gold/ChangeLog

   1 2011-10-10  Cary Coutant  <ccoutant@google.com>
   2
   3         PR gold/13249
   4         * gold/output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
   5         (Output_reloc::symbol_value): Return PLT offset if flag is set.
   6         * gold/output.h (class Output_reloc): Add use_plt_offset flag.
   7         (Output_reloc::type_): Adjust size of bit field.
   8         (Output_reloc::use_plt_offset_): New bit field.
   9         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
  10         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
  11         flag.  Adjust all callers.
  12         * gold/x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
  13         creating RELATIVE relocations.
  14
  15 2011-10-10  Nick Clifton  <nickc@redhat.com>
  16
  17         * po/es.po: Updated Spanish translation.
  18         * po/fi.po: Updated Finnish translation.
  19
  20 2011-10-03   Diego Novillo  <dnovillo@google.com>
  21
  22         * options.cc (parse_uint): Fix dereference of RETVAL.
  23
  24 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
  25
  26         * layout.h (section_order_map_): New member.
  27         (get_section_order_map): New member function.
  28         * output.cc (Output_section::add_input_section): Check for patterns
  29         only when --section-ordering-file is specified.
  30         * gold.cc (queue_middle_tasks): Delay updating order of sections till
  31         output_sections have been formed.
  32         * layout.cc (Layout_Layout): Initialize section_order_map_.
  33         * plugin.cc (update_section_order): Store order in order_map. Do not
  34         update the order.
  35         * testsuite/Makefile.am: Add test case for plugin_final_layout.
  36         * testsuite/Makefile.in: Regenerate.
  37         * testsuite/plugin_section_order.c: New file.
  38         * testsuite/plugin_final_layout.cc: New file.
  39         * testsuite/plugin_final_layout.sh: New file.
  40
  41 2011-09-29  Cary Coutant  <ccoutant@google.com>
  42
  43         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
  44         Check for NULL.
  45         * gold/symtab.cc (Symbol_table::add_from_relobj): Ignore version
  46         symbols during incremental update.
  47         (Symbol_table::add_from_dynobj): Likewise.
  48
  49 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  50             Ian Lance Taylor  <iant@google.com>
  51
  52         * symtab.cc (Symbol_table::define_special_symbol): Always
  53         canonicalize version string.
  54
  55 2011-09-26  Cary Coutant  <ccoutant@google.com>
  56
  57         * gold/gold.cc (queue_initial_tasks): Move option checks ...
  58         * gold/options.cc (General_options::finalize): ... to here. Disable
  59         some options; make others fatal.
  60
  61 2011-09-26  Cary Coutant  <ccoutant@google.com>
  62
  63         gcc PR lto/47247
  64         * plugin.cc (get_symbols_v2): New function.
  65         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
  66         (is_referenced_from_outside): New function.
  67         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
  68         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
  69         (get_symbols): Pass version parameter.
  70         (get_symbols_v2): New function.
  71         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
  72         parameter.
  73         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
  74         (onload): Add LDPT_GET_SYMBOLS_V2.
  75         (all_symbols_read_hook): Use get_symbols_v2; check for
  76         LDPR_PREVAILING_DEF_IRONLY_EXP.
  77         * testsuite/plugin_test_3.sh: Update expected results.
  78
  79 2011-09-23  Simon Baldwin  <simonb@google.com>
  80
  81         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
  82         configuration options.
  83         * configure: Regenerate.
  84         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
  85         * Makefile.in: Regenerate.
  86         * testsuite/Makefile.in: Regenerate.
  87
  88 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
  89
  90         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
  91
  92 2011-09-19  Cary Coutant  <ccoutant@google.com>
  93
  94         * incremental.cc (can_incremental_update): Fix typo in comment.
  95         * incremental.h (can_incremental_update): Likewise.
  96
  97 2011-09-18  Cary Coutant  <ccoutant@google.com>
  98
  99         * incremental.cc (can_incremental_update): New function.
 100         * incremental.h (can_incremental_update): New function.
 101         * layout.cc (Layout::init_fixed_output_section): Call it.
 102         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 103         * object.cc (Sized_relobj_file::do_layout): Call
 104         can_incremental_update.
 105
 106 2011-09-13  Cary Coutant  <ccoutant@google.com>
 107
 108         * configure.ac: Check for glibc support for gnu_indirect_function
 109         support with static linking, setting automake conditional
 110         IFUNC_STATIC.
 111         * Makefile.in: Regenerate.
 112         * configure: Regenerate.
 113
 114         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 115         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 116         for IFUNC_STATIC.
 117         * testsuite/Makefile.in: Regenerate.
 118
 119 2011-09-13  Cary Coutant  <ccoutant@google.com>
 120
 121         * incremental.cc (Sized_relobj_incr::do_layout): Call
 122         report_comdat_group for kept comdat sections.
 123         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 124         * testsuite/Makefile.in: Regenerate.
 125         * testsuite/incr_comdat_test_1.cc: New source file.
 126         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 127         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 128         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 129
 130 2011-09-13  Ian Lance Taylor  <iant@google.com>
 131
 132         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 133         variable external_symbols_offset.
 134
 135 2011-09-12  Ian Lance Taylor  <iant@google.com>
 136
 137         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 138         triggered if object has no symbols.
 139
 140 2011-09-09  David S. Miller  <davem@davemloft.net>
 141
 142         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 143         (Output_fill_debug_line::do_write): Likewise.
 144
 145 2011-08-29  Cary Coutant  <ccoutant@google.com>
 146
 147         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 148         casts to match formatting specs.
 149         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 150
 151 2011-08-26  Cary Coutant  <ccoutant@google.com>
 152
 153         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 154         remaining hole size when allocating.
 155         (Layout::make_output_section): Set fill methods for debug sections.
 156         * layout.h (Free_list::Free_list_node): Move from private to
 157         public.
 158         (Free_list::set_min_hole_size): New function.
 159         (Free_list::begin, Free_list::end): New functions.
 160         (Free_list::min_hole_): New data member.
 161         * output.cc: Include dwarf.h.
 162         (Output_fill_debug_info::do_minimum_hole_size): New function.
 163         (Output_fill_debug_info::do_write): New function.
 164         (Output_fill_debug_line::do_minimum_hole_size): New function.
 165         (Output_fill_debug_line::do_write): New function.
 166         (Output_section::Output_section): Initialize new data member.
 167         (Output_section::set_final_data_size): Ensure patch space is larger
 168         than minimum hole size.
 169         (Output_section::do_write): Fill holes in debug sections.
 170         * output.h (Output_fill): New class.
 171         (Output_fill_debug_info): New class.
 172         (Output_fill_debug_line): New class.
 173         (Output_section::set_free_space_fill): New function.
 174         (Output_section::free_space_fill_): New data member.
 175         * testsuite/Makefile.am (incremental_test_3): Add
 176         --incremental-patch option.
 177         (incremental_test_4): Likewise.
 178         (incremental_test_5): Likewise.
 179         (incremental_test_6): Likewise.
 180         (incremental_copy_test): Likewise.
 181         (incremental_common_test_1): Likewise.
 182         * testsuite/Makefile.in: Regenerate.
 183
 184 2011-08-26  Nick Clifton  <nickc@redhat.com>
 185
 186         * po/es.po: Updated Spanish translation.
 187
 188 2011-08-01  Cary Coutant  <ccoutant@google.com>
 189
 190         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 191         * gold/testsuite/Makefile.in: Regenerate.
 192         * gold/testsuite/justsyms_exec.c: New source file.
 193         * gold/testsuite/justsyms_lib.c: New source file.
 194
 195 2011-08-01  Cary Coutant  <ccoutant@google.com>
 196
 197         * layout.cc (Layout::set_segment_offsets): Don't realign text
 198         segment if -Ttext was specified.
 199         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 200         file type.
 201         * object.h (Sized_relobj_file::e_type): New function.
 202         (Sized_relobj_file::e_type_): New data member.
 203         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 204         base address for ET_EXEC files.
 205         * target.cc (Target::do_make_elf_object_implementation): Allow
 206         ET_EXEC files with --just-symbols option.
 207
 208 2011-07-28  Cary Coutant  <ccoutant@google.com>
 209
 210         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 211         Add thread_number parameter.
 212         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 213         * workqueue-threads.cc
 214         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 215         current thread if its thread number is greater than desired thread
 216         count.
 217         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 218         Add thread_number parameter.
 219         (Workqueue::should_cancel_thread): Likewise.
 220         (Workqueue::find_runnable_or_wait): Pass thread_number to
 221         should_cancel_thread.
 222         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 223         parameter.
 224
 225 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 226
 227         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 228         only after checking if it cannot be forced local.
 229         * symtab.h (is_externally_visible): Check if the symbol is not forced
 230         local.
 231
 232 2011-07-15  Ian Lance Taylor  <iant@google.com>
 233
 234         * options.h (class General_options): Add --print-output-format.
 235         Move -EL next to -EB, for  better --help output.
 236         * target-select.cc: Include <cstdio>, "options.h", and
 237         "parameters.h".
 238         (Target_selector::do_target_bfd_name): New function.
 239         (print_output_format): New function.
 240         * target-select.h (class Target_selector): Update declarations.
 241         (Target_selector::target_bfd_name): New function.
 242         (print_output_format): Declare.
 243         * main.cc: Include "target-select.h".
 244         (main): Handle --print-output-format.
 245         * gold.cc: Include "target-select.h".
 246         (queue_initial_tasks): Handle --print-output-format when there are
 247         no input files.
 248         * parameters.cc (parameters_force_valid_target): Give a better
 249         error message if -EB/-EL does not match target.
 250         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 251         function.
 252
 253 2011-07-15  Ian Lance Taylor  <iant@google.com>
 254
 255         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 256         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 257         (Output_data_plt_i386::do_write): Write address of .dynamic
 258         section to first entry in .got.plt section.
 259         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 260         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 261         Initialize layout_.
 262         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 263         section to first entry in .got.plt section.
 264         * layout.h (Layout::dynamic_section): New function.
 265
 266 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 267
 268         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 269         to claim_file call.
 270         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 271         input_section_position_, and input_section_glob_.
 272         (read_layout_from_file): Call function section_ordering_specified.
 273         * layout.h (is_section_ordering_specified): New function.
 274         (section_ordering_specified): New function.
 275         (section_ordering_specified_): New boolean member.
 276         * main.cc(main): Call load_plugins after layout object is defined.
 277         * output.cc (Output_section::add_input_section): Use
 278         function section_ordering_specified to check if section ordering is
 279         needed.
 280         * output.cc (Output_section::add_relaxed_input_section): Use
 281         function section_ordering_specified to check if section ordering is
 282         needed.
 283         (Output_section::update_section_layout): New function.
 284         (Output_section::sort_attached_input_sections): Check if input section
 285         must be reordered.
 286         * output.h (Output_section::update_section_layout): New function.
 287         * plugin.cc (get_section_count): New function.
 288         (get_section_type): New function.
 289         (get_section_name): New function.
 290         (get_section_contents): New function.
 291         (update_section_order): New function.
 292         (allow_section_ordering): New function.
 293         (Plugin::load): Add the new interfaces to the transfer vector.
 294         (Plugin_manager::load_plugins): New parameter.
 295         (Plugin_manager::all_symbols_read): New parameter.
 296         (Plugin_manager::claim_file): New parameter. Save the elf object for
 297         unclaimed objects.
 298         (Plugin_manager::get_elf_object): New function.
 299         (Plugin_manager::get_view): Change to directly use the bool to check
 300         if get_view is called from claim_file_hook.
 301         * plugin.h (input_objects): New function
 302         (Plugin__manager::load_plugins): New parameter.
 303         (Plugin_manager::claim_file): New parameter.
 304         (Plugin_manager::get_elf_object): New function.
 305         (Plugin_manager::in_claim_file_handler): New function.
 306         (Plugin_manager::in_claim_file_handler_): New member.
 307         (layout): New function.
 308         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 309         handler with an extra parameter. Make the elf object before calling
 310         claim_file handler.
 311         * testsuite/plugin_test.c (get_section_count): New function pointer.
 312         (get_section_type): New function pointer.
 313         (get_section_name): New function pointer.
 314         (get_section_contents): New function pointer.
 315         (update_section_order): New function pointer.
 316         (allow_section_ordering): New function pointer.
 317         (onload): Check if the new interfaces exist.
 318
 319 2011-07-13  Ian Lance Taylor  <iant@google.com>
 320
 321         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 322         relro section.
 323         * x86_64.cc (Target_x86_64::got_section): Likewise.
 324         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 325         (relro_now_test_SOURCES): New variable.
 326         (relro_now_test_DEPENDENCIES): New variable.
 327         (relro_now_test_LDFLAGS): New variable.
 328         (relro_now_test_LDADD): New variable.
 329         (relro_now_test.so): New target.
 330         * testsuite/Makefile.in: Rebuild.
 331
 332 2011-07-12  Ian Lance Taylor  <iant@google.com>
 333
 334         PR gold/12980
 335         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 336         GLOB_DAT relocation rather than a RELATIVE relocation for a
 337         protected symbol when creating a shared library.
 338         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 339         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 340         * testsuite/protected_main_1.cc (main): Test that protected
 341         function has same address.
 342
 343 2011-07-11  Ian Lance Taylor  <iant@google.com>
 344
 345         PR gold/12979
 346         * options.h (class General_options): Add -Bgroup.
 347         * options.cc (General_options::finalize): If -Bgroup is set,
 348         default to --unresolved-symbols=report-all.
 349         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 350         * target-reloc.h (issue_undefined_symbol_error): Handle
 351         --unresolved-symbols=report-all.
 352
 353 2011-07-08  Ian Lance Taylor  <iant@google.com>
 354
 355         PR gold/11985
 356         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 357         if linker script discards key sections.
 358         (Layout::create_dynamic_symtab): Likewise.
 359         (Layout::assign_local_dynsym_offsets): Likewise.
 360         (Layout::sized_create_version_sections): Likewise.
 361         (Layout::create_interp): Likewise.
 362         (Layout::finish_dynamic_section): Likewise.
 363         (Layout::set_dynamic_symbol_size): Likewise.
 364
 365 2011-07-08  Ian Lance Taylor  <iant@google.com>
 366
 367         PR gold/12386
 368         * options.h (class General_options): Add --unresolved-symbols.
 369         * target-reloc.h (issue_undefined_symbol_error): Check
 370         --unresolved-symbols.  Add comments.
 371
 372 2011-07-08  Ian Lance Taylor  <iant@google.com>
 373
 374         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 375         expression more complex.
 376
 377 2011-07-08  Ian Lance Taylor  <iant@google.com>
 378
 379         PR gold/11317
 380         * target-reloc.h (issue_undefined_symbol_error): New inline
 381         function, broken out of relocate_section.
 382         (relocate_section): Call issue_undefined_symbol_error.
 383         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 384         there is no TLS segment if we are about to issue an undefined
 385         symbol error.
 386         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 387
 388 2011-07-08  Ian Lance Taylor  <iant@google.com>
 389
 390         PR gold/12279
 391         * resolve.cc (Symbol_table::should_override): Add fromtype
 392         parameter.  Change all callers.  Give error when linking together
 393         TLS and non-TLS symbol.
 394         (Symbol_table::should_override_with_special): Add fromtype
 395         parameter.  Change all callers.
 396         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 397         there is no TLS segment if we have reported some errors.
 398         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 399
 400 2011-07-08  Ian Lance Taylor  <iant@google.com>
 401
 402         PR gold/12372
 403         * target.h (Target::plt_address_for_global): New function.
 404         (Target::plt_address_for_local): New function.
 405         (Target::plt_section_for_global): Remove.
 406         (Target::plt_section_for_local): Remove.
 407         (Target::do_plt_address_for_global): New virtual function.
 408         (Target::do_plt_address_for_local): New virtual function.
 409         (Target::do_plt_section_for_global): Remove.
 410         (Target::do_plt_section_for_local): Remove.
 411         (Target::register_global_plt_entry): Add Symbol_table and Layout
 412         parameters.
 413         * output.cc (Output_data_got::Got_entry::write): Use
 414         plt_address_for_global and plt_address_for_local.
 415         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 416         address of output section.
 417         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 418         got_irelative_, and irelative_count_ fields.  Update
 419         declarations.
 420         (Output_data_plt_i386::has_irelative_section): New function.
 421         (Output_data_plt_i386::entry_count): Add irelative_count_.
 422         (Output_data_plt_i386::set_final_data_size): Likewise.
 423         (class Target_i386): Add got_irelative_ and rel_irelative_
 424         fields.  Update declarations.
 425         (Target_i386::Target_i386): Initialize new fields.
 426         (Target_i386::do_plt_address_for_global): New function replacing
 427         do_plt_section_for_global.
 428         (Target_i386::do_plt_address_for_local): New function replacing
 429         do_plt_section_for_local.
 430         (Target_i386::got_section): Create got_irelative_.
 431         (Target_i386::rel_irelative_section): New function.
 432         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 433         fields.  Don't define __rel_iplt_{start,end}.
 434         (Output_data_plt_i386::add_entry): Add symtab and layout
 435         parameters.  Change all callers.  Use different PLT and GOT for
 436         IFUNC symbols.
 437         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 438         layout parameters.  Change all callers.  Use different PLT and
 439         GOT.
 440         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 441         (Output_data_plt_i386::rel_irelative): New function.
 442         (Output_data_plt_i386::address_for_global): New function.
 443         (Output_data_plt_i386::address_for_local): New function.
 444         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 445         IRELATIVE GOT when changing IFUNC GOT entries.
 446         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 447         reloc.
 448         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 449         if we didn't create an IRELATIVE GOT.
 450         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 451         plt_address_for_local.
 452         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 453         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 454         got_irelative_, and irelative_count_ fields.  Update
 455         declarations.
 456         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 457         Initialize new fields.  Remove symtab parameter.  Change all
 458         callers.
 459         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 460         irelative_count_.
 461         (Output_data_plt_x86_64::has_irelative_section): New function.
 462         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 463         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 464         fields.  Update declarations.
 465         (Target_x86_64::Target_x86_64): Initialize new fields.
 466         (Target_x86_64::do_plt_address_for_global): New function replacing
 467         do_plt_section_for_global.
 468         (Target_x86_64::do_plt_address_for_local): New function replacing
 469         do_plt_section_for_local.
 470         (Target_x86_64::got_section): Create got_irelative_.
 471         (Target_x86_64::rela_irelative_section): New function.
 472         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 473         all callers.  Don't create __rel_iplt_{start,end}.
 474         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 475         parameters.  Change all callers.  Use different PLT and GOT for
 476         IFUNC symbols.
 477         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 478         layout parameters.  Change all callers.  Use different PLT and
 479         GOT.
 480         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 481         parameters.  Change all callers.  Use different PLT and GOT for
 482         IFUNC symbols.
 483         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 484         (Output_data_plt_x86_64::rela_irelative): New function.
 485         (Output_data_plt_x86_64::address_for_global): New function.
 486         (Output_data_plt_x86_64::address_for_local): New function.
 487         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 488         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 489         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 490         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 491         parameters.
 492         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 493         reloc.
 494         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 495         symbols if we didn't create an IRELATIVE GOT.
 496         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 497         plt_address_for_local.
 498         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 499         * testsuite/ifuncvar1.c: New test file.
 500         * testsuite/ifuncvar2.c: New test file.
 501         * testsuite/ifuncvar3.c: New test file.
 502         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 503         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 504         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 505         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 506         * testsuite/Makefile.in: Rebuild.
 507
 508 2011-07-07  Cary Coutant  <ccoutant@google.com>
 509
 510         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 511         (two_file_test_1_ndebug.o): Likewise.
 512         (two_file_test_1b_ndebug.o): Likewise.
 513         (two_file_test_2_ndebug.o): Likewise.
 514         (two_file_test_main_ndebug.o): Likewise.
 515         (incremental_test_2): Link with no-debug versions.
 516
 517 2011-07-06  Cary Coutant  <ccoutant@google.com>
 518
 519         * gold/incremental.cc
 520         (Output_section_incremental_inputs::write_info_blocks): Check for
 521         hidden and internal symbols.
 522
 523 2011-07-06  Cary Coutant  <ccoutant@google.com>
 524
 525         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 526         Check disposition for startup file.
 527         (Incremental_inputs::report_command_line): Ignore
 528         --incremental-startup-unchanged option.
 529         * options.cc (General_options::parse_incremental_startup_unchanged):
 530         New function.
 531         (General_options::General_options): Initialize new data member.
 532         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 533         (General_options): Add --incremental-startup-unchanged option.
 534         (General_options::incremental_startup_disposition): New function.
 535         (General_options::incremental_startup_disposition_): New data member.
 536
 537 2011-07-06  Cary Coutant  <ccoutant@google.com>
 538
 539         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 540         input file index to Script_info ctor.
 541         (Sized_incremental_binary::do_file_has_changed): Find the
 542         command-line argument for files named in scripts.
 543         * incremental.h (Script_info::Script_info): New ctor
 544         with input file index.
 545         (Script_info::input_file_index): New function.
 546         (Script_info::input_file_index_): New data member.
 547         (Incremental_binary::get_library): Add const.
 548         (Incremental_binary::get_script_info): Add const.
 549         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 550         * testsuite/Makefile.am (incremental_test_5): New test case.
 551         (incremental_test_6): New test case.
 552         * testsuite/Makefile.in: Regenerate.
 553
 554 2011-07-06  Cary Coutant  <ccoutant@google.com>
 555
 556         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 557         debug output when command lines differ.
 558
 559 2011-07-06  Cary Coutant  <ccoutant@google.com>
 560
 561         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 562         --incremental-patch option.
 563         * layout.cc (Free_list::allocate): Extend allocation beyond original
 564         end if enabled.
 565         (Layout::make_output_section): Mark sections that should get
 566         patch space.
 567         * options.cc (parse_percent): New function.
 568         * options.h (parse_percent): New function.
 569         (DEFINE_percent): New macro.
 570         (General_options): Add --incremental-patch option.
 571         * output.cc (Output_section::Output_section): Initialize new data
 572         members.
 573         (Output_section::add_input_section): Print section name when out
 574         of patch space.
 575         (Output_section::add_output_section_data): Likewise.
 576         (Output_section::set_final_data_size): Add patch space when
 577         doing --incremental-full.
 578         (Output_section::do_reset_address_and_file_offset): Remove patch
 579         space.
 580         (Output_segment::set_section_list_addresses): Print debug output
 581         only if --incremental-update.
 582         * output.h (Output_section::set_is_patch_space_allowed): New function.
 583         (Output_section::is_patch_space_allowed_): New data member.
 584         (Output_section::patch_space_): New data member.
 585         * parameters.cc (Parameters::incremental_full): New function.
 586         * parameters.h (Parameters::incremental_full): New function
 587         * testsuite/Makefile.am (incremental_test_2): Add test for
 588         --incremental-patch option.
 589         * testsuite/Makefile.in: Regenerate.
 590         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 591         (t18): Remove function body.
 592
 593 2011-07-05  Doug Kwan  <dougkwan@google.com>
 594
 595         PR gold/12771
 596         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 597         Arm_Address type for relocation result.
 598         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 599         overflow check.
 600         (Arm_relocate_functions::abs32): Use unaligned access.
 601         (Arm_relocate_functions::rel32): Ditto.
 602         (Arm_relocate_functions::prel31): Ditto.
 603         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 604         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 605         static data relocations.
 606         * testsuite/Makefile.in: Regnerate.
 607         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 608
 609 2011-07-05  Ian Lance Taylor  <iant@google.com>
 610
 611         PR gold/12392
 612         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 613         symbols if necessary.
 614         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 615
 616 2011-07-05  Ian Lance Taylor  <iant@google.com>
 617
 618         PR gold/12952
 619         * resolve.cc (Symbol::override_base_with_special): Simply override
 620         version with special symbol version, ignoring previous version.
 621
 622 2011-07-05  Ian Lance Taylor  <iant@google.com>
 623
 624         * object.cc (Sized_relobj_file::include_section_group): Add
 625         information to comment about signature location.
 626
 627 2011-07-02  Ian Lance Taylor  <iant@google.com>
 628
 629         PR gold/12957
 630         * options.h (class General_options): Add -f and -F.
 631         * options.cc (General_options::finalize): Fatal error if -f/-F
 632         are used without -shared.
 633         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 634
 635 2011-07-02  Ian Lance Taylor  <iant@google.com>
 636
 637         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 638
 639 2011-07-01  Ian Lance Taylor  <iant@google.com>
 640
 641         PR gold/12525
 642         PR gold/12952
 643         * resolve.cc (Symbol::override_base_with_special): Don't override
 644         the version if the overriding symbol has a different name.
 645         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 646         all callers.  If we give an error about an undefined version,
 647         define the base version if necessary.
 648         * dynobj.h (class Versions): Update declaration.
 649         * testsuite/weak_alias_test_5.cc: New file.
 650         * testsuite/weak_alias_test.script: New file.
 651         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 652         and versioned_alias have the right value, and call t2.
 653         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 654         weak_alias_test_5.so.
 655         (weak_alias_test_LDADD): Likewise.
 656         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 657         * testsuite/Makefile.in: Rebuild.
 658
 659 2011-07-01  Ian Lance Taylor  <iant@google.com>
 660
 661         PR gold/12525
 662         * options.h (class General_options): Support -z notext.
 663         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 664         -Wl,-z,notext.
 665         (two_file_shared_nonpic.so): Likewise.
 666         (two_file_shared_mixed.so): Likewise.
 667         (two_file_shared_mixed_1.so): Likewise.
 668         (weak_undef_lib_nonpic.so): Likewise.
 669         (alt/weak_undef_lib_nonpic.so): Likewise.
 670         (tls_test_shared_nonpic.so): Likewise.
 671         * testsuite/Makefile.in: Rebuild.
 672
 673 2011-07-01  Ian Lance Taylor  <iant@google.com>
 674
 675         PR gold/12525
 676         * configure.ac: Test whether static linking works, setting
 677         the automake conditional HAVE_STATIC.
 678         * testsuite/Makefile.am: Disable tests using -static if
 679         HAVE_STATIC is not true.
 680         * configure, testsuite/Makefile.in: Rebuild.
 681
 682 2011-07-01  Ian Lance Taylor  <iant@google.com>
 683
 684         PR gold/12525
 685         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 686         Assert if we see DW_EH_PE_indirect.
 687         * target.h (Target::ehframe_datarel_base): New function.
 688         (Target::do_ehframe_datarel_base): New target function.
 689         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 690         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 691         function.
 692
 693 2011-07-01  Ian Lance Taylor  <iant@google.com>
 694
 695         PR gold/12571
 696         * options.h (class General_options): Add
 697         --ld-generated-unwind-info.
 698         * ehframe.cc (Fde::write): Add address parameter.  Change all
 699         callers.  If associated with PLT, fill in address and size.
 700         (Cie::set_output_offset): Only add merge mapping if there is an
 701         object.
 702         (Cie::write): Add address parameter.  Change all callers.
 703         (Eh_frame::add_ehframe_for_plt): New function.
 704         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 705         input_offset_ fields into union u_, with new plt field.
 706         (Fde::Fde): Adjust for new union field.
 707         (Fde::Fde) [Output_data version]: New constructor.
 708         (Fde::add_mapping): Only add merge mapping if there is an object.
 709         (class Cie): Update declarations.
 710         (class Eh_frame): Declare add_ehframe_for_plt.
 711         * layout.cc (Layout::layout_eh_frame): Break out code into
 712         make_eh_frame_section, and call it.
 713         (Layout::make_eh_frame_section): New function.
 714         (Layout::add_eh_frame_for_plt): New function.
 715         * layout.h (class Layout): Update declarations.
 716         * merge.cc (Merge_map::add_mapping): Add assertion.
 717         * i386.cc: Include "dwarf.h".
 718         (class Output_data_plt_i386): Make first_plt_entry,
 719         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 720         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 721         and plt_eh_frame_fde.
 722         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 723         boundary.  Call add_eh_frame_for_plt if appropriate.
 724         * x86_64.cc: Include "dwarf.h".
 725         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 726         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 727         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 728         and plt_eh_frame_fde.
 729         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 730         appropriate.
 731
 732 2011-06-29  Ian Lance Taylor  <iant@google.com>
 733
 734         PR gold/12629
 735         * object.cc (Sized_relobj_file::layout_section): Change shdr
 736         parameter to be const.
 737         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 738         out of do_layout.
 739         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 740         appropriate.  Call layout_eh_frame_section.
 741         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 742         sections.
 743         * object.h (class Sized_relobj_file): Update declarations.
 744
 745 2011-06-29  Ian Lance Taylor  <iant@google.com>
 746
 747         PR gold/12652
 748         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 749         modifier.
 750         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 751
 752 2011-06-29  Ian Lance Taylor  <iant@google.com>
 753
 754         PR gold/12675
 755         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 756         SHT_X86_64_UNWIND.
 757         * layout.cc (Layout::layout_eh_frame): Likewise.
 758
 759 2011-06-29  Ian Lance Taylor  <iant@google.com>
 760
 761         PR gold/12695
 762         * layout.cc (Layout::symtab_section_shndx): New function.
 763         * layout.h (class Layout): Declare symtab_section_shndx.
 764         * output.cc (Output_section::write_header): Call it.
 765
 766 2011-06-29  Ian Lance Taylor  <iant@google.com>
 767
 768         PR gold/12818
 769         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 770         symbols which are not used in a relocation.
 771
 772 2011-06-28  Ian Lance Taylor  <iant@google.com>
 773
 774         PR gold/12898
 775         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 776         script create indistinguishable segments.
 777         (Layout::set_segment_offsets): Use stable_sort when sorting
 778         segments.  Pass this to Compare_segments constructor.
 779         * layout.h (class Layout): Make segment_precedes non-static.
 780         (class Compare_segments): Change from struct to class.  Add
 781         layout_ field.  Add constructor.
 782         * script-sections.cc
 783         (Script_sections::attach_sections_using_phdrs_clause): Rename
 784         local orphan to is_orphan.  Don't report failure to put empty
 785         section in segment.  On attachment failure, report name of
 786         section, and attach to first PT_LOAD segment.
 787
 788 2011-06-28  Ian Lance Taylor  <iant@google.com>
 789
 790         PR gold/12934
 791         * target-select.cc (Target_selector::Target_selector): Add
 792         emulation parameter.  Change all callers.
 793         (select_target_by_bfd_name): Rename from select_target_by_name.
 794         Change all callers.
 795         (select_target_by_emulation): New function.
 796         (supported_emulation_names): New function.
 797         * target-select.h (class Target_selector): Add emulation_ field.
 798         Update declarations.
 799         (Target_selector::recognize_by_bfd_name): Rename from
 800         recognize_by_name.  Change all callers.
 801         (Target_selector::supported_bfd_names): Rename from
 802         supported_names.  Change all callers.
 803         (Target_selector::recognize_by_emulation): New function.
 804         (Target_selector::supported_emulations): New function.
 805         (Target_selector::emulation): New function.
 806         (Target_selector::do_recognize_by_bfd_name): Rename from
 807         do_recognize_by_name.  Change all callers.
 808         (Target_selector::do_supported_bfd_names): Rename from
 809         do_supported_names.  Change all callers.
 810         (Target_selector::do_recognize_by_emulation): New function.
 811         (Target_selector::do_supported_emulations): New function.
 812         (select_target_by_bfd_name): Change name in declaration.
 813         (select_target_by_emulation): Declare.
 814         (supported_emulation_names): Declare.
 815         * parameters.cc (parameters_force_valid_target): Try to find
 816         target based on emulation from -m option.
 817         * options.h (class General_options): Change doc string for -m.
 818         * options.cc (help): Print emulations.
 819         (General_options::parse_V): Likewise.
 820         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 821         Add emulation parameter.  Change all callers.
 822
 823 2011-06-28  Ian Lance Taylor  <iant@google.com>
 824
 825         * target.h (class Target): Add osabi_ field.
 826         (Target::osabi): New function.
 827         (Target::set_osabi): New function.
 828         (Target::Target): Initialize osabi_.
 829         (Target::do_adjust_elf_header): Make pure virtual.
 830         (Sized_target::do_adjust_elf_header): Declare.
 831         * target.cc (Sized_target::do_adjust_elf_header): New function.
 832         (class Sized_target): Instantiate all versions.
 833         * freebsd.h (class Target_freebsd): Remove.
 834         (Target_selector_freebsd::do_recognize): Call set_osabi on
 835         Target.
 836         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 837         (Target_selector_freebsd::set_osabi): Remove.
 838         * i386.cc (class Target_i386): Inherit from Sized_target rather
 839         than Target_freebsd.
 840         * x86_64.cc (class Target_x86_64): Likewise.
 841
 842 2011-06-28  Ian Lance Taylor  <iant@google.com>
 843
 844         * target.h (Target::can_check_for_function_pointers): Rewrite.
 845         Make non-virtual.
 846         (Target::can_icf_inline_merge_sections): Likewise.
 847         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 848         (Target::Target_info): Add can_icf_inline_merge_sections field.
 849         (Target::do_can_check_for_function_pointers): New virtual
 850         function.
 851         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 852         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 853         from can_check_for_function_pointers, move in file.
 854         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 855         section_may_have_icf_unsafe_poineters, move in file.
 856         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 857         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 858         Rename from can_check_for_function_pointers, move in file.
 859         (Target_i386::can_icf_inline_merge_sections): Remove.
 860         (Target_i386::i386_info): Initialize
 861         can_icf_inline_merge_sections.
 862         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 863         Initialize can_icf_inline_merge_sections.
 864         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 865         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 866         Rename from can_check_for_function_pointers, move in file.
 867         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 868         (Target_x86_64::x86_64_info): Initialize
 869         can_icf_inline_merge_sections.
 870         * testsuite/testfile.cc (Target_test::test_target_info):
 871         Likewise.
 872         * icf.cc (get_section_contents): Correct formatting.
 873
 874 2011-06-27  Ian Lance Taylor  <iant@google.com>
 875
 876         * symtab.cc (Symbol::versioned_name): New function.
 877         (Symbol_table::add_to_final_symtab): Use versioned_name when
 878         appropriate.
 879         (Symbol_table::sized_write_symbol): Likewise.
 880         * symtab.h (class Symbol): Declare versioned_name.
 881         * stringpool.h (class Stringpool_template): Add variant of add
 882         which takes a std::basic_string.
 883         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 884         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 885         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 886         (ver_test_12.o): New target.
 887         * testsuite/Makefile.in: Rebuild.
 888
 889 2011-06-27  Doug Kwan  <dougkwan@google.com>
 890
 891         * arm.cc (Arm_relocate_functions::thm_jump8,
 892         Arm_relocate_functions::thm_jump11): Use a wider signed
 893         type to compute offset.
 894         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 895         arm_thm_jump8.
 896         * testsuite/Makefile.in: Regenerate.
 897         * testsuite/arm_branch_in_range.sh: Check test results of
 898         arm_thm_jump11 and arm_thm_jump8.
 899         * testsuite/arm_thm_jump11.s: New test source file.
 900         * testsuite/arm_thm_jump11.t: New linker script.
 901         * testsuite/arm_thm_jump8.s: New test source file.
 902         * testsuite/arm_thm_jump8.t: New linker script.
 903
 904 2011-06-24  Ian Lance Taylor  <iant@google.com>
 905
 906         * layout.cc: Include "object.h".
 907         (ctors_sections_in_init_array): New static variable.
 908         (Layout::is_ctors_in_init_array): New function.
 909         (Layout::layout): Add entry to ctors_sections_in_init_array if
 910         appropriate.
 911         * layout.h (class Layout): Declare is_ctors_in_init_array.
 912         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 913         is_ctors_reverse_view is set.
 914         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 915         all callers.  Set is_ctors_reverse_view field of View_size.
 916         (Sized_relobj_file::reverse_words): New function.
 917         * object.h (Sized_relobj_file::View_size): Add
 918         is_ctors_reverse_view field.
 919         (class Sized_relobj_file): Update declarations.
 920         * testsuite/initpri3.c: New test.
 921         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 922         initpri3b.
 923         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 924         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 925         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 926         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 927         * testsuite/Makefile.in: Rebuild.
 928
 929 2011-06-24  Cary Coutant  <ccoutant@google.com>
 930
 931         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 932         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 933         (debug_msg_cdebug.err): New targets.
 934         * testsuite/Makefile.in: Regenerate.
 935         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 936         Fix checks for link with shared library.
 937
 938 2011-06-24  Doug Kwan  <dougkwan@google.com>
 939
 940         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 941         skip empty text sections.
 942         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 943
 944 2011-06-22  Ian Lance Taylor  <iant@google.com>
 945
 946         PR gold/12910
 947         * options.h (class General_options): Add --ctors-in-init-array.
 948         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 949         friends as SHT_PROGBITS for merging sections.
 950         (Layout::layout): Remove special handling of .init_array and
 951         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 952         and .dtors if ctors_in_init_array.
 953         (Layout::make_output_section): Force correct section types for
 954         .init_array and friends.  Don't sort if doing relocatable link,
 955         Don't sort .ctors and .dtors if ctors_in_init_array.
 956         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 957         (Layout::output_section_name): Add relobj parameter.  Change all
 958         callers.  Handle .ctors. and .dtors. in code rather than table.
 959         Handle .ctors and .dtors if ctors_in_init_array.
 960         (Layout::match_file_name): New function, moved from output.cc.
 961         * layout.h (class Layout): Update declarations.
 962         * output.cc: Include "layout.h".
 963         (Input_section_sort_entry::get_priority): New function.
 964         (Input_section_sort_entry::match_file_name): Just call
 965         Layout::match_file_name.
 966         (Output_section::Input_section_sort_init_fini_compare::operator()):
 967         Handle .ctors and .dtors.  Sort by explicit priority rather than
 968         by name.
 969         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 970         * testsuite/initpri2.c: New test.
 971         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 972         (check_PROGRAMS): Add initpri2.
 973         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
 974         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
 975         * configure, testsuite/Makefile.in: Rebuild.
 976
 977 2011-06-19  Ian Lance Taylor  <iant@google.com>
 978
 979         PR gold/12880
 980         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
 981         .interp section to a PT_INTERP segment even if we have seen a
 982         --dynamic-linker option.  Don't do it if we have seen a PHDRS
 983         clause in a linker script.
 984         (Layout::finalize): Don't create a .interp section if we've
 985         already create a PT_INTERP segment.
 986         (Layout::create_interp): Always call choose_output_section (revert
 987         patch of 2011-06-17).  Don't create PT_INTERP segment.
 988         * script-sections.cc
 989         (Script_sections::create_note_and_tls_segments): Add a .interp
 990         section to a PT_INTERP segment even if we have seen a
 991         --dynamic-linker option.
 992
 993 2011-06-18  Ian Lance Taylor  <iant@google.com>
 994
 995         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
 996         merely because a non-PT_LOAD segment has a dynamic reloc.
 997
 998 2011-06-18  Ian Lance Taylor  <iant@google.com>
 999
1000         * layout.cc (Layout::finish_dynamic_section): Don't create
1001         DT_FLAGS entry if not needed.
1002
1003 2011-06-18  Ian Lance Taylor  <iant@google.com>
1004
1005         PR gold/12745
1006         * layout.cc (Layout::layout_eh_frame): Correct handling of
1007         writable .eh_frame section.
1008
1009 2011-06-17  Ian Lance Taylor  <iant@google.com>
1010
1011         PR gold/12893
1012         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1013         symbol is redefined with the exact same object and value.
1014
1015 2011-06-17  Ian Lance Taylor  <iant@google.com>
1016
1017         PR gold/12880
1018         * layout.h (class Layout): Add interp_segment_ field.
1019         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1020         (Layout::attach_allocated_section_to_segment): If making shared
1021         library, put .interp section in PT_INTERP segment.
1022         (Layout::finalize): Also call create_interp if -dynamic-linker
1023         option was used.
1024         (Layout::create_interp): Assert that there is no PT_INTERP
1025         segment.  If not using a SECTIONS clause, use make_output_section.
1026         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1027         * script-sections.cc
1028         (Script_sections::create_note_and_tls_segments): If making shared
1029         library, put .interp section in PT_INTERP segment.
1030
1031 2011-06-17  Ian Lance Taylor  <iant@google.com>
1032
1033         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1034         when making a shared library.
1035
1036 2011-06-17  Ian Lance Taylor  <iant@google.com>
1037
1038         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1039         parameter.  Change all callers.  Don't issue warning about PC32
1040         against locally defined symbol.
1041
1042 2011-06-16  Ian Lance Taylor  <iant@google.com>
1043
1044         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1045         occurs in same object.
1046
1047 2011-06-14  Alan Modra  <amodra@gmail.com>
1048
1049         * po/POTFILES.in: Regenerate.
1050
1051 2011-06-09  Ian Lance Taylor  <iant@google.com>
1052
1053         * script-sections.cc
1054         (Orphan_output_section::set_section_addresses): For a relocatable
1055         link set address to 0.
1056
1057 2011-06-09  Cary Coutant  <ccoutant@google.com>
1058
1059         PR gold/12804
1060         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1061         used with --compress-debug-sections.
1062         * gold/object.cc (Sized_relobj_file::do_layout): Report
1063         uncompressed size of compressed input sections.
1064
1065 2011-06-08  Cary Coutant  <ccoutant@google.com>
1066
1067         PR gold/12804
1068         * testsuite/two_file_test_2_v1.cc: Change initialization of
1069         v2 to keep it in .data.
1070
1071 2011-06-07  Cary Coutant  <ccoutant@google.com>
1072
1073         * common.cc (Symbol_table::do_allocate_commons_list): Call
1074         gold_fallback.
1075         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1076         (Errors::fallback): New function.
1077         (gold_fallback): New function.
1078         * errors.h (Errors::fallback): New function.
1079         * gold.cc (gold_exit): Change status parameter to enum; adjust
1080         all callers.
1081         (queue_initial_tasks): Call gold_fallback.
1082         * gold.h: Include cstdlib.
1083         (Exit_status): New enum type.
1084         (gold_exit): Change status parameter to enum.
1085         (gold_fallback): New function.
1086         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1087         (Layout::create_symtab_sections): Likewise.
1088         (Layout::create_shdrs): Likewise.
1089         * main.cc (main): Adjust call to gold_exit.
1090         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1091         (Output_data_got::add_got_entry_pair): Likewise.
1092         (Output_section::add_input_section): Likewise.
1093         (Output_section::add_output_section_data): Likewise.
1094         (Output_segment::set_section_list_addresses): Likewise.
1095         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1096
1097 2011-06-07  Cary Coutant  <ccoutant@google.com>
1098
1099         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1100         for incremental links.
1101         * output.cc (Output_segment::set_section_list_addresses): Remove
1102         FIXME and test for TLS or BSS.
1103
1104 2011-06-07  Cary Coutant  <ccoutant@google.com>
1105
1106         * testsuite/Makefile.am: Add incremental_copy_test,
1107         incremental_common_test_1.
1108         * testsuite/Makefile.in: Regenerate.
1109         * testsuite/common_test_1_v1.c: New source file.
1110         * testsuite/common_test_1_v2.c: New source file.
1111         * testsuite/copy_test_v1.cc: New source file.
1112
1113 2011-06-07  Cary Coutant  <ccoutant@google.com>
1114
1115         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1116         update, allocate common from bss section's free list.
1117         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1118         linker-defined symbols.
1119         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1120         Skip GOT and PLT entries that are no longer referenced.
1121         (Output_section_incremental_inputs::write_info_blocks): Mark
1122         linker-defined symbols.
1123         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1124         * output.cc (Output_section::allocate): New function.
1125         * output.h (Output_section::allocate): New function.
1126         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1127         linker-defined symbols.
1128         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1129         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1130         (Symbol::init_base_output_data): Likewise.
1131         (Symbol::init_base_output_segment): Likewise.
1132         (Symbol::init_base_constant): Likewise.
1133         (Sized_symbol::init_output_data): Likewise.
1134         (Sized_symbol::init_output_segment): Likewise.
1135         (Sized_symbol::init_constant): Likewise.
1136         (Symbol_table::do_define_in_output_data): Likewise.
1137         (Symbol_table::do_define_in_output_segment): Likewise.
1138         (Symbol_table::do_define_as_constant): Likewise.
1139         * symtab.h (Symbol::is_predefined): New function.
1140         (Symbol::init_base_output_data): Add is_predefined parameter.
1141         (Symbol::init_base_output_segment): Likewise.
1142         (Symbol::init_base_constant): Likewise.
1143         (Symbol::is_predefined_): New data member.
1144         (Sized_symbol::init_output_data): Add is_predefined parameter.
1145         (Sized_symbol::init_output_segment): Likewise.
1146         (Sized_symbol::init_constant): Likewise.
1147         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1148
1149 2011-06-07  Cary Coutant  <ccoutant@google.com>
1150
1151         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1152         instead of emit_copy_reloc.
1153         (Copy_relocs::emit_copy_reloc): Refactor.
1154         (Copy_relocs::make_copy_reloc): New function.
1155         (Copy_relocs::add_copy_reloc): Remove.
1156         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1157         section.
1158         (Copy_relocs::make_copy_reloc): New function.
1159         (Copy_relocs::add_copy_reloc): Remove.
1160         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1161         unchanged input files.
1162         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1163         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1164         Reserve BSS space for COPY relocations.
1165         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1166         (Output_section_incremental_inputs::write_info_blocks): Record
1167         whether a symbol is copied from a shared object.
1168         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1169         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1170         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1171         (Incremental_input_entry_reader::get_output_symbol_index): Add
1172         is_copy parameter.
1173         (Incremental_binary::emit_copy_relocs): New function.
1174         (Incremental_binary::do_emit_copy_relocs): New function.
1175         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1176         new data member.
1177         (Sized_incremental_binary::add_copy_reloc): New function.
1178         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1179         (Sized_incremental_binary::Copy_reloc): New struct.
1180         (Sized_incremental_binary::Copy_relocs): New typedef.
1181         (Sized_incremental_binary::copy_relocs_): New data member.
1182         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1183         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1184         * target.h (Sized_target::emit_copy_reloc): New function.
1185         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1186
1187 2011-06-02  Cary Coutant  <ccoutant@google.com>
1188
1189         PR gold/12163
1190         * gold/archive.cc (Archive::Archive): Initialize new data member.
1191         (Archive::include_all_members): Return if archive has already been
1192         included.
1193         * gold/archive.h (Archive::include_all_members_): New data member.
1194
1195 2011-06-02  Nick Clifton  <nickc@redhat.com>
1196
1197         * dynobj.h: Fix spelling mistake in comment.
1198         * output.cc: Likewise.
1199
1200 2011-05-31  Doug Kwan  <dougkwan@google.com>
1201             Asier Llano
1202
1203         PR gold/12826
1204         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1205         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1206         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1207         redundant arm_exidx_test.so.
1208         * testsuite/Makefile.in: Regenerate.
1209         (check_SCRIPTS): Add pr12826.sh
1210         (check_DATA): Add pr12826.stdout
1211         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1212         * testsuite/pr12826.sh: New file.
1213         * testsuite/pr12826_1.s: Ditto.
1214         * testsuite/pr12826_1.s: Ditto.
1215
1216 2011-05-30  Ian Lance Taylor  <iant@google.com>
1217
1218         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1219         sections.
1220
1221 2011-05-29  Ian Lance Taylor  <iant@google.com>
1222
1223         PR gold/12804
1224         * testsuite/Makefile.am: Use different file name for two_file_test
1225         temporary file for each incremental test.
1226         * testsuite/Makefile.in: Rebuild.
1227
1228 2011-05-29  Ian Lance Taylor  <iant@google.com>
1229
1230         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1231         binary input file is empty.
1232
1233 2011-05-27  Ian Lance Taylor  <iant@google.com>
1234
1235         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1236         (ver_test_9.so): Likewise.
1237         * testsuite/Makefile.in: Rebuild.
1238
1239 2011-05-26 Cary Coutant  <ccoutant@google.com>
1240
1241         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1242         * incremental.cc (Incremental_inputs::report_input_section): Fix
1243         comment, indentation.
1244         (Incremental_inputs::report_comdat_group): New function.
1245         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1246         of data for incremental input file entry.
1247         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1248         group count, COMDAT group signatures.
1249         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1250         an unchanged input file.
1251         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1252         Initialize new data member.
1253         (Incremental_object_entry::add_comdat_group): New function.
1254         (Incremental_object_entry::get_comdat_group_count): New function.
1255         (Incremental_object_entry::get_comdat_signature_key): New function.
1256         (Incremental_object_entry::groups_): New data member.
1257         (Incremental_inputs::report_comdat_group): New function.
1258         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1259         data for incremental input file entry.
1260         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1261         (Incremental_input_entry_reader::get_input_section): Adjust size of
1262         data for incremental input file entry.
1263         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1264         (Incremental_input_entry_reader::get_comdat_group_signature): New
1265         function.
1266         * object.cc (Sized_relobj::include_section_group): Report kept
1267         COMDAT groups for incremental links.
1268
1269 2011-05-24  David Meyer  <pdox@google.com>
1270
1271         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1272         with name parameter.  Add found_name parameter.
1273         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1274         * dirsearch.h (class Dirsearch): Update declaration.
1275
1276 2011-05-24  Ian Lance Taylor  <iant@google.com>
1277
1278         * archive.cc (Library_base::should_include_member): Pull in object
1279         from archive if it defines the entry symbol.
1280         * parameters.cc (Parameters::entry): New function.
1281         * parameters.h (class Parameters): Declare entry.
1282         * output.h (class Output_file_header): Remove entry_ field.
1283         * output.cc (Output_file_header::Output_file_header): Remove entry
1284         parameter.  Change all callers.
1285         (Output_file_header::entry): Use parameters->entry.
1286         * gold.cc (queue_middle_tasks): Likewise.
1287         * plugin.cc (Plugin_hook::run): Likewise.
1288
1289 2011-05-24 Cary Coutant  <ccoutant@google.com>
1290
1291         * gold.cc (queue_initial_tasks): Pass incremental base filename
1292         to Output_file::open_base_file; don't print error message.
1293         * incremental-dump.cc (main): Adjust call to
1294         Output_file::open_for_modification.
1295         * incremental-dump.cc (main): Likewise.
1296         * incremental.cc (Incremental_inputs::report_command_line):
1297         Ignore --incremental-base option when comparing command lines.
1298         Ignore parameter when given as separate argument.
1299         * options.h (class General_options): Add --incremental-base.
1300         * output.cc (Output_file::Output_file):
1301         (Output_file::open_base_file): Add base_name and writable parameters;
1302         read base file into new file; print error message here.
1303         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1304         callers.
1305         * output.h (Output_file::open_for_modification): Rename to...
1306         (Output_file::open_base_file): ...this; add base_name and
1307         writable parameters; adjust all callers.
1308         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1309         callers.
1310         * testsuite/Makefile.am (incremental_test_4): Test
1311         --incremental-base.
1312         * testsuite/Makefile.in: Regenerate.
1313
1314 2011-05-24 Cary Coutant  <ccoutant@google.com>
1315
1316         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1317         incremental_test_4.
1318         * testsuite/Makefile.in: Regenerate.
1319         * testsuite/two_file_test_1_v1.cc: New test source file.
1320         * testsuite/two_file_test_1b_v1.cc: New test source file.
1321         * testsuite/two_file_test_2_v1.cc: New test source file.
1322
1323 2011-05-24 Cary Coutant  <ccoutant@google.com>
1324
1325         * dynobj.h (Dynobj::do_dynobj): New function.
1326         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1327         flag and soname for shared objects.
1328         * incremental.cc (Incremental_inputs::report_object): Make
1329         either Incremental_object_entry or Incremental_dynobj_entry; add
1330         soname to string table.
1331         (Incremental_inputs::report_input_section): Add assertion.
1332         (Output_section_incremental_inputs::set_final_data_size): Adjust
1333         type of input file entry for shared libraries; adjust size of
1334         shared library info entry.
1335         (Output_section_incremental_inputs::write_input_files): Write
1336         as_needed flag for shared libraries.
1337         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1338         of input file entry for shared libraries; write soname.
1339         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1340         soname from incremental info.
1341         * incremental.h (enum Incremental_input_flags): Add
1342         INCREMENTAL_INPUT_AS_NEEDED.
1343         (Incremental_input_entry::Incremental_input_entry): Initialize new
1344         data member.
1345         (Incremental_input_entry::set_as_needed): New function.
1346         (Incremental_input_entry::as_needed): New function.
1347         (Incremental_input_entry::do_dynobj_entry): New function.
1348         (Incremental_input_entry::as_needed_): New data member.
1349         (Incremental_object_entry::Incremental_object_entry): Don't check
1350         for shared library.
1351         (Incremental_object_entry::do_type): Likewise.
1352         (class Incremental_dynobj_entry): New class.
1353         (Incremental_input_entry_reader::as_needed): New function.
1354         (Incremental_input_entry_reader::get_soname): New function.
1355         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1356         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1357         size of shared library info entry.
1358         * layout.cc (Layout::finish_dynamic_section): Don't test for
1359         incremental link when adding DT_NEEDED entries.
1360         * object.h (Object::Object): Initialize new data member.
1361         (Object::dynobj): New function.
1362         (Object::set_as_needed): New function.
1363         (Object::as_needed): New function.
1364         (Object::do_dynobj): New function.
1365         (Object::as_needed_): New data member.
1366
1367 2011-05-24 Cary Coutant  <ccoutant@google.com>
1368
1369         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1370         info; adjust display of GOT entries.
1371         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1372         vector of input objects; remove file_status_.
1373         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1374         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1375         got_plt reader; call target hooks to reserve GOT entries.
1376         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1377         of input file info header and GOT info entry.
1378         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1379         relocation info.
1380         (Got_plt_view_info::got_descriptor): Remove.
1381         (Got_plt_view_info::sym_index): New data member.
1382         (Got_plt_view_info::input_index): New data member.
1383         (Local_got_offset_visitor::visit): Write input file index.
1384         (Global_got_offset_visitor::visit): Write 0 for input file index.
1385         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1386         with sym_index and input_index.
1387         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1388         incremental info GOT entry; replace got_descriptor with input_index.
1389         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1390         map from input file index to object.
1391         (Sized_relobj_incr::do_layout): Replace direct data member reference
1392         with accessor function.
1393         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1394         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1395         Adjust size of input file info header.
1396         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1397         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1398         (Incremental_input_entry_reader::get_input_section): Adjust size of
1399         input file info header.
1400         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1401         of incremental info GOT entry.
1402         (Incremental_got_plt_reader::get_got_desc): Remove.
1403         (Incremental_got_plt_reader::get_got_symndx): New function.
1404         (Incremental_got_plt_reader::get_got_input_index): New function.
1405         (Sized_incremental_binary::Sized_incremental_binary): Remove
1406         file_status_; add input_objects_.
1407         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1408         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1409         (Sized_incremental_binary::file_is_unchanged): Remove.
1410         (Sized_incremental_binary::set_input_object): New function.
1411         (Sized_incremental_binary::input_object): New function.
1412         (Sized_incremental_binary::file_status_): Remove.
1413         (Sized_incremental_binary::input_objects_): New data member.
1414         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1415         references.
1416         (Sized_relobj_incr::invalid_address): Move to base class.
1417         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1418         class.
1419         (Sized_relobj_incr::do_output_section_offset): Likewise.
1420         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1421         (Sized_relobj_incr::section_offsets_): Likewise.
1422         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1423         function.
1424         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1425         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1426         with accessor function.
1427         (Sized_relobj_file::do_layout): Likewise.
1428         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1429         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1430         (Sized_relobj_file::compute_final_local_value): Replace refs to
1431         section_offsets_ with accessor function.
1432         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1433         * object.h (Relobj::Relobj): Initialize new data members.
1434         (Relobj::add_dyn_reloc): New function.
1435         (Relobj::first_dyn_reloc): New function.
1436         (Relobj::dyn_reloc_count): New function.
1437         (Relobj::first_dyn_reloc_): New data member.
1438         (Relobj::dyn_reloc_count_): New data member.
1439         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1440         references.
1441         (Sized_relobj::Address): New typedef.
1442         (Sized_relobj::invalid_address): Move here from child class.
1443         (Sized_relobj::Sized_relobj): Initialize new data members.
1444         (Sized_relobj::sized_relobj): New function.
1445         (Sized_relobj::is_output_section_offset_invalid): Move here from
1446         child class.
1447         (Sized_relobj::get_output_section_offset): Likewise.
1448         (Sized_relobj::local_has_got_offset): Likewise.
1449         (Sized_relobj::local_got_offset): Likewise.
1450         (Sized_relobj::set_local_got_offset): Likewise.
1451         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1452         (Sized_relobj::clear_got_offsets): New function.
1453         (Sized_relobj::section_offsets): Move here from child class.
1454         (Sized_relobj::do_output_section_offset): Likewise.
1455         (Sized_relobj::do_set_section_offset): Likewise.
1456         (Sized_relobj::Local_got_offsets): Likewise.
1457         (Sized_relobj::local_got_offsets_): Likewise.
1458         (Sized_relobj::section_offsets_): Likewise.
1459         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1460         references.
1461         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1462         class.
1463         (Sized_relobj_file::sized_relobj): New function
1464         (Sized_relobj_file::local_has_got_offset): Move to base class.
1465         (Sized_relobj_file::local_got_offset): Likewise.
1466         (Sized_relobj_file::set_local_got_offset): Likewise.
1467         (Sized_relobj_file::get_output_section_offset): Likewise.
1468         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1469         (Sized_relobj_file::do_output_section_offset): Likewise.
1470         (Sized_relobj_file::do_set_section_offset): Likewise.
1471         (Sized_relobj_file::Local_got_offsets): Likewise.
1472         (Sized_relobj_file::local_got_offsets_): Likewise.
1473         (Sized_relobj_file::section_offsets_): Likewise.
1474         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1475         (all constructors).
1476         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1477         (Output_reloc::get_symbol_index): Likewise.
1478         (Output_reloc::local_section_offset): Likewise.
1479         (Output_reloc::get_address): Likewise.
1480         (Output_reloc::symbol_value): Likewise.
1481         (Output_data_got::reserve_slot): Move to class definition.
1482         (Output_data_got::reserve_local): New function.
1483         (Output_data_got::reserve_slot_for_global): Remove.
1484         (Output_data_got::reserve_global): New function.
1485         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1486         (all constructors, two instantiations).
1487         (Output_reloc::get_relobj): New function (two instantiations).
1488         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1489         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1490         (Output_data_reloc::add_global): Adjust type of relobj.
1491         (Output_data_reloc::add_global_relative): Likewise.
1492         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1493         (Output_data_reloc::add_local): Likewise.
1494         (Output_data_reloc::add_local_relative): Likewise.
1495         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1496         (Output_data_reloc::add_local_section): Likewise.
1497         (Output_data_reloc::add_output_section): Likewise.
1498         (Output_data_reloc::add_absolute): Likewise.
1499         (Output_data_reloc::add_target_specific): Likewise.
1500         (Output_data_got::reserve_slot): Move definition here.
1501         (Output_data_got::reserve_local): New function.
1502         (Output_data_got::reserve_global): New function.
1503         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1504         section_offsets_ with accessor function.
1505         (Sized_relobj_file::write_sections): Likewise.
1506         (Sized_relobj_file::do_relocate_sections): Likewise.
1507         * target.h (Sized_target::reserve_local_got_entry): New function.
1508         (Sized_target::reserve_global_got_entry): New function.
1509         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1510         (Target_x86_64::reserve_global_got_entry): New function.
1511         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1512
1513 2011-05-23 Cary Coutant  <ccoutant@google.com>
1514
1515         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1516         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1517         bit when checking got_type.
1518         * incremental.cc (Sized_incremental_binary::setup_readers):
1519         Store symbol table and string table locations; initialize bit vector
1520         of file status flags.
1521         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1522         unchanged files.
1523         (Sized_incremental_binary::do_process_got_plt): New function.
1524         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1525         (Output_section_incremental_inputs::set_final_data_size): Record
1526         file index for each input file.
