gold/ChangeLog

   1 2011-10-18  David S. Miller  <davem@davemloft.net>
   2
   3         PR binutils/13301
   4         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
   5         member to track relocation locations that have moved during TLS
   6         reloc optimizations.
   7         (Target_sparc::Relocate::Relocate): Initialize to NULL.
   8         (Target_sparc::Relocate::relocate): Adjust view down by 4
   9         bytes if it matches reloc_adjust_addr_.
  10         (Target_sparc::Relocate::relocate_tls): Always move the
  11         __tls_get_addr call delay slot instruction forward 4 bytes when
  12         performing relaxation.
  13
  14 2011-10-18  Cary Coutant  <ccoutant@google.com>
  15
  16         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
  17         (Output_file::map_no_anonymous): Check for non-zero
  18         return code from posix_fallocate.
  19
  20 2011-10-17  Cary Coutant  <ccoutant@google.com>
  21
  22         PR gold/13245
  23         * plugin.cc (is_visible_from_outside): Check for symbols
  24         referenced from dynamic objects.
  25         * resolve.cc (Symbol_table::resolve): Don't count references
  26         from dynamic objects as references from real ELF files.
  27         * testsuite/plugin_test_2.sh: Adjust expected result.
  28
  29 2011-10-17  Cary Coutant  <ccoutant@google.com>
  30
  31         * gold.cc: Include timer.h.
  32         (queue_middle_tasks): Stamp time.
  33         (queue_final_tasks): Likewise.
  34         * main.cc (main): Store timer in parameters.  Print timers
  35         for each pass.
  36         * parameters.cc (Parameters::Parameters): Initialize timer_.
  37         (Parameters::set_timer): New function.
  38         (set_parameters_timer): New function.
  39         * parameters.h (Parameters::set_timer): New function.
  40         (Parameters::timer): New function.
  41         (Parameters::timer_): New data member.
  42         (set_parameters_timer): New function.
  43         * timer.cc (Timer::stamp): New function.
  44         (Timer::get_pass_time): New function.
  45         * timer.h (Timer::stamp): New function.
  46         (Timer::get_pass_time): New function.
  47         (Timer::pass_times_): New data member.
  48
  49 2011-10-17  Cary Coutant  <ccoutant@google.com>
  50
  51         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
  52         task for members of lib groups.
  53
  54 2011-10-17  Cary Coutant  <ccoutant@google.com>
  55
  56         PR gold/13288
  57         * fileread.cc (File_read::find_view): Add assert.
  58         (File_read::make_view): Move bounds check (replace with assert)...
  59         (File_read::find_or_make_view): ... to here.
  60
  61 2011-10-12  Cary Coutant  <ccoutant@google.com>
  62
  63         * output.cc (Output_file::open_base_file): Handle case where
  64         ::read returns less than requested size.
  65
  66 2011-10-10  Cary Coutant  <ccoutant@google.com>
  67
  68         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
  69         Initialize defined_count_.
  70         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
  71         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
  72         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
  73         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
  74         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
  75         * incremental.h (Sized_relobj_incr::defined_count_): New data
  76         member.
  77         (Sized_incr_dynobj::defined_count_): New data member.
  78         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
  79         Return zeroes instead of internal error.
  80
  81 2011-10-10  Cary Coutant  <ccoutant@google.com>
  82
  83         PR gold/13249
  84         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
  85         (Output_reloc::symbol_value): Return PLT offset if flag is set.
  86         * output.h (class Output_reloc): Add use_plt_offset flag.
  87         (Output_reloc::type_): Adjust size of bit field.
  88         (Output_reloc::use_plt_offset_): New bit field.
  89         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
  90         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
  91         flag.  Adjust all callers.
  92         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
  93         creating RELATIVE relocations.
  94
  95 2011-10-10  Nick Clifton  <nickc@redhat.com>
  96
  97         * po/es.po: Updated Spanish translation.
  98         * po/fi.po: Updated Finnish translation.
  99
 100 2011-10-03   Diego Novillo  <dnovillo@google.com>
 101
 102         * options.cc (parse_uint): Fix dereference of RETVAL.
 103
 104 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 105
 106         * layout.h (section_order_map_): New member.
 107         (get_section_order_map): New member function.
 108         * output.cc (Output_section::add_input_section): Check for patterns
 109         only when --section-ordering-file is specified.
 110         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 111         output_sections have been formed.
 112         * layout.cc (Layout_Layout): Initialize section_order_map_.
 113         * plugin.cc (update_section_order): Store order in order_map. Do not
 114         update the order.
 115         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 116         * testsuite/Makefile.in: Regenerate.
 117         * testsuite/plugin_section_order.c: New file.
 118         * testsuite/plugin_final_layout.cc: New file.
 119         * testsuite/plugin_final_layout.sh: New file.
 120
 121 2011-09-29  Cary Coutant  <ccoutant@google.com>
 122
 123         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 124         Check for NULL.
 125         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 126         symbols during incremental update.
 127         (Symbol_table::add_from_dynobj): Likewise.
 128
 129 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 130             Ian Lance Taylor  <iant@google.com>
 131
 132         * symtab.cc (Symbol_table::define_special_symbol): Always
 133         canonicalize version string.
 134
 135 2011-09-26  Cary Coutant  <ccoutant@google.com>
 136
 137         * gold.cc (queue_initial_tasks): Move option checks ...
 138         * options.cc (General_options::finalize): ... to here. Disable
 139         some options; make others fatal.
 140
 141 2011-09-26  Cary Coutant  <ccoutant@google.com>
 142
 143         gcc PR lto/47247
 144         * plugin.cc (get_symbols_v2): New function.
 145         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 146         (is_referenced_from_outside): New function.
 147         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 148         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 149         (get_symbols): Pass version parameter.
 150         (get_symbols_v2): New function.
 151         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 152         parameter.
 153         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 154         (onload): Add LDPT_GET_SYMBOLS_V2.
 155         (all_symbols_read_hook): Use get_symbols_v2; check for
 156         LDPR_PREVAILING_DEF_IRONLY_EXP.
 157         * testsuite/plugin_test_3.sh: Update expected results.
 158
 159 2011-09-23  Simon Baldwin  <simonb@google.com>
 160
 161         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 162         configuration options.
 163         * configure: Regenerate.
 164         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 165         * Makefile.in: Regenerate.
 166         * testsuite/Makefile.in: Regenerate.
 167
 168 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 169
 170         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 171
 172 2011-09-19  Cary Coutant  <ccoutant@google.com>
 173
 174         * incremental.cc (can_incremental_update): Fix typo in comment.
 175         * incremental.h (can_incremental_update): Likewise.
 176
 177 2011-09-18  Cary Coutant  <ccoutant@google.com>
 178
 179         * incremental.cc (can_incremental_update): New function.
 180         * incremental.h (can_incremental_update): New function.
 181         * layout.cc (Layout::init_fixed_output_section): Call it.
 182         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 183         * object.cc (Sized_relobj_file::do_layout): Call
 184         can_incremental_update.
 185
 186 2011-09-13  Cary Coutant  <ccoutant@google.com>
 187
 188         * configure.ac: Check for glibc support for gnu_indirect_function
 189         support with static linking, setting automake conditional
 190         IFUNC_STATIC.
 191         * Makefile.in: Regenerate.
 192         * configure: Regenerate.
 193
 194         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 195         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 196         for IFUNC_STATIC.
 197         * testsuite/Makefile.in: Regenerate.
 198
 199 2011-09-13  Cary Coutant  <ccoutant@google.com>
 200
 201         * incremental.cc (Sized_relobj_incr::do_layout): Call
 202         report_comdat_group for kept comdat sections.
 203         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 204         * testsuite/Makefile.in: Regenerate.
 205         * testsuite/incr_comdat_test_1.cc: New source file.
 206         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 207         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 208         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 209
 210 2011-09-13  Ian Lance Taylor  <iant@google.com>
 211
 212         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 213         variable external_symbols_offset.
 214
 215 2011-09-12  Ian Lance Taylor  <iant@google.com>
 216
 217         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 218         triggered if object has no symbols.
 219
 220 2011-09-09  David S. Miller  <davem@davemloft.net>
 221
 222         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 223         (Output_fill_debug_line::do_write): Likewise.
 224
 225 2011-08-29  Cary Coutant  <ccoutant@google.com>
 226
 227         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 228         casts to match formatting specs.
 229         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 230
 231 2011-08-26  Cary Coutant  <ccoutant@google.com>
 232
 233         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 234         remaining hole size when allocating.
 235         (Layout::make_output_section): Set fill methods for debug sections.
 236         * layout.h (Free_list::Free_list_node): Move from private to
 237         public.
 238         (Free_list::set_min_hole_size): New function.
 239         (Free_list::begin, Free_list::end): New functions.
 240         (Free_list::min_hole_): New data member.
 241         * output.cc: Include dwarf.h.
 242         (Output_fill_debug_info::do_minimum_hole_size): New function.
 243         (Output_fill_debug_info::do_write): New function.
 244         (Output_fill_debug_line::do_minimum_hole_size): New function.
 245         (Output_fill_debug_line::do_write): New function.
 246         (Output_section::Output_section): Initialize new data member.
 247         (Output_section::set_final_data_size): Ensure patch space is larger
 248         than minimum hole size.
 249         (Output_section::do_write): Fill holes in debug sections.
 250         * output.h (Output_fill): New class.
 251         (Output_fill_debug_info): New class.
 252         (Output_fill_debug_line): New class.
 253         (Output_section::set_free_space_fill): New function.
 254         (Output_section::free_space_fill_): New data member.
 255         * testsuite/Makefile.am (incremental_test_3): Add
 256         --incremental-patch option.
 257         (incremental_test_4): Likewise.
 258         (incremental_test_5): Likewise.
 259         (incremental_test_6): Likewise.
 260         (incremental_copy_test): Likewise.
 261         (incremental_common_test_1): Likewise.
 262         * testsuite/Makefile.in: Regenerate.
 263
 264 2011-08-26  Nick Clifton  <nickc@redhat.com>
 265
 266         * po/es.po: Updated Spanish translation.
 267
 268 2011-08-01  Cary Coutant  <ccoutant@google.com>
 269
 270         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 271         * gold/testsuite/Makefile.in: Regenerate.
 272         * gold/testsuite/justsyms_exec.c: New source file.
 273         * gold/testsuite/justsyms_lib.c: New source file.
 274
 275 2011-08-01  Cary Coutant  <ccoutant@google.com>
 276
 277         * layout.cc (Layout::set_segment_offsets): Don't realign text
 278         segment if -Ttext was specified.
 279         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 280         file type.
 281         * object.h (Sized_relobj_file::e_type): New function.
 282         (Sized_relobj_file::e_type_): New data member.
 283         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 284         base address for ET_EXEC files.
 285         * target.cc (Target::do_make_elf_object_implementation): Allow
 286         ET_EXEC files with --just-symbols option.
 287
 288 2011-07-28  Cary Coutant  <ccoutant@google.com>
 289
 290         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 291         Add thread_number parameter.
 292         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 293         * workqueue-threads.cc
 294         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 295         current thread if its thread number is greater than desired thread
 296         count.
 297         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 298         Add thread_number parameter.
 299         (Workqueue::should_cancel_thread): Likewise.
 300         (Workqueue::find_runnable_or_wait): Pass thread_number to
 301         should_cancel_thread.
 302         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 303         parameter.
 304
 305 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 306
 307         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 308         only after checking if it cannot be forced local.
 309         * symtab.h (is_externally_visible): Check if the symbol is not forced
 310         local.
 311
 312 2011-07-15  Ian Lance Taylor  <iant@google.com>
 313
 314         * options.h (class General_options): Add --print-output-format.
 315         Move -EL next to -EB, for  better --help output.
 316         * target-select.cc: Include <cstdio>, "options.h", and
 317         "parameters.h".
 318         (Target_selector::do_target_bfd_name): New function.
 319         (print_output_format): New function.
 320         * target-select.h (class Target_selector): Update declarations.
 321         (Target_selector::target_bfd_name): New function.
 322         (print_output_format): Declare.
 323         * main.cc: Include "target-select.h".
 324         (main): Handle --print-output-format.
 325         * gold.cc: Include "target-select.h".
 326         (queue_initial_tasks): Handle --print-output-format when there are
 327         no input files.
 328         * parameters.cc (parameters_force_valid_target): Give a better
 329         error message if -EB/-EL does not match target.
 330         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 331         function.
 332
 333 2011-07-15  Ian Lance Taylor  <iant@google.com>
 334
 335         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 336         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 337         (Output_data_plt_i386::do_write): Write address of .dynamic
 338         section to first entry in .got.plt section.
 339         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 340         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 341         Initialize layout_.
 342         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 343         section to first entry in .got.plt section.
 344         * layout.h (Layout::dynamic_section): New function.
 345
 346 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 347
 348         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 349         to claim_file call.
 350         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 351         input_section_position_, and input_section_glob_.
 352         (read_layout_from_file): Call function section_ordering_specified.
 353         * layout.h (is_section_ordering_specified): New function.
 354         (section_ordering_specified): New function.
 355         (section_ordering_specified_): New boolean member.
 356         * main.cc(main): Call load_plugins after layout object is defined.
 357         * output.cc (Output_section::add_input_section): Use
 358         function section_ordering_specified to check if section ordering is
 359         needed.
 360         * output.cc (Output_section::add_relaxed_input_section): Use
 361         function section_ordering_specified to check if section ordering is
 362         needed.
 363         (Output_section::update_section_layout): New function.
 364         (Output_section::sort_attached_input_sections): Check if input section
 365         must be reordered.
 366         * output.h (Output_section::update_section_layout): New function.
 367         * plugin.cc (get_section_count): New function.
 368         (get_section_type): New function.
 369         (get_section_name): New function.
 370         (get_section_contents): New function.
 371         (update_section_order): New function.
 372         (allow_section_ordering): New function.
 373         (Plugin::load): Add the new interfaces to the transfer vector.
 374         (Plugin_manager::load_plugins): New parameter.
 375         (Plugin_manager::all_symbols_read): New parameter.
 376         (Plugin_manager::claim_file): New parameter. Save the elf object for
 377         unclaimed objects.
 378         (Plugin_manager::get_elf_object): New function.
 379         (Plugin_manager::get_view): Change to directly use the bool to check
 380         if get_view is called from claim_file_hook.
 381         * plugin.h (input_objects): New function
 382         (Plugin__manager::load_plugins): New parameter.
 383         (Plugin_manager::claim_file): New parameter.
 384         (Plugin_manager::get_elf_object): New function.
 385         (Plugin_manager::in_claim_file_handler): New function.
 386         (Plugin_manager::in_claim_file_handler_): New member.
 387         (layout): New function.
 388         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 389         handler with an extra parameter. Make the elf object before calling
 390         claim_file handler.
 391         * testsuite/plugin_test.c (get_section_count): New function pointer.
 392         (get_section_type): New function pointer.
 393         (get_section_name): New function pointer.
 394         (get_section_contents): New function pointer.
 395         (update_section_order): New function pointer.
 396         (allow_section_ordering): New function pointer.
 397         (onload): Check if the new interfaces exist.
 398
 399 2011-07-13  Ian Lance Taylor  <iant@google.com>
 400
 401         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 402         relro section.
 403         * x86_64.cc (Target_x86_64::got_section): Likewise.
 404         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 405         (relro_now_test_SOURCES): New variable.
 406         (relro_now_test_DEPENDENCIES): New variable.
 407         (relro_now_test_LDFLAGS): New variable.
 408         (relro_now_test_LDADD): New variable.
 409         (relro_now_test.so): New target.
 410         * testsuite/Makefile.in: Rebuild.
 411
 412 2011-07-12  Ian Lance Taylor  <iant@google.com>
 413
 414         PR gold/12980
 415         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 416         GLOB_DAT relocation rather than a RELATIVE relocation for a
 417         protected symbol when creating a shared library.
 418         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 419         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 420         * testsuite/protected_main_1.cc (main): Test that protected
 421         function has same address.
 422
 423 2011-07-11  Ian Lance Taylor  <iant@google.com>
 424
 425         PR gold/12979
 426         * options.h (class General_options): Add -Bgroup.
 427         * options.cc (General_options::finalize): If -Bgroup is set,
 428         default to --unresolved-symbols=report-all.
 429         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 430         * target-reloc.h (issue_undefined_symbol_error): Handle
 431         --unresolved-symbols=report-all.
 432
 433 2011-07-08  Ian Lance Taylor  <iant@google.com>
 434
 435         PR gold/11985
 436         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 437         if linker script discards key sections.
 438         (Layout::create_dynamic_symtab): Likewise.
 439         (Layout::assign_local_dynsym_offsets): Likewise.
 440         (Layout::sized_create_version_sections): Likewise.
 441         (Layout::create_interp): Likewise.
 442         (Layout::finish_dynamic_section): Likewise.
 443         (Layout::set_dynamic_symbol_size): Likewise.
 444
 445 2011-07-08  Ian Lance Taylor  <iant@google.com>
 446
 447         PR gold/12386
 448         * options.h (class General_options): Add --unresolved-symbols.
 449         * target-reloc.h (issue_undefined_symbol_error): Check
 450         --unresolved-symbols.  Add comments.
 451
 452 2011-07-08  Ian Lance Taylor  <iant@google.com>
 453
 454         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 455         expression more complex.
 456
 457 2011-07-08  Ian Lance Taylor  <iant@google.com>
 458
 459         PR gold/11317
 460         * target-reloc.h (issue_undefined_symbol_error): New inline
 461         function, broken out of relocate_section.
 462         (relocate_section): Call issue_undefined_symbol_error.
 463         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 464         there is no TLS segment if we are about to issue an undefined
 465         symbol error.
 466         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 467
 468 2011-07-08  Ian Lance Taylor  <iant@google.com>
 469
 470         PR gold/12279
 471         * resolve.cc (Symbol_table::should_override): Add fromtype
 472         parameter.  Change all callers.  Give error when linking together
 473         TLS and non-TLS symbol.
 474         (Symbol_table::should_override_with_special): Add fromtype
 475         parameter.  Change all callers.
 476         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 477         there is no TLS segment if we have reported some errors.
 478         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 479
 480 2011-07-08  Ian Lance Taylor  <iant@google.com>
 481
 482         PR gold/12372
 483         * target.h (Target::plt_address_for_global): New function.
 484         (Target::plt_address_for_local): New function.
 485         (Target::plt_section_for_global): Remove.
 486         (Target::plt_section_for_local): Remove.
 487         (Target::do_plt_address_for_global): New virtual function.
 488         (Target::do_plt_address_for_local): New virtual function.
 489         (Target::do_plt_section_for_global): Remove.
 490         (Target::do_plt_section_for_local): Remove.
 491         (Target::register_global_plt_entry): Add Symbol_table and Layout
 492         parameters.
 493         * output.cc (Output_data_got::Got_entry::write): Use
 494         plt_address_for_global and plt_address_for_local.
 495         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 496         address of output section.
 497         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 498         got_irelative_, and irelative_count_ fields.  Update
 499         declarations.
 500         (Output_data_plt_i386::has_irelative_section): New function.
 501         (Output_data_plt_i386::entry_count): Add irelative_count_.
 502         (Output_data_plt_i386::set_final_data_size): Likewise.
 503         (class Target_i386): Add got_irelative_ and rel_irelative_
 504         fields.  Update declarations.
 505         (Target_i386::Target_i386): Initialize new fields.
 506         (Target_i386::do_plt_address_for_global): New function replacing
 507         do_plt_section_for_global.
 508         (Target_i386::do_plt_address_for_local): New function replacing
 509         do_plt_section_for_local.
 510         (Target_i386::got_section): Create got_irelative_.
 511         (Target_i386::rel_irelative_section): New function.
 512         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 513         fields.  Don't define __rel_iplt_{start,end}.
 514         (Output_data_plt_i386::add_entry): Add symtab and layout
 515         parameters.  Change all callers.  Use different PLT and GOT for
 516         IFUNC symbols.
 517         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 518         layout parameters.  Change all callers.  Use different PLT and
 519         GOT.
 520         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 521         (Output_data_plt_i386::rel_irelative): New function.
 522         (Output_data_plt_i386::address_for_global): New function.
 523         (Output_data_plt_i386::address_for_local): New function.
 524         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 525         IRELATIVE GOT when changing IFUNC GOT entries.
 526         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 527         reloc.
 528         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 529         if we didn't create an IRELATIVE GOT.
 530         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 531         plt_address_for_local.
 532         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 533         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 534         got_irelative_, and irelative_count_ fields.  Update
 535         declarations.
 536         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 537         Initialize new fields.  Remove symtab parameter.  Change all
 538         callers.
 539         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 540         irelative_count_.
 541         (Output_data_plt_x86_64::has_irelative_section): New function.
 542         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 543         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 544         fields.  Update declarations.
 545         (Target_x86_64::Target_x86_64): Initialize new fields.
 546         (Target_x86_64::do_plt_address_for_global): New function replacing
 547         do_plt_section_for_global.
 548         (Target_x86_64::do_plt_address_for_local): New function replacing
 549         do_plt_section_for_local.
 550         (Target_x86_64::got_section): Create got_irelative_.
 551         (Target_x86_64::rela_irelative_section): New function.
 552         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 553         all callers.  Don't create __rel_iplt_{start,end}.
 554         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 555         parameters.  Change all callers.  Use different PLT and GOT for
 556         IFUNC symbols.
 557         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 558         layout parameters.  Change all callers.  Use different PLT and
 559         GOT.
 560         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 561         parameters.  Change all callers.  Use different PLT and GOT for
 562         IFUNC symbols.
 563         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 564         (Output_data_plt_x86_64::rela_irelative): New function.
 565         (Output_data_plt_x86_64::address_for_global): New function.
 566         (Output_data_plt_x86_64::address_for_local): New function.
 567         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 568         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 569         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 570         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 571         parameters.
 572         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 573         reloc.
 574         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 575         symbols if we didn't create an IRELATIVE GOT.
 576         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 577         plt_address_for_local.
 578         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 579         * testsuite/ifuncvar1.c: New test file.
 580         * testsuite/ifuncvar2.c: New test file.
 581         * testsuite/ifuncvar3.c: New test file.
 582         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 583         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 584         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 585         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 586         * testsuite/Makefile.in: Rebuild.
 587
 588 2011-07-07  Cary Coutant  <ccoutant@google.com>
 589
 590         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 591         (two_file_test_1_ndebug.o): Likewise.
 592         (two_file_test_1b_ndebug.o): Likewise.
 593         (two_file_test_2_ndebug.o): Likewise.
 594         (two_file_test_main_ndebug.o): Likewise.
 595         (incremental_test_2): Link with no-debug versions.
 596
 597 2011-07-06  Cary Coutant  <ccoutant@google.com>
 598
 599         * gold/incremental.cc
 600         (Output_section_incremental_inputs::write_info_blocks): Check for
 601         hidden and internal symbols.
 602
 603 2011-07-06  Cary Coutant  <ccoutant@google.com>
 604
 605         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 606         Check disposition for startup file.
 607         (Incremental_inputs::report_command_line): Ignore
 608         --incremental-startup-unchanged option.
 609         * options.cc (General_options::parse_incremental_startup_unchanged):
 610         New function.
 611         (General_options::General_options): Initialize new data member.
 612         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 613         (General_options): Add --incremental-startup-unchanged option.
 614         (General_options::incremental_startup_disposition): New function.
 615         (General_options::incremental_startup_disposition_): New data member.
 616
 617 2011-07-06  Cary Coutant  <ccoutant@google.com>
 618
 619         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 620         input file index to Script_info ctor.
 621         (Sized_incremental_binary::do_file_has_changed): Find the
 622         command-line argument for files named in scripts.
 623         * incremental.h (Script_info::Script_info): New ctor
 624         with input file index.
 625         (Script_info::input_file_index): New function.
 626         (Script_info::input_file_index_): New data member.
 627         (Incremental_binary::get_library): Add const.
 628         (Incremental_binary::get_script_info): Add const.
 629         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 630         * testsuite/Makefile.am (incremental_test_5): New test case.
 631         (incremental_test_6): New test case.
 632         * testsuite/Makefile.in: Regenerate.
 633
 634 2011-07-06  Cary Coutant  <ccoutant@google.com>
 635
 636         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 637         debug output when command lines differ.
 638
 639 2011-07-06  Cary Coutant  <ccoutant@google.com>
 640
 641         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 642         --incremental-patch option.
 643         * layout.cc (Free_list::allocate): Extend allocation beyond original
 644         end if enabled.
 645         (Layout::make_output_section): Mark sections that should get
 646         patch space.
 647         * options.cc (parse_percent): New function.
 648         * options.h (parse_percent): New function.
 649         (DEFINE_percent): New macro.
 650         (General_options): Add --incremental-patch option.
 651         * output.cc (Output_section::Output_section): Initialize new data
 652         members.
 653         (Output_section::add_input_section): Print section name when out
 654         of patch space.
 655         (Output_section::add_output_section_data): Likewise.
 656         (Output_section::set_final_data_size): Add patch space when
 657         doing --incremental-full.
 658         (Output_section::do_reset_address_and_file_offset): Remove patch
 659         space.
 660         (Output_segment::set_section_list_addresses): Print debug output
 661         only if --incremental-update.
 662         * output.h (Output_section::set_is_patch_space_allowed): New function.
 663         (Output_section::is_patch_space_allowed_): New data member.
 664         (Output_section::patch_space_): New data member.
 665         * parameters.cc (Parameters::incremental_full): New function.
 666         * parameters.h (Parameters::incremental_full): New function
 667         * testsuite/Makefile.am (incremental_test_2): Add test for
 668         --incremental-patch option.
 669         * testsuite/Makefile.in: Regenerate.
 670         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 671         (t18): Remove function body.
 672
 673 2011-07-05  Doug Kwan  <dougkwan@google.com>
 674
 675         PR gold/12771
 676         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 677         Arm_Address type for relocation result.
 678         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 679         overflow check.
 680         (Arm_relocate_functions::abs32): Use unaligned access.
 681         (Arm_relocate_functions::rel32): Ditto.
 682         (Arm_relocate_functions::prel31): Ditto.
 683         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 684         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 685         static data relocations.
 686         * testsuite/Makefile.in: Regnerate.
 687         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 688
 689 2011-07-05  Ian Lance Taylor  <iant@google.com>
 690
 691         PR gold/12392
 692         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 693         symbols if necessary.
 694         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 695
 696 2011-07-05  Ian Lance Taylor  <iant@google.com>
 697
 698         PR gold/12952
 699         * resolve.cc (Symbol::override_base_with_special): Simply override
 700         version with special symbol version, ignoring previous version.
 701
 702 2011-07-05  Ian Lance Taylor  <iant@google.com>
 703
 704         * object.cc (Sized_relobj_file::include_section_group): Add
 705         information to comment about signature location.
 706
 707 2011-07-02  Ian Lance Taylor  <iant@google.com>
 708
 709         PR gold/12957
 710         * options.h (class General_options): Add -f and -F.
 711         * options.cc (General_options::finalize): Fatal error if -f/-F
 712         are used without -shared.
 713         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 714
 715 2011-07-02  Ian Lance Taylor  <iant@google.com>
 716
 717         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 718
 719 2011-07-01  Ian Lance Taylor  <iant@google.com>
 720
 721         PR gold/12525
 722         PR gold/12952
 723         * resolve.cc (Symbol::override_base_with_special): Don't override
 724         the version if the overriding symbol has a different name.
 725         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 726         all callers.  If we give an error about an undefined version,
 727         define the base version if necessary.
 728         * dynobj.h (class Versions): Update declaration.
 729         * testsuite/weak_alias_test_5.cc: New file.
 730         * testsuite/weak_alias_test.script: New file.
 731         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 732         and versioned_alias have the right value, and call t2.
 733         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 734         weak_alias_test_5.so.
 735         (weak_alias_test_LDADD): Likewise.
 736         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 737         * testsuite/Makefile.in: Rebuild.
 738
 739 2011-07-01  Ian Lance Taylor  <iant@google.com>
 740
 741         PR gold/12525
 742         * options.h (class General_options): Support -z notext.
 743         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 744         -Wl,-z,notext.
 745         (two_file_shared_nonpic.so): Likewise.
 746         (two_file_shared_mixed.so): Likewise.
 747         (two_file_shared_mixed_1.so): Likewise.
 748         (weak_undef_lib_nonpic.so): Likewise.
 749         (alt/weak_undef_lib_nonpic.so): Likewise.
 750         (tls_test_shared_nonpic.so): Likewise.
 751         * testsuite/Makefile.in: Rebuild.
 752
 753 2011-07-01  Ian Lance Taylor  <iant@google.com>
 754
 755         PR gold/12525
 756         * configure.ac: Test whether static linking works, setting
 757         the automake conditional HAVE_STATIC.
 758         * testsuite/Makefile.am: Disable tests using -static if
 759         HAVE_STATIC is not true.
 760         * configure, testsuite/Makefile.in: Rebuild.
 761
 762 2011-07-01  Ian Lance Taylor  <iant@google.com>
 763
 764         PR gold/12525
 765         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 766         Assert if we see DW_EH_PE_indirect.
 767         * target.h (Target::ehframe_datarel_base): New function.
 768         (Target::do_ehframe_datarel_base): New target function.
 769         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 770         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 771         function.
 772
 773 2011-07-01  Ian Lance Taylor  <iant@google.com>
 774
 775         PR gold/12571
 776         * options.h (class General_options): Add
 777         --ld-generated-unwind-info.
 778         * ehframe.cc (Fde::write): Add address parameter.  Change all
 779         callers.  If associated with PLT, fill in address and size.
 780         (Cie::set_output_offset): Only add merge mapping if there is an
 781         object.
 782         (Cie::write): Add address parameter.  Change all callers.
 783         (Eh_frame::add_ehframe_for_plt): New function.
 784         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 785         input_offset_ fields into union u_, with new plt field.
 786         (Fde::Fde): Adjust for new union field.
 787         (Fde::Fde) [Output_data version]: New constructor.
 788         (Fde::add_mapping): Only add merge mapping if there is an object.
 789         (class Cie): Update declarations.
 790         (class Eh_frame): Declare add_ehframe_for_plt.
 791         * layout.cc (Layout::layout_eh_frame): Break out code into
 792         make_eh_frame_section, and call it.
 793         (Layout::make_eh_frame_section): New function.
 794         (Layout::add_eh_frame_for_plt): New function.
 795         * layout.h (class Layout): Update declarations.
 796         * merge.cc (Merge_map::add_mapping): Add assertion.
 797         * i386.cc: Include "dwarf.h".
 798         (class Output_data_plt_i386): Make first_plt_entry,
 799         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 800         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 801         and plt_eh_frame_fde.
 802         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 803         boundary.  Call add_eh_frame_for_plt if appropriate.
 804         * x86_64.cc: Include "dwarf.h".
 805         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 806         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 807         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 808         and plt_eh_frame_fde.
 809         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 810         appropriate.
 811
 812 2011-06-29  Ian Lance Taylor  <iant@google.com>
 813
 814         PR gold/12629
 815         * object.cc (Sized_relobj_file::layout_section): Change shdr
 816         parameter to be const.
 817         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 818         out of do_layout.
 819         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 820         appropriate.  Call layout_eh_frame_section.
 821         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 822         sections.
 823         * object.h (class Sized_relobj_file): Update declarations.
 824
 825 2011-06-29  Ian Lance Taylor  <iant@google.com>
 826
 827         PR gold/12652
 828         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 829         modifier.
 830         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 831
 832 2011-06-29  Ian Lance Taylor  <iant@google.com>
 833
 834         PR gold/12675
 835         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 836         SHT_X86_64_UNWIND.
 837         * layout.cc (Layout::layout_eh_frame): Likewise.
 838
 839 2011-06-29  Ian Lance Taylor  <iant@google.com>
 840
 841         PR gold/12695
 842         * layout.cc (Layout::symtab_section_shndx): New function.
 843         * layout.h (class Layout): Declare symtab_section_shndx.
 844         * output.cc (Output_section::write_header): Call it.
 845
 846 2011-06-29  Ian Lance Taylor  <iant@google.com>
 847
 848         PR gold/12818
 849         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 850         symbols which are not used in a relocation.
 851
 852 2011-06-28  Ian Lance Taylor  <iant@google.com>
 853
 854         PR gold/12898
 855         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 856         script create indistinguishable segments.
 857         (Layout::set_segment_offsets): Use stable_sort when sorting
 858         segments.  Pass this to Compare_segments constructor.
 859         * layout.h (class Layout): Make segment_precedes non-static.
 860         (class Compare_segments): Change from struct to class.  Add
 861         layout_ field.  Add constructor.
 862         * script-sections.cc
 863         (Script_sections::attach_sections_using_phdrs_clause): Rename
 864         local orphan to is_orphan.  Don't report failure to put empty
 865         section in segment.  On attachment failure, report name of
 866         section, and attach to first PT_LOAD segment.
 867
 868 2011-06-28  Ian Lance Taylor  <iant@google.com>
 869
 870         PR gold/12934
 871         * target-select.cc (Target_selector::Target_selector): Add
 872         emulation parameter.  Change all callers.
 873         (select_target_by_bfd_name): Rename from select_target_by_name.
 874         Change all callers.
 875         (select_target_by_emulation): New function.
 876         (supported_emulation_names): New function.
 877         * target-select.h (class Target_selector): Add emulation_ field.
 878         Update declarations.
 879         (Target_selector::recognize_by_bfd_name): Rename from
 880         recognize_by_name.  Change all callers.
 881         (Target_selector::supported_bfd_names): Rename from
 882         supported_names.  Change all callers.
 883         (Target_selector::recognize_by_emulation): New function.
 884         (Target_selector::supported_emulations): New function.
 885         (Target_selector::emulation): New function.
 886         (Target_selector::do_recognize_by_bfd_name): Rename from
 887         do_recognize_by_name.  Change all callers.
 888         (Target_selector::do_supported_bfd_names): Rename from
 889         do_supported_names.  Change all callers.
 890         (Target_selector::do_recognize_by_emulation): New function.
 891         (Target_selector::do_supported_emulations): New function.
 892         (select_target_by_bfd_name): Change name in declaration.
 893         (select_target_by_emulation): Declare.
 894         (supported_emulation_names): Declare.
 895         * parameters.cc (parameters_force_valid_target): Try to find
 896         target based on emulation from -m option.
 897         * options.h (class General_options): Change doc string for -m.
 898         * options.cc (help): Print emulations.
 899         (General_options::parse_V): Likewise.
 900         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 901         Add emulation parameter.  Change all callers.
 902
 903 2011-06-28  Ian Lance Taylor  <iant@google.com>
 904
 905         * target.h (class Target): Add osabi_ field.
 906         (Target::osabi): New function.
 907         (Target::set_osabi): New function.
 908         (Target::Target): Initialize osabi_.
 909         (Target::do_adjust_elf_header): Make pure virtual.
 910         (Sized_target::do_adjust_elf_header): Declare.
 911         * target.cc (Sized_target::do_adjust_elf_header): New function.
 912         (class Sized_target): Instantiate all versions.
 913         * freebsd.h (class Target_freebsd): Remove.
 914         (Target_selector_freebsd::do_recognize): Call set_osabi on
 915         Target.
 916         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 917         (Target_selector_freebsd::set_osabi): Remove.
 918         * i386.cc (class Target_i386): Inherit from Sized_target rather
 919         than Target_freebsd.
 920         * x86_64.cc (class Target_x86_64): Likewise.
 921
 922 2011-06-28  Ian Lance Taylor  <iant@google.com>
 923
 924         * target.h (Target::can_check_for_function_pointers): Rewrite.
 925         Make non-virtual.
 926         (Target::can_icf_inline_merge_sections): Likewise.
 927         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 928         (Target::Target_info): Add can_icf_inline_merge_sections field.
 929         (Target::do_can_check_for_function_pointers): New virtual
 930         function.
 931         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 932         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 933         from can_check_for_function_pointers, move in file.
 934         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 935         section_may_have_icf_unsafe_poineters, move in file.
 936         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 937         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 938         Rename from can_check_for_function_pointers, move in file.
 939         (Target_i386::can_icf_inline_merge_sections): Remove.
 940         (Target_i386::i386_info): Initialize
 941         can_icf_inline_merge_sections.
 942         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 943         Initialize can_icf_inline_merge_sections.
 944         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 945         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 946         Rename from can_check_for_function_pointers, move in file.
 947         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 948         (Target_x86_64::x86_64_info): Initialize
 949         can_icf_inline_merge_sections.
 950         * testsuite/testfile.cc (Target_test::test_target_info):
 951         Likewise.
 952         * icf.cc (get_section_contents): Correct formatting.
 953
 954 2011-06-27  Ian Lance Taylor  <iant@google.com>
 955
 956         * symtab.cc (Symbol::versioned_name): New function.
 957         (Symbol_table::add_to_final_symtab): Use versioned_name when
 958         appropriate.
 959         (Symbol_table::sized_write_symbol): Likewise.
 960         * symtab.h (class Symbol): Declare versioned_name.
 961         * stringpool.h (class Stringpool_template): Add variant of add
 962         which takes a std::basic_string.
 963         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 964         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 965         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 966         (ver_test_12.o): New target.
 967         * testsuite/Makefile.in: Rebuild.
 968
 969 2011-06-27  Doug Kwan  <dougkwan@google.com>
 970
 971         * arm.cc (Arm_relocate_functions::thm_jump8,
 972         Arm_relocate_functions::thm_jump11): Use a wider signed
 973         type to compute offset.
 974         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 975         arm_thm_jump8.
 976         * testsuite/Makefile.in: Regenerate.
 977         * testsuite/arm_branch_in_range.sh: Check test results of
 978         arm_thm_jump11 and arm_thm_jump8.
 979         * testsuite/arm_thm_jump11.s: New test source file.
 980         * testsuite/arm_thm_jump11.t: New linker script.
 981         * testsuite/arm_thm_jump8.s: New test source file.
 982         * testsuite/arm_thm_jump8.t: New linker script.
 983
 984 2011-06-24  Ian Lance Taylor  <iant@google.com>
 985
 986         * layout.cc: Include "object.h".
 987         (ctors_sections_in_init_array): New static variable.
 988         (Layout::is_ctors_in_init_array): New function.
 989         (Layout::layout): Add entry to ctors_sections_in_init_array if
 990         appropriate.
 991         * layout.h (class Layout): Declare is_ctors_in_init_array.
 992         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 993         is_ctors_reverse_view is set.
 994         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 995         all callers.  Set is_ctors_reverse_view field of View_size.
 996         (Sized_relobj_file::reverse_words): New function.
 997         * object.h (Sized_relobj_file::View_size): Add
 998         is_ctors_reverse_view field.
 999         (class Sized_relobj_file): Update declarations.
1000         * testsuite/initpri3.c: New test.
1001         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1002         initpri3b.
1003         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1004         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1005         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1006         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1007         * testsuite/Makefile.in: Rebuild.
1008
1009 2011-06-24  Cary Coutant  <ccoutant@google.com>
1010
1011         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1012         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1013         (debug_msg_cdebug.err): New targets.
1014         * testsuite/Makefile.in: Regenerate.
1015         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1016         Fix checks for link with shared library.
1017
1018 2011-06-24  Doug Kwan  <dougkwan@google.com>
1019
1020         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1021         skip empty text sections.
1022         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1023
1024 2011-06-22  Ian Lance Taylor  <iant@google.com>
1025
1026         PR gold/12910
1027         * options.h (class General_options): Add --ctors-in-init-array.
1028         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1029         friends as SHT_PROGBITS for merging sections.
1030         (Layout::layout): Remove special handling of .init_array and
1031         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1032         and .dtors if ctors_in_init_array.
1033         (Layout::make_output_section): Force correct section types for
1034         .init_array and friends.  Don't sort if doing relocatable link,
1035         Don't sort .ctors and .dtors if ctors_in_init_array.
1036         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1037         (Layout::output_section_name): Add relobj parameter.  Change all
1038         callers.  Handle .ctors. and .dtors. in code rather than table.
1039         Handle .ctors and .dtors if ctors_in_init_array.
1040         (Layout::match_file_name): New function, moved from output.cc.
1041         * layout.h (class Layout): Update declarations.
1042         * output.cc: Include "layout.h".
1043         (Input_section_sort_entry::get_priority): New function.
1044         (Input_section_sort_entry::match_file_name): Just call
1045         Layout::match_file_name.
1046         (Output_section::Input_section_sort_init_fini_compare::operator()):
1047         Handle .ctors and .dtors.  Sort by explicit priority rather than
1048         by name.
1049         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1050         * testsuite/initpri2.c: New test.
1051         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1052         (check_PROGRAMS): Add initpri2.
1053         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1054         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1055         * configure, testsuite/Makefile.in: Rebuild.
1056
1057 2011-06-19  Ian Lance Taylor  <iant@google.com>
1058
1059         PR gold/12880
1060         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1061         .interp section to a PT_INTERP segment even if we have seen a
1062         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1063         clause in a linker script.
1064         (Layout::finalize): Don't create a .interp section if we've
1065         already create a PT_INTERP segment.
1066         (Layout::create_interp): Always call choose_output_section (revert
1067         patch of 2011-06-17).  Don't create PT_INTERP segment.
1068         * script-sections.cc
1069         (Script_sections::create_note_and_tls_segments): Add a .interp
1070         section to a PT_INTERP segment even if we have seen a
1071         --dynamic-linker option.
1072
1073 2011-06-18  Ian Lance Taylor  <iant@google.com>
1074
1075         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1076         merely because a non-PT_LOAD segment has a dynamic reloc.
1077
1078 2011-06-18  Ian Lance Taylor  <iant@google.com>
1079
1080         * layout.cc (Layout::finish_dynamic_section): Don't create
1081         DT_FLAGS entry if not needed.
1082
1083 2011-06-18  Ian Lance Taylor  <iant@google.com>
1084
1085         PR gold/12745
1086         * layout.cc (Layout::layout_eh_frame): Correct handling of
1087         writable .eh_frame section.
1088
1089 2011-06-17  Ian Lance Taylor  <iant@google.com>
1090
1091         PR gold/12893
1092         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1093         symbol is redefined with the exact same object and value.
1094
1095 2011-06-17  Ian Lance Taylor  <iant@google.com>
1096
1097         PR gold/12880
1098         * layout.h (class Layout): Add interp_segment_ field.
1099         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1100         (Layout::attach_allocated_section_to_segment): If making shared
1101         library, put .interp section in PT_INTERP segment.
1102         (Layout::finalize): Also call create_interp if -dynamic-linker
1103         option was used.
1104         (Layout::create_interp): Assert that there is no PT_INTERP
1105         segment.  If not using a SECTIONS clause, use make_output_section.
1106         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1107         * script-sections.cc
1108         (Script_sections::create_note_and_tls_segments): If making shared
1109         library, put .interp section in PT_INTERP segment.
1110
1111 2011-06-17  Ian Lance Taylor  <iant@google.com>
1112
1113         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1114         when making a shared library.
1115
1116 2011-06-17  Ian Lance Taylor  <iant@google.com>
1117
1118         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1119         parameter.  Change all callers.  Don't issue warning about PC32
1120         against locally defined symbol.
1121
1122 2011-06-16  Ian Lance Taylor  <iant@google.com>
1123
1124         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1125         occurs in same object.
1126
1127 2011-06-14  Alan Modra  <amodra@gmail.com>
1128
1129         * po/POTFILES.in: Regenerate.
1130
1131 2011-06-09  Ian Lance Taylor  <iant@google.com>
1132
1133         * script-sections.cc
1134         (Orphan_output_section::set_section_addresses): For a relocatable
1135         link set address to 0.
1136
1137 2011-06-09  Cary Coutant  <ccoutant@google.com>
1138
1139         PR gold/12804
1140         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1141         used with --compress-debug-sections.
1142         * gold/object.cc (Sized_relobj_file::do_layout): Report
1143         uncompressed size of compressed input sections.
1144
1145 2011-06-08  Cary Coutant  <ccoutant@google.com>
1146
1147         PR gold/12804
1148         * testsuite/two_file_test_2_v1.cc: Change initialization of
1149         v2 to keep it in .data.
1150
1151 2011-06-07  Cary Coutant  <ccoutant@google.com>
1152
1153         * common.cc (Symbol_table::do_allocate_commons_list): Call
1154         gold_fallback.
1155         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1156         (Errors::fallback): New function.
1157         (gold_fallback): New function.
1158         * errors.h (Errors::fallback): New function.
1159         * gold.cc (gold_exit): Change status parameter to enum; adjust
1160         all callers.
1161         (queue_initial_tasks): Call gold_fallback.
1162         * gold.h: Include cstdlib.
1163         (Exit_status): New enum type.
1164         (gold_exit): Change status parameter to enum.
1165         (gold_fallback): New function.
1166         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1167         (Layout::create_symtab_sections): Likewise.
1168         (Layout::create_shdrs): Likewise.
1169         * main.cc (main): Adjust call to gold_exit.
1170         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1171         (Output_data_got::add_got_entry_pair): Likewise.
1172         (Output_section::add_input_section): Likewise.
1173         (Output_section::add_output_section_data): Likewise.
1174         (Output_segment::set_section_list_addresses): Likewise.
1175         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1176
1177 2011-06-07  Cary Coutant  <ccoutant@google.com>
1178
1179         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1180         for incremental links.
1181         * output.cc (Output_segment::set_section_list_addresses): Remove
1182         FIXME and test for TLS or BSS.
1183
1184 2011-06-07  Cary Coutant  <ccoutant@google.com>
1185
1186         * testsuite/Makefile.am: Add incremental_copy_test,
1187         incremental_common_test_1.
1188         * testsuite/Makefile.in: Regenerate.
1189         * testsuite/common_test_1_v1.c: New source file.
1190         * testsuite/common_test_1_v2.c: New source file.
1191         * testsuite/copy_test_v1.cc: New source file.
1192
1193 2011-06-07  Cary Coutant  <ccoutant@google.com>
1194
1195         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1196         update, allocate common from bss section's free list.
1197         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1198         linker-defined symbols.
1199         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1200         Skip GOT and PLT entries that are no longer referenced.
1201         (Output_section_incremental_inputs::write_info_blocks): Mark
1202         linker-defined symbols.
1203         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1204         * output.cc (Output_section::allocate): New function.
1205         * output.h (Output_section::allocate): New function.
1206         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1207         linker-defined symbols.
1208         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1209         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1210         (Symbol::init_base_output_data): Likewise.
1211         (Symbol::init_base_output_segment): Likewise.
1212         (Symbol::init_base_constant): Likewise.
1213         (Sized_symbol::init_output_data): Likewise.
1214         (Sized_symbol::init_output_segment): Likewise.
1215         (Sized_symbol::init_constant): Likewise.
1216         (Symbol_table::do_define_in_output_data): Likewise.
1217         (Symbol_table::do_define_in_output_segment): Likewise.
1218         (Symbol_table::do_define_as_constant): Likewise.
1219         * symtab.h (Symbol::is_predefined): New function.
1220         (Symbol::init_base_output_data): Add is_predefined parameter.
1221         (Symbol::init_base_output_segment): Likewise.
1222         (Symbol::init_base_constant): Likewise.
1223         (Symbol::is_predefined_): New data member.
1224         (Sized_symbol::init_output_data): Add is_predefined parameter.
1225         (Sized_symbol::init_output_segment): Likewise.
1226         (Sized_symbol::init_constant): Likewise.
1227         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1228
1229 2011-06-07  Cary Coutant  <ccoutant@google.com>
1230
1231         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1232         instead of emit_copy_reloc.
1233         (Copy_relocs::emit_copy_reloc): Refactor.
1234         (Copy_relocs::make_copy_reloc): New function.
1235         (Copy_relocs::add_copy_reloc): Remove.
1236         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1237         section.
1238         (Copy_relocs::make_copy_reloc): New function.
1239         (Copy_relocs::add_copy_reloc): Remove.
1240         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1241         unchanged input files.
1242         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1243         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1244         Reserve BSS space for COPY relocations.
1245         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1246         (Output_section_incremental_inputs::write_info_blocks): Record
1247         whether a symbol is copied from a shared object.
1248         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1249         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1250         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1251         (Incremental_input_entry_reader::get_output_symbol_index): Add
1252         is_copy parameter.
1253         (Incremental_binary::emit_copy_relocs): New function.
1254         (Incremental_binary::do_emit_copy_relocs): New function.
1255         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1256         new data member.
1257         (Sized_incremental_binary::add_copy_reloc): New function.
1258         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1259         (Sized_incremental_binary::Copy_reloc): New struct.
1260         (Sized_incremental_binary::Copy_relocs): New typedef.
1261         (Sized_incremental_binary::copy_relocs_): New data member.
1262         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1263         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1264         * target.h (Sized_target::emit_copy_reloc): New function.
1265         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1266
1267 2011-06-02  Cary Coutant  <ccoutant@google.com>
1268
1269         PR gold/12163
1270         * gold/archive.cc (Archive::Archive): Initialize new data member.
1271         (Archive::include_all_members): Return if archive has already been
1272         included.
1273         * gold/archive.h (Archive::include_all_members_): New data member.
1274
1275 2011-06-02  Nick Clifton  <nickc@redhat.com>
1276
1277         * dynobj.h: Fix spelling mistake in comment.
1278         * output.cc: Likewise.
1279
1280 2011-05-31  Doug Kwan  <dougkwan@google.com>
1281             Asier Llano
1282
1283         PR gold/12826
1284         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1285         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1286         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1287         redundant arm_exidx_test.so.
1288         * testsuite/Makefile.in: Regenerate.
1289         (check_SCRIPTS): Add pr12826.sh
1290         (check_DATA): Add pr12826.stdout
1291         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1292         * testsuite/pr12826.sh: New file.
1293         * testsuite/pr12826_1.s: Ditto.
1294         * testsuite/pr12826_1.s: Ditto.
1295
1296 2011-05-30  Ian Lance Taylor  <iant@google.com>
1297
1298         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1299         sections.
1300
1301 2011-05-29  Ian Lance Taylor  <iant@google.com>
1302
1303         PR gold/12804
1304         * testsuite/Makefile.am: Use different file name for two_file_test
1305         temporary file for each incremental test.
1306         * testsuite/Makefile.in: Rebuild.
1307
1308 2011-05-29  Ian Lance Taylor  <iant@google.com>
1309
1310         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1311         binary input file is empty.
1312
1313 2011-05-27  Ian Lance Taylor  <iant@google.com>
1314
1315         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1316         (ver_test_9.so): Likewise.
1317         * testsuite/Makefile.in: Rebuild.
1318
1319 2011-05-26 Cary Coutant  <ccoutant@google.com>
1320
1321         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1322         * incremental.cc (Incremental_inputs::report_input_section): Fix
1323         comment, indentation.
1324         (Incremental_inputs::report_comdat_group): New function.
1325         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1326         of data for incremental input file entry.
1327         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1328         group count, COMDAT group signatures.
1329         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1330         an unchanged input file.
1331         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1332         Initialize new data member.
1333         (Incremental_object_entry::add_comdat_group): New function.
1334         (Incremental_object_entry::get_comdat_group_count): New function.
1335         (Incremental_object_entry::get_comdat_signature_key): New function.
1336         (Incremental_object_entry::groups_): New data member.
1337         (Incremental_inputs::report_comdat_group): New function.
1338         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1339         data for incremental input file entry.
1340         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1341         (Incremental_input_entry_reader::get_input_section): Adjust size of
1342         data for incremental input file entry.
1343         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1344         (Incremental_input_entry_reader::get_comdat_group_signature): New
1345         function.
1346         * object.cc (Sized_relobj::include_section_group): Report kept
1347         COMDAT groups for incremental links.
1348
1349 2011-05-24  David Meyer  <pdox@google.com>
1350
1351         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1352         with name parameter.  Add found_name parameter.
1353         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1354         * dirsearch.h (class Dirsearch): Update declaration.
1355
1356 2011-05-24  Ian Lance Taylor  <iant@google.com>
1357
1358         * archive.cc (Library_base::should_include_member): Pull in object
1359         from archive if it defines the entry symbol.
1360         * parameters.cc (Parameters::entry): New function.
1361         * parameters.h (class Parameters): Declare entry.
1362         * output.h (class Output_file_header): Remove entry_ field.
1363         * output.cc (Output_file_header::Output_file_header): Remove entry
1364         parameter.  Change all callers.
1365         (Output_file_header::entry): Use parameters->entry.
1366         * gold.cc (queue_middle_tasks): Likewise.
1367         * plugin.cc (Plugin_hook::run): Likewise.
1368
1369 2011-05-24 Cary Coutant  <ccoutant@google.com>
1370
1371         * gold.cc (queue_initial_tasks): Pass incremental base filename
1372         to Output_file::open_base_file; don't print error message.
1373         * incremental-dump.cc (main): Adjust call to
1374         Output_file::open_for_modification.
1375         * incremental-dump.cc (main): Likewise.
1376         * incremental.cc (Incremental_inputs::report_command_line):
1377         Ignore --incremental-base option when comparing command lines.
1378         Ignore parameter when given as separate argument.
1379         * options.h (class General_options): Add --incremental-base.
1380         * output.cc (Output_file::Output_file):
1381         (Output_file::open_base_file): Add base_name and writable parameters;
1382         read base file into new file; print error message here.
1383         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1384         callers.
1385         * output.h (Output_file::open_for_modification): Rename to...
1386         (Output_file::open_base_file): ...this; add base_name and
1387         writable parameters; adjust all callers.
1388         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1389         callers.
1390         * testsuite/Makefile.am (incremental_test_4): Test
1391         --incremental-base.
1392         * testsuite/Makefile.in: Regenerate.
1393
1394 2011-05-24 Cary Coutant  <ccoutant@google.com>
1395
1396         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1397         incremental_test_4.
1398         * testsuite/Makefile.in: Regenerate.
1399         * testsuite/two_file_test_1_v1.cc: New test source file.
1400         * testsuite/two_file_test_1b_v1.cc: New test source file.
1401         * testsuite/two_file_test_2_v1.cc: New test source file.
1402
1403 2011-05-24 Cary Coutant  <ccoutant@google.com>
1404
1405         * dynobj.h (Dynobj::do_dynobj): New function.
1406         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1407         flag and soname for shared objects.
1408         * incremental.cc (Incremental_inputs::report_object): Make
1409         either Incremental_object_entry or Incremental_dynobj_entry; add
1410         soname to string table.
1411         (Incremental_inputs::report_input_section): Add assertion.
1412         (Output_section_incremental_inputs::set_final_data_size): Adjust
1413         type of input file entry for shared libraries; adjust size of
1414         shared library info entry.
1415         (Output_section_incremental_inputs::write_input_files): Write
1416         as_needed flag for shared libraries.
1417         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1418         of input file entry for shared libraries; write soname.
1419         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1420         soname from incremental info.
1421         * incremental.h (enum Incremental_input_flags): Add
1422         INCREMENTAL_INPUT_AS_NEEDED.
1423         (Incremental_input_entry::Incremental_input_entry): Initialize new
1424         data member.
1425         (Incremental_input_entry::set_as_needed): New function.
1426         (Incremental_input_entry::as_needed): New function.
1427         (Incremental_input_entry::do_dynobj_entry): New function.
1428         (Incremental_input_entry::as_needed_): New data member.
1429         (Incremental_object_entry::Incremental_object_entry): Don't check
1430         for shared library.
1431         (Incremental_object_entry::do_type): Likewise.
1432         (class Incremental_dynobj_entry): New class.
1433         (Incremental_input_entry_reader::as_needed): New function.
1434         (Incremental_input_entry_reader::get_soname): New function.
1435         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1436         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1437         size of shared library info entry.
1438         * layout.cc (Layout::finish_dynamic_section): Don't test for
1439         incremental link when adding DT_NEEDED entries.
1440         * object.h (Object::Object): Initialize new data member.
1441         (Object::dynobj): New function.
1442         (Object::set_as_needed): New function.
1443         (Object::as_needed): New function.
1444         (Object::do_dynobj): New function.
1445         (Object::as_needed_): New data member.
1446
1447 2011-05-24 Cary Coutant  <ccoutant@google.com>
1448
1449         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1450         info; adjust display of GOT entries.
1451         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1452         vector of input objects; remove file_status_.
1453         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1454         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1455         got_plt reader; call target hooks to reserve GOT entries.
1456         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1457         of input file info header and GOT info entry.
1458         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1459         relocation info.
1460         (Got_plt_view_info::got_descriptor): Remove.
1461         (Got_plt_view_info::sym_index): New data member.
1462         (Got_plt_view_info::input_index): New data member.
1463         (Local_got_offset_visitor::visit): Write input file index.
1464         (Global_got_offset_visitor::visit): Write 0 for input file index.
1465         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1466         with sym_index and input_index.
1467         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1468         incremental info GOT entry; replace got_descriptor with input_index.
1469         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1470         map from input file index to object.
1471         (Sized_relobj_incr::do_layout): Replace direct data member reference
1472         with accessor function.
1473         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1474         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1475         Adjust size of input file info header.
1476         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1477         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1478         (Incremental_input_entry_reader::get_input_section): Adjust size of
1479         input file info header.
1480         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1481         of incremental info GOT entry.
1482         (Incremental_got_plt_reader::get_got_desc): Remove.
1483         (Incremental_got_plt_reader::get_got_symndx): New function.
1484         (Incremental_got_plt_reader::get_got_input_index): New function.
1485         (Sized_incremental_binary::Sized_incremental_binary): Remove
1486         file_status_; add input_objects_.
1487         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1488         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1489         (Sized_incremental_binary::file_is_unchanged): Remove.
1490         (Sized_incremental_binary::set_input_object): New function.
1491         (Sized_incremental_binary::input_object): New function.
1492         (Sized_incremental_binary::file_status_): Remove.
1493         (Sized_incremental_binary::input_objects_): New data member.
1494         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1495         references.
1496         (Sized_relobj_incr::invalid_address): Move to base class.
1497         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1498         class.
1499         (Sized_relobj_incr::do_output_section_offset): Likewise.
1500         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1501         (Sized_relobj_incr::section_offsets_): Likewise.
1502         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1503         function.
1504         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1505         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1506         with accessor function.
1507         (Sized_relobj_file::do_layout): Likewise.
1508         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1509         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1510         (Sized_relobj_file::compute_final_local_value): Replace refs to
1511         section_offsets_ with accessor function.
1512         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1513         * object.h (Relobj::Relobj): Initialize new data members.
1514         (Relobj::add_dyn_reloc): New function.
1515         (Relobj::first_dyn_reloc): New function.
1516         (Relobj::dyn_reloc_count): New function.
1517         (Relobj::first_dyn_reloc_): New data member.
1518         (Relobj::dyn_reloc_count_): New data member.
1519         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1520         references.
1521         (Sized_relobj::Address): New typedef.
1522         (Sized_relobj::invalid_address): Move here from child class.
1523         (Sized_relobj::Sized_relobj): Initialize new data members.
1524         (Sized_relobj::sized_relobj): New function.
1525         (Sized_relobj::is_output_section_offset_invalid): Move here from
1526         child class.
1527         (Sized_relobj::get_output_section_offset): Likewise.
1528         (Sized_relobj::local_has_got_offset): Likewise.
1529         (Sized_relobj::local_got_offset): Likewise.
1530         (Sized_relobj::set_local_got_offset): Likewise.
1531         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1532         (Sized_relobj::clear_got_offsets): New function.
1533         (Sized_relobj::section_offsets): Move here from child class.
1534         (Sized_relobj::do_output_section_offset): Likewise.
1535         (Sized_relobj::do_set_section_offset): Likewise.
1536         (Sized_relobj::Local_got_offsets): Likewise.
1537         (Sized_relobj::local_got_offsets_): Likewise.
1538         (Sized_relobj::section_offsets_): Likewise.
1539         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1540         references.
1541         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1542         class.
1543         (Sized_relobj_file::sized_relobj): New function
1544         (Sized_relobj_file::local_has_got_offset): Move to base class.
1545         (Sized_relobj_file::local_got_offset): Likewise.
1546         (Sized_relobj_file::set_local_got_offset): Likewise.
1547         (Sized_relobj_file::get_output_section_offset): Likewise.
1548         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1549         (Sized_relobj_file::do_output_section_offset): Likewise.
1550         (Sized_relobj_file::do_set_section_offset): Likewise.
1551         (Sized_relobj_file::Local_got_offsets): Likewise.
