gold/ChangeLog

   1 2011-10-18  Cary Coutant  <ccoutant@google.com>
   2
   3         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
   4         (Output_file::map_no_anonymous): Check for non-zero
   5         return code from posix_fallocate.
   6
   7 2011-10-17  Cary Coutant  <ccoutant@google.com>
   8
   9         PR gold/13245
  10         * plugin.cc (is_visible_from_outside): Check for symbols
  11         referenced from dynamic objects.
  12         * resolve.cc (Symbol_table::resolve): Don't count references
  13         from dynamic objects as references from real ELF files.
  14         * testsuite/plugin_test_2.sh: Adjust expected result.
  15
  16 2011-10-17  Cary Coutant  <ccoutant@google.com>
  17
  18         * gold.cc: Include timer.h.
  19         (queue_middle_tasks): Stamp time.
  20         (queue_final_tasks): Likewise.
  21         * main.cc (main): Store timer in parameters.  Print timers
  22         for each pass.
  23         * parameters.cc (Parameters::Parameters): Initialize timer_.
  24         (Parameters::set_timer): New function.
  25         (set_parameters_timer): New function.
  26         * parameters.h (Parameters::set_timer): New function.
  27         (Parameters::timer): New function.
  28         (Parameters::timer_): New data member.
  29         (set_parameters_timer): New function.
  30         * timer.cc (Timer::stamp): New function.
  31         (Timer::get_pass_time): New function.
  32         * timer.h (Timer::stamp): New function.
  33         (Timer::get_pass_time): New function.
  34         (Timer::pass_times_): New data member.
  35
  36 2011-10-17  Cary Coutant  <ccoutant@google.com>
  37
  38         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
  39         task for members of lib groups.
  40
  41 2011-10-17  Cary Coutant  <ccoutant@google.com>
  42
  43         PR gold/13288
  44         * fileread.cc (File_read::find_view): Add assert.
  45         (File_read::make_view): Move bounds check (replace with assert)...
  46         (File_read::find_or_make_view): ... to here.
  47
  48 2011-10-12  Cary Coutant  <ccoutant@google.com>
  49
  50         * output.cc (Output_file::open_base_file): Handle case where
  51         ::read returns less than requested size.
  52
  53 2011-10-10  Cary Coutant  <ccoutant@google.com>
  54
  55         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
  56         Initialize defined_count_.
  57         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
  58         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
  59         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
  60         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
  61         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
  62         * incremental.h (Sized_relobj_incr::defined_count_): New data
  63         member.
  64         (Sized_incr_dynobj::defined_count_): New data member.
  65         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
  66         Return zeroes instead of internal error.
  67
  68 2011-10-10  Cary Coutant  <ccoutant@google.com>
  69
  70         PR gold/13249
  71         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
  72         (Output_reloc::symbol_value): Return PLT offset if flag is set.
  73         * output.h (class Output_reloc): Add use_plt_offset flag.
  74         (Output_reloc::type_): Adjust size of bit field.
  75         (Output_reloc::use_plt_offset_): New bit field.
  76         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
  77         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
  78         flag.  Adjust all callers.
  79         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
  80         creating RELATIVE relocations.
  81
  82 2011-10-10  Nick Clifton  <nickc@redhat.com>
  83
  84         * po/es.po: Updated Spanish translation.
  85         * po/fi.po: Updated Finnish translation.
  86
  87 2011-10-03   Diego Novillo  <dnovillo@google.com>
  88
  89         * options.cc (parse_uint): Fix dereference of RETVAL.
  90
  91 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
  92
  93         * layout.h (section_order_map_): New member.
  94         (get_section_order_map): New member function.
  95         * output.cc (Output_section::add_input_section): Check for patterns
  96         only when --section-ordering-file is specified.
  97         * gold.cc (queue_middle_tasks): Delay updating order of sections till
  98         output_sections have been formed.
  99         * layout.cc (Layout_Layout): Initialize section_order_map_.
 100         * plugin.cc (update_section_order): Store order in order_map. Do not
 101         update the order.
 102         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 103         * testsuite/Makefile.in: Regenerate.
 104         * testsuite/plugin_section_order.c: New file.
 105         * testsuite/plugin_final_layout.cc: New file.
 106         * testsuite/plugin_final_layout.sh: New file.
 107
 108 2011-09-29  Cary Coutant  <ccoutant@google.com>
 109
 110         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 111         Check for NULL.
 112         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 113         symbols during incremental update.
 114         (Symbol_table::add_from_dynobj): Likewise.
 115
 116 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 117             Ian Lance Taylor  <iant@google.com>
 118
 119         * symtab.cc (Symbol_table::define_special_symbol): Always
 120         canonicalize version string.
 121
 122 2011-09-26  Cary Coutant  <ccoutant@google.com>
 123
 124         * gold.cc (queue_initial_tasks): Move option checks ...
 125         * options.cc (General_options::finalize): ... to here. Disable
 126         some options; make others fatal.
 127
 128 2011-09-26  Cary Coutant  <ccoutant@google.com>
 129
 130         gcc PR lto/47247
 131         * plugin.cc (get_symbols_v2): New function.
 132         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 133         (is_referenced_from_outside): New function.
 134         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 135         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 136         (get_symbols): Pass version parameter.
 137         (get_symbols_v2): New function.
 138         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 139         parameter.
 140         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 141         (onload): Add LDPT_GET_SYMBOLS_V2.
 142         (all_symbols_read_hook): Use get_symbols_v2; check for
 143         LDPR_PREVAILING_DEF_IRONLY_EXP.
 144         * testsuite/plugin_test_3.sh: Update expected results.
 145
 146 2011-09-23  Simon Baldwin  <simonb@google.com>
 147
 148         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 149         configuration options.
 150         * configure: Regenerate.
 151         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 152         * Makefile.in: Regenerate.
 153         * testsuite/Makefile.in: Regenerate.
 154
 155 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 156
 157         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 158
 159 2011-09-19  Cary Coutant  <ccoutant@google.com>
 160
 161         * incremental.cc (can_incremental_update): Fix typo in comment.
 162         * incremental.h (can_incremental_update): Likewise.
 163
 164 2011-09-18  Cary Coutant  <ccoutant@google.com>
 165
 166         * incremental.cc (can_incremental_update): New function.
 167         * incremental.h (can_incremental_update): New function.
 168         * layout.cc (Layout::init_fixed_output_section): Call it.
 169         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 170         * object.cc (Sized_relobj_file::do_layout): Call
 171         can_incremental_update.
 172
 173 2011-09-13  Cary Coutant  <ccoutant@google.com>
 174
 175         * configure.ac: Check for glibc support for gnu_indirect_function
 176         support with static linking, setting automake conditional
 177         IFUNC_STATIC.
 178         * Makefile.in: Regenerate.
 179         * configure: Regenerate.
 180
 181         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 182         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 183         for IFUNC_STATIC.
 184         * testsuite/Makefile.in: Regenerate.
 185
 186 2011-09-13  Cary Coutant  <ccoutant@google.com>
 187
 188         * incremental.cc (Sized_relobj_incr::do_layout): Call
 189         report_comdat_group for kept comdat sections.
 190         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 191         * testsuite/Makefile.in: Regenerate.
 192         * testsuite/incr_comdat_test_1.cc: New source file.
 193         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 194         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 195         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 196
 197 2011-09-13  Ian Lance Taylor  <iant@google.com>
 198
 199         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 200         variable external_symbols_offset.
 201
 202 2011-09-12  Ian Lance Taylor  <iant@google.com>
 203
 204         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 205         triggered if object has no symbols.
 206
 207 2011-09-09  David S. Miller  <davem@davemloft.net>
 208
 209         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 210         (Output_fill_debug_line::do_write): Likewise.
 211
 212 2011-08-29  Cary Coutant  <ccoutant@google.com>
 213
 214         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 215         casts to match formatting specs.
 216         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 217
 218 2011-08-26  Cary Coutant  <ccoutant@google.com>
 219
 220         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 221         remaining hole size when allocating.
 222         (Layout::make_output_section): Set fill methods for debug sections.
 223         * layout.h (Free_list::Free_list_node): Move from private to
 224         public.
 225         (Free_list::set_min_hole_size): New function.
 226         (Free_list::begin, Free_list::end): New functions.
 227         (Free_list::min_hole_): New data member.
 228         * output.cc: Include dwarf.h.
 229         (Output_fill_debug_info::do_minimum_hole_size): New function.
 230         (Output_fill_debug_info::do_write): New function.
 231         (Output_fill_debug_line::do_minimum_hole_size): New function.
 232         (Output_fill_debug_line::do_write): New function.
 233         (Output_section::Output_section): Initialize new data member.
 234         (Output_section::set_final_data_size): Ensure patch space is larger
 235         than minimum hole size.
 236         (Output_section::do_write): Fill holes in debug sections.
 237         * output.h (Output_fill): New class.
 238         (Output_fill_debug_info): New class.
 239         (Output_fill_debug_line): New class.
 240         (Output_section::set_free_space_fill): New function.
 241         (Output_section::free_space_fill_): New data member.
 242         * testsuite/Makefile.am (incremental_test_3): Add
 243         --incremental-patch option.
 244         (incremental_test_4): Likewise.
 245         (incremental_test_5): Likewise.
 246         (incremental_test_6): Likewise.
 247         (incremental_copy_test): Likewise.
 248         (incremental_common_test_1): Likewise.
 249         * testsuite/Makefile.in: Regenerate.
 250
 251 2011-08-26  Nick Clifton  <nickc@redhat.com>
 252
 253         * po/es.po: Updated Spanish translation.
 254
 255 2011-08-01  Cary Coutant  <ccoutant@google.com>
 256
 257         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 258         * gold/testsuite/Makefile.in: Regenerate.
 259         * gold/testsuite/justsyms_exec.c: New source file.
 260         * gold/testsuite/justsyms_lib.c: New source file.
 261
 262 2011-08-01  Cary Coutant  <ccoutant@google.com>
 263
 264         * layout.cc (Layout::set_segment_offsets): Don't realign text
 265         segment if -Ttext was specified.
 266         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 267         file type.
 268         * object.h (Sized_relobj_file::e_type): New function.
 269         (Sized_relobj_file::e_type_): New data member.
 270         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 271         base address for ET_EXEC files.
 272         * target.cc (Target::do_make_elf_object_implementation): Allow
 273         ET_EXEC files with --just-symbols option.
 274
 275 2011-07-28  Cary Coutant  <ccoutant@google.com>
 276
 277         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 278         Add thread_number parameter.
 279         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 280         * workqueue-threads.cc
 281         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 282         current thread if its thread number is greater than desired thread
 283         count.
 284         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 285         Add thread_number parameter.
 286         (Workqueue::should_cancel_thread): Likewise.
 287         (Workqueue::find_runnable_or_wait): Pass thread_number to
 288         should_cancel_thread.
 289         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 290         parameter.
 291
 292 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 293
 294         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 295         only after checking if it cannot be forced local.
 296         * symtab.h (is_externally_visible): Check if the symbol is not forced
 297         local.
 298
 299 2011-07-15  Ian Lance Taylor  <iant@google.com>
 300
 301         * options.h (class General_options): Add --print-output-format.
 302         Move -EL next to -EB, for  better --help output.
 303         * target-select.cc: Include <cstdio>, "options.h", and
 304         "parameters.h".
 305         (Target_selector::do_target_bfd_name): New function.
 306         (print_output_format): New function.
 307         * target-select.h (class Target_selector): Update declarations.
 308         (Target_selector::target_bfd_name): New function.
 309         (print_output_format): Declare.
 310         * main.cc: Include "target-select.h".
 311         (main): Handle --print-output-format.
 312         * gold.cc: Include "target-select.h".
 313         (queue_initial_tasks): Handle --print-output-format when there are
 314         no input files.
 315         * parameters.cc (parameters_force_valid_target): Give a better
 316         error message if -EB/-EL does not match target.
 317         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 318         function.
 319
 320 2011-07-15  Ian Lance Taylor  <iant@google.com>
 321
 322         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 323         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 324         (Output_data_plt_i386::do_write): Write address of .dynamic
 325         section to first entry in .got.plt section.
 326         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 327         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 328         Initialize layout_.
 329         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 330         section to first entry in .got.plt section.
 331         * layout.h (Layout::dynamic_section): New function.
 332
 333 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 334
 335         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 336         to claim_file call.
 337         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 338         input_section_position_, and input_section_glob_.
 339         (read_layout_from_file): Call function section_ordering_specified.
 340         * layout.h (is_section_ordering_specified): New function.
 341         (section_ordering_specified): New function.
 342         (section_ordering_specified_): New boolean member.
 343         * main.cc(main): Call load_plugins after layout object is defined.
 344         * output.cc (Output_section::add_input_section): Use
 345         function section_ordering_specified to check if section ordering is
 346         needed.
 347         * output.cc (Output_section::add_relaxed_input_section): Use
 348         function section_ordering_specified to check if section ordering is
 349         needed.
 350         (Output_section::update_section_layout): New function.
 351         (Output_section::sort_attached_input_sections): Check if input section
 352         must be reordered.
 353         * output.h (Output_section::update_section_layout): New function.
 354         * plugin.cc (get_section_count): New function.
 355         (get_section_type): New function.
 356         (get_section_name): New function.
 357         (get_section_contents): New function.
 358         (update_section_order): New function.
 359         (allow_section_ordering): New function.
 360         (Plugin::load): Add the new interfaces to the transfer vector.
 361         (Plugin_manager::load_plugins): New parameter.
 362         (Plugin_manager::all_symbols_read): New parameter.
 363         (Plugin_manager::claim_file): New parameter. Save the elf object for
 364         unclaimed objects.
 365         (Plugin_manager::get_elf_object): New function.
 366         (Plugin_manager::get_view): Change to directly use the bool to check
 367         if get_view is called from claim_file_hook.
 368         * plugin.h (input_objects): New function
 369         (Plugin__manager::load_plugins): New parameter.
 370         (Plugin_manager::claim_file): New parameter.
 371         (Plugin_manager::get_elf_object): New function.
 372         (Plugin_manager::in_claim_file_handler): New function.
 373         (Plugin_manager::in_claim_file_handler_): New member.
 374         (layout): New function.
 375         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 376         handler with an extra parameter. Make the elf object before calling
 377         claim_file handler.
 378         * testsuite/plugin_test.c (get_section_count): New function pointer.
 379         (get_section_type): New function pointer.
 380         (get_section_name): New function pointer.
 381         (get_section_contents): New function pointer.
 382         (update_section_order): New function pointer.
 383         (allow_section_ordering): New function pointer.
 384         (onload): Check if the new interfaces exist.
 385
 386 2011-07-13  Ian Lance Taylor  <iant@google.com>
 387
 388         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 389         relro section.
 390         * x86_64.cc (Target_x86_64::got_section): Likewise.
 391         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 392         (relro_now_test_SOURCES): New variable.
 393         (relro_now_test_DEPENDENCIES): New variable.
 394         (relro_now_test_LDFLAGS): New variable.
 395         (relro_now_test_LDADD): New variable.
 396         (relro_now_test.so): New target.
 397         * testsuite/Makefile.in: Rebuild.
 398
 399 2011-07-12  Ian Lance Taylor  <iant@google.com>
 400
 401         PR gold/12980
 402         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 403         GLOB_DAT relocation rather than a RELATIVE relocation for a
 404         protected symbol when creating a shared library.
 405         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 406         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 407         * testsuite/protected_main_1.cc (main): Test that protected
 408         function has same address.
 409
 410 2011-07-11  Ian Lance Taylor  <iant@google.com>
 411
 412         PR gold/12979
 413         * options.h (class General_options): Add -Bgroup.
 414         * options.cc (General_options::finalize): If -Bgroup is set,
 415         default to --unresolved-symbols=report-all.
 416         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 417         * target-reloc.h (issue_undefined_symbol_error): Handle
 418         --unresolved-symbols=report-all.
 419
 420 2011-07-08  Ian Lance Taylor  <iant@google.com>
 421
 422         PR gold/11985
 423         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 424         if linker script discards key sections.
 425         (Layout::create_dynamic_symtab): Likewise.
 426         (Layout::assign_local_dynsym_offsets): Likewise.
 427         (Layout::sized_create_version_sections): Likewise.
 428         (Layout::create_interp): Likewise.
 429         (Layout::finish_dynamic_section): Likewise.
 430         (Layout::set_dynamic_symbol_size): Likewise.
 431
 432 2011-07-08  Ian Lance Taylor  <iant@google.com>
 433
 434         PR gold/12386
 435         * options.h (class General_options): Add --unresolved-symbols.
 436         * target-reloc.h (issue_undefined_symbol_error): Check
 437         --unresolved-symbols.  Add comments.
 438
 439 2011-07-08  Ian Lance Taylor  <iant@google.com>
 440
 441         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 442         expression more complex.
 443
 444 2011-07-08  Ian Lance Taylor  <iant@google.com>
 445
 446         PR gold/11317
 447         * target-reloc.h (issue_undefined_symbol_error): New inline
 448         function, broken out of relocate_section.
 449         (relocate_section): Call issue_undefined_symbol_error.
 450         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 451         there is no TLS segment if we are about to issue an undefined
 452         symbol error.
 453         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 454
 455 2011-07-08  Ian Lance Taylor  <iant@google.com>
 456
 457         PR gold/12279
 458         * resolve.cc (Symbol_table::should_override): Add fromtype
 459         parameter.  Change all callers.  Give error when linking together
 460         TLS and non-TLS symbol.
 461         (Symbol_table::should_override_with_special): Add fromtype
 462         parameter.  Change all callers.
 463         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 464         there is no TLS segment if we have reported some errors.
 465         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 466
 467 2011-07-08  Ian Lance Taylor  <iant@google.com>
 468
 469         PR gold/12372
 470         * target.h (Target::plt_address_for_global): New function.
 471         (Target::plt_address_for_local): New function.
 472         (Target::plt_section_for_global): Remove.
 473         (Target::plt_section_for_local): Remove.
 474         (Target::do_plt_address_for_global): New virtual function.
 475         (Target::do_plt_address_for_local): New virtual function.
 476         (Target::do_plt_section_for_global): Remove.
 477         (Target::do_plt_section_for_local): Remove.
 478         (Target::register_global_plt_entry): Add Symbol_table and Layout
 479         parameters.
 480         * output.cc (Output_data_got::Got_entry::write): Use
 481         plt_address_for_global and plt_address_for_local.
 482         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 483         address of output section.
 484         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 485         got_irelative_, and irelative_count_ fields.  Update
 486         declarations.
 487         (Output_data_plt_i386::has_irelative_section): New function.
 488         (Output_data_plt_i386::entry_count): Add irelative_count_.
 489         (Output_data_plt_i386::set_final_data_size): Likewise.
 490         (class Target_i386): Add got_irelative_ and rel_irelative_
 491         fields.  Update declarations.
 492         (Target_i386::Target_i386): Initialize new fields.
 493         (Target_i386::do_plt_address_for_global): New function replacing
 494         do_plt_section_for_global.
 495         (Target_i386::do_plt_address_for_local): New function replacing
 496         do_plt_section_for_local.
 497         (Target_i386::got_section): Create got_irelative_.
 498         (Target_i386::rel_irelative_section): New function.
 499         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 500         fields.  Don't define __rel_iplt_{start,end}.
 501         (Output_data_plt_i386::add_entry): Add symtab and layout
 502         parameters.  Change all callers.  Use different PLT and GOT for
 503         IFUNC symbols.
 504         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 505         layout parameters.  Change all callers.  Use different PLT and
 506         GOT.
 507         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 508         (Output_data_plt_i386::rel_irelative): New function.
 509         (Output_data_plt_i386::address_for_global): New function.
 510         (Output_data_plt_i386::address_for_local): New function.
 511         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 512         IRELATIVE GOT when changing IFUNC GOT entries.
 513         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 514         reloc.
 515         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 516         if we didn't create an IRELATIVE GOT.
 517         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 518         plt_address_for_local.
 519         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 520         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 521         got_irelative_, and irelative_count_ fields.  Update
 522         declarations.
 523         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 524         Initialize new fields.  Remove symtab parameter.  Change all
 525         callers.
 526         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 527         irelative_count_.
 528         (Output_data_plt_x86_64::has_irelative_section): New function.
 529         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 530         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 531         fields.  Update declarations.
 532         (Target_x86_64::Target_x86_64): Initialize new fields.
 533         (Target_x86_64::do_plt_address_for_global): New function replacing
 534         do_plt_section_for_global.
 535         (Target_x86_64::do_plt_address_for_local): New function replacing
 536         do_plt_section_for_local.
 537         (Target_x86_64::got_section): Create got_irelative_.
 538         (Target_x86_64::rela_irelative_section): New function.
 539         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 540         all callers.  Don't create __rel_iplt_{start,end}.
 541         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 542         parameters.  Change all callers.  Use different PLT and GOT for
 543         IFUNC symbols.
 544         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 545         layout parameters.  Change all callers.  Use different PLT and
 546         GOT.
 547         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 548         parameters.  Change all callers.  Use different PLT and GOT for
 549         IFUNC symbols.
 550         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 551         (Output_data_plt_x86_64::rela_irelative): New function.
 552         (Output_data_plt_x86_64::address_for_global): New function.
 553         (Output_data_plt_x86_64::address_for_local): New function.
 554         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 555         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 556         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 557         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 558         parameters.
 559         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 560         reloc.
 561         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 562         symbols if we didn't create an IRELATIVE GOT.
 563         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 564         plt_address_for_local.
 565         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 566         * testsuite/ifuncvar1.c: New test file.
 567         * testsuite/ifuncvar2.c: New test file.
 568         * testsuite/ifuncvar3.c: New test file.
 569         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 570         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 571         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 572         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 573         * testsuite/Makefile.in: Rebuild.
 574
 575 2011-07-07  Cary Coutant  <ccoutant@google.com>
 576
 577         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 578         (two_file_test_1_ndebug.o): Likewise.
 579         (two_file_test_1b_ndebug.o): Likewise.
 580         (two_file_test_2_ndebug.o): Likewise.
 581         (two_file_test_main_ndebug.o): Likewise.
 582         (incremental_test_2): Link with no-debug versions.
 583
 584 2011-07-06  Cary Coutant  <ccoutant@google.com>
 585
 586         * gold/incremental.cc
 587         (Output_section_incremental_inputs::write_info_blocks): Check for
 588         hidden and internal symbols.
 589
 590 2011-07-06  Cary Coutant  <ccoutant@google.com>
 591
 592         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 593         Check disposition for startup file.
 594         (Incremental_inputs::report_command_line): Ignore
 595         --incremental-startup-unchanged option.
 596         * options.cc (General_options::parse_incremental_startup_unchanged):
 597         New function.
 598         (General_options::General_options): Initialize new data member.
 599         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 600         (General_options): Add --incremental-startup-unchanged option.
 601         (General_options::incremental_startup_disposition): New function.
 602         (General_options::incremental_startup_disposition_): New data member.
 603
 604 2011-07-06  Cary Coutant  <ccoutant@google.com>
 605
 606         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 607         input file index to Script_info ctor.
 608         (Sized_incremental_binary::do_file_has_changed): Find the
 609         command-line argument for files named in scripts.
 610         * incremental.h (Script_info::Script_info): New ctor
 611         with input file index.
 612         (Script_info::input_file_index): New function.
 613         (Script_info::input_file_index_): New data member.
 614         (Incremental_binary::get_library): Add const.
 615         (Incremental_binary::get_script_info): Add const.
 616         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 617         * testsuite/Makefile.am (incremental_test_5): New test case.
 618         (incremental_test_6): New test case.
 619         * testsuite/Makefile.in: Regenerate.
 620
 621 2011-07-06  Cary Coutant  <ccoutant@google.com>
 622
 623         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 624         debug output when command lines differ.
 625
 626 2011-07-06  Cary Coutant  <ccoutant@google.com>
 627
 628         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 629         --incremental-patch option.
 630         * layout.cc (Free_list::allocate): Extend allocation beyond original
 631         end if enabled.
 632         (Layout::make_output_section): Mark sections that should get
 633         patch space.
 634         * options.cc (parse_percent): New function.
 635         * options.h (parse_percent): New function.
 636         (DEFINE_percent): New macro.
 637         (General_options): Add --incremental-patch option.
 638         * output.cc (Output_section::Output_section): Initialize new data
 639         members.
 640         (Output_section::add_input_section): Print section name when out
 641         of patch space.
 642         (Output_section::add_output_section_data): Likewise.
 643         (Output_section::set_final_data_size): Add patch space when
 644         doing --incremental-full.
 645         (Output_section::do_reset_address_and_file_offset): Remove patch
 646         space.
 647         (Output_segment::set_section_list_addresses): Print debug output
 648         only if --incremental-update.
 649         * output.h (Output_section::set_is_patch_space_allowed): New function.
 650         (Output_section::is_patch_space_allowed_): New data member.
 651         (Output_section::patch_space_): New data member.
 652         * parameters.cc (Parameters::incremental_full): New function.
 653         * parameters.h (Parameters::incremental_full): New function
 654         * testsuite/Makefile.am (incremental_test_2): Add test for
 655         --incremental-patch option.
 656         * testsuite/Makefile.in: Regenerate.
 657         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 658         (t18): Remove function body.
 659
 660 2011-07-05  Doug Kwan  <dougkwan@google.com>
 661
 662         PR gold/12771
 663         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 664         Arm_Address type for relocation result.
 665         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 666         overflow check.
 667         (Arm_relocate_functions::abs32): Use unaligned access.
 668         (Arm_relocate_functions::rel32): Ditto.
 669         (Arm_relocate_functions::prel31): Ditto.
 670         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 671         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 672         static data relocations.
 673         * testsuite/Makefile.in: Regnerate.
 674         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 675
 676 2011-07-05  Ian Lance Taylor  <iant@google.com>
 677
 678         PR gold/12392
 679         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 680         symbols if necessary.
 681         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 682
 683 2011-07-05  Ian Lance Taylor  <iant@google.com>
 684
 685         PR gold/12952
 686         * resolve.cc (Symbol::override_base_with_special): Simply override
 687         version with special symbol version, ignoring previous version.
 688
 689 2011-07-05  Ian Lance Taylor  <iant@google.com>
 690
 691         * object.cc (Sized_relobj_file::include_section_group): Add
 692         information to comment about signature location.
 693
 694 2011-07-02  Ian Lance Taylor  <iant@google.com>
 695
 696         PR gold/12957
 697         * options.h (class General_options): Add -f and -F.
 698         * options.cc (General_options::finalize): Fatal error if -f/-F
 699         are used without -shared.
 700         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 701
 702 2011-07-02  Ian Lance Taylor  <iant@google.com>
 703
 704         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 705
 706 2011-07-01  Ian Lance Taylor  <iant@google.com>
 707
 708         PR gold/12525
 709         PR gold/12952
 710         * resolve.cc (Symbol::override_base_with_special): Don't override
 711         the version if the overriding symbol has a different name.
 712         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 713         all callers.  If we give an error about an undefined version,
 714         define the base version if necessary.
 715         * dynobj.h (class Versions): Update declaration.
 716         * testsuite/weak_alias_test_5.cc: New file.
 717         * testsuite/weak_alias_test.script: New file.
 718         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 719         and versioned_alias have the right value, and call t2.
 720         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 721         weak_alias_test_5.so.
 722         (weak_alias_test_LDADD): Likewise.
 723         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 724         * testsuite/Makefile.in: Rebuild.
 725
 726 2011-07-01  Ian Lance Taylor  <iant@google.com>
 727
 728         PR gold/12525
 729         * options.h (class General_options): Support -z notext.
 730         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 731         -Wl,-z,notext.
 732         (two_file_shared_nonpic.so): Likewise.
 733         (two_file_shared_mixed.so): Likewise.
 734         (two_file_shared_mixed_1.so): Likewise.
 735         (weak_undef_lib_nonpic.so): Likewise.
 736         (alt/weak_undef_lib_nonpic.so): Likewise.
 737         (tls_test_shared_nonpic.so): Likewise.
 738         * testsuite/Makefile.in: Rebuild.
 739
 740 2011-07-01  Ian Lance Taylor  <iant@google.com>
 741
 742         PR gold/12525
 743         * configure.ac: Test whether static linking works, setting
 744         the automake conditional HAVE_STATIC.
 745         * testsuite/Makefile.am: Disable tests using -static if
 746         HAVE_STATIC is not true.
 747         * configure, testsuite/Makefile.in: Rebuild.
 748
 749 2011-07-01  Ian Lance Taylor  <iant@google.com>
 750
 751         PR gold/12525
 752         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 753         Assert if we see DW_EH_PE_indirect.
 754         * target.h (Target::ehframe_datarel_base): New function.
 755         (Target::do_ehframe_datarel_base): New target function.
 756         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 757         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 758         function.
 759
 760 2011-07-01  Ian Lance Taylor  <iant@google.com>
 761
 762         PR gold/12571
 763         * options.h (class General_options): Add
 764         --ld-generated-unwind-info.
 765         * ehframe.cc (Fde::write): Add address parameter.  Change all
 766         callers.  If associated with PLT, fill in address and size.
 767         (Cie::set_output_offset): Only add merge mapping if there is an
 768         object.
 769         (Cie::write): Add address parameter.  Change all callers.
 770         (Eh_frame::add_ehframe_for_plt): New function.
 771         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 772         input_offset_ fields into union u_, with new plt field.
 773         (Fde::Fde): Adjust for new union field.
 774         (Fde::Fde) [Output_data version]: New constructor.
 775         (Fde::add_mapping): Only add merge mapping if there is an object.
 776         (class Cie): Update declarations.
 777         (class Eh_frame): Declare add_ehframe_for_plt.
 778         * layout.cc (Layout::layout_eh_frame): Break out code into
 779         make_eh_frame_section, and call it.
 780         (Layout::make_eh_frame_section): New function.
 781         (Layout::add_eh_frame_for_plt): New function.
 782         * layout.h (class Layout): Update declarations.
 783         * merge.cc (Merge_map::add_mapping): Add assertion.
 784         * i386.cc: Include "dwarf.h".
 785         (class Output_data_plt_i386): Make first_plt_entry,
 786         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 787         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 788         and plt_eh_frame_fde.
 789         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 790         boundary.  Call add_eh_frame_for_plt if appropriate.
 791         * x86_64.cc: Include "dwarf.h".
 792         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 793         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 794         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 795         and plt_eh_frame_fde.
 796         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 797         appropriate.
 798
 799 2011-06-29  Ian Lance Taylor  <iant@google.com>
 800
 801         PR gold/12629
 802         * object.cc (Sized_relobj_file::layout_section): Change shdr
 803         parameter to be const.
 804         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 805         out of do_layout.
 806         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 807         appropriate.  Call layout_eh_frame_section.
 808         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 809         sections.
 810         * object.h (class Sized_relobj_file): Update declarations.
 811
 812 2011-06-29  Ian Lance Taylor  <iant@google.com>
 813
 814         PR gold/12652
 815         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 816         modifier.
 817         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 818
 819 2011-06-29  Ian Lance Taylor  <iant@google.com>
 820
 821         PR gold/12675
 822         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 823         SHT_X86_64_UNWIND.
 824         * layout.cc (Layout::layout_eh_frame): Likewise.
 825
 826 2011-06-29  Ian Lance Taylor  <iant@google.com>
 827
 828         PR gold/12695
 829         * layout.cc (Layout::symtab_section_shndx): New function.
 830         * layout.h (class Layout): Declare symtab_section_shndx.
 831         * output.cc (Output_section::write_header): Call it.
 832
 833 2011-06-29  Ian Lance Taylor  <iant@google.com>
 834
 835         PR gold/12818
 836         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 837         symbols which are not used in a relocation.
 838
 839 2011-06-28  Ian Lance Taylor  <iant@google.com>
 840
 841         PR gold/12898
 842         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 843         script create indistinguishable segments.
 844         (Layout::set_segment_offsets): Use stable_sort when sorting
 845         segments.  Pass this to Compare_segments constructor.
 846         * layout.h (class Layout): Make segment_precedes non-static.
 847         (class Compare_segments): Change from struct to class.  Add
 848         layout_ field.  Add constructor.
 849         * script-sections.cc
 850         (Script_sections::attach_sections_using_phdrs_clause): Rename
 851         local orphan to is_orphan.  Don't report failure to put empty
 852         section in segment.  On attachment failure, report name of
 853         section, and attach to first PT_LOAD segment.
 854
 855 2011-06-28  Ian Lance Taylor  <iant@google.com>
 856
 857         PR gold/12934
 858         * target-select.cc (Target_selector::Target_selector): Add
 859         emulation parameter.  Change all callers.
 860         (select_target_by_bfd_name): Rename from select_target_by_name.
 861         Change all callers.
 862         (select_target_by_emulation): New function.
 863         (supported_emulation_names): New function.
 864         * target-select.h (class Target_selector): Add emulation_ field.
 865         Update declarations.
 866         (Target_selector::recognize_by_bfd_name): Rename from
 867         recognize_by_name.  Change all callers.
 868         (Target_selector::supported_bfd_names): Rename from
 869         supported_names.  Change all callers.
 870         (Target_selector::recognize_by_emulation): New function.
 871         (Target_selector::supported_emulations): New function.
 872         (Target_selector::emulation): New function.
 873         (Target_selector::do_recognize_by_bfd_name): Rename from
 874         do_recognize_by_name.  Change all callers.
 875         (Target_selector::do_supported_bfd_names): Rename from
 876         do_supported_names.  Change all callers.
 877         (Target_selector::do_recognize_by_emulation): New function.
 878         (Target_selector::do_supported_emulations): New function.
 879         (select_target_by_bfd_name): Change name in declaration.
 880         (select_target_by_emulation): Declare.
 881         (supported_emulation_names): Declare.
 882         * parameters.cc (parameters_force_valid_target): Try to find
 883         target based on emulation from -m option.
 884         * options.h (class General_options): Change doc string for -m.
 885         * options.cc (help): Print emulations.
 886         (General_options::parse_V): Likewise.
 887         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 888         Add emulation parameter.  Change all callers.
 889
 890 2011-06-28  Ian Lance Taylor  <iant@google.com>
 891
 892         * target.h (class Target): Add osabi_ field.
 893         (Target::osabi): New function.
 894         (Target::set_osabi): New function.
 895         (Target::Target): Initialize osabi_.
 896         (Target::do_adjust_elf_header): Make pure virtual.
 897         (Sized_target::do_adjust_elf_header): Declare.
 898         * target.cc (Sized_target::do_adjust_elf_header): New function.
 899         (class Sized_target): Instantiate all versions.
 900         * freebsd.h (class Target_freebsd): Remove.
 901         (Target_selector_freebsd::do_recognize): Call set_osabi on
 902         Target.
 903         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 904         (Target_selector_freebsd::set_osabi): Remove.
 905         * i386.cc (class Target_i386): Inherit from Sized_target rather
 906         than Target_freebsd.
 907         * x86_64.cc (class Target_x86_64): Likewise.
 908
 909 2011-06-28  Ian Lance Taylor  <iant@google.com>
 910
 911         * target.h (Target::can_check_for_function_pointers): Rewrite.
 912         Make non-virtual.
 913         (Target::can_icf_inline_merge_sections): Likewise.
 914         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 915         (Target::Target_info): Add can_icf_inline_merge_sections field.
 916         (Target::do_can_check_for_function_pointers): New virtual
 917         function.
 918         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 919         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 920         from can_check_for_function_pointers, move in file.
 921         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 922         section_may_have_icf_unsafe_poineters, move in file.
 923         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 924         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 925         Rename from can_check_for_function_pointers, move in file.
 926         (Target_i386::can_icf_inline_merge_sections): Remove.
 927         (Target_i386::i386_info): Initialize
 928         can_icf_inline_merge_sections.
 929         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 930         Initialize can_icf_inline_merge_sections.
 931         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 932         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 933         Rename from can_check_for_function_pointers, move in file.
 934         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 935         (Target_x86_64::x86_64_info): Initialize
 936         can_icf_inline_merge_sections.
 937         * testsuite/testfile.cc (Target_test::test_target_info):
 938         Likewise.
 939         * icf.cc (get_section_contents): Correct formatting.
 940
 941 2011-06-27  Ian Lance Taylor  <iant@google.com>
 942
 943         * symtab.cc (Symbol::versioned_name): New function.
 944         (Symbol_table::add_to_final_symtab): Use versioned_name when
 945         appropriate.
 946         (Symbol_table::sized_write_symbol): Likewise.
 947         * symtab.h (class Symbol): Declare versioned_name.
 948         * stringpool.h (class Stringpool_template): Add variant of add
 949         which takes a std::basic_string.
 950         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 951         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 952         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 953         (ver_test_12.o): New target.
 954         * testsuite/Makefile.in: Rebuild.
 955
 956 2011-06-27  Doug Kwan  <dougkwan@google.com>
 957
 958         * arm.cc (Arm_relocate_functions::thm_jump8,
 959         Arm_relocate_functions::thm_jump11): Use a wider signed
 960         type to compute offset.
 961         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 962         arm_thm_jump8.
 963         * testsuite/Makefile.in: Regenerate.
 964         * testsuite/arm_branch_in_range.sh: Check test results of
 965         arm_thm_jump11 and arm_thm_jump8.
 966         * testsuite/arm_thm_jump11.s: New test source file.
 967         * testsuite/arm_thm_jump11.t: New linker script.
 968         * testsuite/arm_thm_jump8.s: New test source file.
 969         * testsuite/arm_thm_jump8.t: New linker script.
 970
 971 2011-06-24  Ian Lance Taylor  <iant@google.com>
 972
 973         * layout.cc: Include "object.h".
 974         (ctors_sections_in_init_array): New static variable.
 975         (Layout::is_ctors_in_init_array): New function.
 976         (Layout::layout): Add entry to ctors_sections_in_init_array if
 977         appropriate.
 978         * layout.h (class Layout): Declare is_ctors_in_init_array.
 979         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 980         is_ctors_reverse_view is set.
 981         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 982         all callers.  Set is_ctors_reverse_view field of View_size.
 983         (Sized_relobj_file::reverse_words): New function.
 984         * object.h (Sized_relobj_file::View_size): Add
 985         is_ctors_reverse_view field.
 986         (class Sized_relobj_file): Update declarations.
 987         * testsuite/initpri3.c: New test.
 988         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 989         initpri3b.
 990         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 991         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 992         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 993         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 994         * testsuite/Makefile.in: Rebuild.
 995
 996 2011-06-24  Cary Coutant  <ccoutant@google.com>
 997
 998         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 999         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1000         (debug_msg_cdebug.err): New targets.
1001         * testsuite/Makefile.in: Regenerate.
1002         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1003         Fix checks for link with shared library.
1004
1005 2011-06-24  Doug Kwan  <dougkwan@google.com>
1006
1007         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1008         skip empty text sections.
1009         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1010
1011 2011-06-22  Ian Lance Taylor  <iant@google.com>
1012
1013         PR gold/12910
1014         * options.h (class General_options): Add --ctors-in-init-array.
1015         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1016         friends as SHT_PROGBITS for merging sections.
1017         (Layout::layout): Remove special handling of .init_array and
1018         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1019         and .dtors if ctors_in_init_array.
1020         (Layout::make_output_section): Force correct section types for
1021         .init_array and friends.  Don't sort if doing relocatable link,
1022         Don't sort .ctors and .dtors if ctors_in_init_array.
1023         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1024         (Layout::output_section_name): Add relobj parameter.  Change all
1025         callers.  Handle .ctors. and .dtors. in code rather than table.
1026         Handle .ctors and .dtors if ctors_in_init_array.
1027         (Layout::match_file_name): New function, moved from output.cc.
1028         * layout.h (class Layout): Update declarations.
1029         * output.cc: Include "layout.h".
1030         (Input_section_sort_entry::get_priority): New function.
1031         (Input_section_sort_entry::match_file_name): Just call
1032         Layout::match_file_name.
1033         (Output_section::Input_section_sort_init_fini_compare::operator()):
1034         Handle .ctors and .dtors.  Sort by explicit priority rather than
1035         by name.
1036         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1037         * testsuite/initpri2.c: New test.
1038         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1039         (check_PROGRAMS): Add initpri2.
1040         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1041         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1042         * configure, testsuite/Makefile.in: Rebuild.
1043
1044 2011-06-19  Ian Lance Taylor  <iant@google.com>
1045
1046         PR gold/12880
1047         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1048         .interp section to a PT_INTERP segment even if we have seen a
1049         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1050         clause in a linker script.
1051         (Layout::finalize): Don't create a .interp section if we've
1052         already create a PT_INTERP segment.
1053         (Layout::create_interp): Always call choose_output_section (revert
1054         patch of 2011-06-17).  Don't create PT_INTERP segment.
1055         * script-sections.cc
1056         (Script_sections::create_note_and_tls_segments): Add a .interp
1057         section to a PT_INTERP segment even if we have seen a
1058         --dynamic-linker option.
1059
1060 2011-06-18  Ian Lance Taylor  <iant@google.com>
1061
1062         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1063         merely because a non-PT_LOAD segment has a dynamic reloc.
1064
1065 2011-06-18  Ian Lance Taylor  <iant@google.com>
1066
1067         * layout.cc (Layout::finish_dynamic_section): Don't create
1068         DT_FLAGS entry if not needed.
1069
1070 2011-06-18  Ian Lance Taylor  <iant@google.com>
1071
1072         PR gold/12745
1073         * layout.cc (Layout::layout_eh_frame): Correct handling of
1074         writable .eh_frame section.
1075
1076 2011-06-17  Ian Lance Taylor  <iant@google.com>
1077
1078         PR gold/12893
1079         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1080         symbol is redefined with the exact same object and value.
1081
1082 2011-06-17  Ian Lance Taylor  <iant@google.com>
1083
1084         PR gold/12880
1085         * layout.h (class Layout): Add interp_segment_ field.
1086         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1087         (Layout::attach_allocated_section_to_segment): If making shared
1088         library, put .interp section in PT_INTERP segment.
1089         (Layout::finalize): Also call create_interp if -dynamic-linker
1090         option was used.
1091         (Layout::create_interp): Assert that there is no PT_INTERP
1092         segment.  If not using a SECTIONS clause, use make_output_section.
1093         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1094         * script-sections.cc
1095         (Script_sections::create_note_and_tls_segments): If making shared
1096         library, put .interp section in PT_INTERP segment.
1097
1098 2011-06-17  Ian Lance Taylor  <iant@google.com>
1099
1100         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1101         when making a shared library.
1102
1103 2011-06-17  Ian Lance Taylor  <iant@google.com>
1104
1105         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1106         parameter.  Change all callers.  Don't issue warning about PC32
1107         against locally defined symbol.
1108
1109 2011-06-16  Ian Lance Taylor  <iant@google.com>
1110
1111         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1112         occurs in same object.
1113
1114 2011-06-14  Alan Modra  <amodra@gmail.com>
1115
1116         * po/POTFILES.in: Regenerate.
1117
1118 2011-06-09  Ian Lance Taylor  <iant@google.com>
1119
1120         * script-sections.cc
1121         (Orphan_output_section::set_section_addresses): For a relocatable
1122         link set address to 0.
1123
1124 2011-06-09  Cary Coutant  <ccoutant@google.com>
1125
1126         PR gold/12804
1127         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1128         used with --compress-debug-sections.
1129         * gold/object.cc (Sized_relobj_file::do_layout): Report
1130         uncompressed size of compressed input sections.
1131
1132 2011-06-08  Cary Coutant  <ccoutant@google.com>
1133
1134         PR gold/12804
1135         * testsuite/two_file_test_2_v1.cc: Change initialization of
1136         v2 to keep it in .data.
1137
1138 2011-06-07  Cary Coutant  <ccoutant@google.com>
1139
1140         * common.cc (Symbol_table::do_allocate_commons_list): Call
1141         gold_fallback.
1142         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1143         (Errors::fallback): New function.
1144         (gold_fallback): New function.
1145         * errors.h (Errors::fallback): New function.
1146         * gold.cc (gold_exit): Change status parameter to enum; adjust
1147         all callers.
1148         (queue_initial_tasks): Call gold_fallback.
1149         * gold.h: Include cstdlib.
1150         (Exit_status): New enum type.
1151         (gold_exit): Change status parameter to enum.
1152         (gold_fallback): New function.
1153         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1154         (Layout::create_symtab_sections): Likewise.
1155         (Layout::create_shdrs): Likewise.
1156         * main.cc (main): Adjust call to gold_exit.
1157         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1158         (Output_data_got::add_got_entry_pair): Likewise.
1159         (Output_section::add_input_section): Likewise.
1160         (Output_section::add_output_section_data): Likewise.
1161         (Output_segment::set_section_list_addresses): Likewise.
1162         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1163
1164 2011-06-07  Cary Coutant  <ccoutant@google.com>
1165
1166         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1167         for incremental links.
1168         * output.cc (Output_segment::set_section_list_addresses): Remove
1169         FIXME and test for TLS or BSS.
1170
1171 2011-06-07  Cary Coutant  <ccoutant@google.com>
1172
1173         * testsuite/Makefile.am: Add incremental_copy_test,
1174         incremental_common_test_1.
1175         * testsuite/Makefile.in: Regenerate.
1176         * testsuite/common_test_1_v1.c: New source file.
1177         * testsuite/common_test_1_v2.c: New source file.
1178         * testsuite/copy_test_v1.cc: New source file.
1179
1180 2011-06-07  Cary Coutant  <ccoutant@google.com>
1181
1182         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1183         update, allocate common from bss section's free list.
1184         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1185         linker-defined symbols.
1186         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1187         Skip GOT and PLT entries that are no longer referenced.
1188         (Output_section_incremental_inputs::write_info_blocks): Mark
1189         linker-defined symbols.
1190         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1191         * output.cc (Output_section::allocate): New function.
1192         * output.h (Output_section::allocate): New function.
1193         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1194         linker-defined symbols.
1195         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1196         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1197         (Symbol::init_base_output_data): Likewise.
1198         (Symbol::init_base_output_segment): Likewise.
1199         (Symbol::init_base_constant): Likewise.
1200         (Sized_symbol::init_output_data): Likewise.
1201         (Sized_symbol::init_output_segment): Likewise.
1202         (Sized_symbol::init_constant): Likewise.
1203         (Symbol_table::do_define_in_output_data): Likewise.
1204         (Symbol_table::do_define_in_output_segment): Likewise.
1205         (Symbol_table::do_define_as_constant): Likewise.
1206         * symtab.h (Symbol::is_predefined): New function.
1207         (Symbol::init_base_output_data): Add is_predefined parameter.
1208         (Symbol::init_base_output_segment): Likewise.
1209         (Symbol::init_base_constant): Likewise.
1210         (Symbol::is_predefined_): New data member.
1211         (Sized_symbol::init_output_data): Add is_predefined parameter.
1212         (Sized_symbol::init_output_segment): Likewise.
1213         (Sized_symbol::init_constant): Likewise.
1214         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1215
1216 2011-06-07  Cary Coutant  <ccoutant@google.com>
1217
1218         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1219         instead of emit_copy_reloc.
1220         (Copy_relocs::emit_copy_reloc): Refactor.
1221         (Copy_relocs::make_copy_reloc): New function.
1222         (Copy_relocs::add_copy_reloc): Remove.
1223         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1224         section.
1225         (Copy_relocs::make_copy_reloc): New function.
1226         (Copy_relocs::add_copy_reloc): Remove.
1227         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1228         unchanged input files.
1229         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1230         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1231         Reserve BSS space for COPY relocations.
1232         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1233         (Output_section_incremental_inputs::write_info_blocks): Record
1234         whether a symbol is copied from a shared object.
1235         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1236         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1237         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1238         (Incremental_input_entry_reader::get_output_symbol_index): Add
1239         is_copy parameter.
1240         (Incremental_binary::emit_copy_relocs): New function.
1241         (Incremental_binary::do_emit_copy_relocs): New function.
1242         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1243         new data member.
1244         (Sized_incremental_binary::add_copy_reloc): New function.
1245         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1246         (Sized_incremental_binary::Copy_reloc): New struct.
1247         (Sized_incremental_binary::Copy_relocs): New typedef.
1248         (Sized_incremental_binary::copy_relocs_): New data member.
1249         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1250         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1251         * target.h (Sized_target::emit_copy_reloc): New function.
1252         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1253
1254 2011-06-02  Cary Coutant  <ccoutant@google.com>
1255
1256         PR gold/12163
1257         * gold/archive.cc (Archive::Archive): Initialize new data member.
1258         (Archive::include_all_members): Return if archive has already been
1259         included.
1260         * gold/archive.h (Archive::include_all_members_): New data member.
1261
1262 2011-06-02  Nick Clifton  <nickc@redhat.com>
1263
1264         * dynobj.h: Fix spelling mistake in comment.
1265         * output.cc: Likewise.
1266
1267 2011-05-31  Doug Kwan  <dougkwan@google.com>
1268             Asier Llano
1269
1270         PR gold/12826
1271         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1272         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1273         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1274         redundant arm_exidx_test.so.
1275         * testsuite/Makefile.in: Regenerate.
1276         (check_SCRIPTS): Add pr12826.sh
1277         (check_DATA): Add pr12826.stdout
1278         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1279         * testsuite/pr12826.sh: New file.
1280         * testsuite/pr12826_1.s: Ditto.
1281         * testsuite/pr12826_1.s: Ditto.
1282
1283 2011-05-30  Ian Lance Taylor  <iant@google.com>
1284
1285         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1286         sections.
1287
1288 2011-05-29  Ian Lance Taylor  <iant@google.com>
1289
1290         PR gold/12804
1291         * testsuite/Makefile.am: Use different file name for two_file_test
1292         temporary file for each incremental test.
1293         * testsuite/Makefile.in: Rebuild.
1294
1295 2011-05-29  Ian Lance Taylor  <iant@google.com>
1296
1297         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1298         binary input file is empty.
1299
1300 2011-05-27  Ian Lance Taylor  <iant@google.com>
1301
1302         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1303         (ver_test_9.so): Likewise.
1304         * testsuite/Makefile.in: Rebuild.
1305
1306 2011-05-26 Cary Coutant  <ccoutant@google.com>
1307
1308         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1309         * incremental.cc (Incremental_inputs::report_input_section): Fix
1310         comment, indentation.
1311         (Incremental_inputs::report_comdat_group): New function.
1312         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1313         of data for incremental input file entry.
1314         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1315         group count, COMDAT group signatures.
1316         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1317         an unchanged input file.
1318         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1319         Initialize new data member.
1320         (Incremental_object_entry::add_comdat_group): New function.
1321         (Incremental_object_entry::get_comdat_group_count): New function.
1322         (Incremental_object_entry::get_comdat_signature_key): New function.
1323         (Incremental_object_entry::groups_): New data member.
1324         (Incremental_inputs::report_comdat_group): New function.
1325         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1326         data for incremental input file entry.
1327         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1328         (Incremental_input_entry_reader::get_input_section): Adjust size of
1329         data for incremental input file entry.
1330         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1331         (Incremental_input_entry_reader::get_comdat_group_signature): New
1332         function.
1333         * object.cc (Sized_relobj::include_section_group): Report kept
1334         COMDAT groups for incremental links.
1335
1336 2011-05-24  David Meyer  <pdox@google.com>
1337
1338         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1339         with name parameter.  Add found_name parameter.
1340         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1341         * dirsearch.h (class Dirsearch): Update declaration.
1342
1343 2011-05-24  Ian Lance Taylor  <iant@google.com>
1344
1345         * archive.cc (Library_base::should_include_member): Pull in object
1346         from archive if it defines the entry symbol.
1347         * parameters.cc (Parameters::entry): New function.
1348         * parameters.h (class Parameters): Declare entry.
1349         * output.h (class Output_file_header): Remove entry_ field.
1350         * output.cc (Output_file_header::Output_file_header): Remove entry
1351         parameter.  Change all callers.
1352         (Output_file_header::entry): Use parameters->entry.
1353         * gold.cc (queue_middle_tasks): Likewise.
1354         * plugin.cc (Plugin_hook::run): Likewise.
1355
1356 2011-05-24 Cary Coutant  <ccoutant@google.com>
1357
1358         * gold.cc (queue_initial_tasks): Pass incremental base filename
1359         to Output_file::open_base_file; don't print error message.
1360         * incremental-dump.cc (main): Adjust call to
1361         Output_file::open_for_modification.
1362         * incremental-dump.cc (main): Likewise.
1363         * incremental.cc (Incremental_inputs::report_command_line):
1364         Ignore --incremental-base option when comparing command lines.
1365         Ignore parameter when given as separate argument.
1366         * options.h (class General_options): Add --incremental-base.
1367         * output.cc (Output_file::Output_file):
1368         (Output_file::open_base_file): Add base_name and writable parameters;
1369         read base file into new file; print error message here.
1370         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1371         callers.
1372         * output.h (Output_file::open_for_modification): Rename to...
1373         (Output_file::open_base_file): ...this; add base_name and
1374         writable parameters; adjust all callers.
1375         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1376         callers.
1377         * testsuite/Makefile.am (incremental_test_4): Test
1378         --incremental-base.
1379         * testsuite/Makefile.in: Regenerate.
1380
1381 2011-05-24 Cary Coutant  <ccoutant@google.com>
1382
1383         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1384         incremental_test_4.
1385         * testsuite/Makefile.in: Regenerate.
1386         * testsuite/two_file_test_1_v1.cc: New test source file.
1387         * testsuite/two_file_test_1b_v1.cc: New test source file.
1388         * testsuite/two_file_test_2_v1.cc: New test source file.
1389
1390 2011-05-24 Cary Coutant  <ccoutant@google.com>
1391
1392         * dynobj.h (Dynobj::do_dynobj): New function.
1393         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1394         flag and soname for shared objects.
1395         * incremental.cc (Incremental_inputs::report_object): Make
1396         either Incremental_object_entry or Incremental_dynobj_entry; add
1397         soname to string table.
1398         (Incremental_inputs::report_input_section): Add assertion.
1399         (Output_section_incremental_inputs::set_final_data_size): Adjust
1400         type of input file entry for shared libraries; adjust size of
1401         shared library info entry.
1402         (Output_section_incremental_inputs::write_input_files): Write
1403         as_needed flag for shared libraries.
1404         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1405         of input file entry for shared libraries; write soname.
1406         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1407         soname from incremental info.
1408         * incremental.h (enum Incremental_input_flags): Add
1409         INCREMENTAL_INPUT_AS_NEEDED.
1410         (Incremental_input_entry::Incremental_input_entry): Initialize new
1411         data member.
1412         (Incremental_input_entry::set_as_needed): New function.
1413         (Incremental_input_entry::as_needed): New function.
1414         (Incremental_input_entry::do_dynobj_entry): New function.
1415         (Incremental_input_entry::as_needed_): New data member.
1416         (Incremental_object_entry::Incremental_object_entry): Don't check
1417         for shared library.
1418         (Incremental_object_entry::do_type): Likewise.
1419         (class Incremental_dynobj_entry): New class.
1420         (Incremental_input_entry_reader::as_needed): New function.
1421         (Incremental_input_entry_reader::get_soname): New function.
1422         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1423         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1424         size of shared library info entry.
1425         * layout.cc (Layout::finish_dynamic_section): Don't test for
1426         incremental link when adding DT_NEEDED entries.
1427         * object.h (Object::Object): Initialize new data member.
1428         (Object::dynobj): New function.
1429         (Object::set_as_needed): New function.
1430         (Object::as_needed): New function.
1431         (Object::do_dynobj): New function.
1432         (Object::as_needed_): New data member.
1433
1434 2011-05-24 Cary Coutant  <ccoutant@google.com>
1435
1436         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1437         info; adjust display of GOT entries.
1438         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1439         vector of input objects; remove file_status_.
1440         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1441         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1442         got_plt reader; call target hooks to reserve GOT entries.
1443         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1444         of input file info header and GOT info entry.
1445         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1446         relocation info.
1447         (Got_plt_view_info::got_descriptor): Remove.
1448         (Got_plt_view_info::sym_index): New data member.
1449         (Got_plt_view_info::input_index): New data member.
1450         (Local_got_offset_visitor::visit): Write input file index.
1451         (Global_got_offset_visitor::visit): Write 0 for input file index.
1452         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1453         with sym_index and input_index.
1454         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1455         incremental info GOT entry; replace got_descriptor with input_index.
1456         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1457         map from input file index to object.
1458         (Sized_relobj_incr::do_layout): Replace direct data member reference
1459         with accessor function.
1460         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1461         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1462         Adjust size of input file info header.
1463         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1464         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1465         (Incremental_input_entry_reader::get_input_section): Adjust size of
1466         input file info header.
1467         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1468         of incremental info GOT entry.
1469         (Incremental_got_plt_reader::get_got_desc): Remove.
1470         (Incremental_got_plt_reader::get_got_symndx): New function.
1471         (Incremental_got_plt_reader::get_got_input_index): New function.
1472         (Sized_incremental_binary::Sized_incremental_binary): Remove
1473         file_status_; add input_objects_.
1474         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1475         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1476         (Sized_incremental_binary::file_is_unchanged): Remove.
1477         (Sized_incremental_binary::set_input_object): New function.
1478         (Sized_incremental_binary::input_object): New function.
1479         (Sized_incremental_binary::file_status_): Remove.
1480         (Sized_incremental_binary::input_objects_): New data member.
1481         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1482         references.
1483         (Sized_relobj_incr::invalid_address): Move to base class.
1484         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1485         class.
1486         (Sized_relobj_incr::do_output_section_offset): Likewise.
1487         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1488         (Sized_relobj_incr::section_offsets_): Likewise.
1489         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1490         function.
1491         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1492         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1493         with accessor function.
1494         (Sized_relobj_file::do_layout): Likewise.
1495         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1496         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1497         (Sized_relobj_file::compute_final_local_value): Replace refs to
1498         section_offsets_ with accessor function.
1499         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1500         * object.h (Relobj::Relobj): Initialize new data members.
1501         (Relobj::add_dyn_reloc): New function.
1502         (Relobj::first_dyn_reloc): New function.
1503         (Relobj::dyn_reloc_count): New function.
1504         (Relobj::first_dyn_reloc_): New data member.
1505         (Relobj::dyn_reloc_count_): New data member.
1506         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1507         references.
1508         (Sized_relobj::Address): New typedef.
1509         (Sized_relobj::invalid_address): Move here from child class.
1510         (Sized_relobj::Sized_relobj): Initialize new data members.
1511         (Sized_relobj::sized_relobj): New function.
1512         (Sized_relobj::is_output_section_offset_invalid): Move here from
1513         child class.
1514         (Sized_relobj::get_output_section_offset): Likewise.
1515         (Sized_relobj::local_has_got_offset): Likewise.
1516         (Sized_relobj::local_got_offset): Likewise.
1517         (Sized_relobj::set_local_got_offset): Likewise.
1518         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1519         (Sized_relobj::clear_got_offsets): New function.
1520         (Sized_relobj::section_offsets): Move here from child class.
1521         (Sized_relobj::do_output_section_offset): Likewise.
1522         (Sized_relobj::do_set_section_offset): Likewise.
1523         (Sized_relobj::Local_got_offsets): Likewise.
1524         (Sized_relobj::local_got_offsets_): Likewise.
1525         (Sized_relobj::section_offsets_): Likewise.
1526         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1527         references.
1528         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1529         class.
1530         (Sized_relobj_file::sized_relobj): New function
1531         (Sized_relobj_file::local_has_got_offset): Move to base class.
1532         (Sized_relobj_file::local_got_offset): Likewise.
1533         (Sized_relobj_file::set_local_got_offset): Likewise.
1534         (Sized_relobj_file::get_output_section_offset): Likewise.
1535         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1536         (Sized_relobj_file::do_output_section_offset): Likewise.
1537         (Sized_relobj_file::do_set_section_offset): Likewise.
1538         (Sized_relobj_file::Local_got_offsets): Likewise.
1539         (Sized_relobj_file::local_got_offsets_): Likewise.
1540         (Sized_relobj_file::section_offsets_): Likewise.
1541         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1542         (all constructors).
1543         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1544         (Output_reloc::get_symbol_index): Likewise.
1545         (Output_reloc::local_section_offset): Likewise.
1546         (Output_reloc::get_address): Likewise.
1547         (Output_reloc::symbol_value): Likewise.
