gold/ChangeLog

   1 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
   2
   3         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
   4         gc_mark_symbol.
   5         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
   6         gc_mark_symbol.
   7         Change to just keep the section associated with symbol.
   8         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
   9         they are externally visible and --export-dynamic is turned on.
  10         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
  11
  12 2011-10-19  Ian Lance Taylor  <iant@google.com>
  13
  14         PR gold/13163
  15         * script-sections.cc
  16         (Output_section_element_dot_assignment::needs_output_section): New
  17         function.
  18
  19 2011-10-19  Ian Lance Taylor  <iant@google.com>
  20
  21         PR gold/13204
  22         * layout.cc (Layout::segment_precedes): Don't assert failure if a
  23         --section-start option was seen.
  24         * options.h (General_options::any_section_start): New function.
  25
  26 2011-10-18  David S. Miller  <davem@davemloft.net>
  27
  28         PR binutils/13301
  29         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
  30         member to track relocation locations that have moved during TLS
  31         reloc optimizations.
  32         (Target_sparc::Relocate::Relocate): Initialize to NULL.
  33         (Target_sparc::Relocate::relocate): Adjust view down by 4
  34         bytes if it matches reloc_adjust_addr_.
  35         (Target_sparc::Relocate::relocate_tls): Always move the
  36         __tls_get_addr call delay slot instruction forward 4 bytes when
  37         performing relaxation.
  38
  39 2011-10-18  Cary Coutant  <ccoutant@google.com>
  40
  41         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
  42         (Output_file::map_no_anonymous): Check for non-zero
  43         return code from posix_fallocate.
  44
  45 2011-10-17  Cary Coutant  <ccoutant@google.com>
  46
  47         PR gold/13245
  48         * plugin.cc (is_visible_from_outside): Check for symbols
  49         referenced from dynamic objects.
  50         * resolve.cc (Symbol_table::resolve): Don't count references
  51         from dynamic objects as references from real ELF files.
  52         * testsuite/plugin_test_2.sh: Adjust expected result.
  53
  54 2011-10-17  Cary Coutant  <ccoutant@google.com>
  55
  56         * gold.cc: Include timer.h.
  57         (queue_middle_tasks): Stamp time.
  58         (queue_final_tasks): Likewise.
  59         * main.cc (main): Store timer in parameters.  Print timers
  60         for each pass.
  61         * parameters.cc (Parameters::Parameters): Initialize timer_.
  62         (Parameters::set_timer): New function.
  63         (set_parameters_timer): New function.
  64         * parameters.h (Parameters::set_timer): New function.
  65         (Parameters::timer): New function.
  66         (Parameters::timer_): New data member.
  67         (set_parameters_timer): New function.
  68         * timer.cc (Timer::stamp): New function.
  69         (Timer::get_pass_time): New function.
  70         * timer.h (Timer::stamp): New function.
  71         (Timer::get_pass_time): New function.
  72         (Timer::pass_times_): New data member.
  73
  74 2011-10-17  Cary Coutant  <ccoutant@google.com>
  75
  76         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
  77         task for members of lib groups.
  78
  79 2011-10-17  Cary Coutant  <ccoutant@google.com>
  80
  81         PR gold/13288
  82         * fileread.cc (File_read::find_view): Add assert.
  83         (File_read::make_view): Move bounds check (replace with assert)...
  84         (File_read::find_or_make_view): ... to here.
  85
  86 2011-10-12  Cary Coutant  <ccoutant@google.com>
  87
  88         * output.cc (Output_file::open_base_file): Handle case where
  89         ::read returns less than requested size.
  90
  91 2011-10-10  Cary Coutant  <ccoutant@google.com>
  92
  93         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
  94         Initialize defined_count_.
  95         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
  96         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
  97         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
  98         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
  99         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 100         * incremental.h (Sized_relobj_incr::defined_count_): New data
 101         member.
 102         (Sized_incr_dynobj::defined_count_): New data member.
 103         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 104         Return zeroes instead of internal error.
 105
 106 2011-10-10  Cary Coutant  <ccoutant@google.com>
 107
 108         PR gold/13249
 109         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 110         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 111         * output.h (class Output_reloc): Add use_plt_offset flag.
 112         (Output_reloc::type_): Adjust size of bit field.
 113         (Output_reloc::use_plt_offset_): New bit field.
 114         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 115         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 116         flag.  Adjust all callers.
 117         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 118         creating RELATIVE relocations.
 119
 120 2011-10-10  Nick Clifton  <nickc@redhat.com>
 121
 122         * po/es.po: Updated Spanish translation.
 123         * po/fi.po: Updated Finnish translation.
 124
 125 2011-10-03   Diego Novillo  <dnovillo@google.com>
 126
 127         * options.cc (parse_uint): Fix dereference of RETVAL.
 128
 129 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 130
 131         * layout.h (section_order_map_): New member.
 132         (get_section_order_map): New member function.
 133         * output.cc (Output_section::add_input_section): Check for patterns
 134         only when --section-ordering-file is specified.
 135         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 136         output_sections have been formed.
 137         * layout.cc (Layout_Layout): Initialize section_order_map_.
 138         * plugin.cc (update_section_order): Store order in order_map. Do not
 139         update the order.
 140         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 141         * testsuite/Makefile.in: Regenerate.
 142         * testsuite/plugin_section_order.c: New file.
 143         * testsuite/plugin_final_layout.cc: New file.
 144         * testsuite/plugin_final_layout.sh: New file.
 145
 146 2011-09-29  Cary Coutant  <ccoutant@google.com>
 147
 148         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 149         Check for NULL.
 150         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 151         symbols during incremental update.
 152         (Symbol_table::add_from_dynobj): Likewise.
 153
 154 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 155             Ian Lance Taylor  <iant@google.com>
 156
 157         * symtab.cc (Symbol_table::define_special_symbol): Always
 158         canonicalize version string.
 159
 160 2011-09-26  Cary Coutant  <ccoutant@google.com>
 161
 162         * gold.cc (queue_initial_tasks): Move option checks ...
 163         * options.cc (General_options::finalize): ... to here. Disable
 164         some options; make others fatal.
 165
 166 2011-09-26  Cary Coutant  <ccoutant@google.com>
 167
 168         gcc PR lto/47247
 169         * plugin.cc (get_symbols_v2): New function.
 170         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 171         (is_referenced_from_outside): New function.
 172         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 173         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 174         (get_symbols): Pass version parameter.
 175         (get_symbols_v2): New function.
 176         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 177         parameter.
 178         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 179         (onload): Add LDPT_GET_SYMBOLS_V2.
 180         (all_symbols_read_hook): Use get_symbols_v2; check for
 181         LDPR_PREVAILING_DEF_IRONLY_EXP.
 182         * testsuite/plugin_test_3.sh: Update expected results.
 183
 184 2011-09-23  Simon Baldwin  <simonb@google.com>
 185
 186         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 187         configuration options.
 188         * configure: Regenerate.
 189         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 190         * Makefile.in: Regenerate.
 191         * testsuite/Makefile.in: Regenerate.
 192
 193 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 194
 195         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 196
 197 2011-09-19  Cary Coutant  <ccoutant@google.com>
 198
 199         * incremental.cc (can_incremental_update): Fix typo in comment.
 200         * incremental.h (can_incremental_update): Likewise.
 201
 202 2011-09-18  Cary Coutant  <ccoutant@google.com>
 203
 204         * incremental.cc (can_incremental_update): New function.
 205         * incremental.h (can_incremental_update): New function.
 206         * layout.cc (Layout::init_fixed_output_section): Call it.
 207         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 208         * object.cc (Sized_relobj_file::do_layout): Call
 209         can_incremental_update.
 210
 211 2011-09-13  Cary Coutant  <ccoutant@google.com>
 212
 213         * configure.ac: Check for glibc support for gnu_indirect_function
 214         support with static linking, setting automake conditional
 215         IFUNC_STATIC.
 216         * Makefile.in: Regenerate.
 217         * configure: Regenerate.
 218
 219         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 220         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 221         for IFUNC_STATIC.
 222         * testsuite/Makefile.in: Regenerate.
 223
 224 2011-09-13  Cary Coutant  <ccoutant@google.com>
 225
 226         * incremental.cc (Sized_relobj_incr::do_layout): Call
 227         report_comdat_group for kept comdat sections.
 228         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 229         * testsuite/Makefile.in: Regenerate.
 230         * testsuite/incr_comdat_test_1.cc: New source file.
 231         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 232         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 233         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 234
 235 2011-09-13  Ian Lance Taylor  <iant@google.com>
 236
 237         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 238         variable external_symbols_offset.
 239
 240 2011-09-12  Ian Lance Taylor  <iant@google.com>
 241
 242         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 243         triggered if object has no symbols.
 244
 245 2011-09-09  David S. Miller  <davem@davemloft.net>
 246
 247         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 248         (Output_fill_debug_line::do_write): Likewise.
 249
 250 2011-08-29  Cary Coutant  <ccoutant@google.com>
 251
 252         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 253         casts to match formatting specs.
 254         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 255
 256 2011-08-26  Cary Coutant  <ccoutant@google.com>
 257
 258         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 259         remaining hole size when allocating.
 260         (Layout::make_output_section): Set fill methods for debug sections.
 261         * layout.h (Free_list::Free_list_node): Move from private to
 262         public.
 263         (Free_list::set_min_hole_size): New function.
 264         (Free_list::begin, Free_list::end): New functions.
 265         (Free_list::min_hole_): New data member.
 266         * output.cc: Include dwarf.h.
 267         (Output_fill_debug_info::do_minimum_hole_size): New function.
 268         (Output_fill_debug_info::do_write): New function.
 269         (Output_fill_debug_line::do_minimum_hole_size): New function.
 270         (Output_fill_debug_line::do_write): New function.
 271         (Output_section::Output_section): Initialize new data member.
 272         (Output_section::set_final_data_size): Ensure patch space is larger
 273         than minimum hole size.
 274         (Output_section::do_write): Fill holes in debug sections.
 275         * output.h (Output_fill): New class.
 276         (Output_fill_debug_info): New class.
 277         (Output_fill_debug_line): New class.
 278         (Output_section::set_free_space_fill): New function.
 279         (Output_section::free_space_fill_): New data member.
 280         * testsuite/Makefile.am (incremental_test_3): Add
 281         --incremental-patch option.
 282         (incremental_test_4): Likewise.
 283         (incremental_test_5): Likewise.
 284         (incremental_test_6): Likewise.
 285         (incremental_copy_test): Likewise.
 286         (incremental_common_test_1): Likewise.
 287         * testsuite/Makefile.in: Regenerate.
 288
 289 2011-08-26  Nick Clifton  <nickc@redhat.com>
 290
 291         * po/es.po: Updated Spanish translation.
 292
 293 2011-08-01  Cary Coutant  <ccoutant@google.com>
 294
 295         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 296         * gold/testsuite/Makefile.in: Regenerate.
 297         * gold/testsuite/justsyms_exec.c: New source file.
 298         * gold/testsuite/justsyms_lib.c: New source file.
 299
 300 2011-08-01  Cary Coutant  <ccoutant@google.com>
 301
 302         * layout.cc (Layout::set_segment_offsets): Don't realign text
 303         segment if -Ttext was specified.
 304         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 305         file type.
 306         * object.h (Sized_relobj_file::e_type): New function.
 307         (Sized_relobj_file::e_type_): New data member.
 308         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 309         base address for ET_EXEC files.
 310         * target.cc (Target::do_make_elf_object_implementation): Allow
 311         ET_EXEC files with --just-symbols option.
 312
 313 2011-07-28  Cary Coutant  <ccoutant@google.com>
 314
 315         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 316         Add thread_number parameter.
 317         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 318         * workqueue-threads.cc
 319         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 320         current thread if its thread number is greater than desired thread
 321         count.
 322         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 323         Add thread_number parameter.
 324         (Workqueue::should_cancel_thread): Likewise.
 325         (Workqueue::find_runnable_or_wait): Pass thread_number to
 326         should_cancel_thread.
 327         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 328         parameter.
 329
 330 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 331
 332         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 333         only after checking if it cannot be forced local.
 334         * symtab.h (is_externally_visible): Check if the symbol is not forced
 335         local.
 336
 337 2011-07-15  Ian Lance Taylor  <iant@google.com>
 338
 339         * options.h (class General_options): Add --print-output-format.
 340         Move -EL next to -EB, for  better --help output.
 341         * target-select.cc: Include <cstdio>, "options.h", and
 342         "parameters.h".
 343         (Target_selector::do_target_bfd_name): New function.
 344         (print_output_format): New function.
 345         * target-select.h (class Target_selector): Update declarations.
 346         (Target_selector::target_bfd_name): New function.
 347         (print_output_format): Declare.
 348         * main.cc: Include "target-select.h".
 349         (main): Handle --print-output-format.
 350         * gold.cc: Include "target-select.h".
 351         (queue_initial_tasks): Handle --print-output-format when there are
 352         no input files.
 353         * parameters.cc (parameters_force_valid_target): Give a better
 354         error message if -EB/-EL does not match target.
 355         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 356         function.
 357
 358 2011-07-15  Ian Lance Taylor  <iant@google.com>
 359
 360         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 361         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 362         (Output_data_plt_i386::do_write): Write address of .dynamic
 363         section to first entry in .got.plt section.
 364         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 365         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 366         Initialize layout_.
 367         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 368         section to first entry in .got.plt section.
 369         * layout.h (Layout::dynamic_section): New function.
 370
 371 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 372
 373         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 374         to claim_file call.
 375         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 376         input_section_position_, and input_section_glob_.
 377         (read_layout_from_file): Call function section_ordering_specified.
 378         * layout.h (is_section_ordering_specified): New function.
 379         (section_ordering_specified): New function.
 380         (section_ordering_specified_): New boolean member.
 381         * main.cc(main): Call load_plugins after layout object is defined.
 382         * output.cc (Output_section::add_input_section): Use
 383         function section_ordering_specified to check if section ordering is
 384         needed.
 385         * output.cc (Output_section::add_relaxed_input_section): Use
 386         function section_ordering_specified to check if section ordering is
 387         needed.
 388         (Output_section::update_section_layout): New function.
 389         (Output_section::sort_attached_input_sections): Check if input section
 390         must be reordered.
 391         * output.h (Output_section::update_section_layout): New function.
 392         * plugin.cc (get_section_count): New function.
 393         (get_section_type): New function.
 394         (get_section_name): New function.
 395         (get_section_contents): New function.
 396         (update_section_order): New function.
 397         (allow_section_ordering): New function.
 398         (Plugin::load): Add the new interfaces to the transfer vector.
 399         (Plugin_manager::load_plugins): New parameter.
 400         (Plugin_manager::all_symbols_read): New parameter.
 401         (Plugin_manager::claim_file): New parameter. Save the elf object for
 402         unclaimed objects.
 403         (Plugin_manager::get_elf_object): New function.
 404         (Plugin_manager::get_view): Change to directly use the bool to check
 405         if get_view is called from claim_file_hook.
 406         * plugin.h (input_objects): New function
 407         (Plugin__manager::load_plugins): New parameter.
 408         (Plugin_manager::claim_file): New parameter.
 409         (Plugin_manager::get_elf_object): New function.
 410         (Plugin_manager::in_claim_file_handler): New function.
 411         (Plugin_manager::in_claim_file_handler_): New member.
 412         (layout): New function.
 413         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 414         handler with an extra parameter. Make the elf object before calling
 415         claim_file handler.
 416         * testsuite/plugin_test.c (get_section_count): New function pointer.
 417         (get_section_type): New function pointer.
 418         (get_section_name): New function pointer.
 419         (get_section_contents): New function pointer.
 420         (update_section_order): New function pointer.
 421         (allow_section_ordering): New function pointer.
 422         (onload): Check if the new interfaces exist.
 423
 424 2011-07-13  Ian Lance Taylor  <iant@google.com>
 425
 426         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 427         relro section.
 428         * x86_64.cc (Target_x86_64::got_section): Likewise.
 429         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 430         (relro_now_test_SOURCES): New variable.
 431         (relro_now_test_DEPENDENCIES): New variable.
 432         (relro_now_test_LDFLAGS): New variable.
 433         (relro_now_test_LDADD): New variable.
 434         (relro_now_test.so): New target.
 435         * testsuite/Makefile.in: Rebuild.
 436
 437 2011-07-12  Ian Lance Taylor  <iant@google.com>
 438
 439         PR gold/12980
 440         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 441         GLOB_DAT relocation rather than a RELATIVE relocation for a
 442         protected symbol when creating a shared library.
 443         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 444         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 445         * testsuite/protected_main_1.cc (main): Test that protected
 446         function has same address.
 447
 448 2011-07-11  Ian Lance Taylor  <iant@google.com>
 449
 450         PR gold/12979
 451         * options.h (class General_options): Add -Bgroup.
 452         * options.cc (General_options::finalize): If -Bgroup is set,
 453         default to --unresolved-symbols=report-all.
 454         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 455         * target-reloc.h (issue_undefined_symbol_error): Handle
 456         --unresolved-symbols=report-all.
 457
 458 2011-07-08  Ian Lance Taylor  <iant@google.com>
 459
 460         PR gold/11985
 461         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 462         if linker script discards key sections.
 463         (Layout::create_dynamic_symtab): Likewise.
 464         (Layout::assign_local_dynsym_offsets): Likewise.
 465         (Layout::sized_create_version_sections): Likewise.
 466         (Layout::create_interp): Likewise.
 467         (Layout::finish_dynamic_section): Likewise.
 468         (Layout::set_dynamic_symbol_size): Likewise.
 469
 470 2011-07-08  Ian Lance Taylor  <iant@google.com>
 471
 472         PR gold/12386
 473         * options.h (class General_options): Add --unresolved-symbols.
 474         * target-reloc.h (issue_undefined_symbol_error): Check
 475         --unresolved-symbols.  Add comments.
 476
 477 2011-07-08  Ian Lance Taylor  <iant@google.com>
 478
 479         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 480         expression more complex.
 481
 482 2011-07-08  Ian Lance Taylor  <iant@google.com>
 483
 484         PR gold/11317
 485         * target-reloc.h (issue_undefined_symbol_error): New inline
 486         function, broken out of relocate_section.
 487         (relocate_section): Call issue_undefined_symbol_error.
 488         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 489         there is no TLS segment if we are about to issue an undefined
 490         symbol error.
 491         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 492
 493 2011-07-08  Ian Lance Taylor  <iant@google.com>
 494
 495         PR gold/12279
 496         * resolve.cc (Symbol_table::should_override): Add fromtype
 497         parameter.  Change all callers.  Give error when linking together
 498         TLS and non-TLS symbol.
 499         (Symbol_table::should_override_with_special): Add fromtype
 500         parameter.  Change all callers.
 501         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 502         there is no TLS segment if we have reported some errors.
 503         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 504
 505 2011-07-08  Ian Lance Taylor  <iant@google.com>
 506
 507         PR gold/12372
 508         * target.h (Target::plt_address_for_global): New function.
 509         (Target::plt_address_for_local): New function.
 510         (Target::plt_section_for_global): Remove.
 511         (Target::plt_section_for_local): Remove.
 512         (Target::do_plt_address_for_global): New virtual function.
 513         (Target::do_plt_address_for_local): New virtual function.
 514         (Target::do_plt_section_for_global): Remove.
 515         (Target::do_plt_section_for_local): Remove.
 516         (Target::register_global_plt_entry): Add Symbol_table and Layout
 517         parameters.
 518         * output.cc (Output_data_got::Got_entry::write): Use
 519         plt_address_for_global and plt_address_for_local.
 520         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 521         address of output section.
 522         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 523         got_irelative_, and irelative_count_ fields.  Update
 524         declarations.
 525         (Output_data_plt_i386::has_irelative_section): New function.
 526         (Output_data_plt_i386::entry_count): Add irelative_count_.
 527         (Output_data_plt_i386::set_final_data_size): Likewise.
 528         (class Target_i386): Add got_irelative_ and rel_irelative_
 529         fields.  Update declarations.
 530         (Target_i386::Target_i386): Initialize new fields.
 531         (Target_i386::do_plt_address_for_global): New function replacing
 532         do_plt_section_for_global.
 533         (Target_i386::do_plt_address_for_local): New function replacing
 534         do_plt_section_for_local.
 535         (Target_i386::got_section): Create got_irelative_.
 536         (Target_i386::rel_irelative_section): New function.
 537         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 538         fields.  Don't define __rel_iplt_{start,end}.
 539         (Output_data_plt_i386::add_entry): Add symtab and layout
 540         parameters.  Change all callers.  Use different PLT and GOT for
 541         IFUNC symbols.
 542         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 543         layout parameters.  Change all callers.  Use different PLT and
 544         GOT.
 545         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 546         (Output_data_plt_i386::rel_irelative): New function.
 547         (Output_data_plt_i386::address_for_global): New function.
 548         (Output_data_plt_i386::address_for_local): New function.
 549         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 550         IRELATIVE GOT when changing IFUNC GOT entries.
 551         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 552         reloc.
 553         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 554         if we didn't create an IRELATIVE GOT.
 555         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 556         plt_address_for_local.
 557         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 558         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 559         got_irelative_, and irelative_count_ fields.  Update
 560         declarations.
 561         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 562         Initialize new fields.  Remove symtab parameter.  Change all
 563         callers.
 564         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 565         irelative_count_.
 566         (Output_data_plt_x86_64::has_irelative_section): New function.
 567         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 568         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 569         fields.  Update declarations.
 570         (Target_x86_64::Target_x86_64): Initialize new fields.
 571         (Target_x86_64::do_plt_address_for_global): New function replacing
 572         do_plt_section_for_global.
 573         (Target_x86_64::do_plt_address_for_local): New function replacing
 574         do_plt_section_for_local.
 575         (Target_x86_64::got_section): Create got_irelative_.
 576         (Target_x86_64::rela_irelative_section): New function.
 577         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 578         all callers.  Don't create __rel_iplt_{start,end}.
 579         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 580         parameters.  Change all callers.  Use different PLT and GOT for
 581         IFUNC symbols.
 582         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 583         layout parameters.  Change all callers.  Use different PLT and
 584         GOT.
 585         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 586         parameters.  Change all callers.  Use different PLT and GOT for
 587         IFUNC symbols.
 588         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 589         (Output_data_plt_x86_64::rela_irelative): New function.
 590         (Output_data_plt_x86_64::address_for_global): New function.
 591         (Output_data_plt_x86_64::address_for_local): New function.
 592         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 593         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 594         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 595         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 596         parameters.
 597         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 598         reloc.
 599         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 600         symbols if we didn't create an IRELATIVE GOT.
 601         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 602         plt_address_for_local.
 603         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 604         * testsuite/ifuncvar1.c: New test file.
 605         * testsuite/ifuncvar2.c: New test file.
 606         * testsuite/ifuncvar3.c: New test file.
 607         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 608         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 609         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 610         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 611         * testsuite/Makefile.in: Rebuild.
 612
 613 2011-07-07  Cary Coutant  <ccoutant@google.com>
 614
 615         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 616         (two_file_test_1_ndebug.o): Likewise.
 617         (two_file_test_1b_ndebug.o): Likewise.
 618         (two_file_test_2_ndebug.o): Likewise.
 619         (two_file_test_main_ndebug.o): Likewise.
 620         (incremental_test_2): Link with no-debug versions.
 621
 622 2011-07-06  Cary Coutant  <ccoutant@google.com>
 623
 624         * gold/incremental.cc
 625         (Output_section_incremental_inputs::write_info_blocks): Check for
 626         hidden and internal symbols.
 627
 628 2011-07-06  Cary Coutant  <ccoutant@google.com>
 629
 630         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 631         Check disposition for startup file.
 632         (Incremental_inputs::report_command_line): Ignore
 633         --incremental-startup-unchanged option.
 634         * options.cc (General_options::parse_incremental_startup_unchanged):
 635         New function.
 636         (General_options::General_options): Initialize new data member.
 637         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 638         (General_options): Add --incremental-startup-unchanged option.
 639         (General_options::incremental_startup_disposition): New function.
 640         (General_options::incremental_startup_disposition_): New data member.
 641
 642 2011-07-06  Cary Coutant  <ccoutant@google.com>
 643
 644         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 645         input file index to Script_info ctor.
 646         (Sized_incremental_binary::do_file_has_changed): Find the
 647         command-line argument for files named in scripts.
 648         * incremental.h (Script_info::Script_info): New ctor
 649         with input file index.
 650         (Script_info::input_file_index): New function.
 651         (Script_info::input_file_index_): New data member.
 652         (Incremental_binary::get_library): Add const.
 653         (Incremental_binary::get_script_info): Add const.
 654         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 655         * testsuite/Makefile.am (incremental_test_5): New test case.
 656         (incremental_test_6): New test case.
 657         * testsuite/Makefile.in: Regenerate.
 658
 659 2011-07-06  Cary Coutant  <ccoutant@google.com>
 660
 661         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 662         debug output when command lines differ.
 663
 664 2011-07-06  Cary Coutant  <ccoutant@google.com>
 665
 666         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 667         --incremental-patch option.
 668         * layout.cc (Free_list::allocate): Extend allocation beyond original
 669         end if enabled.
 670         (Layout::make_output_section): Mark sections that should get
 671         patch space.
 672         * options.cc (parse_percent): New function.
 673         * options.h (parse_percent): New function.
 674         (DEFINE_percent): New macro.
 675         (General_options): Add --incremental-patch option.
 676         * output.cc (Output_section::Output_section): Initialize new data
 677         members.
 678         (Output_section::add_input_section): Print section name when out
 679         of patch space.
 680         (Output_section::add_output_section_data): Likewise.
 681         (Output_section::set_final_data_size): Add patch space when
 682         doing --incremental-full.
 683         (Output_section::do_reset_address_and_file_offset): Remove patch
 684         space.
 685         (Output_segment::set_section_list_addresses): Print debug output
 686         only if --incremental-update.
 687         * output.h (Output_section::set_is_patch_space_allowed): New function.
 688         (Output_section::is_patch_space_allowed_): New data member.
 689         (Output_section::patch_space_): New data member.
 690         * parameters.cc (Parameters::incremental_full): New function.
 691         * parameters.h (Parameters::incremental_full): New function
 692         * testsuite/Makefile.am (incremental_test_2): Add test for
 693         --incremental-patch option.
 694         * testsuite/Makefile.in: Regenerate.
 695         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 696         (t18): Remove function body.
 697
 698 2011-07-05  Doug Kwan  <dougkwan@google.com>
 699
 700         PR gold/12771
 701         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 702         Arm_Address type for relocation result.
 703         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 704         overflow check.
 705         (Arm_relocate_functions::abs32): Use unaligned access.
 706         (Arm_relocate_functions::rel32): Ditto.
 707         (Arm_relocate_functions::prel31): Ditto.
 708         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 709         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 710         static data relocations.
 711         * testsuite/Makefile.in: Regnerate.
 712         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 713
 714 2011-07-05  Ian Lance Taylor  <iant@google.com>
 715
 716         PR gold/12392
 717         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 718         symbols if necessary.
 719         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 720
 721 2011-07-05  Ian Lance Taylor  <iant@google.com>
 722
 723         PR gold/12952
 724         * resolve.cc (Symbol::override_base_with_special): Simply override
 725         version with special symbol version, ignoring previous version.
 726
 727 2011-07-05  Ian Lance Taylor  <iant@google.com>
 728
 729         * object.cc (Sized_relobj_file::include_section_group): Add
 730         information to comment about signature location.
 731
 732 2011-07-02  Ian Lance Taylor  <iant@google.com>
 733
 734         PR gold/12957
 735         * options.h (class General_options): Add -f and -F.
 736         * options.cc (General_options::finalize): Fatal error if -f/-F
 737         are used without -shared.
 738         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 739
 740 2011-07-02  Ian Lance Taylor  <iant@google.com>
 741
 742         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 743
 744 2011-07-01  Ian Lance Taylor  <iant@google.com>
 745
 746         PR gold/12525
 747         PR gold/12952
 748         * resolve.cc (Symbol::override_base_with_special): Don't override
 749         the version if the overriding symbol has a different name.
 750         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 751         all callers.  If we give an error about an undefined version,
 752         define the base version if necessary.
 753         * dynobj.h (class Versions): Update declaration.
 754         * testsuite/weak_alias_test_5.cc: New file.
 755         * testsuite/weak_alias_test.script: New file.
 756         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 757         and versioned_alias have the right value, and call t2.
 758         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 759         weak_alias_test_5.so.
 760         (weak_alias_test_LDADD): Likewise.
 761         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 762         * testsuite/Makefile.in: Rebuild.
 763
 764 2011-07-01  Ian Lance Taylor  <iant@google.com>
 765
 766         PR gold/12525
 767         * options.h (class General_options): Support -z notext.
 768         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 769         -Wl,-z,notext.
 770         (two_file_shared_nonpic.so): Likewise.
 771         (two_file_shared_mixed.so): Likewise.
 772         (two_file_shared_mixed_1.so): Likewise.
 773         (weak_undef_lib_nonpic.so): Likewise.
 774         (alt/weak_undef_lib_nonpic.so): Likewise.
 775         (tls_test_shared_nonpic.so): Likewise.
 776         * testsuite/Makefile.in: Rebuild.
 777
 778 2011-07-01  Ian Lance Taylor  <iant@google.com>
 779
 780         PR gold/12525
 781         * configure.ac: Test whether static linking works, setting
 782         the automake conditional HAVE_STATIC.
 783         * testsuite/Makefile.am: Disable tests using -static if
 784         HAVE_STATIC is not true.
 785         * configure, testsuite/Makefile.in: Rebuild.
 786
 787 2011-07-01  Ian Lance Taylor  <iant@google.com>
 788
 789         PR gold/12525
 790         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 791         Assert if we see DW_EH_PE_indirect.
 792         * target.h (Target::ehframe_datarel_base): New function.
 793         (Target::do_ehframe_datarel_base): New target function.
 794         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 795         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 796         function.
 797
 798 2011-07-01  Ian Lance Taylor  <iant@google.com>
 799
 800         PR gold/12571
 801         * options.h (class General_options): Add
 802         --ld-generated-unwind-info.
 803         * ehframe.cc (Fde::write): Add address parameter.  Change all
 804         callers.  If associated with PLT, fill in address and size.
 805         (Cie::set_output_offset): Only add merge mapping if there is an
 806         object.
 807         (Cie::write): Add address parameter.  Change all callers.
 808         (Eh_frame::add_ehframe_for_plt): New function.
 809         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 810         input_offset_ fields into union u_, with new plt field.
 811         (Fde::Fde): Adjust for new union field.
 812         (Fde::Fde) [Output_data version]: New constructor.
 813         (Fde::add_mapping): Only add merge mapping if there is an object.
 814         (class Cie): Update declarations.
 815         (class Eh_frame): Declare add_ehframe_for_plt.
 816         * layout.cc (Layout::layout_eh_frame): Break out code into
 817         make_eh_frame_section, and call it.
 818         (Layout::make_eh_frame_section): New function.
 819         (Layout::add_eh_frame_for_plt): New function.
 820         * layout.h (class Layout): Update declarations.
 821         * merge.cc (Merge_map::add_mapping): Add assertion.
 822         * i386.cc: Include "dwarf.h".
 823         (class Output_data_plt_i386): Make first_plt_entry,
 824         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 825         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 826         and plt_eh_frame_fde.
 827         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 828         boundary.  Call add_eh_frame_for_plt if appropriate.
 829         * x86_64.cc: Include "dwarf.h".
 830         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 831         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 832         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 833         and plt_eh_frame_fde.
 834         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 835         appropriate.
 836
 837 2011-06-29  Ian Lance Taylor  <iant@google.com>
 838
 839         PR gold/12629
 840         * object.cc (Sized_relobj_file::layout_section): Change shdr
 841         parameter to be const.
 842         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 843         out of do_layout.
 844         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 845         appropriate.  Call layout_eh_frame_section.
 846         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 847         sections.
 848         * object.h (class Sized_relobj_file): Update declarations.
 849
 850 2011-06-29  Ian Lance Taylor  <iant@google.com>
 851
 852         PR gold/12652
 853         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 854         modifier.
 855         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 856
 857 2011-06-29  Ian Lance Taylor  <iant@google.com>
 858
 859         PR gold/12675
 860         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 861         SHT_X86_64_UNWIND.
 862         * layout.cc (Layout::layout_eh_frame): Likewise.
 863
 864 2011-06-29  Ian Lance Taylor  <iant@google.com>
 865
 866         PR gold/12695
 867         * layout.cc (Layout::symtab_section_shndx): New function.
 868         * layout.h (class Layout): Declare symtab_section_shndx.
 869         * output.cc (Output_section::write_header): Call it.
 870
 871 2011-06-29  Ian Lance Taylor  <iant@google.com>
 872
 873         PR gold/12818
 874         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 875         symbols which are not used in a relocation.
 876
 877 2011-06-28  Ian Lance Taylor  <iant@google.com>
 878
 879         PR gold/12898
 880         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 881         script create indistinguishable segments.
 882         (Layout::set_segment_offsets): Use stable_sort when sorting
 883         segments.  Pass this to Compare_segments constructor.
 884         * layout.h (class Layout): Make segment_precedes non-static.
 885         (class Compare_segments): Change from struct to class.  Add
 886         layout_ field.  Add constructor.
 887         * script-sections.cc
 888         (Script_sections::attach_sections_using_phdrs_clause): Rename
 889         local orphan to is_orphan.  Don't report failure to put empty
 890         section in segment.  On attachment failure, report name of
 891         section, and attach to first PT_LOAD segment.
 892
 893 2011-06-28  Ian Lance Taylor  <iant@google.com>
 894
 895         PR gold/12934
 896         * target-select.cc (Target_selector::Target_selector): Add
 897         emulation parameter.  Change all callers.
 898         (select_target_by_bfd_name): Rename from select_target_by_name.
 899         Change all callers.
 900         (select_target_by_emulation): New function.
 901         (supported_emulation_names): New function.
 902         * target-select.h (class Target_selector): Add emulation_ field.
 903         Update declarations.
 904         (Target_selector::recognize_by_bfd_name): Rename from
 905         recognize_by_name.  Change all callers.
 906         (Target_selector::supported_bfd_names): Rename from
 907         supported_names.  Change all callers.
 908         (Target_selector::recognize_by_emulation): New function.
 909         (Target_selector::supported_emulations): New function.
 910         (Target_selector::emulation): New function.
 911         (Target_selector::do_recognize_by_bfd_name): Rename from
 912         do_recognize_by_name.  Change all callers.
 913         (Target_selector::do_supported_bfd_names): Rename from
 914         do_supported_names.  Change all callers.
 915         (Target_selector::do_recognize_by_emulation): New function.
 916         (Target_selector::do_supported_emulations): New function.
 917         (select_target_by_bfd_name): Change name in declaration.
 918         (select_target_by_emulation): Declare.
 919         (supported_emulation_names): Declare.
 920         * parameters.cc (parameters_force_valid_target): Try to find
 921         target based on emulation from -m option.
 922         * options.h (class General_options): Change doc string for -m.
 923         * options.cc (help): Print emulations.
 924         (General_options::parse_V): Likewise.
 925         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 926         Add emulation parameter.  Change all callers.
 927
 928 2011-06-28  Ian Lance Taylor  <iant@google.com>
 929
 930         * target.h (class Target): Add osabi_ field.
 931         (Target::osabi): New function.
 932         (Target::set_osabi): New function.
 933         (Target::Target): Initialize osabi_.
 934         (Target::do_adjust_elf_header): Make pure virtual.
 935         (Sized_target::do_adjust_elf_header): Declare.
 936         * target.cc (Sized_target::do_adjust_elf_header): New function.
 937         (class Sized_target): Instantiate all versions.
 938         * freebsd.h (class Target_freebsd): Remove.
 939         (Target_selector_freebsd::do_recognize): Call set_osabi on
 940         Target.
 941         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 942         (Target_selector_freebsd::set_osabi): Remove.
 943         * i386.cc (class Target_i386): Inherit from Sized_target rather
 944         than Target_freebsd.
 945         * x86_64.cc (class Target_x86_64): Likewise.
 946
 947 2011-06-28  Ian Lance Taylor  <iant@google.com>
 948
 949         * target.h (Target::can_check_for_function_pointers): Rewrite.
 950         Make non-virtual.
 951         (Target::can_icf_inline_merge_sections): Likewise.
 952         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 953         (Target::Target_info): Add can_icf_inline_merge_sections field.
 954         (Target::do_can_check_for_function_pointers): New virtual
 955         function.
 956         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 957         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 958         from can_check_for_function_pointers, move in file.
 959         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 960         section_may_have_icf_unsafe_poineters, move in file.
 961         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 962         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 963         Rename from can_check_for_function_pointers, move in file.
 964         (Target_i386::can_icf_inline_merge_sections): Remove.
 965         (Target_i386::i386_info): Initialize
 966         can_icf_inline_merge_sections.
 967         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 968         Initialize can_icf_inline_merge_sections.
 969         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 970         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 971         Rename from can_check_for_function_pointers, move in file.
 972         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 973         (Target_x86_64::x86_64_info): Initialize
 974         can_icf_inline_merge_sections.
 975         * testsuite/testfile.cc (Target_test::test_target_info):
 976         Likewise.
 977         * icf.cc (get_section_contents): Correct formatting.
 978
 979 2011-06-27  Ian Lance Taylor  <iant@google.com>
 980
 981         * symtab.cc (Symbol::versioned_name): New function.
 982         (Symbol_table::add_to_final_symtab): Use versioned_name when
 983         appropriate.
 984         (Symbol_table::sized_write_symbol): Likewise.
 985         * symtab.h (class Symbol): Declare versioned_name.
 986         * stringpool.h (class Stringpool_template): Add variant of add
 987         which takes a std::basic_string.
 988         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 989         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 990         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 991         (ver_test_12.o): New target.
 992         * testsuite/Makefile.in: Rebuild.
 993
 994 2011-06-27  Doug Kwan  <dougkwan@google.com>
 995
 996         * arm.cc (Arm_relocate_functions::thm_jump8,
 997         Arm_relocate_functions::thm_jump11): Use a wider signed
 998         type to compute offset.
 999         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1000         arm_thm_jump8.
1001         * testsuite/Makefile.in: Regenerate.
1002         * testsuite/arm_branch_in_range.sh: Check test results of
1003         arm_thm_jump11 and arm_thm_jump8.
1004         * testsuite/arm_thm_jump11.s: New test source file.
1005         * testsuite/arm_thm_jump11.t: New linker script.
1006         * testsuite/arm_thm_jump8.s: New test source file.
1007         * testsuite/arm_thm_jump8.t: New linker script.
1008
1009 2011-06-24  Ian Lance Taylor  <iant@google.com>
1010
1011         * layout.cc: Include "object.h".
1012         (ctors_sections_in_init_array): New static variable.
1013         (Layout::is_ctors_in_init_array): New function.
1014         (Layout::layout): Add entry to ctors_sections_in_init_array if
1015         appropriate.
1016         * layout.h (class Layout): Declare is_ctors_in_init_array.
1017         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1018         is_ctors_reverse_view is set.
1019         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1020         all callers.  Set is_ctors_reverse_view field of View_size.
1021         (Sized_relobj_file::reverse_words): New function.
1022         * object.h (Sized_relobj_file::View_size): Add
1023         is_ctors_reverse_view field.
1024         (class Sized_relobj_file): Update declarations.
1025         * testsuite/initpri3.c: New test.
1026         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1027         initpri3b.
1028         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1029         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1030         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1031         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1032         * testsuite/Makefile.in: Rebuild.
1033
1034 2011-06-24  Cary Coutant  <ccoutant@google.com>
1035
1036         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1037         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1038         (debug_msg_cdebug.err): New targets.
1039         * testsuite/Makefile.in: Regenerate.
1040         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1041         Fix checks for link with shared library.
1042
1043 2011-06-24  Doug Kwan  <dougkwan@google.com>
1044
1045         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1046         skip empty text sections.
1047         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1048
1049 2011-06-22  Ian Lance Taylor  <iant@google.com>
1050
1051         PR gold/12910
1052         * options.h (class General_options): Add --ctors-in-init-array.
1053         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1054         friends as SHT_PROGBITS for merging sections.
1055         (Layout::layout): Remove special handling of .init_array and
1056         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1057         and .dtors if ctors_in_init_array.
1058         (Layout::make_output_section): Force correct section types for
1059         .init_array and friends.  Don't sort if doing relocatable link,
1060         Don't sort .ctors and .dtors if ctors_in_init_array.
1061         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1062         (Layout::output_section_name): Add relobj parameter.  Change all
1063         callers.  Handle .ctors. and .dtors. in code rather than table.
1064         Handle .ctors and .dtors if ctors_in_init_array.
1065         (Layout::match_file_name): New function, moved from output.cc.
1066         * layout.h (class Layout): Update declarations.
1067         * output.cc: Include "layout.h".
1068         (Input_section_sort_entry::get_priority): New function.
1069         (Input_section_sort_entry::match_file_name): Just call
1070         Layout::match_file_name.
1071         (Output_section::Input_section_sort_init_fini_compare::operator()):
1072         Handle .ctors and .dtors.  Sort by explicit priority rather than
1073         by name.
1074         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1075         * testsuite/initpri2.c: New test.
1076         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1077         (check_PROGRAMS): Add initpri2.
1078         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1079         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1080         * configure, testsuite/Makefile.in: Rebuild.
1081
1082 2011-06-19  Ian Lance Taylor  <iant@google.com>
1083
1084         PR gold/12880
1085         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1086         .interp section to a PT_INTERP segment even if we have seen a
1087         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1088         clause in a linker script.
1089         (Layout::finalize): Don't create a .interp section if we've
1090         already create a PT_INTERP segment.
1091         (Layout::create_interp): Always call choose_output_section (revert
1092         patch of 2011-06-17).  Don't create PT_INTERP segment.
1093         * script-sections.cc
1094         (Script_sections::create_note_and_tls_segments): Add a .interp
1095         section to a PT_INTERP segment even if we have seen a
1096         --dynamic-linker option.
1097
1098 2011-06-18  Ian Lance Taylor  <iant@google.com>
1099
1100         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1101         merely because a non-PT_LOAD segment has a dynamic reloc.
1102
1103 2011-06-18  Ian Lance Taylor  <iant@google.com>
1104
1105         * layout.cc (Layout::finish_dynamic_section): Don't create
1106         DT_FLAGS entry if not needed.
1107
1108 2011-06-18  Ian Lance Taylor  <iant@google.com>
1109
1110         PR gold/12745
1111         * layout.cc (Layout::layout_eh_frame): Correct handling of
1112         writable .eh_frame section.
1113
1114 2011-06-17  Ian Lance Taylor  <iant@google.com>
1115
1116         PR gold/12893
1117         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1118         symbol is redefined with the exact same object and value.
1119
1120 2011-06-17  Ian Lance Taylor  <iant@google.com>
1121
1122         PR gold/12880
1123         * layout.h (class Layout): Add interp_segment_ field.
1124         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1125         (Layout::attach_allocated_section_to_segment): If making shared
1126         library, put .interp section in PT_INTERP segment.
1127         (Layout::finalize): Also call create_interp if -dynamic-linker
1128         option was used.
1129         (Layout::create_interp): Assert that there is no PT_INTERP
1130         segment.  If not using a SECTIONS clause, use make_output_section.
1131         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1132         * script-sections.cc
1133         (Script_sections::create_note_and_tls_segments): If making shared
1134         library, put .interp section in PT_INTERP segment.
1135
1136 2011-06-17  Ian Lance Taylor  <iant@google.com>
1137
1138         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1139         when making a shared library.
1140
1141 2011-06-17  Ian Lance Taylor  <iant@google.com>
1142
1143         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1144         parameter.  Change all callers.  Don't issue warning about PC32
1145         against locally defined symbol.
1146
1147 2011-06-16  Ian Lance Taylor  <iant@google.com>
1148
1149         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1150         occurs in same object.
1151
1152 2011-06-14  Alan Modra  <amodra@gmail.com>
1153
1154         * po/POTFILES.in: Regenerate.
1155
1156 2011-06-09  Ian Lance Taylor  <iant@google.com>
1157
1158         * script-sections.cc
1159         (Orphan_output_section::set_section_addresses): For a relocatable
1160         link set address to 0.
1161
1162 2011-06-09  Cary Coutant  <ccoutant@google.com>
1163
1164         PR gold/12804
1165         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1166         used with --compress-debug-sections.
1167         * gold/object.cc (Sized_relobj_file::do_layout): Report
1168         uncompressed size of compressed input sections.
1169
1170 2011-06-08  Cary Coutant  <ccoutant@google.com>
1171
1172         PR gold/12804
1173         * testsuite/two_file_test_2_v1.cc: Change initialization of
1174         v2 to keep it in .data.
1175
1176 2011-06-07  Cary Coutant  <ccoutant@google.com>
1177
1178         * common.cc (Symbol_table::do_allocate_commons_list): Call
1179         gold_fallback.
1180         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1181         (Errors::fallback): New function.
1182         (gold_fallback): New function.
1183         * errors.h (Errors::fallback): New function.
1184         * gold.cc (gold_exit): Change status parameter to enum; adjust
1185         all callers.
1186         (queue_initial_tasks): Call gold_fallback.
1187         * gold.h: Include cstdlib.
1188         (Exit_status): New enum type.
1189         (gold_exit): Change status parameter to enum.
1190         (gold_fallback): New function.
1191         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1192         (Layout::create_symtab_sections): Likewise.
1193         (Layout::create_shdrs): Likewise.
1194         * main.cc (main): Adjust call to gold_exit.
1195         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1196         (Output_data_got::add_got_entry_pair): Likewise.
1197         (Output_section::add_input_section): Likewise.
1198         (Output_section::add_output_section_data): Likewise.
1199         (Output_segment::set_section_list_addresses): Likewise.
1200         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1201
1202 2011-06-07  Cary Coutant  <ccoutant@google.com>
1203
1204         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1205         for incremental links.
1206         * output.cc (Output_segment::set_section_list_addresses): Remove
1207         FIXME and test for TLS or BSS.
1208
1209 2011-06-07  Cary Coutant  <ccoutant@google.com>
1210
1211         * testsuite/Makefile.am: Add incremental_copy_test,
1212         incremental_common_test_1.
1213         * testsuite/Makefile.in: Regenerate.
1214         * testsuite/common_test_1_v1.c: New source file.
1215         * testsuite/common_test_1_v2.c: New source file.
1216         * testsuite/copy_test_v1.cc: New source file.
1217
1218 2011-06-07  Cary Coutant  <ccoutant@google.com>
1219
1220         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1221         update, allocate common from bss section's free list.
1222         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1223         linker-defined symbols.
1224         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1225         Skip GOT and PLT entries that are no longer referenced.
1226         (Output_section_incremental_inputs::write_info_blocks): Mark
1227         linker-defined symbols.
1228         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1229         * output.cc (Output_section::allocate): New function.
1230         * output.h (Output_section::allocate): New function.
1231         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1232         linker-defined symbols.
1233         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1234         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1235         (Symbol::init_base_output_data): Likewise.
1236         (Symbol::init_base_output_segment): Likewise.
1237         (Symbol::init_base_constant): Likewise.
1238         (Sized_symbol::init_output_data): Likewise.
1239         (Sized_symbol::init_output_segment): Likewise.
1240         (Sized_symbol::init_constant): Likewise.
1241         (Symbol_table::do_define_in_output_data): Likewise.
1242         (Symbol_table::do_define_in_output_segment): Likewise.
1243         (Symbol_table::do_define_as_constant): Likewise.
1244         * symtab.h (Symbol::is_predefined): New function.
1245         (Symbol::init_base_output_data): Add is_predefined parameter.
1246         (Symbol::init_base_output_segment): Likewise.
1247         (Symbol::init_base_constant): Likewise.
1248         (Symbol::is_predefined_): New data member.
1249         (Sized_symbol::init_output_data): Add is_predefined parameter.
1250         (Sized_symbol::init_output_segment): Likewise.
1251         (Sized_symbol::init_constant): Likewise.
1252         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1253
1254 2011-06-07  Cary Coutant  <ccoutant@google.com>
1255
1256         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1257         instead of emit_copy_reloc.
1258         (Copy_relocs::emit_copy_reloc): Refactor.
1259         (Copy_relocs::make_copy_reloc): New function.
1260         (Copy_relocs::add_copy_reloc): Remove.
1261         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1262         section.
1263         (Copy_relocs::make_copy_reloc): New function.
1264         (Copy_relocs::add_copy_reloc): Remove.
1265         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1266         unchanged input files.
1267         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1268         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1269         Reserve BSS space for COPY relocations.
1270         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1271         (Output_section_incremental_inputs::write_info_blocks): Record
1272         whether a symbol is copied from a shared object.
1273         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1274         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1275         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1276         (Incremental_input_entry_reader::get_output_symbol_index): Add
1277         is_copy parameter.
1278         (Incremental_binary::emit_copy_relocs): New function.
1279         (Incremental_binary::do_emit_copy_relocs): New function.
1280         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1281         new data member.
1282         (Sized_incremental_binary::add_copy_reloc): New function.
1283         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1284         (Sized_incremental_binary::Copy_reloc): New struct.
1285         (Sized_incremental_binary::Copy_relocs): New typedef.
1286         (Sized_incremental_binary::copy_relocs_): New data member.
1287         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1288         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1289         * target.h (Sized_target::emit_copy_reloc): New function.
1290         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1291
1292 2011-06-02  Cary Coutant  <ccoutant@google.com>
1293
1294         PR gold/12163
1295         * gold/archive.cc (Archive::Archive): Initialize new data member.
1296         (Archive::include_all_members): Return if archive has already been
1297         included.
1298         * gold/archive.h (Archive::include_all_members_): New data member.
1299
1300 2011-06-02  Nick Clifton  <nickc@redhat.com>
1301
1302         * dynobj.h: Fix spelling mistake in comment.
1303         * output.cc: Likewise.
1304
1305 2011-05-31  Doug Kwan  <dougkwan@google.com>
1306             Asier Llano
1307
1308         PR gold/12826
1309         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1310         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1311         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1312         redundant arm_exidx_test.so.
1313         * testsuite/Makefile.in: Regenerate.
1314         (check_SCRIPTS): Add pr12826.sh
1315         (check_DATA): Add pr12826.stdout
1316         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1317         * testsuite/pr12826.sh: New file.
1318         * testsuite/pr12826_1.s: Ditto.
1319         * testsuite/pr12826_1.s: Ditto.
1320
1321 2011-05-30  Ian Lance Taylor  <iant@google.com>
1322
1323         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1324         sections.
1325
1326 2011-05-29  Ian Lance Taylor  <iant@google.com>
1327
1328         PR gold/12804
1329         * testsuite/Makefile.am: Use different file name for two_file_test
1330         temporary file for each incremental test.
1331         * testsuite/Makefile.in: Rebuild.
1332
1333 2011-05-29  Ian Lance Taylor  <iant@google.com>
1334
1335         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1336         binary input file is empty.
1337
1338 2011-05-27  Ian Lance Taylor  <iant@google.com>
1339
1340         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1341         (ver_test_9.so): Likewise.
1342         * testsuite/Makefile.in: Rebuild.
1343
1344 2011-05-26 Cary Coutant  <ccoutant@google.com>
1345
1346         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1347         * incremental.cc (Incremental_inputs::report_input_section): Fix
1348         comment, indentation.
1349         (Incremental_inputs::report_comdat_group): New function.
1350         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1351         of data for incremental input file entry.
1352         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1353         group count, COMDAT group signatures.
1354         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1355         an unchanged input file.
1356         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1357         Initialize new data member.
1358         (Incremental_object_entry::add_comdat_group): New function.
1359         (Incremental_object_entry::get_comdat_group_count): New function.
1360         (Incremental_object_entry::get_comdat_signature_key): New function.
1361         (Incremental_object_entry::groups_): New data member.
1362         (Incremental_inputs::report_comdat_group): New function.
1363         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1364         data for incremental input file entry.
1365         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1366         (Incremental_input_entry_reader::get_input_section): Adjust size of
1367         data for incremental input file entry.
1368         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1369         (Incremental_input_entry_reader::get_comdat_group_signature): New
1370         function.
1371         * object.cc (Sized_relobj::include_section_group): Report kept
1372         COMDAT groups for incremental links.
1373
1374 2011-05-24  David Meyer  <pdox@google.com>
1375
1376         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1377         with name parameter.  Add found_name parameter.
1378         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1379         * dirsearch.h (class Dirsearch): Update declaration.
1380
1381 2011-05-24  Ian Lance Taylor  <iant@google.com>
1382
1383         * archive.cc (Library_base::should_include_member): Pull in object
1384         from archive if it defines the entry symbol.
1385         * parameters.cc (Parameters::entry): New function.
1386         * parameters.h (class Parameters): Declare entry.
1387         * output.h (class Output_file_header): Remove entry_ field.
1388         * output.cc (Output_file_header::Output_file_header): Remove entry
1389         parameter.  Change all callers.
1390         (Output_file_header::entry): Use parameters->entry.
1391         * gold.cc (queue_middle_tasks): Likewise.
1392         * plugin.cc (Plugin_hook::run): Likewise.
1393
1394 2011-05-24 Cary Coutant  <ccoutant@google.com>
1395
1396         * gold.cc (queue_initial_tasks): Pass incremental base filename
1397         to Output_file::open_base_file; don't print error message.
1398         * incremental-dump.cc (main): Adjust call to
1399         Output_file::open_for_modification.
1400         * incremental-dump.cc (main): Likewise.
1401         * incremental.cc (Incremental_inputs::report_command_line):
1402         Ignore --incremental-base option when comparing command lines.
1403         Ignore parameter when given as separate argument.
1404         * options.h (class General_options): Add --incremental-base.
1405         * output.cc (Output_file::Output_file):
1406         (Output_file::open_base_file): Add base_name and writable parameters;
1407         read base file into new file; print error message here.
1408         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1409         callers.
1410         * output.h (Output_file::open_for_modification): Rename to...
1411         (Output_file::open_base_file): ...this; add base_name and
1412         writable parameters; adjust all callers.
1413         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1414         callers.
1415         * testsuite/Makefile.am (incremental_test_4): Test
1416         --incremental-base.
1417         * testsuite/Makefile.in: Regenerate.
1418
1419 2011-05-24 Cary Coutant  <ccoutant@google.com>
1420
1421         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1422         incremental_test_4.
1423         * testsuite/Makefile.in: Regenerate.
1424         * testsuite/two_file_test_1_v1.cc: New test source file.
1425         * testsuite/two_file_test_1b_v1.cc: New test source file.
1426         * testsuite/two_file_test_2_v1.cc: New test source file.
1427
1428 2011-05-24 Cary Coutant  <ccoutant@google.com>
1429
1430         * dynobj.h (Dynobj::do_dynobj): New function.
1431         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1432         flag and soname for shared objects.
1433         * incremental.cc (Incremental_inputs::report_object): Make
1434         either Incremental_object_entry or Incremental_dynobj_entry; add
1435         soname to string table.
1436         (Incremental_inputs::report_input_section): Add assertion.
1437         (Output_section_incremental_inputs::set_final_data_size): Adjust
1438         type of input file entry for shared libraries; adjust size of
1439         shared library info entry.
1440         (Output_section_incremental_inputs::write_input_files): Write
1441         as_needed flag for shared libraries.
1442         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1443         of input file entry for shared libraries; write soname.
1444         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1445         soname from incremental info.
1446         * incremental.h (enum Incremental_input_flags): Add
1447         INCREMENTAL_INPUT_AS_NEEDED.
1448         (Incremental_input_entry::Incremental_input_entry): Initialize new
1449         data member.
1450         (Incremental_input_entry::set_as_needed): New function.
1451         (Incremental_input_entry::as_needed): New function.
1452         (Incremental_input_entry::do_dynobj_entry): New function.
1453         (Incremental_input_entry::as_needed_): New data member.
1454         (Incremental_object_entry::Incremental_object_entry): Don't check
1455         for shared library.
1456         (Incremental_object_entry::do_type): Likewise.
1457         (class Incremental_dynobj_entry): New class.
1458         (Incremental_input_entry_reader::as_needed): New function.
1459         (Incremental_input_entry_reader::get_soname): New function.
1460         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1461         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1462         size of shared library info entry.
1463         * layout.cc (Layout::finish_dynamic_section): Don't test for
1464         incremental link when adding DT_NEEDED entries.
1465         * object.h (Object::Object): Initialize new data member.
1466         (Object::dynobj): New function.
1467         (Object::set_as_needed): New function.
1468         (Object::as_needed): New function.
1469         (Object::do_dynobj): New function.
1470         (Object::as_needed_): New data member.
1471
1472 2011-05-24 Cary Coutant  <ccoutant@google.com>
1473
1474         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1475         info; adjust display of GOT entries.
1476         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1477         vector of input objects; remove file_status_.
1478         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1479         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1480         got_plt reader; call target hooks to reserve GOT entries.
1481         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1482         of input file info header and GOT info entry.
1483         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1484         relocation info.
1485         (Got_plt_view_info::got_descriptor): Remove.
1486         (Got_plt_view_info::sym_index): New data member.
1487         (Got_plt_view_info::input_index): New data member.
1488         (Local_got_offset_visitor::visit): Write input file index.
1489         (Global_got_offset_visitor::visit): Write 0 for input file index.
1490         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1491         with sym_index and input_index.
1492         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1493         incremental info GOT entry; replace got_descriptor with input_index.
1494         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1495         map from input file index to object.
1496         (Sized_relobj_incr::do_layout): Replace direct data member reference
1497         with accessor function.
1498         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1499         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1500         Adjust size of input file info header.
1501         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1502         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1503         (Incremental_input_entry_reader::get_input_section): Adjust size of
1504         input file info header.
1505         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1506         of incremental info GOT entry.
1507         (Incremental_got_plt_reader::get_got_desc): Remove.
1508         (Incremental_got_plt_reader::get_got_symndx): New function.
1509         (Incremental_got_plt_reader::get_got_input_index): New function.
1510         (Sized_incremental_binary::Sized_incremental_binary): Remove
1511         file_status_; add input_objects_.
1512         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1513         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1514         (Sized_incremental_binary::file_is_unchanged): Remove.
1515         (Sized_incremental_binary::set_input_object): New function.
1516         (Sized_incremental_binary::input_object): New function.
1517         (Sized_incremental_binary::file_status_): Remove.
1518         (Sized_incremental_binary::input_objects_): New data member.
1519         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1520         references.
1521         (Sized_relobj_incr::invalid_address): Move to base class.
1522         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1523         class.
1524         (Sized_relobj_incr::do_output_section_offset): Likewise.
1525         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1526         (Sized_relobj_incr::section_offsets_): Likewise.
1527         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1528         function.
1529         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1530         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1531         with accessor function.
1532         (Sized_relobj_file::do_layout): Likewise.
1533         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1534         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1535         (Sized_relobj_file::compute_final_local_value): Replace refs to
1536         section_offsets_ with accessor function.
1537         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1538         * object.h (Relobj::Relobj): Initialize new data members.
1539         (Relobj::add_dyn_reloc): New function.
1540         (Relobj::first_dyn_reloc): New function.
1541         (Relobj::dyn_reloc_count): New function.
1542         (Relobj::first_dyn_reloc_): New data member.
1543         (Relobj::dyn_reloc_count_): New data member.
1544         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1545         references.
1546         (Sized_relobj::Address): New typedef.
1547         (Sized_relobj::invalid_address): Move here from child class.
1548         (Sized_relobj::Sized_relobj): Initialize new data members.
1549         (Sized_relobj::sized_relobj): New function.
1550         (Sized_relobj::is_output_section_offset_invalid): Move here from
1551         child class.
1552         (Sized_relobj::get_output_section_offset): Likewise.
1553         (Sized_relobj::local_has_got_offset): Likewise.
1554         (Sized_relobj::local_got_offset): Likewise.
1555         (Sized_relobj::set_local_got_offset): Likewise.
1556         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1557         (Sized_relobj::clear_got_offsets): New function.
1558         (Sized_relobj::section_offsets): Move here from child class.
1559         (Sized_relobj::do_output_section_offset): Likewise.
1560         (Sized_relobj::do_set_section_offset): Likewise.
1561         (Sized_relobj::Local_got_offsets): Likewise.
1562         (Sized_relobj::local_got_offsets_): Likewise.
1563         (Sized_relobj::section_offsets_): Likewise.
