gold/ChangeLog

   1 2011-10-03   Diego Novillo  <dnovillo@google.com>
   2
   3         * options.cc (parse_uint): Fix dereference of RETVAL.
   4
   5 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
   6
   7         * layout.h (section_order_map_): New member.
   8         (get_section_order_map): New member function.
   9         * output.cc (Output_section::add_input_section): Check for patterns
  10         only when --section-ordering-file is specified.
  11         * gold.cc (queue_middle_tasks): Delay updating order of sections till
  12         output_sections have been formed.
  13         * layout.cc (Layout_Layout): Initialize section_order_map_.
  14         * plugin.cc (update_section_order): Store order in order_map. Do not
  15         update the order.
  16         * testsuite/Makefile.am: Add test case for plugin_final_layout.
  17         * testsuite/Makefile.in: Regenerate.
  18         * testsuite/plugin_section_order.c: New file.
  19         * testsuite/plugin_final_layout.cc: New file.
  20         * testsuite/plugin_final_layout.sh: New file.
  21
  22 2011-09-29  Cary Coutant  <ccoutant@google.com>
  23
  24         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
  25         Check for NULL.
  26         * gold/symtab.cc (Symbol_table::add_from_relobj): Ignore version
  27         symbols during incremental update.
  28         (Symbol_table::add_from_dynobj): Likewise.
  29
  30 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  31             Ian Lance Taylor  <iant@google.com>
  32
  33         * symtab.cc (Symbol_table::define_special_symbol): Always
  34         canonicalize version string.
  35
  36 2011-09-26  Cary Coutant  <ccoutant@google.com>
  37
  38         * gold/gold.cc (queue_initial_tasks): Move option checks ...
  39         * gold/options.cc (General_options::finalize): ... to here. Disable
  40         some options; make others fatal.
  41
  42 2011-09-26  Cary Coutant  <ccoutant@google.com>
  43
  44         gcc PR lto/47247
  45         * plugin.cc (get_symbols_v2): New function.
  46         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
  47         (is_referenced_from_outside): New function.
  48         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
  49         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
  50         (get_symbols): Pass version parameter.
  51         (get_symbols_v2): New function.
  52         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
  53         parameter.
  54         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
  55         (onload): Add LDPT_GET_SYMBOLS_V2.
  56         (all_symbols_read_hook): Use get_symbols_v2; check for
  57         LDPR_PREVAILING_DEF_IRONLY_EXP.
  58         * testsuite/plugin_test_3.sh: Update expected results.
  59
  60 2011-09-23  Simon Baldwin  <simonb@google.com>
  61
  62         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
  63         configuration options.
  64         * configure: Regenerate.
  65         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
  66         * Makefile.in: Regenerate.
  67         * testsuite/Makefile.in: Regenerate.
  68
  69 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
  70
  71         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
  72
  73 2011-09-19  Cary Coutant  <ccoutant@google.com>
  74
  75         * incremental.cc (can_incremental_update): Fix typo in comment.
  76         * incremental.h (can_incremental_update): Likewise.
  77
  78 2011-09-18  Cary Coutant  <ccoutant@google.com>
  79
  80         * incremental.cc (can_incremental_update): New function.
  81         * incremental.h (can_incremental_update): New function.
  82         * layout.cc (Layout::init_fixed_output_section): Call it.
  83         (Layout::make_output_section): Don't allow patch space in .eh_frame.
  84         * object.cc (Sized_relobj_file::do_layout): Call
  85         can_incremental_update.
  86
  87 2011-09-13  Cary Coutant  <ccoutant@google.com>
  88
  89         * configure.ac: Check for glibc support for gnu_indirect_function
  90         support with static linking, setting automake conditional
  91         IFUNC_STATIC.
  92         * Makefile.in: Regenerate.
  93         * configure: Regenerate.
  94
  95         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
  96         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
  97         for IFUNC_STATIC.
  98         * testsuite/Makefile.in: Regenerate.
  99
 100 2011-09-13  Cary Coutant  <ccoutant@google.com>
 101
 102         * incremental.cc (Sized_relobj_incr::do_layout): Call
 103         report_comdat_group for kept comdat sections.
 104         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 105         * testsuite/Makefile.in: Regenerate.
 106         * testsuite/incr_comdat_test_1.cc: New source file.
 107         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 108         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 109         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 110
 111 2011-09-13  Ian Lance Taylor  <iant@google.com>
 112
 113         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 114         variable external_symbols_offset.
 115
 116 2011-09-12  Ian Lance Taylor  <iant@google.com>
 117
 118         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 119         triggered if object has no symbols.
 120
 121 2011-09-09  David S. Miller  <davem@davemloft.net>
 122
 123         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 124         (Output_fill_debug_line::do_write): Likewise.
 125
 126 2011-08-29  Cary Coutant  <ccoutant@google.com>
 127
 128         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 129         casts to match formatting specs.
 130         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 131
 132 2011-08-26  Cary Coutant  <ccoutant@google.com>
 133
 134         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 135         remaining hole size when allocating.
 136         (Layout::make_output_section): Set fill methods for debug sections.
 137         * layout.h (Free_list::Free_list_node): Move from private to
 138         public.
 139         (Free_list::set_min_hole_size): New function.
 140         (Free_list::begin, Free_list::end): New functions.
 141         (Free_list::min_hole_): New data member.
 142         * output.cc: Include dwarf.h.
 143         (Output_fill_debug_info::do_minimum_hole_size): New function.
 144         (Output_fill_debug_info::do_write): New function.
 145         (Output_fill_debug_line::do_minimum_hole_size): New function.
 146         (Output_fill_debug_line::do_write): New function.
 147         (Output_section::Output_section): Initialize new data member.
 148         (Output_section::set_final_data_size): Ensure patch space is larger
 149         than minimum hole size.
 150         (Output_section::do_write): Fill holes in debug sections.
 151         * output.h (Output_fill): New class.
 152         (Output_fill_debug_info): New class.
 153         (Output_fill_debug_line): New class.
 154         (Output_section::set_free_space_fill): New function.
 155         (Output_section::free_space_fill_): New data member.
 156         * testsuite/Makefile.am (incremental_test_3): Add
 157         --incremental-patch option.
 158         (incremental_test_4): Likewise.
 159         (incremental_test_5): Likewise.
 160         (incremental_test_6): Likewise.
 161         (incremental_copy_test): Likewise.
 162         (incremental_common_test_1): Likewise.
 163         * testsuite/Makefile.in: Regenerate.
 164
 165 2011-08-26  Nick Clifton  <nickc@redhat.com>
 166
 167         * po/es.po: Updated Spanish translation.
 168
 169 2011-08-01  Cary Coutant  <ccoutant@google.com>
 170
 171         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 172         * gold/testsuite/Makefile.in: Regenerate.
 173         * gold/testsuite/justsyms_exec.c: New source file.
 174         * gold/testsuite/justsyms_lib.c: New source file.
 175
 176 2011-08-01  Cary Coutant  <ccoutant@google.com>
 177
 178         * layout.cc (Layout::set_segment_offsets): Don't realign text
 179         segment if -Ttext was specified.
 180         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 181         file type.
 182         * object.h (Sized_relobj_file::e_type): New function.
 183         (Sized_relobj_file::e_type_): New data member.
 184         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 185         base address for ET_EXEC files.
 186         * target.cc (Target::do_make_elf_object_implementation): Allow
 187         ET_EXEC files with --just-symbols option.
 188
 189 2011-07-28  Cary Coutant  <ccoutant@google.com>
 190
 191         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 192         Add thread_number parameter.
 193         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 194         * workqueue-threads.cc
 195         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 196         current thread if its thread number is greater than desired thread
 197         count.
 198         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 199         Add thread_number parameter.
 200         (Workqueue::should_cancel_thread): Likewise.
 201         (Workqueue::find_runnable_or_wait): Pass thread_number to
 202         should_cancel_thread.
 203         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 204         parameter.
 205
 206 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 207
 208         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 209         only after checking if it cannot be forced local.
 210         * symtab.h (is_externally_visible): Check if the symbol is not forced
 211         local.
 212
 213 2011-07-15  Ian Lance Taylor  <iant@google.com>
 214
 215         * options.h (class General_options): Add --print-output-format.
 216         Move -EL next to -EB, for  better --help output.
 217         * target-select.cc: Include <cstdio>, "options.h", and
 218         "parameters.h".
 219         (Target_selector::do_target_bfd_name): New function.
 220         (print_output_format): New function.
 221         * target-select.h (class Target_selector): Update declarations.
 222         (Target_selector::target_bfd_name): New function.
 223         (print_output_format): Declare.
 224         * main.cc: Include "target-select.h".
 225         (main): Handle --print-output-format.
 226         * gold.cc: Include "target-select.h".
 227         (queue_initial_tasks): Handle --print-output-format when there are
 228         no input files.
 229         * parameters.cc (parameters_force_valid_target): Give a better
 230         error message if -EB/-EL does not match target.
 231         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 232         function.
 233
 234 2011-07-15  Ian Lance Taylor  <iant@google.com>
 235
 236         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 237         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 238         (Output_data_plt_i386::do_write): Write address of .dynamic
 239         section to first entry in .got.plt section.
 240         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 241         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 242         Initialize layout_.
 243         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 244         section to first entry in .got.plt section.
 245         * layout.h (Layout::dynamic_section): New function.
 246
 247 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 248
 249         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 250         to claim_file call.
 251         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 252         input_section_position_, and input_section_glob_.
 253         (read_layout_from_file): Call function section_ordering_specified.
 254         * layout.h (is_section_ordering_specified): New function.
 255         (section_ordering_specified): New function.
 256         (section_ordering_specified_): New boolean member.
 257         * main.cc(main): Call load_plugins after layout object is defined.
 258         * output.cc (Output_section::add_input_section): Use
 259         function section_ordering_specified to check if section ordering is
 260         needed.
 261         * output.cc (Output_section::add_relaxed_input_section): Use
 262         function section_ordering_specified to check if section ordering is
 263         needed.
 264         (Output_section::update_section_layout): New function.
 265         (Output_section::sort_attached_input_sections): Check if input section
 266         must be reordered.
 267         * output.h (Output_section::update_section_layout): New function.
 268         * plugin.cc (get_section_count): New function.
 269         (get_section_type): New function.
 270         (get_section_name): New function.
 271         (get_section_contents): New function.
 272         (update_section_order): New function.
 273         (allow_section_ordering): New function.
 274         (Plugin::load): Add the new interfaces to the transfer vector.
 275         (Plugin_manager::load_plugins): New parameter.
 276         (Plugin_manager::all_symbols_read): New parameter.
 277         (Plugin_manager::claim_file): New parameter. Save the elf object for
 278         unclaimed objects.
 279         (Plugin_manager::get_elf_object): New function.
 280         (Plugin_manager::get_view): Change to directly use the bool to check
 281         if get_view is called from claim_file_hook.
 282         * plugin.h (input_objects): New function
 283         (Plugin__manager::load_plugins): New parameter.
 284         (Plugin_manager::claim_file): New parameter.
 285         (Plugin_manager::get_elf_object): New function.
 286         (Plugin_manager::in_claim_file_handler): New function.
 287         (Plugin_manager::in_claim_file_handler_): New member.
 288         (layout): New function.
 289         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 290         handler with an extra parameter. Make the elf object before calling
 291         claim_file handler.
 292         * testsuite/plugin_test.c (get_section_count): New function pointer.
 293         (get_section_type): New function pointer.
 294         (get_section_name): New function pointer.
 295         (get_section_contents): New function pointer.
 296         (update_section_order): New function pointer.
 297         (allow_section_ordering): New function pointer.
 298         (onload): Check if the new interfaces exist.
 299
 300 2011-07-13  Ian Lance Taylor  <iant@google.com>
 301
 302         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 303         relro section.
 304         * x86_64.cc (Target_x86_64::got_section): Likewise.
 305         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 306         (relro_now_test_SOURCES): New variable.
 307         (relro_now_test_DEPENDENCIES): New variable.
 308         (relro_now_test_LDFLAGS): New variable.
 309         (relro_now_test_LDADD): New variable.
 310         (relro_now_test.so): New target.
 311         * testsuite/Makefile.in: Rebuild.
 312
 313 2011-07-12  Ian Lance Taylor  <iant@google.com>
 314
 315         PR gold/12980
 316         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 317         GLOB_DAT relocation rather than a RELATIVE relocation for a
 318         protected symbol when creating a shared library.
 319         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 320         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 321         * testsuite/protected_main_1.cc (main): Test that protected
 322         function has same address.
 323
 324 2011-07-11  Ian Lance Taylor  <iant@google.com>
 325
 326         PR gold/12979
 327         * options.h (class General_options): Add -Bgroup.
 328         * options.cc (General_options::finalize): If -Bgroup is set,
 329         default to --unresolved-symbols=report-all.
 330         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 331         * target-reloc.h (issue_undefined_symbol_error): Handle
 332         --unresolved-symbols=report-all.
 333
 334 2011-07-08  Ian Lance Taylor  <iant@google.com>
 335
 336         PR gold/11985
 337         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 338         if linker script discards key sections.
 339         (Layout::create_dynamic_symtab): Likewise.
 340         (Layout::assign_local_dynsym_offsets): Likewise.
 341         (Layout::sized_create_version_sections): Likewise.
 342         (Layout::create_interp): Likewise.
 343         (Layout::finish_dynamic_section): Likewise.
 344         (Layout::set_dynamic_symbol_size): Likewise.
 345
 346 2011-07-08  Ian Lance Taylor  <iant@google.com>
 347
 348         PR gold/12386
 349         * options.h (class General_options): Add --unresolved-symbols.
 350         * target-reloc.h (issue_undefined_symbol_error): Check
 351         --unresolved-symbols.  Add comments.
 352
 353 2011-07-08  Ian Lance Taylor  <iant@google.com>
 354
 355         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 356         expression more complex.
 357
 358 2011-07-08  Ian Lance Taylor  <iant@google.com>
 359
 360         PR gold/11317
 361         * target-reloc.h (issue_undefined_symbol_error): New inline
 362         function, broken out of relocate_section.
 363         (relocate_section): Call issue_undefined_symbol_error.
 364         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 365         there is no TLS segment if we are about to issue an undefined
 366         symbol error.
 367         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 368
 369 2011-07-08  Ian Lance Taylor  <iant@google.com>
 370
 371         PR gold/12279
 372         * resolve.cc (Symbol_table::should_override): Add fromtype
 373         parameter.  Change all callers.  Give error when linking together
 374         TLS and non-TLS symbol.
 375         (Symbol_table::should_override_with_special): Add fromtype
 376         parameter.  Change all callers.
 377         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 378         there is no TLS segment if we have reported some errors.
 379         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 380
 381 2011-07-08  Ian Lance Taylor  <iant@google.com>
 382
 383         PR gold/12372
 384         * target.h (Target::plt_address_for_global): New function.
 385         (Target::plt_address_for_local): New function.
 386         (Target::plt_section_for_global): Remove.
 387         (Target::plt_section_for_local): Remove.
 388         (Target::do_plt_address_for_global): New virtual function.
 389         (Target::do_plt_address_for_local): New virtual function.
 390         (Target::do_plt_section_for_global): Remove.
 391         (Target::do_plt_section_for_local): Remove.
 392         (Target::register_global_plt_entry): Add Symbol_table and Layout
 393         parameters.
 394         * output.cc (Output_data_got::Got_entry::write): Use
 395         plt_address_for_global and plt_address_for_local.
 396         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 397         address of output section.
 398         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 399         got_irelative_, and irelative_count_ fields.  Update
 400         declarations.
 401         (Output_data_plt_i386::has_irelative_section): New function.
 402         (Output_data_plt_i386::entry_count): Add irelative_count_.
 403         (Output_data_plt_i386::set_final_data_size): Likewise.
 404         (class Target_i386): Add got_irelative_ and rel_irelative_
 405         fields.  Update declarations.
 406         (Target_i386::Target_i386): Initialize new fields.
 407         (Target_i386::do_plt_address_for_global): New function replacing
 408         do_plt_section_for_global.
 409         (Target_i386::do_plt_address_for_local): New function replacing
 410         do_plt_section_for_local.
 411         (Target_i386::got_section): Create got_irelative_.
 412         (Target_i386::rel_irelative_section): New function.
 413         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 414         fields.  Don't define __rel_iplt_{start,end}.
 415         (Output_data_plt_i386::add_entry): Add symtab and layout
 416         parameters.  Change all callers.  Use different PLT and GOT for
 417         IFUNC symbols.
 418         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 419         layout parameters.  Change all callers.  Use different PLT and
 420         GOT.
 421         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 422         (Output_data_plt_i386::rel_irelative): New function.
 423         (Output_data_plt_i386::address_for_global): New function.
 424         (Output_data_plt_i386::address_for_local): New function.
 425         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 426         IRELATIVE GOT when changing IFUNC GOT entries.
 427         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 428         reloc.
 429         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 430         if we didn't create an IRELATIVE GOT.
 431         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 432         plt_address_for_local.
 433         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 434         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 435         got_irelative_, and irelative_count_ fields.  Update
 436         declarations.
 437         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 438         Initialize new fields.  Remove symtab parameter.  Change all
 439         callers.
 440         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 441         irelative_count_.
 442         (Output_data_plt_x86_64::has_irelative_section): New function.
 443         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 444         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 445         fields.  Update declarations.
 446         (Target_x86_64::Target_x86_64): Initialize new fields.
 447         (Target_x86_64::do_plt_address_for_global): New function replacing
 448         do_plt_section_for_global.
 449         (Target_x86_64::do_plt_address_for_local): New function replacing
 450         do_plt_section_for_local.
 451         (Target_x86_64::got_section): Create got_irelative_.
 452         (Target_x86_64::rela_irelative_section): New function.
 453         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 454         all callers.  Don't create __rel_iplt_{start,end}.
 455         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 456         parameters.  Change all callers.  Use different PLT and GOT for
 457         IFUNC symbols.
 458         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 459         layout parameters.  Change all callers.  Use different PLT and
 460         GOT.
 461         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 462         parameters.  Change all callers.  Use different PLT and GOT for
 463         IFUNC symbols.
 464         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 465         (Output_data_plt_x86_64::rela_irelative): New function.
 466         (Output_data_plt_x86_64::address_for_global): New function.
 467         (Output_data_plt_x86_64::address_for_local): New function.
 468         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 469         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 470         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 471         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 472         parameters.
 473         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 474         reloc.
 475         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 476         symbols if we didn't create an IRELATIVE GOT.
 477         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 478         plt_address_for_local.
 479         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 480         * testsuite/ifuncvar1.c: New test file.
 481         * testsuite/ifuncvar2.c: New test file.
 482         * testsuite/ifuncvar3.c: New test file.
 483         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 484         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 485         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 486         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 487         * testsuite/Makefile.in: Rebuild.
 488
 489 2011-07-07  Cary Coutant  <ccoutant@google.com>
 490
 491         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 492         (two_file_test_1_ndebug.o): Likewise.
 493         (two_file_test_1b_ndebug.o): Likewise.
 494         (two_file_test_2_ndebug.o): Likewise.
 495         (two_file_test_main_ndebug.o): Likewise.
 496         (incremental_test_2): Link with no-debug versions.
 497
 498 2011-07-06  Cary Coutant  <ccoutant@google.com>
 499
 500         * gold/incremental.cc
 501         (Output_section_incremental_inputs::write_info_blocks): Check for
 502         hidden and internal symbols.
 503
 504 2011-07-06  Cary Coutant  <ccoutant@google.com>
 505
 506         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 507         Check disposition for startup file.
 508         (Incremental_inputs::report_command_line): Ignore
 509         --incremental-startup-unchanged option.
 510         * options.cc (General_options::parse_incremental_startup_unchanged):
 511         New function.
 512         (General_options::General_options): Initialize new data member.
 513         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 514         (General_options): Add --incremental-startup-unchanged option.
 515         (General_options::incremental_startup_disposition): New function.
 516         (General_options::incremental_startup_disposition_): New data member.
 517
 518 2011-07-06  Cary Coutant  <ccoutant@google.com>
 519
 520         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 521         input file index to Script_info ctor.
 522         (Sized_incremental_binary::do_file_has_changed): Find the
 523         command-line argument for files named in scripts.
 524         * incremental.h (Script_info::Script_info): New ctor
 525         with input file index.
 526         (Script_info::input_file_index): New function.
 527         (Script_info::input_file_index_): New data member.
 528         (Incremental_binary::get_library): Add const.
 529         (Incremental_binary::get_script_info): Add const.
 530         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 531         * testsuite/Makefile.am (incremental_test_5): New test case.
 532         (incremental_test_6): New test case.
 533         * testsuite/Makefile.in: Regenerate.
 534
 535 2011-07-06  Cary Coutant  <ccoutant@google.com>
 536
 537         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 538         debug output when command lines differ.
 539
 540 2011-07-06  Cary Coutant  <ccoutant@google.com>
 541
 542         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 543         --incremental-patch option.
 544         * layout.cc (Free_list::allocate): Extend allocation beyond original
 545         end if enabled.
 546         (Layout::make_output_section): Mark sections that should get
 547         patch space.
 548         * options.cc (parse_percent): New function.
 549         * options.h (parse_percent): New function.
 550         (DEFINE_percent): New macro.
 551         (General_options): Add --incremental-patch option.
 552         * output.cc (Output_section::Output_section): Initialize new data
 553         members.
 554         (Output_section::add_input_section): Print section name when out
 555         of patch space.
 556         (Output_section::add_output_section_data): Likewise.
 557         (Output_section::set_final_data_size): Add patch space when
 558         doing --incremental-full.
 559         (Output_section::do_reset_address_and_file_offset): Remove patch
 560         space.
 561         (Output_segment::set_section_list_addresses): Print debug output
 562         only if --incremental-update.
 563         * output.h (Output_section::set_is_patch_space_allowed): New function.
 564         (Output_section::is_patch_space_allowed_): New data member.
 565         (Output_section::patch_space_): New data member.
 566         * parameters.cc (Parameters::incremental_full): New function.
 567         * parameters.h (Parameters::incremental_full): New function
 568         * testsuite/Makefile.am (incremental_test_2): Add test for
 569         --incremental-patch option.
 570         * testsuite/Makefile.in: Regenerate.
 571         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 572         (t18): Remove function body.
 573
 574 2011-07-05  Doug Kwan  <dougkwan@google.com>
 575
 576         PR gold/12771
 577         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 578         Arm_Address type for relocation result.
 579         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 580         overflow check.
 581         (Arm_relocate_functions::abs32): Use unaligned access.
 582         (Arm_relocate_functions::rel32): Ditto.
 583         (Arm_relocate_functions::prel31): Ditto.
 584         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 585         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 586         static data relocations.
 587         * testsuite/Makefile.in: Regnerate.
 588         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 589
 590 2011-07-05  Ian Lance Taylor  <iant@google.com>
 591
 592         PR gold/12392
 593         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 594         symbols if necessary.
 595         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 596
 597 2011-07-05  Ian Lance Taylor  <iant@google.com>
 598
 599         PR gold/12952
 600         * resolve.cc (Symbol::override_base_with_special): Simply override
 601         version with special symbol version, ignoring previous version.
 602
 603 2011-07-05  Ian Lance Taylor  <iant@google.com>
 604
 605         * object.cc (Sized_relobj_file::include_section_group): Add
 606         information to comment about signature location.
 607
 608 2011-07-02  Ian Lance Taylor  <iant@google.com>
 609
 610         PR gold/12957
 611         * options.h (class General_options): Add -f and -F.
 612         * options.cc (General_options::finalize): Fatal error if -f/-F
 613         are used without -shared.
 614         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 615
 616 2011-07-02  Ian Lance Taylor  <iant@google.com>
 617
 618         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 619
 620 2011-07-01  Ian Lance Taylor  <iant@google.com>
 621
 622         PR gold/12525
 623         PR gold/12952
 624         * resolve.cc (Symbol::override_base_with_special): Don't override
 625         the version if the overriding symbol has a different name.
 626         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 627         all callers.  If we give an error about an undefined version,
 628         define the base version if necessary.
 629         * dynobj.h (class Versions): Update declaration.
 630         * testsuite/weak_alias_test_5.cc: New file.
 631         * testsuite/weak_alias_test.script: New file.
 632         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 633         and versioned_alias have the right value, and call t2.
 634         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 635         weak_alias_test_5.so.
 636         (weak_alias_test_LDADD): Likewise.
 637         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 638         * testsuite/Makefile.in: Rebuild.
 639
 640 2011-07-01  Ian Lance Taylor  <iant@google.com>
 641
 642         PR gold/12525
 643         * options.h (class General_options): Support -z notext.
 644         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 645         -Wl,-z,notext.
 646         (two_file_shared_nonpic.so): Likewise.
 647         (two_file_shared_mixed.so): Likewise.
 648         (two_file_shared_mixed_1.so): Likewise.
 649         (weak_undef_lib_nonpic.so): Likewise.
 650         (alt/weak_undef_lib_nonpic.so): Likewise.
 651         (tls_test_shared_nonpic.so): Likewise.
 652         * testsuite/Makefile.in: Rebuild.
 653
 654 2011-07-01  Ian Lance Taylor  <iant@google.com>
 655
 656         PR gold/12525
 657         * configure.ac: Test whether static linking works, setting
 658         the automake conditional HAVE_STATIC.
 659         * testsuite/Makefile.am: Disable tests using -static if
 660         HAVE_STATIC is not true.
 661         * configure, testsuite/Makefile.in: Rebuild.
 662
 663 2011-07-01  Ian Lance Taylor  <iant@google.com>
 664
 665         PR gold/12525
 666         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 667         Assert if we see DW_EH_PE_indirect.
 668         * target.h (Target::ehframe_datarel_base): New function.
 669         (Target::do_ehframe_datarel_base): New target function.
 670         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 671         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 672         function.
 673
 674 2011-07-01  Ian Lance Taylor  <iant@google.com>
 675
 676         PR gold/12571
 677         * options.h (class General_options): Add
 678         --ld-generated-unwind-info.
 679         * ehframe.cc (Fde::write): Add address parameter.  Change all
 680         callers.  If associated with PLT, fill in address and size.
 681         (Cie::set_output_offset): Only add merge mapping if there is an
 682         object.
 683         (Cie::write): Add address parameter.  Change all callers.
 684         (Eh_frame::add_ehframe_for_plt): New function.
 685         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 686         input_offset_ fields into union u_, with new plt field.
 687         (Fde::Fde): Adjust for new union field.
 688         (Fde::Fde) [Output_data version]: New constructor.
 689         (Fde::add_mapping): Only add merge mapping if there is an object.
 690         (class Cie): Update declarations.
 691         (class Eh_frame): Declare add_ehframe_for_plt.
 692         * layout.cc (Layout::layout_eh_frame): Break out code into
 693         make_eh_frame_section, and call it.
 694         (Layout::make_eh_frame_section): New function.
 695         (Layout::add_eh_frame_for_plt): New function.
 696         * layout.h (class Layout): Update declarations.
 697         * merge.cc (Merge_map::add_mapping): Add assertion.
 698         * i386.cc: Include "dwarf.h".
 699         (class Output_data_plt_i386): Make first_plt_entry,
 700         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 701         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 702         and plt_eh_frame_fde.
 703         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 704         boundary.  Call add_eh_frame_for_plt if appropriate.
 705         * x86_64.cc: Include "dwarf.h".
 706         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 707         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 708         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 709         and plt_eh_frame_fde.
 710         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 711         appropriate.
 712
 713 2011-06-29  Ian Lance Taylor  <iant@google.com>
 714
 715         PR gold/12629
 716         * object.cc (Sized_relobj_file::layout_section): Change shdr
 717         parameter to be const.
 718         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 719         out of do_layout.
 720         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 721         appropriate.  Call layout_eh_frame_section.
 722         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 723         sections.
 724         * object.h (class Sized_relobj_file): Update declarations.
 725
 726 2011-06-29  Ian Lance Taylor  <iant@google.com>
 727
 728         PR gold/12652
 729         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 730         modifier.
 731         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 732
 733 2011-06-29  Ian Lance Taylor  <iant@google.com>
 734
 735         PR gold/12675
 736         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 737         SHT_X86_64_UNWIND.
 738         * layout.cc (Layout::layout_eh_frame): Likewise.
 739
 740 2011-06-29  Ian Lance Taylor  <iant@google.com>
 741
 742         PR gold/12695
 743         * layout.cc (Layout::symtab_section_shndx): New function.
 744         * layout.h (class Layout): Declare symtab_section_shndx.
 745         * output.cc (Output_section::write_header): Call it.
 746
 747 2011-06-29  Ian Lance Taylor  <iant@google.com>
 748
 749         PR gold/12818
 750         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 751         symbols which are not used in a relocation.
 752
 753 2011-06-28  Ian Lance Taylor  <iant@google.com>
 754
 755         PR gold/12898
 756         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 757         script create indistinguishable segments.
 758         (Layout::set_segment_offsets): Use stable_sort when sorting
 759         segments.  Pass this to Compare_segments constructor.
 760         * layout.h (class Layout): Make segment_precedes non-static.
 761         (class Compare_segments): Change from struct to class.  Add
 762         layout_ field.  Add constructor.
 763         * script-sections.cc
 764         (Script_sections::attach_sections_using_phdrs_clause): Rename
 765         local orphan to is_orphan.  Don't report failure to put empty
 766         section in segment.  On attachment failure, report name of
 767         section, and attach to first PT_LOAD segment.
 768
 769 2011-06-28  Ian Lance Taylor  <iant@google.com>
 770
 771         PR gold/12934
 772         * target-select.cc (Target_selector::Target_selector): Add
 773         emulation parameter.  Change all callers.
 774         (select_target_by_bfd_name): Rename from select_target_by_name.
 775         Change all callers.
 776         (select_target_by_emulation): New function.
 777         (supported_emulation_names): New function.
 778         * target-select.h (class Target_selector): Add emulation_ field.
 779         Update declarations.
 780         (Target_selector::recognize_by_bfd_name): Rename from
 781         recognize_by_name.  Change all callers.
 782         (Target_selector::supported_bfd_names): Rename from
 783         supported_names.  Change all callers.
 784         (Target_selector::recognize_by_emulation): New function.
 785         (Target_selector::supported_emulations): New function.
 786         (Target_selector::emulation): New function.
 787         (Target_selector::do_recognize_by_bfd_name): Rename from
 788         do_recognize_by_name.  Change all callers.
 789         (Target_selector::do_supported_bfd_names): Rename from
 790         do_supported_names.  Change all callers.
 791         (Target_selector::do_recognize_by_emulation): New function.
 792         (Target_selector::do_supported_emulations): New function.
 793         (select_target_by_bfd_name): Change name in declaration.
 794         (select_target_by_emulation): Declare.
 795         (supported_emulation_names): Declare.
 796         * parameters.cc (parameters_force_valid_target): Try to find
 797         target based on emulation from -m option.
 798         * options.h (class General_options): Change doc string for -m.
 799         * options.cc (help): Print emulations.
 800         (General_options::parse_V): Likewise.
 801         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 802         Add emulation parameter.  Change all callers.
 803
 804 2011-06-28  Ian Lance Taylor  <iant@google.com>
 805
 806         * target.h (class Target): Add osabi_ field.
 807         (Target::osabi): New function.
 808         (Target::set_osabi): New function.
 809         (Target::Target): Initialize osabi_.
 810         (Target::do_adjust_elf_header): Make pure virtual.
 811         (Sized_target::do_adjust_elf_header): Declare.
 812         * target.cc (Sized_target::do_adjust_elf_header): New function.
 813         (class Sized_target): Instantiate all versions.
 814         * freebsd.h (class Target_freebsd): Remove.
 815         (Target_selector_freebsd::do_recognize): Call set_osabi on
 816         Target.
 817         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 818         (Target_selector_freebsd::set_osabi): Remove.
 819         * i386.cc (class Target_i386): Inherit from Sized_target rather
 820         than Target_freebsd.
 821         * x86_64.cc (class Target_x86_64): Likewise.
 822
 823 2011-06-28  Ian Lance Taylor  <iant@google.com>
 824
 825         * target.h (Target::can_check_for_function_pointers): Rewrite.
 826         Make non-virtual.
 827         (Target::can_icf_inline_merge_sections): Likewise.
 828         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 829         (Target::Target_info): Add can_icf_inline_merge_sections field.
 830         (Target::do_can_check_for_function_pointers): New virtual
 831         function.
 832         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 833         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 834         from can_check_for_function_pointers, move in file.
 835         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 836         section_may_have_icf_unsafe_poineters, move in file.
 837         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 838         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 839         Rename from can_check_for_function_pointers, move in file.
 840         (Target_i386::can_icf_inline_merge_sections): Remove.
 841         (Target_i386::i386_info): Initialize
 842         can_icf_inline_merge_sections.
 843         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 844         Initialize can_icf_inline_merge_sections.
 845         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 846         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 847         Rename from can_check_for_function_pointers, move in file.
 848         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 849         (Target_x86_64::x86_64_info): Initialize
 850         can_icf_inline_merge_sections.
 851         * testsuite/testfile.cc (Target_test::test_target_info):
 852         Likewise.
 853         * icf.cc (get_section_contents): Correct formatting.
 854
 855 2011-06-27  Ian Lance Taylor  <iant@google.com>
 856
 857         * symtab.cc (Symbol::versioned_name): New function.
 858         (Symbol_table::add_to_final_symtab): Use versioned_name when
 859         appropriate.
 860         (Symbol_table::sized_write_symbol): Likewise.
 861         * symtab.h (class Symbol): Declare versioned_name.
 862         * stringpool.h (class Stringpool_template): Add variant of add
 863         which takes a std::basic_string.
 864         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 865         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 866         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 867         (ver_test_12.o): New target.
 868         * testsuite/Makefile.in: Rebuild.
 869
 870 2011-06-27  Doug Kwan  <dougkwan@google.com>
 871
 872         * arm.cc (Arm_relocate_functions::thm_jump8,
 873         Arm_relocate_functions::thm_jump11): Use a wider signed
 874         type to compute offset.
 875         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 876         arm_thm_jump8.
 877         * testsuite/Makefile.in: Regenerate.
 878         * testsuite/arm_branch_in_range.sh: Check test results of
 879         arm_thm_jump11 and arm_thm_jump8.
 880         * testsuite/arm_thm_jump11.s: New test source file.
 881         * testsuite/arm_thm_jump11.t: New linker script.
 882         * testsuite/arm_thm_jump8.s: New test source file.
 883         * testsuite/arm_thm_jump8.t: New linker script.
 884
 885 2011-06-24  Ian Lance Taylor  <iant@google.com>
 886
 887         * layout.cc: Include "object.h".
 888         (ctors_sections_in_init_array): New static variable.
 889         (Layout::is_ctors_in_init_array): New function.
 890         (Layout::layout): Add entry to ctors_sections_in_init_array if
 891         appropriate.
 892         * layout.h (class Layout): Declare is_ctors_in_init_array.
 893         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 894         is_ctors_reverse_view is set.
 895         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 896         all callers.  Set is_ctors_reverse_view field of View_size.
 897         (Sized_relobj_file::reverse_words): New function.
 898         * object.h (Sized_relobj_file::View_size): Add
 899         is_ctors_reverse_view field.
 900         (class Sized_relobj_file): Update declarations.
 901         * testsuite/initpri3.c: New test.
 902         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 903         initpri3b.
 904         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 905         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 906         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 907         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 908         * testsuite/Makefile.in: Rebuild.
 909
 910 2011-06-24  Cary Coutant  <ccoutant@google.com>
 911
 912         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 913         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 914         (debug_msg_cdebug.err): New targets.
 915         * testsuite/Makefile.in: Regenerate.
 916         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 917         Fix checks for link with shared library.
 918
 919 2011-06-24  Doug Kwan  <dougkwan@google.com>
 920
 921         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 922         skip empty text sections.
 923         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 924
 925 2011-06-22  Ian Lance Taylor  <iant@google.com>
 926
 927         PR gold/12910
 928         * options.h (class General_options): Add --ctors-in-init-array.
 929         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 930         friends as SHT_PROGBITS for merging sections.
 931         (Layout::layout): Remove special handling of .init_array and
 932         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 933         and .dtors if ctors_in_init_array.
 934         (Layout::make_output_section): Force correct section types for
 935         .init_array and friends.  Don't sort if doing relocatable link,
 936         Don't sort .ctors and .dtors if ctors_in_init_array.
 937         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 938         (Layout::output_section_name): Add relobj parameter.  Change all
 939         callers.  Handle .ctors. and .dtors. in code rather than table.
 940         Handle .ctors and .dtors if ctors_in_init_array.
 941         (Layout::match_file_name): New function, moved from output.cc.
 942         * layout.h (class Layout): Update declarations.
 943         * output.cc: Include "layout.h".
 944         (Input_section_sort_entry::get_priority): New function.
 945         (Input_section_sort_entry::match_file_name): Just call
 946         Layout::match_file_name.
 947         (Output_section::Input_section_sort_init_fini_compare::operator()):
 948         Handle .ctors and .dtors.  Sort by explicit priority rather than
 949         by name.
 950         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 951         * testsuite/initpri2.c: New test.
 952         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 953         (check_PROGRAMS): Add initpri2.
 954         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
 955         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
 956         * configure, testsuite/Makefile.in: Rebuild.
 957
 958 2011-06-19  Ian Lance Taylor  <iant@google.com>
 959
 960         PR gold/12880
 961         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
 962         .interp section to a PT_INTERP segment even if we have seen a
 963         --dynamic-linker option.  Don't do it if we have seen a PHDRS
 964         clause in a linker script.
 965         (Layout::finalize): Don't create a .interp section if we've
 966         already create a PT_INTERP segment.
 967         (Layout::create_interp): Always call choose_output_section (revert
 968         patch of 2011-06-17).  Don't create PT_INTERP segment.
 969         * script-sections.cc
 970         (Script_sections::create_note_and_tls_segments): Add a .interp
 971         section to a PT_INTERP segment even if we have seen a
 972         --dynamic-linker option.
 973
 974 2011-06-18  Ian Lance Taylor  <iant@google.com>
 975
 976         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
 977         merely because a non-PT_LOAD segment has a dynamic reloc.
 978
 979 2011-06-18  Ian Lance Taylor  <iant@google.com>
 980
 981         * layout.cc (Layout::finish_dynamic_section): Don't create
 982         DT_FLAGS entry if not needed.
 983
 984 2011-06-18  Ian Lance Taylor  <iant@google.com>
 985
 986         PR gold/12745
 987         * layout.cc (Layout::layout_eh_frame): Correct handling of
 988         writable .eh_frame section.
 989
 990 2011-06-17  Ian Lance Taylor  <iant@google.com>
 991
 992         PR gold/12893
 993         * resolve.cc (Symbol_table::resolve): Don't give an error if a
 994         symbol is redefined with the exact same object and value.
 995
 996 2011-06-17  Ian Lance Taylor  <iant@google.com>
 997
 998         PR gold/12880
 999         * layout.h (class Layout): Add interp_segment_ field.
1000         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1001         (Layout::attach_allocated_section_to_segment): If making shared
1002         library, put .interp section in PT_INTERP segment.
1003         (Layout::finalize): Also call create_interp if -dynamic-linker
1004         option was used.
1005         (Layout::create_interp): Assert that there is no PT_INTERP
1006         segment.  If not using a SECTIONS clause, use make_output_section.
1007         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1008         * script-sections.cc
1009         (Script_sections::create_note_and_tls_segments): If making shared
1010         library, put .interp section in PT_INTERP segment.
1011
1012 2011-06-17  Ian Lance Taylor  <iant@google.com>
1013
1014         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1015         when making a shared library.
1016
1017 2011-06-17  Ian Lance Taylor  <iant@google.com>
1018
1019         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1020         parameter.  Change all callers.  Don't issue warning about PC32
1021         against locally defined symbol.
1022
1023 2011-06-16  Ian Lance Taylor  <iant@google.com>
1024
1025         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1026         occurs in same object.
1027
1028 2011-06-14  Alan Modra  <amodra@gmail.com>
1029
1030         * po/POTFILES.in: Regenerate.
1031
1032 2011-06-09  Ian Lance Taylor  <iant@google.com>
1033
1034         * script-sections.cc
1035         (Orphan_output_section::set_section_addresses): For a relocatable
1036         link set address to 0.
1037
1038 2011-06-09  Cary Coutant  <ccoutant@google.com>
1039
1040         PR gold/12804
1041         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1042         used with --compress-debug-sections.
1043         * gold/object.cc (Sized_relobj_file::do_layout): Report
1044         uncompressed size of compressed input sections.
1045
1046 2011-06-08  Cary Coutant  <ccoutant@google.com>
1047
1048         PR gold/12804
1049         * testsuite/two_file_test_2_v1.cc: Change initialization of
1050         v2 to keep it in .data.
1051
1052 2011-06-07  Cary Coutant  <ccoutant@google.com>
1053
1054         * common.cc (Symbol_table::do_allocate_commons_list): Call
1055         gold_fallback.
1056         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1057         (Errors::fallback): New function.
1058         (gold_fallback): New function.
1059         * errors.h (Errors::fallback): New function.
1060         * gold.cc (gold_exit): Change status parameter to enum; adjust
1061         all callers.
1062         (queue_initial_tasks): Call gold_fallback.
1063         * gold.h: Include cstdlib.
1064         (Exit_status): New enum type.
1065         (gold_exit): Change status parameter to enum.
1066         (gold_fallback): New function.
1067         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1068         (Layout::create_symtab_sections): Likewise.
1069         (Layout::create_shdrs): Likewise.
1070         * main.cc (main): Adjust call to gold_exit.
1071         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1072         (Output_data_got::add_got_entry_pair): Likewise.
1073         (Output_section::add_input_section): Likewise.
1074         (Output_section::add_output_section_data): Likewise.
1075         (Output_segment::set_section_list_addresses): Likewise.
1076         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1077
1078 2011-06-07  Cary Coutant  <ccoutant@google.com>
1079
1080         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1081         for incremental links.
1082         * output.cc (Output_segment::set_section_list_addresses): Remove
1083         FIXME and test for TLS or BSS.
1084
1085 2011-06-07  Cary Coutant  <ccoutant@google.com>
1086
1087         * testsuite/Makefile.am: Add incremental_copy_test,
1088         incremental_common_test_1.
1089         * testsuite/Makefile.in: Regenerate.
1090         * testsuite/common_test_1_v1.c: New source file.
1091         * testsuite/common_test_1_v2.c: New source file.
1092         * testsuite/copy_test_v1.cc: New source file.
1093
1094 2011-06-07  Cary Coutant  <ccoutant@google.com>
1095
1096         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1097         update, allocate common from bss section's free list.
1098         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1099         linker-defined symbols.
1100         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1101         Skip GOT and PLT entries that are no longer referenced.
1102         (Output_section_incremental_inputs::write_info_blocks): Mark
1103         linker-defined symbols.
1104         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1105         * output.cc (Output_section::allocate): New function.
1106         * output.h (Output_section::allocate): New function.
1107         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1108         linker-defined symbols.
1109         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1110         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1111         (Symbol::init_base_output_data): Likewise.
1112         (Symbol::init_base_output_segment): Likewise.
1113         (Symbol::init_base_constant): Likewise.
1114         (Sized_symbol::init_output_data): Likewise.
1115         (Sized_symbol::init_output_segment): Likewise.
1116         (Sized_symbol::init_constant): Likewise.
1117         (Symbol_table::do_define_in_output_data): Likewise.
1118         (Symbol_table::do_define_in_output_segment): Likewise.
1119         (Symbol_table::do_define_as_constant): Likewise.
1120         * symtab.h (Symbol::is_predefined): New function.
1121         (Symbol::init_base_output_data): Add is_predefined parameter.
1122         (Symbol::init_base_output_segment): Likewise.
1123         (Symbol::init_base_constant): Likewise.
1124         (Symbol::is_predefined_): New data member.
1125         (Sized_symbol::init_output_data): Add is_predefined parameter.
1126         (Sized_symbol::init_output_segment): Likewise.
1127         (Sized_symbol::init_constant): Likewise.
1128         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1129
1130 2011-06-07  Cary Coutant  <ccoutant@google.com>
1131
1132         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1133         instead of emit_copy_reloc.
1134         (Copy_relocs::emit_copy_reloc): Refactor.
1135         (Copy_relocs::make_copy_reloc): New function.
1136         (Copy_relocs::add_copy_reloc): Remove.
1137         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1138         section.
1139         (Copy_relocs::make_copy_reloc): New function.
1140         (Copy_relocs::add_copy_reloc): Remove.
1141         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1142         unchanged input files.
1143         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1144         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1145         Reserve BSS space for COPY relocations.
1146         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1147         (Output_section_incremental_inputs::write_info_blocks): Record
1148         whether a symbol is copied from a shared object.
1149         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1150         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1151         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1152         (Incremental_input_entry_reader::get_output_symbol_index): Add
1153         is_copy parameter.
1154         (Incremental_binary::emit_copy_relocs): New function.
1155         (Incremental_binary::do_emit_copy_relocs): New function.
1156         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1157         new data member.
1158         (Sized_incremental_binary::add_copy_reloc): New function.
1159         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1160         (Sized_incremental_binary::Copy_reloc): New struct.
1161         (Sized_incremental_binary::Copy_relocs): New typedef.
1162         (Sized_incremental_binary::copy_relocs_): New data member.
1163         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1164         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1165         * target.h (Sized_target::emit_copy_reloc): New function.
1166         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1167
1168 2011-06-02  Cary Coutant  <ccoutant@google.com>
1169
1170         PR gold/12163
1171         * gold/archive.cc (Archive::Archive): Initialize new data member.
1172         (Archive::include_all_members): Return if archive has already been
1173         included.
1174         * gold/archive.h (Archive::include_all_members_): New data member.
1175
1176 2011-06-02  Nick Clifton  <nickc@redhat.com>
1177
1178         * dynobj.h: Fix spelling mistake in comment.
1179         * output.cc: Likewise.
1180
1181 2011-05-31  Doug Kwan  <dougkwan@google.com>
1182             Asier Llano
1183
1184         PR gold/12826
1185         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1186         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1187         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1188         redundant arm_exidx_test.so.
1189         * testsuite/Makefile.in: Regenerate.
1190         (check_SCRIPTS): Add pr12826.sh
1191         (check_DATA): Add pr12826.stdout
1192         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1193         * testsuite/pr12826.sh: New file.
1194         * testsuite/pr12826_1.s: Ditto.
1195         * testsuite/pr12826_1.s: Ditto.
1196
1197 2011-05-30  Ian Lance Taylor  <iant@google.com>
1198
1199         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1200         sections.
1201
1202 2011-05-29  Ian Lance Taylor  <iant@google.com>
1203
1204         PR gold/12804
1205         * testsuite/Makefile.am: Use different file name for two_file_test
1206         temporary file for each incremental test.
1207         * testsuite/Makefile.in: Rebuild.
1208
1209 2011-05-29  Ian Lance Taylor  <iant@google.com>
1210
1211         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1212         binary input file is empty.
1213
1214 2011-05-27  Ian Lance Taylor  <iant@google.com>
1215
1216         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1217         (ver_test_9.so): Likewise.
1218         * testsuite/Makefile.in: Rebuild.
1219
1220 2011-05-26 Cary Coutant  <ccoutant@google.com>
1221
1222         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1223         * incremental.cc (Incremental_inputs::report_input_section): Fix
1224         comment, indentation.
1225         (Incremental_inputs::report_comdat_group): New function.
1226         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1227         of data for incremental input file entry.
1228         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1229         group count, COMDAT group signatures.
1230         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1231         an unchanged input file.
1232         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1233         Initialize new data member.
1234         (Incremental_object_entry::add_comdat_group): New function.
1235         (Incremental_object_entry::get_comdat_group_count): New function.
1236         (Incremental_object_entry::get_comdat_signature_key): New function.
1237         (Incremental_object_entry::groups_): New data member.
1238         (Incremental_inputs::report_comdat_group): New function.
1239         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1240         data for incremental input file entry.
1241         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1242         (Incremental_input_entry_reader::get_input_section): Adjust size of
1243         data for incremental input file entry.
1244         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1245         (Incremental_input_entry_reader::get_comdat_group_signature): New
1246         function.
1247         * object.cc (Sized_relobj::include_section_group): Report kept
1248         COMDAT groups for incremental links.
1249
1250 2011-05-24  David Meyer  <pdox@google.com>
1251
1252         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1253         with name parameter.  Add found_name parameter.
1254         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1255         * dirsearch.h (class Dirsearch): Update declaration.
1256
1257 2011-05-24  Ian Lance Taylor  <iant@google.com>
1258
1259         * archive.cc (Library_base::should_include_member): Pull in object
1260         from archive if it defines the entry symbol.
1261         * parameters.cc (Parameters::entry): New function.
1262         * parameters.h (class Parameters): Declare entry.
1263         * output.h (class Output_file_header): Remove entry_ field.
1264         * output.cc (Output_file_header::Output_file_header): Remove entry
1265         parameter.  Change all callers.
1266         (Output_file_header::entry): Use parameters->entry.
1267         * gold.cc (queue_middle_tasks): Likewise.
1268         * plugin.cc (Plugin_hook::run): Likewise.
1269
1270 2011-05-24 Cary Coutant  <ccoutant@google.com>
1271
1272         * gold.cc (queue_initial_tasks): Pass incremental base filename
1273         to Output_file::open_base_file; don't print error message.
1274         * incremental-dump.cc (main): Adjust call to
1275         Output_file::open_for_modification.
1276         * incremental-dump.cc (main): Likewise.
1277         * incremental.cc (Incremental_inputs::report_command_line):
1278         Ignore --incremental-base option when comparing command lines.
1279         Ignore parameter when given as separate argument.
1280         * options.h (class General_options): Add --incremental-base.
1281         * output.cc (Output_file::Output_file):
1282         (Output_file::open_base_file): Add base_name and writable parameters;
1283         read base file into new file; print error message here.
1284         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1285         callers.
1286         * output.h (Output_file::open_for_modification): Rename to...
1287         (Output_file::open_base_file): ...this; add base_name and
1288         writable parameters; adjust all callers.
1289         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1290         callers.
1291         * testsuite/Makefile.am (incremental_test_4): Test
1292         --incremental-base.
1293         * testsuite/Makefile.in: Regenerate.
1294
1295 2011-05-24 Cary Coutant  <ccoutant@google.com>
1296
1297         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1298         incremental_test_4.
1299         * testsuite/Makefile.in: Regenerate.
1300         * testsuite/two_file_test_1_v1.cc: New test source file.
1301         * testsuite/two_file_test_1b_v1.cc: New test source file.
1302         * testsuite/two_file_test_2_v1.cc: New test source file.
1303
1304 2011-05-24 Cary Coutant  <ccoutant@google.com>
1305
1306         * dynobj.h (Dynobj::do_dynobj): New function.
1307         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1308         flag and soname for shared objects.
1309         * incremental.cc (Incremental_inputs::report_object): Make
1310         either Incremental_object_entry or Incremental_dynobj_entry; add
1311         soname to string table.
1312         (Incremental_inputs::report_input_section): Add assertion.
1313         (Output_section_incremental_inputs::set_final_data_size): Adjust
1314         type of input file entry for shared libraries; adjust size of
1315         shared library info entry.
1316         (Output_section_incremental_inputs::write_input_files): Write
1317         as_needed flag for shared libraries.
1318         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1319         of input file entry for shared libraries; write soname.
1320         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1321         soname from incremental info.
1322         * incremental.h (enum Incremental_input_flags): Add
1323         INCREMENTAL_INPUT_AS_NEEDED.
1324         (Incremental_input_entry::Incremental_input_entry): Initialize new
1325         data member.
1326         (Incremental_input_entry::set_as_needed): New function.
1327         (Incremental_input_entry::as_needed): New function.
1328         (Incremental_input_entry::do_dynobj_entry): New function.
1329         (Incremental_input_entry::as_needed_): New data member.
1330         (Incremental_object_entry::Incremental_object_entry): Don't check
1331         for shared library.
1332         (Incremental_object_entry::do_type): Likewise.
1333         (class Incremental_dynobj_entry): New class.
1334         (Incremental_input_entry_reader::as_needed): New function.
1335         (Incremental_input_entry_reader::get_soname): New function.
1336         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1337         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1338         size of shared library info entry.
1339         * layout.cc (Layout::finish_dynamic_section): Don't test for
1340         incremental link when adding DT_NEEDED entries.
1341         * object.h (Object::Object): Initialize new data member.
1342         (Object::dynobj): New function.
1343         (Object::set_as_needed): New function.
1344         (Object::as_needed): New function.
1345         (Object::do_dynobj): New function.
1346         (Object::as_needed_): New data member.
1347
1348 2011-05-24 Cary Coutant  <ccoutant@google.com>
1349
1350         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1351         info; adjust display of GOT entries.
1352         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1353         vector of input objects; remove file_status_.
1354         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1355         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1356         got_plt reader; call target hooks to reserve GOT entries.
1357         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1358         of input file info header and GOT info entry.
1359         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1360         relocation info.
1361         (Got_plt_view_info::got_descriptor): Remove.
1362         (Got_plt_view_info::sym_index): New data member.
1363         (Got_plt_view_info::input_index): New data member.
1364         (Local_got_offset_visitor::visit): Write input file index.
1365         (Global_got_offset_visitor::visit): Write 0 for input file index.
1366         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1367         with sym_index and input_index.
1368         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1369         incremental info GOT entry; replace got_descriptor with input_index.
1370         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1371         map from input file index to object.
1372         (Sized_relobj_incr::do_layout): Replace direct data member reference
1373         with accessor function.
1374         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1375         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1376         Adjust size of input file info header.
1377         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1378         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1379         (Incremental_input_entry_reader::get_input_section): Adjust size of
1380         input file info header.
1381         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1382         of incremental info GOT entry.
1383         (Incremental_got_plt_reader::get_got_desc): Remove.
1384         (Incremental_got_plt_reader::get_got_symndx): New function.
1385         (Incremental_got_plt_reader::get_got_input_index): New function.
1386         (Sized_incremental_binary::Sized_incremental_binary): Remove
1387         file_status_; add input_objects_.
1388         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1389         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1390         (Sized_incremental_binary::file_is_unchanged): Remove.
1391         (Sized_incremental_binary::set_input_object): New function.
1392         (Sized_incremental_binary::input_object): New function.
1393         (Sized_incremental_binary::file_status_): Remove.
1394         (Sized_incremental_binary::input_objects_): New data member.
1395         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1396         references.
1397         (Sized_relobj_incr::invalid_address): Move to base class.
1398         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1399         class.
1400         (Sized_relobj_incr::do_output_section_offset): Likewise.
1401         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1402         (Sized_relobj_incr::section_offsets_): Likewise.
1403         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1404         function.
1405         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1406         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1407         with accessor function.
1408         (Sized_relobj_file::do_layout): Likewise.
1409         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1410         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1411         (Sized_relobj_file::compute_final_local_value): Replace refs to
1412         section_offsets_ with accessor function.
1413         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1414         * object.h (Relobj::Relobj): Initialize new data members.
1415         (Relobj::add_dyn_reloc): New function.
1416         (Relobj::first_dyn_reloc): New function.
1417         (Relobj::dyn_reloc_count): New function.
1418         (Relobj::first_dyn_reloc_): New data member.
1419         (Relobj::dyn_reloc_count_): New data member.
1420         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1421         references.
1422         (Sized_relobj::Address): New typedef.
1423         (Sized_relobj::invalid_address): Move here from child class.
1424         (Sized_relobj::Sized_relobj): Initialize new data members.
1425         (Sized_relobj::sized_relobj): New function.
1426         (Sized_relobj::is_output_section_offset_invalid): Move here from
1427         child class.
1428         (Sized_relobj::get_output_section_offset): Likewise.
1429         (Sized_relobj::local_has_got_offset): Likewise.
1430         (Sized_relobj::local_got_offset): Likewise.
1431         (Sized_relobj::set_local_got_offset): Likewise.
1432         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1433         (Sized_relobj::clear_got_offsets): New function.
1434         (Sized_relobj::section_offsets): Move here from child class.
1435         (Sized_relobj::do_output_section_offset): Likewise.
1436         (Sized_relobj::do_set_section_offset): Likewise.
1437         (Sized_relobj::Local_got_offsets): Likewise.
1438         (Sized_relobj::local_got_offsets_): Likewise.
1439         (Sized_relobj::section_offsets_): Likewise.
1440         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1441         references.
1442         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1443         class.
1444         (Sized_relobj_file::sized_relobj): New function
1445         (Sized_relobj_file::local_has_got_offset): Move to base class.
1446         (Sized_relobj_file::local_got_offset): Likewise.
1447         (Sized_relobj_file::set_local_got_offset): Likewise.
1448         (Sized_relobj_file::get_output_section_offset): Likewise.
1449         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1450         (Sized_relobj_file::do_output_section_offset): Likewise.
1451         (Sized_relobj_file::do_set_section_offset): Likewise.
1452         (Sized_relobj_file::Local_got_offsets): Likewise.
1453         (Sized_relobj_file::local_got_offsets_): Likewise.
1454         (Sized_relobj_file::section_offsets_): Likewise.
1455         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1456         (all constructors).
1457         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1458         (Output_reloc::get_symbol_index): Likewise.
1459         (Output_reloc::local_section_offset): Likewise.
1460         (Output_reloc::get_address): Likewise.
1461         (Output_reloc::symbol_value): Likewise.
1462         (Output_data_got::reserve_slot): Move to class definition.
1463         (Output_data_got::reserve_local): New function.
1464         (Output_data_got::reserve_slot_for_global): Remove.
1465         (Output_data_got::reserve_global): New function.
1466         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1467         (all constructors, two instantiations).
1468         (Output_reloc::get_relobj): New function (two instantiations).
1469         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1470         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1471         (Output_data_reloc::add_global): Adjust type of relobj.
1472         (Output_data_reloc::add_global_relative): Likewise.
1473         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1474         (Output_data_reloc::add_local): Likewise.
1475         (Output_data_reloc::add_local_relative): Likewise.
1476         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1477         (Output_data_reloc::add_local_section): Likewise.
1478         (Output_data_reloc::add_output_section): Likewise.
1479         (Output_data_reloc::add_absolute): Likewise.
1480         (Output_data_reloc::add_target_specific): Likewise.
1481         (Output_data_got::reserve_slot): Move definition here.
1482         (Output_data_got::reserve_local): New function.
1483         (Output_data_got::reserve_global): New function.
1484         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1485         section_offsets_ with accessor function.
1486         (Sized_relobj_file::write_sections): Likewise.
1487         (Sized_relobj_file::do_relocate_sections): Likewise.
1488         * target.h (Sized_target::reserve_local_got_entry): New function.
1489         (Sized_target::reserve_global_got_entry): New function.
1490         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1491         (Target_x86_64::reserve_global_got_entry): New function.
1492         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1493
1494 2011-05-23 Cary Coutant  <ccoutant@google.com>
1495
1496         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1497         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1498         bit when checking got_type.
1499         * incremental.cc (Sized_incremental_binary::setup_readers):
1500         Store symbol table and string table locations; initialize bit vector
1501         of file status flags.
1502         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1503         unchanged files.
1504         (Sized_incremental_binary::do_process_got_plt): New function.
1505         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1506         (Output_section_incremental_inputs::set_final_data_size): Record
1507         file index for each input file.
1508         (Output_section_incremental_inputs::write_got_plt): Store file index
1509         instead of input entry offset for each GOT entry.
1510         * incremental.h
1511         (Incremental_input_entry::Incremental_input_entry): Initialize new
1512         data member.
1513         (Incremental_input_entry::set_offset): Store file index.
1514         (Incremental_input_entry::get_file_index): New function.
1515         (Incremental_input_entry::file_index_): New data member.
1516         (Incremental_binary::process_got_plt): New function.
1517         (Incremental_binary::do_process_got_plt): New function.
1518         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1519         data members.