1548         (Output_data_got::reserve_slot): Move to class definition.
1549         (Output_data_got::reserve_local): New function.
1550         (Output_data_got::reserve_slot_for_global): Remove.
1551         (Output_data_got::reserve_global): New function.
1552         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1553         (all constructors, two instantiations).
1554         (Output_reloc::get_relobj): New function (two instantiations).
1555         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1556         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1557         (Output_data_reloc::add_global): Adjust type of relobj.
1558         (Output_data_reloc::add_global_relative): Likewise.
1559         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1560         (Output_data_reloc::add_local): Likewise.
1561         (Output_data_reloc::add_local_relative): Likewise.
1562         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1563         (Output_data_reloc::add_local_section): Likewise.
1564         (Output_data_reloc::add_output_section): Likewise.
1565         (Output_data_reloc::add_absolute): Likewise.
1566         (Output_data_reloc::add_target_specific): Likewise.
1567         (Output_data_got::reserve_slot): Move definition here.
1568         (Output_data_got::reserve_local): New function.
1569         (Output_data_got::reserve_global): New function.
1570         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1571         section_offsets_ with accessor function.
1572         (Sized_relobj_file::write_sections): Likewise.
1573         (Sized_relobj_file::do_relocate_sections): Likewise.
1574         * target.h (Sized_target::reserve_local_got_entry): New function.
1575         (Sized_target::reserve_global_got_entry): New function.
1576         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1577         (Target_x86_64::reserve_global_got_entry): New function.
1578         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1579
1580 2011-05-23 Cary Coutant  <ccoutant@google.com>
1581
1582         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1583         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1584         bit when checking got_type.
1585         * incremental.cc (Sized_incremental_binary::setup_readers):
1586         Store symbol table and string table locations; initialize bit vector
1587         of file status flags.
1588         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1589         unchanged files.
1590         (Sized_incremental_binary::do_process_got_plt): New function.
1591         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1592         (Output_section_incremental_inputs::set_final_data_size): Record
1593         file index for each input file.
1594         (Output_section_incremental_inputs::write_got_plt): Store file index
1595         instead of input entry offset for each GOT entry.
1596         * incremental.h
1597         (Incremental_input_entry::Incremental_input_entry): Initialize new
1598         data member.
1599         (Incremental_input_entry::set_offset): Store file index.
1600         (Incremental_input_entry::get_file_index): New function.
1601         (Incremental_input_entry::file_index_): New data member.
1602         (Incremental_binary::process_got_plt): New function.
1603         (Incremental_binary::do_process_got_plt): New function.
1604         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1605         data members.
1606         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1607         (Sized_incremental_binary::set_file_is_unchanged): New function.
1608         (Sized_incremental_binary::file_is_unchanged): New function.
1609         (Sized_incremental_binary::do_process_got_plt): New function.
1610         (Sized_incremental_binary::file_status_): New data member.
1611         (Sized_incremental_binary::main_symtab_loc_): New data member.
1612         (Sized_incremental_binary::main_strtab_loc_): New data member.
1613         * output.cc (Output_data_got::Got_entry::write): Add case
1614         RESERVED_CODE.
1615         (Output_data_got::add_global): Call add_got_entry.
1616         (Output_data_got::add_global_plt): Likewise.
1617         (Output_data_got::add_global_with_rel): Likewise.
1618         (Output_data_got::add_global_with_rela): Likewise.
1619         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1620         (Output_data_got::add_global_pair_with_rela): Likewise.
1621         (Output_data_got::add_local): Call add_got_entry.
1622         (Output_data_got::add_local_plt): Likewise.
1623         (Output_data_got::add_local_with_rel): Likewise.
1624         (Output_data_got::add_local_with_rela): Likewise.
1625         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1626         (Output_data_got::add_local_pair_with_rela): Likewise.
1627         (Output_data_got::reserve_slot): New function.
1628         (Output_data_got::reserve_slot_for_global): New function.
1629         (Output_data_got::add_got_entry): New function.
1630         (Output_data_got::add_got_entry_pair): New function.
1631         (Output_section::add_output_section_data): Edit FIXME.
1632         * output.h
1633         (Output_section_data_build::Output_section_data_build): New
1634         constructor with size parameter.
1635         (Output_data_space::Output_data_space): Likewise.
1636         (Output_data_got::Output_data_got): Initialize new data member; new
1637         constructor with size parameter.
1638         (Output_data_got::add_constant): Call add_got_entry.
1639         (Output_data_got::reserve_slot): New function.
1640         (Output_data_got::reserve_slot_for_global): New function.
1641         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1642         (Output_data_got::add_got_entry): New function.
1643         (Output_data_got::add_got_entry_pair): New function.
1644         (Output_data_got::free_list_): New data member.
1645         * target.h (Sized_target::init_got_plt_for_update): New function.
1646         (Sized_target::register_global_plt_entry): New function.
1647         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1648         Initialize new data member; call init; add constructor with PLT count.
1649         (Output_data_plt_x86_64::init): New function.
1650         (Output_data_plt_x86_64::add_relocation): New function.
1651         (Output_data_plt_x86_64::reserve_slot): New function.
1652         (Output_data_plt_x86_64::free_list_): New data member.
1653         (Target_x86_64::init_got_plt_for_update): New function.
1654         (Target_x86_64::register_global_plt_entry): New function.
1655         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1656         incremental updates.
1657         (Output_data_plt_x86_64::add_relocation): New function.
1658         * testsuite/object_unittest.cc (Object_test): Set default options.
1659
1660 2011-05-16  Ian Lance Taylor  <iant@google.com>
1661
1662         * options.h (class General_options): Make -i a synonym for -r.
1663
1664 2011-05-16  Ian Lance Taylor  <iant@google.com>
1665
1666         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1667
1668 2011-05-10 Cary Coutant  <ccoutant@google.com>
1669
1670         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1671         strip_all (-s).
1672
1673 2011-05-06  Ian Lance Taylor  <iant@google.com>
1674
1675         * layout.cc (Layout::layout): If the output section flags change,
1676         update the ordering.
1677
1678 2011-04-25 Cary Coutant  <ccoutant@google.com>
1679
1680         * incremental-dump.cc (dump_incremental_inputs): Print local
1681         symbol info for each input file.
1682         * incremental.cc
1683         (Output_section_incremental_inputs::set_final_data_size): Add local
1684         symbol info to input file entries in incremental info.
1685         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1686         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1687         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1688         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1689         implementation.
1690         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1691         (Sized_incr_relobj::do_relocate): Write the local symbols.
1692         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1693         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1694         Adjust size of input file header.
1695         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1696         (Incremental_inputs_reader::get_local_symbol_count): New function.
1697         (Incremental_inputs_reader::get_input_section): Adjust size of input
1698         file header.
1699         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1700         (Sized_incr_relobj::This): New typedef.
1701         (Sized_incr_relobj::sym_size): New const data member.
1702         (Sized_incr_relobj::Local_symbol): New struct.
1703         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1704         (Sized_incr_relobj::do_local_symbol_offset): New function.
1705         (Sized_incr_relobj::local_symbol_count_): New data member.
1706         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1707         (Sized_incr_relobj::local_symbol_index_): New data member.
1708         (Sized_incr_relobj::local_symbol_offset_): New data member.
1709         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1710         (Sized_incr_relobj::local_symbols_): New data member.
1711         * object.h (Relobj::output_local_symbol_count): New function.
1712         (Relobj::local_symbol_offset): New function.
1713         (Relobj::do_output_local_symbol_count): New function.
1714         (Relobj::do_local_symbol_offset): New function.
1715         (Sized_relobj::do_output_local_symbol_count): New function.
1716         (Sized_relobj::do_local_symbol_offset): New function.
1717
1718 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1719
1720         * descriptors.cc (set_close_on_exec): New function.
1721         (Descriptors::open): Use set_close_on_exec.
1722         * output.cc (S_ISLNK): Define if not defined.
1723
1724 2011-04-22 Cary Coutant  <ccoutant@google.com>
1725
1726         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1727         global symbol map.
1728         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1729         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1730         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1731         relocations.
1732         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1733         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1734         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1735         * incremental.h
1736         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1737         function.
1738         (Incremental_binary::apply_incremental_relocs): New function.
1739         (Incremental_binary::do_apply_incremental_relocs): New function.
1740         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1741         data member.
1742         (Sized_incremental_binary::add_global_symbol): New function.
1743         (Sized_incremental_binary::global_symbol): New function.
1744         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1745         (Sized_incremental_binary::symbol_map_): New data member.
1746         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1747         * target.h (Sized_target::apply_relocation): New function.
1748         * target-reloc.h (apply_relocation): New function.
1749         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1750
1751 2011-04-22  Doug Kwan  <dougkwan@google.com>
1752
1753         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1754         flag of a SHT_ARM_EXIDX section.
1755         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1756         * testsuite/Makefile.in: Regenerate.
1757         * testsuite/arm_exidx_test.s: New file.
1758         * testsuite/arm_exidx_test.sh: Same.
1759
1760 2011-04-20 Cary Coutant  <ccoutant@google.com>
1761
1762         PR gold/12689
1763         * archive.h (Incremental_archive_entry::Archive_member):
1764         Initialize arg_serial_ (second constructor).
1765
1766 2011-04-17  Ian Lance Taylor  <iant@google.com>
1767
1768         * object.cc (Relocate_info::location): Simplify location string.
1769         * errors.cc (Errors::error_at_location): Don't print program
1770         name.
1771         (Errors::warning_at_location): Likewise.
1772         (Errors::undefined_symbol): Likewise.
1773         * testsuite/debug_msg.sh: Update accordingly.
1774
1775 2011-04-14 Cary Coutant  <ccoutant@google.com>
1776
1777         * gold/layout.cc (Layout::symtab_section_offset): New function.
1778         * gold/layout.h (Layout::symtab_section_offset): New function.
1779         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1780
1781 2011-04-12  Ian Lance Taylor  <iant@google.com>
1782
1783         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1784         with MREMAP_MAYMOVE.
1785         * output.h (class Output_file): Add map_is_allocated_ field.
1786         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1787         not available, provide stubs.  If mremap is not available, #define
1788         it to gold_mremap.
1789         (MREMAP_MAYMOVE): Define if not defined.
1790         (Output_file::Output_file): Initialize map_is_allocated_.
1791         (Output_file::resize): Check map_is_allocated_.
1792         (Output_file::map_anonymous): If mmap fails, use malloc.
1793         (Output_file::unmap): Don't do anything for an anonymous map.
1794         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1795         is not available, provide stubs.
1796         (File_read::View::~View): Use free rather than delete[].
1797         (File_read::make_view): Use malloc rather than new[].  If mmap
1798         fails, use malloc.
1799         (File_read::find_or_make_view): Use malloc rather than new[].
1800         * gold.h: Remove HAVE_REMAP code.
1801         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1802         exists.  Rename mremap to gold_mremap.  If mmap is not available
1803         don't do anything.
1804         * configure, config.in: Rebuild.
1805
1806 2011-04-11  Ian Lance Taylor  <iant@google.com>
1807
1808         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1809         initialize local variable v.
1810
1811 2011-04-11  Cary Coutant  <ccoutant@google.com>
1812
1813         * archive.cc (Archive::include_member): Adjust call to
1814         report_object.
1815         (Add_archive_symbols::run): Track argument serial numbers.
1816         (Lib_group::include_member): Likewise.
1817         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1818         * archive.h (Incremental_archive_entry::Archive_member):
1819         Initialize arg_serial_.
1820         (Archive_member::arg_serial_): New data member.
1821         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1822         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1823         incremental link.
1824         (Sized_dynobj::do_for_all_local_got_entries): New function.
1825         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1826         function.
1827         * fileread.cc (get_mtime): New function.
1828         * fileread.h (get_mtime): New function.
1829         * gold.cc (queue_initial_tasks): Check for incremental update.
1830         (process_incremental_input): New function.
1831         (queue_middle_tasks): Don't force valid target for incremental
1832         update.
1833         * incremental-dump.cc (find_input_containing_global): Adjust
1834         size of symbol info entry.
1835         (dump_incremental_inputs): Dump argument serial number and
1836         in_system_directory flag; bias shndx by 1; print symbol names
1837         when dumping per-file symbol lists; use new symbol info readers.
1838         * incremental.cc
1839         (Output_section_incremental_inputs:update_data_size): New function.
1840         (Sized_incremental_binary::setup_readers): Setup input readers
1841         for each input file; build maps for files added from libraries
1842         and scripts.
1843         (Sized_incremental_binary::check_input_args): New function.
1844         (Sized_incremental_binary::do_check_inputs): Build map of argument
1845         serial numbers to input arguments.
1846         (Sized_incremental_binary::do_file_has_changed): Rename
1847         do_file_is_unchanged to this; compare file modification times.
1848         (Sized_incremental_binary::do_init_layout): New function.
1849         (Sized_incremental_binary::do_reserve_layout): New function.
1850         (Sized_incremental_binary::do_get_input_reader): Remove.
1851         (Sized_incremental_binary::get_symtab_view): New function.
1852         (Incremental_checker::can_incrementally_link_output_file): Remove.
1853         (Incremental_inputs::report_command_line): Exclude --debug options.
1854         (Incremental_inputs::report_archive_begin): Add parameter; track
1855         argument serial numbers; don't put input file entry for archive
1856         before archive members.
1857         (Incremental_inputs::report_archive_end): Put input file entry
1858         for archive after archive members.
1859         (Incremental_inputs::report_object): Add parameter; track argument
1860         serial numbers and in_system_directory flag.
1861         (Incremental_inputs::report_script): Add parameter; track argument
1862         serial numbers.
1863         (Output_section_incremental_inputs::set_final_data_size): Adjust
1864         size of symbol info entry; check for forwarding symbols.
1865         (Output_section_incremental_inputs::write_input_files): Write
1866         in_system_directory flag and argument serial number.
1867         (Output_section_incremental_inputs::write_info_blocks): Map section
1868         indices between incremental info and original input file; store
1869         input section index for each symbol.
1870         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1871         change operator() to visit().
1872         (class Global_got_offset_visitor): Likewise.
1873         (class Global_symbol_visitor_got_plt):
1874         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1875         classes.
1876         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1877         (Sized_incr_relobj::do_read_symbols): New function.
1878         (Sized_incr_relobj::do_layout): New function.
1879         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1880         (Sized_incr_relobj::do_add_symbols): New function.
1881         (Sized_incr_relobj::do_should_include_member): New function.
1882         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1883         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1884         (Sized_incr_relobj::do_section_size): New function.
1885         (Sized_incr_relobj::do_section_name): New function.
1886         (Sized_incr_relobj::do_section_contents): New function.
1887         (Sized_incr_relobj::do_section_flags): New function.
1888         (Sized_incr_relobj::do_section_entsize): New function.
1889         (Sized_incr_relobj::do_section_address): New function.
1890         (Sized_incr_relobj::do_section_type): New function.
1891         (Sized_incr_relobj::do_section_link): New function.
1892         (Sized_incr_relobj::do_section_info): New function.
1893         (Sized_incr_relobj::do_section_addralign): New function.
1894         (Sized_incr_relobj::do_initialize_xindex): New function.
1895         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1896         (Sized_incr_relobj::do_read_relocs): New function.
1897         (Sized_incr_relobj::do_gc_process_relocs): New function.
1898         (Sized_incr_relobj::do_scan_relocs): New function.
1899         (Sized_incr_relobj::do_count_local_symbols): New function.
1900         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1901         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1902         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1903         (Sized_incr_relobj::do_relocate): New function.
1904         (Sized_incr_relobj::do_set_section_offset): New function.
1905         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1906         (Sized_incr_dynobj::do_read_symbols): New function.
1907         (Sized_incr_dynobj::do_layout): New function.
1908         (Sized_incr_dynobj::do_add_symbols): New function.
1909         (Sized_incr_dynobj::do_should_include_member): New function.
1910         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1911         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1912         (Sized_incr_dynobj::do_section_size): New function.
1913         (Sized_incr_dynobj::do_section_name): New function.
1914         (Sized_incr_dynobj::do_section_contents): New function.
1915         (Sized_incr_dynobj::do_section_flags): New function.
1916         (Sized_incr_dynobj::do_section_entsize): New function.
1917         (Sized_incr_dynobj::do_section_address): New function.
1918         (Sized_incr_dynobj::do_section_type): New function.
1919         (Sized_incr_dynobj::do_section_link): New function.
1920         (Sized_incr_dynobj::do_section_info): New function.
1921         (Sized_incr_dynobj::do_section_addralign): New function.
1922         (Sized_incr_dynobj::do_initialize_xindex): New function.
1923         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1924         (make_sized_incremental_object): New function.
1925         (Incremental_library::copy_unused_symbols): New function.
1926         (Incremental_library::do_for_all_unused_symbols): New function.
1927         * incremental.h (enum Incremental_input_flags): New type.
1928         (class Incremental_checker): Remove.
1929         (Incremental_input_entry::Incremental_input_entry): Add argument
1930         serial number.
1931         (Incremental_input_entry::arg_serial): New function.
1932         (Incremental_input_entry::set_is_in_system_directory): New function.
1933         (Incremental_input_entry::is_in_system_directory): New function.
1934         (Incremental_input_entry::arg_serial_): New data member.
1935         (Incremental_input_entry::is_in_system_directory_): New data member.
1936         (class Script_info): Move here from script.h.
1937         (Script_info::Script_info): Add filename parameter.
1938         (Script_info::filename): New function.
1939         (Script_info::filename_): New data member.
1940         (Incremental_script_entry::Incremental_script_entry): Add argument
1941         serial number.
1942         (Incremental_object_entry::Incremental_object_entry): Likewise.
1943         (Incremental_object_entry::add_input_section): Build list of input
1944         sections with map to original shndx.
1945         (Incremental_object_entry::get_input_section_index): New function.
1946         (Incremental_object_entry::shndx_): New data member.
1947         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1948         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1949         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1950         serial number.
1951         (Incremental_inputs::report_archive_begin): Likewise.
1952         (Incremental_inputs::report_object): Likewise.
1953         (Incremental_inputs::report_script): Likewise.
1954         (class Incremental_global_symbol_reader): New class.
1955         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1956         and store flags and input file type.
1957         (Incremental_input_entry_reader::arg_serial): New function.
1958         (Incremental_input_entry_reader::type): Extract type from flags.
1959         (Incremental_input_entry_reader::is_in_system_directory): New function.
1960         (Incremental_input_entry_reader::get_input_section_count): Call
1961         accessor function for type.
1962         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1963         function for type; adjust size of global symbol entry.
1964         (Incremental_input_entry_reader::get_global_symbol_count): Call
1965         accessor function for type.
1966         (Incremental_input_entry_reader::get_object_count): Likewise.
1967         (Incremental_input_entry_reader::get_object_offset): Likewise.
1968         (Incremental_input_entry_reader::get_member_count): Likewise.
1969         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1970         (Incremental_input_entry_reader::get_member_offset): Likewise.
1971         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1972         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1973         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1974         (Incremental_input_entry_reader::get_global_symbol_reader): New
1975         function.
1976         (Incremental_input_entry_reader::get_output_symbol_index): New
1977         function.
1978         (Incremental_input_entry_reader::type_): Remove.
1979         (Incremental_input_entry_reader::flags_): New data member.
1980         (Incremental_inputs_reader::input_file_offset): New function.
1981         (Incremental_inputs_reader::input_file_index): New function.
1982         (Incremental_inputs_reader::input_file): Call input_file_offset.
1983         (Incremental_inputs_reader::input_file_at_offset): New function.
1984         (Incremental_relocs_reader::get_r_type): Reformat.
1985         (Incremental_relocs_reader::get_r_shndx): Reformat.
1986         (Incremental_relocs_reader::get_r_offset): Reformat.
1987         (Incremental_relocs_reader::data): New function.
1988         (Incremental_binary::Incremental_binary): Initialize new data members.
1989         (Incremental_binary::check_inputs): Add cmdline parameter.
1990         (Incremental_binary::file_is_unchanged): Remove.
1991         (Input_reader::arg_serial): New function.
1992         (Input_reader::get_unused_symbol_count): New function.
1993         (Input_reader::get_unused_symbol): New function.
1994         (Input_reader::do_arg_serial): New function.
1995         (Input_reader::do_get_unused_symbol_count): New function.
1996         (Input_reader::do_get_unused_symbol): New function.
1997         (Incremental_binary::input_file_count): New function.
1998         (Incremental_binary::get_input_reader): Change signature to use
1999         index instead of filename.
2000         (Incremental_binary::file_has_changed): New function.
2001         (Incremental_binary::get_input_argument): New function.
2002         (Incremental_binary::get_library): New function.
2003         (Incremental_binary::get_script_info): New function.
2004         (Incremental_binary::init_layout): New function.
2005         (Incremental_binary::reserve_layout): New function.
2006         (Incremental_binary::output_file): New function.
2007         (Incremental_binary::do_check_inputs): New function.
2008         (Incremental_binary::do_file_is_unchanged): Remove.
2009         (Incremental_binary::do_file_has_changed): New function.
2010         (Incremental_binary::do_init_layout): New function.
2011         (Incremental_binary::do_reserve_layout): New function.
2012         (Incremental_binary::do_input_file_count): New function.
2013         (Incremental_binary::do_get_input_reader): Change signature.
2014         (Incremental_binary::input_args_map_): New data member.
2015         (Incremental_binary::library_map_): New data member.
2016         (Incremental_binary::script_map_): New data member.
2017         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2018         new data members.
2019         (Sized_incremental_binary::output_section): New function.
2020         (Sized_incremental_binary::inputs_reader): Add const.
2021         (Sized_incremental_binary::symtab_reader): Add const.
2022         (Sized_incremental_binary::relocs_reader): Add const.
2023         (Sized_incremental_binary::got_plt_reader): Add const.
2024         (Sized_incremental_binary::get_symtab_view): New function.
2025         (Sized_incremental_binary::Inputs_reader): New typedef.
2026         (Sized_incremental_binary::Input_entry_reader): New typedef.
2027         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2028         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2029         (Sized_incremental_binary::do_file_has_changed): New function.
2030         (Sized_incremental_binary::do_init_layout): New function.
2031         (Sized_incremental_binary::do_reserve_layout): New function.
2032         (Sized_input_reader::Inputs_reader): Remove.
2033         (Sized_input_reader::Input_entry_reader): Remove.
2034         (Sized_input_reader::do_arg_serial): New function.
2035         (Sized_input_reader::do_get_unused_symbol_count): New function.
2036         (Sized_input_reader::do_get_unused_symbol): New function.
2037         (Sized_incremental_binary::do_input_file_count): New function.
2038         (Sized_incremental_binary::do_get_input_reader): Change signature;
2039         use index instead of filename.
2040         (Sized_incremental_binary::section_map_): New data member.
2041         (Sized_incremental_binary::input_entry_readers_): New data member.
2042         (class Sized_incr_relobj): New class.
2043         (class Sized_incr_dynobj): New class.
2044         (make_sized_incremental_object): New function.
2045         (class Incremental_library): New class.
2046         * layout.cc (Free_list::num_lists): New static data member.
2047         (Free_list::num_nodes): New static data member.
2048         (Free_list::num_removes): New static data member.
2049         (Free_list::num_remove_visits): New static data member.
2050         (Free_list::num_allocates): New static data member.
2051         (Free_list::num_allocate_visits): New static data member.
2052         (Free_list::init): New function.
2053         (Free_list::remove): New function.
2054         (Free_list::allocate): New function.
2055         (Free_list::dump): New function.
2056         (Free_list::print_stats): New function.
2057         (Layout_task_runner::run): Resize output file for incremental updates.
2058         (Layout::Layout): Initialize new data members.
2059         (Layout::set_incremental_base): New function.
2060         (Layout::init_fixed_output_section): New function.
2061         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2062         incremental updates.
2063         (Layout::create_gold_note): Do not create gold note section for
2064         incremental updates.
2065         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2066         for incremental updates.
2067         (Layout::set_section_offsets): For incremental updates, allocate space
2068         from free list.
2069         (Layout::create_symtab_sections): Layout with offsets relative to
2070         start of section; for incremental updates, allocate space from free
2071         list.
2072         (Layout::create_shdrs): For incremental updates, allocate space from
2073         free list.
2074         (Layout::finish_dynamic_section): For incremental updates, do not
2075         check --as-needed (fixed in subsequent patch).
2076         * layout.h (class Free_list): New class.
2077         (Layout::set_incremental_base): New function.
2078         (Layout::incremental_base): New function.
2079         (Layout::init_fixed_output_section): New function.
2080         (Layout::allocate): New function.
2081         (Layout::incremental_base_): New data member.
2082         (Layout::free_list_): New data member.
2083         * main.cc (main): Print Free_list statistics.
2084         * object.cc (Relobj::finalize_incremental_relocs): Add
2085         clear_counts parameter; clear counts only when clear_counts is set.
2086         (Sized_relobj::Sized_relobj): Initialize new base class.
2087         (Sized_relobj::do_layout): Don't report special sections.
2088         (Sized_relobj::do_for_all_local_got_entries): New function.
2089         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2090         symtab_off to all symbol table offsets.
2091         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2092         * object.h (class Got_offset_list): Move to top of file.
2093         (Object::Object): Allow case where input_file == NULL.
2094         (Object::~Object): Likewise.
2095         (Object::input_file): Assert that input_file != NULL.
2096         (Object::lock): Allow case where input_file == NULL.
2097         (Object::unlock): Likewise.
2098         (Object::is_locked): Likewise.
2099         (Object::token): Likewise.
2100         (Object::release): Likewise.
2101         (Object::is_incremental): New function.
2102         (Object::get_mtime): New function.
2103         (Object::for_all_local_got_entries): New function.
2104         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2105         (Object::set_is_in_system_directory): New function.
2106         (Object::is_in_system_directory): New function.
2107         (Object::do_is_incremental): New function.
2108         (Object::do_get_mtime): New function.
2109         (Object::do_for_all_local_got_entries): New function.
2110         (Object::is_in_system_directory_): New data member.
2111         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2112         (class Sized_relobj_base): New class.
2113         (class Sized_relobj): Derive from Sized_relobj_base.
2114         (class Sized_relobj::Symbols): Redeclare from base class.
2115         (class Sized_relobj::local_got_offset_list): Remove.
2116         (class Sized_relobj::Output_sections): Redeclare from base class.
2117         (class Sized_relobj::do_for_all_local_got_entries): New function.
2118         (class Sized_relobj::write_local_symbols): Add offset parameter.
2119         (class Sized_relobj::local_symbol_offset_): Update comment.
2120         (class Sized_relobj::local_dynsym_offset_): Update comment.
2121         * options.cc (Input_arguments::add_file): Remove const.
2122         * options.h (Input_file_argument::Input_file_argument):
2123         Initialize arg_serial_ (all constructors).
2124         (Input_file_argument::set_arg_serial): New function.
2125         (Input_file_argument::arg_serial): New function.
2126         (Input_file_argument::arg_serial_): New data member.
2127         (Input_arguments::Input_arguments): Initialize file_count_.
2128         (Input_arguments::add_file): Remove const.
2129         (Input_arguments::number_of_input_files): New function.
2130         (Input_arguments::file_count_): New data member.
2131         (Command_line::number_of_input_files): Call
2132         Input_arguments::number_of_input_files.
2133         * output.cc (Output_segment_headers::Output_segment_headers):
2134         Set current size.
2135         (Output_section::Input_section::current_data_size): New function.
2136         (Output_section::Output_section): Initialize new data members.
2137         (Output_section::add_input_section): Don't do merge sections for
2138         an incremental link; allocate space from free list for an
2139         incremental update.
2140         (Output_section::add_output_section_data): Allocate space from
2141         free list for an incremental update.
2142         (Output_section::update_data_size): New function.
2143         (Output_section::set_fixed_layout): New function.
2144         (Output_section::reserve): New function.
2145         (Output_segment::set_section_addresses): Remove const.
2146         (Output_segment::set_section_list_addresses): Remove const; allocate
2147         space from free list for an incremental update.
2148         (Output_segment::set_offset): Adjust size of RELRO segment for an
2149         incremental update.
2150         * output.h (Output_data::current_data_size): Move here from
2151         child classes.
2152         (Output_data::pre_finalize_data_size): New function.
2153         (Output_data::update_data_size): New function.
2154         (Output_section_headers::update_data_size): new function.
2155         (Output_section_data_build::current_data_size): Move to Output_data.
2156         (Output_data_strtab::update_data_size): New function.
2157         (Output_section::current_data_size): Move to Output_data.
2158         (Output_section::set_fixed_layout): New function.
2159         (Output_section::has_fixed_layout): New function.
2160         (Output_section::reserve): New function.
2161         (Output_section::update_data_size): New function.
2162         (Output_section::has_fixed_layout_): New data member.
2163         (Output_section::free_list_): New data member.
2164         (Output_segment::set_section_addresses): Remove const.
2165         (Output_segment::set_section_list_addresses): Remove const.
2166         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2167         New function.
2168         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2169         New function.
2170         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2171         parameter when calling Add_symbols constructor; store argument
2172         serial number for members of a lib group.
2173         (Add_symbols::locks): Allow case where token == NULL.
2174         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2175         (Read_member::~Read_member): New function.
2176         (Read_member::is_runnable): New function.
2177         (Read_member::locks): New function.
2178         (Read_member::run): New function.
2179         (Check_script::~Check_script): New function.
2180         (Check_script::is_runnable): New function.
2181         (Check_script::locks): New function.
2182         (Check_script::run): New function.
2183         (Check_library::~Check_library): New function.
2184         (Check_library::is_runnable): New function.
2185         (Check_library::locks): New function.
2186         (Check_library::run): New function.
2187         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2188         (Add_symbols::library_): New data member.
2189         (class Read_member): New class.
2190         (class Check_script): New class.
2191         (class Check_library): New class.
2192         * reloc.cc (Read_relocs::is_runnable): Allow case where
2193         token == NULL.
2194         (Read_relocs::locks): Likewise.
2195         (Scan_relocs::locks): Likewise.
2196         (Relocate_task::locks): Likewise.
2197         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2198         to clear counters.
2199         (Sized_relobj::incremental_relocs_scan): Fix comment.
2200         (Sized_relobj::do_relocate): Pass output file offset to
2201         write_local_symbols.
2202         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2203         from class declaration.
2204         * script.cc (read_input_script): Allocate Script_info; pass
2205         argument serial number to report_script.
2206         * script.h (class Script_info): Move to incremental.h.
2207         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2208         * symtab.h (Symbol_table::add_from_incrobj): New function.
2209         (Symbol_table::set_file_offset): New function.
2210
2211 2011-04-05  Cary Coutant  <ccoutant@google.com>
2212
2213         * incremental-dump.cc (dump_incremental_inputs): Change signature
2214         to take a Sized_incremental_binary; change caller.  Use readers
2215         in Sized_incremental_binary.
2216         * incremental.cc
2217         (Sized_incremental_binary::find_incremental_inputs_sections):
2218         Rename do_find_incremental_inputs_sections to this.
2219         (Sized_incremental_binary::setup_readers): New function.
2220         (Sized_incremental_binary::do_check_inputs): Check
2221         has_incremental_info_ flag; move setup code to setup_readers;
2222         use input readers.
2223         (Sized_incremental_binary::do_file_is_unchanged): New function.
2224         (Sized_incremental_binary::do_get_input_reader): New function.
2225         * incremental.h (class Incremental_binary): Move to end of file.
2226         (Incremental_binary::file_is_unchanged): New function.
2227         (Incremental_binary::do_file_is_unchanged): New function.
2228         (Incremental_binary::Input_reader): New class.
2229         (Incremental_binary::get_input_reader): New function.
2230         (class Sized_incremental_binary): Move to end of file.
2231         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2232         input section reader classes.
2233         (Sized_incremental_binary::has_incremental_info): New function.
2234         (Sized_incremental_binary::inputs_reader): New function.
2235         (Sized_incremental_binary::symtab_reader): New function.
2236         (Sized_incremental_binary::relocs_reader): New function.
2237         (Sized_incremental_binary::got_plt_reader): New function.
2238         (Sized_incremental_binary::do_file_is_unchanged): New function.
2239         (Sized_incremental_binary::Sized_input_reader): New class.
2240         (Sized_incremental_binary::get_input_reader): New function.
2241         (Sized_incremental_binary::find_incremental_inputs_sections):
2242         Rename do_find_incremental_inputs_sections to this.
2243         (Sized_incremental_binary::setup_readers): New function.
2244         (Sized_incremental_binary::has_incremental_info_): New data member.
2245         (Sized_incremental_binary::inputs_reader_): New data member.
2246         (Sized_incremental_binary::symtab_reader_): New data member.
2247         (Sized_incremental_binary::relocs_reader_): New data member.
2248         (Sized_incremental_binary::got_plt_reader_): New data member.
2249         (Sized_incremental_binary::current_input_file_): New data member.
2250
2251 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2252
2253         PR gold/12640
2254         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2255         violation.
2256
2257 2011-03-30  Cary Coutant  <ccoutant@google.com>
2258
2259         * archive.cc (Archive::include_member): Adjust call to report_object.
2260         (Add_archive_symbols::run): Add script_info to call to
2261         report_archive_begin.
2262         (Lib_group::include_member): Adjust call to report_object.
2263         (Add_lib_group_symbols::run): Adjust call to report_object.
2264         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2265         blocks.  Add object count for script input files.
2266         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2267         script_info parameter; change all callers.
2268         (Incremental_inputs::report_object): Add script_info parameter;
2269         change all callers.
2270         (Incremental_inputs::report_script): Store backpointer to
2271         incremental info entry.
2272         (Output_section_incremental_inputs::set_final_data_size): Record
2273         additional information for scripts.
2274         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2275         * incremental.h (Incremental_script_entry::add_object): New function.
2276         (Incremental_script_entry::get_object_count): New function.
2277         (Incremental_script_entry::get_object): New function.
2278         (Incremental_script_entry::objects_): New data member; adjust
2279         constructor.
2280         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2281         (Incremental_inputs::report_object): Add script_info parameter.
2282         (Incremental_inputs_reader::get_object_count): New function.
2283         (Incremental_inputs_reader::get_object_offset): New function.
2284         * options.cc (Input_arguments::add_file): Return reference to
2285         new input argument.
2286         * options.h (Input_argument::set_script_info): New function.
2287         (Input_argument::script_info): New function.
2288         (Input_argument::script_info_): New data member; adjust all
2289         constructors.
2290         (Input_file_group::add_file): Return reference to new input argument.
2291         (Input_file_lib::add_file): Likewise.
2292         (Input_arguments::add_file): Likewise.
2293         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2294         * script.cc (Parser_closure::Parser_closure): Add script_info
2295         parameter; adjust all callers.
2296         (Parser_closure::script_info): New function.
2297         (Parser_closure::script_info_): New data member.
2298         (read_input_script): Report scripts earlier to incremental info.
2299         (script_add_file): Set script_info in Input_argument.
2300         (script_add_library): Likewise.
2301         * script.h (Script_options::Script_info): Rewrite class.
2302
2303 2011-03-29  Cary Coutant  <ccoutant@google.com>
2304
2305         * archive.cc (Library_base::should_include_member): Move
2306         method here from class Archive.
2307         (Archive::Archive): Initialize base class.
2308         (Archive::should_include_member): Move to base class.
2309         (Archive::do_for_all_unused_symbols): New function.
2310         (Add_archive_symbols::run): Remove redundant access to
2311         incremental_inputs.
2312         (Lib_group::Lib_group): Initialize base class.
2313         (Lib_group::do_filename): New function.
2314         (Lib_group::include_member): Pass pointer to Lib_group to
2315         report_object.
2316         (Lib_group::do_for_all_unused_symbols): New function.
2317         (Add_lib_group_symbols::run): Report archive information for
2318         incremental links.
2319         * archive.h (class Library_base): New base class.
2320         (class Archive): Derive from Library_base.
2321         (Archive::filename): Move to base class.
2322         (Archive::set_incremental_info): Likewise.
2323         (Archive::incremental_info): Likewise.
2324         (Archive::Should_include): Likewise.
2325         (Archive::should_include_member): Likewise.
2326         (Archive::Armap_entry): Remove.
2327         (Archive::Unused_symbol_iterator): Remove.
2328         (Archive::unused_symbols_begin): Remove.
2329         (Archive::unused_symbols_end): Remove.
2330         (Archive::do_filename): New function.
2331         (Archive::do_get_mtime): New function.
2332         (Archive::do_for_all_unused_symbols): New function.
2333         (Archive::task_): Move to base class.
2334         (Archive::incremental_info_): Likewise.
2335         (class Lib_group): Derive from Library_base.
2336         (Lib_group::do_filename): New function.
2337         (Lib_group::do_get_mtime): New function.
2338         (Lib_group::do_for_all_unused_symbols): New function.
2339         (Lib_group::task_): Move to base class.
2340         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2341         function.
2342         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2343         function.
2344         * incremental.cc (Incremental_inputs::report_archive_begin):
2345         Use Library_base; call library's get_mtime; add incremental inputs
2346         entry before members.
2347         (class Unused_symbol_visitor): New class.
2348         (Incremental_inputs::report_archive_end): Use Library_base; use
2349         visitor class to record unused symbols; don't add incremental inputs
2350         entry after members.
2351         (Incremental_inputs::report_object): Use Library_base.
2352         * incremental.h
2353         (Incremental_archive_entry::Incremental_archive_entry): Remove
2354         unused Archive parameter.
2355         (Incremental_inputs::report_archive_begin): Use Library_base.
2356         (Incremental_inputs::report_archive_end): Likewise.
2357         (Incremental_inputs::report_object): Likewise.
2358         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2359         function.
2360         * object.h (Object::for_all_global_symbols): New function.
2361         (Object::do_for_all_global_symbols): New function.
2362         (Sized_relobj::do_for_all_global_symbols): New function.
2363         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2364         function.
2365         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2366         function.
2367
2368 2011-03-27  Ian Lance Taylor  <iant@google.com>
2369
2370         * archive.cc (Archive::interpret_header): Return -1 if something
2371         goes wrong.  Change callers accordingly.
2372
2373 2011-03-25  Cary Coutant  <ccoutant@google.com>
2374
2375         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2376         * testsuite/Makefile.in: Regenerate.
2377
2378 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2379
2380         * plugin.cc (get_view): New.
2381         (Plugin::load): Pass get_view to the plugin.
2382         (Plugin_manager::get_view): New.
2383
2384 2011-03-21  Ian Lance Taylor  <iant@google.com>
2385
2386         * testsuite/final_layout.sh: Rewrite to not use dc.
2387         * testsuite/relro_test.sh: Fail if dc is not present.
2388
2389 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2390
2391         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2392         Change == to -eq.
2393         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2394         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2395         Change == to -eq.
2396         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2397         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2398
2399 2011-03-14  Ian Lance Taylor  <iant@google.com>
2400
2401         * script-sections.cc (Sort_output_sections::script_compare):
2402         Rename from is_before, change return type.
2403         (Sort_output_sections::operator()): Adjust accordingly.
2404
2405 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2406
2407         PR gold/12572
2408         * testsuite/odr_violation2.cc: Add comment to make all error line
2409         numbers double digits.
2410         * testsuite/debug_msg.sh: Adjust expected errors.
2411
2412 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2413
2414         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2415         but mark earlier ones as non-canonical
2416         (offset_to_iterator): Update search target and example
2417         (do_addr2line): Return extra lines in a vector*
2418         (format_file_lineno): Extract from do_addr2line
2419         (one_addr2line): Add vector* out-param
2420         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2421         when a lineno entry appeared last for its instruction
2422         (Dwarf_line_info): Add vector* out-param
2423         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2424         * symtab.cc (Odr_violation_compare): Include the lineno in the
2425         comparison again.
2426         (linenos_from_loc): New. Combine the canonical line for an
2427         address with its other lines.
2428         (True_if_intersect): New. Helper functor to make
2429         std::set_intersection a query.
2430         (detect_odr_violations): Compare sets of lines instead of just
2431         one line for each function. This became less deterministic, but
2432         has fewer false positives.
2433         * symtab.h: Declarations.
2434         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2435         mix an optimized and non-optimized object in the same binary
2436         (odr_violation2.so): Same.
2437         * testsuite/Makefile.in: Regenerate from Makefile.am.
2438         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2439         * testsuite/debug_msg.sh: Update line numbers and add
2440         assertions.
2441         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2442         non-optimized context.
2443         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2444         isn't inlined, and use OdrDerived in an optimized context.
2445         * testsuite/odr_header1.h: Defines OdrDerived, where
2446         optimization will change the
2447         first-instruction-in-the-destructor's file and line number.
2448         * testsuite/odr_header2.h: Defines OdrBase.
2449
2450 2011-03-09  Ian Lance Taylor  <iant@google.com>
2451
2452         * fileread.cc (File_read::clear_views): Don't delete the whole
2453         file view.
2454
2455 2011-03-08  Ian Lance Taylor  <iant@google.com>
2456
2457         PR gold/12525
2458         * fileread.cc: #include <climits>.
2459         (GOLD_IOV_MAX): Define.
2460         (File_read::read_multiple): Limit number of entries by iov_max.
2461         * fileread.h (class File_read): Always set max_readv_entries to
2462         128.
2463
2464 2011-03-07  Ian Lance Taylor  <iant@google.com>
2465
2466         PR gold/12525
2467         * options.h (class General_options): Add -dy and -dn.
2468
2469 2011-03-02  Cary Coutant  <ccoutant@google.com>
2470
2471         * testsuite/script_test_9.t: Add TLS segment.
2472
2473 2011-03-02  Simon Baldwin  <simonb@google.com>
2474
2475         * configure.ac: Add check for gnu_indirect_function support in
2476         the toolchain building binutils.
2477         * configure: Rebuild.
2478
2479 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2480
2481         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2482         plugin only symbols.
2483         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2484         in plugin files as not needed in the symbol table.
2485
2486 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2487
2488         * output.cc (Output_section::add_input_section): Delay fill
2489         generation for section ordering.
2490
2491 2011-02-09  Ian Lance Taylor  <iant@google.com>
2492
2493         PR gold/12316
2494         * object.h (class Sized_relobj): Remove clear_local_symbols.
2495         * reloc.cc (Sized_relobj::do_relocate): Don't call
2496         clear_local_symbols.
2497
2498 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2499
2500         * plugin.cc (is_visible_from_outside): Return true for symbols
2501         in the -u option.
2502
2503 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2504
2505         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2506         filename.
2507
2508 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2509
2510         * icf.h (is_section_foldable_candidate): Change type of parameter
2511         to std::string.
2512         * icf.cc (Icf::find_identical_sections): Change type of local variable
2513         section_name to be std::string.
2514         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2515
2516 2011-01-25  Ian Lance Taylor  <iant@google.com>
2517
2518         * script.cc (script_add_extern): Rewrite to use
2519         add_symbol_reference.
2520
2521 2011-01-25  Doug Kwan  <dougkwan@google.com>
2522
2523         * icf.cc (get_section_contents): Always lock section's object.
2524
2525 2011-01-24  Ian Lance Taylor  <iant@google.com>
2526
2527         * options.h (class General_options): Accept
2528         --no-detect-odr-violations.
2529
2530 2011-01-24  Ian Lance Taylor  <iant@google.com>
2531
2532         * version.cc (version_string): Bump to 1.11.
2533
2534 2011-01-24  Ian Lance Taylor  <iant@google.com>
2535
2536         * plugin.cc (class Plugin_rescan): Define new class.
2537         (Plugin_manager::claim_file): Set any_claimed_.
2538         (Plugin_manager::save_archive): New function.
2539         (Plugin_manager::save_input_group): New function.
2540         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2541         necessary.
2542         (Plugin_manager::new_undefined_symbol): New function.
2543         (Plugin_manager::rescan): New function.
2544         (Plugin_manager::rescannable_defines): New function.
2545         (Plugin_manager::add_input_file): Set any_added_.
2546         * plugin.h (class Plugin_manager): define new fields rescannable_,
2547         undefined_symbols_, any_claimed_, and any_added_.  Declare
2548         Plugin_rescan as friend.  Declare new functions.
2549         (Plugin_manager::Rescannable): Define type.
2550         (Plugin_manager::Rescannable_list): Define type.
2551         (Plugin_manager::Undefined_symbol_list): Define type.
2552         (Plugin_manager::Plugin_manager): Initialize new fields.
2553         * archive.cc (Archive::defines_symbol): New function.
2554         (Add_archive_symbols::run): Pass archive to plugins if any.
2555         * archive.h (class Archive): Declare defines_symbol.
2556         * readsyms.cc (Input_group::~Input_group): New function.
2557         (Finish_group::run): Pass input_group to plugins if any.
2558         * readsyms.h (class Input_group): Declare destructor.
2559         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2560         any.
2561
2562 2011-01-10  Ian Lance Taylor  <iant@google.com>
2563
2564         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2565         section as relro.
2566         (Layout::set_segment_offsets): Reset increase_relro before calling
2567         set_section_addresses a second time.
2568
2569 2011-01-04  Cary Coutant  <ccoutant@google.com>
2570
2571         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2572         sections before NOBITS sections.
2573
2574 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2575
2576         * version.cc (print_version): Update copyright to 2011.
2577
2578 2010-12-23  Cary Coutant  <ccoutant@google.com>
2579
2580         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2581         of OS to this->add.  Add OD parameter to second form of the function.
2582
2583 2010-12-20  Ian Lance Taylor  <iant@google.com>
2584
2585         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2586         second of two consecutive entries with same offset.
2587
2588 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2589
2590         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2591         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2592         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2593         to avoid unneeded links against $(LDADD).
2594         * testsuite/Makefile.in: Regenerate.
2595
2596 2010-12-15  Ian Lance Taylor  <iant@google.com>
2597
2598         PR gold/12324
2599         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2600         for R_X86_64_32 and R_X86_64_PC32.
2601         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2602         ver_matching_def_pic.o.
2603         (ver_matching_def_pic.o): New target.
2604
2605 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2606
2607         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2608         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2609         Move definition before File_read::View member definitions.
2610         (File_read::View::~View): Initialize and hold lock before
2611         updating current_mapped_bytes.
2612
2613 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2614
2615         * dwarf_reader.cc: Remove outdated comment.
2616         * gold-threads.cc: Fix typo in error message.
2617         * archive.cc: Fix typos in comments.
2618         * archive.h: Likewise.
2619         * arm-reloc-property.cc: Likewise.
2620         * arm-reloc-property.h: Likewise.
2621         * arm-reloc.def: Likewise.
2622         * arm.cc: Likewise.
2623         * attributes.h: Likewise.
2624         * cref.cc: Likewise.
2625         * ehframe.cc: Likewise.
2626         * fileread.h: Likewise.
2627         * gold.h: Likewise.
2628         * i386.cc: Likewise.
2629         * icf.cc: Likewise.
2630         * incremental.h: Likewise.
2631         * int_encoding.cc: Likewise.
2632         * layout.h: Likewise.
2633         * main.cc: Likewise.
2634         * merge.h: Likewise.
2635         * object.cc: Likewise.
2636         * object.h: Likewise.
2637         * options.cc: Likewise.
2638         * readsyms.cc: Likewise.
2639         * reduced_debug_output.cc: Likewise.
2640         * reloc.cc: Likewise.
2641         * script-sections.cc: Likewise.
2642         * sparc.cc: Likewise.
2643         * symtab.h: Likewise.
2644         * target-reloc.h: Likewise.
2645         * target.cc: Likewise.
2646         * target.h: Likewise.
2647         * timer.cc: Likewise.
2648         * timer.h: Likewise.
2649         * x86_64.cc: Likewise.
2650
2651 2010-12-09  Cary Coutant  <ccoutant@google.com>
2652
2653         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2654         stack.
2655         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2656         parameter; change all callers.
2657         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2658         * options.h (warn_execstack): New option.
2659
2660 2010-12-07  Doug Kwan  <dougkwan@google.com>
2661
2662         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2663         like function call relocations.
2664
2665 2010-12-07  Ian Lance Taylor  <iant@google.com>
2666
2667         * archive.cc (Archive::get_elf_object_for_member): Permit
2668         punconfigured to be NULL.
2669         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2670         (Archive::include_member): Pass NULL to get_elf_object_for_member
2671         if we searched for the archive and this is the first included
2672         object.
2673
2674 2010-12-01  Ian Lance Taylor  <iant@google.com>
2675
2676         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2677         track_relocs_type_ field.
2678         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2679         Set track_relocs_type_.
2680         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2681         contents when using RELA relocs.
2682         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2683         reloc_map_.
2684         * reloc.cc (Track_relocs::next_addend): New function.
2685         * reloc.h (class Track_relocs): Declare next_addend.
2686
2687 2010-12-01  Ian Lance Taylor  <iant@google.com>
2688
2689         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2690         virtual destructor.
2691
2692 2010-12-01  Ian Lance Taylor  <iant@google.com>
2693
2694         * README: Update compilers known to work and fail.
2695
2696 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2697
2698         * configure.in: For --enable-gold, handle value `default' instead of
2699         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2700         not the default.
2701         * configure: Regenerate.
2702
2703 2010-11-18  Doug Kwan  <dougkwan@google.com>
2704
2705         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2706         and right_alignment to be zero.  Store result alignment only if it is
2707         greater than existing alignment.
2708
2709 2010-11-16  Cary Coutant  <ccoutant@google.com>
2710
2711         PR gold/12220
2712         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2713         Check for ".zdebug_line".
2714
2715 2010-11-16  Doug Kwan  <dougkwan@google.com>
2716             Cary Coutant  <ccoutant@google.com>
2717
2718         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2719         by reference; adjust all callers.
2720         * output.cc (Output_segment::set_section_addresses): Adjust references
2721         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2722         list is empty.
2723         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2724         end at page boundary.
2725
2726 2010-11-16  Cary Coutant  <ccoutant@google.com>
2727
2728         PR gold/12220
2729         * layout.cc (Layout::choose_output_section): Transform names of
2730         compressed sections even when using a script with a SECTIONS clause.
2731         (Layout::output_section_name): Remove code to transform
2732         compressed debug section names.
2733         * output.cc (Output_section::add_input_section): Use uncompressed
2734         section size when tracking input sections.
2735
2736 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2737
2738         * symtab.h (Symbol::NON_PIC_REF): Remove.
2739         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2740         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2741         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2742         (Symbol::use_plt_offset): Take a flags argument and pass it
2743         directly to needs_dynamic_reloc.  Restrict check for undefined
2744         weak symbols to function calls.
2745         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2746         (Target_arm::Scan::global): Use it.
2747         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2748         (Target_arm::Relocate::relocate): Likewise.
2749         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2750         parameter with an r_type parameter.  Use get_reference_flags
2751         to get the flags.
2752         (Target_arm::Relocate::relocate): Update accordingly.
2753         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2754         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2755         (Target_i386::Scan::global): Likewise.
2756         (Target_i386::Relocate::relocate): Likewise.
2757         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2758         parameter with an r_type parameter.  Use get_reference_flags
2759         to get the flags.
2760         (Target_i386::Relocate::relocate): Update accordingly.
2761         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2762         (Target_powerpc::Scan::global): Use it.
2763         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2764         (Target_powerpc::Relocate::relocate): Likewise.
2765         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2766         (Target_sparc::Scan::global): Use it.
2767         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2768         (Target_sparc::Relocate::relocate): Likewise.
2769         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2770         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2771         (Target_x86_64::Scan::global): Likewise.
2772         (Target_x86_64::Relocate::relocate): Likewise.
2773
2774 2010-11-08  Doug Kwan  <dougkwan@google.com>
2775             Cary Coutant  <ccoutant@google.com>
2776
2777         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2778         (Arm_exidx_merge_section::section_contents_): New data member.
2779         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2780         (Arm_input_section::~Arm_input_section): De-allocate memory.
2781         (Arm_input_section::original_contents_): New data member.
2782         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2783         in parameters instead of calling Object::section_contents without
2784         locking.
2785         (Arm_output_section::group_section): New parameter TASK.  Pass it
2786         to callees that need locking objects.
2787         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2788         to lock EXIDX input sections.  Fix a formatting issue.  Call
2789         Arm_exidx_merged_section::build_contents to create merged section
2790         contents.
2791         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2792         to lock object of stub table owner.
2793         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2794         TEXT_SIZE to initialize data member TEXT_SIZE_.
2795         (Arm_exidx_input_section::addralign): Fix typo in comment.
2796         (Arm_exidx_input_section::text_size): New method.
2797         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2798         that require locking objects.  Lock objects before scanning for stubs
2799         and updating local symbols.
2800         (Arm_input_section<big_endian>::init): Copy contents of original
2801         input section.
2802         (Arm_input_section<big_endian>::do_write): Use saved contents of
2803         original input section instead of calling Object::section_contents
2804         without locking.
2805         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2806         size without calling Object::section_size().
2807         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2808         for size.  Allocate a buffer for merged EXIDX entries.
2809         (Arm_exidx_merged_section::build_contents): New method.
2810         (Arm_exidx_merged_section::do_write): Move merge section contents
2811         building code to Arm_exidx_merged_section::build_contetns.  Write
2812         out contetns in buffer instead of building it on the fly.
2813         (Arm_relobj::make_exidx_input_section): Also pass text section size
2814         to Arm_exidx_input_section constructor.
2815         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2816         (Arm_dynobj::do_read_symbols): Fix memory leak.
2817         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2818         * target.h: (class Task): Add forward declaration.
2819         (Target::relax): Add new parameter TASK and pass it to
2820         Target::do_relax().
2821         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2822
2823 2010-11-05  Cary Coutant  <ccoutant@google.com>
2824
2825         PR gold/10708
2826         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2827         object when reading from the file.
2828         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2829         second layout pass.
2830         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2831         when reading section contents.
2832         (get_section_contents): Likewise.
2833         (icf::find_identical_sections): Likewise.
2834         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2835         object when reading from the file.
2836         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2837         the object when doing deferred section layout.
2838
2839 2010-11-03  Nick Clifton  <nickc@redhat.com>
2840
2841         PR gold/12001
2842         * script.h (class Symbol_assignment: name): New member.  Returns
2843         the name of the symbol.
2844         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2845         Returns true if the given symbol name is on the list of
2846         assignments wating to be processed.
2847         * archive.cc (should_incldue_member): If the symbol is undefined,
2848         check to see if it is on the list of symbols pending assignment.
2849
2850 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2851
2852         * script-sections.cc (Script_sections::find_memory_region): Check
2853         for a NULL output section pointer.
2854
2855 2010-10-29  Doug Kwan  <dougkwan@google.com>
2856
2857         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2858         Output_section::add_relaxed_input_section.
2859         * output.cc (Output_section::add_relaxed_input_section): Add new
2860         arguments LAYOUT and NAME.  Set section order index.
2861         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2862         Copy section order index.
2863         * output.h (Output_section::add_relaxed_input_section): Add new
2864         arguments LAYOUT and NAME.
2865
2866 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2867
2868         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2869         NATIVE_OR_CROSS_LINKER.
2870         * testsuite/Makefile.in: Regenerate.
2871
2872 2010-10-20  Doug Kwan  <dougkwan@google.com>
2873
2874         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2875         without SHF_LINK_ORDER flags.
2876         * layout.cc (Layout::choose_output_section): Do not filter
2877         SHF_LINK_ORDER flag in a relocatable link.
2878
2879 2010-10-17  Cary Coutant  <ccoutant@google.com>
2880
2881         * output.h (Output_segment::set_section_addresses): Change function
2882         signature.  Update all callers.
2883         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2884         sections.
2885         (Output_segment::set_section_addresses): Align after last TLS
2886         section.  Add padding before last relro section instead of after.
2887
2888 2010-10-17  Doug Kwan  <dougkwan@google.com>
2889
2890         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2891         GOT output section to be writable.
2892
2893 2010-10-14  Cary Coutant  <ccoutant@google.com>
2894
2895         * debug.h (DEBUG_INCREMENTAL): New flag.
2896         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2897         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2898         mode.
2899         * incremental.cc (report_command_line): Ignore all forms of
2900         --incremental.
2901         * layout.cc (Layout::Layout): Check parameters for incremental link
2902         mode.
2903         * options.cc (General_options::parse_incremental): New function.
2904         (General_options::parse_no_incremental): New function.
2905         (General_options::parse_incremental_full): New function.
2906         (General_options::parse_incremental_update): New function.
2907         (General_options::incremental_mode_): New data member.
2908         (General_options::finalize): Check incremental_mode_.
2909         * options.h (General_options): Update help text for --incremental.
2910         Add --no-incremental, --incremental-full, --incremental-update.
2911         (General_options::Incremental_mode): New enum type.
2912         (General_options::incremental_mode): New function.
2913         (General_options::incremental_mode_): New data member.
2914         * parameters.cc (Parameters::incremental_mode_): New data member.
2915         (Parameters::set_options): Set incremental_mode_.
2916         (Parameters::set_incremental_full): New function.
2917         (Parameters::incremental): New function.
2918         (Parameters::incremental_update): New function.
2919         (set_parameters_incremental_full): New function.
2920         * parameters.h (Parameters::set_incremental_full): New function.
2921         (Parameters::incremental): New function.
2922         (Parameters::incremental_update): New function.
2923         (Parameters::incremental_mode_): New data member.
2924         (set_parameters_incremental_full): New function.
2925         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2926         incremental link mode.
2927         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2928         (Sized_relobj::do_relocate_sections): Likewise.
2929         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2930         option.
2931         * testsuite/Makefile.in: Regenerate.
2932         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2933
2934 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2935
2936         * script-sections.h (class Script_sections): Make
2937         Sections_elements typedef public.
2938         * script-sections.cc (class Sort_output_sections): Add elements_
2939         field.  Add constructor which sets it; change all callers.
2940         (Sort_output_sections::is_before): New function.
2941         (Sort_output_sections::operator()): Call is_before.
2942         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2943         conditional.
2944         * testsuite/script_test_10.sh: New test. Test script section
2945         order.
2946         * testsuite/script_test_10.t: Likewise.
2947         * testsuite/script_test_10.s: Likewise.
2948         * testsuite/Makefile.am: Wrap the cross linker tests and the
2949         common tests into NATIVE_OR_CROSS_LINKER.
2950         (check_SCRIPTS): Add script_test_10.sh.
2951         (check_DATA): Add script_test_10.stdout.
2952         (script_test_10.o, script_test_10): New targets.
2953         (script_test_10.stdout): New target.
2954         * configure, testsuite/Makefile.in: Regenerate.
2955
2956 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2957
2958         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2959         error for the deprecated relocations.
2960         (Target_arm::Scan::global): Likewise.
2961         (Target_arm::Relocate::relocate): Likewise.
2962
2963 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2964
2965         * fileread.cc (Input_file::find_file): Initialize *found_name
2966         and *namep when using the fallback search for case 4.
2967
2968 2010-10-11  Cary Coutant  <ccoutant@google.com>
2969
2970         * options.h (class General_options): Redefine -z lazy as an alias for
2971         the negation of -z now.
2972
2973 2010-10-11  Ian Lance Taylor  <iant@google.com>
2974
2975         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2976         binding.
2977
2978 2010-10-06  Nick Clifton  <nickc@redhat.com>
2979
2980         * script-sections.cc(class Memory_region): Remove
2981         current_lma_offset_ field.  Rename current_vma_offset_ to
2982         current_offset_.  Add last_section_ field.
2983         (Memory_region::get_current_vma_address): Rename to
2984         get_current_address.
2985         (Memory_region::get_current_lma_address): Delete.
2986         (Memory_region::increment_vma_offset): Rename to
2987         increment_offset.
2988         (Memory_region::increment_lma_offset): Delete.
2989         (Memory_region::attributes_compatible): New method.  Returns
2990         true if the provided section is compatible with the region.
2991         (Memory_region::get_last_section): New method.  Returns the last
2992         section to use the region.
2993         (Memory_region::set_last_section): New method.  Stores the last
2994         section to use the region.
2995         (Script_sections::block_in_region): New method.  Returns true if
2996         a block of memory is contained within a region.
2997         (Script_sections::find_memory_region): New method.  Locates a
2998         memory region to be used to set a VMA or LMA address.
2999         (Output_section_definition::set_section_addresses): Add code to
3000         check for addresses set by memory regions.
3001         (Output_segment::set_section_addresses): Remove memory region
3002         walking code.
