gold/ChangeLog

   1 2011-10-17  Cary Coutant  <ccoutant@google.com>
   2
   3         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
   4         task for members of lib groups.
   5
   6 2011-10-17  Cary Coutant  <ccoutant@google.com>
   7
   8         PR gold/13288
   9         * fileread.cc (File_read::find_view): Add assert.
  10         (File_read::make_view): Move bounds check (replace with assert)...
  11         (File_read::find_or_make_view): ... to here.
  12
  13 2011-10-12  Cary Coutant  <ccoutant@google.com>
  14
  15         * output.cc (Output_file::open_base_file): Handle case where
  16         ::read returns less than requested size.
  17
  18 2011-10-10  Cary Coutant  <ccoutant@google.com>
  19
  20         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
  21         Initialize defined_count_.
  22         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
  23         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
  24         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
  25         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
  26         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
  27         * incremental.h (Sized_relobj_incr::defined_count_): New data
  28         member.
  29         (Sized_incr_dynobj::defined_count_): New data member.
  30         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
  31         Return zeroes instead of internal error.
  32
  33 2011-10-10  Cary Coutant  <ccoutant@google.com>
  34
  35         PR gold/13249
  36         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
  37         (Output_reloc::symbol_value): Return PLT offset if flag is set.
  38         * output.h (class Output_reloc): Add use_plt_offset flag.
  39         (Output_reloc::type_): Adjust size of bit field.
  40         (Output_reloc::use_plt_offset_): New bit field.
  41         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
  42         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
  43         flag.  Adjust all callers.
  44         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
  45         creating RELATIVE relocations.
  46
  47 2011-10-10  Nick Clifton  <nickc@redhat.com>
  48
  49         * po/es.po: Updated Spanish translation.
  50         * po/fi.po: Updated Finnish translation.
  51
  52 2011-10-03   Diego Novillo  <dnovillo@google.com>
  53
  54         * options.cc (parse_uint): Fix dereference of RETVAL.
  55
  56 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
  57
  58         * layout.h (section_order_map_): New member.
  59         (get_section_order_map): New member function.
  60         * output.cc (Output_section::add_input_section): Check for patterns
  61         only when --section-ordering-file is specified.
  62         * gold.cc (queue_middle_tasks): Delay updating order of sections till
  63         output_sections have been formed.
  64         * layout.cc (Layout_Layout): Initialize section_order_map_.
  65         * plugin.cc (update_section_order): Store order in order_map. Do not
  66         update the order.
  67         * testsuite/Makefile.am: Add test case for plugin_final_layout.
  68         * testsuite/Makefile.in: Regenerate.
  69         * testsuite/plugin_section_order.c: New file.
  70         * testsuite/plugin_final_layout.cc: New file.
  71         * testsuite/plugin_final_layout.sh: New file.
  72
  73 2011-09-29  Cary Coutant  <ccoutant@google.com>
  74
  75         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
  76         Check for NULL.
  77         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
  78         symbols during incremental update.
  79         (Symbol_table::add_from_dynobj): Likewise.
  80
  81 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  82             Ian Lance Taylor  <iant@google.com>
  83
  84         * symtab.cc (Symbol_table::define_special_symbol): Always
  85         canonicalize version string.
  86
  87 2011-09-26  Cary Coutant  <ccoutant@google.com>
  88
  89         * gold.cc (queue_initial_tasks): Move option checks ...
  90         * options.cc (General_options::finalize): ... to here. Disable
  91         some options; make others fatal.
  92
  93 2011-09-26  Cary Coutant  <ccoutant@google.com>
  94
  95         gcc PR lto/47247
  96         * plugin.cc (get_symbols_v2): New function.
  97         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
  98         (is_referenced_from_outside): New function.
  99         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 100         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 101         (get_symbols): Pass version parameter.
 102         (get_symbols_v2): New function.
 103         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 104         parameter.
 105         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 106         (onload): Add LDPT_GET_SYMBOLS_V2.
 107         (all_symbols_read_hook): Use get_symbols_v2; check for
 108         LDPR_PREVAILING_DEF_IRONLY_EXP.
 109         * testsuite/plugin_test_3.sh: Update expected results.
 110
 111 2011-09-23  Simon Baldwin  <simonb@google.com>
 112
 113         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 114         configuration options.
 115         * configure: Regenerate.
 116         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 117         * Makefile.in: Regenerate.
 118         * testsuite/Makefile.in: Regenerate.
 119
 120 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 121
 122         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 123
 124 2011-09-19  Cary Coutant  <ccoutant@google.com>
 125
 126         * incremental.cc (can_incremental_update): Fix typo in comment.
 127         * incremental.h (can_incremental_update): Likewise.
 128
 129 2011-09-18  Cary Coutant  <ccoutant@google.com>
 130
 131         * incremental.cc (can_incremental_update): New function.
 132         * incremental.h (can_incremental_update): New function.
 133         * layout.cc (Layout::init_fixed_output_section): Call it.
 134         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 135         * object.cc (Sized_relobj_file::do_layout): Call
 136         can_incremental_update.
 137
 138 2011-09-13  Cary Coutant  <ccoutant@google.com>
 139
 140         * configure.ac: Check for glibc support for gnu_indirect_function
 141         support with static linking, setting automake conditional
 142         IFUNC_STATIC.
 143         * Makefile.in: Regenerate.
 144         * configure: Regenerate.
 145
 146         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 147         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 148         for IFUNC_STATIC.
 149         * testsuite/Makefile.in: Regenerate.
 150
 151 2011-09-13  Cary Coutant  <ccoutant@google.com>
 152
 153         * incremental.cc (Sized_relobj_incr::do_layout): Call
 154         report_comdat_group for kept comdat sections.
 155         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 156         * testsuite/Makefile.in: Regenerate.
 157         * testsuite/incr_comdat_test_1.cc: New source file.
 158         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 159         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 160         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 161
 162 2011-09-13  Ian Lance Taylor  <iant@google.com>
 163
 164         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 165         variable external_symbols_offset.
 166
 167 2011-09-12  Ian Lance Taylor  <iant@google.com>
 168
 169         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 170         triggered if object has no symbols.
 171
 172 2011-09-09  David S. Miller  <davem@davemloft.net>
 173
 174         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 175         (Output_fill_debug_line::do_write): Likewise.
 176
 177 2011-08-29  Cary Coutant  <ccoutant@google.com>
 178
 179         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 180         casts to match formatting specs.
 181         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 182
 183 2011-08-26  Cary Coutant  <ccoutant@google.com>
 184
 185         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 186         remaining hole size when allocating.
 187         (Layout::make_output_section): Set fill methods for debug sections.
 188         * layout.h (Free_list::Free_list_node): Move from private to
 189         public.
 190         (Free_list::set_min_hole_size): New function.
 191         (Free_list::begin, Free_list::end): New functions.
 192         (Free_list::min_hole_): New data member.
 193         * output.cc: Include dwarf.h.
 194         (Output_fill_debug_info::do_minimum_hole_size): New function.
 195         (Output_fill_debug_info::do_write): New function.
 196         (Output_fill_debug_line::do_minimum_hole_size): New function.
 197         (Output_fill_debug_line::do_write): New function.
 198         (Output_section::Output_section): Initialize new data member.
 199         (Output_section::set_final_data_size): Ensure patch space is larger
 200         than minimum hole size.
 201         (Output_section::do_write): Fill holes in debug sections.
 202         * output.h (Output_fill): New class.
 203         (Output_fill_debug_info): New class.
 204         (Output_fill_debug_line): New class.
 205         (Output_section::set_free_space_fill): New function.
 206         (Output_section::free_space_fill_): New data member.
 207         * testsuite/Makefile.am (incremental_test_3): Add
 208         --incremental-patch option.
 209         (incremental_test_4): Likewise.
 210         (incremental_test_5): Likewise.
 211         (incremental_test_6): Likewise.
 212         (incremental_copy_test): Likewise.
 213         (incremental_common_test_1): Likewise.
 214         * testsuite/Makefile.in: Regenerate.
 215
 216 2011-08-26  Nick Clifton  <nickc@redhat.com>
 217
 218         * po/es.po: Updated Spanish translation.
 219
 220 2011-08-01  Cary Coutant  <ccoutant@google.com>
 221
 222         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 223         * gold/testsuite/Makefile.in: Regenerate.
 224         * gold/testsuite/justsyms_exec.c: New source file.
 225         * gold/testsuite/justsyms_lib.c: New source file.
 226
 227 2011-08-01  Cary Coutant  <ccoutant@google.com>
 228
 229         * layout.cc (Layout::set_segment_offsets): Don't realign text
 230         segment if -Ttext was specified.
 231         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 232         file type.
 233         * object.h (Sized_relobj_file::e_type): New function.
 234         (Sized_relobj_file::e_type_): New data member.
 235         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 236         base address for ET_EXEC files.
 237         * target.cc (Target::do_make_elf_object_implementation): Allow
 238         ET_EXEC files with --just-symbols option.
 239
 240 2011-07-28  Cary Coutant  <ccoutant@google.com>
 241
 242         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 243         Add thread_number parameter.
 244         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 245         * workqueue-threads.cc
 246         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 247         current thread if its thread number is greater than desired thread
 248         count.
 249         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 250         Add thread_number parameter.
 251         (Workqueue::should_cancel_thread): Likewise.
 252         (Workqueue::find_runnable_or_wait): Pass thread_number to
 253         should_cancel_thread.
 254         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 255         parameter.
 256
 257 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 258
 259         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 260         only after checking if it cannot be forced local.
 261         * symtab.h (is_externally_visible): Check if the symbol is not forced
 262         local.
 263
 264 2011-07-15  Ian Lance Taylor  <iant@google.com>
 265
 266         * options.h (class General_options): Add --print-output-format.
 267         Move -EL next to -EB, for  better --help output.
 268         * target-select.cc: Include <cstdio>, "options.h", and
 269         "parameters.h".
 270         (Target_selector::do_target_bfd_name): New function.
 271         (print_output_format): New function.
 272         * target-select.h (class Target_selector): Update declarations.
 273         (Target_selector::target_bfd_name): New function.
 274         (print_output_format): Declare.
 275         * main.cc: Include "target-select.h".
 276         (main): Handle --print-output-format.
 277         * gold.cc: Include "target-select.h".
 278         (queue_initial_tasks): Handle --print-output-format when there are
 279         no input files.
 280         * parameters.cc (parameters_force_valid_target): Give a better
 281         error message if -EB/-EL does not match target.
 282         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 283         function.
 284
 285 2011-07-15  Ian Lance Taylor  <iant@google.com>
 286
 287         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 288         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 289         (Output_data_plt_i386::do_write): Write address of .dynamic
 290         section to first entry in .got.plt section.
 291         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 292         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 293         Initialize layout_.
 294         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 295         section to first entry in .got.plt section.
 296         * layout.h (Layout::dynamic_section): New function.
 297
 298 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 299
 300         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 301         to claim_file call.
 302         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 303         input_section_position_, and input_section_glob_.
 304         (read_layout_from_file): Call function section_ordering_specified.
 305         * layout.h (is_section_ordering_specified): New function.
 306         (section_ordering_specified): New function.
 307         (section_ordering_specified_): New boolean member.
 308         * main.cc(main): Call load_plugins after layout object is defined.
 309         * output.cc (Output_section::add_input_section): Use
 310         function section_ordering_specified to check if section ordering is
 311         needed.
 312         * output.cc (Output_section::add_relaxed_input_section): Use
 313         function section_ordering_specified to check if section ordering is
 314         needed.
 315         (Output_section::update_section_layout): New function.
 316         (Output_section::sort_attached_input_sections): Check if input section
 317         must be reordered.
 318         * output.h (Output_section::update_section_layout): New function.
 319         * plugin.cc (get_section_count): New function.
 320         (get_section_type): New function.
 321         (get_section_name): New function.
 322         (get_section_contents): New function.
 323         (update_section_order): New function.
 324         (allow_section_ordering): New function.
 325         (Plugin::load): Add the new interfaces to the transfer vector.
 326         (Plugin_manager::load_plugins): New parameter.
 327         (Plugin_manager::all_symbols_read): New parameter.
 328         (Plugin_manager::claim_file): New parameter. Save the elf object for
 329         unclaimed objects.
 330         (Plugin_manager::get_elf_object): New function.
 331         (Plugin_manager::get_view): Change to directly use the bool to check
 332         if get_view is called from claim_file_hook.
 333         * plugin.h (input_objects): New function
 334         (Plugin__manager::load_plugins): New parameter.
 335         (Plugin_manager::claim_file): New parameter.
 336         (Plugin_manager::get_elf_object): New function.
 337         (Plugin_manager::in_claim_file_handler): New function.
 338         (Plugin_manager::in_claim_file_handler_): New member.
 339         (layout): New function.
 340         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 341         handler with an extra parameter. Make the elf object before calling
 342         claim_file handler.
 343         * testsuite/plugin_test.c (get_section_count): New function pointer.
 344         (get_section_type): New function pointer.
 345         (get_section_name): New function pointer.
 346         (get_section_contents): New function pointer.
 347         (update_section_order): New function pointer.
 348         (allow_section_ordering): New function pointer.
 349         (onload): Check if the new interfaces exist.
 350
 351 2011-07-13  Ian Lance Taylor  <iant@google.com>
 352
 353         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 354         relro section.
 355         * x86_64.cc (Target_x86_64::got_section): Likewise.
 356         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 357         (relro_now_test_SOURCES): New variable.
 358         (relro_now_test_DEPENDENCIES): New variable.
 359         (relro_now_test_LDFLAGS): New variable.
 360         (relro_now_test_LDADD): New variable.
 361         (relro_now_test.so): New target.
 362         * testsuite/Makefile.in: Rebuild.
 363
 364 2011-07-12  Ian Lance Taylor  <iant@google.com>
 365
 366         PR gold/12980
 367         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 368         GLOB_DAT relocation rather than a RELATIVE relocation for a
 369         protected symbol when creating a shared library.
 370         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 371         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 372         * testsuite/protected_main_1.cc (main): Test that protected
 373         function has same address.
 374
 375 2011-07-11  Ian Lance Taylor  <iant@google.com>
 376
 377         PR gold/12979
 378         * options.h (class General_options): Add -Bgroup.
 379         * options.cc (General_options::finalize): If -Bgroup is set,
 380         default to --unresolved-symbols=report-all.
 381         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 382         * target-reloc.h (issue_undefined_symbol_error): Handle
 383         --unresolved-symbols=report-all.
 384
 385 2011-07-08  Ian Lance Taylor  <iant@google.com>
 386
 387         PR gold/11985
 388         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 389         if linker script discards key sections.
 390         (Layout::create_dynamic_symtab): Likewise.
 391         (Layout::assign_local_dynsym_offsets): Likewise.
 392         (Layout::sized_create_version_sections): Likewise.
 393         (Layout::create_interp): Likewise.
 394         (Layout::finish_dynamic_section): Likewise.
 395         (Layout::set_dynamic_symbol_size): Likewise.
 396
 397 2011-07-08  Ian Lance Taylor  <iant@google.com>
 398
 399         PR gold/12386
 400         * options.h (class General_options): Add --unresolved-symbols.
 401         * target-reloc.h (issue_undefined_symbol_error): Check
 402         --unresolved-symbols.  Add comments.
 403
 404 2011-07-08  Ian Lance Taylor  <iant@google.com>
 405
 406         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 407         expression more complex.
 408
 409 2011-07-08  Ian Lance Taylor  <iant@google.com>
 410
 411         PR gold/11317
 412         * target-reloc.h (issue_undefined_symbol_error): New inline
 413         function, broken out of relocate_section.
 414         (relocate_section): Call issue_undefined_symbol_error.
 415         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 416         there is no TLS segment if we are about to issue an undefined
 417         symbol error.
 418         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 419
 420 2011-07-08  Ian Lance Taylor  <iant@google.com>
 421
 422         PR gold/12279
 423         * resolve.cc (Symbol_table::should_override): Add fromtype
 424         parameter.  Change all callers.  Give error when linking together
 425         TLS and non-TLS symbol.
 426         (Symbol_table::should_override_with_special): Add fromtype
 427         parameter.  Change all callers.
 428         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 429         there is no TLS segment if we have reported some errors.
 430         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 431
 432 2011-07-08  Ian Lance Taylor  <iant@google.com>
 433
 434         PR gold/12372
 435         * target.h (Target::plt_address_for_global): New function.
 436         (Target::plt_address_for_local): New function.
 437         (Target::plt_section_for_global): Remove.
 438         (Target::plt_section_for_local): Remove.
 439         (Target::do_plt_address_for_global): New virtual function.
 440         (Target::do_plt_address_for_local): New virtual function.
 441         (Target::do_plt_section_for_global): Remove.
 442         (Target::do_plt_section_for_local): Remove.
 443         (Target::register_global_plt_entry): Add Symbol_table and Layout
 444         parameters.
 445         * output.cc (Output_data_got::Got_entry::write): Use
 446         plt_address_for_global and plt_address_for_local.
 447         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 448         address of output section.
 449         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 450         got_irelative_, and irelative_count_ fields.  Update
 451         declarations.
 452         (Output_data_plt_i386::has_irelative_section): New function.
 453         (Output_data_plt_i386::entry_count): Add irelative_count_.
 454         (Output_data_plt_i386::set_final_data_size): Likewise.
 455         (class Target_i386): Add got_irelative_ and rel_irelative_
 456         fields.  Update declarations.
 457         (Target_i386::Target_i386): Initialize new fields.
 458         (Target_i386::do_plt_address_for_global): New function replacing
 459         do_plt_section_for_global.
 460         (Target_i386::do_plt_address_for_local): New function replacing
 461         do_plt_section_for_local.
 462         (Target_i386::got_section): Create got_irelative_.
 463         (Target_i386::rel_irelative_section): New function.
 464         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 465         fields.  Don't define __rel_iplt_{start,end}.
 466         (Output_data_plt_i386::add_entry): Add symtab and layout
 467         parameters.  Change all callers.  Use different PLT and GOT for
 468         IFUNC symbols.
 469         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 470         layout parameters.  Change all callers.  Use different PLT and
 471         GOT.
 472         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 473         (Output_data_plt_i386::rel_irelative): New function.
 474         (Output_data_plt_i386::address_for_global): New function.
 475         (Output_data_plt_i386::address_for_local): New function.
 476         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 477         IRELATIVE GOT when changing IFUNC GOT entries.
 478         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 479         reloc.
 480         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 481         if we didn't create an IRELATIVE GOT.
 482         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 483         plt_address_for_local.
 484         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 485         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 486         got_irelative_, and irelative_count_ fields.  Update
 487         declarations.
 488         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 489         Initialize new fields.  Remove symtab parameter.  Change all
 490         callers.
 491         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 492         irelative_count_.
 493         (Output_data_plt_x86_64::has_irelative_section): New function.
 494         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 495         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 496         fields.  Update declarations.
 497         (Target_x86_64::Target_x86_64): Initialize new fields.
 498         (Target_x86_64::do_plt_address_for_global): New function replacing
 499         do_plt_section_for_global.
 500         (Target_x86_64::do_plt_address_for_local): New function replacing
 501         do_plt_section_for_local.
 502         (Target_x86_64::got_section): Create got_irelative_.
 503         (Target_x86_64::rela_irelative_section): New function.
 504         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 505         all callers.  Don't create __rel_iplt_{start,end}.
 506         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 507         parameters.  Change all callers.  Use different PLT and GOT for
 508         IFUNC symbols.
 509         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 510         layout parameters.  Change all callers.  Use different PLT and
 511         GOT.
 512         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 513         parameters.  Change all callers.  Use different PLT and GOT for
 514         IFUNC symbols.
 515         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 516         (Output_data_plt_x86_64::rela_irelative): New function.
 517         (Output_data_plt_x86_64::address_for_global): New function.
 518         (Output_data_plt_x86_64::address_for_local): New function.
 519         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 520         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 521         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 522         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 523         parameters.
 524         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 525         reloc.
 526         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 527         symbols if we didn't create an IRELATIVE GOT.
 528         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 529         plt_address_for_local.
 530         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 531         * testsuite/ifuncvar1.c: New test file.
 532         * testsuite/ifuncvar2.c: New test file.
 533         * testsuite/ifuncvar3.c: New test file.
 534         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 535         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 536         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 537         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 538         * testsuite/Makefile.in: Rebuild.
 539
 540 2011-07-07  Cary Coutant  <ccoutant@google.com>
 541
 542         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 543         (two_file_test_1_ndebug.o): Likewise.
 544         (two_file_test_1b_ndebug.o): Likewise.
 545         (two_file_test_2_ndebug.o): Likewise.
 546         (two_file_test_main_ndebug.o): Likewise.
 547         (incremental_test_2): Link with no-debug versions.
 548
 549 2011-07-06  Cary Coutant  <ccoutant@google.com>
 550
 551         * gold/incremental.cc
 552         (Output_section_incremental_inputs::write_info_blocks): Check for
 553         hidden and internal symbols.
 554
 555 2011-07-06  Cary Coutant  <ccoutant@google.com>
 556
 557         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 558         Check disposition for startup file.
 559         (Incremental_inputs::report_command_line): Ignore
 560         --incremental-startup-unchanged option.
 561         * options.cc (General_options::parse_incremental_startup_unchanged):
 562         New function.
 563         (General_options::General_options): Initialize new data member.
 564         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 565         (General_options): Add --incremental-startup-unchanged option.
 566         (General_options::incremental_startup_disposition): New function.
 567         (General_options::incremental_startup_disposition_): New data member.
 568
 569 2011-07-06  Cary Coutant  <ccoutant@google.com>
 570
 571         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 572         input file index to Script_info ctor.
 573         (Sized_incremental_binary::do_file_has_changed): Find the
 574         command-line argument for files named in scripts.
 575         * incremental.h (Script_info::Script_info): New ctor
 576         with input file index.
 577         (Script_info::input_file_index): New function.
 578         (Script_info::input_file_index_): New data member.
 579         (Incremental_binary::get_library): Add const.
 580         (Incremental_binary::get_script_info): Add const.
 581         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 582         * testsuite/Makefile.am (incremental_test_5): New test case.
 583         (incremental_test_6): New test case.
 584         * testsuite/Makefile.in: Regenerate.
 585
 586 2011-07-06  Cary Coutant  <ccoutant@google.com>
 587
 588         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 589         debug output when command lines differ.
 590
 591 2011-07-06  Cary Coutant  <ccoutant@google.com>
 592
 593         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 594         --incremental-patch option.
 595         * layout.cc (Free_list::allocate): Extend allocation beyond original
 596         end if enabled.
 597         (Layout::make_output_section): Mark sections that should get
 598         patch space.
 599         * options.cc (parse_percent): New function.
 600         * options.h (parse_percent): New function.
 601         (DEFINE_percent): New macro.
 602         (General_options): Add --incremental-patch option.
 603         * output.cc (Output_section::Output_section): Initialize new data
 604         members.
 605         (Output_section::add_input_section): Print section name when out
 606         of patch space.
 607         (Output_section::add_output_section_data): Likewise.
 608         (Output_section::set_final_data_size): Add patch space when
 609         doing --incremental-full.
 610         (Output_section::do_reset_address_and_file_offset): Remove patch
 611         space.
 612         (Output_segment::set_section_list_addresses): Print debug output
 613         only if --incremental-update.
 614         * output.h (Output_section::set_is_patch_space_allowed): New function.
 615         (Output_section::is_patch_space_allowed_): New data member.
 616         (Output_section::patch_space_): New data member.
 617         * parameters.cc (Parameters::incremental_full): New function.
 618         * parameters.h (Parameters::incremental_full): New function
 619         * testsuite/Makefile.am (incremental_test_2): Add test for
 620         --incremental-patch option.
 621         * testsuite/Makefile.in: Regenerate.
 622         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 623         (t18): Remove function body.
 624
 625 2011-07-05  Doug Kwan  <dougkwan@google.com>
 626
 627         PR gold/12771
 628         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 629         Arm_Address type for relocation result.
 630         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 631         overflow check.
 632         (Arm_relocate_functions::abs32): Use unaligned access.
 633         (Arm_relocate_functions::rel32): Ditto.
 634         (Arm_relocate_functions::prel31): Ditto.
 635         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 636         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 637         static data relocations.
 638         * testsuite/Makefile.in: Regnerate.
 639         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 640
 641 2011-07-05  Ian Lance Taylor  <iant@google.com>
 642
 643         PR gold/12392
 644         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 645         symbols if necessary.
 646         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 647
 648 2011-07-05  Ian Lance Taylor  <iant@google.com>
 649
 650         PR gold/12952
 651         * resolve.cc (Symbol::override_base_with_special): Simply override
 652         version with special symbol version, ignoring previous version.
 653
 654 2011-07-05  Ian Lance Taylor  <iant@google.com>
 655
 656         * object.cc (Sized_relobj_file::include_section_group): Add
 657         information to comment about signature location.
 658
 659 2011-07-02  Ian Lance Taylor  <iant@google.com>
 660
 661         PR gold/12957
 662         * options.h (class General_options): Add -f and -F.
 663         * options.cc (General_options::finalize): Fatal error if -f/-F
 664         are used without -shared.
 665         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 666
 667 2011-07-02  Ian Lance Taylor  <iant@google.com>
 668
 669         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 670
 671 2011-07-01  Ian Lance Taylor  <iant@google.com>
 672
 673         PR gold/12525
 674         PR gold/12952
 675         * resolve.cc (Symbol::override_base_with_special): Don't override
 676         the version if the overriding symbol has a different name.
 677         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 678         all callers.  If we give an error about an undefined version,
 679         define the base version if necessary.
 680         * dynobj.h (class Versions): Update declaration.
 681         * testsuite/weak_alias_test_5.cc: New file.
 682         * testsuite/weak_alias_test.script: New file.
 683         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 684         and versioned_alias have the right value, and call t2.
 685         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 686         weak_alias_test_5.so.
 687         (weak_alias_test_LDADD): Likewise.
 688         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 689         * testsuite/Makefile.in: Rebuild.
 690
 691 2011-07-01  Ian Lance Taylor  <iant@google.com>
 692
 693         PR gold/12525
 694         * options.h (class General_options): Support -z notext.
 695         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 696         -Wl,-z,notext.
 697         (two_file_shared_nonpic.so): Likewise.
 698         (two_file_shared_mixed.so): Likewise.
 699         (two_file_shared_mixed_1.so): Likewise.
 700         (weak_undef_lib_nonpic.so): Likewise.
 701         (alt/weak_undef_lib_nonpic.so): Likewise.
 702         (tls_test_shared_nonpic.so): Likewise.
 703         * testsuite/Makefile.in: Rebuild.
 704
 705 2011-07-01  Ian Lance Taylor  <iant@google.com>
 706
 707         PR gold/12525
 708         * configure.ac: Test whether static linking works, setting
 709         the automake conditional HAVE_STATIC.
 710         * testsuite/Makefile.am: Disable tests using -static if
 711         HAVE_STATIC is not true.
 712         * configure, testsuite/Makefile.in: Rebuild.
 713
 714 2011-07-01  Ian Lance Taylor  <iant@google.com>
 715
 716         PR gold/12525
 717         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 718         Assert if we see DW_EH_PE_indirect.
 719         * target.h (Target::ehframe_datarel_base): New function.
 720         (Target::do_ehframe_datarel_base): New target function.
 721         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 722         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 723         function.
 724
 725 2011-07-01  Ian Lance Taylor  <iant@google.com>
 726
 727         PR gold/12571
 728         * options.h (class General_options): Add
 729         --ld-generated-unwind-info.
 730         * ehframe.cc (Fde::write): Add address parameter.  Change all
 731         callers.  If associated with PLT, fill in address and size.
 732         (Cie::set_output_offset): Only add merge mapping if there is an
 733         object.
 734         (Cie::write): Add address parameter.  Change all callers.
 735         (Eh_frame::add_ehframe_for_plt): New function.
 736         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 737         input_offset_ fields into union u_, with new plt field.
 738         (Fde::Fde): Adjust for new union field.
 739         (Fde::Fde) [Output_data version]: New constructor.
 740         (Fde::add_mapping): Only add merge mapping if there is an object.
 741         (class Cie): Update declarations.
 742         (class Eh_frame): Declare add_ehframe_for_plt.
 743         * layout.cc (Layout::layout_eh_frame): Break out code into
 744         make_eh_frame_section, and call it.
 745         (Layout::make_eh_frame_section): New function.
 746         (Layout::add_eh_frame_for_plt): New function.
 747         * layout.h (class Layout): Update declarations.
 748         * merge.cc (Merge_map::add_mapping): Add assertion.
 749         * i386.cc: Include "dwarf.h".
 750         (class Output_data_plt_i386): Make first_plt_entry,
 751         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 752         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 753         and plt_eh_frame_fde.
 754         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 755         boundary.  Call add_eh_frame_for_plt if appropriate.
 756         * x86_64.cc: Include "dwarf.h".
 757         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 758         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 759         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 760         and plt_eh_frame_fde.
 761         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 762         appropriate.
 763
 764 2011-06-29  Ian Lance Taylor  <iant@google.com>
 765
 766         PR gold/12629
 767         * object.cc (Sized_relobj_file::layout_section): Change shdr
 768         parameter to be const.
 769         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 770         out of do_layout.
 771         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 772         appropriate.  Call layout_eh_frame_section.
 773         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 774         sections.
 775         * object.h (class Sized_relobj_file): Update declarations.
 776
 777 2011-06-29  Ian Lance Taylor  <iant@google.com>
 778
 779         PR gold/12652
 780         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 781         modifier.
 782         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 783
 784 2011-06-29  Ian Lance Taylor  <iant@google.com>
 785
 786         PR gold/12675
 787         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 788         SHT_X86_64_UNWIND.
 789         * layout.cc (Layout::layout_eh_frame): Likewise.
 790
 791 2011-06-29  Ian Lance Taylor  <iant@google.com>
 792
 793         PR gold/12695
 794         * layout.cc (Layout::symtab_section_shndx): New function.
 795         * layout.h (class Layout): Declare symtab_section_shndx.
 796         * output.cc (Output_section::write_header): Call it.
 797
 798 2011-06-29  Ian Lance Taylor  <iant@google.com>
 799
 800         PR gold/12818
 801         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 802         symbols which are not used in a relocation.
 803
 804 2011-06-28  Ian Lance Taylor  <iant@google.com>
 805
 806         PR gold/12898
 807         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 808         script create indistinguishable segments.
 809         (Layout::set_segment_offsets): Use stable_sort when sorting
 810         segments.  Pass this to Compare_segments constructor.
 811         * layout.h (class Layout): Make segment_precedes non-static.
 812         (class Compare_segments): Change from struct to class.  Add
 813         layout_ field.  Add constructor.
 814         * script-sections.cc
 815         (Script_sections::attach_sections_using_phdrs_clause): Rename
 816         local orphan to is_orphan.  Don't report failure to put empty
 817         section in segment.  On attachment failure, report name of
 818         section, and attach to first PT_LOAD segment.
 819
 820 2011-06-28  Ian Lance Taylor  <iant@google.com>
 821
 822         PR gold/12934
 823         * target-select.cc (Target_selector::Target_selector): Add
 824         emulation parameter.  Change all callers.
 825         (select_target_by_bfd_name): Rename from select_target_by_name.
 826         Change all callers.
 827         (select_target_by_emulation): New function.
 828         (supported_emulation_names): New function.
 829         * target-select.h (class Target_selector): Add emulation_ field.
 830         Update declarations.
 831         (Target_selector::recognize_by_bfd_name): Rename from
 832         recognize_by_name.  Change all callers.
 833         (Target_selector::supported_bfd_names): Rename from
 834         supported_names.  Change all callers.
 835         (Target_selector::recognize_by_emulation): New function.
 836         (Target_selector::supported_emulations): New function.
 837         (Target_selector::emulation): New function.
 838         (Target_selector::do_recognize_by_bfd_name): Rename from
 839         do_recognize_by_name.  Change all callers.
 840         (Target_selector::do_supported_bfd_names): Rename from
 841         do_supported_names.  Change all callers.
 842         (Target_selector::do_recognize_by_emulation): New function.
 843         (Target_selector::do_supported_emulations): New function.
 844         (select_target_by_bfd_name): Change name in declaration.
 845         (select_target_by_emulation): Declare.
 846         (supported_emulation_names): Declare.
 847         * parameters.cc (parameters_force_valid_target): Try to find
 848         target based on emulation from -m option.
 849         * options.h (class General_options): Change doc string for -m.
 850         * options.cc (help): Print emulations.
 851         (General_options::parse_V): Likewise.
 852         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 853         Add emulation parameter.  Change all callers.
 854
 855 2011-06-28  Ian Lance Taylor  <iant@google.com>
 856
 857         * target.h (class Target): Add osabi_ field.
 858         (Target::osabi): New function.
 859         (Target::set_osabi): New function.
 860         (Target::Target): Initialize osabi_.
 861         (Target::do_adjust_elf_header): Make pure virtual.
 862         (Sized_target::do_adjust_elf_header): Declare.
 863         * target.cc (Sized_target::do_adjust_elf_header): New function.
 864         (class Sized_target): Instantiate all versions.
 865         * freebsd.h (class Target_freebsd): Remove.
 866         (Target_selector_freebsd::do_recognize): Call set_osabi on
 867         Target.
 868         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 869         (Target_selector_freebsd::set_osabi): Remove.
 870         * i386.cc (class Target_i386): Inherit from Sized_target rather
 871         than Target_freebsd.
 872         * x86_64.cc (class Target_x86_64): Likewise.
 873
 874 2011-06-28  Ian Lance Taylor  <iant@google.com>
 875
 876         * target.h (Target::can_check_for_function_pointers): Rewrite.
 877         Make non-virtual.
 878         (Target::can_icf_inline_merge_sections): Likewise.
 879         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 880         (Target::Target_info): Add can_icf_inline_merge_sections field.
 881         (Target::do_can_check_for_function_pointers): New virtual
 882         function.
 883         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 884         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 885         from can_check_for_function_pointers, move in file.
 886         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 887         section_may_have_icf_unsafe_poineters, move in file.
 888         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 889         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 890         Rename from can_check_for_function_pointers, move in file.
 891         (Target_i386::can_icf_inline_merge_sections): Remove.
 892         (Target_i386::i386_info): Initialize
 893         can_icf_inline_merge_sections.
 894         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 895         Initialize can_icf_inline_merge_sections.
 896         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 897         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 898         Rename from can_check_for_function_pointers, move in file.
 899         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 900         (Target_x86_64::x86_64_info): Initialize
 901         can_icf_inline_merge_sections.
 902         * testsuite/testfile.cc (Target_test::test_target_info):
 903         Likewise.
 904         * icf.cc (get_section_contents): Correct formatting.
 905
 906 2011-06-27  Ian Lance Taylor  <iant@google.com>
 907
 908         * symtab.cc (Symbol::versioned_name): New function.
 909         (Symbol_table::add_to_final_symtab): Use versioned_name when
 910         appropriate.
 911         (Symbol_table::sized_write_symbol): Likewise.
 912         * symtab.h (class Symbol): Declare versioned_name.
 913         * stringpool.h (class Stringpool_template): Add variant of add
 914         which takes a std::basic_string.
 915         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 916         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 917         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 918         (ver_test_12.o): New target.
 919         * testsuite/Makefile.in: Rebuild.
 920
 921 2011-06-27  Doug Kwan  <dougkwan@google.com>
 922
 923         * arm.cc (Arm_relocate_functions::thm_jump8,
 924         Arm_relocate_functions::thm_jump11): Use a wider signed
 925         type to compute offset.
 926         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 927         arm_thm_jump8.
 928         * testsuite/Makefile.in: Regenerate.
 929         * testsuite/arm_branch_in_range.sh: Check test results of
 930         arm_thm_jump11 and arm_thm_jump8.
 931         * testsuite/arm_thm_jump11.s: New test source file.
 932         * testsuite/arm_thm_jump11.t: New linker script.
 933         * testsuite/arm_thm_jump8.s: New test source file.
 934         * testsuite/arm_thm_jump8.t: New linker script.
 935
 936 2011-06-24  Ian Lance Taylor  <iant@google.com>
 937
 938         * layout.cc: Include "object.h".
 939         (ctors_sections_in_init_array): New static variable.
 940         (Layout::is_ctors_in_init_array): New function.
 941         (Layout::layout): Add entry to ctors_sections_in_init_array if
 942         appropriate.
 943         * layout.h (class Layout): Declare is_ctors_in_init_array.
 944         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 945         is_ctors_reverse_view is set.
 946         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 947         all callers.  Set is_ctors_reverse_view field of View_size.
 948         (Sized_relobj_file::reverse_words): New function.
 949         * object.h (Sized_relobj_file::View_size): Add
 950         is_ctors_reverse_view field.
 951         (class Sized_relobj_file): Update declarations.
 952         * testsuite/initpri3.c: New test.
 953         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 954         initpri3b.
 955         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 956         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 957         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 958         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 959         * testsuite/Makefile.in: Rebuild.
 960
 961 2011-06-24  Cary Coutant  <ccoutant@google.com>
 962
 963         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 964         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 965         (debug_msg_cdebug.err): New targets.
 966         * testsuite/Makefile.in: Regenerate.
 967         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 968         Fix checks for link with shared library.
 969
 970 2011-06-24  Doug Kwan  <dougkwan@google.com>
 971
 972         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 973         skip empty text sections.
 974         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 975
 976 2011-06-22  Ian Lance Taylor  <iant@google.com>
 977
 978         PR gold/12910
 979         * options.h (class General_options): Add --ctors-in-init-array.
 980         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 981         friends as SHT_PROGBITS for merging sections.
 982         (Layout::layout): Remove special handling of .init_array and
 983         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 984         and .dtors if ctors_in_init_array.
 985         (Layout::make_output_section): Force correct section types for
 986         .init_array and friends.  Don't sort if doing relocatable link,
 987         Don't sort .ctors and .dtors if ctors_in_init_array.
 988         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 989         (Layout::output_section_name): Add relobj parameter.  Change all
 990         callers.  Handle .ctors. and .dtors. in code rather than table.
 991         Handle .ctors and .dtors if ctors_in_init_array.
 992         (Layout::match_file_name): New function, moved from output.cc.
 993         * layout.h (class Layout): Update declarations.
 994         * output.cc: Include "layout.h".
 995         (Input_section_sort_entry::get_priority): New function.
 996         (Input_section_sort_entry::match_file_name): Just call
 997         Layout::match_file_name.
 998         (Output_section::Input_section_sort_init_fini_compare::operator()):
 999         Handle .ctors and .dtors.  Sort by explicit priority rather than
1000         by name.
1001         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1002         * testsuite/initpri2.c: New test.
1003         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1004         (check_PROGRAMS): Add initpri2.
1005         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1006         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1007         * configure, testsuite/Makefile.in: Rebuild.
1008
1009 2011-06-19  Ian Lance Taylor  <iant@google.com>
1010
1011         PR gold/12880
1012         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1013         .interp section to a PT_INTERP segment even if we have seen a
1014         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1015         clause in a linker script.
1016         (Layout::finalize): Don't create a .interp section if we've
1017         already create a PT_INTERP segment.
1018         (Layout::create_interp): Always call choose_output_section (revert
1019         patch of 2011-06-17).  Don't create PT_INTERP segment.
1020         * script-sections.cc
1021         (Script_sections::create_note_and_tls_segments): Add a .interp
1022         section to a PT_INTERP segment even if we have seen a
1023         --dynamic-linker option.
1024
1025 2011-06-18  Ian Lance Taylor  <iant@google.com>
1026
1027         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1028         merely because a non-PT_LOAD segment has a dynamic reloc.
1029
1030 2011-06-18  Ian Lance Taylor  <iant@google.com>
1031
1032         * layout.cc (Layout::finish_dynamic_section): Don't create
1033         DT_FLAGS entry if not needed.
1034
1035 2011-06-18  Ian Lance Taylor  <iant@google.com>
1036
1037         PR gold/12745
1038         * layout.cc (Layout::layout_eh_frame): Correct handling of
1039         writable .eh_frame section.
1040
1041 2011-06-17  Ian Lance Taylor  <iant@google.com>
1042
1043         PR gold/12893
1044         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1045         symbol is redefined with the exact same object and value.
1046
1047 2011-06-17  Ian Lance Taylor  <iant@google.com>
1048
1049         PR gold/12880
1050         * layout.h (class Layout): Add interp_segment_ field.
1051         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1052         (Layout::attach_allocated_section_to_segment): If making shared
1053         library, put .interp section in PT_INTERP segment.
1054         (Layout::finalize): Also call create_interp if -dynamic-linker
1055         option was used.
1056         (Layout::create_interp): Assert that there is no PT_INTERP
1057         segment.  If not using a SECTIONS clause, use make_output_section.
1058         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1059         * script-sections.cc
1060         (Script_sections::create_note_and_tls_segments): If making shared
1061         library, put .interp section in PT_INTERP segment.
1062
1063 2011-06-17  Ian Lance Taylor  <iant@google.com>
1064
1065         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1066         when making a shared library.
1067
1068 2011-06-17  Ian Lance Taylor  <iant@google.com>
1069
1070         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1071         parameter.  Change all callers.  Don't issue warning about PC32
1072         against locally defined symbol.
1073
1074 2011-06-16  Ian Lance Taylor  <iant@google.com>
1075
1076         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1077         occurs in same object.
1078
1079 2011-06-14  Alan Modra  <amodra@gmail.com>
1080
1081         * po/POTFILES.in: Regenerate.
1082
1083 2011-06-09  Ian Lance Taylor  <iant@google.com>
1084
1085         * script-sections.cc
1086         (Orphan_output_section::set_section_addresses): For a relocatable
1087         link set address to 0.
1088
1089 2011-06-09  Cary Coutant  <ccoutant@google.com>
1090
1091         PR gold/12804
1092         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1093         used with --compress-debug-sections.
1094         * gold/object.cc (Sized_relobj_file::do_layout): Report
1095         uncompressed size of compressed input sections.
1096
1097 2011-06-08  Cary Coutant  <ccoutant@google.com>
1098
1099         PR gold/12804
1100         * testsuite/two_file_test_2_v1.cc: Change initialization of
1101         v2 to keep it in .data.
1102
1103 2011-06-07  Cary Coutant  <ccoutant@google.com>
1104
1105         * common.cc (Symbol_table::do_allocate_commons_list): Call
1106         gold_fallback.
1107         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1108         (Errors::fallback): New function.
1109         (gold_fallback): New function.
1110         * errors.h (Errors::fallback): New function.
1111         * gold.cc (gold_exit): Change status parameter to enum; adjust
1112         all callers.
1113         (queue_initial_tasks): Call gold_fallback.
1114         * gold.h: Include cstdlib.
1115         (Exit_status): New enum type.
1116         (gold_exit): Change status parameter to enum.
1117         (gold_fallback): New function.
1118         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1119         (Layout::create_symtab_sections): Likewise.
1120         (Layout::create_shdrs): Likewise.
1121         * main.cc (main): Adjust call to gold_exit.
1122         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1123         (Output_data_got::add_got_entry_pair): Likewise.
1124         (Output_section::add_input_section): Likewise.
1125         (Output_section::add_output_section_data): Likewise.
1126         (Output_segment::set_section_list_addresses): Likewise.
1127         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1128
1129 2011-06-07  Cary Coutant  <ccoutant@google.com>
1130
1131         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1132         for incremental links.
1133         * output.cc (Output_segment::set_section_list_addresses): Remove
1134         FIXME and test for TLS or BSS.
1135
1136 2011-06-07  Cary Coutant  <ccoutant@google.com>
1137
1138         * testsuite/Makefile.am: Add incremental_copy_test,
1139         incremental_common_test_1.
1140         * testsuite/Makefile.in: Regenerate.
1141         * testsuite/common_test_1_v1.c: New source file.
1142         * testsuite/common_test_1_v2.c: New source file.
1143         * testsuite/copy_test_v1.cc: New source file.
1144
1145 2011-06-07  Cary Coutant  <ccoutant@google.com>
1146
1147         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1148         update, allocate common from bss section's free list.
1149         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1150         linker-defined symbols.
1151         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1152         Skip GOT and PLT entries that are no longer referenced.
1153         (Output_section_incremental_inputs::write_info_blocks): Mark
1154         linker-defined symbols.
1155         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1156         * output.cc (Output_section::allocate): New function.
1157         * output.h (Output_section::allocate): New function.
1158         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1159         linker-defined symbols.
1160         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1161         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1162         (Symbol::init_base_output_data): Likewise.
1163         (Symbol::init_base_output_segment): Likewise.
1164         (Symbol::init_base_constant): Likewise.
1165         (Sized_symbol::init_output_data): Likewise.
1166         (Sized_symbol::init_output_segment): Likewise.
1167         (Sized_symbol::init_constant): Likewise.
1168         (Symbol_table::do_define_in_output_data): Likewise.
1169         (Symbol_table::do_define_in_output_segment): Likewise.
1170         (Symbol_table::do_define_as_constant): Likewise.
1171         * symtab.h (Symbol::is_predefined): New function.
1172         (Symbol::init_base_output_data): Add is_predefined parameter.
1173         (Symbol::init_base_output_segment): Likewise.
1174         (Symbol::init_base_constant): Likewise.
1175         (Symbol::is_predefined_): New data member.
1176         (Sized_symbol::init_output_data): Add is_predefined parameter.
1177         (Sized_symbol::init_output_segment): Likewise.
1178         (Sized_symbol::init_constant): Likewise.
1179         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1180
1181 2011-06-07  Cary Coutant  <ccoutant@google.com>
1182
1183         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1184         instead of emit_copy_reloc.
1185         (Copy_relocs::emit_copy_reloc): Refactor.
1186         (Copy_relocs::make_copy_reloc): New function.
1187         (Copy_relocs::add_copy_reloc): Remove.
1188         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1189         section.
1190         (Copy_relocs::make_copy_reloc): New function.
1191         (Copy_relocs::add_copy_reloc): Remove.
1192         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1193         unchanged input files.
1194         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1195         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1196         Reserve BSS space for COPY relocations.
1197         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1198         (Output_section_incremental_inputs::write_info_blocks): Record
1199         whether a symbol is copied from a shared object.
1200         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1201         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1202         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1203         (Incremental_input_entry_reader::get_output_symbol_index): Add
1204         is_copy parameter.
1205         (Incremental_binary::emit_copy_relocs): New function.
1206         (Incremental_binary::do_emit_copy_relocs): New function.
1207         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1208         new data member.
1209         (Sized_incremental_binary::add_copy_reloc): New function.
1210         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1211         (Sized_incremental_binary::Copy_reloc): New struct.
1212         (Sized_incremental_binary::Copy_relocs): New typedef.
1213         (Sized_incremental_binary::copy_relocs_): New data member.
1214         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1215         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1216         * target.h (Sized_target::emit_copy_reloc): New function.
1217         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1218
1219 2011-06-02  Cary Coutant  <ccoutant@google.com>
1220
1221         PR gold/12163
1222         * gold/archive.cc (Archive::Archive): Initialize new data member.
1223         (Archive::include_all_members): Return if archive has already been
1224         included.
1225         * gold/archive.h (Archive::include_all_members_): New data member.
1226
1227 2011-06-02  Nick Clifton  <nickc@redhat.com>
1228
1229         * dynobj.h: Fix spelling mistake in comment.
1230         * output.cc: Likewise.
1231
1232 2011-05-31  Doug Kwan  <dougkwan@google.com>
1233             Asier Llano
1234
1235         PR gold/12826
1236         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1237         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1238         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1239         redundant arm_exidx_test.so.
1240         * testsuite/Makefile.in: Regenerate.
1241         (check_SCRIPTS): Add pr12826.sh
1242         (check_DATA): Add pr12826.stdout
1243         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1244         * testsuite/pr12826.sh: New file.
1245         * testsuite/pr12826_1.s: Ditto.
1246         * testsuite/pr12826_1.s: Ditto.
1247
1248 2011-05-30  Ian Lance Taylor  <iant@google.com>
1249
1250         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1251         sections.
1252
1253 2011-05-29  Ian Lance Taylor  <iant@google.com>
1254
1255         PR gold/12804
1256         * testsuite/Makefile.am: Use different file name for two_file_test
1257         temporary file for each incremental test.
1258         * testsuite/Makefile.in: Rebuild.
1259
1260 2011-05-29  Ian Lance Taylor  <iant@google.com>
1261
1262         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1263         binary input file is empty.
1264
1265 2011-05-27  Ian Lance Taylor  <iant@google.com>
1266
1267         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1268         (ver_test_9.so): Likewise.
1269         * testsuite/Makefile.in: Rebuild.
1270
1271 2011-05-26 Cary Coutant  <ccoutant@google.com>
1272
1273         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1274         * incremental.cc (Incremental_inputs::report_input_section): Fix
1275         comment, indentation.
1276         (Incremental_inputs::report_comdat_group): New function.
1277         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1278         of data for incremental input file entry.
1279         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1280         group count, COMDAT group signatures.
1281         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1282         an unchanged input file.
1283         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1284         Initialize new data member.
1285         (Incremental_object_entry::add_comdat_group): New function.
1286         (Incremental_object_entry::get_comdat_group_count): New function.
1287         (Incremental_object_entry::get_comdat_signature_key): New function.
1288         (Incremental_object_entry::groups_): New data member.
1289         (Incremental_inputs::report_comdat_group): New function.
1290         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1291         data for incremental input file entry.
1292         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1293         (Incremental_input_entry_reader::get_input_section): Adjust size of
1294         data for incremental input file entry.
1295         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1296         (Incremental_input_entry_reader::get_comdat_group_signature): New
1297         function.
1298         * object.cc (Sized_relobj::include_section_group): Report kept
1299         COMDAT groups for incremental links.
1300
1301 2011-05-24  David Meyer  <pdox@google.com>
1302
1303         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1304         with name parameter.  Add found_name parameter.
1305         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1306         * dirsearch.h (class Dirsearch): Update declaration.
1307
1308 2011-05-24  Ian Lance Taylor  <iant@google.com>
1309
1310         * archive.cc (Library_base::should_include_member): Pull in object
1311         from archive if it defines the entry symbol.
1312         * parameters.cc (Parameters::entry): New function.
1313         * parameters.h (class Parameters): Declare entry.
1314         * output.h (class Output_file_header): Remove entry_ field.
1315         * output.cc (Output_file_header::Output_file_header): Remove entry
1316         parameter.  Change all callers.
1317         (Output_file_header::entry): Use parameters->entry.
1318         * gold.cc (queue_middle_tasks): Likewise.
1319         * plugin.cc (Plugin_hook::run): Likewise.
1320
1321 2011-05-24 Cary Coutant  <ccoutant@google.com>
1322
1323         * gold.cc (queue_initial_tasks): Pass incremental base filename
1324         to Output_file::open_base_file; don't print error message.
1325         * incremental-dump.cc (main): Adjust call to
1326         Output_file::open_for_modification.
1327         * incremental-dump.cc (main): Likewise.
1328         * incremental.cc (Incremental_inputs::report_command_line):
1329         Ignore --incremental-base option when comparing command lines.
1330         Ignore parameter when given as separate argument.
1331         * options.h (class General_options): Add --incremental-base.
1332         * output.cc (Output_file::Output_file):
1333         (Output_file::open_base_file): Add base_name and writable parameters;
1334         read base file into new file; print error message here.
1335         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1336         callers.
1337         * output.h (Output_file::open_for_modification): Rename to...
1338         (Output_file::open_base_file): ...this; add base_name and
1339         writable parameters; adjust all callers.
1340         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1341         callers.
1342         * testsuite/Makefile.am (incremental_test_4): Test
1343         --incremental-base.
1344         * testsuite/Makefile.in: Regenerate.
1345
1346 2011-05-24 Cary Coutant  <ccoutant@google.com>
1347
1348         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1349         incremental_test_4.
1350         * testsuite/Makefile.in: Regenerate.
1351         * testsuite/two_file_test_1_v1.cc: New test source file.
1352         * testsuite/two_file_test_1b_v1.cc: New test source file.
1353         * testsuite/two_file_test_2_v1.cc: New test source file.
1354
1355 2011-05-24 Cary Coutant  <ccoutant@google.com>
1356
1357         * dynobj.h (Dynobj::do_dynobj): New function.
1358         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1359         flag and soname for shared objects.
1360         * incremental.cc (Incremental_inputs::report_object): Make
1361         either Incremental_object_entry or Incremental_dynobj_entry; add
1362         soname to string table.
1363         (Incremental_inputs::report_input_section): Add assertion.
1364         (Output_section_incremental_inputs::set_final_data_size): Adjust
1365         type of input file entry for shared libraries; adjust size of
1366         shared library info entry.
1367         (Output_section_incremental_inputs::write_input_files): Write
1368         as_needed flag for shared libraries.
1369         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1370         of input file entry for shared libraries; write soname.
1371         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1372         soname from incremental info.
1373         * incremental.h (enum Incremental_input_flags): Add
1374         INCREMENTAL_INPUT_AS_NEEDED.
1375         (Incremental_input_entry::Incremental_input_entry): Initialize new
1376         data member.
1377         (Incremental_input_entry::set_as_needed): New function.
1378         (Incremental_input_entry::as_needed): New function.
1379         (Incremental_input_entry::do_dynobj_entry): New function.
1380         (Incremental_input_entry::as_needed_): New data member.
1381         (Incremental_object_entry::Incremental_object_entry): Don't check
1382         for shared library.
1383         (Incremental_object_entry::do_type): Likewise.
1384         (class Incremental_dynobj_entry): New class.
1385         (Incremental_input_entry_reader::as_needed): New function.
1386         (Incremental_input_entry_reader::get_soname): New function.
1387         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1388         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1389         size of shared library info entry.
1390         * layout.cc (Layout::finish_dynamic_section): Don't test for
1391         incremental link when adding DT_NEEDED entries.
1392         * object.h (Object::Object): Initialize new data member.
1393         (Object::dynobj): New function.
1394         (Object::set_as_needed): New function.
1395         (Object::as_needed): New function.
1396         (Object::do_dynobj): New function.
1397         (Object::as_needed_): New data member.
1398
1399 2011-05-24 Cary Coutant  <ccoutant@google.com>
1400
1401         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1402         info; adjust display of GOT entries.
1403         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1404         vector of input objects; remove file_status_.
1405         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1406         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1407         got_plt reader; call target hooks to reserve GOT entries.
1408         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1409         of input file info header and GOT info entry.
1410         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1411         relocation info.
1412         (Got_plt_view_info::got_descriptor): Remove.
1413         (Got_plt_view_info::sym_index): New data member.
1414         (Got_plt_view_info::input_index): New data member.
1415         (Local_got_offset_visitor::visit): Write input file index.
1416         (Global_got_offset_visitor::visit): Write 0 for input file index.
1417         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1418         with sym_index and input_index.
1419         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1420         incremental info GOT entry; replace got_descriptor with input_index.
1421         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1422         map from input file index to object.
1423         (Sized_relobj_incr::do_layout): Replace direct data member reference
1424         with accessor function.
1425         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1426         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1427         Adjust size of input file info header.
1428         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1429         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1430         (Incremental_input_entry_reader::get_input_section): Adjust size of
1431         input file info header.
1432         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1433         of incremental info GOT entry.
1434         (Incremental_got_plt_reader::get_got_desc): Remove.
1435         (Incremental_got_plt_reader::get_got_symndx): New function.
1436         (Incremental_got_plt_reader::get_got_input_index): New function.
1437         (Sized_incremental_binary::Sized_incremental_binary): Remove
1438         file_status_; add input_objects_.
1439         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1440         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1441         (Sized_incremental_binary::file_is_unchanged): Remove.
1442         (Sized_incremental_binary::set_input_object): New function.
1443         (Sized_incremental_binary::input_object): New function.
1444         (Sized_incremental_binary::file_status_): Remove.
1445         (Sized_incremental_binary::input_objects_): New data member.
1446         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1447         references.
1448         (Sized_relobj_incr::invalid_address): Move to base class.
1449         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1450         class.
1451         (Sized_relobj_incr::do_output_section_offset): Likewise.
1452         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1453         (Sized_relobj_incr::section_offsets_): Likewise.
1454         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1455         function.
1456         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1457         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1458         with accessor function.
1459         (Sized_relobj_file::do_layout): Likewise.
1460         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1461         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1462         (Sized_relobj_file::compute_final_local_value): Replace refs to
1463         section_offsets_ with accessor function.
1464         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1465         * object.h (Relobj::Relobj): Initialize new data members.
1466         (Relobj::add_dyn_reloc): New function.
1467         (Relobj::first_dyn_reloc): New function.
1468         (Relobj::dyn_reloc_count): New function.
1469         (Relobj::first_dyn_reloc_): New data member.
1470         (Relobj::dyn_reloc_count_): New data member.
1471         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1472         references.
1473         (Sized_relobj::Address): New typedef.
1474         (Sized_relobj::invalid_address): Move here from child class.
1475         (Sized_relobj::Sized_relobj): Initialize new data members.
1476         (Sized_relobj::sized_relobj): New function.
1477         (Sized_relobj::is_output_section_offset_invalid): Move here from
1478         child class.
1479         (Sized_relobj::get_output_section_offset): Likewise.
1480         (Sized_relobj::local_has_got_offset): Likewise.
1481         (Sized_relobj::local_got_offset): Likewise.
1482         (Sized_relobj::set_local_got_offset): Likewise.
1483         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1484         (Sized_relobj::clear_got_offsets): New function.
1485         (Sized_relobj::section_offsets): Move here from child class.
1486         (Sized_relobj::do_output_section_offset): Likewise.
1487         (Sized_relobj::do_set_section_offset): Likewise.
1488         (Sized_relobj::Local_got_offsets): Likewise.
1489         (Sized_relobj::local_got_offsets_): Likewise.
1490         (Sized_relobj::section_offsets_): Likewise.
1491         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1492         references.
1493         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1494         class.
1495         (Sized_relobj_file::sized_relobj): New function
1496         (Sized_relobj_file::local_has_got_offset): Move to base class.
1497         (Sized_relobj_file::local_got_offset): Likewise.
1498         (Sized_relobj_file::set_local_got_offset): Likewise.
1499         (Sized_relobj_file::get_output_section_offset): Likewise.
1500         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1501         (Sized_relobj_file::do_output_section_offset): Likewise.
1502         (Sized_relobj_file::do_set_section_offset): Likewise.
1503         (Sized_relobj_file::Local_got_offsets): Likewise.
1504         (Sized_relobj_file::local_got_offsets_): Likewise.
1505         (Sized_relobj_file::section_offsets_): Likewise.
1506         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1507         (all constructors).
1508         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1509         (Output_reloc::get_symbol_index): Likewise.
1510         (Output_reloc::local_section_offset): Likewise.
1511         (Output_reloc::get_address): Likewise.
1512         (Output_reloc::symbol_value): Likewise.
1513         (Output_data_got::reserve_slot): Move to class definition.
1514         (Output_data_got::reserve_local): New function.
1515         (Output_data_got::reserve_slot_for_global): Remove.
1516         (Output_data_got::reserve_global): New function.
1517         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1518         (all constructors, two instantiations).
1519         (Output_reloc::get_relobj): New function (two instantiations).
1520         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1521         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1522         (Output_data_reloc::add_global): Adjust type of relobj.
1523         (Output_data_reloc::add_global_relative): Likewise.
1524         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1525         (Output_data_reloc::add_local): Likewise.
1526         (Output_data_reloc::add_local_relative): Likewise.
1527         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1528         (Output_data_reloc::add_local_section): Likewise.
1529         (Output_data_reloc::add_output_section): Likewise.
1530         (Output_data_reloc::add_absolute): Likewise.
1531         (Output_data_reloc::add_target_specific): Likewise.
1532         (Output_data_got::reserve_slot): Move definition here.
1533         (Output_data_got::reserve_local): New function.
1534         (Output_data_got::reserve_global): New function.
1535         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1536         section_offsets_ with accessor function.
1537         (Sized_relobj_file::write_sections): Likewise.
1538         (Sized_relobj_file::do_relocate_sections): Likewise.