1520         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1521         (Sized_incremental_binary::set_file_is_unchanged): New function.
1522         (Sized_incremental_binary::file_is_unchanged): New function.
1523         (Sized_incremental_binary::do_process_got_plt): New function.
1524         (Sized_incremental_binary::file_status_): New data member.
1525         (Sized_incremental_binary::main_symtab_loc_): New data member.
1526         (Sized_incremental_binary::main_strtab_loc_): New data member.
1527         * output.cc (Output_data_got::Got_entry::write): Add case
1528         RESERVED_CODE.
1529         (Output_data_got::add_global): Call add_got_entry.
1530         (Output_data_got::add_global_plt): Likewise.
1531         (Output_data_got::add_global_with_rel): Likewise.
1532         (Output_data_got::add_global_with_rela): Likewise.
1533         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1534         (Output_data_got::add_global_pair_with_rela): Likewise.
1535         (Output_data_got::add_local): Call add_got_entry.
1536         (Output_data_got::add_local_plt): Likewise.
1537         (Output_data_got::add_local_with_rel): Likewise.
1538         (Output_data_got::add_local_with_rela): Likewise.
1539         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1540         (Output_data_got::add_local_pair_with_rela): Likewise.
1541         (Output_data_got::reserve_slot): New function.
1542         (Output_data_got::reserve_slot_for_global): New function.
1543         (Output_data_got::add_got_entry): New function.
1544         (Output_data_got::add_got_entry_pair): New function.
1545         (Output_section::add_output_section_data): Edit FIXME.
1546         * output.h
1547         (Output_section_data_build::Output_section_data_build): New
1548         constructor with size parameter.
1549         (Output_data_space::Output_data_space): Likewise.
1550         (Output_data_got::Output_data_got): Initialize new data member; new
1551         constructor with size parameter.
1552         (Output_data_got::add_constant): Call add_got_entry.
1553         (Output_data_got::reserve_slot): New function.
1554         (Output_data_got::reserve_slot_for_global): New function.
1555         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1556         (Output_data_got::add_got_entry): New function.
1557         (Output_data_got::add_got_entry_pair): New function.
1558         (Output_data_got::free_list_): New data member.
1559         * target.h (Sized_target::init_got_plt_for_update): New function.
1560         (Sized_target::register_global_plt_entry): New function.
1561         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1562         Initialize new data member; call init; add constructor with PLT count.
1563         (Output_data_plt_x86_64::init): New function.
1564         (Output_data_plt_x86_64::add_relocation): New function.
1565         (Output_data_plt_x86_64::reserve_slot): New function.
1566         (Output_data_plt_x86_64::free_list_): New data member.
1567         (Target_x86_64::init_got_plt_for_update): New function.
1568         (Target_x86_64::register_global_plt_entry): New function.
1569         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1570         incremental updates.
1571         (Output_data_plt_x86_64::add_relocation): New function.
1572         * testsuite/object_unittest.cc (Object_test): Set default options.
1573
1574 2011-05-16  Ian Lance Taylor  <iant@google.com>
1575
1576         * options.h (class General_options): Make -i a synonym for -r.
1577
1578 2011-05-16  Ian Lance Taylor  <iant@google.com>
1579
1580         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1581
1582 2011-05-10 Cary Coutant  <ccoutant@google.com>
1583
1584         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1585         strip_all (-s).
1586
1587 2011-05-06  Ian Lance Taylor  <iant@google.com>
1588
1589         * layout.cc (Layout::layout): If the output section flags change,
1590         update the ordering.
1591
1592 2011-04-25 Cary Coutant  <ccoutant@google.com>
1593
1594         * incremental-dump.cc (dump_incremental_inputs): Print local
1595         symbol info for each input file.
1596         * incremental.cc
1597         (Output_section_incremental_inputs::set_final_data_size): Add local
1598         symbol info to input file entries in incremental info.
1599         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1600         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1601         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1602         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1603         implementation.
1604         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1605         (Sized_incr_relobj::do_relocate): Write the local symbols.
1606         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1607         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1608         Adjust size of input file header.
1609         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1610         (Incremental_inputs_reader::get_local_symbol_count): New function.
1611         (Incremental_inputs_reader::get_input_section): Adjust size of input
1612         file header.
1613         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1614         (Sized_incr_relobj::This): New typedef.
1615         (Sized_incr_relobj::sym_size): New const data member.
1616         (Sized_incr_relobj::Local_symbol): New struct.
1617         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1618         (Sized_incr_relobj::do_local_symbol_offset): New function.
1619         (Sized_incr_relobj::local_symbol_count_): New data member.
1620         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1621         (Sized_incr_relobj::local_symbol_index_): New data member.
1622         (Sized_incr_relobj::local_symbol_offset_): New data member.
1623         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1624         (Sized_incr_relobj::local_symbols_): New data member.
1625         * object.h (Relobj::output_local_symbol_count): New function.
1626         (Relobj::local_symbol_offset): New function.
1627         (Relobj::do_output_local_symbol_count): New function.
1628         (Relobj::do_local_symbol_offset): New function.
1629         (Sized_relobj::do_output_local_symbol_count): New function.
1630         (Sized_relobj::do_local_symbol_offset): New function.
1631
1632 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1633
1634         * descriptors.cc (set_close_on_exec): New function.
1635         (Descriptors::open): Use set_close_on_exec.
1636         * output.cc (S_ISLNK): Define if not defined.
1637
1638 2011-04-22 Cary Coutant  <ccoutant@google.com>
1639
1640         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1641         global symbol map.
1642         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1643         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1644         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1645         relocations.
1646         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1647         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1648         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1649         * incremental.h
1650         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1651         function.
1652         (Incremental_binary::apply_incremental_relocs): New function.
1653         (Incremental_binary::do_apply_incremental_relocs): New function.
1654         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1655         data member.
1656         (Sized_incremental_binary::add_global_symbol): New function.
1657         (Sized_incremental_binary::global_symbol): New function.
1658         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1659         (Sized_incremental_binary::symbol_map_): New data member.
1660         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1661         * target.h (Sized_target::apply_relocation): New function.
1662         * target-reloc.h (apply_relocation): New function.
1663         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1664
1665 2011-04-22  Doug Kwan  <dougkwan@google.com>
1666
1667         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1668         flag of a SHT_ARM_EXIDX section.
1669         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1670         * testsuite/Makefile.in: Regenerate.
1671         * testsuite/arm_exidx_test.s: New file.
1672         * testsuite/arm_exidx_test.sh: Same.
1673
1674 2011-04-20 Cary Coutant  <ccoutant@google.com>
1675
1676         PR gold/12689
1677         * archive.h (Incremental_archive_entry::Archive_member):
1678         Initialize arg_serial_ (second constructor).
1679
1680 2011-04-17  Ian Lance Taylor  <iant@google.com>
1681
1682         * object.cc (Relocate_info::location): Simplify location string.
1683         * errors.cc (Errors::error_at_location): Don't print program
1684         name.
1685         (Errors::warning_at_location): Likewise.
1686         (Errors::undefined_symbol): Likewise.
1687         * testsuite/debug_msg.sh: Update accordingly.
1688
1689 2011-04-14 Cary Coutant  <ccoutant@google.com>
1690
1691         * gold/layout.cc (Layout::symtab_section_offset): New function.
1692         * gold/layout.h (Layout::symtab_section_offset): New function.
1693         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1694
1695 2011-04-12  Ian Lance Taylor  <iant@google.com>
1696
1697         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1698         with MREMAP_MAYMOVE.
1699         * output.h (class Output_file): Add map_is_allocated_ field.
1700         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1701         not available, provide stubs.  If mremap is not available, #define
1702         it to gold_mremap.
1703         (MREMAP_MAYMOVE): Define if not defined.
1704         (Output_file::Output_file): Initialize map_is_allocated_.
1705         (Output_file::resize): Check map_is_allocated_.
1706         (Output_file::map_anonymous): If mmap fails, use malloc.
1707         (Output_file::unmap): Don't do anything for an anonymous map.
1708         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1709         is not available, provide stubs.
1710         (File_read::View::~View): Use free rather than delete[].
1711         (File_read::make_view): Use malloc rather than new[].  If mmap
1712         fails, use malloc.
1713         (File_read::find_or_make_view): Use malloc rather than new[].
1714         * gold.h: Remove HAVE_REMAP code.
1715         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1716         exists.  Rename mremap to gold_mremap.  If mmap is not available
1717         don't do anything.
1718         * configure, config.in: Rebuild.
1719
1720 2011-04-11  Ian Lance Taylor  <iant@google.com>
1721
1722         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1723         initialize local variable v.
1724
1725 2011-04-11  Cary Coutant  <ccoutant@google.com>
1726
1727         * archive.cc (Archive::include_member): Adjust call to
1728         report_object.
1729         (Add_archive_symbols::run): Track argument serial numbers.
1730         (Lib_group::include_member): Likewise.
1731         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1732         * archive.h (Incremental_archive_entry::Archive_member):
1733         Initialize arg_serial_.
1734         (Archive_member::arg_serial_): New data member.
1735         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1736         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1737         incremental link.
1738         (Sized_dynobj::do_for_all_local_got_entries): New function.
1739         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1740         function.
1741         * fileread.cc (get_mtime): New function.
1742         * fileread.h (get_mtime): New function.
1743         * gold.cc (queue_initial_tasks): Check for incremental update.
1744         (process_incremental_input): New function.
1745         (queue_middle_tasks): Don't force valid target for incremental
1746         update.
1747         * incremental-dump.cc (find_input_containing_global): Adjust
1748         size of symbol info entry.
1749         (dump_incremental_inputs): Dump argument serial number and
1750         in_system_directory flag; bias shndx by 1; print symbol names
1751         when dumping per-file symbol lists; use new symbol info readers.
1752         * incremental.cc
1753         (Output_section_incremental_inputs:update_data_size): New function.
1754         (Sized_incremental_binary::setup_readers): Setup input readers
1755         for each input file; build maps for files added from libraries
1756         and scripts.
1757         (Sized_incremental_binary::check_input_args): New function.
1758         (Sized_incremental_binary::do_check_inputs): Build map of argument
1759         serial numbers to input arguments.
1760         (Sized_incremental_binary::do_file_has_changed): Rename
1761         do_file_is_unchanged to this; compare file modification times.
1762         (Sized_incremental_binary::do_init_layout): New function.
1763         (Sized_incremental_binary::do_reserve_layout): New function.
1764         (Sized_incremental_binary::do_get_input_reader): Remove.
1765         (Sized_incremental_binary::get_symtab_view): New function.
1766         (Incremental_checker::can_incrementally_link_output_file): Remove.
1767         (Incremental_inputs::report_command_line): Exclude --debug options.
1768         (Incremental_inputs::report_archive_begin): Add parameter; track
1769         argument serial numbers; don't put input file entry for archive
1770         before archive members.
1771         (Incremental_inputs::report_archive_end): Put input file entry
1772         for archive after archive members.
1773         (Incremental_inputs::report_object): Add parameter; track argument
1774         serial numbers and in_system_directory flag.
1775         (Incremental_inputs::report_script): Add parameter; track argument
1776         serial numbers.
1777         (Output_section_incremental_inputs::set_final_data_size): Adjust
1778         size of symbol info entry; check for forwarding symbols.
1779         (Output_section_incremental_inputs::write_input_files): Write
1780         in_system_directory flag and argument serial number.
1781         (Output_section_incremental_inputs::write_info_blocks): Map section
1782         indices between incremental info and original input file; store
1783         input section index for each symbol.
1784         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1785         change operator() to visit().
1786         (class Global_got_offset_visitor): Likewise.
1787         (class Global_symbol_visitor_got_plt):
1788         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1789         classes.
1790         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1791         (Sized_incr_relobj::do_read_symbols): New function.
1792         (Sized_incr_relobj::do_layout): New function.
1793         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1794         (Sized_incr_relobj::do_add_symbols): New function.
1795         (Sized_incr_relobj::do_should_include_member): New function.
1796         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1797         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1798         (Sized_incr_relobj::do_section_size): New function.
1799         (Sized_incr_relobj::do_section_name): New function.
1800         (Sized_incr_relobj::do_section_contents): New function.
1801         (Sized_incr_relobj::do_section_flags): New function.
1802         (Sized_incr_relobj::do_section_entsize): New function.
1803         (Sized_incr_relobj::do_section_address): New function.
1804         (Sized_incr_relobj::do_section_type): New function.
1805         (Sized_incr_relobj::do_section_link): New function.
1806         (Sized_incr_relobj::do_section_info): New function.
1807         (Sized_incr_relobj::do_section_addralign): New function.
1808         (Sized_incr_relobj::do_initialize_xindex): New function.
1809         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1810         (Sized_incr_relobj::do_read_relocs): New function.
1811         (Sized_incr_relobj::do_gc_process_relocs): New function.
1812         (Sized_incr_relobj::do_scan_relocs): New function.
1813         (Sized_incr_relobj::do_count_local_symbols): New function.
1814         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1815         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1816         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1817         (Sized_incr_relobj::do_relocate): New function.
1818         (Sized_incr_relobj::do_set_section_offset): New function.
1819         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1820         (Sized_incr_dynobj::do_read_symbols): New function.
1821         (Sized_incr_dynobj::do_layout): New function.
1822         (Sized_incr_dynobj::do_add_symbols): New function.
1823         (Sized_incr_dynobj::do_should_include_member): New function.
1824         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1825         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1826         (Sized_incr_dynobj::do_section_size): New function.
1827         (Sized_incr_dynobj::do_section_name): New function.
1828         (Sized_incr_dynobj::do_section_contents): New function.
1829         (Sized_incr_dynobj::do_section_flags): New function.
1830         (Sized_incr_dynobj::do_section_entsize): New function.
1831         (Sized_incr_dynobj::do_section_address): New function.
1832         (Sized_incr_dynobj::do_section_type): New function.
1833         (Sized_incr_dynobj::do_section_link): New function.
1834         (Sized_incr_dynobj::do_section_info): New function.
1835         (Sized_incr_dynobj::do_section_addralign): New function.
1836         (Sized_incr_dynobj::do_initialize_xindex): New function.
1837         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1838         (make_sized_incremental_object): New function.
1839         (Incremental_library::copy_unused_symbols): New function.
1840         (Incremental_library::do_for_all_unused_symbols): New function.
1841         * incremental.h (enum Incremental_input_flags): New type.
1842         (class Incremental_checker): Remove.
1843         (Incremental_input_entry::Incremental_input_entry): Add argument
1844         serial number.
1845         (Incremental_input_entry::arg_serial): New function.
1846         (Incremental_input_entry::set_is_in_system_directory): New function.
1847         (Incremental_input_entry::is_in_system_directory): New function.
1848         (Incremental_input_entry::arg_serial_): New data member.
1849         (Incremental_input_entry::is_in_system_directory_): New data member.
1850         (class Script_info): Move here from script.h.
1851         (Script_info::Script_info): Add filename parameter.
1852         (Script_info::filename): New function.
1853         (Script_info::filename_): New data member.
1854         (Incremental_script_entry::Incremental_script_entry): Add argument
1855         serial number.
1856         (Incremental_object_entry::Incremental_object_entry): Likewise.
1857         (Incremental_object_entry::add_input_section): Build list of input
1858         sections with map to original shndx.
1859         (Incremental_object_entry::get_input_section_index): New function.
1860         (Incremental_object_entry::shndx_): New data member.
1861         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1862         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1863         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1864         serial number.
1865         (Incremental_inputs::report_archive_begin): Likewise.
1866         (Incremental_inputs::report_object): Likewise.
1867         (Incremental_inputs::report_script): Likewise.
1868         (class Incremental_global_symbol_reader): New class.
1869         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1870         and store flags and input file type.
1871         (Incremental_input_entry_reader::arg_serial): New function.
1872         (Incremental_input_entry_reader::type): Extract type from flags.
1873         (Incremental_input_entry_reader::is_in_system_directory): New function.
1874         (Incremental_input_entry_reader::get_input_section_count): Call
1875         accessor function for type.
1876         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1877         function for type; adjust size of global symbol entry.
1878         (Incremental_input_entry_reader::get_global_symbol_count): Call
1879         accessor function for type.
1880         (Incremental_input_entry_reader::get_object_count): Likewise.
1881         (Incremental_input_entry_reader::get_object_offset): Likewise.
1882         (Incremental_input_entry_reader::get_member_count): Likewise.
1883         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1884         (Incremental_input_entry_reader::get_member_offset): Likewise.
1885         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1886         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1887         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1888         (Incremental_input_entry_reader::get_global_symbol_reader): New
1889         function.
1890         (Incremental_input_entry_reader::get_output_symbol_index): New
1891         function.
1892         (Incremental_input_entry_reader::type_): Remove.
1893         (Incremental_input_entry_reader::flags_): New data member.
1894         (Incremental_inputs_reader::input_file_offset): New function.
1895         (Incremental_inputs_reader::input_file_index): New function.
1896         (Incremental_inputs_reader::input_file): Call input_file_offset.
1897         (Incremental_inputs_reader::input_file_at_offset): New function.
1898         (Incremental_relocs_reader::get_r_type): Reformat.
1899         (Incremental_relocs_reader::get_r_shndx): Reformat.
1900         (Incremental_relocs_reader::get_r_offset): Reformat.
1901         (Incremental_relocs_reader::data): New function.
1902         (Incremental_binary::Incremental_binary): Initialize new data members.
1903         (Incremental_binary::check_inputs): Add cmdline parameter.
1904         (Incremental_binary::file_is_unchanged): Remove.
1905         (Input_reader::arg_serial): New function.
1906         (Input_reader::get_unused_symbol_count): New function.
1907         (Input_reader::get_unused_symbol): New function.
1908         (Input_reader::do_arg_serial): New function.
1909         (Input_reader::do_get_unused_symbol_count): New function.
1910         (Input_reader::do_get_unused_symbol): New function.
1911         (Incremental_binary::input_file_count): New function.
1912         (Incremental_binary::get_input_reader): Change signature to use
1913         index instead of filename.
1914         (Incremental_binary::file_has_changed): New function.
1915         (Incremental_binary::get_input_argument): New function.
1916         (Incremental_binary::get_library): New function.
1917         (Incremental_binary::get_script_info): New function.
1918         (Incremental_binary::init_layout): New function.
1919         (Incremental_binary::reserve_layout): New function.
1920         (Incremental_binary::output_file): New function.
1921         (Incremental_binary::do_check_inputs): New function.
1922         (Incremental_binary::do_file_is_unchanged): Remove.
1923         (Incremental_binary::do_file_has_changed): New function.
1924         (Incremental_binary::do_init_layout): New function.
1925         (Incremental_binary::do_reserve_layout): New function.
1926         (Incremental_binary::do_input_file_count): New function.
1927         (Incremental_binary::do_get_input_reader): Change signature.
1928         (Incremental_binary::input_args_map_): New data member.
1929         (Incremental_binary::library_map_): New data member.
1930         (Incremental_binary::script_map_): New data member.
1931         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1932         new data members.
1933         (Sized_incremental_binary::output_section): New function.
1934         (Sized_incremental_binary::inputs_reader): Add const.
1935         (Sized_incremental_binary::symtab_reader): Add const.
1936         (Sized_incremental_binary::relocs_reader): Add const.
1937         (Sized_incremental_binary::got_plt_reader): Add const.
1938         (Sized_incremental_binary::get_symtab_view): New function.
1939         (Sized_incremental_binary::Inputs_reader): New typedef.
1940         (Sized_incremental_binary::Input_entry_reader): New typedef.
1941         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1942         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1943         (Sized_incremental_binary::do_file_has_changed): New function.
1944         (Sized_incremental_binary::do_init_layout): New function.
1945         (Sized_incremental_binary::do_reserve_layout): New function.
1946         (Sized_input_reader::Inputs_reader): Remove.
1947         (Sized_input_reader::Input_entry_reader): Remove.
1948         (Sized_input_reader::do_arg_serial): New function.
1949         (Sized_input_reader::do_get_unused_symbol_count): New function.
1950         (Sized_input_reader::do_get_unused_symbol): New function.
1951         (Sized_incremental_binary::do_input_file_count): New function.
1952         (Sized_incremental_binary::do_get_input_reader): Change signature;
1953         use index instead of filename.
1954         (Sized_incremental_binary::section_map_): New data member.
1955         (Sized_incremental_binary::input_entry_readers_): New data member.
1956         (class Sized_incr_relobj): New class.
1957         (class Sized_incr_dynobj): New class.
1958         (make_sized_incremental_object): New function.
1959         (class Incremental_library): New class.
1960         * layout.cc (Free_list::num_lists): New static data member.
1961         (Free_list::num_nodes): New static data member.
1962         (Free_list::num_removes): New static data member.
1963         (Free_list::num_remove_visits): New static data member.
1964         (Free_list::num_allocates): New static data member.
1965         (Free_list::num_allocate_visits): New static data member.
1966         (Free_list::init): New function.
1967         (Free_list::remove): New function.
1968         (Free_list::allocate): New function.
1969         (Free_list::dump): New function.
1970         (Free_list::print_stats): New function.
1971         (Layout_task_runner::run): Resize output file for incremental updates.
1972         (Layout::Layout): Initialize new data members.
1973         (Layout::set_incremental_base): New function.
1974         (Layout::init_fixed_output_section): New function.
1975         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1976         incremental updates.
1977         (Layout::create_gold_note): Do not create gold note section for
1978         incremental updates.
1979         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1980         for incremental updates.
1981         (Layout::set_section_offsets): For incremental updates, allocate space
1982         from free list.
1983         (Layout::create_symtab_sections): Layout with offsets relative to
1984         start of section; for incremental updates, allocate space from free
1985         list.
1986         (Layout::create_shdrs): For incremental updates, allocate space from
1987         free list.
1988         (Layout::finish_dynamic_section): For incremental updates, do not
1989         check --as-needed (fixed in subsequent patch).
1990         * layout.h (class Free_list): New class.
1991         (Layout::set_incremental_base): New function.
1992         (Layout::incremental_base): New function.
1993         (Layout::init_fixed_output_section): New function.
1994         (Layout::allocate): New function.
1995         (Layout::incremental_base_): New data member.
1996         (Layout::free_list_): New data member.
1997         * main.cc (main): Print Free_list statistics.
1998         * object.cc (Relobj::finalize_incremental_relocs): Add
1999         clear_counts parameter; clear counts only when clear_counts is set.
2000         (Sized_relobj::Sized_relobj): Initialize new base class.
2001         (Sized_relobj::do_layout): Don't report special sections.
2002         (Sized_relobj::do_for_all_local_got_entries): New function.
2003         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2004         symtab_off to all symbol table offsets.
2005         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2006         * object.h (class Got_offset_list): Move to top of file.
2007         (Object::Object): Allow case where input_file == NULL.
2008         (Object::~Object): Likewise.
2009         (Object::input_file): Assert that input_file != NULL.
2010         (Object::lock): Allow case where input_file == NULL.
2011         (Object::unlock): Likewise.
2012         (Object::is_locked): Likewise.
2013         (Object::token): Likewise.
2014         (Object::release): Likewise.
2015         (Object::is_incremental): New function.
2016         (Object::get_mtime): New function.
2017         (Object::for_all_local_got_entries): New function.
2018         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2019         (Object::set_is_in_system_directory): New function.
2020         (Object::is_in_system_directory): New function.
2021         (Object::do_is_incremental): New function.
2022         (Object::do_get_mtime): New function.
2023         (Object::do_for_all_local_got_entries): New function.
2024         (Object::is_in_system_directory_): New data member.
2025         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2026         (class Sized_relobj_base): New class.
2027         (class Sized_relobj): Derive from Sized_relobj_base.
2028         (class Sized_relobj::Symbols): Redeclare from base class.
2029         (class Sized_relobj::local_got_offset_list): Remove.
2030         (class Sized_relobj::Output_sections): Redeclare from base class.
2031         (class Sized_relobj::do_for_all_local_got_entries): New function.
2032         (class Sized_relobj::write_local_symbols): Add offset parameter.
2033         (class Sized_relobj::local_symbol_offset_): Update comment.
2034         (class Sized_relobj::local_dynsym_offset_): Update comment.
2035         * options.cc (Input_arguments::add_file): Remove const.
2036         * options.h (Input_file_argument::Input_file_argument):
2037         Initialize arg_serial_ (all constructors).
2038         (Input_file_argument::set_arg_serial): New function.
2039         (Input_file_argument::arg_serial): New function.
2040         (Input_file_argument::arg_serial_): New data member.
2041         (Input_arguments::Input_arguments): Initialize file_count_.
2042         (Input_arguments::add_file): Remove const.
2043         (Input_arguments::number_of_input_files): New function.
2044         (Input_arguments::file_count_): New data member.
2045         (Command_line::number_of_input_files): Call
2046         Input_arguments::number_of_input_files.
2047         * output.cc (Output_segment_headers::Output_segment_headers):
2048         Set current size.
2049         (Output_section::Input_section::current_data_size): New function.
2050         (Output_section::Output_section): Initialize new data members.
2051         (Output_section::add_input_section): Don't do merge sections for
2052         an incremental link; allocate space from free list for an
2053         incremental update.
2054         (Output_section::add_output_section_data): Allocate space from
2055         free list for an incremental update.
2056         (Output_section::update_data_size): New function.
2057         (Output_section::set_fixed_layout): New function.
2058         (Output_section::reserve): New function.
2059         (Output_segment::set_section_addresses): Remove const.
2060         (Output_segment::set_section_list_addresses): Remove const; allocate
2061         space from free list for an incremental update.
2062         (Output_segment::set_offset): Adjust size of RELRO segment for an
2063         incremental update.
2064         * output.h (Output_data::current_data_size): Move here from
2065         child classes.
2066         (Output_data::pre_finalize_data_size): New function.
2067         (Output_data::update_data_size): New function.
2068         (Output_section_headers::update_data_size): new function.
2069         (Output_section_data_build::current_data_size): Move to Output_data.
2070         (Output_data_strtab::update_data_size): New function.
2071         (Output_section::current_data_size): Move to Output_data.
2072         (Output_section::set_fixed_layout): New function.
2073         (Output_section::has_fixed_layout): New function.
2074         (Output_section::reserve): New function.
2075         (Output_section::update_data_size): New function.
2076         (Output_section::has_fixed_layout_): New data member.
2077         (Output_section::free_list_): New data member.
2078         (Output_segment::set_section_addresses): Remove const.
2079         (Output_segment::set_section_list_addresses): Remove const.
2080         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2081         New function.
2082         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2083         New function.
2084         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2085         parameter when calling Add_symbols constructor; store argument
2086         serial number for members of a lib group.
2087         (Add_symbols::locks): Allow case where token == NULL.
2088         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2089         (Read_member::~Read_member): New function.
2090         (Read_member::is_runnable): New function.
2091         (Read_member::locks): New function.
2092         (Read_member::run): New function.
2093         (Check_script::~Check_script): New function.
2094         (Check_script::is_runnable): New function.
2095         (Check_script::locks): New function.
2096         (Check_script::run): New function.
2097         (Check_library::~Check_library): New function.
2098         (Check_library::is_runnable): New function.
2099         (Check_library::locks): New function.
2100         (Check_library::run): New function.
2101         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2102         (Add_symbols::library_): New data member.
2103         (class Read_member): New class.
2104         (class Check_script): New class.
2105         (class Check_library): New class.
2106         * reloc.cc (Read_relocs::is_runnable): Allow case where
2107         token == NULL.
2108         (Read_relocs::locks): Likewise.
2109         (Scan_relocs::locks): Likewise.
2110         (Relocate_task::locks): Likewise.
2111         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2112         to clear counters.
2113         (Sized_relobj::incremental_relocs_scan): Fix comment.
2114         (Sized_relobj::do_relocate): Pass output file offset to
2115         write_local_symbols.
2116         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2117         from class declaration.
2118         * script.cc (read_input_script): Allocate Script_info; pass
2119         argument serial number to report_script.
2120         * script.h (class Script_info): Move to incremental.h.
2121         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2122         * symtab.h (Symbol_table::add_from_incrobj): New function.
2123         (Symbol_table::set_file_offset): New function.
2124
2125 2011-04-05  Cary Coutant  <ccoutant@google.com>
2126
2127         * incremental-dump.cc (dump_incremental_inputs): Change signature
2128         to take a Sized_incremental_binary; change caller.  Use readers
2129         in Sized_incremental_binary.
2130         * incremental.cc
2131         (Sized_incremental_binary::find_incremental_inputs_sections):
2132         Rename do_find_incremental_inputs_sections to this.
2133         (Sized_incremental_binary::setup_readers): New function.
2134         (Sized_incremental_binary::do_check_inputs): Check
2135         has_incremental_info_ flag; move setup code to setup_readers;
2136         use input readers.
2137         (Sized_incremental_binary::do_file_is_unchanged): New function.
2138         (Sized_incremental_binary::do_get_input_reader): New function.
2139         * incremental.h (class Incremental_binary): Move to end of file.
2140         (Incremental_binary::file_is_unchanged): New function.
2141         (Incremental_binary::do_file_is_unchanged): New function.
2142         (Incremental_binary::Input_reader): New class.
2143         (Incremental_binary::get_input_reader): New function.
2144         (class Sized_incremental_binary): Move to end of file.
2145         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2146         input section reader classes.
2147         (Sized_incremental_binary::has_incremental_info): New function.
2148         (Sized_incremental_binary::inputs_reader): New function.
2149         (Sized_incremental_binary::symtab_reader): New function.
2150         (Sized_incremental_binary::relocs_reader): New function.
2151         (Sized_incremental_binary::got_plt_reader): New function.
2152         (Sized_incremental_binary::do_file_is_unchanged): New function.
2153         (Sized_incremental_binary::Sized_input_reader): New class.
2154         (Sized_incremental_binary::get_input_reader): New function.
2155         (Sized_incremental_binary::find_incremental_inputs_sections):
2156         Rename do_find_incremental_inputs_sections to this.
2157         (Sized_incremental_binary::setup_readers): New function.
2158         (Sized_incremental_binary::has_incremental_info_): New data member.
2159         (Sized_incremental_binary::inputs_reader_): New data member.
2160         (Sized_incremental_binary::symtab_reader_): New data member.
2161         (Sized_incremental_binary::relocs_reader_): New data member.
2162         (Sized_incremental_binary::got_plt_reader_): New data member.
2163         (Sized_incremental_binary::current_input_file_): New data member.
2164
2165 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2166
2167         PR gold/12640
2168         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2169         violation.
2170
2171 2011-03-30  Cary Coutant  <ccoutant@google.com>
2172
2173         * archive.cc (Archive::include_member): Adjust call to report_object.
2174         (Add_archive_symbols::run): Add script_info to call to
2175         report_archive_begin.
2176         (Lib_group::include_member): Adjust call to report_object.
2177         (Add_lib_group_symbols::run): Adjust call to report_object.
2178         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2179         blocks.  Add object count for script input files.
2180         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2181         script_info parameter; change all callers.
2182         (Incremental_inputs::report_object): Add script_info parameter;
2183         change all callers.
2184         (Incremental_inputs::report_script): Store backpointer to
2185         incremental info entry.
2186         (Output_section_incremental_inputs::set_final_data_size): Record
2187         additional information for scripts.
2188         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2189         * incremental.h (Incremental_script_entry::add_object): New function.
2190         (Incremental_script_entry::get_object_count): New function.
2191         (Incremental_script_entry::get_object): New function.
2192         (Incremental_script_entry::objects_): New data member; adjust
2193         constructor.
2194         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2195         (Incremental_inputs::report_object): Add script_info parameter.
2196         (Incremental_inputs_reader::get_object_count): New function.
2197         (Incremental_inputs_reader::get_object_offset): New function.
2198         * options.cc (Input_arguments::add_file): Return reference to
2199         new input argument.
2200         * options.h (Input_argument::set_script_info): New function.
2201         (Input_argument::script_info): New function.
2202         (Input_argument::script_info_): New data member; adjust all
2203         constructors.
2204         (Input_file_group::add_file): Return reference to new input argument.
2205         (Input_file_lib::add_file): Likewise.
2206         (Input_arguments::add_file): Likewise.
2207         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2208         * script.cc (Parser_closure::Parser_closure): Add script_info
2209         parameter; adjust all callers.
2210         (Parser_closure::script_info): New function.
2211         (Parser_closure::script_info_): New data member.
2212         (read_input_script): Report scripts earlier to incremental info.
2213         (script_add_file): Set script_info in Input_argument.
2214         (script_add_library): Likewise.
2215         * script.h (Script_options::Script_info): Rewrite class.
2216
2217 2011-03-29  Cary Coutant  <ccoutant@google.com>
2218
2219         * archive.cc (Library_base::should_include_member): Move
2220         method here from class Archive.
2221         (Archive::Archive): Initialize base class.
2222         (Archive::should_include_member): Move to base class.
2223         (Archive::do_for_all_unused_symbols): New function.
2224         (Add_archive_symbols::run): Remove redundant access to
2225         incremental_inputs.
2226         (Lib_group::Lib_group): Initialize base class.
2227         (Lib_group::do_filename): New function.
2228         (Lib_group::include_member): Pass pointer to Lib_group to
2229         report_object.
2230         (Lib_group::do_for_all_unused_symbols): New function.
2231         (Add_lib_group_symbols::run): Report archive information for
2232         incremental links.
2233         * archive.h (class Library_base): New base class.
2234         (class Archive): Derive from Library_base.
2235         (Archive::filename): Move to base class.
2236         (Archive::set_incremental_info): Likewise.
2237         (Archive::incremental_info): Likewise.
2238         (Archive::Should_include): Likewise.
2239         (Archive::should_include_member): Likewise.
2240         (Archive::Armap_entry): Remove.
2241         (Archive::Unused_symbol_iterator): Remove.
2242         (Archive::unused_symbols_begin): Remove.
2243         (Archive::unused_symbols_end): Remove.
2244         (Archive::do_filename): New function.
2245         (Archive::do_get_mtime): New function.
2246         (Archive::do_for_all_unused_symbols): New function.
2247         (Archive::task_): Move to base class.
2248         (Archive::incremental_info_): Likewise.
2249         (class Lib_group): Derive from Library_base.
2250         (Lib_group::do_filename): New function.
2251         (Lib_group::do_get_mtime): New function.
2252         (Lib_group::do_for_all_unused_symbols): New function.
2253         (Lib_group::task_): Move to base class.
2254         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2255         function.
2256         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2257         function.
2258         * incremental.cc (Incremental_inputs::report_archive_begin):
2259         Use Library_base; call library's get_mtime; add incremental inputs
2260         entry before members.
2261         (class Unused_symbol_visitor): New class.
2262         (Incremental_inputs::report_archive_end): Use Library_base; use
2263         visitor class to record unused symbols; don't add incremental inputs
2264         entry after members.
2265         (Incremental_inputs::report_object): Use Library_base.
2266         * incremental.h
2267         (Incremental_archive_entry::Incremental_archive_entry): Remove
2268         unused Archive parameter.
2269         (Incremental_inputs::report_archive_begin): Use Library_base.
2270         (Incremental_inputs::report_archive_end): Likewise.
2271         (Incremental_inputs::report_object): Likewise.
2272         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2273         function.
2274         * object.h (Object::for_all_global_symbols): New function.
2275         (Object::do_for_all_global_symbols): New function.
2276         (Sized_relobj::do_for_all_global_symbols): New function.
2277         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2278         function.
2279         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2280         function.
2281
2282 2011-03-27  Ian Lance Taylor  <iant@google.com>
2283
2284         * archive.cc (Archive::interpret_header): Return -1 if something
2285         goes wrong.  Change callers accordingly.
2286
2287 2011-03-25  Cary Coutant  <ccoutant@google.com>
2288
2289         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2290         * testsuite/Makefile.in: Regenerate.
2291
2292 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2293
2294         * plugin.cc (get_view): New.
2295         (Plugin::load): Pass get_view to the plugin.
2296         (Plugin_manager::get_view): New.
2297
2298 2011-03-21  Ian Lance Taylor  <iant@google.com>
2299
2300         * testsuite/final_layout.sh: Rewrite to not use dc.
2301         * testsuite/relro_test.sh: Fail if dc is not present.
2302
2303 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2304
2305         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2306         Change == to -eq.
2307         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2308         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2309         Change == to -eq.
2310         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2311         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2312
2313 2011-03-14  Ian Lance Taylor  <iant@google.com>
2314
2315         * script-sections.cc (Sort_output_sections::script_compare):
2316         Rename from is_before, change return type.
2317         (Sort_output_sections::operator()): Adjust accordingly.
2318
2319 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2320
2321         PR gold/12572
2322         * testsuite/odr_violation2.cc: Add comment to make all error line
2323         numbers double digits.
2324         * testsuite/debug_msg.sh: Adjust expected errors.
2325
2326 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2327
2328         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2329         but mark earlier ones as non-canonical
2330         (offset_to_iterator): Update search target and example
2331         (do_addr2line): Return extra lines in a vector*
2332         (format_file_lineno): Extract from do_addr2line
2333         (one_addr2line): Add vector* out-param
2334         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2335         when a lineno entry appeared last for its instruction
2336         (Dwarf_line_info): Add vector* out-param
2337         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2338         * symtab.cc (Odr_violation_compare): Include the lineno in the
2339         comparison again.
2340         (linenos_from_loc): New. Combine the canonical line for an
2341         address with its other lines.
2342         (True_if_intersect): New. Helper functor to make
2343         std::set_intersection a query.
2344         (detect_odr_violations): Compare sets of lines instead of just
2345         one line for each function. This became less deterministic, but
2346         has fewer false positives.
2347         * symtab.h: Declarations.
2348         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2349         mix an optimized and non-optimized object in the same binary
2350         (odr_violation2.so): Same.
2351         * testsuite/Makefile.in: Regenerate from Makefile.am.
2352         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2353         * testsuite/debug_msg.sh: Update line numbers and add
2354         assertions.
2355         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2356         non-optimized context.
2357         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2358         isn't inlined, and use OdrDerived in an optimized context.
2359         * testsuite/odr_header1.h: Defines OdrDerived, where
2360         optimization will change the
2361         first-instruction-in-the-destructor's file and line number.
2362         * testsuite/odr_header2.h: Defines OdrBase.
2363
2364 2011-03-09  Ian Lance Taylor  <iant@google.com>
2365
2366         * fileread.cc (File_read::clear_views): Don't delete the whole
2367         file view.
2368
2369 2011-03-08  Ian Lance Taylor  <iant@google.com>
2370
2371         PR gold/12525
2372         * fileread.cc: #include <climits>.
2373         (GOLD_IOV_MAX): Define.
2374         (File_read::read_multiple): Limit number of entries by iov_max.
2375         * fileread.h (class File_read): Always set max_readv_entries to
2376         128.
2377
2378 2011-03-07  Ian Lance Taylor  <iant@google.com>
2379
2380         PR gold/12525
2381         * options.h (class General_options): Add -dy and -dn.
2382
2383 2011-03-02  Cary Coutant  <ccoutant@google.com>
2384
2385         * testsuite/script_test_9.t: Add TLS segment.
2386
2387 2011-03-02  Simon Baldwin  <simonb@google.com>
2388
2389         * configure.ac: Add check for gnu_indirect_function support in
2390         the toolchain building binutils.
2391         * configure: Rebuild.
2392
2393 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2394
2395         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2396         plugin only symbols.
2397         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2398         in plugin files as not needed in the symbol table.
2399
2400 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2401
2402         * output.cc (Output_section::add_input_section): Delay fill
2403         generation for section ordering.
2404
2405 2011-02-09  Ian Lance Taylor  <iant@google.com>
2406
2407         PR gold/12316
2408         * object.h (class Sized_relobj): Remove clear_local_symbols.
2409         * reloc.cc (Sized_relobj::do_relocate): Don't call
2410         clear_local_symbols.
2411
2412 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2413
2414         * plugin.cc (is_visible_from_outside): Return true for symbols
2415         in the -u option.
2416
2417 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2418
2419         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2420         filename.
2421
2422 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2423
2424         * icf.h (is_section_foldable_candidate): Change type of parameter
2425         to std::string.
2426         * icf.cc (Icf::find_identical_sections): Change type of local variable
2427         section_name to be std::string.
2428         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2429
2430 2011-01-25  Ian Lance Taylor  <iant@google.com>
2431
2432         * script.cc (script_add_extern): Rewrite to use
2433         add_symbol_reference.
2434
2435 2011-01-25  Doug Kwan  <dougkwan@google.com>
2436
2437         * icf.cc (get_section_contents): Always lock section's object.
2438
2439 2011-01-24  Ian Lance Taylor  <iant@google.com>
2440
2441         * options.h (class General_options): Accept
2442         --no-detect-odr-violations.
2443
2444 2011-01-24  Ian Lance Taylor  <iant@google.com>
2445
2446         * version.cc (version_string): Bump to 1.11.
2447
2448 2011-01-24  Ian Lance Taylor  <iant@google.com>
2449
2450         * plugin.cc (class Plugin_rescan): Define new class.
2451         (Plugin_manager::claim_file): Set any_claimed_.
2452         (Plugin_manager::save_archive): New function.
2453         (Plugin_manager::save_input_group): New function.
2454         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2455         necessary.
2456         (Plugin_manager::new_undefined_symbol): New function.
2457         (Plugin_manager::rescan): New function.
2458         (Plugin_manager::rescannable_defines): New function.
2459         (Plugin_manager::add_input_file): Set any_added_.
2460         * plugin.h (class Plugin_manager): define new fields rescannable_,
2461         undefined_symbols_, any_claimed_, and any_added_.  Declare
2462         Plugin_rescan as friend.  Declare new functions.
2463         (Plugin_manager::Rescannable): Define type.
2464         (Plugin_manager::Rescannable_list): Define type.
2465         (Plugin_manager::Undefined_symbol_list): Define type.
2466         (Plugin_manager::Plugin_manager): Initialize new fields.
2467         * archive.cc (Archive::defines_symbol): New function.
2468         (Add_archive_symbols::run): Pass archive to plugins if any.
2469         * archive.h (class Archive): Declare defines_symbol.
2470         * readsyms.cc (Input_group::~Input_group): New function.
2471         (Finish_group::run): Pass input_group to plugins if any.
2472         * readsyms.h (class Input_group): Declare destructor.
2473         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2474         any.
2475
2476 2011-01-10  Ian Lance Taylor  <iant@google.com>
2477
2478         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2479         section as relro.
2480         (Layout::set_segment_offsets): Reset increase_relro before calling
2481         set_section_addresses a second time.
2482
2483 2011-01-04  Cary Coutant  <ccoutant@google.com>
2484
2485         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2486         sections before NOBITS sections.
2487
2488 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2489
2490         * version.cc (print_version): Update copyright to 2011.
2491
2492 2010-12-23  Cary Coutant  <ccoutant@google.com>
2493
2494         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2495         of OS to this->add.  Add OD parameter to second form of the function.
2496
2497 2010-12-20  Ian Lance Taylor  <iant@google.com>
2498
2499         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2500         second of two consecutive entries with same offset.
2501
2502 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2503
2504         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2505         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2506         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2507         to avoid unneeded links against $(LDADD).
2508         * testsuite/Makefile.in: Regenerate.
2509
2510 2010-12-15  Ian Lance Taylor  <iant@google.com>
2511
2512         PR gold/12324
2513         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2514         for R_X86_64_32 and R_X86_64_PC32.
2515         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2516         ver_matching_def_pic.o.
2517         (ver_matching_def_pic.o): New target.
2518
2519 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2520
2521         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2522         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2523         Move definition before File_read::View member definitions.
2524         (File_read::View::~View): Initialize and hold lock before
2525         updating current_mapped_bytes.
2526
2527 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2528
2529         * dwarf_reader.cc: Remove outdated comment.
2530         * gold-threads.cc: Fix typo in error message.
2531         * archive.cc: Fix typos in comments.
2532         * archive.h: Likewise.
2533         * arm-reloc-property.cc: Likewise.
2534         * arm-reloc-property.h: Likewise.
2535         * arm-reloc.def: Likewise.
2536         * arm.cc: Likewise.
2537         * attributes.h: Likewise.
2538         * cref.cc: Likewise.
2539         * ehframe.cc: Likewise.
2540         * fileread.h: Likewise.
2541         * gold.h: Likewise.
2542         * i386.cc: Likewise.
2543         * icf.cc: Likewise.
2544         * incremental.h: Likewise.
2545         * int_encoding.cc: Likewise.
2546         * layout.h: Likewise.
2547         * main.cc: Likewise.
2548         * merge.h: Likewise.
2549         * object.cc: Likewise.
2550         * object.h: Likewise.
2551         * options.cc: Likewise.
2552         * readsyms.cc: Likewise.
2553         * reduced_debug_output.cc: Likewise.
2554         * reloc.cc: Likewise.
2555         * script-sections.cc: Likewise.
2556         * sparc.cc: Likewise.
2557         * symtab.h: Likewise.
2558         * target-reloc.h: Likewise.
2559         * target.cc: Likewise.
2560         * target.h: Likewise.
2561         * timer.cc: Likewise.
2562         * timer.h: Likewise.
2563         * x86_64.cc: Likewise.
2564
2565 2010-12-09  Cary Coutant  <ccoutant@google.com>
2566
2567         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2568         stack.
2569         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2570         parameter; change all callers.
2571         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2572         * options.h (warn_execstack): New option.
2573
2574 2010-12-07  Doug Kwan  <dougkwan@google.com>
2575
2576         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2577         like function call relocations.
2578
2579 2010-12-07  Ian Lance Taylor  <iant@google.com>
2580
2581         * archive.cc (Archive::get_elf_object_for_member): Permit
2582         punconfigured to be NULL.
2583         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2584         (Archive::include_member): Pass NULL to get_elf_object_for_member
2585         if we searched for the archive and this is the first included
2586         object.
2587
2588 2010-12-01  Ian Lance Taylor  <iant@google.com>
2589
2590         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2591         track_relocs_type_ field.
2592         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2593         Set track_relocs_type_.
2594         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2595         contents when using RELA relocs.
2596         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2597         reloc_map_.
2598         * reloc.cc (Track_relocs::next_addend): New function.
2599         * reloc.h (class Track_relocs): Declare next_addend.
2600
2601 2010-12-01  Ian Lance Taylor  <iant@google.com>
2602
2603         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2604         virtual destructor.
2605
2606 2010-12-01  Ian Lance Taylor  <iant@google.com>
2607
2608         * README: Update compilers known to work and fail.
2609
2610 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2611
2612         * configure.in: For --enable-gold, handle value `default' instead of
2613         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2614         not the default.
2615         * configure: Regenerate.
2616
2617 2010-11-18  Doug Kwan  <dougkwan@google.com>
2618
2619         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2620         and right_alignment to be zero.  Store result alignment only if it is
2621         greater than existing alignment.
2622
2623 2010-11-16  Cary Coutant  <ccoutant@google.com>
2624
2625         PR gold/12220
2626         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2627         Check for ".zdebug_line".
2628
2629 2010-11-16  Doug Kwan  <dougkwan@google.com>
2630             Cary Coutant  <ccoutant@google.com>
2631
2632         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2633         by reference; adjust all callers.
2634         * output.cc (Output_segment::set_section_addresses): Adjust references
2635         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2636         list is empty.
2637         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2638         end at page boundary.
2639
2640 2010-11-16  Cary Coutant  <ccoutant@google.com>
2641
2642         PR gold/12220
2643         * layout.cc (Layout::choose_output_section): Transform names of
2644         compressed sections even when using a script with a SECTIONS clause.
2645         (Layout::output_section_name): Remove code to transform
2646         compressed debug section names.
2647         * output.cc (Output_section::add_input_section): Use uncompressed
2648         section size when tracking input sections.
2649
2650 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2651
2652         * symtab.h (Symbol::NON_PIC_REF): Remove.
2653         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2654         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2655         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2656         (Symbol::use_plt_offset): Take a flags argument and pass it
2657         directly to needs_dynamic_reloc.  Restrict check for undefined
2658         weak symbols to function calls.
2659         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2660         (Target_arm::Scan::global): Use it.
2661         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2662         (Target_arm::Relocate::relocate): Likewise.
2663         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2664         parameter with an r_type parameter.  Use get_reference_flags
2665         to get the flags.
2666         (Target_arm::Relocate::relocate): Update accordingly.
2667         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2668         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2669         (Target_i386::Scan::global): Likewise.
2670         (Target_i386::Relocate::relocate): Likewise.
2671         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2672         parameter with an r_type parameter.  Use get_reference_flags
2673         to get the flags.
2674         (Target_i386::Relocate::relocate): Update accordingly.
2675         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2676         (Target_powerpc::Scan::global): Use it.
2677         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2678         (Target_powerpc::Relocate::relocate): Likewise.
2679         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2680         (Target_sparc::Scan::global): Use it.
2681         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2682         (Target_sparc::Relocate::relocate): Likewise.
2683         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2684         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2685         (Target_x86_64::Scan::global): Likewise.
2686         (Target_x86_64::Relocate::relocate): Likewise.
2687
2688 2010-11-08  Doug Kwan  <dougkwan@google.com>
2689             Cary Coutant  <ccoutant@google.com>
2690
2691         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2692         (Arm_exidx_merge_section::section_contents_): New data member.
2693         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2694         (Arm_input_section::~Arm_input_section): De-allocate memory.
2695         (Arm_input_section::original_contents_): New data member.
2696         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2697         in parameters instead of calling Object::section_contents without
2698         locking.
2699         (Arm_output_section::group_section): New parameter TASK.  Pass it
2700         to callees that need locking objects.
2701         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2702         to lock EXIDX input sections.  Fix a formatting issue.  Call
2703         Arm_exidx_merged_section::build_contents to create merged section
2704         contents.
2705         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2706         to lock object of stub table owner.
2707         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2708         TEXT_SIZE to initialize data member TEXT_SIZE_.
2709         (Arm_exidx_input_section::addralign): Fix typo in comment.
2710         (Arm_exidx_input_section::text_size): New method.
2711         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2712         that require locking objects.  Lock objects before scanning for stubs
2713         and updating local symbols.
2714         (Arm_input_section<big_endian>::init): Copy contents of original
2715         input section.
2716         (Arm_input_section<big_endian>::do_write): Use saved contents of
2717         original input section instead of calling Object::section_contents
2718         without locking.
2719         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2720         size without calling Object::section_size().
2721         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2722         for size.  Allocate a buffer for merged EXIDX entries.
2723         (Arm_exidx_merged_section::build_contents): New method.
2724         (Arm_exidx_merged_section::do_write): Move merge section contents
2725         building code to Arm_exidx_merged_section::build_contetns.  Write
2726         out contetns in buffer instead of building it on the fly.
2727         (Arm_relobj::make_exidx_input_section): Also pass text section size
2728         to Arm_exidx_input_section constructor.
2729         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2730         (Arm_dynobj::do_read_symbols): Fix memory leak.
2731         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2732         * target.h: (class Task): Add forward declaration.
2733         (Target::relax): Add new parameter TASK and pass it to
2734         Target::do_relax().
2735         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2736
2737 2010-11-05  Cary Coutant  <ccoutant@google.com>
2738
2739         PR gold/10708
2740         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2741         object when reading from the file.
2742         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2743         second layout pass.
2744         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2745         when reading section contents.
2746         (get_section_contents): Likewise.
2747         (icf::find_identical_sections): Likewise.
2748         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2749         object when reading from the file.
2750         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2751         the object when doing deferred section layout.
2752
2753 2010-11-03  Nick Clifton  <nickc@redhat.com>
2754
2755         PR gold/12001
2756         * script.h (class Symbol_assignment: name): New member.  Returns
2757         the name of the symbol.
2758         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2759         Returns true if the given symbol name is on the list of
2760         assignments wating to be processed.
2761         * archive.cc (should_incldue_member): If the symbol is undefined,
2762         check to see if it is on the list of symbols pending assignment.
2763
2764 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2765
2766         * script-sections.cc (Script_sections::find_memory_region): Check
2767         for a NULL output section pointer.
2768
2769 2010-10-29  Doug Kwan  <dougkwan@google.com>
2770
2771         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2772         Output_section::add_relaxed_input_section.
2773         * output.cc (Output_section::add_relaxed_input_section): Add new
2774         arguments LAYOUT and NAME.  Set section order index.
2775         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2776         Copy section order index.
2777         * output.h (Output_section::add_relaxed_input_section): Add new
2778         arguments LAYOUT and NAME.
2779
2780 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2781
2782         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2783         NATIVE_OR_CROSS_LINKER.
2784         * testsuite/Makefile.in: Regenerate.
2785
2786 2010-10-20  Doug Kwan  <dougkwan@google.com>
2787
2788         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2789         without SHF_LINK_ORDER flags.
2790         * layout.cc (Layout::choose_output_section): Do not filter
2791         SHF_LINK_ORDER flag in a relocatable link.
2792
2793 2010-10-17  Cary Coutant  <ccoutant@google.com>
2794
2795         * output.h (Output_segment::set_section_addresses): Change function
2796         signature.  Update all callers.
2797         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2798         sections.
2799         (Output_segment::set_section_addresses): Align after last TLS
2800         section.  Add padding before last relro section instead of after.
2801
2802 2010-10-17  Doug Kwan  <dougkwan@google.com>
2803
2804         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2805         GOT output section to be writable.
2806
2807 2010-10-14  Cary Coutant  <ccoutant@google.com>
2808
2809         * debug.h (DEBUG_INCREMENTAL): New flag.
2810         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2811         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2812         mode.
2813         * incremental.cc (report_command_line): Ignore all forms of
2814         --incremental.
2815         * layout.cc (Layout::Layout): Check parameters for incremental link
2816         mode.
2817         * options.cc (General_options::parse_incremental): New function.
2818         (General_options::parse_no_incremental): New function.
2819         (General_options::parse_incremental_full): New function.
2820         (General_options::parse_incremental_update): New function.
2821         (General_options::incremental_mode_): New data member.
2822         (General_options::finalize): Check incremental_mode_.
2823         * options.h (General_options): Update help text for --incremental.
2824         Add --no-incremental, --incremental-full, --incremental-update.
2825         (General_options::Incremental_mode): New enum type.
2826         (General_options::incremental_mode): New function.
2827         (General_options::incremental_mode_): New data member.
2828         * parameters.cc (Parameters::incremental_mode_): New data member.
2829         (Parameters::set_options): Set incremental_mode_.
2830         (Parameters::set_incremental_full): New function.
2831         (Parameters::incremental): New function.
2832         (Parameters::incremental_update): New function.
2833         (set_parameters_incremental_full): New function.
2834         * parameters.h (Parameters::set_incremental_full): New function.
2835         (Parameters::incremental): New function.
2836         (Parameters::incremental_update): New function.
2837         (Parameters::incremental_mode_): New data member.
2838         (set_parameters_incremental_full): New function.
2839         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2840         incremental link mode.
2841         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2842         (Sized_relobj::do_relocate_sections): Likewise.
2843         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2844         option.
2845         * testsuite/Makefile.in: Regenerate.
2846         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2847
2848 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2849
2850         * script-sections.h (class Script_sections): Make
2851         Sections_elements typedef public.
2852         * script-sections.cc (class Sort_output_sections): Add elements_
2853         field.  Add constructor which sets it; change all callers.
2854         (Sort_output_sections::is_before): New function.
2855         (Sort_output_sections::operator()): Call is_before.
2856         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2857         conditional.
2858         * testsuite/script_test_10.sh: New test. Test script section
2859         order.
2860         * testsuite/script_test_10.t: Likewise.
2861         * testsuite/script_test_10.s: Likewise.
2862         * testsuite/Makefile.am: Wrap the cross linker tests and the
2863         common tests into NATIVE_OR_CROSS_LINKER.
2864         (check_SCRIPTS): Add script_test_10.sh.
2865         (check_DATA): Add script_test_10.stdout.
2866         (script_test_10.o, script_test_10): New targets.
2867         (script_test_10.stdout): New target.
2868         * configure, testsuite/Makefile.in: Regenerate.
2869
2870 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2871
2872         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2873         error for the deprecated relocations.
2874         (Target_arm::Scan::global): Likewise.
2875         (Target_arm::Relocate::relocate): Likewise.
2876
2877 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2878
2879         * fileread.cc (Input_file::find_file): Initialize *found_name
2880         and *namep when using the fallback search for case 4.
2881
2882 2010-10-11  Cary Coutant  <ccoutant@google.com>
2883
2884         * options.h (class General_options): Redefine -z lazy as an alias for
2885         the negation of -z now.
2886
2887 2010-10-11  Ian Lance Taylor  <iant@google.com>
2888
2889         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2890         binding.
2891
2892 2010-10-06  Nick Clifton  <nickc@redhat.com>
2893
2894         * script-sections.cc(class Memory_region): Remove
2895         current_lma_offset_ field.  Rename current_vma_offset_ to
2896         current_offset_.  Add last_section_ field.
2897         (Memory_region::get_current_vma_address): Rename to
2898         get_current_address.
2899         (Memory_region::get_current_lma_address): Delete.
2900         (Memory_region::increment_vma_offset): Rename to
2901         increment_offset.
2902         (Memory_region::increment_lma_offset): Delete.
2903         (Memory_region::attributes_compatible): New method.  Returns
2904         true if the provided section is compatible with the region.
2905         (Memory_region::get_last_section): New method.  Returns the last
2906         section to use the region.
2907         (Memory_region::set_last_section): New method.  Stores the last
2908         section to use the region.
2909         (Script_sections::block_in_region): New method.  Returns true if
2910         a block of memory is contained within a region.
2911         (Script_sections::find_memory_region): New method.  Locates a
2912         memory region to be used to set a VMA or LMA address.
2913         (Output_section_definition::set_section_addresses): Add code to
2914         check for addresses set by memory regions.
2915         (Output_segment::set_section_addresses): Remove memory region
2916         walking code.
2917         (Script_sections::create_segment): Add a warning if a header
2918         segment is created outside of any region.
2919         * script-sections.h (class Script_sections): Add prototypes for
2920         find_memory_region and block_in_region methods.
2921         * testsuite/memory_test.s: Use .long instead of .word.
2922         * testsuite/memory_test.t: Add some more output sections.
2923         * testsuite/memory_test.sh: Update expected output.
2924
2925 2010-10-02  Doug Kwan  <dougkwan@google.com>
2926
2927         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2928         defintion to symtab.h
2929         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2930         declaration to defintion.
2931
2932 2010-10-01  Nick Clifton  <nickc@redhat.com>
2933
2934         * expression.cc (eval): Replace dummy argument with NULL.
2935         (eval_maybe_dot): Check for a NULL result section pointer.
2936         (Symbol_expression::value): Likewise.
2937         (Dot_expression::value): Likewise.
2938         (BINARY_EXPRESSION): Likewise.
2939         (Max_expression::value): Likewise.
2940         (Min_expression::value): Likewise.
2941         (Absolute_expression::value): Likewise.
2942         (Addr_expression::value_from_output_section): Likewise.
2943         (Loaddddr_expression::value_from_output_section): Likewise.
2944         (Segment_start_expression::value): Likewise.
2945         * script-sections.cc
2946         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2947         argument with NULL.
2948         (Sections_elememt_dot_assignment::set_section_addresses):
2949         Likewise.
2950         (Output_data_expression::do_write_to_buffer): Likewise.
2951         (Output_section_definition::finalize_symbols): Likewise.
2952         (Output_section_definition::set_section_addresses): Likewise.
2953
2954 2010-09-30  Doug Kwan  <dougkwan@google.com>
2955
2956         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2957
2958 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2959
2960         * target.h (Target::can_icf_inline_merge_sections): New virtual
2961         function.
2962         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2963         virtual function.
2964         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2965         virtual function.
2966         * icf.cc (get_section_contents): Inline merge sections only when
2967         target allows it.
2968
2969 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2970
2971         * configure: Regenerate.
2972
2973 2010-09-17  Ian Lance Taylor  <iant@google.com>
2974
2975         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2976         * testsuite/Makefile.am (memory_test.o): New target.