1527         (Output_section_incremental_inputs::write_got_plt): Store file index
1528         instead of input entry offset for each GOT entry.
1529         * incremental.h
1530         (Incremental_input_entry::Incremental_input_entry): Initialize new
1531         data member.
1532         (Incremental_input_entry::set_offset): Store file index.
1533         (Incremental_input_entry::get_file_index): New function.
1534         (Incremental_input_entry::file_index_): New data member.
1535         (Incremental_binary::process_got_plt): New function.
1536         (Incremental_binary::do_process_got_plt): New function.
1537         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1538         data members.
1539         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1540         (Sized_incremental_binary::set_file_is_unchanged): New function.
1541         (Sized_incremental_binary::file_is_unchanged): New function.
1542         (Sized_incremental_binary::do_process_got_plt): New function.
1543         (Sized_incremental_binary::file_status_): New data member.
1544         (Sized_incremental_binary::main_symtab_loc_): New data member.
1545         (Sized_incremental_binary::main_strtab_loc_): New data member.
1546         * output.cc (Output_data_got::Got_entry::write): Add case
1547         RESERVED_CODE.
1548         (Output_data_got::add_global): Call add_got_entry.
1549         (Output_data_got::add_global_plt): Likewise.
1550         (Output_data_got::add_global_with_rel): Likewise.
1551         (Output_data_got::add_global_with_rela): Likewise.
1552         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1553         (Output_data_got::add_global_pair_with_rela): Likewise.
1554         (Output_data_got::add_local): Call add_got_entry.
1555         (Output_data_got::add_local_plt): Likewise.
1556         (Output_data_got::add_local_with_rel): Likewise.
1557         (Output_data_got::add_local_with_rela): Likewise.
1558         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1559         (Output_data_got::add_local_pair_with_rela): Likewise.
1560         (Output_data_got::reserve_slot): New function.
1561         (Output_data_got::reserve_slot_for_global): New function.
1562         (Output_data_got::add_got_entry): New function.
1563         (Output_data_got::add_got_entry_pair): New function.
1564         (Output_section::add_output_section_data): Edit FIXME.
1565         * output.h
1566         (Output_section_data_build::Output_section_data_build): New
1567         constructor with size parameter.
1568         (Output_data_space::Output_data_space): Likewise.
1569         (Output_data_got::Output_data_got): Initialize new data member; new
1570         constructor with size parameter.
1571         (Output_data_got::add_constant): Call add_got_entry.
1572         (Output_data_got::reserve_slot): New function.
1573         (Output_data_got::reserve_slot_for_global): New function.
1574         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1575         (Output_data_got::add_got_entry): New function.
1576         (Output_data_got::add_got_entry_pair): New function.
1577         (Output_data_got::free_list_): New data member.
1578         * target.h (Sized_target::init_got_plt_for_update): New function.
1579         (Sized_target::register_global_plt_entry): New function.
1580         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1581         Initialize new data member; call init; add constructor with PLT count.
1582         (Output_data_plt_x86_64::init): New function.
1583         (Output_data_plt_x86_64::add_relocation): New function.
1584         (Output_data_plt_x86_64::reserve_slot): New function.
1585         (Output_data_plt_x86_64::free_list_): New data member.
1586         (Target_x86_64::init_got_plt_for_update): New function.
1587         (Target_x86_64::register_global_plt_entry): New function.
1588         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1589         incremental updates.
1590         (Output_data_plt_x86_64::add_relocation): New function.
1591         * testsuite/object_unittest.cc (Object_test): Set default options.
1592
1593 2011-05-16  Ian Lance Taylor  <iant@google.com>
1594
1595         * options.h (class General_options): Make -i a synonym for -r.
1596
1597 2011-05-16  Ian Lance Taylor  <iant@google.com>
1598
1599         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1600
1601 2011-05-10 Cary Coutant  <ccoutant@google.com>
1602
1603         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1604         strip_all (-s).
1605
1606 2011-05-06  Ian Lance Taylor  <iant@google.com>
1607
1608         * layout.cc (Layout::layout): If the output section flags change,
1609         update the ordering.
1610
1611 2011-04-25 Cary Coutant  <ccoutant@google.com>
1612
1613         * incremental-dump.cc (dump_incremental_inputs): Print local
1614         symbol info for each input file.
1615         * incremental.cc
1616         (Output_section_incremental_inputs::set_final_data_size): Add local
1617         symbol info to input file entries in incremental info.
1618         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1619         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1620         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1621         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1622         implementation.
1623         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1624         (Sized_incr_relobj::do_relocate): Write the local symbols.
1625         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1626         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1627         Adjust size of input file header.
1628         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1629         (Incremental_inputs_reader::get_local_symbol_count): New function.
1630         (Incremental_inputs_reader::get_input_section): Adjust size of input
1631         file header.
1632         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1633         (Sized_incr_relobj::This): New typedef.
1634         (Sized_incr_relobj::sym_size): New const data member.
1635         (Sized_incr_relobj::Local_symbol): New struct.
1636         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1637         (Sized_incr_relobj::do_local_symbol_offset): New function.
1638         (Sized_incr_relobj::local_symbol_count_): New data member.
1639         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1640         (Sized_incr_relobj::local_symbol_index_): New data member.
1641         (Sized_incr_relobj::local_symbol_offset_): New data member.
1642         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1643         (Sized_incr_relobj::local_symbols_): New data member.
1644         * object.h (Relobj::output_local_symbol_count): New function.
1645         (Relobj::local_symbol_offset): New function.
1646         (Relobj::do_output_local_symbol_count): New function.
1647         (Relobj::do_local_symbol_offset): New function.
1648         (Sized_relobj::do_output_local_symbol_count): New function.
1649         (Sized_relobj::do_local_symbol_offset): New function.
1650
1651 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1652
1653         * descriptors.cc (set_close_on_exec): New function.
1654         (Descriptors::open): Use set_close_on_exec.
1655         * output.cc (S_ISLNK): Define if not defined.
1656
1657 2011-04-22 Cary Coutant  <ccoutant@google.com>
1658
1659         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1660         global symbol map.
1661         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1662         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1663         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1664         relocations.
1665         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1666         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1667         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1668         * incremental.h
1669         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1670         function.
1671         (Incremental_binary::apply_incremental_relocs): New function.
1672         (Incremental_binary::do_apply_incremental_relocs): New function.
1673         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1674         data member.
1675         (Sized_incremental_binary::add_global_symbol): New function.
1676         (Sized_incremental_binary::global_symbol): New function.
1677         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1678         (Sized_incremental_binary::symbol_map_): New data member.
1679         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1680         * target.h (Sized_target::apply_relocation): New function.
1681         * target-reloc.h (apply_relocation): New function.
1682         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1683
1684 2011-04-22  Doug Kwan  <dougkwan@google.com>
1685
1686         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1687         flag of a SHT_ARM_EXIDX section.
1688         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1689         * testsuite/Makefile.in: Regenerate.
1690         * testsuite/arm_exidx_test.s: New file.
1691         * testsuite/arm_exidx_test.sh: Same.
1692
1693 2011-04-20 Cary Coutant  <ccoutant@google.com>
1694
1695         PR gold/12689
1696         * archive.h (Incremental_archive_entry::Archive_member):
1697         Initialize arg_serial_ (second constructor).
1698
1699 2011-04-17  Ian Lance Taylor  <iant@google.com>
1700
1701         * object.cc (Relocate_info::location): Simplify location string.
1702         * errors.cc (Errors::error_at_location): Don't print program
1703         name.
1704         (Errors::warning_at_location): Likewise.
1705         (Errors::undefined_symbol): Likewise.
1706         * testsuite/debug_msg.sh: Update accordingly.
1707
1708 2011-04-14 Cary Coutant  <ccoutant@google.com>
1709
1710         * gold/layout.cc (Layout::symtab_section_offset): New function.
1711         * gold/layout.h (Layout::symtab_section_offset): New function.
1712         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1713
1714 2011-04-12  Ian Lance Taylor  <iant@google.com>
1715
1716         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1717         with MREMAP_MAYMOVE.
1718         * output.h (class Output_file): Add map_is_allocated_ field.
1719         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1720         not available, provide stubs.  If mremap is not available, #define
1721         it to gold_mremap.
1722         (MREMAP_MAYMOVE): Define if not defined.
1723         (Output_file::Output_file): Initialize map_is_allocated_.
1724         (Output_file::resize): Check map_is_allocated_.
1725         (Output_file::map_anonymous): If mmap fails, use malloc.
1726         (Output_file::unmap): Don't do anything for an anonymous map.
1727         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1728         is not available, provide stubs.
1729         (File_read::View::~View): Use free rather than delete[].
1730         (File_read::make_view): Use malloc rather than new[].  If mmap
1731         fails, use malloc.
1732         (File_read::find_or_make_view): Use malloc rather than new[].
1733         * gold.h: Remove HAVE_REMAP code.
1734         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1735         exists.  Rename mremap to gold_mremap.  If mmap is not available
1736         don't do anything.
1737         * configure, config.in: Rebuild.
1738
1739 2011-04-11  Ian Lance Taylor  <iant@google.com>
1740
1741         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1742         initialize local variable v.
1743
1744 2011-04-11  Cary Coutant  <ccoutant@google.com>
1745
1746         * archive.cc (Archive::include_member): Adjust call to
1747         report_object.
1748         (Add_archive_symbols::run): Track argument serial numbers.
1749         (Lib_group::include_member): Likewise.
1750         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1751         * archive.h (Incremental_archive_entry::Archive_member):
1752         Initialize arg_serial_.
1753         (Archive_member::arg_serial_): New data member.
1754         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1755         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1756         incremental link.
1757         (Sized_dynobj::do_for_all_local_got_entries): New function.
1758         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1759         function.
1760         * fileread.cc (get_mtime): New function.
1761         * fileread.h (get_mtime): New function.
1762         * gold.cc (queue_initial_tasks): Check for incremental update.
1763         (process_incremental_input): New function.
1764         (queue_middle_tasks): Don't force valid target for incremental
1765         update.
1766         * incremental-dump.cc (find_input_containing_global): Adjust
1767         size of symbol info entry.
1768         (dump_incremental_inputs): Dump argument serial number and
1769         in_system_directory flag; bias shndx by 1; print symbol names
1770         when dumping per-file symbol lists; use new symbol info readers.
1771         * incremental.cc
1772         (Output_section_incremental_inputs:update_data_size): New function.
1773         (Sized_incremental_binary::setup_readers): Setup input readers
1774         for each input file; build maps for files added from libraries
1775         and scripts.
1776         (Sized_incremental_binary::check_input_args): New function.
1777         (Sized_incremental_binary::do_check_inputs): Build map of argument
1778         serial numbers to input arguments.
1779         (Sized_incremental_binary::do_file_has_changed): Rename
1780         do_file_is_unchanged to this; compare file modification times.
1781         (Sized_incremental_binary::do_init_layout): New function.
1782         (Sized_incremental_binary::do_reserve_layout): New function.
1783         (Sized_incremental_binary::do_get_input_reader): Remove.
1784         (Sized_incremental_binary::get_symtab_view): New function.
1785         (Incremental_checker::can_incrementally_link_output_file): Remove.
1786         (Incremental_inputs::report_command_line): Exclude --debug options.
1787         (Incremental_inputs::report_archive_begin): Add parameter; track
1788         argument serial numbers; don't put input file entry for archive
1789         before archive members.
1790         (Incremental_inputs::report_archive_end): Put input file entry
1791         for archive after archive members.
1792         (Incremental_inputs::report_object): Add parameter; track argument
1793         serial numbers and in_system_directory flag.
1794         (Incremental_inputs::report_script): Add parameter; track argument
1795         serial numbers.
1796         (Output_section_incremental_inputs::set_final_data_size): Adjust
1797         size of symbol info entry; check for forwarding symbols.
1798         (Output_section_incremental_inputs::write_input_files): Write
1799         in_system_directory flag and argument serial number.
1800         (Output_section_incremental_inputs::write_info_blocks): Map section
1801         indices between incremental info and original input file; store
1802         input section index for each symbol.
1803         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1804         change operator() to visit().
1805         (class Global_got_offset_visitor): Likewise.
1806         (class Global_symbol_visitor_got_plt):
1807         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1808         classes.
1809         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1810         (Sized_incr_relobj::do_read_symbols): New function.
1811         (Sized_incr_relobj::do_layout): New function.
1812         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1813         (Sized_incr_relobj::do_add_symbols): New function.
1814         (Sized_incr_relobj::do_should_include_member): New function.
1815         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1816         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1817         (Sized_incr_relobj::do_section_size): New function.
1818         (Sized_incr_relobj::do_section_name): New function.
1819         (Sized_incr_relobj::do_section_contents): New function.
1820         (Sized_incr_relobj::do_section_flags): New function.
1821         (Sized_incr_relobj::do_section_entsize): New function.
1822         (Sized_incr_relobj::do_section_address): New function.
1823         (Sized_incr_relobj::do_section_type): New function.
1824         (Sized_incr_relobj::do_section_link): New function.
1825         (Sized_incr_relobj::do_section_info): New function.
1826         (Sized_incr_relobj::do_section_addralign): New function.
1827         (Sized_incr_relobj::do_initialize_xindex): New function.
1828         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1829         (Sized_incr_relobj::do_read_relocs): New function.
1830         (Sized_incr_relobj::do_gc_process_relocs): New function.
1831         (Sized_incr_relobj::do_scan_relocs): New function.
1832         (Sized_incr_relobj::do_count_local_symbols): New function.
1833         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1834         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1835         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1836         (Sized_incr_relobj::do_relocate): New function.
1837         (Sized_incr_relobj::do_set_section_offset): New function.
1838         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1839         (Sized_incr_dynobj::do_read_symbols): New function.
1840         (Sized_incr_dynobj::do_layout): New function.
1841         (Sized_incr_dynobj::do_add_symbols): New function.
1842         (Sized_incr_dynobj::do_should_include_member): New function.
1843         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1844         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1845         (Sized_incr_dynobj::do_section_size): New function.
1846         (Sized_incr_dynobj::do_section_name): New function.
1847         (Sized_incr_dynobj::do_section_contents): New function.
1848         (Sized_incr_dynobj::do_section_flags): New function.
1849         (Sized_incr_dynobj::do_section_entsize): New function.
1850         (Sized_incr_dynobj::do_section_address): New function.
1851         (Sized_incr_dynobj::do_section_type): New function.
1852         (Sized_incr_dynobj::do_section_link): New function.
1853         (Sized_incr_dynobj::do_section_info): New function.
1854         (Sized_incr_dynobj::do_section_addralign): New function.
1855         (Sized_incr_dynobj::do_initialize_xindex): New function.
1856         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1857         (make_sized_incremental_object): New function.
1858         (Incremental_library::copy_unused_symbols): New function.
1859         (Incremental_library::do_for_all_unused_symbols): New function.
1860         * incremental.h (enum Incremental_input_flags): New type.
1861         (class Incremental_checker): Remove.
1862         (Incremental_input_entry::Incremental_input_entry): Add argument
1863         serial number.
1864         (Incremental_input_entry::arg_serial): New function.
1865         (Incremental_input_entry::set_is_in_system_directory): New function.
1866         (Incremental_input_entry::is_in_system_directory): New function.
1867         (Incremental_input_entry::arg_serial_): New data member.
1868         (Incremental_input_entry::is_in_system_directory_): New data member.
1869         (class Script_info): Move here from script.h.
1870         (Script_info::Script_info): Add filename parameter.
1871         (Script_info::filename): New function.
1872         (Script_info::filename_): New data member.
1873         (Incremental_script_entry::Incremental_script_entry): Add argument
1874         serial number.
1875         (Incremental_object_entry::Incremental_object_entry): Likewise.
1876         (Incremental_object_entry::add_input_section): Build list of input
1877         sections with map to original shndx.
1878         (Incremental_object_entry::get_input_section_index): New function.
1879         (Incremental_object_entry::shndx_): New data member.
1880         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1881         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1882         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1883         serial number.
1884         (Incremental_inputs::report_archive_begin): Likewise.
1885         (Incremental_inputs::report_object): Likewise.
1886         (Incremental_inputs::report_script): Likewise.
1887         (class Incremental_global_symbol_reader): New class.
1888         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1889         and store flags and input file type.
1890         (Incremental_input_entry_reader::arg_serial): New function.
1891         (Incremental_input_entry_reader::type): Extract type from flags.
1892         (Incremental_input_entry_reader::is_in_system_directory): New function.
1893         (Incremental_input_entry_reader::get_input_section_count): Call
1894         accessor function for type.
1895         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1896         function for type; adjust size of global symbol entry.
1897         (Incremental_input_entry_reader::get_global_symbol_count): Call
1898         accessor function for type.
1899         (Incremental_input_entry_reader::get_object_count): Likewise.
1900         (Incremental_input_entry_reader::get_object_offset): Likewise.
1901         (Incremental_input_entry_reader::get_member_count): Likewise.
1902         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1903         (Incremental_input_entry_reader::get_member_offset): Likewise.
1904         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1905         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1906         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1907         (Incremental_input_entry_reader::get_global_symbol_reader): New
1908         function.
1909         (Incremental_input_entry_reader::get_output_symbol_index): New
1910         function.
1911         (Incremental_input_entry_reader::type_): Remove.
1912         (Incremental_input_entry_reader::flags_): New data member.
1913         (Incremental_inputs_reader::input_file_offset): New function.
1914         (Incremental_inputs_reader::input_file_index): New function.
1915         (Incremental_inputs_reader::input_file): Call input_file_offset.
1916         (Incremental_inputs_reader::input_file_at_offset): New function.
1917         (Incremental_relocs_reader::get_r_type): Reformat.
1918         (Incremental_relocs_reader::get_r_shndx): Reformat.
1919         (Incremental_relocs_reader::get_r_offset): Reformat.
1920         (Incremental_relocs_reader::data): New function.
1921         (Incremental_binary::Incremental_binary): Initialize new data members.
1922         (Incremental_binary::check_inputs): Add cmdline parameter.
1923         (Incremental_binary::file_is_unchanged): Remove.
1924         (Input_reader::arg_serial): New function.
1925         (Input_reader::get_unused_symbol_count): New function.
1926         (Input_reader::get_unused_symbol): New function.
1927         (Input_reader::do_arg_serial): New function.
1928         (Input_reader::do_get_unused_symbol_count): New function.
1929         (Input_reader::do_get_unused_symbol): New function.
1930         (Incremental_binary::input_file_count): New function.
1931         (Incremental_binary::get_input_reader): Change signature to use
1932         index instead of filename.
1933         (Incremental_binary::file_has_changed): New function.
1934         (Incremental_binary::get_input_argument): New function.
1935         (Incremental_binary::get_library): New function.
1936         (Incremental_binary::get_script_info): New function.
1937         (Incremental_binary::init_layout): New function.
1938         (Incremental_binary::reserve_layout): New function.
1939         (Incremental_binary::output_file): New function.
1940         (Incremental_binary::do_check_inputs): New function.
1941         (Incremental_binary::do_file_is_unchanged): Remove.
1942         (Incremental_binary::do_file_has_changed): New function.
1943         (Incremental_binary::do_init_layout): New function.
1944         (Incremental_binary::do_reserve_layout): New function.
1945         (Incremental_binary::do_input_file_count): New function.
1946         (Incremental_binary::do_get_input_reader): Change signature.
1947         (Incremental_binary::input_args_map_): New data member.
1948         (Incremental_binary::library_map_): New data member.
1949         (Incremental_binary::script_map_): New data member.
1950         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1951         new data members.
1952         (Sized_incremental_binary::output_section): New function.
1953         (Sized_incremental_binary::inputs_reader): Add const.
1954         (Sized_incremental_binary::symtab_reader): Add const.
1955         (Sized_incremental_binary::relocs_reader): Add const.
1956         (Sized_incremental_binary::got_plt_reader): Add const.
1957         (Sized_incremental_binary::get_symtab_view): New function.
1958         (Sized_incremental_binary::Inputs_reader): New typedef.
1959         (Sized_incremental_binary::Input_entry_reader): New typedef.
1960         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1961         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1962         (Sized_incremental_binary::do_file_has_changed): New function.
1963         (Sized_incremental_binary::do_init_layout): New function.
1964         (Sized_incremental_binary::do_reserve_layout): New function.
1965         (Sized_input_reader::Inputs_reader): Remove.
1966         (Sized_input_reader::Input_entry_reader): Remove.
1967         (Sized_input_reader::do_arg_serial): New function.
1968         (Sized_input_reader::do_get_unused_symbol_count): New function.
1969         (Sized_input_reader::do_get_unused_symbol): New function.
1970         (Sized_incremental_binary::do_input_file_count): New function.
1971         (Sized_incremental_binary::do_get_input_reader): Change signature;
1972         use index instead of filename.
1973         (Sized_incremental_binary::section_map_): New data member.
1974         (Sized_incremental_binary::input_entry_readers_): New data member.
1975         (class Sized_incr_relobj): New class.
1976         (class Sized_incr_dynobj): New class.
1977         (make_sized_incremental_object): New function.
1978         (class Incremental_library): New class.
1979         * layout.cc (Free_list::num_lists): New static data member.
1980         (Free_list::num_nodes): New static data member.
1981         (Free_list::num_removes): New static data member.
1982         (Free_list::num_remove_visits): New static data member.
1983         (Free_list::num_allocates): New static data member.
1984         (Free_list::num_allocate_visits): New static data member.
1985         (Free_list::init): New function.
1986         (Free_list::remove): New function.
1987         (Free_list::allocate): New function.
1988         (Free_list::dump): New function.
1989         (Free_list::print_stats): New function.
1990         (Layout_task_runner::run): Resize output file for incremental updates.
1991         (Layout::Layout): Initialize new data members.
1992         (Layout::set_incremental_base): New function.
1993         (Layout::init_fixed_output_section): New function.
1994         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1995         incremental updates.
1996         (Layout::create_gold_note): Do not create gold note section for
1997         incremental updates.
1998         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1999         for incremental updates.
2000         (Layout::set_section_offsets): For incremental updates, allocate space
2001         from free list.
2002         (Layout::create_symtab_sections): Layout with offsets relative to
2003         start of section; for incremental updates, allocate space from free
2004         list.
2005         (Layout::create_shdrs): For incremental updates, allocate space from
2006         free list.
2007         (Layout::finish_dynamic_section): For incremental updates, do not
2008         check --as-needed (fixed in subsequent patch).
2009         * layout.h (class Free_list): New class.
2010         (Layout::set_incremental_base): New function.
2011         (Layout::incremental_base): New function.
2012         (Layout::init_fixed_output_section): New function.
2013         (Layout::allocate): New function.
2014         (Layout::incremental_base_): New data member.
2015         (Layout::free_list_): New data member.
2016         * main.cc (main): Print Free_list statistics.
2017         * object.cc (Relobj::finalize_incremental_relocs): Add
2018         clear_counts parameter; clear counts only when clear_counts is set.
2019         (Sized_relobj::Sized_relobj): Initialize new base class.
2020         (Sized_relobj::do_layout): Don't report special sections.
2021         (Sized_relobj::do_for_all_local_got_entries): New function.
2022         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2023         symtab_off to all symbol table offsets.
2024         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2025         * object.h (class Got_offset_list): Move to top of file.
2026         (Object::Object): Allow case where input_file == NULL.
2027         (Object::~Object): Likewise.
2028         (Object::input_file): Assert that input_file != NULL.
2029         (Object::lock): Allow case where input_file == NULL.
2030         (Object::unlock): Likewise.
2031         (Object::is_locked): Likewise.
2032         (Object::token): Likewise.
2033         (Object::release): Likewise.
2034         (Object::is_incremental): New function.
2035         (Object::get_mtime): New function.
2036         (Object::for_all_local_got_entries): New function.
2037         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2038         (Object::set_is_in_system_directory): New function.
2039         (Object::is_in_system_directory): New function.
2040         (Object::do_is_incremental): New function.
2041         (Object::do_get_mtime): New function.
2042         (Object::do_for_all_local_got_entries): New function.
2043         (Object::is_in_system_directory_): New data member.
2044         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2045         (class Sized_relobj_base): New class.
2046         (class Sized_relobj): Derive from Sized_relobj_base.
2047         (class Sized_relobj::Symbols): Redeclare from base class.
2048         (class Sized_relobj::local_got_offset_list): Remove.
2049         (class Sized_relobj::Output_sections): Redeclare from base class.
2050         (class Sized_relobj::do_for_all_local_got_entries): New function.
2051         (class Sized_relobj::write_local_symbols): Add offset parameter.
2052         (class Sized_relobj::local_symbol_offset_): Update comment.
2053         (class Sized_relobj::local_dynsym_offset_): Update comment.
2054         * options.cc (Input_arguments::add_file): Remove const.
2055         * options.h (Input_file_argument::Input_file_argument):
2056         Initialize arg_serial_ (all constructors).
2057         (Input_file_argument::set_arg_serial): New function.
2058         (Input_file_argument::arg_serial): New function.
2059         (Input_file_argument::arg_serial_): New data member.
2060         (Input_arguments::Input_arguments): Initialize file_count_.
2061         (Input_arguments::add_file): Remove const.
2062         (Input_arguments::number_of_input_files): New function.
2063         (Input_arguments::file_count_): New data member.
2064         (Command_line::number_of_input_files): Call
2065         Input_arguments::number_of_input_files.
2066         * output.cc (Output_segment_headers::Output_segment_headers):
2067         Set current size.
2068         (Output_section::Input_section::current_data_size): New function.
2069         (Output_section::Output_section): Initialize new data members.
2070         (Output_section::add_input_section): Don't do merge sections for
2071         an incremental link; allocate space from free list for an
2072         incremental update.
2073         (Output_section::add_output_section_data): Allocate space from
2074         free list for an incremental update.
2075         (Output_section::update_data_size): New function.
2076         (Output_section::set_fixed_layout): New function.
2077         (Output_section::reserve): New function.
2078         (Output_segment::set_section_addresses): Remove const.
2079         (Output_segment::set_section_list_addresses): Remove const; allocate
2080         space from free list for an incremental update.
2081         (Output_segment::set_offset): Adjust size of RELRO segment for an
2082         incremental update.
2083         * output.h (Output_data::current_data_size): Move here from
2084         child classes.
2085         (Output_data::pre_finalize_data_size): New function.
2086         (Output_data::update_data_size): New function.
2087         (Output_section_headers::update_data_size): new function.
2088         (Output_section_data_build::current_data_size): Move to Output_data.
2089         (Output_data_strtab::update_data_size): New function.
2090         (Output_section::current_data_size): Move to Output_data.
2091         (Output_section::set_fixed_layout): New function.
2092         (Output_section::has_fixed_layout): New function.
2093         (Output_section::reserve): New function.
2094         (Output_section::update_data_size): New function.
2095         (Output_section::has_fixed_layout_): New data member.
2096         (Output_section::free_list_): New data member.
2097         (Output_segment::set_section_addresses): Remove const.
2098         (Output_segment::set_section_list_addresses): Remove const.
2099         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2100         New function.
2101         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2102         New function.
2103         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2104         parameter when calling Add_symbols constructor; store argument
2105         serial number for members of a lib group.
2106         (Add_symbols::locks): Allow case where token == NULL.
2107         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2108         (Read_member::~Read_member): New function.
2109         (Read_member::is_runnable): New function.
2110         (Read_member::locks): New function.
2111         (Read_member::run): New function.
2112         (Check_script::~Check_script): New function.
2113         (Check_script::is_runnable): New function.
2114         (Check_script::locks): New function.
2115         (Check_script::run): New function.
2116         (Check_library::~Check_library): New function.
2117         (Check_library::is_runnable): New function.
2118         (Check_library::locks): New function.
2119         (Check_library::run): New function.
2120         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2121         (Add_symbols::library_): New data member.
2122         (class Read_member): New class.
2123         (class Check_script): New class.
2124         (class Check_library): New class.
2125         * reloc.cc (Read_relocs::is_runnable): Allow case where
2126         token == NULL.
2127         (Read_relocs::locks): Likewise.
2128         (Scan_relocs::locks): Likewise.
2129         (Relocate_task::locks): Likewise.
2130         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2131         to clear counters.
2132         (Sized_relobj::incremental_relocs_scan): Fix comment.
2133         (Sized_relobj::do_relocate): Pass output file offset to
2134         write_local_symbols.
2135         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2136         from class declaration.
2137         * script.cc (read_input_script): Allocate Script_info; pass
2138         argument serial number to report_script.
2139         * script.h (class Script_info): Move to incremental.h.
2140         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2141         * symtab.h (Symbol_table::add_from_incrobj): New function.
2142         (Symbol_table::set_file_offset): New function.
2143
2144 2011-04-05  Cary Coutant  <ccoutant@google.com>
2145
2146         * incremental-dump.cc (dump_incremental_inputs): Change signature
2147         to take a Sized_incremental_binary; change caller.  Use readers
2148         in Sized_incremental_binary.
2149         * incremental.cc
2150         (Sized_incremental_binary::find_incremental_inputs_sections):
2151         Rename do_find_incremental_inputs_sections to this.
2152         (Sized_incremental_binary::setup_readers): New function.
2153         (Sized_incremental_binary::do_check_inputs): Check
2154         has_incremental_info_ flag; move setup code to setup_readers;
2155         use input readers.
2156         (Sized_incremental_binary::do_file_is_unchanged): New function.
2157         (Sized_incremental_binary::do_get_input_reader): New function.
2158         * incremental.h (class Incremental_binary): Move to end of file.
2159         (Incremental_binary::file_is_unchanged): New function.
2160         (Incremental_binary::do_file_is_unchanged): New function.
2161         (Incremental_binary::Input_reader): New class.
2162         (Incremental_binary::get_input_reader): New function.
2163         (class Sized_incremental_binary): Move to end of file.
2164         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2165         input section reader classes.
2166         (Sized_incremental_binary::has_incremental_info): New function.
2167         (Sized_incremental_binary::inputs_reader): New function.
2168         (Sized_incremental_binary::symtab_reader): New function.
2169         (Sized_incremental_binary::relocs_reader): New function.
2170         (Sized_incremental_binary::got_plt_reader): New function.
2171         (Sized_incremental_binary::do_file_is_unchanged): New function.
2172         (Sized_incremental_binary::Sized_input_reader): New class.
2173         (Sized_incremental_binary::get_input_reader): New function.
2174         (Sized_incremental_binary::find_incremental_inputs_sections):
2175         Rename do_find_incremental_inputs_sections to this.
2176         (Sized_incremental_binary::setup_readers): New function.
2177         (Sized_incremental_binary::has_incremental_info_): New data member.
2178         (Sized_incremental_binary::inputs_reader_): New data member.
2179         (Sized_incremental_binary::symtab_reader_): New data member.
2180         (Sized_incremental_binary::relocs_reader_): New data member.
2181         (Sized_incremental_binary::got_plt_reader_): New data member.
2182         (Sized_incremental_binary::current_input_file_): New data member.
2183
2184 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2185
2186         PR gold/12640
2187         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2188         violation.
2189
2190 2011-03-30  Cary Coutant  <ccoutant@google.com>
2191
2192         * archive.cc (Archive::include_member): Adjust call to report_object.
2193         (Add_archive_symbols::run): Add script_info to call to
2194         report_archive_begin.
2195         (Lib_group::include_member): Adjust call to report_object.
2196         (Add_lib_group_symbols::run): Adjust call to report_object.
2197         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2198         blocks.  Add object count for script input files.
2199         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2200         script_info parameter; change all callers.
2201         (Incremental_inputs::report_object): Add script_info parameter;
2202         change all callers.
2203         (Incremental_inputs::report_script): Store backpointer to
2204         incremental info entry.
2205         (Output_section_incremental_inputs::set_final_data_size): Record
2206         additional information for scripts.
2207         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2208         * incremental.h (Incremental_script_entry::add_object): New function.
2209         (Incremental_script_entry::get_object_count): New function.
2210         (Incremental_script_entry::get_object): New function.
2211         (Incremental_script_entry::objects_): New data member; adjust
2212         constructor.
2213         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2214         (Incremental_inputs::report_object): Add script_info parameter.
2215         (Incremental_inputs_reader::get_object_count): New function.
2216         (Incremental_inputs_reader::get_object_offset): New function.
2217         * options.cc (Input_arguments::add_file): Return reference to
2218         new input argument.
2219         * options.h (Input_argument::set_script_info): New function.
2220         (Input_argument::script_info): New function.
2221         (Input_argument::script_info_): New data member; adjust all
2222         constructors.
2223         (Input_file_group::add_file): Return reference to new input argument.
2224         (Input_file_lib::add_file): Likewise.
2225         (Input_arguments::add_file): Likewise.
2226         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2227         * script.cc (Parser_closure::Parser_closure): Add script_info
2228         parameter; adjust all callers.
2229         (Parser_closure::script_info): New function.
2230         (Parser_closure::script_info_): New data member.
2231         (read_input_script): Report scripts earlier to incremental info.
2232         (script_add_file): Set script_info in Input_argument.
2233         (script_add_library): Likewise.
2234         * script.h (Script_options::Script_info): Rewrite class.
2235
2236 2011-03-29  Cary Coutant  <ccoutant@google.com>
2237
2238         * archive.cc (Library_base::should_include_member): Move
2239         method here from class Archive.
2240         (Archive::Archive): Initialize base class.
2241         (Archive::should_include_member): Move to base class.
2242         (Archive::do_for_all_unused_symbols): New function.
2243         (Add_archive_symbols::run): Remove redundant access to
2244         incremental_inputs.
2245         (Lib_group::Lib_group): Initialize base class.
2246         (Lib_group::do_filename): New function.
2247         (Lib_group::include_member): Pass pointer to Lib_group to
2248         report_object.
2249         (Lib_group::do_for_all_unused_symbols): New function.
2250         (Add_lib_group_symbols::run): Report archive information for
2251         incremental links.
2252         * archive.h (class Library_base): New base class.
2253         (class Archive): Derive from Library_base.
2254         (Archive::filename): Move to base class.
2255         (Archive::set_incremental_info): Likewise.
2256         (Archive::incremental_info): Likewise.
2257         (Archive::Should_include): Likewise.
2258         (Archive::should_include_member): Likewise.
2259         (Archive::Armap_entry): Remove.
2260         (Archive::Unused_symbol_iterator): Remove.
2261         (Archive::unused_symbols_begin): Remove.
2262         (Archive::unused_symbols_end): Remove.
2263         (Archive::do_filename): New function.
2264         (Archive::do_get_mtime): New function.
2265         (Archive::do_for_all_unused_symbols): New function.
2266         (Archive::task_): Move to base class.
2267         (Archive::incremental_info_): Likewise.
2268         (class Lib_group): Derive from Library_base.
2269         (Lib_group::do_filename): New function.
2270         (Lib_group::do_get_mtime): New function.
2271         (Lib_group::do_for_all_unused_symbols): New function.
2272         (Lib_group::task_): Move to base class.
2273         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2274         function.
2275         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2276         function.
2277         * incremental.cc (Incremental_inputs::report_archive_begin):
2278         Use Library_base; call library's get_mtime; add incremental inputs
2279         entry before members.
2280         (class Unused_symbol_visitor): New class.
2281         (Incremental_inputs::report_archive_end): Use Library_base; use
2282         visitor class to record unused symbols; don't add incremental inputs
2283         entry after members.
2284         (Incremental_inputs::report_object): Use Library_base.
2285         * incremental.h
2286         (Incremental_archive_entry::Incremental_archive_entry): Remove
2287         unused Archive parameter.
2288         (Incremental_inputs::report_archive_begin): Use Library_base.
2289         (Incremental_inputs::report_archive_end): Likewise.
2290         (Incremental_inputs::report_object): Likewise.
2291         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2292         function.
2293         * object.h (Object::for_all_global_symbols): New function.
2294         (Object::do_for_all_global_symbols): New function.
2295         (Sized_relobj::do_for_all_global_symbols): New function.
2296         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2297         function.
2298         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2299         function.
2300
2301 2011-03-27  Ian Lance Taylor  <iant@google.com>
2302
2303         * archive.cc (Archive::interpret_header): Return -1 if something
2304         goes wrong.  Change callers accordingly.
2305
2306 2011-03-25  Cary Coutant  <ccoutant@google.com>
2307
2308         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2309         * testsuite/Makefile.in: Regenerate.
2310
2311 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2312
2313         * plugin.cc (get_view): New.
2314         (Plugin::load): Pass get_view to the plugin.
2315         (Plugin_manager::get_view): New.
2316
2317 2011-03-21  Ian Lance Taylor  <iant@google.com>
2318
2319         * testsuite/final_layout.sh: Rewrite to not use dc.
2320         * testsuite/relro_test.sh: Fail if dc is not present.
2321
2322 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2323
2324         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2325         Change == to -eq.
2326         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2327         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2328         Change == to -eq.
2329         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2330         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2331
2332 2011-03-14  Ian Lance Taylor  <iant@google.com>
2333
2334         * script-sections.cc (Sort_output_sections::script_compare):
2335         Rename from is_before, change return type.
2336         (Sort_output_sections::operator()): Adjust accordingly.
2337
2338 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2339
2340         PR gold/12572
2341         * testsuite/odr_violation2.cc: Add comment to make all error line
2342         numbers double digits.
2343         * testsuite/debug_msg.sh: Adjust expected errors.
2344
2345 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2346
2347         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2348         but mark earlier ones as non-canonical
2349         (offset_to_iterator): Update search target and example
2350         (do_addr2line): Return extra lines in a vector*
2351         (format_file_lineno): Extract from do_addr2line
2352         (one_addr2line): Add vector* out-param
2353         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2354         when a lineno entry appeared last for its instruction
2355         (Dwarf_line_info): Add vector* out-param
2356         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2357         * symtab.cc (Odr_violation_compare): Include the lineno in the
2358         comparison again.
2359         (linenos_from_loc): New. Combine the canonical line for an
2360         address with its other lines.
2361         (True_if_intersect): New. Helper functor to make
2362         std::set_intersection a query.
2363         (detect_odr_violations): Compare sets of lines instead of just
2364         one line for each function. This became less deterministic, but
2365         has fewer false positives.
2366         * symtab.h: Declarations.
2367         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2368         mix an optimized and non-optimized object in the same binary
2369         (odr_violation2.so): Same.
2370         * testsuite/Makefile.in: Regenerate from Makefile.am.
2371         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2372         * testsuite/debug_msg.sh: Update line numbers and add
2373         assertions.
2374         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2375         non-optimized context.
2376         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2377         isn't inlined, and use OdrDerived in an optimized context.
2378         * testsuite/odr_header1.h: Defines OdrDerived, where
2379         optimization will change the
2380         first-instruction-in-the-destructor's file and line number.
2381         * testsuite/odr_header2.h: Defines OdrBase.
2382
2383 2011-03-09  Ian Lance Taylor  <iant@google.com>
2384
2385         * fileread.cc (File_read::clear_views): Don't delete the whole
2386         file view.
2387
2388 2011-03-08  Ian Lance Taylor  <iant@google.com>
2389
2390         PR gold/12525
2391         * fileread.cc: #include <climits>.
2392         (GOLD_IOV_MAX): Define.
2393         (File_read::read_multiple): Limit number of entries by iov_max.
2394         * fileread.h (class File_read): Always set max_readv_entries to
2395         128.
2396
2397 2011-03-07  Ian Lance Taylor  <iant@google.com>
2398
2399         PR gold/12525
2400         * options.h (class General_options): Add -dy and -dn.
2401
2402 2011-03-02  Cary Coutant  <ccoutant@google.com>
2403
2404         * testsuite/script_test_9.t: Add TLS segment.
2405
2406 2011-03-02  Simon Baldwin  <simonb@google.com>
2407
2408         * configure.ac: Add check for gnu_indirect_function support in
2409         the toolchain building binutils.
2410         * configure: Rebuild.
2411
2412 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2413
2414         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2415         plugin only symbols.
2416         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2417         in plugin files as not needed in the symbol table.
2418
2419 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2420
2421         * output.cc (Output_section::add_input_section): Delay fill
2422         generation for section ordering.
2423
2424 2011-02-09  Ian Lance Taylor  <iant@google.com>
2425
2426         PR gold/12316
2427         * object.h (class Sized_relobj): Remove clear_local_symbols.
2428         * reloc.cc (Sized_relobj::do_relocate): Don't call
2429         clear_local_symbols.
2430
2431 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2432
2433         * plugin.cc (is_visible_from_outside): Return true for symbols
2434         in the -u option.
2435
2436 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2437
2438         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2439         filename.
2440
2441 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2442
2443         * icf.h (is_section_foldable_candidate): Change type of parameter
2444         to std::string.
2445         * icf.cc (Icf::find_identical_sections): Change type of local variable
2446         section_name to be std::string.
2447         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2448
2449 2011-01-25  Ian Lance Taylor  <iant@google.com>
2450
2451         * script.cc (script_add_extern): Rewrite to use
2452         add_symbol_reference.
2453
2454 2011-01-25  Doug Kwan  <dougkwan@google.com>
2455
2456         * icf.cc (get_section_contents): Always lock section's object.
2457
2458 2011-01-24  Ian Lance Taylor  <iant@google.com>
2459
2460         * options.h (class General_options): Accept
2461         --no-detect-odr-violations.
2462
2463 2011-01-24  Ian Lance Taylor  <iant@google.com>
2464
2465         * version.cc (version_string): Bump to 1.11.
2466
2467 2011-01-24  Ian Lance Taylor  <iant@google.com>
2468
2469         * plugin.cc (class Plugin_rescan): Define new class.
2470         (Plugin_manager::claim_file): Set any_claimed_.
2471         (Plugin_manager::save_archive): New function.
2472         (Plugin_manager::save_input_group): New function.
2473         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2474         necessary.
2475         (Plugin_manager::new_undefined_symbol): New function.
2476         (Plugin_manager::rescan): New function.
2477         (Plugin_manager::rescannable_defines): New function.
2478         (Plugin_manager::add_input_file): Set any_added_.
2479         * plugin.h (class Plugin_manager): define new fields rescannable_,
2480         undefined_symbols_, any_claimed_, and any_added_.  Declare
2481         Plugin_rescan as friend.  Declare new functions.
2482         (Plugin_manager::Rescannable): Define type.
2483         (Plugin_manager::Rescannable_list): Define type.
2484         (Plugin_manager::Undefined_symbol_list): Define type.
2485         (Plugin_manager::Plugin_manager): Initialize new fields.
2486         * archive.cc (Archive::defines_symbol): New function.
2487         (Add_archive_symbols::run): Pass archive to plugins if any.
2488         * archive.h (class Archive): Declare defines_symbol.
2489         * readsyms.cc (Input_group::~Input_group): New function.
2490         (Finish_group::run): Pass input_group to plugins if any.
2491         * readsyms.h (class Input_group): Declare destructor.
2492         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2493         any.
2494
2495 2011-01-10  Ian Lance Taylor  <iant@google.com>
2496
2497         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2498         section as relro.
2499         (Layout::set_segment_offsets): Reset increase_relro before calling
2500         set_section_addresses a second time.
2501
2502 2011-01-04  Cary Coutant  <ccoutant@google.com>
2503
2504         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2505         sections before NOBITS sections.
2506
2507 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2508
2509         * version.cc (print_version): Update copyright to 2011.
2510
2511 2010-12-23  Cary Coutant  <ccoutant@google.com>
2512
2513         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2514         of OS to this->add.  Add OD parameter to second form of the function.
2515
2516 2010-12-20  Ian Lance Taylor  <iant@google.com>
2517
2518         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2519         second of two consecutive entries with same offset.
2520
2521 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2522
2523         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2524         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2525         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2526         to avoid unneeded links against $(LDADD).
2527         * testsuite/Makefile.in: Regenerate.
2528
2529 2010-12-15  Ian Lance Taylor  <iant@google.com>
2530
2531         PR gold/12324
2532         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2533         for R_X86_64_32 and R_X86_64_PC32.
2534         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2535         ver_matching_def_pic.o.
2536         (ver_matching_def_pic.o): New target.
2537
2538 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2539
2540         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2541         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2542         Move definition before File_read::View member definitions.
2543         (File_read::View::~View): Initialize and hold lock before
2544         updating current_mapped_bytes.
2545
2546 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2547
2548         * dwarf_reader.cc: Remove outdated comment.
2549         * gold-threads.cc: Fix typo in error message.
2550         * archive.cc: Fix typos in comments.
2551         * archive.h: Likewise.
2552         * arm-reloc-property.cc: Likewise.
2553         * arm-reloc-property.h: Likewise.
2554         * arm-reloc.def: Likewise.
2555         * arm.cc: Likewise.
2556         * attributes.h: Likewise.
2557         * cref.cc: Likewise.
2558         * ehframe.cc: Likewise.
2559         * fileread.h: Likewise.
2560         * gold.h: Likewise.
2561         * i386.cc: Likewise.
2562         * icf.cc: Likewise.
2563         * incremental.h: Likewise.
2564         * int_encoding.cc: Likewise.
2565         * layout.h: Likewise.
2566         * main.cc: Likewise.
2567         * merge.h: Likewise.
2568         * object.cc: Likewise.
2569         * object.h: Likewise.
2570         * options.cc: Likewise.
2571         * readsyms.cc: Likewise.
2572         * reduced_debug_output.cc: Likewise.
2573         * reloc.cc: Likewise.
2574         * script-sections.cc: Likewise.
2575         * sparc.cc: Likewise.
2576         * symtab.h: Likewise.
2577         * target-reloc.h: Likewise.
2578         * target.cc: Likewise.
2579         * target.h: Likewise.
2580         * timer.cc: Likewise.
2581         * timer.h: Likewise.
2582         * x86_64.cc: Likewise.
2583
2584 2010-12-09  Cary Coutant  <ccoutant@google.com>
2585
2586         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2587         stack.
2588         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2589         parameter; change all callers.
2590         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2591         * options.h (warn_execstack): New option.
2592
2593 2010-12-07  Doug Kwan  <dougkwan@google.com>
2594
2595         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2596         like function call relocations.
2597
2598 2010-12-07  Ian Lance Taylor  <iant@google.com>
2599
2600         * archive.cc (Archive::get_elf_object_for_member): Permit
2601         punconfigured to be NULL.
2602         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2603         (Archive::include_member): Pass NULL to get_elf_object_for_member
2604         if we searched for the archive and this is the first included
2605         object.
2606
2607 2010-12-01  Ian Lance Taylor  <iant@google.com>
2608
2609         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2610         track_relocs_type_ field.
2611         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2612         Set track_relocs_type_.
2613         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2614         contents when using RELA relocs.
2615         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2616         reloc_map_.
2617         * reloc.cc (Track_relocs::next_addend): New function.
2618         * reloc.h (class Track_relocs): Declare next_addend.
2619
2620 2010-12-01  Ian Lance Taylor  <iant@google.com>
2621
2622         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2623         virtual destructor.
2624
2625 2010-12-01  Ian Lance Taylor  <iant@google.com>
2626
2627         * README: Update compilers known to work and fail.
2628
2629 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2630
2631         * configure.in: For --enable-gold, handle value `default' instead of
2632         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2633         not the default.
2634         * configure: Regenerate.
2635
2636 2010-11-18  Doug Kwan  <dougkwan@google.com>
2637
2638         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2639         and right_alignment to be zero.  Store result alignment only if it is
2640         greater than existing alignment.
2641
2642 2010-11-16  Cary Coutant  <ccoutant@google.com>
2643
2644         PR gold/12220
2645         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2646         Check for ".zdebug_line".
2647
2648 2010-11-16  Doug Kwan  <dougkwan@google.com>
2649             Cary Coutant  <ccoutant@google.com>
2650
2651         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2652         by reference; adjust all callers.
2653         * output.cc (Output_segment::set_section_addresses): Adjust references
2654         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2655         list is empty.
2656         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2657         end at page boundary.
2658
2659 2010-11-16  Cary Coutant  <ccoutant@google.com>
2660
2661         PR gold/12220
2662         * layout.cc (Layout::choose_output_section): Transform names of
2663         compressed sections even when using a script with a SECTIONS clause.
2664         (Layout::output_section_name): Remove code to transform
2665         compressed debug section names.
2666         * output.cc (Output_section::add_input_section): Use uncompressed
2667         section size when tracking input sections.
2668
2669 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2670
2671         * symtab.h (Symbol::NON_PIC_REF): Remove.
2672         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2673         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2674         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2675         (Symbol::use_plt_offset): Take a flags argument and pass it
2676         directly to needs_dynamic_reloc.  Restrict check for undefined
2677         weak symbols to function calls.
2678         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2679         (Target_arm::Scan::global): Use it.
2680         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2681         (Target_arm::Relocate::relocate): Likewise.
2682         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2683         parameter with an r_type parameter.  Use get_reference_flags
2684         to get the flags.
2685         (Target_arm::Relocate::relocate): Update accordingly.
2686         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2687         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2688         (Target_i386::Scan::global): Likewise.
2689         (Target_i386::Relocate::relocate): Likewise.
2690         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2691         parameter with an r_type parameter.  Use get_reference_flags
2692         to get the flags.
2693         (Target_i386::Relocate::relocate): Update accordingly.
2694         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2695         (Target_powerpc::Scan::global): Use it.
2696         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2697         (Target_powerpc::Relocate::relocate): Likewise.
2698         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2699         (Target_sparc::Scan::global): Use it.
2700         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2701         (Target_sparc::Relocate::relocate): Likewise.
2702         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2703         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2704         (Target_x86_64::Scan::global): Likewise.
2705         (Target_x86_64::Relocate::relocate): Likewise.
2706
2707 2010-11-08  Doug Kwan  <dougkwan@google.com>
2708             Cary Coutant  <ccoutant@google.com>
2709
2710         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2711         (Arm_exidx_merge_section::section_contents_): New data member.
2712         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2713         (Arm_input_section::~Arm_input_section): De-allocate memory.
2714         (Arm_input_section::original_contents_): New data member.
2715         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2716         in parameters instead of calling Object::section_contents without
2717         locking.
2718         (Arm_output_section::group_section): New parameter TASK.  Pass it
2719         to callees that need locking objects.
2720         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2721         to lock EXIDX input sections.  Fix a formatting issue.  Call
2722         Arm_exidx_merged_section::build_contents to create merged section
2723         contents.
2724         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2725         to lock object of stub table owner.
2726         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2727         TEXT_SIZE to initialize data member TEXT_SIZE_.
2728         (Arm_exidx_input_section::addralign): Fix typo in comment.
2729         (Arm_exidx_input_section::text_size): New method.
2730         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2731         that require locking objects.  Lock objects before scanning for stubs
2732         and updating local symbols.
2733         (Arm_input_section<big_endian>::init): Copy contents of original
2734         input section.
2735         (Arm_input_section<big_endian>::do_write): Use saved contents of
2736         original input section instead of calling Object::section_contents
2737         without locking.
2738         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2739         size without calling Object::section_size().
2740         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2741         for size.  Allocate a buffer for merged EXIDX entries.
2742         (Arm_exidx_merged_section::build_contents): New method.
2743         (Arm_exidx_merged_section::do_write): Move merge section contents
2744         building code to Arm_exidx_merged_section::build_contetns.  Write
2745         out contetns in buffer instead of building it on the fly.
2746         (Arm_relobj::make_exidx_input_section): Also pass text section size
2747         to Arm_exidx_input_section constructor.
2748         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2749         (Arm_dynobj::do_read_symbols): Fix memory leak.
2750         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2751         * target.h: (class Task): Add forward declaration.
2752         (Target::relax): Add new parameter TASK and pass it to
2753         Target::do_relax().
2754         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2755
2756 2010-11-05  Cary Coutant  <ccoutant@google.com>
2757
2758         PR gold/10708
2759         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2760         object when reading from the file.
2761         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2762         second layout pass.
2763         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2764         when reading section contents.
2765         (get_section_contents): Likewise.
2766         (icf::find_identical_sections): Likewise.
2767         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2768         object when reading from the file.
2769         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2770         the object when doing deferred section layout.
2771
2772 2010-11-03  Nick Clifton  <nickc@redhat.com>
2773
2774         PR gold/12001
2775         * script.h (class Symbol_assignment: name): New member.  Returns
2776         the name of the symbol.
2777         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2778         Returns true if the given symbol name is on the list of
2779         assignments wating to be processed.
2780         * archive.cc (should_incldue_member): If the symbol is undefined,
2781         check to see if it is on the list of symbols pending assignment.
2782
2783 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2784
2785         * script-sections.cc (Script_sections::find_memory_region): Check
2786         for a NULL output section pointer.
2787
2788 2010-10-29  Doug Kwan  <dougkwan@google.com>
2789
2790         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2791         Output_section::add_relaxed_input_section.
2792         * output.cc (Output_section::add_relaxed_input_section): Add new
2793         arguments LAYOUT and NAME.  Set section order index.
2794         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2795         Copy section order index.
2796         * output.h (Output_section::add_relaxed_input_section): Add new
2797         arguments LAYOUT and NAME.
2798
2799 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2800
2801         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2802         NATIVE_OR_CROSS_LINKER.
2803         * testsuite/Makefile.in: Regenerate.
2804
2805 2010-10-20  Doug Kwan  <dougkwan@google.com>
2806
2807         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2808         without SHF_LINK_ORDER flags.
2809         * layout.cc (Layout::choose_output_section): Do not filter
2810         SHF_LINK_ORDER flag in a relocatable link.
2811
2812 2010-10-17  Cary Coutant  <ccoutant@google.com>
2813
2814         * output.h (Output_segment::set_section_addresses): Change function
2815         signature.  Update all callers.
2816         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2817         sections.
2818         (Output_segment::set_section_addresses): Align after last TLS
2819         section.  Add padding before last relro section instead of after.
2820
2821 2010-10-17  Doug Kwan  <dougkwan@google.com>
2822
2823         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2824         GOT output section to be writable.
2825
2826 2010-10-14  Cary Coutant  <ccoutant@google.com>
2827
2828         * debug.h (DEBUG_INCREMENTAL): New flag.
2829         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2830         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2831         mode.
2832         * incremental.cc (report_command_line): Ignore all forms of
2833         --incremental.
2834         * layout.cc (Layout::Layout): Check parameters for incremental link
2835         mode.
2836         * options.cc (General_options::parse_incremental): New function.
2837         (General_options::parse_no_incremental): New function.
2838         (General_options::parse_incremental_full): New function.
2839         (General_options::parse_incremental_update): New function.
2840         (General_options::incremental_mode_): New data member.
2841         (General_options::finalize): Check incremental_mode_.
2842         * options.h (General_options): Update help text for --incremental.
2843         Add --no-incremental, --incremental-full, --incremental-update.
2844         (General_options::Incremental_mode): New enum type.
2845         (General_options::incremental_mode): New function.
2846         (General_options::incremental_mode_): New data member.
2847         * parameters.cc (Parameters::incremental_mode_): New data member.
2848         (Parameters::set_options): Set incremental_mode_.
2849         (Parameters::set_incremental_full): New function.
2850         (Parameters::incremental): New function.
2851         (Parameters::incremental_update): New function.
2852         (set_parameters_incremental_full): New function.
2853         * parameters.h (Parameters::set_incremental_full): New function.
2854         (Parameters::incremental): New function.
2855         (Parameters::incremental_update): New function.
2856         (Parameters::incremental_mode_): New data member.
2857         (set_parameters_incremental_full): New function.
2858         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2859         incremental link mode.
2860         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2861         (Sized_relobj::do_relocate_sections): Likewise.
2862         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2863         option.
2864         * testsuite/Makefile.in: Regenerate.
2865         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2866
2867 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2868
2869         * script-sections.h (class Script_sections): Make
2870         Sections_elements typedef public.
2871         * script-sections.cc (class Sort_output_sections): Add elements_
2872         field.  Add constructor which sets it; change all callers.
2873         (Sort_output_sections::is_before): New function.
2874         (Sort_output_sections::operator()): Call is_before.
2875         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2876         conditional.
2877         * testsuite/script_test_10.sh: New test. Test script section
2878         order.
2879         * testsuite/script_test_10.t: Likewise.
2880         * testsuite/script_test_10.s: Likewise.
2881         * testsuite/Makefile.am: Wrap the cross linker tests and the
2882         common tests into NATIVE_OR_CROSS_LINKER.
2883         (check_SCRIPTS): Add script_test_10.sh.
2884         (check_DATA): Add script_test_10.stdout.
2885         (script_test_10.o, script_test_10): New targets.
2886         (script_test_10.stdout): New target.
2887         * configure, testsuite/Makefile.in: Regenerate.
2888
2889 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2890
2891         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2892         error for the deprecated relocations.
2893         (Target_arm::Scan::global): Likewise.
2894         (Target_arm::Relocate::relocate): Likewise.
2895
2896 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2897
2898         * fileread.cc (Input_file::find_file): Initialize *found_name
2899         and *namep when using the fallback search for case 4.
2900
2901 2010-10-11  Cary Coutant  <ccoutant@google.com>
2902
2903         * options.h (class General_options): Redefine -z lazy as an alias for
2904         the negation of -z now.
2905
2906 2010-10-11  Ian Lance Taylor  <iant@google.com>
2907
2908         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2909         binding.
2910
2911 2010-10-06  Nick Clifton  <nickc@redhat.com>
2912
2913         * script-sections.cc(class Memory_region): Remove
2914         current_lma_offset_ field.  Rename current_vma_offset_ to
2915         current_offset_.  Add last_section_ field.
2916         (Memory_region::get_current_vma_address): Rename to
2917         get_current_address.
2918         (Memory_region::get_current_lma_address): Delete.
2919         (Memory_region::increment_vma_offset): Rename to
2920         increment_offset.
2921         (Memory_region::increment_lma_offset): Delete.
2922         (Memory_region::attributes_compatible): New method.  Returns
2923         true if the provided section is compatible with the region.
2924         (Memory_region::get_last_section): New method.  Returns the last
2925         section to use the region.
2926         (Memory_region::set_last_section): New method.  Stores the last
2927         section to use the region.
2928         (Script_sections::block_in_region): New method.  Returns true if
2929         a block of memory is contained within a region.
2930         (Script_sections::find_memory_region): New method.  Locates a
2931         memory region to be used to set a VMA or LMA address.
2932         (Output_section_definition::set_section_addresses): Add code to
2933         check for addresses set by memory regions.
2934         (Output_segment::set_section_addresses): Remove memory region
2935         walking code.
2936         (Script_sections::create_segment): Add a warning if a header
2937         segment is created outside of any region.
2938         * script-sections.h (class Script_sections): Add prototypes for
2939         find_memory_region and block_in_region methods.
2940         * testsuite/memory_test.s: Use .long instead of .word.
2941         * testsuite/memory_test.t: Add some more output sections.
2942         * testsuite/memory_test.sh: Update expected output.
2943
2944 2010-10-02  Doug Kwan  <dougkwan@google.com>
2945
2946         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2947         defintion to symtab.h
2948         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2949         declaration to defintion.
2950
2951 2010-10-01  Nick Clifton  <nickc@redhat.com>
2952
2953         * expression.cc (eval): Replace dummy argument with NULL.
2954         (eval_maybe_dot): Check for a NULL result section pointer.
2955         (Symbol_expression::value): Likewise.
2956         (Dot_expression::value): Likewise.
2957         (BINARY_EXPRESSION): Likewise.
2958         (Max_expression::value): Likewise.
2959         (Min_expression::value): Likewise.
2960         (Absolute_expression::value): Likewise.
2961         (Addr_expression::value_from_output_section): Likewise.
2962         (Loaddddr_expression::value_from_output_section): Likewise.
2963         (Segment_start_expression::value): Likewise.
2964         * script-sections.cc
2965         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2966         argument with NULL.
2967         (Sections_elememt_dot_assignment::set_section_addresses):
2968         Likewise.
2969         (Output_data_expression::do_write_to_buffer): Likewise.
2970         (Output_section_definition::finalize_symbols): Likewise.
2971         (Output_section_definition::set_section_addresses): Likewise.