1564         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1565         references.
1566         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1567         class.
1568         (Sized_relobj_file::sized_relobj): New function
1569         (Sized_relobj_file::local_has_got_offset): Move to base class.
1570         (Sized_relobj_file::local_got_offset): Likewise.
1571         (Sized_relobj_file::set_local_got_offset): Likewise.
1572         (Sized_relobj_file::get_output_section_offset): Likewise.
1573         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1574         (Sized_relobj_file::do_output_section_offset): Likewise.
1575         (Sized_relobj_file::do_set_section_offset): Likewise.
1576         (Sized_relobj_file::Local_got_offsets): Likewise.
1577         (Sized_relobj_file::local_got_offsets_): Likewise.
1578         (Sized_relobj_file::section_offsets_): Likewise.
1579         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1580         (all constructors).
1581         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1582         (Output_reloc::get_symbol_index): Likewise.
1583         (Output_reloc::local_section_offset): Likewise.
1584         (Output_reloc::get_address): Likewise.
1585         (Output_reloc::symbol_value): Likewise.
1586         (Output_data_got::reserve_slot): Move to class definition.
1587         (Output_data_got::reserve_local): New function.
1588         (Output_data_got::reserve_slot_for_global): Remove.
1589         (Output_data_got::reserve_global): New function.
1590         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1591         (all constructors, two instantiations).
1592         (Output_reloc::get_relobj): New function (two instantiations).
1593         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1594         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1595         (Output_data_reloc::add_global): Adjust type of relobj.
1596         (Output_data_reloc::add_global_relative): Likewise.
1597         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1598         (Output_data_reloc::add_local): Likewise.
1599         (Output_data_reloc::add_local_relative): Likewise.
1600         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1601         (Output_data_reloc::add_local_section): Likewise.
1602         (Output_data_reloc::add_output_section): Likewise.
1603         (Output_data_reloc::add_absolute): Likewise.
1604         (Output_data_reloc::add_target_specific): Likewise.
1605         (Output_data_got::reserve_slot): Move definition here.
1606         (Output_data_got::reserve_local): New function.
1607         (Output_data_got::reserve_global): New function.
1608         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1609         section_offsets_ with accessor function.
1610         (Sized_relobj_file::write_sections): Likewise.
1611         (Sized_relobj_file::do_relocate_sections): Likewise.
1612         * target.h (Sized_target::reserve_local_got_entry): New function.
1613         (Sized_target::reserve_global_got_entry): New function.
1614         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1615         (Target_x86_64::reserve_global_got_entry): New function.
1616         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1617
1618 2011-05-23 Cary Coutant  <ccoutant@google.com>
1619
1620         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1621         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1622         bit when checking got_type.
1623         * incremental.cc (Sized_incremental_binary::setup_readers):
1624         Store symbol table and string table locations; initialize bit vector
1625         of file status flags.
1626         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1627         unchanged files.
1628         (Sized_incremental_binary::do_process_got_plt): New function.
1629         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1630         (Output_section_incremental_inputs::set_final_data_size): Record
1631         file index for each input file.
1632         (Output_section_incremental_inputs::write_got_plt): Store file index
1633         instead of input entry offset for each GOT entry.
1634         * incremental.h
1635         (Incremental_input_entry::Incremental_input_entry): Initialize new
1636         data member.
1637         (Incremental_input_entry::set_offset): Store file index.
1638         (Incremental_input_entry::get_file_index): New function.
1639         (Incremental_input_entry::file_index_): New data member.
1640         (Incremental_binary::process_got_plt): New function.
1641         (Incremental_binary::do_process_got_plt): New function.
1642         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1643         data members.
1644         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1645         (Sized_incremental_binary::set_file_is_unchanged): New function.
1646         (Sized_incremental_binary::file_is_unchanged): New function.
1647         (Sized_incremental_binary::do_process_got_plt): New function.
1648         (Sized_incremental_binary::file_status_): New data member.
1649         (Sized_incremental_binary::main_symtab_loc_): New data member.
1650         (Sized_incremental_binary::main_strtab_loc_): New data member.
1651         * output.cc (Output_data_got::Got_entry::write): Add case
1652         RESERVED_CODE.
1653         (Output_data_got::add_global): Call add_got_entry.
1654         (Output_data_got::add_global_plt): Likewise.
1655         (Output_data_got::add_global_with_rel): Likewise.
1656         (Output_data_got::add_global_with_rela): Likewise.
1657         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1658         (Output_data_got::add_global_pair_with_rela): Likewise.
1659         (Output_data_got::add_local): Call add_got_entry.
1660         (Output_data_got::add_local_plt): Likewise.
1661         (Output_data_got::add_local_with_rel): Likewise.
1662         (Output_data_got::add_local_with_rela): Likewise.
1663         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1664         (Output_data_got::add_local_pair_with_rela): Likewise.
1665         (Output_data_got::reserve_slot): New function.
1666         (Output_data_got::reserve_slot_for_global): New function.
1667         (Output_data_got::add_got_entry): New function.
1668         (Output_data_got::add_got_entry_pair): New function.
1669         (Output_section::add_output_section_data): Edit FIXME.
1670         * output.h
1671         (Output_section_data_build::Output_section_data_build): New
1672         constructor with size parameter.
1673         (Output_data_space::Output_data_space): Likewise.
1674         (Output_data_got::Output_data_got): Initialize new data member; new
1675         constructor with size parameter.
1676         (Output_data_got::add_constant): Call add_got_entry.
1677         (Output_data_got::reserve_slot): New function.
1678         (Output_data_got::reserve_slot_for_global): New function.
1679         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1680         (Output_data_got::add_got_entry): New function.
1681         (Output_data_got::add_got_entry_pair): New function.
1682         (Output_data_got::free_list_): New data member.
1683         * target.h (Sized_target::init_got_plt_for_update): New function.
1684         (Sized_target::register_global_plt_entry): New function.
1685         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1686         Initialize new data member; call init; add constructor with PLT count.
1687         (Output_data_plt_x86_64::init): New function.
1688         (Output_data_plt_x86_64::add_relocation): New function.
1689         (Output_data_plt_x86_64::reserve_slot): New function.
1690         (Output_data_plt_x86_64::free_list_): New data member.
1691         (Target_x86_64::init_got_plt_for_update): New function.
1692         (Target_x86_64::register_global_plt_entry): New function.
1693         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1694         incremental updates.
1695         (Output_data_plt_x86_64::add_relocation): New function.
1696         * testsuite/object_unittest.cc (Object_test): Set default options.
1697
1698 2011-05-16  Ian Lance Taylor  <iant@google.com>
1699
1700         * options.h (class General_options): Make -i a synonym for -r.
1701
1702 2011-05-16  Ian Lance Taylor  <iant@google.com>
1703
1704         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1705
1706 2011-05-10 Cary Coutant  <ccoutant@google.com>
1707
1708         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1709         strip_all (-s).
1710
1711 2011-05-06  Ian Lance Taylor  <iant@google.com>
1712
1713         * layout.cc (Layout::layout): If the output section flags change,
1714         update the ordering.
1715
1716 2011-04-25 Cary Coutant  <ccoutant@google.com>
1717
1718         * incremental-dump.cc (dump_incremental_inputs): Print local
1719         symbol info for each input file.
1720         * incremental.cc
1721         (Output_section_incremental_inputs::set_final_data_size): Add local
1722         symbol info to input file entries in incremental info.
1723         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1724         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1725         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1726         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1727         implementation.
1728         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1729         (Sized_incr_relobj::do_relocate): Write the local symbols.
1730         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1731         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1732         Adjust size of input file header.
1733         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1734         (Incremental_inputs_reader::get_local_symbol_count): New function.
1735         (Incremental_inputs_reader::get_input_section): Adjust size of input
1736         file header.
1737         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1738         (Sized_incr_relobj::This): New typedef.
1739         (Sized_incr_relobj::sym_size): New const data member.
1740         (Sized_incr_relobj::Local_symbol): New struct.
1741         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1742         (Sized_incr_relobj::do_local_symbol_offset): New function.
1743         (Sized_incr_relobj::local_symbol_count_): New data member.
1744         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1745         (Sized_incr_relobj::local_symbol_index_): New data member.
1746         (Sized_incr_relobj::local_symbol_offset_): New data member.
1747         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1748         (Sized_incr_relobj::local_symbols_): New data member.
1749         * object.h (Relobj::output_local_symbol_count): New function.
1750         (Relobj::local_symbol_offset): New function.
1751         (Relobj::do_output_local_symbol_count): New function.
1752         (Relobj::do_local_symbol_offset): New function.
1753         (Sized_relobj::do_output_local_symbol_count): New function.
1754         (Sized_relobj::do_local_symbol_offset): New function.
1755
1756 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1757
1758         * descriptors.cc (set_close_on_exec): New function.
1759         (Descriptors::open): Use set_close_on_exec.
1760         * output.cc (S_ISLNK): Define if not defined.
1761
1762 2011-04-22 Cary Coutant  <ccoutant@google.com>
1763
1764         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1765         global symbol map.
1766         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1767         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1768         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1769         relocations.
1770         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1771         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1772         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1773         * incremental.h
1774         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1775         function.
1776         (Incremental_binary::apply_incremental_relocs): New function.
1777         (Incremental_binary::do_apply_incremental_relocs): New function.
1778         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1779         data member.
1780         (Sized_incremental_binary::add_global_symbol): New function.
1781         (Sized_incremental_binary::global_symbol): New function.
1782         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1783         (Sized_incremental_binary::symbol_map_): New data member.
1784         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1785         * target.h (Sized_target::apply_relocation): New function.
1786         * target-reloc.h (apply_relocation): New function.
1787         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1788
1789 2011-04-22  Doug Kwan  <dougkwan@google.com>
1790
1791         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1792         flag of a SHT_ARM_EXIDX section.
1793         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1794         * testsuite/Makefile.in: Regenerate.
1795         * testsuite/arm_exidx_test.s: New file.
1796         * testsuite/arm_exidx_test.sh: Same.
1797
1798 2011-04-20 Cary Coutant  <ccoutant@google.com>
1799
1800         PR gold/12689
1801         * archive.h (Incremental_archive_entry::Archive_member):
1802         Initialize arg_serial_ (second constructor).
1803
1804 2011-04-17  Ian Lance Taylor  <iant@google.com>
1805
1806         * object.cc (Relocate_info::location): Simplify location string.
1807         * errors.cc (Errors::error_at_location): Don't print program
1808         name.
1809         (Errors::warning_at_location): Likewise.
1810         (Errors::undefined_symbol): Likewise.
1811         * testsuite/debug_msg.sh: Update accordingly.
1812
1813 2011-04-14 Cary Coutant  <ccoutant@google.com>
1814
1815         * gold/layout.cc (Layout::symtab_section_offset): New function.
1816         * gold/layout.h (Layout::symtab_section_offset): New function.
1817         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1818
1819 2011-04-12  Ian Lance Taylor  <iant@google.com>
1820
1821         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1822         with MREMAP_MAYMOVE.
1823         * output.h (class Output_file): Add map_is_allocated_ field.
1824         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1825         not available, provide stubs.  If mremap is not available, #define
1826         it to gold_mremap.
1827         (MREMAP_MAYMOVE): Define if not defined.
1828         (Output_file::Output_file): Initialize map_is_allocated_.
1829         (Output_file::resize): Check map_is_allocated_.
1830         (Output_file::map_anonymous): If mmap fails, use malloc.
1831         (Output_file::unmap): Don't do anything for an anonymous map.
1832         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1833         is not available, provide stubs.
1834         (File_read::View::~View): Use free rather than delete[].
1835         (File_read::make_view): Use malloc rather than new[].  If mmap
1836         fails, use malloc.
1837         (File_read::find_or_make_view): Use malloc rather than new[].
1838         * gold.h: Remove HAVE_REMAP code.
1839         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1840         exists.  Rename mremap to gold_mremap.  If mmap is not available
1841         don't do anything.
1842         * configure, config.in: Rebuild.
1843
1844 2011-04-11  Ian Lance Taylor  <iant@google.com>
1845
1846         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1847         initialize local variable v.
1848
1849 2011-04-11  Cary Coutant  <ccoutant@google.com>
1850
1851         * archive.cc (Archive::include_member): Adjust call to
1852         report_object.
1853         (Add_archive_symbols::run): Track argument serial numbers.
1854         (Lib_group::include_member): Likewise.
1855         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1856         * archive.h (Incremental_archive_entry::Archive_member):
1857         Initialize arg_serial_.
1858         (Archive_member::arg_serial_): New data member.
1859         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1860         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1861         incremental link.
1862         (Sized_dynobj::do_for_all_local_got_entries): New function.
1863         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1864         function.
1865         * fileread.cc (get_mtime): New function.
1866         * fileread.h (get_mtime): New function.
1867         * gold.cc (queue_initial_tasks): Check for incremental update.
1868         (process_incremental_input): New function.
1869         (queue_middle_tasks): Don't force valid target for incremental
1870         update.
1871         * incremental-dump.cc (find_input_containing_global): Adjust
1872         size of symbol info entry.
1873         (dump_incremental_inputs): Dump argument serial number and
1874         in_system_directory flag; bias shndx by 1; print symbol names
1875         when dumping per-file symbol lists; use new symbol info readers.
1876         * incremental.cc
1877         (Output_section_incremental_inputs:update_data_size): New function.
1878         (Sized_incremental_binary::setup_readers): Setup input readers
1879         for each input file; build maps for files added from libraries
1880         and scripts.
1881         (Sized_incremental_binary::check_input_args): New function.
1882         (Sized_incremental_binary::do_check_inputs): Build map of argument
1883         serial numbers to input arguments.
1884         (Sized_incremental_binary::do_file_has_changed): Rename
1885         do_file_is_unchanged to this; compare file modification times.
1886         (Sized_incremental_binary::do_init_layout): New function.
1887         (Sized_incremental_binary::do_reserve_layout): New function.
1888         (Sized_incremental_binary::do_get_input_reader): Remove.
1889         (Sized_incremental_binary::get_symtab_view): New function.
1890         (Incremental_checker::can_incrementally_link_output_file): Remove.
1891         (Incremental_inputs::report_command_line): Exclude --debug options.
1892         (Incremental_inputs::report_archive_begin): Add parameter; track
1893         argument serial numbers; don't put input file entry for archive
1894         before archive members.
1895         (Incremental_inputs::report_archive_end): Put input file entry
1896         for archive after archive members.
1897         (Incremental_inputs::report_object): Add parameter; track argument
1898         serial numbers and in_system_directory flag.
1899         (Incremental_inputs::report_script): Add parameter; track argument
1900         serial numbers.
1901         (Output_section_incremental_inputs::set_final_data_size): Adjust
1902         size of symbol info entry; check for forwarding symbols.
1903         (Output_section_incremental_inputs::write_input_files): Write
1904         in_system_directory flag and argument serial number.
1905         (Output_section_incremental_inputs::write_info_blocks): Map section
1906         indices between incremental info and original input file; store
1907         input section index for each symbol.
1908         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1909         change operator() to visit().
1910         (class Global_got_offset_visitor): Likewise.
1911         (class Global_symbol_visitor_got_plt):
1912         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1913         classes.
1914         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1915         (Sized_incr_relobj::do_read_symbols): New function.
1916         (Sized_incr_relobj::do_layout): New function.
1917         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1918         (Sized_incr_relobj::do_add_symbols): New function.
1919         (Sized_incr_relobj::do_should_include_member): New function.
1920         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1921         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1922         (Sized_incr_relobj::do_section_size): New function.
1923         (Sized_incr_relobj::do_section_name): New function.
1924         (Sized_incr_relobj::do_section_contents): New function.
1925         (Sized_incr_relobj::do_section_flags): New function.
1926         (Sized_incr_relobj::do_section_entsize): New function.
1927         (Sized_incr_relobj::do_section_address): New function.
1928         (Sized_incr_relobj::do_section_type): New function.
1929         (Sized_incr_relobj::do_section_link): New function.
1930         (Sized_incr_relobj::do_section_info): New function.
1931         (Sized_incr_relobj::do_section_addralign): New function.
1932         (Sized_incr_relobj::do_initialize_xindex): New function.
1933         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1934         (Sized_incr_relobj::do_read_relocs): New function.
1935         (Sized_incr_relobj::do_gc_process_relocs): New function.
1936         (Sized_incr_relobj::do_scan_relocs): New function.
1937         (Sized_incr_relobj::do_count_local_symbols): New function.
1938         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1939         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1940         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1941         (Sized_incr_relobj::do_relocate): New function.
1942         (Sized_incr_relobj::do_set_section_offset): New function.
1943         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1944         (Sized_incr_dynobj::do_read_symbols): New function.
1945         (Sized_incr_dynobj::do_layout): New function.
1946         (Sized_incr_dynobj::do_add_symbols): New function.
1947         (Sized_incr_dynobj::do_should_include_member): New function.
1948         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1949         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1950         (Sized_incr_dynobj::do_section_size): New function.
1951         (Sized_incr_dynobj::do_section_name): New function.
1952         (Sized_incr_dynobj::do_section_contents): New function.
1953         (Sized_incr_dynobj::do_section_flags): New function.
1954         (Sized_incr_dynobj::do_section_entsize): New function.
1955         (Sized_incr_dynobj::do_section_address): New function.
1956         (Sized_incr_dynobj::do_section_type): New function.
1957         (Sized_incr_dynobj::do_section_link): New function.
1958         (Sized_incr_dynobj::do_section_info): New function.
1959         (Sized_incr_dynobj::do_section_addralign): New function.
1960         (Sized_incr_dynobj::do_initialize_xindex): New function.
1961         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1962         (make_sized_incremental_object): New function.
1963         (Incremental_library::copy_unused_symbols): New function.
1964         (Incremental_library::do_for_all_unused_symbols): New function.
1965         * incremental.h (enum Incremental_input_flags): New type.
1966         (class Incremental_checker): Remove.
1967         (Incremental_input_entry::Incremental_input_entry): Add argument
1968         serial number.
1969         (Incremental_input_entry::arg_serial): New function.
1970         (Incremental_input_entry::set_is_in_system_directory): New function.
1971         (Incremental_input_entry::is_in_system_directory): New function.
1972         (Incremental_input_entry::arg_serial_): New data member.
1973         (Incremental_input_entry::is_in_system_directory_): New data member.
1974         (class Script_info): Move here from script.h.
1975         (Script_info::Script_info): Add filename parameter.
1976         (Script_info::filename): New function.
1977         (Script_info::filename_): New data member.
1978         (Incremental_script_entry::Incremental_script_entry): Add argument
1979         serial number.
1980         (Incremental_object_entry::Incremental_object_entry): Likewise.
1981         (Incremental_object_entry::add_input_section): Build list of input
1982         sections with map to original shndx.
1983         (Incremental_object_entry::get_input_section_index): New function.
1984         (Incremental_object_entry::shndx_): New data member.
1985         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1986         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1987         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1988         serial number.
1989         (Incremental_inputs::report_archive_begin): Likewise.
1990         (Incremental_inputs::report_object): Likewise.
1991         (Incremental_inputs::report_script): Likewise.
1992         (class Incremental_global_symbol_reader): New class.
1993         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1994         and store flags and input file type.
1995         (Incremental_input_entry_reader::arg_serial): New function.
1996         (Incremental_input_entry_reader::type): Extract type from flags.
1997         (Incremental_input_entry_reader::is_in_system_directory): New function.
1998         (Incremental_input_entry_reader::get_input_section_count): Call
1999         accessor function for type.
2000         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2001         function for type; adjust size of global symbol entry.
2002         (Incremental_input_entry_reader::get_global_symbol_count): Call
2003         accessor function for type.
2004         (Incremental_input_entry_reader::get_object_count): Likewise.
2005         (Incremental_input_entry_reader::get_object_offset): Likewise.
2006         (Incremental_input_entry_reader::get_member_count): Likewise.
2007         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2008         (Incremental_input_entry_reader::get_member_offset): Likewise.
2009         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2010         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2011         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2012         (Incremental_input_entry_reader::get_global_symbol_reader): New
2013         function.
2014         (Incremental_input_entry_reader::get_output_symbol_index): New
2015         function.
2016         (Incremental_input_entry_reader::type_): Remove.
2017         (Incremental_input_entry_reader::flags_): New data member.
2018         (Incremental_inputs_reader::input_file_offset): New function.
2019         (Incremental_inputs_reader::input_file_index): New function.
2020         (Incremental_inputs_reader::input_file): Call input_file_offset.
2021         (Incremental_inputs_reader::input_file_at_offset): New function.
2022         (Incremental_relocs_reader::get_r_type): Reformat.
2023         (Incremental_relocs_reader::get_r_shndx): Reformat.
2024         (Incremental_relocs_reader::get_r_offset): Reformat.
2025         (Incremental_relocs_reader::data): New function.
2026         (Incremental_binary::Incremental_binary): Initialize new data members.
2027         (Incremental_binary::check_inputs): Add cmdline parameter.
2028         (Incremental_binary::file_is_unchanged): Remove.
2029         (Input_reader::arg_serial): New function.
2030         (Input_reader::get_unused_symbol_count): New function.
2031         (Input_reader::get_unused_symbol): New function.
2032         (Input_reader::do_arg_serial): New function.
2033         (Input_reader::do_get_unused_symbol_count): New function.
2034         (Input_reader::do_get_unused_symbol): New function.
2035         (Incremental_binary::input_file_count): New function.
2036         (Incremental_binary::get_input_reader): Change signature to use
2037         index instead of filename.
2038         (Incremental_binary::file_has_changed): New function.
2039         (Incremental_binary::get_input_argument): New function.
2040         (Incremental_binary::get_library): New function.
2041         (Incremental_binary::get_script_info): New function.
2042         (Incremental_binary::init_layout): New function.
2043         (Incremental_binary::reserve_layout): New function.
2044         (Incremental_binary::output_file): New function.
2045         (Incremental_binary::do_check_inputs): New function.
2046         (Incremental_binary::do_file_is_unchanged): Remove.
2047         (Incremental_binary::do_file_has_changed): New function.
2048         (Incremental_binary::do_init_layout): New function.
2049         (Incremental_binary::do_reserve_layout): New function.
2050         (Incremental_binary::do_input_file_count): New function.
2051         (Incremental_binary::do_get_input_reader): Change signature.
2052         (Incremental_binary::input_args_map_): New data member.
2053         (Incremental_binary::library_map_): New data member.
2054         (Incremental_binary::script_map_): New data member.
2055         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2056         new data members.
2057         (Sized_incremental_binary::output_section): New function.
2058         (Sized_incremental_binary::inputs_reader): Add const.
2059         (Sized_incremental_binary::symtab_reader): Add const.
2060         (Sized_incremental_binary::relocs_reader): Add const.
2061         (Sized_incremental_binary::got_plt_reader): Add const.
2062         (Sized_incremental_binary::get_symtab_view): New function.
2063         (Sized_incremental_binary::Inputs_reader): New typedef.
2064         (Sized_incremental_binary::Input_entry_reader): New typedef.
2065         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2066         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2067         (Sized_incremental_binary::do_file_has_changed): New function.
2068         (Sized_incremental_binary::do_init_layout): New function.
2069         (Sized_incremental_binary::do_reserve_layout): New function.
2070         (Sized_input_reader::Inputs_reader): Remove.
2071         (Sized_input_reader::Input_entry_reader): Remove.
2072         (Sized_input_reader::do_arg_serial): New function.
2073         (Sized_input_reader::do_get_unused_symbol_count): New function.
2074         (Sized_input_reader::do_get_unused_symbol): New function.
2075         (Sized_incremental_binary::do_input_file_count): New function.
2076         (Sized_incremental_binary::do_get_input_reader): Change signature;
2077         use index instead of filename.
2078         (Sized_incremental_binary::section_map_): New data member.
2079         (Sized_incremental_binary::input_entry_readers_): New data member.
2080         (class Sized_incr_relobj): New class.
2081         (class Sized_incr_dynobj): New class.
2082         (make_sized_incremental_object): New function.
2083         (class Incremental_library): New class.
2084         * layout.cc (Free_list::num_lists): New static data member.
2085         (Free_list::num_nodes): New static data member.
2086         (Free_list::num_removes): New static data member.
2087         (Free_list::num_remove_visits): New static data member.
2088         (Free_list::num_allocates): New static data member.
2089         (Free_list::num_allocate_visits): New static data member.
2090         (Free_list::init): New function.
2091         (Free_list::remove): New function.
2092         (Free_list::allocate): New function.
2093         (Free_list::dump): New function.
2094         (Free_list::print_stats): New function.
2095         (Layout_task_runner::run): Resize output file for incremental updates.
2096         (Layout::Layout): Initialize new data members.
2097         (Layout::set_incremental_base): New function.
2098         (Layout::init_fixed_output_section): New function.
2099         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2100         incremental updates.
2101         (Layout::create_gold_note): Do not create gold note section for
2102         incremental updates.
2103         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2104         for incremental updates.
2105         (Layout::set_section_offsets): For incremental updates, allocate space
2106         from free list.
2107         (Layout::create_symtab_sections): Layout with offsets relative to
2108         start of section; for incremental updates, allocate space from free
2109         list.
2110         (Layout::create_shdrs): For incremental updates, allocate space from
2111         free list.
2112         (Layout::finish_dynamic_section): For incremental updates, do not
2113         check --as-needed (fixed in subsequent patch).
2114         * layout.h (class Free_list): New class.
2115         (Layout::set_incremental_base): New function.
2116         (Layout::incremental_base): New function.
2117         (Layout::init_fixed_output_section): New function.
2118         (Layout::allocate): New function.
2119         (Layout::incremental_base_): New data member.
2120         (Layout::free_list_): New data member.
2121         * main.cc (main): Print Free_list statistics.
2122         * object.cc (Relobj::finalize_incremental_relocs): Add
2123         clear_counts parameter; clear counts only when clear_counts is set.
2124         (Sized_relobj::Sized_relobj): Initialize new base class.
2125         (Sized_relobj::do_layout): Don't report special sections.
2126         (Sized_relobj::do_for_all_local_got_entries): New function.
2127         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2128         symtab_off to all symbol table offsets.
2129         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2130         * object.h (class Got_offset_list): Move to top of file.
2131         (Object::Object): Allow case where input_file == NULL.
2132         (Object::~Object): Likewise.
2133         (Object::input_file): Assert that input_file != NULL.
2134         (Object::lock): Allow case where input_file == NULL.
2135         (Object::unlock): Likewise.
2136         (Object::is_locked): Likewise.
2137         (Object::token): Likewise.
2138         (Object::release): Likewise.
2139         (Object::is_incremental): New function.
2140         (Object::get_mtime): New function.
2141         (Object::for_all_local_got_entries): New function.
2142         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2143         (Object::set_is_in_system_directory): New function.
2144         (Object::is_in_system_directory): New function.
2145         (Object::do_is_incremental): New function.
2146         (Object::do_get_mtime): New function.
2147         (Object::do_for_all_local_got_entries): New function.
2148         (Object::is_in_system_directory_): New data member.
2149         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2150         (class Sized_relobj_base): New class.
2151         (class Sized_relobj): Derive from Sized_relobj_base.
2152         (class Sized_relobj::Symbols): Redeclare from base class.
2153         (class Sized_relobj::local_got_offset_list): Remove.
2154         (class Sized_relobj::Output_sections): Redeclare from base class.
2155         (class Sized_relobj::do_for_all_local_got_entries): New function.
2156         (class Sized_relobj::write_local_symbols): Add offset parameter.
2157         (class Sized_relobj::local_symbol_offset_): Update comment.
2158         (class Sized_relobj::local_dynsym_offset_): Update comment.
2159         * options.cc (Input_arguments::add_file): Remove const.
2160         * options.h (Input_file_argument::Input_file_argument):
2161         Initialize arg_serial_ (all constructors).
2162         (Input_file_argument::set_arg_serial): New function.
2163         (Input_file_argument::arg_serial): New function.
2164         (Input_file_argument::arg_serial_): New data member.
2165         (Input_arguments::Input_arguments): Initialize file_count_.
2166         (Input_arguments::add_file): Remove const.
2167         (Input_arguments::number_of_input_files): New function.
2168         (Input_arguments::file_count_): New data member.
2169         (Command_line::number_of_input_files): Call
2170         Input_arguments::number_of_input_files.
2171         * output.cc (Output_segment_headers::Output_segment_headers):
2172         Set current size.
2173         (Output_section::Input_section::current_data_size): New function.
2174         (Output_section::Output_section): Initialize new data members.
2175         (Output_section::add_input_section): Don't do merge sections for
2176         an incremental link; allocate space from free list for an
2177         incremental update.
2178         (Output_section::add_output_section_data): Allocate space from
2179         free list for an incremental update.
2180         (Output_section::update_data_size): New function.
2181         (Output_section::set_fixed_layout): New function.
2182         (Output_section::reserve): New function.
2183         (Output_segment::set_section_addresses): Remove const.
2184         (Output_segment::set_section_list_addresses): Remove const; allocate
2185         space from free list for an incremental update.
2186         (Output_segment::set_offset): Adjust size of RELRO segment for an
2187         incremental update.
2188         * output.h (Output_data::current_data_size): Move here from
2189         child classes.
2190         (Output_data::pre_finalize_data_size): New function.
2191         (Output_data::update_data_size): New function.
2192         (Output_section_headers::update_data_size): new function.
2193         (Output_section_data_build::current_data_size): Move to Output_data.
2194         (Output_data_strtab::update_data_size): New function.
2195         (Output_section::current_data_size): Move to Output_data.
2196         (Output_section::set_fixed_layout): New function.
2197         (Output_section::has_fixed_layout): New function.
2198         (Output_section::reserve): New function.
2199         (Output_section::update_data_size): New function.
2200         (Output_section::has_fixed_layout_): New data member.
2201         (Output_section::free_list_): New data member.
2202         (Output_segment::set_section_addresses): Remove const.
2203         (Output_segment::set_section_list_addresses): Remove const.
2204         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2205         New function.
2206         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2207         New function.
2208         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2209         parameter when calling Add_symbols constructor; store argument
2210         serial number for members of a lib group.
2211         (Add_symbols::locks): Allow case where token == NULL.
2212         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2213         (Read_member::~Read_member): New function.
2214         (Read_member::is_runnable): New function.
2215         (Read_member::locks): New function.
2216         (Read_member::run): New function.
2217         (Check_script::~Check_script): New function.
2218         (Check_script::is_runnable): New function.
2219         (Check_script::locks): New function.
2220         (Check_script::run): New function.
2221         (Check_library::~Check_library): New function.
2222         (Check_library::is_runnable): New function.
2223         (Check_library::locks): New function.
2224         (Check_library::run): New function.
2225         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2226         (Add_symbols::library_): New data member.
2227         (class Read_member): New class.
2228         (class Check_script): New class.
2229         (class Check_library): New class.
2230         * reloc.cc (Read_relocs::is_runnable): Allow case where
2231         token == NULL.
2232         (Read_relocs::locks): Likewise.
2233         (Scan_relocs::locks): Likewise.
2234         (Relocate_task::locks): Likewise.
2235         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2236         to clear counters.
2237         (Sized_relobj::incremental_relocs_scan): Fix comment.
2238         (Sized_relobj::do_relocate): Pass output file offset to
2239         write_local_symbols.
2240         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2241         from class declaration.
2242         * script.cc (read_input_script): Allocate Script_info; pass
2243         argument serial number to report_script.
2244         * script.h (class Script_info): Move to incremental.h.
2245         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2246         * symtab.h (Symbol_table::add_from_incrobj): New function.
2247         (Symbol_table::set_file_offset): New function.
2248
2249 2011-04-05  Cary Coutant  <ccoutant@google.com>
2250
2251         * incremental-dump.cc (dump_incremental_inputs): Change signature
2252         to take a Sized_incremental_binary; change caller.  Use readers
2253         in Sized_incremental_binary.
2254         * incremental.cc
2255         (Sized_incremental_binary::find_incremental_inputs_sections):
2256         Rename do_find_incremental_inputs_sections to this.
2257         (Sized_incremental_binary::setup_readers): New function.
2258         (Sized_incremental_binary::do_check_inputs): Check
2259         has_incremental_info_ flag; move setup code to setup_readers;
2260         use input readers.
2261         (Sized_incremental_binary::do_file_is_unchanged): New function.
2262         (Sized_incremental_binary::do_get_input_reader): New function.
2263         * incremental.h (class Incremental_binary): Move to end of file.
2264         (Incremental_binary::file_is_unchanged): New function.
2265         (Incremental_binary::do_file_is_unchanged): New function.
2266         (Incremental_binary::Input_reader): New class.
2267         (Incremental_binary::get_input_reader): New function.
2268         (class Sized_incremental_binary): Move to end of file.
2269         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2270         input section reader classes.
2271         (Sized_incremental_binary::has_incremental_info): New function.
2272         (Sized_incremental_binary::inputs_reader): New function.
2273         (Sized_incremental_binary::symtab_reader): New function.
2274         (Sized_incremental_binary::relocs_reader): New function.
2275         (Sized_incremental_binary::got_plt_reader): New function.
2276         (Sized_incremental_binary::do_file_is_unchanged): New function.
2277         (Sized_incremental_binary::Sized_input_reader): New class.
2278         (Sized_incremental_binary::get_input_reader): New function.
2279         (Sized_incremental_binary::find_incremental_inputs_sections):
2280         Rename do_find_incremental_inputs_sections to this.
2281         (Sized_incremental_binary::setup_readers): New function.
2282         (Sized_incremental_binary::has_incremental_info_): New data member.
2283         (Sized_incremental_binary::inputs_reader_): New data member.
2284         (Sized_incremental_binary::symtab_reader_): New data member.
2285         (Sized_incremental_binary::relocs_reader_): New data member.
2286         (Sized_incremental_binary::got_plt_reader_): New data member.
2287         (Sized_incremental_binary::current_input_file_): New data member.
2288
2289 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2290
2291         PR gold/12640
2292         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2293         violation.
2294
2295 2011-03-30  Cary Coutant  <ccoutant@google.com>
2296
2297         * archive.cc (Archive::include_member): Adjust call to report_object.
2298         (Add_archive_symbols::run): Add script_info to call to
2299         report_archive_begin.
2300         (Lib_group::include_member): Adjust call to report_object.
2301         (Add_lib_group_symbols::run): Adjust call to report_object.
2302         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2303         blocks.  Add object count for script input files.
2304         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2305         script_info parameter; change all callers.
2306         (Incremental_inputs::report_object): Add script_info parameter;
2307         change all callers.
2308         (Incremental_inputs::report_script): Store backpointer to
2309         incremental info entry.
2310         (Output_section_incremental_inputs::set_final_data_size): Record
2311         additional information for scripts.
2312         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2313         * incremental.h (Incremental_script_entry::add_object): New function.
2314         (Incremental_script_entry::get_object_count): New function.
2315         (Incremental_script_entry::get_object): New function.
2316         (Incremental_script_entry::objects_): New data member; adjust
2317         constructor.
2318         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2319         (Incremental_inputs::report_object): Add script_info parameter.
2320         (Incremental_inputs_reader::get_object_count): New function.
2321         (Incremental_inputs_reader::get_object_offset): New function.
2322         * options.cc (Input_arguments::add_file): Return reference to
2323         new input argument.
2324         * options.h (Input_argument::set_script_info): New function.
2325         (Input_argument::script_info): New function.
2326         (Input_argument::script_info_): New data member; adjust all
2327         constructors.
2328         (Input_file_group::add_file): Return reference to new input argument.
2329         (Input_file_lib::add_file): Likewise.
2330         (Input_arguments::add_file): Likewise.
2331         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2332         * script.cc (Parser_closure::Parser_closure): Add script_info
2333         parameter; adjust all callers.
2334         (Parser_closure::script_info): New function.
2335         (Parser_closure::script_info_): New data member.
2336         (read_input_script): Report scripts earlier to incremental info.
2337         (script_add_file): Set script_info in Input_argument.
2338         (script_add_library): Likewise.
2339         * script.h (Script_options::Script_info): Rewrite class.
2340
2341 2011-03-29  Cary Coutant  <ccoutant@google.com>
2342
2343         * archive.cc (Library_base::should_include_member): Move
2344         method here from class Archive.
2345         (Archive::Archive): Initialize base class.
2346         (Archive::should_include_member): Move to base class.
2347         (Archive::do_for_all_unused_symbols): New function.
2348         (Add_archive_symbols::run): Remove redundant access to
2349         incremental_inputs.
2350         (Lib_group::Lib_group): Initialize base class.
2351         (Lib_group::do_filename): New function.
2352         (Lib_group::include_member): Pass pointer to Lib_group to
2353         report_object.
2354         (Lib_group::do_for_all_unused_symbols): New function.
2355         (Add_lib_group_symbols::run): Report archive information for
2356         incremental links.
2357         * archive.h (class Library_base): New base class.
2358         (class Archive): Derive from Library_base.
2359         (Archive::filename): Move to base class.
2360         (Archive::set_incremental_info): Likewise.
2361         (Archive::incremental_info): Likewise.
2362         (Archive::Should_include): Likewise.
2363         (Archive::should_include_member): Likewise.
2364         (Archive::Armap_entry): Remove.
2365         (Archive::Unused_symbol_iterator): Remove.
2366         (Archive::unused_symbols_begin): Remove.
2367         (Archive::unused_symbols_end): Remove.
2368         (Archive::do_filename): New function.
2369         (Archive::do_get_mtime): New function.
2370         (Archive::do_for_all_unused_symbols): New function.
2371         (Archive::task_): Move to base class.
2372         (Archive::incremental_info_): Likewise.
2373         (class Lib_group): Derive from Library_base.
2374         (Lib_group::do_filename): New function.
2375         (Lib_group::do_get_mtime): New function.
2376         (Lib_group::do_for_all_unused_symbols): New function.
2377         (Lib_group::task_): Move to base class.
2378         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2379         function.
2380         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2381         function.
2382         * incremental.cc (Incremental_inputs::report_archive_begin):
2383         Use Library_base; call library's get_mtime; add incremental inputs
2384         entry before members.
2385         (class Unused_symbol_visitor): New class.
2386         (Incremental_inputs::report_archive_end): Use Library_base; use
2387         visitor class to record unused symbols; don't add incremental inputs
2388         entry after members.
2389         (Incremental_inputs::report_object): Use Library_base.
2390         * incremental.h
2391         (Incremental_archive_entry::Incremental_archive_entry): Remove
2392         unused Archive parameter.
2393         (Incremental_inputs::report_archive_begin): Use Library_base.
2394         (Incremental_inputs::report_archive_end): Likewise.
2395         (Incremental_inputs::report_object): Likewise.
2396         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2397         function.
2398         * object.h (Object::for_all_global_symbols): New function.
2399         (Object::do_for_all_global_symbols): New function.
2400         (Sized_relobj::do_for_all_global_symbols): New function.
2401         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2402         function.
2403         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2404         function.
2405
2406 2011-03-27  Ian Lance Taylor  <iant@google.com>
2407
2408         * archive.cc (Archive::interpret_header): Return -1 if something
2409         goes wrong.  Change callers accordingly.
2410
2411 2011-03-25  Cary Coutant  <ccoutant@google.com>
2412
2413         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2414         * testsuite/Makefile.in: Regenerate.
2415
2416 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2417
2418         * plugin.cc (get_view): New.
2419         (Plugin::load): Pass get_view to the plugin.
2420         (Plugin_manager::get_view): New.
2421
2422 2011-03-21  Ian Lance Taylor  <iant@google.com>
2423
2424         * testsuite/final_layout.sh: Rewrite to not use dc.
2425         * testsuite/relro_test.sh: Fail if dc is not present.
2426
2427 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2428
2429         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2430         Change == to -eq.
2431         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2432         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2433         Change == to -eq.
2434         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2435         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2436
2437 2011-03-14  Ian Lance Taylor  <iant@google.com>
2438
2439         * script-sections.cc (Sort_output_sections::script_compare):
2440         Rename from is_before, change return type.
2441         (Sort_output_sections::operator()): Adjust accordingly.
2442
2443 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2444
2445         PR gold/12572
2446         * testsuite/odr_violation2.cc: Add comment to make all error line
2447         numbers double digits.
2448         * testsuite/debug_msg.sh: Adjust expected errors.
2449
2450 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2451
2452         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2453         but mark earlier ones as non-canonical
2454         (offset_to_iterator): Update search target and example
2455         (do_addr2line): Return extra lines in a vector*
2456         (format_file_lineno): Extract from do_addr2line
2457         (one_addr2line): Add vector* out-param
2458         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2459         when a lineno entry appeared last for its instruction
2460         (Dwarf_line_info): Add vector* out-param
2461         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2462         * symtab.cc (Odr_violation_compare): Include the lineno in the
2463         comparison again.
2464         (linenos_from_loc): New. Combine the canonical line for an
2465         address with its other lines.
2466         (True_if_intersect): New. Helper functor to make
2467         std::set_intersection a query.
2468         (detect_odr_violations): Compare sets of lines instead of just
2469         one line for each function. This became less deterministic, but
2470         has fewer false positives.
2471         * symtab.h: Declarations.
2472         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2473         mix an optimized and non-optimized object in the same binary
2474         (odr_violation2.so): Same.
2475         * testsuite/Makefile.in: Regenerate from Makefile.am.
2476         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2477         * testsuite/debug_msg.sh: Update line numbers and add
2478         assertions.
2479         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2480         non-optimized context.
2481         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2482         isn't inlined, and use OdrDerived in an optimized context.
2483         * testsuite/odr_header1.h: Defines OdrDerived, where
2484         optimization will change the
2485         first-instruction-in-the-destructor's file and line number.
2486         * testsuite/odr_header2.h: Defines OdrBase.
2487
2488 2011-03-09  Ian Lance Taylor  <iant@google.com>
2489
2490         * fileread.cc (File_read::clear_views): Don't delete the whole
2491         file view.
2492
2493 2011-03-08  Ian Lance Taylor  <iant@google.com>
2494
2495         PR gold/12525
2496         * fileread.cc: #include <climits>.
2497         (GOLD_IOV_MAX): Define.
2498         (File_read::read_multiple): Limit number of entries by iov_max.
2499         * fileread.h (class File_read): Always set max_readv_entries to
2500         128.
2501
2502 2011-03-07  Ian Lance Taylor  <iant@google.com>
2503
2504         PR gold/12525
2505         * options.h (class General_options): Add -dy and -dn.
2506
2507 2011-03-02  Cary Coutant  <ccoutant@google.com>
2508
2509         * testsuite/script_test_9.t: Add TLS segment.
2510
2511 2011-03-02  Simon Baldwin  <simonb@google.com>
2512
2513         * configure.ac: Add check for gnu_indirect_function support in
2514         the toolchain building binutils.
2515         * configure: Rebuild.
2516
2517 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2518
2519         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2520         plugin only symbols.
2521         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2522         in plugin files as not needed in the symbol table.
2523
2524 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2525
2526         * output.cc (Output_section::add_input_section): Delay fill
2527         generation for section ordering.
2528
2529 2011-02-09  Ian Lance Taylor  <iant@google.com>
2530
2531         PR gold/12316
2532         * object.h (class Sized_relobj): Remove clear_local_symbols.
2533         * reloc.cc (Sized_relobj::do_relocate): Don't call
2534         clear_local_symbols.
2535
2536 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2537
2538         * plugin.cc (is_visible_from_outside): Return true for symbols
2539         in the -u option.
2540
2541 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2542
2543         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2544         filename.
2545
2546 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2547
2548         * icf.h (is_section_foldable_candidate): Change type of parameter
2549         to std::string.
2550         * icf.cc (Icf::find_identical_sections): Change type of local variable
2551         section_name to be std::string.
2552         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2553
2554 2011-01-25  Ian Lance Taylor  <iant@google.com>
2555
2556         * script.cc (script_add_extern): Rewrite to use
2557         add_symbol_reference.
2558
2559 2011-01-25  Doug Kwan  <dougkwan@google.com>
2560
2561         * icf.cc (get_section_contents): Always lock section's object.
2562
2563 2011-01-24  Ian Lance Taylor  <iant@google.com>
2564
2565         * options.h (class General_options): Accept
2566         --no-detect-odr-violations.
2567
2568 2011-01-24  Ian Lance Taylor  <iant@google.com>
2569
2570         * version.cc (version_string): Bump to 1.11.
2571
2572 2011-01-24  Ian Lance Taylor  <iant@google.com>
2573
2574         * plugin.cc (class Plugin_rescan): Define new class.
2575         (Plugin_manager::claim_file): Set any_claimed_.
2576         (Plugin_manager::save_archive): New function.
2577         (Plugin_manager::save_input_group): New function.
2578         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2579         necessary.
2580         (Plugin_manager::new_undefined_symbol): New function.
2581         (Plugin_manager::rescan): New function.
2582         (Plugin_manager::rescannable_defines): New function.
2583         (Plugin_manager::add_input_file): Set any_added_.
2584         * plugin.h (class Plugin_manager): define new fields rescannable_,
2585         undefined_symbols_, any_claimed_, and any_added_.  Declare
2586         Plugin_rescan as friend.  Declare new functions.
2587         (Plugin_manager::Rescannable): Define type.
2588         (Plugin_manager::Rescannable_list): Define type.
2589         (Plugin_manager::Undefined_symbol_list): Define type.
2590         (Plugin_manager::Plugin_manager): Initialize new fields.
2591         * archive.cc (Archive::defines_symbol): New function.
2592         (Add_archive_symbols::run): Pass archive to plugins if any.
2593         * archive.h (class Archive): Declare defines_symbol.
2594         * readsyms.cc (Input_group::~Input_group): New function.
2595         (Finish_group::run): Pass input_group to plugins if any.
2596         * readsyms.h (class Input_group): Declare destructor.
2597         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2598         any.
2599
2600 2011-01-10  Ian Lance Taylor  <iant@google.com>
2601
2602         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2603         section as relro.
2604         (Layout::set_segment_offsets): Reset increase_relro before calling
2605         set_section_addresses a second time.
2606
2607 2011-01-04  Cary Coutant  <ccoutant@google.com>
2608
2609         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2610         sections before NOBITS sections.
2611
2612 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2613
2614         * version.cc (print_version): Update copyright to 2011.
2615
2616 2010-12-23  Cary Coutant  <ccoutant@google.com>
2617
2618         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2619         of OS to this->add.  Add OD parameter to second form of the function.
2620
2621 2010-12-20  Ian Lance Taylor  <iant@google.com>
2622
2623         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2624         second of two consecutive entries with same offset.
2625
2626 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2627
2628         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2629         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2630         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2631         to avoid unneeded links against $(LDADD).
2632         * testsuite/Makefile.in: Regenerate.
2633
2634 2010-12-15  Ian Lance Taylor  <iant@google.com>
2635
2636         PR gold/12324
2637         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2638         for R_X86_64_32 and R_X86_64_PC32.
2639         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2640         ver_matching_def_pic.o.
2641         (ver_matching_def_pic.o): New target.
2642
2643 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2644
2645         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2646         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2647         Move definition before File_read::View member definitions.
2648         (File_read::View::~View): Initialize and hold lock before
2649         updating current_mapped_bytes.
2650
2651 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2652
2653         * dwarf_reader.cc: Remove outdated comment.
2654         * gold-threads.cc: Fix typo in error message.
2655         * archive.cc: Fix typos in comments.
2656         * archive.h: Likewise.
2657         * arm-reloc-property.cc: Likewise.
2658         * arm-reloc-property.h: Likewise.
2659         * arm-reloc.def: Likewise.
2660         * arm.cc: Likewise.
2661         * attributes.h: Likewise.
2662         * cref.cc: Likewise.
2663         * ehframe.cc: Likewise.
2664         * fileread.h: Likewise.
2665         * gold.h: Likewise.
2666         * i386.cc: Likewise.
2667         * icf.cc: Likewise.
2668         * incremental.h: Likewise.
2669         * int_encoding.cc: Likewise.
2670         * layout.h: Likewise.
2671         * main.cc: Likewise.
2672         * merge.h: Likewise.
2673         * object.cc: Likewise.
2674         * object.h: Likewise.
2675         * options.cc: Likewise.
2676         * readsyms.cc: Likewise.
2677         * reduced_debug_output.cc: Likewise.
2678         * reloc.cc: Likewise.
2679         * script-sections.cc: Likewise.
2680         * sparc.cc: Likewise.
2681         * symtab.h: Likewise.
2682         * target-reloc.h: Likewise.
2683         * target.cc: Likewise.
2684         * target.h: Likewise.
2685         * timer.cc: Likewise.
2686         * timer.h: Likewise.
2687         * x86_64.cc: Likewise.
2688
2689 2010-12-09  Cary Coutant  <ccoutant@google.com>
2690
2691         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2692         stack.
2693         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2694         parameter; change all callers.
2695         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2696         * options.h (warn_execstack): New option.
2697
2698 2010-12-07  Doug Kwan  <dougkwan@google.com>
2699
2700         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2701         like function call relocations.
2702
2703 2010-12-07  Ian Lance Taylor  <iant@google.com>
2704
2705         * archive.cc (Archive::get_elf_object_for_member): Permit
2706         punconfigured to be NULL.
2707         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2708         (Archive::include_member): Pass NULL to get_elf_object_for_member
2709         if we searched for the archive and this is the first included
2710         object.
2711
2712 2010-12-01  Ian Lance Taylor  <iant@google.com>
2713
2714         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2715         track_relocs_type_ field.
2716         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2717         Set track_relocs_type_.
2718         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2719         contents when using RELA relocs.
2720         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2721         reloc_map_.
2722         * reloc.cc (Track_relocs::next_addend): New function.
2723         * reloc.h (class Track_relocs): Declare next_addend.
2724
2725 2010-12-01  Ian Lance Taylor  <iant@google.com>
2726
2727         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2728         virtual destructor.
2729
2730 2010-12-01  Ian Lance Taylor  <iant@google.com>
2731
2732         * README: Update compilers known to work and fail.
2733
2734 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2735
2736         * configure.in: For --enable-gold, handle value `default' instead of
2737         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2738         not the default.
2739         * configure: Regenerate.
2740
2741 2010-11-18  Doug Kwan  <dougkwan@google.com>
2742
2743         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2744         and right_alignment to be zero.  Store result alignment only if it is
2745         greater than existing alignment.
2746
2747 2010-11-16  Cary Coutant  <ccoutant@google.com>
2748
2749         PR gold/12220
2750         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2751         Check for ".zdebug_line".
2752
2753 2010-11-16  Doug Kwan  <dougkwan@google.com>
2754             Cary Coutant  <ccoutant@google.com>
2755
2756         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2757         by reference; adjust all callers.
2758         * output.cc (Output_segment::set_section_addresses): Adjust references
2759         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2760         list is empty.
2761         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2762         end at page boundary.
2763
2764 2010-11-16  Cary Coutant  <ccoutant@google.com>
2765
2766         PR gold/12220
2767         * layout.cc (Layout::choose_output_section): Transform names of
2768         compressed sections even when using a script with a SECTIONS clause.
2769         (Layout::output_section_name): Remove code to transform
2770         compressed debug section names.
2771         * output.cc (Output_section::add_input_section): Use uncompressed
2772         section size when tracking input sections.
2773
2774 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2775
2776         * symtab.h (Symbol::NON_PIC_REF): Remove.
2777         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2778         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2779         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2780         (Symbol::use_plt_offset): Take a flags argument and pass it
2781         directly to needs_dynamic_reloc.  Restrict check for undefined
2782         weak symbols to function calls.
2783         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2784         (Target_arm::Scan::global): Use it.
2785         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2786         (Target_arm::Relocate::relocate): Likewise.
2787         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2788         parameter with an r_type parameter.  Use get_reference_flags
2789         to get the flags.
2790         (Target_arm::Relocate::relocate): Update accordingly.
2791         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2792         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2793         (Target_i386::Scan::global): Likewise.
2794         (Target_i386::Relocate::relocate): Likewise.
2795         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2796         parameter with an r_type parameter.  Use get_reference_flags
2797         to get the flags.
2798         (Target_i386::Relocate::relocate): Update accordingly.
2799         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2800         (Target_powerpc::Scan::global): Use it.
2801         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2802         (Target_powerpc::Relocate::relocate): Likewise.
2803         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2804         (Target_sparc::Scan::global): Use it.
2805         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2806         (Target_sparc::Relocate::relocate): Likewise.
2807         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2808         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2809         (Target_x86_64::Scan::global): Likewise.
2810         (Target_x86_64::Relocate::relocate): Likewise.
2811
2812 2010-11-08  Doug Kwan  <dougkwan@google.com>
2813             Cary Coutant  <ccoutant@google.com>
2814
2815         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2816         (Arm_exidx_merge_section::section_contents_): New data member.
2817         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2818         (Arm_input_section::~Arm_input_section): De-allocate memory.
2819         (Arm_input_section::original_contents_): New data member.
2820         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2821         in parameters instead of calling Object::section_contents without
2822         locking.
2823         (Arm_output_section::group_section): New parameter TASK.  Pass it
2824         to callees that need locking objects.
2825         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2826         to lock EXIDX input sections.  Fix a formatting issue.  Call
2827         Arm_exidx_merged_section::build_contents to create merged section
2828         contents.
2829         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2830         to lock object of stub table owner.
2831         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2832         TEXT_SIZE to initialize data member TEXT_SIZE_.
2833         (Arm_exidx_input_section::addralign): Fix typo in comment.
2834         (Arm_exidx_input_section::text_size): New method.
2835         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2836         that require locking objects.  Lock objects before scanning for stubs
2837         and updating local symbols.
2838         (Arm_input_section<big_endian>::init): Copy contents of original
2839         input section.
2840         (Arm_input_section<big_endian>::do_write): Use saved contents of
2841         original input section instead of calling Object::section_contents
2842         without locking.
2843         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2844         size without calling Object::section_size().
2845         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2846         for size.  Allocate a buffer for merged EXIDX entries.
2847         (Arm_exidx_merged_section::build_contents): New method.
2848         (Arm_exidx_merged_section::do_write): Move merge section contents
2849         building code to Arm_exidx_merged_section::build_contetns.  Write
2850         out contetns in buffer instead of building it on the fly.
2851         (Arm_relobj::make_exidx_input_section): Also pass text section size
2852         to Arm_exidx_input_section constructor.
2853         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2854         (Arm_dynobj::do_read_symbols): Fix memory leak.
2855         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2856         * target.h: (class Task): Add forward declaration.
2857         (Target::relax): Add new parameter TASK and pass it to
2858         Target::do_relax().
2859         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2860
2861 2010-11-05  Cary Coutant  <ccoutant@google.com>
2862
2863         PR gold/10708
2864         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2865         object when reading from the file.
2866         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2867         second layout pass.
2868         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2869         when reading section contents.
2870         (get_section_contents): Likewise.
2871         (icf::find_identical_sections): Likewise.
2872         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2873         object when reading from the file.
2874         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2875         the object when doing deferred section layout.
2876
2877 2010-11-03  Nick Clifton  <nickc@redhat.com>
2878
2879         PR gold/12001
2880         * script.h (class Symbol_assignment: name): New member.  Returns
2881         the name of the symbol.
2882         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2883         Returns true if the given symbol name is on the list of
2884         assignments wating to be processed.
2885         * archive.cc (should_incldue_member): If the symbol is undefined,
2886         check to see if it is on the list of symbols pending assignment.
2887
2888 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2889
2890         * script-sections.cc (Script_sections::find_memory_region): Check
2891         for a NULL output section pointer.
2892
2893 2010-10-29  Doug Kwan  <dougkwan@google.com>
2894
2895         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2896         Output_section::add_relaxed_input_section.
2897         * output.cc (Output_section::add_relaxed_input_section): Add new
2898         arguments LAYOUT and NAME.  Set section order index.
2899         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2900         Copy section order index.
2901         * output.h (Output_section::add_relaxed_input_section): Add new
2902         arguments LAYOUT and NAME.
2903
2904 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2905
2906         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2907         NATIVE_OR_CROSS_LINKER.
2908         * testsuite/Makefile.in: Regenerate.
2909
2910 2010-10-20  Doug Kwan  <dougkwan@google.com>
2911
2912         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2913         without SHF_LINK_ORDER flags.
2914         * layout.cc (Layout::choose_output_section): Do not filter
2915         SHF_LINK_ORDER flag in a relocatable link.
2916
2917 2010-10-17  Cary Coutant  <ccoutant@google.com>
2918
2919         * output.h (Output_segment::set_section_addresses): Change function
2920         signature.  Update all callers.
2921         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2922         sections.
2923         (Output_segment::set_section_addresses): Align after last TLS
2924         section.  Add padding before last relro section instead of after.
2925
2926 2010-10-17  Doug Kwan  <dougkwan@google.com>
2927
2928         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2929         GOT output section to be writable.
2930
2931 2010-10-14  Cary Coutant  <ccoutant@google.com>
2932
2933         * debug.h (DEBUG_INCREMENTAL): New flag.
2934         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2935         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2936         mode.
2937         * incremental.cc (report_command_line): Ignore all forms of
2938         --incremental.
2939         * layout.cc (Layout::Layout): Check parameters for incremental link
2940         mode.
2941         * options.cc (General_options::parse_incremental): New function.
2942         (General_options::parse_no_incremental): New function.
2943         (General_options::parse_incremental_full): New function.
2944         (General_options::parse_incremental_update): New function.
2945         (General_options::incremental_mode_): New data member.
2946         (General_options::finalize): Check incremental_mode_.
2947         * options.h (General_options): Update help text for --incremental.
2948         Add --no-incremental, --incremental-full, --incremental-update.
2949         (General_options::Incremental_mode): New enum type.
2950         (General_options::incremental_mode): New function.
2951         (General_options::incremental_mode_): New data member.
2952         * parameters.cc (Parameters::incremental_mode_): New data member.
2953         (Parameters::set_options): Set incremental_mode_.
2954         (Parameters::set_incremental_full): New function.
2955         (Parameters::incremental): New function.
2956         (Parameters::incremental_update): New function.
2957         (set_parameters_incremental_full): New function.
2958         * parameters.h (Parameters::set_incremental_full): New function.
2959         (Parameters::incremental): New function.
2960         (Parameters::incremental_update): New function.
2961         (Parameters::incremental_mode_): New data member.
2962         (set_parameters_incremental_full): New function.
2963         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2964         incremental link mode.
2965         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2966         (Sized_relobj::do_relocate_sections): Likewise.
2967         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2968         option.
2969         * testsuite/Makefile.in: Regenerate.
2970         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2971
2972 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2973
2974         * script-sections.h (class Script_sections): Make
2975         Sections_elements typedef public.
2976         * script-sections.cc (class Sort_output_sections): Add elements_
2977         field.  Add constructor which sets it; change all callers.
2978         (Sort_output_sections::is_before): New function.
2979         (Sort_output_sections::operator()): Call is_before.
2980         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2981         conditional.
2982         * testsuite/script_test_10.sh: New test. Test script section
2983         order.
2984         * testsuite/script_test_10.t: Likewise.
2985         * testsuite/script_test_10.s: Likewise.
2986         * testsuite/Makefile.am: Wrap the cross linker tests and the
2987         common tests into NATIVE_OR_CROSS_LINKER.
2988         (check_SCRIPTS): Add script_test_10.sh.
2989         (check_DATA): Add script_test_10.stdout.
2990         (script_test_10.o, script_test_10): New targets.
2991         (script_test_10.stdout): New target.
2992         * configure, testsuite/Makefile.in: Regenerate.
2993
2994 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2995
2996         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2997         error for the deprecated relocations.
2998         (Target_arm::Scan::global): Likewise.
2999         (Target_arm::Relocate::relocate): Likewise.
3000
3001 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3002
3003         * fileread.cc (Input_file::find_file): Initialize *found_name
3004         and *namep when using the fallback search for case 4.
3005
3006 2010-10-11  Cary Coutant  <ccoutant@google.com>
3007
3008         * options.h (class General_options): Redefine -z lazy as an alias for
3009         the negation of -z now.
3010
3011 2010-10-11  Ian Lance Taylor  <iant@google.com>
3012
3013         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3014         binding.
3015
3016 2010-10-06  Nick Clifton  <nickc@redhat.com>
3017
3018         * script-sections.cc(class Memory_region): Remove
3019         current_lma_offset_ field.  Rename current_vma_offset_ to
3020         current_offset_.  Add last_section_ field.
3021         (Memory_region::get_current_vma_address): Rename to
3022         get_current_address.