1552         (Sized_relobj_file::local_got_offsets_): Likewise.
1553         (Sized_relobj_file::section_offsets_): Likewise.
1554         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1555         (all constructors).
1556         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1557         (Output_reloc::get_symbol_index): Likewise.
1558         (Output_reloc::local_section_offset): Likewise.
1559         (Output_reloc::get_address): Likewise.
1560         (Output_reloc::symbol_value): Likewise.
1561         (Output_data_got::reserve_slot): Move to class definition.
1562         (Output_data_got::reserve_local): New function.
1563         (Output_data_got::reserve_slot_for_global): Remove.
1564         (Output_data_got::reserve_global): New function.
1565         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1566         (all constructors, two instantiations).
1567         (Output_reloc::get_relobj): New function (two instantiations).
1568         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1569         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1570         (Output_data_reloc::add_global): Adjust type of relobj.
1571         (Output_data_reloc::add_global_relative): Likewise.
1572         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1573         (Output_data_reloc::add_local): Likewise.
1574         (Output_data_reloc::add_local_relative): Likewise.
1575         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1576         (Output_data_reloc::add_local_section): Likewise.
1577         (Output_data_reloc::add_output_section): Likewise.
1578         (Output_data_reloc::add_absolute): Likewise.
1579         (Output_data_reloc::add_target_specific): Likewise.
1580         (Output_data_got::reserve_slot): Move definition here.
1581         (Output_data_got::reserve_local): New function.
1582         (Output_data_got::reserve_global): New function.
1583         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1584         section_offsets_ with accessor function.
1585         (Sized_relobj_file::write_sections): Likewise.
1586         (Sized_relobj_file::do_relocate_sections): Likewise.
1587         * target.h (Sized_target::reserve_local_got_entry): New function.
1588         (Sized_target::reserve_global_got_entry): New function.
1589         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1590         (Target_x86_64::reserve_global_got_entry): New function.
1591         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1592
1593 2011-05-23 Cary Coutant  <ccoutant@google.com>
1594
1595         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1596         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1597         bit when checking got_type.
1598         * incremental.cc (Sized_incremental_binary::setup_readers):
1599         Store symbol table and string table locations; initialize bit vector
1600         of file status flags.
1601         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1602         unchanged files.
1603         (Sized_incremental_binary::do_process_got_plt): New function.
1604         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1605         (Output_section_incremental_inputs::set_final_data_size): Record
1606         file index for each input file.
1607         (Output_section_incremental_inputs::write_got_plt): Store file index
1608         instead of input entry offset for each GOT entry.
1609         * incremental.h
1610         (Incremental_input_entry::Incremental_input_entry): Initialize new
1611         data member.
1612         (Incremental_input_entry::set_offset): Store file index.
1613         (Incremental_input_entry::get_file_index): New function.
1614         (Incremental_input_entry::file_index_): New data member.
1615         (Incremental_binary::process_got_plt): New function.
1616         (Incremental_binary::do_process_got_plt): New function.
1617         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1618         data members.
1619         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1620         (Sized_incremental_binary::set_file_is_unchanged): New function.
1621         (Sized_incremental_binary::file_is_unchanged): New function.
1622         (Sized_incremental_binary::do_process_got_plt): New function.
1623         (Sized_incremental_binary::file_status_): New data member.
1624         (Sized_incremental_binary::main_symtab_loc_): New data member.
1625         (Sized_incremental_binary::main_strtab_loc_): New data member.
1626         * output.cc (Output_data_got::Got_entry::write): Add case
1627         RESERVED_CODE.
1628         (Output_data_got::add_global): Call add_got_entry.
1629         (Output_data_got::add_global_plt): Likewise.
1630         (Output_data_got::add_global_with_rel): Likewise.
1631         (Output_data_got::add_global_with_rela): Likewise.
1632         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1633         (Output_data_got::add_global_pair_with_rela): Likewise.
1634         (Output_data_got::add_local): Call add_got_entry.
1635         (Output_data_got::add_local_plt): Likewise.
1636         (Output_data_got::add_local_with_rel): Likewise.
1637         (Output_data_got::add_local_with_rela): Likewise.
1638         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1639         (Output_data_got::add_local_pair_with_rela): Likewise.
1640         (Output_data_got::reserve_slot): New function.
1641         (Output_data_got::reserve_slot_for_global): New function.
1642         (Output_data_got::add_got_entry): New function.
1643         (Output_data_got::add_got_entry_pair): New function.
1644         (Output_section::add_output_section_data): Edit FIXME.
1645         * output.h
1646         (Output_section_data_build::Output_section_data_build): New
1647         constructor with size parameter.
1648         (Output_data_space::Output_data_space): Likewise.
1649         (Output_data_got::Output_data_got): Initialize new data member; new
1650         constructor with size parameter.
1651         (Output_data_got::add_constant): Call add_got_entry.
1652         (Output_data_got::reserve_slot): New function.
1653         (Output_data_got::reserve_slot_for_global): New function.
1654         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1655         (Output_data_got::add_got_entry): New function.
1656         (Output_data_got::add_got_entry_pair): New function.
1657         (Output_data_got::free_list_): New data member.
1658         * target.h (Sized_target::init_got_plt_for_update): New function.
1659         (Sized_target::register_global_plt_entry): New function.
1660         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1661         Initialize new data member; call init; add constructor with PLT count.
1662         (Output_data_plt_x86_64::init): New function.
1663         (Output_data_plt_x86_64::add_relocation): New function.
1664         (Output_data_plt_x86_64::reserve_slot): New function.
1665         (Output_data_plt_x86_64::free_list_): New data member.
1666         (Target_x86_64::init_got_plt_for_update): New function.
1667         (Target_x86_64::register_global_plt_entry): New function.
1668         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1669         incremental updates.
1670         (Output_data_plt_x86_64::add_relocation): New function.
1671         * testsuite/object_unittest.cc (Object_test): Set default options.
1672
1673 2011-05-16  Ian Lance Taylor  <iant@google.com>
1674
1675         * options.h (class General_options): Make -i a synonym for -r.
1676
1677 2011-05-16  Ian Lance Taylor  <iant@google.com>
1678
1679         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1680
1681 2011-05-10 Cary Coutant  <ccoutant@google.com>
1682
1683         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1684         strip_all (-s).
1685
1686 2011-05-06  Ian Lance Taylor  <iant@google.com>
1687
1688         * layout.cc (Layout::layout): If the output section flags change,
1689         update the ordering.
1690
1691 2011-04-25 Cary Coutant  <ccoutant@google.com>
1692
1693         * incremental-dump.cc (dump_incremental_inputs): Print local
1694         symbol info for each input file.
1695         * incremental.cc
1696         (Output_section_incremental_inputs::set_final_data_size): Add local
1697         symbol info to input file entries in incremental info.
1698         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1699         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1700         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1701         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1702         implementation.
1703         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1704         (Sized_incr_relobj::do_relocate): Write the local symbols.
1705         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1706         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1707         Adjust size of input file header.
1708         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1709         (Incremental_inputs_reader::get_local_symbol_count): New function.
1710         (Incremental_inputs_reader::get_input_section): Adjust size of input
1711         file header.
1712         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1713         (Sized_incr_relobj::This): New typedef.
1714         (Sized_incr_relobj::sym_size): New const data member.
1715         (Sized_incr_relobj::Local_symbol): New struct.
1716         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1717         (Sized_incr_relobj::do_local_symbol_offset): New function.
1718         (Sized_incr_relobj::local_symbol_count_): New data member.
1719         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1720         (Sized_incr_relobj::local_symbol_index_): New data member.
1721         (Sized_incr_relobj::local_symbol_offset_): New data member.
1722         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1723         (Sized_incr_relobj::local_symbols_): New data member.
1724         * object.h (Relobj::output_local_symbol_count): New function.
1725         (Relobj::local_symbol_offset): New function.
1726         (Relobj::do_output_local_symbol_count): New function.
1727         (Relobj::do_local_symbol_offset): New function.
1728         (Sized_relobj::do_output_local_symbol_count): New function.
1729         (Sized_relobj::do_local_symbol_offset): New function.
1730
1731 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1732
1733         * descriptors.cc (set_close_on_exec): New function.
1734         (Descriptors::open): Use set_close_on_exec.
1735         * output.cc (S_ISLNK): Define if not defined.
1736
1737 2011-04-22 Cary Coutant  <ccoutant@google.com>
1738
1739         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1740         global symbol map.
1741         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1742         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1743         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1744         relocations.
1745         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1746         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1747         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1748         * incremental.h
1749         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1750         function.
1751         (Incremental_binary::apply_incremental_relocs): New function.
1752         (Incremental_binary::do_apply_incremental_relocs): New function.
1753         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1754         data member.
1755         (Sized_incremental_binary::add_global_symbol): New function.
1756         (Sized_incremental_binary::global_symbol): New function.
1757         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1758         (Sized_incremental_binary::symbol_map_): New data member.
1759         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1760         * target.h (Sized_target::apply_relocation): New function.
1761         * target-reloc.h (apply_relocation): New function.
1762         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1763
1764 2011-04-22  Doug Kwan  <dougkwan@google.com>
1765
1766         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1767         flag of a SHT_ARM_EXIDX section.
1768         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1769         * testsuite/Makefile.in: Regenerate.
1770         * testsuite/arm_exidx_test.s: New file.
1771         * testsuite/arm_exidx_test.sh: Same.
1772
1773 2011-04-20 Cary Coutant  <ccoutant@google.com>
1774
1775         PR gold/12689
1776         * archive.h (Incremental_archive_entry::Archive_member):
1777         Initialize arg_serial_ (second constructor).
1778
1779 2011-04-17  Ian Lance Taylor  <iant@google.com>
1780
1781         * object.cc (Relocate_info::location): Simplify location string.
1782         * errors.cc (Errors::error_at_location): Don't print program
1783         name.
1784         (Errors::warning_at_location): Likewise.
1785         (Errors::undefined_symbol): Likewise.
1786         * testsuite/debug_msg.sh: Update accordingly.
1787
1788 2011-04-14 Cary Coutant  <ccoutant@google.com>
1789
1790         * gold/layout.cc (Layout::symtab_section_offset): New function.
1791         * gold/layout.h (Layout::symtab_section_offset): New function.
1792         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1793
1794 2011-04-12  Ian Lance Taylor  <iant@google.com>
1795
1796         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1797         with MREMAP_MAYMOVE.
1798         * output.h (class Output_file): Add map_is_allocated_ field.
1799         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1800         not available, provide stubs.  If mremap is not available, #define
1801         it to gold_mremap.
1802         (MREMAP_MAYMOVE): Define if not defined.
1803         (Output_file::Output_file): Initialize map_is_allocated_.
1804         (Output_file::resize): Check map_is_allocated_.
1805         (Output_file::map_anonymous): If mmap fails, use malloc.
1806         (Output_file::unmap): Don't do anything for an anonymous map.
1807         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1808         is not available, provide stubs.
1809         (File_read::View::~View): Use free rather than delete[].
1810         (File_read::make_view): Use malloc rather than new[].  If mmap
1811         fails, use malloc.
1812         (File_read::find_or_make_view): Use malloc rather than new[].
1813         * gold.h: Remove HAVE_REMAP code.
1814         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1815         exists.  Rename mremap to gold_mremap.  If mmap is not available
1816         don't do anything.
1817         * configure, config.in: Rebuild.
1818
1819 2011-04-11  Ian Lance Taylor  <iant@google.com>
1820
1821         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1822         initialize local variable v.
1823
1824 2011-04-11  Cary Coutant  <ccoutant@google.com>
1825
1826         * archive.cc (Archive::include_member): Adjust call to
1827         report_object.
1828         (Add_archive_symbols::run): Track argument serial numbers.
1829         (Lib_group::include_member): Likewise.
1830         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1831         * archive.h (Incremental_archive_entry::Archive_member):
1832         Initialize arg_serial_.
1833         (Archive_member::arg_serial_): New data member.
1834         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1835         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1836         incremental link.
1837         (Sized_dynobj::do_for_all_local_got_entries): New function.
1838         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1839         function.
1840         * fileread.cc (get_mtime): New function.
1841         * fileread.h (get_mtime): New function.
1842         * gold.cc (queue_initial_tasks): Check for incremental update.
1843         (process_incremental_input): New function.
1844         (queue_middle_tasks): Don't force valid target for incremental
1845         update.
1846         * incremental-dump.cc (find_input_containing_global): Adjust
1847         size of symbol info entry.
1848         (dump_incremental_inputs): Dump argument serial number and
1849         in_system_directory flag; bias shndx by 1; print symbol names
1850         when dumping per-file symbol lists; use new symbol info readers.
1851         * incremental.cc
1852         (Output_section_incremental_inputs:update_data_size): New function.
1853         (Sized_incremental_binary::setup_readers): Setup input readers
1854         for each input file; build maps for files added from libraries
1855         and scripts.
1856         (Sized_incremental_binary::check_input_args): New function.
1857         (Sized_incremental_binary::do_check_inputs): Build map of argument
1858         serial numbers to input arguments.
1859         (Sized_incremental_binary::do_file_has_changed): Rename
1860         do_file_is_unchanged to this; compare file modification times.
1861         (Sized_incremental_binary::do_init_layout): New function.
1862         (Sized_incremental_binary::do_reserve_layout): New function.
1863         (Sized_incremental_binary::do_get_input_reader): Remove.
1864         (Sized_incremental_binary::get_symtab_view): New function.
1865         (Incremental_checker::can_incrementally_link_output_file): Remove.
1866         (Incremental_inputs::report_command_line): Exclude --debug options.
1867         (Incremental_inputs::report_archive_begin): Add parameter; track
1868         argument serial numbers; don't put input file entry for archive
1869         before archive members.
1870         (Incremental_inputs::report_archive_end): Put input file entry
1871         for archive after archive members.
1872         (Incremental_inputs::report_object): Add parameter; track argument
1873         serial numbers and in_system_directory flag.
1874         (Incremental_inputs::report_script): Add parameter; track argument
1875         serial numbers.
1876         (Output_section_incremental_inputs::set_final_data_size): Adjust
1877         size of symbol info entry; check for forwarding symbols.
1878         (Output_section_incremental_inputs::write_input_files): Write
1879         in_system_directory flag and argument serial number.
1880         (Output_section_incremental_inputs::write_info_blocks): Map section
1881         indices between incremental info and original input file; store
1882         input section index for each symbol.
1883         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1884         change operator() to visit().
1885         (class Global_got_offset_visitor): Likewise.
1886         (class Global_symbol_visitor_got_plt):
1887         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1888         classes.
1889         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1890         (Sized_incr_relobj::do_read_symbols): New function.
1891         (Sized_incr_relobj::do_layout): New function.
1892         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1893         (Sized_incr_relobj::do_add_symbols): New function.
1894         (Sized_incr_relobj::do_should_include_member): New function.
1895         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1896         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1897         (Sized_incr_relobj::do_section_size): New function.
1898         (Sized_incr_relobj::do_section_name): New function.
1899         (Sized_incr_relobj::do_section_contents): New function.
1900         (Sized_incr_relobj::do_section_flags): New function.
1901         (Sized_incr_relobj::do_section_entsize): New function.
1902         (Sized_incr_relobj::do_section_address): New function.
1903         (Sized_incr_relobj::do_section_type): New function.
1904         (Sized_incr_relobj::do_section_link): New function.
1905         (Sized_incr_relobj::do_section_info): New function.
1906         (Sized_incr_relobj::do_section_addralign): New function.
1907         (Sized_incr_relobj::do_initialize_xindex): New function.
1908         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1909         (Sized_incr_relobj::do_read_relocs): New function.
1910         (Sized_incr_relobj::do_gc_process_relocs): New function.
1911         (Sized_incr_relobj::do_scan_relocs): New function.
1912         (Sized_incr_relobj::do_count_local_symbols): New function.
1913         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1914         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1915         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1916         (Sized_incr_relobj::do_relocate): New function.
1917         (Sized_incr_relobj::do_set_section_offset): New function.
1918         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1919         (Sized_incr_dynobj::do_read_symbols): New function.
1920         (Sized_incr_dynobj::do_layout): New function.
1921         (Sized_incr_dynobj::do_add_symbols): New function.
1922         (Sized_incr_dynobj::do_should_include_member): New function.
1923         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1924         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1925         (Sized_incr_dynobj::do_section_size): New function.
1926         (Sized_incr_dynobj::do_section_name): New function.
1927         (Sized_incr_dynobj::do_section_contents): New function.
1928         (Sized_incr_dynobj::do_section_flags): New function.
1929         (Sized_incr_dynobj::do_section_entsize): New function.
1930         (Sized_incr_dynobj::do_section_address): New function.
1931         (Sized_incr_dynobj::do_section_type): New function.
1932         (Sized_incr_dynobj::do_section_link): New function.
1933         (Sized_incr_dynobj::do_section_info): New function.
1934         (Sized_incr_dynobj::do_section_addralign): New function.
1935         (Sized_incr_dynobj::do_initialize_xindex): New function.
1936         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1937         (make_sized_incremental_object): New function.
1938         (Incremental_library::copy_unused_symbols): New function.
1939         (Incremental_library::do_for_all_unused_symbols): New function.
1940         * incremental.h (enum Incremental_input_flags): New type.
1941         (class Incremental_checker): Remove.
1942         (Incremental_input_entry::Incremental_input_entry): Add argument
1943         serial number.
1944         (Incremental_input_entry::arg_serial): New function.
1945         (Incremental_input_entry::set_is_in_system_directory): New function.
1946         (Incremental_input_entry::is_in_system_directory): New function.
1947         (Incremental_input_entry::arg_serial_): New data member.
1948         (Incremental_input_entry::is_in_system_directory_): New data member.
1949         (class Script_info): Move here from script.h.
1950         (Script_info::Script_info): Add filename parameter.
1951         (Script_info::filename): New function.
1952         (Script_info::filename_): New data member.
1953         (Incremental_script_entry::Incremental_script_entry): Add argument
1954         serial number.
1955         (Incremental_object_entry::Incremental_object_entry): Likewise.
1956         (Incremental_object_entry::add_input_section): Build list of input
1957         sections with map to original shndx.
1958         (Incremental_object_entry::get_input_section_index): New function.
1959         (Incremental_object_entry::shndx_): New data member.
1960         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1961         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1962         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1963         serial number.
1964         (Incremental_inputs::report_archive_begin): Likewise.
1965         (Incremental_inputs::report_object): Likewise.
1966         (Incremental_inputs::report_script): Likewise.
1967         (class Incremental_global_symbol_reader): New class.
1968         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1969         and store flags and input file type.
1970         (Incremental_input_entry_reader::arg_serial): New function.
1971         (Incremental_input_entry_reader::type): Extract type from flags.
1972         (Incremental_input_entry_reader::is_in_system_directory): New function.
1973         (Incremental_input_entry_reader::get_input_section_count): Call
1974         accessor function for type.
1975         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1976         function for type; adjust size of global symbol entry.
1977         (Incremental_input_entry_reader::get_global_symbol_count): Call
1978         accessor function for type.
1979         (Incremental_input_entry_reader::get_object_count): Likewise.
1980         (Incremental_input_entry_reader::get_object_offset): Likewise.
1981         (Incremental_input_entry_reader::get_member_count): Likewise.
1982         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1983         (Incremental_input_entry_reader::get_member_offset): Likewise.
1984         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1985         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1986         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1987         (Incremental_input_entry_reader::get_global_symbol_reader): New
1988         function.
1989         (Incremental_input_entry_reader::get_output_symbol_index): New
1990         function.
1991         (Incremental_input_entry_reader::type_): Remove.
1992         (Incremental_input_entry_reader::flags_): New data member.
1993         (Incremental_inputs_reader::input_file_offset): New function.
1994         (Incremental_inputs_reader::input_file_index): New function.
1995         (Incremental_inputs_reader::input_file): Call input_file_offset.
1996         (Incremental_inputs_reader::input_file_at_offset): New function.
1997         (Incremental_relocs_reader::get_r_type): Reformat.
1998         (Incremental_relocs_reader::get_r_shndx): Reformat.
1999         (Incremental_relocs_reader::get_r_offset): Reformat.
2000         (Incremental_relocs_reader::data): New function.
2001         (Incremental_binary::Incremental_binary): Initialize new data members.
2002         (Incremental_binary::check_inputs): Add cmdline parameter.
2003         (Incremental_binary::file_is_unchanged): Remove.
2004         (Input_reader::arg_serial): New function.
2005         (Input_reader::get_unused_symbol_count): New function.
2006         (Input_reader::get_unused_symbol): New function.
2007         (Input_reader::do_arg_serial): New function.
2008         (Input_reader::do_get_unused_symbol_count): New function.
2009         (Input_reader::do_get_unused_symbol): New function.
2010         (Incremental_binary::input_file_count): New function.
2011         (Incremental_binary::get_input_reader): Change signature to use
2012         index instead of filename.
2013         (Incremental_binary::file_has_changed): New function.
2014         (Incremental_binary::get_input_argument): New function.
2015         (Incremental_binary::get_library): New function.
2016         (Incremental_binary::get_script_info): New function.
2017         (Incremental_binary::init_layout): New function.
2018         (Incremental_binary::reserve_layout): New function.
2019         (Incremental_binary::output_file): New function.
2020         (Incremental_binary::do_check_inputs): New function.
2021         (Incremental_binary::do_file_is_unchanged): Remove.
2022         (Incremental_binary::do_file_has_changed): New function.
2023         (Incremental_binary::do_init_layout): New function.
2024         (Incremental_binary::do_reserve_layout): New function.
2025         (Incremental_binary::do_input_file_count): New function.
2026         (Incremental_binary::do_get_input_reader): Change signature.
2027         (Incremental_binary::input_args_map_): New data member.
2028         (Incremental_binary::library_map_): New data member.
2029         (Incremental_binary::script_map_): New data member.
2030         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2031         new data members.
2032         (Sized_incremental_binary::output_section): New function.
2033         (Sized_incremental_binary::inputs_reader): Add const.
2034         (Sized_incremental_binary::symtab_reader): Add const.
2035         (Sized_incremental_binary::relocs_reader): Add const.
2036         (Sized_incremental_binary::got_plt_reader): Add const.
2037         (Sized_incremental_binary::get_symtab_view): New function.
2038         (Sized_incremental_binary::Inputs_reader): New typedef.
2039         (Sized_incremental_binary::Input_entry_reader): New typedef.
2040         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2041         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2042         (Sized_incremental_binary::do_file_has_changed): New function.
2043         (Sized_incremental_binary::do_init_layout): New function.
2044         (Sized_incremental_binary::do_reserve_layout): New function.
2045         (Sized_input_reader::Inputs_reader): Remove.
2046         (Sized_input_reader::Input_entry_reader): Remove.
2047         (Sized_input_reader::do_arg_serial): New function.
2048         (Sized_input_reader::do_get_unused_symbol_count): New function.
2049         (Sized_input_reader::do_get_unused_symbol): New function.
2050         (Sized_incremental_binary::do_input_file_count): New function.
2051         (Sized_incremental_binary::do_get_input_reader): Change signature;
2052         use index instead of filename.
2053         (Sized_incremental_binary::section_map_): New data member.
2054         (Sized_incremental_binary::input_entry_readers_): New data member.
2055         (class Sized_incr_relobj): New class.
2056         (class Sized_incr_dynobj): New class.
2057         (make_sized_incremental_object): New function.
2058         (class Incremental_library): New class.
2059         * layout.cc (Free_list::num_lists): New static data member.
2060         (Free_list::num_nodes): New static data member.
2061         (Free_list::num_removes): New static data member.
2062         (Free_list::num_remove_visits): New static data member.
2063         (Free_list::num_allocates): New static data member.
2064         (Free_list::num_allocate_visits): New static data member.
2065         (Free_list::init): New function.
2066         (Free_list::remove): New function.
2067         (Free_list::allocate): New function.
2068         (Free_list::dump): New function.
2069         (Free_list::print_stats): New function.
2070         (Layout_task_runner::run): Resize output file for incremental updates.
2071         (Layout::Layout): Initialize new data members.
2072         (Layout::set_incremental_base): New function.
2073         (Layout::init_fixed_output_section): New function.
2074         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2075         incremental updates.
2076         (Layout::create_gold_note): Do not create gold note section for
2077         incremental updates.
2078         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2079         for incremental updates.
2080         (Layout::set_section_offsets): For incremental updates, allocate space
2081         from free list.
2082         (Layout::create_symtab_sections): Layout with offsets relative to
2083         start of section; for incremental updates, allocate space from free
2084         list.
2085         (Layout::create_shdrs): For incremental updates, allocate space from
2086         free list.
2087         (Layout::finish_dynamic_section): For incremental updates, do not
2088         check --as-needed (fixed in subsequent patch).
2089         * layout.h (class Free_list): New class.
2090         (Layout::set_incremental_base): New function.
2091         (Layout::incremental_base): New function.
2092         (Layout::init_fixed_output_section): New function.
2093         (Layout::allocate): New function.
2094         (Layout::incremental_base_): New data member.
2095         (Layout::free_list_): New data member.
2096         * main.cc (main): Print Free_list statistics.
2097         * object.cc (Relobj::finalize_incremental_relocs): Add
2098         clear_counts parameter; clear counts only when clear_counts is set.
2099         (Sized_relobj::Sized_relobj): Initialize new base class.
2100         (Sized_relobj::do_layout): Don't report special sections.
2101         (Sized_relobj::do_for_all_local_got_entries): New function.
2102         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2103         symtab_off to all symbol table offsets.
2104         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2105         * object.h (class Got_offset_list): Move to top of file.
2106         (Object::Object): Allow case where input_file == NULL.
2107         (Object::~Object): Likewise.
2108         (Object::input_file): Assert that input_file != NULL.
2109         (Object::lock): Allow case where input_file == NULL.
2110         (Object::unlock): Likewise.
2111         (Object::is_locked): Likewise.
2112         (Object::token): Likewise.
2113         (Object::release): Likewise.
2114         (Object::is_incremental): New function.
2115         (Object::get_mtime): New function.
2116         (Object::for_all_local_got_entries): New function.
2117         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2118         (Object::set_is_in_system_directory): New function.
2119         (Object::is_in_system_directory): New function.
2120         (Object::do_is_incremental): New function.
2121         (Object::do_get_mtime): New function.
2122         (Object::do_for_all_local_got_entries): New function.
2123         (Object::is_in_system_directory_): New data member.
2124         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2125         (class Sized_relobj_base): New class.
2126         (class Sized_relobj): Derive from Sized_relobj_base.
2127         (class Sized_relobj::Symbols): Redeclare from base class.
2128         (class Sized_relobj::local_got_offset_list): Remove.
2129         (class Sized_relobj::Output_sections): Redeclare from base class.
2130         (class Sized_relobj::do_for_all_local_got_entries): New function.
2131         (class Sized_relobj::write_local_symbols): Add offset parameter.
2132         (class Sized_relobj::local_symbol_offset_): Update comment.
2133         (class Sized_relobj::local_dynsym_offset_): Update comment.
2134         * options.cc (Input_arguments::add_file): Remove const.
2135         * options.h (Input_file_argument::Input_file_argument):
2136         Initialize arg_serial_ (all constructors).
2137         (Input_file_argument::set_arg_serial): New function.
2138         (Input_file_argument::arg_serial): New function.
2139         (Input_file_argument::arg_serial_): New data member.
2140         (Input_arguments::Input_arguments): Initialize file_count_.
2141         (Input_arguments::add_file): Remove const.
2142         (Input_arguments::number_of_input_files): New function.
2143         (Input_arguments::file_count_): New data member.
2144         (Command_line::number_of_input_files): Call
2145         Input_arguments::number_of_input_files.
2146         * output.cc (Output_segment_headers::Output_segment_headers):
2147         Set current size.
2148         (Output_section::Input_section::current_data_size): New function.
2149         (Output_section::Output_section): Initialize new data members.
2150         (Output_section::add_input_section): Don't do merge sections for
2151         an incremental link; allocate space from free list for an
2152         incremental update.
2153         (Output_section::add_output_section_data): Allocate space from
2154         free list for an incremental update.
2155         (Output_section::update_data_size): New function.
2156         (Output_section::set_fixed_layout): New function.
2157         (Output_section::reserve): New function.
2158         (Output_segment::set_section_addresses): Remove const.
2159         (Output_segment::set_section_list_addresses): Remove const; allocate
2160         space from free list for an incremental update.
2161         (Output_segment::set_offset): Adjust size of RELRO segment for an
2162         incremental update.
2163         * output.h (Output_data::current_data_size): Move here from
2164         child classes.
2165         (Output_data::pre_finalize_data_size): New function.
2166         (Output_data::update_data_size): New function.
2167         (Output_section_headers::update_data_size): new function.
2168         (Output_section_data_build::current_data_size): Move to Output_data.
2169         (Output_data_strtab::update_data_size): New function.
2170         (Output_section::current_data_size): Move to Output_data.
2171         (Output_section::set_fixed_layout): New function.
2172         (Output_section::has_fixed_layout): New function.
2173         (Output_section::reserve): New function.
2174         (Output_section::update_data_size): New function.
2175         (Output_section::has_fixed_layout_): New data member.
2176         (Output_section::free_list_): New data member.
2177         (Output_segment::set_section_addresses): Remove const.
2178         (Output_segment::set_section_list_addresses): Remove const.
2179         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2180         New function.
2181         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2182         New function.
2183         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2184         parameter when calling Add_symbols constructor; store argument
2185         serial number for members of a lib group.
2186         (Add_symbols::locks): Allow case where token == NULL.
2187         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2188         (Read_member::~Read_member): New function.
2189         (Read_member::is_runnable): New function.
2190         (Read_member::locks): New function.
2191         (Read_member::run): New function.
2192         (Check_script::~Check_script): New function.
2193         (Check_script::is_runnable): New function.
2194         (Check_script::locks): New function.
2195         (Check_script::run): New function.
2196         (Check_library::~Check_library): New function.
2197         (Check_library::is_runnable): New function.
2198         (Check_library::locks): New function.
2199         (Check_library::run): New function.
2200         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2201         (Add_symbols::library_): New data member.
2202         (class Read_member): New class.
2203         (class Check_script): New class.
2204         (class Check_library): New class.
2205         * reloc.cc (Read_relocs::is_runnable): Allow case where
2206         token == NULL.
2207         (Read_relocs::locks): Likewise.
2208         (Scan_relocs::locks): Likewise.
2209         (Relocate_task::locks): Likewise.
2210         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2211         to clear counters.
2212         (Sized_relobj::incremental_relocs_scan): Fix comment.
2213         (Sized_relobj::do_relocate): Pass output file offset to
2214         write_local_symbols.
2215         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2216         from class declaration.
2217         * script.cc (read_input_script): Allocate Script_info; pass
2218         argument serial number to report_script.
2219         * script.h (class Script_info): Move to incremental.h.
2220         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2221         * symtab.h (Symbol_table::add_from_incrobj): New function.
2222         (Symbol_table::set_file_offset): New function.
2223
2224 2011-04-05  Cary Coutant  <ccoutant@google.com>
2225
2226         * incremental-dump.cc (dump_incremental_inputs): Change signature
2227         to take a Sized_incremental_binary; change caller.  Use readers
2228         in Sized_incremental_binary.
2229         * incremental.cc
2230         (Sized_incremental_binary::find_incremental_inputs_sections):
2231         Rename do_find_incremental_inputs_sections to this.
2232         (Sized_incremental_binary::setup_readers): New function.
2233         (Sized_incremental_binary::do_check_inputs): Check
2234         has_incremental_info_ flag; move setup code to setup_readers;
2235         use input readers.
2236         (Sized_incremental_binary::do_file_is_unchanged): New function.
2237         (Sized_incremental_binary::do_get_input_reader): New function.
2238         * incremental.h (class Incremental_binary): Move to end of file.
2239         (Incremental_binary::file_is_unchanged): New function.
2240         (Incremental_binary::do_file_is_unchanged): New function.
2241         (Incremental_binary::Input_reader): New class.
2242         (Incremental_binary::get_input_reader): New function.
2243         (class Sized_incremental_binary): Move to end of file.
2244         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2245         input section reader classes.
2246         (Sized_incremental_binary::has_incremental_info): New function.
2247         (Sized_incremental_binary::inputs_reader): New function.
2248         (Sized_incremental_binary::symtab_reader): New function.
2249         (Sized_incremental_binary::relocs_reader): New function.
2250         (Sized_incremental_binary::got_plt_reader): New function.
2251         (Sized_incremental_binary::do_file_is_unchanged): New function.
2252         (Sized_incremental_binary::Sized_input_reader): New class.
2253         (Sized_incremental_binary::get_input_reader): New function.
2254         (Sized_incremental_binary::find_incremental_inputs_sections):
2255         Rename do_find_incremental_inputs_sections to this.
2256         (Sized_incremental_binary::setup_readers): New function.
2257         (Sized_incremental_binary::has_incremental_info_): New data member.
2258         (Sized_incremental_binary::inputs_reader_): New data member.
2259         (Sized_incremental_binary::symtab_reader_): New data member.
2260         (Sized_incremental_binary::relocs_reader_): New data member.
2261         (Sized_incremental_binary::got_plt_reader_): New data member.
2262         (Sized_incremental_binary::current_input_file_): New data member.
2263
2264 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2265
2266         PR gold/12640
2267         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2268         violation.
2269
2270 2011-03-30  Cary Coutant  <ccoutant@google.com>
2271
2272         * archive.cc (Archive::include_member): Adjust call to report_object.
2273         (Add_archive_symbols::run): Add script_info to call to
2274         report_archive_begin.
2275         (Lib_group::include_member): Adjust call to report_object.
2276         (Add_lib_group_symbols::run): Adjust call to report_object.
2277         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2278         blocks.  Add object count for script input files.
2279         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2280         script_info parameter; change all callers.
2281         (Incremental_inputs::report_object): Add script_info parameter;
2282         change all callers.
2283         (Incremental_inputs::report_script): Store backpointer to
2284         incremental info entry.
2285         (Output_section_incremental_inputs::set_final_data_size): Record
2286         additional information for scripts.
2287         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2288         * incremental.h (Incremental_script_entry::add_object): New function.
2289         (Incremental_script_entry::get_object_count): New function.
2290         (Incremental_script_entry::get_object): New function.
2291         (Incremental_script_entry::objects_): New data member; adjust
2292         constructor.
2293         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2294         (Incremental_inputs::report_object): Add script_info parameter.
2295         (Incremental_inputs_reader::get_object_count): New function.
2296         (Incremental_inputs_reader::get_object_offset): New function.
2297         * options.cc (Input_arguments::add_file): Return reference to
2298         new input argument.
2299         * options.h (Input_argument::set_script_info): New function.
2300         (Input_argument::script_info): New function.
2301         (Input_argument::script_info_): New data member; adjust all
2302         constructors.
2303         (Input_file_group::add_file): Return reference to new input argument.
2304         (Input_file_lib::add_file): Likewise.
2305         (Input_arguments::add_file): Likewise.
2306         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2307         * script.cc (Parser_closure::Parser_closure): Add script_info
2308         parameter; adjust all callers.
2309         (Parser_closure::script_info): New function.
2310         (Parser_closure::script_info_): New data member.
2311         (read_input_script): Report scripts earlier to incremental info.
2312         (script_add_file): Set script_info in Input_argument.
2313         (script_add_library): Likewise.
2314         * script.h (Script_options::Script_info): Rewrite class.
2315
2316 2011-03-29  Cary Coutant  <ccoutant@google.com>
2317
2318         * archive.cc (Library_base::should_include_member): Move
2319         method here from class Archive.
2320         (Archive::Archive): Initialize base class.
2321         (Archive::should_include_member): Move to base class.
2322         (Archive::do_for_all_unused_symbols): New function.
2323         (Add_archive_symbols::run): Remove redundant access to
2324         incremental_inputs.
2325         (Lib_group::Lib_group): Initialize base class.
2326         (Lib_group::do_filename): New function.
2327         (Lib_group::include_member): Pass pointer to Lib_group to
2328         report_object.
2329         (Lib_group::do_for_all_unused_symbols): New function.
2330         (Add_lib_group_symbols::run): Report archive information for
2331         incremental links.
2332         * archive.h (class Library_base): New base class.
2333         (class Archive): Derive from Library_base.
2334         (Archive::filename): Move to base class.
2335         (Archive::set_incremental_info): Likewise.
2336         (Archive::incremental_info): Likewise.
2337         (Archive::Should_include): Likewise.
2338         (Archive::should_include_member): Likewise.
2339         (Archive::Armap_entry): Remove.
2340         (Archive::Unused_symbol_iterator): Remove.
2341         (Archive::unused_symbols_begin): Remove.
2342         (Archive::unused_symbols_end): Remove.
2343         (Archive::do_filename): New function.
2344         (Archive::do_get_mtime): New function.
2345         (Archive::do_for_all_unused_symbols): New function.
2346         (Archive::task_): Move to base class.
2347         (Archive::incremental_info_): Likewise.
2348         (class Lib_group): Derive from Library_base.
2349         (Lib_group::do_filename): New function.
2350         (Lib_group::do_get_mtime): New function.
2351         (Lib_group::do_for_all_unused_symbols): New function.
2352         (Lib_group::task_): Move to base class.
2353         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2354         function.
2355         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2356         function.
2357         * incremental.cc (Incremental_inputs::report_archive_begin):
2358         Use Library_base; call library's get_mtime; add incremental inputs
2359         entry before members.
2360         (class Unused_symbol_visitor): New class.
2361         (Incremental_inputs::report_archive_end): Use Library_base; use
2362         visitor class to record unused symbols; don't add incremental inputs
2363         entry after members.
2364         (Incremental_inputs::report_object): Use Library_base.
2365         * incremental.h
2366         (Incremental_archive_entry::Incremental_archive_entry): Remove
2367         unused Archive parameter.
2368         (Incremental_inputs::report_archive_begin): Use Library_base.
2369         (Incremental_inputs::report_archive_end): Likewise.
2370         (Incremental_inputs::report_object): Likewise.
2371         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2372         function.
2373         * object.h (Object::for_all_global_symbols): New function.
2374         (Object::do_for_all_global_symbols): New function.
2375         (Sized_relobj::do_for_all_global_symbols): New function.
2376         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2377         function.
2378         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2379         function.
2380
2381 2011-03-27  Ian Lance Taylor  <iant@google.com>
2382
2383         * archive.cc (Archive::interpret_header): Return -1 if something
2384         goes wrong.  Change callers accordingly.
2385
2386 2011-03-25  Cary Coutant  <ccoutant@google.com>
2387
2388         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2389         * testsuite/Makefile.in: Regenerate.
2390
2391 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2392
2393         * plugin.cc (get_view): New.
2394         (Plugin::load): Pass get_view to the plugin.
2395         (Plugin_manager::get_view): New.
2396
2397 2011-03-21  Ian Lance Taylor  <iant@google.com>
2398
2399         * testsuite/final_layout.sh: Rewrite to not use dc.
2400         * testsuite/relro_test.sh: Fail if dc is not present.
2401
2402 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2403
2404         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2405         Change == to -eq.
2406         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2407         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2408         Change == to -eq.
2409         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2410         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2411
2412 2011-03-14  Ian Lance Taylor  <iant@google.com>
2413
2414         * script-sections.cc (Sort_output_sections::script_compare):
2415         Rename from is_before, change return type.
2416         (Sort_output_sections::operator()): Adjust accordingly.
2417
2418 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2419
2420         PR gold/12572
2421         * testsuite/odr_violation2.cc: Add comment to make all error line
2422         numbers double digits.
2423         * testsuite/debug_msg.sh: Adjust expected errors.
2424
2425 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2426
2427         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2428         but mark earlier ones as non-canonical
2429         (offset_to_iterator): Update search target and example
2430         (do_addr2line): Return extra lines in a vector*
2431         (format_file_lineno): Extract from do_addr2line
2432         (one_addr2line): Add vector* out-param
2433         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2434         when a lineno entry appeared last for its instruction
2435         (Dwarf_line_info): Add vector* out-param
2436         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2437         * symtab.cc (Odr_violation_compare): Include the lineno in the
2438         comparison again.
2439         (linenos_from_loc): New. Combine the canonical line for an
2440         address with its other lines.
2441         (True_if_intersect): New. Helper functor to make
2442         std::set_intersection a query.
2443         (detect_odr_violations): Compare sets of lines instead of just
2444         one line for each function. This became less deterministic, but
2445         has fewer false positives.
2446         * symtab.h: Declarations.
2447         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2448         mix an optimized and non-optimized object in the same binary
2449         (odr_violation2.so): Same.
2450         * testsuite/Makefile.in: Regenerate from Makefile.am.
2451         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2452         * testsuite/debug_msg.sh: Update line numbers and add
2453         assertions.
2454         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2455         non-optimized context.
2456         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2457         isn't inlined, and use OdrDerived in an optimized context.
2458         * testsuite/odr_header1.h: Defines OdrDerived, where
2459         optimization will change the
2460         first-instruction-in-the-destructor's file and line number.
2461         * testsuite/odr_header2.h: Defines OdrBase.
2462
2463 2011-03-09  Ian Lance Taylor  <iant@google.com>
2464
2465         * fileread.cc (File_read::clear_views): Don't delete the whole
2466         file view.
2467
2468 2011-03-08  Ian Lance Taylor  <iant@google.com>
2469
2470         PR gold/12525
2471         * fileread.cc: #include <climits>.
2472         (GOLD_IOV_MAX): Define.
2473         (File_read::read_multiple): Limit number of entries by iov_max.
2474         * fileread.h (class File_read): Always set max_readv_entries to
2475         128.
2476
2477 2011-03-07  Ian Lance Taylor  <iant@google.com>
2478
2479         PR gold/12525
2480         * options.h (class General_options): Add -dy and -dn.
2481
2482 2011-03-02  Cary Coutant  <ccoutant@google.com>
2483
2484         * testsuite/script_test_9.t: Add TLS segment.
2485
2486 2011-03-02  Simon Baldwin  <simonb@google.com>
2487
2488         * configure.ac: Add check for gnu_indirect_function support in
2489         the toolchain building binutils.
2490         * configure: Rebuild.
2491
2492 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2493
2494         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2495         plugin only symbols.
2496         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2497         in plugin files as not needed in the symbol table.
2498
2499 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2500
2501         * output.cc (Output_section::add_input_section): Delay fill
2502         generation for section ordering.
2503
2504 2011-02-09  Ian Lance Taylor  <iant@google.com>
2505
2506         PR gold/12316
2507         * object.h (class Sized_relobj): Remove clear_local_symbols.
2508         * reloc.cc (Sized_relobj::do_relocate): Don't call
2509         clear_local_symbols.
2510
2511 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2512
2513         * plugin.cc (is_visible_from_outside): Return true for symbols
2514         in the -u option.
2515
2516 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2517
2518         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2519         filename.
2520
2521 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2522
2523         * icf.h (is_section_foldable_candidate): Change type of parameter
2524         to std::string.
2525         * icf.cc (Icf::find_identical_sections): Change type of local variable
2526         section_name to be std::string.
2527         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2528
2529 2011-01-25  Ian Lance Taylor  <iant@google.com>
2530
2531         * script.cc (script_add_extern): Rewrite to use
2532         add_symbol_reference.
2533
2534 2011-01-25  Doug Kwan  <dougkwan@google.com>
2535
2536         * icf.cc (get_section_contents): Always lock section's object.
2537
2538 2011-01-24  Ian Lance Taylor  <iant@google.com>
2539
2540         * options.h (class General_options): Accept
2541         --no-detect-odr-violations.
2542
2543 2011-01-24  Ian Lance Taylor  <iant@google.com>
2544
2545         * version.cc (version_string): Bump to 1.11.
2546
2547 2011-01-24  Ian Lance Taylor  <iant@google.com>
2548
2549         * plugin.cc (class Plugin_rescan): Define new class.
2550         (Plugin_manager::claim_file): Set any_claimed_.
2551         (Plugin_manager::save_archive): New function.
2552         (Plugin_manager::save_input_group): New function.
2553         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2554         necessary.
2555         (Plugin_manager::new_undefined_symbol): New function.
2556         (Plugin_manager::rescan): New function.
2557         (Plugin_manager::rescannable_defines): New function.
2558         (Plugin_manager::add_input_file): Set any_added_.
2559         * plugin.h (class Plugin_manager): define new fields rescannable_,
2560         undefined_symbols_, any_claimed_, and any_added_.  Declare
2561         Plugin_rescan as friend.  Declare new functions.
2562         (Plugin_manager::Rescannable): Define type.
2563         (Plugin_manager::Rescannable_list): Define type.
2564         (Plugin_manager::Undefined_symbol_list): Define type.
2565         (Plugin_manager::Plugin_manager): Initialize new fields.
2566         * archive.cc (Archive::defines_symbol): New function.
2567         (Add_archive_symbols::run): Pass archive to plugins if any.
2568         * archive.h (class Archive): Declare defines_symbol.
2569         * readsyms.cc (Input_group::~Input_group): New function.
2570         (Finish_group::run): Pass input_group to plugins if any.
2571         * readsyms.h (class Input_group): Declare destructor.
2572         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2573         any.
2574
2575 2011-01-10  Ian Lance Taylor  <iant@google.com>
2576
2577         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2578         section as relro.
2579         (Layout::set_segment_offsets): Reset increase_relro before calling
2580         set_section_addresses a second time.
2581
2582 2011-01-04  Cary Coutant  <ccoutant@google.com>
2583
2584         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2585         sections before NOBITS sections.
2586
2587 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2588
2589         * version.cc (print_version): Update copyright to 2011.
2590
2591 2010-12-23  Cary Coutant  <ccoutant@google.com>
2592
2593         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2594         of OS to this->add.  Add OD parameter to second form of the function.
2595
2596 2010-12-20  Ian Lance Taylor  <iant@google.com>
2597
2598         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2599         second of two consecutive entries with same offset.
2600
2601 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2602
2603         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2604         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2605         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2606         to avoid unneeded links against $(LDADD).
2607         * testsuite/Makefile.in: Regenerate.
2608
2609 2010-12-15  Ian Lance Taylor  <iant@google.com>
2610
2611         PR gold/12324
2612         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2613         for R_X86_64_32 and R_X86_64_PC32.
2614         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2615         ver_matching_def_pic.o.
2616         (ver_matching_def_pic.o): New target.
2617
2618 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2619
2620         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2621         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2622         Move definition before File_read::View member definitions.
2623         (File_read::View::~View): Initialize and hold lock before
2624         updating current_mapped_bytes.
2625
2626 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2627
2628         * dwarf_reader.cc: Remove outdated comment.
2629         * gold-threads.cc: Fix typo in error message.
2630         * archive.cc: Fix typos in comments.
2631         * archive.h: Likewise.
2632         * arm-reloc-property.cc: Likewise.
2633         * arm-reloc-property.h: Likewise.
2634         * arm-reloc.def: Likewise.
2635         * arm.cc: Likewise.
2636         * attributes.h: Likewise.
2637         * cref.cc: Likewise.
2638         * ehframe.cc: Likewise.
2639         * fileread.h: Likewise.
2640         * gold.h: Likewise.
2641         * i386.cc: Likewise.
2642         * icf.cc: Likewise.
2643         * incremental.h: Likewise.
2644         * int_encoding.cc: Likewise.
2645         * layout.h: Likewise.
2646         * main.cc: Likewise.
2647         * merge.h: Likewise.
2648         * object.cc: Likewise.
2649         * object.h: Likewise.
2650         * options.cc: Likewise.
2651         * readsyms.cc: Likewise.
2652         * reduced_debug_output.cc: Likewise.
2653         * reloc.cc: Likewise.
2654         * script-sections.cc: Likewise.
2655         * sparc.cc: Likewise.
2656         * symtab.h: Likewise.
2657         * target-reloc.h: Likewise.
2658         * target.cc: Likewise.
2659         * target.h: Likewise.
2660         * timer.cc: Likewise.
2661         * timer.h: Likewise.
2662         * x86_64.cc: Likewise.
2663
2664 2010-12-09  Cary Coutant  <ccoutant@google.com>
2665
2666         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2667         stack.
2668         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2669         parameter; change all callers.
2670         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2671         * options.h (warn_execstack): New option.
2672
2673 2010-12-07  Doug Kwan  <dougkwan@google.com>
2674
2675         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2676         like function call relocations.
2677
2678 2010-12-07  Ian Lance Taylor  <iant@google.com>
2679
2680         * archive.cc (Archive::get_elf_object_for_member): Permit
2681         punconfigured to be NULL.
2682         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2683         (Archive::include_member): Pass NULL to get_elf_object_for_member
2684         if we searched for the archive and this is the first included
2685         object.
2686
2687 2010-12-01  Ian Lance Taylor  <iant@google.com>
2688
2689         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2690         track_relocs_type_ field.
2691         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2692         Set track_relocs_type_.
2693         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2694         contents when using RELA relocs.
2695         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2696         reloc_map_.
2697         * reloc.cc (Track_relocs::next_addend): New function.
2698         * reloc.h (class Track_relocs): Declare next_addend.
2699
2700 2010-12-01  Ian Lance Taylor  <iant@google.com>
2701
2702         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2703         virtual destructor.
2704
2705 2010-12-01  Ian Lance Taylor  <iant@google.com>
2706
2707         * README: Update compilers known to work and fail.
2708
2709 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2710
2711         * configure.in: For --enable-gold, handle value `default' instead of
2712         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2713         not the default.
2714         * configure: Regenerate.
2715
2716 2010-11-18  Doug Kwan  <dougkwan@google.com>
2717
2718         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2719         and right_alignment to be zero.  Store result alignment only if it is
2720         greater than existing alignment.
2721
2722 2010-11-16  Cary Coutant  <ccoutant@google.com>
2723
2724         PR gold/12220
2725         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2726         Check for ".zdebug_line".
2727
2728 2010-11-16  Doug Kwan  <dougkwan@google.com>
2729             Cary Coutant  <ccoutant@google.com>
2730
2731         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2732         by reference; adjust all callers.
2733         * output.cc (Output_segment::set_section_addresses): Adjust references
2734         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2735         list is empty.
2736         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2737         end at page boundary.
2738
2739 2010-11-16  Cary Coutant  <ccoutant@google.com>
2740
2741         PR gold/12220
2742         * layout.cc (Layout::choose_output_section): Transform names of
2743         compressed sections even when using a script with a SECTIONS clause.
2744         (Layout::output_section_name): Remove code to transform
2745         compressed debug section names.
2746         * output.cc (Output_section::add_input_section): Use uncompressed
2747         section size when tracking input sections.
2748
2749 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2750
2751         * symtab.h (Symbol::NON_PIC_REF): Remove.
2752         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2753         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2754         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2755         (Symbol::use_plt_offset): Take a flags argument and pass it
2756         directly to needs_dynamic_reloc.  Restrict check for undefined
2757         weak symbols to function calls.
2758         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2759         (Target_arm::Scan::global): Use it.
2760         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2761         (Target_arm::Relocate::relocate): Likewise.
2762         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2763         parameter with an r_type parameter.  Use get_reference_flags
2764         to get the flags.
2765         (Target_arm::Relocate::relocate): Update accordingly.
2766         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2767         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2768         (Target_i386::Scan::global): Likewise.
2769         (Target_i386::Relocate::relocate): Likewise.
2770         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2771         parameter with an r_type parameter.  Use get_reference_flags
2772         to get the flags.
2773         (Target_i386::Relocate::relocate): Update accordingly.
2774         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2775         (Target_powerpc::Scan::global): Use it.
2776         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2777         (Target_powerpc::Relocate::relocate): Likewise.
2778         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2779         (Target_sparc::Scan::global): Use it.
2780         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2781         (Target_sparc::Relocate::relocate): Likewise.
2782         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2783         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2784         (Target_x86_64::Scan::global): Likewise.
2785         (Target_x86_64::Relocate::relocate): Likewise.
2786
2787 2010-11-08  Doug Kwan  <dougkwan@google.com>
2788             Cary Coutant  <ccoutant@google.com>
2789
2790         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2791         (Arm_exidx_merge_section::section_contents_): New data member.
2792         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2793         (Arm_input_section::~Arm_input_section): De-allocate memory.
2794         (Arm_input_section::original_contents_): New data member.
2795         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2796         in parameters instead of calling Object::section_contents without
2797         locking.
2798         (Arm_output_section::group_section): New parameter TASK.  Pass it
2799         to callees that need locking objects.
2800         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2801         to lock EXIDX input sections.  Fix a formatting issue.  Call
2802         Arm_exidx_merged_section::build_contents to create merged section
2803         contents.
2804         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2805         to lock object of stub table owner.
2806         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2807         TEXT_SIZE to initialize data member TEXT_SIZE_.
2808         (Arm_exidx_input_section::addralign): Fix typo in comment.
2809         (Arm_exidx_input_section::text_size): New method.
2810         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2811         that require locking objects.  Lock objects before scanning for stubs
2812         and updating local symbols.
2813         (Arm_input_section<big_endian>::init): Copy contents of original
2814         input section.
2815         (Arm_input_section<big_endian>::do_write): Use saved contents of
2816         original input section instead of calling Object::section_contents
2817         without locking.
2818         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2819         size without calling Object::section_size().
2820         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2821         for size.  Allocate a buffer for merged EXIDX entries.
2822         (Arm_exidx_merged_section::build_contents): New method.
2823         (Arm_exidx_merged_section::do_write): Move merge section contents
2824         building code to Arm_exidx_merged_section::build_contetns.  Write
2825         out contetns in buffer instead of building it on the fly.
2826         (Arm_relobj::make_exidx_input_section): Also pass text section size
2827         to Arm_exidx_input_section constructor.
2828         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2829         (Arm_dynobj::do_read_symbols): Fix memory leak.
2830         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2831         * target.h: (class Task): Add forward declaration.
2832         (Target::relax): Add new parameter TASK and pass it to
2833         Target::do_relax().
2834         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2835
2836 2010-11-05  Cary Coutant  <ccoutant@google.com>
2837
2838         PR gold/10708
2839         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2840         object when reading from the file.
2841         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2842         second layout pass.
2843         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2844         when reading section contents.
2845         (get_section_contents): Likewise.
2846         (icf::find_identical_sections): Likewise.
2847         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2848         object when reading from the file.
2849         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2850         the object when doing deferred section layout.
2851
2852 2010-11-03  Nick Clifton  <nickc@redhat.com>
2853
2854         PR gold/12001
2855         * script.h (class Symbol_assignment: name): New member.  Returns
2856         the name of the symbol.
2857         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2858         Returns true if the given symbol name is on the list of
2859         assignments wating to be processed.
2860         * archive.cc (should_incldue_member): If the symbol is undefined,
2861         check to see if it is on the list of symbols pending assignment.
2862
2863 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2864
2865         * script-sections.cc (Script_sections::find_memory_region): Check
2866         for a NULL output section pointer.
2867
2868 2010-10-29  Doug Kwan  <dougkwan@google.com>
2869
2870         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2871         Output_section::add_relaxed_input_section.
2872         * output.cc (Output_section::add_relaxed_input_section): Add new
2873         arguments LAYOUT and NAME.  Set section order index.
2874         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2875         Copy section order index.
2876         * output.h (Output_section::add_relaxed_input_section): Add new
2877         arguments LAYOUT and NAME.
2878
2879 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2880
2881         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2882         NATIVE_OR_CROSS_LINKER.
2883         * testsuite/Makefile.in: Regenerate.
2884
2885 2010-10-20  Doug Kwan  <dougkwan@google.com>
2886
2887         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2888         without SHF_LINK_ORDER flags.
2889         * layout.cc (Layout::choose_output_section): Do not filter
2890         SHF_LINK_ORDER flag in a relocatable link.
2891
2892 2010-10-17  Cary Coutant  <ccoutant@google.com>
2893
2894         * output.h (Output_segment::set_section_addresses): Change function
2895         signature.  Update all callers.
2896         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2897         sections.
2898         (Output_segment::set_section_addresses): Align after last TLS
2899         section.  Add padding before last relro section instead of after.
2900
2901 2010-10-17  Doug Kwan  <dougkwan@google.com>
2902
2903         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2904         GOT output section to be writable.
2905
2906 2010-10-14  Cary Coutant  <ccoutant@google.com>
2907
2908         * debug.h (DEBUG_INCREMENTAL): New flag.
2909         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2910         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2911         mode.
2912         * incremental.cc (report_command_line): Ignore all forms of
2913         --incremental.
2914         * layout.cc (Layout::Layout): Check parameters for incremental link
2915         mode.
2916         * options.cc (General_options::parse_incremental): New function.
2917         (General_options::parse_no_incremental): New function.
2918         (General_options::parse_incremental_full): New function.
2919         (General_options::parse_incremental_update): New function.
2920         (General_options::incremental_mode_): New data member.
2921         (General_options::finalize): Check incremental_mode_.
2922         * options.h (General_options): Update help text for --incremental.
2923         Add --no-incremental, --incremental-full, --incremental-update.
2924         (General_options::Incremental_mode): New enum type.
2925         (General_options::incremental_mode): New function.
2926         (General_options::incremental_mode_): New data member.
2927         * parameters.cc (Parameters::incremental_mode_): New data member.
2928         (Parameters::set_options): Set incremental_mode_.
2929         (Parameters::set_incremental_full): New function.
2930         (Parameters::incremental): New function.
2931         (Parameters::incremental_update): New function.
2932         (set_parameters_incremental_full): New function.
2933         * parameters.h (Parameters::set_incremental_full): New function.
2934         (Parameters::incremental): New function.
2935         (Parameters::incremental_update): New function.
2936         (Parameters::incremental_mode_): New data member.
2937         (set_parameters_incremental_full): New function.
2938         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2939         incremental link mode.
2940         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2941         (Sized_relobj::do_relocate_sections): Likewise.
2942         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2943         option.
2944         * testsuite/Makefile.in: Regenerate.
2945         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2946
2947 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2948
2949         * script-sections.h (class Script_sections): Make
2950         Sections_elements typedef public.
2951         * script-sections.cc (class Sort_output_sections): Add elements_
2952         field.  Add constructor which sets it; change all callers.
2953         (Sort_output_sections::is_before): New function.
2954         (Sort_output_sections::operator()): Call is_before.
2955         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2956         conditional.
2957         * testsuite/script_test_10.sh: New test. Test script section
2958         order.
2959         * testsuite/script_test_10.t: Likewise.
2960         * testsuite/script_test_10.s: Likewise.
2961         * testsuite/Makefile.am: Wrap the cross linker tests and the
2962         common tests into NATIVE_OR_CROSS_LINKER.
2963         (check_SCRIPTS): Add script_test_10.sh.
2964         (check_DATA): Add script_test_10.stdout.
2965         (script_test_10.o, script_test_10): New targets.
2966         (script_test_10.stdout): New target.
2967         * configure, testsuite/Makefile.in: Regenerate.
2968
2969 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2970
2971         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2972         error for the deprecated relocations.
2973         (Target_arm::Scan::global): Likewise.
2974         (Target_arm::Relocate::relocate): Likewise.
2975
2976 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2977
2978         * fileread.cc (Input_file::find_file): Initialize *found_name
2979         and *namep when using the fallback search for case 4.
2980
2981 2010-10-11  Cary Coutant  <ccoutant@google.com>
2982
2983         * options.h (class General_options): Redefine -z lazy as an alias for
2984         the negation of -z now.
2985
2986 2010-10-11  Ian Lance Taylor  <iant@google.com>
2987
2988         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2989         binding.
2990
2991 2010-10-06  Nick Clifton  <nickc@redhat.com>
2992
2993         * script-sections.cc(class Memory_region): Remove
2994         current_lma_offset_ field.  Rename current_vma_offset_ to
2995         current_offset_.  Add last_section_ field.
2996         (Memory_region::get_current_vma_address): Rename to
2997         get_current_address.
2998         (Memory_region::get_current_lma_address): Delete.
2999         (Memory_region::increment_vma_offset): Rename to
3000         increment_offset.
3001         (Memory_region::increment_lma_offset): Delete.
3002         (Memory_region::attributes_compatible): New method.  Returns
3003         true if the provided section is compatible with the region.
3004         (Memory_region::get_last_section): New method.  Returns the last
3005         section to use the region.
3006         (Memory_region::set_last_section): New method.  Stores the last
3007         section to use the region.