2972
2973 2010-09-30  Doug Kwan  <dougkwan@google.com>
2974
2975         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2976
2977 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2978
2979         * target.h (Target::can_icf_inline_merge_sections): New virtual
2980         function.
2981         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2982         virtual function.
2983         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2984         virtual function.
2985         * icf.cc (get_section_contents): Inline merge sections only when
2986         target allows it.
2987
2988 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2989
2990         * configure: Regenerate.
2991
2992 2010-09-17  Ian Lance Taylor  <iant@google.com>
2993
2994         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2995         * testsuite/Makefile.am (memory_test.o): New target.
2996         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2997         memory_test.t.
2998         * testsuite/Makefile.in: Rebuild.
2999
3000 2010-09-17  Doug Kwan  <dougkwan@google.com>
3001
3002         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3003         defintion if relocation uses GOT entries of the symbol.
3004         * testsuite/icf_safe_test.sh: Fix test.
3005         * testsuite/icf_safe_so_test.sh: Fix test.
3006
3007 2010-09-16  Cary Coutant  <ccoutant@google.com>
3008
3009         * script_sections.cc (class Memory_region): Remove "NULL" from
3010         vector initializations.
3011
3012 2010-09-15  Cary Coutant  <ccoutant@google.com>
3013
3014         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3015         Resolve forwarding symbols.
3016
3017 2010-09-15  Doug Kwan  <dougkwan@google.com>
3018
3019         * gold/testsuite/script_test_3.t: Add ARM special sections.
3020         * gold/testsuite/script_test_4.t: Same.
3021         * gold/testsuite/script_test_5.t: Same.
3022         * gold/testsuite/script_test_6.t: Same.
3023         * gold/testsuite/script_test_7.t: Same.
3024         * gold/testsuite/script_test_7.t: Same.
3025         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3026
3027 2010-09-14  Cary Coutant  <ccoutant@google.com>
3028
3029         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3030         (Target_x86_64::Relocate::relocate_tls): Replace check for
3031         saw_tls_block_reloc_ with test for executable section.
3032
3033 2010-09-12  Cary Coutant  <ccoutant@google.com>
3034
3035         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3036         position-independent executables to shared libraries need dynamic
3037         relocations.
3038         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3039         position-independent executables.
3040         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3041         * testsuite/Makefile.in: Regenerate.
3042
3043 2010-09-10  Nick Clifton  <nickc@redhat.com>
3044
3045         PR gold/11997
3046         * testsuite/memory_test.t: Discard any sections that are not
3047         needed.
3048
3049 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3050
3051         PR gold/11996
3052         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3053         "This::" to work around a bug in gcc 4.2.
3054
3055         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3056
3057 2010-09-09  Rafael Espindola  <espindola@google.com>
3058
3059         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3060         sections with different PF_X flags in the same segment.
3061         (Layout::find_first_load_seg): Search all segments to find the first
3062         one.
3063         * options.h (rosegment): New.
3064
3065 2010-09-08  Rafael Espindola  <espindola@google.com>
3066
3067         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3068
3069 2010-09-08  Doug Kwan  <dougkwan@google.com>
3070
3071         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3072         (Arm_relobj::do_relocate_sections): Add new parameter for output
3073         file to match the parent.
3074         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3075         of local symbols instead of input values.  Update code to track
3076         changes in gold::relocate_section.
3077         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3078         (Sized_relobj::compute_final_local_value_internal): New methods.
3079         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3080         body into private version of Sized_relobj::compute_final_local_value.
3081         Call the inline method.
3082         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3083         merged symbol value if there is one.
3084         (Symbol_value::has_output_value): New method defintiion.
3085         (Sized_relobj::Compute_final_local_value_status): New enum type.
3086         (Sized_relobj::compute_final_local_value): New methods.
3087         (Sized_relobj::compute_final_local_value_internal): New methods.
3088         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3089         and arm_cortex_a8.sh.
3090         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3091         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3092         New tests.
3093         * Makefile.in: Regenerate.
3094         * testsuite/arm_bl_out_of_range.s: Update test.
3095         * testsuite/thumb_bl_out_of_range.s: Ditto.
3096         * testsuite/thumb_blx_out_of_range.s: Ditto.
3097         * testsuite/arm_branch_out_of_range.sh: New file.
3098         * testsuite/arm_cortex_a8.sh: Ditto.
3099         * testsuite/arm_cortex_a8_b.s: Ditto.
3100         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3101         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3102         * testsuite/arm_cortex_a8_bl.s: Ditto.
3103         * testsuite/arm_cortex_a8_blx.s: Ditto.
3104         * testsuite/arm_cortex_a8_local.s: Ditto.
3105         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3106         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3107
3108 2010-09-08  Rafael Espindola  <espindola@google.com>
3109
3110         * Makefile.am (memory_test.stdout): Run readelf with -W.
3111         * Makefile.in: Regenerate.
3112         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3113         64 bit output.
3114
3115 2010-09-08  Rafael Espindola  <espindola@google.com>
3116
3117         * script-sections.cc (Script_sections::add_memory_region): Convert
3118         field precision to int.
3119         * script.cc (script_set_section_region, script_set_section_region):
3120         Convert field precision to int.
3121
3122 2010-09-08  Rafael Espindola  <espindola@google.com>
3123
3124         * arm.cc (do_finalize_sections): Create the __exidx_start and
3125         __exdix_end symbols even when the section is missing.
3126
3127 2010-09-08  Nick Clifton  <nickc@redhat.com>
3128
3129         * README: Remove claim that MEMORY is not supported.
3130         * expression.cc (script_exp_function_origin)
3131         (script_exp_function_length): Move from here to ...
3132         * script.cc: ... here.
3133         (script_set_section_region, script_add_memory)
3134         (script_parse_memory_attr, script_include_directive): New
3135         functions.
3136         * script-sections.cc
3137         (class Memory_region): New class.
3138         (class Output_section_definition): Add set_memory_region,
3139         set_section_vma, set_section_lma and get_section_name methods.
3140         (class Script_Sections): Add add_memory_region,
3141         find_memory_region, find_memory_region_origin,
3142         find_memory_region_length and set_memory_region methods.
3143         Have set_section_addresses method walk the list of set memory
3144         regions.
3145         Extend the print methos to display memory regions.
3146         * script-sections.h: Add prototypes for new methods.
3147         Add enum for MEMORY region attributes.
3148         * yyscript.y: Add support for parsing MEMORY regions.
3149         * script-c.h: Add prototypes for new functions.
3150         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3151         * testsuite/Makefile.in: Regenerate.
3152         * testsuite/memory_test.sh: New script.
3153         * testsuite/memory_test.s: New assembler source file.
3154         * testsuite/memory_test.t: New linker script.
3155
3156 2010-08-27  Doug Kwan  <dougkwan@google.com>
3157
3158         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3159         reference override an existing dynamic weak reference.
3160         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3161         * testsuite/Makefile.in: Regenerate.
3162         * testsuite/dyn_weak_ref.sh: New file.
3163         * testsuite/dyn_weak_ref_1.c: Ditto.
3164         * testsuite/dyn_weak_ref_2.c: Ditto.
3165
3166 2010-08-27  Ian Lance Taylor  <iant@google.com>
3167
3168         * incremental.h (class Incremental_input_entry): Add virtual
3169         destructor.
3170
3171 2010-08-27  Ian Lance Taylor  <iant@google.com>
3172
3173         * testsuite/start_lib_test_3.c: Mark t3 as used.
3174
3175 2010-08-27  Nick Clifton  <nickc@redhat.com>
3176
3177         * options.cc (version_script): Fix small typo in previous
3178         whitespace tidyup.
3179
3180 2010-08-25  Nick Clifton  <nickc@redhat.com>
3181
3182         * archive.cc: Formatting fixes: Remove whitespace between
3183         typename and following asterisk.  Remove whitespace between
3184         function name and opening parenthesis.
3185         * archive.h: Likewise.
3186         * arm.cc: Likewise.
3187         * attributes.cc: Likewise.
3188         * attributes.h: Likewise.
3189         * common.cc: Likewise.
3190         * copy-relocs.cc: Likewise.
3191         * dirsearch.h: Likewise.
3192         * dynobj.cc: Likewise.
3193         * ehframe.cc: Likewise.
3194         * ehframe.h: Likewise.
3195         * expression.cc: Likewise.
3196         * fileread.cc: Likewise.
3197         * fileread.h: Likewise.
3198         * gc.h: Likewise.
3199         * gold-threads.cc: Likewise.
3200         * gold.cc: Likewise.
3201         * i386.cc: Likewise.
3202         * icf.h: Likewise.
3203         * incremental-dump.cc: Likewise.
3204         * incremental.cc: Likewise.
3205         * layout.cc: Likewise.
3206         * layout.h: Likewise.
3207         * main.cc: Likewise.
3208         * merge.cc: Likewise.
3209         * merge.h: Likewise.
3210         * object.cc: Likewise.
3211         * object.h: Likewise.
3212         * options.cc: Likewise.
3213         * options.h: Likewise.
3214         * output.cc: Likewise.
3215         * output.h: Likewise.
3216         * plugin.cc: Likewise.
3217         * plugin.h: Likewise.
3218         * powerpc.cc: Likewise.
3219         * reloc.cc: Likewise.
3220         * script-c.h: Likewise.
3221         * script-sections.cc: Likewise.
3222         * script.cc: Likewise.
3223         * stringpool.cc: Likewise.
3224         * symtab.cc: Likewise.
3225         * symtab.h: Likewise.
3226         * target.cc: Likewise.
3227         * timer.cc: Likewise.
3228         * timer.h: Likewise.
3229         * version.cc: Likewise.
3230         * x86_64.cc: Likewise.
3231
3232 2010-08-24  Nick Clifton  <nickc@redhat.com>
3233
3234         PR 11899
3235         * layout.cc (segment_precedes): Sort segments by their physical
3236         addresses, if they have been set.
3237
3238 2010-08-23  Cary Coutant  <ccoutant@google.com>
3239
3240         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3241         symbols data.
3242         (Lib_group::include_member): Unlock object after deleting its
3243         symbols data.
3244         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3245         the bug fixed here.
3246
3247 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3248             Cary Coutant  <ccoutant@google.com>
3249
3250         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3251         constructor, and set_blocker.
3252         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3253         readsyms_blocker_.
3254         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3255         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3256         * testsuite/Makefile.am (start_lib_test): New test case.
3257         * testsuite/Makefile.in: Regenerate.
3258         * testsuite/start_lib_test_main.c: New file.
3259         * testsuite/start_lib_test_1.c: New file.
3260         * testsuite/start_lib_test_2.c: New file.
3261         * testsuite/start_lib_test_3.c: New file.
3262
3263 2010-08-19  Ian Lance Taylor  <iant@google.com>
3264
3265         * Makefile.in: Rebuild with automake 1.11.1.
3266         * aclocal.m4: Likewise.
3267         * testsuite/Makefile.in: Likewise.
3268
3269 2010-08-19  Ian Lance Taylor  <iant@google.com>
3270
3271         PR 10893
3272         * i386.cc (class Output_data_plt_i386): Update declarations.
3273         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3274         local_ifuncs_ fields.
3275         (Target_i386::do_plt_section_for_global): New function.
3276         (Target_i386::do_plt_section_for_local): New function.
3277         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3278         parameter; change all callers.  Initialize global_ifuncs_ and
3279         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3280         __rel_iplt_end.
3281         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3282         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3283         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3284         symbols.
3285         (Target_i386::make_plt_section): New function, broken out of
3286         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3287         (Target_i386::make_plt_entry): Call make_plt_section.
3288         (Target_i386::make_local_ifunc_plt_entry): New function.
3289         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3290         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3291         R_386_IRELATIVE to switch.
3292         (Target_i386::Scan::global): Likewise.
3293         (Target_i386::Relocate::relocate): Likewise.
3294         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3295         switch.
3296         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3297         (Target_x86_64::do_plt_section_for_global): New function.
3298         (Target_x86_64::do_plt_section_for_local): New function.
3299         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3300         parameter; change all callers.  If doing a static link define
3301         __rela_iplt_start and __rela_iplt_end.
3302         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3303         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3304         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3305         to point to .plt.
3306         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3307         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3308         switch.
3309         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3310         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3311         R_X86_64_IRELATIVE to switch.
3312         (Target_x86_64::Scan::global): Likewise.
3313         (Target_x86_64::Relocate::relocate): Likewise.
3314         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3315         switch.
3316         * target.h (class Target): Add plt_section_for_global and
3317         plt_section_for_local functions.  Add do_plt_section_for_global
3318         and do_plt_section_for_local virtual functions.
3319         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3320         clarifying comments.
3321         (Symbol::use_plt_offset): Handle IFUNC symbol.
3322         * object.cc (Sized_relobj::Sized_relobj): Initialize
3323         local_plt_offsets_.
3324         (Sized_relobj::local_has_plt_offset): New function.
3325         (Sized_relobj::local_plt_offset): New function.
3326         (Sized_relobj::set_local_plt_offset): New function.
3327         (Sized_relobj::do_count): Handle IFUNC symbol.
3328         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3329         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3330         is_ifunc_symbol functions.
3331         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3332         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3333         local_plt_offsets_ field.
3334         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3335         * output.h (class Output_section_data): Add non-const
3336         output_section function.
3337         (class Output_data_got): Update declarations.
3338         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3339         Add use_plt_offset parameter to global and local constructors.
3340         Change all callers.  Change local_sym_index_ field to 31 bits.
3341         Change GSYM_CODE and CONSTANT_CODE accordingly.
3342         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3343         doing a static link don't set sh_link field.
3344         (Output_data_got::Got_entry::write): Use PLT offset if
3345         appropriate.
3346         (Output_data_got::add_global_plt): New function.
3347         (Output_data_got::add_local_plt): New function.
3348         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3349         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3350         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3351         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3352         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3353         IFUNC conditional.
3354         * testsuite/ifunc-sel.h: New file.
3355         * testsuite/ifuncmain1.c: New file.
3356         * testsuite/ifuncmain1vis.c: New file.
3357         * testsuite/ifuncmod1.c: New file.
3358         * testsuite/ifuncdep2.c: New file.
3359         * testsuite/ifuncmain2.c: New file.
3360         * testsuite/ifuncmain3.c: New file.
3361         * testsuite/ifuncmod3.c: New file.
3362         * testsuite/ifuncmain4.c: New file.
3363         * testsuite/ifuncmain5.c: New file.
3364         * testsuite/ifuncmod5.c: New file.
3365         * testsuite/ifuncmain6pie.c: New file.
3366         * testsuite/ifuncmod6.c: New file.
3367         * testsuite/ifuncmain7.c: New file.
3368         * configure, testsuite/Makefile.in: Rebuild.
3369
3370 2010-08-18  Ian Lance Taylor  <iant@google.com>
3371
3372         * incremental.cc
3373         (Output_section_incremental_inputs::write_input_files): Add cast
3374         to avoid signed/unsigned comparison warning.
3375         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3376
3377 2010-08-12  Cary Coutant  <ccoutant@google.com>
3378
3379         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3380
3381 2010-08-13  Ian Lance Taylor  <iant@google.com>
3382
3383         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3384
3385 2010-08-12  Cary Coutant  <ccoutant@google.com>
3386             Doug Kwan  <dougkwan@google.com>
3387
3388         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3389         defintion overrides non-weak undef, remember that the original undef
3390         is not weak.
3391         * symtab.cc (Symbol_table::sized_write_global): For undef without
3392         an original weak binding, set binding to global in output.
3393         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3394         * testsuite/Makefile.in: Regenerate.
3395         * testsuite/strong_ref_weak_def.sh: New file.
3396         * testsuite/strong_ref_weak_def_1.c: Ditto.
3397         * testsuite/strong_ref_weak_def_2.c: Ditto.
3398
3399 2010-08-12  Cary Coutant  <ccoutant@google.com>
3400
3401         * testsuite/incremental_test.sh: Rewrite.
3402         * testsuite/incremental_test_1.c: Rewrite.
3403         * testsuite/incremental_test_2.c: Rewrite.
3404
3405 2010-08-12  Cary Coutant  <ccoutant@google.com>
3406
3407         * arm.cc (Target_arm::got_size): Add const.
3408         (Target_arm::got_entry_count): New function.
3409         (Target_arm::plt_entry_count): New function.
3410         (Target_arm::first_plt_entry_offset): New function.
3411         (Target_arm::plt_entry_size): New function.
3412         (Output_data_plt_arm::entry_count): New function.
3413         (Output_data_plt_arm::first_plt_entry_offset): New function.
3414         (Output_data_plt_arm::get_plt_entry_size): New function.
3415         * i386.cc (Target_i386::got_size): Add const.
3416         (Target_i386::got_entry_count): New function.
3417         (Target_i386::plt_entry_count): New function.
3418         (Target_i386::first_plt_entry_offset): New function.
3419         (Target_i386::plt_entry_size): New function.
3420         (Output_data_plt_i386::entry_count): New function.
3421         (Output_data_plt_i386::first_plt_entry_offset): New function.
3422         (Output_data_plt_i386::get_plt_entry_size): New function.
3423         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3424         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3425         * incremental.cc: Include target.h.
3426         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3427         parameter.  Adjust all callers.  Find incremental_got_plt section.
3428         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3429         section.
3430         (Output_section_incremental_inputs::set_final_data_size): Calculate
3431         size of incremental_got_plt section.
3432         (Output_section_incremental_inputs::do_write): Write the
3433         incremental_got_plt section.
3434         (Got_plt_view_info): New struct.
3435         (Local_got_offset_visitor): New class.
3436         (Global_got_offset_visitor): New class.
3437         (Global_symbol_visitor_got_plt): New class.
3438         (Output_section_incremental_inputs::write_got_plt): New function.
3439         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3440         Add parameter.  Adjust all callers.
3441         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3442         (Incremental_inputs::got_plt_section): New function.
3443         (Incremental_inputs::got_plt_section_): New data member.
3444         (Incremental_got_plt_reader): New class.
3445         * layout.cc (Layout::create_incremental_info_sections): Add the
3446         incremental_got_plt section.
3447         * object.h (Got_offset_list::get_list): New function.
3448         (Got offset_list::for_all_got_offsets): New function.
3449         (Sized_relobj::local_got_offset_list): New function.
3450         * powerpc.cc (Target_powerpc::got_size): Add const.
3451         (Target_powerpc::got_entry_count): New function.
3452         (Target_powerpc::plt_entry_count): New function.
3453         (Target_powerpc::first_plt_entry_offset): New function.
3454         (Target_powerpc::plt_entry_size): New function.
3455         (Output_data_plt_powerpc::entry_count): New function.
3456         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3457         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3458         * sparc.cc (Target_sparc::got_size): Add const.
3459         (Target_sparc::got_entry_count): New function.
3460         (Target_sparc::plt_entry_count): New function.
3461         (Target_sparc::first_plt_entry_offset): New function.
3462         (Target_sparc::plt_entry_size): New function.
3463         (Output_data_plt_sparc::entry_count): New function.
3464         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3465         (Output_data_plt_sparc::get_plt_entry_size): New function.
3466         * symtab.h (Symbol::got_offset_list): New function.
3467         (Symbol_table::for_all_symbols): New function.
3468         * target.h (Sized_target::got_entry_count): New function.
3469         (Sized_target::plt_entry_count): New function.
3470         (Sized_target::plt_entry_size): New function.
3471         * x86_64.cc (Target_x86_64::got_size): Add const.
3472         (Target_x86_64::got_entry_count): New function.
3473         (Target_x86_64::plt_entry_count): New function.
3474         (Target_x86_64::first_plt_entry_offset): New function.
3475         (Target_x86_64::plt_entry_size): New function.
3476         (Output_data_plt_x86_64::entry_count): New function.
3477         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3478         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3479
3480 2010-08-12  Cary Coutant  <ccoutant@google.com>
3481
3482         * archive.cc: Include incremental.h.
3483         (Archive::Archive): Initialize incremental_info_.
3484         (Archive::include_member): Record archive members in incremental info.
3485         (Add_archive_symbols::run): Record begin and end of an archive in
3486         incremental info.
3487         (Lib_group::include_member): Record objects in incremental info.
3488         * archive.h (Incremental_archive_entry): Forward declaration.
3489         (Archive::set_incremental_info): New member function.
3490         (Archive::incremental_info): New member function.
3491         (Archive::Unused_symbol_iterator): New class.
3492         (Archive::unused_symbols_begin): New member function.
3493         (Archive::unused_symbols_end): New member function.
3494         (Archive::incremental_info_): New data member.
3495         * incremental-dump.cc (find_input_containing_global): New function.
3496         (dump_incremental_inputs): Dump new incremental info sections.
3497         * incremental.cc: Include symtab.h.
3498         (Output_section_incremental_inputs): New class.
3499         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3500         new incremental info sections.
3501         (Sized_incremental_binary::do_check_inputs): Likewise.
3502         (Incremental_inputs::report_archive): Remove.
3503         (Incremental_inputs::report_archive_begin): New function.
3504         (Incremental_inputs::report_archive_end): New function.
3505         (Incremental_inputs::report_object): New function.
3506         (Incremental_inputs::finalize_inputs): Remove.
3507         (Incremental_inputs::report_input_section): New function.
3508         (Incremental_inputs::report_script): Rewrite.
3509         (Incremental_inputs::finalize): Do nothing but finalize string table.
3510         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3511         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3512         (Incremental_inputs::create_data_sections): New function.
3513         (Incremental_inputs::relocs_entsize): New function.
3514         (Output_section_incremental_inputs::set_final_data_size): New function.
3515         (Output_section_incremental_inputs::do_write): New function.
3516         (Output_section_incremental_inputs::write_header): New function.
3517         (Output_section_incremental_inputs::write_input_files): New function.
3518         (Output_section_incremental_inputs::write_info_blocks): New function.
3519         (Output_section_incremental_inputs::write_symtab): New function.
3520         * incremental.h (Incremental_script_entry): Forward declaration.
3521         (Incremental_object_entry): Forward declaration.
3522         (Incremental_archive_entry): Forward declaration.
3523         (Incremental_inputs): Forward declaration.
3524         (Incremental_inputs_header_data): Remove.
3525         (Incremental_inputs_header): Remove.
3526         (Incremental_inputs_header_write): Remove.
3527         (Incremental_inputs_entry_data): Remove.
3528         (Incremental_inputs_entry): Remove.
3529         (Incremental_inputs_entry_write): Remove.
3530         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3531         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3532         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3533         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3534         Likewise.
3535         (Incremental_input_entry): New class.
3536         (Incremental_script_entry): New class.
3537         (Incremental_object_entry): New class.
3538         (Incremental_archive_entry): New class.
3539         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3540         (Incremental_inputs::report_inputs): Remove.
3541         (Incremental_inputs::report_archive): Remove.
3542         (Incremental_inputs::report_archive_begin): New function.
3543         (Incremental_inputs::report_archive_end): New function.
3544         (Incremental_inputs::report_object): Change prototype.
3545         (Incremental_inputs::report_input_section): New function.
3546         (Incremental_inputs::report_script): Change prototype.
3547         (Incremental_inputs::get_reloc_count): New function.
3548         (Incremental_inputs::set_reloc_count): New function.
3549         (Incremental_inputs::create_data_sections): New function.
3550         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3551         (Incremental_inputs::inputs_section): New function.
3552         (Incremental_inputs::symtab_section): New function.
3553         (Incremental_inputs::relocs_section): New function.
3554         (Incremental_inputs::get_stringpool): Add const.
3555         (Incremental_inputs::command_line): Add const.
3556         (Incremental_inputs::inputs): Remove.
3557         (Incremental_inputs::command_line_key): New function.
3558         (Incremental_inputs::input_file_count): New function.
3559         (Incremental_inputs::input_files): New function.
3560         (Incremental_inputs::relocs_entsize): New function.
3561         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3562         (Incremental_inputs::finalize_inputs): Remove.
3563         (Incremental_inputs::Input_info): Remove.
3564         (Incremental_inputs::lock_): Remove.
3565         (Incremental_inputs::inputs_): Change type.
3566         (Incremental_inputs::inputs_map_): Remove.
3567         (Incremental_inputs::current_object_entry_): New data member.
3568         (Incremental_inputs::inputs_section_): New data member.
3569         (Incremental_inputs::symtab_section_): New data member.
3570         (Incremental_inputs::relocs_section_): New data member.
3571         (Incremental_inputs::reloc_count_): New data member.
3572         (Incremental_inputs_reader): New class.
3573         (Incremental_symtab_reader): New class.
3574         (Incremental_relocs_reader): New class.
3575         * layout.cc (Layout::finalize): Move finalization of incremental info
3576         and creation of incremental info sections to follow finalization of
3577         symbol table.  Set offsets for postprocessing sections.
3578         (Layout::create_incremental_info_sections): Call
3579         Incremental_inputs::create_data_sections.  Add incremental symtab
3580         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3581         sections to layout after input sections.
3582         * layout.h (struct Timespec): Forward declaration.
3583         (Layout::incremental_inputs): Add const.
3584         (Layout::create_incremental_info_sections): Add parameter.
3585         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3586         * object.cc: Include incremental.h.
3587         (Relobj::finalize_incremental_relocs): New function.
3588         (Sized_relobj::do_layout): Record input sections in incremental info.
3589         * object.h (Object::output_section): New function.
3590         (Object::output_section_offset): Moved from Relobj.
3591         (Object::get_incremental_reloc_base): New function.
3592         (Object::get_incremental_reloc_count): New function.
3593         (Object::do_output_section): New function.
3594         (Object::do_output_section_offset): Moved from Relobj.
3595         (Object::do_get_incremental_reloc_base): New function.
3596         (Object::do_get_incremental_reloc_count): New function.
3597         (Object::Object): Initialize new data members.
3598         (Relobj::output_section): Renamed do_output_section and moved to
3599         protected.
3600         (Relobj::output_section_offset): Moved to Object.
3601         (Relobj::do_get_incremental_reloc_base): New function.
3602         (Relobj::do_get_incremental_reloc_count): New function.
3603         (Relobj::allocate_incremental_reloc_counts): New function.
3604         (Relobj::count_incremental_reloc): New function.
3605         (Relobj::finalize_incremental_relocs): New function.
3606         (Relobj::next_incremental_reloc_index): New function.
3607         (Relobj::reloc_counts_): New data member.
3608         (Relobj::reloc_bases_): New data member.
3609         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3610         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3611         (Sized_relobj::incremental_relocs_scan): New function.
3612         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3613         (Sized_relobj::incremental_relocs_write): New function.
3614         (Sized_relobj::incremental_relocs_write_reltype): New function.
3615         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3616         incremental link.
3617         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3618         archives and object files elsewhere.
3619         (Add_symbols::run): Report object files here.
3620         (Finish_group::run): Report end of archive at end of group.
3621         * reloc.cc: Include layout.h, incremental.h.
3622         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3623         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3624         (Sized_relobj::incremental_relocs_scan): New function.
3625         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3626         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3627         (Sized_relobj::incremental_relocs_write): New function.
3628         (Sized_relobj::incremental_relocs_write_reltype): New function.
3629         * script.cc (read_input_script): Rewrite test for incremental link.
3630         Change call to Incremental_inputs::report_script.
3631         * symtab.h (Symbol_table::first_global_index): New function.
3632         (Symbol_table::output_count): New function.
3633
3634 2010-08-12  Doug Kwan  <dougkwan@google.com>
3635
3636         * arm.cc (Target_arm::merge_object_attributes): Check command line
3637         options --no-wchar-size-warning and --no-enum-size-warning.
3638         * options.h (General_options): Add ld-compatible options
3639         --no-enum-size-warning and --no-wchar-size-warning.
3640
3641 2010-08-04  Ian Lance Taylor  <iant@google.com>
3642
3643         * x86_64.cc (Target_x86_64::Scan::local): Use
3644         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3645         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3646         (Target_x86_64::Scan::global): Likewise.
3647         (Target_x86_64::Relocate::relocate): Likewise.
3648         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3649         Likewise.
3650
3651 2010-08-03  Cary Coutant  <ccoutant@google.com>
3652
3653         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3654         to reserve space in merged_strings vector. Keep total input size
3655         for stats.
3656         (Output_merge_string::do_print_merge_stats): Print total input size.
3657         * merge.h (Output_merge_string): Add input_size_ field.
3658         * stringpool.cc (Stringpool_template::string_length): Move
3659         implementations out of Stringpool_template class and place in
3660         stringpool.h.
3661         * stringpool.h (string_length): Move out of Stringpool_template.
3662
3663 2010-08-03  Ian Lance Taylor  <iant@google.com>
3664
3665         PR 11712
3666         * layout.cc (relaxation_loop_body): If address of load segment is
3667         set, adjust address to include headers if possible.
3668
3669 2010-08-03  Ian Lance Taylor  <iant@google.com>
3670
3671         * version.cc (version_string): Bump to 1.10.
3672
3673 2010-08-03  Ian Lance Taylor  <iant@google.com>
3674
3675         PR 11805
3676         * layout.h (enum Output_section_order): Define.
3677         (class Layout): Update declarations.
3678         * layout.cc (Layout::get_output_section): Add order parameter.
3679         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3680         is_first_non_relro parameters.  Change all callers.
3681         (Layout::choose_output_section): Likewise.
3682         (Layout::add_output_section_data): Likewise.
3683         (Layout::make_output_section): Likewise.  Set order.
3684         (Layout::default_section_order): New function.
3685         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3686         * output.cc (Output_section::Output_section): Initialize order_.
3687         Don't initialize deleted fields.
3688         (Output_segment::Output_segment): Don't initialize deleted
3689         fields.
3690         (Output_segment::add_output_section_to_load): New function
3691         replacing add_output_section.  Change all callers to call this or
3692         add_output_section_to_nonload.
3693         (Output_segment::add_output_section_to_nonload): New function.
3694         (Output_segment::remove_output_section): Rewrite.
3695         (Output_segment::add_initial_output_data): Likewise.
3696         (Output_segment::has_any_data_sections): Likewise.
3697         (Output_segment::is_first_section_relro): Likewise.
3698         (Output_segment::maximum_alignment): Likewise.
3699         (Output_segment::has_dynamic_reloc): New function replacing
3700         dynamic_reloc_count.  Change all callers.
3701         (Output_segment::has_dynamic_reloc_list): New function replacing
3702         dynamic_reloc_count_list.  Change all callers.
3703         (Output_segment::set_section_addresses): Rewrite.
3704         (Output_segment::set_offset): Rewrite.
3705         (Output_segment::find_first_and_last_list): Remove.
3706         (Output_segment::set_tls_offsets): Rewrite.
3707         (Output_segment::first_section_load_address): Likewise.
3708         (Output_segment::output_section_count): Likewise.
3709         (Output_segment::section_with_lowest_load_address): Likewise.
3710         (Output_segment::write_section_headers): Likewise.
3711         (Output_segment::print_sections_to_map): Likewise.
3712         * output.h (class Output_data): Remove dynamic_reloc_count_
3713         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3714         (Output_data::add_dynamic_reloc): Rewrite.
3715         (Output_data::has_dynamic_reloc): New function.
3716         (Output_data::dynamic_reloc_count): Remove.
3717         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3718         is_last_relro_, is_first_non_relro_, is_interp_,
3719         is_dynamic_linker_section_ fields.  Add order and set_order
3720         functions.  Remove is_relro_local, set_is_relro_local,
3721         is_last_relro, set_is_last_relro, is_first_non_relro,
3722         set_is_first_non_relro functions, is_interp, set_is_interp,
3723         is_dynamic_linker_section, and set_is_dynamic_linker_section
3724         functions.
3725         (class Output_segment): Change Output_data_list from std::list to
3726         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3727         output_bss_ fields.  Update declarations.
3728
3729 2010-08-02  Ian Lance Taylor  <iant@google.com>
3730
3731         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3732         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3733         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3734
3735 2010-08-02  Ian Lance Taylor  <iant@google.com>
3736
3737         PR 11855
3738         * script.cc (Script_options::Script_options): Initialize
3739         symbol_definitions_ and symbol_references_.
3740         (Script_options::add_symbol_assignment): Update
3741         symbol_definitions_ and symbol_references_.
3742         (Script_options::add_symbol_reference): New function.
3743         (script_symbol): New function.
3744         * script.h (class Script_options): Add symbol_definitions_ and
3745         symbol_references_ fields.
3746         (Script_options::referenced_const_iterator): New type.
3747         (Script_options::referenced_begin): New function.
3748         (Script_options::referenced_end): New function.
3749         (Script_options::is_referenced): New function.
3750         (Script_options::any_unreferenced): New function.
3751         * script-c.h (script_symbol): Declare.
3752         * yyscript.y (exp): Call script_symbol.
3753         * symtab.cc: Include "script.h".
3754         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3755         Change all callers.  Check symbols referenced by scripts.
3756         (Symbol_table::add_undefined_symbols_from_command_line): Add
3757         layout parameter.  Change all callers.
3758         (Symbol_table::do_add_undefined_symbols_from_command_line):
3759         Likewise.  Break out loop body.  Check symbols referenced by
3760         scripts.
3761         (Symbol_table::add_undefined_symbol_from_command_line): New
3762         function broken out of
3763         do_add_undefined_symbols_from_command_line.
3764         * symtab.h (class Symbol_table): Update declarations.
3765         * archive.cc: Include "layout.h".
3766         (Archive::should_include_member): Add layout parameter.  Change
3767         all callers.  Check for symbol mentioned in expression.
3768         * archive.h (class Archive): Update declaration.
3769         * object.cc (Sized_relobj::do_should_include_member): Add layout
3770         parameter.
3771         * object.h (Object::should_include_member): Add layout parameter.
3772         Change all callers.
3773         (Object::do_should_include_member): Add layout parameter.
3774         (class Sized_relobj): Update declaration.
3775         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3776         parameter.
3777         * dynobj.h (class Sized_dynobj): Update declaration.
3778         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3779         layout parameter.
3780         * plugin.h (class Sized_pluginobj): Update declaration.
3781
3782 2010-08-02  Ian Lance Taylor  <iant@google.com>
3783
3784         PR 11866
3785         * output.cc (Output_segment::set_offset): Search for the first and
3786         last sections rather than assuming that the list is in order.
3787         (Output_segment::find_first_and_last_list): New function.
3788         * output.h (class Output_segment): Update declarations.
3789         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3790         (relro_strip_test_SOURCES): New variable.
3791         (relro_strip_test_DEPENDENCIES): New variable.
3792         (relro_strip_test_LDFLAGS): New variable.
3793         (relro_strip_test_LDADD): New variable.
3794         (relro_strip_test.so): New target.
3795
3796 2010-08-02  Ian Lance Taylor  <iant@google.com>
3797
3798         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3799         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3800         (Target_i386::got_tlsdesc_section): New function.
3801         (Target_i386::got_section): Create space for GOT entries for
3802         TLSDESC relocations.
3803         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3804         R_386_TLS_GOTDESC.
3805         (Target_i386::Scan::global): Likewise.
3806         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3807         using TLSDESC GOT.
3808         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3809         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3810         (Target_x86_64::got_tlsdesc_section): New function.
3811         (Target_x86_64::got_section): Create space for GOT entries for
3812         TLSDESC relocations.
3813         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3814         R_386_TLS_GOTDESC.
3815         (Target_x86_64::Scan::global): Likewise.
3816         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3817         using TLSDESC GOT.
3818
3819 2010-08-02  Ian Lance Taylor  <iant@google.com>
3820
3821         * testsuite/final_layout.sh: Use dc to convert from hex to
3822         decimal.
3823
3824 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3825
3826         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3827         paramter to the call to gold::gc_process_relocs.
3828         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3829         paramter to the call to gold::gc_process_relocs.
3830         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3831         parameter to the call to gold::gc_process_relocs.
3832         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3833         template parameter to the call to gold::gc_process_relocs.
3834         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3835         paramter to the call to gold::gc_process_relocs.
3836         * gc.h (get_embedded_addend_size): New function.
3837         (gc_process_relocs): Save the size of the reloc for use by ICF.
3838         * icf.cc (get_section_contents): Get the addend from the text section
3839         for SHT_REL relocation sections.
3840         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3841         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3842         * int_encoding.h (read_from_pointer): New overloaded function.
3843         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3844         * testsuite/icf_sht_rel_addend_test.sh: New file.
3845         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3846         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3847
3848 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3849
3850         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3851         * Makefile.in: Regenerate.
3852         * testsuite/Makefile.in: Regenerate.
3853
3854 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3855
3856         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3857         * gold/testsuite/debug_msg.cc: Likewise.
3858         * gold/testsuite/odr_violation1.cc
3859         * gold/testsuite/odr_violation2.cc
3860
3861 2010-07-21  Cary Coutant  <ccoutant@google.com>
3862
3863         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3864         string, and length fields.
3865         (Output_merge_string::Merged_strings_list): New type.
3866         (Output_merge_string::Merged_strings_lists): New typedef.
3867         (Output_merge_string): Replace merged_strings_ with
3868         merged_strings_lists_.
3869         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3870         Merged_strings_list per input object and section.  Don't store pointer
3871         to the string.  Don't store length with each merged string entry.
3872         (Output_merge_string::finalize_merged_data): Loop over list of merged
3873         strings lists.  Recompute length of each merged string.
3874
3875 2010-07-15  Cary Coutant  <ccoutant@google.com>
3876
3877         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3878         here.
3879
3880 2010-07-14  Ian Lance Taylor  <iant@google.com>
3881
3882         * descriptors.cc (Descriptors::open): Report correct name in error
3883         message.
3884
3885 2010-07-13  Doug Kwan  <dougkwan@google.com>
3886
3887         * arm.cc (Arm_input_section::Arm_input_section): For a
3888         SHT_ARM_EXIDX section, always keeps the input sections.
3889         (Arm_input_section::set_exidx_section_link): New method.
3890         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3891         has_errors_ to false.
3892         (Arm_exidx_input_section::has_errors,
3893         Arm_exidx_input_section::set_has_errors): New methods.
3894         (Arm_exidx_input_section::has_errors_): New data member.
3895         (Arm_relobj::get_exidx_shndx_list): New method.
3896         (Arm_output_section::append_text_sections_to_list): Do not skip
3897         section without SHF_EXECINSTR.
3898         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3899         errors.
3900         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3901         section header.  Make error messages more verbose.  Check for
3902         a non-executable section linked to an EXIDX section.
3903         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3904         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3905         check that there is no deferred EXIDX section if we exit early.
3906         Instead of not making an EXIDX section in case of an error, make one
3907         and set the has_errors flag of it.
3908         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3909         in a relocatable link.
3910         (Target_arm::do_relax): Look for the EXIDX output section instead of
3911         assuming that it is called .ARM.exidx.
3912         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3913         section list.  Do not check for SHF_EXECINSTR section flags but
3914         skip any input section with errors.
3915         * output.cc (Output_section::Output_section): Initialize
3916         always_keeps_input_sections_ to false.
3917         (Output_section::add_input_section): Check for
3918         always_keeps_input_sections_.
3919         *  output.h (Output_section::always_keeps_input_sections,
3920         Output_section::set_always_keeps_input_sections): New methods.
3921         (Output_section::always_keeps_input_sections): New data member.
3922
3923 2010-07-13  Rafael Espindola  <espindola@google.com>
3924
3925         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3926         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3927
3928 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3929             Ian Lance Taylor  <iant@google.com>
3930
3931         * output.h (Output_section_lookup_maps::add_merge_section):
3932         Correct check of whether value was inserted.
3933         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3934         (Output_section_lookup_maps::add_relaxed_input_section):
3935         Likewise.
3936         * arm.cc (Target_arm::got_section): Remove used local os.
3937         * i386.cc (Target_i386::got_section): Likewise.
3938         * x86_64.cc (Target_x86_64::got_section): Likewise.
3939         * sparc.cc (Target_sparc::got_section): Likewise.
3940         (Target_sparc::relocate): Remove unused local have_got_offset.
3941         * powerpc.cc (Target_powerpc::relocate): Likewise.
3942
3943 2010-07-13  Ian Lance Taylor  <iant@google.com>
3944
3945         * compressed_output.cc (zlib_decompress): Fix signature in
3946         !HAVE_ZLIB_H case.
3947
3948         * archive.cc (Archive::include_member): Unlock an external member
3949         of a thin archive.  Don't bother to delete an object we know is
3950         NULL.
3951
3952 2010-07-12  Cary Coutant  <ccoutant@google.com>
3953
3954         * compressed_output.cc (zlib_decompress): New function.
3955         (get_uncompressed_size): New function.
3956         (decompress_input_section): New function.
3957         * compressed_output.h (get_uncompressed_size): New function.
3958         (decompress_input_section): New function.
3959         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3960         Handle compressed debug sections.
3961         * layout.cc (is_compressed_debug_section): New function.
3962         (Layout::output_section_name): Map compressed section names to
3963         canonical names.
3964         * layout.h (is_compressed_debug_section): New function.
3965         (is_debug_info_section): Recognize compressed debug sections.
3966         * merge.cc: Include compressed_output.h.
3967         (Output_merge_data::do_add_input_section): Handle compressed
3968         debug sections.
3969         (Output_merge_string::do_add_input_section): Handle compressed
3970         debug sections.
3971         * object.cc: Include compressed_output.h.
3972         (Sized_relobj::Sized_relobj): Initialize new data members.
3973         (build_compressed_section_map): New function.
3974         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3975         * object.h (Object::section_is_compressed): New method.
3976         (Object::do_section_is_compressed): New method.
3977         (Sized_relobj::Compressed_section_map): New type.
3978         (Sized_relobj::do_section_is_compressed): New method.
3979         (Sized_relobj::compressed_sections_): New data member.
3980         * output.cc (Output_section::add_input_section): Handle compressed
3981         debug sections.
3982         * reloc.cc: Include compressed_output.h.
3983         (Sized_relobj::write_sections): Handle compressed debug sections.
3984
3985 2010-07-08  Cary Coutant  <ccoutant@google.com>
3986
3987         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3988         weak when resolving to a dynamic def.
3989         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3990         for weak undef/dynamic def cases. Adjust callers.
3991         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3992         undef_binding_weak_.
3993         (Symbol_table::sized_write_globals): Adjust symbol binding.
3994         (Symbol_table::sized_write_symbol): Add binding parameter.
3995         * symtab.h (Symbol::set_undef_binding): New method.
3996         (Symbol::is_undef_binding_weak): New method.
3997         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3998         (Symbol_table::should_override): Add new parameter.
3999         (Symbol_table::sized_write_symbol): Add new parameter.
4000
4001         * testsuite/weak_undef_file1.cc: Add new test case.
4002         * testsuite/weak_undef_file2.cc: Fix header comment.
4003         * testsuite/weak_undef_test.cc: Add new test case.
4004
4005 2010-06-29  Doug Kwan  <dougkwan@google.com>
4006
4007         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4008         Initialize USE_SYMBOL_.
4009         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4010         definition.
4011         (Arm_reloc_property::uses_symbol_): New data member declaration.
4012         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4013         uses symbol value and symbol is undefined but not weakly undefined.
4014
4015 2010-06-28  Rafael Espindola  <espindola@google.com>
4016
4017         * plugin.cc (Plugin::load): Use dlerror.
4018
4019 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4020
4021         * symtab.cc (detect_odr_violations): When reporting an ODR
4022         violation, report an object where the symbol is defined.
4023
4024 2010-06-25  Doug Kwan  <dougkwan@google.com>
4025
4026         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4027         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4028         definition.
4029         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4030         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4031         target hook to detect function points.
4032         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4033         * icf.h (Icf::check_section_for_function_pointers): Change type of
4034         parameter SECTION_NAME to const reference to std::string.  Use
4035         target hook to determine if section may have unsafe pointers.
4036         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4037         method definition.
4038
4039 2010-06-21  Rafael Espindola  <espindola@google.com>
4040
4041         * fileread.cc (Input_file::find_fie): New
4042         (Input_file::open): Use Input_file::find_fie.
4043         * fileread.h (Input_file::find_fie): New
4044         * plugin.cc (set_extra_library_path): New.
4045         (Plugin::load): Add set_extra_library_path to the transfer vector.
4046         (Plugin_manager::set_extra_library_path): New.
4047         (Plugin_manager::add_input_file): Use the extra search path if set.
4048         (set_extra_library_path(): New.
4049         * plugin.h (Plugin_manager): Add set_extra_library_path and
4050         extra_search_path_.
4051
4052 2010-06-19  Cary Coutant  <ccoutant@google.com>
4053
4054         * layout.cc (gdb_sections): Add .debug_types.
4055         (lines_only_debug_sections): Likewise.
4056
4057 2010-06-18  Rafael Espindola  <espindola@google.com>
4058
4059         * plugin.cc (add_input_file,add_input_library)
4060         (Plugin_manager::add_input_file): Make filename arguments const.
4061         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4062         const.
4063
4064 2010-06-16  Doug Kwan  <dougkwan@google.com>
4065
4066         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4067         .ARM.attributes section if we have not merged any input
4068         attributes sections.
4069
4070 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4071
4072         * arm.cc: Allow combining objects with no EABI version
4073         information.
4074
4075 2010-06-15  Rafael Espindola  <espindola@google.com>
4076
4077         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4078
4079 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4080
4081         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4082         (struct iovec): Correct !HAVE_READV definition.
4083
4084 2010-06-10  Cary Coutant  <ccoutant@google.com>
4085
4086         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4087         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4088         reloc sections.
4089         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4090
4091         PR 11683
4092         * symtab.h (Symbol::is_placeholder): New member function.
4093         * target-reloc.h (relocate_section): Check for placeholder symbols.
4094
4095         * testsuite/Makefile.am (plugin_test_8): New test.
4096         (plugin_test_9): New test.
4097         * testsuite/Makefile.in: Regenerate.
4098
4099 2010-06-09  Nick Clifton  <nickc@redhat.com>
4100
4101         * yyscript.y (input_list_element): Allow strings prefixed with
4102         the '-' character.  Treat these as libraries.
4103         * script.cc (script_add_library): New function.  Adds a library
4104         specified by "-l<name>" found in an input script.
4105         * script-c.h: Add prototype for script_add_library.
4106
4107 2010-06-07  Doug Kwan  <dougkwan@google.com>
4108
4109         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4110         Restrict stub-group size to be within long conditional branch
4111         range when working around cortex-A8 erratum.
4112
4113 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4114
4115         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4116         #ifdef typo.
4117
4118 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4119
4120         PR gold/11658
4121         * output.cc
4122         (Output_section::Input_section_sort_entry::compare_section_ordering):
4123         Change to return non-zero correctly.
4124         (Output_section::Input_section_sort_section_order_index_compare
4125         ::operator()): Change to fix ambiguity in comparisons.
4126
4127 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4128
4129         * gold.h (is_wildcard_string): New function.
4130         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4131         (Layout::layout_eh_frame): Ditto.
4132         (Layout::find_section_order_index): New method.
4133         (Layout::read_layout_from_file): New method.
4134         * layout.h (Layout::find_section_order_index): New method.
4135         (Layout::read_layout_from_file): New method.
4136         (Layout::input_section_position_): New private member.
4137         (Layout::input_section_glob_): New private member.
4138         * main.cc (main): Call read_layout_from_file here.
4139         * options.h (--section-ordering-file): New option.
4140         * output.cc (Output_section::input_section_order_specified_): New
4141         member.
4142         (Output_section::Output_section): Initialize new member.
4143         (Output_section::add_input_section): Add new parameter.
4144         Keep input sections when --section-ordering-file is used.
4145         (Output_section::set_final_data_size): Sort input sections when
4146         section ordering file is specified.
4147         (Output_section::Input_section_sort_entry): Add new parameter.
4148         Check sorting type.
4149         (Output_section::Input_section_sort_entry::compare_section_ordering):
4150         New method.
4151         (Output_section::Input_section_sort_compare::operator()): Change to
4152         consider section_order_index.
4153         (Output_section::Input_section_sort_init_fini_compare::operator()):
4154         Change to consider section_order_index.
4155         (Output_section::Input_section_sort_section_order_index_compare
4156         ::operator()): New method.
4157         (Output_section::sort_attached_input_sections): Change to sort
4158         according to section order when specified.
4159         (Output_section::add_input_section<32, true>): Add new parameter.
4160         (Output_section::add_input_section<64, true>): Add new parameter.
4161         (Output_section::add_input_section<32, false>): Add new parameter.
4162         (Output_section::add_input_section<64, false>): Add new parameter.
4163         * output.h (Output_section::add_input_section): Add new parameter.
4164         (Output_section::input_section_order_specified): New
4165         method.
4166         (Output_section::set_input_section_order_specified): New method.
4167         (Input_section::Input_section): Initialize section_order_index_.
4168         (Input_section::section_order_index): New method.
4169         (Input_section::set_section_order_index): New method.
4170         (Input_section::section_order_index_): New member.
4171         (Input_section::Input_section_sort_section_order_index_compare): New
4172         struct.
4173         (Output_section::input_section_order_specified_): New member.
4174         * script-sections.cc (is_wildcard_string): Delete and move modified
4175         method to gold.h.
4176         (Output_section_element_input::Output_section_element_input): Modify
4177         call to is_wildcard_string.
4178         (Output_section_element_input::Input_section_pattern
4179         ::Input_section_pattern): Ditto.
4180         (Output_section_element_input::Output_section_element_input): Ditto.
4181         * testsuite/Makefile.am (final_layout): New test case.
4182         * testsuite/Makefile.in: Regenerate.
4183         * testsuite/final_layout.cc: New file.
4184         * testsuite/final_layout.sh: New file.
4185
4186 2010-06-01  Rafael Espindola  <espindola@google.com>
4187
4188         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4189
4190 2010-06-01  Rafael Espindola  <espindola@google.com>
4191
4192         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4193         visibility of symbols.
4194
4195 2010-05-27  Doug Kwan  <dougkwan@google.com>
4196
4197         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4198         from start of output section instead of address for a local symbol
4199         in a merged or relaxed section when doing a relocatable link.
4200
4201 2010-05-26  Rafael Espindola  <espindola@google.com>
4202
4203        PR 11604
4204         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4205         adding sections the garbage collector removed.
4206         * gold/testsuite/Makefile.am: Add test.
4207         * gold/testsuite/Makefile.in: Regenerate.
4208         * gold/testsuite/plugin_test_7.sh: New.
4209         * gold/testsuite/plugin_test_7_1.c: New.
4210         * gold/testsuite/plugin_test_7_2.c: New.
4211
4212 2010-05-26  Rafael Espindola  <espindola@google.com>
4213
4214         * script-sections.cc (Output_section_definition::set_section_addresses):
4215         Check for --section-start.
4216
4217 2010-05-26  Doug Kwan  <dougkwan@google.com>
4218
4219         * arm.cc (Arm_scan_relocatable_relocs): New class.
4220         (Target_arm::relocate_special_relocatable): New method.
4221         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4222         (Arm_relocate_functions::thumb_branch_common): Same.
4223         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4224         instead of Default_scan_relocatable_relocs.
4225         * target-reloc.h (relocate_for_relocatable): Let target handle
4226         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4227         * target.h (Sized_target::relocate_special_relocatable): New method.
4228
4229 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4230
4231         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4232
4233 2010-05-23  Doug Kwan  <dougkwan@google.com>
4234
4235         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4236         instead of a cast.
4237         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4238         with a direct branch, not a conditional branch, to a stub.
4239         * merge.cc (Output_merge_base::record_input_section): New method
4240         defintion.
4241         (Output_merge_data::do_add_input_section): Record input section if
4242         keeps-input-sections flag is set.
4243         (Output_merge_string::do_add_input_section): Ditto.
4244         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4245         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4246         INPUT_SECTIONS_.
4247         (Output_merge_base::keeps_input_sections,
4248         Output_merge_base::set_keeps_input_sections,
4249         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4250         method definitions.
4251         (Output_merge_base::Input_sections): New type declaration.
4252         (Output_merge_base::input_sections_begin,
4253         Output_merge_base::input_sections_end,
4254         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4255         (Output_merge_base::bool keeps_input_sections_,
4256         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4257         Output_merge_base::input_sections_): New data members.
4258         (Output_merge_data::do_set_keeps_input_sections): New method
4259         defintion.
4260         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4261         * output.cc (Output_section::Input_section::relobj): Move method
4262         defintion from class declaration to here and handle merge sections.
4263         (Output_section::Input_section::shndx): Ditto.
4264         (Output_section::Output_section): Remove initializations of removed
4265         data members and initialize new data member LOOKUP_MAPS_.
4266         (Output_section::add_input_section): Set keeps-input-sections flag
4267         for a newly created merge output section as appropriate.  Adjust code
4268         to use Output_section_lookup_maps class.
4269         (Output_section::add_relaxed_input_section): Adjst code for lookup
4270         maps code refactoring.
4271         (Output_section::add_merge_input_section): Add a new parameter
4272         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4273         class.  If adding input section to a newly created merge output
4274         section fails, remove the new merge section.
4275         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4276         Adjust code for use of the Output_section_lookup_maps class.
4277         (Output_section::find_merge_section): Ditto.
4278         (Output_section::build_lookup_maps): New method defintion.
4279         (Output_section::find_relaxed_input_section): Adjust code to use
4280         Output_section_lookup_maps class.
4281         (Output_section::get_input_sections): Export merge sections.  Adjust
4282         code to use Output_section_lookup_maps class.
4283         (Output_section:::add_script_input_section): Adjust code to use
4284         Output_section_lookup_maps class.  Update lookup maps for merge
4285         sections also.
4286         (Output_section::discard_states): Use Output_section_lookup_maps.
4287         (Output_section::restore_states): Same.
4288         * output.h (Merge_section_properties): Move class defintion out of
4289         Output_section.
4290         (Output_section_lookup_maps): New class.
4291         (Output_section::Input_section::is_merge_section): New method
4292         defintion.
4293         (Output_section::Input_section::relobj): Move defintion out of class
4294         defintion.  Declare method only.
4295         (Output_section::Input_section::shndx): Ditto.
4296         (Output_section::Input_section::output_merge_base): New method defintion.
4297         (Output_section::Input_section::u2_.pomb): New union field.
4298         (Output_section::Merge_section_by_properties_map,
4299         Output_section::Output_section_data_by_input_section_map,
4300         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4301         Remove types.
4302         (Output_section::add_merge_input_section): Add new parameter
4303         KEEPS_INPUT_SECTIONS.
4304         (Output_section::build_lookup_maps): New method declaration.
4305         (Output_section::merge_section_map_,
4306         Output_section::merge_section_by_properties_map_,
4307         Output_section::relaxed_input_section_map_,
4308         Output_section::is_relaxed_input_section_map_valid_): Remove data
4309         members.
4310         (Output_section::lookup_maps_): New data member.
4311
4312 2010-05-21  Doug Kwan  <dougkwan@google.com>
4313
4314         PR gold/11619
4315         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4316         avoid a compilation error.
4317
4318 2010-05-19  Rafael Espindola  <espindola@google.com>
4319
4320         * script-sections.cc (Output_section_definition::allocate_to_segment):
4321         Update the phdrs_list even when the output section is NULL.
4322         * testsuite/Makefile.am: Add test.
4323         * testsuite/Makefile.in: Regenerate.
4324         * testsuite/script_test_9.cc: New.
4325         * testsuite/script_test_9.sh: New.
4326         * testsuite/script_test_9.t: New.
4327
4328 2010-05-19  Doug Kwan  <dougkwan@google.com>
4329
4330         * arm.cc (Arm_input_section::original_size): New method.
4331         (Arm_input_section::do_addralign): Add a cast.
4332         (Arm_input_section::do_output_offset): Remove static cast.
4333         (Arm_input_section::original_addralign,
4334          Arm_input_section::original_size_): Change type to uint32_t.
4335         (Arm_input_section::init): Add safe casts for section alignment
4336         and size.
4337         (Arm_input_section::set_final_data_size): Do not set address and
4338         offset of stub table.
4339         (Arm_output_section::fix_exidx_coverage): Change use of of
4340         Output_section::Simple_input_section to that of
4341         Output_section::Input_section.
4342         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4343         except for the first pass.
4344         * output.cc (Output_section::get_input_sections): Change type of
4345         input_sections to std::list<Input_section>.
4346         (Output_section::add_script_input_section): Rename from
4347         Output_section::add_simple_input_section.  Change type of SIS
4348         parameter from Simple_input_section to Input_section.
4349         * output.h (Output_section::Simple_input_section): Remove class.
4350         (Output_section::Input_section): Change class visibility to public.
4351         (Output_section::Input_section::addralign): Use stored alignments
4352         for special input sections if set.
4353         (Output_section::Input_section::set_addralign): New method.
4354         (Output_section::get_input_sections): Change parameter type from
4355         list of Simple_input_section to list of Input_section.
4356         (Output_section::add_script_input_section): Rename from
4357         Output_section::add_simple_input_section. Change first parameter's
4358         type from Simple_input_section to Input_section and remove the
4359         second and third parameters.
4360         * script-sections.cc (Input_section::Input_section_list): Change
4361         type to list of Output_section::Input_section/
4362         (Input_section_info::Input_section_info): Change parameter type of
4363         INPUT_SECTION to Output_section::Input_section.
4364         (Input_section_info::input_section): Change return type.
4365         (Input_section_info::input_section_): Change type to
4366         Output_section::Input_section.
4367         (Output_section_element_input::set_section_addresses): Adjust code
4368         to use Output_section::Input_section instead of
4369         Output_section::Simple_input_section.  Adjust code for renaming
4370         of Output_section::add_simple_input_section.
4371         (Orphan_output_section::set_section_addresses): Ditto.
4372
4373 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4374
4375         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4376         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4377
4378 2010-05-18  Rafael Espindola  <espindola@google.com>
4379
4380         * options.cc (General_options::finalize): Handle -nostdlib.
4381         * options.h (nostdlib): New option.
4382         * script.cc (script_add_search_dir): Handle -nostdlib.
4383
4384 2010-05-12  Doug Kwan  <dougkwan@google.com>
4385
4386         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4387         attributes section only if there no attributes section after merging.
4388         (Target_arm::merge_object_attributes): Move value of
4389         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4390         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4391         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4392         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4393         and arm_attr_merge_7.stdout.
4394         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4395         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4396         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4397         arm_attr_merge_7b.o): New rules.
4398         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4399         arm_attr_merge_7
4400         * testsuite/Makefile.in: Regenerate.
4401         * testsuite/arm_attr_merge.sh: New file.
4402         * testsuite/arm_attr_merge_[67][ab].s: Same.
4403
4404 2010-05-05  Nick Clifton  <nickc@redhat.com>
4405
4406         * po/es.po: Updated Spanish translation.
4407
4408 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4409
4410         * Makefile.am (install-exec-local): Properly install gold as
4411         default cross linker.
4412         * Makefile.in: Regenerated.
4413
4414 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4415             Nick Clifton  <nickc@redhat.com>
4416
4417         * configure.ac (install_as_default): Define and set to false
4418         unless --enable-gold or --enable-gold=both/gold has been
4419         specified.
4420         * configure: Regenerate.
4421
4422         * Makefile.am (install-exec-local): Install the executable as
4423         'ld.gold'.  If install_as_default is true then also install it as
4424         'ld'.
4425         * Makefile.in: Regenerated.
4426
4427 2010-04-24  Ian Lance Taylor  <iant@google.com>
4428
4429         * layout.cc (Layout::layout_reloc): In relocatable link don't
4430         combine reloc sections for grouped sections.
4431
4432 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4433
4434         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4435         sections that are not ordinary to icf.
4436         * icf.cc (get_section_contents): Handle relocation pointing to section
4437         with no object or shndx information.
4438         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4439         * testsuite/Makefile.in: Regenerate.
4440         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4441         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4442
4443 2010-04-22  Ian Lance Taylor  <iant@google.com>
4444
4445         * expression.cc (Expression::Expression_eval_info): Add
4446         result_alignment_pointer field.
4447         (Expression::eval_with_dot): Add result_alignment_pointer
4448         parameter.  Change all callers.
4449         (Expression::eval_maybe_dot): Likewise.
4450         (class Binary_expression): Add alignment_pointer parameter to
4451         left_value and right_value.  Change all callers.