3003         (Script_sections::create_segment): Add a warning if a header
3004         segment is created outside of any region.
3005         * script-sections.h (class Script_sections): Add prototypes for
3006         find_memory_region and block_in_region methods.
3007         * testsuite/memory_test.s: Use .long instead of .word.
3008         * testsuite/memory_test.t: Add some more output sections.
3009         * testsuite/memory_test.sh: Update expected output.
3010
3011 2010-10-02  Doug Kwan  <dougkwan@google.com>
3012
3013         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3014         defintion to symtab.h
3015         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3016         declaration to defintion.
3017
3018 2010-10-01  Nick Clifton  <nickc@redhat.com>
3019
3020         * expression.cc (eval): Replace dummy argument with NULL.
3021         (eval_maybe_dot): Check for a NULL result section pointer.
3022         (Symbol_expression::value): Likewise.
3023         (Dot_expression::value): Likewise.
3024         (BINARY_EXPRESSION): Likewise.
3025         (Max_expression::value): Likewise.
3026         (Min_expression::value): Likewise.
3027         (Absolute_expression::value): Likewise.
3028         (Addr_expression::value_from_output_section): Likewise.
3029         (Loaddddr_expression::value_from_output_section): Likewise.
3030         (Segment_start_expression::value): Likewise.
3031         * script-sections.cc
3032         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3033         argument with NULL.
3034         (Sections_elememt_dot_assignment::set_section_addresses):
3035         Likewise.
3036         (Output_data_expression::do_write_to_buffer): Likewise.
3037         (Output_section_definition::finalize_symbols): Likewise.
3038         (Output_section_definition::set_section_addresses): Likewise.
3039
3040 2010-09-30  Doug Kwan  <dougkwan@google.com>
3041
3042         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3043
3044 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3045
3046         * target.h (Target::can_icf_inline_merge_sections): New virtual
3047         function.
3048         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3049         virtual function.
3050         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3051         virtual function.
3052         * icf.cc (get_section_contents): Inline merge sections only when
3053         target allows it.
3054
3055 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3056
3057         * configure: Regenerate.
3058
3059 2010-09-17  Ian Lance Taylor  <iant@google.com>
3060
3061         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3062         * testsuite/Makefile.am (memory_test.o): New target.
3063         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3064         memory_test.t.
3065         * testsuite/Makefile.in: Rebuild.
3066
3067 2010-09-17  Doug Kwan  <dougkwan@google.com>
3068
3069         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3070         defintion if relocation uses GOT entries of the symbol.
3071         * testsuite/icf_safe_test.sh: Fix test.
3072         * testsuite/icf_safe_so_test.sh: Fix test.
3073
3074 2010-09-16  Cary Coutant  <ccoutant@google.com>
3075
3076         * script_sections.cc (class Memory_region): Remove "NULL" from
3077         vector initializations.
3078
3079 2010-09-15  Cary Coutant  <ccoutant@google.com>
3080
3081         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3082         Resolve forwarding symbols.
3083
3084 2010-09-15  Doug Kwan  <dougkwan@google.com>
3085
3086         * gold/testsuite/script_test_3.t: Add ARM special sections.
3087         * gold/testsuite/script_test_4.t: Same.
3088         * gold/testsuite/script_test_5.t: Same.
3089         * gold/testsuite/script_test_6.t: Same.
3090         * gold/testsuite/script_test_7.t: Same.
3091         * gold/testsuite/script_test_7.t: Same.
3092         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3093
3094 2010-09-14  Cary Coutant  <ccoutant@google.com>
3095
3096         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3097         (Target_x86_64::Relocate::relocate_tls): Replace check for
3098         saw_tls_block_reloc_ with test for executable section.
3099
3100 2010-09-12  Cary Coutant  <ccoutant@google.com>
3101
3102         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3103         position-independent executables to shared libraries need dynamic
3104         relocations.
3105         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3106         position-independent executables.
3107         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3108         * testsuite/Makefile.in: Regenerate.
3109
3110 2010-09-10  Nick Clifton  <nickc@redhat.com>
3111
3112         PR gold/11997
3113         * testsuite/memory_test.t: Discard any sections that are not
3114         needed.
3115
3116 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3117
3118         PR gold/11996
3119         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3120         "This::" to work around a bug in gcc 4.2.
3121
3122         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3123
3124 2010-09-09  Rafael Espindola  <espindola@google.com>
3125
3126         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3127         sections with different PF_X flags in the same segment.
3128         (Layout::find_first_load_seg): Search all segments to find the first
3129         one.
3130         * options.h (rosegment): New.
3131
3132 2010-09-08  Rafael Espindola  <espindola@google.com>
3133
3134         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3135
3136 2010-09-08  Doug Kwan  <dougkwan@google.com>
3137
3138         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3139         (Arm_relobj::do_relocate_sections): Add new parameter for output
3140         file to match the parent.
3141         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3142         of local symbols instead of input values.  Update code to track
3143         changes in gold::relocate_section.
3144         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3145         (Sized_relobj::compute_final_local_value_internal): New methods.
3146         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3147         body into private version of Sized_relobj::compute_final_local_value.
3148         Call the inline method.
3149         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3150         merged symbol value if there is one.
3151         (Symbol_value::has_output_value): New method defintiion.
3152         (Sized_relobj::Compute_final_local_value_status): New enum type.
3153         (Sized_relobj::compute_final_local_value): New methods.
3154         (Sized_relobj::compute_final_local_value_internal): New methods.
3155         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3156         and arm_cortex_a8.sh.
3157         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3158         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3159         New tests.
3160         * Makefile.in: Regenerate.
3161         * testsuite/arm_bl_out_of_range.s: Update test.
3162         * testsuite/thumb_bl_out_of_range.s: Ditto.
3163         * testsuite/thumb_blx_out_of_range.s: Ditto.
3164         * testsuite/arm_branch_out_of_range.sh: New file.
3165         * testsuite/arm_cortex_a8.sh: Ditto.
3166         * testsuite/arm_cortex_a8_b.s: Ditto.
3167         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3168         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3169         * testsuite/arm_cortex_a8_bl.s: Ditto.
3170         * testsuite/arm_cortex_a8_blx.s: Ditto.
3171         * testsuite/arm_cortex_a8_local.s: Ditto.
3172         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3173         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3174
3175 2010-09-08  Rafael Espindola  <espindola@google.com>
3176
3177         * Makefile.am (memory_test.stdout): Run readelf with -W.
3178         * Makefile.in: Regenerate.
3179         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3180         64 bit output.
3181
3182 2010-09-08  Rafael Espindola  <espindola@google.com>
3183
3184         * script-sections.cc (Script_sections::add_memory_region): Convert
3185         field precision to int.
3186         * script.cc (script_set_section_region, script_set_section_region):
3187         Convert field precision to int.
3188
3189 2010-09-08  Rafael Espindola  <espindola@google.com>
3190
3191         * arm.cc (do_finalize_sections): Create the __exidx_start and
3192         __exdix_end symbols even when the section is missing.
3193
3194 2010-09-08  Nick Clifton  <nickc@redhat.com>
3195
3196         * README: Remove claim that MEMORY is not supported.
3197         * expression.cc (script_exp_function_origin)
3198         (script_exp_function_length): Move from here to ...
3199         * script.cc: ... here.
3200         (script_set_section_region, script_add_memory)
3201         (script_parse_memory_attr, script_include_directive): New
3202         functions.
3203         * script-sections.cc
3204         (class Memory_region): New class.
3205         (class Output_section_definition): Add set_memory_region,
3206         set_section_vma, set_section_lma and get_section_name methods.
3207         (class Script_Sections): Add add_memory_region,
3208         find_memory_region, find_memory_region_origin,
3209         find_memory_region_length and set_memory_region methods.
3210         Have set_section_addresses method walk the list of set memory
3211         regions.
3212         Extend the print methos to display memory regions.
3213         * script-sections.h: Add prototypes for new methods.
3214         Add enum for MEMORY region attributes.
3215         * yyscript.y: Add support for parsing MEMORY regions.
3216         * script-c.h: Add prototypes for new functions.
3217         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3218         * testsuite/Makefile.in: Regenerate.
3219         * testsuite/memory_test.sh: New script.
3220         * testsuite/memory_test.s: New assembler source file.
3221         * testsuite/memory_test.t: New linker script.
3222
3223 2010-08-27  Doug Kwan  <dougkwan@google.com>
3224
3225         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3226         reference override an existing dynamic weak reference.
3227         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3228         * testsuite/Makefile.in: Regenerate.
3229         * testsuite/dyn_weak_ref.sh: New file.
3230         * testsuite/dyn_weak_ref_1.c: Ditto.
3231         * testsuite/dyn_weak_ref_2.c: Ditto.
3232
3233 2010-08-27  Ian Lance Taylor  <iant@google.com>
3234
3235         * incremental.h (class Incremental_input_entry): Add virtual
3236         destructor.
3237
3238 2010-08-27  Ian Lance Taylor  <iant@google.com>
3239
3240         * testsuite/start_lib_test_3.c: Mark t3 as used.
3241
3242 2010-08-27  Nick Clifton  <nickc@redhat.com>
3243
3244         * options.cc (version_script): Fix small typo in previous
3245         whitespace tidyup.
3246
3247 2010-08-25  Nick Clifton  <nickc@redhat.com>
3248
3249         * archive.cc: Formatting fixes: Remove whitespace between
3250         typename and following asterisk.  Remove whitespace between
3251         function name and opening parenthesis.
3252         * archive.h: Likewise.
3253         * arm.cc: Likewise.
3254         * attributes.cc: Likewise.
3255         * attributes.h: Likewise.
3256         * common.cc: Likewise.
3257         * copy-relocs.cc: Likewise.
3258         * dirsearch.h: Likewise.
3259         * dynobj.cc: Likewise.
3260         * ehframe.cc: Likewise.
3261         * ehframe.h: Likewise.
3262         * expression.cc: Likewise.
3263         * fileread.cc: Likewise.
3264         * fileread.h: Likewise.
3265         * gc.h: Likewise.
3266         * gold-threads.cc: Likewise.
3267         * gold.cc: Likewise.
3268         * i386.cc: Likewise.
3269         * icf.h: Likewise.
3270         * incremental-dump.cc: Likewise.
3271         * incremental.cc: Likewise.
3272         * layout.cc: Likewise.
3273         * layout.h: Likewise.
3274         * main.cc: Likewise.
3275         * merge.cc: Likewise.
3276         * merge.h: Likewise.
3277         * object.cc: Likewise.
3278         * object.h: Likewise.
3279         * options.cc: Likewise.
3280         * options.h: Likewise.
3281         * output.cc: Likewise.
3282         * output.h: Likewise.
3283         * plugin.cc: Likewise.
3284         * plugin.h: Likewise.
3285         * powerpc.cc: Likewise.
3286         * reloc.cc: Likewise.
3287         * script-c.h: Likewise.
3288         * script-sections.cc: Likewise.
3289         * script.cc: Likewise.
3290         * stringpool.cc: Likewise.
3291         * symtab.cc: Likewise.
3292         * symtab.h: Likewise.
3293         * target.cc: Likewise.
3294         * timer.cc: Likewise.
3295         * timer.h: Likewise.
3296         * version.cc: Likewise.
3297         * x86_64.cc: Likewise.
3298
3299 2010-08-24  Nick Clifton  <nickc@redhat.com>
3300
3301         PR 11899
3302         * layout.cc (segment_precedes): Sort segments by their physical
3303         addresses, if they have been set.
3304
3305 2010-08-23  Cary Coutant  <ccoutant@google.com>
3306
3307         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3308         symbols data.
3309         (Lib_group::include_member): Unlock object after deleting its
3310         symbols data.
3311         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3312         the bug fixed here.
3313
3314 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3315             Cary Coutant  <ccoutant@google.com>
3316
3317         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3318         constructor, and set_blocker.
3319         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3320         readsyms_blocker_.
3321         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3322         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3323         * testsuite/Makefile.am (start_lib_test): New test case.
3324         * testsuite/Makefile.in: Regenerate.
3325         * testsuite/start_lib_test_main.c: New file.
3326         * testsuite/start_lib_test_1.c: New file.
3327         * testsuite/start_lib_test_2.c: New file.
3328         * testsuite/start_lib_test_3.c: New file.
3329
3330 2010-08-19  Ian Lance Taylor  <iant@google.com>
3331
3332         * Makefile.in: Rebuild with automake 1.11.1.
3333         * aclocal.m4: Likewise.
3334         * testsuite/Makefile.in: Likewise.
3335
3336 2010-08-19  Ian Lance Taylor  <iant@google.com>
3337
3338         PR 10893
3339         * i386.cc (class Output_data_plt_i386): Update declarations.
3340         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3341         local_ifuncs_ fields.
3342         (Target_i386::do_plt_section_for_global): New function.
3343         (Target_i386::do_plt_section_for_local): New function.
3344         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3345         parameter; change all callers.  Initialize global_ifuncs_ and
3346         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3347         __rel_iplt_end.
3348         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3349         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3350         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3351         symbols.
3352         (Target_i386::make_plt_section): New function, broken out of
3353         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3354         (Target_i386::make_plt_entry): Call make_plt_section.
3355         (Target_i386::make_local_ifunc_plt_entry): New function.
3356         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3357         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3358         R_386_IRELATIVE to switch.
3359         (Target_i386::Scan::global): Likewise.
3360         (Target_i386::Relocate::relocate): Likewise.
3361         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3362         switch.
3363         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3364         (Target_x86_64::do_plt_section_for_global): New function.
3365         (Target_x86_64::do_plt_section_for_local): New function.
3366         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3367         parameter; change all callers.  If doing a static link define
3368         __rela_iplt_start and __rela_iplt_end.
3369         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3370         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3371         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3372         to point to .plt.
3373         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3374         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3375         switch.
3376         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3377         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3378         R_X86_64_IRELATIVE to switch.
3379         (Target_x86_64::Scan::global): Likewise.
3380         (Target_x86_64::Relocate::relocate): Likewise.
3381         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3382         switch.
3383         * target.h (class Target): Add plt_section_for_global and
3384         plt_section_for_local functions.  Add do_plt_section_for_global
3385         and do_plt_section_for_local virtual functions.
3386         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3387         clarifying comments.
3388         (Symbol::use_plt_offset): Handle IFUNC symbol.
3389         * object.cc (Sized_relobj::Sized_relobj): Initialize
3390         local_plt_offsets_.
3391         (Sized_relobj::local_has_plt_offset): New function.
3392         (Sized_relobj::local_plt_offset): New function.
3393         (Sized_relobj::set_local_plt_offset): New function.
3394         (Sized_relobj::do_count): Handle IFUNC symbol.
3395         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3396         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3397         is_ifunc_symbol functions.
3398         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3399         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3400         local_plt_offsets_ field.
3401         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3402         * output.h (class Output_section_data): Add non-const
3403         output_section function.
3404         (class Output_data_got): Update declarations.
3405         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3406         Add use_plt_offset parameter to global and local constructors.
3407         Change all callers.  Change local_sym_index_ field to 31 bits.
3408         Change GSYM_CODE and CONSTANT_CODE accordingly.
3409         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3410         doing a static link don't set sh_link field.
3411         (Output_data_got::Got_entry::write): Use PLT offset if
3412         appropriate.
3413         (Output_data_got::add_global_plt): New function.
3414         (Output_data_got::add_local_plt): New function.
3415         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3416         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3417         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3418         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3419         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3420         IFUNC conditional.
3421         * testsuite/ifunc-sel.h: New file.
3422         * testsuite/ifuncmain1.c: New file.
3423         * testsuite/ifuncmain1vis.c: New file.
3424         * testsuite/ifuncmod1.c: New file.
3425         * testsuite/ifuncdep2.c: New file.
3426         * testsuite/ifuncmain2.c: New file.
3427         * testsuite/ifuncmain3.c: New file.
3428         * testsuite/ifuncmod3.c: New file.
3429         * testsuite/ifuncmain4.c: New file.
3430         * testsuite/ifuncmain5.c: New file.
3431         * testsuite/ifuncmod5.c: New file.
3432         * testsuite/ifuncmain6pie.c: New file.
3433         * testsuite/ifuncmod6.c: New file.
3434         * testsuite/ifuncmain7.c: New file.
3435         * configure, testsuite/Makefile.in: Rebuild.
3436
3437 2010-08-18  Ian Lance Taylor  <iant@google.com>
3438
3439         * incremental.cc
3440         (Output_section_incremental_inputs::write_input_files): Add cast
3441         to avoid signed/unsigned comparison warning.
3442         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3443
3444 2010-08-12  Cary Coutant  <ccoutant@google.com>
3445
3446         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3447
3448 2010-08-13  Ian Lance Taylor  <iant@google.com>
3449
3450         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3451
3452 2010-08-12  Cary Coutant  <ccoutant@google.com>
3453             Doug Kwan  <dougkwan@google.com>
3454
3455         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3456         defintion overrides non-weak undef, remember that the original undef
3457         is not weak.
3458         * symtab.cc (Symbol_table::sized_write_global): For undef without
3459         an original weak binding, set binding to global in output.
3460         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3461         * testsuite/Makefile.in: Regenerate.
3462         * testsuite/strong_ref_weak_def.sh: New file.
3463         * testsuite/strong_ref_weak_def_1.c: Ditto.
3464         * testsuite/strong_ref_weak_def_2.c: Ditto.
3465
3466 2010-08-12  Cary Coutant  <ccoutant@google.com>
3467
3468         * testsuite/incremental_test.sh: Rewrite.
3469         * testsuite/incremental_test_1.c: Rewrite.
3470         * testsuite/incremental_test_2.c: Rewrite.
3471
3472 2010-08-12  Cary Coutant  <ccoutant@google.com>
3473
3474         * arm.cc (Target_arm::got_size): Add const.
3475         (Target_arm::got_entry_count): New function.
3476         (Target_arm::plt_entry_count): New function.
3477         (Target_arm::first_plt_entry_offset): New function.
3478         (Target_arm::plt_entry_size): New function.
3479         (Output_data_plt_arm::entry_count): New function.
3480         (Output_data_plt_arm::first_plt_entry_offset): New function.
3481         (Output_data_plt_arm::get_plt_entry_size): New function.
3482         * i386.cc (Target_i386::got_size): Add const.
3483         (Target_i386::got_entry_count): New function.
3484         (Target_i386::plt_entry_count): New function.
3485         (Target_i386::first_plt_entry_offset): New function.
3486         (Target_i386::plt_entry_size): New function.
3487         (Output_data_plt_i386::entry_count): New function.
3488         (Output_data_plt_i386::first_plt_entry_offset): New function.
3489         (Output_data_plt_i386::get_plt_entry_size): New function.
3490         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3491         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3492         * incremental.cc: Include target.h.
3493         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3494         parameter.  Adjust all callers.  Find incremental_got_plt section.
3495         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3496         section.
3497         (Output_section_incremental_inputs::set_final_data_size): Calculate
3498         size of incremental_got_plt section.
3499         (Output_section_incremental_inputs::do_write): Write the
3500         incremental_got_plt section.
3501         (Got_plt_view_info): New struct.
3502         (Local_got_offset_visitor): New class.
3503         (Global_got_offset_visitor): New class.
3504         (Global_symbol_visitor_got_plt): New class.
3505         (Output_section_incremental_inputs::write_got_plt): New function.
3506         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3507         Add parameter.  Adjust all callers.
3508         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3509         (Incremental_inputs::got_plt_section): New function.
3510         (Incremental_inputs::got_plt_section_): New data member.
3511         (Incremental_got_plt_reader): New class.
3512         * layout.cc (Layout::create_incremental_info_sections): Add the
3513         incremental_got_plt section.
3514         * object.h (Got_offset_list::get_list): New function.
3515         (Got offset_list::for_all_got_offsets): New function.
3516         (Sized_relobj::local_got_offset_list): New function.
3517         * powerpc.cc (Target_powerpc::got_size): Add const.
3518         (Target_powerpc::got_entry_count): New function.
3519         (Target_powerpc::plt_entry_count): New function.
3520         (Target_powerpc::first_plt_entry_offset): New function.
3521         (Target_powerpc::plt_entry_size): New function.
3522         (Output_data_plt_powerpc::entry_count): New function.
3523         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3524         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3525         * sparc.cc (Target_sparc::got_size): Add const.
3526         (Target_sparc::got_entry_count): New function.
3527         (Target_sparc::plt_entry_count): New function.
3528         (Target_sparc::first_plt_entry_offset): New function.
3529         (Target_sparc::plt_entry_size): New function.
3530         (Output_data_plt_sparc::entry_count): New function.
3531         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3532         (Output_data_plt_sparc::get_plt_entry_size): New function.
3533         * symtab.h (Symbol::got_offset_list): New function.
3534         (Symbol_table::for_all_symbols): New function.
3535         * target.h (Sized_target::got_entry_count): New function.
3536         (Sized_target::plt_entry_count): New function.
3537         (Sized_target::plt_entry_size): New function.
3538         * x86_64.cc (Target_x86_64::got_size): Add const.
3539         (Target_x86_64::got_entry_count): New function.
3540         (Target_x86_64::plt_entry_count): New function.
3541         (Target_x86_64::first_plt_entry_offset): New function.
3542         (Target_x86_64::plt_entry_size): New function.
3543         (Output_data_plt_x86_64::entry_count): New function.
3544         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3545         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3546
3547 2010-08-12  Cary Coutant  <ccoutant@google.com>
3548
3549         * archive.cc: Include incremental.h.
3550         (Archive::Archive): Initialize incremental_info_.
3551         (Archive::include_member): Record archive members in incremental info.
3552         (Add_archive_symbols::run): Record begin and end of an archive in
3553         incremental info.
3554         (Lib_group::include_member): Record objects in incremental info.
3555         * archive.h (Incremental_archive_entry): Forward declaration.
3556         (Archive::set_incremental_info): New member function.
3557         (Archive::incremental_info): New member function.
3558         (Archive::Unused_symbol_iterator): New class.
3559         (Archive::unused_symbols_begin): New member function.
3560         (Archive::unused_symbols_end): New member function.
3561         (Archive::incremental_info_): New data member.
3562         * incremental-dump.cc (find_input_containing_global): New function.
3563         (dump_incremental_inputs): Dump new incremental info sections.
3564         * incremental.cc: Include symtab.h.
3565         (Output_section_incremental_inputs): New class.
3566         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3567         new incremental info sections.
3568         (Sized_incremental_binary::do_check_inputs): Likewise.
3569         (Incremental_inputs::report_archive): Remove.
3570         (Incremental_inputs::report_archive_begin): New function.
3571         (Incremental_inputs::report_archive_end): New function.
3572         (Incremental_inputs::report_object): New function.
3573         (Incremental_inputs::finalize_inputs): Remove.
3574         (Incremental_inputs::report_input_section): New function.
3575         (Incremental_inputs::report_script): Rewrite.
3576         (Incremental_inputs::finalize): Do nothing but finalize string table.
3577         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3578         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3579         (Incremental_inputs::create_data_sections): New function.
3580         (Incremental_inputs::relocs_entsize): New function.
3581         (Output_section_incremental_inputs::set_final_data_size): New function.
3582         (Output_section_incremental_inputs::do_write): New function.
3583         (Output_section_incremental_inputs::write_header): New function.
3584         (Output_section_incremental_inputs::write_input_files): New function.
3585         (Output_section_incremental_inputs::write_info_blocks): New function.
3586         (Output_section_incremental_inputs::write_symtab): New function.
3587         * incremental.h (Incremental_script_entry): Forward declaration.
3588         (Incremental_object_entry): Forward declaration.
3589         (Incremental_archive_entry): Forward declaration.
3590         (Incremental_inputs): Forward declaration.
3591         (Incremental_inputs_header_data): Remove.
3592         (Incremental_inputs_header): Remove.
3593         (Incremental_inputs_header_write): Remove.
3594         (Incremental_inputs_entry_data): Remove.
3595         (Incremental_inputs_entry): Remove.
3596         (Incremental_inputs_entry_write): Remove.
3597         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3598         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3599         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3600         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3601         Likewise.
3602         (Incremental_input_entry): New class.
3603         (Incremental_script_entry): New class.
3604         (Incremental_object_entry): New class.
3605         (Incremental_archive_entry): New class.
3606         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3607         (Incremental_inputs::report_inputs): Remove.
3608         (Incremental_inputs::report_archive): Remove.
3609         (Incremental_inputs::report_archive_begin): New function.
3610         (Incremental_inputs::report_archive_end): New function.
3611         (Incremental_inputs::report_object): Change prototype.
3612         (Incremental_inputs::report_input_section): New function.
3613         (Incremental_inputs::report_script): Change prototype.
3614         (Incremental_inputs::get_reloc_count): New function.
3615         (Incremental_inputs::set_reloc_count): New function.
3616         (Incremental_inputs::create_data_sections): New function.
3617         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3618         (Incremental_inputs::inputs_section): New function.
3619         (Incremental_inputs::symtab_section): New function.
3620         (Incremental_inputs::relocs_section): New function.
3621         (Incremental_inputs::get_stringpool): Add const.
3622         (Incremental_inputs::command_line): Add const.
3623         (Incremental_inputs::inputs): Remove.
3624         (Incremental_inputs::command_line_key): New function.
3625         (Incremental_inputs::input_file_count): New function.
3626         (Incremental_inputs::input_files): New function.
3627         (Incremental_inputs::relocs_entsize): New function.
3628         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3629         (Incremental_inputs::finalize_inputs): Remove.
3630         (Incremental_inputs::Input_info): Remove.
3631         (Incremental_inputs::lock_): Remove.
3632         (Incremental_inputs::inputs_): Change type.
3633         (Incremental_inputs::inputs_map_): Remove.
3634         (Incremental_inputs::current_object_entry_): New data member.
3635         (Incremental_inputs::inputs_section_): New data member.
3636         (Incremental_inputs::symtab_section_): New data member.
3637         (Incremental_inputs::relocs_section_): New data member.
3638         (Incremental_inputs::reloc_count_): New data member.
3639         (Incremental_inputs_reader): New class.
3640         (Incremental_symtab_reader): New class.
3641         (Incremental_relocs_reader): New class.
3642         * layout.cc (Layout::finalize): Move finalization of incremental info
3643         and creation of incremental info sections to follow finalization of
3644         symbol table.  Set offsets for postprocessing sections.
3645         (Layout::create_incremental_info_sections): Call
3646         Incremental_inputs::create_data_sections.  Add incremental symtab
3647         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3648         sections to layout after input sections.
3649         * layout.h (struct Timespec): Forward declaration.
3650         (Layout::incremental_inputs): Add const.
3651         (Layout::create_incremental_info_sections): Add parameter.
3652         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3653         * object.cc: Include incremental.h.
3654         (Relobj::finalize_incremental_relocs): New function.
3655         (Sized_relobj::do_layout): Record input sections in incremental info.
3656         * object.h (Object::output_section): New function.
3657         (Object::output_section_offset): Moved from Relobj.
3658         (Object::get_incremental_reloc_base): New function.
3659         (Object::get_incremental_reloc_count): New function.
3660         (Object::do_output_section): New function.
3661         (Object::do_output_section_offset): Moved from Relobj.
3662         (Object::do_get_incremental_reloc_base): New function.
3663         (Object::do_get_incremental_reloc_count): New function.
3664         (Object::Object): Initialize new data members.
3665         (Relobj::output_section): Renamed do_output_section and moved to
3666         protected.
3667         (Relobj::output_section_offset): Moved to Object.
3668         (Relobj::do_get_incremental_reloc_base): New function.
3669         (Relobj::do_get_incremental_reloc_count): New function.
3670         (Relobj::allocate_incremental_reloc_counts): New function.
3671         (Relobj::count_incremental_reloc): New function.
3672         (Relobj::finalize_incremental_relocs): New function.
3673         (Relobj::next_incremental_reloc_index): New function.
3674         (Relobj::reloc_counts_): New data member.
3675         (Relobj::reloc_bases_): New data member.
3676         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3677         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3678         (Sized_relobj::incremental_relocs_scan): New function.
3679         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3680         (Sized_relobj::incremental_relocs_write): New function.
3681         (Sized_relobj::incremental_relocs_write_reltype): New function.
3682         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3683         incremental link.
3684         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3685         archives and object files elsewhere.
3686         (Add_symbols::run): Report object files here.
3687         (Finish_group::run): Report end of archive at end of group.
3688         * reloc.cc: Include layout.h, incremental.h.
3689         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3690         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3691         (Sized_relobj::incremental_relocs_scan): New function.
3692         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3693         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3694         (Sized_relobj::incremental_relocs_write): New function.
3695         (Sized_relobj::incremental_relocs_write_reltype): New function.
3696         * script.cc (read_input_script): Rewrite test for incremental link.
3697         Change call to Incremental_inputs::report_script.
3698         * symtab.h (Symbol_table::first_global_index): New function.
3699         (Symbol_table::output_count): New function.
3700
3701 2010-08-12  Doug Kwan  <dougkwan@google.com>
3702
3703         * arm.cc (Target_arm::merge_object_attributes): Check command line
3704         options --no-wchar-size-warning and --no-enum-size-warning.
3705         * options.h (General_options): Add ld-compatible options
3706         --no-enum-size-warning and --no-wchar-size-warning.
3707
3708 2010-08-04  Ian Lance Taylor  <iant@google.com>
3709
3710         * x86_64.cc (Target_x86_64::Scan::local): Use
3711         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3712         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3713         (Target_x86_64::Scan::global): Likewise.
3714         (Target_x86_64::Relocate::relocate): Likewise.
3715         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3716         Likewise.
3717
3718 2010-08-03  Cary Coutant  <ccoutant@google.com>
3719
3720         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3721         to reserve space in merged_strings vector. Keep total input size
3722         for stats.
3723         (Output_merge_string::do_print_merge_stats): Print total input size.
3724         * merge.h (Output_merge_string): Add input_size_ field.
3725         * stringpool.cc (Stringpool_template::string_length): Move
3726         implementations out of Stringpool_template class and place in
3727         stringpool.h.
3728         * stringpool.h (string_length): Move out of Stringpool_template.
3729
3730 2010-08-03  Ian Lance Taylor  <iant@google.com>
3731
3732         PR 11712
3733         * layout.cc (relaxation_loop_body): If address of load segment is
3734         set, adjust address to include headers if possible.
3735
3736 2010-08-03  Ian Lance Taylor  <iant@google.com>
3737
3738         * version.cc (version_string): Bump to 1.10.
3739
3740 2010-08-03  Ian Lance Taylor  <iant@google.com>
3741
3742         PR 11805
3743         * layout.h (enum Output_section_order): Define.
3744         (class Layout): Update declarations.
3745         * layout.cc (Layout::get_output_section): Add order parameter.
3746         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3747         is_first_non_relro parameters.  Change all callers.
3748         (Layout::choose_output_section): Likewise.
3749         (Layout::add_output_section_data): Likewise.
3750         (Layout::make_output_section): Likewise.  Set order.
3751         (Layout::default_section_order): New function.
3752         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3753         * output.cc (Output_section::Output_section): Initialize order_.
3754         Don't initialize deleted fields.
3755         (Output_segment::Output_segment): Don't initialize deleted
3756         fields.
3757         (Output_segment::add_output_section_to_load): New function
3758         replacing add_output_section.  Change all callers to call this or
3759         add_output_section_to_nonload.
3760         (Output_segment::add_output_section_to_nonload): New function.
3761         (Output_segment::remove_output_section): Rewrite.
3762         (Output_segment::add_initial_output_data): Likewise.
3763         (Output_segment::has_any_data_sections): Likewise.
3764         (Output_segment::is_first_section_relro): Likewise.
3765         (Output_segment::maximum_alignment): Likewise.
3766         (Output_segment::has_dynamic_reloc): New function replacing
3767         dynamic_reloc_count.  Change all callers.
3768         (Output_segment::has_dynamic_reloc_list): New function replacing
3769         dynamic_reloc_count_list.  Change all callers.
3770         (Output_segment::set_section_addresses): Rewrite.
3771         (Output_segment::set_offset): Rewrite.
3772         (Output_segment::find_first_and_last_list): Remove.
3773         (Output_segment::set_tls_offsets): Rewrite.
3774         (Output_segment::first_section_load_address): Likewise.
3775         (Output_segment::output_section_count): Likewise.
3776         (Output_segment::section_with_lowest_load_address): Likewise.
3777         (Output_segment::write_section_headers): Likewise.
3778         (Output_segment::print_sections_to_map): Likewise.
3779         * output.h (class Output_data): Remove dynamic_reloc_count_
3780         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3781         (Output_data::add_dynamic_reloc): Rewrite.
3782         (Output_data::has_dynamic_reloc): New function.
3783         (Output_data::dynamic_reloc_count): Remove.
3784         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3785         is_last_relro_, is_first_non_relro_, is_interp_,
3786         is_dynamic_linker_section_ fields.  Add order and set_order
3787         functions.  Remove is_relro_local, set_is_relro_local,
3788         is_last_relro, set_is_last_relro, is_first_non_relro,
3789         set_is_first_non_relro functions, is_interp, set_is_interp,
3790         is_dynamic_linker_section, and set_is_dynamic_linker_section
3791         functions.
3792         (class Output_segment): Change Output_data_list from std::list to
3793         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3794         output_bss_ fields.  Update declarations.
3795
3796 2010-08-02  Ian Lance Taylor  <iant@google.com>
3797
3798         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3799         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3800         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3801
3802 2010-08-02  Ian Lance Taylor  <iant@google.com>
3803
3804         PR 11855
3805         * script.cc (Script_options::Script_options): Initialize
3806         symbol_definitions_ and symbol_references_.
3807         (Script_options::add_symbol_assignment): Update
3808         symbol_definitions_ and symbol_references_.
3809         (Script_options::add_symbol_reference): New function.
3810         (script_symbol): New function.
3811         * script.h (class Script_options): Add symbol_definitions_ and
3812         symbol_references_ fields.
3813         (Script_options::referenced_const_iterator): New type.
3814         (Script_options::referenced_begin): New function.
3815         (Script_options::referenced_end): New function.
3816         (Script_options::is_referenced): New function.
3817         (Script_options::any_unreferenced): New function.
3818         * script-c.h (script_symbol): Declare.
3819         * yyscript.y (exp): Call script_symbol.
3820         * symtab.cc: Include "script.h".
3821         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3822         Change all callers.  Check symbols referenced by scripts.
3823         (Symbol_table::add_undefined_symbols_from_command_line): Add
3824         layout parameter.  Change all callers.
3825         (Symbol_table::do_add_undefined_symbols_from_command_line):
3826         Likewise.  Break out loop body.  Check symbols referenced by
3827         scripts.
3828         (Symbol_table::add_undefined_symbol_from_command_line): New
3829         function broken out of
3830         do_add_undefined_symbols_from_command_line.
3831         * symtab.h (class Symbol_table): Update declarations.
3832         * archive.cc: Include "layout.h".
3833         (Archive::should_include_member): Add layout parameter.  Change
3834         all callers.  Check for symbol mentioned in expression.
3835         * archive.h (class Archive): Update declaration.
3836         * object.cc (Sized_relobj::do_should_include_member): Add layout
3837         parameter.
3838         * object.h (Object::should_include_member): Add layout parameter.
3839         Change all callers.
3840         (Object::do_should_include_member): Add layout parameter.
3841         (class Sized_relobj): Update declaration.
3842         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3843         parameter.
3844         * dynobj.h (class Sized_dynobj): Update declaration.
3845         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3846         layout parameter.
3847         * plugin.h (class Sized_pluginobj): Update declaration.
3848
3849 2010-08-02  Ian Lance Taylor  <iant@google.com>
3850
3851         PR 11866
3852         * output.cc (Output_segment::set_offset): Search for the first and
3853         last sections rather than assuming that the list is in order.
3854         (Output_segment::find_first_and_last_list): New function.
3855         * output.h (class Output_segment): Update declarations.
3856         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3857         (relro_strip_test_SOURCES): New variable.
3858         (relro_strip_test_DEPENDENCIES): New variable.
3859         (relro_strip_test_LDFLAGS): New variable.
3860         (relro_strip_test_LDADD): New variable.
3861         (relro_strip_test.so): New target.
3862
3863 2010-08-02  Ian Lance Taylor  <iant@google.com>
3864
3865         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3866         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3867         (Target_i386::got_tlsdesc_section): New function.
3868         (Target_i386::got_section): Create space for GOT entries for
3869         TLSDESC relocations.
3870         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3871         R_386_TLS_GOTDESC.
3872         (Target_i386::Scan::global): Likewise.
3873         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3874         using TLSDESC GOT.
3875         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3876         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3877         (Target_x86_64::got_tlsdesc_section): New function.
3878         (Target_x86_64::got_section): Create space for GOT entries for
3879         TLSDESC relocations.
3880         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3881         R_386_TLS_GOTDESC.
3882         (Target_x86_64::Scan::global): Likewise.
3883         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3884         using TLSDESC GOT.
3885
3886 2010-08-02  Ian Lance Taylor  <iant@google.com>
3887
3888         * testsuite/final_layout.sh: Use dc to convert from hex to
3889         decimal.
3890
3891 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3892
3893         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3894         paramter to the call to gold::gc_process_relocs.
3895         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3896         paramter to the call to gold::gc_process_relocs.
3897         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3898         parameter to the call to gold::gc_process_relocs.
3899         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3900         template parameter to the call to gold::gc_process_relocs.
3901         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3902         paramter to the call to gold::gc_process_relocs.
3903         * gc.h (get_embedded_addend_size): New function.
3904         (gc_process_relocs): Save the size of the reloc for use by ICF.
3905         * icf.cc (get_section_contents): Get the addend from the text section
3906         for SHT_REL relocation sections.
3907         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3908         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3909         * int_encoding.h (read_from_pointer): New overloaded function.
3910         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3911         * testsuite/icf_sht_rel_addend_test.sh: New file.
3912         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3913         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3914
3915 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3916
3917         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3918         * Makefile.in: Regenerate.
3919         * testsuite/Makefile.in: Regenerate.
3920
3921 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3922
3923         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3924         * gold/testsuite/debug_msg.cc: Likewise.
3925         * gold/testsuite/odr_violation1.cc
3926         * gold/testsuite/odr_violation2.cc
3927
3928 2010-07-21  Cary Coutant  <ccoutant@google.com>
3929
3930         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3931         string, and length fields.
3932         (Output_merge_string::Merged_strings_list): New type.
3933         (Output_merge_string::Merged_strings_lists): New typedef.
3934         (Output_merge_string): Replace merged_strings_ with
3935         merged_strings_lists_.
3936         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3937         Merged_strings_list per input object and section.  Don't store pointer
3938         to the string.  Don't store length with each merged string entry.
3939         (Output_merge_string::finalize_merged_data): Loop over list of merged
3940         strings lists.  Recompute length of each merged string.
3941
3942 2010-07-15  Cary Coutant  <ccoutant@google.com>
3943
3944         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3945         here.
3946
3947 2010-07-14  Ian Lance Taylor  <iant@google.com>
3948
3949         * descriptors.cc (Descriptors::open): Report correct name in error
3950         message.
3951
3952 2010-07-13  Doug Kwan  <dougkwan@google.com>
3953
3954         * arm.cc (Arm_input_section::Arm_input_section): For a
3955         SHT_ARM_EXIDX section, always keeps the input sections.
3956         (Arm_input_section::set_exidx_section_link): New method.
3957         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3958         has_errors_ to false.
3959         (Arm_exidx_input_section::has_errors,
3960         Arm_exidx_input_section::set_has_errors): New methods.
3961         (Arm_exidx_input_section::has_errors_): New data member.
3962         (Arm_relobj::get_exidx_shndx_list): New method.
3963         (Arm_output_section::append_text_sections_to_list): Do not skip
3964         section without SHF_EXECINSTR.
3965         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3966         errors.
3967         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3968         section header.  Make error messages more verbose.  Check for
3969         a non-executable section linked to an EXIDX section.
3970         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3971         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3972         check that there is no deferred EXIDX section if we exit early.
3973         Instead of not making an EXIDX section in case of an error, make one
3974         and set the has_errors flag of it.
3975         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3976         in a relocatable link.
3977         (Target_arm::do_relax): Look for the EXIDX output section instead of
3978         assuming that it is called .ARM.exidx.
3979         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3980         section list.  Do not check for SHF_EXECINSTR section flags but
3981         skip any input section with errors.
3982         * output.cc (Output_section::Output_section): Initialize
3983         always_keeps_input_sections_ to false.
3984         (Output_section::add_input_section): Check for
3985         always_keeps_input_sections_.
3986         *  output.h (Output_section::always_keeps_input_sections,
3987         Output_section::set_always_keeps_input_sections): New methods.
3988         (Output_section::always_keeps_input_sections): New data member.
3989
3990 2010-07-13  Rafael Espindola  <espindola@google.com>
3991
3992         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3993         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3994
3995 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3996             Ian Lance Taylor  <iant@google.com>
3997
3998         * output.h (Output_section_lookup_maps::add_merge_section):
3999         Correct check of whether value was inserted.
4000         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4001         (Output_section_lookup_maps::add_relaxed_input_section):
4002         Likewise.
4003         * arm.cc (Target_arm::got_section): Remove used local os.
4004         * i386.cc (Target_i386::got_section): Likewise.
4005         * x86_64.cc (Target_x86_64::got_section): Likewise.
4006         * sparc.cc (Target_sparc::got_section): Likewise.
4007         (Target_sparc::relocate): Remove unused local have_got_offset.
4008         * powerpc.cc (Target_powerpc::relocate): Likewise.
4009
4010 2010-07-13  Ian Lance Taylor  <iant@google.com>
4011
4012         * compressed_output.cc (zlib_decompress): Fix signature in
4013         !HAVE_ZLIB_H case.
4014
4015         * archive.cc (Archive::include_member): Unlock an external member
4016         of a thin archive.  Don't bother to delete an object we know is
4017         NULL.
4018
4019 2010-07-12  Cary Coutant  <ccoutant@google.com>
4020
4021         * compressed_output.cc (zlib_decompress): New function.
4022         (get_uncompressed_size): New function.
4023         (decompress_input_section): New function.
4024         * compressed_output.h (get_uncompressed_size): New function.
4025         (decompress_input_section): New function.
4026         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4027         Handle compressed debug sections.
4028         * layout.cc (is_compressed_debug_section): New function.
4029         (Layout::output_section_name): Map compressed section names to
4030         canonical names.
4031         * layout.h (is_compressed_debug_section): New function.
4032         (is_debug_info_section): Recognize compressed debug sections.
4033         * merge.cc: Include compressed_output.h.
4034         (Output_merge_data::do_add_input_section): Handle compressed
4035         debug sections.
4036         (Output_merge_string::do_add_input_section): Handle compressed
4037         debug sections.
4038         * object.cc: Include compressed_output.h.
4039         (Sized_relobj::Sized_relobj): Initialize new data members.
4040         (build_compressed_section_map): New function.
4041         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4042         * object.h (Object::section_is_compressed): New method.
4043         (Object::do_section_is_compressed): New method.
4044         (Sized_relobj::Compressed_section_map): New type.
4045         (Sized_relobj::do_section_is_compressed): New method.
4046         (Sized_relobj::compressed_sections_): New data member.
4047         * output.cc (Output_section::add_input_section): Handle compressed
4048         debug sections.
4049         * reloc.cc: Include compressed_output.h.
4050         (Sized_relobj::write_sections): Handle compressed debug sections.
4051
4052 2010-07-08  Cary Coutant  <ccoutant@google.com>
4053
4054         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4055         weak when resolving to a dynamic def.
4056         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4057         for weak undef/dynamic def cases. Adjust callers.
4058         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4059         undef_binding_weak_.
4060         (Symbol_table::sized_write_globals): Adjust symbol binding.
4061         (Symbol_table::sized_write_symbol): Add binding parameter.
4062         * symtab.h (Symbol::set_undef_binding): New method.
4063         (Symbol::is_undef_binding_weak): New method.
4064         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4065         (Symbol_table::should_override): Add new parameter.
4066         (Symbol_table::sized_write_symbol): Add new parameter.
4067
4068         * testsuite/weak_undef_file1.cc: Add new test case.
4069         * testsuite/weak_undef_file2.cc: Fix header comment.
4070         * testsuite/weak_undef_test.cc: Add new test case.
4071
4072 2010-06-29  Doug Kwan  <dougkwan@google.com>
4073
4074         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4075         Initialize USE_SYMBOL_.
4076         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4077         definition.
4078         (Arm_reloc_property::uses_symbol_): New data member declaration.
4079         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4080         uses symbol value and symbol is undefined but not weakly undefined.
4081
4082 2010-06-28  Rafael Espindola  <espindola@google.com>
4083
4084         * plugin.cc (Plugin::load): Use dlerror.
4085
4086 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4087
4088         * symtab.cc (detect_odr_violations): When reporting an ODR
4089         violation, report an object where the symbol is defined.
4090
4091 2010-06-25  Doug Kwan  <dougkwan@google.com>
4092
4093         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4094         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4095         definition.
4096         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4097         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4098         target hook to detect function points.
4099         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4100         * icf.h (Icf::check_section_for_function_pointers): Change type of
4101         parameter SECTION_NAME to const reference to std::string.  Use
4102         target hook to determine if section may have unsafe pointers.
4103         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4104         method definition.
4105
4106 2010-06-21  Rafael Espindola  <espindola@google.com>
4107
4108         * fileread.cc (Input_file::find_fie): New
4109         (Input_file::open): Use Input_file::find_fie.
4110         * fileread.h (Input_file::find_fie): New
4111         * plugin.cc (set_extra_library_path): New.
4112         (Plugin::load): Add set_extra_library_path to the transfer vector.
4113         (Plugin_manager::set_extra_library_path): New.
4114         (Plugin_manager::add_input_file): Use the extra search path if set.
4115         (set_extra_library_path(): New.
4116         * plugin.h (Plugin_manager): Add set_extra_library_path and
4117         extra_search_path_.
4118
4119 2010-06-19  Cary Coutant  <ccoutant@google.com>
4120
4121         * layout.cc (gdb_sections): Add .debug_types.
4122         (lines_only_debug_sections): Likewise.
4123
4124 2010-06-18  Rafael Espindola  <espindola@google.com>
4125
4126         * plugin.cc (add_input_file,add_input_library)
4127         (Plugin_manager::add_input_file): Make filename arguments const.
4128         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4129         const.
4130
4131 2010-06-16  Doug Kwan  <dougkwan@google.com>
4132
4133         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4134         .ARM.attributes section if we have not merged any input
4135         attributes sections.
4136
4137 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4138
4139         * arm.cc: Allow combining objects with no EABI version
4140         information.
4141
4142 2010-06-15  Rafael Espindola  <espindola@google.com>
4143
4144         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4145
4146 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4147
4148         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4149         (struct iovec): Correct !HAVE_READV definition.
4150
4151 2010-06-10  Cary Coutant  <ccoutant@google.com>
4152
4153         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4154         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4155         reloc sections.
4156         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4157
4158         PR 11683
4159         * symtab.h (Symbol::is_placeholder): New member function.
4160         * target-reloc.h (relocate_section): Check for placeholder symbols.
4161
4162         * testsuite/Makefile.am (plugin_test_8): New test.
4163         (plugin_test_9): New test.
4164         * testsuite/Makefile.in: Regenerate.
4165
4166 2010-06-09  Nick Clifton  <nickc@redhat.com>
4167
4168         * yyscript.y (input_list_element): Allow strings prefixed with
4169         the '-' character.  Treat these as libraries.
4170         * script.cc (script_add_library): New function.  Adds a library
4171         specified by "-l<name>" found in an input script.
4172         * script-c.h: Add prototype for script_add_library.
4173
4174 2010-06-07  Doug Kwan  <dougkwan@google.com>
4175
4176         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4177         Restrict stub-group size to be within long conditional branch
4178         range when working around cortex-A8 erratum.
4179
4180 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4181
4182         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4183         #ifdef typo.
4184
4185 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4186
4187         PR gold/11658
4188         * output.cc
4189         (Output_section::Input_section_sort_entry::compare_section_ordering):
4190         Change to return non-zero correctly.
4191         (Output_section::Input_section_sort_section_order_index_compare
4192         ::operator()): Change to fix ambiguity in comparisons.
4193
4194 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4195
4196         * gold.h (is_wildcard_string): New function.
4197         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4198         (Layout::layout_eh_frame): Ditto.
4199         (Layout::find_section_order_index): New method.
4200         (Layout::read_layout_from_file): New method.
4201         * layout.h (Layout::find_section_order_index): New method.
4202         (Layout::read_layout_from_file): New method.
4203         (Layout::input_section_position_): New private member.
4204         (Layout::input_section_glob_): New private member.
4205         * main.cc (main): Call read_layout_from_file here.
4206         * options.h (--section-ordering-file): New option.
4207         * output.cc (Output_section::input_section_order_specified_): New
4208         member.
4209         (Output_section::Output_section): Initialize new member.
4210         (Output_section::add_input_section): Add new parameter.
4211         Keep input sections when --section-ordering-file is used.
4212         (Output_section::set_final_data_size): Sort input sections when
4213         section ordering file is specified.
4214         (Output_section::Input_section_sort_entry): Add new parameter.
4215         Check sorting type.
4216         (Output_section::Input_section_sort_entry::compare_section_ordering):
4217         New method.
4218         (Output_section::Input_section_sort_compare::operator()): Change to
4219         consider section_order_index.
4220         (Output_section::Input_section_sort_init_fini_compare::operator()):
4221         Change to consider section_order_index.
4222         (Output_section::Input_section_sort_section_order_index_compare
4223         ::operator()): New method.
4224         (Output_section::sort_attached_input_sections): Change to sort
4225         according to section order when specified.
4226         (Output_section::add_input_section<32, true>): Add new parameter.
4227         (Output_section::add_input_section<64, true>): Add new parameter.
4228         (Output_section::add_input_section<32, false>): Add new parameter.
4229         (Output_section::add_input_section<64, false>): Add new parameter.
4230         * output.h (Output_section::add_input_section): Add new parameter.
4231         (Output_section::input_section_order_specified): New
4232         method.
4233         (Output_section::set_input_section_order_specified): New method.
4234         (Input_section::Input_section): Initialize section_order_index_.
4235         (Input_section::section_order_index): New method.
4236         (Input_section::set_section_order_index): New method.
4237         (Input_section::section_order_index_): New member.
4238         (Input_section::Input_section_sort_section_order_index_compare): New
4239         struct.
4240         (Output_section::input_section_order_specified_): New member.
4241         * script-sections.cc (is_wildcard_string): Delete and move modified
4242         method to gold.h.
4243         (Output_section_element_input::Output_section_element_input): Modify
4244         call to is_wildcard_string.
4245         (Output_section_element_input::Input_section_pattern
4246         ::Input_section_pattern): Ditto.
4247         (Output_section_element_input::Output_section_element_input): Ditto.
4248         * testsuite/Makefile.am (final_layout): New test case.
4249         * testsuite/Makefile.in: Regenerate.
4250         * testsuite/final_layout.cc: New file.
4251         * testsuite/final_layout.sh: New file.
4252
4253 2010-06-01  Rafael Espindola  <espindola@google.com>
4254
4255         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4256
4257 2010-06-01  Rafael Espindola  <espindola@google.com>
4258
4259         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4260         visibility of symbols.
4261
4262 2010-05-27  Doug Kwan  <dougkwan@google.com>
4263
4264         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4265         from start of output section instead of address for a local symbol
4266         in a merged or relaxed section when doing a relocatable link.
4267
4268 2010-05-26  Rafael Espindola  <espindola@google.com>
4269
4270        PR 11604
4271         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4272         adding sections the garbage collector removed.
4273         * gold/testsuite/Makefile.am: Add test.
4274         * gold/testsuite/Makefile.in: Regenerate.
4275         * gold/testsuite/plugin_test_7.sh: New.
4276         * gold/testsuite/plugin_test_7_1.c: New.
4277         * gold/testsuite/plugin_test_7_2.c: New.
4278
4279 2010-05-26  Rafael Espindola  <espindola@google.com>
4280
4281         * script-sections.cc (Output_section_definition::set_section_addresses):
4282         Check for --section-start.
4283
4284 2010-05-26  Doug Kwan  <dougkwan@google.com>
4285
4286         * arm.cc (Arm_scan_relocatable_relocs): New class.
4287         (Target_arm::relocate_special_relocatable): New method.
4288         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4289         (Arm_relocate_functions::thumb_branch_common): Same.
4290         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4291         instead of Default_scan_relocatable_relocs.
4292         * target-reloc.h (relocate_for_relocatable): Let target handle
4293         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4294         * target.h (Sized_target::relocate_special_relocatable): New method.
4295
4296 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4297
4298         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4299
4300 2010-05-23  Doug Kwan  <dougkwan@google.com>
4301
4302         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4303         instead of a cast.
4304         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4305         with a direct branch, not a conditional branch, to a stub.
4306         * merge.cc (Output_merge_base::record_input_section): New method
4307         defintion.
4308         (Output_merge_data::do_add_input_section): Record input section if
4309         keeps-input-sections flag is set.
4310         (Output_merge_string::do_add_input_section): Ditto.
4311         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4312         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4313         INPUT_SECTIONS_.
4314         (Output_merge_base::keeps_input_sections,
4315         Output_merge_base::set_keeps_input_sections,
4316         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4317         method definitions.
4318         (Output_merge_base::Input_sections): New type declaration.
4319         (Output_merge_base::input_sections_begin,
4320         Output_merge_base::input_sections_end,
4321         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4322         (Output_merge_base::bool keeps_input_sections_,
4323         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4324         Output_merge_base::input_sections_): New data members.
4325         (Output_merge_data::do_set_keeps_input_sections): New method
4326         defintion.
4327         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4328         * output.cc (Output_section::Input_section::relobj): Move method
4329         defintion from class declaration to here and handle merge sections.
4330         (Output_section::Input_section::shndx): Ditto.
4331         (Output_section::Output_section): Remove initializations of removed
4332         data members and initialize new data member LOOKUP_MAPS_.
4333         (Output_section::add_input_section): Set keeps-input-sections flag
4334         for a newly created merge output section as appropriate.  Adjust code
4335         to use Output_section_lookup_maps class.
4336         (Output_section::add_relaxed_input_section): Adjst code for lookup
4337         maps code refactoring.
4338         (Output_section::add_merge_input_section): Add a new parameter
4339         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4340         class.  If adding input section to a newly created merge output
4341         section fails, remove the new merge section.
4342         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4343         Adjust code for use of the Output_section_lookup_maps class.
4344         (Output_section::find_merge_section): Ditto.
4345         (Output_section::build_lookup_maps): New method defintion.
4346         (Output_section::find_relaxed_input_section): Adjust code to use
4347         Output_section_lookup_maps class.
4348         (Output_section::get_input_sections): Export merge sections.  Adjust
4349         code to use Output_section_lookup_maps class.
4350         (Output_section:::add_script_input_section): Adjust code to use
4351         Output_section_lookup_maps class.  Update lookup maps for merge
4352         sections also.
4353         (Output_section::discard_states): Use Output_section_lookup_maps.
4354         (Output_section::restore_states): Same.
4355         * output.h (Merge_section_properties): Move class defintion out of
4356         Output_section.
4357         (Output_section_lookup_maps): New class.
4358         (Output_section::Input_section::is_merge_section): New method
4359         defintion.
4360         (Output_section::Input_section::relobj): Move defintion out of class
4361         defintion.  Declare method only.
4362         (Output_section::Input_section::shndx): Ditto.
4363         (Output_section::Input_section::output_merge_base): New method defintion.
4364         (Output_section::Input_section::u2_.pomb): New union field.
4365         (Output_section::Merge_section_by_properties_map,
4366         Output_section::Output_section_data_by_input_section_map,
4367         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4368         Remove types.
4369         (Output_section::add_merge_input_section): Add new parameter
4370         KEEPS_INPUT_SECTIONS.
4371         (Output_section::build_lookup_maps): New method declaration.
4372         (Output_section::merge_section_map_,
4373         Output_section::merge_section_by_properties_map_,
4374         Output_section::relaxed_input_section_map_,
4375         Output_section::is_relaxed_input_section_map_valid_): Remove data
4376         members.
4377         (Output_section::lookup_maps_): New data member.
4378
4379 2010-05-21  Doug Kwan  <dougkwan@google.com>
4380
4381         PR gold/11619
4382         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4383         avoid a compilation error.
4384
4385 2010-05-19  Rafael Espindola  <espindola@google.com>
4386
4387         * script-sections.cc (Output_section_definition::allocate_to_segment):
4388         Update the phdrs_list even when the output section is NULL.
4389         * testsuite/Makefile.am: Add test.
4390         * testsuite/Makefile.in: Regenerate.
4391         * testsuite/script_test_9.cc: New.
4392         * testsuite/script_test_9.sh: New.
4393         * testsuite/script_test_9.t: New.
4394
4395 2010-05-19  Doug Kwan  <dougkwan@google.com>
4396
4397         * arm.cc (Arm_input_section::original_size): New method.
4398         (Arm_input_section::do_addralign): Add a cast.
4399         (Arm_input_section::do_output_offset): Remove static cast.
4400         (Arm_input_section::original_addralign,
4401          Arm_input_section::original_size_): Change type to uint32_t.
4402         (Arm_input_section::init): Add safe casts for section alignment
4403         and size.
4404         (Arm_input_section::set_final_data_size): Do not set address and
4405         offset of stub table.
4406         (Arm_output_section::fix_exidx_coverage): Change use of of
4407         Output_section::Simple_input_section to that of
4408         Output_section::Input_section.
4409         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4410         except for the first pass.
4411         * output.cc (Output_section::get_input_sections): Change type of
4412         input_sections to std::list<Input_section>.
4413         (Output_section::add_script_input_section): Rename from
4414         Output_section::add_simple_input_section.  Change type of SIS
4415         parameter from Simple_input_section to Input_section.
4416         * output.h (Output_section::Simple_input_section): Remove class.
4417         (Output_section::Input_section): Change class visibility to public.
4418         (Output_section::Input_section::addralign): Use stored alignments
4419         for special input sections if set.
4420         (Output_section::Input_section::set_addralign): New method.
4421         (Output_section::get_input_sections): Change parameter type from
4422         list of Simple_input_section to list of Input_section.
4423         (Output_section::add_script_input_section): Rename from
4424         Output_section::add_simple_input_section. Change first parameter's
4425         type from Simple_input_section to Input_section and remove the
4426         second and third parameters.
4427         * script-sections.cc (Input_section::Input_section_list): Change
4428         type to list of Output_section::Input_section/
4429         (Input_section_info::Input_section_info): Change parameter type of
4430         INPUT_SECTION to Output_section::Input_section.
4431         (Input_section_info::input_section): Change return type.
4432         (Input_section_info::input_section_): Change type to
4433         Output_section::Input_section.
4434         (Output_section_element_input::set_section_addresses): Adjust code
4435         to use Output_section::Input_section instead of
4436         Output_section::Simple_input_section.  Adjust code for renaming
4437         of Output_section::add_simple_input_section.
4438         (Orphan_output_section::set_section_addresses): Ditto.
4439
4440 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4441
4442         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4443         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4444
4445 2010-05-18  Rafael Espindola  <espindola@google.com>
4446
4447         * options.cc (General_options::finalize): Handle -nostdlib.
4448         * options.h (nostdlib): New option.
4449         * script.cc (script_add_search_dir): Handle -nostdlib.
4450
4451 2010-05-12  Doug Kwan  <dougkwan@google.com>
4452
4453         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4454         attributes section only if there no attributes section after merging.
4455         (Target_arm::merge_object_attributes): Move value of
4456         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4457         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4458         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4459         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4460         and arm_attr_merge_7.stdout.
4461         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4462         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4463         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4464         arm_attr_merge_7b.o): New rules.
4465         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4466         arm_attr_merge_7
4467         * testsuite/Makefile.in: Regenerate.
4468         * testsuite/arm_attr_merge.sh: New file.
4469         * testsuite/arm_attr_merge_[67][ab].s: Same.
4470
4471 2010-05-05  Nick Clifton  <nickc@redhat.com>
4472
4473         * po/es.po: Updated Spanish translation.
4474
4475 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4476
4477         * Makefile.am (install-exec-local): Properly install gold as
4478         default cross linker.