2977         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2978         memory_test.t.
2979         * testsuite/Makefile.in: Rebuild.
2980
2981 2010-09-17  Doug Kwan  <dougkwan@google.com>
2982
2983         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2984         defintion if relocation uses GOT entries of the symbol.
2985         * testsuite/icf_safe_test.sh: Fix test.
2986         * testsuite/icf_safe_so_test.sh: Fix test.
2987
2988 2010-09-16  Cary Coutant  <ccoutant@google.com>
2989
2990         * script_sections.cc (class Memory_region): Remove "NULL" from
2991         vector initializations.
2992
2993 2010-09-15  Cary Coutant  <ccoutant@google.com>
2994
2995         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2996         Resolve forwarding symbols.
2997
2998 2010-09-15  Doug Kwan  <dougkwan@google.com>
2999
3000         * gold/testsuite/script_test_3.t: Add ARM special sections.
3001         * gold/testsuite/script_test_4.t: Same.
3002         * gold/testsuite/script_test_5.t: Same.
3003         * gold/testsuite/script_test_6.t: Same.
3004         * gold/testsuite/script_test_7.t: Same.
3005         * gold/testsuite/script_test_7.t: Same.
3006         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3007
3008 2010-09-14  Cary Coutant  <ccoutant@google.com>
3009
3010         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3011         (Target_x86_64::Relocate::relocate_tls): Replace check for
3012         saw_tls_block_reloc_ with test for executable section.
3013
3014 2010-09-12  Cary Coutant  <ccoutant@google.com>
3015
3016         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3017         position-independent executables to shared libraries need dynamic
3018         relocations.
3019         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3020         position-independent executables.
3021         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3022         * testsuite/Makefile.in: Regenerate.
3023
3024 2010-09-10  Nick Clifton  <nickc@redhat.com>
3025
3026         PR gold/11997
3027         * testsuite/memory_test.t: Discard any sections that are not
3028         needed.
3029
3030 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3031
3032         PR gold/11996
3033         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3034         "This::" to work around a bug in gcc 4.2.
3035
3036         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3037
3038 2010-09-09  Rafael Espindola  <espindola@google.com>
3039
3040         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3041         sections with different PF_X flags in the same segment.
3042         (Layout::find_first_load_seg): Search all segments to find the first
3043         one.
3044         * options.h (rosegment): New.
3045
3046 2010-09-08  Rafael Espindola  <espindola@google.com>
3047
3048         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3049
3050 2010-09-08  Doug Kwan  <dougkwan@google.com>
3051
3052         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3053         (Arm_relobj::do_relocate_sections): Add new parameter for output
3054         file to match the parent.
3055         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3056         of local symbols instead of input values.  Update code to track
3057         changes in gold::relocate_section.
3058         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3059         (Sized_relobj::compute_final_local_value_internal): New methods.
3060         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3061         body into private version of Sized_relobj::compute_final_local_value.
3062         Call the inline method.
3063         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3064         merged symbol value if there is one.
3065         (Symbol_value::has_output_value): New method defintiion.
3066         (Sized_relobj::Compute_final_local_value_status): New enum type.
3067         (Sized_relobj::compute_final_local_value): New methods.
3068         (Sized_relobj::compute_final_local_value_internal): New methods.
3069         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3070         and arm_cortex_a8.sh.
3071         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3072         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3073         New tests.
3074         * Makefile.in: Regenerate.
3075         * testsuite/arm_bl_out_of_range.s: Update test.
3076         * testsuite/thumb_bl_out_of_range.s: Ditto.
3077         * testsuite/thumb_blx_out_of_range.s: Ditto.
3078         * testsuite/arm_branch_out_of_range.sh: New file.
3079         * testsuite/arm_cortex_a8.sh: Ditto.
3080         * testsuite/arm_cortex_a8_b.s: Ditto.
3081         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3082         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3083         * testsuite/arm_cortex_a8_bl.s: Ditto.
3084         * testsuite/arm_cortex_a8_blx.s: Ditto.
3085         * testsuite/arm_cortex_a8_local.s: Ditto.
3086         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3087         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3088
3089 2010-09-08  Rafael Espindola  <espindola@google.com>
3090
3091         * Makefile.am (memory_test.stdout): Run readelf with -W.
3092         * Makefile.in: Regenerate.
3093         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3094         64 bit output.
3095
3096 2010-09-08  Rafael Espindola  <espindola@google.com>
3097
3098         * script-sections.cc (Script_sections::add_memory_region): Convert
3099         field precision to int.
3100         * script.cc (script_set_section_region, script_set_section_region):
3101         Convert field precision to int.
3102
3103 2010-09-08  Rafael Espindola  <espindola@google.com>
3104
3105         * arm.cc (do_finalize_sections): Create the __exidx_start and
3106         __exdix_end symbols even when the section is missing.
3107
3108 2010-09-08  Nick Clifton  <nickc@redhat.com>
3109
3110         * README: Remove claim that MEMORY is not supported.
3111         * expression.cc (script_exp_function_origin)
3112         (script_exp_function_length): Move from here to ...
3113         * script.cc: ... here.
3114         (script_set_section_region, script_add_memory)
3115         (script_parse_memory_attr, script_include_directive): New
3116         functions.
3117         * script-sections.cc
3118         (class Memory_region): New class.
3119         (class Output_section_definition): Add set_memory_region,
3120         set_section_vma, set_section_lma and get_section_name methods.
3121         (class Script_Sections): Add add_memory_region,
3122         find_memory_region, find_memory_region_origin,
3123         find_memory_region_length and set_memory_region methods.
3124         Have set_section_addresses method walk the list of set memory
3125         regions.
3126         Extend the print methos to display memory regions.
3127         * script-sections.h: Add prototypes for new methods.
3128         Add enum for MEMORY region attributes.
3129         * yyscript.y: Add support for parsing MEMORY regions.
3130         * script-c.h: Add prototypes for new functions.
3131         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3132         * testsuite/Makefile.in: Regenerate.
3133         * testsuite/memory_test.sh: New script.
3134         * testsuite/memory_test.s: New assembler source file.
3135         * testsuite/memory_test.t: New linker script.
3136
3137 2010-08-27  Doug Kwan  <dougkwan@google.com>
3138
3139         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3140         reference override an existing dynamic weak reference.
3141         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3142         * testsuite/Makefile.in: Regenerate.
3143         * testsuite/dyn_weak_ref.sh: New file.
3144         * testsuite/dyn_weak_ref_1.c: Ditto.
3145         * testsuite/dyn_weak_ref_2.c: Ditto.
3146
3147 2010-08-27  Ian Lance Taylor  <iant@google.com>
3148
3149         * incremental.h (class Incremental_input_entry): Add virtual
3150         destructor.
3151
3152 2010-08-27  Ian Lance Taylor  <iant@google.com>
3153
3154         * testsuite/start_lib_test_3.c: Mark t3 as used.
3155
3156 2010-08-27  Nick Clifton  <nickc@redhat.com>
3157
3158         * options.cc (version_script): Fix small typo in previous
3159         whitespace tidyup.
3160
3161 2010-08-25  Nick Clifton  <nickc@redhat.com>
3162
3163         * archive.cc: Formatting fixes: Remove whitespace between
3164         typename and following asterisk.  Remove whitespace between
3165         function name and opening parenthesis.
3166         * archive.h: Likewise.
3167         * arm.cc: Likewise.
3168         * attributes.cc: Likewise.
3169         * attributes.h: Likewise.
3170         * common.cc: Likewise.
3171         * copy-relocs.cc: Likewise.
3172         * dirsearch.h: Likewise.
3173         * dynobj.cc: Likewise.
3174         * ehframe.cc: Likewise.
3175         * ehframe.h: Likewise.
3176         * expression.cc: Likewise.
3177         * fileread.cc: Likewise.
3178         * fileread.h: Likewise.
3179         * gc.h: Likewise.
3180         * gold-threads.cc: Likewise.
3181         * gold.cc: Likewise.
3182         * i386.cc: Likewise.
3183         * icf.h: Likewise.
3184         * incremental-dump.cc: Likewise.
3185         * incremental.cc: Likewise.
3186         * layout.cc: Likewise.
3187         * layout.h: Likewise.
3188         * main.cc: Likewise.
3189         * merge.cc: Likewise.
3190         * merge.h: Likewise.
3191         * object.cc: Likewise.
3192         * object.h: Likewise.
3193         * options.cc: Likewise.
3194         * options.h: Likewise.
3195         * output.cc: Likewise.
3196         * output.h: Likewise.
3197         * plugin.cc: Likewise.
3198         * plugin.h: Likewise.
3199         * powerpc.cc: Likewise.
3200         * reloc.cc: Likewise.
3201         * script-c.h: Likewise.
3202         * script-sections.cc: Likewise.
3203         * script.cc: Likewise.
3204         * stringpool.cc: Likewise.
3205         * symtab.cc: Likewise.
3206         * symtab.h: Likewise.
3207         * target.cc: Likewise.
3208         * timer.cc: Likewise.
3209         * timer.h: Likewise.
3210         * version.cc: Likewise.
3211         * x86_64.cc: Likewise.
3212
3213 2010-08-24  Nick Clifton  <nickc@redhat.com>
3214
3215         PR 11899
3216         * layout.cc (segment_precedes): Sort segments by their physical
3217         addresses, if they have been set.
3218
3219 2010-08-23  Cary Coutant  <ccoutant@google.com>
3220
3221         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3222         symbols data.
3223         (Lib_group::include_member): Unlock object after deleting its
3224         symbols data.
3225         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3226         the bug fixed here.
3227
3228 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3229             Cary Coutant  <ccoutant@google.com>
3230
3231         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3232         constructor, and set_blocker.
3233         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3234         readsyms_blocker_.
3235         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3236         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3237         * testsuite/Makefile.am (start_lib_test): New test case.
3238         * testsuite/Makefile.in: Regenerate.
3239         * testsuite/start_lib_test_main.c: New file.
3240         * testsuite/start_lib_test_1.c: New file.
3241         * testsuite/start_lib_test_2.c: New file.
3242         * testsuite/start_lib_test_3.c: New file.
3243
3244 2010-08-19  Ian Lance Taylor  <iant@google.com>
3245
3246         * Makefile.in: Rebuild with automake 1.11.1.
3247         * aclocal.m4: Likewise.
3248         * testsuite/Makefile.in: Likewise.
3249
3250 2010-08-19  Ian Lance Taylor  <iant@google.com>
3251
3252         PR 10893
3253         * i386.cc (class Output_data_plt_i386): Update declarations.
3254         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3255         local_ifuncs_ fields.
3256         (Target_i386::do_plt_section_for_global): New function.
3257         (Target_i386::do_plt_section_for_local): New function.
3258         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3259         parameter; change all callers.  Initialize global_ifuncs_ and
3260         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3261         __rel_iplt_end.
3262         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3263         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3264         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3265         symbols.
3266         (Target_i386::make_plt_section): New function, broken out of
3267         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3268         (Target_i386::make_plt_entry): Call make_plt_section.
3269         (Target_i386::make_local_ifunc_plt_entry): New function.
3270         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3271         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3272         R_386_IRELATIVE to switch.
3273         (Target_i386::Scan::global): Likewise.
3274         (Target_i386::Relocate::relocate): Likewise.
3275         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3276         switch.
3277         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3278         (Target_x86_64::do_plt_section_for_global): New function.
3279         (Target_x86_64::do_plt_section_for_local): New function.
3280         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3281         parameter; change all callers.  If doing a static link define
3282         __rela_iplt_start and __rela_iplt_end.
3283         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3284         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3285         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3286         to point to .plt.
3287         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3288         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3289         switch.
3290         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3291         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3292         R_X86_64_IRELATIVE to switch.
3293         (Target_x86_64::Scan::global): Likewise.
3294         (Target_x86_64::Relocate::relocate): Likewise.
3295         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3296         switch.
3297         * target.h (class Target): Add plt_section_for_global and
3298         plt_section_for_local functions.  Add do_plt_section_for_global
3299         and do_plt_section_for_local virtual functions.
3300         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3301         clarifying comments.
3302         (Symbol::use_plt_offset): Handle IFUNC symbol.
3303         * object.cc (Sized_relobj::Sized_relobj): Initialize
3304         local_plt_offsets_.
3305         (Sized_relobj::local_has_plt_offset): New function.
3306         (Sized_relobj::local_plt_offset): New function.
3307         (Sized_relobj::set_local_plt_offset): New function.
3308         (Sized_relobj::do_count): Handle IFUNC symbol.
3309         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3310         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3311         is_ifunc_symbol functions.
3312         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3313         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3314         local_plt_offsets_ field.
3315         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3316         * output.h (class Output_section_data): Add non-const
3317         output_section function.
3318         (class Output_data_got): Update declarations.
3319         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3320         Add use_plt_offset parameter to global and local constructors.
3321         Change all callers.  Change local_sym_index_ field to 31 bits.
3322         Change GSYM_CODE and CONSTANT_CODE accordingly.
3323         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3324         doing a static link don't set sh_link field.
3325         (Output_data_got::Got_entry::write): Use PLT offset if
3326         appropriate.
3327         (Output_data_got::add_global_plt): New function.
3328         (Output_data_got::add_local_plt): New function.
3329         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3330         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3331         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3332         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3333         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3334         IFUNC conditional.
3335         * testsuite/ifunc-sel.h: New file.
3336         * testsuite/ifuncmain1.c: New file.
3337         * testsuite/ifuncmain1vis.c: New file.
3338         * testsuite/ifuncmod1.c: New file.
3339         * testsuite/ifuncdep2.c: New file.
3340         * testsuite/ifuncmain2.c: New file.
3341         * testsuite/ifuncmain3.c: New file.
3342         * testsuite/ifuncmod3.c: New file.
3343         * testsuite/ifuncmain4.c: New file.
3344         * testsuite/ifuncmain5.c: New file.
3345         * testsuite/ifuncmod5.c: New file.
3346         * testsuite/ifuncmain6pie.c: New file.
3347         * testsuite/ifuncmod6.c: New file.
3348         * testsuite/ifuncmain7.c: New file.
3349         * configure, testsuite/Makefile.in: Rebuild.
3350
3351 2010-08-18  Ian Lance Taylor  <iant@google.com>
3352
3353         * incremental.cc
3354         (Output_section_incremental_inputs::write_input_files): Add cast
3355         to avoid signed/unsigned comparison warning.
3356         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3357
3358 2010-08-12  Cary Coutant  <ccoutant@google.com>
3359
3360         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3361
3362 2010-08-13  Ian Lance Taylor  <iant@google.com>
3363
3364         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3365
3366 2010-08-12  Cary Coutant  <ccoutant@google.com>
3367             Doug Kwan  <dougkwan@google.com>
3368
3369         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3370         defintion overrides non-weak undef, remember that the original undef
3371         is not weak.
3372         * symtab.cc (Symbol_table::sized_write_global): For undef without
3373         an original weak binding, set binding to global in output.
3374         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3375         * testsuite/Makefile.in: Regenerate.
3376         * testsuite/strong_ref_weak_def.sh: New file.
3377         * testsuite/strong_ref_weak_def_1.c: Ditto.
3378         * testsuite/strong_ref_weak_def_2.c: Ditto.
3379
3380 2010-08-12  Cary Coutant  <ccoutant@google.com>
3381
3382         * testsuite/incremental_test.sh: Rewrite.
3383         * testsuite/incremental_test_1.c: Rewrite.
3384         * testsuite/incremental_test_2.c: Rewrite.
3385
3386 2010-08-12  Cary Coutant  <ccoutant@google.com>
3387
3388         * arm.cc (Target_arm::got_size): Add const.
3389         (Target_arm::got_entry_count): New function.
3390         (Target_arm::plt_entry_count): New function.
3391         (Target_arm::first_plt_entry_offset): New function.
3392         (Target_arm::plt_entry_size): New function.
3393         (Output_data_plt_arm::entry_count): New function.
3394         (Output_data_plt_arm::first_plt_entry_offset): New function.
3395         (Output_data_plt_arm::get_plt_entry_size): New function.
3396         * i386.cc (Target_i386::got_size): Add const.
3397         (Target_i386::got_entry_count): New function.
3398         (Target_i386::plt_entry_count): New function.
3399         (Target_i386::first_plt_entry_offset): New function.
3400         (Target_i386::plt_entry_size): New function.
3401         (Output_data_plt_i386::entry_count): New function.
3402         (Output_data_plt_i386::first_plt_entry_offset): New function.
3403         (Output_data_plt_i386::get_plt_entry_size): New function.
3404         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3405         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3406         * incremental.cc: Include target.h.
3407         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3408         parameter.  Adjust all callers.  Find incremental_got_plt section.
3409         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3410         section.
3411         (Output_section_incremental_inputs::set_final_data_size): Calculate
3412         size of incremental_got_plt section.
3413         (Output_section_incremental_inputs::do_write): Write the
3414         incremental_got_plt section.
3415         (Got_plt_view_info): New struct.
3416         (Local_got_offset_visitor): New class.
3417         (Global_got_offset_visitor): New class.
3418         (Global_symbol_visitor_got_plt): New class.
3419         (Output_section_incremental_inputs::write_got_plt): New function.
3420         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3421         Add parameter.  Adjust all callers.
3422         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3423         (Incremental_inputs::got_plt_section): New function.
3424         (Incremental_inputs::got_plt_section_): New data member.
3425         (Incremental_got_plt_reader): New class.
3426         * layout.cc (Layout::create_incremental_info_sections): Add the
3427         incremental_got_plt section.
3428         * object.h (Got_offset_list::get_list): New function.
3429         (Got offset_list::for_all_got_offsets): New function.
3430         (Sized_relobj::local_got_offset_list): New function.
3431         * powerpc.cc (Target_powerpc::got_size): Add const.
3432         (Target_powerpc::got_entry_count): New function.
3433         (Target_powerpc::plt_entry_count): New function.
3434         (Target_powerpc::first_plt_entry_offset): New function.
3435         (Target_powerpc::plt_entry_size): New function.
3436         (Output_data_plt_powerpc::entry_count): New function.
3437         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3438         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3439         * sparc.cc (Target_sparc::got_size): Add const.
3440         (Target_sparc::got_entry_count): New function.
3441         (Target_sparc::plt_entry_count): New function.
3442         (Target_sparc::first_plt_entry_offset): New function.
3443         (Target_sparc::plt_entry_size): New function.
3444         (Output_data_plt_sparc::entry_count): New function.
3445         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3446         (Output_data_plt_sparc::get_plt_entry_size): New function.
3447         * symtab.h (Symbol::got_offset_list): New function.
3448         (Symbol_table::for_all_symbols): New function.
3449         * target.h (Sized_target::got_entry_count): New function.
3450         (Sized_target::plt_entry_count): New function.
3451         (Sized_target::plt_entry_size): New function.
3452         * x86_64.cc (Target_x86_64::got_size): Add const.
3453         (Target_x86_64::got_entry_count): New function.
3454         (Target_x86_64::plt_entry_count): New function.
3455         (Target_x86_64::first_plt_entry_offset): New function.
3456         (Target_x86_64::plt_entry_size): New function.
3457         (Output_data_plt_x86_64::entry_count): New function.
3458         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3459         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3460
3461 2010-08-12  Cary Coutant  <ccoutant@google.com>
3462
3463         * archive.cc: Include incremental.h.
3464         (Archive::Archive): Initialize incremental_info_.
3465         (Archive::include_member): Record archive members in incremental info.
3466         (Add_archive_symbols::run): Record begin and end of an archive in
3467         incremental info.
3468         (Lib_group::include_member): Record objects in incremental info.
3469         * archive.h (Incremental_archive_entry): Forward declaration.
3470         (Archive::set_incremental_info): New member function.
3471         (Archive::incremental_info): New member function.
3472         (Archive::Unused_symbol_iterator): New class.
3473         (Archive::unused_symbols_begin): New member function.
3474         (Archive::unused_symbols_end): New member function.
3475         (Archive::incremental_info_): New data member.
3476         * incremental-dump.cc (find_input_containing_global): New function.
3477         (dump_incremental_inputs): Dump new incremental info sections.
3478         * incremental.cc: Include symtab.h.
3479         (Output_section_incremental_inputs): New class.
3480         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3481         new incremental info sections.
3482         (Sized_incremental_binary::do_check_inputs): Likewise.
3483         (Incremental_inputs::report_archive): Remove.
3484         (Incremental_inputs::report_archive_begin): New function.
3485         (Incremental_inputs::report_archive_end): New function.
3486         (Incremental_inputs::report_object): New function.
3487         (Incremental_inputs::finalize_inputs): Remove.
3488         (Incremental_inputs::report_input_section): New function.
3489         (Incremental_inputs::report_script): Rewrite.
3490         (Incremental_inputs::finalize): Do nothing but finalize string table.
3491         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3492         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3493         (Incremental_inputs::create_data_sections): New function.
3494         (Incremental_inputs::relocs_entsize): New function.
3495         (Output_section_incremental_inputs::set_final_data_size): New function.
3496         (Output_section_incremental_inputs::do_write): New function.
3497         (Output_section_incremental_inputs::write_header): New function.
3498         (Output_section_incremental_inputs::write_input_files): New function.
3499         (Output_section_incremental_inputs::write_info_blocks): New function.
3500         (Output_section_incremental_inputs::write_symtab): New function.
3501         * incremental.h (Incremental_script_entry): Forward declaration.
3502         (Incremental_object_entry): Forward declaration.
3503         (Incremental_archive_entry): Forward declaration.
3504         (Incremental_inputs): Forward declaration.
3505         (Incremental_inputs_header_data): Remove.
3506         (Incremental_inputs_header): Remove.
3507         (Incremental_inputs_header_write): Remove.
3508         (Incremental_inputs_entry_data): Remove.
3509         (Incremental_inputs_entry): Remove.
3510         (Incremental_inputs_entry_write): Remove.
3511         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3512         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3513         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3514         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3515         Likewise.
3516         (Incremental_input_entry): New class.
3517         (Incremental_script_entry): New class.
3518         (Incremental_object_entry): New class.
3519         (Incremental_archive_entry): New class.
3520         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3521         (Incremental_inputs::report_inputs): Remove.
3522         (Incremental_inputs::report_archive): Remove.
3523         (Incremental_inputs::report_archive_begin): New function.
3524         (Incremental_inputs::report_archive_end): New function.
3525         (Incremental_inputs::report_object): Change prototype.
3526         (Incremental_inputs::report_input_section): New function.
3527         (Incremental_inputs::report_script): Change prototype.
3528         (Incremental_inputs::get_reloc_count): New function.
3529         (Incremental_inputs::set_reloc_count): New function.
3530         (Incremental_inputs::create_data_sections): New function.
3531         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3532         (Incremental_inputs::inputs_section): New function.
3533         (Incremental_inputs::symtab_section): New function.
3534         (Incremental_inputs::relocs_section): New function.
3535         (Incremental_inputs::get_stringpool): Add const.
3536         (Incremental_inputs::command_line): Add const.
3537         (Incremental_inputs::inputs): Remove.
3538         (Incremental_inputs::command_line_key): New function.
3539         (Incremental_inputs::input_file_count): New function.
3540         (Incremental_inputs::input_files): New function.
3541         (Incremental_inputs::relocs_entsize): New function.
3542         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3543         (Incremental_inputs::finalize_inputs): Remove.
3544         (Incremental_inputs::Input_info): Remove.
3545         (Incremental_inputs::lock_): Remove.
3546         (Incremental_inputs::inputs_): Change type.
3547         (Incremental_inputs::inputs_map_): Remove.
3548         (Incremental_inputs::current_object_entry_): New data member.
3549         (Incremental_inputs::inputs_section_): New data member.
3550         (Incremental_inputs::symtab_section_): New data member.
3551         (Incremental_inputs::relocs_section_): New data member.
3552         (Incremental_inputs::reloc_count_): New data member.
3553         (Incremental_inputs_reader): New class.
3554         (Incremental_symtab_reader): New class.
3555         (Incremental_relocs_reader): New class.
3556         * layout.cc (Layout::finalize): Move finalization of incremental info
3557         and creation of incremental info sections to follow finalization of
3558         symbol table.  Set offsets for postprocessing sections.
3559         (Layout::create_incremental_info_sections): Call
3560         Incremental_inputs::create_data_sections.  Add incremental symtab
3561         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3562         sections to layout after input sections.
3563         * layout.h (struct Timespec): Forward declaration.
3564         (Layout::incremental_inputs): Add const.
3565         (Layout::create_incremental_info_sections): Add parameter.
3566         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3567         * object.cc: Include incremental.h.
3568         (Relobj::finalize_incremental_relocs): New function.
3569         (Sized_relobj::do_layout): Record input sections in incremental info.
3570         * object.h (Object::output_section): New function.
3571         (Object::output_section_offset): Moved from Relobj.
3572         (Object::get_incremental_reloc_base): New function.
3573         (Object::get_incremental_reloc_count): New function.
3574         (Object::do_output_section): New function.
3575         (Object::do_output_section_offset): Moved from Relobj.
3576         (Object::do_get_incremental_reloc_base): New function.
3577         (Object::do_get_incremental_reloc_count): New function.
3578         (Object::Object): Initialize new data members.
3579         (Relobj::output_section): Renamed do_output_section and moved to
3580         protected.
3581         (Relobj::output_section_offset): Moved to Object.
3582         (Relobj::do_get_incremental_reloc_base): New function.
3583         (Relobj::do_get_incremental_reloc_count): New function.
3584         (Relobj::allocate_incremental_reloc_counts): New function.
3585         (Relobj::count_incremental_reloc): New function.
3586         (Relobj::finalize_incremental_relocs): New function.
3587         (Relobj::next_incremental_reloc_index): New function.
3588         (Relobj::reloc_counts_): New data member.
3589         (Relobj::reloc_bases_): New data member.
3590         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3591         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3592         (Sized_relobj::incremental_relocs_scan): New function.
3593         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3594         (Sized_relobj::incremental_relocs_write): New function.
3595         (Sized_relobj::incremental_relocs_write_reltype): New function.
3596         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3597         incremental link.
3598         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3599         archives and object files elsewhere.
3600         (Add_symbols::run): Report object files here.
3601         (Finish_group::run): Report end of archive at end of group.
3602         * reloc.cc: Include layout.h, incremental.h.
3603         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3604         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3605         (Sized_relobj::incremental_relocs_scan): New function.
3606         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3607         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3608         (Sized_relobj::incremental_relocs_write): New function.
3609         (Sized_relobj::incremental_relocs_write_reltype): New function.
3610         * script.cc (read_input_script): Rewrite test for incremental link.
3611         Change call to Incremental_inputs::report_script.
3612         * symtab.h (Symbol_table::first_global_index): New function.
3613         (Symbol_table::output_count): New function.
3614
3615 2010-08-12  Doug Kwan  <dougkwan@google.com>
3616
3617         * arm.cc (Target_arm::merge_object_attributes): Check command line
3618         options --no-wchar-size-warning and --no-enum-size-warning.
3619         * options.h (General_options): Add ld-compatible options
3620         --no-enum-size-warning and --no-wchar-size-warning.
3621
3622 2010-08-04  Ian Lance Taylor  <iant@google.com>
3623
3624         * x86_64.cc (Target_x86_64::Scan::local): Use
3625         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3626         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3627         (Target_x86_64::Scan::global): Likewise.
3628         (Target_x86_64::Relocate::relocate): Likewise.
3629         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3630         Likewise.
3631
3632 2010-08-03  Cary Coutant  <ccoutant@google.com>
3633
3634         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3635         to reserve space in merged_strings vector. Keep total input size
3636         for stats.
3637         (Output_merge_string::do_print_merge_stats): Print total input size.
3638         * merge.h (Output_merge_string): Add input_size_ field.
3639         * stringpool.cc (Stringpool_template::string_length): Move
3640         implementations out of Stringpool_template class and place in
3641         stringpool.h.
3642         * stringpool.h (string_length): Move out of Stringpool_template.
3643
3644 2010-08-03  Ian Lance Taylor  <iant@google.com>
3645
3646         PR 11712
3647         * layout.cc (relaxation_loop_body): If address of load segment is
3648         set, adjust address to include headers if possible.
3649
3650 2010-08-03  Ian Lance Taylor  <iant@google.com>
3651
3652         * version.cc (version_string): Bump to 1.10.
3653
3654 2010-08-03  Ian Lance Taylor  <iant@google.com>
3655
3656         PR 11805
3657         * layout.h (enum Output_section_order): Define.
3658         (class Layout): Update declarations.
3659         * layout.cc (Layout::get_output_section): Add order parameter.
3660         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3661         is_first_non_relro parameters.  Change all callers.
3662         (Layout::choose_output_section): Likewise.
3663         (Layout::add_output_section_data): Likewise.
3664         (Layout::make_output_section): Likewise.  Set order.
3665         (Layout::default_section_order): New function.
3666         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3667         * output.cc (Output_section::Output_section): Initialize order_.
3668         Don't initialize deleted fields.
3669         (Output_segment::Output_segment): Don't initialize deleted
3670         fields.
3671         (Output_segment::add_output_section_to_load): New function
3672         replacing add_output_section.  Change all callers to call this or
3673         add_output_section_to_nonload.
3674         (Output_segment::add_output_section_to_nonload): New function.
3675         (Output_segment::remove_output_section): Rewrite.
3676         (Output_segment::add_initial_output_data): Likewise.
3677         (Output_segment::has_any_data_sections): Likewise.
3678         (Output_segment::is_first_section_relro): Likewise.
3679         (Output_segment::maximum_alignment): Likewise.
3680         (Output_segment::has_dynamic_reloc): New function replacing
3681         dynamic_reloc_count.  Change all callers.
3682         (Output_segment::has_dynamic_reloc_list): New function replacing
3683         dynamic_reloc_count_list.  Change all callers.
3684         (Output_segment::set_section_addresses): Rewrite.
3685         (Output_segment::set_offset): Rewrite.
3686         (Output_segment::find_first_and_last_list): Remove.
3687         (Output_segment::set_tls_offsets): Rewrite.
3688         (Output_segment::first_section_load_address): Likewise.
3689         (Output_segment::output_section_count): Likewise.
3690         (Output_segment::section_with_lowest_load_address): Likewise.
3691         (Output_segment::write_section_headers): Likewise.
3692         (Output_segment::print_sections_to_map): Likewise.
3693         * output.h (class Output_data): Remove dynamic_reloc_count_
3694         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3695         (Output_data::add_dynamic_reloc): Rewrite.
3696         (Output_data::has_dynamic_reloc): New function.
3697         (Output_data::dynamic_reloc_count): Remove.
3698         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3699         is_last_relro_, is_first_non_relro_, is_interp_,
3700         is_dynamic_linker_section_ fields.  Add order and set_order
3701         functions.  Remove is_relro_local, set_is_relro_local,
3702         is_last_relro, set_is_last_relro, is_first_non_relro,
3703         set_is_first_non_relro functions, is_interp, set_is_interp,
3704         is_dynamic_linker_section, and set_is_dynamic_linker_section
3705         functions.
3706         (class Output_segment): Change Output_data_list from std::list to
3707         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3708         output_bss_ fields.  Update declarations.
3709
3710 2010-08-02  Ian Lance Taylor  <iant@google.com>
3711
3712         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3713         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3714         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3715
3716 2010-08-02  Ian Lance Taylor  <iant@google.com>
3717
3718         PR 11855
3719         * script.cc (Script_options::Script_options): Initialize
3720         symbol_definitions_ and symbol_references_.
3721         (Script_options::add_symbol_assignment): Update
3722         symbol_definitions_ and symbol_references_.
3723         (Script_options::add_symbol_reference): New function.
3724         (script_symbol): New function.
3725         * script.h (class Script_options): Add symbol_definitions_ and
3726         symbol_references_ fields.
3727         (Script_options::referenced_const_iterator): New type.
3728         (Script_options::referenced_begin): New function.
3729         (Script_options::referenced_end): New function.
3730         (Script_options::is_referenced): New function.
3731         (Script_options::any_unreferenced): New function.
3732         * script-c.h (script_symbol): Declare.
3733         * yyscript.y (exp): Call script_symbol.
3734         * symtab.cc: Include "script.h".
3735         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3736         Change all callers.  Check symbols referenced by scripts.
3737         (Symbol_table::add_undefined_symbols_from_command_line): Add
3738         layout parameter.  Change all callers.
3739         (Symbol_table::do_add_undefined_symbols_from_command_line):
3740         Likewise.  Break out loop body.  Check symbols referenced by
3741         scripts.
3742         (Symbol_table::add_undefined_symbol_from_command_line): New
3743         function broken out of
3744         do_add_undefined_symbols_from_command_line.
3745         * symtab.h (class Symbol_table): Update declarations.
3746         * archive.cc: Include "layout.h".
3747         (Archive::should_include_member): Add layout parameter.  Change
3748         all callers.  Check for symbol mentioned in expression.
3749         * archive.h (class Archive): Update declaration.
3750         * object.cc (Sized_relobj::do_should_include_member): Add layout
3751         parameter.
3752         * object.h (Object::should_include_member): Add layout parameter.
3753         Change all callers.
3754         (Object::do_should_include_member): Add layout parameter.
3755         (class Sized_relobj): Update declaration.
3756         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3757         parameter.
3758         * dynobj.h (class Sized_dynobj): Update declaration.
3759         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3760         layout parameter.
3761         * plugin.h (class Sized_pluginobj): Update declaration.
3762
3763 2010-08-02  Ian Lance Taylor  <iant@google.com>
3764
3765         PR 11866
3766         * output.cc (Output_segment::set_offset): Search for the first and
3767         last sections rather than assuming that the list is in order.
3768         (Output_segment::find_first_and_last_list): New function.
3769         * output.h (class Output_segment): Update declarations.
3770         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3771         (relro_strip_test_SOURCES): New variable.
3772         (relro_strip_test_DEPENDENCIES): New variable.
3773         (relro_strip_test_LDFLAGS): New variable.
3774         (relro_strip_test_LDADD): New variable.
3775         (relro_strip_test.so): New target.
3776
3777 2010-08-02  Ian Lance Taylor  <iant@google.com>
3778
3779         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3780         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3781         (Target_i386::got_tlsdesc_section): New function.
3782         (Target_i386::got_section): Create space for GOT entries for
3783         TLSDESC relocations.
3784         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3785         R_386_TLS_GOTDESC.
3786         (Target_i386::Scan::global): Likewise.
3787         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3788         using TLSDESC GOT.
3789         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3790         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3791         (Target_x86_64::got_tlsdesc_section): New function.
3792         (Target_x86_64::got_section): Create space for GOT entries for
3793         TLSDESC relocations.
3794         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3795         R_386_TLS_GOTDESC.
3796         (Target_x86_64::Scan::global): Likewise.
3797         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3798         using TLSDESC GOT.
3799
3800 2010-08-02  Ian Lance Taylor  <iant@google.com>
3801
3802         * testsuite/final_layout.sh: Use dc to convert from hex to
3803         decimal.
3804
3805 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3806
3807         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3808         paramter to the call to gold::gc_process_relocs.
3809         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3810         paramter to the call to gold::gc_process_relocs.
3811         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3812         parameter to the call to gold::gc_process_relocs.
3813         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3814         template parameter to the call to gold::gc_process_relocs.
3815         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3816         paramter to the call to gold::gc_process_relocs.
3817         * gc.h (get_embedded_addend_size): New function.
3818         (gc_process_relocs): Save the size of the reloc for use by ICF.
3819         * icf.cc (get_section_contents): Get the addend from the text section
3820         for SHT_REL relocation sections.
3821         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3822         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3823         * int_encoding.h (read_from_pointer): New overloaded function.
3824         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3825         * testsuite/icf_sht_rel_addend_test.sh: New file.
3826         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3827         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3828
3829 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3830
3831         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3832         * Makefile.in: Regenerate.
3833         * testsuite/Makefile.in: Regenerate.
3834
3835 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3836
3837         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3838         * gold/testsuite/debug_msg.cc: Likewise.
3839         * gold/testsuite/odr_violation1.cc
3840         * gold/testsuite/odr_violation2.cc
3841
3842 2010-07-21  Cary Coutant  <ccoutant@google.com>
3843
3844         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3845         string, and length fields.
3846         (Output_merge_string::Merged_strings_list): New type.
3847         (Output_merge_string::Merged_strings_lists): New typedef.
3848         (Output_merge_string): Replace merged_strings_ with
3849         merged_strings_lists_.
3850         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3851         Merged_strings_list per input object and section.  Don't store pointer
3852         to the string.  Don't store length with each merged string entry.
3853         (Output_merge_string::finalize_merged_data): Loop over list of merged
3854         strings lists.  Recompute length of each merged string.
3855
3856 2010-07-15  Cary Coutant  <ccoutant@google.com>
3857
3858         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3859         here.
3860
3861 2010-07-14  Ian Lance Taylor  <iant@google.com>
3862
3863         * descriptors.cc (Descriptors::open): Report correct name in error
3864         message.
3865
3866 2010-07-13  Doug Kwan  <dougkwan@google.com>
3867
3868         * arm.cc (Arm_input_section::Arm_input_section): For a
3869         SHT_ARM_EXIDX section, always keeps the input sections.
3870         (Arm_input_section::set_exidx_section_link): New method.
3871         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3872         has_errors_ to false.
3873         (Arm_exidx_input_section::has_errors,
3874         Arm_exidx_input_section::set_has_errors): New methods.
3875         (Arm_exidx_input_section::has_errors_): New data member.
3876         (Arm_relobj::get_exidx_shndx_list): New method.
3877         (Arm_output_section::append_text_sections_to_list): Do not skip
3878         section without SHF_EXECINSTR.
3879         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3880         errors.
3881         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3882         section header.  Make error messages more verbose.  Check for
3883         a non-executable section linked to an EXIDX section.
3884         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3885         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3886         check that there is no deferred EXIDX section if we exit early.
3887         Instead of not making an EXIDX section in case of an error, make one
3888         and set the has_errors flag of it.
3889         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3890         in a relocatable link.
3891         (Target_arm::do_relax): Look for the EXIDX output section instead of
3892         assuming that it is called .ARM.exidx.
3893         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3894         section list.  Do not check for SHF_EXECINSTR section flags but
3895         skip any input section with errors.
3896         * output.cc (Output_section::Output_section): Initialize
3897         always_keeps_input_sections_ to false.
3898         (Output_section::add_input_section): Check for
3899         always_keeps_input_sections_.
3900         *  output.h (Output_section::always_keeps_input_sections,
3901         Output_section::set_always_keeps_input_sections): New methods.
3902         (Output_section::always_keeps_input_sections): New data member.
3903
3904 2010-07-13  Rafael Espindola  <espindola@google.com>
3905
3906         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3907         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3908
3909 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3910             Ian Lance Taylor  <iant@google.com>
3911
3912         * output.h (Output_section_lookup_maps::add_merge_section):
3913         Correct check of whether value was inserted.
3914         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3915         (Output_section_lookup_maps::add_relaxed_input_section):
3916         Likewise.
3917         * arm.cc (Target_arm::got_section): Remove used local os.
3918         * i386.cc (Target_i386::got_section): Likewise.
3919         * x86_64.cc (Target_x86_64::got_section): Likewise.
3920         * sparc.cc (Target_sparc::got_section): Likewise.
3921         (Target_sparc::relocate): Remove unused local have_got_offset.
3922         * powerpc.cc (Target_powerpc::relocate): Likewise.
3923
3924 2010-07-13  Ian Lance Taylor  <iant@google.com>
3925
3926         * compressed_output.cc (zlib_decompress): Fix signature in
3927         !HAVE_ZLIB_H case.
3928
3929         * archive.cc (Archive::include_member): Unlock an external member
3930         of a thin archive.  Don't bother to delete an object we know is
3931         NULL.
3932
3933 2010-07-12  Cary Coutant  <ccoutant@google.com>
3934
3935         * compressed_output.cc (zlib_decompress): New function.
3936         (get_uncompressed_size): New function.
3937         (decompress_input_section): New function.
3938         * compressed_output.h (get_uncompressed_size): New function.
3939         (decompress_input_section): New function.
3940         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3941         Handle compressed debug sections.
3942         * layout.cc (is_compressed_debug_section): New function.
3943         (Layout::output_section_name): Map compressed section names to
3944         canonical names.
3945         * layout.h (is_compressed_debug_section): New function.
3946         (is_debug_info_section): Recognize compressed debug sections.
3947         * merge.cc: Include compressed_output.h.
3948         (Output_merge_data::do_add_input_section): Handle compressed
3949         debug sections.
3950         (Output_merge_string::do_add_input_section): Handle compressed
3951         debug sections.
3952         * object.cc: Include compressed_output.h.
3953         (Sized_relobj::Sized_relobj): Initialize new data members.
3954         (build_compressed_section_map): New function.
3955         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3956         * object.h (Object::section_is_compressed): New method.
3957         (Object::do_section_is_compressed): New method.
3958         (Sized_relobj::Compressed_section_map): New type.
3959         (Sized_relobj::do_section_is_compressed): New method.
3960         (Sized_relobj::compressed_sections_): New data member.
3961         * output.cc (Output_section::add_input_section): Handle compressed
3962         debug sections.
3963         * reloc.cc: Include compressed_output.h.
3964         (Sized_relobj::write_sections): Handle compressed debug sections.
3965
3966 2010-07-08  Cary Coutant  <ccoutant@google.com>
3967
3968         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3969         weak when resolving to a dynamic def.
3970         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3971         for weak undef/dynamic def cases. Adjust callers.
3972         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3973         undef_binding_weak_.
3974         (Symbol_table::sized_write_globals): Adjust symbol binding.
3975         (Symbol_table::sized_write_symbol): Add binding parameter.
3976         * symtab.h (Symbol::set_undef_binding): New method.
3977         (Symbol::is_undef_binding_weak): New method.
3978         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3979         (Symbol_table::should_override): Add new parameter.
3980         (Symbol_table::sized_write_symbol): Add new parameter.
3981
3982         * testsuite/weak_undef_file1.cc: Add new test case.
3983         * testsuite/weak_undef_file2.cc: Fix header comment.
3984         * testsuite/weak_undef_test.cc: Add new test case.
3985
3986 2010-06-29  Doug Kwan  <dougkwan@google.com>
3987
3988         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3989         Initialize USE_SYMBOL_.
3990         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3991         definition.
3992         (Arm_reloc_property::uses_symbol_): New data member declaration.
3993         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3994         uses symbol value and symbol is undefined but not weakly undefined.
3995
3996 2010-06-28  Rafael Espindola  <espindola@google.com>
3997
3998         * plugin.cc (Plugin::load): Use dlerror.
3999
4000 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4001
4002         * symtab.cc (detect_odr_violations): When reporting an ODR
4003         violation, report an object where the symbol is defined.
4004
4005 2010-06-25  Doug Kwan  <dougkwan@google.com>
4006
4007         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4008         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4009         definition.
4010         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4011         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4012         target hook to detect function points.
4013         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4014         * icf.h (Icf::check_section_for_function_pointers): Change type of
4015         parameter SECTION_NAME to const reference to std::string.  Use
4016         target hook to determine if section may have unsafe pointers.
4017         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4018         method definition.
4019
4020 2010-06-21  Rafael Espindola  <espindola@google.com>
4021
4022         * fileread.cc (Input_file::find_fie): New
4023         (Input_file::open): Use Input_file::find_fie.
4024         * fileread.h (Input_file::find_fie): New
4025         * plugin.cc (set_extra_library_path): New.
4026         (Plugin::load): Add set_extra_library_path to the transfer vector.
4027         (Plugin_manager::set_extra_library_path): New.
4028         (Plugin_manager::add_input_file): Use the extra search path if set.
4029         (set_extra_library_path(): New.
4030         * plugin.h (Plugin_manager): Add set_extra_library_path and
4031         extra_search_path_.
4032
4033 2010-06-19  Cary Coutant  <ccoutant@google.com>
4034
4035         * layout.cc (gdb_sections): Add .debug_types.
4036         (lines_only_debug_sections): Likewise.
4037
4038 2010-06-18  Rafael Espindola  <espindola@google.com>
4039
4040         * plugin.cc (add_input_file,add_input_library)
4041         (Plugin_manager::add_input_file): Make filename arguments const.
4042         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4043         const.
4044
4045 2010-06-16  Doug Kwan  <dougkwan@google.com>
4046
4047         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4048         .ARM.attributes section if we have not merged any input
4049         attributes sections.
4050
4051 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4052
4053         * arm.cc: Allow combining objects with no EABI version
4054         information.
4055
4056 2010-06-15  Rafael Espindola  <espindola@google.com>
4057
4058         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4059
4060 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4061
4062         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4063         (struct iovec): Correct !HAVE_READV definition.
4064
4065 2010-06-10  Cary Coutant  <ccoutant@google.com>
4066
4067         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4068         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4069         reloc sections.
4070         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4071
4072         PR 11683
4073         * symtab.h (Symbol::is_placeholder): New member function.
4074         * target-reloc.h (relocate_section): Check for placeholder symbols.
4075
4076         * testsuite/Makefile.am (plugin_test_8): New test.
4077         (plugin_test_9): New test.
4078         * testsuite/Makefile.in: Regenerate.
4079
4080 2010-06-09  Nick Clifton  <nickc@redhat.com>
4081
4082         * yyscript.y (input_list_element): Allow strings prefixed with
4083         the '-' character.  Treat these as libraries.
4084         * script.cc (script_add_library): New function.  Adds a library
4085         specified by "-l<name>" found in an input script.
4086         * script-c.h: Add prototype for script_add_library.
4087
4088 2010-06-07  Doug Kwan  <dougkwan@google.com>
4089
4090         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4091         Restrict stub-group size to be within long conditional branch
4092         range when working around cortex-A8 erratum.
4093
4094 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4095
4096         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4097         #ifdef typo.
4098
4099 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4100
4101         PR gold/11658
4102         * output.cc
4103         (Output_section::Input_section_sort_entry::compare_section_ordering):
4104         Change to return non-zero correctly.
4105         (Output_section::Input_section_sort_section_order_index_compare
4106         ::operator()): Change to fix ambiguity in comparisons.
4107
4108 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4109
4110         * gold.h (is_wildcard_string): New function.
4111         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4112         (Layout::layout_eh_frame): Ditto.
4113         (Layout::find_section_order_index): New method.
4114         (Layout::read_layout_from_file): New method.
4115         * layout.h (Layout::find_section_order_index): New method.
4116         (Layout::read_layout_from_file): New method.
4117         (Layout::input_section_position_): New private member.
4118         (Layout::input_section_glob_): New private member.
4119         * main.cc (main): Call read_layout_from_file here.
4120         * options.h (--section-ordering-file): New option.
4121         * output.cc (Output_section::input_section_order_specified_): New
4122         member.
4123         (Output_section::Output_section): Initialize new member.
4124         (Output_section::add_input_section): Add new parameter.
4125         Keep input sections when --section-ordering-file is used.
4126         (Output_section::set_final_data_size): Sort input sections when
4127         section ordering file is specified.
4128         (Output_section::Input_section_sort_entry): Add new parameter.
4129         Check sorting type.
4130         (Output_section::Input_section_sort_entry::compare_section_ordering):
4131         New method.
4132         (Output_section::Input_section_sort_compare::operator()): Change to
4133         consider section_order_index.
4134         (Output_section::Input_section_sort_init_fini_compare::operator()):
4135         Change to consider section_order_index.
4136         (Output_section::Input_section_sort_section_order_index_compare
4137         ::operator()): New method.
4138         (Output_section::sort_attached_input_sections): Change to sort
4139         according to section order when specified.
4140         (Output_section::add_input_section<32, true>): Add new parameter.
4141         (Output_section::add_input_section<64, true>): Add new parameter.
4142         (Output_section::add_input_section<32, false>): Add new parameter.
4143         (Output_section::add_input_section<64, false>): Add new parameter.
4144         * output.h (Output_section::add_input_section): Add new parameter.
4145         (Output_section::input_section_order_specified): New
4146         method.
4147         (Output_section::set_input_section_order_specified): New method.
4148         (Input_section::Input_section): Initialize section_order_index_.
4149         (Input_section::section_order_index): New method.
4150         (Input_section::set_section_order_index): New method.
4151         (Input_section::section_order_index_): New member.
4152         (Input_section::Input_section_sort_section_order_index_compare): New
4153         struct.
4154         (Output_section::input_section_order_specified_): New member.
4155         * script-sections.cc (is_wildcard_string): Delete and move modified
4156         method to gold.h.
4157         (Output_section_element_input::Output_section_element_input): Modify
4158         call to is_wildcard_string.
4159         (Output_section_element_input::Input_section_pattern
4160         ::Input_section_pattern): Ditto.
4161         (Output_section_element_input::Output_section_element_input): Ditto.
4162         * testsuite/Makefile.am (final_layout): New test case.
4163         * testsuite/Makefile.in: Regenerate.
4164         * testsuite/final_layout.cc: New file.
4165         * testsuite/final_layout.sh: New file.
4166
4167 2010-06-01  Rafael Espindola  <espindola@google.com>
4168
4169         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4170
4171 2010-06-01  Rafael Espindola  <espindola@google.com>
4172
4173         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4174         visibility of symbols.
4175
4176 2010-05-27  Doug Kwan  <dougkwan@google.com>
4177
4178         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4179         from start of output section instead of address for a local symbol
4180         in a merged or relaxed section when doing a relocatable link.
4181
4182 2010-05-26  Rafael Espindola  <espindola@google.com>
4183
4184        PR 11604
4185         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4186         adding sections the garbage collector removed.
4187         * gold/testsuite/Makefile.am: Add test.
4188         * gold/testsuite/Makefile.in: Regenerate.
4189         * gold/testsuite/plugin_test_7.sh: New.
4190         * gold/testsuite/plugin_test_7_1.c: New.
4191         * gold/testsuite/plugin_test_7_2.c: New.
4192
4193 2010-05-26  Rafael Espindola  <espindola@google.com>
4194
4195         * script-sections.cc (Output_section_definition::set_section_addresses):
4196         Check for --section-start.
4197
4198 2010-05-26  Doug Kwan  <dougkwan@google.com>
4199
4200         * arm.cc (Arm_scan_relocatable_relocs): New class.
4201         (Target_arm::relocate_special_relocatable): New method.
4202         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4203         (Arm_relocate_functions::thumb_branch_common): Same.
4204         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4205         instead of Default_scan_relocatable_relocs.
4206         * target-reloc.h (relocate_for_relocatable): Let target handle
4207         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4208         * target.h (Sized_target::relocate_special_relocatable): New method.
4209
4210 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4211
4212         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4213
4214 2010-05-23  Doug Kwan  <dougkwan@google.com>
4215
4216         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4217         instead of a cast.
4218         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4219         with a direct branch, not a conditional branch, to a stub.
4220         * merge.cc (Output_merge_base::record_input_section): New method
4221         defintion.
4222         (Output_merge_data::do_add_input_section): Record input section if
4223         keeps-input-sections flag is set.
4224         (Output_merge_string::do_add_input_section): Ditto.
4225         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4226         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4227         INPUT_SECTIONS_.
4228         (Output_merge_base::keeps_input_sections,
4229         Output_merge_base::set_keeps_input_sections,
4230         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4231         method definitions.
4232         (Output_merge_base::Input_sections): New type declaration.
4233         (Output_merge_base::input_sections_begin,
4234         Output_merge_base::input_sections_end,
4235         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4236         (Output_merge_base::bool keeps_input_sections_,
4237         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4238         Output_merge_base::input_sections_): New data members.
4239         (Output_merge_data::do_set_keeps_input_sections): New method
4240         defintion.
4241         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4242         * output.cc (Output_section::Input_section::relobj): Move method
4243         defintion from class declaration to here and handle merge sections.
4244         (Output_section::Input_section::shndx): Ditto.
4245         (Output_section::Output_section): Remove initializations of removed
4246         data members and initialize new data member LOOKUP_MAPS_.
4247         (Output_section::add_input_section): Set keeps-input-sections flag
4248         for a newly created merge output section as appropriate.  Adjust code
4249         to use Output_section_lookup_maps class.
4250         (Output_section::add_relaxed_input_section): Adjst code for lookup
4251         maps code refactoring.
4252         (Output_section::add_merge_input_section): Add a new parameter
4253         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4254         class.  If adding input section to a newly created merge output
4255         section fails, remove the new merge section.
4256         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4257         Adjust code for use of the Output_section_lookup_maps class.
4258         (Output_section::find_merge_section): Ditto.
4259         (Output_section::build_lookup_maps): New method defintion.
4260         (Output_section::find_relaxed_input_section): Adjust code to use
4261         Output_section_lookup_maps class.
4262         (Output_section::get_input_sections): Export merge sections.  Adjust
4263         code to use Output_section_lookup_maps class.
4264         (Output_section:::add_script_input_section): Adjust code to use
4265         Output_section_lookup_maps class.  Update lookup maps for merge
4266         sections also.
4267         (Output_section::discard_states): Use Output_section_lookup_maps.
4268         (Output_section::restore_states): Same.
4269         * output.h (Merge_section_properties): Move class defintion out of
4270         Output_section.
4271         (Output_section_lookup_maps): New class.
4272         (Output_section::Input_section::is_merge_section): New method
4273         defintion.
4274         (Output_section::Input_section::relobj): Move defintion out of class
4275         defintion.  Declare method only.
4276         (Output_section::Input_section::shndx): Ditto.
4277         (Output_section::Input_section::output_merge_base): New method defintion.
4278         (Output_section::Input_section::u2_.pomb): New union field.
4279         (Output_section::Merge_section_by_properties_map,
4280         Output_section::Output_section_data_by_input_section_map,
4281         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4282         Remove types.
4283         (Output_section::add_merge_input_section): Add new parameter
4284         KEEPS_INPUT_SECTIONS.
4285         (Output_section::build_lookup_maps): New method declaration.
4286         (Output_section::merge_section_map_,
4287         Output_section::merge_section_by_properties_map_,
4288         Output_section::relaxed_input_section_map_,
4289         Output_section::is_relaxed_input_section_map_valid_): Remove data
4290         members.
4291         (Output_section::lookup_maps_): New data member.
4292
4293 2010-05-21  Doug Kwan  <dougkwan@google.com>
4294
4295         PR gold/11619
4296         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4297         avoid a compilation error.
4298
4299 2010-05-19  Rafael Espindola  <espindola@google.com>
4300
4301         * script-sections.cc (Output_section_definition::allocate_to_segment):
4302         Update the phdrs_list even when the output section is NULL.
4303         * testsuite/Makefile.am: Add test.
4304         * testsuite/Makefile.in: Regenerate.
4305         * testsuite/script_test_9.cc: New.
4306         * testsuite/script_test_9.sh: New.
4307         * testsuite/script_test_9.t: New.
4308
4309 2010-05-19  Doug Kwan  <dougkwan@google.com>
4310
4311         * arm.cc (Arm_input_section::original_size): New method.
4312         (Arm_input_section::do_addralign): Add a cast.
4313         (Arm_input_section::do_output_offset): Remove static cast.
4314         (Arm_input_section::original_addralign,
4315          Arm_input_section::original_size_): Change type to uint32_t.
4316         (Arm_input_section::init): Add safe casts for section alignment
4317         and size.
4318         (Arm_input_section::set_final_data_size): Do not set address and
4319         offset of stub table.
4320         (Arm_output_section::fix_exidx_coverage): Change use of of
4321         Output_section::Simple_input_section to that of
4322         Output_section::Input_section.
4323         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4324         except for the first pass.
4325         * output.cc (Output_section::get_input_sections): Change type of
4326         input_sections to std::list<Input_section>.
4327         (Output_section::add_script_input_section): Rename from
4328         Output_section::add_simple_input_section.  Change type of SIS
4329         parameter from Simple_input_section to Input_section.
4330         * output.h (Output_section::Simple_input_section): Remove class.
4331         (Output_section::Input_section): Change class visibility to public.
4332         (Output_section::Input_section::addralign): Use stored alignments
4333         for special input sections if set.
4334         (Output_section::Input_section::set_addralign): New method.
4335         (Output_section::get_input_sections): Change parameter type from
4336         list of Simple_input_section to list of Input_section.
4337         (Output_section::add_script_input_section): Rename from
4338         Output_section::add_simple_input_section. Change first parameter's
4339         type from Simple_input_section to Input_section and remove the
4340         second and third parameters.
4341         * script-sections.cc (Input_section::Input_section_list): Change
4342         type to list of Output_section::Input_section/
4343         (Input_section_info::Input_section_info): Change parameter type of
4344         INPUT_SECTION to Output_section::Input_section.
4345         (Input_section_info::input_section): Change return type.
4346         (Input_section_info::input_section_): Change type to
4347         Output_section::Input_section.
4348         (Output_section_element_input::set_section_addresses): Adjust code
4349         to use Output_section::Input_section instead of
4350         Output_section::Simple_input_section.  Adjust code for renaming
4351         of Output_section::add_simple_input_section.
4352         (Orphan_output_section::set_section_addresses): Ditto.
4353
4354 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4355
4356         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4357         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4358
4359 2010-05-18  Rafael Espindola  <espindola@google.com>
4360
4361         * options.cc (General_options::finalize): Handle -nostdlib.
4362         * options.h (nostdlib): New option.
4363         * script.cc (script_add_search_dir): Handle -nostdlib.
4364
4365 2010-05-12  Doug Kwan  <dougkwan@google.com>
4366
4367         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4368         attributes section only if there no attributes section after merging.
4369         (Target_arm::merge_object_attributes): Move value of
4370         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4371         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4372         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4373         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4374         and arm_attr_merge_7.stdout.
4375         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4376         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4377         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4378         arm_attr_merge_7b.o): New rules.
4379         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4380         arm_attr_merge_7
4381         * testsuite/Makefile.in: Regenerate.
4382         * testsuite/arm_attr_merge.sh: New file.
4383         * testsuite/arm_attr_merge_[67][ab].s: Same.
4384
4385 2010-05-05  Nick Clifton  <nickc@redhat.com>
4386
4387         * po/es.po: Updated Spanish translation.
4388
4389 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4390
4391         * Makefile.am (install-exec-local): Properly install gold as
4392         default cross linker.
4393         * Makefile.in: Regenerated.
4394
4395 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4396             Nick Clifton  <nickc@redhat.com>
4397
4398         * configure.ac (install_as_default): Define and set to false
4399         unless --enable-gold or --enable-gold=both/gold has been
4400         specified.
4401         * configure: Regenerate.
4402
4403         * Makefile.am (install-exec-local): Install the executable as
4404         'ld.gold'.  If install_as_default is true then also install it as
4405         'ld'.
4406         * Makefile.in: Regenerated.
4407
4408 2010-04-24  Ian Lance Taylor  <iant@google.com>
4409
4410         * layout.cc (Layout::layout_reloc): In relocatable link don't
4411         combine reloc sections for grouped sections.
4412
4413 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4414
4415         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4416         sections that are not ordinary to icf.
4417         * icf.cc (get_section_contents): Handle relocation pointing to section
4418         with no object or shndx information.
4419         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4420         * testsuite/Makefile.in: Regenerate.
4421         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4422         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4423
4424 2010-04-22  Ian Lance Taylor  <iant@google.com>
4425
4426         * expression.cc (Expression::Expression_eval_info): Add
4427         result_alignment_pointer field.
4428         (Expression::eval_with_dot): Add result_alignment_pointer
4429         parameter.  Change all callers.
4430         (Expression::eval_maybe_dot): Likewise.
4431         (class Binary_expression): Add alignment_pointer parameter to
4432         left_value and right_value.  Change all callers.
4433         (BINARY_EXPRESSION): Set result alignment.
4434         (class Trinary_expression): Add alignment_pointer parameter to
4435         arg2_value and arg3_value.  Change all callers.
4436         (Trinary_cond::value): Set result alignment.
4437         (Max_expression::value, Min_expression::value): Likewise.
4438         (Align_expression::value): Likewise.