1539         * target.h (Sized_target::reserve_local_got_entry): New function.
1540         (Sized_target::reserve_global_got_entry): New function.
1541         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1542         (Target_x86_64::reserve_global_got_entry): New function.
1543         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1544
1545 2011-05-23 Cary Coutant  <ccoutant@google.com>
1546
1547         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1548         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1549         bit when checking got_type.
1550         * incremental.cc (Sized_incremental_binary::setup_readers):
1551         Store symbol table and string table locations; initialize bit vector
1552         of file status flags.
1553         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1554         unchanged files.
1555         (Sized_incremental_binary::do_process_got_plt): New function.
1556         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1557         (Output_section_incremental_inputs::set_final_data_size): Record
1558         file index for each input file.
1559         (Output_section_incremental_inputs::write_got_plt): Store file index
1560         instead of input entry offset for each GOT entry.
1561         * incremental.h
1562         (Incremental_input_entry::Incremental_input_entry): Initialize new
1563         data member.
1564         (Incremental_input_entry::set_offset): Store file index.
1565         (Incremental_input_entry::get_file_index): New function.
1566         (Incremental_input_entry::file_index_): New data member.
1567         (Incremental_binary::process_got_plt): New function.
1568         (Incremental_binary::do_process_got_plt): New function.
1569         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1570         data members.
1571         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1572         (Sized_incremental_binary::set_file_is_unchanged): New function.
1573         (Sized_incremental_binary::file_is_unchanged): New function.
1574         (Sized_incremental_binary::do_process_got_plt): New function.
1575         (Sized_incremental_binary::file_status_): New data member.
1576         (Sized_incremental_binary::main_symtab_loc_): New data member.
1577         (Sized_incremental_binary::main_strtab_loc_): New data member.
1578         * output.cc (Output_data_got::Got_entry::write): Add case
1579         RESERVED_CODE.
1580         (Output_data_got::add_global): Call add_got_entry.
1581         (Output_data_got::add_global_plt): Likewise.
1582         (Output_data_got::add_global_with_rel): Likewise.
1583         (Output_data_got::add_global_with_rela): Likewise.
1584         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1585         (Output_data_got::add_global_pair_with_rela): Likewise.
1586         (Output_data_got::add_local): Call add_got_entry.
1587         (Output_data_got::add_local_plt): Likewise.
1588         (Output_data_got::add_local_with_rel): Likewise.
1589         (Output_data_got::add_local_with_rela): Likewise.
1590         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1591         (Output_data_got::add_local_pair_with_rela): Likewise.
1592         (Output_data_got::reserve_slot): New function.
1593         (Output_data_got::reserve_slot_for_global): New function.
1594         (Output_data_got::add_got_entry): New function.
1595         (Output_data_got::add_got_entry_pair): New function.
1596         (Output_section::add_output_section_data): Edit FIXME.
1597         * output.h
1598         (Output_section_data_build::Output_section_data_build): New
1599         constructor with size parameter.
1600         (Output_data_space::Output_data_space): Likewise.
1601         (Output_data_got::Output_data_got): Initialize new data member; new
1602         constructor with size parameter.
1603         (Output_data_got::add_constant): Call add_got_entry.
1604         (Output_data_got::reserve_slot): New function.
1605         (Output_data_got::reserve_slot_for_global): New function.
1606         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1607         (Output_data_got::add_got_entry): New function.
1608         (Output_data_got::add_got_entry_pair): New function.
1609         (Output_data_got::free_list_): New data member.
1610         * target.h (Sized_target::init_got_plt_for_update): New function.
1611         (Sized_target::register_global_plt_entry): New function.
1612         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1613         Initialize new data member; call init; add constructor with PLT count.
1614         (Output_data_plt_x86_64::init): New function.
1615         (Output_data_plt_x86_64::add_relocation): New function.
1616         (Output_data_plt_x86_64::reserve_slot): New function.
1617         (Output_data_plt_x86_64::free_list_): New data member.
1618         (Target_x86_64::init_got_plt_for_update): New function.
1619         (Target_x86_64::register_global_plt_entry): New function.
1620         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1621         incremental updates.
1622         (Output_data_plt_x86_64::add_relocation): New function.
1623         * testsuite/object_unittest.cc (Object_test): Set default options.
1624
1625 2011-05-16  Ian Lance Taylor  <iant@google.com>
1626
1627         * options.h (class General_options): Make -i a synonym for -r.
1628
1629 2011-05-16  Ian Lance Taylor  <iant@google.com>
1630
1631         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1632
1633 2011-05-10 Cary Coutant  <ccoutant@google.com>
1634
1635         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1636         strip_all (-s).
1637
1638 2011-05-06  Ian Lance Taylor  <iant@google.com>
1639
1640         * layout.cc (Layout::layout): If the output section flags change,
1641         update the ordering.
1642
1643 2011-04-25 Cary Coutant  <ccoutant@google.com>
1644
1645         * incremental-dump.cc (dump_incremental_inputs): Print local
1646         symbol info for each input file.
1647         * incremental.cc
1648         (Output_section_incremental_inputs::set_final_data_size): Add local
1649         symbol info to input file entries in incremental info.
1650         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1651         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1652         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1653         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1654         implementation.
1655         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1656         (Sized_incr_relobj::do_relocate): Write the local symbols.
1657         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1658         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1659         Adjust size of input file header.
1660         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1661         (Incremental_inputs_reader::get_local_symbol_count): New function.
1662         (Incremental_inputs_reader::get_input_section): Adjust size of input
1663         file header.
1664         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1665         (Sized_incr_relobj::This): New typedef.
1666         (Sized_incr_relobj::sym_size): New const data member.
1667         (Sized_incr_relobj::Local_symbol): New struct.
1668         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1669         (Sized_incr_relobj::do_local_symbol_offset): New function.
1670         (Sized_incr_relobj::local_symbol_count_): New data member.
1671         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1672         (Sized_incr_relobj::local_symbol_index_): New data member.
1673         (Sized_incr_relobj::local_symbol_offset_): New data member.
1674         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1675         (Sized_incr_relobj::local_symbols_): New data member.
1676         * object.h (Relobj::output_local_symbol_count): New function.
1677         (Relobj::local_symbol_offset): New function.
1678         (Relobj::do_output_local_symbol_count): New function.
1679         (Relobj::do_local_symbol_offset): New function.
1680         (Sized_relobj::do_output_local_symbol_count): New function.
1681         (Sized_relobj::do_local_symbol_offset): New function.
1682
1683 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1684
1685         * descriptors.cc (set_close_on_exec): New function.
1686         (Descriptors::open): Use set_close_on_exec.
1687         * output.cc (S_ISLNK): Define if not defined.
1688
1689 2011-04-22 Cary Coutant  <ccoutant@google.com>
1690
1691         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1692         global symbol map.
1693         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1694         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1695         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1696         relocations.
1697         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1698         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1699         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1700         * incremental.h
1701         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1702         function.
1703         (Incremental_binary::apply_incremental_relocs): New function.
1704         (Incremental_binary::do_apply_incremental_relocs): New function.
1705         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1706         data member.
1707         (Sized_incremental_binary::add_global_symbol): New function.
1708         (Sized_incremental_binary::global_symbol): New function.
1709         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1710         (Sized_incremental_binary::symbol_map_): New data member.
1711         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1712         * target.h (Sized_target::apply_relocation): New function.
1713         * target-reloc.h (apply_relocation): New function.
1714         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1715
1716 2011-04-22  Doug Kwan  <dougkwan@google.com>
1717
1718         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1719         flag of a SHT_ARM_EXIDX section.
1720         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1721         * testsuite/Makefile.in: Regenerate.
1722         * testsuite/arm_exidx_test.s: New file.
1723         * testsuite/arm_exidx_test.sh: Same.
1724
1725 2011-04-20 Cary Coutant  <ccoutant@google.com>
1726
1727         PR gold/12689
1728         * archive.h (Incremental_archive_entry::Archive_member):
1729         Initialize arg_serial_ (second constructor).
1730
1731 2011-04-17  Ian Lance Taylor  <iant@google.com>
1732
1733         * object.cc (Relocate_info::location): Simplify location string.
1734         * errors.cc (Errors::error_at_location): Don't print program
1735         name.
1736         (Errors::warning_at_location): Likewise.
1737         (Errors::undefined_symbol): Likewise.
1738         * testsuite/debug_msg.sh: Update accordingly.
1739
1740 2011-04-14 Cary Coutant  <ccoutant@google.com>
1741
1742         * gold/layout.cc (Layout::symtab_section_offset): New function.
1743         * gold/layout.h (Layout::symtab_section_offset): New function.
1744         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1745
1746 2011-04-12  Ian Lance Taylor  <iant@google.com>
1747
1748         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1749         with MREMAP_MAYMOVE.
1750         * output.h (class Output_file): Add map_is_allocated_ field.
1751         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1752         not available, provide stubs.  If mremap is not available, #define
1753         it to gold_mremap.
1754         (MREMAP_MAYMOVE): Define if not defined.
1755         (Output_file::Output_file): Initialize map_is_allocated_.
1756         (Output_file::resize): Check map_is_allocated_.
1757         (Output_file::map_anonymous): If mmap fails, use malloc.
1758         (Output_file::unmap): Don't do anything for an anonymous map.
1759         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1760         is not available, provide stubs.
1761         (File_read::View::~View): Use free rather than delete[].
1762         (File_read::make_view): Use malloc rather than new[].  If mmap
1763         fails, use malloc.
1764         (File_read::find_or_make_view): Use malloc rather than new[].
1765         * gold.h: Remove HAVE_REMAP code.
1766         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1767         exists.  Rename mremap to gold_mremap.  If mmap is not available
1768         don't do anything.
1769         * configure, config.in: Rebuild.
1770
1771 2011-04-11  Ian Lance Taylor  <iant@google.com>
1772
1773         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1774         initialize local variable v.
1775
1776 2011-04-11  Cary Coutant  <ccoutant@google.com>
1777
1778         * archive.cc (Archive::include_member): Adjust call to
1779         report_object.
1780         (Add_archive_symbols::run): Track argument serial numbers.
1781         (Lib_group::include_member): Likewise.
1782         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1783         * archive.h (Incremental_archive_entry::Archive_member):
1784         Initialize arg_serial_.
1785         (Archive_member::arg_serial_): New data member.
1786         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1787         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1788         incremental link.
1789         (Sized_dynobj::do_for_all_local_got_entries): New function.
1790         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1791         function.
1792         * fileread.cc (get_mtime): New function.
1793         * fileread.h (get_mtime): New function.
1794         * gold.cc (queue_initial_tasks): Check for incremental update.
1795         (process_incremental_input): New function.
1796         (queue_middle_tasks): Don't force valid target for incremental
1797         update.
1798         * incremental-dump.cc (find_input_containing_global): Adjust
1799         size of symbol info entry.
1800         (dump_incremental_inputs): Dump argument serial number and
1801         in_system_directory flag; bias shndx by 1; print symbol names
1802         when dumping per-file symbol lists; use new symbol info readers.
1803         * incremental.cc
1804         (Output_section_incremental_inputs:update_data_size): New function.
1805         (Sized_incremental_binary::setup_readers): Setup input readers
1806         for each input file; build maps for files added from libraries
1807         and scripts.
1808         (Sized_incremental_binary::check_input_args): New function.
1809         (Sized_incremental_binary::do_check_inputs): Build map of argument
1810         serial numbers to input arguments.
1811         (Sized_incremental_binary::do_file_has_changed): Rename
1812         do_file_is_unchanged to this; compare file modification times.
1813         (Sized_incremental_binary::do_init_layout): New function.
1814         (Sized_incremental_binary::do_reserve_layout): New function.
1815         (Sized_incremental_binary::do_get_input_reader): Remove.
1816         (Sized_incremental_binary::get_symtab_view): New function.
1817         (Incremental_checker::can_incrementally_link_output_file): Remove.
1818         (Incremental_inputs::report_command_line): Exclude --debug options.
1819         (Incremental_inputs::report_archive_begin): Add parameter; track
1820         argument serial numbers; don't put input file entry for archive
1821         before archive members.
1822         (Incremental_inputs::report_archive_end): Put input file entry
1823         for archive after archive members.
1824         (Incremental_inputs::report_object): Add parameter; track argument
1825         serial numbers and in_system_directory flag.
1826         (Incremental_inputs::report_script): Add parameter; track argument
1827         serial numbers.
1828         (Output_section_incremental_inputs::set_final_data_size): Adjust
1829         size of symbol info entry; check for forwarding symbols.
1830         (Output_section_incremental_inputs::write_input_files): Write
1831         in_system_directory flag and argument serial number.
1832         (Output_section_incremental_inputs::write_info_blocks): Map section
1833         indices between incremental info and original input file; store
1834         input section index for each symbol.
1835         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1836         change operator() to visit().
1837         (class Global_got_offset_visitor): Likewise.
1838         (class Global_symbol_visitor_got_plt):
1839         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1840         classes.
1841         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1842         (Sized_incr_relobj::do_read_symbols): New function.
1843         (Sized_incr_relobj::do_layout): New function.
1844         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1845         (Sized_incr_relobj::do_add_symbols): New function.
1846         (Sized_incr_relobj::do_should_include_member): New function.
1847         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1848         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1849         (Sized_incr_relobj::do_section_size): New function.
1850         (Sized_incr_relobj::do_section_name): New function.
1851         (Sized_incr_relobj::do_section_contents): New function.
1852         (Sized_incr_relobj::do_section_flags): New function.
1853         (Sized_incr_relobj::do_section_entsize): New function.
1854         (Sized_incr_relobj::do_section_address): New function.
1855         (Sized_incr_relobj::do_section_type): New function.
1856         (Sized_incr_relobj::do_section_link): New function.
1857         (Sized_incr_relobj::do_section_info): New function.
1858         (Sized_incr_relobj::do_section_addralign): New function.
1859         (Sized_incr_relobj::do_initialize_xindex): New function.
1860         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1861         (Sized_incr_relobj::do_read_relocs): New function.
1862         (Sized_incr_relobj::do_gc_process_relocs): New function.
1863         (Sized_incr_relobj::do_scan_relocs): New function.
1864         (Sized_incr_relobj::do_count_local_symbols): New function.
1865         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1866         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1867         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1868         (Sized_incr_relobj::do_relocate): New function.
1869         (Sized_incr_relobj::do_set_section_offset): New function.
1870         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1871         (Sized_incr_dynobj::do_read_symbols): New function.
1872         (Sized_incr_dynobj::do_layout): New function.
1873         (Sized_incr_dynobj::do_add_symbols): New function.
1874         (Sized_incr_dynobj::do_should_include_member): New function.
1875         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1876         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1877         (Sized_incr_dynobj::do_section_size): New function.
1878         (Sized_incr_dynobj::do_section_name): New function.
1879         (Sized_incr_dynobj::do_section_contents): New function.
1880         (Sized_incr_dynobj::do_section_flags): New function.
1881         (Sized_incr_dynobj::do_section_entsize): New function.
1882         (Sized_incr_dynobj::do_section_address): New function.
1883         (Sized_incr_dynobj::do_section_type): New function.
1884         (Sized_incr_dynobj::do_section_link): New function.
1885         (Sized_incr_dynobj::do_section_info): New function.
1886         (Sized_incr_dynobj::do_section_addralign): New function.
1887         (Sized_incr_dynobj::do_initialize_xindex): New function.
1888         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1889         (make_sized_incremental_object): New function.
1890         (Incremental_library::copy_unused_symbols): New function.
1891         (Incremental_library::do_for_all_unused_symbols): New function.
1892         * incremental.h (enum Incremental_input_flags): New type.
1893         (class Incremental_checker): Remove.
1894         (Incremental_input_entry::Incremental_input_entry): Add argument
1895         serial number.
1896         (Incremental_input_entry::arg_serial): New function.
1897         (Incremental_input_entry::set_is_in_system_directory): New function.
1898         (Incremental_input_entry::is_in_system_directory): New function.
1899         (Incremental_input_entry::arg_serial_): New data member.
1900         (Incremental_input_entry::is_in_system_directory_): New data member.
1901         (class Script_info): Move here from script.h.
1902         (Script_info::Script_info): Add filename parameter.
1903         (Script_info::filename): New function.
1904         (Script_info::filename_): New data member.
1905         (Incremental_script_entry::Incremental_script_entry): Add argument
1906         serial number.
1907         (Incremental_object_entry::Incremental_object_entry): Likewise.
1908         (Incremental_object_entry::add_input_section): Build list of input
1909         sections with map to original shndx.
1910         (Incremental_object_entry::get_input_section_index): New function.
1911         (Incremental_object_entry::shndx_): New data member.
1912         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1913         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1914         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1915         serial number.
1916         (Incremental_inputs::report_archive_begin): Likewise.
1917         (Incremental_inputs::report_object): Likewise.
1918         (Incremental_inputs::report_script): Likewise.
1919         (class Incremental_global_symbol_reader): New class.
1920         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1921         and store flags and input file type.
1922         (Incremental_input_entry_reader::arg_serial): New function.
1923         (Incremental_input_entry_reader::type): Extract type from flags.
1924         (Incremental_input_entry_reader::is_in_system_directory): New function.
1925         (Incremental_input_entry_reader::get_input_section_count): Call
1926         accessor function for type.
1927         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1928         function for type; adjust size of global symbol entry.
1929         (Incremental_input_entry_reader::get_global_symbol_count): Call
1930         accessor function for type.
1931         (Incremental_input_entry_reader::get_object_count): Likewise.
1932         (Incremental_input_entry_reader::get_object_offset): Likewise.
1933         (Incremental_input_entry_reader::get_member_count): Likewise.
1934         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1935         (Incremental_input_entry_reader::get_member_offset): Likewise.
1936         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1937         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1938         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1939         (Incremental_input_entry_reader::get_global_symbol_reader): New
1940         function.
1941         (Incremental_input_entry_reader::get_output_symbol_index): New
1942         function.
1943         (Incremental_input_entry_reader::type_): Remove.
1944         (Incremental_input_entry_reader::flags_): New data member.
1945         (Incremental_inputs_reader::input_file_offset): New function.
1946         (Incremental_inputs_reader::input_file_index): New function.
1947         (Incremental_inputs_reader::input_file): Call input_file_offset.
1948         (Incremental_inputs_reader::input_file_at_offset): New function.
1949         (Incremental_relocs_reader::get_r_type): Reformat.
1950         (Incremental_relocs_reader::get_r_shndx): Reformat.
1951         (Incremental_relocs_reader::get_r_offset): Reformat.
1952         (Incremental_relocs_reader::data): New function.
1953         (Incremental_binary::Incremental_binary): Initialize new data members.
1954         (Incremental_binary::check_inputs): Add cmdline parameter.
1955         (Incremental_binary::file_is_unchanged): Remove.
1956         (Input_reader::arg_serial): New function.
1957         (Input_reader::get_unused_symbol_count): New function.
1958         (Input_reader::get_unused_symbol): New function.
1959         (Input_reader::do_arg_serial): New function.
1960         (Input_reader::do_get_unused_symbol_count): New function.
1961         (Input_reader::do_get_unused_symbol): New function.
1962         (Incremental_binary::input_file_count): New function.
1963         (Incremental_binary::get_input_reader): Change signature to use
1964         index instead of filename.
1965         (Incremental_binary::file_has_changed): New function.
1966         (Incremental_binary::get_input_argument): New function.
1967         (Incremental_binary::get_library): New function.
1968         (Incremental_binary::get_script_info): New function.
1969         (Incremental_binary::init_layout): New function.
1970         (Incremental_binary::reserve_layout): New function.
1971         (Incremental_binary::output_file): New function.
1972         (Incremental_binary::do_check_inputs): New function.
1973         (Incremental_binary::do_file_is_unchanged): Remove.
1974         (Incremental_binary::do_file_has_changed): New function.
1975         (Incremental_binary::do_init_layout): New function.
1976         (Incremental_binary::do_reserve_layout): New function.
1977         (Incremental_binary::do_input_file_count): New function.
1978         (Incremental_binary::do_get_input_reader): Change signature.
1979         (Incremental_binary::input_args_map_): New data member.
1980         (Incremental_binary::library_map_): New data member.
1981         (Incremental_binary::script_map_): New data member.
1982         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1983         new data members.
1984         (Sized_incremental_binary::output_section): New function.
1985         (Sized_incremental_binary::inputs_reader): Add const.
1986         (Sized_incremental_binary::symtab_reader): Add const.
1987         (Sized_incremental_binary::relocs_reader): Add const.
1988         (Sized_incremental_binary::got_plt_reader): Add const.
1989         (Sized_incremental_binary::get_symtab_view): New function.
1990         (Sized_incremental_binary::Inputs_reader): New typedef.
1991         (Sized_incremental_binary::Input_entry_reader): New typedef.
1992         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1993         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1994         (Sized_incremental_binary::do_file_has_changed): New function.
1995         (Sized_incremental_binary::do_init_layout): New function.
1996         (Sized_incremental_binary::do_reserve_layout): New function.
1997         (Sized_input_reader::Inputs_reader): Remove.
1998         (Sized_input_reader::Input_entry_reader): Remove.
1999         (Sized_input_reader::do_arg_serial): New function.
2000         (Sized_input_reader::do_get_unused_symbol_count): New function.
2001         (Sized_input_reader::do_get_unused_symbol): New function.
2002         (Sized_incremental_binary::do_input_file_count): New function.
2003         (Sized_incremental_binary::do_get_input_reader): Change signature;
2004         use index instead of filename.
2005         (Sized_incremental_binary::section_map_): New data member.
2006         (Sized_incremental_binary::input_entry_readers_): New data member.
2007         (class Sized_incr_relobj): New class.
2008         (class Sized_incr_dynobj): New class.
2009         (make_sized_incremental_object): New function.
2010         (class Incremental_library): New class.
2011         * layout.cc (Free_list::num_lists): New static data member.
2012         (Free_list::num_nodes): New static data member.
2013         (Free_list::num_removes): New static data member.
2014         (Free_list::num_remove_visits): New static data member.
2015         (Free_list::num_allocates): New static data member.
2016         (Free_list::num_allocate_visits): New static data member.
2017         (Free_list::init): New function.
2018         (Free_list::remove): New function.
2019         (Free_list::allocate): New function.
2020         (Free_list::dump): New function.
2021         (Free_list::print_stats): New function.
2022         (Layout_task_runner::run): Resize output file for incremental updates.
2023         (Layout::Layout): Initialize new data members.
2024         (Layout::set_incremental_base): New function.
2025         (Layout::init_fixed_output_section): New function.
2026         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2027         incremental updates.
2028         (Layout::create_gold_note): Do not create gold note section for
2029         incremental updates.
2030         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2031         for incremental updates.
2032         (Layout::set_section_offsets): For incremental updates, allocate space
2033         from free list.
2034         (Layout::create_symtab_sections): Layout with offsets relative to
2035         start of section; for incremental updates, allocate space from free
2036         list.
2037         (Layout::create_shdrs): For incremental updates, allocate space from
2038         free list.
2039         (Layout::finish_dynamic_section): For incremental updates, do not
2040         check --as-needed (fixed in subsequent patch).
2041         * layout.h (class Free_list): New class.
2042         (Layout::set_incremental_base): New function.
2043         (Layout::incremental_base): New function.
2044         (Layout::init_fixed_output_section): New function.
2045         (Layout::allocate): New function.
2046         (Layout::incremental_base_): New data member.
2047         (Layout::free_list_): New data member.
2048         * main.cc (main): Print Free_list statistics.
2049         * object.cc (Relobj::finalize_incremental_relocs): Add
2050         clear_counts parameter; clear counts only when clear_counts is set.
2051         (Sized_relobj::Sized_relobj): Initialize new base class.
2052         (Sized_relobj::do_layout): Don't report special sections.
2053         (Sized_relobj::do_for_all_local_got_entries): New function.
2054         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2055         symtab_off to all symbol table offsets.
2056         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2057         * object.h (class Got_offset_list): Move to top of file.
2058         (Object::Object): Allow case where input_file == NULL.
2059         (Object::~Object): Likewise.
2060         (Object::input_file): Assert that input_file != NULL.
2061         (Object::lock): Allow case where input_file == NULL.
2062         (Object::unlock): Likewise.
2063         (Object::is_locked): Likewise.
2064         (Object::token): Likewise.
2065         (Object::release): Likewise.
2066         (Object::is_incremental): New function.
2067         (Object::get_mtime): New function.
2068         (Object::for_all_local_got_entries): New function.
2069         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2070         (Object::set_is_in_system_directory): New function.
2071         (Object::is_in_system_directory): New function.
2072         (Object::do_is_incremental): New function.
2073         (Object::do_get_mtime): New function.
2074         (Object::do_for_all_local_got_entries): New function.
2075         (Object::is_in_system_directory_): New data member.
2076         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2077         (class Sized_relobj_base): New class.
2078         (class Sized_relobj): Derive from Sized_relobj_base.
2079         (class Sized_relobj::Symbols): Redeclare from base class.
2080         (class Sized_relobj::local_got_offset_list): Remove.
2081         (class Sized_relobj::Output_sections): Redeclare from base class.
2082         (class Sized_relobj::do_for_all_local_got_entries): New function.
2083         (class Sized_relobj::write_local_symbols): Add offset parameter.
2084         (class Sized_relobj::local_symbol_offset_): Update comment.
2085         (class Sized_relobj::local_dynsym_offset_): Update comment.
2086         * options.cc (Input_arguments::add_file): Remove const.
2087         * options.h (Input_file_argument::Input_file_argument):
2088         Initialize arg_serial_ (all constructors).
2089         (Input_file_argument::set_arg_serial): New function.
2090         (Input_file_argument::arg_serial): New function.
2091         (Input_file_argument::arg_serial_): New data member.
2092         (Input_arguments::Input_arguments): Initialize file_count_.
2093         (Input_arguments::add_file): Remove const.
2094         (Input_arguments::number_of_input_files): New function.
2095         (Input_arguments::file_count_): New data member.
2096         (Command_line::number_of_input_files): Call
2097         Input_arguments::number_of_input_files.
2098         * output.cc (Output_segment_headers::Output_segment_headers):
2099         Set current size.
2100         (Output_section::Input_section::current_data_size): New function.
2101         (Output_section::Output_section): Initialize new data members.
2102         (Output_section::add_input_section): Don't do merge sections for
2103         an incremental link; allocate space from free list for an
2104         incremental update.
2105         (Output_section::add_output_section_data): Allocate space from
2106         free list for an incremental update.
2107         (Output_section::update_data_size): New function.
2108         (Output_section::set_fixed_layout): New function.
2109         (Output_section::reserve): New function.
2110         (Output_segment::set_section_addresses): Remove const.
2111         (Output_segment::set_section_list_addresses): Remove const; allocate
2112         space from free list for an incremental update.
2113         (Output_segment::set_offset): Adjust size of RELRO segment for an
2114         incremental update.
2115         * output.h (Output_data::current_data_size): Move here from
2116         child classes.
2117         (Output_data::pre_finalize_data_size): New function.
2118         (Output_data::update_data_size): New function.
2119         (Output_section_headers::update_data_size): new function.
2120         (Output_section_data_build::current_data_size): Move to Output_data.
2121         (Output_data_strtab::update_data_size): New function.
2122         (Output_section::current_data_size): Move to Output_data.
2123         (Output_section::set_fixed_layout): New function.
2124         (Output_section::has_fixed_layout): New function.
2125         (Output_section::reserve): New function.
2126         (Output_section::update_data_size): New function.
2127         (Output_section::has_fixed_layout_): New data member.
2128         (Output_section::free_list_): New data member.
2129         (Output_segment::set_section_addresses): Remove const.
2130         (Output_segment::set_section_list_addresses): Remove const.
2131         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2132         New function.
2133         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2134         New function.
2135         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2136         parameter when calling Add_symbols constructor; store argument
2137         serial number for members of a lib group.
2138         (Add_symbols::locks): Allow case where token == NULL.
2139         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2140         (Read_member::~Read_member): New function.
2141         (Read_member::is_runnable): New function.
2142         (Read_member::locks): New function.
2143         (Read_member::run): New function.
2144         (Check_script::~Check_script): New function.
2145         (Check_script::is_runnable): New function.
2146         (Check_script::locks): New function.
2147         (Check_script::run): New function.
2148         (Check_library::~Check_library): New function.
2149         (Check_library::is_runnable): New function.
2150         (Check_library::locks): New function.
2151         (Check_library::run): New function.
2152         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2153         (Add_symbols::library_): New data member.
2154         (class Read_member): New class.
2155         (class Check_script): New class.
2156         (class Check_library): New class.
2157         * reloc.cc (Read_relocs::is_runnable): Allow case where
2158         token == NULL.
2159         (Read_relocs::locks): Likewise.
2160         (Scan_relocs::locks): Likewise.
2161         (Relocate_task::locks): Likewise.
2162         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2163         to clear counters.
2164         (Sized_relobj::incremental_relocs_scan): Fix comment.
2165         (Sized_relobj::do_relocate): Pass output file offset to
2166         write_local_symbols.
2167         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2168         from class declaration.
2169         * script.cc (read_input_script): Allocate Script_info; pass
2170         argument serial number to report_script.
2171         * script.h (class Script_info): Move to incremental.h.
2172         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2173         * symtab.h (Symbol_table::add_from_incrobj): New function.
2174         (Symbol_table::set_file_offset): New function.
2175
2176 2011-04-05  Cary Coutant  <ccoutant@google.com>
2177
2178         * incremental-dump.cc (dump_incremental_inputs): Change signature
2179         to take a Sized_incremental_binary; change caller.  Use readers
2180         in Sized_incremental_binary.
2181         * incremental.cc
2182         (Sized_incremental_binary::find_incremental_inputs_sections):
2183         Rename do_find_incremental_inputs_sections to this.
2184         (Sized_incremental_binary::setup_readers): New function.
2185         (Sized_incremental_binary::do_check_inputs): Check
2186         has_incremental_info_ flag; move setup code to setup_readers;
2187         use input readers.
2188         (Sized_incremental_binary::do_file_is_unchanged): New function.
2189         (Sized_incremental_binary::do_get_input_reader): New function.
2190         * incremental.h (class Incremental_binary): Move to end of file.
2191         (Incremental_binary::file_is_unchanged): New function.
2192         (Incremental_binary::do_file_is_unchanged): New function.
2193         (Incremental_binary::Input_reader): New class.
2194         (Incremental_binary::get_input_reader): New function.
2195         (class Sized_incremental_binary): Move to end of file.
2196         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2197         input section reader classes.
2198         (Sized_incremental_binary::has_incremental_info): New function.
2199         (Sized_incremental_binary::inputs_reader): New function.
2200         (Sized_incremental_binary::symtab_reader): New function.
2201         (Sized_incremental_binary::relocs_reader): New function.
2202         (Sized_incremental_binary::got_plt_reader): New function.
2203         (Sized_incremental_binary::do_file_is_unchanged): New function.
2204         (Sized_incremental_binary::Sized_input_reader): New class.
2205         (Sized_incremental_binary::get_input_reader): New function.
2206         (Sized_incremental_binary::find_incremental_inputs_sections):
2207         Rename do_find_incremental_inputs_sections to this.
2208         (Sized_incremental_binary::setup_readers): New function.
2209         (Sized_incremental_binary::has_incremental_info_): New data member.
2210         (Sized_incremental_binary::inputs_reader_): New data member.
2211         (Sized_incremental_binary::symtab_reader_): New data member.
2212         (Sized_incremental_binary::relocs_reader_): New data member.
2213         (Sized_incremental_binary::got_plt_reader_): New data member.
2214         (Sized_incremental_binary::current_input_file_): New data member.
2215
2216 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2217
2218         PR gold/12640
2219         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2220         violation.
2221
2222 2011-03-30  Cary Coutant  <ccoutant@google.com>
2223
2224         * archive.cc (Archive::include_member): Adjust call to report_object.
2225         (Add_archive_symbols::run): Add script_info to call to
2226         report_archive_begin.
2227         (Lib_group::include_member): Adjust call to report_object.
2228         (Add_lib_group_symbols::run): Adjust call to report_object.
2229         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2230         blocks.  Add object count for script input files.
2231         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2232         script_info parameter; change all callers.
2233         (Incremental_inputs::report_object): Add script_info parameter;
2234         change all callers.
2235         (Incremental_inputs::report_script): Store backpointer to
2236         incremental info entry.
2237         (Output_section_incremental_inputs::set_final_data_size): Record
2238         additional information for scripts.
2239         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2240         * incremental.h (Incremental_script_entry::add_object): New function.
2241         (Incremental_script_entry::get_object_count): New function.
2242         (Incremental_script_entry::get_object): New function.
2243         (Incremental_script_entry::objects_): New data member; adjust
2244         constructor.
2245         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2246         (Incremental_inputs::report_object): Add script_info parameter.
2247         (Incremental_inputs_reader::get_object_count): New function.
2248         (Incremental_inputs_reader::get_object_offset): New function.
2249         * options.cc (Input_arguments::add_file): Return reference to
2250         new input argument.
2251         * options.h (Input_argument::set_script_info): New function.
2252         (Input_argument::script_info): New function.
2253         (Input_argument::script_info_): New data member; adjust all
2254         constructors.
2255         (Input_file_group::add_file): Return reference to new input argument.
2256         (Input_file_lib::add_file): Likewise.
2257         (Input_arguments::add_file): Likewise.
2258         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2259         * script.cc (Parser_closure::Parser_closure): Add script_info
2260         parameter; adjust all callers.
2261         (Parser_closure::script_info): New function.
2262         (Parser_closure::script_info_): New data member.
2263         (read_input_script): Report scripts earlier to incremental info.
2264         (script_add_file): Set script_info in Input_argument.
2265         (script_add_library): Likewise.
2266         * script.h (Script_options::Script_info): Rewrite class.
2267
2268 2011-03-29  Cary Coutant  <ccoutant@google.com>
2269
2270         * archive.cc (Library_base::should_include_member): Move
2271         method here from class Archive.
2272         (Archive::Archive): Initialize base class.
2273         (Archive::should_include_member): Move to base class.
2274         (Archive::do_for_all_unused_symbols): New function.
2275         (Add_archive_symbols::run): Remove redundant access to
2276         incremental_inputs.
2277         (Lib_group::Lib_group): Initialize base class.
2278         (Lib_group::do_filename): New function.
2279         (Lib_group::include_member): Pass pointer to Lib_group to
2280         report_object.
2281         (Lib_group::do_for_all_unused_symbols): New function.
2282         (Add_lib_group_symbols::run): Report archive information for
2283         incremental links.
2284         * archive.h (class Library_base): New base class.
2285         (class Archive): Derive from Library_base.
2286         (Archive::filename): Move to base class.
2287         (Archive::set_incremental_info): Likewise.
2288         (Archive::incremental_info): Likewise.
2289         (Archive::Should_include): Likewise.
2290         (Archive::should_include_member): Likewise.
2291         (Archive::Armap_entry): Remove.
2292         (Archive::Unused_symbol_iterator): Remove.
2293         (Archive::unused_symbols_begin): Remove.
2294         (Archive::unused_symbols_end): Remove.
2295         (Archive::do_filename): New function.
2296         (Archive::do_get_mtime): New function.
2297         (Archive::do_for_all_unused_symbols): New function.
2298         (Archive::task_): Move to base class.
2299         (Archive::incremental_info_): Likewise.
2300         (class Lib_group): Derive from Library_base.
2301         (Lib_group::do_filename): New function.
2302         (Lib_group::do_get_mtime): New function.
2303         (Lib_group::do_for_all_unused_symbols): New function.
2304         (Lib_group::task_): Move to base class.
2305         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2306         function.
2307         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2308         function.
2309         * incremental.cc (Incremental_inputs::report_archive_begin):
2310         Use Library_base; call library's get_mtime; add incremental inputs
2311         entry before members.
2312         (class Unused_symbol_visitor): New class.
2313         (Incremental_inputs::report_archive_end): Use Library_base; use
2314         visitor class to record unused symbols; don't add incremental inputs
2315         entry after members.
2316         (Incremental_inputs::report_object): Use Library_base.
2317         * incremental.h
2318         (Incremental_archive_entry::Incremental_archive_entry): Remove
2319         unused Archive parameter.
2320         (Incremental_inputs::report_archive_begin): Use Library_base.
2321         (Incremental_inputs::report_archive_end): Likewise.
2322         (Incremental_inputs::report_object): Likewise.
2323         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2324         function.
2325         * object.h (Object::for_all_global_symbols): New function.
2326         (Object::do_for_all_global_symbols): New function.
2327         (Sized_relobj::do_for_all_global_symbols): New function.
2328         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2329         function.
2330         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2331         function.
2332
2333 2011-03-27  Ian Lance Taylor  <iant@google.com>
2334
2335         * archive.cc (Archive::interpret_header): Return -1 if something
2336         goes wrong.  Change callers accordingly.
2337
2338 2011-03-25  Cary Coutant  <ccoutant@google.com>
2339
2340         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2341         * testsuite/Makefile.in: Regenerate.
2342
2343 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2344
2345         * plugin.cc (get_view): New.
2346         (Plugin::load): Pass get_view to the plugin.
2347         (Plugin_manager::get_view): New.
2348
2349 2011-03-21  Ian Lance Taylor  <iant@google.com>
2350
2351         * testsuite/final_layout.sh: Rewrite to not use dc.
2352         * testsuite/relro_test.sh: Fail if dc is not present.
2353
2354 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2355
2356         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2357         Change == to -eq.
2358         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2359         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2360         Change == to -eq.
2361         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2362         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2363
2364 2011-03-14  Ian Lance Taylor  <iant@google.com>
2365
2366         * script-sections.cc (Sort_output_sections::script_compare):
2367         Rename from is_before, change return type.
2368         (Sort_output_sections::operator()): Adjust accordingly.
2369
2370 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2371
2372         PR gold/12572
2373         * testsuite/odr_violation2.cc: Add comment to make all error line
2374         numbers double digits.
2375         * testsuite/debug_msg.sh: Adjust expected errors.
2376
2377 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2378
2379         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2380         but mark earlier ones as non-canonical
2381         (offset_to_iterator): Update search target and example
2382         (do_addr2line): Return extra lines in a vector*
2383         (format_file_lineno): Extract from do_addr2line
2384         (one_addr2line): Add vector* out-param
2385         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2386         when a lineno entry appeared last for its instruction
2387         (Dwarf_line_info): Add vector* out-param
2388         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2389         * symtab.cc (Odr_violation_compare): Include the lineno in the
2390         comparison again.
2391         (linenos_from_loc): New. Combine the canonical line for an
2392         address with its other lines.
2393         (True_if_intersect): New. Helper functor to make
2394         std::set_intersection a query.
2395         (detect_odr_violations): Compare sets of lines instead of just
2396         one line for each function. This became less deterministic, but
2397         has fewer false positives.
2398         * symtab.h: Declarations.
2399         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2400         mix an optimized and non-optimized object in the same binary
2401         (odr_violation2.so): Same.
2402         * testsuite/Makefile.in: Regenerate from Makefile.am.
2403         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2404         * testsuite/debug_msg.sh: Update line numbers and add
2405         assertions.
2406         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2407         non-optimized context.
2408         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2409         isn't inlined, and use OdrDerived in an optimized context.
2410         * testsuite/odr_header1.h: Defines OdrDerived, where
2411         optimization will change the
2412         first-instruction-in-the-destructor's file and line number.
2413         * testsuite/odr_header2.h: Defines OdrBase.
2414
2415 2011-03-09  Ian Lance Taylor  <iant@google.com>
2416
2417         * fileread.cc (File_read::clear_views): Don't delete the whole
2418         file view.
2419
2420 2011-03-08  Ian Lance Taylor  <iant@google.com>
2421
2422         PR gold/12525
2423         * fileread.cc: #include <climits>.
2424         (GOLD_IOV_MAX): Define.
2425         (File_read::read_multiple): Limit number of entries by iov_max.
2426         * fileread.h (class File_read): Always set max_readv_entries to
2427         128.
2428
2429 2011-03-07  Ian Lance Taylor  <iant@google.com>
2430
2431         PR gold/12525
2432         * options.h (class General_options): Add -dy and -dn.
2433
2434 2011-03-02  Cary Coutant  <ccoutant@google.com>
2435
2436         * testsuite/script_test_9.t: Add TLS segment.
2437
2438 2011-03-02  Simon Baldwin  <simonb@google.com>
2439
2440         * configure.ac: Add check for gnu_indirect_function support in
2441         the toolchain building binutils.
2442         * configure: Rebuild.
2443
2444 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2445
2446         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2447         plugin only symbols.
2448         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2449         in plugin files as not needed in the symbol table.
2450
2451 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2452
2453         * output.cc (Output_section::add_input_section): Delay fill
2454         generation for section ordering.
2455
2456 2011-02-09  Ian Lance Taylor  <iant@google.com>
2457
2458         PR gold/12316
2459         * object.h (class Sized_relobj): Remove clear_local_symbols.
2460         * reloc.cc (Sized_relobj::do_relocate): Don't call
2461         clear_local_symbols.
2462
2463 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2464
2465         * plugin.cc (is_visible_from_outside): Return true for symbols
2466         in the -u option.
2467
2468 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2469
2470         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2471         filename.
2472
2473 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2474
2475         * icf.h (is_section_foldable_candidate): Change type of parameter
2476         to std::string.
2477         * icf.cc (Icf::find_identical_sections): Change type of local variable
2478         section_name to be std::string.
2479         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2480
2481 2011-01-25  Ian Lance Taylor  <iant@google.com>
2482
2483         * script.cc (script_add_extern): Rewrite to use
2484         add_symbol_reference.
2485
2486 2011-01-25  Doug Kwan  <dougkwan@google.com>
2487
2488         * icf.cc (get_section_contents): Always lock section's object.
2489
2490 2011-01-24  Ian Lance Taylor  <iant@google.com>
2491
2492         * options.h (class General_options): Accept
2493         --no-detect-odr-violations.
2494
2495 2011-01-24  Ian Lance Taylor  <iant@google.com>
2496
2497         * version.cc (version_string): Bump to 1.11.
2498
2499 2011-01-24  Ian Lance Taylor  <iant@google.com>
2500
2501         * plugin.cc (class Plugin_rescan): Define new class.
2502         (Plugin_manager::claim_file): Set any_claimed_.
2503         (Plugin_manager::save_archive): New function.
2504         (Plugin_manager::save_input_group): New function.
2505         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2506         necessary.
2507         (Plugin_manager::new_undefined_symbol): New function.
2508         (Plugin_manager::rescan): New function.
2509         (Plugin_manager::rescannable_defines): New function.
2510         (Plugin_manager::add_input_file): Set any_added_.
2511         * plugin.h (class Plugin_manager): define new fields rescannable_,
2512         undefined_symbols_, any_claimed_, and any_added_.  Declare
2513         Plugin_rescan as friend.  Declare new functions.
2514         (Plugin_manager::Rescannable): Define type.
2515         (Plugin_manager::Rescannable_list): Define type.
2516         (Plugin_manager::Undefined_symbol_list): Define type.
2517         (Plugin_manager::Plugin_manager): Initialize new fields.
2518         * archive.cc (Archive::defines_symbol): New function.
2519         (Add_archive_symbols::run): Pass archive to plugins if any.
2520         * archive.h (class Archive): Declare defines_symbol.
2521         * readsyms.cc (Input_group::~Input_group): New function.
2522         (Finish_group::run): Pass input_group to plugins if any.
2523         * readsyms.h (class Input_group): Declare destructor.
2524         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2525         any.
2526
2527 2011-01-10  Ian Lance Taylor  <iant@google.com>
2528
2529         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2530         section as relro.
2531         (Layout::set_segment_offsets): Reset increase_relro before calling
2532         set_section_addresses a second time.
2533
2534 2011-01-04  Cary Coutant  <ccoutant@google.com>
2535
2536         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2537         sections before NOBITS sections.
2538
2539 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2540
2541         * version.cc (print_version): Update copyright to 2011.
2542
2543 2010-12-23  Cary Coutant  <ccoutant@google.com>
2544
2545         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2546         of OS to this->add.  Add OD parameter to second form of the function.
2547
2548 2010-12-20  Ian Lance Taylor  <iant@google.com>
2549
2550         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2551         second of two consecutive entries with same offset.
2552
2553 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2554
2555         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2556         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2557         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2558         to avoid unneeded links against $(LDADD).
2559         * testsuite/Makefile.in: Regenerate.
2560
2561 2010-12-15  Ian Lance Taylor  <iant@google.com>
2562
2563         PR gold/12324
2564         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2565         for R_X86_64_32 and R_X86_64_PC32.
2566         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2567         ver_matching_def_pic.o.
2568         (ver_matching_def_pic.o): New target.
2569
2570 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2571
2572         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2573         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2574         Move definition before File_read::View member definitions.
2575         (File_read::View::~View): Initialize and hold lock before
2576         updating current_mapped_bytes.
2577
2578 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2579
2580         * dwarf_reader.cc: Remove outdated comment.
2581         * gold-threads.cc: Fix typo in error message.
2582         * archive.cc: Fix typos in comments.
2583         * archive.h: Likewise.
2584         * arm-reloc-property.cc: Likewise.
2585         * arm-reloc-property.h: Likewise.
2586         * arm-reloc.def: Likewise.
2587         * arm.cc: Likewise.
2588         * attributes.h: Likewise.
2589         * cref.cc: Likewise.
2590         * ehframe.cc: Likewise.
2591         * fileread.h: Likewise.
2592         * gold.h: Likewise.
2593         * i386.cc: Likewise.
2594         * icf.cc: Likewise.
2595         * incremental.h: Likewise.
2596         * int_encoding.cc: Likewise.
2597         * layout.h: Likewise.
2598         * main.cc: Likewise.
2599         * merge.h: Likewise.
2600         * object.cc: Likewise.
2601         * object.h: Likewise.
2602         * options.cc: Likewise.
2603         * readsyms.cc: Likewise.
2604         * reduced_debug_output.cc: Likewise.
2605         * reloc.cc: Likewise.
2606         * script-sections.cc: Likewise.
2607         * sparc.cc: Likewise.
2608         * symtab.h: Likewise.
2609         * target-reloc.h: Likewise.
2610         * target.cc: Likewise.
2611         * target.h: Likewise.
2612         * timer.cc: Likewise.
2613         * timer.h: Likewise.
2614         * x86_64.cc: Likewise.
2615
2616 2010-12-09  Cary Coutant  <ccoutant@google.com>
2617
2618         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2619         stack.
2620         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2621         parameter; change all callers.
2622         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2623         * options.h (warn_execstack): New option.
2624
2625 2010-12-07  Doug Kwan  <dougkwan@google.com>
2626
2627         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2628         like function call relocations.
2629
2630 2010-12-07  Ian Lance Taylor  <iant@google.com>
2631
2632         * archive.cc (Archive::get_elf_object_for_member): Permit
2633         punconfigured to be NULL.
2634         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2635         (Archive::include_member): Pass NULL to get_elf_object_for_member
2636         if we searched for the archive and this is the first included
2637         object.
2638
2639 2010-12-01  Ian Lance Taylor  <iant@google.com>
2640
2641         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2642         track_relocs_type_ field.
2643         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2644         Set track_relocs_type_.
2645         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2646         contents when using RELA relocs.
2647         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2648         reloc_map_.
2649         * reloc.cc (Track_relocs::next_addend): New function.
2650         * reloc.h (class Track_relocs): Declare next_addend.
2651
2652 2010-12-01  Ian Lance Taylor  <iant@google.com>
2653
2654         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2655         virtual destructor.
2656
2657 2010-12-01  Ian Lance Taylor  <iant@google.com>
2658
2659         * README: Update compilers known to work and fail.
2660
2661 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2662
2663         * configure.in: For --enable-gold, handle value `default' instead of
2664         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2665         not the default.
2666         * configure: Regenerate.
2667
2668 2010-11-18  Doug Kwan  <dougkwan@google.com>
2669
2670         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2671         and right_alignment to be zero.  Store result alignment only if it is
2672         greater than existing alignment.
2673
2674 2010-11-16  Cary Coutant  <ccoutant@google.com>
2675
2676         PR gold/12220
2677         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2678         Check for ".zdebug_line".
2679
2680 2010-11-16  Doug Kwan  <dougkwan@google.com>
2681             Cary Coutant  <ccoutant@google.com>
2682
2683         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2684         by reference; adjust all callers.
2685         * output.cc (Output_segment::set_section_addresses): Adjust references
2686         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2687         list is empty.
2688         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2689         end at page boundary.
2690
2691 2010-11-16  Cary Coutant  <ccoutant@google.com>
2692
2693         PR gold/12220
2694         * layout.cc (Layout::choose_output_section): Transform names of
2695         compressed sections even when using a script with a SECTIONS clause.
2696         (Layout::output_section_name): Remove code to transform
2697         compressed debug section names.
2698         * output.cc (Output_section::add_input_section): Use uncompressed
2699         section size when tracking input sections.
2700
2701 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2702
2703         * symtab.h (Symbol::NON_PIC_REF): Remove.
2704         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2705         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2706         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2707         (Symbol::use_plt_offset): Take a flags argument and pass it
2708         directly to needs_dynamic_reloc.  Restrict check for undefined
2709         weak symbols to function calls.
2710         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2711         (Target_arm::Scan::global): Use it.
2712         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2713         (Target_arm::Relocate::relocate): Likewise.
2714         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2715         parameter with an r_type parameter.  Use get_reference_flags
2716         to get the flags.
2717         (Target_arm::Relocate::relocate): Update accordingly.
2718         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2719         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2720         (Target_i386::Scan::global): Likewise.
2721         (Target_i386::Relocate::relocate): Likewise.
2722         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2723         parameter with an r_type parameter.  Use get_reference_flags
2724         to get the flags.
2725         (Target_i386::Relocate::relocate): Update accordingly.
2726         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2727         (Target_powerpc::Scan::global): Use it.
2728         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2729         (Target_powerpc::Relocate::relocate): Likewise.
2730         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2731         (Target_sparc::Scan::global): Use it.
2732         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2733         (Target_sparc::Relocate::relocate): Likewise.
2734         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2735         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2736         (Target_x86_64::Scan::global): Likewise.
2737         (Target_x86_64::Relocate::relocate): Likewise.
2738
2739 2010-11-08  Doug Kwan  <dougkwan@google.com>
2740             Cary Coutant  <ccoutant@google.com>
2741
2742         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2743         (Arm_exidx_merge_section::section_contents_): New data member.
2744         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2745         (Arm_input_section::~Arm_input_section): De-allocate memory.
2746         (Arm_input_section::original_contents_): New data member.
2747         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2748         in parameters instead of calling Object::section_contents without
2749         locking.
2750         (Arm_output_section::group_section): New parameter TASK.  Pass it
2751         to callees that need locking objects.
2752         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2753         to lock EXIDX input sections.  Fix a formatting issue.  Call
2754         Arm_exidx_merged_section::build_contents to create merged section
2755         contents.
2756         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2757         to lock object of stub table owner.
2758         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2759         TEXT_SIZE to initialize data member TEXT_SIZE_.
2760         (Arm_exidx_input_section::addralign): Fix typo in comment.
2761         (Arm_exidx_input_section::text_size): New method.
2762         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2763         that require locking objects.  Lock objects before scanning for stubs
2764         and updating local symbols.
2765         (Arm_input_section<big_endian>::init): Copy contents of original
2766         input section.
2767         (Arm_input_section<big_endian>::do_write): Use saved contents of
2768         original input section instead of calling Object::section_contents
2769         without locking.
2770         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2771         size without calling Object::section_size().
2772         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2773         for size.  Allocate a buffer for merged EXIDX entries.
2774         (Arm_exidx_merged_section::build_contents): New method.
2775         (Arm_exidx_merged_section::do_write): Move merge section contents
2776         building code to Arm_exidx_merged_section::build_contetns.  Write
2777         out contetns in buffer instead of building it on the fly.
2778         (Arm_relobj::make_exidx_input_section): Also pass text section size
2779         to Arm_exidx_input_section constructor.
2780         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2781         (Arm_dynobj::do_read_symbols): Fix memory leak.
2782         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2783         * target.h: (class Task): Add forward declaration.
2784         (Target::relax): Add new parameter TASK and pass it to
2785         Target::do_relax().
2786         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2787
2788 2010-11-05  Cary Coutant  <ccoutant@google.com>
2789
2790         PR gold/10708
2791         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2792         object when reading from the file.
2793         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2794         second layout pass.
2795         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2796         when reading section contents.
2797         (get_section_contents): Likewise.
2798         (icf::find_identical_sections): Likewise.
2799         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2800         object when reading from the file.
2801         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2802         the object when doing deferred section layout.
2803
2804 2010-11-03  Nick Clifton  <nickc@redhat.com>
2805
2806         PR gold/12001
2807         * script.h (class Symbol_assignment: name): New member.  Returns
2808         the name of the symbol.
2809         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2810         Returns true if the given symbol name is on the list of
2811         assignments wating to be processed.
2812         * archive.cc (should_incldue_member): If the symbol is undefined,
2813         check to see if it is on the list of symbols pending assignment.
2814
2815 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2816
2817         * script-sections.cc (Script_sections::find_memory_region): Check
2818         for a NULL output section pointer.
2819
2820 2010-10-29  Doug Kwan  <dougkwan@google.com>
2821
2822         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2823         Output_section::add_relaxed_input_section.
2824         * output.cc (Output_section::add_relaxed_input_section): Add new
2825         arguments LAYOUT and NAME.  Set section order index.
2826         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2827         Copy section order index.
2828         * output.h (Output_section::add_relaxed_input_section): Add new
2829         arguments LAYOUT and NAME.
2830
2831 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2832
2833         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2834         NATIVE_OR_CROSS_LINKER.
2835         * testsuite/Makefile.in: Regenerate.
2836
2837 2010-10-20  Doug Kwan  <dougkwan@google.com>
2838
2839         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2840         without SHF_LINK_ORDER flags.
2841         * layout.cc (Layout::choose_output_section): Do not filter
2842         SHF_LINK_ORDER flag in a relocatable link.
2843
2844 2010-10-17  Cary Coutant  <ccoutant@google.com>
2845
2846         * output.h (Output_segment::set_section_addresses): Change function
2847         signature.  Update all callers.
2848         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2849         sections.
2850         (Output_segment::set_section_addresses): Align after last TLS
2851         section.  Add padding before last relro section instead of after.
2852
2853 2010-10-17  Doug Kwan  <dougkwan@google.com>
2854
2855         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2856         GOT output section to be writable.
2857
2858 2010-10-14  Cary Coutant  <ccoutant@google.com>
2859
2860         * debug.h (DEBUG_INCREMENTAL): New flag.
2861         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2862         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2863         mode.
2864         * incremental.cc (report_command_line): Ignore all forms of
2865         --incremental.
2866         * layout.cc (Layout::Layout): Check parameters for incremental link
2867         mode.
2868         * options.cc (General_options::parse_incremental): New function.
2869         (General_options::parse_no_incremental): New function.
2870         (General_options::parse_incremental_full): New function.
2871         (General_options::parse_incremental_update): New function.
2872         (General_options::incremental_mode_): New data member.
2873         (General_options::finalize): Check incremental_mode_.
2874         * options.h (General_options): Update help text for --incremental.
2875         Add --no-incremental, --incremental-full, --incremental-update.
2876         (General_options::Incremental_mode): New enum type.
2877         (General_options::incremental_mode): New function.
2878         (General_options::incremental_mode_): New data member.
2879         * parameters.cc (Parameters::incremental_mode_): New data member.
2880         (Parameters::set_options): Set incremental_mode_.
2881         (Parameters::set_incremental_full): New function.
2882         (Parameters::incremental): New function.
2883         (Parameters::incremental_update): New function.
2884         (set_parameters_incremental_full): New function.
2885         * parameters.h (Parameters::set_incremental_full): New function.
2886         (Parameters::incremental): New function.
2887         (Parameters::incremental_update): New function.
2888         (Parameters::incremental_mode_): New data member.
2889         (set_parameters_incremental_full): New function.
2890         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2891         incremental link mode.
2892         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2893         (Sized_relobj::do_relocate_sections): Likewise.
2894         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2895         option.
2896         * testsuite/Makefile.in: Regenerate.
2897         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2898
2899 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2900
2901         * script-sections.h (class Script_sections): Make
2902         Sections_elements typedef public.
2903         * script-sections.cc (class Sort_output_sections): Add elements_
2904         field.  Add constructor which sets it; change all callers.
2905         (Sort_output_sections::is_before): New function.
2906         (Sort_output_sections::operator()): Call is_before.
2907         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2908         conditional.
2909         * testsuite/script_test_10.sh: New test. Test script section
2910         order.
2911         * testsuite/script_test_10.t: Likewise.
2912         * testsuite/script_test_10.s: Likewise.
2913         * testsuite/Makefile.am: Wrap the cross linker tests and the
2914         common tests into NATIVE_OR_CROSS_LINKER.
2915         (check_SCRIPTS): Add script_test_10.sh.
2916         (check_DATA): Add script_test_10.stdout.
2917         (script_test_10.o, script_test_10): New targets.
2918         (script_test_10.stdout): New target.
2919         * configure, testsuite/Makefile.in: Regenerate.
2920
2921 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2922
2923         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2924         error for the deprecated relocations.
2925         (Target_arm::Scan::global): Likewise.
2926         (Target_arm::Relocate::relocate): Likewise.
2927
2928 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2929
2930         * fileread.cc (Input_file::find_file): Initialize *found_name
2931         and *namep when using the fallback search for case 4.
2932
2933 2010-10-11  Cary Coutant  <ccoutant@google.com>
2934
2935         * options.h (class General_options): Redefine -z lazy as an alias for
2936         the negation of -z now.
2937
2938 2010-10-11  Ian Lance Taylor  <iant@google.com>
2939
2940         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2941         binding.
2942
2943 2010-10-06  Nick Clifton  <nickc@redhat.com>
2944
2945         * script-sections.cc(class Memory_region): Remove
2946         current_lma_offset_ field.  Rename current_vma_offset_ to
2947         current_offset_.  Add last_section_ field.
2948         (Memory_region::get_current_vma_address): Rename to
2949         get_current_address.
2950         (Memory_region::get_current_lma_address): Delete.
2951         (Memory_region::increment_vma_offset): Rename to
2952         increment_offset.
2953         (Memory_region::increment_lma_offset): Delete.
2954         (Memory_region::attributes_compatible): New method.  Returns
2955         true if the provided section is compatible with the region.
2956         (Memory_region::get_last_section): New method.  Returns the last
2957         section to use the region.
2958         (Memory_region::set_last_section): New method.  Stores the last
2959         section to use the region.
2960         (Script_sections::block_in_region): New method.  Returns true if
2961         a block of memory is contained within a region.
2962         (Script_sections::find_memory_region): New method.  Locates a
2963         memory region to be used to set a VMA or LMA address.
2964         (Output_section_definition::set_section_addresses): Add code to
2965         check for addresses set by memory regions.
2966         (Output_segment::set_section_addresses): Remove memory region
2967         walking code.
2968         (Script_sections::create_segment): Add a warning if a header
2969         segment is created outside of any region.
2970         * script-sections.h (class Script_sections): Add prototypes for
2971         find_memory_region and block_in_region methods.
2972         * testsuite/memory_test.s: Use .long instead of .word.
2973         * testsuite/memory_test.t: Add some more output sections.
2974         * testsuite/memory_test.sh: Update expected output.
2975
2976 2010-10-02  Doug Kwan  <dougkwan@google.com>
2977
2978         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2979         defintion to symtab.h
2980         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2981         declaration to defintion.
2982
2983 2010-10-01  Nick Clifton  <nickc@redhat.com>
2984
2985         * expression.cc (eval): Replace dummy argument with NULL.
2986         (eval_maybe_dot): Check for a NULL result section pointer.
2987         (Symbol_expression::value): Likewise.
2988         (Dot_expression::value): Likewise.
2989         (BINARY_EXPRESSION): Likewise.
2990         (Max_expression::value): Likewise.
2991         (Min_expression::value): Likewise.
2992         (Absolute_expression::value): Likewise.