4479         * Makefile.in: Regenerated.
4480
4481 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4482             Nick Clifton  <nickc@redhat.com>
4483
4484         * configure.ac (install_as_default): Define and set to false
4485         unless --enable-gold or --enable-gold=both/gold has been
4486         specified.
4487         * configure: Regenerate.
4488
4489         * Makefile.am (install-exec-local): Install the executable as
4490         'ld.gold'.  If install_as_default is true then also install it as
4491         'ld'.
4492         * Makefile.in: Regenerated.
4493
4494 2010-04-24  Ian Lance Taylor  <iant@google.com>
4495
4496         * layout.cc (Layout::layout_reloc): In relocatable link don't
4497         combine reloc sections for grouped sections.
4498
4499 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4500
4501         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4502         sections that are not ordinary to icf.
4503         * icf.cc (get_section_contents): Handle relocation pointing to section
4504         with no object or shndx information.
4505         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4506         * testsuite/Makefile.in: Regenerate.
4507         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4508         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4509
4510 2010-04-22  Ian Lance Taylor  <iant@google.com>
4511
4512         * expression.cc (Expression::Expression_eval_info): Add
4513         result_alignment_pointer field.
4514         (Expression::eval_with_dot): Add result_alignment_pointer
4515         parameter.  Change all callers.
4516         (Expression::eval_maybe_dot): Likewise.
4517         (class Binary_expression): Add alignment_pointer parameter to
4518         left_value and right_value.  Change all callers.
4519         (BINARY_EXPRESSION): Set result alignment.
4520         (class Trinary_expression): Add alignment_pointer parameter to
4521         arg2_value and arg3_value.  Change all callers.
4522         (Trinary_cond::value): Set result alignment.
4523         (Max_expression::value, Min_expression::value): Likewise.
4524         (Align_expression::value): Likewise.
4525         * script-sections.cc (class Sections_element): Add dot_alignment
4526         parameter to set_section_addresses virtual function.  Update
4527         instantiations.
4528         (class Output_section_element): Likewise.
4529         (Script_sections::create_segments): Add dot_alignment parameter.
4530         Change all callers.
4531         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4532         (Script_sections::set_phdrs_clause_addresses): Likewise.
4533         * script-sections.h: Update declarations.
4534         * script.h: Update declarations.
4535         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4536         min_p_align.
4537         * testsuite/script_test_3.t: Set large alignment.
4538         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4539         segment has expected alignment.
4540
4541 2010-04-22  Nick Clifton  <nickc@redhat.com>
4542
4543         * po/gold.pot: Updated by the Translation project.
4544         * po/vi.po: Updated Vietnamese translation.
4545
4546 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4547
4548         * testsuite/Makefile.am (check_PROGRAMS): Add
4549         icf_virtual_function_folding_test.
4550         * testsuite/Makefile.in: Regenerated.
4551
4552 2010-04-15  Andrew Haley  <aph@redhat.com>
4553
4554         * options.h (merge_exidx_entries): New option.
4555         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4556         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4557         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4558         (Target_arm::merge_exidx_entries): New function.
4559         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4560         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4561         to Arm_exidx_fixup constructor.
4562         Add new arg, merge_exidx_entries.
4563         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4564         Arm_output_section::fix_exidx_coverage.
4565
4566 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4567
4568         * icf.cc (get_section_contents): Check for preemptible functions.
4569         Ignore addend when appropriate.
4570         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4571         section folded.
4572         (add_from_relobj): Check for section folded.
4573         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4574         * symtab.h (should_add_dynsym_entry): Add new parameter.
4575         * target-reloc.h (scan_relocs): Check for section folded.
4576         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4577         Check reloc types for function pointers in shared objects.
4578         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4579         case.
4580         (icf_preemptible_functions_test): New test case.
4581         (icf_string_merge_test): New test case.
4582         * testsuite.Makefile.in: Regenerate.
4583         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4584         bar_glob.  Refactor code.
4585         * testsuite/icf_preemptible_functions_test.cc: New file.
4586         * testsuite/icf_preemptible_functions_test.sh: New file.
4587         * testsuite/icf_string_merge_test.cc: New file.
4588         * testsuite/icf_string_merge_test.sh: New file.
4589         * testsuite/icf_virtual_function_folding_test.cc: New file.
4590         * testsuite/icf_virtual_function_folding_test.sh: New file.
4591
4592 2010-04-14  Doug Kwan  <dougkwan@google.com>
4593
4594         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4595         for local symbol recounting if we remove a section due to ICF.
4596         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4597         there are no regular objects in input.
4598
4599 2010-04-13  Doug Kwan  <dougkwan@google.com>
4600
4601         * arm.cc (Arm_input_section::set_final_data_size): Compute
4602         accurate final data size instead of using current data size.
4603
4604 2010-04-09  Doug Kwan  <dougkwan@google.com>
4605
4606         * layout.cc (Layout::choose_output_section): Handle script section
4607         types.
4608         (Layout::make_output_section_for_script): Add section type parameter.
4609         Handle script section types.
4610         * layout.h (Layout::make_output_section_for_script): Add section
4611         type parameter.
4612         * output.cc (Output_section::Output_section): Initialize data member
4613         is_noload_.
4614         (Output_section::do_reset_address_and_file_offset): Do not set address
4615         to 0 if section is a NOLOAD section.
4616         * output.h (Output_section::is_noload): New method.
4617         (Output_section::set_is_noload): Ditto.
4618         (Output_section::is_noload_): New data member.
4619         * script-c.h (Script_section_type): New enum type.
4620         (struct Parser_output_section_header): Add new file section_type.
4621         * script-sections.cc (Sections_element::output_section_name): Add
4622         parameter for returning script section type.
4623         (Output_section_definition::output_section_name): Ditto.
4624         (Output_section_definition::section_type)P; New method.
4625         (Output_section_definiton::script_section_type_name): Ditto.
4626         (Output_section_definition::script_section_type_): New data member.
4627         (Output_section_definition::Output_section_definition): Initialize
4628         data member Output_section_definition::script_section_type_.
4629         (Output_section_definition::create_sections): Pass script section type
4630         to Layout::make_output_section_for_script.
4631         (Output_section_definition::output_section_name): Return script
4632         section type to caller.
4633         (Output_section_definition::set_section_address): Do not advance
4634         dot value and load address if section type is NOLOAD.  Set address
4635         of NOLOAD sections regardless of section flags.
4636         (Output_section_definition::print): Print section type if it is
4637         not SCRIPT_SECTION_TYPE_NONE.
4638         (Output_section_definition::section_type): New method.
4639         (Output_section_definition::script_section_type_name): Ditto.
4640         (Script_sections::output_section_name): Add new parameter
4641         PSECTION_TYPE for returning script section type.  Pass it to
4642         section elements.  Handle discard sections.
4643         (Sort_output_sections::operator()): Handle NOLOAD sections.
4644         * script-sections.h (Script_sections::Section_type): New enum type.
4645         (Script_sections::output_section_name): Add a new parameter for
4646         returning script section type.
4647         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4648         INFO and NOLOAD.
4649         * yyscript.y (union): Add new field SECTION_TYPE.
4650         (COPY, DSECT, INFO, NOLOAD): New tokens.
4651         (opt_address_and_section_type): Change type to output_section_header.
4652         (section_type): New non-terminal
4653         (section_header): Handle section type.
4654         (opt_address_and_section_type): Return section type value.
4655
4656 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4657
4658         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4659         * testsuite/plugin_common_test_2.c (foo): Likewise.
4660
4661 2010-04-08  Doug Kwan  <dougkwan@google.com>
4662
4663         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4664         Output_merge_data.
4665         * output.cc (Output_section::add_merge_input_section): Simplify
4666         code and return status of Output_merge_base::add_input_section.
4667         Update merge section map only if Output_merge_base::add_input_section
4668         returns true.
4669
4670 2010-04-07  Doug Kwan  <dougkwan@google.com>
4671
4672         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4673         if section is marked as containing instructions but has no mapping
4674         symbols.
4675         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4676         correct section index.
4677         (Arm_relobj::find_linked_text_section): Ditto.
4678
4679 2010-04-07  Cary Coutant  <ccoutant@google.com>
4680
4681         * archive.cc (include_member): Destroy Read_symbols_data object before
4682         releasing file.
4683         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4684         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4685         (Read_symbols_data::~Read_symbols_data) New destructor.
4686         (Section_relocs::Section_relocs) New constructor.
4687         (Section_relocs::~Section_relocs) New destructor.
4688         (Read_relocs_data::Read_relocs_data) New constructor.
4689         (Read_relocs_data::~Read_relocs_data) New destructor.
4690         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4691         pointers to NULL after deleting.
4692
4693 2010-04-07  Doug Kwan  <dougkwan@google.com>
4694
4695         * arm.cc: Replace "endianity" with "endianness" in comments.
4696         (Arm_exidx_cantunwind): Ditto.
4697         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4698         (Arm_relobj::merge_flags_and_attributes): New method.
4699         (Arm_relobj::merge_flags_and_attributes_): New data member.
4700         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4701         (Arm_relobj::scan_sections_for_stubs): Ditto.
4702         (Arm_relobj::do_read_symbols): Check to see if we really want to
4703         merge processor-specific flags and attributes.  Exit early if
4704         an object is empty except for section names and the undefined symbol.
4705         (Target_arm::do_finalize_sections): Move check for ELF format to
4706         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4707         attributes from a regular object only when we have determined that
4708         it is aapropriate.  Do not create an .ARM.attributes section in
4709         output if there is no regular input object.
4710         (Target_arm::merge_processor_specific_flags): Check
4711         --warn-mismatch before printing any error.
4712         (Target_arm::merge_object_attributes): Ditto.
4713         * gold.cc (queue_middle_tasks): Handle the case in which there is
4714         no regular object in input.
4715         * options.cc (General_options::parse_EB): New method.
4716         (General_options::parse_EL): Same.
4717         (General_options::General_options): Initialize endianness_.
4718         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4719         New options.
4720         (General_options::Endianness): New enum.
4721         (General_options::endianness): New method.
4722         (General_options::endianness_): New data member.
4723         * parameters.cc (Parameters::set_options): Check target endianness.
4724         (Parameters::set_target_once): Ditto.
4725         (Parameters::check_target_endianness): New method.
4726         (parameters_force_valid_target): If either -EL or -EB is specified,
4727         use it to define endianness of default target.
4728         * parameters.h (Parameters::check_target_endianness): New method
4729         declaration.
4730         * target.h (class Target): Change "endianity" to "endianness"
4731         in comments.
4732
4733 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4734
4735         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4736         * configure: Regenerate.
4737         * Makefile.in: Regenerate.
4738         * testsuite/Makefile.in: Regenerate.
4739
4740 2010-04-06  Cary Coutant  <ccoutant@google.com>
4741
4742         gcc PR lto/42757
4743         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4744         prevailing definitions of common symbols.
4745         * testsuite/plugin_test_6.sh: New test case.
4746         * testsuite/plugin_common_test_1.c: New test case.
4747         * testsuite/plugin_common_test_2.c: New test case.
4748         * testsuite/Makefile.am (plugin_test_6): New test case.
4749         * testsuite/Makefile.in: Regenerate.
4750
4751 2010-04-06  Nick Clifton  <nickc@redhat.com>
4752
4753         * po/vi.po: New Vietnamese translation.
4754
4755 2010-03-30  Doug Kwan  <dougkwan@google.com>
4756
4757         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4758
4759 2010-03-25  Doug Kwan  <dougkwan@google.com>
4760
4761         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4762         to avoid a conversion warning on a 32-bit host.
4763
4764 2010-03-24  Ian Lance Taylor  <iant@google.com>
4765
4766         * testsuite/script_test_3.t: Add a TLS segment.
4767         * testsuite/Makefile.am (check_PROGRAMS): Add
4768         tls_phdrs_script_test.
4769         (tls_phdrs_script_test_SOURCES): Define.
4770         (tls_phdrs_script_test_DEPENDENCIES): Define.
4771         (tls_phdrs_script_test_LDFLAGS): Define.
4772         (tls_phdrs_script_test_LDADD): Define.
4773         * testsuite/Makefile.in: Rebuild.
4774
4775 2010-03-23  Cary Coutant  <ccoutant@google.com>
4776
4777         * fileread.cc (find_or_make_view): Fix comment.
4778
4779 2010-03-23  Ian Lance Taylor  <iant@google.com>
4780
4781         * script-sections.cc (class Orphan_section_placement): Define
4782         PLACE_TLS and PLACE_TLS_BSS.
4783         (Orphan_section_placement::Orphan_section_placement): Initialize
4784         new places.
4785         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4786         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4787         (tls_script_test_SOURCES): Define.
4788         (tls_script_test_DEPENDENCIES): Define.
4789         (tls_script_test_LDFLAGS): Define.
4790         (tls_script_test_LDADD): Define.
4791         * testsuite/Makefile.in: Rebuild.
4792
4793 2010-03-22  Doug Kwan  <dougkwan@google.com>
4794
4795         * arm.cc (Arm_relocate_functions::abs8,
4796         Arm_relocate_functions::abs16): Use correct check for overflow
4797         specified in the ARM ELF specs.
4798         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4799         target of a BLX instruction specially.
4800         (Reloc_stub::stub_type_for_reloc): Ditto.
4801         (Relocate::relocate): Use symbolic names instead of numeric relocation
4802         codes to report error.
4803         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4804         workaround.
4805         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4806         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4807         thumb2_blx_out_of_range.stdout
4808         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4809         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4810         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4811         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4812         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4813         thumb2_blx_in_range, thumb2_blx_in_range.o,
4814         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4815         thumb2_blx_out_of_range.o): New rules.
4816         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4817         thumb2_blx_in_range and thumb2_blx_out_of_range.
4818         * testsuite/Makefile.in: Regenerate.
4819         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4820         * testsuite/thumb_blx_in_range.s: New file.
4821         * testsuite/thumb_blx_out_of_range.s: New file.
4822
4823 2010-03-22  Rafael Espindola  <espindola@google.com>
4824
4825         * archive.cc (Should_include): Move to archive.h.
4826         (should_include_member): Make it a member of Archive.
4827         (Lib_group): New.
4828         (Add_lib_group_symbols): New.
4829         * archive.h: Include options.h.
4830         (Archive_member): Moved from Archive.
4831         (Should_include): Moved from archive.cc.
4832         (Lib_group): New.
4833         (Add_lib_group_symbols): New.
4834         * dynobj.cc (do_should_include_member): New.
4835         * dynobj.h (do_should_include_member): New.
4836         * gold.cc (queue_initial_tasks): Update call to queue.
4837         * main.cc (main): Print lib group stats.
4838         * object.cc (do_should_include_member): New.
4839         * object.h: Include archive.h.
4840         (Object::should_include_member): New.
4841         (Object::do_should_include_member): New.
4842         (Sized_relobj::do_should_include_member): New.
4843         * options.cc (General_options::parse_start_lib): New.
4844         (General_options::parse_end_lib): New.
4845         (Input_arguments::add_file): Handle lib groups.
4846         (Input_arguments::start_group): Check we are not in a lib.
4847         (Input_arguments::start_lib): New.
4848         (Input_arguments::end_lib): New.
4849         * options.h (General_options): Add start_lib and end_lib.
4850         (Input_argument::lib_): New.
4851         (Input_argument::lib): New.
4852         (Input_argument::is_lib): New.
4853         (Input_file_lib): New.
4854         (Input_arguments::in_lib_): New.
4855         (Input_arguments::in_lib): New.
4856         (Input_arguments::start_lib): New.
4857         (Input_arguments::end_lib_): New.
4858         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4859         in unused members as preempted.
4860         (Sized_pluginobj::do_should_include_member): New.
4861         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4862         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4863         return the blocker.
4864         (Read_symbols::do_whole_lib_group): New.
4865         (Read_symbols::do_lib_group): New.
4866         (Read_symbols::do_read_symbols): Handle lib groups.
4867         (Read_symbols::get_name): Handle lib groups.
4868         * readsyms.h (Read_symbols): Add an archive member pointer.
4869         (Read_symbols::do_whole_lib_group): New.
4870         (Read_symbols::do_lib_group): New.
4871         (Read_symbols::member_): New.
4872         * script.cc (read_input_script): Update call to queue_soon.
4873
4874 2010-03-19  Doug Kwan  <dougkwan@google.com>
4875
4876         * arm.cc (Stub_table::Stub_table): Initialize new data members
4877         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4878         (Stub_table::add_reloc_stub): Assign stub offset and update
4879         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4880         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4881         New data members.
4882         (Stub_table::update_data_size_and_addralign): Use
4883         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4884         instead of going over all reloc stubs.
4885         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4886         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4887         Stringpool_template::offset_ to size of Stringpool_char.
4888         (Stringpool_template::new_key_offset): Remove code to initialize
4889         Stringpool_template::offset_.
4890         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4891         Stringpool_template::offset_ to zero.
4892
4893 2010-03-15  Doug Kwan  <dougkwan@google.com>
4894
4895         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4896         offset_.
4897         (Stringpool_template::new_key_offset): New method.
4898         (Stringpool_template::add_string): Assign offsets when adding new
4899         strings.
4900         (Stringpool_template::set_string_offsets): Do not set string offsets
4901         when not optimizing.
4902         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4903         member size_.
4904         (Chunked_vector::clear): Clear size_.
4905         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4906         (Chunked_vector::size): Return size_.
4907         (Chunked_vector::push_back): Use size_ to find insert position.
4908         (Chunked_vector::size_): New data member.
4909         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4910         (Stringpool_template::new_key_offset): New method declaration.
4911         (Stringpool_template::offset_): New data member.
4912
4913 2010-03-15   Rafael Espindola  <espindola@google.com>
4914
4915         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4916         Add_symbols' constructor.
4917         * readsyms.h (Add_symbols): Remove the input_group member.
4918
4919 2010-03-10  Ian Lance Taylor  <iant@google.com>
4920
4921         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4922         target to ask whether a reference to a symbol requires a stack
4923         split.
4924         * target.h (Target::is_call_to_non_split): New function.
4925         (Target::do_is_call_to_non_split): Declare virtual function.
4926         * target.cc: Include "symtab.h".
4927         (Target::do_is_call_to_non_split): New function.
4928         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4929
4930 2010-03-10  Cary Coutant  <ccoutant@google.com>
4931
4932         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4933         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4934         (File_read::open[2]): Add whole_file_view_ to list of views.
4935         (File_read::make_view): Remove test of whole_file_view_.
4936         (File_read::find_or_make_view): Create whole_file_view_ if
4937         necessary.
4938         (File_read::clear_views): Replace bool parameter with enum;
4939         adjust all callers.  Don't delete views with permanent data;
4940         do delete cached views and views from archives if
4941         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4942         if clearing the corresponding view.
4943         * fileread.h (File_read::Clear_views_mode): New enum.
4944         (File_read::View::is_permanent_view): New method.
4945         (File_read::clear_views): Replace bool parameter
4946         with enum; adjust all callers.
4947         * options.h (General_options): Change keep_files_mapped option;
4948         add map_whole_files.
4949         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4950         releasing the file.
4951         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4952         the file.
4953
4954 2010-03-10  David S. Miller  <davem@davemloft.net>
4955
4956         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4957
4958 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4959
4960         * icf.cc (get_section_contents): Add '@' marker after processing the
4961         merge reloc.
4962
4963 2010-03-08  Doug Kwan  <dougkwan@google.com>
4964
4965         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4966         due to a conversion warning.
4967         (Arm_relobj::update_output_local_symbol_count): Check for local
4968         symbol with unset output index.
4969
4970 2010-03-05  Ian Lance Taylor  <iant@google.com>
4971
4972         * options.h (class General_options): Add --spare-dynamic-tags.
4973         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4974         --spare-dynamic-tags.
4975
4976 2010-03-05  Ian Lance Taylor  <iant@google.com>
4977
4978         * incremental.cc: Include "libiberty.h".
4979
4980 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4981
4982         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4983         function, is_info_ member.
4984         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4985         (Versions::Versions): Update caller.
4986         (Versions::define_base_version): Likewise.
4987         (Versions::add_def): Likewise.
4988
4989 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4990
4991         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4992         (Scan::possible_function_pointer_reloc): New function.
4993         (Scan::local_reloc_may_be_function_pointer): Change to call
4994         possible_function_pointer_reloc.
4995         (Scan::global_reloc_may_be_function_pointer): Ditto.
4996         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4997         relocations in ".data.rel.ro._ZTV" section.
4998         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4999         * testsuite/icf_safe_so_test.cc: Ditto.
5000         * testsuite/icf_safe_test.cc: Ditto.
5001         * testsuite/icf_safe_test.sh: Ditto.
5002
5003 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5004             Ian Lance Taylor  <iant@google.com>
5005
5006         * target-reloc.h (relocate_section): Check the symbol table index
5007         for -1U before setting the local symbol index.
5008         (scan_relocatable_relocs): If copying the relocation, record that
5009         the local symbol is required.
5010         * object.h (Symbol_value::is_output_symtab_index_set): New
5011         function.
5012         (Symbol_value::may_be_discarded_from_output_symtab): New
5013         function.
5014         (Symbol_value::has_output_symtab_entry): New function.
5015         (Symbol_value::needs_output_symtab_entry): Remove.
5016         (Symbol_value::output_symtab_index): Make sure the symbol index is
5017         set.
5018         (Symbol_value::set_output_symtab_index): Make sure the symbol
5019         index is not set.  Make sure the new index is valid.
5020         (Symbol_value::set_must_have_output_symtab_entry): New function.
5021         (Symbol_value::has_output_dynsym_entry): New function.
5022         (Symbol_value::set_output_dynsym_index): Make sure the new index
5023         is valid.
5024         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5025         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5026         local symbol if permitted.
5027         (Sized_relobj::do_finalize_local_symbols): Call
5028         is_output_symtab_index_set rather than needs_output_symtab_entry.
5029         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5030         rather than needs_output_symtab_entry.  Call
5031         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5032         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5033         is_output_symtab_index_set rather than needs_output_symtab_entry.
5034         * testsuite/discard_locals_relocatable_test.c: New file.
5035         * testsuite/discard_locals_test.sh: Test -r.
5036         * testsuite/Makefile.am (check_DATA): Add
5037         discard_locals_relocatable_test1.syms,
5038         discard_local_relocatable_test2.syms.
5039         (MOSTLYCLEANFILES): Likewise.  Also add
5040         discard_locals_relocatable_test1.lout and
5041         discard_locals_relocatable_test2.out.
5042         (discard_locals_relocatable_test1.syms): New target.
5043         (discard_locals_relocatable_test.o): New target.
5044         (discard_locals_relocatable_test1.out): New target.
5045         (discard_locals_relocatable_test2.syms): New target.
5046         (discard_locals_relocatable_test2.out): New target.
5047         (various): Add missing ../ld-new dependencies.
5048         * testsuite/Makefile.in: Rebuild.
5049
5050 2010-03-03  Nick Clifton  <nickc@redhat.com>
5051
5052         * po/fi.po: New Finnish translation.
5053
5054 2010-03-01  Doug Kwan  <dougkwan@google.com>
5055
5056         * layout.cc (Layout::Layout): Force section types of .init_array*,
5057         .preinit_array* and .fini_array* sections.
5058         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5059         Fix check of return value of std::string::find.().
5060         (Output_section::Input_section_sort_compare::operator()): Remove
5061         comment about .init_array.
5062         (Output_section::Input_section_sort_init_fini_compare::operator()):
5063         New method.
5064         (Output_section::sort_attached_input_sections): Handle .init_array
5065         and .fini_array specially.
5066         * output.h (Output_section::Inut_section_sort_compare): Update
5067         comment.
5068         (Output_section::Input_section_sort_init_fini_compare): New struct.
5069
5070 2010-02-26  Doug Kwan  <dougkwan@google.com>
5071
5072         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5073         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5074         * testsuite/debug_msg.sh: Avoid matching source line number for
5075         use of global variable undef_int.
5076
5077 2010-02-26  Doug Kwan  <dougkwan@google.com>
5078
5079         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5080         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5081         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5082         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5083         * options.cc (General_options::General_options): Initialize member
5084         fix_v4bx_.
5085         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5086         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5087         and rm_no_fix_v4bx.stdout
5088         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5089         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5090         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5091         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5092         and arm_no_fix_v4bx.
5093         * Makefile.in: Regenerate.
5094         * testsuite/arm_fix_v4bx.s: New file.
5095         * testsuite/arm_fix_v4bx.sh: Ditto.
5096
5097 2010-02-24  Doug Kwan  <dougkwan@google.com>
5098
5099         * arm.cc (Target_arm::got_section): Make the .got section the first
5100         non RELRO section in the data segment.
5101         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5102         suffixes of section names.
5103
5104 2010-02-24  Doug Kwan  <dougkwan@google.com>
5105
5106         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5107         flags and attributes merging if an input file is a binary file.
5108         * fileread.cc (Input_file::open): Record format of original file.
5109         * fileread.h (Input_file::Format): New enum type.
5110         (Input_file::Input_file): Initialize data member format_.
5111         (Input_file::format): New method definition.
5112         (Input_file::format_):: New data member.
5113
5114 2010-02-24  Doug Kwan  <dougkwan@google.com>
5115
5116         * arm.cc (Arm_output_data_got): New class.
5117         (ARM_TCB_SIZE): New constant
5118         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5119         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5120         If user uses a script with a SECTIONS clause, issue only a warning
5121         for a misplaced EXIDX input section.  Otherwise, issue an error.
5122         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5123         garbage collection.
5124         (Target_arm::got_mode_index_entry): Handle static linking.
5125         (Target_arm::Scan::local): Ditto.
5126         (Target_arm::Scan::global): Ditto.
5127         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5128         all incorrectly implemented relocations.
5129         (Target_arm::fix_exidx_coverage): Pass layout to
5130         Arm_output_section::fix_exidx_coverage.
5131         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5132         from ".ARM.exidx." and ".ARM.extab.".
5133
5134 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5135
5136         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5137         section if it does not already exist.
5138         * attributes.cc (Attributes_section_data::Attributes_section_data):
5139         Don't crash if size is zero.
5140
5141 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5142             Ian Lance Taylor  <iant@google.com>
5143
5144         * gold.cc (queue_middle_tasks): If no input files were opened,
5145         exit.
5146         * workqueue.h (Task_function::Task_function): Assert that there is
5147         a blocker.
5148
5149 2010-02-22  Doug Kwan  <dougkwan@google.com>
5150
5151         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5152         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5153         types to avoid warnings due to different uint64_t implementations
5154         on different hosts.
5155
5156 2010-02-21  Doug Kwan  <dougkwan@google.com>
5157
5158         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5159         handling of the maximum backward branch offset.
5160         (Arm_relocate_functions::thumb_branch_common): Ditto.
5161         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5162         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5163         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5164         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5165         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5166         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5167         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5168         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5169         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5170         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5171         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5172         thumb2_bl_out_of_range.o): New rules.
5173         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5174         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5175         thumb2_bl_out_of_range
5176         * testsuite/Makefile.in: Regenerate.
5177         * testsuite/arm_bl_in_range.s: New file.
5178         * testsuite/arm_bl_out_of_range.s: Ditto.
5179         * testsuite/arm_branch_in_range.sh: Ditto.
5180         * testsuite/arm_branch_range.t: Ditto.
5181         * testsuite/thumb2_branch_range.t: Ditto.
5182         * testsuite/thumb_bl_in_range.s: Ditto.
5183         * testsuite/thumb_bl_out_of_range.s: Ditto.
5184         * testsuite/thumb_branch_range.t: Ditto.
5185
5186 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5187
5188         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5189         Add reloc offset information.
5190         * icf.cc (get_section_contents): Change iterators to point to the new
5191         vectors. Add reloc offset information to the contents.
5192         * icf.h (Icf::Sections_reachable_info): New typedef.
5193         (Icf::Sections_reachable_list): New typedef.
5194         (Icf::Offset_info): New typedef.
5195         (Icf::Reloc_info): New struct typedef.
5196         (Icf::Reloc_info_list): New typedef.
5197         (Icf::symbol_reloc_list): Delete method.
5198         (Icf::addend_reloc_list): Delete method.
5199         (Icf::section_reloc_list): Delete method.
5200         (Icf::reloc_info_list): New method.
5201         (Icf::reloc_info_list_): New member.
5202
5203 2010-02-19  Doug Kwan  <dougkwan@google.com>
5204
5205         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5206         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5207         * arm.cc (Arm_relocation_functions): New forward declaration.
5208         (Target_arm::Target_arm): Initialize new data members
5209         got_mod_index_offset_ and tls_base_symbol_defined_.
5210         (Target_arm::Relocate::relocate_tls): New method.
5211         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5212          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5213         New methods.
5214         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5215         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5216         (Target_arm::got_mod_index_offset_,
5217         Target_arm::tls_base_symbol_defined_): New data members.
5218         (Target_arm::Scan::local, Target::Scan::global,
5219         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5220         relocations.
5221
5222 2010-02-18  Doug Kwan  <dougkwan@google.com>
5223
5224         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5225         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5226         text section as a parameter becuase some broken tools may not set
5227         the link in section header.
5228         (Target_arm::has_got_section): New method.
5229         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5230         without any mapping symbol as data only.  Remove warning.
5231         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5232         link in its section header, try to discover the link by inspecting the
5233         REL31 relocation at the beginning of the section.
5234         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5235         in error message.
5236         (Target_arm::Scan::global): Treat any reference to the symbol
5237         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5238
5239 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5240
5241         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5242         (Scan::global_reloc_may_be_function_pointer): New function.
5243         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5244         (Scan::global_reloc_may_be_function_pointer): New function.
5245         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5246         (Scan::global_reloc_may_be_function_pointer): New function.
5247         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5248         (Scan::global_reloc_may_be_function_pointer): New function.
5249         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5250         (Scan::global_reloc_may_be_function_pointer): New function.
5251         (Scan::possible_function_pointer_reloc): New function.
5252         (Target_x86_64::can_check_for_function_pointers): New function.
5253         * gc.h (gc_process_relocs): Scan relocation types to determine if
5254         function pointers were taken for targets that support it.
5255         * icf.cc (Icf::find_identical_sections): Include functions for
5256         folding in safe ICF whose pointer is not taken.
5257         * icf.h (Secn_fptr_taken_set): New typedef.
5258         (fptr_section_id_): New member.
5259         (section_has_function_pointers): New function.
5260         (set_section_has_function_pointers): New function.
5261         (check_section_for_function_pointers): New function.
5262         * options.h: Fix comment for safe ICF option.
5263         * target.h (can_check_for_function_pointers): New function.
5264         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5265         Modify icf_safe_test for X86-64.
5266         * testsuite/Makefile.in: Regenerate.
5267         * testsuite/icf_safe_so_test.cc: New file.
5268         * testsuite/icf_safe_so_test.sh: New file.
5269         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5270         (main): Change to take pointer to function kept_func_3.
5271         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5272         folding is done correctly for X86-64.
5273
5274 2010-02-12  David S. Miller  <davem@davemloft.net>
5275
5276         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5277         is_symbolless parameter.
5278         (Output_reloc<SHT_REL>::is_symbolless): New.
5279         (Output_reloc<SHT_REL>::is_symbolless_): New.
5280         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5281         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5282         (Output_reloc<SHT_RELA>::is_symbolless): New.
5283         (Output_data_reloc::add_global): Handle is_symbolless.
5284         (Output_data_reloc::add_global_relative): Likewise.
5285         (Output_data_reloc::add_local): Likewise.
5286         (Output_data_reloc::add_local_relative): Likewise.
5287         (Output_data_reloc::add_symbolless_global_addend): New.
5288         (Output_data_reloc::add_symbolless_local_addend): New.
5289         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5290         is_symbolless.
5291         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5292         instead of ->is_relative_
5293         (Output_reloc::write): Likewise.
5294         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5295         (Output_reloc::write_rel): Simplify.
5296
5297         * sparc.cc (Target_sparc::Scan::local): Use
5298         ->add_symbolless_local_addend as needed.
5299         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5300         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5301         based upon relocation offset.
5302
5303 2010-02-11  Doug Kwan  <dougkwan@google.com>
5304
5305         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5306         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5307         beginning of function.
5308         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5309         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5310         parameter is_32bit in calls to should_apply_static_reloc.
5311         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5312         (check_DATA): Add arm_abs_global.stdout.
5313         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5314         arm_abs_global.stdout): New rules.
5315         (MOSTLLYCLEANFILES): Add arm_abs_global
5316         * Makefile.in: Regenerate.
5317         * testsuite/arm_abs_global.s: New file.
5318         * testsuite/arm_abs_global.sh: Ditto.
5319         * testsuite/arm_abs_lib.s: Ditto.
5320
5321 2010-02-11  Ian Lance Taylor  <iant@google.com>
5322
5323         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5324         Read_relocs task.
5325         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5326         Allocate_commons_task first.
5327         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5328         task, rather than symtab_lock_.
5329         (Gc_process_relocs::~Gc_process_relocs): New function.
5330         (Gc_process_relocs::is_runnable): Check this_blocker_.
5331         (Gc_process_relocs::locks): Use next_blocker_ rather than
5332         blocker_.
5333         (Scan_relocs::~Scan_relocs): New function.
5334         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5335         symtab_lock_.
5336         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5337         next_blocker_.
5338         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5339         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5340         constructor accordingly.
5341         (class Gc_process_relocs): Likewise.
5342         (class Scan_relocs): Likewise.
5343         * common.h (class Allocate_commons_task): Remove symtab_lock_
5344         field, and corresponding constructor parameter.
5345         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5346         symtab_lock_.
5347         (Allocate_commons_task::locks): Likewise.
5348
5349 2010-02-11  Ian Lance Taylor  <iant@google.com>
5350
5351         * gold-threads.h (class Once): Define.
5352         (class Initialize_lock): Rewrite as child of Once.
5353         * gold-threads.cc (class Once_initialize): Define.
5354         (once_pointer_control): New static variable.
5355         (once_pointer, once_arg): New static variables.
5356         (c_run_once): New static function.
5357         (Once::Once, Once::run_once, Once::internal_run): New functions.
5358         (class Initialize_lock_once): Remove.
5359         (initialize_lock_control): Remove.
5360         (initialize_lock_pointer): Remove.
5361         (initialize_lock_once): Remove.
5362         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5363         (Initialize_lock::initialize): Rewrite.
5364         (Initialize_lock::do_run_once): New function.
5365         * archive.cc (Archive::interpret_header): Only clear name if it is
5366         not already empty.
5367         * fileread.cc: Include "gold-threads.h"
5368         (file_counts_lock): New static variable.
5369         (file_counts_initialize_lock): Likewise.
5370         (File_read::release): Only increment counts when using --stats.
5371         Use a lock around the increment.
5372         * parameters.cc (class Set_parameters_target_once): Define.
5373         (set_parameters_target_once): New static variable.
5374         (Parameters::Parameters): Move here from parameters.h.
5375         (Parameters::set_target): Rewrite.
5376         (Parameters::set_target_once): New function.
5377         (Parameters::clear_target): Move here and rewrite.
5378         * parameters.h (class Parameters): Update declarations.  Add
5379         set_parameters_target_once_ field.
5380         (Parameters::Parameters): Move to parameters.cc.
5381         (Parameters::clear_target): Likewise.
5382         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5383         task.
5384         (Start_group::~Start_group): New function.
5385         (Start_group::is_runnable): New function.
5386         (Start_group::locks, Start_group::run): New functions.
5387         (Finish_group::run): Change saw_undefined to size_t.
5388         * readsyms.h (class Start_group): Define.
5389         (class Finish_group): Change saw_undefined_ field to size_t.
5390         (Finish_group::Finish_group): Remove saw_undefined and
5391         this_blocker parameters.  Change all callers.
5392         (Finish_group::set_saw_undefined): New function.
5393         (Finish_group::set_blocker): New function.
5394         * symtab.h (class Symbol_table): Change saw_undefined to return
5395         size_t.  Change saw_undefined_ field to size_t.
5396         * target-select.cc (Set_target_once::do_run_once): New function.
5397         (Target_selector::Target_selector): Initialize set_target_once_
5398         field.  Don't initialize lock_ and initialize_lock_ fields.
5399         (Target_selector::instantiate_target): Rewrite.
5400         (Target_selector::set_target): New function.
5401         * target-select.h (class Set_target_once): Define.
5402         (class Target_selector): Update declarations.  Make
5403         Set_target_once a friend.  Remove lock_ and initialize_lock_
5404         fields.  Add set_target_once_ field.
5405
5406 2010-02-10  Ian Lance Taylor  <iant@google.com>
5407
5408         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5409         queueing any tasks.
5410         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5411         (queue_middle_tasks): Add all blockers before queueing any tasks.
5412         (queue_final_tasks): Likewise.
5413         * token.h (Task_token::add_blockers): New function.
5414         * object.h (Input_objects::number_of_relobjs): New function.
5415
5416 2010-02-10  Ian Lance Taylor  <iant@google.com>
5417
5418         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5419         shared, not if not position independent.
5420         * x86_64.cc (Relocate::relocate_tls): Likewise.
5421         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5422         (tls_pie_pic_test): New target.
5423         * testsuite/Makefile.in: Rebuild.
5424
5425         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5426         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5427         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5428         * testsuite/Makefile.in: Rebuild.
5429
5430 2010-02-09  David S. Miller  <davem@davemloft.net>
5431
5432         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5433         R_SPARC_RELATIVE using ->add_local_relative().
5434         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5435
5436         * output.h (Output_data_dynamic::add_section_size): New method
5437         that takes two Output_data objects.
5438         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5439         entry param.  Handle it in initializers.
5440         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5441         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5442         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5443         arg.
5444         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5445         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5446         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5447         for dynrel_includes_plt.
5448         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5449         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5450         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5451         before .rela.plt
5452         (Target_sparc::do_finalize_sections): Update to pass true for
5453         dynrel_includes_plt.
5454         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5455         output before .rela.plt
5456         (Target_powerpc::do_finalize_sections): Update to pass true for
5457         dynrel_includes_plt when 32-bit.
5458
5459 2010-02-08  Doug Kwan  <dougkwan@google.com>
5460
5461         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5462         method.
5463         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5464         Arm_relobj::scan_section_for_cortex_a8_stubs,
5465         Arm_relobj::do_relocation_section): Instead of calling
5466         Output_section::output_address, use faster
5467         Arm_relobj::simple_input_section_output_address.
5468
5469 2010-02-08  David S. Miller  <davem@davemloft.net>
5470
5471         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5472         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5473         relocation helper function.
5474
5475         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5476         just like R_SPARC_GOT{10,13,22}.
5477         (Target_sparc::Scan::local): Likewise.
5478         (Target_sparc::Relocate:relocate): Likewise.
5479
5480 2010-02-06  Ian Lance Taylor  <iant@google.com>
5481
5482         * configure.ac: Rewrite targetobjs duplicate removal code to use
5483         only shell constructs.
5484         * configure: Rebuild.
5485
5486 2010-02-05  Doug Kwan  <dougkwan@google.com>
5487
5488         PR 11247
5489         * arm.cc (Arm_relobj::section_is_scannable): New method.
5490         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5491         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5492
5493 2010-02-04  Doug Kwan  <dougkwan@google.com>
5494
5495         PR 11247
5496         * arm-reloc-property.cc (cstdio): Include.
5497         * configure.ac (targetobjs): Remove duplicates.
5498         * configure: Regenerate.
5499         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5500         big and little endian version for a given address size.
5501
5502 2010-02-03  Doug Kwan  <dougkwan@google.com>
5503
5504         * arm-reloc-property.cc
5505         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5506         definition.
5507         * arm-reloc-property.h
5508         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5509         New method definition.
5510         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5511         declaration.
5512         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5513         overflow to N.
5514         (GOT_PREL): Change implemented to Y.
5515         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5516         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5517         (Arm_relocate_functions::movw_abs_nc): Remove method.
5518         (Arm_relocate_functions::movt_abs): Ditto.
5519         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5520         (Arm_relocate_functions::thm_movt_abs): Ditto.
5521         (Arm_relocate_functions::movw_rel_nc): Ditto.
5522         (Arm_relocate_functions::movw_rel): Ditto.
5523         (Arm_relocate_functions::movt_rel): Ditto.
5524         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5525         (Arm_relocate_functions:thm_movw_rel): Ditto.
5526         (Arm_relocate_functions:thm_movt_rel): Ditto.
5527         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5528         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5529         New method definitions.
5530         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5531         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5532         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5533         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5534         (Target_arm::Relocate::relocate): Check for non-static or
5535         unimplemented relocation code and exit early.  Change calls to
5536         Target_arm::reloc_uses_thumb_bit and
5537         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5538         instead.  Refactor code to handle similar relocations to increase
5539         code sharing.  Remove check for unsupported relocation code in switch
5540         statement.
5541         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5542         relocation property table to find out size.  Change error message to
5543         print out the name of a relocation code instead of the numeric value.
5544         (Target_arm::scan_reloc_for_stub): Use relocation property table
5545         instead of calling Target_arm::reloc_uses_thumb_bit().
5546
5547 2010-02-02  Doug Kwan  <dougkwan@google.com>
5548
5549         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5550         types of relaxed input section.
5551
5552 2010-02-02  Doug Kwan  <dougkwan@google.com>
5553
5554         * Makefile.am (HFILES): Add arm-reloc-property.h.
5555         (DEFFILES): New.
5556         (TARGETSOURCES): Add arm-reloc-property.cc
5557         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5558         (libgold_a_SOURCES): $(DEFFILES)
5559         * Makefile.in: Regenerate.
5560         * arm-reloc-property.cc: New file.
5561         * arm-reloc-property.h: New file.
5562         * arm-reloc.def: New file.
5563         * arm.cc: Update comments.
5564         (arm-reloc-property.h): New included header.
5565         (arm_reloc_property_table): New global variable.
5566         (Target_arm::do_select_as_default_target): New method definition.
5567         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5568         arm-reloc-property to targ_extra_obj.
5569         * parameters.cc (set_parameters_target): Call
5570         Target::select_as_default_target().
5571         * target.h (Target::select_as_default_target): New method definition.
5572         (Target::do_select_as_default_target): Same.
5573
5574 2010-02-01  Doug Kwan  <dougkwan@google.com>
5575
5576         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5577         first_output_text_section_.
5578         (Arm_exidx_fixup::first_output_text_section): New method definition.
5579         (Arm_exidx_fixup::first_output_text_section_): New data member.
5580         (Arm_exidx_fixup::process_exidx_section): Record the first text
5581         output section seen.
5582         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5583         and entsize in output section header.
5584
5585 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5586
5587         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5588         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5589         (Arm_relocate_functions::thm_alu11): New Method.
5590         (Arm_relocate_functions::thm_pc8): New Method.
5591         (Arm_relocate_functions::thm_pc12): New Method.
5592         (Target_arm::Scan::local): Handle the relocations.
5593         (Target_arm::Scan::global): Likewise.
5594         (Target_arm::Relocate::relocate): Likewise.
5595         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5596
5597 2010-01-29  Doug Kwan  <dougkwan@google.com>
5598
5599         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5600         of relocation types as ld.
5601
5602 2010-01-29  Doug Kwan  <dougkwan@google.com>
5603
5604         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5605         to public.
5606         (Arm_relocate_functions::thumb_branch_common): Ditto.
5607         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5608         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5609         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5610         Arm_relocate_functions::jump24): Remove.
5611         (Target_arm::Relocate::relocate): Adjust code to call
5612         Arm_relocation_functions::arm_branch_common and
5613         Arm_relocation_functions::thumb_branch_common instead of their removed
5614         wrappers.  Merge switch-cases together to reduce source code size.
5615
5616 2010-01-29  Doug Kwan  <dougkwan@google.com>
5617
5618         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5619         output_local_symbol_count_needs_update_.
5620         (Arm_relobj::output_local_symbol_count_needs_update,
5621          Arm_relobj::set_output_local_symbol_count_needs_update,
5622          Arm_relobj::update_output_local_symbol_count): New methods.
5623         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5624         member.
5625         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5626         of pointed function as in a R_ARM_PREL31 relocation.
5627         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5628         for output local symbol count updating.
5629         (Target_arm::do_relax): Update output local symbol counts in objects
5630         if necessary.
5631         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5632
5633 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5634
5635         * arm.cc: Added support for the ARM relocations:
5636         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5637         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5638         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5639         movw_prel_nc).
5640         (Arm_relocate_functions::movw_rel): New method.
5641         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5642         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5643         thm_movw_prel_nc).
5644         (Arm_relocate_functions::thm_movw_rel): New method.
5645         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5646         thm_movt_prel).
5647         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5648         relocations.
5649         (Target_arm::Scan::global): Likewise.
5650         (Target_arm::Relocate::relocate): Likewise.
5651         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5652         Likewise.
5653
5654 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5655
5656         * arm.cc: Added support for ARM group relocations.
5657         (Target_arm::reloc_needs_sym_origin): New method.
5658         (Arm_relocate_functions::calc_grp_kn): New method.
5659         (Arm_relocate_functions::calc_grp_residual): New method.
5660         (Arm_relocate_functions::calc_grp_gn): New method.
5661         (Arm_relocate_functions::arm_grp_alu): New Method.
5662         (Arm_relocate_functions::arm_grp_ldr): New Method.
5663         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5664         (Arm_relocate_functions::arm_grp_ldc): New Method.
5665         (Target_arm::Scan::local): Handle the ARM group relocations.
5666         (Target_arm::Scan::global): Likewise.
5667         (Target_arm::Relocate::relocate): Likewise.
5668         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5669         Likewise.
5670
5671 2010-01-26  Doug Kwan  <dougkwan@google.com>
5672
5673         * arm.cc (set): Include.
5674         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5675         pointer type.
5676         (Arm_output_section::Text_section_list): New type.
5677         (Arm_output_section::append_text_sections_to_list): New method.
5678         (Arm_output_section::fix_exidx_coverage): Ditto.
5679         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5680         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5681         Relobj::set_section_offset() instead of
5682         Sized_relobj::invalidate_section_offset().
5683         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5684         parameter for section headers. Ignore relocation sections for
5685         unallocated sections and EXIDX sections.
5686         (Target_arm::fix_exidx_coverage): New method.
5687         (Target_arm::output_section_address_less_than): New type.
5688         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5689         linked text section instead of the EXIDX section.
5690         (Arm_output_section::create_stub_group): Add an assertion to check
5691         that this is not an EXIDX output section.
5692         (Arm_output_section::append_text_sections_to_list): New method.
5693         (Arm_output_section::fix_exidx_coverage): Ditto.
5694         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5695         Arm_relobj::section_needs_reloc_stub_scanning.
5696         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5697         first pass.
5698         (Target_arm::fix_exidx_coverage): New method.
5699         * object.h (Relobj::set_output_section): New method.
5700         (Sized_relobj::invalidate_section_offset): Remove method.
5701         (Sized_relobj::do_invalidate_section_offset): Remove method.
5702         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5703
5704 2010-01-25  Doug Kwan  <dougkwan@google.com>
5705
5706         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5707         Fix warning due to signed and unsigned comparison on a 32-bit host.
5708
5709 2010-01-22  Doug Kwan  <dougkwan@google.com>
5710
5711         * arm.cc (Target_arm::do_relax): Record an output section for section
5712         offset adjustment it contains any stub table that has changed.
5713         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5714         offsets in an output section if necessary.
5715         * output.cc (Output_section::Output_section): Initialize
5716         section_offsets_need_adjustments_.
5717         (Output_section::add_input_section_for_script): Renamed to
5718         Output_section::add_simple_input_section.
5719         (Output_section::save_states): Add a comment.
5720         (Output_section::discard_states): New method defintion.
5721         (Output_section::adjust_section_offsets): Same.
5722         * output.h (Output_section::add_input_section_for_script): Renamed to
5723         Output_section::add_simple_input_section.
5724         (Output_section::discard_states): New method declaration.
5725         (Output_section::adjust_section_offsets): Same.
5726         (Output_section::section_offsets_need_adjustment,
5727         Output_section::set_section_offsets_need_adjustment): New method
5728         definitions.
5729         (Output_section::section_offsets_need_adjustment_): New data member.
5730         * script-sections.cc
5731         (Output_section_element_input::set_section_address): Adjust code for
5732         renaming of Output_section::add_input_section_for_script.
5733         (Orphan_output_section::set_section_address): Same.
5734
5735 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5736
5737         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5738         Fix_v4bx enum values .
5739         * gold/options.h (General_options): New option definitions.
5740         (General_options::fix_v4bx): New method.
5741         (General_options::Fix_v4bx): New enum.
5742         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5743         (General_options::parse_fix_v4bx_interworking): New method.
5744
5745 2010-01-22  Doug Kwan  <dougkwan@google.com>
5746
5747         * arm.cc (Arm_exidx_fixup): New class.
5748
5749 2010-01-21  Doug Kwan  <dougkwan@google.com>
5750
5751         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5752         classes.
5753         (Arm_exidx_section_offset_map): New type.
5754
5755 2010-01-21  Doug Kwan  <dougkwan@google.com>
5756
5757         * arm.cc (Arm_exidx_input_section): New class.
5758         (Arm_relobj::exidx_input_section_by_link,
5759         Arm_relobj::exidx_input_section_by_shndx,
5760         Arm_relobj::make_exidx_input_section): New methods.
5761         (read_arm_attributes_section): Remove.
5762         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5763         information about them.
5764         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5765         to here.
5766
5767 2010-01-20  Doug Kwan  <dougkwan@google.com>
5768
5769         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5770         Input_section_specifier to Section_id.
5771         (Target_arm::new_arm_input_section: Adjust code for change of key
5772         type.
5773         (Target_arm::find_arm_input_section): Ditto.
5774         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5775         (Section_id): Remove.
5776         (Garbage_collection::Section_id_hash): Remove.
5777         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5778         (Section_id): Remove.
5779         (Icf::Section_id_hash): Remove.
5780         * object.h (Section_id, Const_section_id, Section_id_hash,
5781         Const_section_id_hash): New type definitions.
5782         * output.cc (Output_section::add_relaxed_input_section): Change to
5783         use Const_section_id instead of Input_section_specifier as key type.
5784         (Output_section::add_merge_input_section): Ditto.
5785         (Output_section::build_relaxation_map): Change to use Section_id
5786         instead of Input_section_specifier as key type.
5787         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5788         Ditto.
5789         (Output_section::convert_input_sections_to_relaxed_sections): Change
5790         to use Const_section_id instead of Input_section_specifier as key type.
5791         (Output_section::find_merge_section): Ditto.
5792         (Output_section::find_relaxed_input_section): Ditto.
5793         * output.h (Input_section_specifier): Remove class.
5794         (Output_section::Output_section_data_by_input_section_map): Change
5795         key type to Const_section_id.
5796         (Output_section::Output_relaxed_input_section_by_input_section_map):
5797         Ditto.
5798         (Output_section::Relaxation_map): Change key type to Section_id.
5799
5800 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5801
5802         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5803         (class Arm_v4bx_stub): New class.
5804         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5805         (Stub_factory::make_arm_v4bx_stub): New method.
5806         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5807         (Stub_table::empty): Handle v4bx stubs.
5808         (Stub_table::add_arm_v4bx_stub): New method.
5809         (Stub_table::find_arm_v4bx_stub): New method.
5810         (Arm_relocate_functions::v4bx): New method.
5811         (Target_arm::fix_v4bx): New method.
5812         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5813         (Stub_table::relocate_stubs): Likewise.
5814         (Stub_table::do_write): Likewise.
5815         (Stub_table::update_data_size_and_addralign): Likewise.
5816         (Stub_table::finalize_stubs):  Likewise.
5817         (Target_arm::Scan::local): Likewise.
5818         (Target_arm::Scan::global): Likewise.
5819         (Target_arm::do_finalize_sections): Likewise.
5820         (Target_arm::Relocate::relocate): Likewise.
5821         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5822         Likewise.
5823         (Target_arm::scan_reloc_for_stub): Likewise.
5824         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5825
5826 2010-01-19  Ian Lance Taylor  <iant@google.com>
5827
5828         * output.cc (Output_section_headers::do_sized_write): Write large
5829         segment count to sh_info field.
5830         (Output_file_header::do_sized_write): For large segment count,
5831         write PN_XNUM to e_phnum field.
5832
5833 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5834
5835         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5836         (Arm_relocate_functions::thm_jump8): New function.
5837         (Arm_relocate_functions::thm_jump11): New function.
5838         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5839         R_ARM_THM_JUMP11.
5840         (Target_arm::Scan::global): Likewise.
5841         (Target_arm::Relocate::relocate): Likewise.
5842         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5843         Likewise.
5844
5845 2010-01-14  Doug Kwan  <dougkwan@google.com>
5846
5847         * arm.cc (map, utility): Include headers.
5848         (Target_arm::apply_cortex_a8_workaround): New method.
5849         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5850         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5851         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5852         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5853         the --[no-]fix-cortex-a8 command line options.
5854         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5855         (Target_arm::relocate_stub): Use addend in instruction template.
5856         * options.h (DEFINE_bool): Set the user-set flag.
5857         (General_options): Add --[no-]-fix-cortex options.
5858         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5859         : Update fast look-up map after conversion.
5860
5861 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5862
5863         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5864         in the first pass of do_layout.
5865
5866 2010-01-13  Doug Kwan  <dougkwan@google.com>
5867
5868         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5869         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5870         apparent compiler problem of not folding static constant integral
5871         data members of elfcpp::Elf_sizes<32>.
5872
5873 2010-01-13  Doug Kwan  <dougkwan@google.com>
5874
5875         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5876         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5877         Arm_relobj::scan_section_for_cortex_a8_erratum,
5878         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5879         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5880         sections to scan for relocation stubs into a new method
5881         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5882         relocation and Cortex-A8 stub scanning.
5883         (Target_arm::do_relax): Force stubs to be after stubbed sections
5884         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5885         the beginning of a new relaxation pass.  Update a comment.
5886         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5887
5888 2010-01-12  Ian Lance Taylor  <iant@google.com>
5889
5890         * target-reloc.h (visibility_error): New inline function.
5891         (relocate_section): Call visibility_error.
5892         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5893         (MOSTLYCLEANFILES): Likewise.
5894         (protected_4_pic.o, protected_3.err): New targets.
5895         * testsuite/protected_4.cc: New file.
5896
5897 2010-01-12  Doug Kwan  <dougkwan@google.com>
5898
5899         * arm.cc (Cortex_a8_reloc): New class.
5900         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5901         and cortex_a8_relocs_info_.
5902         (Target_arm::fix_cortex_a8): New method definition.
5903         (Target_arm::Cortex_a8_relocs_info): New type.
5904         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5905         New data member declarations.
5906         (Target_arm::scan_reloc_for_stub): Record information about
5907         relocations for THUMB branches that might be exempted from the
5908         Cortex-A8 workaround.
5909         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5910         at the beginning of a relaxation pass.
5911
5912 2010-01-12  Doug Kwan  <dougkwan@google.com>
5913
5914         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5915         (Arm_relobj::Mapping_symbol_position,
5916          Arm_reloj::Mapping_symbol_position_less,
5917          Arm_relobj::Mapping_symbols_info): New types.
5918         (Target_arm::is_mapping_symbol_name): New method definition.
5919         (Arm_relobj::do_count_local_symbols): Save information about mapping
5920         symbols.
5921
5922 2010-01-11  Doug Kwan  <dougkwan@google.com>
5923
5924         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5925         Arm_relocate_functions::thumb32_branch_upper,
5926         Arm_relocate_functions::thumb32_branch_lower,
5927         Arm_relocate_functions::thumb32_cond_branch_offset,
5928         Arm_relocate_functions::thumb32_cond_branch_upper,
5929         Arm_relocate_functions::thumb32_cond_branch_lower,
5930         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5931         branch offset encoding.
5932         (Arm_relocate_functions::thumb_branch_common): Use new branch
5933         offset encoding methods to avoid code duplication.
5934         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5935         (Stub_addend_reader::operator()): Use new branch encoding method
5936         to avoid code duplication.
5937
5938 2010-01-11  Doug Kwan  <dougkwan@google.com>
5939
5940         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5941         (Target_arm::do_finalize_sections): Define special EXIDX section
5942         symbols only if referenced.
5943         * gc.h (Garbage_collection::add_reference): New method.
5944         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5945         code duplication.
5946
5947 2010-01-11  Ian Lance Taylor  <iant@google.com>
5948
5949         * script.cc (Version_script_info::build_expression_list_lookup):
5950         Change complaing about duplicate wildcard match from error to
5951         warning.
5952
5953         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5954         of 2009-12-30.
5955         (Version_script_info::Version_script_info): Initialize globs_,
5956         default_version_, default_is_global_, and exact_.  Don't
5957         initialize globals_ or locals_.
5958         (Version_script_info::build_lookup_tables): Build local symbols
5959         first.
5960         (Version_script_info::unquote): New function.
5961         (Version_script_info::add_exact_match): New function.
5962         (Version_script_info::build_expression_list_lookup): Remove lookup
5963         parameter.  Add is_global parameter.  Change all callers.  Handle
5964         wildcard pattern specially.  Unquote pattern.  Call
5965         add_exact_match.
5966         (Version_script_info::get_name_to_match): New function.
5967         (Version_script_info::get_symbol_version): New function.
5968         (Version_script_info::get_symbol_version_helper): Remove.
5969         (Version_script_info::check_unmatched_names): Call unquote.
5970         * script.h (class Version_script_info): Change get_symbol_version
5971         to be non-inline and add is_global parameter; change all callers.
5972         Rewrite symbol_is_local.  Update declarations.  Define struct
5973         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5974         Remove globals_ and locals_ members.  Add exact_, globs_,
5975         default_version_, is_global_.
5976         (Version_script_info::Glob): Remove pattern, add expression and
5977         is_global.  Update constructor.  Change all callers.
5978         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5979         default version.
5980         (Versions::symbol_section_contents): If a symbol is undefined, or
5981         defined in a dynamic object, set the version index to
5982         VER_NDX_LOCAL.
5983         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5984         symbol_is_local.
5985         (Symbol_table::add_from_pluginobj): Likewise.
5986         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5987
5988 2010-01-11  Doug Kwan  <dougkwan@google.com>
5989
5990         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5991         (incremental_dump_LDADD): Add linking option for libintl.
5992         * Makefile.in: Regenerate.
5993
5994 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5995
5996         PR gold/11144
5997         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5998         instead of -Ds.
5999         * testsuite/Makefile.in: Regenerated.
6000
6001 2010-01-10  Doug Kwan  <dougkwan@google.com>
6002
6003         * options.h (DEFINE_var): Use parentheses around argument varname__
6004         in macro body to avoid any unintended subsequent substitutions.
6005
6006 2010-01-10  Ian Lance Taylor  <iant@google.com>
6007
6008         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6009         candidates before doing symbol resolution.
6010
6011         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6012         ODR candidates if only one is weak.
6013
6014 2010-01-08  Ian Lance Taylor  <iant@google.com>
6015
6016         * script.cc (Version_script_info::build_expression_list_lookup):
6017         Don't warn about ambiguous version, just record the ambiguity.
6018         (Version_script_info::get_symbol_version_helper): Give error if
6019         version is ambiguous.
6020
6021 2010-01-08  Doug Kwan  <dougkwan@google.com>
6022
6023         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6024           prev_data_size_ and prev_addralign_.  Remove initializer for
6025           deleted data member has_been_changed_.
6026           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6027           to determine if the table is empty.
6028           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6029           Remove.
6030           (Stub_table::add_reloc_stub): Define method in class definition
6031           instead of just declaring it there.
6032           (Stub_table::add_cortex_a8_stub): New method definition.
6033           (Stub_table::update_data_size_and_addralign): Ditto.
6034           (Stub_table::finalize_stubs): Ditto.
6035           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6036           (Stub_table::do_addralign_): Return address alignment in the
6037           (Stub_table::do_reset_address_and_file_offset): Define method in
6038           class definition instead of declaring it there.  Set current data
6039           size to be the data size of the previous pass.
6040           (Stub_table::set_final_data_size): Use current data size as the
6041           final data size.
6042           (Stub_table::relocate_stub): Change parameter type of stub from
6043           Reloc_stub pointer to Stub pointer.
6044           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6045           (Stub_table::Cortex_a8_stub_list): New typedef.
6046           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6047            Stub_table::prev_addralign_): New data member.