4439         * script-sections.cc (class Sections_element): Add dot_alignment
4440         parameter to set_section_addresses virtual function.  Update
4441         instantiations.
4442         (class Output_section_element): Likewise.
4443         (Script_sections::create_segments): Add dot_alignment parameter.
4444         Change all callers.
4445         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4446         (Script_sections::set_phdrs_clause_addresses): Likewise.
4447         * script-sections.h: Update declarations.
4448         * script.h: Update declarations.
4449         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4450         min_p_align.
4451         * testsuite/script_test_3.t: Set large alignment.
4452         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4453         segment has expected alignment.
4454
4455 2010-04-22  Nick Clifton  <nickc@redhat.com>
4456
4457         * po/gold.pot: Updated by the Translation project.
4458         * po/vi.po: Updated Vietnamese translation.
4459
4460 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4461
4462         * testsuite/Makefile.am (check_PROGRAMS): Add
4463         icf_virtual_function_folding_test.
4464         * testsuite/Makefile.in: Regenerated.
4465
4466 2010-04-15  Andrew Haley  <aph@redhat.com>
4467
4468         * options.h (merge_exidx_entries): New option.
4469         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4470         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4471         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4472         (Target_arm::merge_exidx_entries): New function.
4473         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4474         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4475         to Arm_exidx_fixup constructor.
4476         Add new arg, merge_exidx_entries.
4477         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4478         Arm_output_section::fix_exidx_coverage.
4479
4480 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4481
4482         * icf.cc (get_section_contents): Check for preemptible functions.
4483         Ignore addend when appropriate.
4484         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4485         section folded.
4486         (add_from_relobj): Check for section folded.
4487         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4488         * symtab.h (should_add_dynsym_entry): Add new parameter.
4489         * target-reloc.h (scan_relocs): Check for section folded.
4490         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4491         Check reloc types for function pointers in shared objects.
4492         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4493         case.
4494         (icf_preemptible_functions_test): New test case.
4495         (icf_string_merge_test): New test case.
4496         * testsuite.Makefile.in: Regenerate.
4497         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4498         bar_glob.  Refactor code.
4499         * testsuite/icf_preemptible_functions_test.cc: New file.
4500         * testsuite/icf_preemptible_functions_test.sh: New file.
4501         * testsuite/icf_string_merge_test.cc: New file.
4502         * testsuite/icf_string_merge_test.sh: New file.
4503         * testsuite/icf_virtual_function_folding_test.cc: New file.
4504         * testsuite/icf_virtual_function_folding_test.sh: New file.
4505
4506 2010-04-14  Doug Kwan  <dougkwan@google.com>
4507
4508         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4509         for local symbol recounting if we remove a section due to ICF.
4510         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4511         there are no regular objects in input.
4512
4513 2010-04-13  Doug Kwan  <dougkwan@google.com>
4514
4515         * arm.cc (Arm_input_section::set_final_data_size): Compute
4516         accurate final data size instead of using current data size.
4517
4518 2010-04-09  Doug Kwan  <dougkwan@google.com>
4519
4520         * layout.cc (Layout::choose_output_section): Handle script section
4521         types.
4522         (Layout::make_output_section_for_script): Add section type parameter.
4523         Handle script section types.
4524         * layout.h (Layout::make_output_section_for_script): Add section
4525         type parameter.
4526         * output.cc (Output_section::Output_section): Initialize data member
4527         is_noload_.
4528         (Output_section::do_reset_address_and_file_offset): Do not set address
4529         to 0 if section is a NOLOAD section.
4530         * output.h (Output_section::is_noload): New method.
4531         (Output_section::set_is_noload): Ditto.
4532         (Output_section::is_noload_): New data member.
4533         * script-c.h (Script_section_type): New enum type.
4534         (struct Parser_output_section_header): Add new file section_type.
4535         * script-sections.cc (Sections_element::output_section_name): Add
4536         parameter for returning script section type.
4537         (Output_section_definition::output_section_name): Ditto.
4538         (Output_section_definition::section_type)P; New method.
4539         (Output_section_definiton::script_section_type_name): Ditto.
4540         (Output_section_definition::script_section_type_): New data member.
4541         (Output_section_definition::Output_section_definition): Initialize
4542         data member Output_section_definition::script_section_type_.
4543         (Output_section_definition::create_sections): Pass script section type
4544         to Layout::make_output_section_for_script.
4545         (Output_section_definition::output_section_name): Return script
4546         section type to caller.
4547         (Output_section_definition::set_section_address): Do not advance
4548         dot value and load address if section type is NOLOAD.  Set address
4549         of NOLOAD sections regardless of section flags.
4550         (Output_section_definition::print): Print section type if it is
4551         not SCRIPT_SECTION_TYPE_NONE.
4552         (Output_section_definition::section_type): New method.
4553         (Output_section_definition::script_section_type_name): Ditto.
4554         (Script_sections::output_section_name): Add new parameter
4555         PSECTION_TYPE for returning script section type.  Pass it to
4556         section elements.  Handle discard sections.
4557         (Sort_output_sections::operator()): Handle NOLOAD sections.
4558         * script-sections.h (Script_sections::Section_type): New enum type.
4559         (Script_sections::output_section_name): Add a new parameter for
4560         returning script section type.
4561         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4562         INFO and NOLOAD.
4563         * yyscript.y (union): Add new field SECTION_TYPE.
4564         (COPY, DSECT, INFO, NOLOAD): New tokens.
4565         (opt_address_and_section_type): Change type to output_section_header.
4566         (section_type): New non-terminal
4567         (section_header): Handle section type.
4568         (opt_address_and_section_type): Return section type value.
4569
4570 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4571
4572         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4573         * testsuite/plugin_common_test_2.c (foo): Likewise.
4574
4575 2010-04-08  Doug Kwan  <dougkwan@google.com>
4576
4577         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4578         Output_merge_data.
4579         * output.cc (Output_section::add_merge_input_section): Simplify
4580         code and return status of Output_merge_base::add_input_section.
4581         Update merge section map only if Output_merge_base::add_input_section
4582         returns true.
4583
4584 2010-04-07  Doug Kwan  <dougkwan@google.com>
4585
4586         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4587         if section is marked as containing instructions but has no mapping
4588         symbols.
4589         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4590         correct section index.
4591         (Arm_relobj::find_linked_text_section): Ditto.
4592
4593 2010-04-07  Cary Coutant  <ccoutant@google.com>
4594
4595         * archive.cc (include_member): Destroy Read_symbols_data object before
4596         releasing file.
4597         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4598         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4599         (Read_symbols_data::~Read_symbols_data) New destructor.
4600         (Section_relocs::Section_relocs) New constructor.
4601         (Section_relocs::~Section_relocs) New destructor.
4602         (Read_relocs_data::Read_relocs_data) New constructor.
4603         (Read_relocs_data::~Read_relocs_data) New destructor.
4604         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4605         pointers to NULL after deleting.
4606
4607 2010-04-07  Doug Kwan  <dougkwan@google.com>
4608
4609         * arm.cc: Replace "endianity" with "endianness" in comments.
4610         (Arm_exidx_cantunwind): Ditto.
4611         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4612         (Arm_relobj::merge_flags_and_attributes): New method.
4613         (Arm_relobj::merge_flags_and_attributes_): New data member.
4614         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4615         (Arm_relobj::scan_sections_for_stubs): Ditto.
4616         (Arm_relobj::do_read_symbols): Check to see if we really want to
4617         merge processor-specific flags and attributes.  Exit early if
4618         an object is empty except for section names and the undefined symbol.
4619         (Target_arm::do_finalize_sections): Move check for ELF format to
4620         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4621         attributes from a regular object only when we have determined that
4622         it is aapropriate.  Do not create an .ARM.attributes section in
4623         output if there is no regular input object.
4624         (Target_arm::merge_processor_specific_flags): Check
4625         --warn-mismatch before printing any error.
4626         (Target_arm::merge_object_attributes): Ditto.
4627         * gold.cc (queue_middle_tasks): Handle the case in which there is
4628         no regular object in input.
4629         * options.cc (General_options::parse_EB): New method.
4630         (General_options::parse_EL): Same.
4631         (General_options::General_options): Initialize endianness_.
4632         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4633         New options.
4634         (General_options::Endianness): New enum.
4635         (General_options::endianness): New method.
4636         (General_options::endianness_): New data member.
4637         * parameters.cc (Parameters::set_options): Check target endianness.
4638         (Parameters::set_target_once): Ditto.
4639         (Parameters::check_target_endianness): New method.
4640         (parameters_force_valid_target): If either -EL or -EB is specified,
4641         use it to define endianness of default target.
4642         * parameters.h (Parameters::check_target_endianness): New method
4643         declaration.
4644         * target.h (class Target): Change "endianity" to "endianness"
4645         in comments.
4646
4647 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4648
4649         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4650         * configure: Regenerate.
4651         * Makefile.in: Regenerate.
4652         * testsuite/Makefile.in: Regenerate.
4653
4654 2010-04-06  Cary Coutant  <ccoutant@google.com>
4655
4656         gcc PR lto/42757
4657         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4658         prevailing definitions of common symbols.
4659         * testsuite/plugin_test_6.sh: New test case.
4660         * testsuite/plugin_common_test_1.c: New test case.
4661         * testsuite/plugin_common_test_2.c: New test case.
4662         * testsuite/Makefile.am (plugin_test_6): New test case.
4663         * testsuite/Makefile.in: Regenerate.
4664
4665 2010-04-06  Nick Clifton  <nickc@redhat.com>
4666
4667         * po/vi.po: New Vietnamese translation.
4668
4669 2010-03-30  Doug Kwan  <dougkwan@google.com>
4670
4671         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4672
4673 2010-03-25  Doug Kwan  <dougkwan@google.com>
4674
4675         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4676         to avoid a conversion warning on a 32-bit host.
4677
4678 2010-03-24  Ian Lance Taylor  <iant@google.com>
4679
4680         * testsuite/script_test_3.t: Add a TLS segment.
4681         * testsuite/Makefile.am (check_PROGRAMS): Add
4682         tls_phdrs_script_test.
4683         (tls_phdrs_script_test_SOURCES): Define.
4684         (tls_phdrs_script_test_DEPENDENCIES): Define.
4685         (tls_phdrs_script_test_LDFLAGS): Define.
4686         (tls_phdrs_script_test_LDADD): Define.
4687         * testsuite/Makefile.in: Rebuild.
4688
4689 2010-03-23  Cary Coutant  <ccoutant@google.com>
4690
4691         * fileread.cc (find_or_make_view): Fix comment.
4692
4693 2010-03-23  Ian Lance Taylor  <iant@google.com>
4694
4695         * script-sections.cc (class Orphan_section_placement): Define
4696         PLACE_TLS and PLACE_TLS_BSS.
4697         (Orphan_section_placement::Orphan_section_placement): Initialize
4698         new places.
4699         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4700         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4701         (tls_script_test_SOURCES): Define.
4702         (tls_script_test_DEPENDENCIES): Define.
4703         (tls_script_test_LDFLAGS): Define.
4704         (tls_script_test_LDADD): Define.
4705         * testsuite/Makefile.in: Rebuild.
4706
4707 2010-03-22  Doug Kwan  <dougkwan@google.com>
4708
4709         * arm.cc (Arm_relocate_functions::abs8,
4710         Arm_relocate_functions::abs16): Use correct check for overflow
4711         specified in the ARM ELF specs.
4712         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4713         target of a BLX instruction specially.
4714         (Reloc_stub::stub_type_for_reloc): Ditto.
4715         (Relocate::relocate): Use symbolic names instead of numeric relocation
4716         codes to report error.
4717         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4718         workaround.
4719         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4720         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4721         thumb2_blx_out_of_range.stdout
4722         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4723         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4724         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4725         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4726         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4727         thumb2_blx_in_range, thumb2_blx_in_range.o,
4728         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4729         thumb2_blx_out_of_range.o): New rules.
4730         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4731         thumb2_blx_in_range and thumb2_blx_out_of_range.
4732         * testsuite/Makefile.in: Regenerate.
4733         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4734         * testsuite/thumb_blx_in_range.s: New file.
4735         * testsuite/thumb_blx_out_of_range.s: New file.
4736
4737 2010-03-22  Rafael Espindola  <espindola@google.com>
4738
4739         * archive.cc (Should_include): Move to archive.h.
4740         (should_include_member): Make it a member of Archive.
4741         (Lib_group): New.
4742         (Add_lib_group_symbols): New.
4743         * archive.h: Include options.h.
4744         (Archive_member): Moved from Archive.
4745         (Should_include): Moved from archive.cc.
4746         (Lib_group): New.
4747         (Add_lib_group_symbols): New.
4748         * dynobj.cc (do_should_include_member): New.
4749         * dynobj.h (do_should_include_member): New.
4750         * gold.cc (queue_initial_tasks): Update call to queue.
4751         * main.cc (main): Print lib group stats.
4752         * object.cc (do_should_include_member): New.
4753         * object.h: Include archive.h.
4754         (Object::should_include_member): New.
4755         (Object::do_should_include_member): New.
4756         (Sized_relobj::do_should_include_member): New.
4757         * options.cc (General_options::parse_start_lib): New.
4758         (General_options::parse_end_lib): New.
4759         (Input_arguments::add_file): Handle lib groups.
4760         (Input_arguments::start_group): Check we are not in a lib.
4761         (Input_arguments::start_lib): New.
4762         (Input_arguments::end_lib): New.
4763         * options.h (General_options): Add start_lib and end_lib.
4764         (Input_argument::lib_): New.
4765         (Input_argument::lib): New.
4766         (Input_argument::is_lib): New.
4767         (Input_file_lib): New.
4768         (Input_arguments::in_lib_): New.
4769         (Input_arguments::in_lib): New.
4770         (Input_arguments::start_lib): New.
4771         (Input_arguments::end_lib_): New.
4772         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4773         in unused members as preempted.
4774         (Sized_pluginobj::do_should_include_member): New.
4775         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4776         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4777         return the blocker.
4778         (Read_symbols::do_whole_lib_group): New.
4779         (Read_symbols::do_lib_group): New.
4780         (Read_symbols::do_read_symbols): Handle lib groups.
4781         (Read_symbols::get_name): Handle lib groups.
4782         * readsyms.h (Read_symbols): Add an archive member pointer.
4783         (Read_symbols::do_whole_lib_group): New.
4784         (Read_symbols::do_lib_group): New.
4785         (Read_symbols::member_): New.
4786         * script.cc (read_input_script): Update call to queue_soon.
4787
4788 2010-03-19  Doug Kwan  <dougkwan@google.com>
4789
4790         * arm.cc (Stub_table::Stub_table): Initialize new data members
4791         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4792         (Stub_table::add_reloc_stub): Assign stub offset and update
4793         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4794         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4795         New data members.
4796         (Stub_table::update_data_size_and_addralign): Use
4797         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4798         instead of going over all reloc stubs.
4799         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4800         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4801         Stringpool_template::offset_ to size of Stringpool_char.
4802         (Stringpool_template::new_key_offset): Remove code to initialize
4803         Stringpool_template::offset_.
4804         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4805         Stringpool_template::offset_ to zero.
4806
4807 2010-03-15  Doug Kwan  <dougkwan@google.com>
4808
4809         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4810         offset_.
4811         (Stringpool_template::new_key_offset): New method.
4812         (Stringpool_template::add_string): Assign offsets when adding new
4813         strings.
4814         (Stringpool_template::set_string_offsets): Do not set string offsets
4815         when not optimizing.
4816         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4817         member size_.
4818         (Chunked_vector::clear): Clear size_.
4819         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4820         (Chunked_vector::size): Return size_.
4821         (Chunked_vector::push_back): Use size_ to find insert position.
4822         (Chunked_vector::size_): New data member.
4823         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4824         (Stringpool_template::new_key_offset): New method declaration.
4825         (Stringpool_template::offset_): New data member.
4826
4827 2010-03-15   Rafael Espindola  <espindola@google.com>
4828
4829         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4830         Add_symbols' constructor.
4831         * readsyms.h (Add_symbols): Remove the input_group member.
4832
4833 2010-03-10  Ian Lance Taylor  <iant@google.com>
4834
4835         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4836         target to ask whether a reference to a symbol requires a stack
4837         split.
4838         * target.h (Target::is_call_to_non_split): New function.
4839         (Target::do_is_call_to_non_split): Declare virtual function.
4840         * target.cc: Include "symtab.h".
4841         (Target::do_is_call_to_non_split): New function.
4842         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4843
4844 2010-03-10  Cary Coutant  <ccoutant@google.com>
4845
4846         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4847         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4848         (File_read::open[2]): Add whole_file_view_ to list of views.
4849         (File_read::make_view): Remove test of whole_file_view_.
4850         (File_read::find_or_make_view): Create whole_file_view_ if
4851         necessary.
4852         (File_read::clear_views): Replace bool parameter with enum;
4853         adjust all callers.  Don't delete views with permanent data;
4854         do delete cached views and views from archives if
4855         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4856         if clearing the corresponding view.
4857         * fileread.h (File_read::Clear_views_mode): New enum.
4858         (File_read::View::is_permanent_view): New method.
4859         (File_read::clear_views): Replace bool parameter
4860         with enum; adjust all callers.
4861         * options.h (General_options): Change keep_files_mapped option;
4862         add map_whole_files.
4863         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4864         releasing the file.
4865         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4866         the file.
4867
4868 2010-03-10  David S. Miller  <davem@davemloft.net>
4869
4870         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4871
4872 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4873
4874         * icf.cc (get_section_contents): Add '@' marker after processing the
4875         merge reloc.
4876
4877 2010-03-08  Doug Kwan  <dougkwan@google.com>
4878
4879         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4880         due to a conversion warning.
4881         (Arm_relobj::update_output_local_symbol_count): Check for local
4882         symbol with unset output index.
4883
4884 2010-03-05  Ian Lance Taylor  <iant@google.com>
4885
4886         * options.h (class General_options): Add --spare-dynamic-tags.
4887         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4888         --spare-dynamic-tags.
4889
4890 2010-03-05  Ian Lance Taylor  <iant@google.com>
4891
4892         * incremental.cc: Include "libiberty.h".
4893
4894 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4895
4896         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4897         function, is_info_ member.
4898         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4899         (Versions::Versions): Update caller.
4900         (Versions::define_base_version): Likewise.
4901         (Versions::add_def): Likewise.
4902
4903 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4904
4905         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4906         (Scan::possible_function_pointer_reloc): New function.
4907         (Scan::local_reloc_may_be_function_pointer): Change to call
4908         possible_function_pointer_reloc.
4909         (Scan::global_reloc_may_be_function_pointer): Ditto.
4910         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4911         relocations in ".data.rel.ro._ZTV" section.
4912         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4913         * testsuite/icf_safe_so_test.cc: Ditto.
4914         * testsuite/icf_safe_test.cc: Ditto.
4915         * testsuite/icf_safe_test.sh: Ditto.
4916
4917 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4918             Ian Lance Taylor  <iant@google.com>
4919
4920         * target-reloc.h (relocate_section): Check the symbol table index
4921         for -1U before setting the local symbol index.
4922         (scan_relocatable_relocs): If copying the relocation, record that
4923         the local symbol is required.
4924         * object.h (Symbol_value::is_output_symtab_index_set): New
4925         function.
4926         (Symbol_value::may_be_discarded_from_output_symtab): New
4927         function.
4928         (Symbol_value::has_output_symtab_entry): New function.
4929         (Symbol_value::needs_output_symtab_entry): Remove.
4930         (Symbol_value::output_symtab_index): Make sure the symbol index is
4931         set.
4932         (Symbol_value::set_output_symtab_index): Make sure the symbol
4933         index is not set.  Make sure the new index is valid.
4934         (Symbol_value::set_must_have_output_symtab_entry): New function.
4935         (Symbol_value::has_output_dynsym_entry): New function.
4936         (Symbol_value::set_output_dynsym_index): Make sure the new index
4937         is valid.
4938         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4939         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4940         local symbol if permitted.
4941         (Sized_relobj::do_finalize_local_symbols): Call
4942         is_output_symtab_index_set rather than needs_output_symtab_entry.
4943         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4944         rather than needs_output_symtab_entry.  Call
4945         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4946         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4947         is_output_symtab_index_set rather than needs_output_symtab_entry.
4948         * testsuite/discard_locals_relocatable_test.c: New file.
4949         * testsuite/discard_locals_test.sh: Test -r.
4950         * testsuite/Makefile.am (check_DATA): Add
4951         discard_locals_relocatable_test1.syms,
4952         discard_local_relocatable_test2.syms.
4953         (MOSTLYCLEANFILES): Likewise.  Also add
4954         discard_locals_relocatable_test1.lout and
4955         discard_locals_relocatable_test2.out.
4956         (discard_locals_relocatable_test1.syms): New target.
4957         (discard_locals_relocatable_test.o): New target.
4958         (discard_locals_relocatable_test1.out): New target.
4959         (discard_locals_relocatable_test2.syms): New target.
4960         (discard_locals_relocatable_test2.out): New target.
4961         (various): Add missing ../ld-new dependencies.
4962         * testsuite/Makefile.in: Rebuild.
4963
4964 2010-03-03  Nick Clifton  <nickc@redhat.com>
4965
4966         * po/fi.po: New Finnish translation.
4967
4968 2010-03-01  Doug Kwan  <dougkwan@google.com>
4969
4970         * layout.cc (Layout::Layout): Force section types of .init_array*,
4971         .preinit_array* and .fini_array* sections.
4972         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4973         Fix check of return value of std::string::find.().
4974         (Output_section::Input_section_sort_compare::operator()): Remove
4975         comment about .init_array.
4976         (Output_section::Input_section_sort_init_fini_compare::operator()):
4977         New method.
4978         (Output_section::sort_attached_input_sections): Handle .init_array
4979         and .fini_array specially.
4980         * output.h (Output_section::Inut_section_sort_compare): Update
4981         comment.
4982         (Output_section::Input_section_sort_init_fini_compare): New struct.
4983
4984 2010-02-26  Doug Kwan  <dougkwan@google.com>
4985
4986         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4987         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4988         * testsuite/debug_msg.sh: Avoid matching source line number for
4989         use of global variable undef_int.
4990
4991 2010-02-26  Doug Kwan  <dougkwan@google.com>
4992
4993         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4994         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4995         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4996         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4997         * options.cc (General_options::General_options): Initialize member
4998         fix_v4bx_.
4999         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5000         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5001         and rm_no_fix_v4bx.stdout
5002         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5003         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5004         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5005         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5006         and arm_no_fix_v4bx.
5007         * Makefile.in: Regenerate.
5008         * testsuite/arm_fix_v4bx.s: New file.
5009         * testsuite/arm_fix_v4bx.sh: Ditto.
5010
5011 2010-02-24  Doug Kwan  <dougkwan@google.com>
5012
5013         * arm.cc (Target_arm::got_section): Make the .got section the first
5014         non RELRO section in the data segment.
5015         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5016         suffixes of section names.
5017
5018 2010-02-24  Doug Kwan  <dougkwan@google.com>
5019
5020         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5021         flags and attributes merging if an input file is a binary file.
5022         * fileread.cc (Input_file::open): Record format of original file.
5023         * fileread.h (Input_file::Format): New enum type.
5024         (Input_file::Input_file): Initialize data member format_.
5025         (Input_file::format): New method definition.
5026         (Input_file::format_):: New data member.
5027
5028 2010-02-24  Doug Kwan  <dougkwan@google.com>
5029
5030         * arm.cc (Arm_output_data_got): New class.
5031         (ARM_TCB_SIZE): New constant
5032         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5033         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5034         If user uses a script with a SECTIONS clause, issue only a warning
5035         for a misplaced EXIDX input section.  Otherwise, issue an error.
5036         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5037         garbage collection.
5038         (Target_arm::got_mode_index_entry): Handle static linking.
5039         (Target_arm::Scan::local): Ditto.
5040         (Target_arm::Scan::global): Ditto.
5041         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5042         all incorrectly implemented relocations.
5043         (Target_arm::fix_exidx_coverage): Pass layout to
5044         Arm_output_section::fix_exidx_coverage.
5045         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5046         from ".ARM.exidx." and ".ARM.extab.".
5047
5048 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5049
5050         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5051         section if it does not already exist.
5052         * attributes.cc (Attributes_section_data::Attributes_section_data):
5053         Don't crash if size is zero.
5054
5055 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5056             Ian Lance Taylor  <iant@google.com>
5057
5058         * gold.cc (queue_middle_tasks): If no input files were opened,
5059         exit.
5060         * workqueue.h (Task_function::Task_function): Assert that there is
5061         a blocker.
5062
5063 2010-02-22  Doug Kwan  <dougkwan@google.com>
5064
5065         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5066         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5067         types to avoid warnings due to different uint64_t implementations
5068         on different hosts.
5069
5070 2010-02-21  Doug Kwan  <dougkwan@google.com>
5071
5072         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5073         handling of the maximum backward branch offset.
5074         (Arm_relocate_functions::thumb_branch_common): Ditto.
5075         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5076         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5077         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5078         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5079         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5080         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5081         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5082         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5083         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5084         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5085         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5086         thumb2_bl_out_of_range.o): New rules.
5087         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5088         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5089         thumb2_bl_out_of_range
5090         * testsuite/Makefile.in: Regenerate.
5091         * testsuite/arm_bl_in_range.s: New file.
5092         * testsuite/arm_bl_out_of_range.s: Ditto.
5093         * testsuite/arm_branch_in_range.sh: Ditto.
5094         * testsuite/arm_branch_range.t: Ditto.
5095         * testsuite/thumb2_branch_range.t: Ditto.
5096         * testsuite/thumb_bl_in_range.s: Ditto.
5097         * testsuite/thumb_bl_out_of_range.s: Ditto.
5098         * testsuite/thumb_branch_range.t: Ditto.
5099
5100 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5101
5102         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5103         Add reloc offset information.
5104         * icf.cc (get_section_contents): Change iterators to point to the new
5105         vectors. Add reloc offset information to the contents.
5106         * icf.h (Icf::Sections_reachable_info): New typedef.
5107         (Icf::Sections_reachable_list): New typedef.
5108         (Icf::Offset_info): New typedef.
5109         (Icf::Reloc_info): New struct typedef.
5110         (Icf::Reloc_info_list): New typedef.
5111         (Icf::symbol_reloc_list): Delete method.
5112         (Icf::addend_reloc_list): Delete method.
5113         (Icf::section_reloc_list): Delete method.
5114         (Icf::reloc_info_list): New method.
5115         (Icf::reloc_info_list_): New member.
5116
5117 2010-02-19  Doug Kwan  <dougkwan@google.com>
5118
5119         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5120         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5121         * arm.cc (Arm_relocation_functions): New forward declaration.
5122         (Target_arm::Target_arm): Initialize new data members
5123         got_mod_index_offset_ and tls_base_symbol_defined_.
5124         (Target_arm::Relocate::relocate_tls): New method.
5125         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5126          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5127         New methods.
5128         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5129         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5130         (Target_arm::got_mod_index_offset_,
5131         Target_arm::tls_base_symbol_defined_): New data members.
5132         (Target_arm::Scan::local, Target::Scan::global,
5133         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5134         relocations.
5135
5136 2010-02-18  Doug Kwan  <dougkwan@google.com>
5137
5138         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5139         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5140         text section as a parameter becuase some broken tools may not set
5141         the link in section header.
5142         (Target_arm::has_got_section): New method.
5143         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5144         without any mapping symbol as data only.  Remove warning.
5145         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5146         link in its section header, try to discover the link by inspecting the
5147         REL31 relocation at the beginning of the section.
5148         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5149         in error message.
5150         (Target_arm::Scan::global): Treat any reference to the symbol
5151         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5152
5153 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5154
5155         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5156         (Scan::global_reloc_may_be_function_pointer): New function.
5157         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5158         (Scan::global_reloc_may_be_function_pointer): New function.
5159         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5160         (Scan::global_reloc_may_be_function_pointer): New function.
5161         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5162         (Scan::global_reloc_may_be_function_pointer): New function.
5163         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5164         (Scan::global_reloc_may_be_function_pointer): New function.
5165         (Scan::possible_function_pointer_reloc): New function.
5166         (Target_x86_64::can_check_for_function_pointers): New function.
5167         * gc.h (gc_process_relocs): Scan relocation types to determine if
5168         function pointers were taken for targets that support it.
5169         * icf.cc (Icf::find_identical_sections): Include functions for
5170         folding in safe ICF whose pointer is not taken.
5171         * icf.h (Secn_fptr_taken_set): New typedef.
5172         (fptr_section_id_): New member.
5173         (section_has_function_pointers): New function.
5174         (set_section_has_function_pointers): New function.
5175         (check_section_for_function_pointers): New function.
5176         * options.h: Fix comment for safe ICF option.
5177         * target.h (can_check_for_function_pointers): New function.
5178         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5179         Modify icf_safe_test for X86-64.
5180         * testsuite/Makefile.in: Regenerate.
5181         * testsuite/icf_safe_so_test.cc: New file.
5182         * testsuite/icf_safe_so_test.sh: New file.
5183         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5184         (main): Change to take pointer to function kept_func_3.
5185         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5186         folding is done correctly for X86-64.
5187
5188 2010-02-12  David S. Miller  <davem@davemloft.net>
5189
5190         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5191         is_symbolless parameter.
5192         (Output_reloc<SHT_REL>::is_symbolless): New.
5193         (Output_reloc<SHT_REL>::is_symbolless_): New.
5194         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5195         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5196         (Output_reloc<SHT_RELA>::is_symbolless): New.
5197         (Output_data_reloc::add_global): Handle is_symbolless.
5198         (Output_data_reloc::add_global_relative): Likewise.
5199         (Output_data_reloc::add_local): Likewise.
5200         (Output_data_reloc::add_local_relative): Likewise.
5201         (Output_data_reloc::add_symbolless_global_addend): New.
5202         (Output_data_reloc::add_symbolless_local_addend): New.
5203         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5204         is_symbolless.
5205         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5206         instead of ->is_relative_
5207         (Output_reloc::write): Likewise.
5208         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5209         (Output_reloc::write_rel): Simplify.
5210
5211         * sparc.cc (Target_sparc::Scan::local): Use
5212         ->add_symbolless_local_addend as needed.
5213         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5214         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5215         based upon relocation offset.
5216
5217 2010-02-11  Doug Kwan  <dougkwan@google.com>
5218
5219         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5220         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5221         beginning of function.
5222         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5223         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5224         parameter is_32bit in calls to should_apply_static_reloc.
5225         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5226         (check_DATA): Add arm_abs_global.stdout.
5227         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5228         arm_abs_global.stdout): New rules.
5229         (MOSTLLYCLEANFILES): Add arm_abs_global
5230         * Makefile.in: Regenerate.
5231         * testsuite/arm_abs_global.s: New file.
5232         * testsuite/arm_abs_global.sh: Ditto.
5233         * testsuite/arm_abs_lib.s: Ditto.
5234
5235 2010-02-11  Ian Lance Taylor  <iant@google.com>
5236
5237         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5238         Read_relocs task.
5239         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5240         Allocate_commons_task first.
5241         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5242         task, rather than symtab_lock_.
5243         (Gc_process_relocs::~Gc_process_relocs): New function.
5244         (Gc_process_relocs::is_runnable): Check this_blocker_.
5245         (Gc_process_relocs::locks): Use next_blocker_ rather than
5246         blocker_.
5247         (Scan_relocs::~Scan_relocs): New function.
5248         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5249         symtab_lock_.
5250         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5251         next_blocker_.
5252         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5253         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5254         constructor accordingly.
5255         (class Gc_process_relocs): Likewise.
5256         (class Scan_relocs): Likewise.
5257         * common.h (class Allocate_commons_task): Remove symtab_lock_
5258         field, and corresponding constructor parameter.
5259         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5260         symtab_lock_.
5261         (Allocate_commons_task::locks): Likewise.
5262
5263 2010-02-11  Ian Lance Taylor  <iant@google.com>
5264
5265         * gold-threads.h (class Once): Define.
5266         (class Initialize_lock): Rewrite as child of Once.
5267         * gold-threads.cc (class Once_initialize): Define.
5268         (once_pointer_control): New static variable.
5269         (once_pointer, once_arg): New static variables.
5270         (c_run_once): New static function.
5271         (Once::Once, Once::run_once, Once::internal_run): New functions.
5272         (class Initialize_lock_once): Remove.
5273         (initialize_lock_control): Remove.
5274         (initialize_lock_pointer): Remove.
5275         (initialize_lock_once): Remove.
5276         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5277         (Initialize_lock::initialize): Rewrite.
5278         (Initialize_lock::do_run_once): New function.
5279         * archive.cc (Archive::interpret_header): Only clear name if it is
5280         not already empty.
5281         * fileread.cc: Include "gold-threads.h"
5282         (file_counts_lock): New static variable.
5283         (file_counts_initialize_lock): Likewise.
5284         (File_read::release): Only increment counts when using --stats.
5285         Use a lock around the increment.
5286         * parameters.cc (class Set_parameters_target_once): Define.
5287         (set_parameters_target_once): New static variable.
5288         (Parameters::Parameters): Move here from parameters.h.
5289         (Parameters::set_target): Rewrite.
5290         (Parameters::set_target_once): New function.
5291         (Parameters::clear_target): Move here and rewrite.
5292         * parameters.h (class Parameters): Update declarations.  Add
5293         set_parameters_target_once_ field.
5294         (Parameters::Parameters): Move to parameters.cc.
5295         (Parameters::clear_target): Likewise.
5296         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5297         task.
5298         (Start_group::~Start_group): New function.
5299         (Start_group::is_runnable): New function.
5300         (Start_group::locks, Start_group::run): New functions.
5301         (Finish_group::run): Change saw_undefined to size_t.
5302         * readsyms.h (class Start_group): Define.
5303         (class Finish_group): Change saw_undefined_ field to size_t.
5304         (Finish_group::Finish_group): Remove saw_undefined and
5305         this_blocker parameters.  Change all callers.
5306         (Finish_group::set_saw_undefined): New function.
5307         (Finish_group::set_blocker): New function.
5308         * symtab.h (class Symbol_table): Change saw_undefined to return
5309         size_t.  Change saw_undefined_ field to size_t.
5310         * target-select.cc (Set_target_once::do_run_once): New function.
5311         (Target_selector::Target_selector): Initialize set_target_once_
5312         field.  Don't initialize lock_ and initialize_lock_ fields.
5313         (Target_selector::instantiate_target): Rewrite.
5314         (Target_selector::set_target): New function.
5315         * target-select.h (class Set_target_once): Define.
5316         (class Target_selector): Update declarations.  Make
5317         Set_target_once a friend.  Remove lock_ and initialize_lock_
5318         fields.  Add set_target_once_ field.
5319
5320 2010-02-10  Ian Lance Taylor  <iant@google.com>
5321
5322         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5323         queueing any tasks.
5324         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5325         (queue_middle_tasks): Add all blockers before queueing any tasks.
5326         (queue_final_tasks): Likewise.
5327         * token.h (Task_token::add_blockers): New function.
5328         * object.h (Input_objects::number_of_relobjs): New function.
5329
5330 2010-02-10  Ian Lance Taylor  <iant@google.com>
5331
5332         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5333         shared, not if not position independent.
5334         * x86_64.cc (Relocate::relocate_tls): Likewise.
5335         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5336         (tls_pie_pic_test): New target.
5337         * testsuite/Makefile.in: Rebuild.
5338
5339         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5340         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5341         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5342         * testsuite/Makefile.in: Rebuild.
5343
5344 2010-02-09  David S. Miller  <davem@davemloft.net>
5345
5346         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5347         R_SPARC_RELATIVE using ->add_local_relative().
5348         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5349
5350         * output.h (Output_data_dynamic::add_section_size): New method
5351         that takes two Output_data objects.
5352         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5353         entry param.  Handle it in initializers.
5354         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5355         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5356         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5357         arg.
5358         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5359         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5360         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5361         for dynrel_includes_plt.
5362         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5363         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5364         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5365         before .rela.plt
5366         (Target_sparc::do_finalize_sections): Update to pass true for
5367         dynrel_includes_plt.
5368         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5369         output before .rela.plt
5370         (Target_powerpc::do_finalize_sections): Update to pass true for
5371         dynrel_includes_plt when 32-bit.
5372
5373 2010-02-08  Doug Kwan  <dougkwan@google.com>
5374
5375         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5376         method.
5377         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5378         Arm_relobj::scan_section_for_cortex_a8_stubs,
5379         Arm_relobj::do_relocation_section): Instead of calling
5380         Output_section::output_address, use faster
5381         Arm_relobj::simple_input_section_output_address.
5382
5383 2010-02-08  David S. Miller  <davem@davemloft.net>
5384
5385         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5386         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5387         relocation helper function.
5388
5389         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5390         just like R_SPARC_GOT{10,13,22}.
5391         (Target_sparc::Scan::local): Likewise.
5392         (Target_sparc::Relocate:relocate): Likewise.
5393
5394 2010-02-06  Ian Lance Taylor  <iant@google.com>
5395
5396         * configure.ac: Rewrite targetobjs duplicate removal code to use
5397         only shell constructs.
5398         * configure: Rebuild.
5399
5400 2010-02-05  Doug Kwan  <dougkwan@google.com>
5401
5402         PR 11247
5403         * arm.cc (Arm_relobj::section_is_scannable): New method.
5404         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5405         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5406
5407 2010-02-04  Doug Kwan  <dougkwan@google.com>
5408
5409         PR 11247
5410         * arm-reloc-property.cc (cstdio): Include.
5411         * configure.ac (targetobjs): Remove duplicates.
5412         * configure: Regenerate.
5413         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5414         big and little endian version for a given address size.
5415
5416 2010-02-03  Doug Kwan  <dougkwan@google.com>
5417
5418         * arm-reloc-property.cc
5419         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5420         definition.
5421         * arm-reloc-property.h
5422         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5423         New method definition.
5424         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5425         declaration.
5426         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5427         overflow to N.
5428         (GOT_PREL): Change implemented to Y.
5429         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5430         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5431         (Arm_relocate_functions::movw_abs_nc): Remove method.
5432         (Arm_relocate_functions::movt_abs): Ditto.
5433         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5434         (Arm_relocate_functions::thm_movt_abs): Ditto.
5435         (Arm_relocate_functions::movw_rel_nc): Ditto.
5436         (Arm_relocate_functions::movw_rel): Ditto.
5437         (Arm_relocate_functions::movt_rel): Ditto.
5438         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5439         (Arm_relocate_functions:thm_movw_rel): Ditto.
5440         (Arm_relocate_functions:thm_movt_rel): Ditto.
5441         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5442         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5443         New method definitions.
5444         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5445         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5446         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5447         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5448         (Target_arm::Relocate::relocate): Check for non-static or
5449         unimplemented relocation code and exit early.  Change calls to
5450         Target_arm::reloc_uses_thumb_bit and
5451         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5452         instead.  Refactor code to handle similar relocations to increase
5453         code sharing.  Remove check for unsupported relocation code in switch
5454         statement.
5455         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5456         relocation property table to find out size.  Change error message to
5457         print out the name of a relocation code instead of the numeric value.
5458         (Target_arm::scan_reloc_for_stub): Use relocation property table
5459         instead of calling Target_arm::reloc_uses_thumb_bit().
5460
5461 2010-02-02  Doug Kwan  <dougkwan@google.com>
5462
5463         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5464         types of relaxed input section.
5465
5466 2010-02-02  Doug Kwan  <dougkwan@google.com>
5467
5468         * Makefile.am (HFILES): Add arm-reloc-property.h.
5469         (DEFFILES): New.
5470         (TARGETSOURCES): Add arm-reloc-property.cc
5471         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5472         (libgold_a_SOURCES): $(DEFFILES)
5473         * Makefile.in: Regenerate.
5474         * arm-reloc-property.cc: New file.
5475         * arm-reloc-property.h: New file.
5476         * arm-reloc.def: New file.
5477         * arm.cc: Update comments.
5478         (arm-reloc-property.h): New included header.
5479         (arm_reloc_property_table): New global variable.
5480         (Target_arm::do_select_as_default_target): New method definition.
5481         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5482         arm-reloc-property to targ_extra_obj.
5483         * parameters.cc (set_parameters_target): Call
5484         Target::select_as_default_target().
5485         * target.h (Target::select_as_default_target): New method definition.
5486         (Target::do_select_as_default_target): Same.
5487
5488 2010-02-01  Doug Kwan  <dougkwan@google.com>
5489
5490         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5491         first_output_text_section_.
5492         (Arm_exidx_fixup::first_output_text_section): New method definition.
5493         (Arm_exidx_fixup::first_output_text_section_): New data member.
5494         (Arm_exidx_fixup::process_exidx_section): Record the first text
5495         output section seen.
5496         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5497         and entsize in output section header.
5498
5499 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5500
5501         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5502         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5503         (Arm_relocate_functions::thm_alu11): New Method.
5504         (Arm_relocate_functions::thm_pc8): New Method.
5505         (Arm_relocate_functions::thm_pc12): New Method.
5506         (Target_arm::Scan::local): Handle the relocations.
5507         (Target_arm::Scan::global): Likewise.
5508         (Target_arm::Relocate::relocate): Likewise.
5509         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5510
5511 2010-01-29  Doug Kwan  <dougkwan@google.com>
5512
5513         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5514         of relocation types as ld.
5515
5516 2010-01-29  Doug Kwan  <dougkwan@google.com>
5517
5518         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5519         to public.
5520         (Arm_relocate_functions::thumb_branch_common): Ditto.
5521         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5522         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5523         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5524         Arm_relocate_functions::jump24): Remove.
5525         (Target_arm::Relocate::relocate): Adjust code to call
5526         Arm_relocation_functions::arm_branch_common and
5527         Arm_relocation_functions::thumb_branch_common instead of their removed
5528         wrappers.  Merge switch-cases together to reduce source code size.
5529
5530 2010-01-29  Doug Kwan  <dougkwan@google.com>
5531
5532         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5533         output_local_symbol_count_needs_update_.
5534         (Arm_relobj::output_local_symbol_count_needs_update,
5535          Arm_relobj::set_output_local_symbol_count_needs_update,
5536          Arm_relobj::update_output_local_symbol_count): New methods.
5537         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5538         member.
5539         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5540         of pointed function as in a R_ARM_PREL31 relocation.
5541         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5542         for output local symbol count updating.
5543         (Target_arm::do_relax): Update output local symbol counts in objects
5544         if necessary.
5545         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5546
5547 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5548
5549         * arm.cc: Added support for the ARM relocations:
5550         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5551         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5552         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5553         movw_prel_nc).
5554         (Arm_relocate_functions::movw_rel): New method.
5555         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5556         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5557         thm_movw_prel_nc).
5558         (Arm_relocate_functions::thm_movw_rel): New method.
5559         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5560         thm_movt_prel).
5561         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5562         relocations.
5563         (Target_arm::Scan::global): Likewise.
5564         (Target_arm::Relocate::relocate): Likewise.
5565         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5566         Likewise.
5567
5568 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5569
5570         * arm.cc: Added support for ARM group relocations.
5571         (Target_arm::reloc_needs_sym_origin): New method.
5572         (Arm_relocate_functions::calc_grp_kn): New method.
5573         (Arm_relocate_functions::calc_grp_residual): New method.
5574         (Arm_relocate_functions::calc_grp_gn): New method.
5575         (Arm_relocate_functions::arm_grp_alu): New Method.
5576         (Arm_relocate_functions::arm_grp_ldr): New Method.
5577         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5578         (Arm_relocate_functions::arm_grp_ldc): New Method.
5579         (Target_arm::Scan::local): Handle the ARM group relocations.
5580         (Target_arm::Scan::global): Likewise.
5581         (Target_arm::Relocate::relocate): Likewise.
5582         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5583         Likewise.
5584
5585 2010-01-26  Doug Kwan  <dougkwan@google.com>
5586
5587         * arm.cc (set): Include.
5588         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5589         pointer type.
5590         (Arm_output_section::Text_section_list): New type.
5591         (Arm_output_section::append_text_sections_to_list): New method.
5592         (Arm_output_section::fix_exidx_coverage): Ditto.
5593         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5594         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5595         Relobj::set_section_offset() instead of
5596         Sized_relobj::invalidate_section_offset().
5597         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5598         parameter for section headers. Ignore relocation sections for
5599         unallocated sections and EXIDX sections.
5600         (Target_arm::fix_exidx_coverage): New method.
5601         (Target_arm::output_section_address_less_than): New type.
5602         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5603         linked text section instead of the EXIDX section.
5604         (Arm_output_section::create_stub_group): Add an assertion to check
5605         that this is not an EXIDX output section.
5606         (Arm_output_section::append_text_sections_to_list): New method.
5607         (Arm_output_section::fix_exidx_coverage): Ditto.
5608         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5609         Arm_relobj::section_needs_reloc_stub_scanning.
5610         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5611         first pass.
5612         (Target_arm::fix_exidx_coverage): New method.
5613         * object.h (Relobj::set_output_section): New method.
5614         (Sized_relobj::invalidate_section_offset): Remove method.
5615         (Sized_relobj::do_invalidate_section_offset): Remove method.
5616         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5617
5618 2010-01-25  Doug Kwan  <dougkwan@google.com>
5619
5620         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5621         Fix warning due to signed and unsigned comparison on a 32-bit host.
5622
5623 2010-01-22  Doug Kwan  <dougkwan@google.com>
5624
5625         * arm.cc (Target_arm::do_relax): Record an output section for section
5626         offset adjustment it contains any stub table that has changed.
5627         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5628         offsets in an output section if necessary.
5629         * output.cc (Output_section::Output_section): Initialize
5630         section_offsets_need_adjustments_.
5631         (Output_section::add_input_section_for_script): Renamed to
5632         Output_section::add_simple_input_section.
5633         (Output_section::save_states): Add a comment.
5634         (Output_section::discard_states): New method defintion.
5635         (Output_section::adjust_section_offsets): Same.
5636         * output.h (Output_section::add_input_section_for_script): Renamed to
5637         Output_section::add_simple_input_section.
5638         (Output_section::discard_states): New method declaration.
5639         (Output_section::adjust_section_offsets): Same.
5640         (Output_section::section_offsets_need_adjustment,
5641         Output_section::set_section_offsets_need_adjustment): New method
5642         definitions.
5643         (Output_section::section_offsets_need_adjustment_): New data member.
5644         * script-sections.cc
5645         (Output_section_element_input::set_section_address): Adjust code for
5646         renaming of Output_section::add_input_section_for_script.
5647         (Orphan_output_section::set_section_address): Same.
5648
5649 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5650
5651         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5652         Fix_v4bx enum values .
5653         * gold/options.h (General_options): New option definitions.
5654         (General_options::fix_v4bx): New method.
5655         (General_options::Fix_v4bx): New enum.
5656         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5657         (General_options::parse_fix_v4bx_interworking): New method.
5658
5659 2010-01-22  Doug Kwan  <dougkwan@google.com>
5660
5661         * arm.cc (Arm_exidx_fixup): New class.
5662
5663 2010-01-21  Doug Kwan  <dougkwan@google.com>
5664
5665         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5666         classes.
5667         (Arm_exidx_section_offset_map): New type.
5668
5669 2010-01-21  Doug Kwan  <dougkwan@google.com>
5670
5671         * arm.cc (Arm_exidx_input_section): New class.
5672         (Arm_relobj::exidx_input_section_by_link,
5673         Arm_relobj::exidx_input_section_by_shndx,
5674         Arm_relobj::make_exidx_input_section): New methods.
5675         (read_arm_attributes_section): Remove.
5676         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5677         information about them.
5678         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5679         to here.
5680
5681 2010-01-20  Doug Kwan  <dougkwan@google.com>
5682
5683         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5684         Input_section_specifier to Section_id.
5685         (Target_arm::new_arm_input_section: Adjust code for change of key
5686         type.
5687         (Target_arm::find_arm_input_section): Ditto.
5688         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5689         (Section_id): Remove.
5690         (Garbage_collection::Section_id_hash): Remove.
5691         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5692         (Section_id): Remove.
5693         (Icf::Section_id_hash): Remove.
5694         * object.h (Section_id, Const_section_id, Section_id_hash,
5695         Const_section_id_hash): New type definitions.
5696         * output.cc (Output_section::add_relaxed_input_section): Change to
5697         use Const_section_id instead of Input_section_specifier as key type.
5698         (Output_section::add_merge_input_section): Ditto.
5699         (Output_section::build_relaxation_map): Change to use Section_id
5700         instead of Input_section_specifier as key type.
5701         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5702         Ditto.
5703         (Output_section::convert_input_sections_to_relaxed_sections): Change
5704         to use Const_section_id instead of Input_section_specifier as key type.
5705         (Output_section::find_merge_section): Ditto.
5706         (Output_section::find_relaxed_input_section): Ditto.
5707         * output.h (Input_section_specifier): Remove class.
5708         (Output_section::Output_section_data_by_input_section_map): Change
5709         key type to Const_section_id.
5710         (Output_section::Output_relaxed_input_section_by_input_section_map):
5711         Ditto.
5712         (Output_section::Relaxation_map): Change key type to Section_id.
5713
5714 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5715
5716         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5717         (class Arm_v4bx_stub): New class.
5718         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5719         (Stub_factory::make_arm_v4bx_stub): New method.
5720         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5721         (Stub_table::empty): Handle v4bx stubs.
5722         (Stub_table::add_arm_v4bx_stub): New method.
5723         (Stub_table::find_arm_v4bx_stub): New method.
5724         (Arm_relocate_functions::v4bx): New method.
5725         (Target_arm::fix_v4bx): New method.
5726         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5727         (Stub_table::relocate_stubs): Likewise.
5728         (Stub_table::do_write): Likewise.
5729         (Stub_table::update_data_size_and_addralign): Likewise.
5730         (Stub_table::finalize_stubs):  Likewise.
5731         (Target_arm::Scan::local): Likewise.
5732         (Target_arm::Scan::global): Likewise.
5733         (Target_arm::do_finalize_sections): Likewise.
5734         (Target_arm::Relocate::relocate): Likewise.
5735         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5736         Likewise.
5737         (Target_arm::scan_reloc_for_stub): Likewise.
5738         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5739
5740 2010-01-19  Ian Lance Taylor  <iant@google.com>
5741
5742         * output.cc (Output_section_headers::do_sized_write): Write large
5743         segment count to sh_info field.
5744         (Output_file_header::do_sized_write): For large segment count,
5745         write PN_XNUM to e_phnum field.
5746
5747 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5748
5749         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5750         (Arm_relocate_functions::thm_jump8): New function.
5751         (Arm_relocate_functions::thm_jump11): New function.
5752         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5753         R_ARM_THM_JUMP11.
5754         (Target_arm::Scan::global): Likewise.
5755         (Target_arm::Relocate::relocate): Likewise.
5756         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5757         Likewise.
5758
5759 2010-01-14  Doug Kwan  <dougkwan@google.com>
5760
5761         * arm.cc (map, utility): Include headers.
5762         (Target_arm::apply_cortex_a8_workaround): New method.
5763         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5764         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5765         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5766         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5767         the --[no-]fix-cortex-a8 command line options.
5768         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5769         (Target_arm::relocate_stub): Use addend in instruction template.
5770         * options.h (DEFINE_bool): Set the user-set flag.
5771         (General_options): Add --[no-]-fix-cortex options.
5772         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5773         : Update fast look-up map after conversion.
5774
5775 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5776
5777         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5778         in the first pass of do_layout.
5779
5780 2010-01-13  Doug Kwan  <dougkwan@google.com>
5781
5782         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5783         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5784         apparent compiler problem of not folding static constant integral
5785         data members of elfcpp::Elf_sizes<32>.
5786
5787 2010-01-13  Doug Kwan  <dougkwan@google.com>
5788
5789         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5790         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5791         Arm_relobj::scan_section_for_cortex_a8_erratum,
5792         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5793         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5794         sections to scan for relocation stubs into a new method
5795         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5796         relocation and Cortex-A8 stub scanning.
5797         (Target_arm::do_relax): Force stubs to be after stubbed sections
5798         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5799         the beginning of a new relaxation pass.  Update a comment.
5800         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5801
5802 2010-01-12  Ian Lance Taylor  <iant@google.com>
5803
5804         * target-reloc.h (visibility_error): New inline function.
5805         (relocate_section): Call visibility_error.
5806         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5807         (MOSTLYCLEANFILES): Likewise.
5808         (protected_4_pic.o, protected_3.err): New targets.
5809         * testsuite/protected_4.cc: New file.
5810
5811 2010-01-12  Doug Kwan  <dougkwan@google.com>
5812
5813         * arm.cc (Cortex_a8_reloc): New class.
5814         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5815         and cortex_a8_relocs_info_.
5816         (Target_arm::fix_cortex_a8): New method definition.
5817         (Target_arm::Cortex_a8_relocs_info): New type.
5818         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5819         New data member declarations.
5820         (Target_arm::scan_reloc_for_stub): Record information about
5821         relocations for THUMB branches that might be exempted from the
5822         Cortex-A8 workaround.
5823         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5824         at the beginning of a relaxation pass.
5825
5826 2010-01-12  Doug Kwan  <dougkwan@google.com>
5827
5828         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5829         (Arm_relobj::Mapping_symbol_position,
5830          Arm_reloj::Mapping_symbol_position_less,
5831          Arm_relobj::Mapping_symbols_info): New types.
5832         (Target_arm::is_mapping_symbol_name): New method definition.
5833         (Arm_relobj::do_count_local_symbols): Save information about mapping
5834         symbols.
5835
5836 2010-01-11  Doug Kwan  <dougkwan@google.com>
5837
5838         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5839         Arm_relocate_functions::thumb32_branch_upper,
5840         Arm_relocate_functions::thumb32_branch_lower,
5841         Arm_relocate_functions::thumb32_cond_branch_offset,
5842         Arm_relocate_functions::thumb32_cond_branch_upper,
5843         Arm_relocate_functions::thumb32_cond_branch_lower,
5844         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5845         branch offset encoding.
5846         (Arm_relocate_functions::thumb_branch_common): Use new branch
5847         offset encoding methods to avoid code duplication.
5848         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5849         (Stub_addend_reader::operator()): Use new branch encoding method
5850         to avoid code duplication.
5851
5852 2010-01-11  Doug Kwan  <dougkwan@google.com>
5853
5854         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5855         (Target_arm::do_finalize_sections): Define special EXIDX section
5856         symbols only if referenced.
5857         * gc.h (Garbage_collection::add_reference): New method.
5858         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5859         code duplication.
5860
5861 2010-01-11  Ian Lance Taylor  <iant@google.com>
5862
5863         * script.cc (Version_script_info::build_expression_list_lookup):
5864         Change complaing about duplicate wildcard match from error to
5865         warning.
5866
5867         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5868         of 2009-12-30.
5869         (Version_script_info::Version_script_info): Initialize globs_,
5870         default_version_, default_is_global_, and exact_.  Don't
5871         initialize globals_ or locals_.
5872         (Version_script_info::build_lookup_tables): Build local symbols
5873         first.
5874         (Version_script_info::unquote): New function.
5875         (Version_script_info::add_exact_match): New function.
5876         (Version_script_info::build_expression_list_lookup): Remove lookup
5877         parameter.  Add is_global parameter.  Change all callers.  Handle
5878         wildcard pattern specially.  Unquote pattern.  Call
5879         add_exact_match.
5880         (Version_script_info::get_name_to_match): New function.
5881         (Version_script_info::get_symbol_version): New function.
5882         (Version_script_info::get_symbol_version_helper): Remove.
5883         (Version_script_info::check_unmatched_names): Call unquote.
5884         * script.h (class Version_script_info): Change get_symbol_version
5885         to be non-inline and add is_global parameter; change all callers.
5886         Rewrite symbol_is_local.  Update declarations.  Define struct
5887         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5888         Remove globals_ and locals_ members.  Add exact_, globs_,
5889         default_version_, is_global_.
5890         (Version_script_info::Glob): Remove pattern, add expression and
5891         is_global.  Update constructor.  Change all callers.
5892         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5893         default version.
5894         (Versions::symbol_section_contents): If a symbol is undefined, or
5895         defined in a dynamic object, set the version index to
5896         VER_NDX_LOCAL.
5897         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5898         symbol_is_local.
5899         (Symbol_table::add_from_pluginobj): Likewise.
5900         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5901
5902 2010-01-11  Doug Kwan  <dougkwan@google.com>
5903
5904         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5905         (incremental_dump_LDADD): Add linking option for libintl.
5906         * Makefile.in: Regenerate.
5907
5908 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5909
5910         PR gold/11144
5911         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5912         instead of -Ds.
5913         * testsuite/Makefile.in: Regenerated.
5914
5915 2010-01-10  Doug Kwan  <dougkwan@google.com>
5916
5917         * options.h (DEFINE_var): Use parentheses around argument varname__
5918         in macro body to avoid any unintended subsequent substitutions.
5919
5920 2010-01-10  Ian Lance Taylor  <iant@google.com>
5921
5922         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5923         candidates before doing symbol resolution.
5924
5925         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5926         ODR candidates if only one is weak.
5927
5928 2010-01-08  Ian Lance Taylor  <iant@google.com>
5929
5930         * script.cc (Version_script_info::build_expression_list_lookup):
5931         Don't warn about ambiguous version, just record the ambiguity.
5932         (Version_script_info::get_symbol_version_helper): Give error if
5933         version is ambiguous.
5934
5935 2010-01-08  Doug Kwan  <dougkwan@google.com>
5936
5937         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5938           prev_data_size_ and prev_addralign_.  Remove initializer for
5939           deleted data member has_been_changed_.
5940           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5941           to determine if the table is empty.
5942           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5943           Remove.
5944           (Stub_table::add_reloc_stub): Define method in class definition
5945           instead of just declaring it there.
5946           (Stub_table::add_cortex_a8_stub): New method definition.
5947           (Stub_table::update_data_size_and_addralign): Ditto.
5948           (Stub_table::finalize_stubs): Ditto.
5949           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5950           (Stub_table::do_addralign_): Return address alignment in the
5951           (Stub_table::do_reset_address_and_file_offset): Define method in
5952           class definition instead of declaring it there.  Set current data
5953           size to be the data size of the previous pass.
5954           (Stub_table::set_final_data_size): Use current data size as the
5955           final data size.
5956           (Stub_table::relocate_stub): Change parameter type of stub from
5957           Reloc_stub pointer to Stub pointer.
5958           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5959           (Stub_table::Cortex_a8_stub_list): New typedef.
5960           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5961            Stub_table::prev_addralign_): New data member.
5962           (Arm_relobj::Arm_relobj): Initialize data member
5963           section_has_cortex_a8_workaround_.
5964           (Arm_relobj::section_has_cortex_a8_workaround,
5965            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5966            definitions.
5967           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5968           declarations.
5969           (Target_arm::relocate_stub): Change parameter type of stub from
5970           Reloc_stub pointer to Stub pointer.
5971           (Insn_template::size, Insn_template::alignment): Handle
5972           THUMB16_SPECIAL_TYPE.
5973           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5974            Stub_table::update_data_size_and_addralign,
5975            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5976           definitions.
5977           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5978           (Stub_table::do_write): Ditto.
5979           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5980
5981 2010-01-08  Ian Lance Taylor  <iant@google.com>
5982
5983         PR 11108
5984         * symtab.h (class Symbol): Remove fields is_target_special_ and
5985         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5986         (Symbol::is_defined_in_discarded_section): New function.
5987         (Symbol::set_is_defined_in_discarded_section): New function.
5988         (Symbol::has_plt_offset): Rewrite.
5989         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5990         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5991         Don't initialize is_target_special_ or has_plt_offset_.
5992         Initialize is_defined_in_discarded_section_.
5993         (Symbol_table::add_from_relobj): If appropriate, set
5994         is_defined_in_discarded_section.
5995         * resolve.cc (Symbol::override_base_with_special): Don't test
5996         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5997         * target-reloc.h (relocate_section): Do special handling for
5998         symbols defined in discarded sections for global symbols as well
5999         as local symbols.