4452         (BINARY_EXPRESSION): Set result alignment.
4453         (class Trinary_expression): Add alignment_pointer parameter to
4454         arg2_value and arg3_value.  Change all callers.
4455         (Trinary_cond::value): Set result alignment.
4456         (Max_expression::value, Min_expression::value): Likewise.
4457         (Align_expression::value): Likewise.
4458         * script-sections.cc (class Sections_element): Add dot_alignment
4459         parameter to set_section_addresses virtual function.  Update
4460         instantiations.
4461         (class Output_section_element): Likewise.
4462         (Script_sections::create_segments): Add dot_alignment parameter.
4463         Change all callers.
4464         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4465         (Script_sections::set_phdrs_clause_addresses): Likewise.
4466         * script-sections.h: Update declarations.
4467         * script.h: Update declarations.
4468         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4469         min_p_align.
4470         * testsuite/script_test_3.t: Set large alignment.
4471         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4472         segment has expected alignment.
4473
4474 2010-04-22  Nick Clifton  <nickc@redhat.com>
4475
4476         * po/gold.pot: Updated by the Translation project.
4477         * po/vi.po: Updated Vietnamese translation.
4478
4479 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4480
4481         * testsuite/Makefile.am (check_PROGRAMS): Add
4482         icf_virtual_function_folding_test.
4483         * testsuite/Makefile.in: Regenerated.
4484
4485 2010-04-15  Andrew Haley  <aph@redhat.com>
4486
4487         * options.h (merge_exidx_entries): New option.
4488         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4489         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4490         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4491         (Target_arm::merge_exidx_entries): New function.
4492         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4493         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4494         to Arm_exidx_fixup constructor.
4495         Add new arg, merge_exidx_entries.
4496         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4497         Arm_output_section::fix_exidx_coverage.
4498
4499 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4500
4501         * icf.cc (get_section_contents): Check for preemptible functions.
4502         Ignore addend when appropriate.
4503         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4504         section folded.
4505         (add_from_relobj): Check for section folded.
4506         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4507         * symtab.h (should_add_dynsym_entry): Add new parameter.
4508         * target-reloc.h (scan_relocs): Check for section folded.
4509         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4510         Check reloc types for function pointers in shared objects.
4511         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4512         case.
4513         (icf_preemptible_functions_test): New test case.
4514         (icf_string_merge_test): New test case.
4515         * testsuite.Makefile.in: Regenerate.
4516         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4517         bar_glob.  Refactor code.
4518         * testsuite/icf_preemptible_functions_test.cc: New file.
4519         * testsuite/icf_preemptible_functions_test.sh: New file.
4520         * testsuite/icf_string_merge_test.cc: New file.
4521         * testsuite/icf_string_merge_test.sh: New file.
4522         * testsuite/icf_virtual_function_folding_test.cc: New file.
4523         * testsuite/icf_virtual_function_folding_test.sh: New file.
4524
4525 2010-04-14  Doug Kwan  <dougkwan@google.com>
4526
4527         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4528         for local symbol recounting if we remove a section due to ICF.
4529         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4530         there are no regular objects in input.
4531
4532 2010-04-13  Doug Kwan  <dougkwan@google.com>
4533
4534         * arm.cc (Arm_input_section::set_final_data_size): Compute
4535         accurate final data size instead of using current data size.
4536
4537 2010-04-09  Doug Kwan  <dougkwan@google.com>
4538
4539         * layout.cc (Layout::choose_output_section): Handle script section
4540         types.
4541         (Layout::make_output_section_for_script): Add section type parameter.
4542         Handle script section types.
4543         * layout.h (Layout::make_output_section_for_script): Add section
4544         type parameter.
4545         * output.cc (Output_section::Output_section): Initialize data member
4546         is_noload_.
4547         (Output_section::do_reset_address_and_file_offset): Do not set address
4548         to 0 if section is a NOLOAD section.
4549         * output.h (Output_section::is_noload): New method.
4550         (Output_section::set_is_noload): Ditto.
4551         (Output_section::is_noload_): New data member.
4552         * script-c.h (Script_section_type): New enum type.
4553         (struct Parser_output_section_header): Add new file section_type.
4554         * script-sections.cc (Sections_element::output_section_name): Add
4555         parameter for returning script section type.
4556         (Output_section_definition::output_section_name): Ditto.
4557         (Output_section_definition::section_type)P; New method.
4558         (Output_section_definiton::script_section_type_name): Ditto.
4559         (Output_section_definition::script_section_type_): New data member.
4560         (Output_section_definition::Output_section_definition): Initialize
4561         data member Output_section_definition::script_section_type_.
4562         (Output_section_definition::create_sections): Pass script section type
4563         to Layout::make_output_section_for_script.
4564         (Output_section_definition::output_section_name): Return script
4565         section type to caller.
4566         (Output_section_definition::set_section_address): Do not advance
4567         dot value and load address if section type is NOLOAD.  Set address
4568         of NOLOAD sections regardless of section flags.
4569         (Output_section_definition::print): Print section type if it is
4570         not SCRIPT_SECTION_TYPE_NONE.
4571         (Output_section_definition::section_type): New method.
4572         (Output_section_definition::script_section_type_name): Ditto.
4573         (Script_sections::output_section_name): Add new parameter
4574         PSECTION_TYPE for returning script section type.  Pass it to
4575         section elements.  Handle discard sections.
4576         (Sort_output_sections::operator()): Handle NOLOAD sections.
4577         * script-sections.h (Script_sections::Section_type): New enum type.
4578         (Script_sections::output_section_name): Add a new parameter for
4579         returning script section type.
4580         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4581         INFO and NOLOAD.
4582         * yyscript.y (union): Add new field SECTION_TYPE.
4583         (COPY, DSECT, INFO, NOLOAD): New tokens.
4584         (opt_address_and_section_type): Change type to output_section_header.
4585         (section_type): New non-terminal
4586         (section_header): Handle section type.
4587         (opt_address_and_section_type): Return section type value.
4588
4589 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4590
4591         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4592         * testsuite/plugin_common_test_2.c (foo): Likewise.
4593
4594 2010-04-08  Doug Kwan  <dougkwan@google.com>
4595
4596         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4597         Output_merge_data.
4598         * output.cc (Output_section::add_merge_input_section): Simplify
4599         code and return status of Output_merge_base::add_input_section.
4600         Update merge section map only if Output_merge_base::add_input_section
4601         returns true.
4602
4603 2010-04-07  Doug Kwan  <dougkwan@google.com>
4604
4605         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4606         if section is marked as containing instructions but has no mapping
4607         symbols.
4608         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4609         correct section index.
4610         (Arm_relobj::find_linked_text_section): Ditto.
4611
4612 2010-04-07  Cary Coutant  <ccoutant@google.com>
4613
4614         * archive.cc (include_member): Destroy Read_symbols_data object before
4615         releasing file.
4616         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4617         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4618         (Read_symbols_data::~Read_symbols_data) New destructor.
4619         (Section_relocs::Section_relocs) New constructor.
4620         (Section_relocs::~Section_relocs) New destructor.
4621         (Read_relocs_data::Read_relocs_data) New constructor.
4622         (Read_relocs_data::~Read_relocs_data) New destructor.
4623         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4624         pointers to NULL after deleting.
4625
4626 2010-04-07  Doug Kwan  <dougkwan@google.com>
4627
4628         * arm.cc: Replace "endianity" with "endianness" in comments.
4629         (Arm_exidx_cantunwind): Ditto.
4630         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4631         (Arm_relobj::merge_flags_and_attributes): New method.
4632         (Arm_relobj::merge_flags_and_attributes_): New data member.
4633         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4634         (Arm_relobj::scan_sections_for_stubs): Ditto.
4635         (Arm_relobj::do_read_symbols): Check to see if we really want to
4636         merge processor-specific flags and attributes.  Exit early if
4637         an object is empty except for section names and the undefined symbol.
4638         (Target_arm::do_finalize_sections): Move check for ELF format to
4639         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4640         attributes from a regular object only when we have determined that
4641         it is aapropriate.  Do not create an .ARM.attributes section in
4642         output if there is no regular input object.
4643         (Target_arm::merge_processor_specific_flags): Check
4644         --warn-mismatch before printing any error.
4645         (Target_arm::merge_object_attributes): Ditto.
4646         * gold.cc (queue_middle_tasks): Handle the case in which there is
4647         no regular object in input.
4648         * options.cc (General_options::parse_EB): New method.
4649         (General_options::parse_EL): Same.
4650         (General_options::General_options): Initialize endianness_.
4651         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4652         New options.
4653         (General_options::Endianness): New enum.
4654         (General_options::endianness): New method.
4655         (General_options::endianness_): New data member.
4656         * parameters.cc (Parameters::set_options): Check target endianness.
4657         (Parameters::set_target_once): Ditto.
4658         (Parameters::check_target_endianness): New method.
4659         (parameters_force_valid_target): If either -EL or -EB is specified,
4660         use it to define endianness of default target.
4661         * parameters.h (Parameters::check_target_endianness): New method
4662         declaration.
4663         * target.h (class Target): Change "endianity" to "endianness"
4664         in comments.
4665
4666 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4667
4668         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4669         * configure: Regenerate.
4670         * Makefile.in: Regenerate.
4671         * testsuite/Makefile.in: Regenerate.
4672
4673 2010-04-06  Cary Coutant  <ccoutant@google.com>
4674
4675         gcc PR lto/42757
4676         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4677         prevailing definitions of common symbols.
4678         * testsuite/plugin_test_6.sh: New test case.
4679         * testsuite/plugin_common_test_1.c: New test case.
4680         * testsuite/plugin_common_test_2.c: New test case.
4681         * testsuite/Makefile.am (plugin_test_6): New test case.
4682         * testsuite/Makefile.in: Regenerate.
4683
4684 2010-04-06  Nick Clifton  <nickc@redhat.com>
4685
4686         * po/vi.po: New Vietnamese translation.
4687
4688 2010-03-30  Doug Kwan  <dougkwan@google.com>
4689
4690         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4691
4692 2010-03-25  Doug Kwan  <dougkwan@google.com>
4693
4694         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4695         to avoid a conversion warning on a 32-bit host.
4696
4697 2010-03-24  Ian Lance Taylor  <iant@google.com>
4698
4699         * testsuite/script_test_3.t: Add a TLS segment.
4700         * testsuite/Makefile.am (check_PROGRAMS): Add
4701         tls_phdrs_script_test.
4702         (tls_phdrs_script_test_SOURCES): Define.
4703         (tls_phdrs_script_test_DEPENDENCIES): Define.
4704         (tls_phdrs_script_test_LDFLAGS): Define.
4705         (tls_phdrs_script_test_LDADD): Define.
4706         * testsuite/Makefile.in: Rebuild.
4707
4708 2010-03-23  Cary Coutant  <ccoutant@google.com>
4709
4710         * fileread.cc (find_or_make_view): Fix comment.
4711
4712 2010-03-23  Ian Lance Taylor  <iant@google.com>
4713
4714         * script-sections.cc (class Orphan_section_placement): Define
4715         PLACE_TLS and PLACE_TLS_BSS.
4716         (Orphan_section_placement::Orphan_section_placement): Initialize
4717         new places.
4718         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4719         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4720         (tls_script_test_SOURCES): Define.
4721         (tls_script_test_DEPENDENCIES): Define.
4722         (tls_script_test_LDFLAGS): Define.
4723         (tls_script_test_LDADD): Define.
4724         * testsuite/Makefile.in: Rebuild.
4725
4726 2010-03-22  Doug Kwan  <dougkwan@google.com>
4727
4728         * arm.cc (Arm_relocate_functions::abs8,
4729         Arm_relocate_functions::abs16): Use correct check for overflow
4730         specified in the ARM ELF specs.
4731         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4732         target of a BLX instruction specially.
4733         (Reloc_stub::stub_type_for_reloc): Ditto.
4734         (Relocate::relocate): Use symbolic names instead of numeric relocation
4735         codes to report error.
4736         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4737         workaround.
4738         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4739         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4740         thumb2_blx_out_of_range.stdout
4741         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4742         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4743         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4744         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4745         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4746         thumb2_blx_in_range, thumb2_blx_in_range.o,
4747         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4748         thumb2_blx_out_of_range.o): New rules.
4749         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4750         thumb2_blx_in_range and thumb2_blx_out_of_range.
4751         * testsuite/Makefile.in: Regenerate.
4752         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4753         * testsuite/thumb_blx_in_range.s: New file.
4754         * testsuite/thumb_blx_out_of_range.s: New file.
4755
4756 2010-03-22  Rafael Espindola  <espindola@google.com>
4757
4758         * archive.cc (Should_include): Move to archive.h.
4759         (should_include_member): Make it a member of Archive.
4760         (Lib_group): New.
4761         (Add_lib_group_symbols): New.
4762         * archive.h: Include options.h.
4763         (Archive_member): Moved from Archive.
4764         (Should_include): Moved from archive.cc.
4765         (Lib_group): New.
4766         (Add_lib_group_symbols): New.
4767         * dynobj.cc (do_should_include_member): New.
4768         * dynobj.h (do_should_include_member): New.
4769         * gold.cc (queue_initial_tasks): Update call to queue.
4770         * main.cc (main): Print lib group stats.
4771         * object.cc (do_should_include_member): New.
4772         * object.h: Include archive.h.
4773         (Object::should_include_member): New.
4774         (Object::do_should_include_member): New.
4775         (Sized_relobj::do_should_include_member): New.
4776         * options.cc (General_options::parse_start_lib): New.
4777         (General_options::parse_end_lib): New.
4778         (Input_arguments::add_file): Handle lib groups.
4779         (Input_arguments::start_group): Check we are not in a lib.
4780         (Input_arguments::start_lib): New.
4781         (Input_arguments::end_lib): New.
4782         * options.h (General_options): Add start_lib and end_lib.
4783         (Input_argument::lib_): New.
4784         (Input_argument::lib): New.
4785         (Input_argument::is_lib): New.
4786         (Input_file_lib): New.
4787         (Input_arguments::in_lib_): New.
4788         (Input_arguments::in_lib): New.
4789         (Input_arguments::start_lib): New.
4790         (Input_arguments::end_lib_): New.
4791         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4792         in unused members as preempted.
4793         (Sized_pluginobj::do_should_include_member): New.
4794         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4795         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4796         return the blocker.
4797         (Read_symbols::do_whole_lib_group): New.
4798         (Read_symbols::do_lib_group): New.
4799         (Read_symbols::do_read_symbols): Handle lib groups.
4800         (Read_symbols::get_name): Handle lib groups.
4801         * readsyms.h (Read_symbols): Add an archive member pointer.
4802         (Read_symbols::do_whole_lib_group): New.
4803         (Read_symbols::do_lib_group): New.
4804         (Read_symbols::member_): New.
4805         * script.cc (read_input_script): Update call to queue_soon.
4806
4807 2010-03-19  Doug Kwan  <dougkwan@google.com>
4808
4809         * arm.cc (Stub_table::Stub_table): Initialize new data members
4810         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4811         (Stub_table::add_reloc_stub): Assign stub offset and update
4812         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4813         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4814         New data members.
4815         (Stub_table::update_data_size_and_addralign): Use
4816         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4817         instead of going over all reloc stubs.
4818         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4819         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4820         Stringpool_template::offset_ to size of Stringpool_char.
4821         (Stringpool_template::new_key_offset): Remove code to initialize
4822         Stringpool_template::offset_.
4823         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4824         Stringpool_template::offset_ to zero.
4825
4826 2010-03-15  Doug Kwan  <dougkwan@google.com>
4827
4828         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4829         offset_.
4830         (Stringpool_template::new_key_offset): New method.
4831         (Stringpool_template::add_string): Assign offsets when adding new
4832         strings.
4833         (Stringpool_template::set_string_offsets): Do not set string offsets
4834         when not optimizing.
4835         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4836         member size_.
4837         (Chunked_vector::clear): Clear size_.
4838         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4839         (Chunked_vector::size): Return size_.
4840         (Chunked_vector::push_back): Use size_ to find insert position.
4841         (Chunked_vector::size_): New data member.
4842         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4843         (Stringpool_template::new_key_offset): New method declaration.
4844         (Stringpool_template::offset_): New data member.
4845
4846 2010-03-15   Rafael Espindola  <espindola@google.com>
4847
4848         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4849         Add_symbols' constructor.
4850         * readsyms.h (Add_symbols): Remove the input_group member.
4851
4852 2010-03-10  Ian Lance Taylor  <iant@google.com>
4853
4854         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4855         target to ask whether a reference to a symbol requires a stack
4856         split.
4857         * target.h (Target::is_call_to_non_split): New function.
4858         (Target::do_is_call_to_non_split): Declare virtual function.
4859         * target.cc: Include "symtab.h".
4860         (Target::do_is_call_to_non_split): New function.
4861         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4862
4863 2010-03-10  Cary Coutant  <ccoutant@google.com>
4864
4865         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4866         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4867         (File_read::open[2]): Add whole_file_view_ to list of views.
4868         (File_read::make_view): Remove test of whole_file_view_.
4869         (File_read::find_or_make_view): Create whole_file_view_ if
4870         necessary.
4871         (File_read::clear_views): Replace bool parameter with enum;
4872         adjust all callers.  Don't delete views with permanent data;
4873         do delete cached views and views from archives if
4874         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4875         if clearing the corresponding view.
4876         * fileread.h (File_read::Clear_views_mode): New enum.
4877         (File_read::View::is_permanent_view): New method.
4878         (File_read::clear_views): Replace bool parameter
4879         with enum; adjust all callers.
4880         * options.h (General_options): Change keep_files_mapped option;
4881         add map_whole_files.
4882         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4883         releasing the file.
4884         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4885         the file.
4886
4887 2010-03-10  David S. Miller  <davem@davemloft.net>
4888
4889         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4890
4891 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4892
4893         * icf.cc (get_section_contents): Add '@' marker after processing the
4894         merge reloc.
4895
4896 2010-03-08  Doug Kwan  <dougkwan@google.com>
4897
4898         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4899         due to a conversion warning.
4900         (Arm_relobj::update_output_local_symbol_count): Check for local
4901         symbol with unset output index.
4902
4903 2010-03-05  Ian Lance Taylor  <iant@google.com>
4904
4905         * options.h (class General_options): Add --spare-dynamic-tags.
4906         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4907         --spare-dynamic-tags.
4908
4909 2010-03-05  Ian Lance Taylor  <iant@google.com>
4910
4911         * incremental.cc: Include "libiberty.h".
4912
4913 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4914
4915         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4916         function, is_info_ member.
4917         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4918         (Versions::Versions): Update caller.
4919         (Versions::define_base_version): Likewise.
4920         (Versions::add_def): Likewise.
4921
4922 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4923
4924         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4925         (Scan::possible_function_pointer_reloc): New function.
4926         (Scan::local_reloc_may_be_function_pointer): Change to call
4927         possible_function_pointer_reloc.
4928         (Scan::global_reloc_may_be_function_pointer): Ditto.
4929         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4930         relocations in ".data.rel.ro._ZTV" section.
4931         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4932         * testsuite/icf_safe_so_test.cc: Ditto.
4933         * testsuite/icf_safe_test.cc: Ditto.
4934         * testsuite/icf_safe_test.sh: Ditto.
4935
4936 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4937             Ian Lance Taylor  <iant@google.com>
4938
4939         * target-reloc.h (relocate_section): Check the symbol table index
4940         for -1U before setting the local symbol index.
4941         (scan_relocatable_relocs): If copying the relocation, record that
4942         the local symbol is required.
4943         * object.h (Symbol_value::is_output_symtab_index_set): New
4944         function.
4945         (Symbol_value::may_be_discarded_from_output_symtab): New
4946         function.
4947         (Symbol_value::has_output_symtab_entry): New function.
4948         (Symbol_value::needs_output_symtab_entry): Remove.
4949         (Symbol_value::output_symtab_index): Make sure the symbol index is
4950         set.
4951         (Symbol_value::set_output_symtab_index): Make sure the symbol
4952         index is not set.  Make sure the new index is valid.
4953         (Symbol_value::set_must_have_output_symtab_entry): New function.
4954         (Symbol_value::has_output_dynsym_entry): New function.
4955         (Symbol_value::set_output_dynsym_index): Make sure the new index
4956         is valid.
4957         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4958         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4959         local symbol if permitted.
4960         (Sized_relobj::do_finalize_local_symbols): Call
4961         is_output_symtab_index_set rather than needs_output_symtab_entry.
4962         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4963         rather than needs_output_symtab_entry.  Call
4964         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4965         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4966         is_output_symtab_index_set rather than needs_output_symtab_entry.
4967         * testsuite/discard_locals_relocatable_test.c: New file.
4968         * testsuite/discard_locals_test.sh: Test -r.
4969         * testsuite/Makefile.am (check_DATA): Add
4970         discard_locals_relocatable_test1.syms,
4971         discard_local_relocatable_test2.syms.
4972         (MOSTLYCLEANFILES): Likewise.  Also add
4973         discard_locals_relocatable_test1.lout and
4974         discard_locals_relocatable_test2.out.
4975         (discard_locals_relocatable_test1.syms): New target.
4976         (discard_locals_relocatable_test.o): New target.
4977         (discard_locals_relocatable_test1.out): New target.
4978         (discard_locals_relocatable_test2.syms): New target.
4979         (discard_locals_relocatable_test2.out): New target.
4980         (various): Add missing ../ld-new dependencies.
4981         * testsuite/Makefile.in: Rebuild.
4982
4983 2010-03-03  Nick Clifton  <nickc@redhat.com>
4984
4985         * po/fi.po: New Finnish translation.
4986
4987 2010-03-01  Doug Kwan  <dougkwan@google.com>
4988
4989         * layout.cc (Layout::Layout): Force section types of .init_array*,
4990         .preinit_array* and .fini_array* sections.
4991         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4992         Fix check of return value of std::string::find.().
4993         (Output_section::Input_section_sort_compare::operator()): Remove
4994         comment about .init_array.
4995         (Output_section::Input_section_sort_init_fini_compare::operator()):
4996         New method.
4997         (Output_section::sort_attached_input_sections): Handle .init_array
4998         and .fini_array specially.
4999         * output.h (Output_section::Inut_section_sort_compare): Update
5000         comment.
5001         (Output_section::Input_section_sort_init_fini_compare): New struct.
5002
5003 2010-02-26  Doug Kwan  <dougkwan@google.com>
5004
5005         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5006         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5007         * testsuite/debug_msg.sh: Avoid matching source line number for
5008         use of global variable undef_int.
5009
5010 2010-02-26  Doug Kwan  <dougkwan@google.com>
5011
5012         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5013         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5014         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5015         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5016         * options.cc (General_options::General_options): Initialize member
5017         fix_v4bx_.
5018         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5019         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5020         and rm_no_fix_v4bx.stdout
5021         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5022         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5023         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5024         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5025         and arm_no_fix_v4bx.
5026         * Makefile.in: Regenerate.
5027         * testsuite/arm_fix_v4bx.s: New file.
5028         * testsuite/arm_fix_v4bx.sh: Ditto.
5029
5030 2010-02-24  Doug Kwan  <dougkwan@google.com>
5031
5032         * arm.cc (Target_arm::got_section): Make the .got section the first
5033         non RELRO section in the data segment.
5034         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5035         suffixes of section names.
5036
5037 2010-02-24  Doug Kwan  <dougkwan@google.com>
5038
5039         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5040         flags and attributes merging if an input file is a binary file.
5041         * fileread.cc (Input_file::open): Record format of original file.
5042         * fileread.h (Input_file::Format): New enum type.
5043         (Input_file::Input_file): Initialize data member format_.
5044         (Input_file::format): New method definition.
5045         (Input_file::format_):: New data member.
5046
5047 2010-02-24  Doug Kwan  <dougkwan@google.com>
5048
5049         * arm.cc (Arm_output_data_got): New class.
5050         (ARM_TCB_SIZE): New constant
5051         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5052         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5053         If user uses a script with a SECTIONS clause, issue only a warning
5054         for a misplaced EXIDX input section.  Otherwise, issue an error.
5055         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5056         garbage collection.
5057         (Target_arm::got_mode_index_entry): Handle static linking.
5058         (Target_arm::Scan::local): Ditto.
5059         (Target_arm::Scan::global): Ditto.
5060         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5061         all incorrectly implemented relocations.
5062         (Target_arm::fix_exidx_coverage): Pass layout to
5063         Arm_output_section::fix_exidx_coverage.
5064         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5065         from ".ARM.exidx." and ".ARM.extab.".
5066
5067 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5068
5069         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5070         section if it does not already exist.
5071         * attributes.cc (Attributes_section_data::Attributes_section_data):
5072         Don't crash if size is zero.
5073
5074 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5075             Ian Lance Taylor  <iant@google.com>
5076
5077         * gold.cc (queue_middle_tasks): If no input files were opened,
5078         exit.
5079         * workqueue.h (Task_function::Task_function): Assert that there is
5080         a blocker.
5081
5082 2010-02-22  Doug Kwan  <dougkwan@google.com>
5083
5084         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5085         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5086         types to avoid warnings due to different uint64_t implementations
5087         on different hosts.
5088
5089 2010-02-21  Doug Kwan  <dougkwan@google.com>
5090
5091         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5092         handling of the maximum backward branch offset.
5093         (Arm_relocate_functions::thumb_branch_common): Ditto.
5094         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5095         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5096         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5097         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5098         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5099         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5100         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5101         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5102         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5103         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5104         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5105         thumb2_bl_out_of_range.o): New rules.
5106         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5107         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5108         thumb2_bl_out_of_range
5109         * testsuite/Makefile.in: Regenerate.
5110         * testsuite/arm_bl_in_range.s: New file.
5111         * testsuite/arm_bl_out_of_range.s: Ditto.
5112         * testsuite/arm_branch_in_range.sh: Ditto.
5113         * testsuite/arm_branch_range.t: Ditto.
5114         * testsuite/thumb2_branch_range.t: Ditto.
5115         * testsuite/thumb_bl_in_range.s: Ditto.
5116         * testsuite/thumb_bl_out_of_range.s: Ditto.
5117         * testsuite/thumb_branch_range.t: Ditto.
5118
5119 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5120
5121         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5122         Add reloc offset information.
5123         * icf.cc (get_section_contents): Change iterators to point to the new
5124         vectors. Add reloc offset information to the contents.
5125         * icf.h (Icf::Sections_reachable_info): New typedef.
5126         (Icf::Sections_reachable_list): New typedef.
5127         (Icf::Offset_info): New typedef.
5128         (Icf::Reloc_info): New struct typedef.
5129         (Icf::Reloc_info_list): New typedef.
5130         (Icf::symbol_reloc_list): Delete method.
5131         (Icf::addend_reloc_list): Delete method.
5132         (Icf::section_reloc_list): Delete method.
5133         (Icf::reloc_info_list): New method.
5134         (Icf::reloc_info_list_): New member.
5135
5136 2010-02-19  Doug Kwan  <dougkwan@google.com>
5137
5138         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5139         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5140         * arm.cc (Arm_relocation_functions): New forward declaration.
5141         (Target_arm::Target_arm): Initialize new data members
5142         got_mod_index_offset_ and tls_base_symbol_defined_.
5143         (Target_arm::Relocate::relocate_tls): New method.
5144         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5145          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5146         New methods.
5147         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5148         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5149         (Target_arm::got_mod_index_offset_,
5150         Target_arm::tls_base_symbol_defined_): New data members.
5151         (Target_arm::Scan::local, Target::Scan::global,
5152         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5153         relocations.
5154
5155 2010-02-18  Doug Kwan  <dougkwan@google.com>
5156
5157         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5158         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5159         text section as a parameter becuase some broken tools may not set
5160         the link in section header.
5161         (Target_arm::has_got_section): New method.
5162         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5163         without any mapping symbol as data only.  Remove warning.
5164         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5165         link in its section header, try to discover the link by inspecting the
5166         REL31 relocation at the beginning of the section.
5167         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5168         in error message.
5169         (Target_arm::Scan::global): Treat any reference to the symbol
5170         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5171
5172 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5173
5174         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5175         (Scan::global_reloc_may_be_function_pointer): New function.
5176         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5177         (Scan::global_reloc_may_be_function_pointer): New function.
5178         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5179         (Scan::global_reloc_may_be_function_pointer): New function.
5180         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5181         (Scan::global_reloc_may_be_function_pointer): New function.
5182         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5183         (Scan::global_reloc_may_be_function_pointer): New function.
5184         (Scan::possible_function_pointer_reloc): New function.
5185         (Target_x86_64::can_check_for_function_pointers): New function.
5186         * gc.h (gc_process_relocs): Scan relocation types to determine if
5187         function pointers were taken for targets that support it.
5188         * icf.cc (Icf::find_identical_sections): Include functions for
5189         folding in safe ICF whose pointer is not taken.
5190         * icf.h (Secn_fptr_taken_set): New typedef.
5191         (fptr_section_id_): New member.
5192         (section_has_function_pointers): New function.
5193         (set_section_has_function_pointers): New function.
5194         (check_section_for_function_pointers): New function.
5195         * options.h: Fix comment for safe ICF option.
5196         * target.h (can_check_for_function_pointers): New function.
5197         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5198         Modify icf_safe_test for X86-64.
5199         * testsuite/Makefile.in: Regenerate.
5200         * testsuite/icf_safe_so_test.cc: New file.
5201         * testsuite/icf_safe_so_test.sh: New file.
5202         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5203         (main): Change to take pointer to function kept_func_3.
5204         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5205         folding is done correctly for X86-64.
5206
5207 2010-02-12  David S. Miller  <davem@davemloft.net>
5208
5209         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5210         is_symbolless parameter.
5211         (Output_reloc<SHT_REL>::is_symbolless): New.
5212         (Output_reloc<SHT_REL>::is_symbolless_): New.
5213         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5214         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5215         (Output_reloc<SHT_RELA>::is_symbolless): New.
5216         (Output_data_reloc::add_global): Handle is_symbolless.
5217         (Output_data_reloc::add_global_relative): Likewise.
5218         (Output_data_reloc::add_local): Likewise.
5219         (Output_data_reloc::add_local_relative): Likewise.
5220         (Output_data_reloc::add_symbolless_global_addend): New.
5221         (Output_data_reloc::add_symbolless_local_addend): New.
5222         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5223         is_symbolless.
5224         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5225         instead of ->is_relative_
5226         (Output_reloc::write): Likewise.
5227         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5228         (Output_reloc::write_rel): Simplify.
5229
5230         * sparc.cc (Target_sparc::Scan::local): Use
5231         ->add_symbolless_local_addend as needed.
5232         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5233         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5234         based upon relocation offset.
5235
5236 2010-02-11  Doug Kwan  <dougkwan@google.com>
5237
5238         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5239         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5240         beginning of function.
5241         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5242         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5243         parameter is_32bit in calls to should_apply_static_reloc.
5244         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5245         (check_DATA): Add arm_abs_global.stdout.
5246         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5247         arm_abs_global.stdout): New rules.
5248         (MOSTLLYCLEANFILES): Add arm_abs_global
5249         * Makefile.in: Regenerate.
5250         * testsuite/arm_abs_global.s: New file.
5251         * testsuite/arm_abs_global.sh: Ditto.
5252         * testsuite/arm_abs_lib.s: Ditto.
5253
5254 2010-02-11  Ian Lance Taylor  <iant@google.com>
5255
5256         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5257         Read_relocs task.
5258         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5259         Allocate_commons_task first.
5260         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5261         task, rather than symtab_lock_.
5262         (Gc_process_relocs::~Gc_process_relocs): New function.
5263         (Gc_process_relocs::is_runnable): Check this_blocker_.
5264         (Gc_process_relocs::locks): Use next_blocker_ rather than
5265         blocker_.
5266         (Scan_relocs::~Scan_relocs): New function.
5267         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5268         symtab_lock_.
5269         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5270         next_blocker_.
5271         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5272         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5273         constructor accordingly.
5274         (class Gc_process_relocs): Likewise.
5275         (class Scan_relocs): Likewise.
5276         * common.h (class Allocate_commons_task): Remove symtab_lock_
5277         field, and corresponding constructor parameter.
5278         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5279         symtab_lock_.
5280         (Allocate_commons_task::locks): Likewise.
5281
5282 2010-02-11  Ian Lance Taylor  <iant@google.com>
5283
5284         * gold-threads.h (class Once): Define.
5285         (class Initialize_lock): Rewrite as child of Once.
5286         * gold-threads.cc (class Once_initialize): Define.
5287         (once_pointer_control): New static variable.
5288         (once_pointer, once_arg): New static variables.
5289         (c_run_once): New static function.
5290         (Once::Once, Once::run_once, Once::internal_run): New functions.
5291         (class Initialize_lock_once): Remove.
5292         (initialize_lock_control): Remove.
5293         (initialize_lock_pointer): Remove.
5294         (initialize_lock_once): Remove.
5295         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5296         (Initialize_lock::initialize): Rewrite.
5297         (Initialize_lock::do_run_once): New function.
5298         * archive.cc (Archive::interpret_header): Only clear name if it is
5299         not already empty.
5300         * fileread.cc: Include "gold-threads.h"
5301         (file_counts_lock): New static variable.
5302         (file_counts_initialize_lock): Likewise.
5303         (File_read::release): Only increment counts when using --stats.
5304         Use a lock around the increment.
5305         * parameters.cc (class Set_parameters_target_once): Define.
5306         (set_parameters_target_once): New static variable.
5307         (Parameters::Parameters): Move here from parameters.h.
5308         (Parameters::set_target): Rewrite.
5309         (Parameters::set_target_once): New function.
5310         (Parameters::clear_target): Move here and rewrite.
5311         * parameters.h (class Parameters): Update declarations.  Add
5312         set_parameters_target_once_ field.
5313         (Parameters::Parameters): Move to parameters.cc.
5314         (Parameters::clear_target): Likewise.
5315         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5316         task.
5317         (Start_group::~Start_group): New function.
5318         (Start_group::is_runnable): New function.
5319         (Start_group::locks, Start_group::run): New functions.
5320         (Finish_group::run): Change saw_undefined to size_t.
5321         * readsyms.h (class Start_group): Define.
5322         (class Finish_group): Change saw_undefined_ field to size_t.
5323         (Finish_group::Finish_group): Remove saw_undefined and
5324         this_blocker parameters.  Change all callers.
5325         (Finish_group::set_saw_undefined): New function.
5326         (Finish_group::set_blocker): New function.
5327         * symtab.h (class Symbol_table): Change saw_undefined to return
5328         size_t.  Change saw_undefined_ field to size_t.
5329         * target-select.cc (Set_target_once::do_run_once): New function.
5330         (Target_selector::Target_selector): Initialize set_target_once_
5331         field.  Don't initialize lock_ and initialize_lock_ fields.
5332         (Target_selector::instantiate_target): Rewrite.
5333         (Target_selector::set_target): New function.
5334         * target-select.h (class Set_target_once): Define.
5335         (class Target_selector): Update declarations.  Make
5336         Set_target_once a friend.  Remove lock_ and initialize_lock_
5337         fields.  Add set_target_once_ field.
5338
5339 2010-02-10  Ian Lance Taylor  <iant@google.com>
5340
5341         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5342         queueing any tasks.
5343         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5344         (queue_middle_tasks): Add all blockers before queueing any tasks.
5345         (queue_final_tasks): Likewise.
5346         * token.h (Task_token::add_blockers): New function.
5347         * object.h (Input_objects::number_of_relobjs): New function.
5348
5349 2010-02-10  Ian Lance Taylor  <iant@google.com>
5350
5351         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5352         shared, not if not position independent.
5353         * x86_64.cc (Relocate::relocate_tls): Likewise.
5354         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5355         (tls_pie_pic_test): New target.
5356         * testsuite/Makefile.in: Rebuild.
5357
5358         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5359         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5360         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5361         * testsuite/Makefile.in: Rebuild.
5362
5363 2010-02-09  David S. Miller  <davem@davemloft.net>
5364
5365         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5366         R_SPARC_RELATIVE using ->add_local_relative().
5367         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5368
5369         * output.h (Output_data_dynamic::add_section_size): New method
5370         that takes two Output_data objects.
5371         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5372         entry param.  Handle it in initializers.
5373         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5374         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5375         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5376         arg.
5377         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5378         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5379         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5380         for dynrel_includes_plt.
5381         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5382         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5383         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5384         before .rela.plt
5385         (Target_sparc::do_finalize_sections): Update to pass true for
5386         dynrel_includes_plt.
5387         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5388         output before .rela.plt
5389         (Target_powerpc::do_finalize_sections): Update to pass true for
5390         dynrel_includes_plt when 32-bit.
5391
5392 2010-02-08  Doug Kwan  <dougkwan@google.com>
5393
5394         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5395         method.
5396         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5397         Arm_relobj::scan_section_for_cortex_a8_stubs,
5398         Arm_relobj::do_relocation_section): Instead of calling
5399         Output_section::output_address, use faster
5400         Arm_relobj::simple_input_section_output_address.
5401
5402 2010-02-08  David S. Miller  <davem@davemloft.net>
5403
5404         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5405         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5406         relocation helper function.
5407
5408         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5409         just like R_SPARC_GOT{10,13,22}.
5410         (Target_sparc::Scan::local): Likewise.
5411         (Target_sparc::Relocate:relocate): Likewise.
5412
5413 2010-02-06  Ian Lance Taylor  <iant@google.com>
5414
5415         * configure.ac: Rewrite targetobjs duplicate removal code to use
5416         only shell constructs.
5417         * configure: Rebuild.
5418
5419 2010-02-05  Doug Kwan  <dougkwan@google.com>
5420
5421         PR 11247
5422         * arm.cc (Arm_relobj::section_is_scannable): New method.
5423         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5424         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5425
5426 2010-02-04  Doug Kwan  <dougkwan@google.com>
5427
5428         PR 11247
5429         * arm-reloc-property.cc (cstdio): Include.
5430         * configure.ac (targetobjs): Remove duplicates.
5431         * configure: Regenerate.
5432         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5433         big and little endian version for a given address size.
5434
5435 2010-02-03  Doug Kwan  <dougkwan@google.com>
5436
5437         * arm-reloc-property.cc
5438         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5439         definition.
5440         * arm-reloc-property.h
5441         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5442         New method definition.
5443         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5444         declaration.
5445         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5446         overflow to N.
5447         (GOT_PREL): Change implemented to Y.
5448         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5449         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5450         (Arm_relocate_functions::movw_abs_nc): Remove method.
5451         (Arm_relocate_functions::movt_abs): Ditto.
5452         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5453         (Arm_relocate_functions::thm_movt_abs): Ditto.
5454         (Arm_relocate_functions::movw_rel_nc): Ditto.
5455         (Arm_relocate_functions::movw_rel): Ditto.
5456         (Arm_relocate_functions::movt_rel): Ditto.
5457         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5458         (Arm_relocate_functions:thm_movw_rel): Ditto.
5459         (Arm_relocate_functions:thm_movt_rel): Ditto.
5460         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5461         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5462         New method definitions.
5463         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5464         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5465         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5466         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5467         (Target_arm::Relocate::relocate): Check for non-static or
5468         unimplemented relocation code and exit early.  Change calls to
5469         Target_arm::reloc_uses_thumb_bit and
5470         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5471         instead.  Refactor code to handle similar relocations to increase
5472         code sharing.  Remove check for unsupported relocation code in switch
5473         statement.
5474         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5475         relocation property table to find out size.  Change error message to
5476         print out the name of a relocation code instead of the numeric value.
5477         (Target_arm::scan_reloc_for_stub): Use relocation property table
5478         instead of calling Target_arm::reloc_uses_thumb_bit().
5479
5480 2010-02-02  Doug Kwan  <dougkwan@google.com>
5481
5482         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5483         types of relaxed input section.
5484
5485 2010-02-02  Doug Kwan  <dougkwan@google.com>
5486
5487         * Makefile.am (HFILES): Add arm-reloc-property.h.
5488         (DEFFILES): New.
5489         (TARGETSOURCES): Add arm-reloc-property.cc
5490         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5491         (libgold_a_SOURCES): $(DEFFILES)
5492         * Makefile.in: Regenerate.
5493         * arm-reloc-property.cc: New file.
5494         * arm-reloc-property.h: New file.
5495         * arm-reloc.def: New file.
5496         * arm.cc: Update comments.
5497         (arm-reloc-property.h): New included header.
5498         (arm_reloc_property_table): New global variable.
5499         (Target_arm::do_select_as_default_target): New method definition.
5500         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5501         arm-reloc-property to targ_extra_obj.
5502         * parameters.cc (set_parameters_target): Call
5503         Target::select_as_default_target().
5504         * target.h (Target::select_as_default_target): New method definition.
5505         (Target::do_select_as_default_target): Same.
5506
5507 2010-02-01  Doug Kwan  <dougkwan@google.com>
5508
5509         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5510         first_output_text_section_.
5511         (Arm_exidx_fixup::first_output_text_section): New method definition.
5512         (Arm_exidx_fixup::first_output_text_section_): New data member.
5513         (Arm_exidx_fixup::process_exidx_section): Record the first text
5514         output section seen.
5515         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5516         and entsize in output section header.
5517
5518 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5519
5520         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5521         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5522         (Arm_relocate_functions::thm_alu11): New Method.
5523         (Arm_relocate_functions::thm_pc8): New Method.
5524         (Arm_relocate_functions::thm_pc12): New Method.
5525         (Target_arm::Scan::local): Handle the relocations.
5526         (Target_arm::Scan::global): Likewise.
5527         (Target_arm::Relocate::relocate): Likewise.
5528         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5529
5530 2010-01-29  Doug Kwan  <dougkwan@google.com>
5531
5532         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5533         of relocation types as ld.
5534
5535 2010-01-29  Doug Kwan  <dougkwan@google.com>
5536
5537         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5538         to public.
5539         (Arm_relocate_functions::thumb_branch_common): Ditto.
5540         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5541         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5542         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5543         Arm_relocate_functions::jump24): Remove.
5544         (Target_arm::Relocate::relocate): Adjust code to call
5545         Arm_relocation_functions::arm_branch_common and
5546         Arm_relocation_functions::thumb_branch_common instead of their removed
5547         wrappers.  Merge switch-cases together to reduce source code size.
5548
5549 2010-01-29  Doug Kwan  <dougkwan@google.com>
5550
5551         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5552         output_local_symbol_count_needs_update_.
5553         (Arm_relobj::output_local_symbol_count_needs_update,
5554          Arm_relobj::set_output_local_symbol_count_needs_update,
5555          Arm_relobj::update_output_local_symbol_count): New methods.
5556         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5557         member.
5558         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5559         of pointed function as in a R_ARM_PREL31 relocation.
5560         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5561         for output local symbol count updating.
5562         (Target_arm::do_relax): Update output local symbol counts in objects
5563         if necessary.
5564         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5565
5566 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5567
5568         * arm.cc: Added support for the ARM relocations:
5569         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5570         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5571         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5572         movw_prel_nc).
5573         (Arm_relocate_functions::movw_rel): New method.
5574         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5575         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5576         thm_movw_prel_nc).
5577         (Arm_relocate_functions::thm_movw_rel): New method.
5578         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5579         thm_movt_prel).
5580         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5581         relocations.
5582         (Target_arm::Scan::global): Likewise.
5583         (Target_arm::Relocate::relocate): Likewise.
5584         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5585         Likewise.
5586
5587 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5588
5589         * arm.cc: Added support for ARM group relocations.
5590         (Target_arm::reloc_needs_sym_origin): New method.
5591         (Arm_relocate_functions::calc_grp_kn): New method.
5592         (Arm_relocate_functions::calc_grp_residual): New method.
5593         (Arm_relocate_functions::calc_grp_gn): New method.
5594         (Arm_relocate_functions::arm_grp_alu): New Method.
5595         (Arm_relocate_functions::arm_grp_ldr): New Method.
5596         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5597         (Arm_relocate_functions::arm_grp_ldc): New Method.
5598         (Target_arm::Scan::local): Handle the ARM group relocations.
5599         (Target_arm::Scan::global): Likewise.
5600         (Target_arm::Relocate::relocate): Likewise.
5601         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5602         Likewise.
5603
5604 2010-01-26  Doug Kwan  <dougkwan@google.com>
5605
5606         * arm.cc (set): Include.
5607         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5608         pointer type.
5609         (Arm_output_section::Text_section_list): New type.
5610         (Arm_output_section::append_text_sections_to_list): New method.
5611         (Arm_output_section::fix_exidx_coverage): Ditto.
5612         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5613         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5614         Relobj::set_section_offset() instead of
5615         Sized_relobj::invalidate_section_offset().
5616         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5617         parameter for section headers. Ignore relocation sections for
5618         unallocated sections and EXIDX sections.
5619         (Target_arm::fix_exidx_coverage): New method.
5620         (Target_arm::output_section_address_less_than): New type.
5621         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5622         linked text section instead of the EXIDX section.
5623         (Arm_output_section::create_stub_group): Add an assertion to check
5624         that this is not an EXIDX output section.
5625         (Arm_output_section::append_text_sections_to_list): New method.
5626         (Arm_output_section::fix_exidx_coverage): Ditto.
5627         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5628         Arm_relobj::section_needs_reloc_stub_scanning.
5629         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5630         first pass.
5631         (Target_arm::fix_exidx_coverage): New method.
5632         * object.h (Relobj::set_output_section): New method.
5633         (Sized_relobj::invalidate_section_offset): Remove method.
5634         (Sized_relobj::do_invalidate_section_offset): Remove method.
5635         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5636
5637 2010-01-25  Doug Kwan  <dougkwan@google.com>
5638
5639         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5640         Fix warning due to signed and unsigned comparison on a 32-bit host.
5641
5642 2010-01-22  Doug Kwan  <dougkwan@google.com>
5643
5644         * arm.cc (Target_arm::do_relax): Record an output section for section
5645         offset adjustment it contains any stub table that has changed.
5646         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5647         offsets in an output section if necessary.
5648         * output.cc (Output_section::Output_section): Initialize
5649         section_offsets_need_adjustments_.
5650         (Output_section::add_input_section_for_script): Renamed to
5651         Output_section::add_simple_input_section.
5652         (Output_section::save_states): Add a comment.
5653         (Output_section::discard_states): New method defintion.
5654         (Output_section::adjust_section_offsets): Same.
5655         * output.h (Output_section::add_input_section_for_script): Renamed to
5656         Output_section::add_simple_input_section.
5657         (Output_section::discard_states): New method declaration.
5658         (Output_section::adjust_section_offsets): Same.
5659         (Output_section::section_offsets_need_adjustment,
5660         Output_section::set_section_offsets_need_adjustment): New method
5661         definitions.
5662         (Output_section::section_offsets_need_adjustment_): New data member.
5663         * script-sections.cc
5664         (Output_section_element_input::set_section_address): Adjust code for
5665         renaming of Output_section::add_input_section_for_script.
5666         (Orphan_output_section::set_section_address): Same.
5667
5668 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5669
5670         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5671         Fix_v4bx enum values .
5672         * gold/options.h (General_options): New option definitions.
5673         (General_options::fix_v4bx): New method.
5674         (General_options::Fix_v4bx): New enum.
5675         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5676         (General_options::parse_fix_v4bx_interworking): New method.
5677
5678 2010-01-22  Doug Kwan  <dougkwan@google.com>
5679
5680         * arm.cc (Arm_exidx_fixup): New class.
5681
5682 2010-01-21  Doug Kwan  <dougkwan@google.com>
5683
5684         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5685         classes.
5686         (Arm_exidx_section_offset_map): New type.
5687
5688 2010-01-21  Doug Kwan  <dougkwan@google.com>
5689
5690         * arm.cc (Arm_exidx_input_section): New class.
5691         (Arm_relobj::exidx_input_section_by_link,
5692         Arm_relobj::exidx_input_section_by_shndx,
5693         Arm_relobj::make_exidx_input_section): New methods.
5694         (read_arm_attributes_section): Remove.
5695         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5696         information about them.
5697         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5698         to here.
5699
5700 2010-01-20  Doug Kwan  <dougkwan@google.com>
5701
5702         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5703         Input_section_specifier to Section_id.
5704         (Target_arm::new_arm_input_section: Adjust code for change of key
5705         type.
5706         (Target_arm::find_arm_input_section): Ditto.
5707         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5708         (Section_id): Remove.
5709         (Garbage_collection::Section_id_hash): Remove.
5710         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5711         (Section_id): Remove.
5712         (Icf::Section_id_hash): Remove.
5713         * object.h (Section_id, Const_section_id, Section_id_hash,
5714         Const_section_id_hash): New type definitions.
5715         * output.cc (Output_section::add_relaxed_input_section): Change to
5716         use Const_section_id instead of Input_section_specifier as key type.
5717         (Output_section::add_merge_input_section): Ditto.
5718         (Output_section::build_relaxation_map): Change to use Section_id
5719         instead of Input_section_specifier as key type.
5720         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5721         Ditto.
5722         (Output_section::convert_input_sections_to_relaxed_sections): Change
5723         to use Const_section_id instead of Input_section_specifier as key type.
5724         (Output_section::find_merge_section): Ditto.
5725         (Output_section::find_relaxed_input_section): Ditto.
5726         * output.h (Input_section_specifier): Remove class.
5727         (Output_section::Output_section_data_by_input_section_map): Change
5728         key type to Const_section_id.
5729         (Output_section::Output_relaxed_input_section_by_input_section_map):
5730         Ditto.
5731         (Output_section::Relaxation_map): Change key type to Section_id.
5732
5733 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5734
5735         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5736         (class Arm_v4bx_stub): New class.
5737         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5738         (Stub_factory::make_arm_v4bx_stub): New method.
5739         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5740         (Stub_table::empty): Handle v4bx stubs.
5741         (Stub_table::add_arm_v4bx_stub): New method.
5742         (Stub_table::find_arm_v4bx_stub): New method.
5743         (Arm_relocate_functions::v4bx): New method.
5744         (Target_arm::fix_v4bx): New method.
5745         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5746         (Stub_table::relocate_stubs): Likewise.
5747         (Stub_table::do_write): Likewise.
5748         (Stub_table::update_data_size_and_addralign): Likewise.
5749         (Stub_table::finalize_stubs):  Likewise.
5750         (Target_arm::Scan::local): Likewise.
5751         (Target_arm::Scan::global): Likewise.
5752         (Target_arm::do_finalize_sections): Likewise.
5753         (Target_arm::Relocate::relocate): Likewise.
5754         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5755         Likewise.
5756         (Target_arm::scan_reloc_for_stub): Likewise.
5757         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5758
5759 2010-01-19  Ian Lance Taylor  <iant@google.com>
5760
5761         * output.cc (Output_section_headers::do_sized_write): Write large
5762         segment count to sh_info field.
5763         (Output_file_header::do_sized_write): For large segment count,
5764         write PN_XNUM to e_phnum field.
5765
5766 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5767
5768         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5769         (Arm_relocate_functions::thm_jump8): New function.
5770         (Arm_relocate_functions::thm_jump11): New function.
5771         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5772         R_ARM_THM_JUMP11.
5773         (Target_arm::Scan::global): Likewise.
5774         (Target_arm::Relocate::relocate): Likewise.
5775         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5776         Likewise.
5777
5778 2010-01-14  Doug Kwan  <dougkwan@google.com>
5779
5780         * arm.cc (map, utility): Include headers.
5781         (Target_arm::apply_cortex_a8_workaround): New method.
5782         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5783         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5784         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5785         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5786         the --[no-]fix-cortex-a8 command line options.
5787         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5788         (Target_arm::relocate_stub): Use addend in instruction template.
5789         * options.h (DEFINE_bool): Set the user-set flag.
5790         (General_options): Add --[no-]-fix-cortex options.
5791         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5792         : Update fast look-up map after conversion.
5793
5794 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5795
5796         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5797         in the first pass of do_layout.
5798
5799 2010-01-13  Doug Kwan  <dougkwan@google.com>
5800
5801         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5802         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5803         apparent compiler problem of not folding static constant integral
5804         data members of elfcpp::Elf_sizes<32>.
5805
5806 2010-01-13  Doug Kwan  <dougkwan@google.com>
5807
5808         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5809         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5810         Arm_relobj::scan_section_for_cortex_a8_erratum,
5811         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5812         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5813         sections to scan for relocation stubs into a new method
5814         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5815         relocation and Cortex-A8 stub scanning.
5816         (Target_arm::do_relax): Force stubs to be after stubbed sections
5817         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5818         the beginning of a new relaxation pass.  Update a comment.
5819         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5820
5821 2010-01-12  Ian Lance Taylor  <iant@google.com>
5822
5823         * target-reloc.h (visibility_error): New inline function.
5824         (relocate_section): Call visibility_error.
5825         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5826         (MOSTLYCLEANFILES): Likewise.
5827         (protected_4_pic.o, protected_3.err): New targets.
5828         * testsuite/protected_4.cc: New file.
5829
5830 2010-01-12  Doug Kwan  <dougkwan@google.com>
5831
5832         * arm.cc (Cortex_a8_reloc): New class.
5833         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5834         and cortex_a8_relocs_info_.
5835         (Target_arm::fix_cortex_a8): New method definition.
5836         (Target_arm::Cortex_a8_relocs_info): New type.
5837         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5838         New data member declarations.
5839         (Target_arm::scan_reloc_for_stub): Record information about
5840         relocations for THUMB branches that might be exempted from the
5841         Cortex-A8 workaround.
5842         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5843         at the beginning of a relaxation pass.
5844
5845 2010-01-12  Doug Kwan  <dougkwan@google.com>
5846
5847         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5848         (Arm_relobj::Mapping_symbol_position,
5849          Arm_reloj::Mapping_symbol_position_less,
5850          Arm_relobj::Mapping_symbols_info): New types.
5851         (Target_arm::is_mapping_symbol_name): New method definition.
5852         (Arm_relobj::do_count_local_symbols): Save information about mapping
5853         symbols.
5854
5855 2010-01-11  Doug Kwan  <dougkwan@google.com>
5856
5857         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5858         Arm_relocate_functions::thumb32_branch_upper,
5859         Arm_relocate_functions::thumb32_branch_lower,
5860         Arm_relocate_functions::thumb32_cond_branch_offset,
5861         Arm_relocate_functions::thumb32_cond_branch_upper,
5862         Arm_relocate_functions::thumb32_cond_branch_lower,
5863         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5864         branch offset encoding.
5865         (Arm_relocate_functions::thumb_branch_common): Use new branch
5866         offset encoding methods to avoid code duplication.
5867         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5868         (Stub_addend_reader::operator()): Use new branch encoding method
5869         to avoid code duplication.
5870
5871 2010-01-11  Doug Kwan  <dougkwan@google.com>
5872
5873         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5874         (Target_arm::do_finalize_sections): Define special EXIDX section
5875         symbols only if referenced.
5876         * gc.h (Garbage_collection::add_reference): New method.
5877         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5878         code duplication.
5879
5880 2010-01-11  Ian Lance Taylor  <iant@google.com>
5881
5882         * script.cc (Version_script_info::build_expression_list_lookup):
5883         Change complaing about duplicate wildcard match from error to
5884         warning.
5885
5886         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5887         of 2009-12-30.
5888         (Version_script_info::Version_script_info): Initialize globs_,
5889         default_version_, default_is_global_, and exact_.  Don't
5890         initialize globals_ or locals_.
5891         (Version_script_info::build_lookup_tables): Build local symbols
5892         first.
5893         (Version_script_info::unquote): New function.
5894         (Version_script_info::add_exact_match): New function.
5895         (Version_script_info::build_expression_list_lookup): Remove lookup
5896         parameter.  Add is_global parameter.  Change all callers.  Handle
5897         wildcard pattern specially.  Unquote pattern.  Call
5898         add_exact_match.
5899         (Version_script_info::get_name_to_match): New function.
5900         (Version_script_info::get_symbol_version): New function.
5901         (Version_script_info::get_symbol_version_helper): Remove.
5902         (Version_script_info::check_unmatched_names): Call unquote.
5903         * script.h (class Version_script_info): Change get_symbol_version
5904         to be non-inline and add is_global parameter; change all callers.
5905         Rewrite symbol_is_local.  Update declarations.  Define struct
5906         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5907         Remove globals_ and locals_ members.  Add exact_, globs_,
5908         default_version_, is_global_.
5909         (Version_script_info::Glob): Remove pattern, add expression and
5910         is_global.  Update constructor.  Change all callers.
5911         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5912         default version.
5913         (Versions::symbol_section_contents): If a symbol is undefined, or
5914         defined in a dynamic object, set the version index to
5915         VER_NDX_LOCAL.
5916         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5917         symbol_is_local.
5918         (Symbol_table::add_from_pluginobj): Likewise.
5919         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5920
5921 2010-01-11  Doug Kwan  <dougkwan@google.com>
5922
5923         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5924         (incremental_dump_LDADD): Add linking option for libintl.
5925         * Makefile.in: Regenerate.
5926
5927 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5928
5929         PR gold/11144
5930         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5931         instead of -Ds.
5932         * testsuite/Makefile.in: Regenerated.
5933
5934 2010-01-10  Doug Kwan  <dougkwan@google.com>
5935
5936         * options.h (DEFINE_var): Use parentheses around argument varname__
5937         in macro body to avoid any unintended subsequent substitutions.
5938
5939 2010-01-10  Ian Lance Taylor  <iant@google.com>
5940
5941         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5942         candidates before doing symbol resolution.
5943
5944         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5945         ODR candidates if only one is weak.
5946
5947 2010-01-08  Ian Lance Taylor  <iant@google.com>
5948
5949         * script.cc (Version_script_info::build_expression_list_lookup):
5950         Don't warn about ambiguous version, just record the ambiguity.
5951         (Version_script_info::get_symbol_version_helper): Give error if
5952         version is ambiguous.
5953
5954 2010-01-08  Doug Kwan  <dougkwan@google.com>
5955
5956         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5957           prev_data_size_ and prev_addralign_.  Remove initializer for
5958           deleted data member has_been_changed_.
5959           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5960           to determine if the table is empty.
5961           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5962           Remove.
5963           (Stub_table::add_reloc_stub): Define method in class definition
5964           instead of just declaring it there.
5965           (Stub_table::add_cortex_a8_stub): New method definition.
5966           (Stub_table::update_data_size_and_addralign): Ditto.
5967           (Stub_table::finalize_stubs): Ditto.
5968           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5969           (Stub_table::do_addralign_): Return address alignment in the
5970           (Stub_table::do_reset_address_and_file_offset): Define method in
5971           class definition instead of declaring it there.  Set current data
5972           size to be the data size of the previous pass.
5973           (Stub_table::set_final_data_size): Use current data size as the
5974           final data size.
5975           (Stub_table::relocate_stub): Change parameter type of stub from
5976           Reloc_stub pointer to Stub pointer.
5977           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5978           (Stub_table::Cortex_a8_stub_list): New typedef.
5979           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5980            Stub_table::prev_addralign_): New data member.
5981           (Arm_relobj::Arm_relobj): Initialize data member
5982           section_has_cortex_a8_workaround_.
5983           (Arm_relobj::section_has_cortex_a8_workaround,
5984            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5985            definitions.
5986           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5987           declarations.
5988           (Target_arm::relocate_stub): Change parameter type of stub from
5989           Reloc_stub pointer to Stub pointer.
5990           (Insn_template::size, Insn_template::alignment): Handle
5991           THUMB16_SPECIAL_TYPE.
5992           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5993            Stub_table::update_data_size_and_addralign,
5994            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5995           definitions.
5996           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5997           (Stub_table::do_write): Ditto.
5998           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5999
6000 2010-01-08  Ian Lance Taylor  <iant@google.com>
6001
6002         PR 11108
6003         * symtab.h (class Symbol): Remove fields is_target_special_ and
6004         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6005         (Symbol::is_defined_in_discarded_section): New function.
6006         (Symbol::set_is_defined_in_discarded_section): New function.
6007         (Symbol::has_plt_offset): Rewrite.
6008         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6009         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6010         Don't initialize is_target_special_ or has_plt_offset_.