6048           (Arm_relobj::Arm_relobj): Initialize data member
6049           section_has_cortex_a8_workaround_.
6050           (Arm_relobj::section_has_cortex_a8_workaround,
6051            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6052            definitions.
6053           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6054           declarations.
6055           (Target_arm::relocate_stub): Change parameter type of stub from
6056           Reloc_stub pointer to Stub pointer.
6057           (Insn_template::size, Insn_template::alignment): Handle
6058           THUMB16_SPECIAL_TYPE.
6059           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6060            Stub_table::update_data_size_and_addralign,
6061            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6062           definitions.
6063           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6064           (Stub_table::do_write): Ditto.
6065           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6066
6067 2010-01-08  Ian Lance Taylor  <iant@google.com>
6068
6069         PR 11108
6070         * symtab.h (class Symbol): Remove fields is_target_special_ and
6071         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6072         (Symbol::is_defined_in_discarded_section): New function.
6073         (Symbol::set_is_defined_in_discarded_section): New function.
6074         (Symbol::has_plt_offset): Rewrite.
6075         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6076         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6077         Don't initialize is_target_special_ or has_plt_offset_.
6078         Initialize is_defined_in_discarded_section_.
6079         (Symbol_table::add_from_relobj): If appropriate, set
6080         is_defined_in_discarded_section.
6081         * resolve.cc (Symbol::override_base_with_special): Don't test
6082         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6083         * target-reloc.h (relocate_section): Do special handling for
6084         symbols defined in discarded sections for global symbols as well
6085         as local symbols.
6086
6087 2010-01-08  Ian Lance Taylor  <iant@google.com>
6088
6089         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6090         the SHT_SYMTAB case.
6091
6092 2010-01-08  Ian Lance Taylor  <iant@google.com>
6093
6094         * object.cc (Sized_relobj::do_layout): Don't get confused if
6095         layout_eh_frame returns NULL.
6096
6097 2010-01-08  Ian Lance Taylor  <iant@google.com>
6098
6099         PR 11084
6100         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6101         dynamic symbol table, use the normal symbol table.
6102         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6103         symbol table.
6104
6105 2010-01-08  Ian Lance Taylor  <iant@google.com>
6106
6107         PR 11072
6108         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6109         sections.
6110
6111 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6112
6113         * version.cc (print_version): Change to "Copyright 2010".
6114
6115 2010-01-08  Ian Lance Taylor  <iant@google.com>
6116
6117         PR 10287
6118         PR 11063
6119         * i386.cc (class Target_i386): Change return type of plt_section
6120         to be non-const.
6121         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6122         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6123         tls_desc_rel_ field.
6124         (Output_data_plt_i386::rel_tls_desc): New function.
6125         (Target_i386::rel_tls_desc_section): New function.
6126         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6127         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6128         R_386_TLS_DESC reloc in rel_tls_desc_section.
6129         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6130         Define struct Tlsdesc_info.
6131         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6132         (Target_x86_64::do_reloc_symbol_index): New function.
6133         (Target_x86_64::add_tlsdesc_info): New function.
6134         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6135         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6136         tlsdesc_rel_ field.
6137         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6138         all callers.
6139         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6140         (Target_x86_64::rela_tlsdesc_section): New function.
6141         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6142         handling.
6143         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6144         (Target_x86_64::do_reloc_addend): New function.
6145         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6146         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6147         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6148         (Output_reloc::type): New function.
6149         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6150         (Output_reloc::is_target_specific): New function.
6151         (Output_reloc::target_arg): New function.
6152         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6153         absolute relocs and target specific relocs.
6154         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6155         add_target_specific.
6156         (class Output_data_reloc) [SHT_RELA]: Likewise.
6157         * output.cc (Output_reloc::Output_reloc): Add four new versions
6158         for absolute relocs and target specific relocs.
6159         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6160         (Output_reloc::get_symbol_index): Likewise.
6161         (Output_reloc::local_section_offset): Check that local_sym_index_
6162         is not TARGET_CODE or 0.
6163         (Output_reloc::symbol_value): Likewise.
6164         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6165         reloc.
6166         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6167         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6168         functions.
6169         * layout.cc (add_target_dynamic_tags): Use output section for
6170         DT_PLTRELSZ and DT_JMPREL.
6171
6172 2010-01-07  Ian Lance Taylor  <iant@google.com>
6173
6174         PR 11061
6175         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6176         function.
6177         (class Output_data_reloc_generic): Define.
6178         (class Output_data_reloc_base): Change base class to
6179         Output_data_reloc_generic.  Change add() method to call
6180         bump_relative_reloc_count for a relative reloc.  Remove
6181         sort_relocs_ field.
6182         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6183         to sort_relocs().
6184         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6185         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6186         appropriate.
6187         * layout.h (class Layout): Update declaration.
6188
6189 2010-01-07  Ian Lance Taylor  <iant@google.com>
6190
6191         * output.h (class Output_data): Add const version of
6192         output_section and do_output_section.
6193         (class Output_section_data): Add const version of
6194         do_output_section.
6195         (class Output_section): Likewise.
6196         * layout.cc (Layout::add_target_dynamic_tags): New function.
6197         * layout.h (class Layout): Update declarations.
6198         * arm.cc (Target_arm::do_finalize_sections): Use
6199         add_target_dynamic_tags.
6200         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6201         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6202         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6203         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6204
6205 2010-01-07  Ian Lance Taylor  <iant@google.com>
6206
6207         PR 11042
6208         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6209         object as needed.
6210
6211 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6212             Ian Lance Taylor  <iant@google.com>
6213
6214         PR 11019
6215         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6216         Xindex::read_symtab_xindex.
6217
6218 2010-01-07  Doug Kwan  <dougkwan@google.com>
6219
6220         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6221         (Insn_template::thumb16_bcond_insn): New method declaration.
6222         (Insn_template): Fix spelling.
6223         (Stub::thumb16_special): New method declaration.
6224         (Stub::do_write): Define virtual method which was previously pure
6225         virtual.
6226         (Stub::do_thumb16_special): New method declaration.
6227         (Stub::do_fixed_endian_write): New template member.
6228         (Reloc_stub::do_write): Remove.
6229         (Reloc_stub::do_fixed_endian_write): Remove.
6230         (Cortex_a8_stub): New class definition.
6231         (Stub_factory::make_cortex_a8_stub): New method definition.
6232         (Stub_factory::Stub_factory): Add missing static storage class
6233         qualifier for elf32_arm_stub_a8_veneer_blx.
6234
6235 2010-01-07  Ian Lance Taylor  <iant@google.com>
6236
6237         PR 10980
6238         * options.h (class General_options): Add --warn-unresolved-symbols
6239         and --error-unresolved-symbols.
6240         * errors.cc (Errors::undefined_symbol): Implement
6241         --warn-unresolved-symbols.
6242
6243         * options.h (class General_options): Add -z text and -z textoff.
6244         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6245
6246 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6247
6248         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6249         (Garbage_collection::cident_sections): New function.
6250         (Garbage_collection::add_cident_section): New function.
6251         (Garbage_collection::cident_sections_): New member.
6252         (gc_process_relocs): Add references to sections whose names are C
6253         identifiers.
6254         * gold.h (cident_section_start_prefix): New constant.
6255         (cident_section_stop_prefix): New constant.
6256         (is_cident): New function.
6257         * layout.cc (Layout::define_section_symbols): Replace string constants
6258         with the newly defined constants.
6259         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6260         C identifiers.
6261         * testsuite/Makefile.am: Add gc_orphan_section_test.
6262         * testsuite/Makefile.in: Regenerate.
6263         * testsuite/gc_orphan_section_test.cc: New file.
6264         * testsuite/gc_orphan_section_test.sh: New file.
6265
6266 2010-01-06  Ian Lance Taylor  <iant@google.com>
6267
6268         PR 10980
6269         * options.h (class General_options): Add --warn-shared-textrel.
6270         * layout.cc (Layout::finish_dynamic_section): Implement
6271         --warn-shared-textrel.
6272
6273         PR 10980
6274         * options.h (class General_options): Add --warn-multiple-gp.
6275
6276 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6277
6278         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6279         $(THREADSLIB) and $(LIBDL).
6280         * Makefile.in: Rebuild.
6281
6282 2010-01-06  Ian Lance Taylor  <iant@google.com>
6283
6284         PR 10980
6285         * options.cc (General_options::parse_section_start): New function.
6286         (General_options::section_start): New function.
6287         (General_options::General_options): Initialize all members.
6288         * options.h: Include <map>
6289         (class General_options): Add --section-start.  Add section_starts_
6290         member.
6291         * layout.cc (Layout::attach_allocated_section_to_segment): If
6292         --section-start was used, set the address of the segment.  Remove
6293         local sort_sections.
6294         (Layout::relaxation_loop_body): If the address of the load segment
6295         has been set by --section-start, don't use it.
6296         * output.h (Output_segment::update_flags_for_output_section): New
6297         function.
6298         * output.cc (Output_segment::add_output_section): Call
6299         update_flags_for_output_section.
6300
6301 2010-01-05  Ian Lance Taylor  <iant@google.com>
6302
6303         PR 10980
6304         * options.h (class General_options): Add --undefined-version.
6305         * script.cc (struct Version_expression): Add was_matched_by_symbol
6306         field.
6307         (Version_script_info::matched_symbol): New function.
6308         (Version_script_info::get_symbol_version_helper): Call
6309         matched_symbol.
6310         (Version_script_info::check_unmatched_names): New function.
6311         * script.h (class Version_script_info): Update declarations.
6312         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6313
6314         * options.h (class General_options): Use DEFINE_bool_alias for
6315         allow_multiple_definition.
6316         * resolve.cc (Symbol_table::should_override): Don't test
6317         allow_multiple_definition.
6318
6319         PR 10980
6320         * options.h (class General_options): Add --cref.
6321         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6322         until after printing cref table.
6323         * cref.cc: Include "symtab.h".
6324         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6325         (Cref_table_compare::operator()): New function.
6326         (Cref_inputs::gather_cref): New function.
6327         (filecol): New static const.
6328         (Cref_inputs::print_cref): New function.
6329         (Cref::print_cref): New function.
6330         * cref.h: Include <cstdio>.
6331         (class Cref): Update declarations.
6332         * mapfile.h (Mapfile::file): New function.
6333         * object.h (class Object): Define Symbols.  Declare virtual
6334         do_get_global_symbols.
6335         (Object::get_global_symbols): New function.
6336         * object.cc (Input_objects::add_object): Pass object to cref_ if
6337         --cref.
6338         (Input_objects::archive_start): Likewise.
6339         (Input_objects::archive_stop): Likewise.
6340         (Input_objects::print_cref): New function.
6341         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6342         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6343         --cref.
6344         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6345         function.
6346         * plugin.h (class Sized_pluginobj): Update declarations.
6347
6348 2010-01-05  Ian Lance Taylor  <iant@google.com>
6349
6350         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6351         to is_default_version.  Rename insdef to insdefault.
6352         (Symbol_table::add_from_relobj): Rename def to is_default_version
6353         and local to is_forced_local.
6354         (Symbol_table::add_from_pluginobj): Likewise.
6355         (Symbol_table::add_from_dynobj): Likewise.
6356         (Symbol_table::define_special_symbol): Rename insdef to
6357         insdefault.
6358
6359 2010-01-04  Ian Lance Taylor  <iant@google.com>
6360
6361         PR 10980
6362         * options.h (class General_options): Add
6363         --allow-multiple-definition and -z muldefs.
6364         * resolve.cc (Symbol_table::should_override): Don't warn about a
6365         multiple symbol definition if --allow-multiple-definition or -z
6366         muldefs.
6367
6368         PR 10980
6369         * options.h (class General_options): Add --add-needed and
6370         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6371         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6372         error if --copy-dt-needed-entries aka --add-needed is used and
6373         would cause a change in behaviour.
6374
6375         PR 10980
6376         * options.h (class General_options): Add -G as a short version of
6377         --shared.  Add no-op options -assert, -g, and -i.
6378
6379 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6380
6381         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6382         check for .text or .gnu.linkonce.t sections.
6383         * icf.cc (Icf::find_identical_sections): Ditto.
6384         Change the detection for mangled function name within the section
6385         name.
6386         * icf.h (is_section_foldable_candidate): New function.
6387
6388 2009-12-30  Ian Lance Taylor  <iant@google.com>
6389
6390         PR 10980
6391         * options.h (class General_options): Permit two dashes with
6392         --retain-symbols-file.
6393
6394 2009-12-30  Ian Lance Taylor  <iant@google.com>
6395
6396         PR 10979
6397         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6398         don't put the file header and segment headers in the text
6399         segment.
6400
6401         PR 10979
6402         * common.cc (Sort_commons::operator()): Stabilize sort when both
6403         entries are NULL.
6404         (Symbol_table::do_allocate_commons_list): When allocating common
6405         symbols, skip a symbol which is no longer common.
6406         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6407         an object before checking its type.
6408         * testsuite/common_test_2.c: New file.
6409         * testsuite/common_test_3.c: New file.
6410         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6411         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6412         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6413         (common_test_2_pic.o, common_test_2.so): New targets.
6414         (common_test_3_pic.o, common_test_3.so): New targets.
6415         * testsuite/Makefile.in: Rebuild.
6416
6417         PR 10979
6418         * script.cc (read_input_script): If we see a new SECTIONS clause,
6419         and we have added an input section, give an error.
6420         * layout.h (class Layout): Add have_added_input_section function.
6421         Add have_added_input_section_ field.
6422         * layout.cc (Layout::Layout): Initialize
6423         have_added_input_section_.
6424         (Layout::layout): Set have_added_input_section_.
6425         (Layout::layout_eh_frame): Likewise.
6426
6427 2009-12-30  Ian Lance Taylor  <iant@google.com>
6428
6429         PR 10931
6430         * options.h (class General_options): Add --sort-common option.
6431         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6432         * common.cc (Sort_common): Add sort_order parameter to
6433         constructor.  Add sort_order_ field.
6434         (Sort_commons::operator): Check sort_order_.
6435         (Symbol_table::allocate_commons): Determine the sort order.
6436         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6437         Change all callers.
6438         (Symbol_table::do_allocate_commons_list): Likewise.
6439
6440 2009-12-30  Ian Lance Taylor  <iant@google.com>
6441
6442         PR 10916
6443         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6444         symbols from this object, don't change the visibility of an
6445         undefined symbol.
6446         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6447
6448 2009-12-30  Ian Lance Taylor  <iant@google.com>
6449
6450         PR 10861
6451         * script.h (class Version_script_info): Define Language enum.
6452         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6453         new fields globals_, locals_, and is_finalized_.
6454         * script.cc: Various formatting fixes.
6455         (class Parser_closure): Change language_stack_ from a vector of
6456         std::string to one of Version_script_info::Language.  Adjust all
6457         uses accordingly.
6458         (class Lazy_demangler): Remove.
6459         (struct Version_expression): Change language from std::string to
6460         Version_script_info::Language.
6461         (Version_script_info::Version_script_info): New function.
6462         (Version_script_info::~Version_script_info): Don't call clear.
6463         (Version_script_info::finalize): New function.
6464         (Version_script_info::build_lookup_tables): New function.
6465         (Version_script_info::build_expression_list_lookup): New
6466         function.
6467         (Version_script_info::get_symbol_version_helper): Rewrite to use
6468         lookup tables.
6469         (Version_script_info::print_expression_list): Adjust to use
6470         Version_script_info::Language.
6471         (script_push_lex_into_version_mode): Check that the version script
6472         has not been finalized.
6473         (version_script_push_lang): Change language string to
6474         Version_script_info::Language.
6475         * options.cc (Command_line::version_script): New function.
6476         * options.h (class General_options): Add finalize_dynamic_list
6477         function.  Change version_script from declaration to definition.
6478         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6479         * testsuite/version_script.map: Remove duplicate def of foo.
6480         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6481         version_script.map.
6482         * testsuite/Makefile.in: Rebuild.
6483
6484 2009-12-30  Ian Lance Taylor  <iant@google.com>
6485
6486         PR 10843
6487         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6488         if the input symbol index is 0, make the output symbol index 0.
6489
6490 2009-12-30  Ian Lance Taylor  <iant@google.com>
6491
6492         PR 10670
6493         * options.h (class General_options): Add -x/--discard-all.
6494         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6495         --discard-all.  If the local symbol needs a dynamic entry, check
6496         that before handling --discard-locals.
6497
6498 2009-12-30  Ian Lance Taylor  <iant@google.com>
6499
6500         PR 10450
6501         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6502         flags to PF_R.
6503         (Output_segment::add_output_section): Don't change the flags if
6504         the type is PT_TLS.
6505
6506         PR 10450
6507         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6508         GNU hash table if they need a dynamic value.  Otherwise, don't add
6509         them if they are defined in a dynamic object or are forced local.
6510
6511 2009-12-29  Ian Lance Taylor  <iant@google.com>
6512
6513         PR 10450
6514         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6515         .gnu.hash table for a 32-bit target.
6516
6517         PR 10450
6518         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6519         regular and a dynamic object only needs a dynamic symbol table
6520         entry if it is externally visible.
6521
6522         PR 10450
6523         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6524         constructor.  Add global_offset_table_ field.
6525         (Target_i386::got_section): Set global_offset_table_.
6526         (Target_i386::do_finalize_sections): Set global_offset_table_
6527         size.
6528         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6529         in constructor.  Add global_offset_table_ field.
6530         (Target_x86_64::got_section): Set global_offset_table_.
6531         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6532         size.
6533
6534         * layout.cc (Layout::Layout): Initialize increase_relro_.
6535         (Layout::get_output_section): Add is_relro, is_last_relro, and
6536         is_first_non_relro parameters.  Change all callers.
6537         (Layout::choose_output_section): Likewise.
6538         (Layout::add_output_section_data): Likewise.
6539         (Layout::make_output_section): Likewise.
6540         (Layout::set_segment_offsets): Clear increase_relro when using a
6541         linker script.
6542         * layout.h (class Layout): Add increase_relro method.  Add
6543         increase_relro_ field.  Update declarations.
6544         * output.cc (Output_section::Output_section): Initialize
6545         is_last_relro_ and is_first_non_relro_.
6546         (Output_segment::add_output_section): Group relro sections is
6547         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6548         (Output_segment::maximum_alignment): Remove relro handling.
6549         (Output_segment::set_section_addresses): Add increase_relro
6550         parameter.  Change all callers.  Add initial alignment to align
6551         relro sections on separate page.  Remove old relro handling.
6552         (Output_segment::set_section_list_addresses): Remove in_relro
6553         parameter.  Change all callers.
6554         (Output_segment::set_offset): Add increase parameter.  Change all
6555         callers.  Remove old relro handling.
6556         * output.h (class Output_section): Add new methods: is_last_relro,
6557         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6558         Add is_last_relro_ and is_first_non_relro_ fields.
6559         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6560         Create separate .got.plt section.  Call increase_relro.
6561         * x86_64.cc (Target_x86_64::got_section): Likewise.
6562         * testsuite/relro_script_test.t: Add .got.plt.
6563
6564         PR 10450
6565         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6566         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6567         (Layout::finalize): Call set_dynamic_symbol_size.
6568         (Layout::set_dynamic_symbol_size): New function.
6569         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6570         set_dynamic_symbol_size.
6571
6572         PR 10450
6573         * output.h (class Output_section): Add is_entsize_zero_ field.
6574         * output.cc (Output_section::Output_section): Initialize
6575         is_entsize_zero_.
6576         (Output_section::set_entsize): If two different entsizes are
6577         requested, force it to zero.
6578         (Output_section::add_input_section): Set flags for .debug_str
6579         before updating section flags.  Set entsize.
6580         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6581         and SHF_STRING if all input sections have those flags.
6582
6583 2009-12-29   Rafael Espindola  <espindola@google.com>
6584
6585         * main.cc (main): Fix the sys time reporting.
6586         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6587         reporting.
6588
6589 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6590
6591         * options.cc (General_options::parse_version): Allow -v to exit
6592         without an error if there is nothing to link.
6593
6594 2009-12-29  Ian Lance Taylor  <iant@google.com>
6595
6596         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6597         using a version of gcc before 4.1.
6598         * configure: Rebuild.
6599
6600 2009-12-28  Chris Demetriou  <cgd@google.com>
6601
6602         * attributes.cc (Output_attributes_section_data::do_write): Use
6603         std::vector::front rather than std::vector::data.
6604
6605 2009-12-28  Ian Lance Taylor  <iant@google.com>
6606
6607         * symtab.h (class Symbol_table): Add enum Defined.
6608         * resolve.cc (Symbol_table::should_override): Add defined
6609         parameter.  Change all callers.  Test whether object is NULL
6610         before calling a method on it.
6611         (Symbol_table::report_resolve_problem): Add defined parameter.
6612         Change all callers.
6613         (Symbol_table::should_override_with_special): Likewise.
6614         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6615         parameter.  Change all callers.
6616         (Symbol_table::do_define_in_output_data): Likewise.
6617         (Symbol_table::define_in_output_segment): Likewise.
6618         (Symbol_table::do_define_in_output_segment): Likewise.
6619         (Symbol_table::define_as_constant): Likewise.
6620         (Symbol_table::do_define_as_constant): Likewise.
6621         * script.h (class Symbol_assignment): Add is_defsym parameter to
6622         constructor; change all callers.
6623         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6624         parameter.  Change all callers.  Add is_defsym_ field.
6625         (class Parser_closure): Add parsing_defsym parameter to
6626         constructor; change all callers.  Add parsing_defsym accessor
6627         function.  Add parsing_defsym_ field.
6628
6629 2009-12-28  Ian Lance Taylor  <iant@google.com>
6630
6631         * gold.cc (queue_middle_tasks): Fix formatting.
6632         * object.cc (Relobj::is_section_name_included): Likewise.
6633
6634 2009-12-23  Ian Lance Taylor  <iant@google.com>
6635
6636         * i386.cc (Target_i386::do_calls_non_split): Recognize
6637         -fsplit-stack prologue for a function with a static chain.
6638         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6639         -fsplit-stack prologue when using %r11.
6640
6641 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6642
6643         * options.cc (General_options::parse_version): Make -v continue and do
6644         the link like GNU ld does.
6645
6646 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6647
6648         * Makefile.am (CCFILES): Add timer.cc.
6649         (HFILES): Add timer.h.
6650         * configure.ac: Check for sysconf and times.
6651         * main.cc: include timer.h.
6652         (main): Use Timer instead of get_run_time.
6653         * timer.cc: New.
6654         * timer.h: New.
6655         * workqueue.cc: include timer.h.
6656         (Workqueue::find_and_run_task):
6657         Report user, sys and wall time.
6658         * Makefile.in: Regenerate.
6659         * config.in: Regenerate.
6660         * configure: Regenerate.
6661
6662 2009-12-16  Doug Kwan  <dougkwan@google.com>
6663
6664         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6665         sections.
6666         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6667         relaxed input sections.
6668         * output.cc (Output_section::find_relaxed_input_section): Change
6669         return type to Output_relaxed_input_section pointer.  Adjust code
6670         for new type of relaxed_input_section_map_.
6671         * output.h (Output_section::find_relaxed_input_section): Change
6672         return type to Output_relaxed_input_section pointer.
6673         (Output_section::Output_relaxed_input_section_by_input_section_map):
6674         New type.
6675         (Output_section::relaxed_input_section_map_): Change type to
6676         Output_section::Output_relaxed_input_section_by_input_section_map.
6677         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6678         input section.
6679
6680 2009-12-15  Ian Lance Taylor  <iant@google.com>
6681
6682         * layout.cc (Layout::create_shstrtab): Only write out after input
6683         sections if we are compressing debug sections.
6684
6685 2009-12-15  Ian Lance Taylor  <iant@google.com>
6686
6687         * archive.cc (Archive::add_symbols): Only look up a symbol without
6688         a version if there is, in fact, a version.
6689
6690 2009-12-14  Ian Lance Taylor  <iant@google.com>
6691
6692         Revert -Wshadow changes, all changes from:
6693         2009-12-11  Doug Kwan  <dougkwan@google.com>
6694         2009-12-11  Nick Clifton  <nickc@redhat.com>
6695         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6696
6697 2009-12-11  Doug Kwan  <dougkwan@google.com>
6698
6699         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6700         due to -Wshadow.
6701         * attributes.cc (Object_attribute::size): Ditto.
6702         (Attributes_section_data::size): Ditto.
6703         (Attributes_section_data::Attributes_section_data): Ditto.
6704         (Output_attributes_section_data::do_write): Ditto.
6705         * attributes.h (Object_attribute::set_type): Ditto.
6706         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6707
6708 2009-12-11  Nick Clifton  <nickc@redhat.com>
6709
6710         * archive.cc: Fix shadowed variable warnings.
6711         * arm.cc: Likewise.
6712         * compressed_output.cc: Likewise.
6713         * compressed_output.h: Likewise.
6714         * configure: Likewise.
6715         * dwarf_reader.cc: Likewise.
6716         * dynobj.cc: Likewise.
6717         * dynobj.h: Likewise.
6718         * ehframe.cc: Likewise.
6719         * ehframe.h: Likewise.
6720         * errors.cc: Likewise.
6721         * expression.cc: Likewise.
6722         * fileread.cc: Likewise.
6723         * fileread.h: Likewise.
6724         * freebsd.h: Likewise.
6725         * i386.cc: Likewise.
6726         * icf.cc: Likewise.
6727         * incremental.h: Likewise.
6728         * layout.cc: Likewise.
6729         * layout.h: Likewise.
6730         * mapfile.cc: Likewise.
6731         * merge.cc: Likewise.
6732         * merge.h: Likewise.
6733         * object.cc: Likewise.
6734         * object.h: Likewise.
6735         * options.h: Likewise.
6736         * output.cc: Likewise.
6737         * output.h: Likewise.
6738         * parameters.cc: Likewise.
6739         * plugin.cc: Likewise.
6740         * powerpc.cc: Likewise.
6741         * reduced_debug_output.cc: Likewise.
6742         * reduced_debug_output.h: Likewise.
6743         * reloc.cc: Likewise.
6744         * reloc.h: Likewise.
6745         * resolve.cc: Likewise.
6746         * script-sections.cc: Likewise.
6747         * script.cc: Likewise.
6748         * script.h: Likewise.
6749         * sparc.cc: Likewise.
6750         * symtab.cc: Likewise.
6751         * symtab.h: Likewise.
6752         * target-select.cc: Likewise.
6753         * target-select.h: Likewise.
6754         * token.h: Likewise.
6755         * workqueue.cc: Likewise.
6756         * workqueue.h: Likewise.
6757         * x86_64.cc: Likewise.
6758
6759 2009-12-10  Doug Kwan  <dougkwan@google.com>
6760
6761         * arm.cc (attributes.h): New include.
6762         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6763         (Arm_relobj::~Arm_relobj): Delete object pointed by
6764         attributes_section_data_.
6765         (Arm_relobj::attributes_section_data): New method definition.
6766         (Arm_relobj::attributes_section_data_): New data member declaration.
6767         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6768         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6769         attributes_section_data_.
6770         (Arm_dynobj::attributes_section_data): New method definition.
6771         (Arm_dynobj::attributes_section_data_): New data member declaration.
6772         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6773         initialization value of may_use_blx_ to false.
6774         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6775         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6776         object attributes to compute results instead of hard-coding.
6777         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6778         Target_arm::get_secondary_compatible_arch,
6779         Target_arm::set_secondary_compatible_arch
6780         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6781         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6782         New method declarations.
6783         (Target_arm::get_aeabi_object_attribute): New method definition.
6784         (Target_arm::attributes_section_data_): New data member declaration.
6785         (read_arm_attributes_section): New template definition.
6786         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6787         (Arm_dynobj::do_read_symbols): Ditto.
6788         (Target_arm::do_finalize_sections): Merge attributes sections from
6789         input.  Check for BLX use after attributes section merging.
6790         Fix __exidx_start and __exidx_end visibility.  Create an
6791         .ARM.attributes section if necessary.
6792         (Target_arm::get_secondary_compatible_arch,
6793         Target_arm::set_secondary_compatible_arch,
6794         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6795         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6796         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6797         New method definitions.
6798
6799 2009-12-09  Ian Lance Taylor  <iant@google.com>
6800
6801         * plugin.cc (Plugin::load): Don't cast from void* to a function
6802         pointer.
6803
6804 2009-12-09  Ian Lance Taylor  <iant@google.com>
6805
6806         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6807         information fields.
6808
6809 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6810
6811         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6812         Replace two_file_shared_1.so with two_file_shared_2.so.
6813         * testsuite/Makefile.in: Regenerated.
6814
6815 2009-12-08  Doug Kwan  <dougkwan@google.com>
6816
6817         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6818         (HFILES): Add attributes.h and int_encoding.h.
6819         * Makefile.in: Regenerate.
6820         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6821         function definitions to int_encoding.cc
6822         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6823         prototypes to int_encoding.h
6824         * reduced_debug_output.cc (int_encoding.h): New include.
6825         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6826         function definitions to int_encoding.cc
6827         (insert_into_vector, read_from_pointer): Move template definitions to
6828         int_encoding.h
6829         * attributes.cc: New file.
6830         * attributes.h: New file.
6831         * int_encoding.cc: New file.
6832         * int_encoding.h: New file.
6833
6834 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6835
6836         PR gold/11055
6837         * incremental-dump.cc (dump_incremental_inputs): New.
6838         (main): Use dump_incremental_inputs.
6839
6840 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6841
6842         PR gold/10893
6843         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6844         checking elfcpp::STT_FUNC.
6845         (Target_i386::Relocate::relocate): Likewise.
6846         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6847
6848         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6849         symbols from shared libraries into normal FUNC symbols.
6850
6851         * symtab.h (Symbol): Add is_func and use it.
6852
6853 2009-12-05  Doug Kwan  <dougkwan@google.com>
6854
6855         * arm.cc (Target_arm::arm_info): Initialize new fields
6856         attributes_section and attributes_vendor.
6857         * i386.cc (Target_i386::i386_info): Same.
6858         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6859         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6860         fields attributes_section and attributes_vendor.
6861         * sparc.cc (Target_sparc::sparc_info): Same.
6862         * target.h (Target::attributes_section, Target::attributes_vendor,
6863         Target::is_attributes_section, Target::attribute_arg_type,
6864         Target::attributes_order): New method definitions.
6865         (Target::Target_info::attributes_section,
6866         Target::Target_info::attributes_vendor): New fields.
6867         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6868         virtual method definitions.
6869         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6870         attributes_section and attributes_vendor.
6871         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6872
6873 2009-12-05  Doug Kwan  <dougkwan@google.com>
6874
6875         * arm.cc: Update comments about interworking and stub generation.
6876         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6877         considered as non-PIC.
6878         (Arm_relocate_functions::base_abs): Fix formatting.
6879         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6880         of function to use GOT entry address instead of offset.
6881         (Target_arm::Scan::global): Issue an error if a symbol would need a
6882         PLT does not get one because it is untyped.  Remove code to create
6883         dynamic symbols for relative branches.
6884         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6885         takes unsigned integer instead of boolean.
6886
6887 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6888
6889         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6890         (two_file_test_LDADD): Likewise.
6891         (common_test_1_LDADD): Likewise.
6892         (exception_test_LDADD) Likewise.
6893         (weak_test_LDADD): Likewise.
6894         (many_sections_test_LDADD): Likewise.
6895         (initpri1_LDADD): Likewise.
6896         (script_test_1_LDADD): Likewise.
6897         (script_test_2_LDADD): Likewise.
6898         (justsyms_LDADD): Likewise.
6899         (binary_test_LDADD): Likewise.
6900         (large_LDADD): Likewise.
6901         * testsuite/Makefile.in: Regenerated.
6902
6903 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6904
6905         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6906         (Symbol_table::override_with_special): Likewise.
6907         (Symbol_table::add_from_object): Likewise.
6908
6909 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6910
6911         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6912         Don't set the data_offset twice.
6913
6914 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6915
6916         * testsuite/Makefile.in: Regenerate.
6917
6918 2009-12-03  Doug Kwan  <dougkwan@google.com>
6919
6920         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6921         (Target_arm::do_finalize_sections): Add parameter for symbol table
6922         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6923         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6924         parameter for symbol table pointer.
6925         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6926         an additional parameter for a pointer to symbol table.
6927         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6928         parameter for a symbol table pointer.
6929         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6930         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6931         Ditto.
6932         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6933         parameter for a symbol table pointer.
6934
6935 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6936
6937         * incremental.cc (Incremental_inputs_header)
6938         (Incremental_inputs_header_write, Incremental_inputs_entry)
6939         (Incremental_inputs_entry_write): Move ...
6940         * incremental.h (Incremental_inputs_header)
6941         (Incremental_inputs_header_write, Incremental_inputs_entry)
6942         (Incremental_inputs_entry_write): here.
6943
6944 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6945
6946         * incremental.cc (make_sized_incremental_binary): Set the target.
6947         Error if it is incompatible.
6948         * output.h (Output_file): Add filename method.
6949
6950 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6951
6952         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6953         from the get_* methods.
6954
6955 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6956
6957         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6958         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6959         Write 0 for the data_offset of scripts.
6960
6961 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6962
6963         * testsuite/Makefile.am: Add the incremental_test.sh test.
6964         * testsuite/incremental_test.sh: New.
6965         * testsuite/incremental_test_1.c: New.
6966         * testsuite/incremental_test_2.c: New.
6967
6968 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6969
6970        * incremental-dump.cc (main): Fix typos.
6971
6972 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6973
6974         PR gold/11025
6975         * incremental-dump.cc (main): Use llu to print 64 bit values.
6976
6977 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6978             H.J. Lu  <hongjiu.lu@intel.com>
6979
6980         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6981         $(LIBDL).
6982         (incremental_dump_LDADD): Likewise.
6983         * Makefile.in: Regenerated.
6984
6985 2009-11-25  Doug Kwan  <dougkwan@google.com>
6986
6987         Revert:
6988
6989         2009-11-25  Doug Kwan  <dougkwan@google.com>
6990
6991                 * arm.cc (Target_arm::Target_arm): Move method definition
6992                 outside of class definition.  Add code to handle
6993                 --target1-rel, --target1-abs and --target2= options.
6994                 (Target_arm::get_reloc_reloc_type): Change method to be
6995                 non-static and const.
6996                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6997                 New data member declaration.
6998                 (Target_arm::Scan::local, Target_arm::Scan::global,
6999                 Target_arm::Relocate::relocate,
7000                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7001                 Adjust call to Target_arm::get_real_reloc_type.
7002                 (Target_arm::get_real_reloc_type): Use command line options
7003                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7004                 * options.h (--target1-rel, --target1-abs, --target2): New
7005                 ARM-only options.
7006
7007 2009-11-25  Doug Kwan  <dougkwan@google.com>
7008
7009         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7010         class definition.  Add code to handle --target1-rel, --target1-abs
7011         and --target2= options.
7012         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7013         and const.
7014         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7015         member declaration.
7016         (Target_arm::Scan::local, Target_arm::Scan::global,
7017         Target_arm::Relocate::relocate,
7018         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7019         call to Target_arm::get_real_reloc_type.
7020         (Target_arm::get_real_reloc_type): Use command line options to
7021         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7022         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7023         options.
7024
7025 2009-11-25  Doug Kwan  <dougkwan@google.com>
7026
7027         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7028         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7029         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7030         formatting.
7031         (Arm_relocate_functions::thm_call): Replace body with a call to
7032         Arm_relocate_functions::thumb_branch_common.
7033         (Arm_relocate_functions::thm_jump24,
7034         Arm_relocate_functions::thm_xpc22): New method definitions.
7035         (Arm_relocate_functions::thumb_branch_common): New method definition.
7036         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7037         operator.
7038         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7039         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7040
7041 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7042
7043         * Makefile.am: Build incremental-dump
7044         * Makefile.in: Regenerate.
7045         * incremental-dump.cc: New.
7046         * incremental.cc (Incremental_inputs_header_data,
7047         Incremental_inputs_entry_data): Move to incremental.h
7048         * incremental.h: (Incremental_inputs_header_data,
7049         Incremental_inputs_entry_data): Move from incremental.cc
7050
7051 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7052
7053         * incremental.cc (Incremental_inputs_header,
7054         Incremental_inputs_header_write, Incremental_inputs_entry,
7055         Incremental_inputs_entry_write): Add a typedef with the data type.
7056
7057 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7058
7059         * incremental.cc (Incremental_inputs_header,
7060         Incremental_inputs_header_write, Incremental_inputs_entry,
7061         Incremental_inputs_entry_write): Update comment about which
7062         type has the filed descriptions.
7063
7064 2009-11-15  Doug Kwan  <dougkwan@google.com>
7065
7066         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7067         (Arm_relocate_functions::arm_branch_common): Change method defintion
7068         in class definition to a method declaration and update list of formal
7069         parameters.
7070         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7071         Arm_relocation_functions::jump24): Adjust call to
7072         Arm_relocate_functions::arm_branch_common.  Update list of formal
7073         parameters.
7074         (Arm_relocate_functions::xpc25): New method definition.
7075         (Arm_relocate_functions::arm_branch_common): Move method defintion
7076         out from class definition.  Use stubs for mode-switching and extending
7077         branch ranges.
7078         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7079         specially.  Change code to enable use of stubs in ARM branches.
7080
7081 2009-11-10  Doug Kwan  <dougkwan@google.com>
7082
7083         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7084         in method declaration.
7085         (Target_arm::relocate_stub): New method declaration.
7086         (Target_arm::default_target): Change to return a pointer instead of
7087         a const reference.
7088         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7089         Target_arm::default_target.
7090         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7091         method definition.
7092         (Target_arm::relocate_section): Adjust view.
7093         (Target_arm::relocate_stub): New method definition.
7094
7095 2009-11-10  Doug Kwan  <dougkwan@google.com>
7096
7097         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7098         a format warning.
7099         * incremental.cc (open_incremental_binary): Initialized local
7100         variables to avoid warnings.
7101         * object.cc (make_elf_object): Ditto.
7102         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7103         a format warning.
7104
7105 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7106
7107         PR gold/10930
7108         * testsuite/plugin_test.c: Include "config.h".
7109
7110 2009-11-09  Doug Kwan  <dougkwan@google.com>
7111
7112         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7113         (arm_symbol_value): Remove.
7114         (Arm_relocate_functions::arm_branch_common,
7115         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7116         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7117         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7118         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7119         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7120         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7121         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7122         Arm_relocate_functions::thm_mobw_abs_nc,
7123         Arm_relocate_functions::thm_mov_abs,
7124         Arm_relocate_functions::movw_prel_nc,
7125         Arm_relocate_functions::thm_movt_abs,
7126         Arm_relocate_functions::movt_prel,
7127         Arm_relocate_functions::thm_movw_prel_nc,
7128         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7129         (Target_arm::Relocate::relocate): Only decompose address into two
7130         parts if relocation type uses the thumb-bit and pass the actual
7131         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7132         calls to methods in Arm_relocate_functions for this change.
7133
7134 2009-11-08  Ian Lance Taylor  <iant@google.com>
7135
7136         PR 10925
7137         * reloc.cc: Instantiate
7138         Sized_relobj::initialize_input_to_output_maps and
7139         Sized_relobj:free_input_to_output_maps.
7140
7141 2009-11-06  Ian Lance Taylor  <iant@google.com>
7142
7143         PR 10876
7144         * defstd.cc (in_segment): Set only_if_ref true for "end".
7145
7146 2009-11-06  Doug Kwan  <dougkwan@google.com>
7147
7148         * arm.cc (class Reloc_stub): Correct a comment.
7149         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7150         (Target_arm::scan_section_for_stubs): New method declaration.
7151         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7152         Change methods from private to protected.
7153         (Target_arm::do_may_relax): New method definition.
7154         (Target_arm::do_relax, Target_arm::group_sections,
7155         Target_arm::scan_reloc_for_stub,
7156         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7157         (Target_arm::arm_input_section_map_): New data member declaration.
7158         (Target_arm::scan_reloc_for_stub,
7159         Target_arm::scan_reloc_section_for_stubs,
7160         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7161         Target_arm::do_relax): New method definitions.
7162
7163 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7164
7165         * configure.ac: Check for (struct stat)::st_mtim
7166         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7167         * config.in: Regenerate.
7168         * configure: Regenerate.
7169
7170 2009-11-05  Ian Lance Taylor  <iant@google.com>
7171
7172         PR 10910
7173         * output.cc (Output_segment::add_output_section): Add missing
7174         return statement.
7175
7176 2009-11-04  Ian Lance Taylor  <iant@google.com>
7177
7178         PR 10880
7179         * object.h (class Object): Add is_needed and set_is_needed
7180         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7181         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7182         defined in a dynamic object and referenced by a regular object,
7183         set is_needed for the dynamic object.
7184         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7185         if the file is marked with as_needed and it is not needed.
7186
7187 2009-11-04  Ian Lance Taylor  <iant@google.com>
7188
7189         PR 10887
7190         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7191         tags if data is discarded by linker script.
7192         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7193         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7194         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7195         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7196
7197 2009-11-04  Ian Lance Taylor  <iant@google.com>
7198
7199         * layout.cc (Layout::get_output_section): Add is_interp and
7200         is_dynamic_linker_section parameters.  Change all callers.
7201         (Layout::choose_output_section): Likewise.
7202         (Layout::make_output_section): Likewise.
7203         (Layout::add_output_section_data): Add is_dynamic_linker_section
7204         parameter.  Change all callers.
7205         * layout.h (class Layout): Update declarations.
7206         * output.h (class Output_section): Add is_interp, set_is_interp,
7207         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7208         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7209         generate_code_fills_at_write_ to a bitfield.
7210         * output.cc (Output_section::Output_sections): Initialize new
7211         fields.
7212         (Output_segment::add_output_section): Add do_sort parameter.
7213         Change all callers.
7214
7215 2009-11-03  Ian Lance Taylor  <iant@google.com>
7216
7217         PR 10860
7218         * options.h (class General_options): Add --warn-common.
7219         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7220         merging two common symbols.
7221         (Symbol_table::should_override): Handle --warn-common when merging
7222         a common symbol with a defined symbol.  Use report_resolve_problem
7223         for multiple definitions.
7224         (Symbol_table::report_resolve_problem): New function.
7225         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7226
7227 2009-11-03  Doug Kwan  <dougkwan@google.com>
7228
7229         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7230         stub_factory_.
7231         (Target_arm::stub_factory): New method definition.
7232         (Target_arm::new_arm_input_section,
7233         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7234         Target_arm::reloc_uses_thumb_bit): New method declarations.
7235         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7236         New type definitions.
7237         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7238         member declarations.
7239         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7240         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7241         New method definitions.
7242
7243 2009-11-03  Ian Lance Taylor  <iant@google.com>
7244
7245         * options.h (class General_options): Add --warn_constructors.
7246
7247 2009-11-03  Ian Lance Taylor  <iant@google.com>
7248
7249         PR 10893
7250         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7251         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7252
7253 2009-11-03  Ian Lance Taylor  <iant@google.com>
7254
7255         PR 10895
7256         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7257         --msgid-bugs-address.
7258         (install-pdf): New target.
7259         (install-data_yes): Look up one directory to find mkinstalldirs.
7260
7261 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7262
7263         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7264         tree.
7265
7266 2009-10-30  Doug Kwan  <dougkwan@google.com>
7267
7268         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7269
7270 2009-10-30  Doug Kwan  <dougkwan@google.com>
7271
7272         * arm.cc (Stub_addend_reader): New struct template definition
7273         and partial specializations.
7274         (Stub_addend_reader::operator()): New method definition for a
7275         partially specialized template.
7276
7277 2009-10-30  Doug Kwan  <dougkwan@google.com>
7278
7279         * arm.cc (Arm_relobj::processor_specific_flags): New method
7280         definition.
7281         (Arm_relobj::do_read_symbols): New method declaration.
7282         (Arm_relobj::processor_specific_flags_): New data member declaration.
7283         (Arm_dynobj): New class definition.
7284         (Target_arm::do_finalize_sections): Add input_objects parameter.
7285         (Target_arm::do_adjust_elf_header): New method declaration.
7286         (Target_arm::are_eabi_versions_compatible,
7287         (Target_arm::merge_processor_specific_flags): New method declaration.
7288         (Target_arm::do_make_elf_object): New overloaded method definitions
7289         and declaration.
7290         (Arm_relobj::do_read_symbols): New method definition.
7291         (Arm_dynobj::do_read_symbols): Ditto.
7292         (Target_arm::do_finalize_sections): Add input_objects parameters.
7293         Merge processor-specific flags from all input objects.
7294         (Target_arm::are_eabi_versions_compatible,
7295         Target_arm::merge_processor_specific_flags,
7296         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7297         New method definitions.
7298         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7299         Input_objects pointer type parameter.
7300         * layout.cc (Layout::finalize): Pass input objects to target's.
7301         finalize_sections function.
7302         * output.cc (Output_file_header::do_sized_write): Set ELF file
7303         header's processor-specific flags.
7304         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7305         Input_objects pointer type parameter.
7306         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7307         * target.h (Input_objects): New forward class declaration.
7308         (Target::processor_specific_flags,
7309         Target::are_processor_specific_flags_sect): New method definitions.
7310         (Target::finalize_sections): Add input_objects parameter.
7311         (Target::Target): Initialize processor_specific_flags_ and
7312         are_processor_specific_flags_set_.
7313         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7314         parameter.
7315         (Target::set_processor_specific_flags): New method definition.
7316         (Target::processor_specific_flags_,
7317         Target::are_processor_specific_flags_set_): New data member
7318         declarations.
7319         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7320         Input_objects pointer type parameter.
7321
7322 2009-10-30  Doug Kwan  <dougkwan@google.com>
7323
7324         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7325
7326 2009-10-28  Ian Lance Taylor  <iant@google.com>
7327
7328         * object.h (class Relobj): Drop options parameter from
7329         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7330         do_scan_relocs, do_relocate.  Change all callers.
7331         (class Sized_relobj): Drop options parameters from
7332         do_gc_process_relocs, do_scan_relocs, do_relocate,
7333         do_relocate_sections, relocate_sections, emit_relocs_scan,
7334         emit_relocs_scan_reltype.  Change all callers.
7335         (struct Relocate_info): Remove options field and all references to
7336         it.
7337         * reloc.h (class Read_relocs): Remove options constructor
7338         parameter and options_ field.  Change all callers.
7339         (class Gc_process_relocs, class Scan_relocs): Likewise.
7340         (class Relocate_task): Likewise.
7341         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7342         all callers.
7343         (scan_relocatable_relocs): Likewise.
7344         * target.h (class Sized_target): Remove options parameter from
7345         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7346         all callers.
7347         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7348         callers.
7349         * arm.cc: Update functions to remove options parameters.
7350         * i386.cc: Likewise.
7351         * powerpc.cc: Likewise.
7352         * sparc.cc: Likewise.
7353         * x86_64.cc: Likewise.
7354         * testsuite/testfile.cc: Likewise.
7355
7356 2009-10-28  Doug Kwan  <dougkwan@google.com>
7357
7358         * arm.cc (Arm_relobj): New class definition.
7359         (Arm_relobj::scan_sections_for_stubs,
7360         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7361         New method definitions.
7362
7363 2009-10-28  Cary Coutant  <ccoutant@google.com>
7364
7365         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7366         (Plugin::cleanup_done_): New member.
7367         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7368         (Plugin_manager::cleanup_done_): Remove.
7369         (Plugin_manager::add_input_file): Edit error message.
7370         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7371         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7372
7373 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7374
7375         * fileread.cc: (File_read::View::~View): Use the new
7376         data_ownership_ filed.
7377         (File_read::~File_read): Dispose the new whole_file_view_.
7378         (File_read::open): Mmap the whole file if needed.
7379         (File_read::open): Use whole_file_view_ instead of contents_.
7380         (File_read::find_view): Use whole_file_view_ if applicable.
7381         (File_read::do_read): Use whole_file_view_ instead of contents_.
7382         (File_read::make_view): Use whole_file_view_ instead of contents_,
7383         update File_read::View::View call.
7384         (File_read::find_or_make_view): Update File_read::View::View
7385         call.
7386         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7387         remove contents_
7388         (File_read::View::Data_ownership): New enum.
7389         (File_read::View::View): Replace bool mapped_ with Data_ownership
7390         argument.
7391         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7392         (File_read::View::data_ownership_): New field.
7393         (File_read::contents_): Remove (replaced by whole_file_view_).
7394         (File_read::whole_file_view_): New field.
7395         * options.h (class General_options): Add --keep-files-mapped.
7396
7397 2009-10-27  Cary Coutant  <ccoutant@google.com>
7398
7399         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7400         * testsuite/Makefile.am (plugin_test_5): New test case.
7401         * testsuite/Makefile.in: Regenerate.
7402
7403 2009-10-25  Doug Kwan  <dougkwan@google.com>
7404
7405         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7406         from private to protected to allow access by child class.
7407         (Sized_relobj::do_relocate_sections): New method declaration.
7408         (Sized_relobj::relocate_sections): Virtualize.
7409         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7410         Sized_relobj::relocate_sections.  Instantiate template explicitly
7411         for different target sizes and endianity.
7412
7413 2009-10-24  Doug Kwan  <dougkwan@google.com>
7414
7415         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7416         (Arm_input_section::as_arm_input_section): New method.
7417         (Arm_output_section): New class definition.
7418         (Arm_output_section::create_stub_group,
7419         Arm_output_section::group_sections): New method definitions.
7420
7421 2009-10-22  Doug Kwan  <dougkwan@google.com>
7422
7423         * arm.cc (Arm_input_section): New class definition.
7424         (Arm_input_section::init, Arm_input_section:do_write,
7425         Arm_input_section::set_final_data_size,
7426         Arm_input_section::do_reset_address_and_file_offset): New method
7427         definitions.
7428
7429 2009-10-21  Doug Kwan  <dougkwan@google.com>
7430
7431         * arm.cc (Stub_table, Arm_input_section): New forward class
7432         declarations.
7433         (Stub_table): New class defintion.
7434         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7435         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7436         New method definition.
7437
7438 2009-10-21  Doug Kwan  <dougkwan@google.com>
7439
7440         * arm.cc: Update copyright comments.
7441         (Target_arm): New forward class template declaration.
7442         (Arm_address): New type.
7443         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7444         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7445         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7446         constants.
7447         (Insn_template): Same.
7448         (DEF_STUBS): New macro.
7449         (Stub_type): New enum type.
7450         (Stub_template): New class definition.
7451         (Stub): Same.
7452         (Reloc_stub): Same.
7453         (Stub_factory): Same.
7454         (Target_arm::Target_arm): Initialize may_use_blx_ and
7455         should_force_pic_veneer_.
7456         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7457         Target_arm::should_force_pic_veneer,
7458         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7459         Target_arm::using_thumb_only, Target_arm:;default_target): New
7460         method defintions.
7461         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7462         New data member declarations.
7463         (Insn_template::size, Insn_template::alignment): New method defintions.
7464         (Stub_template::Stub_template): New method definition.
7465         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7466         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7467         (Stub_factory::Stub_factory): New method definition.
7468         * gold.h (string_hash): New template.
7469         * output.h (Input_section_specifier::hash_value): Use
7470         gold::string_hash.
7471         (Input_section_specifier::string_hash): Remove.
7472         * stringpool.cc (Stringpool_template::string_hash): Use
7473         gold::string_hash.
7474
7475 2009-10-20  Doug Kwan  <dougkwan@google.com>
7476
7477         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7478         symbols of relaxed input sections.
7479         * output.h (Output_section::find_relaxed_input_section): Make
7480         method public.
7481
7482 2009-10-16  Doug Kwan  <dougkwan@google.com>
7483
7484         * dynobj.cc (Versions::Versions): Initialize version_script_.
7485         Only insert base version symbol definition for a shared object
7486         if version script defines any version versions.
7487         (Versions::define_base_version): New method definition.
7488         (Versions::add_def): Check that base version is not needed.
7489         (Versions::add_need): Define base version lazily.
7490         * dynobj.h (Versions::define_base_version): New method declaration.
7491         (Versions::needs_base_version_): New data member declaration.
7492         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7493         (check_DATA): Add no_version_test.stdout.
7494         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7495         New make rules.
7496         * testsuite/Makefile.in: Regenerate.
7497         * testsuite/no_version_test.c: New file.
7498         * testsuite/no_version_test.sh: Ditto.
7499
7500 2009-10-16  Doug Kwan  <dougkwan@google.com>
7501
7502         * expression.cc (class Segment_start_expression): New class definition.
7503         (Segment_start_expression::value): New method definition.
7504         (script_exp_function_segment_start): Return a new
7505         Segment_start_expression.
7506         * gold/script-c.h (script_saw_segment_start_expression): New function
7507         prototype.
7508         * script-sections.cc (Script_sections::Script_sections): Initialize
7509         SAW_SEGMENT_START_EXPRESSION_ to false.
7510         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7511         and -Tbbs options to specify section addresses if given in
7512         command line and no SEGMENT_START expression is seen in a script.
7513         * script-sections.h (Script_sections::saw_segment_start_expression,
7514         Script_sections::set_saw_segment_start_expression): New method
7515         definition.
7516         (Script_sections::saw_segment_start_expression_): New data member
7517         declaration.
7518         * script.cc (script_saw_segment_start_expression): New function.
7519         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7520         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7521         script_test_7.sh and script_test_8.sh.
7522         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7523         script_test_8.stdout.
7524         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7525         (script_test_6, script_test_6.stdout, script_test_7,
7526         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7527         * Makefile.in: Regenerate.
7528         * testsuite/script_test_6.sh: New file.
7529         * testsuite/script_test_6.t: Same.
7530         * testsuite/script_test_7.sh: Same.
7531         * testsuite/script_test_7.t: Same.
7532         * testsuite/script_test_8.sh: Same.
7533
7534 2009-10-16  Doug Kwan  <dougkwan@google.com>
7535
7536         * output.cc (Output_segment::set_section_list_address): Cast
7537         expressions to unsigned long long type to avoid format warnings.
7538
7539 2009-10-15  Ian Lance Taylor  <iant@google.com>
7540
7541         * script.cc (Script_options::add_symbol_assignment): Always add a
7542         dot assignment to script_sections_.
7543         * script-sections.cc (Script_sections::add_dot_assignment):
7544         Initialize if necessary.
7545
7546         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7547         program headers with no load segment if there is a linker script.
7548
7549         * layout.cc (Layout::set_segment_offsets): Align the file offset
7550         to the segment aligment for -N or -n with no load segment.
7551         * output.cc (Output_segment::add_output_section): Don't crash if
7552         the first section is a TLS section.
7553         (Output_segment::set_section_list_addresses): Print an error
7554         message if the address moves backward in a linker script.
7555         * script-sections.cc
7556         (Output_section_element_input::set_section_addresses): Don't
7557         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7558         (Orphan_output_section::set_section_addresses): Likewise.
7559
7560 2009-10-15  Doug Kwan  <dougkwan@google.com>
7561
7562         * layout.cc (Layout::finish_dynamic_section): Generate tags
7563         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7564         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7565         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7566
7567 2009-10-14  Ian Lance Taylor  <iant@google.com>
7568
7569         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7570         fields.
7571         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7572         data_shdr fields of relinfo.
7573         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7574         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7575         R_386_TLS_LDO_32, adjust based on section flags.
7576         (Target_i386::Relocate::fix_up_ldo): Remove.
7577
7578 2009-10-13  Ian Lance Taylor  <iant@google.com>
7579
7580         Add support for -pie.
7581         * options.h (class General_options): Add -pie and
7582         --pic-executable.
7583         (General_options::output_is_position_independent): Test -pie.
7584         (General_options::output_is_executable): Return true if not shared
7585         and not relocatable.
7586         (General_options::output_is_pie): Remove.
7587         * options.cc (General_options::finalize): Reject incompatible uses
7588         of -pie.
7589         * gold.cc (queue_middle_tasks): A -pie link is not static.
7590         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7591         * symtab.cc (Symbol::final_value_is_known): Return false if
7592         output_is_position_independent.
7593         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7594         output_is_position_independent.
7595         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7596         output_is_position_independent.
7597         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7598         output_is_position_independent.
7599         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7600         two_file_pie_test.
7601         (basic_pie_test.o, basic_pie_test): New targets.
7602         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7603         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7604         (two_file_pie_test): New target.
7605         * testsuite/Makefile.in: Rebuild.
7606         * README: Remove note saying that -pie is not supported.
7607
7608 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7609
7610         * options.h (class General_options): Add -init and -fini.
7611         * layout.cc (Layout::finish_dynamic_section): Emit
7612         given init and fini functions.
7613
7614 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7615
7616         * gc.h (gc_process_relocs): Check if icf is enabled using new
7617         function.
7618         * gold.cc (queue_initial_tasks): Likewise.
7619         (queue_middle_tasks): Likewise.
7620         * object.cc (do_layout): Likewise.
7621         * symtab.cc (is_section_folded): Likewise.
7622         * main.cc (main): Likewise.
7623         * reloc.cc (Read_relocs::run): Likewise.
7624         (Sized_relobj::do_scan_relocs): Likewise.
7625         * icf.cc (is_function_ctor_or_dtor): New function.
7626         (Icf::find_identical_sections): Check if function is ctor or dtor when
7627         safe icf is chosen.
7628         * options.h (General_options::icf): Change option to be an enum.
7629         (Icf_status): New enum.
7630         (icf_enabled): New method.
7631         (icf_safe_folding): New method.
7632         (set_icf_status): New method.
7633         (icf_status_): New variable.
7634         * (options.cc) (General_options::finalize): Set icf_status_.
7635         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7636         icf_test and icf_keep_unique_test to use the --icf enum flag.
7637         * testsuite/icf_safe_test.sh: New file.
7638         * testsuite/icf_safe_test.cc: New file.
7639
7640 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7641
7642         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7643         includes to gc.h and icf.h.
7644         * arm.cc: Include gc.h.
7645         * gold.cc: Likewise.
7646         * i386.cc: Likewise.
7647         * powerpc.cc: Likewise.
7648         * sparc.cc: Likewise.
7649         * x86_64.cc: Likewise.
7650         * gc.h: Include icf.h.
7651
7652 2009-10-11  Ian Lance Taylor  <iant@google.com>
7653
7654         * plugin.cc: Include "gold.h" before other header files.
7655
7656 2009-10-10  Chris Demetriou  <cgd@google.com>
7657
7658         * options.h (Input_file_argument::Input_file_type): New enum.
7659         (Input_file_argument::is_lib_): Replace with...
7660         (Input_file_argument::type_): New member.
7661         (Input_file_argument::Input_file_argument): Take Input_file_type
7662         'type' rather than boolean 'is_lib' as second argument.
7663         (Input_file_argument::is_lib): Use type_.
7664         (Input_file_argument::is_searched_file): New function.
7665         (Input_file_argument::may_need_search): Handle is_searched_file.
7666         * options.cc (General_options::parse_library): Support -l:filename.
7667         (General_options::parse_just_symbols): Update for Input_file_argument
7668         changes.
7669         (Command_line::process): Likewise.
7670         * archive.cc (Archive::get_file_and_offset): Likewise.
7671         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7672         * script.cc (read_script_file, script_add_file): Likewise.
7673         * fileread.cc (Input_file::Input_file): Likewise.
7674         (Input_file::will_search_for): Handle is_searched_file.
7675         (Input_file::open): Likewise.
7676         * readsyms.cc (Read_symbols::get_name): Likewise.
7677         * testsuite/Makefile.am (searched_file_test): New test.
7678         * testsuite/Makefile.in: Regenerate.
7679         * testsuite/searched_file_test.cc: New file.
7680         * testsuite/searched_file_test_lib.cc: New file.
7681
7682 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7683             Ian Lance Taylor  <iant@google.com>
7684
7685         * descriptor.cc: Include <cstdio> and "binary-io.h".
7686         (Descriptors::open): Open the files in binary mode always.
7687         * script.cc (Lex::get_token): Treat \r as whitespace.
7688
7689 2009-10-09  Ian Lance Taylor  <iant@google.com>
7690
7691         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7692
7693 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7694             Ian Lance Taylor  <iant@google.com>
7695
7696         * configure.ac: Check for readv function also.
7697         * fileread.cc (readv): Define if not HAVE_READV.