6000
6001 2010-01-08  Ian Lance Taylor  <iant@google.com>
6002
6003         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6004         the SHT_SYMTAB case.
6005
6006 2010-01-08  Ian Lance Taylor  <iant@google.com>
6007
6008         * object.cc (Sized_relobj::do_layout): Don't get confused if
6009         layout_eh_frame returns NULL.
6010
6011 2010-01-08  Ian Lance Taylor  <iant@google.com>
6012
6013         PR 11084
6014         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6015         dynamic symbol table, use the normal symbol table.
6016         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6017         symbol table.
6018
6019 2010-01-08  Ian Lance Taylor  <iant@google.com>
6020
6021         PR 11072
6022         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6023         sections.
6024
6025 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6026
6027         * version.cc (print_version): Change to "Copyright 2010".
6028
6029 2010-01-08  Ian Lance Taylor  <iant@google.com>
6030
6031         PR 10287
6032         PR 11063
6033         * i386.cc (class Target_i386): Change return type of plt_section
6034         to be non-const.
6035         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6036         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6037         tls_desc_rel_ field.
6038         (Output_data_plt_i386::rel_tls_desc): New function.
6039         (Target_i386::rel_tls_desc_section): New function.
6040         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6041         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6042         R_386_TLS_DESC reloc in rel_tls_desc_section.
6043         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6044         Define struct Tlsdesc_info.
6045         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6046         (Target_x86_64::do_reloc_symbol_index): New function.
6047         (Target_x86_64::add_tlsdesc_info): New function.
6048         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6049         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6050         tlsdesc_rel_ field.
6051         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6052         all callers.
6053         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6054         (Target_x86_64::rela_tlsdesc_section): New function.
6055         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6056         handling.
6057         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6058         (Target_x86_64::do_reloc_addend): New function.
6059         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6060         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6061         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6062         (Output_reloc::type): New function.
6063         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6064         (Output_reloc::is_target_specific): New function.
6065         (Output_reloc::target_arg): New function.
6066         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6067         absolute relocs and target specific relocs.
6068         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6069         add_target_specific.
6070         (class Output_data_reloc) [SHT_RELA]: Likewise.
6071         * output.cc (Output_reloc::Output_reloc): Add four new versions
6072         for absolute relocs and target specific relocs.
6073         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6074         (Output_reloc::get_symbol_index): Likewise.
6075         (Output_reloc::local_section_offset): Check that local_sym_index_
6076         is not TARGET_CODE or 0.
6077         (Output_reloc::symbol_value): Likewise.
6078         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6079         reloc.
6080         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6081         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6082         functions.
6083         * layout.cc (add_target_dynamic_tags): Use output section for
6084         DT_PLTRELSZ and DT_JMPREL.
6085
6086 2010-01-07  Ian Lance Taylor  <iant@google.com>
6087
6088         PR 11061
6089         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6090         function.
6091         (class Output_data_reloc_generic): Define.
6092         (class Output_data_reloc_base): Change base class to
6093         Output_data_reloc_generic.  Change add() method to call
6094         bump_relative_reloc_count for a relative reloc.  Remove
6095         sort_relocs_ field.
6096         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6097         to sort_relocs().
6098         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6099         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6100         appropriate.
6101         * layout.h (class Layout): Update declaration.
6102
6103 2010-01-07  Ian Lance Taylor  <iant@google.com>
6104
6105         * output.h (class Output_data): Add const version of
6106         output_section and do_output_section.
6107         (class Output_section_data): Add const version of
6108         do_output_section.
6109         (class Output_section): Likewise.
6110         * layout.cc (Layout::add_target_dynamic_tags): New function.
6111         * layout.h (class Layout): Update declarations.
6112         * arm.cc (Target_arm::do_finalize_sections): Use
6113         add_target_dynamic_tags.
6114         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6115         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6116         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6117         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6118
6119 2010-01-07  Ian Lance Taylor  <iant@google.com>
6120
6121         PR 11042
6122         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6123         object as needed.
6124
6125 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6126             Ian Lance Taylor  <iant@google.com>
6127
6128         PR 11019
6129         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6130         Xindex::read_symtab_xindex.
6131
6132 2010-01-07  Doug Kwan  <dougkwan@google.com>
6133
6134         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6135         (Insn_template::thumb16_bcond_insn): New method declaration.
6136         (Insn_template): Fix spelling.
6137         (Stub::thumb16_special): New method declaration.
6138         (Stub::do_write): Define virtual method which was previously pure
6139         virtual.
6140         (Stub::do_thumb16_special): New method declaration.
6141         (Stub::do_fixed_endian_write): New template member.
6142         (Reloc_stub::do_write): Remove.
6143         (Reloc_stub::do_fixed_endian_write): Remove.
6144         (Cortex_a8_stub): New class definition.
6145         (Stub_factory::make_cortex_a8_stub): New method definition.
6146         (Stub_factory::Stub_factory): Add missing static storage class
6147         qualifier for elf32_arm_stub_a8_veneer_blx.
6148
6149 2010-01-07  Ian Lance Taylor  <iant@google.com>
6150
6151         PR 10980
6152         * options.h (class General_options): Add --warn-unresolved-symbols
6153         and --error-unresolved-symbols.
6154         * errors.cc (Errors::undefined_symbol): Implement
6155         --warn-unresolved-symbols.
6156
6157         * options.h (class General_options): Add -z text and -z textoff.
6158         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6159
6160 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6161
6162         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6163         (Garbage_collection::cident_sections): New function.
6164         (Garbage_collection::add_cident_section): New function.
6165         (Garbage_collection::cident_sections_): New member.
6166         (gc_process_relocs): Add references to sections whose names are C
6167         identifiers.
6168         * gold.h (cident_section_start_prefix): New constant.
6169         (cident_section_stop_prefix): New constant.
6170         (is_cident): New function.
6171         * layout.cc (Layout::define_section_symbols): Replace string constants
6172         with the newly defined constants.
6173         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6174         C identifiers.
6175         * testsuite/Makefile.am: Add gc_orphan_section_test.
6176         * testsuite/Makefile.in: Regenerate.
6177         * testsuite/gc_orphan_section_test.cc: New file.
6178         * testsuite/gc_orphan_section_test.sh: New file.
6179
6180 2010-01-06  Ian Lance Taylor  <iant@google.com>
6181
6182         PR 10980
6183         * options.h (class General_options): Add --warn-shared-textrel.
6184         * layout.cc (Layout::finish_dynamic_section): Implement
6185         --warn-shared-textrel.
6186
6187         PR 10980
6188         * options.h (class General_options): Add --warn-multiple-gp.
6189
6190 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6191
6192         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6193         $(THREADSLIB) and $(LIBDL).
6194         * Makefile.in: Rebuild.
6195
6196 2010-01-06  Ian Lance Taylor  <iant@google.com>
6197
6198         PR 10980
6199         * options.cc (General_options::parse_section_start): New function.
6200         (General_options::section_start): New function.
6201         (General_options::General_options): Initialize all members.
6202         * options.h: Include <map>
6203         (class General_options): Add --section-start.  Add section_starts_
6204         member.
6205         * layout.cc (Layout::attach_allocated_section_to_segment): If
6206         --section-start was used, set the address of the segment.  Remove
6207         local sort_sections.
6208         (Layout::relaxation_loop_body): If the address of the load segment
6209         has been set by --section-start, don't use it.
6210         * output.h (Output_segment::update_flags_for_output_section): New
6211         function.
6212         * output.cc (Output_segment::add_output_section): Call
6213         update_flags_for_output_section.
6214
6215 2010-01-05  Ian Lance Taylor  <iant@google.com>
6216
6217         PR 10980
6218         * options.h (class General_options): Add --undefined-version.
6219         * script.cc (struct Version_expression): Add was_matched_by_symbol
6220         field.
6221         (Version_script_info::matched_symbol): New function.
6222         (Version_script_info::get_symbol_version_helper): Call
6223         matched_symbol.
6224         (Version_script_info::check_unmatched_names): New function.
6225         * script.h (class Version_script_info): Update declarations.
6226         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6227
6228         * options.h (class General_options): Use DEFINE_bool_alias for
6229         allow_multiple_definition.
6230         * resolve.cc (Symbol_table::should_override): Don't test
6231         allow_multiple_definition.
6232
6233         PR 10980
6234         * options.h (class General_options): Add --cref.
6235         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6236         until after printing cref table.
6237         * cref.cc: Include "symtab.h".
6238         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6239         (Cref_table_compare::operator()): New function.
6240         (Cref_inputs::gather_cref): New function.
6241         (filecol): New static const.
6242         (Cref_inputs::print_cref): New function.
6243         (Cref::print_cref): New function.
6244         * cref.h: Include <cstdio>.
6245         (class Cref): Update declarations.
6246         * mapfile.h (Mapfile::file): New function.
6247         * object.h (class Object): Define Symbols.  Declare virtual
6248         do_get_global_symbols.
6249         (Object::get_global_symbols): New function.
6250         * object.cc (Input_objects::add_object): Pass object to cref_ if
6251         --cref.
6252         (Input_objects::archive_start): Likewise.
6253         (Input_objects::archive_stop): Likewise.
6254         (Input_objects::print_cref): New function.
6255         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6256         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6257         --cref.
6258         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6259         function.
6260         * plugin.h (class Sized_pluginobj): Update declarations.
6261
6262 2010-01-05  Ian Lance Taylor  <iant@google.com>
6263
6264         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6265         to is_default_version.  Rename insdef to insdefault.
6266         (Symbol_table::add_from_relobj): Rename def to is_default_version
6267         and local to is_forced_local.
6268         (Symbol_table::add_from_pluginobj): Likewise.
6269         (Symbol_table::add_from_dynobj): Likewise.
6270         (Symbol_table::define_special_symbol): Rename insdef to
6271         insdefault.
6272
6273 2010-01-04  Ian Lance Taylor  <iant@google.com>
6274
6275         PR 10980
6276         * options.h (class General_options): Add
6277         --allow-multiple-definition and -z muldefs.
6278         * resolve.cc (Symbol_table::should_override): Don't warn about a
6279         multiple symbol definition if --allow-multiple-definition or -z
6280         muldefs.
6281
6282         PR 10980
6283         * options.h (class General_options): Add --add-needed and
6284         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6285         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6286         error if --copy-dt-needed-entries aka --add-needed is used and
6287         would cause a change in behaviour.
6288
6289         PR 10980
6290         * options.h (class General_options): Add -G as a short version of
6291         --shared.  Add no-op options -assert, -g, and -i.
6292
6293 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6294
6295         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6296         check for .text or .gnu.linkonce.t sections.
6297         * icf.cc (Icf::find_identical_sections): Ditto.
6298         Change the detection for mangled function name within the section
6299         name.
6300         * icf.h (is_section_foldable_candidate): New function.
6301
6302 2009-12-30  Ian Lance Taylor  <iant@google.com>
6303
6304         PR 10980
6305         * options.h (class General_options): Permit two dashes with
6306         --retain-symbols-file.
6307
6308 2009-12-30  Ian Lance Taylor  <iant@google.com>
6309
6310         PR 10979
6311         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6312         don't put the file header and segment headers in the text
6313         segment.
6314
6315         PR 10979
6316         * common.cc (Sort_commons::operator()): Stabilize sort when both
6317         entries are NULL.
6318         (Symbol_table::do_allocate_commons_list): When allocating common
6319         symbols, skip a symbol which is no longer common.
6320         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6321         an object before checking its type.
6322         * testsuite/common_test_2.c: New file.
6323         * testsuite/common_test_3.c: New file.
6324         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6325         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6326         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6327         (common_test_2_pic.o, common_test_2.so): New targets.
6328         (common_test_3_pic.o, common_test_3.so): New targets.
6329         * testsuite/Makefile.in: Rebuild.
6330
6331         PR 10979
6332         * script.cc (read_input_script): If we see a new SECTIONS clause,
6333         and we have added an input section, give an error.
6334         * layout.h (class Layout): Add have_added_input_section function.
6335         Add have_added_input_section_ field.
6336         * layout.cc (Layout::Layout): Initialize
6337         have_added_input_section_.
6338         (Layout::layout): Set have_added_input_section_.
6339         (Layout::layout_eh_frame): Likewise.
6340
6341 2009-12-30  Ian Lance Taylor  <iant@google.com>
6342
6343         PR 10931
6344         * options.h (class General_options): Add --sort-common option.
6345         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6346         * common.cc (Sort_common): Add sort_order parameter to
6347         constructor.  Add sort_order_ field.
6348         (Sort_commons::operator): Check sort_order_.
6349         (Symbol_table::allocate_commons): Determine the sort order.
6350         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6351         Change all callers.
6352         (Symbol_table::do_allocate_commons_list): Likewise.
6353
6354 2009-12-30  Ian Lance Taylor  <iant@google.com>
6355
6356         PR 10916
6357         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6358         symbols from this object, don't change the visibility of an
6359         undefined symbol.
6360         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6361
6362 2009-12-30  Ian Lance Taylor  <iant@google.com>
6363
6364         PR 10861
6365         * script.h (class Version_script_info): Define Language enum.
6366         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6367         new fields globals_, locals_, and is_finalized_.
6368         * script.cc: Various formatting fixes.
6369         (class Parser_closure): Change language_stack_ from a vector of
6370         std::string to one of Version_script_info::Language.  Adjust all
6371         uses accordingly.
6372         (class Lazy_demangler): Remove.
6373         (struct Version_expression): Change language from std::string to
6374         Version_script_info::Language.
6375         (Version_script_info::Version_script_info): New function.
6376         (Version_script_info::~Version_script_info): Don't call clear.
6377         (Version_script_info::finalize): New function.
6378         (Version_script_info::build_lookup_tables): New function.
6379         (Version_script_info::build_expression_list_lookup): New
6380         function.
6381         (Version_script_info::get_symbol_version_helper): Rewrite to use
6382         lookup tables.
6383         (Version_script_info::print_expression_list): Adjust to use
6384         Version_script_info::Language.
6385         (script_push_lex_into_version_mode): Check that the version script
6386         has not been finalized.
6387         (version_script_push_lang): Change language string to
6388         Version_script_info::Language.
6389         * options.cc (Command_line::version_script): New function.
6390         * options.h (class General_options): Add finalize_dynamic_list
6391         function.  Change version_script from declaration to definition.
6392         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6393         * testsuite/version_script.map: Remove duplicate def of foo.
6394         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6395         version_script.map.
6396         * testsuite/Makefile.in: Rebuild.
6397
6398 2009-12-30  Ian Lance Taylor  <iant@google.com>
6399
6400         PR 10843
6401         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6402         if the input symbol index is 0, make the output symbol index 0.
6403
6404 2009-12-30  Ian Lance Taylor  <iant@google.com>
6405
6406         PR 10670
6407         * options.h (class General_options): Add -x/--discard-all.
6408         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6409         --discard-all.  If the local symbol needs a dynamic entry, check
6410         that before handling --discard-locals.
6411
6412 2009-12-30  Ian Lance Taylor  <iant@google.com>
6413
6414         PR 10450
6415         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6416         flags to PF_R.
6417         (Output_segment::add_output_section): Don't change the flags if
6418         the type is PT_TLS.
6419
6420         PR 10450
6421         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6422         GNU hash table if they need a dynamic value.  Otherwise, don't add
6423         them if they are defined in a dynamic object or are forced local.
6424
6425 2009-12-29  Ian Lance Taylor  <iant@google.com>
6426
6427         PR 10450
6428         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6429         .gnu.hash table for a 32-bit target.
6430
6431         PR 10450
6432         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6433         regular and a dynamic object only needs a dynamic symbol table
6434         entry if it is externally visible.
6435
6436         PR 10450
6437         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6438         constructor.  Add global_offset_table_ field.
6439         (Target_i386::got_section): Set global_offset_table_.
6440         (Target_i386::do_finalize_sections): Set global_offset_table_
6441         size.
6442         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6443         in constructor.  Add global_offset_table_ field.
6444         (Target_x86_64::got_section): Set global_offset_table_.
6445         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6446         size.
6447
6448         * layout.cc (Layout::Layout): Initialize increase_relro_.
6449         (Layout::get_output_section): Add is_relro, is_last_relro, and
6450         is_first_non_relro parameters.  Change all callers.
6451         (Layout::choose_output_section): Likewise.
6452         (Layout::add_output_section_data): Likewise.
6453         (Layout::make_output_section): Likewise.
6454         (Layout::set_segment_offsets): Clear increase_relro when using a
6455         linker script.
6456         * layout.h (class Layout): Add increase_relro method.  Add
6457         increase_relro_ field.  Update declarations.
6458         * output.cc (Output_section::Output_section): Initialize
6459         is_last_relro_ and is_first_non_relro_.
6460         (Output_segment::add_output_section): Group relro sections is
6461         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6462         (Output_segment::maximum_alignment): Remove relro handling.
6463         (Output_segment::set_section_addresses): Add increase_relro
6464         parameter.  Change all callers.  Add initial alignment to align
6465         relro sections on separate page.  Remove old relro handling.
6466         (Output_segment::set_section_list_addresses): Remove in_relro
6467         parameter.  Change all callers.
6468         (Output_segment::set_offset): Add increase parameter.  Change all
6469         callers.  Remove old relro handling.
6470         * output.h (class Output_section): Add new methods: is_last_relro,
6471         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6472         Add is_last_relro_ and is_first_non_relro_ fields.
6473         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6474         Create separate .got.plt section.  Call increase_relro.
6475         * x86_64.cc (Target_x86_64::got_section): Likewise.
6476         * testsuite/relro_script_test.t: Add .got.plt.
6477
6478         PR 10450
6479         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6480         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6481         (Layout::finalize): Call set_dynamic_symbol_size.
6482         (Layout::set_dynamic_symbol_size): New function.
6483         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6484         set_dynamic_symbol_size.
6485
6486         PR 10450
6487         * output.h (class Output_section): Add is_entsize_zero_ field.
6488         * output.cc (Output_section::Output_section): Initialize
6489         is_entsize_zero_.
6490         (Output_section::set_entsize): If two different entsizes are
6491         requested, force it to zero.
6492         (Output_section::add_input_section): Set flags for .debug_str
6493         before updating section flags.  Set entsize.
6494         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6495         and SHF_STRING if all input sections have those flags.
6496
6497 2009-12-29   Rafael Espindola  <espindola@google.com>
6498
6499         * main.cc (main): Fix the sys time reporting.
6500         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6501         reporting.
6502
6503 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6504
6505         * options.cc (General_options::parse_version): Allow -v to exit
6506         without an error if there is nothing to link.
6507
6508 2009-12-29  Ian Lance Taylor  <iant@google.com>
6509
6510         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6511         using a version of gcc before 4.1.
6512         * configure: Rebuild.
6513
6514 2009-12-28  Chris Demetriou  <cgd@google.com>
6515
6516         * attributes.cc (Output_attributes_section_data::do_write): Use
6517         std::vector::front rather than std::vector::data.
6518
6519 2009-12-28  Ian Lance Taylor  <iant@google.com>
6520
6521         * symtab.h (class Symbol_table): Add enum Defined.
6522         * resolve.cc (Symbol_table::should_override): Add defined
6523         parameter.  Change all callers.  Test whether object is NULL
6524         before calling a method on it.
6525         (Symbol_table::report_resolve_problem): Add defined parameter.
6526         Change all callers.
6527         (Symbol_table::should_override_with_special): Likewise.
6528         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6529         parameter.  Change all callers.
6530         (Symbol_table::do_define_in_output_data): Likewise.
6531         (Symbol_table::define_in_output_segment): Likewise.
6532         (Symbol_table::do_define_in_output_segment): Likewise.
6533         (Symbol_table::define_as_constant): Likewise.
6534         (Symbol_table::do_define_as_constant): Likewise.
6535         * script.h (class Symbol_assignment): Add is_defsym parameter to
6536         constructor; change all callers.
6537         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6538         parameter.  Change all callers.  Add is_defsym_ field.
6539         (class Parser_closure): Add parsing_defsym parameter to
6540         constructor; change all callers.  Add parsing_defsym accessor
6541         function.  Add parsing_defsym_ field.
6542
6543 2009-12-28  Ian Lance Taylor  <iant@google.com>
6544
6545         * gold.cc (queue_middle_tasks): Fix formatting.
6546         * object.cc (Relobj::is_section_name_included): Likewise.
6547
6548 2009-12-23  Ian Lance Taylor  <iant@google.com>
6549
6550         * i386.cc (Target_i386::do_calls_non_split): Recognize
6551         -fsplit-stack prologue for a function with a static chain.
6552         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6553         -fsplit-stack prologue when using %r11.
6554
6555 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6556
6557         * options.cc (General_options::parse_version): Make -v continue and do
6558         the link like GNU ld does.
6559
6560 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6561
6562         * Makefile.am (CCFILES): Add timer.cc.
6563         (HFILES): Add timer.h.
6564         * configure.ac: Check for sysconf and times.
6565         * main.cc: include timer.h.
6566         (main): Use Timer instead of get_run_time.
6567         * timer.cc: New.
6568         * timer.h: New.
6569         * workqueue.cc: include timer.h.
6570         (Workqueue::find_and_run_task):
6571         Report user, sys and wall time.
6572         * Makefile.in: Regenerate.
6573         * config.in: Regenerate.
6574         * configure: Regenerate.
6575
6576 2009-12-16  Doug Kwan  <dougkwan@google.com>
6577
6578         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6579         sections.
6580         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6581         relaxed input sections.
6582         * output.cc (Output_section::find_relaxed_input_section): Change
6583         return type to Output_relaxed_input_section pointer.  Adjust code
6584         for new type of relaxed_input_section_map_.
6585         * output.h (Output_section::find_relaxed_input_section): Change
6586         return type to Output_relaxed_input_section pointer.
6587         (Output_section::Output_relaxed_input_section_by_input_section_map):
6588         New type.
6589         (Output_section::relaxed_input_section_map_): Change type to
6590         Output_section::Output_relaxed_input_section_by_input_section_map.
6591         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6592         input section.
6593
6594 2009-12-15  Ian Lance Taylor  <iant@google.com>
6595
6596         * layout.cc (Layout::create_shstrtab): Only write out after input
6597         sections if we are compressing debug sections.
6598
6599 2009-12-15  Ian Lance Taylor  <iant@google.com>
6600
6601         * archive.cc (Archive::add_symbols): Only look up a symbol without
6602         a version if there is, in fact, a version.
6603
6604 2009-12-14  Ian Lance Taylor  <iant@google.com>
6605
6606         Revert -Wshadow changes, all changes from:
6607         2009-12-11  Doug Kwan  <dougkwan@google.com>
6608         2009-12-11  Nick Clifton  <nickc@redhat.com>
6609         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6610
6611 2009-12-11  Doug Kwan  <dougkwan@google.com>
6612
6613         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6614         due to -Wshadow.
6615         * attributes.cc (Object_attribute::size): Ditto.
6616         (Attributes_section_data::size): Ditto.
6617         (Attributes_section_data::Attributes_section_data): Ditto.
6618         (Output_attributes_section_data::do_write): Ditto.
6619         * attributes.h (Object_attribute::set_type): Ditto.
6620         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6621
6622 2009-12-11  Nick Clifton  <nickc@redhat.com>
6623
6624         * archive.cc: Fix shadowed variable warnings.
6625         * arm.cc: Likewise.
6626         * compressed_output.cc: Likewise.
6627         * compressed_output.h: Likewise.
6628         * configure: Likewise.
6629         * dwarf_reader.cc: Likewise.
6630         * dynobj.cc: Likewise.
6631         * dynobj.h: Likewise.
6632         * ehframe.cc: Likewise.
6633         * ehframe.h: Likewise.
6634         * errors.cc: Likewise.
6635         * expression.cc: Likewise.
6636         * fileread.cc: Likewise.
6637         * fileread.h: Likewise.
6638         * freebsd.h: Likewise.
6639         * i386.cc: Likewise.
6640         * icf.cc: Likewise.
6641         * incremental.h: Likewise.
6642         * layout.cc: Likewise.
6643         * layout.h: Likewise.
6644         * mapfile.cc: Likewise.
6645         * merge.cc: Likewise.
6646         * merge.h: Likewise.
6647         * object.cc: Likewise.
6648         * object.h: Likewise.
6649         * options.h: Likewise.
6650         * output.cc: Likewise.
6651         * output.h: Likewise.
6652         * parameters.cc: Likewise.
6653         * plugin.cc: Likewise.
6654         * powerpc.cc: Likewise.
6655         * reduced_debug_output.cc: Likewise.
6656         * reduced_debug_output.h: Likewise.
6657         * reloc.cc: Likewise.
6658         * reloc.h: Likewise.
6659         * resolve.cc: Likewise.
6660         * script-sections.cc: Likewise.
6661         * script.cc: Likewise.
6662         * script.h: Likewise.
6663         * sparc.cc: Likewise.
6664         * symtab.cc: Likewise.
6665         * symtab.h: Likewise.
6666         * target-select.cc: Likewise.
6667         * target-select.h: Likewise.
6668         * token.h: Likewise.
6669         * workqueue.cc: Likewise.
6670         * workqueue.h: Likewise.
6671         * x86_64.cc: Likewise.
6672
6673 2009-12-10  Doug Kwan  <dougkwan@google.com>
6674
6675         * arm.cc (attributes.h): New include.
6676         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6677         (Arm_relobj::~Arm_relobj): Delete object pointed by
6678         attributes_section_data_.
6679         (Arm_relobj::attributes_section_data): New method definition.
6680         (Arm_relobj::attributes_section_data_): New data member declaration.
6681         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6682         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6683         attributes_section_data_.
6684         (Arm_dynobj::attributes_section_data): New method definition.
6685         (Arm_dynobj::attributes_section_data_): New data member declaration.
6686         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6687         initialization value of may_use_blx_ to false.
6688         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6689         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6690         object attributes to compute results instead of hard-coding.
6691         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6692         Target_arm::get_secondary_compatible_arch,
6693         Target_arm::set_secondary_compatible_arch
6694         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6695         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6696         New method declarations.
6697         (Target_arm::get_aeabi_object_attribute): New method definition.
6698         (Target_arm::attributes_section_data_): New data member declaration.
6699         (read_arm_attributes_section): New template definition.
6700         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6701         (Arm_dynobj::do_read_symbols): Ditto.
6702         (Target_arm::do_finalize_sections): Merge attributes sections from
6703         input.  Check for BLX use after attributes section merging.
6704         Fix __exidx_start and __exidx_end visibility.  Create an
6705         .ARM.attributes section if necessary.
6706         (Target_arm::get_secondary_compatible_arch,
6707         Target_arm::set_secondary_compatible_arch,
6708         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6709         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6710         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6711         New method definitions.
6712
6713 2009-12-09  Ian Lance Taylor  <iant@google.com>
6714
6715         * plugin.cc (Plugin::load): Don't cast from void* to a function
6716         pointer.
6717
6718 2009-12-09  Ian Lance Taylor  <iant@google.com>
6719
6720         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6721         information fields.
6722
6723 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6724
6725         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6726         Replace two_file_shared_1.so with two_file_shared_2.so.
6727         * testsuite/Makefile.in: Regenerated.
6728
6729 2009-12-08  Doug Kwan  <dougkwan@google.com>
6730
6731         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6732         (HFILES): Add attributes.h and int_encoding.h.
6733         * Makefile.in: Regenerate.
6734         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6735         function definitions to int_encoding.cc
6736         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6737         prototypes to int_encoding.h
6738         * reduced_debug_output.cc (int_encoding.h): New include.
6739         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6740         function definitions to int_encoding.cc
6741         (insert_into_vector, read_from_pointer): Move template definitions to
6742         int_encoding.h
6743         * attributes.cc: New file.
6744         * attributes.h: New file.
6745         * int_encoding.cc: New file.
6746         * int_encoding.h: New file.
6747
6748 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6749
6750         PR gold/11055
6751         * incremental-dump.cc (dump_incremental_inputs): New.
6752         (main): Use dump_incremental_inputs.
6753
6754 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6755
6756         PR gold/10893
6757         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6758         checking elfcpp::STT_FUNC.
6759         (Target_i386::Relocate::relocate): Likewise.
6760         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6761
6762         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6763         symbols from shared libraries into normal FUNC symbols.
6764
6765         * symtab.h (Symbol): Add is_func and use it.
6766
6767 2009-12-05  Doug Kwan  <dougkwan@google.com>
6768
6769         * arm.cc (Target_arm::arm_info): Initialize new fields
6770         attributes_section and attributes_vendor.
6771         * i386.cc (Target_i386::i386_info): Same.
6772         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6773         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6774         fields attributes_section and attributes_vendor.
6775         * sparc.cc (Target_sparc::sparc_info): Same.
6776         * target.h (Target::attributes_section, Target::attributes_vendor,
6777         Target::is_attributes_section, Target::attribute_arg_type,
6778         Target::attributes_order): New method definitions.
6779         (Target::Target_info::attributes_section,
6780         Target::Target_info::attributes_vendor): New fields.
6781         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6782         virtual method definitions.
6783         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6784         attributes_section and attributes_vendor.
6785         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6786
6787 2009-12-05  Doug Kwan  <dougkwan@google.com>
6788
6789         * arm.cc: Update comments about interworking and stub generation.
6790         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6791         considered as non-PIC.
6792         (Arm_relocate_functions::base_abs): Fix formatting.
6793         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6794         of function to use GOT entry address instead of offset.
6795         (Target_arm::Scan::global): Issue an error if a symbol would need a
6796         PLT does not get one because it is untyped.  Remove code to create
6797         dynamic symbols for relative branches.
6798         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6799         takes unsigned integer instead of boolean.
6800
6801 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6802
6803         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6804         (two_file_test_LDADD): Likewise.
6805         (common_test_1_LDADD): Likewise.
6806         (exception_test_LDADD) Likewise.
6807         (weak_test_LDADD): Likewise.
6808         (many_sections_test_LDADD): Likewise.
6809         (initpri1_LDADD): Likewise.
6810         (script_test_1_LDADD): Likewise.
6811         (script_test_2_LDADD): Likewise.
6812         (justsyms_LDADD): Likewise.
6813         (binary_test_LDADD): Likewise.
6814         (large_LDADD): Likewise.
6815         * testsuite/Makefile.in: Regenerated.
6816
6817 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6818
6819         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6820         (Symbol_table::override_with_special): Likewise.
6821         (Symbol_table::add_from_object): Likewise.
6822
6823 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6824
6825         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6826         Don't set the data_offset twice.
6827
6828 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6829
6830         * testsuite/Makefile.in: Regenerate.
6831
6832 2009-12-03  Doug Kwan  <dougkwan@google.com>
6833
6834         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6835         (Target_arm::do_finalize_sections): Add parameter for symbol table
6836         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6837         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6838         parameter for symbol table pointer.
6839         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6840         an additional parameter for a pointer to symbol table.
6841         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6842         parameter for a symbol table pointer.
6843         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6844         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6845         Ditto.
6846         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6847         parameter for a symbol table pointer.
6848
6849 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6850
6851         * incremental.cc (Incremental_inputs_header)
6852         (Incremental_inputs_header_write, Incremental_inputs_entry)
6853         (Incremental_inputs_entry_write): Move ...
6854         * incremental.h (Incremental_inputs_header)
6855         (Incremental_inputs_header_write, Incremental_inputs_entry)
6856         (Incremental_inputs_entry_write): here.
6857
6858 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6859
6860         * incremental.cc (make_sized_incremental_binary): Set the target.
6861         Error if it is incompatible.
6862         * output.h (Output_file): Add filename method.
6863
6864 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6865
6866         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6867         from the get_* methods.
6868
6869 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6870
6871         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6872         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6873         Write 0 for the data_offset of scripts.
6874
6875 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6876
6877         * testsuite/Makefile.am: Add the incremental_test.sh test.
6878         * testsuite/incremental_test.sh: New.
6879         * testsuite/incremental_test_1.c: New.
6880         * testsuite/incremental_test_2.c: New.
6881
6882 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6883
6884        * incremental-dump.cc (main): Fix typos.
6885
6886 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6887
6888         PR gold/11025
6889         * incremental-dump.cc (main): Use llu to print 64 bit values.
6890
6891 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6892             H.J. Lu  <hongjiu.lu@intel.com>
6893
6894         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6895         $(LIBDL).
6896         (incremental_dump_LDADD): Likewise.
6897         * Makefile.in: Regenerated.
6898
6899 2009-11-25  Doug Kwan  <dougkwan@google.com>
6900
6901         Revert:
6902
6903         2009-11-25  Doug Kwan  <dougkwan@google.com>
6904
6905                 * arm.cc (Target_arm::Target_arm): Move method definition
6906                 outside of class definition.  Add code to handle
6907                 --target1-rel, --target1-abs and --target2= options.
6908                 (Target_arm::get_reloc_reloc_type): Change method to be
6909                 non-static and const.
6910                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6911                 New data member declaration.
6912                 (Target_arm::Scan::local, Target_arm::Scan::global,
6913                 Target_arm::Relocate::relocate,
6914                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6915                 Adjust call to Target_arm::get_real_reloc_type.
6916                 (Target_arm::get_real_reloc_type): Use command line options
6917                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6918                 * options.h (--target1-rel, --target1-abs, --target2): New
6919                 ARM-only options.
6920
6921 2009-11-25  Doug Kwan  <dougkwan@google.com>
6922
6923         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6924         class definition.  Add code to handle --target1-rel, --target1-abs
6925         and --target2= options.
6926         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6927         and const.
6928         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6929         member declaration.
6930         (Target_arm::Scan::local, Target_arm::Scan::global,
6931         Target_arm::Relocate::relocate,
6932         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6933         call to Target_arm::get_real_reloc_type.
6934         (Target_arm::get_real_reloc_type): Use command line options to
6935         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6936         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6937         options.
6938
6939 2009-11-25  Doug Kwan  <dougkwan@google.com>
6940
6941         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6942         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6943         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6944         formatting.
6945         (Arm_relocate_functions::thm_call): Replace body with a call to
6946         Arm_relocate_functions::thumb_branch_common.
6947         (Arm_relocate_functions::thm_jump24,
6948         Arm_relocate_functions::thm_xpc22): New method definitions.
6949         (Arm_relocate_functions::thumb_branch_common): New method definition.
6950         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6951         operator.
6952         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6953         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6954
6955 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6956
6957         * Makefile.am: Build incremental-dump
6958         * Makefile.in: Regenerate.
6959         * incremental-dump.cc: New.
6960         * incremental.cc (Incremental_inputs_header_data,
6961         Incremental_inputs_entry_data): Move to incremental.h
6962         * incremental.h: (Incremental_inputs_header_data,
6963         Incremental_inputs_entry_data): Move from incremental.cc
6964
6965 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6966
6967         * incremental.cc (Incremental_inputs_header,
6968         Incremental_inputs_header_write, Incremental_inputs_entry,
6969         Incremental_inputs_entry_write): Add a typedef with the data type.
6970
6971 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6972
6973         * incremental.cc (Incremental_inputs_header,
6974         Incremental_inputs_header_write, Incremental_inputs_entry,
6975         Incremental_inputs_entry_write): Update comment about which
6976         type has the filed descriptions.
6977
6978 2009-11-15  Doug Kwan  <dougkwan@google.com>
6979
6980         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6981         (Arm_relocate_functions::arm_branch_common): Change method defintion
6982         in class definition to a method declaration and update list of formal
6983         parameters.
6984         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6985         Arm_relocation_functions::jump24): Adjust call to
6986         Arm_relocate_functions::arm_branch_common.  Update list of formal
6987         parameters.
6988         (Arm_relocate_functions::xpc25): New method definition.
6989         (Arm_relocate_functions::arm_branch_common): Move method defintion
6990         out from class definition.  Use stubs for mode-switching and extending
6991         branch ranges.
6992         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6993         specially.  Change code to enable use of stubs in ARM branches.
6994
6995 2009-11-10  Doug Kwan  <dougkwan@google.com>
6996
6997         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6998         in method declaration.
6999         (Target_arm::relocate_stub): New method declaration.
7000         (Target_arm::default_target): Change to return a pointer instead of
7001         a const reference.
7002         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7003         Target_arm::default_target.
7004         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7005         method definition.
7006         (Target_arm::relocate_section): Adjust view.
7007         (Target_arm::relocate_stub): New method definition.
7008
7009 2009-11-10  Doug Kwan  <dougkwan@google.com>
7010
7011         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7012         a format warning.
7013         * incremental.cc (open_incremental_binary): Initialized local
7014         variables to avoid warnings.
7015         * object.cc (make_elf_object): Ditto.
7016         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7017         a format warning.
7018
7019 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7020
7021         PR gold/10930
7022         * testsuite/plugin_test.c: Include "config.h".
7023
7024 2009-11-09  Doug Kwan  <dougkwan@google.com>
7025
7026         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7027         (arm_symbol_value): Remove.
7028         (Arm_relocate_functions::arm_branch_common,
7029         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7030         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7031         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7032         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7033         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7034         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7035         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7036         Arm_relocate_functions::thm_mobw_abs_nc,
7037         Arm_relocate_functions::thm_mov_abs,
7038         Arm_relocate_functions::movw_prel_nc,
7039         Arm_relocate_functions::thm_movt_abs,
7040         Arm_relocate_functions::movt_prel,
7041         Arm_relocate_functions::thm_movw_prel_nc,
7042         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7043         (Target_arm::Relocate::relocate): Only decompose address into two
7044         parts if relocation type uses the thumb-bit and pass the actual
7045         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7046         calls to methods in Arm_relocate_functions for this change.
7047
7048 2009-11-08  Ian Lance Taylor  <iant@google.com>
7049
7050         PR 10925
7051         * reloc.cc: Instantiate
7052         Sized_relobj::initialize_input_to_output_maps and
7053         Sized_relobj:free_input_to_output_maps.
7054
7055 2009-11-06  Ian Lance Taylor  <iant@google.com>
7056
7057         PR 10876
7058         * defstd.cc (in_segment): Set only_if_ref true for "end".
7059
7060 2009-11-06  Doug Kwan  <dougkwan@google.com>
7061
7062         * arm.cc (class Reloc_stub): Correct a comment.
7063         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7064         (Target_arm::scan_section_for_stubs): New method declaration.
7065         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7066         Change methods from private to protected.
7067         (Target_arm::do_may_relax): New method definition.
7068         (Target_arm::do_relax, Target_arm::group_sections,
7069         Target_arm::scan_reloc_for_stub,
7070         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7071         (Target_arm::arm_input_section_map_): New data member declaration.
7072         (Target_arm::scan_reloc_for_stub,
7073         Target_arm::scan_reloc_section_for_stubs,
7074         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7075         Target_arm::do_relax): New method definitions.
7076
7077 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7078
7079         * configure.ac: Check for (struct stat)::st_mtim
7080         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7081         * config.in: Regenerate.
7082         * configure: Regenerate.
7083
7084 2009-11-05  Ian Lance Taylor  <iant@google.com>
7085
7086         PR 10910
7087         * output.cc (Output_segment::add_output_section): Add missing
7088         return statement.
7089
7090 2009-11-04  Ian Lance Taylor  <iant@google.com>
7091
7092         PR 10880
7093         * object.h (class Object): Add is_needed and set_is_needed
7094         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7095         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7096         defined in a dynamic object and referenced by a regular object,
7097         set is_needed for the dynamic object.
7098         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7099         if the file is marked with as_needed and it is not needed.
7100
7101 2009-11-04  Ian Lance Taylor  <iant@google.com>
7102
7103         PR 10887
7104         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7105         tags if data is discarded by linker script.
7106         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7107         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7108         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7109         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7110
7111 2009-11-04  Ian Lance Taylor  <iant@google.com>
7112
7113         * layout.cc (Layout::get_output_section): Add is_interp and
7114         is_dynamic_linker_section parameters.  Change all callers.
7115         (Layout::choose_output_section): Likewise.
7116         (Layout::make_output_section): Likewise.
7117         (Layout::add_output_section_data): Add is_dynamic_linker_section
7118         parameter.  Change all callers.
7119         * layout.h (class Layout): Update declarations.
7120         * output.h (class Output_section): Add is_interp, set_is_interp,
7121         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7122         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7123         generate_code_fills_at_write_ to a bitfield.
7124         * output.cc (Output_section::Output_sections): Initialize new
7125         fields.
7126         (Output_segment::add_output_section): Add do_sort parameter.
7127         Change all callers.
7128
7129 2009-11-03  Ian Lance Taylor  <iant@google.com>
7130
7131         PR 10860
7132         * options.h (class General_options): Add --warn-common.
7133         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7134         merging two common symbols.
7135         (Symbol_table::should_override): Handle --warn-common when merging
7136         a common symbol with a defined symbol.  Use report_resolve_problem
7137         for multiple definitions.
7138         (Symbol_table::report_resolve_problem): New function.
7139         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7140
7141 2009-11-03  Doug Kwan  <dougkwan@google.com>
7142
7143         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7144         stub_factory_.
7145         (Target_arm::stub_factory): New method definition.
7146         (Target_arm::new_arm_input_section,
7147         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7148         Target_arm::reloc_uses_thumb_bit): New method declarations.
7149         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7150         New type definitions.
7151         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7152         member declarations.
7153         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7154         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7155         New method definitions.
7156
7157 2009-11-03  Ian Lance Taylor  <iant@google.com>
7158
7159         * options.h (class General_options): Add --warn_constructors.
7160
7161 2009-11-03  Ian Lance Taylor  <iant@google.com>
7162
7163         PR 10893
7164         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7165         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7166
7167 2009-11-03  Ian Lance Taylor  <iant@google.com>
7168
7169         PR 10895
7170         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7171         --msgid-bugs-address.
7172         (install-pdf): New target.
7173         (install-data_yes): Look up one directory to find mkinstalldirs.
7174
7175 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7176
7177         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7178         tree.
7179
7180 2009-10-30  Doug Kwan  <dougkwan@google.com>
7181
7182         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7183
7184 2009-10-30  Doug Kwan  <dougkwan@google.com>
7185
7186         * arm.cc (Stub_addend_reader): New struct template definition
7187         and partial specializations.
7188         (Stub_addend_reader::operator()): New method definition for a
7189         partially specialized template.
7190
7191 2009-10-30  Doug Kwan  <dougkwan@google.com>
7192
7193         * arm.cc (Arm_relobj::processor_specific_flags): New method
7194         definition.
7195         (Arm_relobj::do_read_symbols): New method declaration.
7196         (Arm_relobj::processor_specific_flags_): New data member declaration.
7197         (Arm_dynobj): New class definition.
7198         (Target_arm::do_finalize_sections): Add input_objects parameter.
7199         (Target_arm::do_adjust_elf_header): New method declaration.
7200         (Target_arm::are_eabi_versions_compatible,
7201         (Target_arm::merge_processor_specific_flags): New method declaration.
7202         (Target_arm::do_make_elf_object): New overloaded method definitions
7203         and declaration.
7204         (Arm_relobj::do_read_symbols): New method definition.
7205         (Arm_dynobj::do_read_symbols): Ditto.
7206         (Target_arm::do_finalize_sections): Add input_objects parameters.
7207         Merge processor-specific flags from all input objects.
7208         (Target_arm::are_eabi_versions_compatible,
7209         Target_arm::merge_processor_specific_flags,
7210         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7211         New method definitions.
7212         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7213         Input_objects pointer type parameter.
7214         * layout.cc (Layout::finalize): Pass input objects to target's.
7215         finalize_sections function.
7216         * output.cc (Output_file_header::do_sized_write): Set ELF file
7217         header's processor-specific flags.
7218         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7219         Input_objects pointer type parameter.
7220         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7221         * target.h (Input_objects): New forward class declaration.
7222         (Target::processor_specific_flags,
7223         Target::are_processor_specific_flags_sect): New method definitions.
7224         (Target::finalize_sections): Add input_objects parameter.
7225         (Target::Target): Initialize processor_specific_flags_ and
7226         are_processor_specific_flags_set_.
7227         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7228         parameter.
7229         (Target::set_processor_specific_flags): New method definition.
7230         (Target::processor_specific_flags_,
7231         Target::are_processor_specific_flags_set_): New data member
7232         declarations.
7233         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7234         Input_objects pointer type parameter.
7235
7236 2009-10-30  Doug Kwan  <dougkwan@google.com>
7237
7238         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7239
7240 2009-10-28  Ian Lance Taylor  <iant@google.com>
7241
7242         * object.h (class Relobj): Drop options parameter from
7243         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7244         do_scan_relocs, do_relocate.  Change all callers.
7245         (class Sized_relobj): Drop options parameters from
7246         do_gc_process_relocs, do_scan_relocs, do_relocate,
7247         do_relocate_sections, relocate_sections, emit_relocs_scan,
7248         emit_relocs_scan_reltype.  Change all callers.
7249         (struct Relocate_info): Remove options field and all references to
7250         it.
7251         * reloc.h (class Read_relocs): Remove options constructor
7252         parameter and options_ field.  Change all callers.
7253         (class Gc_process_relocs, class Scan_relocs): Likewise.
7254         (class Relocate_task): Likewise.
7255         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7256         all callers.
7257         (scan_relocatable_relocs): Likewise.
7258         * target.h (class Sized_target): Remove options parameter from
7259         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7260         all callers.
7261         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7262         callers.
7263         * arm.cc: Update functions to remove options parameters.
7264         * i386.cc: Likewise.
7265         * powerpc.cc: Likewise.
7266         * sparc.cc: Likewise.
7267         * x86_64.cc: Likewise.
7268         * testsuite/testfile.cc: Likewise.
7269
7270 2009-10-28  Doug Kwan  <dougkwan@google.com>
7271
7272         * arm.cc (Arm_relobj): New class definition.
7273         (Arm_relobj::scan_sections_for_stubs,
7274         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7275         New method definitions.
7276
7277 2009-10-28  Cary Coutant  <ccoutant@google.com>
7278
7279         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7280         (Plugin::cleanup_done_): New member.
7281         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7282         (Plugin_manager::cleanup_done_): Remove.
7283         (Plugin_manager::add_input_file): Edit error message.
7284         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7285         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7286
7287 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7288
7289         * fileread.cc: (File_read::View::~View): Use the new
7290         data_ownership_ filed.
7291         (File_read::~File_read): Dispose the new whole_file_view_.
7292         (File_read::open): Mmap the whole file if needed.
7293         (File_read::open): Use whole_file_view_ instead of contents_.
7294         (File_read::find_view): Use whole_file_view_ if applicable.
7295         (File_read::do_read): Use whole_file_view_ instead of contents_.
7296         (File_read::make_view): Use whole_file_view_ instead of contents_,
7297         update File_read::View::View call.
7298         (File_read::find_or_make_view): Update File_read::View::View
7299         call.
7300         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7301         remove contents_
7302         (File_read::View::Data_ownership): New enum.
7303         (File_read::View::View): Replace bool mapped_ with Data_ownership
7304         argument.
7305         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7306         (File_read::View::data_ownership_): New field.
7307         (File_read::contents_): Remove (replaced by whole_file_view_).
7308         (File_read::whole_file_view_): New field.
7309         * options.h (class General_options): Add --keep-files-mapped.
7310
7311 2009-10-27  Cary Coutant  <ccoutant@google.com>
7312
7313         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7314         * testsuite/Makefile.am (plugin_test_5): New test case.
7315         * testsuite/Makefile.in: Regenerate.
7316
7317 2009-10-25  Doug Kwan  <dougkwan@google.com>
7318
7319         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7320         from private to protected to allow access by child class.
7321         (Sized_relobj::do_relocate_sections): New method declaration.
7322         (Sized_relobj::relocate_sections): Virtualize.
7323         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7324         Sized_relobj::relocate_sections.  Instantiate template explicitly
7325         for different target sizes and endianity.
7326
7327 2009-10-24  Doug Kwan  <dougkwan@google.com>
7328
7329         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7330         (Arm_input_section::as_arm_input_section): New method.
7331         (Arm_output_section): New class definition.
7332         (Arm_output_section::create_stub_group,
7333         Arm_output_section::group_sections): New method definitions.
7334
7335 2009-10-22  Doug Kwan  <dougkwan@google.com>
7336
7337         * arm.cc (Arm_input_section): New class definition.
7338         (Arm_input_section::init, Arm_input_section:do_write,
7339         Arm_input_section::set_final_data_size,
7340         Arm_input_section::do_reset_address_and_file_offset): New method
7341         definitions.
7342
7343 2009-10-21  Doug Kwan  <dougkwan@google.com>
7344
7345         * arm.cc (Stub_table, Arm_input_section): New forward class
7346         declarations.
7347         (Stub_table): New class defintion.
7348         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7349         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7350         New method definition.
7351
7352 2009-10-21  Doug Kwan  <dougkwan@google.com>
7353
7354         * arm.cc: Update copyright comments.
7355         (Target_arm): New forward class template declaration.
7356         (Arm_address): New type.
7357         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7358         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7359         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7360         constants.
7361         (Insn_template): Same.
7362         (DEF_STUBS): New macro.
7363         (Stub_type): New enum type.
7364         (Stub_template): New class definition.
7365         (Stub): Same.
7366         (Reloc_stub): Same.
7367         (Stub_factory): Same.
7368         (Target_arm::Target_arm): Initialize may_use_blx_ and
7369         should_force_pic_veneer_.
7370         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7371         Target_arm::should_force_pic_veneer,
7372         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7373         Target_arm::using_thumb_only, Target_arm:;default_target): New
7374         method defintions.
7375         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7376         New data member declarations.
7377         (Insn_template::size, Insn_template::alignment): New method defintions.
7378         (Stub_template::Stub_template): New method definition.
7379         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7380         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7381         (Stub_factory::Stub_factory): New method definition.
7382         * gold.h (string_hash): New template.
7383         * output.h (Input_section_specifier::hash_value): Use
7384         gold::string_hash.
7385         (Input_section_specifier::string_hash): Remove.
7386         * stringpool.cc (Stringpool_template::string_hash): Use
7387         gold::string_hash.
7388
7389 2009-10-20  Doug Kwan  <dougkwan@google.com>
7390
7391         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7392         symbols of relaxed input sections.
7393         * output.h (Output_section::find_relaxed_input_section): Make
7394         method public.
7395
7396 2009-10-16  Doug Kwan  <dougkwan@google.com>
7397
7398         * dynobj.cc (Versions::Versions): Initialize version_script_.
7399         Only insert base version symbol definition for a shared object
7400         if version script defines any version versions.
7401         (Versions::define_base_version): New method definition.
7402         (Versions::add_def): Check that base version is not needed.
7403         (Versions::add_need): Define base version lazily.
7404         * dynobj.h (Versions::define_base_version): New method declaration.
7405         (Versions::needs_base_version_): New data member declaration.
7406         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7407         (check_DATA): Add no_version_test.stdout.
7408         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7409         New make rules.
7410         * testsuite/Makefile.in: Regenerate.
7411         * testsuite/no_version_test.c: New file.
7412         * testsuite/no_version_test.sh: Ditto.
7413
7414 2009-10-16  Doug Kwan  <dougkwan@google.com>
7415
7416         * expression.cc (class Segment_start_expression): New class definition.
7417         (Segment_start_expression::value): New method definition.
7418         (script_exp_function_segment_start): Return a new
7419         Segment_start_expression.
7420         * gold/script-c.h (script_saw_segment_start_expression): New function
7421         prototype.
7422         * script-sections.cc (Script_sections::Script_sections): Initialize
7423         SAW_SEGMENT_START_EXPRESSION_ to false.
7424         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7425         and -Tbbs options to specify section addresses if given in
7426         command line and no SEGMENT_START expression is seen in a script.
7427         * script-sections.h (Script_sections::saw_segment_start_expression,
7428         Script_sections::set_saw_segment_start_expression): New method
7429         definition.
7430         (Script_sections::saw_segment_start_expression_): New data member
7431         declaration.
7432         * script.cc (script_saw_segment_start_expression): New function.
7433         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7434         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7435         script_test_7.sh and script_test_8.sh.
7436         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7437         script_test_8.stdout.
7438         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7439         (script_test_6, script_test_6.stdout, script_test_7,
7440         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7441         * Makefile.in: Regenerate.
7442         * testsuite/script_test_6.sh: New file.
7443         * testsuite/script_test_6.t: Same.
7444         * testsuite/script_test_7.sh: Same.
7445         * testsuite/script_test_7.t: Same.
7446         * testsuite/script_test_8.sh: Same.
7447
7448 2009-10-16  Doug Kwan  <dougkwan@google.com>
7449
7450         * output.cc (Output_segment::set_section_list_address): Cast
7451         expressions to unsigned long long type to avoid format warnings.
7452
7453 2009-10-15  Ian Lance Taylor  <iant@google.com>
7454
7455         * script.cc (Script_options::add_symbol_assignment): Always add a
7456         dot assignment to script_sections_.
7457         * script-sections.cc (Script_sections::add_dot_assignment):
7458         Initialize if necessary.
7459
7460         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7461         program headers with no load segment if there is a linker script.
7462
7463         * layout.cc (Layout::set_segment_offsets): Align the file offset
7464         to the segment aligment for -N or -n with no load segment.
7465         * output.cc (Output_segment::add_output_section): Don't crash if
7466         the first section is a TLS section.
7467         (Output_segment::set_section_list_addresses): Print an error
7468         message if the address moves backward in a linker script.
7469         * script-sections.cc
7470         (Output_section_element_input::set_section_addresses): Don't
7471         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7472         (Orphan_output_section::set_section_addresses): Likewise.
7473
7474 2009-10-15  Doug Kwan  <dougkwan@google.com>
7475
7476         * layout.cc (Layout::finish_dynamic_section): Generate tags
7477         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7478         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7479         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7480
7481 2009-10-14  Ian Lance Taylor  <iant@google.com>
7482
7483         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7484         fields.
7485         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7486         data_shdr fields of relinfo.
7487         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7488         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7489         R_386_TLS_LDO_32, adjust based on section flags.
7490         (Target_i386::Relocate::fix_up_ldo): Remove.
7491
7492 2009-10-13  Ian Lance Taylor  <iant@google.com>
7493
7494         Add support for -pie.
7495         * options.h (class General_options): Add -pie and
7496         --pic-executable.
7497         (General_options::output_is_position_independent): Test -pie.
7498         (General_options::output_is_executable): Return true if not shared
7499         and not relocatable.
7500         (General_options::output_is_pie): Remove.
7501         * options.cc (General_options::finalize): Reject incompatible uses
7502         of -pie.
7503         * gold.cc (queue_middle_tasks): A -pie link is not static.
7504         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7505         * symtab.cc (Symbol::final_value_is_known): Return false if
7506         output_is_position_independent.
7507         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7508         output_is_position_independent.
7509         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7510         output_is_position_independent.
7511         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7512         output_is_position_independent.
7513         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7514         two_file_pie_test.
7515         (basic_pie_test.o, basic_pie_test): New targets.
7516         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7517         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7518         (two_file_pie_test): New target.
7519         * testsuite/Makefile.in: Rebuild.
7520         * README: Remove note saying that -pie is not supported.
7521
7522 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7523
7524         * options.h (class General_options): Add -init and -fini.
7525         * layout.cc (Layout::finish_dynamic_section): Emit
7526         given init and fini functions.
7527
7528 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7529
7530         * gc.h (gc_process_relocs): Check if icf is enabled using new
7531         function.
7532         * gold.cc (queue_initial_tasks): Likewise.
7533         (queue_middle_tasks): Likewise.
7534         * object.cc (do_layout): Likewise.
7535         * symtab.cc (is_section_folded): Likewise.
7536         * main.cc (main): Likewise.
7537         * reloc.cc (Read_relocs::run): Likewise.
7538         (Sized_relobj::do_scan_relocs): Likewise.
7539         * icf.cc (is_function_ctor_or_dtor): New function.
7540         (Icf::find_identical_sections): Check if function is ctor or dtor when
7541         safe icf is chosen.
7542         * options.h (General_options::icf): Change option to be an enum.
7543         (Icf_status): New enum.
7544         (icf_enabled): New method.
7545         (icf_safe_folding): New method.
7546         (set_icf_status): New method.
7547         (icf_status_): New variable.
7548         * (options.cc) (General_options::finalize): Set icf_status_.
7549         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7550         icf_test and icf_keep_unique_test to use the --icf enum flag.
7551         * testsuite/icf_safe_test.sh: New file.
7552         * testsuite/icf_safe_test.cc: New file.
7553
7554 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7555
7556         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7557         includes to gc.h and icf.h.
7558         * arm.cc: Include gc.h.
7559         * gold.cc: Likewise.
7560         * i386.cc: Likewise.
7561         * powerpc.cc: Likewise.
7562         * sparc.cc: Likewise.
7563         * x86_64.cc: Likewise.
7564         * gc.h: Include icf.h.
7565
7566 2009-10-11  Ian Lance Taylor  <iant@google.com>
7567
7568         * plugin.cc: Include "gold.h" before other header files.
7569
7570 2009-10-10  Chris Demetriou  <cgd@google.com>
7571
7572         * options.h (Input_file_argument::Input_file_type): New enum.
7573         (Input_file_argument::is_lib_): Replace with...
7574         (Input_file_argument::type_): New member.
7575         (Input_file_argument::Input_file_argument): Take Input_file_type
7576         'type' rather than boolean 'is_lib' as second argument.
7577         (Input_file_argument::is_lib): Use type_.
7578         (Input_file_argument::is_searched_file): New function.
7579         (Input_file_argument::may_need_search): Handle is_searched_file.
7580         * options.cc (General_options::parse_library): Support -l:filename.
7581         (General_options::parse_just_symbols): Update for Input_file_argument
7582         changes.
7583         (Command_line::process): Likewise.
7584         * archive.cc (Archive::get_file_and_offset): Likewise.
7585         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7586         * script.cc (read_script_file, script_add_file): Likewise.
7587         * fileread.cc (Input_file::Input_file): Likewise.
7588         (Input_file::will_search_for): Handle is_searched_file.
7589         (Input_file::open): Likewise.
7590         * readsyms.cc (Read_symbols::get_name): Likewise.
7591         * testsuite/Makefile.am (searched_file_test): New test.
7592         * testsuite/Makefile.in: Regenerate.
7593         * testsuite/searched_file_test.cc: New file.
7594         * testsuite/searched_file_test_lib.cc: New file.
7595
7596 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7597             Ian Lance Taylor  <iant@google.com>
7598
7599         * descriptor.cc: Include <cstdio> and "binary-io.h".
7600         (Descriptors::open): Open the files in binary mode always.
7601         * script.cc (Lex::get_token): Treat \r as whitespace.
7602
7603 2009-10-09  Ian Lance Taylor  <iant@google.com>
7604
7605         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7606
7607 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7608             Ian Lance Taylor  <iant@google.com>
7609
7610         * configure.ac: Check for readv function also.
7611         * fileread.cc (readv): Define if not HAVE_READV.
7612         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7613         does not exist.
7614         * config.in: Regenerate.
7615         * configure: Regenerate.
7616
7617 2009-10-09  Doug Kwan  <dougkwan@google.com>
7618
7619         * layout.cc (Layout::make_output_section): Call target hook to make
7620         ordinary output section.
7621         (Layout::finalize): Adjust parameter list of call the
7622         Target::may_relax().
7623         * layout.h (class Layout::section_list): New method.
7624         * merge.h (Output_merge_base::entsize): Change visibility to public.
7625         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7626         New methods.
7627         (Output_merge_string::do_is_string): New method.
7628         * object.cc (Sized_relobj::do_setup): renamed from
7629         Sized_relobj::set_up.
7630         * object.h (Sized_relobj::adjust_shndx,
7631         Sized_relobj::initializ_input_to_output_maps,
7632         Sized_relobj::free_input_to_output_maps): Change visibilities to
7633         protected.
7634         (Sized_relobj::setup): Virtualize.
7635         (Sized_relobj::do_setup): New method declaration.