3008         (Script_sections::block_in_region): New method.  Returns true if
3009         a block of memory is contained within a region.
3010         (Script_sections::find_memory_region): New method.  Locates a
3011         memory region to be used to set a VMA or LMA address.
3012         (Output_section_definition::set_section_addresses): Add code to
3013         check for addresses set by memory regions.
3014         (Output_segment::set_section_addresses): Remove memory region
3015         walking code.
3016         (Script_sections::create_segment): Add a warning if a header
3017         segment is created outside of any region.
3018         * script-sections.h (class Script_sections): Add prototypes for
3019         find_memory_region and block_in_region methods.
3020         * testsuite/memory_test.s: Use .long instead of .word.
3021         * testsuite/memory_test.t: Add some more output sections.
3022         * testsuite/memory_test.sh: Update expected output.
3023
3024 2010-10-02  Doug Kwan  <dougkwan@google.com>
3025
3026         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3027         defintion to symtab.h
3028         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3029         declaration to defintion.
3030
3031 2010-10-01  Nick Clifton  <nickc@redhat.com>
3032
3033         * expression.cc (eval): Replace dummy argument with NULL.
3034         (eval_maybe_dot): Check for a NULL result section pointer.
3035         (Symbol_expression::value): Likewise.
3036         (Dot_expression::value): Likewise.
3037         (BINARY_EXPRESSION): Likewise.
3038         (Max_expression::value): Likewise.
3039         (Min_expression::value): Likewise.
3040         (Absolute_expression::value): Likewise.
3041         (Addr_expression::value_from_output_section): Likewise.
3042         (Loaddddr_expression::value_from_output_section): Likewise.
3043         (Segment_start_expression::value): Likewise.
3044         * script-sections.cc
3045         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3046         argument with NULL.
3047         (Sections_elememt_dot_assignment::set_section_addresses):
3048         Likewise.
3049         (Output_data_expression::do_write_to_buffer): Likewise.
3050         (Output_section_definition::finalize_symbols): Likewise.
3051         (Output_section_definition::set_section_addresses): Likewise.
3052
3053 2010-09-30  Doug Kwan  <dougkwan@google.com>
3054
3055         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3056
3057 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3058
3059         * target.h (Target::can_icf_inline_merge_sections): New virtual
3060         function.
3061         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3062         virtual function.
3063         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3064         virtual function.
3065         * icf.cc (get_section_contents): Inline merge sections only when
3066         target allows it.
3067
3068 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3069
3070         * configure: Regenerate.
3071
3072 2010-09-17  Ian Lance Taylor  <iant@google.com>
3073
3074         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3075         * testsuite/Makefile.am (memory_test.o): New target.
3076         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3077         memory_test.t.
3078         * testsuite/Makefile.in: Rebuild.
3079
3080 2010-09-17  Doug Kwan  <dougkwan@google.com>
3081
3082         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3083         defintion if relocation uses GOT entries of the symbol.
3084         * testsuite/icf_safe_test.sh: Fix test.
3085         * testsuite/icf_safe_so_test.sh: Fix test.
3086
3087 2010-09-16  Cary Coutant  <ccoutant@google.com>
3088
3089         * script_sections.cc (class Memory_region): Remove "NULL" from
3090         vector initializations.
3091
3092 2010-09-15  Cary Coutant  <ccoutant@google.com>
3093
3094         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3095         Resolve forwarding symbols.
3096
3097 2010-09-15  Doug Kwan  <dougkwan@google.com>
3098
3099         * gold/testsuite/script_test_3.t: Add ARM special sections.
3100         * gold/testsuite/script_test_4.t: Same.
3101         * gold/testsuite/script_test_5.t: Same.
3102         * gold/testsuite/script_test_6.t: Same.
3103         * gold/testsuite/script_test_7.t: Same.
3104         * gold/testsuite/script_test_7.t: Same.
3105         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3106
3107 2010-09-14  Cary Coutant  <ccoutant@google.com>
3108
3109         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3110         (Target_x86_64::Relocate::relocate_tls): Replace check for
3111         saw_tls_block_reloc_ with test for executable section.
3112
3113 2010-09-12  Cary Coutant  <ccoutant@google.com>
3114
3115         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3116         position-independent executables to shared libraries need dynamic
3117         relocations.
3118         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3119         position-independent executables.
3120         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3121         * testsuite/Makefile.in: Regenerate.
3122
3123 2010-09-10  Nick Clifton  <nickc@redhat.com>
3124
3125         PR gold/11997
3126         * testsuite/memory_test.t: Discard any sections that are not
3127         needed.
3128
3129 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3130
3131         PR gold/11996
3132         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3133         "This::" to work around a bug in gcc 4.2.
3134
3135         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3136
3137 2010-09-09  Rafael Espindola  <espindola@google.com>
3138
3139         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3140         sections with different PF_X flags in the same segment.
3141         (Layout::find_first_load_seg): Search all segments to find the first
3142         one.
3143         * options.h (rosegment): New.
3144
3145 2010-09-08  Rafael Espindola  <espindola@google.com>
3146
3147         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3148
3149 2010-09-08  Doug Kwan  <dougkwan@google.com>
3150
3151         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3152         (Arm_relobj::do_relocate_sections): Add new parameter for output
3153         file to match the parent.
3154         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3155         of local symbols instead of input values.  Update code to track
3156         changes in gold::relocate_section.
3157         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3158         (Sized_relobj::compute_final_local_value_internal): New methods.
3159         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3160         body into private version of Sized_relobj::compute_final_local_value.
3161         Call the inline method.
3162         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3163         merged symbol value if there is one.
3164         (Symbol_value::has_output_value): New method defintiion.
3165         (Sized_relobj::Compute_final_local_value_status): New enum type.
3166         (Sized_relobj::compute_final_local_value): New methods.
3167         (Sized_relobj::compute_final_local_value_internal): New methods.
3168         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3169         and arm_cortex_a8.sh.
3170         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3171         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3172         New tests.
3173         * Makefile.in: Regenerate.
3174         * testsuite/arm_bl_out_of_range.s: Update test.
3175         * testsuite/thumb_bl_out_of_range.s: Ditto.
3176         * testsuite/thumb_blx_out_of_range.s: Ditto.
3177         * testsuite/arm_branch_out_of_range.sh: New file.
3178         * testsuite/arm_cortex_a8.sh: Ditto.
3179         * testsuite/arm_cortex_a8_b.s: Ditto.
3180         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3181         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3182         * testsuite/arm_cortex_a8_bl.s: Ditto.
3183         * testsuite/arm_cortex_a8_blx.s: Ditto.
3184         * testsuite/arm_cortex_a8_local.s: Ditto.
3185         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3186         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3187
3188 2010-09-08  Rafael Espindola  <espindola@google.com>
3189
3190         * Makefile.am (memory_test.stdout): Run readelf with -W.
3191         * Makefile.in: Regenerate.
3192         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3193         64 bit output.
3194
3195 2010-09-08  Rafael Espindola  <espindola@google.com>
3196
3197         * script-sections.cc (Script_sections::add_memory_region): Convert
3198         field precision to int.
3199         * script.cc (script_set_section_region, script_set_section_region):
3200         Convert field precision to int.
3201
3202 2010-09-08  Rafael Espindola  <espindola@google.com>
3203
3204         * arm.cc (do_finalize_sections): Create the __exidx_start and
3205         __exdix_end symbols even when the section is missing.
3206
3207 2010-09-08  Nick Clifton  <nickc@redhat.com>
3208
3209         * README: Remove claim that MEMORY is not supported.
3210         * expression.cc (script_exp_function_origin)
3211         (script_exp_function_length): Move from here to ...
3212         * script.cc: ... here.
3213         (script_set_section_region, script_add_memory)
3214         (script_parse_memory_attr, script_include_directive): New
3215         functions.
3216         * script-sections.cc
3217         (class Memory_region): New class.
3218         (class Output_section_definition): Add set_memory_region,
3219         set_section_vma, set_section_lma and get_section_name methods.
3220         (class Script_Sections): Add add_memory_region,
3221         find_memory_region, find_memory_region_origin,
3222         find_memory_region_length and set_memory_region methods.
3223         Have set_section_addresses method walk the list of set memory
3224         regions.
3225         Extend the print methos to display memory regions.
3226         * script-sections.h: Add prototypes for new methods.
3227         Add enum for MEMORY region attributes.
3228         * yyscript.y: Add support for parsing MEMORY regions.
3229         * script-c.h: Add prototypes for new functions.
3230         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3231         * testsuite/Makefile.in: Regenerate.
3232         * testsuite/memory_test.sh: New script.
3233         * testsuite/memory_test.s: New assembler source file.
3234         * testsuite/memory_test.t: New linker script.
3235
3236 2010-08-27  Doug Kwan  <dougkwan@google.com>
3237
3238         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3239         reference override an existing dynamic weak reference.
3240         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3241         * testsuite/Makefile.in: Regenerate.
3242         * testsuite/dyn_weak_ref.sh: New file.
3243         * testsuite/dyn_weak_ref_1.c: Ditto.
3244         * testsuite/dyn_weak_ref_2.c: Ditto.
3245
3246 2010-08-27  Ian Lance Taylor  <iant@google.com>
3247
3248         * incremental.h (class Incremental_input_entry): Add virtual
3249         destructor.
3250
3251 2010-08-27  Ian Lance Taylor  <iant@google.com>
3252
3253         * testsuite/start_lib_test_3.c: Mark t3 as used.
3254
3255 2010-08-27  Nick Clifton  <nickc@redhat.com>
3256
3257         * options.cc (version_script): Fix small typo in previous
3258         whitespace tidyup.
3259
3260 2010-08-25  Nick Clifton  <nickc@redhat.com>
3261
3262         * archive.cc: Formatting fixes: Remove whitespace between
3263         typename and following asterisk.  Remove whitespace between
3264         function name and opening parenthesis.
3265         * archive.h: Likewise.
3266         * arm.cc: Likewise.
3267         * attributes.cc: Likewise.
3268         * attributes.h: Likewise.
3269         * common.cc: Likewise.
3270         * copy-relocs.cc: Likewise.
3271         * dirsearch.h: Likewise.
3272         * dynobj.cc: Likewise.
3273         * ehframe.cc: Likewise.
3274         * ehframe.h: Likewise.
3275         * expression.cc: Likewise.
3276         * fileread.cc: Likewise.
3277         * fileread.h: Likewise.
3278         * gc.h: Likewise.
3279         * gold-threads.cc: Likewise.
3280         * gold.cc: Likewise.
3281         * i386.cc: Likewise.
3282         * icf.h: Likewise.
3283         * incremental-dump.cc: Likewise.
3284         * incremental.cc: Likewise.
3285         * layout.cc: Likewise.
3286         * layout.h: Likewise.
3287         * main.cc: Likewise.
3288         * merge.cc: Likewise.
3289         * merge.h: Likewise.
3290         * object.cc: Likewise.
3291         * object.h: Likewise.
3292         * options.cc: Likewise.
3293         * options.h: Likewise.
3294         * output.cc: Likewise.
3295         * output.h: Likewise.
3296         * plugin.cc: Likewise.
3297         * plugin.h: Likewise.
3298         * powerpc.cc: Likewise.
3299         * reloc.cc: Likewise.
3300         * script-c.h: Likewise.
3301         * script-sections.cc: Likewise.
3302         * script.cc: Likewise.
3303         * stringpool.cc: Likewise.
3304         * symtab.cc: Likewise.
3305         * symtab.h: Likewise.
3306         * target.cc: Likewise.
3307         * timer.cc: Likewise.
3308         * timer.h: Likewise.
3309         * version.cc: Likewise.
3310         * x86_64.cc: Likewise.
3311
3312 2010-08-24  Nick Clifton  <nickc@redhat.com>
3313
3314         PR 11899
3315         * layout.cc (segment_precedes): Sort segments by their physical
3316         addresses, if they have been set.
3317
3318 2010-08-23  Cary Coutant  <ccoutant@google.com>
3319
3320         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3321         symbols data.
3322         (Lib_group::include_member): Unlock object after deleting its
3323         symbols data.
3324         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3325         the bug fixed here.
3326
3327 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3328             Cary Coutant  <ccoutant@google.com>
3329
3330         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3331         constructor, and set_blocker.
3332         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3333         readsyms_blocker_.
3334         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3335         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3336         * testsuite/Makefile.am (start_lib_test): New test case.
3337         * testsuite/Makefile.in: Regenerate.
3338         * testsuite/start_lib_test_main.c: New file.
3339         * testsuite/start_lib_test_1.c: New file.
3340         * testsuite/start_lib_test_2.c: New file.
3341         * testsuite/start_lib_test_3.c: New file.
3342
3343 2010-08-19  Ian Lance Taylor  <iant@google.com>
3344
3345         * Makefile.in: Rebuild with automake 1.11.1.
3346         * aclocal.m4: Likewise.
3347         * testsuite/Makefile.in: Likewise.
3348
3349 2010-08-19  Ian Lance Taylor  <iant@google.com>
3350
3351         PR 10893
3352         * i386.cc (class Output_data_plt_i386): Update declarations.
3353         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3354         local_ifuncs_ fields.
3355         (Target_i386::do_plt_section_for_global): New function.
3356         (Target_i386::do_plt_section_for_local): New function.
3357         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3358         parameter; change all callers.  Initialize global_ifuncs_ and
3359         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3360         __rel_iplt_end.
3361         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3362         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3363         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3364         symbols.
3365         (Target_i386::make_plt_section): New function, broken out of
3366         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3367         (Target_i386::make_plt_entry): Call make_plt_section.
3368         (Target_i386::make_local_ifunc_plt_entry): New function.
3369         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3370         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3371         R_386_IRELATIVE to switch.
3372         (Target_i386::Scan::global): Likewise.
3373         (Target_i386::Relocate::relocate): Likewise.
3374         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3375         switch.
3376         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3377         (Target_x86_64::do_plt_section_for_global): New function.
3378         (Target_x86_64::do_plt_section_for_local): New function.
3379         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3380         parameter; change all callers.  If doing a static link define
3381         __rela_iplt_start and __rela_iplt_end.
3382         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3383         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3384         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3385         to point to .plt.
3386         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3387         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3388         switch.
3389         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3390         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3391         R_X86_64_IRELATIVE to switch.
3392         (Target_x86_64::Scan::global): Likewise.
3393         (Target_x86_64::Relocate::relocate): Likewise.
3394         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3395         switch.
3396         * target.h (class Target): Add plt_section_for_global and
3397         plt_section_for_local functions.  Add do_plt_section_for_global
3398         and do_plt_section_for_local virtual functions.
3399         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3400         clarifying comments.
3401         (Symbol::use_plt_offset): Handle IFUNC symbol.
3402         * object.cc (Sized_relobj::Sized_relobj): Initialize
3403         local_plt_offsets_.
3404         (Sized_relobj::local_has_plt_offset): New function.
3405         (Sized_relobj::local_plt_offset): New function.
3406         (Sized_relobj::set_local_plt_offset): New function.
3407         (Sized_relobj::do_count): Handle IFUNC symbol.
3408         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3409         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3410         is_ifunc_symbol functions.
3411         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3412         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3413         local_plt_offsets_ field.
3414         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3415         * output.h (class Output_section_data): Add non-const
3416         output_section function.
3417         (class Output_data_got): Update declarations.
3418         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3419         Add use_plt_offset parameter to global and local constructors.
3420         Change all callers.  Change local_sym_index_ field to 31 bits.
3421         Change GSYM_CODE and CONSTANT_CODE accordingly.
3422         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3423         doing a static link don't set sh_link field.
3424         (Output_data_got::Got_entry::write): Use PLT offset if
3425         appropriate.
3426         (Output_data_got::add_global_plt): New function.
3427         (Output_data_got::add_local_plt): New function.
3428         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3429         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3430         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3431         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3432         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3433         IFUNC conditional.
3434         * testsuite/ifunc-sel.h: New file.
3435         * testsuite/ifuncmain1.c: New file.
3436         * testsuite/ifuncmain1vis.c: New file.
3437         * testsuite/ifuncmod1.c: New file.
3438         * testsuite/ifuncdep2.c: New file.
3439         * testsuite/ifuncmain2.c: New file.
3440         * testsuite/ifuncmain3.c: New file.
3441         * testsuite/ifuncmod3.c: New file.
3442         * testsuite/ifuncmain4.c: New file.
3443         * testsuite/ifuncmain5.c: New file.
3444         * testsuite/ifuncmod5.c: New file.
3445         * testsuite/ifuncmain6pie.c: New file.
3446         * testsuite/ifuncmod6.c: New file.
3447         * testsuite/ifuncmain7.c: New file.
3448         * configure, testsuite/Makefile.in: Rebuild.
3449
3450 2010-08-18  Ian Lance Taylor  <iant@google.com>
3451
3452         * incremental.cc
3453         (Output_section_incremental_inputs::write_input_files): Add cast
3454         to avoid signed/unsigned comparison warning.
3455         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3456
3457 2010-08-12  Cary Coutant  <ccoutant@google.com>
3458
3459         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3460
3461 2010-08-13  Ian Lance Taylor  <iant@google.com>
3462
3463         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3464
3465 2010-08-12  Cary Coutant  <ccoutant@google.com>
3466             Doug Kwan  <dougkwan@google.com>
3467
3468         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3469         defintion overrides non-weak undef, remember that the original undef
3470         is not weak.
3471         * symtab.cc (Symbol_table::sized_write_global): For undef without
3472         an original weak binding, set binding to global in output.
3473         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3474         * testsuite/Makefile.in: Regenerate.
3475         * testsuite/strong_ref_weak_def.sh: New file.
3476         * testsuite/strong_ref_weak_def_1.c: Ditto.
3477         * testsuite/strong_ref_weak_def_2.c: Ditto.
3478
3479 2010-08-12  Cary Coutant  <ccoutant@google.com>
3480
3481         * testsuite/incremental_test.sh: Rewrite.
3482         * testsuite/incremental_test_1.c: Rewrite.
3483         * testsuite/incremental_test_2.c: Rewrite.
3484
3485 2010-08-12  Cary Coutant  <ccoutant@google.com>
3486
3487         * arm.cc (Target_arm::got_size): Add const.
3488         (Target_arm::got_entry_count): New function.
3489         (Target_arm::plt_entry_count): New function.
3490         (Target_arm::first_plt_entry_offset): New function.
3491         (Target_arm::plt_entry_size): New function.
3492         (Output_data_plt_arm::entry_count): New function.
3493         (Output_data_plt_arm::first_plt_entry_offset): New function.
3494         (Output_data_plt_arm::get_plt_entry_size): New function.
3495         * i386.cc (Target_i386::got_size): Add const.
3496         (Target_i386::got_entry_count): New function.
3497         (Target_i386::plt_entry_count): New function.
3498         (Target_i386::first_plt_entry_offset): New function.
3499         (Target_i386::plt_entry_size): New function.
3500         (Output_data_plt_i386::entry_count): New function.
3501         (Output_data_plt_i386::first_plt_entry_offset): New function.
3502         (Output_data_plt_i386::get_plt_entry_size): New function.
3503         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3504         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3505         * incremental.cc: Include target.h.
3506         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3507         parameter.  Adjust all callers.  Find incremental_got_plt section.
3508         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3509         section.
3510         (Output_section_incremental_inputs::set_final_data_size): Calculate
3511         size of incremental_got_plt section.
3512         (Output_section_incremental_inputs::do_write): Write the
3513         incremental_got_plt section.
3514         (Got_plt_view_info): New struct.
3515         (Local_got_offset_visitor): New class.
3516         (Global_got_offset_visitor): New class.
3517         (Global_symbol_visitor_got_plt): New class.
3518         (Output_section_incremental_inputs::write_got_plt): New function.
3519         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3520         Add parameter.  Adjust all callers.
3521         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3522         (Incremental_inputs::got_plt_section): New function.
3523         (Incremental_inputs::got_plt_section_): New data member.
3524         (Incremental_got_plt_reader): New class.
3525         * layout.cc (Layout::create_incremental_info_sections): Add the
3526         incremental_got_plt section.
3527         * object.h (Got_offset_list::get_list): New function.
3528         (Got offset_list::for_all_got_offsets): New function.
3529         (Sized_relobj::local_got_offset_list): New function.
3530         * powerpc.cc (Target_powerpc::got_size): Add const.
3531         (Target_powerpc::got_entry_count): New function.
3532         (Target_powerpc::plt_entry_count): New function.
3533         (Target_powerpc::first_plt_entry_offset): New function.
3534         (Target_powerpc::plt_entry_size): New function.
3535         (Output_data_plt_powerpc::entry_count): New function.
3536         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3537         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3538         * sparc.cc (Target_sparc::got_size): Add const.
3539         (Target_sparc::got_entry_count): New function.
3540         (Target_sparc::plt_entry_count): New function.
3541         (Target_sparc::first_plt_entry_offset): New function.
3542         (Target_sparc::plt_entry_size): New function.
3543         (Output_data_plt_sparc::entry_count): New function.
3544         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3545         (Output_data_plt_sparc::get_plt_entry_size): New function.
3546         * symtab.h (Symbol::got_offset_list): New function.
3547         (Symbol_table::for_all_symbols): New function.
3548         * target.h (Sized_target::got_entry_count): New function.
3549         (Sized_target::plt_entry_count): New function.
3550         (Sized_target::plt_entry_size): New function.
3551         * x86_64.cc (Target_x86_64::got_size): Add const.
3552         (Target_x86_64::got_entry_count): New function.
3553         (Target_x86_64::plt_entry_count): New function.
3554         (Target_x86_64::first_plt_entry_offset): New function.
3555         (Target_x86_64::plt_entry_size): New function.
3556         (Output_data_plt_x86_64::entry_count): New function.
3557         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3558         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3559
3560 2010-08-12  Cary Coutant  <ccoutant@google.com>
3561
3562         * archive.cc: Include incremental.h.
3563         (Archive::Archive): Initialize incremental_info_.
3564         (Archive::include_member): Record archive members in incremental info.
3565         (Add_archive_symbols::run): Record begin and end of an archive in
3566         incremental info.
3567         (Lib_group::include_member): Record objects in incremental info.
3568         * archive.h (Incremental_archive_entry): Forward declaration.
3569         (Archive::set_incremental_info): New member function.
3570         (Archive::incremental_info): New member function.
3571         (Archive::Unused_symbol_iterator): New class.
3572         (Archive::unused_symbols_begin): New member function.
3573         (Archive::unused_symbols_end): New member function.
3574         (Archive::incremental_info_): New data member.
3575         * incremental-dump.cc (find_input_containing_global): New function.
3576         (dump_incremental_inputs): Dump new incremental info sections.
3577         * incremental.cc: Include symtab.h.
3578         (Output_section_incremental_inputs): New class.
3579         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3580         new incremental info sections.
3581         (Sized_incremental_binary::do_check_inputs): Likewise.
3582         (Incremental_inputs::report_archive): Remove.
3583         (Incremental_inputs::report_archive_begin): New function.
3584         (Incremental_inputs::report_archive_end): New function.
3585         (Incremental_inputs::report_object): New function.
3586         (Incremental_inputs::finalize_inputs): Remove.
3587         (Incremental_inputs::report_input_section): New function.
3588         (Incremental_inputs::report_script): Rewrite.
3589         (Incremental_inputs::finalize): Do nothing but finalize string table.
3590         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3591         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3592         (Incremental_inputs::create_data_sections): New function.
3593         (Incremental_inputs::relocs_entsize): New function.
3594         (Output_section_incremental_inputs::set_final_data_size): New function.
3595         (Output_section_incremental_inputs::do_write): New function.
3596         (Output_section_incremental_inputs::write_header): New function.
3597         (Output_section_incremental_inputs::write_input_files): New function.
3598         (Output_section_incremental_inputs::write_info_blocks): New function.
3599         (Output_section_incremental_inputs::write_symtab): New function.
3600         * incremental.h (Incremental_script_entry): Forward declaration.
3601         (Incremental_object_entry): Forward declaration.
3602         (Incremental_archive_entry): Forward declaration.
3603         (Incremental_inputs): Forward declaration.
3604         (Incremental_inputs_header_data): Remove.
3605         (Incremental_inputs_header): Remove.
3606         (Incremental_inputs_header_write): Remove.
3607         (Incremental_inputs_entry_data): Remove.
3608         (Incremental_inputs_entry): Remove.
3609         (Incremental_inputs_entry_write): Remove.
3610         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3611         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3612         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3613         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3614         Likewise.
3615         (Incremental_input_entry): New class.
3616         (Incremental_script_entry): New class.
3617         (Incremental_object_entry): New class.
3618         (Incremental_archive_entry): New class.
3619         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3620         (Incremental_inputs::report_inputs): Remove.
3621         (Incremental_inputs::report_archive): Remove.
3622         (Incremental_inputs::report_archive_begin): New function.
3623         (Incremental_inputs::report_archive_end): New function.
3624         (Incremental_inputs::report_object): Change prototype.
3625         (Incremental_inputs::report_input_section): New function.
3626         (Incremental_inputs::report_script): Change prototype.
3627         (Incremental_inputs::get_reloc_count): New function.
3628         (Incremental_inputs::set_reloc_count): New function.
3629         (Incremental_inputs::create_data_sections): New function.
3630         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3631         (Incremental_inputs::inputs_section): New function.
3632         (Incremental_inputs::symtab_section): New function.
3633         (Incremental_inputs::relocs_section): New function.
3634         (Incremental_inputs::get_stringpool): Add const.
3635         (Incremental_inputs::command_line): Add const.
3636         (Incremental_inputs::inputs): Remove.
3637         (Incremental_inputs::command_line_key): New function.
3638         (Incremental_inputs::input_file_count): New function.
3639         (Incremental_inputs::input_files): New function.
3640         (Incremental_inputs::relocs_entsize): New function.
3641         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3642         (Incremental_inputs::finalize_inputs): Remove.
3643         (Incremental_inputs::Input_info): Remove.
3644         (Incremental_inputs::lock_): Remove.
3645         (Incremental_inputs::inputs_): Change type.
3646         (Incremental_inputs::inputs_map_): Remove.
3647         (Incremental_inputs::current_object_entry_): New data member.
3648         (Incremental_inputs::inputs_section_): New data member.
3649         (Incremental_inputs::symtab_section_): New data member.
3650         (Incremental_inputs::relocs_section_): New data member.
3651         (Incremental_inputs::reloc_count_): New data member.
3652         (Incremental_inputs_reader): New class.
3653         (Incremental_symtab_reader): New class.
3654         (Incremental_relocs_reader): New class.
3655         * layout.cc (Layout::finalize): Move finalization of incremental info
3656         and creation of incremental info sections to follow finalization of
3657         symbol table.  Set offsets for postprocessing sections.
3658         (Layout::create_incremental_info_sections): Call
3659         Incremental_inputs::create_data_sections.  Add incremental symtab
3660         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3661         sections to layout after input sections.
3662         * layout.h (struct Timespec): Forward declaration.
3663         (Layout::incremental_inputs): Add const.
3664         (Layout::create_incremental_info_sections): Add parameter.
3665         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3666         * object.cc: Include incremental.h.
3667         (Relobj::finalize_incremental_relocs): New function.
3668         (Sized_relobj::do_layout): Record input sections in incremental info.
3669         * object.h (Object::output_section): New function.
3670         (Object::output_section_offset): Moved from Relobj.
3671         (Object::get_incremental_reloc_base): New function.
3672         (Object::get_incremental_reloc_count): New function.
3673         (Object::do_output_section): New function.
3674         (Object::do_output_section_offset): Moved from Relobj.
3675         (Object::do_get_incremental_reloc_base): New function.
3676         (Object::do_get_incremental_reloc_count): New function.
3677         (Object::Object): Initialize new data members.
3678         (Relobj::output_section): Renamed do_output_section and moved to
3679         protected.
3680         (Relobj::output_section_offset): Moved to Object.
3681         (Relobj::do_get_incremental_reloc_base): New function.
3682         (Relobj::do_get_incremental_reloc_count): New function.
3683         (Relobj::allocate_incremental_reloc_counts): New function.
3684         (Relobj::count_incremental_reloc): New function.
3685         (Relobj::finalize_incremental_relocs): New function.
3686         (Relobj::next_incremental_reloc_index): New function.
3687         (Relobj::reloc_counts_): New data member.
3688         (Relobj::reloc_bases_): New data member.
3689         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3690         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3691         (Sized_relobj::incremental_relocs_scan): New function.
3692         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3693         (Sized_relobj::incremental_relocs_write): New function.
3694         (Sized_relobj::incremental_relocs_write_reltype): New function.
3695         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3696         incremental link.
3697         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3698         archives and object files elsewhere.
3699         (Add_symbols::run): Report object files here.
3700         (Finish_group::run): Report end of archive at end of group.
3701         * reloc.cc: Include layout.h, incremental.h.
3702         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3703         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3704         (Sized_relobj::incremental_relocs_scan): New function.
3705         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3706         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3707         (Sized_relobj::incremental_relocs_write): New function.
3708         (Sized_relobj::incremental_relocs_write_reltype): New function.
3709         * script.cc (read_input_script): Rewrite test for incremental link.
3710         Change call to Incremental_inputs::report_script.
3711         * symtab.h (Symbol_table::first_global_index): New function.
3712         (Symbol_table::output_count): New function.
3713
3714 2010-08-12  Doug Kwan  <dougkwan@google.com>
3715
3716         * arm.cc (Target_arm::merge_object_attributes): Check command line
3717         options --no-wchar-size-warning and --no-enum-size-warning.
3718         * options.h (General_options): Add ld-compatible options
3719         --no-enum-size-warning and --no-wchar-size-warning.
3720
3721 2010-08-04  Ian Lance Taylor  <iant@google.com>
3722
3723         * x86_64.cc (Target_x86_64::Scan::local): Use
3724         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3725         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3726         (Target_x86_64::Scan::global): Likewise.
3727         (Target_x86_64::Relocate::relocate): Likewise.
3728         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3729         Likewise.
3730
3731 2010-08-03  Cary Coutant  <ccoutant@google.com>
3732
3733         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3734         to reserve space in merged_strings vector. Keep total input size
3735         for stats.
3736         (Output_merge_string::do_print_merge_stats): Print total input size.
3737         * merge.h (Output_merge_string): Add input_size_ field.
3738         * stringpool.cc (Stringpool_template::string_length): Move
3739         implementations out of Stringpool_template class and place in
3740         stringpool.h.
3741         * stringpool.h (string_length): Move out of Stringpool_template.
3742
3743 2010-08-03  Ian Lance Taylor  <iant@google.com>
3744
3745         PR 11712
3746         * layout.cc (relaxation_loop_body): If address of load segment is
3747         set, adjust address to include headers if possible.
3748
3749 2010-08-03  Ian Lance Taylor  <iant@google.com>
3750
3751         * version.cc (version_string): Bump to 1.10.
3752
3753 2010-08-03  Ian Lance Taylor  <iant@google.com>
3754
3755         PR 11805
3756         * layout.h (enum Output_section_order): Define.
3757         (class Layout): Update declarations.
3758         * layout.cc (Layout::get_output_section): Add order parameter.
3759         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3760         is_first_non_relro parameters.  Change all callers.
3761         (Layout::choose_output_section): Likewise.
3762         (Layout::add_output_section_data): Likewise.
3763         (Layout::make_output_section): Likewise.  Set order.
3764         (Layout::default_section_order): New function.
3765         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3766         * output.cc (Output_section::Output_section): Initialize order_.
3767         Don't initialize deleted fields.
3768         (Output_segment::Output_segment): Don't initialize deleted
3769         fields.
3770         (Output_segment::add_output_section_to_load): New function
3771         replacing add_output_section.  Change all callers to call this or
3772         add_output_section_to_nonload.
3773         (Output_segment::add_output_section_to_nonload): New function.
3774         (Output_segment::remove_output_section): Rewrite.
3775         (Output_segment::add_initial_output_data): Likewise.
3776         (Output_segment::has_any_data_sections): Likewise.
3777         (Output_segment::is_first_section_relro): Likewise.
3778         (Output_segment::maximum_alignment): Likewise.
3779         (Output_segment::has_dynamic_reloc): New function replacing
3780         dynamic_reloc_count.  Change all callers.
3781         (Output_segment::has_dynamic_reloc_list): New function replacing
3782         dynamic_reloc_count_list.  Change all callers.
3783         (Output_segment::set_section_addresses): Rewrite.
3784         (Output_segment::set_offset): Rewrite.
3785         (Output_segment::find_first_and_last_list): Remove.
3786         (Output_segment::set_tls_offsets): Rewrite.
3787         (Output_segment::first_section_load_address): Likewise.
3788         (Output_segment::output_section_count): Likewise.
3789         (Output_segment::section_with_lowest_load_address): Likewise.
3790         (Output_segment::write_section_headers): Likewise.
3791         (Output_segment::print_sections_to_map): Likewise.
3792         * output.h (class Output_data): Remove dynamic_reloc_count_
3793         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3794         (Output_data::add_dynamic_reloc): Rewrite.
3795         (Output_data::has_dynamic_reloc): New function.
3796         (Output_data::dynamic_reloc_count): Remove.
3797         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3798         is_last_relro_, is_first_non_relro_, is_interp_,
3799         is_dynamic_linker_section_ fields.  Add order and set_order
3800         functions.  Remove is_relro_local, set_is_relro_local,
3801         is_last_relro, set_is_last_relro, is_first_non_relro,
3802         set_is_first_non_relro functions, is_interp, set_is_interp,
3803         is_dynamic_linker_section, and set_is_dynamic_linker_section
3804         functions.
3805         (class Output_segment): Change Output_data_list from std::list to
3806         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3807         output_bss_ fields.  Update declarations.
3808
3809 2010-08-02  Ian Lance Taylor  <iant@google.com>
3810
3811         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3812         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3813         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3814
3815 2010-08-02  Ian Lance Taylor  <iant@google.com>
3816
3817         PR 11855
3818         * script.cc (Script_options::Script_options): Initialize
3819         symbol_definitions_ and symbol_references_.
3820         (Script_options::add_symbol_assignment): Update
3821         symbol_definitions_ and symbol_references_.
3822         (Script_options::add_symbol_reference): New function.
3823         (script_symbol): New function.
3824         * script.h (class Script_options): Add symbol_definitions_ and
3825         symbol_references_ fields.
3826         (Script_options::referenced_const_iterator): New type.
3827         (Script_options::referenced_begin): New function.
3828         (Script_options::referenced_end): New function.
3829         (Script_options::is_referenced): New function.
3830         (Script_options::any_unreferenced): New function.
3831         * script-c.h (script_symbol): Declare.
3832         * yyscript.y (exp): Call script_symbol.
3833         * symtab.cc: Include "script.h".
3834         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3835         Change all callers.  Check symbols referenced by scripts.
3836         (Symbol_table::add_undefined_symbols_from_command_line): Add
3837         layout parameter.  Change all callers.
3838         (Symbol_table::do_add_undefined_symbols_from_command_line):
3839         Likewise.  Break out loop body.  Check symbols referenced by
3840         scripts.
3841         (Symbol_table::add_undefined_symbol_from_command_line): New
3842         function broken out of
3843         do_add_undefined_symbols_from_command_line.
3844         * symtab.h (class Symbol_table): Update declarations.
3845         * archive.cc: Include "layout.h".
3846         (Archive::should_include_member): Add layout parameter.  Change
3847         all callers.  Check for symbol mentioned in expression.
3848         * archive.h (class Archive): Update declaration.
3849         * object.cc (Sized_relobj::do_should_include_member): Add layout
3850         parameter.
3851         * object.h (Object::should_include_member): Add layout parameter.
3852         Change all callers.
3853         (Object::do_should_include_member): Add layout parameter.
3854         (class Sized_relobj): Update declaration.
3855         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3856         parameter.
3857         * dynobj.h (class Sized_dynobj): Update declaration.
3858         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3859         layout parameter.
3860         * plugin.h (class Sized_pluginobj): Update declaration.
3861
3862 2010-08-02  Ian Lance Taylor  <iant@google.com>
3863
3864         PR 11866
3865         * output.cc (Output_segment::set_offset): Search for the first and
3866         last sections rather than assuming that the list is in order.
3867         (Output_segment::find_first_and_last_list): New function.
3868         * output.h (class Output_segment): Update declarations.
3869         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3870         (relro_strip_test_SOURCES): New variable.
3871         (relro_strip_test_DEPENDENCIES): New variable.
3872         (relro_strip_test_LDFLAGS): New variable.
3873         (relro_strip_test_LDADD): New variable.
3874         (relro_strip_test.so): New target.
3875
3876 2010-08-02  Ian Lance Taylor  <iant@google.com>
3877
3878         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3879         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3880         (Target_i386::got_tlsdesc_section): New function.
3881         (Target_i386::got_section): Create space for GOT entries for
3882         TLSDESC relocations.
3883         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3884         R_386_TLS_GOTDESC.
3885         (Target_i386::Scan::global): Likewise.
3886         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3887         using TLSDESC GOT.
3888         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3889         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3890         (Target_x86_64::got_tlsdesc_section): New function.
3891         (Target_x86_64::got_section): Create space for GOT entries for
3892         TLSDESC relocations.
3893         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3894         R_386_TLS_GOTDESC.
3895         (Target_x86_64::Scan::global): Likewise.
3896         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3897         using TLSDESC GOT.
3898
3899 2010-08-02  Ian Lance Taylor  <iant@google.com>
3900
3901         * testsuite/final_layout.sh: Use dc to convert from hex to
3902         decimal.
3903
3904 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3905
3906         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3907         paramter to the call to gold::gc_process_relocs.
3908         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3909         paramter to the call to gold::gc_process_relocs.
3910         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3911         parameter to the call to gold::gc_process_relocs.
3912         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3913         template parameter to the call to gold::gc_process_relocs.
3914         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3915         paramter to the call to gold::gc_process_relocs.
3916         * gc.h (get_embedded_addend_size): New function.
3917         (gc_process_relocs): Save the size of the reloc for use by ICF.
3918         * icf.cc (get_section_contents): Get the addend from the text section
3919         for SHT_REL relocation sections.
3920         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3921         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3922         * int_encoding.h (read_from_pointer): New overloaded function.
3923         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3924         * testsuite/icf_sht_rel_addend_test.sh: New file.
3925         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3926         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3927
3928 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3929
3930         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3931         * Makefile.in: Regenerate.
3932         * testsuite/Makefile.in: Regenerate.
3933
3934 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3935
3936         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3937         * gold/testsuite/debug_msg.cc: Likewise.
3938         * gold/testsuite/odr_violation1.cc
3939         * gold/testsuite/odr_violation2.cc
3940
3941 2010-07-21  Cary Coutant  <ccoutant@google.com>
3942
3943         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3944         string, and length fields.
3945         (Output_merge_string::Merged_strings_list): New type.
3946         (Output_merge_string::Merged_strings_lists): New typedef.
3947         (Output_merge_string): Replace merged_strings_ with
3948         merged_strings_lists_.
3949         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3950         Merged_strings_list per input object and section.  Don't store pointer
3951         to the string.  Don't store length with each merged string entry.
3952         (Output_merge_string::finalize_merged_data): Loop over list of merged
3953         strings lists.  Recompute length of each merged string.
3954
3955 2010-07-15  Cary Coutant  <ccoutant@google.com>
3956
3957         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3958         here.
3959
3960 2010-07-14  Ian Lance Taylor  <iant@google.com>
3961
3962         * descriptors.cc (Descriptors::open): Report correct name in error
3963         message.
3964
3965 2010-07-13  Doug Kwan  <dougkwan@google.com>
3966
3967         * arm.cc (Arm_input_section::Arm_input_section): For a
3968         SHT_ARM_EXIDX section, always keeps the input sections.
3969         (Arm_input_section::set_exidx_section_link): New method.
3970         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3971         has_errors_ to false.
3972         (Arm_exidx_input_section::has_errors,
3973         Arm_exidx_input_section::set_has_errors): New methods.
3974         (Arm_exidx_input_section::has_errors_): New data member.
3975         (Arm_relobj::get_exidx_shndx_list): New method.
3976         (Arm_output_section::append_text_sections_to_list): Do not skip
3977         section without SHF_EXECINSTR.
3978         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3979         errors.
3980         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3981         section header.  Make error messages more verbose.  Check for
3982         a non-executable section linked to an EXIDX section.
3983         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3984         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3985         check that there is no deferred EXIDX section if we exit early.
3986         Instead of not making an EXIDX section in case of an error, make one
3987         and set the has_errors flag of it.
3988         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3989         in a relocatable link.
3990         (Target_arm::do_relax): Look for the EXIDX output section instead of
3991         assuming that it is called .ARM.exidx.
3992         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3993         section list.  Do not check for SHF_EXECINSTR section flags but
3994         skip any input section with errors.
3995         * output.cc (Output_section::Output_section): Initialize
3996         always_keeps_input_sections_ to false.
3997         (Output_section::add_input_section): Check for
3998         always_keeps_input_sections_.
3999         *  output.h (Output_section::always_keeps_input_sections,
4000         Output_section::set_always_keeps_input_sections): New methods.
4001         (Output_section::always_keeps_input_sections): New data member.
4002
4003 2010-07-13  Rafael Espindola  <espindola@google.com>
4004
4005         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4006         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4007
4008 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4009             Ian Lance Taylor  <iant@google.com>
4010
4011         * output.h (Output_section_lookup_maps::add_merge_section):
4012         Correct check of whether value was inserted.
4013         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4014         (Output_section_lookup_maps::add_relaxed_input_section):
4015         Likewise.
4016         * arm.cc (Target_arm::got_section): Remove used local os.
4017         * i386.cc (Target_i386::got_section): Likewise.
4018         * x86_64.cc (Target_x86_64::got_section): Likewise.
4019         * sparc.cc (Target_sparc::got_section): Likewise.
4020         (Target_sparc::relocate): Remove unused local have_got_offset.
4021         * powerpc.cc (Target_powerpc::relocate): Likewise.
4022
4023 2010-07-13  Ian Lance Taylor  <iant@google.com>
4024
4025         * compressed_output.cc (zlib_decompress): Fix signature in
4026         !HAVE_ZLIB_H case.
4027
4028         * archive.cc (Archive::include_member): Unlock an external member
4029         of a thin archive.  Don't bother to delete an object we know is
4030         NULL.
4031
4032 2010-07-12  Cary Coutant  <ccoutant@google.com>
4033
4034         * compressed_output.cc (zlib_decompress): New function.
4035         (get_uncompressed_size): New function.
4036         (decompress_input_section): New function.
4037         * compressed_output.h (get_uncompressed_size): New function.
4038         (decompress_input_section): New function.
4039         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4040         Handle compressed debug sections.
4041         * layout.cc (is_compressed_debug_section): New function.
4042         (Layout::output_section_name): Map compressed section names to
4043         canonical names.
4044         * layout.h (is_compressed_debug_section): New function.
4045         (is_debug_info_section): Recognize compressed debug sections.
4046         * merge.cc: Include compressed_output.h.
4047         (Output_merge_data::do_add_input_section): Handle compressed
4048         debug sections.
4049         (Output_merge_string::do_add_input_section): Handle compressed
4050         debug sections.
4051         * object.cc: Include compressed_output.h.
4052         (Sized_relobj::Sized_relobj): Initialize new data members.
4053         (build_compressed_section_map): New function.
4054         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4055         * object.h (Object::section_is_compressed): New method.
4056         (Object::do_section_is_compressed): New method.
4057         (Sized_relobj::Compressed_section_map): New type.
4058         (Sized_relobj::do_section_is_compressed): New method.
4059         (Sized_relobj::compressed_sections_): New data member.
4060         * output.cc (Output_section::add_input_section): Handle compressed
4061         debug sections.
4062         * reloc.cc: Include compressed_output.h.
4063         (Sized_relobj::write_sections): Handle compressed debug sections.
4064
4065 2010-07-08  Cary Coutant  <ccoutant@google.com>
4066
4067         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4068         weak when resolving to a dynamic def.
4069         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4070         for weak undef/dynamic def cases. Adjust callers.
4071         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4072         undef_binding_weak_.
4073         (Symbol_table::sized_write_globals): Adjust symbol binding.
4074         (Symbol_table::sized_write_symbol): Add binding parameter.
4075         * symtab.h (Symbol::set_undef_binding): New method.
4076         (Symbol::is_undef_binding_weak): New method.
4077         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4078         (Symbol_table::should_override): Add new parameter.
4079         (Symbol_table::sized_write_symbol): Add new parameter.
4080
4081         * testsuite/weak_undef_file1.cc: Add new test case.
4082         * testsuite/weak_undef_file2.cc: Fix header comment.
4083         * testsuite/weak_undef_test.cc: Add new test case.
4084
4085 2010-06-29  Doug Kwan  <dougkwan@google.com>
4086
4087         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4088         Initialize USE_SYMBOL_.
4089         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4090         definition.
4091         (Arm_reloc_property::uses_symbol_): New data member declaration.
4092         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4093         uses symbol value and symbol is undefined but not weakly undefined.
4094
4095 2010-06-28  Rafael Espindola  <espindola@google.com>
4096
4097         * plugin.cc (Plugin::load): Use dlerror.
4098
4099 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4100
4101         * symtab.cc (detect_odr_violations): When reporting an ODR
4102         violation, report an object where the symbol is defined.
4103
4104 2010-06-25  Doug Kwan  <dougkwan@google.com>
4105
4106         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4107         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4108         definition.
4109         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4110         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4111         target hook to detect function points.
4112         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4113         * icf.h (Icf::check_section_for_function_pointers): Change type of
4114         parameter SECTION_NAME to const reference to std::string.  Use
4115         target hook to determine if section may have unsafe pointers.
4116         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4117         method definition.
4118
4119 2010-06-21  Rafael Espindola  <espindola@google.com>
4120
4121         * fileread.cc (Input_file::find_fie): New
4122         (Input_file::open): Use Input_file::find_fie.
4123         * fileread.h (Input_file::find_fie): New
4124         * plugin.cc (set_extra_library_path): New.
4125         (Plugin::load): Add set_extra_library_path to the transfer vector.
4126         (Plugin_manager::set_extra_library_path): New.
4127         (Plugin_manager::add_input_file): Use the extra search path if set.
4128         (set_extra_library_path(): New.
4129         * plugin.h (Plugin_manager): Add set_extra_library_path and
4130         extra_search_path_.
4131
4132 2010-06-19  Cary Coutant  <ccoutant@google.com>
4133
4134         * layout.cc (gdb_sections): Add .debug_types.
4135         (lines_only_debug_sections): Likewise.
4136
4137 2010-06-18  Rafael Espindola  <espindola@google.com>
4138
4139         * plugin.cc (add_input_file,add_input_library)
4140         (Plugin_manager::add_input_file): Make filename arguments const.
4141         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4142         const.
4143
4144 2010-06-16  Doug Kwan  <dougkwan@google.com>
4145
4146         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4147         .ARM.attributes section if we have not merged any input
4148         attributes sections.
4149
4150 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4151
4152         * arm.cc: Allow combining objects with no EABI version
4153         information.
4154
4155 2010-06-15  Rafael Espindola  <espindola@google.com>
4156
4157         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4158
4159 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4160
4161         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4162         (struct iovec): Correct !HAVE_READV definition.
4163
4164 2010-06-10  Cary Coutant  <ccoutant@google.com>
4165
4166         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4167         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4168         reloc sections.
4169         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4170
4171         PR 11683
4172         * symtab.h (Symbol::is_placeholder): New member function.
4173         * target-reloc.h (relocate_section): Check for placeholder symbols.
4174
4175         * testsuite/Makefile.am (plugin_test_8): New test.
4176         (plugin_test_9): New test.
4177         * testsuite/Makefile.in: Regenerate.
4178
4179 2010-06-09  Nick Clifton  <nickc@redhat.com>
4180
4181         * yyscript.y (input_list_element): Allow strings prefixed with
4182         the '-' character.  Treat these as libraries.
4183         * script.cc (script_add_library): New function.  Adds a library
4184         specified by "-l<name>" found in an input script.
4185         * script-c.h: Add prototype for script_add_library.
4186
4187 2010-06-07  Doug Kwan  <dougkwan@google.com>
4188
4189         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4190         Restrict stub-group size to be within long conditional branch
4191         range when working around cortex-A8 erratum.
4192
4193 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4194
4195         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4196         #ifdef typo.
4197
4198 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4199
4200         PR gold/11658
4201         * output.cc
4202         (Output_section::Input_section_sort_entry::compare_section_ordering):
4203         Change to return non-zero correctly.
4204         (Output_section::Input_section_sort_section_order_index_compare
4205         ::operator()): Change to fix ambiguity in comparisons.
4206
4207 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4208
4209         * gold.h (is_wildcard_string): New function.
4210         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4211         (Layout::layout_eh_frame): Ditto.
4212         (Layout::find_section_order_index): New method.
4213         (Layout::read_layout_from_file): New method.
4214         * layout.h (Layout::find_section_order_index): New method.
4215         (Layout::read_layout_from_file): New method.
4216         (Layout::input_section_position_): New private member.
4217         (Layout::input_section_glob_): New private member.
4218         * main.cc (main): Call read_layout_from_file here.
4219         * options.h (--section-ordering-file): New option.
4220         * output.cc (Output_section::input_section_order_specified_): New
4221         member.
4222         (Output_section::Output_section): Initialize new member.
4223         (Output_section::add_input_section): Add new parameter.
4224         Keep input sections when --section-ordering-file is used.
4225         (Output_section::set_final_data_size): Sort input sections when
4226         section ordering file is specified.
4227         (Output_section::Input_section_sort_entry): Add new parameter.
4228         Check sorting type.
4229         (Output_section::Input_section_sort_entry::compare_section_ordering):
4230         New method.
4231         (Output_section::Input_section_sort_compare::operator()): Change to
4232         consider section_order_index.
4233         (Output_section::Input_section_sort_init_fini_compare::operator()):
4234         Change to consider section_order_index.
4235         (Output_section::Input_section_sort_section_order_index_compare
4236         ::operator()): New method.
4237         (Output_section::sort_attached_input_sections): Change to sort
4238         according to section order when specified.
4239         (Output_section::add_input_section<32, true>): Add new parameter.
4240         (Output_section::add_input_section<64, true>): Add new parameter.
4241         (Output_section::add_input_section<32, false>): Add new parameter.
4242         (Output_section::add_input_section<64, false>): Add new parameter.
4243         * output.h (Output_section::add_input_section): Add new parameter.
4244         (Output_section::input_section_order_specified): New
4245         method.
4246         (Output_section::set_input_section_order_specified): New method.
4247         (Input_section::Input_section): Initialize section_order_index_.
4248         (Input_section::section_order_index): New method.
4249         (Input_section::set_section_order_index): New method.
4250         (Input_section::section_order_index_): New member.
4251         (Input_section::Input_section_sort_section_order_index_compare): New
4252         struct.
4253         (Output_section::input_section_order_specified_): New member.
4254         * script-sections.cc (is_wildcard_string): Delete and move modified
4255         method to gold.h.
4256         (Output_section_element_input::Output_section_element_input): Modify
4257         call to is_wildcard_string.
4258         (Output_section_element_input::Input_section_pattern
4259         ::Input_section_pattern): Ditto.
4260         (Output_section_element_input::Output_section_element_input): Ditto.
4261         * testsuite/Makefile.am (final_layout): New test case.
4262         * testsuite/Makefile.in: Regenerate.
4263         * testsuite/final_layout.cc: New file.
4264         * testsuite/final_layout.sh: New file.
4265
4266 2010-06-01  Rafael Espindola  <espindola@google.com>
4267
4268         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4269
4270 2010-06-01  Rafael Espindola  <espindola@google.com>
4271
4272         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4273         visibility of symbols.
4274
4275 2010-05-27  Doug Kwan  <dougkwan@google.com>
4276
4277         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4278         from start of output section instead of address for a local symbol
4279         in a merged or relaxed section when doing a relocatable link.
4280
4281 2010-05-26  Rafael Espindola  <espindola@google.com>
4282
4283        PR 11604
4284         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4285         adding sections the garbage collector removed.
4286         * gold/testsuite/Makefile.am: Add test.
4287         * gold/testsuite/Makefile.in: Regenerate.
4288         * gold/testsuite/plugin_test_7.sh: New.
4289         * gold/testsuite/plugin_test_7_1.c: New.
4290         * gold/testsuite/plugin_test_7_2.c: New.
4291
4292 2010-05-26  Rafael Espindola  <espindola@google.com>
4293
4294         * script-sections.cc (Output_section_definition::set_section_addresses):
4295         Check for --section-start.
4296
4297 2010-05-26  Doug Kwan  <dougkwan@google.com>
4298
4299         * arm.cc (Arm_scan_relocatable_relocs): New class.
4300         (Target_arm::relocate_special_relocatable): New method.
4301         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4302         (Arm_relocate_functions::thumb_branch_common): Same.
4303         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4304         instead of Default_scan_relocatable_relocs.
4305         * target-reloc.h (relocate_for_relocatable): Let target handle
4306         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4307         * target.h (Sized_target::relocate_special_relocatable): New method.
4308
4309 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4310
4311         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4312
4313 2010-05-23  Doug Kwan  <dougkwan@google.com>
4314
4315         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4316         instead of a cast.
4317         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4318         with a direct branch, not a conditional branch, to a stub.
4319         * merge.cc (Output_merge_base::record_input_section): New method
4320         defintion.
4321         (Output_merge_data::do_add_input_section): Record input section if
4322         keeps-input-sections flag is set.
4323         (Output_merge_string::do_add_input_section): Ditto.
4324         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4325         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4326         INPUT_SECTIONS_.
4327         (Output_merge_base::keeps_input_sections,
4328         Output_merge_base::set_keeps_input_sections,
4329         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4330         method definitions.
4331         (Output_merge_base::Input_sections): New type declaration.
4332         (Output_merge_base::input_sections_begin,
4333         Output_merge_base::input_sections_end,
4334         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4335         (Output_merge_base::bool keeps_input_sections_,
4336         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4337         Output_merge_base::input_sections_): New data members.
4338         (Output_merge_data::do_set_keeps_input_sections): New method
4339         defintion.
4340         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4341         * output.cc (Output_section::Input_section::relobj): Move method
4342         defintion from class declaration to here and handle merge sections.
4343         (Output_section::Input_section::shndx): Ditto.
4344         (Output_section::Output_section): Remove initializations of removed
4345         data members and initialize new data member LOOKUP_MAPS_.
4346         (Output_section::add_input_section): Set keeps-input-sections flag
4347         for a newly created merge output section as appropriate.  Adjust code
4348         to use Output_section_lookup_maps class.
4349         (Output_section::add_relaxed_input_section): Adjst code for lookup
4350         maps code refactoring.
4351         (Output_section::add_merge_input_section): Add a new parameter
4352         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4353         class.  If adding input section to a newly created merge output
4354         section fails, remove the new merge section.
4355         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4356         Adjust code for use of the Output_section_lookup_maps class.
4357         (Output_section::find_merge_section): Ditto.
4358         (Output_section::build_lookup_maps): New method defintion.
4359         (Output_section::find_relaxed_input_section): Adjust code to use
4360         Output_section_lookup_maps class.
4361         (Output_section::get_input_sections): Export merge sections.  Adjust
4362         code to use Output_section_lookup_maps class.
4363         (Output_section:::add_script_input_section): Adjust code to use
4364         Output_section_lookup_maps class.  Update lookup maps for merge
4365         sections also.
4366         (Output_section::discard_states): Use Output_section_lookup_maps.
4367         (Output_section::restore_states): Same.
4368         * output.h (Merge_section_properties): Move class defintion out of
4369         Output_section.
4370         (Output_section_lookup_maps): New class.
4371         (Output_section::Input_section::is_merge_section): New method
4372         defintion.
4373         (Output_section::Input_section::relobj): Move defintion out of class
4374         defintion.  Declare method only.
4375         (Output_section::Input_section::shndx): Ditto.
4376         (Output_section::Input_section::output_merge_base): New method defintion.
4377         (Output_section::Input_section::u2_.pomb): New union field.
4378         (Output_section::Merge_section_by_properties_map,
4379         Output_section::Output_section_data_by_input_section_map,
4380         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4381         Remove types.
4382         (Output_section::add_merge_input_section): Add new parameter
4383         KEEPS_INPUT_SECTIONS.
4384         (Output_section::build_lookup_maps): New method declaration.
4385         (Output_section::merge_section_map_,
4386         Output_section::merge_section_by_properties_map_,
4387         Output_section::relaxed_input_section_map_,
4388         Output_section::is_relaxed_input_section_map_valid_): Remove data
4389         members.
4390         (Output_section::lookup_maps_): New data member.
4391
4392 2010-05-21  Doug Kwan  <dougkwan@google.com>
4393
4394         PR gold/11619
4395         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4396         avoid a compilation error.
4397
4398 2010-05-19  Rafael Espindola  <espindola@google.com>
4399
4400         * script-sections.cc (Output_section_definition::allocate_to_segment):
4401         Update the phdrs_list even when the output section is NULL.
4402         * testsuite/Makefile.am: Add test.
4403         * testsuite/Makefile.in: Regenerate.
4404         * testsuite/script_test_9.cc: New.
4405         * testsuite/script_test_9.sh: New.
4406         * testsuite/script_test_9.t: New.
4407
4408 2010-05-19  Doug Kwan  <dougkwan@google.com>
4409
4410         * arm.cc (Arm_input_section::original_size): New method.
4411         (Arm_input_section::do_addralign): Add a cast.
4412         (Arm_input_section::do_output_offset): Remove static cast.
4413         (Arm_input_section::original_addralign,
4414          Arm_input_section::original_size_): Change type to uint32_t.
4415         (Arm_input_section::init): Add safe casts for section alignment
4416         and size.
4417         (Arm_input_section::set_final_data_size): Do not set address and
4418         offset of stub table.
4419         (Arm_output_section::fix_exidx_coverage): Change use of of
4420         Output_section::Simple_input_section to that of
4421         Output_section::Input_section.
4422         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4423         except for the first pass.
4424         * output.cc (Output_section::get_input_sections): Change type of
4425         input_sections to std::list<Input_section>.
4426         (Output_section::add_script_input_section): Rename from
4427         Output_section::add_simple_input_section.  Change type of SIS
4428         parameter from Simple_input_section to Input_section.
4429         * output.h (Output_section::Simple_input_section): Remove class.
4430         (Output_section::Input_section): Change class visibility to public.
4431         (Output_section::Input_section::addralign): Use stored alignments
4432         for special input sections if set.
4433         (Output_section::Input_section::set_addralign): New method.
4434         (Output_section::get_input_sections): Change parameter type from
4435         list of Simple_input_section to list of Input_section.
4436         (Output_section::add_script_input_section): Rename from
4437         Output_section::add_simple_input_section. Change first parameter's
4438         type from Simple_input_section to Input_section and remove the
4439         second and third parameters.
4440         * script-sections.cc (Input_section::Input_section_list): Change
4441         type to list of Output_section::Input_section/
4442         (Input_section_info::Input_section_info): Change parameter type of
4443         INPUT_SECTION to Output_section::Input_section.
4444         (Input_section_info::input_section): Change return type.
4445         (Input_section_info::input_section_): Change type to
4446         Output_section::Input_section.
4447         (Output_section_element_input::set_section_addresses): Adjust code
4448         to use Output_section::Input_section instead of
4449         Output_section::Simple_input_section.  Adjust code for renaming
4450         of Output_section::add_simple_input_section.
4451         (Orphan_output_section::set_section_addresses): Ditto.
4452
4453 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4454
4455         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4456         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4457
4458 2010-05-18  Rafael Espindola  <espindola@google.com>
4459
4460         * options.cc (General_options::finalize): Handle -nostdlib.
4461         * options.h (nostdlib): New option.
4462         * script.cc (script_add_search_dir): Handle -nostdlib.
4463
4464 2010-05-12  Doug Kwan  <dougkwan@google.com>
4465
4466         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4467         attributes section only if there no attributes section after merging.
4468         (Target_arm::merge_object_attributes): Move value of
4469         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4470         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4471         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4472         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4473         and arm_attr_merge_7.stdout.
4474         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4475         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4476         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4477         arm_attr_merge_7b.o): New rules.
4478         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4479         arm_attr_merge_7
4480         * testsuite/Makefile.in: Regenerate.
4481         * testsuite/arm_attr_merge.sh: New file.