7698         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7699         does not exist.
7700         * config.in: Regenerate.
7701         * configure: Regenerate.
7702
7703 2009-10-09  Doug Kwan  <dougkwan@google.com>
7704
7705         * layout.cc (Layout::make_output_section): Call target hook to make
7706         ordinary output section.
7707         (Layout::finalize): Adjust parameter list of call the
7708         Target::may_relax().
7709         * layout.h (class Layout::section_list): New method.
7710         * merge.h (Output_merge_base::entsize): Change visibility to public.
7711         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7712         New methods.
7713         (Output_merge_string::do_is_string): New method.
7714         * object.cc (Sized_relobj::do_setup): renamed from
7715         Sized_relobj::set_up.
7716         * object.h (Sized_relobj::adjust_shndx,
7717         Sized_relobj::initializ_input_to_output_maps,
7718         Sized_relobj::free_input_to_output_maps): Change visibilities to
7719         protected.
7720         (Sized_relobj::setup): Virtualize.
7721         (Sized_relobj::do_setup): New method declaration.
7722         (Sized_relobj::invalidate_section_offset,
7723         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7724         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7725         * options.cc (parse_int): New function.
7726         * options.h (parse_int): New declaration.
7727         (DEFINE_int): New macro.
7728         (stub_group_size): New option.
7729         * output.cc (Output_section::Output_section): Initialize memebers
7730         merge_section_map_, merge_section_by_properties_map_,
7731         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7732         (Output_section::add_input_section): Handled deferred code-fill
7733         generation and remove an old comment.
7734         (Output_section::add_relaxed_input_section): New method definition.
7735         (Output_section::add_merge_input_section): Use merge section by
7736         properties map to speed to search.  Update merge section maps
7737         as appropriate.
7738         (Output_section::build_relaxation_map): New method definition.
7739         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7740         Same.
7741         (Output_section::relax_input_section): Renamed to
7742         Output_section::convert_input_sections_to_relaxed_sections and change
7743         interface to take a vector of pointers to relaxed sections.
7744         (Output_section::find_merge_section,
7745         Output_section::find_relaxed_input_section): New method definitions.
7746         (Output_section::is_input_address_mapped,
7747         Output_section::output_offset, Output_section::output_address):
7748         Use output section data maps to speed up searching.
7749         (Output_section::find_starting_output_address): Add comments.
7750         (Output_section::do_write,
7751         Output_section::write_to_postprocessing_buffer): Do code-fill
7752         generation as appropriate.
7753         (Output_section::get_input_sections): Invalidate relaxed input section
7754         map.
7755         (Output_section::restore_states): Adjust type of checkpoint .
7756         Invalidate relaxed input section map.
7757         * output.h (Output_merge_base): New class declaration.
7758         (Input_section_specifier): New class defintion.
7759         (class Output_relaxed_input_section) Change base class to
7760         Output_section_data_build.
7761         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7762         base class initializer.
7763         (Output_section::add_relaxed_input_section): New method declaration.
7764         (Output_section::Input_section): Change visibility to protected.
7765         (Output_section::Input_section::relobj,
7766         Output_section::Input_section::shndx): Handle relaxed input sections.
7767         Output_section::input_sections) Change visibility to protected.  Also
7768         define overload to return a non-const pointer.
7769         (Output_section::Merge_section_properties): New class defintion.
7770         (Output_section::Merge_section_by_properties_map,
7771         Output_section::Output_section_data_by_input_section_map,
7772         Output_section::Relaxation_map): New types.
7773         (Output_section::relax_input_section): Rename method to
7774         Output_section::convert_input_sections_to_relaxed_sections and change
7775         interface to take a vector of relaxed section pointers.
7776         (Output_section::find_merge_section,
7777         Output_section::find_relaxed_input_section,
7778         Output_section::build_relaxation_map,
7779         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7780         New method declarations.
7781         (Output_section::merge_section_map_
7782         Output_section::merge_section_by_properties_map_,
7783         Output_section::relaxed_input_section_map_,
7784         Output_section::is_relaxed_input_section_map_valid_,
7785         Output_section::generate_code_fills_at_write_): New data members.
7786         * script-sections.cc
7787         (Output_section_element_input::set_section_addresses): Call
7788         current_data_size and addralign methods of relaxed input sections.
7789         (Orphan_output_section::set_section_addresses): Call current_data_size
7790         and addralign methods of relaxed input sections.
7791         * symtab.cc (Symbol_table::compute_final_value): Extract template
7792         from the body of Symbol_table::sized_finalize_symbol.
7793         (Symbol_table::sized_finalized_symbol): Call
7794         Symbol_table::compute_final_value.
7795         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7796         (Symbol_table::compute_final_value): New templated method declaration.
7797         * target.cc (Target::do_make_output_section): New method defintion.
7798         * target.h (Target::make_output_section): New method declaration.
7799         (Target::relax): Add more parameters for input objects, symbol table
7800         and layout.  Adjust call to do_relax.
7801         (Target::do_make_output_section): New method declaration.
7802         (Target::do_relax): Add parameters for input objects, symbol table
7803         and layout.
7804
7805 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7806
7807         * pread.c: Include stdio.h.
7808
7809 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7810
7811         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7812         defined.
7813
7814 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7815
7816         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7817         Change read_shndx type to unsigned int.
7818         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7819         int.
7820         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7821         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7822         Change read_shndx type to unsigned int.
7823         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7824         int.
7825         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7826         * layout.cc (Layout::create_symtab_sections): Cast the result of
7827         local_symcount * symsize to off_t in the gold_assert.
7828
7829 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7830
7831         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7832         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7833         R_ARM_BASE_ABS.
7834         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7835         (Arm_relocate_functions::thm_abs5): New function.
7836         (Arm_relocate_functions::abs12): New function.
7837         (Arm_relocate_functions::abs16): New function.
7838         (Arm_relocate_functions::base_abs): New function.
7839         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7840         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7841         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7842         R_ARM_BASE_ABS.
7843         (Scan::global): Likewise.
7844         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7845         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7846         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7847         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7848         R_ARM_BASE_ABS.
7849
7850 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7851
7852         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7853         (Arm_relocate_functions::movt_prel): New function.
7854         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7855         (Arm_relocate_functions::thm_movt_prel): New function.
7856         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7857         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7858         (Scan::global, Relocate::relocate): Likewise.
7859         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7860
7861 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7862
7863         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7864         Incremental_checker.
7865         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7866         unsigned int.
7867         (class Incremental_inputs_header): New class.
7868         (Incremental_inputs_header_writer): Edit comment.
7869         (Incremental_inputs_entry): New class.
7870         (Incremental_inputs_entry_writer): Edit comment.
7871         (Sized_incremental_binary::do_find_incremental_inputs_section):
7872         Add *strtab_shndx parameter, fill it.
7873         (Sized_incremental_binary::do_check_inputs): New method.
7874         (Incremental_checker::can_incrementally_link_output_file): Use
7875         Sized_incremental_binary::check_inputs.
7876         (Incremental_inputs::report_command_line): Save command line in
7877         command_line_.
7878         * incremental.h:
7879         (Incremental_binary::find_incremental_inputs_section): New
7880         method.
7881         (Incremental_binary::do_find_incremental_inputs_section): Add
7882         strtab_shndx parameter.
7883         (Incremental_binary::do_check_inputs): New pure virtual method.
7884         (Sized_incremental_binary::do_check_inputs): Declare.
7885         (Incremental_checker::Incremental_checker): Add incremental_inputs
7886         parameter, use it to initialize incremental_inputs_.
7887         (Incremental_checker::incremental_inputs_): New field.
7888         (Incremental_checker::command_line): New method.
7889         (Incremental_checker::inputs): New method.
7890         (Incremental_checker::command_line_): New field.
7891
7892 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7893
7894         * incremental.cc: Include <cstdarg> and "target-select.h".
7895         (vexplain_no_incremental): New function.
7896         (explain_no_incremental): New function.
7897         (Incremental_binary::error): New method.
7898         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7899         method.
7900         (make_sized_incremental_binary): New function.
7901         (open_incremental_binary): New function.
7902         (can_incrementally_link_file): Add checks if output is ELF and has
7903         inputs section.
7904         * incremental.h: Include "elfcpp_file.h" and "output.h".
7905         (Incremental_binary): New class.
7906         (Sized_incremental_binary): New class.
7907         (open_incremental_binary): Declare.
7908         * object.cc (is_elf_object): Use
7909         elfcpp::Elf_recognizer::is_elf_file.
7910         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7911         * output.h (Output_file::filesize): New method.
7912
7913 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7914
7915         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7916         New function.
7917         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7918         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7919         function.
7920         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7921         function.
7922         (Arm_relocate_functions::movw_abs_nc): New function.
7923         (Arm_relocate_functions::movt_abs): New function.
7924         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7925         (Arm_relocate_functions::thm_movt_abs): New function.
7926         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7927         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7928         (Scan::global): Likewise.
7929         (Relocate::relocate): Likewise.
7930         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7931
7932 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7933
7934         * arm.cc (Arm_relocate_functions::got_prel) New function.
7935         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7936         (Relocate::relocate): Likewise.
7937         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7938
7939 2009-10-06  Ian Lance Taylor  <iant@google.com>
7940
7941         * options.h (class General_options): Define
7942         split_stack_adjust_size parameter.
7943         * object.h (class Object): Add uses_split_stack_ and
7944         has_no_split_stack_ fields.  Add uses_split_stack and
7945         has_no_split_stack accessor functions.  Declare
7946         handle_split_stack_section.
7947         (class Reloc_symbol_changes): Define.
7948         (class Sized_relobj): Define Function_offsets.  Declare
7949         split_stack_adjust, split_stack_adjust_reltype, and
7950         find_functions.
7951         * object.cc (Object::handle_split_stack_section): New function.
7952         (Sized_relobj::do_layout): Call handle_split_stack_section.
7953         * dynobj.cc (Sized_dynobj::do_layout): Call
7954         handle_split_stack_section.
7955         * reloc.cc (Sized_relobj::relocate_sections): Call
7956         split_stack_adjust for executable sections in split_stack
7957         objects.  Pass reloc_map to relocate_section.
7958         (Sized_relobj::split_stack_adjust): New function.
7959         (Sized_relobj::split_stack_adjust_reltype): New function.
7960         (Sized_relobj::find_functions): New function.
7961         * target-reloc.h: Include "object.h".
7962         (relocate_section): Add reloc_symbol_changes parameter.  Change
7963         all callers.
7964         * target.h (class Target): Add calls_non_split method.  Declare
7965         do_calls_non_split virtual method.  Declare match_view and
7966         set_view_to_nop.
7967         * target.cc: Include "elfcpp.h".
7968         (Target::do_calls_non_split): New function.
7969         (Target::match_view): New function.
7970         (Target::set_view_to_nop): New function.
7971         * gold.cc (queue_middle_tasks): Give an error if mixing
7972         split-stack and non-split-stack objects with -r.
7973         * i386.cc (Target_i386::relocate_section): Add
7974         reloc_symbol_changes parameter.
7975         (Target_i386::do_calls_non_split): New function.
7976         * x86_64.cc (Target_x86_64::relocate_section): Add
7977         reloc_symbol_changes parameter.
7978         (Target_x86_64::do_calls_non_split): New function.
7979         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7980         parameter.
7981         * powerpc.cc (Target_powerpc::relocate_section): Add
7982         reloc_symbol_changes parameter.
7983         * sparc.cc (Target_sparc::relocate_section): Add
7984         reloc_symbol_changes parameter.
7985         * configure.ac: Call AM_CONDITIONAL for the default target.
7986         * configure: Rebuild.
7987         * testsuite/Makefile.am (TEST_AS): New variable.
7988         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7989         (check_DATA): Add split_i386 and split_x86_64 files.
7990         (SPLIT_DEFSYMS): Define.
7991         (split_i386_[1234n].o): New targets.
7992         (split_i386_[124]): New targets.
7993         (split_i386_[1234r].stdout): New targets.
7994         (split_x86_64_[1234n].o): New targets.
7995         (split_x86_64_[124]): New targets.
7996         (split_x86_64_[1234r].stdout): New targets.
7997         (MOSTLYCLEANFILES): Add new executables.
7998         * testsuite/split_i386.sh: New file.
7999         * testsuite/split_x86_64.sh: New file.
8000         * testsuite/split_i386_1.s: New file.
8001         * testsuite/split_i386_2.s: New file.
8002         * testsuite/split_i386_3.s: New file.
8003         * testsuite/split_i386_4.s: New file.
8004         * testsuite/split_i386_n.s: New file.
8005         * testsuite/split_x86_64_1.s: New file.
8006         * testsuite/split_x86_64_2.s: New file.
8007         * testsuite/split_x86_64_3.s: New file.
8008         * testsuite/split_x86_64_4.s: New file.
8009         * testsuite/split_x86_64_n.s: New file.
8010         * testsuite/testfile.cc (Target_test): Update relocation_section
8011         function.
8012         * testsuite/Makefile.in: Rebuild.
8013
8014 2009-10-06  Ian Lance Taylor  <iant@google.com>
8015
8016         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8017         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8018         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8019         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8020         the address on ldo_addrs_.
8021         (Target_i386::Relocate::fix_up_ldo): New function.
8022
8023 2009-10-06   Rafael Espindola  <espindola@google.com>
8024
8025         * plugin.cc (add_input_library): New.
8026         (Plugin::load): Add add_input_library to tv.
8027         (Plugin_manager::add_input_file): Add the is_lib argument.
8028         (add_input_file): Update call to Plugin_manager::add_input_file.
8029         (add_input_library): New.
8030         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8031
8032 2009-09-30  Doug Kwan  <dougkwan@google.com>
8033
8034         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8035         symbol and call Symbol::may_need_copy_reloc to determine if
8036         a copy reloc is needed.
8037         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8038         nocopyreloc is given in command line.
8039         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8040         given in command line.
8041         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8042         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8043         of the removed Target_i386::may_need_copy_reloc.
8044         * options.h (copyreloc): New option with default value false.
8045         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8046         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8047         instead of the removed Target_powerpc::may_need_copy_reloc.
8048         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8049         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8050         instead of the removed Target_sparc::may_need_copy_reloc.
8051         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8052         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8053         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8054         instead of the removed Target_x86_64::may_need_copy_reloc.
8055
8056 2009-09-30  Ian Lance Taylor  <iant@google.com>
8057
8058         * object.h (class Object): Remove target_ field, and target,
8059         sized_target, and set_target methods.
8060         (Object::sized_target): Remove.
8061         (class Sized_relobj): Update declarations.  Remove sized_target.
8062         * object.cc (Sized_relobj::setup): Remove target parameter.
8063         Change all callers.
8064         (Input_objects::add_object): Don't do anything with the target.
8065         (make_elf_sized_object): Add punconfigured parameter.  Change all
8066         callers.  Set or test parameter target.
8067         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8068         Change all callers.
8069         * parameters.cc (Parameters::set_target): Change parameter type to
8070         be non-const.
8071         (Parameters::default_target): Remove.
8072         (set_parameters_target): Change parameter type to be non-const.
8073         (parameters_force_valid_target): New function.
8074         (parameters_clear_target): New function.
8075         * parameters.h (class Parameters): Update declarations.  Remove
8076         default_target method.  Add sized_target and clear_target
8077         methods.  Change target_ to be non-const.
8078         (set_parameters_target): Update declaration.
8079         (parameters_force_valid_target): Declare.
8080         (parameters_clear_target): Declare.
8081         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8082         as NULL if we aren't searching.
8083         (Add_symbols::run): Don't check for compatible target.
8084         * fileread.cc (Input_file::open_binary): Call
8085         parameters_force_valid_target.
8086         * gold.cc (queue_middle_tasks): Likewise.
8087         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8088         set_target on object.
8089         * dynobj.h (class Sized_dynobj): Update declarations.
8090         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8091         make_elf_object returns NULL.
8092         (Archive::include_member): Don't check whether object target is
8093         compatible.
8094         * output.cc (Output_section::add_input_section): Get target from
8095         parameters.
8096         (Output_section::relax_input_section): Likewise.
8097         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8098         parameters.
8099         (Sized_relobj::do_scan_relocs): Likewise.
8100         (Sized_relobj::relocate_sections): Likewise.
8101         * resolve.cc (Symbol_table::resolve): Likewise.
8102         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8103         parameter.  Change all callers.
8104         (Symbol_table::add_from_object): Get target from parameters.
8105         (Symbol_table::add_from_relobj): Don't check object target.
8106         (Symbol_table::add_from_dynobj): Likewise.
8107         (Symbol_table::define_special_symbol): Get target from
8108         parameters.
8109         * symtab.h (class Symbol_table): Update declaration.
8110         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8111         parameter.  Change all callers.  Clear parameter target.
8112         (Binary_test): Test target here.
8113         * testsuite/object_unittest.cc (gold_testsuite): Remove
8114         target_test_pointer parameter.  Change all callers.
8115         (Object_test): Test target here.
8116
8117 2009-09-26  Ian Lance Taylor  <iant@google.com>
8118
8119         * testsuite/initpri1.c: Don't try to use constructor priorities if
8120         compiling with gcc before 4.3.
8121
8122 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8123
8124         * testsuite/retain_symbols_file_test.sh (check_present): Change
8125         output file name to retain_symbols_file_test.stdout.
8126         (check_absent): Likewise.
8127
8128 2009-09-18  Craig Silverstein  <csilvers@google.com>
8129
8130         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8131         * options.cc: Include <cerrno> and <fstream>.
8132         (General_options::finalize): Parse -retain-symbols-file tag.
8133         * options.h: New flag.
8134         (General_options): New method should_retain_symbol, new
8135         variable symbols_to_retain.
8136         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8137         should_retain_symbol map.
8138         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8139         * testsuite/Makefile.in: Regenerate.
8140         * testsuite/retain_symbols_file_test.sh: New file.
8141
8142 2009-09-18  Nick Clifton  <nickc@redhat.com>
8143
8144         * po/es.po: Updated Spanish translation.
8145
8146 2009-09-17  Doug Kwan  <dougkwan@google.com>
8147
8148         * debug.h (DEBUG_RELAXATION): New constant.
8149         (DEBUG_ALL): Add DEBUG_RELAXATION.
8150         (debug_string_to_enum): Add relaxation debug option.
8151         * layout.cc
8152         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8153         Layout::Relaxation_debug_check::read_sections,
8154         Layout::Relaxation_debug_check::read_sections): New method definitions.
8155         (Layout::Layout): Initialize data members
8156         record_output_section_data_from_scrips_,
8157         script_output_section_data_list_ and relaxation_debug_check_.
8158         (Layout::save_segments, Layout::restore_segments,
8159         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8160         Layout::relaxation_loop_body): New method definitions.
8161         (Layout::finalize): Support relaxation.  Move section layout code to
8162         Layout::relaxation_loop_body.
8163         (Layout::set_asection_address_from_script): Move code for orphan
8164         section placement out.
8165         (Layout::place_orphan_sections_in_script): New method definition.
8166         * layout.h (Output_segment_headers, Output_file_header):
8167         New forward class declarations.
8168         (Layout::~Layout): Define.
8169         (Layout::new_output_section_data_from_script): New method definition.
8170         (Layout::place_orphan_sections_in_script): New method declaration.
8171         (Layout::Segment_states): New type declaration.
8172         (Layout::save_segments, Layout::restore_segments,
8173         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8174         Layout::relaxation_loop_body): New method declarations.
8175         (Layout::Output_section_data_list): New type declaration.
8176         (Layout::Relaxation_debug_check): New class definition.
8177         (Layout::record_output_section_data_from_script_,
8178         Layout::script_output_section_data_list_, Layout::segment_states_,
8179         Layout::relaxation_debug_check_): New data members.
8180         * output.cc: (Output_section_headers::do_size): New method definition.
8181         (Output_section_headers::Output_section_headers): Move size
8182         computation to Output_section_headers::do_size.
8183         (Output_segment_headers::do_size): New method definition.
8184         (Output_file_header::Output_file_header): Move size computation to
8185         Output_file_header::do_size and call it.
8186         (Output_file_header::do_size): New method definition.
8187         (Output_data_group::Output_data_group): Adjust call to
8188         Output_section_data.
8189         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8190         (Output_symtab_xindex::do_write): Add array bound check.
8191         (Output_section::Input_section::print_to_mapfile): Handle
8192         RELAXED_INPUT_SECTION_CODE.
8193         (Output_section::Output_section): Initialize data member checkpoint_.
8194         (Output_section::~Output_section): Delete checkpoint object pointed
8195         by checkpoint_.
8196         (Output_section::add_input_section): Always add an Input_section if
8197         relaxing.
8198         (Output_section::add_merge_input_section): Add assert.
8199         (Output_section::relax_input_section): New method definition.
8200         (Output_section::set_final_data_size): Set load address to zero for
8201         an unallocated section.
8202         (Output_section::do_address_and_file_offset_have_reset_values):
8203         New method definition.
8204         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8205         Handle relaxed input section.
8206         (Output_section::sort_attached_input_sections): Checkpoint input
8207         section list lazily.
8208         (Output_section::get_input_sections): Change type of input_sections to
8209         list of Simple_input_section pointers.  Checkpoint input section list
8210         lazily.  Also handle relaxed input sections.
8211         (Output_section::add_input_section_for_script): Take a reference to
8212         a Simple_input_section object instead of Relobj pointer and section
8213         index as parameter.  Handle relaxed input sections.
8214         (Output_section::save_states, Output_section::restore_states): New
8215         method definitions.
8216         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8217         (Output_data::is_data_size_fixed): New method definition.
8218         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8219         if it is fixed.
8220         (Output_data::address_and_file_offset_have_reset_values): New method
8221         definition.
8222         (Output_data::do_address_and_file_offset_have_reset_values): New method
8223         definition.
8224         (Output_data::set_data_size): Check that data size is not fixed.
8225         (Output_data::fix_data_size): New method definition.
8226         (Output_data::is_data_size_fixed_): New data member.
8227         (Output_section_headers::set_final_data_size): New method definition.
8228         (Output_section_headers::do_size): New method declaration.
8229         (Output_segment_headers::set_final_data_size): New method definition.
8230         (Output_segment_headers::do_size): New method declaration.
8231         (Output_file_header::set_final_data_size)::New method definition.
8232         (Output_file_header::do_size)::New method declaration.
8233         (Output_section_data::Output_section_data): Add new parameter
8234         is_data_size_fixed and use it to fix data size.
8235         (Output_data_const::Output_data_const): Adjust call to base class
8236         constructor and fix data size.
8237         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8238         base class constructor and fix data size.
8239         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8240         base class constructor and fix data size.
8241         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8242         class constructor and fix data size.
8243         (Output_data_group::set_final_data_size): New method definition.
8244         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8245         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8246         class constructor and fix data size.
8247         (Output_relaxed_input_section): New class definition.
8248         (Output_section::Simple_input_section): New class definition.
8249         (Output_section::get_input_sections): Adjust parameter list.
8250         (Output_section::add_input_section_for_script): Same.
8251         (Output_section::save_states, Output_section::restore_states,
8252         Output_section::do_address_and_file_offset_have_reset_values,
8253         (Output_section::Input_section::Input_section): Handle
8254         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8255         Output_relaxed_input_section.
8256         (Output_section::Input_section::is_input_section,
8257         Output_section::Input_section::set_output_section): Handle relaxed
8258         input section.
8259         (Output_section::Input_section::is_relaxed_input_section,
8260         Output_section::Input_section::output_section_data,
8261         Output_section::Input_section::relaxed_input_section): New method
8262         definitions.
8263         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8264         value.
8265         (Output_section::Input_section::u1_): Update comments.
8266         (Output_section::Input_section::u2_): Add new union member poris.
8267         (Output_section::Checkpoint_output_section): New classs definition.
8268         (Output_section::relax_input_section): New method declaration.
8269         (Output_section::checkpoint_): New data member.
8270         (Output_segment): Update comments.
8271         (Output_segment::Output_segment): Un-privatize copy constructor.
8272         (Output_segment::operator=): Un-privatize.
8273         * script-sections.cc (Output_section_element::Input_section_list):
8274         Change element type to Output_section::Simple_input_section.
8275         (Output_section_element_dot_assignment::set_section_addresses):
8276         Register output section data for relaxation clean up.
8277         (Output_data_exression::Output_data_expression): Adjust call to base
8278         constructor to fix data size.
8279         (Output_section_element_data::set_section_addresses): Register
8280         Output_data_expression object for relaxation clean up.
8281         (struct Input_section_info): Replace Relobj pointer and section index
8282         pair with Output_section::Simple_input_section and Convert struct to a
8283         class.
8284         (Input_section_sorter::operator()): Adjust access to
8285         Input_section_info data member to use accessors.
8286         (Output_section_element_input::set_section_addresses): Use layout
8287         parameter.  Adjust code to use Output_section::Simple_input_section
8288         and Input_secction_info classes.  Register filler for relaxation
8289         clean up.
8290         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8291         and section index pair with Output_section::Simple_input_section
8292         class.  Adjust code accordingly.
8293         (Phdrs_element::release_segment): New method definition.
8294         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8295         segment list.
8296         (Script_sections::release_segments): New method definition.
8297         * gold/script-sections.h (Script_sections::release_segments): New
8298         method declaration.
8299         * gold/target.h (Target::may_relax, Target::relax,
8300         Target::do_may_relax, Target::do_relax): New method definitions.
8301
8302 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8303
8304         * arm.cc (has_signed_unsigned_overflow): New function.
8305         (Arm_relocate_functions::abs8): New function.
8306         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8307         (Target_arm::Scan::global): Likewise.
8308         (Target_arm::relocate::relocate): Likewise.
8309         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8310         Likewise.
8311
8312 2009-09-16  Cary Coutant  <ccoutant@google.com>
8313
8314         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8315         * testsuite/Makefile.in: Regenerate.
8316
8317 2009-09-11  Nick Clifton  <nickc@redhat.com>
8318
8319         * po/gold.pot: Updated by the Translation project.
8320
8321 2009-09-08  Cary Coutant  <ccoutant@google.com>
8322
8323         * output.cc (Output_file::open): Add execute permission to empty file.
8324         * testsuite/Makefile.am (permission_test): New test.
8325         * testsuite/Makefile.in: Regenerate.
8326
8327 2009-09-02  Ian Lance Taylor  <iant@google.com>
8328
8329         * output.cc (Output_file::resize): Call map_no_anonymous rather
8330         than map.
8331
8332 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8333
8334         * gold.cc: Include "incremental.h".
8335         (queue_initial_tasks): Call Incremental_checker methods.
8336         * incremental.cc: Include "output.h".
8337         (Incremental_checker::can_incrementally_link_output_file): New
8338         method.
8339         * incremental.h (Incremental_checker): New class.
8340
8341         * output.cc (Output_file::open_for_modification): New method.
8342         (Output_file::map_anonymous): Changed return type to bool.  Record
8343         map in base_ field.
8344         (Output_file::map_no_anonymous): New method, broken out of map.
8345         (Output_file::map): Use map_no_anonymous and map_anonymous.
8346         * output.h (class Output_file): Update declarations.
8347
8348 2009-08-24  Cary Coutant  <ccoutant@google.com>
8349
8350         * options.h (Command_line::Pre_options): New class.
8351         (Command_line::pre_options): New member.
8352         * options.cc (gold::options::ready_to_register): New variable.
8353         (One_option::register_option): Do nothing if not registering options.
8354         Assert if same short option registered twice.
8355         (General_options::General_options): Turn off option registration when
8356         done constructing.
8357         (Command_line::Pre_options::Pre_options): New constructor.
8358
8359 2009-08-24  Cary Coutant  <ccoutant@google.com>
8360
8361         * options.h (General_options::no_keep_memory): Remove incorrect
8362         short option.
8363
8364 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8365
8366         * Makefile.am (am__skiplex, am__skipyacc): New.
8367         * Makefile.in: Regenerate.
8368
8369 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8370
8371         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8372         (INCLUDES): ... this.
8373         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8374         (AM_CPPFLAGS): Renamed from ...
8375         (INCLUDE): ... this.
8376         * Makefile.in, testsuite/Makefile.in: Regenerate.
8377
8378         * Makefile.in: Regenerate.
8379         * aclocal.m4: Likewise.
8380         * config.in: Likewise.
8381         * configure: Likewise.
8382         * testsuite/Makefile.in: Likewise.
8383
8384         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8385         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8386         * Makefile.in: Regenerate.
8387         * testsuite/Makefile.in: Regenerate.
8388
8389 2009-08-19  Cary Coutant  <ccoutant@google.com>
8390
8391         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8392         symbols in shared libraries overridden by hidden or internal symbols
8393         in the main program.
8394
8395 2009-08-19  Chris Demetriou  <cgd@google.com>
8396
8397         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8398         checking source file names in error messages.
8399
8400 2009-08-18  Doug Kwan  <dougkwan@google.com>
8401
8402         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8403         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8404         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8405         an elfcpp::Ehdr as parameter.
8406         * object.cc (Object::set_target): Remove the version that looks up
8407         a target and sets it.
8408         (Sized_relobj::setup): Take a Target object instead of
8409         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8410         (make_elf_sized_object): Find target and ask target to
8411         make an ELF object.
8412         * object.h: (Object::set_target): Remove the version that looks up
8413         a target and sets it.
8414         (Sized_relobj::setup): Take a Target object instead of
8415         an elfcpp:Ehdr as parameter.
8416         * target.cc: Include dynobj.h.
8417         (Target::do_make_elf_object_implementation): New.
8418         (Target::do_make_elf_object): New.
8419         * target.h (Target::make_elf_object): New template declaration.
8420         (Target::do_make_elf_object): New method declarations.
8421         (Target::do_make_elf_object_implementation): New template declaration.
8422
8423 2009-08-14  Ian Lance Taylor  <iant@google.com>
8424
8425         * gold.h (FUNCTION_NAME): Define.
8426         (gold_unreachable): Use FUNCTION_NAME.
8427
8428 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8429
8430         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8431         symbol in the --keep-unique list is not found.
8432
8433 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8434
8435         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8436         been maked as --keep-unique.
8437         (Icf::unfold_section): New function.
8438         * icf.h (Icf::unfold_section): New function.
8439         * options.h (General_options::keep_unique): New option.
8440         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8441         * testsuite/Makefile.in: Regenerate.
8442         * testsuite/icf_keep_unique_test.sh: New file.
8443         * testsuite/icf_keep_unique_test.cc: New file.
8444
8445 2009-08-12  Cary Coutant  <ccoutant@google.com>
8446
8447         PR 10471
8448         * resolve.cc (Symbol_table::resolve): Check for references from
8449         dynamic objects to hidden and internal symbols.
8450         * testsuite/Makefile.am (hidden_test.sh): New test.
8451         * testsuite/Makefile.in: Regenerate.
8452         * testsuite/hidden_test.sh: New script.
8453         * testsuite/hidden_test_1.c: New test source.
8454         * testsuite/hidden_test_main.c: New test source.
8455
8456 2009-08-11  Doug Kwan  <dougkwan@google.com>
8457
8458         * arm.cc: Update comments.
8459         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8460         segment to locate the .ARM.exidx section if present.
8461
8462 2009-08-09  Doug Kwan  <dougkwan@google.com>
8463
8464         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8465         patch.
8466
8467 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8468         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8469         compiler warnings.
8470
8471 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8472
8473         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8474         valid tls_segment only for non-debug-section relocations.
8475         * testsuite/Makefile.am: Add gc_tls_test.
8476         * testsuite/Makefile.in: Regenerate.
8477         * testsuite/gc_tls_test.cc: New file.
8478         * testsuite/gc_tls_test.sh: New file.
8479
8480 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8481
8482         * icf.cc: New file.
8483         * icf.h: New file.
8484         * Makefile.am (CCFILES): Add icf.cc.
8485         (HFILES): Add icf.h
8486         * Makefile.in: Regenerate.
8487         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8488         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8489         section, symbol and addend information for the relocs.
8490         * gold.cc (queue_middle_tasks): Call identical code folding.
8491         * gold.h: Add defines for multimap.
8492         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8493         to the call of finalize_local_symbols.
8494         * main.cc (main): Create object of class Icf.
8495         * object.cc (Sized_relobj::do_layout): Allow this function to be
8496         called twice during icf.
8497         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8498         to sections marked as identical by icf.
8499         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8500         when available.
8501         (Sized_relobj::do_section_entsize): New function.
8502         * object.h (Object::section_entsize): New function.
8503         (Object::do_section_entsize): New pure virtual function.
8504         (Relobj::finalize_local_symbols): Add new parameter.
8505         (Relobj::do_section_entsize): New function.
8506         * options.h (General_options::icf): New option.
8507         (General_options::icf_iterations): New option.
8508         (General_options::print_icf_sections): New option.
8509         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8510         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8511         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8512         icf.
8513         * symtab.cc (Symbol_table::is_section_folded): New function.
8514         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8515         to sections marked as identical by icf.
8516         * symtab.h (Symbol_table::set_icf): New function.
8517         (Symbol_table::icf): New function.
8518         (Symbol_table::is_section_folded): New function.
8519         (Symbol_table::icf_): New data member.
8520         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8521         * testsuite/Makefile.am: Add commands to build icf_test.
8522         * testsuite/Makefile.in: Regenerate.
8523         * testsuite/icf_test.sh: New file.
8524         * testsuite/icf_test.cc: New file.
8525
8526 2009-07-24  Chris Demetriou  <cgd@google.com>
8527
8528         * layout.cc (is_compressible_debug_section): Fix incorrect
8529         comment about compressed section names.
8530
8531 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8532
8533         PR 10419
8534         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8535
8536 2009-07-16  Ian Lance Taylor  <iant@google.com>
8537
8538         PR 10400
8539         * layout.h: #include <map>.
8540         (class Kept_section): Change from struct to class.  Add accessors
8541         and setters.  Add section size to Comdat_group mapping.  Change
8542         Comdat_group to std::map.  Add is_comdat_ field.  Add
8543         linkonce_size field in union.
8544         (class Layout): Update declaration of find_or_add_kept_section.
8545         Don't declare find_kept_object.
8546         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8547         parameter.  Add object, shndx, is_comdat, and is_group_name
8548         parameters.  Change all callers.  Adjust for new Kept_section.
8549         (Layout::find_kept_object): Remove.
8550         * object.cc (Sized_relobj::include_section_group): Update use of
8551         Kept_section.  Rename secnum to shndx.  Only record
8552         Kept_comdat_section if sections are the same size.
8553         (Sized_relobj::include_linkonce_section): Update use of
8554         Kept_section.  Only record Kept_comdat_section if sections are the
8555         same size.  Set size of linkonce section.
8556         (Sized_relobj::map_to_kept_section): Update call to
8557         get_kept_comdat_section.
8558         * object.h (class Sized_relobj): Rename fields in
8559         Kept_comdat_section to drop trailing underscores; change object
8560         field to Relobj*.  Change Kept_comdat_section_table to store
8561         struct rather than pointer.
8562         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8563         Add kept_object and kept_shndx parameters.  Change all callers.
8564         (Sized_relobj::get_kept_comdat_section): Change return type to
8565         bool.  Add kept_object and kept_shndx parameters.  Change all
8566         callers.
8567         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8568         Layout::find_or_add_kept_section.
8569
8570 2009-07-09  Ian Lance Taylor  <iant@google.com>
8571
8572         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8573         Reserve space in the hash table.
8574
8575 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8576
8577         * fileread.cc (File_read::get_mtime): New method.
8578         * fileread.h (Timespec): New structure.
8579         (File_read::get_mtime): New method.
8580         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8581         Renamed from timestamp_nsec.
8582         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8583         Elf_Xword.
8584         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8585         timestamp_nsec.
8586         (Incremental_inputs::report_archive): Save mtime; style fix.
8587         (Incremental_inputs::report_obejct): Save mtime; style fix.
8588         (Incremental_inputs::report_script): Save mtime; style fix.
8589         (Incremental_inputs::finalize_inputs): Style fix.
8590         (Incremental_inputs::finalize): Style fix.
8591         (Incremental_inputs::create_input_section_data): Store inputs
8592         mtime.
8593         * incremental.h (Incremental_inputs::report_script): Add mtime
8594         argument.
8595         (Incremental_inputs::Input_info::Input_info): Intialize only one
8596         union member.
8597         (Incremental_inputs::Input_info::archive): Move to nameless
8598         union.
8599         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8600         (Incremental_inputs::Input_info::script): Move to nameless union.
8601         (Incremental_inputs::mtime): New field.
8602         * script.cc (read_input_script): Pass file mtime to
8603         Incremental_input.
8604         * script.h (Script_info::inputs): Style fix.
8605
8606 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8607
8608         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8609         instead of 32.
8610
8611 2009-06-24  Ian Lance Taylor  <iant@google.com>
8612
8613         PR 10156
8614         * layout.cc (Layout::choose_output_section): If we find an
8615         existing section, update the flags.
8616         (Layout::create_notes): New function, broken out of
8617         Layout::finalize.
8618         (Layout::finalize): Don't create note sections.
8619         (Layout::create_note): Don't crash if linker script discards
8620         section.
8621         (Layout::create_gold_note): Likewise.
8622         (Layout::create_build_id): Likewise.  Don't set
8623         after_input_sections on the section.
8624         (Layout::create_executable_stack_info): Remove target parameter.
8625         Change caller.
8626         * layout.h (class Layout): Declare create_notes.  Update
8627         declaration of create_executable_stack_info.
8628         * gold.cc (queue_middle_tasks): Call create_notes.
8629         * output.cc (Output_section::update_flags_for_input_section): Move
8630         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8631         invalid.
8632         * output.h (Output_data::mark_address_invalid): New function.
8633         (class Output_section): Only declare, not define,
8634         update_flags_for_input_section.  Remove set_flags.
8635
8636 2009-06-24  Ian Lance Taylor  <iant@google.com>
8637
8638         * script-sections.cc (Output_section_definition::
8639         set_section_addresses): Rename shadowing local load_address to
8640         laddr.
8641
8642 2009-06-24  Ian Lance Taylor  <iant@google.com>
8643
8644         PR 10244
8645         * reloc.cc (relocate_sections): Skip empty relocation sections.
8646
8647 2009-06-23  Ian Lance Taylor  <iant@google.com>
8648
8649         PR 10156
8650         * layout.cc (Layout::create_note): Use choose_output_section
8651         rather than make_output_section.
8652
8653 2009-06-23  Ian Lance Taylor  <iant@google.com>
8654
8655         PR 10237
8656         * options.cc (General_options::parse_V): Set printed_version_.
8657         (General_options::General_options): Initialize printed_version_.
8658         * options.h (class General_options): Add printed_version_ field.
8659         * gold.cc (queue_initial_tasks): If there are no input files,
8660         don't give a fatal error if we printed the version information.
8661         (queue_middle_tasks): If using -r with a shared object, give a
8662         fatal error rather than an ordinary error.
8663
8664 2009-06-23  Ian Lance Taylor  <iant@google.com>
8665
8666         PR 10219
8667         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8668         (Layout::make_output_section): Set have_stabstr_section_ if we see
8669         a .stab*str section.
8670         (Layout::finalize): Call link_stabs_sections.
8671         (Layout::link_stabs_sections): New file.
8672         * layout.h (class Layout): Add have_stabstr_section_ field.
8673         Declare link_stabs_sections.
8674
8675 2009-06-23  Doug Kwan  <dougkwan@google.com>
8676
8677         * Makefile.am (libgold_a_LIBADD): New.
8678         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8679         * Makefile.in: Regenerate.
8680         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8681         * configure: Regenerate.
8682         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8683         * fileread.cc: Include sys/state.h
8684         * gold.h: Declare memmem and strndup if found missing.
8685         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8686
8687 2009-06-23  Ian Lance Taylor  <iant@google.com>
8688
8689         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8690         * configure: Rebuild.
8691
8692 2009-06-23  Ian Lance Taylor  <iant@google.com>
8693
8694         PR 10147
8695         * object.cc (Object::section_contents): Don't try to get a view if
8696         the section has length zero.
8697         (Object::handle_gnu_warning_section): If the section is empty, use
8698         the name of the section as the warning.
8699
8700 2009-06-23  Ian Lance Taylor  <iant@google.com>
8701
8702         PR 10133
8703         * stringpool.h (class Stringpool_template): Add optimize_ field.
8704         (Stringpool_template::set_optimize): New function.
8705         * stringpool.cc (Stringpool_template::Stringpool_template):
8706         Initialize optimize_ field.
8707         (Stringpool_template::set_string_offsets): Test local optimize
8708         fild rather than parameter.
8709         * layout.cc (Layout::Layout): Call set_optimize on the section
8710         name stringpool.
8711
8712 2009-06-22  Ian Lance Taylor  <iant@google.com>
8713
8714         PR 10030
8715         * yyscript.y: Parse TARGET.
8716         * script.cc (script_set_target): New function.
8717         * script-c.h (script_set_target): Declare.
8718         * options.cc (General_options::string_to_object_format): Rename
8719         from string_to_object_format in anonymous namespace.  Change
8720         callers.
8721         * options.h (class General_options): Declare
8722         string_to_object_format.
8723
8724 2009-06-22  Ian Lance Taylor  <iant@google.com>
8725
8726         * script-sections.cc (Script_sections::create_segments): Don't put
8727         program headers in a PT_LOAD segment if -n or -N.
8728
8729 2009-06-22  Ian Lance Taylor  <iant@google.com>
8730
8731         PR 10141
8732         * options.h (class General_options): Add -z lazy and -z now.  Sort
8733         -z options into alphabetical order.
8734         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8735
8736 2009-06-21  Ian Lance Taylor  <iant@google.com>
8737
8738         * layout.cc (Layout::make_output_section): Call
8739         Target::new_output_section.
8740         (Layout::attach_allocated_section_to_segment): Put large section
8741         sections in a separate load segment with the large segment flag
8742         set.
8743         (Layout::segment_precedes): Sort large data segments after other
8744         load segments.
8745         (align_file_offset): New static function.
8746         (Layout::set_segment_offsets): Use align_file_offset.
8747         * output.h (class Output_section): Add is_small_section_ and
8748         is_large_section_ fields.
8749         (Output_section::is_small_section): New function.
8750         (Output_section::set_is_small_section):  New function.
8751         (Output_section::is_large_section): New function.
8752         (Output_section::set_is_large_section): New function.
8753         (Output_section::is_large_data_section): New function.
8754         (class Output_segment): Add is_large_data_segment_ field.
8755         (Output_segment::is_large_data_segment): New function.
8756         (Output_segment::set_is_large_data_segment): New function.
8757         * output.cc (Output_section::Output_section): Initialize new
8758         fields.
8759         (Output_segment::Output_segment): Likewise.
8760         (Output_segment::add_output_section): Add assertion that large
8761         data sections always go in large data segments.  Force small data
8762         sections to the end of the list of data sections.  Force small BSS
8763         sections to the start of the list of BSS sections.  For large BSS
8764         sections to the end of the list of BSS sections.
8765         * symtab.h (class Symbol): Declare is_common_shndx.
8766         (Symbol::is_defined): Check Symbol::is_common_shndx.
8767         (Symbol::is_common): Likewise.
8768         (class Symbol_table): Define enum Commons_section_type.  Update
8769         declarations.  Add small_commons_ and large_commons_ fields.
8770         * symtab.cc (Symbol::is_common_shndx): New function.
8771         (Symbol_table::Symbol_table): Initialize new fields.
8772         (Symbol_table::add_from_object): Put small and large common
8773         symbols in the right list.
8774         (Symbol_table::sized_finalized_symbol): Check
8775         Symbol::is_common_shndx.
8776         (Symbol_table::sized_write_globals): Likewise.
8777         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8778         common symbol lists.  Don't call do_allocate_commons_list if the
8779         list is empty.
8780         (Symbol_table::do_allocate_commons_list): Remove is_tls
8781         parameter.  Add comons_section_type parameter.  Change all
8782         callers.  Handle small and large common symbols.
8783         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8784         Symbol::is_common_shndx.
8785         * resolve.cc (symbol_to_bits): Likewise.
8786         * target.h (Target::small_common_shndx): New function.
8787         (Target::small_common_section_flags): New function.
8788         (Target::large_common_shndx): New function.
8789         (Target::large_common_section_flags): New function.
8790         (Target::new_output_section): New function.
8791         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8792         small_common_section_flags, and large_common_section_flags
8793         fields.
8794         (Target::do_new_output_section): New virtual function.
8795         * arm.cc (Target_arm::arm_info): Initialize new fields.
8796         * i386.cc (Target_i386::i386_info): Likewise.
8797         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8798         Likewise.
8799         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8800         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8801         (Target_x86_64::do_new_output_section): New function.
8802         * configure.ac: Define conditional MCMODEL_MEDIUM.
8803         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8804         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8805         (large_LDFLAGS): Define.
8806         * testsuite/large.c: New file.
8807         * testsuite/testfile.cc (Target_test::test_target_info):
8808         Initialize new fields.
8809         * configure, testsuite/Makefile.in: Rebuild.
8810
8811 2009-06-05  Doug Kwan  <dougkwan@google.com>
8812
8813         * Makefile.am (CCFILES): Add target.cc.
8814         * Makefile.in: Regenerate.
8815         * i386.cc (class Target_i386): Define new virtual method to
8816         override do_is_local_label_name in parent.
8817         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8818         local symbols if --discard-locals or -X is given.
8819         * options.h (class General_options): Declare new options
8820         '--discard-locals' and '-X' for discarding locals.
8821         * target.h (class Target): Define new methods is_local_label_name.
8822         Declare new virtual method do_is_local_label_name.
8823         * target.cc: New file.
8824         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8825         (check_SCRIPTS): Add discard_locals_test.sh.
8826         (check_DATA): Add discard_local_tests.syms.
8827         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8828         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8829         * testsuite/Makefile.in: Regenerate.
8830         * testsuite/discard_locals_test.c: New file.
8831         * testsuite/discard_locals_test.sh: Same.
8832
8833 2009-06-05  Doug Kwan  <dougkwan@google.com>
8834
8835         * object.cc (Sized_relobj::Sized_relobj): Initialize
8836         discarded_eh_frame_shndx_ to -1U.
8837         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8838         section.
8839         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8840         a discarded .eh_frame section.
8841         (Sized_relobj::do_finalize_local_symbols): Ditto.
8842         * object.h (class Sized_relobj): Declare new member
8843         discarded_eh_frame_shndx_.
8844         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8845         (local_labels_test.o, local_labels_test): New rules.
8846         * testsuite/Makefile.in: Regenerate.
8847
8848 2009-06-04  Doug Kwan  <dougkwan@google.com>
8849
8850         * layout.cc (Layout::section_name_mapping): Add mapping for
8851         special ARM sections.
8852
8853 2009-06-03  Doug Kwan  <dougkwan@google.com>
8854
8855         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8856         (utils::has_overflow): Same.
8857
8858 2009-06-03  Ian Lance Taylor  <iant@google.com>
8859
8860         * layout.cc (Layout::section_name_mapping): New array, replacing
8861         Layout::linkonce_mapping.
8862         (Layout::section_name_mapping_count): New variable, replacing
8863         Layout::linkonce_mapping_count.
8864         (Layout::linkonce_output_name): Remove.
8865         (Layout::output_section_name): Rewrite.
8866         * layout.h (class Layout): Rename Linkonce_mapping to
8867         Section_name_mapping, linkonce_mapping to section_name_mapping,
8868         linkonce_mapping_count to section_name_mapping_count.  Don't
8869         declare linkonce_output_name.
8870
8871 2009-06-03  Doug Kwan  <dougkwan@google.com>
8872
8873         * gold/arm.cc (namespace utils): New.
8874         (Target_arm::reloc_is_non_pic): Define new method.
8875         (class Arm_relocate_functions): New.
8876         (Target_arm::Relocate::relocate): Handle relocation types used by
8877         Android.
8878
8879 2009-06-03  Ian Lance Taylor  <iant@google.com>
8880
8881         * arm.cc (Target_arm::scan::global): Use || instead of |.
8882
8883 2009-06-02  Doug Kwan  <dougkwan@google.com>
8884
8885         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8886         issued_non_pic_error_.
8887         (class Target_arm::Scan): Declare new method check_non_pic.
8888         Define new method symbol_needs_plt_entry.
8889         Declare new data member issued_non_pic_error_.
8890         (class Target_arm::Relocate): Declare new method
8891         should_apply_static_reloc.
8892         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8893         (Target_arm::Scan::check_non_pic): Define new method.
8894         (Target_arm::Scan::local): Handle a small subset of reloc types used
8895         by Android.
8896         (Target_arm::Scan::local): Same.
8897         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8898
8899 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8900
8901         * incremental.cc (Incremental_inputs::report_command_line): Filter
8902         out --incremental-* options.
8903
8904 2009-05-29  Doug Kwan  <dougkwan@google.com>
8905
8906         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8907         template class.
8908         (class Target_arm): Update comment.
8909         (Target_arm::Target_arm): Initialize new data members GOT_,
8910         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8911         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8912         and Target_arm::rel_dyn_section.
8913         Declare new_enum Target_arm::Got_type.
8914         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8915         and DYNBSS_.
8916         Update commments for member do_dynsym_value.
8917         (Target_arm::got_size, Target_arm::plt_section,
8918         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8919         new methods inside class defintion.
8920         (Target_arm::got_section): Define new method.
8921         (Target_arm::rel_dyn_section): Same.
8922         (Output_data_plt_arm): New template class.
8923         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8924         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8925         (Output_data_plt_arm::add_entry): Same.
8926         (Output_data_plt_arm::first_plt_entry): Define new
8927         static data member for PLT instruction template.
8928         (Output_data_plt_arm::plt_entry): Same.
8929         (Output_data_plt_arm::do_write): Define new method.
8930         (Target_arm::make_plt_entry): Same.
8931         (Target_arm::do_finalize_sections): Same.
8932         (Target_arm::do_dynsym_value): Same.
8933
8934 2009-05-28  Doug Kwan  <dougkwan@google.com>
8935
8936         * Makefile.am (TARGETSOURCES): Add arm.cc.
8937         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8938         * Makefile.in: Regenerate.
8939         * arm.cc: New file.
8940         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8941
8942 2009-05-26  Doug Kwan  <dougkwan@google.com>
8943
8944         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8945         (General_options::check_excluded_libs): Strip off directories in
8946         archive name before matching like GNU ld does.
8947         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8948         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8949         (exclude_libs_test_LDFLAGS): Add linker option
8950         -Wl,--exclude-libs,libexclude_libs_test_3
8951         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8952         an explicit archive without using -l.
8953         (alt/libexclude_libs_test_3.a): New make rule.
8954         * testsuite/Makefile.in: Regenerate.
8955         * testsuite/exclude_libs_test.c : Declare lib3_default().
8956         (main): Call it.
8957         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8958         * exclude_libs_test_3.c: New file.
8959
8960 2009-05-26  Nick Clifton  <nickc@redhat.com>
8961
8962         * po/id.po: New Indonesian translation.
8963         * po/gold.pot: Updated template file.
8964
8965 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8966
8967         * testsuite/Makefile.am: Add -ffunction-sections to compile
8968         gc_comdat_test files.  Add -Wl,--gc-sections to build
8969         gc_comdat_test.
8970         * testsuite/Makefile.in: Regenerate.
8971         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8972
8973 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8974
8975         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8976         kept comdat section was garbage collected.
8977         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8978         * testsuite/Makefile.in: Regenerate.
8979         * testsuite/gc_comdat_test.sh: New file.
8980         * testsuite/gc_comdat_test_1.cc: New file.
8981         * testsuite/gc_comdat_test_2.cc: New file.
8982
8983 2009-05-19  Doug Kwan  <dougkwan@google.com>
8984
8985         * archive.cc (Archive::Archive): Move constructor from archive.h
8986         to here.  Initialize no_export_.
8987         (Archive::get_elf_object_for_member): Set no_export flag of object.
8988         * archive.h (Archive::Archive): Move constructor body to
8989         archive.cc.
8990         (Archive::no_export): New method.
8991         (Archive::no_export_): New field.
8992         * object.h (Object::Object): Initialize no_export_ to false.
8993         (Object::no_export, Object::set_no_export): New methods.
8994         (Object::no_export_): New field.
8995         * options.cc (General_options::parse_exclude_libs): New method.
8996         (General_options::check_excluded_libs) Same.
8997         * options.h (exclude_libs): New option.
8998         (General_options::check_excluded_libs): New method declaration.
8999         (General_options::excluded_libs_): New field.
9000         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9001         default or protected visibility if an object has no-export flag set.
9002         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9003         (check_SCRIPTS): Add exclude_libs_test.sh.
9004         (check_DATA): Add exclude_libs_test.syms.
9005         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9006         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9007         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9008         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9009         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9010         libexclude_libs_test_2.a): New rules.
9011         * testsuite/Makefile.in: Regenerate.
9012         * testsuite/exclude_libs_test.c: New file.
9013         * testsuite/exclude_libs_test.sh: Ditto.
9014         * testsuite/exclude_libs_test_1.c: Ditto.
9015         * testsuite/exclude_libs_test_2.c: Ditto.
9016
9017 2009-05-15  Ian Lance Taylor  <iant@google.com>
9018
9019         * configure.ac: Check for declarations for cases where libiberty.h
9020         checks HAVE_DECL_xxx.
9021         * configure, config.in: Rebuild.
9022
9023 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9024
9025         * gold.h (Incremental_argument_list): Remove (invalid) forward
9026         declaration.
9027         * incremental.cc (Incremental_inputs::report_achive): New method.
9028         (Incremental_inputs::report_object): New method.
9029         (Incremental_inputs::report_script): New method.
9030         (Incremental_inputs::finalize_inputs): New method.
9031         (Incremental_inputs::finalize): Call finalize_inputs().
9032         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9033         Create inputs entries.
9034         * incremental.h (Incremental_input_type): New enum.
9035         (Incremental_inputs::Incremental_input): Initialize new fields.
9036         (Incremental_inputs::report_inputs): New method.
9037         (Incremental_inputs::report_achive): New method.
9038         (Incremental_inputs::report_object): New method.
9039         (Incremental_inputs::report_script): New method.
9040         (Incremental_inputs::finalize_inputs): New method.
9041         (Incremental_inputs::Input_info): New struct.
9042         (Incremental_inputs::Input_info_map): New typedef.
9043         (Incremental_inputs::lock_): New field.
9044         (Incremental_inputs::Inputs_): New field.
9045         (Incremental_inputs::Inputs_map): New field.
9046         * main.cc (main): Call Incremental_input::report_inputs.
9047         * options.h (Input_argument_list): Typedef moved from
9048         Input_arguments.
9049         (Input_file_group::Files): Remove, use ::Input_argument_list.
9050         (Input_file_group::Input_argument_list): Remove, use
9051         ::Input_argument_list.
9052         * plugin.cc (Plugin_manager::add_input_file): Add error in
9053         incremental build.
9054         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9055         functions.
9056         * script.cc (read_input_script): Call
9057         Incremental_input::report_script.
9058         * script.h (Script_info): New class.
9059
9060 2009-04-27  Ian Lance Taylor  <iant@google.com>
9061
9062         * x86_64.cc (do_adjust_output_section): Set entsize to
9063         plt_entry_size.
9064
9065 2009-04-23  Elliott Hughes  <enh@google.com>
9066
9067         * output.cc (Output_file::close): After short writes, continue
9068         writing from the correct offset in the buffer being written.
9069
9070 2009-04-23  Chris Demetriou  <cgd@google.com>
9071
9072         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9073         * configure: Regenerate.
9074         * config.in: Regenerate.
9075         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9076         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9077
9078 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9079
9080         * incremental.cc (Incremental_inputs_header_data): Renamed from
9081         Incremental_input_header_data.
9082         (Incremental_inputs_header_data::data_size): New field.
9083         (Incremental_inputs_header_data::put_input_file_count): Renamed
9084         from input_file_count.
9085         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9086         from command_line_offset.
9087         (Incremental_inputs_header_data::put_reserved): Renamed from
9088         put_reserved.
9089         (Incremental_inputs_entry_data): Renamed from
9090         Incremental_input_entry_data.
9091         (Incremental_inputs_entry_data::data_size): New field.
9092         (Incremental_inputs::report_command_line): New method.
9093         (Incremental_inputs::finalize): New method.
9094         (Incremental_inputs::create_incremental_inputs_data): New method.
9095         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9096         * incremental.h: New file.
9097         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9098        (Layout::finalize): Create incremental inputs section in
9099         incremental builds.
9100        (Layout::create_incremental_info_sections): New method.
9101         * layout.h (Layout::incremental_inputs): New method.
9102        (Layout::create_incremental_info_sections): New method.
9103        (Layout::incremental_inputs_): New field.
9104         * main.cc (main): Notify Incremental_input of the command line.
9105
9106 2009-04-01  Ian Lance Taylor  <iant@google.com>
9107             Mikolaj Zalewski  <mikolajz@google.com>
9108
9109         * gold.h (reserve_unordered_map): Define, three versions, one for
9110         each version of Unordered_map.
9111         * layout.cc (Layout::Layout): Remove options parameter.  Add
9112         number_of_input_files parameter.  Don't initialize options_.
9113         Initialize number_of_input_files_ and resized_signatures_.  Move
9114         sections_are_attached_.
9115         (Layout::layout_group): Reserve space for group_signatures_.
9116         (Layout::find_or_add_kept_section): Change name parameter to be a
9117         reference.  Resize signatures_ map when it gets large enough.
9118         (Layout::layout_eh_frame): Use parameters->options() instead of
9119         this->options_.
9120         (Layout::make_output_section): Likewise.
9121         (Layout::attach_allocated_section_to_segment): Likewise.
9122         (Layout::finalize, Layout::create_executable_stack): Likewise.
9123         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9124         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9125         * layout.h (class Layout): Update declarations.  Remove options_
9126         field.  Add number_of_input_files_ and resized_signatures_
9127         fields.  Move sections_are_attached_ field.
9128         * main.cc (main): Pass number of input files to Layout
9129         constructor.  Don't pass options.
9130
9131 2009-03-30  Ian Lance Taylor  <iant@google.com>
9132
9133         * ffsll.c (ffsll): Correct implementation.
9134
9135 2009-03-27  Ian Lance Taylor  <iant@google.com>
9136
9137         * ffsll.c: New file.
9138         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9139         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9140         * ftruncate.c (ftruncate): Declare before definition.
9141         * mremap.c (mremap): Likewise.
9142         * pread.c (pread): Likewise.
9143         * configure, Makefile.in, config.in: Rebuild.
9144
9145         * mremap.c: New file.
9146         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9147         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9148         (mremap): Declare if HAVE_MREMAP is not defined.
9149         * configure, Makefile.in, config.in: Rebuild.
9150
9151 2009-03-27  Cary Coutant  <ccoutant@google.com>
9152
9153         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9154         position independent.
9155         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9156         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9157
9158 2009-03-24  Cary Coutant  <ccoutant@google.com>
9159
9160         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9161         an executable.
9162         (needs_dynamic_reloc): Likewise.
9163
9164 2009-03-24  Ian Lance Taylor  <iant@google.com>
9165
9166         * yyscript.y (file_cmd): Recognize EXTERN.
9167         (extern_name_list, extern_name_list_body): New nonterminals.
9168         * script.cc (script_add_extern): Define.
9169         * script-c.h (script_add_extern): Declare.
9170
9171 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9172
9173         * object.cc (is_elf_object): Define.
9174         * object.h (is_elf_object): Declare.
9175         * archive.cc (Archive::get_elf_object_for_member): Call
9176         is_elf_object.
9177         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9178
9179 2009-03-24  Elliott Hughes  <enh@google.com>
9180
9181         * output.cc (Output_file::map_anonymous): Define.
9182         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9183         try an anonymous one.  Report the size if the mmap fails.
9184         * output.h (class Output_file): Declare map_anonymous.
9185
9186 2009-03-24  Ian Lance Taylor  <iant@google.com>
9187
9188         * target-select.cc (instantiate_target): Don't acquire the lock if
9189         the instantiated_target_ field has already been set.
9190
9191 2009-03-23  Ian Lance Taylor  <iant@google.com>
9192
9193         * gold-threads.h (class Initialize_lock): Define.
9194         * gold-threads.cc (class Initialize_lock_once): Define.
9195         (initialize_lock_control): New static variable.