6011         Initialize is_defined_in_discarded_section_.
6012         (Symbol_table::add_from_relobj): If appropriate, set
6013         is_defined_in_discarded_section.
6014         * resolve.cc (Symbol::override_base_with_special): Don't test
6015         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6016         * target-reloc.h (relocate_section): Do special handling for
6017         symbols defined in discarded sections for global symbols as well
6018         as local symbols.
6019
6020 2010-01-08  Ian Lance Taylor  <iant@google.com>
6021
6022         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6023         the SHT_SYMTAB case.
6024
6025 2010-01-08  Ian Lance Taylor  <iant@google.com>
6026
6027         * object.cc (Sized_relobj::do_layout): Don't get confused if
6028         layout_eh_frame returns NULL.
6029
6030 2010-01-08  Ian Lance Taylor  <iant@google.com>
6031
6032         PR 11084
6033         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6034         dynamic symbol table, use the normal symbol table.
6035         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6036         symbol table.
6037
6038 2010-01-08  Ian Lance Taylor  <iant@google.com>
6039
6040         PR 11072
6041         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6042         sections.
6043
6044 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6045
6046         * version.cc (print_version): Change to "Copyright 2010".
6047
6048 2010-01-08  Ian Lance Taylor  <iant@google.com>
6049
6050         PR 10287
6051         PR 11063
6052         * i386.cc (class Target_i386): Change return type of plt_section
6053         to be non-const.
6054         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6055         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6056         tls_desc_rel_ field.
6057         (Output_data_plt_i386::rel_tls_desc): New function.
6058         (Target_i386::rel_tls_desc_section): New function.
6059         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6060         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6061         R_386_TLS_DESC reloc in rel_tls_desc_section.
6062         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6063         Define struct Tlsdesc_info.
6064         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6065         (Target_x86_64::do_reloc_symbol_index): New function.
6066         (Target_x86_64::add_tlsdesc_info): New function.
6067         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6068         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6069         tlsdesc_rel_ field.
6070         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6071         all callers.
6072         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6073         (Target_x86_64::rela_tlsdesc_section): New function.
6074         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6075         handling.
6076         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6077         (Target_x86_64::do_reloc_addend): New function.
6078         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6079         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6080         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6081         (Output_reloc::type): New function.
6082         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6083         (Output_reloc::is_target_specific): New function.
6084         (Output_reloc::target_arg): New function.
6085         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6086         absolute relocs and target specific relocs.
6087         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6088         add_target_specific.
6089         (class Output_data_reloc) [SHT_RELA]: Likewise.
6090         * output.cc (Output_reloc::Output_reloc): Add four new versions
6091         for absolute relocs and target specific relocs.
6092         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6093         (Output_reloc::get_symbol_index): Likewise.
6094         (Output_reloc::local_section_offset): Check that local_sym_index_
6095         is not TARGET_CODE or 0.
6096         (Output_reloc::symbol_value): Likewise.
6097         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6098         reloc.
6099         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6100         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6101         functions.
6102         * layout.cc (add_target_dynamic_tags): Use output section for
6103         DT_PLTRELSZ and DT_JMPREL.
6104
6105 2010-01-07  Ian Lance Taylor  <iant@google.com>
6106
6107         PR 11061
6108         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6109         function.
6110         (class Output_data_reloc_generic): Define.
6111         (class Output_data_reloc_base): Change base class to
6112         Output_data_reloc_generic.  Change add() method to call
6113         bump_relative_reloc_count for a relative reloc.  Remove
6114         sort_relocs_ field.
6115         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6116         to sort_relocs().
6117         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6118         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6119         appropriate.
6120         * layout.h (class Layout): Update declaration.
6121
6122 2010-01-07  Ian Lance Taylor  <iant@google.com>
6123
6124         * output.h (class Output_data): Add const version of
6125         output_section and do_output_section.
6126         (class Output_section_data): Add const version of
6127         do_output_section.
6128         (class Output_section): Likewise.
6129         * layout.cc (Layout::add_target_dynamic_tags): New function.
6130         * layout.h (class Layout): Update declarations.
6131         * arm.cc (Target_arm::do_finalize_sections): Use
6132         add_target_dynamic_tags.
6133         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6134         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6135         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6136         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6137
6138 2010-01-07  Ian Lance Taylor  <iant@google.com>
6139
6140         PR 11042
6141         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6142         object as needed.
6143
6144 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6145             Ian Lance Taylor  <iant@google.com>
6146
6147         PR 11019
6148         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6149         Xindex::read_symtab_xindex.
6150
6151 2010-01-07  Doug Kwan  <dougkwan@google.com>
6152
6153         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6154         (Insn_template::thumb16_bcond_insn): New method declaration.
6155         (Insn_template): Fix spelling.
6156         (Stub::thumb16_special): New method declaration.
6157         (Stub::do_write): Define virtual method which was previously pure
6158         virtual.
6159         (Stub::do_thumb16_special): New method declaration.
6160         (Stub::do_fixed_endian_write): New template member.
6161         (Reloc_stub::do_write): Remove.
6162         (Reloc_stub::do_fixed_endian_write): Remove.
6163         (Cortex_a8_stub): New class definition.
6164         (Stub_factory::make_cortex_a8_stub): New method definition.
6165         (Stub_factory::Stub_factory): Add missing static storage class
6166         qualifier for elf32_arm_stub_a8_veneer_blx.
6167
6168 2010-01-07  Ian Lance Taylor  <iant@google.com>
6169
6170         PR 10980
6171         * options.h (class General_options): Add --warn-unresolved-symbols
6172         and --error-unresolved-symbols.
6173         * errors.cc (Errors::undefined_symbol): Implement
6174         --warn-unresolved-symbols.
6175
6176         * options.h (class General_options): Add -z text and -z textoff.
6177         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6178
6179 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6180
6181         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6182         (Garbage_collection::cident_sections): New function.
6183         (Garbage_collection::add_cident_section): New function.
6184         (Garbage_collection::cident_sections_): New member.
6185         (gc_process_relocs): Add references to sections whose names are C
6186         identifiers.
6187         * gold.h (cident_section_start_prefix): New constant.
6188         (cident_section_stop_prefix): New constant.
6189         (is_cident): New function.
6190         * layout.cc (Layout::define_section_symbols): Replace string constants
6191         with the newly defined constants.
6192         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6193         C identifiers.
6194         * testsuite/Makefile.am: Add gc_orphan_section_test.
6195         * testsuite/Makefile.in: Regenerate.
6196         * testsuite/gc_orphan_section_test.cc: New file.
6197         * testsuite/gc_orphan_section_test.sh: New file.
6198
6199 2010-01-06  Ian Lance Taylor  <iant@google.com>
6200
6201         PR 10980
6202         * options.h (class General_options): Add --warn-shared-textrel.
6203         * layout.cc (Layout::finish_dynamic_section): Implement
6204         --warn-shared-textrel.
6205
6206         PR 10980
6207         * options.h (class General_options): Add --warn-multiple-gp.
6208
6209 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6210
6211         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6212         $(THREADSLIB) and $(LIBDL).
6213         * Makefile.in: Rebuild.
6214
6215 2010-01-06  Ian Lance Taylor  <iant@google.com>
6216
6217         PR 10980
6218         * options.cc (General_options::parse_section_start): New function.
6219         (General_options::section_start): New function.
6220         (General_options::General_options): Initialize all members.
6221         * options.h: Include <map>
6222         (class General_options): Add --section-start.  Add section_starts_
6223         member.
6224         * layout.cc (Layout::attach_allocated_section_to_segment): If
6225         --section-start was used, set the address of the segment.  Remove
6226         local sort_sections.
6227         (Layout::relaxation_loop_body): If the address of the load segment
6228         has been set by --section-start, don't use it.
6229         * output.h (Output_segment::update_flags_for_output_section): New
6230         function.
6231         * output.cc (Output_segment::add_output_section): Call
6232         update_flags_for_output_section.
6233
6234 2010-01-05  Ian Lance Taylor  <iant@google.com>
6235
6236         PR 10980
6237         * options.h (class General_options): Add --undefined-version.
6238         * script.cc (struct Version_expression): Add was_matched_by_symbol
6239         field.
6240         (Version_script_info::matched_symbol): New function.
6241         (Version_script_info::get_symbol_version_helper): Call
6242         matched_symbol.
6243         (Version_script_info::check_unmatched_names): New function.
6244         * script.h (class Version_script_info): Update declarations.
6245         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6246
6247         * options.h (class General_options): Use DEFINE_bool_alias for
6248         allow_multiple_definition.
6249         * resolve.cc (Symbol_table::should_override): Don't test
6250         allow_multiple_definition.
6251
6252         PR 10980
6253         * options.h (class General_options): Add --cref.
6254         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6255         until after printing cref table.
6256         * cref.cc: Include "symtab.h".
6257         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6258         (Cref_table_compare::operator()): New function.
6259         (Cref_inputs::gather_cref): New function.
6260         (filecol): New static const.
6261         (Cref_inputs::print_cref): New function.
6262         (Cref::print_cref): New function.
6263         * cref.h: Include <cstdio>.
6264         (class Cref): Update declarations.
6265         * mapfile.h (Mapfile::file): New function.
6266         * object.h (class Object): Define Symbols.  Declare virtual
6267         do_get_global_symbols.
6268         (Object::get_global_symbols): New function.
6269         * object.cc (Input_objects::add_object): Pass object to cref_ if
6270         --cref.
6271         (Input_objects::archive_start): Likewise.
6272         (Input_objects::archive_stop): Likewise.
6273         (Input_objects::print_cref): New function.
6274         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6275         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6276         --cref.
6277         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6278         function.
6279         * plugin.h (class Sized_pluginobj): Update declarations.
6280
6281 2010-01-05  Ian Lance Taylor  <iant@google.com>
6282
6283         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6284         to is_default_version.  Rename insdef to insdefault.
6285         (Symbol_table::add_from_relobj): Rename def to is_default_version
6286         and local to is_forced_local.
6287         (Symbol_table::add_from_pluginobj): Likewise.
6288         (Symbol_table::add_from_dynobj): Likewise.
6289         (Symbol_table::define_special_symbol): Rename insdef to
6290         insdefault.
6291
6292 2010-01-04  Ian Lance Taylor  <iant@google.com>
6293
6294         PR 10980
6295         * options.h (class General_options): Add
6296         --allow-multiple-definition and -z muldefs.
6297         * resolve.cc (Symbol_table::should_override): Don't warn about a
6298         multiple symbol definition if --allow-multiple-definition or -z
6299         muldefs.
6300
6301         PR 10980
6302         * options.h (class General_options): Add --add-needed and
6303         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6304         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6305         error if --copy-dt-needed-entries aka --add-needed is used and
6306         would cause a change in behaviour.
6307
6308         PR 10980
6309         * options.h (class General_options): Add -G as a short version of
6310         --shared.  Add no-op options -assert, -g, and -i.
6311
6312 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6313
6314         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6315         check for .text or .gnu.linkonce.t sections.
6316         * icf.cc (Icf::find_identical_sections): Ditto.
6317         Change the detection for mangled function name within the section
6318         name.
6319         * icf.h (is_section_foldable_candidate): New function.
6320
6321 2009-12-30  Ian Lance Taylor  <iant@google.com>
6322
6323         PR 10980
6324         * options.h (class General_options): Permit two dashes with
6325         --retain-symbols-file.
6326
6327 2009-12-30  Ian Lance Taylor  <iant@google.com>
6328
6329         PR 10979
6330         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6331         don't put the file header and segment headers in the text
6332         segment.
6333
6334         PR 10979
6335         * common.cc (Sort_commons::operator()): Stabilize sort when both
6336         entries are NULL.
6337         (Symbol_table::do_allocate_commons_list): When allocating common
6338         symbols, skip a symbol which is no longer common.
6339         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6340         an object before checking its type.
6341         * testsuite/common_test_2.c: New file.
6342         * testsuite/common_test_3.c: New file.
6343         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6344         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6345         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6346         (common_test_2_pic.o, common_test_2.so): New targets.
6347         (common_test_3_pic.o, common_test_3.so): New targets.
6348         * testsuite/Makefile.in: Rebuild.
6349
6350         PR 10979
6351         * script.cc (read_input_script): If we see a new SECTIONS clause,
6352         and we have added an input section, give an error.
6353         * layout.h (class Layout): Add have_added_input_section function.
6354         Add have_added_input_section_ field.
6355         * layout.cc (Layout::Layout): Initialize
6356         have_added_input_section_.
6357         (Layout::layout): Set have_added_input_section_.
6358         (Layout::layout_eh_frame): Likewise.
6359
6360 2009-12-30  Ian Lance Taylor  <iant@google.com>
6361
6362         PR 10931
6363         * options.h (class General_options): Add --sort-common option.
6364         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6365         * common.cc (Sort_common): Add sort_order parameter to
6366         constructor.  Add sort_order_ field.
6367         (Sort_commons::operator): Check sort_order_.
6368         (Symbol_table::allocate_commons): Determine the sort order.
6369         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6370         Change all callers.
6371         (Symbol_table::do_allocate_commons_list): Likewise.
6372
6373 2009-12-30  Ian Lance Taylor  <iant@google.com>
6374
6375         PR 10916
6376         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6377         symbols from this object, don't change the visibility of an
6378         undefined symbol.
6379         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6380
6381 2009-12-30  Ian Lance Taylor  <iant@google.com>
6382
6383         PR 10861
6384         * script.h (class Version_script_info): Define Language enum.
6385         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6386         new fields globals_, locals_, and is_finalized_.
6387         * script.cc: Various formatting fixes.
6388         (class Parser_closure): Change language_stack_ from a vector of
6389         std::string to one of Version_script_info::Language.  Adjust all
6390         uses accordingly.
6391         (class Lazy_demangler): Remove.
6392         (struct Version_expression): Change language from std::string to
6393         Version_script_info::Language.
6394         (Version_script_info::Version_script_info): New function.
6395         (Version_script_info::~Version_script_info): Don't call clear.
6396         (Version_script_info::finalize): New function.
6397         (Version_script_info::build_lookup_tables): New function.
6398         (Version_script_info::build_expression_list_lookup): New
6399         function.
6400         (Version_script_info::get_symbol_version_helper): Rewrite to use
6401         lookup tables.
6402         (Version_script_info::print_expression_list): Adjust to use
6403         Version_script_info::Language.
6404         (script_push_lex_into_version_mode): Check that the version script
6405         has not been finalized.
6406         (version_script_push_lang): Change language string to
6407         Version_script_info::Language.
6408         * options.cc (Command_line::version_script): New function.
6409         * options.h (class General_options): Add finalize_dynamic_list
6410         function.  Change version_script from declaration to definition.
6411         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6412         * testsuite/version_script.map: Remove duplicate def of foo.
6413         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6414         version_script.map.
6415         * testsuite/Makefile.in: Rebuild.
6416
6417 2009-12-30  Ian Lance Taylor  <iant@google.com>
6418
6419         PR 10843
6420         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6421         if the input symbol index is 0, make the output symbol index 0.
6422
6423 2009-12-30  Ian Lance Taylor  <iant@google.com>
6424
6425         PR 10670
6426         * options.h (class General_options): Add -x/--discard-all.
6427         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6428         --discard-all.  If the local symbol needs a dynamic entry, check
6429         that before handling --discard-locals.
6430
6431 2009-12-30  Ian Lance Taylor  <iant@google.com>
6432
6433         PR 10450
6434         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6435         flags to PF_R.
6436         (Output_segment::add_output_section): Don't change the flags if
6437         the type is PT_TLS.
6438
6439         PR 10450
6440         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6441         GNU hash table if they need a dynamic value.  Otherwise, don't add
6442         them if they are defined in a dynamic object or are forced local.
6443
6444 2009-12-29  Ian Lance Taylor  <iant@google.com>
6445
6446         PR 10450
6447         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6448         .gnu.hash table for a 32-bit target.
6449
6450         PR 10450
6451         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6452         regular and a dynamic object only needs a dynamic symbol table
6453         entry if it is externally visible.
6454
6455         PR 10450
6456         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6457         constructor.  Add global_offset_table_ field.
6458         (Target_i386::got_section): Set global_offset_table_.
6459         (Target_i386::do_finalize_sections): Set global_offset_table_
6460         size.
6461         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6462         in constructor.  Add global_offset_table_ field.
6463         (Target_x86_64::got_section): Set global_offset_table_.
6464         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6465         size.
6466
6467         * layout.cc (Layout::Layout): Initialize increase_relro_.
6468         (Layout::get_output_section): Add is_relro, is_last_relro, and
6469         is_first_non_relro parameters.  Change all callers.
6470         (Layout::choose_output_section): Likewise.
6471         (Layout::add_output_section_data): Likewise.
6472         (Layout::make_output_section): Likewise.
6473         (Layout::set_segment_offsets): Clear increase_relro when using a
6474         linker script.
6475         * layout.h (class Layout): Add increase_relro method.  Add
6476         increase_relro_ field.  Update declarations.
6477         * output.cc (Output_section::Output_section): Initialize
6478         is_last_relro_ and is_first_non_relro_.
6479         (Output_segment::add_output_section): Group relro sections is
6480         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6481         (Output_segment::maximum_alignment): Remove relro handling.
6482         (Output_segment::set_section_addresses): Add increase_relro
6483         parameter.  Change all callers.  Add initial alignment to align
6484         relro sections on separate page.  Remove old relro handling.
6485         (Output_segment::set_section_list_addresses): Remove in_relro
6486         parameter.  Change all callers.
6487         (Output_segment::set_offset): Add increase parameter.  Change all
6488         callers.  Remove old relro handling.
6489         * output.h (class Output_section): Add new methods: is_last_relro,
6490         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6491         Add is_last_relro_ and is_first_non_relro_ fields.
6492         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6493         Create separate .got.plt section.  Call increase_relro.
6494         * x86_64.cc (Target_x86_64::got_section): Likewise.
6495         * testsuite/relro_script_test.t: Add .got.plt.
6496
6497         PR 10450
6498         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6499         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6500         (Layout::finalize): Call set_dynamic_symbol_size.
6501         (Layout::set_dynamic_symbol_size): New function.
6502         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6503         set_dynamic_symbol_size.
6504
6505         PR 10450
6506         * output.h (class Output_section): Add is_entsize_zero_ field.
6507         * output.cc (Output_section::Output_section): Initialize
6508         is_entsize_zero_.
6509         (Output_section::set_entsize): If two different entsizes are
6510         requested, force it to zero.
6511         (Output_section::add_input_section): Set flags for .debug_str
6512         before updating section flags.  Set entsize.
6513         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6514         and SHF_STRING if all input sections have those flags.
6515
6516 2009-12-29   Rafael Espindola  <espindola@google.com>
6517
6518         * main.cc (main): Fix the sys time reporting.
6519         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6520         reporting.
6521
6522 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6523
6524         * options.cc (General_options::parse_version): Allow -v to exit
6525         without an error if there is nothing to link.
6526
6527 2009-12-29  Ian Lance Taylor  <iant@google.com>
6528
6529         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6530         using a version of gcc before 4.1.
6531         * configure: Rebuild.
6532
6533 2009-12-28  Chris Demetriou  <cgd@google.com>
6534
6535         * attributes.cc (Output_attributes_section_data::do_write): Use
6536         std::vector::front rather than std::vector::data.
6537
6538 2009-12-28  Ian Lance Taylor  <iant@google.com>
6539
6540         * symtab.h (class Symbol_table): Add enum Defined.
6541         * resolve.cc (Symbol_table::should_override): Add defined
6542         parameter.  Change all callers.  Test whether object is NULL
6543         before calling a method on it.
6544         (Symbol_table::report_resolve_problem): Add defined parameter.
6545         Change all callers.
6546         (Symbol_table::should_override_with_special): Likewise.
6547         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6548         parameter.  Change all callers.
6549         (Symbol_table::do_define_in_output_data): Likewise.
6550         (Symbol_table::define_in_output_segment): Likewise.
6551         (Symbol_table::do_define_in_output_segment): Likewise.
6552         (Symbol_table::define_as_constant): Likewise.
6553         (Symbol_table::do_define_as_constant): Likewise.
6554         * script.h (class Symbol_assignment): Add is_defsym parameter to
6555         constructor; change all callers.
6556         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6557         parameter.  Change all callers.  Add is_defsym_ field.
6558         (class Parser_closure): Add parsing_defsym parameter to
6559         constructor; change all callers.  Add parsing_defsym accessor
6560         function.  Add parsing_defsym_ field.
6561
6562 2009-12-28  Ian Lance Taylor  <iant@google.com>
6563
6564         * gold.cc (queue_middle_tasks): Fix formatting.
6565         * object.cc (Relobj::is_section_name_included): Likewise.
6566
6567 2009-12-23  Ian Lance Taylor  <iant@google.com>
6568
6569         * i386.cc (Target_i386::do_calls_non_split): Recognize
6570         -fsplit-stack prologue for a function with a static chain.
6571         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6572         -fsplit-stack prologue when using %r11.
6573
6574 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6575
6576         * options.cc (General_options::parse_version): Make -v continue and do
6577         the link like GNU ld does.
6578
6579 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6580
6581         * Makefile.am (CCFILES): Add timer.cc.
6582         (HFILES): Add timer.h.
6583         * configure.ac: Check for sysconf and times.
6584         * main.cc: include timer.h.
6585         (main): Use Timer instead of get_run_time.
6586         * timer.cc: New.
6587         * timer.h: New.
6588         * workqueue.cc: include timer.h.
6589         (Workqueue::find_and_run_task):
6590         Report user, sys and wall time.
6591         * Makefile.in: Regenerate.
6592         * config.in: Regenerate.
6593         * configure: Regenerate.
6594
6595 2009-12-16  Doug Kwan  <dougkwan@google.com>
6596
6597         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6598         sections.
6599         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6600         relaxed input sections.
6601         * output.cc (Output_section::find_relaxed_input_section): Change
6602         return type to Output_relaxed_input_section pointer.  Adjust code
6603         for new type of relaxed_input_section_map_.
6604         * output.h (Output_section::find_relaxed_input_section): Change
6605         return type to Output_relaxed_input_section pointer.
6606         (Output_section::Output_relaxed_input_section_by_input_section_map):
6607         New type.
6608         (Output_section::relaxed_input_section_map_): Change type to
6609         Output_section::Output_relaxed_input_section_by_input_section_map.
6610         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6611         input section.
6612
6613 2009-12-15  Ian Lance Taylor  <iant@google.com>
6614
6615         * layout.cc (Layout::create_shstrtab): Only write out after input
6616         sections if we are compressing debug sections.
6617
6618 2009-12-15  Ian Lance Taylor  <iant@google.com>
6619
6620         * archive.cc (Archive::add_symbols): Only look up a symbol without
6621         a version if there is, in fact, a version.
6622
6623 2009-12-14  Ian Lance Taylor  <iant@google.com>
6624
6625         Revert -Wshadow changes, all changes from:
6626         2009-12-11  Doug Kwan  <dougkwan@google.com>
6627         2009-12-11  Nick Clifton  <nickc@redhat.com>
6628         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6629
6630 2009-12-11  Doug Kwan  <dougkwan@google.com>
6631
6632         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6633         due to -Wshadow.
6634         * attributes.cc (Object_attribute::size): Ditto.
6635         (Attributes_section_data::size): Ditto.
6636         (Attributes_section_data::Attributes_section_data): Ditto.
6637         (Output_attributes_section_data::do_write): Ditto.
6638         * attributes.h (Object_attribute::set_type): Ditto.
6639         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6640
6641 2009-12-11  Nick Clifton  <nickc@redhat.com>
6642
6643         * archive.cc: Fix shadowed variable warnings.
6644         * arm.cc: Likewise.
6645         * compressed_output.cc: Likewise.
6646         * compressed_output.h: Likewise.
6647         * configure: Likewise.
6648         * dwarf_reader.cc: Likewise.
6649         * dynobj.cc: Likewise.
6650         * dynobj.h: Likewise.
6651         * ehframe.cc: Likewise.
6652         * ehframe.h: Likewise.
6653         * errors.cc: Likewise.
6654         * expression.cc: Likewise.
6655         * fileread.cc: Likewise.
6656         * fileread.h: Likewise.
6657         * freebsd.h: Likewise.
6658         * i386.cc: Likewise.
6659         * icf.cc: Likewise.
6660         * incremental.h: Likewise.
6661         * layout.cc: Likewise.
6662         * layout.h: Likewise.
6663         * mapfile.cc: Likewise.
6664         * merge.cc: Likewise.
6665         * merge.h: Likewise.
6666         * object.cc: Likewise.
6667         * object.h: Likewise.
6668         * options.h: Likewise.
6669         * output.cc: Likewise.
6670         * output.h: Likewise.
6671         * parameters.cc: Likewise.
6672         * plugin.cc: Likewise.
6673         * powerpc.cc: Likewise.
6674         * reduced_debug_output.cc: Likewise.
6675         * reduced_debug_output.h: Likewise.
6676         * reloc.cc: Likewise.
6677         * reloc.h: Likewise.
6678         * resolve.cc: Likewise.
6679         * script-sections.cc: Likewise.
6680         * script.cc: Likewise.
6681         * script.h: Likewise.
6682         * sparc.cc: Likewise.
6683         * symtab.cc: Likewise.
6684         * symtab.h: Likewise.
6685         * target-select.cc: Likewise.
6686         * target-select.h: Likewise.
6687         * token.h: Likewise.
6688         * workqueue.cc: Likewise.
6689         * workqueue.h: Likewise.
6690         * x86_64.cc: Likewise.
6691
6692 2009-12-10  Doug Kwan  <dougkwan@google.com>
6693
6694         * arm.cc (attributes.h): New include.
6695         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6696         (Arm_relobj::~Arm_relobj): Delete object pointed by
6697         attributes_section_data_.
6698         (Arm_relobj::attributes_section_data): New method definition.
6699         (Arm_relobj::attributes_section_data_): New data member declaration.
6700         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6701         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6702         attributes_section_data_.
6703         (Arm_dynobj::attributes_section_data): New method definition.
6704         (Arm_dynobj::attributes_section_data_): New data member declaration.
6705         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6706         initialization value of may_use_blx_ to false.
6707         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6708         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6709         object attributes to compute results instead of hard-coding.
6710         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6711         Target_arm::get_secondary_compatible_arch,
6712         Target_arm::set_secondary_compatible_arch
6713         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6714         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6715         New method declarations.
6716         (Target_arm::get_aeabi_object_attribute): New method definition.
6717         (Target_arm::attributes_section_data_): New data member declaration.
6718         (read_arm_attributes_section): New template definition.
6719         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6720         (Arm_dynobj::do_read_symbols): Ditto.
6721         (Target_arm::do_finalize_sections): Merge attributes sections from
6722         input.  Check for BLX use after attributes section merging.
6723         Fix __exidx_start and __exidx_end visibility.  Create an
6724         .ARM.attributes section if necessary.
6725         (Target_arm::get_secondary_compatible_arch,
6726         Target_arm::set_secondary_compatible_arch,
6727         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6728         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6729         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6730         New method definitions.
6731
6732 2009-12-09  Ian Lance Taylor  <iant@google.com>
6733
6734         * plugin.cc (Plugin::load): Don't cast from void* to a function
6735         pointer.
6736
6737 2009-12-09  Ian Lance Taylor  <iant@google.com>
6738
6739         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6740         information fields.
6741
6742 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6743
6744         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6745         Replace two_file_shared_1.so with two_file_shared_2.so.
6746         * testsuite/Makefile.in: Regenerated.
6747
6748 2009-12-08  Doug Kwan  <dougkwan@google.com>
6749
6750         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6751         (HFILES): Add attributes.h and int_encoding.h.
6752         * Makefile.in: Regenerate.
6753         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6754         function definitions to int_encoding.cc
6755         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6756         prototypes to int_encoding.h
6757         * reduced_debug_output.cc (int_encoding.h): New include.
6758         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6759         function definitions to int_encoding.cc
6760         (insert_into_vector, read_from_pointer): Move template definitions to
6761         int_encoding.h
6762         * attributes.cc: New file.
6763         * attributes.h: New file.
6764         * int_encoding.cc: New file.
6765         * int_encoding.h: New file.
6766
6767 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6768
6769         PR gold/11055
6770         * incremental-dump.cc (dump_incremental_inputs): New.
6771         (main): Use dump_incremental_inputs.
6772
6773 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6774
6775         PR gold/10893
6776         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6777         checking elfcpp::STT_FUNC.
6778         (Target_i386::Relocate::relocate): Likewise.
6779         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6780
6781         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6782         symbols from shared libraries into normal FUNC symbols.
6783
6784         * symtab.h (Symbol): Add is_func and use it.
6785
6786 2009-12-05  Doug Kwan  <dougkwan@google.com>
6787
6788         * arm.cc (Target_arm::arm_info): Initialize new fields
6789         attributes_section and attributes_vendor.
6790         * i386.cc (Target_i386::i386_info): Same.
6791         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6792         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6793         fields attributes_section and attributes_vendor.
6794         * sparc.cc (Target_sparc::sparc_info): Same.
6795         * target.h (Target::attributes_section, Target::attributes_vendor,
6796         Target::is_attributes_section, Target::attribute_arg_type,
6797         Target::attributes_order): New method definitions.
6798         (Target::Target_info::attributes_section,
6799         Target::Target_info::attributes_vendor): New fields.
6800         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6801         virtual method definitions.
6802         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6803         attributes_section and attributes_vendor.
6804         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6805
6806 2009-12-05  Doug Kwan  <dougkwan@google.com>
6807
6808         * arm.cc: Update comments about interworking and stub generation.
6809         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6810         considered as non-PIC.
6811         (Arm_relocate_functions::base_abs): Fix formatting.
6812         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6813         of function to use GOT entry address instead of offset.
6814         (Target_arm::Scan::global): Issue an error if a symbol would need a
6815         PLT does not get one because it is untyped.  Remove code to create
6816         dynamic symbols for relative branches.
6817         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6818         takes unsigned integer instead of boolean.
6819
6820 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6821
6822         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6823         (two_file_test_LDADD): Likewise.
6824         (common_test_1_LDADD): Likewise.
6825         (exception_test_LDADD) Likewise.
6826         (weak_test_LDADD): Likewise.
6827         (many_sections_test_LDADD): Likewise.
6828         (initpri1_LDADD): Likewise.
6829         (script_test_1_LDADD): Likewise.
6830         (script_test_2_LDADD): Likewise.
6831         (justsyms_LDADD): Likewise.
6832         (binary_test_LDADD): Likewise.
6833         (large_LDADD): Likewise.
6834         * testsuite/Makefile.in: Regenerated.
6835
6836 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6837
6838         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6839         (Symbol_table::override_with_special): Likewise.
6840         (Symbol_table::add_from_object): Likewise.
6841
6842 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6843
6844         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6845         Don't set the data_offset twice.
6846
6847 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6848
6849         * testsuite/Makefile.in: Regenerate.
6850
6851 2009-12-03  Doug Kwan  <dougkwan@google.com>
6852
6853         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6854         (Target_arm::do_finalize_sections): Add parameter for symbol table
6855         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6856         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6857         parameter for symbol table pointer.
6858         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6859         an additional parameter for a pointer to symbol table.
6860         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6861         parameter for a symbol table pointer.
6862         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6863         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6864         Ditto.
6865         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6866         parameter for a symbol table pointer.
6867
6868 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6869
6870         * incremental.cc (Incremental_inputs_header)
6871         (Incremental_inputs_header_write, Incremental_inputs_entry)
6872         (Incremental_inputs_entry_write): Move ...
6873         * incremental.h (Incremental_inputs_header)
6874         (Incremental_inputs_header_write, Incremental_inputs_entry)
6875         (Incremental_inputs_entry_write): here.
6876
6877 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6878
6879         * incremental.cc (make_sized_incremental_binary): Set the target.
6880         Error if it is incompatible.
6881         * output.h (Output_file): Add filename method.
6882
6883 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6884
6885         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6886         from the get_* methods.
6887
6888 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6889
6890         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6891         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6892         Write 0 for the data_offset of scripts.
6893
6894 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6895
6896         * testsuite/Makefile.am: Add the incremental_test.sh test.
6897         * testsuite/incremental_test.sh: New.
6898         * testsuite/incremental_test_1.c: New.
6899         * testsuite/incremental_test_2.c: New.
6900
6901 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6902
6903        * incremental-dump.cc (main): Fix typos.
6904
6905 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6906
6907         PR gold/11025
6908         * incremental-dump.cc (main): Use llu to print 64 bit values.
6909
6910 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6911             H.J. Lu  <hongjiu.lu@intel.com>
6912
6913         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6914         $(LIBDL).
6915         (incremental_dump_LDADD): Likewise.
6916         * Makefile.in: Regenerated.
6917
6918 2009-11-25  Doug Kwan  <dougkwan@google.com>
6919
6920         Revert:
6921
6922         2009-11-25  Doug Kwan  <dougkwan@google.com>
6923
6924                 * arm.cc (Target_arm::Target_arm): Move method definition
6925                 outside of class definition.  Add code to handle
6926                 --target1-rel, --target1-abs and --target2= options.
6927                 (Target_arm::get_reloc_reloc_type): Change method to be
6928                 non-static and const.
6929                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6930                 New data member declaration.
6931                 (Target_arm::Scan::local, Target_arm::Scan::global,
6932                 Target_arm::Relocate::relocate,
6933                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6934                 Adjust call to Target_arm::get_real_reloc_type.
6935                 (Target_arm::get_real_reloc_type): Use command line options
6936                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6937                 * options.h (--target1-rel, --target1-abs, --target2): New
6938                 ARM-only options.
6939
6940 2009-11-25  Doug Kwan  <dougkwan@google.com>
6941
6942         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6943         class definition.  Add code to handle --target1-rel, --target1-abs
6944         and --target2= options.
6945         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6946         and const.
6947         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6948         member declaration.
6949         (Target_arm::Scan::local, Target_arm::Scan::global,
6950         Target_arm::Relocate::relocate,
6951         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6952         call to Target_arm::get_real_reloc_type.
6953         (Target_arm::get_real_reloc_type): Use command line options to
6954         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6955         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6956         options.
6957
6958 2009-11-25  Doug Kwan  <dougkwan@google.com>
6959
6960         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6961         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6962         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6963         formatting.
6964         (Arm_relocate_functions::thm_call): Replace body with a call to
6965         Arm_relocate_functions::thumb_branch_common.
6966         (Arm_relocate_functions::thm_jump24,
6967         Arm_relocate_functions::thm_xpc22): New method definitions.
6968         (Arm_relocate_functions::thumb_branch_common): New method definition.
6969         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6970         operator.
6971         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6972         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6973
6974 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6975
6976         * Makefile.am: Build incremental-dump
6977         * Makefile.in: Regenerate.
6978         * incremental-dump.cc: New.
6979         * incremental.cc (Incremental_inputs_header_data,
6980         Incremental_inputs_entry_data): Move to incremental.h
6981         * incremental.h: (Incremental_inputs_header_data,
6982         Incremental_inputs_entry_data): Move from incremental.cc
6983
6984 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6985
6986         * incremental.cc (Incremental_inputs_header,
6987         Incremental_inputs_header_write, Incremental_inputs_entry,
6988         Incremental_inputs_entry_write): Add a typedef with the data type.
6989
6990 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6991
6992         * incremental.cc (Incremental_inputs_header,
6993         Incremental_inputs_header_write, Incremental_inputs_entry,
6994         Incremental_inputs_entry_write): Update comment about which
6995         type has the filed descriptions.
6996
6997 2009-11-15  Doug Kwan  <dougkwan@google.com>
6998
6999         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7000         (Arm_relocate_functions::arm_branch_common): Change method defintion
7001         in class definition to a method declaration and update list of formal
7002         parameters.
7003         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7004         Arm_relocation_functions::jump24): Adjust call to
7005         Arm_relocate_functions::arm_branch_common.  Update list of formal
7006         parameters.
7007         (Arm_relocate_functions::xpc25): New method definition.
7008         (Arm_relocate_functions::arm_branch_common): Move method defintion
7009         out from class definition.  Use stubs for mode-switching and extending
7010         branch ranges.
7011         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7012         specially.  Change code to enable use of stubs in ARM branches.
7013
7014 2009-11-10  Doug Kwan  <dougkwan@google.com>
7015
7016         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7017         in method declaration.
7018         (Target_arm::relocate_stub): New method declaration.
7019         (Target_arm::default_target): Change to return a pointer instead of
7020         a const reference.
7021         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7022         Target_arm::default_target.
7023         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7024         method definition.
7025         (Target_arm::relocate_section): Adjust view.
7026         (Target_arm::relocate_stub): New method definition.
7027
7028 2009-11-10  Doug Kwan  <dougkwan@google.com>
7029
7030         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7031         a format warning.
7032         * incremental.cc (open_incremental_binary): Initialized local
7033         variables to avoid warnings.
7034         * object.cc (make_elf_object): Ditto.
7035         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7036         a format warning.
7037
7038 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7039
7040         PR gold/10930
7041         * testsuite/plugin_test.c: Include "config.h".
7042
7043 2009-11-09  Doug Kwan  <dougkwan@google.com>
7044
7045         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7046         (arm_symbol_value): Remove.
7047         (Arm_relocate_functions::arm_branch_common,
7048         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7049         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7050         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7051         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7052         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7053         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7054         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7055         Arm_relocate_functions::thm_mobw_abs_nc,
7056         Arm_relocate_functions::thm_mov_abs,
7057         Arm_relocate_functions::movw_prel_nc,
7058         Arm_relocate_functions::thm_movt_abs,
7059         Arm_relocate_functions::movt_prel,
7060         Arm_relocate_functions::thm_movw_prel_nc,
7061         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7062         (Target_arm::Relocate::relocate): Only decompose address into two
7063         parts if relocation type uses the thumb-bit and pass the actual
7064         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7065         calls to methods in Arm_relocate_functions for this change.
7066
7067 2009-11-08  Ian Lance Taylor  <iant@google.com>
7068
7069         PR 10925
7070         * reloc.cc: Instantiate
7071         Sized_relobj::initialize_input_to_output_maps and
7072         Sized_relobj:free_input_to_output_maps.
7073
7074 2009-11-06  Ian Lance Taylor  <iant@google.com>
7075
7076         PR 10876
7077         * defstd.cc (in_segment): Set only_if_ref true for "end".
7078
7079 2009-11-06  Doug Kwan  <dougkwan@google.com>
7080
7081         * arm.cc (class Reloc_stub): Correct a comment.
7082         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7083         (Target_arm::scan_section_for_stubs): New method declaration.
7084         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7085         Change methods from private to protected.
7086         (Target_arm::do_may_relax): New method definition.
7087         (Target_arm::do_relax, Target_arm::group_sections,
7088         Target_arm::scan_reloc_for_stub,
7089         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7090         (Target_arm::arm_input_section_map_): New data member declaration.
7091         (Target_arm::scan_reloc_for_stub,
7092         Target_arm::scan_reloc_section_for_stubs,
7093         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7094         Target_arm::do_relax): New method definitions.
7095
7096 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7097
7098         * configure.ac: Check for (struct stat)::st_mtim
7099         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7100         * config.in: Regenerate.
7101         * configure: Regenerate.
7102
7103 2009-11-05  Ian Lance Taylor  <iant@google.com>
7104
7105         PR 10910
7106         * output.cc (Output_segment::add_output_section): Add missing
7107         return statement.
7108
7109 2009-11-04  Ian Lance Taylor  <iant@google.com>
7110
7111         PR 10880
7112         * object.h (class Object): Add is_needed and set_is_needed
7113         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7114         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7115         defined in a dynamic object and referenced by a regular object,
7116         set is_needed for the dynamic object.
7117         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7118         if the file is marked with as_needed and it is not needed.
7119
7120 2009-11-04  Ian Lance Taylor  <iant@google.com>
7121
7122         PR 10887
7123         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7124         tags if data is discarded by linker script.
7125         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7126         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7127         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7128         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7129
7130 2009-11-04  Ian Lance Taylor  <iant@google.com>
7131
7132         * layout.cc (Layout::get_output_section): Add is_interp and
7133         is_dynamic_linker_section parameters.  Change all callers.
7134         (Layout::choose_output_section): Likewise.
7135         (Layout::make_output_section): Likewise.
7136         (Layout::add_output_section_data): Add is_dynamic_linker_section
7137         parameter.  Change all callers.
7138         * layout.h (class Layout): Update declarations.
7139         * output.h (class Output_section): Add is_interp, set_is_interp,
7140         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7141         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7142         generate_code_fills_at_write_ to a bitfield.
7143         * output.cc (Output_section::Output_sections): Initialize new
7144         fields.
7145         (Output_segment::add_output_section): Add do_sort parameter.
7146         Change all callers.
7147
7148 2009-11-03  Ian Lance Taylor  <iant@google.com>
7149
7150         PR 10860
7151         * options.h (class General_options): Add --warn-common.
7152         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7153         merging two common symbols.
7154         (Symbol_table::should_override): Handle --warn-common when merging
7155         a common symbol with a defined symbol.  Use report_resolve_problem
7156         for multiple definitions.
7157         (Symbol_table::report_resolve_problem): New function.
7158         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7159
7160 2009-11-03  Doug Kwan  <dougkwan@google.com>
7161
7162         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7163         stub_factory_.
7164         (Target_arm::stub_factory): New method definition.
7165         (Target_arm::new_arm_input_section,
7166         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7167         Target_arm::reloc_uses_thumb_bit): New method declarations.
7168         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7169         New type definitions.
7170         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7171         member declarations.
7172         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7173         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7174         New method definitions.
7175
7176 2009-11-03  Ian Lance Taylor  <iant@google.com>
7177
7178         * options.h (class General_options): Add --warn_constructors.
7179
7180 2009-11-03  Ian Lance Taylor  <iant@google.com>
7181
7182         PR 10893
7183         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7184         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7185
7186 2009-11-03  Ian Lance Taylor  <iant@google.com>
7187
7188         PR 10895
7189         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7190         --msgid-bugs-address.
7191         (install-pdf): New target.
7192         (install-data_yes): Look up one directory to find mkinstalldirs.
7193
7194 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7195
7196         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7197         tree.
7198
7199 2009-10-30  Doug Kwan  <dougkwan@google.com>
7200
7201         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7202
7203 2009-10-30  Doug Kwan  <dougkwan@google.com>
7204
7205         * arm.cc (Stub_addend_reader): New struct template definition
7206         and partial specializations.
7207         (Stub_addend_reader::operator()): New method definition for a
7208         partially specialized template.
7209
7210 2009-10-30  Doug Kwan  <dougkwan@google.com>
7211
7212         * arm.cc (Arm_relobj::processor_specific_flags): New method
7213         definition.
7214         (Arm_relobj::do_read_symbols): New method declaration.
7215         (Arm_relobj::processor_specific_flags_): New data member declaration.
7216         (Arm_dynobj): New class definition.
7217         (Target_arm::do_finalize_sections): Add input_objects parameter.
7218         (Target_arm::do_adjust_elf_header): New method declaration.
7219         (Target_arm::are_eabi_versions_compatible,
7220         (Target_arm::merge_processor_specific_flags): New method declaration.
7221         (Target_arm::do_make_elf_object): New overloaded method definitions
7222         and declaration.
7223         (Arm_relobj::do_read_symbols): New method definition.
7224         (Arm_dynobj::do_read_symbols): Ditto.
7225         (Target_arm::do_finalize_sections): Add input_objects parameters.
7226         Merge processor-specific flags from all input objects.
7227         (Target_arm::are_eabi_versions_compatible,
7228         Target_arm::merge_processor_specific_flags,
7229         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7230         New method definitions.
7231         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7232         Input_objects pointer type parameter.
7233         * layout.cc (Layout::finalize): Pass input objects to target's.
7234         finalize_sections function.
7235         * output.cc (Output_file_header::do_sized_write): Set ELF file
7236         header's processor-specific flags.
7237         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7238         Input_objects pointer type parameter.
7239         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7240         * target.h (Input_objects): New forward class declaration.
7241         (Target::processor_specific_flags,
7242         Target::are_processor_specific_flags_sect): New method definitions.
7243         (Target::finalize_sections): Add input_objects parameter.
7244         (Target::Target): Initialize processor_specific_flags_ and
7245         are_processor_specific_flags_set_.
7246         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7247         parameter.
7248         (Target::set_processor_specific_flags): New method definition.
7249         (Target::processor_specific_flags_,
7250         Target::are_processor_specific_flags_set_): New data member
7251         declarations.
7252         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7253         Input_objects pointer type parameter.
7254
7255 2009-10-30  Doug Kwan  <dougkwan@google.com>
7256
7257         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7258
7259 2009-10-28  Ian Lance Taylor  <iant@google.com>
7260
7261         * object.h (class Relobj): Drop options parameter from
7262         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7263         do_scan_relocs, do_relocate.  Change all callers.
7264         (class Sized_relobj): Drop options parameters from
7265         do_gc_process_relocs, do_scan_relocs, do_relocate,
7266         do_relocate_sections, relocate_sections, emit_relocs_scan,
7267         emit_relocs_scan_reltype.  Change all callers.
7268         (struct Relocate_info): Remove options field and all references to
7269         it.
7270         * reloc.h (class Read_relocs): Remove options constructor
7271         parameter and options_ field.  Change all callers.
7272         (class Gc_process_relocs, class Scan_relocs): Likewise.
7273         (class Relocate_task): Likewise.
7274         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7275         all callers.
7276         (scan_relocatable_relocs): Likewise.
7277         * target.h (class Sized_target): Remove options parameter from
7278         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7279         all callers.
7280         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7281         callers.
7282         * arm.cc: Update functions to remove options parameters.
7283         * i386.cc: Likewise.
7284         * powerpc.cc: Likewise.
7285         * sparc.cc: Likewise.
7286         * x86_64.cc: Likewise.
7287         * testsuite/testfile.cc: Likewise.
7288
7289 2009-10-28  Doug Kwan  <dougkwan@google.com>
7290
7291         * arm.cc (Arm_relobj): New class definition.
7292         (Arm_relobj::scan_sections_for_stubs,
7293         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7294         New method definitions.
7295
7296 2009-10-28  Cary Coutant  <ccoutant@google.com>
7297
7298         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7299         (Plugin::cleanup_done_): New member.
7300         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7301         (Plugin_manager::cleanup_done_): Remove.
7302         (Plugin_manager::add_input_file): Edit error message.
7303         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7304         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7305
7306 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7307
7308         * fileread.cc: (File_read::View::~View): Use the new
7309         data_ownership_ filed.
7310         (File_read::~File_read): Dispose the new whole_file_view_.
7311         (File_read::open): Mmap the whole file if needed.
7312         (File_read::open): Use whole_file_view_ instead of contents_.
7313         (File_read::find_view): Use whole_file_view_ if applicable.
7314         (File_read::do_read): Use whole_file_view_ instead of contents_.
7315         (File_read::make_view): Use whole_file_view_ instead of contents_,
7316         update File_read::View::View call.
7317         (File_read::find_or_make_view): Update File_read::View::View
7318         call.
7319         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7320         remove contents_
7321         (File_read::View::Data_ownership): New enum.
7322         (File_read::View::View): Replace bool mapped_ with Data_ownership
7323         argument.
7324         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7325         (File_read::View::data_ownership_): New field.
7326         (File_read::contents_): Remove (replaced by whole_file_view_).
7327         (File_read::whole_file_view_): New field.
7328         * options.h (class General_options): Add --keep-files-mapped.
7329
7330 2009-10-27  Cary Coutant  <ccoutant@google.com>
7331
7332         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7333         * testsuite/Makefile.am (plugin_test_5): New test case.
7334         * testsuite/Makefile.in: Regenerate.
7335
7336 2009-10-25  Doug Kwan  <dougkwan@google.com>
7337
7338         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7339         from private to protected to allow access by child class.
7340         (Sized_relobj::do_relocate_sections): New method declaration.
7341         (Sized_relobj::relocate_sections): Virtualize.
7342         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7343         Sized_relobj::relocate_sections.  Instantiate template explicitly
7344         for different target sizes and endianity.
7345
7346 2009-10-24  Doug Kwan  <dougkwan@google.com>
7347
7348         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7349         (Arm_input_section::as_arm_input_section): New method.
7350         (Arm_output_section): New class definition.
7351         (Arm_output_section::create_stub_group,
7352         Arm_output_section::group_sections): New method definitions.
7353
7354 2009-10-22  Doug Kwan  <dougkwan@google.com>
7355
7356         * arm.cc (Arm_input_section): New class definition.
7357         (Arm_input_section::init, Arm_input_section:do_write,
7358         Arm_input_section::set_final_data_size,
7359         Arm_input_section::do_reset_address_and_file_offset): New method
7360         definitions.
7361
7362 2009-10-21  Doug Kwan  <dougkwan@google.com>
7363
7364         * arm.cc (Stub_table, Arm_input_section): New forward class
7365         declarations.
7366         (Stub_table): New class defintion.
7367         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7368         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7369         New method definition.
7370
7371 2009-10-21  Doug Kwan  <dougkwan@google.com>
7372
7373         * arm.cc: Update copyright comments.
7374         (Target_arm): New forward class template declaration.
7375         (Arm_address): New type.
7376         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7377         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7378         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7379         constants.
7380         (Insn_template): Same.
7381         (DEF_STUBS): New macro.
7382         (Stub_type): New enum type.
7383         (Stub_template): New class definition.
7384         (Stub): Same.
7385         (Reloc_stub): Same.
7386         (Stub_factory): Same.
7387         (Target_arm::Target_arm): Initialize may_use_blx_ and
7388         should_force_pic_veneer_.
7389         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7390         Target_arm::should_force_pic_veneer,
7391         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7392         Target_arm::using_thumb_only, Target_arm:;default_target): New
7393         method defintions.
7394         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7395         New data member declarations.
7396         (Insn_template::size, Insn_template::alignment): New method defintions.
7397         (Stub_template::Stub_template): New method definition.
7398         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7399         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7400         (Stub_factory::Stub_factory): New method definition.
7401         * gold.h (string_hash): New template.
7402         * output.h (Input_section_specifier::hash_value): Use
7403         gold::string_hash.
7404         (Input_section_specifier::string_hash): Remove.
7405         * stringpool.cc (Stringpool_template::string_hash): Use
7406         gold::string_hash.
7407
7408 2009-10-20  Doug Kwan  <dougkwan@google.com>
7409
7410         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7411         symbols of relaxed input sections.
7412         * output.h (Output_section::find_relaxed_input_section): Make
7413         method public.
7414
7415 2009-10-16  Doug Kwan  <dougkwan@google.com>
7416
7417         * dynobj.cc (Versions::Versions): Initialize version_script_.
7418         Only insert base version symbol definition for a shared object
7419         if version script defines any version versions.
7420         (Versions::define_base_version): New method definition.
7421         (Versions::add_def): Check that base version is not needed.
7422         (Versions::add_need): Define base version lazily.
7423         * dynobj.h (Versions::define_base_version): New method declaration.
7424         (Versions::needs_base_version_): New data member declaration.
7425         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7426         (check_DATA): Add no_version_test.stdout.
7427         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7428         New make rules.
7429         * testsuite/Makefile.in: Regenerate.
7430         * testsuite/no_version_test.c: New file.
7431         * testsuite/no_version_test.sh: Ditto.
7432
7433 2009-10-16  Doug Kwan  <dougkwan@google.com>
7434
7435         * expression.cc (class Segment_start_expression): New class definition.
7436         (Segment_start_expression::value): New method definition.
7437         (script_exp_function_segment_start): Return a new
7438         Segment_start_expression.
7439         * gold/script-c.h (script_saw_segment_start_expression): New function
7440         prototype.
7441         * script-sections.cc (Script_sections::Script_sections): Initialize
7442         SAW_SEGMENT_START_EXPRESSION_ to false.
7443         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7444         and -Tbbs options to specify section addresses if given in
7445         command line and no SEGMENT_START expression is seen in a script.
7446         * script-sections.h (Script_sections::saw_segment_start_expression,
7447         Script_sections::set_saw_segment_start_expression): New method
7448         definition.
7449         (Script_sections::saw_segment_start_expression_): New data member
7450         declaration.
7451         * script.cc (script_saw_segment_start_expression): New function.
7452         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7453         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7454         script_test_7.sh and script_test_8.sh.
7455         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7456         script_test_8.stdout.
7457         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7458         (script_test_6, script_test_6.stdout, script_test_7,
7459         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7460         * Makefile.in: Regenerate.
7461         * testsuite/script_test_6.sh: New file.
7462         * testsuite/script_test_6.t: Same.
7463         * testsuite/script_test_7.sh: Same.
7464         * testsuite/script_test_7.t: Same.
7465         * testsuite/script_test_8.sh: Same.
7466
7467 2009-10-16  Doug Kwan  <dougkwan@google.com>
7468
7469         * output.cc (Output_segment::set_section_list_address): Cast
7470         expressions to unsigned long long type to avoid format warnings.
7471
7472 2009-10-15  Ian Lance Taylor  <iant@google.com>
7473
7474         * script.cc (Script_options::add_symbol_assignment): Always add a
7475         dot assignment to script_sections_.
7476         * script-sections.cc (Script_sections::add_dot_assignment):
7477         Initialize if necessary.
7478
7479         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7480         program headers with no load segment if there is a linker script.
7481
7482         * layout.cc (Layout::set_segment_offsets): Align the file offset
7483         to the segment aligment for -N or -n with no load segment.
7484         * output.cc (Output_segment::add_output_section): Don't crash if
7485         the first section is a TLS section.
7486         (Output_segment::set_section_list_addresses): Print an error
7487         message if the address moves backward in a linker script.
7488         * script-sections.cc
7489         (Output_section_element_input::set_section_addresses): Don't
7490         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7491         (Orphan_output_section::set_section_addresses): Likewise.
7492
7493 2009-10-15  Doug Kwan  <dougkwan@google.com>
7494
7495         * layout.cc (Layout::finish_dynamic_section): Generate tags
7496         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7497         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7498         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7499
7500 2009-10-14  Ian Lance Taylor  <iant@google.com>
7501
7502         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7503         fields.
7504         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7505         data_shdr fields of relinfo.
7506         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7507         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7508         R_386_TLS_LDO_32, adjust based on section flags.
7509         (Target_i386::Relocate::fix_up_ldo): Remove.
7510
7511 2009-10-13  Ian Lance Taylor  <iant@google.com>
7512
7513         Add support for -pie.
7514         * options.h (class General_options): Add -pie and
7515         --pic-executable.
7516         (General_options::output_is_position_independent): Test -pie.
7517         (General_options::output_is_executable): Return true if not shared
7518         and not relocatable.
7519         (General_options::output_is_pie): Remove.
7520         * options.cc (General_options::finalize): Reject incompatible uses
7521         of -pie.
7522         * gold.cc (queue_middle_tasks): A -pie link is not static.
7523         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7524         * symtab.cc (Symbol::final_value_is_known): Return false if
7525         output_is_position_independent.
7526         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7527         output_is_position_independent.
7528         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7529         output_is_position_independent.
7530         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7531         output_is_position_independent.
7532         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7533         two_file_pie_test.
7534         (basic_pie_test.o, basic_pie_test): New targets.
7535         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7536         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7537         (two_file_pie_test): New target.
7538         * testsuite/Makefile.in: Rebuild.
7539         * README: Remove note saying that -pie is not supported.
7540
7541 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7542
7543         * options.h (class General_options): Add -init and -fini.
7544         * layout.cc (Layout::finish_dynamic_section): Emit
7545         given init and fini functions.
7546
7547 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7548
7549         * gc.h (gc_process_relocs): Check if icf is enabled using new
7550         function.
7551         * gold.cc (queue_initial_tasks): Likewise.
7552         (queue_middle_tasks): Likewise.
7553         * object.cc (do_layout): Likewise.
7554         * symtab.cc (is_section_folded): Likewise.
7555         * main.cc (main): Likewise.
7556         * reloc.cc (Read_relocs::run): Likewise.
7557         (Sized_relobj::do_scan_relocs): Likewise.
7558         * icf.cc (is_function_ctor_or_dtor): New function.
7559         (Icf::find_identical_sections): Check if function is ctor or dtor when
7560         safe icf is chosen.
7561         * options.h (General_options::icf): Change option to be an enum.
7562         (Icf_status): New enum.
7563         (icf_enabled): New method.
7564         (icf_safe_folding): New method.
7565         (set_icf_status): New method.
7566         (icf_status_): New variable.
7567         * (options.cc) (General_options::finalize): Set icf_status_.
7568         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7569         icf_test and icf_keep_unique_test to use the --icf enum flag.
7570         * testsuite/icf_safe_test.sh: New file.
7571         * testsuite/icf_safe_test.cc: New file.
7572
7573 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7574
7575         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7576         includes to gc.h and icf.h.
7577         * arm.cc: Include gc.h.
7578         * gold.cc: Likewise.
7579         * i386.cc: Likewise.
7580         * powerpc.cc: Likewise.
7581         * sparc.cc: Likewise.
7582         * x86_64.cc: Likewise.
7583         * gc.h: Include icf.h.
7584
7585 2009-10-11  Ian Lance Taylor  <iant@google.com>
7586
7587         * plugin.cc: Include "gold.h" before other header files.
7588
7589 2009-10-10  Chris Demetriou  <cgd@google.com>
7590
7591         * options.h (Input_file_argument::Input_file_type): New enum.
7592         (Input_file_argument::is_lib_): Replace with...
7593         (Input_file_argument::type_): New member.
7594         (Input_file_argument::Input_file_argument): Take Input_file_type
7595         'type' rather than boolean 'is_lib' as second argument.
7596         (Input_file_argument::is_lib): Use type_.
7597         (Input_file_argument::is_searched_file): New function.
7598         (Input_file_argument::may_need_search): Handle is_searched_file.
7599         * options.cc (General_options::parse_library): Support -l:filename.
7600         (General_options::parse_just_symbols): Update for Input_file_argument
7601         changes.
7602         (Command_line::process): Likewise.
7603         * archive.cc (Archive::get_file_and_offset): Likewise.
7604         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7605         * script.cc (read_script_file, script_add_file): Likewise.
7606         * fileread.cc (Input_file::Input_file): Likewise.
7607         (Input_file::will_search_for): Handle is_searched_file.
7608         (Input_file::open): Likewise.
7609         * readsyms.cc (Read_symbols::get_name): Likewise.
7610         * testsuite/Makefile.am (searched_file_test): New test.
7611         * testsuite/Makefile.in: Regenerate.
7612         * testsuite/searched_file_test.cc: New file.
7613         * testsuite/searched_file_test_lib.cc: New file.
7614
7615 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7616             Ian Lance Taylor  <iant@google.com>
7617
7618         * descriptor.cc: Include <cstdio> and "binary-io.h".
7619         (Descriptors::open): Open the files in binary mode always.
7620         * script.cc (Lex::get_token): Treat \r as whitespace.
7621
7622 2009-10-09  Ian Lance Taylor  <iant@google.com>
7623
7624         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7625
7626 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7627             Ian Lance Taylor  <iant@google.com>
7628
7629         * configure.ac: Check for readv function also.
7630         * fileread.cc (readv): Define if not HAVE_READV.
7631         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7632         does not exist.
7633         * config.in: Regenerate.
7634         * configure: Regenerate.
7635
7636 2009-10-09  Doug Kwan  <dougkwan@google.com>
7637
7638         * layout.cc (Layout::make_output_section): Call target hook to make
7639         ordinary output section.
7640         (Layout::finalize): Adjust parameter list of call the
7641         Target::may_relax().
7642         * layout.h (class Layout::section_list): New method.
7643         * merge.h (Output_merge_base::entsize): Change visibility to public.
7644         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7645         New methods.
7646         (Output_merge_string::do_is_string): New method.
7647         * object.cc (Sized_relobj::do_setup): renamed from
7648         Sized_relobj::set_up.
7649         * object.h (Sized_relobj::adjust_shndx,
7650         Sized_relobj::initializ_input_to_output_maps,
7651         Sized_relobj::free_input_to_output_maps): Change visibilities to
7652         protected.
