gold/ChangeLog

   1 2011-10-17  Cary Coutant  <ccoutant@google.com>
   2
   3         PR gold/13245
   4         * plugin.cc (is_visible_from_outside): Check for symbols
   5         referenced from dynamic objects.
   6         * resolve.cc (Symbol_table::resolve): Don't count references
   7         from dynamic objects as references from real ELF files.
   8         * testsuite/plugin_test_2.sh: Adjust expected result.
   9
  10 2011-10-17  Cary Coutant  <ccoutant@google.com>
  11
  12         * gold.cc: Include timer.h.
  13         (queue_middle_tasks): Stamp time.
  14         (queue_final_tasks): Likewise.
  15         * main.cc (main): Store timer in parameters.  Print timers
  16         for each pass.
  17         * parameters.cc (Parameters::Parameters): Initialize timer_.
  18         (Parameters::set_timer): New function.
  19         (set_parameters_timer): New function.
  20         * parameters.h (Parameters::set_timer): New function.
  21         (Parameters::timer): New function.
  22         (Parameters::timer_): New data member.
  23         (set_parameters_timer): New function.
  24         * timer.cc (Timer::stamp): New function.
  25         (Timer::get_pass_time): New function.
  26         * timer.h (Timer::stamp): New function.
  27         (Timer::get_pass_time): New function.
  28         (Timer::pass_times_): New data member.
  29
  30 2011-10-17  Cary Coutant  <ccoutant@google.com>
  31
  32         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
  33         task for members of lib groups.
  34
  35 2011-10-17  Cary Coutant  <ccoutant@google.com>
  36
  37         PR gold/13288
  38         * fileread.cc (File_read::find_view): Add assert.
  39         (File_read::make_view): Move bounds check (replace with assert)...
  40         (File_read::find_or_make_view): ... to here.
  41
  42 2011-10-12  Cary Coutant  <ccoutant@google.com>
  43
  44         * output.cc (Output_file::open_base_file): Handle case where
  45         ::read returns less than requested size.
  46
  47 2011-10-10  Cary Coutant  <ccoutant@google.com>
  48
  49         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
  50         Initialize defined_count_.
  51         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
  52         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
  53         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
  54         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
  55         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
  56         * incremental.h (Sized_relobj_incr::defined_count_): New data
  57         member.
  58         (Sized_incr_dynobj::defined_count_): New data member.
  59         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
  60         Return zeroes instead of internal error.
  61
  62 2011-10-10  Cary Coutant  <ccoutant@google.com>
  63
  64         PR gold/13249
  65         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
  66         (Output_reloc::symbol_value): Return PLT offset if flag is set.
  67         * output.h (class Output_reloc): Add use_plt_offset flag.
  68         (Output_reloc::type_): Adjust size of bit field.
  69         (Output_reloc::use_plt_offset_): New bit field.
  70         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
  71         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
  72         flag.  Adjust all callers.
  73         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
  74         creating RELATIVE relocations.
  75
  76 2011-10-10  Nick Clifton  <nickc@redhat.com>
  77
  78         * po/es.po: Updated Spanish translation.
  79         * po/fi.po: Updated Finnish translation.
  80
  81 2011-10-03   Diego Novillo  <dnovillo@google.com>
  82
  83         * options.cc (parse_uint): Fix dereference of RETVAL.
  84
  85 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
  86
  87         * layout.h (section_order_map_): New member.
  88         (get_section_order_map): New member function.
  89         * output.cc (Output_section::add_input_section): Check for patterns
  90         only when --section-ordering-file is specified.
  91         * gold.cc (queue_middle_tasks): Delay updating order of sections till
  92         output_sections have been formed.
  93         * layout.cc (Layout_Layout): Initialize section_order_map_.
  94         * plugin.cc (update_section_order): Store order in order_map. Do not
  95         update the order.
  96         * testsuite/Makefile.am: Add test case for plugin_final_layout.
  97         * testsuite/Makefile.in: Regenerate.
  98         * testsuite/plugin_section_order.c: New file.
  99         * testsuite/plugin_final_layout.cc: New file.
 100         * testsuite/plugin_final_layout.sh: New file.