9196         (initialize_lock_pointer): New static variable.
9197         (initialize_lock_once): New static function.
9198         (Initialize_lock::Initialize_lock): Define.
9199         (Initialize_lock::initialize): Define.
9200         * target-select.h: Include "gold-threads.h".
9201         (class Target_selector): Add lock_ and initialize_lock_ fields.
9202         Don't define instantiate_target, just declare it.
9203         * target-select.cc (Target_selector::Target_selector): Initialize
9204         new fields.
9205         (Target_selector::instantiate_target): Define.
9206         * descriptors.h: Include "gold-threads.h".
9207         (class Descriptors): Add initialize_lock_ field.
9208         * descriptors.cc (Descriptors::Descriptors): Initialize new
9209         field.
9210         (Descriptors::open): Use initialize_lock_ field
9211         * errors.h (class Errors): Add initialize_lock_ field.
9212         * errors.cc (Errors::Errors): Initialize new field.
9213         (Errors::initialize_lock): Use initialize_lock_ field.
9214         * powerpc.cc (class Target_selector_powerpc): Remove
9215         instantiated_target_ field.  In do_recognize call
9216         instantiate_target rather than do_instantiate_target.  In
9217         do_instantiate_target just allocate a new target.
9218         * sparc.cc (class Target_selector_sparc): Likewise.
9219
9220         * freebsd.h: New file.
9221         * i386.cc: Include "freebsd.h".
9222         (Target_i386): Derive from Target_freebsd rather than
9223         Sized_target.
9224         (Target_selector_i386): Derive from Target_selector_freebsd rather
9225         than Target_selector.
9226         * x86_64.cc: Include "freebsd.h".
9227         (Target_x86_64): Derive from Target_freebsd rather than
9228         Sized_target.
9229         (Target_selector_x86_64): Derive from Target_selector_freebsd
9230         rather than Target_selector.
9231         * target.h (class Target): Add adjust_elf_header and
9232         do_adjust_elf_header.
9233         * output.cc (Output_file_header:: do_sized_write): Call target
9234         adjust_elf_header routine.
9235         * configure.tgt: Set targ_osabi.
9236         * configure.ac: Define GOLD_DEFAULT_OSABI.
9237         * parameters.cc (Parameters::default_target): Pass
9238         GOLD_DEFAULT_OSABI to select_target.
9239         * target-select.h (class Target_selector): Make instantiate_target
9240         protected rather than private.
9241         * Makefile.am (HFILES): Add freebsd.h.
9242         * configure, Makefile.in, config.in: Rebuild.
9243
9244         * merge.cc (do_add_input_section): Correct pend value.  Change
9245         message about last entry not being null terminated from error to
9246         warning.
9247
9248 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9249
9250         * incremental.cc: New file.
9251         * Makefile.am (CCFILES): Add incremental.cc.
9252         * Makefile.in: Rebuild.
9253
9254 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9255
9256         * layout.cc (Layout::output_section_name): Preserve names
9257         of '.note.' sections.
9258
9259 2009-03-19  Ian Lance Taylor  <iant@google.com>
9260
9261         * descriptors.cc (Descriptors::open): Check that the options are
9262         valid before using them.
9263
9264 2009-03-18  Ian Lance Taylor  <iant@google.com>
9265
9266         * script-sections.h: Include <list>.
9267         (class Script_sections): Change Sections_elements from std::vector
9268         to std::list.  Typedef public Elements_iterator.  Add
9269         orphan_section_placement_, data_segment_align_start_, and
9270         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9271         field.
9272         * script-sections.cc (class Orphan_section_placement): New class.
9273         (class Sections_element): Add virtual functions is_relro and
9274         orphan_section_init.  Remove virtual function place_orphan_here.
9275         (class Output_section_definition): Add is_relro and
9276         orphan_section_init.  Remove place_orphan_here.
9277         (class Orphan_output_section): Likewise.
9278         (Script_sections::Script_sections): Update for field changes.
9279         (Script_sections::data_segment_align): Set saw_data_segment_align_
9280         and data_segment_align_start_, not data_segment_align_index.
9281         (Script_sections::data_segment_relro_end): Check
9282         saw_data_segment_align_.  Use data_segment_align_start_ rather
9283         than data_segment_align_index_.
9284         (Script_sections::place_orphan): Rewrite to use
9285         Orphan_section_placement.
9286
9287 2009-03-17  Ian Lance Taylor  <iant@google.com>
9288
9289         * archive.cc (Archive::add_symbols): Check for a version attached
9290         to the symbol name in the archive map.
9291         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9292         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9293         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9294         (ver_test_11.a): New target.
9295         * testsuite/Makefile.in: Rebuild.
9296
9297         * configure.ac: Check for chsize and posix_fallocate.  Replace
9298         ftruncate.
9299         * ftruncate.c: New file, from gnulib.
9300         * output.cc (posix_fallocate): Define dummy version if not
9301         HAVE_POSIX_FALLOCATE.
9302         (Output_file::map): Call posix_fallocate rather than lseek and
9303         write.
9304         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9305         * configure, Makefile.in, config.in: Rebuild.
9306
9307 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9308
9309         * layout.h (Layout::create_note): Add section_name parameter.
9310         * layout.cc (Layout::create_note): Likewise.
9311         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9312
9313 2009-03-17  Ian Lance Taylor  <iant@google.com>
9314
9315         * descriptors.cc: Include "options.h".
9316         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9317         (Descriptors::open): Always use O_CLOEXEC when opening a new
9318         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9319         then set FD_CLOEXEC.
9320
9321         * sparc.cc (class Target_sparc): Add has_got_section.
9322         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9323         make sure we have a GOT section.
9324
9325         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9326         (Target_sparc::Scan::local): Likewise.
9327         (Target_sparc::Scan::global): Likewise.
9328         (Target_sparc::Relocate::relocate): Likewise.
9329         (Target_sparc::Relocate::relocate_tls): Likewise.
9330
9331         * symtab.cc (Symbol_table::define_default_version): New function,
9332         broken out of add_from_object.
9333         (Symbol_table::add_from_object): Call define_default_version.
9334         (Symbol_table::define_special_symbol): Add resolve_oldsym
9335         parameter.  Change all callers.  If the version for a symbol comes
9336         from a version script, resolve it with the symbol with the same
9337         name with no version.  Also add the symbol without a version if
9338         appropriate.
9339         (do_define_in_output_data): If resolving with oldsym, don't delete
9340         sym.
9341         (do_define_in_output_segment): Likewise.
9342         (do_define_as_constant): Likewise.
9343         * symtab.h (class Symbol_table): Update declarations.
9344
9345 2009-03-13  Ian Lance Taylor  <iant@google.com>
9346
9347         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9348         (Read_symbols::requeue): New function.
9349         (Read_symbols::do_read_symbols): If make_elf_object fails because
9350         the target type is not configured, and the file was searched for,
9351         issue a warning and retry with the next directory.
9352         (Add_symbols::run): If the file has an incompatible format, and
9353         it was searched for, requeue the Read_symbols task.  On error,
9354         release the object.
9355         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9356         dirindex parameter to constructor.  Change all callers.  Declare
9357         incompatible_warning and requeue.
9358         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9359         input_argument_ and input_group_ fields.  Add them to
9360         constructor.  Change all callers.
9361         (class Read_script): Add dirindex_ field.  Add it to constructor.
9362         Change all callers.
9363         * archive.cc (Archive::setup): Remove input_objects parameter.
9364         Change all callers.
9365         (Archive::get_file_and_offset): Likewise.
9366         (Archive::read_all_symbols): Likewise.
9367         (Archive::read_symbols): Likewise.
9368         (Archive::get_elf_object_for_member): Remove input_objects
9369         parameter.  Add punconfigured parameter.  Change all callers.
9370         (Archive::add_symbols): Change return type to bool.  Check return
9371         value of include_member.
9372         (Archive::include_all_members): Likewise.
9373         (Archive::include_member): Change return type to bool.  Return
9374         false if first included object has incompatible target.  Set
9375         included_member_ field.
9376         (Add_archive_symbols::run): If add_symbols returns false, requeue
9377         Read_symbols task.
9378         * archive.h (class Archive): Add included_member_ field.
9379         Initialize it in constructor.  Add input_file and searched_for
9380         methods.  Update declarations.
9381         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9382         input_argument_ fields.  Add them to constructor.  Change all
9383         callers.
9384         * script.cc: Include "target-select.h".
9385         (class Parser_closure): Add skip_on_incompatible_target_ and
9386         found_incompatible_target_ fields.  Add
9387         skip_on_incompatible_target parameter to constructor.  Change all
9388         callers.  Add methods skip_on_incompatible_target,
9389         clear_skip_on_incompatible_target, found_incompatible_target, and
9390         set_found_incompatible_target.
9391         (read_input_script): Add dirindex parameter.  Change all callers.
9392         If parser finds an incompatible target, requeue Read_symbols
9393         task.
9394         (script_set_symbol): Clear skip_on_incompatible_target in
9395         closure.
9396         (script_add_assertion, script_parse_option): Likewise.
9397         (script_start_sections, script_add_phdr): Likewise.
9398         (script_check_output_format): New function.
9399         * script.h (read_input_script): Update declaration.
9400         * script-c.h (script_check_output_format): Declare.
9401         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9402         (ignore_cmd): Remove OUTPUT_FORMAT.
9403         * fileread.cc (Input_file::Input_file): Add explicit this.
9404         (Input_file::will_search_for): New function.
9405         (Input_file::open): Add pindex parameter.  Change all callers.
9406         * fileread.h (class Input_file): Add input_file_argument method.
9407         Declare will_search_for.  Update declarations.
9408         * object.cc (make_elf_object): Add punconfigured parameter.
9409         Change all callers.
9410         * object.h (class Object): Make input_file public.  Add
9411         searched_for method.
9412         (make_elf_object): Update declaration.
9413         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9414         restart search.
9415         * dirsearch.h (class Dirsearch): Update declaration.
9416         * options.h (class General_options): Add --warn-search-mismatch.
9417         * parameters.cc (Parameters::is_compatible_target): New function.
9418         * parameters.h (class Parameters): Declare is_compatible_target.
9419         * workqueue.cc (Workqueue::add_blocker): New function.
9420         * workqueue.h (class Workqueue): Declare add_blocker.
9421
9422         * fileread.cc (Input_file::open): Remove options parameter.
9423         Change all callers.
9424         (Input_file::open_binary): Likewise.
9425         * script.cc (read_input_script): Likewise.
9426         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9427         options parameter from constructor.  Change all callers.
9428         (class Read_script): Likewise.
9429         * fileread.h (class Input_file): Update declarations.
9430         * script.h (read_input_script): Update declaration.
9431
9432 2009-03-10  Nick Clifton  <nickc@redhat.com>
9433
9434         * po/es.po: New Spanish translation.
9435
9436 2009-03-06  Cary Coutant  <ccoutant@google.com>
9437
9438         * options.cc (parse_short_option): Keep dash_z from registering itself.
9439
9440 2009-03-03  Ian Lance Taylor  <iant@google.com>
9441
9442         PR 9918
9443         * target-reloc.h (relocate_section): Pass output_section to
9444         relocate.
9445         * i386.cc (Target_i386::should_apply_static_reloc): Add
9446         output_section parameter.  Change all callers.
9447         (Target_i386::Relocate::relocate): Add output_section parameter.
9448         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9449         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9450         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9451         * testsuite/two_file_shared.sh: New script.
9452         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9453         (check_DATA): Add two_file_shared.dbg.
9454         (two_file_shared.dbg): New target.
9455         * testsuite/Makefile.in: Rebuild.
9456
9457 2009-03-01  Ian Lance Taylor  <iant@google.com>
9458
9459         * configure.ac: Check for byteswap.h.
9460         * configure: Rebuild.
9461         * config.in: Rebuild.
9462
9463 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9464
9465         * layout.cc (Layout::find_or_add_kept_section): New function.
9466         (Layout::add_comdat): Removed.
9467         * layout.h (struct Kept_section): Move out of class Layout.
9468         Remove trailing underscores from field names.  Add group_sections
9469         field.  Rename group_ field to is_group.  Change all uses.
9470         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9471         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9472         comdat_groups_ field.
9473         (Sized_relobj::include_section_group): Use
9474         find_or_add_kept_section and Kept_section::group_sections.
9475         (Sized_relobj::include_linkonce_section): Likewise.
9476         * object.cc (class Sized_relobj): Don't define Comdat_group or
9477         Comdat_group_table.  Remove find_comdat_group and
9478         add_comdat_group.  Remove comdat_groups_ field.
9479         * plugin.cc (include_comdat_group): Use
9480         Layout::find_or_add_kept_section.
9481
9482 2009-02-28  Ian Lance Taylor  <iant@google.com>
9483
9484         * README: --gc-sections and map files are now supported.  Document
9485         some build requirements.
9486
9487         PR 6992
9488         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9489         relocatable link set the value of the section symbol to zero.
9490         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9491         relocatable link don't include the section address in the local
9492         symbol value.
9493
9494 2009-02-27  Ian Lance Taylor  <iant@google.com>
9495
9496         PR 6811
9497         * options.h (class Search_directory): Add is_system_directory.
9498         (class General_options): Declare is_in_system_directory.
9499         * options.cc (get_relative_sysroot): Make static.
9500         (get_default_sysroot): Make static.
9501         (General_optoins::is_in_system_directory): New function.
9502         * fileread.cc (Input_file::is_in_system_directory): New function.
9503         * fileread.h (class Input_file): Declare is_in_system_directory.
9504         * object.h (class Object): Add is_in_system_directory.
9505         (class Input_objects): Remove system_library_directory_ field.
9506         * object.cc (Input_objects::add_object): Don't set
9507         system_library_directory_.
9508         (input_objects::found_in_system_library_directory): Remove.
9509         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9510         parameter.  Change all callers.
9511         (Symbol_table::sized_write_globals): Likewise.
9512         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9513         Call Object::is_in_system_directory.
9514         * symtab.h (class Symbol_table): Update declarations.
9515
9516         PR 5990
9517         * descriptors.h (Open_descriptor): Add is_on_stack field.
9518         * descriptors.cc (Descriptors::open): If the descriptor is on the
9519         top of the stack, remove it.  Initialize is_on_stack field.
9520         (Descriptors::release): Only add pod to stack if it is not on the
9521         stack already.
9522         (Descriptors::close_some_descriptor): Clear stack_next and
9523         is_on_stack fields.
9524
9525         PR 7091
9526         * output.cc (Output_section::find_starting_output_address): Rename
9527         from starting_output_address; add PADDR parameter; change return
9528         type.
9529         * output.h (class Output_section): Declare
9530         find_starting_output_address instead of starting_output_address.
9531         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9532         section symbol for which we can't find a merge section.
9533
9534         PR 9836
9535         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9536         hidden or internal, force the symbol to be local.
9537         * resolve.cc (Symbol::override_visibility): Define.
9538         (Symbol::override_base): Use override_visibility.
9539         (Symbol_table::resolve): Likewise.
9540         (Symbol::override_base_with_special): Likewise.
9541         (Symbol_table::override_with_special): If the visibility is hidden
9542         or internal, force the symbol to be local.
9543         * symtab.h (class Symbol): Add set_visibility and
9544         override_visibility.
9545         * testsuite/ver_test_1.sh: New file.
9546         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9547         (check_DATA): Add ver_test_1.syms.
9548         (ver_test_1.syms): New target.
9549         * testsuite/Makefile.in: Rebuild.
9550
9551 2009-02-25  Cary Coutant  <ccoutant@google.com>
9552
9553         * layout.cc (Layout::choose_output_section): Don't rename sections
9554         when using a linker script that has a SECTIONS clause.
9555         * Makefile.in: Regenerate.
9556
9557         * testsuite/Makefile.am (script_test_5.sh): New test case.
9558         * testsuite/Makefile.in: Regenerate.
9559         * testsuite/script_test_5.cc: New file.
9560         * testsuite/script_test_5.sh: New file.
9561         * testsuite/script_test_5.t: New file.
9562
9563 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9564
9565         * archive.cc (Archive::include_member): Update calls to add_symbols.
9566         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9567         the Layout argument.
9568         * dynobj.h (do_add_symbols): Add the Layout argument.
9569         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9570         Layout argument.
9571         * object.h (Object::add_symbols): Add the Layout argument.
9572         (Object::do_add_symbols): Add the Layout argument.
9573         (Sized_relobj::do_add_symbols): Add the Layout argument.
9574         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9575         Unify the two versions.
9576         (Add_plugin_symbols): Remove.
9577         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9578         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9579         (Add_plugin_symbols): Remove.
9580         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9581         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9582         (Add_symbols::run): Make it work with Pulginobj.
9583
9584 2009-02-06  Ian Lance Taylor  <iant@google.com>
9585
9586         * object.cc (Sized_relobj::do_layout): Make info message start
9587         with lower case letter.
9588
9589 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9590
9591         * binary.cc: Fix file comment.
9592
9593         * options.h (enum Incremental_disposition): Define.
9594         (class General_options): Add new options: --incremental,
9595         --incremental_changed, --incremental_unchanged,
9596         --incremental_unknown.  Add incremental_disposition_ and
9597         implicit_incremental_ fields.
9598         (General_options::incremental_disposition): New function.
9599         (class Position_dependent_options): Add incremental_disposition
9600         option.
9601         (Position_dependent_options::copy_from_options): Set incremental
9602         dispositions.
9603         * options.cc (General_options::parse_incremental_changed): New
9604         function.
9605         (General_options::parse_incremental_unchanged): New function.
9606         (General_options::parse_incremental_unknown): New function.
9607         (General_options::General_options): Initialize new fields
9608         incremental_disposition_ and implicit_incremental_.
9609         (General_options::finalize): Check for uasge of --incremental-*
9610         without --incremental.
9611
9612 2009-02-06  Chris Demetriou  <cgd@google.com>
9613
9614         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9615         pointer and to report location as the file name associated with
9616         the symbol.
9617         (gold_undefined_symbol_at_location): New function to replace the
9618         old gold_undefined_symbol functionality.
9619         * target-reloc.h (relocate_section): Update to use
9620         gold_undefined_symbol_at_location.
9621         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9622         Call gold_undefined_symbol function rather than gold_error.
9623         * errors.h (Errors::undefined_symbol): Take location as a
9624         string, rather than calculating it from a relocation.
9625         * errors.cc (Errors::fatal): Print "fatal error:" before the
9626         formatted message.
9627         (Errors::error, Errors::error_at_location): Print "error: "
9628         before the formatted message.
9629         (Errors::undefined_symbol): Take location as a string, rather
9630         than calculating it from a relocation.
9631         (gold_undefined_symbol_at_location): New function akin to
9632         old gold_undefined_symbol, calculates location from relocation.
9633         (gold_undefined_symbol): Change to take only a Symbol pointer
9634         and to report location as the file name associated with the symbol.
9635         * testsuite/debug_msg.sh: Update for changed error messages.
9636         * testsuite/undef_symbol.sh: Likewise.
9637
9638 2009-02-04  Duncan Sands  <baldrick@free.fr>
9639
9640         PR 9812
9641         * reduced_debug_output.h
9642         (Output_reduced_debug_abbrev_section::failed): Use format for
9643         gold_warning.
9644         (Output_reduced_debug_info_section::faild): Likewise.
9645
9646 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9647
9648         * script.cc (Lazy_demangler): New class.
9649         (Version_script_info::get_symbol_version_helper): Demangle a
9650         symbol only once.
9651
9652 2009-01-29  Cary Coutant  <ccoutant@google.com>
9653
9654         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9655         to __tls_get_addr.
9656         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9657
9658 2009-01-28  Ian Lance Taylor  <iant@google.com>
9659
9660         * version.cc (version_string): Bump to 1.9.
9661
9662         * gold.h: Include <cstring> and <stdint.h>.
9663         * version.cc: Include <cstdio>.
9664         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9665         warning.
9666         * reduced_debug_output.cc (insert_into_vector): Rename from
9667         Insert_into_vector; change all callers.  Use Swap_unaligned to
9668         avoid aliasing issue; remove union since it is unnecessary.
9669
9670 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9671
9672         * Makefile.am (CCFILES): Add gc.cc.
9673         (HFILES): Add gc.h.
9674         * Makefile.in: Regenerate.
9675         * gold.cc (Gc_runner): New class.
9676         (queue_initial_tasks): Call garbage collection related tasks
9677         when corresponding options are invoked.
9678         (queue_middle_gc_tasks): New function.
9679         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9680         processed early before laying out sections during garbage collection.
9681         * gold.h (queue_middle_gc_tasks): New function.
9682         (is_prefix_of): Move from "layout.cc".
9683         * i386.cc (Target_i386::gc_process_relocs): New function.
9684         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9685         * main.cc (main): Create object of class "Garbage_collection".
9686         * object.cc (Relobj::copy_symbols_data): New function.
9687         (Relobj::is_section_name_included): New function.
9688         (Sized_relobj::do_layout): Allow this function to be called twice
9689         during garbage collection and defer layout of section during the
9690         first call.
9691         * object.h (Relobj::get_symbols_data): New function.
9692         (Relobj::is_section_name_included): New function.
9693         (Relobj::copy_symbols_data): New function.
9694         (Relobj::set_symbols_data): New function.
9695         (Relobj::get_relocs_data): New function.
9696         (Relobj::set_relocs_data): New function.
9697         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9698         (Relobj::gc_process_relocs): New function.
9699         (Relobj::do_gc_process_relocs): New pure virtual function.
9700         (Relobj::sd_): New data member.
9701         (Sized_relobj::is_output_section_offset_invalid): New function.
9702         (Sized_relobj::do_gc_process_relocs): New function.
9703         * options.h (General_options::gc_sections): Modify to not be a no-op.
9704         (General_options::print_gc_sections): New option.
9705         * plugin.cc (Plugin_finish::run): Remove function call to
9706         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9707         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9708         * reloc.cc (Read_relocs::run): Add task to process relocs and
9709         determine unreferenced sections when doing garbage collection.
9710         (Gc_process_relocs): New class.
9711         (Sized_relobj::do_gc_process_relocs): New function.
9712         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9713         sections that are garbage collected.
9714         * reloc.h (Gc_process_relocs): New class.
9715         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9716         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9717         symbols whose corresponding sections are garbage collected.
9718         (Symbol_table::Symbol_table): Add new parameter for the garbage
9719         collection object.
9720         (Symbol_table::gc_mark_undef_symbols): New function.
9721         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9722         (Symbol_table::gc_mark_dyn_syms): New function.
9723         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9724         as garbage.
9725         (Symbol_table::add_from_object): Likewise.
9726         (Symbol_table::add_from_relobj): When building shared objects, do not
9727         treat externally visible symbols as garbage.
9728         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9729         table information for static and relocatable links.
9730         * symtab.h (Symbol_table::set_gc): New function.
9731         (Symbol_table::gc): New function.
9732         (Symbol_table::gc_mark_undef_symbols): New function.
9733         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9734         (Symbol_table::gc_mark_dyn_syms): New function.
9735         (Symbol_table::gc_): New data member.
9736         * target.h (Sized_target::gc_process_relocs): New pure virtual
9737         function.
9738         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9739         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9740
9741 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9742
9743         * options.h (General_options::gc_sections): Define as a no-op for now.
9744         (General_options::no_keep_memory): Ditto.
9745         (General_options::Bshareable): Define.
9746         * options.cc (General_options::finalize): Honor -Bshareable.
9747
9748 2009-01-20  Andreas Schwab  <schwab@suse.de>
9749
9750         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9751         read the value in the contents, since we don't use it.  Use the
9752         template endianness when writing.
9753         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9754
9755 2009-01-19  Andreas Schwab  <schwab@suse.de>
9756
9757         * configure.tgt (powerpc64-*): Fix targ_obj.
9758
9759 2009-01-15  Ian Lance Taylor  <iant@google.com>
9760
9761         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9762         local symbols when stripping all symbols.
9763
9764 2009-01-14  Cary Coutant  <ccoutant@google.com>
9765
9766         * output.cc (Output_reloc): Add explicit instantiations.
9767
9768 2009-01-14  Cary Coutant  <ccoutant@google.com>
9769
9770         * archive.cc (Archive::get_elf_object_for_member): Remove call
9771         to File_read::claim_for_plugin.
9772         * descriptors.cc (Descriptors::open): Remove reference to
9773         is_claimed.
9774         (Descriptors::claim_for_plugin): Remove.
9775         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9776         (Descriptors::is_claimed): Remove.
9777         (claim_descriptor_for_plugin): Remove.
9778         * fileread.cc (File_read::claim_for_plugin): Remove.
9779         * fileread.h (File_read::claim_for_plugin): Remove.
9780         (File_read::descriptor): Reopen descriptor if necessary.
9781         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9782         (Plugin_manager::all_symbols_read): Add task parameter. Change
9783         all callers.
9784         (Plugin_manager::get_input_file): New function.
9785         (Plugin_manager::release_input_file): New function.
9786         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9787         corresponding data member.
9788         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9789         and pass to base constructor. Change all callers.
9790         (get_input_file, release_input_file): New functions.
9791         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9792         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9793         (Plugin_manager::all_symbols_read): Add task parameter.
9794         (Plugin_manager::get_input_file): New function.
9795         (Plugin_manager::release_input_file): New function.
9796         (Plugin_manager::task_): New data member.
9797         (Pluginobj::Pluginobj): Add filesize parameter.
9798         (Pluginobj::filename): New function.
9799         (Pluginobj::descriptor): New function.
9800         (Pluginobj::filesize): New function.
9801         (Pluginobj::filesize_): New data member.
9802         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9803         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9804         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9805
9806         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9807         with archive libraries.
9808         * testsuite/Makefile.in: Regenerate.
9809         * testsuite/plugin_test.c (struct sym_info): New type.
9810         (get_input_file, release_input_file): New static variables.
9811         (onload): Capture new transfer vector entries.
9812         (claim_file_hook): Stop reading at end of file according to filesize.
9813         Factor out parsing of readelf output into separate function.
9814         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9815         APIs and get the source file name from the symbol table.  Convert
9816         source file name to corresponding object file name.  Print info
9817         message when adding new input files.
9818         (parse_readelf_line): New function.
9819         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9820         * testsuite/plugin_test_2.sh: Likewise.
9821         * testsuite/plugin_test_3.sh: Likewise.
9822         * testsuite/plugin_test_4.sh: New test case.
9823
9824 2009-01-07  Ian Lance Taylor  <iant@google.com>
9825
9826         * version.cc (version_string): Bump to 1.8.
9827
9828 2008-12-23  Cary Coutant  <ccoutant@google.com>
9829
9830         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9831         * plugin.cc (Plugin_manager::finish): Rename as
9832         layout_deferred_objects.  Move cleanup to separate function.
9833         (Plugin_manager::cleanup): New function.
9834         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9835         separately.
9836         * plugin.h (Plugin_manager::finish): Rename as
9837         layout_deferred_objects.
9838         (Plugin_manager::cleanup): New function.
9839         (Plugin_manager::cleanup_done): New field.
9840
9841 2008-12-23  Cary Coutant  <ccoutant@google.com>
9842
9843         * plugin.cc (is_visible_from_outside): New function.
9844         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9845         so we don't return "IR only" status for exported symbols or -r links.
9846
9847         * testsuite/Makefile.am (plugin_test_3): New test case.
9848         * testsuite/Makefile.in: Regenerate.
9849         * testsuite/plugin_test_3.sh: New file.
9850
9851 2008-12-22  Cary Coutant  <ccoutant@google.com>
9852
9853         * object.cc (Sized_relobj::layout_section): New function.
9854         (Sized_relobj::do_layout): Defer layout of input sections until after
9855         plugin has provided replacement files.
9856         (Sized_relobj::do_layout_deferred_sections): New function.
9857         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9858         (Relobj::layout_deferred_sections): New function.
9859         (Relobj::do_layout_deferred_sections): New function.
9860         (Sized_relobj::do_layout_deferred_sections): New function.
9861         (Sized_relobj::layout_section): New function.
9862         (Sized_relobj::Deferred_layout): New structure.
9863         (Sized_relobj::deferred_layout_): New field.
9864         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9865         Change all callers.  Layout deferred sections.
9866         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9867         references.
9868         (Plugin_hook::run): Move code from do_plugin_hook inline.
9869         (Plugin_hook::do_plugin_hook): Remove.
9870         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9871         (Plugin_manager::finish): Renamed, was cleanup.
9872         (Plugin_manager::should_defer_layout): New function.
9873         (Plugin_manager::add_deferred_layout_object): New function.
9874         (Plugin_manager::Deferred_layout_list): New type.
9875         (Plugin_manager::deferred_layout_objects_): New field.
9876         (Plugin_hook::do_plugin_hook): Remove.
9877
9878 2008-12-17  Ian Lance Taylor  <iant@google.com>
9879
9880         * options.h (class General_options): Add --no case for
9881         --export-dynamic.
9882
9883 2008-12-16  Cary Coutant  <ccoutant@google.com>
9884
9885         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9886         vector.
9887         (Plugin_manager::claim_file): Create plugin object even if
9888         plugin did not call the add_symbols callback.
9889         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9890         asking for more symbols than were added.
9891         * testsuite/Makefile.am (plugin_test_1): Add test case with
9892         no global symbols.
9893         (empty.syms): New target.
9894         * testsuite/Makefile.in: Regenerate.
9895         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9896         message. Don't call add_symbols if no globals.
9897         (all_symbols_read_hook): Don't provide replacement for empty
9898         claimed file.
9899
9900 2008-12-12  Ian Lance Taylor  <iant@google.com>
9901
9902         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9903         r_type == 0 for a local symbol with r_sym == 0.
9904         (scan_relocatable_relocs): Pass r_sym to
9905         local_non_section_strategy.
9906         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9907         r_sym parameter.
9908
9909         * configure.ac: Update test for TLS descriptors: they are
9910         supported as of glibc 2.9.
9911         * configure: Rebuild.
9912
9913 2008-12-11  Ian Lance Taylor  <iant@google.com>
9914
9915         PR 7091
9916         * target-reloc.h (Default_scan_relocatable_relocs): For each
9917         function, map r_type == 0 to RELOC_DISCARD.
9918
9919 2008-12-10  Cary Coutant  <ccoutant@google.com>
9920
9921         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9922         object to override a kept COMDAT group from a plugin object.
9923
9924 2008-12-09  Ian Lance Taylor  <iant@google.com>
9925
9926         PR 7088
9927         * yyscript.y (file_cmd): Handle INPUT.
9928
9929         * testsuite/initpri1.c: Change all declarations to be full
9930         prototypes by adding void, to avoid compiler warnings.
9931
9932 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9933
9934         * options.cc (General_options::parse_plugin_opt): New.
9935         (General_options::add_plugin): The argument now is just the filename.
9936         (General_options::add_plugin_option): New.
9937         * options.h (plugin_opt): New.
9938         (add_plugin): Change argument name.
9939         (add_plugin_option): New.
9940         * plugin.cc (Plugin::load): Don't parse the plugin option.
9941         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9942         (Plugin::add_option): New.
9943         (Plugin::args_): Change type.
9944         (Plugin::filename_): New.
9945         (Plugin_manager::add_plugin_option): New.
9946         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9947         * testsuite/Makefile.in: Regenerate.
9948
9949 2008-12-05  Cary Coutant  <ccoutant@google.com>
9950
9951         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9952         Handle --strip-lto-sections option.
9953         * options.h (strip_lto_sections): New option.
9954
9955 2008-12-01  Cary Coutant  <ccoutant@google.com>
9956
9957         * plugin.cc (ld_plugin_message): Change format parameter to const.
9958         Fix mismatch between new[] and delete.
9959
9960 2008-11-14  Cary Coutant  <ccoutant@google.com>
9961
9962         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9963         instead of -1U.
9964
9965 2008-11-05  Craig Silverstein  <csilvers@google.com>
9966
9967         * options.cc (General_options::parse_dynamic_list): New function.
9968         * options.h (General_options): New flags dynamic_list,
9969         dynamic_list_data, dynamic_list_cpp_new, and
9970         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9971         (General_options::in_dynamic_list): New function.
9972         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9973         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9974         (Lex::can_continue_name): Likewise.
9975         (yylex): Likewise.
9976         (read_script_file): New parameter script_options.
9977         (read_dynamic_list): New function.
9978         (Script_options::define_dynamic_list): New function.
9979         (dynamic_list_keyword_parsecodes): New variable.
9980         (dynamic_list_keywords): New variable.
9981         * script.h (Script_options::define_dynamic_list): New function
9982         prototype.
9983         (read_dynamic_list): New function prototype.
9984         * symtab.cc (strprefix): New macro.
9985         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9986         dynamic_list_data, dynamic_list_cpp_new, and
9987         dynamic_list_cpp_typeinfo.
9988         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9989         (dynamic_list_expr): New rule.
9990         (dynamic_list_nodes): Likewise.
9991         (dynamic_list_node): Likewise.
9992         * testsuite/Makefile.am (dynamic_list): New test.
9993         * testsuite/Makefile.in: Regenerated.
9994         * testsuite/dynamic_list.t: New file.
9995         * testsuite/dynamic_list.sh: New file.
9996
9997 2008-11-05  Craig Silverstein  <csilvers@google.com>
9998
9999         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10000         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10001         (t11_last): Likewise.
10002         * testsuite/ver_test_6.c (main): Likewise.
10003
10004 2008-10-07  Cary Coutant  <ccoutant@google.com>
10005
10006         * options.c (General_options::finalize): Add check for -static and
10007         -shared.
10008         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10009         is not empty.
10010
10011 2008-10-02  Cary Coutant  <ccoutant@google.com>
10012
10013         * plugin.cc (make_sized_plugin_object): Fix conditional
10014         compilation to work when not all targets are enabled.
10015
10016 2008-09-29  Cary Coutant  <ccoutant@google.com>
10017
10018         * archive.cc (Archive::get_file_and_offset): Use filename instead
10019         of name to get library path.
10020         (Archive::include_member): Unlock external member of a thin archive.
10021
10022         * testsuite/Makefile.am (TEST_AR): New variable.
10023         (thin_archive_test_1): New test.
10024         (thin_archive_test_2): New test.
10025         * testsuite/Makefile.in: Regenerate.
10026         * testsuite/thin_archive_main.cc: New file.
10027         * testsuite/thin_archive_test_1.cc: New file.
10028         * testsuite/thin_archive_test_2.cc: New file.
10029         * testsuite/thin_archive_test_3.cc: New file.
10030         * testsuite/thin_archive_test_4.cc: New file.
10031
10032 2008-09-29  Cary Coutant  <ccoutant@google.com>
10033
10034         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10035         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10036         instead of -1U.
10037         (Sized_relobj::do_finalize_local_symbols): Likewise.
10038         (Sized_relobj::map_to_kept_section): Likewise.
10039         * object.h (Sized_relobj::invalid_address): New constant.
10040         (Sized_relobj::do_output_section_offset): Check for invalid_address
10041         and return -1ULL.
10042         * output.cc (Output_reloc::local_section_offset): Use constant
10043         invalid_address instead of -1U.
10044         (Output_reloc::get_address): Likewise.
10045         (Output_section::output_address): Change -1U to -1ULL.
10046         * output.h (Output_reloc::invalid_address): New constant.
10047         * reloc.cc (Sized_relobj::write_sections): Use constant
10048         invalid_address instead of -1U.
10049         (Sized_relobj::relocate_sections): Likewise.
10050         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10051         values for merge sections.
10052         * target-reloc.h (relocate_for_relocatable): Use constant
10053         invalid_address instead of -1U.
10054
10055 2008-09-19  Cary Coutant  <ccoutant@google.com>
10056
10057         Add plugin functionality for link-time optimization (LTO).
10058         * configure.ac (plugins): Add --enable-plugins option.
10059         * configure: Regenerate.
10060         * config.in: Regenerate.
10061         * Makefile.am (LIBDL): New variable.
10062         (CCFILES): Add plugin.cc.
10063         (HFILES): Add plugin.h.
10064         (ldadd_var): Add LIBDL.
10065         * Makefile.in: Regenerate.
10066
10067         * archive.cc: Include "plugin.h".
10068         (Archive::setup): Don't preread archive symbols when using a plugin.
10069         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10070         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10071         files.
10072         (Archive::include_member): Add symbols from plugin objects.
10073         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10074         * descriptors.cc (Descriptors::open): Check for file descriptors
10075         abandoned by plugins.
10076         (Descriptors::claim_for_plugin): New function.
10077         * descriptors.h (Descriptors::claim_for_plugin): New function.
10078         (Open_descriptor::is_claimed): New field.
10079         (claim_descriptor_for_plugin): New function.
10080         * fileread.cc (File_read::claim_for_plugin): New function.
10081         * fileread.h (File_read::claim_for_plugin): New function.
10082         (File_read::descriptor): New function.
10083         * gold.cc: Include "plugin.h".
10084         (queue_initial_tasks): Add task to call plugin hooks for generating
10085         new object files.
10086         * main.cc: Include "plugin.h".
10087         (main): Load plugin libraries.
10088         * object.h (Pluginobj): Declare.
10089         (Object::pluginobj): New function.
10090         (Object::do_pluginobj): New function.
10091         (Object::set_target): New function.
10092         * options.cc: Include "plugin.h".
10093         (General_options::parse_plugin): New function.
10094         (General_options::General_options): Initialize plugins_ field.
10095         (General_options::add_plugin): New function.
10096         * options.h (Plugin_manager): Declare.
10097         (General_options): Add --plugin option.
10098         (General_options::has_plugins): New function.
10099         (General_options::plugins): New function.
10100         (General_options::add_plugin): New function.
10101         (General_options::plugins_): New field.
10102         * plugin.cc: New file.
10103         * plugin.h: New file.
10104         * readsyms.cc: Include "plugin.h".
10105         (Read_symbols::do_read_symbols): Check for archive before checking
10106         for ELF file.  Call plugin hooks to claim files.
10107         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10108         from a real object file; force override when processing replacement
10109         files.
10110         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10111         (Symbol::init_base_object): Likewise.
10112         (Symbol::init_base_output_data): Likewise.
10113         (Symbol::init_base_output_segment): Likewise.
10114         (Symbol::init_base_constant): Likewise.
10115         (Symbol::init_base_undefined): Likewise.
10116         (Symbol::output_section): Assert that object is not a plugin.
10117         (Symbol_table::add_from_pluginobj): New function.
10118         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10119         undefined.
10120         (Symbol_table::sized_write_globals): Likewise.
10121         (Symbol_table::add_from_pluginobj): Instantiate template.
10122         * symtab.h (Sized_pluginobj): Declare.
10123         (Symbol::in_real_elf): New function.
10124         (Symbol::set_in_real_elf): New function.
10125         (Symbol::in_real_elf_): New field.
10126         (Symbol_table::add_from_pluginobj): New function.
10127
10128         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10129         (LIBDL): New variable.
10130         (LDADD): Add LIBDL.
10131         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10132         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10133         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10134         (MOSTLYCLEANFILES): Likewise.
10135         * testsuite/Makefile.in: Regenerate.
10136         * testsuite/plugin_test.c: New file.
10137         * testsuite/plugin_test_1.sh: New file.
10138         * testsuite/plugin_test_2.sh: New file.
10139
10140 2008-09-16  Ian Lance Taylor  <iant@google.com>
10141
10142         * target-reloc.h (relocate_section): Check whether a symbol is
10143         defined by the ABI before reporting an undefined symbol error.
10144         * target.h (Target::is_defined_by_abi): Make parameter const.
10145         (Target::do_is_defined_by_abi): Likewise.
10146         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10147         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10148         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10149         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10150         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10151         * testsuite/Makefile.in: Rebuild.
10152
10153         * fileread.cc (make_view): Add casts to avoid warning.
10154
10155 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10156
10157         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10158         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10159
10160 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10161
10162         * options.h (General_options::output_is_executable): New.
10163         (General_options::output_is_pie): New.
10164         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10165         for shared libraries.
10166         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10167
10168 2008-09-11  Chris Demetriou  <cgd@google.com>
10169
10170         * options.h (origin): New -z option.
10171         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10172         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10173         in DT_FLAGS_1.
10174
10175 2008-09-05  Cary Coutant  <ccoutant@google.com>
10176
10177         * fileread.cc (File_read::make_view): Add check for attempt to map
10178         beyond end of file.
10179
10180 2008-09-05  Cary Coutant  <ccoutant@google.com>
10181
10182         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10183         explicit instantiations.
10184
10185 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10186
10187         PR gold/6858
10188         * options.cc (General_options::finalize): Allow undefined symbols
10189         in shlibs if linking -shared.
10190
10191         PR gold/6859
10192         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10193         symbols as not needing a dynsym entry.
10194
10195 2008-08-20  Craig Silverstein  <csilvers@google.com>
10196
10197         * fileread.cc (File_read::open): Do not lock the file unless it
10198         was successfully opened.
10199
10200 2008-08-14  Cary Coutant  <ccoutant@google.com>
10201
10202         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10203         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10204         * testsuite/tls_test.cc (struct int128): 128-bit struct
10205         for testing TLS relocs with non-zero addend.
10206         (v12): New TLS variable.
10207         (t12): New test.
10208         (t_last): Add check for v12.
10209         * testsuite/tls_test.h (t12): New function.
10210         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10211
10212 2008-08-13  Ian Lance Taylor  <iant@google.com>
10213
10214         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10215         set tls_segment_ or relro_segment_.
10216         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10217         when appropriate.
10218         * output.h (Output_section::clear_is_relro): New function.
10219         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10220         sections specially even when output_data_ is empty.
10221         (Output_segment::maximum_alignment): When first section is relro,
10222         only force alignment for PT_LOAD segments.
10223         * script.cc (script_data_segment_align): New function.
10224         (script_data_segment_relro_end): New function.
10225         * script-c.h (script_data_segment_align): Declare.
10226         (script_data_segment_relro_end): Declare.
10227         * script-sections.h (class Script_sections): Declare
10228         data_segment_align and data_segment_relro_end.  Add fields
10229         segment_align_index_ and saw_relro_end_.
10230         * script-sections.cc (class Sections_element): Add set_is_relro
10231         virtual function.  Add new bool* parameter to place_orphan_here.
10232         Add get_output_section virtual function.
10233         (class Output_section_definition): Add set_is_relro.  Add new
10234         bool* parameter to place_orphan_here.  Add get_output_section.
10235         Add is_relro_ field.
10236         (Output_section_definition::Output_section_definition): Initialize
10237         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10238         and is_relro_ fields.
10239         (Output_section_definition::place_orphan_here): Add is_relro
10240         parameter.
10241         (Output_section_definition::set_section_addresses): Set relro for
10242         output section.
10243         (Output_section_definition::alternate_constraint): Likewise.
10244         (class Orphan_output_section): Add new bool* parameter to
10245         place_orphan_here.  Add get_output_section.
10246         (Orphan_output_section::place_orphan_here): Add is_relro
10247         parameter.
10248         (Script_sections::Script_sections): Initialize
10249         data_segment_align_index_ and saw_relro_end_.
10250         (Script_sections::data_segment_align): New function.
10251         (Script_sections::data_segment_relro_end): New function.
10252         (Script_sections::place_orphan): Set or clear is_relro.
10253         (Script_sections::set_section_addresses): Force alignment of first
10254         TLS section.
10255         * yyscript.y (exp): Call script_data_segment_align and
10256         script_data_segment_relro_end.
10257         * testsuite/relro_script_test.t: New file.
10258         * testsuite/relro_test.cc (using_script): Declare.
10259         (t1, t2): Test using_script.
10260         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10261         (relro_script_test_SOURCES): Define.
10262         (relro_script_test_DEPENDENCIES): Define.
10263         (relro_script_test_LDFLAGS): Define.
10264         (relro_script_test_LDADD): Define.
10265         (relro_script_test.so): New target.
10266         * testsuite/Makefile.in: Rebuild.
10267
10268 2008-08-06  Cary Coutant <ccoutant@google.com>
10269
10270         * archive.cc (Archive::total_archives, Archive::total_members)
10271         (Archive::total_members_loaded): New variables.
10272         (Archive::setup): Add parameter.  Add option to preread
10273         archive symbols.
10274         (Archive::read_armap): Add counter.
10275         (Archive::get_file_and_offset): New function.
10276         (Archive::get_elf_object_for_member): New function.
10277         (Archive::read_all_symbols): New function.
10278         (Archive::read_symbols): New function.
10279         (Archive::add_symbols): Add counters.
10280         (Archive::include_all_members): Use armap to find members if it's
10281         already built.
10282         (Archive::include_member): Skip reading symbols if already read.
10283         Factored code into Archive::get_file_and_offset and
10284         Archive::get_elf_object_for_member.  Changed call to
10285         Mapfile::report_include_archive_member.
10286         (Archive::print_stats): New function.
10287         * archive.h: Declare Object and Read_symbols_data classes.
10288         (Archive::Archive): Add initializers for new members.
10289         (Archive::setup): Add parameter.
10290         (Archive::print_stats): New function.
10291         (Archive::total_archives, Archive::total_members)
10292         (Archive::total_members_loaded): New variables.
10293         (Archive::get_file_and_offset): New function.
10294         (Archive::get_elf_object_for_member): New function.
10295         (Archive::read_all_symbols): New function.
10296         (Archive::read_symbols): New function.
10297         (Archive::Archive_member): New class.
10298         (Archive::members_): New member.
10299         (Archive::num_members_): New member.
10300         * main.cc: Include archive.h.
10301         (main): Call Archive::print_stats.
10302         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10303         archive parameter; member_name is now the fully-decorated name.
10304         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10305         * options.h: (General_options): Add --preread-archive-symbols option.
10306         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10307         Archive::setup.
10308
10309 2008-08-04  Ian Lance Taylor  <iant@google.com>
10310
10311         * symtab.h (Symbol::use_plt_offset): New function.
10312         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10313         * powerpc.cc (Relocate::relocate): Likewise.
10314         * sparc.cc (Relocate::relocate): Likewise.
10315         * x86_64.cc (Relocate::relocate): Likewise.
10316         * testsuite/weak_plt.sh: New test.
10317         * testsuite/weak_plt_main.cc: New test.
10318         * testsuite/weak_plt_shared.cc: New test.
10319         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10320         (check_PROGRAMS): Add weak_plt.
10321         (check_DATA): Add weak_plt_shared.so.
10322         (weak_plt_main_pic.o, weak_plt): New targets.
10323         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10324         * testsuite/Makefile.in: Rebuild.
10325
10326         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10327         gcctestdir/ld.
10328         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10329         * testsuite/Makefile.in: Rebuild.
10330
10331 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10332
10333         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10334         * Makefile.in: Regenerate.
10335         * po/POTFILES.in: Regenerate.
10336
10337 2008-07-29  Ian Lance Taylor  <iant@google.com>
10338
10339         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10340         symbols before other symbols.
10341         * testsuite/script_test_2.cc (test_addr): Declare.
10342         (test_addr_alias): Declare.
10343         (main): Check that test_addr and test_addr_alias have the right
10344         values.
10345         * testsuite/script_test_2.t: Define test_addr_alias and
10346         test_addr.
10347
10348 2008-07-24  Ian Lance Taylor  <iant@google.com>
10349
10350         PR 5990
10351         * descriptors.cc: New file.
10352         * descriptors.h: New file.
10353         * gold-threads.h (class Hold_optional_lock): New class.
10354         * fileread.cc: Include "descriptors.h".
10355         (File_read::~File_read): Release descriptor rather than closing
10356         it.
10357         (File_read::open) [file]: Call open_descriptor rather than open.
10358         Set is_descriptor_opened_.
10359         (File_read::open) [memory]: Assert that descriptor is not open.
10360         (File_read::reopen_descriptor): New function.
10361         (File_read::release): Release descriptor.
10362         (File_read::do_read): Make non-const.  Reopen descriptor.
10363         (File_read::read): Make non-const.
10364         (File_read::make_view): Reopen descriptor.
10365         (File_read::do_readv): Likewise.
10366         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10367         Update declarations.
10368         * layout.cc: Include "descriptors.h".
10369         (Layout::create_build_id): Use open_descriptor rather than open.
10370         * output.cc: Include "descriptors.h".
10371         (Output_file::open): Use open_descriptor rather than open.
10372         * archive.cc (Archive::const_iterator): Change Archive to be
10373         non-const.
10374         (Archive::begin, Archive::end): Make non-const.
10375         (Archive::count_members): Likewise.
10376         * archive.h (class Archive): Update declarations.
10377         * object.h (Object::read): Make non-const.
10378         * Makefile.am (CCFILES): Add descriptors.cc.
10379         (HFILES): Add descriptors.h.
10380         * Makefile.in: Rebuild.
10381
10382         PR 6716
10383         * gold.h: Always include <clocale>.  Add Solaris workarounds
10384         following code in binutils/sysdep.h.
10385
10386         PR 6048
10387         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10388         this->eh_frame_hdr_ is NULL before using it.
10389
10390         * dynobj.cc (Versions::Versions): Update comment.
10391
10392         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10393         the base version name.
10394
10395         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10396         array size plus one.
10397         (Stringpool_template::set_string_offsets): Subtract one from key
10398         before using it as an array index.
10399         (Stringpool_template::get_offset_with_length): Likewise.
10400         (Stringpool_template::write_to_buffer): Likewise.
10401         * stringpool.h (Stringpool_template::get_offset_from_key):
10402         Likewise.
10403
10404 2008-07-23  Ian Lance Taylor  <iant@google.com>
10405
10406         PR 6658
10407         * object.h (Merged_symbol_value::value): Do our best to handle a
10408         negative addend.
10409
10410         PR 6647
10411         * script.cc (Version_script_info::get_versions): Don't add empty
10412         version tag to return value.
10413         (Version_script_info::get_symbol_version_helper): Change return
10414         type to bool.  Add pversion parameter.  Change all callers.
10415         (script_register_vers_node): Don't require a non-NULL tag.
10416         * script.h (class Version_script_info): Update declarations.
10417         (Version_script_info::get_symbol_version): Change return type to
10418         bool.  Add version parameter.  Change all callers.
10419         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10420         handling.  Handle an empty version from a version script.
10421         (Symbol_table::define_special_symbol): Likewise.
10422         * testsuite/ver_test_10.script: New file.
10423         * testsuite/ver_test_10.sh: New file.
10424         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10425         (check_DATA): Add ver_test_10.syms.
10426         (ver_test_10.syms, ver_test_10.so): New target.
10427         * testsuite/Makefile.in: Rebuild.
10428
10429 2008-07-23  Simon Baldwin  <simonb@google.com>
10430
10431         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10432         to zero for undefined symbols from dynamic libraries.
10433
10434 2008-07-23  Ian Lance Taylor  <iant@google.com>
10435
10436         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10437         Change all callers.
10438         * symtab.h (class Symbol_table): Update declaration.
10439         * testsuite/ver_test_9.cc: New file.
10440         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10441         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10442         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10443         (ver_test_9.so, ver_test_9.o): New targets.
10444         * testsuite/Makefile.in: Rebuild.
10445
10446 2008-07-22  Ian Lance Taylor  <iant@google.com>
10447
10448         * options.h (class General_options): Define --check-sections.
10449         * layout.cc (Layout::set_segment_offsets): Handle
10450         --check-sections.
10451
10452         * options.h (class General_options): Define -n/--nmagic and
10453         -N/--omagic.
10454         * options.cc (General_options::finalize): For -n/--nmagic or
10455         -N/--omagic, set -static.
10456         * layout.cc (Layout::attach_allocated_section_to_segment): If
10457         -N/--omagic, don't put read-only and read-write sections in
10458         different segments.
10459         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10460         finding a read-only segment.
10461         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10462         don't set the minimum segment alignment to the common page size,
10463         and don't set the file offset to the address modulo the page size.
10464         * script-sections.cc (Script_sections::create_segments): If
10465         -n/--omagic, don't put read-only and read-write sections in
10466         different segments.
10467
10468         * cref.cc: New file.
10469         * cref.h: New file.
10470         * options.h (class General_options): Add --print-symbol-counts.
10471         * main.cc (main): Issue defined symbol report if requested.
10472         * archive.cc (Archive::interpret_header): Make into a const member
10473         function.
10474         (Archive::add_symbols): Call Input_objects::archive_start and
10475         archive_stop.
10476         (Archive::const_iterator): Define new class.
10477         (Archive::begin, Archive::end): New functions.
10478         (Archive::include_all_members): Rewrite to use iterator.
10479         (Archive::count_members): New function.
10480         * archive.h (class Archive): Update declarations.
10481         (Archive::filename): New function.
10482         * object.cc: Include "cref.h".
10483         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10484         (Sized_relobj::do_get_global_symbol_counts): New function.
10485         (Input_objects::add_object): Add object to cross-referencer.
10486         (Input_objects::archive_start): New function.
10487         (Input_objects::archive_stop): New function.
10488         (Input_objects::print_symbol_counts): New function.
10489         * object.h: Declare Cref and Archive.
10490         (Object::get_global_symbol_counts): New function.
10491         (Object::do_get_global_symbol_counts): New pure virtual function.
10492         (class Sized_relobj): Add defined_count_ field.  Update
10493         declarations.
10494         (class Input_objects): Add cref_ field.  Update constructor.
10495         Update declarations.
10496         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10497         defined_count_.
10498         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10499         symbol counts.
10500         (Sized_dynobj::do_get_global_symbol_counts): New function.
10501         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10502         defined_count_.  Update declarations.  Define Symbols typedef.
10503         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10504         parameter.  Change all callers.
10505         (Symbol_table::add_from_dynobj): Add sympointers and defined
10506         parameters.  Change all callers.
10507         * symtab.h (class Symbol_table): Update declarations.
10508         * Makefile.am (CCFILES): Add cref.cc.
10509         (HFILES): Add cref.h.
10510         * Makefile.in: Rebuild.
10511
10512 2008-07-22  Simon Baldwin  <simonb@google.com>
10513
10514         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10515         to zero when writing undefined symbols.
10516
10517 2008-07-22  Ian Lance Taylor  <iant@google.com>
10518
10519         * output.cc (Output_section::add_input_section): Don't try to
10520         merge empty merge sections.
10521
10522 2008-07-21  Craig Silverstein  <csilvers@google.com>
10523
10524         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10525         Include symbol version in error message.
10526
10527 2008-07-20  Chris Demetriou  <cgd@google.com>
10528
10529         * configure.ac (gold_cv_c_random_seed): New configured variable.
10530         (RANDOM_SEED_CFLAGS): New substituted variable.
10531         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10532         * configure: Rebuild.
10533         * Makefile.in: Likewise.
10534         * testsuite/Makefile.in: Likewise.
10535
10536 2008-07-18  Ian Lance Taylor  <iant@google.com>
10537
10538         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10539         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10540         * testsuite/ver_test_main.cc (main): Call t4.
10541         (t4, t4_2a): Define.
10542         * testsuite/ver_test_2.cc (t4_2): Define.
10543         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10544         * testsuite/ver_test_4.cc (t4_2a): Define.
10545         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10546         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10547
10548 2008-07-17  Ian Lance Taylor  <iant@google.com>
10549
10550         * dynobj.cc (Versions::add_def): If we give an error about a
10551         missing version, go ahead and create the version anyhow.
10552
10553 2008-07-10  Ian Lance Taylor  <iant@google.com>
10554
10555         Handle output sections with more than 0x7fffffff bytes.
10556         * object.h (class Relobj): Change map_to_output_ to
10557         output_sections_, and just keep a section pointer.  Change all
10558         uses.  Move comdat group support to Sized_relobj.
10559         (Relobj::is_section_specially_mapped): Remove.
10560         (Relobj::output_section): Remove poff parameter.  Change all
10561         callers.
10562         (Relobj::output_section_offset): New function.
10563         (Relobj::set_section_offset): Rewrite.
10564         (Relobj::map_to_output): Remove.
10565         (Relobj::output_sections): New function.
10566         (Relobj::do_output_section_offset): New pure virtual function.
10567         (Relobj::do_set_section_offset): Likewise.
10568         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10569         group support from Relobj.  Update declarations.
10570         (Sized_relobj::get_output_section_offset): New function.
10571         (Sized_relobj::do_output_section_offset): New function.
10572         (Sized_relobj::do_set_section_offset): New function.
10573         * object.cc (Relobj::output_section_address): Remove.
10574         (Sized_relobj::Sized_relobj): Initialize new fields.
10575         (Sized_relobj::include_section_group): Cast find_kept_object to
10576         Sized_relobj.
10577         (Sized_relobj::include_linkonce_section): Likewise.
10578         (Sized_relobj::do_layout): Use separate arrays for output section
10579         and output offset.
10580         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10581         output_sections.
10582         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10583         output_sections and section_offsets.
10584         (Sized_relobj::write_local_symbols): Likewise.
10585         (map_to_kept_section): Compute output address directly.
10586         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10587         output_sections and section_offsets.
10588         (Sized_relobj::write_sections): Likewise.
10589         (Sized_relobj::relocate_sections): Likewise.
10590         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10591         * output.h (class Output_reloc): Update declarations.  Change
10592         u2_.relobj to Sized_relobj*.
10593         (class Output_data_reloc): Change add functions to use
10594         Sized_relobj*.
10595         * output.cc (Output_reloc::Output_reloc): Change relobj to
10596         Sized_relobj*.
10597         (Output_reloc::local_section_offset): Change return type to
10598         Elf_Addr.  Use get_output_section_offset.
10599         (Output_reloc::get_address): Likewise.
10600         (Output_section::is_input_address_mapped): Don't call
10601         is_section_specially_mapped.
10602         (Output_section::output_offset): Likewise.
10603         (Output_section::output_address): Likewise.
10604         (Output_section::starting_output_address): Likewise.
10605         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10606         parameter to Sized_relobj*.
10607         (Copy_relocs::need_copy_reloc): Likewise.
10608         (Copy_relocs::save): Likewise.
10609         * copy-relocs.h (class Copy_relocs): Update declarations.
10610         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10611         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10612         * target-reloc.h (relocate_for_relocatable): Change
10613         offset_in_output_section type to Elf_Addr.  Change code that uses
10614         it as well.
10615         * layout.cc (Layout::layout): Always set *off.
10616         * mapfile.cc (Mapfile::print_input_section): Use
10617         output_section_offset.
10618         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10619         Sized_relobj*.
10620         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10621         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10622         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10623
10624 2008-07-03  Ian Lance Taylor  <iant@google.com>
10625
10626         * layout.cc (Layout::include_section): Do not discard unrecognized
10627         SHT_STRTAB sections.
10628
10629 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10630
10631         * script.cc (Lex::can_continue_name): Make '?' allowable in
10632         version-script names.
10633         * testsuite/version_script.map: Change glob pattern to use '?'
10634
10635 2008-06-30  Manish Singh  <yosh@gimp.org>
10636
10637         PR 6585
10638         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10639         Correct typo.
10640
10641 2008-06-30  Ian Lance Taylor  <iant@google.com>
10642
10643         PR 6660
10644         PR 6682
10645         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10646         versions]: Don't try to read the value in the contents, since we
10647         don't use it.  Use the template endianness when writing.
10648
10649 2008-06-25  Cary Coutant  <ccoutant@google.com>
10650
10651         * fileread.cc (File_read::make_view): Assert on zero-length view.
10652         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10653         symbol table when there are no symbols to read.
10654
10655 2008-06-23  Craig Silverstein  <csilvers@google.com>
10656
10657         * version.cc (version_string): Bump to 1.7
10658
10659 2008-06-18  Craig Silverstein  <csilvers@google.com>
10660
10661         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10662         constant 0xFFFF to type Valtype.
10663         (Powerpc_relocate_functions::rel16_ha): Likewise.
10664
10665 2008-06-17  Ian Lance Taylor  <iant@google.com>
10666
10667         * output.h (Output_section::Input_section): Initialize p2align_ to
10668         zero for Output_section_data constructors.
10669         (Output_section::Input_section::addralign): If not an input
10670         section, return the alignment of the Output_section_data.
10671         * testsuite/copy_test.cc: New file.
10672         * testsuite/copy_test_1.cc: New file.
10673         * testsuite/copy_test_2.cc: New file.
10674         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10675         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10676         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10677         (copy_test_1_pic.o, copy_test_1.so): New targets.
10678         (copy_test_2_pic.o, copy_test_2.so): New targets.