7653         (Sized_relobj::setup): Virtualize.
7654         (Sized_relobj::do_setup): New method declaration.
7655         (Sized_relobj::invalidate_section_offset,
7656         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7657         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7658         * options.cc (parse_int): New function.
7659         * options.h (parse_int): New declaration.
7660         (DEFINE_int): New macro.
7661         (stub_group_size): New option.
7662         * output.cc (Output_section::Output_section): Initialize memebers
7663         merge_section_map_, merge_section_by_properties_map_,
7664         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7665         (Output_section::add_input_section): Handled deferred code-fill
7666         generation and remove an old comment.
7667         (Output_section::add_relaxed_input_section): New method definition.
7668         (Output_section::add_merge_input_section): Use merge section by
7669         properties map to speed to search.  Update merge section maps
7670         as appropriate.
7671         (Output_section::build_relaxation_map): New method definition.
7672         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7673         Same.
7674         (Output_section::relax_input_section): Renamed to
7675         Output_section::convert_input_sections_to_relaxed_sections and change
7676         interface to take a vector of pointers to relaxed sections.
7677         (Output_section::find_merge_section,
7678         Output_section::find_relaxed_input_section): New method definitions.
7679         (Output_section::is_input_address_mapped,
7680         Output_section::output_offset, Output_section::output_address):
7681         Use output section data maps to speed up searching.
7682         (Output_section::find_starting_output_address): Add comments.
7683         (Output_section::do_write,
7684         Output_section::write_to_postprocessing_buffer): Do code-fill
7685         generation as appropriate.
7686         (Output_section::get_input_sections): Invalidate relaxed input section
7687         map.
7688         (Output_section::restore_states): Adjust type of checkpoint .
7689         Invalidate relaxed input section map.
7690         * output.h (Output_merge_base): New class declaration.
7691         (Input_section_specifier): New class defintion.
7692         (class Output_relaxed_input_section) Change base class to
7693         Output_section_data_build.
7694         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7695         base class initializer.
7696         (Output_section::add_relaxed_input_section): New method declaration.
7697         (Output_section::Input_section): Change visibility to protected.
7698         (Output_section::Input_section::relobj,
7699         Output_section::Input_section::shndx): Handle relaxed input sections.
7700         Output_section::input_sections) Change visibility to protected.  Also
7701         define overload to return a non-const pointer.
7702         (Output_section::Merge_section_properties): New class defintion.
7703         (Output_section::Merge_section_by_properties_map,
7704         Output_section::Output_section_data_by_input_section_map,
7705         Output_section::Relaxation_map): New types.
7706         (Output_section::relax_input_section): Rename method to
7707         Output_section::convert_input_sections_to_relaxed_sections and change
7708         interface to take a vector of relaxed section pointers.
7709         (Output_section::find_merge_section,
7710         Output_section::find_relaxed_input_section,
7711         Output_section::build_relaxation_map,
7712         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7713         New method declarations.
7714         (Output_section::merge_section_map_
7715         Output_section::merge_section_by_properties_map_,
7716         Output_section::relaxed_input_section_map_,
7717         Output_section::is_relaxed_input_section_map_valid_,
7718         Output_section::generate_code_fills_at_write_): New data members.
7719         * script-sections.cc
7720         (Output_section_element_input::set_section_addresses): Call
7721         current_data_size and addralign methods of relaxed input sections.
7722         (Orphan_output_section::set_section_addresses): Call current_data_size
7723         and addralign methods of relaxed input sections.
7724         * symtab.cc (Symbol_table::compute_final_value): Extract template
7725         from the body of Symbol_table::sized_finalize_symbol.
7726         (Symbol_table::sized_finalized_symbol): Call
7727         Symbol_table::compute_final_value.
7728         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7729         (Symbol_table::compute_final_value): New templated method declaration.
7730         * target.cc (Target::do_make_output_section): New method defintion.
7731         * target.h (Target::make_output_section): New method declaration.
7732         (Target::relax): Add more parameters for input objects, symbol table
7733         and layout.  Adjust call to do_relax.
7734         (Target::do_make_output_section): New method declaration.
7735         (Target::do_relax): Add parameters for input objects, symbol table
7736         and layout.
7737
7738 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7739
7740         * pread.c: Include stdio.h.
7741
7742 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7743
7744         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7745         defined.
7746
7747 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7748
7749         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7750         Change read_shndx type to unsigned int.
7751         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7752         int.
7753         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7754         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7755         Change read_shndx type to unsigned int.
7756         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7757         int.
7758         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7759         * layout.cc (Layout::create_symtab_sections): Cast the result of
7760         local_symcount * symsize to off_t in the gold_assert.
7761
7762 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7763
7764         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7765         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7766         R_ARM_BASE_ABS.
7767         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7768         (Arm_relocate_functions::thm_abs5): New function.
7769         (Arm_relocate_functions::abs12): New function.
7770         (Arm_relocate_functions::abs16): New function.
7771         (Arm_relocate_functions::base_abs): New function.
7772         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7773         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7774         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7775         R_ARM_BASE_ABS.
7776         (Scan::global): Likewise.
7777         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7778         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7779         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7780         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7781         R_ARM_BASE_ABS.
7782
7783 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7784
7785         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7786         (Arm_relocate_functions::movt_prel): New function.
7787         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7788         (Arm_relocate_functions::thm_movt_prel): New function.
7789         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7790         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7791         (Scan::global, Relocate::relocate): Likewise.
7792         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7793
7794 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7795
7796         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7797         Incremental_checker.
7798         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7799         unsigned int.
7800         (class Incremental_inputs_header): New class.
7801         (Incremental_inputs_header_writer): Edit comment.
7802         (Incremental_inputs_entry): New class.
7803         (Incremental_inputs_entry_writer): Edit comment.
7804         (Sized_incremental_binary::do_find_incremental_inputs_section):
7805         Add *strtab_shndx parameter, fill it.
7806         (Sized_incremental_binary::do_check_inputs): New method.
7807         (Incremental_checker::can_incrementally_link_output_file): Use
7808         Sized_incremental_binary::check_inputs.
7809         (Incremental_inputs::report_command_line): Save command line in
7810         command_line_.
7811         * incremental.h:
7812         (Incremental_binary::find_incremental_inputs_section): New
7813         method.
7814         (Incremental_binary::do_find_incremental_inputs_section): Add
7815         strtab_shndx parameter.
7816         (Incremental_binary::do_check_inputs): New pure virtual method.
7817         (Sized_incremental_binary::do_check_inputs): Declare.
7818         (Incremental_checker::Incremental_checker): Add incremental_inputs
7819         parameter, use it to initialize incremental_inputs_.
7820         (Incremental_checker::incremental_inputs_): New field.
7821         (Incremental_checker::command_line): New method.
7822         (Incremental_checker::inputs): New method.
7823         (Incremental_checker::command_line_): New field.
7824
7825 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7826
7827         * incremental.cc: Include <cstdarg> and "target-select.h".
7828         (vexplain_no_incremental): New function.
7829         (explain_no_incremental): New function.
7830         (Incremental_binary::error): New method.
7831         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7832         method.
7833         (make_sized_incremental_binary): New function.
7834         (open_incremental_binary): New function.
7835         (can_incrementally_link_file): Add checks if output is ELF and has
7836         inputs section.
7837         * incremental.h: Include "elfcpp_file.h" and "output.h".
7838         (Incremental_binary): New class.
7839         (Sized_incremental_binary): New class.
7840         (open_incremental_binary): Declare.
7841         * object.cc (is_elf_object): Use
7842         elfcpp::Elf_recognizer::is_elf_file.
7843         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7844         * output.h (Output_file::filesize): New method.
7845
7846 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7847
7848         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7849         New function.
7850         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7851         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7852         function.
7853         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7854         function.
7855         (Arm_relocate_functions::movw_abs_nc): New function.
7856         (Arm_relocate_functions::movt_abs): New function.
7857         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7858         (Arm_relocate_functions::thm_movt_abs): New function.
7859         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7860         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7861         (Scan::global): Likewise.
7862         (Relocate::relocate): Likewise.
7863         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7864
7865 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7866
7867         * arm.cc (Arm_relocate_functions::got_prel) New function.
7868         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7869         (Relocate::relocate): Likewise.
7870         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7871
7872 2009-10-06  Ian Lance Taylor  <iant@google.com>
7873
7874         * options.h (class General_options): Define
7875         split_stack_adjust_size parameter.
7876         * object.h (class Object): Add uses_split_stack_ and
7877         has_no_split_stack_ fields.  Add uses_split_stack and
7878         has_no_split_stack accessor functions.  Declare
7879         handle_split_stack_section.
7880         (class Reloc_symbol_changes): Define.
7881         (class Sized_relobj): Define Function_offsets.  Declare
7882         split_stack_adjust, split_stack_adjust_reltype, and
7883         find_functions.
7884         * object.cc (Object::handle_split_stack_section): New function.
7885         (Sized_relobj::do_layout): Call handle_split_stack_section.
7886         * dynobj.cc (Sized_dynobj::do_layout): Call
7887         handle_split_stack_section.
7888         * reloc.cc (Sized_relobj::relocate_sections): Call
7889         split_stack_adjust for executable sections in split_stack
7890         objects.  Pass reloc_map to relocate_section.
7891         (Sized_relobj::split_stack_adjust): New function.
7892         (Sized_relobj::split_stack_adjust_reltype): New function.
7893         (Sized_relobj::find_functions): New function.
7894         * target-reloc.h: Include "object.h".
7895         (relocate_section): Add reloc_symbol_changes parameter.  Change
7896         all callers.
7897         * target.h (class Target): Add calls_non_split method.  Declare
7898         do_calls_non_split virtual method.  Declare match_view and
7899         set_view_to_nop.
7900         * target.cc: Include "elfcpp.h".
7901         (Target::do_calls_non_split): New function.
7902         (Target::match_view): New function.
7903         (Target::set_view_to_nop): New function.
7904         * gold.cc (queue_middle_tasks): Give an error if mixing
7905         split-stack and non-split-stack objects with -r.
7906         * i386.cc (Target_i386::relocate_section): Add
7907         reloc_symbol_changes parameter.
7908         (Target_i386::do_calls_non_split): New function.
7909         * x86_64.cc (Target_x86_64::relocate_section): Add
7910         reloc_symbol_changes parameter.
7911         (Target_x86_64::do_calls_non_split): New function.
7912         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7913         parameter.
7914         * powerpc.cc (Target_powerpc::relocate_section): Add
7915         reloc_symbol_changes parameter.
7916         * sparc.cc (Target_sparc::relocate_section): Add
7917         reloc_symbol_changes parameter.
7918         * configure.ac: Call AM_CONDITIONAL for the default target.
7919         * configure: Rebuild.
7920         * testsuite/Makefile.am (TEST_AS): New variable.
7921         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7922         (check_DATA): Add split_i386 and split_x86_64 files.
7923         (SPLIT_DEFSYMS): Define.
7924         (split_i386_[1234n].o): New targets.
7925         (split_i386_[124]): New targets.
7926         (split_i386_[1234r].stdout): New targets.
7927         (split_x86_64_[1234n].o): New targets.
7928         (split_x86_64_[124]): New targets.
7929         (split_x86_64_[1234r].stdout): New targets.
7930         (MOSTLYCLEANFILES): Add new executables.
7931         * testsuite/split_i386.sh: New file.
7932         * testsuite/split_x86_64.sh: New file.
7933         * testsuite/split_i386_1.s: New file.
7934         * testsuite/split_i386_2.s: New file.
7935         * testsuite/split_i386_3.s: New file.
7936         * testsuite/split_i386_4.s: New file.
7937         * testsuite/split_i386_n.s: New file.
7938         * testsuite/split_x86_64_1.s: New file.
7939         * testsuite/split_x86_64_2.s: New file.
7940         * testsuite/split_x86_64_3.s: New file.
7941         * testsuite/split_x86_64_4.s: New file.
7942         * testsuite/split_x86_64_n.s: New file.
7943         * testsuite/testfile.cc (Target_test): Update relocation_section
7944         function.
7945         * testsuite/Makefile.in: Rebuild.
7946
7947 2009-10-06  Ian Lance Taylor  <iant@google.com>
7948
7949         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7950         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7951         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7952         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7953         the address on ldo_addrs_.
7954         (Target_i386::Relocate::fix_up_ldo): New function.
7955
7956 2009-10-06   Rafael Espindola  <espindola@google.com>
7957
7958         * plugin.cc (add_input_library): New.
7959         (Plugin::load): Add add_input_library to tv.
7960         (Plugin_manager::add_input_file): Add the is_lib argument.
7961         (add_input_file): Update call to Plugin_manager::add_input_file.
7962         (add_input_library): New.
7963         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7964
7965 2009-09-30  Doug Kwan  <dougkwan@google.com>
7966
7967         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7968         symbol and call Symbol::may_need_copy_reloc to determine if
7969         a copy reloc is needed.
7970         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7971         nocopyreloc is given in command line.
7972         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7973         given in command line.
7974         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7975         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7976         of the removed Target_i386::may_need_copy_reloc.
7977         * options.h (copyreloc): New option with default value false.
7978         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7979         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7980         instead of the removed Target_powerpc::may_need_copy_reloc.
7981         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7982         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7983         instead of the removed Target_sparc::may_need_copy_reloc.
7984         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7985         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7986         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7987         instead of the removed Target_x86_64::may_need_copy_reloc.
7988
7989 2009-09-30  Ian Lance Taylor  <iant@google.com>
7990
7991         * object.h (class Object): Remove target_ field, and target,
7992         sized_target, and set_target methods.
7993         (Object::sized_target): Remove.
7994         (class Sized_relobj): Update declarations.  Remove sized_target.
7995         * object.cc (Sized_relobj::setup): Remove target parameter.
7996         Change all callers.
7997         (Input_objects::add_object): Don't do anything with the target.
7998         (make_elf_sized_object): Add punconfigured parameter.  Change all
7999         callers.  Set or test parameter target.
8000         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8001         Change all callers.
8002         * parameters.cc (Parameters::set_target): Change parameter type to
8003         be non-const.
8004         (Parameters::default_target): Remove.
8005         (set_parameters_target): Change parameter type to be non-const.
8006         (parameters_force_valid_target): New function.
8007         (parameters_clear_target): New function.
8008         * parameters.h (class Parameters): Update declarations.  Remove
8009         default_target method.  Add sized_target and clear_target
8010         methods.  Change target_ to be non-const.
8011         (set_parameters_target): Update declaration.
8012         (parameters_force_valid_target): Declare.
8013         (parameters_clear_target): Declare.
8014         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8015         as NULL if we aren't searching.
8016         (Add_symbols::run): Don't check for compatible target.
8017         * fileread.cc (Input_file::open_binary): Call
8018         parameters_force_valid_target.
8019         * gold.cc (queue_middle_tasks): Likewise.
8020         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8021         set_target on object.
8022         * dynobj.h (class Sized_dynobj): Update declarations.
8023         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8024         make_elf_object returns NULL.
8025         (Archive::include_member): Don't check whether object target is
8026         compatible.
8027         * output.cc (Output_section::add_input_section): Get target from
8028         parameters.
8029         (Output_section::relax_input_section): Likewise.
8030         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8031         parameters.
8032         (Sized_relobj::do_scan_relocs): Likewise.
8033         (Sized_relobj::relocate_sections): Likewise.
8034         * resolve.cc (Symbol_table::resolve): Likewise.
8035         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8036         parameter.  Change all callers.
8037         (Symbol_table::add_from_object): Get target from parameters.
8038         (Symbol_table::add_from_relobj): Don't check object target.
8039         (Symbol_table::add_from_dynobj): Likewise.
8040         (Symbol_table::define_special_symbol): Get target from
8041         parameters.
8042         * symtab.h (class Symbol_table): Update declaration.
8043         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8044         parameter.  Change all callers.  Clear parameter target.
8045         (Binary_test): Test target here.
8046         * testsuite/object_unittest.cc (gold_testsuite): Remove
8047         target_test_pointer parameter.  Change all callers.
8048         (Object_test): Test target here.
8049
8050 2009-09-26  Ian Lance Taylor  <iant@google.com>
8051
8052         * testsuite/initpri1.c: Don't try to use constructor priorities if
8053         compiling with gcc before 4.3.
8054
8055 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8056
8057         * testsuite/retain_symbols_file_test.sh (check_present): Change
8058         output file name to retain_symbols_file_test.stdout.
8059         (check_absent): Likewise.
8060
8061 2009-09-18  Craig Silverstein  <csilvers@google.com>
8062
8063         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8064         * options.cc: Include <cerrno> and <fstream>.
8065         (General_options::finalize): Parse -retain-symbols-file tag.
8066         * options.h: New flag.
8067         (General_options): New method should_retain_symbol, new
8068         variable symbols_to_retain.
8069         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8070         should_retain_symbol map.
8071         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8072         * testsuite/Makefile.in: Regenerate.
8073         * testsuite/retain_symbols_file_test.sh: New file.
8074
8075 2009-09-18  Nick Clifton  <nickc@redhat.com>
8076
8077         * po/es.po: Updated Spanish translation.
8078
8079 2009-09-17  Doug Kwan  <dougkwan@google.com>
8080
8081         * debug.h (DEBUG_RELAXATION): New constant.
8082         (DEBUG_ALL): Add DEBUG_RELAXATION.
8083         (debug_string_to_enum): Add relaxation debug option.
8084         * layout.cc
8085         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8086         Layout::Relaxation_debug_check::read_sections,
8087         Layout::Relaxation_debug_check::read_sections): New method definitions.
8088         (Layout::Layout): Initialize data members
8089         record_output_section_data_from_scrips_,
8090         script_output_section_data_list_ and relaxation_debug_check_.
8091         (Layout::save_segments, Layout::restore_segments,
8092         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8093         Layout::relaxation_loop_body): New method definitions.
8094         (Layout::finalize): Support relaxation.  Move section layout code to
8095         Layout::relaxation_loop_body.
8096         (Layout::set_asection_address_from_script): Move code for orphan
8097         section placement out.
8098         (Layout::place_orphan_sections_in_script): New method definition.
8099         * layout.h (Output_segment_headers, Output_file_header):
8100         New forward class declarations.
8101         (Layout::~Layout): Define.
8102         (Layout::new_output_section_data_from_script): New method definition.
8103         (Layout::place_orphan_sections_in_script): New method declaration.
8104         (Layout::Segment_states): New type declaration.
8105         (Layout::save_segments, Layout::restore_segments,
8106         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8107         Layout::relaxation_loop_body): New method declarations.
8108         (Layout::Output_section_data_list): New type declaration.
8109         (Layout::Relaxation_debug_check): New class definition.
8110         (Layout::record_output_section_data_from_script_,
8111         Layout::script_output_section_data_list_, Layout::segment_states_,
8112         Layout::relaxation_debug_check_): New data members.
8113         * output.cc: (Output_section_headers::do_size): New method definition.
8114         (Output_section_headers::Output_section_headers): Move size
8115         computation to Output_section_headers::do_size.
8116         (Output_segment_headers::do_size): New method definition.
8117         (Output_file_header::Output_file_header): Move size computation to
8118         Output_file_header::do_size and call it.
8119         (Output_file_header::do_size): New method definition.
8120         (Output_data_group::Output_data_group): Adjust call to
8121         Output_section_data.
8122         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8123         (Output_symtab_xindex::do_write): Add array bound check.
8124         (Output_section::Input_section::print_to_mapfile): Handle
8125         RELAXED_INPUT_SECTION_CODE.
8126         (Output_section::Output_section): Initialize data member checkpoint_.
8127         (Output_section::~Output_section): Delete checkpoint object pointed
8128         by checkpoint_.
8129         (Output_section::add_input_section): Always add an Input_section if
8130         relaxing.
8131         (Output_section::add_merge_input_section): Add assert.
8132         (Output_section::relax_input_section): New method definition.
8133         (Output_section::set_final_data_size): Set load address to zero for
8134         an unallocated section.
8135         (Output_section::do_address_and_file_offset_have_reset_values):
8136         New method definition.
8137         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8138         Handle relaxed input section.
8139         (Output_section::sort_attached_input_sections): Checkpoint input
8140         section list lazily.
8141         (Output_section::get_input_sections): Change type of input_sections to
8142         list of Simple_input_section pointers.  Checkpoint input section list
8143         lazily.  Also handle relaxed input sections.
8144         (Output_section::add_input_section_for_script): Take a reference to
8145         a Simple_input_section object instead of Relobj pointer and section
8146         index as parameter.  Handle relaxed input sections.
8147         (Output_section::save_states, Output_section::restore_states): New
8148         method definitions.
8149         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8150         (Output_data::is_data_size_fixed): New method definition.
8151         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8152         if it is fixed.
8153         (Output_data::address_and_file_offset_have_reset_values): New method
8154         definition.
8155         (Output_data::do_address_and_file_offset_have_reset_values): New method
8156         definition.
8157         (Output_data::set_data_size): Check that data size is not fixed.
8158         (Output_data::fix_data_size): New method definition.
8159         (Output_data::is_data_size_fixed_): New data member.
8160         (Output_section_headers::set_final_data_size): New method definition.
8161         (Output_section_headers::do_size): New method declaration.
8162         (Output_segment_headers::set_final_data_size): New method definition.
8163         (Output_segment_headers::do_size): New method declaration.
8164         (Output_file_header::set_final_data_size)::New method definition.
8165         (Output_file_header::do_size)::New method declaration.
8166         (Output_section_data::Output_section_data): Add new parameter
8167         is_data_size_fixed and use it to fix data size.
8168         (Output_data_const::Output_data_const): Adjust call to base class
8169         constructor and fix data size.
8170         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8171         base class constructor and fix data size.
8172         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8173         base class constructor and fix data size.
8174         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8175         class constructor and fix data size.
8176         (Output_data_group::set_final_data_size): New method definition.
8177         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8178         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8179         class constructor and fix data size.
8180         (Output_relaxed_input_section): New class definition.
8181         (Output_section::Simple_input_section): New class definition.
8182         (Output_section::get_input_sections): Adjust parameter list.
8183         (Output_section::add_input_section_for_script): Same.
8184         (Output_section::save_states, Output_section::restore_states,
8185         Output_section::do_address_and_file_offset_have_reset_values,
8186         (Output_section::Input_section::Input_section): Handle
8187         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8188         Output_relaxed_input_section.
8189         (Output_section::Input_section::is_input_section,
8190         Output_section::Input_section::set_output_section): Handle relaxed
8191         input section.
8192         (Output_section::Input_section::is_relaxed_input_section,
8193         Output_section::Input_section::output_section_data,
8194         Output_section::Input_section::relaxed_input_section): New method
8195         definitions.
8196         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8197         value.
8198         (Output_section::Input_section::u1_): Update comments.
8199         (Output_section::Input_section::u2_): Add new union member poris.
8200         (Output_section::Checkpoint_output_section): New classs definition.
8201         (Output_section::relax_input_section): New method declaration.
8202         (Output_section::checkpoint_): New data member.
8203         (Output_segment): Update comments.
8204         (Output_segment::Output_segment): Un-privatize copy constructor.
8205         (Output_segment::operator=): Un-privatize.
8206         * script-sections.cc (Output_section_element::Input_section_list):
8207         Change element type to Output_section::Simple_input_section.
8208         (Output_section_element_dot_assignment::set_section_addresses):
8209         Register output section data for relaxation clean up.
8210         (Output_data_exression::Output_data_expression): Adjust call to base
8211         constructor to fix data size.
8212         (Output_section_element_data::set_section_addresses): Register
8213         Output_data_expression object for relaxation clean up.
8214         (struct Input_section_info): Replace Relobj pointer and section index
8215         pair with Output_section::Simple_input_section and Convert struct to a
8216         class.
8217         (Input_section_sorter::operator()): Adjust access to
8218         Input_section_info data member to use accessors.
8219         (Output_section_element_input::set_section_addresses): Use layout
8220         parameter.  Adjust code to use Output_section::Simple_input_section
8221         and Input_secction_info classes.  Register filler for relaxation
8222         clean up.
8223         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8224         and section index pair with Output_section::Simple_input_section
8225         class.  Adjust code accordingly.
8226         (Phdrs_element::release_segment): New method definition.
8227         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8228         segment list.
8229         (Script_sections::release_segments): New method definition.
8230         * gold/script-sections.h (Script_sections::release_segments): New
8231         method declaration.
8232         * gold/target.h (Target::may_relax, Target::relax,
8233         Target::do_may_relax, Target::do_relax): New method definitions.
8234
8235 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8236
8237         * arm.cc (has_signed_unsigned_overflow): New function.
8238         (Arm_relocate_functions::abs8): New function.
8239         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8240         (Target_arm::Scan::global): Likewise.
8241         (Target_arm::relocate::relocate): Likewise.
8242         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8243         Likewise.
8244
8245 2009-09-16  Cary Coutant  <ccoutant@google.com>
8246
8247         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8248         * testsuite/Makefile.in: Regenerate.
8249
8250 2009-09-11  Nick Clifton  <nickc@redhat.com>
8251
8252         * po/gold.pot: Updated by the Translation project.
8253
8254 2009-09-08  Cary Coutant  <ccoutant@google.com>
8255
8256         * output.cc (Output_file::open): Add execute permission to empty file.
8257         * testsuite/Makefile.am (permission_test): New test.
8258         * testsuite/Makefile.in: Regenerate.
8259
8260 2009-09-02  Ian Lance Taylor  <iant@google.com>
8261
8262         * output.cc (Output_file::resize): Call map_no_anonymous rather
8263         than map.
8264
8265 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8266
8267         * gold.cc: Include "incremental.h".
8268         (queue_initial_tasks): Call Incremental_checker methods.
8269         * incremental.cc: Include "output.h".
8270         (Incremental_checker::can_incrementally_link_output_file): New
8271         method.
8272         * incremental.h (Incremental_checker): New class.
8273
8274         * output.cc (Output_file::open_for_modification): New method.
8275         (Output_file::map_anonymous): Changed return type to bool.  Record
8276         map in base_ field.
8277         (Output_file::map_no_anonymous): New method, broken out of map.
8278         (Output_file::map): Use map_no_anonymous and map_anonymous.
8279         * output.h (class Output_file): Update declarations.
8280
8281 2009-08-24  Cary Coutant  <ccoutant@google.com>
8282
8283         * options.h (Command_line::Pre_options): New class.
8284         (Command_line::pre_options): New member.
8285         * options.cc (gold::options::ready_to_register): New variable.
8286         (One_option::register_option): Do nothing if not registering options.
8287         Assert if same short option registered twice.
8288         (General_options::General_options): Turn off option registration when
8289         done constructing.
8290         (Command_line::Pre_options::Pre_options): New constructor.
8291
8292 2009-08-24  Cary Coutant  <ccoutant@google.com>
8293
8294         * options.h (General_options::no_keep_memory): Remove incorrect
8295         short option.
8296
8297 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8298
8299         * Makefile.am (am__skiplex, am__skipyacc): New.
8300         * Makefile.in: Regenerate.
8301
8302 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8303
8304         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8305         (INCLUDES): ... this.
8306         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8307         (AM_CPPFLAGS): Renamed from ...
8308         (INCLUDE): ... this.
8309         * Makefile.in, testsuite/Makefile.in: Regenerate.
8310
8311         * Makefile.in: Regenerate.
8312         * aclocal.m4: Likewise.
8313         * config.in: Likewise.
8314         * configure: Likewise.
8315         * testsuite/Makefile.in: Likewise.
8316
8317         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8318         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8319         * Makefile.in: Regenerate.
8320         * testsuite/Makefile.in: Regenerate.
8321
8322 2009-08-19  Cary Coutant  <ccoutant@google.com>
8323
8324         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8325         symbols in shared libraries overridden by hidden or internal symbols
8326         in the main program.
8327
8328 2009-08-19  Chris Demetriou  <cgd@google.com>
8329
8330         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8331         checking source file names in error messages.
8332
8333 2009-08-18  Doug Kwan  <dougkwan@google.com>
8334
8335         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8336         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8337         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8338         an elfcpp::Ehdr as parameter.
8339         * object.cc (Object::set_target): Remove the version that looks up
8340         a target and sets it.
8341         (Sized_relobj::setup): Take a Target object instead of
8342         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8343         (make_elf_sized_object): Find target and ask target to
8344         make an ELF object.
8345         * object.h: (Object::set_target): Remove the version that looks up
8346         a target and sets it.
8347         (Sized_relobj::setup): Take a Target object instead of
8348         an elfcpp:Ehdr as parameter.
8349         * target.cc: Include dynobj.h.
8350         (Target::do_make_elf_object_implementation): New.
8351         (Target::do_make_elf_object): New.
8352         * target.h (Target::make_elf_object): New template declaration.
8353         (Target::do_make_elf_object): New method declarations.
8354         (Target::do_make_elf_object_implementation): New template declaration.
8355
8356 2009-08-14  Ian Lance Taylor  <iant@google.com>
8357
8358         * gold.h (FUNCTION_NAME): Define.
8359         (gold_unreachable): Use FUNCTION_NAME.
8360
8361 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8362
8363         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8364         symbol in the --keep-unique list is not found.
8365
8366 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8367
8368         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8369         been maked as --keep-unique.
8370         (Icf::unfold_section): New function.
8371         * icf.h (Icf::unfold_section): New function.
8372         * options.h (General_options::keep_unique): New option.
8373         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8374         * testsuite/Makefile.in: Regenerate.
8375         * testsuite/icf_keep_unique_test.sh: New file.
8376         * testsuite/icf_keep_unique_test.cc: New file.
8377
8378 2009-08-12  Cary Coutant  <ccoutant@google.com>
8379
8380         PR 10471
8381         * resolve.cc (Symbol_table::resolve): Check for references from
8382         dynamic objects to hidden and internal symbols.
8383         * testsuite/Makefile.am (hidden_test.sh): New test.
8384         * testsuite/Makefile.in: Regenerate.
8385         * testsuite/hidden_test.sh: New script.
8386         * testsuite/hidden_test_1.c: New test source.
8387         * testsuite/hidden_test_main.c: New test source.
8388
8389 2009-08-11  Doug Kwan  <dougkwan@google.com>
8390
8391         * arm.cc: Update comments.
8392         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8393         segment to locate the .ARM.exidx section if present.
8394
8395 2009-08-09  Doug Kwan  <dougkwan@google.com>
8396
8397         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8398         patch.
8399
8400 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8401         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8402         compiler warnings.
8403
8404 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8405
8406         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8407         valid tls_segment only for non-debug-section relocations.
8408         * testsuite/Makefile.am: Add gc_tls_test.
8409         * testsuite/Makefile.in: Regenerate.
8410         * testsuite/gc_tls_test.cc: New file.
8411         * testsuite/gc_tls_test.sh: New file.
8412
8413 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8414
8415         * icf.cc: New file.
8416         * icf.h: New file.
8417         * Makefile.am (CCFILES): Add icf.cc.
8418         (HFILES): Add icf.h
8419         * Makefile.in: Regenerate.
8420         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8421         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8422         section, symbol and addend information for the relocs.
8423         * gold.cc (queue_middle_tasks): Call identical code folding.
8424         * gold.h: Add defines for multimap.
8425         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8426         to the call of finalize_local_symbols.
8427         * main.cc (main): Create object of class Icf.
8428         * object.cc (Sized_relobj::do_layout): Allow this function to be
8429         called twice during icf.
8430         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8431         to sections marked as identical by icf.
8432         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8433         when available.
8434         (Sized_relobj::do_section_entsize): New function.
8435         * object.h (Object::section_entsize): New function.
8436         (Object::do_section_entsize): New pure virtual function.
8437         (Relobj::finalize_local_symbols): Add new parameter.
8438         (Relobj::do_section_entsize): New function.
8439         * options.h (General_options::icf): New option.
8440         (General_options::icf_iterations): New option.
8441         (General_options::print_icf_sections): New option.
8442         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8443         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8444         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8445         icf.
8446         * symtab.cc (Symbol_table::is_section_folded): New function.
8447         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8448         to sections marked as identical by icf.
8449         * symtab.h (Symbol_table::set_icf): New function.
8450         (Symbol_table::icf): New function.
8451         (Symbol_table::is_section_folded): New function.
8452         (Symbol_table::icf_): New data member.
8453         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8454         * testsuite/Makefile.am: Add commands to build icf_test.
8455         * testsuite/Makefile.in: Regenerate.
8456         * testsuite/icf_test.sh: New file.
8457         * testsuite/icf_test.cc: New file.
8458
8459 2009-07-24  Chris Demetriou  <cgd@google.com>
8460
8461         * layout.cc (is_compressible_debug_section): Fix incorrect
8462         comment about compressed section names.
8463
8464 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8465
8466         PR 10419
8467         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8468
8469 2009-07-16  Ian Lance Taylor  <iant@google.com>
8470
8471         PR 10400
8472         * layout.h: #include <map>.
8473         (class Kept_section): Change from struct to class.  Add accessors
8474         and setters.  Add section size to Comdat_group mapping.  Change
8475         Comdat_group to std::map.  Add is_comdat_ field.  Add
8476         linkonce_size field in union.
8477         (class Layout): Update declaration of find_or_add_kept_section.
8478         Don't declare find_kept_object.
8479         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8480         parameter.  Add object, shndx, is_comdat, and is_group_name
8481         parameters.  Change all callers.  Adjust for new Kept_section.
8482         (Layout::find_kept_object): Remove.
8483         * object.cc (Sized_relobj::include_section_group): Update use of
8484         Kept_section.  Rename secnum to shndx.  Only record
8485         Kept_comdat_section if sections are the same size.
8486         (Sized_relobj::include_linkonce_section): Update use of
8487         Kept_section.  Only record Kept_comdat_section if sections are the
8488         same size.  Set size of linkonce section.
8489         (Sized_relobj::map_to_kept_section): Update call to
8490         get_kept_comdat_section.
8491         * object.h (class Sized_relobj): Rename fields in
8492         Kept_comdat_section to drop trailing underscores; change object
8493         field to Relobj*.  Change Kept_comdat_section_table to store
8494         struct rather than pointer.
8495         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8496         Add kept_object and kept_shndx parameters.  Change all callers.
8497         (Sized_relobj::get_kept_comdat_section): Change return type to
8498         bool.  Add kept_object and kept_shndx parameters.  Change all
8499         callers.
8500         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8501         Layout::find_or_add_kept_section.
8502
8503 2009-07-09  Ian Lance Taylor  <iant@google.com>
8504
8505         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8506         Reserve space in the hash table.
8507
8508 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8509
8510         * fileread.cc (File_read::get_mtime): New method.
8511         * fileread.h (Timespec): New structure.
8512         (File_read::get_mtime): New method.
8513         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8514         Renamed from timestamp_nsec.
8515         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8516         Elf_Xword.
8517         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8518         timestamp_nsec.
8519         (Incremental_inputs::report_archive): Save mtime; style fix.
8520         (Incremental_inputs::report_obejct): Save mtime; style fix.
8521         (Incremental_inputs::report_script): Save mtime; style fix.
8522         (Incremental_inputs::finalize_inputs): Style fix.
8523         (Incremental_inputs::finalize): Style fix.
8524         (Incremental_inputs::create_input_section_data): Store inputs
8525         mtime.
8526         * incremental.h (Incremental_inputs::report_script): Add mtime
8527         argument.
8528         (Incremental_inputs::Input_info::Input_info): Intialize only one
8529         union member.
8530         (Incremental_inputs::Input_info::archive): Move to nameless
8531         union.
8532         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8533         (Incremental_inputs::Input_info::script): Move to nameless union.
8534         (Incremental_inputs::mtime): New field.
8535         * script.cc (read_input_script): Pass file mtime to
8536         Incremental_input.
8537         * script.h (Script_info::inputs): Style fix.
8538
8539 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8540
8541         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8542         instead of 32.
8543
8544 2009-06-24  Ian Lance Taylor  <iant@google.com>
8545
8546         PR 10156
8547         * layout.cc (Layout::choose_output_section): If we find an
8548         existing section, update the flags.
8549         (Layout::create_notes): New function, broken out of
8550         Layout::finalize.
8551         (Layout::finalize): Don't create note sections.
8552         (Layout::create_note): Don't crash if linker script discards
8553         section.
8554         (Layout::create_gold_note): Likewise.
8555         (Layout::create_build_id): Likewise.  Don't set
8556         after_input_sections on the section.
8557         (Layout::create_executable_stack_info): Remove target parameter.
8558         Change caller.
8559         * layout.h (class Layout): Declare create_notes.  Update
8560         declaration of create_executable_stack_info.
8561         * gold.cc (queue_middle_tasks): Call create_notes.
8562         * output.cc (Output_section::update_flags_for_input_section): Move
8563         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8564         invalid.
8565         * output.h (Output_data::mark_address_invalid): New function.
8566         (class Output_section): Only declare, not define,
8567         update_flags_for_input_section.  Remove set_flags.
8568
8569 2009-06-24  Ian Lance Taylor  <iant@google.com>
8570
8571         * script-sections.cc (Output_section_definition::
8572         set_section_addresses): Rename shadowing local load_address to
8573         laddr.
8574
8575 2009-06-24  Ian Lance Taylor  <iant@google.com>
8576
8577         PR 10244
8578         * reloc.cc (relocate_sections): Skip empty relocation sections.
8579
8580 2009-06-23  Ian Lance Taylor  <iant@google.com>
8581
8582         PR 10156
8583         * layout.cc (Layout::create_note): Use choose_output_section
8584         rather than make_output_section.
8585
8586 2009-06-23  Ian Lance Taylor  <iant@google.com>
8587
8588         PR 10237
8589         * options.cc (General_options::parse_V): Set printed_version_.
8590         (General_options::General_options): Initialize printed_version_.
8591         * options.h (class General_options): Add printed_version_ field.
8592         * gold.cc (queue_initial_tasks): If there are no input files,
8593         don't give a fatal error if we printed the version information.
8594         (queue_middle_tasks): If using -r with a shared object, give a
8595         fatal error rather than an ordinary error.
8596
8597 2009-06-23  Ian Lance Taylor  <iant@google.com>
8598
8599         PR 10219
8600         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8601         (Layout::make_output_section): Set have_stabstr_section_ if we see
8602         a .stab*str section.
8603         (Layout::finalize): Call link_stabs_sections.
8604         (Layout::link_stabs_sections): New file.
8605         * layout.h (class Layout): Add have_stabstr_section_ field.
8606         Declare link_stabs_sections.
8607
8608 2009-06-23  Doug Kwan  <dougkwan@google.com>
8609
8610         * Makefile.am (libgold_a_LIBADD): New.
8611         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8612         * Makefile.in: Regenerate.
8613         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8614         * configure: Regenerate.
8615         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8616         * fileread.cc: Include sys/state.h
8617         * gold.h: Declare memmem and strndup if found missing.
8618         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8619
8620 2009-06-23  Ian Lance Taylor  <iant@google.com>
8621
8622         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8623         * configure: Rebuild.
8624
8625 2009-06-23  Ian Lance Taylor  <iant@google.com>
8626
8627         PR 10147
8628         * object.cc (Object::section_contents): Don't try to get a view if
8629         the section has length zero.
8630         (Object::handle_gnu_warning_section): If the section is empty, use
8631         the name of the section as the warning.
8632
8633 2009-06-23  Ian Lance Taylor  <iant@google.com>
8634
8635         PR 10133
8636         * stringpool.h (class Stringpool_template): Add optimize_ field.
8637         (Stringpool_template::set_optimize): New function.
8638         * stringpool.cc (Stringpool_template::Stringpool_template):
8639         Initialize optimize_ field.
8640         (Stringpool_template::set_string_offsets): Test local optimize
8641         fild rather than parameter.
8642         * layout.cc (Layout::Layout): Call set_optimize on the section
8643         name stringpool.
8644
8645 2009-06-22  Ian Lance Taylor  <iant@google.com>
8646
8647         PR 10030
8648         * yyscript.y: Parse TARGET.
8649         * script.cc (script_set_target): New function.
8650         * script-c.h (script_set_target): Declare.
8651         * options.cc (General_options::string_to_object_format): Rename
8652         from string_to_object_format in anonymous namespace.  Change
8653         callers.
8654         * options.h (class General_options): Declare
8655         string_to_object_format.
8656
8657 2009-06-22  Ian Lance Taylor  <iant@google.com>
8658
8659         * script-sections.cc (Script_sections::create_segments): Don't put
8660         program headers in a PT_LOAD segment if -n or -N.
8661
8662 2009-06-22  Ian Lance Taylor  <iant@google.com>
8663
8664         PR 10141
8665         * options.h (class General_options): Add -z lazy and -z now.  Sort
8666         -z options into alphabetical order.
8667         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8668
8669 2009-06-21  Ian Lance Taylor  <iant@google.com>
8670
8671         * layout.cc (Layout::make_output_section): Call
8672         Target::new_output_section.
8673         (Layout::attach_allocated_section_to_segment): Put large section
8674         sections in a separate load segment with the large segment flag
8675         set.
8676         (Layout::segment_precedes): Sort large data segments after other
8677         load segments.
8678         (align_file_offset): New static function.
8679         (Layout::set_segment_offsets): Use align_file_offset.
8680         * output.h (class Output_section): Add is_small_section_ and
8681         is_large_section_ fields.
8682         (Output_section::is_small_section): New function.
8683         (Output_section::set_is_small_section):  New function.
8684         (Output_section::is_large_section): New function.
8685         (Output_section::set_is_large_section): New function.
8686         (Output_section::is_large_data_section): New function.
8687         (class Output_segment): Add is_large_data_segment_ field.
8688         (Output_segment::is_large_data_segment): New function.
8689         (Output_segment::set_is_large_data_segment): New function.
8690         * output.cc (Output_section::Output_section): Initialize new
8691         fields.
8692         (Output_segment::Output_segment): Likewise.
8693         (Output_segment::add_output_section): Add assertion that large
8694         data sections always go in large data segments.  Force small data
8695         sections to the end of the list of data sections.  Force small BSS
8696         sections to the start of the list of BSS sections.  For large BSS
8697         sections to the end of the list of BSS sections.
8698         * symtab.h (class Symbol): Declare is_common_shndx.
8699         (Symbol::is_defined): Check Symbol::is_common_shndx.
8700         (Symbol::is_common): Likewise.
8701         (class Symbol_table): Define enum Commons_section_type.  Update
8702         declarations.  Add small_commons_ and large_commons_ fields.
8703         * symtab.cc (Symbol::is_common_shndx): New function.
8704         (Symbol_table::Symbol_table): Initialize new fields.
8705         (Symbol_table::add_from_object): Put small and large common
8706         symbols in the right list.
8707         (Symbol_table::sized_finalized_symbol): Check
8708         Symbol::is_common_shndx.
8709         (Symbol_table::sized_write_globals): Likewise.
8710         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8711         common symbol lists.  Don't call do_allocate_commons_list if the
8712         list is empty.
8713         (Symbol_table::do_allocate_commons_list): Remove is_tls
8714         parameter.  Add comons_section_type parameter.  Change all
8715         callers.  Handle small and large common symbols.
8716         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8717         Symbol::is_common_shndx.
8718         * resolve.cc (symbol_to_bits): Likewise.
8719         * target.h (Target::small_common_shndx): New function.
8720         (Target::small_common_section_flags): New function.
8721         (Target::large_common_shndx): New function.
8722         (Target::large_common_section_flags): New function.
8723         (Target::new_output_section): New function.
8724         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8725         small_common_section_flags, and large_common_section_flags
8726         fields.
8727         (Target::do_new_output_section): New virtual function.
8728         * arm.cc (Target_arm::arm_info): Initialize new fields.
8729         * i386.cc (Target_i386::i386_info): Likewise.
8730         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8731         Likewise.
8732         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8733         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8734         (Target_x86_64::do_new_output_section): New function.
8735         * configure.ac: Define conditional MCMODEL_MEDIUM.
8736         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8737         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8738         (large_LDFLAGS): Define.
8739         * testsuite/large.c: New file.
8740         * testsuite/testfile.cc (Target_test::test_target_info):
8741         Initialize new fields.
8742         * configure, testsuite/Makefile.in: Rebuild.
8743
8744 2009-06-05  Doug Kwan  <dougkwan@google.com>
8745
8746         * Makefile.am (CCFILES): Add target.cc.
8747         * Makefile.in: Regenerate.
8748         * i386.cc (class Target_i386): Define new virtual method to
8749         override do_is_local_label_name in parent.
8750         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8751         local symbols if --discard-locals or -X is given.
8752         * options.h (class General_options): Declare new options
8753         '--discard-locals' and '-X' for discarding locals.
8754         * target.h (class Target): Define new methods is_local_label_name.
8755         Declare new virtual method do_is_local_label_name.
8756         * target.cc: New file.
8757         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8758         (check_SCRIPTS): Add discard_locals_test.sh.
8759         (check_DATA): Add discard_local_tests.syms.
8760         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8761         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8762         * testsuite/Makefile.in: Regenerate.
8763         * testsuite/discard_locals_test.c: New file.
8764         * testsuite/discard_locals_test.sh: Same.
8765
8766 2009-06-05  Doug Kwan  <dougkwan@google.com>
8767
8768         * object.cc (Sized_relobj::Sized_relobj): Initialize
8769         discarded_eh_frame_shndx_ to -1U.
8770         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8771         section.
8772         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8773         a discarded .eh_frame section.
8774         (Sized_relobj::do_finalize_local_symbols): Ditto.
8775         * object.h (class Sized_relobj): Declare new member
8776         discarded_eh_frame_shndx_.
8777         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8778         (local_labels_test.o, local_labels_test): New rules.
8779         * testsuite/Makefile.in: Regenerate.
8780
8781 2009-06-04  Doug Kwan  <dougkwan@google.com>
8782
8783         * layout.cc (Layout::section_name_mapping): Add mapping for
8784         special ARM sections.
8785
8786 2009-06-03  Doug Kwan  <dougkwan@google.com>
8787
8788         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8789         (utils::has_overflow): Same.
8790
8791 2009-06-03  Ian Lance Taylor  <iant@google.com>
8792
8793         * layout.cc (Layout::section_name_mapping): New array, replacing
8794         Layout::linkonce_mapping.
8795         (Layout::section_name_mapping_count): New variable, replacing
8796         Layout::linkonce_mapping_count.
8797         (Layout::linkonce_output_name): Remove.
8798         (Layout::output_section_name): Rewrite.
8799         * layout.h (class Layout): Rename Linkonce_mapping to
8800         Section_name_mapping, linkonce_mapping to section_name_mapping,
8801         linkonce_mapping_count to section_name_mapping_count.  Don't
8802         declare linkonce_output_name.
8803
8804 2009-06-03  Doug Kwan  <dougkwan@google.com>
8805
8806         * gold/arm.cc (namespace utils): New.
8807         (Target_arm::reloc_is_non_pic): Define new method.
8808         (class Arm_relocate_functions): New.
8809         (Target_arm::Relocate::relocate): Handle relocation types used by
8810         Android.
8811
8812 2009-06-03  Ian Lance Taylor  <iant@google.com>
8813
8814         * arm.cc (Target_arm::scan::global): Use || instead of |.
8815
8816 2009-06-02  Doug Kwan  <dougkwan@google.com>
8817
8818         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8819         issued_non_pic_error_.
8820         (class Target_arm::Scan): Declare new method check_non_pic.
8821         Define new method symbol_needs_plt_entry.
8822         Declare new data member issued_non_pic_error_.
8823         (class Target_arm::Relocate): Declare new method
8824         should_apply_static_reloc.
8825         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8826         (Target_arm::Scan::check_non_pic): Define new method.
8827         (Target_arm::Scan::local): Handle a small subset of reloc types used
8828         by Android.
8829         (Target_arm::Scan::local): Same.
8830         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8831
8832 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8833
8834         * incremental.cc (Incremental_inputs::report_command_line): Filter
8835         out --incremental-* options.
8836
8837 2009-05-29  Doug Kwan  <dougkwan@google.com>
8838
8839         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8840         template class.
8841         (class Target_arm): Update comment.
8842         (Target_arm::Target_arm): Initialize new data members GOT_,
8843         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8844         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8845         and Target_arm::rel_dyn_section.
8846         Declare new_enum Target_arm::Got_type.
8847         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8848         and DYNBSS_.
8849         Update commments for member do_dynsym_value.
8850         (Target_arm::got_size, Target_arm::plt_section,
8851         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8852         new methods inside class defintion.
8853         (Target_arm::got_section): Define new method.
8854         (Target_arm::rel_dyn_section): Same.
8855         (Output_data_plt_arm): New template class.
8856         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8857         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8858         (Output_data_plt_arm::add_entry): Same.
8859         (Output_data_plt_arm::first_plt_entry): Define new
8860         static data member for PLT instruction template.
8861         (Output_data_plt_arm::plt_entry): Same.
8862         (Output_data_plt_arm::do_write): Define new method.
8863         (Target_arm::make_plt_entry): Same.
8864         (Target_arm::do_finalize_sections): Same.
8865         (Target_arm::do_dynsym_value): Same.
8866
8867 2009-05-28  Doug Kwan  <dougkwan@google.com>
8868
8869         * Makefile.am (TARGETSOURCES): Add arm.cc.
8870         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8871         * Makefile.in: Regenerate.
8872         * arm.cc: New file.
8873         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8874
8875 2009-05-26  Doug Kwan  <dougkwan@google.com>
8876
8877         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8878         (General_options::check_excluded_libs): Strip off directories in
8879         archive name before matching like GNU ld does.
8880         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8881         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8882         (exclude_libs_test_LDFLAGS): Add linker option
8883         -Wl,--exclude-libs,libexclude_libs_test_3
8884         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8885         an explicit archive without using -l.
8886         (alt/libexclude_libs_test_3.a): New make rule.
8887         * testsuite/Makefile.in: Regenerate.
8888         * testsuite/exclude_libs_test.c : Declare lib3_default().
8889         (main): Call it.
8890         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8891         * exclude_libs_test_3.c: New file.
8892
8893 2009-05-26  Nick Clifton  <nickc@redhat.com>
8894
8895         * po/id.po: New Indonesian translation.
8896         * po/gold.pot: Updated template file.
8897
8898 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8899
8900         * testsuite/Makefile.am: Add -ffunction-sections to compile
8901         gc_comdat_test files.  Add -Wl,--gc-sections to build
8902         gc_comdat_test.
8903         * testsuite/Makefile.in: Regenerate.
8904         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8905
8906 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8907
8908         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8909         kept comdat section was garbage collected.
8910         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8911         * testsuite/Makefile.in: Regenerate.
8912         * testsuite/gc_comdat_test.sh: New file.
8913         * testsuite/gc_comdat_test_1.cc: New file.
8914         * testsuite/gc_comdat_test_2.cc: New file.
8915
8916 2009-05-19  Doug Kwan  <dougkwan@google.com>
8917
8918         * archive.cc (Archive::Archive): Move constructor from archive.h
8919         to here.  Initialize no_export_.
8920         (Archive::get_elf_object_for_member): Set no_export flag of object.
8921         * archive.h (Archive::Archive): Move constructor body to
8922         archive.cc.
8923         (Archive::no_export): New method.
8924         (Archive::no_export_): New field.
8925         * object.h (Object::Object): Initialize no_export_ to false.
8926         (Object::no_export, Object::set_no_export): New methods.
8927         (Object::no_export_): New field.
8928         * options.cc (General_options::parse_exclude_libs): New method.
8929         (General_options::check_excluded_libs) Same.
8930         * options.h (exclude_libs): New option.
8931         (General_options::check_excluded_libs): New method declaration.
8932         (General_options::excluded_libs_): New field.
8933         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8934         default or protected visibility if an object has no-export flag set.
8935         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8936         (check_SCRIPTS): Add exclude_libs_test.sh.
8937         (check_DATA): Add exclude_libs_test.syms.
8938         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8939         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8940         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8941         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8942         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8943         libexclude_libs_test_2.a): New rules.
8944         * testsuite/Makefile.in: Regenerate.
8945         * testsuite/exclude_libs_test.c: New file.
8946         * testsuite/exclude_libs_test.sh: Ditto.
8947         * testsuite/exclude_libs_test_1.c: Ditto.
8948         * testsuite/exclude_libs_test_2.c: Ditto.
8949
8950 2009-05-15  Ian Lance Taylor  <iant@google.com>
8951
8952         * configure.ac: Check for declarations for cases where libiberty.h
8953         checks HAVE_DECL_xxx.
8954         * configure, config.in: Rebuild.
8955
8956 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8957
8958         * gold.h (Incremental_argument_list): Remove (invalid) forward
8959         declaration.
8960         * incremental.cc (Incremental_inputs::report_achive): New method.
8961         (Incremental_inputs::report_object): New method.
8962         (Incremental_inputs::report_script): New method.
8963         (Incremental_inputs::finalize_inputs): New method.
8964         (Incremental_inputs::finalize): Call finalize_inputs().
8965         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8966         Create inputs entries.
8967         * incremental.h (Incremental_input_type): New enum.
8968         (Incremental_inputs::Incremental_input): Initialize new fields.
8969         (Incremental_inputs::report_inputs): New method.
8970         (Incremental_inputs::report_achive): New method.
8971         (Incremental_inputs::report_object): New method.
8972         (Incremental_inputs::report_script): New method.
8973         (Incremental_inputs::finalize_inputs): New method.
8974         (Incremental_inputs::Input_info): New struct.
8975         (Incremental_inputs::Input_info_map): New typedef.
8976         (Incremental_inputs::lock_): New field.
8977         (Incremental_inputs::Inputs_): New field.
8978         (Incremental_inputs::Inputs_map): New field.
8979         * main.cc (main): Call Incremental_input::report_inputs.
8980         * options.h (Input_argument_list): Typedef moved from
8981         Input_arguments.
8982         (Input_file_group::Files): Remove, use ::Input_argument_list.
8983         (Input_file_group::Input_argument_list): Remove, use
8984         ::Input_argument_list.
8985         * plugin.cc (Plugin_manager::add_input_file): Add error in
8986         incremental build.
8987         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8988         functions.
8989         * script.cc (read_input_script): Call
8990         Incremental_input::report_script.
8991         * script.h (Script_info): New class.
8992
8993 2009-04-27  Ian Lance Taylor  <iant@google.com>
8994
8995         * x86_64.cc (do_adjust_output_section): Set entsize to
8996         plt_entry_size.
8997
8998 2009-04-23  Elliott Hughes  <enh@google.com>
8999
9000         * output.cc (Output_file::close): After short writes, continue
9001         writing from the correct offset in the buffer being written.
9002
9003 2009-04-23  Chris Demetriou  <cgd@google.com>
9004
9005         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9006         * configure: Regenerate.
9007         * config.in: Regenerate.
9008         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9009         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9010
9011 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9012
9013         * incremental.cc (Incremental_inputs_header_data): Renamed from
9014         Incremental_input_header_data.
9015         (Incremental_inputs_header_data::data_size): New field.
9016         (Incremental_inputs_header_data::put_input_file_count): Renamed
9017         from input_file_count.
9018         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9019         from command_line_offset.
9020         (Incremental_inputs_header_data::put_reserved): Renamed from
9021         put_reserved.
9022         (Incremental_inputs_entry_data): Renamed from
9023         Incremental_input_entry_data.
9024         (Incremental_inputs_entry_data::data_size): New field.
9025         (Incremental_inputs::report_command_line): New method.
9026         (Incremental_inputs::finalize): New method.
9027         (Incremental_inputs::create_incremental_inputs_data): New method.
9028         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9029         * incremental.h: New file.
9030         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9031        (Layout::finalize): Create incremental inputs section in
9032         incremental builds.
9033        (Layout::create_incremental_info_sections): New method.
9034         * layout.h (Layout::incremental_inputs): New method.
9035        (Layout::create_incremental_info_sections): New method.
9036        (Layout::incremental_inputs_): New field.
9037         * main.cc (main): Notify Incremental_input of the command line.
9038
9039 2009-04-01  Ian Lance Taylor  <iant@google.com>
9040             Mikolaj Zalewski  <mikolajz@google.com>
9041
9042         * gold.h (reserve_unordered_map): Define, three versions, one for
9043         each version of Unordered_map.
9044         * layout.cc (Layout::Layout): Remove options parameter.  Add
9045         number_of_input_files parameter.  Don't initialize options_.
9046         Initialize number_of_input_files_ and resized_signatures_.  Move
9047         sections_are_attached_.
9048         (Layout::layout_group): Reserve space for group_signatures_.
9049         (Layout::find_or_add_kept_section): Change name parameter to be a
9050         reference.  Resize signatures_ map when it gets large enough.
9051         (Layout::layout_eh_frame): Use parameters->options() instead of
9052         this->options_.
9053         (Layout::make_output_section): Likewise.
9054         (Layout::attach_allocated_section_to_segment): Likewise.
9055         (Layout::finalize, Layout::create_executable_stack): Likewise.
9056         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9057         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9058         * layout.h (class Layout): Update declarations.  Remove options_
9059         field.  Add number_of_input_files_ and resized_signatures_
9060         fields.  Move sections_are_attached_ field.
9061         * main.cc (main): Pass number of input files to Layout
9062         constructor.  Don't pass options.
9063
9064 2009-03-30  Ian Lance Taylor  <iant@google.com>
9065
9066         * ffsll.c (ffsll): Correct implementation.
9067
9068 2009-03-27  Ian Lance Taylor  <iant@google.com>
9069
9070         * ffsll.c: New file.
9071         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9072         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9073         * ftruncate.c (ftruncate): Declare before definition.
9074         * mremap.c (mremap): Likewise.
9075         * pread.c (pread): Likewise.
9076         * configure, Makefile.in, config.in: Rebuild.
9077
9078         * mremap.c: New file.
9079         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9080         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9081         (mremap): Declare if HAVE_MREMAP is not defined.
9082         * configure, Makefile.in, config.in: Rebuild.
9083
9084 2009-03-27  Cary Coutant  <ccoutant@google.com>
9085
9086         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9087         position independent.
9088         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9089         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9090
9091 2009-03-24  Cary Coutant  <ccoutant@google.com>
9092
9093         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9094         an executable.
9095         (needs_dynamic_reloc): Likewise.
9096
9097 2009-03-24  Ian Lance Taylor  <iant@google.com>
9098
9099         * yyscript.y (file_cmd): Recognize EXTERN.
9100         (extern_name_list, extern_name_list_body): New nonterminals.
9101         * script.cc (script_add_extern): Define.
9102         * script-c.h (script_add_extern): Declare.
9103
9104 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9105
9106         * object.cc (is_elf_object): Define.
9107         * object.h (is_elf_object): Declare.
9108         * archive.cc (Archive::get_elf_object_for_member): Call
9109         is_elf_object.
9110         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9111
9112 2009-03-24  Elliott Hughes  <enh@google.com>
9113
9114         * output.cc (Output_file::map_anonymous): Define.
9115         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9116         try an anonymous one.  Report the size if the mmap fails.
9117         * output.h (class Output_file): Declare map_anonymous.
9118
9119 2009-03-24  Ian Lance Taylor  <iant@google.com>
9120
9121         * target-select.cc (instantiate_target): Don't acquire the lock if
9122         the instantiated_target_ field has already been set.
9123
9124 2009-03-23  Ian Lance Taylor  <iant@google.com>
9125
9126         * gold-threads.h (class Initialize_lock): Define.
9127         * gold-threads.cc (class Initialize_lock_once): Define.
9128         (initialize_lock_control): New static variable.
9129         (initialize_lock_pointer): New static variable.
9130         (initialize_lock_once): New static function.
9131         (Initialize_lock::Initialize_lock): Define.
9132         (Initialize_lock::initialize): Define.
9133         * target-select.h: Include "gold-threads.h".
9134         (class Target_selector): Add lock_ and initialize_lock_ fields.
9135         Don't define instantiate_target, just declare it.
9136         * target-select.cc (Target_selector::Target_selector): Initialize
9137         new fields.
9138         (Target_selector::instantiate_target): Define.