4482         * testsuite/arm_attr_merge_[67][ab].s: Same.
4483
4484 2010-05-05  Nick Clifton  <nickc@redhat.com>
4485
4486         * po/es.po: Updated Spanish translation.
4487
4488 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4489
4490         * Makefile.am (install-exec-local): Properly install gold as
4491         default cross linker.
4492         * Makefile.in: Regenerated.
4493
4494 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4495             Nick Clifton  <nickc@redhat.com>
4496
4497         * configure.ac (install_as_default): Define and set to false
4498         unless --enable-gold or --enable-gold=both/gold has been
4499         specified.
4500         * configure: Regenerate.
4501
4502         * Makefile.am (install-exec-local): Install the executable as
4503         'ld.gold'.  If install_as_default is true then also install it as
4504         'ld'.
4505         * Makefile.in: Regenerated.
4506
4507 2010-04-24  Ian Lance Taylor  <iant@google.com>
4508
4509         * layout.cc (Layout::layout_reloc): In relocatable link don't
4510         combine reloc sections for grouped sections.
4511
4512 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4513
4514         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4515         sections that are not ordinary to icf.
4516         * icf.cc (get_section_contents): Handle relocation pointing to section
4517         with no object or shndx information.
4518         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4519         * testsuite/Makefile.in: Regenerate.
4520         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4521         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4522
4523 2010-04-22  Ian Lance Taylor  <iant@google.com>
4524
4525         * expression.cc (Expression::Expression_eval_info): Add
4526         result_alignment_pointer field.
4527         (Expression::eval_with_dot): Add result_alignment_pointer
4528         parameter.  Change all callers.
4529         (Expression::eval_maybe_dot): Likewise.
4530         (class Binary_expression): Add alignment_pointer parameter to
4531         left_value and right_value.  Change all callers.
4532         (BINARY_EXPRESSION): Set result alignment.
4533         (class Trinary_expression): Add alignment_pointer parameter to
4534         arg2_value and arg3_value.  Change all callers.
4535         (Trinary_cond::value): Set result alignment.
4536         (Max_expression::value, Min_expression::value): Likewise.
4537         (Align_expression::value): Likewise.
4538         * script-sections.cc (class Sections_element): Add dot_alignment
4539         parameter to set_section_addresses virtual function.  Update
4540         instantiations.
4541         (class Output_section_element): Likewise.
4542         (Script_sections::create_segments): Add dot_alignment parameter.
4543         Change all callers.
4544         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4545         (Script_sections::set_phdrs_clause_addresses): Likewise.
4546         * script-sections.h: Update declarations.
4547         * script.h: Update declarations.
4548         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4549         min_p_align.
4550         * testsuite/script_test_3.t: Set large alignment.
4551         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4552         segment has expected alignment.
4553
4554 2010-04-22  Nick Clifton  <nickc@redhat.com>
4555
4556         * po/gold.pot: Updated by the Translation project.
4557         * po/vi.po: Updated Vietnamese translation.
4558
4559 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4560
4561         * testsuite/Makefile.am (check_PROGRAMS): Add
4562         icf_virtual_function_folding_test.
4563         * testsuite/Makefile.in: Regenerated.
4564
4565 2010-04-15  Andrew Haley  <aph@redhat.com>
4566
4567         * options.h (merge_exidx_entries): New option.
4568         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4569         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4570         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4571         (Target_arm::merge_exidx_entries): New function.
4572         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4573         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4574         to Arm_exidx_fixup constructor.
4575         Add new arg, merge_exidx_entries.
4576         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4577         Arm_output_section::fix_exidx_coverage.
4578
4579 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4580
4581         * icf.cc (get_section_contents): Check for preemptible functions.
4582         Ignore addend when appropriate.
4583         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4584         section folded.
4585         (add_from_relobj): Check for section folded.
4586         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4587         * symtab.h (should_add_dynsym_entry): Add new parameter.
4588         * target-reloc.h (scan_relocs): Check for section folded.
4589         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4590         Check reloc types for function pointers in shared objects.
4591         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4592         case.
4593         (icf_preemptible_functions_test): New test case.
4594         (icf_string_merge_test): New test case.
4595         * testsuite.Makefile.in: Regenerate.
4596         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4597         bar_glob.  Refactor code.
4598         * testsuite/icf_preemptible_functions_test.cc: New file.
4599         * testsuite/icf_preemptible_functions_test.sh: New file.
4600         * testsuite/icf_string_merge_test.cc: New file.
4601         * testsuite/icf_string_merge_test.sh: New file.
4602         * testsuite/icf_virtual_function_folding_test.cc: New file.
4603         * testsuite/icf_virtual_function_folding_test.sh: New file.
4604
4605 2010-04-14  Doug Kwan  <dougkwan@google.com>
4606
4607         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4608         for local symbol recounting if we remove a section due to ICF.
4609         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4610         there are no regular objects in input.
4611
4612 2010-04-13  Doug Kwan  <dougkwan@google.com>
4613
4614         * arm.cc (Arm_input_section::set_final_data_size): Compute
4615         accurate final data size instead of using current data size.
4616
4617 2010-04-09  Doug Kwan  <dougkwan@google.com>
4618
4619         * layout.cc (Layout::choose_output_section): Handle script section
4620         types.
4621         (Layout::make_output_section_for_script): Add section type parameter.
4622         Handle script section types.
4623         * layout.h (Layout::make_output_section_for_script): Add section
4624         type parameter.
4625         * output.cc (Output_section::Output_section): Initialize data member
4626         is_noload_.
4627         (Output_section::do_reset_address_and_file_offset): Do not set address
4628         to 0 if section is a NOLOAD section.
4629         * output.h (Output_section::is_noload): New method.
4630         (Output_section::set_is_noload): Ditto.
4631         (Output_section::is_noload_): New data member.
4632         * script-c.h (Script_section_type): New enum type.
4633         (struct Parser_output_section_header): Add new file section_type.
4634         * script-sections.cc (Sections_element::output_section_name): Add
4635         parameter for returning script section type.
4636         (Output_section_definition::output_section_name): Ditto.
4637         (Output_section_definition::section_type)P; New method.
4638         (Output_section_definiton::script_section_type_name): Ditto.
4639         (Output_section_definition::script_section_type_): New data member.
4640         (Output_section_definition::Output_section_definition): Initialize
4641         data member Output_section_definition::script_section_type_.
4642         (Output_section_definition::create_sections): Pass script section type
4643         to Layout::make_output_section_for_script.
4644         (Output_section_definition::output_section_name): Return script
4645         section type to caller.
4646         (Output_section_definition::set_section_address): Do not advance
4647         dot value and load address if section type is NOLOAD.  Set address
4648         of NOLOAD sections regardless of section flags.
4649         (Output_section_definition::print): Print section type if it is
4650         not SCRIPT_SECTION_TYPE_NONE.
4651         (Output_section_definition::section_type): New method.
4652         (Output_section_definition::script_section_type_name): Ditto.
4653         (Script_sections::output_section_name): Add new parameter
4654         PSECTION_TYPE for returning script section type.  Pass it to
4655         section elements.  Handle discard sections.
4656         (Sort_output_sections::operator()): Handle NOLOAD sections.
4657         * script-sections.h (Script_sections::Section_type): New enum type.
4658         (Script_sections::output_section_name): Add a new parameter for
4659         returning script section type.
4660         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4661         INFO and NOLOAD.
4662         * yyscript.y (union): Add new field SECTION_TYPE.
4663         (COPY, DSECT, INFO, NOLOAD): New tokens.
4664         (opt_address_and_section_type): Change type to output_section_header.
4665         (section_type): New non-terminal
4666         (section_header): Handle section type.
4667         (opt_address_and_section_type): Return section type value.
4668
4669 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4670
4671         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4672         * testsuite/plugin_common_test_2.c (foo): Likewise.
4673
4674 2010-04-08  Doug Kwan  <dougkwan@google.com>
4675
4676         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4677         Output_merge_data.
4678         * output.cc (Output_section::add_merge_input_section): Simplify
4679         code and return status of Output_merge_base::add_input_section.
4680         Update merge section map only if Output_merge_base::add_input_section
4681         returns true.
4682
4683 2010-04-07  Doug Kwan  <dougkwan@google.com>
4684
4685         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4686         if section is marked as containing instructions but has no mapping
4687         symbols.
4688         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4689         correct section index.
4690         (Arm_relobj::find_linked_text_section): Ditto.
4691
4692 2010-04-07  Cary Coutant  <ccoutant@google.com>
4693
4694         * archive.cc (include_member): Destroy Read_symbols_data object before
4695         releasing file.
4696         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4697         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4698         (Read_symbols_data::~Read_symbols_data) New destructor.
4699         (Section_relocs::Section_relocs) New constructor.
4700         (Section_relocs::~Section_relocs) New destructor.
4701         (Read_relocs_data::Read_relocs_data) New constructor.
4702         (Read_relocs_data::~Read_relocs_data) New destructor.
4703         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4704         pointers to NULL after deleting.
4705
4706 2010-04-07  Doug Kwan  <dougkwan@google.com>
4707
4708         * arm.cc: Replace "endianity" with "endianness" in comments.
4709         (Arm_exidx_cantunwind): Ditto.
4710         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4711         (Arm_relobj::merge_flags_and_attributes): New method.
4712         (Arm_relobj::merge_flags_and_attributes_): New data member.
4713         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4714         (Arm_relobj::scan_sections_for_stubs): Ditto.
4715         (Arm_relobj::do_read_symbols): Check to see if we really want to
4716         merge processor-specific flags and attributes.  Exit early if
4717         an object is empty except for section names and the undefined symbol.
4718         (Target_arm::do_finalize_sections): Move check for ELF format to
4719         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4720         attributes from a regular object only when we have determined that
4721         it is aapropriate.  Do not create an .ARM.attributes section in
4722         output if there is no regular input object.
4723         (Target_arm::merge_processor_specific_flags): Check
4724         --warn-mismatch before printing any error.
4725         (Target_arm::merge_object_attributes): Ditto.
4726         * gold.cc (queue_middle_tasks): Handle the case in which there is
4727         no regular object in input.
4728         * options.cc (General_options::parse_EB): New method.
4729         (General_options::parse_EL): Same.
4730         (General_options::General_options): Initialize endianness_.
4731         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4732         New options.
4733         (General_options::Endianness): New enum.
4734         (General_options::endianness): New method.
4735         (General_options::endianness_): New data member.
4736         * parameters.cc (Parameters::set_options): Check target endianness.
4737         (Parameters::set_target_once): Ditto.
4738         (Parameters::check_target_endianness): New method.
4739         (parameters_force_valid_target): If either -EL or -EB is specified,
4740         use it to define endianness of default target.
4741         * parameters.h (Parameters::check_target_endianness): New method
4742         declaration.
4743         * target.h (class Target): Change "endianity" to "endianness"
4744         in comments.
4745
4746 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4747
4748         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4749         * configure: Regenerate.
4750         * Makefile.in: Regenerate.
4751         * testsuite/Makefile.in: Regenerate.
4752
4753 2010-04-06  Cary Coutant  <ccoutant@google.com>
4754
4755         gcc PR lto/42757
4756         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4757         prevailing definitions of common symbols.
4758         * testsuite/plugin_test_6.sh: New test case.
4759         * testsuite/plugin_common_test_1.c: New test case.
4760         * testsuite/plugin_common_test_2.c: New test case.
4761         * testsuite/Makefile.am (plugin_test_6): New test case.
4762         * testsuite/Makefile.in: Regenerate.
4763
4764 2010-04-06  Nick Clifton  <nickc@redhat.com>
4765
4766         * po/vi.po: New Vietnamese translation.
4767
4768 2010-03-30  Doug Kwan  <dougkwan@google.com>
4769
4770         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4771
4772 2010-03-25  Doug Kwan  <dougkwan@google.com>
4773
4774         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4775         to avoid a conversion warning on a 32-bit host.
4776
4777 2010-03-24  Ian Lance Taylor  <iant@google.com>
4778
4779         * testsuite/script_test_3.t: Add a TLS segment.
4780         * testsuite/Makefile.am (check_PROGRAMS): Add
4781         tls_phdrs_script_test.
4782         (tls_phdrs_script_test_SOURCES): Define.
4783         (tls_phdrs_script_test_DEPENDENCIES): Define.
4784         (tls_phdrs_script_test_LDFLAGS): Define.
4785         (tls_phdrs_script_test_LDADD): Define.
4786         * testsuite/Makefile.in: Rebuild.
4787
4788 2010-03-23  Cary Coutant  <ccoutant@google.com>
4789
4790         * fileread.cc (find_or_make_view): Fix comment.
4791
4792 2010-03-23  Ian Lance Taylor  <iant@google.com>
4793
4794         * script-sections.cc (class Orphan_section_placement): Define
4795         PLACE_TLS and PLACE_TLS_BSS.
4796         (Orphan_section_placement::Orphan_section_placement): Initialize
4797         new places.
4798         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4799         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4800         (tls_script_test_SOURCES): Define.
4801         (tls_script_test_DEPENDENCIES): Define.
4802         (tls_script_test_LDFLAGS): Define.
4803         (tls_script_test_LDADD): Define.
4804         * testsuite/Makefile.in: Rebuild.
4805
4806 2010-03-22  Doug Kwan  <dougkwan@google.com>
4807
4808         * arm.cc (Arm_relocate_functions::abs8,
4809         Arm_relocate_functions::abs16): Use correct check for overflow
4810         specified in the ARM ELF specs.
4811         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4812         target of a BLX instruction specially.
4813         (Reloc_stub::stub_type_for_reloc): Ditto.
4814         (Relocate::relocate): Use symbolic names instead of numeric relocation
4815         codes to report error.
4816         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4817         workaround.
4818         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4819         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4820         thumb2_blx_out_of_range.stdout
4821         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4822         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4823         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4824         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4825         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4826         thumb2_blx_in_range, thumb2_blx_in_range.o,
4827         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4828         thumb2_blx_out_of_range.o): New rules.
4829         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4830         thumb2_blx_in_range and thumb2_blx_out_of_range.
4831         * testsuite/Makefile.in: Regenerate.
4832         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4833         * testsuite/thumb_blx_in_range.s: New file.
4834         * testsuite/thumb_blx_out_of_range.s: New file.
4835
4836 2010-03-22  Rafael Espindola  <espindola@google.com>
4837
4838         * archive.cc (Should_include): Move to archive.h.
4839         (should_include_member): Make it a member of Archive.
4840         (Lib_group): New.
4841         (Add_lib_group_symbols): New.
4842         * archive.h: Include options.h.
4843         (Archive_member): Moved from Archive.
4844         (Should_include): Moved from archive.cc.
4845         (Lib_group): New.
4846         (Add_lib_group_symbols): New.
4847         * dynobj.cc (do_should_include_member): New.
4848         * dynobj.h (do_should_include_member): New.
4849         * gold.cc (queue_initial_tasks): Update call to queue.
4850         * main.cc (main): Print lib group stats.
4851         * object.cc (do_should_include_member): New.
4852         * object.h: Include archive.h.
4853         (Object::should_include_member): New.
4854         (Object::do_should_include_member): New.
4855         (Sized_relobj::do_should_include_member): New.
4856         * options.cc (General_options::parse_start_lib): New.
4857         (General_options::parse_end_lib): New.
4858         (Input_arguments::add_file): Handle lib groups.
4859         (Input_arguments::start_group): Check we are not in a lib.
4860         (Input_arguments::start_lib): New.
4861         (Input_arguments::end_lib): New.
4862         * options.h (General_options): Add start_lib and end_lib.
4863         (Input_argument::lib_): New.
4864         (Input_argument::lib): New.
4865         (Input_argument::is_lib): New.
4866         (Input_file_lib): New.
4867         (Input_arguments::in_lib_): New.
4868         (Input_arguments::in_lib): New.
4869         (Input_arguments::start_lib): New.
4870         (Input_arguments::end_lib_): New.
4871         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4872         in unused members as preempted.
4873         (Sized_pluginobj::do_should_include_member): New.
4874         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4875         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4876         return the blocker.
4877         (Read_symbols::do_whole_lib_group): New.
4878         (Read_symbols::do_lib_group): New.
4879         (Read_symbols::do_read_symbols): Handle lib groups.
4880         (Read_symbols::get_name): Handle lib groups.
4881         * readsyms.h (Read_symbols): Add an archive member pointer.
4882         (Read_symbols::do_whole_lib_group): New.
4883         (Read_symbols::do_lib_group): New.
4884         (Read_symbols::member_): New.
4885         * script.cc (read_input_script): Update call to queue_soon.
4886
4887 2010-03-19  Doug Kwan  <dougkwan@google.com>
4888
4889         * arm.cc (Stub_table::Stub_table): Initialize new data members
4890         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4891         (Stub_table::add_reloc_stub): Assign stub offset and update
4892         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4893         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4894         New data members.
4895         (Stub_table::update_data_size_and_addralign): Use
4896         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4897         instead of going over all reloc stubs.
4898         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4899         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4900         Stringpool_template::offset_ to size of Stringpool_char.
4901         (Stringpool_template::new_key_offset): Remove code to initialize
4902         Stringpool_template::offset_.
4903         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4904         Stringpool_template::offset_ to zero.
4905
4906 2010-03-15  Doug Kwan  <dougkwan@google.com>
4907
4908         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4909         offset_.
4910         (Stringpool_template::new_key_offset): New method.
4911         (Stringpool_template::add_string): Assign offsets when adding new
4912         strings.
4913         (Stringpool_template::set_string_offsets): Do not set string offsets
4914         when not optimizing.
4915         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4916         member size_.
4917         (Chunked_vector::clear): Clear size_.
4918         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4919         (Chunked_vector::size): Return size_.
4920         (Chunked_vector::push_back): Use size_ to find insert position.
4921         (Chunked_vector::size_): New data member.
4922         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4923         (Stringpool_template::new_key_offset): New method declaration.
4924         (Stringpool_template::offset_): New data member.
4925
4926 2010-03-15   Rafael Espindola  <espindola@google.com>
4927
4928         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4929         Add_symbols' constructor.
4930         * readsyms.h (Add_symbols): Remove the input_group member.
4931
4932 2010-03-10  Ian Lance Taylor  <iant@google.com>
4933
4934         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4935         target to ask whether a reference to a symbol requires a stack
4936         split.
4937         * target.h (Target::is_call_to_non_split): New function.
4938         (Target::do_is_call_to_non_split): Declare virtual function.
4939         * target.cc: Include "symtab.h".
4940         (Target::do_is_call_to_non_split): New function.
4941         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4942
4943 2010-03-10  Cary Coutant  <ccoutant@google.com>
4944
4945         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4946         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4947         (File_read::open[2]): Add whole_file_view_ to list of views.
4948         (File_read::make_view): Remove test of whole_file_view_.
4949         (File_read::find_or_make_view): Create whole_file_view_ if
4950         necessary.
4951         (File_read::clear_views): Replace bool parameter with enum;
4952         adjust all callers.  Don't delete views with permanent data;
4953         do delete cached views and views from archives if
4954         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4955         if clearing the corresponding view.
4956         * fileread.h (File_read::Clear_views_mode): New enum.
4957         (File_read::View::is_permanent_view): New method.
4958         (File_read::clear_views): Replace bool parameter
4959         with enum; adjust all callers.
4960         * options.h (General_options): Change keep_files_mapped option;
4961         add map_whole_files.
4962         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4963         releasing the file.
4964         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4965         the file.
4966
4967 2010-03-10  David S. Miller  <davem@davemloft.net>
4968
4969         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4970
4971 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4972
4973         * icf.cc (get_section_contents): Add '@' marker after processing the
4974         merge reloc.
4975
4976 2010-03-08  Doug Kwan  <dougkwan@google.com>
4977
4978         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4979         due to a conversion warning.
4980         (Arm_relobj::update_output_local_symbol_count): Check for local
4981         symbol with unset output index.
4982
4983 2010-03-05  Ian Lance Taylor  <iant@google.com>
4984
4985         * options.h (class General_options): Add --spare-dynamic-tags.
4986         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4987         --spare-dynamic-tags.
4988
4989 2010-03-05  Ian Lance Taylor  <iant@google.com>
4990
4991         * incremental.cc: Include "libiberty.h".
4992
4993 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4994
4995         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4996         function, is_info_ member.
4997         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4998         (Versions::Versions): Update caller.
4999         (Versions::define_base_version): Likewise.
5000         (Versions::add_def): Likewise.
5001
5002 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5003
5004         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5005         (Scan::possible_function_pointer_reloc): New function.
5006         (Scan::local_reloc_may_be_function_pointer): Change to call
5007         possible_function_pointer_reloc.
5008         (Scan::global_reloc_may_be_function_pointer): Ditto.
5009         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5010         relocations in ".data.rel.ro._ZTV" section.
5011         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5012         * testsuite/icf_safe_so_test.cc: Ditto.
5013         * testsuite/icf_safe_test.cc: Ditto.
5014         * testsuite/icf_safe_test.sh: Ditto.
5015
5016 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5017             Ian Lance Taylor  <iant@google.com>
5018
5019         * target-reloc.h (relocate_section): Check the symbol table index
5020         for -1U before setting the local symbol index.
5021         (scan_relocatable_relocs): If copying the relocation, record that
5022         the local symbol is required.
5023         * object.h (Symbol_value::is_output_symtab_index_set): New
5024         function.
5025         (Symbol_value::may_be_discarded_from_output_symtab): New
5026         function.
5027         (Symbol_value::has_output_symtab_entry): New function.
5028         (Symbol_value::needs_output_symtab_entry): Remove.
5029         (Symbol_value::output_symtab_index): Make sure the symbol index is
5030         set.
5031         (Symbol_value::set_output_symtab_index): Make sure the symbol
5032         index is not set.  Make sure the new index is valid.
5033         (Symbol_value::set_must_have_output_symtab_entry): New function.
5034         (Symbol_value::has_output_dynsym_entry): New function.
5035         (Symbol_value::set_output_dynsym_index): Make sure the new index
5036         is valid.
5037         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5038         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5039         local symbol if permitted.
5040         (Sized_relobj::do_finalize_local_symbols): Call
5041         is_output_symtab_index_set rather than needs_output_symtab_entry.
5042         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5043         rather than needs_output_symtab_entry.  Call
5044         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5045         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5046         is_output_symtab_index_set rather than needs_output_symtab_entry.
5047         * testsuite/discard_locals_relocatable_test.c: New file.
5048         * testsuite/discard_locals_test.sh: Test -r.
5049         * testsuite/Makefile.am (check_DATA): Add
5050         discard_locals_relocatable_test1.syms,
5051         discard_local_relocatable_test2.syms.
5052         (MOSTLYCLEANFILES): Likewise.  Also add
5053         discard_locals_relocatable_test1.lout and
5054         discard_locals_relocatable_test2.out.
5055         (discard_locals_relocatable_test1.syms): New target.
5056         (discard_locals_relocatable_test.o): New target.
5057         (discard_locals_relocatable_test1.out): New target.
5058         (discard_locals_relocatable_test2.syms): New target.
5059         (discard_locals_relocatable_test2.out): New target.
5060         (various): Add missing ../ld-new dependencies.
5061         * testsuite/Makefile.in: Rebuild.
5062
5063 2010-03-03  Nick Clifton  <nickc@redhat.com>
5064
5065         * po/fi.po: New Finnish translation.
5066
5067 2010-03-01  Doug Kwan  <dougkwan@google.com>
5068
5069         * layout.cc (Layout::Layout): Force section types of .init_array*,
5070         .preinit_array* and .fini_array* sections.
5071         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5072         Fix check of return value of std::string::find.().
5073         (Output_section::Input_section_sort_compare::operator()): Remove
5074         comment about .init_array.
5075         (Output_section::Input_section_sort_init_fini_compare::operator()):
5076         New method.
5077         (Output_section::sort_attached_input_sections): Handle .init_array
5078         and .fini_array specially.
5079         * output.h (Output_section::Inut_section_sort_compare): Update
5080         comment.
5081         (Output_section::Input_section_sort_init_fini_compare): New struct.
5082
5083 2010-02-26  Doug Kwan  <dougkwan@google.com>
5084
5085         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5086         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5087         * testsuite/debug_msg.sh: Avoid matching source line number for
5088         use of global variable undef_int.
5089
5090 2010-02-26  Doug Kwan  <dougkwan@google.com>
5091
5092         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5093         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5094         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5095         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5096         * options.cc (General_options::General_options): Initialize member
5097         fix_v4bx_.
5098         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5099         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5100         and rm_no_fix_v4bx.stdout
5101         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5102         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5103         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5104         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5105         and arm_no_fix_v4bx.
5106         * Makefile.in: Regenerate.
5107         * testsuite/arm_fix_v4bx.s: New file.
5108         * testsuite/arm_fix_v4bx.sh: Ditto.
5109
5110 2010-02-24  Doug Kwan  <dougkwan@google.com>
5111
5112         * arm.cc (Target_arm::got_section): Make the .got section the first
5113         non RELRO section in the data segment.
5114         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5115         suffixes of section names.
5116
5117 2010-02-24  Doug Kwan  <dougkwan@google.com>
5118
5119         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5120         flags and attributes merging if an input file is a binary file.
5121         * fileread.cc (Input_file::open): Record format of original file.
5122         * fileread.h (Input_file::Format): New enum type.
5123         (Input_file::Input_file): Initialize data member format_.
5124         (Input_file::format): New method definition.
5125         (Input_file::format_):: New data member.
5126
5127 2010-02-24  Doug Kwan  <dougkwan@google.com>
5128
5129         * arm.cc (Arm_output_data_got): New class.
5130         (ARM_TCB_SIZE): New constant
5131         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5132         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5133         If user uses a script with a SECTIONS clause, issue only a warning
5134         for a misplaced EXIDX input section.  Otherwise, issue an error.
5135         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5136         garbage collection.
5137         (Target_arm::got_mode_index_entry): Handle static linking.
5138         (Target_arm::Scan::local): Ditto.
5139         (Target_arm::Scan::global): Ditto.
5140         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5141         all incorrectly implemented relocations.
5142         (Target_arm::fix_exidx_coverage): Pass layout to
5143         Arm_output_section::fix_exidx_coverage.
5144         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5145         from ".ARM.exidx." and ".ARM.extab.".
5146
5147 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5148
5149         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5150         section if it does not already exist.
5151         * attributes.cc (Attributes_section_data::Attributes_section_data):
5152         Don't crash if size is zero.
5153
5154 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5155             Ian Lance Taylor  <iant@google.com>
5156
5157         * gold.cc (queue_middle_tasks): If no input files were opened,
5158         exit.
5159         * workqueue.h (Task_function::Task_function): Assert that there is
5160         a blocker.
5161
5162 2010-02-22  Doug Kwan  <dougkwan@google.com>
5163
5164         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5165         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5166         types to avoid warnings due to different uint64_t implementations
5167         on different hosts.
5168
5169 2010-02-21  Doug Kwan  <dougkwan@google.com>
5170
5171         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5172         handling of the maximum backward branch offset.
5173         (Arm_relocate_functions::thumb_branch_common): Ditto.
5174         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5175         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5176         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5177         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5178         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5179         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5180         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5181         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5182         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5183         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5184         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5185         thumb2_bl_out_of_range.o): New rules.
5186         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5187         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5188         thumb2_bl_out_of_range
5189         * testsuite/Makefile.in: Regenerate.
5190         * testsuite/arm_bl_in_range.s: New file.
5191         * testsuite/arm_bl_out_of_range.s: Ditto.
5192         * testsuite/arm_branch_in_range.sh: Ditto.
5193         * testsuite/arm_branch_range.t: Ditto.
5194         * testsuite/thumb2_branch_range.t: Ditto.
5195         * testsuite/thumb_bl_in_range.s: Ditto.
5196         * testsuite/thumb_bl_out_of_range.s: Ditto.
5197         * testsuite/thumb_branch_range.t: Ditto.
5198
5199 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5200
5201         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5202         Add reloc offset information.
5203         * icf.cc (get_section_contents): Change iterators to point to the new
5204         vectors. Add reloc offset information to the contents.
5205         * icf.h (Icf::Sections_reachable_info): New typedef.
5206         (Icf::Sections_reachable_list): New typedef.
5207         (Icf::Offset_info): New typedef.
5208         (Icf::Reloc_info): New struct typedef.
5209         (Icf::Reloc_info_list): New typedef.
5210         (Icf::symbol_reloc_list): Delete method.
5211         (Icf::addend_reloc_list): Delete method.
5212         (Icf::section_reloc_list): Delete method.
5213         (Icf::reloc_info_list): New method.
5214         (Icf::reloc_info_list_): New member.
5215
5216 2010-02-19  Doug Kwan  <dougkwan@google.com>
5217
5218         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5219         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5220         * arm.cc (Arm_relocation_functions): New forward declaration.
5221         (Target_arm::Target_arm): Initialize new data members
5222         got_mod_index_offset_ and tls_base_symbol_defined_.
5223         (Target_arm::Relocate::relocate_tls): New method.
5224         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5225          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5226         New methods.
5227         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5228         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5229         (Target_arm::got_mod_index_offset_,
5230         Target_arm::tls_base_symbol_defined_): New data members.
5231         (Target_arm::Scan::local, Target::Scan::global,
5232         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5233         relocations.
5234
5235 2010-02-18  Doug Kwan  <dougkwan@google.com>
5236
5237         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5238         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5239         text section as a parameter becuase some broken tools may not set
5240         the link in section header.
5241         (Target_arm::has_got_section): New method.
5242         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5243         without any mapping symbol as data only.  Remove warning.
5244         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5245         link in its section header, try to discover the link by inspecting the
5246         REL31 relocation at the beginning of the section.
5247         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5248         in error message.
5249         (Target_arm::Scan::global): Treat any reference to the symbol
5250         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5251
5252 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5253
5254         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5255         (Scan::global_reloc_may_be_function_pointer): New function.
5256         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5257         (Scan::global_reloc_may_be_function_pointer): New function.
5258         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5259         (Scan::global_reloc_may_be_function_pointer): New function.
5260         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5261         (Scan::global_reloc_may_be_function_pointer): New function.
5262         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5263         (Scan::global_reloc_may_be_function_pointer): New function.
5264         (Scan::possible_function_pointer_reloc): New function.
5265         (Target_x86_64::can_check_for_function_pointers): New function.
5266         * gc.h (gc_process_relocs): Scan relocation types to determine if
5267         function pointers were taken for targets that support it.
5268         * icf.cc (Icf::find_identical_sections): Include functions for
5269         folding in safe ICF whose pointer is not taken.
5270         * icf.h (Secn_fptr_taken_set): New typedef.
5271         (fptr_section_id_): New member.
5272         (section_has_function_pointers): New function.
5273         (set_section_has_function_pointers): New function.
5274         (check_section_for_function_pointers): New function.
5275         * options.h: Fix comment for safe ICF option.
5276         * target.h (can_check_for_function_pointers): New function.
5277         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5278         Modify icf_safe_test for X86-64.
5279         * testsuite/Makefile.in: Regenerate.
5280         * testsuite/icf_safe_so_test.cc: New file.
5281         * testsuite/icf_safe_so_test.sh: New file.
5282         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5283         (main): Change to take pointer to function kept_func_3.
5284         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5285         folding is done correctly for X86-64.
5286
5287 2010-02-12  David S. Miller  <davem@davemloft.net>
5288
5289         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5290         is_symbolless parameter.
5291         (Output_reloc<SHT_REL>::is_symbolless): New.
5292         (Output_reloc<SHT_REL>::is_symbolless_): New.
5293         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5294         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5295         (Output_reloc<SHT_RELA>::is_symbolless): New.
5296         (Output_data_reloc::add_global): Handle is_symbolless.
5297         (Output_data_reloc::add_global_relative): Likewise.
5298         (Output_data_reloc::add_local): Likewise.
5299         (Output_data_reloc::add_local_relative): Likewise.
5300         (Output_data_reloc::add_symbolless_global_addend): New.
5301         (Output_data_reloc::add_symbolless_local_addend): New.
5302         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5303         is_symbolless.
5304         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5305         instead of ->is_relative_
5306         (Output_reloc::write): Likewise.
5307         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5308         (Output_reloc::write_rel): Simplify.
5309
5310         * sparc.cc (Target_sparc::Scan::local): Use
5311         ->add_symbolless_local_addend as needed.
5312         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5313         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5314         based upon relocation offset.
5315
5316 2010-02-11  Doug Kwan  <dougkwan@google.com>
5317
5318         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5319         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5320         beginning of function.
5321         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5322         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5323         parameter is_32bit in calls to should_apply_static_reloc.
5324         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5325         (check_DATA): Add arm_abs_global.stdout.
5326         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5327         arm_abs_global.stdout): New rules.
5328         (MOSTLLYCLEANFILES): Add arm_abs_global
5329         * Makefile.in: Regenerate.
5330         * testsuite/arm_abs_global.s: New file.
5331         * testsuite/arm_abs_global.sh: Ditto.
5332         * testsuite/arm_abs_lib.s: Ditto.
5333
5334 2010-02-11  Ian Lance Taylor  <iant@google.com>
5335
5336         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5337         Read_relocs task.
5338         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5339         Allocate_commons_task first.
5340         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5341         task, rather than symtab_lock_.
5342         (Gc_process_relocs::~Gc_process_relocs): New function.
5343         (Gc_process_relocs::is_runnable): Check this_blocker_.
5344         (Gc_process_relocs::locks): Use next_blocker_ rather than
5345         blocker_.
5346         (Scan_relocs::~Scan_relocs): New function.
5347         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5348         symtab_lock_.
5349         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5350         next_blocker_.
5351         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5352         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5353         constructor accordingly.
5354         (class Gc_process_relocs): Likewise.
5355         (class Scan_relocs): Likewise.
5356         * common.h (class Allocate_commons_task): Remove symtab_lock_
5357         field, and corresponding constructor parameter.
5358         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5359         symtab_lock_.
5360         (Allocate_commons_task::locks): Likewise.
5361
5362 2010-02-11  Ian Lance Taylor  <iant@google.com>
5363
5364         * gold-threads.h (class Once): Define.
5365         (class Initialize_lock): Rewrite as child of Once.
5366         * gold-threads.cc (class Once_initialize): Define.
5367         (once_pointer_control): New static variable.
5368         (once_pointer, once_arg): New static variables.
5369         (c_run_once): New static function.
5370         (Once::Once, Once::run_once, Once::internal_run): New functions.
5371         (class Initialize_lock_once): Remove.
5372         (initialize_lock_control): Remove.
5373         (initialize_lock_pointer): Remove.
5374         (initialize_lock_once): Remove.
5375         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5376         (Initialize_lock::initialize): Rewrite.
5377         (Initialize_lock::do_run_once): New function.
5378         * archive.cc (Archive::interpret_header): Only clear name if it is
5379         not already empty.
5380         * fileread.cc: Include "gold-threads.h"
5381         (file_counts_lock): New static variable.
5382         (file_counts_initialize_lock): Likewise.
5383         (File_read::release): Only increment counts when using --stats.
5384         Use a lock around the increment.
5385         * parameters.cc (class Set_parameters_target_once): Define.
5386         (set_parameters_target_once): New static variable.
5387         (Parameters::Parameters): Move here from parameters.h.
5388         (Parameters::set_target): Rewrite.
5389         (Parameters::set_target_once): New function.
5390         (Parameters::clear_target): Move here and rewrite.
5391         * parameters.h (class Parameters): Update declarations.  Add
5392         set_parameters_target_once_ field.
5393         (Parameters::Parameters): Move to parameters.cc.
5394         (Parameters::clear_target): Likewise.
5395         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5396         task.
5397         (Start_group::~Start_group): New function.
5398         (Start_group::is_runnable): New function.
5399         (Start_group::locks, Start_group::run): New functions.
5400         (Finish_group::run): Change saw_undefined to size_t.
5401         * readsyms.h (class Start_group): Define.
5402         (class Finish_group): Change saw_undefined_ field to size_t.
5403         (Finish_group::Finish_group): Remove saw_undefined and
5404         this_blocker parameters.  Change all callers.
5405         (Finish_group::set_saw_undefined): New function.
5406         (Finish_group::set_blocker): New function.
5407         * symtab.h (class Symbol_table): Change saw_undefined to return
5408         size_t.  Change saw_undefined_ field to size_t.
5409         * target-select.cc (Set_target_once::do_run_once): New function.
5410         (Target_selector::Target_selector): Initialize set_target_once_
5411         field.  Don't initialize lock_ and initialize_lock_ fields.
5412         (Target_selector::instantiate_target): Rewrite.
5413         (Target_selector::set_target): New function.
5414         * target-select.h (class Set_target_once): Define.
5415         (class Target_selector): Update declarations.  Make
5416         Set_target_once a friend.  Remove lock_ and initialize_lock_
5417         fields.  Add set_target_once_ field.
5418
5419 2010-02-10  Ian Lance Taylor  <iant@google.com>
5420
5421         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5422         queueing any tasks.
5423         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5424         (queue_middle_tasks): Add all blockers before queueing any tasks.
5425         (queue_final_tasks): Likewise.
5426         * token.h (Task_token::add_blockers): New function.
5427         * object.h (Input_objects::number_of_relobjs): New function.
5428
5429 2010-02-10  Ian Lance Taylor  <iant@google.com>
5430
5431         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5432         shared, not if not position independent.
5433         * x86_64.cc (Relocate::relocate_tls): Likewise.
5434         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5435         (tls_pie_pic_test): New target.
5436         * testsuite/Makefile.in: Rebuild.
5437
5438         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5439         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5440         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5441         * testsuite/Makefile.in: Rebuild.
5442
5443 2010-02-09  David S. Miller  <davem@davemloft.net>
5444
5445         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5446         R_SPARC_RELATIVE using ->add_local_relative().
5447         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5448
5449         * output.h (Output_data_dynamic::add_section_size): New method
5450         that takes two Output_data objects.
5451         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5452         entry param.  Handle it in initializers.
5453         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5454         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5455         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5456         arg.
5457         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5458         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5459         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5460         for dynrel_includes_plt.
5461         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5462         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5463         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5464         before .rela.plt
5465         (Target_sparc::do_finalize_sections): Update to pass true for
5466         dynrel_includes_plt.
5467         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5468         output before .rela.plt
5469         (Target_powerpc::do_finalize_sections): Update to pass true for
5470         dynrel_includes_plt when 32-bit.
5471
5472 2010-02-08  Doug Kwan  <dougkwan@google.com>
5473
5474         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5475         method.
5476         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5477         Arm_relobj::scan_section_for_cortex_a8_stubs,
5478         Arm_relobj::do_relocation_section): Instead of calling
5479         Output_section::output_address, use faster
5480         Arm_relobj::simple_input_section_output_address.
5481
5482 2010-02-08  David S. Miller  <davem@davemloft.net>
5483
5484         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5485         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5486         relocation helper function.
5487
5488         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5489         just like R_SPARC_GOT{10,13,22}.
5490         (Target_sparc::Scan::local): Likewise.
5491         (Target_sparc::Relocate:relocate): Likewise.
5492
5493 2010-02-06  Ian Lance Taylor  <iant@google.com>
5494
5495         * configure.ac: Rewrite targetobjs duplicate removal code to use
5496         only shell constructs.
5497         * configure: Rebuild.
5498
5499 2010-02-05  Doug Kwan  <dougkwan@google.com>
5500
5501         PR 11247
5502         * arm.cc (Arm_relobj::section_is_scannable): New method.
5503         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5504         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5505
5506 2010-02-04  Doug Kwan  <dougkwan@google.com>
5507
5508         PR 11247
5509         * arm-reloc-property.cc (cstdio): Include.
5510         * configure.ac (targetobjs): Remove duplicates.
5511         * configure: Regenerate.
5512         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5513         big and little endian version for a given address size.
5514
5515 2010-02-03  Doug Kwan  <dougkwan@google.com>
5516
5517         * arm-reloc-property.cc
5518         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5519         definition.
5520         * arm-reloc-property.h
5521         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5522         New method definition.
5523         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5524         declaration.
5525         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5526         overflow to N.
5527         (GOT_PREL): Change implemented to Y.
5528         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5529         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5530         (Arm_relocate_functions::movw_abs_nc): Remove method.
5531         (Arm_relocate_functions::movt_abs): Ditto.
5532         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5533         (Arm_relocate_functions::thm_movt_abs): Ditto.
5534         (Arm_relocate_functions::movw_rel_nc): Ditto.
5535         (Arm_relocate_functions::movw_rel): Ditto.
5536         (Arm_relocate_functions::movt_rel): Ditto.
5537         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5538         (Arm_relocate_functions:thm_movw_rel): Ditto.
5539         (Arm_relocate_functions:thm_movt_rel): Ditto.
5540         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5541         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5542         New method definitions.
5543         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5544         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5545         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5546         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5547         (Target_arm::Relocate::relocate): Check for non-static or
5548         unimplemented relocation code and exit early.  Change calls to
5549         Target_arm::reloc_uses_thumb_bit and
5550         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5551         instead.  Refactor code to handle similar relocations to increase
5552         code sharing.  Remove check for unsupported relocation code in switch
5553         statement.
5554         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5555         relocation property table to find out size.  Change error message to
5556         print out the name of a relocation code instead of the numeric value.
5557         (Target_arm::scan_reloc_for_stub): Use relocation property table
5558         instead of calling Target_arm::reloc_uses_thumb_bit().
5559
5560 2010-02-02  Doug Kwan  <dougkwan@google.com>
5561
5562         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5563         types of relaxed input section.
5564
5565 2010-02-02  Doug Kwan  <dougkwan@google.com>
5566
5567         * Makefile.am (HFILES): Add arm-reloc-property.h.
5568         (DEFFILES): New.
5569         (TARGETSOURCES): Add arm-reloc-property.cc
5570         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5571         (libgold_a_SOURCES): $(DEFFILES)
5572         * Makefile.in: Regenerate.
5573         * arm-reloc-property.cc: New file.
5574         * arm-reloc-property.h: New file.
5575         * arm-reloc.def: New file.
5576         * arm.cc: Update comments.
5577         (arm-reloc-property.h): New included header.
5578         (arm_reloc_property_table): New global variable.
5579         (Target_arm::do_select_as_default_target): New method definition.
5580         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5581         arm-reloc-property to targ_extra_obj.
5582         * parameters.cc (set_parameters_target): Call
5583         Target::select_as_default_target().
5584         * target.h (Target::select_as_default_target): New method definition.
5585         (Target::do_select_as_default_target): Same.
5586
5587 2010-02-01  Doug Kwan  <dougkwan@google.com>
5588
5589         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5590         first_output_text_section_.
5591         (Arm_exidx_fixup::first_output_text_section): New method definition.
5592         (Arm_exidx_fixup::first_output_text_section_): New data member.
5593         (Arm_exidx_fixup::process_exidx_section): Record the first text
5594         output section seen.
5595         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5596         and entsize in output section header.
5597
5598 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5599
5600         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5601         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5602         (Arm_relocate_functions::thm_alu11): New Method.
5603         (Arm_relocate_functions::thm_pc8): New Method.
5604         (Arm_relocate_functions::thm_pc12): New Method.
5605         (Target_arm::Scan::local): Handle the relocations.
5606         (Target_arm::Scan::global): Likewise.
5607         (Target_arm::Relocate::relocate): Likewise.
5608         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5609
5610 2010-01-29  Doug Kwan  <dougkwan@google.com>
5611
5612         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5613         of relocation types as ld.
5614
5615 2010-01-29  Doug Kwan  <dougkwan@google.com>
5616
5617         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5618         to public.
5619         (Arm_relocate_functions::thumb_branch_common): Ditto.
5620         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5621         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5622         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5623         Arm_relocate_functions::jump24): Remove.
5624         (Target_arm::Relocate::relocate): Adjust code to call
5625         Arm_relocation_functions::arm_branch_common and
5626         Arm_relocation_functions::thumb_branch_common instead of their removed
5627         wrappers.  Merge switch-cases together to reduce source code size.
5628
5629 2010-01-29  Doug Kwan  <dougkwan@google.com>
5630
5631         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5632         output_local_symbol_count_needs_update_.
5633         (Arm_relobj::output_local_symbol_count_needs_update,
5634          Arm_relobj::set_output_local_symbol_count_needs_update,
5635          Arm_relobj::update_output_local_symbol_count): New methods.
5636         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5637         member.
5638         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5639         of pointed function as in a R_ARM_PREL31 relocation.
5640         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5641         for output local symbol count updating.
5642         (Target_arm::do_relax): Update output local symbol counts in objects
5643         if necessary.
5644         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5645
5646 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5647
5648         * arm.cc: Added support for the ARM relocations:
5649         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5650         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5651         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5652         movw_prel_nc).
5653         (Arm_relocate_functions::movw_rel): New method.
5654         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5655         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5656         thm_movw_prel_nc).
5657         (Arm_relocate_functions::thm_movw_rel): New method.
5658         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5659         thm_movt_prel).
5660         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5661         relocations.
5662         (Target_arm::Scan::global): Likewise.
5663         (Target_arm::Relocate::relocate): Likewise.
5664         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5665         Likewise.
5666
5667 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5668
5669         * arm.cc: Added support for ARM group relocations.
5670         (Target_arm::reloc_needs_sym_origin): New method.
5671         (Arm_relocate_functions::calc_grp_kn): New method.
5672         (Arm_relocate_functions::calc_grp_residual): New method.
5673         (Arm_relocate_functions::calc_grp_gn): New method.
5674         (Arm_relocate_functions::arm_grp_alu): New Method.
5675         (Arm_relocate_functions::arm_grp_ldr): New Method.
5676         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5677         (Arm_relocate_functions::arm_grp_ldc): New Method.
5678         (Target_arm::Scan::local): Handle the ARM group relocations.
5679         (Target_arm::Scan::global): Likewise.
5680         (Target_arm::Relocate::relocate): Likewise.
5681         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5682         Likewise.
5683
5684 2010-01-26  Doug Kwan  <dougkwan@google.com>
5685
5686         * arm.cc (set): Include.
5687         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5688         pointer type.
5689         (Arm_output_section::Text_section_list): New type.
5690         (Arm_output_section::append_text_sections_to_list): New method.
5691         (Arm_output_section::fix_exidx_coverage): Ditto.
5692         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5693         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5694         Relobj::set_section_offset() instead of
5695         Sized_relobj::invalidate_section_offset().
5696         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5697         parameter for section headers. Ignore relocation sections for
5698         unallocated sections and EXIDX sections.
5699         (Target_arm::fix_exidx_coverage): New method.
5700         (Target_arm::output_section_address_less_than): New type.
5701         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5702         linked text section instead of the EXIDX section.
5703         (Arm_output_section::create_stub_group): Add an assertion to check
5704         that this is not an EXIDX output section.
5705         (Arm_output_section::append_text_sections_to_list): New method.
5706         (Arm_output_section::fix_exidx_coverage): Ditto.
5707         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5708         Arm_relobj::section_needs_reloc_stub_scanning.
5709         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5710         first pass.
5711         (Target_arm::fix_exidx_coverage): New method.
5712         * object.h (Relobj::set_output_section): New method.
5713         (Sized_relobj::invalidate_section_offset): Remove method.
5714         (Sized_relobj::do_invalidate_section_offset): Remove method.
5715         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5716
5717 2010-01-25  Doug Kwan  <dougkwan@google.com>
5718
5719         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5720         Fix warning due to signed and unsigned comparison on a 32-bit host.
5721
5722 2010-01-22  Doug Kwan  <dougkwan@google.com>
5723
5724         * arm.cc (Target_arm::do_relax): Record an output section for section
5725         offset adjustment it contains any stub table that has changed.
5726         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5727         offsets in an output section if necessary.
5728         * output.cc (Output_section::Output_section): Initialize
5729         section_offsets_need_adjustments_.
5730         (Output_section::add_input_section_for_script): Renamed to
5731         Output_section::add_simple_input_section.
5732         (Output_section::save_states): Add a comment.
5733         (Output_section::discard_states): New method defintion.
5734         (Output_section::adjust_section_offsets): Same.
5735         * output.h (Output_section::add_input_section_for_script): Renamed to
5736         Output_section::add_simple_input_section.
5737         (Output_section::discard_states): New method declaration.
5738         (Output_section::adjust_section_offsets): Same.
5739         (Output_section::section_offsets_need_adjustment,
5740         Output_section::set_section_offsets_need_adjustment): New method
5741         definitions.
5742         (Output_section::section_offsets_need_adjustment_): New data member.
5743         * script-sections.cc
5744         (Output_section_element_input::set_section_address): Adjust code for
5745         renaming of Output_section::add_input_section_for_script.
5746         (Orphan_output_section::set_section_address): Same.
5747
5748 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5749
5750         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5751         Fix_v4bx enum values .
5752         * gold/options.h (General_options): New option definitions.
5753         (General_options::fix_v4bx): New method.
5754         (General_options::Fix_v4bx): New enum.
5755         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5756         (General_options::parse_fix_v4bx_interworking): New method.
5757
5758 2010-01-22  Doug Kwan  <dougkwan@google.com>
5759
5760         * arm.cc (Arm_exidx_fixup): New class.
5761
5762 2010-01-21  Doug Kwan  <dougkwan@google.com>
5763
5764         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5765         classes.
5766         (Arm_exidx_section_offset_map): New type.
5767
5768 2010-01-21  Doug Kwan  <dougkwan@google.com>
5769
5770         * arm.cc (Arm_exidx_input_section): New class.
5771         (Arm_relobj::exidx_input_section_by_link,
5772         Arm_relobj::exidx_input_section_by_shndx,
5773         Arm_relobj::make_exidx_input_section): New methods.
5774         (read_arm_attributes_section): Remove.
5775         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5776         information about them.
5777         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5778         to here.
5779
5780 2010-01-20  Doug Kwan  <dougkwan@google.com>
5781
5782         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5783         Input_section_specifier to Section_id.
5784         (Target_arm::new_arm_input_section: Adjust code for change of key
5785         type.
5786         (Target_arm::find_arm_input_section): Ditto.
5787         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5788         (Section_id): Remove.
5789         (Garbage_collection::Section_id_hash): Remove.
5790         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5791         (Section_id): Remove.
5792         (Icf::Section_id_hash): Remove.
5793         * object.h (Section_id, Const_section_id, Section_id_hash,
5794         Const_section_id_hash): New type definitions.
5795         * output.cc (Output_section::add_relaxed_input_section): Change to
5796         use Const_section_id instead of Input_section_specifier as key type.
5797         (Output_section::add_merge_input_section): Ditto.
5798         (Output_section::build_relaxation_map): Change to use Section_id
5799         instead of Input_section_specifier as key type.
5800         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5801         Ditto.
5802         (Output_section::convert_input_sections_to_relaxed_sections): Change
5803         to use Const_section_id instead of Input_section_specifier as key type.
5804         (Output_section::find_merge_section): Ditto.
5805         (Output_section::find_relaxed_input_section): Ditto.
5806         * output.h (Input_section_specifier): Remove class.
5807         (Output_section::Output_section_data_by_input_section_map): Change
5808         key type to Const_section_id.
5809         (Output_section::Output_relaxed_input_section_by_input_section_map):
5810         Ditto.
5811         (Output_section::Relaxation_map): Change key type to Section_id.
5812
5813 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5814
5815         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5816         (class Arm_v4bx_stub): New class.
5817         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5818         (Stub_factory::make_arm_v4bx_stub): New method.
5819         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5820         (Stub_table::empty): Handle v4bx stubs.
5821         (Stub_table::add_arm_v4bx_stub): New method.
5822         (Stub_table::find_arm_v4bx_stub): New method.
5823         (Arm_relocate_functions::v4bx): New method.
5824         (Target_arm::fix_v4bx): New method.
5825         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5826         (Stub_table::relocate_stubs): Likewise.
5827         (Stub_table::do_write): Likewise.
5828         (Stub_table::update_data_size_and_addralign): Likewise.
5829         (Stub_table::finalize_stubs):  Likewise.
5830         (Target_arm::Scan::local): Likewise.
5831         (Target_arm::Scan::global): Likewise.
5832         (Target_arm::do_finalize_sections): Likewise.
5833         (Target_arm::Relocate::relocate): Likewise.
5834         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5835         Likewise.
5836         (Target_arm::scan_reloc_for_stub): Likewise.
5837         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5838
5839 2010-01-19  Ian Lance Taylor  <iant@google.com>
5840
5841         * output.cc (Output_section_headers::do_sized_write): Write large
5842         segment count to sh_info field.
5843         (Output_file_header::do_sized_write): For large segment count,
5844         write PN_XNUM to e_phnum field.
5845
5846 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5847
5848         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5849         (Arm_relocate_functions::thm_jump8): New function.
5850         (Arm_relocate_functions::thm_jump11): New function.
5851         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5852         R_ARM_THM_JUMP11.
5853         (Target_arm::Scan::global): Likewise.
5854         (Target_arm::Relocate::relocate): Likewise.
5855         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5856         Likewise.
5857
5858 2010-01-14  Doug Kwan  <dougkwan@google.com>
5859
5860         * arm.cc (map, utility): Include headers.
5861         (Target_arm::apply_cortex_a8_workaround): New method.
5862         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5863         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5864         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5865         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5866         the --[no-]fix-cortex-a8 command line options.
5867         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5868         (Target_arm::relocate_stub): Use addend in instruction template.
5869         * options.h (DEFINE_bool): Set the user-set flag.
5870         (General_options): Add --[no-]-fix-cortex options.
5871         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5872         : Update fast look-up map after conversion.
5873
5874 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5875
5876         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5877         in the first pass of do_layout.
5878
5879 2010-01-13  Doug Kwan  <dougkwan@google.com>
5880
5881         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5882         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5883         apparent compiler problem of not folding static constant integral
5884         data members of elfcpp::Elf_sizes<32>.
5885
5886 2010-01-13  Doug Kwan  <dougkwan@google.com>
5887
5888         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5889         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5890         Arm_relobj::scan_section_for_cortex_a8_erratum,
5891         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5892         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5893         sections to scan for relocation stubs into a new method
5894         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5895         relocation and Cortex-A8 stub scanning.
5896         (Target_arm::do_relax): Force stubs to be after stubbed sections
5897         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5898         the beginning of a new relaxation pass.  Update a comment.
5899         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5900
5901 2010-01-12  Ian Lance Taylor  <iant@google.com>
5902
5903         * target-reloc.h (visibility_error): New inline function.
5904         (relocate_section): Call visibility_error.
5905         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5906         (MOSTLYCLEANFILES): Likewise.
5907         (protected_4_pic.o, protected_3.err): New targets.
5908         * testsuite/protected_4.cc: New file.
5909
5910 2010-01-12  Doug Kwan  <dougkwan@google.com>
5911
5912         * arm.cc (Cortex_a8_reloc): New class.
5913         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5914         and cortex_a8_relocs_info_.
5915         (Target_arm::fix_cortex_a8): New method definition.
5916         (Target_arm::Cortex_a8_relocs_info): New type.
5917         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5918         New data member declarations.
5919         (Target_arm::scan_reloc_for_stub): Record information about
5920         relocations for THUMB branches that might be exempted from the
5921         Cortex-A8 workaround.
5922         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5923         at the beginning of a relaxation pass.
5924
5925 2010-01-12  Doug Kwan  <dougkwan@google.com>
5926
5927         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5928         (Arm_relobj::Mapping_symbol_position,
5929          Arm_reloj::Mapping_symbol_position_less,
5930          Arm_relobj::Mapping_symbols_info): New types.
5931         (Target_arm::is_mapping_symbol_name): New method definition.
5932         (Arm_relobj::do_count_local_symbols): Save information about mapping
5933         symbols.
5934
5935 2010-01-11  Doug Kwan  <dougkwan@google.com>
5936
5937         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5938         Arm_relocate_functions::thumb32_branch_upper,
5939         Arm_relocate_functions::thumb32_branch_lower,
5940         Arm_relocate_functions::thumb32_cond_branch_offset,
5941         Arm_relocate_functions::thumb32_cond_branch_upper,
5942         Arm_relocate_functions::thumb32_cond_branch_lower,
5943         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5944         branch offset encoding.
5945         (Arm_relocate_functions::thumb_branch_common): Use new branch
5946         offset encoding methods to avoid code duplication.
5947         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5948         (Stub_addend_reader::operator()): Use new branch encoding method
5949         to avoid code duplication.
5950
5951 2010-01-11  Doug Kwan  <dougkwan@google.com>
5952
5953         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5954         (Target_arm::do_finalize_sections): Define special EXIDX section
5955         symbols only if referenced.
5956         * gc.h (Garbage_collection::add_reference): New method.
5957         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5958         code duplication.
5959
5960 2010-01-11  Ian Lance Taylor  <iant@google.com>
5961
5962         * script.cc (Version_script_info::build_expression_list_lookup):
5963         Change complaing about duplicate wildcard match from error to
5964         warning.
5965
5966         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5967         of 2009-12-30.
5968         (Version_script_info::Version_script_info): Initialize globs_,
5969         default_version_, default_is_global_, and exact_.  Don't
5970         initialize globals_ or locals_.
5971         (Version_script_info::build_lookup_tables): Build local symbols
5972         first.
5973         (Version_script_info::unquote): New function.
5974         (Version_script_info::add_exact_match): New function.
5975         (Version_script_info::build_expression_list_lookup): Remove lookup
5976         parameter.  Add is_global parameter.  Change all callers.  Handle
5977         wildcard pattern specially.  Unquote pattern.  Call
5978         add_exact_match.
5979         (Version_script_info::get_name_to_match): New function.
5980         (Version_script_info::get_symbol_version): New function.
5981         (Version_script_info::get_symbol_version_helper): Remove.
5982         (Version_script_info::check_unmatched_names): Call unquote.
5983         * script.h (class Version_script_info): Change get_symbol_version
5984         to be non-inline and add is_global parameter; change all callers.
5985         Rewrite symbol_is_local.  Update declarations.  Define struct
5986         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5987         Remove globals_ and locals_ members.  Add exact_, globs_,
5988         default_version_, is_global_.
5989         (Version_script_info::Glob): Remove pattern, add expression and
5990         is_global.  Update constructor.  Change all callers.
5991         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5992         default version.
5993         (Versions::symbol_section_contents): If a symbol is undefined, or
5994         defined in a dynamic object, set the version index to
5995         VER_NDX_LOCAL.
5996         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5997         symbol_is_local.
5998         (Symbol_table::add_from_pluginobj): Likewise.
5999         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6000
6001 2010-01-11  Doug Kwan  <dougkwan@google.com>
6002
6003         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6004         (incremental_dump_LDADD): Add linking option for libintl.
6005         * Makefile.in: Regenerate.
6006
6007 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6008
6009         PR gold/11144
6010         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6011         instead of -Ds.
6012         * testsuite/Makefile.in: Regenerated.
6013
6014 2010-01-10  Doug Kwan  <dougkwan@google.com>
6015
6016         * options.h (DEFINE_var): Use parentheses around argument varname__
6017         in macro body to avoid any unintended subsequent substitutions.
6018
6019 2010-01-10  Ian Lance Taylor  <iant@google.com>
6020
6021         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6022         candidates before doing symbol resolution.
6023
6024         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6025         ODR candidates if only one is weak.
6026
6027 2010-01-08  Ian Lance Taylor  <iant@google.com>
6028
6029         * script.cc (Version_script_info::build_expression_list_lookup):
6030         Don't warn about ambiguous version, just record the ambiguity.
6031         (Version_script_info::get_symbol_version_helper): Give error if
6032         version is ambiguous.
6033
6034 2010-01-08  Doug Kwan  <dougkwan@google.com>
6035
6036         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6037           prev_data_size_ and prev_addralign_.  Remove initializer for
6038           deleted data member has_been_changed_.
6039           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6040           to determine if the table is empty.
6041           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6042           Remove.
6043           (Stub_table::add_reloc_stub): Define method in class definition
6044           instead of just declaring it there.
6045           (Stub_table::add_cortex_a8_stub): New method definition.
6046           (Stub_table::update_data_size_and_addralign): Ditto.
6047           (Stub_table::finalize_stubs): Ditto.
6048           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6049           (Stub_table::do_addralign_): Return address alignment in the
6050           (Stub_table::do_reset_address_and_file_offset): Define method in
6051           class definition instead of declaring it there.  Set current data
6052           size to be the data size of the previous pass.
6053           (Stub_table::set_final_data_size): Use current data size as the
6054           final data size.