10679         * testsuite/Makefile.in: Rebuild.
10680
10681         * script-sections.cc (Script_sections::place_orphan): Initialize
10682         local variable exact.
10683
10684 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10685
10686         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10687
10688 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10689             David S. Miller  <davem@davemloft.net>
10690
10691         * powerpc.cc: New file.
10692         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10693         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10694         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10695         * Makefile.in: Rebuild.
10696
10697 2008-06-09  Ian Lance Taylor  <iant@google.com>
10698
10699         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10700         <exception>.
10701         (throwing, orig_terminate): New static variables.
10702         (terminate_handler): New static function.
10703         (t2): Set terminate handler.
10704
10705 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10706
10707         PR 6584
10708         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10709         alignment.
10710
10711 2008-05-30  Cary Coutant  <ccoutant@google.com>
10712
10713         * archive.cc (Archive::include_all_members) Correct to step
10714         over symbol table and extended name table in thin archives.
10715
10716 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10717
10718         PR 6407
10719         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10720         calculation.
10721
10722 2008-05-28  Caleb Howe  <cshowe@google.com>
10723
10724         * reduced_debug_output.cc: New file.
10725         * reduced_debug_output.h: New file.
10726         * options.h (class General_options): Add --strip-debug-non-line.
10727         * options.cc (General_options::finalize): Add strip_debug_non_line
10728         to the strip heirarchy.
10729         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10730         fields.
10731         * layout.cc: Include "reduced_debug_output.h".
10732         (Layout::Layout): Initialize new fields.
10733         (line_only_debug_sections): New static array.
10734         (is_lines_only_debug_sections): New static inline function.
10735         (Layout::include_section): Handle --strip-debug-non-line.
10736         (Layout::make_output_section): If --strip-debug-non-line, build
10737         new output sections for .debug_abbrev and .debug_info.
10738         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10739         gold.  Warn about possible overflow.
10740         (read_signed_LEB_128): Likewise.
10741         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10742         (read_signed_LEB_128): Declare.
10743         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10744         (HFILES): Add reduced_debug_output.h.
10745         * Makefile.in: Rebuild.
10746
10747 2008-05-21  Ian Lance Taylor  <iant@google.com>
10748
10749         * mapfile.cc: New file.
10750         * mapfile.h: New file.
10751         * options.h (class General_options): Add -M/--print-map and -Map.
10752         * options.cc (General_options::finalize): Make -M equivalent to
10753         -Map -.
10754         * main.cc: Include <cstdio> and "mapfile.h".
10755         (main): Open mapfile if requested.
10756         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10757         constructor.  Change caller.
10758         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10759         (queue_middle_tasks): Likewise.
10760         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10761         declarations.
10762         * archive.cc: Include "mapfile.h".
10763         (Archive::add_symbols): Add mapfile parameter.  Change all
10764         callers.  Pass mapfile, symbol, and reason to include_member.
10765         (Archive::include_all_members): Add mapfile parameter.  Change all
10766         callers.
10767         (Archive::include_member): Add mapfile, sym, and why parameters.
10768         Change all callers.  Report inclusion to map file.
10769         * archive.h: Include "fileread.h".
10770         (class Archive): Update declarations.
10771         (Archive::file): New const method.
10772         (class Add_archive_symbols): Add mapfile_ field.  Update
10773         constructor.  Change all callers.
10774         * readsyms.h (class Read_symbols): Likewise.
10775         (class Finish_group): Likewise.
10776         (class Read_script): Likewise.
10777         * common.cc: Include "mapfile.h".
10778         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10779         all callers.
10780         (Symbol_table::do_allocate_commons): Likewise.
10781         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10782         symbol allocation to mapfile.
10783         * common.h (class Allocate_commons_task): Add mapfile_ field.
10784         Update constructor.  Change all callers.
10785         * symtab.h (class Symbol_table): Update declarations.
10786         * layout.cc: Include "mapfile.h".
10787         (Layout_task_runner::run): Print information to mapfile.
10788         (Layout::create_gold_note): Change Output_data_fixed_space to
10789         Output_data_zero_fill.
10790         (Layout::create_build_id): Likewise.
10791         (Layout::print_to_mapfile): New function.
10792         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10793         constructor.  Change caller.
10794         (class Layout): Declare print_to_mapfile.
10795         * output.cc (Output_section::Input_section::print_to_mapfile): New
10796         function.
10797         (Output_section::add_input_section): If producing a map, always
10798         add to input_sections_ list.
10799         (Output_section::do_print_to_mapfile): New function.
10800         (Output_segment::print_sections_to_mapfile): New function.
10801         (Output_segment::print_section_list_to_mapfile): New function.
10802         * output.h: Include "mapfile.h".
10803         (Output_data::print_to_mapfile): New function.
10804         (Output_data::do_print_to_mapfile): New virtual function.
10805         (Output_segment_headers::do_print_to_mapfile): New function.
10806         (Output_file_header::do_print_to_mapfile): New function.
10807         (Output_data_const::do_print_to_mapfile): New function.
10808         (class Output_data_const_buffer): Add map_name_ field.  Update
10809         constructor.  Change all callers.  Add do_print_to_mapfile
10810         function.
10811         (class Output_data_fixed_space): Likewise.
10812         (class Output_data_space): Likewise.
10813         (class Output_data_zero_fill): New class.
10814         (Output_data_strtab::do_print_to_mapfile): New function.
10815         (Output_data_reloc_base::do_print_to_mapfile): New function.
10816         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10817         (Output_data_group::do_print_to_mapfile): New function.
10818         (Output_data_got::do_print_to_mapfile): New function.
10819         (Output_data_dynamic::do_print_to_mapfile): New function.
10820         (Output_symtab_xindex::do_print_to_mapfile): New function.
10821         (class Output_section): Declare do_print_to_mapflie.  Declare
10822         print_to_mapfile in Input_section.
10823         (class Output_segment): Declare new functions.
10824         * object.h (Sized_relobj::symbol_count): New function.
10825         * script-sections.cc
10826         (Output_section_element_dot_assignment::set_section_addresses):
10827         Change Output_data_fixed_space to Output_data_zero_fill.
10828         (Output_data_expression::do_print_to_mapfile): New function.
10829         * script.cc (read_input_script): Add mapfile parameter.  Change
10830         all callers.
10831         * script.h (read_input_script): Update declaration.
10832         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10833         (Eh_frame::do_print_to_mapfile): New function.
10834         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10835         (Output_merge_string::do_print_to_mapfile): New function.
10836         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10837         function.
10838         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10839         function.
10840         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10841         function.
10842         * Makefile.am (CCFILES): Add mapfile.cc.
10843         (HFILES): Add mapfile.h.
10844         * Makefile.in: Rebuild.
10845
10846 2008-05-19  Ian Lance Taylor  <iant@google.com>
10847
10848         * options.h (class General_options): Add -z relro.
10849         * layout.cc (Layout::Layout): Initialize relro_segment_.
10850         (Layout::add_output_section_data): Return the output section.
10851         (Layout::make_output_section): Rcognize relro sections and mark
10852         them appropriately.
10853         (Layout::attach_allocated_section_to_segment): Put relro sections
10854         in a PT_GNU_RELRO segment.
10855         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10856         section as relro.
10857         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10858         PT_TLS segments.
10859         (Layout::linkonce_mapping): Map d.rel.ro.local to
10860         .data.rel.ro.local.
10861         (Layout::output_section_name): Us .data.rel.ro.local for any
10862         section which begins with that.
10863         * layout.h (class Layout): Update add_output_section_data
10864         declaration.  Add relro_segment_ field.
10865         * output.cc (Output_section::Output_section): Initialize is_relro_
10866         and is_relro_local_ fields.
10867         (Output_segment::add_output_section): Group relro sections.
10868         (Output_segment::is_first_section_relro): New function.
10869         (Output_segment::maximum_alignment): If there is a relro section,
10870         align the segment to the common page size.
10871         (Output_segment::set_section_addresses): Track whether we are
10872         looking at relro sections.  If the last section is a relro
10873         section, align to the common page size.
10874         (Output_segment::set_section_list_addresses): Add in_relro
10875         parameter.  Change all callers.  Align to the page size when
10876         moving from relro to non-relro section.
10877         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10878         segment.
10879         * output.h (class Output_section): Add is_relro_ and
10880         is_relro_local_ fields.
10881         (Output_section::is_relro): New function.
10882         (Output_section::set_is_relro): New function.
10883         (Output_section::is_relro_local): New function.
10884         (Output_section::set_is_relro_local): New function.
10885         (class Output_segment): Update declarations.
10886         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10887         * sparc.cc (Target_sparc::got_section): Likewise.
10888         * x86_64.cc (Target_x86_64::got_section): Likewise.
10889         * testsuite/relro_test_main.cc: New file.
10890         * testsuite/relro_test.cc: New file.
10891         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10892         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10893         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10894         (relro_test.so, relro_test_pic.o): New targets.
10895         * testsuite/Makefile.in: Rebuild.
10896
10897 2008-05-16  Ian Lance Taylor  <iant@google.com>
10898
10899         * output.cc (Output_segment::add_output_section): Remove front
10900         parameter.
10901         * output.h (class Output_segment): Remove
10902         add_initial_output_section and overloaded add_output_section.
10903         Update declaration of remaining add_output_section.
10904         * layout.cc (Layout::create_interp): Call add_output_section
10905         rather than add_initial_output_section.
10906         (Layout::finish_dynamic_section): Likewise.
10907
10908         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10909         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10910         know the dynamic type.
10911         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10912         field.  Initialize it in constructor.
10913         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10914         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10915         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10916         reloc.
10917
10918         * output.cc (Output_reloc::get_address): Change return type to
10919         Elf_Addr.
10920         * output.h (class Output_reloc): Update get_address declaration.
10921         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10922         for section addresses.
10923
10924 2008-05-09  Ian Lance Taylor  <iant@google.com>
10925
10926         PR 6493
10927         * gold.cc (gold_nomem): Use return value of write.
10928
10929 2008-05-08  Ian Lance Taylor  <iant@google.com>
10930
10931         * symtab.c (Symbol::init_base_output_data): Add version
10932         parameter.  Change all callers.
10933         (Symbol::init_base_output_segment): Likewise.
10934         (Symbol::init_base_constant): Likewise.
10935         (Symbol::init_base_undefined): Likewise.
10936         (Sized_symbol::init_output_data): Likewise.
10937         (Sized_symbol::init_output_segment): Likewise.
10938         (Sized_symbol::init_constant): Likewise.
10939         (Sized_symbol::init_undefined): Likewise.
10940         (Symbol_table::do_define_in_output_data): If the new symbol has a
10941         version, mark it as the default.
10942         (Symbol_table::do_define_in_output_segment): Likewise.
10943         (Symbol_table::do_define_as_constant): Likewise.
10944         * symtab.h (class Symbol): Update declarations.
10945         (class Sized_symbol): Likewise.
10946         * resolve.cc (Symbol::override_version): New function.
10947         (Symbol::override_base): Call override_version.
10948         (Symbol::override_base_with_special): Likewise.
10949         * testsuite/ver_script_8.script: New file.
10950         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10951         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10952         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10953         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10954
10955 2008-05-06  Ian Lance Taylor  <iant@google.com>
10956
10957         PR 6049
10958         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10959         functions.
10960         (class General_options): Remove existing --undefined, and add
10961         --no-undefined instead.  Add new --undefined as synonym for -u.
10962         * archive.cc (Archive::add_symbols): Check whether symbol was
10963         named with -u.
10964         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10965         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10966         all uses.  Add IS_UNDEFINED.  Update declarations to split
10967         different versions of init_base.  Declare init_base_undefined.
10968         (Symbol::is_defined): Handle IS_UNDEFINED.
10969         (Symbol::is_undefined): Likewise.
10970         (Symbol::is_weak_undefined): Call is_undefined.
10971         (Symbol::is_absolute): Handle IS_CONSTANT.
10972         (class Sized_symbol): Update declarations to split different
10973         versions of init.  Declare init_undefined.
10974         (class Symbol_table): Declare new functions.
10975         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10976         Change all callers.
10977         (Symbol::init_base_output_data): Likewise.
10978         (Symbol::init_base_output_segment): Likewise.
10979         (Symbol::init_base_constant): Likewise.
10980         (Symbol::init_base_undefined): New function.
10981         (Sized_symbol::init_object): Rename from init.  Change all
10982         callers.
10983         (Sized_symbol::init_output_data): Likewise.
10984         (Sized_symbol::init_output_segment): Likewise.
10985         (Sized_symbol::init_constant): Likewise.
10986         (Sized_symbol::init_undefined): New function.
10987         (Symbol_table::add_undefined_symbols_from_command_line): New
10988         function.
10989         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10990         function.
10991         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10992         (Symbol::output_section): Likewise.
10993         (Symbol::set_output_section): Likewise.
10994         (Symbol_table::sized_finalize_symbol): Likewise.
10995         (Symbol_table::sized_write_globals): Likewise.
10996         * resolve.cc (Symbol_table::should_override): Likewise.
10997         (Symbol::override_base_with_special): Likewise.
10998
10999         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11000         symbol, change it to have default visibility.
11001         * testsuite/protected_1.cc: New file.
11002         * testsuite/protected_2.cc: New file.
11003         * testsuite/protected_3.cc: New file.
11004         * testsuite/protected_main_1.cc: New file.
11005         * testsuite/protected_main_2.cc: New file.
11006         * testsuite/protected_main_3.cc: New file.
11007         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11008         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11009         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11010         (protected_1.so): New target.
11011         (protected_1_pic.o, protected_2_pic.o): New targets.
11012         (protected_3_pic.o): New target.
11013         (check_PROGRAMS): Add protected_2.
11014         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11015         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11016         * testsuite/Makefile.in: Rebuild.
11017
11018         * options.h (DEFINE_var): Add set_user_set_##varname__.
11019         (DEFINE_bool_alias): New macro.
11020         (class General_options): Define -Bstatic using DEFINE_bool_alias
11021         rather than DEFINE_special.  Add --undefined as an alias for -z
11022         defs.
11023         * options.cc (General_options::parse_Bstatic): Remove.
11024
11025         * options.h (class General_options): Add --fatal-warnings.
11026         * main.cc (main): Implement --fatal-warnings.
11027         * errors.h (Errors::warning_count): New function.
11028
11029         * options.h (class General_options): Add -Bsymbolic-functions.
11030         * symtab.h (Symbol::is_preemptible): Check for
11031         -Bsymbolic-functions.
11032
11033 2008-05-05  Ian Lance Taylor  <iant@google.com>
11034
11035         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11036         as noVARNAME rather than no-VARNAME.
11037         (class General_options): Add option -z combreloc.
11038         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11039         get_address.
11040         (Output_reloc::sort_before) [SHT_REL]: New function.
11041         (Output_reloc::sort_before) [SHT_RELA]: New function.
11042         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11043         Sort_relocs_comparison.
11044         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11045         parameter.  Change all callers.
11046         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11047         sort_relocs parameter.  Change all callers.
11048         * output.cc (Output_reloc::get_address): New function, broken out
11049         of write_rel.
11050         (Output_reloc::write_rel): Call it.
11051         (Output_reloc::compare): New function.
11052         (Output_data_reloc_base::do_write): Optionally sort relocs.
11053
11054         * configure.ac: If targ_extra_obj is set, link it in.
11055         * configure.tgt: Initialize all variables.
11056         (x86_64*): Set targ_extra_obj and targ_extra_size.
11057         * configure: Rebuild.
11058
11059         * object.cc (Sized_relobj::include_section_group): Adjust section
11060         indexes read from group data.  Build vector to pass to
11061         layout_group.
11062         * layout.cc (Layout::layout_group): Add flags and shndxes
11063         parameters.  Remove contents parameter.  Change caller.  Update
11064         explicit instantiations.
11065         * layout.h (class Layout): Update layout_group declaration.
11066         * output.cc (Output_data_group::Output_data_group): Add flags and
11067         input_shndxes parameters.  Remove contents parameter.  Change
11068         caller.
11069         (Output_data_group::do_write): Change input_sections_ to
11070         input_shndxes_.
11071         * output.h (class Output_data_group): Update constructor
11072         declaration.  Rename input_sections_ to input_shndxes_.
11073         * testsuite/many_sections_test.cc: Add template.
11074
11075 2008-04-30  Cary Coutant  <ccoutant@google.com>
11076
11077         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11078
11079         * layout.cc (Layout::include_section): Refactored check for debug
11080         info section.
11081         (Layout::add_comdat): Add new parameters.  Change type
11082         of signature parameter.  Add object and shndx to signatures table.
11083         (Layout::find_kept_object): New function.
11084         * layout.h: Include <cstring>.
11085         (Layout::is_debug_info_section): New function.
11086         (Layout::add_comdat): Add new parameters.
11087         (Layout::find_kept_object): New function.
11088         (Layout::Kept_section): New struct.
11089         (Layout::Signatures): Change type of map range.
11090         * object.cc (Relobj::output_section_address): New function.
11091         (Sized_relobj::include_section_group): Add new parameters.  Change
11092         calls to Layout::add_comdat.  Change to build table of kept comdat
11093         groups and table mapping discarded sections to kept sections.
11094         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11095         (Sized_relobj::do_layout): Change calls to include_section_group and
11096         include_linkonce_section.
11097         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11098         value to zero when section is discarded.
11099         (Sized_relobj::map_to_kept_section): New function.
11100         * object.h (Relobj::output_section_address): New function.
11101         (Relobj::Comdat_group): New type.
11102         (Relobj::find_comdat_group): New function.
11103         (Relobj::Comdat_group_table): New type.
11104         (Relobj::Kept_comdat_section): New type.
11105         (Relobj::Kept_comdat_section_table): New type.
11106         (Relobj::add_comdat_group): New function.
11107         (Relobj::set_kept_comdat_section): New function.
11108         (Relobj::get_kept_comdat_section): New function.
11109         (Relobj::comdat_groups_): New field.
11110         (Relobj::kept_comdat_sections_): New field.
11111         (Symbol_value::input_value): Update comment.
11112         (Sized_relobj::map_to_kept_section) New function.
11113         (Sized_relobj::include_linkonce_section): Add new parameter.
11114         * target-reloc.h (Comdat_behavior): New type.
11115         (get_comdat_behavior): New function.
11116         (relocate_section): Add code to map a discarded section to the
11117         corresponding kept section when applying a relocation.
11118
11119 2008-04-30  Craig Silverstein  <csilvers@google.com>
11120
11121         * dwarf_reader.cc (next_generation_count): New static var.
11122         (Addr2line_cache_entry): New struct.
11123         (addr2line_cache): New static var.
11124         (Dwarf_line_info::one_addr2line): Added caching.
11125         (Dwarf_line_info::clear_addr2line_cache): New function.
11126         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11127         cache-size parameter.
11128         (Dwarf_line_info::one_addr2line_cache): New function.
11129         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11130         new cache-size argument to one_addr2line(), and clear cache.
11131
11132 2008-04-28  Cary Coutant  <ccoutant@google.com>
11133
11134         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11135         R_386_PC8 relocations.
11136
11137 2008-04-23  Ian Lance Taylor  <iant@google.com>
11138
11139         * object.cc (Sized_relobj::include_section_group): Check for
11140         invalid section group.
11141
11142         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11143         header size.
11144
11145         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11146         than read for file header.
11147         * archive.cc (Archive::include_member): Likewise.
11148
11149 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11150
11151         * aclocal.m4: Regenerate.
11152         * configure: Regenerate.
11153
11154 2008-04-19  Ian Lance Taylor  <iant@google.com>
11155
11156         * version.cc (version_string): Bump to 1.6.
11157
11158         * testsuite/Makefile.am (many_sections_r_test): New target.
11159         (many_sections_r_test_SOURCES): Remove.
11160         (many_sections_r_test_DEPENDENCIES): Remove.
11161         (many_sections_r_test_LDFLAGS): Remove.
11162         (many_sections_r_test_LDADD): Remove.
11163
11164         * object.cc (Sized_relobj::do_add_symbols): Always pass
11165         local_symbol_count_ to add_from_relobj.
11166
11167         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11168         every thousand variables.
11169         * testsuite/Makefile.in: Rebuild.
11170
11171         * object.cc (Xindex::initialize_symtab_xindex): New function.
11172         (Xindex::read_symtab_xindex): New function.
11173         (Xindex::sym_xindex_to_shndx): New function.
11174         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11175         available.
11176         (Sized_relobj::do_initialize_xindex): New function.
11177         (Sized_relobj::do_read_symbols): Adjust section links.
11178         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11179         parameter.  Change all callers.
11180         (Sized_relobj::include_section_group): Adjust section links and
11181         symbol section indexes.
11182         (Sized_relobj::do_layout): Adjust section links.
11183         (Sized_relobj::do_count_local_symbols): Adjust section links and
11184         symbol section indexes.
11185         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11186         ordinary and special symbols.
11187         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11188         dynsym_xindex parameters.  Change all callers.  Adjust section
11189         links.  Use SHN_XINDEX when needed.
11190         (Sized_relobj::get_symbol_location_info): Adjust section links.
11191         Don't get fooled by special symbols.
11192         * object.h (class Xindex): Define.
11193         (class Object): Add xindex_ parameter.  Declare virtual functoin
11194         do_initialize_xindex.
11195         (Object::adjust_sym_shndx): New function.
11196         (Object::set_xindex): New protected function.
11197         (class Symbol_value): Add is_ordinary_shndx_ field.
11198         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11199         (Symbol_value::value): Assert ordinary section.
11200         (Symbol_value::initialize_input_to_output_map): Likewise.
11201         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11202         Change all callers.
11203         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11204         all callers.
11205         (class Sized_relobj): Update declarations.
11206         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11207         parameter.  Change all callers.
11208         (Sized_relobj::adjust_shndx): New function.
11209         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11210         field.
11211         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11212         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11213         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11214         (Sized_dynobj::read_dynsym_section): Adjust section links.
11215         (Sized_dynobj::read_dynamic): Likewise.
11216         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11217         section links.
11218         (Sized_dynobj::do_initialize_xindex): New function.
11219         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11220         do_initialize_xindex.
11221         (Sized_dynobj::adjust_shndx): New function.
11222         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11223         dynsym_xindex_ fields.
11224         (Layout::finalize): Add a call to set_section_indexes before
11225         creating the symtab sections.
11226         (Layout::set_section_indexes): Don't do anything if the section
11227         already has a section index.
11228         (Layout::create_symtab_sections): Add shnum parameter.  Change
11229         caller.  Create .symtab_shndx section if needed.
11230         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11231         caller.
11232         (Layout::allocated_output_section_count): New function.
11233         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11234         needed.
11235         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11236         fields.  Update declarations.
11237         (Layout::symtab_xindex): New function.
11238         (Layout::dynsym_xindex): New function.
11239         (class Write_symbols_task): Add layout_ field.
11240         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11241         Change caller.
11242         * output.cc (Output_section_headers::Output_section_headers): Add
11243         shstrtab_section parameter.  Change all callers.
11244         (Output_section_headers::do_sized_write): Store overflow values
11245         for section count and section string table section index in
11246         section header zero.
11247         (Output_file_header::do_sized_write): Check for overflow of
11248         section count and section string table section index.
11249         (Output_symtab_xindex::do_write): New function.
11250         (Output_symtab_xindex::endian_do_write): New function.
11251         * output.h (class Output_section_headers): Add shstrtab_section_.
11252         Update declarations.
11253         (class Output_symtab_xindex): Define.
11254         (Output_section::has_out_shndx): New function.
11255         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11256         field.
11257         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11258         Change all callers.
11259         (Sized_symbol::init): Likewise.
11260         (Symbol::output_section): Check for ordinary symbol.
11261         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11262         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11263         callers.
11264         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11265         Change all callers.  Simplify handling of symbols from sections
11266         not included in the link.
11267         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11268         distinction.
11269         (Weak_alias_sorter::operator()): Assert that symbols are
11270         ordinary.
11271         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11272         distinction.
11273         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11274         parameters.  Change all callers.
11275         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11276         symbol distinction.  Use SHN_XINDEX when needed.
11277         (Symbol_table::write_section_symbol): Add symtab_xindex
11278         parameter.  Change all callers.
11279         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11280         SHN_XINDEX when needed.
11281         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11282         declarations.
11283         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11284         (Symbol::is_defined): Check is_ordinary.
11285         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11286         (Symbol::is_absolute, Symbol::is_common): Likewise.
11287         (class Sized_symbol): Update declarations.
11288         (class Symbol_table): Update declarations.
11289         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11290         parameters.  Change all callers.
11291         (Sized_symbol::override): Likewise.
11292         (Symbol_table::override): Likewise.
11293         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11294         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11295         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11296         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11297         to be in an ordinary section.
11298         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11299         object and is_ordinary parameters.  Change all callers.
11300         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11301         Change all callers.  Don't add undefined or non-ordinary symbols
11302         to reloc_map_.
11303         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11304         Change all callers.
11305         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11306         declarations.
11307         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11308         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11309         (Sized_relobj::relocate_sections): Likewise.
11310         * target-reloc.h (scan_relocs): Adjust section symbol index.
11311         (scan_relocatable_relocs): Likewise.
11312         * i386.cc (Scan::local): Check for ordinary symbols.
11313         * sparc.cc (Scan::local): Likewise.
11314         * x86_64.cc (Scan::local): Likewise.
11315         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11316         to symbol_section_and_value.
11317         * testsuite/many_sections_test.cc: New file.
11318         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11319         (check_PROGRAMS): Add many_sections_test.
11320         (many_sections_test_SOURCES): Define.
11321         (many_sections_test_DEPENDENCIES): Define.
11322         (many_sections_test_LDFLAGS): Define.
11323         (BUILT_SOURCES): Add many_sections_define.h.
11324         (many_sections_define.h): New target.
11325         (BUILT_SOURCES): Add many_sections_check.h.
11326         (many_sections_check.h): New target.
11327         (check_PROGRAMS): Add many_sections_r_test.
11328         (many_sections_r_test_SOURCES): Define.
11329         (many_sections_r_test_DEPENDENCIES): Define.
11330         (many_sections_r_test_LDFLAGS): Define.
11331         (many_sections_r_test_LDADD): Define.
11332         (many_sections_r_test.o): New target.
11333         * testsuite/Makefile.in: Rebuild.
11334
11335 2008-04-17  Cary Coutant  <ccoutant@google.com>
11336
11337         * errors.cc (Errors::info): New function.
11338         (gold_info): New function.
11339         * errors.h (Errors::info): New function.
11340         * gold.h (gold_info): New function.
11341         * object.cc (Input_objects::add_object): Print trace output.
11342         * options.cc (options::parse_set): New function.
11343         (General_options::parse_wrap): Deleted.
11344         (General_options::General_options): Deleted initializer.
11345         * options.h (options::String_set): New typedef.
11346         (options::parse_set): New function.
11347         (DEFINE_set): New macro.
11348         (General_options::wrap): Changed to use DEFINE_set. Changed
11349         callers of any_wrap_symbols and is_wrap_symbol.
11350         (General_options::trace, General_options::trace_symbol):
11351         New options.
11352         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11353         (General_options::wrap_symbols_): Deleted.
11354         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11355
11356 2008-04-17  David S. Miller  <davem@davemloft.net>
11357
11358         * options.cc (General_options::parse_V): New function.
11359         * options.h: Add entries for -V and -Qy.
11360
11361 2008-04-17  Ian Lance Taylor  <iant@google.com>
11362
11363         * common.cc (Symbol_table::allocate_commons): Remove options
11364         parameter.  Change caller.
11365         (Symbol_table::do_allocate_commons): Remove options parameter.
11366         Change caller.  Just call do_allocate_commons_list twice.
11367         (Symbol_table::do_allocate_commons_list): New function, broken out
11368         of do_allocate_commons.
11369         * common.h (class Allocate_commons_task): Remove options_ field.
11370         Update constructor.
11371         * symtab.cc (Symbol_table::Symbol_table): Initialize
11372         tls_commons_.
11373         (Symbol_table::add_from_object): Put TLS common symbols on
11374         tls_commons_ list.
11375         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11376         which are IN_OUTPUT_DATA.
11377         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11378         allocate_commons and do_allocate_commons declarations.  Declare
11379         do_allocate_commons_list.
11380         * gold.cc (queue_middle_tasks): Update creation of
11381         Allocate_commons_task to not pass options.
11382         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11383         (TLS_TEST_C_FLAGS): New variable.
11384         (tls_test_c_pic.o): New target.
11385         (tls_test_shared.so): Link in tls_test_c_pic.o.
11386         (tls_test_c_pic_ie.o): New target.
11387         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11388         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11389         (tls_test_c.o): New target.
11390         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11391         (tls_pic_test_LDADD): Likewise.
11392         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11393         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11394         (tls_test_c_gnu2.o): New target.
11395         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11396         tls_test_c_gnu2.o.
11397         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11398         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11399         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11400         * testsuite/tls_test.cc: Include "config.h".
11401         (t_last): Call t11_last.
11402         * testsuite/tls_test.h (t11, t11_last): Declare.
11403         * testsuite/tls_test_c.c: New file.
11404         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11405         * configure.ac: Check for OpenMP support.
11406         * configure, config.in, Makefile.in: Rebuild.
11407         * testsuite/Makefile.in: Rebuild.
11408
11409 2008-04-16  Cary Coutant  <ccoutant@google.com>
11410
11411         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11412         (Target_i386::tls_base_symbol_defined_): New field.
11413         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11414         (Target_i386::Scan::global): Likewise.
11415         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11416         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11417         (Target_x86_64::tls_base_symbol_defined_): New field.
11418         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11419         (Target_x86_64::Scan::global): Likewise.
11420
11421 2008-04-16  Cary Coutant  <ccoutant@google.com>
11422
11423         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11424         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11425         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11426         building shared libraries.
11427         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11428         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11429         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11430         * testsuite/Makefile.in: Rebuild.
11431         * testsuite/weak_undef.h: New file.
11432         * testsuite/weak_undef_file1.cc: Add extra test cases.
11433         * testsuite/weak_undef_file2.cc: Likewise.
11434         * testsuite/weak_undef_test.cc: Likewise.
11435
11436 2008-04-16  David S. Miller  <davem@davemloft.net>
11437
11438         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11439         Add issued_non_pic_error_ field.  Declare check_non_pic.
11440         (Target_sparc::Scan::check_non_pic): New function.
11441         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11442         (Target_sparc::Scan::global): Likewise.
11443
11444         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11445         * configure: Rebuild.
11446
11447         * options.h (DEFINE_enable): New macro.
11448         (new_dtags): New enable option.
11449         (initfirst, interpose, loadfltr, nodefaultlib,
11450         nodelete, nodlopen, nodump): New -z options.
11451         * layout.cc (Layout:finish_dynamic_section): If new
11452         dtags enabled, emit DT_RUNPATH.  Also, emit a
11453         DT_FLAGS_1 containing any specified -z flags.
11454
11455 2008-04-16  Ian Lance Taylor  <iant@google.com>
11456
11457         * copy-relocs.cc: New file.
11458         * copy-relocs.h: New file.
11459         * reloc.cc: Remove Copy_relocs code.
11460         * reloc.h: Likewise.
11461         * reloc-types.h (struct Reloc_types) [both versions]: Add
11462         get_reloc_addend_noerror.
11463         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11464         variants of add_global which take an addend which must be zero.
11465         * i386.cc: Include "copy-relocs.h".
11466         (class Target_i386): Change type of copy_relocs_ to variable,
11467         update initializer.
11468         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11469         Change all callers.
11470         (Target_i386::do_finalize_sections): Change handling of
11471         copy_relocs_.
11472         * sparc.cc: Include "copy-relocs.h".
11473         (class Target_sparc): Change type of copy_relocs_ to variable,
11474         update initializer.
11475         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11476         Change all callers.
11477         (Target_sparc::do_finalize_sections): Change handling of
11478         copy_relocs_.
11479         * x86_64.cc: Include "copy-relocs.h".
11480         (class Target_x86_64): Change type of copy_relocs_ to variable,
11481         update initializer.
11482         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11483         class.  Change all callers.
11484         (Target_x86_64::do_finalize_sections): Change handling of
11485         copy_relocs_.
11486         * Makefile.am (CCFILES): Add copy-relocs.cc.
11487         (HFILES): Add copy-relocs.h.
11488
11489         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11490
11491         * testsuite/script_test_4.sh: Permit leading zeroes.
11492
11493 2008-04-15  Ian Lance Taylor  <iant@google.com>
11494
11495         * script-sections.cc (Script_sections::create_segments): Use
11496         header_size_adjustment even when there is enough room for the
11497         headers.
11498         * testsuite/script_test_4.sh: New file.
11499         * testsuite/script_test_4.t: New file.
11500         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11501         (check_DATA): Add script_test_4.stdout.
11502         (MOSTLYCLEANFILES): Likewise.
11503         (script_test_4): New target.
11504         (script_test_4.stdout): New target.
11505         * testsuite/Makefile.in: Rebuild.
11506
11507         * sparc.cc: Add definitions for Output_data_plt_sparc class
11508         constants.
11509
11510 2008-04-14  David S. Miller  <davem@davemloft.net>
11511
11512         * sparc.cc: New file.
11513         * Makefile.am (TARGETSOURCES): Add sparc.cc
11514         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11515         * configure.tgt: Document targ_extra_size and
11516         targ_extra_big_endian.  Add entries for sparc-* and
11517         sparc64-*.
11518         * configure.ac: Handle targ_extra_size and
11519         targ_extra_big_endian.
11520         * Makefile.in: Rebuild.
11521         * configure: Likewise.
11522         * po/POTFILES.in: Likewise.
11523         * po/gold.pot: Likewise.
11524
11525 2008-04-14  Ian Lance Taylor  <iant@google.com>
11526
11527         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11528         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11529         in the name/type/flags to section mapping.  Don't call
11530         allocate_output_section.
11531         (Layout::choose_output_section): Change parameter from adjust_name
11532         to is_input_section.  Don't permit input sections after sections
11533         are attached to segments.  Don't call allocate_output_section.
11534         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11535         not write_enable_output_section.
11536         (Layout::make_output_section): Don't push to
11537         unattached_section_list_ nor call attach_to_segment.  Call
11538         attach_section_to_segment if sections are attached.
11539         (Layout::attach_sections_to_segments): New function.
11540         (Layout::attach_section_to_segment): New function.
11541         (Layout::attach_allocated_section_to_segment): Rename from
11542         attach_to_segment.  Remove flags parameter.
11543         (Layout::allocate_output_section): Remove function.
11544         (Layout::write_enable_output_section): Remove function.
11545         * layout.h (class Layout): Update for above changes.  Add new
11546         field sections_are_attached_.
11547         * output.h (Output_section::update_flags_for_input_section): New
11548         function.
11549         * output.cc (Output_section::add_input_section): Call
11550         update_flags_for_input_section.
11551         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11552
11553 2008-04-11  Cary Coutant  <ccoutant@google.com>
11554
11555         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11556         thought unnecessary.
11557         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11558
11559 2008-04-11  Ian Lance Taylor  <iant@google.com>
11560
11561         * output.h (class Output_section_data): Remove inline definition
11562         of set_addralign.
11563         * output.cc (Output_section_data::set_addralign): New function.
11564
11565 2008-04-11  Cary Coutant  <ccoutant@google.com>
11566
11567         Add support for TLS descriptors for i386 and x86_64.
11568         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11569         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11570         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11571         GOT_TYPE_TLS_DESC.
11572         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11573         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11574         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11575         relocations.
11576         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11577         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11578         Fix problem with initial-exec relocations.
11579         (Target_i386::Relocate::relocate_tls): Likewise.
11580         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11581         relaxation.
11582         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11583         support for section-plus-offset dynamic table entries.
11584         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11585         (Output_data_dynamic::Dynamic_entry): Add support for
11586         section-plus-offset dynamic table entries.
11587         (Output_data_dynamic::Classification): Likewise.
11588         (Output_data_dynamic::classification_): Renamed offset_.
11589         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11590         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11591         (Target_x86_64::make_plt_section): New function.
11592         (Target_x86_64::reserve_tlsdesc_entries): New function.
11593         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11594         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11595         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11596         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11597         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11598         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11599         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11600         add extra PLT entry for TLS descriptors.
11601         (Output_data_plt_x86_64::got_): New field.
11602         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11603         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11604         fields.
11605         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11606         descriptors.
11607         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11608         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11609         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11610         R_386_TLS_DESC_CALL relocations.
11611         (Target_x86_64::Scan::global): Likewise.
11612         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11613         for TLS descriptors.
11614         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11615         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11616         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11617         GD-to-IE relaxation.
11618         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11619         and TLS_DESCRIPTORS.
11620         * Makefile.in: Rebuild.
11621         * configure: Rebuild.
11622         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11623         (tls_test_shared2.so): New target.
11624         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11625         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11626         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11627         (tls_shared_gd_to_ie_test_LDADD): New variable.
11628         (tls_shared_gnu2_gd_to_ie_test): New target.
11629         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11630         New targets.
11631         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11632         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11633         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11634         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11635         (tls_shared_gnu2_test): New target.
11636         (tls_test_gnu2_shared.so): New target.
11637         (tls_shared_gnu2_test_SOURCES): New variable.
11638         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11639         (tls_shared_gnu2_test_LDFLAGS): New variable.
11640         (tls_shared_gnu2_test_LDADD): New variable.
11641         * testsuite/Makefile.in: Rebuild.
11642         * testsuite/Makefile.
11643
11644 2008-04-11  Ian Lance Taylor  <iant@google.com>
11645
11646         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11647         justsyms.t.
11648         * testsuite/Makefile.in: Rebuild.
11649
11650         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11651         long.
11652         * testsuite/script_test_2.cc (main): Adjust test.
11653
11654 2008-04-11  David S. Miller  <davem@davemloft.net>
11655             Ian Lance Taylor  <iant@google.com>
11656
11657         * options.h (General_options): Add entries for '-Y' and
11658         '-relax'.
11659         * options.cc (General_options:finalize): If -Y was used, add those
11660         entries to the library path instead of the default "/lib" and
11661         "/usr/lib".
11662
11663 2008-04-11  David S. Miller  <davem@davemloft.net>
11664
11665         * testsuite/justsyms.t: Start at 0x100.
11666         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11667         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11668         long.
11669         * testsuite/script_test_2.cc: Adjust string and section length
11670         checks.
11671
11672 2008-04-09  Ian Lance Taylor  <iant@google.com>
11673
11674         PR gold/5996
11675         * script-sections.cc (Sections_element::allocate_to_segment): Add
11676         orphan parameter.
11677         (Output_section_definition::allocate_to_segment): Likewise.
11678         (Orphan_output_section::allocate_to_segment): Likewise.
11679         (Script_sections::attach_sections_using_phdrs_clause): Don't
11680         propagate non-PT_LOAD segments to orphan sections.
11681         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11682         readelf rather than objdump.
11683         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11684         .interp section and PT_INTERP segment are the same size.
11685         * testsuite/Makefile.in: Rebuild.
11686
11687         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11688         aliases for symbols defined in the same object.
11689         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11690         (weak_alias_test_SOURCES): New variable.
11691         (weak_alias_test_DEPENDENCIES): New variable.
11692         (weak_alias_test_LDFLAGS): New variable.
11693         (weak_alias_test_LDADD): New variable.
11694         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11695         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11696         (weak_alias_test_3.o): New target.
11697         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11698         * testsuite/weak_alias_test_main.cc: New file.
11699         * testsuite/weak_alias_test_1.cc: New file.
11700         * testsuite/weak_alias_test_2.cc: New file.
11701         * testsuite/weak_alias_test_3.cc: New file.
11702
11703 2008-04-08  Ian Lance Taylor  <iant@google.com>
11704
11705         * options.h (class General_options): Add --noinhibit-exec option.
11706         * main.cc (main): Check --noinhibit-exec.
11707
11708         * options.h (class General_options): Define --wrap as a special
11709         option.  Add wrap_symbols_ field.
11710         (General_options::any_wrap_symbols): New function.
11711         (General_options::is_wrap_symbol): New function.
11712         * options.cc (General_options::parse_wrap): New function.
11713         (General_options::General_options): Initialize wrap_symbols_.
11714         * symtab.cc (Symbol_table::wrap_symbol): New function.
11715         (Symbol_table::add_from_object): Handle --wrap.
11716         * symtab.h (class Symbol_table): Declare wrap_symbol.
11717         * target.h (Target::wrap_char): New function.
11718         (Target::Target_info): Add wrap_char field.
11719         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11720         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11721         * testsuite/testfile.cc (Target_test::test_target_info):
11722         Likewise.
11723
11724         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11725         there is one.
11726
11727         * layout.h (class Layout): Add added_eh_frame_data_ field.
11728         * layout.cc (Layout::Layout): Initialize new field.
11729         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11730         output section until we find a section we merged successfully.
11731         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11732         that the size be non-zero.
11733
11734         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11735         qualifier.
11736
11737 2008-04-08  Craig Silverstein  <csilvers@google.com>
11738
11739         * configure.ac: Export new conditional variable HAVE_ZLIB.
11740         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11741         on HAVE_ZLIB.
11742         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11743         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11744
11745 2008-04-07  Ian Lance Taylor  <iant@google.com>
11746
11747         * version.cc (version_string): Set to "1.5".
11748
11749         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11750         Add issued_non_pic_error_ field.  Declare check_non_pic.
11751         (Target_x86_64::Scan::check_non_pic): New function.
11752         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11753         (Target_x86_64::Scan::global): Likewise.
11754
11755         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11756         addend parameter.  Change caller.  Handle merge sections.
11757         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11758         Address to Addend.  Don't add in the result of
11759         local_section_offset, pass down the addend and use the returned
11760         value.
11761         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11762         Update declarations of local_section_offset and symbol_value.
11763         * testsuite/two_file_test_1.cc (t18): New function.
11764         * testsuite/two_file_test_2.cc (f18): New function.
11765         * testsuite/two_file_test_main.cc (main): Call t18.
11766         * testsuite/two_file_test.h (t18, f18): Declare.
11767
11768         * configure.ac: Don't test for objdump, c++filt, or readelf.
11769         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11770         conditionals.
11771         (TEST_READELF): New variable.
11772         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11773         (check_PROGRAMS): Add two_file_strip_test.
11774         (two_file_strip_test): New target.
11775         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11776         (two_file_same_shared_strip_test_SOURCES): New variable.
11777         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11778         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11779         (two_file_same_shared_strip_test_LDADD): New variable.
11780         (two_file_shared_strip.so): New target.
11781         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11782         (ver_test_5.syms, ver_test_7.syms): Likewise.
11783         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11784         (strip_test_3.stdout): Use TEST_OBJDUMP.
11785         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11786
11787 2008-04-04  Cary Coutant  <ccoutant@google.com>
11788
11789         * symtab.h (Symbol::is_weak_undefined): New function.
11790         (Symbol::is_strong_undefined): New function.
11791         (Symbol::is_absolute): New function.
11792         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11793         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11794         absolute symbols.
11795         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11796         (weak_undef_test): New target.
11797         * testsuite/Makefile.in: Rebuild.
11798         * testsuite/weak_undef_file1.cc: New file.
11799         * testsuite/weak_undef_file2.cc: New file.
11800         * testsuite/weak_undef_test.cc: New file.
11801
11802 2008-04-03  Craig Silverstein  <csilvers@google.com>
11803
11804         * compressed_output.h (class Output_compressed_section): Use
11805         unsigned buffer.
11806         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11807         add zlib header.
11808         (zlib_compressed_suffix): Removed.
11809         (Output_compressed_section::set_final_data_size): Use unsigned
11810         buffers.
11811         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11812         Fix linker invocation.
11813         (flagstest_o_specialfile_and_compress_debug_sections):
11814         Likewise.
11815         * testsuite/Makefile.in: Regenerated.
11816
11817 2008-04-02  David S. Miller  <davem@davemloft.net>
11818
11819         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11820         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11821
11822 2008-04-02  Craig Silverstein  <csilvers@google.com>
11823
11824         * TODO: New file.
11825
11826 2008-04-02  Ian Lance Taylor  <iant@google.com>
11827
11828         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11829         parameters.  Update for new key type to views_.  Change all
11830         callers.
11831         (File_read::read): Adjust for byteshift in returned view.
11832         (File_read::add_view): New function, broken out of
11833         find_and_make_view.
11834         (File_read::make_view): New function, broken out of
11835         find_and_make_view.
11836         (File_read::find_or_make_view): Add offset and aligned
11837         parameters.  Rewrite accordingly.  Change all callers.
11838         (File_read::get_view): Add offset and aligned parameters.  Adjust
11839         for byteshift in return value.
11840         (File_read::get_lasting_view): Likewise.
11841         * fileread.h (class File_read): Update declarations.
11842         (class File_read::View): Add byteshift_ field.  Add byteshift to
11843         constructor.  Add byteshift method.
11844         * archive.h (Archive::clear_uncached_views): New function.
11845         (Archive::get_view): Add aligned parameter.  Change all callers.
11846         * object.h (Object::get_view): Add aligned parameter.  Change all
11847         callers.
11848         (Object::get_lasting_view): Likewise.
11849
11850         * fileread.cc (File_read::release): Don't call clear_views if
11851         there are multiple objects.
11852         * fileread.h (File_read::clear_uncached_views): New function.
11853         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11854         on the archive.
11855
11856 2008-03-31  Cary Coutant  <ccoutant@google.com>
11857
11858         Add thin archive support.
11859         * archive.cc (Archive::armagt): New const.
11860         (Archive::setup): Remove task parameter and calls to unlock.
11861         (Archive::unlock_nested_archives): New function.
11862         (Archive::read_header): Add nested_off parameter. Change
11863         all callers.
11864         (Archive::interpret_header): Likewise.
11865         (Archive::include_all_members): Change to handle thin
11866         archives.
11867         (Archive::include_member): Likewise.
11868         * archive.h (Archive::Archive): Add new parameters and
11869         initializers.
11870         (Archive::armagt): New const.
11871         (Archive::setup): Remove task parameter.
11872         (Archive::unlock_nested_archives): New function.
11873         (Archive::read_header): Add nested_off parameter.
11874         (Archive::interpret_header): Likewise.
11875         (Archive::Nested_archive_table): New typedef.
11876         (Archive::is_thin_archive_): New field.
11877         (Archive::nested_archives_): New field.
11878         (Archive::options_): New field.
11879         (Archive::dirpath_): New field.
11880         (Archive::task_): New field.
11881         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11882         for thin archives.  Pass additional parameters to
11883         Archive::Archive.  Unlock the archive file after calling
11884         Archive::setup.
11885
11886 2008-03-29  Ian Lance Taylor  <iant@google.com>
11887
11888         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11889         version symbol to be local.
11890         * testsuite/ver_test_4.sh: New file.
11891         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11892         (check_DATA): Add ver_test_4.syms.
11893         (ver_test_4.syms): New target.
11894         * testsuite/Makefile.in: Rebuild.
11895
11896         * output.cc
11897         (Output_section::Input_section_sort_entry::has_priority): New
11898         function.
11899         (Output_section::Input_section_sort_entry::match_file_name): New
11900         function.
11901         (Output_section::Input_section_sort_entry::match_section_name):
11902         Remove.
11903         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11904         Remove.
11905         (Output_section::Input_section_sort_entry::match_section_file):
11906         Remove.
11907         (Output_section::Input_section_sort_compare::operator()): Rewrite
11908         using new Input_section_sort_entry functions.  Sort crtbegin and
11909         crtend first.  Sort sections with no priority before sections with
11910         a priority.
11911         * testsuite/initpri1.c (d3): Check j != 4.
11912         (cd5): New constructor/destructor function.
11913         (main): Check j != 2.
11914
11915         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11916         new symbol when resolving, don't call set_is_default.
11917         * testsuite/ver_test_7.cc: New file.
11918         * testsuite/ver_test_7.sh: New file.
11919         * testsuite/Makefile.am (ver_test_7.so): New target.
11920         (ver_test_7.o): New target.
11921         (check_SCRIPTS): Add ver_test_7.sh.
11922         (check_DATA): Add ver_test_7.syms.
11923         (ver_test_7.syms): New target.
11924
11925 2008-03-28  Ian Lance Taylor  <iant@google.com>
11926
11927         * layout.cc (Layout::layout): If we see an input section with a
11928         name that needs sorting, set the must_sort flag for the output
11929         section.
11930         (Layout::make_output_section): If the name of the output section
11931         indicates that it might require sorting, set the may_sort flag.
11932         * output.h (Output_section::may_sort_attached_input_sections): New
11933         function.
11934         (Output_section::set_may_sort_attached_input_sections): New
11935         function.
11936         (Output_section::must_sort_attached_input_sections): New
11937         function.
11938         (Output_section::set_must_sort_attached_input_sections): New
11939         function.
11940         (class Output_section): Declare Input_section_sort_entry.  Define
11941         Input_section_sort_compare.  Declare
11942         sort_attached_input_sections.  Add new fields:
11943         may_sort_attached_input_sections_,
11944         must_sort_attached_input_sections_,
11945         attached_input_sections_are_sorted_.
11946         * output.cc (Output_section::Output_section): Initialize new
11947         fields.
11948         (Output_section::add_input_section): Add an entry to
11949         input_sections_ if may_sort or must_sort are true.
11950         (Output_section::set_final_data_size): Call
11951         sort_attached_input_sections if necessary.
11952         (Output_section::Input_section_sort_entry): Define new class.
11953         (Output_section::Input_section_sort_compare::operator()): New
11954         function.
11955         (Output_section::sort_attached_input_sections): New function.
11956         * configure.ac: Check whether the compiler supports constructor
11957         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11958         * testsuite/initpri1.c: New file.
11959         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11960         CONSTRUCTOR_PRIORITY.
11961         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11962         (initpri1_LDFLAGS): New variable.
11963         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11964
11965 2008-03-27  Ian Lance Taylor  <iant@google.com>
11966
11967         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11968         * testsuite/common_test_1.c: New file.
11969         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11970         (common_test_1_SOURCES): New variable.
11971         (common_test_1_DEPENDENCIES): New variable.
11972         (common_test_1_LDFLAGS): New variable.
11973
11974         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11975         and commons_ correctly when NAME/VERSION does not override
11976         NAME/NULL.
11977         * testsuite/ver_test_6.c: New file.
11978         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11979         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11980         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11981
11982 2008-03-26  Ian Lance Taylor  <iant@google.com>
11983
11984         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11985         of an undefined symbol from a version script.
11986         * testsuite/Makefile.am (ver_test_5.so): New target.
11987         (ver_test_5.o): New target.
11988         (check_SCRIPTS): Add ver_test_5.sh.
11989         (check_DATA): Add ver_test_5.syms.
11990         (ver_test_5.syms): New target.
11991         * testsuite/ver_test_5.cc: New file.
11992         * testsuite/ver_test_5.script: New file.
11993         * testsuite/ver_test_5.sh: New file.
11994         * Makefile.in, testsuite/Makefile.in: Rebuild.
11995
11996         PR gold/5986
11997         Fix problems building gold with gcc 4.3.0.
11998         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11999         (gold_error_at_location, gold_warning_at_location): Use it.
12000         * configure.ac: Check whether we can compile and use a template
12001         function with a printf attribute.
12002         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12003         when jumping over bytes.
12004         * object.cc: Instantiate Object::read_section_data.
12005         * debug.h: Include <cstring>
12006         * dwarf_reader.cc: Include <algorithm>
12007         * main.cc: Include <cstring>.
12008         * options.cc: Include <cstring>.
12009         * output.cc: Include <cstring>.
12010         * script.cc: Include <cstring>.
12011         * script.h: Include <string>.
12012         * symtab.cc: Include <cstring> and <algorithm>.
12013         * target-select.cc: Include <cstring>.
12014         * version.cc: Include <string>.
12015         * testsuite/testmain.cc: Include <cstdlib>.
12016         * configure, config.in: Rebuild.
12017
12018 2008-03-25  Ian Lance Taylor  <iant@google.com>
12019
12020         * options.cc: Include "../bfd/bfdver.h".
12021         (options::help): Print bug reporting address.
12022
12023         * version.cc (print_version): Adjust output for current value of
12024         BFD_VERSION_STRING.
12025
12026         * NEWS: New file.
12027
12028         * options.cc (options::help): Print list of supported targets.
12029         * target-select.h: Include <vector>.
12030         (class Target_selector): Make machine_, size_, and is_big_endian_
12031         fields const.  Add bfd_name_ and instantiated_target_ fields.
12032         (Target_selector::Target_selector): Add bfd_name parameter.
12033         (Target_selector::recognize): Make non-virtual, call
12034         do_recognize.
12035         (Target_selector::recognize_by_name): Make non-virtual, call
12036         do_recognize_by_name.
12037         (Target_selector::supported_names): New function.
12038         (Target_selector::bfd_name): New function.
12039         (Target_selector::do_instantiate_target): New pure virtual
12040         function.
12041         (Target_selector::do_recognize): New virtual function.
12042         (Target_selector::do_recognize_by_name): New virtual function.
12043         (Target_selector::instantiate_target): New private function.
12044         (supported_target_names): Declare.
12045         * target-select.cc (Target_selector::Target_selector): Update for
12046         new parameter and fields.
12047         (select_target_by_name): Check that the name matches before
12048         calling recognize_by_name.
12049         (supported_target_names): New function.
12050         * i386.cc (class Target_selector_i386): Update Target_selector
12051         constructor call.  Remove recognize and recognize_by_name.  Add
12052         do_instantiate_target.
12053         * x86_64.cc (class Target_selector_x86_64): Likewise.
12054         * testsuite/testfile.cc (class Target_selector_test): Update for
12055         changes to Target_selector.
12056
12057         * README: Rewrite, with some notes on unsupported features.
12058
12059 2008-03-24  Cary Coutant  <ccoutant@google.com>
12060
12061         * i386.cc (Target_i386::Got_type): New enum declaration.
12062         (Target_i386::Scan::local): Updated callers of Output_data_got
12063         member functions.
12064         (Target_i386::Scan::global): Likewise.
12065         (Target_i386::Relocate::relocate): Likewise.
12066         (Target_i386::Relocate::relocate_tls): Likewise.
12067         * object.h (Got_offset_list): New class.
12068         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12069         (Sized_relobj::local_got_offset): Likewise.
12070         (Sized_relobj::set_local_got_offset): Likewise.
12071         (Sized_relobj::local_has_tls_got_offset): Removed.
12072         (Sized_relobj::local_tls_got_offset): Removed.
12073         (Sized_relobj::set_local_tls_got_offset): Removed.
12074         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12075         * output.cc (Output_data_got::add_global): Added got_type parameter.
12076         (Output_data_got::add_global_with_rel): Likewise.
12077         (Output_data_got::add_global_with_rela): Likewise.
12078         (Output_data_got::add_global_pair_with_rel): New function.
12079         (Output_data_got::add_global_pair_with_rela): New function.
12080         (Output_data_got::add_local): Added got_type parameter.
12081         (Output_data_got::add_local_with_rel): Likewise.
12082         (Output_data_got::add_local_with_rela): Likewise.
12083         (Output_data_got::add_local_pair_with_rel): New function.
12084         (Output_data_got::add_local_pair_with_rela): New function.
12085         (Output_data_got::add_global_tls): Removed.
12086         (Output_data_got::add_global_tls_with_rel): Removed.
12087         (Output_data_got::add_global_tls_with_rela): Removed.
12088         (Output_data_got::add_local_tls): Removed.
12089         (Output_data_got::add_local_tls_with_rel): Removed.
12090         (Output_data_got::add_local_tls_with_rela): Removed.
12091         * output.h (Output_data_got::add_global): Added got_type parameter.
12092         (Output_data_got::add_global_with_rel): Likewise.
12093         (Output_data_got::add_global_with_rela): Likewise.
12094         (Output_data_got::add_global_pair_with_rel): New function.
12095         (Output_data_got::add_global_pair_with_rela): New function.
12096         (Output_data_got::add_local): Added got_type parameter.
12097         (Output_data_got::add_local_with_rel): Likewise.
12098         (Output_data_got::add_local_with_rela): Likewise.
12099         (Output_data_got::add_local_pair_with_rel): New function.
12100         (Output_data_got::add_local_pair_with_rela): New function.
12101         (Output_data_got::add_global_tls): Removed.
12102         (Output_data_got::add_global_tls_with_rel): Removed.
12103         (Output_data_got::add_global_tls_with_rela): Removed.
12104         (Output_data_got::add_local_tls): Removed.
12105         (Output_data_got::add_local_tls_with_rel): Removed.
12106         (Output_data_got::add_local_tls_with_rela): Removed.
12107         * resolve.cc (Symbol::override_base_with_special): Removed
12108         reference to has_got_offset_ field.
12109         * symtab.cc (Symbol::init_fields): Replaced initialization
12110         of got_offset_ with got_offsets_.  Removed initialization
12111         of has_got_offset_
12112         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12113         (Symbol::got_offset): Likewise.
12114         (Symbol::set_got_offset): Likewise.
12115         (Symbol::has_tls_got_offset): Removed.
12116         (Symbol::tls_got_offset): Removed.
12117         (Symbol::set_tls_got_offset): Removed.
12118         (Symbol::got_offset_): Removed.
12119         (Symbol::tls_mod_got_offset_): Removed.
12120         (Symbol::tls_pair_got_offset_): Removed.
12121         (Symbol::got_offsets_): New field.
12122         (Symbol::has_got_offset): Removed.
12123         (Symbol::has_tls_mod_got_offset): Removed.
12124         (Symbol::has_tls_pair_got_offset): Removed.
12125         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12126         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12127         member functions.
12128         (Target_x86_64::Scan::global): Likewise.
12129         (Target_x86_64::Relocate::relocate): Likewise.
12130         (Target_x86_64::Relocate::relocate_tls): Likewise.
12131
12132 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12133
12134         * yyscript.y: Fix spelling error in comment.
12135
12136 2008-03-24  Ian Lance Taylor  <iant@google.com>
12137
12138         * options.h (class General_options): Define build_id option.
12139         * layout.h (class Layout): Declare write_build_id, create_note,
12140         create_build_id.  Add build_id_note_ member.
12141         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12142         "libiberty.h", "md5.h", "sha1.h".
12143         (Layout::Layout): Initialize eh_frame_data_,
12144         eh_frame_hdr_section_, and build_id_note_.
12145         (Layout::finalize): Call create_build_id.
12146         (Layout::create_note): New function, broken out of
12147         Layout::create_gold_note.
12148         (Layout::create_gold_note): Call create_note.
12149         (Layout::create_build_id): New function.
12150         (Layout::write_build_id): New function.
12151         (Close_task_runner::run): Call write_build_id.
12152
12153         * x86_64.cc: Correct license to GPLv3.
12154
12155 2008-03-23  Ian Lance Taylor  <iant@google.com>
12156
12157         * options.cc: Include "demangle.h".
12158         (parse_optional_string): New function.
12159         (parse_long_option): Handle takes_optional_argument.
12160         (parse_short_option): Update dash_z initializer.  Handle
12161         takes_optional_argument.
12162         (General_options::General_options): Initialize do_demangle_.
12163         (General_options::finalize): Set do_demangle_.  Handle demangling
12164         style.
12165         * options.h (parse_optional_string): Declare.
12166         (struct One_option): Add optional_arg field.  Update constructor.
12167         Update call constructor calls.  Add takes_optional_argument
12168         function.
12169         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12170         (DEFINE_optional_string): Define.
12171         (General_options::demangle): Change from DEFINE_bool to
12172         DEFINE_optional_string.
12173         (General_options::no_demangle): New function.
12174         (General_options::do_demangle): New function.
12175         (General_options::set_do_demangle): New function.
12176         (General_options::execstack_status_): Move definition to end of
12177         class definition.
12178         (General_options::static_): Likewise.
12179         (General_options::do_demangle_): New field.
12180         * object.cc (big_endian>::get_symbol_location_info): Call
12181         Options::do_demangle, not Options::demangle.
12182         * symtab.cc (demangle): Likewise.
12183
12184 2008-03-22  Ian Lance Taylor  <iant@google.com>
12185
12186         * gold.h: Include <cstddef> and <sys/types.h>
12187         * options.h: Include <cstring>.
12188
12189 2008-03-21  Ian Lance Taylor  <iant@google.com>
12190
12191         * Added source code to GNU binutils.