9139         * descriptors.h: Include "gold-threads.h".
9140         (class Descriptors): Add initialize_lock_ field.
9141         * descriptors.cc (Descriptors::Descriptors): Initialize new
9142         field.
9143         (Descriptors::open): Use initialize_lock_ field
9144         * errors.h (class Errors): Add initialize_lock_ field.
9145         * errors.cc (Errors::Errors): Initialize new field.
9146         (Errors::initialize_lock): Use initialize_lock_ field.
9147         * powerpc.cc (class Target_selector_powerpc): Remove
9148         instantiated_target_ field.  In do_recognize call
9149         instantiate_target rather than do_instantiate_target.  In
9150         do_instantiate_target just allocate a new target.
9151         * sparc.cc (class Target_selector_sparc): Likewise.
9152
9153         * freebsd.h: New file.
9154         * i386.cc: Include "freebsd.h".
9155         (Target_i386): Derive from Target_freebsd rather than
9156         Sized_target.
9157         (Target_selector_i386): Derive from Target_selector_freebsd rather
9158         than Target_selector.
9159         * x86_64.cc: Include "freebsd.h".
9160         (Target_x86_64): Derive from Target_freebsd rather than
9161         Sized_target.
9162         (Target_selector_x86_64): Derive from Target_selector_freebsd
9163         rather than Target_selector.
9164         * target.h (class Target): Add adjust_elf_header and
9165         do_adjust_elf_header.
9166         * output.cc (Output_file_header:: do_sized_write): Call target
9167         adjust_elf_header routine.
9168         * configure.tgt: Set targ_osabi.
9169         * configure.ac: Define GOLD_DEFAULT_OSABI.
9170         * parameters.cc (Parameters::default_target): Pass
9171         GOLD_DEFAULT_OSABI to select_target.
9172         * target-select.h (class Target_selector): Make instantiate_target
9173         protected rather than private.
9174         * Makefile.am (HFILES): Add freebsd.h.
9175         * configure, Makefile.in, config.in: Rebuild.
9176
9177         * merge.cc (do_add_input_section): Correct pend value.  Change
9178         message about last entry not being null terminated from error to
9179         warning.
9180
9181 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9182
9183         * incremental.cc: New file.
9184         * Makefile.am (CCFILES): Add incremental.cc.
9185         * Makefile.in: Rebuild.
9186
9187 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9188
9189         * layout.cc (Layout::output_section_name): Preserve names
9190         of '.note.' sections.
9191
9192 2009-03-19  Ian Lance Taylor  <iant@google.com>
9193
9194         * descriptors.cc (Descriptors::open): Check that the options are
9195         valid before using them.
9196
9197 2009-03-18  Ian Lance Taylor  <iant@google.com>
9198
9199         * script-sections.h: Include <list>.
9200         (class Script_sections): Change Sections_elements from std::vector
9201         to std::list.  Typedef public Elements_iterator.  Add
9202         orphan_section_placement_, data_segment_align_start_, and
9203         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9204         field.
9205         * script-sections.cc (class Orphan_section_placement): New class.
9206         (class Sections_element): Add virtual functions is_relro and
9207         orphan_section_init.  Remove virtual function place_orphan_here.
9208         (class Output_section_definition): Add is_relro and
9209         orphan_section_init.  Remove place_orphan_here.
9210         (class Orphan_output_section): Likewise.
9211         (Script_sections::Script_sections): Update for field changes.
9212         (Script_sections::data_segment_align): Set saw_data_segment_align_
9213         and data_segment_align_start_, not data_segment_align_index.
9214         (Script_sections::data_segment_relro_end): Check
9215         saw_data_segment_align_.  Use data_segment_align_start_ rather
9216         than data_segment_align_index_.
9217         (Script_sections::place_orphan): Rewrite to use
9218         Orphan_section_placement.
9219
9220 2009-03-17  Ian Lance Taylor  <iant@google.com>
9221
9222         * archive.cc (Archive::add_symbols): Check for a version attached
9223         to the symbol name in the archive map.
9224         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9225         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9226         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9227         (ver_test_11.a): New target.
9228         * testsuite/Makefile.in: Rebuild.
9229
9230         * configure.ac: Check for chsize and posix_fallocate.  Replace
9231         ftruncate.
9232         * ftruncate.c: New file, from gnulib.
9233         * output.cc (posix_fallocate): Define dummy version if not
9234         HAVE_POSIX_FALLOCATE.
9235         (Output_file::map): Call posix_fallocate rather than lseek and
9236         write.
9237         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9238         * configure, Makefile.in, config.in: Rebuild.
9239
9240 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9241
9242         * layout.h (Layout::create_note): Add section_name parameter.
9243         * layout.cc (Layout::create_note): Likewise.
9244         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9245
9246 2009-03-17  Ian Lance Taylor  <iant@google.com>
9247
9248         * descriptors.cc: Include "options.h".
9249         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9250         (Descriptors::open): Always use O_CLOEXEC when opening a new
9251         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9252         then set FD_CLOEXEC.
9253
9254         * sparc.cc (class Target_sparc): Add has_got_section.
9255         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9256         make sure we have a GOT section.
9257
9258         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9259         (Target_sparc::Scan::local): Likewise.
9260         (Target_sparc::Scan::global): Likewise.
9261         (Target_sparc::Relocate::relocate): Likewise.
9262         (Target_sparc::Relocate::relocate_tls): Likewise.
9263
9264         * symtab.cc (Symbol_table::define_default_version): New function,
9265         broken out of add_from_object.
9266         (Symbol_table::add_from_object): Call define_default_version.
9267         (Symbol_table::define_special_symbol): Add resolve_oldsym
9268         parameter.  Change all callers.  If the version for a symbol comes
9269         from a version script, resolve it with the symbol with the same
9270         name with no version.  Also add the symbol without a version if
9271         appropriate.
9272         (do_define_in_output_data): If resolving with oldsym, don't delete
9273         sym.
9274         (do_define_in_output_segment): Likewise.
9275         (do_define_as_constant): Likewise.
9276         * symtab.h (class Symbol_table): Update declarations.
9277
9278 2009-03-13  Ian Lance Taylor  <iant@google.com>
9279
9280         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9281         (Read_symbols::requeue): New function.
9282         (Read_symbols::do_read_symbols): If make_elf_object fails because
9283         the target type is not configured, and the file was searched for,
9284         issue a warning and retry with the next directory.
9285         (Add_symbols::run): If the file has an incompatible format, and
9286         it was searched for, requeue the Read_symbols task.  On error,
9287         release the object.
9288         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9289         dirindex parameter to constructor.  Change all callers.  Declare
9290         incompatible_warning and requeue.
9291         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9292         input_argument_ and input_group_ fields.  Add them to
9293         constructor.  Change all callers.
9294         (class Read_script): Add dirindex_ field.  Add it to constructor.
9295         Change all callers.
9296         * archive.cc (Archive::setup): Remove input_objects parameter.
9297         Change all callers.
9298         (Archive::get_file_and_offset): Likewise.
9299         (Archive::read_all_symbols): Likewise.
9300         (Archive::read_symbols): Likewise.
9301         (Archive::get_elf_object_for_member): Remove input_objects
9302         parameter.  Add punconfigured parameter.  Change all callers.
9303         (Archive::add_symbols): Change return type to bool.  Check return
9304         value of include_member.
9305         (Archive::include_all_members): Likewise.
9306         (Archive::include_member): Change return type to bool.  Return
9307         false if first included object has incompatible target.  Set
9308         included_member_ field.
9309         (Add_archive_symbols::run): If add_symbols returns false, requeue
9310         Read_symbols task.
9311         * archive.h (class Archive): Add included_member_ field.
9312         Initialize it in constructor.  Add input_file and searched_for
9313         methods.  Update declarations.
9314         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9315         input_argument_ fields.  Add them to constructor.  Change all
9316         callers.
9317         * script.cc: Include "target-select.h".
9318         (class Parser_closure): Add skip_on_incompatible_target_ and
9319         found_incompatible_target_ fields.  Add
9320         skip_on_incompatible_target parameter to constructor.  Change all
9321         callers.  Add methods skip_on_incompatible_target,
9322         clear_skip_on_incompatible_target, found_incompatible_target, and
9323         set_found_incompatible_target.
9324         (read_input_script): Add dirindex parameter.  Change all callers.
9325         If parser finds an incompatible target, requeue Read_symbols
9326         task.
9327         (script_set_symbol): Clear skip_on_incompatible_target in
9328         closure.
9329         (script_add_assertion, script_parse_option): Likewise.
9330         (script_start_sections, script_add_phdr): Likewise.
9331         (script_check_output_format): New function.
9332         * script.h (read_input_script): Update declaration.
9333         * script-c.h (script_check_output_format): Declare.
9334         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9335         (ignore_cmd): Remove OUTPUT_FORMAT.
9336         * fileread.cc (Input_file::Input_file): Add explicit this.
9337         (Input_file::will_search_for): New function.
9338         (Input_file::open): Add pindex parameter.  Change all callers.
9339         * fileread.h (class Input_file): Add input_file_argument method.
9340         Declare will_search_for.  Update declarations.
9341         * object.cc (make_elf_object): Add punconfigured parameter.
9342         Change all callers.
9343         * object.h (class Object): Make input_file public.  Add
9344         searched_for method.
9345         (make_elf_object): Update declaration.
9346         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9347         restart search.
9348         * dirsearch.h (class Dirsearch): Update declaration.
9349         * options.h (class General_options): Add --warn-search-mismatch.
9350         * parameters.cc (Parameters::is_compatible_target): New function.
9351         * parameters.h (class Parameters): Declare is_compatible_target.
9352         * workqueue.cc (Workqueue::add_blocker): New function.
9353         * workqueue.h (class Workqueue): Declare add_blocker.
9354
9355         * fileread.cc (Input_file::open): Remove options parameter.
9356         Change all callers.
9357         (Input_file::open_binary): Likewise.
9358         * script.cc (read_input_script): Likewise.
9359         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9360         options parameter from constructor.  Change all callers.
9361         (class Read_script): Likewise.
9362         * fileread.h (class Input_file): Update declarations.
9363         * script.h (read_input_script): Update declaration.
9364
9365 2009-03-10  Nick Clifton  <nickc@redhat.com>
9366
9367         * po/es.po: New Spanish translation.
9368
9369 2009-03-06  Cary Coutant  <ccoutant@google.com>
9370
9371         * options.cc (parse_short_option): Keep dash_z from registering itself.
9372
9373 2009-03-03  Ian Lance Taylor  <iant@google.com>
9374
9375         PR 9918
9376         * target-reloc.h (relocate_section): Pass output_section to
9377         relocate.
9378         * i386.cc (Target_i386::should_apply_static_reloc): Add
9379         output_section parameter.  Change all callers.
9380         (Target_i386::Relocate::relocate): Add output_section parameter.
9381         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9382         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9383         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9384         * testsuite/two_file_shared.sh: New script.
9385         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9386         (check_DATA): Add two_file_shared.dbg.
9387         (two_file_shared.dbg): New target.
9388         * testsuite/Makefile.in: Rebuild.
9389
9390 2009-03-01  Ian Lance Taylor  <iant@google.com>
9391
9392         * configure.ac: Check for byteswap.h.
9393         * configure: Rebuild.
9394         * config.in: Rebuild.
9395
9396 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9397
9398         * layout.cc (Layout::find_or_add_kept_section): New function.
9399         (Layout::add_comdat): Removed.
9400         * layout.h (struct Kept_section): Move out of class Layout.
9401         Remove trailing underscores from field names.  Add group_sections
9402         field.  Rename group_ field to is_group.  Change all uses.
9403         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9404         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9405         comdat_groups_ field.
9406         (Sized_relobj::include_section_group): Use
9407         find_or_add_kept_section and Kept_section::group_sections.
9408         (Sized_relobj::include_linkonce_section): Likewise.
9409         * object.cc (class Sized_relobj): Don't define Comdat_group or
9410         Comdat_group_table.  Remove find_comdat_group and
9411         add_comdat_group.  Remove comdat_groups_ field.
9412         * plugin.cc (include_comdat_group): Use
9413         Layout::find_or_add_kept_section.
9414
9415 2009-02-28  Ian Lance Taylor  <iant@google.com>
9416
9417         * README: --gc-sections and map files are now supported.  Document
9418         some build requirements.
9419
9420         PR 6992
9421         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9422         relocatable link set the value of the section symbol to zero.
9423         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9424         relocatable link don't include the section address in the local
9425         symbol value.
9426
9427 2009-02-27  Ian Lance Taylor  <iant@google.com>
9428
9429         PR 6811
9430         * options.h (class Search_directory): Add is_system_directory.
9431         (class General_options): Declare is_in_system_directory.
9432         * options.cc (get_relative_sysroot): Make static.
9433         (get_default_sysroot): Make static.
9434         (General_optoins::is_in_system_directory): New function.
9435         * fileread.cc (Input_file::is_in_system_directory): New function.
9436         * fileread.h (class Input_file): Declare is_in_system_directory.
9437         * object.h (class Object): Add is_in_system_directory.
9438         (class Input_objects): Remove system_library_directory_ field.
9439         * object.cc (Input_objects::add_object): Don't set
9440         system_library_directory_.
9441         (input_objects::found_in_system_library_directory): Remove.
9442         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9443         parameter.  Change all callers.
9444         (Symbol_table::sized_write_globals): Likewise.
9445         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9446         Call Object::is_in_system_directory.
9447         * symtab.h (class Symbol_table): Update declarations.
9448
9449         PR 5990
9450         * descriptors.h (Open_descriptor): Add is_on_stack field.
9451         * descriptors.cc (Descriptors::open): If the descriptor is on the
9452         top of the stack, remove it.  Initialize is_on_stack field.
9453         (Descriptors::release): Only add pod to stack if it is not on the
9454         stack already.
9455         (Descriptors::close_some_descriptor): Clear stack_next and
9456         is_on_stack fields.
9457
9458         PR 7091
9459         * output.cc (Output_section::find_starting_output_address): Rename
9460         from starting_output_address; add PADDR parameter; change return
9461         type.
9462         * output.h (class Output_section): Declare
9463         find_starting_output_address instead of starting_output_address.
9464         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9465         section symbol for which we can't find a merge section.
9466
9467         PR 9836
9468         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9469         hidden or internal, force the symbol to be local.
9470         * resolve.cc (Symbol::override_visibility): Define.
9471         (Symbol::override_base): Use override_visibility.
9472         (Symbol_table::resolve): Likewise.
9473         (Symbol::override_base_with_special): Likewise.
9474         (Symbol_table::override_with_special): If the visibility is hidden
9475         or internal, force the symbol to be local.
9476         * symtab.h (class Symbol): Add set_visibility and
9477         override_visibility.
9478         * testsuite/ver_test_1.sh: New file.
9479         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9480         (check_DATA): Add ver_test_1.syms.
9481         (ver_test_1.syms): New target.
9482         * testsuite/Makefile.in: Rebuild.
9483
9484 2009-02-25  Cary Coutant  <ccoutant@google.com>
9485
9486         * layout.cc (Layout::choose_output_section): Don't rename sections
9487         when using a linker script that has a SECTIONS clause.
9488         * Makefile.in: Regenerate.
9489
9490         * testsuite/Makefile.am (script_test_5.sh): New test case.
9491         * testsuite/Makefile.in: Regenerate.
9492         * testsuite/script_test_5.cc: New file.
9493         * testsuite/script_test_5.sh: New file.
9494         * testsuite/script_test_5.t: New file.
9495
9496 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9497
9498         * archive.cc (Archive::include_member): Update calls to add_symbols.
9499         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9500         the Layout argument.
9501         * dynobj.h (do_add_symbols): Add the Layout argument.
9502         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9503         Layout argument.
9504         * object.h (Object::add_symbols): Add the Layout argument.
9505         (Object::do_add_symbols): Add the Layout argument.
9506         (Sized_relobj::do_add_symbols): Add the Layout argument.
9507         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9508         Unify the two versions.
9509         (Add_plugin_symbols): Remove.
9510         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9511         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9512         (Add_plugin_symbols): Remove.
9513         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9514         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9515         (Add_symbols::run): Make it work with Pulginobj.
9516
9517 2009-02-06  Ian Lance Taylor  <iant@google.com>
9518
9519         * object.cc (Sized_relobj::do_layout): Make info message start
9520         with lower case letter.
9521
9522 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9523
9524         * binary.cc: Fix file comment.
9525
9526         * options.h (enum Incremental_disposition): Define.
9527         (class General_options): Add new options: --incremental,
9528         --incremental_changed, --incremental_unchanged,
9529         --incremental_unknown.  Add incremental_disposition_ and
9530         implicit_incremental_ fields.
9531         (General_options::incremental_disposition): New function.
9532         (class Position_dependent_options): Add incremental_disposition
9533         option.
9534         (Position_dependent_options::copy_from_options): Set incremental
9535         dispositions.
9536         * options.cc (General_options::parse_incremental_changed): New
9537         function.
9538         (General_options::parse_incremental_unchanged): New function.
9539         (General_options::parse_incremental_unknown): New function.
9540         (General_options::General_options): Initialize new fields
9541         incremental_disposition_ and implicit_incremental_.
9542         (General_options::finalize): Check for uasge of --incremental-*
9543         without --incremental.
9544
9545 2009-02-06  Chris Demetriou  <cgd@google.com>
9546
9547         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9548         pointer and to report location as the file name associated with
9549         the symbol.
9550         (gold_undefined_symbol_at_location): New function to replace the
9551         old gold_undefined_symbol functionality.
9552         * target-reloc.h (relocate_section): Update to use
9553         gold_undefined_symbol_at_location.
9554         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9555         Call gold_undefined_symbol function rather than gold_error.
9556         * errors.h (Errors::undefined_symbol): Take location as a
9557         string, rather than calculating it from a relocation.
9558         * errors.cc (Errors::fatal): Print "fatal error:" before the
9559         formatted message.
9560         (Errors::error, Errors::error_at_location): Print "error: "
9561         before the formatted message.
9562         (Errors::undefined_symbol): Take location as a string, rather
9563         than calculating it from a relocation.
9564         (gold_undefined_symbol_at_location): New function akin to
9565         old gold_undefined_symbol, calculates location from relocation.
9566         (gold_undefined_symbol): Change to take only a Symbol pointer
9567         and to report location as the file name associated with the symbol.
9568         * testsuite/debug_msg.sh: Update for changed error messages.
9569         * testsuite/undef_symbol.sh: Likewise.
9570
9571 2009-02-04  Duncan Sands  <baldrick@free.fr>
9572
9573         PR 9812
9574         * reduced_debug_output.h
9575         (Output_reduced_debug_abbrev_section::failed): Use format for
9576         gold_warning.
9577         (Output_reduced_debug_info_section::faild): Likewise.
9578
9579 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9580
9581         * script.cc (Lazy_demangler): New class.
9582         (Version_script_info::get_symbol_version_helper): Demangle a
9583         symbol only once.
9584
9585 2009-01-29  Cary Coutant  <ccoutant@google.com>
9586
9587         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9588         to __tls_get_addr.
9589         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9590
9591 2009-01-28  Ian Lance Taylor  <iant@google.com>
9592
9593         * version.cc (version_string): Bump to 1.9.
9594
9595         * gold.h: Include <cstring> and <stdint.h>.
9596         * version.cc: Include <cstdio>.
9597         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9598         warning.
9599         * reduced_debug_output.cc (insert_into_vector): Rename from
9600         Insert_into_vector; change all callers.  Use Swap_unaligned to
9601         avoid aliasing issue; remove union since it is unnecessary.
9602
9603 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9604
9605         * Makefile.am (CCFILES): Add gc.cc.
9606         (HFILES): Add gc.h.
9607         * Makefile.in: Regenerate.
9608         * gold.cc (Gc_runner): New class.
9609         (queue_initial_tasks): Call garbage collection related tasks
9610         when corresponding options are invoked.
9611         (queue_middle_gc_tasks): New function.
9612         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9613         processed early before laying out sections during garbage collection.
9614         * gold.h (queue_middle_gc_tasks): New function.
9615         (is_prefix_of): Move from "layout.cc".
9616         * i386.cc (Target_i386::gc_process_relocs): New function.
9617         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9618         * main.cc (main): Create object of class "Garbage_collection".
9619         * object.cc (Relobj::copy_symbols_data): New function.
9620         (Relobj::is_section_name_included): New function.
9621         (Sized_relobj::do_layout): Allow this function to be called twice
9622         during garbage collection and defer layout of section during the
9623         first call.
9624         * object.h (Relobj::get_symbols_data): New function.
9625         (Relobj::is_section_name_included): New function.
9626         (Relobj::copy_symbols_data): New function.
9627         (Relobj::set_symbols_data): New function.
9628         (Relobj::get_relocs_data): New function.
9629         (Relobj::set_relocs_data): New function.
9630         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9631         (Relobj::gc_process_relocs): New function.
9632         (Relobj::do_gc_process_relocs): New pure virtual function.
9633         (Relobj::sd_): New data member.
9634         (Sized_relobj::is_output_section_offset_invalid): New function.
9635         (Sized_relobj::do_gc_process_relocs): New function.
9636         * options.h (General_options::gc_sections): Modify to not be a no-op.
9637         (General_options::print_gc_sections): New option.
9638         * plugin.cc (Plugin_finish::run): Remove function call to
9639         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9640         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9641         * reloc.cc (Read_relocs::run): Add task to process relocs and
9642         determine unreferenced sections when doing garbage collection.
9643         (Gc_process_relocs): New class.
9644         (Sized_relobj::do_gc_process_relocs): New function.
9645         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9646         sections that are garbage collected.
9647         * reloc.h (Gc_process_relocs): New class.
9648         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9649         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9650         symbols whose corresponding sections are garbage collected.
9651         (Symbol_table::Symbol_table): Add new parameter for the garbage
9652         collection object.
9653         (Symbol_table::gc_mark_undef_symbols): New function.
9654         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9655         (Symbol_table::gc_mark_dyn_syms): New function.
9656         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9657         as garbage.
9658         (Symbol_table::add_from_object): Likewise.
9659         (Symbol_table::add_from_relobj): When building shared objects, do not
9660         treat externally visible symbols as garbage.
9661         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9662         table information for static and relocatable links.
9663         * symtab.h (Symbol_table::set_gc): New function.
9664         (Symbol_table::gc): New function.
9665         (Symbol_table::gc_mark_undef_symbols): New function.
9666         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9667         (Symbol_table::gc_mark_dyn_syms): New function.
9668         (Symbol_table::gc_): New data member.
9669         * target.h (Sized_target::gc_process_relocs): New pure virtual
9670         function.
9671         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9672         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9673
9674 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9675
9676         * options.h (General_options::gc_sections): Define as a no-op for now.
9677         (General_options::no_keep_memory): Ditto.
9678         (General_options::Bshareable): Define.
9679         * options.cc (General_options::finalize): Honor -Bshareable.
9680
9681 2009-01-20  Andreas Schwab  <schwab@suse.de>
9682
9683         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9684         read the value in the contents, since we don't use it.  Use the
9685         template endianness when writing.
9686         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9687
9688 2009-01-19  Andreas Schwab  <schwab@suse.de>
9689
9690         * configure.tgt (powerpc64-*): Fix targ_obj.
9691
9692 2009-01-15  Ian Lance Taylor  <iant@google.com>
9693
9694         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9695         local symbols when stripping all symbols.
9696
9697 2009-01-14  Cary Coutant  <ccoutant@google.com>
9698
9699         * output.cc (Output_reloc): Add explicit instantiations.
9700
9701 2009-01-14  Cary Coutant  <ccoutant@google.com>
9702
9703         * archive.cc (Archive::get_elf_object_for_member): Remove call
9704         to File_read::claim_for_plugin.
9705         * descriptors.cc (Descriptors::open): Remove reference to
9706         is_claimed.
9707         (Descriptors::claim_for_plugin): Remove.
9708         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9709         (Descriptors::is_claimed): Remove.
9710         (claim_descriptor_for_plugin): Remove.
9711         * fileread.cc (File_read::claim_for_plugin): Remove.
9712         * fileread.h (File_read::claim_for_plugin): Remove.
9713         (File_read::descriptor): Reopen descriptor if necessary.
9714         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9715         (Plugin_manager::all_symbols_read): Add task parameter. Change
9716         all callers.
9717         (Plugin_manager::get_input_file): New function.
9718         (Plugin_manager::release_input_file): New function.
9719         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9720         corresponding data member.
9721         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9722         and pass to base constructor. Change all callers.
9723         (get_input_file, release_input_file): New functions.
9724         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9725         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9726         (Plugin_manager::all_symbols_read): Add task parameter.
9727         (Plugin_manager::get_input_file): New function.
9728         (Plugin_manager::release_input_file): New function.
9729         (Plugin_manager::task_): New data member.
9730         (Pluginobj::Pluginobj): Add filesize parameter.
9731         (Pluginobj::filename): New function.
9732         (Pluginobj::descriptor): New function.
9733         (Pluginobj::filesize): New function.
9734         (Pluginobj::filesize_): New data member.
9735         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9736         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9737         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9738
9739         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9740         with archive libraries.
9741         * testsuite/Makefile.in: Regenerate.
9742         * testsuite/plugin_test.c (struct sym_info): New type.
9743         (get_input_file, release_input_file): New static variables.
9744         (onload): Capture new transfer vector entries.
9745         (claim_file_hook): Stop reading at end of file according to filesize.
9746         Factor out parsing of readelf output into separate function.
9747         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9748         APIs and get the source file name from the symbol table.  Convert
9749         source file name to corresponding object file name.  Print info
9750         message when adding new input files.
9751         (parse_readelf_line): New function.
9752         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9753         * testsuite/plugin_test_2.sh: Likewise.
9754         * testsuite/plugin_test_3.sh: Likewise.
9755         * testsuite/plugin_test_4.sh: New test case.
9756
9757 2009-01-07  Ian Lance Taylor  <iant@google.com>
9758
9759         * version.cc (version_string): Bump to 1.8.
9760
9761 2008-12-23  Cary Coutant  <ccoutant@google.com>
9762
9763         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9764         * plugin.cc (Plugin_manager::finish): Rename as
9765         layout_deferred_objects.  Move cleanup to separate function.
9766         (Plugin_manager::cleanup): New function.
9767         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9768         separately.
9769         * plugin.h (Plugin_manager::finish): Rename as
9770         layout_deferred_objects.
9771         (Plugin_manager::cleanup): New function.
9772         (Plugin_manager::cleanup_done): New field.
9773
9774 2008-12-23  Cary Coutant  <ccoutant@google.com>
9775
9776         * plugin.cc (is_visible_from_outside): New function.
9777         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9778         so we don't return "IR only" status for exported symbols or -r links.
9779
9780         * testsuite/Makefile.am (plugin_test_3): New test case.
9781         * testsuite/Makefile.in: Regenerate.
9782         * testsuite/plugin_test_3.sh: New file.
9783
9784 2008-12-22  Cary Coutant  <ccoutant@google.com>
9785
9786         * object.cc (Sized_relobj::layout_section): New function.
9787         (Sized_relobj::do_layout): Defer layout of input sections until after
9788         plugin has provided replacement files.
9789         (Sized_relobj::do_layout_deferred_sections): New function.
9790         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9791         (Relobj::layout_deferred_sections): New function.
9792         (Relobj::do_layout_deferred_sections): New function.
9793         (Sized_relobj::do_layout_deferred_sections): New function.
9794         (Sized_relobj::layout_section): New function.
9795         (Sized_relobj::Deferred_layout): New structure.
9796         (Sized_relobj::deferred_layout_): New field.
9797         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9798         Change all callers.  Layout deferred sections.
9799         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9800         references.
9801         (Plugin_hook::run): Move code from do_plugin_hook inline.
9802         (Plugin_hook::do_plugin_hook): Remove.
9803         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9804         (Plugin_manager::finish): Renamed, was cleanup.
9805         (Plugin_manager::should_defer_layout): New function.
9806         (Plugin_manager::add_deferred_layout_object): New function.
9807         (Plugin_manager::Deferred_layout_list): New type.
9808         (Plugin_manager::deferred_layout_objects_): New field.
9809         (Plugin_hook::do_plugin_hook): Remove.
9810
9811 2008-12-17  Ian Lance Taylor  <iant@google.com>
9812
9813         * options.h (class General_options): Add --no case for
9814         --export-dynamic.
9815
9816 2008-12-16  Cary Coutant  <ccoutant@google.com>
9817
9818         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9819         vector.
9820         (Plugin_manager::claim_file): Create plugin object even if
9821         plugin did not call the add_symbols callback.
9822         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9823         asking for more symbols than were added.
9824         * testsuite/Makefile.am (plugin_test_1): Add test case with
9825         no global symbols.
9826         (empty.syms): New target.
9827         * testsuite/Makefile.in: Regenerate.
9828         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9829         message. Don't call add_symbols if no globals.
9830         (all_symbols_read_hook): Don't provide replacement for empty
9831         claimed file.
9832
9833 2008-12-12  Ian Lance Taylor  <iant@google.com>
9834
9835         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9836         r_type == 0 for a local symbol with r_sym == 0.
9837         (scan_relocatable_relocs): Pass r_sym to
9838         local_non_section_strategy.
9839         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9840         r_sym parameter.
9841
9842         * configure.ac: Update test for TLS descriptors: they are
9843         supported as of glibc 2.9.
9844         * configure: Rebuild.
9845
9846 2008-12-11  Ian Lance Taylor  <iant@google.com>
9847
9848         PR 7091
9849         * target-reloc.h (Default_scan_relocatable_relocs): For each
9850         function, map r_type == 0 to RELOC_DISCARD.
9851
9852 2008-12-10  Cary Coutant  <ccoutant@google.com>
9853
9854         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9855         object to override a kept COMDAT group from a plugin object.
9856
9857 2008-12-09  Ian Lance Taylor  <iant@google.com>
9858
9859         PR 7088
9860         * yyscript.y (file_cmd): Handle INPUT.
9861
9862         * testsuite/initpri1.c: Change all declarations to be full
9863         prototypes by adding void, to avoid compiler warnings.
9864
9865 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9866
9867         * options.cc (General_options::parse_plugin_opt): New.
9868         (General_options::add_plugin): The argument now is just the filename.
9869         (General_options::add_plugin_option): New.
9870         * options.h (plugin_opt): New.
9871         (add_plugin): Change argument name.
9872         (add_plugin_option): New.
9873         * plugin.cc (Plugin::load): Don't parse the plugin option.
9874         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9875         (Plugin::add_option): New.
9876         (Plugin::args_): Change type.
9877         (Plugin::filename_): New.
9878         (Plugin_manager::add_plugin_option): New.
9879         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9880         * testsuite/Makefile.in: Regenerate.
9881
9882 2008-12-05  Cary Coutant  <ccoutant@google.com>
9883
9884         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9885         Handle --strip-lto-sections option.
9886         * options.h (strip_lto_sections): New option.
9887
9888 2008-12-01  Cary Coutant  <ccoutant@google.com>
9889
9890         * plugin.cc (ld_plugin_message): Change format parameter to const.
9891         Fix mismatch between new[] and delete.
9892
9893 2008-11-14  Cary Coutant  <ccoutant@google.com>
9894
9895         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9896         instead of -1U.
9897
9898 2008-11-05  Craig Silverstein  <csilvers@google.com>
9899
9900         * options.cc (General_options::parse_dynamic_list): New function.
9901         * options.h (General_options): New flags dynamic_list,
9902         dynamic_list_data, dynamic_list_cpp_new, and
9903         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9904         (General_options::in_dynamic_list): New function.
9905         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9906         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9907         (Lex::can_continue_name): Likewise.
9908         (yylex): Likewise.
9909         (read_script_file): New parameter script_options.
9910         (read_dynamic_list): New function.
9911         (Script_options::define_dynamic_list): New function.
9912         (dynamic_list_keyword_parsecodes): New variable.
9913         (dynamic_list_keywords): New variable.
9914         * script.h (Script_options::define_dynamic_list): New function
9915         prototype.
9916         (read_dynamic_list): New function prototype.
9917         * symtab.cc (strprefix): New macro.
9918         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9919         dynamic_list_data, dynamic_list_cpp_new, and
9920         dynamic_list_cpp_typeinfo.
9921         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9922         (dynamic_list_expr): New rule.
9923         (dynamic_list_nodes): Likewise.
9924         (dynamic_list_node): Likewise.
9925         * testsuite/Makefile.am (dynamic_list): New test.
9926         * testsuite/Makefile.in: Regenerated.
9927         * testsuite/dynamic_list.t: New file.
9928         * testsuite/dynamic_list.sh: New file.
9929
9930 2008-11-05  Craig Silverstein  <csilvers@google.com>
9931
9932         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9933         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9934         (t11_last): Likewise.
9935         * testsuite/ver_test_6.c (main): Likewise.
9936
9937 2008-10-07  Cary Coutant  <ccoutant@google.com>
9938
9939         * options.c (General_options::finalize): Add check for -static and
9940         -shared.
9941         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9942         is not empty.
9943
9944 2008-10-02  Cary Coutant  <ccoutant@google.com>
9945
9946         * plugin.cc (make_sized_plugin_object): Fix conditional
9947         compilation to work when not all targets are enabled.
9948
9949 2008-09-29  Cary Coutant  <ccoutant@google.com>
9950
9951         * archive.cc (Archive::get_file_and_offset): Use filename instead
9952         of name to get library path.
9953         (Archive::include_member): Unlock external member of a thin archive.
9954
9955         * testsuite/Makefile.am (TEST_AR): New variable.
9956         (thin_archive_test_1): New test.
9957         (thin_archive_test_2): New test.
9958         * testsuite/Makefile.in: Regenerate.
9959         * testsuite/thin_archive_main.cc: New file.
9960         * testsuite/thin_archive_test_1.cc: New file.
9961         * testsuite/thin_archive_test_2.cc: New file.
9962         * testsuite/thin_archive_test_3.cc: New file.
9963         * testsuite/thin_archive_test_4.cc: New file.
9964
9965 2008-09-29  Cary Coutant  <ccoutant@google.com>
9966
9967         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9968         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9969         instead of -1U.
9970         (Sized_relobj::do_finalize_local_symbols): Likewise.
9971         (Sized_relobj::map_to_kept_section): Likewise.
9972         * object.h (Sized_relobj::invalid_address): New constant.
9973         (Sized_relobj::do_output_section_offset): Check for invalid_address
9974         and return -1ULL.
9975         * output.cc (Output_reloc::local_section_offset): Use constant
9976         invalid_address instead of -1U.
9977         (Output_reloc::get_address): Likewise.
9978         (Output_section::output_address): Change -1U to -1ULL.
9979         * output.h (Output_reloc::invalid_address): New constant.
9980         * reloc.cc (Sized_relobj::write_sections): Use constant
9981         invalid_address instead of -1U.
9982         (Sized_relobj::relocate_sections): Likewise.
9983         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9984         values for merge sections.
9985         * target-reloc.h (relocate_for_relocatable): Use constant
9986         invalid_address instead of -1U.
9987
9988 2008-09-19  Cary Coutant  <ccoutant@google.com>
9989
9990         Add plugin functionality for link-time optimization (LTO).
9991         * configure.ac (plugins): Add --enable-plugins option.
9992         * configure: Regenerate.
9993         * config.in: Regenerate.
9994         * Makefile.am (LIBDL): New variable.
9995         (CCFILES): Add plugin.cc.
9996         (HFILES): Add plugin.h.
9997         (ldadd_var): Add LIBDL.
9998         * Makefile.in: Regenerate.
9999
10000         * archive.cc: Include "plugin.h".
10001         (Archive::setup): Don't preread archive symbols when using a plugin.
10002         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10003         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10004         files.
10005         (Archive::include_member): Add symbols from plugin objects.
10006         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10007         * descriptors.cc (Descriptors::open): Check for file descriptors
10008         abandoned by plugins.
10009         (Descriptors::claim_for_plugin): New function.
10010         * descriptors.h (Descriptors::claim_for_plugin): New function.
10011         (Open_descriptor::is_claimed): New field.
10012         (claim_descriptor_for_plugin): New function.
10013         * fileread.cc (File_read::claim_for_plugin): New function.
10014         * fileread.h (File_read::claim_for_plugin): New function.
10015         (File_read::descriptor): New function.
10016         * gold.cc: Include "plugin.h".
10017         (queue_initial_tasks): Add task to call plugin hooks for generating
10018         new object files.
10019         * main.cc: Include "plugin.h".
10020         (main): Load plugin libraries.
10021         * object.h (Pluginobj): Declare.
10022         (Object::pluginobj): New function.
10023         (Object::do_pluginobj): New function.
10024         (Object::set_target): New function.
10025         * options.cc: Include "plugin.h".
10026         (General_options::parse_plugin): New function.
10027         (General_options::General_options): Initialize plugins_ field.
10028         (General_options::add_plugin): New function.
10029         * options.h (Plugin_manager): Declare.
10030         (General_options): Add --plugin option.
10031         (General_options::has_plugins): New function.
10032         (General_options::plugins): New function.
10033         (General_options::add_plugin): New function.
10034         (General_options::plugins_): New field.
10035         * plugin.cc: New file.
10036         * plugin.h: New file.
10037         * readsyms.cc: Include "plugin.h".
10038         (Read_symbols::do_read_symbols): Check for archive before checking
10039         for ELF file.  Call plugin hooks to claim files.
10040         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10041         from a real object file; force override when processing replacement
10042         files.
10043         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10044         (Symbol::init_base_object): Likewise.
10045         (Symbol::init_base_output_data): Likewise.
10046         (Symbol::init_base_output_segment): Likewise.
10047         (Symbol::init_base_constant): Likewise.
10048         (Symbol::init_base_undefined): Likewise.
10049         (Symbol::output_section): Assert that object is not a plugin.
10050         (Symbol_table::add_from_pluginobj): New function.
10051         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10052         undefined.
10053         (Symbol_table::sized_write_globals): Likewise.
10054         (Symbol_table::add_from_pluginobj): Instantiate template.
10055         * symtab.h (Sized_pluginobj): Declare.
10056         (Symbol::in_real_elf): New function.
10057         (Symbol::set_in_real_elf): New function.
10058         (Symbol::in_real_elf_): New field.
10059         (Symbol_table::add_from_pluginobj): New function.
10060
10061         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10062         (LIBDL): New variable.
10063         (LDADD): Add LIBDL.
10064         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10065         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10066         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10067         (MOSTLYCLEANFILES): Likewise.
10068         * testsuite/Makefile.in: Regenerate.
10069         * testsuite/plugin_test.c: New file.
10070         * testsuite/plugin_test_1.sh: New file.
10071         * testsuite/plugin_test_2.sh: New file.
10072
10073 2008-09-16  Ian Lance Taylor  <iant@google.com>
10074
10075         * target-reloc.h (relocate_section): Check whether a symbol is
10076         defined by the ABI before reporting an undefined symbol error.
10077         * target.h (Target::is_defined_by_abi): Make parameter const.
10078         (Target::do_is_defined_by_abi): Likewise.
10079         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10080         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10081         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10082         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10083         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10084         * testsuite/Makefile.in: Rebuild.
10085
10086         * fileread.cc (make_view): Add casts to avoid warning.
10087
10088 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10089
10090         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10091         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10092
10093 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10094
10095         * options.h (General_options::output_is_executable): New.
10096         (General_options::output_is_pie): New.
10097         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10098         for shared libraries.
10099         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10100
10101 2008-09-11  Chris Demetriou  <cgd@google.com>
10102
10103         * options.h (origin): New -z option.
10104         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10105         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10106         in DT_FLAGS_1.
10107
10108 2008-09-05  Cary Coutant  <ccoutant@google.com>
10109
10110         * fileread.cc (File_read::make_view): Add check for attempt to map
10111         beyond end of file.
10112
10113 2008-09-05  Cary Coutant  <ccoutant@google.com>
10114
10115         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10116         explicit instantiations.
10117
10118 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10119
10120         PR gold/6858
10121         * options.cc (General_options::finalize): Allow undefined symbols
10122         in shlibs if linking -shared.
10123
10124         PR gold/6859
10125         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10126         symbols as not needing a dynsym entry.
10127
10128 2008-08-20  Craig Silverstein  <csilvers@google.com>
10129
10130         * fileread.cc (File_read::open): Do not lock the file unless it
10131         was successfully opened.
10132
10133 2008-08-14  Cary Coutant  <ccoutant@google.com>
10134
10135         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10136         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10137         * testsuite/tls_test.cc (struct int128): 128-bit struct
10138         for testing TLS relocs with non-zero addend.
10139         (v12): New TLS variable.
10140         (t12): New test.
10141         (t_last): Add check for v12.
10142         * testsuite/tls_test.h (t12): New function.
10143         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10144
10145 2008-08-13  Ian Lance Taylor  <iant@google.com>
10146
10147         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10148         set tls_segment_ or relro_segment_.
10149         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10150         when appropriate.
10151         * output.h (Output_section::clear_is_relro): New function.
10152         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10153         sections specially even when output_data_ is empty.
10154         (Output_segment::maximum_alignment): When first section is relro,
10155         only force alignment for PT_LOAD segments.
10156         * script.cc (script_data_segment_align): New function.
10157         (script_data_segment_relro_end): New function.
10158         * script-c.h (script_data_segment_align): Declare.
10159         (script_data_segment_relro_end): Declare.
10160         * script-sections.h (class Script_sections): Declare
10161         data_segment_align and data_segment_relro_end.  Add fields
10162         segment_align_index_ and saw_relro_end_.
10163         * script-sections.cc (class Sections_element): Add set_is_relro
10164         virtual function.  Add new bool* parameter to place_orphan_here.
10165         Add get_output_section virtual function.
10166         (class Output_section_definition): Add set_is_relro.  Add new
10167         bool* parameter to place_orphan_here.  Add get_output_section.
10168         Add is_relro_ field.
10169         (Output_section_definition::Output_section_definition): Initialize
10170         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10171         and is_relro_ fields.
10172         (Output_section_definition::place_orphan_here): Add is_relro
10173         parameter.
10174         (Output_section_definition::set_section_addresses): Set relro for
10175         output section.
10176         (Output_section_definition::alternate_constraint): Likewise.
10177         (class Orphan_output_section): Add new bool* parameter to
10178         place_orphan_here.  Add get_output_section.
10179         (Orphan_output_section::place_orphan_here): Add is_relro
10180         parameter.
10181         (Script_sections::Script_sections): Initialize
10182         data_segment_align_index_ and saw_relro_end_.
10183         (Script_sections::data_segment_align): New function.
10184         (Script_sections::data_segment_relro_end): New function.
10185         (Script_sections::place_orphan): Set or clear is_relro.
10186         (Script_sections::set_section_addresses): Force alignment of first
10187         TLS section.
10188         * yyscript.y (exp): Call script_data_segment_align and
10189         script_data_segment_relro_end.
10190         * testsuite/relro_script_test.t: New file.
10191         * testsuite/relro_test.cc (using_script): Declare.
10192         (t1, t2): Test using_script.
10193         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10194         (relro_script_test_SOURCES): Define.
10195         (relro_script_test_DEPENDENCIES): Define.
10196         (relro_script_test_LDFLAGS): Define.
10197         (relro_script_test_LDADD): Define.
10198         (relro_script_test.so): New target.
10199         * testsuite/Makefile.in: Rebuild.
10200
10201 2008-08-06  Cary Coutant <ccoutant@google.com>
10202
10203         * archive.cc (Archive::total_archives, Archive::total_members)
10204         (Archive::total_members_loaded): New variables.
10205         (Archive::setup): Add parameter.  Add option to preread
10206         archive symbols.
10207         (Archive::read_armap): Add counter.
10208         (Archive::get_file_and_offset): New function.
10209         (Archive::get_elf_object_for_member): New function.
10210         (Archive::read_all_symbols): New function.
10211         (Archive::read_symbols): New function.
10212         (Archive::add_symbols): Add counters.
10213         (Archive::include_all_members): Use armap to find members if it's
10214         already built.
10215         (Archive::include_member): Skip reading symbols if already read.
10216         Factored code into Archive::get_file_and_offset and
10217         Archive::get_elf_object_for_member.  Changed call to
10218         Mapfile::report_include_archive_member.
10219         (Archive::print_stats): New function.
10220         * archive.h: Declare Object and Read_symbols_data classes.
10221         (Archive::Archive): Add initializers for new members.
10222         (Archive::setup): Add parameter.
10223         (Archive::print_stats): New function.
10224         (Archive::total_archives, Archive::total_members)
10225         (Archive::total_members_loaded): New variables.
10226         (Archive::get_file_and_offset): New function.
10227         (Archive::get_elf_object_for_member): New function.
10228         (Archive::read_all_symbols): New function.
10229         (Archive::read_symbols): New function.
10230         (Archive::Archive_member): New class.
10231         (Archive::members_): New member.
10232         (Archive::num_members_): New member.
10233         * main.cc: Include archive.h.
10234         (main): Call Archive::print_stats.
10235         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10236         archive parameter; member_name is now the fully-decorated name.
10237         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10238         * options.h: (General_options): Add --preread-archive-symbols option.
10239         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10240         Archive::setup.
10241
10242 2008-08-04  Ian Lance Taylor  <iant@google.com>
10243
10244         * symtab.h (Symbol::use_plt_offset): New function.
10245         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10246         * powerpc.cc (Relocate::relocate): Likewise.
10247         * sparc.cc (Relocate::relocate): Likewise.
10248         * x86_64.cc (Relocate::relocate): Likewise.
10249         * testsuite/weak_plt.sh: New test.
10250         * testsuite/weak_plt_main.cc: New test.
10251         * testsuite/weak_plt_shared.cc: New test.
10252         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10253         (check_PROGRAMS): Add weak_plt.
10254         (check_DATA): Add weak_plt_shared.so.
10255         (weak_plt_main_pic.o, weak_plt): New targets.
10256         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10257         * testsuite/Makefile.in: Rebuild.
10258
10259         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10260         gcctestdir/ld.
10261         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10262         * testsuite/Makefile.in: Rebuild.
10263
10264 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10265
10266         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10267         * Makefile.in: Regenerate.
10268         * po/POTFILES.in: Regenerate.
10269
10270 2008-07-29  Ian Lance Taylor  <iant@google.com>
10271
10272         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10273         symbols before other symbols.
10274         * testsuite/script_test_2.cc (test_addr): Declare.
10275         (test_addr_alias): Declare.
10276         (main): Check that test_addr and test_addr_alias have the right
10277         values.
10278         * testsuite/script_test_2.t: Define test_addr_alias and
10279         test_addr.
10280
10281 2008-07-24  Ian Lance Taylor  <iant@google.com>
10282
10283         PR 5990
10284         * descriptors.cc: New file.
10285         * descriptors.h: New file.
10286         * gold-threads.h (class Hold_optional_lock): New class.
10287         * fileread.cc: Include "descriptors.h".
10288         (File_read::~File_read): Release descriptor rather than closing
10289         it.
10290         (File_read::open) [file]: Call open_descriptor rather than open.
10291         Set is_descriptor_opened_.
10292         (File_read::open) [memory]: Assert that descriptor is not open.
10293         (File_read::reopen_descriptor): New function.
10294         (File_read::release): Release descriptor.
10295         (File_read::do_read): Make non-const.  Reopen descriptor.
10296         (File_read::read): Make non-const.
10297         (File_read::make_view): Reopen descriptor.
10298         (File_read::do_readv): Likewise.
10299         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10300         Update declarations.
10301         * layout.cc: Include "descriptors.h".
10302         (Layout::create_build_id): Use open_descriptor rather than open.
10303         * output.cc: Include "descriptors.h".
10304         (Output_file::open): Use open_descriptor rather than open.
10305         * archive.cc (Archive::const_iterator): Change Archive to be
10306         non-const.
10307         (Archive::begin, Archive::end): Make non-const.
10308         (Archive::count_members): Likewise.
10309         * archive.h (class Archive): Update declarations.
10310         * object.h (Object::read): Make non-const.
10311         * Makefile.am (CCFILES): Add descriptors.cc.
10312         (HFILES): Add descriptors.h.
10313         * Makefile.in: Rebuild.
10314
10315         PR 6716
10316         * gold.h: Always include <clocale>.  Add Solaris workarounds
10317         following code in binutils/sysdep.h.
10318
10319         PR 6048
10320         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10321         this->eh_frame_hdr_ is NULL before using it.
10322
10323         * dynobj.cc (Versions::Versions): Update comment.
10324
10325         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10326         the base version name.
10327
10328         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10329         array size plus one.
10330         (Stringpool_template::set_string_offsets): Subtract one from key
10331         before using it as an array index.
10332         (Stringpool_template::get_offset_with_length): Likewise.
10333         (Stringpool_template::write_to_buffer): Likewise.
10334         * stringpool.h (Stringpool_template::get_offset_from_key):
10335         Likewise.
10336
10337 2008-07-23  Ian Lance Taylor  <iant@google.com>
10338
10339         PR 6658
10340         * object.h (Merged_symbol_value::value): Do our best to handle a
10341         negative addend.
10342
10343         PR 6647
10344         * script.cc (Version_script_info::get_versions): Don't add empty
10345         version tag to return value.
10346         (Version_script_info::get_symbol_version_helper): Change return
10347         type to bool.  Add pversion parameter.  Change all callers.
10348         (script_register_vers_node): Don't require a non-NULL tag.
10349         * script.h (class Version_script_info): Update declarations.
10350         (Version_script_info::get_symbol_version): Change return type to
10351         bool.  Add version parameter.  Change all callers.
10352         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10353         handling.  Handle an empty version from a version script.
10354         (Symbol_table::define_special_symbol): Likewise.
10355         * testsuite/ver_test_10.script: New file.
10356         * testsuite/ver_test_10.sh: New file.
10357         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10358         (check_DATA): Add ver_test_10.syms.
10359         (ver_test_10.syms, ver_test_10.so): New target.
10360         * testsuite/Makefile.in: Rebuild.
10361
10362 2008-07-23  Simon Baldwin  <simonb@google.com>
10363
10364         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10365         to zero for undefined symbols from dynamic libraries.
10366
10367 2008-07-23  Ian Lance Taylor  <iant@google.com>
10368
10369         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10370         Change all callers.
10371         * symtab.h (class Symbol_table): Update declaration.
10372         * testsuite/ver_test_9.cc: New file.
10373         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10374         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10375         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10376         (ver_test_9.so, ver_test_9.o): New targets.
10377         * testsuite/Makefile.in: Rebuild.
10378
10379 2008-07-22  Ian Lance Taylor  <iant@google.com>
10380
10381         * options.h (class General_options): Define --check-sections.
10382         * layout.cc (Layout::set_segment_offsets): Handle
10383         --check-sections.
10384
10385         * options.h (class General_options): Define -n/--nmagic and
10386         -N/--omagic.
10387         * options.cc (General_options::finalize): For -n/--nmagic or
10388         -N/--omagic, set -static.
10389         * layout.cc (Layout::attach_allocated_section_to_segment): If
10390         -N/--omagic, don't put read-only and read-write sections in
10391         different segments.
10392         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10393         finding a read-only segment.
10394         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10395         don't set the minimum segment alignment to the common page size,
10396         and don't set the file offset to the address modulo the page size.
10397         * script-sections.cc (Script_sections::create_segments): If
10398         -n/--omagic, don't put read-only and read-write sections in
10399         different segments.
10400
10401         * cref.cc: New file.
10402         * cref.h: New file.
10403         * options.h (class General_options): Add --print-symbol-counts.
10404         * main.cc (main): Issue defined symbol report if requested.
10405         * archive.cc (Archive::interpret_header): Make into a const member
10406         function.
10407         (Archive::add_symbols): Call Input_objects::archive_start and
10408         archive_stop.
10409         (Archive::const_iterator): Define new class.
10410         (Archive::begin, Archive::end): New functions.
10411         (Archive::include_all_members): Rewrite to use iterator.
10412         (Archive::count_members): New function.
10413         * archive.h (class Archive): Update declarations.
10414         (Archive::filename): New function.
10415         * object.cc: Include "cref.h".
10416         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10417         (Sized_relobj::do_get_global_symbol_counts): New function.
10418         (Input_objects::add_object): Add object to cross-referencer.
10419         (Input_objects::archive_start): New function.
10420         (Input_objects::archive_stop): New function.
10421         (Input_objects::print_symbol_counts): New function.
10422         * object.h: Declare Cref and Archive.
10423         (Object::get_global_symbol_counts): New function.
10424         (Object::do_get_global_symbol_counts): New pure virtual function.
10425         (class Sized_relobj): Add defined_count_ field.  Update
10426         declarations.
10427         (class Input_objects): Add cref_ field.  Update constructor.
10428         Update declarations.
10429         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10430         defined_count_.
10431         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10432         symbol counts.
10433         (Sized_dynobj::do_get_global_symbol_counts): New function.
10434         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10435         defined_count_.  Update declarations.  Define Symbols typedef.
10436         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10437         parameter.  Change all callers.
10438         (Symbol_table::add_from_dynobj): Add sympointers and defined
10439         parameters.  Change all callers.
10440         * symtab.h (class Symbol_table): Update declarations.
10441         * Makefile.am (CCFILES): Add cref.cc.
10442         (HFILES): Add cref.h.
10443         * Makefile.in: Rebuild.
10444
10445 2008-07-22  Simon Baldwin  <simonb@google.com>
10446
10447         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10448         to zero when writing undefined symbols.
10449
10450 2008-07-22  Ian Lance Taylor  <iant@google.com>
10451
10452         * output.cc (Output_section::add_input_section): Don't try to
10453         merge empty merge sections.
10454
10455 2008-07-21  Craig Silverstein  <csilvers@google.com>
10456
10457         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10458         Include symbol version in error message.
10459
10460 2008-07-20  Chris Demetriou  <cgd@google.com>
10461
10462         * configure.ac (gold_cv_c_random_seed): New configured variable.
10463         (RANDOM_SEED_CFLAGS): New substituted variable.
10464         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10465         * configure: Rebuild.
10466         * Makefile.in: Likewise.
10467         * testsuite/Makefile.in: Likewise.
10468
10469 2008-07-18  Ian Lance Taylor  <iant@google.com>
10470
10471         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10472         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10473         * testsuite/ver_test_main.cc (main): Call t4.
10474         (t4, t4_2a): Define.
10475         * testsuite/ver_test_2.cc (t4_2): Define.
10476         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10477         * testsuite/ver_test_4.cc (t4_2a): Define.
10478         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10479         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10480
10481 2008-07-17  Ian Lance Taylor  <iant@google.com>
10482
10483         * dynobj.cc (Versions::add_def): If we give an error about a
10484         missing version, go ahead and create the version anyhow.
10485
10486 2008-07-10  Ian Lance Taylor  <iant@google.com>
10487
10488         Handle output sections with more than 0x7fffffff bytes.
10489         * object.h (class Relobj): Change map_to_output_ to
10490         output_sections_, and just keep a section pointer.  Change all
10491         uses.  Move comdat group support to Sized_relobj.
10492         (Relobj::is_section_specially_mapped): Remove.
10493         (Relobj::output_section): Remove poff parameter.  Change all
10494         callers.
10495         (Relobj::output_section_offset): New function.
10496         (Relobj::set_section_offset): Rewrite.
10497         (Relobj::map_to_output): Remove.
10498         (Relobj::output_sections): New function.
10499         (Relobj::do_output_section_offset): New pure virtual function.
10500         (Relobj::do_set_section_offset): Likewise.
10501         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10502         group support from Relobj.  Update declarations.
10503         (Sized_relobj::get_output_section_offset): New function.
10504         (Sized_relobj::do_output_section_offset): New function.
10505         (Sized_relobj::do_set_section_offset): New function.
10506         * object.cc (Relobj::output_section_address): Remove.
10507         (Sized_relobj::Sized_relobj): Initialize new fields.
10508         (Sized_relobj::include_section_group): Cast find_kept_object to
10509         Sized_relobj.
10510         (Sized_relobj::include_linkonce_section): Likewise.
10511         (Sized_relobj::do_layout): Use separate arrays for output section
10512         and output offset.
10513         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10514         output_sections.
10515         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10516         output_sections and section_offsets.
10517         (Sized_relobj::write_local_symbols): Likewise.
10518         (map_to_kept_section): Compute output address directly.
10519         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10520         output_sections and section_offsets.
10521         (Sized_relobj::write_sections): Likewise.
10522         (Sized_relobj::relocate_sections): Likewise.
10523         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10524         * output.h (class Output_reloc): Update declarations.  Change
10525         u2_.relobj to Sized_relobj*.
10526         (class Output_data_reloc): Change add functions to use
10527         Sized_relobj*.
10528         * output.cc (Output_reloc::Output_reloc): Change relobj to
10529         Sized_relobj*.
10530         (Output_reloc::local_section_offset): Change return type to
10531         Elf_Addr.  Use get_output_section_offset.
10532         (Output_reloc::get_address): Likewise.
10533         (Output_section::is_input_address_mapped): Don't call
10534         is_section_specially_mapped.
10535         (Output_section::output_offset): Likewise.
10536         (Output_section::output_address): Likewise.
10537         (Output_section::starting_output_address): Likewise.
10538         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10539         parameter to Sized_relobj*.
10540         (Copy_relocs::need_copy_reloc): Likewise.
10541         (Copy_relocs::save): Likewise.
10542         * copy-relocs.h (class Copy_relocs): Update declarations.
10543         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10544         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10545         * target-reloc.h (relocate_for_relocatable): Change
10546         offset_in_output_section type to Elf_Addr.  Change code that uses
10547         it as well.
10548         * layout.cc (Layout::layout): Always set *off.
10549         * mapfile.cc (Mapfile::print_input_section): Use
10550         output_section_offset.
10551         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10552         Sized_relobj*.
10553         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10554         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10555         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10556
10557 2008-07-03  Ian Lance Taylor  <iant@google.com>
10558
10559         * layout.cc (Layout::include_section): Do not discard unrecognized
10560         SHT_STRTAB sections.
10561
10562 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10563
10564         * script.cc (Lex::can_continue_name): Make '?' allowable in
10565         version-script names.
10566         * testsuite/version_script.map: Change glob pattern to use '?'
10567
10568 2008-06-30  Manish Singh  <yosh@gimp.org>
10569
10570         PR 6585
10571         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10572         Correct typo.
10573
10574 2008-06-30  Ian Lance Taylor  <iant@google.com>
10575
10576         PR 6660
10577         PR 6682
10578         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10579         versions]: Don't try to read the value in the contents, since we
10580         don't use it.  Use the template endianness when writing.
10581
10582 2008-06-25  Cary Coutant  <ccoutant@google.com>
10583
10584         * fileread.cc (File_read::make_view): Assert on zero-length view.
10585         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10586         symbol table when there are no symbols to read.
10587
10588 2008-06-23  Craig Silverstein  <csilvers@google.com>
10589
10590         * version.cc (version_string): Bump to 1.7
10591
10592 2008-06-18  Craig Silverstein  <csilvers@google.com>
10593
10594         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10595         constant 0xFFFF to type Valtype.
10596         (Powerpc_relocate_functions::rel16_ha): Likewise.
10597
10598 2008-06-17  Ian Lance Taylor  <iant@google.com>
10599
10600         * output.h (Output_section::Input_section): Initialize p2align_ to
10601         zero for Output_section_data constructors.
10602         (Output_section::Input_section::addralign): If not an input
10603         section, return the alignment of the Output_section_data.
10604         * testsuite/copy_test.cc: New file.
10605         * testsuite/copy_test_1.cc: New file.
10606         * testsuite/copy_test_2.cc: New file.
10607         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10608         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10609         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10610         (copy_test_1_pic.o, copy_test_1.so): New targets.
10611         (copy_test_2_pic.o, copy_test_2.so): New targets.
10612         * testsuite/Makefile.in: Rebuild.
10613
10614         * script-sections.cc (Script_sections::place_orphan): Initialize
10615         local variable exact.
10616
10617 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10618
10619         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10620
10621 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10622             David S. Miller  <davem@davemloft.net>
10623
10624         * powerpc.cc: New file.