2993         (Addr_expression::value_from_output_section): Likewise.
2994         (Loaddddr_expression::value_from_output_section): Likewise.
2995         (Segment_start_expression::value): Likewise.
2996         * script-sections.cc
2997         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2998         argument with NULL.
2999         (Sections_elememt_dot_assignment::set_section_addresses):
3000         Likewise.
3001         (Output_data_expression::do_write_to_buffer): Likewise.
3002         (Output_section_definition::finalize_symbols): Likewise.
3003         (Output_section_definition::set_section_addresses): Likewise.
3004
3005 2010-09-30  Doug Kwan  <dougkwan@google.com>
3006
3007         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3008
3009 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3010
3011         * target.h (Target::can_icf_inline_merge_sections): New virtual
3012         function.
3013         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3014         virtual function.
3015         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3016         virtual function.
3017         * icf.cc (get_section_contents): Inline merge sections only when
3018         target allows it.
3019
3020 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3021
3022         * configure: Regenerate.
3023
3024 2010-09-17  Ian Lance Taylor  <iant@google.com>
3025
3026         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3027         * testsuite/Makefile.am (memory_test.o): New target.
3028         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3029         memory_test.t.
3030         * testsuite/Makefile.in: Rebuild.
3031
3032 2010-09-17  Doug Kwan  <dougkwan@google.com>
3033
3034         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3035         defintion if relocation uses GOT entries of the symbol.
3036         * testsuite/icf_safe_test.sh: Fix test.
3037         * testsuite/icf_safe_so_test.sh: Fix test.
3038
3039 2010-09-16  Cary Coutant  <ccoutant@google.com>
3040
3041         * script_sections.cc (class Memory_region): Remove "NULL" from
3042         vector initializations.
3043
3044 2010-09-15  Cary Coutant  <ccoutant@google.com>
3045
3046         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3047         Resolve forwarding symbols.
3048
3049 2010-09-15  Doug Kwan  <dougkwan@google.com>
3050
3051         * gold/testsuite/script_test_3.t: Add ARM special sections.
3052         * gold/testsuite/script_test_4.t: Same.
3053         * gold/testsuite/script_test_5.t: Same.
3054         * gold/testsuite/script_test_6.t: Same.
3055         * gold/testsuite/script_test_7.t: Same.
3056         * gold/testsuite/script_test_7.t: Same.
3057         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3058
3059 2010-09-14  Cary Coutant  <ccoutant@google.com>
3060
3061         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3062         (Target_x86_64::Relocate::relocate_tls): Replace check for
3063         saw_tls_block_reloc_ with test for executable section.
3064
3065 2010-09-12  Cary Coutant  <ccoutant@google.com>
3066
3067         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3068         position-independent executables to shared libraries need dynamic
3069         relocations.
3070         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3071         position-independent executables.
3072         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3073         * testsuite/Makefile.in: Regenerate.
3074
3075 2010-09-10  Nick Clifton  <nickc@redhat.com>
3076
3077         PR gold/11997
3078         * testsuite/memory_test.t: Discard any sections that are not
3079         needed.
3080
3081 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3082
3083         PR gold/11996
3084         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3085         "This::" to work around a bug in gcc 4.2.
3086
3087         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3088
3089 2010-09-09  Rafael Espindola  <espindola@google.com>
3090
3091         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3092         sections with different PF_X flags in the same segment.
3093         (Layout::find_first_load_seg): Search all segments to find the first
3094         one.
3095         * options.h (rosegment): New.
3096
3097 2010-09-08  Rafael Espindola  <espindola@google.com>
3098
3099         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3100
3101 2010-09-08  Doug Kwan  <dougkwan@google.com>
3102
3103         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3104         (Arm_relobj::do_relocate_sections): Add new parameter for output
3105         file to match the parent.
3106         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3107         of local symbols instead of input values.  Update code to track
3108         changes in gold::relocate_section.
3109         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3110         (Sized_relobj::compute_final_local_value_internal): New methods.
3111         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3112         body into private version of Sized_relobj::compute_final_local_value.
3113         Call the inline method.
3114         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3115         merged symbol value if there is one.
3116         (Symbol_value::has_output_value): New method defintiion.
3117         (Sized_relobj::Compute_final_local_value_status): New enum type.
3118         (Sized_relobj::compute_final_local_value): New methods.
3119         (Sized_relobj::compute_final_local_value_internal): New methods.
3120         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3121         and arm_cortex_a8.sh.
3122         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3123         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3124         New tests.
3125         * Makefile.in: Regenerate.
3126         * testsuite/arm_bl_out_of_range.s: Update test.
3127         * testsuite/thumb_bl_out_of_range.s: Ditto.
3128         * testsuite/thumb_blx_out_of_range.s: Ditto.
3129         * testsuite/arm_branch_out_of_range.sh: New file.
3130         * testsuite/arm_cortex_a8.sh: Ditto.
3131         * testsuite/arm_cortex_a8_b.s: Ditto.
3132         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3133         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3134         * testsuite/arm_cortex_a8_bl.s: Ditto.
3135         * testsuite/arm_cortex_a8_blx.s: Ditto.
3136         * testsuite/arm_cortex_a8_local.s: Ditto.
3137         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3138         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3139
3140 2010-09-08  Rafael Espindola  <espindola@google.com>
3141
3142         * Makefile.am (memory_test.stdout): Run readelf with -W.
3143         * Makefile.in: Regenerate.
3144         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3145         64 bit output.
3146
3147 2010-09-08  Rafael Espindola  <espindola@google.com>
3148
3149         * script-sections.cc (Script_sections::add_memory_region): Convert
3150         field precision to int.
3151         * script.cc (script_set_section_region, script_set_section_region):
3152         Convert field precision to int.
3153
3154 2010-09-08  Rafael Espindola  <espindola@google.com>
3155
3156         * arm.cc (do_finalize_sections): Create the __exidx_start and
3157         __exdix_end symbols even when the section is missing.
3158
3159 2010-09-08  Nick Clifton  <nickc@redhat.com>
3160
3161         * README: Remove claim that MEMORY is not supported.
3162         * expression.cc (script_exp_function_origin)
3163         (script_exp_function_length): Move from here to ...
3164         * script.cc: ... here.
3165         (script_set_section_region, script_add_memory)
3166         (script_parse_memory_attr, script_include_directive): New
3167         functions.
3168         * script-sections.cc
3169         (class Memory_region): New class.
3170         (class Output_section_definition): Add set_memory_region,
3171         set_section_vma, set_section_lma and get_section_name methods.
3172         (class Script_Sections): Add add_memory_region,
3173         find_memory_region, find_memory_region_origin,
3174         find_memory_region_length and set_memory_region methods.
3175         Have set_section_addresses method walk the list of set memory
3176         regions.
3177         Extend the print methos to display memory regions.
3178         * script-sections.h: Add prototypes for new methods.
3179         Add enum for MEMORY region attributes.
3180         * yyscript.y: Add support for parsing MEMORY regions.
3181         * script-c.h: Add prototypes for new functions.
3182         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3183         * testsuite/Makefile.in: Regenerate.
3184         * testsuite/memory_test.sh: New script.
3185         * testsuite/memory_test.s: New assembler source file.
3186         * testsuite/memory_test.t: New linker script.
3187
3188 2010-08-27  Doug Kwan  <dougkwan@google.com>
3189
3190         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3191         reference override an existing dynamic weak reference.
3192         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3193         * testsuite/Makefile.in: Regenerate.
3194         * testsuite/dyn_weak_ref.sh: New file.
3195         * testsuite/dyn_weak_ref_1.c: Ditto.
3196         * testsuite/dyn_weak_ref_2.c: Ditto.
3197
3198 2010-08-27  Ian Lance Taylor  <iant@google.com>
3199
3200         * incremental.h (class Incremental_input_entry): Add virtual
3201         destructor.
3202
3203 2010-08-27  Ian Lance Taylor  <iant@google.com>
3204
3205         * testsuite/start_lib_test_3.c: Mark t3 as used.
3206
3207 2010-08-27  Nick Clifton  <nickc@redhat.com>
3208
3209         * options.cc (version_script): Fix small typo in previous
3210         whitespace tidyup.
3211
3212 2010-08-25  Nick Clifton  <nickc@redhat.com>
3213
3214         * archive.cc: Formatting fixes: Remove whitespace between
3215         typename and following asterisk.  Remove whitespace between
3216         function name and opening parenthesis.
3217         * archive.h: Likewise.
3218         * arm.cc: Likewise.
3219         * attributes.cc: Likewise.
3220         * attributes.h: Likewise.
3221         * common.cc: Likewise.
3222         * copy-relocs.cc: Likewise.
3223         * dirsearch.h: Likewise.
3224         * dynobj.cc: Likewise.
3225         * ehframe.cc: Likewise.
3226         * ehframe.h: Likewise.
3227         * expression.cc: Likewise.
3228         * fileread.cc: Likewise.
3229         * fileread.h: Likewise.
3230         * gc.h: Likewise.
3231         * gold-threads.cc: Likewise.
3232         * gold.cc: Likewise.
3233         * i386.cc: Likewise.
3234         * icf.h: Likewise.
3235         * incremental-dump.cc: Likewise.
3236         * incremental.cc: Likewise.
3237         * layout.cc: Likewise.
3238         * layout.h: Likewise.
3239         * main.cc: Likewise.
3240         * merge.cc: Likewise.
3241         * merge.h: Likewise.
3242         * object.cc: Likewise.
3243         * object.h: Likewise.
3244         * options.cc: Likewise.
3245         * options.h: Likewise.
3246         * output.cc: Likewise.
3247         * output.h: Likewise.
3248         * plugin.cc: Likewise.
3249         * plugin.h: Likewise.
3250         * powerpc.cc: Likewise.
3251         * reloc.cc: Likewise.
3252         * script-c.h: Likewise.
3253         * script-sections.cc: Likewise.
3254         * script.cc: Likewise.
3255         * stringpool.cc: Likewise.
3256         * symtab.cc: Likewise.
3257         * symtab.h: Likewise.
3258         * target.cc: Likewise.
3259         * timer.cc: Likewise.
3260         * timer.h: Likewise.
3261         * version.cc: Likewise.
3262         * x86_64.cc: Likewise.
3263
3264 2010-08-24  Nick Clifton  <nickc@redhat.com>
3265
3266         PR 11899
3267         * layout.cc (segment_precedes): Sort segments by their physical
3268         addresses, if they have been set.
3269
3270 2010-08-23  Cary Coutant  <ccoutant@google.com>
3271
3272         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3273         symbols data.
3274         (Lib_group::include_member): Unlock object after deleting its
3275         symbols data.
3276         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3277         the bug fixed here.
3278
3279 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3280             Cary Coutant  <ccoutant@google.com>
3281
3282         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3283         constructor, and set_blocker.
3284         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3285         readsyms_blocker_.
3286         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3287         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3288         * testsuite/Makefile.am (start_lib_test): New test case.
3289         * testsuite/Makefile.in: Regenerate.
3290         * testsuite/start_lib_test_main.c: New file.
3291         * testsuite/start_lib_test_1.c: New file.
3292         * testsuite/start_lib_test_2.c: New file.
3293         * testsuite/start_lib_test_3.c: New file.
3294
3295 2010-08-19  Ian Lance Taylor  <iant@google.com>
3296
3297         * Makefile.in: Rebuild with automake 1.11.1.
3298         * aclocal.m4: Likewise.
3299         * testsuite/Makefile.in: Likewise.
3300
3301 2010-08-19  Ian Lance Taylor  <iant@google.com>
3302
3303         PR 10893
3304         * i386.cc (class Output_data_plt_i386): Update declarations.
3305         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3306         local_ifuncs_ fields.
3307         (Target_i386::do_plt_section_for_global): New function.
3308         (Target_i386::do_plt_section_for_local): New function.
3309         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3310         parameter; change all callers.  Initialize global_ifuncs_ and
3311         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3312         __rel_iplt_end.
3313         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3314         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3315         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3316         symbols.
3317         (Target_i386::make_plt_section): New function, broken out of
3318         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3319         (Target_i386::make_plt_entry): Call make_plt_section.
3320         (Target_i386::make_local_ifunc_plt_entry): New function.
3321         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3322         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3323         R_386_IRELATIVE to switch.
3324         (Target_i386::Scan::global): Likewise.
3325         (Target_i386::Relocate::relocate): Likewise.
3326         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3327         switch.
3328         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3329         (Target_x86_64::do_plt_section_for_global): New function.
3330         (Target_x86_64::do_plt_section_for_local): New function.
3331         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3332         parameter; change all callers.  If doing a static link define
3333         __rela_iplt_start and __rela_iplt_end.
3334         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3335         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3336         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3337         to point to .plt.
3338         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3339         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3340         switch.
3341         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3342         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3343         R_X86_64_IRELATIVE to switch.
3344         (Target_x86_64::Scan::global): Likewise.
3345         (Target_x86_64::Relocate::relocate): Likewise.
3346         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3347         switch.
3348         * target.h (class Target): Add plt_section_for_global and
3349         plt_section_for_local functions.  Add do_plt_section_for_global
3350         and do_plt_section_for_local virtual functions.
3351         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3352         clarifying comments.
3353         (Symbol::use_plt_offset): Handle IFUNC symbol.
3354         * object.cc (Sized_relobj::Sized_relobj): Initialize
3355         local_plt_offsets_.
3356         (Sized_relobj::local_has_plt_offset): New function.
3357         (Sized_relobj::local_plt_offset): New function.
3358         (Sized_relobj::set_local_plt_offset): New function.
3359         (Sized_relobj::do_count): Handle IFUNC symbol.
3360         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3361         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3362         is_ifunc_symbol functions.
3363         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3364         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3365         local_plt_offsets_ field.
3366         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3367         * output.h (class Output_section_data): Add non-const
3368         output_section function.
3369         (class Output_data_got): Update declarations.
3370         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3371         Add use_plt_offset parameter to global and local constructors.
3372         Change all callers.  Change local_sym_index_ field to 31 bits.
3373         Change GSYM_CODE and CONSTANT_CODE accordingly.
3374         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3375         doing a static link don't set sh_link field.
3376         (Output_data_got::Got_entry::write): Use PLT offset if
3377         appropriate.
3378         (Output_data_got::add_global_plt): New function.
3379         (Output_data_got::add_local_plt): New function.
3380         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3381         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3382         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3383         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3384         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3385         IFUNC conditional.
3386         * testsuite/ifunc-sel.h: New file.
3387         * testsuite/ifuncmain1.c: New file.
3388         * testsuite/ifuncmain1vis.c: New file.
3389         * testsuite/ifuncmod1.c: New file.
3390         * testsuite/ifuncdep2.c: New file.
3391         * testsuite/ifuncmain2.c: New file.
3392         * testsuite/ifuncmain3.c: New file.
3393         * testsuite/ifuncmod3.c: New file.
3394         * testsuite/ifuncmain4.c: New file.
3395         * testsuite/ifuncmain5.c: New file.
3396         * testsuite/ifuncmod5.c: New file.
3397         * testsuite/ifuncmain6pie.c: New file.
3398         * testsuite/ifuncmod6.c: New file.
3399         * testsuite/ifuncmain7.c: New file.
3400         * configure, testsuite/Makefile.in: Rebuild.
3401
3402 2010-08-18  Ian Lance Taylor  <iant@google.com>
3403
3404         * incremental.cc
3405         (Output_section_incremental_inputs::write_input_files): Add cast
3406         to avoid signed/unsigned comparison warning.
3407         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3408
3409 2010-08-12  Cary Coutant  <ccoutant@google.com>
3410
3411         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3412
3413 2010-08-13  Ian Lance Taylor  <iant@google.com>
3414
3415         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3416
3417 2010-08-12  Cary Coutant  <ccoutant@google.com>
3418             Doug Kwan  <dougkwan@google.com>
3419
3420         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3421         defintion overrides non-weak undef, remember that the original undef
3422         is not weak.
3423         * symtab.cc (Symbol_table::sized_write_global): For undef without
3424         an original weak binding, set binding to global in output.
3425         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3426         * testsuite/Makefile.in: Regenerate.
3427         * testsuite/strong_ref_weak_def.sh: New file.
3428         * testsuite/strong_ref_weak_def_1.c: Ditto.
3429         * testsuite/strong_ref_weak_def_2.c: Ditto.
3430
3431 2010-08-12  Cary Coutant  <ccoutant@google.com>
3432
3433         * testsuite/incremental_test.sh: Rewrite.
3434         * testsuite/incremental_test_1.c: Rewrite.
3435         * testsuite/incremental_test_2.c: Rewrite.
3436
3437 2010-08-12  Cary Coutant  <ccoutant@google.com>
3438
3439         * arm.cc (Target_arm::got_size): Add const.
3440         (Target_arm::got_entry_count): New function.
3441         (Target_arm::plt_entry_count): New function.
3442         (Target_arm::first_plt_entry_offset): New function.
3443         (Target_arm::plt_entry_size): New function.
3444         (Output_data_plt_arm::entry_count): New function.
3445         (Output_data_plt_arm::first_plt_entry_offset): New function.
3446         (Output_data_plt_arm::get_plt_entry_size): New function.
3447         * i386.cc (Target_i386::got_size): Add const.
3448         (Target_i386::got_entry_count): New function.
3449         (Target_i386::plt_entry_count): New function.
3450         (Target_i386::first_plt_entry_offset): New function.
3451         (Target_i386::plt_entry_size): New function.
3452         (Output_data_plt_i386::entry_count): New function.
3453         (Output_data_plt_i386::first_plt_entry_offset): New function.
3454         (Output_data_plt_i386::get_plt_entry_size): New function.
3455         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3456         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3457         * incremental.cc: Include target.h.
3458         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3459         parameter.  Adjust all callers.  Find incremental_got_plt section.
3460         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3461         section.
3462         (Output_section_incremental_inputs::set_final_data_size): Calculate
3463         size of incremental_got_plt section.
3464         (Output_section_incremental_inputs::do_write): Write the
3465         incremental_got_plt section.
3466         (Got_plt_view_info): New struct.
3467         (Local_got_offset_visitor): New class.
3468         (Global_got_offset_visitor): New class.
3469         (Global_symbol_visitor_got_plt): New class.
3470         (Output_section_incremental_inputs::write_got_plt): New function.
3471         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3472         Add parameter.  Adjust all callers.
3473         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3474         (Incremental_inputs::got_plt_section): New function.
3475         (Incremental_inputs::got_plt_section_): New data member.
3476         (Incremental_got_plt_reader): New class.
3477         * layout.cc (Layout::create_incremental_info_sections): Add the
3478         incremental_got_plt section.
3479         * object.h (Got_offset_list::get_list): New function.
3480         (Got offset_list::for_all_got_offsets): New function.
3481         (Sized_relobj::local_got_offset_list): New function.
3482         * powerpc.cc (Target_powerpc::got_size): Add const.
3483         (Target_powerpc::got_entry_count): New function.
3484         (Target_powerpc::plt_entry_count): New function.
3485         (Target_powerpc::first_plt_entry_offset): New function.
3486         (Target_powerpc::plt_entry_size): New function.
3487         (Output_data_plt_powerpc::entry_count): New function.
3488         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3489         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3490         * sparc.cc (Target_sparc::got_size): Add const.
3491         (Target_sparc::got_entry_count): New function.
3492         (Target_sparc::plt_entry_count): New function.
3493         (Target_sparc::first_plt_entry_offset): New function.
3494         (Target_sparc::plt_entry_size): New function.
3495         (Output_data_plt_sparc::entry_count): New function.
3496         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3497         (Output_data_plt_sparc::get_plt_entry_size): New function.
3498         * symtab.h (Symbol::got_offset_list): New function.
3499         (Symbol_table::for_all_symbols): New function.
3500         * target.h (Sized_target::got_entry_count): New function.
3501         (Sized_target::plt_entry_count): New function.
3502         (Sized_target::plt_entry_size): New function.
3503         * x86_64.cc (Target_x86_64::got_size): Add const.
3504         (Target_x86_64::got_entry_count): New function.
3505         (Target_x86_64::plt_entry_count): New function.
3506         (Target_x86_64::first_plt_entry_offset): New function.
3507         (Target_x86_64::plt_entry_size): New function.
3508         (Output_data_plt_x86_64::entry_count): New function.
3509         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3510         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3511
3512 2010-08-12  Cary Coutant  <ccoutant@google.com>
3513
3514         * archive.cc: Include incremental.h.
3515         (Archive::Archive): Initialize incremental_info_.
3516         (Archive::include_member): Record archive members in incremental info.
3517         (Add_archive_symbols::run): Record begin and end of an archive in
3518         incremental info.
3519         (Lib_group::include_member): Record objects in incremental info.
3520         * archive.h (Incremental_archive_entry): Forward declaration.
3521         (Archive::set_incremental_info): New member function.
3522         (Archive::incremental_info): New member function.
3523         (Archive::Unused_symbol_iterator): New class.
3524         (Archive::unused_symbols_begin): New member function.
3525         (Archive::unused_symbols_end): New member function.
3526         (Archive::incremental_info_): New data member.
3527         * incremental-dump.cc (find_input_containing_global): New function.
3528         (dump_incremental_inputs): Dump new incremental info sections.
3529         * incremental.cc: Include symtab.h.
3530         (Output_section_incremental_inputs): New class.
3531         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3532         new incremental info sections.
3533         (Sized_incremental_binary::do_check_inputs): Likewise.
3534         (Incremental_inputs::report_archive): Remove.
3535         (Incremental_inputs::report_archive_begin): New function.
3536         (Incremental_inputs::report_archive_end): New function.
3537         (Incremental_inputs::report_object): New function.
3538         (Incremental_inputs::finalize_inputs): Remove.
3539         (Incremental_inputs::report_input_section): New function.
3540         (Incremental_inputs::report_script): Rewrite.
3541         (Incremental_inputs::finalize): Do nothing but finalize string table.
3542         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3543         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3544         (Incremental_inputs::create_data_sections): New function.
3545         (Incremental_inputs::relocs_entsize): New function.
3546         (Output_section_incremental_inputs::set_final_data_size): New function.
3547         (Output_section_incremental_inputs::do_write): New function.
3548         (Output_section_incremental_inputs::write_header): New function.
3549         (Output_section_incremental_inputs::write_input_files): New function.
3550         (Output_section_incremental_inputs::write_info_blocks): New function.
3551         (Output_section_incremental_inputs::write_symtab): New function.
3552         * incremental.h (Incremental_script_entry): Forward declaration.
3553         (Incremental_object_entry): Forward declaration.
3554         (Incremental_archive_entry): Forward declaration.
3555         (Incremental_inputs): Forward declaration.
3556         (Incremental_inputs_header_data): Remove.
3557         (Incremental_inputs_header): Remove.
3558         (Incremental_inputs_header_write): Remove.
3559         (Incremental_inputs_entry_data): Remove.
3560         (Incremental_inputs_entry): Remove.
3561         (Incremental_inputs_entry_write): Remove.
3562         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3563         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3564         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3565         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3566         Likewise.
3567         (Incremental_input_entry): New class.
3568         (Incremental_script_entry): New class.
3569         (Incremental_object_entry): New class.
3570         (Incremental_archive_entry): New class.
3571         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3572         (Incremental_inputs::report_inputs): Remove.
3573         (Incremental_inputs::report_archive): Remove.
3574         (Incremental_inputs::report_archive_begin): New function.
3575         (Incremental_inputs::report_archive_end): New function.
3576         (Incremental_inputs::report_object): Change prototype.
3577         (Incremental_inputs::report_input_section): New function.
3578         (Incremental_inputs::report_script): Change prototype.
3579         (Incremental_inputs::get_reloc_count): New function.
3580         (Incremental_inputs::set_reloc_count): New function.
3581         (Incremental_inputs::create_data_sections): New function.
3582         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3583         (Incremental_inputs::inputs_section): New function.
3584         (Incremental_inputs::symtab_section): New function.
3585         (Incremental_inputs::relocs_section): New function.
3586         (Incremental_inputs::get_stringpool): Add const.
3587         (Incremental_inputs::command_line): Add const.
3588         (Incremental_inputs::inputs): Remove.
3589         (Incremental_inputs::command_line_key): New function.
3590         (Incremental_inputs::input_file_count): New function.
3591         (Incremental_inputs::input_files): New function.
3592         (Incremental_inputs::relocs_entsize): New function.
3593         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3594         (Incremental_inputs::finalize_inputs): Remove.
3595         (Incremental_inputs::Input_info): Remove.
3596         (Incremental_inputs::lock_): Remove.
3597         (Incremental_inputs::inputs_): Change type.
3598         (Incremental_inputs::inputs_map_): Remove.
3599         (Incremental_inputs::current_object_entry_): New data member.
3600         (Incremental_inputs::inputs_section_): New data member.
3601         (Incremental_inputs::symtab_section_): New data member.
3602         (Incremental_inputs::relocs_section_): New data member.
3603         (Incremental_inputs::reloc_count_): New data member.
3604         (Incremental_inputs_reader): New class.
3605         (Incremental_symtab_reader): New class.
3606         (Incremental_relocs_reader): New class.
3607         * layout.cc (Layout::finalize): Move finalization of incremental info
3608         and creation of incremental info sections to follow finalization of
3609         symbol table.  Set offsets for postprocessing sections.
3610         (Layout::create_incremental_info_sections): Call
3611         Incremental_inputs::create_data_sections.  Add incremental symtab
3612         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3613         sections to layout after input sections.
3614         * layout.h (struct Timespec): Forward declaration.
3615         (Layout::incremental_inputs): Add const.
3616         (Layout::create_incremental_info_sections): Add parameter.
3617         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3618         * object.cc: Include incremental.h.
3619         (Relobj::finalize_incremental_relocs): New function.
3620         (Sized_relobj::do_layout): Record input sections in incremental info.
3621         * object.h (Object::output_section): New function.
3622         (Object::output_section_offset): Moved from Relobj.
3623         (Object::get_incremental_reloc_base): New function.
3624         (Object::get_incremental_reloc_count): New function.
3625         (Object::do_output_section): New function.
3626         (Object::do_output_section_offset): Moved from Relobj.
3627         (Object::do_get_incremental_reloc_base): New function.
3628         (Object::do_get_incremental_reloc_count): New function.
3629         (Object::Object): Initialize new data members.
3630         (Relobj::output_section): Renamed do_output_section and moved to
3631         protected.
3632         (Relobj::output_section_offset): Moved to Object.
3633         (Relobj::do_get_incremental_reloc_base): New function.
3634         (Relobj::do_get_incremental_reloc_count): New function.
3635         (Relobj::allocate_incremental_reloc_counts): New function.
3636         (Relobj::count_incremental_reloc): New function.
3637         (Relobj::finalize_incremental_relocs): New function.
3638         (Relobj::next_incremental_reloc_index): New function.
3639         (Relobj::reloc_counts_): New data member.
3640         (Relobj::reloc_bases_): New data member.
3641         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3642         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3643         (Sized_relobj::incremental_relocs_scan): New function.
3644         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3645         (Sized_relobj::incremental_relocs_write): New function.
3646         (Sized_relobj::incremental_relocs_write_reltype): New function.
3647         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3648         incremental link.
3649         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3650         archives and object files elsewhere.
3651         (Add_symbols::run): Report object files here.
3652         (Finish_group::run): Report end of archive at end of group.
3653         * reloc.cc: Include layout.h, incremental.h.
3654         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3655         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3656         (Sized_relobj::incremental_relocs_scan): New function.
3657         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3658         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3659         (Sized_relobj::incremental_relocs_write): New function.
3660         (Sized_relobj::incremental_relocs_write_reltype): New function.
3661         * script.cc (read_input_script): Rewrite test for incremental link.
3662         Change call to Incremental_inputs::report_script.
3663         * symtab.h (Symbol_table::first_global_index): New function.
3664         (Symbol_table::output_count): New function.
3665
3666 2010-08-12  Doug Kwan  <dougkwan@google.com>
3667
3668         * arm.cc (Target_arm::merge_object_attributes): Check command line
3669         options --no-wchar-size-warning and --no-enum-size-warning.
3670         * options.h (General_options): Add ld-compatible options
3671         --no-enum-size-warning and --no-wchar-size-warning.
3672
3673 2010-08-04  Ian Lance Taylor  <iant@google.com>
3674
3675         * x86_64.cc (Target_x86_64::Scan::local): Use
3676         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3677         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3678         (Target_x86_64::Scan::global): Likewise.
3679         (Target_x86_64::Relocate::relocate): Likewise.
3680         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3681         Likewise.
3682
3683 2010-08-03  Cary Coutant  <ccoutant@google.com>
3684
3685         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3686         to reserve space in merged_strings vector. Keep total input size
3687         for stats.
3688         (Output_merge_string::do_print_merge_stats): Print total input size.
3689         * merge.h (Output_merge_string): Add input_size_ field.
3690         * stringpool.cc (Stringpool_template::string_length): Move
3691         implementations out of Stringpool_template class and place in
3692         stringpool.h.
3693         * stringpool.h (string_length): Move out of Stringpool_template.
3694
3695 2010-08-03  Ian Lance Taylor  <iant@google.com>
3696
3697         PR 11712
3698         * layout.cc (relaxation_loop_body): If address of load segment is
3699         set, adjust address to include headers if possible.
3700
3701 2010-08-03  Ian Lance Taylor  <iant@google.com>
3702
3703         * version.cc (version_string): Bump to 1.10.
3704
3705 2010-08-03  Ian Lance Taylor  <iant@google.com>
3706
3707         PR 11805
3708         * layout.h (enum Output_section_order): Define.
3709         (class Layout): Update declarations.
3710         * layout.cc (Layout::get_output_section): Add order parameter.
3711         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3712         is_first_non_relro parameters.  Change all callers.
3713         (Layout::choose_output_section): Likewise.
3714         (Layout::add_output_section_data): Likewise.
3715         (Layout::make_output_section): Likewise.  Set order.
3716         (Layout::default_section_order): New function.
3717         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3718         * output.cc (Output_section::Output_section): Initialize order_.
3719         Don't initialize deleted fields.
3720         (Output_segment::Output_segment): Don't initialize deleted
3721         fields.
3722         (Output_segment::add_output_section_to_load): New function
3723         replacing add_output_section.  Change all callers to call this or
3724         add_output_section_to_nonload.
3725         (Output_segment::add_output_section_to_nonload): New function.
3726         (Output_segment::remove_output_section): Rewrite.
3727         (Output_segment::add_initial_output_data): Likewise.
3728         (Output_segment::has_any_data_sections): Likewise.
3729         (Output_segment::is_first_section_relro): Likewise.
3730         (Output_segment::maximum_alignment): Likewise.
3731         (Output_segment::has_dynamic_reloc): New function replacing
3732         dynamic_reloc_count.  Change all callers.
3733         (Output_segment::has_dynamic_reloc_list): New function replacing
3734         dynamic_reloc_count_list.  Change all callers.
3735         (Output_segment::set_section_addresses): Rewrite.
3736         (Output_segment::set_offset): Rewrite.
3737         (Output_segment::find_first_and_last_list): Remove.
3738         (Output_segment::set_tls_offsets): Rewrite.
3739         (Output_segment::first_section_load_address): Likewise.
3740         (Output_segment::output_section_count): Likewise.
3741         (Output_segment::section_with_lowest_load_address): Likewise.
3742         (Output_segment::write_section_headers): Likewise.
3743         (Output_segment::print_sections_to_map): Likewise.
3744         * output.h (class Output_data): Remove dynamic_reloc_count_
3745         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3746         (Output_data::add_dynamic_reloc): Rewrite.
3747         (Output_data::has_dynamic_reloc): New function.
3748         (Output_data::dynamic_reloc_count): Remove.
3749         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3750         is_last_relro_, is_first_non_relro_, is_interp_,
3751         is_dynamic_linker_section_ fields.  Add order and set_order
3752         functions.  Remove is_relro_local, set_is_relro_local,
3753         is_last_relro, set_is_last_relro, is_first_non_relro,
3754         set_is_first_non_relro functions, is_interp, set_is_interp,
3755         is_dynamic_linker_section, and set_is_dynamic_linker_section
3756         functions.
3757         (class Output_segment): Change Output_data_list from std::list to
3758         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3759         output_bss_ fields.  Update declarations.
3760
3761 2010-08-02  Ian Lance Taylor  <iant@google.com>
3762
3763         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3764         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3765         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3766
3767 2010-08-02  Ian Lance Taylor  <iant@google.com>
3768
3769         PR 11855
3770         * script.cc (Script_options::Script_options): Initialize
3771         symbol_definitions_ and symbol_references_.
3772         (Script_options::add_symbol_assignment): Update
3773         symbol_definitions_ and symbol_references_.
3774         (Script_options::add_symbol_reference): New function.
3775         (script_symbol): New function.
3776         * script.h (class Script_options): Add symbol_definitions_ and
3777         symbol_references_ fields.
3778         (Script_options::referenced_const_iterator): New type.
3779         (Script_options::referenced_begin): New function.
3780         (Script_options::referenced_end): New function.
3781         (Script_options::is_referenced): New function.
3782         (Script_options::any_unreferenced): New function.
3783         * script-c.h (script_symbol): Declare.
3784         * yyscript.y (exp): Call script_symbol.
3785         * symtab.cc: Include "script.h".
3786         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3787         Change all callers.  Check symbols referenced by scripts.
3788         (Symbol_table::add_undefined_symbols_from_command_line): Add
3789         layout parameter.  Change all callers.
3790         (Symbol_table::do_add_undefined_symbols_from_command_line):
3791         Likewise.  Break out loop body.  Check symbols referenced by
3792         scripts.
3793         (Symbol_table::add_undefined_symbol_from_command_line): New
3794         function broken out of
3795         do_add_undefined_symbols_from_command_line.
3796         * symtab.h (class Symbol_table): Update declarations.
3797         * archive.cc: Include "layout.h".
3798         (Archive::should_include_member): Add layout parameter.  Change
3799         all callers.  Check for symbol mentioned in expression.
3800         * archive.h (class Archive): Update declaration.
3801         * object.cc (Sized_relobj::do_should_include_member): Add layout
3802         parameter.
3803         * object.h (Object::should_include_member): Add layout parameter.
3804         Change all callers.
3805         (Object::do_should_include_member): Add layout parameter.
3806         (class Sized_relobj): Update declaration.
3807         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3808         parameter.
3809         * dynobj.h (class Sized_dynobj): Update declaration.
3810         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3811         layout parameter.
3812         * plugin.h (class Sized_pluginobj): Update declaration.
3813
3814 2010-08-02  Ian Lance Taylor  <iant@google.com>
3815
3816         PR 11866
3817         * output.cc (Output_segment::set_offset): Search for the first and
3818         last sections rather than assuming that the list is in order.
3819         (Output_segment::find_first_and_last_list): New function.
3820         * output.h (class Output_segment): Update declarations.
3821         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3822         (relro_strip_test_SOURCES): New variable.
3823         (relro_strip_test_DEPENDENCIES): New variable.
3824         (relro_strip_test_LDFLAGS): New variable.
3825         (relro_strip_test_LDADD): New variable.
3826         (relro_strip_test.so): New target.
3827
3828 2010-08-02  Ian Lance Taylor  <iant@google.com>
3829
3830         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3831         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3832         (Target_i386::got_tlsdesc_section): New function.
3833         (Target_i386::got_section): Create space for GOT entries for
3834         TLSDESC relocations.
3835         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3836         R_386_TLS_GOTDESC.
3837         (Target_i386::Scan::global): Likewise.
3838         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3839         using TLSDESC GOT.
3840         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3841         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3842         (Target_x86_64::got_tlsdesc_section): New function.
3843         (Target_x86_64::got_section): Create space for GOT entries for
3844         TLSDESC relocations.
3845         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3846         R_386_TLS_GOTDESC.
3847         (Target_x86_64::Scan::global): Likewise.
3848         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3849         using TLSDESC GOT.
3850
3851 2010-08-02  Ian Lance Taylor  <iant@google.com>
3852
3853         * testsuite/final_layout.sh: Use dc to convert from hex to
3854         decimal.
3855
3856 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3857
3858         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3859         paramter to the call to gold::gc_process_relocs.
3860         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3861         paramter to the call to gold::gc_process_relocs.
3862         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3863         parameter to the call to gold::gc_process_relocs.
3864         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3865         template parameter to the call to gold::gc_process_relocs.
3866         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3867         paramter to the call to gold::gc_process_relocs.
3868         * gc.h (get_embedded_addend_size): New function.
3869         (gc_process_relocs): Save the size of the reloc for use by ICF.
3870         * icf.cc (get_section_contents): Get the addend from the text section
3871         for SHT_REL relocation sections.
3872         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3873         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3874         * int_encoding.h (read_from_pointer): New overloaded function.
3875         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3876         * testsuite/icf_sht_rel_addend_test.sh: New file.
3877         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3878         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3879
3880 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3881
3882         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3883         * Makefile.in: Regenerate.
3884         * testsuite/Makefile.in: Regenerate.
3885
3886 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3887
3888         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3889         * gold/testsuite/debug_msg.cc: Likewise.
3890         * gold/testsuite/odr_violation1.cc
3891         * gold/testsuite/odr_violation2.cc
3892
3893 2010-07-21  Cary Coutant  <ccoutant@google.com>
3894
3895         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3896         string, and length fields.
3897         (Output_merge_string::Merged_strings_list): New type.
3898         (Output_merge_string::Merged_strings_lists): New typedef.
3899         (Output_merge_string): Replace merged_strings_ with
3900         merged_strings_lists_.
3901         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3902         Merged_strings_list per input object and section.  Don't store pointer
3903         to the string.  Don't store length with each merged string entry.
3904         (Output_merge_string::finalize_merged_data): Loop over list of merged
3905         strings lists.  Recompute length of each merged string.
3906
3907 2010-07-15  Cary Coutant  <ccoutant@google.com>
3908
3909         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3910         here.
3911
3912 2010-07-14  Ian Lance Taylor  <iant@google.com>
3913
3914         * descriptors.cc (Descriptors::open): Report correct name in error
3915         message.
3916
3917 2010-07-13  Doug Kwan  <dougkwan@google.com>
3918
3919         * arm.cc (Arm_input_section::Arm_input_section): For a
3920         SHT_ARM_EXIDX section, always keeps the input sections.
3921         (Arm_input_section::set_exidx_section_link): New method.
3922         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3923         has_errors_ to false.
3924         (Arm_exidx_input_section::has_errors,
3925         Arm_exidx_input_section::set_has_errors): New methods.
3926         (Arm_exidx_input_section::has_errors_): New data member.
3927         (Arm_relobj::get_exidx_shndx_list): New method.
3928         (Arm_output_section::append_text_sections_to_list): Do not skip
3929         section without SHF_EXECINSTR.
3930         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3931         errors.
3932         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3933         section header.  Make error messages more verbose.  Check for
3934         a non-executable section linked to an EXIDX section.
3935         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3936         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3937         check that there is no deferred EXIDX section if we exit early.
3938         Instead of not making an EXIDX section in case of an error, make one
3939         and set the has_errors flag of it.
3940         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3941         in a relocatable link.
3942         (Target_arm::do_relax): Look for the EXIDX output section instead of
3943         assuming that it is called .ARM.exidx.
3944         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3945         section list.  Do not check for SHF_EXECINSTR section flags but
3946         skip any input section with errors.
3947         * output.cc (Output_section::Output_section): Initialize
3948         always_keeps_input_sections_ to false.
3949         (Output_section::add_input_section): Check for
3950         always_keeps_input_sections_.
3951         *  output.h (Output_section::always_keeps_input_sections,
3952         Output_section::set_always_keeps_input_sections): New methods.
3953         (Output_section::always_keeps_input_sections): New data member.
3954
3955 2010-07-13  Rafael Espindola  <espindola@google.com>
3956
3957         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3958         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3959
3960 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3961             Ian Lance Taylor  <iant@google.com>
3962
3963         * output.h (Output_section_lookup_maps::add_merge_section):
3964         Correct check of whether value was inserted.
3965         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3966         (Output_section_lookup_maps::add_relaxed_input_section):
3967         Likewise.
3968         * arm.cc (Target_arm::got_section): Remove used local os.
3969         * i386.cc (Target_i386::got_section): Likewise.
3970         * x86_64.cc (Target_x86_64::got_section): Likewise.
3971         * sparc.cc (Target_sparc::got_section): Likewise.
3972         (Target_sparc::relocate): Remove unused local have_got_offset.
3973         * powerpc.cc (Target_powerpc::relocate): Likewise.
3974
3975 2010-07-13  Ian Lance Taylor  <iant@google.com>
3976
3977         * compressed_output.cc (zlib_decompress): Fix signature in
3978         !HAVE_ZLIB_H case.
3979
3980         * archive.cc (Archive::include_member): Unlock an external member
3981         of a thin archive.  Don't bother to delete an object we know is
3982         NULL.
3983
3984 2010-07-12  Cary Coutant  <ccoutant@google.com>
3985
3986         * compressed_output.cc (zlib_decompress): New function.
3987         (get_uncompressed_size): New function.
3988         (decompress_input_section): New function.
3989         * compressed_output.h (get_uncompressed_size): New function.
3990         (decompress_input_section): New function.
3991         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3992         Handle compressed debug sections.
3993         * layout.cc (is_compressed_debug_section): New function.
3994         (Layout::output_section_name): Map compressed section names to
3995         canonical names.
3996         * layout.h (is_compressed_debug_section): New function.
3997         (is_debug_info_section): Recognize compressed debug sections.
3998         * merge.cc: Include compressed_output.h.
3999         (Output_merge_data::do_add_input_section): Handle compressed
4000         debug sections.
4001         (Output_merge_string::do_add_input_section): Handle compressed
4002         debug sections.
4003         * object.cc: Include compressed_output.h.
4004         (Sized_relobj::Sized_relobj): Initialize new data members.
4005         (build_compressed_section_map): New function.
4006         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4007         * object.h (Object::section_is_compressed): New method.
4008         (Object::do_section_is_compressed): New method.
4009         (Sized_relobj::Compressed_section_map): New type.
4010         (Sized_relobj::do_section_is_compressed): New method.
4011         (Sized_relobj::compressed_sections_): New data member.
4012         * output.cc (Output_section::add_input_section): Handle compressed
4013         debug sections.
4014         * reloc.cc: Include compressed_output.h.
4015         (Sized_relobj::write_sections): Handle compressed debug sections.
4016
4017 2010-07-08  Cary Coutant  <ccoutant@google.com>
4018
4019         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4020         weak when resolving to a dynamic def.
4021         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4022         for weak undef/dynamic def cases. Adjust callers.
4023         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4024         undef_binding_weak_.
4025         (Symbol_table::sized_write_globals): Adjust symbol binding.
4026         (Symbol_table::sized_write_symbol): Add binding parameter.
4027         * symtab.h (Symbol::set_undef_binding): New method.
4028         (Symbol::is_undef_binding_weak): New method.
4029         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4030         (Symbol_table::should_override): Add new parameter.
4031         (Symbol_table::sized_write_symbol): Add new parameter.
4032
4033         * testsuite/weak_undef_file1.cc: Add new test case.
4034         * testsuite/weak_undef_file2.cc: Fix header comment.
4035         * testsuite/weak_undef_test.cc: Add new test case.
4036
4037 2010-06-29  Doug Kwan  <dougkwan@google.com>
4038
4039         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4040         Initialize USE_SYMBOL_.
4041         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4042         definition.
4043         (Arm_reloc_property::uses_symbol_): New data member declaration.
4044         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4045         uses symbol value and symbol is undefined but not weakly undefined.
4046
4047 2010-06-28  Rafael Espindola  <espindola@google.com>
4048
4049         * plugin.cc (Plugin::load): Use dlerror.
4050
4051 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4052
4053         * symtab.cc (detect_odr_violations): When reporting an ODR
4054         violation, report an object where the symbol is defined.
4055
4056 2010-06-25  Doug Kwan  <dougkwan@google.com>
4057
4058         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4059         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4060         definition.
4061         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4062         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4063         target hook to detect function points.
4064         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4065         * icf.h (Icf::check_section_for_function_pointers): Change type of
4066         parameter SECTION_NAME to const reference to std::string.  Use
4067         target hook to determine if section may have unsafe pointers.
4068         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4069         method definition.
4070
4071 2010-06-21  Rafael Espindola  <espindola@google.com>
4072
4073         * fileread.cc (Input_file::find_fie): New
4074         (Input_file::open): Use Input_file::find_fie.
4075         * fileread.h (Input_file::find_fie): New
4076         * plugin.cc (set_extra_library_path): New.
4077         (Plugin::load): Add set_extra_library_path to the transfer vector.
4078         (Plugin_manager::set_extra_library_path): New.
4079         (Plugin_manager::add_input_file): Use the extra search path if set.
4080         (set_extra_library_path(): New.
4081         * plugin.h (Plugin_manager): Add set_extra_library_path and
4082         extra_search_path_.
4083
4084 2010-06-19  Cary Coutant  <ccoutant@google.com>
4085
4086         * layout.cc (gdb_sections): Add .debug_types.
4087         (lines_only_debug_sections): Likewise.
4088
4089 2010-06-18  Rafael Espindola  <espindola@google.com>
4090
4091         * plugin.cc (add_input_file,add_input_library)
4092         (Plugin_manager::add_input_file): Make filename arguments const.
4093         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4094         const.
4095
4096 2010-06-16  Doug Kwan  <dougkwan@google.com>
4097
4098         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4099         .ARM.attributes section if we have not merged any input
4100         attributes sections.
4101
4102 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4103
4104         * arm.cc: Allow combining objects with no EABI version
4105         information.
4106
4107 2010-06-15  Rafael Espindola  <espindola@google.com>
4108
4109         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4110
4111 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4112
4113         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4114         (struct iovec): Correct !HAVE_READV definition.
4115
4116 2010-06-10  Cary Coutant  <ccoutant@google.com>
4117
4118         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4119         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4120         reloc sections.
4121         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4122
4123         PR 11683
4124         * symtab.h (Symbol::is_placeholder): New member function.
4125         * target-reloc.h (relocate_section): Check for placeholder symbols.
4126
4127         * testsuite/Makefile.am (plugin_test_8): New test.
4128         (plugin_test_9): New test.
4129         * testsuite/Makefile.in: Regenerate.
4130
4131 2010-06-09  Nick Clifton  <nickc@redhat.com>
4132
4133         * yyscript.y (input_list_element): Allow strings prefixed with
4134         the '-' character.  Treat these as libraries.
4135         * script.cc (script_add_library): New function.  Adds a library
4136         specified by "-l<name>" found in an input script.
4137         * script-c.h: Add prototype for script_add_library.
4138
4139 2010-06-07  Doug Kwan  <dougkwan@google.com>
4140
4141         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4142         Restrict stub-group size to be within long conditional branch
4143         range when working around cortex-A8 erratum.
4144
4145 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4146
4147         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4148         #ifdef typo.
4149
4150 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4151
4152         PR gold/11658
4153         * output.cc
4154         (Output_section::Input_section_sort_entry::compare_section_ordering):
4155         Change to return non-zero correctly.
4156         (Output_section::Input_section_sort_section_order_index_compare
4157         ::operator()): Change to fix ambiguity in comparisons.
4158
4159 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4160
4161         * gold.h (is_wildcard_string): New function.
4162         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4163         (Layout::layout_eh_frame): Ditto.
4164         (Layout::find_section_order_index): New method.
4165         (Layout::read_layout_from_file): New method.
4166         * layout.h (Layout::find_section_order_index): New method.
4167         (Layout::read_layout_from_file): New method.
4168         (Layout::input_section_position_): New private member.
4169         (Layout::input_section_glob_): New private member.
4170         * main.cc (main): Call read_layout_from_file here.
4171         * options.h (--section-ordering-file): New option.
4172         * output.cc (Output_section::input_section_order_specified_): New
4173         member.
4174         (Output_section::Output_section): Initialize new member.
4175         (Output_section::add_input_section): Add new parameter.
4176         Keep input sections when --section-ordering-file is used.
4177         (Output_section::set_final_data_size): Sort input sections when
4178         section ordering file is specified.
4179         (Output_section::Input_section_sort_entry): Add new parameter.
4180         Check sorting type.
4181         (Output_section::Input_section_sort_entry::compare_section_ordering):
4182         New method.
4183         (Output_section::Input_section_sort_compare::operator()): Change to
4184         consider section_order_index.
4185         (Output_section::Input_section_sort_init_fini_compare::operator()):
4186         Change to consider section_order_index.
4187         (Output_section::Input_section_sort_section_order_index_compare
4188         ::operator()): New method.
4189         (Output_section::sort_attached_input_sections): Change to sort
4190         according to section order when specified.
4191         (Output_section::add_input_section<32, true>): Add new parameter.
4192         (Output_section::add_input_section<64, true>): Add new parameter.
4193         (Output_section::add_input_section<32, false>): Add new parameter.
4194         (Output_section::add_input_section<64, false>): Add new parameter.
4195         * output.h (Output_section::add_input_section): Add new parameter.
4196         (Output_section::input_section_order_specified): New
4197         method.
4198         (Output_section::set_input_section_order_specified): New method.
4199         (Input_section::Input_section): Initialize section_order_index_.
4200         (Input_section::section_order_index): New method.
4201         (Input_section::set_section_order_index): New method.
4202         (Input_section::section_order_index_): New member.
4203         (Input_section::Input_section_sort_section_order_index_compare): New
4204         struct.
4205         (Output_section::input_section_order_specified_): New member.
4206         * script-sections.cc (is_wildcard_string): Delete and move modified
4207         method to gold.h.
4208         (Output_section_element_input::Output_section_element_input): Modify
4209         call to is_wildcard_string.
4210         (Output_section_element_input::Input_section_pattern
4211         ::Input_section_pattern): Ditto.
4212         (Output_section_element_input::Output_section_element_input): Ditto.
4213         * testsuite/Makefile.am (final_layout): New test case.
4214         * testsuite/Makefile.in: Regenerate.
4215         * testsuite/final_layout.cc: New file.
4216         * testsuite/final_layout.sh: New file.
4217
4218 2010-06-01  Rafael Espindola  <espindola@google.com>
4219
4220         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4221
4222 2010-06-01  Rafael Espindola  <espindola@google.com>
4223
4224         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4225         visibility of symbols.
4226
4227 2010-05-27  Doug Kwan  <dougkwan@google.com>
4228
4229         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4230         from start of output section instead of address for a local symbol
4231         in a merged or relaxed section when doing a relocatable link.
4232
4233 2010-05-26  Rafael Espindola  <espindola@google.com>
4234
4235        PR 11604
4236         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4237         adding sections the garbage collector removed.
4238         * gold/testsuite/Makefile.am: Add test.
4239         * gold/testsuite/Makefile.in: Regenerate.
4240         * gold/testsuite/plugin_test_7.sh: New.
4241         * gold/testsuite/plugin_test_7_1.c: New.
4242         * gold/testsuite/plugin_test_7_2.c: New.
4243
4244 2010-05-26  Rafael Espindola  <espindola@google.com>
4245
4246         * script-sections.cc (Output_section_definition::set_section_addresses):
4247         Check for --section-start.
4248
4249 2010-05-26  Doug Kwan  <dougkwan@google.com>
4250
4251         * arm.cc (Arm_scan_relocatable_relocs): New class.
4252         (Target_arm::relocate_special_relocatable): New method.
4253         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4254         (Arm_relocate_functions::thumb_branch_common): Same.
4255         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4256         instead of Default_scan_relocatable_relocs.
4257         * target-reloc.h (relocate_for_relocatable): Let target handle
4258         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4259         * target.h (Sized_target::relocate_special_relocatable): New method.
4260
4261 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4262
4263         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4264
4265 2010-05-23  Doug Kwan  <dougkwan@google.com>
4266
4267         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4268         instead of a cast.
4269         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4270         with a direct branch, not a conditional branch, to a stub.
4271         * merge.cc (Output_merge_base::record_input_section): New method
4272         defintion.
4273         (Output_merge_data::do_add_input_section): Record input section if
4274         keeps-input-sections flag is set.
4275         (Output_merge_string::do_add_input_section): Ditto.
4276         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4277         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4278         INPUT_SECTIONS_.
4279         (Output_merge_base::keeps_input_sections,
4280         Output_merge_base::set_keeps_input_sections,
4281         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4282         method definitions.
4283         (Output_merge_base::Input_sections): New type declaration.
4284         (Output_merge_base::input_sections_begin,
4285         Output_merge_base::input_sections_end,
4286         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4287         (Output_merge_base::bool keeps_input_sections_,
4288         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4289         Output_merge_base::input_sections_): New data members.
4290         (Output_merge_data::do_set_keeps_input_sections): New method
4291         defintion.
4292         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4293         * output.cc (Output_section::Input_section::relobj): Move method
4294         defintion from class declaration to here and handle merge sections.
4295         (Output_section::Input_section::shndx): Ditto.
4296         (Output_section::Output_section): Remove initializations of removed
4297         data members and initialize new data member LOOKUP_MAPS_.
4298         (Output_section::add_input_section): Set keeps-input-sections flag
4299         for a newly created merge output section as appropriate.  Adjust code
4300         to use Output_section_lookup_maps class.
4301         (Output_section::add_relaxed_input_section): Adjst code for lookup
4302         maps code refactoring.
4303         (Output_section::add_merge_input_section): Add a new parameter
4304         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4305         class.  If adding input section to a newly created merge output
4306         section fails, remove the new merge section.
4307         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4308         Adjust code for use of the Output_section_lookup_maps class.
4309         (Output_section::find_merge_section): Ditto.
4310         (Output_section::build_lookup_maps): New method defintion.
4311         (Output_section::find_relaxed_input_section): Adjust code to use
4312         Output_section_lookup_maps class.
4313         (Output_section::get_input_sections): Export merge sections.  Adjust
4314         code to use Output_section_lookup_maps class.
4315         (Output_section:::add_script_input_section): Adjust code to use
4316         Output_section_lookup_maps class.  Update lookup maps for merge
4317         sections also.
4318         (Output_section::discard_states): Use Output_section_lookup_maps.
4319         (Output_section::restore_states): Same.
4320         * output.h (Merge_section_properties): Move class defintion out of
4321         Output_section.
4322         (Output_section_lookup_maps): New class.
4323         (Output_section::Input_section::is_merge_section): New method
4324         defintion.
4325         (Output_section::Input_section::relobj): Move defintion out of class
4326         defintion.  Declare method only.
4327         (Output_section::Input_section::shndx): Ditto.
4328         (Output_section::Input_section::output_merge_base): New method defintion.
4329         (Output_section::Input_section::u2_.pomb): New union field.
4330         (Output_section::Merge_section_by_properties_map,
4331         Output_section::Output_section_data_by_input_section_map,
4332         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4333         Remove types.
4334         (Output_section::add_merge_input_section): Add new parameter
4335         KEEPS_INPUT_SECTIONS.
4336         (Output_section::build_lookup_maps): New method declaration.
4337         (Output_section::merge_section_map_,
4338         Output_section::merge_section_by_properties_map_,
4339         Output_section::relaxed_input_section_map_,
4340         Output_section::is_relaxed_input_section_map_valid_): Remove data
4341         members.
4342         (Output_section::lookup_maps_): New data member.
4343
4344 2010-05-21  Doug Kwan  <dougkwan@google.com>
4345
4346         PR gold/11619
4347         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4348         avoid a compilation error.
4349
4350 2010-05-19  Rafael Espindola  <espindola@google.com>
4351
4352         * script-sections.cc (Output_section_definition::allocate_to_segment):
4353         Update the phdrs_list even when the output section is NULL.
4354         * testsuite/Makefile.am: Add test.
4355         * testsuite/Makefile.in: Regenerate.
4356         * testsuite/script_test_9.cc: New.
4357         * testsuite/script_test_9.sh: New.
4358         * testsuite/script_test_9.t: New.
4359
4360 2010-05-19  Doug Kwan  <dougkwan@google.com>
4361
4362         * arm.cc (Arm_input_section::original_size): New method.
4363         (Arm_input_section::do_addralign): Add a cast.
4364         (Arm_input_section::do_output_offset): Remove static cast.
4365         (Arm_input_section::original_addralign,
4366          Arm_input_section::original_size_): Change type to uint32_t.
4367         (Arm_input_section::init): Add safe casts for section alignment
4368         and size.
4369         (Arm_input_section::set_final_data_size): Do not set address and
4370         offset of stub table.
4371         (Arm_output_section::fix_exidx_coverage): Change use of of
4372         Output_section::Simple_input_section to that of
4373         Output_section::Input_section.
4374         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4375         except for the first pass.
4376         * output.cc (Output_section::get_input_sections): Change type of
4377         input_sections to std::list<Input_section>.
4378         (Output_section::add_script_input_section): Rename from
4379         Output_section::add_simple_input_section.  Change type of SIS
4380         parameter from Simple_input_section to Input_section.
4381         * output.h (Output_section::Simple_input_section): Remove class.
4382         (Output_section::Input_section): Change class visibility to public.
4383         (Output_section::Input_section::addralign): Use stored alignments
4384         for special input sections if set.
4385         (Output_section::Input_section::set_addralign): New method.
4386         (Output_section::get_input_sections): Change parameter type from
4387         list of Simple_input_section to list of Input_section.
4388         (Output_section::add_script_input_section): Rename from
4389         Output_section::add_simple_input_section. Change first parameter's
4390         type from Simple_input_section to Input_section and remove the
4391         second and third parameters.
4392         * script-sections.cc (Input_section::Input_section_list): Change
4393         type to list of Output_section::Input_section/
4394         (Input_section_info::Input_section_info): Change parameter type of
4395         INPUT_SECTION to Output_section::Input_section.
4396         (Input_section_info::input_section): Change return type.
4397         (Input_section_info::input_section_): Change type to
4398         Output_section::Input_section.
4399         (Output_section_element_input::set_section_addresses): Adjust code
4400         to use Output_section::Input_section instead of
4401         Output_section::Simple_input_section.  Adjust code for renaming
4402         of Output_section::add_simple_input_section.
4403         (Orphan_output_section::set_section_addresses): Ditto.
4404
4405 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4406
4407         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4408         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4409
4410 2010-05-18  Rafael Espindola  <espindola@google.com>
4411
4412         * options.cc (General_options::finalize): Handle -nostdlib.
4413         * options.h (nostdlib): New option.
4414         * script.cc (script_add_search_dir): Handle -nostdlib.
4415
4416 2010-05-12  Doug Kwan  <dougkwan@google.com>
4417
4418         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4419         attributes section only if there no attributes section after merging.
4420         (Target_arm::merge_object_attributes): Move value of
4421         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4422         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4423         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4424         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4425         and arm_attr_merge_7.stdout.
4426         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4427         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4428         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4429         arm_attr_merge_7b.o): New rules.
4430         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4431         arm_attr_merge_7
4432         * testsuite/Makefile.in: Regenerate.
4433         * testsuite/arm_attr_merge.sh: New file.
4434         * testsuite/arm_attr_merge_[67][ab].s: Same.
4435
4436 2010-05-05  Nick Clifton  <nickc@redhat.com>
4437
4438         * po/es.po: Updated Spanish translation.
4439
4440 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4441
4442         * Makefile.am (install-exec-local): Properly install gold as
4443         default cross linker.
4444         * Makefile.in: Regenerated.
4445
4446 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4447             Nick Clifton  <nickc@redhat.com>
4448
4449         * configure.ac (install_as_default): Define and set to false
4450         unless --enable-gold or --enable-gold=both/gold has been
4451         specified.
4452         * configure: Regenerate.
4453
4454         * Makefile.am (install-exec-local): Install the executable as
4455         'ld.gold'.  If install_as_default is true then also install it as
4456         'ld'.
4457         * Makefile.in: Regenerated.
4458
4459 2010-04-24  Ian Lance Taylor  <iant@google.com>
4460
4461         * layout.cc (Layout::layout_reloc): In relocatable link don't
4462         combine reloc sections for grouped sections.
4463
4464 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4465
4466         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4467         sections that are not ordinary to icf.
4468         * icf.cc (get_section_contents): Handle relocation pointing to section
4469         with no object or shndx information.
4470         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4471         * testsuite/Makefile.in: Regenerate.