 101
 102 2011-09-29  Cary Coutant  <ccoutant@google.com>
 103
 104         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 105         Check for NULL.
 106         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 107         symbols during incremental update.
 108         (Symbol_table::add_from_dynobj): Likewise.
 109
 110 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 111             Ian Lance Taylor  <iant@google.com>
 112
 113         * symtab.cc (Symbol_table::define_special_symbol): Always
 114         canonicalize version string.
 115
 116 2011-09-26  Cary Coutant  <ccoutant@google.com>
 117
 118         * gold.cc (queue_initial_tasks): Move option checks ...
 119         * options.cc (General_options::finalize): ... to here. Disable
 120         some options; make others fatal.
 121
 122 2011-09-26  Cary Coutant  <ccoutant@google.com>
 123
 124         gcc PR lto/47247
 125         * plugin.cc (get_symbols_v2): New function.
 126         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 127         (is_referenced_from_outside): New function.
 128         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 129         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 130         (get_symbols): Pass version parameter.
 131         (get_symbols_v2): New function.
 132         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 133         parameter.
 134         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 135         (onload): Add LDPT_GET_SYMBOLS_V2.
 136         (all_symbols_read_hook): Use get_symbols_v2; check for
 137         LDPR_PREVAILING_DEF_IRONLY_EXP.
 138         * testsuite/plugin_test_3.sh: Update expected results.
 139
 140 2011-09-23  Simon Baldwin  <simonb@google.com>
 141
 142         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 143         configuration options.
 144         * configure: Regenerate.
 145         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 146         * Makefile.in: Regenerate.
 147         * testsuite/Makefile.in: Regenerate.
 148
 149 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 150
 151         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 152
 153 2011-09-19  Cary Coutant  <ccoutant@google.com>
 154
 155         * incremental.cc (can_incremental_update): Fix typo in comment.
 156         * incremental.h (can_incremental_update): Likewise.
 157
 158 2011-09-18  Cary Coutant  <ccoutant@google.com>
 159
 160         * incremental.cc (can_incremental_update): New function.
 161         * incremental.h (can_incremental_update): New function.
 162         * layout.cc (Layout::init_fixed_output_section): Call it.
 163         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 164         * object.cc (Sized_relobj_file::do_layout): Call
 165         can_incremental_update.
 166
 167 2011-09-13  Cary Coutant  <ccoutant@google.com>
 168
 169         * configure.ac: Check for glibc support for gnu_indirect_function
 170         support with static linking, setting automake conditional
 171         IFUNC_STATIC.
 172         * Makefile.in: Regenerate.
 173         * configure: Regenerate.
 174
 175         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 176         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 177         for IFUNC_STATIC.
 178         * testsuite/Makefile.in: Regenerate.
 179
 180 2011-09-13  Cary Coutant  <ccoutant@google.com>
 181
 182         * incremental.cc (Sized_relobj_incr::do_layout): Call
 183         report_comdat_group for kept comdat sections.
 184         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 185         * testsuite/Makefile.in: Regenerate.
 186         * testsuite/incr_comdat_test_1.cc: New source file.
 187         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 188         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 189         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 190
 191 2011-09-13  Ian Lance Taylor  <iant@google.com>
 192
 193         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 194         variable external_symbols_offset.
 195
 196 2011-09-12  Ian Lance Taylor  <iant@google.com>
 197
 198         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 199         triggered if object has no symbols.
 200
 201 2011-09-09  David S. Miller  <davem@davemloft.net>
 202
 203         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 204         (Output_fill_debug_line::do_write): Likewise.
 205
 206 2011-08-29  Cary Coutant  <ccoutant@google.com>
 207
 208         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 209         casts to match formatting specs.
 210         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 211
 212 2011-08-26  Cary Coutant  <ccoutant@google.com>
 213
 214         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 215         remaining hole size when allocating.
 216         (Layout::make_output_section): Set fill methods for debug sections.
 217         * layout.h (Free_list::Free_list_node): Move from private to
 218         public.
 219         (Free_list::set_min_hole_size): New function.
 220         (Free_list::begin, Free_list::end): New functions.
 221         (Free_list::min_hole_): New data member.