10625         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10626         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10627         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10628         * Makefile.in: Rebuild.
10629
10630 2008-06-09  Ian Lance Taylor  <iant@google.com>
10631
10632         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10633         <exception>.
10634         (throwing, orig_terminate): New static variables.
10635         (terminate_handler): New static function.
10636         (t2): Set terminate handler.
10637
10638 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10639
10640         PR 6584
10641         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10642         alignment.
10643
10644 2008-05-30  Cary Coutant  <ccoutant@google.com>
10645
10646         * archive.cc (Archive::include_all_members) Correct to step
10647         over symbol table and extended name table in thin archives.
10648
10649 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10650
10651         PR 6407
10652         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10653         calculation.
10654
10655 2008-05-28  Caleb Howe  <cshowe@google.com>
10656
10657         * reduced_debug_output.cc: New file.
10658         * reduced_debug_output.h: New file.
10659         * options.h (class General_options): Add --strip-debug-non-line.
10660         * options.cc (General_options::finalize): Add strip_debug_non_line
10661         to the strip heirarchy.
10662         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10663         fields.
10664         * layout.cc: Include "reduced_debug_output.h".
10665         (Layout::Layout): Initialize new fields.
10666         (line_only_debug_sections): New static array.
10667         (is_lines_only_debug_sections): New static inline function.
10668         (Layout::include_section): Handle --strip-debug-non-line.
10669         (Layout::make_output_section): If --strip-debug-non-line, build
10670         new output sections for .debug_abbrev and .debug_info.
10671         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10672         gold.  Warn about possible overflow.
10673         (read_signed_LEB_128): Likewise.
10674         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10675         (read_signed_LEB_128): Declare.
10676         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10677         (HFILES): Add reduced_debug_output.h.
10678         * Makefile.in: Rebuild.
10679
10680 2008-05-21  Ian Lance Taylor  <iant@google.com>
10681
10682         * mapfile.cc: New file.
10683         * mapfile.h: New file.
10684         * options.h (class General_options): Add -M/--print-map and -Map.
10685         * options.cc (General_options::finalize): Make -M equivalent to
10686         -Map -.
10687         * main.cc: Include <cstdio> and "mapfile.h".
10688         (main): Open mapfile if requested.
10689         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10690         constructor.  Change caller.
10691         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10692         (queue_middle_tasks): Likewise.
10693         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10694         declarations.
10695         * archive.cc: Include "mapfile.h".
10696         (Archive::add_symbols): Add mapfile parameter.  Change all
10697         callers.  Pass mapfile, symbol, and reason to include_member.
10698         (Archive::include_all_members): Add mapfile parameter.  Change all
10699         callers.
10700         (Archive::include_member): Add mapfile, sym, and why parameters.
10701         Change all callers.  Report inclusion to map file.
10702         * archive.h: Include "fileread.h".
10703         (class Archive): Update declarations.
10704         (Archive::file): New const method.
10705         (class Add_archive_symbols): Add mapfile_ field.  Update
10706         constructor.  Change all callers.
10707         * readsyms.h (class Read_symbols): Likewise.
10708         (class Finish_group): Likewise.
10709         (class Read_script): Likewise.
10710         * common.cc: Include "mapfile.h".
10711         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10712         all callers.
10713         (Symbol_table::do_allocate_commons): Likewise.
10714         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10715         symbol allocation to mapfile.
10716         * common.h (class Allocate_commons_task): Add mapfile_ field.
10717         Update constructor.  Change all callers.
10718         * symtab.h (class Symbol_table): Update declarations.
10719         * layout.cc: Include "mapfile.h".
10720         (Layout_task_runner::run): Print information to mapfile.
10721         (Layout::create_gold_note): Change Output_data_fixed_space to
10722         Output_data_zero_fill.
10723         (Layout::create_build_id): Likewise.
10724         (Layout::print_to_mapfile): New function.
10725         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10726         constructor.  Change caller.
10727         (class Layout): Declare print_to_mapfile.
10728         * output.cc (Output_section::Input_section::print_to_mapfile): New
10729         function.
10730         (Output_section::add_input_section): If producing a map, always
10731         add to input_sections_ list.
10732         (Output_section::do_print_to_mapfile): New function.
10733         (Output_segment::print_sections_to_mapfile): New function.
10734         (Output_segment::print_section_list_to_mapfile): New function.
10735         * output.h: Include "mapfile.h".
10736         (Output_data::print_to_mapfile): New function.
10737         (Output_data::do_print_to_mapfile): New virtual function.
10738         (Output_segment_headers::do_print_to_mapfile): New function.
10739         (Output_file_header::do_print_to_mapfile): New function.
10740         (Output_data_const::do_print_to_mapfile): New function.
10741         (class Output_data_const_buffer): Add map_name_ field.  Update
10742         constructor.  Change all callers.  Add do_print_to_mapfile
10743         function.
10744         (class Output_data_fixed_space): Likewise.
10745         (class Output_data_space): Likewise.
10746         (class Output_data_zero_fill): New class.
10747         (Output_data_strtab::do_print_to_mapfile): New function.
10748         (Output_data_reloc_base::do_print_to_mapfile): New function.
10749         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10750         (Output_data_group::do_print_to_mapfile): New function.
10751         (Output_data_got::do_print_to_mapfile): New function.
10752         (Output_data_dynamic::do_print_to_mapfile): New function.
10753         (Output_symtab_xindex::do_print_to_mapfile): New function.
10754         (class Output_section): Declare do_print_to_mapflie.  Declare
10755         print_to_mapfile in Input_section.
10756         (class Output_segment): Declare new functions.
10757         * object.h (Sized_relobj::symbol_count): New function.
10758         * script-sections.cc
10759         (Output_section_element_dot_assignment::set_section_addresses):
10760         Change Output_data_fixed_space to Output_data_zero_fill.
10761         (Output_data_expression::do_print_to_mapfile): New function.
10762         * script.cc (read_input_script): Add mapfile parameter.  Change
10763         all callers.
10764         * script.h (read_input_script): Update declaration.
10765         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10766         (Eh_frame::do_print_to_mapfile): New function.
10767         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10768         (Output_merge_string::do_print_to_mapfile): New function.
10769         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10770         function.
10771         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10772         function.
10773         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10774         function.
10775         * Makefile.am (CCFILES): Add mapfile.cc.
10776         (HFILES): Add mapfile.h.
10777         * Makefile.in: Rebuild.
10778
10779 2008-05-19  Ian Lance Taylor  <iant@google.com>
10780
10781         * options.h (class General_options): Add -z relro.
10782         * layout.cc (Layout::Layout): Initialize relro_segment_.
10783         (Layout::add_output_section_data): Return the output section.
10784         (Layout::make_output_section): Rcognize relro sections and mark
10785         them appropriately.
10786         (Layout::attach_allocated_section_to_segment): Put relro sections
10787         in a PT_GNU_RELRO segment.
10788         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10789         section as relro.
10790         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10791         PT_TLS segments.
10792         (Layout::linkonce_mapping): Map d.rel.ro.local to
10793         .data.rel.ro.local.
10794         (Layout::output_section_name): Us .data.rel.ro.local for any
10795         section which begins with that.
10796         * layout.h (class Layout): Update add_output_section_data
10797         declaration.  Add relro_segment_ field.
10798         * output.cc (Output_section::Output_section): Initialize is_relro_
10799         and is_relro_local_ fields.
10800         (Output_segment::add_output_section): Group relro sections.
10801         (Output_segment::is_first_section_relro): New function.
10802         (Output_segment::maximum_alignment): If there is a relro section,
10803         align the segment to the common page size.
10804         (Output_segment::set_section_addresses): Track whether we are
10805         looking at relro sections.  If the last section is a relro
10806         section, align to the common page size.
10807         (Output_segment::set_section_list_addresses): Add in_relro
10808         parameter.  Change all callers.  Align to the page size when
10809         moving from relro to non-relro section.
10810         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10811         segment.
10812         * output.h (class Output_section): Add is_relro_ and
10813         is_relro_local_ fields.
10814         (Output_section::is_relro): New function.
10815         (Output_section::set_is_relro): New function.
10816         (Output_section::is_relro_local): New function.
10817         (Output_section::set_is_relro_local): New function.
10818         (class Output_segment): Update declarations.
10819         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10820         * sparc.cc (Target_sparc::got_section): Likewise.
10821         * x86_64.cc (Target_x86_64::got_section): Likewise.
10822         * testsuite/relro_test_main.cc: New file.
10823         * testsuite/relro_test.cc: New file.
10824         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10825         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10826         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10827         (relro_test.so, relro_test_pic.o): New targets.
10828         * testsuite/Makefile.in: Rebuild.
10829
10830 2008-05-16  Ian Lance Taylor  <iant@google.com>
10831
10832         * output.cc (Output_segment::add_output_section): Remove front
10833         parameter.
10834         * output.h (class Output_segment): Remove
10835         add_initial_output_section and overloaded add_output_section.
10836         Update declaration of remaining add_output_section.
10837         * layout.cc (Layout::create_interp): Call add_output_section
10838         rather than add_initial_output_section.
10839         (Layout::finish_dynamic_section): Likewise.
10840
10841         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10842         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10843         know the dynamic type.
10844         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10845         field.  Initialize it in constructor.
10846         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10847         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10848         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10849         reloc.
10850
10851         * output.cc (Output_reloc::get_address): Change return type to
10852         Elf_Addr.
10853         * output.h (class Output_reloc): Update get_address declaration.
10854         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10855         for section addresses.
10856
10857 2008-05-09  Ian Lance Taylor  <iant@google.com>
10858
10859         PR 6493
10860         * gold.cc (gold_nomem): Use return value of write.
10861
10862 2008-05-08  Ian Lance Taylor  <iant@google.com>
10863
10864         * symtab.c (Symbol::init_base_output_data): Add version
10865         parameter.  Change all callers.
10866         (Symbol::init_base_output_segment): Likewise.
10867         (Symbol::init_base_constant): Likewise.
10868         (Symbol::init_base_undefined): Likewise.
10869         (Sized_symbol::init_output_data): Likewise.
10870         (Sized_symbol::init_output_segment): Likewise.
10871         (Sized_symbol::init_constant): Likewise.
10872         (Sized_symbol::init_undefined): Likewise.
10873         (Symbol_table::do_define_in_output_data): If the new symbol has a
10874         version, mark it as the default.
10875         (Symbol_table::do_define_in_output_segment): Likewise.
10876         (Symbol_table::do_define_as_constant): Likewise.
10877         * symtab.h (class Symbol): Update declarations.
10878         (class Sized_symbol): Likewise.
10879         * resolve.cc (Symbol::override_version): New function.
10880         (Symbol::override_base): Call override_version.
10881         (Symbol::override_base_with_special): Likewise.
10882         * testsuite/ver_script_8.script: New file.
10883         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10884         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10885         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10886         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10887
10888 2008-05-06  Ian Lance Taylor  <iant@google.com>
10889
10890         PR 6049
10891         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10892         functions.
10893         (class General_options): Remove existing --undefined, and add
10894         --no-undefined instead.  Add new --undefined as synonym for -u.
10895         * archive.cc (Archive::add_symbols): Check whether symbol was
10896         named with -u.
10897         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10898         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10899         all uses.  Add IS_UNDEFINED.  Update declarations to split
10900         different versions of init_base.  Declare init_base_undefined.
10901         (Symbol::is_defined): Handle IS_UNDEFINED.
10902         (Symbol::is_undefined): Likewise.
10903         (Symbol::is_weak_undefined): Call is_undefined.
10904         (Symbol::is_absolute): Handle IS_CONSTANT.
10905         (class Sized_symbol): Update declarations to split different
10906         versions of init.  Declare init_undefined.
10907         (class Symbol_table): Declare new functions.
10908         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10909         Change all callers.
10910         (Symbol::init_base_output_data): Likewise.
10911         (Symbol::init_base_output_segment): Likewise.
10912         (Symbol::init_base_constant): Likewise.
10913         (Symbol::init_base_undefined): New function.
10914         (Sized_symbol::init_object): Rename from init.  Change all
10915         callers.
10916         (Sized_symbol::init_output_data): Likewise.
10917         (Sized_symbol::init_output_segment): Likewise.
10918         (Sized_symbol::init_constant): Likewise.
10919         (Sized_symbol::init_undefined): New function.
10920         (Symbol_table::add_undefined_symbols_from_command_line): New
10921         function.
10922         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10923         function.
10924         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10925         (Symbol::output_section): Likewise.
10926         (Symbol::set_output_section): Likewise.
10927         (Symbol_table::sized_finalize_symbol): Likewise.
10928         (Symbol_table::sized_write_globals): Likewise.
10929         * resolve.cc (Symbol_table::should_override): Likewise.
10930         (Symbol::override_base_with_special): Likewise.
10931
10932         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10933         symbol, change it to have default visibility.
10934         * testsuite/protected_1.cc: New file.
10935         * testsuite/protected_2.cc: New file.
10936         * testsuite/protected_3.cc: New file.
10937         * testsuite/protected_main_1.cc: New file.
10938         * testsuite/protected_main_2.cc: New file.
10939         * testsuite/protected_main_3.cc: New file.
10940         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10941         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10942         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10943         (protected_1.so): New target.
10944         (protected_1_pic.o, protected_2_pic.o): New targets.
10945         (protected_3_pic.o): New target.
10946         (check_PROGRAMS): Add protected_2.
10947         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10948         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10949         * testsuite/Makefile.in: Rebuild.
10950
10951         * options.h (DEFINE_var): Add set_user_set_##varname__.
10952         (DEFINE_bool_alias): New macro.
10953         (class General_options): Define -Bstatic using DEFINE_bool_alias
10954         rather than DEFINE_special.  Add --undefined as an alias for -z
10955         defs.
10956         * options.cc (General_options::parse_Bstatic): Remove.
10957
10958         * options.h (class General_options): Add --fatal-warnings.
10959         * main.cc (main): Implement --fatal-warnings.
10960         * errors.h (Errors::warning_count): New function.
10961
10962         * options.h (class General_options): Add -Bsymbolic-functions.
10963         * symtab.h (Symbol::is_preemptible): Check for
10964         -Bsymbolic-functions.
10965
10966 2008-05-05  Ian Lance Taylor  <iant@google.com>
10967
10968         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10969         as noVARNAME rather than no-VARNAME.
10970         (class General_options): Add option -z combreloc.
10971         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10972         get_address.
10973         (Output_reloc::sort_before) [SHT_REL]: New function.
10974         (Output_reloc::sort_before) [SHT_RELA]: New function.
10975         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10976         Sort_relocs_comparison.
10977         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10978         parameter.  Change all callers.
10979         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10980         sort_relocs parameter.  Change all callers.
10981         * output.cc (Output_reloc::get_address): New function, broken out
10982         of write_rel.
10983         (Output_reloc::write_rel): Call it.
10984         (Output_reloc::compare): New function.
10985         (Output_data_reloc_base::do_write): Optionally sort relocs.
10986
10987         * configure.ac: If targ_extra_obj is set, link it in.
10988         * configure.tgt: Initialize all variables.
10989         (x86_64*): Set targ_extra_obj and targ_extra_size.
10990         * configure: Rebuild.
10991
10992         * object.cc (Sized_relobj::include_section_group): Adjust section
10993         indexes read from group data.  Build vector to pass to
10994         layout_group.
10995         * layout.cc (Layout::layout_group): Add flags and shndxes
10996         parameters.  Remove contents parameter.  Change caller.  Update
10997         explicit instantiations.
10998         * layout.h (class Layout): Update layout_group declaration.
10999         * output.cc (Output_data_group::Output_data_group): Add flags and
11000         input_shndxes parameters.  Remove contents parameter.  Change
11001         caller.
11002         (Output_data_group::do_write): Change input_sections_ to
11003         input_shndxes_.
11004         * output.h (class Output_data_group): Update constructor
11005         declaration.  Rename input_sections_ to input_shndxes_.
11006         * testsuite/many_sections_test.cc: Add template.
11007
11008 2008-04-30  Cary Coutant  <ccoutant@google.com>
11009
11010         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11011
11012         * layout.cc (Layout::include_section): Refactored check for debug
11013         info section.
11014         (Layout::add_comdat): Add new parameters.  Change type
11015         of signature parameter.  Add object and shndx to signatures table.
11016         (Layout::find_kept_object): New function.
11017         * layout.h: Include <cstring>.
11018         (Layout::is_debug_info_section): New function.
11019         (Layout::add_comdat): Add new parameters.
11020         (Layout::find_kept_object): New function.
11021         (Layout::Kept_section): New struct.
11022         (Layout::Signatures): Change type of map range.
11023         * object.cc (Relobj::output_section_address): New function.
11024         (Sized_relobj::include_section_group): Add new parameters.  Change
11025         calls to Layout::add_comdat.  Change to build table of kept comdat
11026         groups and table mapping discarded sections to kept sections.
11027         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11028         (Sized_relobj::do_layout): Change calls to include_section_group and
11029         include_linkonce_section.
11030         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11031         value to zero when section is discarded.
11032         (Sized_relobj::map_to_kept_section): New function.
11033         * object.h (Relobj::output_section_address): New function.
11034         (Relobj::Comdat_group): New type.
11035         (Relobj::find_comdat_group): New function.
11036         (Relobj::Comdat_group_table): New type.
11037         (Relobj::Kept_comdat_section): New type.
11038         (Relobj::Kept_comdat_section_table): New type.
11039         (Relobj::add_comdat_group): New function.
11040         (Relobj::set_kept_comdat_section): New function.
11041         (Relobj::get_kept_comdat_section): New function.
11042         (Relobj::comdat_groups_): New field.
11043         (Relobj::kept_comdat_sections_): New field.
11044         (Symbol_value::input_value): Update comment.
11045         (Sized_relobj::map_to_kept_section) New function.
11046         (Sized_relobj::include_linkonce_section): Add new parameter.
11047         * target-reloc.h (Comdat_behavior): New type.
11048         (get_comdat_behavior): New function.
11049         (relocate_section): Add code to map a discarded section to the
11050         corresponding kept section when applying a relocation.
11051
11052 2008-04-30  Craig Silverstein  <csilvers@google.com>
11053
11054         * dwarf_reader.cc (next_generation_count): New static var.
11055         (Addr2line_cache_entry): New struct.
11056         (addr2line_cache): New static var.
11057         (Dwarf_line_info::one_addr2line): Added caching.
11058         (Dwarf_line_info::clear_addr2line_cache): New function.
11059         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11060         cache-size parameter.
11061         (Dwarf_line_info::one_addr2line_cache): New function.
11062         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11063         new cache-size argument to one_addr2line(), and clear cache.
11064
11065 2008-04-28  Cary Coutant  <ccoutant@google.com>
11066
11067         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11068         R_386_PC8 relocations.
11069
11070 2008-04-23  Ian Lance Taylor  <iant@google.com>
11071
11072         * object.cc (Sized_relobj::include_section_group): Check for
11073         invalid section group.
11074
11075         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11076         header size.
11077
11078         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11079         than read for file header.
11080         * archive.cc (Archive::include_member): Likewise.
11081
11082 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11083
11084         * aclocal.m4: Regenerate.
11085         * configure: Regenerate.
11086
11087 2008-04-19  Ian Lance Taylor  <iant@google.com>
11088
11089         * version.cc (version_string): Bump to 1.6.
11090
11091         * testsuite/Makefile.am (many_sections_r_test): New target.
11092         (many_sections_r_test_SOURCES): Remove.
11093         (many_sections_r_test_DEPENDENCIES): Remove.
11094         (many_sections_r_test_LDFLAGS): Remove.
11095         (many_sections_r_test_LDADD): Remove.
11096
11097         * object.cc (Sized_relobj::do_add_symbols): Always pass
11098         local_symbol_count_ to add_from_relobj.
11099
11100         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11101         every thousand variables.
11102         * testsuite/Makefile.in: Rebuild.
11103
11104         * object.cc (Xindex::initialize_symtab_xindex): New function.
11105         (Xindex::read_symtab_xindex): New function.
11106         (Xindex::sym_xindex_to_shndx): New function.
11107         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11108         available.
11109         (Sized_relobj::do_initialize_xindex): New function.
11110         (Sized_relobj::do_read_symbols): Adjust section links.
11111         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11112         parameter.  Change all callers.
11113         (Sized_relobj::include_section_group): Adjust section links and
11114         symbol section indexes.
11115         (Sized_relobj::do_layout): Adjust section links.
11116         (Sized_relobj::do_count_local_symbols): Adjust section links and
11117         symbol section indexes.
11118         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11119         ordinary and special symbols.
11120         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11121         dynsym_xindex parameters.  Change all callers.  Adjust section
11122         links.  Use SHN_XINDEX when needed.
11123         (Sized_relobj::get_symbol_location_info): Adjust section links.
11124         Don't get fooled by special symbols.
11125         * object.h (class Xindex): Define.
11126         (class Object): Add xindex_ parameter.  Declare virtual functoin
11127         do_initialize_xindex.
11128         (Object::adjust_sym_shndx): New function.
11129         (Object::set_xindex): New protected function.
11130         (class Symbol_value): Add is_ordinary_shndx_ field.
11131         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11132         (Symbol_value::value): Assert ordinary section.
11133         (Symbol_value::initialize_input_to_output_map): Likewise.
11134         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11135         Change all callers.
11136         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11137         all callers.
11138         (class Sized_relobj): Update declarations.
11139         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11140         parameter.  Change all callers.
11141         (Sized_relobj::adjust_shndx): New function.
11142         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11143         field.
11144         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11145         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11146         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11147         (Sized_dynobj::read_dynsym_section): Adjust section links.
11148         (Sized_dynobj::read_dynamic): Likewise.
11149         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11150         section links.
11151         (Sized_dynobj::do_initialize_xindex): New function.
11152         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11153         do_initialize_xindex.
11154         (Sized_dynobj::adjust_shndx): New function.
11155         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11156         dynsym_xindex_ fields.
11157         (Layout::finalize): Add a call to set_section_indexes before
11158         creating the symtab sections.
11159         (Layout::set_section_indexes): Don't do anything if the section
11160         already has a section index.
11161         (Layout::create_symtab_sections): Add shnum parameter.  Change
11162         caller.  Create .symtab_shndx section if needed.
11163         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11164         caller.
11165         (Layout::allocated_output_section_count): New function.
11166         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11167         needed.
11168         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11169         fields.  Update declarations.
11170         (Layout::symtab_xindex): New function.
11171         (Layout::dynsym_xindex): New function.
11172         (class Write_symbols_task): Add layout_ field.
11173         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11174         Change caller.
11175         * output.cc (Output_section_headers::Output_section_headers): Add
11176         shstrtab_section parameter.  Change all callers.
11177         (Output_section_headers::do_sized_write): Store overflow values
11178         for section count and section string table section index in
11179         section header zero.
11180         (Output_file_header::do_sized_write): Check for overflow of
11181         section count and section string table section index.
11182         (Output_symtab_xindex::do_write): New function.
11183         (Output_symtab_xindex::endian_do_write): New function.
11184         * output.h (class Output_section_headers): Add shstrtab_section_.
11185         Update declarations.
11186         (class Output_symtab_xindex): Define.
11187         (Output_section::has_out_shndx): New function.
11188         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11189         field.
11190         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11191         Change all callers.
11192         (Sized_symbol::init): Likewise.
11193         (Symbol::output_section): Check for ordinary symbol.
11194         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11195         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11196         callers.
11197         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11198         Change all callers.  Simplify handling of symbols from sections
11199         not included in the link.
11200         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11201         distinction.
11202         (Weak_alias_sorter::operator()): Assert that symbols are
11203         ordinary.
11204         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11205         distinction.
11206         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11207         parameters.  Change all callers.
11208         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11209         symbol distinction.  Use SHN_XINDEX when needed.
11210         (Symbol_table::write_section_symbol): Add symtab_xindex
11211         parameter.  Change all callers.
11212         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11213         SHN_XINDEX when needed.
11214         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11215         declarations.
11216         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11217         (Symbol::is_defined): Check is_ordinary.
11218         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11219         (Symbol::is_absolute, Symbol::is_common): Likewise.
11220         (class Sized_symbol): Update declarations.
11221         (class Symbol_table): Update declarations.
11222         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11223         parameters.  Change all callers.
11224         (Sized_symbol::override): Likewise.
11225         (Symbol_table::override): Likewise.
11226         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11227         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11228         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11229         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11230         to be in an ordinary section.
11231         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11232         object and is_ordinary parameters.  Change all callers.
11233         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11234         Change all callers.  Don't add undefined or non-ordinary symbols
11235         to reloc_map_.
11236         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11237         Change all callers.
11238         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11239         declarations.
11240         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11241         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11242         (Sized_relobj::relocate_sections): Likewise.
11243         * target-reloc.h (scan_relocs): Adjust section symbol index.
11244         (scan_relocatable_relocs): Likewise.
11245         * i386.cc (Scan::local): Check for ordinary symbols.
11246         * sparc.cc (Scan::local): Likewise.
11247         * x86_64.cc (Scan::local): Likewise.
11248         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11249         to symbol_section_and_value.
11250         * testsuite/many_sections_test.cc: New file.
11251         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11252         (check_PROGRAMS): Add many_sections_test.
11253         (many_sections_test_SOURCES): Define.
11254         (many_sections_test_DEPENDENCIES): Define.
11255         (many_sections_test_LDFLAGS): Define.
11256         (BUILT_SOURCES): Add many_sections_define.h.
11257         (many_sections_define.h): New target.
11258         (BUILT_SOURCES): Add many_sections_check.h.
11259         (many_sections_check.h): New target.
11260         (check_PROGRAMS): Add many_sections_r_test.
11261         (many_sections_r_test_SOURCES): Define.
11262         (many_sections_r_test_DEPENDENCIES): Define.
11263         (many_sections_r_test_LDFLAGS): Define.
11264         (many_sections_r_test_LDADD): Define.
11265         (many_sections_r_test.o): New target.
11266         * testsuite/Makefile.in: Rebuild.
11267
11268 2008-04-17  Cary Coutant  <ccoutant@google.com>
11269
11270         * errors.cc (Errors::info): New function.
11271         (gold_info): New function.
11272         * errors.h (Errors::info): New function.
11273         * gold.h (gold_info): New function.
11274         * object.cc (Input_objects::add_object): Print trace output.
11275         * options.cc (options::parse_set): New function.
11276         (General_options::parse_wrap): Deleted.
11277         (General_options::General_options): Deleted initializer.
11278         * options.h (options::String_set): New typedef.
11279         (options::parse_set): New function.
11280         (DEFINE_set): New macro.
11281         (General_options::wrap): Changed to use DEFINE_set. Changed
11282         callers of any_wrap_symbols and is_wrap_symbol.
11283         (General_options::trace, General_options::trace_symbol):
11284         New options.
11285         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11286         (General_options::wrap_symbols_): Deleted.
11287         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11288
11289 2008-04-17  David S. Miller  <davem@davemloft.net>
11290
11291         * options.cc (General_options::parse_V): New function.
11292         * options.h: Add entries for -V and -Qy.
11293
11294 2008-04-17  Ian Lance Taylor  <iant@google.com>
11295
11296         * common.cc (Symbol_table::allocate_commons): Remove options
11297         parameter.  Change caller.
11298         (Symbol_table::do_allocate_commons): Remove options parameter.
11299         Change caller.  Just call do_allocate_commons_list twice.
11300         (Symbol_table::do_allocate_commons_list): New function, broken out
11301         of do_allocate_commons.
11302         * common.h (class Allocate_commons_task): Remove options_ field.
11303         Update constructor.
11304         * symtab.cc (Symbol_table::Symbol_table): Initialize
11305         tls_commons_.
11306         (Symbol_table::add_from_object): Put TLS common symbols on
11307         tls_commons_ list.
11308         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11309         which are IN_OUTPUT_DATA.
11310         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11311         allocate_commons and do_allocate_commons declarations.  Declare
11312         do_allocate_commons_list.
11313         * gold.cc (queue_middle_tasks): Update creation of
11314         Allocate_commons_task to not pass options.
11315         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11316         (TLS_TEST_C_FLAGS): New variable.
11317         (tls_test_c_pic.o): New target.
11318         (tls_test_shared.so): Link in tls_test_c_pic.o.
11319         (tls_test_c_pic_ie.o): New target.
11320         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11321         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11322         (tls_test_c.o): New target.
11323         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11324         (tls_pic_test_LDADD): Likewise.
11325         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11326         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11327         (tls_test_c_gnu2.o): New target.
11328         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11329         tls_test_c_gnu2.o.
11330         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11331         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11332         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11333         * testsuite/tls_test.cc: Include "config.h".
11334         (t_last): Call t11_last.
11335         * testsuite/tls_test.h (t11, t11_last): Declare.
11336         * testsuite/tls_test_c.c: New file.
11337         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11338         * configure.ac: Check for OpenMP support.
11339         * configure, config.in, Makefile.in: Rebuild.
11340         * testsuite/Makefile.in: Rebuild.
11341
11342 2008-04-16  Cary Coutant  <ccoutant@google.com>
11343
11344         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11345         (Target_i386::tls_base_symbol_defined_): New field.
11346         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11347         (Target_i386::Scan::global): Likewise.
11348         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11349         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11350         (Target_x86_64::tls_base_symbol_defined_): New field.
11351         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11352         (Target_x86_64::Scan::global): Likewise.
11353
11354 2008-04-16  Cary Coutant  <ccoutant@google.com>
11355
11356         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11357         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11358         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11359         building shared libraries.
11360         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11361         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11362         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11363         * testsuite/Makefile.in: Rebuild.
11364         * testsuite/weak_undef.h: New file.
11365         * testsuite/weak_undef_file1.cc: Add extra test cases.
11366         * testsuite/weak_undef_file2.cc: Likewise.
11367         * testsuite/weak_undef_test.cc: Likewise.
11368
11369 2008-04-16  David S. Miller  <davem@davemloft.net>
11370
11371         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11372         Add issued_non_pic_error_ field.  Declare check_non_pic.
11373         (Target_sparc::Scan::check_non_pic): New function.
11374         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11375         (Target_sparc::Scan::global): Likewise.
11376
11377         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11378         * configure: Rebuild.
11379
11380         * options.h (DEFINE_enable): New macro.
11381         (new_dtags): New enable option.
11382         (initfirst, interpose, loadfltr, nodefaultlib,
11383         nodelete, nodlopen, nodump): New -z options.
11384         * layout.cc (Layout:finish_dynamic_section): If new
11385         dtags enabled, emit DT_RUNPATH.  Also, emit a
11386         DT_FLAGS_1 containing any specified -z flags.
11387
11388 2008-04-16  Ian Lance Taylor  <iant@google.com>
11389
11390         * copy-relocs.cc: New file.
11391         * copy-relocs.h: New file.
11392         * reloc.cc: Remove Copy_relocs code.
11393         * reloc.h: Likewise.
11394         * reloc-types.h (struct Reloc_types) [both versions]: Add
11395         get_reloc_addend_noerror.
11396         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11397         variants of add_global which take an addend which must be zero.
11398         * i386.cc: Include "copy-relocs.h".
11399         (class Target_i386): Change type of copy_relocs_ to variable,
11400         update initializer.
11401         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11402         Change all callers.
11403         (Target_i386::do_finalize_sections): Change handling of
11404         copy_relocs_.
11405         * sparc.cc: Include "copy-relocs.h".
11406         (class Target_sparc): Change type of copy_relocs_ to variable,
11407         update initializer.
11408         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11409         Change all callers.
11410         (Target_sparc::do_finalize_sections): Change handling of
11411         copy_relocs_.
11412         * x86_64.cc: Include "copy-relocs.h".
11413         (class Target_x86_64): Change type of copy_relocs_ to variable,
11414         update initializer.
11415         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11416         class.  Change all callers.
11417         (Target_x86_64::do_finalize_sections): Change handling of
11418         copy_relocs_.
11419         * Makefile.am (CCFILES): Add copy-relocs.cc.
11420         (HFILES): Add copy-relocs.h.
11421
11422         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11423
11424         * testsuite/script_test_4.sh: Permit leading zeroes.
11425
11426 2008-04-15  Ian Lance Taylor  <iant@google.com>
11427
11428         * script-sections.cc (Script_sections::create_segments): Use
11429         header_size_adjustment even when there is enough room for the
11430         headers.
11431         * testsuite/script_test_4.sh: New file.
11432         * testsuite/script_test_4.t: New file.
11433         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11434         (check_DATA): Add script_test_4.stdout.
11435         (MOSTLYCLEANFILES): Likewise.
11436         (script_test_4): New target.
11437         (script_test_4.stdout): New target.
11438         * testsuite/Makefile.in: Rebuild.
11439
11440         * sparc.cc: Add definitions for Output_data_plt_sparc class
11441         constants.
11442
11443 2008-04-14  David S. Miller  <davem@davemloft.net>
11444
11445         * sparc.cc: New file.
11446         * Makefile.am (TARGETSOURCES): Add sparc.cc
11447         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11448         * configure.tgt: Document targ_extra_size and
11449         targ_extra_big_endian.  Add entries for sparc-* and
11450         sparc64-*.
11451         * configure.ac: Handle targ_extra_size and
11452         targ_extra_big_endian.
11453         * Makefile.in: Rebuild.
11454         * configure: Likewise.
11455         * po/POTFILES.in: Likewise.
11456         * po/gold.pot: Likewise.
11457
11458 2008-04-14  Ian Lance Taylor  <iant@google.com>
11459
11460         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11461         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11462         in the name/type/flags to section mapping.  Don't call
11463         allocate_output_section.
11464         (Layout::choose_output_section): Change parameter from adjust_name
11465         to is_input_section.  Don't permit input sections after sections
11466         are attached to segments.  Don't call allocate_output_section.
11467         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11468         not write_enable_output_section.
11469         (Layout::make_output_section): Don't push to
11470         unattached_section_list_ nor call attach_to_segment.  Call
11471         attach_section_to_segment if sections are attached.
11472         (Layout::attach_sections_to_segments): New function.
11473         (Layout::attach_section_to_segment): New function.
11474         (Layout::attach_allocated_section_to_segment): Rename from
11475         attach_to_segment.  Remove flags parameter.
11476         (Layout::allocate_output_section): Remove function.
11477         (Layout::write_enable_output_section): Remove function.
11478         * layout.h (class Layout): Update for above changes.  Add new
11479         field sections_are_attached_.
11480         * output.h (Output_section::update_flags_for_input_section): New
11481         function.
11482         * output.cc (Output_section::add_input_section): Call
11483         update_flags_for_input_section.
11484         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11485
11486 2008-04-11  Cary Coutant  <ccoutant@google.com>
11487
11488         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11489         thought unnecessary.
11490         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11491
11492 2008-04-11  Ian Lance Taylor  <iant@google.com>
11493
11494         * output.h (class Output_section_data): Remove inline definition
11495         of set_addralign.
11496         * output.cc (Output_section_data::set_addralign): New function.
11497
11498 2008-04-11  Cary Coutant  <ccoutant@google.com>
11499
11500         Add support for TLS descriptors for i386 and x86_64.
11501         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11502         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11503         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11504         GOT_TYPE_TLS_DESC.
11505         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11506         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11507         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11508         relocations.
11509         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11510         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11511         Fix problem with initial-exec relocations.
11512         (Target_i386::Relocate::relocate_tls): Likewise.
11513         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11514         relaxation.
11515         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11516         support for section-plus-offset dynamic table entries.
11517         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11518         (Output_data_dynamic::Dynamic_entry): Add support for
11519         section-plus-offset dynamic table entries.
11520         (Output_data_dynamic::Classification): Likewise.
11521         (Output_data_dynamic::classification_): Renamed offset_.
11522         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11523         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11524         (Target_x86_64::make_plt_section): New function.
11525         (Target_x86_64::reserve_tlsdesc_entries): New function.
11526         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11527         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11528         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11529         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11530         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11531         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11532         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11533         add extra PLT entry for TLS descriptors.
11534         (Output_data_plt_x86_64::got_): New field.
11535         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11536         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11537         fields.
11538         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11539         descriptors.
11540         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11541         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11542         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11543         R_386_TLS_DESC_CALL relocations.
11544         (Target_x86_64::Scan::global): Likewise.
11545         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11546         for TLS descriptors.
11547         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11548         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11549         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11550         GD-to-IE relaxation.
11551         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11552         and TLS_DESCRIPTORS.
11553         * Makefile.in: Rebuild.
11554         * configure: Rebuild.
11555         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11556         (tls_test_shared2.so): New target.
11557         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11558         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11559         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11560         (tls_shared_gd_to_ie_test_LDADD): New variable.
11561         (tls_shared_gnu2_gd_to_ie_test): New target.
11562         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11563         New targets.
11564         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11565         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11566         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11567         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11568         (tls_shared_gnu2_test): New target.
11569         (tls_test_gnu2_shared.so): New target.
11570         (tls_shared_gnu2_test_SOURCES): New variable.
11571         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11572         (tls_shared_gnu2_test_LDFLAGS): New variable.
11573         (tls_shared_gnu2_test_LDADD): New variable.
11574         * testsuite/Makefile.in: Rebuild.
11575         * testsuite/Makefile.
11576
11577 2008-04-11  Ian Lance Taylor  <iant@google.com>
11578
11579         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11580         justsyms.t.
11581         * testsuite/Makefile.in: Rebuild.
11582
11583         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11584         long.
11585         * testsuite/script_test_2.cc (main): Adjust test.
11586
11587 2008-04-11  David S. Miller  <davem@davemloft.net>
11588             Ian Lance Taylor  <iant@google.com>
11589
11590         * options.h (General_options): Add entries for '-Y' and
11591         '-relax'.
11592         * options.cc (General_options:finalize): If -Y was used, add those
11593         entries to the library path instead of the default "/lib" and
11594         "/usr/lib".
11595
11596 2008-04-11  David S. Miller  <davem@davemloft.net>
11597
11598         * testsuite/justsyms.t: Start at 0x100.
11599         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11600         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11601         long.
11602         * testsuite/script_test_2.cc: Adjust string and section length
11603         checks.
11604
11605 2008-04-09  Ian Lance Taylor  <iant@google.com>
11606
11607         PR gold/5996
11608         * script-sections.cc (Sections_element::allocate_to_segment): Add
11609         orphan parameter.
11610         (Output_section_definition::allocate_to_segment): Likewise.
11611         (Orphan_output_section::allocate_to_segment): Likewise.
11612         (Script_sections::attach_sections_using_phdrs_clause): Don't
11613         propagate non-PT_LOAD segments to orphan sections.
11614         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11615         readelf rather than objdump.
11616         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11617         .interp section and PT_INTERP segment are the same size.
11618         * testsuite/Makefile.in: Rebuild.
11619
11620         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11621         aliases for symbols defined in the same object.
11622         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11623         (weak_alias_test_SOURCES): New variable.
11624         (weak_alias_test_DEPENDENCIES): New variable.
11625         (weak_alias_test_LDFLAGS): New variable.
11626         (weak_alias_test_LDADD): New variable.
11627         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11628         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11629         (weak_alias_test_3.o): New target.
11630         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11631         * testsuite/weak_alias_test_main.cc: New file.
11632         * testsuite/weak_alias_test_1.cc: New file.
11633         * testsuite/weak_alias_test_2.cc: New file.
11634         * testsuite/weak_alias_test_3.cc: New file.
11635
11636 2008-04-08  Ian Lance Taylor  <iant@google.com>
11637
11638         * options.h (class General_options): Add --noinhibit-exec option.
11639         * main.cc (main): Check --noinhibit-exec.
11640
11641         * options.h (class General_options): Define --wrap as a special
11642         option.  Add wrap_symbols_ field.
11643         (General_options::any_wrap_symbols): New function.
11644         (General_options::is_wrap_symbol): New function.
11645         * options.cc (General_options::parse_wrap): New function.
11646         (General_options::General_options): Initialize wrap_symbols_.
11647         * symtab.cc (Symbol_table::wrap_symbol): New function.
11648         (Symbol_table::add_from_object): Handle --wrap.
11649         * symtab.h (class Symbol_table): Declare wrap_symbol.
11650         * target.h (Target::wrap_char): New function.
11651         (Target::Target_info): Add wrap_char field.
11652         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11653         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11654         * testsuite/testfile.cc (Target_test::test_target_info):
11655         Likewise.
11656
11657         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11658         there is one.
11659
11660         * layout.h (class Layout): Add added_eh_frame_data_ field.
11661         * layout.cc (Layout::Layout): Initialize new field.
11662         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11663         output section until we find a section we merged successfully.
11664         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11665         that the size be non-zero.
11666
11667         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11668         qualifier.
11669
11670 2008-04-08  Craig Silverstein  <csilvers@google.com>
11671
11672         * configure.ac: Export new conditional variable HAVE_ZLIB.
11673         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11674         on HAVE_ZLIB.
11675         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11676         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11677
11678 2008-04-07  Ian Lance Taylor  <iant@google.com>
11679
11680         * version.cc (version_string): Set to "1.5".
11681
11682         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11683         Add issued_non_pic_error_ field.  Declare check_non_pic.
11684         (Target_x86_64::Scan::check_non_pic): New function.
11685         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11686         (Target_x86_64::Scan::global): Likewise.
11687
11688         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11689         addend parameter.  Change caller.  Handle merge sections.
11690         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11691         Address to Addend.  Don't add in the result of
11692         local_section_offset, pass down the addend and use the returned
11693         value.
11694         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11695         Update declarations of local_section_offset and symbol_value.
11696         * testsuite/two_file_test_1.cc (t18): New function.
11697         * testsuite/two_file_test_2.cc (f18): New function.
11698         * testsuite/two_file_test_main.cc (main): Call t18.
11699         * testsuite/two_file_test.h (t18, f18): Declare.
11700
11701         * configure.ac: Don't test for objdump, c++filt, or readelf.
11702         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11703         conditionals.
11704         (TEST_READELF): New variable.
11705         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11706         (check_PROGRAMS): Add two_file_strip_test.
11707         (two_file_strip_test): New target.
11708         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11709         (two_file_same_shared_strip_test_SOURCES): New variable.
11710         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11711         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11712         (two_file_same_shared_strip_test_LDADD): New variable.
11713         (two_file_shared_strip.so): New target.
11714         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11715         (ver_test_5.syms, ver_test_7.syms): Likewise.
11716         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11717         (strip_test_3.stdout): Use TEST_OBJDUMP.
11718         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11719
11720 2008-04-04  Cary Coutant  <ccoutant@google.com>
11721
11722         * symtab.h (Symbol::is_weak_undefined): New function.
11723         (Symbol::is_strong_undefined): New function.
11724         (Symbol::is_absolute): New function.
11725         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11726         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11727         absolute symbols.
11728         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11729         (weak_undef_test): New target.
11730         * testsuite/Makefile.in: Rebuild.
11731         * testsuite/weak_undef_file1.cc: New file.
11732         * testsuite/weak_undef_file2.cc: New file.
11733         * testsuite/weak_undef_test.cc: New file.
11734
11735 2008-04-03  Craig Silverstein  <csilvers@google.com>
11736
11737         * compressed_output.h (class Output_compressed_section): Use
11738         unsigned buffer.
11739         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11740         add zlib header.
11741         (zlib_compressed_suffix): Removed.
11742         (Output_compressed_section::set_final_data_size): Use unsigned
11743         buffers.
11744         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11745         Fix linker invocation.
11746         (flagstest_o_specialfile_and_compress_debug_sections):
11747         Likewise.
11748         * testsuite/Makefile.in: Regenerated.
11749
11750 2008-04-02  David S. Miller  <davem@davemloft.net>
11751
11752         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11753         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11754
11755 2008-04-02  Craig Silverstein  <csilvers@google.com>
11756
11757         * TODO: New file.
11758
11759 2008-04-02  Ian Lance Taylor  <iant@google.com>
11760
11761         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11762         parameters.  Update for new key type to views_.  Change all
11763         callers.
11764         (File_read::read): Adjust for byteshift in returned view.
11765         (File_read::add_view): New function, broken out of
11766         find_and_make_view.
11767         (File_read::make_view): New function, broken out of
11768         find_and_make_view.
11769         (File_read::find_or_make_view): Add offset and aligned
11770         parameters.  Rewrite accordingly.  Change all callers.
11771         (File_read::get_view): Add offset and aligned parameters.  Adjust
11772         for byteshift in return value.
11773         (File_read::get_lasting_view): Likewise.
11774         * fileread.h (class File_read): Update declarations.
11775         (class File_read::View): Add byteshift_ field.  Add byteshift to
11776         constructor.  Add byteshift method.
11777         * archive.h (Archive::clear_uncached_views): New function.
11778         (Archive::get_view): Add aligned parameter.  Change all callers.
11779         * object.h (Object::get_view): Add aligned parameter.  Change all
11780         callers.
11781         (Object::get_lasting_view): Likewise.
11782
11783         * fileread.cc (File_read::release): Don't call clear_views if
11784         there are multiple objects.
11785         * fileread.h (File_read::clear_uncached_views): New function.
11786         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11787         on the archive.
11788
11789 2008-03-31  Cary Coutant  <ccoutant@google.com>
11790
11791         Add thin archive support.
11792         * archive.cc (Archive::armagt): New const.
11793         (Archive::setup): Remove task parameter and calls to unlock.
11794         (Archive::unlock_nested_archives): New function.
11795         (Archive::read_header): Add nested_off parameter. Change
11796         all callers.
11797         (Archive::interpret_header): Likewise.
11798         (Archive::include_all_members): Change to handle thin
11799         archives.
11800         (Archive::include_member): Likewise.
11801         * archive.h (Archive::Archive): Add new parameters and
11802         initializers.
11803         (Archive::armagt): New const.
11804         (Archive::setup): Remove task parameter.
11805         (Archive::unlock_nested_archives): New function.
11806         (Archive::read_header): Add nested_off parameter.
11807         (Archive::interpret_header): Likewise.
11808         (Archive::Nested_archive_table): New typedef.
11809         (Archive::is_thin_archive_): New field.
11810         (Archive::nested_archives_): New field.
11811         (Archive::options_): New field.
11812         (Archive::dirpath_): New field.
11813         (Archive::task_): New field.
11814         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11815         for thin archives.  Pass additional parameters to
11816         Archive::Archive.  Unlock the archive file after calling
11817         Archive::setup.
11818
11819 2008-03-29  Ian Lance Taylor  <iant@google.com>
11820
11821         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11822         version symbol to be local.
11823         * testsuite/ver_test_4.sh: New file.
11824         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11825         (check_DATA): Add ver_test_4.syms.
11826         (ver_test_4.syms): New target.
11827         * testsuite/Makefile.in: Rebuild.
11828
11829         * output.cc
11830         (Output_section::Input_section_sort_entry::has_priority): New
11831         function.
11832         (Output_section::Input_section_sort_entry::match_file_name): New
11833         function.
11834         (Output_section::Input_section_sort_entry::match_section_name):
11835         Remove.
11836         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11837         Remove.
11838         (Output_section::Input_section_sort_entry::match_section_file):
11839         Remove.
11840         (Output_section::Input_section_sort_compare::operator()): Rewrite
11841         using new Input_section_sort_entry functions.  Sort crtbegin and
11842         crtend first.  Sort sections with no priority before sections with
11843         a priority.
11844         * testsuite/initpri1.c (d3): Check j != 4.
11845         (cd5): New constructor/destructor function.
11846         (main): Check j != 2.
11847
11848         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11849         new symbol when resolving, don't call set_is_default.
11850         * testsuite/ver_test_7.cc: New file.
11851         * testsuite/ver_test_7.sh: New file.
11852         * testsuite/Makefile.am (ver_test_7.so): New target.
11853         (ver_test_7.o): New target.
11854         (check_SCRIPTS): Add ver_test_7.sh.
11855         (check_DATA): Add ver_test_7.syms.
11856         (ver_test_7.syms): New target.
11857
11858 2008-03-28  Ian Lance Taylor  <iant@google.com>
11859
11860         * layout.cc (Layout::layout): If we see an input section with a
11861         name that needs sorting, set the must_sort flag for the output
11862         section.
11863         (Layout::make_output_section): If the name of the output section
11864         indicates that it might require sorting, set the may_sort flag.
11865         * output.h (Output_section::may_sort_attached_input_sections): New
11866         function.
11867         (Output_section::set_may_sort_attached_input_sections): New
11868         function.
11869         (Output_section::must_sort_attached_input_sections): New
11870         function.
11871         (Output_section::set_must_sort_attached_input_sections): New
11872         function.
11873         (class Output_section): Declare Input_section_sort_entry.  Define
11874         Input_section_sort_compare.  Declare
11875         sort_attached_input_sections.  Add new fields:
11876         may_sort_attached_input_sections_,
11877         must_sort_attached_input_sections_,
11878         attached_input_sections_are_sorted_.
11879         * output.cc (Output_section::Output_section): Initialize new
11880         fields.
11881         (Output_section::add_input_section): Add an entry to
11882         input_sections_ if may_sort or must_sort are true.
11883         (Output_section::set_final_data_size): Call
11884         sort_attached_input_sections if necessary.
11885         (Output_section::Input_section_sort_entry): Define new class.
11886         (Output_section::Input_section_sort_compare::operator()): New
11887         function.
11888         (Output_section::sort_attached_input_sections): New function.
11889         * configure.ac: Check whether the compiler supports constructor
11890         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11891         * testsuite/initpri1.c: New file.
11892         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11893         CONSTRUCTOR_PRIORITY.
11894         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11895         (initpri1_LDFLAGS): New variable.
11896         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11897
11898 2008-03-27  Ian Lance Taylor  <iant@google.com>
11899
11900         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11901         * testsuite/common_test_1.c: New file.
11902         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11903         (common_test_1_SOURCES): New variable.
11904         (common_test_1_DEPENDENCIES): New variable.
11905         (common_test_1_LDFLAGS): New variable.
11906
11907         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11908         and commons_ correctly when NAME/VERSION does not override
11909         NAME/NULL.
11910         * testsuite/ver_test_6.c: New file.
11911         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11912         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11913         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11914
11915 2008-03-26  Ian Lance Taylor  <iant@google.com>
11916
11917         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11918         of an undefined symbol from a version script.
11919         * testsuite/Makefile.am (ver_test_5.so): New target.
11920         (ver_test_5.o): New target.
11921         (check_SCRIPTS): Add ver_test_5.sh.
11922         (check_DATA): Add ver_test_5.syms.
11923         (ver_test_5.syms): New target.
11924         * testsuite/ver_test_5.cc: New file.
11925         * testsuite/ver_test_5.script: New file.
11926         * testsuite/ver_test_5.sh: New file.
11927         * Makefile.in, testsuite/Makefile.in: Rebuild.
11928
11929         PR gold/5986
11930         Fix problems building gold with gcc 4.3.0.
11931         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11932         (gold_error_at_location, gold_warning_at_location): Use it.
11933         * configure.ac: Check whether we can compile and use a template
11934         function with a printf attribute.
11935         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11936         when jumping over bytes.
11937         * object.cc: Instantiate Object::read_section_data.
11938         * debug.h: Include <cstring>
11939         * dwarf_reader.cc: Include <algorithm>
11940         * main.cc: Include <cstring>.
11941         * options.cc: Include <cstring>.
11942         * output.cc: Include <cstring>.
11943         * script.cc: Include <cstring>.
11944         * script.h: Include <string>.
11945         * symtab.cc: Include <cstring> and <algorithm>.
11946         * target-select.cc: Include <cstring>.
11947         * version.cc: Include <string>.
11948         * testsuite/testmain.cc: Include <cstdlib>.
11949         * configure, config.in: Rebuild.
11950
11951 2008-03-25  Ian Lance Taylor  <iant@google.com>
11952
11953         * options.cc: Include "../bfd/bfdver.h".
11954         (options::help): Print bug reporting address.
11955
11956         * version.cc (print_version): Adjust output for current value of
11957         BFD_VERSION_STRING.
11958
11959         * NEWS: New file.
11960
11961         * options.cc (options::help): Print list of supported targets.
11962         * target-select.h: Include <vector>.
11963         (class Target_selector): Make machine_, size_, and is_big_endian_
11964         fields const.  Add bfd_name_ and instantiated_target_ fields.
11965         (Target_selector::Target_selector): Add bfd_name parameter.
11966         (Target_selector::recognize): Make non-virtual, call
11967         do_recognize.
11968         (Target_selector::recognize_by_name): Make non-virtual, call
11969         do_recognize_by_name.
11970         (Target_selector::supported_names): New function.
11971         (Target_selector::bfd_name): New function.
11972         (Target_selector::do_instantiate_target): New pure virtual
11973         function.
11974         (Target_selector::do_recognize): New virtual function.
11975         (Target_selector::do_recognize_by_name): New virtual function.
11976         (Target_selector::instantiate_target): New private function.
11977         (supported_target_names): Declare.
11978         * target-select.cc (Target_selector::Target_selector): Update for
11979         new parameter and fields.
11980         (select_target_by_name): Check that the name matches before
11981         calling recognize_by_name.
11982         (supported_target_names): New function.
11983         * i386.cc (class Target_selector_i386): Update Target_selector
11984         constructor call.  Remove recognize and recognize_by_name.  Add
11985         do_instantiate_target.
11986         * x86_64.cc (class Target_selector_x86_64): Likewise.
11987         * testsuite/testfile.cc (class Target_selector_test): Update for
11988         changes to Target_selector.
11989
11990         * README: Rewrite, with some notes on unsupported features.
11991
11992 2008-03-24  Cary Coutant  <ccoutant@google.com>
11993
11994         * i386.cc (Target_i386::Got_type): New enum declaration.
11995         (Target_i386::Scan::local): Updated callers of Output_data_got
11996         member functions.
11997         (Target_i386::Scan::global): Likewise.
11998         (Target_i386::Relocate::relocate): Likewise.
11999         (Target_i386::Relocate::relocate_tls): Likewise.
12000         * object.h (Got_offset_list): New class.
12001         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12002         (Sized_relobj::local_got_offset): Likewise.
12003         (Sized_relobj::set_local_got_offset): Likewise.
12004         (Sized_relobj::local_has_tls_got_offset): Removed.
12005         (Sized_relobj::local_tls_got_offset): Removed.
12006         (Sized_relobj::set_local_tls_got_offset): Removed.
12007         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12008         * output.cc (Output_data_got::add_global): Added got_type parameter.
12009         (Output_data_got::add_global_with_rel): Likewise.
12010         (Output_data_got::add_global_with_rela): Likewise.
12011         (Output_data_got::add_global_pair_with_rel): New function.
12012         (Output_data_got::add_global_pair_with_rela): New function.
12013         (Output_data_got::add_local): Added got_type parameter.
12014         (Output_data_got::add_local_with_rel): Likewise.
12015         (Output_data_got::add_local_with_rela): Likewise.
12016         (Output_data_got::add_local_pair_with_rel): New function.
12017         (Output_data_got::add_local_pair_with_rela): New function.
12018         (Output_data_got::add_global_tls): Removed.
12019         (Output_data_got::add_global_tls_with_rel): Removed.
12020         (Output_data_got::add_global_tls_with_rela): Removed.
12021         (Output_data_got::add_local_tls): Removed.
12022         (Output_data_got::add_local_tls_with_rel): Removed.
12023         (Output_data_got::add_local_tls_with_rela): Removed.
12024         * output.h (Output_data_got::add_global): Added got_type parameter.
12025         (Output_data_got::add_global_with_rel): Likewise.
12026         (Output_data_got::add_global_with_rela): Likewise.
12027         (Output_data_got::add_global_pair_with_rel): New function.
12028         (Output_data_got::add_global_pair_with_rela): New function.
12029         (Output_data_got::add_local): Added got_type parameter.
12030         (Output_data_got::add_local_with_rel): Likewise.
12031         (Output_data_got::add_local_with_rela): Likewise.
12032         (Output_data_got::add_local_pair_with_rel): New function.
12033         (Output_data_got::add_local_pair_with_rela): New function.
12034         (Output_data_got::add_global_tls): Removed.
12035         (Output_data_got::add_global_tls_with_rel): Removed.
12036         (Output_data_got::add_global_tls_with_rela): Removed.
12037         (Output_data_got::add_local_tls): Removed.
12038         (Output_data_got::add_local_tls_with_rel): Removed.
12039         (Output_data_got::add_local_tls_with_rela): Removed.
12040         * resolve.cc (Symbol::override_base_with_special): Removed
12041         reference to has_got_offset_ field.
12042         * symtab.cc (Symbol::init_fields): Replaced initialization
12043         of got_offset_ with got_offsets_.  Removed initialization
12044         of has_got_offset_
12045         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12046         (Symbol::got_offset): Likewise.
12047         (Symbol::set_got_offset): Likewise.
12048         (Symbol::has_tls_got_offset): Removed.
12049         (Symbol::tls_got_offset): Removed.
12050         (Symbol::set_tls_got_offset): Removed.
12051         (Symbol::got_offset_): Removed.
12052         (Symbol::tls_mod_got_offset_): Removed.
12053         (Symbol::tls_pair_got_offset_): Removed.
12054         (Symbol::got_offsets_): New field.
12055         (Symbol::has_got_offset): Removed.
12056         (Symbol::has_tls_mod_got_offset): Removed.
12057         (Symbol::has_tls_pair_got_offset): Removed.
12058         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12059         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12060         member functions.
12061         (Target_x86_64::Scan::global): Likewise.
12062         (Target_x86_64::Relocate::relocate): Likewise.
12063         (Target_x86_64::Relocate::relocate_tls): Likewise.
12064
12065 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12066
12067         * yyscript.y: Fix spelling error in comment.
12068
12069 2008-03-24  Ian Lance Taylor  <iant@google.com>
12070
12071         * options.h (class General_options): Define build_id option.
12072         * layout.h (class Layout): Declare write_build_id, create_note,
12073         create_build_id.  Add build_id_note_ member.
12074         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12075         "libiberty.h", "md5.h", "sha1.h".
12076         (Layout::Layout): Initialize eh_frame_data_,
12077         eh_frame_hdr_section_, and build_id_note_.
12078         (Layout::finalize): Call create_build_id.
12079         (Layout::create_note): New function, broken out of
12080         Layout::create_gold_note.
12081         (Layout::create_gold_note): Call create_note.
12082         (Layout::create_build_id): New function.
12083         (Layout::write_build_id): New function.
12084         (Close_task_runner::run): Call write_build_id.
12085
12086         * x86_64.cc: Correct license to GPLv3.
12087
12088 2008-03-23  Ian Lance Taylor  <iant@google.com>
12089
12090         * options.cc: Include "demangle.h".
12091         (parse_optional_string): New function.
12092         (parse_long_option): Handle takes_optional_argument.
12093         (parse_short_option): Update dash_z initializer.  Handle
12094         takes_optional_argument.
12095         (General_options::General_options): Initialize do_demangle_.
12096         (General_options::finalize): Set do_demangle_.  Handle demangling
12097         style.
12098         * options.h (parse_optional_string): Declare.
12099         (struct One_option): Add optional_arg field.  Update constructor.
12100         Update call constructor calls.  Add takes_optional_argument
12101         function.
12102         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12103         (DEFINE_optional_string): Define.
12104         (General_options::demangle): Change from DEFINE_bool to
12105         DEFINE_optional_string.
12106         (General_options::no_demangle): New function.
12107         (General_options::do_demangle): New function.
12108         (General_options::set_do_demangle): New function.
12109         (General_options::execstack_status_): Move definition to end of
12110         class definition.
12111         (General_options::static_): Likewise.
12112         (General_options::do_demangle_): New field.
12113         * object.cc (big_endian>::get_symbol_location_info): Call
12114         Options::do_demangle, not Options::demangle.
12115         * symtab.cc (demangle): Likewise.
12116
12117 2008-03-22  Ian Lance Taylor  <iant@google.com>
12118
12119         * gold.h: Include <cstddef> and <sys/types.h>
12120         * options.h: Include <cstring>.
12121
12122 2008-03-21  Ian Lance Taylor  <iant@google.com>
12123
12124         * Added source code to GNU binutils.