6055           (Stub_table::relocate_stub): Change parameter type of stub from
6056           Reloc_stub pointer to Stub pointer.
6057           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6058           (Stub_table::Cortex_a8_stub_list): New typedef.
6059           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6060            Stub_table::prev_addralign_): New data member.
6061           (Arm_relobj::Arm_relobj): Initialize data member
6062           section_has_cortex_a8_workaround_.
6063           (Arm_relobj::section_has_cortex_a8_workaround,
6064            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6065            definitions.
6066           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6067           declarations.
6068           (Target_arm::relocate_stub): Change parameter type of stub from
6069           Reloc_stub pointer to Stub pointer.
6070           (Insn_template::size, Insn_template::alignment): Handle
6071           THUMB16_SPECIAL_TYPE.
6072           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6073            Stub_table::update_data_size_and_addralign,
6074            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6075           definitions.
6076           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6077           (Stub_table::do_write): Ditto.
6078           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6079
6080 2010-01-08  Ian Lance Taylor  <iant@google.com>
6081
6082         PR 11108
6083         * symtab.h (class Symbol): Remove fields is_target_special_ and
6084         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6085         (Symbol::is_defined_in_discarded_section): New function.
6086         (Symbol::set_is_defined_in_discarded_section): New function.
6087         (Symbol::has_plt_offset): Rewrite.
6088         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6089         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6090         Don't initialize is_target_special_ or has_plt_offset_.
6091         Initialize is_defined_in_discarded_section_.
6092         (Symbol_table::add_from_relobj): If appropriate, set
6093         is_defined_in_discarded_section.
6094         * resolve.cc (Symbol::override_base_with_special): Don't test
6095         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6096         * target-reloc.h (relocate_section): Do special handling for
6097         symbols defined in discarded sections for global symbols as well
6098         as local symbols.
6099
6100 2010-01-08  Ian Lance Taylor  <iant@google.com>
6101
6102         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6103         the SHT_SYMTAB case.
6104
6105 2010-01-08  Ian Lance Taylor  <iant@google.com>
6106
6107         * object.cc (Sized_relobj::do_layout): Don't get confused if
6108         layout_eh_frame returns NULL.
6109
6110 2010-01-08  Ian Lance Taylor  <iant@google.com>
6111
6112         PR 11084
6113         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6114         dynamic symbol table, use the normal symbol table.
6115         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6116         symbol table.
6117
6118 2010-01-08  Ian Lance Taylor  <iant@google.com>
6119
6120         PR 11072
6121         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6122         sections.
6123
6124 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6125
6126         * version.cc (print_version): Change to "Copyright 2010".
6127
6128 2010-01-08  Ian Lance Taylor  <iant@google.com>
6129
6130         PR 10287
6131         PR 11063
6132         * i386.cc (class Target_i386): Change return type of plt_section
6133         to be non-const.
6134         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6135         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6136         tls_desc_rel_ field.
6137         (Output_data_plt_i386::rel_tls_desc): New function.
6138         (Target_i386::rel_tls_desc_section): New function.
6139         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6140         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6141         R_386_TLS_DESC reloc in rel_tls_desc_section.
6142         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6143         Define struct Tlsdesc_info.
6144         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6145         (Target_x86_64::do_reloc_symbol_index): New function.
6146         (Target_x86_64::add_tlsdesc_info): New function.
6147         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6148         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6149         tlsdesc_rel_ field.
6150         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6151         all callers.
6152         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6153         (Target_x86_64::rela_tlsdesc_section): New function.
6154         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6155         handling.
6156         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6157         (Target_x86_64::do_reloc_addend): New function.
6158         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6159         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6160         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6161         (Output_reloc::type): New function.
6162         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6163         (Output_reloc::is_target_specific): New function.
6164         (Output_reloc::target_arg): New function.
6165         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6166         absolute relocs and target specific relocs.
6167         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6168         add_target_specific.
6169         (class Output_data_reloc) [SHT_RELA]: Likewise.
6170         * output.cc (Output_reloc::Output_reloc): Add four new versions
6171         for absolute relocs and target specific relocs.
6172         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6173         (Output_reloc::get_symbol_index): Likewise.
6174         (Output_reloc::local_section_offset): Check that local_sym_index_
6175         is not TARGET_CODE or 0.
6176         (Output_reloc::symbol_value): Likewise.
6177         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6178         reloc.
6179         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6180         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6181         functions.
6182         * layout.cc (add_target_dynamic_tags): Use output section for
6183         DT_PLTRELSZ and DT_JMPREL.
6184
6185 2010-01-07  Ian Lance Taylor  <iant@google.com>
6186
6187         PR 11061
6188         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6189         function.
6190         (class Output_data_reloc_generic): Define.
6191         (class Output_data_reloc_base): Change base class to
6192         Output_data_reloc_generic.  Change add() method to call
6193         bump_relative_reloc_count for a relative reloc.  Remove
6194         sort_relocs_ field.
6195         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6196         to sort_relocs().
6197         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6198         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6199         appropriate.
6200         * layout.h (class Layout): Update declaration.
6201
6202 2010-01-07  Ian Lance Taylor  <iant@google.com>
6203
6204         * output.h (class Output_data): Add const version of
6205         output_section and do_output_section.
6206         (class Output_section_data): Add const version of
6207         do_output_section.
6208         (class Output_section): Likewise.
6209         * layout.cc (Layout::add_target_dynamic_tags): New function.
6210         * layout.h (class Layout): Update declarations.
6211         * arm.cc (Target_arm::do_finalize_sections): Use
6212         add_target_dynamic_tags.
6213         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6214         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6215         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6216         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6217
6218 2010-01-07  Ian Lance Taylor  <iant@google.com>
6219
6220         PR 11042
6221         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6222         object as needed.
6223
6224 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6225             Ian Lance Taylor  <iant@google.com>
6226
6227         PR 11019
6228         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6229         Xindex::read_symtab_xindex.
6230
6231 2010-01-07  Doug Kwan  <dougkwan@google.com>
6232
6233         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6234         (Insn_template::thumb16_bcond_insn): New method declaration.
6235         (Insn_template): Fix spelling.
6236         (Stub::thumb16_special): New method declaration.
6237         (Stub::do_write): Define virtual method which was previously pure
6238         virtual.
6239         (Stub::do_thumb16_special): New method declaration.
6240         (Stub::do_fixed_endian_write): New template member.
6241         (Reloc_stub::do_write): Remove.
6242         (Reloc_stub::do_fixed_endian_write): Remove.
6243         (Cortex_a8_stub): New class definition.
6244         (Stub_factory::make_cortex_a8_stub): New method definition.
6245         (Stub_factory::Stub_factory): Add missing static storage class
6246         qualifier for elf32_arm_stub_a8_veneer_blx.
6247
6248 2010-01-07  Ian Lance Taylor  <iant@google.com>
6249
6250         PR 10980
6251         * options.h (class General_options): Add --warn-unresolved-symbols
6252         and --error-unresolved-symbols.
6253         * errors.cc (Errors::undefined_symbol): Implement
6254         --warn-unresolved-symbols.
6255
6256         * options.h (class General_options): Add -z text and -z textoff.
6257         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6258
6259 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6260
6261         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6262         (Garbage_collection::cident_sections): New function.
6263         (Garbage_collection::add_cident_section): New function.
6264         (Garbage_collection::cident_sections_): New member.
6265         (gc_process_relocs): Add references to sections whose names are C
6266         identifiers.
6267         * gold.h (cident_section_start_prefix): New constant.
6268         (cident_section_stop_prefix): New constant.
6269         (is_cident): New function.
6270         * layout.cc (Layout::define_section_symbols): Replace string constants
6271         with the newly defined constants.
6272         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6273         C identifiers.
6274         * testsuite/Makefile.am: Add gc_orphan_section_test.
6275         * testsuite/Makefile.in: Regenerate.
6276         * testsuite/gc_orphan_section_test.cc: New file.
6277         * testsuite/gc_orphan_section_test.sh: New file.
6278
6279 2010-01-06  Ian Lance Taylor  <iant@google.com>
6280
6281         PR 10980
6282         * options.h (class General_options): Add --warn-shared-textrel.
6283         * layout.cc (Layout::finish_dynamic_section): Implement
6284         --warn-shared-textrel.
6285
6286         PR 10980
6287         * options.h (class General_options): Add --warn-multiple-gp.
6288
6289 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6290
6291         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6292         $(THREADSLIB) and $(LIBDL).
6293         * Makefile.in: Rebuild.
6294
6295 2010-01-06  Ian Lance Taylor  <iant@google.com>
6296
6297         PR 10980
6298         * options.cc (General_options::parse_section_start): New function.
6299         (General_options::section_start): New function.
6300         (General_options::General_options): Initialize all members.
6301         * options.h: Include <map>
6302         (class General_options): Add --section-start.  Add section_starts_
6303         member.
6304         * layout.cc (Layout::attach_allocated_section_to_segment): If
6305         --section-start was used, set the address of the segment.  Remove
6306         local sort_sections.
6307         (Layout::relaxation_loop_body): If the address of the load segment
6308         has been set by --section-start, don't use it.
6309         * output.h (Output_segment::update_flags_for_output_section): New
6310         function.
6311         * output.cc (Output_segment::add_output_section): Call
6312         update_flags_for_output_section.
6313
6314 2010-01-05  Ian Lance Taylor  <iant@google.com>
6315
6316         PR 10980
6317         * options.h (class General_options): Add --undefined-version.
6318         * script.cc (struct Version_expression): Add was_matched_by_symbol
6319         field.
6320         (Version_script_info::matched_symbol): New function.
6321         (Version_script_info::get_symbol_version_helper): Call
6322         matched_symbol.
6323         (Version_script_info::check_unmatched_names): New function.
6324         * script.h (class Version_script_info): Update declarations.
6325         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6326
6327         * options.h (class General_options): Use DEFINE_bool_alias for
6328         allow_multiple_definition.
6329         * resolve.cc (Symbol_table::should_override): Don't test
6330         allow_multiple_definition.
6331
6332         PR 10980
6333         * options.h (class General_options): Add --cref.
6334         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6335         until after printing cref table.
6336         * cref.cc: Include "symtab.h".
6337         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6338         (Cref_table_compare::operator()): New function.
6339         (Cref_inputs::gather_cref): New function.
6340         (filecol): New static const.
6341         (Cref_inputs::print_cref): New function.
6342         (Cref::print_cref): New function.
6343         * cref.h: Include <cstdio>.
6344         (class Cref): Update declarations.
6345         * mapfile.h (Mapfile::file): New function.
6346         * object.h (class Object): Define Symbols.  Declare virtual
6347         do_get_global_symbols.
6348         (Object::get_global_symbols): New function.
6349         * object.cc (Input_objects::add_object): Pass object to cref_ if
6350         --cref.
6351         (Input_objects::archive_start): Likewise.
6352         (Input_objects::archive_stop): Likewise.
6353         (Input_objects::print_cref): New function.
6354         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6355         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6356         --cref.
6357         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6358         function.
6359         * plugin.h (class Sized_pluginobj): Update declarations.
6360
6361 2010-01-05  Ian Lance Taylor  <iant@google.com>
6362
6363         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6364         to is_default_version.  Rename insdef to insdefault.
6365         (Symbol_table::add_from_relobj): Rename def to is_default_version
6366         and local to is_forced_local.
6367         (Symbol_table::add_from_pluginobj): Likewise.
6368         (Symbol_table::add_from_dynobj): Likewise.
6369         (Symbol_table::define_special_symbol): Rename insdef to
6370         insdefault.
6371
6372 2010-01-04  Ian Lance Taylor  <iant@google.com>
6373
6374         PR 10980
6375         * options.h (class General_options): Add
6376         --allow-multiple-definition and -z muldefs.
6377         * resolve.cc (Symbol_table::should_override): Don't warn about a
6378         multiple symbol definition if --allow-multiple-definition or -z
6379         muldefs.
6380
6381         PR 10980
6382         * options.h (class General_options): Add --add-needed and
6383         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6384         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6385         error if --copy-dt-needed-entries aka --add-needed is used and
6386         would cause a change in behaviour.
6387
6388         PR 10980
6389         * options.h (class General_options): Add -G as a short version of
6390         --shared.  Add no-op options -assert, -g, and -i.
6391
6392 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6393
6394         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6395         check for .text or .gnu.linkonce.t sections.
6396         * icf.cc (Icf::find_identical_sections): Ditto.
6397         Change the detection for mangled function name within the section
6398         name.
6399         * icf.h (is_section_foldable_candidate): New function.
6400
6401 2009-12-30  Ian Lance Taylor  <iant@google.com>
6402
6403         PR 10980
6404         * options.h (class General_options): Permit two dashes with
6405         --retain-symbols-file.
6406
6407 2009-12-30  Ian Lance Taylor  <iant@google.com>
6408
6409         PR 10979
6410         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6411         don't put the file header and segment headers in the text
6412         segment.
6413
6414         PR 10979
6415         * common.cc (Sort_commons::operator()): Stabilize sort when both
6416         entries are NULL.
6417         (Symbol_table::do_allocate_commons_list): When allocating common
6418         symbols, skip a symbol which is no longer common.
6419         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6420         an object before checking its type.
6421         * testsuite/common_test_2.c: New file.
6422         * testsuite/common_test_3.c: New file.
6423         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6424         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6425         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6426         (common_test_2_pic.o, common_test_2.so): New targets.
6427         (common_test_3_pic.o, common_test_3.so): New targets.
6428         * testsuite/Makefile.in: Rebuild.
6429
6430         PR 10979
6431         * script.cc (read_input_script): If we see a new SECTIONS clause,
6432         and we have added an input section, give an error.
6433         * layout.h (class Layout): Add have_added_input_section function.
6434         Add have_added_input_section_ field.
6435         * layout.cc (Layout::Layout): Initialize
6436         have_added_input_section_.
6437         (Layout::layout): Set have_added_input_section_.
6438         (Layout::layout_eh_frame): Likewise.
6439
6440 2009-12-30  Ian Lance Taylor  <iant@google.com>
6441
6442         PR 10931
6443         * options.h (class General_options): Add --sort-common option.
6444         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6445         * common.cc (Sort_common): Add sort_order parameter to
6446         constructor.  Add sort_order_ field.
6447         (Sort_commons::operator): Check sort_order_.
6448         (Symbol_table::allocate_commons): Determine the sort order.
6449         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6450         Change all callers.
6451         (Symbol_table::do_allocate_commons_list): Likewise.
6452
6453 2009-12-30  Ian Lance Taylor  <iant@google.com>
6454
6455         PR 10916
6456         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6457         symbols from this object, don't change the visibility of an
6458         undefined symbol.
6459         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6460
6461 2009-12-30  Ian Lance Taylor  <iant@google.com>
6462
6463         PR 10861
6464         * script.h (class Version_script_info): Define Language enum.
6465         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6466         new fields globals_, locals_, and is_finalized_.
6467         * script.cc: Various formatting fixes.
6468         (class Parser_closure): Change language_stack_ from a vector of
6469         std::string to one of Version_script_info::Language.  Adjust all
6470         uses accordingly.
6471         (class Lazy_demangler): Remove.
6472         (struct Version_expression): Change language from std::string to
6473         Version_script_info::Language.
6474         (Version_script_info::Version_script_info): New function.
6475         (Version_script_info::~Version_script_info): Don't call clear.
6476         (Version_script_info::finalize): New function.
6477         (Version_script_info::build_lookup_tables): New function.
6478         (Version_script_info::build_expression_list_lookup): New
6479         function.
6480         (Version_script_info::get_symbol_version_helper): Rewrite to use
6481         lookup tables.
6482         (Version_script_info::print_expression_list): Adjust to use
6483         Version_script_info::Language.
6484         (script_push_lex_into_version_mode): Check that the version script
6485         has not been finalized.
6486         (version_script_push_lang): Change language string to
6487         Version_script_info::Language.
6488         * options.cc (Command_line::version_script): New function.
6489         * options.h (class General_options): Add finalize_dynamic_list
6490         function.  Change version_script from declaration to definition.
6491         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6492         * testsuite/version_script.map: Remove duplicate def of foo.
6493         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6494         version_script.map.
6495         * testsuite/Makefile.in: Rebuild.
6496
6497 2009-12-30  Ian Lance Taylor  <iant@google.com>
6498
6499         PR 10843
6500         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6501         if the input symbol index is 0, make the output symbol index 0.
6502
6503 2009-12-30  Ian Lance Taylor  <iant@google.com>
6504
6505         PR 10670
6506         * options.h (class General_options): Add -x/--discard-all.
6507         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6508         --discard-all.  If the local symbol needs a dynamic entry, check
6509         that before handling --discard-locals.
6510
6511 2009-12-30  Ian Lance Taylor  <iant@google.com>
6512
6513         PR 10450
6514         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6515         flags to PF_R.
6516         (Output_segment::add_output_section): Don't change the flags if
6517         the type is PT_TLS.
6518
6519         PR 10450
6520         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6521         GNU hash table if they need a dynamic value.  Otherwise, don't add
6522         them if they are defined in a dynamic object or are forced local.
6523
6524 2009-12-29  Ian Lance Taylor  <iant@google.com>
6525
6526         PR 10450
6527         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6528         .gnu.hash table for a 32-bit target.
6529
6530         PR 10450
6531         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6532         regular and a dynamic object only needs a dynamic symbol table
6533         entry if it is externally visible.
6534
6535         PR 10450
6536         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6537         constructor.  Add global_offset_table_ field.
6538         (Target_i386::got_section): Set global_offset_table_.
6539         (Target_i386::do_finalize_sections): Set global_offset_table_
6540         size.
6541         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6542         in constructor.  Add global_offset_table_ field.
6543         (Target_x86_64::got_section): Set global_offset_table_.
6544         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6545         size.
6546
6547         * layout.cc (Layout::Layout): Initialize increase_relro_.
6548         (Layout::get_output_section): Add is_relro, is_last_relro, and
6549         is_first_non_relro parameters.  Change all callers.
6550         (Layout::choose_output_section): Likewise.
6551         (Layout::add_output_section_data): Likewise.
6552         (Layout::make_output_section): Likewise.
6553         (Layout::set_segment_offsets): Clear increase_relro when using a
6554         linker script.
6555         * layout.h (class Layout): Add increase_relro method.  Add
6556         increase_relro_ field.  Update declarations.
6557         * output.cc (Output_section::Output_section): Initialize
6558         is_last_relro_ and is_first_non_relro_.
6559         (Output_segment::add_output_section): Group relro sections is
6560         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6561         (Output_segment::maximum_alignment): Remove relro handling.
6562         (Output_segment::set_section_addresses): Add increase_relro
6563         parameter.  Change all callers.  Add initial alignment to align
6564         relro sections on separate page.  Remove old relro handling.
6565         (Output_segment::set_section_list_addresses): Remove in_relro
6566         parameter.  Change all callers.
6567         (Output_segment::set_offset): Add increase parameter.  Change all
6568         callers.  Remove old relro handling.
6569         * output.h (class Output_section): Add new methods: is_last_relro,
6570         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6571         Add is_last_relro_ and is_first_non_relro_ fields.
6572         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6573         Create separate .got.plt section.  Call increase_relro.
6574         * x86_64.cc (Target_x86_64::got_section): Likewise.
6575         * testsuite/relro_script_test.t: Add .got.plt.
6576
6577         PR 10450
6578         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6579         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6580         (Layout::finalize): Call set_dynamic_symbol_size.
6581         (Layout::set_dynamic_symbol_size): New function.
6582         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6583         set_dynamic_symbol_size.
6584
6585         PR 10450
6586         * output.h (class Output_section): Add is_entsize_zero_ field.
6587         * output.cc (Output_section::Output_section): Initialize
6588         is_entsize_zero_.
6589         (Output_section::set_entsize): If two different entsizes are
6590         requested, force it to zero.
6591         (Output_section::add_input_section): Set flags for .debug_str
6592         before updating section flags.  Set entsize.
6593         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6594         and SHF_STRING if all input sections have those flags.
6595
6596 2009-12-29   Rafael Espindola  <espindola@google.com>
6597
6598         * main.cc (main): Fix the sys time reporting.
6599         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6600         reporting.
6601
6602 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6603
6604         * options.cc (General_options::parse_version): Allow -v to exit
6605         without an error if there is nothing to link.
6606
6607 2009-12-29  Ian Lance Taylor  <iant@google.com>
6608
6609         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6610         using a version of gcc before 4.1.
6611         * configure: Rebuild.
6612
6613 2009-12-28  Chris Demetriou  <cgd@google.com>
6614
6615         * attributes.cc (Output_attributes_section_data::do_write): Use
6616         std::vector::front rather than std::vector::data.
6617
6618 2009-12-28  Ian Lance Taylor  <iant@google.com>
6619
6620         * symtab.h (class Symbol_table): Add enum Defined.
6621         * resolve.cc (Symbol_table::should_override): Add defined
6622         parameter.  Change all callers.  Test whether object is NULL
6623         before calling a method on it.
6624         (Symbol_table::report_resolve_problem): Add defined parameter.
6625         Change all callers.
6626         (Symbol_table::should_override_with_special): Likewise.
6627         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6628         parameter.  Change all callers.
6629         (Symbol_table::do_define_in_output_data): Likewise.
6630         (Symbol_table::define_in_output_segment): Likewise.
6631         (Symbol_table::do_define_in_output_segment): Likewise.
6632         (Symbol_table::define_as_constant): Likewise.
6633         (Symbol_table::do_define_as_constant): Likewise.
6634         * script.h (class Symbol_assignment): Add is_defsym parameter to
6635         constructor; change all callers.
6636         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6637         parameter.  Change all callers.  Add is_defsym_ field.
6638         (class Parser_closure): Add parsing_defsym parameter to
6639         constructor; change all callers.  Add parsing_defsym accessor
6640         function.  Add parsing_defsym_ field.
6641
6642 2009-12-28  Ian Lance Taylor  <iant@google.com>
6643
6644         * gold.cc (queue_middle_tasks): Fix formatting.
6645         * object.cc (Relobj::is_section_name_included): Likewise.
6646
6647 2009-12-23  Ian Lance Taylor  <iant@google.com>
6648
6649         * i386.cc (Target_i386::do_calls_non_split): Recognize
6650         -fsplit-stack prologue for a function with a static chain.
6651         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6652         -fsplit-stack prologue when using %r11.
6653
6654 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6655
6656         * options.cc (General_options::parse_version): Make -v continue and do
6657         the link like GNU ld does.
6658
6659 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6660
6661         * Makefile.am (CCFILES): Add timer.cc.
6662         (HFILES): Add timer.h.
6663         * configure.ac: Check for sysconf and times.
6664         * main.cc: include timer.h.
6665         (main): Use Timer instead of get_run_time.
6666         * timer.cc: New.
6667         * timer.h: New.
6668         * workqueue.cc: include timer.h.
6669         (Workqueue::find_and_run_task):
6670         Report user, sys and wall time.
6671         * Makefile.in: Regenerate.
6672         * config.in: Regenerate.
6673         * configure: Regenerate.
6674
6675 2009-12-16  Doug Kwan  <dougkwan@google.com>
6676
6677         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6678         sections.
6679         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6680         relaxed input sections.
6681         * output.cc (Output_section::find_relaxed_input_section): Change
6682         return type to Output_relaxed_input_section pointer.  Adjust code
6683         for new type of relaxed_input_section_map_.
6684         * output.h (Output_section::find_relaxed_input_section): Change
6685         return type to Output_relaxed_input_section pointer.
6686         (Output_section::Output_relaxed_input_section_by_input_section_map):
6687         New type.
6688         (Output_section::relaxed_input_section_map_): Change type to
6689         Output_section::Output_relaxed_input_section_by_input_section_map.
6690         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6691         input section.
6692
6693 2009-12-15  Ian Lance Taylor  <iant@google.com>
6694
6695         * layout.cc (Layout::create_shstrtab): Only write out after input
6696         sections if we are compressing debug sections.
6697
6698 2009-12-15  Ian Lance Taylor  <iant@google.com>
6699
6700         * archive.cc (Archive::add_symbols): Only look up a symbol without
6701         a version if there is, in fact, a version.
6702
6703 2009-12-14  Ian Lance Taylor  <iant@google.com>
6704
6705         Revert -Wshadow changes, all changes from:
6706         2009-12-11  Doug Kwan  <dougkwan@google.com>
6707         2009-12-11  Nick Clifton  <nickc@redhat.com>
6708         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6709
6710 2009-12-11  Doug Kwan  <dougkwan@google.com>
6711
6712         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6713         due to -Wshadow.
6714         * attributes.cc (Object_attribute::size): Ditto.
6715         (Attributes_section_data::size): Ditto.
6716         (Attributes_section_data::Attributes_section_data): Ditto.
6717         (Output_attributes_section_data::do_write): Ditto.
6718         * attributes.h (Object_attribute::set_type): Ditto.
6719         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6720
6721 2009-12-11  Nick Clifton  <nickc@redhat.com>
6722
6723         * archive.cc: Fix shadowed variable warnings.
6724         * arm.cc: Likewise.
6725         * compressed_output.cc: Likewise.
6726         * compressed_output.h: Likewise.
6727         * configure: Likewise.
6728         * dwarf_reader.cc: Likewise.
6729         * dynobj.cc: Likewise.
6730         * dynobj.h: Likewise.
6731         * ehframe.cc: Likewise.
6732         * ehframe.h: Likewise.
6733         * errors.cc: Likewise.
6734         * expression.cc: Likewise.
6735         * fileread.cc: Likewise.
6736         * fileread.h: Likewise.
6737         * freebsd.h: Likewise.
6738         * i386.cc: Likewise.
6739         * icf.cc: Likewise.
6740         * incremental.h: Likewise.
6741         * layout.cc: Likewise.
6742         * layout.h: Likewise.
6743         * mapfile.cc: Likewise.
6744         * merge.cc: Likewise.
6745         * merge.h: Likewise.
6746         * object.cc: Likewise.
6747         * object.h: Likewise.
6748         * options.h: Likewise.
6749         * output.cc: Likewise.
6750         * output.h: Likewise.
6751         * parameters.cc: Likewise.
6752         * plugin.cc: Likewise.
6753         * powerpc.cc: Likewise.
6754         * reduced_debug_output.cc: Likewise.
6755         * reduced_debug_output.h: Likewise.
6756         * reloc.cc: Likewise.
6757         * reloc.h: Likewise.
6758         * resolve.cc: Likewise.
6759         * script-sections.cc: Likewise.
6760         * script.cc: Likewise.
6761         * script.h: Likewise.
6762         * sparc.cc: Likewise.
6763         * symtab.cc: Likewise.
6764         * symtab.h: Likewise.
6765         * target-select.cc: Likewise.
6766         * target-select.h: Likewise.
6767         * token.h: Likewise.
6768         * workqueue.cc: Likewise.
6769         * workqueue.h: Likewise.
6770         * x86_64.cc: Likewise.
6771
6772 2009-12-10  Doug Kwan  <dougkwan@google.com>
6773
6774         * arm.cc (attributes.h): New include.
6775         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6776         (Arm_relobj::~Arm_relobj): Delete object pointed by
6777         attributes_section_data_.
6778         (Arm_relobj::attributes_section_data): New method definition.
6779         (Arm_relobj::attributes_section_data_): New data member declaration.
6780         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6781         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6782         attributes_section_data_.
6783         (Arm_dynobj::attributes_section_data): New method definition.
6784         (Arm_dynobj::attributes_section_data_): New data member declaration.
6785         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6786         initialization value of may_use_blx_ to false.
6787         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6788         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6789         object attributes to compute results instead of hard-coding.
6790         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6791         Target_arm::get_secondary_compatible_arch,
6792         Target_arm::set_secondary_compatible_arch
6793         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6794         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6795         New method declarations.
6796         (Target_arm::get_aeabi_object_attribute): New method definition.
6797         (Target_arm::attributes_section_data_): New data member declaration.
6798         (read_arm_attributes_section): New template definition.
6799         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6800         (Arm_dynobj::do_read_symbols): Ditto.
6801         (Target_arm::do_finalize_sections): Merge attributes sections from
6802         input.  Check for BLX use after attributes section merging.
6803         Fix __exidx_start and __exidx_end visibility.  Create an
6804         .ARM.attributes section if necessary.
6805         (Target_arm::get_secondary_compatible_arch,
6806         Target_arm::set_secondary_compatible_arch,
6807         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6808         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6809         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6810         New method definitions.
6811
6812 2009-12-09  Ian Lance Taylor  <iant@google.com>
6813
6814         * plugin.cc (Plugin::load): Don't cast from void* to a function
6815         pointer.
6816
6817 2009-12-09  Ian Lance Taylor  <iant@google.com>
6818
6819         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6820         information fields.
6821
6822 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6823
6824         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6825         Replace two_file_shared_1.so with two_file_shared_2.so.
6826         * testsuite/Makefile.in: Regenerated.
6827
6828 2009-12-08  Doug Kwan  <dougkwan@google.com>
6829
6830         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6831         (HFILES): Add attributes.h and int_encoding.h.
6832         * Makefile.in: Regenerate.
6833         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6834         function definitions to int_encoding.cc
6835         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6836         prototypes to int_encoding.h
6837         * reduced_debug_output.cc (int_encoding.h): New include.
6838         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6839         function definitions to int_encoding.cc
6840         (insert_into_vector, read_from_pointer): Move template definitions to
6841         int_encoding.h
6842         * attributes.cc: New file.
6843         * attributes.h: New file.
6844         * int_encoding.cc: New file.
6845         * int_encoding.h: New file.
6846
6847 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6848
6849         PR gold/11055
6850         * incremental-dump.cc (dump_incremental_inputs): New.
6851         (main): Use dump_incremental_inputs.
6852
6853 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6854
6855         PR gold/10893
6856         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6857         checking elfcpp::STT_FUNC.
6858         (Target_i386::Relocate::relocate): Likewise.
6859         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6860
6861         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6862         symbols from shared libraries into normal FUNC symbols.
6863
6864         * symtab.h (Symbol): Add is_func and use it.
6865
6866 2009-12-05  Doug Kwan  <dougkwan@google.com>
6867
6868         * arm.cc (Target_arm::arm_info): Initialize new fields
6869         attributes_section and attributes_vendor.
6870         * i386.cc (Target_i386::i386_info): Same.
6871         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6872         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6873         fields attributes_section and attributes_vendor.
6874         * sparc.cc (Target_sparc::sparc_info): Same.
6875         * target.h (Target::attributes_section, Target::attributes_vendor,
6876         Target::is_attributes_section, Target::attribute_arg_type,
6877         Target::attributes_order): New method definitions.
6878         (Target::Target_info::attributes_section,
6879         Target::Target_info::attributes_vendor): New fields.
6880         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6881         virtual method definitions.
6882         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6883         attributes_section and attributes_vendor.
6884         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6885
6886 2009-12-05  Doug Kwan  <dougkwan@google.com>
6887
6888         * arm.cc: Update comments about interworking and stub generation.
6889         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6890         considered as non-PIC.
6891         (Arm_relocate_functions::base_abs): Fix formatting.
6892         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6893         of function to use GOT entry address instead of offset.
6894         (Target_arm::Scan::global): Issue an error if a symbol would need a
6895         PLT does not get one because it is untyped.  Remove code to create
6896         dynamic symbols for relative branches.
6897         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6898         takes unsigned integer instead of boolean.
6899
6900 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6901
6902         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6903         (two_file_test_LDADD): Likewise.
6904         (common_test_1_LDADD): Likewise.
6905         (exception_test_LDADD) Likewise.
6906         (weak_test_LDADD): Likewise.
6907         (many_sections_test_LDADD): Likewise.
6908         (initpri1_LDADD): Likewise.
6909         (script_test_1_LDADD): Likewise.
6910         (script_test_2_LDADD): Likewise.
6911         (justsyms_LDADD): Likewise.
6912         (binary_test_LDADD): Likewise.
6913         (large_LDADD): Likewise.
6914         * testsuite/Makefile.in: Regenerated.
6915
6916 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6917
6918         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6919         (Symbol_table::override_with_special): Likewise.
6920         (Symbol_table::add_from_object): Likewise.
6921
6922 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6923
6924         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6925         Don't set the data_offset twice.
6926
6927 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6928
6929         * testsuite/Makefile.in: Regenerate.
6930
6931 2009-12-03  Doug Kwan  <dougkwan@google.com>
6932
6933         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6934         (Target_arm::do_finalize_sections): Add parameter for symbol table
6935         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6936         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6937         parameter for symbol table pointer.
6938         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6939         an additional parameter for a pointer to symbol table.
6940         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6941         parameter for a symbol table pointer.
6942         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6943         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6944         Ditto.
6945         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6946         parameter for a symbol table pointer.
6947
6948 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6949
6950         * incremental.cc (Incremental_inputs_header)
6951         (Incremental_inputs_header_write, Incremental_inputs_entry)
6952         (Incremental_inputs_entry_write): Move ...
6953         * incremental.h (Incremental_inputs_header)
6954         (Incremental_inputs_header_write, Incremental_inputs_entry)
6955         (Incremental_inputs_entry_write): here.
6956
6957 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6958
6959         * incremental.cc (make_sized_incremental_binary): Set the target.
6960         Error if it is incompatible.
6961         * output.h (Output_file): Add filename method.
6962
6963 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6964
6965         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6966         from the get_* methods.
6967
6968 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6969
6970         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6971         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6972         Write 0 for the data_offset of scripts.
6973
6974 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6975
6976         * testsuite/Makefile.am: Add the incremental_test.sh test.
6977         * testsuite/incremental_test.sh: New.
6978         * testsuite/incremental_test_1.c: New.
6979         * testsuite/incremental_test_2.c: New.
6980
6981 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6982
6983        * incremental-dump.cc (main): Fix typos.
6984
6985 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6986
6987         PR gold/11025
6988         * incremental-dump.cc (main): Use llu to print 64 bit values.
6989
6990 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6991             H.J. Lu  <hongjiu.lu@intel.com>
6992
6993         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6994         $(LIBDL).
6995         (incremental_dump_LDADD): Likewise.
6996         * Makefile.in: Regenerated.
6997
6998 2009-11-25  Doug Kwan  <dougkwan@google.com>
6999
7000         Revert:
7001
7002         2009-11-25  Doug Kwan  <dougkwan@google.com>
7003
7004                 * arm.cc (Target_arm::Target_arm): Move method definition
7005                 outside of class definition.  Add code to handle
7006                 --target1-rel, --target1-abs and --target2= options.
7007                 (Target_arm::get_reloc_reloc_type): Change method to be
7008                 non-static and const.
7009                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7010                 New data member declaration.
7011                 (Target_arm::Scan::local, Target_arm::Scan::global,
7012                 Target_arm::Relocate::relocate,
7013                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7014                 Adjust call to Target_arm::get_real_reloc_type.
7015                 (Target_arm::get_real_reloc_type): Use command line options
7016                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7017                 * options.h (--target1-rel, --target1-abs, --target2): New
7018                 ARM-only options.
7019
7020 2009-11-25  Doug Kwan  <dougkwan@google.com>
7021
7022         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7023         class definition.  Add code to handle --target1-rel, --target1-abs
7024         and --target2= options.
7025         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7026         and const.
7027         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7028         member declaration.
7029         (Target_arm::Scan::local, Target_arm::Scan::global,
7030         Target_arm::Relocate::relocate,
7031         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7032         call to Target_arm::get_real_reloc_type.
7033         (Target_arm::get_real_reloc_type): Use command line options to
7034         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7035         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7036         options.
7037
7038 2009-11-25  Doug Kwan  <dougkwan@google.com>
7039
7040         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7041         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7042         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7043         formatting.
7044         (Arm_relocate_functions::thm_call): Replace body with a call to
7045         Arm_relocate_functions::thumb_branch_common.
7046         (Arm_relocate_functions::thm_jump24,
7047         Arm_relocate_functions::thm_xpc22): New method definitions.
7048         (Arm_relocate_functions::thumb_branch_common): New method definition.
7049         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7050         operator.
7051         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7052         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7053
7054 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7055
7056         * Makefile.am: Build incremental-dump
7057         * Makefile.in: Regenerate.
7058         * incremental-dump.cc: New.
7059         * incremental.cc (Incremental_inputs_header_data,
7060         Incremental_inputs_entry_data): Move to incremental.h
7061         * incremental.h: (Incremental_inputs_header_data,
7062         Incremental_inputs_entry_data): Move from incremental.cc
7063
7064 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7065
7066         * incremental.cc (Incremental_inputs_header,
7067         Incremental_inputs_header_write, Incremental_inputs_entry,
7068         Incremental_inputs_entry_write): Add a typedef with the data type.
7069
7070 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7071
7072         * incremental.cc (Incremental_inputs_header,
7073         Incremental_inputs_header_write, Incremental_inputs_entry,
7074         Incremental_inputs_entry_write): Update comment about which
7075         type has the filed descriptions.
7076
7077 2009-11-15  Doug Kwan  <dougkwan@google.com>
7078
7079         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7080         (Arm_relocate_functions::arm_branch_common): Change method defintion
7081         in class definition to a method declaration and update list of formal
7082         parameters.
7083         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7084         Arm_relocation_functions::jump24): Adjust call to
7085         Arm_relocate_functions::arm_branch_common.  Update list of formal
7086         parameters.
7087         (Arm_relocate_functions::xpc25): New method definition.
7088         (Arm_relocate_functions::arm_branch_common): Move method defintion
7089         out from class definition.  Use stubs for mode-switching and extending
7090         branch ranges.
7091         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7092         specially.  Change code to enable use of stubs in ARM branches.
7093
7094 2009-11-10  Doug Kwan  <dougkwan@google.com>
7095
7096         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7097         in method declaration.
7098         (Target_arm::relocate_stub): New method declaration.
7099         (Target_arm::default_target): Change to return a pointer instead of
7100         a const reference.
7101         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7102         Target_arm::default_target.
7103         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7104         method definition.
7105         (Target_arm::relocate_section): Adjust view.
7106         (Target_arm::relocate_stub): New method definition.
7107
7108 2009-11-10  Doug Kwan  <dougkwan@google.com>
7109
7110         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7111         a format warning.
7112         * incremental.cc (open_incremental_binary): Initialized local
7113         variables to avoid warnings.
7114         * object.cc (make_elf_object): Ditto.
7115         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7116         a format warning.
7117
7118 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7119
7120         PR gold/10930
7121         * testsuite/plugin_test.c: Include "config.h".
7122
7123 2009-11-09  Doug Kwan  <dougkwan@google.com>
7124
7125         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7126         (arm_symbol_value): Remove.
7127         (Arm_relocate_functions::arm_branch_common,
7128         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7129         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7130         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7131         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7132         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7133         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7134         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7135         Arm_relocate_functions::thm_mobw_abs_nc,
7136         Arm_relocate_functions::thm_mov_abs,
7137         Arm_relocate_functions::movw_prel_nc,
7138         Arm_relocate_functions::thm_movt_abs,
7139         Arm_relocate_functions::movt_prel,
7140         Arm_relocate_functions::thm_movw_prel_nc,
7141         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7142         (Target_arm::Relocate::relocate): Only decompose address into two
7143         parts if relocation type uses the thumb-bit and pass the actual
7144         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7145         calls to methods in Arm_relocate_functions for this change.
7146
7147 2009-11-08  Ian Lance Taylor  <iant@google.com>
7148
7149         PR 10925
7150         * reloc.cc: Instantiate
7151         Sized_relobj::initialize_input_to_output_maps and
7152         Sized_relobj:free_input_to_output_maps.
7153
7154 2009-11-06  Ian Lance Taylor  <iant@google.com>
7155
7156         PR 10876
7157         * defstd.cc (in_segment): Set only_if_ref true for "end".
7158
7159 2009-11-06  Doug Kwan  <dougkwan@google.com>
7160
7161         * arm.cc (class Reloc_stub): Correct a comment.
7162         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7163         (Target_arm::scan_section_for_stubs): New method declaration.
7164         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7165         Change methods from private to protected.
7166         (Target_arm::do_may_relax): New method definition.
7167         (Target_arm::do_relax, Target_arm::group_sections,
7168         Target_arm::scan_reloc_for_stub,
7169         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7170         (Target_arm::arm_input_section_map_): New data member declaration.
7171         (Target_arm::scan_reloc_for_stub,
7172         Target_arm::scan_reloc_section_for_stubs,
7173         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7174         Target_arm::do_relax): New method definitions.
7175
7176 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7177
7178         * configure.ac: Check for (struct stat)::st_mtim
7179         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7180         * config.in: Regenerate.
7181         * configure: Regenerate.
7182
7183 2009-11-05  Ian Lance Taylor  <iant@google.com>
7184
7185         PR 10910
7186         * output.cc (Output_segment::add_output_section): Add missing
7187         return statement.
7188
7189 2009-11-04  Ian Lance Taylor  <iant@google.com>
7190
7191         PR 10880
7192         * object.h (class Object): Add is_needed and set_is_needed
7193         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7194         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7195         defined in a dynamic object and referenced by a regular object,
7196         set is_needed for the dynamic object.
7197         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7198         if the file is marked with as_needed and it is not needed.
7199
7200 2009-11-04  Ian Lance Taylor  <iant@google.com>
7201
7202         PR 10887
7203         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7204         tags if data is discarded by linker script.
7205         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7206         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7207         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7208         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7209
7210 2009-11-04  Ian Lance Taylor  <iant@google.com>
7211
7212         * layout.cc (Layout::get_output_section): Add is_interp and
7213         is_dynamic_linker_section parameters.  Change all callers.
7214         (Layout::choose_output_section): Likewise.
7215         (Layout::make_output_section): Likewise.
7216         (Layout::add_output_section_data): Add is_dynamic_linker_section
7217         parameter.  Change all callers.
7218         * layout.h (class Layout): Update declarations.
7219         * output.h (class Output_section): Add is_interp, set_is_interp,
7220         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7221         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7222         generate_code_fills_at_write_ to a bitfield.
7223         * output.cc (Output_section::Output_sections): Initialize new
7224         fields.
7225         (Output_segment::add_output_section): Add do_sort parameter.
7226         Change all callers.
7227
7228 2009-11-03  Ian Lance Taylor  <iant@google.com>
7229
7230         PR 10860
7231         * options.h (class General_options): Add --warn-common.
7232         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7233         merging two common symbols.
7234         (Symbol_table::should_override): Handle --warn-common when merging
7235         a common symbol with a defined symbol.  Use report_resolve_problem
7236         for multiple definitions.
7237         (Symbol_table::report_resolve_problem): New function.
7238         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7239
7240 2009-11-03  Doug Kwan  <dougkwan@google.com>
7241
7242         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7243         stub_factory_.
7244         (Target_arm::stub_factory): New method definition.
7245         (Target_arm::new_arm_input_section,
7246         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7247         Target_arm::reloc_uses_thumb_bit): New method declarations.
7248         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7249         New type definitions.
7250         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7251         member declarations.
7252         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7253         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7254         New method definitions.
7255
7256 2009-11-03  Ian Lance Taylor  <iant@google.com>
7257
7258         * options.h (class General_options): Add --warn_constructors.
7259
7260 2009-11-03  Ian Lance Taylor  <iant@google.com>
7261
7262         PR 10893
7263         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7264         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7265
7266 2009-11-03  Ian Lance Taylor  <iant@google.com>
7267
7268         PR 10895
7269         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7270         --msgid-bugs-address.
7271         (install-pdf): New target.
7272         (install-data_yes): Look up one directory to find mkinstalldirs.
7273
7274 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7275
7276         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7277         tree.
7278
7279 2009-10-30  Doug Kwan  <dougkwan@google.com>
7280
7281         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7282
7283 2009-10-30  Doug Kwan  <dougkwan@google.com>
7284
7285         * arm.cc (Stub_addend_reader): New struct template definition
7286         and partial specializations.
7287         (Stub_addend_reader::operator()): New method definition for a
7288         partially specialized template.
7289
7290 2009-10-30  Doug Kwan  <dougkwan@google.com>
7291
7292         * arm.cc (Arm_relobj::processor_specific_flags): New method
7293         definition.
7294         (Arm_relobj::do_read_symbols): New method declaration.
7295         (Arm_relobj::processor_specific_flags_): New data member declaration.
7296         (Arm_dynobj): New class definition.
7297         (Target_arm::do_finalize_sections): Add input_objects parameter.
7298         (Target_arm::do_adjust_elf_header): New method declaration.
7299         (Target_arm::are_eabi_versions_compatible,
7300         (Target_arm::merge_processor_specific_flags): New method declaration.
7301         (Target_arm::do_make_elf_object): New overloaded method definitions
7302         and declaration.
7303         (Arm_relobj::do_read_symbols): New method definition.
7304         (Arm_dynobj::do_read_symbols): Ditto.
7305         (Target_arm::do_finalize_sections): Add input_objects parameters.
7306         Merge processor-specific flags from all input objects.
7307         (Target_arm::are_eabi_versions_compatible,
7308         Target_arm::merge_processor_specific_flags,
7309         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7310         New method definitions.
7311         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7312         Input_objects pointer type parameter.
7313         * layout.cc (Layout::finalize): Pass input objects to target's.
7314         finalize_sections function.
7315         * output.cc (Output_file_header::do_sized_write): Set ELF file
7316         header's processor-specific flags.
7317         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7318         Input_objects pointer type parameter.
7319         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7320         * target.h (Input_objects): New forward class declaration.
7321         (Target::processor_specific_flags,
7322         Target::are_processor_specific_flags_sect): New method definitions.
7323         (Target::finalize_sections): Add input_objects parameter.
7324         (Target::Target): Initialize processor_specific_flags_ and
7325         are_processor_specific_flags_set_.
7326         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7327         parameter.
7328         (Target::set_processor_specific_flags): New method definition.
7329         (Target::processor_specific_flags_,
7330         Target::are_processor_specific_flags_set_): New data member
7331         declarations.
7332         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7333         Input_objects pointer type parameter.
7334
7335 2009-10-30  Doug Kwan  <dougkwan@google.com>
7336
7337         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7338
7339 2009-10-28  Ian Lance Taylor  <iant@google.com>
7340
7341         * object.h (class Relobj): Drop options parameter from
7342         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7343         do_scan_relocs, do_relocate.  Change all callers.
7344         (class Sized_relobj): Drop options parameters from
7345         do_gc_process_relocs, do_scan_relocs, do_relocate,
7346         do_relocate_sections, relocate_sections, emit_relocs_scan,
7347         emit_relocs_scan_reltype.  Change all callers.
7348         (struct Relocate_info): Remove options field and all references to
7349         it.
7350         * reloc.h (class Read_relocs): Remove options constructor
7351         parameter and options_ field.  Change all callers.
7352         (class Gc_process_relocs, class Scan_relocs): Likewise.
7353         (class Relocate_task): Likewise.
7354         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7355         all callers.
7356         (scan_relocatable_relocs): Likewise.
7357         * target.h (class Sized_target): Remove options parameter from
7358         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7359         all callers.
7360         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7361         callers.
7362         * arm.cc: Update functions to remove options parameters.
7363         * i386.cc: Likewise.
7364         * powerpc.cc: Likewise.
7365         * sparc.cc: Likewise.
7366         * x86_64.cc: Likewise.
7367         * testsuite/testfile.cc: Likewise.
7368
7369 2009-10-28  Doug Kwan  <dougkwan@google.com>
7370
7371         * arm.cc (Arm_relobj): New class definition.
7372         (Arm_relobj::scan_sections_for_stubs,
7373         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7374         New method definitions.
7375
7376 2009-10-28  Cary Coutant  <ccoutant@google.com>
7377
7378         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7379         (Plugin::cleanup_done_): New member.
7380         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7381         (Plugin_manager::cleanup_done_): Remove.
7382         (Plugin_manager::add_input_file): Edit error message.
7383         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7384         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7385
7386 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7387
7388         * fileread.cc: (File_read::View::~View): Use the new
7389         data_ownership_ filed.
7390         (File_read::~File_read): Dispose the new whole_file_view_.
7391         (File_read::open): Mmap the whole file if needed.
7392         (File_read::open): Use whole_file_view_ instead of contents_.
7393         (File_read::find_view): Use whole_file_view_ if applicable.
7394         (File_read::do_read): Use whole_file_view_ instead of contents_.
7395         (File_read::make_view): Use whole_file_view_ instead of contents_,
7396         update File_read::View::View call.
7397         (File_read::find_or_make_view): Update File_read::View::View
7398         call.
7399         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7400         remove contents_
7401         (File_read::View::Data_ownership): New enum.
7402         (File_read::View::View): Replace bool mapped_ with Data_ownership
7403         argument.
7404         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7405         (File_read::View::data_ownership_): New field.
7406         (File_read::contents_): Remove (replaced by whole_file_view_).
7407         (File_read::whole_file_view_): New field.
7408         * options.h (class General_options): Add --keep-files-mapped.
7409
7410 2009-10-27  Cary Coutant  <ccoutant@google.com>
7411
7412         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7413         * testsuite/Makefile.am (plugin_test_5): New test case.
7414         * testsuite/Makefile.in: Regenerate.
7415
7416 2009-10-25  Doug Kwan  <dougkwan@google.com>
7417
7418         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7419         from private to protected to allow access by child class.
7420         (Sized_relobj::do_relocate_sections): New method declaration.
7421         (Sized_relobj::relocate_sections): Virtualize.
7422         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7423         Sized_relobj::relocate_sections.  Instantiate template explicitly
7424         for different target sizes and endianity.
7425
7426 2009-10-24  Doug Kwan  <dougkwan@google.com>
7427
7428         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7429         (Arm_input_section::as_arm_input_section): New method.
7430         (Arm_output_section): New class definition.
7431         (Arm_output_section::create_stub_group,
7432         Arm_output_section::group_sections): New method definitions.
7433
7434 2009-10-22  Doug Kwan  <dougkwan@google.com>
7435
7436         * arm.cc (Arm_input_section): New class definition.
7437         (Arm_input_section::init, Arm_input_section:do_write,
7438         Arm_input_section::set_final_data_size,
7439         Arm_input_section::do_reset_address_and_file_offset): New method
7440         definitions.
7441
7442 2009-10-21  Doug Kwan  <dougkwan@google.com>
7443
7444         * arm.cc (Stub_table, Arm_input_section): New forward class
7445         declarations.
7446         (Stub_table): New class defintion.
7447         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7448         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7449         New method definition.
7450
7451 2009-10-21  Doug Kwan  <dougkwan@google.com>
7452
7453         * arm.cc: Update copyright comments.
7454         (Target_arm): New forward class template declaration.
7455         (Arm_address): New type.
7456         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7457         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7458         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7459         constants.
7460         (Insn_template): Same.
7461         (DEF_STUBS): New macro.
7462         (Stub_type): New enum type.
7463         (Stub_template): New class definition.
7464         (Stub): Same.
7465         (Reloc_stub): Same.
7466         (Stub_factory): Same.
7467         (Target_arm::Target_arm): Initialize may_use_blx_ and
7468         should_force_pic_veneer_.
7469         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7470         Target_arm::should_force_pic_veneer,
7471         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7472         Target_arm::using_thumb_only, Target_arm:;default_target): New
7473         method defintions.
7474         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7475         New data member declarations.
7476         (Insn_template::size, Insn_template::alignment): New method defintions.
7477         (Stub_template::Stub_template): New method definition.
7478         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7479         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7480         (Stub_factory::Stub_factory): New method definition.
7481         * gold.h (string_hash): New template.
7482         * output.h (Input_section_specifier::hash_value): Use
7483         gold::string_hash.
7484         (Input_section_specifier::string_hash): Remove.
7485         * stringpool.cc (Stringpool_template::string_hash): Use
7486         gold::string_hash.
7487
7488 2009-10-20  Doug Kwan  <dougkwan@google.com>
7489
7490         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7491         symbols of relaxed input sections.
7492         * output.h (Output_section::find_relaxed_input_section): Make
7493         method public.
7494
7495 2009-10-16  Doug Kwan  <dougkwan@google.com>
7496
7497         * dynobj.cc (Versions::Versions): Initialize version_script_.
7498         Only insert base version symbol definition for a shared object
7499         if version script defines any version versions.
7500         (Versions::define_base_version): New method definition.
7501         (Versions::add_def): Check that base version is not needed.
7502         (Versions::add_need): Define base version lazily.
7503         * dynobj.h (Versions::define_base_version): New method declaration.
7504         (Versions::needs_base_version_): New data member declaration.
7505         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7506         (check_DATA): Add no_version_test.stdout.
7507         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7508         New make rules.
7509         * testsuite/Makefile.in: Regenerate.
7510         * testsuite/no_version_test.c: New file.
7511         * testsuite/no_version_test.sh: Ditto.
7512
7513 2009-10-16  Doug Kwan  <dougkwan@google.com>
7514
7515         * expression.cc (class Segment_start_expression): New class definition.
7516         (Segment_start_expression::value): New method definition.
7517         (script_exp_function_segment_start): Return a new
7518         Segment_start_expression.
7519         * gold/script-c.h (script_saw_segment_start_expression): New function
7520         prototype.
7521         * script-sections.cc (Script_sections::Script_sections): Initialize
7522         SAW_SEGMENT_START_EXPRESSION_ to false.
7523         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7524         and -Tbbs options to specify section addresses if given in
7525         command line and no SEGMENT_START expression is seen in a script.
7526         * script-sections.h (Script_sections::saw_segment_start_expression,
7527         Script_sections::set_saw_segment_start_expression): New method
7528         definition.
7529         (Script_sections::saw_segment_start_expression_): New data member
7530         declaration.
7531         * script.cc (script_saw_segment_start_expression): New function.
7532         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7533         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7534         script_test_7.sh and script_test_8.sh.
7535         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7536         script_test_8.stdout.
7537         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7538         (script_test_6, script_test_6.stdout, script_test_7,
7539         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7540         * Makefile.in: Regenerate.
7541         * testsuite/script_test_6.sh: New file.
7542         * testsuite/script_test_6.t: Same.
7543         * testsuite/script_test_7.sh: Same.
7544         * testsuite/script_test_7.t: Same.
7545         * testsuite/script_test_8.sh: Same.
7546
7547 2009-10-16  Doug Kwan  <dougkwan@google.com>
7548
7549         * output.cc (Output_segment::set_section_list_address): Cast
7550         expressions to unsigned long long type to avoid format warnings.
7551
7552 2009-10-15  Ian Lance Taylor  <iant@google.com>
7553
7554         * script.cc (Script_options::add_symbol_assignment): Always add a
7555         dot assignment to script_sections_.
7556         * script-sections.cc (Script_sections::add_dot_assignment):
7557         Initialize if necessary.
7558
7559         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7560         program headers with no load segment if there is a linker script.
7561
7562         * layout.cc (Layout::set_segment_offsets): Align the file offset
7563         to the segment aligment for -N or -n with no load segment.
7564         * output.cc (Output_segment::add_output_section): Don't crash if
7565         the first section is a TLS section.
7566         (Output_segment::set_section_list_addresses): Print an error
7567         message if the address moves backward in a linker script.
7568         * script-sections.cc
7569         (Output_section_element_input::set_section_addresses): Don't
7570         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7571         (Orphan_output_section::set_section_addresses): Likewise.
7572
7573 2009-10-15  Doug Kwan  <dougkwan@google.com>
7574
7575         * layout.cc (Layout::finish_dynamic_section): Generate tags
7576         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7577         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7578         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7579
7580 2009-10-14  Ian Lance Taylor  <iant@google.com>
7581
7582         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7583         fields.
7584         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7585         data_shdr fields of relinfo.
7586         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7587         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7588         R_386_TLS_LDO_32, adjust based on section flags.
7589         (Target_i386::Relocate::fix_up_ldo): Remove.
7590
7591 2009-10-13  Ian Lance Taylor  <iant@google.com>
7592
7593         Add support for -pie.
7594         * options.h (class General_options): Add -pie and
7595         --pic-executable.
7596         (General_options::output_is_position_independent): Test -pie.
7597         (General_options::output_is_executable): Return true if not shared
7598         and not relocatable.
7599         (General_options::output_is_pie): Remove.
7600         * options.cc (General_options::finalize): Reject incompatible uses
7601         of -pie.
7602         * gold.cc (queue_middle_tasks): A -pie link is not static.
7603         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7604         * symtab.cc (Symbol::final_value_is_known): Return false if
7605         output_is_position_independent.
7606         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7607         output_is_position_independent.
7608         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7609         output_is_position_independent.
7610         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7611         output_is_position_independent.
7612         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7613         two_file_pie_test.
7614         (basic_pie_test.o, basic_pie_test): New targets.
7615         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7616         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7617         (two_file_pie_test): New target.
7618         * testsuite/Makefile.in: Rebuild.
7619         * README: Remove note saying that -pie is not supported.
7620
7621 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7622
7623         * options.h (class General_options): Add -init and -fini.
7624         * layout.cc (Layout::finish_dynamic_section): Emit
7625         given init and fini functions.
7626
7627 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7628
7629         * gc.h (gc_process_relocs): Check if icf is enabled using new
7630         function.
7631         * gold.cc (queue_initial_tasks): Likewise.
7632         (queue_middle_tasks): Likewise.
7633         * object.cc (do_layout): Likewise.
7634         * symtab.cc (is_section_folded): Likewise.
7635         * main.cc (main): Likewise.
7636         * reloc.cc (Read_relocs::run): Likewise.
7637         (Sized_relobj::do_scan_relocs): Likewise.
7638         * icf.cc (is_function_ctor_or_dtor): New function.
7639         (Icf::find_identical_sections): Check if function is ctor or dtor when
7640         safe icf is chosen.
7641         * options.h (General_options::icf): Change option to be an enum.
7642         (Icf_status): New enum.
7643         (icf_enabled): New method.
7644         (icf_safe_folding): New method.
7645         (set_icf_status): New method.
7646         (icf_status_): New variable.
7647         * (options.cc) (General_options::finalize): Set icf_status_.
7648         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7649         icf_test and icf_keep_unique_test to use the --icf enum flag.
7650         * testsuite/icf_safe_test.sh: New file.
7651         * testsuite/icf_safe_test.cc: New file.
7652
7653 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7654
7655         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7656         includes to gc.h and icf.h.
7657         * arm.cc: Include gc.h.
7658         * gold.cc: Likewise.
7659         * i386.cc: Likewise.
7660         * powerpc.cc: Likewise.
7661         * sparc.cc: Likewise.
7662         * x86_64.cc: Likewise.
7663         * gc.h: Include icf.h.
7664
7665 2009-10-11  Ian Lance Taylor  <iant@google.com>
7666
7667         * plugin.cc: Include "gold.h" before other header files.
7668
7669 2009-10-10  Chris Demetriou  <cgd@google.com>
7670
7671         * options.h (Input_file_argument::Input_file_type): New enum.
7672         (Input_file_argument::is_lib_): Replace with...
7673         (Input_file_argument::type_): New member.
7674         (Input_file_argument::Input_file_argument): Take Input_file_type
7675         'type' rather than boolean 'is_lib' as second argument.
7676         (Input_file_argument::is_lib): Use type_.
7677         (Input_file_argument::is_searched_file): New function.
7678         (Input_file_argument::may_need_search): Handle is_searched_file.
7679         * options.cc (General_options::parse_library): Support -l:filename.
7680         (General_options::parse_just_symbols): Update for Input_file_argument
7681         changes.
7682         (Command_line::process): Likewise.
7683         * archive.cc (Archive::get_file_and_offset): Likewise.
7684         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7685         * script.cc (read_script_file, script_add_file): Likewise.
7686         * fileread.cc (Input_file::Input_file): Likewise.
7687         (Input_file::will_search_for): Handle is_searched_file.
7688         (Input_file::open): Likewise.
7689         * readsyms.cc (Read_symbols::get_name): Likewise.
7690         * testsuite/Makefile.am (searched_file_test): New test.
7691         * testsuite/Makefile.in: Regenerate.
7692         * testsuite/searched_file_test.cc: New file.
7693         * testsuite/searched_file_test_lib.cc: New file.
7694
7695 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7696             Ian Lance Taylor  <iant@google.com>
7697
7698         * descriptor.cc: Include <cstdio> and "binary-io.h".
7699         (Descriptors::open): Open the files in binary mode always.
7700         * script.cc (Lex::get_token): Treat \r as whitespace.