3023         (Memory_region::get_current_lma_address): Delete.
3024         (Memory_region::increment_vma_offset): Rename to
3025         increment_offset.
3026         (Memory_region::increment_lma_offset): Delete.
3027         (Memory_region::attributes_compatible): New method.  Returns
3028         true if the provided section is compatible with the region.
3029         (Memory_region::get_last_section): New method.  Returns the last
3030         section to use the region.
3031         (Memory_region::set_last_section): New method.  Stores the last
3032         section to use the region.
3033         (Script_sections::block_in_region): New method.  Returns true if
3034         a block of memory is contained within a region.
3035         (Script_sections::find_memory_region): New method.  Locates a
3036         memory region to be used to set a VMA or LMA address.
3037         (Output_section_definition::set_section_addresses): Add code to
3038         check for addresses set by memory regions.
3039         (Output_segment::set_section_addresses): Remove memory region
3040         walking code.
3041         (Script_sections::create_segment): Add a warning if a header
3042         segment is created outside of any region.
3043         * script-sections.h (class Script_sections): Add prototypes for
3044         find_memory_region and block_in_region methods.
3045         * testsuite/memory_test.s: Use .long instead of .word.
3046         * testsuite/memory_test.t: Add some more output sections.
3047         * testsuite/memory_test.sh: Update expected output.
3048
3049 2010-10-02  Doug Kwan  <dougkwan@google.com>
3050
3051         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3052         defintion to symtab.h
3053         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3054         declaration to defintion.
3055
3056 2010-10-01  Nick Clifton  <nickc@redhat.com>
3057
3058         * expression.cc (eval): Replace dummy argument with NULL.
3059         (eval_maybe_dot): Check for a NULL result section pointer.
3060         (Symbol_expression::value): Likewise.
3061         (Dot_expression::value): Likewise.
3062         (BINARY_EXPRESSION): Likewise.
3063         (Max_expression::value): Likewise.
3064         (Min_expression::value): Likewise.
3065         (Absolute_expression::value): Likewise.
3066         (Addr_expression::value_from_output_section): Likewise.
3067         (Loaddddr_expression::value_from_output_section): Likewise.
3068         (Segment_start_expression::value): Likewise.
3069         * script-sections.cc
3070         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3071         argument with NULL.
3072         (Sections_elememt_dot_assignment::set_section_addresses):
3073         Likewise.
3074         (Output_data_expression::do_write_to_buffer): Likewise.
3075         (Output_section_definition::finalize_symbols): Likewise.
3076         (Output_section_definition::set_section_addresses): Likewise.
3077
3078 2010-09-30  Doug Kwan  <dougkwan@google.com>
3079
3080         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3081
3082 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3083
3084         * target.h (Target::can_icf_inline_merge_sections): New virtual
3085         function.
3086         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3087         virtual function.
3088         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3089         virtual function.
3090         * icf.cc (get_section_contents): Inline merge sections only when
3091         target allows it.
3092
3093 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3094
3095         * configure: Regenerate.
3096
3097 2010-09-17  Ian Lance Taylor  <iant@google.com>
3098
3099         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3100         * testsuite/Makefile.am (memory_test.o): New target.
3101         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3102         memory_test.t.
3103         * testsuite/Makefile.in: Rebuild.
3104
3105 2010-09-17  Doug Kwan  <dougkwan@google.com>
3106
3107         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3108         defintion if relocation uses GOT entries of the symbol.
3109         * testsuite/icf_safe_test.sh: Fix test.
3110         * testsuite/icf_safe_so_test.sh: Fix test.
3111
3112 2010-09-16  Cary Coutant  <ccoutant@google.com>
3113
3114         * script_sections.cc (class Memory_region): Remove "NULL" from
3115         vector initializations.
3116
3117 2010-09-15  Cary Coutant  <ccoutant@google.com>
3118
3119         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3120         Resolve forwarding symbols.
3121
3122 2010-09-15  Doug Kwan  <dougkwan@google.com>
3123
3124         * gold/testsuite/script_test_3.t: Add ARM special sections.
3125         * gold/testsuite/script_test_4.t: Same.
3126         * gold/testsuite/script_test_5.t: Same.
3127         * gold/testsuite/script_test_6.t: Same.
3128         * gold/testsuite/script_test_7.t: Same.
3129         * gold/testsuite/script_test_7.t: Same.
3130         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3131
3132 2010-09-14  Cary Coutant  <ccoutant@google.com>
3133
3134         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3135         (Target_x86_64::Relocate::relocate_tls): Replace check for
3136         saw_tls_block_reloc_ with test for executable section.
3137
3138 2010-09-12  Cary Coutant  <ccoutant@google.com>
3139
3140         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3141         position-independent executables to shared libraries need dynamic
3142         relocations.
3143         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3144         position-independent executables.
3145         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3146         * testsuite/Makefile.in: Regenerate.
3147
3148 2010-09-10  Nick Clifton  <nickc@redhat.com>
3149
3150         PR gold/11997
3151         * testsuite/memory_test.t: Discard any sections that are not
3152         needed.
3153
3154 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3155
3156         PR gold/11996
3157         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3158         "This::" to work around a bug in gcc 4.2.
3159
3160         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3161
3162 2010-09-09  Rafael Espindola  <espindola@google.com>
3163
3164         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3165         sections with different PF_X flags in the same segment.
3166         (Layout::find_first_load_seg): Search all segments to find the first
3167         one.
3168         * options.h (rosegment): New.
3169
3170 2010-09-08  Rafael Espindola  <espindola@google.com>
3171
3172         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3173
3174 2010-09-08  Doug Kwan  <dougkwan@google.com>
3175
3176         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3177         (Arm_relobj::do_relocate_sections): Add new parameter for output
3178         file to match the parent.
3179         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3180         of local symbols instead of input values.  Update code to track
3181         changes in gold::relocate_section.
3182         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3183         (Sized_relobj::compute_final_local_value_internal): New methods.
3184         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3185         body into private version of Sized_relobj::compute_final_local_value.
3186         Call the inline method.
3187         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3188         merged symbol value if there is one.
3189         (Symbol_value::has_output_value): New method defintiion.
3190         (Sized_relobj::Compute_final_local_value_status): New enum type.
3191         (Sized_relobj::compute_final_local_value): New methods.
3192         (Sized_relobj::compute_final_local_value_internal): New methods.
3193         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3194         and arm_cortex_a8.sh.
3195         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3196         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3197         New tests.
3198         * Makefile.in: Regenerate.
3199         * testsuite/arm_bl_out_of_range.s: Update test.
3200         * testsuite/thumb_bl_out_of_range.s: Ditto.
3201         * testsuite/thumb_blx_out_of_range.s: Ditto.
3202         * testsuite/arm_branch_out_of_range.sh: New file.
3203         * testsuite/arm_cortex_a8.sh: Ditto.
3204         * testsuite/arm_cortex_a8_b.s: Ditto.
3205         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3206         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3207         * testsuite/arm_cortex_a8_bl.s: Ditto.
3208         * testsuite/arm_cortex_a8_blx.s: Ditto.
3209         * testsuite/arm_cortex_a8_local.s: Ditto.
3210         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3211         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3212
3213 2010-09-08  Rafael Espindola  <espindola@google.com>
3214
3215         * Makefile.am (memory_test.stdout): Run readelf with -W.
3216         * Makefile.in: Regenerate.
3217         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3218         64 bit output.
3219
3220 2010-09-08  Rafael Espindola  <espindola@google.com>
3221
3222         * script-sections.cc (Script_sections::add_memory_region): Convert
3223         field precision to int.
3224         * script.cc (script_set_section_region, script_set_section_region):
3225         Convert field precision to int.
3226
3227 2010-09-08  Rafael Espindola  <espindola@google.com>
3228
3229         * arm.cc (do_finalize_sections): Create the __exidx_start and
3230         __exdix_end symbols even when the section is missing.
3231
3232 2010-09-08  Nick Clifton  <nickc@redhat.com>
3233
3234         * README: Remove claim that MEMORY is not supported.
3235         * expression.cc (script_exp_function_origin)
3236         (script_exp_function_length): Move from here to ...
3237         * script.cc: ... here.
3238         (script_set_section_region, script_add_memory)
3239         (script_parse_memory_attr, script_include_directive): New
3240         functions.
3241         * script-sections.cc
3242         (class Memory_region): New class.
3243         (class Output_section_definition): Add set_memory_region,
3244         set_section_vma, set_section_lma and get_section_name methods.
3245         (class Script_Sections): Add add_memory_region,
3246         find_memory_region, find_memory_region_origin,
3247         find_memory_region_length and set_memory_region methods.
3248         Have set_section_addresses method walk the list of set memory
3249         regions.
3250         Extend the print methos to display memory regions.
3251         * script-sections.h: Add prototypes for new methods.
3252         Add enum for MEMORY region attributes.
3253         * yyscript.y: Add support for parsing MEMORY regions.
3254         * script-c.h: Add prototypes for new functions.
3255         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3256         * testsuite/Makefile.in: Regenerate.
3257         * testsuite/memory_test.sh: New script.
3258         * testsuite/memory_test.s: New assembler source file.
3259         * testsuite/memory_test.t: New linker script.
3260
3261 2010-08-27  Doug Kwan  <dougkwan@google.com>
3262
3263         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3264         reference override an existing dynamic weak reference.
3265         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3266         * testsuite/Makefile.in: Regenerate.
3267         * testsuite/dyn_weak_ref.sh: New file.
3268         * testsuite/dyn_weak_ref_1.c: Ditto.
3269         * testsuite/dyn_weak_ref_2.c: Ditto.
3270
3271 2010-08-27  Ian Lance Taylor  <iant@google.com>
3272
3273         * incremental.h (class Incremental_input_entry): Add virtual
3274         destructor.
3275
3276 2010-08-27  Ian Lance Taylor  <iant@google.com>
3277
3278         * testsuite/start_lib_test_3.c: Mark t3 as used.
3279
3280 2010-08-27  Nick Clifton  <nickc@redhat.com>
3281
3282         * options.cc (version_script): Fix small typo in previous
3283         whitespace tidyup.
3284
3285 2010-08-25  Nick Clifton  <nickc@redhat.com>
3286
3287         * archive.cc: Formatting fixes: Remove whitespace between
3288         typename and following asterisk.  Remove whitespace between
3289         function name and opening parenthesis.
3290         * archive.h: Likewise.
3291         * arm.cc: Likewise.
3292         * attributes.cc: Likewise.
3293         * attributes.h: Likewise.
3294         * common.cc: Likewise.
3295         * copy-relocs.cc: Likewise.
3296         * dirsearch.h: Likewise.
3297         * dynobj.cc: Likewise.
3298         * ehframe.cc: Likewise.
3299         * ehframe.h: Likewise.
3300         * expression.cc: Likewise.
3301         * fileread.cc: Likewise.
3302         * fileread.h: Likewise.
3303         * gc.h: Likewise.
3304         * gold-threads.cc: Likewise.
3305         * gold.cc: Likewise.
3306         * i386.cc: Likewise.
3307         * icf.h: Likewise.
3308         * incremental-dump.cc: Likewise.
3309         * incremental.cc: Likewise.
3310         * layout.cc: Likewise.
3311         * layout.h: Likewise.
3312         * main.cc: Likewise.
3313         * merge.cc: Likewise.
3314         * merge.h: Likewise.
3315         * object.cc: Likewise.
3316         * object.h: Likewise.
3317         * options.cc: Likewise.
3318         * options.h: Likewise.
3319         * output.cc: Likewise.
3320         * output.h: Likewise.
3321         * plugin.cc: Likewise.
3322         * plugin.h: Likewise.
3323         * powerpc.cc: Likewise.
3324         * reloc.cc: Likewise.
3325         * script-c.h: Likewise.
3326         * script-sections.cc: Likewise.
3327         * script.cc: Likewise.
3328         * stringpool.cc: Likewise.
3329         * symtab.cc: Likewise.
3330         * symtab.h: Likewise.
3331         * target.cc: Likewise.
3332         * timer.cc: Likewise.
3333         * timer.h: Likewise.
3334         * version.cc: Likewise.
3335         * x86_64.cc: Likewise.
3336
3337 2010-08-24  Nick Clifton  <nickc@redhat.com>
3338
3339         PR 11899
3340         * layout.cc (segment_precedes): Sort segments by their physical
3341         addresses, if they have been set.
3342
3343 2010-08-23  Cary Coutant  <ccoutant@google.com>
3344
3345         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3346         symbols data.
3347         (Lib_group::include_member): Unlock object after deleting its
3348         symbols data.
3349         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3350         the bug fixed here.
3351
3352 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3353             Cary Coutant  <ccoutant@google.com>
3354
3355         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3356         constructor, and set_blocker.
3357         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3358         readsyms_blocker_.
3359         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3360         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3361         * testsuite/Makefile.am (start_lib_test): New test case.
3362         * testsuite/Makefile.in: Regenerate.
3363         * testsuite/start_lib_test_main.c: New file.
3364         * testsuite/start_lib_test_1.c: New file.
3365         * testsuite/start_lib_test_2.c: New file.
3366         * testsuite/start_lib_test_3.c: New file.
3367
3368 2010-08-19  Ian Lance Taylor  <iant@google.com>
3369
3370         * Makefile.in: Rebuild with automake 1.11.1.
3371         * aclocal.m4: Likewise.
3372         * testsuite/Makefile.in: Likewise.
3373
3374 2010-08-19  Ian Lance Taylor  <iant@google.com>
3375
3376         PR 10893
3377         * i386.cc (class Output_data_plt_i386): Update declarations.
3378         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3379         local_ifuncs_ fields.
3380         (Target_i386::do_plt_section_for_global): New function.
3381         (Target_i386::do_plt_section_for_local): New function.
3382         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3383         parameter; change all callers.  Initialize global_ifuncs_ and
3384         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3385         __rel_iplt_end.
3386         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3387         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3388         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3389         symbols.
3390         (Target_i386::make_plt_section): New function, broken out of
3391         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3392         (Target_i386::make_plt_entry): Call make_plt_section.
3393         (Target_i386::make_local_ifunc_plt_entry): New function.
3394         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3395         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3396         R_386_IRELATIVE to switch.
3397         (Target_i386::Scan::global): Likewise.
3398         (Target_i386::Relocate::relocate): Likewise.
3399         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3400         switch.
3401         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3402         (Target_x86_64::do_plt_section_for_global): New function.
3403         (Target_x86_64::do_plt_section_for_local): New function.
3404         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3405         parameter; change all callers.  If doing a static link define
3406         __rela_iplt_start and __rela_iplt_end.
3407         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3408         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3409         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3410         to point to .plt.
3411         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3412         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3413         switch.
3414         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3415         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3416         R_X86_64_IRELATIVE to switch.
3417         (Target_x86_64::Scan::global): Likewise.
3418         (Target_x86_64::Relocate::relocate): Likewise.
3419         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3420         switch.
3421         * target.h (class Target): Add plt_section_for_global and
3422         plt_section_for_local functions.  Add do_plt_section_for_global
3423         and do_plt_section_for_local virtual functions.
3424         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3425         clarifying comments.
3426         (Symbol::use_plt_offset): Handle IFUNC symbol.
3427         * object.cc (Sized_relobj::Sized_relobj): Initialize
3428         local_plt_offsets_.
3429         (Sized_relobj::local_has_plt_offset): New function.
3430         (Sized_relobj::local_plt_offset): New function.
3431         (Sized_relobj::set_local_plt_offset): New function.
3432         (Sized_relobj::do_count): Handle IFUNC symbol.
3433         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3434         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3435         is_ifunc_symbol functions.
3436         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3437         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3438         local_plt_offsets_ field.
3439         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3440         * output.h (class Output_section_data): Add non-const
3441         output_section function.
3442         (class Output_data_got): Update declarations.
3443         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3444         Add use_plt_offset parameter to global and local constructors.
3445         Change all callers.  Change local_sym_index_ field to 31 bits.
3446         Change GSYM_CODE and CONSTANT_CODE accordingly.
3447         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3448         doing a static link don't set sh_link field.
3449         (Output_data_got::Got_entry::write): Use PLT offset if
3450         appropriate.
3451         (Output_data_got::add_global_plt): New function.
3452         (Output_data_got::add_local_plt): New function.
3453         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3454         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3455         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3456         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3457         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3458         IFUNC conditional.
3459         * testsuite/ifunc-sel.h: New file.
3460         * testsuite/ifuncmain1.c: New file.
3461         * testsuite/ifuncmain1vis.c: New file.
3462         * testsuite/ifuncmod1.c: New file.
3463         * testsuite/ifuncdep2.c: New file.
3464         * testsuite/ifuncmain2.c: New file.
3465         * testsuite/ifuncmain3.c: New file.
3466         * testsuite/ifuncmod3.c: New file.
3467         * testsuite/ifuncmain4.c: New file.
3468         * testsuite/ifuncmain5.c: New file.
3469         * testsuite/ifuncmod5.c: New file.
3470         * testsuite/ifuncmain6pie.c: New file.
3471         * testsuite/ifuncmod6.c: New file.
3472         * testsuite/ifuncmain7.c: New file.
3473         * configure, testsuite/Makefile.in: Rebuild.
3474
3475 2010-08-18  Ian Lance Taylor  <iant@google.com>
3476
3477         * incremental.cc
3478         (Output_section_incremental_inputs::write_input_files): Add cast
3479         to avoid signed/unsigned comparison warning.
3480         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3481
3482 2010-08-12  Cary Coutant  <ccoutant@google.com>
3483
3484         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3485
3486 2010-08-13  Ian Lance Taylor  <iant@google.com>
3487
3488         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3489
3490 2010-08-12  Cary Coutant  <ccoutant@google.com>
3491             Doug Kwan  <dougkwan@google.com>
3492
3493         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3494         defintion overrides non-weak undef, remember that the original undef
3495         is not weak.
3496         * symtab.cc (Symbol_table::sized_write_global): For undef without
3497         an original weak binding, set binding to global in output.
3498         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3499         * testsuite/Makefile.in: Regenerate.
3500         * testsuite/strong_ref_weak_def.sh: New file.
3501         * testsuite/strong_ref_weak_def_1.c: Ditto.
3502         * testsuite/strong_ref_weak_def_2.c: Ditto.
3503
3504 2010-08-12  Cary Coutant  <ccoutant@google.com>
3505
3506         * testsuite/incremental_test.sh: Rewrite.
3507         * testsuite/incremental_test_1.c: Rewrite.
3508         * testsuite/incremental_test_2.c: Rewrite.
3509
3510 2010-08-12  Cary Coutant  <ccoutant@google.com>
3511
3512         * arm.cc (Target_arm::got_size): Add const.
3513         (Target_arm::got_entry_count): New function.
3514         (Target_arm::plt_entry_count): New function.
3515         (Target_arm::first_plt_entry_offset): New function.
3516         (Target_arm::plt_entry_size): New function.
3517         (Output_data_plt_arm::entry_count): New function.
3518         (Output_data_plt_arm::first_plt_entry_offset): New function.
3519         (Output_data_plt_arm::get_plt_entry_size): New function.
3520         * i386.cc (Target_i386::got_size): Add const.
3521         (Target_i386::got_entry_count): New function.
3522         (Target_i386::plt_entry_count): New function.
3523         (Target_i386::first_plt_entry_offset): New function.
3524         (Target_i386::plt_entry_size): New function.
3525         (Output_data_plt_i386::entry_count): New function.
3526         (Output_data_plt_i386::first_plt_entry_offset): New function.
3527         (Output_data_plt_i386::get_plt_entry_size): New function.
3528         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3529         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3530         * incremental.cc: Include target.h.
3531         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3532         parameter.  Adjust all callers.  Find incremental_got_plt section.
3533         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3534         section.
3535         (Output_section_incremental_inputs::set_final_data_size): Calculate
3536         size of incremental_got_plt section.
3537         (Output_section_incremental_inputs::do_write): Write the
3538         incremental_got_plt section.
3539         (Got_plt_view_info): New struct.
3540         (Local_got_offset_visitor): New class.
3541         (Global_got_offset_visitor): New class.
3542         (Global_symbol_visitor_got_plt): New class.
3543         (Output_section_incremental_inputs::write_got_plt): New function.
3544         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3545         Add parameter.  Adjust all callers.
3546         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3547         (Incremental_inputs::got_plt_section): New function.
3548         (Incremental_inputs::got_plt_section_): New data member.
3549         (Incremental_got_plt_reader): New class.
3550         * layout.cc (Layout::create_incremental_info_sections): Add the
3551         incremental_got_plt section.
3552         * object.h (Got_offset_list::get_list): New function.
3553         (Got offset_list::for_all_got_offsets): New function.
3554         (Sized_relobj::local_got_offset_list): New function.
3555         * powerpc.cc (Target_powerpc::got_size): Add const.
3556         (Target_powerpc::got_entry_count): New function.
3557         (Target_powerpc::plt_entry_count): New function.
3558         (Target_powerpc::first_plt_entry_offset): New function.
3559         (Target_powerpc::plt_entry_size): New function.
3560         (Output_data_plt_powerpc::entry_count): New function.
3561         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3562         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3563         * sparc.cc (Target_sparc::got_size): Add const.
3564         (Target_sparc::got_entry_count): New function.
3565         (Target_sparc::plt_entry_count): New function.
3566         (Target_sparc::first_plt_entry_offset): New function.
3567         (Target_sparc::plt_entry_size): New function.
3568         (Output_data_plt_sparc::entry_count): New function.
3569         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3570         (Output_data_plt_sparc::get_plt_entry_size): New function.
3571         * symtab.h (Symbol::got_offset_list): New function.
3572         (Symbol_table::for_all_symbols): New function.
3573         * target.h (Sized_target::got_entry_count): New function.
3574         (Sized_target::plt_entry_count): New function.
3575         (Sized_target::plt_entry_size): New function.
3576         * x86_64.cc (Target_x86_64::got_size): Add const.
3577         (Target_x86_64::got_entry_count): New function.
3578         (Target_x86_64::plt_entry_count): New function.
3579         (Target_x86_64::first_plt_entry_offset): New function.
3580         (Target_x86_64::plt_entry_size): New function.
3581         (Output_data_plt_x86_64::entry_count): New function.
3582         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3583         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3584
3585 2010-08-12  Cary Coutant  <ccoutant@google.com>
3586
3587         * archive.cc: Include incremental.h.
3588         (Archive::Archive): Initialize incremental_info_.
3589         (Archive::include_member): Record archive members in incremental info.
3590         (Add_archive_symbols::run): Record begin and end of an archive in
3591         incremental info.
3592         (Lib_group::include_member): Record objects in incremental info.
3593         * archive.h (Incremental_archive_entry): Forward declaration.
3594         (Archive::set_incremental_info): New member function.
3595         (Archive::incremental_info): New member function.
3596         (Archive::Unused_symbol_iterator): New class.
3597         (Archive::unused_symbols_begin): New member function.
3598         (Archive::unused_symbols_end): New member function.
3599         (Archive::incremental_info_): New data member.
3600         * incremental-dump.cc (find_input_containing_global): New function.
3601         (dump_incremental_inputs): Dump new incremental info sections.
3602         * incremental.cc: Include symtab.h.
3603         (Output_section_incremental_inputs): New class.
3604         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3605         new incremental info sections.
3606         (Sized_incremental_binary::do_check_inputs): Likewise.
3607         (Incremental_inputs::report_archive): Remove.
3608         (Incremental_inputs::report_archive_begin): New function.
3609         (Incremental_inputs::report_archive_end): New function.
3610         (Incremental_inputs::report_object): New function.
3611         (Incremental_inputs::finalize_inputs): Remove.
3612         (Incremental_inputs::report_input_section): New function.
3613         (Incremental_inputs::report_script): Rewrite.
3614         (Incremental_inputs::finalize): Do nothing but finalize string table.
3615         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3616         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3617         (Incremental_inputs::create_data_sections): New function.
3618         (Incremental_inputs::relocs_entsize): New function.
3619         (Output_section_incremental_inputs::set_final_data_size): New function.
3620         (Output_section_incremental_inputs::do_write): New function.
3621         (Output_section_incremental_inputs::write_header): New function.
3622         (Output_section_incremental_inputs::write_input_files): New function.
3623         (Output_section_incremental_inputs::write_info_blocks): New function.
3624         (Output_section_incremental_inputs::write_symtab): New function.
3625         * incremental.h (Incremental_script_entry): Forward declaration.
3626         (Incremental_object_entry): Forward declaration.
3627         (Incremental_archive_entry): Forward declaration.
3628         (Incremental_inputs): Forward declaration.
3629         (Incremental_inputs_header_data): Remove.
3630         (Incremental_inputs_header): Remove.
3631         (Incremental_inputs_header_write): Remove.
3632         (Incremental_inputs_entry_data): Remove.
3633         (Incremental_inputs_entry): Remove.
3634         (Incremental_inputs_entry_write): Remove.
3635         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3636         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3637         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3638         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3639         Likewise.
3640         (Incremental_input_entry): New class.
3641         (Incremental_script_entry): New class.
3642         (Incremental_object_entry): New class.
3643         (Incremental_archive_entry): New class.
3644         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3645         (Incremental_inputs::report_inputs): Remove.
3646         (Incremental_inputs::report_archive): Remove.
3647         (Incremental_inputs::report_archive_begin): New function.
3648         (Incremental_inputs::report_archive_end): New function.
3649         (Incremental_inputs::report_object): Change prototype.
3650         (Incremental_inputs::report_input_section): New function.
3651         (Incremental_inputs::report_script): Change prototype.
3652         (Incremental_inputs::get_reloc_count): New function.
3653         (Incremental_inputs::set_reloc_count): New function.
3654         (Incremental_inputs::create_data_sections): New function.
3655         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3656         (Incremental_inputs::inputs_section): New function.
3657         (Incremental_inputs::symtab_section): New function.
3658         (Incremental_inputs::relocs_section): New function.
3659         (Incremental_inputs::get_stringpool): Add const.
3660         (Incremental_inputs::command_line): Add const.
3661         (Incremental_inputs::inputs): Remove.
3662         (Incremental_inputs::command_line_key): New function.
3663         (Incremental_inputs::input_file_count): New function.
3664         (Incremental_inputs::input_files): New function.
3665         (Incremental_inputs::relocs_entsize): New function.
3666         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3667         (Incremental_inputs::finalize_inputs): Remove.
3668         (Incremental_inputs::Input_info): Remove.
3669         (Incremental_inputs::lock_): Remove.
3670         (Incremental_inputs::inputs_): Change type.
3671         (Incremental_inputs::inputs_map_): Remove.
3672         (Incremental_inputs::current_object_entry_): New data member.
3673         (Incremental_inputs::inputs_section_): New data member.
3674         (Incremental_inputs::symtab_section_): New data member.
3675         (Incremental_inputs::relocs_section_): New data member.
3676         (Incremental_inputs::reloc_count_): New data member.
3677         (Incremental_inputs_reader): New class.
3678         (Incremental_symtab_reader): New class.
3679         (Incremental_relocs_reader): New class.
3680         * layout.cc (Layout::finalize): Move finalization of incremental info
3681         and creation of incremental info sections to follow finalization of
3682         symbol table.  Set offsets for postprocessing sections.
3683         (Layout::create_incremental_info_sections): Call
3684         Incremental_inputs::create_data_sections.  Add incremental symtab
3685         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3686         sections to layout after input sections.
3687         * layout.h (struct Timespec): Forward declaration.
3688         (Layout::incremental_inputs): Add const.
3689         (Layout::create_incremental_info_sections): Add parameter.
3690         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3691         * object.cc: Include incremental.h.
3692         (Relobj::finalize_incremental_relocs): New function.
3693         (Sized_relobj::do_layout): Record input sections in incremental info.
3694         * object.h (Object::output_section): New function.
3695         (Object::output_section_offset): Moved from Relobj.
3696         (Object::get_incremental_reloc_base): New function.
3697         (Object::get_incremental_reloc_count): New function.
3698         (Object::do_output_section): New function.
3699         (Object::do_output_section_offset): Moved from Relobj.
3700         (Object::do_get_incremental_reloc_base): New function.
3701         (Object::do_get_incremental_reloc_count): New function.
3702         (Object::Object): Initialize new data members.
3703         (Relobj::output_section): Renamed do_output_section and moved to
3704         protected.
3705         (Relobj::output_section_offset): Moved to Object.
3706         (Relobj::do_get_incremental_reloc_base): New function.
3707         (Relobj::do_get_incremental_reloc_count): New function.
3708         (Relobj::allocate_incremental_reloc_counts): New function.
3709         (Relobj::count_incremental_reloc): New function.
3710         (Relobj::finalize_incremental_relocs): New function.
3711         (Relobj::next_incremental_reloc_index): New function.
3712         (Relobj::reloc_counts_): New data member.
3713         (Relobj::reloc_bases_): New data member.
3714         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3715         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3716         (Sized_relobj::incremental_relocs_scan): New function.
3717         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3718         (Sized_relobj::incremental_relocs_write): New function.
3719         (Sized_relobj::incremental_relocs_write_reltype): New function.
3720         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3721         incremental link.
3722         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3723         archives and object files elsewhere.
3724         (Add_symbols::run): Report object files here.
3725         (Finish_group::run): Report end of archive at end of group.
3726         * reloc.cc: Include layout.h, incremental.h.
3727         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3728         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3729         (Sized_relobj::incremental_relocs_scan): New function.
3730         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3731         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3732         (Sized_relobj::incremental_relocs_write): New function.
3733         (Sized_relobj::incremental_relocs_write_reltype): New function.
3734         * script.cc (read_input_script): Rewrite test for incremental link.
3735         Change call to Incremental_inputs::report_script.
3736         * symtab.h (Symbol_table::first_global_index): New function.
3737         (Symbol_table::output_count): New function.
3738
3739 2010-08-12  Doug Kwan  <dougkwan@google.com>
3740
3741         * arm.cc (Target_arm::merge_object_attributes): Check command line
3742         options --no-wchar-size-warning and --no-enum-size-warning.
3743         * options.h (General_options): Add ld-compatible options
3744         --no-enum-size-warning and --no-wchar-size-warning.
3745
3746 2010-08-04  Ian Lance Taylor  <iant@google.com>
3747
3748         * x86_64.cc (Target_x86_64::Scan::local): Use
3749         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3750         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3751         (Target_x86_64::Scan::global): Likewise.
3752         (Target_x86_64::Relocate::relocate): Likewise.
3753         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3754         Likewise.
3755
3756 2010-08-03  Cary Coutant  <ccoutant@google.com>
3757
3758         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3759         to reserve space in merged_strings vector. Keep total input size
3760         for stats.
3761         (Output_merge_string::do_print_merge_stats): Print total input size.
3762         * merge.h (Output_merge_string): Add input_size_ field.
3763         * stringpool.cc (Stringpool_template::string_length): Move
3764         implementations out of Stringpool_template class and place in
3765         stringpool.h.
3766         * stringpool.h (string_length): Move out of Stringpool_template.
3767
3768 2010-08-03  Ian Lance Taylor  <iant@google.com>
3769
3770         PR 11712
3771         * layout.cc (relaxation_loop_body): If address of load segment is
3772         set, adjust address to include headers if possible.
3773
3774 2010-08-03  Ian Lance Taylor  <iant@google.com>
3775
3776         * version.cc (version_string): Bump to 1.10.
3777
3778 2010-08-03  Ian Lance Taylor  <iant@google.com>
3779
3780         PR 11805
3781         * layout.h (enum Output_section_order): Define.
3782         (class Layout): Update declarations.
3783         * layout.cc (Layout::get_output_section): Add order parameter.
3784         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3785         is_first_non_relro parameters.  Change all callers.
3786         (Layout::choose_output_section): Likewise.
3787         (Layout::add_output_section_data): Likewise.
3788         (Layout::make_output_section): Likewise.  Set order.
3789         (Layout::default_section_order): New function.
3790         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3791         * output.cc (Output_section::Output_section): Initialize order_.
3792         Don't initialize deleted fields.
3793         (Output_segment::Output_segment): Don't initialize deleted
3794         fields.
3795         (Output_segment::add_output_section_to_load): New function
3796         replacing add_output_section.  Change all callers to call this or
3797         add_output_section_to_nonload.
3798         (Output_segment::add_output_section_to_nonload): New function.
3799         (Output_segment::remove_output_section): Rewrite.
3800         (Output_segment::add_initial_output_data): Likewise.
3801         (Output_segment::has_any_data_sections): Likewise.
3802         (Output_segment::is_first_section_relro): Likewise.
3803         (Output_segment::maximum_alignment): Likewise.
3804         (Output_segment::has_dynamic_reloc): New function replacing
3805         dynamic_reloc_count.  Change all callers.
3806         (Output_segment::has_dynamic_reloc_list): New function replacing
3807         dynamic_reloc_count_list.  Change all callers.
3808         (Output_segment::set_section_addresses): Rewrite.
3809         (Output_segment::set_offset): Rewrite.
3810         (Output_segment::find_first_and_last_list): Remove.
3811         (Output_segment::set_tls_offsets): Rewrite.
3812         (Output_segment::first_section_load_address): Likewise.
3813         (Output_segment::output_section_count): Likewise.
3814         (Output_segment::section_with_lowest_load_address): Likewise.
3815         (Output_segment::write_section_headers): Likewise.
3816         (Output_segment::print_sections_to_map): Likewise.
3817         * output.h (class Output_data): Remove dynamic_reloc_count_
3818         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3819         (Output_data::add_dynamic_reloc): Rewrite.
3820         (Output_data::has_dynamic_reloc): New function.
3821         (Output_data::dynamic_reloc_count): Remove.
3822         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3823         is_last_relro_, is_first_non_relro_, is_interp_,
3824         is_dynamic_linker_section_ fields.  Add order and set_order
3825         functions.  Remove is_relro_local, set_is_relro_local,
3826         is_last_relro, set_is_last_relro, is_first_non_relro,
3827         set_is_first_non_relro functions, is_interp, set_is_interp,
3828         is_dynamic_linker_section, and set_is_dynamic_linker_section
3829         functions.
3830         (class Output_segment): Change Output_data_list from std::list to
3831         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3832         output_bss_ fields.  Update declarations.
3833
3834 2010-08-02  Ian Lance Taylor  <iant@google.com>
3835
3836         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3837         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3838         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3839
3840 2010-08-02  Ian Lance Taylor  <iant@google.com>
3841
3842         PR 11855
3843         * script.cc (Script_options::Script_options): Initialize
3844         symbol_definitions_ and symbol_references_.
3845         (Script_options::add_symbol_assignment): Update
3846         symbol_definitions_ and symbol_references_.
3847         (Script_options::add_symbol_reference): New function.
3848         (script_symbol): New function.
3849         * script.h (class Script_options): Add symbol_definitions_ and
3850         symbol_references_ fields.
3851         (Script_options::referenced_const_iterator): New type.
3852         (Script_options::referenced_begin): New function.
3853         (Script_options::referenced_end): New function.
3854         (Script_options::is_referenced): New function.
3855         (Script_options::any_unreferenced): New function.
3856         * script-c.h (script_symbol): Declare.
3857         * yyscript.y (exp): Call script_symbol.
3858         * symtab.cc: Include "script.h".
3859         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3860         Change all callers.  Check symbols referenced by scripts.
3861         (Symbol_table::add_undefined_symbols_from_command_line): Add
3862         layout parameter.  Change all callers.
3863         (Symbol_table::do_add_undefined_symbols_from_command_line):
3864         Likewise.  Break out loop body.  Check symbols referenced by
3865         scripts.
3866         (Symbol_table::add_undefined_symbol_from_command_line): New
3867         function broken out of
3868         do_add_undefined_symbols_from_command_line.
3869         * symtab.h (class Symbol_table): Update declarations.
3870         * archive.cc: Include "layout.h".
3871         (Archive::should_include_member): Add layout parameter.  Change
3872         all callers.  Check for symbol mentioned in expression.
3873         * archive.h (class Archive): Update declaration.
3874         * object.cc (Sized_relobj::do_should_include_member): Add layout
3875         parameter.
3876         * object.h (Object::should_include_member): Add layout parameter.
3877         Change all callers.
3878         (Object::do_should_include_member): Add layout parameter.
3879         (class Sized_relobj): Update declaration.
3880         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3881         parameter.
3882         * dynobj.h (class Sized_dynobj): Update declaration.
3883         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3884         layout parameter.
3885         * plugin.h (class Sized_pluginobj): Update declaration.
3886
3887 2010-08-02  Ian Lance Taylor  <iant@google.com>
3888
3889         PR 11866
3890         * output.cc (Output_segment::set_offset): Search for the first and
3891         last sections rather than assuming that the list is in order.
3892         (Output_segment::find_first_and_last_list): New function.
3893         * output.h (class Output_segment): Update declarations.
3894         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3895         (relro_strip_test_SOURCES): New variable.
3896         (relro_strip_test_DEPENDENCIES): New variable.
3897         (relro_strip_test_LDFLAGS): New variable.
3898         (relro_strip_test_LDADD): New variable.
3899         (relro_strip_test.so): New target.
3900
3901 2010-08-02  Ian Lance Taylor  <iant@google.com>
3902
3903         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3904         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3905         (Target_i386::got_tlsdesc_section): New function.
3906         (Target_i386::got_section): Create space for GOT entries for
3907         TLSDESC relocations.
3908         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3909         R_386_TLS_GOTDESC.
3910         (Target_i386::Scan::global): Likewise.
3911         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3912         using TLSDESC GOT.
3913         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3914         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3915         (Target_x86_64::got_tlsdesc_section): New function.
3916         (Target_x86_64::got_section): Create space for GOT entries for
3917         TLSDESC relocations.
3918         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3919         R_386_TLS_GOTDESC.
3920         (Target_x86_64::Scan::global): Likewise.
3921         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3922         using TLSDESC GOT.
3923
3924 2010-08-02  Ian Lance Taylor  <iant@google.com>
3925
3926         * testsuite/final_layout.sh: Use dc to convert from hex to
3927         decimal.
3928
3929 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3930
3931         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3932         paramter to the call to gold::gc_process_relocs.
3933         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3934         paramter to the call to gold::gc_process_relocs.
3935         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3936         parameter to the call to gold::gc_process_relocs.
3937         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3938         template parameter to the call to gold::gc_process_relocs.
3939         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3940         paramter to the call to gold::gc_process_relocs.
3941         * gc.h (get_embedded_addend_size): New function.
3942         (gc_process_relocs): Save the size of the reloc for use by ICF.
3943         * icf.cc (get_section_contents): Get the addend from the text section
3944         for SHT_REL relocation sections.
3945         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3946         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3947         * int_encoding.h (read_from_pointer): New overloaded function.
3948         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3949         * testsuite/icf_sht_rel_addend_test.sh: New file.
3950         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3951         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3952
3953 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3954
3955         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3956         * Makefile.in: Regenerate.
3957         * testsuite/Makefile.in: Regenerate.
3958
3959 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3960
3961         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3962         * gold/testsuite/debug_msg.cc: Likewise.
3963         * gold/testsuite/odr_violation1.cc
3964         * gold/testsuite/odr_violation2.cc
3965
3966 2010-07-21  Cary Coutant  <ccoutant@google.com>
3967
3968         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3969         string, and length fields.
3970         (Output_merge_string::Merged_strings_list): New type.
3971         (Output_merge_string::Merged_strings_lists): New typedef.
3972         (Output_merge_string): Replace merged_strings_ with
3973         merged_strings_lists_.
3974         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3975         Merged_strings_list per input object and section.  Don't store pointer
3976         to the string.  Don't store length with each merged string entry.
3977         (Output_merge_string::finalize_merged_data): Loop over list of merged
3978         strings lists.  Recompute length of each merged string.
3979
3980 2010-07-15  Cary Coutant  <ccoutant@google.com>
3981
3982         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3983         here.
3984
3985 2010-07-14  Ian Lance Taylor  <iant@google.com>
3986
3987         * descriptors.cc (Descriptors::open): Report correct name in error
3988         message.
3989
3990 2010-07-13  Doug Kwan  <dougkwan@google.com>
3991
3992         * arm.cc (Arm_input_section::Arm_input_section): For a
3993         SHT_ARM_EXIDX section, always keeps the input sections.
3994         (Arm_input_section::set_exidx_section_link): New method.
3995         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3996         has_errors_ to false.
3997         (Arm_exidx_input_section::has_errors,
3998         Arm_exidx_input_section::set_has_errors): New methods.
3999         (Arm_exidx_input_section::has_errors_): New data member.
4000         (Arm_relobj::get_exidx_shndx_list): New method.
4001         (Arm_output_section::append_text_sections_to_list): Do not skip
4002         section without SHF_EXECINSTR.
4003         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4004         errors.
4005         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4006         section header.  Make error messages more verbose.  Check for
4007         a non-executable section linked to an EXIDX section.
4008         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4009         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4010         check that there is no deferred EXIDX section if we exit early.
4011         Instead of not making an EXIDX section in case of an error, make one
4012         and set the has_errors flag of it.
4013         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4014         in a relocatable link.
4015         (Target_arm::do_relax): Look for the EXIDX output section instead of
4016         assuming that it is called .ARM.exidx.
4017         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4018         section list.  Do not check for SHF_EXECINSTR section flags but
4019         skip any input section with errors.
4020         * output.cc (Output_section::Output_section): Initialize
4021         always_keeps_input_sections_ to false.
4022         (Output_section::add_input_section): Check for
4023         always_keeps_input_sections_.
4024         *  output.h (Output_section::always_keeps_input_sections,
4025         Output_section::set_always_keeps_input_sections): New methods.
4026         (Output_section::always_keeps_input_sections): New data member.
4027
4028 2010-07-13  Rafael Espindola  <espindola@google.com>
4029
4030         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4031         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4032
4033 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4034             Ian Lance Taylor  <iant@google.com>
4035
4036         * output.h (Output_section_lookup_maps::add_merge_section):
4037         Correct check of whether value was inserted.
4038         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4039         (Output_section_lookup_maps::add_relaxed_input_section):
4040         Likewise.
4041         * arm.cc (Target_arm::got_section): Remove used local os.
4042         * i386.cc (Target_i386::got_section): Likewise.
4043         * x86_64.cc (Target_x86_64::got_section): Likewise.
4044         * sparc.cc (Target_sparc::got_section): Likewise.
4045         (Target_sparc::relocate): Remove unused local have_got_offset.
4046         * powerpc.cc (Target_powerpc::relocate): Likewise.
4047
4048 2010-07-13  Ian Lance Taylor  <iant@google.com>
4049
4050         * compressed_output.cc (zlib_decompress): Fix signature in
4051         !HAVE_ZLIB_H case.
4052
4053         * archive.cc (Archive::include_member): Unlock an external member
4054         of a thin archive.  Don't bother to delete an object we know is
4055         NULL.
4056
4057 2010-07-12  Cary Coutant  <ccoutant@google.com>
4058
4059         * compressed_output.cc (zlib_decompress): New function.
4060         (get_uncompressed_size): New function.
4061         (decompress_input_section): New function.
4062         * compressed_output.h (get_uncompressed_size): New function.
4063         (decompress_input_section): New function.
4064         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4065         Handle compressed debug sections.
4066         * layout.cc (is_compressed_debug_section): New function.
4067         (Layout::output_section_name): Map compressed section names to
4068         canonical names.
4069         * layout.h (is_compressed_debug_section): New function.
4070         (is_debug_info_section): Recognize compressed debug sections.
4071         * merge.cc: Include compressed_output.h.
4072         (Output_merge_data::do_add_input_section): Handle compressed
4073         debug sections.
4074         (Output_merge_string::do_add_input_section): Handle compressed
4075         debug sections.
4076         * object.cc: Include compressed_output.h.
4077         (Sized_relobj::Sized_relobj): Initialize new data members.
4078         (build_compressed_section_map): New function.
4079         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4080         * object.h (Object::section_is_compressed): New method.
4081         (Object::do_section_is_compressed): New method.
4082         (Sized_relobj::Compressed_section_map): New type.
4083         (Sized_relobj::do_section_is_compressed): New method.
4084         (Sized_relobj::compressed_sections_): New data member.
4085         * output.cc (Output_section::add_input_section): Handle compressed
4086         debug sections.
4087         * reloc.cc: Include compressed_output.h.
4088         (Sized_relobj::write_sections): Handle compressed debug sections.
4089
4090 2010-07-08  Cary Coutant  <ccoutant@google.com>
4091
4092         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4093         weak when resolving to a dynamic def.
4094         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4095         for weak undef/dynamic def cases. Adjust callers.
4096         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4097         undef_binding_weak_.
4098         (Symbol_table::sized_write_globals): Adjust symbol binding.
4099         (Symbol_table::sized_write_symbol): Add binding parameter.
4100         * symtab.h (Symbol::set_undef_binding): New method.
4101         (Symbol::is_undef_binding_weak): New method.
4102         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4103         (Symbol_table::should_override): Add new parameter.
4104         (Symbol_table::sized_write_symbol): Add new parameter.
4105
4106         * testsuite/weak_undef_file1.cc: Add new test case.
4107         * testsuite/weak_undef_file2.cc: Fix header comment.
4108         * testsuite/weak_undef_test.cc: Add new test case.
4109
4110 2010-06-29  Doug Kwan  <dougkwan@google.com>
4111
4112         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4113         Initialize USE_SYMBOL_.
4114         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4115         definition.
4116         (Arm_reloc_property::uses_symbol_): New data member declaration.
4117         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4118         uses symbol value and symbol is undefined but not weakly undefined.
4119
4120 2010-06-28  Rafael Espindola  <espindola@google.com>
4121
4122         * plugin.cc (Plugin::load): Use dlerror.
4123
4124 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4125
4126         * symtab.cc (detect_odr_violations): When reporting an ODR
4127         violation, report an object where the symbol is defined.
4128
4129 2010-06-25  Doug Kwan  <dougkwan@google.com>
4130
4131         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4132         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4133         definition.
4134         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4135         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4136         target hook to detect function points.
4137         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4138         * icf.h (Icf::check_section_for_function_pointers): Change type of
4139         parameter SECTION_NAME to const reference to std::string.  Use
4140         target hook to determine if section may have unsafe pointers.
4141         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4142         method definition.
4143
4144 2010-06-21  Rafael Espindola  <espindola@google.com>
4145
4146         * fileread.cc (Input_file::find_fie): New
4147         (Input_file::open): Use Input_file::find_fie.
4148         * fileread.h (Input_file::find_fie): New
4149         * plugin.cc (set_extra_library_path): New.
4150         (Plugin::load): Add set_extra_library_path to the transfer vector.
4151         (Plugin_manager::set_extra_library_path): New.
4152         (Plugin_manager::add_input_file): Use the extra search path if set.
4153         (set_extra_library_path(): New.
4154         * plugin.h (Plugin_manager): Add set_extra_library_path and
4155         extra_search_path_.
4156
4157 2010-06-19  Cary Coutant  <ccoutant@google.com>
4158
4159         * layout.cc (gdb_sections): Add .debug_types.
4160         (lines_only_debug_sections): Likewise.
4161
4162 2010-06-18  Rafael Espindola  <espindola@google.com>
4163
4164         * plugin.cc (add_input_file,add_input_library)
4165         (Plugin_manager::add_input_file): Make filename arguments const.
4166         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4167         const.
4168
4169 2010-06-16  Doug Kwan  <dougkwan@google.com>
4170
4171         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4172         .ARM.attributes section if we have not merged any input
4173         attributes sections.
4174
4175 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4176
4177         * arm.cc: Allow combining objects with no EABI version
4178         information.
4179
4180 2010-06-15  Rafael Espindola  <espindola@google.com>
4181
4182         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4183
4184 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4185
4186         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4187         (struct iovec): Correct !HAVE_READV definition.
4188
4189 2010-06-10  Cary Coutant  <ccoutant@google.com>
4190
4191         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4192         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4193         reloc sections.
4194         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4195
4196         PR 11683
4197         * symtab.h (Symbol::is_placeholder): New member function.
4198         * target-reloc.h (relocate_section): Check for placeholder symbols.
4199
4200         * testsuite/Makefile.am (plugin_test_8): New test.
4201         (plugin_test_9): New test.
4202         * testsuite/Makefile.in: Regenerate.
4203
4204 2010-06-09  Nick Clifton  <nickc@redhat.com>
4205
4206         * yyscript.y (input_list_element): Allow strings prefixed with
4207         the '-' character.  Treat these as libraries.
4208         * script.cc (script_add_library): New function.  Adds a library
4209         specified by "-l<name>" found in an input script.
4210         * script-c.h: Add prototype for script_add_library.
4211
4212 2010-06-07  Doug Kwan  <dougkwan@google.com>
4213
4214         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4215         Restrict stub-group size to be within long conditional branch
4216         range when working around cortex-A8 erratum.
4217
4218 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4219
4220         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4221         #ifdef typo.
4222
4223 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4224
4225         PR gold/11658
4226         * output.cc
4227         (Output_section::Input_section_sort_entry::compare_section_ordering):
4228         Change to return non-zero correctly.
4229         (Output_section::Input_section_sort_section_order_index_compare
4230         ::operator()): Change to fix ambiguity in comparisons.
4231
4232 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4233
4234         * gold.h (is_wildcard_string): New function.
4235         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4236         (Layout::layout_eh_frame): Ditto.
4237         (Layout::find_section_order_index): New method.
4238         (Layout::read_layout_from_file): New method.
4239         * layout.h (Layout::find_section_order_index): New method.
4240         (Layout::read_layout_from_file): New method.
4241         (Layout::input_section_position_): New private member.
4242         (Layout::input_section_glob_): New private member.
4243         * main.cc (main): Call read_layout_from_file here.
4244         * options.h (--section-ordering-file): New option.
4245         * output.cc (Output_section::input_section_order_specified_): New
4246         member.
4247         (Output_section::Output_section): Initialize new member.
4248         (Output_section::add_input_section): Add new parameter.
4249         Keep input sections when --section-ordering-file is used.
4250         (Output_section::set_final_data_size): Sort input sections when
4251         section ordering file is specified.
4252         (Output_section::Input_section_sort_entry): Add new parameter.
4253         Check sorting type.
4254         (Output_section::Input_section_sort_entry::compare_section_ordering):
4255         New method.
4256         (Output_section::Input_section_sort_compare::operator()): Change to
4257         consider section_order_index.
4258         (Output_section::Input_section_sort_init_fini_compare::operator()):
4259         Change to consider section_order_index.
4260         (Output_section::Input_section_sort_section_order_index_compare
4261         ::operator()): New method.
4262         (Output_section::sort_attached_input_sections): Change to sort
4263         according to section order when specified.
4264         (Output_section::add_input_section<32, true>): Add new parameter.
4265         (Output_section::add_input_section<64, true>): Add new parameter.
4266         (Output_section::add_input_section<32, false>): Add new parameter.
4267         (Output_section::add_input_section<64, false>): Add new parameter.
4268         * output.h (Output_section::add_input_section): Add new parameter.
4269         (Output_section::input_section_order_specified): New
4270         method.
4271         (Output_section::set_input_section_order_specified): New method.
4272         (Input_section::Input_section): Initialize section_order_index_.
4273         (Input_section::section_order_index): New method.
4274         (Input_section::set_section_order_index): New method.
4275         (Input_section::section_order_index_): New member.
4276         (Input_section::Input_section_sort_section_order_index_compare): New
4277         struct.
4278         (Output_section::input_section_order_specified_): New member.
4279         * script-sections.cc (is_wildcard_string): Delete and move modified
4280         method to gold.h.
4281         (Output_section_element_input::Output_section_element_input): Modify
4282         call to is_wildcard_string.
4283         (Output_section_element_input::Input_section_pattern
4284         ::Input_section_pattern): Ditto.
4285         (Output_section_element_input::Output_section_element_input): Ditto.
4286         * testsuite/Makefile.am (final_layout): New test case.
4287         * testsuite/Makefile.in: Regenerate.
4288         * testsuite/final_layout.cc: New file.
4289         * testsuite/final_layout.sh: New file.
4290
4291 2010-06-01  Rafael Espindola  <espindola@google.com>
4292
4293         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4294
4295 2010-06-01  Rafael Espindola  <espindola@google.com>
4296
4297         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4298         visibility of symbols.
4299
4300 2010-05-27  Doug Kwan  <dougkwan@google.com>
4301
4302         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4303         from start of output section instead of address for a local symbol
4304         in a merged or relaxed section when doing a relocatable link.
4305
4306 2010-05-26  Rafael Espindola  <espindola@google.com>
4307
4308        PR 11604
4309         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4310         adding sections the garbage collector removed.
4311         * gold/testsuite/Makefile.am: Add test.
4312         * gold/testsuite/Makefile.in: Regenerate.
4313         * gold/testsuite/plugin_test_7.sh: New.
4314         * gold/testsuite/plugin_test_7_1.c: New.
4315         * gold/testsuite/plugin_test_7_2.c: New.
4316
4317 2010-05-26  Rafael Espindola  <espindola@google.com>
4318
4319         * script-sections.cc (Output_section_definition::set_section_addresses):
4320         Check for --section-start.
4321
4322 2010-05-26  Doug Kwan  <dougkwan@google.com>
4323
4324         * arm.cc (Arm_scan_relocatable_relocs): New class.
4325         (Target_arm::relocate_special_relocatable): New method.
4326         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4327         (Arm_relocate_functions::thumb_branch_common): Same.
4328         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4329         instead of Default_scan_relocatable_relocs.
4330         * target-reloc.h (relocate_for_relocatable): Let target handle
4331         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4332         * target.h (Sized_target::relocate_special_relocatable): New method.
4333
4334 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4335
4336         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4337
4338 2010-05-23  Doug Kwan  <dougkwan@google.com>
4339
4340         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4341         instead of a cast.
4342         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4343         with a direct branch, not a conditional branch, to a stub.
4344         * merge.cc (Output_merge_base::record_input_section): New method
4345         defintion.
4346         (Output_merge_data::do_add_input_section): Record input section if
4347         keeps-input-sections flag is set.
4348         (Output_merge_string::do_add_input_section): Ditto.
4349         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4350         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4351         INPUT_SECTIONS_.
4352         (Output_merge_base::keeps_input_sections,
4353         Output_merge_base::set_keeps_input_sections,
4354         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4355         method definitions.
4356         (Output_merge_base::Input_sections): New type declaration.
4357         (Output_merge_base::input_sections_begin,
4358         Output_merge_base::input_sections_end,
4359         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4360         (Output_merge_base::bool keeps_input_sections_,
4361         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4362         Output_merge_base::input_sections_): New data members.
4363         (Output_merge_data::do_set_keeps_input_sections): New method
4364         defintion.
4365         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4366         * output.cc (Output_section::Input_section::relobj): Move method
4367         defintion from class declaration to here and handle merge sections.
4368         (Output_section::Input_section::shndx): Ditto.
4369         (Output_section::Output_section): Remove initializations of removed
4370         data members and initialize new data member LOOKUP_MAPS_.
4371         (Output_section::add_input_section): Set keeps-input-sections flag
4372         for a newly created merge output section as appropriate.  Adjust code
4373         to use Output_section_lookup_maps class.
4374         (Output_section::add_relaxed_input_section): Adjst code for lookup
4375         maps code refactoring.
4376         (Output_section::add_merge_input_section): Add a new parameter
4377         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4378         class.  If adding input section to a newly created merge output
4379         section fails, remove the new merge section.
4380         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4381         Adjust code for use of the Output_section_lookup_maps class.
4382         (Output_section::find_merge_section): Ditto.
4383         (Output_section::build_lookup_maps): New method defintion.
4384         (Output_section::find_relaxed_input_section): Adjust code to use
4385         Output_section_lookup_maps class.
4386         (Output_section::get_input_sections): Export merge sections.  Adjust
4387         code to use Output_section_lookup_maps class.
4388         (Output_section:::add_script_input_section): Adjust code to use
4389         Output_section_lookup_maps class.  Update lookup maps for merge
4390         sections also.
4391         (Output_section::discard_states): Use Output_section_lookup_maps.
4392         (Output_section::restore_states): Same.
4393         * output.h (Merge_section_properties): Move class defintion out of
4394         Output_section.
4395         (Output_section_lookup_maps): New class.
4396         (Output_section::Input_section::is_merge_section): New method
4397         defintion.
4398         (Output_section::Input_section::relobj): Move defintion out of class
4399         defintion.  Declare method only.
4400         (Output_section::Input_section::shndx): Ditto.
4401         (Output_section::Input_section::output_merge_base): New method defintion.
4402         (Output_section::Input_section::u2_.pomb): New union field.
4403         (Output_section::Merge_section_by_properties_map,
4404         Output_section::Output_section_data_by_input_section_map,
4405         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4406         Remove types.
4407         (Output_section::add_merge_input_section): Add new parameter
4408         KEEPS_INPUT_SECTIONS.
4409         (Output_section::build_lookup_maps): New method declaration.
4410         (Output_section::merge_section_map_,
4411         Output_section::merge_section_by_properties_map_,
4412         Output_section::relaxed_input_section_map_,
4413         Output_section::is_relaxed_input_section_map_valid_): Remove data
4414         members.
4415         (Output_section::lookup_maps_): New data member.
4416
4417 2010-05-21  Doug Kwan  <dougkwan@google.com>
4418
4419         PR gold/11619
4420         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4421         avoid a compilation error.
4422
4423 2010-05-19  Rafael Espindola  <espindola@google.com>
4424
4425         * script-sections.cc (Output_section_definition::allocate_to_segment):
4426         Update the phdrs_list even when the output section is NULL.
4427         * testsuite/Makefile.am: Add test.
4428         * testsuite/Makefile.in: Regenerate.
4429         * testsuite/script_test_9.cc: New.
4430         * testsuite/script_test_9.sh: New.
4431         * testsuite/script_test_9.t: New.
4432
4433 2010-05-19  Doug Kwan  <dougkwan@google.com>
4434
4435         * arm.cc (Arm_input_section::original_size): New method.
4436         (Arm_input_section::do_addralign): Add a cast.
4437         (Arm_input_section::do_output_offset): Remove static cast.
4438         (Arm_input_section::original_addralign,
4439          Arm_input_section::original_size_): Change type to uint32_t.
4440         (Arm_input_section::init): Add safe casts for section alignment
4441         and size.
4442         (Arm_input_section::set_final_data_size): Do not set address and
4443         offset of stub table.
4444         (Arm_output_section::fix_exidx_coverage): Change use of of
4445         Output_section::Simple_input_section to that of
4446         Output_section::Input_section.
4447         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4448         except for the first pass.
4449         * output.cc (Output_section::get_input_sections): Change type of
4450         input_sections to std::list<Input_section>.
4451         (Output_section::add_script_input_section): Rename from
4452         Output_section::add_simple_input_section.  Change type of SIS
4453         parameter from Simple_input_section to Input_section.
4454         * output.h (Output_section::Simple_input_section): Remove class.
4455         (Output_section::Input_section): Change class visibility to public.
4456         (Output_section::Input_section::addralign): Use stored alignments
4457         for special input sections if set.
4458         (Output_section::Input_section::set_addralign): New method.
4459         (Output_section::get_input_sections): Change parameter type from
4460         list of Simple_input_section to list of Input_section.
4461         (Output_section::add_script_input_section): Rename from
4462         Output_section::add_simple_input_section. Change first parameter's
4463         type from Simple_input_section to Input_section and remove the
4464         second and third parameters.
4465         * script-sections.cc (Input_section::Input_section_list): Change
4466         type to list of Output_section::Input_section/
4467         (Input_section_info::Input_section_info): Change parameter type of
4468         INPUT_SECTION to Output_section::Input_section.
4469         (Input_section_info::input_section): Change return type.
4470         (Input_section_info::input_section_): Change type to
4471         Output_section::Input_section.
4472         (Output_section_element_input::set_section_addresses): Adjust code
4473         to use Output_section::Input_section instead of
4474         Output_section::Simple_input_section.  Adjust code for renaming
4475         of Output_section::add_simple_input_section.
4476         (Orphan_output_section::set_section_addresses): Ditto.
4477
4478 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4479
4480         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4481         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4482
4483 2010-05-18  Rafael Espindola  <espindola@google.com>
4484
4485         * options.cc (General_options::finalize): Handle -nostdlib.
4486         * options.h (nostdlib): New option.
4487         * script.cc (script_add_search_dir): Handle -nostdlib.
4488
4489 2010-05-12  Doug Kwan  <dougkwan@google.com>
4490
4491         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4492         attributes section only if there no attributes section after merging.