4472         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4473         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4474
4475 2010-04-22  Ian Lance Taylor  <iant@google.com>
4476
4477         * expression.cc (Expression::Expression_eval_info): Add
4478         result_alignment_pointer field.
4479         (Expression::eval_with_dot): Add result_alignment_pointer
4480         parameter.  Change all callers.
4481         (Expression::eval_maybe_dot): Likewise.
4482         (class Binary_expression): Add alignment_pointer parameter to
4483         left_value and right_value.  Change all callers.
4484         (BINARY_EXPRESSION): Set result alignment.
4485         (class Trinary_expression): Add alignment_pointer parameter to
4486         arg2_value and arg3_value.  Change all callers.
4487         (Trinary_cond::value): Set result alignment.
4488         (Max_expression::value, Min_expression::value): Likewise.
4489         (Align_expression::value): Likewise.
4490         * script-sections.cc (class Sections_element): Add dot_alignment
4491         parameter to set_section_addresses virtual function.  Update
4492         instantiations.
4493         (class Output_section_element): Likewise.
4494         (Script_sections::create_segments): Add dot_alignment parameter.
4495         Change all callers.
4496         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4497         (Script_sections::set_phdrs_clause_addresses): Likewise.
4498         * script-sections.h: Update declarations.
4499         * script.h: Update declarations.
4500         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4501         min_p_align.
4502         * testsuite/script_test_3.t: Set large alignment.
4503         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4504         segment has expected alignment.
4505
4506 2010-04-22  Nick Clifton  <nickc@redhat.com>
4507
4508         * po/gold.pot: Updated by the Translation project.
4509         * po/vi.po: Updated Vietnamese translation.
4510
4511 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4512
4513         * testsuite/Makefile.am (check_PROGRAMS): Add
4514         icf_virtual_function_folding_test.
4515         * testsuite/Makefile.in: Regenerated.
4516
4517 2010-04-15  Andrew Haley  <aph@redhat.com>
4518
4519         * options.h (merge_exidx_entries): New option.
4520         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4521         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4522         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4523         (Target_arm::merge_exidx_entries): New function.
4524         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4525         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4526         to Arm_exidx_fixup constructor.
4527         Add new arg, merge_exidx_entries.
4528         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4529         Arm_output_section::fix_exidx_coverage.
4530
4531 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4532
4533         * icf.cc (get_section_contents): Check for preemptible functions.
4534         Ignore addend when appropriate.
4535         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4536         section folded.
4537         (add_from_relobj): Check for section folded.
4538         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4539         * symtab.h (should_add_dynsym_entry): Add new parameter.
4540         * target-reloc.h (scan_relocs): Check for section folded.
4541         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4542         Check reloc types for function pointers in shared objects.
4543         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4544         case.
4545         (icf_preemptible_functions_test): New test case.
4546         (icf_string_merge_test): New test case.
4547         * testsuite.Makefile.in: Regenerate.
4548         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4549         bar_glob.  Refactor code.
4550         * testsuite/icf_preemptible_functions_test.cc: New file.
4551         * testsuite/icf_preemptible_functions_test.sh: New file.
4552         * testsuite/icf_string_merge_test.cc: New file.
4553         * testsuite/icf_string_merge_test.sh: New file.
4554         * testsuite/icf_virtual_function_folding_test.cc: New file.
4555         * testsuite/icf_virtual_function_folding_test.sh: New file.
4556
4557 2010-04-14  Doug Kwan  <dougkwan@google.com>
4558
4559         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4560         for local symbol recounting if we remove a section due to ICF.
4561         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4562         there are no regular objects in input.
4563
4564 2010-04-13  Doug Kwan  <dougkwan@google.com>
4565
4566         * arm.cc (Arm_input_section::set_final_data_size): Compute
4567         accurate final data size instead of using current data size.
4568
4569 2010-04-09  Doug Kwan  <dougkwan@google.com>
4570
4571         * layout.cc (Layout::choose_output_section): Handle script section
4572         types.
4573         (Layout::make_output_section_for_script): Add section type parameter.
4574         Handle script section types.
4575         * layout.h (Layout::make_output_section_for_script): Add section
4576         type parameter.
4577         * output.cc (Output_section::Output_section): Initialize data member
4578         is_noload_.
4579         (Output_section::do_reset_address_and_file_offset): Do not set address
4580         to 0 if section is a NOLOAD section.
4581         * output.h (Output_section::is_noload): New method.
4582         (Output_section::set_is_noload): Ditto.
4583         (Output_section::is_noload_): New data member.
4584         * script-c.h (Script_section_type): New enum type.
4585         (struct Parser_output_section_header): Add new file section_type.
4586         * script-sections.cc (Sections_element::output_section_name): Add
4587         parameter for returning script section type.
4588         (Output_section_definition::output_section_name): Ditto.
4589         (Output_section_definition::section_type)P; New method.
4590         (Output_section_definiton::script_section_type_name): Ditto.
4591         (Output_section_definition::script_section_type_): New data member.
4592         (Output_section_definition::Output_section_definition): Initialize
4593         data member Output_section_definition::script_section_type_.
4594         (Output_section_definition::create_sections): Pass script section type
4595         to Layout::make_output_section_for_script.
4596         (Output_section_definition::output_section_name): Return script
4597         section type to caller.
4598         (Output_section_definition::set_section_address): Do not advance
4599         dot value and load address if section type is NOLOAD.  Set address
4600         of NOLOAD sections regardless of section flags.
4601         (Output_section_definition::print): Print section type if it is
4602         not SCRIPT_SECTION_TYPE_NONE.
4603         (Output_section_definition::section_type): New method.
4604         (Output_section_definition::script_section_type_name): Ditto.
4605         (Script_sections::output_section_name): Add new parameter
4606         PSECTION_TYPE for returning script section type.  Pass it to
4607         section elements.  Handle discard sections.
4608         (Sort_output_sections::operator()): Handle NOLOAD sections.
4609         * script-sections.h (Script_sections::Section_type): New enum type.
4610         (Script_sections::output_section_name): Add a new parameter for
4611         returning script section type.
4612         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4613         INFO and NOLOAD.
4614         * yyscript.y (union): Add new field SECTION_TYPE.
4615         (COPY, DSECT, INFO, NOLOAD): New tokens.
4616         (opt_address_and_section_type): Change type to output_section_header.
4617         (section_type): New non-terminal
4618         (section_header): Handle section type.
4619         (opt_address_and_section_type): Return section type value.
4620
4621 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4622
4623         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4624         * testsuite/plugin_common_test_2.c (foo): Likewise.
4625
4626 2010-04-08  Doug Kwan  <dougkwan@google.com>
4627
4628         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4629         Output_merge_data.
4630         * output.cc (Output_section::add_merge_input_section): Simplify
4631         code and return status of Output_merge_base::add_input_section.
4632         Update merge section map only if Output_merge_base::add_input_section
4633         returns true.
4634
4635 2010-04-07  Doug Kwan  <dougkwan@google.com>
4636
4637         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4638         if section is marked as containing instructions but has no mapping
4639         symbols.
4640         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4641         correct section index.
4642         (Arm_relobj::find_linked_text_section): Ditto.
4643
4644 2010-04-07  Cary Coutant  <ccoutant@google.com>
4645
4646         * archive.cc (include_member): Destroy Read_symbols_data object before
4647         releasing file.
4648         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4649         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4650         (Read_symbols_data::~Read_symbols_data) New destructor.
4651         (Section_relocs::Section_relocs) New constructor.
4652         (Section_relocs::~Section_relocs) New destructor.
4653         (Read_relocs_data::Read_relocs_data) New constructor.
4654         (Read_relocs_data::~Read_relocs_data) New destructor.
4655         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4656         pointers to NULL after deleting.
4657
4658 2010-04-07  Doug Kwan  <dougkwan@google.com>
4659
4660         * arm.cc: Replace "endianity" with "endianness" in comments.
4661         (Arm_exidx_cantunwind): Ditto.
4662         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4663         (Arm_relobj::merge_flags_and_attributes): New method.
4664         (Arm_relobj::merge_flags_and_attributes_): New data member.
4665         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4666         (Arm_relobj::scan_sections_for_stubs): Ditto.
4667         (Arm_relobj::do_read_symbols): Check to see if we really want to
4668         merge processor-specific flags and attributes.  Exit early if
4669         an object is empty except for section names and the undefined symbol.
4670         (Target_arm::do_finalize_sections): Move check for ELF format to
4671         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4672         attributes from a regular object only when we have determined that
4673         it is aapropriate.  Do not create an .ARM.attributes section in
4674         output if there is no regular input object.
4675         (Target_arm::merge_processor_specific_flags): Check
4676         --warn-mismatch before printing any error.
4677         (Target_arm::merge_object_attributes): Ditto.
4678         * gold.cc (queue_middle_tasks): Handle the case in which there is
4679         no regular object in input.
4680         * options.cc (General_options::parse_EB): New method.
4681         (General_options::parse_EL): Same.
4682         (General_options::General_options): Initialize endianness_.
4683         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4684         New options.
4685         (General_options::Endianness): New enum.
4686         (General_options::endianness): New method.
4687         (General_options::endianness_): New data member.
4688         * parameters.cc (Parameters::set_options): Check target endianness.
4689         (Parameters::set_target_once): Ditto.
4690         (Parameters::check_target_endianness): New method.
4691         (parameters_force_valid_target): If either -EL or -EB is specified,
4692         use it to define endianness of default target.
4693         * parameters.h (Parameters::check_target_endianness): New method
4694         declaration.
4695         * target.h (class Target): Change "endianity" to "endianness"
4696         in comments.
4697
4698 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4699
4700         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4701         * configure: Regenerate.
4702         * Makefile.in: Regenerate.
4703         * testsuite/Makefile.in: Regenerate.
4704
4705 2010-04-06  Cary Coutant  <ccoutant@google.com>
4706
4707         gcc PR lto/42757
4708         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4709         prevailing definitions of common symbols.
4710         * testsuite/plugin_test_6.sh: New test case.
4711         * testsuite/plugin_common_test_1.c: New test case.
4712         * testsuite/plugin_common_test_2.c: New test case.
4713         * testsuite/Makefile.am (plugin_test_6): New test case.
4714         * testsuite/Makefile.in: Regenerate.
4715
4716 2010-04-06  Nick Clifton  <nickc@redhat.com>
4717
4718         * po/vi.po: New Vietnamese translation.
4719
4720 2010-03-30  Doug Kwan  <dougkwan@google.com>
4721
4722         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4723
4724 2010-03-25  Doug Kwan  <dougkwan@google.com>
4725
4726         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4727         to avoid a conversion warning on a 32-bit host.
4728
4729 2010-03-24  Ian Lance Taylor  <iant@google.com>
4730
4731         * testsuite/script_test_3.t: Add a TLS segment.
4732         * testsuite/Makefile.am (check_PROGRAMS): Add
4733         tls_phdrs_script_test.
4734         (tls_phdrs_script_test_SOURCES): Define.
4735         (tls_phdrs_script_test_DEPENDENCIES): Define.
4736         (tls_phdrs_script_test_LDFLAGS): Define.
4737         (tls_phdrs_script_test_LDADD): Define.
4738         * testsuite/Makefile.in: Rebuild.
4739
4740 2010-03-23  Cary Coutant  <ccoutant@google.com>
4741
4742         * fileread.cc (find_or_make_view): Fix comment.
4743
4744 2010-03-23  Ian Lance Taylor  <iant@google.com>
4745
4746         * script-sections.cc (class Orphan_section_placement): Define
4747         PLACE_TLS and PLACE_TLS_BSS.
4748         (Orphan_section_placement::Orphan_section_placement): Initialize
4749         new places.
4750         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4751         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4752         (tls_script_test_SOURCES): Define.
4753         (tls_script_test_DEPENDENCIES): Define.
4754         (tls_script_test_LDFLAGS): Define.
4755         (tls_script_test_LDADD): Define.
4756         * testsuite/Makefile.in: Rebuild.
4757
4758 2010-03-22  Doug Kwan  <dougkwan@google.com>
4759
4760         * arm.cc (Arm_relocate_functions::abs8,
4761         Arm_relocate_functions::abs16): Use correct check for overflow
4762         specified in the ARM ELF specs.
4763         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4764         target of a BLX instruction specially.
4765         (Reloc_stub::stub_type_for_reloc): Ditto.
4766         (Relocate::relocate): Use symbolic names instead of numeric relocation
4767         codes to report error.
4768         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4769         workaround.
4770         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4771         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4772         thumb2_blx_out_of_range.stdout
4773         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4774         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4775         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4776         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4777         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4778         thumb2_blx_in_range, thumb2_blx_in_range.o,
4779         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4780         thumb2_blx_out_of_range.o): New rules.
4781         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4782         thumb2_blx_in_range and thumb2_blx_out_of_range.
4783         * testsuite/Makefile.in: Regenerate.
4784         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4785         * testsuite/thumb_blx_in_range.s: New file.
4786         * testsuite/thumb_blx_out_of_range.s: New file.
4787
4788 2010-03-22  Rafael Espindola  <espindola@google.com>
4789
4790         * archive.cc (Should_include): Move to archive.h.
4791         (should_include_member): Make it a member of Archive.
4792         (Lib_group): New.
4793         (Add_lib_group_symbols): New.
4794         * archive.h: Include options.h.
4795         (Archive_member): Moved from Archive.
4796         (Should_include): Moved from archive.cc.
4797         (Lib_group): New.
4798         (Add_lib_group_symbols): New.
4799         * dynobj.cc (do_should_include_member): New.
4800         * dynobj.h (do_should_include_member): New.
4801         * gold.cc (queue_initial_tasks): Update call to queue.
4802         * main.cc (main): Print lib group stats.
4803         * object.cc (do_should_include_member): New.
4804         * object.h: Include archive.h.
4805         (Object::should_include_member): New.
4806         (Object::do_should_include_member): New.
4807         (Sized_relobj::do_should_include_member): New.
4808         * options.cc (General_options::parse_start_lib): New.
4809         (General_options::parse_end_lib): New.
4810         (Input_arguments::add_file): Handle lib groups.
4811         (Input_arguments::start_group): Check we are not in a lib.
4812         (Input_arguments::start_lib): New.
4813         (Input_arguments::end_lib): New.
4814         * options.h (General_options): Add start_lib and end_lib.
4815         (Input_argument::lib_): New.
4816         (Input_argument::lib): New.
4817         (Input_argument::is_lib): New.
4818         (Input_file_lib): New.
4819         (Input_arguments::in_lib_): New.
4820         (Input_arguments::in_lib): New.
4821         (Input_arguments::start_lib): New.
4822         (Input_arguments::end_lib_): New.
4823         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4824         in unused members as preempted.
4825         (Sized_pluginobj::do_should_include_member): New.
4826         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4827         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4828         return the blocker.
4829         (Read_symbols::do_whole_lib_group): New.
4830         (Read_symbols::do_lib_group): New.
4831         (Read_symbols::do_read_symbols): Handle lib groups.
4832         (Read_symbols::get_name): Handle lib groups.
4833         * readsyms.h (Read_symbols): Add an archive member pointer.
4834         (Read_symbols::do_whole_lib_group): New.
4835         (Read_symbols::do_lib_group): New.
4836         (Read_symbols::member_): New.
4837         * script.cc (read_input_script): Update call to queue_soon.
4838
4839 2010-03-19  Doug Kwan  <dougkwan@google.com>
4840
4841         * arm.cc (Stub_table::Stub_table): Initialize new data members
4842         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4843         (Stub_table::add_reloc_stub): Assign stub offset and update
4844         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4845         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4846         New data members.
4847         (Stub_table::update_data_size_and_addralign): Use
4848         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4849         instead of going over all reloc stubs.
4850         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4851         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4852         Stringpool_template::offset_ to size of Stringpool_char.
4853         (Stringpool_template::new_key_offset): Remove code to initialize
4854         Stringpool_template::offset_.
4855         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4856         Stringpool_template::offset_ to zero.
4857
4858 2010-03-15  Doug Kwan  <dougkwan@google.com>
4859
4860         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4861         offset_.
4862         (Stringpool_template::new_key_offset): New method.
4863         (Stringpool_template::add_string): Assign offsets when adding new
4864         strings.
4865         (Stringpool_template::set_string_offsets): Do not set string offsets
4866         when not optimizing.
4867         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4868         member size_.
4869         (Chunked_vector::clear): Clear size_.
4870         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4871         (Chunked_vector::size): Return size_.
4872         (Chunked_vector::push_back): Use size_ to find insert position.
4873         (Chunked_vector::size_): New data member.
4874         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4875         (Stringpool_template::new_key_offset): New method declaration.
4876         (Stringpool_template::offset_): New data member.
4877
4878 2010-03-15   Rafael Espindola  <espindola@google.com>
4879
4880         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4881         Add_symbols' constructor.
4882         * readsyms.h (Add_symbols): Remove the input_group member.
4883
4884 2010-03-10  Ian Lance Taylor  <iant@google.com>
4885
4886         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4887         target to ask whether a reference to a symbol requires a stack
4888         split.
4889         * target.h (Target::is_call_to_non_split): New function.
4890         (Target::do_is_call_to_non_split): Declare virtual function.
4891         * target.cc: Include "symtab.h".
4892         (Target::do_is_call_to_non_split): New function.
4893         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4894
4895 2010-03-10  Cary Coutant  <ccoutant@google.com>
4896
4897         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4898         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4899         (File_read::open[2]): Add whole_file_view_ to list of views.
4900         (File_read::make_view): Remove test of whole_file_view_.
4901         (File_read::find_or_make_view): Create whole_file_view_ if
4902         necessary.
4903         (File_read::clear_views): Replace bool parameter with enum;
4904         adjust all callers.  Don't delete views with permanent data;
4905         do delete cached views and views from archives if
4906         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4907         if clearing the corresponding view.
4908         * fileread.h (File_read::Clear_views_mode): New enum.
4909         (File_read::View::is_permanent_view): New method.
4910         (File_read::clear_views): Replace bool parameter
4911         with enum; adjust all callers.
4912         * options.h (General_options): Change keep_files_mapped option;
4913         add map_whole_files.
4914         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4915         releasing the file.
4916         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4917         the file.
4918
4919 2010-03-10  David S. Miller  <davem@davemloft.net>
4920
4921         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4922
4923 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4924
4925         * icf.cc (get_section_contents): Add '@' marker after processing the
4926         merge reloc.
4927
4928 2010-03-08  Doug Kwan  <dougkwan@google.com>
4929
4930         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4931         due to a conversion warning.
4932         (Arm_relobj::update_output_local_symbol_count): Check for local
4933         symbol with unset output index.
4934
4935 2010-03-05  Ian Lance Taylor  <iant@google.com>
4936
4937         * options.h (class General_options): Add --spare-dynamic-tags.
4938         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4939         --spare-dynamic-tags.
4940
4941 2010-03-05  Ian Lance Taylor  <iant@google.com>
4942
4943         * incremental.cc: Include "libiberty.h".
4944
4945 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4946
4947         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4948         function, is_info_ member.
4949         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4950         (Versions::Versions): Update caller.
4951         (Versions::define_base_version): Likewise.
4952         (Versions::add_def): Likewise.
4953
4954 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4955
4956         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4957         (Scan::possible_function_pointer_reloc): New function.
4958         (Scan::local_reloc_may_be_function_pointer): Change to call
4959         possible_function_pointer_reloc.
4960         (Scan::global_reloc_may_be_function_pointer): Ditto.
4961         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4962         relocations in ".data.rel.ro._ZTV" section.
4963         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4964         * testsuite/icf_safe_so_test.cc: Ditto.
4965         * testsuite/icf_safe_test.cc: Ditto.
4966         * testsuite/icf_safe_test.sh: Ditto.
4967
4968 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4969             Ian Lance Taylor  <iant@google.com>
4970
4971         * target-reloc.h (relocate_section): Check the symbol table index
4972         for -1U before setting the local symbol index.
4973         (scan_relocatable_relocs): If copying the relocation, record that
4974         the local symbol is required.
4975         * object.h (Symbol_value::is_output_symtab_index_set): New
4976         function.
4977         (Symbol_value::may_be_discarded_from_output_symtab): New
4978         function.
4979         (Symbol_value::has_output_symtab_entry): New function.
4980         (Symbol_value::needs_output_symtab_entry): Remove.
4981         (Symbol_value::output_symtab_index): Make sure the symbol index is
4982         set.
4983         (Symbol_value::set_output_symtab_index): Make sure the symbol
4984         index is not set.  Make sure the new index is valid.
4985         (Symbol_value::set_must_have_output_symtab_entry): New function.
4986         (Symbol_value::has_output_dynsym_entry): New function.
4987         (Symbol_value::set_output_dynsym_index): Make sure the new index
4988         is valid.
4989         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4990         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4991         local symbol if permitted.
4992         (Sized_relobj::do_finalize_local_symbols): Call
4993         is_output_symtab_index_set rather than needs_output_symtab_entry.
4994         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4995         rather than needs_output_symtab_entry.  Call
4996         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4997         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4998         is_output_symtab_index_set rather than needs_output_symtab_entry.
4999         * testsuite/discard_locals_relocatable_test.c: New file.
5000         * testsuite/discard_locals_test.sh: Test -r.
5001         * testsuite/Makefile.am (check_DATA): Add
5002         discard_locals_relocatable_test1.syms,
5003         discard_local_relocatable_test2.syms.
5004         (MOSTLYCLEANFILES): Likewise.  Also add
5005         discard_locals_relocatable_test1.lout and
5006         discard_locals_relocatable_test2.out.
5007         (discard_locals_relocatable_test1.syms): New target.
5008         (discard_locals_relocatable_test.o): New target.
5009         (discard_locals_relocatable_test1.out): New target.
5010         (discard_locals_relocatable_test2.syms): New target.
5011         (discard_locals_relocatable_test2.out): New target.
5012         (various): Add missing ../ld-new dependencies.
5013         * testsuite/Makefile.in: Rebuild.
5014
5015 2010-03-03  Nick Clifton  <nickc@redhat.com>
5016
5017         * po/fi.po: New Finnish translation.
5018
5019 2010-03-01  Doug Kwan  <dougkwan@google.com>
5020
5021         * layout.cc (Layout::Layout): Force section types of .init_array*,
5022         .preinit_array* and .fini_array* sections.
5023         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5024         Fix check of return value of std::string::find.().
5025         (Output_section::Input_section_sort_compare::operator()): Remove
5026         comment about .init_array.
5027         (Output_section::Input_section_sort_init_fini_compare::operator()):
5028         New method.
5029         (Output_section::sort_attached_input_sections): Handle .init_array
5030         and .fini_array specially.
5031         * output.h (Output_section::Inut_section_sort_compare): Update
5032         comment.
5033         (Output_section::Input_section_sort_init_fini_compare): New struct.
5034
5035 2010-02-26  Doug Kwan  <dougkwan@google.com>
5036
5037         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5038         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5039         * testsuite/debug_msg.sh: Avoid matching source line number for
5040         use of global variable undef_int.
5041
5042 2010-02-26  Doug Kwan  <dougkwan@google.com>
5043
5044         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5045         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5046         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5047         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5048         * options.cc (General_options::General_options): Initialize member
5049         fix_v4bx_.
5050         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5051         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5052         and rm_no_fix_v4bx.stdout
5053         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5054         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5055         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5056         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5057         and arm_no_fix_v4bx.
5058         * Makefile.in: Regenerate.
5059         * testsuite/arm_fix_v4bx.s: New file.
5060         * testsuite/arm_fix_v4bx.sh: Ditto.
5061
5062 2010-02-24  Doug Kwan  <dougkwan@google.com>
5063
5064         * arm.cc (Target_arm::got_section): Make the .got section the first
5065         non RELRO section in the data segment.
5066         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5067         suffixes of section names.
5068
5069 2010-02-24  Doug Kwan  <dougkwan@google.com>
5070
5071         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5072         flags and attributes merging if an input file is a binary file.
5073         * fileread.cc (Input_file::open): Record format of original file.
5074         * fileread.h (Input_file::Format): New enum type.
5075         (Input_file::Input_file): Initialize data member format_.
5076         (Input_file::format): New method definition.
5077         (Input_file::format_):: New data member.
5078
5079 2010-02-24  Doug Kwan  <dougkwan@google.com>
5080
5081         * arm.cc (Arm_output_data_got): New class.
5082         (ARM_TCB_SIZE): New constant
5083         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5084         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5085         If user uses a script with a SECTIONS clause, issue only a warning
5086         for a misplaced EXIDX input section.  Otherwise, issue an error.
5087         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5088         garbage collection.
5089         (Target_arm::got_mode_index_entry): Handle static linking.
5090         (Target_arm::Scan::local): Ditto.
5091         (Target_arm::Scan::global): Ditto.
5092         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5093         all incorrectly implemented relocations.
5094         (Target_arm::fix_exidx_coverage): Pass layout to
5095         Arm_output_section::fix_exidx_coverage.
5096         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5097         from ".ARM.exidx." and ".ARM.extab.".
5098
5099 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5100
5101         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5102         section if it does not already exist.
5103         * attributes.cc (Attributes_section_data::Attributes_section_data):
5104         Don't crash if size is zero.
5105
5106 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5107             Ian Lance Taylor  <iant@google.com>
5108
5109         * gold.cc (queue_middle_tasks): If no input files were opened,
5110         exit.
5111         * workqueue.h (Task_function::Task_function): Assert that there is
5112         a blocker.
5113
5114 2010-02-22  Doug Kwan  <dougkwan@google.com>
5115
5116         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5117         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5118         types to avoid warnings due to different uint64_t implementations
5119         on different hosts.
5120
5121 2010-02-21  Doug Kwan  <dougkwan@google.com>
5122
5123         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5124         handling of the maximum backward branch offset.
5125         (Arm_relocate_functions::thumb_branch_common): Ditto.
5126         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5127         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5128         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5129         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5130         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5131         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5132         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5133         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5134         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5135         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5136         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5137         thumb2_bl_out_of_range.o): New rules.
5138         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5139         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5140         thumb2_bl_out_of_range
5141         * testsuite/Makefile.in: Regenerate.
5142         * testsuite/arm_bl_in_range.s: New file.
5143         * testsuite/arm_bl_out_of_range.s: Ditto.
5144         * testsuite/arm_branch_in_range.sh: Ditto.
5145         * testsuite/arm_branch_range.t: Ditto.
5146         * testsuite/thumb2_branch_range.t: Ditto.
5147         * testsuite/thumb_bl_in_range.s: Ditto.
5148         * testsuite/thumb_bl_out_of_range.s: Ditto.
5149         * testsuite/thumb_branch_range.t: Ditto.
5150
5151 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5152
5153         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5154         Add reloc offset information.
5155         * icf.cc (get_section_contents): Change iterators to point to the new
5156         vectors. Add reloc offset information to the contents.
5157         * icf.h (Icf::Sections_reachable_info): New typedef.
5158         (Icf::Sections_reachable_list): New typedef.
5159         (Icf::Offset_info): New typedef.
5160         (Icf::Reloc_info): New struct typedef.
5161         (Icf::Reloc_info_list): New typedef.
5162         (Icf::symbol_reloc_list): Delete method.
5163         (Icf::addend_reloc_list): Delete method.
5164         (Icf::section_reloc_list): Delete method.
5165         (Icf::reloc_info_list): New method.
5166         (Icf::reloc_info_list_): New member.
5167
5168 2010-02-19  Doug Kwan  <dougkwan@google.com>
5169
5170         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5171         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5172         * arm.cc (Arm_relocation_functions): New forward declaration.
5173         (Target_arm::Target_arm): Initialize new data members
5174         got_mod_index_offset_ and tls_base_symbol_defined_.
5175         (Target_arm::Relocate::relocate_tls): New method.
5176         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5177          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5178         New methods.
5179         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5180         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5181         (Target_arm::got_mod_index_offset_,
5182         Target_arm::tls_base_symbol_defined_): New data members.
5183         (Target_arm::Scan::local, Target::Scan::global,
5184         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5185         relocations.
5186
5187 2010-02-18  Doug Kwan  <dougkwan@google.com>
5188
5189         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5190         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5191         text section as a parameter becuase some broken tools may not set
5192         the link in section header.
5193         (Target_arm::has_got_section): New method.
5194         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5195         without any mapping symbol as data only.  Remove warning.
5196         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5197         link in its section header, try to discover the link by inspecting the
5198         REL31 relocation at the beginning of the section.
5199         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5200         in error message.
5201         (Target_arm::Scan::global): Treat any reference to the symbol
5202         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5203
5204 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5205
5206         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5207         (Scan::global_reloc_may_be_function_pointer): New function.
5208         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5209         (Scan::global_reloc_may_be_function_pointer): New function.
5210         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5211         (Scan::global_reloc_may_be_function_pointer): New function.
5212         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5213         (Scan::global_reloc_may_be_function_pointer): New function.
5214         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5215         (Scan::global_reloc_may_be_function_pointer): New function.
5216         (Scan::possible_function_pointer_reloc): New function.
5217         (Target_x86_64::can_check_for_function_pointers): New function.
5218         * gc.h (gc_process_relocs): Scan relocation types to determine if
5219         function pointers were taken for targets that support it.
5220         * icf.cc (Icf::find_identical_sections): Include functions for
5221         folding in safe ICF whose pointer is not taken.
5222         * icf.h (Secn_fptr_taken_set): New typedef.
5223         (fptr_section_id_): New member.
5224         (section_has_function_pointers): New function.
5225         (set_section_has_function_pointers): New function.
5226         (check_section_for_function_pointers): New function.
5227         * options.h: Fix comment for safe ICF option.
5228         * target.h (can_check_for_function_pointers): New function.
5229         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5230         Modify icf_safe_test for X86-64.
5231         * testsuite/Makefile.in: Regenerate.
5232         * testsuite/icf_safe_so_test.cc: New file.
5233         * testsuite/icf_safe_so_test.sh: New file.
5234         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5235         (main): Change to take pointer to function kept_func_3.
5236         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5237         folding is done correctly for X86-64.
5238
5239 2010-02-12  David S. Miller  <davem@davemloft.net>
5240
5241         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5242         is_symbolless parameter.
5243         (Output_reloc<SHT_REL>::is_symbolless): New.
5244         (Output_reloc<SHT_REL>::is_symbolless_): New.
5245         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5246         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5247         (Output_reloc<SHT_RELA>::is_symbolless): New.
5248         (Output_data_reloc::add_global): Handle is_symbolless.
5249         (Output_data_reloc::add_global_relative): Likewise.
5250         (Output_data_reloc::add_local): Likewise.
5251         (Output_data_reloc::add_local_relative): Likewise.
5252         (Output_data_reloc::add_symbolless_global_addend): New.
5253         (Output_data_reloc::add_symbolless_local_addend): New.
5254         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5255         is_symbolless.
5256         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5257         instead of ->is_relative_
5258         (Output_reloc::write): Likewise.
5259         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5260         (Output_reloc::write_rel): Simplify.
5261
5262         * sparc.cc (Target_sparc::Scan::local): Use
5263         ->add_symbolless_local_addend as needed.
5264         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5265         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5266         based upon relocation offset.
5267
5268 2010-02-11  Doug Kwan  <dougkwan@google.com>
5269
5270         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5271         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5272         beginning of function.
5273         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5274         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5275         parameter is_32bit in calls to should_apply_static_reloc.
5276         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5277         (check_DATA): Add arm_abs_global.stdout.
5278         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5279         arm_abs_global.stdout): New rules.
5280         (MOSTLLYCLEANFILES): Add arm_abs_global
5281         * Makefile.in: Regenerate.
5282         * testsuite/arm_abs_global.s: New file.
5283         * testsuite/arm_abs_global.sh: Ditto.
5284         * testsuite/arm_abs_lib.s: Ditto.
5285
5286 2010-02-11  Ian Lance Taylor  <iant@google.com>
5287
5288         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5289         Read_relocs task.
5290         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5291         Allocate_commons_task first.
5292         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5293         task, rather than symtab_lock_.
5294         (Gc_process_relocs::~Gc_process_relocs): New function.
5295         (Gc_process_relocs::is_runnable): Check this_blocker_.
5296         (Gc_process_relocs::locks): Use next_blocker_ rather than
5297         blocker_.
5298         (Scan_relocs::~Scan_relocs): New function.
5299         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5300         symtab_lock_.
5301         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5302         next_blocker_.
5303         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5304         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5305         constructor accordingly.
5306         (class Gc_process_relocs): Likewise.
5307         (class Scan_relocs): Likewise.
5308         * common.h (class Allocate_commons_task): Remove symtab_lock_
5309         field, and corresponding constructor parameter.
5310         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5311         symtab_lock_.
5312         (Allocate_commons_task::locks): Likewise.
5313
5314 2010-02-11  Ian Lance Taylor  <iant@google.com>
5315
5316         * gold-threads.h (class Once): Define.
5317         (class Initialize_lock): Rewrite as child of Once.
5318         * gold-threads.cc (class Once_initialize): Define.
5319         (once_pointer_control): New static variable.
5320         (once_pointer, once_arg): New static variables.
5321         (c_run_once): New static function.
5322         (Once::Once, Once::run_once, Once::internal_run): New functions.
5323         (class Initialize_lock_once): Remove.
5324         (initialize_lock_control): Remove.
5325         (initialize_lock_pointer): Remove.
5326         (initialize_lock_once): Remove.
5327         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5328         (Initialize_lock::initialize): Rewrite.
5329         (Initialize_lock::do_run_once): New function.
5330         * archive.cc (Archive::interpret_header): Only clear name if it is
5331         not already empty.
5332         * fileread.cc: Include "gold-threads.h"
5333         (file_counts_lock): New static variable.
5334         (file_counts_initialize_lock): Likewise.
5335         (File_read::release): Only increment counts when using --stats.
5336         Use a lock around the increment.
5337         * parameters.cc (class Set_parameters_target_once): Define.
5338         (set_parameters_target_once): New static variable.
5339         (Parameters::Parameters): Move here from parameters.h.
5340         (Parameters::set_target): Rewrite.
5341         (Parameters::set_target_once): New function.
5342         (Parameters::clear_target): Move here and rewrite.
5343         * parameters.h (class Parameters): Update declarations.  Add
5344         set_parameters_target_once_ field.
5345         (Parameters::Parameters): Move to parameters.cc.
5346         (Parameters::clear_target): Likewise.
5347         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5348         task.
5349         (Start_group::~Start_group): New function.
5350         (Start_group::is_runnable): New function.
5351         (Start_group::locks, Start_group::run): New functions.
5352         (Finish_group::run): Change saw_undefined to size_t.
5353         * readsyms.h (class Start_group): Define.
5354         (class Finish_group): Change saw_undefined_ field to size_t.
5355         (Finish_group::Finish_group): Remove saw_undefined and
5356         this_blocker parameters.  Change all callers.
5357         (Finish_group::set_saw_undefined): New function.
5358         (Finish_group::set_blocker): New function.
5359         * symtab.h (class Symbol_table): Change saw_undefined to return
5360         size_t.  Change saw_undefined_ field to size_t.
5361         * target-select.cc (Set_target_once::do_run_once): New function.
5362         (Target_selector::Target_selector): Initialize set_target_once_
5363         field.  Don't initialize lock_ and initialize_lock_ fields.
5364         (Target_selector::instantiate_target): Rewrite.
5365         (Target_selector::set_target): New function.
5366         * target-select.h (class Set_target_once): Define.
5367         (class Target_selector): Update declarations.  Make
5368         Set_target_once a friend.  Remove lock_ and initialize_lock_
5369         fields.  Add set_target_once_ field.
5370
5371 2010-02-10  Ian Lance Taylor  <iant@google.com>
5372
5373         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5374         queueing any tasks.
5375         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5376         (queue_middle_tasks): Add all blockers before queueing any tasks.
5377         (queue_final_tasks): Likewise.
5378         * token.h (Task_token::add_blockers): New function.
5379         * object.h (Input_objects::number_of_relobjs): New function.
5380
5381 2010-02-10  Ian Lance Taylor  <iant@google.com>
5382
5383         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5384         shared, not if not position independent.
5385         * x86_64.cc (Relocate::relocate_tls): Likewise.
5386         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5387         (tls_pie_pic_test): New target.
5388         * testsuite/Makefile.in: Rebuild.
5389
5390         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5391         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5392         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5393         * testsuite/Makefile.in: Rebuild.
5394
5395 2010-02-09  David S. Miller  <davem@davemloft.net>
5396
5397         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5398         R_SPARC_RELATIVE using ->add_local_relative().
5399         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5400
5401         * output.h (Output_data_dynamic::add_section_size): New method
5402         that takes two Output_data objects.
5403         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5404         entry param.  Handle it in initializers.
5405         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5406         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5407         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5408         arg.
5409         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5410         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5411         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5412         for dynrel_includes_plt.
5413         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5414         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5415         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5416         before .rela.plt
5417         (Target_sparc::do_finalize_sections): Update to pass true for
5418         dynrel_includes_plt.
5419         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5420         output before .rela.plt
5421         (Target_powerpc::do_finalize_sections): Update to pass true for
5422         dynrel_includes_plt when 32-bit.
5423
5424 2010-02-08  Doug Kwan  <dougkwan@google.com>
5425
5426         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5427         method.
5428         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5429         Arm_relobj::scan_section_for_cortex_a8_stubs,
5430         Arm_relobj::do_relocation_section): Instead of calling
5431         Output_section::output_address, use faster
5432         Arm_relobj::simple_input_section_output_address.
5433
5434 2010-02-08  David S. Miller  <davem@davemloft.net>
5435
5436         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5437         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5438         relocation helper function.
5439
5440         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5441         just like R_SPARC_GOT{10,13,22}.
5442         (Target_sparc::Scan::local): Likewise.
5443         (Target_sparc::Relocate:relocate): Likewise.
5444
5445 2010-02-06  Ian Lance Taylor  <iant@google.com>
5446
5447         * configure.ac: Rewrite targetobjs duplicate removal code to use
5448         only shell constructs.
5449         * configure: Rebuild.
5450
5451 2010-02-05  Doug Kwan  <dougkwan@google.com>
5452
5453         PR 11247
5454         * arm.cc (Arm_relobj::section_is_scannable): New method.
5455         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5456         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5457
5458 2010-02-04  Doug Kwan  <dougkwan@google.com>
5459
5460         PR 11247
5461         * arm-reloc-property.cc (cstdio): Include.
5462         * configure.ac (targetobjs): Remove duplicates.
5463         * configure: Regenerate.
5464         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5465         big and little endian version for a given address size.
5466
5467 2010-02-03  Doug Kwan  <dougkwan@google.com>
5468
5469         * arm-reloc-property.cc
5470         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5471         definition.
5472         * arm-reloc-property.h
5473         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5474         New method definition.
5475         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5476         declaration.
5477         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5478         overflow to N.
5479         (GOT_PREL): Change implemented to Y.
5480         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5481         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5482         (Arm_relocate_functions::movw_abs_nc): Remove method.
5483         (Arm_relocate_functions::movt_abs): Ditto.
5484         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5485         (Arm_relocate_functions::thm_movt_abs): Ditto.
5486         (Arm_relocate_functions::movw_rel_nc): Ditto.
5487         (Arm_relocate_functions::movw_rel): Ditto.
5488         (Arm_relocate_functions::movt_rel): Ditto.
5489         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5490         (Arm_relocate_functions:thm_movw_rel): Ditto.
5491         (Arm_relocate_functions:thm_movt_rel): Ditto.
5492         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5493         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5494         New method definitions.
5495         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5496         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5497         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5498         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5499         (Target_arm::Relocate::relocate): Check for non-static or
5500         unimplemented relocation code and exit early.  Change calls to
5501         Target_arm::reloc_uses_thumb_bit and
5502         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5503         instead.  Refactor code to handle similar relocations to increase
5504         code sharing.  Remove check for unsupported relocation code in switch
5505         statement.
5506         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5507         relocation property table to find out size.  Change error message to
5508         print out the name of a relocation code instead of the numeric value.
5509         (Target_arm::scan_reloc_for_stub): Use relocation property table
5510         instead of calling Target_arm::reloc_uses_thumb_bit().
5511
5512 2010-02-02  Doug Kwan  <dougkwan@google.com>
5513
5514         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5515         types of relaxed input section.
5516
5517 2010-02-02  Doug Kwan  <dougkwan@google.com>
5518
5519         * Makefile.am (HFILES): Add arm-reloc-property.h.
5520         (DEFFILES): New.
5521         (TARGETSOURCES): Add arm-reloc-property.cc
5522         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5523         (libgold_a_SOURCES): $(DEFFILES)
5524         * Makefile.in: Regenerate.
5525         * arm-reloc-property.cc: New file.
5526         * arm-reloc-property.h: New file.
5527         * arm-reloc.def: New file.
5528         * arm.cc: Update comments.
5529         (arm-reloc-property.h): New included header.
5530         (arm_reloc_property_table): New global variable.
5531         (Target_arm::do_select_as_default_target): New method definition.
5532         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5533         arm-reloc-property to targ_extra_obj.
5534         * parameters.cc (set_parameters_target): Call
5535         Target::select_as_default_target().
5536         * target.h (Target::select_as_default_target): New method definition.
5537         (Target::do_select_as_default_target): Same.
5538
5539 2010-02-01  Doug Kwan  <dougkwan@google.com>
5540
5541         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5542         first_output_text_section_.
5543         (Arm_exidx_fixup::first_output_text_section): New method definition.
5544         (Arm_exidx_fixup::first_output_text_section_): New data member.
5545         (Arm_exidx_fixup::process_exidx_section): Record the first text
5546         output section seen.
5547         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5548         and entsize in output section header.
5549
5550 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5551
5552         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5553         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5554         (Arm_relocate_functions::thm_alu11): New Method.
5555         (Arm_relocate_functions::thm_pc8): New Method.
5556         (Arm_relocate_functions::thm_pc12): New Method.
5557         (Target_arm::Scan::local): Handle the relocations.
5558         (Target_arm::Scan::global): Likewise.
5559         (Target_arm::Relocate::relocate): Likewise.
5560         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5561
5562 2010-01-29  Doug Kwan  <dougkwan@google.com>
5563
5564         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5565         of relocation types as ld.
5566
5567 2010-01-29  Doug Kwan  <dougkwan@google.com>
5568
5569         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5570         to public.
5571         (Arm_relocate_functions::thumb_branch_common): Ditto.
5572         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5573         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5574         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5575         Arm_relocate_functions::jump24): Remove.
5576         (Target_arm::Relocate::relocate): Adjust code to call
5577         Arm_relocation_functions::arm_branch_common and
5578         Arm_relocation_functions::thumb_branch_common instead of their removed
5579         wrappers.  Merge switch-cases together to reduce source code size.
5580
5581 2010-01-29  Doug Kwan  <dougkwan@google.com>
5582
5583         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5584         output_local_symbol_count_needs_update_.
5585         (Arm_relobj::output_local_symbol_count_needs_update,
5586          Arm_relobj::set_output_local_symbol_count_needs_update,
5587          Arm_relobj::update_output_local_symbol_count): New methods.
5588         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5589         member.
5590         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5591         of pointed function as in a R_ARM_PREL31 relocation.
5592         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5593         for output local symbol count updating.
5594         (Target_arm::do_relax): Update output local symbol counts in objects
5595         if necessary.
5596         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5597
5598 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5599
5600         * arm.cc: Added support for the ARM relocations:
5601         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5602         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5603         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5604         movw_prel_nc).
5605         (Arm_relocate_functions::movw_rel): New method.
5606         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5607         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5608         thm_movw_prel_nc).
5609         (Arm_relocate_functions::thm_movw_rel): New method.
5610         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5611         thm_movt_prel).
5612         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5613         relocations.
5614         (Target_arm::Scan::global): Likewise.
5615         (Target_arm::Relocate::relocate): Likewise.
5616         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5617         Likewise.
5618
5619 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5620
5621         * arm.cc: Added support for ARM group relocations.
5622         (Target_arm::reloc_needs_sym_origin): New method.
5623         (Arm_relocate_functions::calc_grp_kn): New method.
5624         (Arm_relocate_functions::calc_grp_residual): New method.
5625         (Arm_relocate_functions::calc_grp_gn): New method.
5626         (Arm_relocate_functions::arm_grp_alu): New Method.
5627         (Arm_relocate_functions::arm_grp_ldr): New Method.
5628         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5629         (Arm_relocate_functions::arm_grp_ldc): New Method.
5630         (Target_arm::Scan::local): Handle the ARM group relocations.
5631         (Target_arm::Scan::global): Likewise.
5632         (Target_arm::Relocate::relocate): Likewise.
5633         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5634         Likewise.
5635
5636 2010-01-26  Doug Kwan  <dougkwan@google.com>
5637
5638         * arm.cc (set): Include.
5639         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5640         pointer type.
5641         (Arm_output_section::Text_section_list): New type.
5642         (Arm_output_section::append_text_sections_to_list): New method.
5643         (Arm_output_section::fix_exidx_coverage): Ditto.
5644         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5645         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5646         Relobj::set_section_offset() instead of
5647         Sized_relobj::invalidate_section_offset().
5648         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5649         parameter for section headers. Ignore relocation sections for
5650         unallocated sections and EXIDX sections.
5651         (Target_arm::fix_exidx_coverage): New method.
5652         (Target_arm::output_section_address_less_than): New type.
5653         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5654         linked text section instead of the EXIDX section.
5655         (Arm_output_section::create_stub_group): Add an assertion to check
5656         that this is not an EXIDX output section.
5657         (Arm_output_section::append_text_sections_to_list): New method.
5658         (Arm_output_section::fix_exidx_coverage): Ditto.
5659         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5660         Arm_relobj::section_needs_reloc_stub_scanning.
5661         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5662         first pass.
5663         (Target_arm::fix_exidx_coverage): New method.
5664         * object.h (Relobj::set_output_section): New method.
5665         (Sized_relobj::invalidate_section_offset): Remove method.
5666         (Sized_relobj::do_invalidate_section_offset): Remove method.
5667         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5668
5669 2010-01-25  Doug Kwan  <dougkwan@google.com>
5670
5671         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5672         Fix warning due to signed and unsigned comparison on a 32-bit host.
5673
5674 2010-01-22  Doug Kwan  <dougkwan@google.com>
5675
5676         * arm.cc (Target_arm::do_relax): Record an output section for section
5677         offset adjustment it contains any stub table that has changed.
5678         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5679         offsets in an output section if necessary.
5680         * output.cc (Output_section::Output_section): Initialize
5681         section_offsets_need_adjustments_.
5682         (Output_section::add_input_section_for_script): Renamed to
5683         Output_section::add_simple_input_section.
5684         (Output_section::save_states): Add a comment.
5685         (Output_section::discard_states): New method defintion.
5686         (Output_section::adjust_section_offsets): Same.
5687         * output.h (Output_section::add_input_section_for_script): Renamed to
5688         Output_section::add_simple_input_section.
5689         (Output_section::discard_states): New method declaration.
5690         (Output_section::adjust_section_offsets): Same.
5691         (Output_section::section_offsets_need_adjustment,
5692         Output_section::set_section_offsets_need_adjustment): New method
5693         definitions.
5694         (Output_section::section_offsets_need_adjustment_): New data member.
5695         * script-sections.cc
5696         (Output_section_element_input::set_section_address): Adjust code for
5697         renaming of Output_section::add_input_section_for_script.
5698         (Orphan_output_section::set_section_address): Same.
5699
5700 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5701
5702         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5703         Fix_v4bx enum values .
5704         * gold/options.h (General_options): New option definitions.
5705         (General_options::fix_v4bx): New method.
5706         (General_options::Fix_v4bx): New enum.
5707         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5708         (General_options::parse_fix_v4bx_interworking): New method.
5709
5710 2010-01-22  Doug Kwan  <dougkwan@google.com>
5711
5712         * arm.cc (Arm_exidx_fixup): New class.
5713
5714 2010-01-21  Doug Kwan  <dougkwan@google.com>
5715
5716         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5717         classes.
5718         (Arm_exidx_section_offset_map): New type.
5719
5720 2010-01-21  Doug Kwan  <dougkwan@google.com>
5721
5722         * arm.cc (Arm_exidx_input_section): New class.
5723         (Arm_relobj::exidx_input_section_by_link,
5724         Arm_relobj::exidx_input_section_by_shndx,
5725         Arm_relobj::make_exidx_input_section): New methods.
5726         (read_arm_attributes_section): Remove.
5727         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5728         information about them.
5729         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5730         to here.
5731
5732 2010-01-20  Doug Kwan  <dougkwan@google.com>
5733
5734         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5735         Input_section_specifier to Section_id.
5736         (Target_arm::new_arm_input_section: Adjust code for change of key
5737         type.
5738         (Target_arm::find_arm_input_section): Ditto.
5739         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5740         (Section_id): Remove.
5741         (Garbage_collection::Section_id_hash): Remove.
5742         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5743         (Section_id): Remove.
5744         (Icf::Section_id_hash): Remove.
5745         * object.h (Section_id, Const_section_id, Section_id_hash,
5746         Const_section_id_hash): New type definitions.
5747         * output.cc (Output_section::add_relaxed_input_section): Change to
5748         use Const_section_id instead of Input_section_specifier as key type.
5749         (Output_section::add_merge_input_section): Ditto.
5750         (Output_section::build_relaxation_map): Change to use Section_id
5751         instead of Input_section_specifier as key type.
5752         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5753         Ditto.
5754         (Output_section::convert_input_sections_to_relaxed_sections): Change
5755         to use Const_section_id instead of Input_section_specifier as key type.
5756         (Output_section::find_merge_section): Ditto.
5757         (Output_section::find_relaxed_input_section): Ditto.
5758         * output.h (Input_section_specifier): Remove class.
5759         (Output_section::Output_section_data_by_input_section_map): Change
5760         key type to Const_section_id.
5761         (Output_section::Output_relaxed_input_section_by_input_section_map):
5762         Ditto.
5763         (Output_section::Relaxation_map): Change key type to Section_id.
5764
5765 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5766
5767         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5768         (class Arm_v4bx_stub): New class.
5769         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5770         (Stub_factory::make_arm_v4bx_stub): New method.
5771         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5772         (Stub_table::empty): Handle v4bx stubs.
5773         (Stub_table::add_arm_v4bx_stub): New method.
5774         (Stub_table::find_arm_v4bx_stub): New method.
5775         (Arm_relocate_functions::v4bx): New method.
5776         (Target_arm::fix_v4bx): New method.
5777         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5778         (Stub_table::relocate_stubs): Likewise.
5779         (Stub_table::do_write): Likewise.
5780         (Stub_table::update_data_size_and_addralign): Likewise.
5781         (Stub_table::finalize_stubs):  Likewise.
5782         (Target_arm::Scan::local): Likewise.
5783         (Target_arm::Scan::global): Likewise.
5784         (Target_arm::do_finalize_sections): Likewise.
5785         (Target_arm::Relocate::relocate): Likewise.
5786         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5787         Likewise.
5788         (Target_arm::scan_reloc_for_stub): Likewise.
5789         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5790
5791 2010-01-19  Ian Lance Taylor  <iant@google.com>
5792
5793         * output.cc (Output_section_headers::do_sized_write): Write large
5794         segment count to sh_info field.
5795         (Output_file_header::do_sized_write): For large segment count,
5796         write PN_XNUM to e_phnum field.
5797
5798 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5799
5800         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5801         (Arm_relocate_functions::thm_jump8): New function.
5802         (Arm_relocate_functions::thm_jump11): New function.
5803         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5804         R_ARM_THM_JUMP11.
5805         (Target_arm::Scan::global): Likewise.
5806         (Target_arm::Relocate::relocate): Likewise.
5807         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5808         Likewise.
5809
5810 2010-01-14  Doug Kwan  <dougkwan@google.com>
5811
5812         * arm.cc (map, utility): Include headers.
5813         (Target_arm::apply_cortex_a8_workaround): New method.
5814         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5815         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5816         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5817         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5818         the --[no-]fix-cortex-a8 command line options.
5819         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5820         (Target_arm::relocate_stub): Use addend in instruction template.
5821         * options.h (DEFINE_bool): Set the user-set flag.
5822         (General_options): Add --[no-]-fix-cortex options.
5823         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5824         : Update fast look-up map after conversion.
5825
5826 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5827
5828         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5829         in the first pass of do_layout.
5830
5831 2010-01-13  Doug Kwan  <dougkwan@google.com>
5832
5833         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5834         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5835         apparent compiler problem of not folding static constant integral
5836         data members of elfcpp::Elf_sizes<32>.
5837
5838 2010-01-13  Doug Kwan  <dougkwan@google.com>
5839
5840         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5841         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5842         Arm_relobj::scan_section_for_cortex_a8_erratum,
5843         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5844         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5845         sections to scan for relocation stubs into a new method
5846         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5847         relocation and Cortex-A8 stub scanning.
5848         (Target_arm::do_relax): Force stubs to be after stubbed sections
5849         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5850         the beginning of a new relaxation pass.  Update a comment.
5851         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5852
5853 2010-01-12  Ian Lance Taylor  <iant@google.com>
5854
5855         * target-reloc.h (visibility_error): New inline function.
5856         (relocate_section): Call visibility_error.
5857         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5858         (MOSTLYCLEANFILES): Likewise.
5859         (protected_4_pic.o, protected_3.err): New targets.
5860         * testsuite/protected_4.cc: New file.
5861
5862 2010-01-12  Doug Kwan  <dougkwan@google.com>
5863
5864         * arm.cc (Cortex_a8_reloc): New class.
5865         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5866         and cortex_a8_relocs_info_.
5867         (Target_arm::fix_cortex_a8): New method definition.
5868         (Target_arm::Cortex_a8_relocs_info): New type.
5869         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5870         New data member declarations.
5871         (Target_arm::scan_reloc_for_stub): Record information about
5872         relocations for THUMB branches that might be exempted from the
5873         Cortex-A8 workaround.
5874         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5875         at the beginning of a relaxation pass.
5876
5877 2010-01-12  Doug Kwan  <dougkwan@google.com>
5878
5879         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5880         (Arm_relobj::Mapping_symbol_position,
5881          Arm_reloj::Mapping_symbol_position_less,
5882          Arm_relobj::Mapping_symbols_info): New types.
5883         (Target_arm::is_mapping_symbol_name): New method definition.
5884         (Arm_relobj::do_count_local_symbols): Save information about mapping
5885         symbols.
5886
5887 2010-01-11  Doug Kwan  <dougkwan@google.com>
5888
5889         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5890         Arm_relocate_functions::thumb32_branch_upper,
5891         Arm_relocate_functions::thumb32_branch_lower,
5892         Arm_relocate_functions::thumb32_cond_branch_offset,
5893         Arm_relocate_functions::thumb32_cond_branch_upper,
5894         Arm_relocate_functions::thumb32_cond_branch_lower,
5895         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5896         branch offset encoding.
5897         (Arm_relocate_functions::thumb_branch_common): Use new branch
5898         offset encoding methods to avoid code duplication.
5899         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5900         (Stub_addend_reader::operator()): Use new branch encoding method
5901         to avoid code duplication.
5902
5903 2010-01-11  Doug Kwan  <dougkwan@google.com>
5904
5905         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5906         (Target_arm::do_finalize_sections): Define special EXIDX section
5907         symbols only if referenced.
5908         * gc.h (Garbage_collection::add_reference): New method.
5909         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5910         code duplication.
5911
5912 2010-01-11  Ian Lance Taylor  <iant@google.com>
5913
5914         * script.cc (Version_script_info::build_expression_list_lookup):
5915         Change complaing about duplicate wildcard match from error to
5916         warning.
5917
5918         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5919         of 2009-12-30.
5920         (Version_script_info::Version_script_info): Initialize globs_,
5921         default_version_, default_is_global_, and exact_.  Don't
5922         initialize globals_ or locals_.
5923         (Version_script_info::build_lookup_tables): Build local symbols
5924         first.
5925         (Version_script_info::unquote): New function.
5926         (Version_script_info::add_exact_match): New function.
5927         (Version_script_info::build_expression_list_lookup): Remove lookup
5928         parameter.  Add is_global parameter.  Change all callers.  Handle
5929         wildcard pattern specially.  Unquote pattern.  Call
5930         add_exact_match.
5931         (Version_script_info::get_name_to_match): New function.
5932         (Version_script_info::get_symbol_version): New function.
5933         (Version_script_info::get_symbol_version_helper): Remove.
5934         (Version_script_info::check_unmatched_names): Call unquote.
5935         * script.h (class Version_script_info): Change get_symbol_version
5936         to be non-inline and add is_global parameter; change all callers.
5937         Rewrite symbol_is_local.  Update declarations.  Define struct
5938         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5939         Remove globals_ and locals_ members.  Add exact_, globs_,
5940         default_version_, is_global_.
5941         (Version_script_info::Glob): Remove pattern, add expression and
5942         is_global.  Update constructor.  Change all callers.
5943         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5944         default version.
5945         (Versions::symbol_section_contents): If a symbol is undefined, or
5946         defined in a dynamic object, set the version index to
5947         VER_NDX_LOCAL.
5948         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5949         symbol_is_local.
5950         (Symbol_table::add_from_pluginobj): Likewise.
5951         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5952
5953 2010-01-11  Doug Kwan  <dougkwan@google.com>
5954
5955         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5956         (incremental_dump_LDADD): Add linking option for libintl.
5957         * Makefile.in: Regenerate.
5958
5959 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5960
5961         PR gold/11144
5962         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5963         instead of -Ds.
5964         * testsuite/Makefile.in: Regenerated.
5965
5966 2010-01-10  Doug Kwan  <dougkwan@google.com>
5967
5968         * options.h (DEFINE_var): Use parentheses around argument varname__
5969         in macro body to avoid any unintended subsequent substitutions.
5970
5971 2010-01-10  Ian Lance Taylor  <iant@google.com>
5972
5973         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5974         candidates before doing symbol resolution.
5975
5976         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5977         ODR candidates if only one is weak.
5978
5979 2010-01-08  Ian Lance Taylor  <iant@google.com>
5980
5981         * script.cc (Version_script_info::build_expression_list_lookup):
5982         Don't warn about ambiguous version, just record the ambiguity.
5983         (Version_script_info::get_symbol_version_helper): Give error if
5984         version is ambiguous.
5985
5986 2010-01-08  Doug Kwan  <dougkwan@google.com>
5987
5988         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5989           prev_data_size_ and prev_addralign_.  Remove initializer for
5990           deleted data member has_been_changed_.
5991           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5992           to determine if the table is empty.
5993           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5994           Remove.
5995           (Stub_table::add_reloc_stub): Define method in class definition
5996           instead of just declaring it there.
5997           (Stub_table::add_cortex_a8_stub): New method definition.
5998           (Stub_table::update_data_size_and_addralign): Ditto.
5999           (Stub_table::finalize_stubs): Ditto.
6000           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6001           (Stub_table::do_addralign_): Return address alignment in the
6002           (Stub_table::do_reset_address_and_file_offset): Define method in
6003           class definition instead of declaring it there.  Set current data
6004           size to be the data size of the previous pass.
6005           (Stub_table::set_final_data_size): Use current data size as the
6006           final data size.
6007           (Stub_table::relocate_stub): Change parameter type of stub from
6008           Reloc_stub pointer to Stub pointer.
6009           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6010           (Stub_table::Cortex_a8_stub_list): New typedef.
6011           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6012            Stub_table::prev_addralign_): New data member.
6013           (Arm_relobj::Arm_relobj): Initialize data member
6014           section_has_cortex_a8_workaround_.
6015           (Arm_relobj::section_has_cortex_a8_workaround,
6016            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6017            definitions.
6018           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6019           declarations.
6020           (Target_arm::relocate_stub): Change parameter type of stub from
6021           Reloc_stub pointer to Stub pointer.
6022           (Insn_template::size, Insn_template::alignment): Handle
6023           THUMB16_SPECIAL_TYPE.
6024           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6025            Stub_table::update_data_size_and_addralign,
6026            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6027           definitions.
6028           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6029           (Stub_table::do_write): Ditto.