 222         * output.cc: Include dwarf.h.
 223         (Output_fill_debug_info::do_minimum_hole_size): New function.
 224         (Output_fill_debug_info::do_write): New function.
 225         (Output_fill_debug_line::do_minimum_hole_size): New function.
 226         (Output_fill_debug_line::do_write): New function.
 227         (Output_section::Output_section): Initialize new data member.
 228         (Output_section::set_final_data_size): Ensure patch space is larger
 229         than minimum hole size.
 230         (Output_section::do_write): Fill holes in debug sections.
 231         * output.h (Output_fill): New class.
 232         (Output_fill_debug_info): New class.
 233         (Output_fill_debug_line): New class.
 234         (Output_section::set_free_space_fill): New function.
 235         (Output_section::free_space_fill_): New data member.
 236         * testsuite/Makefile.am (incremental_test_3): Add
 237         --incremental-patch option.
 238         (incremental_test_4): Likewise.
 239         (incremental_test_5): Likewise.
 240         (incremental_test_6): Likewise.
 241         (incremental_copy_test): Likewise.
 242         (incremental_common_test_1): Likewise.
 243         * testsuite/Makefile.in: Regenerate.
 244
 245 2011-08-26  Nick Clifton  <nickc@redhat.com>
 246
 247         * po/es.po: Updated Spanish translation.
 248
 249 2011-08-01  Cary Coutant  <ccoutant@google.com>
 250
 251         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 252         * gold/testsuite/Makefile.in: Regenerate.
 253         * gold/testsuite/justsyms_exec.c: New source file.
 254         * gold/testsuite/justsyms_lib.c: New source file.
 255
 256 2011-08-01  Cary Coutant  <ccoutant@google.com>
 257
 258         * layout.cc (Layout::set_segment_offsets): Don't realign text
 259         segment if -Ttext was specified.
 260         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 261         file type.
 262         * object.h (Sized_relobj_file::e_type): New function.
 263         (Sized_relobj_file::e_type_): New data member.
 264         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 265         base address for ET_EXEC files.
 266         * target.cc (Target::do_make_elf_object_implementation): Allow
 267         ET_EXEC files with --just-symbols option.
 268
 269 2011-07-28  Cary Coutant  <ccoutant@google.com>
 270
 271         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 272         Add thread_number parameter.
 273         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 274         * workqueue-threads.cc
 275         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 276         current thread if its thread number is greater than desired thread
 277         count.
 278         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 279         Add thread_number parameter.
 280         (Workqueue::should_cancel_thread): Likewise.
 281         (Workqueue::find_runnable_or_wait): Pass thread_number to
 282         should_cancel_thread.
 283         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 284         parameter.
 285
 286 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 287
 288         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 289         only after checking if it cannot be forced local.
 290         * symtab.h (is_externally_visible): Check if the symbol is not forced
 291         local.
 292
 293 2011-07-15  Ian Lance Taylor  <iant@google.com>
 294
 295         * options.h (class General_options): Add --print-output-format.
 296         Move -EL next to -EB, for  better --help output.
 297         * target-select.cc: Include <cstdio>, "options.h", and
 298         "parameters.h".
 299         (Target_selector::do_target_bfd_name): New function.
 300         (print_output_format): New function.
 301         * target-select.h (class Target_selector): Update declarations.
 302         (Target_selector::target_bfd_name): New function.
 303         (print_output_format): Declare.
 304         * main.cc: Include "target-select.h".
 305         (main): Handle --print-output-format.
 306         * gold.cc: Include "target-select.h".
 307         (queue_initial_tasks): Handle --print-output-format when there are
 308         no input files.
 309         * parameters.cc (parameters_force_valid_target): Give a better
 310         error message if -EB/-EL does not match target.
 311         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 312         function.
 313
 314 2011-07-15  Ian Lance Taylor  <iant@google.com>
 315
 316         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 317         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 318         (Output_data_plt_i386::do_write): Write address of .dynamic
 319         section to first entry in .got.plt section.
 320         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 321         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 322         Initialize layout_.
 323         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 324         section to first entry in .got.plt section.
 325         * layout.h (Layout::dynamic_section): New function.