7636         (Sized_relobj::invalidate_section_offset,
7637         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7638         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7639         * options.cc (parse_int): New function.
7640         * options.h (parse_int): New declaration.
7641         (DEFINE_int): New macro.
7642         (stub_group_size): New option.
7643         * output.cc (Output_section::Output_section): Initialize memebers
7644         merge_section_map_, merge_section_by_properties_map_,
7645         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7646         (Output_section::add_input_section): Handled deferred code-fill
7647         generation and remove an old comment.
7648         (Output_section::add_relaxed_input_section): New method definition.
7649         (Output_section::add_merge_input_section): Use merge section by
7650         properties map to speed to search.  Update merge section maps
7651         as appropriate.
7652         (Output_section::build_relaxation_map): New method definition.
7653         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7654         Same.
7655         (Output_section::relax_input_section): Renamed to
7656         Output_section::convert_input_sections_to_relaxed_sections and change
7657         interface to take a vector of pointers to relaxed sections.
7658         (Output_section::find_merge_section,
7659         Output_section::find_relaxed_input_section): New method definitions.
7660         (Output_section::is_input_address_mapped,
7661         Output_section::output_offset, Output_section::output_address):
7662         Use output section data maps to speed up searching.
7663         (Output_section::find_starting_output_address): Add comments.
7664         (Output_section::do_write,
7665         Output_section::write_to_postprocessing_buffer): Do code-fill
7666         generation as appropriate.
7667         (Output_section::get_input_sections): Invalidate relaxed input section
7668         map.
7669         (Output_section::restore_states): Adjust type of checkpoint .
7670         Invalidate relaxed input section map.
7671         * output.h (Output_merge_base): New class declaration.
7672         (Input_section_specifier): New class defintion.
7673         (class Output_relaxed_input_section) Change base class to
7674         Output_section_data_build.
7675         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7676         base class initializer.
7677         (Output_section::add_relaxed_input_section): New method declaration.
7678         (Output_section::Input_section): Change visibility to protected.
7679         (Output_section::Input_section::relobj,
7680         Output_section::Input_section::shndx): Handle relaxed input sections.
7681         Output_section::input_sections) Change visibility to protected.  Also
7682         define overload to return a non-const pointer.
7683         (Output_section::Merge_section_properties): New class defintion.
7684         (Output_section::Merge_section_by_properties_map,
7685         Output_section::Output_section_data_by_input_section_map,
7686         Output_section::Relaxation_map): New types.
7687         (Output_section::relax_input_section): Rename method to
7688         Output_section::convert_input_sections_to_relaxed_sections and change
7689         interface to take a vector of relaxed section pointers.
7690         (Output_section::find_merge_section,
7691         Output_section::find_relaxed_input_section,
7692         Output_section::build_relaxation_map,
7693         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7694         New method declarations.
7695         (Output_section::merge_section_map_
7696         Output_section::merge_section_by_properties_map_,
7697         Output_section::relaxed_input_section_map_,
7698         Output_section::is_relaxed_input_section_map_valid_,
7699         Output_section::generate_code_fills_at_write_): New data members.
7700         * script-sections.cc
7701         (Output_section_element_input::set_section_addresses): Call
7702         current_data_size and addralign methods of relaxed input sections.
7703         (Orphan_output_section::set_section_addresses): Call current_data_size
7704         and addralign methods of relaxed input sections.
7705         * symtab.cc (Symbol_table::compute_final_value): Extract template
7706         from the body of Symbol_table::sized_finalize_symbol.
7707         (Symbol_table::sized_finalized_symbol): Call
7708         Symbol_table::compute_final_value.
7709         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7710         (Symbol_table::compute_final_value): New templated method declaration.
7711         * target.cc (Target::do_make_output_section): New method defintion.
7712         * target.h (Target::make_output_section): New method declaration.
7713         (Target::relax): Add more parameters for input objects, symbol table
7714         and layout.  Adjust call to do_relax.
7715         (Target::do_make_output_section): New method declaration.
7716         (Target::do_relax): Add parameters for input objects, symbol table
7717         and layout.
7718
7719 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7720
7721         * pread.c: Include stdio.h.
7722
7723 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7724
7725         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7726         defined.
7727
7728 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7729
7730         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7731         Change read_shndx type to unsigned int.
7732         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7733         int.
7734         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7735         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7736         Change read_shndx type to unsigned int.
7737         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7738         int.
7739         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7740         * layout.cc (Layout::create_symtab_sections): Cast the result of
7741         local_symcount * symsize to off_t in the gold_assert.
7742
7743 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7744
7745         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7746         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7747         R_ARM_BASE_ABS.
7748         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7749         (Arm_relocate_functions::thm_abs5): New function.
7750         (Arm_relocate_functions::abs12): New function.
7751         (Arm_relocate_functions::abs16): New function.
7752         (Arm_relocate_functions::base_abs): New function.
7753         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7754         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7755         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7756         R_ARM_BASE_ABS.
7757         (Scan::global): Likewise.
7758         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7759         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7760         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7761         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7762         R_ARM_BASE_ABS.
7763
7764 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7765
7766         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7767         (Arm_relocate_functions::movt_prel): New function.
7768         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7769         (Arm_relocate_functions::thm_movt_prel): New function.
7770         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7771         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7772         (Scan::global, Relocate::relocate): Likewise.
7773         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7774
7775 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7776
7777         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7778         Incremental_checker.
7779         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7780         unsigned int.
7781         (class Incremental_inputs_header): New class.
7782         (Incremental_inputs_header_writer): Edit comment.
7783         (Incremental_inputs_entry): New class.
7784         (Incremental_inputs_entry_writer): Edit comment.
7785         (Sized_incremental_binary::do_find_incremental_inputs_section):
7786         Add *strtab_shndx parameter, fill it.
7787         (Sized_incremental_binary::do_check_inputs): New method.
7788         (Incremental_checker::can_incrementally_link_output_file): Use
7789         Sized_incremental_binary::check_inputs.
7790         (Incremental_inputs::report_command_line): Save command line in
7791         command_line_.
7792         * incremental.h:
7793         (Incremental_binary::find_incremental_inputs_section): New
7794         method.
7795         (Incremental_binary::do_find_incremental_inputs_section): Add
7796         strtab_shndx parameter.
7797         (Incremental_binary::do_check_inputs): New pure virtual method.
7798         (Sized_incremental_binary::do_check_inputs): Declare.
7799         (Incremental_checker::Incremental_checker): Add incremental_inputs
7800         parameter, use it to initialize incremental_inputs_.
7801         (Incremental_checker::incremental_inputs_): New field.
7802         (Incremental_checker::command_line): New method.
7803         (Incremental_checker::inputs): New method.
7804         (Incremental_checker::command_line_): New field.
7805
7806 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7807
7808         * incremental.cc: Include <cstdarg> and "target-select.h".
7809         (vexplain_no_incremental): New function.
7810         (explain_no_incremental): New function.
7811         (Incremental_binary::error): New method.
7812         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7813         method.
7814         (make_sized_incremental_binary): New function.
7815         (open_incremental_binary): New function.
7816         (can_incrementally_link_file): Add checks if output is ELF and has
7817         inputs section.
7818         * incremental.h: Include "elfcpp_file.h" and "output.h".
7819         (Incremental_binary): New class.
7820         (Sized_incremental_binary): New class.
7821         (open_incremental_binary): Declare.
7822         * object.cc (is_elf_object): Use
7823         elfcpp::Elf_recognizer::is_elf_file.
7824         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7825         * output.h (Output_file::filesize): New method.
7826
7827 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7828
7829         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7830         New function.
7831         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7832         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7833         function.
7834         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7835         function.
7836         (Arm_relocate_functions::movw_abs_nc): New function.
7837         (Arm_relocate_functions::movt_abs): New function.
7838         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7839         (Arm_relocate_functions::thm_movt_abs): New function.
7840         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7841         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7842         (Scan::global): Likewise.
7843         (Relocate::relocate): Likewise.
7844         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7845
7846 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7847
7848         * arm.cc (Arm_relocate_functions::got_prel) New function.
7849         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7850         (Relocate::relocate): Likewise.
7851         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7852
7853 2009-10-06  Ian Lance Taylor  <iant@google.com>
7854
7855         * options.h (class General_options): Define
7856         split_stack_adjust_size parameter.
7857         * object.h (class Object): Add uses_split_stack_ and
7858         has_no_split_stack_ fields.  Add uses_split_stack and
7859         has_no_split_stack accessor functions.  Declare
7860         handle_split_stack_section.
7861         (class Reloc_symbol_changes): Define.
7862         (class Sized_relobj): Define Function_offsets.  Declare
7863         split_stack_adjust, split_stack_adjust_reltype, and
7864         find_functions.
7865         * object.cc (Object::handle_split_stack_section): New function.
7866         (Sized_relobj::do_layout): Call handle_split_stack_section.
7867         * dynobj.cc (Sized_dynobj::do_layout): Call
7868         handle_split_stack_section.
7869         * reloc.cc (Sized_relobj::relocate_sections): Call
7870         split_stack_adjust for executable sections in split_stack
7871         objects.  Pass reloc_map to relocate_section.
7872         (Sized_relobj::split_stack_adjust): New function.
7873         (Sized_relobj::split_stack_adjust_reltype): New function.
7874         (Sized_relobj::find_functions): New function.
7875         * target-reloc.h: Include "object.h".
7876         (relocate_section): Add reloc_symbol_changes parameter.  Change
7877         all callers.
7878         * target.h (class Target): Add calls_non_split method.  Declare
7879         do_calls_non_split virtual method.  Declare match_view and
7880         set_view_to_nop.
7881         * target.cc: Include "elfcpp.h".
7882         (Target::do_calls_non_split): New function.
7883         (Target::match_view): New function.
7884         (Target::set_view_to_nop): New function.
7885         * gold.cc (queue_middle_tasks): Give an error if mixing
7886         split-stack and non-split-stack objects with -r.
7887         * i386.cc (Target_i386::relocate_section): Add
7888         reloc_symbol_changes parameter.
7889         (Target_i386::do_calls_non_split): New function.
7890         * x86_64.cc (Target_x86_64::relocate_section): Add
7891         reloc_symbol_changes parameter.
7892         (Target_x86_64::do_calls_non_split): New function.
7893         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7894         parameter.
7895         * powerpc.cc (Target_powerpc::relocate_section): Add
7896         reloc_symbol_changes parameter.
7897         * sparc.cc (Target_sparc::relocate_section): Add
7898         reloc_symbol_changes parameter.
7899         * configure.ac: Call AM_CONDITIONAL for the default target.
7900         * configure: Rebuild.
7901         * testsuite/Makefile.am (TEST_AS): New variable.
7902         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7903         (check_DATA): Add split_i386 and split_x86_64 files.
7904         (SPLIT_DEFSYMS): Define.
7905         (split_i386_[1234n].o): New targets.
7906         (split_i386_[124]): New targets.
7907         (split_i386_[1234r].stdout): New targets.
7908         (split_x86_64_[1234n].o): New targets.
7909         (split_x86_64_[124]): New targets.
7910         (split_x86_64_[1234r].stdout): New targets.
7911         (MOSTLYCLEANFILES): Add new executables.
7912         * testsuite/split_i386.sh: New file.
7913         * testsuite/split_x86_64.sh: New file.
7914         * testsuite/split_i386_1.s: New file.
7915         * testsuite/split_i386_2.s: New file.
7916         * testsuite/split_i386_3.s: New file.
7917         * testsuite/split_i386_4.s: New file.
7918         * testsuite/split_i386_n.s: New file.
7919         * testsuite/split_x86_64_1.s: New file.
7920         * testsuite/split_x86_64_2.s: New file.
7921         * testsuite/split_x86_64_3.s: New file.
7922         * testsuite/split_x86_64_4.s: New file.
7923         * testsuite/split_x86_64_n.s: New file.
7924         * testsuite/testfile.cc (Target_test): Update relocation_section
7925         function.
7926         * testsuite/Makefile.in: Rebuild.
7927
7928 2009-10-06  Ian Lance Taylor  <iant@google.com>
7929
7930         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7931         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7932         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7933         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7934         the address on ldo_addrs_.
7935         (Target_i386::Relocate::fix_up_ldo): New function.
7936
7937 2009-10-06   Rafael Espindola  <espindola@google.com>
7938
7939         * plugin.cc (add_input_library): New.
7940         (Plugin::load): Add add_input_library to tv.
7941         (Plugin_manager::add_input_file): Add the is_lib argument.
7942         (add_input_file): Update call to Plugin_manager::add_input_file.
7943         (add_input_library): New.
7944         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7945
7946 2009-09-30  Doug Kwan  <dougkwan@google.com>
7947
7948         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7949         symbol and call Symbol::may_need_copy_reloc to determine if
7950         a copy reloc is needed.
7951         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7952         nocopyreloc is given in command line.
7953         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7954         given in command line.
7955         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7956         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7957         of the removed Target_i386::may_need_copy_reloc.
7958         * options.h (copyreloc): New option with default value false.
7959         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7960         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7961         instead of the removed Target_powerpc::may_need_copy_reloc.
7962         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7963         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7964         instead of the removed Target_sparc::may_need_copy_reloc.
7965         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7966         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7967         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7968         instead of the removed Target_x86_64::may_need_copy_reloc.
7969
7970 2009-09-30  Ian Lance Taylor  <iant@google.com>
7971
7972         * object.h (class Object): Remove target_ field, and target,
7973         sized_target, and set_target methods.
7974         (Object::sized_target): Remove.
7975         (class Sized_relobj): Update declarations.  Remove sized_target.
7976         * object.cc (Sized_relobj::setup): Remove target parameter.
7977         Change all callers.
7978         (Input_objects::add_object): Don't do anything with the target.
7979         (make_elf_sized_object): Add punconfigured parameter.  Change all
7980         callers.  Set or test parameter target.
7981         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7982         Change all callers.
7983         * parameters.cc (Parameters::set_target): Change parameter type to
7984         be non-const.
7985         (Parameters::default_target): Remove.
7986         (set_parameters_target): Change parameter type to be non-const.
7987         (parameters_force_valid_target): New function.
7988         (parameters_clear_target): New function.
7989         * parameters.h (class Parameters): Update declarations.  Remove
7990         default_target method.  Add sized_target and clear_target
7991         methods.  Change target_ to be non-const.
7992         (set_parameters_target): Update declaration.
7993         (parameters_force_valid_target): Declare.
7994         (parameters_clear_target): Declare.
7995         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7996         as NULL if we aren't searching.
7997         (Add_symbols::run): Don't check for compatible target.
7998         * fileread.cc (Input_file::open_binary): Call
7999         parameters_force_valid_target.
8000         * gold.cc (queue_middle_tasks): Likewise.
8001         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8002         set_target on object.
8003         * dynobj.h (class Sized_dynobj): Update declarations.
8004         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8005         make_elf_object returns NULL.
8006         (Archive::include_member): Don't check whether object target is
8007         compatible.
8008         * output.cc (Output_section::add_input_section): Get target from
8009         parameters.
8010         (Output_section::relax_input_section): Likewise.
8011         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8012         parameters.
8013         (Sized_relobj::do_scan_relocs): Likewise.
8014         (Sized_relobj::relocate_sections): Likewise.
8015         * resolve.cc (Symbol_table::resolve): Likewise.
8016         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8017         parameter.  Change all callers.
8018         (Symbol_table::add_from_object): Get target from parameters.
8019         (Symbol_table::add_from_relobj): Don't check object target.
8020         (Symbol_table::add_from_dynobj): Likewise.
8021         (Symbol_table::define_special_symbol): Get target from
8022         parameters.
8023         * symtab.h (class Symbol_table): Update declaration.
8024         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8025         parameter.  Change all callers.  Clear parameter target.
8026         (Binary_test): Test target here.
8027         * testsuite/object_unittest.cc (gold_testsuite): Remove
8028         target_test_pointer parameter.  Change all callers.
8029         (Object_test): Test target here.
8030
8031 2009-09-26  Ian Lance Taylor  <iant@google.com>
8032
8033         * testsuite/initpri1.c: Don't try to use constructor priorities if
8034         compiling with gcc before 4.3.
8035
8036 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8037
8038         * testsuite/retain_symbols_file_test.sh (check_present): Change
8039         output file name to retain_symbols_file_test.stdout.
8040         (check_absent): Likewise.
8041
8042 2009-09-18  Craig Silverstein  <csilvers@google.com>
8043
8044         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8045         * options.cc: Include <cerrno> and <fstream>.
8046         (General_options::finalize): Parse -retain-symbols-file tag.
8047         * options.h: New flag.
8048         (General_options): New method should_retain_symbol, new
8049         variable symbols_to_retain.
8050         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8051         should_retain_symbol map.
8052         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8053         * testsuite/Makefile.in: Regenerate.
8054         * testsuite/retain_symbols_file_test.sh: New file.
8055
8056 2009-09-18  Nick Clifton  <nickc@redhat.com>
8057
8058         * po/es.po: Updated Spanish translation.
8059
8060 2009-09-17  Doug Kwan  <dougkwan@google.com>
8061
8062         * debug.h (DEBUG_RELAXATION): New constant.
8063         (DEBUG_ALL): Add DEBUG_RELAXATION.
8064         (debug_string_to_enum): Add relaxation debug option.
8065         * layout.cc
8066         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8067         Layout::Relaxation_debug_check::read_sections,
8068         Layout::Relaxation_debug_check::read_sections): New method definitions.
8069         (Layout::Layout): Initialize data members
8070         record_output_section_data_from_scrips_,
8071         script_output_section_data_list_ and relaxation_debug_check_.
8072         (Layout::save_segments, Layout::restore_segments,
8073         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8074         Layout::relaxation_loop_body): New method definitions.
8075         (Layout::finalize): Support relaxation.  Move section layout code to
8076         Layout::relaxation_loop_body.
8077         (Layout::set_asection_address_from_script): Move code for orphan
8078         section placement out.
8079         (Layout::place_orphan_sections_in_script): New method definition.
8080         * layout.h (Output_segment_headers, Output_file_header):
8081         New forward class declarations.
8082         (Layout::~Layout): Define.
8083         (Layout::new_output_section_data_from_script): New method definition.
8084         (Layout::place_orphan_sections_in_script): New method declaration.
8085         (Layout::Segment_states): New type declaration.
8086         (Layout::save_segments, Layout::restore_segments,
8087         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8088         Layout::relaxation_loop_body): New method declarations.
8089         (Layout::Output_section_data_list): New type declaration.
8090         (Layout::Relaxation_debug_check): New class definition.
8091         (Layout::record_output_section_data_from_script_,
8092         Layout::script_output_section_data_list_, Layout::segment_states_,
8093         Layout::relaxation_debug_check_): New data members.
8094         * output.cc: (Output_section_headers::do_size): New method definition.
8095         (Output_section_headers::Output_section_headers): Move size
8096         computation to Output_section_headers::do_size.
8097         (Output_segment_headers::do_size): New method definition.
8098         (Output_file_header::Output_file_header): Move size computation to
8099         Output_file_header::do_size and call it.
8100         (Output_file_header::do_size): New method definition.
8101         (Output_data_group::Output_data_group): Adjust call to
8102         Output_section_data.
8103         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8104         (Output_symtab_xindex::do_write): Add array bound check.
8105         (Output_section::Input_section::print_to_mapfile): Handle
8106         RELAXED_INPUT_SECTION_CODE.
8107         (Output_section::Output_section): Initialize data member checkpoint_.
8108         (Output_section::~Output_section): Delete checkpoint object pointed
8109         by checkpoint_.
8110         (Output_section::add_input_section): Always add an Input_section if
8111         relaxing.
8112         (Output_section::add_merge_input_section): Add assert.
8113         (Output_section::relax_input_section): New method definition.
8114         (Output_section::set_final_data_size): Set load address to zero for
8115         an unallocated section.
8116         (Output_section::do_address_and_file_offset_have_reset_values):
8117         New method definition.
8118         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8119         Handle relaxed input section.
8120         (Output_section::sort_attached_input_sections): Checkpoint input
8121         section list lazily.
8122         (Output_section::get_input_sections): Change type of input_sections to
8123         list of Simple_input_section pointers.  Checkpoint input section list
8124         lazily.  Also handle relaxed input sections.
8125         (Output_section::add_input_section_for_script): Take a reference to
8126         a Simple_input_section object instead of Relobj pointer and section
8127         index as parameter.  Handle relaxed input sections.
8128         (Output_section::save_states, Output_section::restore_states): New
8129         method definitions.
8130         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8131         (Output_data::is_data_size_fixed): New method definition.
8132         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8133         if it is fixed.
8134         (Output_data::address_and_file_offset_have_reset_values): New method
8135         definition.
8136         (Output_data::do_address_and_file_offset_have_reset_values): New method
8137         definition.
8138         (Output_data::set_data_size): Check that data size is not fixed.
8139         (Output_data::fix_data_size): New method definition.
8140         (Output_data::is_data_size_fixed_): New data member.
8141         (Output_section_headers::set_final_data_size): New method definition.
8142         (Output_section_headers::do_size): New method declaration.
8143         (Output_segment_headers::set_final_data_size): New method definition.
8144         (Output_segment_headers::do_size): New method declaration.
8145         (Output_file_header::set_final_data_size)::New method definition.
8146         (Output_file_header::do_size)::New method declaration.
8147         (Output_section_data::Output_section_data): Add new parameter
8148         is_data_size_fixed and use it to fix data size.
8149         (Output_data_const::Output_data_const): Adjust call to base class
8150         constructor and fix data size.
8151         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8152         base class constructor and fix data size.
8153         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8154         base class constructor and fix data size.
8155         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8156         class constructor and fix data size.
8157         (Output_data_group::set_final_data_size): New method definition.
8158         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8159         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8160         class constructor and fix data size.
8161         (Output_relaxed_input_section): New class definition.
8162         (Output_section::Simple_input_section): New class definition.
8163         (Output_section::get_input_sections): Adjust parameter list.
8164         (Output_section::add_input_section_for_script): Same.
8165         (Output_section::save_states, Output_section::restore_states,
8166         Output_section::do_address_and_file_offset_have_reset_values,
8167         (Output_section::Input_section::Input_section): Handle
8168         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8169         Output_relaxed_input_section.
8170         (Output_section::Input_section::is_input_section,
8171         Output_section::Input_section::set_output_section): Handle relaxed
8172         input section.
8173         (Output_section::Input_section::is_relaxed_input_section,
8174         Output_section::Input_section::output_section_data,
8175         Output_section::Input_section::relaxed_input_section): New method
8176         definitions.
8177         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8178         value.
8179         (Output_section::Input_section::u1_): Update comments.
8180         (Output_section::Input_section::u2_): Add new union member poris.
8181         (Output_section::Checkpoint_output_section): New classs definition.
8182         (Output_section::relax_input_section): New method declaration.
8183         (Output_section::checkpoint_): New data member.
8184         (Output_segment): Update comments.
8185         (Output_segment::Output_segment): Un-privatize copy constructor.
8186         (Output_segment::operator=): Un-privatize.
8187         * script-sections.cc (Output_section_element::Input_section_list):
8188         Change element type to Output_section::Simple_input_section.
8189         (Output_section_element_dot_assignment::set_section_addresses):
8190         Register output section data for relaxation clean up.
8191         (Output_data_exression::Output_data_expression): Adjust call to base
8192         constructor to fix data size.
8193         (Output_section_element_data::set_section_addresses): Register
8194         Output_data_expression object for relaxation clean up.
8195         (struct Input_section_info): Replace Relobj pointer and section index
8196         pair with Output_section::Simple_input_section and Convert struct to a
8197         class.
8198         (Input_section_sorter::operator()): Adjust access to
8199         Input_section_info data member to use accessors.
8200         (Output_section_element_input::set_section_addresses): Use layout
8201         parameter.  Adjust code to use Output_section::Simple_input_section
8202         and Input_secction_info classes.  Register filler for relaxation
8203         clean up.
8204         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8205         and section index pair with Output_section::Simple_input_section
8206         class.  Adjust code accordingly.
8207         (Phdrs_element::release_segment): New method definition.
8208         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8209         segment list.
8210         (Script_sections::release_segments): New method definition.
8211         * gold/script-sections.h (Script_sections::release_segments): New
8212         method declaration.
8213         * gold/target.h (Target::may_relax, Target::relax,
8214         Target::do_may_relax, Target::do_relax): New method definitions.
8215
8216 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8217
8218         * arm.cc (has_signed_unsigned_overflow): New function.
8219         (Arm_relocate_functions::abs8): New function.
8220         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8221         (Target_arm::Scan::global): Likewise.
8222         (Target_arm::relocate::relocate): Likewise.
8223         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8224         Likewise.
8225
8226 2009-09-16  Cary Coutant  <ccoutant@google.com>
8227
8228         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8229         * testsuite/Makefile.in: Regenerate.
8230
8231 2009-09-11  Nick Clifton  <nickc@redhat.com>
8232
8233         * po/gold.pot: Updated by the Translation project.
8234
8235 2009-09-08  Cary Coutant  <ccoutant@google.com>
8236
8237         * output.cc (Output_file::open): Add execute permission to empty file.
8238         * testsuite/Makefile.am (permission_test): New test.
8239         * testsuite/Makefile.in: Regenerate.
8240
8241 2009-09-02  Ian Lance Taylor  <iant@google.com>
8242
8243         * output.cc (Output_file::resize): Call map_no_anonymous rather
8244         than map.
8245
8246 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8247
8248         * gold.cc: Include "incremental.h".
8249         (queue_initial_tasks): Call Incremental_checker methods.
8250         * incremental.cc: Include "output.h".
8251         (Incremental_checker::can_incrementally_link_output_file): New
8252         method.
8253         * incremental.h (Incremental_checker): New class.
8254
8255         * output.cc (Output_file::open_for_modification): New method.
8256         (Output_file::map_anonymous): Changed return type to bool.  Record
8257         map in base_ field.
8258         (Output_file::map_no_anonymous): New method, broken out of map.
8259         (Output_file::map): Use map_no_anonymous and map_anonymous.
8260         * output.h (class Output_file): Update declarations.
8261
8262 2009-08-24  Cary Coutant  <ccoutant@google.com>
8263
8264         * options.h (Command_line::Pre_options): New class.
8265         (Command_line::pre_options): New member.
8266         * options.cc (gold::options::ready_to_register): New variable.
8267         (One_option::register_option): Do nothing if not registering options.
8268         Assert if same short option registered twice.
8269         (General_options::General_options): Turn off option registration when
8270         done constructing.
8271         (Command_line::Pre_options::Pre_options): New constructor.
8272
8273 2009-08-24  Cary Coutant  <ccoutant@google.com>
8274
8275         * options.h (General_options::no_keep_memory): Remove incorrect
8276         short option.
8277
8278 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8279
8280         * Makefile.am (am__skiplex, am__skipyacc): New.
8281         * Makefile.in: Regenerate.
8282
8283 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8284
8285         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8286         (INCLUDES): ... this.
8287         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8288         (AM_CPPFLAGS): Renamed from ...
8289         (INCLUDE): ... this.
8290         * Makefile.in, testsuite/Makefile.in: Regenerate.
8291
8292         * Makefile.in: Regenerate.
8293         * aclocal.m4: Likewise.
8294         * config.in: Likewise.
8295         * configure: Likewise.
8296         * testsuite/Makefile.in: Likewise.
8297
8298         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8299         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8300         * Makefile.in: Regenerate.
8301         * testsuite/Makefile.in: Regenerate.
8302
8303 2009-08-19  Cary Coutant  <ccoutant@google.com>
8304
8305         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8306         symbols in shared libraries overridden by hidden or internal symbols
8307         in the main program.
8308
8309 2009-08-19  Chris Demetriou  <cgd@google.com>
8310
8311         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8312         checking source file names in error messages.
8313
8314 2009-08-18  Doug Kwan  <dougkwan@google.com>
8315
8316         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8317         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8318         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8319         an elfcpp::Ehdr as parameter.
8320         * object.cc (Object::set_target): Remove the version that looks up
8321         a target and sets it.
8322         (Sized_relobj::setup): Take a Target object instead of
8323         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8324         (make_elf_sized_object): Find target and ask target to
8325         make an ELF object.
8326         * object.h: (Object::set_target): Remove the version that looks up
8327         a target and sets it.
8328         (Sized_relobj::setup): Take a Target object instead of
8329         an elfcpp:Ehdr as parameter.
8330         * target.cc: Include dynobj.h.
8331         (Target::do_make_elf_object_implementation): New.
8332         (Target::do_make_elf_object): New.
8333         * target.h (Target::make_elf_object): New template declaration.
8334         (Target::do_make_elf_object): New method declarations.
8335         (Target::do_make_elf_object_implementation): New template declaration.
8336
8337 2009-08-14  Ian Lance Taylor  <iant@google.com>
8338
8339         * gold.h (FUNCTION_NAME): Define.
8340         (gold_unreachable): Use FUNCTION_NAME.
8341
8342 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8343
8344         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8345         symbol in the --keep-unique list is not found.
8346
8347 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8348
8349         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8350         been maked as --keep-unique.
8351         (Icf::unfold_section): New function.
8352         * icf.h (Icf::unfold_section): New function.
8353         * options.h (General_options::keep_unique): New option.
8354         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8355         * testsuite/Makefile.in: Regenerate.
8356         * testsuite/icf_keep_unique_test.sh: New file.
8357         * testsuite/icf_keep_unique_test.cc: New file.
8358
8359 2009-08-12  Cary Coutant  <ccoutant@google.com>
8360
8361         PR 10471
8362         * resolve.cc (Symbol_table::resolve): Check for references from
8363         dynamic objects to hidden and internal symbols.
8364         * testsuite/Makefile.am (hidden_test.sh): New test.
8365         * testsuite/Makefile.in: Regenerate.
8366         * testsuite/hidden_test.sh: New script.
8367         * testsuite/hidden_test_1.c: New test source.
8368         * testsuite/hidden_test_main.c: New test source.
8369
8370 2009-08-11  Doug Kwan  <dougkwan@google.com>
8371
8372         * arm.cc: Update comments.
8373         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8374         segment to locate the .ARM.exidx section if present.
8375
8376 2009-08-09  Doug Kwan  <dougkwan@google.com>
8377
8378         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8379         patch.
8380
8381 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8382         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8383         compiler warnings.
8384
8385 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8386
8387         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8388         valid tls_segment only for non-debug-section relocations.
8389         * testsuite/Makefile.am: Add gc_tls_test.
8390         * testsuite/Makefile.in: Regenerate.
8391         * testsuite/gc_tls_test.cc: New file.
8392         * testsuite/gc_tls_test.sh: New file.
8393
8394 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8395
8396         * icf.cc: New file.
8397         * icf.h: New file.
8398         * Makefile.am (CCFILES): Add icf.cc.
8399         (HFILES): Add icf.h
8400         * Makefile.in: Regenerate.
8401         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8402         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8403         section, symbol and addend information for the relocs.
8404         * gold.cc (queue_middle_tasks): Call identical code folding.
8405         * gold.h: Add defines for multimap.
8406         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8407         to the call of finalize_local_symbols.
8408         * main.cc (main): Create object of class Icf.
8409         * object.cc (Sized_relobj::do_layout): Allow this function to be
8410         called twice during icf.
8411         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8412         to sections marked as identical by icf.
8413         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8414         when available.
8415         (Sized_relobj::do_section_entsize): New function.
8416         * object.h (Object::section_entsize): New function.
8417         (Object::do_section_entsize): New pure virtual function.
8418         (Relobj::finalize_local_symbols): Add new parameter.
8419         (Relobj::do_section_entsize): New function.
8420         * options.h (General_options::icf): New option.
8421         (General_options::icf_iterations): New option.
8422         (General_options::print_icf_sections): New option.
8423         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8424         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8425         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8426         icf.
8427         * symtab.cc (Symbol_table::is_section_folded): New function.
8428         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8429         to sections marked as identical by icf.
8430         * symtab.h (Symbol_table::set_icf): New function.
8431         (Symbol_table::icf): New function.
8432         (Symbol_table::is_section_folded): New function.
8433         (Symbol_table::icf_): New data member.
8434         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8435         * testsuite/Makefile.am: Add commands to build icf_test.
8436         * testsuite/Makefile.in: Regenerate.
8437         * testsuite/icf_test.sh: New file.
8438         * testsuite/icf_test.cc: New file.
8439
8440 2009-07-24  Chris Demetriou  <cgd@google.com>
8441
8442         * layout.cc (is_compressible_debug_section): Fix incorrect
8443         comment about compressed section names.
8444
8445 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8446
8447         PR 10419
8448         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8449
8450 2009-07-16  Ian Lance Taylor  <iant@google.com>
8451
8452         PR 10400
8453         * layout.h: #include <map>.
8454         (class Kept_section): Change from struct to class.  Add accessors
8455         and setters.  Add section size to Comdat_group mapping.  Change
8456         Comdat_group to std::map.  Add is_comdat_ field.  Add
8457         linkonce_size field in union.
8458         (class Layout): Update declaration of find_or_add_kept_section.
8459         Don't declare find_kept_object.
8460         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8461         parameter.  Add object, shndx, is_comdat, and is_group_name
8462         parameters.  Change all callers.  Adjust for new Kept_section.
8463         (Layout::find_kept_object): Remove.
8464         * object.cc (Sized_relobj::include_section_group): Update use of
8465         Kept_section.  Rename secnum to shndx.  Only record
8466         Kept_comdat_section if sections are the same size.
8467         (Sized_relobj::include_linkonce_section): Update use of
8468         Kept_section.  Only record Kept_comdat_section if sections are the
8469         same size.  Set size of linkonce section.
8470         (Sized_relobj::map_to_kept_section): Update call to
8471         get_kept_comdat_section.
8472         * object.h (class Sized_relobj): Rename fields in
8473         Kept_comdat_section to drop trailing underscores; change object
8474         field to Relobj*.  Change Kept_comdat_section_table to store
8475         struct rather than pointer.
8476         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8477         Add kept_object and kept_shndx parameters.  Change all callers.
8478         (Sized_relobj::get_kept_comdat_section): Change return type to
8479         bool.  Add kept_object and kept_shndx parameters.  Change all
8480         callers.
8481         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8482         Layout::find_or_add_kept_section.
8483
8484 2009-07-09  Ian Lance Taylor  <iant@google.com>
8485
8486         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8487         Reserve space in the hash table.
8488
8489 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8490
8491         * fileread.cc (File_read::get_mtime): New method.
8492         * fileread.h (Timespec): New structure.
8493         (File_read::get_mtime): New method.
8494         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8495         Renamed from timestamp_nsec.
8496         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8497         Elf_Xword.
8498         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8499         timestamp_nsec.
8500         (Incremental_inputs::report_archive): Save mtime; style fix.
8501         (Incremental_inputs::report_obejct): Save mtime; style fix.
8502         (Incremental_inputs::report_script): Save mtime; style fix.
8503         (Incremental_inputs::finalize_inputs): Style fix.
8504         (Incremental_inputs::finalize): Style fix.
8505         (Incremental_inputs::create_input_section_data): Store inputs
8506         mtime.
8507         * incremental.h (Incremental_inputs::report_script): Add mtime
8508         argument.
8509         (Incremental_inputs::Input_info::Input_info): Intialize only one
8510         union member.
8511         (Incremental_inputs::Input_info::archive): Move to nameless
8512         union.
8513         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8514         (Incremental_inputs::Input_info::script): Move to nameless union.
8515         (Incremental_inputs::mtime): New field.
8516         * script.cc (read_input_script): Pass file mtime to
8517         Incremental_input.
8518         * script.h (Script_info::inputs): Style fix.
8519
8520 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8521
8522         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8523         instead of 32.
8524
8525 2009-06-24  Ian Lance Taylor  <iant@google.com>
8526
8527         PR 10156
8528         * layout.cc (Layout::choose_output_section): If we find an
8529         existing section, update the flags.
8530         (Layout::create_notes): New function, broken out of
8531         Layout::finalize.
8532         (Layout::finalize): Don't create note sections.
8533         (Layout::create_note): Don't crash if linker script discards
8534         section.
8535         (Layout::create_gold_note): Likewise.
8536         (Layout::create_build_id): Likewise.  Don't set
8537         after_input_sections on the section.
8538         (Layout::create_executable_stack_info): Remove target parameter.
8539         Change caller.
8540         * layout.h (class Layout): Declare create_notes.  Update
8541         declaration of create_executable_stack_info.
8542         * gold.cc (queue_middle_tasks): Call create_notes.
8543         * output.cc (Output_section::update_flags_for_input_section): Move
8544         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8545         invalid.
8546         * output.h (Output_data::mark_address_invalid): New function.
8547         (class Output_section): Only declare, not define,
8548         update_flags_for_input_section.  Remove set_flags.
8549
8550 2009-06-24  Ian Lance Taylor  <iant@google.com>
8551
8552         * script-sections.cc (Output_section_definition::
8553         set_section_addresses): Rename shadowing local load_address to
8554         laddr.
8555
8556 2009-06-24  Ian Lance Taylor  <iant@google.com>
8557
8558         PR 10244
8559         * reloc.cc (relocate_sections): Skip empty relocation sections.
8560
8561 2009-06-23  Ian Lance Taylor  <iant@google.com>
8562
8563         PR 10156
8564         * layout.cc (Layout::create_note): Use choose_output_section
8565         rather than make_output_section.
8566
8567 2009-06-23  Ian Lance Taylor  <iant@google.com>
8568
8569         PR 10237
8570         * options.cc (General_options::parse_V): Set printed_version_.
8571         (General_options::General_options): Initialize printed_version_.
8572         * options.h (class General_options): Add printed_version_ field.
8573         * gold.cc (queue_initial_tasks): If there are no input files,
8574         don't give a fatal error if we printed the version information.
8575         (queue_middle_tasks): If using -r with a shared object, give a
8576         fatal error rather than an ordinary error.
8577
8578 2009-06-23  Ian Lance Taylor  <iant@google.com>
8579
8580         PR 10219
8581         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8582         (Layout::make_output_section): Set have_stabstr_section_ if we see
8583         a .stab*str section.
8584         (Layout::finalize): Call link_stabs_sections.
8585         (Layout::link_stabs_sections): New file.
8586         * layout.h (class Layout): Add have_stabstr_section_ field.
8587         Declare link_stabs_sections.
8588
8589 2009-06-23  Doug Kwan  <dougkwan@google.com>
8590
8591         * Makefile.am (libgold_a_LIBADD): New.
8592         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8593         * Makefile.in: Regenerate.
8594         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8595         * configure: Regenerate.
8596         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8597         * fileread.cc: Include sys/state.h
8598         * gold.h: Declare memmem and strndup if found missing.
8599         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8600
8601 2009-06-23  Ian Lance Taylor  <iant@google.com>
8602
8603         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8604         * configure: Rebuild.
8605
8606 2009-06-23  Ian Lance Taylor  <iant@google.com>
8607
8608         PR 10147
8609         * object.cc (Object::section_contents): Don't try to get a view if
8610         the section has length zero.
8611         (Object::handle_gnu_warning_section): If the section is empty, use
8612         the name of the section as the warning.
8613
8614 2009-06-23  Ian Lance Taylor  <iant@google.com>
8615
8616         PR 10133
8617         * stringpool.h (class Stringpool_template): Add optimize_ field.
8618         (Stringpool_template::set_optimize): New function.
8619         * stringpool.cc (Stringpool_template::Stringpool_template):
8620         Initialize optimize_ field.
8621         (Stringpool_template::set_string_offsets): Test local optimize
8622         fild rather than parameter.
8623         * layout.cc (Layout::Layout): Call set_optimize on the section
8624         name stringpool.
8625
8626 2009-06-22  Ian Lance Taylor  <iant@google.com>
8627
8628         PR 10030
8629         * yyscript.y: Parse TARGET.
8630         * script.cc (script_set_target): New function.
8631         * script-c.h (script_set_target): Declare.
8632         * options.cc (General_options::string_to_object_format): Rename
8633         from string_to_object_format in anonymous namespace.  Change
8634         callers.
8635         * options.h (class General_options): Declare
8636         string_to_object_format.
8637
8638 2009-06-22  Ian Lance Taylor  <iant@google.com>
8639
8640         * script-sections.cc (Script_sections::create_segments): Don't put
8641         program headers in a PT_LOAD segment if -n or -N.
8642
8643 2009-06-22  Ian Lance Taylor  <iant@google.com>
8644
8645         PR 10141
8646         * options.h (class General_options): Add -z lazy and -z now.  Sort
8647         -z options into alphabetical order.
8648         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8649
8650 2009-06-21  Ian Lance Taylor  <iant@google.com>
8651
8652         * layout.cc (Layout::make_output_section): Call
8653         Target::new_output_section.
8654         (Layout::attach_allocated_section_to_segment): Put large section
8655         sections in a separate load segment with the large segment flag
8656         set.
8657         (Layout::segment_precedes): Sort large data segments after other
8658         load segments.
8659         (align_file_offset): New static function.
8660         (Layout::set_segment_offsets): Use align_file_offset.
8661         * output.h (class Output_section): Add is_small_section_ and
8662         is_large_section_ fields.
8663         (Output_section::is_small_section): New function.
8664         (Output_section::set_is_small_section):  New function.
8665         (Output_section::is_large_section): New function.
8666         (Output_section::set_is_large_section): New function.
8667         (Output_section::is_large_data_section): New function.
8668         (class Output_segment): Add is_large_data_segment_ field.
8669         (Output_segment::is_large_data_segment): New function.
8670         (Output_segment::set_is_large_data_segment): New function.
8671         * output.cc (Output_section::Output_section): Initialize new
8672         fields.
8673         (Output_segment::Output_segment): Likewise.
8674         (Output_segment::add_output_section): Add assertion that large
8675         data sections always go in large data segments.  Force small data
8676         sections to the end of the list of data sections.  Force small BSS
8677         sections to the start of the list of BSS sections.  For large BSS
8678         sections to the end of the list of BSS sections.
8679         * symtab.h (class Symbol): Declare is_common_shndx.
8680         (Symbol::is_defined): Check Symbol::is_common_shndx.
8681         (Symbol::is_common): Likewise.
8682         (class Symbol_table): Define enum Commons_section_type.  Update
8683         declarations.  Add small_commons_ and large_commons_ fields.
8684         * symtab.cc (Symbol::is_common_shndx): New function.
8685         (Symbol_table::Symbol_table): Initialize new fields.
8686         (Symbol_table::add_from_object): Put small and large common
8687         symbols in the right list.
8688         (Symbol_table::sized_finalized_symbol): Check
8689         Symbol::is_common_shndx.
8690         (Symbol_table::sized_write_globals): Likewise.
8691         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8692         common symbol lists.  Don't call do_allocate_commons_list if the
8693         list is empty.
8694         (Symbol_table::do_allocate_commons_list): Remove is_tls
8695         parameter.  Add comons_section_type parameter.  Change all
8696         callers.  Handle small and large common symbols.
8697         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8698         Symbol::is_common_shndx.
8699         * resolve.cc (symbol_to_bits): Likewise.
8700         * target.h (Target::small_common_shndx): New function.
8701         (Target::small_common_section_flags): New function.
8702         (Target::large_common_shndx): New function.
8703         (Target::large_common_section_flags): New function.
8704         (Target::new_output_section): New function.
8705         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8706         small_common_section_flags, and large_common_section_flags
8707         fields.
8708         (Target::do_new_output_section): New virtual function.
8709         * arm.cc (Target_arm::arm_info): Initialize new fields.
8710         * i386.cc (Target_i386::i386_info): Likewise.
8711         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8712         Likewise.
8713         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8714         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8715         (Target_x86_64::do_new_output_section): New function.
8716         * configure.ac: Define conditional MCMODEL_MEDIUM.
8717         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8718         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8719         (large_LDFLAGS): Define.
8720         * testsuite/large.c: New file.
8721         * testsuite/testfile.cc (Target_test::test_target_info):
8722         Initialize new fields.
8723         * configure, testsuite/Makefile.in: Rebuild.
8724
8725 2009-06-05  Doug Kwan  <dougkwan@google.com>
8726
8727         * Makefile.am (CCFILES): Add target.cc.
8728         * Makefile.in: Regenerate.
8729         * i386.cc (class Target_i386): Define new virtual method to
8730         override do_is_local_label_name in parent.
8731         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8732         local symbols if --discard-locals or -X is given.
8733         * options.h (class General_options): Declare new options
8734         '--discard-locals' and '-X' for discarding locals.
8735         * target.h (class Target): Define new methods is_local_label_name.
8736         Declare new virtual method do_is_local_label_name.
8737         * target.cc: New file.
8738         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8739         (check_SCRIPTS): Add discard_locals_test.sh.
8740         (check_DATA): Add discard_local_tests.syms.
8741         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8742         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8743         * testsuite/Makefile.in: Regenerate.
8744         * testsuite/discard_locals_test.c: New file.
8745         * testsuite/discard_locals_test.sh: Same.
8746
8747 2009-06-05  Doug Kwan  <dougkwan@google.com>
8748
8749         * object.cc (Sized_relobj::Sized_relobj): Initialize
8750         discarded_eh_frame_shndx_ to -1U.
8751         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8752         section.
8753         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8754         a discarded .eh_frame section.
8755         (Sized_relobj::do_finalize_local_symbols): Ditto.
8756         * object.h (class Sized_relobj): Declare new member
8757         discarded_eh_frame_shndx_.
8758         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8759         (local_labels_test.o, local_labels_test): New rules.
8760         * testsuite/Makefile.in: Regenerate.
8761
8762 2009-06-04  Doug Kwan  <dougkwan@google.com>
8763
8764         * layout.cc (Layout::section_name_mapping): Add mapping for
8765         special ARM sections.
8766
8767 2009-06-03  Doug Kwan  <dougkwan@google.com>
8768
8769         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8770         (utils::has_overflow): Same.
8771
8772 2009-06-03  Ian Lance Taylor  <iant@google.com>
8773
8774         * layout.cc (Layout::section_name_mapping): New array, replacing
8775         Layout::linkonce_mapping.
8776         (Layout::section_name_mapping_count): New variable, replacing
8777         Layout::linkonce_mapping_count.
8778         (Layout::linkonce_output_name): Remove.
8779         (Layout::output_section_name): Rewrite.
8780         * layout.h (class Layout): Rename Linkonce_mapping to
8781         Section_name_mapping, linkonce_mapping to section_name_mapping,
8782         linkonce_mapping_count to section_name_mapping_count.  Don't
8783         declare linkonce_output_name.
8784
8785 2009-06-03  Doug Kwan  <dougkwan@google.com>
8786
8787         * gold/arm.cc (namespace utils): New.
8788         (Target_arm::reloc_is_non_pic): Define new method.
8789         (class Arm_relocate_functions): New.
8790         (Target_arm::Relocate::relocate): Handle relocation types used by
8791         Android.
8792
8793 2009-06-03  Ian Lance Taylor  <iant@google.com>
8794
8795         * arm.cc (Target_arm::scan::global): Use || instead of |.
8796
8797 2009-06-02  Doug Kwan  <dougkwan@google.com>
8798
8799         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8800         issued_non_pic_error_.
8801         (class Target_arm::Scan): Declare new method check_non_pic.
8802         Define new method symbol_needs_plt_entry.
8803         Declare new data member issued_non_pic_error_.
8804         (class Target_arm::Relocate): Declare new method
8805         should_apply_static_reloc.
8806         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8807         (Target_arm::Scan::check_non_pic): Define new method.
8808         (Target_arm::Scan::local): Handle a small subset of reloc types used
8809         by Android.
8810         (Target_arm::Scan::local): Same.
8811         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8812
8813 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8814
8815         * incremental.cc (Incremental_inputs::report_command_line): Filter
8816         out --incremental-* options.
8817
8818 2009-05-29  Doug Kwan  <dougkwan@google.com>
8819
8820         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8821         template class.
8822         (class Target_arm): Update comment.
8823         (Target_arm::Target_arm): Initialize new data members GOT_,
8824         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8825         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8826         and Target_arm::rel_dyn_section.
8827         Declare new_enum Target_arm::Got_type.
8828         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8829         and DYNBSS_.
8830         Update commments for member do_dynsym_value.
8831         (Target_arm::got_size, Target_arm::plt_section,
8832         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8833         new methods inside class defintion.
8834         (Target_arm::got_section): Define new method.
8835         (Target_arm::rel_dyn_section): Same.
8836         (Output_data_plt_arm): New template class.
8837         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8838         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8839         (Output_data_plt_arm::add_entry): Same.
8840         (Output_data_plt_arm::first_plt_entry): Define new
8841         static data member for PLT instruction template.
8842         (Output_data_plt_arm::plt_entry): Same.
8843         (Output_data_plt_arm::do_write): Define new method.
8844         (Target_arm::make_plt_entry): Same.
8845         (Target_arm::do_finalize_sections): Same.
8846         (Target_arm::do_dynsym_value): Same.
8847
8848 2009-05-28  Doug Kwan  <dougkwan@google.com>
8849
8850         * Makefile.am (TARGETSOURCES): Add arm.cc.
8851         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8852         * Makefile.in: Regenerate.
8853         * arm.cc: New file.
8854         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8855
8856 2009-05-26  Doug Kwan  <dougkwan@google.com>
8857
8858         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8859         (General_options::check_excluded_libs): Strip off directories in
8860         archive name before matching like GNU ld does.
8861         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8862         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8863         (exclude_libs_test_LDFLAGS): Add linker option
8864         -Wl,--exclude-libs,libexclude_libs_test_3
8865         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8866         an explicit archive without using -l.
8867         (alt/libexclude_libs_test_3.a): New make rule.
8868         * testsuite/Makefile.in: Regenerate.
8869         * testsuite/exclude_libs_test.c : Declare lib3_default().
8870         (main): Call it.
8871         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8872         * exclude_libs_test_3.c: New file.
8873
8874 2009-05-26  Nick Clifton  <nickc@redhat.com>
8875
8876         * po/id.po: New Indonesian translation.
8877         * po/gold.pot: Updated template file.
8878
8879 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8880
8881         * testsuite/Makefile.am: Add -ffunction-sections to compile
8882         gc_comdat_test files.  Add -Wl,--gc-sections to build
8883         gc_comdat_test.
8884         * testsuite/Makefile.in: Regenerate.
8885         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8886
8887 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8888
8889         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8890         kept comdat section was garbage collected.
8891         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8892         * testsuite/Makefile.in: Regenerate.
8893         * testsuite/gc_comdat_test.sh: New file.
8894         * testsuite/gc_comdat_test_1.cc: New file.
8895         * testsuite/gc_comdat_test_2.cc: New file.
8896
8897 2009-05-19  Doug Kwan  <dougkwan@google.com>
8898
8899         * archive.cc (Archive::Archive): Move constructor from archive.h
8900         to here.  Initialize no_export_.
8901         (Archive::get_elf_object_for_member): Set no_export flag of object.
8902         * archive.h (Archive::Archive): Move constructor body to
8903         archive.cc.
8904         (Archive::no_export): New method.
8905         (Archive::no_export_): New field.
8906         * object.h (Object::Object): Initialize no_export_ to false.
8907         (Object::no_export, Object::set_no_export): New methods.
8908         (Object::no_export_): New field.
8909         * options.cc (General_options::parse_exclude_libs): New method.
8910         (General_options::check_excluded_libs) Same.
8911         * options.h (exclude_libs): New option.
8912         (General_options::check_excluded_libs): New method declaration.
8913         (General_options::excluded_libs_): New field.
8914         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8915         default or protected visibility if an object has no-export flag set.
8916         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8917         (check_SCRIPTS): Add exclude_libs_test.sh.
8918         (check_DATA): Add exclude_libs_test.syms.
8919         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8920         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8921         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8922         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8923         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8924         libexclude_libs_test_2.a): New rules.
8925         * testsuite/Makefile.in: Regenerate.
8926         * testsuite/exclude_libs_test.c: New file.
8927         * testsuite/exclude_libs_test.sh: Ditto.
8928         * testsuite/exclude_libs_test_1.c: Ditto.
8929         * testsuite/exclude_libs_test_2.c: Ditto.
8930
8931 2009-05-15  Ian Lance Taylor  <iant@google.com>
8932
8933         * configure.ac: Check for declarations for cases where libiberty.h
8934         checks HAVE_DECL_xxx.
8935         * configure, config.in: Rebuild.
8936
8937 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8938
8939         * gold.h (Incremental_argument_list): Remove (invalid) forward
8940         declaration.
8941         * incremental.cc (Incremental_inputs::report_achive): New method.
8942         (Incremental_inputs::report_object): New method.
8943         (Incremental_inputs::report_script): New method.
8944         (Incremental_inputs::finalize_inputs): New method.
8945         (Incremental_inputs::finalize): Call finalize_inputs().
8946         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8947         Create inputs entries.
8948         * incremental.h (Incremental_input_type): New enum.
8949         (Incremental_inputs::Incremental_input): Initialize new fields.
8950         (Incremental_inputs::report_inputs): New method.
8951         (Incremental_inputs::report_achive): New method.
8952         (Incremental_inputs::report_object): New method.
8953         (Incremental_inputs::report_script): New method.
8954         (Incremental_inputs::finalize_inputs): New method.
8955         (Incremental_inputs::Input_info): New struct.
8956         (Incremental_inputs::Input_info_map): New typedef.
8957         (Incremental_inputs::lock_): New field.
8958         (Incremental_inputs::Inputs_): New field.
8959         (Incremental_inputs::Inputs_map): New field.
8960         * main.cc (main): Call Incremental_input::report_inputs.
8961         * options.h (Input_argument_list): Typedef moved from
8962         Input_arguments.
8963         (Input_file_group::Files): Remove, use ::Input_argument_list.
8964         (Input_file_group::Input_argument_list): Remove, use
8965         ::Input_argument_list.
8966         * plugin.cc (Plugin_manager::add_input_file): Add error in
8967         incremental build.
8968         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8969         functions.
8970         * script.cc (read_input_script): Call
8971         Incremental_input::report_script.
8972         * script.h (Script_info): New class.
8973
8974 2009-04-27  Ian Lance Taylor  <iant@google.com>
8975
8976         * x86_64.cc (do_adjust_output_section): Set entsize to
8977         plt_entry_size.
8978
8979 2009-04-23  Elliott Hughes  <enh@google.com>
8980
8981         * output.cc (Output_file::close): After short writes, continue
8982         writing from the correct offset in the buffer being written.
8983
8984 2009-04-23  Chris Demetriou  <cgd@google.com>
8985
8986         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8987         * configure: Regenerate.
8988         * config.in: Regenerate.
8989         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8990         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8991
8992 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8993
8994         * incremental.cc (Incremental_inputs_header_data): Renamed from
8995         Incremental_input_header_data.
8996         (Incremental_inputs_header_data::data_size): New field.
8997         (Incremental_inputs_header_data::put_input_file_count): Renamed
8998         from input_file_count.
8999         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9000         from command_line_offset.
9001         (Incremental_inputs_header_data::put_reserved): Renamed from
9002         put_reserved.
9003         (Incremental_inputs_entry_data): Renamed from
9004         Incremental_input_entry_data.
9005         (Incremental_inputs_entry_data::data_size): New field.
9006         (Incremental_inputs::report_command_line): New method.
9007         (Incremental_inputs::finalize): New method.
9008         (Incremental_inputs::create_incremental_inputs_data): New method.
9009         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9010         * incremental.h: New file.
9011         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9012        (Layout::finalize): Create incremental inputs section in
9013         incremental builds.
9014        (Layout::create_incremental_info_sections): New method.
9015         * layout.h (Layout::incremental_inputs): New method.
9016        (Layout::create_incremental_info_sections): New method.
9017        (Layout::incremental_inputs_): New field.
9018         * main.cc (main): Notify Incremental_input of the command line.
9019
9020 2009-04-01  Ian Lance Taylor  <iant@google.com>
9021             Mikolaj Zalewski  <mikolajz@google.com>
9022
9023         * gold.h (reserve_unordered_map): Define, three versions, one for
9024         each version of Unordered_map.
9025         * layout.cc (Layout::Layout): Remove options parameter.  Add
9026         number_of_input_files parameter.  Don't initialize options_.
9027         Initialize number_of_input_files_ and resized_signatures_.  Move
9028         sections_are_attached_.
9029         (Layout::layout_group): Reserve space for group_signatures_.
9030         (Layout::find_or_add_kept_section): Change name parameter to be a
9031         reference.  Resize signatures_ map when it gets large enough.
9032         (Layout::layout_eh_frame): Use parameters->options() instead of
9033         this->options_.
9034         (Layout::make_output_section): Likewise.
9035         (Layout::attach_allocated_section_to_segment): Likewise.
9036         (Layout::finalize, Layout::create_executable_stack): Likewise.
9037         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9038         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9039         * layout.h (class Layout): Update declarations.  Remove options_
9040         field.  Add number_of_input_files_ and resized_signatures_
9041         fields.  Move sections_are_attached_ field.
9042         * main.cc (main): Pass number of input files to Layout
9043         constructor.  Don't pass options.
9044
9045 2009-03-30  Ian Lance Taylor  <iant@google.com>
9046
9047         * ffsll.c (ffsll): Correct implementation.
9048
9049 2009-03-27  Ian Lance Taylor  <iant@google.com>
9050
9051         * ffsll.c: New file.
9052         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9053         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9054         * ftruncate.c (ftruncate): Declare before definition.
9055         * mremap.c (mremap): Likewise.
9056         * pread.c (pread): Likewise.
9057         * configure, Makefile.in, config.in: Rebuild.
9058
9059         * mremap.c: New file.
9060         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9061         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9062         (mremap): Declare if HAVE_MREMAP is not defined.
9063         * configure, Makefile.in, config.in: Rebuild.
9064
9065 2009-03-27  Cary Coutant  <ccoutant@google.com>
9066
9067         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9068         position independent.
9069         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9070         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9071
9072 2009-03-24  Cary Coutant  <ccoutant@google.com>
9073
9074         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9075         an executable.
9076         (needs_dynamic_reloc): Likewise.
9077
9078 2009-03-24  Ian Lance Taylor  <iant@google.com>
9079
9080         * yyscript.y (file_cmd): Recognize EXTERN.
9081         (extern_name_list, extern_name_list_body): New nonterminals.
9082         * script.cc (script_add_extern): Define.
9083         * script-c.h (script_add_extern): Declare.
9084
9085 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9086
9087         * object.cc (is_elf_object): Define.
9088         * object.h (is_elf_object): Declare.
9089         * archive.cc (Archive::get_elf_object_for_member): Call
9090         is_elf_object.
9091         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9092
9093 2009-03-24  Elliott Hughes  <enh@google.com>
9094
9095         * output.cc (Output_file::map_anonymous): Define.
9096         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9097         try an anonymous one.  Report the size if the mmap fails.
9098         * output.h (class Output_file): Declare map_anonymous.
9099
9100 2009-03-24  Ian Lance Taylor  <iant@google.com>
9101
9102         * target-select.cc (instantiate_target): Don't acquire the lock if
9103         the instantiated_target_ field has already been set.
9104
9105 2009-03-23  Ian Lance Taylor  <iant@google.com>
9106
9107         * gold-threads.h (class Initialize_lock): Define.
9108         * gold-threads.cc (class Initialize_lock_once): Define.
9109         (initialize_lock_control): New static variable.
9110         (initialize_lock_pointer): New static variable.
9111         (initialize_lock_once): New static function.
9112         (Initialize_lock::Initialize_lock): Define.
9113         (Initialize_lock::initialize): Define.
9114         * target-select.h: Include "gold-threads.h".
9115         (class Target_selector): Add lock_ and initialize_lock_ fields.
9116         Don't define instantiate_target, just declare it.
9117         * target-select.cc (Target_selector::Target_selector): Initialize
9118         new fields.
9119         (Target_selector::instantiate_target): Define.
9120         * descriptors.h: Include "gold-threads.h".
9121         (class Descriptors): Add initialize_lock_ field.
9122         * descriptors.cc (Descriptors::Descriptors): Initialize new
9123         field.