6030           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6031
6032 2010-01-08  Ian Lance Taylor  <iant@google.com>
6033
6034         PR 11108
6035         * symtab.h (class Symbol): Remove fields is_target_special_ and
6036         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6037         (Symbol::is_defined_in_discarded_section): New function.
6038         (Symbol::set_is_defined_in_discarded_section): New function.
6039         (Symbol::has_plt_offset): Rewrite.
6040         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6041         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6042         Don't initialize is_target_special_ or has_plt_offset_.
6043         Initialize is_defined_in_discarded_section_.
6044         (Symbol_table::add_from_relobj): If appropriate, set
6045         is_defined_in_discarded_section.
6046         * resolve.cc (Symbol::override_base_with_special): Don't test
6047         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6048         * target-reloc.h (relocate_section): Do special handling for
6049         symbols defined in discarded sections for global symbols as well
6050         as local symbols.
6051
6052 2010-01-08  Ian Lance Taylor  <iant@google.com>
6053
6054         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6055         the SHT_SYMTAB case.
6056
6057 2010-01-08  Ian Lance Taylor  <iant@google.com>
6058
6059         * object.cc (Sized_relobj::do_layout): Don't get confused if
6060         layout_eh_frame returns NULL.
6061
6062 2010-01-08  Ian Lance Taylor  <iant@google.com>
6063
6064         PR 11084
6065         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6066         dynamic symbol table, use the normal symbol table.
6067         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6068         symbol table.
6069
6070 2010-01-08  Ian Lance Taylor  <iant@google.com>
6071
6072         PR 11072
6073         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6074         sections.
6075
6076 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6077
6078         * version.cc (print_version): Change to "Copyright 2010".
6079
6080 2010-01-08  Ian Lance Taylor  <iant@google.com>
6081
6082         PR 10287
6083         PR 11063
6084         * i386.cc (class Target_i386): Change return type of plt_section
6085         to be non-const.
6086         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6087         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6088         tls_desc_rel_ field.
6089         (Output_data_plt_i386::rel_tls_desc): New function.
6090         (Target_i386::rel_tls_desc_section): New function.
6091         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6092         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6093         R_386_TLS_DESC reloc in rel_tls_desc_section.
6094         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6095         Define struct Tlsdesc_info.
6096         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6097         (Target_x86_64::do_reloc_symbol_index): New function.
6098         (Target_x86_64::add_tlsdesc_info): New function.
6099         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6100         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6101         tlsdesc_rel_ field.
6102         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6103         all callers.
6104         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6105         (Target_x86_64::rela_tlsdesc_section): New function.
6106         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6107         handling.
6108         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6109         (Target_x86_64::do_reloc_addend): New function.
6110         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6111         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6112         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6113         (Output_reloc::type): New function.
6114         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6115         (Output_reloc::is_target_specific): New function.
6116         (Output_reloc::target_arg): New function.
6117         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6118         absolute relocs and target specific relocs.
6119         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6120         add_target_specific.
6121         (class Output_data_reloc) [SHT_RELA]: Likewise.
6122         * output.cc (Output_reloc::Output_reloc): Add four new versions
6123         for absolute relocs and target specific relocs.
6124         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6125         (Output_reloc::get_symbol_index): Likewise.
6126         (Output_reloc::local_section_offset): Check that local_sym_index_
6127         is not TARGET_CODE or 0.
6128         (Output_reloc::symbol_value): Likewise.
6129         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6130         reloc.
6131         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6132         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6133         functions.
6134         * layout.cc (add_target_dynamic_tags): Use output section for
6135         DT_PLTRELSZ and DT_JMPREL.
6136
6137 2010-01-07  Ian Lance Taylor  <iant@google.com>
6138
6139         PR 11061
6140         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6141         function.
6142         (class Output_data_reloc_generic): Define.
6143         (class Output_data_reloc_base): Change base class to
6144         Output_data_reloc_generic.  Change add() method to call
6145         bump_relative_reloc_count for a relative reloc.  Remove
6146         sort_relocs_ field.
6147         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6148         to sort_relocs().
6149         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6150         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6151         appropriate.
6152         * layout.h (class Layout): Update declaration.
6153
6154 2010-01-07  Ian Lance Taylor  <iant@google.com>
6155
6156         * output.h (class Output_data): Add const version of
6157         output_section and do_output_section.
6158         (class Output_section_data): Add const version of
6159         do_output_section.
6160         (class Output_section): Likewise.
6161         * layout.cc (Layout::add_target_dynamic_tags): New function.
6162         * layout.h (class Layout): Update declarations.
6163         * arm.cc (Target_arm::do_finalize_sections): Use
6164         add_target_dynamic_tags.
6165         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6166         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6167         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6168         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6169
6170 2010-01-07  Ian Lance Taylor  <iant@google.com>
6171
6172         PR 11042
6173         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6174         object as needed.
6175
6176 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6177             Ian Lance Taylor  <iant@google.com>
6178
6179         PR 11019
6180         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6181         Xindex::read_symtab_xindex.
6182
6183 2010-01-07  Doug Kwan  <dougkwan@google.com>
6184
6185         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6186         (Insn_template::thumb16_bcond_insn): New method declaration.
6187         (Insn_template): Fix spelling.
6188         (Stub::thumb16_special): New method declaration.
6189         (Stub::do_write): Define virtual method which was previously pure
6190         virtual.
6191         (Stub::do_thumb16_special): New method declaration.
6192         (Stub::do_fixed_endian_write): New template member.
6193         (Reloc_stub::do_write): Remove.
6194         (Reloc_stub::do_fixed_endian_write): Remove.
6195         (Cortex_a8_stub): New class definition.
6196         (Stub_factory::make_cortex_a8_stub): New method definition.
6197         (Stub_factory::Stub_factory): Add missing static storage class
6198         qualifier for elf32_arm_stub_a8_veneer_blx.
6199
6200 2010-01-07  Ian Lance Taylor  <iant@google.com>
6201
6202         PR 10980
6203         * options.h (class General_options): Add --warn-unresolved-symbols
6204         and --error-unresolved-symbols.
6205         * errors.cc (Errors::undefined_symbol): Implement
6206         --warn-unresolved-symbols.
6207
6208         * options.h (class General_options): Add -z text and -z textoff.
6209         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6210
6211 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6212
6213         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6214         (Garbage_collection::cident_sections): New function.
6215         (Garbage_collection::add_cident_section): New function.
6216         (Garbage_collection::cident_sections_): New member.
6217         (gc_process_relocs): Add references to sections whose names are C
6218         identifiers.
6219         * gold.h (cident_section_start_prefix): New constant.
6220         (cident_section_stop_prefix): New constant.
6221         (is_cident): New function.
6222         * layout.cc (Layout::define_section_symbols): Replace string constants
6223         with the newly defined constants.
6224         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6225         C identifiers.
6226         * testsuite/Makefile.am: Add gc_orphan_section_test.
6227         * testsuite/Makefile.in: Regenerate.
6228         * testsuite/gc_orphan_section_test.cc: New file.
6229         * testsuite/gc_orphan_section_test.sh: New file.
6230
6231 2010-01-06  Ian Lance Taylor  <iant@google.com>
6232
6233         PR 10980
6234         * options.h (class General_options): Add --warn-shared-textrel.
6235         * layout.cc (Layout::finish_dynamic_section): Implement
6236         --warn-shared-textrel.
6237
6238         PR 10980
6239         * options.h (class General_options): Add --warn-multiple-gp.
6240
6241 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6242
6243         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6244         $(THREADSLIB) and $(LIBDL).
6245         * Makefile.in: Rebuild.
6246
6247 2010-01-06  Ian Lance Taylor  <iant@google.com>
6248
6249         PR 10980
6250         * options.cc (General_options::parse_section_start): New function.
6251         (General_options::section_start): New function.
6252         (General_options::General_options): Initialize all members.
6253         * options.h: Include <map>
6254         (class General_options): Add --section-start.  Add section_starts_
6255         member.
6256         * layout.cc (Layout::attach_allocated_section_to_segment): If
6257         --section-start was used, set the address of the segment.  Remove
6258         local sort_sections.
6259         (Layout::relaxation_loop_body): If the address of the load segment
6260         has been set by --section-start, don't use it.
6261         * output.h (Output_segment::update_flags_for_output_section): New
6262         function.
6263         * output.cc (Output_segment::add_output_section): Call
6264         update_flags_for_output_section.
6265
6266 2010-01-05  Ian Lance Taylor  <iant@google.com>
6267
6268         PR 10980
6269         * options.h (class General_options): Add --undefined-version.
6270         * script.cc (struct Version_expression): Add was_matched_by_symbol
6271         field.
6272         (Version_script_info::matched_symbol): New function.
6273         (Version_script_info::get_symbol_version_helper): Call
6274         matched_symbol.
6275         (Version_script_info::check_unmatched_names): New function.
6276         * script.h (class Version_script_info): Update declarations.
6277         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6278
6279         * options.h (class General_options): Use DEFINE_bool_alias for
6280         allow_multiple_definition.
6281         * resolve.cc (Symbol_table::should_override): Don't test
6282         allow_multiple_definition.
6283
6284         PR 10980
6285         * options.h (class General_options): Add --cref.
6286         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6287         until after printing cref table.
6288         * cref.cc: Include "symtab.h".
6289         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6290         (Cref_table_compare::operator()): New function.
6291         (Cref_inputs::gather_cref): New function.
6292         (filecol): New static const.
6293         (Cref_inputs::print_cref): New function.
6294         (Cref::print_cref): New function.
6295         * cref.h: Include <cstdio>.
6296         (class Cref): Update declarations.
6297         * mapfile.h (Mapfile::file): New function.
6298         * object.h (class Object): Define Symbols.  Declare virtual
6299         do_get_global_symbols.
6300         (Object::get_global_symbols): New function.
6301         * object.cc (Input_objects::add_object): Pass object to cref_ if
6302         --cref.
6303         (Input_objects::archive_start): Likewise.
6304         (Input_objects::archive_stop): Likewise.
6305         (Input_objects::print_cref): New function.
6306         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6307         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6308         --cref.
6309         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6310         function.
6311         * plugin.h (class Sized_pluginobj): Update declarations.
6312
6313 2010-01-05  Ian Lance Taylor  <iant@google.com>
6314
6315         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6316         to is_default_version.  Rename insdef to insdefault.
6317         (Symbol_table::add_from_relobj): Rename def to is_default_version
6318         and local to is_forced_local.
6319         (Symbol_table::add_from_pluginobj): Likewise.
6320         (Symbol_table::add_from_dynobj): Likewise.
6321         (Symbol_table::define_special_symbol): Rename insdef to
6322         insdefault.
6323
6324 2010-01-04  Ian Lance Taylor  <iant@google.com>
6325
6326         PR 10980
6327         * options.h (class General_options): Add
6328         --allow-multiple-definition and -z muldefs.
6329         * resolve.cc (Symbol_table::should_override): Don't warn about a
6330         multiple symbol definition if --allow-multiple-definition or -z
6331         muldefs.
6332
6333         PR 10980
6334         * options.h (class General_options): Add --add-needed and
6335         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6336         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6337         error if --copy-dt-needed-entries aka --add-needed is used and
6338         would cause a change in behaviour.
6339
6340         PR 10980
6341         * options.h (class General_options): Add -G as a short version of
6342         --shared.  Add no-op options -assert, -g, and -i.
6343
6344 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6345
6346         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6347         check for .text or .gnu.linkonce.t sections.
6348         * icf.cc (Icf::find_identical_sections): Ditto.
6349         Change the detection for mangled function name within the section
6350         name.
6351         * icf.h (is_section_foldable_candidate): New function.
6352
6353 2009-12-30  Ian Lance Taylor  <iant@google.com>
6354
6355         PR 10980
6356         * options.h (class General_options): Permit two dashes with
6357         --retain-symbols-file.
6358
6359 2009-12-30  Ian Lance Taylor  <iant@google.com>
6360
6361         PR 10979
6362         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6363         don't put the file header and segment headers in the text
6364         segment.
6365
6366         PR 10979
6367         * common.cc (Sort_commons::operator()): Stabilize sort when both
6368         entries are NULL.
6369         (Symbol_table::do_allocate_commons_list): When allocating common
6370         symbols, skip a symbol which is no longer common.
6371         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6372         an object before checking its type.
6373         * testsuite/common_test_2.c: New file.
6374         * testsuite/common_test_3.c: New file.
6375         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6376         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6377         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6378         (common_test_2_pic.o, common_test_2.so): New targets.
6379         (common_test_3_pic.o, common_test_3.so): New targets.
6380         * testsuite/Makefile.in: Rebuild.
6381
6382         PR 10979
6383         * script.cc (read_input_script): If we see a new SECTIONS clause,
6384         and we have added an input section, give an error.
6385         * layout.h (class Layout): Add have_added_input_section function.
6386         Add have_added_input_section_ field.
6387         * layout.cc (Layout::Layout): Initialize
6388         have_added_input_section_.
6389         (Layout::layout): Set have_added_input_section_.
6390         (Layout::layout_eh_frame): Likewise.
6391
6392 2009-12-30  Ian Lance Taylor  <iant@google.com>
6393
6394         PR 10931
6395         * options.h (class General_options): Add --sort-common option.
6396         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6397         * common.cc (Sort_common): Add sort_order parameter to
6398         constructor.  Add sort_order_ field.
6399         (Sort_commons::operator): Check sort_order_.
6400         (Symbol_table::allocate_commons): Determine the sort order.
6401         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6402         Change all callers.
6403         (Symbol_table::do_allocate_commons_list): Likewise.
6404
6405 2009-12-30  Ian Lance Taylor  <iant@google.com>
6406
6407         PR 10916
6408         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6409         symbols from this object, don't change the visibility of an
6410         undefined symbol.
6411         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6412
6413 2009-12-30  Ian Lance Taylor  <iant@google.com>
6414
6415         PR 10861
6416         * script.h (class Version_script_info): Define Language enum.
6417         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6418         new fields globals_, locals_, and is_finalized_.
6419         * script.cc: Various formatting fixes.
6420         (class Parser_closure): Change language_stack_ from a vector of
6421         std::string to one of Version_script_info::Language.  Adjust all
6422         uses accordingly.
6423         (class Lazy_demangler): Remove.
6424         (struct Version_expression): Change language from std::string to
6425         Version_script_info::Language.
6426         (Version_script_info::Version_script_info): New function.
6427         (Version_script_info::~Version_script_info): Don't call clear.
6428         (Version_script_info::finalize): New function.
6429         (Version_script_info::build_lookup_tables): New function.
6430         (Version_script_info::build_expression_list_lookup): New
6431         function.
6432         (Version_script_info::get_symbol_version_helper): Rewrite to use
6433         lookup tables.
6434         (Version_script_info::print_expression_list): Adjust to use
6435         Version_script_info::Language.
6436         (script_push_lex_into_version_mode): Check that the version script
6437         has not been finalized.
6438         (version_script_push_lang): Change language string to
6439         Version_script_info::Language.
6440         * options.cc (Command_line::version_script): New function.
6441         * options.h (class General_options): Add finalize_dynamic_list
6442         function.  Change version_script from declaration to definition.
6443         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6444         * testsuite/version_script.map: Remove duplicate def of foo.
6445         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6446         version_script.map.
6447         * testsuite/Makefile.in: Rebuild.
6448
6449 2009-12-30  Ian Lance Taylor  <iant@google.com>
6450
6451         PR 10843
6452         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6453         if the input symbol index is 0, make the output symbol index 0.
6454
6455 2009-12-30  Ian Lance Taylor  <iant@google.com>
6456
6457         PR 10670
6458         * options.h (class General_options): Add -x/--discard-all.
6459         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6460         --discard-all.  If the local symbol needs a dynamic entry, check
6461         that before handling --discard-locals.
6462
6463 2009-12-30  Ian Lance Taylor  <iant@google.com>
6464
6465         PR 10450
6466         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6467         flags to PF_R.
6468         (Output_segment::add_output_section): Don't change the flags if
6469         the type is PT_TLS.
6470
6471         PR 10450
6472         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6473         GNU hash table if they need a dynamic value.  Otherwise, don't add
6474         them if they are defined in a dynamic object or are forced local.
6475
6476 2009-12-29  Ian Lance Taylor  <iant@google.com>
6477
6478         PR 10450
6479         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6480         .gnu.hash table for a 32-bit target.
6481
6482         PR 10450
6483         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6484         regular and a dynamic object only needs a dynamic symbol table
6485         entry if it is externally visible.
6486
6487         PR 10450
6488         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6489         constructor.  Add global_offset_table_ field.
6490         (Target_i386::got_section): Set global_offset_table_.
6491         (Target_i386::do_finalize_sections): Set global_offset_table_
6492         size.
6493         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6494         in constructor.  Add global_offset_table_ field.
6495         (Target_x86_64::got_section): Set global_offset_table_.
6496         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6497         size.
6498
6499         * layout.cc (Layout::Layout): Initialize increase_relro_.
6500         (Layout::get_output_section): Add is_relro, is_last_relro, and
6501         is_first_non_relro parameters.  Change all callers.
6502         (Layout::choose_output_section): Likewise.
6503         (Layout::add_output_section_data): Likewise.
6504         (Layout::make_output_section): Likewise.
6505         (Layout::set_segment_offsets): Clear increase_relro when using a
6506         linker script.
6507         * layout.h (class Layout): Add increase_relro method.  Add
6508         increase_relro_ field.  Update declarations.
6509         * output.cc (Output_section::Output_section): Initialize
6510         is_last_relro_ and is_first_non_relro_.
6511         (Output_segment::add_output_section): Group relro sections is
6512         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6513         (Output_segment::maximum_alignment): Remove relro handling.
6514         (Output_segment::set_section_addresses): Add increase_relro
6515         parameter.  Change all callers.  Add initial alignment to align
6516         relro sections on separate page.  Remove old relro handling.
6517         (Output_segment::set_section_list_addresses): Remove in_relro
6518         parameter.  Change all callers.
6519         (Output_segment::set_offset): Add increase parameter.  Change all
6520         callers.  Remove old relro handling.
6521         * output.h (class Output_section): Add new methods: is_last_relro,
6522         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6523         Add is_last_relro_ and is_first_non_relro_ fields.
6524         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6525         Create separate .got.plt section.  Call increase_relro.
6526         * x86_64.cc (Target_x86_64::got_section): Likewise.
6527         * testsuite/relro_script_test.t: Add .got.plt.
6528
6529         PR 10450
6530         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6531         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6532         (Layout::finalize): Call set_dynamic_symbol_size.
6533         (Layout::set_dynamic_symbol_size): New function.
6534         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6535         set_dynamic_symbol_size.
6536
6537         PR 10450
6538         * output.h (class Output_section): Add is_entsize_zero_ field.
6539         * output.cc (Output_section::Output_section): Initialize
6540         is_entsize_zero_.
6541         (Output_section::set_entsize): If two different entsizes are
6542         requested, force it to zero.
6543         (Output_section::add_input_section): Set flags for .debug_str
6544         before updating section flags.  Set entsize.
6545         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6546         and SHF_STRING if all input sections have those flags.
6547
6548 2009-12-29   Rafael Espindola  <espindola@google.com>
6549
6550         * main.cc (main): Fix the sys time reporting.
6551         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6552         reporting.
6553
6554 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6555
6556         * options.cc (General_options::parse_version): Allow -v to exit
6557         without an error if there is nothing to link.
6558
6559 2009-12-29  Ian Lance Taylor  <iant@google.com>
6560
6561         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6562         using a version of gcc before 4.1.
6563         * configure: Rebuild.
6564
6565 2009-12-28  Chris Demetriou  <cgd@google.com>
6566
6567         * attributes.cc (Output_attributes_section_data::do_write): Use
6568         std::vector::front rather than std::vector::data.
6569
6570 2009-12-28  Ian Lance Taylor  <iant@google.com>
6571
6572         * symtab.h (class Symbol_table): Add enum Defined.
6573         * resolve.cc (Symbol_table::should_override): Add defined
6574         parameter.  Change all callers.  Test whether object is NULL
6575         before calling a method on it.
6576         (Symbol_table::report_resolve_problem): Add defined parameter.
6577         Change all callers.
6578         (Symbol_table::should_override_with_special): Likewise.
6579         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6580         parameter.  Change all callers.
6581         (Symbol_table::do_define_in_output_data): Likewise.
6582         (Symbol_table::define_in_output_segment): Likewise.
6583         (Symbol_table::do_define_in_output_segment): Likewise.
6584         (Symbol_table::define_as_constant): Likewise.
6585         (Symbol_table::do_define_as_constant): Likewise.
6586         * script.h (class Symbol_assignment): Add is_defsym parameter to
6587         constructor; change all callers.
6588         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6589         parameter.  Change all callers.  Add is_defsym_ field.
6590         (class Parser_closure): Add parsing_defsym parameter to
6591         constructor; change all callers.  Add parsing_defsym accessor
6592         function.  Add parsing_defsym_ field.
6593
6594 2009-12-28  Ian Lance Taylor  <iant@google.com>
6595
6596         * gold.cc (queue_middle_tasks): Fix formatting.
6597         * object.cc (Relobj::is_section_name_included): Likewise.
6598
6599 2009-12-23  Ian Lance Taylor  <iant@google.com>
6600
6601         * i386.cc (Target_i386::do_calls_non_split): Recognize
6602         -fsplit-stack prologue for a function with a static chain.
6603         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6604         -fsplit-stack prologue when using %r11.
6605
6606 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6607
6608         * options.cc (General_options::parse_version): Make -v continue and do
6609         the link like GNU ld does.
6610
6611 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6612
6613         * Makefile.am (CCFILES): Add timer.cc.
6614         (HFILES): Add timer.h.
6615         * configure.ac: Check for sysconf and times.
6616         * main.cc: include timer.h.
6617         (main): Use Timer instead of get_run_time.
6618         * timer.cc: New.
6619         * timer.h: New.
6620         * workqueue.cc: include timer.h.
6621         (Workqueue::find_and_run_task):
6622         Report user, sys and wall time.
6623         * Makefile.in: Regenerate.
6624         * config.in: Regenerate.
6625         * configure: Regenerate.
6626
6627 2009-12-16  Doug Kwan  <dougkwan@google.com>
6628
6629         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6630         sections.
6631         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6632         relaxed input sections.
6633         * output.cc (Output_section::find_relaxed_input_section): Change
6634         return type to Output_relaxed_input_section pointer.  Adjust code
6635         for new type of relaxed_input_section_map_.
6636         * output.h (Output_section::find_relaxed_input_section): Change
6637         return type to Output_relaxed_input_section pointer.
6638         (Output_section::Output_relaxed_input_section_by_input_section_map):
6639         New type.
6640         (Output_section::relaxed_input_section_map_): Change type to
6641         Output_section::Output_relaxed_input_section_by_input_section_map.
6642         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6643         input section.
6644
6645 2009-12-15  Ian Lance Taylor  <iant@google.com>
6646
6647         * layout.cc (Layout::create_shstrtab): Only write out after input
6648         sections if we are compressing debug sections.
6649
6650 2009-12-15  Ian Lance Taylor  <iant@google.com>
6651
6652         * archive.cc (Archive::add_symbols): Only look up a symbol without
6653         a version if there is, in fact, a version.
6654
6655 2009-12-14  Ian Lance Taylor  <iant@google.com>
6656
6657         Revert -Wshadow changes, all changes from:
6658         2009-12-11  Doug Kwan  <dougkwan@google.com>
6659         2009-12-11  Nick Clifton  <nickc@redhat.com>
6660         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6661
6662 2009-12-11  Doug Kwan  <dougkwan@google.com>
6663
6664         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6665         due to -Wshadow.
6666         * attributes.cc (Object_attribute::size): Ditto.
6667         (Attributes_section_data::size): Ditto.
6668         (Attributes_section_data::Attributes_section_data): Ditto.
6669         (Output_attributes_section_data::do_write): Ditto.
6670         * attributes.h (Object_attribute::set_type): Ditto.
6671         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6672
6673 2009-12-11  Nick Clifton  <nickc@redhat.com>
6674
6675         * archive.cc: Fix shadowed variable warnings.
6676         * arm.cc: Likewise.
6677         * compressed_output.cc: Likewise.
6678         * compressed_output.h: Likewise.
6679         * configure: Likewise.
6680         * dwarf_reader.cc: Likewise.
6681         * dynobj.cc: Likewise.
6682         * dynobj.h: Likewise.
6683         * ehframe.cc: Likewise.
6684         * ehframe.h: Likewise.
6685         * errors.cc: Likewise.
6686         * expression.cc: Likewise.
6687         * fileread.cc: Likewise.
6688         * fileread.h: Likewise.
6689         * freebsd.h: Likewise.
6690         * i386.cc: Likewise.
6691         * icf.cc: Likewise.
6692         * incremental.h: Likewise.
6693         * layout.cc: Likewise.
6694         * layout.h: Likewise.
6695         * mapfile.cc: Likewise.
6696         * merge.cc: Likewise.
6697         * merge.h: Likewise.
6698         * object.cc: Likewise.
6699         * object.h: Likewise.
6700         * options.h: Likewise.
6701         * output.cc: Likewise.
6702         * output.h: Likewise.
6703         * parameters.cc: Likewise.
6704         * plugin.cc: Likewise.
6705         * powerpc.cc: Likewise.
6706         * reduced_debug_output.cc: Likewise.
6707         * reduced_debug_output.h: Likewise.
6708         * reloc.cc: Likewise.
6709         * reloc.h: Likewise.
6710         * resolve.cc: Likewise.
6711         * script-sections.cc: Likewise.
6712         * script.cc: Likewise.
6713         * script.h: Likewise.
6714         * sparc.cc: Likewise.
6715         * symtab.cc: Likewise.
6716         * symtab.h: Likewise.
6717         * target-select.cc: Likewise.
6718         * target-select.h: Likewise.
6719         * token.h: Likewise.
6720         * workqueue.cc: Likewise.
6721         * workqueue.h: Likewise.
6722         * x86_64.cc: Likewise.
6723
6724 2009-12-10  Doug Kwan  <dougkwan@google.com>
6725
6726         * arm.cc (attributes.h): New include.
6727         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6728         (Arm_relobj::~Arm_relobj): Delete object pointed by
6729         attributes_section_data_.
6730         (Arm_relobj::attributes_section_data): New method definition.
6731         (Arm_relobj::attributes_section_data_): New data member declaration.
6732         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6733         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6734         attributes_section_data_.
6735         (Arm_dynobj::attributes_section_data): New method definition.
6736         (Arm_dynobj::attributes_section_data_): New data member declaration.
6737         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6738         initialization value of may_use_blx_ to false.
6739         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6740         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6741         object attributes to compute results instead of hard-coding.
6742         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6743         Target_arm::get_secondary_compatible_arch,
6744         Target_arm::set_secondary_compatible_arch
6745         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6746         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6747         New method declarations.
6748         (Target_arm::get_aeabi_object_attribute): New method definition.
6749         (Target_arm::attributes_section_data_): New data member declaration.
6750         (read_arm_attributes_section): New template definition.
6751         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6752         (Arm_dynobj::do_read_symbols): Ditto.
6753         (Target_arm::do_finalize_sections): Merge attributes sections from
6754         input.  Check for BLX use after attributes section merging.
6755         Fix __exidx_start and __exidx_end visibility.  Create an
6756         .ARM.attributes section if necessary.
6757         (Target_arm::get_secondary_compatible_arch,
6758         Target_arm::set_secondary_compatible_arch,
6759         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6760         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6761         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6762         New method definitions.
6763
6764 2009-12-09  Ian Lance Taylor  <iant@google.com>
6765
6766         * plugin.cc (Plugin::load): Don't cast from void* to a function
6767         pointer.
6768
6769 2009-12-09  Ian Lance Taylor  <iant@google.com>
6770
6771         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6772         information fields.
6773
6774 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6775
6776         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6777         Replace two_file_shared_1.so with two_file_shared_2.so.
6778         * testsuite/Makefile.in: Regenerated.
6779
6780 2009-12-08  Doug Kwan  <dougkwan@google.com>
6781
6782         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6783         (HFILES): Add attributes.h and int_encoding.h.
6784         * Makefile.in: Regenerate.
6785         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6786         function definitions to int_encoding.cc
6787         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6788         prototypes to int_encoding.h
6789         * reduced_debug_output.cc (int_encoding.h): New include.
6790         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6791         function definitions to int_encoding.cc
6792         (insert_into_vector, read_from_pointer): Move template definitions to
6793         int_encoding.h
6794         * attributes.cc: New file.
6795         * attributes.h: New file.
6796         * int_encoding.cc: New file.
6797         * int_encoding.h: New file.
6798
6799 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6800
6801         PR gold/11055
6802         * incremental-dump.cc (dump_incremental_inputs): New.
6803         (main): Use dump_incremental_inputs.
6804
6805 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6806
6807         PR gold/10893
6808         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6809         checking elfcpp::STT_FUNC.
6810         (Target_i386::Relocate::relocate): Likewise.
6811         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6812
6813         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6814         symbols from shared libraries into normal FUNC symbols.
6815
6816         * symtab.h (Symbol): Add is_func and use it.
6817
6818 2009-12-05  Doug Kwan  <dougkwan@google.com>
6819
6820         * arm.cc (Target_arm::arm_info): Initialize new fields
6821         attributes_section and attributes_vendor.
6822         * i386.cc (Target_i386::i386_info): Same.
6823         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6824         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6825         fields attributes_section and attributes_vendor.
6826         * sparc.cc (Target_sparc::sparc_info): Same.
6827         * target.h (Target::attributes_section, Target::attributes_vendor,
6828         Target::is_attributes_section, Target::attribute_arg_type,
6829         Target::attributes_order): New method definitions.
6830         (Target::Target_info::attributes_section,
6831         Target::Target_info::attributes_vendor): New fields.
6832         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6833         virtual method definitions.
6834         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6835         attributes_section and attributes_vendor.
6836         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6837
6838 2009-12-05  Doug Kwan  <dougkwan@google.com>
6839
6840         * arm.cc: Update comments about interworking and stub generation.
6841         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6842         considered as non-PIC.
6843         (Arm_relocate_functions::base_abs): Fix formatting.
6844         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6845         of function to use GOT entry address instead of offset.
6846         (Target_arm::Scan::global): Issue an error if a symbol would need a
6847         PLT does not get one because it is untyped.  Remove code to create
6848         dynamic symbols for relative branches.
6849         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6850         takes unsigned integer instead of boolean.
6851
6852 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6853
6854         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6855         (two_file_test_LDADD): Likewise.
6856         (common_test_1_LDADD): Likewise.
6857         (exception_test_LDADD) Likewise.
6858         (weak_test_LDADD): Likewise.
6859         (many_sections_test_LDADD): Likewise.
6860         (initpri1_LDADD): Likewise.
6861         (script_test_1_LDADD): Likewise.
6862         (script_test_2_LDADD): Likewise.
6863         (justsyms_LDADD): Likewise.
6864         (binary_test_LDADD): Likewise.
6865         (large_LDADD): Likewise.
6866         * testsuite/Makefile.in: Regenerated.
6867
6868 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6869
6870         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6871         (Symbol_table::override_with_special): Likewise.
6872         (Symbol_table::add_from_object): Likewise.
6873
6874 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6875
6876         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6877         Don't set the data_offset twice.
6878
6879 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6880
6881         * testsuite/Makefile.in: Regenerate.
6882
6883 2009-12-03  Doug Kwan  <dougkwan@google.com>
6884
6885         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6886         (Target_arm::do_finalize_sections): Add parameter for symbol table
6887         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6888         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6889         parameter for symbol table pointer.
6890         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6891         an additional parameter for a pointer to symbol table.
6892         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6893         parameter for a symbol table pointer.
6894         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6895         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6896         Ditto.
6897         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6898         parameter for a symbol table pointer.
6899
6900 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6901
6902         * incremental.cc (Incremental_inputs_header)
6903         (Incremental_inputs_header_write, Incremental_inputs_entry)
6904         (Incremental_inputs_entry_write): Move ...
6905         * incremental.h (Incremental_inputs_header)
6906         (Incremental_inputs_header_write, Incremental_inputs_entry)
6907         (Incremental_inputs_entry_write): here.
6908
6909 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6910
6911         * incremental.cc (make_sized_incremental_binary): Set the target.
6912         Error if it is incompatible.
6913         * output.h (Output_file): Add filename method.
6914
6915 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6916
6917         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6918         from the get_* methods.
6919
6920 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6921
6922         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6923         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6924         Write 0 for the data_offset of scripts.
6925
6926 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6927
6928         * testsuite/Makefile.am: Add the incremental_test.sh test.
6929         * testsuite/incremental_test.sh: New.
6930         * testsuite/incremental_test_1.c: New.
6931         * testsuite/incremental_test_2.c: New.
6932
6933 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6934
6935        * incremental-dump.cc (main): Fix typos.
6936
6937 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6938
6939         PR gold/11025
6940         * incremental-dump.cc (main): Use llu to print 64 bit values.
6941
6942 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6943             H.J. Lu  <hongjiu.lu@intel.com>
6944
6945         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6946         $(LIBDL).
6947         (incremental_dump_LDADD): Likewise.
6948         * Makefile.in: Regenerated.
6949
6950 2009-11-25  Doug Kwan  <dougkwan@google.com>
6951
6952         Revert:
6953
6954         2009-11-25  Doug Kwan  <dougkwan@google.com>
6955
6956                 * arm.cc (Target_arm::Target_arm): Move method definition
6957                 outside of class definition.  Add code to handle
6958                 --target1-rel, --target1-abs and --target2= options.
6959                 (Target_arm::get_reloc_reloc_type): Change method to be
6960                 non-static and const.
6961                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6962                 New data member declaration.
6963                 (Target_arm::Scan::local, Target_arm::Scan::global,
6964                 Target_arm::Relocate::relocate,
6965                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6966                 Adjust call to Target_arm::get_real_reloc_type.
6967                 (Target_arm::get_real_reloc_type): Use command line options
6968                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6969                 * options.h (--target1-rel, --target1-abs, --target2): New
6970                 ARM-only options.
6971
6972 2009-11-25  Doug Kwan  <dougkwan@google.com>
6973
6974         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6975         class definition.  Add code to handle --target1-rel, --target1-abs
6976         and --target2= options.
6977         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6978         and const.
6979         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6980         member declaration.
6981         (Target_arm::Scan::local, Target_arm::Scan::global,
6982         Target_arm::Relocate::relocate,
6983         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6984         call to Target_arm::get_real_reloc_type.
6985         (Target_arm::get_real_reloc_type): Use command line options to
6986         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6987         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6988         options.
6989
6990 2009-11-25  Doug Kwan  <dougkwan@google.com>
6991
6992         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6993         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6994         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6995         formatting.
6996         (Arm_relocate_functions::thm_call): Replace body with a call to
6997         Arm_relocate_functions::thumb_branch_common.
6998         (Arm_relocate_functions::thm_jump24,
6999         Arm_relocate_functions::thm_xpc22): New method definitions.
7000         (Arm_relocate_functions::thumb_branch_common): New method definition.
7001         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7002         operator.
7003         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7004         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7005
7006 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7007
7008         * Makefile.am: Build incremental-dump
7009         * Makefile.in: Regenerate.
7010         * incremental-dump.cc: New.
7011         * incremental.cc (Incremental_inputs_header_data,
7012         Incremental_inputs_entry_data): Move to incremental.h
7013         * incremental.h: (Incremental_inputs_header_data,
7014         Incremental_inputs_entry_data): Move from incremental.cc
7015
7016 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7017
7018         * incremental.cc (Incremental_inputs_header,
7019         Incremental_inputs_header_write, Incremental_inputs_entry,
7020         Incremental_inputs_entry_write): Add a typedef with the data type.
7021
7022 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7023
7024         * incremental.cc (Incremental_inputs_header,
7025         Incremental_inputs_header_write, Incremental_inputs_entry,
7026         Incremental_inputs_entry_write): Update comment about which
7027         type has the filed descriptions.
7028
7029 2009-11-15  Doug Kwan  <dougkwan@google.com>
7030
7031         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7032         (Arm_relocate_functions::arm_branch_common): Change method defintion
7033         in class definition to a method declaration and update list of formal
7034         parameters.
7035         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7036         Arm_relocation_functions::jump24): Adjust call to
7037         Arm_relocate_functions::arm_branch_common.  Update list of formal
7038         parameters.
7039         (Arm_relocate_functions::xpc25): New method definition.
7040         (Arm_relocate_functions::arm_branch_common): Move method defintion
7041         out from class definition.  Use stubs for mode-switching and extending
7042         branch ranges.
7043         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7044         specially.  Change code to enable use of stubs in ARM branches.
7045
7046 2009-11-10  Doug Kwan  <dougkwan@google.com>
7047
7048         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7049         in method declaration.
7050         (Target_arm::relocate_stub): New method declaration.
7051         (Target_arm::default_target): Change to return a pointer instead of
7052         a const reference.
7053         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7054         Target_arm::default_target.
7055         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7056         method definition.
7057         (Target_arm::relocate_section): Adjust view.
7058         (Target_arm::relocate_stub): New method definition.
7059
7060 2009-11-10  Doug Kwan  <dougkwan@google.com>
7061
7062         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7063         a format warning.
7064         * incremental.cc (open_incremental_binary): Initialized local
7065         variables to avoid warnings.
7066         * object.cc (make_elf_object): Ditto.
7067         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7068         a format warning.
7069
7070 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7071
7072         PR gold/10930
7073         * testsuite/plugin_test.c: Include "config.h".
7074
7075 2009-11-09  Doug Kwan  <dougkwan@google.com>
7076
7077         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7078         (arm_symbol_value): Remove.
7079         (Arm_relocate_functions::arm_branch_common,
7080         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7081         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7082         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7083         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7084         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7085         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7086         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7087         Arm_relocate_functions::thm_mobw_abs_nc,
7088         Arm_relocate_functions::thm_mov_abs,
7089         Arm_relocate_functions::movw_prel_nc,
7090         Arm_relocate_functions::thm_movt_abs,
7091         Arm_relocate_functions::movt_prel,
7092         Arm_relocate_functions::thm_movw_prel_nc,
7093         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7094         (Target_arm::Relocate::relocate): Only decompose address into two
7095         parts if relocation type uses the thumb-bit and pass the actual
7096         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7097         calls to methods in Arm_relocate_functions for this change.
7098
7099 2009-11-08  Ian Lance Taylor  <iant@google.com>
7100
7101         PR 10925
7102         * reloc.cc: Instantiate
7103         Sized_relobj::initialize_input_to_output_maps and
7104         Sized_relobj:free_input_to_output_maps.
7105
7106 2009-11-06  Ian Lance Taylor  <iant@google.com>
7107
7108         PR 10876
7109         * defstd.cc (in_segment): Set only_if_ref true for "end".
7110
7111 2009-11-06  Doug Kwan  <dougkwan@google.com>
7112
7113         * arm.cc (class Reloc_stub): Correct a comment.
7114         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7115         (Target_arm::scan_section_for_stubs): New method declaration.
7116         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7117         Change methods from private to protected.
7118         (Target_arm::do_may_relax): New method definition.
7119         (Target_arm::do_relax, Target_arm::group_sections,
7120         Target_arm::scan_reloc_for_stub,
7121         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7122         (Target_arm::arm_input_section_map_): New data member declaration.
7123         (Target_arm::scan_reloc_for_stub,
7124         Target_arm::scan_reloc_section_for_stubs,
7125         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7126         Target_arm::do_relax): New method definitions.
7127
7128 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7129
7130         * configure.ac: Check for (struct stat)::st_mtim
7131         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7132         * config.in: Regenerate.
7133         * configure: Regenerate.
7134
7135 2009-11-05  Ian Lance Taylor  <iant@google.com>
7136
7137         PR 10910
7138         * output.cc (Output_segment::add_output_section): Add missing
7139         return statement.
7140
7141 2009-11-04  Ian Lance Taylor  <iant@google.com>
7142
7143         PR 10880
7144         * object.h (class Object): Add is_needed and set_is_needed
7145         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7146         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7147         defined in a dynamic object and referenced by a regular object,
7148         set is_needed for the dynamic object.
7149         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7150         if the file is marked with as_needed and it is not needed.
7151
7152 2009-11-04  Ian Lance Taylor  <iant@google.com>
7153
7154         PR 10887
7155         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7156         tags if data is discarded by linker script.
7157         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7158         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7159         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7160         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7161
7162 2009-11-04  Ian Lance Taylor  <iant@google.com>
7163
7164         * layout.cc (Layout::get_output_section): Add is_interp and
7165         is_dynamic_linker_section parameters.  Change all callers.
7166         (Layout::choose_output_section): Likewise.
7167         (Layout::make_output_section): Likewise.
7168         (Layout::add_output_section_data): Add is_dynamic_linker_section
7169         parameter.  Change all callers.
7170         * layout.h (class Layout): Update declarations.
7171         * output.h (class Output_section): Add is_interp, set_is_interp,
7172         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7173         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7174         generate_code_fills_at_write_ to a bitfield.
7175         * output.cc (Output_section::Output_sections): Initialize new
7176         fields.
7177         (Output_segment::add_output_section): Add do_sort parameter.
7178         Change all callers.
7179
7180 2009-11-03  Ian Lance Taylor  <iant@google.com>
7181
7182         PR 10860
7183         * options.h (class General_options): Add --warn-common.
7184         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7185         merging two common symbols.
7186         (Symbol_table::should_override): Handle --warn-common when merging
7187         a common symbol with a defined symbol.  Use report_resolve_problem
7188         for multiple definitions.
7189         (Symbol_table::report_resolve_problem): New function.
7190         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7191
7192 2009-11-03  Doug Kwan  <dougkwan@google.com>
7193
7194         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7195         stub_factory_.
7196         (Target_arm::stub_factory): New method definition.
7197         (Target_arm::new_arm_input_section,
7198         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7199         Target_arm::reloc_uses_thumb_bit): New method declarations.
7200         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7201         New type definitions.
7202         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7203         member declarations.
7204         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7205         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7206         New method definitions.
7207
7208 2009-11-03  Ian Lance Taylor  <iant@google.com>
7209
7210         * options.h (class General_options): Add --warn_constructors.
7211
7212 2009-11-03  Ian Lance Taylor  <iant@google.com>
7213
7214         PR 10893
7215         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7216         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7217
7218 2009-11-03  Ian Lance Taylor  <iant@google.com>
7219
7220         PR 10895
7221         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7222         --msgid-bugs-address.
7223         (install-pdf): New target.
7224         (install-data_yes): Look up one directory to find mkinstalldirs.
7225
7226 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7227
7228         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7229         tree.
7230
7231 2009-10-30  Doug Kwan  <dougkwan@google.com>
7232
7233         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7234
7235 2009-10-30  Doug Kwan  <dougkwan@google.com>
7236
7237         * arm.cc (Stub_addend_reader): New struct template definition
7238         and partial specializations.
7239         (Stub_addend_reader::operator()): New method definition for a
7240         partially specialized template.
7241
7242 2009-10-30  Doug Kwan  <dougkwan@google.com>
7243
7244         * arm.cc (Arm_relobj::processor_specific_flags): New method
7245         definition.
7246         (Arm_relobj::do_read_symbols): New method declaration.
7247         (Arm_relobj::processor_specific_flags_): New data member declaration.
7248         (Arm_dynobj): New class definition.
7249         (Target_arm::do_finalize_sections): Add input_objects parameter.
7250         (Target_arm::do_adjust_elf_header): New method declaration.
7251         (Target_arm::are_eabi_versions_compatible,
7252         (Target_arm::merge_processor_specific_flags): New method declaration.
7253         (Target_arm::do_make_elf_object): New overloaded method definitions
7254         and declaration.
7255         (Arm_relobj::do_read_symbols): New method definition.
7256         (Arm_dynobj::do_read_symbols): Ditto.
7257         (Target_arm::do_finalize_sections): Add input_objects parameters.
7258         Merge processor-specific flags from all input objects.
7259         (Target_arm::are_eabi_versions_compatible,
7260         Target_arm::merge_processor_specific_flags,
7261         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7262         New method definitions.
7263         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7264         Input_objects pointer type parameter.
7265         * layout.cc (Layout::finalize): Pass input objects to target's.
7266         finalize_sections function.
7267         * output.cc (Output_file_header::do_sized_write): Set ELF file
7268         header's processor-specific flags.
7269         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7270         Input_objects pointer type parameter.
7271         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7272         * target.h (Input_objects): New forward class declaration.
7273         (Target::processor_specific_flags,
7274         Target::are_processor_specific_flags_sect): New method definitions.
7275         (Target::finalize_sections): Add input_objects parameter.
7276         (Target::Target): Initialize processor_specific_flags_ and
7277         are_processor_specific_flags_set_.
7278         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7279         parameter.
7280         (Target::set_processor_specific_flags): New method definition.
7281         (Target::processor_specific_flags_,
7282         Target::are_processor_specific_flags_set_): New data member
7283         declarations.
7284         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7285         Input_objects pointer type parameter.
7286
7287 2009-10-30  Doug Kwan  <dougkwan@google.com>
7288
7289         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7290
7291 2009-10-28  Ian Lance Taylor  <iant@google.com>
7292
7293         * object.h (class Relobj): Drop options parameter from
7294         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7295         do_scan_relocs, do_relocate.  Change all callers.
7296         (class Sized_relobj): Drop options parameters from
7297         do_gc_process_relocs, do_scan_relocs, do_relocate,
7298         do_relocate_sections, relocate_sections, emit_relocs_scan,
7299         emit_relocs_scan_reltype.  Change all callers.
7300         (struct Relocate_info): Remove options field and all references to
7301         it.
7302         * reloc.h (class Read_relocs): Remove options constructor
7303         parameter and options_ field.  Change all callers.
7304         (class Gc_process_relocs, class Scan_relocs): Likewise.
7305         (class Relocate_task): Likewise.
7306         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7307         all callers.
7308         (scan_relocatable_relocs): Likewise.
7309         * target.h (class Sized_target): Remove options parameter from
7310         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7311         all callers.
7312         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7313         callers.
7314         * arm.cc: Update functions to remove options parameters.
7315         * i386.cc: Likewise.
7316         * powerpc.cc: Likewise.
7317         * sparc.cc: Likewise.
7318         * x86_64.cc: Likewise.
7319         * testsuite/testfile.cc: Likewise.
7320
7321 2009-10-28  Doug Kwan  <dougkwan@google.com>
7322
7323         * arm.cc (Arm_relobj): New class definition.
7324         (Arm_relobj::scan_sections_for_stubs,
7325         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7326         New method definitions.
7327
7328 2009-10-28  Cary Coutant  <ccoutant@google.com>
7329
7330         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7331         (Plugin::cleanup_done_): New member.
7332         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7333         (Plugin_manager::cleanup_done_): Remove.
7334         (Plugin_manager::add_input_file): Edit error message.
7335         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7336         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7337
7338 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7339
7340         * fileread.cc: (File_read::View::~View): Use the new
7341         data_ownership_ filed.
7342         (File_read::~File_read): Dispose the new whole_file_view_.
7343         (File_read::open): Mmap the whole file if needed.
7344         (File_read::open): Use whole_file_view_ instead of contents_.
7345         (File_read::find_view): Use whole_file_view_ if applicable.
7346         (File_read::do_read): Use whole_file_view_ instead of contents_.
7347         (File_read::make_view): Use whole_file_view_ instead of contents_,
7348         update File_read::View::View call.
7349         (File_read::find_or_make_view): Update File_read::View::View
7350         call.
7351         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7352         remove contents_
7353         (File_read::View::Data_ownership): New enum.
7354         (File_read::View::View): Replace bool mapped_ with Data_ownership
7355         argument.
7356         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7357         (File_read::View::data_ownership_): New field.
7358         (File_read::contents_): Remove (replaced by whole_file_view_).
7359         (File_read::whole_file_view_): New field.
7360         * options.h (class General_options): Add --keep-files-mapped.
7361
7362 2009-10-27  Cary Coutant  <ccoutant@google.com>
7363
7364         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7365         * testsuite/Makefile.am (plugin_test_5): New test case.
7366         * testsuite/Makefile.in: Regenerate.
7367
7368 2009-10-25  Doug Kwan  <dougkwan@google.com>
7369
7370         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7371         from private to protected to allow access by child class.
7372         (Sized_relobj::do_relocate_sections): New method declaration.
7373         (Sized_relobj::relocate_sections): Virtualize.
7374         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7375         Sized_relobj::relocate_sections.  Instantiate template explicitly
7376         for different target sizes and endianity.
7377
7378 2009-10-24  Doug Kwan  <dougkwan@google.com>
7379
7380         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7381         (Arm_input_section::as_arm_input_section): New method.
7382         (Arm_output_section): New class definition.
7383         (Arm_output_section::create_stub_group,
7384         Arm_output_section::group_sections): New method definitions.
7385
7386 2009-10-22  Doug Kwan  <dougkwan@google.com>
7387
7388         * arm.cc (Arm_input_section): New class definition.
7389         (Arm_input_section::init, Arm_input_section:do_write,
7390         Arm_input_section::set_final_data_size,
7391         Arm_input_section::do_reset_address_and_file_offset): New method
7392         definitions.
7393
7394 2009-10-21  Doug Kwan  <dougkwan@google.com>
7395
7396         * arm.cc (Stub_table, Arm_input_section): New forward class
7397         declarations.
7398         (Stub_table): New class defintion.
7399         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7400         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7401         New method definition.
7402
7403 2009-10-21  Doug Kwan  <dougkwan@google.com>
7404
7405         * arm.cc: Update copyright comments.
7406         (Target_arm): New forward class template declaration.
7407         (Arm_address): New type.
7408         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7409         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7410         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7411         constants.
7412         (Insn_template): Same.
7413         (DEF_STUBS): New macro.
7414         (Stub_type): New enum type.
7415         (Stub_template): New class definition.
7416         (Stub): Same.
7417         (Reloc_stub): Same.
7418         (Stub_factory): Same.
7419         (Target_arm::Target_arm): Initialize may_use_blx_ and
7420         should_force_pic_veneer_.
7421         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7422         Target_arm::should_force_pic_veneer,
7423         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7424         Target_arm::using_thumb_only, Target_arm:;default_target): New
7425         method defintions.
7426         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7427         New data member declarations.
7428         (Insn_template::size, Insn_template::alignment): New method defintions.
7429         (Stub_template::Stub_template): New method definition.
7430         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7431         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7432         (Stub_factory::Stub_factory): New method definition.
7433         * gold.h (string_hash): New template.
7434         * output.h (Input_section_specifier::hash_value): Use
7435         gold::string_hash.
7436         (Input_section_specifier::string_hash): Remove.
7437         * stringpool.cc (Stringpool_template::string_hash): Use
7438         gold::string_hash.
7439
7440 2009-10-20  Doug Kwan  <dougkwan@google.com>
7441
7442         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7443         symbols of relaxed input sections.
7444         * output.h (Output_section::find_relaxed_input_section): Make
7445         method public.
7446
7447 2009-10-16  Doug Kwan  <dougkwan@google.com>
7448
7449         * dynobj.cc (Versions::Versions): Initialize version_script_.
7450         Only insert base version symbol definition for a shared object
7451         if version script defines any version versions.
7452         (Versions::define_base_version): New method definition.
7453         (Versions::add_def): Check that base version is not needed.
7454         (Versions::add_need): Define base version lazily.
7455         * dynobj.h (Versions::define_base_version): New method declaration.
7456         (Versions::needs_base_version_): New data member declaration.
7457         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7458         (check_DATA): Add no_version_test.stdout.
7459         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7460         New make rules.
7461         * testsuite/Makefile.in: Regenerate.
7462         * testsuite/no_version_test.c: New file.
7463         * testsuite/no_version_test.sh: Ditto.
7464
7465 2009-10-16  Doug Kwan  <dougkwan@google.com>
7466
7467         * expression.cc (class Segment_start_expression): New class definition.
7468         (Segment_start_expression::value): New method definition.
7469         (script_exp_function_segment_start): Return a new
7470         Segment_start_expression.
7471         * gold/script-c.h (script_saw_segment_start_expression): New function
7472         prototype.
7473         * script-sections.cc (Script_sections::Script_sections): Initialize
7474         SAW_SEGMENT_START_EXPRESSION_ to false.
7475         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7476         and -Tbbs options to specify section addresses if given in
7477         command line and no SEGMENT_START expression is seen in a script.
7478         * script-sections.h (Script_sections::saw_segment_start_expression,
7479         Script_sections::set_saw_segment_start_expression): New method
7480         definition.
7481         (Script_sections::saw_segment_start_expression_): New data member
7482         declaration.
7483         * script.cc (script_saw_segment_start_expression): New function.
7484         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7485         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7486         script_test_7.sh and script_test_8.sh.
7487         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7488         script_test_8.stdout.
7489         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7490         (script_test_6, script_test_6.stdout, script_test_7,
7491         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7492         * Makefile.in: Regenerate.
7493         * testsuite/script_test_6.sh: New file.
7494         * testsuite/script_test_6.t: Same.
7495         * testsuite/script_test_7.sh: Same.
7496         * testsuite/script_test_7.t: Same.
7497         * testsuite/script_test_8.sh: Same.
7498
7499 2009-10-16  Doug Kwan  <dougkwan@google.com>
7500
7501         * output.cc (Output_segment::set_section_list_address): Cast
7502         expressions to unsigned long long type to avoid format warnings.
7503
7504 2009-10-15  Ian Lance Taylor  <iant@google.com>
7505
7506         * script.cc (Script_options::add_symbol_assignment): Always add a
7507         dot assignment to script_sections_.
7508         * script-sections.cc (Script_sections::add_dot_assignment):
7509         Initialize if necessary.
7510
7511         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7512         program headers with no load segment if there is a linker script.
7513
7514         * layout.cc (Layout::set_segment_offsets): Align the file offset
7515         to the segment aligment for -N or -n with no load segment.
7516         * output.cc (Output_segment::add_output_section): Don't crash if
7517         the first section is a TLS section.
7518         (Output_segment::set_section_list_addresses): Print an error
7519         message if the address moves backward in a linker script.
7520         * script-sections.cc
7521         (Output_section_element_input::set_section_addresses): Don't
7522         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7523         (Orphan_output_section::set_section_addresses): Likewise.
7524
7525 2009-10-15  Doug Kwan  <dougkwan@google.com>
7526
7527         * layout.cc (Layout::finish_dynamic_section): Generate tags
7528         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7529         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7530         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7531
7532 2009-10-14  Ian Lance Taylor  <iant@google.com>
7533
7534         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7535         fields.
7536         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7537         data_shdr fields of relinfo.
7538         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7539         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7540         R_386_TLS_LDO_32, adjust based on section flags.
7541         (Target_i386::Relocate::fix_up_ldo): Remove.
7542
7543 2009-10-13  Ian Lance Taylor  <iant@google.com>
7544
7545         Add support for -pie.
7546         * options.h (class General_options): Add -pie and
7547         --pic-executable.
7548         (General_options::output_is_position_independent): Test -pie.
7549         (General_options::output_is_executable): Return true if not shared
7550         and not relocatable.
7551         (General_options::output_is_pie): Remove.
7552         * options.cc (General_options::finalize): Reject incompatible uses
7553         of -pie.
7554         * gold.cc (queue_middle_tasks): A -pie link is not static.
7555         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7556         * symtab.cc (Symbol::final_value_is_known): Return false if
7557         output_is_position_independent.
7558         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7559         output_is_position_independent.
7560         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7561         output_is_position_independent.
7562         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7563         output_is_position_independent.
7564         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7565         two_file_pie_test.
7566         (basic_pie_test.o, basic_pie_test): New targets.
7567         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7568         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7569         (two_file_pie_test): New target.
7570         * testsuite/Makefile.in: Rebuild.
7571         * README: Remove note saying that -pie is not supported.
7572
7573 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7574
7575         * options.h (class General_options): Add -init and -fini.
7576         * layout.cc (Layout::finish_dynamic_section): Emit
7577         given init and fini functions.
7578
7579 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7580
7581         * gc.h (gc_process_relocs): Check if icf is enabled using new
7582         function.
7583         * gold.cc (queue_initial_tasks): Likewise.
7584         (queue_middle_tasks): Likewise.
7585         * object.cc (do_layout): Likewise.
7586         * symtab.cc (is_section_folded): Likewise.
7587         * main.cc (main): Likewise.
7588         * reloc.cc (Read_relocs::run): Likewise.
7589         (Sized_relobj::do_scan_relocs): Likewise.
7590         * icf.cc (is_function_ctor_or_dtor): New function.
7591         (Icf::find_identical_sections): Check if function is ctor or dtor when
7592         safe icf is chosen.
7593         * options.h (General_options::icf): Change option to be an enum.
7594         (Icf_status): New enum.
7595         (icf_enabled): New method.
7596         (icf_safe_folding): New method.
7597         (set_icf_status): New method.
7598         (icf_status_): New variable.
7599         * (options.cc) (General_options::finalize): Set icf_status_.
7600         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7601         icf_test and icf_keep_unique_test to use the --icf enum flag.
7602         * testsuite/icf_safe_test.sh: New file.
7603         * testsuite/icf_safe_test.cc: New file.
7604
7605 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7606
7607         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7608         includes to gc.h and icf.h.
7609         * arm.cc: Include gc.h.
7610         * gold.cc: Likewise.
7611         * i386.cc: Likewise.
7612         * powerpc.cc: Likewise.
7613         * sparc.cc: Likewise.
7614         * x86_64.cc: Likewise.
7615         * gc.h: Include icf.h.
7616
7617 2009-10-11  Ian Lance Taylor  <iant@google.com>
7618
7619         * plugin.cc: Include "gold.h" before other header files.
7620
7621 2009-10-10  Chris Demetriou  <cgd@google.com>
7622
7623         * options.h (Input_file_argument::Input_file_type): New enum.
7624         (Input_file_argument::is_lib_): Replace with...
7625         (Input_file_argument::type_): New member.
7626         (Input_file_argument::Input_file_argument): Take Input_file_type
7627         'type' rather than boolean 'is_lib' as second argument.
7628         (Input_file_argument::is_lib): Use type_.
7629         (Input_file_argument::is_searched_file): New function.
7630         (Input_file_argument::may_need_search): Handle is_searched_file.
7631         * options.cc (General_options::parse_library): Support -l:filename.
7632         (General_options::parse_just_symbols): Update for Input_file_argument
7633         changes.
7634         (Command_line::process): Likewise.
7635         * archive.cc (Archive::get_file_and_offset): Likewise.
7636         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7637         * script.cc (read_script_file, script_add_file): Likewise.
7638         * fileread.cc (Input_file::Input_file): Likewise.
7639         (Input_file::will_search_for): Handle is_searched_file.
7640         (Input_file::open): Likewise.
7641         * readsyms.cc (Read_symbols::get_name): Likewise.
7642         * testsuite/Makefile.am (searched_file_test): New test.
7643         * testsuite/Makefile.in: Regenerate.
7644         * testsuite/searched_file_test.cc: New file.
7645         * testsuite/searched_file_test_lib.cc: New file.
7646
7647 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7648             Ian Lance Taylor  <iant@google.com>
7649
7650         * descriptor.cc: Include <cstdio> and "binary-io.h".
7651         (Descriptors::open): Open the files in binary mode always.
7652         * script.cc (Lex::get_token): Treat \r as whitespace.
7653
7654 2009-10-09  Ian Lance Taylor  <iant@google.com>
7655
7656         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7657
7658 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7659             Ian Lance Taylor  <iant@google.com>
7660
7661         * configure.ac: Check for readv function also.
7662         * fileread.cc (readv): Define if not HAVE_READV.
7663         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7664         does not exist.
7665         * config.in: Regenerate.
7666         * configure: Regenerate.
7667
7668 2009-10-09  Doug Kwan  <dougkwan@google.com>
7669
7670         * layout.cc (Layout::make_output_section): Call target hook to make
7671         ordinary output section.
7672         (Layout::finalize): Adjust parameter list of call the
7673         Target::may_relax().
7674         * layout.h (class Layout::section_list): New method.
7675         * merge.h (Output_merge_base::entsize): Change visibility to public.
7676         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7677         New methods.