 326
 327 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 328
 329         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 330         to claim_file call.
 331         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 332         input_section_position_, and input_section_glob_.
 333         (read_layout_from_file): Call function section_ordering_specified.
 334         * layout.h (is_section_ordering_specified): New function.
 335         (section_ordering_specified): New function.
 336         (section_ordering_specified_): New boolean member.
 337         * main.cc(main): Call load_plugins after layout object is defined.
 338         * output.cc (Output_section::add_input_section): Use
 339         function section_ordering_specified to check if section ordering is
 340         needed.
 341         * output.cc (Output_section::add_relaxed_input_section): Use
 342         function section_ordering_specified to check if section ordering is
 343         needed.
 344         (Output_section::update_section_layout): New function.
 345         (Output_section::sort_attached_input_sections): Check if input section
 346         must be reordered.
 347         * output.h (Output_section::update_section_layout): New function.
 348         * plugin.cc (get_section_count): New function.
 349         (get_section_type): New function.
 350         (get_section_name): New function.
 351         (get_section_contents): New function.
 352         (update_section_order): New function.
 353         (allow_section_ordering): New function.
 354         (Plugin::load): Add the new interfaces to the transfer vector.
 355         (Plugin_manager::load_plugins): New parameter.
 356         (Plugin_manager::all_symbols_read): New parameter.
 357         (Plugin_manager::claim_file): New parameter. Save the elf object for
 358         unclaimed objects.
 359         (Plugin_manager::get_elf_object): New function.
 360         (Plugin_manager::get_view): Change to directly use the bool to check
 361         if get_view is called from claim_file_hook.
 362         * plugin.h (input_objects): New function
 363         (Plugin__manager::load_plugins): New parameter.
 364         (Plugin_manager::claim_file): New parameter.
 365         (Plugin_manager::get_elf_object): New function.
 366         (Plugin_manager::in_claim_file_handler): New function.
 367         (Plugin_manager::in_claim_file_handler_): New member.
 368         (layout): New function.
 369         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 370         handler with an extra parameter. Make the elf object before calling
 371         claim_file handler.
 372         * testsuite/plugin_test.c (get_section_count): New function pointer.
 373         (get_section_type): New function pointer.
 374         (get_section_name): New function pointer.
 375         (get_section_contents): New function pointer.
 376         (update_section_order): New function pointer.
 377         (allow_section_ordering): New function pointer.
 378         (onload): Check if the new interfaces exist.
 379
 380 2011-07-13  Ian Lance Taylor  <iant@google.com>
 381
 382         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 383         relro section.
 384         * x86_64.cc (Target_x86_64::got_section): Likewise.
 385         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 386         (relro_now_test_SOURCES): New variable.
 387         (relro_now_test_DEPENDENCIES): New variable.
 388         (relro_now_test_LDFLAGS): New variable.
 389         (relro_now_test_LDADD): New variable.
 390         (relro_now_test.so): New target.
 391         * testsuite/Makefile.in: Rebuild.
 392
 393 2011-07-12  Ian Lance Taylor  <iant@google.com>
 394
 395         PR gold/12980
 396         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 397         GLOB_DAT relocation rather than a RELATIVE relocation for a
 398         protected symbol when creating a shared library.
 399         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 400         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 401         * testsuite/protected_main_1.cc (main): Test that protected
 402         function has same address.
 403
 404 2011-07-11  Ian Lance Taylor  <iant@google.com>
 405
 406         PR gold/12979
 407         * options.h (class General_options): Add -Bgroup.
 408         * options.cc (General_options::finalize): If -Bgroup is set,
 409         default to --unresolved-symbols=report-all.
 410         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 411         * target-reloc.h (issue_undefined_symbol_error): Handle
 412         --unresolved-symbols=report-all.
 413
 414 2011-07-08  Ian Lance Taylor  <iant@google.com>
 415
 416         PR gold/11985
 417         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 418         if linker script discards key sections.
 419         (Layout::create_dynamic_symtab): Likewise.
 420         (Layout::assign_local_dynsym_offsets): Likewise.
 421         (Layout::sized_create_version_sections): Likewise.
 422         (Layout::create_interp): Likewise.