9124         (Descriptors::open): Use initialize_lock_ field
9125         * errors.h (class Errors): Add initialize_lock_ field.
9126         * errors.cc (Errors::Errors): Initialize new field.
9127         (Errors::initialize_lock): Use initialize_lock_ field.
9128         * powerpc.cc (class Target_selector_powerpc): Remove
9129         instantiated_target_ field.  In do_recognize call
9130         instantiate_target rather than do_instantiate_target.  In
9131         do_instantiate_target just allocate a new target.
9132         * sparc.cc (class Target_selector_sparc): Likewise.
9133
9134         * freebsd.h: New file.
9135         * i386.cc: Include "freebsd.h".
9136         (Target_i386): Derive from Target_freebsd rather than
9137         Sized_target.
9138         (Target_selector_i386): Derive from Target_selector_freebsd rather
9139         than Target_selector.
9140         * x86_64.cc: Include "freebsd.h".
9141         (Target_x86_64): Derive from Target_freebsd rather than
9142         Sized_target.
9143         (Target_selector_x86_64): Derive from Target_selector_freebsd
9144         rather than Target_selector.
9145         * target.h (class Target): Add adjust_elf_header and
9146         do_adjust_elf_header.
9147         * output.cc (Output_file_header:: do_sized_write): Call target
9148         adjust_elf_header routine.
9149         * configure.tgt: Set targ_osabi.
9150         * configure.ac: Define GOLD_DEFAULT_OSABI.
9151         * parameters.cc (Parameters::default_target): Pass
9152         GOLD_DEFAULT_OSABI to select_target.
9153         * target-select.h (class Target_selector): Make instantiate_target
9154         protected rather than private.
9155         * Makefile.am (HFILES): Add freebsd.h.
9156         * configure, Makefile.in, config.in: Rebuild.
9157
9158         * merge.cc (do_add_input_section): Correct pend value.  Change
9159         message about last entry not being null terminated from error to
9160         warning.
9161
9162 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9163
9164         * incremental.cc: New file.
9165         * Makefile.am (CCFILES): Add incremental.cc.
9166         * Makefile.in: Rebuild.
9167
9168 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9169
9170         * layout.cc (Layout::output_section_name): Preserve names
9171         of '.note.' sections.
9172
9173 2009-03-19  Ian Lance Taylor  <iant@google.com>
9174
9175         * descriptors.cc (Descriptors::open): Check that the options are
9176         valid before using them.
9177
9178 2009-03-18  Ian Lance Taylor  <iant@google.com>
9179
9180         * script-sections.h: Include <list>.
9181         (class Script_sections): Change Sections_elements from std::vector
9182         to std::list.  Typedef public Elements_iterator.  Add
9183         orphan_section_placement_, data_segment_align_start_, and
9184         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9185         field.
9186         * script-sections.cc (class Orphan_section_placement): New class.
9187         (class Sections_element): Add virtual functions is_relro and
9188         orphan_section_init.  Remove virtual function place_orphan_here.
9189         (class Output_section_definition): Add is_relro and
9190         orphan_section_init.  Remove place_orphan_here.
9191         (class Orphan_output_section): Likewise.
9192         (Script_sections::Script_sections): Update for field changes.
9193         (Script_sections::data_segment_align): Set saw_data_segment_align_
9194         and data_segment_align_start_, not data_segment_align_index.
9195         (Script_sections::data_segment_relro_end): Check
9196         saw_data_segment_align_.  Use data_segment_align_start_ rather
9197         than data_segment_align_index_.
9198         (Script_sections::place_orphan): Rewrite to use
9199         Orphan_section_placement.
9200
9201 2009-03-17  Ian Lance Taylor  <iant@google.com>
9202
9203         * archive.cc (Archive::add_symbols): Check for a version attached
9204         to the symbol name in the archive map.
9205         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9206         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9207         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9208         (ver_test_11.a): New target.
9209         * testsuite/Makefile.in: Rebuild.
9210
9211         * configure.ac: Check for chsize and posix_fallocate.  Replace
9212         ftruncate.
9213         * ftruncate.c: New file, from gnulib.
9214         * output.cc (posix_fallocate): Define dummy version if not
9215         HAVE_POSIX_FALLOCATE.
9216         (Output_file::map): Call posix_fallocate rather than lseek and
9217         write.
9218         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9219         * configure, Makefile.in, config.in: Rebuild.
9220
9221 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9222
9223         * layout.h (Layout::create_note): Add section_name parameter.
9224         * layout.cc (Layout::create_note): Likewise.
9225         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9226
9227 2009-03-17  Ian Lance Taylor  <iant@google.com>
9228
9229         * descriptors.cc: Include "options.h".
9230         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9231         (Descriptors::open): Always use O_CLOEXEC when opening a new
9232         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9233         then set FD_CLOEXEC.
9234
9235         * sparc.cc (class Target_sparc): Add has_got_section.
9236         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9237         make sure we have a GOT section.
9238
9239         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9240         (Target_sparc::Scan::local): Likewise.
9241         (Target_sparc::Scan::global): Likewise.
9242         (Target_sparc::Relocate::relocate): Likewise.
9243         (Target_sparc::Relocate::relocate_tls): Likewise.
9244
9245         * symtab.cc (Symbol_table::define_default_version): New function,
9246         broken out of add_from_object.
9247         (Symbol_table::add_from_object): Call define_default_version.
9248         (Symbol_table::define_special_symbol): Add resolve_oldsym
9249         parameter.  Change all callers.  If the version for a symbol comes
9250         from a version script, resolve it with the symbol with the same
9251         name with no version.  Also add the symbol without a version if
9252         appropriate.
9253         (do_define_in_output_data): If resolving with oldsym, don't delete
9254         sym.
9255         (do_define_in_output_segment): Likewise.
9256         (do_define_as_constant): Likewise.
9257         * symtab.h (class Symbol_table): Update declarations.
9258
9259 2009-03-13  Ian Lance Taylor  <iant@google.com>
9260
9261         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9262         (Read_symbols::requeue): New function.
9263         (Read_symbols::do_read_symbols): If make_elf_object fails because
9264         the target type is not configured, and the file was searched for,
9265         issue a warning and retry with the next directory.
9266         (Add_symbols::run): If the file has an incompatible format, and
9267         it was searched for, requeue the Read_symbols task.  On error,
9268         release the object.
9269         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9270         dirindex parameter to constructor.  Change all callers.  Declare
9271         incompatible_warning and requeue.
9272         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9273         input_argument_ and input_group_ fields.  Add them to
9274         constructor.  Change all callers.
9275         (class Read_script): Add dirindex_ field.  Add it to constructor.
9276         Change all callers.
9277         * archive.cc (Archive::setup): Remove input_objects parameter.
9278         Change all callers.
9279         (Archive::get_file_and_offset): Likewise.
9280         (Archive::read_all_symbols): Likewise.
9281         (Archive::read_symbols): Likewise.
9282         (Archive::get_elf_object_for_member): Remove input_objects
9283         parameter.  Add punconfigured parameter.  Change all callers.
9284         (Archive::add_symbols): Change return type to bool.  Check return
9285         value of include_member.
9286         (Archive::include_all_members): Likewise.
9287         (Archive::include_member): Change return type to bool.  Return
9288         false if first included object has incompatible target.  Set
9289         included_member_ field.
9290         (Add_archive_symbols::run): If add_symbols returns false, requeue
9291         Read_symbols task.
9292         * archive.h (class Archive): Add included_member_ field.
9293         Initialize it in constructor.  Add input_file and searched_for
9294         methods.  Update declarations.
9295         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9296         input_argument_ fields.  Add them to constructor.  Change all
9297         callers.
9298         * script.cc: Include "target-select.h".
9299         (class Parser_closure): Add skip_on_incompatible_target_ and
9300         found_incompatible_target_ fields.  Add
9301         skip_on_incompatible_target parameter to constructor.  Change all
9302         callers.  Add methods skip_on_incompatible_target,
9303         clear_skip_on_incompatible_target, found_incompatible_target, and
9304         set_found_incompatible_target.
9305         (read_input_script): Add dirindex parameter.  Change all callers.
9306         If parser finds an incompatible target, requeue Read_symbols
9307         task.
9308         (script_set_symbol): Clear skip_on_incompatible_target in
9309         closure.
9310         (script_add_assertion, script_parse_option): Likewise.
9311         (script_start_sections, script_add_phdr): Likewise.
9312         (script_check_output_format): New function.
9313         * script.h (read_input_script): Update declaration.
9314         * script-c.h (script_check_output_format): Declare.
9315         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9316         (ignore_cmd): Remove OUTPUT_FORMAT.
9317         * fileread.cc (Input_file::Input_file): Add explicit this.
9318         (Input_file::will_search_for): New function.
9319         (Input_file::open): Add pindex parameter.  Change all callers.
9320         * fileread.h (class Input_file): Add input_file_argument method.
9321         Declare will_search_for.  Update declarations.
9322         * object.cc (make_elf_object): Add punconfigured parameter.
9323         Change all callers.
9324         * object.h (class Object): Make input_file public.  Add
9325         searched_for method.
9326         (make_elf_object): Update declaration.
9327         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9328         restart search.
9329         * dirsearch.h (class Dirsearch): Update declaration.
9330         * options.h (class General_options): Add --warn-search-mismatch.
9331         * parameters.cc (Parameters::is_compatible_target): New function.
9332         * parameters.h (class Parameters): Declare is_compatible_target.
9333         * workqueue.cc (Workqueue::add_blocker): New function.
9334         * workqueue.h (class Workqueue): Declare add_blocker.
9335
9336         * fileread.cc (Input_file::open): Remove options parameter.
9337         Change all callers.
9338         (Input_file::open_binary): Likewise.
9339         * script.cc (read_input_script): Likewise.
9340         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9341         options parameter from constructor.  Change all callers.
9342         (class Read_script): Likewise.
9343         * fileread.h (class Input_file): Update declarations.
9344         * script.h (read_input_script): Update declaration.
9345
9346 2009-03-10  Nick Clifton  <nickc@redhat.com>
9347
9348         * po/es.po: New Spanish translation.
9349
9350 2009-03-06  Cary Coutant  <ccoutant@google.com>
9351
9352         * options.cc (parse_short_option): Keep dash_z from registering itself.
9353
9354 2009-03-03  Ian Lance Taylor  <iant@google.com>
9355
9356         PR 9918
9357         * target-reloc.h (relocate_section): Pass output_section to
9358         relocate.
9359         * i386.cc (Target_i386::should_apply_static_reloc): Add
9360         output_section parameter.  Change all callers.
9361         (Target_i386::Relocate::relocate): Add output_section parameter.
9362         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9363         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9364         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9365         * testsuite/two_file_shared.sh: New script.
9366         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9367         (check_DATA): Add two_file_shared.dbg.
9368         (two_file_shared.dbg): New target.
9369         * testsuite/Makefile.in: Rebuild.
9370
9371 2009-03-01  Ian Lance Taylor  <iant@google.com>
9372
9373         * configure.ac: Check for byteswap.h.
9374         * configure: Rebuild.
9375         * config.in: Rebuild.
9376
9377 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9378
9379         * layout.cc (Layout::find_or_add_kept_section): New function.
9380         (Layout::add_comdat): Removed.
9381         * layout.h (struct Kept_section): Move out of class Layout.
9382         Remove trailing underscores from field names.  Add group_sections
9383         field.  Rename group_ field to is_group.  Change all uses.
9384         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9385         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9386         comdat_groups_ field.
9387         (Sized_relobj::include_section_group): Use
9388         find_or_add_kept_section and Kept_section::group_sections.
9389         (Sized_relobj::include_linkonce_section): Likewise.
9390         * object.cc (class Sized_relobj): Don't define Comdat_group or
9391         Comdat_group_table.  Remove find_comdat_group and
9392         add_comdat_group.  Remove comdat_groups_ field.
9393         * plugin.cc (include_comdat_group): Use
9394         Layout::find_or_add_kept_section.
9395
9396 2009-02-28  Ian Lance Taylor  <iant@google.com>
9397
9398         * README: --gc-sections and map files are now supported.  Document
9399         some build requirements.
9400
9401         PR 6992
9402         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9403         relocatable link set the value of the section symbol to zero.
9404         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9405         relocatable link don't include the section address in the local
9406         symbol value.
9407
9408 2009-02-27  Ian Lance Taylor  <iant@google.com>
9409
9410         PR 6811
9411         * options.h (class Search_directory): Add is_system_directory.
9412         (class General_options): Declare is_in_system_directory.
9413         * options.cc (get_relative_sysroot): Make static.
9414         (get_default_sysroot): Make static.
9415         (General_optoins::is_in_system_directory): New function.
9416         * fileread.cc (Input_file::is_in_system_directory): New function.
9417         * fileread.h (class Input_file): Declare is_in_system_directory.
9418         * object.h (class Object): Add is_in_system_directory.
9419         (class Input_objects): Remove system_library_directory_ field.
9420         * object.cc (Input_objects::add_object): Don't set
9421         system_library_directory_.
9422         (input_objects::found_in_system_library_directory): Remove.
9423         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9424         parameter.  Change all callers.
9425         (Symbol_table::sized_write_globals): Likewise.
9426         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9427         Call Object::is_in_system_directory.
9428         * symtab.h (class Symbol_table): Update declarations.
9429
9430         PR 5990
9431         * descriptors.h (Open_descriptor): Add is_on_stack field.
9432         * descriptors.cc (Descriptors::open): If the descriptor is on the
9433         top of the stack, remove it.  Initialize is_on_stack field.
9434         (Descriptors::release): Only add pod to stack if it is not on the
9435         stack already.
9436         (Descriptors::close_some_descriptor): Clear stack_next and
9437         is_on_stack fields.
9438
9439         PR 7091
9440         * output.cc (Output_section::find_starting_output_address): Rename
9441         from starting_output_address; add PADDR parameter; change return
9442         type.
9443         * output.h (class Output_section): Declare
9444         find_starting_output_address instead of starting_output_address.
9445         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9446         section symbol for which we can't find a merge section.
9447
9448         PR 9836
9449         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9450         hidden or internal, force the symbol to be local.
9451         * resolve.cc (Symbol::override_visibility): Define.
9452         (Symbol::override_base): Use override_visibility.
9453         (Symbol_table::resolve): Likewise.
9454         (Symbol::override_base_with_special): Likewise.
9455         (Symbol_table::override_with_special): If the visibility is hidden
9456         or internal, force the symbol to be local.
9457         * symtab.h (class Symbol): Add set_visibility and
9458         override_visibility.
9459         * testsuite/ver_test_1.sh: New file.
9460         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9461         (check_DATA): Add ver_test_1.syms.
9462         (ver_test_1.syms): New target.
9463         * testsuite/Makefile.in: Rebuild.
9464
9465 2009-02-25  Cary Coutant  <ccoutant@google.com>
9466
9467         * layout.cc (Layout::choose_output_section): Don't rename sections
9468         when using a linker script that has a SECTIONS clause.
9469         * Makefile.in: Regenerate.
9470
9471         * testsuite/Makefile.am (script_test_5.sh): New test case.
9472         * testsuite/Makefile.in: Regenerate.
9473         * testsuite/script_test_5.cc: New file.
9474         * testsuite/script_test_5.sh: New file.
9475         * testsuite/script_test_5.t: New file.
9476
9477 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9478
9479         * archive.cc (Archive::include_member): Update calls to add_symbols.
9480         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9481         the Layout argument.
9482         * dynobj.h (do_add_symbols): Add the Layout argument.
9483         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9484         Layout argument.
9485         * object.h (Object::add_symbols): Add the Layout argument.
9486         (Object::do_add_symbols): Add the Layout argument.
9487         (Sized_relobj::do_add_symbols): Add the Layout argument.
9488         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9489         Unify the two versions.
9490         (Add_plugin_symbols): Remove.
9491         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9492         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9493         (Add_plugin_symbols): Remove.
9494         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9495         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9496         (Add_symbols::run): Make it work with Pulginobj.
9497
9498 2009-02-06  Ian Lance Taylor  <iant@google.com>
9499
9500         * object.cc (Sized_relobj::do_layout): Make info message start
9501         with lower case letter.
9502
9503 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9504
9505         * binary.cc: Fix file comment.
9506
9507         * options.h (enum Incremental_disposition): Define.
9508         (class General_options): Add new options: --incremental,
9509         --incremental_changed, --incremental_unchanged,
9510         --incremental_unknown.  Add incremental_disposition_ and
9511         implicit_incremental_ fields.
9512         (General_options::incremental_disposition): New function.
9513         (class Position_dependent_options): Add incremental_disposition
9514         option.
9515         (Position_dependent_options::copy_from_options): Set incremental
9516         dispositions.
9517         * options.cc (General_options::parse_incremental_changed): New
9518         function.
9519         (General_options::parse_incremental_unchanged): New function.
9520         (General_options::parse_incremental_unknown): New function.
9521         (General_options::General_options): Initialize new fields
9522         incremental_disposition_ and implicit_incremental_.
9523         (General_options::finalize): Check for uasge of --incremental-*
9524         without --incremental.
9525
9526 2009-02-06  Chris Demetriou  <cgd@google.com>
9527
9528         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9529         pointer and to report location as the file name associated with
9530         the symbol.
9531         (gold_undefined_symbol_at_location): New function to replace the
9532         old gold_undefined_symbol functionality.
9533         * target-reloc.h (relocate_section): Update to use
9534         gold_undefined_symbol_at_location.
9535         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9536         Call gold_undefined_symbol function rather than gold_error.
9537         * errors.h (Errors::undefined_symbol): Take location as a
9538         string, rather than calculating it from a relocation.
9539         * errors.cc (Errors::fatal): Print "fatal error:" before the
9540         formatted message.
9541         (Errors::error, Errors::error_at_location): Print "error: "
9542         before the formatted message.
9543         (Errors::undefined_symbol): Take location as a string, rather
9544         than calculating it from a relocation.
9545         (gold_undefined_symbol_at_location): New function akin to
9546         old gold_undefined_symbol, calculates location from relocation.
9547         (gold_undefined_symbol): Change to take only a Symbol pointer
9548         and to report location as the file name associated with the symbol.
9549         * testsuite/debug_msg.sh: Update for changed error messages.
9550         * testsuite/undef_symbol.sh: Likewise.
9551
9552 2009-02-04  Duncan Sands  <baldrick@free.fr>
9553
9554         PR 9812
9555         * reduced_debug_output.h
9556         (Output_reduced_debug_abbrev_section::failed): Use format for
9557         gold_warning.
9558         (Output_reduced_debug_info_section::faild): Likewise.
9559
9560 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9561
9562         * script.cc (Lazy_demangler): New class.
9563         (Version_script_info::get_symbol_version_helper): Demangle a
9564         symbol only once.
9565
9566 2009-01-29  Cary Coutant  <ccoutant@google.com>
9567
9568         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9569         to __tls_get_addr.
9570         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9571
9572 2009-01-28  Ian Lance Taylor  <iant@google.com>
9573
9574         * version.cc (version_string): Bump to 1.9.
9575
9576         * gold.h: Include <cstring> and <stdint.h>.
9577         * version.cc: Include <cstdio>.
9578         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9579         warning.
9580         * reduced_debug_output.cc (insert_into_vector): Rename from
9581         Insert_into_vector; change all callers.  Use Swap_unaligned to
9582         avoid aliasing issue; remove union since it is unnecessary.
9583
9584 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9585
9586         * Makefile.am (CCFILES): Add gc.cc.
9587         (HFILES): Add gc.h.
9588         * Makefile.in: Regenerate.
9589         * gold.cc (Gc_runner): New class.
9590         (queue_initial_tasks): Call garbage collection related tasks
9591         when corresponding options are invoked.
9592         (queue_middle_gc_tasks): New function.
9593         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9594         processed early before laying out sections during garbage collection.
9595         * gold.h (queue_middle_gc_tasks): New function.
9596         (is_prefix_of): Move from "layout.cc".
9597         * i386.cc (Target_i386::gc_process_relocs): New function.
9598         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9599         * main.cc (main): Create object of class "Garbage_collection".
9600         * object.cc (Relobj::copy_symbols_data): New function.
9601         (Relobj::is_section_name_included): New function.
9602         (Sized_relobj::do_layout): Allow this function to be called twice
9603         during garbage collection and defer layout of section during the
9604         first call.
9605         * object.h (Relobj::get_symbols_data): New function.
9606         (Relobj::is_section_name_included): New function.
9607         (Relobj::copy_symbols_data): New function.
9608         (Relobj::set_symbols_data): New function.
9609         (Relobj::get_relocs_data): New function.
9610         (Relobj::set_relocs_data): New function.
9611         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9612         (Relobj::gc_process_relocs): New function.
9613         (Relobj::do_gc_process_relocs): New pure virtual function.
9614         (Relobj::sd_): New data member.
9615         (Sized_relobj::is_output_section_offset_invalid): New function.
9616         (Sized_relobj::do_gc_process_relocs): New function.
9617         * options.h (General_options::gc_sections): Modify to not be a no-op.
9618         (General_options::print_gc_sections): New option.
9619         * plugin.cc (Plugin_finish::run): Remove function call to
9620         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9621         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9622         * reloc.cc (Read_relocs::run): Add task to process relocs and
9623         determine unreferenced sections when doing garbage collection.
9624         (Gc_process_relocs): New class.
9625         (Sized_relobj::do_gc_process_relocs): New function.
9626         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9627         sections that are garbage collected.
9628         * reloc.h (Gc_process_relocs): New class.
9629         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9630         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9631         symbols whose corresponding sections are garbage collected.
9632         (Symbol_table::Symbol_table): Add new parameter for the garbage
9633         collection object.
9634         (Symbol_table::gc_mark_undef_symbols): New function.
9635         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9636         (Symbol_table::gc_mark_dyn_syms): New function.
9637         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9638         as garbage.
9639         (Symbol_table::add_from_object): Likewise.
9640         (Symbol_table::add_from_relobj): When building shared objects, do not
9641         treat externally visible symbols as garbage.
9642         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9643         table information for static and relocatable links.
9644         * symtab.h (Symbol_table::set_gc): New function.
9645         (Symbol_table::gc): New function.
9646         (Symbol_table::gc_mark_undef_symbols): New function.
9647         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9648         (Symbol_table::gc_mark_dyn_syms): New function.
9649         (Symbol_table::gc_): New data member.
9650         * target.h (Sized_target::gc_process_relocs): New pure virtual
9651         function.
9652         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9653         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9654
9655 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9656
9657         * options.h (General_options::gc_sections): Define as a no-op for now.
9658         (General_options::no_keep_memory): Ditto.
9659         (General_options::Bshareable): Define.
9660         * options.cc (General_options::finalize): Honor -Bshareable.
9661
9662 2009-01-20  Andreas Schwab  <schwab@suse.de>
9663
9664         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9665         read the value in the contents, since we don't use it.  Use the
9666         template endianness when writing.
9667         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9668
9669 2009-01-19  Andreas Schwab  <schwab@suse.de>
9670
9671         * configure.tgt (powerpc64-*): Fix targ_obj.
9672
9673 2009-01-15  Ian Lance Taylor  <iant@google.com>
9674
9675         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9676         local symbols when stripping all symbols.
9677
9678 2009-01-14  Cary Coutant  <ccoutant@google.com>
9679
9680         * output.cc (Output_reloc): Add explicit instantiations.
9681
9682 2009-01-14  Cary Coutant  <ccoutant@google.com>
9683
9684         * archive.cc (Archive::get_elf_object_for_member): Remove call
9685         to File_read::claim_for_plugin.
9686         * descriptors.cc (Descriptors::open): Remove reference to
9687         is_claimed.
9688         (Descriptors::claim_for_plugin): Remove.
9689         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9690         (Descriptors::is_claimed): Remove.
9691         (claim_descriptor_for_plugin): Remove.
9692         * fileread.cc (File_read::claim_for_plugin): Remove.
9693         * fileread.h (File_read::claim_for_plugin): Remove.
9694         (File_read::descriptor): Reopen descriptor if necessary.
9695         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9696         (Plugin_manager::all_symbols_read): Add task parameter. Change
9697         all callers.
9698         (Plugin_manager::get_input_file): New function.
9699         (Plugin_manager::release_input_file): New function.
9700         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9701         corresponding data member.
9702         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9703         and pass to base constructor. Change all callers.
9704         (get_input_file, release_input_file): New functions.
9705         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9706         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9707         (Plugin_manager::all_symbols_read): Add task parameter.
9708         (Plugin_manager::get_input_file): New function.
9709         (Plugin_manager::release_input_file): New function.
9710         (Plugin_manager::task_): New data member.
9711         (Pluginobj::Pluginobj): Add filesize parameter.
9712         (Pluginobj::filename): New function.
9713         (Pluginobj::descriptor): New function.
9714         (Pluginobj::filesize): New function.
9715         (Pluginobj::filesize_): New data member.
9716         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9717         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9718         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9719
9720         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9721         with archive libraries.
9722         * testsuite/Makefile.in: Regenerate.
9723         * testsuite/plugin_test.c (struct sym_info): New type.
9724         (get_input_file, release_input_file): New static variables.
9725         (onload): Capture new transfer vector entries.
9726         (claim_file_hook): Stop reading at end of file according to filesize.
9727         Factor out parsing of readelf output into separate function.
9728         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9729         APIs and get the source file name from the symbol table.  Convert
9730         source file name to corresponding object file name.  Print info
9731         message when adding new input files.
9732         (parse_readelf_line): New function.
9733         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9734         * testsuite/plugin_test_2.sh: Likewise.
9735         * testsuite/plugin_test_3.sh: Likewise.
9736         * testsuite/plugin_test_4.sh: New test case.
9737
9738 2009-01-07  Ian Lance Taylor  <iant@google.com>
9739
9740         * version.cc (version_string): Bump to 1.8.
9741
9742 2008-12-23  Cary Coutant  <ccoutant@google.com>
9743
9744         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9745         * plugin.cc (Plugin_manager::finish): Rename as
9746         layout_deferred_objects.  Move cleanup to separate function.
9747         (Plugin_manager::cleanup): New function.
9748         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9749         separately.
9750         * plugin.h (Plugin_manager::finish): Rename as
9751         layout_deferred_objects.
9752         (Plugin_manager::cleanup): New function.
9753         (Plugin_manager::cleanup_done): New field.
9754
9755 2008-12-23  Cary Coutant  <ccoutant@google.com>
9756
9757         * plugin.cc (is_visible_from_outside): New function.
9758         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9759         so we don't return "IR only" status for exported symbols or -r links.
9760
9761         * testsuite/Makefile.am (plugin_test_3): New test case.
9762         * testsuite/Makefile.in: Regenerate.
9763         * testsuite/plugin_test_3.sh: New file.
9764
9765 2008-12-22  Cary Coutant  <ccoutant@google.com>
9766
9767         * object.cc (Sized_relobj::layout_section): New function.
9768         (Sized_relobj::do_layout): Defer layout of input sections until after
9769         plugin has provided replacement files.
9770         (Sized_relobj::do_layout_deferred_sections): New function.
9771         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9772         (Relobj::layout_deferred_sections): New function.
9773         (Relobj::do_layout_deferred_sections): New function.
9774         (Sized_relobj::do_layout_deferred_sections): New function.
9775         (Sized_relobj::layout_section): New function.
9776         (Sized_relobj::Deferred_layout): New structure.
9777         (Sized_relobj::deferred_layout_): New field.
9778         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9779         Change all callers.  Layout deferred sections.
9780         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9781         references.
9782         (Plugin_hook::run): Move code from do_plugin_hook inline.
9783         (Plugin_hook::do_plugin_hook): Remove.
9784         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9785         (Plugin_manager::finish): Renamed, was cleanup.
9786         (Plugin_manager::should_defer_layout): New function.
9787         (Plugin_manager::add_deferred_layout_object): New function.
9788         (Plugin_manager::Deferred_layout_list): New type.
9789         (Plugin_manager::deferred_layout_objects_): New field.
9790         (Plugin_hook::do_plugin_hook): Remove.
9791
9792 2008-12-17  Ian Lance Taylor  <iant@google.com>
9793
9794         * options.h (class General_options): Add --no case for
9795         --export-dynamic.
9796
9797 2008-12-16  Cary Coutant  <ccoutant@google.com>
9798
9799         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9800         vector.
9801         (Plugin_manager::claim_file): Create plugin object even if
9802         plugin did not call the add_symbols callback.
9803         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9804         asking for more symbols than were added.
9805         * testsuite/Makefile.am (plugin_test_1): Add test case with
9806         no global symbols.
9807         (empty.syms): New target.
9808         * testsuite/Makefile.in: Regenerate.
9809         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9810         message. Don't call add_symbols if no globals.
9811         (all_symbols_read_hook): Don't provide replacement for empty
9812         claimed file.
9813
9814 2008-12-12  Ian Lance Taylor  <iant@google.com>
9815
9816         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9817         r_type == 0 for a local symbol with r_sym == 0.
9818         (scan_relocatable_relocs): Pass r_sym to
9819         local_non_section_strategy.
9820         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9821         r_sym parameter.
9822
9823         * configure.ac: Update test for TLS descriptors: they are
9824         supported as of glibc 2.9.
9825         * configure: Rebuild.
9826
9827 2008-12-11  Ian Lance Taylor  <iant@google.com>
9828
9829         PR 7091
9830         * target-reloc.h (Default_scan_relocatable_relocs): For each
9831         function, map r_type == 0 to RELOC_DISCARD.
9832
9833 2008-12-10  Cary Coutant  <ccoutant@google.com>
9834
9835         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9836         object to override a kept COMDAT group from a plugin object.
9837
9838 2008-12-09  Ian Lance Taylor  <iant@google.com>
9839
9840         PR 7088
9841         * yyscript.y (file_cmd): Handle INPUT.
9842
9843         * testsuite/initpri1.c: Change all declarations to be full
9844         prototypes by adding void, to avoid compiler warnings.
9845
9846 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9847
9848         * options.cc (General_options::parse_plugin_opt): New.
9849         (General_options::add_plugin): The argument now is just the filename.
9850         (General_options::add_plugin_option): New.
9851         * options.h (plugin_opt): New.
9852         (add_plugin): Change argument name.
9853         (add_plugin_option): New.
9854         * plugin.cc (Plugin::load): Don't parse the plugin option.
9855         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9856         (Plugin::add_option): New.
9857         (Plugin::args_): Change type.
9858         (Plugin::filename_): New.
9859         (Plugin_manager::add_plugin_option): New.
9860         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9861         * testsuite/Makefile.in: Regenerate.
9862
9863 2008-12-05  Cary Coutant  <ccoutant@google.com>
9864
9865         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9866         Handle --strip-lto-sections option.
9867         * options.h (strip_lto_sections): New option.
9868
9869 2008-12-01  Cary Coutant  <ccoutant@google.com>
9870
9871         * plugin.cc (ld_plugin_message): Change format parameter to const.
9872         Fix mismatch between new[] and delete.
9873
9874 2008-11-14  Cary Coutant  <ccoutant@google.com>
9875
9876         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9877         instead of -1U.
9878
9879 2008-11-05  Craig Silverstein  <csilvers@google.com>
9880
9881         * options.cc (General_options::parse_dynamic_list): New function.
9882         * options.h (General_options): New flags dynamic_list,
9883         dynamic_list_data, dynamic_list_cpp_new, and
9884         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9885         (General_options::in_dynamic_list): New function.
9886         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9887         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9888         (Lex::can_continue_name): Likewise.
9889         (yylex): Likewise.
9890         (read_script_file): New parameter script_options.
9891         (read_dynamic_list): New function.
9892         (Script_options::define_dynamic_list): New function.
9893         (dynamic_list_keyword_parsecodes): New variable.
9894         (dynamic_list_keywords): New variable.
9895         * script.h (Script_options::define_dynamic_list): New function
9896         prototype.
9897         (read_dynamic_list): New function prototype.
9898         * symtab.cc (strprefix): New macro.
9899         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9900         dynamic_list_data, dynamic_list_cpp_new, and
9901         dynamic_list_cpp_typeinfo.
9902         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9903         (dynamic_list_expr): New rule.
9904         (dynamic_list_nodes): Likewise.
9905         (dynamic_list_node): Likewise.
9906         * testsuite/Makefile.am (dynamic_list): New test.
9907         * testsuite/Makefile.in: Regenerated.
9908         * testsuite/dynamic_list.t: New file.
9909         * testsuite/dynamic_list.sh: New file.
9910
9911 2008-11-05  Craig Silverstein  <csilvers@google.com>
9912
9913         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9914         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9915         (t11_last): Likewise.
9916         * testsuite/ver_test_6.c (main): Likewise.
9917
9918 2008-10-07  Cary Coutant  <ccoutant@google.com>
9919
9920         * options.c (General_options::finalize): Add check for -static and
9921         -shared.
9922         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9923         is not empty.
9924
9925 2008-10-02  Cary Coutant  <ccoutant@google.com>
9926
9927         * plugin.cc (make_sized_plugin_object): Fix conditional
9928         compilation to work when not all targets are enabled.
9929
9930 2008-09-29  Cary Coutant  <ccoutant@google.com>
9931
9932         * archive.cc (Archive::get_file_and_offset): Use filename instead
9933         of name to get library path.
9934         (Archive::include_member): Unlock external member of a thin archive.
9935
9936         * testsuite/Makefile.am (TEST_AR): New variable.
9937         (thin_archive_test_1): New test.
9938         (thin_archive_test_2): New test.
9939         * testsuite/Makefile.in: Regenerate.
9940         * testsuite/thin_archive_main.cc: New file.
9941         * testsuite/thin_archive_test_1.cc: New file.
9942         * testsuite/thin_archive_test_2.cc: New file.
9943         * testsuite/thin_archive_test_3.cc: New file.
9944         * testsuite/thin_archive_test_4.cc: New file.
9945
9946 2008-09-29  Cary Coutant  <ccoutant@google.com>
9947
9948         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9949         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9950         instead of -1U.
9951         (Sized_relobj::do_finalize_local_symbols): Likewise.
9952         (Sized_relobj::map_to_kept_section): Likewise.
9953         * object.h (Sized_relobj::invalid_address): New constant.
9954         (Sized_relobj::do_output_section_offset): Check for invalid_address
9955         and return -1ULL.
9956         * output.cc (Output_reloc::local_section_offset): Use constant
9957         invalid_address instead of -1U.
9958         (Output_reloc::get_address): Likewise.
9959         (Output_section::output_address): Change -1U to -1ULL.
9960         * output.h (Output_reloc::invalid_address): New constant.
9961         * reloc.cc (Sized_relobj::write_sections): Use constant
9962         invalid_address instead of -1U.
9963         (Sized_relobj::relocate_sections): Likewise.
9964         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9965         values for merge sections.
9966         * target-reloc.h (relocate_for_relocatable): Use constant
9967         invalid_address instead of -1U.
9968
9969 2008-09-19  Cary Coutant  <ccoutant@google.com>
9970
9971         Add plugin functionality for link-time optimization (LTO).
9972         * configure.ac (plugins): Add --enable-plugins option.
9973         * configure: Regenerate.
9974         * config.in: Regenerate.
9975         * Makefile.am (LIBDL): New variable.
9976         (CCFILES): Add plugin.cc.
9977         (HFILES): Add plugin.h.
9978         (ldadd_var): Add LIBDL.
9979         * Makefile.in: Regenerate.
9980
9981         * archive.cc: Include "plugin.h".
9982         (Archive::setup): Don't preread archive symbols when using a plugin.
9983         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9984         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9985         files.
9986         (Archive::include_member): Add symbols from plugin objects.
9987         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9988         * descriptors.cc (Descriptors::open): Check for file descriptors
9989         abandoned by plugins.
9990         (Descriptors::claim_for_plugin): New function.
9991         * descriptors.h (Descriptors::claim_for_plugin): New function.
9992         (Open_descriptor::is_claimed): New field.
9993         (claim_descriptor_for_plugin): New function.
9994         * fileread.cc (File_read::claim_for_plugin): New function.
9995         * fileread.h (File_read::claim_for_plugin): New function.
9996         (File_read::descriptor): New function.
9997         * gold.cc: Include "plugin.h".
9998         (queue_initial_tasks): Add task to call plugin hooks for generating
9999         new object files.
10000         * main.cc: Include "plugin.h".
10001         (main): Load plugin libraries.
10002         * object.h (Pluginobj): Declare.
10003         (Object::pluginobj): New function.
10004         (Object::do_pluginobj): New function.
10005         (Object::set_target): New function.
10006         * options.cc: Include "plugin.h".
10007         (General_options::parse_plugin): New function.
10008         (General_options::General_options): Initialize plugins_ field.
10009         (General_options::add_plugin): New function.
10010         * options.h (Plugin_manager): Declare.
10011         (General_options): Add --plugin option.
10012         (General_options::has_plugins): New function.
10013         (General_options::plugins): New function.
10014         (General_options::add_plugin): New function.
10015         (General_options::plugins_): New field.
10016         * plugin.cc: New file.
10017         * plugin.h: New file.
10018         * readsyms.cc: Include "plugin.h".
10019         (Read_symbols::do_read_symbols): Check for archive before checking
10020         for ELF file.  Call plugin hooks to claim files.
10021         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10022         from a real object file; force override when processing replacement
10023         files.
10024         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10025         (Symbol::init_base_object): Likewise.
10026         (Symbol::init_base_output_data): Likewise.
10027         (Symbol::init_base_output_segment): Likewise.
10028         (Symbol::init_base_constant): Likewise.
10029         (Symbol::init_base_undefined): Likewise.
10030         (Symbol::output_section): Assert that object is not a plugin.
10031         (Symbol_table::add_from_pluginobj): New function.
10032         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10033         undefined.
10034         (Symbol_table::sized_write_globals): Likewise.
10035         (Symbol_table::add_from_pluginobj): Instantiate template.
10036         * symtab.h (Sized_pluginobj): Declare.
10037         (Symbol::in_real_elf): New function.
10038         (Symbol::set_in_real_elf): New function.
10039         (Symbol::in_real_elf_): New field.
10040         (Symbol_table::add_from_pluginobj): New function.
10041
10042         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10043         (LIBDL): New variable.
10044         (LDADD): Add LIBDL.
10045         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10046         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10047         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10048         (MOSTLYCLEANFILES): Likewise.
10049         * testsuite/Makefile.in: Regenerate.
10050         * testsuite/plugin_test.c: New file.
10051         * testsuite/plugin_test_1.sh: New file.
10052         * testsuite/plugin_test_2.sh: New file.
10053
10054 2008-09-16  Ian Lance Taylor  <iant@google.com>
10055
10056         * target-reloc.h (relocate_section): Check whether a symbol is
10057         defined by the ABI before reporting an undefined symbol error.
10058         * target.h (Target::is_defined_by_abi): Make parameter const.
10059         (Target::do_is_defined_by_abi): Likewise.
10060         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10061         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10062         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10063         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10064         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10065         * testsuite/Makefile.in: Rebuild.
10066
10067         * fileread.cc (make_view): Add casts to avoid warning.
10068
10069 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10070
10071         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10072         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10073
10074 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10075
10076         * options.h (General_options::output_is_executable): New.
10077         (General_options::output_is_pie): New.
10078         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10079         for shared libraries.
10080         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10081
10082 2008-09-11  Chris Demetriou  <cgd@google.com>
10083
10084         * options.h (origin): New -z option.
10085         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10086         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10087         in DT_FLAGS_1.
10088
10089 2008-09-05  Cary Coutant  <ccoutant@google.com>
10090
10091         * fileread.cc (File_read::make_view): Add check for attempt to map
10092         beyond end of file.
10093
10094 2008-09-05  Cary Coutant  <ccoutant@google.com>
10095
10096         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10097         explicit instantiations.
10098
10099 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10100
10101         PR gold/6858
10102         * options.cc (General_options::finalize): Allow undefined symbols
10103         in shlibs if linking -shared.
10104
10105         PR gold/6859
10106         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10107         symbols as not needing a dynsym entry.
10108
10109 2008-08-20  Craig Silverstein  <csilvers@google.com>
10110
10111         * fileread.cc (File_read::open): Do not lock the file unless it
10112         was successfully opened.
10113
10114 2008-08-14  Cary Coutant  <ccoutant@google.com>
10115
10116         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10117         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10118         * testsuite/tls_test.cc (struct int128): 128-bit struct
10119         for testing TLS relocs with non-zero addend.
10120         (v12): New TLS variable.
10121         (t12): New test.
10122         (t_last): Add check for v12.
10123         * testsuite/tls_test.h (t12): New function.
10124         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10125
10126 2008-08-13  Ian Lance Taylor  <iant@google.com>
10127
10128         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10129         set tls_segment_ or relro_segment_.
10130         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10131         when appropriate.
10132         * output.h (Output_section::clear_is_relro): New function.
10133         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10134         sections specially even when output_data_ is empty.
10135         (Output_segment::maximum_alignment): When first section is relro,
10136         only force alignment for PT_LOAD segments.
10137         * script.cc (script_data_segment_align): New function.
10138         (script_data_segment_relro_end): New function.
10139         * script-c.h (script_data_segment_align): Declare.
10140         (script_data_segment_relro_end): Declare.
10141         * script-sections.h (class Script_sections): Declare
10142         data_segment_align and data_segment_relro_end.  Add fields
10143         segment_align_index_ and saw_relro_end_.
10144         * script-sections.cc (class Sections_element): Add set_is_relro
10145         virtual function.  Add new bool* parameter to place_orphan_here.
10146         Add get_output_section virtual function.
10147         (class Output_section_definition): Add set_is_relro.  Add new
10148         bool* parameter to place_orphan_here.  Add get_output_section.
10149         Add is_relro_ field.
10150         (Output_section_definition::Output_section_definition): Initialize
10151         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10152         and is_relro_ fields.
10153         (Output_section_definition::place_orphan_here): Add is_relro
10154         parameter.
10155         (Output_section_definition::set_section_addresses): Set relro for
10156         output section.
10157         (Output_section_definition::alternate_constraint): Likewise.
10158         (class Orphan_output_section): Add new bool* parameter to
10159         place_orphan_here.  Add get_output_section.
10160         (Orphan_output_section::place_orphan_here): Add is_relro
10161         parameter.
10162         (Script_sections::Script_sections): Initialize
10163         data_segment_align_index_ and saw_relro_end_.
10164         (Script_sections::data_segment_align): New function.
10165         (Script_sections::data_segment_relro_end): New function.
10166         (Script_sections::place_orphan): Set or clear is_relro.
10167         (Script_sections::set_section_addresses): Force alignment of first
10168         TLS section.
10169         * yyscript.y (exp): Call script_data_segment_align and
10170         script_data_segment_relro_end.
10171         * testsuite/relro_script_test.t: New file.
10172         * testsuite/relro_test.cc (using_script): Declare.
10173         (t1, t2): Test using_script.
10174         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10175         (relro_script_test_SOURCES): Define.
10176         (relro_script_test_DEPENDENCIES): Define.
10177         (relro_script_test_LDFLAGS): Define.
10178         (relro_script_test_LDADD): Define.
10179         (relro_script_test.so): New target.
10180         * testsuite/Makefile.in: Rebuild.
10181
10182 2008-08-06  Cary Coutant <ccoutant@google.com>
10183
10184         * archive.cc (Archive::total_archives, Archive::total_members)
10185         (Archive::total_members_loaded): New variables.
10186         (Archive::setup): Add parameter.  Add option to preread
10187         archive symbols.
10188         (Archive::read_armap): Add counter.
10189         (Archive::get_file_and_offset): New function.
10190         (Archive::get_elf_object_for_member): New function.
10191         (Archive::read_all_symbols): New function.
10192         (Archive::read_symbols): New function.
10193         (Archive::add_symbols): Add counters.
10194         (Archive::include_all_members): Use armap to find members if it's
10195         already built.
10196         (Archive::include_member): Skip reading symbols if already read.
10197         Factored code into Archive::get_file_and_offset and
10198         Archive::get_elf_object_for_member.  Changed call to
10199         Mapfile::report_include_archive_member.
10200         (Archive::print_stats): New function.
10201         * archive.h: Declare Object and Read_symbols_data classes.
10202         (Archive::Archive): Add initializers for new members.
10203         (Archive::setup): Add parameter.
10204         (Archive::print_stats): New function.
10205         (Archive::total_archives, Archive::total_members)
10206         (Archive::total_members_loaded): New variables.
10207         (Archive::get_file_and_offset): New function.
10208         (Archive::get_elf_object_for_member): New function.
10209         (Archive::read_all_symbols): New function.
10210         (Archive::read_symbols): New function.
10211         (Archive::Archive_member): New class.
10212         (Archive::members_): New member.
10213         (Archive::num_members_): New member.
10214         * main.cc: Include archive.h.
10215         (main): Call Archive::print_stats.
10216         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10217         archive parameter; member_name is now the fully-decorated name.
10218         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10219         * options.h: (General_options): Add --preread-archive-symbols option.
10220         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10221         Archive::setup.
10222
10223 2008-08-04  Ian Lance Taylor  <iant@google.com>
10224
10225         * symtab.h (Symbol::use_plt_offset): New function.
10226         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10227         * powerpc.cc (Relocate::relocate): Likewise.
10228         * sparc.cc (Relocate::relocate): Likewise.
10229         * x86_64.cc (Relocate::relocate): Likewise.
10230         * testsuite/weak_plt.sh: New test.
10231         * testsuite/weak_plt_main.cc: New test.
10232         * testsuite/weak_plt_shared.cc: New test.
10233         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10234         (check_PROGRAMS): Add weak_plt.
10235         (check_DATA): Add weak_plt_shared.so.
10236         (weak_plt_main_pic.o, weak_plt): New targets.
10237         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10238         * testsuite/Makefile.in: Rebuild.
10239
10240         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10241         gcctestdir/ld.
10242         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10243         * testsuite/Makefile.in: Rebuild.
10244
10245 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10246
10247         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10248         * Makefile.in: Regenerate.
10249         * po/POTFILES.in: Regenerate.
10250
10251 2008-07-29  Ian Lance Taylor  <iant@google.com>
10252
10253         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10254         symbols before other symbols.
10255         * testsuite/script_test_2.cc (test_addr): Declare.
10256         (test_addr_alias): Declare.
10257         (main): Check that test_addr and test_addr_alias have the right
10258         values.
10259         * testsuite/script_test_2.t: Define test_addr_alias and
10260         test_addr.
10261
10262 2008-07-24  Ian Lance Taylor  <iant@google.com>
10263
10264         PR 5990
10265         * descriptors.cc: New file.
10266         * descriptors.h: New file.
10267         * gold-threads.h (class Hold_optional_lock): New class.
10268         * fileread.cc: Include "descriptors.h".
10269         (File_read::~File_read): Release descriptor rather than closing
10270         it.
10271         (File_read::open) [file]: Call open_descriptor rather than open.
10272         Set is_descriptor_opened_.
10273         (File_read::open) [memory]: Assert that descriptor is not open.
10274         (File_read::reopen_descriptor): New function.
10275         (File_read::release): Release descriptor.
10276         (File_read::do_read): Make non-const.  Reopen descriptor.
10277         (File_read::read): Make non-const.
10278         (File_read::make_view): Reopen descriptor.
10279         (File_read::do_readv): Likewise.
10280         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10281         Update declarations.
10282         * layout.cc: Include "descriptors.h".
10283         (Layout::create_build_id): Use open_descriptor rather than open.
10284         * output.cc: Include "descriptors.h".
10285         (Output_file::open): Use open_descriptor rather than open.
10286         * archive.cc (Archive::const_iterator): Change Archive to be
10287         non-const.
10288         (Archive::begin, Archive::end): Make non-const.
10289         (Archive::count_members): Likewise.
10290         * archive.h (class Archive): Update declarations.
10291         * object.h (Object::read): Make non-const.
10292         * Makefile.am (CCFILES): Add descriptors.cc.
10293         (HFILES): Add descriptors.h.
10294         * Makefile.in: Rebuild.
10295
10296         PR 6716
10297         * gold.h: Always include <clocale>.  Add Solaris workarounds
10298         following code in binutils/sysdep.h.
10299
10300         PR 6048
10301         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10302         this->eh_frame_hdr_ is NULL before using it.
10303
10304         * dynobj.cc (Versions::Versions): Update comment.
10305
10306         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10307         the base version name.
10308
10309         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10310         array size plus one.
10311         (Stringpool_template::set_string_offsets): Subtract one from key
10312         before using it as an array index.
10313         (Stringpool_template::get_offset_with_length): Likewise.
10314         (Stringpool_template::write_to_buffer): Likewise.
10315         * stringpool.h (Stringpool_template::get_offset_from_key):
10316         Likewise.
10317
10318 2008-07-23  Ian Lance Taylor  <iant@google.com>
10319
10320         PR 6658
10321         * object.h (Merged_symbol_value::value): Do our best to handle a
10322         negative addend.
10323
10324         PR 6647
10325         * script.cc (Version_script_info::get_versions): Don't add empty
10326         version tag to return value.
10327         (Version_script_info::get_symbol_version_helper): Change return
10328         type to bool.  Add pversion parameter.  Change all callers.
10329         (script_register_vers_node): Don't require a non-NULL tag.
10330         * script.h (class Version_script_info): Update declarations.
10331         (Version_script_info::get_symbol_version): Change return type to
10332         bool.  Add version parameter.  Change all callers.
10333         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10334         handling.  Handle an empty version from a version script.
10335         (Symbol_table::define_special_symbol): Likewise.
10336         * testsuite/ver_test_10.script: New file.
10337         * testsuite/ver_test_10.sh: New file.
10338         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10339         (check_DATA): Add ver_test_10.syms.
10340         (ver_test_10.syms, ver_test_10.so): New target.
10341         * testsuite/Makefile.in: Rebuild.
10342
10343 2008-07-23  Simon Baldwin  <simonb@google.com>
10344
10345         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10346         to zero for undefined symbols from dynamic libraries.
10347
10348 2008-07-23  Ian Lance Taylor  <iant@google.com>
10349
10350         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10351         Change all callers.
10352         * symtab.h (class Symbol_table): Update declaration.
10353         * testsuite/ver_test_9.cc: New file.
10354         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10355         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10356         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10357         (ver_test_9.so, ver_test_9.o): New targets.
10358         * testsuite/Makefile.in: Rebuild.
10359
10360 2008-07-22  Ian Lance Taylor  <iant@google.com>
10361
10362         * options.h (class General_options): Define --check-sections.
10363         * layout.cc (Layout::set_segment_offsets): Handle
10364         --check-sections.
10365
10366         * options.h (class General_options): Define -n/--nmagic and
10367         -N/--omagic.
10368         * options.cc (General_options::finalize): For -n/--nmagic or
10369         -N/--omagic, set -static.
10370         * layout.cc (Layout::attach_allocated_section_to_segment): If
10371         -N/--omagic, don't put read-only and read-write sections in
10372         different segments.
10373         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10374         finding a read-only segment.
10375         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10376         don't set the minimum segment alignment to the common page size,
10377         and don't set the file offset to the address modulo the page size.
10378         * script-sections.cc (Script_sections::create_segments): If
10379         -n/--omagic, don't put read-only and read-write sections in
10380         different segments.
10381
10382         * cref.cc: New file.
10383         * cref.h: New file.
10384         * options.h (class General_options): Add --print-symbol-counts.
10385         * main.cc (main): Issue defined symbol report if requested.
10386         * archive.cc (Archive::interpret_header): Make into a const member
10387         function.
10388         (Archive::add_symbols): Call Input_objects::archive_start and
10389         archive_stop.
10390         (Archive::const_iterator): Define new class.
10391         (Archive::begin, Archive::end): New functions.
10392         (Archive::include_all_members): Rewrite to use iterator.
10393         (Archive::count_members): New function.
10394         * archive.h (class Archive): Update declarations.
10395         (Archive::filename): New function.
10396         * object.cc: Include "cref.h".
10397         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10398         (Sized_relobj::do_get_global_symbol_counts): New function.
10399         (Input_objects::add_object): Add object to cross-referencer.
10400         (Input_objects::archive_start): New function.
10401         (Input_objects::archive_stop): New function.
10402         (Input_objects::print_symbol_counts): New function.
10403         * object.h: Declare Cref and Archive.
10404         (Object::get_global_symbol_counts): New function.
10405         (Object::do_get_global_symbol_counts): New pure virtual function.
10406         (class Sized_relobj): Add defined_count_ field.  Update
10407         declarations.
10408         (class Input_objects): Add cref_ field.  Update constructor.
10409         Update declarations.
10410         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10411         defined_count_.
10412         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10413         symbol counts.
10414         (Sized_dynobj::do_get_global_symbol_counts): New function.
10415         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10416         defined_count_.  Update declarations.  Define Symbols typedef.
10417         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10418         parameter.  Change all callers.
10419         (Symbol_table::add_from_dynobj): Add sympointers and defined
10420         parameters.  Change all callers.
10421         * symtab.h (class Symbol_table): Update declarations.
10422         * Makefile.am (CCFILES): Add cref.cc.
10423         (HFILES): Add cref.h.
10424         * Makefile.in: Rebuild.
10425
10426 2008-07-22  Simon Baldwin  <simonb@google.com>
10427
10428         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10429         to zero when writing undefined symbols.
10430
10431 2008-07-22  Ian Lance Taylor  <iant@google.com>
10432
10433         * output.cc (Output_section::add_input_section): Don't try to
10434         merge empty merge sections.
10435
10436 2008-07-21  Craig Silverstein  <csilvers@google.com>
10437
10438         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10439         Include symbol version in error message.
10440
10441 2008-07-20  Chris Demetriou  <cgd@google.com>
10442
10443         * configure.ac (gold_cv_c_random_seed): New configured variable.
10444         (RANDOM_SEED_CFLAGS): New substituted variable.
10445         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10446         * configure: Rebuild.
10447         * Makefile.in: Likewise.
10448         * testsuite/Makefile.in: Likewise.
10449
10450 2008-07-18  Ian Lance Taylor  <iant@google.com>
10451
10452         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10453         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10454         * testsuite/ver_test_main.cc (main): Call t4.
10455         (t4, t4_2a): Define.
10456         * testsuite/ver_test_2.cc (t4_2): Define.
10457         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10458         * testsuite/ver_test_4.cc (t4_2a): Define.
10459         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10460         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10461
10462 2008-07-17  Ian Lance Taylor  <iant@google.com>
10463
10464         * dynobj.cc (Versions::add_def): If we give an error about a
10465         missing version, go ahead and create the version anyhow.
10466
10467 2008-07-10  Ian Lance Taylor  <iant@google.com>
10468
10469         Handle output sections with more than 0x7fffffff bytes.
10470         * object.h (class Relobj): Change map_to_output_ to
10471         output_sections_, and just keep a section pointer.  Change all
10472         uses.  Move comdat group support to Sized_relobj.
10473         (Relobj::is_section_specially_mapped): Remove.
10474         (Relobj::output_section): Remove poff parameter.  Change all
10475         callers.
10476         (Relobj::output_section_offset): New function.
10477         (Relobj::set_section_offset): Rewrite.
10478         (Relobj::map_to_output): Remove.
10479         (Relobj::output_sections): New function.
10480         (Relobj::do_output_section_offset): New pure virtual function.
10481         (Relobj::do_set_section_offset): Likewise.
10482         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10483         group support from Relobj.  Update declarations.
10484         (Sized_relobj::get_output_section_offset): New function.
10485         (Sized_relobj::do_output_section_offset): New function.
10486         (Sized_relobj::do_set_section_offset): New function.
10487         * object.cc (Relobj::output_section_address): Remove.
10488         (Sized_relobj::Sized_relobj): Initialize new fields.
10489         (Sized_relobj::include_section_group): Cast find_kept_object to
10490         Sized_relobj.
10491         (Sized_relobj::include_linkonce_section): Likewise.
10492         (Sized_relobj::do_layout): Use separate arrays for output section
10493         and output offset.
10494         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10495         output_sections.
10496         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10497         output_sections and section_offsets.
10498         (Sized_relobj::write_local_symbols): Likewise.
10499         (map_to_kept_section): Compute output address directly.
10500         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10501         output_sections and section_offsets.
10502         (Sized_relobj::write_sections): Likewise.
10503         (Sized_relobj::relocate_sections): Likewise.
10504         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10505         * output.h (class Output_reloc): Update declarations.  Change
10506         u2_.relobj to Sized_relobj*.
10507         (class Output_data_reloc): Change add functions to use
10508         Sized_relobj*.
10509         * output.cc (Output_reloc::Output_reloc): Change relobj to
10510         Sized_relobj*.
10511         (Output_reloc::local_section_offset): Change return type to
10512         Elf_Addr.  Use get_output_section_offset.
10513         (Output_reloc::get_address): Likewise.
10514         (Output_section::is_input_address_mapped): Don't call
10515         is_section_specially_mapped.
10516         (Output_section::output_offset): Likewise.
10517         (Output_section::output_address): Likewise.
10518         (Output_section::starting_output_address): Likewise.
10519         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10520         parameter to Sized_relobj*.
10521         (Copy_relocs::need_copy_reloc): Likewise.
10522         (Copy_relocs::save): Likewise.
10523         * copy-relocs.h (class Copy_relocs): Update declarations.
10524         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10525         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10526         * target-reloc.h (relocate_for_relocatable): Change
10527         offset_in_output_section type to Elf_Addr.  Change code that uses
10528         it as well.
10529         * layout.cc (Layout::layout): Always set *off.
10530         * mapfile.cc (Mapfile::print_input_section): Use
10531         output_section_offset.
10532         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10533         Sized_relobj*.
10534         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10535         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10536         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10537
10538 2008-07-03  Ian Lance Taylor  <iant@google.com>
10539
10540         * layout.cc (Layout::include_section): Do not discard unrecognized
10541         SHT_STRTAB sections.
10542
10543 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10544
10545         * script.cc (Lex::can_continue_name): Make '?' allowable in
10546         version-script names.
10547         * testsuite/version_script.map: Change glob pattern to use '?'
10548
10549 2008-06-30  Manish Singh  <yosh@gimp.org>
10550
10551         PR 6585
10552         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10553         Correct typo.
10554
10555 2008-06-30  Ian Lance Taylor  <iant@google.com>
10556
10557         PR 6660
10558         PR 6682
10559         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10560         versions]: Don't try to read the value in the contents, since we
10561         don't use it.  Use the template endianness when writing.
10562
10563 2008-06-25  Cary Coutant  <ccoutant@google.com>
10564
10565         * fileread.cc (File_read::make_view): Assert on zero-length view.
10566         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10567         symbol table when there are no symbols to read.
10568
10569 2008-06-23  Craig Silverstein  <csilvers@google.com>
10570
10571         * version.cc (version_string): Bump to 1.7
10572
10573 2008-06-18  Craig Silverstein  <csilvers@google.com>
10574
10575         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10576         constant 0xFFFF to type Valtype.
10577         (Powerpc_relocate_functions::rel16_ha): Likewise.
10578
10579 2008-06-17  Ian Lance Taylor  <iant@google.com>
10580
10581         * output.h (Output_section::Input_section): Initialize p2align_ to
10582         zero for Output_section_data constructors.
10583         (Output_section::Input_section::addralign): If not an input
10584         section, return the alignment of the Output_section_data.
10585         * testsuite/copy_test.cc: New file.
10586         * testsuite/copy_test_1.cc: New file.
10587         * testsuite/copy_test_2.cc: New file.
10588         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10589         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10590         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10591         (copy_test_1_pic.o, copy_test_1.so): New targets.
10592         (copy_test_2_pic.o, copy_test_2.so): New targets.
10593         * testsuite/Makefile.in: Rebuild.
10594
10595         * script-sections.cc (Script_sections::place_orphan): Initialize
10596         local variable exact.
10597
10598 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10599
10600         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10601
10602 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10603             David S. Miller  <davem@davemloft.net>
10604
10605         * powerpc.cc: New file.
10606         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10607         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10608         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10609         * Makefile.in: Rebuild.