7678         (Output_merge_string::do_is_string): New method.
7679         * object.cc (Sized_relobj::do_setup): renamed from
7680         Sized_relobj::set_up.
7681         * object.h (Sized_relobj::adjust_shndx,
7682         Sized_relobj::initializ_input_to_output_maps,
7683         Sized_relobj::free_input_to_output_maps): Change visibilities to
7684         protected.
7685         (Sized_relobj::setup): Virtualize.
7686         (Sized_relobj::do_setup): New method declaration.
7687         (Sized_relobj::invalidate_section_offset,
7688         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7689         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7690         * options.cc (parse_int): New function.
7691         * options.h (parse_int): New declaration.
7692         (DEFINE_int): New macro.
7693         (stub_group_size): New option.
7694         * output.cc (Output_section::Output_section): Initialize memebers
7695         merge_section_map_, merge_section_by_properties_map_,
7696         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7697         (Output_section::add_input_section): Handled deferred code-fill
7698         generation and remove an old comment.
7699         (Output_section::add_relaxed_input_section): New method definition.
7700         (Output_section::add_merge_input_section): Use merge section by
7701         properties map to speed to search.  Update merge section maps
7702         as appropriate.
7703         (Output_section::build_relaxation_map): New method definition.
7704         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7705         Same.
7706         (Output_section::relax_input_section): Renamed to
7707         Output_section::convert_input_sections_to_relaxed_sections and change
7708         interface to take a vector of pointers to relaxed sections.
7709         (Output_section::find_merge_section,
7710         Output_section::find_relaxed_input_section): New method definitions.
7711         (Output_section::is_input_address_mapped,
7712         Output_section::output_offset, Output_section::output_address):
7713         Use output section data maps to speed up searching.
7714         (Output_section::find_starting_output_address): Add comments.
7715         (Output_section::do_write,
7716         Output_section::write_to_postprocessing_buffer): Do code-fill
7717         generation as appropriate.
7718         (Output_section::get_input_sections): Invalidate relaxed input section
7719         map.
7720         (Output_section::restore_states): Adjust type of checkpoint .
7721         Invalidate relaxed input section map.
7722         * output.h (Output_merge_base): New class declaration.
7723         (Input_section_specifier): New class defintion.
7724         (class Output_relaxed_input_section) Change base class to
7725         Output_section_data_build.
7726         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7727         base class initializer.
7728         (Output_section::add_relaxed_input_section): New method declaration.
7729         (Output_section::Input_section): Change visibility to protected.
7730         (Output_section::Input_section::relobj,
7731         Output_section::Input_section::shndx): Handle relaxed input sections.
7732         Output_section::input_sections) Change visibility to protected.  Also
7733         define overload to return a non-const pointer.
7734         (Output_section::Merge_section_properties): New class defintion.
7735         (Output_section::Merge_section_by_properties_map,
7736         Output_section::Output_section_data_by_input_section_map,
7737         Output_section::Relaxation_map): New types.
7738         (Output_section::relax_input_section): Rename method to
7739         Output_section::convert_input_sections_to_relaxed_sections and change
7740         interface to take a vector of relaxed section pointers.
7741         (Output_section::find_merge_section,
7742         Output_section::find_relaxed_input_section,
7743         Output_section::build_relaxation_map,
7744         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7745         New method declarations.
7746         (Output_section::merge_section_map_
7747         Output_section::merge_section_by_properties_map_,
7748         Output_section::relaxed_input_section_map_,
7749         Output_section::is_relaxed_input_section_map_valid_,
7750         Output_section::generate_code_fills_at_write_): New data members.
7751         * script-sections.cc
7752         (Output_section_element_input::set_section_addresses): Call
7753         current_data_size and addralign methods of relaxed input sections.
7754         (Orphan_output_section::set_section_addresses): Call current_data_size
7755         and addralign methods of relaxed input sections.
7756         * symtab.cc (Symbol_table::compute_final_value): Extract template
7757         from the body of Symbol_table::sized_finalize_symbol.
7758         (Symbol_table::sized_finalized_symbol): Call
7759         Symbol_table::compute_final_value.
7760         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7761         (Symbol_table::compute_final_value): New templated method declaration.
7762         * target.cc (Target::do_make_output_section): New method defintion.
7763         * target.h (Target::make_output_section): New method declaration.
7764         (Target::relax): Add more parameters for input objects, symbol table
7765         and layout.  Adjust call to do_relax.
7766         (Target::do_make_output_section): New method declaration.
7767         (Target::do_relax): Add parameters for input objects, symbol table
7768         and layout.
7769
7770 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7771
7772         * pread.c: Include stdio.h.
7773
7774 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7775
7776         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7777         defined.
7778
7779 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7780
7781         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7782         Change read_shndx type to unsigned int.
7783         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7784         int.
7785         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7786         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7787         Change read_shndx type to unsigned int.
7788         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7789         int.
7790         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7791         * layout.cc (Layout::create_symtab_sections): Cast the result of
7792         local_symcount * symsize to off_t in the gold_assert.
7793
7794 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7795
7796         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7797         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7798         R_ARM_BASE_ABS.
7799         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7800         (Arm_relocate_functions::thm_abs5): New function.
7801         (Arm_relocate_functions::abs12): New function.
7802         (Arm_relocate_functions::abs16): New function.
7803         (Arm_relocate_functions::base_abs): New function.
7804         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7805         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7806         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7807         R_ARM_BASE_ABS.
7808         (Scan::global): Likewise.
7809         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7810         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7811         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7812         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7813         R_ARM_BASE_ABS.
7814
7815 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7816
7817         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7818         (Arm_relocate_functions::movt_prel): New function.
7819         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7820         (Arm_relocate_functions::thm_movt_prel): New function.
7821         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7822         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7823         (Scan::global, Relocate::relocate): Likewise.
7824         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7825
7826 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7827
7828         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7829         Incremental_checker.
7830         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7831         unsigned int.
7832         (class Incremental_inputs_header): New class.
7833         (Incremental_inputs_header_writer): Edit comment.
7834         (Incremental_inputs_entry): New class.
7835         (Incremental_inputs_entry_writer): Edit comment.
7836         (Sized_incremental_binary::do_find_incremental_inputs_section):
7837         Add *strtab_shndx parameter, fill it.
7838         (Sized_incremental_binary::do_check_inputs): New method.
7839         (Incremental_checker::can_incrementally_link_output_file): Use
7840         Sized_incremental_binary::check_inputs.
7841         (Incremental_inputs::report_command_line): Save command line in
7842         command_line_.
7843         * incremental.h:
7844         (Incremental_binary::find_incremental_inputs_section): New
7845         method.
7846         (Incremental_binary::do_find_incremental_inputs_section): Add
7847         strtab_shndx parameter.
7848         (Incremental_binary::do_check_inputs): New pure virtual method.
7849         (Sized_incremental_binary::do_check_inputs): Declare.
7850         (Incremental_checker::Incremental_checker): Add incremental_inputs
7851         parameter, use it to initialize incremental_inputs_.
7852         (Incremental_checker::incremental_inputs_): New field.
7853         (Incremental_checker::command_line): New method.
7854         (Incremental_checker::inputs): New method.
7855         (Incremental_checker::command_line_): New field.
7856
7857 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7858
7859         * incremental.cc: Include <cstdarg> and "target-select.h".
7860         (vexplain_no_incremental): New function.
7861         (explain_no_incremental): New function.
7862         (Incremental_binary::error): New method.
7863         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7864         method.
7865         (make_sized_incremental_binary): New function.
7866         (open_incremental_binary): New function.
7867         (can_incrementally_link_file): Add checks if output is ELF and has
7868         inputs section.
7869         * incremental.h: Include "elfcpp_file.h" and "output.h".
7870         (Incremental_binary): New class.
7871         (Sized_incremental_binary): New class.
7872         (open_incremental_binary): Declare.
7873         * object.cc (is_elf_object): Use
7874         elfcpp::Elf_recognizer::is_elf_file.
7875         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7876         * output.h (Output_file::filesize): New method.
7877
7878 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7879
7880         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7881         New function.
7882         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7883         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7884         function.
7885         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7886         function.
7887         (Arm_relocate_functions::movw_abs_nc): New function.
7888         (Arm_relocate_functions::movt_abs): New function.
7889         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7890         (Arm_relocate_functions::thm_movt_abs): New function.
7891         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7892         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7893         (Scan::global): Likewise.
7894         (Relocate::relocate): Likewise.
7895         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7896
7897 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7898
7899         * arm.cc (Arm_relocate_functions::got_prel) New function.
7900         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7901         (Relocate::relocate): Likewise.
7902         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7903
7904 2009-10-06  Ian Lance Taylor  <iant@google.com>
7905
7906         * options.h (class General_options): Define
7907         split_stack_adjust_size parameter.
7908         * object.h (class Object): Add uses_split_stack_ and
7909         has_no_split_stack_ fields.  Add uses_split_stack and
7910         has_no_split_stack accessor functions.  Declare
7911         handle_split_stack_section.
7912         (class Reloc_symbol_changes): Define.
7913         (class Sized_relobj): Define Function_offsets.  Declare
7914         split_stack_adjust, split_stack_adjust_reltype, and
7915         find_functions.
7916         * object.cc (Object::handle_split_stack_section): New function.
7917         (Sized_relobj::do_layout): Call handle_split_stack_section.
7918         * dynobj.cc (Sized_dynobj::do_layout): Call
7919         handle_split_stack_section.
7920         * reloc.cc (Sized_relobj::relocate_sections): Call
7921         split_stack_adjust for executable sections in split_stack
7922         objects.  Pass reloc_map to relocate_section.
7923         (Sized_relobj::split_stack_adjust): New function.
7924         (Sized_relobj::split_stack_adjust_reltype): New function.
7925         (Sized_relobj::find_functions): New function.
7926         * target-reloc.h: Include "object.h".
7927         (relocate_section): Add reloc_symbol_changes parameter.  Change
7928         all callers.
7929         * target.h (class Target): Add calls_non_split method.  Declare
7930         do_calls_non_split virtual method.  Declare match_view and
7931         set_view_to_nop.
7932         * target.cc: Include "elfcpp.h".
7933         (Target::do_calls_non_split): New function.
7934         (Target::match_view): New function.
7935         (Target::set_view_to_nop): New function.
7936         * gold.cc (queue_middle_tasks): Give an error if mixing
7937         split-stack and non-split-stack objects with -r.
7938         * i386.cc (Target_i386::relocate_section): Add
7939         reloc_symbol_changes parameter.
7940         (Target_i386::do_calls_non_split): New function.
7941         * x86_64.cc (Target_x86_64::relocate_section): Add
7942         reloc_symbol_changes parameter.
7943         (Target_x86_64::do_calls_non_split): New function.
7944         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7945         parameter.
7946         * powerpc.cc (Target_powerpc::relocate_section): Add
7947         reloc_symbol_changes parameter.
7948         * sparc.cc (Target_sparc::relocate_section): Add
7949         reloc_symbol_changes parameter.
7950         * configure.ac: Call AM_CONDITIONAL for the default target.
7951         * configure: Rebuild.
7952         * testsuite/Makefile.am (TEST_AS): New variable.
7953         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7954         (check_DATA): Add split_i386 and split_x86_64 files.
7955         (SPLIT_DEFSYMS): Define.
7956         (split_i386_[1234n].o): New targets.
7957         (split_i386_[124]): New targets.
7958         (split_i386_[1234r].stdout): New targets.
7959         (split_x86_64_[1234n].o): New targets.
7960         (split_x86_64_[124]): New targets.
7961         (split_x86_64_[1234r].stdout): New targets.
7962         (MOSTLYCLEANFILES): Add new executables.
7963         * testsuite/split_i386.sh: New file.
7964         * testsuite/split_x86_64.sh: New file.
7965         * testsuite/split_i386_1.s: New file.
7966         * testsuite/split_i386_2.s: New file.
7967         * testsuite/split_i386_3.s: New file.
7968         * testsuite/split_i386_4.s: New file.
7969         * testsuite/split_i386_n.s: New file.
7970         * testsuite/split_x86_64_1.s: New file.
7971         * testsuite/split_x86_64_2.s: New file.
7972         * testsuite/split_x86_64_3.s: New file.
7973         * testsuite/split_x86_64_4.s: New file.
7974         * testsuite/split_x86_64_n.s: New file.
7975         * testsuite/testfile.cc (Target_test): Update relocation_section
7976         function.
7977         * testsuite/Makefile.in: Rebuild.
7978
7979 2009-10-06  Ian Lance Taylor  <iant@google.com>
7980
7981         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7982         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7983         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7984         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7985         the address on ldo_addrs_.
7986         (Target_i386::Relocate::fix_up_ldo): New function.
7987
7988 2009-10-06   Rafael Espindola  <espindola@google.com>
7989
7990         * plugin.cc (add_input_library): New.
7991         (Plugin::load): Add add_input_library to tv.
7992         (Plugin_manager::add_input_file): Add the is_lib argument.
7993         (add_input_file): Update call to Plugin_manager::add_input_file.
7994         (add_input_library): New.
7995         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7996
7997 2009-09-30  Doug Kwan  <dougkwan@google.com>
7998
7999         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8000         symbol and call Symbol::may_need_copy_reloc to determine if
8001         a copy reloc is needed.
8002         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8003         nocopyreloc is given in command line.
8004         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8005         given in command line.
8006         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8007         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8008         of the removed Target_i386::may_need_copy_reloc.
8009         * options.h (copyreloc): New option with default value false.
8010         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8011         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8012         instead of the removed Target_powerpc::may_need_copy_reloc.
8013         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8014         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8015         instead of the removed Target_sparc::may_need_copy_reloc.
8016         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8017         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8018         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8019         instead of the removed Target_x86_64::may_need_copy_reloc.
8020
8021 2009-09-30  Ian Lance Taylor  <iant@google.com>
8022
8023         * object.h (class Object): Remove target_ field, and target,
8024         sized_target, and set_target methods.
8025         (Object::sized_target): Remove.
8026         (class Sized_relobj): Update declarations.  Remove sized_target.
8027         * object.cc (Sized_relobj::setup): Remove target parameter.
8028         Change all callers.
8029         (Input_objects::add_object): Don't do anything with the target.
8030         (make_elf_sized_object): Add punconfigured parameter.  Change all
8031         callers.  Set or test parameter target.
8032         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8033         Change all callers.
8034         * parameters.cc (Parameters::set_target): Change parameter type to
8035         be non-const.
8036         (Parameters::default_target): Remove.
8037         (set_parameters_target): Change parameter type to be non-const.
8038         (parameters_force_valid_target): New function.
8039         (parameters_clear_target): New function.
8040         * parameters.h (class Parameters): Update declarations.  Remove
8041         default_target method.  Add sized_target and clear_target
8042         methods.  Change target_ to be non-const.
8043         (set_parameters_target): Update declaration.
8044         (parameters_force_valid_target): Declare.
8045         (parameters_clear_target): Declare.
8046         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8047         as NULL if we aren't searching.
8048         (Add_symbols::run): Don't check for compatible target.
8049         * fileread.cc (Input_file::open_binary): Call
8050         parameters_force_valid_target.
8051         * gold.cc (queue_middle_tasks): Likewise.
8052         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8053         set_target on object.
8054         * dynobj.h (class Sized_dynobj): Update declarations.
8055         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8056         make_elf_object returns NULL.
8057         (Archive::include_member): Don't check whether object target is
8058         compatible.
8059         * output.cc (Output_section::add_input_section): Get target from
8060         parameters.
8061         (Output_section::relax_input_section): Likewise.
8062         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8063         parameters.
8064         (Sized_relobj::do_scan_relocs): Likewise.
8065         (Sized_relobj::relocate_sections): Likewise.
8066         * resolve.cc (Symbol_table::resolve): Likewise.
8067         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8068         parameter.  Change all callers.
8069         (Symbol_table::add_from_object): Get target from parameters.
8070         (Symbol_table::add_from_relobj): Don't check object target.
8071         (Symbol_table::add_from_dynobj): Likewise.
8072         (Symbol_table::define_special_symbol): Get target from
8073         parameters.
8074         * symtab.h (class Symbol_table): Update declaration.
8075         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8076         parameter.  Change all callers.  Clear parameter target.
8077         (Binary_test): Test target here.
8078         * testsuite/object_unittest.cc (gold_testsuite): Remove
8079         target_test_pointer parameter.  Change all callers.
8080         (Object_test): Test target here.
8081
8082 2009-09-26  Ian Lance Taylor  <iant@google.com>
8083
8084         * testsuite/initpri1.c: Don't try to use constructor priorities if
8085         compiling with gcc before 4.3.
8086
8087 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8088
8089         * testsuite/retain_symbols_file_test.sh (check_present): Change
8090         output file name to retain_symbols_file_test.stdout.
8091         (check_absent): Likewise.
8092
8093 2009-09-18  Craig Silverstein  <csilvers@google.com>
8094
8095         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8096         * options.cc: Include <cerrno> and <fstream>.
8097         (General_options::finalize): Parse -retain-symbols-file tag.
8098         * options.h: New flag.
8099         (General_options): New method should_retain_symbol, new
8100         variable symbols_to_retain.
8101         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8102         should_retain_symbol map.
8103         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8104         * testsuite/Makefile.in: Regenerate.
8105         * testsuite/retain_symbols_file_test.sh: New file.
8106
8107 2009-09-18  Nick Clifton  <nickc@redhat.com>
8108
8109         * po/es.po: Updated Spanish translation.
8110
8111 2009-09-17  Doug Kwan  <dougkwan@google.com>
8112
8113         * debug.h (DEBUG_RELAXATION): New constant.
8114         (DEBUG_ALL): Add DEBUG_RELAXATION.
8115         (debug_string_to_enum): Add relaxation debug option.
8116         * layout.cc
8117         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8118         Layout::Relaxation_debug_check::read_sections,
8119         Layout::Relaxation_debug_check::read_sections): New method definitions.
8120         (Layout::Layout): Initialize data members
8121         record_output_section_data_from_scrips_,
8122         script_output_section_data_list_ and relaxation_debug_check_.
8123         (Layout::save_segments, Layout::restore_segments,
8124         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8125         Layout::relaxation_loop_body): New method definitions.
8126         (Layout::finalize): Support relaxation.  Move section layout code to
8127         Layout::relaxation_loop_body.
8128         (Layout::set_asection_address_from_script): Move code for orphan
8129         section placement out.
8130         (Layout::place_orphan_sections_in_script): New method definition.
8131         * layout.h (Output_segment_headers, Output_file_header):
8132         New forward class declarations.
8133         (Layout::~Layout): Define.
8134         (Layout::new_output_section_data_from_script): New method definition.
8135         (Layout::place_orphan_sections_in_script): New method declaration.
8136         (Layout::Segment_states): New type declaration.
8137         (Layout::save_segments, Layout::restore_segments,
8138         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8139         Layout::relaxation_loop_body): New method declarations.
8140         (Layout::Output_section_data_list): New type declaration.
8141         (Layout::Relaxation_debug_check): New class definition.
8142         (Layout::record_output_section_data_from_script_,
8143         Layout::script_output_section_data_list_, Layout::segment_states_,
8144         Layout::relaxation_debug_check_): New data members.
8145         * output.cc: (Output_section_headers::do_size): New method definition.
8146         (Output_section_headers::Output_section_headers): Move size
8147         computation to Output_section_headers::do_size.
8148         (Output_segment_headers::do_size): New method definition.
8149         (Output_file_header::Output_file_header): Move size computation to
8150         Output_file_header::do_size and call it.
8151         (Output_file_header::do_size): New method definition.
8152         (Output_data_group::Output_data_group): Adjust call to
8153         Output_section_data.
8154         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8155         (Output_symtab_xindex::do_write): Add array bound check.
8156         (Output_section::Input_section::print_to_mapfile): Handle
8157         RELAXED_INPUT_SECTION_CODE.
8158         (Output_section::Output_section): Initialize data member checkpoint_.
8159         (Output_section::~Output_section): Delete checkpoint object pointed
8160         by checkpoint_.
8161         (Output_section::add_input_section): Always add an Input_section if
8162         relaxing.
8163         (Output_section::add_merge_input_section): Add assert.
8164         (Output_section::relax_input_section): New method definition.
8165         (Output_section::set_final_data_size): Set load address to zero for
8166         an unallocated section.
8167         (Output_section::do_address_and_file_offset_have_reset_values):
8168         New method definition.
8169         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8170         Handle relaxed input section.
8171         (Output_section::sort_attached_input_sections): Checkpoint input
8172         section list lazily.
8173         (Output_section::get_input_sections): Change type of input_sections to
8174         list of Simple_input_section pointers.  Checkpoint input section list
8175         lazily.  Also handle relaxed input sections.
8176         (Output_section::add_input_section_for_script): Take a reference to
8177         a Simple_input_section object instead of Relobj pointer and section
8178         index as parameter.  Handle relaxed input sections.
8179         (Output_section::save_states, Output_section::restore_states): New
8180         method definitions.
8181         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8182         (Output_data::is_data_size_fixed): New method definition.
8183         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8184         if it is fixed.
8185         (Output_data::address_and_file_offset_have_reset_values): New method
8186         definition.
8187         (Output_data::do_address_and_file_offset_have_reset_values): New method
8188         definition.
8189         (Output_data::set_data_size): Check that data size is not fixed.
8190         (Output_data::fix_data_size): New method definition.
8191         (Output_data::is_data_size_fixed_): New data member.
8192         (Output_section_headers::set_final_data_size): New method definition.
8193         (Output_section_headers::do_size): New method declaration.
8194         (Output_segment_headers::set_final_data_size): New method definition.
8195         (Output_segment_headers::do_size): New method declaration.
8196         (Output_file_header::set_final_data_size)::New method definition.
8197         (Output_file_header::do_size)::New method declaration.
8198         (Output_section_data::Output_section_data): Add new parameter
8199         is_data_size_fixed and use it to fix data size.
8200         (Output_data_const::Output_data_const): Adjust call to base class
8201         constructor and fix data size.
8202         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8203         base class constructor and fix data size.
8204         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8205         base class constructor and fix data size.
8206         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8207         class constructor and fix data size.
8208         (Output_data_group::set_final_data_size): New method definition.
8209         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8210         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8211         class constructor and fix data size.
8212         (Output_relaxed_input_section): New class definition.
8213         (Output_section::Simple_input_section): New class definition.
8214         (Output_section::get_input_sections): Adjust parameter list.
8215         (Output_section::add_input_section_for_script): Same.
8216         (Output_section::save_states, Output_section::restore_states,
8217         Output_section::do_address_and_file_offset_have_reset_values,
8218         (Output_section::Input_section::Input_section): Handle
8219         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8220         Output_relaxed_input_section.
8221         (Output_section::Input_section::is_input_section,
8222         Output_section::Input_section::set_output_section): Handle relaxed
8223         input section.
8224         (Output_section::Input_section::is_relaxed_input_section,
8225         Output_section::Input_section::output_section_data,
8226         Output_section::Input_section::relaxed_input_section): New method
8227         definitions.
8228         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8229         value.
8230         (Output_section::Input_section::u1_): Update comments.
8231         (Output_section::Input_section::u2_): Add new union member poris.
8232         (Output_section::Checkpoint_output_section): New classs definition.
8233         (Output_section::relax_input_section): New method declaration.
8234         (Output_section::checkpoint_): New data member.
8235         (Output_segment): Update comments.
8236         (Output_segment::Output_segment): Un-privatize copy constructor.
8237         (Output_segment::operator=): Un-privatize.
8238         * script-sections.cc (Output_section_element::Input_section_list):
8239         Change element type to Output_section::Simple_input_section.
8240         (Output_section_element_dot_assignment::set_section_addresses):
8241         Register output section data for relaxation clean up.
8242         (Output_data_exression::Output_data_expression): Adjust call to base
8243         constructor to fix data size.
8244         (Output_section_element_data::set_section_addresses): Register
8245         Output_data_expression object for relaxation clean up.
8246         (struct Input_section_info): Replace Relobj pointer and section index
8247         pair with Output_section::Simple_input_section and Convert struct to a
8248         class.
8249         (Input_section_sorter::operator()): Adjust access to
8250         Input_section_info data member to use accessors.
8251         (Output_section_element_input::set_section_addresses): Use layout
8252         parameter.  Adjust code to use Output_section::Simple_input_section
8253         and Input_secction_info classes.  Register filler for relaxation
8254         clean up.
8255         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8256         and section index pair with Output_section::Simple_input_section
8257         class.  Adjust code accordingly.
8258         (Phdrs_element::release_segment): New method definition.
8259         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8260         segment list.
8261         (Script_sections::release_segments): New method definition.
8262         * gold/script-sections.h (Script_sections::release_segments): New
8263         method declaration.
8264         * gold/target.h (Target::may_relax, Target::relax,
8265         Target::do_may_relax, Target::do_relax): New method definitions.
8266
8267 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8268
8269         * arm.cc (has_signed_unsigned_overflow): New function.
8270         (Arm_relocate_functions::abs8): New function.
8271         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8272         (Target_arm::Scan::global): Likewise.
8273         (Target_arm::relocate::relocate): Likewise.
8274         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8275         Likewise.
8276
8277 2009-09-16  Cary Coutant  <ccoutant@google.com>
8278
8279         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8280         * testsuite/Makefile.in: Regenerate.
8281
8282 2009-09-11  Nick Clifton  <nickc@redhat.com>
8283
8284         * po/gold.pot: Updated by the Translation project.
8285
8286 2009-09-08  Cary Coutant  <ccoutant@google.com>
8287
8288         * output.cc (Output_file::open): Add execute permission to empty file.
8289         * testsuite/Makefile.am (permission_test): New test.
8290         * testsuite/Makefile.in: Regenerate.
8291
8292 2009-09-02  Ian Lance Taylor  <iant@google.com>
8293
8294         * output.cc (Output_file::resize): Call map_no_anonymous rather
8295         than map.
8296
8297 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8298
8299         * gold.cc: Include "incremental.h".
8300         (queue_initial_tasks): Call Incremental_checker methods.
8301         * incremental.cc: Include "output.h".
8302         (Incremental_checker::can_incrementally_link_output_file): New
8303         method.
8304         * incremental.h (Incremental_checker): New class.
8305
8306         * output.cc (Output_file::open_for_modification): New method.
8307         (Output_file::map_anonymous): Changed return type to bool.  Record
8308         map in base_ field.
8309         (Output_file::map_no_anonymous): New method, broken out of map.
8310         (Output_file::map): Use map_no_anonymous and map_anonymous.
8311         * output.h (class Output_file): Update declarations.
8312
8313 2009-08-24  Cary Coutant  <ccoutant@google.com>
8314
8315         * options.h (Command_line::Pre_options): New class.
8316         (Command_line::pre_options): New member.
8317         * options.cc (gold::options::ready_to_register): New variable.
8318         (One_option::register_option): Do nothing if not registering options.
8319         Assert if same short option registered twice.
8320         (General_options::General_options): Turn off option registration when
8321         done constructing.
8322         (Command_line::Pre_options::Pre_options): New constructor.
8323
8324 2009-08-24  Cary Coutant  <ccoutant@google.com>
8325
8326         * options.h (General_options::no_keep_memory): Remove incorrect
8327         short option.
8328
8329 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8330
8331         * Makefile.am (am__skiplex, am__skipyacc): New.
8332         * Makefile.in: Regenerate.
8333
8334 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8335
8336         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8337         (INCLUDES): ... this.
8338         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8339         (AM_CPPFLAGS): Renamed from ...
8340         (INCLUDE): ... this.
8341         * Makefile.in, testsuite/Makefile.in: Regenerate.
8342
8343         * Makefile.in: Regenerate.
8344         * aclocal.m4: Likewise.
8345         * config.in: Likewise.
8346         * configure: Likewise.
8347         * testsuite/Makefile.in: Likewise.
8348
8349         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8350         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8351         * Makefile.in: Regenerate.
8352         * testsuite/Makefile.in: Regenerate.
8353
8354 2009-08-19  Cary Coutant  <ccoutant@google.com>
8355
8356         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8357         symbols in shared libraries overridden by hidden or internal symbols
8358         in the main program.
8359
8360 2009-08-19  Chris Demetriou  <cgd@google.com>
8361
8362         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8363         checking source file names in error messages.
8364
8365 2009-08-18  Doug Kwan  <dougkwan@google.com>
8366
8367         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8368         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8369         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8370         an elfcpp::Ehdr as parameter.
8371         * object.cc (Object::set_target): Remove the version that looks up
8372         a target and sets it.
8373         (Sized_relobj::setup): Take a Target object instead of
8374         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8375         (make_elf_sized_object): Find target and ask target to
8376         make an ELF object.
8377         * object.h: (Object::set_target): Remove the version that looks up
8378         a target and sets it.
8379         (Sized_relobj::setup): Take a Target object instead of
8380         an elfcpp:Ehdr as parameter.
8381         * target.cc: Include dynobj.h.
8382         (Target::do_make_elf_object_implementation): New.
8383         (Target::do_make_elf_object): New.
8384         * target.h (Target::make_elf_object): New template declaration.
8385         (Target::do_make_elf_object): New method declarations.
8386         (Target::do_make_elf_object_implementation): New template declaration.
8387
8388 2009-08-14  Ian Lance Taylor  <iant@google.com>
8389
8390         * gold.h (FUNCTION_NAME): Define.
8391         (gold_unreachable): Use FUNCTION_NAME.
8392
8393 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8394
8395         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8396         symbol in the --keep-unique list is not found.
8397
8398 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8399
8400         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8401         been maked as --keep-unique.
8402         (Icf::unfold_section): New function.
8403         * icf.h (Icf::unfold_section): New function.
8404         * options.h (General_options::keep_unique): New option.
8405         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8406         * testsuite/Makefile.in: Regenerate.
8407         * testsuite/icf_keep_unique_test.sh: New file.
8408         * testsuite/icf_keep_unique_test.cc: New file.
8409
8410 2009-08-12  Cary Coutant  <ccoutant@google.com>
8411
8412         PR 10471
8413         * resolve.cc (Symbol_table::resolve): Check for references from
8414         dynamic objects to hidden and internal symbols.
8415         * testsuite/Makefile.am (hidden_test.sh): New test.
8416         * testsuite/Makefile.in: Regenerate.
8417         * testsuite/hidden_test.sh: New script.
8418         * testsuite/hidden_test_1.c: New test source.
8419         * testsuite/hidden_test_main.c: New test source.
8420
8421 2009-08-11  Doug Kwan  <dougkwan@google.com>
8422
8423         * arm.cc: Update comments.
8424         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8425         segment to locate the .ARM.exidx section if present.
8426
8427 2009-08-09  Doug Kwan  <dougkwan@google.com>
8428
8429         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8430         patch.
8431
8432 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8433         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8434         compiler warnings.
8435
8436 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8437
8438         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8439         valid tls_segment only for non-debug-section relocations.
8440         * testsuite/Makefile.am: Add gc_tls_test.
8441         * testsuite/Makefile.in: Regenerate.
8442         * testsuite/gc_tls_test.cc: New file.
8443         * testsuite/gc_tls_test.sh: New file.
8444
8445 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8446
8447         * icf.cc: New file.
8448         * icf.h: New file.
8449         * Makefile.am (CCFILES): Add icf.cc.
8450         (HFILES): Add icf.h
8451         * Makefile.in: Regenerate.
8452         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8453         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8454         section, symbol and addend information for the relocs.
8455         * gold.cc (queue_middle_tasks): Call identical code folding.
8456         * gold.h: Add defines for multimap.
8457         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8458         to the call of finalize_local_symbols.
8459         * main.cc (main): Create object of class Icf.
8460         * object.cc (Sized_relobj::do_layout): Allow this function to be
8461         called twice during icf.
8462         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8463         to sections marked as identical by icf.
8464         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8465         when available.
8466         (Sized_relobj::do_section_entsize): New function.
8467         * object.h (Object::section_entsize): New function.
8468         (Object::do_section_entsize): New pure virtual function.
8469         (Relobj::finalize_local_symbols): Add new parameter.
8470         (Relobj::do_section_entsize): New function.
8471         * options.h (General_options::icf): New option.
8472         (General_options::icf_iterations): New option.
8473         (General_options::print_icf_sections): New option.
8474         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8475         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8476         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8477         icf.
8478         * symtab.cc (Symbol_table::is_section_folded): New function.
8479         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8480         to sections marked as identical by icf.
8481         * symtab.h (Symbol_table::set_icf): New function.
8482         (Symbol_table::icf): New function.
8483         (Symbol_table::is_section_folded): New function.
8484         (Symbol_table::icf_): New data member.
8485         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8486         * testsuite/Makefile.am: Add commands to build icf_test.
8487         * testsuite/Makefile.in: Regenerate.
8488         * testsuite/icf_test.sh: New file.
8489         * testsuite/icf_test.cc: New file.
8490
8491 2009-07-24  Chris Demetriou  <cgd@google.com>
8492
8493         * layout.cc (is_compressible_debug_section): Fix incorrect
8494         comment about compressed section names.
8495
8496 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8497
8498         PR 10419
8499         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8500
8501 2009-07-16  Ian Lance Taylor  <iant@google.com>
8502
8503         PR 10400
8504         * layout.h: #include <map>.
8505         (class Kept_section): Change from struct to class.  Add accessors
8506         and setters.  Add section size to Comdat_group mapping.  Change
8507         Comdat_group to std::map.  Add is_comdat_ field.  Add
8508         linkonce_size field in union.
8509         (class Layout): Update declaration of find_or_add_kept_section.
8510         Don't declare find_kept_object.
8511         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8512         parameter.  Add object, shndx, is_comdat, and is_group_name
8513         parameters.  Change all callers.  Adjust for new Kept_section.
8514         (Layout::find_kept_object): Remove.
8515         * object.cc (Sized_relobj::include_section_group): Update use of
8516         Kept_section.  Rename secnum to shndx.  Only record
8517         Kept_comdat_section if sections are the same size.
8518         (Sized_relobj::include_linkonce_section): Update use of
8519         Kept_section.  Only record Kept_comdat_section if sections are the
8520         same size.  Set size of linkonce section.
8521         (Sized_relobj::map_to_kept_section): Update call to
8522         get_kept_comdat_section.
8523         * object.h (class Sized_relobj): Rename fields in
8524         Kept_comdat_section to drop trailing underscores; change object
8525         field to Relobj*.  Change Kept_comdat_section_table to store
8526         struct rather than pointer.
8527         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8528         Add kept_object and kept_shndx parameters.  Change all callers.
8529         (Sized_relobj::get_kept_comdat_section): Change return type to
8530         bool.  Add kept_object and kept_shndx parameters.  Change all
8531         callers.
8532         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8533         Layout::find_or_add_kept_section.
8534
8535 2009-07-09  Ian Lance Taylor  <iant@google.com>
8536
8537         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8538         Reserve space in the hash table.
8539
8540 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8541
8542         * fileread.cc (File_read::get_mtime): New method.
8543         * fileread.h (Timespec): New structure.
8544         (File_read::get_mtime): New method.
8545         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8546         Renamed from timestamp_nsec.
8547         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8548         Elf_Xword.
8549         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8550         timestamp_nsec.
8551         (Incremental_inputs::report_archive): Save mtime; style fix.
8552         (Incremental_inputs::report_obejct): Save mtime; style fix.
8553         (Incremental_inputs::report_script): Save mtime; style fix.
8554         (Incremental_inputs::finalize_inputs): Style fix.
8555         (Incremental_inputs::finalize): Style fix.
8556         (Incremental_inputs::create_input_section_data): Store inputs
8557         mtime.
8558         * incremental.h (Incremental_inputs::report_script): Add mtime
8559         argument.
8560         (Incremental_inputs::Input_info::Input_info): Intialize only one
8561         union member.
8562         (Incremental_inputs::Input_info::archive): Move to nameless
8563         union.
8564         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8565         (Incremental_inputs::Input_info::script): Move to nameless union.
8566         (Incremental_inputs::mtime): New field.
8567         * script.cc (read_input_script): Pass file mtime to
8568         Incremental_input.
8569         * script.h (Script_info::inputs): Style fix.
8570
8571 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8572
8573         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8574         instead of 32.
8575
8576 2009-06-24  Ian Lance Taylor  <iant@google.com>
8577
8578         PR 10156
8579         * layout.cc (Layout::choose_output_section): If we find an
8580         existing section, update the flags.
8581         (Layout::create_notes): New function, broken out of
8582         Layout::finalize.
8583         (Layout::finalize): Don't create note sections.
8584         (Layout::create_note): Don't crash if linker script discards
8585         section.
8586         (Layout::create_gold_note): Likewise.
8587         (Layout::create_build_id): Likewise.  Don't set
8588         after_input_sections on the section.
8589         (Layout::create_executable_stack_info): Remove target parameter.
8590         Change caller.
8591         * layout.h (class Layout): Declare create_notes.  Update
8592         declaration of create_executable_stack_info.
8593         * gold.cc (queue_middle_tasks): Call create_notes.
8594         * output.cc (Output_section::update_flags_for_input_section): Move
8595         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8596         invalid.
8597         * output.h (Output_data::mark_address_invalid): New function.
8598         (class Output_section): Only declare, not define,
8599         update_flags_for_input_section.  Remove set_flags.
8600
8601 2009-06-24  Ian Lance Taylor  <iant@google.com>
8602
8603         * script-sections.cc (Output_section_definition::
8604         set_section_addresses): Rename shadowing local load_address to
8605         laddr.
8606
8607 2009-06-24  Ian Lance Taylor  <iant@google.com>
8608
8609         PR 10244
8610         * reloc.cc (relocate_sections): Skip empty relocation sections.
8611
8612 2009-06-23  Ian Lance Taylor  <iant@google.com>
8613
8614         PR 10156
8615         * layout.cc (Layout::create_note): Use choose_output_section
8616         rather than make_output_section.
8617
8618 2009-06-23  Ian Lance Taylor  <iant@google.com>
8619
8620         PR 10237
8621         * options.cc (General_options::parse_V): Set printed_version_.
8622         (General_options::General_options): Initialize printed_version_.
8623         * options.h (class General_options): Add printed_version_ field.
8624         * gold.cc (queue_initial_tasks): If there are no input files,
8625         don't give a fatal error if we printed the version information.
8626         (queue_middle_tasks): If using -r with a shared object, give a
8627         fatal error rather than an ordinary error.
8628
8629 2009-06-23  Ian Lance Taylor  <iant@google.com>
8630
8631         PR 10219
8632         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8633         (Layout::make_output_section): Set have_stabstr_section_ if we see
8634         a .stab*str section.
8635         (Layout::finalize): Call link_stabs_sections.
8636         (Layout::link_stabs_sections): New file.
8637         * layout.h (class Layout): Add have_stabstr_section_ field.
8638         Declare link_stabs_sections.
8639
8640 2009-06-23  Doug Kwan  <dougkwan@google.com>
8641
8642         * Makefile.am (libgold_a_LIBADD): New.
8643         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8644         * Makefile.in: Regenerate.
8645         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8646         * configure: Regenerate.
8647         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8648         * fileread.cc: Include sys/state.h
8649         * gold.h: Declare memmem and strndup if found missing.
8650         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8651
8652 2009-06-23  Ian Lance Taylor  <iant@google.com>
8653
8654         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8655         * configure: Rebuild.
8656
8657 2009-06-23  Ian Lance Taylor  <iant@google.com>
8658
8659         PR 10147
8660         * object.cc (Object::section_contents): Don't try to get a view if
8661         the section has length zero.
8662         (Object::handle_gnu_warning_section): If the section is empty, use
8663         the name of the section as the warning.
8664
8665 2009-06-23  Ian Lance Taylor  <iant@google.com>
8666
8667         PR 10133
8668         * stringpool.h (class Stringpool_template): Add optimize_ field.
8669         (Stringpool_template::set_optimize): New function.
8670         * stringpool.cc (Stringpool_template::Stringpool_template):
8671         Initialize optimize_ field.
8672         (Stringpool_template::set_string_offsets): Test local optimize
8673         fild rather than parameter.
8674         * layout.cc (Layout::Layout): Call set_optimize on the section
8675         name stringpool.
8676
8677 2009-06-22  Ian Lance Taylor  <iant@google.com>
8678
8679         PR 10030
8680         * yyscript.y: Parse TARGET.
8681         * script.cc (script_set_target): New function.
8682         * script-c.h (script_set_target): Declare.
8683         * options.cc (General_options::string_to_object_format): Rename
8684         from string_to_object_format in anonymous namespace.  Change
8685         callers.
8686         * options.h (class General_options): Declare
8687         string_to_object_format.
8688
8689 2009-06-22  Ian Lance Taylor  <iant@google.com>
8690
8691         * script-sections.cc (Script_sections::create_segments): Don't put
8692         program headers in a PT_LOAD segment if -n or -N.
8693
8694 2009-06-22  Ian Lance Taylor  <iant@google.com>
8695
8696         PR 10141
8697         * options.h (class General_options): Add -z lazy and -z now.  Sort
8698         -z options into alphabetical order.
8699         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8700
8701 2009-06-21  Ian Lance Taylor  <iant@google.com>
8702
8703         * layout.cc (Layout::make_output_section): Call
8704         Target::new_output_section.
8705         (Layout::attach_allocated_section_to_segment): Put large section
8706         sections in a separate load segment with the large segment flag
8707         set.
8708         (Layout::segment_precedes): Sort large data segments after other
8709         load segments.
8710         (align_file_offset): New static function.
8711         (Layout::set_segment_offsets): Use align_file_offset.
8712         * output.h (class Output_section): Add is_small_section_ and
8713         is_large_section_ fields.
8714         (Output_section::is_small_section): New function.
8715         (Output_section::set_is_small_section):  New function.
8716         (Output_section::is_large_section): New function.
8717         (Output_section::set_is_large_section): New function.
8718         (Output_section::is_large_data_section): New function.
8719         (class Output_segment): Add is_large_data_segment_ field.
8720         (Output_segment::is_large_data_segment): New function.
8721         (Output_segment::set_is_large_data_segment): New function.
8722         * output.cc (Output_section::Output_section): Initialize new
8723         fields.
8724         (Output_segment::Output_segment): Likewise.
8725         (Output_segment::add_output_section): Add assertion that large
8726         data sections always go in large data segments.  Force small data
8727         sections to the end of the list of data sections.  Force small BSS
8728         sections to the start of the list of BSS sections.  For large BSS
8729         sections to the end of the list of BSS sections.
8730         * symtab.h (class Symbol): Declare is_common_shndx.
8731         (Symbol::is_defined): Check Symbol::is_common_shndx.
8732         (Symbol::is_common): Likewise.
8733         (class Symbol_table): Define enum Commons_section_type.  Update
8734         declarations.  Add small_commons_ and large_commons_ fields.
8735         * symtab.cc (Symbol::is_common_shndx): New function.
8736         (Symbol_table::Symbol_table): Initialize new fields.
8737         (Symbol_table::add_from_object): Put small and large common
8738         symbols in the right list.
8739         (Symbol_table::sized_finalized_symbol): Check
8740         Symbol::is_common_shndx.
8741         (Symbol_table::sized_write_globals): Likewise.
8742         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8743         common symbol lists.  Don't call do_allocate_commons_list if the
8744         list is empty.
8745         (Symbol_table::do_allocate_commons_list): Remove is_tls
8746         parameter.  Add comons_section_type parameter.  Change all
8747         callers.  Handle small and large common symbols.
8748         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8749         Symbol::is_common_shndx.
8750         * resolve.cc (symbol_to_bits): Likewise.
8751         * target.h (Target::small_common_shndx): New function.
8752         (Target::small_common_section_flags): New function.
8753         (Target::large_common_shndx): New function.
8754         (Target::large_common_section_flags): New function.
8755         (Target::new_output_section): New function.
8756         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8757         small_common_section_flags, and large_common_section_flags
8758         fields.
8759         (Target::do_new_output_section): New virtual function.
8760         * arm.cc (Target_arm::arm_info): Initialize new fields.
8761         * i386.cc (Target_i386::i386_info): Likewise.
8762         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8763         Likewise.
8764         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8765         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8766         (Target_x86_64::do_new_output_section): New function.
8767         * configure.ac: Define conditional MCMODEL_MEDIUM.
8768         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8769         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8770         (large_LDFLAGS): Define.
8771         * testsuite/large.c: New file.
8772         * testsuite/testfile.cc (Target_test::test_target_info):
8773         Initialize new fields.
8774         * configure, testsuite/Makefile.in: Rebuild.
8775
8776 2009-06-05  Doug Kwan  <dougkwan@google.com>
8777
8778         * Makefile.am (CCFILES): Add target.cc.
8779         * Makefile.in: Regenerate.
8780         * i386.cc (class Target_i386): Define new virtual method to
8781         override do_is_local_label_name in parent.
8782         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8783         local symbols if --discard-locals or -X is given.
8784         * options.h (class General_options): Declare new options
8785         '--discard-locals' and '-X' for discarding locals.
8786         * target.h (class Target): Define new methods is_local_label_name.
8787         Declare new virtual method do_is_local_label_name.
8788         * target.cc: New file.
8789         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8790         (check_SCRIPTS): Add discard_locals_test.sh.
8791         (check_DATA): Add discard_local_tests.syms.
8792         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8793         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8794         * testsuite/Makefile.in: Regenerate.
8795         * testsuite/discard_locals_test.c: New file.
8796         * testsuite/discard_locals_test.sh: Same.
8797
8798 2009-06-05  Doug Kwan  <dougkwan@google.com>
8799
8800         * object.cc (Sized_relobj::Sized_relobj): Initialize
8801         discarded_eh_frame_shndx_ to -1U.
8802         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8803         section.
8804         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8805         a discarded .eh_frame section.
8806         (Sized_relobj::do_finalize_local_symbols): Ditto.
8807         * object.h (class Sized_relobj): Declare new member
8808         discarded_eh_frame_shndx_.
8809         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8810         (local_labels_test.o, local_labels_test): New rules.
8811         * testsuite/Makefile.in: Regenerate.
8812
8813 2009-06-04  Doug Kwan  <dougkwan@google.com>
8814
8815         * layout.cc (Layout::section_name_mapping): Add mapping for
8816         special ARM sections.
8817
8818 2009-06-03  Doug Kwan  <dougkwan@google.com>
8819
8820         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8821         (utils::has_overflow): Same.
8822
8823 2009-06-03  Ian Lance Taylor  <iant@google.com>
8824
8825         * layout.cc (Layout::section_name_mapping): New array, replacing
8826         Layout::linkonce_mapping.
8827         (Layout::section_name_mapping_count): New variable, replacing
8828         Layout::linkonce_mapping_count.
8829         (Layout::linkonce_output_name): Remove.
8830         (Layout::output_section_name): Rewrite.
8831         * layout.h (class Layout): Rename Linkonce_mapping to
8832         Section_name_mapping, linkonce_mapping to section_name_mapping,
8833         linkonce_mapping_count to section_name_mapping_count.  Don't
8834         declare linkonce_output_name.
8835
8836 2009-06-03  Doug Kwan  <dougkwan@google.com>
8837
8838         * gold/arm.cc (namespace utils): New.
8839         (Target_arm::reloc_is_non_pic): Define new method.
8840         (class Arm_relocate_functions): New.
8841         (Target_arm::Relocate::relocate): Handle relocation types used by
8842         Android.
8843
8844 2009-06-03  Ian Lance Taylor  <iant@google.com>
8845
8846         * arm.cc (Target_arm::scan::global): Use || instead of |.
8847
8848 2009-06-02  Doug Kwan  <dougkwan@google.com>
8849
8850         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8851         issued_non_pic_error_.
8852         (class Target_arm::Scan): Declare new method check_non_pic.
8853         Define new method symbol_needs_plt_entry.
8854         Declare new data member issued_non_pic_error_.
8855         (class Target_arm::Relocate): Declare new method
8856         should_apply_static_reloc.
8857         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8858         (Target_arm::Scan::check_non_pic): Define new method.
8859         (Target_arm::Scan::local): Handle a small subset of reloc types used
8860         by Android.
8861         (Target_arm::Scan::local): Same.
8862         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8863
8864 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8865
8866         * incremental.cc (Incremental_inputs::report_command_line): Filter
8867         out --incremental-* options.
8868
8869 2009-05-29  Doug Kwan  <dougkwan@google.com>
8870
8871         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8872         template class.
8873         (class Target_arm): Update comment.
8874         (Target_arm::Target_arm): Initialize new data members GOT_,
8875         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8876         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8877         and Target_arm::rel_dyn_section.
8878         Declare new_enum Target_arm::Got_type.
8879         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8880         and DYNBSS_.
8881         Update commments for member do_dynsym_value.
8882         (Target_arm::got_size, Target_arm::plt_section,
8883         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8884         new methods inside class defintion.
8885         (Target_arm::got_section): Define new method.
8886         (Target_arm::rel_dyn_section): Same.
8887         (Output_data_plt_arm): New template class.
8888         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8889         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8890         (Output_data_plt_arm::add_entry): Same.
8891         (Output_data_plt_arm::first_plt_entry): Define new
8892         static data member for PLT instruction template.
8893         (Output_data_plt_arm::plt_entry): Same.
8894         (Output_data_plt_arm::do_write): Define new method.
8895         (Target_arm::make_plt_entry): Same.
8896         (Target_arm::do_finalize_sections): Same.
8897         (Target_arm::do_dynsym_value): Same.
8898
8899 2009-05-28  Doug Kwan  <dougkwan@google.com>
8900
8901         * Makefile.am (TARGETSOURCES): Add arm.cc.
8902         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8903         * Makefile.in: Regenerate.
8904         * arm.cc: New file.
8905         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8906
8907 2009-05-26  Doug Kwan  <dougkwan@google.com>
8908
8909         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8910         (General_options::check_excluded_libs): Strip off directories in
8911         archive name before matching like GNU ld does.
8912         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8913         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8914         (exclude_libs_test_LDFLAGS): Add linker option
8915         -Wl,--exclude-libs,libexclude_libs_test_3
8916         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8917         an explicit archive without using -l.
8918         (alt/libexclude_libs_test_3.a): New make rule.
8919         * testsuite/Makefile.in: Regenerate.
8920         * testsuite/exclude_libs_test.c : Declare lib3_default().
8921         (main): Call it.
8922         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8923         * exclude_libs_test_3.c: New file.
8924
8925 2009-05-26  Nick Clifton  <nickc@redhat.com>
8926
8927         * po/id.po: New Indonesian translation.
8928         * po/gold.pot: Updated template file.
8929
8930 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8931
8932         * testsuite/Makefile.am: Add -ffunction-sections to compile
8933         gc_comdat_test files.  Add -Wl,--gc-sections to build
8934         gc_comdat_test.
8935         * testsuite/Makefile.in: Regenerate.
8936         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8937
8938 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8939
8940         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8941         kept comdat section was garbage collected.
8942         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8943         * testsuite/Makefile.in: Regenerate.
8944         * testsuite/gc_comdat_test.sh: New file.
8945         * testsuite/gc_comdat_test_1.cc: New file.
8946         * testsuite/gc_comdat_test_2.cc: New file.
8947
8948 2009-05-19  Doug Kwan  <dougkwan@google.com>
8949
8950         * archive.cc (Archive::Archive): Move constructor from archive.h
8951         to here.  Initialize no_export_.
8952         (Archive::get_elf_object_for_member): Set no_export flag of object.
8953         * archive.h (Archive::Archive): Move constructor body to
8954         archive.cc.
8955         (Archive::no_export): New method.
8956         (Archive::no_export_): New field.
8957         * object.h (Object::Object): Initialize no_export_ to false.
8958         (Object::no_export, Object::set_no_export): New methods.
8959         (Object::no_export_): New field.
8960         * options.cc (General_options::parse_exclude_libs): New method.
8961         (General_options::check_excluded_libs) Same.
8962         * options.h (exclude_libs): New option.
8963         (General_options::check_excluded_libs): New method declaration.
8964         (General_options::excluded_libs_): New field.
8965         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8966         default or protected visibility if an object has no-export flag set.
8967         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8968         (check_SCRIPTS): Add exclude_libs_test.sh.
8969         (check_DATA): Add exclude_libs_test.syms.
8970         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8971         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8972         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8973         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8974         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8975         libexclude_libs_test_2.a): New rules.
8976         * testsuite/Makefile.in: Regenerate.
8977         * testsuite/exclude_libs_test.c: New file.
8978         * testsuite/exclude_libs_test.sh: Ditto.
8979         * testsuite/exclude_libs_test_1.c: Ditto.
8980         * testsuite/exclude_libs_test_2.c: Ditto.
8981
8982 2009-05-15  Ian Lance Taylor  <iant@google.com>
8983
8984         * configure.ac: Check for declarations for cases where libiberty.h
8985         checks HAVE_DECL_xxx.
8986         * configure, config.in: Rebuild.
8987
8988 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8989
8990         * gold.h (Incremental_argument_list): Remove (invalid) forward
8991         declaration.
8992         * incremental.cc (Incremental_inputs::report_achive): New method.
8993         (Incremental_inputs::report_object): New method.
8994         (Incremental_inputs::report_script): New method.
8995         (Incremental_inputs::finalize_inputs): New method.
8996         (Incremental_inputs::finalize): Call finalize_inputs().
8997         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8998         Create inputs entries.
8999         * incremental.h (Incremental_input_type): New enum.
9000         (Incremental_inputs::Incremental_input): Initialize new fields.
9001         (Incremental_inputs::report_inputs): New method.
9002         (Incremental_inputs::report_achive): New method.
9003         (Incremental_inputs::report_object): New method.
9004         (Incremental_inputs::report_script): New method.
9005         (Incremental_inputs::finalize_inputs): New method.
9006         (Incremental_inputs::Input_info): New struct.
9007         (Incremental_inputs::Input_info_map): New typedef.
9008         (Incremental_inputs::lock_): New field.
9009         (Incremental_inputs::Inputs_): New field.
9010         (Incremental_inputs::Inputs_map): New field.
9011         * main.cc (main): Call Incremental_input::report_inputs.
9012         * options.h (Input_argument_list): Typedef moved from
9013         Input_arguments.
9014         (Input_file_group::Files): Remove, use ::Input_argument_list.
9015         (Input_file_group::Input_argument_list): Remove, use
9016         ::Input_argument_list.
9017         * plugin.cc (Plugin_manager::add_input_file): Add error in
9018         incremental build.
9019         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9020         functions.
9021         * script.cc (read_input_script): Call
9022         Incremental_input::report_script.
9023         * script.h (Script_info): New class.
9024
9025 2009-04-27  Ian Lance Taylor  <iant@google.com>
9026
9027         * x86_64.cc (do_adjust_output_section): Set entsize to
9028         plt_entry_size.
9029
9030 2009-04-23  Elliott Hughes  <enh@google.com>
9031
9032         * output.cc (Output_file::close): After short writes, continue
9033         writing from the correct offset in the buffer being written.
9034
9035 2009-04-23  Chris Demetriou  <cgd@google.com>
9036
9037         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9038         * configure: Regenerate.
9039         * config.in: Regenerate.
9040         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9041         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9042
9043 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9044
9045         * incremental.cc (Incremental_inputs_header_data): Renamed from
9046         Incremental_input_header_data.
9047         (Incremental_inputs_header_data::data_size): New field.
9048         (Incremental_inputs_header_data::put_input_file_count): Renamed
9049         from input_file_count.
9050         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9051         from command_line_offset.
9052         (Incremental_inputs_header_data::put_reserved): Renamed from
9053         put_reserved.
9054         (Incremental_inputs_entry_data): Renamed from
9055         Incremental_input_entry_data.
9056         (Incremental_inputs_entry_data::data_size): New field.
9057         (Incremental_inputs::report_command_line): New method.
9058         (Incremental_inputs::finalize): New method.
9059         (Incremental_inputs::create_incremental_inputs_data): New method.
9060         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9061         * incremental.h: New file.
9062         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9063        (Layout::finalize): Create incremental inputs section in
9064         incremental builds.
9065        (Layout::create_incremental_info_sections): New method.
9066         * layout.h (Layout::incremental_inputs): New method.
9067        (Layout::create_incremental_info_sections): New method.
9068        (Layout::incremental_inputs_): New field.
9069         * main.cc (main): Notify Incremental_input of the command line.
9070
9071 2009-04-01  Ian Lance Taylor  <iant@google.com>
9072             Mikolaj Zalewski  <mikolajz@google.com>
9073
9074         * gold.h (reserve_unordered_map): Define, three versions, one for
9075         each version of Unordered_map.
9076         * layout.cc (Layout::Layout): Remove options parameter.  Add
9077         number_of_input_files parameter.  Don't initialize options_.
9078         Initialize number_of_input_files_ and resized_signatures_.  Move
9079         sections_are_attached_.
9080         (Layout::layout_group): Reserve space for group_signatures_.
9081         (Layout::find_or_add_kept_section): Change name parameter to be a
9082         reference.  Resize signatures_ map when it gets large enough.
9083         (Layout::layout_eh_frame): Use parameters->options() instead of
9084         this->options_.
9085         (Layout::make_output_section): Likewise.
9086         (Layout::attach_allocated_section_to_segment): Likewise.
9087         (Layout::finalize, Layout::create_executable_stack): Likewise.
9088         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9089         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9090         * layout.h (class Layout): Update declarations.  Remove options_
9091         field.  Add number_of_input_files_ and resized_signatures_
9092         fields.  Move sections_are_attached_ field.
9093         * main.cc (main): Pass number of input files to Layout
9094         constructor.  Don't pass options.
9095
9096 2009-03-30  Ian Lance Taylor  <iant@google.com>
9097
9098         * ffsll.c (ffsll): Correct implementation.
9099
9100 2009-03-27  Ian Lance Taylor  <iant@google.com>
9101
9102         * ffsll.c: New file.
9103         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9104         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9105         * ftruncate.c (ftruncate): Declare before definition.
9106         * mremap.c (mremap): Likewise.
9107         * pread.c (pread): Likewise.
9108         * configure, Makefile.in, config.in: Rebuild.
9109
9110         * mremap.c: New file.
9111         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9112         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9113         (mremap): Declare if HAVE_MREMAP is not defined.
9114         * configure, Makefile.in, config.in: Rebuild.
9115
9116 2009-03-27  Cary Coutant  <ccoutant@google.com>
9117
9118         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9119         position independent.
9120         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9121         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9122
9123 2009-03-24  Cary Coutant  <ccoutant@google.com>
9124
9125         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9126         an executable.
9127         (needs_dynamic_reloc): Likewise.
9128
9129 2009-03-24  Ian Lance Taylor  <iant@google.com>
9130
9131         * yyscript.y (file_cmd): Recognize EXTERN.
9132         (extern_name_list, extern_name_list_body): New nonterminals.
9133         * script.cc (script_add_extern): Define.
9134         * script-c.h (script_add_extern): Declare.
9135
9136 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9137
9138         * object.cc (is_elf_object): Define.
9139         * object.h (is_elf_object): Declare.
9140         * archive.cc (Archive::get_elf_object_for_member): Call
9141         is_elf_object.
9142         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9143
9144 2009-03-24  Elliott Hughes  <enh@google.com>
9145
9146         * output.cc (Output_file::map_anonymous): Define.
9147         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9148         try an anonymous one.  Report the size if the mmap fails.
9149         * output.h (class Output_file): Declare map_anonymous.
9150
9151 2009-03-24  Ian Lance Taylor  <iant@google.com>
9152
9153         * target-select.cc (instantiate_target): Don't acquire the lock if
9154         the instantiated_target_ field has already been set.
9155
9156 2009-03-23  Ian Lance Taylor  <iant@google.com>
9157
9158         * gold-threads.h (class Initialize_lock): Define.
9159         * gold-threads.cc (class Initialize_lock_once): Define.
9160         (initialize_lock_control): New static variable.
9161         (initialize_lock_pointer): New static variable.
9162         (initialize_lock_once): New static function.
9163         (Initialize_lock::Initialize_lock): Define.
9164         (Initialize_lock::initialize): Define.
9165         * target-select.h: Include "gold-threads.h".
9166         (class Target_selector): Add lock_ and initialize_lock_ fields.