7701
7702 2009-10-09  Ian Lance Taylor  <iant@google.com>
7703
7704         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7705
7706 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7707             Ian Lance Taylor  <iant@google.com>
7708
7709         * configure.ac: Check for readv function also.
7710         * fileread.cc (readv): Define if not HAVE_READV.
7711         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7712         does not exist.
7713         * config.in: Regenerate.
7714         * configure: Regenerate.
7715
7716 2009-10-09  Doug Kwan  <dougkwan@google.com>
7717
7718         * layout.cc (Layout::make_output_section): Call target hook to make
7719         ordinary output section.
7720         (Layout::finalize): Adjust parameter list of call the
7721         Target::may_relax().
7722         * layout.h (class Layout::section_list): New method.
7723         * merge.h (Output_merge_base::entsize): Change visibility to public.
7724         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7725         New methods.
7726         (Output_merge_string::do_is_string): New method.
7727         * object.cc (Sized_relobj::do_setup): renamed from
7728         Sized_relobj::set_up.
7729         * object.h (Sized_relobj::adjust_shndx,
7730         Sized_relobj::initializ_input_to_output_maps,
7731         Sized_relobj::free_input_to_output_maps): Change visibilities to
7732         protected.
7733         (Sized_relobj::setup): Virtualize.
7734         (Sized_relobj::do_setup): New method declaration.
7735         (Sized_relobj::invalidate_section_offset,
7736         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7737         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7738         * options.cc (parse_int): New function.
7739         * options.h (parse_int): New declaration.
7740         (DEFINE_int): New macro.
7741         (stub_group_size): New option.
7742         * output.cc (Output_section::Output_section): Initialize memebers
7743         merge_section_map_, merge_section_by_properties_map_,
7744         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7745         (Output_section::add_input_section): Handled deferred code-fill
7746         generation and remove an old comment.
7747         (Output_section::add_relaxed_input_section): New method definition.
7748         (Output_section::add_merge_input_section): Use merge section by
7749         properties map to speed to search.  Update merge section maps
7750         as appropriate.
7751         (Output_section::build_relaxation_map): New method definition.
7752         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7753         Same.
7754         (Output_section::relax_input_section): Renamed to
7755         Output_section::convert_input_sections_to_relaxed_sections and change
7756         interface to take a vector of pointers to relaxed sections.
7757         (Output_section::find_merge_section,
7758         Output_section::find_relaxed_input_section): New method definitions.
7759         (Output_section::is_input_address_mapped,
7760         Output_section::output_offset, Output_section::output_address):
7761         Use output section data maps to speed up searching.
7762         (Output_section::find_starting_output_address): Add comments.
7763         (Output_section::do_write,
7764         Output_section::write_to_postprocessing_buffer): Do code-fill
7765         generation as appropriate.
7766         (Output_section::get_input_sections): Invalidate relaxed input section
7767         map.
7768         (Output_section::restore_states): Adjust type of checkpoint .
7769         Invalidate relaxed input section map.
7770         * output.h (Output_merge_base): New class declaration.
7771         (Input_section_specifier): New class defintion.
7772         (class Output_relaxed_input_section) Change base class to
7773         Output_section_data_build.
7774         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7775         base class initializer.
7776         (Output_section::add_relaxed_input_section): New method declaration.
7777         (Output_section::Input_section): Change visibility to protected.
7778         (Output_section::Input_section::relobj,
7779         Output_section::Input_section::shndx): Handle relaxed input sections.
7780         Output_section::input_sections) Change visibility to protected.  Also
7781         define overload to return a non-const pointer.
7782         (Output_section::Merge_section_properties): New class defintion.
7783         (Output_section::Merge_section_by_properties_map,
7784         Output_section::Output_section_data_by_input_section_map,
7785         Output_section::Relaxation_map): New types.
7786         (Output_section::relax_input_section): Rename method to
7787         Output_section::convert_input_sections_to_relaxed_sections and change
7788         interface to take a vector of relaxed section pointers.
7789         (Output_section::find_merge_section,
7790         Output_section::find_relaxed_input_section,
7791         Output_section::build_relaxation_map,
7792         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7793         New method declarations.
7794         (Output_section::merge_section_map_
7795         Output_section::merge_section_by_properties_map_,
7796         Output_section::relaxed_input_section_map_,
7797         Output_section::is_relaxed_input_section_map_valid_,
7798         Output_section::generate_code_fills_at_write_): New data members.
7799         * script-sections.cc
7800         (Output_section_element_input::set_section_addresses): Call
7801         current_data_size and addralign methods of relaxed input sections.
7802         (Orphan_output_section::set_section_addresses): Call current_data_size
7803         and addralign methods of relaxed input sections.
7804         * symtab.cc (Symbol_table::compute_final_value): Extract template
7805         from the body of Symbol_table::sized_finalize_symbol.
7806         (Symbol_table::sized_finalized_symbol): Call
7807         Symbol_table::compute_final_value.
7808         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7809         (Symbol_table::compute_final_value): New templated method declaration.
7810         * target.cc (Target::do_make_output_section): New method defintion.
7811         * target.h (Target::make_output_section): New method declaration.
7812         (Target::relax): Add more parameters for input objects, symbol table
7813         and layout.  Adjust call to do_relax.
7814         (Target::do_make_output_section): New method declaration.
7815         (Target::do_relax): Add parameters for input objects, symbol table
7816         and layout.
7817
7818 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7819
7820         * pread.c: Include stdio.h.
7821
7822 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7823
7824         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7825         defined.
7826
7827 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7828
7829         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7830         Change read_shndx type to unsigned int.
7831         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7832         int.
7833         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7834         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7835         Change read_shndx type to unsigned int.
7836         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7837         int.
7838         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7839         * layout.cc (Layout::create_symtab_sections): Cast the result of
7840         local_symcount * symsize to off_t in the gold_assert.
7841
7842 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7843
7844         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7845         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7846         R_ARM_BASE_ABS.
7847         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7848         (Arm_relocate_functions::thm_abs5): New function.
7849         (Arm_relocate_functions::abs12): New function.
7850         (Arm_relocate_functions::abs16): New function.
7851         (Arm_relocate_functions::base_abs): New function.
7852         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7853         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7854         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7855         R_ARM_BASE_ABS.
7856         (Scan::global): Likewise.
7857         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7858         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7859         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7860         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7861         R_ARM_BASE_ABS.
7862
7863 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7864
7865         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7866         (Arm_relocate_functions::movt_prel): New function.
7867         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7868         (Arm_relocate_functions::thm_movt_prel): New function.
7869         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7870         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7871         (Scan::global, Relocate::relocate): Likewise.
7872         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7873
7874 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7875
7876         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7877         Incremental_checker.
7878         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7879         unsigned int.
7880         (class Incremental_inputs_header): New class.
7881         (Incremental_inputs_header_writer): Edit comment.
7882         (Incremental_inputs_entry): New class.
7883         (Incremental_inputs_entry_writer): Edit comment.
7884         (Sized_incremental_binary::do_find_incremental_inputs_section):
7885         Add *strtab_shndx parameter, fill it.
7886         (Sized_incremental_binary::do_check_inputs): New method.
7887         (Incremental_checker::can_incrementally_link_output_file): Use
7888         Sized_incremental_binary::check_inputs.
7889         (Incremental_inputs::report_command_line): Save command line in
7890         command_line_.
7891         * incremental.h:
7892         (Incremental_binary::find_incremental_inputs_section): New
7893         method.
7894         (Incremental_binary::do_find_incremental_inputs_section): Add
7895         strtab_shndx parameter.
7896         (Incremental_binary::do_check_inputs): New pure virtual method.
7897         (Sized_incremental_binary::do_check_inputs): Declare.
7898         (Incremental_checker::Incremental_checker): Add incremental_inputs
7899         parameter, use it to initialize incremental_inputs_.
7900         (Incremental_checker::incremental_inputs_): New field.
7901         (Incremental_checker::command_line): New method.
7902         (Incremental_checker::inputs): New method.
7903         (Incremental_checker::command_line_): New field.
7904
7905 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7906
7907         * incremental.cc: Include <cstdarg> and "target-select.h".
7908         (vexplain_no_incremental): New function.
7909         (explain_no_incremental): New function.
7910         (Incremental_binary::error): New method.
7911         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7912         method.
7913         (make_sized_incremental_binary): New function.
7914         (open_incremental_binary): New function.
7915         (can_incrementally_link_file): Add checks if output is ELF and has
7916         inputs section.
7917         * incremental.h: Include "elfcpp_file.h" and "output.h".
7918         (Incremental_binary): New class.
7919         (Sized_incremental_binary): New class.
7920         (open_incremental_binary): Declare.
7921         * object.cc (is_elf_object): Use
7922         elfcpp::Elf_recognizer::is_elf_file.
7923         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7924         * output.h (Output_file::filesize): New method.
7925
7926 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7927
7928         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7929         New function.
7930         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7931         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7932         function.
7933         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7934         function.
7935         (Arm_relocate_functions::movw_abs_nc): New function.
7936         (Arm_relocate_functions::movt_abs): New function.
7937         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7938         (Arm_relocate_functions::thm_movt_abs): New function.
7939         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7940         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7941         (Scan::global): Likewise.
7942         (Relocate::relocate): Likewise.
7943         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7944
7945 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7946
7947         * arm.cc (Arm_relocate_functions::got_prel) New function.
7948         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7949         (Relocate::relocate): Likewise.
7950         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7951
7952 2009-10-06  Ian Lance Taylor  <iant@google.com>
7953
7954         * options.h (class General_options): Define
7955         split_stack_adjust_size parameter.
7956         * object.h (class Object): Add uses_split_stack_ and
7957         has_no_split_stack_ fields.  Add uses_split_stack and
7958         has_no_split_stack accessor functions.  Declare
7959         handle_split_stack_section.
7960         (class Reloc_symbol_changes): Define.
7961         (class Sized_relobj): Define Function_offsets.  Declare
7962         split_stack_adjust, split_stack_adjust_reltype, and
7963         find_functions.
7964         * object.cc (Object::handle_split_stack_section): New function.
7965         (Sized_relobj::do_layout): Call handle_split_stack_section.
7966         * dynobj.cc (Sized_dynobj::do_layout): Call
7967         handle_split_stack_section.
7968         * reloc.cc (Sized_relobj::relocate_sections): Call
7969         split_stack_adjust for executable sections in split_stack
7970         objects.  Pass reloc_map to relocate_section.
7971         (Sized_relobj::split_stack_adjust): New function.
7972         (Sized_relobj::split_stack_adjust_reltype): New function.
7973         (Sized_relobj::find_functions): New function.
7974         * target-reloc.h: Include "object.h".
7975         (relocate_section): Add reloc_symbol_changes parameter.  Change
7976         all callers.
7977         * target.h (class Target): Add calls_non_split method.  Declare
7978         do_calls_non_split virtual method.  Declare match_view and
7979         set_view_to_nop.
7980         * target.cc: Include "elfcpp.h".
7981         (Target::do_calls_non_split): New function.
7982         (Target::match_view): New function.
7983         (Target::set_view_to_nop): New function.
7984         * gold.cc (queue_middle_tasks): Give an error if mixing
7985         split-stack and non-split-stack objects with -r.
7986         * i386.cc (Target_i386::relocate_section): Add
7987         reloc_symbol_changes parameter.
7988         (Target_i386::do_calls_non_split): New function.
7989         * x86_64.cc (Target_x86_64::relocate_section): Add
7990         reloc_symbol_changes parameter.
7991         (Target_x86_64::do_calls_non_split): New function.
7992         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7993         parameter.
7994         * powerpc.cc (Target_powerpc::relocate_section): Add
7995         reloc_symbol_changes parameter.
7996         * sparc.cc (Target_sparc::relocate_section): Add
7997         reloc_symbol_changes parameter.
7998         * configure.ac: Call AM_CONDITIONAL for the default target.
7999         * configure: Rebuild.
8000         * testsuite/Makefile.am (TEST_AS): New variable.
8001         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8002         (check_DATA): Add split_i386 and split_x86_64 files.
8003         (SPLIT_DEFSYMS): Define.
8004         (split_i386_[1234n].o): New targets.
8005         (split_i386_[124]): New targets.
8006         (split_i386_[1234r].stdout): New targets.
8007         (split_x86_64_[1234n].o): New targets.
8008         (split_x86_64_[124]): New targets.
8009         (split_x86_64_[1234r].stdout): New targets.
8010         (MOSTLYCLEANFILES): Add new executables.
8011         * testsuite/split_i386.sh: New file.
8012         * testsuite/split_x86_64.sh: New file.
8013         * testsuite/split_i386_1.s: New file.
8014         * testsuite/split_i386_2.s: New file.
8015         * testsuite/split_i386_3.s: New file.
8016         * testsuite/split_i386_4.s: New file.
8017         * testsuite/split_i386_n.s: New file.
8018         * testsuite/split_x86_64_1.s: New file.
8019         * testsuite/split_x86_64_2.s: New file.
8020         * testsuite/split_x86_64_3.s: New file.
8021         * testsuite/split_x86_64_4.s: New file.
8022         * testsuite/split_x86_64_n.s: New file.
8023         * testsuite/testfile.cc (Target_test): Update relocation_section
8024         function.
8025         * testsuite/Makefile.in: Rebuild.
8026
8027 2009-10-06  Ian Lance Taylor  <iant@google.com>
8028
8029         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8030         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8031         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8032         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8033         the address on ldo_addrs_.
8034         (Target_i386::Relocate::fix_up_ldo): New function.
8035
8036 2009-10-06   Rafael Espindola  <espindola@google.com>
8037
8038         * plugin.cc (add_input_library): New.
8039         (Plugin::load): Add add_input_library to tv.
8040         (Plugin_manager::add_input_file): Add the is_lib argument.
8041         (add_input_file): Update call to Plugin_manager::add_input_file.
8042         (add_input_library): New.
8043         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8044
8045 2009-09-30  Doug Kwan  <dougkwan@google.com>
8046
8047         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8048         symbol and call Symbol::may_need_copy_reloc to determine if
8049         a copy reloc is needed.
8050         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8051         nocopyreloc is given in command line.
8052         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8053         given in command line.
8054         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8055         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8056         of the removed Target_i386::may_need_copy_reloc.
8057         * options.h (copyreloc): New option with default value false.
8058         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8059         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8060         instead of the removed Target_powerpc::may_need_copy_reloc.
8061         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8062         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8063         instead of the removed Target_sparc::may_need_copy_reloc.
8064         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8065         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8066         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8067         instead of the removed Target_x86_64::may_need_copy_reloc.
8068
8069 2009-09-30  Ian Lance Taylor  <iant@google.com>
8070
8071         * object.h (class Object): Remove target_ field, and target,
8072         sized_target, and set_target methods.
8073         (Object::sized_target): Remove.
8074         (class Sized_relobj): Update declarations.  Remove sized_target.
8075         * object.cc (Sized_relobj::setup): Remove target parameter.
8076         Change all callers.
8077         (Input_objects::add_object): Don't do anything with the target.
8078         (make_elf_sized_object): Add punconfigured parameter.  Change all
8079         callers.  Set or test parameter target.
8080         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8081         Change all callers.
8082         * parameters.cc (Parameters::set_target): Change parameter type to
8083         be non-const.
8084         (Parameters::default_target): Remove.
8085         (set_parameters_target): Change parameter type to be non-const.
8086         (parameters_force_valid_target): New function.
8087         (parameters_clear_target): New function.
8088         * parameters.h (class Parameters): Update declarations.  Remove
8089         default_target method.  Add sized_target and clear_target
8090         methods.  Change target_ to be non-const.
8091         (set_parameters_target): Update declaration.
8092         (parameters_force_valid_target): Declare.
8093         (parameters_clear_target): Declare.
8094         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8095         as NULL if we aren't searching.
8096         (Add_symbols::run): Don't check for compatible target.
8097         * fileread.cc (Input_file::open_binary): Call
8098         parameters_force_valid_target.
8099         * gold.cc (queue_middle_tasks): Likewise.
8100         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8101         set_target on object.
8102         * dynobj.h (class Sized_dynobj): Update declarations.
8103         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8104         make_elf_object returns NULL.
8105         (Archive::include_member): Don't check whether object target is
8106         compatible.
8107         * output.cc (Output_section::add_input_section): Get target from
8108         parameters.
8109         (Output_section::relax_input_section): Likewise.
8110         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8111         parameters.
8112         (Sized_relobj::do_scan_relocs): Likewise.
8113         (Sized_relobj::relocate_sections): Likewise.
8114         * resolve.cc (Symbol_table::resolve): Likewise.
8115         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8116         parameter.  Change all callers.
8117         (Symbol_table::add_from_object): Get target from parameters.
8118         (Symbol_table::add_from_relobj): Don't check object target.
8119         (Symbol_table::add_from_dynobj): Likewise.
8120         (Symbol_table::define_special_symbol): Get target from
8121         parameters.
8122         * symtab.h (class Symbol_table): Update declaration.
8123         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8124         parameter.  Change all callers.  Clear parameter target.
8125         (Binary_test): Test target here.
8126         * testsuite/object_unittest.cc (gold_testsuite): Remove
8127         target_test_pointer parameter.  Change all callers.
8128         (Object_test): Test target here.
8129
8130 2009-09-26  Ian Lance Taylor  <iant@google.com>
8131
8132         * testsuite/initpri1.c: Don't try to use constructor priorities if
8133         compiling with gcc before 4.3.
8134
8135 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8136
8137         * testsuite/retain_symbols_file_test.sh (check_present): Change
8138         output file name to retain_symbols_file_test.stdout.
8139         (check_absent): Likewise.
8140
8141 2009-09-18  Craig Silverstein  <csilvers@google.com>
8142
8143         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8144         * options.cc: Include <cerrno> and <fstream>.
8145         (General_options::finalize): Parse -retain-symbols-file tag.
8146         * options.h: New flag.
8147         (General_options): New method should_retain_symbol, new
8148         variable symbols_to_retain.
8149         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8150         should_retain_symbol map.
8151         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8152         * testsuite/Makefile.in: Regenerate.
8153         * testsuite/retain_symbols_file_test.sh: New file.
8154
8155 2009-09-18  Nick Clifton  <nickc@redhat.com>
8156
8157         * po/es.po: Updated Spanish translation.
8158
8159 2009-09-17  Doug Kwan  <dougkwan@google.com>
8160
8161         * debug.h (DEBUG_RELAXATION): New constant.
8162         (DEBUG_ALL): Add DEBUG_RELAXATION.
8163         (debug_string_to_enum): Add relaxation debug option.
8164         * layout.cc
8165         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8166         Layout::Relaxation_debug_check::read_sections,
8167         Layout::Relaxation_debug_check::read_sections): New method definitions.
8168         (Layout::Layout): Initialize data members
8169         record_output_section_data_from_scrips_,
8170         script_output_section_data_list_ and relaxation_debug_check_.
8171         (Layout::save_segments, Layout::restore_segments,
8172         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8173         Layout::relaxation_loop_body): New method definitions.
8174         (Layout::finalize): Support relaxation.  Move section layout code to
8175         Layout::relaxation_loop_body.
8176         (Layout::set_asection_address_from_script): Move code for orphan
8177         section placement out.
8178         (Layout::place_orphan_sections_in_script): New method definition.
8179         * layout.h (Output_segment_headers, Output_file_header):
8180         New forward class declarations.
8181         (Layout::~Layout): Define.
8182         (Layout::new_output_section_data_from_script): New method definition.
8183         (Layout::place_orphan_sections_in_script): New method declaration.
8184         (Layout::Segment_states): New type declaration.
8185         (Layout::save_segments, Layout::restore_segments,
8186         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8187         Layout::relaxation_loop_body): New method declarations.
8188         (Layout::Output_section_data_list): New type declaration.
8189         (Layout::Relaxation_debug_check): New class definition.
8190         (Layout::record_output_section_data_from_script_,
8191         Layout::script_output_section_data_list_, Layout::segment_states_,
8192         Layout::relaxation_debug_check_): New data members.
8193         * output.cc: (Output_section_headers::do_size): New method definition.
8194         (Output_section_headers::Output_section_headers): Move size
8195         computation to Output_section_headers::do_size.
8196         (Output_segment_headers::do_size): New method definition.
8197         (Output_file_header::Output_file_header): Move size computation to
8198         Output_file_header::do_size and call it.
8199         (Output_file_header::do_size): New method definition.
8200         (Output_data_group::Output_data_group): Adjust call to
8201         Output_section_data.
8202         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8203         (Output_symtab_xindex::do_write): Add array bound check.
8204         (Output_section::Input_section::print_to_mapfile): Handle
8205         RELAXED_INPUT_SECTION_CODE.
8206         (Output_section::Output_section): Initialize data member checkpoint_.
8207         (Output_section::~Output_section): Delete checkpoint object pointed
8208         by checkpoint_.
8209         (Output_section::add_input_section): Always add an Input_section if
8210         relaxing.
8211         (Output_section::add_merge_input_section): Add assert.
8212         (Output_section::relax_input_section): New method definition.
8213         (Output_section::set_final_data_size): Set load address to zero for
8214         an unallocated section.
8215         (Output_section::do_address_and_file_offset_have_reset_values):
8216         New method definition.
8217         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8218         Handle relaxed input section.
8219         (Output_section::sort_attached_input_sections): Checkpoint input
8220         section list lazily.
8221         (Output_section::get_input_sections): Change type of input_sections to
8222         list of Simple_input_section pointers.  Checkpoint input section list
8223         lazily.  Also handle relaxed input sections.
8224         (Output_section::add_input_section_for_script): Take a reference to
8225         a Simple_input_section object instead of Relobj pointer and section
8226         index as parameter.  Handle relaxed input sections.
8227         (Output_section::save_states, Output_section::restore_states): New
8228         method definitions.
8229         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8230         (Output_data::is_data_size_fixed): New method definition.
8231         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8232         if it is fixed.
8233         (Output_data::address_and_file_offset_have_reset_values): New method
8234         definition.
8235         (Output_data::do_address_and_file_offset_have_reset_values): New method
8236         definition.
8237         (Output_data::set_data_size): Check that data size is not fixed.
8238         (Output_data::fix_data_size): New method definition.
8239         (Output_data::is_data_size_fixed_): New data member.
8240         (Output_section_headers::set_final_data_size): New method definition.
8241         (Output_section_headers::do_size): New method declaration.
8242         (Output_segment_headers::set_final_data_size): New method definition.
8243         (Output_segment_headers::do_size): New method declaration.
8244         (Output_file_header::set_final_data_size)::New method definition.
8245         (Output_file_header::do_size)::New method declaration.
8246         (Output_section_data::Output_section_data): Add new parameter
8247         is_data_size_fixed and use it to fix data size.
8248         (Output_data_const::Output_data_const): Adjust call to base class
8249         constructor and fix data size.
8250         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8251         base class constructor and fix data size.
8252         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8253         base class constructor and fix data size.
8254         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8255         class constructor and fix data size.
8256         (Output_data_group::set_final_data_size): New method definition.
8257         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8258         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8259         class constructor and fix data size.
8260         (Output_relaxed_input_section): New class definition.
8261         (Output_section::Simple_input_section): New class definition.
8262         (Output_section::get_input_sections): Adjust parameter list.
8263         (Output_section::add_input_section_for_script): Same.
8264         (Output_section::save_states, Output_section::restore_states,
8265         Output_section::do_address_and_file_offset_have_reset_values,
8266         (Output_section::Input_section::Input_section): Handle
8267         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8268         Output_relaxed_input_section.
8269         (Output_section::Input_section::is_input_section,
8270         Output_section::Input_section::set_output_section): Handle relaxed
8271         input section.
8272         (Output_section::Input_section::is_relaxed_input_section,
8273         Output_section::Input_section::output_section_data,
8274         Output_section::Input_section::relaxed_input_section): New method
8275         definitions.
8276         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8277         value.
8278         (Output_section::Input_section::u1_): Update comments.
8279         (Output_section::Input_section::u2_): Add new union member poris.
8280         (Output_section::Checkpoint_output_section): New classs definition.
8281         (Output_section::relax_input_section): New method declaration.
8282         (Output_section::checkpoint_): New data member.
8283         (Output_segment): Update comments.
8284         (Output_segment::Output_segment): Un-privatize copy constructor.
8285         (Output_segment::operator=): Un-privatize.
8286         * script-sections.cc (Output_section_element::Input_section_list):
8287         Change element type to Output_section::Simple_input_section.
8288         (Output_section_element_dot_assignment::set_section_addresses):
8289         Register output section data for relaxation clean up.
8290         (Output_data_exression::Output_data_expression): Adjust call to base
8291         constructor to fix data size.
8292         (Output_section_element_data::set_section_addresses): Register
8293         Output_data_expression object for relaxation clean up.
8294         (struct Input_section_info): Replace Relobj pointer and section index
8295         pair with Output_section::Simple_input_section and Convert struct to a
8296         class.
8297         (Input_section_sorter::operator()): Adjust access to
8298         Input_section_info data member to use accessors.
8299         (Output_section_element_input::set_section_addresses): Use layout
8300         parameter.  Adjust code to use Output_section::Simple_input_section
8301         and Input_secction_info classes.  Register filler for relaxation
8302         clean up.
8303         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8304         and section index pair with Output_section::Simple_input_section
8305         class.  Adjust code accordingly.
8306         (Phdrs_element::release_segment): New method definition.
8307         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8308         segment list.
8309         (Script_sections::release_segments): New method definition.
8310         * gold/script-sections.h (Script_sections::release_segments): New
8311         method declaration.
8312         * gold/target.h (Target::may_relax, Target::relax,
8313         Target::do_may_relax, Target::do_relax): New method definitions.
8314
8315 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8316
8317         * arm.cc (has_signed_unsigned_overflow): New function.
8318         (Arm_relocate_functions::abs8): New function.
8319         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8320         (Target_arm::Scan::global): Likewise.
8321         (Target_arm::relocate::relocate): Likewise.
8322         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8323         Likewise.
8324
8325 2009-09-16  Cary Coutant  <ccoutant@google.com>
8326
8327         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8328         * testsuite/Makefile.in: Regenerate.
8329
8330 2009-09-11  Nick Clifton  <nickc@redhat.com>
8331
8332         * po/gold.pot: Updated by the Translation project.
8333
8334 2009-09-08  Cary Coutant  <ccoutant@google.com>
8335
8336         * output.cc (Output_file::open): Add execute permission to empty file.
8337         * testsuite/Makefile.am (permission_test): New test.
8338         * testsuite/Makefile.in: Regenerate.
8339
8340 2009-09-02  Ian Lance Taylor  <iant@google.com>
8341
8342         * output.cc (Output_file::resize): Call map_no_anonymous rather
8343         than map.
8344
8345 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8346
8347         * gold.cc: Include "incremental.h".
8348         (queue_initial_tasks): Call Incremental_checker methods.
8349         * incremental.cc: Include "output.h".
8350         (Incremental_checker::can_incrementally_link_output_file): New
8351         method.
8352         * incremental.h (Incremental_checker): New class.
8353
8354         * output.cc (Output_file::open_for_modification): New method.
8355         (Output_file::map_anonymous): Changed return type to bool.  Record
8356         map in base_ field.
8357         (Output_file::map_no_anonymous): New method, broken out of map.
8358         (Output_file::map): Use map_no_anonymous and map_anonymous.
8359         * output.h (class Output_file): Update declarations.
8360
8361 2009-08-24  Cary Coutant  <ccoutant@google.com>
8362
8363         * options.h (Command_line::Pre_options): New class.
8364         (Command_line::pre_options): New member.
8365         * options.cc (gold::options::ready_to_register): New variable.
8366         (One_option::register_option): Do nothing if not registering options.
8367         Assert if same short option registered twice.
8368         (General_options::General_options): Turn off option registration when
8369         done constructing.
8370         (Command_line::Pre_options::Pre_options): New constructor.
8371
8372 2009-08-24  Cary Coutant  <ccoutant@google.com>
8373
8374         * options.h (General_options::no_keep_memory): Remove incorrect
8375         short option.
8376
8377 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8378
8379         * Makefile.am (am__skiplex, am__skipyacc): New.
8380         * Makefile.in: Regenerate.
8381
8382 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8383
8384         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8385         (INCLUDES): ... this.
8386         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8387         (AM_CPPFLAGS): Renamed from ...
8388         (INCLUDE): ... this.
8389         * Makefile.in, testsuite/Makefile.in: Regenerate.
8390
8391         * Makefile.in: Regenerate.
8392         * aclocal.m4: Likewise.
8393         * config.in: Likewise.
8394         * configure: Likewise.
8395         * testsuite/Makefile.in: Likewise.
8396
8397         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8398         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8399         * Makefile.in: Regenerate.
8400         * testsuite/Makefile.in: Regenerate.
8401
8402 2009-08-19  Cary Coutant  <ccoutant@google.com>
8403
8404         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8405         symbols in shared libraries overridden by hidden or internal symbols
8406         in the main program.
8407
8408 2009-08-19  Chris Demetriou  <cgd@google.com>
8409
8410         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8411         checking source file names in error messages.
8412
8413 2009-08-18  Doug Kwan  <dougkwan@google.com>
8414
8415         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8416         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8417         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8418         an elfcpp::Ehdr as parameter.
8419         * object.cc (Object::set_target): Remove the version that looks up
8420         a target and sets it.
8421         (Sized_relobj::setup): Take a Target object instead of
8422         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8423         (make_elf_sized_object): Find target and ask target to
8424         make an ELF object.
8425         * object.h: (Object::set_target): Remove the version that looks up
8426         a target and sets it.
8427         (Sized_relobj::setup): Take a Target object instead of
8428         an elfcpp:Ehdr as parameter.
8429         * target.cc: Include dynobj.h.
8430         (Target::do_make_elf_object_implementation): New.
8431         (Target::do_make_elf_object): New.
8432         * target.h (Target::make_elf_object): New template declaration.
8433         (Target::do_make_elf_object): New method declarations.
8434         (Target::do_make_elf_object_implementation): New template declaration.
8435
8436 2009-08-14  Ian Lance Taylor  <iant@google.com>
8437
8438         * gold.h (FUNCTION_NAME): Define.
8439         (gold_unreachable): Use FUNCTION_NAME.
8440
8441 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8442
8443         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8444         symbol in the --keep-unique list is not found.
8445
8446 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8447
8448         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8449         been maked as --keep-unique.
8450         (Icf::unfold_section): New function.
8451         * icf.h (Icf::unfold_section): New function.
8452         * options.h (General_options::keep_unique): New option.
8453         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8454         * testsuite/Makefile.in: Regenerate.
8455         * testsuite/icf_keep_unique_test.sh: New file.
8456         * testsuite/icf_keep_unique_test.cc: New file.
8457
8458 2009-08-12  Cary Coutant  <ccoutant@google.com>
8459
8460         PR 10471
8461         * resolve.cc (Symbol_table::resolve): Check for references from
8462         dynamic objects to hidden and internal symbols.
8463         * testsuite/Makefile.am (hidden_test.sh): New test.
8464         * testsuite/Makefile.in: Regenerate.
8465         * testsuite/hidden_test.sh: New script.
8466         * testsuite/hidden_test_1.c: New test source.
8467         * testsuite/hidden_test_main.c: New test source.
8468
8469 2009-08-11  Doug Kwan  <dougkwan@google.com>
8470
8471         * arm.cc: Update comments.
8472         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8473         segment to locate the .ARM.exidx section if present.
8474
8475 2009-08-09  Doug Kwan  <dougkwan@google.com>
8476
8477         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8478         patch.
8479
8480 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8481         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8482         compiler warnings.
8483
8484 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8485
8486         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8487         valid tls_segment only for non-debug-section relocations.
8488         * testsuite/Makefile.am: Add gc_tls_test.
8489         * testsuite/Makefile.in: Regenerate.
8490         * testsuite/gc_tls_test.cc: New file.
8491         * testsuite/gc_tls_test.sh: New file.
8492
8493 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8494
8495         * icf.cc: New file.
8496         * icf.h: New file.
8497         * Makefile.am (CCFILES): Add icf.cc.
8498         (HFILES): Add icf.h
8499         * Makefile.in: Regenerate.
8500         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8501         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8502         section, symbol and addend information for the relocs.
8503         * gold.cc (queue_middle_tasks): Call identical code folding.
8504         * gold.h: Add defines for multimap.
8505         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8506         to the call of finalize_local_symbols.
8507         * main.cc (main): Create object of class Icf.
8508         * object.cc (Sized_relobj::do_layout): Allow this function to be
8509         called twice during icf.
8510         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8511         to sections marked as identical by icf.
8512         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8513         when available.
8514         (Sized_relobj::do_section_entsize): New function.
8515         * object.h (Object::section_entsize): New function.
8516         (Object::do_section_entsize): New pure virtual function.
8517         (Relobj::finalize_local_symbols): Add new parameter.
8518         (Relobj::do_section_entsize): New function.
8519         * options.h (General_options::icf): New option.
8520         (General_options::icf_iterations): New option.
8521         (General_options::print_icf_sections): New option.
8522         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8523         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8524         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8525         icf.
8526         * symtab.cc (Symbol_table::is_section_folded): New function.
8527         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8528         to sections marked as identical by icf.
8529         * symtab.h (Symbol_table::set_icf): New function.
8530         (Symbol_table::icf): New function.
8531         (Symbol_table::is_section_folded): New function.
8532         (Symbol_table::icf_): New data member.
8533         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8534         * testsuite/Makefile.am: Add commands to build icf_test.
8535         * testsuite/Makefile.in: Regenerate.
8536         * testsuite/icf_test.sh: New file.
8537         * testsuite/icf_test.cc: New file.
8538
8539 2009-07-24  Chris Demetriou  <cgd@google.com>
8540
8541         * layout.cc (is_compressible_debug_section): Fix incorrect
8542         comment about compressed section names.
8543
8544 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8545
8546         PR 10419
8547         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8548
8549 2009-07-16  Ian Lance Taylor  <iant@google.com>
8550
8551         PR 10400
8552         * layout.h: #include <map>.
8553         (class Kept_section): Change from struct to class.  Add accessors
8554         and setters.  Add section size to Comdat_group mapping.  Change
8555         Comdat_group to std::map.  Add is_comdat_ field.  Add
8556         linkonce_size field in union.
8557         (class Layout): Update declaration of find_or_add_kept_section.
8558         Don't declare find_kept_object.
8559         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8560         parameter.  Add object, shndx, is_comdat, and is_group_name
8561         parameters.  Change all callers.  Adjust for new Kept_section.
8562         (Layout::find_kept_object): Remove.
8563         * object.cc (Sized_relobj::include_section_group): Update use of
8564         Kept_section.  Rename secnum to shndx.  Only record
8565         Kept_comdat_section if sections are the same size.
8566         (Sized_relobj::include_linkonce_section): Update use of
8567         Kept_section.  Only record Kept_comdat_section if sections are the
8568         same size.  Set size of linkonce section.
8569         (Sized_relobj::map_to_kept_section): Update call to
8570         get_kept_comdat_section.
8571         * object.h (class Sized_relobj): Rename fields in
8572         Kept_comdat_section to drop trailing underscores; change object
8573         field to Relobj*.  Change Kept_comdat_section_table to store
8574         struct rather than pointer.
8575         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8576         Add kept_object and kept_shndx parameters.  Change all callers.
8577         (Sized_relobj::get_kept_comdat_section): Change return type to
8578         bool.  Add kept_object and kept_shndx parameters.  Change all
8579         callers.
8580         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8581         Layout::find_or_add_kept_section.
8582
8583 2009-07-09  Ian Lance Taylor  <iant@google.com>
8584
8585         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8586         Reserve space in the hash table.
8587
8588 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8589
8590         * fileread.cc (File_read::get_mtime): New method.
8591         * fileread.h (Timespec): New structure.
8592         (File_read::get_mtime): New method.
8593         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8594         Renamed from timestamp_nsec.
8595         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8596         Elf_Xword.
8597         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8598         timestamp_nsec.
8599         (Incremental_inputs::report_archive): Save mtime; style fix.
8600         (Incremental_inputs::report_obejct): Save mtime; style fix.
8601         (Incremental_inputs::report_script): Save mtime; style fix.
8602         (Incremental_inputs::finalize_inputs): Style fix.
8603         (Incremental_inputs::finalize): Style fix.
8604         (Incremental_inputs::create_input_section_data): Store inputs
8605         mtime.
8606         * incremental.h (Incremental_inputs::report_script): Add mtime
8607         argument.
8608         (Incremental_inputs::Input_info::Input_info): Intialize only one
8609         union member.
8610         (Incremental_inputs::Input_info::archive): Move to nameless
8611         union.
8612         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8613         (Incremental_inputs::Input_info::script): Move to nameless union.
8614         (Incremental_inputs::mtime): New field.
8615         * script.cc (read_input_script): Pass file mtime to
8616         Incremental_input.
8617         * script.h (Script_info::inputs): Style fix.
8618
8619 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8620
8621         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8622         instead of 32.
8623
8624 2009-06-24  Ian Lance Taylor  <iant@google.com>
8625
8626         PR 10156
8627         * layout.cc (Layout::choose_output_section): If we find an
8628         existing section, update the flags.
8629         (Layout::create_notes): New function, broken out of
8630         Layout::finalize.
8631         (Layout::finalize): Don't create note sections.
8632         (Layout::create_note): Don't crash if linker script discards
8633         section.
8634         (Layout::create_gold_note): Likewise.
8635         (Layout::create_build_id): Likewise.  Don't set
8636         after_input_sections on the section.
8637         (Layout::create_executable_stack_info): Remove target parameter.
8638         Change caller.
8639         * layout.h (class Layout): Declare create_notes.  Update
8640         declaration of create_executable_stack_info.
8641         * gold.cc (queue_middle_tasks): Call create_notes.
8642         * output.cc (Output_section::update_flags_for_input_section): Move
8643         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8644         invalid.
8645         * output.h (Output_data::mark_address_invalid): New function.
8646         (class Output_section): Only declare, not define,
8647         update_flags_for_input_section.  Remove set_flags.
8648
8649 2009-06-24  Ian Lance Taylor  <iant@google.com>
8650
8651         * script-sections.cc (Output_section_definition::
8652         set_section_addresses): Rename shadowing local load_address to
8653         laddr.
8654
8655 2009-06-24  Ian Lance Taylor  <iant@google.com>
8656
8657         PR 10244
8658         * reloc.cc (relocate_sections): Skip empty relocation sections.
8659
8660 2009-06-23  Ian Lance Taylor  <iant@google.com>
8661
8662         PR 10156
8663         * layout.cc (Layout::create_note): Use choose_output_section
8664         rather than make_output_section.
8665
8666 2009-06-23  Ian Lance Taylor  <iant@google.com>
8667
8668         PR 10237
8669         * options.cc (General_options::parse_V): Set printed_version_.
8670         (General_options::General_options): Initialize printed_version_.
8671         * options.h (class General_options): Add printed_version_ field.
8672         * gold.cc (queue_initial_tasks): If there are no input files,
8673         don't give a fatal error if we printed the version information.
8674         (queue_middle_tasks): If using -r with a shared object, give a
8675         fatal error rather than an ordinary error.
8676
8677 2009-06-23  Ian Lance Taylor  <iant@google.com>
8678
8679         PR 10219
8680         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8681         (Layout::make_output_section): Set have_stabstr_section_ if we see
8682         a .stab*str section.
8683         (Layout::finalize): Call link_stabs_sections.
8684         (Layout::link_stabs_sections): New file.
8685         * layout.h (class Layout): Add have_stabstr_section_ field.
8686         Declare link_stabs_sections.
8687
8688 2009-06-23  Doug Kwan  <dougkwan@google.com>
8689
8690         * Makefile.am (libgold_a_LIBADD): New.
8691         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8692         * Makefile.in: Regenerate.
8693         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8694         * configure: Regenerate.
8695         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8696         * fileread.cc: Include sys/state.h
8697         * gold.h: Declare memmem and strndup if found missing.
8698         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8699
8700 2009-06-23  Ian Lance Taylor  <iant@google.com>
8701
8702         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8703         * configure: Rebuild.
8704
8705 2009-06-23  Ian Lance Taylor  <iant@google.com>
8706
8707         PR 10147
8708         * object.cc (Object::section_contents): Don't try to get a view if
8709         the section has length zero.
8710         (Object::handle_gnu_warning_section): If the section is empty, use
8711         the name of the section as the warning.
8712
8713 2009-06-23  Ian Lance Taylor  <iant@google.com>
8714
8715         PR 10133
8716         * stringpool.h (class Stringpool_template): Add optimize_ field.
8717         (Stringpool_template::set_optimize): New function.
8718         * stringpool.cc (Stringpool_template::Stringpool_template):
8719         Initialize optimize_ field.
8720         (Stringpool_template::set_string_offsets): Test local optimize
8721         fild rather than parameter.
8722         * layout.cc (Layout::Layout): Call set_optimize on the section
8723         name stringpool.
8724
8725 2009-06-22  Ian Lance Taylor  <iant@google.com>
8726
8727         PR 10030
8728         * yyscript.y: Parse TARGET.
8729         * script.cc (script_set_target): New function.
8730         * script-c.h (script_set_target): Declare.
8731         * options.cc (General_options::string_to_object_format): Rename
8732         from string_to_object_format in anonymous namespace.  Change
8733         callers.
8734         * options.h (class General_options): Declare
8735         string_to_object_format.
8736
8737 2009-06-22  Ian Lance Taylor  <iant@google.com>
8738
8739         * script-sections.cc (Script_sections::create_segments): Don't put
8740         program headers in a PT_LOAD segment if -n or -N.
8741
8742 2009-06-22  Ian Lance Taylor  <iant@google.com>
8743
8744         PR 10141
8745         * options.h (class General_options): Add -z lazy and -z now.  Sort
8746         -z options into alphabetical order.
8747         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8748
8749 2009-06-21  Ian Lance Taylor  <iant@google.com>
8750
8751         * layout.cc (Layout::make_output_section): Call
8752         Target::new_output_section.
8753         (Layout::attach_allocated_section_to_segment): Put large section
8754         sections in a separate load segment with the large segment flag
8755         set.
8756         (Layout::segment_precedes): Sort large data segments after other
8757         load segments.
8758         (align_file_offset): New static function.
8759         (Layout::set_segment_offsets): Use align_file_offset.
8760         * output.h (class Output_section): Add is_small_section_ and
8761         is_large_section_ fields.
8762         (Output_section::is_small_section): New function.
8763         (Output_section::set_is_small_section):  New function.
8764         (Output_section::is_large_section): New function.
8765         (Output_section::set_is_large_section): New function.
8766         (Output_section::is_large_data_section): New function.
8767         (class Output_segment): Add is_large_data_segment_ field.
8768         (Output_segment::is_large_data_segment): New function.
8769         (Output_segment::set_is_large_data_segment): New function.
8770         * output.cc (Output_section::Output_section): Initialize new
8771         fields.
8772         (Output_segment::Output_segment): Likewise.
8773         (Output_segment::add_output_section): Add assertion that large
8774         data sections always go in large data segments.  Force small data
8775         sections to the end of the list of data sections.  Force small BSS
8776         sections to the start of the list of BSS sections.  For large BSS
8777         sections to the end of the list of BSS sections.
8778         * symtab.h (class Symbol): Declare is_common_shndx.
8779         (Symbol::is_defined): Check Symbol::is_common_shndx.
8780         (Symbol::is_common): Likewise.
8781         (class Symbol_table): Define enum Commons_section_type.  Update
8782         declarations.  Add small_commons_ and large_commons_ fields.
8783         * symtab.cc (Symbol::is_common_shndx): New function.
8784         (Symbol_table::Symbol_table): Initialize new fields.
8785         (Symbol_table::add_from_object): Put small and large common
8786         symbols in the right list.
8787         (Symbol_table::sized_finalized_symbol): Check
8788         Symbol::is_common_shndx.
8789         (Symbol_table::sized_write_globals): Likewise.
8790         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8791         common symbol lists.  Don't call do_allocate_commons_list if the
8792         list is empty.
8793         (Symbol_table::do_allocate_commons_list): Remove is_tls
8794         parameter.  Add comons_section_type parameter.  Change all
8795         callers.  Handle small and large common symbols.
8796         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8797         Symbol::is_common_shndx.
8798         * resolve.cc (symbol_to_bits): Likewise.
8799         * target.h (Target::small_common_shndx): New function.
8800         (Target::small_common_section_flags): New function.
8801         (Target::large_common_shndx): New function.
8802         (Target::large_common_section_flags): New function.
8803         (Target::new_output_section): New function.
8804         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8805         small_common_section_flags, and large_common_section_flags
8806         fields.
8807         (Target::do_new_output_section): New virtual function.
8808         * arm.cc (Target_arm::arm_info): Initialize new fields.
8809         * i386.cc (Target_i386::i386_info): Likewise.
8810         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8811         Likewise.
8812         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8813         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8814         (Target_x86_64::do_new_output_section): New function.
8815         * configure.ac: Define conditional MCMODEL_MEDIUM.
8816         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8817         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8818         (large_LDFLAGS): Define.
8819         * testsuite/large.c: New file.
8820         * testsuite/testfile.cc (Target_test::test_target_info):
8821         Initialize new fields.
8822         * configure, testsuite/Makefile.in: Rebuild.
8823
8824 2009-06-05  Doug Kwan  <dougkwan@google.com>
8825
8826         * Makefile.am (CCFILES): Add target.cc.
8827         * Makefile.in: Regenerate.
8828         * i386.cc (class Target_i386): Define new virtual method to
8829         override do_is_local_label_name in parent.
8830         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8831         local symbols if --discard-locals or -X is given.
8832         * options.h (class General_options): Declare new options
8833         '--discard-locals' and '-X' for discarding locals.
8834         * target.h (class Target): Define new methods is_local_label_name.
8835         Declare new virtual method do_is_local_label_name.
8836         * target.cc: New file.
8837         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8838         (check_SCRIPTS): Add discard_locals_test.sh.
8839         (check_DATA): Add discard_local_tests.syms.
8840         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8841         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8842         * testsuite/Makefile.in: Regenerate.
8843         * testsuite/discard_locals_test.c: New file.
8844         * testsuite/discard_locals_test.sh: Same.
8845
8846 2009-06-05  Doug Kwan  <dougkwan@google.com>
8847
8848         * object.cc (Sized_relobj::Sized_relobj): Initialize
8849         discarded_eh_frame_shndx_ to -1U.
8850         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8851         section.
8852         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8853         a discarded .eh_frame section.
8854         (Sized_relobj::do_finalize_local_symbols): Ditto.
8855         * object.h (class Sized_relobj): Declare new member
8856         discarded_eh_frame_shndx_.
8857         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8858         (local_labels_test.o, local_labels_test): New rules.
8859         * testsuite/Makefile.in: Regenerate.
8860
8861 2009-06-04  Doug Kwan  <dougkwan@google.com>
8862
8863         * layout.cc (Layout::section_name_mapping): Add mapping for
8864         special ARM sections.
8865
8866 2009-06-03  Doug Kwan  <dougkwan@google.com>
8867
8868         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8869         (utils::has_overflow): Same.
8870
8871 2009-06-03  Ian Lance Taylor  <iant@google.com>
8872
8873         * layout.cc (Layout::section_name_mapping): New array, replacing
8874         Layout::linkonce_mapping.
8875         (Layout::section_name_mapping_count): New variable, replacing
8876         Layout::linkonce_mapping_count.
8877         (Layout::linkonce_output_name): Remove.
8878         (Layout::output_section_name): Rewrite.
8879         * layout.h (class Layout): Rename Linkonce_mapping to
8880         Section_name_mapping, linkonce_mapping to section_name_mapping,
8881         linkonce_mapping_count to section_name_mapping_count.  Don't
8882         declare linkonce_output_name.
8883
8884 2009-06-03  Doug Kwan  <dougkwan@google.com>
8885
8886         * gold/arm.cc (namespace utils): New.
8887         (Target_arm::reloc_is_non_pic): Define new method.
8888         (class Arm_relocate_functions): New.
8889         (Target_arm::Relocate::relocate): Handle relocation types used by
8890         Android.
8891
8892 2009-06-03  Ian Lance Taylor  <iant@google.com>
8893
8894         * arm.cc (Target_arm::scan::global): Use || instead of |.
8895
8896 2009-06-02  Doug Kwan  <dougkwan@google.com>
8897
8898         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8899         issued_non_pic_error_.
8900         (class Target_arm::Scan): Declare new method check_non_pic.
8901         Define new method symbol_needs_plt_entry.
8902         Declare new data member issued_non_pic_error_.
8903         (class Target_arm::Relocate): Declare new method
8904         should_apply_static_reloc.
8905         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8906         (Target_arm::Scan::check_non_pic): Define new method.
8907         (Target_arm::Scan::local): Handle a small subset of reloc types used
8908         by Android.
8909         (Target_arm::Scan::local): Same.
8910         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8911
8912 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8913
8914         * incremental.cc (Incremental_inputs::report_command_line): Filter
8915         out --incremental-* options.
8916
8917 2009-05-29  Doug Kwan  <dougkwan@google.com>
8918
8919         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8920         template class.
8921         (class Target_arm): Update comment.
8922         (Target_arm::Target_arm): Initialize new data members GOT_,
8923         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8924         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8925         and Target_arm::rel_dyn_section.
8926         Declare new_enum Target_arm::Got_type.
8927         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8928         and DYNBSS_.
8929         Update commments for member do_dynsym_value.
8930         (Target_arm::got_size, Target_arm::plt_section,
8931         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8932         new methods inside class defintion.
8933         (Target_arm::got_section): Define new method.
8934         (Target_arm::rel_dyn_section): Same.
8935         (Output_data_plt_arm): New template class.
8936         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8937         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8938         (Output_data_plt_arm::add_entry): Same.
8939         (Output_data_plt_arm::first_plt_entry): Define new
8940         static data member for PLT instruction template.
8941         (Output_data_plt_arm::plt_entry): Same.
8942         (Output_data_plt_arm::do_write): Define new method.
8943         (Target_arm::make_plt_entry): Same.
8944         (Target_arm::do_finalize_sections): Same.
8945         (Target_arm::do_dynsym_value): Same.
8946
8947 2009-05-28  Doug Kwan  <dougkwan@google.com>
8948
8949         * Makefile.am (TARGETSOURCES): Add arm.cc.
8950         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8951         * Makefile.in: Regenerate.
8952         * arm.cc: New file.
8953         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8954
8955 2009-05-26  Doug Kwan  <dougkwan@google.com>
8956
8957         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8958         (General_options::check_excluded_libs): Strip off directories in
8959         archive name before matching like GNU ld does.
8960         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8961         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8962         (exclude_libs_test_LDFLAGS): Add linker option
8963         -Wl,--exclude-libs,libexclude_libs_test_3
8964         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8965         an explicit archive without using -l.
8966         (alt/libexclude_libs_test_3.a): New make rule.
8967         * testsuite/Makefile.in: Regenerate.
8968         * testsuite/exclude_libs_test.c : Declare lib3_default().
8969         (main): Call it.
8970         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8971         * exclude_libs_test_3.c: New file.
8972
8973 2009-05-26  Nick Clifton  <nickc@redhat.com>
8974
8975         * po/id.po: New Indonesian translation.
8976         * po/gold.pot: Updated template file.
8977
8978 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8979
8980         * testsuite/Makefile.am: Add -ffunction-sections to compile
8981         gc_comdat_test files.  Add -Wl,--gc-sections to build
8982         gc_comdat_test.
8983         * testsuite/Makefile.in: Regenerate.
8984         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8985
8986 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8987
8988         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8989         kept comdat section was garbage collected.
8990         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8991         * testsuite/Makefile.in: Regenerate.
8992         * testsuite/gc_comdat_test.sh: New file.
8993         * testsuite/gc_comdat_test_1.cc: New file.
8994         * testsuite/gc_comdat_test_2.cc: New file.
8995
8996 2009-05-19  Doug Kwan  <dougkwan@google.com>
8997
8998         * archive.cc (Archive::Archive): Move constructor from archive.h
8999         to here.  Initialize no_export_.
9000         (Archive::get_elf_object_for_member): Set no_export flag of object.
9001         * archive.h (Archive::Archive): Move constructor body to
9002         archive.cc.
9003         (Archive::no_export): New method.
9004         (Archive::no_export_): New field.
9005         * object.h (Object::Object): Initialize no_export_ to false.
9006         (Object::no_export, Object::set_no_export): New methods.
9007         (Object::no_export_): New field.
9008         * options.cc (General_options::parse_exclude_libs): New method.
9009         (General_options::check_excluded_libs) Same.
9010         * options.h (exclude_libs): New option.
9011         (General_options::check_excluded_libs): New method declaration.
9012         (General_options::excluded_libs_): New field.
9013         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9014         default or protected visibility if an object has no-export flag set.
9015         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9016         (check_SCRIPTS): Add exclude_libs_test.sh.
9017         (check_DATA): Add exclude_libs_test.syms.
9018         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9019         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9020         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9021         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9022         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9023         libexclude_libs_test_2.a): New rules.
9024         * testsuite/Makefile.in: Regenerate.
9025         * testsuite/exclude_libs_test.c: New file.
9026         * testsuite/exclude_libs_test.sh: Ditto.
9027         * testsuite/exclude_libs_test_1.c: Ditto.
9028         * testsuite/exclude_libs_test_2.c: Ditto.
9029
9030 2009-05-15  Ian Lance Taylor  <iant@google.com>
9031
9032         * configure.ac: Check for declarations for cases where libiberty.h
9033         checks HAVE_DECL_xxx.
9034         * configure, config.in: Rebuild.
9035
9036 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9037
9038         * gold.h (Incremental_argument_list): Remove (invalid) forward
9039         declaration.
9040         * incremental.cc (Incremental_inputs::report_achive): New method.
9041         (Incremental_inputs::report_object): New method.
9042         (Incremental_inputs::report_script): New method.
9043         (Incremental_inputs::finalize_inputs): New method.
9044         (Incremental_inputs::finalize): Call finalize_inputs().
9045         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9046         Create inputs entries.
9047         * incremental.h (Incremental_input_type): New enum.
9048         (Incremental_inputs::Incremental_input): Initialize new fields.
9049         (Incremental_inputs::report_inputs): New method.
9050         (Incremental_inputs::report_achive): New method.
9051         (Incremental_inputs::report_object): New method.
9052         (Incremental_inputs::report_script): New method.
9053         (Incremental_inputs::finalize_inputs): New method.
9054         (Incremental_inputs::Input_info): New struct.
9055         (Incremental_inputs::Input_info_map): New typedef.
9056         (Incremental_inputs::lock_): New field.
9057         (Incremental_inputs::Inputs_): New field.
9058         (Incremental_inputs::Inputs_map): New field.
9059         * main.cc (main): Call Incremental_input::report_inputs.
9060         * options.h (Input_argument_list): Typedef moved from
9061         Input_arguments.
9062         (Input_file_group::Files): Remove, use ::Input_argument_list.
9063         (Input_file_group::Input_argument_list): Remove, use
9064         ::Input_argument_list.
9065         * plugin.cc (Plugin_manager::add_input_file): Add error in
9066         incremental build.
9067         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9068         functions.
9069         * script.cc (read_input_script): Call
9070         Incremental_input::report_script.
9071         * script.h (Script_info): New class.
9072
9073 2009-04-27  Ian Lance Taylor  <iant@google.com>
9074
9075         * x86_64.cc (do_adjust_output_section): Set entsize to
9076         plt_entry_size.
9077
9078 2009-04-23  Elliott Hughes  <enh@google.com>
9079
9080         * output.cc (Output_file::close): After short writes, continue
9081         writing from the correct offset in the buffer being written.
9082
9083 2009-04-23  Chris Demetriou  <cgd@google.com>
9084
9085         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9086         * configure: Regenerate.
9087         * config.in: Regenerate.
9088         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9089         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9090
9091 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9092
9093         * incremental.cc (Incremental_inputs_header_data): Renamed from
9094         Incremental_input_header_data.
9095         (Incremental_inputs_header_data::data_size): New field.
9096         (Incremental_inputs_header_data::put_input_file_count): Renamed
9097         from input_file_count.
9098         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9099         from command_line_offset.
9100         (Incremental_inputs_header_data::put_reserved): Renamed from
9101         put_reserved.
9102         (Incremental_inputs_entry_data): Renamed from
9103         Incremental_input_entry_data.
9104         (Incremental_inputs_entry_data::data_size): New field.
9105         (Incremental_inputs::report_command_line): New method.
9106         (Incremental_inputs::finalize): New method.
9107         (Incremental_inputs::create_incremental_inputs_data): New method.
9108         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9109         * incremental.h: New file.
9110         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9111        (Layout::finalize): Create incremental inputs section in
9112         incremental builds.
9113        (Layout::create_incremental_info_sections): New method.
9114         * layout.h (Layout::incremental_inputs): New method.
9115        (Layout::create_incremental_info_sections): New method.
9116        (Layout::incremental_inputs_): New field.
9117         * main.cc (main): Notify Incremental_input of the command line.
9118
9119 2009-04-01  Ian Lance Taylor  <iant@google.com>
9120             Mikolaj Zalewski  <mikolajz@google.com>
9121
9122         * gold.h (reserve_unordered_map): Define, three versions, one for
9123         each version of Unordered_map.
9124         * layout.cc (Layout::Layout): Remove options parameter.  Add
9125         number_of_input_files parameter.  Don't initialize options_.
9126         Initialize number_of_input_files_ and resized_signatures_.  Move
9127         sections_are_attached_.
9128         (Layout::layout_group): Reserve space for group_signatures_.
9129         (Layout::find_or_add_kept_section): Change name parameter to be a
9130         reference.  Resize signatures_ map when it gets large enough.
9131         (Layout::layout_eh_frame): Use parameters->options() instead of
9132         this->options_.
9133         (Layout::make_output_section): Likewise.
9134         (Layout::attach_allocated_section_to_segment): Likewise.
9135         (Layout::finalize, Layout::create_executable_stack): Likewise.
9136         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9137         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9138         * layout.h (class Layout): Update declarations.  Remove options_
9139         field.  Add number_of_input_files_ and resized_signatures_
9140         fields.  Move sections_are_attached_ field.
9141         * main.cc (main): Pass number of input files to Layout
9142         constructor.  Don't pass options.
9143
9144 2009-03-30  Ian Lance Taylor  <iant@google.com>
9145
9146         * ffsll.c (ffsll): Correct implementation.
9147
9148 2009-03-27  Ian Lance Taylor  <iant@google.com>
9149
9150         * ffsll.c: New file.
9151         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9152         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9153         * ftruncate.c (ftruncate): Declare before definition.
9154         * mremap.c (mremap): Likewise.
9155         * pread.c (pread): Likewise.
9156         * configure, Makefile.in, config.in: Rebuild.
9157
9158         * mremap.c: New file.
9159         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9160         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9161         (mremap): Declare if HAVE_MREMAP is not defined.
9162         * configure, Makefile.in, config.in: Rebuild.
9163
9164 2009-03-27  Cary Coutant  <ccoutant@google.com>
9165
9166         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9167         position independent.
9168         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9169         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9170
9171 2009-03-24  Cary Coutant  <ccoutant@google.com>
9172
9173         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9174         an executable.
9175         (needs_dynamic_reloc): Likewise.
9176
9177 2009-03-24  Ian Lance Taylor  <iant@google.com>
9178
9179         * yyscript.y (file_cmd): Recognize EXTERN.
9180         (extern_name_list, extern_name_list_body): New nonterminals.
9181         * script.cc (script_add_extern): Define.
9182         * script-c.h (script_add_extern): Declare.
9183
9184 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9185
9186         * object.cc (is_elf_object): Define.
9187         * object.h (is_elf_object): Declare.
9188         * archive.cc (Archive::get_elf_object_for_member): Call
9189         is_elf_object.
9190         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9191
9192 2009-03-24  Elliott Hughes  <enh@google.com>
9193
9194         * output.cc (Output_file::map_anonymous): Define.
9195         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9196         try an anonymous one.  Report the size if the mmap fails.
9197         * output.h (class Output_file): Declare map_anonymous.
9198
9199 2009-03-24  Ian Lance Taylor  <iant@google.com>
9200
9201         * target-select.cc (instantiate_target): Don't acquire the lock if
9202         the instantiated_target_ field has already been set.
9203
9204 2009-03-23  Ian Lance Taylor  <iant@google.com>
9205
9206         * gold-threads.h (class Initialize_lock): Define.