 423         (Layout::finish_dynamic_section): Likewise.
 424         (Layout::set_dynamic_symbol_size): Likewise.
 425
 426 2011-07-08  Ian Lance Taylor  <iant@google.com>
 427
 428         PR gold/12386
 429         * options.h (class General_options): Add --unresolved-symbols.
 430         * target-reloc.h (issue_undefined_symbol_error): Check
 431         --unresolved-symbols.  Add comments.
 432
 433 2011-07-08  Ian Lance Taylor  <iant@google.com>
 434
 435         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 436         expression more complex.
 437
 438 2011-07-08  Ian Lance Taylor  <iant@google.com>
 439
 440         PR gold/11317
 441         * target-reloc.h (issue_undefined_symbol_error): New inline
 442         function, broken out of relocate_section.
 443         (relocate_section): Call issue_undefined_symbol_error.
 444         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 445         there is no TLS segment if we are about to issue an undefined
 446         symbol error.
 447         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 448
 449 2011-07-08  Ian Lance Taylor  <iant@google.com>
 450
 451         PR gold/12279
 452         * resolve.cc (Symbol_table::should_override): Add fromtype
 453         parameter.  Change all callers.  Give error when linking together
 454         TLS and non-TLS symbol.
 455         (Symbol_table::should_override_with_special): Add fromtype
 456         parameter.  Change all callers.
 457         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 458         there is no TLS segment if we have reported some errors.
 459         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 460
 461 2011-07-08  Ian Lance Taylor  <iant@google.com>
 462
 463         PR gold/12372
 464         * target.h (Target::plt_address_for_global): New function.
 465         (Target::plt_address_for_local): New function.
 466         (Target::plt_section_for_global): Remove.
 467         (Target::plt_section_for_local): Remove.
 468         (Target::do_plt_address_for_global): New virtual function.
 469         (Target::do_plt_address_for_local): New virtual function.
 470         (Target::do_plt_section_for_global): Remove.
 471         (Target::do_plt_section_for_local): Remove.
 472         (Target::register_global_plt_entry): Add Symbol_table and Layout
 473         parameters.
 474         * output.cc (Output_data_got::Got_entry::write): Use
 475         plt_address_for_global and plt_address_for_local.
 476         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 477         address of output section.
 478         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 479         got_irelative_, and irelative_count_ fields.  Update
 480         declarations.
 481         (Output_data_plt_i386::has_irelative_section): New function.
 482         (Output_data_plt_i386::entry_count): Add irelative_count_.
 483         (Output_data_plt_i386::set_final_data_size): Likewise.
 484         (class Target_i386): Add got_irelative_ and rel_irelative_
 485         fields.  Update declarations.
 486         (Target_i386::Target_i386): Initialize new fields.
 487         (Target_i386::do_plt_address_for_global): New function replacing
 488         do_plt_section_for_global.
 489         (Target_i386::do_plt_address_for_local): New function replacing
 490         do_plt_section_for_local.
 491         (Target_i386::got_section): Create got_irelative_.
 492         (Target_i386::rel_irelative_section): New function.
 493         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 494         fields.  Don't define __rel_iplt_{start,end}.
 495         (Output_data_plt_i386::add_entry): Add symtab and layout
 496         parameters.  Change all callers.  Use different PLT and GOT for
 497         IFUNC symbols.
 498         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 499         layout parameters.  Change all callers.  Use different PLT and
 500         GOT.
 501         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 502         (Output_data_plt_i386::rel_irelative): New function.
 503         (Output_data_plt_i386::address_for_global): New function.
 504         (Output_data_plt_i386::address_for_local): New function.
 505         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 506         IRELATIVE GOT when changing IFUNC GOT entries.
 507         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 508         reloc.
 509         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 510         if we didn't create an IRELATIVE GOT.
 511         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 512         plt_address_for_local.
 513         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 514         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 515         got_irelative_, and irelative_count_ fields.  Update
 516         declarations.
 517         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 518         Initialize new fields.  Remove symtab parameter.  Change all
 519         callers.
 520         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 521         irelative_count_.
 522         (Output_data_plt_x86_64::has_irelative_section): New function.