4493         (Target_arm::merge_object_attributes): Move value of
4494         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4495         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4496         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4497         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4498         and arm_attr_merge_7.stdout.
4499         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4500         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4501         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4502         arm_attr_merge_7b.o): New rules.
4503         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4504         arm_attr_merge_7
4505         * testsuite/Makefile.in: Regenerate.
4506         * testsuite/arm_attr_merge.sh: New file.
4507         * testsuite/arm_attr_merge_[67][ab].s: Same.
4508
4509 2010-05-05  Nick Clifton  <nickc@redhat.com>
4510
4511         * po/es.po: Updated Spanish translation.
4512
4513 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4514
4515         * Makefile.am (install-exec-local): Properly install gold as
4516         default cross linker.
4517         * Makefile.in: Regenerated.
4518
4519 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4520             Nick Clifton  <nickc@redhat.com>
4521
4522         * configure.ac (install_as_default): Define and set to false
4523         unless --enable-gold or --enable-gold=both/gold has been
4524         specified.
4525         * configure: Regenerate.
4526
4527         * Makefile.am (install-exec-local): Install the executable as
4528         'ld.gold'.  If install_as_default is true then also install it as
4529         'ld'.
4530         * Makefile.in: Regenerated.
4531
4532 2010-04-24  Ian Lance Taylor  <iant@google.com>
4533
4534         * layout.cc (Layout::layout_reloc): In relocatable link don't
4535         combine reloc sections for grouped sections.
4536
4537 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4538
4539         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4540         sections that are not ordinary to icf.
4541         * icf.cc (get_section_contents): Handle relocation pointing to section
4542         with no object or shndx information.
4543         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4544         * testsuite/Makefile.in: Regenerate.
4545         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4546         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4547
4548 2010-04-22  Ian Lance Taylor  <iant@google.com>
4549
4550         * expression.cc (Expression::Expression_eval_info): Add
4551         result_alignment_pointer field.
4552         (Expression::eval_with_dot): Add result_alignment_pointer
4553         parameter.  Change all callers.
4554         (Expression::eval_maybe_dot): Likewise.
4555         (class Binary_expression): Add alignment_pointer parameter to
4556         left_value and right_value.  Change all callers.
4557         (BINARY_EXPRESSION): Set result alignment.
4558         (class Trinary_expression): Add alignment_pointer parameter to
4559         arg2_value and arg3_value.  Change all callers.
4560         (Trinary_cond::value): Set result alignment.
4561         (Max_expression::value, Min_expression::value): Likewise.
4562         (Align_expression::value): Likewise.
4563         * script-sections.cc (class Sections_element): Add dot_alignment
4564         parameter to set_section_addresses virtual function.  Update
4565         instantiations.
4566         (class Output_section_element): Likewise.
4567         (Script_sections::create_segments): Add dot_alignment parameter.
4568         Change all callers.
4569         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4570         (Script_sections::set_phdrs_clause_addresses): Likewise.
4571         * script-sections.h: Update declarations.
4572         * script.h: Update declarations.
4573         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4574         min_p_align.
4575         * testsuite/script_test_3.t: Set large alignment.
4576         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4577         segment has expected alignment.
4578
4579 2010-04-22  Nick Clifton  <nickc@redhat.com>
4580
4581         * po/gold.pot: Updated by the Translation project.
4582         * po/vi.po: Updated Vietnamese translation.
4583
4584 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4585
4586         * testsuite/Makefile.am (check_PROGRAMS): Add
4587         icf_virtual_function_folding_test.
4588         * testsuite/Makefile.in: Regenerated.
4589
4590 2010-04-15  Andrew Haley  <aph@redhat.com>
4591
4592         * options.h (merge_exidx_entries): New option.
4593         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4594         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4595         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4596         (Target_arm::merge_exidx_entries): New function.
4597         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4598         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4599         to Arm_exidx_fixup constructor.
4600         Add new arg, merge_exidx_entries.
4601         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4602         Arm_output_section::fix_exidx_coverage.
4603
4604 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4605
4606         * icf.cc (get_section_contents): Check for preemptible functions.
4607         Ignore addend when appropriate.
4608         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4609         section folded.
4610         (add_from_relobj): Check for section folded.
4611         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4612         * symtab.h (should_add_dynsym_entry): Add new parameter.
4613         * target-reloc.h (scan_relocs): Check for section folded.
4614         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4615         Check reloc types for function pointers in shared objects.
4616         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4617         case.
4618         (icf_preemptible_functions_test): New test case.
4619         (icf_string_merge_test): New test case.
4620         * testsuite.Makefile.in: Regenerate.
4621         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4622         bar_glob.  Refactor code.
4623         * testsuite/icf_preemptible_functions_test.cc: New file.
4624         * testsuite/icf_preemptible_functions_test.sh: New file.
4625         * testsuite/icf_string_merge_test.cc: New file.
4626         * testsuite/icf_string_merge_test.sh: New file.
4627         * testsuite/icf_virtual_function_folding_test.cc: New file.
4628         * testsuite/icf_virtual_function_folding_test.sh: New file.
4629
4630 2010-04-14  Doug Kwan  <dougkwan@google.com>
4631
4632         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4633         for local symbol recounting if we remove a section due to ICF.
4634         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4635         there are no regular objects in input.
4636
4637 2010-04-13  Doug Kwan  <dougkwan@google.com>
4638
4639         * arm.cc (Arm_input_section::set_final_data_size): Compute
4640         accurate final data size instead of using current data size.
4641
4642 2010-04-09  Doug Kwan  <dougkwan@google.com>
4643
4644         * layout.cc (Layout::choose_output_section): Handle script section
4645         types.
4646         (Layout::make_output_section_for_script): Add section type parameter.
4647         Handle script section types.
4648         * layout.h (Layout::make_output_section_for_script): Add section
4649         type parameter.
4650         * output.cc (Output_section::Output_section): Initialize data member
4651         is_noload_.
4652         (Output_section::do_reset_address_and_file_offset): Do not set address
4653         to 0 if section is a NOLOAD section.
4654         * output.h (Output_section::is_noload): New method.
4655         (Output_section::set_is_noload): Ditto.
4656         (Output_section::is_noload_): New data member.
4657         * script-c.h (Script_section_type): New enum type.
4658         (struct Parser_output_section_header): Add new file section_type.
4659         * script-sections.cc (Sections_element::output_section_name): Add
4660         parameter for returning script section type.
4661         (Output_section_definition::output_section_name): Ditto.
4662         (Output_section_definition::section_type)P; New method.
4663         (Output_section_definiton::script_section_type_name): Ditto.
4664         (Output_section_definition::script_section_type_): New data member.
4665         (Output_section_definition::Output_section_definition): Initialize
4666         data member Output_section_definition::script_section_type_.
4667         (Output_section_definition::create_sections): Pass script section type
4668         to Layout::make_output_section_for_script.
4669         (Output_section_definition::output_section_name): Return script
4670         section type to caller.
4671         (Output_section_definition::set_section_address): Do not advance
4672         dot value and load address if section type is NOLOAD.  Set address
4673         of NOLOAD sections regardless of section flags.
4674         (Output_section_definition::print): Print section type if it is
4675         not SCRIPT_SECTION_TYPE_NONE.
4676         (Output_section_definition::section_type): New method.
4677         (Output_section_definition::script_section_type_name): Ditto.
4678         (Script_sections::output_section_name): Add new parameter
4679         PSECTION_TYPE for returning script section type.  Pass it to
4680         section elements.  Handle discard sections.
4681         (Sort_output_sections::operator()): Handle NOLOAD sections.
4682         * script-sections.h (Script_sections::Section_type): New enum type.
4683         (Script_sections::output_section_name): Add a new parameter for
4684         returning script section type.
4685         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4686         INFO and NOLOAD.
4687         * yyscript.y (union): Add new field SECTION_TYPE.
4688         (COPY, DSECT, INFO, NOLOAD): New tokens.
4689         (opt_address_and_section_type): Change type to output_section_header.
4690         (section_type): New non-terminal
4691         (section_header): Handle section type.
4692         (opt_address_and_section_type): Return section type value.
4693
4694 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4695
4696         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4697         * testsuite/plugin_common_test_2.c (foo): Likewise.
4698
4699 2010-04-08  Doug Kwan  <dougkwan@google.com>
4700
4701         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4702         Output_merge_data.
4703         * output.cc (Output_section::add_merge_input_section): Simplify
4704         code and return status of Output_merge_base::add_input_section.
4705         Update merge section map only if Output_merge_base::add_input_section
4706         returns true.
4707
4708 2010-04-07  Doug Kwan  <dougkwan@google.com>
4709
4710         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4711         if section is marked as containing instructions but has no mapping
4712         symbols.
4713         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4714         correct section index.
4715         (Arm_relobj::find_linked_text_section): Ditto.
4716
4717 2010-04-07  Cary Coutant  <ccoutant@google.com>
4718
4719         * archive.cc (include_member): Destroy Read_symbols_data object before
4720         releasing file.
4721         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4722         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4723         (Read_symbols_data::~Read_symbols_data) New destructor.
4724         (Section_relocs::Section_relocs) New constructor.
4725         (Section_relocs::~Section_relocs) New destructor.
4726         (Read_relocs_data::Read_relocs_data) New constructor.
4727         (Read_relocs_data::~Read_relocs_data) New destructor.
4728         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4729         pointers to NULL after deleting.
4730
4731 2010-04-07  Doug Kwan  <dougkwan@google.com>
4732
4733         * arm.cc: Replace "endianity" with "endianness" in comments.
4734         (Arm_exidx_cantunwind): Ditto.
4735         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4736         (Arm_relobj::merge_flags_and_attributes): New method.
4737         (Arm_relobj::merge_flags_and_attributes_): New data member.
4738         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4739         (Arm_relobj::scan_sections_for_stubs): Ditto.
4740         (Arm_relobj::do_read_symbols): Check to see if we really want to
4741         merge processor-specific flags and attributes.  Exit early if
4742         an object is empty except for section names and the undefined symbol.
4743         (Target_arm::do_finalize_sections): Move check for ELF format to
4744         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4745         attributes from a regular object only when we have determined that
4746         it is aapropriate.  Do not create an .ARM.attributes section in
4747         output if there is no regular input object.
4748         (Target_arm::merge_processor_specific_flags): Check
4749         --warn-mismatch before printing any error.
4750         (Target_arm::merge_object_attributes): Ditto.
4751         * gold.cc (queue_middle_tasks): Handle the case in which there is
4752         no regular object in input.
4753         * options.cc (General_options::parse_EB): New method.
4754         (General_options::parse_EL): Same.
4755         (General_options::General_options): Initialize endianness_.
4756         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4757         New options.
4758         (General_options::Endianness): New enum.
4759         (General_options::endianness): New method.
4760         (General_options::endianness_): New data member.
4761         * parameters.cc (Parameters::set_options): Check target endianness.
4762         (Parameters::set_target_once): Ditto.
4763         (Parameters::check_target_endianness): New method.
4764         (parameters_force_valid_target): If either -EL or -EB is specified,
4765         use it to define endianness of default target.
4766         * parameters.h (Parameters::check_target_endianness): New method
4767         declaration.
4768         * target.h (class Target): Change "endianity" to "endianness"
4769         in comments.
4770
4771 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4772
4773         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4774         * configure: Regenerate.
4775         * Makefile.in: Regenerate.
4776         * testsuite/Makefile.in: Regenerate.
4777
4778 2010-04-06  Cary Coutant  <ccoutant@google.com>
4779
4780         gcc PR lto/42757
4781         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4782         prevailing definitions of common symbols.
4783         * testsuite/plugin_test_6.sh: New test case.
4784         * testsuite/plugin_common_test_1.c: New test case.
4785         * testsuite/plugin_common_test_2.c: New test case.
4786         * testsuite/Makefile.am (plugin_test_6): New test case.
4787         * testsuite/Makefile.in: Regenerate.
4788
4789 2010-04-06  Nick Clifton  <nickc@redhat.com>
4790
4791         * po/vi.po: New Vietnamese translation.
4792
4793 2010-03-30  Doug Kwan  <dougkwan@google.com>
4794
4795         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4796
4797 2010-03-25  Doug Kwan  <dougkwan@google.com>
4798
4799         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4800         to avoid a conversion warning on a 32-bit host.
4801
4802 2010-03-24  Ian Lance Taylor  <iant@google.com>
4803
4804         * testsuite/script_test_3.t: Add a TLS segment.
4805         * testsuite/Makefile.am (check_PROGRAMS): Add
4806         tls_phdrs_script_test.
4807         (tls_phdrs_script_test_SOURCES): Define.
4808         (tls_phdrs_script_test_DEPENDENCIES): Define.
4809         (tls_phdrs_script_test_LDFLAGS): Define.
4810         (tls_phdrs_script_test_LDADD): Define.
4811         * testsuite/Makefile.in: Rebuild.
4812
4813 2010-03-23  Cary Coutant  <ccoutant@google.com>
4814
4815         * fileread.cc (find_or_make_view): Fix comment.
4816
4817 2010-03-23  Ian Lance Taylor  <iant@google.com>
4818
4819         * script-sections.cc (class Orphan_section_placement): Define
4820         PLACE_TLS and PLACE_TLS_BSS.
4821         (Orphan_section_placement::Orphan_section_placement): Initialize
4822         new places.
4823         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4824         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4825         (tls_script_test_SOURCES): Define.
4826         (tls_script_test_DEPENDENCIES): Define.
4827         (tls_script_test_LDFLAGS): Define.
4828         (tls_script_test_LDADD): Define.
4829         * testsuite/Makefile.in: Rebuild.
4830
4831 2010-03-22  Doug Kwan  <dougkwan@google.com>
4832
4833         * arm.cc (Arm_relocate_functions::abs8,
4834         Arm_relocate_functions::abs16): Use correct check for overflow
4835         specified in the ARM ELF specs.
4836         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4837         target of a BLX instruction specially.
4838         (Reloc_stub::stub_type_for_reloc): Ditto.
4839         (Relocate::relocate): Use symbolic names instead of numeric relocation
4840         codes to report error.
4841         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4842         workaround.
4843         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4844         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4845         thumb2_blx_out_of_range.stdout
4846         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4847         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4848         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4849         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4850         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4851         thumb2_blx_in_range, thumb2_blx_in_range.o,
4852         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4853         thumb2_blx_out_of_range.o): New rules.
4854         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4855         thumb2_blx_in_range and thumb2_blx_out_of_range.
4856         * testsuite/Makefile.in: Regenerate.
4857         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4858         * testsuite/thumb_blx_in_range.s: New file.
4859         * testsuite/thumb_blx_out_of_range.s: New file.
4860
4861 2010-03-22  Rafael Espindola  <espindola@google.com>
4862
4863         * archive.cc (Should_include): Move to archive.h.
4864         (should_include_member): Make it a member of Archive.
4865         (Lib_group): New.
4866         (Add_lib_group_symbols): New.
4867         * archive.h: Include options.h.
4868         (Archive_member): Moved from Archive.
4869         (Should_include): Moved from archive.cc.
4870         (Lib_group): New.
4871         (Add_lib_group_symbols): New.
4872         * dynobj.cc (do_should_include_member): New.
4873         * dynobj.h (do_should_include_member): New.
4874         * gold.cc (queue_initial_tasks): Update call to queue.
4875         * main.cc (main): Print lib group stats.
4876         * object.cc (do_should_include_member): New.
4877         * object.h: Include archive.h.
4878         (Object::should_include_member): New.
4879         (Object::do_should_include_member): New.
4880         (Sized_relobj::do_should_include_member): New.
4881         * options.cc (General_options::parse_start_lib): New.
4882         (General_options::parse_end_lib): New.
4883         (Input_arguments::add_file): Handle lib groups.
4884         (Input_arguments::start_group): Check we are not in a lib.
4885         (Input_arguments::start_lib): New.
4886         (Input_arguments::end_lib): New.
4887         * options.h (General_options): Add start_lib and end_lib.
4888         (Input_argument::lib_): New.
4889         (Input_argument::lib): New.
4890         (Input_argument::is_lib): New.
4891         (Input_file_lib): New.
4892         (Input_arguments::in_lib_): New.
4893         (Input_arguments::in_lib): New.
4894         (Input_arguments::start_lib): New.
4895         (Input_arguments::end_lib_): New.
4896         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4897         in unused members as preempted.
4898         (Sized_pluginobj::do_should_include_member): New.
4899         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4900         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4901         return the blocker.
4902         (Read_symbols::do_whole_lib_group): New.
4903         (Read_symbols::do_lib_group): New.
4904         (Read_symbols::do_read_symbols): Handle lib groups.
4905         (Read_symbols::get_name): Handle lib groups.
4906         * readsyms.h (Read_symbols): Add an archive member pointer.
4907         (Read_symbols::do_whole_lib_group): New.
4908         (Read_symbols::do_lib_group): New.
4909         (Read_symbols::member_): New.
4910         * script.cc (read_input_script): Update call to queue_soon.
4911
4912 2010-03-19  Doug Kwan  <dougkwan@google.com>
4913
4914         * arm.cc (Stub_table::Stub_table): Initialize new data members
4915         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4916         (Stub_table::add_reloc_stub): Assign stub offset and update
4917         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4918         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4919         New data members.
4920         (Stub_table::update_data_size_and_addralign): Use
4921         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4922         instead of going over all reloc stubs.
4923         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4924         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4925         Stringpool_template::offset_ to size of Stringpool_char.
4926         (Stringpool_template::new_key_offset): Remove code to initialize
4927         Stringpool_template::offset_.
4928         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4929         Stringpool_template::offset_ to zero.
4930
4931 2010-03-15  Doug Kwan  <dougkwan@google.com>
4932
4933         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4934         offset_.
4935         (Stringpool_template::new_key_offset): New method.
4936         (Stringpool_template::add_string): Assign offsets when adding new
4937         strings.
4938         (Stringpool_template::set_string_offsets): Do not set string offsets
4939         when not optimizing.
4940         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4941         member size_.
4942         (Chunked_vector::clear): Clear size_.
4943         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4944         (Chunked_vector::size): Return size_.
4945         (Chunked_vector::push_back): Use size_ to find insert position.
4946         (Chunked_vector::size_): New data member.
4947         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4948         (Stringpool_template::new_key_offset): New method declaration.
4949         (Stringpool_template::offset_): New data member.
4950
4951 2010-03-15   Rafael Espindola  <espindola@google.com>
4952
4953         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4954         Add_symbols' constructor.
4955         * readsyms.h (Add_symbols): Remove the input_group member.
4956
4957 2010-03-10  Ian Lance Taylor  <iant@google.com>
4958
4959         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4960         target to ask whether a reference to a symbol requires a stack
4961         split.
4962         * target.h (Target::is_call_to_non_split): New function.
4963         (Target::do_is_call_to_non_split): Declare virtual function.
4964         * target.cc: Include "symtab.h".
4965         (Target::do_is_call_to_non_split): New function.
4966         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4967
4968 2010-03-10  Cary Coutant  <ccoutant@google.com>
4969
4970         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4971         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4972         (File_read::open[2]): Add whole_file_view_ to list of views.
4973         (File_read::make_view): Remove test of whole_file_view_.
4974         (File_read::find_or_make_view): Create whole_file_view_ if
4975         necessary.
4976         (File_read::clear_views): Replace bool parameter with enum;
4977         adjust all callers.  Don't delete views with permanent data;
4978         do delete cached views and views from archives if
4979         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4980         if clearing the corresponding view.
4981         * fileread.h (File_read::Clear_views_mode): New enum.
4982         (File_read::View::is_permanent_view): New method.
4983         (File_read::clear_views): Replace bool parameter
4984         with enum; adjust all callers.
4985         * options.h (General_options): Change keep_files_mapped option;
4986         add map_whole_files.
4987         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4988         releasing the file.
4989         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4990         the file.
4991
4992 2010-03-10  David S. Miller  <davem@davemloft.net>
4993
4994         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4995
4996 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4997
4998         * icf.cc (get_section_contents): Add '@' marker after processing the
4999         merge reloc.
5000
5001 2010-03-08  Doug Kwan  <dougkwan@google.com>
5002
5003         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5004         due to a conversion warning.
5005         (Arm_relobj::update_output_local_symbol_count): Check for local
5006         symbol with unset output index.
5007
5008 2010-03-05  Ian Lance Taylor  <iant@google.com>
5009
5010         * options.h (class General_options): Add --spare-dynamic-tags.
5011         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5012         --spare-dynamic-tags.
5013
5014 2010-03-05  Ian Lance Taylor  <iant@google.com>
5015
5016         * incremental.cc: Include "libiberty.h".
5017
5018 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5019
5020         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5021         function, is_info_ member.
5022         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5023         (Versions::Versions): Update caller.
5024         (Versions::define_base_version): Likewise.
5025         (Versions::add_def): Likewise.
5026
5027 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5028
5029         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5030         (Scan::possible_function_pointer_reloc): New function.
5031         (Scan::local_reloc_may_be_function_pointer): Change to call
5032         possible_function_pointer_reloc.
5033         (Scan::global_reloc_may_be_function_pointer): Ditto.
5034         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5035         relocations in ".data.rel.ro._ZTV" section.
5036         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5037         * testsuite/icf_safe_so_test.cc: Ditto.
5038         * testsuite/icf_safe_test.cc: Ditto.
5039         * testsuite/icf_safe_test.sh: Ditto.
5040
5041 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5042             Ian Lance Taylor  <iant@google.com>
5043
5044         * target-reloc.h (relocate_section): Check the symbol table index
5045         for -1U before setting the local symbol index.
5046         (scan_relocatable_relocs): If copying the relocation, record that
5047         the local symbol is required.
5048         * object.h (Symbol_value::is_output_symtab_index_set): New
5049         function.
5050         (Symbol_value::may_be_discarded_from_output_symtab): New
5051         function.
5052         (Symbol_value::has_output_symtab_entry): New function.
5053         (Symbol_value::needs_output_symtab_entry): Remove.
5054         (Symbol_value::output_symtab_index): Make sure the symbol index is
5055         set.
5056         (Symbol_value::set_output_symtab_index): Make sure the symbol
5057         index is not set.  Make sure the new index is valid.
5058         (Symbol_value::set_must_have_output_symtab_entry): New function.
5059         (Symbol_value::has_output_dynsym_entry): New function.
5060         (Symbol_value::set_output_dynsym_index): Make sure the new index
5061         is valid.
5062         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5063         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5064         local symbol if permitted.
5065         (Sized_relobj::do_finalize_local_symbols): Call
5066         is_output_symtab_index_set rather than needs_output_symtab_entry.
5067         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5068         rather than needs_output_symtab_entry.  Call
5069         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5070         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5071         is_output_symtab_index_set rather than needs_output_symtab_entry.
5072         * testsuite/discard_locals_relocatable_test.c: New file.
5073         * testsuite/discard_locals_test.sh: Test -r.
5074         * testsuite/Makefile.am (check_DATA): Add
5075         discard_locals_relocatable_test1.syms,
5076         discard_local_relocatable_test2.syms.
5077         (MOSTLYCLEANFILES): Likewise.  Also add
5078         discard_locals_relocatable_test1.lout and
5079         discard_locals_relocatable_test2.out.
5080         (discard_locals_relocatable_test1.syms): New target.
5081         (discard_locals_relocatable_test.o): New target.
5082         (discard_locals_relocatable_test1.out): New target.
5083         (discard_locals_relocatable_test2.syms): New target.
5084         (discard_locals_relocatable_test2.out): New target.
5085         (various): Add missing ../ld-new dependencies.
5086         * testsuite/Makefile.in: Rebuild.
5087
5088 2010-03-03  Nick Clifton  <nickc@redhat.com>
5089
5090         * po/fi.po: New Finnish translation.
5091
5092 2010-03-01  Doug Kwan  <dougkwan@google.com>
5093
5094         * layout.cc (Layout::Layout): Force section types of .init_array*,
5095         .preinit_array* and .fini_array* sections.
5096         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5097         Fix check of return value of std::string::find.().
5098         (Output_section::Input_section_sort_compare::operator()): Remove
5099         comment about .init_array.
5100         (Output_section::Input_section_sort_init_fini_compare::operator()):
5101         New method.
5102         (Output_section::sort_attached_input_sections): Handle .init_array
5103         and .fini_array specially.
5104         * output.h (Output_section::Inut_section_sort_compare): Update
5105         comment.
5106         (Output_section::Input_section_sort_init_fini_compare): New struct.
5107
5108 2010-02-26  Doug Kwan  <dougkwan@google.com>
5109
5110         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5111         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5112         * testsuite/debug_msg.sh: Avoid matching source line number for
5113         use of global variable undef_int.
5114
5115 2010-02-26  Doug Kwan  <dougkwan@google.com>
5116
5117         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5118         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5119         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5120         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5121         * options.cc (General_options::General_options): Initialize member
5122         fix_v4bx_.
5123         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5124         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5125         and rm_no_fix_v4bx.stdout
5126         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5127         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5128         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5129         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5130         and arm_no_fix_v4bx.
5131         * Makefile.in: Regenerate.
5132         * testsuite/arm_fix_v4bx.s: New file.
5133         * testsuite/arm_fix_v4bx.sh: Ditto.
5134
5135 2010-02-24  Doug Kwan  <dougkwan@google.com>
5136
5137         * arm.cc (Target_arm::got_section): Make the .got section the first
5138         non RELRO section in the data segment.
5139         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5140         suffixes of section names.
5141
5142 2010-02-24  Doug Kwan  <dougkwan@google.com>
5143
5144         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5145         flags and attributes merging if an input file is a binary file.
5146         * fileread.cc (Input_file::open): Record format of original file.
5147         * fileread.h (Input_file::Format): New enum type.
5148         (Input_file::Input_file): Initialize data member format_.
5149         (Input_file::format): New method definition.
5150         (Input_file::format_):: New data member.
5151
5152 2010-02-24  Doug Kwan  <dougkwan@google.com>
5153
5154         * arm.cc (Arm_output_data_got): New class.
5155         (ARM_TCB_SIZE): New constant
5156         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5157         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5158         If user uses a script with a SECTIONS clause, issue only a warning
5159         for a misplaced EXIDX input section.  Otherwise, issue an error.
5160         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5161         garbage collection.
5162         (Target_arm::got_mode_index_entry): Handle static linking.
5163         (Target_arm::Scan::local): Ditto.
5164         (Target_arm::Scan::global): Ditto.
5165         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5166         all incorrectly implemented relocations.
5167         (Target_arm::fix_exidx_coverage): Pass layout to
5168         Arm_output_section::fix_exidx_coverage.
5169         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5170         from ".ARM.exidx." and ".ARM.extab.".
5171
5172 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5173
5174         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5175         section if it does not already exist.
5176         * attributes.cc (Attributes_section_data::Attributes_section_data):
5177         Don't crash if size is zero.
5178
5179 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5180             Ian Lance Taylor  <iant@google.com>
5181
5182         * gold.cc (queue_middle_tasks): If no input files were opened,
5183         exit.
5184         * workqueue.h (Task_function::Task_function): Assert that there is
5185         a blocker.
5186
5187 2010-02-22  Doug Kwan  <dougkwan@google.com>
5188
5189         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5190         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5191         types to avoid warnings due to different uint64_t implementations
5192         on different hosts.
5193
5194 2010-02-21  Doug Kwan  <dougkwan@google.com>
5195
5196         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5197         handling of the maximum backward branch offset.
5198         (Arm_relocate_functions::thumb_branch_common): Ditto.
5199         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5200         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5201         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5202         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5203         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5204         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5205         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5206         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5207         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5208         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5209         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5210         thumb2_bl_out_of_range.o): New rules.
5211         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5212         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5213         thumb2_bl_out_of_range
5214         * testsuite/Makefile.in: Regenerate.
5215         * testsuite/arm_bl_in_range.s: New file.
5216         * testsuite/arm_bl_out_of_range.s: Ditto.
5217         * testsuite/arm_branch_in_range.sh: Ditto.
5218         * testsuite/arm_branch_range.t: Ditto.
5219         * testsuite/thumb2_branch_range.t: Ditto.
5220         * testsuite/thumb_bl_in_range.s: Ditto.
5221         * testsuite/thumb_bl_out_of_range.s: Ditto.
5222         * testsuite/thumb_branch_range.t: Ditto.
5223
5224 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5225
5226         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5227         Add reloc offset information.
5228         * icf.cc (get_section_contents): Change iterators to point to the new
5229         vectors. Add reloc offset information to the contents.
5230         * icf.h (Icf::Sections_reachable_info): New typedef.
5231         (Icf::Sections_reachable_list): New typedef.
5232         (Icf::Offset_info): New typedef.
5233         (Icf::Reloc_info): New struct typedef.
5234         (Icf::Reloc_info_list): New typedef.
5235         (Icf::symbol_reloc_list): Delete method.
5236         (Icf::addend_reloc_list): Delete method.
5237         (Icf::section_reloc_list): Delete method.
5238         (Icf::reloc_info_list): New method.
5239         (Icf::reloc_info_list_): New member.
5240
5241 2010-02-19  Doug Kwan  <dougkwan@google.com>
5242
5243         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5244         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5245         * arm.cc (Arm_relocation_functions): New forward declaration.
5246         (Target_arm::Target_arm): Initialize new data members
5247         got_mod_index_offset_ and tls_base_symbol_defined_.
5248         (Target_arm::Relocate::relocate_tls): New method.
5249         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5250          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5251         New methods.
5252         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5253         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5254         (Target_arm::got_mod_index_offset_,
5255         Target_arm::tls_base_symbol_defined_): New data members.
5256         (Target_arm::Scan::local, Target::Scan::global,
5257         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5258         relocations.
5259
5260 2010-02-18  Doug Kwan  <dougkwan@google.com>
5261
5262         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5263         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5264         text section as a parameter becuase some broken tools may not set
5265         the link in section header.
5266         (Target_arm::has_got_section): New method.
5267         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5268         without any mapping symbol as data only.  Remove warning.
5269         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5270         link in its section header, try to discover the link by inspecting the
5271         REL31 relocation at the beginning of the section.
5272         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5273         in error message.
5274         (Target_arm::Scan::global): Treat any reference to the symbol
5275         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5276
5277 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5278
5279         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5280         (Scan::global_reloc_may_be_function_pointer): New function.
5281         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5282         (Scan::global_reloc_may_be_function_pointer): New function.
5283         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5284         (Scan::global_reloc_may_be_function_pointer): New function.
5285         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5286         (Scan::global_reloc_may_be_function_pointer): New function.
5287         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5288         (Scan::global_reloc_may_be_function_pointer): New function.
5289         (Scan::possible_function_pointer_reloc): New function.
5290         (Target_x86_64::can_check_for_function_pointers): New function.
5291         * gc.h (gc_process_relocs): Scan relocation types to determine if
5292         function pointers were taken for targets that support it.
5293         * icf.cc (Icf::find_identical_sections): Include functions for
5294         folding in safe ICF whose pointer is not taken.
5295         * icf.h (Secn_fptr_taken_set): New typedef.
5296         (fptr_section_id_): New member.
5297         (section_has_function_pointers): New function.
5298         (set_section_has_function_pointers): New function.
5299         (check_section_for_function_pointers): New function.
5300         * options.h: Fix comment for safe ICF option.
5301         * target.h (can_check_for_function_pointers): New function.
5302         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5303         Modify icf_safe_test for X86-64.
5304         * testsuite/Makefile.in: Regenerate.
5305         * testsuite/icf_safe_so_test.cc: New file.
5306         * testsuite/icf_safe_so_test.sh: New file.
5307         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5308         (main): Change to take pointer to function kept_func_3.
5309         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5310         folding is done correctly for X86-64.
5311
5312 2010-02-12  David S. Miller  <davem@davemloft.net>
5313
5314         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5315         is_symbolless parameter.
5316         (Output_reloc<SHT_REL>::is_symbolless): New.
5317         (Output_reloc<SHT_REL>::is_symbolless_): New.
5318         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5319         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5320         (Output_reloc<SHT_RELA>::is_symbolless): New.
5321         (Output_data_reloc::add_global): Handle is_symbolless.
5322         (Output_data_reloc::add_global_relative): Likewise.
5323         (Output_data_reloc::add_local): Likewise.
5324         (Output_data_reloc::add_local_relative): Likewise.
5325         (Output_data_reloc::add_symbolless_global_addend): New.
5326         (Output_data_reloc::add_symbolless_local_addend): New.
5327         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5328         is_symbolless.
5329         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5330         instead of ->is_relative_
5331         (Output_reloc::write): Likewise.
5332         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5333         (Output_reloc::write_rel): Simplify.
5334
5335         * sparc.cc (Target_sparc::Scan::local): Use
5336         ->add_symbolless_local_addend as needed.
5337         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5338         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5339         based upon relocation offset.
5340
5341 2010-02-11  Doug Kwan  <dougkwan@google.com>
5342
5343         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5344         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5345         beginning of function.
5346         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5347         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5348         parameter is_32bit in calls to should_apply_static_reloc.
5349         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5350         (check_DATA): Add arm_abs_global.stdout.
5351         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5352         arm_abs_global.stdout): New rules.
5353         (MOSTLLYCLEANFILES): Add arm_abs_global
5354         * Makefile.in: Regenerate.
5355         * testsuite/arm_abs_global.s: New file.
5356         * testsuite/arm_abs_global.sh: Ditto.
5357         * testsuite/arm_abs_lib.s: Ditto.
5358
5359 2010-02-11  Ian Lance Taylor  <iant@google.com>
5360
5361         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5362         Read_relocs task.
5363         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5364         Allocate_commons_task first.
5365         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5366         task, rather than symtab_lock_.
5367         (Gc_process_relocs::~Gc_process_relocs): New function.
5368         (Gc_process_relocs::is_runnable): Check this_blocker_.
5369         (Gc_process_relocs::locks): Use next_blocker_ rather than
5370         blocker_.
5371         (Scan_relocs::~Scan_relocs): New function.
5372         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5373         symtab_lock_.
5374         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5375         next_blocker_.
5376         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5377         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5378         constructor accordingly.
5379         (class Gc_process_relocs): Likewise.
5380         (class Scan_relocs): Likewise.
5381         * common.h (class Allocate_commons_task): Remove symtab_lock_
5382         field, and corresponding constructor parameter.
5383         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5384         symtab_lock_.
5385         (Allocate_commons_task::locks): Likewise.
5386
5387 2010-02-11  Ian Lance Taylor  <iant@google.com>
5388
5389         * gold-threads.h (class Once): Define.
5390         (class Initialize_lock): Rewrite as child of Once.
5391         * gold-threads.cc (class Once_initialize): Define.
5392         (once_pointer_control): New static variable.
5393         (once_pointer, once_arg): New static variables.
5394         (c_run_once): New static function.
5395         (Once::Once, Once::run_once, Once::internal_run): New functions.
5396         (class Initialize_lock_once): Remove.
5397         (initialize_lock_control): Remove.
5398         (initialize_lock_pointer): Remove.
5399         (initialize_lock_once): Remove.
5400         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5401         (Initialize_lock::initialize): Rewrite.
5402         (Initialize_lock::do_run_once): New function.
5403         * archive.cc (Archive::interpret_header): Only clear name if it is
5404         not already empty.
5405         * fileread.cc: Include "gold-threads.h"
5406         (file_counts_lock): New static variable.
5407         (file_counts_initialize_lock): Likewise.
5408         (File_read::release): Only increment counts when using --stats.
5409         Use a lock around the increment.
5410         * parameters.cc (class Set_parameters_target_once): Define.
5411         (set_parameters_target_once): New static variable.
5412         (Parameters::Parameters): Move here from parameters.h.
5413         (Parameters::set_target): Rewrite.
5414         (Parameters::set_target_once): New function.
5415         (Parameters::clear_target): Move here and rewrite.
5416         * parameters.h (class Parameters): Update declarations.  Add
5417         set_parameters_target_once_ field.
5418         (Parameters::Parameters): Move to parameters.cc.
5419         (Parameters::clear_target): Likewise.
5420         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5421         task.
5422         (Start_group::~Start_group): New function.
5423         (Start_group::is_runnable): New function.
5424         (Start_group::locks, Start_group::run): New functions.
5425         (Finish_group::run): Change saw_undefined to size_t.
5426         * readsyms.h (class Start_group): Define.
5427         (class Finish_group): Change saw_undefined_ field to size_t.
5428         (Finish_group::Finish_group): Remove saw_undefined and
5429         this_blocker parameters.  Change all callers.
5430         (Finish_group::set_saw_undefined): New function.
5431         (Finish_group::set_blocker): New function.
5432         * symtab.h (class Symbol_table): Change saw_undefined to return
5433         size_t.  Change saw_undefined_ field to size_t.
5434         * target-select.cc (Set_target_once::do_run_once): New function.
5435         (Target_selector::Target_selector): Initialize set_target_once_
5436         field.  Don't initialize lock_ and initialize_lock_ fields.
5437         (Target_selector::instantiate_target): Rewrite.
5438         (Target_selector::set_target): New function.
5439         * target-select.h (class Set_target_once): Define.
5440         (class Target_selector): Update declarations.  Make
5441         Set_target_once a friend.  Remove lock_ and initialize_lock_
5442         fields.  Add set_target_once_ field.
5443
5444 2010-02-10  Ian Lance Taylor  <iant@google.com>
5445
5446         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5447         queueing any tasks.
5448         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5449         (queue_middle_tasks): Add all blockers before queueing any tasks.
5450         (queue_final_tasks): Likewise.
5451         * token.h (Task_token::add_blockers): New function.
5452         * object.h (Input_objects::number_of_relobjs): New function.
5453
5454 2010-02-10  Ian Lance Taylor  <iant@google.com>
5455
5456         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5457         shared, not if not position independent.
5458         * x86_64.cc (Relocate::relocate_tls): Likewise.
5459         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5460         (tls_pie_pic_test): New target.
5461         * testsuite/Makefile.in: Rebuild.
5462
5463         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5464         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5465         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5466         * testsuite/Makefile.in: Rebuild.
5467
5468 2010-02-09  David S. Miller  <davem@davemloft.net>
5469
5470         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5471         R_SPARC_RELATIVE using ->add_local_relative().
5472         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5473
5474         * output.h (Output_data_dynamic::add_section_size): New method
5475         that takes two Output_data objects.
5476         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5477         entry param.  Handle it in initializers.
5478         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5479         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5480         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5481         arg.
5482         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5483         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5484         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5485         for dynrel_includes_plt.
5486         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5487         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5488         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5489         before .rela.plt
5490         (Target_sparc::do_finalize_sections): Update to pass true for
5491         dynrel_includes_plt.
5492         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5493         output before .rela.plt
5494         (Target_powerpc::do_finalize_sections): Update to pass true for
5495         dynrel_includes_plt when 32-bit.
5496
5497 2010-02-08  Doug Kwan  <dougkwan@google.com>
5498
5499         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5500         method.
5501         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5502         Arm_relobj::scan_section_for_cortex_a8_stubs,
5503         Arm_relobj::do_relocation_section): Instead of calling
5504         Output_section::output_address, use faster
5505         Arm_relobj::simple_input_section_output_address.
5506
5507 2010-02-08  David S. Miller  <davem@davemloft.net>
5508
5509         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5510         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5511         relocation helper function.
5512
5513         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5514         just like R_SPARC_GOT{10,13,22}.
5515         (Target_sparc::Scan::local): Likewise.
5516         (Target_sparc::Relocate:relocate): Likewise.
5517
5518 2010-02-06  Ian Lance Taylor  <iant@google.com>
5519
5520         * configure.ac: Rewrite targetobjs duplicate removal code to use
5521         only shell constructs.
5522         * configure: Rebuild.
5523
5524 2010-02-05  Doug Kwan  <dougkwan@google.com>
5525
5526         PR 11247
5527         * arm.cc (Arm_relobj::section_is_scannable): New method.
5528         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5529         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5530
5531 2010-02-04  Doug Kwan  <dougkwan@google.com>
5532
5533         PR 11247
5534         * arm-reloc-property.cc (cstdio): Include.
5535         * configure.ac (targetobjs): Remove duplicates.
5536         * configure: Regenerate.
5537         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5538         big and little endian version for a given address size.
5539
5540 2010-02-03  Doug Kwan  <dougkwan@google.com>
5541
5542         * arm-reloc-property.cc
5543         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5544         definition.
5545         * arm-reloc-property.h
5546         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5547         New method definition.
5548         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5549         declaration.
5550         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5551         overflow to N.
5552         (GOT_PREL): Change implemented to Y.
5553         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5554         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5555         (Arm_relocate_functions::movw_abs_nc): Remove method.
5556         (Arm_relocate_functions::movt_abs): Ditto.
5557         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5558         (Arm_relocate_functions::thm_movt_abs): Ditto.
5559         (Arm_relocate_functions::movw_rel_nc): Ditto.
5560         (Arm_relocate_functions::movw_rel): Ditto.
5561         (Arm_relocate_functions::movt_rel): Ditto.
5562         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5563         (Arm_relocate_functions:thm_movw_rel): Ditto.
5564         (Arm_relocate_functions:thm_movt_rel): Ditto.
5565         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5566         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5567         New method definitions.
5568         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5569         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5570         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5571         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5572         (Target_arm::Relocate::relocate): Check for non-static or
5573         unimplemented relocation code and exit early.  Change calls to
5574         Target_arm::reloc_uses_thumb_bit and
5575         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5576         instead.  Refactor code to handle similar relocations to increase
5577         code sharing.  Remove check for unsupported relocation code in switch
5578         statement.
5579         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5580         relocation property table to find out size.  Change error message to
5581         print out the name of a relocation code instead of the numeric value.
5582         (Target_arm::scan_reloc_for_stub): Use relocation property table
5583         instead of calling Target_arm::reloc_uses_thumb_bit().
5584
5585 2010-02-02  Doug Kwan  <dougkwan@google.com>
5586
5587         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5588         types of relaxed input section.
5589
5590 2010-02-02  Doug Kwan  <dougkwan@google.com>
5591
5592         * Makefile.am (HFILES): Add arm-reloc-property.h.
5593         (DEFFILES): New.
5594         (TARGETSOURCES): Add arm-reloc-property.cc
5595         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5596         (libgold_a_SOURCES): $(DEFFILES)
5597         * Makefile.in: Regenerate.
5598         * arm-reloc-property.cc: New file.
5599         * arm-reloc-property.h: New file.
5600         * arm-reloc.def: New file.
5601         * arm.cc: Update comments.
5602         (arm-reloc-property.h): New included header.
5603         (arm_reloc_property_table): New global variable.
5604         (Target_arm::do_select_as_default_target): New method definition.
5605         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5606         arm-reloc-property to targ_extra_obj.
5607         * parameters.cc (set_parameters_target): Call
5608         Target::select_as_default_target().
5609         * target.h (Target::select_as_default_target): New method definition.
5610         (Target::do_select_as_default_target): Same.
5611
5612 2010-02-01  Doug Kwan  <dougkwan@google.com>
5613
5614         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5615         first_output_text_section_.
5616         (Arm_exidx_fixup::first_output_text_section): New method definition.
5617         (Arm_exidx_fixup::first_output_text_section_): New data member.
5618         (Arm_exidx_fixup::process_exidx_section): Record the first text
5619         output section seen.
5620         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5621         and entsize in output section header.
5622
5623 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5624
5625         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5626         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5627         (Arm_relocate_functions::thm_alu11): New Method.
5628         (Arm_relocate_functions::thm_pc8): New Method.
5629         (Arm_relocate_functions::thm_pc12): New Method.
5630         (Target_arm::Scan::local): Handle the relocations.
5631         (Target_arm::Scan::global): Likewise.
5632         (Target_arm::Relocate::relocate): Likewise.
5633         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5634
5635 2010-01-29  Doug Kwan  <dougkwan@google.com>
5636
5637         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5638         of relocation types as ld.
5639
5640 2010-01-29  Doug Kwan  <dougkwan@google.com>
5641
5642         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5643         to public.
5644         (Arm_relocate_functions::thumb_branch_common): Ditto.
5645         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5646         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5647         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5648         Arm_relocate_functions::jump24): Remove.
5649         (Target_arm::Relocate::relocate): Adjust code to call
5650         Arm_relocation_functions::arm_branch_common and
5651         Arm_relocation_functions::thumb_branch_common instead of their removed
5652         wrappers.  Merge switch-cases together to reduce source code size.
5653
5654 2010-01-29  Doug Kwan  <dougkwan@google.com>
5655
5656         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5657         output_local_symbol_count_needs_update_.
5658         (Arm_relobj::output_local_symbol_count_needs_update,
5659          Arm_relobj::set_output_local_symbol_count_needs_update,
5660          Arm_relobj::update_output_local_symbol_count): New methods.
5661         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5662         member.
5663         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5664         of pointed function as in a R_ARM_PREL31 relocation.
5665         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5666         for output local symbol count updating.
5667         (Target_arm::do_relax): Update output local symbol counts in objects
5668         if necessary.
5669         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5670
5671 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5672
5673         * arm.cc: Added support for the ARM relocations:
5674         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5675         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5676         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5677         movw_prel_nc).
5678         (Arm_relocate_functions::movw_rel): New method.
5679         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5680         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5681         thm_movw_prel_nc).
5682         (Arm_relocate_functions::thm_movw_rel): New method.
5683         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5684         thm_movt_prel).
5685         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5686         relocations.
5687         (Target_arm::Scan::global): Likewise.
5688         (Target_arm::Relocate::relocate): Likewise.
5689         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5690         Likewise.
5691
5692 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5693
5694         * arm.cc: Added support for ARM group relocations.
5695         (Target_arm::reloc_needs_sym_origin): New method.
5696         (Arm_relocate_functions::calc_grp_kn): New method.
5697         (Arm_relocate_functions::calc_grp_residual): New method.
5698         (Arm_relocate_functions::calc_grp_gn): New method.
5699         (Arm_relocate_functions::arm_grp_alu): New Method.
5700         (Arm_relocate_functions::arm_grp_ldr): New Method.
5701         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5702         (Arm_relocate_functions::arm_grp_ldc): New Method.
5703         (Target_arm::Scan::local): Handle the ARM group relocations.
5704         (Target_arm::Scan::global): Likewise.
5705         (Target_arm::Relocate::relocate): Likewise.
5706         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5707         Likewise.
5708
5709 2010-01-26  Doug Kwan  <dougkwan@google.com>
5710
5711         * arm.cc (set): Include.
5712         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5713         pointer type.
5714         (Arm_output_section::Text_section_list): New type.
5715         (Arm_output_section::append_text_sections_to_list): New method.
5716         (Arm_output_section::fix_exidx_coverage): Ditto.
5717         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5718         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5719         Relobj::set_section_offset() instead of
5720         Sized_relobj::invalidate_section_offset().
5721         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5722         parameter for section headers. Ignore relocation sections for
5723         unallocated sections and EXIDX sections.
5724         (Target_arm::fix_exidx_coverage): New method.
5725         (Target_arm::output_section_address_less_than): New type.
5726         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5727         linked text section instead of the EXIDX section.
5728         (Arm_output_section::create_stub_group): Add an assertion to check
5729         that this is not an EXIDX output section.
5730         (Arm_output_section::append_text_sections_to_list): New method.
5731         (Arm_output_section::fix_exidx_coverage): Ditto.
5732         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5733         Arm_relobj::section_needs_reloc_stub_scanning.
5734         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5735         first pass.
5736         (Target_arm::fix_exidx_coverage): New method.
5737         * object.h (Relobj::set_output_section): New method.
5738         (Sized_relobj::invalidate_section_offset): Remove method.
5739         (Sized_relobj::do_invalidate_section_offset): Remove method.
5740         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5741
5742 2010-01-25  Doug Kwan  <dougkwan@google.com>
5743
5744         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5745         Fix warning due to signed and unsigned comparison on a 32-bit host.
5746
5747 2010-01-22  Doug Kwan  <dougkwan@google.com>
5748
5749         * arm.cc (Target_arm::do_relax): Record an output section for section
5750         offset adjustment it contains any stub table that has changed.
5751         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5752         offsets in an output section if necessary.
5753         * output.cc (Output_section::Output_section): Initialize
5754         section_offsets_need_adjustments_.
5755         (Output_section::add_input_section_for_script): Renamed to
5756         Output_section::add_simple_input_section.
5757         (Output_section::save_states): Add a comment.
5758         (Output_section::discard_states): New method defintion.
5759         (Output_section::adjust_section_offsets): Same.
5760         * output.h (Output_section::add_input_section_for_script): Renamed to
5761         Output_section::add_simple_input_section.
5762         (Output_section::discard_states): New method declaration.
5763         (Output_section::adjust_section_offsets): Same.
5764         (Output_section::section_offsets_need_adjustment,
5765         Output_section::set_section_offsets_need_adjustment): New method
5766         definitions.
5767         (Output_section::section_offsets_need_adjustment_): New data member.
5768         * script-sections.cc
5769         (Output_section_element_input::set_section_address): Adjust code for
5770         renaming of Output_section::add_input_section_for_script.
5771         (Orphan_output_section::set_section_address): Same.
5772
5773 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5774
5775         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5776         Fix_v4bx enum values .
5777         * gold/options.h (General_options): New option definitions.
5778         (General_options::fix_v4bx): New method.
5779         (General_options::Fix_v4bx): New enum.
5780         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5781         (General_options::parse_fix_v4bx_interworking): New method.
5782
5783 2010-01-22  Doug Kwan  <dougkwan@google.com>
5784
5785         * arm.cc (Arm_exidx_fixup): New class.
5786
5787 2010-01-21  Doug Kwan  <dougkwan@google.com>
5788
5789         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5790         classes.
5791         (Arm_exidx_section_offset_map): New type.
5792
5793 2010-01-21  Doug Kwan  <dougkwan@google.com>
5794
5795         * arm.cc (Arm_exidx_input_section): New class.
5796         (Arm_relobj::exidx_input_section_by_link,
5797         Arm_relobj::exidx_input_section_by_shndx,
5798         Arm_relobj::make_exidx_input_section): New methods.
5799         (read_arm_attributes_section): Remove.
5800         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5801         information about them.
5802         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5803         to here.
5804
5805 2010-01-20  Doug Kwan  <dougkwan@google.com>
5806
5807         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5808         Input_section_specifier to Section_id.
5809         (Target_arm::new_arm_input_section: Adjust code for change of key
5810         type.
5811         (Target_arm::find_arm_input_section): Ditto.
5812         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5813         (Section_id): Remove.
5814         (Garbage_collection::Section_id_hash): Remove.
5815         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5816         (Section_id): Remove.
5817         (Icf::Section_id_hash): Remove.
5818         * object.h (Section_id, Const_section_id, Section_id_hash,
5819         Const_section_id_hash): New type definitions.
5820         * output.cc (Output_section::add_relaxed_input_section): Change to
5821         use Const_section_id instead of Input_section_specifier as key type.
5822         (Output_section::add_merge_input_section): Ditto.
5823         (Output_section::build_relaxation_map): Change to use Section_id
5824         instead of Input_section_specifier as key type.
5825         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5826         Ditto.
5827         (Output_section::convert_input_sections_to_relaxed_sections): Change
5828         to use Const_section_id instead of Input_section_specifier as key type.
5829         (Output_section::find_merge_section): Ditto.
5830         (Output_section::find_relaxed_input_section): Ditto.
5831         * output.h (Input_section_specifier): Remove class.
5832         (Output_section::Output_section_data_by_input_section_map): Change
5833         key type to Const_section_id.
5834         (Output_section::Output_relaxed_input_section_by_input_section_map):
5835         Ditto.
5836         (Output_section::Relaxation_map): Change key type to Section_id.
5837
5838 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5839
5840         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5841         (class Arm_v4bx_stub): New class.
5842         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5843         (Stub_factory::make_arm_v4bx_stub): New method.
5844         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5845         (Stub_table::empty): Handle v4bx stubs.
5846         (Stub_table::add_arm_v4bx_stub): New method.
5847         (Stub_table::find_arm_v4bx_stub): New method.
5848         (Arm_relocate_functions::v4bx): New method.
5849         (Target_arm::fix_v4bx): New method.
5850         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5851         (Stub_table::relocate_stubs): Likewise.
5852         (Stub_table::do_write): Likewise.
5853         (Stub_table::update_data_size_and_addralign): Likewise.
5854         (Stub_table::finalize_stubs):  Likewise.
5855         (Target_arm::Scan::local): Likewise.
5856         (Target_arm::Scan::global): Likewise.
5857         (Target_arm::do_finalize_sections): Likewise.
5858         (Target_arm::Relocate::relocate): Likewise.
5859         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5860         Likewise.
5861         (Target_arm::scan_reloc_for_stub): Likewise.
5862         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5863
5864 2010-01-19  Ian Lance Taylor  <iant@google.com>
5865
5866         * output.cc (Output_section_headers::do_sized_write): Write large
5867         segment count to sh_info field.
5868         (Output_file_header::do_sized_write): For large segment count,
5869         write PN_XNUM to e_phnum field.
5870
5871 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5872
5873         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5874         (Arm_relocate_functions::thm_jump8): New function.
5875         (Arm_relocate_functions::thm_jump11): New function.
5876         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5877         R_ARM_THM_JUMP11.
5878         (Target_arm::Scan::global): Likewise.
5879         (Target_arm::Relocate::relocate): Likewise.
5880         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5881         Likewise.
5882
5883 2010-01-14  Doug Kwan  <dougkwan@google.com>
5884
5885         * arm.cc (map, utility): Include headers.
5886         (Target_arm::apply_cortex_a8_workaround): New method.
5887         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5888         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5889         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5890         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5891         the --[no-]fix-cortex-a8 command line options.
5892         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5893         (Target_arm::relocate_stub): Use addend in instruction template.
5894         * options.h (DEFINE_bool): Set the user-set flag.
5895         (General_options): Add --[no-]-fix-cortex options.
5896         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5897         : Update fast look-up map after conversion.
5898
5899 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5900
5901         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5902         in the first pass of do_layout.
5903
5904 2010-01-13  Doug Kwan  <dougkwan@google.com>
5905
5906         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5907         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5908         apparent compiler problem of not folding static constant integral
5909         data members of elfcpp::Elf_sizes<32>.
5910
5911 2010-01-13  Doug Kwan  <dougkwan@google.com>
5912
5913         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5914         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5915         Arm_relobj::scan_section_for_cortex_a8_erratum,
5916         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5917         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5918         sections to scan for relocation stubs into a new method
5919         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5920         relocation and Cortex-A8 stub scanning.
5921         (Target_arm::do_relax): Force stubs to be after stubbed sections
5922         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5923         the beginning of a new relaxation pass.  Update a comment.
5924         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5925
5926 2010-01-12  Ian Lance Taylor  <iant@google.com>
5927
5928         * target-reloc.h (visibility_error): New inline function.
5929         (relocate_section): Call visibility_error.
5930         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5931         (MOSTLYCLEANFILES): Likewise.
5932         (protected_4_pic.o, protected_3.err): New targets.
5933         * testsuite/protected_4.cc: New file.
5934
5935 2010-01-12  Doug Kwan  <dougkwan@google.com>
5936
5937         * arm.cc (Cortex_a8_reloc): New class.
5938         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5939         and cortex_a8_relocs_info_.
5940         (Target_arm::fix_cortex_a8): New method definition.
5941         (Target_arm::Cortex_a8_relocs_info): New type.
5942         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5943         New data member declarations.
5944         (Target_arm::scan_reloc_for_stub): Record information about
5945         relocations for THUMB branches that might be exempted from the
5946         Cortex-A8 workaround.
5947         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5948         at the beginning of a relaxation pass.
5949
5950 2010-01-12  Doug Kwan  <dougkwan@google.com>
5951
5952         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5953         (Arm_relobj::Mapping_symbol_position,
5954          Arm_reloj::Mapping_symbol_position_less,
5955          Arm_relobj::Mapping_symbols_info): New types.
5956         (Target_arm::is_mapping_symbol_name): New method definition.
5957         (Arm_relobj::do_count_local_symbols): Save information about mapping
5958         symbols.
5959
5960 2010-01-11  Doug Kwan  <dougkwan@google.com>
5961
5962         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5963         Arm_relocate_functions::thumb32_branch_upper,
5964         Arm_relocate_functions::thumb32_branch_lower,
5965         Arm_relocate_functions::thumb32_cond_branch_offset,
5966         Arm_relocate_functions::thumb32_cond_branch_upper,
5967         Arm_relocate_functions::thumb32_cond_branch_lower,
5968         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5969         branch offset encoding.
5970         (Arm_relocate_functions::thumb_branch_common): Use new branch
5971         offset encoding methods to avoid code duplication.
5972         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5973         (Stub_addend_reader::operator()): Use new branch encoding method
5974         to avoid code duplication.
5975
5976 2010-01-11  Doug Kwan  <dougkwan@google.com>
5977
5978         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5979         (Target_arm::do_finalize_sections): Define special EXIDX section
5980         symbols only if referenced.
5981         * gc.h (Garbage_collection::add_reference): New method.
5982         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5983         code duplication.
5984
5985 2010-01-11  Ian Lance Taylor  <iant@google.com>
5986
5987         * script.cc (Version_script_info::build_expression_list_lookup):
5988         Change complaing about duplicate wildcard match from error to
5989         warning.
5990
5991         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5992         of 2009-12-30.
5993         (Version_script_info::Version_script_info): Initialize globs_,
5994         default_version_, default_is_global_, and exact_.  Don't
5995         initialize globals_ or locals_.
5996         (Version_script_info::build_lookup_tables): Build local symbols
5997         first.
5998         (Version_script_info::unquote): New function.
5999         (Version_script_info::add_exact_match): New function.
6000         (Version_script_info::build_expression_list_lookup): Remove lookup
6001         parameter.  Add is_global parameter.  Change all callers.  Handle
6002         wildcard pattern specially.  Unquote pattern.  Call
6003         add_exact_match.
6004         (Version_script_info::get_name_to_match): New function.
6005         (Version_script_info::get_symbol_version): New function.
6006         (Version_script_info::get_symbol_version_helper): Remove.
6007         (Version_script_info::check_unmatched_names): Call unquote.
6008         * script.h (class Version_script_info): Change get_symbol_version
6009         to be non-inline and add is_global parameter; change all callers.
6010         Rewrite symbol_is_local.  Update declarations.  Define struct
6011         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6012         Remove globals_ and locals_ members.  Add exact_, globs_,
6013         default_version_, is_global_.
6014         (Version_script_info::Glob): Remove pattern, add expression and
6015         is_global.  Update constructor.  Change all callers.
6016         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6017         default version.
6018         (Versions::symbol_section_contents): If a symbol is undefined, or
6019         defined in a dynamic object, set the version index to
6020         VER_NDX_LOCAL.
6021         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6022         symbol_is_local.
6023         (Symbol_table::add_from_pluginobj): Likewise.
6024         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6025
6026 2010-01-11  Doug Kwan  <dougkwan@google.com>
6027
6028         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6029         (incremental_dump_LDADD): Add linking option for libintl.
6030         * Makefile.in: Regenerate.
6031
6032 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6033
6034         PR gold/11144
6035         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6036         instead of -Ds.
6037         * testsuite/Makefile.in: Regenerated.
6038
6039 2010-01-10  Doug Kwan  <dougkwan@google.com>
6040
6041         * options.h (DEFINE_var): Use parentheses around argument varname__
6042         in macro body to avoid any unintended subsequent substitutions.
6043
6044 2010-01-10  Ian Lance Taylor  <iant@google.com>
6045
6046         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6047         candidates before doing symbol resolution.
6048
6049         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6050         ODR candidates if only one is weak.
6051
6052 2010-01-08  Ian Lance Taylor  <iant@google.com>
6053
6054         * script.cc (Version_script_info::build_expression_list_lookup):
6055         Don't warn about ambiguous version, just record the ambiguity.
6056         (Version_script_info::get_symbol_version_helper): Give error if
6057         version is ambiguous.
6058
6059 2010-01-08  Doug Kwan  <dougkwan@google.com>
6060
6061         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6062           prev_data_size_ and prev_addralign_.  Remove initializer for
6063           deleted data member has_been_changed_.
6064           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6065           to determine if the table is empty.
6066           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6067           Remove.
6068           (Stub_table::add_reloc_stub): Define method in class definition
6069           instead of just declaring it there.
6070           (Stub_table::add_cortex_a8_stub): New method definition.
6071           (Stub_table::update_data_size_and_addralign): Ditto.
6072           (Stub_table::finalize_stubs): Ditto.