9207         * gold-threads.cc (class Initialize_lock_once): Define.
9208         (initialize_lock_control): New static variable.
9209         (initialize_lock_pointer): New static variable.
9210         (initialize_lock_once): New static function.
9211         (Initialize_lock::Initialize_lock): Define.
9212         (Initialize_lock::initialize): Define.
9213         * target-select.h: Include "gold-threads.h".
9214         (class Target_selector): Add lock_ and initialize_lock_ fields.
9215         Don't define instantiate_target, just declare it.
9216         * target-select.cc (Target_selector::Target_selector): Initialize
9217         new fields.
9218         (Target_selector::instantiate_target): Define.
9219         * descriptors.h: Include "gold-threads.h".
9220         (class Descriptors): Add initialize_lock_ field.
9221         * descriptors.cc (Descriptors::Descriptors): Initialize new
9222         field.
9223         (Descriptors::open): Use initialize_lock_ field
9224         * errors.h (class Errors): Add initialize_lock_ field.
9225         * errors.cc (Errors::Errors): Initialize new field.
9226         (Errors::initialize_lock): Use initialize_lock_ field.
9227         * powerpc.cc (class Target_selector_powerpc): Remove
9228         instantiated_target_ field.  In do_recognize call
9229         instantiate_target rather than do_instantiate_target.  In
9230         do_instantiate_target just allocate a new target.
9231         * sparc.cc (class Target_selector_sparc): Likewise.
9232
9233         * freebsd.h: New file.
9234         * i386.cc: Include "freebsd.h".
9235         (Target_i386): Derive from Target_freebsd rather than
9236         Sized_target.
9237         (Target_selector_i386): Derive from Target_selector_freebsd rather
9238         than Target_selector.
9239         * x86_64.cc: Include "freebsd.h".
9240         (Target_x86_64): Derive from Target_freebsd rather than
9241         Sized_target.
9242         (Target_selector_x86_64): Derive from Target_selector_freebsd
9243         rather than Target_selector.
9244         * target.h (class Target): Add adjust_elf_header and
9245         do_adjust_elf_header.
9246         * output.cc (Output_file_header:: do_sized_write): Call target
9247         adjust_elf_header routine.
9248         * configure.tgt: Set targ_osabi.
9249         * configure.ac: Define GOLD_DEFAULT_OSABI.
9250         * parameters.cc (Parameters::default_target): Pass
9251         GOLD_DEFAULT_OSABI to select_target.
9252         * target-select.h (class Target_selector): Make instantiate_target
9253         protected rather than private.
9254         * Makefile.am (HFILES): Add freebsd.h.
9255         * configure, Makefile.in, config.in: Rebuild.
9256
9257         * merge.cc (do_add_input_section): Correct pend value.  Change
9258         message about last entry not being null terminated from error to
9259         warning.
9260
9261 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9262
9263         * incremental.cc: New file.
9264         * Makefile.am (CCFILES): Add incremental.cc.
9265         * Makefile.in: Rebuild.
9266
9267 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9268
9269         * layout.cc (Layout::output_section_name): Preserve names
9270         of '.note.' sections.
9271
9272 2009-03-19  Ian Lance Taylor  <iant@google.com>
9273
9274         * descriptors.cc (Descriptors::open): Check that the options are
9275         valid before using them.
9276
9277 2009-03-18  Ian Lance Taylor  <iant@google.com>
9278
9279         * script-sections.h: Include <list>.
9280         (class Script_sections): Change Sections_elements from std::vector
9281         to std::list.  Typedef public Elements_iterator.  Add
9282         orphan_section_placement_, data_segment_align_start_, and
9283         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9284         field.
9285         * script-sections.cc (class Orphan_section_placement): New class.
9286         (class Sections_element): Add virtual functions is_relro and
9287         orphan_section_init.  Remove virtual function place_orphan_here.
9288         (class Output_section_definition): Add is_relro and
9289         orphan_section_init.  Remove place_orphan_here.
9290         (class Orphan_output_section): Likewise.
9291         (Script_sections::Script_sections): Update for field changes.
9292         (Script_sections::data_segment_align): Set saw_data_segment_align_
9293         and data_segment_align_start_, not data_segment_align_index.
9294         (Script_sections::data_segment_relro_end): Check
9295         saw_data_segment_align_.  Use data_segment_align_start_ rather
9296         than data_segment_align_index_.
9297         (Script_sections::place_orphan): Rewrite to use
9298         Orphan_section_placement.
9299
9300 2009-03-17  Ian Lance Taylor  <iant@google.com>
9301
9302         * archive.cc (Archive::add_symbols): Check for a version attached
9303         to the symbol name in the archive map.
9304         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9305         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9306         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9307         (ver_test_11.a): New target.
9308         * testsuite/Makefile.in: Rebuild.
9309
9310         * configure.ac: Check for chsize and posix_fallocate.  Replace
9311         ftruncate.
9312         * ftruncate.c: New file, from gnulib.
9313         * output.cc (posix_fallocate): Define dummy version if not
9314         HAVE_POSIX_FALLOCATE.
9315         (Output_file::map): Call posix_fallocate rather than lseek and
9316         write.
9317         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9318         * configure, Makefile.in, config.in: Rebuild.
9319
9320 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9321
9322         * layout.h (Layout::create_note): Add section_name parameter.
9323         * layout.cc (Layout::create_note): Likewise.
9324         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9325
9326 2009-03-17  Ian Lance Taylor  <iant@google.com>
9327
9328         * descriptors.cc: Include "options.h".
9329         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9330         (Descriptors::open): Always use O_CLOEXEC when opening a new
9331         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9332         then set FD_CLOEXEC.
9333
9334         * sparc.cc (class Target_sparc): Add has_got_section.
9335         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9336         make sure we have a GOT section.
9337
9338         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9339         (Target_sparc::Scan::local): Likewise.
9340         (Target_sparc::Scan::global): Likewise.
9341         (Target_sparc::Relocate::relocate): Likewise.
9342         (Target_sparc::Relocate::relocate_tls): Likewise.
9343
9344         * symtab.cc (Symbol_table::define_default_version): New function,
9345         broken out of add_from_object.
9346         (Symbol_table::add_from_object): Call define_default_version.
9347         (Symbol_table::define_special_symbol): Add resolve_oldsym
9348         parameter.  Change all callers.  If the version for a symbol comes
9349         from a version script, resolve it with the symbol with the same
9350         name with no version.  Also add the symbol without a version if
9351         appropriate.
9352         (do_define_in_output_data): If resolving with oldsym, don't delete
9353         sym.
9354         (do_define_in_output_segment): Likewise.
9355         (do_define_as_constant): Likewise.
9356         * symtab.h (class Symbol_table): Update declarations.
9357
9358 2009-03-13  Ian Lance Taylor  <iant@google.com>
9359
9360         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9361         (Read_symbols::requeue): New function.
9362         (Read_symbols::do_read_symbols): If make_elf_object fails because
9363         the target type is not configured, and the file was searched for,
9364         issue a warning and retry with the next directory.
9365         (Add_symbols::run): If the file has an incompatible format, and
9366         it was searched for, requeue the Read_symbols task.  On error,
9367         release the object.
9368         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9369         dirindex parameter to constructor.  Change all callers.  Declare
9370         incompatible_warning and requeue.
9371         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9372         input_argument_ and input_group_ fields.  Add them to
9373         constructor.  Change all callers.
9374         (class Read_script): Add dirindex_ field.  Add it to constructor.
9375         Change all callers.
9376         * archive.cc (Archive::setup): Remove input_objects parameter.
9377         Change all callers.
9378         (Archive::get_file_and_offset): Likewise.
9379         (Archive::read_all_symbols): Likewise.
9380         (Archive::read_symbols): Likewise.
9381         (Archive::get_elf_object_for_member): Remove input_objects
9382         parameter.  Add punconfigured parameter.  Change all callers.
9383         (Archive::add_symbols): Change return type to bool.  Check return
9384         value of include_member.
9385         (Archive::include_all_members): Likewise.
9386         (Archive::include_member): Change return type to bool.  Return
9387         false if first included object has incompatible target.  Set
9388         included_member_ field.
9389         (Add_archive_symbols::run): If add_symbols returns false, requeue
9390         Read_symbols task.
9391         * archive.h (class Archive): Add included_member_ field.
9392         Initialize it in constructor.  Add input_file and searched_for
9393         methods.  Update declarations.
9394         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9395         input_argument_ fields.  Add them to constructor.  Change all
9396         callers.
9397         * script.cc: Include "target-select.h".
9398         (class Parser_closure): Add skip_on_incompatible_target_ and
9399         found_incompatible_target_ fields.  Add
9400         skip_on_incompatible_target parameter to constructor.  Change all
9401         callers.  Add methods skip_on_incompatible_target,
9402         clear_skip_on_incompatible_target, found_incompatible_target, and
9403         set_found_incompatible_target.
9404         (read_input_script): Add dirindex parameter.  Change all callers.
9405         If parser finds an incompatible target, requeue Read_symbols
9406         task.
9407         (script_set_symbol): Clear skip_on_incompatible_target in
9408         closure.
9409         (script_add_assertion, script_parse_option): Likewise.
9410         (script_start_sections, script_add_phdr): Likewise.
9411         (script_check_output_format): New function.
9412         * script.h (read_input_script): Update declaration.
9413         * script-c.h (script_check_output_format): Declare.
9414         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9415         (ignore_cmd): Remove OUTPUT_FORMAT.
9416         * fileread.cc (Input_file::Input_file): Add explicit this.
9417         (Input_file::will_search_for): New function.
9418         (Input_file::open): Add pindex parameter.  Change all callers.
9419         * fileread.h (class Input_file): Add input_file_argument method.
9420         Declare will_search_for.  Update declarations.
9421         * object.cc (make_elf_object): Add punconfigured parameter.
9422         Change all callers.
9423         * object.h (class Object): Make input_file public.  Add
9424         searched_for method.
9425         (make_elf_object): Update declaration.
9426         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9427         restart search.
9428         * dirsearch.h (class Dirsearch): Update declaration.
9429         * options.h (class General_options): Add --warn-search-mismatch.
9430         * parameters.cc (Parameters::is_compatible_target): New function.
9431         * parameters.h (class Parameters): Declare is_compatible_target.
9432         * workqueue.cc (Workqueue::add_blocker): New function.
9433         * workqueue.h (class Workqueue): Declare add_blocker.
9434
9435         * fileread.cc (Input_file::open): Remove options parameter.
9436         Change all callers.
9437         (Input_file::open_binary): Likewise.
9438         * script.cc (read_input_script): Likewise.
9439         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9440         options parameter from constructor.  Change all callers.
9441         (class Read_script): Likewise.
9442         * fileread.h (class Input_file): Update declarations.
9443         * script.h (read_input_script): Update declaration.
9444
9445 2009-03-10  Nick Clifton  <nickc@redhat.com>
9446
9447         * po/es.po: New Spanish translation.
9448
9449 2009-03-06  Cary Coutant  <ccoutant@google.com>
9450
9451         * options.cc (parse_short_option): Keep dash_z from registering itself.
9452
9453 2009-03-03  Ian Lance Taylor  <iant@google.com>
9454
9455         PR 9918
9456         * target-reloc.h (relocate_section): Pass output_section to
9457         relocate.
9458         * i386.cc (Target_i386::should_apply_static_reloc): Add
9459         output_section parameter.  Change all callers.
9460         (Target_i386::Relocate::relocate): Add output_section parameter.
9461         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9462         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9463         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9464         * testsuite/two_file_shared.sh: New script.
9465         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9466         (check_DATA): Add two_file_shared.dbg.
9467         (two_file_shared.dbg): New target.
9468         * testsuite/Makefile.in: Rebuild.
9469
9470 2009-03-01  Ian Lance Taylor  <iant@google.com>
9471
9472         * configure.ac: Check for byteswap.h.
9473         * configure: Rebuild.
9474         * config.in: Rebuild.
9475
9476 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9477
9478         * layout.cc (Layout::find_or_add_kept_section): New function.
9479         (Layout::add_comdat): Removed.
9480         * layout.h (struct Kept_section): Move out of class Layout.
9481         Remove trailing underscores from field names.  Add group_sections
9482         field.  Rename group_ field to is_group.  Change all uses.
9483         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9484         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9485         comdat_groups_ field.
9486         (Sized_relobj::include_section_group): Use
9487         find_or_add_kept_section and Kept_section::group_sections.
9488         (Sized_relobj::include_linkonce_section): Likewise.
9489         * object.cc (class Sized_relobj): Don't define Comdat_group or
9490         Comdat_group_table.  Remove find_comdat_group and
9491         add_comdat_group.  Remove comdat_groups_ field.
9492         * plugin.cc (include_comdat_group): Use
9493         Layout::find_or_add_kept_section.
9494
9495 2009-02-28  Ian Lance Taylor  <iant@google.com>
9496
9497         * README: --gc-sections and map files are now supported.  Document
9498         some build requirements.
9499
9500         PR 6992
9501         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9502         relocatable link set the value of the section symbol to zero.
9503         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9504         relocatable link don't include the section address in the local
9505         symbol value.
9506
9507 2009-02-27  Ian Lance Taylor  <iant@google.com>
9508
9509         PR 6811
9510         * options.h (class Search_directory): Add is_system_directory.
9511         (class General_options): Declare is_in_system_directory.
9512         * options.cc (get_relative_sysroot): Make static.
9513         (get_default_sysroot): Make static.
9514         (General_optoins::is_in_system_directory): New function.
9515         * fileread.cc (Input_file::is_in_system_directory): New function.
9516         * fileread.h (class Input_file): Declare is_in_system_directory.
9517         * object.h (class Object): Add is_in_system_directory.
9518         (class Input_objects): Remove system_library_directory_ field.
9519         * object.cc (Input_objects::add_object): Don't set
9520         system_library_directory_.
9521         (input_objects::found_in_system_library_directory): Remove.
9522         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9523         parameter.  Change all callers.
9524         (Symbol_table::sized_write_globals): Likewise.
9525         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9526         Call Object::is_in_system_directory.
9527         * symtab.h (class Symbol_table): Update declarations.
9528
9529         PR 5990
9530         * descriptors.h (Open_descriptor): Add is_on_stack field.
9531         * descriptors.cc (Descriptors::open): If the descriptor is on the
9532         top of the stack, remove it.  Initialize is_on_stack field.
9533         (Descriptors::release): Only add pod to stack if it is not on the
9534         stack already.
9535         (Descriptors::close_some_descriptor): Clear stack_next and
9536         is_on_stack fields.
9537
9538         PR 7091
9539         * output.cc (Output_section::find_starting_output_address): Rename
9540         from starting_output_address; add PADDR parameter; change return
9541         type.
9542         * output.h (class Output_section): Declare
9543         find_starting_output_address instead of starting_output_address.
9544         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9545         section symbol for which we can't find a merge section.
9546
9547         PR 9836
9548         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9549         hidden or internal, force the symbol to be local.
9550         * resolve.cc (Symbol::override_visibility): Define.
9551         (Symbol::override_base): Use override_visibility.
9552         (Symbol_table::resolve): Likewise.
9553         (Symbol::override_base_with_special): Likewise.
9554         (Symbol_table::override_with_special): If the visibility is hidden
9555         or internal, force the symbol to be local.
9556         * symtab.h (class Symbol): Add set_visibility and
9557         override_visibility.
9558         * testsuite/ver_test_1.sh: New file.
9559         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9560         (check_DATA): Add ver_test_1.syms.
9561         (ver_test_1.syms): New target.
9562         * testsuite/Makefile.in: Rebuild.
9563
9564 2009-02-25  Cary Coutant  <ccoutant@google.com>
9565
9566         * layout.cc (Layout::choose_output_section): Don't rename sections
9567         when using a linker script that has a SECTIONS clause.
9568         * Makefile.in: Regenerate.
9569
9570         * testsuite/Makefile.am (script_test_5.sh): New test case.
9571         * testsuite/Makefile.in: Regenerate.
9572         * testsuite/script_test_5.cc: New file.
9573         * testsuite/script_test_5.sh: New file.
9574         * testsuite/script_test_5.t: New file.
9575
9576 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9577
9578         * archive.cc (Archive::include_member): Update calls to add_symbols.
9579         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9580         the Layout argument.
9581         * dynobj.h (do_add_symbols): Add the Layout argument.
9582         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9583         Layout argument.
9584         * object.h (Object::add_symbols): Add the Layout argument.
9585         (Object::do_add_symbols): Add the Layout argument.
9586         (Sized_relobj::do_add_symbols): Add the Layout argument.
9587         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9588         Unify the two versions.
9589         (Add_plugin_symbols): Remove.
9590         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9591         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9592         (Add_plugin_symbols): Remove.
9593         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9594         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9595         (Add_symbols::run): Make it work with Pulginobj.
9596
9597 2009-02-06  Ian Lance Taylor  <iant@google.com>
9598
9599         * object.cc (Sized_relobj::do_layout): Make info message start
9600         with lower case letter.
9601
9602 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9603
9604         * binary.cc: Fix file comment.
9605
9606         * options.h (enum Incremental_disposition): Define.
9607         (class General_options): Add new options: --incremental,
9608         --incremental_changed, --incremental_unchanged,
9609         --incremental_unknown.  Add incremental_disposition_ and
9610         implicit_incremental_ fields.
9611         (General_options::incremental_disposition): New function.
9612         (class Position_dependent_options): Add incremental_disposition
9613         option.
9614         (Position_dependent_options::copy_from_options): Set incremental
9615         dispositions.
9616         * options.cc (General_options::parse_incremental_changed): New
9617         function.
9618         (General_options::parse_incremental_unchanged): New function.
9619         (General_options::parse_incremental_unknown): New function.
9620         (General_options::General_options): Initialize new fields
9621         incremental_disposition_ and implicit_incremental_.
9622         (General_options::finalize): Check for uasge of --incremental-*
9623         without --incremental.
9624
9625 2009-02-06  Chris Demetriou  <cgd@google.com>
9626
9627         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9628         pointer and to report location as the file name associated with
9629         the symbol.
9630         (gold_undefined_symbol_at_location): New function to replace the
9631         old gold_undefined_symbol functionality.
9632         * target-reloc.h (relocate_section): Update to use
9633         gold_undefined_symbol_at_location.
9634         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9635         Call gold_undefined_symbol function rather than gold_error.
9636         * errors.h (Errors::undefined_symbol): Take location as a
9637         string, rather than calculating it from a relocation.
9638         * errors.cc (Errors::fatal): Print "fatal error:" before the
9639         formatted message.
9640         (Errors::error, Errors::error_at_location): Print "error: "
9641         before the formatted message.
9642         (Errors::undefined_symbol): Take location as a string, rather
9643         than calculating it from a relocation.
9644         (gold_undefined_symbol_at_location): New function akin to
9645         old gold_undefined_symbol, calculates location from relocation.
9646         (gold_undefined_symbol): Change to take only a Symbol pointer
9647         and to report location as the file name associated with the symbol.
9648         * testsuite/debug_msg.sh: Update for changed error messages.
9649         * testsuite/undef_symbol.sh: Likewise.
9650
9651 2009-02-04  Duncan Sands  <baldrick@free.fr>
9652
9653         PR 9812
9654         * reduced_debug_output.h
9655         (Output_reduced_debug_abbrev_section::failed): Use format for
9656         gold_warning.
9657         (Output_reduced_debug_info_section::faild): Likewise.
9658
9659 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9660
9661         * script.cc (Lazy_demangler): New class.
9662         (Version_script_info::get_symbol_version_helper): Demangle a
9663         symbol only once.
9664
9665 2009-01-29  Cary Coutant  <ccoutant@google.com>
9666
9667         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9668         to __tls_get_addr.
9669         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9670
9671 2009-01-28  Ian Lance Taylor  <iant@google.com>
9672
9673         * version.cc (version_string): Bump to 1.9.
9674
9675         * gold.h: Include <cstring> and <stdint.h>.
9676         * version.cc: Include <cstdio>.
9677         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9678         warning.
9679         * reduced_debug_output.cc (insert_into_vector): Rename from
9680         Insert_into_vector; change all callers.  Use Swap_unaligned to
9681         avoid aliasing issue; remove union since it is unnecessary.
9682
9683 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9684
9685         * Makefile.am (CCFILES): Add gc.cc.
9686         (HFILES): Add gc.h.
9687         * Makefile.in: Regenerate.
9688         * gold.cc (Gc_runner): New class.
9689         (queue_initial_tasks): Call garbage collection related tasks
9690         when corresponding options are invoked.
9691         (queue_middle_gc_tasks): New function.
9692         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9693         processed early before laying out sections during garbage collection.
9694         * gold.h (queue_middle_gc_tasks): New function.
9695         (is_prefix_of): Move from "layout.cc".
9696         * i386.cc (Target_i386::gc_process_relocs): New function.
9697         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9698         * main.cc (main): Create object of class "Garbage_collection".
9699         * object.cc (Relobj::copy_symbols_data): New function.
9700         (Relobj::is_section_name_included): New function.
9701         (Sized_relobj::do_layout): Allow this function to be called twice
9702         during garbage collection and defer layout of section during the
9703         first call.
9704         * object.h (Relobj::get_symbols_data): New function.
9705         (Relobj::is_section_name_included): New function.
9706         (Relobj::copy_symbols_data): New function.
9707         (Relobj::set_symbols_data): New function.
9708         (Relobj::get_relocs_data): New function.
9709         (Relobj::set_relocs_data): New function.
9710         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9711         (Relobj::gc_process_relocs): New function.
9712         (Relobj::do_gc_process_relocs): New pure virtual function.
9713         (Relobj::sd_): New data member.
9714         (Sized_relobj::is_output_section_offset_invalid): New function.
9715         (Sized_relobj::do_gc_process_relocs): New function.
9716         * options.h (General_options::gc_sections): Modify to not be a no-op.
9717         (General_options::print_gc_sections): New option.
9718         * plugin.cc (Plugin_finish::run): Remove function call to
9719         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9720         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9721         * reloc.cc (Read_relocs::run): Add task to process relocs and
9722         determine unreferenced sections when doing garbage collection.
9723         (Gc_process_relocs): New class.
9724         (Sized_relobj::do_gc_process_relocs): New function.
9725         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9726         sections that are garbage collected.
9727         * reloc.h (Gc_process_relocs): New class.
9728         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9729         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9730         symbols whose corresponding sections are garbage collected.
9731         (Symbol_table::Symbol_table): Add new parameter for the garbage
9732         collection object.
9733         (Symbol_table::gc_mark_undef_symbols): New function.
9734         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9735         (Symbol_table::gc_mark_dyn_syms): New function.
9736         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9737         as garbage.
9738         (Symbol_table::add_from_object): Likewise.
9739         (Symbol_table::add_from_relobj): When building shared objects, do not
9740         treat externally visible symbols as garbage.
9741         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9742         table information for static and relocatable links.
9743         * symtab.h (Symbol_table::set_gc): New function.
9744         (Symbol_table::gc): New function.
9745         (Symbol_table::gc_mark_undef_symbols): New function.
9746         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9747         (Symbol_table::gc_mark_dyn_syms): New function.
9748         (Symbol_table::gc_): New data member.
9749         * target.h (Sized_target::gc_process_relocs): New pure virtual
9750         function.
9751         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9752         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9753
9754 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9755
9756         * options.h (General_options::gc_sections): Define as a no-op for now.
9757         (General_options::no_keep_memory): Ditto.
9758         (General_options::Bshareable): Define.
9759         * options.cc (General_options::finalize): Honor -Bshareable.
9760
9761 2009-01-20  Andreas Schwab  <schwab@suse.de>
9762
9763         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9764         read the value in the contents, since we don't use it.  Use the
9765         template endianness when writing.
9766         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9767
9768 2009-01-19  Andreas Schwab  <schwab@suse.de>
9769
9770         * configure.tgt (powerpc64-*): Fix targ_obj.
9771
9772 2009-01-15  Ian Lance Taylor  <iant@google.com>
9773
9774         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9775         local symbols when stripping all symbols.
9776
9777 2009-01-14  Cary Coutant  <ccoutant@google.com>
9778
9779         * output.cc (Output_reloc): Add explicit instantiations.
9780
9781 2009-01-14  Cary Coutant  <ccoutant@google.com>
9782
9783         * archive.cc (Archive::get_elf_object_for_member): Remove call
9784         to File_read::claim_for_plugin.
9785         * descriptors.cc (Descriptors::open): Remove reference to
9786         is_claimed.
9787         (Descriptors::claim_for_plugin): Remove.
9788         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9789         (Descriptors::is_claimed): Remove.
9790         (claim_descriptor_for_plugin): Remove.
9791         * fileread.cc (File_read::claim_for_plugin): Remove.
9792         * fileread.h (File_read::claim_for_plugin): Remove.
9793         (File_read::descriptor): Reopen descriptor if necessary.
9794         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9795         (Plugin_manager::all_symbols_read): Add task parameter. Change
9796         all callers.
9797         (Plugin_manager::get_input_file): New function.
9798         (Plugin_manager::release_input_file): New function.
9799         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9800         corresponding data member.
9801         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9802         and pass to base constructor. Change all callers.
9803         (get_input_file, release_input_file): New functions.
9804         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9805         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9806         (Plugin_manager::all_symbols_read): Add task parameter.
9807         (Plugin_manager::get_input_file): New function.
9808         (Plugin_manager::release_input_file): New function.
9809         (Plugin_manager::task_): New data member.
9810         (Pluginobj::Pluginobj): Add filesize parameter.
9811         (Pluginobj::filename): New function.
9812         (Pluginobj::descriptor): New function.
9813         (Pluginobj::filesize): New function.
9814         (Pluginobj::filesize_): New data member.
9815         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9816         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9817         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9818
9819         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9820         with archive libraries.
9821         * testsuite/Makefile.in: Regenerate.
9822         * testsuite/plugin_test.c (struct sym_info): New type.
9823         (get_input_file, release_input_file): New static variables.
9824         (onload): Capture new transfer vector entries.
9825         (claim_file_hook): Stop reading at end of file according to filesize.
9826         Factor out parsing of readelf output into separate function.
9827         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9828         APIs and get the source file name from the symbol table.  Convert
9829         source file name to corresponding object file name.  Print info
9830         message when adding new input files.
9831         (parse_readelf_line): New function.
9832         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9833         * testsuite/plugin_test_2.sh: Likewise.
9834         * testsuite/plugin_test_3.sh: Likewise.
9835         * testsuite/plugin_test_4.sh: New test case.
9836
9837 2009-01-07  Ian Lance Taylor  <iant@google.com>
9838
9839         * version.cc (version_string): Bump to 1.8.
9840
9841 2008-12-23  Cary Coutant  <ccoutant@google.com>
9842
9843         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9844         * plugin.cc (Plugin_manager::finish): Rename as
9845         layout_deferred_objects.  Move cleanup to separate function.
9846         (Plugin_manager::cleanup): New function.
9847         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9848         separately.
9849         * plugin.h (Plugin_manager::finish): Rename as
9850         layout_deferred_objects.
9851         (Plugin_manager::cleanup): New function.
9852         (Plugin_manager::cleanup_done): New field.
9853
9854 2008-12-23  Cary Coutant  <ccoutant@google.com>
9855
9856         * plugin.cc (is_visible_from_outside): New function.
9857         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9858         so we don't return "IR only" status for exported symbols or -r links.
9859
9860         * testsuite/Makefile.am (plugin_test_3): New test case.
9861         * testsuite/Makefile.in: Regenerate.
9862         * testsuite/plugin_test_3.sh: New file.
9863
9864 2008-12-22  Cary Coutant  <ccoutant@google.com>
9865
9866         * object.cc (Sized_relobj::layout_section): New function.
9867         (Sized_relobj::do_layout): Defer layout of input sections until after
9868         plugin has provided replacement files.
9869         (Sized_relobj::do_layout_deferred_sections): New function.
9870         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9871         (Relobj::layout_deferred_sections): New function.
9872         (Relobj::do_layout_deferred_sections): New function.
9873         (Sized_relobj::do_layout_deferred_sections): New function.
9874         (Sized_relobj::layout_section): New function.
9875         (Sized_relobj::Deferred_layout): New structure.
9876         (Sized_relobj::deferred_layout_): New field.
9877         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9878         Change all callers.  Layout deferred sections.
9879         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9880         references.
9881         (Plugin_hook::run): Move code from do_plugin_hook inline.
9882         (Plugin_hook::do_plugin_hook): Remove.
9883         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9884         (Plugin_manager::finish): Renamed, was cleanup.
9885         (Plugin_manager::should_defer_layout): New function.
9886         (Plugin_manager::add_deferred_layout_object): New function.
9887         (Plugin_manager::Deferred_layout_list): New type.
9888         (Plugin_manager::deferred_layout_objects_): New field.
9889         (Plugin_hook::do_plugin_hook): Remove.
9890
9891 2008-12-17  Ian Lance Taylor  <iant@google.com>
9892
9893         * options.h (class General_options): Add --no case for
9894         --export-dynamic.
9895
9896 2008-12-16  Cary Coutant  <ccoutant@google.com>
9897
9898         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9899         vector.
9900         (Plugin_manager::claim_file): Create plugin object even if
9901         plugin did not call the add_symbols callback.
9902         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9903         asking for more symbols than were added.
9904         * testsuite/Makefile.am (plugin_test_1): Add test case with
9905         no global symbols.
9906         (empty.syms): New target.
9907         * testsuite/Makefile.in: Regenerate.
9908         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9909         message. Don't call add_symbols if no globals.
9910         (all_symbols_read_hook): Don't provide replacement for empty
9911         claimed file.
9912
9913 2008-12-12  Ian Lance Taylor  <iant@google.com>
9914
9915         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9916         r_type == 0 for a local symbol with r_sym == 0.
9917         (scan_relocatable_relocs): Pass r_sym to
9918         local_non_section_strategy.
9919         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9920         r_sym parameter.
9921
9922         * configure.ac: Update test for TLS descriptors: they are
9923         supported as of glibc 2.9.
9924         * configure: Rebuild.
9925
9926 2008-12-11  Ian Lance Taylor  <iant@google.com>
9927
9928         PR 7091
9929         * target-reloc.h (Default_scan_relocatable_relocs): For each
9930         function, map r_type == 0 to RELOC_DISCARD.
9931
9932 2008-12-10  Cary Coutant  <ccoutant@google.com>
9933
9934         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9935         object to override a kept COMDAT group from a plugin object.
9936
9937 2008-12-09  Ian Lance Taylor  <iant@google.com>
9938
9939         PR 7088
9940         * yyscript.y (file_cmd): Handle INPUT.
9941
9942         * testsuite/initpri1.c: Change all declarations to be full
9943         prototypes by adding void, to avoid compiler warnings.
9944
9945 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9946
9947         * options.cc (General_options::parse_plugin_opt): New.
9948         (General_options::add_plugin): The argument now is just the filename.
9949         (General_options::add_plugin_option): New.
9950         * options.h (plugin_opt): New.
9951         (add_plugin): Change argument name.
9952         (add_plugin_option): New.
9953         * plugin.cc (Plugin::load): Don't parse the plugin option.
9954         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9955         (Plugin::add_option): New.
9956         (Plugin::args_): Change type.
9957         (Plugin::filename_): New.
9958         (Plugin_manager::add_plugin_option): New.
9959         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9960         * testsuite/Makefile.in: Regenerate.
9961
9962 2008-12-05  Cary Coutant  <ccoutant@google.com>
9963
9964         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9965         Handle --strip-lto-sections option.
9966         * options.h (strip_lto_sections): New option.
9967
9968 2008-12-01  Cary Coutant  <ccoutant@google.com>
9969
9970         * plugin.cc (ld_plugin_message): Change format parameter to const.
9971         Fix mismatch between new[] and delete.
9972
9973 2008-11-14  Cary Coutant  <ccoutant@google.com>
9974
9975         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9976         instead of -1U.
9977
9978 2008-11-05  Craig Silverstein  <csilvers@google.com>
9979
9980         * options.cc (General_options::parse_dynamic_list): New function.
9981         * options.h (General_options): New flags dynamic_list,
9982         dynamic_list_data, dynamic_list_cpp_new, and
9983         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9984         (General_options::in_dynamic_list): New function.
9985         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9986         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9987         (Lex::can_continue_name): Likewise.
9988         (yylex): Likewise.
9989         (read_script_file): New parameter script_options.
9990         (read_dynamic_list): New function.
9991         (Script_options::define_dynamic_list): New function.
9992         (dynamic_list_keyword_parsecodes): New variable.
9993         (dynamic_list_keywords): New variable.
9994         * script.h (Script_options::define_dynamic_list): New function
9995         prototype.
9996         (read_dynamic_list): New function prototype.
9997         * symtab.cc (strprefix): New macro.
9998         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9999         dynamic_list_data, dynamic_list_cpp_new, and
10000         dynamic_list_cpp_typeinfo.
10001         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10002         (dynamic_list_expr): New rule.
10003         (dynamic_list_nodes): Likewise.
10004         (dynamic_list_node): Likewise.
10005         * testsuite/Makefile.am (dynamic_list): New test.
10006         * testsuite/Makefile.in: Regenerated.
10007         * testsuite/dynamic_list.t: New file.
10008         * testsuite/dynamic_list.sh: New file.
10009
10010 2008-11-05  Craig Silverstein  <csilvers@google.com>
10011
10012         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10013         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10014         (t11_last): Likewise.
10015         * testsuite/ver_test_6.c (main): Likewise.
10016
10017 2008-10-07  Cary Coutant  <ccoutant@google.com>
10018
10019         * options.c (General_options::finalize): Add check for -static and
10020         -shared.
10021         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10022         is not empty.
10023
10024 2008-10-02  Cary Coutant  <ccoutant@google.com>
10025
10026         * plugin.cc (make_sized_plugin_object): Fix conditional
10027         compilation to work when not all targets are enabled.
10028
10029 2008-09-29  Cary Coutant  <ccoutant@google.com>
10030
10031         * archive.cc (Archive::get_file_and_offset): Use filename instead
10032         of name to get library path.
10033         (Archive::include_member): Unlock external member of a thin archive.
10034
10035         * testsuite/Makefile.am (TEST_AR): New variable.
10036         (thin_archive_test_1): New test.
10037         (thin_archive_test_2): New test.
10038         * testsuite/Makefile.in: Regenerate.
10039         * testsuite/thin_archive_main.cc: New file.
10040         * testsuite/thin_archive_test_1.cc: New file.
10041         * testsuite/thin_archive_test_2.cc: New file.
10042         * testsuite/thin_archive_test_3.cc: New file.
10043         * testsuite/thin_archive_test_4.cc: New file.
10044
10045 2008-09-29  Cary Coutant  <ccoutant@google.com>
10046
10047         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10048         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10049         instead of -1U.
10050         (Sized_relobj::do_finalize_local_symbols): Likewise.
10051         (Sized_relobj::map_to_kept_section): Likewise.
10052         * object.h (Sized_relobj::invalid_address): New constant.
10053         (Sized_relobj::do_output_section_offset): Check for invalid_address
10054         and return -1ULL.
10055         * output.cc (Output_reloc::local_section_offset): Use constant
10056         invalid_address instead of -1U.
10057         (Output_reloc::get_address): Likewise.
10058         (Output_section::output_address): Change -1U to -1ULL.
10059         * output.h (Output_reloc::invalid_address): New constant.
10060         * reloc.cc (Sized_relobj::write_sections): Use constant
10061         invalid_address instead of -1U.
10062         (Sized_relobj::relocate_sections): Likewise.
10063         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10064         values for merge sections.
10065         * target-reloc.h (relocate_for_relocatable): Use constant
10066         invalid_address instead of -1U.
10067
10068 2008-09-19  Cary Coutant  <ccoutant@google.com>
10069
10070         Add plugin functionality for link-time optimization (LTO).
10071         * configure.ac (plugins): Add --enable-plugins option.
10072         * configure: Regenerate.
10073         * config.in: Regenerate.
10074         * Makefile.am (LIBDL): New variable.
10075         (CCFILES): Add plugin.cc.
10076         (HFILES): Add plugin.h.
10077         (ldadd_var): Add LIBDL.
10078         * Makefile.in: Regenerate.
10079
10080         * archive.cc: Include "plugin.h".
10081         (Archive::setup): Don't preread archive symbols when using a plugin.
10082         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10083         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10084         files.
10085         (Archive::include_member): Add symbols from plugin objects.
10086         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10087         * descriptors.cc (Descriptors::open): Check for file descriptors
10088         abandoned by plugins.
10089         (Descriptors::claim_for_plugin): New function.
10090         * descriptors.h (Descriptors::claim_for_plugin): New function.
10091         (Open_descriptor::is_claimed): New field.
10092         (claim_descriptor_for_plugin): New function.
10093         * fileread.cc (File_read::claim_for_plugin): New function.
10094         * fileread.h (File_read::claim_for_plugin): New function.
10095         (File_read::descriptor): New function.
10096         * gold.cc: Include "plugin.h".
10097         (queue_initial_tasks): Add task to call plugin hooks for generating
10098         new object files.
10099         * main.cc: Include "plugin.h".
10100         (main): Load plugin libraries.
10101         * object.h (Pluginobj): Declare.
10102         (Object::pluginobj): New function.
10103         (Object::do_pluginobj): New function.
10104         (Object::set_target): New function.
10105         * options.cc: Include "plugin.h".
10106         (General_options::parse_plugin): New function.
10107         (General_options::General_options): Initialize plugins_ field.
10108         (General_options::add_plugin): New function.
10109         * options.h (Plugin_manager): Declare.
10110         (General_options): Add --plugin option.
10111         (General_options::has_plugins): New function.
10112         (General_options::plugins): New function.
10113         (General_options::add_plugin): New function.
10114         (General_options::plugins_): New field.
10115         * plugin.cc: New file.
10116         * plugin.h: New file.
10117         * readsyms.cc: Include "plugin.h".
10118         (Read_symbols::do_read_symbols): Check for archive before checking
10119         for ELF file.  Call plugin hooks to claim files.
10120         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10121         from a real object file; force override when processing replacement
10122         files.
10123         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10124         (Symbol::init_base_object): Likewise.
10125         (Symbol::init_base_output_data): Likewise.
10126         (Symbol::init_base_output_segment): Likewise.
10127         (Symbol::init_base_constant): Likewise.
10128         (Symbol::init_base_undefined): Likewise.
10129         (Symbol::output_section): Assert that object is not a plugin.
10130         (Symbol_table::add_from_pluginobj): New function.
10131         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10132         undefined.
10133         (Symbol_table::sized_write_globals): Likewise.
10134         (Symbol_table::add_from_pluginobj): Instantiate template.
10135         * symtab.h (Sized_pluginobj): Declare.
10136         (Symbol::in_real_elf): New function.
10137         (Symbol::set_in_real_elf): New function.
10138         (Symbol::in_real_elf_): New field.
10139         (Symbol_table::add_from_pluginobj): New function.
10140
10141         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10142         (LIBDL): New variable.
10143         (LDADD): Add LIBDL.
10144         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10145         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10146         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10147         (MOSTLYCLEANFILES): Likewise.
10148         * testsuite/Makefile.in: Regenerate.
10149         * testsuite/plugin_test.c: New file.
10150         * testsuite/plugin_test_1.sh: New file.
10151         * testsuite/plugin_test_2.sh: New file.
10152
10153 2008-09-16  Ian Lance Taylor  <iant@google.com>
10154
10155         * target-reloc.h (relocate_section): Check whether a symbol is
10156         defined by the ABI before reporting an undefined symbol error.
10157         * target.h (Target::is_defined_by_abi): Make parameter const.
10158         (Target::do_is_defined_by_abi): Likewise.
10159         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10160         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10161         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10162         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10163         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10164         * testsuite/Makefile.in: Rebuild.
10165
10166         * fileread.cc (make_view): Add casts to avoid warning.
10167
10168 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10169
10170         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10171         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10172
10173 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10174
10175         * options.h (General_options::output_is_executable): New.
10176         (General_options::output_is_pie): New.
10177         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10178         for shared libraries.
10179         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10180
10181 2008-09-11  Chris Demetriou  <cgd@google.com>
10182
10183         * options.h (origin): New -z option.
10184         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10185         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10186         in DT_FLAGS_1.
10187
10188 2008-09-05  Cary Coutant  <ccoutant@google.com>
10189
10190         * fileread.cc (File_read::make_view): Add check for attempt to map
10191         beyond end of file.
10192
10193 2008-09-05  Cary Coutant  <ccoutant@google.com>
10194
10195         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10196         explicit instantiations.
10197
10198 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10199
10200         PR gold/6858
10201         * options.cc (General_options::finalize): Allow undefined symbols
10202         in shlibs if linking -shared.
10203
10204         PR gold/6859
10205         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10206         symbols as not needing a dynsym entry.
10207
10208 2008-08-20  Craig Silverstein  <csilvers@google.com>
10209
10210         * fileread.cc (File_read::open): Do not lock the file unless it
10211         was successfully opened.
10212
10213 2008-08-14  Cary Coutant  <ccoutant@google.com>
10214
10215         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10216         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10217         * testsuite/tls_test.cc (struct int128): 128-bit struct
10218         for testing TLS relocs with non-zero addend.
10219         (v12): New TLS variable.
10220         (t12): New test.
10221         (t_last): Add check for v12.
10222         * testsuite/tls_test.h (t12): New function.
10223         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10224
10225 2008-08-13  Ian Lance Taylor  <iant@google.com>
10226
10227         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10228         set tls_segment_ or relro_segment_.
10229         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10230         when appropriate.
10231         * output.h (Output_section::clear_is_relro): New function.
10232         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10233         sections specially even when output_data_ is empty.
10234         (Output_segment::maximum_alignment): When first section is relro,
10235         only force alignment for PT_LOAD segments.
10236         * script.cc (script_data_segment_align): New function.
10237         (script_data_segment_relro_end): New function.
10238         * script-c.h (script_data_segment_align): Declare.
10239         (script_data_segment_relro_end): Declare.
10240         * script-sections.h (class Script_sections): Declare
10241         data_segment_align and data_segment_relro_end.  Add fields
10242         segment_align_index_ and saw_relro_end_.
10243         * script-sections.cc (class Sections_element): Add set_is_relro
10244         virtual function.  Add new bool* parameter to place_orphan_here.
10245         Add get_output_section virtual function.
10246         (class Output_section_definition): Add set_is_relro.  Add new
10247         bool* parameter to place_orphan_here.  Add get_output_section.
10248         Add is_relro_ field.
10249         (Output_section_definition::Output_section_definition): Initialize
10250         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10251         and is_relro_ fields.
10252         (Output_section_definition::place_orphan_here): Add is_relro
10253         parameter.
10254         (Output_section_definition::set_section_addresses): Set relro for
10255         output section.
10256         (Output_section_definition::alternate_constraint): Likewise.
10257         (class Orphan_output_section): Add new bool* parameter to
10258         place_orphan_here.  Add get_output_section.
10259         (Orphan_output_section::place_orphan_here): Add is_relro
10260         parameter.
10261         (Script_sections::Script_sections): Initialize
10262         data_segment_align_index_ and saw_relro_end_.
10263         (Script_sections::data_segment_align): New function.
10264         (Script_sections::data_segment_relro_end): New function.
10265         (Script_sections::place_orphan): Set or clear is_relro.
10266         (Script_sections::set_section_addresses): Force alignment of first
10267         TLS section.
10268         * yyscript.y (exp): Call script_data_segment_align and
10269         script_data_segment_relro_end.
10270         * testsuite/relro_script_test.t: New file.
10271         * testsuite/relro_test.cc (using_script): Declare.
10272         (t1, t2): Test using_script.
10273         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10274         (relro_script_test_SOURCES): Define.
10275         (relro_script_test_DEPENDENCIES): Define.
10276         (relro_script_test_LDFLAGS): Define.
10277         (relro_script_test_LDADD): Define.
10278         (relro_script_test.so): New target.
10279         * testsuite/Makefile.in: Rebuild.
10280
10281 2008-08-06  Cary Coutant <ccoutant@google.com>
10282
10283         * archive.cc (Archive::total_archives, Archive::total_members)
10284         (Archive::total_members_loaded): New variables.
10285         (Archive::setup): Add parameter.  Add option to preread
10286         archive symbols.
10287         (Archive::read_armap): Add counter.
10288         (Archive::get_file_and_offset): New function.
10289         (Archive::get_elf_object_for_member): New function.
10290         (Archive::read_all_symbols): New function.
10291         (Archive::read_symbols): New function.
10292         (Archive::add_symbols): Add counters.
10293         (Archive::include_all_members): Use armap to find members if it's
10294         already built.
10295         (Archive::include_member): Skip reading symbols if already read.
10296         Factored code into Archive::get_file_and_offset and
10297         Archive::get_elf_object_for_member.  Changed call to
10298         Mapfile::report_include_archive_member.
10299         (Archive::print_stats): New function.
10300         * archive.h: Declare Object and Read_symbols_data classes.
10301         (Archive::Archive): Add initializers for new members.
10302         (Archive::setup): Add parameter.
10303         (Archive::print_stats): New function.
10304         (Archive::total_archives, Archive::total_members)
10305         (Archive::total_members_loaded): New variables.
10306         (Archive::get_file_and_offset): New function.
10307         (Archive::get_elf_object_for_member): New function.
10308         (Archive::read_all_symbols): New function.
10309         (Archive::read_symbols): New function.
10310         (Archive::Archive_member): New class.
10311         (Archive::members_): New member.
10312         (Archive::num_members_): New member.
10313         * main.cc: Include archive.h.
10314         (main): Call Archive::print_stats.
10315         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10316         archive parameter; member_name is now the fully-decorated name.
10317         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10318         * options.h: (General_options): Add --preread-archive-symbols option.
10319         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10320         Archive::setup.
10321
10322 2008-08-04  Ian Lance Taylor  <iant@google.com>
10323
10324         * symtab.h (Symbol::use_plt_offset): New function.
10325         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10326         * powerpc.cc (Relocate::relocate): Likewise.
10327         * sparc.cc (Relocate::relocate): Likewise.
10328         * x86_64.cc (Relocate::relocate): Likewise.
10329         * testsuite/weak_plt.sh: New test.
10330         * testsuite/weak_plt_main.cc: New test.
10331         * testsuite/weak_plt_shared.cc: New test.
10332         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10333         (check_PROGRAMS): Add weak_plt.
10334         (check_DATA): Add weak_plt_shared.so.
10335         (weak_plt_main_pic.o, weak_plt): New targets.
10336         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10337         * testsuite/Makefile.in: Rebuild.
10338
10339         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10340         gcctestdir/ld.
10341         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10342         * testsuite/Makefile.in: Rebuild.
10343
10344 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10345
10346         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10347         * Makefile.in: Regenerate.
10348         * po/POTFILES.in: Regenerate.
10349
10350 2008-07-29  Ian Lance Taylor  <iant@google.com>
10351
10352         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10353         symbols before other symbols.
10354         * testsuite/script_test_2.cc (test_addr): Declare.
10355         (test_addr_alias): Declare.
10356         (main): Check that test_addr and test_addr_alias have the right
10357         values.
10358         * testsuite/script_test_2.t: Define test_addr_alias and
10359         test_addr.
10360
10361 2008-07-24  Ian Lance Taylor  <iant@google.com>
10362
10363         PR 5990
10364         * descriptors.cc: New file.
10365         * descriptors.h: New file.
10366         * gold-threads.h (class Hold_optional_lock): New class.
10367         * fileread.cc: Include "descriptors.h".
10368         (File_read::~File_read): Release descriptor rather than closing
10369         it.
10370         (File_read::open) [file]: Call open_descriptor rather than open.
10371         Set is_descriptor_opened_.
10372         (File_read::open) [memory]: Assert that descriptor is not open.
10373         (File_read::reopen_descriptor): New function.
10374         (File_read::release): Release descriptor.
10375         (File_read::do_read): Make non-const.  Reopen descriptor.
10376         (File_read::read): Make non-const.
10377         (File_read::make_view): Reopen descriptor.
10378         (File_read::do_readv): Likewise.
10379         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10380         Update declarations.
10381         * layout.cc: Include "descriptors.h".
10382         (Layout::create_build_id): Use open_descriptor rather than open.
10383         * output.cc: Include "descriptors.h".
10384         (Output_file::open): Use open_descriptor rather than open.
10385         * archive.cc (Archive::const_iterator): Change Archive to be
10386         non-const.
10387         (Archive::begin, Archive::end): Make non-const.
10388         (Archive::count_members): Likewise.
10389         * archive.h (class Archive): Update declarations.
10390         * object.h (Object::read): Make non-const.
10391         * Makefile.am (CCFILES): Add descriptors.cc.
10392         (HFILES): Add descriptors.h.
10393         * Makefile.in: Rebuild.
10394
10395         PR 6716
10396         * gold.h: Always include <clocale>.  Add Solaris workarounds
10397         following code in binutils/sysdep.h.
10398
10399         PR 6048
10400         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10401         this->eh_frame_hdr_ is NULL before using it.
10402
10403         * dynobj.cc (Versions::Versions): Update comment.
10404
10405         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10406         the base version name.
10407
10408         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10409         array size plus one.
10410         (Stringpool_template::set_string_offsets): Subtract one from key
10411         before using it as an array index.
10412         (Stringpool_template::get_offset_with_length): Likewise.
10413         (Stringpool_template::write_to_buffer): Likewise.
10414         * stringpool.h (Stringpool_template::get_offset_from_key):
10415         Likewise.
10416
10417 2008-07-23  Ian Lance Taylor  <iant@google.com>
10418
10419         PR 6658
10420         * object.h (Merged_symbol_value::value): Do our best to handle a
10421         negative addend.
10422
10423         PR 6647
10424         * script.cc (Version_script_info::get_versions): Don't add empty
10425         version tag to return value.
10426         (Version_script_info::get_symbol_version_helper): Change return
10427         type to bool.  Add pversion parameter.  Change all callers.
10428         (script_register_vers_node): Don't require a non-NULL tag.
10429         * script.h (class Version_script_info): Update declarations.
10430         (Version_script_info::get_symbol_version): Change return type to
10431         bool.  Add version parameter.  Change all callers.
10432         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10433         handling.  Handle an empty version from a version script.
10434         (Symbol_table::define_special_symbol): Likewise.
10435         * testsuite/ver_test_10.script: New file.
10436         * testsuite/ver_test_10.sh: New file.
10437         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10438         (check_DATA): Add ver_test_10.syms.
10439         (ver_test_10.syms, ver_test_10.so): New target.
10440         * testsuite/Makefile.in: Rebuild.
10441
10442 2008-07-23  Simon Baldwin  <simonb@google.com>
10443
10444         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10445         to zero for undefined symbols from dynamic libraries.
10446
10447 2008-07-23  Ian Lance Taylor  <iant@google.com>
10448
10449         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10450         Change all callers.
10451         * symtab.h (class Symbol_table): Update declaration.
10452         * testsuite/ver_test_9.cc: New file.
10453         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10454         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10455         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10456         (ver_test_9.so, ver_test_9.o): New targets.
10457         * testsuite/Makefile.in: Rebuild.
10458
10459 2008-07-22  Ian Lance Taylor  <iant@google.com>
10460
10461         * options.h (class General_options): Define --check-sections.
10462         * layout.cc (Layout::set_segment_offsets): Handle
10463         --check-sections.
10464
10465         * options.h (class General_options): Define -n/--nmagic and
10466         -N/--omagic.
10467         * options.cc (General_options::finalize): For -n/--nmagic or
10468         -N/--omagic, set -static.
10469         * layout.cc (Layout::attach_allocated_section_to_segment): If
10470         -N/--omagic, don't put read-only and read-write sections in
10471         different segments.
10472         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10473         finding a read-only segment.
10474         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10475         don't set the minimum segment alignment to the common page size,
10476         and don't set the file offset to the address modulo the page size.
10477         * script-sections.cc (Script_sections::create_segments): If
10478         -n/--omagic, don't put read-only and read-write sections in
10479         different segments.
10480
10481         * cref.cc: New file.
10482         * cref.h: New file.
10483         * options.h (class General_options): Add --print-symbol-counts.
10484         * main.cc (main): Issue defined symbol report if requested.
10485         * archive.cc (Archive::interpret_header): Make into a const member
10486         function.
10487         (Archive::add_symbols): Call Input_objects::archive_start and
10488         archive_stop.
10489         (Archive::const_iterator): Define new class.
10490         (Archive::begin, Archive::end): New functions.
10491         (Archive::include_all_members): Rewrite to use iterator.
10492         (Archive::count_members): New function.
10493         * archive.h (class Archive): Update declarations.
10494         (Archive::filename): New function.
10495         * object.cc: Include "cref.h".
10496         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10497         (Sized_relobj::do_get_global_symbol_counts): New function.
10498         (Input_objects::add_object): Add object to cross-referencer.
10499         (Input_objects::archive_start): New function.
10500         (Input_objects::archive_stop): New function.
10501         (Input_objects::print_symbol_counts): New function.
10502         * object.h: Declare Cref and Archive.
10503         (Object::get_global_symbol_counts): New function.
10504         (Object::do_get_global_symbol_counts): New pure virtual function.
10505         (class Sized_relobj): Add defined_count_ field.  Update
10506         declarations.
10507         (class Input_objects): Add cref_ field.  Update constructor.
10508         Update declarations.
10509         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10510         defined_count_.
10511         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10512         symbol counts.
10513         (Sized_dynobj::do_get_global_symbol_counts): New function.
10514         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10515         defined_count_.  Update declarations.  Define Symbols typedef.
10516         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10517         parameter.  Change all callers.
10518         (Symbol_table::add_from_dynobj): Add sympointers and defined
10519         parameters.  Change all callers.
10520         * symtab.h (class Symbol_table): Update declarations.
10521         * Makefile.am (CCFILES): Add cref.cc.
10522         (HFILES): Add cref.h.
10523         * Makefile.in: Rebuild.
10524
10525 2008-07-22  Simon Baldwin  <simonb@google.com>
10526
10527         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10528         to zero when writing undefined symbols.
10529
10530 2008-07-22  Ian Lance Taylor  <iant@google.com>
10531
10532         * output.cc (Output_section::add_input_section): Don't try to
10533         merge empty merge sections.
10534
10535 2008-07-21  Craig Silverstein  <csilvers@google.com>
10536
10537         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10538         Include symbol version in error message.
10539
10540 2008-07-20  Chris Demetriou  <cgd@google.com>
10541
10542         * configure.ac (gold_cv_c_random_seed): New configured variable.
10543         (RANDOM_SEED_CFLAGS): New substituted variable.
10544         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10545         * configure: Rebuild.
10546         * Makefile.in: Likewise.
10547         * testsuite/Makefile.in: Likewise.
10548
10549 2008-07-18  Ian Lance Taylor  <iant@google.com>
10550
10551         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10552         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10553         * testsuite/ver_test_main.cc (main): Call t4.
10554         (t4, t4_2a): Define.
10555         * testsuite/ver_test_2.cc (t4_2): Define.
10556         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10557         * testsuite/ver_test_4.cc (t4_2a): Define.
10558         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10559         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10560
10561 2008-07-17  Ian Lance Taylor  <iant@google.com>
10562
10563         * dynobj.cc (Versions::add_def): If we give an error about a
10564         missing version, go ahead and create the version anyhow.
10565
10566 2008-07-10  Ian Lance Taylor  <iant@google.com>
10567
10568         Handle output sections with more than 0x7fffffff bytes.
10569         * object.h (class Relobj): Change map_to_output_ to
10570         output_sections_, and just keep a section pointer.  Change all
10571         uses.  Move comdat group support to Sized_relobj.
10572         (Relobj::is_section_specially_mapped): Remove.
10573         (Relobj::output_section): Remove poff parameter.  Change all
10574         callers.
10575         (Relobj::output_section_offset): New function.
10576         (Relobj::set_section_offset): Rewrite.
10577         (Relobj::map_to_output): Remove.
10578         (Relobj::output_sections): New function.
10579         (Relobj::do_output_section_offset): New pure virtual function.
10580         (Relobj::do_set_section_offset): Likewise.
10581         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10582         group support from Relobj.  Update declarations.
10583         (Sized_relobj::get_output_section_offset): New function.
10584         (Sized_relobj::do_output_section_offset): New function.
10585         (Sized_relobj::do_set_section_offset): New function.
10586         * object.cc (Relobj::output_section_address): Remove.
10587         (Sized_relobj::Sized_relobj): Initialize new fields.
10588         (Sized_relobj::include_section_group): Cast find_kept_object to
10589         Sized_relobj.
10590         (Sized_relobj::include_linkonce_section): Likewise.
10591         (Sized_relobj::do_layout): Use separate arrays for output section
10592         and output offset.
10593         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10594         output_sections.
10595         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10596         output_sections and section_offsets.
10597         (Sized_relobj::write_local_symbols): Likewise.
10598         (map_to_kept_section): Compute output address directly.
10599         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10600         output_sections and section_offsets.
10601         (Sized_relobj::write_sections): Likewise.
10602         (Sized_relobj::relocate_sections): Likewise.
10603         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10604         * output.h (class Output_reloc): Update declarations.  Change
10605         u2_.relobj to Sized_relobj*.
10606         (class Output_data_reloc): Change add functions to use
10607         Sized_relobj*.
10608         * output.cc (Output_reloc::Output_reloc): Change relobj to
10609         Sized_relobj*.
10610         (Output_reloc::local_section_offset): Change return type to
10611         Elf_Addr.  Use get_output_section_offset.
10612         (Output_reloc::get_address): Likewise.
10613         (Output_section::is_input_address_mapped): Don't call
10614         is_section_specially_mapped.
10615         (Output_section::output_offset): Likewise.
10616         (Output_section::output_address): Likewise.
10617         (Output_section::starting_output_address): Likewise.
10618         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10619         parameter to Sized_relobj*.
10620         (Copy_relocs::need_copy_reloc): Likewise.
10621         (Copy_relocs::save): Likewise.
10622         * copy-relocs.h (class Copy_relocs): Update declarations.
10623         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10624         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10625         * target-reloc.h (relocate_for_relocatable): Change
10626         offset_in_output_section type to Elf_Addr.  Change code that uses
10627         it as well.
10628         * layout.cc (Layout::layout): Always set *off.
10629         * mapfile.cc (Mapfile::print_input_section): Use
10630         output_section_offset.
10631         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10632         Sized_relobj*.
10633         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10634         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10635         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10636
10637 2008-07-03  Ian Lance Taylor  <iant@google.com>
10638
10639         * layout.cc (Layout::include_section): Do not discard unrecognized
10640         SHT_STRTAB sections.
10641
10642 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10643
10644         * script.cc (Lex::can_continue_name): Make '?' allowable in
10645         version-script names.
10646         * testsuite/version_script.map: Change glob pattern to use '?'
10647
10648 2008-06-30  Manish Singh  <yosh@gimp.org>
10649
10650         PR 6585
10651         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10652         Correct typo.
10653
10654 2008-06-30  Ian Lance Taylor  <iant@google.com>
10655
10656         PR 6660
10657         PR 6682
10658         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10659         versions]: Don't try to read the value in the contents, since we
10660         don't use it.  Use the template endianness when writing.
10661
10662 2008-06-25  Cary Coutant  <ccoutant@google.com>
10663
10664         * fileread.cc (File_read::make_view): Assert on zero-length view.
10665         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10666         symbol table when there are no symbols to read.
10667
10668 2008-06-23  Craig Silverstein  <csilvers@google.com>
10669
10670         * version.cc (version_string): Bump to 1.7
10671
10672 2008-06-18  Craig Silverstein  <csilvers@google.com>
10673
10674         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10675         constant 0xFFFF to type Valtype.
10676         (Powerpc_relocate_functions::rel16_ha): Likewise.
10677
10678 2008-06-17  Ian Lance Taylor  <iant@google.com>
10679
10680         * output.h (Output_section::Input_section): Initialize p2align_ to
10681         zero for Output_section_data constructors.
10682         (Output_section::Input_section::addralign): If not an input
10683         section, return the alignment of the Output_section_data.
10684         * testsuite/copy_test.cc: New file.
10685         * testsuite/copy_test_1.cc: New file.
10686         * testsuite/copy_test_2.cc: New file.
10687         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10688         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10689         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10690         (copy_test_1_pic.o, copy_test_1.so): New targets.