10610
10611 2008-06-09  Ian Lance Taylor  <iant@google.com>
10612
10613         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10614         <exception>.
10615         (throwing, orig_terminate): New static variables.
10616         (terminate_handler): New static function.
10617         (t2): Set terminate handler.
10618
10619 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10620
10621         PR 6584
10622         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10623         alignment.
10624
10625 2008-05-30  Cary Coutant  <ccoutant@google.com>
10626
10627         * archive.cc (Archive::include_all_members) Correct to step
10628         over symbol table and extended name table in thin archives.
10629
10630 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10631
10632         PR 6407
10633         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10634         calculation.
10635
10636 2008-05-28  Caleb Howe  <cshowe@google.com>
10637
10638         * reduced_debug_output.cc: New file.
10639         * reduced_debug_output.h: New file.
10640         * options.h (class General_options): Add --strip-debug-non-line.
10641         * options.cc (General_options::finalize): Add strip_debug_non_line
10642         to the strip heirarchy.
10643         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10644         fields.
10645         * layout.cc: Include "reduced_debug_output.h".
10646         (Layout::Layout): Initialize new fields.
10647         (line_only_debug_sections): New static array.
10648         (is_lines_only_debug_sections): New static inline function.
10649         (Layout::include_section): Handle --strip-debug-non-line.
10650         (Layout::make_output_section): If --strip-debug-non-line, build
10651         new output sections for .debug_abbrev and .debug_info.
10652         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10653         gold.  Warn about possible overflow.
10654         (read_signed_LEB_128): Likewise.
10655         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10656         (read_signed_LEB_128): Declare.
10657         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10658         (HFILES): Add reduced_debug_output.h.
10659         * Makefile.in: Rebuild.
10660
10661 2008-05-21  Ian Lance Taylor  <iant@google.com>
10662
10663         * mapfile.cc: New file.
10664         * mapfile.h: New file.
10665         * options.h (class General_options): Add -M/--print-map and -Map.
10666         * options.cc (General_options::finalize): Make -M equivalent to
10667         -Map -.
10668         * main.cc: Include <cstdio> and "mapfile.h".
10669         (main): Open mapfile if requested.
10670         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10671         constructor.  Change caller.
10672         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10673         (queue_middle_tasks): Likewise.
10674         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10675         declarations.
10676         * archive.cc: Include "mapfile.h".
10677         (Archive::add_symbols): Add mapfile parameter.  Change all
10678         callers.  Pass mapfile, symbol, and reason to include_member.
10679         (Archive::include_all_members): Add mapfile parameter.  Change all
10680         callers.
10681         (Archive::include_member): Add mapfile, sym, and why parameters.
10682         Change all callers.  Report inclusion to map file.
10683         * archive.h: Include "fileread.h".
10684         (class Archive): Update declarations.
10685         (Archive::file): New const method.
10686         (class Add_archive_symbols): Add mapfile_ field.  Update
10687         constructor.  Change all callers.
10688         * readsyms.h (class Read_symbols): Likewise.
10689         (class Finish_group): Likewise.
10690         (class Read_script): Likewise.
10691         * common.cc: Include "mapfile.h".
10692         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10693         all callers.
10694         (Symbol_table::do_allocate_commons): Likewise.
10695         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10696         symbol allocation to mapfile.
10697         * common.h (class Allocate_commons_task): Add mapfile_ field.
10698         Update constructor.  Change all callers.
10699         * symtab.h (class Symbol_table): Update declarations.
10700         * layout.cc: Include "mapfile.h".
10701         (Layout_task_runner::run): Print information to mapfile.
10702         (Layout::create_gold_note): Change Output_data_fixed_space to
10703         Output_data_zero_fill.
10704         (Layout::create_build_id): Likewise.
10705         (Layout::print_to_mapfile): New function.
10706         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10707         constructor.  Change caller.
10708         (class Layout): Declare print_to_mapfile.
10709         * output.cc (Output_section::Input_section::print_to_mapfile): New
10710         function.
10711         (Output_section::add_input_section): If producing a map, always
10712         add to input_sections_ list.
10713         (Output_section::do_print_to_mapfile): New function.
10714         (Output_segment::print_sections_to_mapfile): New function.
10715         (Output_segment::print_section_list_to_mapfile): New function.
10716         * output.h: Include "mapfile.h".
10717         (Output_data::print_to_mapfile): New function.
10718         (Output_data::do_print_to_mapfile): New virtual function.
10719         (Output_segment_headers::do_print_to_mapfile): New function.
10720         (Output_file_header::do_print_to_mapfile): New function.
10721         (Output_data_const::do_print_to_mapfile): New function.
10722         (class Output_data_const_buffer): Add map_name_ field.  Update
10723         constructor.  Change all callers.  Add do_print_to_mapfile
10724         function.
10725         (class Output_data_fixed_space): Likewise.
10726         (class Output_data_space): Likewise.
10727         (class Output_data_zero_fill): New class.
10728         (Output_data_strtab::do_print_to_mapfile): New function.
10729         (Output_data_reloc_base::do_print_to_mapfile): New function.
10730         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10731         (Output_data_group::do_print_to_mapfile): New function.
10732         (Output_data_got::do_print_to_mapfile): New function.
10733         (Output_data_dynamic::do_print_to_mapfile): New function.
10734         (Output_symtab_xindex::do_print_to_mapfile): New function.
10735         (class Output_section): Declare do_print_to_mapflie.  Declare
10736         print_to_mapfile in Input_section.
10737         (class Output_segment): Declare new functions.
10738         * object.h (Sized_relobj::symbol_count): New function.
10739         * script-sections.cc
10740         (Output_section_element_dot_assignment::set_section_addresses):
10741         Change Output_data_fixed_space to Output_data_zero_fill.
10742         (Output_data_expression::do_print_to_mapfile): New function.
10743         * script.cc (read_input_script): Add mapfile parameter.  Change
10744         all callers.
10745         * script.h (read_input_script): Update declaration.
10746         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10747         (Eh_frame::do_print_to_mapfile): New function.
10748         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10749         (Output_merge_string::do_print_to_mapfile): New function.
10750         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10751         function.
10752         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10753         function.
10754         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10755         function.
10756         * Makefile.am (CCFILES): Add mapfile.cc.
10757         (HFILES): Add mapfile.h.
10758         * Makefile.in: Rebuild.
10759
10760 2008-05-19  Ian Lance Taylor  <iant@google.com>
10761
10762         * options.h (class General_options): Add -z relro.
10763         * layout.cc (Layout::Layout): Initialize relro_segment_.
10764         (Layout::add_output_section_data): Return the output section.
10765         (Layout::make_output_section): Rcognize relro sections and mark
10766         them appropriately.
10767         (Layout::attach_allocated_section_to_segment): Put relro sections
10768         in a PT_GNU_RELRO segment.
10769         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10770         section as relro.
10771         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10772         PT_TLS segments.
10773         (Layout::linkonce_mapping): Map d.rel.ro.local to
10774         .data.rel.ro.local.
10775         (Layout::output_section_name): Us .data.rel.ro.local for any
10776         section which begins with that.
10777         * layout.h (class Layout): Update add_output_section_data
10778         declaration.  Add relro_segment_ field.
10779         * output.cc (Output_section::Output_section): Initialize is_relro_
10780         and is_relro_local_ fields.
10781         (Output_segment::add_output_section): Group relro sections.
10782         (Output_segment::is_first_section_relro): New function.
10783         (Output_segment::maximum_alignment): If there is a relro section,
10784         align the segment to the common page size.
10785         (Output_segment::set_section_addresses): Track whether we are
10786         looking at relro sections.  If the last section is a relro
10787         section, align to the common page size.
10788         (Output_segment::set_section_list_addresses): Add in_relro
10789         parameter.  Change all callers.  Align to the page size when
10790         moving from relro to non-relro section.
10791         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10792         segment.
10793         * output.h (class Output_section): Add is_relro_ and
10794         is_relro_local_ fields.
10795         (Output_section::is_relro): New function.
10796         (Output_section::set_is_relro): New function.
10797         (Output_section::is_relro_local): New function.
10798         (Output_section::set_is_relro_local): New function.
10799         (class Output_segment): Update declarations.
10800         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10801         * sparc.cc (Target_sparc::got_section): Likewise.
10802         * x86_64.cc (Target_x86_64::got_section): Likewise.
10803         * testsuite/relro_test_main.cc: New file.
10804         * testsuite/relro_test.cc: New file.
10805         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10806         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10807         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10808         (relro_test.so, relro_test_pic.o): New targets.
10809         * testsuite/Makefile.in: Rebuild.
10810
10811 2008-05-16  Ian Lance Taylor  <iant@google.com>
10812
10813         * output.cc (Output_segment::add_output_section): Remove front
10814         parameter.
10815         * output.h (class Output_segment): Remove
10816         add_initial_output_section and overloaded add_output_section.
10817         Update declaration of remaining add_output_section.
10818         * layout.cc (Layout::create_interp): Call add_output_section
10819         rather than add_initial_output_section.
10820         (Layout::finish_dynamic_section): Likewise.
10821
10822         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10823         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10824         know the dynamic type.
10825         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10826         field.  Initialize it in constructor.
10827         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10828         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10829         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10830         reloc.
10831
10832         * output.cc (Output_reloc::get_address): Change return type to
10833         Elf_Addr.
10834         * output.h (class Output_reloc): Update get_address declaration.
10835         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10836         for section addresses.
10837
10838 2008-05-09  Ian Lance Taylor  <iant@google.com>
10839
10840         PR 6493
10841         * gold.cc (gold_nomem): Use return value of write.
10842
10843 2008-05-08  Ian Lance Taylor  <iant@google.com>
10844
10845         * symtab.c (Symbol::init_base_output_data): Add version
10846         parameter.  Change all callers.
10847         (Symbol::init_base_output_segment): Likewise.
10848         (Symbol::init_base_constant): Likewise.
10849         (Symbol::init_base_undefined): Likewise.
10850         (Sized_symbol::init_output_data): Likewise.
10851         (Sized_symbol::init_output_segment): Likewise.
10852         (Sized_symbol::init_constant): Likewise.
10853         (Sized_symbol::init_undefined): Likewise.
10854         (Symbol_table::do_define_in_output_data): If the new symbol has a
10855         version, mark it as the default.
10856         (Symbol_table::do_define_in_output_segment): Likewise.
10857         (Symbol_table::do_define_as_constant): Likewise.
10858         * symtab.h (class Symbol): Update declarations.
10859         (class Sized_symbol): Likewise.
10860         * resolve.cc (Symbol::override_version): New function.
10861         (Symbol::override_base): Call override_version.
10862         (Symbol::override_base_with_special): Likewise.
10863         * testsuite/ver_script_8.script: New file.
10864         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10865         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10866         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10867         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10868
10869 2008-05-06  Ian Lance Taylor  <iant@google.com>
10870
10871         PR 6049
10872         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10873         functions.
10874         (class General_options): Remove existing --undefined, and add
10875         --no-undefined instead.  Add new --undefined as synonym for -u.
10876         * archive.cc (Archive::add_symbols): Check whether symbol was
10877         named with -u.
10878         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10879         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10880         all uses.  Add IS_UNDEFINED.  Update declarations to split
10881         different versions of init_base.  Declare init_base_undefined.
10882         (Symbol::is_defined): Handle IS_UNDEFINED.
10883         (Symbol::is_undefined): Likewise.
10884         (Symbol::is_weak_undefined): Call is_undefined.
10885         (Symbol::is_absolute): Handle IS_CONSTANT.
10886         (class Sized_symbol): Update declarations to split different
10887         versions of init.  Declare init_undefined.
10888         (class Symbol_table): Declare new functions.
10889         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10890         Change all callers.
10891         (Symbol::init_base_output_data): Likewise.
10892         (Symbol::init_base_output_segment): Likewise.
10893         (Symbol::init_base_constant): Likewise.
10894         (Symbol::init_base_undefined): New function.
10895         (Sized_symbol::init_object): Rename from init.  Change all
10896         callers.
10897         (Sized_symbol::init_output_data): Likewise.
10898         (Sized_symbol::init_output_segment): Likewise.
10899         (Sized_symbol::init_constant): Likewise.
10900         (Sized_symbol::init_undefined): New function.
10901         (Symbol_table::add_undefined_symbols_from_command_line): New
10902         function.
10903         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10904         function.
10905         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10906         (Symbol::output_section): Likewise.
10907         (Symbol::set_output_section): Likewise.
10908         (Symbol_table::sized_finalize_symbol): Likewise.
10909         (Symbol_table::sized_write_globals): Likewise.
10910         * resolve.cc (Symbol_table::should_override): Likewise.
10911         (Symbol::override_base_with_special): Likewise.
10912
10913         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10914         symbol, change it to have default visibility.
10915         * testsuite/protected_1.cc: New file.
10916         * testsuite/protected_2.cc: New file.
10917         * testsuite/protected_3.cc: New file.
10918         * testsuite/protected_main_1.cc: New file.
10919         * testsuite/protected_main_2.cc: New file.
10920         * testsuite/protected_main_3.cc: New file.
10921         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10922         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10923         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10924         (protected_1.so): New target.
10925         (protected_1_pic.o, protected_2_pic.o): New targets.
10926         (protected_3_pic.o): New target.
10927         (check_PROGRAMS): Add protected_2.
10928         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10929         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10930         * testsuite/Makefile.in: Rebuild.
10931
10932         * options.h (DEFINE_var): Add set_user_set_##varname__.
10933         (DEFINE_bool_alias): New macro.
10934         (class General_options): Define -Bstatic using DEFINE_bool_alias
10935         rather than DEFINE_special.  Add --undefined as an alias for -z
10936         defs.
10937         * options.cc (General_options::parse_Bstatic): Remove.
10938
10939         * options.h (class General_options): Add --fatal-warnings.
10940         * main.cc (main): Implement --fatal-warnings.
10941         * errors.h (Errors::warning_count): New function.
10942
10943         * options.h (class General_options): Add -Bsymbolic-functions.
10944         * symtab.h (Symbol::is_preemptible): Check for
10945         -Bsymbolic-functions.
10946
10947 2008-05-05  Ian Lance Taylor  <iant@google.com>
10948
10949         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10950         as noVARNAME rather than no-VARNAME.
10951         (class General_options): Add option -z combreloc.
10952         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10953         get_address.
10954         (Output_reloc::sort_before) [SHT_REL]: New function.
10955         (Output_reloc::sort_before) [SHT_RELA]: New function.
10956         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10957         Sort_relocs_comparison.
10958         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10959         parameter.  Change all callers.
10960         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10961         sort_relocs parameter.  Change all callers.
10962         * output.cc (Output_reloc::get_address): New function, broken out
10963         of write_rel.
10964         (Output_reloc::write_rel): Call it.
10965         (Output_reloc::compare): New function.
10966         (Output_data_reloc_base::do_write): Optionally sort relocs.
10967
10968         * configure.ac: If targ_extra_obj is set, link it in.
10969         * configure.tgt: Initialize all variables.
10970         (x86_64*): Set targ_extra_obj and targ_extra_size.
10971         * configure: Rebuild.
10972
10973         * object.cc (Sized_relobj::include_section_group): Adjust section
10974         indexes read from group data.  Build vector to pass to
10975         layout_group.
10976         * layout.cc (Layout::layout_group): Add flags and shndxes
10977         parameters.  Remove contents parameter.  Change caller.  Update
10978         explicit instantiations.
10979         * layout.h (class Layout): Update layout_group declaration.
10980         * output.cc (Output_data_group::Output_data_group): Add flags and
10981         input_shndxes parameters.  Remove contents parameter.  Change
10982         caller.
10983         (Output_data_group::do_write): Change input_sections_ to
10984         input_shndxes_.
10985         * output.h (class Output_data_group): Update constructor
10986         declaration.  Rename input_sections_ to input_shndxes_.
10987         * testsuite/many_sections_test.cc: Add template.
10988
10989 2008-04-30  Cary Coutant  <ccoutant@google.com>
10990
10991         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10992
10993         * layout.cc (Layout::include_section): Refactored check for debug
10994         info section.
10995         (Layout::add_comdat): Add new parameters.  Change type
10996         of signature parameter.  Add object and shndx to signatures table.
10997         (Layout::find_kept_object): New function.
10998         * layout.h: Include <cstring>.
10999         (Layout::is_debug_info_section): New function.
11000         (Layout::add_comdat): Add new parameters.
11001         (Layout::find_kept_object): New function.
11002         (Layout::Kept_section): New struct.
11003         (Layout::Signatures): Change type of map range.
11004         * object.cc (Relobj::output_section_address): New function.
11005         (Sized_relobj::include_section_group): Add new parameters.  Change
11006         calls to Layout::add_comdat.  Change to build table of kept comdat
11007         groups and table mapping discarded sections to kept sections.
11008         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11009         (Sized_relobj::do_layout): Change calls to include_section_group and
11010         include_linkonce_section.
11011         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11012         value to zero when section is discarded.
11013         (Sized_relobj::map_to_kept_section): New function.
11014         * object.h (Relobj::output_section_address): New function.
11015         (Relobj::Comdat_group): New type.
11016         (Relobj::find_comdat_group): New function.
11017         (Relobj::Comdat_group_table): New type.
11018         (Relobj::Kept_comdat_section): New type.
11019         (Relobj::Kept_comdat_section_table): New type.
11020         (Relobj::add_comdat_group): New function.
11021         (Relobj::set_kept_comdat_section): New function.
11022         (Relobj::get_kept_comdat_section): New function.
11023         (Relobj::comdat_groups_): New field.
11024         (Relobj::kept_comdat_sections_): New field.
11025         (Symbol_value::input_value): Update comment.
11026         (Sized_relobj::map_to_kept_section) New function.
11027         (Sized_relobj::include_linkonce_section): Add new parameter.
11028         * target-reloc.h (Comdat_behavior): New type.
11029         (get_comdat_behavior): New function.
11030         (relocate_section): Add code to map a discarded section to the
11031         corresponding kept section when applying a relocation.
11032
11033 2008-04-30  Craig Silverstein  <csilvers@google.com>
11034
11035         * dwarf_reader.cc (next_generation_count): New static var.
11036         (Addr2line_cache_entry): New struct.
11037         (addr2line_cache): New static var.
11038         (Dwarf_line_info::one_addr2line): Added caching.
11039         (Dwarf_line_info::clear_addr2line_cache): New function.
11040         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11041         cache-size parameter.
11042         (Dwarf_line_info::one_addr2line_cache): New function.
11043         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11044         new cache-size argument to one_addr2line(), and clear cache.
11045
11046 2008-04-28  Cary Coutant  <ccoutant@google.com>
11047
11048         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11049         R_386_PC8 relocations.
11050
11051 2008-04-23  Ian Lance Taylor  <iant@google.com>
11052
11053         * object.cc (Sized_relobj::include_section_group): Check for
11054         invalid section group.
11055
11056         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11057         header size.
11058
11059         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11060         than read for file header.
11061         * archive.cc (Archive::include_member): Likewise.
11062
11063 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11064
11065         * aclocal.m4: Regenerate.
11066         * configure: Regenerate.
11067
11068 2008-04-19  Ian Lance Taylor  <iant@google.com>
11069
11070         * version.cc (version_string): Bump to 1.6.
11071
11072         * testsuite/Makefile.am (many_sections_r_test): New target.
11073         (many_sections_r_test_SOURCES): Remove.
11074         (many_sections_r_test_DEPENDENCIES): Remove.
11075         (many_sections_r_test_LDFLAGS): Remove.
11076         (many_sections_r_test_LDADD): Remove.
11077
11078         * object.cc (Sized_relobj::do_add_symbols): Always pass
11079         local_symbol_count_ to add_from_relobj.
11080
11081         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11082         every thousand variables.
11083         * testsuite/Makefile.in: Rebuild.
11084
11085         * object.cc (Xindex::initialize_symtab_xindex): New function.
11086         (Xindex::read_symtab_xindex): New function.
11087         (Xindex::sym_xindex_to_shndx): New function.
11088         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11089         available.
11090         (Sized_relobj::do_initialize_xindex): New function.
11091         (Sized_relobj::do_read_symbols): Adjust section links.
11092         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11093         parameter.  Change all callers.
11094         (Sized_relobj::include_section_group): Adjust section links and
11095         symbol section indexes.
11096         (Sized_relobj::do_layout): Adjust section links.
11097         (Sized_relobj::do_count_local_symbols): Adjust section links and
11098         symbol section indexes.
11099         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11100         ordinary and special symbols.
11101         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11102         dynsym_xindex parameters.  Change all callers.  Adjust section
11103         links.  Use SHN_XINDEX when needed.
11104         (Sized_relobj::get_symbol_location_info): Adjust section links.
11105         Don't get fooled by special symbols.
11106         * object.h (class Xindex): Define.
11107         (class Object): Add xindex_ parameter.  Declare virtual functoin
11108         do_initialize_xindex.
11109         (Object::adjust_sym_shndx): New function.
11110         (Object::set_xindex): New protected function.
11111         (class Symbol_value): Add is_ordinary_shndx_ field.
11112         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11113         (Symbol_value::value): Assert ordinary section.
11114         (Symbol_value::initialize_input_to_output_map): Likewise.
11115         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11116         Change all callers.
11117         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11118         all callers.
11119         (class Sized_relobj): Update declarations.
11120         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11121         parameter.  Change all callers.
11122         (Sized_relobj::adjust_shndx): New function.
11123         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11124         field.
11125         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11126         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11127         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11128         (Sized_dynobj::read_dynsym_section): Adjust section links.
11129         (Sized_dynobj::read_dynamic): Likewise.
11130         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11131         section links.
11132         (Sized_dynobj::do_initialize_xindex): New function.
11133         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11134         do_initialize_xindex.
11135         (Sized_dynobj::adjust_shndx): New function.
11136         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11137         dynsym_xindex_ fields.
11138         (Layout::finalize): Add a call to set_section_indexes before
11139         creating the symtab sections.
11140         (Layout::set_section_indexes): Don't do anything if the section
11141         already has a section index.
11142         (Layout::create_symtab_sections): Add shnum parameter.  Change
11143         caller.  Create .symtab_shndx section if needed.
11144         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11145         caller.
11146         (Layout::allocated_output_section_count): New function.
11147         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11148         needed.
11149         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11150         fields.  Update declarations.
11151         (Layout::symtab_xindex): New function.
11152         (Layout::dynsym_xindex): New function.
11153         (class Write_symbols_task): Add layout_ field.
11154         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11155         Change caller.
11156         * output.cc (Output_section_headers::Output_section_headers): Add
11157         shstrtab_section parameter.  Change all callers.
11158         (Output_section_headers::do_sized_write): Store overflow values
11159         for section count and section string table section index in
11160         section header zero.
11161         (Output_file_header::do_sized_write): Check for overflow of
11162         section count and section string table section index.
11163         (Output_symtab_xindex::do_write): New function.
11164         (Output_symtab_xindex::endian_do_write): New function.
11165         * output.h (class Output_section_headers): Add shstrtab_section_.
11166         Update declarations.
11167         (class Output_symtab_xindex): Define.
11168         (Output_section::has_out_shndx): New function.
11169         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11170         field.
11171         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11172         Change all callers.
11173         (Sized_symbol::init): Likewise.
11174         (Symbol::output_section): Check for ordinary symbol.
11175         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11176         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11177         callers.
11178         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11179         Change all callers.  Simplify handling of symbols from sections
11180         not included in the link.
11181         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11182         distinction.
11183         (Weak_alias_sorter::operator()): Assert that symbols are
11184         ordinary.
11185         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11186         distinction.
11187         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11188         parameters.  Change all callers.
11189         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11190         symbol distinction.  Use SHN_XINDEX when needed.
11191         (Symbol_table::write_section_symbol): Add symtab_xindex
11192         parameter.  Change all callers.
11193         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11194         SHN_XINDEX when needed.
11195         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11196         declarations.
11197         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11198         (Symbol::is_defined): Check is_ordinary.
11199         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11200         (Symbol::is_absolute, Symbol::is_common): Likewise.
11201         (class Sized_symbol): Update declarations.
11202         (class Symbol_table): Update declarations.
11203         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11204         parameters.  Change all callers.
11205         (Sized_symbol::override): Likewise.
11206         (Symbol_table::override): Likewise.
11207         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11208         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11209         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11210         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11211         to be in an ordinary section.
11212         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11213         object and is_ordinary parameters.  Change all callers.
11214         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11215         Change all callers.  Don't add undefined or non-ordinary symbols
11216         to reloc_map_.
11217         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11218         Change all callers.
11219         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11220         declarations.
11221         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11222         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11223         (Sized_relobj::relocate_sections): Likewise.
11224         * target-reloc.h (scan_relocs): Adjust section symbol index.
11225         (scan_relocatable_relocs): Likewise.
11226         * i386.cc (Scan::local): Check for ordinary symbols.
11227         * sparc.cc (Scan::local): Likewise.
11228         * x86_64.cc (Scan::local): Likewise.
11229         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11230         to symbol_section_and_value.
11231         * testsuite/many_sections_test.cc: New file.
11232         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11233         (check_PROGRAMS): Add many_sections_test.
11234         (many_sections_test_SOURCES): Define.
11235         (many_sections_test_DEPENDENCIES): Define.
11236         (many_sections_test_LDFLAGS): Define.
11237         (BUILT_SOURCES): Add many_sections_define.h.
11238         (many_sections_define.h): New target.
11239         (BUILT_SOURCES): Add many_sections_check.h.
11240         (many_sections_check.h): New target.
11241         (check_PROGRAMS): Add many_sections_r_test.
11242         (many_sections_r_test_SOURCES): Define.
11243         (many_sections_r_test_DEPENDENCIES): Define.
11244         (many_sections_r_test_LDFLAGS): Define.
11245         (many_sections_r_test_LDADD): Define.
11246         (many_sections_r_test.o): New target.
11247         * testsuite/Makefile.in: Rebuild.
11248
11249 2008-04-17  Cary Coutant  <ccoutant@google.com>
11250
11251         * errors.cc (Errors::info): New function.
11252         (gold_info): New function.
11253         * errors.h (Errors::info): New function.
11254         * gold.h (gold_info): New function.
11255         * object.cc (Input_objects::add_object): Print trace output.
11256         * options.cc (options::parse_set): New function.
11257         (General_options::parse_wrap): Deleted.
11258         (General_options::General_options): Deleted initializer.
11259         * options.h (options::String_set): New typedef.
11260         (options::parse_set): New function.
11261         (DEFINE_set): New macro.
11262         (General_options::wrap): Changed to use DEFINE_set. Changed
11263         callers of any_wrap_symbols and is_wrap_symbol.
11264         (General_options::trace, General_options::trace_symbol):
11265         New options.
11266         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11267         (General_options::wrap_symbols_): Deleted.
11268         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11269
11270 2008-04-17  David S. Miller  <davem@davemloft.net>
11271
11272         * options.cc (General_options::parse_V): New function.
11273         * options.h: Add entries for -V and -Qy.
11274
11275 2008-04-17  Ian Lance Taylor  <iant@google.com>
11276
11277         * common.cc (Symbol_table::allocate_commons): Remove options
11278         parameter.  Change caller.
11279         (Symbol_table::do_allocate_commons): Remove options parameter.
11280         Change caller.  Just call do_allocate_commons_list twice.
11281         (Symbol_table::do_allocate_commons_list): New function, broken out
11282         of do_allocate_commons.
11283         * common.h (class Allocate_commons_task): Remove options_ field.
11284         Update constructor.
11285         * symtab.cc (Symbol_table::Symbol_table): Initialize
11286         tls_commons_.
11287         (Symbol_table::add_from_object): Put TLS common symbols on
11288         tls_commons_ list.
11289         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11290         which are IN_OUTPUT_DATA.
11291         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11292         allocate_commons and do_allocate_commons declarations.  Declare
11293         do_allocate_commons_list.
11294         * gold.cc (queue_middle_tasks): Update creation of
11295         Allocate_commons_task to not pass options.
11296         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11297         (TLS_TEST_C_FLAGS): New variable.
11298         (tls_test_c_pic.o): New target.
11299         (tls_test_shared.so): Link in tls_test_c_pic.o.
11300         (tls_test_c_pic_ie.o): New target.
11301         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11302         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11303         (tls_test_c.o): New target.
11304         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11305         (tls_pic_test_LDADD): Likewise.
11306         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11307         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11308         (tls_test_c_gnu2.o): New target.
11309         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11310         tls_test_c_gnu2.o.
11311         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11312         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11313         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11314         * testsuite/tls_test.cc: Include "config.h".
11315         (t_last): Call t11_last.
11316         * testsuite/tls_test.h (t11, t11_last): Declare.
11317         * testsuite/tls_test_c.c: New file.
11318         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11319         * configure.ac: Check for OpenMP support.
11320         * configure, config.in, Makefile.in: Rebuild.
11321         * testsuite/Makefile.in: Rebuild.
11322
11323 2008-04-16  Cary Coutant  <ccoutant@google.com>
11324
11325         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11326         (Target_i386::tls_base_symbol_defined_): New field.
11327         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11328         (Target_i386::Scan::global): Likewise.
11329         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11330         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11331         (Target_x86_64::tls_base_symbol_defined_): New field.
11332         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11333         (Target_x86_64::Scan::global): Likewise.
11334
11335 2008-04-16  Cary Coutant  <ccoutant@google.com>
11336
11337         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11338         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11339         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11340         building shared libraries.
11341         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11342         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11343         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11344         * testsuite/Makefile.in: Rebuild.
11345         * testsuite/weak_undef.h: New file.
11346         * testsuite/weak_undef_file1.cc: Add extra test cases.
11347         * testsuite/weak_undef_file2.cc: Likewise.
11348         * testsuite/weak_undef_test.cc: Likewise.
11349
11350 2008-04-16  David S. Miller  <davem@davemloft.net>
11351
11352         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11353         Add issued_non_pic_error_ field.  Declare check_non_pic.
11354         (Target_sparc::Scan::check_non_pic): New function.
11355         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11356         (Target_sparc::Scan::global): Likewise.
11357
11358         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11359         * configure: Rebuild.
11360
11361         * options.h (DEFINE_enable): New macro.
11362         (new_dtags): New enable option.
11363         (initfirst, interpose, loadfltr, nodefaultlib,
11364         nodelete, nodlopen, nodump): New -z options.
11365         * layout.cc (Layout:finish_dynamic_section): If new
11366         dtags enabled, emit DT_RUNPATH.  Also, emit a
11367         DT_FLAGS_1 containing any specified -z flags.
11368
11369 2008-04-16  Ian Lance Taylor  <iant@google.com>
11370
11371         * copy-relocs.cc: New file.
11372         * copy-relocs.h: New file.
11373         * reloc.cc: Remove Copy_relocs code.
11374         * reloc.h: Likewise.
11375         * reloc-types.h (struct Reloc_types) [both versions]: Add
11376         get_reloc_addend_noerror.
11377         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11378         variants of add_global which take an addend which must be zero.
11379         * i386.cc: Include "copy-relocs.h".
11380         (class Target_i386): Change type of copy_relocs_ to variable,
11381         update initializer.
11382         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11383         Change all callers.
11384         (Target_i386::do_finalize_sections): Change handling of
11385         copy_relocs_.
11386         * sparc.cc: Include "copy-relocs.h".
11387         (class Target_sparc): Change type of copy_relocs_ to variable,
11388         update initializer.
11389         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11390         Change all callers.
11391         (Target_sparc::do_finalize_sections): Change handling of
11392         copy_relocs_.
11393         * x86_64.cc: Include "copy-relocs.h".
11394         (class Target_x86_64): Change type of copy_relocs_ to variable,
11395         update initializer.
11396         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11397         class.  Change all callers.
11398         (Target_x86_64::do_finalize_sections): Change handling of
11399         copy_relocs_.
11400         * Makefile.am (CCFILES): Add copy-relocs.cc.
11401         (HFILES): Add copy-relocs.h.
11402
11403         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11404
11405         * testsuite/script_test_4.sh: Permit leading zeroes.
11406
11407 2008-04-15  Ian Lance Taylor  <iant@google.com>
11408
11409         * script-sections.cc (Script_sections::create_segments): Use
11410         header_size_adjustment even when there is enough room for the
11411         headers.
11412         * testsuite/script_test_4.sh: New file.
11413         * testsuite/script_test_4.t: New file.
11414         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11415         (check_DATA): Add script_test_4.stdout.
11416         (MOSTLYCLEANFILES): Likewise.
11417         (script_test_4): New target.
11418         (script_test_4.stdout): New target.
11419         * testsuite/Makefile.in: Rebuild.
11420
11421         * sparc.cc: Add definitions for Output_data_plt_sparc class
11422         constants.
11423
11424 2008-04-14  David S. Miller  <davem@davemloft.net>
11425
11426         * sparc.cc: New file.
11427         * Makefile.am (TARGETSOURCES): Add sparc.cc
11428         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11429         * configure.tgt: Document targ_extra_size and
11430         targ_extra_big_endian.  Add entries for sparc-* and
11431         sparc64-*.
11432         * configure.ac: Handle targ_extra_size and
11433         targ_extra_big_endian.
11434         * Makefile.in: Rebuild.
11435         * configure: Likewise.
11436         * po/POTFILES.in: Likewise.
11437         * po/gold.pot: Likewise.
11438
11439 2008-04-14  Ian Lance Taylor  <iant@google.com>
11440
11441         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11442         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11443         in the name/type/flags to section mapping.  Don't call
11444         allocate_output_section.
11445         (Layout::choose_output_section): Change parameter from adjust_name
11446         to is_input_section.  Don't permit input sections after sections
11447         are attached to segments.  Don't call allocate_output_section.
11448         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11449         not write_enable_output_section.
11450         (Layout::make_output_section): Don't push to
11451         unattached_section_list_ nor call attach_to_segment.  Call
11452         attach_section_to_segment if sections are attached.
11453         (Layout::attach_sections_to_segments): New function.
11454         (Layout::attach_section_to_segment): New function.
11455         (Layout::attach_allocated_section_to_segment): Rename from
11456         attach_to_segment.  Remove flags parameter.
11457         (Layout::allocate_output_section): Remove function.
11458         (Layout::write_enable_output_section): Remove function.
11459         * layout.h (class Layout): Update for above changes.  Add new
11460         field sections_are_attached_.
11461         * output.h (Output_section::update_flags_for_input_section): New
11462         function.
11463         * output.cc (Output_section::add_input_section): Call
11464         update_flags_for_input_section.
11465         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11466
11467 2008-04-11  Cary Coutant  <ccoutant@google.com>
11468
11469         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11470         thought unnecessary.
11471         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11472
11473 2008-04-11  Ian Lance Taylor  <iant@google.com>
11474
11475         * output.h (class Output_section_data): Remove inline definition
11476         of set_addralign.
11477         * output.cc (Output_section_data::set_addralign): New function.
11478
11479 2008-04-11  Cary Coutant  <ccoutant@google.com>
11480
11481         Add support for TLS descriptors for i386 and x86_64.
11482         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11483         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11484         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11485         GOT_TYPE_TLS_DESC.
11486         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11487         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11488         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11489         relocations.
11490         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11491         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11492         Fix problem with initial-exec relocations.
11493         (Target_i386::Relocate::relocate_tls): Likewise.
11494         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11495         relaxation.
11496         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11497         support for section-plus-offset dynamic table entries.
11498         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11499         (Output_data_dynamic::Dynamic_entry): Add support for
11500         section-plus-offset dynamic table entries.
11501         (Output_data_dynamic::Classification): Likewise.
11502         (Output_data_dynamic::classification_): Renamed offset_.
11503         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11504         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11505         (Target_x86_64::make_plt_section): New function.
11506         (Target_x86_64::reserve_tlsdesc_entries): New function.
11507         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11508         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11509         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11510         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11511         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11512         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11513         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11514         add extra PLT entry for TLS descriptors.
11515         (Output_data_plt_x86_64::got_): New field.
11516         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11517         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11518         fields.
11519         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11520         descriptors.
11521         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11522         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11523         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11524         R_386_TLS_DESC_CALL relocations.
11525         (Target_x86_64::Scan::global): Likewise.
11526         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11527         for TLS descriptors.
11528         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11529         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11530         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11531         GD-to-IE relaxation.
11532         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11533         and TLS_DESCRIPTORS.
11534         * Makefile.in: Rebuild.
11535         * configure: Rebuild.
11536         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11537         (tls_test_shared2.so): New target.
11538         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11539         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11540         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11541         (tls_shared_gd_to_ie_test_LDADD): New variable.
11542         (tls_shared_gnu2_gd_to_ie_test): New target.
11543         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11544         New targets.
11545         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11546         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11547         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11548         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11549         (tls_shared_gnu2_test): New target.
11550         (tls_test_gnu2_shared.so): New target.
11551         (tls_shared_gnu2_test_SOURCES): New variable.
11552         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11553         (tls_shared_gnu2_test_LDFLAGS): New variable.
11554         (tls_shared_gnu2_test_LDADD): New variable.
11555         * testsuite/Makefile.in: Rebuild.
11556         * testsuite/Makefile.
11557
11558 2008-04-11  Ian Lance Taylor  <iant@google.com>
11559
11560         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11561         justsyms.t.
11562         * testsuite/Makefile.in: Rebuild.
11563
11564         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11565         long.
11566         * testsuite/script_test_2.cc (main): Adjust test.
11567
11568 2008-04-11  David S. Miller  <davem@davemloft.net>
11569             Ian Lance Taylor  <iant@google.com>
11570
11571         * options.h (General_options): Add entries for '-Y' and
11572         '-relax'.
11573         * options.cc (General_options:finalize): If -Y was used, add those
11574         entries to the library path instead of the default "/lib" and
11575         "/usr/lib".
11576
11577 2008-04-11  David S. Miller  <davem@davemloft.net>
11578
11579         * testsuite/justsyms.t: Start at 0x100.
11580         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11581         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11582         long.
11583         * testsuite/script_test_2.cc: Adjust string and section length
11584         checks.
11585
11586 2008-04-09  Ian Lance Taylor  <iant@google.com>
11587
11588         PR gold/5996
11589         * script-sections.cc (Sections_element::allocate_to_segment): Add
11590         orphan parameter.
11591         (Output_section_definition::allocate_to_segment): Likewise.
11592         (Orphan_output_section::allocate_to_segment): Likewise.
11593         (Script_sections::attach_sections_using_phdrs_clause): Don't
11594         propagate non-PT_LOAD segments to orphan sections.
11595         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11596         readelf rather than objdump.
11597         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11598         .interp section and PT_INTERP segment are the same size.
11599         * testsuite/Makefile.in: Rebuild.
11600
11601         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11602         aliases for symbols defined in the same object.
11603         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11604         (weak_alias_test_SOURCES): New variable.
11605         (weak_alias_test_DEPENDENCIES): New variable.
11606         (weak_alias_test_LDFLAGS): New variable.
11607         (weak_alias_test_LDADD): New variable.
11608         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11609         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11610         (weak_alias_test_3.o): New target.
11611         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11612         * testsuite/weak_alias_test_main.cc: New file.
11613         * testsuite/weak_alias_test_1.cc: New file.
11614         * testsuite/weak_alias_test_2.cc: New file.
11615         * testsuite/weak_alias_test_3.cc: New file.
11616
11617 2008-04-08  Ian Lance Taylor  <iant@google.com>
11618
11619         * options.h (class General_options): Add --noinhibit-exec option.
11620         * main.cc (main): Check --noinhibit-exec.
11621
11622         * options.h (class General_options): Define --wrap as a special
11623         option.  Add wrap_symbols_ field.
11624         (General_options::any_wrap_symbols): New function.
11625         (General_options::is_wrap_symbol): New function.
11626         * options.cc (General_options::parse_wrap): New function.
11627         (General_options::General_options): Initialize wrap_symbols_.
11628         * symtab.cc (Symbol_table::wrap_symbol): New function.
11629         (Symbol_table::add_from_object): Handle --wrap.
11630         * symtab.h (class Symbol_table): Declare wrap_symbol.
11631         * target.h (Target::wrap_char): New function.
11632         (Target::Target_info): Add wrap_char field.
11633         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11634         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11635         * testsuite/testfile.cc (Target_test::test_target_info):
11636         Likewise.
11637
11638         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11639         there is one.
11640
11641         * layout.h (class Layout): Add added_eh_frame_data_ field.
11642         * layout.cc (Layout::Layout): Initialize new field.
11643         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11644         output section until we find a section we merged successfully.
11645         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11646         that the size be non-zero.
11647
11648         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11649         qualifier.
11650
11651 2008-04-08  Craig Silverstein  <csilvers@google.com>
11652
11653         * configure.ac: Export new conditional variable HAVE_ZLIB.
11654         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11655         on HAVE_ZLIB.
11656         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11657         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11658
11659 2008-04-07  Ian Lance Taylor  <iant@google.com>
11660
11661         * version.cc (version_string): Set to "1.5".
11662
11663         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11664         Add issued_non_pic_error_ field.  Declare check_non_pic.
11665         (Target_x86_64::Scan::check_non_pic): New function.
11666         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11667         (Target_x86_64::Scan::global): Likewise.
11668
11669         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11670         addend parameter.  Change caller.  Handle merge sections.
11671         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11672         Address to Addend.  Don't add in the result of
11673         local_section_offset, pass down the addend and use the returned
11674         value.
11675         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11676         Update declarations of local_section_offset and symbol_value.
11677         * testsuite/two_file_test_1.cc (t18): New function.
11678         * testsuite/two_file_test_2.cc (f18): New function.
11679         * testsuite/two_file_test_main.cc (main): Call t18.
11680         * testsuite/two_file_test.h (t18, f18): Declare.
11681
11682         * configure.ac: Don't test for objdump, c++filt, or readelf.
11683         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11684         conditionals.
11685         (TEST_READELF): New variable.
11686         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11687         (check_PROGRAMS): Add two_file_strip_test.
11688         (two_file_strip_test): New target.
11689         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11690         (two_file_same_shared_strip_test_SOURCES): New variable.
11691         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11692         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11693         (two_file_same_shared_strip_test_LDADD): New variable.
11694         (two_file_shared_strip.so): New target.
11695         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11696         (ver_test_5.syms, ver_test_7.syms): Likewise.
11697         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11698         (strip_test_3.stdout): Use TEST_OBJDUMP.
11699         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11700
11701 2008-04-04  Cary Coutant  <ccoutant@google.com>
11702
11703         * symtab.h (Symbol::is_weak_undefined): New function.
11704         (Symbol::is_strong_undefined): New function.
11705         (Symbol::is_absolute): New function.
11706         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11707         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11708         absolute symbols.
11709         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11710         (weak_undef_test): New target.
11711         * testsuite/Makefile.in: Rebuild.
11712         * testsuite/weak_undef_file1.cc: New file.
11713         * testsuite/weak_undef_file2.cc: New file.
11714         * testsuite/weak_undef_test.cc: New file.
11715
11716 2008-04-03  Craig Silverstein  <csilvers@google.com>
11717
11718         * compressed_output.h (class Output_compressed_section): Use
11719         unsigned buffer.
11720         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11721         add zlib header.
11722         (zlib_compressed_suffix): Removed.
11723         (Output_compressed_section::set_final_data_size): Use unsigned
11724         buffers.
11725         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11726         Fix linker invocation.
11727         (flagstest_o_specialfile_and_compress_debug_sections):
11728         Likewise.
11729         * testsuite/Makefile.in: Regenerated.
11730
11731 2008-04-02  David S. Miller  <davem@davemloft.net>
11732
11733         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11734         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11735
11736 2008-04-02  Craig Silverstein  <csilvers@google.com>
11737
11738         * TODO: New file.
11739
11740 2008-04-02  Ian Lance Taylor  <iant@google.com>
11741
11742         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11743         parameters.  Update for new key type to views_.  Change all
11744         callers.
11745         (File_read::read): Adjust for byteshift in returned view.
11746         (File_read::add_view): New function, broken out of
11747         find_and_make_view.
11748         (File_read::make_view): New function, broken out of
11749         find_and_make_view.
11750         (File_read::find_or_make_view): Add offset and aligned
11751         parameters.  Rewrite accordingly.  Change all callers.
11752         (File_read::get_view): Add offset and aligned parameters.  Adjust
11753         for byteshift in return value.
11754         (File_read::get_lasting_view): Likewise.
11755         * fileread.h (class File_read): Update declarations.
11756         (class File_read::View): Add byteshift_ field.  Add byteshift to
11757         constructor.  Add byteshift method.
11758         * archive.h (Archive::clear_uncached_views): New function.
11759         (Archive::get_view): Add aligned parameter.  Change all callers.
11760         * object.h (Object::get_view): Add aligned parameter.  Change all
11761         callers.
11762         (Object::get_lasting_view): Likewise.
11763
11764         * fileread.cc (File_read::release): Don't call clear_views if
11765         there are multiple objects.
11766         * fileread.h (File_read::clear_uncached_views): New function.
11767         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11768         on the archive.
11769
11770 2008-03-31  Cary Coutant  <ccoutant@google.com>
11771
11772         Add thin archive support.
11773         * archive.cc (Archive::armagt): New const.
11774         (Archive::setup): Remove task parameter and calls to unlock.
11775         (Archive::unlock_nested_archives): New function.
11776         (Archive::read_header): Add nested_off parameter. Change
11777         all callers.
11778         (Archive::interpret_header): Likewise.
11779         (Archive::include_all_members): Change to handle thin
11780         archives.
11781         (Archive::include_member): Likewise.
11782         * archive.h (Archive::Archive): Add new parameters and
11783         initializers.
11784         (Archive::armagt): New const.
11785         (Archive::setup): Remove task parameter.
11786         (Archive::unlock_nested_archives): New function.
11787         (Archive::read_header): Add nested_off parameter.
11788         (Archive::interpret_header): Likewise.
11789         (Archive::Nested_archive_table): New typedef.
11790         (Archive::is_thin_archive_): New field.
11791         (Archive::nested_archives_): New field.
11792         (Archive::options_): New field.
11793         (Archive::dirpath_): New field.
11794         (Archive::task_): New field.
11795         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11796         for thin archives.  Pass additional parameters to
11797         Archive::Archive.  Unlock the archive file after calling
11798         Archive::setup.
11799
11800 2008-03-29  Ian Lance Taylor  <iant@google.com>
11801
11802         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11803         version symbol to be local.
11804         * testsuite/ver_test_4.sh: New file.
11805         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11806         (check_DATA): Add ver_test_4.syms.
11807         (ver_test_4.syms): New target.
11808         * testsuite/Makefile.in: Rebuild.
11809
11810         * output.cc
11811         (Output_section::Input_section_sort_entry::has_priority): New
11812         function.
11813         (Output_section::Input_section_sort_entry::match_file_name): New
11814         function.
11815         (Output_section::Input_section_sort_entry::match_section_name):
11816         Remove.
11817         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11818         Remove.
11819         (Output_section::Input_section_sort_entry::match_section_file):
11820         Remove.
11821         (Output_section::Input_section_sort_compare::operator()): Rewrite
11822         using new Input_section_sort_entry functions.  Sort crtbegin and
11823         crtend first.  Sort sections with no priority before sections with
11824         a priority.
11825         * testsuite/initpri1.c (d3): Check j != 4.
11826         (cd5): New constructor/destructor function.
11827         (main): Check j != 2.
11828
11829         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11830         new symbol when resolving, don't call set_is_default.
11831         * testsuite/ver_test_7.cc: New file.
11832         * testsuite/ver_test_7.sh: New file.
11833         * testsuite/Makefile.am (ver_test_7.so): New target.
11834         (ver_test_7.o): New target.
11835         (check_SCRIPTS): Add ver_test_7.sh.
11836         (check_DATA): Add ver_test_7.syms.
11837         (ver_test_7.syms): New target.
11838
11839 2008-03-28  Ian Lance Taylor  <iant@google.com>
11840
11841         * layout.cc (Layout::layout): If we see an input section with a
11842         name that needs sorting, set the must_sort flag for the output
11843         section.
11844         (Layout::make_output_section): If the name of the output section
11845         indicates that it might require sorting, set the may_sort flag.
11846         * output.h (Output_section::may_sort_attached_input_sections): New
11847         function.
11848         (Output_section::set_may_sort_attached_input_sections): New
11849         function.
11850         (Output_section::must_sort_attached_input_sections): New
11851         function.
11852         (Output_section::set_must_sort_attached_input_sections): New
11853         function.
11854         (class Output_section): Declare Input_section_sort_entry.  Define
11855         Input_section_sort_compare.  Declare
11856         sort_attached_input_sections.  Add new fields:
11857         may_sort_attached_input_sections_,
11858         must_sort_attached_input_sections_,
11859         attached_input_sections_are_sorted_.
11860         * output.cc (Output_section::Output_section): Initialize new
11861         fields.
11862         (Output_section::add_input_section): Add an entry to
11863         input_sections_ if may_sort or must_sort are true.
11864         (Output_section::set_final_data_size): Call
11865         sort_attached_input_sections if necessary.
11866         (Output_section::Input_section_sort_entry): Define new class.
11867         (Output_section::Input_section_sort_compare::operator()): New
11868         function.
11869         (Output_section::sort_attached_input_sections): New function.
11870         * configure.ac: Check whether the compiler supports constructor
11871         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11872         * testsuite/initpri1.c: New file.
11873         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11874         CONSTRUCTOR_PRIORITY.
11875         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11876         (initpri1_LDFLAGS): New variable.
11877         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11878
11879 2008-03-27  Ian Lance Taylor  <iant@google.com>
11880
11881         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11882         * testsuite/common_test_1.c: New file.
11883         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11884         (common_test_1_SOURCES): New variable.
11885         (common_test_1_DEPENDENCIES): New variable.
11886         (common_test_1_LDFLAGS): New variable.
11887
11888         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11889         and commons_ correctly when NAME/VERSION does not override
11890         NAME/NULL.
11891         * testsuite/ver_test_6.c: New file.
11892         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11893         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11894         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11895
11896 2008-03-26  Ian Lance Taylor  <iant@google.com>
11897
11898         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11899         of an undefined symbol from a version script.
11900         * testsuite/Makefile.am (ver_test_5.so): New target.
11901         (ver_test_5.o): New target.
11902         (check_SCRIPTS): Add ver_test_5.sh.
11903         (check_DATA): Add ver_test_5.syms.
11904         (ver_test_5.syms): New target.
11905         * testsuite/ver_test_5.cc: New file.
11906         * testsuite/ver_test_5.script: New file.
11907         * testsuite/ver_test_5.sh: New file.
11908         * Makefile.in, testsuite/Makefile.in: Rebuild.
11909
11910         PR gold/5986
11911         Fix problems building gold with gcc 4.3.0.
11912         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11913         (gold_error_at_location, gold_warning_at_location): Use it.
11914         * configure.ac: Check whether we can compile and use a template
11915         function with a printf attribute.
11916         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11917         when jumping over bytes.
11918         * object.cc: Instantiate Object::read_section_data.
11919         * debug.h: Include <cstring>
11920         * dwarf_reader.cc: Include <algorithm>
11921         * main.cc: Include <cstring>.
11922         * options.cc: Include <cstring>.
11923         * output.cc: Include <cstring>.
11924         * script.cc: Include <cstring>.
11925         * script.h: Include <string>.
11926         * symtab.cc: Include <cstring> and <algorithm>.
11927         * target-select.cc: Include <cstring>.
11928         * version.cc: Include <string>.
11929         * testsuite/testmain.cc: Include <cstdlib>.
11930         * configure, config.in: Rebuild.
11931
11932 2008-03-25  Ian Lance Taylor  <iant@google.com>
11933
11934         * options.cc: Include "../bfd/bfdver.h".
11935         (options::help): Print bug reporting address.
11936
11937         * version.cc (print_version): Adjust output for current value of
11938         BFD_VERSION_STRING.
11939
11940         * NEWS: New file.
11941
11942         * options.cc (options::help): Print list of supported targets.
11943         * target-select.h: Include <vector>.
11944         (class Target_selector): Make machine_, size_, and is_big_endian_
11945         fields const.  Add bfd_name_ and instantiated_target_ fields.
11946         (Target_selector::Target_selector): Add bfd_name parameter.
11947         (Target_selector::recognize): Make non-virtual, call
11948         do_recognize.
11949         (Target_selector::recognize_by_name): Make non-virtual, call
11950         do_recognize_by_name.
11951         (Target_selector::supported_names): New function.
11952         (Target_selector::bfd_name): New function.
11953         (Target_selector::do_instantiate_target): New pure virtual
11954         function.
11955         (Target_selector::do_recognize): New virtual function.
11956         (Target_selector::do_recognize_by_name): New virtual function.
11957         (Target_selector::instantiate_target): New private function.
11958         (supported_target_names): Declare.
11959         * target-select.cc (Target_selector::Target_selector): Update for
11960         new parameter and fields.
11961         (select_target_by_name): Check that the name matches before
11962         calling recognize_by_name.
11963         (supported_target_names): New function.
11964         * i386.cc (class Target_selector_i386): Update Target_selector
11965         constructor call.  Remove recognize and recognize_by_name.  Add
11966         do_instantiate_target.
11967         * x86_64.cc (class Target_selector_x86_64): Likewise.
11968         * testsuite/testfile.cc (class Target_selector_test): Update for
11969         changes to Target_selector.
11970
11971         * README: Rewrite, with some notes on unsupported features.
11972
11973 2008-03-24  Cary Coutant  <ccoutant@google.com>
11974
11975         * i386.cc (Target_i386::Got_type): New enum declaration.
11976         (Target_i386::Scan::local): Updated callers of Output_data_got
11977         member functions.
11978         (Target_i386::Scan::global): Likewise.
11979         (Target_i386::Relocate::relocate): Likewise.
11980         (Target_i386::Relocate::relocate_tls): Likewise.
11981         * object.h (Got_offset_list): New class.
11982         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11983         (Sized_relobj::local_got_offset): Likewise.
11984         (Sized_relobj::set_local_got_offset): Likewise.
11985         (Sized_relobj::local_has_tls_got_offset): Removed.
11986         (Sized_relobj::local_tls_got_offset): Removed.
11987         (Sized_relobj::set_local_tls_got_offset): Removed.
11988         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11989         * output.cc (Output_data_got::add_global): Added got_type parameter.
11990         (Output_data_got::add_global_with_rel): Likewise.
11991         (Output_data_got::add_global_with_rela): Likewise.
11992         (Output_data_got::add_global_pair_with_rel): New function.
11993         (Output_data_got::add_global_pair_with_rela): New function.
11994         (Output_data_got::add_local): Added got_type parameter.
11995         (Output_data_got::add_local_with_rel): Likewise.
11996         (Output_data_got::add_local_with_rela): Likewise.
11997         (Output_data_got::add_local_pair_with_rel): New function.
11998         (Output_data_got::add_local_pair_with_rela): New function.
11999         (Output_data_got::add_global_tls): Removed.
12000         (Output_data_got::add_global_tls_with_rel): Removed.
12001         (Output_data_got::add_global_tls_with_rela): Removed.
12002         (Output_data_got::add_local_tls): Removed.
12003         (Output_data_got::add_local_tls_with_rel): Removed.
12004         (Output_data_got::add_local_tls_with_rela): Removed.
12005         * output.h (Output_data_got::add_global): Added got_type parameter.
12006         (Output_data_got::add_global_with_rel): Likewise.
12007         (Output_data_got::add_global_with_rela): Likewise.
12008         (Output_data_got::add_global_pair_with_rel): New function.
12009         (Output_data_got::add_global_pair_with_rela): New function.
12010         (Output_data_got::add_local): Added got_type parameter.
12011         (Output_data_got::add_local_with_rel): Likewise.
12012         (Output_data_got::add_local_with_rela): Likewise.
12013         (Output_data_got::add_local_pair_with_rel): New function.
12014         (Output_data_got::add_local_pair_with_rela): New function.
12015         (Output_data_got::add_global_tls): Removed.
12016         (Output_data_got::add_global_tls_with_rel): Removed.
12017         (Output_data_got::add_global_tls_with_rela): Removed.
12018         (Output_data_got::add_local_tls): Removed.
12019         (Output_data_got::add_local_tls_with_rel): Removed.
12020         (Output_data_got::add_local_tls_with_rela): Removed.
12021         * resolve.cc (Symbol::override_base_with_special): Removed
12022         reference to has_got_offset_ field.
12023         * symtab.cc (Symbol::init_fields): Replaced initialization
12024         of got_offset_ with got_offsets_.  Removed initialization
12025         of has_got_offset_
12026         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12027         (Symbol::got_offset): Likewise.
12028         (Symbol::set_got_offset): Likewise.
12029         (Symbol::has_tls_got_offset): Removed.
12030         (Symbol::tls_got_offset): Removed.
12031         (Symbol::set_tls_got_offset): Removed.
12032         (Symbol::got_offset_): Removed.
12033         (Symbol::tls_mod_got_offset_): Removed.
12034         (Symbol::tls_pair_got_offset_): Removed.
12035         (Symbol::got_offsets_): New field.
12036         (Symbol::has_got_offset): Removed.
12037         (Symbol::has_tls_mod_got_offset): Removed.
12038         (Symbol::has_tls_pair_got_offset): Removed.
12039         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12040         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12041         member functions.
12042         (Target_x86_64::Scan::global): Likewise.
12043         (Target_x86_64::Relocate::relocate): Likewise.
12044         (Target_x86_64::Relocate::relocate_tls): Likewise.
12045
12046 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12047
12048         * yyscript.y: Fix spelling error in comment.
12049
12050 2008-03-24  Ian Lance Taylor  <iant@google.com>
12051
12052         * options.h (class General_options): Define build_id option.
12053         * layout.h (class Layout): Declare write_build_id, create_note,
12054         create_build_id.  Add build_id_note_ member.
12055         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12056         "libiberty.h", "md5.h", "sha1.h".
12057         (Layout::Layout): Initialize eh_frame_data_,
12058         eh_frame_hdr_section_, and build_id_note_.
12059         (Layout::finalize): Call create_build_id.
12060         (Layout::create_note): New function, broken out of
12061         Layout::create_gold_note.
12062         (Layout::create_gold_note): Call create_note.
12063         (Layout::create_build_id): New function.
12064         (Layout::write_build_id): New function.
12065         (Close_task_runner::run): Call write_build_id.
12066
12067         * x86_64.cc: Correct license to GPLv3.
12068
12069 2008-03-23  Ian Lance Taylor  <iant@google.com>
12070
12071         * options.cc: Include "demangle.h".
12072         (parse_optional_string): New function.
12073         (parse_long_option): Handle takes_optional_argument.
12074         (parse_short_option): Update dash_z initializer.  Handle
12075         takes_optional_argument.
12076         (General_options::General_options): Initialize do_demangle_.
12077         (General_options::finalize): Set do_demangle_.  Handle demangling
12078         style.
12079         * options.h (parse_optional_string): Declare.
12080         (struct One_option): Add optional_arg field.  Update constructor.
12081         Update call constructor calls.  Add takes_optional_argument
12082         function.
12083         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12084         (DEFINE_optional_string): Define.
12085         (General_options::demangle): Change from DEFINE_bool to
12086         DEFINE_optional_string.
12087         (General_options::no_demangle): New function.
12088         (General_options::do_demangle): New function.
12089         (General_options::set_do_demangle): New function.
12090         (General_options::execstack_status_): Move definition to end of
12091         class definition.
12092         (General_options::static_): Likewise.
12093         (General_options::do_demangle_): New field.
12094         * object.cc (big_endian>::get_symbol_location_info): Call
12095         Options::do_demangle, not Options::demangle.
12096         * symtab.cc (demangle): Likewise.
12097
12098 2008-03-22  Ian Lance Taylor  <iant@google.com>
12099
12100         * gold.h: Include <cstddef> and <sys/types.h>
12101         * options.h: Include <cstring>.
12102
12103 2008-03-21  Ian Lance Taylor  <iant@google.com>
12104
12105         * Added source code to GNU binutils.