9167         Don't define instantiate_target, just declare it.
9168         * target-select.cc (Target_selector::Target_selector): Initialize
9169         new fields.
9170         (Target_selector::instantiate_target): Define.
9171         * descriptors.h: Include "gold-threads.h".
9172         (class Descriptors): Add initialize_lock_ field.
9173         * descriptors.cc (Descriptors::Descriptors): Initialize new
9174         field.
9175         (Descriptors::open): Use initialize_lock_ field
9176         * errors.h (class Errors): Add initialize_lock_ field.
9177         * errors.cc (Errors::Errors): Initialize new field.
9178         (Errors::initialize_lock): Use initialize_lock_ field.
9179         * powerpc.cc (class Target_selector_powerpc): Remove
9180         instantiated_target_ field.  In do_recognize call
9181         instantiate_target rather than do_instantiate_target.  In
9182         do_instantiate_target just allocate a new target.
9183         * sparc.cc (class Target_selector_sparc): Likewise.
9184
9185         * freebsd.h: New file.
9186         * i386.cc: Include "freebsd.h".
9187         (Target_i386): Derive from Target_freebsd rather than
9188         Sized_target.
9189         (Target_selector_i386): Derive from Target_selector_freebsd rather
9190         than Target_selector.
9191         * x86_64.cc: Include "freebsd.h".
9192         (Target_x86_64): Derive from Target_freebsd rather than
9193         Sized_target.
9194         (Target_selector_x86_64): Derive from Target_selector_freebsd
9195         rather than Target_selector.
9196         * target.h (class Target): Add adjust_elf_header and
9197         do_adjust_elf_header.
9198         * output.cc (Output_file_header:: do_sized_write): Call target
9199         adjust_elf_header routine.
9200         * configure.tgt: Set targ_osabi.
9201         * configure.ac: Define GOLD_DEFAULT_OSABI.
9202         * parameters.cc (Parameters::default_target): Pass
9203         GOLD_DEFAULT_OSABI to select_target.
9204         * target-select.h (class Target_selector): Make instantiate_target
9205         protected rather than private.
9206         * Makefile.am (HFILES): Add freebsd.h.
9207         * configure, Makefile.in, config.in: Rebuild.
9208
9209         * merge.cc (do_add_input_section): Correct pend value.  Change
9210         message about last entry not being null terminated from error to
9211         warning.
9212
9213 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9214
9215         * incremental.cc: New file.
9216         * Makefile.am (CCFILES): Add incremental.cc.
9217         * Makefile.in: Rebuild.
9218
9219 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9220
9221         * layout.cc (Layout::output_section_name): Preserve names
9222         of '.note.' sections.
9223
9224 2009-03-19  Ian Lance Taylor  <iant@google.com>
9225
9226         * descriptors.cc (Descriptors::open): Check that the options are
9227         valid before using them.
9228
9229 2009-03-18  Ian Lance Taylor  <iant@google.com>
9230
9231         * script-sections.h: Include <list>.
9232         (class Script_sections): Change Sections_elements from std::vector
9233         to std::list.  Typedef public Elements_iterator.  Add
9234         orphan_section_placement_, data_segment_align_start_, and
9235         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9236         field.
9237         * script-sections.cc (class Orphan_section_placement): New class.
9238         (class Sections_element): Add virtual functions is_relro and
9239         orphan_section_init.  Remove virtual function place_orphan_here.
9240         (class Output_section_definition): Add is_relro and
9241         orphan_section_init.  Remove place_orphan_here.
9242         (class Orphan_output_section): Likewise.
9243         (Script_sections::Script_sections): Update for field changes.
9244         (Script_sections::data_segment_align): Set saw_data_segment_align_
9245         and data_segment_align_start_, not data_segment_align_index.
9246         (Script_sections::data_segment_relro_end): Check
9247         saw_data_segment_align_.  Use data_segment_align_start_ rather
9248         than data_segment_align_index_.
9249         (Script_sections::place_orphan): Rewrite to use
9250         Orphan_section_placement.
9251
9252 2009-03-17  Ian Lance Taylor  <iant@google.com>
9253
9254         * archive.cc (Archive::add_symbols): Check for a version attached
9255         to the symbol name in the archive map.
9256         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9257         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9258         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9259         (ver_test_11.a): New target.
9260         * testsuite/Makefile.in: Rebuild.
9261
9262         * configure.ac: Check for chsize and posix_fallocate.  Replace
9263         ftruncate.
9264         * ftruncate.c: New file, from gnulib.
9265         * output.cc (posix_fallocate): Define dummy version if not
9266         HAVE_POSIX_FALLOCATE.
9267         (Output_file::map): Call posix_fallocate rather than lseek and
9268         write.
9269         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9270         * configure, Makefile.in, config.in: Rebuild.
9271
9272 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9273
9274         * layout.h (Layout::create_note): Add section_name parameter.
9275         * layout.cc (Layout::create_note): Likewise.
9276         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9277
9278 2009-03-17  Ian Lance Taylor  <iant@google.com>
9279
9280         * descriptors.cc: Include "options.h".
9281         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9282         (Descriptors::open): Always use O_CLOEXEC when opening a new
9283         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9284         then set FD_CLOEXEC.
9285
9286         * sparc.cc (class Target_sparc): Add has_got_section.
9287         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9288         make sure we have a GOT section.
9289
9290         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9291         (Target_sparc::Scan::local): Likewise.
9292         (Target_sparc::Scan::global): Likewise.
9293         (Target_sparc::Relocate::relocate): Likewise.
9294         (Target_sparc::Relocate::relocate_tls): Likewise.
9295
9296         * symtab.cc (Symbol_table::define_default_version): New function,
9297         broken out of add_from_object.
9298         (Symbol_table::add_from_object): Call define_default_version.
9299         (Symbol_table::define_special_symbol): Add resolve_oldsym
9300         parameter.  Change all callers.  If the version for a symbol comes
9301         from a version script, resolve it with the symbol with the same
9302         name with no version.  Also add the symbol without a version if
9303         appropriate.
9304         (do_define_in_output_data): If resolving with oldsym, don't delete
9305         sym.
9306         (do_define_in_output_segment): Likewise.
9307         (do_define_as_constant): Likewise.
9308         * symtab.h (class Symbol_table): Update declarations.
9309
9310 2009-03-13  Ian Lance Taylor  <iant@google.com>
9311
9312         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9313         (Read_symbols::requeue): New function.
9314         (Read_symbols::do_read_symbols): If make_elf_object fails because
9315         the target type is not configured, and the file was searched for,
9316         issue a warning and retry with the next directory.
9317         (Add_symbols::run): If the file has an incompatible format, and
9318         it was searched for, requeue the Read_symbols task.  On error,
9319         release the object.
9320         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9321         dirindex parameter to constructor.  Change all callers.  Declare
9322         incompatible_warning and requeue.
9323         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9324         input_argument_ and input_group_ fields.  Add them to
9325         constructor.  Change all callers.
9326         (class Read_script): Add dirindex_ field.  Add it to constructor.
9327         Change all callers.
9328         * archive.cc (Archive::setup): Remove input_objects parameter.
9329         Change all callers.
9330         (Archive::get_file_and_offset): Likewise.
9331         (Archive::read_all_symbols): Likewise.
9332         (Archive::read_symbols): Likewise.
9333         (Archive::get_elf_object_for_member): Remove input_objects
9334         parameter.  Add punconfigured parameter.  Change all callers.
9335         (Archive::add_symbols): Change return type to bool.  Check return
9336         value of include_member.
9337         (Archive::include_all_members): Likewise.
9338         (Archive::include_member): Change return type to bool.  Return
9339         false if first included object has incompatible target.  Set
9340         included_member_ field.
9341         (Add_archive_symbols::run): If add_symbols returns false, requeue
9342         Read_symbols task.
9343         * archive.h (class Archive): Add included_member_ field.
9344         Initialize it in constructor.  Add input_file and searched_for
9345         methods.  Update declarations.
9346         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9347         input_argument_ fields.  Add them to constructor.  Change all
9348         callers.
9349         * script.cc: Include "target-select.h".
9350         (class Parser_closure): Add skip_on_incompatible_target_ and
9351         found_incompatible_target_ fields.  Add
9352         skip_on_incompatible_target parameter to constructor.  Change all
9353         callers.  Add methods skip_on_incompatible_target,
9354         clear_skip_on_incompatible_target, found_incompatible_target, and
9355         set_found_incompatible_target.
9356         (read_input_script): Add dirindex parameter.  Change all callers.
9357         If parser finds an incompatible target, requeue Read_symbols
9358         task.
9359         (script_set_symbol): Clear skip_on_incompatible_target in
9360         closure.
9361         (script_add_assertion, script_parse_option): Likewise.
9362         (script_start_sections, script_add_phdr): Likewise.
9363         (script_check_output_format): New function.
9364         * script.h (read_input_script): Update declaration.
9365         * script-c.h (script_check_output_format): Declare.
9366         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9367         (ignore_cmd): Remove OUTPUT_FORMAT.
9368         * fileread.cc (Input_file::Input_file): Add explicit this.
9369         (Input_file::will_search_for): New function.
9370         (Input_file::open): Add pindex parameter.  Change all callers.
9371         * fileread.h (class Input_file): Add input_file_argument method.
9372         Declare will_search_for.  Update declarations.
9373         * object.cc (make_elf_object): Add punconfigured parameter.
9374         Change all callers.
9375         * object.h (class Object): Make input_file public.  Add
9376         searched_for method.
9377         (make_elf_object): Update declaration.
9378         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9379         restart search.
9380         * dirsearch.h (class Dirsearch): Update declaration.
9381         * options.h (class General_options): Add --warn-search-mismatch.
9382         * parameters.cc (Parameters::is_compatible_target): New function.
9383         * parameters.h (class Parameters): Declare is_compatible_target.
9384         * workqueue.cc (Workqueue::add_blocker): New function.
9385         * workqueue.h (class Workqueue): Declare add_blocker.
9386
9387         * fileread.cc (Input_file::open): Remove options parameter.
9388         Change all callers.
9389         (Input_file::open_binary): Likewise.
9390         * script.cc (read_input_script): Likewise.
9391         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9392         options parameter from constructor.  Change all callers.
9393         (class Read_script): Likewise.
9394         * fileread.h (class Input_file): Update declarations.
9395         * script.h (read_input_script): Update declaration.
9396
9397 2009-03-10  Nick Clifton  <nickc@redhat.com>
9398
9399         * po/es.po: New Spanish translation.
9400
9401 2009-03-06  Cary Coutant  <ccoutant@google.com>
9402
9403         * options.cc (parse_short_option): Keep dash_z from registering itself.
9404
9405 2009-03-03  Ian Lance Taylor  <iant@google.com>
9406
9407         PR 9918
9408         * target-reloc.h (relocate_section): Pass output_section to
9409         relocate.
9410         * i386.cc (Target_i386::should_apply_static_reloc): Add
9411         output_section parameter.  Change all callers.
9412         (Target_i386::Relocate::relocate): Add output_section parameter.
9413         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9414         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9415         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9416         * testsuite/two_file_shared.sh: New script.
9417         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9418         (check_DATA): Add two_file_shared.dbg.
9419         (two_file_shared.dbg): New target.
9420         * testsuite/Makefile.in: Rebuild.
9421
9422 2009-03-01  Ian Lance Taylor  <iant@google.com>
9423
9424         * configure.ac: Check for byteswap.h.
9425         * configure: Rebuild.
9426         * config.in: Rebuild.
9427
9428 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9429
9430         * layout.cc (Layout::find_or_add_kept_section): New function.
9431         (Layout::add_comdat): Removed.
9432         * layout.h (struct Kept_section): Move out of class Layout.
9433         Remove trailing underscores from field names.  Add group_sections
9434         field.  Rename group_ field to is_group.  Change all uses.
9435         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9436         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9437         comdat_groups_ field.
9438         (Sized_relobj::include_section_group): Use
9439         find_or_add_kept_section and Kept_section::group_sections.
9440         (Sized_relobj::include_linkonce_section): Likewise.
9441         * object.cc (class Sized_relobj): Don't define Comdat_group or
9442         Comdat_group_table.  Remove find_comdat_group and
9443         add_comdat_group.  Remove comdat_groups_ field.
9444         * plugin.cc (include_comdat_group): Use
9445         Layout::find_or_add_kept_section.
9446
9447 2009-02-28  Ian Lance Taylor  <iant@google.com>
9448
9449         * README: --gc-sections and map files are now supported.  Document
9450         some build requirements.
9451
9452         PR 6992
9453         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9454         relocatable link set the value of the section symbol to zero.
9455         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9456         relocatable link don't include the section address in the local
9457         symbol value.
9458
9459 2009-02-27  Ian Lance Taylor  <iant@google.com>
9460
9461         PR 6811
9462         * options.h (class Search_directory): Add is_system_directory.
9463         (class General_options): Declare is_in_system_directory.
9464         * options.cc (get_relative_sysroot): Make static.
9465         (get_default_sysroot): Make static.
9466         (General_optoins::is_in_system_directory): New function.
9467         * fileread.cc (Input_file::is_in_system_directory): New function.
9468         * fileread.h (class Input_file): Declare is_in_system_directory.
9469         * object.h (class Object): Add is_in_system_directory.
9470         (class Input_objects): Remove system_library_directory_ field.
9471         * object.cc (Input_objects::add_object): Don't set
9472         system_library_directory_.
9473         (input_objects::found_in_system_library_directory): Remove.
9474         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9475         parameter.  Change all callers.
9476         (Symbol_table::sized_write_globals): Likewise.
9477         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9478         Call Object::is_in_system_directory.
9479         * symtab.h (class Symbol_table): Update declarations.
9480
9481         PR 5990
9482         * descriptors.h (Open_descriptor): Add is_on_stack field.
9483         * descriptors.cc (Descriptors::open): If the descriptor is on the
9484         top of the stack, remove it.  Initialize is_on_stack field.
9485         (Descriptors::release): Only add pod to stack if it is not on the
9486         stack already.
9487         (Descriptors::close_some_descriptor): Clear stack_next and
9488         is_on_stack fields.
9489
9490         PR 7091
9491         * output.cc (Output_section::find_starting_output_address): Rename
9492         from starting_output_address; add PADDR parameter; change return
9493         type.
9494         * output.h (class Output_section): Declare
9495         find_starting_output_address instead of starting_output_address.
9496         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9497         section symbol for which we can't find a merge section.
9498
9499         PR 9836
9500         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9501         hidden or internal, force the symbol to be local.
9502         * resolve.cc (Symbol::override_visibility): Define.
9503         (Symbol::override_base): Use override_visibility.
9504         (Symbol_table::resolve): Likewise.
9505         (Symbol::override_base_with_special): Likewise.
9506         (Symbol_table::override_with_special): If the visibility is hidden
9507         or internal, force the symbol to be local.
9508         * symtab.h (class Symbol): Add set_visibility and
9509         override_visibility.
9510         * testsuite/ver_test_1.sh: New file.
9511         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9512         (check_DATA): Add ver_test_1.syms.
9513         (ver_test_1.syms): New target.
9514         * testsuite/Makefile.in: Rebuild.
9515
9516 2009-02-25  Cary Coutant  <ccoutant@google.com>
9517
9518         * layout.cc (Layout::choose_output_section): Don't rename sections
9519         when using a linker script that has a SECTIONS clause.
9520         * Makefile.in: Regenerate.
9521
9522         * testsuite/Makefile.am (script_test_5.sh): New test case.
9523         * testsuite/Makefile.in: Regenerate.
9524         * testsuite/script_test_5.cc: New file.
9525         * testsuite/script_test_5.sh: New file.
9526         * testsuite/script_test_5.t: New file.
9527
9528 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9529
9530         * archive.cc (Archive::include_member): Update calls to add_symbols.
9531         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9532         the Layout argument.
9533         * dynobj.h (do_add_symbols): Add the Layout argument.
9534         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9535         Layout argument.
9536         * object.h (Object::add_symbols): Add the Layout argument.
9537         (Object::do_add_symbols): Add the Layout argument.
9538         (Sized_relobj::do_add_symbols): Add the Layout argument.
9539         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9540         Unify the two versions.
9541         (Add_plugin_symbols): Remove.
9542         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9543         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9544         (Add_plugin_symbols): Remove.
9545         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9546         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9547         (Add_symbols::run): Make it work with Pulginobj.
9548
9549 2009-02-06  Ian Lance Taylor  <iant@google.com>
9550
9551         * object.cc (Sized_relobj::do_layout): Make info message start
9552         with lower case letter.
9553
9554 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9555
9556         * binary.cc: Fix file comment.
9557
9558         * options.h (enum Incremental_disposition): Define.
9559         (class General_options): Add new options: --incremental,
9560         --incremental_changed, --incremental_unchanged,
9561         --incremental_unknown.  Add incremental_disposition_ and
9562         implicit_incremental_ fields.
9563         (General_options::incremental_disposition): New function.
9564         (class Position_dependent_options): Add incremental_disposition
9565         option.
9566         (Position_dependent_options::copy_from_options): Set incremental
9567         dispositions.
9568         * options.cc (General_options::parse_incremental_changed): New
9569         function.
9570         (General_options::parse_incremental_unchanged): New function.
9571         (General_options::parse_incremental_unknown): New function.
9572         (General_options::General_options): Initialize new fields
9573         incremental_disposition_ and implicit_incremental_.
9574         (General_options::finalize): Check for uasge of --incremental-*
9575         without --incremental.
9576
9577 2009-02-06  Chris Demetriou  <cgd@google.com>
9578
9579         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9580         pointer and to report location as the file name associated with
9581         the symbol.
9582         (gold_undefined_symbol_at_location): New function to replace the
9583         old gold_undefined_symbol functionality.
9584         * target-reloc.h (relocate_section): Update to use
9585         gold_undefined_symbol_at_location.
9586         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9587         Call gold_undefined_symbol function rather than gold_error.
9588         * errors.h (Errors::undefined_symbol): Take location as a
9589         string, rather than calculating it from a relocation.
9590         * errors.cc (Errors::fatal): Print "fatal error:" before the
9591         formatted message.
9592         (Errors::error, Errors::error_at_location): Print "error: "
9593         before the formatted message.
9594         (Errors::undefined_symbol): Take location as a string, rather
9595         than calculating it from a relocation.
9596         (gold_undefined_symbol_at_location): New function akin to
9597         old gold_undefined_symbol, calculates location from relocation.
9598         (gold_undefined_symbol): Change to take only a Symbol pointer
9599         and to report location as the file name associated with the symbol.
9600         * testsuite/debug_msg.sh: Update for changed error messages.
9601         * testsuite/undef_symbol.sh: Likewise.
9602
9603 2009-02-04  Duncan Sands  <baldrick@free.fr>
9604
9605         PR 9812
9606         * reduced_debug_output.h
9607         (Output_reduced_debug_abbrev_section::failed): Use format for
9608         gold_warning.
9609         (Output_reduced_debug_info_section::faild): Likewise.
9610
9611 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9612
9613         * script.cc (Lazy_demangler): New class.
9614         (Version_script_info::get_symbol_version_helper): Demangle a
9615         symbol only once.
9616
9617 2009-01-29  Cary Coutant  <ccoutant@google.com>
9618
9619         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9620         to __tls_get_addr.
9621         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9622
9623 2009-01-28  Ian Lance Taylor  <iant@google.com>
9624
9625         * version.cc (version_string): Bump to 1.9.
9626
9627         * gold.h: Include <cstring> and <stdint.h>.
9628         * version.cc: Include <cstdio>.
9629         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9630         warning.
9631         * reduced_debug_output.cc (insert_into_vector): Rename from
9632         Insert_into_vector; change all callers.  Use Swap_unaligned to
9633         avoid aliasing issue; remove union since it is unnecessary.
9634
9635 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9636
9637         * Makefile.am (CCFILES): Add gc.cc.
9638         (HFILES): Add gc.h.
9639         * Makefile.in: Regenerate.
9640         * gold.cc (Gc_runner): New class.
9641         (queue_initial_tasks): Call garbage collection related tasks
9642         when corresponding options are invoked.
9643         (queue_middle_gc_tasks): New function.
9644         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9645         processed early before laying out sections during garbage collection.
9646         * gold.h (queue_middle_gc_tasks): New function.
9647         (is_prefix_of): Move from "layout.cc".
9648         * i386.cc (Target_i386::gc_process_relocs): New function.
9649         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9650         * main.cc (main): Create object of class "Garbage_collection".
9651         * object.cc (Relobj::copy_symbols_data): New function.
9652         (Relobj::is_section_name_included): New function.
9653         (Sized_relobj::do_layout): Allow this function to be called twice
9654         during garbage collection and defer layout of section during the
9655         first call.
9656         * object.h (Relobj::get_symbols_data): New function.
9657         (Relobj::is_section_name_included): New function.
9658         (Relobj::copy_symbols_data): New function.
9659         (Relobj::set_symbols_data): New function.
9660         (Relobj::get_relocs_data): New function.
9661         (Relobj::set_relocs_data): New function.
9662         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9663         (Relobj::gc_process_relocs): New function.
9664         (Relobj::do_gc_process_relocs): New pure virtual function.
9665         (Relobj::sd_): New data member.
9666         (Sized_relobj::is_output_section_offset_invalid): New function.
9667         (Sized_relobj::do_gc_process_relocs): New function.
9668         * options.h (General_options::gc_sections): Modify to not be a no-op.
9669         (General_options::print_gc_sections): New option.
9670         * plugin.cc (Plugin_finish::run): Remove function call to
9671         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9672         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9673         * reloc.cc (Read_relocs::run): Add task to process relocs and
9674         determine unreferenced sections when doing garbage collection.
9675         (Gc_process_relocs): New class.
9676         (Sized_relobj::do_gc_process_relocs): New function.
9677         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9678         sections that are garbage collected.
9679         * reloc.h (Gc_process_relocs): New class.
9680         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9681         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9682         symbols whose corresponding sections are garbage collected.
9683         (Symbol_table::Symbol_table): Add new parameter for the garbage
9684         collection object.
9685         (Symbol_table::gc_mark_undef_symbols): New function.
9686         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9687         (Symbol_table::gc_mark_dyn_syms): New function.
9688         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9689         as garbage.
9690         (Symbol_table::add_from_object): Likewise.
9691         (Symbol_table::add_from_relobj): When building shared objects, do not
9692         treat externally visible symbols as garbage.
9693         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9694         table information for static and relocatable links.
9695         * symtab.h (Symbol_table::set_gc): New function.
9696         (Symbol_table::gc): New function.
9697         (Symbol_table::gc_mark_undef_symbols): New function.
9698         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9699         (Symbol_table::gc_mark_dyn_syms): New function.
9700         (Symbol_table::gc_): New data member.
9701         * target.h (Sized_target::gc_process_relocs): New pure virtual
9702         function.
9703         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9704         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9705
9706 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9707
9708         * options.h (General_options::gc_sections): Define as a no-op for now.
9709         (General_options::no_keep_memory): Ditto.
9710         (General_options::Bshareable): Define.
9711         * options.cc (General_options::finalize): Honor -Bshareable.
9712
9713 2009-01-20  Andreas Schwab  <schwab@suse.de>
9714
9715         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9716         read the value in the contents, since we don't use it.  Use the
9717         template endianness when writing.
9718         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9719
9720 2009-01-19  Andreas Schwab  <schwab@suse.de>
9721
9722         * configure.tgt (powerpc64-*): Fix targ_obj.
9723
9724 2009-01-15  Ian Lance Taylor  <iant@google.com>
9725
9726         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9727         local symbols when stripping all symbols.
9728
9729 2009-01-14  Cary Coutant  <ccoutant@google.com>
9730
9731         * output.cc (Output_reloc): Add explicit instantiations.
9732
9733 2009-01-14  Cary Coutant  <ccoutant@google.com>
9734
9735         * archive.cc (Archive::get_elf_object_for_member): Remove call
9736         to File_read::claim_for_plugin.
9737         * descriptors.cc (Descriptors::open): Remove reference to
9738         is_claimed.
9739         (Descriptors::claim_for_plugin): Remove.
9740         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9741         (Descriptors::is_claimed): Remove.
9742         (claim_descriptor_for_plugin): Remove.
9743         * fileread.cc (File_read::claim_for_plugin): Remove.
9744         * fileread.h (File_read::claim_for_plugin): Remove.
9745         (File_read::descriptor): Reopen descriptor if necessary.
9746         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9747         (Plugin_manager::all_symbols_read): Add task parameter. Change
9748         all callers.
9749         (Plugin_manager::get_input_file): New function.
9750         (Plugin_manager::release_input_file): New function.
9751         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9752         corresponding data member.
9753         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9754         and pass to base constructor. Change all callers.
9755         (get_input_file, release_input_file): New functions.
9756         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9757         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9758         (Plugin_manager::all_symbols_read): Add task parameter.
9759         (Plugin_manager::get_input_file): New function.
9760         (Plugin_manager::release_input_file): New function.
9761         (Plugin_manager::task_): New data member.
9762         (Pluginobj::Pluginobj): Add filesize parameter.
9763         (Pluginobj::filename): New function.
9764         (Pluginobj::descriptor): New function.
9765         (Pluginobj::filesize): New function.
9766         (Pluginobj::filesize_): New data member.
9767         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9768         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9769         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9770
9771         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9772         with archive libraries.
9773         * testsuite/Makefile.in: Regenerate.
9774         * testsuite/plugin_test.c (struct sym_info): New type.
9775         (get_input_file, release_input_file): New static variables.
9776         (onload): Capture new transfer vector entries.
9777         (claim_file_hook): Stop reading at end of file according to filesize.
9778         Factor out parsing of readelf output into separate function.
9779         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9780         APIs and get the source file name from the symbol table.  Convert
9781         source file name to corresponding object file name.  Print info
9782         message when adding new input files.
9783         (parse_readelf_line): New function.
9784         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9785         * testsuite/plugin_test_2.sh: Likewise.
9786         * testsuite/plugin_test_3.sh: Likewise.
9787         * testsuite/plugin_test_4.sh: New test case.
9788
9789 2009-01-07  Ian Lance Taylor  <iant@google.com>
9790
9791         * version.cc (version_string): Bump to 1.8.
9792
9793 2008-12-23  Cary Coutant  <ccoutant@google.com>
9794
9795         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9796         * plugin.cc (Plugin_manager::finish): Rename as
9797         layout_deferred_objects.  Move cleanup to separate function.
9798         (Plugin_manager::cleanup): New function.
9799         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9800         separately.
9801         * plugin.h (Plugin_manager::finish): Rename as
9802         layout_deferred_objects.
9803         (Plugin_manager::cleanup): New function.
9804         (Plugin_manager::cleanup_done): New field.
9805
9806 2008-12-23  Cary Coutant  <ccoutant@google.com>
9807
9808         * plugin.cc (is_visible_from_outside): New function.
9809         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9810         so we don't return "IR only" status for exported symbols or -r links.
9811
9812         * testsuite/Makefile.am (plugin_test_3): New test case.
9813         * testsuite/Makefile.in: Regenerate.
9814         * testsuite/plugin_test_3.sh: New file.
9815
9816 2008-12-22  Cary Coutant  <ccoutant@google.com>
9817
9818         * object.cc (Sized_relobj::layout_section): New function.
9819         (Sized_relobj::do_layout): Defer layout of input sections until after
9820         plugin has provided replacement files.
9821         (Sized_relobj::do_layout_deferred_sections): New function.
9822         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9823         (Relobj::layout_deferred_sections): New function.
9824         (Relobj::do_layout_deferred_sections): New function.
9825         (Sized_relobj::do_layout_deferred_sections): New function.
9826         (Sized_relobj::layout_section): New function.
9827         (Sized_relobj::Deferred_layout): New structure.
9828         (Sized_relobj::deferred_layout_): New field.
9829         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9830         Change all callers.  Layout deferred sections.
9831         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9832         references.
9833         (Plugin_hook::run): Move code from do_plugin_hook inline.
9834         (Plugin_hook::do_plugin_hook): Remove.
9835         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9836         (Plugin_manager::finish): Renamed, was cleanup.
9837         (Plugin_manager::should_defer_layout): New function.
9838         (Plugin_manager::add_deferred_layout_object): New function.
9839         (Plugin_manager::Deferred_layout_list): New type.
9840         (Plugin_manager::deferred_layout_objects_): New field.
9841         (Plugin_hook::do_plugin_hook): Remove.
9842
9843 2008-12-17  Ian Lance Taylor  <iant@google.com>
9844
9845         * options.h (class General_options): Add --no case for
9846         --export-dynamic.
9847
9848 2008-12-16  Cary Coutant  <ccoutant@google.com>
9849
9850         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9851         vector.
9852         (Plugin_manager::claim_file): Create plugin object even if
9853         plugin did not call the add_symbols callback.
9854         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9855         asking for more symbols than were added.
9856         * testsuite/Makefile.am (plugin_test_1): Add test case with
9857         no global symbols.
9858         (empty.syms): New target.
9859         * testsuite/Makefile.in: Regenerate.
9860         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9861         message. Don't call add_symbols if no globals.
9862         (all_symbols_read_hook): Don't provide replacement for empty
9863         claimed file.
9864
9865 2008-12-12  Ian Lance Taylor  <iant@google.com>
9866
9867         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9868         r_type == 0 for a local symbol with r_sym == 0.
9869         (scan_relocatable_relocs): Pass r_sym to
9870         local_non_section_strategy.
9871         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9872         r_sym parameter.
9873
9874         * configure.ac: Update test for TLS descriptors: they are
9875         supported as of glibc 2.9.
9876         * configure: Rebuild.
9877
9878 2008-12-11  Ian Lance Taylor  <iant@google.com>
9879
9880         PR 7091
9881         * target-reloc.h (Default_scan_relocatable_relocs): For each
9882         function, map r_type == 0 to RELOC_DISCARD.
9883
9884 2008-12-10  Cary Coutant  <ccoutant@google.com>
9885
9886         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9887         object to override a kept COMDAT group from a plugin object.
9888
9889 2008-12-09  Ian Lance Taylor  <iant@google.com>
9890
9891         PR 7088
9892         * yyscript.y (file_cmd): Handle INPUT.
9893
9894         * testsuite/initpri1.c: Change all declarations to be full
9895         prototypes by adding void, to avoid compiler warnings.
9896
9897 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9898
9899         * options.cc (General_options::parse_plugin_opt): New.
9900         (General_options::add_plugin): The argument now is just the filename.
9901         (General_options::add_plugin_option): New.
9902         * options.h (plugin_opt): New.
9903         (add_plugin): Change argument name.
9904         (add_plugin_option): New.
9905         * plugin.cc (Plugin::load): Don't parse the plugin option.
9906         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9907         (Plugin::add_option): New.
9908         (Plugin::args_): Change type.
9909         (Plugin::filename_): New.
9910         (Plugin_manager::add_plugin_option): New.
9911         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9912         * testsuite/Makefile.in: Regenerate.
9913
9914 2008-12-05  Cary Coutant  <ccoutant@google.com>
9915
9916         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9917         Handle --strip-lto-sections option.
9918         * options.h (strip_lto_sections): New option.
9919
9920 2008-12-01  Cary Coutant  <ccoutant@google.com>
9921
9922         * plugin.cc (ld_plugin_message): Change format parameter to const.
9923         Fix mismatch between new[] and delete.
9924
9925 2008-11-14  Cary Coutant  <ccoutant@google.com>
9926
9927         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9928         instead of -1U.
9929
9930 2008-11-05  Craig Silverstein  <csilvers@google.com>
9931
9932         * options.cc (General_options::parse_dynamic_list): New function.
9933         * options.h (General_options): New flags dynamic_list,
9934         dynamic_list_data, dynamic_list_cpp_new, and
9935         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9936         (General_options::in_dynamic_list): New function.
9937         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9938         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9939         (Lex::can_continue_name): Likewise.
9940         (yylex): Likewise.
9941         (read_script_file): New parameter script_options.
9942         (read_dynamic_list): New function.
9943         (Script_options::define_dynamic_list): New function.
9944         (dynamic_list_keyword_parsecodes): New variable.
9945         (dynamic_list_keywords): New variable.
9946         * script.h (Script_options::define_dynamic_list): New function
9947         prototype.
9948         (read_dynamic_list): New function prototype.
9949         * symtab.cc (strprefix): New macro.
9950         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9951         dynamic_list_data, dynamic_list_cpp_new, and
9952         dynamic_list_cpp_typeinfo.
9953         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9954         (dynamic_list_expr): New rule.
9955         (dynamic_list_nodes): Likewise.
9956         (dynamic_list_node): Likewise.
9957         * testsuite/Makefile.am (dynamic_list): New test.
9958         * testsuite/Makefile.in: Regenerated.
9959         * testsuite/dynamic_list.t: New file.
9960         * testsuite/dynamic_list.sh: New file.
9961
9962 2008-11-05  Craig Silverstein  <csilvers@google.com>
9963
9964         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9965         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9966         (t11_last): Likewise.
9967         * testsuite/ver_test_6.c (main): Likewise.
9968
9969 2008-10-07  Cary Coutant  <ccoutant@google.com>
9970
9971         * options.c (General_options::finalize): Add check for -static and
9972         -shared.
9973         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9974         is not empty.
9975
9976 2008-10-02  Cary Coutant  <ccoutant@google.com>
9977
9978         * plugin.cc (make_sized_plugin_object): Fix conditional
9979         compilation to work when not all targets are enabled.
9980
9981 2008-09-29  Cary Coutant  <ccoutant@google.com>
9982
9983         * archive.cc (Archive::get_file_and_offset): Use filename instead
9984         of name to get library path.
9985         (Archive::include_member): Unlock external member of a thin archive.
9986
9987         * testsuite/Makefile.am (TEST_AR): New variable.
9988         (thin_archive_test_1): New test.
9989         (thin_archive_test_2): New test.
9990         * testsuite/Makefile.in: Regenerate.
9991         * testsuite/thin_archive_main.cc: New file.
9992         * testsuite/thin_archive_test_1.cc: New file.
9993         * testsuite/thin_archive_test_2.cc: New file.
9994         * testsuite/thin_archive_test_3.cc: New file.
9995         * testsuite/thin_archive_test_4.cc: New file.
9996
9997 2008-09-29  Cary Coutant  <ccoutant@google.com>
9998
9999         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10000         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10001         instead of -1U.
10002         (Sized_relobj::do_finalize_local_symbols): Likewise.
10003         (Sized_relobj::map_to_kept_section): Likewise.
10004         * object.h (Sized_relobj::invalid_address): New constant.
10005         (Sized_relobj::do_output_section_offset): Check for invalid_address
10006         and return -1ULL.
10007         * output.cc (Output_reloc::local_section_offset): Use constant
10008         invalid_address instead of -1U.
10009         (Output_reloc::get_address): Likewise.
10010         (Output_section::output_address): Change -1U to -1ULL.
10011         * output.h (Output_reloc::invalid_address): New constant.
10012         * reloc.cc (Sized_relobj::write_sections): Use constant
10013         invalid_address instead of -1U.
10014         (Sized_relobj::relocate_sections): Likewise.
10015         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10016         values for merge sections.
10017         * target-reloc.h (relocate_for_relocatable): Use constant
10018         invalid_address instead of -1U.
10019
10020 2008-09-19  Cary Coutant  <ccoutant@google.com>
10021
10022         Add plugin functionality for link-time optimization (LTO).
10023         * configure.ac (plugins): Add --enable-plugins option.
10024         * configure: Regenerate.
10025         * config.in: Regenerate.
10026         * Makefile.am (LIBDL): New variable.
10027         (CCFILES): Add plugin.cc.
10028         (HFILES): Add plugin.h.
10029         (ldadd_var): Add LIBDL.
10030         * Makefile.in: Regenerate.
10031
10032         * archive.cc: Include "plugin.h".
10033         (Archive::setup): Don't preread archive symbols when using a plugin.
10034         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10035         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10036         files.
10037         (Archive::include_member): Add symbols from plugin objects.
10038         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10039         * descriptors.cc (Descriptors::open): Check for file descriptors
10040         abandoned by plugins.
10041         (Descriptors::claim_for_plugin): New function.
10042         * descriptors.h (Descriptors::claim_for_plugin): New function.
10043         (Open_descriptor::is_claimed): New field.
10044         (claim_descriptor_for_plugin): New function.
10045         * fileread.cc (File_read::claim_for_plugin): New function.
10046         * fileread.h (File_read::claim_for_plugin): New function.
10047         (File_read::descriptor): New function.
10048         * gold.cc: Include "plugin.h".
10049         (queue_initial_tasks): Add task to call plugin hooks for generating
10050         new object files.
10051         * main.cc: Include "plugin.h".
10052         (main): Load plugin libraries.
10053         * object.h (Pluginobj): Declare.
10054         (Object::pluginobj): New function.
10055         (Object::do_pluginobj): New function.
10056         (Object::set_target): New function.
10057         * options.cc: Include "plugin.h".
10058         (General_options::parse_plugin): New function.
10059         (General_options::General_options): Initialize plugins_ field.
10060         (General_options::add_plugin): New function.
10061         * options.h (Plugin_manager): Declare.
10062         (General_options): Add --plugin option.
10063         (General_options::has_plugins): New function.
10064         (General_options::plugins): New function.
10065         (General_options::add_plugin): New function.
10066         (General_options::plugins_): New field.
10067         * plugin.cc: New file.
10068         * plugin.h: New file.
10069         * readsyms.cc: Include "plugin.h".
10070         (Read_symbols::do_read_symbols): Check for archive before checking
10071         for ELF file.  Call plugin hooks to claim files.
10072         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10073         from a real object file; force override when processing replacement
10074         files.
10075         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10076         (Symbol::init_base_object): Likewise.
10077         (Symbol::init_base_output_data): Likewise.
10078         (Symbol::init_base_output_segment): Likewise.
10079         (Symbol::init_base_constant): Likewise.
10080         (Symbol::init_base_undefined): Likewise.
10081         (Symbol::output_section): Assert that object is not a plugin.
10082         (Symbol_table::add_from_pluginobj): New function.
10083         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10084         undefined.
10085         (Symbol_table::sized_write_globals): Likewise.
10086         (Symbol_table::add_from_pluginobj): Instantiate template.
10087         * symtab.h (Sized_pluginobj): Declare.
10088         (Symbol::in_real_elf): New function.
10089         (Symbol::set_in_real_elf): New function.
10090         (Symbol::in_real_elf_): New field.
10091         (Symbol_table::add_from_pluginobj): New function.
10092
10093         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10094         (LIBDL): New variable.
10095         (LDADD): Add LIBDL.
10096         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10097         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10098         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10099         (MOSTLYCLEANFILES): Likewise.
10100         * testsuite/Makefile.in: Regenerate.
10101         * testsuite/plugin_test.c: New file.
10102         * testsuite/plugin_test_1.sh: New file.
10103         * testsuite/plugin_test_2.sh: New file.
10104
10105 2008-09-16  Ian Lance Taylor  <iant@google.com>
10106
10107         * target-reloc.h (relocate_section): Check whether a symbol is
10108         defined by the ABI before reporting an undefined symbol error.
10109         * target.h (Target::is_defined_by_abi): Make parameter const.
10110         (Target::do_is_defined_by_abi): Likewise.
10111         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10112         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10113         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10114         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10115         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10116         * testsuite/Makefile.in: Rebuild.
10117
10118         * fileread.cc (make_view): Add casts to avoid warning.
10119
10120 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10121
10122         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10123         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10124
10125 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10126
10127         * options.h (General_options::output_is_executable): New.
10128         (General_options::output_is_pie): New.
10129         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10130         for shared libraries.
10131         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10132
10133 2008-09-11  Chris Demetriou  <cgd@google.com>
10134
10135         * options.h (origin): New -z option.
10136         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10137         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10138         in DT_FLAGS_1.
10139
10140 2008-09-05  Cary Coutant  <ccoutant@google.com>
10141
10142         * fileread.cc (File_read::make_view): Add check for attempt to map
10143         beyond end of file.
10144
10145 2008-09-05  Cary Coutant  <ccoutant@google.com>
10146
10147         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10148         explicit instantiations.
10149
10150 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10151
10152         PR gold/6858
10153         * options.cc (General_options::finalize): Allow undefined symbols
10154         in shlibs if linking -shared.
10155
10156         PR gold/6859
10157         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10158         symbols as not needing a dynsym entry.
10159
10160 2008-08-20  Craig Silverstein  <csilvers@google.com>
10161
10162         * fileread.cc (File_read::open): Do not lock the file unless it
10163         was successfully opened.
10164
10165 2008-08-14  Cary Coutant  <ccoutant@google.com>
10166
10167         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10168         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10169         * testsuite/tls_test.cc (struct int128): 128-bit struct
10170         for testing TLS relocs with non-zero addend.
10171         (v12): New TLS variable.
10172         (t12): New test.
10173         (t_last): Add check for v12.
10174         * testsuite/tls_test.h (t12): New function.
10175         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10176
10177 2008-08-13  Ian Lance Taylor  <iant@google.com>
10178
10179         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10180         set tls_segment_ or relro_segment_.
10181         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10182         when appropriate.
10183         * output.h (Output_section::clear_is_relro): New function.
10184         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10185         sections specially even when output_data_ is empty.
10186         (Output_segment::maximum_alignment): When first section is relro,
10187         only force alignment for PT_LOAD segments.
10188         * script.cc (script_data_segment_align): New function.
10189         (script_data_segment_relro_end): New function.
10190         * script-c.h (script_data_segment_align): Declare.
10191         (script_data_segment_relro_end): Declare.
10192         * script-sections.h (class Script_sections): Declare
10193         data_segment_align and data_segment_relro_end.  Add fields
10194         segment_align_index_ and saw_relro_end_.
10195         * script-sections.cc (class Sections_element): Add set_is_relro
10196         virtual function.  Add new bool* parameter to place_orphan_here.
10197         Add get_output_section virtual function.
10198         (class Output_section_definition): Add set_is_relro.  Add new
10199         bool* parameter to place_orphan_here.  Add get_output_section.
10200         Add is_relro_ field.
10201         (Output_section_definition::Output_section_definition): Initialize
10202         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10203         and is_relro_ fields.
10204         (Output_section_definition::place_orphan_here): Add is_relro
10205         parameter.
10206         (Output_section_definition::set_section_addresses): Set relro for
10207         output section.
10208         (Output_section_definition::alternate_constraint): Likewise.
10209         (class Orphan_output_section): Add new bool* parameter to
10210         place_orphan_here.  Add get_output_section.
10211         (Orphan_output_section::place_orphan_here): Add is_relro
10212         parameter.
10213         (Script_sections::Script_sections): Initialize
10214         data_segment_align_index_ and saw_relro_end_.
10215         (Script_sections::data_segment_align): New function.
10216         (Script_sections::data_segment_relro_end): New function.
10217         (Script_sections::place_orphan): Set or clear is_relro.
10218         (Script_sections::set_section_addresses): Force alignment of first
10219         TLS section.
10220         * yyscript.y (exp): Call script_data_segment_align and
10221         script_data_segment_relro_end.
10222         * testsuite/relro_script_test.t: New file.
10223         * testsuite/relro_test.cc (using_script): Declare.
10224         (t1, t2): Test using_script.
10225         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10226         (relro_script_test_SOURCES): Define.
10227         (relro_script_test_DEPENDENCIES): Define.
10228         (relro_script_test_LDFLAGS): Define.
10229         (relro_script_test_LDADD): Define.
10230         (relro_script_test.so): New target.
10231         * testsuite/Makefile.in: Rebuild.
10232
10233 2008-08-06  Cary Coutant <ccoutant@google.com>
10234
10235         * archive.cc (Archive::total_archives, Archive::total_members)
10236         (Archive::total_members_loaded): New variables.
10237         (Archive::setup): Add parameter.  Add option to preread
10238         archive symbols.
10239         (Archive::read_armap): Add counter.
10240         (Archive::get_file_and_offset): New function.
10241         (Archive::get_elf_object_for_member): New function.
10242         (Archive::read_all_symbols): New function.
10243         (Archive::read_symbols): New function.
10244         (Archive::add_symbols): Add counters.
10245         (Archive::include_all_members): Use armap to find members if it's
10246         already built.
10247         (Archive::include_member): Skip reading symbols if already read.
10248         Factored code into Archive::get_file_and_offset and
10249         Archive::get_elf_object_for_member.  Changed call to
10250         Mapfile::report_include_archive_member.
10251         (Archive::print_stats): New function.
10252         * archive.h: Declare Object and Read_symbols_data classes.
10253         (Archive::Archive): Add initializers for new members.
10254         (Archive::setup): Add parameter.
10255         (Archive::print_stats): New function.
10256         (Archive::total_archives, Archive::total_members)
10257         (Archive::total_members_loaded): New variables.
10258         (Archive::get_file_and_offset): New function.
10259         (Archive::get_elf_object_for_member): New function.
10260         (Archive::read_all_symbols): New function.
10261         (Archive::read_symbols): New function.
10262         (Archive::Archive_member): New class.
10263         (Archive::members_): New member.
10264         (Archive::num_members_): New member.
10265         * main.cc: Include archive.h.
10266         (main): Call Archive::print_stats.
10267         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10268         archive parameter; member_name is now the fully-decorated name.
10269         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10270         * options.h: (General_options): Add --preread-archive-symbols option.
10271         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10272         Archive::setup.
10273
10274 2008-08-04  Ian Lance Taylor  <iant@google.com>
10275
10276         * symtab.h (Symbol::use_plt_offset): New function.
10277         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10278         * powerpc.cc (Relocate::relocate): Likewise.
10279         * sparc.cc (Relocate::relocate): Likewise.
10280         * x86_64.cc (Relocate::relocate): Likewise.
10281         * testsuite/weak_plt.sh: New test.
10282         * testsuite/weak_plt_main.cc: New test.
10283         * testsuite/weak_plt_shared.cc: New test.
10284         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10285         (check_PROGRAMS): Add weak_plt.
10286         (check_DATA): Add weak_plt_shared.so.
10287         (weak_plt_main_pic.o, weak_plt): New targets.
10288         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10289         * testsuite/Makefile.in: Rebuild.
10290
10291         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10292         gcctestdir/ld.
10293         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10294         * testsuite/Makefile.in: Rebuild.
10295
10296 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10297
10298         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10299         * Makefile.in: Regenerate.
10300         * po/POTFILES.in: Regenerate.
10301
10302 2008-07-29  Ian Lance Taylor  <iant@google.com>
10303
10304         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10305         symbols before other symbols.
10306         * testsuite/script_test_2.cc (test_addr): Declare.
10307         (test_addr_alias): Declare.
10308         (main): Check that test_addr and test_addr_alias have the right
10309         values.
10310         * testsuite/script_test_2.t: Define test_addr_alias and
10311         test_addr.
10312
10313 2008-07-24  Ian Lance Taylor  <iant@google.com>
10314
10315         PR 5990
10316         * descriptors.cc: New file.
10317         * descriptors.h: New file.
10318         * gold-threads.h (class Hold_optional_lock): New class.
10319         * fileread.cc: Include "descriptors.h".
10320         (File_read::~File_read): Release descriptor rather than closing
10321         it.
10322         (File_read::open) [file]: Call open_descriptor rather than open.
10323         Set is_descriptor_opened_.
10324         (File_read::open) [memory]: Assert that descriptor is not open.
10325         (File_read::reopen_descriptor): New function.
10326         (File_read::release): Release descriptor.
10327         (File_read::do_read): Make non-const.  Reopen descriptor.
10328         (File_read::read): Make non-const.
10329         (File_read::make_view): Reopen descriptor.
10330         (File_read::do_readv): Likewise.
10331         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10332         Update declarations.
10333         * layout.cc: Include "descriptors.h".
10334         (Layout::create_build_id): Use open_descriptor rather than open.
10335         * output.cc: Include "descriptors.h".
10336         (Output_file::open): Use open_descriptor rather than open.
10337         * archive.cc (Archive::const_iterator): Change Archive to be
10338         non-const.
10339         (Archive::begin, Archive::end): Make non-const.
10340         (Archive::count_members): Likewise.
10341         * archive.h (class Archive): Update declarations.
10342         * object.h (Object::read): Make non-const.
10343         * Makefile.am (CCFILES): Add descriptors.cc.
10344         (HFILES): Add descriptors.h.
10345         * Makefile.in: Rebuild.
10346
10347         PR 6716
10348         * gold.h: Always include <clocale>.  Add Solaris workarounds
10349         following code in binutils/sysdep.h.
10350
10351         PR 6048
10352         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10353         this->eh_frame_hdr_ is NULL before using it.
10354
10355         * dynobj.cc (Versions::Versions): Update comment.
10356
10357         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10358         the base version name.
10359
10360         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10361         array size plus one.
10362         (Stringpool_template::set_string_offsets): Subtract one from key
10363         before using it as an array index.
10364         (Stringpool_template::get_offset_with_length): Likewise.
10365         (Stringpool_template::write_to_buffer): Likewise.
10366         * stringpool.h (Stringpool_template::get_offset_from_key):
10367         Likewise.
10368
10369 2008-07-23  Ian Lance Taylor  <iant@google.com>
10370
10371         PR 6658
10372         * object.h (Merged_symbol_value::value): Do our best to handle a
10373         negative addend.
10374
10375         PR 6647
10376         * script.cc (Version_script_info::get_versions): Don't add empty
10377         version tag to return value.
10378         (Version_script_info::get_symbol_version_helper): Change return
10379         type to bool.  Add pversion parameter.  Change all callers.
10380         (script_register_vers_node): Don't require a non-NULL tag.
10381         * script.h (class Version_script_info): Update declarations.
10382         (Version_script_info::get_symbol_version): Change return type to
10383         bool.  Add version parameter.  Change all callers.
10384         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10385         handling.  Handle an empty version from a version script.
10386         (Symbol_table::define_special_symbol): Likewise.
10387         * testsuite/ver_test_10.script: New file.
10388         * testsuite/ver_test_10.sh: New file.
10389         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10390         (check_DATA): Add ver_test_10.syms.
10391         (ver_test_10.syms, ver_test_10.so): New target.
10392         * testsuite/Makefile.in: Rebuild.
10393
10394 2008-07-23  Simon Baldwin  <simonb@google.com>
10395
10396         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10397         to zero for undefined symbols from dynamic libraries.
10398
10399 2008-07-23  Ian Lance Taylor  <iant@google.com>
10400
10401         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10402         Change all callers.
10403         * symtab.h (class Symbol_table): Update declaration.
10404         * testsuite/ver_test_9.cc: New file.
10405         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10406         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10407         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10408         (ver_test_9.so, ver_test_9.o): New targets.
10409         * testsuite/Makefile.in: Rebuild.
10410
10411 2008-07-22  Ian Lance Taylor  <iant@google.com>
10412
10413         * options.h (class General_options): Define --check-sections.
10414         * layout.cc (Layout::set_segment_offsets): Handle
10415         --check-sections.
10416
10417         * options.h (class General_options): Define -n/--nmagic and
10418         -N/--omagic.
10419         * options.cc (General_options::finalize): For -n/--nmagic or
10420         -N/--omagic, set -static.
10421         * layout.cc (Layout::attach_allocated_section_to_segment): If
10422         -N/--omagic, don't put read-only and read-write sections in
10423         different segments.
10424         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10425         finding a read-only segment.
10426         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10427         don't set the minimum segment alignment to the common page size,
10428         and don't set the file offset to the address modulo the page size.
10429         * script-sections.cc (Script_sections::create_segments): If
10430         -n/--omagic, don't put read-only and read-write sections in
10431         different segments.
10432
10433         * cref.cc: New file.
10434         * cref.h: New file.
10435         * options.h (class General_options): Add --print-symbol-counts.
10436         * main.cc (main): Issue defined symbol report if requested.
10437         * archive.cc (Archive::interpret_header): Make into a const member
10438         function.
10439         (Archive::add_symbols): Call Input_objects::archive_start and
10440         archive_stop.
10441         (Archive::const_iterator): Define new class.
10442         (Archive::begin, Archive::end): New functions.
10443         (Archive::include_all_members): Rewrite to use iterator.
10444         (Archive::count_members): New function.
10445         * archive.h (class Archive): Update declarations.
10446         (Archive::filename): New function.
10447         * object.cc: Include "cref.h".
10448         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10449         (Sized_relobj::do_get_global_symbol_counts): New function.
10450         (Input_objects::add_object): Add object to cross-referencer.
10451         (Input_objects::archive_start): New function.
10452         (Input_objects::archive_stop): New function.
10453         (Input_objects::print_symbol_counts): New function.
10454         * object.h: Declare Cref and Archive.
10455         (Object::get_global_symbol_counts): New function.
10456         (Object::do_get_global_symbol_counts): New pure virtual function.
10457         (class Sized_relobj): Add defined_count_ field.  Update
10458         declarations.
10459         (class Input_objects): Add cref_ field.  Update constructor.
10460         Update declarations.
10461         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10462         defined_count_.
10463         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10464         symbol counts.
10465         (Sized_dynobj::do_get_global_symbol_counts): New function.
10466         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10467         defined_count_.  Update declarations.  Define Symbols typedef.
10468         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10469         parameter.  Change all callers.
10470         (Symbol_table::add_from_dynobj): Add sympointers and defined
10471         parameters.  Change all callers.
10472         * symtab.h (class Symbol_table): Update declarations.
10473         * Makefile.am (CCFILES): Add cref.cc.
10474         (HFILES): Add cref.h.
10475         * Makefile.in: Rebuild.
10476
10477 2008-07-22  Simon Baldwin  <simonb@google.com>
10478
10479         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10480         to zero when writing undefined symbols.
10481
10482 2008-07-22  Ian Lance Taylor  <iant@google.com>
10483
10484         * output.cc (Output_section::add_input_section): Don't try to
10485         merge empty merge sections.
10486
10487 2008-07-21  Craig Silverstein  <csilvers@google.com>
10488
10489         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10490         Include symbol version in error message.
10491
10492 2008-07-20  Chris Demetriou  <cgd@google.com>
10493
10494         * configure.ac (gold_cv_c_random_seed): New configured variable.
10495         (RANDOM_SEED_CFLAGS): New substituted variable.
10496         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10497         * configure: Rebuild.
10498         * Makefile.in: Likewise.
10499         * testsuite/Makefile.in: Likewise.
10500
10501 2008-07-18  Ian Lance Taylor  <iant@google.com>
10502
10503         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10504         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10505         * testsuite/ver_test_main.cc (main): Call t4.
10506         (t4, t4_2a): Define.
10507         * testsuite/ver_test_2.cc (t4_2): Define.
10508         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10509         * testsuite/ver_test_4.cc (t4_2a): Define.
10510         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10511         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10512
10513 2008-07-17  Ian Lance Taylor  <iant@google.com>
10514
10515         * dynobj.cc (Versions::add_def): If we give an error about a
10516         missing version, go ahead and create the version anyhow.
10517
10518 2008-07-10  Ian Lance Taylor  <iant@google.com>
10519
10520         Handle output sections with more than 0x7fffffff bytes.
10521         * object.h (class Relobj): Change map_to_output_ to
10522         output_sections_, and just keep a section pointer.  Change all
10523         uses.  Move comdat group support to Sized_relobj.
10524         (Relobj::is_section_specially_mapped): Remove.
10525         (Relobj::output_section): Remove poff parameter.  Change all
10526         callers.
10527         (Relobj::output_section_offset): New function.
10528         (Relobj::set_section_offset): Rewrite.
10529         (Relobj::map_to_output): Remove.
10530         (Relobj::output_sections): New function.
10531         (Relobj::do_output_section_offset): New pure virtual function.
10532         (Relobj::do_set_section_offset): Likewise.
10533         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10534         group support from Relobj.  Update declarations.
10535         (Sized_relobj::get_output_section_offset): New function.
10536         (Sized_relobj::do_output_section_offset): New function.
10537         (Sized_relobj::do_set_section_offset): New function.
10538         * object.cc (Relobj::output_section_address): Remove.
10539         (Sized_relobj::Sized_relobj): Initialize new fields.
10540         (Sized_relobj::include_section_group): Cast find_kept_object to
10541         Sized_relobj.
10542         (Sized_relobj::include_linkonce_section): Likewise.
10543         (Sized_relobj::do_layout): Use separate arrays for output section
10544         and output offset.
10545         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10546         output_sections.
10547         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10548         output_sections and section_offsets.
10549         (Sized_relobj::write_local_symbols): Likewise.
10550         (map_to_kept_section): Compute output address directly.
10551         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10552         output_sections and section_offsets.
10553         (Sized_relobj::write_sections): Likewise.
10554         (Sized_relobj::relocate_sections): Likewise.
10555         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10556         * output.h (class Output_reloc): Update declarations.  Change
10557         u2_.relobj to Sized_relobj*.
10558         (class Output_data_reloc): Change add functions to use
10559         Sized_relobj*.
10560         * output.cc (Output_reloc::Output_reloc): Change relobj to
10561         Sized_relobj*.
10562         (Output_reloc::local_section_offset): Change return type to
10563         Elf_Addr.  Use get_output_section_offset.
10564         (Output_reloc::get_address): Likewise.
10565         (Output_section::is_input_address_mapped): Don't call
10566         is_section_specially_mapped.
10567         (Output_section::output_offset): Likewise.
10568         (Output_section::output_address): Likewise.
10569         (Output_section::starting_output_address): Likewise.
10570         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10571         parameter to Sized_relobj*.
10572         (Copy_relocs::need_copy_reloc): Likewise.
10573         (Copy_relocs::save): Likewise.
10574         * copy-relocs.h (class Copy_relocs): Update declarations.
10575         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10576         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10577         * target-reloc.h (relocate_for_relocatable): Change
10578         offset_in_output_section type to Elf_Addr.  Change code that uses
10579         it as well.
10580         * layout.cc (Layout::layout): Always set *off.
10581         * mapfile.cc (Mapfile::print_input_section): Use
10582         output_section_offset.
10583         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10584         Sized_relobj*.
10585         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10586         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10587         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10588
10589 2008-07-03  Ian Lance Taylor  <iant@google.com>
10590
10591         * layout.cc (Layout::include_section): Do not discard unrecognized
10592         SHT_STRTAB sections.
10593
10594 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10595
10596         * script.cc (Lex::can_continue_name): Make '?' allowable in
10597         version-script names.
10598         * testsuite/version_script.map: Change glob pattern to use '?'
10599
10600 2008-06-30  Manish Singh  <yosh@gimp.org>
10601
10602         PR 6585
10603         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10604         Correct typo.
10605
10606 2008-06-30  Ian Lance Taylor  <iant@google.com>
10607
10608         PR 6660
10609         PR 6682
10610         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10611         versions]: Don't try to read the value in the contents, since we
10612         don't use it.  Use the template endianness when writing.
10613
10614 2008-06-25  Cary Coutant  <ccoutant@google.com>
10615
10616         * fileread.cc (File_read::make_view): Assert on zero-length view.
10617         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10618         symbol table when there are no symbols to read.
10619
10620 2008-06-23  Craig Silverstein  <csilvers@google.com>
10621
10622         * version.cc (version_string): Bump to 1.7
10623
10624 2008-06-18  Craig Silverstein  <csilvers@google.com>
10625
10626         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10627         constant 0xFFFF to type Valtype.
10628         (Powerpc_relocate_functions::rel16_ha): Likewise.
10629
10630 2008-06-17  Ian Lance Taylor  <iant@google.com>
10631
10632         * output.h (Output_section::Input_section): Initialize p2align_ to
10633         zero for Output_section_data constructors.
10634         (Output_section::Input_section::addralign): If not an input
10635         section, return the alignment of the Output_section_data.
10636         * testsuite/copy_test.cc: New file.
10637         * testsuite/copy_test_1.cc: New file.
10638         * testsuite/copy_test_2.cc: New file.
10639         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10640         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10641         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10642         (copy_test_1_pic.o, copy_test_1.so): New targets.
10643         (copy_test_2_pic.o, copy_test_2.so): New targets.
10644         * testsuite/Makefile.in: Rebuild.
10645
10646         * script-sections.cc (Script_sections::place_orphan): Initialize
10647         local variable exact.