6073           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6074           (Stub_table::do_addralign_): Return address alignment in the
6075           (Stub_table::do_reset_address_and_file_offset): Define method in
6076           class definition instead of declaring it there.  Set current data
6077           size to be the data size of the previous pass.
6078           (Stub_table::set_final_data_size): Use current data size as the
6079           final data size.
6080           (Stub_table::relocate_stub): Change parameter type of stub from
6081           Reloc_stub pointer to Stub pointer.
6082           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6083           (Stub_table::Cortex_a8_stub_list): New typedef.
6084           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6085            Stub_table::prev_addralign_): New data member.
6086           (Arm_relobj::Arm_relobj): Initialize data member
6087           section_has_cortex_a8_workaround_.
6088           (Arm_relobj::section_has_cortex_a8_workaround,
6089            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6090            definitions.
6091           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6092           declarations.
6093           (Target_arm::relocate_stub): Change parameter type of stub from
6094           Reloc_stub pointer to Stub pointer.
6095           (Insn_template::size, Insn_template::alignment): Handle
6096           THUMB16_SPECIAL_TYPE.
6097           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6098            Stub_table::update_data_size_and_addralign,
6099            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6100           definitions.
6101           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6102           (Stub_table::do_write): Ditto.
6103           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6104
6105 2010-01-08  Ian Lance Taylor  <iant@google.com>
6106
6107         PR 11108
6108         * symtab.h (class Symbol): Remove fields is_target_special_ and
6109         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6110         (Symbol::is_defined_in_discarded_section): New function.
6111         (Symbol::set_is_defined_in_discarded_section): New function.
6112         (Symbol::has_plt_offset): Rewrite.
6113         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6114         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6115         Don't initialize is_target_special_ or has_plt_offset_.
6116         Initialize is_defined_in_discarded_section_.
6117         (Symbol_table::add_from_relobj): If appropriate, set
6118         is_defined_in_discarded_section.
6119         * resolve.cc (Symbol::override_base_with_special): Don't test
6120         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6121         * target-reloc.h (relocate_section): Do special handling for
6122         symbols defined in discarded sections for global symbols as well
6123         as local symbols.
6124
6125 2010-01-08  Ian Lance Taylor  <iant@google.com>
6126
6127         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6128         the SHT_SYMTAB case.
6129
6130 2010-01-08  Ian Lance Taylor  <iant@google.com>
6131
6132         * object.cc (Sized_relobj::do_layout): Don't get confused if
6133         layout_eh_frame returns NULL.
6134
6135 2010-01-08  Ian Lance Taylor  <iant@google.com>
6136
6137         PR 11084
6138         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6139         dynamic symbol table, use the normal symbol table.
6140         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6141         symbol table.
6142
6143 2010-01-08  Ian Lance Taylor  <iant@google.com>
6144
6145         PR 11072
6146         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6147         sections.
6148
6149 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6150
6151         * version.cc (print_version): Change to "Copyright 2010".
6152
6153 2010-01-08  Ian Lance Taylor  <iant@google.com>
6154
6155         PR 10287
6156         PR 11063
6157         * i386.cc (class Target_i386): Change return type of plt_section
6158         to be non-const.
6159         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6160         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6161         tls_desc_rel_ field.
6162         (Output_data_plt_i386::rel_tls_desc): New function.
6163         (Target_i386::rel_tls_desc_section): New function.
6164         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6165         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6166         R_386_TLS_DESC reloc in rel_tls_desc_section.
6167         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6168         Define struct Tlsdesc_info.
6169         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6170         (Target_x86_64::do_reloc_symbol_index): New function.
6171         (Target_x86_64::add_tlsdesc_info): New function.
6172         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6173         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6174         tlsdesc_rel_ field.
6175         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6176         all callers.
6177         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6178         (Target_x86_64::rela_tlsdesc_section): New function.
6179         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6180         handling.
6181         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6182         (Target_x86_64::do_reloc_addend): New function.
6183         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6184         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6185         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6186         (Output_reloc::type): New function.
6187         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6188         (Output_reloc::is_target_specific): New function.
6189         (Output_reloc::target_arg): New function.
6190         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6191         absolute relocs and target specific relocs.
6192         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6193         add_target_specific.
6194         (class Output_data_reloc) [SHT_RELA]: Likewise.
6195         * output.cc (Output_reloc::Output_reloc): Add four new versions
6196         for absolute relocs and target specific relocs.
6197         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6198         (Output_reloc::get_symbol_index): Likewise.
6199         (Output_reloc::local_section_offset): Check that local_sym_index_
6200         is not TARGET_CODE or 0.
6201         (Output_reloc::symbol_value): Likewise.
6202         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6203         reloc.
6204         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6205         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6206         functions.
6207         * layout.cc (add_target_dynamic_tags): Use output section for
6208         DT_PLTRELSZ and DT_JMPREL.
6209
6210 2010-01-07  Ian Lance Taylor  <iant@google.com>
6211
6212         PR 11061
6213         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6214         function.
6215         (class Output_data_reloc_generic): Define.
6216         (class Output_data_reloc_base): Change base class to
6217         Output_data_reloc_generic.  Change add() method to call
6218         bump_relative_reloc_count for a relative reloc.  Remove
6219         sort_relocs_ field.
6220         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6221         to sort_relocs().
6222         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6223         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6224         appropriate.
6225         * layout.h (class Layout): Update declaration.
6226
6227 2010-01-07  Ian Lance Taylor  <iant@google.com>
6228
6229         * output.h (class Output_data): Add const version of
6230         output_section and do_output_section.
6231         (class Output_section_data): Add const version of
6232         do_output_section.
6233         (class Output_section): Likewise.
6234         * layout.cc (Layout::add_target_dynamic_tags): New function.
6235         * layout.h (class Layout): Update declarations.
6236         * arm.cc (Target_arm::do_finalize_sections): Use
6237         add_target_dynamic_tags.
6238         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6239         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6240         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6241         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6242
6243 2010-01-07  Ian Lance Taylor  <iant@google.com>
6244
6245         PR 11042
6246         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6247         object as needed.
6248
6249 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6250             Ian Lance Taylor  <iant@google.com>
6251
6252         PR 11019
6253         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6254         Xindex::read_symtab_xindex.
6255
6256 2010-01-07  Doug Kwan  <dougkwan@google.com>
6257
6258         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6259         (Insn_template::thumb16_bcond_insn): New method declaration.
6260         (Insn_template): Fix spelling.
6261         (Stub::thumb16_special): New method declaration.
6262         (Stub::do_write): Define virtual method which was previously pure
6263         virtual.
6264         (Stub::do_thumb16_special): New method declaration.
6265         (Stub::do_fixed_endian_write): New template member.
6266         (Reloc_stub::do_write): Remove.
6267         (Reloc_stub::do_fixed_endian_write): Remove.
6268         (Cortex_a8_stub): New class definition.
6269         (Stub_factory::make_cortex_a8_stub): New method definition.
6270         (Stub_factory::Stub_factory): Add missing static storage class
6271         qualifier for elf32_arm_stub_a8_veneer_blx.
6272
6273 2010-01-07  Ian Lance Taylor  <iant@google.com>
6274
6275         PR 10980
6276         * options.h (class General_options): Add --warn-unresolved-symbols
6277         and --error-unresolved-symbols.
6278         * errors.cc (Errors::undefined_symbol): Implement
6279         --warn-unresolved-symbols.
6280
6281         * options.h (class General_options): Add -z text and -z textoff.
6282         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6283
6284 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6285
6286         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6287         (Garbage_collection::cident_sections): New function.
6288         (Garbage_collection::add_cident_section): New function.
6289         (Garbage_collection::cident_sections_): New member.
6290         (gc_process_relocs): Add references to sections whose names are C
6291         identifiers.
6292         * gold.h (cident_section_start_prefix): New constant.
6293         (cident_section_stop_prefix): New constant.
6294         (is_cident): New function.
6295         * layout.cc (Layout::define_section_symbols): Replace string constants
6296         with the newly defined constants.
6297         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6298         C identifiers.
6299         * testsuite/Makefile.am: Add gc_orphan_section_test.
6300         * testsuite/Makefile.in: Regenerate.
6301         * testsuite/gc_orphan_section_test.cc: New file.
6302         * testsuite/gc_orphan_section_test.sh: New file.
6303
6304 2010-01-06  Ian Lance Taylor  <iant@google.com>
6305
6306         PR 10980
6307         * options.h (class General_options): Add --warn-shared-textrel.
6308         * layout.cc (Layout::finish_dynamic_section): Implement
6309         --warn-shared-textrel.
6310
6311         PR 10980
6312         * options.h (class General_options): Add --warn-multiple-gp.
6313
6314 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6315
6316         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6317         $(THREADSLIB) and $(LIBDL).
6318         * Makefile.in: Rebuild.
6319
6320 2010-01-06  Ian Lance Taylor  <iant@google.com>
6321
6322         PR 10980
6323         * options.cc (General_options::parse_section_start): New function.
6324         (General_options::section_start): New function.
6325         (General_options::General_options): Initialize all members.
6326         * options.h: Include <map>
6327         (class General_options): Add --section-start.  Add section_starts_
6328         member.
6329         * layout.cc (Layout::attach_allocated_section_to_segment): If
6330         --section-start was used, set the address of the segment.  Remove
6331         local sort_sections.
6332         (Layout::relaxation_loop_body): If the address of the load segment
6333         has been set by --section-start, don't use it.
6334         * output.h (Output_segment::update_flags_for_output_section): New
6335         function.
6336         * output.cc (Output_segment::add_output_section): Call
6337         update_flags_for_output_section.
6338
6339 2010-01-05  Ian Lance Taylor  <iant@google.com>
6340
6341         PR 10980
6342         * options.h (class General_options): Add --undefined-version.
6343         * script.cc (struct Version_expression): Add was_matched_by_symbol
6344         field.
6345         (Version_script_info::matched_symbol): New function.
6346         (Version_script_info::get_symbol_version_helper): Call
6347         matched_symbol.
6348         (Version_script_info::check_unmatched_names): New function.
6349         * script.h (class Version_script_info): Update declarations.
6350         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6351
6352         * options.h (class General_options): Use DEFINE_bool_alias for
6353         allow_multiple_definition.
6354         * resolve.cc (Symbol_table::should_override): Don't test
6355         allow_multiple_definition.
6356
6357         PR 10980
6358         * options.h (class General_options): Add --cref.
6359         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6360         until after printing cref table.
6361         * cref.cc: Include "symtab.h".
6362         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6363         (Cref_table_compare::operator()): New function.
6364         (Cref_inputs::gather_cref): New function.
6365         (filecol): New static const.
6366         (Cref_inputs::print_cref): New function.
6367         (Cref::print_cref): New function.
6368         * cref.h: Include <cstdio>.
6369         (class Cref): Update declarations.
6370         * mapfile.h (Mapfile::file): New function.
6371         * object.h (class Object): Define Symbols.  Declare virtual
6372         do_get_global_symbols.
6373         (Object::get_global_symbols): New function.
6374         * object.cc (Input_objects::add_object): Pass object to cref_ if
6375         --cref.
6376         (Input_objects::archive_start): Likewise.
6377         (Input_objects::archive_stop): Likewise.
6378         (Input_objects::print_cref): New function.
6379         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6380         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6381         --cref.
6382         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6383         function.
6384         * plugin.h (class Sized_pluginobj): Update declarations.
6385
6386 2010-01-05  Ian Lance Taylor  <iant@google.com>
6387
6388         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6389         to is_default_version.  Rename insdef to insdefault.
6390         (Symbol_table::add_from_relobj): Rename def to is_default_version
6391         and local to is_forced_local.
6392         (Symbol_table::add_from_pluginobj): Likewise.
6393         (Symbol_table::add_from_dynobj): Likewise.
6394         (Symbol_table::define_special_symbol): Rename insdef to
6395         insdefault.
6396
6397 2010-01-04  Ian Lance Taylor  <iant@google.com>
6398
6399         PR 10980
6400         * options.h (class General_options): Add
6401         --allow-multiple-definition and -z muldefs.
6402         * resolve.cc (Symbol_table::should_override): Don't warn about a
6403         multiple symbol definition if --allow-multiple-definition or -z
6404         muldefs.
6405
6406         PR 10980
6407         * options.h (class General_options): Add --add-needed and
6408         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6409         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6410         error if --copy-dt-needed-entries aka --add-needed is used and
6411         would cause a change in behaviour.
6412
6413         PR 10980
6414         * options.h (class General_options): Add -G as a short version of
6415         --shared.  Add no-op options -assert, -g, and -i.
6416
6417 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6418
6419         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6420         check for .text or .gnu.linkonce.t sections.
6421         * icf.cc (Icf::find_identical_sections): Ditto.
6422         Change the detection for mangled function name within the section
6423         name.
6424         * icf.h (is_section_foldable_candidate): New function.
6425
6426 2009-12-30  Ian Lance Taylor  <iant@google.com>
6427
6428         PR 10980
6429         * options.h (class General_options): Permit two dashes with
6430         --retain-symbols-file.
6431
6432 2009-12-30  Ian Lance Taylor  <iant@google.com>
6433
6434         PR 10979
6435         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6436         don't put the file header and segment headers in the text
6437         segment.
6438
6439         PR 10979
6440         * common.cc (Sort_commons::operator()): Stabilize sort when both
6441         entries are NULL.
6442         (Symbol_table::do_allocate_commons_list): When allocating common
6443         symbols, skip a symbol which is no longer common.
6444         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6445         an object before checking its type.
6446         * testsuite/common_test_2.c: New file.
6447         * testsuite/common_test_3.c: New file.
6448         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6449         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6450         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6451         (common_test_2_pic.o, common_test_2.so): New targets.
6452         (common_test_3_pic.o, common_test_3.so): New targets.
6453         * testsuite/Makefile.in: Rebuild.
6454
6455         PR 10979
6456         * script.cc (read_input_script): If we see a new SECTIONS clause,
6457         and we have added an input section, give an error.
6458         * layout.h (class Layout): Add have_added_input_section function.
6459         Add have_added_input_section_ field.
6460         * layout.cc (Layout::Layout): Initialize
6461         have_added_input_section_.
6462         (Layout::layout): Set have_added_input_section_.
6463         (Layout::layout_eh_frame): Likewise.
6464
6465 2009-12-30  Ian Lance Taylor  <iant@google.com>
6466
6467         PR 10931
6468         * options.h (class General_options): Add --sort-common option.
6469         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6470         * common.cc (Sort_common): Add sort_order parameter to
6471         constructor.  Add sort_order_ field.
6472         (Sort_commons::operator): Check sort_order_.
6473         (Symbol_table::allocate_commons): Determine the sort order.
6474         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6475         Change all callers.
6476         (Symbol_table::do_allocate_commons_list): Likewise.
6477
6478 2009-12-30  Ian Lance Taylor  <iant@google.com>
6479
6480         PR 10916
6481         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6482         symbols from this object, don't change the visibility of an
6483         undefined symbol.
6484         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6485
6486 2009-12-30  Ian Lance Taylor  <iant@google.com>
6487
6488         PR 10861
6489         * script.h (class Version_script_info): Define Language enum.
6490         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6491         new fields globals_, locals_, and is_finalized_.
6492         * script.cc: Various formatting fixes.
6493         (class Parser_closure): Change language_stack_ from a vector of
6494         std::string to one of Version_script_info::Language.  Adjust all
6495         uses accordingly.
6496         (class Lazy_demangler): Remove.
6497         (struct Version_expression): Change language from std::string to
6498         Version_script_info::Language.
6499         (Version_script_info::Version_script_info): New function.
6500         (Version_script_info::~Version_script_info): Don't call clear.
6501         (Version_script_info::finalize): New function.
6502         (Version_script_info::build_lookup_tables): New function.
6503         (Version_script_info::build_expression_list_lookup): New
6504         function.
6505         (Version_script_info::get_symbol_version_helper): Rewrite to use
6506         lookup tables.
6507         (Version_script_info::print_expression_list): Adjust to use
6508         Version_script_info::Language.
6509         (script_push_lex_into_version_mode): Check that the version script
6510         has not been finalized.
6511         (version_script_push_lang): Change language string to
6512         Version_script_info::Language.
6513         * options.cc (Command_line::version_script): New function.
6514         * options.h (class General_options): Add finalize_dynamic_list
6515         function.  Change version_script from declaration to definition.
6516         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6517         * testsuite/version_script.map: Remove duplicate def of foo.
6518         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6519         version_script.map.
6520         * testsuite/Makefile.in: Rebuild.
6521
6522 2009-12-30  Ian Lance Taylor  <iant@google.com>
6523
6524         PR 10843
6525         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6526         if the input symbol index is 0, make the output symbol index 0.
6527
6528 2009-12-30  Ian Lance Taylor  <iant@google.com>
6529
6530         PR 10670
6531         * options.h (class General_options): Add -x/--discard-all.
6532         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6533         --discard-all.  If the local symbol needs a dynamic entry, check
6534         that before handling --discard-locals.
6535
6536 2009-12-30  Ian Lance Taylor  <iant@google.com>
6537
6538         PR 10450
6539         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6540         flags to PF_R.
6541         (Output_segment::add_output_section): Don't change the flags if
6542         the type is PT_TLS.
6543
6544         PR 10450
6545         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6546         GNU hash table if they need a dynamic value.  Otherwise, don't add
6547         them if they are defined in a dynamic object or are forced local.
6548
6549 2009-12-29  Ian Lance Taylor  <iant@google.com>
6550
6551         PR 10450
6552         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6553         .gnu.hash table for a 32-bit target.
6554
6555         PR 10450
6556         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6557         regular and a dynamic object only needs a dynamic symbol table
6558         entry if it is externally visible.
6559
6560         PR 10450
6561         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6562         constructor.  Add global_offset_table_ field.
6563         (Target_i386::got_section): Set global_offset_table_.
6564         (Target_i386::do_finalize_sections): Set global_offset_table_
6565         size.
6566         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6567         in constructor.  Add global_offset_table_ field.
6568         (Target_x86_64::got_section): Set global_offset_table_.
6569         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6570         size.
6571
6572         * layout.cc (Layout::Layout): Initialize increase_relro_.
6573         (Layout::get_output_section): Add is_relro, is_last_relro, and
6574         is_first_non_relro parameters.  Change all callers.
6575         (Layout::choose_output_section): Likewise.
6576         (Layout::add_output_section_data): Likewise.
6577         (Layout::make_output_section): Likewise.
6578         (Layout::set_segment_offsets): Clear increase_relro when using a
6579         linker script.
6580         * layout.h (class Layout): Add increase_relro method.  Add
6581         increase_relro_ field.  Update declarations.
6582         * output.cc (Output_section::Output_section): Initialize
6583         is_last_relro_ and is_first_non_relro_.
6584         (Output_segment::add_output_section): Group relro sections is
6585         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6586         (Output_segment::maximum_alignment): Remove relro handling.
6587         (Output_segment::set_section_addresses): Add increase_relro
6588         parameter.  Change all callers.  Add initial alignment to align
6589         relro sections on separate page.  Remove old relro handling.
6590         (Output_segment::set_section_list_addresses): Remove in_relro
6591         parameter.  Change all callers.
6592         (Output_segment::set_offset): Add increase parameter.  Change all
6593         callers.  Remove old relro handling.
6594         * output.h (class Output_section): Add new methods: is_last_relro,
6595         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6596         Add is_last_relro_ and is_first_non_relro_ fields.
6597         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6598         Create separate .got.plt section.  Call increase_relro.
6599         * x86_64.cc (Target_x86_64::got_section): Likewise.
6600         * testsuite/relro_script_test.t: Add .got.plt.
6601
6602         PR 10450
6603         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6604         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6605         (Layout::finalize): Call set_dynamic_symbol_size.
6606         (Layout::set_dynamic_symbol_size): New function.
6607         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6608         set_dynamic_symbol_size.
6609
6610         PR 10450
6611         * output.h (class Output_section): Add is_entsize_zero_ field.
6612         * output.cc (Output_section::Output_section): Initialize
6613         is_entsize_zero_.
6614         (Output_section::set_entsize): If two different entsizes are
6615         requested, force it to zero.
6616         (Output_section::add_input_section): Set flags for .debug_str
6617         before updating section flags.  Set entsize.
6618         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6619         and SHF_STRING if all input sections have those flags.
6620
6621 2009-12-29   Rafael Espindola  <espindola@google.com>
6622
6623         * main.cc (main): Fix the sys time reporting.
6624         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6625         reporting.
6626
6627 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6628
6629         * options.cc (General_options::parse_version): Allow -v to exit
6630         without an error if there is nothing to link.
6631
6632 2009-12-29  Ian Lance Taylor  <iant@google.com>
6633
6634         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6635         using a version of gcc before 4.1.
6636         * configure: Rebuild.
6637
6638 2009-12-28  Chris Demetriou  <cgd@google.com>
6639
6640         * attributes.cc (Output_attributes_section_data::do_write): Use
6641         std::vector::front rather than std::vector::data.
6642
6643 2009-12-28  Ian Lance Taylor  <iant@google.com>
6644
6645         * symtab.h (class Symbol_table): Add enum Defined.
6646         * resolve.cc (Symbol_table::should_override): Add defined
6647         parameter.  Change all callers.  Test whether object is NULL
6648         before calling a method on it.
6649         (Symbol_table::report_resolve_problem): Add defined parameter.
6650         Change all callers.
6651         (Symbol_table::should_override_with_special): Likewise.
6652         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6653         parameter.  Change all callers.
6654         (Symbol_table::do_define_in_output_data): Likewise.
6655         (Symbol_table::define_in_output_segment): Likewise.
6656         (Symbol_table::do_define_in_output_segment): Likewise.
6657         (Symbol_table::define_as_constant): Likewise.
6658         (Symbol_table::do_define_as_constant): Likewise.
6659         * script.h (class Symbol_assignment): Add is_defsym parameter to
6660         constructor; change all callers.
6661         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6662         parameter.  Change all callers.  Add is_defsym_ field.
6663         (class Parser_closure): Add parsing_defsym parameter to
6664         constructor; change all callers.  Add parsing_defsym accessor
6665         function.  Add parsing_defsym_ field.
6666
6667 2009-12-28  Ian Lance Taylor  <iant@google.com>
6668
6669         * gold.cc (queue_middle_tasks): Fix formatting.
6670         * object.cc (Relobj::is_section_name_included): Likewise.
6671
6672 2009-12-23  Ian Lance Taylor  <iant@google.com>
6673
6674         * i386.cc (Target_i386::do_calls_non_split): Recognize
6675         -fsplit-stack prologue for a function with a static chain.
6676         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6677         -fsplit-stack prologue when using %r11.
6678
6679 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6680
6681         * options.cc (General_options::parse_version): Make -v continue and do
6682         the link like GNU ld does.
6683
6684 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6685
6686         * Makefile.am (CCFILES): Add timer.cc.
6687         (HFILES): Add timer.h.
6688         * configure.ac: Check for sysconf and times.
6689         * main.cc: include timer.h.
6690         (main): Use Timer instead of get_run_time.
6691         * timer.cc: New.
6692         * timer.h: New.
6693         * workqueue.cc: include timer.h.
6694         (Workqueue::find_and_run_task):
6695         Report user, sys and wall time.
6696         * Makefile.in: Regenerate.
6697         * config.in: Regenerate.
6698         * configure: Regenerate.
6699
6700 2009-12-16  Doug Kwan  <dougkwan@google.com>
6701
6702         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6703         sections.
6704         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6705         relaxed input sections.
6706         * output.cc (Output_section::find_relaxed_input_section): Change
6707         return type to Output_relaxed_input_section pointer.  Adjust code
6708         for new type of relaxed_input_section_map_.
6709         * output.h (Output_section::find_relaxed_input_section): Change
6710         return type to Output_relaxed_input_section pointer.
6711         (Output_section::Output_relaxed_input_section_by_input_section_map):
6712         New type.
6713         (Output_section::relaxed_input_section_map_): Change type to
6714         Output_section::Output_relaxed_input_section_by_input_section_map.
6715         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6716         input section.
6717
6718 2009-12-15  Ian Lance Taylor  <iant@google.com>
6719
6720         * layout.cc (Layout::create_shstrtab): Only write out after input
6721         sections if we are compressing debug sections.
6722
6723 2009-12-15  Ian Lance Taylor  <iant@google.com>
6724
6725         * archive.cc (Archive::add_symbols): Only look up a symbol without
6726         a version if there is, in fact, a version.
6727
6728 2009-12-14  Ian Lance Taylor  <iant@google.com>
6729
6730         Revert -Wshadow changes, all changes from:
6731         2009-12-11  Doug Kwan  <dougkwan@google.com>
6732         2009-12-11  Nick Clifton  <nickc@redhat.com>
6733         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6734
6735 2009-12-11  Doug Kwan  <dougkwan@google.com>
6736
6737         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6738         due to -Wshadow.
6739         * attributes.cc (Object_attribute::size): Ditto.
6740         (Attributes_section_data::size): Ditto.
6741         (Attributes_section_data::Attributes_section_data): Ditto.
6742         (Output_attributes_section_data::do_write): Ditto.
6743         * attributes.h (Object_attribute::set_type): Ditto.
6744         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6745
6746 2009-12-11  Nick Clifton  <nickc@redhat.com>
6747
6748         * archive.cc: Fix shadowed variable warnings.
6749         * arm.cc: Likewise.
6750         * compressed_output.cc: Likewise.
6751         * compressed_output.h: Likewise.
6752         * configure: Likewise.
6753         * dwarf_reader.cc: Likewise.
6754         * dynobj.cc: Likewise.
6755         * dynobj.h: Likewise.
6756         * ehframe.cc: Likewise.
6757         * ehframe.h: Likewise.
6758         * errors.cc: Likewise.
6759         * expression.cc: Likewise.
6760         * fileread.cc: Likewise.
6761         * fileread.h: Likewise.
6762         * freebsd.h: Likewise.
6763         * i386.cc: Likewise.
6764         * icf.cc: Likewise.
6765         * incremental.h: Likewise.
6766         * layout.cc: Likewise.
6767         * layout.h: Likewise.
6768         * mapfile.cc: Likewise.
6769         * merge.cc: Likewise.
6770         * merge.h: Likewise.
6771         * object.cc: Likewise.
6772         * object.h: Likewise.
6773         * options.h: Likewise.
6774         * output.cc: Likewise.
6775         * output.h: Likewise.
6776         * parameters.cc: Likewise.
6777         * plugin.cc: Likewise.
6778         * powerpc.cc: Likewise.
6779         * reduced_debug_output.cc: Likewise.
6780         * reduced_debug_output.h: Likewise.
6781         * reloc.cc: Likewise.
6782         * reloc.h: Likewise.
6783         * resolve.cc: Likewise.
6784         * script-sections.cc: Likewise.
6785         * script.cc: Likewise.
6786         * script.h: Likewise.
6787         * sparc.cc: Likewise.
6788         * symtab.cc: Likewise.
6789         * symtab.h: Likewise.
6790         * target-select.cc: Likewise.
6791         * target-select.h: Likewise.
6792         * token.h: Likewise.
6793         * workqueue.cc: Likewise.
6794         * workqueue.h: Likewise.
6795         * x86_64.cc: Likewise.
6796
6797 2009-12-10  Doug Kwan  <dougkwan@google.com>
6798
6799         * arm.cc (attributes.h): New include.
6800         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6801         (Arm_relobj::~Arm_relobj): Delete object pointed by
6802         attributes_section_data_.
6803         (Arm_relobj::attributes_section_data): New method definition.
6804         (Arm_relobj::attributes_section_data_): New data member declaration.
6805         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6806         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6807         attributes_section_data_.
6808         (Arm_dynobj::attributes_section_data): New method definition.
6809         (Arm_dynobj::attributes_section_data_): New data member declaration.
6810         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6811         initialization value of may_use_blx_ to false.
6812         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6813         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6814         object attributes to compute results instead of hard-coding.
6815         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6816         Target_arm::get_secondary_compatible_arch,
6817         Target_arm::set_secondary_compatible_arch
6818         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6819         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6820         New method declarations.
6821         (Target_arm::get_aeabi_object_attribute): New method definition.
6822         (Target_arm::attributes_section_data_): New data member declaration.
6823         (read_arm_attributes_section): New template definition.
6824         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6825         (Arm_dynobj::do_read_symbols): Ditto.
6826         (Target_arm::do_finalize_sections): Merge attributes sections from
6827         input.  Check for BLX use after attributes section merging.
6828         Fix __exidx_start and __exidx_end visibility.  Create an
6829         .ARM.attributes section if necessary.
6830         (Target_arm::get_secondary_compatible_arch,
6831         Target_arm::set_secondary_compatible_arch,
6832         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6833         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6834         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6835         New method definitions.
6836
6837 2009-12-09  Ian Lance Taylor  <iant@google.com>
6838
6839         * plugin.cc (Plugin::load): Don't cast from void* to a function
6840         pointer.
6841
6842 2009-12-09  Ian Lance Taylor  <iant@google.com>
6843
6844         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6845         information fields.
6846
6847 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6848
6849         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6850         Replace two_file_shared_1.so with two_file_shared_2.so.
6851         * testsuite/Makefile.in: Regenerated.
6852
6853 2009-12-08  Doug Kwan  <dougkwan@google.com>
6854
6855         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6856         (HFILES): Add attributes.h and int_encoding.h.
6857         * Makefile.in: Regenerate.
6858         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6859         function definitions to int_encoding.cc
6860         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6861         prototypes to int_encoding.h
6862         * reduced_debug_output.cc (int_encoding.h): New include.
6863         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6864         function definitions to int_encoding.cc
6865         (insert_into_vector, read_from_pointer): Move template definitions to
6866         int_encoding.h
6867         * attributes.cc: New file.
6868         * attributes.h: New file.
6869         * int_encoding.cc: New file.
6870         * int_encoding.h: New file.
6871
6872 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6873
6874         PR gold/11055
6875         * incremental-dump.cc (dump_incremental_inputs): New.
6876         (main): Use dump_incremental_inputs.
6877
6878 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6879
6880         PR gold/10893
6881         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6882         checking elfcpp::STT_FUNC.
6883         (Target_i386::Relocate::relocate): Likewise.
6884         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6885
6886         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6887         symbols from shared libraries into normal FUNC symbols.
6888
6889         * symtab.h (Symbol): Add is_func and use it.
6890
6891 2009-12-05  Doug Kwan  <dougkwan@google.com>
6892
6893         * arm.cc (Target_arm::arm_info): Initialize new fields
6894         attributes_section and attributes_vendor.
6895         * i386.cc (Target_i386::i386_info): Same.
6896         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6897         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6898         fields attributes_section and attributes_vendor.
6899         * sparc.cc (Target_sparc::sparc_info): Same.
6900         * target.h (Target::attributes_section, Target::attributes_vendor,
6901         Target::is_attributes_section, Target::attribute_arg_type,
6902         Target::attributes_order): New method definitions.
6903         (Target::Target_info::attributes_section,
6904         Target::Target_info::attributes_vendor): New fields.
6905         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6906         virtual method definitions.
6907         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6908         attributes_section and attributes_vendor.
6909         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6910
6911 2009-12-05  Doug Kwan  <dougkwan@google.com>
6912
6913         * arm.cc: Update comments about interworking and stub generation.
6914         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6915         considered as non-PIC.
6916         (Arm_relocate_functions::base_abs): Fix formatting.
6917         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6918         of function to use GOT entry address instead of offset.
6919         (Target_arm::Scan::global): Issue an error if a symbol would need a
6920         PLT does not get one because it is untyped.  Remove code to create
6921         dynamic symbols for relative branches.
6922         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6923         takes unsigned integer instead of boolean.
6924
6925 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6926
6927         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6928         (two_file_test_LDADD): Likewise.
6929         (common_test_1_LDADD): Likewise.
6930         (exception_test_LDADD) Likewise.
6931         (weak_test_LDADD): Likewise.
6932         (many_sections_test_LDADD): Likewise.
6933         (initpri1_LDADD): Likewise.
6934         (script_test_1_LDADD): Likewise.
6935         (script_test_2_LDADD): Likewise.
6936         (justsyms_LDADD): Likewise.
6937         (binary_test_LDADD): Likewise.
6938         (large_LDADD): Likewise.
6939         * testsuite/Makefile.in: Regenerated.
6940
6941 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6942
6943         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6944         (Symbol_table::override_with_special): Likewise.
6945         (Symbol_table::add_from_object): Likewise.
6946
6947 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6948
6949         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6950         Don't set the data_offset twice.
6951
6952 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6953
6954         * testsuite/Makefile.in: Regenerate.
6955
6956 2009-12-03  Doug Kwan  <dougkwan@google.com>
6957
6958         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6959         (Target_arm::do_finalize_sections): Add parameter for symbol table
6960         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6961         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6962         parameter for symbol table pointer.
6963         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6964         an additional parameter for a pointer to symbol table.
6965         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6966         parameter for a symbol table pointer.
6967         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6968         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6969         Ditto.
6970         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6971         parameter for a symbol table pointer.
6972
6973 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6974
6975         * incremental.cc (Incremental_inputs_header)
6976         (Incremental_inputs_header_write, Incremental_inputs_entry)
6977         (Incremental_inputs_entry_write): Move ...
6978         * incremental.h (Incremental_inputs_header)
6979         (Incremental_inputs_header_write, Incremental_inputs_entry)
6980         (Incremental_inputs_entry_write): here.
6981
6982 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6983
6984         * incremental.cc (make_sized_incremental_binary): Set the target.
6985         Error if it is incompatible.
6986         * output.h (Output_file): Add filename method.
6987
6988 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6989
6990         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6991         from the get_* methods.
6992
6993 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6994
6995         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6996         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6997         Write 0 for the data_offset of scripts.
6998
6999 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7000
7001         * testsuite/Makefile.am: Add the incremental_test.sh test.
7002         * testsuite/incremental_test.sh: New.
7003         * testsuite/incremental_test_1.c: New.
7004         * testsuite/incremental_test_2.c: New.
7005
7006 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7007
7008        * incremental-dump.cc (main): Fix typos.
7009
7010 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7011
7012         PR gold/11025
7013         * incremental-dump.cc (main): Use llu to print 64 bit values.
7014
7015 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7016             H.J. Lu  <hongjiu.lu@intel.com>
7017
7018         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7019         $(LIBDL).
7020         (incremental_dump_LDADD): Likewise.
7021         * Makefile.in: Regenerated.
7022
7023 2009-11-25  Doug Kwan  <dougkwan@google.com>
7024
7025         Revert:
7026
7027         2009-11-25  Doug Kwan  <dougkwan@google.com>
7028
7029                 * arm.cc (Target_arm::Target_arm): Move method definition
7030                 outside of class definition.  Add code to handle
7031                 --target1-rel, --target1-abs and --target2= options.
7032                 (Target_arm::get_reloc_reloc_type): Change method to be
7033                 non-static and const.
7034                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7035                 New data member declaration.
7036                 (Target_arm::Scan::local, Target_arm::Scan::global,
7037                 Target_arm::Relocate::relocate,
7038                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7039                 Adjust call to Target_arm::get_real_reloc_type.
7040                 (Target_arm::get_real_reloc_type): Use command line options
7041                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7042                 * options.h (--target1-rel, --target1-abs, --target2): New
7043                 ARM-only options.
7044
7045 2009-11-25  Doug Kwan  <dougkwan@google.com>
7046
7047         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7048         class definition.  Add code to handle --target1-rel, --target1-abs
7049         and --target2= options.
7050         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7051         and const.
7052         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7053         member declaration.
7054         (Target_arm::Scan::local, Target_arm::Scan::global,
7055         Target_arm::Relocate::relocate,
7056         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7057         call to Target_arm::get_real_reloc_type.
7058         (Target_arm::get_real_reloc_type): Use command line options to
7059         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7060         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7061         options.
7062
7063 2009-11-25  Doug Kwan  <dougkwan@google.com>
7064
7065         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7066         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7067         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7068         formatting.
7069         (Arm_relocate_functions::thm_call): Replace body with a call to
7070         Arm_relocate_functions::thumb_branch_common.
7071         (Arm_relocate_functions::thm_jump24,
7072         Arm_relocate_functions::thm_xpc22): New method definitions.
7073         (Arm_relocate_functions::thumb_branch_common): New method definition.
7074         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7075         operator.
7076         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7077         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7078
7079 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7080
7081         * Makefile.am: Build incremental-dump
7082         * Makefile.in: Regenerate.
7083         * incremental-dump.cc: New.
7084         * incremental.cc (Incremental_inputs_header_data,
7085         Incremental_inputs_entry_data): Move to incremental.h
7086         * incremental.h: (Incremental_inputs_header_data,
7087         Incremental_inputs_entry_data): Move from incremental.cc
7088
7089 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7090
7091         * incremental.cc (Incremental_inputs_header,
7092         Incremental_inputs_header_write, Incremental_inputs_entry,
7093         Incremental_inputs_entry_write): Add a typedef with the data type.
7094
7095 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7096
7097         * incremental.cc (Incremental_inputs_header,
7098         Incremental_inputs_header_write, Incremental_inputs_entry,
7099         Incremental_inputs_entry_write): Update comment about which
7100         type has the filed descriptions.
7101
7102 2009-11-15  Doug Kwan  <dougkwan@google.com>
7103
7104         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7105         (Arm_relocate_functions::arm_branch_common): Change method defintion
7106         in class definition to a method declaration and update list of formal
7107         parameters.
7108         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7109         Arm_relocation_functions::jump24): Adjust call to
7110         Arm_relocate_functions::arm_branch_common.  Update list of formal
7111         parameters.
7112         (Arm_relocate_functions::xpc25): New method definition.
7113         (Arm_relocate_functions::arm_branch_common): Move method defintion
7114         out from class definition.  Use stubs for mode-switching and extending
7115         branch ranges.
7116         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7117         specially.  Change code to enable use of stubs in ARM branches.
7118
7119 2009-11-10  Doug Kwan  <dougkwan@google.com>
7120
7121         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7122         in method declaration.
7123         (Target_arm::relocate_stub): New method declaration.
7124         (Target_arm::default_target): Change to return a pointer instead of
7125         a const reference.
7126         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7127         Target_arm::default_target.
7128         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7129         method definition.
7130         (Target_arm::relocate_section): Adjust view.
7131         (Target_arm::relocate_stub): New method definition.
7132
7133 2009-11-10  Doug Kwan  <dougkwan@google.com>
7134
7135         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7136         a format warning.
7137         * incremental.cc (open_incremental_binary): Initialized local
7138         variables to avoid warnings.
7139         * object.cc (make_elf_object): Ditto.
7140         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7141         a format warning.
7142
7143 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7144
7145         PR gold/10930
7146         * testsuite/plugin_test.c: Include "config.h".
7147
7148 2009-11-09  Doug Kwan  <dougkwan@google.com>
7149
7150         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7151         (arm_symbol_value): Remove.
7152         (Arm_relocate_functions::arm_branch_common,
7153         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7154         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7155         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7156         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7157         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7158         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7159         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7160         Arm_relocate_functions::thm_mobw_abs_nc,
7161         Arm_relocate_functions::thm_mov_abs,
7162         Arm_relocate_functions::movw_prel_nc,
7163         Arm_relocate_functions::thm_movt_abs,
7164         Arm_relocate_functions::movt_prel,
7165         Arm_relocate_functions::thm_movw_prel_nc,
7166         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7167         (Target_arm::Relocate::relocate): Only decompose address into two
7168         parts if relocation type uses the thumb-bit and pass the actual
7169         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7170         calls to methods in Arm_relocate_functions for this change.
7171
7172 2009-11-08  Ian Lance Taylor  <iant@google.com>
7173
7174         PR 10925
7175         * reloc.cc: Instantiate
7176         Sized_relobj::initialize_input_to_output_maps and
7177         Sized_relobj:free_input_to_output_maps.
7178
7179 2009-11-06  Ian Lance Taylor  <iant@google.com>
7180
7181         PR 10876
7182         * defstd.cc (in_segment): Set only_if_ref true for "end".
7183
7184 2009-11-06  Doug Kwan  <dougkwan@google.com>
7185
7186         * arm.cc (class Reloc_stub): Correct a comment.
7187         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7188         (Target_arm::scan_section_for_stubs): New method declaration.
7189         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7190         Change methods from private to protected.
7191         (Target_arm::do_may_relax): New method definition.
7192         (Target_arm::do_relax, Target_arm::group_sections,
7193         Target_arm::scan_reloc_for_stub,
7194         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7195         (Target_arm::arm_input_section_map_): New data member declaration.
7196         (Target_arm::scan_reloc_for_stub,
7197         Target_arm::scan_reloc_section_for_stubs,
7198         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7199         Target_arm::do_relax): New method definitions.
7200
7201 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7202
7203         * configure.ac: Check for (struct stat)::st_mtim
7204         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7205         * config.in: Regenerate.
7206         * configure: Regenerate.
7207
7208 2009-11-05  Ian Lance Taylor  <iant@google.com>
7209
7210         PR 10910
7211         * output.cc (Output_segment::add_output_section): Add missing
7212         return statement.
7213
7214 2009-11-04  Ian Lance Taylor  <iant@google.com>
7215
7216         PR 10880
7217         * object.h (class Object): Add is_needed and set_is_needed
7218         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7219         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7220         defined in a dynamic object and referenced by a regular object,
7221         set is_needed for the dynamic object.
7222         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7223         if the file is marked with as_needed and it is not needed.
7224
7225 2009-11-04  Ian Lance Taylor  <iant@google.com>
7226
7227         PR 10887
7228         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7229         tags if data is discarded by linker script.
7230         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7231         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7232         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7233         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7234
7235 2009-11-04  Ian Lance Taylor  <iant@google.com>
7236
7237         * layout.cc (Layout::get_output_section): Add is_interp and
7238         is_dynamic_linker_section parameters.  Change all callers.
7239         (Layout::choose_output_section): Likewise.
7240         (Layout::make_output_section): Likewise.
7241         (Layout::add_output_section_data): Add is_dynamic_linker_section
7242         parameter.  Change all callers.
7243         * layout.h (class Layout): Update declarations.
7244         * output.h (class Output_section): Add is_interp, set_is_interp,
7245         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7246         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7247         generate_code_fills_at_write_ to a bitfield.
7248         * output.cc (Output_section::Output_sections): Initialize new
7249         fields.
7250         (Output_segment::add_output_section): Add do_sort parameter.
7251         Change all callers.
7252
7253 2009-11-03  Ian Lance Taylor  <iant@google.com>
7254
7255         PR 10860
7256         * options.h (class General_options): Add --warn-common.
7257         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7258         merging two common symbols.
7259         (Symbol_table::should_override): Handle --warn-common when merging
7260         a common symbol with a defined symbol.  Use report_resolve_problem
7261         for multiple definitions.
7262         (Symbol_table::report_resolve_problem): New function.
7263         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7264
7265 2009-11-03  Doug Kwan  <dougkwan@google.com>
7266
7267         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7268         stub_factory_.
7269         (Target_arm::stub_factory): New method definition.
7270         (Target_arm::new_arm_input_section,
7271         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7272         Target_arm::reloc_uses_thumb_bit): New method declarations.
7273         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7274         New type definitions.
7275         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7276         member declarations.
7277         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7278         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7279         New method definitions.
7280
7281 2009-11-03  Ian Lance Taylor  <iant@google.com>
7282
7283         * options.h (class General_options): Add --warn_constructors.
7284
7285 2009-11-03  Ian Lance Taylor  <iant@google.com>
7286
7287         PR 10893
7288         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7289         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7290
7291 2009-11-03  Ian Lance Taylor  <iant@google.com>
7292
7293         PR 10895
7294         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7295         --msgid-bugs-address.
7296         (install-pdf): New target.
7297         (install-data_yes): Look up one directory to find mkinstalldirs.
7298
7299 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7300
7301         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7302         tree.
7303
7304 2009-10-30  Doug Kwan  <dougkwan@google.com>
7305
7306         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7307
7308 2009-10-30  Doug Kwan  <dougkwan@google.com>
7309
7310         * arm.cc (Stub_addend_reader): New struct template definition
7311         and partial specializations.
7312         (Stub_addend_reader::operator()): New method definition for a
7313         partially specialized template.
7314
7315 2009-10-30  Doug Kwan  <dougkwan@google.com>
7316
7317         * arm.cc (Arm_relobj::processor_specific_flags): New method
7318         definition.
7319         (Arm_relobj::do_read_symbols): New method declaration.
7320         (Arm_relobj::processor_specific_flags_): New data member declaration.
7321         (Arm_dynobj): New class definition.
7322         (Target_arm::do_finalize_sections): Add input_objects parameter.
7323         (Target_arm::do_adjust_elf_header): New method declaration.
7324         (Target_arm::are_eabi_versions_compatible,
7325         (Target_arm::merge_processor_specific_flags): New method declaration.
7326         (Target_arm::do_make_elf_object): New overloaded method definitions
7327         and declaration.
7328         (Arm_relobj::do_read_symbols): New method definition.
7329         (Arm_dynobj::do_read_symbols): Ditto.
7330         (Target_arm::do_finalize_sections): Add input_objects parameters.
7331         Merge processor-specific flags from all input objects.
7332         (Target_arm::are_eabi_versions_compatible,
7333         Target_arm::merge_processor_specific_flags,
7334         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7335         New method definitions.
7336         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7337         Input_objects pointer type parameter.
7338         * layout.cc (Layout::finalize): Pass input objects to target's.
7339         finalize_sections function.
7340         * output.cc (Output_file_header::do_sized_write): Set ELF file
7341         header's processor-specific flags.
7342         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7343         Input_objects pointer type parameter.
7344         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7345         * target.h (Input_objects): New forward class declaration.
7346         (Target::processor_specific_flags,
7347         Target::are_processor_specific_flags_sect): New method definitions.
7348         (Target::finalize_sections): Add input_objects parameter.
7349         (Target::Target): Initialize processor_specific_flags_ and
7350         are_processor_specific_flags_set_.
7351         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7352         parameter.
7353         (Target::set_processor_specific_flags): New method definition.
7354         (Target::processor_specific_flags_,
7355         Target::are_processor_specific_flags_set_): New data member
7356         declarations.
7357         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7358         Input_objects pointer type parameter.
7359
7360 2009-10-30  Doug Kwan  <dougkwan@google.com>
7361
7362         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7363
7364 2009-10-28  Ian Lance Taylor  <iant@google.com>
7365
7366         * object.h (class Relobj): Drop options parameter from
7367         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7368         do_scan_relocs, do_relocate.  Change all callers.
7369         (class Sized_relobj): Drop options parameters from
7370         do_gc_process_relocs, do_scan_relocs, do_relocate,
7371         do_relocate_sections, relocate_sections, emit_relocs_scan,
7372         emit_relocs_scan_reltype.  Change all callers.
7373         (struct Relocate_info): Remove options field and all references to
7374         it.
7375         * reloc.h (class Read_relocs): Remove options constructor
7376         parameter and options_ field.  Change all callers.
7377         (class Gc_process_relocs, class Scan_relocs): Likewise.
7378         (class Relocate_task): Likewise.
7379         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7380         all callers.
7381         (scan_relocatable_relocs): Likewise.
7382         * target.h (class Sized_target): Remove options parameter from
7383         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7384         all callers.
7385         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7386         callers.
7387         * arm.cc: Update functions to remove options parameters.
7388         * i386.cc: Likewise.
7389         * powerpc.cc: Likewise.
7390         * sparc.cc: Likewise.
7391         * x86_64.cc: Likewise.
7392         * testsuite/testfile.cc: Likewise.
7393
7394 2009-10-28  Doug Kwan  <dougkwan@google.com>
7395
7396         * arm.cc (Arm_relobj): New class definition.
7397         (Arm_relobj::scan_sections_for_stubs,
7398         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7399         New method definitions.
7400
7401 2009-10-28  Cary Coutant  <ccoutant@google.com>
7402
7403         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7404         (Plugin::cleanup_done_): New member.
7405         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7406         (Plugin_manager::cleanup_done_): Remove.
7407         (Plugin_manager::add_input_file): Edit error message.
7408         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7409         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7410
7411 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7412
7413         * fileread.cc: (File_read::View::~View): Use the new
7414         data_ownership_ filed.
7415         (File_read::~File_read): Dispose the new whole_file_view_.
7416         (File_read::open): Mmap the whole file if needed.
7417         (File_read::open): Use whole_file_view_ instead of contents_.
7418         (File_read::find_view): Use whole_file_view_ if applicable.
7419         (File_read::do_read): Use whole_file_view_ instead of contents_.
7420         (File_read::make_view): Use whole_file_view_ instead of contents_,
7421         update File_read::View::View call.
7422         (File_read::find_or_make_view): Update File_read::View::View
7423         call.
7424         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7425         remove contents_
7426         (File_read::View::Data_ownership): New enum.
7427         (File_read::View::View): Replace bool mapped_ with Data_ownership
7428         argument.
7429         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7430         (File_read::View::data_ownership_): New field.
7431         (File_read::contents_): Remove (replaced by whole_file_view_).
7432         (File_read::whole_file_view_): New field.
7433         * options.h (class General_options): Add --keep-files-mapped.
7434
7435 2009-10-27  Cary Coutant  <ccoutant@google.com>
7436
7437         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7438         * testsuite/Makefile.am (plugin_test_5): New test case.
7439         * testsuite/Makefile.in: Regenerate.
7440
7441 2009-10-25  Doug Kwan  <dougkwan@google.com>
7442
7443         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7444         from private to protected to allow access by child class.
7445         (Sized_relobj::do_relocate_sections): New method declaration.
7446         (Sized_relobj::relocate_sections): Virtualize.
7447         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7448         Sized_relobj::relocate_sections.  Instantiate template explicitly
7449         for different target sizes and endianity.
7450
7451 2009-10-24  Doug Kwan  <dougkwan@google.com>
7452
7453         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7454         (Arm_input_section::as_arm_input_section): New method.
7455         (Arm_output_section): New class definition.
7456         (Arm_output_section::create_stub_group,
7457         Arm_output_section::group_sections): New method definitions.
7458
7459 2009-10-22  Doug Kwan  <dougkwan@google.com>
7460
7461         * arm.cc (Arm_input_section): New class definition.
7462         (Arm_input_section::init, Arm_input_section:do_write,
7463         Arm_input_section::set_final_data_size,
7464         Arm_input_section::do_reset_address_and_file_offset): New method
7465         definitions.
7466
7467 2009-10-21  Doug Kwan  <dougkwan@google.com>
7468
7469         * arm.cc (Stub_table, Arm_input_section): New forward class
7470         declarations.
7471         (Stub_table): New class defintion.
7472         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7473         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7474         New method definition.
7475
7476 2009-10-21  Doug Kwan  <dougkwan@google.com>
7477
7478         * arm.cc: Update copyright comments.
7479         (Target_arm): New forward class template declaration.
7480         (Arm_address): New type.
7481         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7482         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7483         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7484         constants.
7485         (Insn_template): Same.
7486         (DEF_STUBS): New macro.
7487         (Stub_type): New enum type.
7488         (Stub_template): New class definition.
7489         (Stub): Same.
7490         (Reloc_stub): Same.
7491         (Stub_factory): Same.
7492         (Target_arm::Target_arm): Initialize may_use_blx_ and
7493         should_force_pic_veneer_.
7494         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7495         Target_arm::should_force_pic_veneer,
7496         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7497         Target_arm::using_thumb_only, Target_arm:;default_target): New
7498         method defintions.
7499         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7500         New data member declarations.
7501         (Insn_template::size, Insn_template::alignment): New method defintions.
7502         (Stub_template::Stub_template): New method definition.
7503         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7504         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7505         (Stub_factory::Stub_factory): New method definition.
7506         * gold.h (string_hash): New template.
7507         * output.h (Input_section_specifier::hash_value): Use
7508         gold::string_hash.
7509         (Input_section_specifier::string_hash): Remove.
7510         * stringpool.cc (Stringpool_template::string_hash): Use
7511         gold::string_hash.
7512
7513 2009-10-20  Doug Kwan  <dougkwan@google.com>
7514
7515         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7516         symbols of relaxed input sections.
7517         * output.h (Output_section::find_relaxed_input_section): Make
7518         method public.
7519
7520 2009-10-16  Doug Kwan  <dougkwan@google.com>
7521
7522         * dynobj.cc (Versions::Versions): Initialize version_script_.
7523         Only insert base version symbol definition for a shared object
7524         if version script defines any version versions.
7525         (Versions::define_base_version): New method definition.
7526         (Versions::add_def): Check that base version is not needed.
7527         (Versions::add_need): Define base version lazily.
7528         * dynobj.h (Versions::define_base_version): New method declaration.
7529         (Versions::needs_base_version_): New data member declaration.
7530         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7531         (check_DATA): Add no_version_test.stdout.
7532         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7533         New make rules.
7534         * testsuite/Makefile.in: Regenerate.
7535         * testsuite/no_version_test.c: New file.
7536         * testsuite/no_version_test.sh: Ditto.
7537
7538 2009-10-16  Doug Kwan  <dougkwan@google.com>
7539
7540         * expression.cc (class Segment_start_expression): New class definition.
7541         (Segment_start_expression::value): New method definition.
7542         (script_exp_function_segment_start): Return a new
7543         Segment_start_expression.
7544         * gold/script-c.h (script_saw_segment_start_expression): New function
7545         prototype.
7546         * script-sections.cc (Script_sections::Script_sections): Initialize
7547         SAW_SEGMENT_START_EXPRESSION_ to false.
7548         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7549         and -Tbbs options to specify section addresses if given in
7550         command line and no SEGMENT_START expression is seen in a script.
7551         * script-sections.h (Script_sections::saw_segment_start_expression,
7552         Script_sections::set_saw_segment_start_expression): New method
7553         definition.
7554         (Script_sections::saw_segment_start_expression_): New data member
7555         declaration.
7556         * script.cc (script_saw_segment_start_expression): New function.
7557         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7558         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7559         script_test_7.sh and script_test_8.sh.
7560         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7561         script_test_8.stdout.
7562         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7563         (script_test_6, script_test_6.stdout, script_test_7,
7564         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7565         * Makefile.in: Regenerate.
7566         * testsuite/script_test_6.sh: New file.
7567         * testsuite/script_test_6.t: Same.
7568         * testsuite/script_test_7.sh: Same.
7569         * testsuite/script_test_7.t: Same.
7570         * testsuite/script_test_8.sh: Same.
7571
7572 2009-10-16  Doug Kwan  <dougkwan@google.com>
7573
7574         * output.cc (Output_segment::set_section_list_address): Cast
7575         expressions to unsigned long long type to avoid format warnings.
7576
7577 2009-10-15  Ian Lance Taylor  <iant@google.com>
7578
7579         * script.cc (Script_options::add_symbol_assignment): Always add a
7580         dot assignment to script_sections_.
7581         * script-sections.cc (Script_sections::add_dot_assignment):
7582         Initialize if necessary.
7583
7584         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7585         program headers with no load segment if there is a linker script.
7586
7587         * layout.cc (Layout::set_segment_offsets): Align the file offset
7588         to the segment aligment for -N or -n with no load segment.
7589         * output.cc (Output_segment::add_output_section): Don't crash if
7590         the first section is a TLS section.
7591         (Output_segment::set_section_list_addresses): Print an error
7592         message if the address moves backward in a linker script.
7593         * script-sections.cc
7594         (Output_section_element_input::set_section_addresses): Don't
7595         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7596         (Orphan_output_section::set_section_addresses): Likewise.
7597
7598 2009-10-15  Doug Kwan  <dougkwan@google.com>
7599
7600         * layout.cc (Layout::finish_dynamic_section): Generate tags
7601         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7602         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7603         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7604
7605 2009-10-14  Ian Lance Taylor  <iant@google.com>
7606
7607         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7608         fields.
7609         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7610         data_shdr fields of relinfo.
7611         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7612         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7613         R_386_TLS_LDO_32, adjust based on section flags.
7614         (Target_i386::Relocate::fix_up_ldo): Remove.
7615
7616 2009-10-13  Ian Lance Taylor  <iant@google.com>
7617
7618         Add support for -pie.
7619         * options.h (class General_options): Add -pie and
7620         --pic-executable.
7621         (General_options::output_is_position_independent): Test -pie.
7622         (General_options::output_is_executable): Return true if not shared
7623         and not relocatable.
7624         (General_options::output_is_pie): Remove.
7625         * options.cc (General_options::finalize): Reject incompatible uses
7626         of -pie.
7627         * gold.cc (queue_middle_tasks): A -pie link is not static.
7628         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7629         * symtab.cc (Symbol::final_value_is_known): Return false if
7630         output_is_position_independent.
7631         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7632         output_is_position_independent.
7633         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7634         output_is_position_independent.
7635         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7636         output_is_position_independent.
7637         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7638         two_file_pie_test.
7639         (basic_pie_test.o, basic_pie_test): New targets.
7640         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7641         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7642         (two_file_pie_test): New target.
7643         * testsuite/Makefile.in: Rebuild.
7644         * README: Remove note saying that -pie is not supported.
7645
7646 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7647
7648         * options.h (class General_options): Add -init and -fini.
7649         * layout.cc (Layout::finish_dynamic_section): Emit
7650         given init and fini functions.
7651
7652 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7653
7654         * gc.h (gc_process_relocs): Check if icf is enabled using new
7655         function.
7656         * gold.cc (queue_initial_tasks): Likewise.
7657         (queue_middle_tasks): Likewise.
7658         * object.cc (do_layout): Likewise.
7659         * symtab.cc (is_section_folded): Likewise.
7660         * main.cc (main): Likewise.
7661         * reloc.cc (Read_relocs::run): Likewise.
7662         (Sized_relobj::do_scan_relocs): Likewise.
7663         * icf.cc (is_function_ctor_or_dtor): New function.
7664         (Icf::find_identical_sections): Check if function is ctor or dtor when
7665         safe icf is chosen.
7666         * options.h (General_options::icf): Change option to be an enum.
7667         (Icf_status): New enum.
7668         (icf_enabled): New method.
7669         (icf_safe_folding): New method.
7670         (set_icf_status): New method.
7671         (icf_status_): New variable.
7672         * (options.cc) (General_options::finalize): Set icf_status_.
7673         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7674         icf_test and icf_keep_unique_test to use the --icf enum flag.
7675         * testsuite/icf_safe_test.sh: New file.
7676         * testsuite/icf_safe_test.cc: New file.
7677
7678 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7679
7680         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7681         includes to gc.h and icf.h.
7682         * arm.cc: Include gc.h.
7683         * gold.cc: Likewise.
7684         * i386.cc: Likewise.
7685         * powerpc.cc: Likewise.
7686         * sparc.cc: Likewise.
7687         * x86_64.cc: Likewise.
7688         * gc.h: Include icf.h.
7689
7690 2009-10-11  Ian Lance Taylor  <iant@google.com>
7691
7692         * plugin.cc: Include "gold.h" before other header files.
7693
7694 2009-10-10  Chris Demetriou  <cgd@google.com>
7695
7696         * options.h (Input_file_argument::Input_file_type): New enum.
7697         (Input_file_argument::is_lib_): Replace with...
7698         (Input_file_argument::type_): New member.
7699         (Input_file_argument::Input_file_argument): Take Input_file_type
7700         'type' rather than boolean 'is_lib' as second argument.
7701         (Input_file_argument::is_lib): Use type_.
7702         (Input_file_argument::is_searched_file): New function.
7703         (Input_file_argument::may_need_search): Handle is_searched_file.
7704         * options.cc (General_options::parse_library): Support -l:filename.
7705         (General_options::parse_just_symbols): Update for Input_file_argument
7706         changes.
7707         (Command_line::process): Likewise.
7708         * archive.cc (Archive::get_file_and_offset): Likewise.
7709         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7710         * script.cc (read_script_file, script_add_file): Likewise.
7711         * fileread.cc (Input_file::Input_file): Likewise.
7712         (Input_file::will_search_for): Handle is_searched_file.
7713         (Input_file::open): Likewise.
7714         * readsyms.cc (Read_symbols::get_name): Likewise.
7715         * testsuite/Makefile.am (searched_file_test): New test.
7716         * testsuite/Makefile.in: Regenerate.
7717         * testsuite/searched_file_test.cc: New file.
7718         * testsuite/searched_file_test_lib.cc: New file.
7719
7720 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7721             Ian Lance Taylor  <iant@google.com>
7722
7723         * descriptor.cc: Include <cstdio> and "binary-io.h".