10691         (copy_test_2_pic.o, copy_test_2.so): New targets.
10692         * testsuite/Makefile.in: Rebuild.
10693
10694         * script-sections.cc (Script_sections::place_orphan): Initialize
10695         local variable exact.
10696
10697 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10698
10699         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10700
10701 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10702             David S. Miller  <davem@davemloft.net>
10703
10704         * powerpc.cc: New file.
10705         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10706         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10707         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10708         * Makefile.in: Rebuild.
10709
10710 2008-06-09  Ian Lance Taylor  <iant@google.com>
10711
10712         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10713         <exception>.
10714         (throwing, orig_terminate): New static variables.
10715         (terminate_handler): New static function.
10716         (t2): Set terminate handler.
10717
10718 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10719
10720         PR 6584
10721         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10722         alignment.
10723
10724 2008-05-30  Cary Coutant  <ccoutant@google.com>
10725
10726         * archive.cc (Archive::include_all_members) Correct to step
10727         over symbol table and extended name table in thin archives.
10728
10729 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10730
10731         PR 6407
10732         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10733         calculation.
10734
10735 2008-05-28  Caleb Howe  <cshowe@google.com>
10736
10737         * reduced_debug_output.cc: New file.
10738         * reduced_debug_output.h: New file.
10739         * options.h (class General_options): Add --strip-debug-non-line.
10740         * options.cc (General_options::finalize): Add strip_debug_non_line
10741         to the strip heirarchy.
10742         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10743         fields.
10744         * layout.cc: Include "reduced_debug_output.h".
10745         (Layout::Layout): Initialize new fields.
10746         (line_only_debug_sections): New static array.
10747         (is_lines_only_debug_sections): New static inline function.
10748         (Layout::include_section): Handle --strip-debug-non-line.
10749         (Layout::make_output_section): If --strip-debug-non-line, build
10750         new output sections for .debug_abbrev and .debug_info.
10751         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10752         gold.  Warn about possible overflow.
10753         (read_signed_LEB_128): Likewise.
10754         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10755         (read_signed_LEB_128): Declare.
10756         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10757         (HFILES): Add reduced_debug_output.h.
10758         * Makefile.in: Rebuild.
10759
10760 2008-05-21  Ian Lance Taylor  <iant@google.com>
10761
10762         * mapfile.cc: New file.
10763         * mapfile.h: New file.
10764         * options.h (class General_options): Add -M/--print-map and -Map.
10765         * options.cc (General_options::finalize): Make -M equivalent to
10766         -Map -.
10767         * main.cc: Include <cstdio> and "mapfile.h".
10768         (main): Open mapfile if requested.
10769         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10770         constructor.  Change caller.
10771         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10772         (queue_middle_tasks): Likewise.
10773         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10774         declarations.
10775         * archive.cc: Include "mapfile.h".
10776         (Archive::add_symbols): Add mapfile parameter.  Change all
10777         callers.  Pass mapfile, symbol, and reason to include_member.
10778         (Archive::include_all_members): Add mapfile parameter.  Change all
10779         callers.
10780         (Archive::include_member): Add mapfile, sym, and why parameters.
10781         Change all callers.  Report inclusion to map file.
10782         * archive.h: Include "fileread.h".
10783         (class Archive): Update declarations.
10784         (Archive::file): New const method.
10785         (class Add_archive_symbols): Add mapfile_ field.  Update
10786         constructor.  Change all callers.
10787         * readsyms.h (class Read_symbols): Likewise.
10788         (class Finish_group): Likewise.
10789         (class Read_script): Likewise.
10790         * common.cc: Include "mapfile.h".
10791         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10792         all callers.
10793         (Symbol_table::do_allocate_commons): Likewise.
10794         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10795         symbol allocation to mapfile.
10796         * common.h (class Allocate_commons_task): Add mapfile_ field.
10797         Update constructor.  Change all callers.
10798         * symtab.h (class Symbol_table): Update declarations.
10799         * layout.cc: Include "mapfile.h".
10800         (Layout_task_runner::run): Print information to mapfile.
10801         (Layout::create_gold_note): Change Output_data_fixed_space to
10802         Output_data_zero_fill.
10803         (Layout::create_build_id): Likewise.
10804         (Layout::print_to_mapfile): New function.
10805         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10806         constructor.  Change caller.
10807         (class Layout): Declare print_to_mapfile.
10808         * output.cc (Output_section::Input_section::print_to_mapfile): New
10809         function.
10810         (Output_section::add_input_section): If producing a map, always
10811         add to input_sections_ list.
10812         (Output_section::do_print_to_mapfile): New function.
10813         (Output_segment::print_sections_to_mapfile): New function.
10814         (Output_segment::print_section_list_to_mapfile): New function.
10815         * output.h: Include "mapfile.h".
10816         (Output_data::print_to_mapfile): New function.
10817         (Output_data::do_print_to_mapfile): New virtual function.
10818         (Output_segment_headers::do_print_to_mapfile): New function.
10819         (Output_file_header::do_print_to_mapfile): New function.
10820         (Output_data_const::do_print_to_mapfile): New function.
10821         (class Output_data_const_buffer): Add map_name_ field.  Update
10822         constructor.  Change all callers.  Add do_print_to_mapfile
10823         function.
10824         (class Output_data_fixed_space): Likewise.
10825         (class Output_data_space): Likewise.
10826         (class Output_data_zero_fill): New class.
10827         (Output_data_strtab::do_print_to_mapfile): New function.
10828         (Output_data_reloc_base::do_print_to_mapfile): New function.
10829         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10830         (Output_data_group::do_print_to_mapfile): New function.
10831         (Output_data_got::do_print_to_mapfile): New function.
10832         (Output_data_dynamic::do_print_to_mapfile): New function.
10833         (Output_symtab_xindex::do_print_to_mapfile): New function.
10834         (class Output_section): Declare do_print_to_mapflie.  Declare
10835         print_to_mapfile in Input_section.
10836         (class Output_segment): Declare new functions.
10837         * object.h (Sized_relobj::symbol_count): New function.
10838         * script-sections.cc
10839         (Output_section_element_dot_assignment::set_section_addresses):
10840         Change Output_data_fixed_space to Output_data_zero_fill.
10841         (Output_data_expression::do_print_to_mapfile): New function.
10842         * script.cc (read_input_script): Add mapfile parameter.  Change
10843         all callers.
10844         * script.h (read_input_script): Update declaration.
10845         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10846         (Eh_frame::do_print_to_mapfile): New function.
10847         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10848         (Output_merge_string::do_print_to_mapfile): New function.
10849         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10850         function.
10851         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10852         function.
10853         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10854         function.
10855         * Makefile.am (CCFILES): Add mapfile.cc.
10856         (HFILES): Add mapfile.h.
10857         * Makefile.in: Rebuild.
10858
10859 2008-05-19  Ian Lance Taylor  <iant@google.com>
10860
10861         * options.h (class General_options): Add -z relro.
10862         * layout.cc (Layout::Layout): Initialize relro_segment_.
10863         (Layout::add_output_section_data): Return the output section.
10864         (Layout::make_output_section): Rcognize relro sections and mark
10865         them appropriately.
10866         (Layout::attach_allocated_section_to_segment): Put relro sections
10867         in a PT_GNU_RELRO segment.
10868         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10869         section as relro.
10870         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10871         PT_TLS segments.
10872         (Layout::linkonce_mapping): Map d.rel.ro.local to
10873         .data.rel.ro.local.
10874         (Layout::output_section_name): Us .data.rel.ro.local for any
10875         section which begins with that.
10876         * layout.h (class Layout): Update add_output_section_data
10877         declaration.  Add relro_segment_ field.
10878         * output.cc (Output_section::Output_section): Initialize is_relro_
10879         and is_relro_local_ fields.
10880         (Output_segment::add_output_section): Group relro sections.
10881         (Output_segment::is_first_section_relro): New function.
10882         (Output_segment::maximum_alignment): If there is a relro section,
10883         align the segment to the common page size.
10884         (Output_segment::set_section_addresses): Track whether we are
10885         looking at relro sections.  If the last section is a relro
10886         section, align to the common page size.
10887         (Output_segment::set_section_list_addresses): Add in_relro
10888         parameter.  Change all callers.  Align to the page size when
10889         moving from relro to non-relro section.
10890         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10891         segment.
10892         * output.h (class Output_section): Add is_relro_ and
10893         is_relro_local_ fields.
10894         (Output_section::is_relro): New function.
10895         (Output_section::set_is_relro): New function.
10896         (Output_section::is_relro_local): New function.
10897         (Output_section::set_is_relro_local): New function.
10898         (class Output_segment): Update declarations.
10899         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10900         * sparc.cc (Target_sparc::got_section): Likewise.
10901         * x86_64.cc (Target_x86_64::got_section): Likewise.
10902         * testsuite/relro_test_main.cc: New file.
10903         * testsuite/relro_test.cc: New file.
10904         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10905         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10906         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10907         (relro_test.so, relro_test_pic.o): New targets.
10908         * testsuite/Makefile.in: Rebuild.
10909
10910 2008-05-16  Ian Lance Taylor  <iant@google.com>
10911
10912         * output.cc (Output_segment::add_output_section): Remove front
10913         parameter.
10914         * output.h (class Output_segment): Remove
10915         add_initial_output_section and overloaded add_output_section.
10916         Update declaration of remaining add_output_section.
10917         * layout.cc (Layout::create_interp): Call add_output_section
10918         rather than add_initial_output_section.
10919         (Layout::finish_dynamic_section): Likewise.
10920
10921         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10922         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10923         know the dynamic type.
10924         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10925         field.  Initialize it in constructor.
10926         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10927         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10928         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10929         reloc.
10930
10931         * output.cc (Output_reloc::get_address): Change return type to
10932         Elf_Addr.
10933         * output.h (class Output_reloc): Update get_address declaration.
10934         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10935         for section addresses.
10936
10937 2008-05-09  Ian Lance Taylor  <iant@google.com>
10938
10939         PR 6493
10940         * gold.cc (gold_nomem): Use return value of write.
10941
10942 2008-05-08  Ian Lance Taylor  <iant@google.com>
10943
10944         * symtab.c (Symbol::init_base_output_data): Add version
10945         parameter.  Change all callers.
10946         (Symbol::init_base_output_segment): Likewise.
10947         (Symbol::init_base_constant): Likewise.
10948         (Symbol::init_base_undefined): Likewise.
10949         (Sized_symbol::init_output_data): Likewise.
10950         (Sized_symbol::init_output_segment): Likewise.
10951         (Sized_symbol::init_constant): Likewise.
10952         (Sized_symbol::init_undefined): Likewise.
10953         (Symbol_table::do_define_in_output_data): If the new symbol has a
10954         version, mark it as the default.
10955         (Symbol_table::do_define_in_output_segment): Likewise.
10956         (Symbol_table::do_define_as_constant): Likewise.
10957         * symtab.h (class Symbol): Update declarations.
10958         (class Sized_symbol): Likewise.
10959         * resolve.cc (Symbol::override_version): New function.
10960         (Symbol::override_base): Call override_version.
10961         (Symbol::override_base_with_special): Likewise.
10962         * testsuite/ver_script_8.script: New file.
10963         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10964         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10965         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10966         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10967
10968 2008-05-06  Ian Lance Taylor  <iant@google.com>
10969
10970         PR 6049
10971         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10972         functions.
10973         (class General_options): Remove existing --undefined, and add
10974         --no-undefined instead.  Add new --undefined as synonym for -u.
10975         * archive.cc (Archive::add_symbols): Check whether symbol was
10976         named with -u.
10977         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10978         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10979         all uses.  Add IS_UNDEFINED.  Update declarations to split
10980         different versions of init_base.  Declare init_base_undefined.
10981         (Symbol::is_defined): Handle IS_UNDEFINED.
10982         (Symbol::is_undefined): Likewise.
10983         (Symbol::is_weak_undefined): Call is_undefined.
10984         (Symbol::is_absolute): Handle IS_CONSTANT.
10985         (class Sized_symbol): Update declarations to split different
10986         versions of init.  Declare init_undefined.
10987         (class Symbol_table): Declare new functions.
10988         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10989         Change all callers.
10990         (Symbol::init_base_output_data): Likewise.
10991         (Symbol::init_base_output_segment): Likewise.
10992         (Symbol::init_base_constant): Likewise.
10993         (Symbol::init_base_undefined): New function.
10994         (Sized_symbol::init_object): Rename from init.  Change all
10995         callers.
10996         (Sized_symbol::init_output_data): Likewise.
10997         (Sized_symbol::init_output_segment): Likewise.
10998         (Sized_symbol::init_constant): Likewise.
10999         (Sized_symbol::init_undefined): New function.
11000         (Symbol_table::add_undefined_symbols_from_command_line): New
11001         function.
11002         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11003         function.
11004         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11005         (Symbol::output_section): Likewise.
11006         (Symbol::set_output_section): Likewise.
11007         (Symbol_table::sized_finalize_symbol): Likewise.
11008         (Symbol_table::sized_write_globals): Likewise.
11009         * resolve.cc (Symbol_table::should_override): Likewise.
11010         (Symbol::override_base_with_special): Likewise.
11011
11012         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11013         symbol, change it to have default visibility.
11014         * testsuite/protected_1.cc: New file.
11015         * testsuite/protected_2.cc: New file.
11016         * testsuite/protected_3.cc: New file.
11017         * testsuite/protected_main_1.cc: New file.
11018         * testsuite/protected_main_2.cc: New file.
11019         * testsuite/protected_main_3.cc: New file.
11020         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11021         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11022         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11023         (protected_1.so): New target.
11024         (protected_1_pic.o, protected_2_pic.o): New targets.
11025         (protected_3_pic.o): New target.
11026         (check_PROGRAMS): Add protected_2.
11027         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11028         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11029         * testsuite/Makefile.in: Rebuild.
11030
11031         * options.h (DEFINE_var): Add set_user_set_##varname__.
11032         (DEFINE_bool_alias): New macro.
11033         (class General_options): Define -Bstatic using DEFINE_bool_alias
11034         rather than DEFINE_special.  Add --undefined as an alias for -z
11035         defs.
11036         * options.cc (General_options::parse_Bstatic): Remove.
11037
11038         * options.h (class General_options): Add --fatal-warnings.
11039         * main.cc (main): Implement --fatal-warnings.
11040         * errors.h (Errors::warning_count): New function.
11041
11042         * options.h (class General_options): Add -Bsymbolic-functions.
11043         * symtab.h (Symbol::is_preemptible): Check for
11044         -Bsymbolic-functions.
11045
11046 2008-05-05  Ian Lance Taylor  <iant@google.com>
11047
11048         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11049         as noVARNAME rather than no-VARNAME.
11050         (class General_options): Add option -z combreloc.
11051         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11052         get_address.
11053         (Output_reloc::sort_before) [SHT_REL]: New function.
11054         (Output_reloc::sort_before) [SHT_RELA]: New function.
11055         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11056         Sort_relocs_comparison.
11057         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11058         parameter.  Change all callers.
11059         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11060         sort_relocs parameter.  Change all callers.
11061         * output.cc (Output_reloc::get_address): New function, broken out
11062         of write_rel.
11063         (Output_reloc::write_rel): Call it.
11064         (Output_reloc::compare): New function.
11065         (Output_data_reloc_base::do_write): Optionally sort relocs.
11066
11067         * configure.ac: If targ_extra_obj is set, link it in.
11068         * configure.tgt: Initialize all variables.
11069         (x86_64*): Set targ_extra_obj and targ_extra_size.
11070         * configure: Rebuild.
11071
11072         * object.cc (Sized_relobj::include_section_group): Adjust section
11073         indexes read from group data.  Build vector to pass to
11074         layout_group.
11075         * layout.cc (Layout::layout_group): Add flags and shndxes
11076         parameters.  Remove contents parameter.  Change caller.  Update
11077         explicit instantiations.
11078         * layout.h (class Layout): Update layout_group declaration.
11079         * output.cc (Output_data_group::Output_data_group): Add flags and
11080         input_shndxes parameters.  Remove contents parameter.  Change
11081         caller.
11082         (Output_data_group::do_write): Change input_sections_ to
11083         input_shndxes_.
11084         * output.h (class Output_data_group): Update constructor
11085         declaration.  Rename input_sections_ to input_shndxes_.
11086         * testsuite/many_sections_test.cc: Add template.
11087
11088 2008-04-30  Cary Coutant  <ccoutant@google.com>
11089
11090         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11091
11092         * layout.cc (Layout::include_section): Refactored check for debug
11093         info section.
11094         (Layout::add_comdat): Add new parameters.  Change type
11095         of signature parameter.  Add object and shndx to signatures table.
11096         (Layout::find_kept_object): New function.
11097         * layout.h: Include <cstring>.
11098         (Layout::is_debug_info_section): New function.
11099         (Layout::add_comdat): Add new parameters.
11100         (Layout::find_kept_object): New function.
11101         (Layout::Kept_section): New struct.
11102         (Layout::Signatures): Change type of map range.
11103         * object.cc (Relobj::output_section_address): New function.
11104         (Sized_relobj::include_section_group): Add new parameters.  Change
11105         calls to Layout::add_comdat.  Change to build table of kept comdat
11106         groups and table mapping discarded sections to kept sections.
11107         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11108         (Sized_relobj::do_layout): Change calls to include_section_group and
11109         include_linkonce_section.
11110         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11111         value to zero when section is discarded.
11112         (Sized_relobj::map_to_kept_section): New function.
11113         * object.h (Relobj::output_section_address): New function.
11114         (Relobj::Comdat_group): New type.
11115         (Relobj::find_comdat_group): New function.
11116         (Relobj::Comdat_group_table): New type.
11117         (Relobj::Kept_comdat_section): New type.
11118         (Relobj::Kept_comdat_section_table): New type.
11119         (Relobj::add_comdat_group): New function.
11120         (Relobj::set_kept_comdat_section): New function.
11121         (Relobj::get_kept_comdat_section): New function.
11122         (Relobj::comdat_groups_): New field.
11123         (Relobj::kept_comdat_sections_): New field.
11124         (Symbol_value::input_value): Update comment.
11125         (Sized_relobj::map_to_kept_section) New function.
11126         (Sized_relobj::include_linkonce_section): Add new parameter.
11127         * target-reloc.h (Comdat_behavior): New type.
11128         (get_comdat_behavior): New function.
11129         (relocate_section): Add code to map a discarded section to the
11130         corresponding kept section when applying a relocation.
11131
11132 2008-04-30  Craig Silverstein  <csilvers@google.com>
11133
11134         * dwarf_reader.cc (next_generation_count): New static var.
11135         (Addr2line_cache_entry): New struct.
11136         (addr2line_cache): New static var.
11137         (Dwarf_line_info::one_addr2line): Added caching.
11138         (Dwarf_line_info::clear_addr2line_cache): New function.
11139         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11140         cache-size parameter.
11141         (Dwarf_line_info::one_addr2line_cache): New function.
11142         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11143         new cache-size argument to one_addr2line(), and clear cache.
11144
11145 2008-04-28  Cary Coutant  <ccoutant@google.com>
11146
11147         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11148         R_386_PC8 relocations.
11149
11150 2008-04-23  Ian Lance Taylor  <iant@google.com>
11151
11152         * object.cc (Sized_relobj::include_section_group): Check for
11153         invalid section group.
11154
11155         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11156         header size.
11157
11158         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11159         than read for file header.
11160         * archive.cc (Archive::include_member): Likewise.
11161
11162 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11163
11164         * aclocal.m4: Regenerate.
11165         * configure: Regenerate.
11166
11167 2008-04-19  Ian Lance Taylor  <iant@google.com>
11168
11169         * version.cc (version_string): Bump to 1.6.
11170
11171         * testsuite/Makefile.am (many_sections_r_test): New target.
11172         (many_sections_r_test_SOURCES): Remove.
11173         (many_sections_r_test_DEPENDENCIES): Remove.
11174         (many_sections_r_test_LDFLAGS): Remove.
11175         (many_sections_r_test_LDADD): Remove.
11176
11177         * object.cc (Sized_relobj::do_add_symbols): Always pass
11178         local_symbol_count_ to add_from_relobj.
11179
11180         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11181         every thousand variables.
11182         * testsuite/Makefile.in: Rebuild.
11183
11184         * object.cc (Xindex::initialize_symtab_xindex): New function.
11185         (Xindex::read_symtab_xindex): New function.
11186         (Xindex::sym_xindex_to_shndx): New function.
11187         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11188         available.
11189         (Sized_relobj::do_initialize_xindex): New function.
11190         (Sized_relobj::do_read_symbols): Adjust section links.
11191         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11192         parameter.  Change all callers.
11193         (Sized_relobj::include_section_group): Adjust section links and
11194         symbol section indexes.
11195         (Sized_relobj::do_layout): Adjust section links.
11196         (Sized_relobj::do_count_local_symbols): Adjust section links and
11197         symbol section indexes.
11198         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11199         ordinary and special symbols.
11200         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11201         dynsym_xindex parameters.  Change all callers.  Adjust section
11202         links.  Use SHN_XINDEX when needed.
11203         (Sized_relobj::get_symbol_location_info): Adjust section links.
11204         Don't get fooled by special symbols.
11205         * object.h (class Xindex): Define.
11206         (class Object): Add xindex_ parameter.  Declare virtual functoin
11207         do_initialize_xindex.
11208         (Object::adjust_sym_shndx): New function.
11209         (Object::set_xindex): New protected function.
11210         (class Symbol_value): Add is_ordinary_shndx_ field.
11211         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11212         (Symbol_value::value): Assert ordinary section.
11213         (Symbol_value::initialize_input_to_output_map): Likewise.
11214         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11215         Change all callers.
11216         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11217         all callers.
11218         (class Sized_relobj): Update declarations.
11219         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11220         parameter.  Change all callers.
11221         (Sized_relobj::adjust_shndx): New function.
11222         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11223         field.
11224         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11225         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11226         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11227         (Sized_dynobj::read_dynsym_section): Adjust section links.
11228         (Sized_dynobj::read_dynamic): Likewise.
11229         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11230         section links.
11231         (Sized_dynobj::do_initialize_xindex): New function.
11232         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11233         do_initialize_xindex.
11234         (Sized_dynobj::adjust_shndx): New function.
11235         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11236         dynsym_xindex_ fields.
11237         (Layout::finalize): Add a call to set_section_indexes before
11238         creating the symtab sections.
11239         (Layout::set_section_indexes): Don't do anything if the section
11240         already has a section index.
11241         (Layout::create_symtab_sections): Add shnum parameter.  Change
11242         caller.  Create .symtab_shndx section if needed.
11243         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11244         caller.
11245         (Layout::allocated_output_section_count): New function.
11246         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11247         needed.
11248         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11249         fields.  Update declarations.
11250         (Layout::symtab_xindex): New function.
11251         (Layout::dynsym_xindex): New function.
11252         (class Write_symbols_task): Add layout_ field.
11253         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11254         Change caller.
11255         * output.cc (Output_section_headers::Output_section_headers): Add
11256         shstrtab_section parameter.  Change all callers.
11257         (Output_section_headers::do_sized_write): Store overflow values
11258         for section count and section string table section index in
11259         section header zero.
11260         (Output_file_header::do_sized_write): Check for overflow of
11261         section count and section string table section index.
11262         (Output_symtab_xindex::do_write): New function.
11263         (Output_symtab_xindex::endian_do_write): New function.
11264         * output.h (class Output_section_headers): Add shstrtab_section_.
11265         Update declarations.
11266         (class Output_symtab_xindex): Define.
11267         (Output_section::has_out_shndx): New function.
11268         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11269         field.
11270         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11271         Change all callers.
11272         (Sized_symbol::init): Likewise.
11273         (Symbol::output_section): Check for ordinary symbol.
11274         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11275         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11276         callers.
11277         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11278         Change all callers.  Simplify handling of symbols from sections
11279         not included in the link.
11280         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11281         distinction.
11282         (Weak_alias_sorter::operator()): Assert that symbols are
11283         ordinary.
11284         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11285         distinction.
11286         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11287         parameters.  Change all callers.
11288         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11289         symbol distinction.  Use SHN_XINDEX when needed.
11290         (Symbol_table::write_section_symbol): Add symtab_xindex
11291         parameter.  Change all callers.
11292         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11293         SHN_XINDEX when needed.
11294         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11295         declarations.
11296         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11297         (Symbol::is_defined): Check is_ordinary.
11298         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11299         (Symbol::is_absolute, Symbol::is_common): Likewise.
11300         (class Sized_symbol): Update declarations.
11301         (class Symbol_table): Update declarations.
11302         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11303         parameters.  Change all callers.
11304         (Sized_symbol::override): Likewise.
11305         (Symbol_table::override): Likewise.
11306         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11307         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11308         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11309         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11310         to be in an ordinary section.
11311         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11312         object and is_ordinary parameters.  Change all callers.
11313         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11314         Change all callers.  Don't add undefined or non-ordinary symbols
11315         to reloc_map_.
11316         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11317         Change all callers.
11318         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11319         declarations.
11320         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11321         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11322         (Sized_relobj::relocate_sections): Likewise.
11323         * target-reloc.h (scan_relocs): Adjust section symbol index.
11324         (scan_relocatable_relocs): Likewise.
11325         * i386.cc (Scan::local): Check for ordinary symbols.
11326         * sparc.cc (Scan::local): Likewise.
11327         * x86_64.cc (Scan::local): Likewise.
11328         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11329         to symbol_section_and_value.
11330         * testsuite/many_sections_test.cc: New file.
11331         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11332         (check_PROGRAMS): Add many_sections_test.
11333         (many_sections_test_SOURCES): Define.
11334         (many_sections_test_DEPENDENCIES): Define.
11335         (many_sections_test_LDFLAGS): Define.
11336         (BUILT_SOURCES): Add many_sections_define.h.
11337         (many_sections_define.h): New target.
11338         (BUILT_SOURCES): Add many_sections_check.h.
11339         (many_sections_check.h): New target.
11340         (check_PROGRAMS): Add many_sections_r_test.
11341         (many_sections_r_test_SOURCES): Define.
11342         (many_sections_r_test_DEPENDENCIES): Define.
11343         (many_sections_r_test_LDFLAGS): Define.
11344         (many_sections_r_test_LDADD): Define.
11345         (many_sections_r_test.o): New target.
11346         * testsuite/Makefile.in: Rebuild.
11347
11348 2008-04-17  Cary Coutant  <ccoutant@google.com>
11349
11350         * errors.cc (Errors::info): New function.
11351         (gold_info): New function.
11352         * errors.h (Errors::info): New function.
11353         * gold.h (gold_info): New function.
11354         * object.cc (Input_objects::add_object): Print trace output.
11355         * options.cc (options::parse_set): New function.
11356         (General_options::parse_wrap): Deleted.
11357         (General_options::General_options): Deleted initializer.
11358         * options.h (options::String_set): New typedef.
11359         (options::parse_set): New function.
11360         (DEFINE_set): New macro.
11361         (General_options::wrap): Changed to use DEFINE_set. Changed
11362         callers of any_wrap_symbols and is_wrap_symbol.
11363         (General_options::trace, General_options::trace_symbol):
11364         New options.
11365         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11366         (General_options::wrap_symbols_): Deleted.
11367         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11368
11369 2008-04-17  David S. Miller  <davem@davemloft.net>
11370
11371         * options.cc (General_options::parse_V): New function.
11372         * options.h: Add entries for -V and -Qy.
11373
11374 2008-04-17  Ian Lance Taylor  <iant@google.com>
11375
11376         * common.cc (Symbol_table::allocate_commons): Remove options
11377         parameter.  Change caller.
11378         (Symbol_table::do_allocate_commons): Remove options parameter.
11379         Change caller.  Just call do_allocate_commons_list twice.
11380         (Symbol_table::do_allocate_commons_list): New function, broken out
11381         of do_allocate_commons.
11382         * common.h (class Allocate_commons_task): Remove options_ field.
11383         Update constructor.
11384         * symtab.cc (Symbol_table::Symbol_table): Initialize
11385         tls_commons_.
11386         (Symbol_table::add_from_object): Put TLS common symbols on
11387         tls_commons_ list.
11388         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11389         which are IN_OUTPUT_DATA.
11390         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11391         allocate_commons and do_allocate_commons declarations.  Declare
11392         do_allocate_commons_list.
11393         * gold.cc (queue_middle_tasks): Update creation of
11394         Allocate_commons_task to not pass options.
11395         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11396         (TLS_TEST_C_FLAGS): New variable.
11397         (tls_test_c_pic.o): New target.
11398         (tls_test_shared.so): Link in tls_test_c_pic.o.
11399         (tls_test_c_pic_ie.o): New target.
11400         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11401         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11402         (tls_test_c.o): New target.
11403         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11404         (tls_pic_test_LDADD): Likewise.
11405         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11406         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11407         (tls_test_c_gnu2.o): New target.
11408         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11409         tls_test_c_gnu2.o.
11410         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11411         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11412         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11413         * testsuite/tls_test.cc: Include "config.h".
11414         (t_last): Call t11_last.
11415         * testsuite/tls_test.h (t11, t11_last): Declare.
11416         * testsuite/tls_test_c.c: New file.
11417         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11418         * configure.ac: Check for OpenMP support.
11419         * configure, config.in, Makefile.in: Rebuild.
11420         * testsuite/Makefile.in: Rebuild.
11421
11422 2008-04-16  Cary Coutant  <ccoutant@google.com>
11423
11424         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11425         (Target_i386::tls_base_symbol_defined_): New field.
11426         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11427         (Target_i386::Scan::global): Likewise.
11428         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11429         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11430         (Target_x86_64::tls_base_symbol_defined_): New field.
11431         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11432         (Target_x86_64::Scan::global): Likewise.
11433
11434 2008-04-16  Cary Coutant  <ccoutant@google.com>
11435
11436         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11437         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11438         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11439         building shared libraries.
11440         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11441         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11442         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11443         * testsuite/Makefile.in: Rebuild.
11444         * testsuite/weak_undef.h: New file.
11445         * testsuite/weak_undef_file1.cc: Add extra test cases.
11446         * testsuite/weak_undef_file2.cc: Likewise.
11447         * testsuite/weak_undef_test.cc: Likewise.
11448
11449 2008-04-16  David S. Miller  <davem@davemloft.net>
11450
11451         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11452         Add issued_non_pic_error_ field.  Declare check_non_pic.
11453         (Target_sparc::Scan::check_non_pic): New function.
11454         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11455         (Target_sparc::Scan::global): Likewise.
11456
11457         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11458         * configure: Rebuild.
11459
11460         * options.h (DEFINE_enable): New macro.
11461         (new_dtags): New enable option.
11462         (initfirst, interpose, loadfltr, nodefaultlib,
11463         nodelete, nodlopen, nodump): New -z options.
11464         * layout.cc (Layout:finish_dynamic_section): If new
11465         dtags enabled, emit DT_RUNPATH.  Also, emit a
11466         DT_FLAGS_1 containing any specified -z flags.
11467
11468 2008-04-16  Ian Lance Taylor  <iant@google.com>
11469
11470         * copy-relocs.cc: New file.
11471         * copy-relocs.h: New file.
11472         * reloc.cc: Remove Copy_relocs code.
11473         * reloc.h: Likewise.
11474         * reloc-types.h (struct Reloc_types) [both versions]: Add
11475         get_reloc_addend_noerror.
11476         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11477         variants of add_global which take an addend which must be zero.
11478         * i386.cc: Include "copy-relocs.h".
11479         (class Target_i386): Change type of copy_relocs_ to variable,
11480         update initializer.
11481         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11482         Change all callers.
11483         (Target_i386::do_finalize_sections): Change handling of
11484         copy_relocs_.
11485         * sparc.cc: Include "copy-relocs.h".
11486         (class Target_sparc): Change type of copy_relocs_ to variable,
11487         update initializer.
11488         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11489         Change all callers.
11490         (Target_sparc::do_finalize_sections): Change handling of
11491         copy_relocs_.
11492         * x86_64.cc: Include "copy-relocs.h".
11493         (class Target_x86_64): Change type of copy_relocs_ to variable,
11494         update initializer.
11495         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11496         class.  Change all callers.
11497         (Target_x86_64::do_finalize_sections): Change handling of
11498         copy_relocs_.
11499         * Makefile.am (CCFILES): Add copy-relocs.cc.
11500         (HFILES): Add copy-relocs.h.
11501
11502         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11503
11504         * testsuite/script_test_4.sh: Permit leading zeroes.
11505
11506 2008-04-15  Ian Lance Taylor  <iant@google.com>
11507
11508         * script-sections.cc (Script_sections::create_segments): Use
11509         header_size_adjustment even when there is enough room for the
11510         headers.
11511         * testsuite/script_test_4.sh: New file.
11512         * testsuite/script_test_4.t: New file.
11513         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11514         (check_DATA): Add script_test_4.stdout.
11515         (MOSTLYCLEANFILES): Likewise.
11516         (script_test_4): New target.
11517         (script_test_4.stdout): New target.
11518         * testsuite/Makefile.in: Rebuild.
11519
11520         * sparc.cc: Add definitions for Output_data_plt_sparc class
11521         constants.
11522
11523 2008-04-14  David S. Miller  <davem@davemloft.net>
11524
11525         * sparc.cc: New file.
11526         * Makefile.am (TARGETSOURCES): Add sparc.cc
11527         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11528         * configure.tgt: Document targ_extra_size and
11529         targ_extra_big_endian.  Add entries for sparc-* and
11530         sparc64-*.
11531         * configure.ac: Handle targ_extra_size and
11532         targ_extra_big_endian.
11533         * Makefile.in: Rebuild.
11534         * configure: Likewise.
11535         * po/POTFILES.in: Likewise.
11536         * po/gold.pot: Likewise.
11537
11538 2008-04-14  Ian Lance Taylor  <iant@google.com>
11539
11540         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11541         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11542         in the name/type/flags to section mapping.  Don't call
11543         allocate_output_section.
11544         (Layout::choose_output_section): Change parameter from adjust_name
11545         to is_input_section.  Don't permit input sections after sections
11546         are attached to segments.  Don't call allocate_output_section.
11547         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11548         not write_enable_output_section.
11549         (Layout::make_output_section): Don't push to
11550         unattached_section_list_ nor call attach_to_segment.  Call
11551         attach_section_to_segment if sections are attached.
11552         (Layout::attach_sections_to_segments): New function.
11553         (Layout::attach_section_to_segment): New function.
11554         (Layout::attach_allocated_section_to_segment): Rename from
11555         attach_to_segment.  Remove flags parameter.
11556         (Layout::allocate_output_section): Remove function.
11557         (Layout::write_enable_output_section): Remove function.
11558         * layout.h (class Layout): Update for above changes.  Add new
11559         field sections_are_attached_.
11560         * output.h (Output_section::update_flags_for_input_section): New
11561         function.
11562         * output.cc (Output_section::add_input_section): Call
11563         update_flags_for_input_section.
11564         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11565
11566 2008-04-11  Cary Coutant  <ccoutant@google.com>
11567
11568         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11569         thought unnecessary.
11570         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11571
11572 2008-04-11  Ian Lance Taylor  <iant@google.com>
11573
11574         * output.h (class Output_section_data): Remove inline definition
11575         of set_addralign.
11576         * output.cc (Output_section_data::set_addralign): New function.
11577
11578 2008-04-11  Cary Coutant  <ccoutant@google.com>
11579
11580         Add support for TLS descriptors for i386 and x86_64.
11581         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11582         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11583         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11584         GOT_TYPE_TLS_DESC.
11585         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11586         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11587         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11588         relocations.
11589         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11590         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11591         Fix problem with initial-exec relocations.
11592         (Target_i386::Relocate::relocate_tls): Likewise.
11593         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11594         relaxation.
11595         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11596         support for section-plus-offset dynamic table entries.
11597         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11598         (Output_data_dynamic::Dynamic_entry): Add support for
11599         section-plus-offset dynamic table entries.
11600         (Output_data_dynamic::Classification): Likewise.
11601         (Output_data_dynamic::classification_): Renamed offset_.
11602         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11603         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11604         (Target_x86_64::make_plt_section): New function.
11605         (Target_x86_64::reserve_tlsdesc_entries): New function.
11606         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11607         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11608         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11609         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11610         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11611         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11612         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11613         add extra PLT entry for TLS descriptors.
11614         (Output_data_plt_x86_64::got_): New field.
11615         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11616         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11617         fields.
11618         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11619         descriptors.
11620         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11621         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11622         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11623         R_386_TLS_DESC_CALL relocations.
11624         (Target_x86_64::Scan::global): Likewise.
11625         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11626         for TLS descriptors.
11627         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11628         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11629         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11630         GD-to-IE relaxation.
11631         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11632         and TLS_DESCRIPTORS.
11633         * Makefile.in: Rebuild.
11634         * configure: Rebuild.
11635         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11636         (tls_test_shared2.so): New target.
11637         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11638         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11639         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11640         (tls_shared_gd_to_ie_test_LDADD): New variable.
11641         (tls_shared_gnu2_gd_to_ie_test): New target.
11642         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11643         New targets.
11644         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11645         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11646         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11647         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11648         (tls_shared_gnu2_test): New target.
11649         (tls_test_gnu2_shared.so): New target.
11650         (tls_shared_gnu2_test_SOURCES): New variable.
11651         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11652         (tls_shared_gnu2_test_LDFLAGS): New variable.
11653         (tls_shared_gnu2_test_LDADD): New variable.
11654         * testsuite/Makefile.in: Rebuild.
11655         * testsuite/Makefile.
11656
11657 2008-04-11  Ian Lance Taylor  <iant@google.com>
11658
11659         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11660         justsyms.t.
11661         * testsuite/Makefile.in: Rebuild.
11662
11663         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11664         long.
11665         * testsuite/script_test_2.cc (main): Adjust test.
11666
11667 2008-04-11  David S. Miller  <davem@davemloft.net>
11668             Ian Lance Taylor  <iant@google.com>
11669
11670         * options.h (General_options): Add entries for '-Y' and
11671         '-relax'.
11672         * options.cc (General_options:finalize): If -Y was used, add those
11673         entries to the library path instead of the default "/lib" and
11674         "/usr/lib".
11675
11676 2008-04-11  David S. Miller  <davem@davemloft.net>
11677
11678         * testsuite/justsyms.t: Start at 0x100.
11679         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11680         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11681         long.
11682         * testsuite/script_test_2.cc: Adjust string and section length
11683         checks.
11684
11685 2008-04-09  Ian Lance Taylor  <iant@google.com>
11686
11687         PR gold/5996
11688         * script-sections.cc (Sections_element::allocate_to_segment): Add
11689         orphan parameter.
11690         (Output_section_definition::allocate_to_segment): Likewise.
11691         (Orphan_output_section::allocate_to_segment): Likewise.
11692         (Script_sections::attach_sections_using_phdrs_clause): Don't
11693         propagate non-PT_LOAD segments to orphan sections.
11694         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11695         readelf rather than objdump.
11696         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11697         .interp section and PT_INTERP segment are the same size.
11698         * testsuite/Makefile.in: Rebuild.
11699
11700         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11701         aliases for symbols defined in the same object.
11702         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11703         (weak_alias_test_SOURCES): New variable.
11704         (weak_alias_test_DEPENDENCIES): New variable.
11705         (weak_alias_test_LDFLAGS): New variable.
11706         (weak_alias_test_LDADD): New variable.
11707         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11708         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11709         (weak_alias_test_3.o): New target.
11710         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11711         * testsuite/weak_alias_test_main.cc: New file.
11712         * testsuite/weak_alias_test_1.cc: New file.
11713         * testsuite/weak_alias_test_2.cc: New file.
11714         * testsuite/weak_alias_test_3.cc: New file.
11715
11716 2008-04-08  Ian Lance Taylor  <iant@google.com>
11717
11718         * options.h (class General_options): Add --noinhibit-exec option.
11719         * main.cc (main): Check --noinhibit-exec.
11720
11721         * options.h (class General_options): Define --wrap as a special
11722         option.  Add wrap_symbols_ field.
11723         (General_options::any_wrap_symbols): New function.
11724         (General_options::is_wrap_symbol): New function.
11725         * options.cc (General_options::parse_wrap): New function.
11726         (General_options::General_options): Initialize wrap_symbols_.
11727         * symtab.cc (Symbol_table::wrap_symbol): New function.
11728         (Symbol_table::add_from_object): Handle --wrap.
11729         * symtab.h (class Symbol_table): Declare wrap_symbol.
11730         * target.h (Target::wrap_char): New function.
11731         (Target::Target_info): Add wrap_char field.
11732         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11733         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11734         * testsuite/testfile.cc (Target_test::test_target_info):
11735         Likewise.
11736
11737         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11738         there is one.
11739
11740         * layout.h (class Layout): Add added_eh_frame_data_ field.
11741         * layout.cc (Layout::Layout): Initialize new field.
11742         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11743         output section until we find a section we merged successfully.
11744         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11745         that the size be non-zero.
11746
11747         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11748         qualifier.
11749
11750 2008-04-08  Craig Silverstein  <csilvers@google.com>
11751
11752         * configure.ac: Export new conditional variable HAVE_ZLIB.
11753         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11754         on HAVE_ZLIB.
11755         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11756         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11757
11758 2008-04-07  Ian Lance Taylor  <iant@google.com>
11759
11760         * version.cc (version_string): Set to "1.5".
11761
11762         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11763         Add issued_non_pic_error_ field.  Declare check_non_pic.
11764         (Target_x86_64::Scan::check_non_pic): New function.
11765         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11766         (Target_x86_64::Scan::global): Likewise.
11767
11768         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11769         addend parameter.  Change caller.  Handle merge sections.
11770         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11771         Address to Addend.  Don't add in the result of
11772         local_section_offset, pass down the addend and use the returned
11773         value.
11774         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11775         Update declarations of local_section_offset and symbol_value.
11776         * testsuite/two_file_test_1.cc (t18): New function.
11777         * testsuite/two_file_test_2.cc (f18): New function.
11778         * testsuite/two_file_test_main.cc (main): Call t18.
11779         * testsuite/two_file_test.h (t18, f18): Declare.
11780
11781         * configure.ac: Don't test for objdump, c++filt, or readelf.
11782         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11783         conditionals.
11784         (TEST_READELF): New variable.
11785         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11786         (check_PROGRAMS): Add two_file_strip_test.
11787         (two_file_strip_test): New target.
11788         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11789         (two_file_same_shared_strip_test_SOURCES): New variable.
11790         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11791         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11792         (two_file_same_shared_strip_test_LDADD): New variable.
11793         (two_file_shared_strip.so): New target.
11794         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11795         (ver_test_5.syms, ver_test_7.syms): Likewise.
11796         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11797         (strip_test_3.stdout): Use TEST_OBJDUMP.
11798         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11799
11800 2008-04-04  Cary Coutant  <ccoutant@google.com>
11801
11802         * symtab.h (Symbol::is_weak_undefined): New function.
11803         (Symbol::is_strong_undefined): New function.
11804         (Symbol::is_absolute): New function.
11805         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11806         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11807         absolute symbols.
11808         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11809         (weak_undef_test): New target.
11810         * testsuite/Makefile.in: Rebuild.
11811         * testsuite/weak_undef_file1.cc: New file.
11812         * testsuite/weak_undef_file2.cc: New file.
11813         * testsuite/weak_undef_test.cc: New file.
11814
11815 2008-04-03  Craig Silverstein  <csilvers@google.com>
11816
11817         * compressed_output.h (class Output_compressed_section): Use
11818         unsigned buffer.
11819         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11820         add zlib header.
11821         (zlib_compressed_suffix): Removed.
11822         (Output_compressed_section::set_final_data_size): Use unsigned
11823         buffers.
11824         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11825         Fix linker invocation.
11826         (flagstest_o_specialfile_and_compress_debug_sections):
11827         Likewise.
11828         * testsuite/Makefile.in: Regenerated.
11829
11830 2008-04-02  David S. Miller  <davem@davemloft.net>
11831
11832         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11833         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11834
11835 2008-04-02  Craig Silverstein  <csilvers@google.com>
11836
11837         * TODO: New file.
11838
11839 2008-04-02  Ian Lance Taylor  <iant@google.com>
11840
11841         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11842         parameters.  Update for new key type to views_.  Change all
11843         callers.
11844         (File_read::read): Adjust for byteshift in returned view.
11845         (File_read::add_view): New function, broken out of
11846         find_and_make_view.
11847         (File_read::make_view): New function, broken out of
11848         find_and_make_view.
11849         (File_read::find_or_make_view): Add offset and aligned
11850         parameters.  Rewrite accordingly.  Change all callers.
11851         (File_read::get_view): Add offset and aligned parameters.  Adjust
11852         for byteshift in return value.
11853         (File_read::get_lasting_view): Likewise.
11854         * fileread.h (class File_read): Update declarations.
11855         (class File_read::View): Add byteshift_ field.  Add byteshift to
11856         constructor.  Add byteshift method.
11857         * archive.h (Archive::clear_uncached_views): New function.
11858         (Archive::get_view): Add aligned parameter.  Change all callers.
11859         * object.h (Object::get_view): Add aligned parameter.  Change all
11860         callers.
11861         (Object::get_lasting_view): Likewise.
11862
11863         * fileread.cc (File_read::release): Don't call clear_views if
11864         there are multiple objects.
11865         * fileread.h (File_read::clear_uncached_views): New function.
11866         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11867         on the archive.
11868
11869 2008-03-31  Cary Coutant  <ccoutant@google.com>
11870
11871         Add thin archive support.
11872         * archive.cc (Archive::armagt): New const.
11873         (Archive::setup): Remove task parameter and calls to unlock.
11874         (Archive::unlock_nested_archives): New function.
11875         (Archive::read_header): Add nested_off parameter. Change
11876         all callers.
11877         (Archive::interpret_header): Likewise.
11878         (Archive::include_all_members): Change to handle thin
11879         archives.
11880         (Archive::include_member): Likewise.
11881         * archive.h (Archive::Archive): Add new parameters and
11882         initializers.
11883         (Archive::armagt): New const.
11884         (Archive::setup): Remove task parameter.
11885         (Archive::unlock_nested_archives): New function.
11886         (Archive::read_header): Add nested_off parameter.
11887         (Archive::interpret_header): Likewise.
11888         (Archive::Nested_archive_table): New typedef.
11889         (Archive::is_thin_archive_): New field.
11890         (Archive::nested_archives_): New field.
11891         (Archive::options_): New field.
11892         (Archive::dirpath_): New field.
11893         (Archive::task_): New field.
11894         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11895         for thin archives.  Pass additional parameters to
11896         Archive::Archive.  Unlock the archive file after calling
11897         Archive::setup.
11898
11899 2008-03-29  Ian Lance Taylor  <iant@google.com>
11900
11901         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11902         version symbol to be local.
11903         * testsuite/ver_test_4.sh: New file.
11904         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11905         (check_DATA): Add ver_test_4.syms.
11906         (ver_test_4.syms): New target.
11907         * testsuite/Makefile.in: Rebuild.
11908
11909         * output.cc
11910         (Output_section::Input_section_sort_entry::has_priority): New
11911         function.
11912         (Output_section::Input_section_sort_entry::match_file_name): New
11913         function.
11914         (Output_section::Input_section_sort_entry::match_section_name):
11915         Remove.
11916         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11917         Remove.
11918         (Output_section::Input_section_sort_entry::match_section_file):
11919         Remove.
11920         (Output_section::Input_section_sort_compare::operator()): Rewrite
11921         using new Input_section_sort_entry functions.  Sort crtbegin and
11922         crtend first.  Sort sections with no priority before sections with
11923         a priority.
11924         * testsuite/initpri1.c (d3): Check j != 4.
11925         (cd5): New constructor/destructor function.
11926         (main): Check j != 2.
11927
11928         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11929         new symbol when resolving, don't call set_is_default.
11930         * testsuite/ver_test_7.cc: New file.
11931         * testsuite/ver_test_7.sh: New file.
11932         * testsuite/Makefile.am (ver_test_7.so): New target.
11933         (ver_test_7.o): New target.
11934         (check_SCRIPTS): Add ver_test_7.sh.
11935         (check_DATA): Add ver_test_7.syms.
11936         (ver_test_7.syms): New target.
11937
11938 2008-03-28  Ian Lance Taylor  <iant@google.com>
11939
11940         * layout.cc (Layout::layout): If we see an input section with a
11941         name that needs sorting, set the must_sort flag for the output
11942         section.
11943         (Layout::make_output_section): If the name of the output section
11944         indicates that it might require sorting, set the may_sort flag.
11945         * output.h (Output_section::may_sort_attached_input_sections): New
11946         function.
11947         (Output_section::set_may_sort_attached_input_sections): New
11948         function.
11949         (Output_section::must_sort_attached_input_sections): New
11950         function.
11951         (Output_section::set_must_sort_attached_input_sections): New
11952         function.
11953         (class Output_section): Declare Input_section_sort_entry.  Define
11954         Input_section_sort_compare.  Declare
11955         sort_attached_input_sections.  Add new fields:
11956         may_sort_attached_input_sections_,
11957         must_sort_attached_input_sections_,
11958         attached_input_sections_are_sorted_.
11959         * output.cc (Output_section::Output_section): Initialize new
11960         fields.
11961         (Output_section::add_input_section): Add an entry to
11962         input_sections_ if may_sort or must_sort are true.
11963         (Output_section::set_final_data_size): Call
11964         sort_attached_input_sections if necessary.
11965         (Output_section::Input_section_sort_entry): Define new class.
11966         (Output_section::Input_section_sort_compare::operator()): New
11967         function.
11968         (Output_section::sort_attached_input_sections): New function.
11969         * configure.ac: Check whether the compiler supports constructor
11970         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11971         * testsuite/initpri1.c: New file.
11972         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11973         CONSTRUCTOR_PRIORITY.
11974         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11975         (initpri1_LDFLAGS): New variable.
11976         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11977
11978 2008-03-27  Ian Lance Taylor  <iant@google.com>
11979
11980         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11981         * testsuite/common_test_1.c: New file.
11982         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11983         (common_test_1_SOURCES): New variable.
11984         (common_test_1_DEPENDENCIES): New variable.
11985         (common_test_1_LDFLAGS): New variable.
11986
11987         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11988         and commons_ correctly when NAME/VERSION does not override
11989         NAME/NULL.
11990         * testsuite/ver_test_6.c: New file.
11991         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11992         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11993         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11994
11995 2008-03-26  Ian Lance Taylor  <iant@google.com>
11996
11997         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11998         of an undefined symbol from a version script.
11999         * testsuite/Makefile.am (ver_test_5.so): New target.
12000         (ver_test_5.o): New target.
12001         (check_SCRIPTS): Add ver_test_5.sh.
12002         (check_DATA): Add ver_test_5.syms.
12003         (ver_test_5.syms): New target.
12004         * testsuite/ver_test_5.cc: New file.
12005         * testsuite/ver_test_5.script: New file.
12006         * testsuite/ver_test_5.sh: New file.
12007         * Makefile.in, testsuite/Makefile.in: Rebuild.
12008
12009         PR gold/5986
12010         Fix problems building gold with gcc 4.3.0.
12011         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12012         (gold_error_at_location, gold_warning_at_location): Use it.
12013         * configure.ac: Check whether we can compile and use a template
12014         function with a printf attribute.
12015         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12016         when jumping over bytes.
12017         * object.cc: Instantiate Object::read_section_data.
12018         * debug.h: Include <cstring>
12019         * dwarf_reader.cc: Include <algorithm>
12020         * main.cc: Include <cstring>.
12021         * options.cc: Include <cstring>.
12022         * output.cc: Include <cstring>.
12023         * script.cc: Include <cstring>.
12024         * script.h: Include <string>.
12025         * symtab.cc: Include <cstring> and <algorithm>.
12026         * target-select.cc: Include <cstring>.
12027         * version.cc: Include <string>.
12028         * testsuite/testmain.cc: Include <cstdlib>.
12029         * configure, config.in: Rebuild.
12030
12031 2008-03-25  Ian Lance Taylor  <iant@google.com>
12032
12033         * options.cc: Include "../bfd/bfdver.h".
12034         (options::help): Print bug reporting address.
12035
12036         * version.cc (print_version): Adjust output for current value of
12037         BFD_VERSION_STRING.
12038
12039         * NEWS: New file.
12040
12041         * options.cc (options::help): Print list of supported targets.
12042         * target-select.h: Include <vector>.
12043         (class Target_selector): Make machine_, size_, and is_big_endian_
12044         fields const.  Add bfd_name_ and instantiated_target_ fields.
12045         (Target_selector::Target_selector): Add bfd_name parameter.
12046         (Target_selector::recognize): Make non-virtual, call
12047         do_recognize.
12048         (Target_selector::recognize_by_name): Make non-virtual, call
12049         do_recognize_by_name.
12050         (Target_selector::supported_names): New function.
12051         (Target_selector::bfd_name): New function.
12052         (Target_selector::do_instantiate_target): New pure virtual
12053         function.
12054         (Target_selector::do_recognize): New virtual function.
12055         (Target_selector::do_recognize_by_name): New virtual function.
12056         (Target_selector::instantiate_target): New private function.
12057         (supported_target_names): Declare.
12058         * target-select.cc (Target_selector::Target_selector): Update for
12059         new parameter and fields.
12060         (select_target_by_name): Check that the name matches before
12061         calling recognize_by_name.
12062         (supported_target_names): New function.
12063         * i386.cc (class Target_selector_i386): Update Target_selector
12064         constructor call.  Remove recognize and recognize_by_name.  Add
12065         do_instantiate_target.
12066         * x86_64.cc (class Target_selector_x86_64): Likewise.
12067         * testsuite/testfile.cc (class Target_selector_test): Update for
12068         changes to Target_selector.
12069
12070         * README: Rewrite, with some notes on unsupported features.
12071
12072 2008-03-24  Cary Coutant  <ccoutant@google.com>
12073
12074         * i386.cc (Target_i386::Got_type): New enum declaration.
12075         (Target_i386::Scan::local): Updated callers of Output_data_got
12076         member functions.
12077         (Target_i386::Scan::global): Likewise.
12078         (Target_i386::Relocate::relocate): Likewise.
12079         (Target_i386::Relocate::relocate_tls): Likewise.
12080         * object.h (Got_offset_list): New class.
12081         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12082         (Sized_relobj::local_got_offset): Likewise.
12083         (Sized_relobj::set_local_got_offset): Likewise.
12084         (Sized_relobj::local_has_tls_got_offset): Removed.
12085         (Sized_relobj::local_tls_got_offset): Removed.
12086         (Sized_relobj::set_local_tls_got_offset): Removed.
12087         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12088         * output.cc (Output_data_got::add_global): Added got_type parameter.
12089         (Output_data_got::add_global_with_rel): Likewise.
12090         (Output_data_got::add_global_with_rela): Likewise.
12091         (Output_data_got::add_global_pair_with_rel): New function.
12092         (Output_data_got::add_global_pair_with_rela): New function.
12093         (Output_data_got::add_local): Added got_type parameter.
12094         (Output_data_got::add_local_with_rel): Likewise.
12095         (Output_data_got::add_local_with_rela): Likewise.
12096         (Output_data_got::add_local_pair_with_rel): New function.
12097         (Output_data_got::add_local_pair_with_rela): New function.
12098         (Output_data_got::add_global_tls): Removed.
12099         (Output_data_got::add_global_tls_with_rel): Removed.
12100         (Output_data_got::add_global_tls_with_rela): Removed.
12101         (Output_data_got::add_local_tls): Removed.
12102         (Output_data_got::add_local_tls_with_rel): Removed.
12103         (Output_data_got::add_local_tls_with_rela): Removed.
12104         * output.h (Output_data_got::add_global): Added got_type parameter.
12105         (Output_data_got::add_global_with_rel): Likewise.
12106         (Output_data_got::add_global_with_rela): Likewise.
12107         (Output_data_got::add_global_pair_with_rel): New function.
12108         (Output_data_got::add_global_pair_with_rela): New function.
12109         (Output_data_got::add_local): Added got_type parameter.
12110         (Output_data_got::add_local_with_rel): Likewise.
12111         (Output_data_got::add_local_with_rela): Likewise.
12112         (Output_data_got::add_local_pair_with_rel): New function.
12113         (Output_data_got::add_local_pair_with_rela): New function.
12114         (Output_data_got::add_global_tls): Removed.
12115         (Output_data_got::add_global_tls_with_rel): Removed.
12116         (Output_data_got::add_global_tls_with_rela): Removed.
12117         (Output_data_got::add_local_tls): Removed.
12118         (Output_data_got::add_local_tls_with_rel): Removed.
12119         (Output_data_got::add_local_tls_with_rela): Removed.
12120         * resolve.cc (Symbol::override_base_with_special): Removed
12121         reference to has_got_offset_ field.
12122         * symtab.cc (Symbol::init_fields): Replaced initialization
12123         of got_offset_ with got_offsets_.  Removed initialization
12124         of has_got_offset_
12125         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12126         (Symbol::got_offset): Likewise.
12127         (Symbol::set_got_offset): Likewise.
12128         (Symbol::has_tls_got_offset): Removed.
12129         (Symbol::tls_got_offset): Removed.
12130         (Symbol::set_tls_got_offset): Removed.
12131         (Symbol::got_offset_): Removed.
12132         (Symbol::tls_mod_got_offset_): Removed.
12133         (Symbol::tls_pair_got_offset_): Removed.
12134         (Symbol::got_offsets_): New field.
12135         (Symbol::has_got_offset): Removed.
12136         (Symbol::has_tls_mod_got_offset): Removed.
12137         (Symbol::has_tls_pair_got_offset): Removed.
12138         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12139         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12140         member functions.
12141         (Target_x86_64::Scan::global): Likewise.
12142         (Target_x86_64::Relocate::relocate): Likewise.
12143         (Target_x86_64::Relocate::relocate_tls): Likewise.
12144
12145 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12146
12147         * yyscript.y: Fix spelling error in comment.
12148
12149 2008-03-24  Ian Lance Taylor  <iant@google.com>
12150
12151         * options.h (class General_options): Define build_id option.
12152         * layout.h (class Layout): Declare write_build_id, create_note,
12153         create_build_id.  Add build_id_note_ member.
12154         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12155         "libiberty.h", "md5.h", "sha1.h".
12156         (Layout::Layout): Initialize eh_frame_data_,
12157         eh_frame_hdr_section_, and build_id_note_.
12158         (Layout::finalize): Call create_build_id.
12159         (Layout::create_note): New function, broken out of
12160         Layout::create_gold_note.
12161         (Layout::create_gold_note): Call create_note.
12162         (Layout::create_build_id): New function.
12163         (Layout::write_build_id): New function.
12164         (Close_task_runner::run): Call write_build_id.
12165
12166         * x86_64.cc: Correct license to GPLv3.
12167
12168 2008-03-23  Ian Lance Taylor  <iant@google.com>
12169
12170         * options.cc: Include "demangle.h".
12171         (parse_optional_string): New function.
12172         (parse_long_option): Handle takes_optional_argument.
12173         (parse_short_option): Update dash_z initializer.  Handle
12174         takes_optional_argument.
12175         (General_options::General_options): Initialize do_demangle_.
12176         (General_options::finalize): Set do_demangle_.  Handle demangling
12177         style.
12178         * options.h (parse_optional_string): Declare.
12179         (struct One_option): Add optional_arg field.  Update constructor.
12180         Update call constructor calls.  Add takes_optional_argument
12181         function.
12182         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12183         (DEFINE_optional_string): Define.
12184         (General_options::demangle): Change from DEFINE_bool to
12185         DEFINE_optional_string.
12186         (General_options::no_demangle): New function.
12187         (General_options::do_demangle): New function.
12188         (General_options::set_do_demangle): New function.
12189         (General_options::execstack_status_): Move definition to end of
12190         class definition.
12191         (General_options::static_): Likewise.
12192         (General_options::do_demangle_): New field.
12193         * object.cc (big_endian>::get_symbol_location_info): Call
12194         Options::do_demangle, not Options::demangle.
12195         * symtab.cc (demangle): Likewise.
12196
12197 2008-03-22  Ian Lance Taylor  <iant@google.com>
12198
12199         * gold.h: Include <cstddef> and <sys/types.h>
12200         * options.h: Include <cstring>.
12201
12202 2008-03-21  Ian Lance Taylor  <iant@google.com>
12203
12204         * Added source code to GNU binutils.