10648
10649 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10650
10651         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10652
10653 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10654             David S. Miller  <davem@davemloft.net>
10655
10656         * powerpc.cc: New file.
10657         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10658         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10659         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10660         * Makefile.in: Rebuild.
10661
10662 2008-06-09  Ian Lance Taylor  <iant@google.com>
10663
10664         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10665         <exception>.
10666         (throwing, orig_terminate): New static variables.
10667         (terminate_handler): New static function.
10668         (t2): Set terminate handler.
10669
10670 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10671
10672         PR 6584
10673         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10674         alignment.
10675
10676 2008-05-30  Cary Coutant  <ccoutant@google.com>
10677
10678         * archive.cc (Archive::include_all_members) Correct to step
10679         over symbol table and extended name table in thin archives.
10680
10681 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10682
10683         PR 6407
10684         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10685         calculation.
10686
10687 2008-05-28  Caleb Howe  <cshowe@google.com>
10688
10689         * reduced_debug_output.cc: New file.
10690         * reduced_debug_output.h: New file.
10691         * options.h (class General_options): Add --strip-debug-non-line.
10692         * options.cc (General_options::finalize): Add strip_debug_non_line
10693         to the strip heirarchy.
10694         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10695         fields.
10696         * layout.cc: Include "reduced_debug_output.h".
10697         (Layout::Layout): Initialize new fields.
10698         (line_only_debug_sections): New static array.
10699         (is_lines_only_debug_sections): New static inline function.
10700         (Layout::include_section): Handle --strip-debug-non-line.
10701         (Layout::make_output_section): If --strip-debug-non-line, build
10702         new output sections for .debug_abbrev and .debug_info.
10703         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10704         gold.  Warn about possible overflow.
10705         (read_signed_LEB_128): Likewise.
10706         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10707         (read_signed_LEB_128): Declare.
10708         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10709         (HFILES): Add reduced_debug_output.h.
10710         * Makefile.in: Rebuild.
10711
10712 2008-05-21  Ian Lance Taylor  <iant@google.com>
10713
10714         * mapfile.cc: New file.
10715         * mapfile.h: New file.
10716         * options.h (class General_options): Add -M/--print-map and -Map.
10717         * options.cc (General_options::finalize): Make -M equivalent to
10718         -Map -.
10719         * main.cc: Include <cstdio> and "mapfile.h".
10720         (main): Open mapfile if requested.
10721         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10722         constructor.  Change caller.
10723         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10724         (queue_middle_tasks): Likewise.
10725         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10726         declarations.
10727         * archive.cc: Include "mapfile.h".
10728         (Archive::add_symbols): Add mapfile parameter.  Change all
10729         callers.  Pass mapfile, symbol, and reason to include_member.
10730         (Archive::include_all_members): Add mapfile parameter.  Change all
10731         callers.
10732         (Archive::include_member): Add mapfile, sym, and why parameters.
10733         Change all callers.  Report inclusion to map file.
10734         * archive.h: Include "fileread.h".
10735         (class Archive): Update declarations.
10736         (Archive::file): New const method.
10737         (class Add_archive_symbols): Add mapfile_ field.  Update
10738         constructor.  Change all callers.
10739         * readsyms.h (class Read_symbols): Likewise.
10740         (class Finish_group): Likewise.
10741         (class Read_script): Likewise.
10742         * common.cc: Include "mapfile.h".
10743         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10744         all callers.
10745         (Symbol_table::do_allocate_commons): Likewise.
10746         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10747         symbol allocation to mapfile.
10748         * common.h (class Allocate_commons_task): Add mapfile_ field.
10749         Update constructor.  Change all callers.
10750         * symtab.h (class Symbol_table): Update declarations.
10751         * layout.cc: Include "mapfile.h".
10752         (Layout_task_runner::run): Print information to mapfile.
10753         (Layout::create_gold_note): Change Output_data_fixed_space to
10754         Output_data_zero_fill.
10755         (Layout::create_build_id): Likewise.
10756         (Layout::print_to_mapfile): New function.
10757         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10758         constructor.  Change caller.
10759         (class Layout): Declare print_to_mapfile.
10760         * output.cc (Output_section::Input_section::print_to_mapfile): New
10761         function.
10762         (Output_section::add_input_section): If producing a map, always
10763         add to input_sections_ list.
10764         (Output_section::do_print_to_mapfile): New function.
10765         (Output_segment::print_sections_to_mapfile): New function.
10766         (Output_segment::print_section_list_to_mapfile): New function.
10767         * output.h: Include "mapfile.h".
10768         (Output_data::print_to_mapfile): New function.
10769         (Output_data::do_print_to_mapfile): New virtual function.
10770         (Output_segment_headers::do_print_to_mapfile): New function.
10771         (Output_file_header::do_print_to_mapfile): New function.
10772         (Output_data_const::do_print_to_mapfile): New function.
10773         (class Output_data_const_buffer): Add map_name_ field.  Update
10774         constructor.  Change all callers.  Add do_print_to_mapfile
10775         function.
10776         (class Output_data_fixed_space): Likewise.
10777         (class Output_data_space): Likewise.
10778         (class Output_data_zero_fill): New class.
10779         (Output_data_strtab::do_print_to_mapfile): New function.
10780         (Output_data_reloc_base::do_print_to_mapfile): New function.
10781         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10782         (Output_data_group::do_print_to_mapfile): New function.
10783         (Output_data_got::do_print_to_mapfile): New function.
10784         (Output_data_dynamic::do_print_to_mapfile): New function.
10785         (Output_symtab_xindex::do_print_to_mapfile): New function.
10786         (class Output_section): Declare do_print_to_mapflie.  Declare
10787         print_to_mapfile in Input_section.
10788         (class Output_segment): Declare new functions.
10789         * object.h (Sized_relobj::symbol_count): New function.
10790         * script-sections.cc
10791         (Output_section_element_dot_assignment::set_section_addresses):
10792         Change Output_data_fixed_space to Output_data_zero_fill.
10793         (Output_data_expression::do_print_to_mapfile): New function.
10794         * script.cc (read_input_script): Add mapfile parameter.  Change
10795         all callers.
10796         * script.h (read_input_script): Update declaration.
10797         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10798         (Eh_frame::do_print_to_mapfile): New function.
10799         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10800         (Output_merge_string::do_print_to_mapfile): New function.
10801         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10802         function.
10803         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10804         function.
10805         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10806         function.
10807         * Makefile.am (CCFILES): Add mapfile.cc.
10808         (HFILES): Add mapfile.h.
10809         * Makefile.in: Rebuild.
10810
10811 2008-05-19  Ian Lance Taylor  <iant@google.com>
10812
10813         * options.h (class General_options): Add -z relro.
10814         * layout.cc (Layout::Layout): Initialize relro_segment_.
10815         (Layout::add_output_section_data): Return the output section.
10816         (Layout::make_output_section): Rcognize relro sections and mark
10817         them appropriately.
10818         (Layout::attach_allocated_section_to_segment): Put relro sections
10819         in a PT_GNU_RELRO segment.
10820         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10821         section as relro.
10822         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10823         PT_TLS segments.
10824         (Layout::linkonce_mapping): Map d.rel.ro.local to
10825         .data.rel.ro.local.
10826         (Layout::output_section_name): Us .data.rel.ro.local for any
10827         section which begins with that.
10828         * layout.h (class Layout): Update add_output_section_data
10829         declaration.  Add relro_segment_ field.
10830         * output.cc (Output_section::Output_section): Initialize is_relro_
10831         and is_relro_local_ fields.
10832         (Output_segment::add_output_section): Group relro sections.
10833         (Output_segment::is_first_section_relro): New function.
10834         (Output_segment::maximum_alignment): If there is a relro section,
10835         align the segment to the common page size.
10836         (Output_segment::set_section_addresses): Track whether we are
10837         looking at relro sections.  If the last section is a relro
10838         section, align to the common page size.
10839         (Output_segment::set_section_list_addresses): Add in_relro
10840         parameter.  Change all callers.  Align to the page size when
10841         moving from relro to non-relro section.
10842         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10843         segment.
10844         * output.h (class Output_section): Add is_relro_ and
10845         is_relro_local_ fields.
10846         (Output_section::is_relro): New function.
10847         (Output_section::set_is_relro): New function.
10848         (Output_section::is_relro_local): New function.
10849         (Output_section::set_is_relro_local): New function.
10850         (class Output_segment): Update declarations.
10851         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10852         * sparc.cc (Target_sparc::got_section): Likewise.
10853         * x86_64.cc (Target_x86_64::got_section): Likewise.
10854         * testsuite/relro_test_main.cc: New file.
10855         * testsuite/relro_test.cc: New file.
10856         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10857         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10858         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10859         (relro_test.so, relro_test_pic.o): New targets.
10860         * testsuite/Makefile.in: Rebuild.
10861
10862 2008-05-16  Ian Lance Taylor  <iant@google.com>
10863
10864         * output.cc (Output_segment::add_output_section): Remove front
10865         parameter.
10866         * output.h (class Output_segment): Remove
10867         add_initial_output_section and overloaded add_output_section.
10868         Update declaration of remaining add_output_section.
10869         * layout.cc (Layout::create_interp): Call add_output_section
10870         rather than add_initial_output_section.
10871         (Layout::finish_dynamic_section): Likewise.
10872
10873         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10874         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10875         know the dynamic type.
10876         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10877         field.  Initialize it in constructor.
10878         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10879         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10880         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10881         reloc.
10882
10883         * output.cc (Output_reloc::get_address): Change return type to
10884         Elf_Addr.
10885         * output.h (class Output_reloc): Update get_address declaration.
10886         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10887         for section addresses.
10888
10889 2008-05-09  Ian Lance Taylor  <iant@google.com>
10890
10891         PR 6493
10892         * gold.cc (gold_nomem): Use return value of write.
10893
10894 2008-05-08  Ian Lance Taylor  <iant@google.com>
10895
10896         * symtab.c (Symbol::init_base_output_data): Add version
10897         parameter.  Change all callers.
10898         (Symbol::init_base_output_segment): Likewise.
10899         (Symbol::init_base_constant): Likewise.
10900         (Symbol::init_base_undefined): Likewise.
10901         (Sized_symbol::init_output_data): Likewise.
10902         (Sized_symbol::init_output_segment): Likewise.
10903         (Sized_symbol::init_constant): Likewise.
10904         (Sized_symbol::init_undefined): Likewise.
10905         (Symbol_table::do_define_in_output_data): If the new symbol has a
10906         version, mark it as the default.
10907         (Symbol_table::do_define_in_output_segment): Likewise.
10908         (Symbol_table::do_define_as_constant): Likewise.
10909         * symtab.h (class Symbol): Update declarations.
10910         (class Sized_symbol): Likewise.
10911         * resolve.cc (Symbol::override_version): New function.
10912         (Symbol::override_base): Call override_version.
10913         (Symbol::override_base_with_special): Likewise.
10914         * testsuite/ver_script_8.script: New file.
10915         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10916         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10917         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10918         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10919
10920 2008-05-06  Ian Lance Taylor  <iant@google.com>
10921
10922         PR 6049
10923         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10924         functions.
10925         (class General_options): Remove existing --undefined, and add
10926         --no-undefined instead.  Add new --undefined as synonym for -u.
10927         * archive.cc (Archive::add_symbols): Check whether symbol was
10928         named with -u.
10929         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10930         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10931         all uses.  Add IS_UNDEFINED.  Update declarations to split
10932         different versions of init_base.  Declare init_base_undefined.
10933         (Symbol::is_defined): Handle IS_UNDEFINED.
10934         (Symbol::is_undefined): Likewise.
10935         (Symbol::is_weak_undefined): Call is_undefined.
10936         (Symbol::is_absolute): Handle IS_CONSTANT.
10937         (class Sized_symbol): Update declarations to split different
10938         versions of init.  Declare init_undefined.
10939         (class Symbol_table): Declare new functions.
10940         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10941         Change all callers.
10942         (Symbol::init_base_output_data): Likewise.
10943         (Symbol::init_base_output_segment): Likewise.
10944         (Symbol::init_base_constant): Likewise.
10945         (Symbol::init_base_undefined): New function.
10946         (Sized_symbol::init_object): Rename from init.  Change all
10947         callers.
10948         (Sized_symbol::init_output_data): Likewise.
10949         (Sized_symbol::init_output_segment): Likewise.
10950         (Sized_symbol::init_constant): Likewise.
10951         (Sized_symbol::init_undefined): New function.
10952         (Symbol_table::add_undefined_symbols_from_command_line): New
10953         function.
10954         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10955         function.
10956         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10957         (Symbol::output_section): Likewise.
10958         (Symbol::set_output_section): Likewise.
10959         (Symbol_table::sized_finalize_symbol): Likewise.
10960         (Symbol_table::sized_write_globals): Likewise.
10961         * resolve.cc (Symbol_table::should_override): Likewise.
10962         (Symbol::override_base_with_special): Likewise.
10963
10964         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10965         symbol, change it to have default visibility.
10966         * testsuite/protected_1.cc: New file.
10967         * testsuite/protected_2.cc: New file.
10968         * testsuite/protected_3.cc: New file.
10969         * testsuite/protected_main_1.cc: New file.
10970         * testsuite/protected_main_2.cc: New file.
10971         * testsuite/protected_main_3.cc: New file.
10972         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10973         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10974         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10975         (protected_1.so): New target.
10976         (protected_1_pic.o, protected_2_pic.o): New targets.
10977         (protected_3_pic.o): New target.
10978         (check_PROGRAMS): Add protected_2.
10979         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10980         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10981         * testsuite/Makefile.in: Rebuild.
10982
10983         * options.h (DEFINE_var): Add set_user_set_##varname__.
10984         (DEFINE_bool_alias): New macro.
10985         (class General_options): Define -Bstatic using DEFINE_bool_alias
10986         rather than DEFINE_special.  Add --undefined as an alias for -z
10987         defs.
10988         * options.cc (General_options::parse_Bstatic): Remove.
10989
10990         * options.h (class General_options): Add --fatal-warnings.
10991         * main.cc (main): Implement --fatal-warnings.
10992         * errors.h (Errors::warning_count): New function.
10993
10994         * options.h (class General_options): Add -Bsymbolic-functions.
10995         * symtab.h (Symbol::is_preemptible): Check for
10996         -Bsymbolic-functions.
10997
10998 2008-05-05  Ian Lance Taylor  <iant@google.com>
10999
11000         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11001         as noVARNAME rather than no-VARNAME.
11002         (class General_options): Add option -z combreloc.
11003         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11004         get_address.
11005         (Output_reloc::sort_before) [SHT_REL]: New function.
11006         (Output_reloc::sort_before) [SHT_RELA]: New function.
11007         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11008         Sort_relocs_comparison.
11009         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11010         parameter.  Change all callers.
11011         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11012         sort_relocs parameter.  Change all callers.
11013         * output.cc (Output_reloc::get_address): New function, broken out
11014         of write_rel.
11015         (Output_reloc::write_rel): Call it.
11016         (Output_reloc::compare): New function.
11017         (Output_data_reloc_base::do_write): Optionally sort relocs.
11018
11019         * configure.ac: If targ_extra_obj is set, link it in.
11020         * configure.tgt: Initialize all variables.
11021         (x86_64*): Set targ_extra_obj and targ_extra_size.
11022         * configure: Rebuild.
11023
11024         * object.cc (Sized_relobj::include_section_group): Adjust section
11025         indexes read from group data.  Build vector to pass to
11026         layout_group.
11027         * layout.cc (Layout::layout_group): Add flags and shndxes
11028         parameters.  Remove contents parameter.  Change caller.  Update
11029         explicit instantiations.
11030         * layout.h (class Layout): Update layout_group declaration.
11031         * output.cc (Output_data_group::Output_data_group): Add flags and
11032         input_shndxes parameters.  Remove contents parameter.  Change
11033         caller.
11034         (Output_data_group::do_write): Change input_sections_ to
11035         input_shndxes_.
11036         * output.h (class Output_data_group): Update constructor
11037         declaration.  Rename input_sections_ to input_shndxes_.
11038         * testsuite/many_sections_test.cc: Add template.
11039
11040 2008-04-30  Cary Coutant  <ccoutant@google.com>
11041
11042         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11043
11044         * layout.cc (Layout::include_section): Refactored check for debug
11045         info section.
11046         (Layout::add_comdat): Add new parameters.  Change type
11047         of signature parameter.  Add object and shndx to signatures table.
11048         (Layout::find_kept_object): New function.
11049         * layout.h: Include <cstring>.
11050         (Layout::is_debug_info_section): New function.
11051         (Layout::add_comdat): Add new parameters.
11052         (Layout::find_kept_object): New function.
11053         (Layout::Kept_section): New struct.
11054         (Layout::Signatures): Change type of map range.
11055         * object.cc (Relobj::output_section_address): New function.
11056         (Sized_relobj::include_section_group): Add new parameters.  Change
11057         calls to Layout::add_comdat.  Change to build table of kept comdat
11058         groups and table mapping discarded sections to kept sections.
11059         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11060         (Sized_relobj::do_layout): Change calls to include_section_group and
11061         include_linkonce_section.
11062         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11063         value to zero when section is discarded.
11064         (Sized_relobj::map_to_kept_section): New function.
11065         * object.h (Relobj::output_section_address): New function.
11066         (Relobj::Comdat_group): New type.
11067         (Relobj::find_comdat_group): New function.
11068         (Relobj::Comdat_group_table): New type.
11069         (Relobj::Kept_comdat_section): New type.
11070         (Relobj::Kept_comdat_section_table): New type.
11071         (Relobj::add_comdat_group): New function.
11072         (Relobj::set_kept_comdat_section): New function.
11073         (Relobj::get_kept_comdat_section): New function.
11074         (Relobj::comdat_groups_): New field.
11075         (Relobj::kept_comdat_sections_): New field.
11076         (Symbol_value::input_value): Update comment.
11077         (Sized_relobj::map_to_kept_section) New function.
11078         (Sized_relobj::include_linkonce_section): Add new parameter.
11079         * target-reloc.h (Comdat_behavior): New type.
11080         (get_comdat_behavior): New function.
11081         (relocate_section): Add code to map a discarded section to the
11082         corresponding kept section when applying a relocation.
11083
11084 2008-04-30  Craig Silverstein  <csilvers@google.com>
11085
11086         * dwarf_reader.cc (next_generation_count): New static var.
11087         (Addr2line_cache_entry): New struct.
11088         (addr2line_cache): New static var.
11089         (Dwarf_line_info::one_addr2line): Added caching.
11090         (Dwarf_line_info::clear_addr2line_cache): New function.
11091         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11092         cache-size parameter.
11093         (Dwarf_line_info::one_addr2line_cache): New function.
11094         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11095         new cache-size argument to one_addr2line(), and clear cache.
11096
11097 2008-04-28  Cary Coutant  <ccoutant@google.com>
11098
11099         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11100         R_386_PC8 relocations.
11101
11102 2008-04-23  Ian Lance Taylor  <iant@google.com>
11103
11104         * object.cc (Sized_relobj::include_section_group): Check for
11105         invalid section group.
11106
11107         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11108         header size.
11109
11110         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11111         than read for file header.
11112         * archive.cc (Archive::include_member): Likewise.
11113
11114 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11115
11116         * aclocal.m4: Regenerate.
11117         * configure: Regenerate.
11118
11119 2008-04-19  Ian Lance Taylor  <iant@google.com>
11120
11121         * version.cc (version_string): Bump to 1.6.
11122
11123         * testsuite/Makefile.am (many_sections_r_test): New target.
11124         (many_sections_r_test_SOURCES): Remove.
11125         (many_sections_r_test_DEPENDENCIES): Remove.
11126         (many_sections_r_test_LDFLAGS): Remove.
11127         (many_sections_r_test_LDADD): Remove.
11128
11129         * object.cc (Sized_relobj::do_add_symbols): Always pass
11130         local_symbol_count_ to add_from_relobj.
11131
11132         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11133         every thousand variables.
11134         * testsuite/Makefile.in: Rebuild.
11135
11136         * object.cc (Xindex::initialize_symtab_xindex): New function.
11137         (Xindex::read_symtab_xindex): New function.
11138         (Xindex::sym_xindex_to_shndx): New function.
11139         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11140         available.
11141         (Sized_relobj::do_initialize_xindex): New function.
11142         (Sized_relobj::do_read_symbols): Adjust section links.
11143         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11144         parameter.  Change all callers.
11145         (Sized_relobj::include_section_group): Adjust section links and
11146         symbol section indexes.
11147         (Sized_relobj::do_layout): Adjust section links.
11148         (Sized_relobj::do_count_local_symbols): Adjust section links and
11149         symbol section indexes.
11150         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11151         ordinary and special symbols.
11152         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11153         dynsym_xindex parameters.  Change all callers.  Adjust section
11154         links.  Use SHN_XINDEX when needed.
11155         (Sized_relobj::get_symbol_location_info): Adjust section links.
11156         Don't get fooled by special symbols.
11157         * object.h (class Xindex): Define.
11158         (class Object): Add xindex_ parameter.  Declare virtual functoin
11159         do_initialize_xindex.
11160         (Object::adjust_sym_shndx): New function.
11161         (Object::set_xindex): New protected function.
11162         (class Symbol_value): Add is_ordinary_shndx_ field.
11163         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11164         (Symbol_value::value): Assert ordinary section.
11165         (Symbol_value::initialize_input_to_output_map): Likewise.
11166         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11167         Change all callers.
11168         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11169         all callers.
11170         (class Sized_relobj): Update declarations.
11171         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11172         parameter.  Change all callers.
11173         (Sized_relobj::adjust_shndx): New function.
11174         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11175         field.
11176         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11177         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11178         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11179         (Sized_dynobj::read_dynsym_section): Adjust section links.
11180         (Sized_dynobj::read_dynamic): Likewise.
11181         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11182         section links.
11183         (Sized_dynobj::do_initialize_xindex): New function.
11184         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11185         do_initialize_xindex.
11186         (Sized_dynobj::adjust_shndx): New function.
11187         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11188         dynsym_xindex_ fields.
11189         (Layout::finalize): Add a call to set_section_indexes before
11190         creating the symtab sections.
11191         (Layout::set_section_indexes): Don't do anything if the section
11192         already has a section index.
11193         (Layout::create_symtab_sections): Add shnum parameter.  Change
11194         caller.  Create .symtab_shndx section if needed.
11195         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11196         caller.
11197         (Layout::allocated_output_section_count): New function.
11198         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11199         needed.
11200         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11201         fields.  Update declarations.
11202         (Layout::symtab_xindex): New function.
11203         (Layout::dynsym_xindex): New function.
11204         (class Write_symbols_task): Add layout_ field.
11205         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11206         Change caller.
11207         * output.cc (Output_section_headers::Output_section_headers): Add
11208         shstrtab_section parameter.  Change all callers.
11209         (Output_section_headers::do_sized_write): Store overflow values
11210         for section count and section string table section index in
11211         section header zero.
11212         (Output_file_header::do_sized_write): Check for overflow of
11213         section count and section string table section index.
11214         (Output_symtab_xindex::do_write): New function.
11215         (Output_symtab_xindex::endian_do_write): New function.
11216         * output.h (class Output_section_headers): Add shstrtab_section_.
11217         Update declarations.
11218         (class Output_symtab_xindex): Define.
11219         (Output_section::has_out_shndx): New function.
11220         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11221         field.
11222         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11223         Change all callers.
11224         (Sized_symbol::init): Likewise.
11225         (Symbol::output_section): Check for ordinary symbol.
11226         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11227         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11228         callers.
11229         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11230         Change all callers.  Simplify handling of symbols from sections
11231         not included in the link.
11232         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11233         distinction.
11234         (Weak_alias_sorter::operator()): Assert that symbols are
11235         ordinary.
11236         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11237         distinction.
11238         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11239         parameters.  Change all callers.
11240         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11241         symbol distinction.  Use SHN_XINDEX when needed.
11242         (Symbol_table::write_section_symbol): Add symtab_xindex
11243         parameter.  Change all callers.
11244         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11245         SHN_XINDEX when needed.
11246         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11247         declarations.
11248         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11249         (Symbol::is_defined): Check is_ordinary.
11250         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11251         (Symbol::is_absolute, Symbol::is_common): Likewise.
11252         (class Sized_symbol): Update declarations.
11253         (class Symbol_table): Update declarations.
11254         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11255         parameters.  Change all callers.
11256         (Sized_symbol::override): Likewise.
11257         (Symbol_table::override): Likewise.
11258         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11259         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11260         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11261         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11262         to be in an ordinary section.
11263         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11264         object and is_ordinary parameters.  Change all callers.
11265         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11266         Change all callers.  Don't add undefined or non-ordinary symbols
11267         to reloc_map_.
11268         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11269         Change all callers.
11270         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11271         declarations.
11272         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11273         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11274         (Sized_relobj::relocate_sections): Likewise.
11275         * target-reloc.h (scan_relocs): Adjust section symbol index.
11276         (scan_relocatable_relocs): Likewise.
11277         * i386.cc (Scan::local): Check for ordinary symbols.
11278         * sparc.cc (Scan::local): Likewise.
11279         * x86_64.cc (Scan::local): Likewise.
11280         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11281         to symbol_section_and_value.
11282         * testsuite/many_sections_test.cc: New file.
11283         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11284         (check_PROGRAMS): Add many_sections_test.
11285         (many_sections_test_SOURCES): Define.
11286         (many_sections_test_DEPENDENCIES): Define.
11287         (many_sections_test_LDFLAGS): Define.
11288         (BUILT_SOURCES): Add many_sections_define.h.
11289         (many_sections_define.h): New target.
11290         (BUILT_SOURCES): Add many_sections_check.h.
11291         (many_sections_check.h): New target.
11292         (check_PROGRAMS): Add many_sections_r_test.
11293         (many_sections_r_test_SOURCES): Define.
11294         (many_sections_r_test_DEPENDENCIES): Define.
11295         (many_sections_r_test_LDFLAGS): Define.
11296         (many_sections_r_test_LDADD): Define.
11297         (many_sections_r_test.o): New target.
11298         * testsuite/Makefile.in: Rebuild.
11299
11300 2008-04-17  Cary Coutant  <ccoutant@google.com>
11301
11302         * errors.cc (Errors::info): New function.
11303         (gold_info): New function.
11304         * errors.h (Errors::info): New function.
11305         * gold.h (gold_info): New function.
11306         * object.cc (Input_objects::add_object): Print trace output.
11307         * options.cc (options::parse_set): New function.
11308         (General_options::parse_wrap): Deleted.
11309         (General_options::General_options): Deleted initializer.
11310         * options.h (options::String_set): New typedef.
11311         (options::parse_set): New function.
11312         (DEFINE_set): New macro.
11313         (General_options::wrap): Changed to use DEFINE_set. Changed
11314         callers of any_wrap_symbols and is_wrap_symbol.
11315         (General_options::trace, General_options::trace_symbol):
11316         New options.
11317         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11318         (General_options::wrap_symbols_): Deleted.
11319         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11320
11321 2008-04-17  David S. Miller  <davem@davemloft.net>
11322
11323         * options.cc (General_options::parse_V): New function.
11324         * options.h: Add entries for -V and -Qy.
11325
11326 2008-04-17  Ian Lance Taylor  <iant@google.com>
11327
11328         * common.cc (Symbol_table::allocate_commons): Remove options
11329         parameter.  Change caller.
11330         (Symbol_table::do_allocate_commons): Remove options parameter.
11331         Change caller.  Just call do_allocate_commons_list twice.
11332         (Symbol_table::do_allocate_commons_list): New function, broken out
11333         of do_allocate_commons.
11334         * common.h (class Allocate_commons_task): Remove options_ field.
11335         Update constructor.
11336         * symtab.cc (Symbol_table::Symbol_table): Initialize
11337         tls_commons_.
11338         (Symbol_table::add_from_object): Put TLS common symbols on
11339         tls_commons_ list.
11340         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11341         which are IN_OUTPUT_DATA.
11342         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11343         allocate_commons and do_allocate_commons declarations.  Declare
11344         do_allocate_commons_list.
11345         * gold.cc (queue_middle_tasks): Update creation of
11346         Allocate_commons_task to not pass options.
11347         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11348         (TLS_TEST_C_FLAGS): New variable.
11349         (tls_test_c_pic.o): New target.
11350         (tls_test_shared.so): Link in tls_test_c_pic.o.
11351         (tls_test_c_pic_ie.o): New target.
11352         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11353         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11354         (tls_test_c.o): New target.
11355         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11356         (tls_pic_test_LDADD): Likewise.
11357         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11358         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11359         (tls_test_c_gnu2.o): New target.
11360         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11361         tls_test_c_gnu2.o.
11362         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11363         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11364         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11365         * testsuite/tls_test.cc: Include "config.h".
11366         (t_last): Call t11_last.
11367         * testsuite/tls_test.h (t11, t11_last): Declare.
11368         * testsuite/tls_test_c.c: New file.
11369         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11370         * configure.ac: Check for OpenMP support.
11371         * configure, config.in, Makefile.in: Rebuild.
11372         * testsuite/Makefile.in: Rebuild.
11373
11374 2008-04-16  Cary Coutant  <ccoutant@google.com>
11375
11376         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11377         (Target_i386::tls_base_symbol_defined_): New field.
11378         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11379         (Target_i386::Scan::global): Likewise.
11380         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11381         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11382         (Target_x86_64::tls_base_symbol_defined_): New field.
11383         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11384         (Target_x86_64::Scan::global): Likewise.
11385
11386 2008-04-16  Cary Coutant  <ccoutant@google.com>
11387
11388         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11389         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11390         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11391         building shared libraries.
11392         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11393         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11394         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11395         * testsuite/Makefile.in: Rebuild.
11396         * testsuite/weak_undef.h: New file.
11397         * testsuite/weak_undef_file1.cc: Add extra test cases.
11398         * testsuite/weak_undef_file2.cc: Likewise.
11399         * testsuite/weak_undef_test.cc: Likewise.
11400
11401 2008-04-16  David S. Miller  <davem@davemloft.net>
11402
11403         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11404         Add issued_non_pic_error_ field.  Declare check_non_pic.
11405         (Target_sparc::Scan::check_non_pic): New function.
11406         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11407         (Target_sparc::Scan::global): Likewise.
11408
11409         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11410         * configure: Rebuild.
11411
11412         * options.h (DEFINE_enable): New macro.
11413         (new_dtags): New enable option.
11414         (initfirst, interpose, loadfltr, nodefaultlib,
11415         nodelete, nodlopen, nodump): New -z options.
11416         * layout.cc (Layout:finish_dynamic_section): If new
11417         dtags enabled, emit DT_RUNPATH.  Also, emit a
11418         DT_FLAGS_1 containing any specified -z flags.
11419
11420 2008-04-16  Ian Lance Taylor  <iant@google.com>
11421
11422         * copy-relocs.cc: New file.
11423         * copy-relocs.h: New file.
11424         * reloc.cc: Remove Copy_relocs code.
11425         * reloc.h: Likewise.
11426         * reloc-types.h (struct Reloc_types) [both versions]: Add
11427         get_reloc_addend_noerror.
11428         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11429         variants of add_global which take an addend which must be zero.
11430         * i386.cc: Include "copy-relocs.h".
11431         (class Target_i386): Change type of copy_relocs_ to variable,
11432         update initializer.
11433         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11434         Change all callers.
11435         (Target_i386::do_finalize_sections): Change handling of
11436         copy_relocs_.
11437         * sparc.cc: Include "copy-relocs.h".
11438         (class Target_sparc): Change type of copy_relocs_ to variable,
11439         update initializer.
11440         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11441         Change all callers.
11442         (Target_sparc::do_finalize_sections): Change handling of
11443         copy_relocs_.
11444         * x86_64.cc: Include "copy-relocs.h".
11445         (class Target_x86_64): Change type of copy_relocs_ to variable,
11446         update initializer.
11447         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11448         class.  Change all callers.
11449         (Target_x86_64::do_finalize_sections): Change handling of
11450         copy_relocs_.
11451         * Makefile.am (CCFILES): Add copy-relocs.cc.
11452         (HFILES): Add copy-relocs.h.
11453
11454         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11455
11456         * testsuite/script_test_4.sh: Permit leading zeroes.
11457
11458 2008-04-15  Ian Lance Taylor  <iant@google.com>
11459
11460         * script-sections.cc (Script_sections::create_segments): Use
11461         header_size_adjustment even when there is enough room for the
11462         headers.
11463         * testsuite/script_test_4.sh: New file.
11464         * testsuite/script_test_4.t: New file.
11465         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11466         (check_DATA): Add script_test_4.stdout.
11467         (MOSTLYCLEANFILES): Likewise.
11468         (script_test_4): New target.
11469         (script_test_4.stdout): New target.
11470         * testsuite/Makefile.in: Rebuild.
11471
11472         * sparc.cc: Add definitions for Output_data_plt_sparc class
11473         constants.
11474
11475 2008-04-14  David S. Miller  <davem@davemloft.net>
11476
11477         * sparc.cc: New file.
11478         * Makefile.am (TARGETSOURCES): Add sparc.cc
11479         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11480         * configure.tgt: Document targ_extra_size and
11481         targ_extra_big_endian.  Add entries for sparc-* and
11482         sparc64-*.
11483         * configure.ac: Handle targ_extra_size and
11484         targ_extra_big_endian.
11485         * Makefile.in: Rebuild.
11486         * configure: Likewise.
11487         * po/POTFILES.in: Likewise.
11488         * po/gold.pot: Likewise.
11489
11490 2008-04-14  Ian Lance Taylor  <iant@google.com>
11491
11492         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11493         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11494         in the name/type/flags to section mapping.  Don't call
11495         allocate_output_section.
11496         (Layout::choose_output_section): Change parameter from adjust_name
11497         to is_input_section.  Don't permit input sections after sections
11498         are attached to segments.  Don't call allocate_output_section.
11499         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11500         not write_enable_output_section.
11501         (Layout::make_output_section): Don't push to
11502         unattached_section_list_ nor call attach_to_segment.  Call
11503         attach_section_to_segment if sections are attached.
11504         (Layout::attach_sections_to_segments): New function.
11505         (Layout::attach_section_to_segment): New function.
11506         (Layout::attach_allocated_section_to_segment): Rename from
11507         attach_to_segment.  Remove flags parameter.
11508         (Layout::allocate_output_section): Remove function.
11509         (Layout::write_enable_output_section): Remove function.
11510         * layout.h (class Layout): Update for above changes.  Add new
11511         field sections_are_attached_.
11512         * output.h (Output_section::update_flags_for_input_section): New
11513         function.
11514         * output.cc (Output_section::add_input_section): Call
11515         update_flags_for_input_section.
11516         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11517
11518 2008-04-11  Cary Coutant  <ccoutant@google.com>
11519
11520         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11521         thought unnecessary.
11522         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11523
11524 2008-04-11  Ian Lance Taylor  <iant@google.com>
11525
11526         * output.h (class Output_section_data): Remove inline definition
11527         of set_addralign.
11528         * output.cc (Output_section_data::set_addralign): New function.
11529
11530 2008-04-11  Cary Coutant  <ccoutant@google.com>
11531
11532         Add support for TLS descriptors for i386 and x86_64.
11533         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11534         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11535         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11536         GOT_TYPE_TLS_DESC.
11537         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11538         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11539         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11540         relocations.
11541         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11542         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11543         Fix problem with initial-exec relocations.
11544         (Target_i386::Relocate::relocate_tls): Likewise.
11545         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11546         relaxation.
11547         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11548         support for section-plus-offset dynamic table entries.
11549         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11550         (Output_data_dynamic::Dynamic_entry): Add support for
11551         section-plus-offset dynamic table entries.
11552         (Output_data_dynamic::Classification): Likewise.
11553         (Output_data_dynamic::classification_): Renamed offset_.
11554         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11555         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11556         (Target_x86_64::make_plt_section): New function.
11557         (Target_x86_64::reserve_tlsdesc_entries): New function.
11558         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11559         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11560         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11561         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11562         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11563         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11564         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11565         add extra PLT entry for TLS descriptors.
11566         (Output_data_plt_x86_64::got_): New field.
11567         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11568         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11569         fields.
11570         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11571         descriptors.
11572         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11573         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11574         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11575         R_386_TLS_DESC_CALL relocations.
11576         (Target_x86_64::Scan::global): Likewise.
11577         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11578         for TLS descriptors.
11579         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11580         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11581         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11582         GD-to-IE relaxation.
11583         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11584         and TLS_DESCRIPTORS.
11585         * Makefile.in: Rebuild.
11586         * configure: Rebuild.
11587         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11588         (tls_test_shared2.so): New target.
11589         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11590         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11591         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11592         (tls_shared_gd_to_ie_test_LDADD): New variable.
11593         (tls_shared_gnu2_gd_to_ie_test): New target.
11594         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11595         New targets.
11596         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11597         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11598         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11599         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11600         (tls_shared_gnu2_test): New target.
11601         (tls_test_gnu2_shared.so): New target.
11602         (tls_shared_gnu2_test_SOURCES): New variable.
11603         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11604         (tls_shared_gnu2_test_LDFLAGS): New variable.
11605         (tls_shared_gnu2_test_LDADD): New variable.
11606         * testsuite/Makefile.in: Rebuild.
11607         * testsuite/Makefile.
11608
11609 2008-04-11  Ian Lance Taylor  <iant@google.com>
11610
11611         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11612         justsyms.t.
11613         * testsuite/Makefile.in: Rebuild.
11614
11615         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11616         long.
11617         * testsuite/script_test_2.cc (main): Adjust test.
11618
11619 2008-04-11  David S. Miller  <davem@davemloft.net>
11620             Ian Lance Taylor  <iant@google.com>
11621
11622         * options.h (General_options): Add entries for '-Y' and
11623         '-relax'.
11624         * options.cc (General_options:finalize): If -Y was used, add those
11625         entries to the library path instead of the default "/lib" and
11626         "/usr/lib".
11627
11628 2008-04-11  David S. Miller  <davem@davemloft.net>
11629
11630         * testsuite/justsyms.t: Start at 0x100.
11631         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11632         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11633         long.
11634         * testsuite/script_test_2.cc: Adjust string and section length
11635         checks.
11636
11637 2008-04-09  Ian Lance Taylor  <iant@google.com>
11638
11639         PR gold/5996
11640         * script-sections.cc (Sections_element::allocate_to_segment): Add
11641         orphan parameter.
11642         (Output_section_definition::allocate_to_segment): Likewise.
11643         (Orphan_output_section::allocate_to_segment): Likewise.
11644         (Script_sections::attach_sections_using_phdrs_clause): Don't
11645         propagate non-PT_LOAD segments to orphan sections.
11646         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11647         readelf rather than objdump.
11648         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11649         .interp section and PT_INTERP segment are the same size.
11650         * testsuite/Makefile.in: Rebuild.
11651
11652         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11653         aliases for symbols defined in the same object.
11654         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11655         (weak_alias_test_SOURCES): New variable.
11656         (weak_alias_test_DEPENDENCIES): New variable.
11657         (weak_alias_test_LDFLAGS): New variable.
11658         (weak_alias_test_LDADD): New variable.
11659         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11660         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11661         (weak_alias_test_3.o): New target.
11662         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11663         * testsuite/weak_alias_test_main.cc: New file.
11664         * testsuite/weak_alias_test_1.cc: New file.
11665         * testsuite/weak_alias_test_2.cc: New file.
11666         * testsuite/weak_alias_test_3.cc: New file.
11667
11668 2008-04-08  Ian Lance Taylor  <iant@google.com>
11669
11670         * options.h (class General_options): Add --noinhibit-exec option.
11671         * main.cc (main): Check --noinhibit-exec.
11672
11673         * options.h (class General_options): Define --wrap as a special
11674         option.  Add wrap_symbols_ field.
11675         (General_options::any_wrap_symbols): New function.
11676         (General_options::is_wrap_symbol): New function.
11677         * options.cc (General_options::parse_wrap): New function.
11678         (General_options::General_options): Initialize wrap_symbols_.
11679         * symtab.cc (Symbol_table::wrap_symbol): New function.
11680         (Symbol_table::add_from_object): Handle --wrap.
11681         * symtab.h (class Symbol_table): Declare wrap_symbol.
11682         * target.h (Target::wrap_char): New function.
11683         (Target::Target_info): Add wrap_char field.
11684         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11685         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11686         * testsuite/testfile.cc (Target_test::test_target_info):
11687         Likewise.
11688
11689         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11690         there is one.
11691
11692         * layout.h (class Layout): Add added_eh_frame_data_ field.
11693         * layout.cc (Layout::Layout): Initialize new field.
11694         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11695         output section until we find a section we merged successfully.
11696         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11697         that the size be non-zero.
11698
11699         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11700         qualifier.
11701
11702 2008-04-08  Craig Silverstein  <csilvers@google.com>
11703
11704         * configure.ac: Export new conditional variable HAVE_ZLIB.
11705         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11706         on HAVE_ZLIB.
11707         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11708         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11709
11710 2008-04-07  Ian Lance Taylor  <iant@google.com>
11711
11712         * version.cc (version_string): Set to "1.5".
11713
11714         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11715         Add issued_non_pic_error_ field.  Declare check_non_pic.
11716         (Target_x86_64::Scan::check_non_pic): New function.
11717         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11718         (Target_x86_64::Scan::global): Likewise.
11719
11720         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11721         addend parameter.  Change caller.  Handle merge sections.
11722         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11723         Address to Addend.  Don't add in the result of
11724         local_section_offset, pass down the addend and use the returned
11725         value.
11726         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11727         Update declarations of local_section_offset and symbol_value.
11728         * testsuite/two_file_test_1.cc (t18): New function.
11729         * testsuite/two_file_test_2.cc (f18): New function.
11730         * testsuite/two_file_test_main.cc (main): Call t18.
11731         * testsuite/two_file_test.h (t18, f18): Declare.
11732
11733         * configure.ac: Don't test for objdump, c++filt, or readelf.
11734         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11735         conditionals.
11736         (TEST_READELF): New variable.
11737         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11738         (check_PROGRAMS): Add two_file_strip_test.
11739         (two_file_strip_test): New target.
11740         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11741         (two_file_same_shared_strip_test_SOURCES): New variable.
11742         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11743         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11744         (two_file_same_shared_strip_test_LDADD): New variable.
11745         (two_file_shared_strip.so): New target.
11746         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11747         (ver_test_5.syms, ver_test_7.syms): Likewise.
11748         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11749         (strip_test_3.stdout): Use TEST_OBJDUMP.
11750         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11751
11752 2008-04-04  Cary Coutant  <ccoutant@google.com>
11753
11754         * symtab.h (Symbol::is_weak_undefined): New function.
11755         (Symbol::is_strong_undefined): New function.
11756         (Symbol::is_absolute): New function.
11757         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11758         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11759         absolute symbols.
11760         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11761         (weak_undef_test): New target.
11762         * testsuite/Makefile.in: Rebuild.
11763         * testsuite/weak_undef_file1.cc: New file.
11764         * testsuite/weak_undef_file2.cc: New file.
11765         * testsuite/weak_undef_test.cc: New file.
11766
11767 2008-04-03  Craig Silverstein  <csilvers@google.com>
11768
11769         * compressed_output.h (class Output_compressed_section): Use
11770         unsigned buffer.
11771         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11772         add zlib header.
11773         (zlib_compressed_suffix): Removed.
11774         (Output_compressed_section::set_final_data_size): Use unsigned
11775         buffers.
11776         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11777         Fix linker invocation.
11778         (flagstest_o_specialfile_and_compress_debug_sections):
11779         Likewise.
11780         * testsuite/Makefile.in: Regenerated.
11781
11782 2008-04-02  David S. Miller  <davem@davemloft.net>
11783
11784         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11785         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11786
11787 2008-04-02  Craig Silverstein  <csilvers@google.com>
11788
11789         * TODO: New file.
11790
11791 2008-04-02  Ian Lance Taylor  <iant@google.com>
11792
11793         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11794         parameters.  Update for new key type to views_.  Change all
11795         callers.
11796         (File_read::read): Adjust for byteshift in returned view.
11797         (File_read::add_view): New function, broken out of
11798         find_and_make_view.
11799         (File_read::make_view): New function, broken out of
11800         find_and_make_view.
11801         (File_read::find_or_make_view): Add offset and aligned
11802         parameters.  Rewrite accordingly.  Change all callers.
11803         (File_read::get_view): Add offset and aligned parameters.  Adjust
11804         for byteshift in return value.
11805         (File_read::get_lasting_view): Likewise.
11806         * fileread.h (class File_read): Update declarations.
11807         (class File_read::View): Add byteshift_ field.  Add byteshift to
11808         constructor.  Add byteshift method.
11809         * archive.h (Archive::clear_uncached_views): New function.
11810         (Archive::get_view): Add aligned parameter.  Change all callers.
11811         * object.h (Object::get_view): Add aligned parameter.  Change all
11812         callers.
11813         (Object::get_lasting_view): Likewise.
11814
11815         * fileread.cc (File_read::release): Don't call clear_views if
11816         there are multiple objects.
11817         * fileread.h (File_read::clear_uncached_views): New function.
11818         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11819         on the archive.
11820
11821 2008-03-31  Cary Coutant  <ccoutant@google.com>
11822
11823         Add thin archive support.
11824         * archive.cc (Archive::armagt): New const.
11825         (Archive::setup): Remove task parameter and calls to unlock.
11826         (Archive::unlock_nested_archives): New function.
11827         (Archive::read_header): Add nested_off parameter. Change
11828         all callers.
11829         (Archive::interpret_header): Likewise.
11830         (Archive::include_all_members): Change to handle thin
11831         archives.
11832         (Archive::include_member): Likewise.
11833         * archive.h (Archive::Archive): Add new parameters and
11834         initializers.
11835         (Archive::armagt): New const.
11836         (Archive::setup): Remove task parameter.
11837         (Archive::unlock_nested_archives): New function.
11838         (Archive::read_header): Add nested_off parameter.
11839         (Archive::interpret_header): Likewise.
11840         (Archive::Nested_archive_table): New typedef.
11841         (Archive::is_thin_archive_): New field.
11842         (Archive::nested_archives_): New field.
11843         (Archive::options_): New field.
11844         (Archive::dirpath_): New field.
11845         (Archive::task_): New field.
11846         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11847         for thin archives.  Pass additional parameters to
11848         Archive::Archive.  Unlock the archive file after calling
11849         Archive::setup.
11850
11851 2008-03-29  Ian Lance Taylor  <iant@google.com>
11852
11853         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11854         version symbol to be local.
11855         * testsuite/ver_test_4.sh: New file.
11856         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11857         (check_DATA): Add ver_test_4.syms.
11858         (ver_test_4.syms): New target.
11859         * testsuite/Makefile.in: Rebuild.
11860
11861         * output.cc
11862         (Output_section::Input_section_sort_entry::has_priority): New
11863         function.
11864         (Output_section::Input_section_sort_entry::match_file_name): New
11865         function.
11866         (Output_section::Input_section_sort_entry::match_section_name):
11867         Remove.
11868         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11869         Remove.
11870         (Output_section::Input_section_sort_entry::match_section_file):
11871         Remove.
11872         (Output_section::Input_section_sort_compare::operator()): Rewrite
11873         using new Input_section_sort_entry functions.  Sort crtbegin and
11874         crtend first.  Sort sections with no priority before sections with
11875         a priority.
11876         * testsuite/initpri1.c (d3): Check j != 4.
11877         (cd5): New constructor/destructor function.
11878         (main): Check j != 2.
11879
11880         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11881         new symbol when resolving, don't call set_is_default.
11882         * testsuite/ver_test_7.cc: New file.
11883         * testsuite/ver_test_7.sh: New file.
11884         * testsuite/Makefile.am (ver_test_7.so): New target.
11885         (ver_test_7.o): New target.
11886         (check_SCRIPTS): Add ver_test_7.sh.
11887         (check_DATA): Add ver_test_7.syms.
11888         (ver_test_7.syms): New target.
11889
11890 2008-03-28  Ian Lance Taylor  <iant@google.com>
11891
11892         * layout.cc (Layout::layout): If we see an input section with a
11893         name that needs sorting, set the must_sort flag for the output
11894         section.
11895         (Layout::make_output_section): If the name of the output section
11896         indicates that it might require sorting, set the may_sort flag.
11897         * output.h (Output_section::may_sort_attached_input_sections): New
11898         function.
11899         (Output_section::set_may_sort_attached_input_sections): New
11900         function.
11901         (Output_section::must_sort_attached_input_sections): New
11902         function.
11903         (Output_section::set_must_sort_attached_input_sections): New
11904         function.
11905         (class Output_section): Declare Input_section_sort_entry.  Define
11906         Input_section_sort_compare.  Declare
11907         sort_attached_input_sections.  Add new fields:
11908         may_sort_attached_input_sections_,
11909         must_sort_attached_input_sections_,
11910         attached_input_sections_are_sorted_.
11911         * output.cc (Output_section::Output_section): Initialize new
11912         fields.
11913         (Output_section::add_input_section): Add an entry to
11914         input_sections_ if may_sort or must_sort are true.
11915         (Output_section::set_final_data_size): Call
11916         sort_attached_input_sections if necessary.
11917         (Output_section::Input_section_sort_entry): Define new class.
11918         (Output_section::Input_section_sort_compare::operator()): New
11919         function.
11920         (Output_section::sort_attached_input_sections): New function.
11921         * configure.ac: Check whether the compiler supports constructor
11922         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11923         * testsuite/initpri1.c: New file.
11924         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11925         CONSTRUCTOR_PRIORITY.
11926         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11927         (initpri1_LDFLAGS): New variable.
11928         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11929
11930 2008-03-27  Ian Lance Taylor  <iant@google.com>
11931
11932         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11933         * testsuite/common_test_1.c: New file.
11934         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11935         (common_test_1_SOURCES): New variable.
11936         (common_test_1_DEPENDENCIES): New variable.
11937         (common_test_1_LDFLAGS): New variable.
11938
11939         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11940         and commons_ correctly when NAME/VERSION does not override
11941         NAME/NULL.
11942         * testsuite/ver_test_6.c: New file.
11943         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11944         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11945         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11946
11947 2008-03-26  Ian Lance Taylor  <iant@google.com>
11948
11949         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11950         of an undefined symbol from a version script.
11951         * testsuite/Makefile.am (ver_test_5.so): New target.
11952         (ver_test_5.o): New target.
11953         (check_SCRIPTS): Add ver_test_5.sh.
11954         (check_DATA): Add ver_test_5.syms.
11955         (ver_test_5.syms): New target.
11956         * testsuite/ver_test_5.cc: New file.
11957         * testsuite/ver_test_5.script: New file.
11958         * testsuite/ver_test_5.sh: New file.
11959         * Makefile.in, testsuite/Makefile.in: Rebuild.
11960
11961         PR gold/5986
11962         Fix problems building gold with gcc 4.3.0.
11963         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11964         (gold_error_at_location, gold_warning_at_location): Use it.
11965         * configure.ac: Check whether we can compile and use a template
11966         function with a printf attribute.
11967         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11968         when jumping over bytes.
11969         * object.cc: Instantiate Object::read_section_data.
11970         * debug.h: Include <cstring>
11971         * dwarf_reader.cc: Include <algorithm>
11972         * main.cc: Include <cstring>.
11973         * options.cc: Include <cstring>.
11974         * output.cc: Include <cstring>.
11975         * script.cc: Include <cstring>.
11976         * script.h: Include <string>.
11977         * symtab.cc: Include <cstring> and <algorithm>.
11978         * target-select.cc: Include <cstring>.
11979         * version.cc: Include <string>.
11980         * testsuite/testmain.cc: Include <cstdlib>.
11981         * configure, config.in: Rebuild.
11982
11983 2008-03-25  Ian Lance Taylor  <iant@google.com>
11984
11985         * options.cc: Include "../bfd/bfdver.h".
11986         (options::help): Print bug reporting address.
11987
11988         * version.cc (print_version): Adjust output for current value of
11989         BFD_VERSION_STRING.
11990
11991         * NEWS: New file.
11992
11993         * options.cc (options::help): Print list of supported targets.
11994         * target-select.h: Include <vector>.
11995         (class Target_selector): Make machine_, size_, and is_big_endian_
11996         fields const.  Add bfd_name_ and instantiated_target_ fields.
11997         (Target_selector::Target_selector): Add bfd_name parameter.
11998         (Target_selector::recognize): Make non-virtual, call
11999         do_recognize.
12000         (Target_selector::recognize_by_name): Make non-virtual, call
12001         do_recognize_by_name.
12002         (Target_selector::supported_names): New function.
12003         (Target_selector::bfd_name): New function.
12004         (Target_selector::do_instantiate_target): New pure virtual
12005         function.
12006         (Target_selector::do_recognize): New virtual function.
12007         (Target_selector::do_recognize_by_name): New virtual function.
12008         (Target_selector::instantiate_target): New private function.
12009         (supported_target_names): Declare.
12010         * target-select.cc (Target_selector::Target_selector): Update for
12011         new parameter and fields.
12012         (select_target_by_name): Check that the name matches before
12013         calling recognize_by_name.
12014         (supported_target_names): New function.
12015         * i386.cc (class Target_selector_i386): Update Target_selector
12016         constructor call.  Remove recognize and recognize_by_name.  Add
12017         do_instantiate_target.
12018         * x86_64.cc (class Target_selector_x86_64): Likewise.
12019         * testsuite/testfile.cc (class Target_selector_test): Update for
12020         changes to Target_selector.
12021
12022         * README: Rewrite, with some notes on unsupported features.
12023
12024 2008-03-24  Cary Coutant  <ccoutant@google.com>
12025
12026         * i386.cc (Target_i386::Got_type): New enum declaration.
12027         (Target_i386::Scan::local): Updated callers of Output_data_got
12028         member functions.
12029         (Target_i386::Scan::global): Likewise.
12030         (Target_i386::Relocate::relocate): Likewise.
12031         (Target_i386::Relocate::relocate_tls): Likewise.
12032         * object.h (Got_offset_list): New class.
12033         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12034         (Sized_relobj::local_got_offset): Likewise.
12035         (Sized_relobj::set_local_got_offset): Likewise.
12036         (Sized_relobj::local_has_tls_got_offset): Removed.
12037         (Sized_relobj::local_tls_got_offset): Removed.
12038         (Sized_relobj::set_local_tls_got_offset): Removed.
12039         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12040         * output.cc (Output_data_got::add_global): Added got_type parameter.
12041         (Output_data_got::add_global_with_rel): Likewise.
12042         (Output_data_got::add_global_with_rela): Likewise.
12043         (Output_data_got::add_global_pair_with_rel): New function.
12044         (Output_data_got::add_global_pair_with_rela): New function.
12045         (Output_data_got::add_local): Added got_type parameter.
12046         (Output_data_got::add_local_with_rel): Likewise.
12047         (Output_data_got::add_local_with_rela): Likewise.
12048         (Output_data_got::add_local_pair_with_rel): New function.
12049         (Output_data_got::add_local_pair_with_rela): New function.
12050         (Output_data_got::add_global_tls): Removed.
12051         (Output_data_got::add_global_tls_with_rel): Removed.
12052         (Output_data_got::add_global_tls_with_rela): Removed.
12053         (Output_data_got::add_local_tls): Removed.
12054         (Output_data_got::add_local_tls_with_rel): Removed.
12055         (Output_data_got::add_local_tls_with_rela): Removed.
12056         * output.h (Output_data_got::add_global): Added got_type parameter.
12057         (Output_data_got::add_global_with_rel): Likewise.
12058         (Output_data_got::add_global_with_rela): Likewise.
12059         (Output_data_got::add_global_pair_with_rel): New function.
12060         (Output_data_got::add_global_pair_with_rela): New function.
12061         (Output_data_got::add_local): Added got_type parameter.
12062         (Output_data_got::add_local_with_rel): Likewise.
12063         (Output_data_got::add_local_with_rela): Likewise.
12064         (Output_data_got::add_local_pair_with_rel): New function.
12065         (Output_data_got::add_local_pair_with_rela): New function.
12066         (Output_data_got::add_global_tls): Removed.
12067         (Output_data_got::add_global_tls_with_rel): Removed.
12068         (Output_data_got::add_global_tls_with_rela): Removed.
12069         (Output_data_got::add_local_tls): Removed.
12070         (Output_data_got::add_local_tls_with_rel): Removed.
12071         (Output_data_got::add_local_tls_with_rela): Removed.
12072         * resolve.cc (Symbol::override_base_with_special): Removed
12073         reference to has_got_offset_ field.
12074         * symtab.cc (Symbol::init_fields): Replaced initialization
12075         of got_offset_ with got_offsets_.  Removed initialization
12076         of has_got_offset_
12077         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12078         (Symbol::got_offset): Likewise.
12079         (Symbol::set_got_offset): Likewise.
12080         (Symbol::has_tls_got_offset): Removed.
12081         (Symbol::tls_got_offset): Removed.
12082         (Symbol::set_tls_got_offset): Removed.
12083         (Symbol::got_offset_): Removed.
12084         (Symbol::tls_mod_got_offset_): Removed.
12085         (Symbol::tls_pair_got_offset_): Removed.
12086         (Symbol::got_offsets_): New field.
12087         (Symbol::has_got_offset): Removed.
12088         (Symbol::has_tls_mod_got_offset): Removed.
12089         (Symbol::has_tls_pair_got_offset): Removed.
12090         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12091         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12092         member functions.
12093         (Target_x86_64::Scan::global): Likewise.
12094         (Target_x86_64::Relocate::relocate): Likewise.
12095         (Target_x86_64::Relocate::relocate_tls): Likewise.
12096
12097 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12098
12099         * yyscript.y: Fix spelling error in comment.
12100
12101 2008-03-24  Ian Lance Taylor  <iant@google.com>
12102
12103         * options.h (class General_options): Define build_id option.
12104         * layout.h (class Layout): Declare write_build_id, create_note,
12105         create_build_id.  Add build_id_note_ member.
12106         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12107         "libiberty.h", "md5.h", "sha1.h".
12108         (Layout::Layout): Initialize eh_frame_data_,
12109         eh_frame_hdr_section_, and build_id_note_.
12110         (Layout::finalize): Call create_build_id.
12111         (Layout::create_note): New function, broken out of
12112         Layout::create_gold_note.
12113         (Layout::create_gold_note): Call create_note.
12114         (Layout::create_build_id): New function.
12115         (Layout::write_build_id): New function.
12116         (Close_task_runner::run): Call write_build_id.
12117
12118         * x86_64.cc: Correct license to GPLv3.
12119
12120 2008-03-23  Ian Lance Taylor  <iant@google.com>
12121
12122         * options.cc: Include "demangle.h".
12123         (parse_optional_string): New function.
12124         (parse_long_option): Handle takes_optional_argument.
12125         (parse_short_option): Update dash_z initializer.  Handle
12126         takes_optional_argument.
12127         (General_options::General_options): Initialize do_demangle_.
12128         (General_options::finalize): Set do_demangle_.  Handle demangling
12129         style.
12130         * options.h (parse_optional_string): Declare.
12131         (struct One_option): Add optional_arg field.  Update constructor.
12132         Update call constructor calls.  Add takes_optional_argument
12133         function.
12134         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12135         (DEFINE_optional_string): Define.
12136         (General_options::demangle): Change from DEFINE_bool to
12137         DEFINE_optional_string.
12138         (General_options::no_demangle): New function.
12139         (General_options::do_demangle): New function.
12140         (General_options::set_do_demangle): New function.
12141         (General_options::execstack_status_): Move definition to end of
12142         class definition.
12143         (General_options::static_): Likewise.
12144         (General_options::do_demangle_): New field.
12145         * object.cc (big_endian>::get_symbol_location_info): Call
12146         Options::do_demangle, not Options::demangle.
12147         * symtab.cc (demangle): Likewise.
12148
12149 2008-03-22  Ian Lance Taylor  <iant@google.com>
12150
12151         * gold.h: Include <cstddef> and <sys/types.h>
12152         * options.h: Include <cstring>.
12153
12154 2008-03-21  Ian Lance Taylor  <iant@google.com>
12155
12156         * Added source code to GNU binutils.