7724         (Descriptors::open): Open the files in binary mode always.
7725         * script.cc (Lex::get_token): Treat \r as whitespace.
7726
7727 2009-10-09  Ian Lance Taylor  <iant@google.com>
7728
7729         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7730
7731 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7732             Ian Lance Taylor  <iant@google.com>
7733
7734         * configure.ac: Check for readv function also.
7735         * fileread.cc (readv): Define if not HAVE_READV.
7736         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7737         does not exist.
7738         * config.in: Regenerate.
7739         * configure: Regenerate.
7740
7741 2009-10-09  Doug Kwan  <dougkwan@google.com>
7742
7743         * layout.cc (Layout::make_output_section): Call target hook to make
7744         ordinary output section.
7745         (Layout::finalize): Adjust parameter list of call the
7746         Target::may_relax().
7747         * layout.h (class Layout::section_list): New method.
7748         * merge.h (Output_merge_base::entsize): Change visibility to public.
7749         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7750         New methods.
7751         (Output_merge_string::do_is_string): New method.
7752         * object.cc (Sized_relobj::do_setup): renamed from
7753         Sized_relobj::set_up.
7754         * object.h (Sized_relobj::adjust_shndx,
7755         Sized_relobj::initializ_input_to_output_maps,
7756         Sized_relobj::free_input_to_output_maps): Change visibilities to
7757         protected.
7758         (Sized_relobj::setup): Virtualize.
7759         (Sized_relobj::do_setup): New method declaration.
7760         (Sized_relobj::invalidate_section_offset,
7761         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7762         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7763         * options.cc (parse_int): New function.
7764         * options.h (parse_int): New declaration.
7765         (DEFINE_int): New macro.
7766         (stub_group_size): New option.
7767         * output.cc (Output_section::Output_section): Initialize memebers
7768         merge_section_map_, merge_section_by_properties_map_,
7769         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7770         (Output_section::add_input_section): Handled deferred code-fill
7771         generation and remove an old comment.
7772         (Output_section::add_relaxed_input_section): New method definition.
7773         (Output_section::add_merge_input_section): Use merge section by
7774         properties map to speed to search.  Update merge section maps
7775         as appropriate.
7776         (Output_section::build_relaxation_map): New method definition.
7777         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7778         Same.
7779         (Output_section::relax_input_section): Renamed to
7780         Output_section::convert_input_sections_to_relaxed_sections and change
7781         interface to take a vector of pointers to relaxed sections.
7782         (Output_section::find_merge_section,
7783         Output_section::find_relaxed_input_section): New method definitions.
7784         (Output_section::is_input_address_mapped,
7785         Output_section::output_offset, Output_section::output_address):
7786         Use output section data maps to speed up searching.
7787         (Output_section::find_starting_output_address): Add comments.
7788         (Output_section::do_write,
7789         Output_section::write_to_postprocessing_buffer): Do code-fill
7790         generation as appropriate.
7791         (Output_section::get_input_sections): Invalidate relaxed input section
7792         map.
7793         (Output_section::restore_states): Adjust type of checkpoint .
7794         Invalidate relaxed input section map.
7795         * output.h (Output_merge_base): New class declaration.
7796         (Input_section_specifier): New class defintion.
7797         (class Output_relaxed_input_section) Change base class to
7798         Output_section_data_build.
7799         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7800         base class initializer.
7801         (Output_section::add_relaxed_input_section): New method declaration.
7802         (Output_section::Input_section): Change visibility to protected.
7803         (Output_section::Input_section::relobj,
7804         Output_section::Input_section::shndx): Handle relaxed input sections.
7805         Output_section::input_sections) Change visibility to protected.  Also
7806         define overload to return a non-const pointer.
7807         (Output_section::Merge_section_properties): New class defintion.
7808         (Output_section::Merge_section_by_properties_map,
7809         Output_section::Output_section_data_by_input_section_map,
7810         Output_section::Relaxation_map): New types.
7811         (Output_section::relax_input_section): Rename method to
7812         Output_section::convert_input_sections_to_relaxed_sections and change
7813         interface to take a vector of relaxed section pointers.
7814         (Output_section::find_merge_section,
7815         Output_section::find_relaxed_input_section,
7816         Output_section::build_relaxation_map,
7817         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7818         New method declarations.
7819         (Output_section::merge_section_map_
7820         Output_section::merge_section_by_properties_map_,
7821         Output_section::relaxed_input_section_map_,
7822         Output_section::is_relaxed_input_section_map_valid_,
7823         Output_section::generate_code_fills_at_write_): New data members.
7824         * script-sections.cc
7825         (Output_section_element_input::set_section_addresses): Call
7826         current_data_size and addralign methods of relaxed input sections.
7827         (Orphan_output_section::set_section_addresses): Call current_data_size
7828         and addralign methods of relaxed input sections.
7829         * symtab.cc (Symbol_table::compute_final_value): Extract template
7830         from the body of Symbol_table::sized_finalize_symbol.
7831         (Symbol_table::sized_finalized_symbol): Call
7832         Symbol_table::compute_final_value.
7833         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7834         (Symbol_table::compute_final_value): New templated method declaration.
7835         * target.cc (Target::do_make_output_section): New method defintion.
7836         * target.h (Target::make_output_section): New method declaration.
7837         (Target::relax): Add more parameters for input objects, symbol table
7838         and layout.  Adjust call to do_relax.
7839         (Target::do_make_output_section): New method declaration.
7840         (Target::do_relax): Add parameters for input objects, symbol table
7841         and layout.
7842
7843 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7844
7845         * pread.c: Include stdio.h.
7846
7847 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7848
7849         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7850         defined.
7851
7852 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7853
7854         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7855         Change read_shndx type to unsigned int.
7856         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7857         int.
7858         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7859         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7860         Change read_shndx type to unsigned int.
7861         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7862         int.
7863         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7864         * layout.cc (Layout::create_symtab_sections): Cast the result of
7865         local_symcount * symsize to off_t in the gold_assert.
7866
7867 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7868
7869         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7870         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7871         R_ARM_BASE_ABS.
7872         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7873         (Arm_relocate_functions::thm_abs5): New function.
7874         (Arm_relocate_functions::abs12): New function.
7875         (Arm_relocate_functions::abs16): New function.
7876         (Arm_relocate_functions::base_abs): New function.
7877         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7878         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7879         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7880         R_ARM_BASE_ABS.
7881         (Scan::global): Likewise.
7882         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7883         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7884         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7885         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7886         R_ARM_BASE_ABS.
7887
7888 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7889
7890         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7891         (Arm_relocate_functions::movt_prel): New function.
7892         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7893         (Arm_relocate_functions::thm_movt_prel): New function.
7894         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7895         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7896         (Scan::global, Relocate::relocate): Likewise.
7897         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7898
7899 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7900
7901         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7902         Incremental_checker.
7903         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7904         unsigned int.
7905         (class Incremental_inputs_header): New class.
7906         (Incremental_inputs_header_writer): Edit comment.
7907         (Incremental_inputs_entry): New class.
7908         (Incremental_inputs_entry_writer): Edit comment.
7909         (Sized_incremental_binary::do_find_incremental_inputs_section):
7910         Add *strtab_shndx parameter, fill it.
7911         (Sized_incremental_binary::do_check_inputs): New method.
7912         (Incremental_checker::can_incrementally_link_output_file): Use
7913         Sized_incremental_binary::check_inputs.
7914         (Incremental_inputs::report_command_line): Save command line in
7915         command_line_.
7916         * incremental.h:
7917         (Incremental_binary::find_incremental_inputs_section): New
7918         method.
7919         (Incremental_binary::do_find_incremental_inputs_section): Add
7920         strtab_shndx parameter.
7921         (Incremental_binary::do_check_inputs): New pure virtual method.
7922         (Sized_incremental_binary::do_check_inputs): Declare.
7923         (Incremental_checker::Incremental_checker): Add incremental_inputs
7924         parameter, use it to initialize incremental_inputs_.
7925         (Incremental_checker::incremental_inputs_): New field.
7926         (Incremental_checker::command_line): New method.
7927         (Incremental_checker::inputs): New method.
7928         (Incremental_checker::command_line_): New field.
7929
7930 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7931
7932         * incremental.cc: Include <cstdarg> and "target-select.h".
7933         (vexplain_no_incremental): New function.
7934         (explain_no_incremental): New function.
7935         (Incremental_binary::error): New method.
7936         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7937         method.
7938         (make_sized_incremental_binary): New function.
7939         (open_incremental_binary): New function.
7940         (can_incrementally_link_file): Add checks if output is ELF and has
7941         inputs section.
7942         * incremental.h: Include "elfcpp_file.h" and "output.h".
7943         (Incremental_binary): New class.
7944         (Sized_incremental_binary): New class.
7945         (open_incremental_binary): Declare.
7946         * object.cc (is_elf_object): Use
7947         elfcpp::Elf_recognizer::is_elf_file.
7948         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7949         * output.h (Output_file::filesize): New method.
7950
7951 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7952
7953         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7954         New function.
7955         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7956         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7957         function.
7958         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7959         function.
7960         (Arm_relocate_functions::movw_abs_nc): New function.
7961         (Arm_relocate_functions::movt_abs): New function.
7962         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7963         (Arm_relocate_functions::thm_movt_abs): New function.
7964         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7965         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7966         (Scan::global): Likewise.
7967         (Relocate::relocate): Likewise.
7968         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7969
7970 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7971
7972         * arm.cc (Arm_relocate_functions::got_prel) New function.
7973         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7974         (Relocate::relocate): Likewise.
7975         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7976
7977 2009-10-06  Ian Lance Taylor  <iant@google.com>
7978
7979         * options.h (class General_options): Define
7980         split_stack_adjust_size parameter.
7981         * object.h (class Object): Add uses_split_stack_ and
7982         has_no_split_stack_ fields.  Add uses_split_stack and
7983         has_no_split_stack accessor functions.  Declare
7984         handle_split_stack_section.
7985         (class Reloc_symbol_changes): Define.
7986         (class Sized_relobj): Define Function_offsets.  Declare
7987         split_stack_adjust, split_stack_adjust_reltype, and
7988         find_functions.
7989         * object.cc (Object::handle_split_stack_section): New function.
7990         (Sized_relobj::do_layout): Call handle_split_stack_section.
7991         * dynobj.cc (Sized_dynobj::do_layout): Call
7992         handle_split_stack_section.
7993         * reloc.cc (Sized_relobj::relocate_sections): Call
7994         split_stack_adjust for executable sections in split_stack
7995         objects.  Pass reloc_map to relocate_section.
7996         (Sized_relobj::split_stack_adjust): New function.
7997         (Sized_relobj::split_stack_adjust_reltype): New function.
7998         (Sized_relobj::find_functions): New function.
7999         * target-reloc.h: Include "object.h".
8000         (relocate_section): Add reloc_symbol_changes parameter.  Change
8001         all callers.
8002         * target.h (class Target): Add calls_non_split method.  Declare
8003         do_calls_non_split virtual method.  Declare match_view and
8004         set_view_to_nop.
8005         * target.cc: Include "elfcpp.h".
8006         (Target::do_calls_non_split): New function.
8007         (Target::match_view): New function.
8008         (Target::set_view_to_nop): New function.
8009         * gold.cc (queue_middle_tasks): Give an error if mixing
8010         split-stack and non-split-stack objects with -r.
8011         * i386.cc (Target_i386::relocate_section): Add
8012         reloc_symbol_changes parameter.
8013         (Target_i386::do_calls_non_split): New function.
8014         * x86_64.cc (Target_x86_64::relocate_section): Add
8015         reloc_symbol_changes parameter.
8016         (Target_x86_64::do_calls_non_split): New function.
8017         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8018         parameter.
8019         * powerpc.cc (Target_powerpc::relocate_section): Add
8020         reloc_symbol_changes parameter.
8021         * sparc.cc (Target_sparc::relocate_section): Add
8022         reloc_symbol_changes parameter.
8023         * configure.ac: Call AM_CONDITIONAL for the default target.
8024         * configure: Rebuild.
8025         * testsuite/Makefile.am (TEST_AS): New variable.
8026         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8027         (check_DATA): Add split_i386 and split_x86_64 files.
8028         (SPLIT_DEFSYMS): Define.
8029         (split_i386_[1234n].o): New targets.
8030         (split_i386_[124]): New targets.
8031         (split_i386_[1234r].stdout): New targets.
8032         (split_x86_64_[1234n].o): New targets.
8033         (split_x86_64_[124]): New targets.
8034         (split_x86_64_[1234r].stdout): New targets.
8035         (MOSTLYCLEANFILES): Add new executables.
8036         * testsuite/split_i386.sh: New file.
8037         * testsuite/split_x86_64.sh: New file.
8038         * testsuite/split_i386_1.s: New file.
8039         * testsuite/split_i386_2.s: New file.
8040         * testsuite/split_i386_3.s: New file.
8041         * testsuite/split_i386_4.s: New file.
8042         * testsuite/split_i386_n.s: New file.
8043         * testsuite/split_x86_64_1.s: New file.
8044         * testsuite/split_x86_64_2.s: New file.
8045         * testsuite/split_x86_64_3.s: New file.
8046         * testsuite/split_x86_64_4.s: New file.
8047         * testsuite/split_x86_64_n.s: New file.
8048         * testsuite/testfile.cc (Target_test): Update relocation_section
8049         function.
8050         * testsuite/Makefile.in: Rebuild.
8051
8052 2009-10-06  Ian Lance Taylor  <iant@google.com>
8053
8054         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8055         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8056         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8057         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8058         the address on ldo_addrs_.
8059         (Target_i386::Relocate::fix_up_ldo): New function.
8060
8061 2009-10-06   Rafael Espindola  <espindola@google.com>
8062
8063         * plugin.cc (add_input_library): New.
8064         (Plugin::load): Add add_input_library to tv.
8065         (Plugin_manager::add_input_file): Add the is_lib argument.
8066         (add_input_file): Update call to Plugin_manager::add_input_file.
8067         (add_input_library): New.
8068         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8069
8070 2009-09-30  Doug Kwan  <dougkwan@google.com>
8071
8072         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8073         symbol and call Symbol::may_need_copy_reloc to determine if
8074         a copy reloc is needed.
8075         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8076         nocopyreloc is given in command line.
8077         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8078         given in command line.
8079         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8080         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8081         of the removed Target_i386::may_need_copy_reloc.
8082         * options.h (copyreloc): New option with default value false.
8083         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8084         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8085         instead of the removed Target_powerpc::may_need_copy_reloc.
8086         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8087         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8088         instead of the removed Target_sparc::may_need_copy_reloc.
8089         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8090         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8091         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8092         instead of the removed Target_x86_64::may_need_copy_reloc.
8093
8094 2009-09-30  Ian Lance Taylor  <iant@google.com>
8095
8096         * object.h (class Object): Remove target_ field, and target,
8097         sized_target, and set_target methods.
8098         (Object::sized_target): Remove.
8099         (class Sized_relobj): Update declarations.  Remove sized_target.
8100         * object.cc (Sized_relobj::setup): Remove target parameter.
8101         Change all callers.
8102         (Input_objects::add_object): Don't do anything with the target.
8103         (make_elf_sized_object): Add punconfigured parameter.  Change all
8104         callers.  Set or test parameter target.
8105         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8106         Change all callers.
8107         * parameters.cc (Parameters::set_target): Change parameter type to
8108         be non-const.
8109         (Parameters::default_target): Remove.
8110         (set_parameters_target): Change parameter type to be non-const.
8111         (parameters_force_valid_target): New function.
8112         (parameters_clear_target): New function.
8113         * parameters.h (class Parameters): Update declarations.  Remove
8114         default_target method.  Add sized_target and clear_target
8115         methods.  Change target_ to be non-const.
8116         (set_parameters_target): Update declaration.
8117         (parameters_force_valid_target): Declare.
8118         (parameters_clear_target): Declare.
8119         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8120         as NULL if we aren't searching.
8121         (Add_symbols::run): Don't check for compatible target.
8122         * fileread.cc (Input_file::open_binary): Call
8123         parameters_force_valid_target.
8124         * gold.cc (queue_middle_tasks): Likewise.
8125         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8126         set_target on object.
8127         * dynobj.h (class Sized_dynobj): Update declarations.
8128         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8129         make_elf_object returns NULL.
8130         (Archive::include_member): Don't check whether object target is
8131         compatible.
8132         * output.cc (Output_section::add_input_section): Get target from
8133         parameters.
8134         (Output_section::relax_input_section): Likewise.
8135         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8136         parameters.
8137         (Sized_relobj::do_scan_relocs): Likewise.
8138         (Sized_relobj::relocate_sections): Likewise.
8139         * resolve.cc (Symbol_table::resolve): Likewise.
8140         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8141         parameter.  Change all callers.
8142         (Symbol_table::add_from_object): Get target from parameters.
8143         (Symbol_table::add_from_relobj): Don't check object target.
8144         (Symbol_table::add_from_dynobj): Likewise.
8145         (Symbol_table::define_special_symbol): Get target from
8146         parameters.
8147         * symtab.h (class Symbol_table): Update declaration.
8148         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8149         parameter.  Change all callers.  Clear parameter target.
8150         (Binary_test): Test target here.
8151         * testsuite/object_unittest.cc (gold_testsuite): Remove
8152         target_test_pointer parameter.  Change all callers.
8153         (Object_test): Test target here.
8154
8155 2009-09-26  Ian Lance Taylor  <iant@google.com>
8156
8157         * testsuite/initpri1.c: Don't try to use constructor priorities if
8158         compiling with gcc before 4.3.
8159
8160 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8161
8162         * testsuite/retain_symbols_file_test.sh (check_present): Change
8163         output file name to retain_symbols_file_test.stdout.
8164         (check_absent): Likewise.
8165
8166 2009-09-18  Craig Silverstein  <csilvers@google.com>
8167
8168         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8169         * options.cc: Include <cerrno> and <fstream>.
8170         (General_options::finalize): Parse -retain-symbols-file tag.
8171         * options.h: New flag.
8172         (General_options): New method should_retain_symbol, new
8173         variable symbols_to_retain.
8174         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8175         should_retain_symbol map.
8176         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8177         * testsuite/Makefile.in: Regenerate.
8178         * testsuite/retain_symbols_file_test.sh: New file.
8179
8180 2009-09-18  Nick Clifton  <nickc@redhat.com>
8181
8182         * po/es.po: Updated Spanish translation.
8183
8184 2009-09-17  Doug Kwan  <dougkwan@google.com>
8185
8186         * debug.h (DEBUG_RELAXATION): New constant.
8187         (DEBUG_ALL): Add DEBUG_RELAXATION.
8188         (debug_string_to_enum): Add relaxation debug option.
8189         * layout.cc
8190         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8191         Layout::Relaxation_debug_check::read_sections,
8192         Layout::Relaxation_debug_check::read_sections): New method definitions.
8193         (Layout::Layout): Initialize data members
8194         record_output_section_data_from_scrips_,
8195         script_output_section_data_list_ and relaxation_debug_check_.
8196         (Layout::save_segments, Layout::restore_segments,
8197         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8198         Layout::relaxation_loop_body): New method definitions.
8199         (Layout::finalize): Support relaxation.  Move section layout code to
8200         Layout::relaxation_loop_body.
8201         (Layout::set_asection_address_from_script): Move code for orphan
8202         section placement out.
8203         (Layout::place_orphan_sections_in_script): New method definition.
8204         * layout.h (Output_segment_headers, Output_file_header):
8205         New forward class declarations.
8206         (Layout::~Layout): Define.
8207         (Layout::new_output_section_data_from_script): New method definition.
8208         (Layout::place_orphan_sections_in_script): New method declaration.
8209         (Layout::Segment_states): New type declaration.
8210         (Layout::save_segments, Layout::restore_segments,
8211         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8212         Layout::relaxation_loop_body): New method declarations.
8213         (Layout::Output_section_data_list): New type declaration.
8214         (Layout::Relaxation_debug_check): New class definition.
8215         (Layout::record_output_section_data_from_script_,
8216         Layout::script_output_section_data_list_, Layout::segment_states_,
8217         Layout::relaxation_debug_check_): New data members.
8218         * output.cc: (Output_section_headers::do_size): New method definition.
8219         (Output_section_headers::Output_section_headers): Move size
8220         computation to Output_section_headers::do_size.
8221         (Output_segment_headers::do_size): New method definition.
8222         (Output_file_header::Output_file_header): Move size computation to
8223         Output_file_header::do_size and call it.
8224         (Output_file_header::do_size): New method definition.
8225         (Output_data_group::Output_data_group): Adjust call to
8226         Output_section_data.
8227         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8228         (Output_symtab_xindex::do_write): Add array bound check.
8229         (Output_section::Input_section::print_to_mapfile): Handle
8230         RELAXED_INPUT_SECTION_CODE.
8231         (Output_section::Output_section): Initialize data member checkpoint_.
8232         (Output_section::~Output_section): Delete checkpoint object pointed
8233         by checkpoint_.
8234         (Output_section::add_input_section): Always add an Input_section if
8235         relaxing.
8236         (Output_section::add_merge_input_section): Add assert.
8237         (Output_section::relax_input_section): New method definition.
8238         (Output_section::set_final_data_size): Set load address to zero for
8239         an unallocated section.
8240         (Output_section::do_address_and_file_offset_have_reset_values):
8241         New method definition.
8242         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8243         Handle relaxed input section.
8244         (Output_section::sort_attached_input_sections): Checkpoint input
8245         section list lazily.
8246         (Output_section::get_input_sections): Change type of input_sections to
8247         list of Simple_input_section pointers.  Checkpoint input section list
8248         lazily.  Also handle relaxed input sections.
8249         (Output_section::add_input_section_for_script): Take a reference to
8250         a Simple_input_section object instead of Relobj pointer and section
8251         index as parameter.  Handle relaxed input sections.
8252         (Output_section::save_states, Output_section::restore_states): New
8253         method definitions.
8254         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8255         (Output_data::is_data_size_fixed): New method definition.
8256         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8257         if it is fixed.
8258         (Output_data::address_and_file_offset_have_reset_values): New method
8259         definition.
8260         (Output_data::do_address_and_file_offset_have_reset_values): New method
8261         definition.
8262         (Output_data::set_data_size): Check that data size is not fixed.
8263         (Output_data::fix_data_size): New method definition.
8264         (Output_data::is_data_size_fixed_): New data member.
8265         (Output_section_headers::set_final_data_size): New method definition.
8266         (Output_section_headers::do_size): New method declaration.
8267         (Output_segment_headers::set_final_data_size): New method definition.
8268         (Output_segment_headers::do_size): New method declaration.
8269         (Output_file_header::set_final_data_size)::New method definition.
8270         (Output_file_header::do_size)::New method declaration.
8271         (Output_section_data::Output_section_data): Add new parameter
8272         is_data_size_fixed and use it to fix data size.
8273         (Output_data_const::Output_data_const): Adjust call to base class
8274         constructor and fix data size.
8275         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8276         base class constructor and fix data size.
8277         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8278         base class constructor and fix data size.
8279         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8280         class constructor and fix data size.
8281         (Output_data_group::set_final_data_size): New method definition.
8282         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8283         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8284         class constructor and fix data size.
8285         (Output_relaxed_input_section): New class definition.
8286         (Output_section::Simple_input_section): New class definition.
8287         (Output_section::get_input_sections): Adjust parameter list.
8288         (Output_section::add_input_section_for_script): Same.
8289         (Output_section::save_states, Output_section::restore_states,
8290         Output_section::do_address_and_file_offset_have_reset_values,
8291         (Output_section::Input_section::Input_section): Handle
8292         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8293         Output_relaxed_input_section.
8294         (Output_section::Input_section::is_input_section,
8295         Output_section::Input_section::set_output_section): Handle relaxed
8296         input section.
8297         (Output_section::Input_section::is_relaxed_input_section,
8298         Output_section::Input_section::output_section_data,
8299         Output_section::Input_section::relaxed_input_section): New method
8300         definitions.
8301         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8302         value.
8303         (Output_section::Input_section::u1_): Update comments.
8304         (Output_section::Input_section::u2_): Add new union member poris.
8305         (Output_section::Checkpoint_output_section): New classs definition.
8306         (Output_section::relax_input_section): New method declaration.
8307         (Output_section::checkpoint_): New data member.
8308         (Output_segment): Update comments.
8309         (Output_segment::Output_segment): Un-privatize copy constructor.
8310         (Output_segment::operator=): Un-privatize.
8311         * script-sections.cc (Output_section_element::Input_section_list):
8312         Change element type to Output_section::Simple_input_section.
8313         (Output_section_element_dot_assignment::set_section_addresses):
8314         Register output section data for relaxation clean up.
8315         (Output_data_exression::Output_data_expression): Adjust call to base
8316         constructor to fix data size.
8317         (Output_section_element_data::set_section_addresses): Register
8318         Output_data_expression object for relaxation clean up.
8319         (struct Input_section_info): Replace Relobj pointer and section index
8320         pair with Output_section::Simple_input_section and Convert struct to a
8321         class.
8322         (Input_section_sorter::operator()): Adjust access to
8323         Input_section_info data member to use accessors.
8324         (Output_section_element_input::set_section_addresses): Use layout
8325         parameter.  Adjust code to use Output_section::Simple_input_section
8326         and Input_secction_info classes.  Register filler for relaxation
8327         clean up.
8328         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8329         and section index pair with Output_section::Simple_input_section
8330         class.  Adjust code accordingly.
8331         (Phdrs_element::release_segment): New method definition.
8332         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8333         segment list.
8334         (Script_sections::release_segments): New method definition.
8335         * gold/script-sections.h (Script_sections::release_segments): New
8336         method declaration.
8337         * gold/target.h (Target::may_relax, Target::relax,
8338         Target::do_may_relax, Target::do_relax): New method definitions.
8339
8340 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8341
8342         * arm.cc (has_signed_unsigned_overflow): New function.
8343         (Arm_relocate_functions::abs8): New function.
8344         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8345         (Target_arm::Scan::global): Likewise.
8346         (Target_arm::relocate::relocate): Likewise.
8347         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8348         Likewise.
8349
8350 2009-09-16  Cary Coutant  <ccoutant@google.com>
8351
8352         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8353         * testsuite/Makefile.in: Regenerate.
8354
8355 2009-09-11  Nick Clifton  <nickc@redhat.com>
8356
8357         * po/gold.pot: Updated by the Translation project.
8358
8359 2009-09-08  Cary Coutant  <ccoutant@google.com>
8360
8361         * output.cc (Output_file::open): Add execute permission to empty file.
8362         * testsuite/Makefile.am (permission_test): New test.
8363         * testsuite/Makefile.in: Regenerate.
8364
8365 2009-09-02  Ian Lance Taylor  <iant@google.com>
8366
8367         * output.cc (Output_file::resize): Call map_no_anonymous rather
8368         than map.
8369
8370 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8371
8372         * gold.cc: Include "incremental.h".
8373         (queue_initial_tasks): Call Incremental_checker methods.
8374         * incremental.cc: Include "output.h".
8375         (Incremental_checker::can_incrementally_link_output_file): New
8376         method.
8377         * incremental.h (Incremental_checker): New class.
8378
8379         * output.cc (Output_file::open_for_modification): New method.
8380         (Output_file::map_anonymous): Changed return type to bool.  Record
8381         map in base_ field.
8382         (Output_file::map_no_anonymous): New method, broken out of map.
8383         (Output_file::map): Use map_no_anonymous and map_anonymous.
8384         * output.h (class Output_file): Update declarations.
8385
8386 2009-08-24  Cary Coutant  <ccoutant@google.com>
8387
8388         * options.h (Command_line::Pre_options): New class.
8389         (Command_line::pre_options): New member.
8390         * options.cc (gold::options::ready_to_register): New variable.
8391         (One_option::register_option): Do nothing if not registering options.
8392         Assert if same short option registered twice.
8393         (General_options::General_options): Turn off option registration when
8394         done constructing.
8395         (Command_line::Pre_options::Pre_options): New constructor.
8396
8397 2009-08-24  Cary Coutant  <ccoutant@google.com>
8398
8399         * options.h (General_options::no_keep_memory): Remove incorrect
8400         short option.
8401
8402 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8403
8404         * Makefile.am (am__skiplex, am__skipyacc): New.
8405         * Makefile.in: Regenerate.
8406
8407 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8408
8409         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8410         (INCLUDES): ... this.
8411         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8412         (AM_CPPFLAGS): Renamed from ...
8413         (INCLUDE): ... this.
8414         * Makefile.in, testsuite/Makefile.in: Regenerate.
8415
8416         * Makefile.in: Regenerate.
8417         * aclocal.m4: Likewise.
8418         * config.in: Likewise.
8419         * configure: Likewise.
8420         * testsuite/Makefile.in: Likewise.
8421
8422         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8423         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8424         * Makefile.in: Regenerate.
8425         * testsuite/Makefile.in: Regenerate.
8426
8427 2009-08-19  Cary Coutant  <ccoutant@google.com>
8428
8429         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8430         symbols in shared libraries overridden by hidden or internal symbols
8431         in the main program.
8432
8433 2009-08-19  Chris Demetriou  <cgd@google.com>
8434
8435         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8436         checking source file names in error messages.
8437
8438 2009-08-18  Doug Kwan  <dougkwan@google.com>
8439
8440         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8441         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8442         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8443         an elfcpp::Ehdr as parameter.
8444         * object.cc (Object::set_target): Remove the version that looks up
8445         a target and sets it.
8446         (Sized_relobj::setup): Take a Target object instead of
8447         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8448         (make_elf_sized_object): Find target and ask target to
8449         make an ELF object.
8450         * object.h: (Object::set_target): Remove the version that looks up
8451         a target and sets it.
8452         (Sized_relobj::setup): Take a Target object instead of
8453         an elfcpp:Ehdr as parameter.
8454         * target.cc: Include dynobj.h.
8455         (Target::do_make_elf_object_implementation): New.
8456         (Target::do_make_elf_object): New.
8457         * target.h (Target::make_elf_object): New template declaration.
8458         (Target::do_make_elf_object): New method declarations.
8459         (Target::do_make_elf_object_implementation): New template declaration.
8460
8461 2009-08-14  Ian Lance Taylor  <iant@google.com>
8462
8463         * gold.h (FUNCTION_NAME): Define.
8464         (gold_unreachable): Use FUNCTION_NAME.
8465
8466 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8467
8468         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8469         symbol in the --keep-unique list is not found.
8470
8471 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8472
8473         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8474         been maked as --keep-unique.
8475         (Icf::unfold_section): New function.
8476         * icf.h (Icf::unfold_section): New function.
8477         * options.h (General_options::keep_unique): New option.
8478         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8479         * testsuite/Makefile.in: Regenerate.
8480         * testsuite/icf_keep_unique_test.sh: New file.
8481         * testsuite/icf_keep_unique_test.cc: New file.
8482
8483 2009-08-12  Cary Coutant  <ccoutant@google.com>
8484
8485         PR 10471
8486         * resolve.cc (Symbol_table::resolve): Check for references from
8487         dynamic objects to hidden and internal symbols.
8488         * testsuite/Makefile.am (hidden_test.sh): New test.
8489         * testsuite/Makefile.in: Regenerate.
8490         * testsuite/hidden_test.sh: New script.
8491         * testsuite/hidden_test_1.c: New test source.
8492         * testsuite/hidden_test_main.c: New test source.
8493
8494 2009-08-11  Doug Kwan  <dougkwan@google.com>
8495
8496         * arm.cc: Update comments.
8497         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8498         segment to locate the .ARM.exidx section if present.
8499
8500 2009-08-09  Doug Kwan  <dougkwan@google.com>
8501
8502         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8503         patch.
8504
8505 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8506         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8507         compiler warnings.
8508
8509 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8510
8511         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8512         valid tls_segment only for non-debug-section relocations.
8513         * testsuite/Makefile.am: Add gc_tls_test.
8514         * testsuite/Makefile.in: Regenerate.
8515         * testsuite/gc_tls_test.cc: New file.
8516         * testsuite/gc_tls_test.sh: New file.
8517
8518 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8519
8520         * icf.cc: New file.
8521         * icf.h: New file.
8522         * Makefile.am (CCFILES): Add icf.cc.
8523         (HFILES): Add icf.h
8524         * Makefile.in: Regenerate.
8525         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8526         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8527         section, symbol and addend information for the relocs.
8528         * gold.cc (queue_middle_tasks): Call identical code folding.
8529         * gold.h: Add defines for multimap.
8530         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8531         to the call of finalize_local_symbols.
8532         * main.cc (main): Create object of class Icf.
8533         * object.cc (Sized_relobj::do_layout): Allow this function to be
8534         called twice during icf.
8535         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8536         to sections marked as identical by icf.
8537         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8538         when available.
8539         (Sized_relobj::do_section_entsize): New function.
8540         * object.h (Object::section_entsize): New function.
8541         (Object::do_section_entsize): New pure virtual function.
8542         (Relobj::finalize_local_symbols): Add new parameter.
8543         (Relobj::do_section_entsize): New function.
8544         * options.h (General_options::icf): New option.
8545         (General_options::icf_iterations): New option.
8546         (General_options::print_icf_sections): New option.
8547         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8548         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8549         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8550         icf.
8551         * symtab.cc (Symbol_table::is_section_folded): New function.
8552         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8553         to sections marked as identical by icf.
8554         * symtab.h (Symbol_table::set_icf): New function.
8555         (Symbol_table::icf): New function.
8556         (Symbol_table::is_section_folded): New function.
8557         (Symbol_table::icf_): New data member.
8558         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8559         * testsuite/Makefile.am: Add commands to build icf_test.
8560         * testsuite/Makefile.in: Regenerate.
8561         * testsuite/icf_test.sh: New file.
8562         * testsuite/icf_test.cc: New file.
8563
8564 2009-07-24  Chris Demetriou  <cgd@google.com>
8565
8566         * layout.cc (is_compressible_debug_section): Fix incorrect
8567         comment about compressed section names.
8568
8569 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8570
8571         PR 10419
8572         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8573
8574 2009-07-16  Ian Lance Taylor  <iant@google.com>
8575
8576         PR 10400
8577         * layout.h: #include <map>.
8578         (class Kept_section): Change from struct to class.  Add accessors
8579         and setters.  Add section size to Comdat_group mapping.  Change
8580         Comdat_group to std::map.  Add is_comdat_ field.  Add
8581         linkonce_size field in union.
8582         (class Layout): Update declaration of find_or_add_kept_section.
8583         Don't declare find_kept_object.
8584         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8585         parameter.  Add object, shndx, is_comdat, and is_group_name
8586         parameters.  Change all callers.  Adjust for new Kept_section.
8587         (Layout::find_kept_object): Remove.
8588         * object.cc (Sized_relobj::include_section_group): Update use of
8589         Kept_section.  Rename secnum to shndx.  Only record
8590         Kept_comdat_section if sections are the same size.
8591         (Sized_relobj::include_linkonce_section): Update use of
8592         Kept_section.  Only record Kept_comdat_section if sections are the
8593         same size.  Set size of linkonce section.
8594         (Sized_relobj::map_to_kept_section): Update call to
8595         get_kept_comdat_section.
8596         * object.h (class Sized_relobj): Rename fields in
8597         Kept_comdat_section to drop trailing underscores; change object
8598         field to Relobj*.  Change Kept_comdat_section_table to store
8599         struct rather than pointer.
8600         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8601         Add kept_object and kept_shndx parameters.  Change all callers.
8602         (Sized_relobj::get_kept_comdat_section): Change return type to
8603         bool.  Add kept_object and kept_shndx parameters.  Change all
8604         callers.
8605         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8606         Layout::find_or_add_kept_section.
8607
8608 2009-07-09  Ian Lance Taylor  <iant@google.com>
8609
8610         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8611         Reserve space in the hash table.
8612
8613 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8614
8615         * fileread.cc (File_read::get_mtime): New method.
8616         * fileread.h (Timespec): New structure.
8617         (File_read::get_mtime): New method.
8618         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8619         Renamed from timestamp_nsec.
8620         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8621         Elf_Xword.
8622         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8623         timestamp_nsec.
8624         (Incremental_inputs::report_archive): Save mtime; style fix.
8625         (Incremental_inputs::report_obejct): Save mtime; style fix.
8626         (Incremental_inputs::report_script): Save mtime; style fix.
8627         (Incremental_inputs::finalize_inputs): Style fix.
8628         (Incremental_inputs::finalize): Style fix.
8629         (Incremental_inputs::create_input_section_data): Store inputs
8630         mtime.
8631         * incremental.h (Incremental_inputs::report_script): Add mtime
8632         argument.
8633         (Incremental_inputs::Input_info::Input_info): Intialize only one
8634         union member.
8635         (Incremental_inputs::Input_info::archive): Move to nameless
8636         union.
8637         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8638         (Incremental_inputs::Input_info::script): Move to nameless union.
8639         (Incremental_inputs::mtime): New field.
8640         * script.cc (read_input_script): Pass file mtime to
8641         Incremental_input.
8642         * script.h (Script_info::inputs): Style fix.
8643
8644 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8645
8646         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8647         instead of 32.
8648
8649 2009-06-24  Ian Lance Taylor  <iant@google.com>
8650
8651         PR 10156
8652         * layout.cc (Layout::choose_output_section): If we find an
8653         existing section, update the flags.
8654         (Layout::create_notes): New function, broken out of
8655         Layout::finalize.
8656         (Layout::finalize): Don't create note sections.
8657         (Layout::create_note): Don't crash if linker script discards
8658         section.
8659         (Layout::create_gold_note): Likewise.
8660         (Layout::create_build_id): Likewise.  Don't set
8661         after_input_sections on the section.
8662         (Layout::create_executable_stack_info): Remove target parameter.
8663         Change caller.
8664         * layout.h (class Layout): Declare create_notes.  Update
8665         declaration of create_executable_stack_info.
8666         * gold.cc (queue_middle_tasks): Call create_notes.
8667         * output.cc (Output_section::update_flags_for_input_section): Move
8668         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8669         invalid.
8670         * output.h (Output_data::mark_address_invalid): New function.
8671         (class Output_section): Only declare, not define,
8672         update_flags_for_input_section.  Remove set_flags.
8673
8674 2009-06-24  Ian Lance Taylor  <iant@google.com>
8675
8676         * script-sections.cc (Output_section_definition::
8677         set_section_addresses): Rename shadowing local load_address to
8678         laddr.
8679
8680 2009-06-24  Ian Lance Taylor  <iant@google.com>
8681
8682         PR 10244
8683         * reloc.cc (relocate_sections): Skip empty relocation sections.
8684
8685 2009-06-23  Ian Lance Taylor  <iant@google.com>
8686
8687         PR 10156
8688         * layout.cc (Layout::create_note): Use choose_output_section
8689         rather than make_output_section.
8690
8691 2009-06-23  Ian Lance Taylor  <iant@google.com>
8692
8693         PR 10237
8694         * options.cc (General_options::parse_V): Set printed_version_.
8695         (General_options::General_options): Initialize printed_version_.
8696         * options.h (class General_options): Add printed_version_ field.
8697         * gold.cc (queue_initial_tasks): If there are no input files,
8698         don't give a fatal error if we printed the version information.
8699         (queue_middle_tasks): If using -r with a shared object, give a
8700         fatal error rather than an ordinary error.
8701
8702 2009-06-23  Ian Lance Taylor  <iant@google.com>
8703
8704         PR 10219
8705         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8706         (Layout::make_output_section): Set have_stabstr_section_ if we see
8707         a .stab*str section.
8708         (Layout::finalize): Call link_stabs_sections.
8709         (Layout::link_stabs_sections): New file.
8710         * layout.h (class Layout): Add have_stabstr_section_ field.
8711         Declare link_stabs_sections.
8712
8713 2009-06-23  Doug Kwan  <dougkwan@google.com>
8714
8715         * Makefile.am (libgold_a_LIBADD): New.
8716         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8717         * Makefile.in: Regenerate.
8718         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8719         * configure: Regenerate.
8720         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8721         * fileread.cc: Include sys/state.h
8722         * gold.h: Declare memmem and strndup if found missing.
8723         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8724
8725 2009-06-23  Ian Lance Taylor  <iant@google.com>
8726
8727         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8728         * configure: Rebuild.
8729
8730 2009-06-23  Ian Lance Taylor  <iant@google.com>
8731
8732         PR 10147
8733         * object.cc (Object::section_contents): Don't try to get a view if
8734         the section has length zero.
8735         (Object::handle_gnu_warning_section): If the section is empty, use
8736         the name of the section as the warning.
8737
8738 2009-06-23  Ian Lance Taylor  <iant@google.com>
8739
8740         PR 10133
8741         * stringpool.h (class Stringpool_template): Add optimize_ field.
8742         (Stringpool_template::set_optimize): New function.
8743         * stringpool.cc (Stringpool_template::Stringpool_template):
8744         Initialize optimize_ field.
8745         (Stringpool_template::set_string_offsets): Test local optimize
8746         fild rather than parameter.
8747         * layout.cc (Layout::Layout): Call set_optimize on the section
8748         name stringpool.
8749
8750 2009-06-22  Ian Lance Taylor  <iant@google.com>
8751
8752         PR 10030
8753         * yyscript.y: Parse TARGET.
8754         * script.cc (script_set_target): New function.
8755         * script-c.h (script_set_target): Declare.
8756         * options.cc (General_options::string_to_object_format): Rename
8757         from string_to_object_format in anonymous namespace.  Change
8758         callers.
8759         * options.h (class General_options): Declare
8760         string_to_object_format.
8761
8762 2009-06-22  Ian Lance Taylor  <iant@google.com>
8763
8764         * script-sections.cc (Script_sections::create_segments): Don't put
8765         program headers in a PT_LOAD segment if -n or -N.
8766
8767 2009-06-22  Ian Lance Taylor  <iant@google.com>
8768
8769         PR 10141
8770         * options.h (class General_options): Add -z lazy and -z now.  Sort
8771         -z options into alphabetical order.
8772         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8773
8774 2009-06-21  Ian Lance Taylor  <iant@google.com>
8775
8776         * layout.cc (Layout::make_output_section): Call
8777         Target::new_output_section.
8778         (Layout::attach_allocated_section_to_segment): Put large section
8779         sections in a separate load segment with the large segment flag
8780         set.
8781         (Layout::segment_precedes): Sort large data segments after other
8782         load segments.
8783         (align_file_offset): New static function.
8784         (Layout::set_segment_offsets): Use align_file_offset.
8785         * output.h (class Output_section): Add is_small_section_ and
8786         is_large_section_ fields.
8787         (Output_section::is_small_section): New function.
8788         (Output_section::set_is_small_section):  New function.
8789         (Output_section::is_large_section): New function.
8790         (Output_section::set_is_large_section): New function.
8791         (Output_section::is_large_data_section): New function.
8792         (class Output_segment): Add is_large_data_segment_ field.
8793         (Output_segment::is_large_data_segment): New function.
8794         (Output_segment::set_is_large_data_segment): New function.
8795         * output.cc (Output_section::Output_section): Initialize new
8796         fields.
8797         (Output_segment::Output_segment): Likewise.
8798         (Output_segment::add_output_section): Add assertion that large
8799         data sections always go in large data segments.  Force small data
8800         sections to the end of the list of data sections.  Force small BSS
8801         sections to the start of the list of BSS sections.  For large BSS
8802         sections to the end of the list of BSS sections.
8803         * symtab.h (class Symbol): Declare is_common_shndx.
8804         (Symbol::is_defined): Check Symbol::is_common_shndx.
8805         (Symbol::is_common): Likewise.
8806         (class Symbol_table): Define enum Commons_section_type.  Update
8807         declarations.  Add small_commons_ and large_commons_ fields.
8808         * symtab.cc (Symbol::is_common_shndx): New function.
8809         (Symbol_table::Symbol_table): Initialize new fields.
8810         (Symbol_table::add_from_object): Put small and large common
8811         symbols in the right list.
8812         (Symbol_table::sized_finalized_symbol): Check
8813         Symbol::is_common_shndx.
8814         (Symbol_table::sized_write_globals): Likewise.
8815         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8816         common symbol lists.  Don't call do_allocate_commons_list if the
8817         list is empty.
8818         (Symbol_table::do_allocate_commons_list): Remove is_tls
8819         parameter.  Add comons_section_type parameter.  Change all
8820         callers.  Handle small and large common symbols.
8821         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8822         Symbol::is_common_shndx.
8823         * resolve.cc (symbol_to_bits): Likewise.
8824         * target.h (Target::small_common_shndx): New function.
8825         (Target::small_common_section_flags): New function.
8826         (Target::large_common_shndx): New function.
8827         (Target::large_common_section_flags): New function.
8828         (Target::new_output_section): New function.
8829         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8830         small_common_section_flags, and large_common_section_flags
8831         fields.
8832         (Target::do_new_output_section): New virtual function.
8833         * arm.cc (Target_arm::arm_info): Initialize new fields.
8834         * i386.cc (Target_i386::i386_info): Likewise.
8835         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8836         Likewise.
8837         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8838         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8839         (Target_x86_64::do_new_output_section): New function.
8840         * configure.ac: Define conditional MCMODEL_MEDIUM.
8841         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8842         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8843         (large_LDFLAGS): Define.
8844         * testsuite/large.c: New file.
8845         * testsuite/testfile.cc (Target_test::test_target_info):
8846         Initialize new fields.
8847         * configure, testsuite/Makefile.in: Rebuild.
8848
8849 2009-06-05  Doug Kwan  <dougkwan@google.com>
8850
8851         * Makefile.am (CCFILES): Add target.cc.
8852         * Makefile.in: Regenerate.
8853         * i386.cc (class Target_i386): Define new virtual method to
8854         override do_is_local_label_name in parent.
8855         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8856         local symbols if --discard-locals or -X is given.
8857         * options.h (class General_options): Declare new options
8858         '--discard-locals' and '-X' for discarding locals.
8859         * target.h (class Target): Define new methods is_local_label_name.
8860         Declare new virtual method do_is_local_label_name.
8861         * target.cc: New file.
8862         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8863         (check_SCRIPTS): Add discard_locals_test.sh.
8864         (check_DATA): Add discard_local_tests.syms.
8865         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8866         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8867         * testsuite/Makefile.in: Regenerate.
8868         * testsuite/discard_locals_test.c: New file.
8869         * testsuite/discard_locals_test.sh: Same.
8870
8871 2009-06-05  Doug Kwan  <dougkwan@google.com>
8872
8873         * object.cc (Sized_relobj::Sized_relobj): Initialize
8874         discarded_eh_frame_shndx_ to -1U.
8875         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8876         section.
8877         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8878         a discarded .eh_frame section.
8879         (Sized_relobj::do_finalize_local_symbols): Ditto.
8880         * object.h (class Sized_relobj): Declare new member
8881         discarded_eh_frame_shndx_.
8882         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8883         (local_labels_test.o, local_labels_test): New rules.
8884         * testsuite/Makefile.in: Regenerate.
8885
8886 2009-06-04  Doug Kwan  <dougkwan@google.com>
8887
8888         * layout.cc (Layout::section_name_mapping): Add mapping for
8889         special ARM sections.
8890
8891 2009-06-03  Doug Kwan  <dougkwan@google.com>
8892
8893         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8894         (utils::has_overflow): Same.
8895
8896 2009-06-03  Ian Lance Taylor  <iant@google.com>
8897
8898         * layout.cc (Layout::section_name_mapping): New array, replacing
8899         Layout::linkonce_mapping.
8900         (Layout::section_name_mapping_count): New variable, replacing
8901         Layout::linkonce_mapping_count.
8902         (Layout::linkonce_output_name): Remove.
8903         (Layout::output_section_name): Rewrite.
8904         * layout.h (class Layout): Rename Linkonce_mapping to
8905         Section_name_mapping, linkonce_mapping to section_name_mapping,
8906         linkonce_mapping_count to section_name_mapping_count.  Don't
8907         declare linkonce_output_name.
8908
8909 2009-06-03  Doug Kwan  <dougkwan@google.com>
8910
8911         * gold/arm.cc (namespace utils): New.
8912         (Target_arm::reloc_is_non_pic): Define new method.
8913         (class Arm_relocate_functions): New.
8914         (Target_arm::Relocate::relocate): Handle relocation types used by
8915         Android.
8916
8917 2009-06-03  Ian Lance Taylor  <iant@google.com>
8918
8919         * arm.cc (Target_arm::scan::global): Use || instead of |.
8920
8921 2009-06-02  Doug Kwan  <dougkwan@google.com>
8922
8923         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8924         issued_non_pic_error_.
8925         (class Target_arm::Scan): Declare new method check_non_pic.
8926         Define new method symbol_needs_plt_entry.
8927         Declare new data member issued_non_pic_error_.
8928         (class Target_arm::Relocate): Declare new method
8929         should_apply_static_reloc.
8930         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8931         (Target_arm::Scan::check_non_pic): Define new method.
8932         (Target_arm::Scan::local): Handle a small subset of reloc types used
8933         by Android.
8934         (Target_arm::Scan::local): Same.
8935         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8936
8937 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8938
8939         * incremental.cc (Incremental_inputs::report_command_line): Filter
8940         out --incremental-* options.
8941
8942 2009-05-29  Doug Kwan  <dougkwan@google.com>
8943
8944         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8945         template class.
8946         (class Target_arm): Update comment.
8947         (Target_arm::Target_arm): Initialize new data members GOT_,
8948         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8949         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8950         and Target_arm::rel_dyn_section.
8951         Declare new_enum Target_arm::Got_type.
8952         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8953         and DYNBSS_.
8954         Update commments for member do_dynsym_value.
8955         (Target_arm::got_size, Target_arm::plt_section,
8956         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8957         new methods inside class defintion.
8958         (Target_arm::got_section): Define new method.
8959         (Target_arm::rel_dyn_section): Same.
8960         (Output_data_plt_arm): New template class.
8961         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8962         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8963         (Output_data_plt_arm::add_entry): Same.
8964         (Output_data_plt_arm::first_plt_entry): Define new
8965         static data member for PLT instruction template.
8966         (Output_data_plt_arm::plt_entry): Same.
8967         (Output_data_plt_arm::do_write): Define new method.
8968         (Target_arm::make_plt_entry): Same.
8969         (Target_arm::do_finalize_sections): Same.
8970         (Target_arm::do_dynsym_value): Same.
8971
8972 2009-05-28  Doug Kwan  <dougkwan@google.com>
8973
8974         * Makefile.am (TARGETSOURCES): Add arm.cc.
8975         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8976         * Makefile.in: Regenerate.
8977         * arm.cc: New file.
8978         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8979
8980 2009-05-26  Doug Kwan  <dougkwan@google.com>
8981
8982         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8983         (General_options::check_excluded_libs): Strip off directories in
8984         archive name before matching like GNU ld does.
8985         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8986         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8987         (exclude_libs_test_LDFLAGS): Add linker option
8988         -Wl,--exclude-libs,libexclude_libs_test_3
8989         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8990         an explicit archive without using -l.
8991         (alt/libexclude_libs_test_3.a): New make rule.
8992         * testsuite/Makefile.in: Regenerate.
8993         * testsuite/exclude_libs_test.c : Declare lib3_default().
8994         (main): Call it.
8995         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8996         * exclude_libs_test_3.c: New file.
8997
8998 2009-05-26  Nick Clifton  <nickc@redhat.com>
8999
9000         * po/id.po: New Indonesian translation.
9001         * po/gold.pot: Updated template file.
9002
9003 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9004
9005         * testsuite/Makefile.am: Add -ffunction-sections to compile
9006         gc_comdat_test files.  Add -Wl,--gc-sections to build
9007         gc_comdat_test.
9008         * testsuite/Makefile.in: Regenerate.
9009         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9010
9011 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9012
9013         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9014         kept comdat section was garbage collected.
9015         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9016         * testsuite/Makefile.in: Regenerate.
9017         * testsuite/gc_comdat_test.sh: New file.
9018         * testsuite/gc_comdat_test_1.cc: New file.
9019         * testsuite/gc_comdat_test_2.cc: New file.
9020
9021 2009-05-19  Doug Kwan  <dougkwan@google.com>
9022
9023         * archive.cc (Archive::Archive): Move constructor from archive.h
9024         to here.  Initialize no_export_.
9025         (Archive::get_elf_object_for_member): Set no_export flag of object.
9026         * archive.h (Archive::Archive): Move constructor body to
9027         archive.cc.
9028         (Archive::no_export): New method.
9029         (Archive::no_export_): New field.
9030         * object.h (Object::Object): Initialize no_export_ to false.
9031         (Object::no_export, Object::set_no_export): New methods.
9032         (Object::no_export_): New field.
9033         * options.cc (General_options::parse_exclude_libs): New method.
9034         (General_options::check_excluded_libs) Same.
9035         * options.h (exclude_libs): New option.
9036         (General_options::check_excluded_libs): New method declaration.
9037         (General_options::excluded_libs_): New field.
9038         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9039         default or protected visibility if an object has no-export flag set.
9040         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9041         (check_SCRIPTS): Add exclude_libs_test.sh.
9042         (check_DATA): Add exclude_libs_test.syms.
9043         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9044         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9045         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9046         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9047         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9048         libexclude_libs_test_2.a): New rules.
9049         * testsuite/Makefile.in: Regenerate.
9050         * testsuite/exclude_libs_test.c: New file.
9051         * testsuite/exclude_libs_test.sh: Ditto.
9052         * testsuite/exclude_libs_test_1.c: Ditto.
9053         * testsuite/exclude_libs_test_2.c: Ditto.
9054
9055 2009-05-15  Ian Lance Taylor  <iant@google.com>
9056
9057         * configure.ac: Check for declarations for cases where libiberty.h
9058         checks HAVE_DECL_xxx.
9059         * configure, config.in: Rebuild.
9060
9061 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9062
9063         * gold.h (Incremental_argument_list): Remove (invalid) forward
9064         declaration.
9065         * incremental.cc (Incremental_inputs::report_achive): New method.
9066         (Incremental_inputs::report_object): New method.
9067         (Incremental_inputs::report_script): New method.
9068         (Incremental_inputs::finalize_inputs): New method.
9069         (Incremental_inputs::finalize): Call finalize_inputs().
9070         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9071         Create inputs entries.
9072         * incremental.h (Incremental_input_type): New enum.
9073         (Incremental_inputs::Incremental_input): Initialize new fields.
9074         (Incremental_inputs::report_inputs): New method.
9075         (Incremental_inputs::report_achive): New method.
9076         (Incremental_inputs::report_object): New method.
9077         (Incremental_inputs::report_script): New method.
9078         (Incremental_inputs::finalize_inputs): New method.
9079         (Incremental_inputs::Input_info): New struct.
9080         (Incremental_inputs::Input_info_map): New typedef.
9081         (Incremental_inputs::lock_): New field.
9082         (Incremental_inputs::Inputs_): New field.
9083         (Incremental_inputs::Inputs_map): New field.
9084         * main.cc (main): Call Incremental_input::report_inputs.
9085         * options.h (Input_argument_list): Typedef moved from
9086         Input_arguments.
9087         (Input_file_group::Files): Remove, use ::Input_argument_list.
9088         (Input_file_group::Input_argument_list): Remove, use
9089         ::Input_argument_list.
9090         * plugin.cc (Plugin_manager::add_input_file): Add error in
9091         incremental build.
9092         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9093         functions.
9094         * script.cc (read_input_script): Call
9095         Incremental_input::report_script.
9096         * script.h (Script_info): New class.
9097
9098 2009-04-27  Ian Lance Taylor  <iant@google.com>
9099
9100         * x86_64.cc (do_adjust_output_section): Set entsize to
9101         plt_entry_size.
9102
9103 2009-04-23  Elliott Hughes  <enh@google.com>
9104
9105         * output.cc (Output_file::close): After short writes, continue
9106         writing from the correct offset in the buffer being written.
9107
9108 2009-04-23  Chris Demetriou  <cgd@google.com>
9109
9110         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9111         * configure: Regenerate.
9112         * config.in: Regenerate.
9113         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9114         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9115
9116 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9117
9118         * incremental.cc (Incremental_inputs_header_data): Renamed from
9119         Incremental_input_header_data.
9120         (Incremental_inputs_header_data::data_size): New field.
9121         (Incremental_inputs_header_data::put_input_file_count): Renamed
9122         from input_file_count.
9123         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9124         from command_line_offset.
9125         (Incremental_inputs_header_data::put_reserved): Renamed from
9126         put_reserved.
9127         (Incremental_inputs_entry_data): Renamed from
9128         Incremental_input_entry_data.
9129         (Incremental_inputs_entry_data::data_size): New field.
9130         (Incremental_inputs::report_command_line): New method.
9131         (Incremental_inputs::finalize): New method.
9132         (Incremental_inputs::create_incremental_inputs_data): New method.
9133         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9134         * incremental.h: New file.
9135         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9136        (Layout::finalize): Create incremental inputs section in
9137         incremental builds.
9138        (Layout::create_incremental_info_sections): New method.
9139         * layout.h (Layout::incremental_inputs): New method.
9140        (Layout::create_incremental_info_sections): New method.
9141        (Layout::incremental_inputs_): New field.
9142         * main.cc (main): Notify Incremental_input of the command line.
9143
9144 2009-04-01  Ian Lance Taylor  <iant@google.com>
9145             Mikolaj Zalewski  <mikolajz@google.com>
9146
9147         * gold.h (reserve_unordered_map): Define, three versions, one for
9148         each version of Unordered_map.
9149         * layout.cc (Layout::Layout): Remove options parameter.  Add
9150         number_of_input_files parameter.  Don't initialize options_.
9151         Initialize number_of_input_files_ and resized_signatures_.  Move
9152         sections_are_attached_.
9153         (Layout::layout_group): Reserve space for group_signatures_.
9154         (Layout::find_or_add_kept_section): Change name parameter to be a
9155         reference.  Resize signatures_ map when it gets large enough.
9156         (Layout::layout_eh_frame): Use parameters->options() instead of
9157         this->options_.
9158         (Layout::make_output_section): Likewise.
9159         (Layout::attach_allocated_section_to_segment): Likewise.
9160         (Layout::finalize, Layout::create_executable_stack): Likewise.
9161         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9162         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9163         * layout.h (class Layout): Update declarations.  Remove options_
9164         field.  Add number_of_input_files_ and resized_signatures_
9165         fields.  Move sections_are_attached_ field.
9166         * main.cc (main): Pass number of input files to Layout
9167         constructor.  Don't pass options.
9168
9169 2009-03-30  Ian Lance Taylor  <iant@google.com>
9170
9171         * ffsll.c (ffsll): Correct implementation.
9172
9173 2009-03-27  Ian Lance Taylor  <iant@google.com>
9174
9175         * ffsll.c: New file.
9176         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9177         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9178         * ftruncate.c (ftruncate): Declare before definition.
9179         * mremap.c (mremap): Likewise.
9180         * pread.c (pread): Likewise.
9181         * configure, Makefile.in, config.in: Rebuild.
9182
9183         * mremap.c: New file.
9184         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9185         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9186         (mremap): Declare if HAVE_MREMAP is not defined.
9187         * configure, Makefile.in, config.in: Rebuild.
9188
9189 2009-03-27  Cary Coutant  <ccoutant@google.com>
9190
9191         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9192         position independent.
9193         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9194         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9195
9196 2009-03-24  Cary Coutant  <ccoutant@google.com>
9197
9198         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9199         an executable.
9200         (needs_dynamic_reloc): Likewise.
9201
9202 2009-03-24  Ian Lance Taylor  <iant@google.com>
9203
9204         * yyscript.y (file_cmd): Recognize EXTERN.
9205         (extern_name_list, extern_name_list_body): New nonterminals.
9206         * script.cc (script_add_extern): Define.
9207         * script-c.h (script_add_extern): Declare.
9208
9209 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9210
9211         * object.cc (is_elf_object): Define.
9212         * object.h (is_elf_object): Declare.
9213         * archive.cc (Archive::get_elf_object_for_member): Call
9214         is_elf_object.
9215         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9216
9217 2009-03-24  Elliott Hughes  <enh@google.com>
9218
9219         * output.cc (Output_file::map_anonymous): Define.
9220         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9221         try an anonymous one.  Report the size if the mmap fails.
9222         * output.h (class Output_file): Declare map_anonymous.
9223
9224 2009-03-24  Ian Lance Taylor  <iant@google.com>
9225
9226         * target-select.cc (instantiate_target): Don't acquire the lock if
9227         the instantiated_target_ field has already been set.
9228
9229 2009-03-23  Ian Lance Taylor  <iant@google.com>
9230
9231         * gold-threads.h (class Initialize_lock): Define.
9232         * gold-threads.cc (class Initialize_lock_once): Define.
9233         (initialize_lock_control): New static variable.
9234         (initialize_lock_pointer): New static variable.
9235         (initialize_lock_once): New static function.
9236         (Initialize_lock::Initialize_lock): Define.
9237         (Initialize_lock::initialize): Define.
9238         * target-select.h: Include "gold-threads.h".
9239         (class Target_selector): Add lock_ and initialize_lock_ fields.
9240         Don't define instantiate_target, just declare it.
9241         * target-select.cc (Target_selector::Target_selector): Initialize
9242         new fields.
9243         (Target_selector::instantiate_target): Define.
9244         * descriptors.h: Include "gold-threads.h".
9245         (class Descriptors): Add initialize_lock_ field.
9246         * descriptors.cc (Descriptors::Descriptors): Initialize new
9247         field.
9248         (Descriptors::open): Use initialize_lock_ field
9249         * errors.h (class Errors): Add initialize_lock_ field.
9250         * errors.cc (Errors::Errors): Initialize new field.
9251         (Errors::initialize_lock): Use initialize_lock_ field.
9252         * powerpc.cc (class Target_selector_powerpc): Remove
9253         instantiated_target_ field.  In do_recognize call
9254         instantiate_target rather than do_instantiate_target.  In
9255         do_instantiate_target just allocate a new target.
9256         * sparc.cc (class Target_selector_sparc): Likewise.
9257
9258         * freebsd.h: New file.
9259         * i386.cc: Include "freebsd.h".
9260         (Target_i386): Derive from Target_freebsd rather than
9261         Sized_target.
9262         (Target_selector_i386): Derive from Target_selector_freebsd rather
9263         than Target_selector.
9264         * x86_64.cc: Include "freebsd.h".
9265         (Target_x86_64): Derive from Target_freebsd rather than
9266         Sized_target.
9267         (Target_selector_x86_64): Derive from Target_selector_freebsd
9268         rather than Target_selector.
9269         * target.h (class Target): Add adjust_elf_header and
9270         do_adjust_elf_header.
9271         * output.cc (Output_file_header:: do_sized_write): Call target
9272         adjust_elf_header routine.
9273         * configure.tgt: Set targ_osabi.
9274         * configure.ac: Define GOLD_DEFAULT_OSABI.
9275         * parameters.cc (Parameters::default_target): Pass
9276         GOLD_DEFAULT_OSABI to select_target.
9277         * target-select.h (class Target_selector): Make instantiate_target
9278         protected rather than private.
9279         * Makefile.am (HFILES): Add freebsd.h.
9280         * configure, Makefile.in, config.in: Rebuild.
9281
9282         * merge.cc (do_add_input_section): Correct pend value.  Change
9283         message about last entry not being null terminated from error to
9284         warning.
9285
9286 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9287
9288         * incremental.cc: New file.
9289         * Makefile.am (CCFILES): Add incremental.cc.
9290         * Makefile.in: Rebuild.
9291
9292 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9293
9294         * layout.cc (Layout::output_section_name): Preserve names
9295         of '.note.' sections.
9296
9297 2009-03-19  Ian Lance Taylor  <iant@google.com>
9298
9299         * descriptors.cc (Descriptors::open): Check that the options are
9300         valid before using them.
9301
9302 2009-03-18  Ian Lance Taylor  <iant@google.com>
9303
9304         * script-sections.h: Include <list>.
9305         (class Script_sections): Change Sections_elements from std::vector
9306         to std::list.  Typedef public Elements_iterator.  Add
9307         orphan_section_placement_, data_segment_align_start_, and
9308         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9309         field.
9310         * script-sections.cc (class Orphan_section_placement): New class.
9311         (class Sections_element): Add virtual functions is_relro and
9312         orphan_section_init.  Remove virtual function place_orphan_here.
9313         (class Output_section_definition): Add is_relro and
9314         orphan_section_init.  Remove place_orphan_here.
9315         (class Orphan_output_section): Likewise.
9316         (Script_sections::Script_sections): Update for field changes.
9317         (Script_sections::data_segment_align): Set saw_data_segment_align_
9318         and data_segment_align_start_, not data_segment_align_index.
9319         (Script_sections::data_segment_relro_end): Check
9320         saw_data_segment_align_.  Use data_segment_align_start_ rather
9321         than data_segment_align_index_.
9322         (Script_sections::place_orphan): Rewrite to use
9323         Orphan_section_placement.
9324
9325 2009-03-17  Ian Lance Taylor  <iant@google.com>
9326
9327         * archive.cc (Archive::add_symbols): Check for a version attached
9328         to the symbol name in the archive map.
9329         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9330         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9331         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9332         (ver_test_11.a): New target.
9333         * testsuite/Makefile.in: Rebuild.
9334
9335         * configure.ac: Check for chsize and posix_fallocate.  Replace
9336         ftruncate.
9337         * ftruncate.c: New file, from gnulib.
9338         * output.cc (posix_fallocate): Define dummy version if not
9339         HAVE_POSIX_FALLOCATE.
9340         (Output_file::map): Call posix_fallocate rather than lseek and
9341         write.
9342         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9343         * configure, Makefile.in, config.in: Rebuild.
9344
9345 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9346
9347         * layout.h (Layout::create_note): Add section_name parameter.
9348         * layout.cc (Layout::create_note): Likewise.
9349         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9350
9351 2009-03-17  Ian Lance Taylor  <iant@google.com>
9352
9353         * descriptors.cc: Include "options.h".
9354         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9355         (Descriptors::open): Always use O_CLOEXEC when opening a new
9356         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9357         then set FD_CLOEXEC.
9358
9359         * sparc.cc (class Target_sparc): Add has_got_section.
9360         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9361         make sure we have a GOT section.
9362
9363         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9364         (Target_sparc::Scan::local): Likewise.
9365         (Target_sparc::Scan::global): Likewise.
9366         (Target_sparc::Relocate::relocate): Likewise.
9367         (Target_sparc::Relocate::relocate_tls): Likewise.
9368
9369         * symtab.cc (Symbol_table::define_default_version): New function,
9370         broken out of add_from_object.
9371         (Symbol_table::add_from_object): Call define_default_version.
9372         (Symbol_table::define_special_symbol): Add resolve_oldsym
9373         parameter.  Change all callers.  If the version for a symbol comes
9374         from a version script, resolve it with the symbol with the same
9375         name with no version.  Also add the symbol without a version if
9376         appropriate.
9377         (do_define_in_output_data): If resolving with oldsym, don't delete
9378         sym.
9379         (do_define_in_output_segment): Likewise.
9380         (do_define_as_constant): Likewise.
9381         * symtab.h (class Symbol_table): Update declarations.
9382
9383 2009-03-13  Ian Lance Taylor  <iant@google.com>
9384
9385         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9386         (Read_symbols::requeue): New function.
9387         (Read_symbols::do_read_symbols): If make_elf_object fails because
9388         the target type is not configured, and the file was searched for,
9389         issue a warning and retry with the next directory.
9390         (Add_symbols::run): If the file has an incompatible format, and
9391         it was searched for, requeue the Read_symbols task.  On error,
9392         release the object.
9393         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9394         dirindex parameter to constructor.  Change all callers.  Declare
9395         incompatible_warning and requeue.
9396         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9397         input_argument_ and input_group_ fields.  Add them to
9398         constructor.  Change all callers.
9399         (class Read_script): Add dirindex_ field.  Add it to constructor.
9400         Change all callers.
9401         * archive.cc (Archive::setup): Remove input_objects parameter.
9402         Change all callers.
9403         (Archive::get_file_and_offset): Likewise.
9404         (Archive::read_all_symbols): Likewise.
9405         (Archive::read_symbols): Likewise.
9406         (Archive::get_elf_object_for_member): Remove input_objects
9407         parameter.  Add punconfigured parameter.  Change all callers.
9408         (Archive::add_symbols): Change return type to bool.  Check return
9409         value of include_member.
9410         (Archive::include_all_members): Likewise.
9411         (Archive::include_member): Change return type to bool.  Return
9412         false if first included object has incompatible target.  Set
9413         included_member_ field.
9414         (Add_archive_symbols::run): If add_symbols returns false, requeue
9415         Read_symbols task.
9416         * archive.h (class Archive): Add included_member_ field.
9417         Initialize it in constructor.  Add input_file and searched_for
9418         methods.  Update declarations.
9419         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9420         input_argument_ fields.  Add them to constructor.  Change all
9421         callers.
9422         * script.cc: Include "target-select.h".
9423         (class Parser_closure): Add skip_on_incompatible_target_ and
9424         found_incompatible_target_ fields.  Add
9425         skip_on_incompatible_target parameter to constructor.  Change all
9426         callers.  Add methods skip_on_incompatible_target,
9427         clear_skip_on_incompatible_target, found_incompatible_target, and
9428         set_found_incompatible_target.
9429         (read_input_script): Add dirindex parameter.  Change all callers.
9430         If parser finds an incompatible target, requeue Read_symbols
9431         task.
9432         (script_set_symbol): Clear skip_on_incompatible_target in
9433         closure.
9434         (script_add_assertion, script_parse_option): Likewise.
9435         (script_start_sections, script_add_phdr): Likewise.
9436         (script_check_output_format): New function.
9437         * script.h (read_input_script): Update declaration.
9438         * script-c.h (script_check_output_format): Declare.
9439         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9440         (ignore_cmd): Remove OUTPUT_FORMAT.
9441         * fileread.cc (Input_file::Input_file): Add explicit this.
9442         (Input_file::will_search_for): New function.
9443         (Input_file::open): Add pindex parameter.  Change all callers.
9444         * fileread.h (class Input_file): Add input_file_argument method.
9445         Declare will_search_for.  Update declarations.
9446         * object.cc (make_elf_object): Add punconfigured parameter.
9447         Change all callers.
9448         * object.h (class Object): Make input_file public.  Add
9449         searched_for method.
9450         (make_elf_object): Update declaration.
9451         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9452         restart search.
9453         * dirsearch.h (class Dirsearch): Update declaration.
9454         * options.h (class General_options): Add --warn-search-mismatch.
9455         * parameters.cc (Parameters::is_compatible_target): New function.
9456         * parameters.h (class Parameters): Declare is_compatible_target.
9457         * workqueue.cc (Workqueue::add_blocker): New function.
9458         * workqueue.h (class Workqueue): Declare add_blocker.
9459
9460         * fileread.cc (Input_file::open): Remove options parameter.
9461         Change all callers.
9462         (Input_file::open_binary): Likewise.
9463         * script.cc (read_input_script): Likewise.
9464         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9465         options parameter from constructor.  Change all callers.
9466         (class Read_script): Likewise.
9467         * fileread.h (class Input_file): Update declarations.
9468         * script.h (read_input_script): Update declaration.
9469
9470 2009-03-10  Nick Clifton  <nickc@redhat.com>
9471
9472         * po/es.po: New Spanish translation.
9473
9474 2009-03-06  Cary Coutant  <ccoutant@google.com>
9475
9476         * options.cc (parse_short_option): Keep dash_z from registering itself.
9477
9478 2009-03-03  Ian Lance Taylor  <iant@google.com>
9479
9480         PR 9918
9481         * target-reloc.h (relocate_section): Pass output_section to
9482         relocate.
9483         * i386.cc (Target_i386::should_apply_static_reloc): Add
9484         output_section parameter.  Change all callers.
9485         (Target_i386::Relocate::relocate): Add output_section parameter.
9486         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9487         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9488         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9489         * testsuite/two_file_shared.sh: New script.
9490         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9491         (check_DATA): Add two_file_shared.dbg.
9492         (two_file_shared.dbg): New target.
9493         * testsuite/Makefile.in: Rebuild.
9494
9495 2009-03-01  Ian Lance Taylor  <iant@google.com>
9496
9497         * configure.ac: Check for byteswap.h.
9498         * configure: Rebuild.
9499         * config.in: Rebuild.
9500
9501 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9502
9503         * layout.cc (Layout::find_or_add_kept_section): New function.
9504         (Layout::add_comdat): Removed.
9505         * layout.h (struct Kept_section): Move out of class Layout.
9506         Remove trailing underscores from field names.  Add group_sections
9507         field.  Rename group_ field to is_group.  Change all uses.
9508         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9509         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9510         comdat_groups_ field.
9511         (Sized_relobj::include_section_group): Use
9512         find_or_add_kept_section and Kept_section::group_sections.
9513         (Sized_relobj::include_linkonce_section): Likewise.
9514         * object.cc (class Sized_relobj): Don't define Comdat_group or
9515         Comdat_group_table.  Remove find_comdat_group and
9516         add_comdat_group.  Remove comdat_groups_ field.
9517         * plugin.cc (include_comdat_group): Use
9518         Layout::find_or_add_kept_section.
9519
9520 2009-02-28  Ian Lance Taylor  <iant@google.com>
9521
9522         * README: --gc-sections and map files are now supported.  Document
9523         some build requirements.
9524
9525         PR 6992
9526         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9527         relocatable link set the value of the section symbol to zero.
9528         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9529         relocatable link don't include the section address in the local
9530         symbol value.
9531
9532 2009-02-27  Ian Lance Taylor  <iant@google.com>
9533
9534         PR 6811
9535         * options.h (class Search_directory): Add is_system_directory.
9536         (class General_options): Declare is_in_system_directory.
9537         * options.cc (get_relative_sysroot): Make static.
9538         (get_default_sysroot): Make static.
9539         (General_optoins::is_in_system_directory): New function.
9540         * fileread.cc (Input_file::is_in_system_directory): New function.
9541         * fileread.h (class Input_file): Declare is_in_system_directory.
9542         * object.h (class Object): Add is_in_system_directory.
9543         (class Input_objects): Remove system_library_directory_ field.
9544         * object.cc (Input_objects::add_object): Don't set
9545         system_library_directory_.
9546         (input_objects::found_in_system_library_directory): Remove.
9547         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9548         parameter.  Change all callers.
9549         (Symbol_table::sized_write_globals): Likewise.
9550         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9551         Call Object::is_in_system_directory.
9552         * symtab.h (class Symbol_table): Update declarations.
9553
9554         PR 5990
9555         * descriptors.h (Open_descriptor): Add is_on_stack field.
9556         * descriptors.cc (Descriptors::open): If the descriptor is on the
9557         top of the stack, remove it.  Initialize is_on_stack field.
9558         (Descriptors::release): Only add pod to stack if it is not on the
9559         stack already.
9560         (Descriptors::close_some_descriptor): Clear stack_next and
9561         is_on_stack fields.
9562
9563         PR 7091
9564         * output.cc (Output_section::find_starting_output_address): Rename
9565         from starting_output_address; add PADDR parameter; change return
9566         type.
9567         * output.h (class Output_section): Declare
9568         find_starting_output_address instead of starting_output_address.
9569         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9570         section symbol for which we can't find a merge section.
9571
9572         PR 9836
9573         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9574         hidden or internal, force the symbol to be local.
9575         * resolve.cc (Symbol::override_visibility): Define.
9576         (Symbol::override_base): Use override_visibility.
9577         (Symbol_table::resolve): Likewise.
9578         (Symbol::override_base_with_special): Likewise.
9579         (Symbol_table::override_with_special): If the visibility is hidden
9580         or internal, force the symbol to be local.
9581         * symtab.h (class Symbol): Add set_visibility and
9582         override_visibility.
9583         * testsuite/ver_test_1.sh: New file.
9584         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9585         (check_DATA): Add ver_test_1.syms.
9586         (ver_test_1.syms): New target.
9587         * testsuite/Makefile.in: Rebuild.
9588
9589 2009-02-25  Cary Coutant  <ccoutant@google.com>
9590
9591         * layout.cc (Layout::choose_output_section): Don't rename sections
9592         when using a linker script that has a SECTIONS clause.
9593         * Makefile.in: Regenerate.
9594
9595         * testsuite/Makefile.am (script_test_5.sh): New test case.
9596         * testsuite/Makefile.in: Regenerate.
9597         * testsuite/script_test_5.cc: New file.
9598         * testsuite/script_test_5.sh: New file.
9599         * testsuite/script_test_5.t: New file.
9600
9601 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9602
9603         * archive.cc (Archive::include_member): Update calls to add_symbols.
9604         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9605         the Layout argument.
9606         * dynobj.h (do_add_symbols): Add the Layout argument.
9607         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9608         Layout argument.
9609         * object.h (Object::add_symbols): Add the Layout argument.
9610         (Object::do_add_symbols): Add the Layout argument.
9611         (Sized_relobj::do_add_symbols): Add the Layout argument.
9612         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9613         Unify the two versions.
9614         (Add_plugin_symbols): Remove.
9615         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9616         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9617         (Add_plugin_symbols): Remove.
9618         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9619         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9620         (Add_symbols::run): Make it work with Pulginobj.
9621
9622 2009-02-06  Ian Lance Taylor  <iant@google.com>
9623
9624         * object.cc (Sized_relobj::do_layout): Make info message start
9625         with lower case letter.
9626
9627 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9628
9629         * binary.cc: Fix file comment.
9630
9631         * options.h (enum Incremental_disposition): Define.
9632         (class General_options): Add new options: --incremental,
9633         --incremental_changed, --incremental_unchanged,
9634         --incremental_unknown.  Add incremental_disposition_ and
9635         implicit_incremental_ fields.
9636         (General_options::incremental_disposition): New function.
9637         (class Position_dependent_options): Add incremental_disposition
9638         option.
9639         (Position_dependent_options::copy_from_options): Set incremental
9640         dispositions.
9641         * options.cc (General_options::parse_incremental_changed): New
9642         function.
9643         (General_options::parse_incremental_unchanged): New function.
9644         (General_options::parse_incremental_unknown): New function.
9645         (General_options::General_options): Initialize new fields
9646         incremental_disposition_ and implicit_incremental_.
9647         (General_options::finalize): Check for uasge of --incremental-*
9648         without --incremental.
9649
9650 2009-02-06  Chris Demetriou  <cgd@google.com>
9651
9652         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9653         pointer and to report location as the file name associated with
9654         the symbol.
9655         (gold_undefined_symbol_at_location): New function to replace the
9656         old gold_undefined_symbol functionality.
9657         * target-reloc.h (relocate_section): Update to use
9658         gold_undefined_symbol_at_location.
9659         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9660         Call gold_undefined_symbol function rather than gold_error.
9661         * errors.h (Errors::undefined_symbol): Take location as a
9662         string, rather than calculating it from a relocation.
9663         * errors.cc (Errors::fatal): Print "fatal error:" before the
9664         formatted message.
9665         (Errors::error, Errors::error_at_location): Print "error: "
9666         before the formatted message.
9667         (Errors::undefined_symbol): Take location as a string, rather
9668         than calculating it from a relocation.
9669         (gold_undefined_symbol_at_location): New function akin to
9670         old gold_undefined_symbol, calculates location from relocation.
9671         (gold_undefined_symbol): Change to take only a Symbol pointer
9672         and to report location as the file name associated with the symbol.
9673         * testsuite/debug_msg.sh: Update for changed error messages.
9674         * testsuite/undef_symbol.sh: Likewise.
9675
9676 2009-02-04  Duncan Sands  <baldrick@free.fr>
9677
9678         PR 9812
9679         * reduced_debug_output.h
9680         (Output_reduced_debug_abbrev_section::failed): Use format for
9681         gold_warning.
9682         (Output_reduced_debug_info_section::faild): Likewise.
9683
9684 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9685
9686         * script.cc (Lazy_demangler): New class.
9687         (Version_script_info::get_symbol_version_helper): Demangle a
9688         symbol only once.
9689
9690 2009-01-29  Cary Coutant  <ccoutant@google.com>
9691
9692         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9693         to __tls_get_addr.
9694         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9695
9696 2009-01-28  Ian Lance Taylor  <iant@google.com>
9697
9698         * version.cc (version_string): Bump to 1.9.
9699
9700         * gold.h: Include <cstring> and <stdint.h>.
9701         * version.cc: Include <cstdio>.
9702         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9703         warning.
9704         * reduced_debug_output.cc (insert_into_vector): Rename from
9705         Insert_into_vector; change all callers.  Use Swap_unaligned to
9706         avoid aliasing issue; remove union since it is unnecessary.
9707
9708 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9709
9710         * Makefile.am (CCFILES): Add gc.cc.
9711         (HFILES): Add gc.h.
9712         * Makefile.in: Regenerate.
9713         * gold.cc (Gc_runner): New class.
9714         (queue_initial_tasks): Call garbage collection related tasks
9715         when corresponding options are invoked.
9716         (queue_middle_gc_tasks): New function.
9717         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9718         processed early before laying out sections during garbage collection.
9719         * gold.h (queue_middle_gc_tasks): New function.
9720         (is_prefix_of): Move from "layout.cc".
9721         * i386.cc (Target_i386::gc_process_relocs): New function.
9722         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9723         * main.cc (main): Create object of class "Garbage_collection".
9724         * object.cc (Relobj::copy_symbols_data): New function.
9725         (Relobj::is_section_name_included): New function.
9726         (Sized_relobj::do_layout): Allow this function to be called twice
9727         during garbage collection and defer layout of section during the
9728         first call.
9729         * object.h (Relobj::get_symbols_data): New function.
9730         (Relobj::is_section_name_included): New function.
9731         (Relobj::copy_symbols_data): New function.
9732         (Relobj::set_symbols_data): New function.
9733         (Relobj::get_relocs_data): New function.
9734         (Relobj::set_relocs_data): New function.
9735         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9736         (Relobj::gc_process_relocs): New function.
9737         (Relobj::do_gc_process_relocs): New pure virtual function.
9738         (Relobj::sd_): New data member.
9739         (Sized_relobj::is_output_section_offset_invalid): New function.
9740         (Sized_relobj::do_gc_process_relocs): New function.
9741         * options.h (General_options::gc_sections): Modify to not be a no-op.
9742         (General_options::print_gc_sections): New option.
9743         * plugin.cc (Plugin_finish::run): Remove function call to
9744         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9745         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9746         * reloc.cc (Read_relocs::run): Add task to process relocs and
9747         determine unreferenced sections when doing garbage collection.
9748         (Gc_process_relocs): New class.
9749         (Sized_relobj::do_gc_process_relocs): New function.
9750         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9751         sections that are garbage collected.
9752         * reloc.h (Gc_process_relocs): New class.
9753         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9754         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9755         symbols whose corresponding sections are garbage collected.
9756         (Symbol_table::Symbol_table): Add new parameter for the garbage
9757         collection object.
9758         (Symbol_table::gc_mark_undef_symbols): New function.
9759         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9760         (Symbol_table::gc_mark_dyn_syms): New function.
9761         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9762         as garbage.
9763         (Symbol_table::add_from_object): Likewise.
9764         (Symbol_table::add_from_relobj): When building shared objects, do not
9765         treat externally visible symbols as garbage.
9766         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9767         table information for static and relocatable links.
9768         * symtab.h (Symbol_table::set_gc): New function.
9769         (Symbol_table::gc): New function.
9770         (Symbol_table::gc_mark_undef_symbols): New function.
9771         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9772         (Symbol_table::gc_mark_dyn_syms): New function.
9773         (Symbol_table::gc_): New data member.
9774         * target.h (Sized_target::gc_process_relocs): New pure virtual
9775         function.
9776         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9777         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9778
9779 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9780
9781         * options.h (General_options::gc_sections): Define as a no-op for now.
9782         (General_options::no_keep_memory): Ditto.
9783         (General_options::Bshareable): Define.
9784         * options.cc (General_options::finalize): Honor -Bshareable.
9785
9786 2009-01-20  Andreas Schwab  <schwab@suse.de>
9787
9788         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9789         read the value in the contents, since we don't use it.  Use the
9790         template endianness when writing.
9791         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9792
9793 2009-01-19  Andreas Schwab  <schwab@suse.de>
9794
9795         * configure.tgt (powerpc64-*): Fix targ_obj.
9796
9797 2009-01-15  Ian Lance Taylor  <iant@google.com>
9798
9799         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9800         local symbols when stripping all symbols.
9801
9802 2009-01-14  Cary Coutant  <ccoutant@google.com>
9803
9804         * output.cc (Output_reloc): Add explicit instantiations.
9805
9806 2009-01-14  Cary Coutant  <ccoutant@google.com>
9807
9808         * archive.cc (Archive::get_elf_object_for_member): Remove call
9809         to File_read::claim_for_plugin.
9810         * descriptors.cc (Descriptors::open): Remove reference to
9811         is_claimed.
9812         (Descriptors::claim_for_plugin): Remove.
9813         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9814         (Descriptors::is_claimed): Remove.
9815         (claim_descriptor_for_plugin): Remove.
9816         * fileread.cc (File_read::claim_for_plugin): Remove.
9817         * fileread.h (File_read::claim_for_plugin): Remove.
9818         (File_read::descriptor): Reopen descriptor if necessary.
9819         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9820         (Plugin_manager::all_symbols_read): Add task parameter. Change
9821         all callers.
9822         (Plugin_manager::get_input_file): New function.
9823         (Plugin_manager::release_input_file): New function.
9824         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9825         corresponding data member.
9826         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9827         and pass to base constructor. Change all callers.
9828         (get_input_file, release_input_file): New functions.
9829         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9830         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9831         (Plugin_manager::all_symbols_read): Add task parameter.
9832         (Plugin_manager::get_input_file): New function.
9833         (Plugin_manager::release_input_file): New function.
9834         (Plugin_manager::task_): New data member.
9835         (Pluginobj::Pluginobj): Add filesize parameter.
9836         (Pluginobj::filename): New function.
9837         (Pluginobj::descriptor): New function.
9838         (Pluginobj::filesize): New function.
9839         (Pluginobj::filesize_): New data member.
9840         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9841         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9842         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9843
9844         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9845         with archive libraries.
9846         * testsuite/Makefile.in: Regenerate.
9847         * testsuite/plugin_test.c (struct sym_info): New type.
9848         (get_input_file, release_input_file): New static variables.
9849         (onload): Capture new transfer vector entries.
9850         (claim_file_hook): Stop reading at end of file according to filesize.
9851         Factor out parsing of readelf output into separate function.
9852         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9853         APIs and get the source file name from the symbol table.  Convert
9854         source file name to corresponding object file name.  Print info
9855         message when adding new input files.
9856         (parse_readelf_line): New function.
9857         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9858         * testsuite/plugin_test_2.sh: Likewise.
9859         * testsuite/plugin_test_3.sh: Likewise.
9860         * testsuite/plugin_test_4.sh: New test case.
9861
9862 2009-01-07  Ian Lance Taylor  <iant@google.com>
9863
9864         * version.cc (version_string): Bump to 1.8.
9865
9866 2008-12-23  Cary Coutant  <ccoutant@google.com>
9867
9868         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9869         * plugin.cc (Plugin_manager::finish): Rename as
9870         layout_deferred_objects.  Move cleanup to separate function.
9871         (Plugin_manager::cleanup): New function.
9872         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9873         separately.
9874         * plugin.h (Plugin_manager::finish): Rename as
9875         layout_deferred_objects.
9876         (Plugin_manager::cleanup): New function.
9877         (Plugin_manager::cleanup_done): New field.
9878
9879 2008-12-23  Cary Coutant  <ccoutant@google.com>
9880
9881         * plugin.cc (is_visible_from_outside): New function.
9882         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9883         so we don't return "IR only" status for exported symbols or -r links.
9884
9885         * testsuite/Makefile.am (plugin_test_3): New test case.
9886         * testsuite/Makefile.in: Regenerate.
9887         * testsuite/plugin_test_3.sh: New file.
9888
9889 2008-12-22  Cary Coutant  <ccoutant@google.com>
9890
9891         * object.cc (Sized_relobj::layout_section): New function.
9892         (Sized_relobj::do_layout): Defer layout of input sections until after
9893         plugin has provided replacement files.
9894         (Sized_relobj::do_layout_deferred_sections): New function.
9895         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9896         (Relobj::layout_deferred_sections): New function.
9897         (Relobj::do_layout_deferred_sections): New function.
9898         (Sized_relobj::do_layout_deferred_sections): New function.
9899         (Sized_relobj::layout_section): New function.
9900         (Sized_relobj::Deferred_layout): New structure.
9901         (Sized_relobj::deferred_layout_): New field.
9902         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9903         Change all callers.  Layout deferred sections.
9904         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9905         references.
9906         (Plugin_hook::run): Move code from do_plugin_hook inline.
9907         (Plugin_hook::do_plugin_hook): Remove.
9908         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9909         (Plugin_manager::finish): Renamed, was cleanup.
9910         (Plugin_manager::should_defer_layout): New function.
9911         (Plugin_manager::add_deferred_layout_object): New function.
9912         (Plugin_manager::Deferred_layout_list): New type.
9913         (Plugin_manager::deferred_layout_objects_): New field.
9914         (Plugin_hook::do_plugin_hook): Remove.
9915
9916 2008-12-17  Ian Lance Taylor  <iant@google.com>
9917
9918         * options.h (class General_options): Add --no case for
9919         --export-dynamic.
9920
9921 2008-12-16  Cary Coutant  <ccoutant@google.com>
9922
9923         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9924         vector.
9925         (Plugin_manager::claim_file): Create plugin object even if
9926         plugin did not call the add_symbols callback.
9927         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9928         asking for more symbols than were added.
9929         * testsuite/Makefile.am (plugin_test_1): Add test case with
9930         no global symbols.
9931         (empty.syms): New target.
9932         * testsuite/Makefile.in: Regenerate.
9933         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9934         message. Don't call add_symbols if no globals.
9935         (all_symbols_read_hook): Don't provide replacement for empty
9936         claimed file.
9937
9938 2008-12-12  Ian Lance Taylor  <iant@google.com>
9939
9940         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9941         r_type == 0 for a local symbol with r_sym == 0.
9942         (scan_relocatable_relocs): Pass r_sym to
9943         local_non_section_strategy.
9944         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9945         r_sym parameter.
9946
9947         * configure.ac: Update test for TLS descriptors: they are
9948         supported as of glibc 2.9.
9949         * configure: Rebuild.
9950
9951 2008-12-11  Ian Lance Taylor  <iant@google.com>
9952
9953         PR 7091
9954         * target-reloc.h (Default_scan_relocatable_relocs): For each
9955         function, map r_type == 0 to RELOC_DISCARD.
9956
9957 2008-12-10  Cary Coutant  <ccoutant@google.com>
9958
9959         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9960         object to override a kept COMDAT group from a plugin object.
9961
9962 2008-12-09  Ian Lance Taylor  <iant@google.com>
9963
9964         PR 7088
9965         * yyscript.y (file_cmd): Handle INPUT.
9966
9967         * testsuite/initpri1.c: Change all declarations to be full
9968         prototypes by adding void, to avoid compiler warnings.
9969
9970 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9971
9972         * options.cc (General_options::parse_plugin_opt): New.
9973         (General_options::add_plugin): The argument now is just the filename.
9974         (General_options::add_plugin_option): New.
9975         * options.h (plugin_opt): New.
9976         (add_plugin): Change argument name.
9977         (add_plugin_option): New.
9978         * plugin.cc (Plugin::load): Don't parse the plugin option.
9979         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9980         (Plugin::add_option): New.
9981         (Plugin::args_): Change type.
9982         (Plugin::filename_): New.
9983         (Plugin_manager::add_plugin_option): New.
9984         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9985         * testsuite/Makefile.in: Regenerate.
9986
9987 2008-12-05  Cary Coutant  <ccoutant@google.com>
9988
9989         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9990         Handle --strip-lto-sections option.
9991         * options.h (strip_lto_sections): New option.
9992
9993 2008-12-01  Cary Coutant  <ccoutant@google.com>
9994
9995         * plugin.cc (ld_plugin_message): Change format parameter to const.
9996         Fix mismatch between new[] and delete.
9997
9998 2008-11-14  Cary Coutant  <ccoutant@google.com>
9999
10000         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10001         instead of -1U.
10002
10003 2008-11-05  Craig Silverstein  <csilvers@google.com>
10004
10005         * options.cc (General_options::parse_dynamic_list): New function.
10006         * options.h (General_options): New flags dynamic_list,
10007         dynamic_list_data, dynamic_list_cpp_new, and
10008         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10009         (General_options::in_dynamic_list): New function.
10010         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10011         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10012         (Lex::can_continue_name): Likewise.
10013         (yylex): Likewise.
10014         (read_script_file): New parameter script_options.
10015         (read_dynamic_list): New function.
10016         (Script_options::define_dynamic_list): New function.
10017         (dynamic_list_keyword_parsecodes): New variable.
10018         (dynamic_list_keywords): New variable.
10019         * script.h (Script_options::define_dynamic_list): New function
10020         prototype.
10021         (read_dynamic_list): New function prototype.
10022         * symtab.cc (strprefix): New macro.
10023         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10024         dynamic_list_data, dynamic_list_cpp_new, and
10025         dynamic_list_cpp_typeinfo.
10026         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10027         (dynamic_list_expr): New rule.
10028         (dynamic_list_nodes): Likewise.
10029         (dynamic_list_node): Likewise.
10030         * testsuite/Makefile.am (dynamic_list): New test.
10031         * testsuite/Makefile.in: Regenerated.
10032         * testsuite/dynamic_list.t: New file.
10033         * testsuite/dynamic_list.sh: New file.
10034
10035 2008-11-05  Craig Silverstein  <csilvers@google.com>
10036
10037         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10038         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10039         (t11_last): Likewise.
10040         * testsuite/ver_test_6.c (main): Likewise.
10041
10042 2008-10-07  Cary Coutant  <ccoutant@google.com>
10043
10044         * options.c (General_options::finalize): Add check for -static and
10045         -shared.
10046         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10047         is not empty.
10048
10049 2008-10-02  Cary Coutant  <ccoutant@google.com>
10050
10051         * plugin.cc (make_sized_plugin_object): Fix conditional
10052         compilation to work when not all targets are enabled.
10053
10054 2008-09-29  Cary Coutant  <ccoutant@google.com>
10055
10056         * archive.cc (Archive::get_file_and_offset): Use filename instead
10057         of name to get library path.
10058         (Archive::include_member): Unlock external member of a thin archive.
10059
10060         * testsuite/Makefile.am (TEST_AR): New variable.
10061         (thin_archive_test_1): New test.
10062         (thin_archive_test_2): New test.
10063         * testsuite/Makefile.in: Regenerate.
10064         * testsuite/thin_archive_main.cc: New file.
10065         * testsuite/thin_archive_test_1.cc: New file.
10066         * testsuite/thin_archive_test_2.cc: New file.
10067         * testsuite/thin_archive_test_3.cc: New file.
10068         * testsuite/thin_archive_test_4.cc: New file.
10069
10070 2008-09-29  Cary Coutant  <ccoutant@google.com>
10071
10072         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10073         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10074         instead of -1U.
10075         (Sized_relobj::do_finalize_local_symbols): Likewise.
10076         (Sized_relobj::map_to_kept_section): Likewise.
10077         * object.h (Sized_relobj::invalid_address): New constant.
10078         (Sized_relobj::do_output_section_offset): Check for invalid_address
10079         and return -1ULL.
10080         * output.cc (Output_reloc::local_section_offset): Use constant
10081         invalid_address instead of -1U.
10082         (Output_reloc::get_address): Likewise.
10083         (Output_section::output_address): Change -1U to -1ULL.
10084         * output.h (Output_reloc::invalid_address): New constant.
10085         * reloc.cc (Sized_relobj::write_sections): Use constant
10086         invalid_address instead of -1U.
10087         (Sized_relobj::relocate_sections): Likewise.
10088         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10089         values for merge sections.
10090         * target-reloc.h (relocate_for_relocatable): Use constant
10091         invalid_address instead of -1U.
10092
10093 2008-09-19  Cary Coutant  <ccoutant@google.com>
10094
10095         Add plugin functionality for link-time optimization (LTO).
10096         * configure.ac (plugins): Add --enable-plugins option.
10097         * configure: Regenerate.
10098         * config.in: Regenerate.
10099         * Makefile.am (LIBDL): New variable.
10100         (CCFILES): Add plugin.cc.
10101         (HFILES): Add plugin.h.
10102         (ldadd_var): Add LIBDL.
10103         * Makefile.in: Regenerate.
10104
10105         * archive.cc: Include "plugin.h".
10106         (Archive::setup): Don't preread archive symbols when using a plugin.
10107         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10108         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10109         files.
10110         (Archive::include_member): Add symbols from plugin objects.
10111         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10112         * descriptors.cc (Descriptors::open): Check for file descriptors
10113         abandoned by plugins.
10114         (Descriptors::claim_for_plugin): New function.
10115         * descriptors.h (Descriptors::claim_for_plugin): New function.
10116         (Open_descriptor::is_claimed): New field.
10117         (claim_descriptor_for_plugin): New function.
10118         * fileread.cc (File_read::claim_for_plugin): New function.
10119         * fileread.h (File_read::claim_for_plugin): New function.
10120         (File_read::descriptor): New function.
10121         * gold.cc: Include "plugin.h".
10122         (queue_initial_tasks): Add task to call plugin hooks for generating
10123         new object files.
10124         * main.cc: Include "plugin.h".
10125         (main): Load plugin libraries.
10126         * object.h (Pluginobj): Declare.
10127         (Object::pluginobj): New function.
10128         (Object::do_pluginobj): New function.
10129         (Object::set_target): New function.
10130         * options.cc: Include "plugin.h".
10131         (General_options::parse_plugin): New function.
10132         (General_options::General_options): Initialize plugins_ field.
10133         (General_options::add_plugin): New function.
10134         * options.h (Plugin_manager): Declare.
10135         (General_options): Add --plugin option.
10136         (General_options::has_plugins): New function.
10137         (General_options::plugins): New function.
10138         (General_options::add_plugin): New function.
10139         (General_options::plugins_): New field.
10140         * plugin.cc: New file.
10141         * plugin.h: New file.
10142         * readsyms.cc: Include "plugin.h".
10143         (Read_symbols::do_read_symbols): Check for archive before checking
10144         for ELF file.  Call plugin hooks to claim files.
10145         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10146         from a real object file; force override when processing replacement
10147         files.
10148         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10149         (Symbol::init_base_object): Likewise.
10150         (Symbol::init_base_output_data): Likewise.
10151         (Symbol::init_base_output_segment): Likewise.
10152         (Symbol::init_base_constant): Likewise.
10153         (Symbol::init_base_undefined): Likewise.
10154         (Symbol::output_section): Assert that object is not a plugin.
10155         (Symbol_table::add_from_pluginobj): New function.
10156         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10157         undefined.
10158         (Symbol_table::sized_write_globals): Likewise.
10159         (Symbol_table::add_from_pluginobj): Instantiate template.
10160         * symtab.h (Sized_pluginobj): Declare.
10161         (Symbol::in_real_elf): New function.
10162         (Symbol::set_in_real_elf): New function.
10163         (Symbol::in_real_elf_): New field.
10164         (Symbol_table::add_from_pluginobj): New function.
10165
10166         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10167         (LIBDL): New variable.
10168         (LDADD): Add LIBDL.
10169         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10170         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10171         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10172         (MOSTLYCLEANFILES): Likewise.
10173         * testsuite/Makefile.in: Regenerate.
10174         * testsuite/plugin_test.c: New file.
10175         * testsuite/plugin_test_1.sh: New file.
10176         * testsuite/plugin_test_2.sh: New file.
10177
10178 2008-09-16  Ian Lance Taylor  <iant@google.com>
10179
10180         * target-reloc.h (relocate_section): Check whether a symbol is
10181         defined by the ABI before reporting an undefined symbol error.
10182         * target.h (Target::is_defined_by_abi): Make parameter const.
10183         (Target::do_is_defined_by_abi): Likewise.
10184         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10185         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10186         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10187         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10188         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10189         * testsuite/Makefile.in: Rebuild.
10190
10191         * fileread.cc (make_view): Add casts to avoid warning.
10192
10193 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10194
10195         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10196         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10197
10198 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10199
10200         * options.h (General_options::output_is_executable): New.
10201         (General_options::output_is_pie): New.
10202         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10203         for shared libraries.
10204         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10205
10206 2008-09-11  Chris Demetriou  <cgd@google.com>
10207
10208         * options.h (origin): New -z option.
10209         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10210         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10211         in DT_FLAGS_1.
10212
10213 2008-09-05  Cary Coutant  <ccoutant@google.com>
10214
10215         * fileread.cc (File_read::make_view): Add check for attempt to map
10216         beyond end of file.
10217
10218 2008-09-05  Cary Coutant  <ccoutant@google.com>
10219
10220         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10221         explicit instantiations.
10222
10223 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10224
10225         PR gold/6858
10226         * options.cc (General_options::finalize): Allow undefined symbols
10227         in shlibs if linking -shared.
10228
10229         PR gold/6859
10230         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10231         symbols as not needing a dynsym entry.
10232
10233 2008-08-20  Craig Silverstein  <csilvers@google.com>
10234
10235         * fileread.cc (File_read::open): Do not lock the file unless it
10236         was successfully opened.
10237
10238 2008-08-14  Cary Coutant  <ccoutant@google.com>
10239
10240         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10241         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10242         * testsuite/tls_test.cc (struct int128): 128-bit struct
10243         for testing TLS relocs with non-zero addend.
10244         (v12): New TLS variable.
10245         (t12): New test.
10246         (t_last): Add check for v12.
10247         * testsuite/tls_test.h (t12): New function.
10248         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10249
10250 2008-08-13  Ian Lance Taylor  <iant@google.com>
10251
10252         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10253         set tls_segment_ or relro_segment_.
10254         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10255         when appropriate.
10256         * output.h (Output_section::clear_is_relro): New function.
10257         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10258         sections specially even when output_data_ is empty.
10259         (Output_segment::maximum_alignment): When first section is relro,
10260         only force alignment for PT_LOAD segments.
10261         * script.cc (script_data_segment_align): New function.
10262         (script_data_segment_relro_end): New function.
10263         * script-c.h (script_data_segment_align): Declare.
10264         (script_data_segment_relro_end): Declare.
10265         * script-sections.h (class Script_sections): Declare
10266         data_segment_align and data_segment_relro_end.  Add fields
10267         segment_align_index_ and saw_relro_end_.
10268         * script-sections.cc (class Sections_element): Add set_is_relro
10269         virtual function.  Add new bool* parameter to place_orphan_here.
10270         Add get_output_section virtual function.
10271         (class Output_section_definition): Add set_is_relro.  Add new
10272         bool* parameter to place_orphan_here.  Add get_output_section.
10273         Add is_relro_ field.
10274         (Output_section_definition::Output_section_definition): Initialize
10275         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10276         and is_relro_ fields.
10277         (Output_section_definition::place_orphan_here): Add is_relro
10278         parameter.
10279         (Output_section_definition::set_section_addresses): Set relro for
10280         output section.
10281         (Output_section_definition::alternate_constraint): Likewise.
10282         (class Orphan_output_section): Add new bool* parameter to
10283         place_orphan_here.  Add get_output_section.
10284         (Orphan_output_section::place_orphan_here): Add is_relro
10285         parameter.
10286         (Script_sections::Script_sections): Initialize
10287         data_segment_align_index_ and saw_relro_end_.
10288         (Script_sections::data_segment_align): New function.
10289         (Script_sections::data_segment_relro_end): New function.
10290         (Script_sections::place_orphan): Set or clear is_relro.
10291         (Script_sections::set_section_addresses): Force alignment of first
10292         TLS section.
10293         * yyscript.y (exp): Call script_data_segment_align and
10294         script_data_segment_relro_end.
10295         * testsuite/relro_script_test.t: New file.
10296         * testsuite/relro_test.cc (using_script): Declare.
10297         (t1, t2): Test using_script.
10298         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10299         (relro_script_test_SOURCES): Define.
10300         (relro_script_test_DEPENDENCIES): Define.
10301         (relro_script_test_LDFLAGS): Define.
10302         (relro_script_test_LDADD): Define.
10303         (relro_script_test.so): New target.
10304         * testsuite/Makefile.in: Rebuild.
10305
10306 2008-08-06  Cary Coutant <ccoutant@google.com>
10307
10308         * archive.cc (Archive::total_archives, Archive::total_members)
10309         (Archive::total_members_loaded): New variables.
10310         (Archive::setup): Add parameter.  Add option to preread
10311         archive symbols.
10312         (Archive::read_armap): Add counter.
10313         (Archive::get_file_and_offset): New function.
10314         (Archive::get_elf_object_for_member): New function.
10315         (Archive::read_all_symbols): New function.
10316         (Archive::read_symbols): New function.
10317         (Archive::add_symbols): Add counters.
10318         (Archive::include_all_members): Use armap to find members if it's
10319         already built.
10320         (Archive::include_member): Skip reading symbols if already read.
10321         Factored code into Archive::get_file_and_offset and
10322         Archive::get_elf_object_for_member.  Changed call to
10323         Mapfile::report_include_archive_member.
10324         (Archive::print_stats): New function.
10325         * archive.h: Declare Object and Read_symbols_data classes.
10326         (Archive::Archive): Add initializers for new members.
10327         (Archive::setup): Add parameter.
10328         (Archive::print_stats): New function.
10329         (Archive::total_archives, Archive::total_members)
10330         (Archive::total_members_loaded): New variables.
10331         (Archive::get_file_and_offset): New function.
10332         (Archive::get_elf_object_for_member): New function.
10333         (Archive::read_all_symbols): New function.
10334         (Archive::read_symbols): New function.
10335         (Archive::Archive_member): New class.
10336         (Archive::members_): New member.
10337         (Archive::num_members_): New member.
10338         * main.cc: Include archive.h.
10339         (main): Call Archive::print_stats.
10340         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10341         archive parameter; member_name is now the fully-decorated name.
10342         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10343         * options.h: (General_options): Add --preread-archive-symbols option.
10344         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10345         Archive::setup.
10346
10347 2008-08-04  Ian Lance Taylor  <iant@google.com>
10348
10349         * symtab.h (Symbol::use_plt_offset): New function.
10350         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10351         * powerpc.cc (Relocate::relocate): Likewise.
10352         * sparc.cc (Relocate::relocate): Likewise.
10353         * x86_64.cc (Relocate::relocate): Likewise.
10354         * testsuite/weak_plt.sh: New test.
10355         * testsuite/weak_plt_main.cc: New test.
10356         * testsuite/weak_plt_shared.cc: New test.
10357         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10358         (check_PROGRAMS): Add weak_plt.
10359         (check_DATA): Add weak_plt_shared.so.
10360         (weak_plt_main_pic.o, weak_plt): New targets.
10361         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10362         * testsuite/Makefile.in: Rebuild.
10363
10364         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10365         gcctestdir/ld.
10366         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10367         * testsuite/Makefile.in: Rebuild.
10368
10369 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10370
10371         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10372         * Makefile.in: Regenerate.
10373         * po/POTFILES.in: Regenerate.
10374
10375 2008-07-29  Ian Lance Taylor  <iant@google.com>
10376
10377         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10378         symbols before other symbols.
10379         * testsuite/script_test_2.cc (test_addr): Declare.
10380         (test_addr_alias): Declare.
10381         (main): Check that test_addr and test_addr_alias have the right
10382         values.
10383         * testsuite/script_test_2.t: Define test_addr_alias and
10384         test_addr.
10385
10386 2008-07-24  Ian Lance Taylor  <iant@google.com>
10387
10388         PR 5990
10389         * descriptors.cc: New file.
10390         * descriptors.h: New file.
10391         * gold-threads.h (class Hold_optional_lock): New class.
10392         * fileread.cc: Include "descriptors.h".
10393         (File_read::~File_read): Release descriptor rather than closing
10394         it.
10395         (File_read::open) [file]: Call open_descriptor rather than open.
10396         Set is_descriptor_opened_.
10397         (File_read::open) [memory]: Assert that descriptor is not open.
10398         (File_read::reopen_descriptor): New function.
10399         (File_read::release): Release descriptor.
10400         (File_read::do_read): Make non-const.  Reopen descriptor.
10401         (File_read::read): Make non-const.
10402         (File_read::make_view): Reopen descriptor.
10403         (File_read::do_readv): Likewise.
10404         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10405         Update declarations.
10406         * layout.cc: Include "descriptors.h".
10407         (Layout::create_build_id): Use open_descriptor rather than open.
10408         * output.cc: Include "descriptors.h".
10409         (Output_file::open): Use open_descriptor rather than open.
10410         * archive.cc (Archive::const_iterator): Change Archive to be
10411         non-const.
10412         (Archive::begin, Archive::end): Make non-const.
10413         (Archive::count_members): Likewise.
10414         * archive.h (class Archive): Update declarations.
10415         * object.h (Object::read): Make non-const.
10416         * Makefile.am (CCFILES): Add descriptors.cc.
10417         (HFILES): Add descriptors.h.
10418         * Makefile.in: Rebuild.
10419
10420         PR 6716
10421         * gold.h: Always include <clocale>.  Add Solaris workarounds
10422         following code in binutils/sysdep.h.
10423
10424         PR 6048
10425         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10426         this->eh_frame_hdr_ is NULL before using it.
10427
10428         * dynobj.cc (Versions::Versions): Update comment.
10429
10430         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10431         the base version name.
10432
10433         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10434         array size plus one.
10435         (Stringpool_template::set_string_offsets): Subtract one from key
10436         before using it as an array index.
10437         (Stringpool_template::get_offset_with_length): Likewise.
10438         (Stringpool_template::write_to_buffer): Likewise.
10439         * stringpool.h (Stringpool_template::get_offset_from_key):
10440         Likewise.
10441
10442 2008-07-23  Ian Lance Taylor  <iant@google.com>
10443
10444         PR 6658
10445         * object.h (Merged_symbol_value::value): Do our best to handle a
10446         negative addend.
10447
10448         PR 6647
10449         * script.cc (Version_script_info::get_versions): Don't add empty
10450         version tag to return value.
10451         (Version_script_info::get_symbol_version_helper): Change return
10452         type to bool.  Add pversion parameter.  Change all callers.
10453         (script_register_vers_node): Don't require a non-NULL tag.
10454         * script.h (class Version_script_info): Update declarations.
10455         (Version_script_info::get_symbol_version): Change return type to
10456         bool.  Add version parameter.  Change all callers.
10457         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10458         handling.  Handle an empty version from a version script.
10459         (Symbol_table::define_special_symbol): Likewise.
10460         * testsuite/ver_test_10.script: New file.
10461         * testsuite/ver_test_10.sh: New file.
10462         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10463         (check_DATA): Add ver_test_10.syms.
10464         (ver_test_10.syms, ver_test_10.so): New target.
10465         * testsuite/Makefile.in: Rebuild.
10466
10467 2008-07-23  Simon Baldwin  <simonb@google.com>
10468
10469         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10470         to zero for undefined symbols from dynamic libraries.
10471
10472 2008-07-23  Ian Lance Taylor  <iant@google.com>
10473
10474         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10475         Change all callers.
10476         * symtab.h (class Symbol_table): Update declaration.
10477         * testsuite/ver_test_9.cc: New file.
10478         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10479         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10480         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10481         (ver_test_9.so, ver_test_9.o): New targets.
10482         * testsuite/Makefile.in: Rebuild.
10483
10484 2008-07-22  Ian Lance Taylor  <iant@google.com>
10485
10486         * options.h (class General_options): Define --check-sections.
10487         * layout.cc (Layout::set_segment_offsets): Handle
10488         --check-sections.
10489
10490         * options.h (class General_options): Define -n/--nmagic and
10491         -N/--omagic.
10492         * options.cc (General_options::finalize): For -n/--nmagic or
10493         -N/--omagic, set -static.
10494         * layout.cc (Layout::attach_allocated_section_to_segment): If
10495         -N/--omagic, don't put read-only and read-write sections in
10496         different segments.
10497         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10498         finding a read-only segment.
10499         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10500         don't set the minimum segment alignment to the common page size,
10501         and don't set the file offset to the address modulo the page size.
10502         * script-sections.cc (Script_sections::create_segments): If
10503         -n/--omagic, don't put read-only and read-write sections in
10504         different segments.
10505
10506         * cref.cc: New file.
10507         * cref.h: New file.
10508         * options.h (class General_options): Add --print-symbol-counts.
10509         * main.cc (main): Issue defined symbol report if requested.
10510         * archive.cc (Archive::interpret_header): Make into a const member
10511         function.
10512         (Archive::add_symbols): Call Input_objects::archive_start and
10513         archive_stop.
10514         (Archive::const_iterator): Define new class.
10515         (Archive::begin, Archive::end): New functions.
10516         (Archive::include_all_members): Rewrite to use iterator.
10517         (Archive::count_members): New function.
10518         * archive.h (class Archive): Update declarations.
10519         (Archive::filename): New function.
10520         * object.cc: Include "cref.h".
10521         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10522         (Sized_relobj::do_get_global_symbol_counts): New function.
10523         (Input_objects::add_object): Add object to cross-referencer.
10524         (Input_objects::archive_start): New function.
10525         (Input_objects::archive_stop): New function.
10526         (Input_objects::print_symbol_counts): New function.
10527         * object.h: Declare Cref and Archive.
10528         (Object::get_global_symbol_counts): New function.
10529         (Object::do_get_global_symbol_counts): New pure virtual function.
10530         (class Sized_relobj): Add defined_count_ field.  Update
10531         declarations.
10532         (class Input_objects): Add cref_ field.  Update constructor.
10533         Update declarations.
10534         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10535         defined_count_.
10536         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10537         symbol counts.
10538         (Sized_dynobj::do_get_global_symbol_counts): New function.
10539         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10540         defined_count_.  Update declarations.  Define Symbols typedef.
10541         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10542         parameter.  Change all callers.
10543         (Symbol_table::add_from_dynobj): Add sympointers and defined
10544         parameters.  Change all callers.
10545         * symtab.h (class Symbol_table): Update declarations.
10546         * Makefile.am (CCFILES): Add cref.cc.
10547         (HFILES): Add cref.h.
10548         * Makefile.in: Rebuild.
10549
10550 2008-07-22  Simon Baldwin  <simonb@google.com>
10551
10552         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10553         to zero when writing undefined symbols.
10554
10555 2008-07-22  Ian Lance Taylor  <iant@google.com>
10556
10557         * output.cc (Output_section::add_input_section): Don't try to
10558         merge empty merge sections.
10559
10560 2008-07-21  Craig Silverstein  <csilvers@google.com>
10561
10562         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10563         Include symbol version in error message.
10564
10565 2008-07-20  Chris Demetriou  <cgd@google.com>
10566
10567         * configure.ac (gold_cv_c_random_seed): New configured variable.
10568         (RANDOM_SEED_CFLAGS): New substituted variable.
10569         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10570         * configure: Rebuild.
10571         * Makefile.in: Likewise.
10572         * testsuite/Makefile.in: Likewise.
10573
10574 2008-07-18  Ian Lance Taylor  <iant@google.com>
10575
10576         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10577         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10578         * testsuite/ver_test_main.cc (main): Call t4.
10579         (t4, t4_2a): Define.
10580         * testsuite/ver_test_2.cc (t4_2): Define.
10581         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10582         * testsuite/ver_test_4.cc (t4_2a): Define.
10583         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10584         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10585
10586 2008-07-17  Ian Lance Taylor  <iant@google.com>
10587
10588         * dynobj.cc (Versions::add_def): If we give an error about a
10589         missing version, go ahead and create the version anyhow.
10590
10591 2008-07-10  Ian Lance Taylor  <iant@google.com>
10592
10593         Handle output sections with more than 0x7fffffff bytes.
10594         * object.h (class Relobj): Change map_to_output_ to
10595         output_sections_, and just keep a section pointer.  Change all
10596         uses.  Move comdat group support to Sized_relobj.
10597         (Relobj::is_section_specially_mapped): Remove.
10598         (Relobj::output_section): Remove poff parameter.  Change all
10599         callers.
10600         (Relobj::output_section_offset): New function.
10601         (Relobj::set_section_offset): Rewrite.
10602         (Relobj::map_to_output): Remove.
10603         (Relobj::output_sections): New function.
10604         (Relobj::do_output_section_offset): New pure virtual function.
10605         (Relobj::do_set_section_offset): Likewise.
10606         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10607         group support from Relobj.  Update declarations.
10608         (Sized_relobj::get_output_section_offset): New function.
10609         (Sized_relobj::do_output_section_offset): New function.
10610         (Sized_relobj::do_set_section_offset): New function.
10611         * object.cc (Relobj::output_section_address): Remove.
10612         (Sized_relobj::Sized_relobj): Initialize new fields.
10613         (Sized_relobj::include_section_group): Cast find_kept_object to
10614         Sized_relobj.
10615         (Sized_relobj::include_linkonce_section): Likewise.
10616         (Sized_relobj::do_layout): Use separate arrays for output section
10617         and output offset.
10618         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10619         output_sections.
10620         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10621         output_sections and section_offsets.
10622         (Sized_relobj::write_local_symbols): Likewise.
10623         (map_to_kept_section): Compute output address directly.
10624         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10625         output_sections and section_offsets.
10626         (Sized_relobj::write_sections): Likewise.
10627         (Sized_relobj::relocate_sections): Likewise.
10628         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10629         * output.h (class Output_reloc): Update declarations.  Change
10630         u2_.relobj to Sized_relobj*.
10631         (class Output_data_reloc): Change add functions to use
10632         Sized_relobj*.
10633         * output.cc (Output_reloc::Output_reloc): Change relobj to
10634         Sized_relobj*.
10635         (Output_reloc::local_section_offset): Change return type to
10636         Elf_Addr.  Use get_output_section_offset.
10637         (Output_reloc::get_address): Likewise.
10638         (Output_section::is_input_address_mapped): Don't call
10639         is_section_specially_mapped.
10640         (Output_section::output_offset): Likewise.
10641         (Output_section::output_address): Likewise.
10642         (Output_section::starting_output_address): Likewise.
10643         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10644         parameter to Sized_relobj*.
10645         (Copy_relocs::need_copy_reloc): Likewise.
10646         (Copy_relocs::save): Likewise.
10647         * copy-relocs.h (class Copy_relocs): Update declarations.
10648         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10649         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10650         * target-reloc.h (relocate_for_relocatable): Change
10651         offset_in_output_section type to Elf_Addr.  Change code that uses
10652         it as well.
10653         * layout.cc (Layout::layout): Always set *off.
10654         * mapfile.cc (Mapfile::print_input_section): Use
10655         output_section_offset.
10656         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10657         Sized_relobj*.
10658         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10659         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10660         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10661
10662 2008-07-03  Ian Lance Taylor  <iant@google.com>
10663
10664         * layout.cc (Layout::include_section): Do not discard unrecognized
10665         SHT_STRTAB sections.
10666
10667 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10668
10669         * script.cc (Lex::can_continue_name): Make '?' allowable in
10670         version-script names.
10671         * testsuite/version_script.map: Change glob pattern to use '?'
10672
10673 2008-06-30  Manish Singh  <yosh@gimp.org>
10674
10675         PR 6585
10676         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10677         Correct typo.
10678
10679 2008-06-30  Ian Lance Taylor  <iant@google.com>
10680
10681         PR 6660
10682         PR 6682
10683         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10684         versions]: Don't try to read the value in the contents, since we
10685         don't use it.  Use the template endianness when writing.
10686
10687 2008-06-25  Cary Coutant  <ccoutant@google.com>
10688
10689         * fileread.cc (File_read::make_view): Assert on zero-length view.
10690         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10691         symbol table when there are no symbols to read.
10692
10693 2008-06-23  Craig Silverstein  <csilvers@google.com>
10694
10695         * version.cc (version_string): Bump to 1.7
10696
10697 2008-06-18  Craig Silverstein  <csilvers@google.com>
10698
10699         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10700         constant 0xFFFF to type Valtype.
10701         (Powerpc_relocate_functions::rel16_ha): Likewise.
10702
10703 2008-06-17  Ian Lance Taylor  <iant@google.com>
10704
10705         * output.h (Output_section::Input_section): Initialize p2align_ to
10706         zero for Output_section_data constructors.
10707         (Output_section::Input_section::addralign): If not an input
10708         section, return the alignment of the Output_section_data.
10709         * testsuite/copy_test.cc: New file.
10710         * testsuite/copy_test_1.cc: New file.
10711         * testsuite/copy_test_2.cc: New file.
10712         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10713         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10714         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10715         (copy_test_1_pic.o, copy_test_1.so): New targets.
10716         (copy_test_2_pic.o, copy_test_2.so): New targets.
10717         * testsuite/Makefile.in: Rebuild.
10718
10719         * script-sections.cc (Script_sections::place_orphan): Initialize
10720         local variable exact.
10721
10722 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10723
10724         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10725
10726 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10727             David S. Miller  <davem@davemloft.net>
10728
10729         * powerpc.cc: New file.
10730         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10731         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10732         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10733         * Makefile.in: Rebuild.
10734
10735 2008-06-09  Ian Lance Taylor  <iant@google.com>
10736
10737         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10738         <exception>.
10739         (throwing, orig_terminate): New static variables.
10740         (terminate_handler): New static function.
10741         (t2): Set terminate handler.
10742
10743 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10744
10745         PR 6584
10746         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10747         alignment.
10748
10749 2008-05-30  Cary Coutant  <ccoutant@google.com>
10750
10751         * archive.cc (Archive::include_all_members) Correct to step
10752         over symbol table and extended name table in thin archives.
10753
10754 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10755
10756         PR 6407
10757         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10758         calculation.
10759
10760 2008-05-28  Caleb Howe  <cshowe@google.com>
10761
10762         * reduced_debug_output.cc: New file.
10763         * reduced_debug_output.h: New file.
10764         * options.h (class General_options): Add --strip-debug-non-line.
10765         * options.cc (General_options::finalize): Add strip_debug_non_line
10766         to the strip heirarchy.
10767         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10768         fields.
10769         * layout.cc: Include "reduced_debug_output.h".
10770         (Layout::Layout): Initialize new fields.
10771         (line_only_debug_sections): New static array.
10772         (is_lines_only_debug_sections): New static inline function.
10773         (Layout::include_section): Handle --strip-debug-non-line.
10774         (Layout::make_output_section): If --strip-debug-non-line, build
10775         new output sections for .debug_abbrev and .debug_info.
10776         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10777         gold.  Warn about possible overflow.
10778         (read_signed_LEB_128): Likewise.
10779         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10780         (read_signed_LEB_128): Declare.
10781         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10782         (HFILES): Add reduced_debug_output.h.
10783         * Makefile.in: Rebuild.
10784
10785 2008-05-21  Ian Lance Taylor  <iant@google.com>
10786
10787         * mapfile.cc: New file.
10788         * mapfile.h: New file.
10789         * options.h (class General_options): Add -M/--print-map and -Map.
10790         * options.cc (General_options::finalize): Make -M equivalent to
10791         -Map -.
10792         * main.cc: Include <cstdio> and "mapfile.h".
10793         (main): Open mapfile if requested.
10794         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10795         constructor.  Change caller.
10796         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10797         (queue_middle_tasks): Likewise.
10798         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10799         declarations.
10800         * archive.cc: Include "mapfile.h".
10801         (Archive::add_symbols): Add mapfile parameter.  Change all
10802         callers.  Pass mapfile, symbol, and reason to include_member.
10803         (Archive::include_all_members): Add mapfile parameter.  Change all
10804         callers.
10805         (Archive::include_member): Add mapfile, sym, and why parameters.
10806         Change all callers.  Report inclusion to map file.
10807         * archive.h: Include "fileread.h".
10808         (class Archive): Update declarations.
10809         (Archive::file): New const method.
10810         (class Add_archive_symbols): Add mapfile_ field.  Update
10811         constructor.  Change all callers.
10812         * readsyms.h (class Read_symbols): Likewise.
10813         (class Finish_group): Likewise.
10814         (class Read_script): Likewise.
10815         * common.cc: Include "mapfile.h".
10816         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10817         all callers.
10818         (Symbol_table::do_allocate_commons): Likewise.
10819         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10820         symbol allocation to mapfile.
10821         * common.h (class Allocate_commons_task): Add mapfile_ field.
10822         Update constructor.  Change all callers.
10823         * symtab.h (class Symbol_table): Update declarations.
10824         * layout.cc: Include "mapfile.h".
10825         (Layout_task_runner::run): Print information to mapfile.
10826         (Layout::create_gold_note): Change Output_data_fixed_space to
10827         Output_data_zero_fill.
10828         (Layout::create_build_id): Likewise.
10829         (Layout::print_to_mapfile): New function.
10830         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10831         constructor.  Change caller.
10832         (class Layout): Declare print_to_mapfile.
10833         * output.cc (Output_section::Input_section::print_to_mapfile): New
10834         function.
10835         (Output_section::add_input_section): If producing a map, always
10836         add to input_sections_ list.
10837         (Output_section::do_print_to_mapfile): New function.
10838         (Output_segment::print_sections_to_mapfile): New function.
10839         (Output_segment::print_section_list_to_mapfile): New function.
10840         * output.h: Include "mapfile.h".
10841         (Output_data::print_to_mapfile): New function.
10842         (Output_data::do_print_to_mapfile): New virtual function.
10843         (Output_segment_headers::do_print_to_mapfile): New function.
10844         (Output_file_header::do_print_to_mapfile): New function.
10845         (Output_data_const::do_print_to_mapfile): New function.
10846         (class Output_data_const_buffer): Add map_name_ field.  Update
10847         constructor.  Change all callers.  Add do_print_to_mapfile
10848         function.
10849         (class Output_data_fixed_space): Likewise.
10850         (class Output_data_space): Likewise.
10851         (class Output_data_zero_fill): New class.
10852         (Output_data_strtab::do_print_to_mapfile): New function.
10853         (Output_data_reloc_base::do_print_to_mapfile): New function.
10854         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10855         (Output_data_group::do_print_to_mapfile): New function.
10856         (Output_data_got::do_print_to_mapfile): New function.
10857         (Output_data_dynamic::do_print_to_mapfile): New function.
10858         (Output_symtab_xindex::do_print_to_mapfile): New function.
10859         (class Output_section): Declare do_print_to_mapflie.  Declare
10860         print_to_mapfile in Input_section.
10861         (class Output_segment): Declare new functions.
10862         * object.h (Sized_relobj::symbol_count): New function.
10863         * script-sections.cc
10864         (Output_section_element_dot_assignment::set_section_addresses):
10865         Change Output_data_fixed_space to Output_data_zero_fill.
10866         (Output_data_expression::do_print_to_mapfile): New function.
10867         * script.cc (read_input_script): Add mapfile parameter.  Change
10868         all callers.
10869         * script.h (read_input_script): Update declaration.
10870         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10871         (Eh_frame::do_print_to_mapfile): New function.
10872         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10873         (Output_merge_string::do_print_to_mapfile): New function.
10874         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10875         function.
10876         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10877         function.
10878         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10879         function.
10880         * Makefile.am (CCFILES): Add mapfile.cc.
10881         (HFILES): Add mapfile.h.
10882         * Makefile.in: Rebuild.
10883
10884 2008-05-19  Ian Lance Taylor  <iant@google.com>
10885
10886         * options.h (class General_options): Add -z relro.
10887         * layout.cc (Layout::Layout): Initialize relro_segment_.
10888         (Layout::add_output_section_data): Return the output section.
10889         (Layout::make_output_section): Rcognize relro sections and mark
10890         them appropriately.
10891         (Layout::attach_allocated_section_to_segment): Put relro sections
10892         in a PT_GNU_RELRO segment.
10893         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10894         section as relro.
10895         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10896         PT_TLS segments.
10897         (Layout::linkonce_mapping): Map d.rel.ro.local to
10898         .data.rel.ro.local.
10899         (Layout::output_section_name): Us .data.rel.ro.local for any
10900         section which begins with that.
10901         * layout.h (class Layout): Update add_output_section_data
10902         declaration.  Add relro_segment_ field.
10903         * output.cc (Output_section::Output_section): Initialize is_relro_
10904         and is_relro_local_ fields.
10905         (Output_segment::add_output_section): Group relro sections.
10906         (Output_segment::is_first_section_relro): New function.
10907         (Output_segment::maximum_alignment): If there is a relro section,
10908         align the segment to the common page size.
10909         (Output_segment::set_section_addresses): Track whether we are
10910         looking at relro sections.  If the last section is a relro
10911         section, align to the common page size.
10912         (Output_segment::set_section_list_addresses): Add in_relro
10913         parameter.  Change all callers.  Align to the page size when
10914         moving from relro to non-relro section.
10915         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10916         segment.
10917         * output.h (class Output_section): Add is_relro_ and
10918         is_relro_local_ fields.
10919         (Output_section::is_relro): New function.
10920         (Output_section::set_is_relro): New function.
10921         (Output_section::is_relro_local): New function.
10922         (Output_section::set_is_relro_local): New function.
10923         (class Output_segment): Update declarations.
10924         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10925         * sparc.cc (Target_sparc::got_section): Likewise.
10926         * x86_64.cc (Target_x86_64::got_section): Likewise.
10927         * testsuite/relro_test_main.cc: New file.
10928         * testsuite/relro_test.cc: New file.
10929         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10930         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10931         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10932         (relro_test.so, relro_test_pic.o): New targets.
10933         * testsuite/Makefile.in: Rebuild.
10934
10935 2008-05-16  Ian Lance Taylor  <iant@google.com>
10936
10937         * output.cc (Output_segment::add_output_section): Remove front
10938         parameter.
10939         * output.h (class Output_segment): Remove
10940         add_initial_output_section and overloaded add_output_section.
10941         Update declaration of remaining add_output_section.
10942         * layout.cc (Layout::create_interp): Call add_output_section
10943         rather than add_initial_output_section.
10944         (Layout::finish_dynamic_section): Likewise.
10945
10946         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10947         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10948         know the dynamic type.
10949         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10950         field.  Initialize it in constructor.
10951         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10952         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10953         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10954         reloc.
10955
10956         * output.cc (Output_reloc::get_address): Change return type to
10957         Elf_Addr.
10958         * output.h (class Output_reloc): Update get_address declaration.
10959         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10960         for section addresses.
10961
10962 2008-05-09  Ian Lance Taylor  <iant@google.com>
10963
10964         PR 6493
10965         * gold.cc (gold_nomem): Use return value of write.
10966
10967 2008-05-08  Ian Lance Taylor  <iant@google.com>
10968
10969         * symtab.c (Symbol::init_base_output_data): Add version
10970         parameter.  Change all callers.
10971         (Symbol::init_base_output_segment): Likewise.
10972         (Symbol::init_base_constant): Likewise.
10973         (Symbol::init_base_undefined): Likewise.
10974         (Sized_symbol::init_output_data): Likewise.
10975         (Sized_symbol::init_output_segment): Likewise.
10976         (Sized_symbol::init_constant): Likewise.
10977         (Sized_symbol::init_undefined): Likewise.
10978         (Symbol_table::do_define_in_output_data): If the new symbol has a
10979         version, mark it as the default.
10980         (Symbol_table::do_define_in_output_segment): Likewise.
10981         (Symbol_table::do_define_as_constant): Likewise.
10982         * symtab.h (class Symbol): Update declarations.
10983         (class Sized_symbol): Likewise.
10984         * resolve.cc (Symbol::override_version): New function.
10985         (Symbol::override_base): Call override_version.
10986         (Symbol::override_base_with_special): Likewise.
10987         * testsuite/ver_script_8.script: New file.
10988         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10989         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10990         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10991         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10992
10993 2008-05-06  Ian Lance Taylor  <iant@google.com>
10994
10995         PR 6049
10996         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10997         functions.
10998         (class General_options): Remove existing --undefined, and add
10999         --no-undefined instead.  Add new --undefined as synonym for -u.
11000         * archive.cc (Archive::add_symbols): Check whether symbol was
11001         named with -u.
11002         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11003         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11004         all uses.  Add IS_UNDEFINED.  Update declarations to split
11005         different versions of init_base.  Declare init_base_undefined.
11006         (Symbol::is_defined): Handle IS_UNDEFINED.
11007         (Symbol::is_undefined): Likewise.
11008         (Symbol::is_weak_undefined): Call is_undefined.
11009         (Symbol::is_absolute): Handle IS_CONSTANT.
11010         (class Sized_symbol): Update declarations to split different
11011         versions of init.  Declare init_undefined.
11012         (class Symbol_table): Declare new functions.
11013         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11014         Change all callers.
11015         (Symbol::init_base_output_data): Likewise.
11016         (Symbol::init_base_output_segment): Likewise.
11017         (Symbol::init_base_constant): Likewise.
11018         (Symbol::init_base_undefined): New function.
11019         (Sized_symbol::init_object): Rename from init.  Change all
11020         callers.
11021         (Sized_symbol::init_output_data): Likewise.
11022         (Sized_symbol::init_output_segment): Likewise.
11023         (Sized_symbol::init_constant): Likewise.
11024         (Sized_symbol::init_undefined): New function.
11025         (Symbol_table::add_undefined_symbols_from_command_line): New
11026         function.
11027         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11028         function.
11029         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11030         (Symbol::output_section): Likewise.
11031         (Symbol::set_output_section): Likewise.
11032         (Symbol_table::sized_finalize_symbol): Likewise.
11033         (Symbol_table::sized_write_globals): Likewise.
11034         * resolve.cc (Symbol_table::should_override): Likewise.
11035         (Symbol::override_base_with_special): Likewise.
11036
11037         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11038         symbol, change it to have default visibility.
11039         * testsuite/protected_1.cc: New file.
11040         * testsuite/protected_2.cc: New file.
11041         * testsuite/protected_3.cc: New file.
11042         * testsuite/protected_main_1.cc: New file.
11043         * testsuite/protected_main_2.cc: New file.
11044         * testsuite/protected_main_3.cc: New file.
11045         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11046         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11047         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11048         (protected_1.so): New target.
11049         (protected_1_pic.o, protected_2_pic.o): New targets.
11050         (protected_3_pic.o): New target.
11051         (check_PROGRAMS): Add protected_2.
11052         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11053         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11054         * testsuite/Makefile.in: Rebuild.
11055
11056         * options.h (DEFINE_var): Add set_user_set_##varname__.
11057         (DEFINE_bool_alias): New macro.
11058         (class General_options): Define -Bstatic using DEFINE_bool_alias
11059         rather than DEFINE_special.  Add --undefined as an alias for -z
11060         defs.
11061         * options.cc (General_options::parse_Bstatic): Remove.
11062
11063         * options.h (class General_options): Add --fatal-warnings.
11064         * main.cc (main): Implement --fatal-warnings.
11065         * errors.h (Errors::warning_count): New function.
11066
11067         * options.h (class General_options): Add -Bsymbolic-functions.
11068         * symtab.h (Symbol::is_preemptible): Check for
11069         -Bsymbolic-functions.
11070
11071 2008-05-05  Ian Lance Taylor  <iant@google.com>
11072
11073         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11074         as noVARNAME rather than no-VARNAME.
11075         (class General_options): Add option -z combreloc.
11076         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11077         get_address.
11078         (Output_reloc::sort_before) [SHT_REL]: New function.
11079         (Output_reloc::sort_before) [SHT_RELA]: New function.
11080         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11081         Sort_relocs_comparison.
11082         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11083         parameter.  Change all callers.
11084         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11085         sort_relocs parameter.  Change all callers.
11086         * output.cc (Output_reloc::get_address): New function, broken out
11087         of write_rel.
11088         (Output_reloc::write_rel): Call it.
11089         (Output_reloc::compare): New function.
11090         (Output_data_reloc_base::do_write): Optionally sort relocs.
11091
11092         * configure.ac: If targ_extra_obj is set, link it in.
11093         * configure.tgt: Initialize all variables.
11094         (x86_64*): Set targ_extra_obj and targ_extra_size.
11095         * configure: Rebuild.
11096
11097         * object.cc (Sized_relobj::include_section_group): Adjust section
11098         indexes read from group data.  Build vector to pass to
11099         layout_group.
11100         * layout.cc (Layout::layout_group): Add flags and shndxes
11101         parameters.  Remove contents parameter.  Change caller.  Update
11102         explicit instantiations.
11103         * layout.h (class Layout): Update layout_group declaration.
11104         * output.cc (Output_data_group::Output_data_group): Add flags and
11105         input_shndxes parameters.  Remove contents parameter.  Change
11106         caller.
11107         (Output_data_group::do_write): Change input_sections_ to
11108         input_shndxes_.
11109         * output.h (class Output_data_group): Update constructor
11110         declaration.  Rename input_sections_ to input_shndxes_.
11111         * testsuite/many_sections_test.cc: Add template.
11112
11113 2008-04-30  Cary Coutant  <ccoutant@google.com>
11114
11115         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11116
11117         * layout.cc (Layout::include_section): Refactored check for debug
11118         info section.
11119         (Layout::add_comdat): Add new parameters.  Change type
11120         of signature parameter.  Add object and shndx to signatures table.
11121         (Layout::find_kept_object): New function.
11122         * layout.h: Include <cstring>.
11123         (Layout::is_debug_info_section): New function.
11124         (Layout::add_comdat): Add new parameters.
11125         (Layout::find_kept_object): New function.
11126         (Layout::Kept_section): New struct.
11127         (Layout::Signatures): Change type of map range.
11128         * object.cc (Relobj::output_section_address): New function.
11129         (Sized_relobj::include_section_group): Add new parameters.  Change
11130         calls to Layout::add_comdat.  Change to build table of kept comdat
11131         groups and table mapping discarded sections to kept sections.
11132         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11133         (Sized_relobj::do_layout): Change calls to include_section_group and
11134         include_linkonce_section.
11135         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11136         value to zero when section is discarded.
11137         (Sized_relobj::map_to_kept_section): New function.
11138         * object.h (Relobj::output_section_address): New function.
11139         (Relobj::Comdat_group): New type.
11140         (Relobj::find_comdat_group): New function.
11141         (Relobj::Comdat_group_table): New type.
11142         (Relobj::Kept_comdat_section): New type.
11143         (Relobj::Kept_comdat_section_table): New type.
11144         (Relobj::add_comdat_group): New function.
11145         (Relobj::set_kept_comdat_section): New function.
11146         (Relobj::get_kept_comdat_section): New function.
11147         (Relobj::comdat_groups_): New field.
11148         (Relobj::kept_comdat_sections_): New field.
11149         (Symbol_value::input_value): Update comment.
11150         (Sized_relobj::map_to_kept_section) New function.
11151         (Sized_relobj::include_linkonce_section): Add new parameter.
11152         * target-reloc.h (Comdat_behavior): New type.
11153         (get_comdat_behavior): New function.
11154         (relocate_section): Add code to map a discarded section to the
11155         corresponding kept section when applying a relocation.
11156
11157 2008-04-30  Craig Silverstein  <csilvers@google.com>
11158
11159         * dwarf_reader.cc (next_generation_count): New static var.
11160         (Addr2line_cache_entry): New struct.
11161         (addr2line_cache): New static var.
11162         (Dwarf_line_info::one_addr2line): Added caching.
11163         (Dwarf_line_info::clear_addr2line_cache): New function.
11164         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11165         cache-size parameter.
11166         (Dwarf_line_info::one_addr2line_cache): New function.
11167         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11168         new cache-size argument to one_addr2line(), and clear cache.
11169
11170 2008-04-28  Cary Coutant  <ccoutant@google.com>
11171
11172         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11173         R_386_PC8 relocations.
11174
11175 2008-04-23  Ian Lance Taylor  <iant@google.com>
11176
11177         * object.cc (Sized_relobj::include_section_group): Check for
11178         invalid section group.
11179
11180         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11181         header size.
11182
11183         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11184         than read for file header.
11185         * archive.cc (Archive::include_member): Likewise.
11186
11187 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11188
11189         * aclocal.m4: Regenerate.
11190         * configure: Regenerate.
11191
11192 2008-04-19  Ian Lance Taylor  <iant@google.com>
11193
11194         * version.cc (version_string): Bump to 1.6.
11195
11196         * testsuite/Makefile.am (many_sections_r_test): New target.
11197         (many_sections_r_test_SOURCES): Remove.
11198         (many_sections_r_test_DEPENDENCIES): Remove.
11199         (many_sections_r_test_LDFLAGS): Remove.
11200         (many_sections_r_test_LDADD): Remove.
11201
11202         * object.cc (Sized_relobj::do_add_symbols): Always pass
11203         local_symbol_count_ to add_from_relobj.
11204
11205         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11206         every thousand variables.
11207         * testsuite/Makefile.in: Rebuild.
11208
11209         * object.cc (Xindex::initialize_symtab_xindex): New function.
11210         (Xindex::read_symtab_xindex): New function.
11211         (Xindex::sym_xindex_to_shndx): New function.
11212         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11213         available.
11214         (Sized_relobj::do_initialize_xindex): New function.
11215         (Sized_relobj::do_read_symbols): Adjust section links.
11216         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11217         parameter.  Change all callers.
11218         (Sized_relobj::include_section_group): Adjust section links and
11219         symbol section indexes.
11220         (Sized_relobj::do_layout): Adjust section links.
11221         (Sized_relobj::do_count_local_symbols): Adjust section links and
11222         symbol section indexes.
11223         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11224         ordinary and special symbols.
11225         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11226         dynsym_xindex parameters.  Change all callers.  Adjust section
11227         links.  Use SHN_XINDEX when needed.
11228         (Sized_relobj::get_symbol_location_info): Adjust section links.
11229         Don't get fooled by special symbols.
11230         * object.h (class Xindex): Define.
11231         (class Object): Add xindex_ parameter.  Declare virtual functoin
11232         do_initialize_xindex.
11233         (Object::adjust_sym_shndx): New function.
11234         (Object::set_xindex): New protected function.
11235         (class Symbol_value): Add is_ordinary_shndx_ field.
11236         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11237         (Symbol_value::value): Assert ordinary section.
11238         (Symbol_value::initialize_input_to_output_map): Likewise.
11239         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11240         Change all callers.
11241         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11242         all callers.
11243         (class Sized_relobj): Update declarations.
11244         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11245         parameter.  Change all callers.
11246         (Sized_relobj::adjust_shndx): New function.
11247         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11248         field.
11249         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11250         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11251         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11252         (Sized_dynobj::read_dynsym_section): Adjust section links.
11253         (Sized_dynobj::read_dynamic): Likewise.
11254         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11255         section links.
11256         (Sized_dynobj::do_initialize_xindex): New function.
11257         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11258         do_initialize_xindex.
11259         (Sized_dynobj::adjust_shndx): New function.
11260         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11261         dynsym_xindex_ fields.
11262         (Layout::finalize): Add a call to set_section_indexes before
11263         creating the symtab sections.
11264         (Layout::set_section_indexes): Don't do anything if the section
11265         already has a section index.
11266         (Layout::create_symtab_sections): Add shnum parameter.  Change
11267         caller.  Create .symtab_shndx section if needed.
11268         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11269         caller.
11270         (Layout::allocated_output_section_count): New function.
11271         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11272         needed.
11273         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11274         fields.  Update declarations.
11275         (Layout::symtab_xindex): New function.
11276         (Layout::dynsym_xindex): New function.
11277         (class Write_symbols_task): Add layout_ field.
11278         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11279         Change caller.
11280         * output.cc (Output_section_headers::Output_section_headers): Add
11281         shstrtab_section parameter.  Change all callers.
11282         (Output_section_headers::do_sized_write): Store overflow values
11283         for section count and section string table section index in
11284         section header zero.
11285         (Output_file_header::do_sized_write): Check for overflow of
11286         section count and section string table section index.
11287         (Output_symtab_xindex::do_write): New function.
11288         (Output_symtab_xindex::endian_do_write): New function.
11289         * output.h (class Output_section_headers): Add shstrtab_section_.
11290         Update declarations.
11291         (class Output_symtab_xindex): Define.
11292         (Output_section::has_out_shndx): New function.
11293         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11294         field.
11295         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11296         Change all callers.
11297         (Sized_symbol::init): Likewise.
11298         (Symbol::output_section): Check for ordinary symbol.
11299         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11300         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11301         callers.
11302         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11303         Change all callers.  Simplify handling of symbols from sections
11304         not included in the link.
11305         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11306         distinction.
11307         (Weak_alias_sorter::operator()): Assert that symbols are
11308         ordinary.
11309         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11310         distinction.
11311         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11312         parameters.  Change all callers.
11313         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11314         symbol distinction.  Use SHN_XINDEX when needed.
11315         (Symbol_table::write_section_symbol): Add symtab_xindex
11316         parameter.  Change all callers.
11317         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11318         SHN_XINDEX when needed.
11319         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11320         declarations.
11321         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11322         (Symbol::is_defined): Check is_ordinary.
11323         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11324         (Symbol::is_absolute, Symbol::is_common): Likewise.
11325         (class Sized_symbol): Update declarations.
11326         (class Symbol_table): Update declarations.
11327         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11328         parameters.  Change all callers.
11329         (Sized_symbol::override): Likewise.
11330         (Symbol_table::override): Likewise.
11331         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11332         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11333         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11334         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11335         to be in an ordinary section.
11336         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11337         object and is_ordinary parameters.  Change all callers.
11338         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11339         Change all callers.  Don't add undefined or non-ordinary symbols
11340         to reloc_map_.
11341         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11342         Change all callers.
11343         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11344         declarations.
11345         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11346         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11347         (Sized_relobj::relocate_sections): Likewise.
11348         * target-reloc.h (scan_relocs): Adjust section symbol index.
11349         (scan_relocatable_relocs): Likewise.
11350         * i386.cc (Scan::local): Check for ordinary symbols.
11351         * sparc.cc (Scan::local): Likewise.
11352         * x86_64.cc (Scan::local): Likewise.
11353         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11354         to symbol_section_and_value.
11355         * testsuite/many_sections_test.cc: New file.
11356         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11357         (check_PROGRAMS): Add many_sections_test.
11358         (many_sections_test_SOURCES): Define.
11359         (many_sections_test_DEPENDENCIES): Define.
11360         (many_sections_test_LDFLAGS): Define.
11361         (BUILT_SOURCES): Add many_sections_define.h.
11362         (many_sections_define.h): New target.
11363         (BUILT_SOURCES): Add many_sections_check.h.
11364         (many_sections_check.h): New target.
11365         (check_PROGRAMS): Add many_sections_r_test.
11366         (many_sections_r_test_SOURCES): Define.
11367         (many_sections_r_test_DEPENDENCIES): Define.
11368         (many_sections_r_test_LDFLAGS): Define.
11369         (many_sections_r_test_LDADD): Define.
11370         (many_sections_r_test.o): New target.
11371         * testsuite/Makefile.in: Rebuild.
11372
11373 2008-04-17  Cary Coutant  <ccoutant@google.com>
11374
11375         * errors.cc (Errors::info): New function.
11376         (gold_info): New function.
11377         * errors.h (Errors::info): New function.
11378         * gold.h (gold_info): New function.
11379         * object.cc (Input_objects::add_object): Print trace output.
11380         * options.cc (options::parse_set): New function.
11381         (General_options::parse_wrap): Deleted.
11382         (General_options::General_options): Deleted initializer.
11383         * options.h (options::String_set): New typedef.
11384         (options::parse_set): New function.
11385         (DEFINE_set): New macro.
11386         (General_options::wrap): Changed to use DEFINE_set. Changed
11387         callers of any_wrap_symbols and is_wrap_symbol.
11388         (General_options::trace, General_options::trace_symbol):
11389         New options.
11390         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11391         (General_options::wrap_symbols_): Deleted.
11392         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11393
11394 2008-04-17  David S. Miller  <davem@davemloft.net>
11395
11396         * options.cc (General_options::parse_V): New function.
11397         * options.h: Add entries for -V and -Qy.
11398
11399 2008-04-17  Ian Lance Taylor  <iant@google.com>
11400
11401         * common.cc (Symbol_table::allocate_commons): Remove options
11402         parameter.  Change caller.
11403         (Symbol_table::do_allocate_commons): Remove options parameter.
11404         Change caller.  Just call do_allocate_commons_list twice.
11405         (Symbol_table::do_allocate_commons_list): New function, broken out
11406         of do_allocate_commons.
11407         * common.h (class Allocate_commons_task): Remove options_ field.
11408         Update constructor.
11409         * symtab.cc (Symbol_table::Symbol_table): Initialize
11410         tls_commons_.
11411         (Symbol_table::add_from_object): Put TLS common symbols on
11412         tls_commons_ list.
11413         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11414         which are IN_OUTPUT_DATA.
11415         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11416         allocate_commons and do_allocate_commons declarations.  Declare
11417         do_allocate_commons_list.
11418         * gold.cc (queue_middle_tasks): Update creation of
11419         Allocate_commons_task to not pass options.
11420         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11421         (TLS_TEST_C_FLAGS): New variable.
11422         (tls_test_c_pic.o): New target.
11423         (tls_test_shared.so): Link in tls_test_c_pic.o.
11424         (tls_test_c_pic_ie.o): New target.
11425         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11426         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11427         (tls_test_c.o): New target.
11428         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11429         (tls_pic_test_LDADD): Likewise.
11430         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11431         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11432         (tls_test_c_gnu2.o): New target.
11433         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11434         tls_test_c_gnu2.o.
11435         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11436         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11437         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11438         * testsuite/tls_test.cc: Include "config.h".
11439         (t_last): Call t11_last.
11440         * testsuite/tls_test.h (t11, t11_last): Declare.
11441         * testsuite/tls_test_c.c: New file.
11442         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11443         * configure.ac: Check for OpenMP support.
11444         * configure, config.in, Makefile.in: Rebuild.
11445         * testsuite/Makefile.in: Rebuild.
11446
11447 2008-04-16  Cary Coutant  <ccoutant@google.com>
11448
11449         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11450         (Target_i386::tls_base_symbol_defined_): New field.
11451         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11452         (Target_i386::Scan::global): Likewise.
11453         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11454         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11455         (Target_x86_64::tls_base_symbol_defined_): New field.
11456         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11457         (Target_x86_64::Scan::global): Likewise.
11458
11459 2008-04-16  Cary Coutant  <ccoutant@google.com>
11460
11461         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11462         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11463         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11464         building shared libraries.
11465         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11466         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11467         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11468         * testsuite/Makefile.in: Rebuild.
11469         * testsuite/weak_undef.h: New file.
11470         * testsuite/weak_undef_file1.cc: Add extra test cases.
11471         * testsuite/weak_undef_file2.cc: Likewise.
11472         * testsuite/weak_undef_test.cc: Likewise.
11473
11474 2008-04-16  David S. Miller  <davem@davemloft.net>
11475
11476         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11477         Add issued_non_pic_error_ field.  Declare check_non_pic.
11478         (Target_sparc::Scan::check_non_pic): New function.
11479         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11480         (Target_sparc::Scan::global): Likewise.
11481
11482         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11483         * configure: Rebuild.
11484
11485         * options.h (DEFINE_enable): New macro.
11486         (new_dtags): New enable option.
11487         (initfirst, interpose, loadfltr, nodefaultlib,
11488         nodelete, nodlopen, nodump): New -z options.
11489         * layout.cc (Layout:finish_dynamic_section): If new
11490         dtags enabled, emit DT_RUNPATH.  Also, emit a
11491         DT_FLAGS_1 containing any specified -z flags.
11492
11493 2008-04-16  Ian Lance Taylor  <iant@google.com>
11494
11495         * copy-relocs.cc: New file.
11496         * copy-relocs.h: New file.
11497         * reloc.cc: Remove Copy_relocs code.
11498         * reloc.h: Likewise.
11499         * reloc-types.h (struct Reloc_types) [both versions]: Add
11500         get_reloc_addend_noerror.
11501         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11502         variants of add_global which take an addend which must be zero.
11503         * i386.cc: Include "copy-relocs.h".
11504         (class Target_i386): Change type of copy_relocs_ to variable,
11505         update initializer.
11506         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11507         Change all callers.
11508         (Target_i386::do_finalize_sections): Change handling of
11509         copy_relocs_.
11510         * sparc.cc: Include "copy-relocs.h".
11511         (class Target_sparc): Change type of copy_relocs_ to variable,
11512         update initializer.
11513         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11514         Change all callers.
11515         (Target_sparc::do_finalize_sections): Change handling of
11516         copy_relocs_.
11517         * x86_64.cc: Include "copy-relocs.h".
11518         (class Target_x86_64): Change type of copy_relocs_ to variable,
11519         update initializer.
11520         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11521         class.  Change all callers.
11522         (Target_x86_64::do_finalize_sections): Change handling of
11523         copy_relocs_.
11524         * Makefile.am (CCFILES): Add copy-relocs.cc.
11525         (HFILES): Add copy-relocs.h.
11526
11527         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11528
11529         * testsuite/script_test_4.sh: Permit leading zeroes.
11530
11531 2008-04-15  Ian Lance Taylor  <iant@google.com>
11532
11533         * script-sections.cc (Script_sections::create_segments): Use
11534         header_size_adjustment even when there is enough room for the
11535         headers.
11536         * testsuite/script_test_4.sh: New file.
11537         * testsuite/script_test_4.t: New file.
11538         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11539         (check_DATA): Add script_test_4.stdout.
11540         (MOSTLYCLEANFILES): Likewise.
11541         (script_test_4): New target.
11542         (script_test_4.stdout): New target.
11543         * testsuite/Makefile.in: Rebuild.
11544
11545         * sparc.cc: Add definitions for Output_data_plt_sparc class
11546         constants.
11547
11548 2008-04-14  David S. Miller  <davem@davemloft.net>
11549
11550         * sparc.cc: New file.
11551         * Makefile.am (TARGETSOURCES): Add sparc.cc
11552         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11553         * configure.tgt: Document targ_extra_size and
11554         targ_extra_big_endian.  Add entries for sparc-* and
11555         sparc64-*.
11556         * configure.ac: Handle targ_extra_size and
11557         targ_extra_big_endian.
11558         * Makefile.in: Rebuild.
11559         * configure: Likewise.
11560         * po/POTFILES.in: Likewise.
11561         * po/gold.pot: Likewise.
11562
11563 2008-04-14  Ian Lance Taylor  <iant@google.com>
11564
11565         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11566         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11567         in the name/type/flags to section mapping.  Don't call
11568         allocate_output_section.
11569         (Layout::choose_output_section): Change parameter from adjust_name
11570         to is_input_section.  Don't permit input sections after sections
11571         are attached to segments.  Don't call allocate_output_section.
11572         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11573         not write_enable_output_section.
11574         (Layout::make_output_section): Don't push to
11575         unattached_section_list_ nor call attach_to_segment.  Call
11576         attach_section_to_segment if sections are attached.
11577         (Layout::attach_sections_to_segments): New function.
11578         (Layout::attach_section_to_segment): New function.
11579         (Layout::attach_allocated_section_to_segment): Rename from
11580         attach_to_segment.  Remove flags parameter.
11581         (Layout::allocate_output_section): Remove function.
11582         (Layout::write_enable_output_section): Remove function.
11583         * layout.h (class Layout): Update for above changes.  Add new
11584         field sections_are_attached_.
11585         * output.h (Output_section::update_flags_for_input_section): New
11586         function.
11587         * output.cc (Output_section::add_input_section): Call
11588         update_flags_for_input_section.
11589         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11590
11591 2008-04-11  Cary Coutant  <ccoutant@google.com>
11592
11593         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11594         thought unnecessary.
11595         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11596
11597 2008-04-11  Ian Lance Taylor  <iant@google.com>
11598
11599         * output.h (class Output_section_data): Remove inline definition
11600         of set_addralign.
11601         * output.cc (Output_section_data::set_addralign): New function.
11602
11603 2008-04-11  Cary Coutant  <ccoutant@google.com>
11604
11605         Add support for TLS descriptors for i386 and x86_64.
11606         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11607         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11608         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11609         GOT_TYPE_TLS_DESC.
11610         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11611         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11612         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11613         relocations.
11614         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11615         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11616         Fix problem with initial-exec relocations.
11617         (Target_i386::Relocate::relocate_tls): Likewise.
11618         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11619         relaxation.
11620         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11621         support for section-plus-offset dynamic table entries.
11622         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11623         (Output_data_dynamic::Dynamic_entry): Add support for
11624         section-plus-offset dynamic table entries.
11625         (Output_data_dynamic::Classification): Likewise.
11626         (Output_data_dynamic::classification_): Renamed offset_.
11627         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11628         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11629         (Target_x86_64::make_plt_section): New function.
11630         (Target_x86_64::reserve_tlsdesc_entries): New function.
11631         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11632         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11633         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11634         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11635         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11636         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11637         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11638         add extra PLT entry for TLS descriptors.
11639         (Output_data_plt_x86_64::got_): New field.
11640         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11641         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11642         fields.
11643         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11644         descriptors.
11645         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11646         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11647         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11648         R_386_TLS_DESC_CALL relocations.
11649         (Target_x86_64::Scan::global): Likewise.
11650         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11651         for TLS descriptors.
11652         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11653         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11654         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11655         GD-to-IE relaxation.
11656         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11657         and TLS_DESCRIPTORS.
11658         * Makefile.in: Rebuild.
11659         * configure: Rebuild.
11660         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11661         (tls_test_shared2.so): New target.
11662         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11663         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11664         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11665         (tls_shared_gd_to_ie_test_LDADD): New variable.
11666         (tls_shared_gnu2_gd_to_ie_test): New target.
11667         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11668         New targets.
11669         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11670         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11671         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11672         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11673         (tls_shared_gnu2_test): New target.
11674         (tls_test_gnu2_shared.so): New target.
11675         (tls_shared_gnu2_test_SOURCES): New variable.
11676         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11677         (tls_shared_gnu2_test_LDFLAGS): New variable.
11678         (tls_shared_gnu2_test_LDADD): New variable.
11679         * testsuite/Makefile.in: Rebuild.
11680         * testsuite/Makefile.
11681
11682 2008-04-11  Ian Lance Taylor  <iant@google.com>
11683
11684         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11685         justsyms.t.
11686         * testsuite/Makefile.in: Rebuild.
11687
11688         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11689         long.
11690         * testsuite/script_test_2.cc (main): Adjust test.
11691
11692 2008-04-11  David S. Miller  <davem@davemloft.net>
11693             Ian Lance Taylor  <iant@google.com>
11694
11695         * options.h (General_options): Add entries for '-Y' and
11696         '-relax'.
11697         * options.cc (General_options:finalize): If -Y was used, add those
11698         entries to the library path instead of the default "/lib" and
11699         "/usr/lib".
11700
11701 2008-04-11  David S. Miller  <davem@davemloft.net>
11702
11703         * testsuite/justsyms.t: Start at 0x100.
11704         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11705         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11706         long.
11707         * testsuite/script_test_2.cc: Adjust string and section length
11708         checks.
11709
11710 2008-04-09  Ian Lance Taylor  <iant@google.com>
11711
11712         PR gold/5996
11713         * script-sections.cc (Sections_element::allocate_to_segment): Add
11714         orphan parameter.
11715         (Output_section_definition::allocate_to_segment): Likewise.
11716         (Orphan_output_section::allocate_to_segment): Likewise.
11717         (Script_sections::attach_sections_using_phdrs_clause): Don't
11718         propagate non-PT_LOAD segments to orphan sections.
11719         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11720         readelf rather than objdump.
11721         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11722         .interp section and PT_INTERP segment are the same size.
11723         * testsuite/Makefile.in: Rebuild.
11724
11725         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11726         aliases for symbols defined in the same object.
11727         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11728         (weak_alias_test_SOURCES): New variable.
11729         (weak_alias_test_DEPENDENCIES): New variable.
11730         (weak_alias_test_LDFLAGS): New variable.
11731         (weak_alias_test_LDADD): New variable.
11732         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11733         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11734         (weak_alias_test_3.o): New target.
11735         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11736         * testsuite/weak_alias_test_main.cc: New file.
11737         * testsuite/weak_alias_test_1.cc: New file.
11738         * testsuite/weak_alias_test_2.cc: New file.
11739         * testsuite/weak_alias_test_3.cc: New file.
11740
11741 2008-04-08  Ian Lance Taylor  <iant@google.com>
11742
11743         * options.h (class General_options): Add --noinhibit-exec option.
11744         * main.cc (main): Check --noinhibit-exec.
11745
11746         * options.h (class General_options): Define --wrap as a special
11747         option.  Add wrap_symbols_ field.
11748         (General_options::any_wrap_symbols): New function.
11749         (General_options::is_wrap_symbol): New function.
11750         * options.cc (General_options::parse_wrap): New function.
11751         (General_options::General_options): Initialize wrap_symbols_.
11752         * symtab.cc (Symbol_table::wrap_symbol): New function.
11753         (Symbol_table::add_from_object): Handle --wrap.
11754         * symtab.h (class Symbol_table): Declare wrap_symbol.
11755         * target.h (Target::wrap_char): New function.
11756         (Target::Target_info): Add wrap_char field.
11757         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11758         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11759         * testsuite/testfile.cc (Target_test::test_target_info):
11760         Likewise.
11761
11762         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11763         there is one.
11764
11765         * layout.h (class Layout): Add added_eh_frame_data_ field.
11766         * layout.cc (Layout::Layout): Initialize new field.
11767         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11768         output section until we find a section we merged successfully.
11769         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11770         that the size be non-zero.
11771
11772         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11773         qualifier.
11774
11775 2008-04-08  Craig Silverstein  <csilvers@google.com>
11776
11777         * configure.ac: Export new conditional variable HAVE_ZLIB.
11778         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11779         on HAVE_ZLIB.
11780         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11781         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11782
11783 2008-04-07  Ian Lance Taylor  <iant@google.com>
11784
11785         * version.cc (version_string): Set to "1.5".
11786
11787         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11788         Add issued_non_pic_error_ field.  Declare check_non_pic.
11789         (Target_x86_64::Scan::check_non_pic): New function.
11790         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11791         (Target_x86_64::Scan::global): Likewise.
11792
11793         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11794         addend parameter.  Change caller.  Handle merge sections.
11795         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11796         Address to Addend.  Don't add in the result of
11797         local_section_offset, pass down the addend and use the returned
11798         value.
11799         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11800         Update declarations of local_section_offset and symbol_value.
11801         * testsuite/two_file_test_1.cc (t18): New function.
11802         * testsuite/two_file_test_2.cc (f18): New function.
11803         * testsuite/two_file_test_main.cc (main): Call t18.
11804         * testsuite/two_file_test.h (t18, f18): Declare.
11805
11806         * configure.ac: Don't test for objdump, c++filt, or readelf.
11807         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11808         conditionals.
11809         (TEST_READELF): New variable.
11810         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11811         (check_PROGRAMS): Add two_file_strip_test.
11812         (two_file_strip_test): New target.
11813         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11814         (two_file_same_shared_strip_test_SOURCES): New variable.
11815         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11816         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11817         (two_file_same_shared_strip_test_LDADD): New variable.
11818         (two_file_shared_strip.so): New target.
11819         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11820         (ver_test_5.syms, ver_test_7.syms): Likewise.
11821         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11822         (strip_test_3.stdout): Use TEST_OBJDUMP.
11823         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11824
11825 2008-04-04  Cary Coutant  <ccoutant@google.com>
11826
11827         * symtab.h (Symbol::is_weak_undefined): New function.
11828         (Symbol::is_strong_undefined): New function.
11829         (Symbol::is_absolute): New function.
11830         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11831         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11832         absolute symbols.
11833         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11834         (weak_undef_test): New target.
11835         * testsuite/Makefile.in: Rebuild.
11836         * testsuite/weak_undef_file1.cc: New file.
11837         * testsuite/weak_undef_file2.cc: New file.
11838         * testsuite/weak_undef_test.cc: New file.
11839
11840 2008-04-03  Craig Silverstein  <csilvers@google.com>
11841
11842         * compressed_output.h (class Output_compressed_section): Use
11843         unsigned buffer.
11844         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11845         add zlib header.
11846         (zlib_compressed_suffix): Removed.
11847         (Output_compressed_section::set_final_data_size): Use unsigned
11848         buffers.
11849         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11850         Fix linker invocation.
11851         (flagstest_o_specialfile_and_compress_debug_sections):
11852         Likewise.
11853         * testsuite/Makefile.in: Regenerated.
11854
11855 2008-04-02  David S. Miller  <davem@davemloft.net>
11856
11857         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11858         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11859
11860 2008-04-02  Craig Silverstein  <csilvers@google.com>
11861
11862         * TODO: New file.
11863
11864 2008-04-02  Ian Lance Taylor  <iant@google.com>
11865
11866         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11867         parameters.  Update for new key type to views_.  Change all
11868         callers.
11869         (File_read::read): Adjust for byteshift in returned view.
11870         (File_read::add_view): New function, broken out of
11871         find_and_make_view.
11872         (File_read::make_view): New function, broken out of
11873         find_and_make_view.
11874         (File_read::find_or_make_view): Add offset and aligned
11875         parameters.  Rewrite accordingly.  Change all callers.
11876         (File_read::get_view): Add offset and aligned parameters.  Adjust
11877         for byteshift in return value.
11878         (File_read::get_lasting_view): Likewise.
11879         * fileread.h (class File_read): Update declarations.
11880         (class File_read::View): Add byteshift_ field.  Add byteshift to
11881         constructor.  Add byteshift method.
11882         * archive.h (Archive::clear_uncached_views): New function.
11883         (Archive::get_view): Add aligned parameter.  Change all callers.
11884         * object.h (Object::get_view): Add aligned parameter.  Change all
11885         callers.
11886         (Object::get_lasting_view): Likewise.
11887
11888         * fileread.cc (File_read::release): Don't call clear_views if
11889         there are multiple objects.
11890         * fileread.h (File_read::clear_uncached_views): New function.
11891         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11892         on the archive.
11893
11894 2008-03-31  Cary Coutant  <ccoutant@google.com>
11895
11896         Add thin archive support.
11897         * archive.cc (Archive::armagt): New const.
11898         (Archive::setup): Remove task parameter and calls to unlock.
11899         (Archive::unlock_nested_archives): New function.
11900         (Archive::read_header): Add nested_off parameter. Change
11901         all callers.
11902         (Archive::interpret_header): Likewise.
11903         (Archive::include_all_members): Change to handle thin
11904         archives.
11905         (Archive::include_member): Likewise.
11906         * archive.h (Archive::Archive): Add new parameters and
11907         initializers.
11908         (Archive::armagt): New const.
11909         (Archive::setup): Remove task parameter.
11910         (Archive::unlock_nested_archives): New function.
11911         (Archive::read_header): Add nested_off parameter.
11912         (Archive::interpret_header): Likewise.
11913         (Archive::Nested_archive_table): New typedef.
11914         (Archive::is_thin_archive_): New field.
11915         (Archive::nested_archives_): New field.
11916         (Archive::options_): New field.
11917         (Archive::dirpath_): New field.
11918         (Archive::task_): New field.
11919         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11920         for thin archives.  Pass additional parameters to
11921         Archive::Archive.  Unlock the archive file after calling
11922         Archive::setup.
11923
11924 2008-03-29  Ian Lance Taylor  <iant@google.com>
11925
11926         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11927         version symbol to be local.
11928         * testsuite/ver_test_4.sh: New file.
11929         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11930         (check_DATA): Add ver_test_4.syms.
11931         (ver_test_4.syms): New target.
11932         * testsuite/Makefile.in: Rebuild.
11933
11934         * output.cc
11935         (Output_section::Input_section_sort_entry::has_priority): New
11936         function.
11937         (Output_section::Input_section_sort_entry::match_file_name): New
11938         function.
11939         (Output_section::Input_section_sort_entry::match_section_name):
11940         Remove.
11941         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11942         Remove.
11943         (Output_section::Input_section_sort_entry::match_section_file):
11944         Remove.
11945         (Output_section::Input_section_sort_compare::operator()): Rewrite
11946         using new Input_section_sort_entry functions.  Sort crtbegin and
11947         crtend first.  Sort sections with no priority before sections with
11948         a priority.
11949         * testsuite/initpri1.c (d3): Check j != 4.
11950         (cd5): New constructor/destructor function.
11951         (main): Check j != 2.
11952
11953         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11954         new symbol when resolving, don't call set_is_default.
11955         * testsuite/ver_test_7.cc: New file.
11956         * testsuite/ver_test_7.sh: New file.
11957         * testsuite/Makefile.am (ver_test_7.so): New target.
11958         (ver_test_7.o): New target.
11959         (check_SCRIPTS): Add ver_test_7.sh.
11960         (check_DATA): Add ver_test_7.syms.
11961         (ver_test_7.syms): New target.
11962
11963 2008-03-28  Ian Lance Taylor  <iant@google.com>
11964
11965         * layout.cc (Layout::layout): If we see an input section with a
11966         name that needs sorting, set the must_sort flag for the output
11967         section.
11968         (Layout::make_output_section): If the name of the output section
11969         indicates that it might require sorting, set the may_sort flag.
11970         * output.h (Output_section::may_sort_attached_input_sections): New
11971         function.
11972         (Output_section::set_may_sort_attached_input_sections): New
11973         function.
11974         (Output_section::must_sort_attached_input_sections): New
11975         function.
11976         (Output_section::set_must_sort_attached_input_sections): New
11977         function.
11978         (class Output_section): Declare Input_section_sort_entry.  Define
11979         Input_section_sort_compare.  Declare
11980         sort_attached_input_sections.  Add new fields:
11981         may_sort_attached_input_sections_,
11982         must_sort_attached_input_sections_,
11983         attached_input_sections_are_sorted_.
11984         * output.cc (Output_section::Output_section): Initialize new
11985         fields.
11986         (Output_section::add_input_section): Add an entry to
11987         input_sections_ if may_sort or must_sort are true.
11988         (Output_section::set_final_data_size): Call
11989         sort_attached_input_sections if necessary.
11990         (Output_section::Input_section_sort_entry): Define new class.
11991         (Output_section::Input_section_sort_compare::operator()): New
11992         function.
11993         (Output_section::sort_attached_input_sections): New function.
11994         * configure.ac: Check whether the compiler supports constructor
11995         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11996         * testsuite/initpri1.c: New file.
11997         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11998         CONSTRUCTOR_PRIORITY.
11999         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12000         (initpri1_LDFLAGS): New variable.
12001         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12002
12003 2008-03-27  Ian Lance Taylor  <iant@google.com>
12004
12005         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12006         * testsuite/common_test_1.c: New file.
12007         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12008         (common_test_1_SOURCES): New variable.
12009         (common_test_1_DEPENDENCIES): New variable.
12010         (common_test_1_LDFLAGS): New variable.
12011
12012         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12013         and commons_ correctly when NAME/VERSION does not override
12014         NAME/NULL.
12015         * testsuite/ver_test_6.c: New file.
12016         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12017         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12018         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12019
12020 2008-03-26  Ian Lance Taylor  <iant@google.com>
12021
12022         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12023         of an undefined symbol from a version script.
12024         * testsuite/Makefile.am (ver_test_5.so): New target.
12025         (ver_test_5.o): New target.
12026         (check_SCRIPTS): Add ver_test_5.sh.
12027         (check_DATA): Add ver_test_5.syms.
12028         (ver_test_5.syms): New target.
12029         * testsuite/ver_test_5.cc: New file.
12030         * testsuite/ver_test_5.script: New file.
12031         * testsuite/ver_test_5.sh: New file.
12032         * Makefile.in, testsuite/Makefile.in: Rebuild.
12033
12034         PR gold/5986
12035         Fix problems building gold with gcc 4.3.0.
12036         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12037         (gold_error_at_location, gold_warning_at_location): Use it.
12038         * configure.ac: Check whether we can compile and use a template
12039         function with a printf attribute.
12040         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12041         when jumping over bytes.
12042         * object.cc: Instantiate Object::read_section_data.
12043         * debug.h: Include <cstring>
12044         * dwarf_reader.cc: Include <algorithm>
12045         * main.cc: Include <cstring>.
12046         * options.cc: Include <cstring>.
12047         * output.cc: Include <cstring>.
12048         * script.cc: Include <cstring>.
12049         * script.h: Include <string>.
12050         * symtab.cc: Include <cstring> and <algorithm>.
12051         * target-select.cc: Include <cstring>.
12052         * version.cc: Include <string>.
12053         * testsuite/testmain.cc: Include <cstdlib>.
12054         * configure, config.in: Rebuild.
12055
12056 2008-03-25  Ian Lance Taylor  <iant@google.com>
12057
12058         * options.cc: Include "../bfd/bfdver.h".
12059         (options::help): Print bug reporting address.
12060
12061         * version.cc (print_version): Adjust output for current value of
12062         BFD_VERSION_STRING.
12063
12064         * NEWS: New file.
12065
12066         * options.cc (options::help): Print list of supported targets.
12067         * target-select.h: Include <vector>.
12068         (class Target_selector): Make machine_, size_, and is_big_endian_
12069         fields const.  Add bfd_name_ and instantiated_target_ fields.
12070         (Target_selector::Target_selector): Add bfd_name parameter.
12071         (Target_selector::recognize): Make non-virtual, call
12072         do_recognize.
12073         (Target_selector::recognize_by_name): Make non-virtual, call
12074         do_recognize_by_name.
12075         (Target_selector::supported_names): New function.
12076         (Target_selector::bfd_name): New function.
12077         (Target_selector::do_instantiate_target): New pure virtual
12078         function.
12079         (Target_selector::do_recognize): New virtual function.
12080         (Target_selector::do_recognize_by_name): New virtual function.
12081         (Target_selector::instantiate_target): New private function.
12082         (supported_target_names): Declare.
12083         * target-select.cc (Target_selector::Target_selector): Update for
12084         new parameter and fields.
12085         (select_target_by_name): Check that the name matches before
12086         calling recognize_by_name.
12087         (supported_target_names): New function.
12088         * i386.cc (class Target_selector_i386): Update Target_selector
12089         constructor call.  Remove recognize and recognize_by_name.  Add
12090         do_instantiate_target.
12091         * x86_64.cc (class Target_selector_x86_64): Likewise.
12092         * testsuite/testfile.cc (class Target_selector_test): Update for
12093         changes to Target_selector.
12094
12095         * README: Rewrite, with some notes on unsupported features.
12096
12097 2008-03-24  Cary Coutant  <ccoutant@google.com>
12098
12099         * i386.cc (Target_i386::Got_type): New enum declaration.
12100         (Target_i386::Scan::local): Updated callers of Output_data_got
12101         member functions.
12102         (Target_i386::Scan::global): Likewise.
12103         (Target_i386::Relocate::relocate): Likewise.
12104         (Target_i386::Relocate::relocate_tls): Likewise.
12105         * object.h (Got_offset_list): New class.
12106         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12107         (Sized_relobj::local_got_offset): Likewise.
12108         (Sized_relobj::set_local_got_offset): Likewise.
12109         (Sized_relobj::local_has_tls_got_offset): Removed.
12110         (Sized_relobj::local_tls_got_offset): Removed.
12111         (Sized_relobj::set_local_tls_got_offset): Removed.
12112         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12113         * output.cc (Output_data_got::add_global): Added got_type parameter.
12114         (Output_data_got::add_global_with_rel): Likewise.
12115         (Output_data_got::add_global_with_rela): Likewise.
12116         (Output_data_got::add_global_pair_with_rel): New function.
12117         (Output_data_got::add_global_pair_with_rela): New function.
12118         (Output_data_got::add_local): Added got_type parameter.
12119         (Output_data_got::add_local_with_rel): Likewise.
12120         (Output_data_got::add_local_with_rela): Likewise.
12121         (Output_data_got::add_local_pair_with_rel): New function.
12122         (Output_data_got::add_local_pair_with_rela): New function.
12123         (Output_data_got::add_global_tls): Removed.
12124         (Output_data_got::add_global_tls_with_rel): Removed.
12125         (Output_data_got::add_global_tls_with_rela): Removed.
12126         (Output_data_got::add_local_tls): Removed.
12127         (Output_data_got::add_local_tls_with_rel): Removed.
12128         (Output_data_got::add_local_tls_with_rela): Removed.
12129         * output.h (Output_data_got::add_global): Added got_type parameter.
12130         (Output_data_got::add_global_with_rel): Likewise.
12131         (Output_data_got::add_global_with_rela): Likewise.
12132         (Output_data_got::add_global_pair_with_rel): New function.
12133         (Output_data_got::add_global_pair_with_rela): New function.
12134         (Output_data_got::add_local): Added got_type parameter.
12135         (Output_data_got::add_local_with_rel): Likewise.
12136         (Output_data_got::add_local_with_rela): Likewise.
12137         (Output_data_got::add_local_pair_with_rel): New function.
12138         (Output_data_got::add_local_pair_with_rela): New function.
12139         (Output_data_got::add_global_tls): Removed.
12140         (Output_data_got::add_global_tls_with_rel): Removed.
12141         (Output_data_got::add_global_tls_with_rela): Removed.
12142         (Output_data_got::add_local_tls): Removed.
12143         (Output_data_got::add_local_tls_with_rel): Removed.
12144         (Output_data_got::add_local_tls_with_rela): Removed.
12145         * resolve.cc (Symbol::override_base_with_special): Removed
12146         reference to has_got_offset_ field.
12147         * symtab.cc (Symbol::init_fields): Replaced initialization
12148         of got_offset_ with got_offsets_.  Removed initialization
12149         of has_got_offset_
12150         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12151         (Symbol::got_offset): Likewise.
12152         (Symbol::set_got_offset): Likewise.
12153         (Symbol::has_tls_got_offset): Removed.
12154         (Symbol::tls_got_offset): Removed.
12155         (Symbol::set_tls_got_offset): Removed.
12156         (Symbol::got_offset_): Removed.
12157         (Symbol::tls_mod_got_offset_): Removed.
12158         (Symbol::tls_pair_got_offset_): Removed.
12159         (Symbol::got_offsets_): New field.
12160         (Symbol::has_got_offset): Removed.
12161         (Symbol::has_tls_mod_got_offset): Removed.
12162         (Symbol::has_tls_pair_got_offset): Removed.
12163         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12164         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12165         member functions.
12166         (Target_x86_64::Scan::global): Likewise.
12167         (Target_x86_64::Relocate::relocate): Likewise.
12168         (Target_x86_64::Relocate::relocate_tls): Likewise.
12169
12170 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12171
12172         * yyscript.y: Fix spelling error in comment.
12173
12174 2008-03-24  Ian Lance Taylor  <iant@google.com>
12175
12176         * options.h (class General_options): Define build_id option.
12177         * layout.h (class Layout): Declare write_build_id, create_note,
12178         create_build_id.  Add build_id_note_ member.
12179         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12180         "libiberty.h", "md5.h", "sha1.h".
12181         (Layout::Layout): Initialize eh_frame_data_,
12182         eh_frame_hdr_section_, and build_id_note_.
12183         (Layout::finalize): Call create_build_id.
12184         (Layout::create_note): New function, broken out of
12185         Layout::create_gold_note.
12186         (Layout::create_gold_note): Call create_note.
12187         (Layout::create_build_id): New function.
12188         (Layout::write_build_id): New function.
12189         (Close_task_runner::run): Call write_build_id.
12190
12191         * x86_64.cc: Correct license to GPLv3.
12192
12193 2008-03-23  Ian Lance Taylor  <iant@google.com>
12194
12195         * options.cc: Include "demangle.h".
12196         (parse_optional_string): New function.
12197         (parse_long_option): Handle takes_optional_argument.
12198         (parse_short_option): Update dash_z initializer.  Handle
12199         takes_optional_argument.
12200         (General_options::General_options): Initialize do_demangle_.
12201         (General_options::finalize): Set do_demangle_.  Handle demangling
12202         style.
12203         * options.h (parse_optional_string): Declare.
12204         (struct One_option): Add optional_arg field.  Update constructor.
12205         Update call constructor calls.  Add takes_optional_argument
12206         function.
12207         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12208         (DEFINE_optional_string): Define.
12209         (General_options::demangle): Change from DEFINE_bool to
12210         DEFINE_optional_string.
12211         (General_options::no_demangle): New function.
12212         (General_options::do_demangle): New function.
12213         (General_options::set_do_demangle): New function.
12214         (General_options::execstack_status_): Move definition to end of
12215         class definition.
12216         (General_options::static_): Likewise.
12217         (General_options::do_demangle_): New field.
12218         * object.cc (big_endian>::get_symbol_location_info): Call
12219         Options::do_demangle, not Options::demangle.
12220         * symtab.cc (demangle): Likewise.
12221
12222 2008-03-22  Ian Lance Taylor  <iant@google.com>
12223
12224         * gold.h: Include <cstddef> and <sys/types.h>
12225         * options.h: Include <cstring>.
12226
12227 2008-03-21  Ian Lance Taylor  <iant@google.com>
12228
12229         * Added source code to GNU binutils.