 523         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 524         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 525         fields.  Update declarations.
 526         (Target_x86_64::Target_x86_64): Initialize new fields.
 527         (Target_x86_64::do_plt_address_for_global): New function replacing
 528         do_plt_section_for_global.
 529         (Target_x86_64::do_plt_address_for_local): New function replacing
 530         do_plt_section_for_local.
 531         (Target_x86_64::got_section): Create got_irelative_.
 532         (Target_x86_64::rela_irelative_section): New function.
 533         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 534         all callers.  Don't create __rel_iplt_{start,end}.
 535         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 536         parameters.  Change all callers.  Use different PLT and GOT for
 537         IFUNC symbols.
 538         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 539         layout parameters.  Change all callers.  Use different PLT and
 540         GOT.
 541         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 542         parameters.  Change all callers.  Use different PLT and GOT for
 543         IFUNC symbols.
 544         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 545         (Output_data_plt_x86_64::rela_irelative): New function.
 546         (Output_data_plt_x86_64::address_for_global): New function.
 547         (Output_data_plt_x86_64::address_for_local): New function.
 548         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 549         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 550         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 551         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 552         parameters.
 553         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 554         reloc.
 555         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 556         symbols if we didn't create an IRELATIVE GOT.
 557         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 558         plt_address_for_local.
 559         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 560         * testsuite/ifuncvar1.c: New test file.
 561         * testsuite/ifuncvar2.c: New test file.
 562         * testsuite/ifuncvar3.c: New test file.
 563         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 564         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 565         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 566         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 567         * testsuite/Makefile.in: Rebuild.
 568
 569 2011-07-07  Cary Coutant  <ccoutant@google.com>
 570
 571         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 572         (two_file_test_1_ndebug.o): Likewise.
 573         (two_file_test_1b_ndebug.o): Likewise.
 574         (two_file_test_2_ndebug.o): Likewise.
 575         (two_file_test_main_ndebug.o): Likewise.
 576         (incremental_test_2): Link with no-debug versions.
 577
 578 2011-07-06  Cary Coutant  <ccoutant@google.com>
 579
 580         * gold/incremental.cc
 581         (Output_section_incremental_inputs::write_info_blocks): Check for
 582         hidden and internal symbols.
 583
 584 2011-07-06  Cary Coutant  <ccoutant@google.com>
 585
 586         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 587         Check disposition for startup file.
 588         (Incremental_inputs::report_command_line): Ignore
 589         --incremental-startup-unchanged option.
 590         * options.cc (General_options::parse_incremental_startup_unchanged):
 591         New function.
 592         (General_options::General_options): Initialize new data member.
 593         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 594         (General_options): Add --incremental-startup-unchanged option.
 595         (General_options::incremental_startup_disposition): New function.
 596         (General_options::incremental_startup_disposition_): New data member.
 597
 598 2011-07-06  Cary Coutant  <ccoutant@google.com>
 599
 600         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 601         input file index to Script_info ctor.
 602         (Sized_incremental_binary::do_file_has_changed): Find the
 603         command-line argument for files named in scripts.
 604         * incremental.h (Script_info::Script_info): New ctor
 605         with input file index.
 606         (Script_info::input_file_index): New function.
 607         (Script_info::input_file_index_): New data member.
 608         (Incremental_binary::get_library): Add const.
 609         (Incremental_binary::get_script_info): Add const.
 610         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 611         * testsuite/Makefile.am (incremental_test_5): New test case.
 612         (incremental_test_6): New test case.
 613         * testsuite/Makefile.in: Regenerate.
 614
 615 2011-07-06  Cary Coutant  <ccoutant@google.com>
 616
 617         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 618         debug output when command lines differ.
 619
 620 2011-07-06  Cary Coutant  <ccoutant@google.com>
 621
 622         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 623         --incremental-patch option.
 624         * layout.cc (Free_list::allocate): Extend allocation beyond original
 625         end if enabled.
 626         (Layout::make_output_section): Mark sections that should get
 627         patch space.
 628         * options.cc (parse_percent): New function.
 629         * options.h (parse_percent): New function.
 630         (DEFINE_percent): New macro.
 631         (General_options): Add --incremental-patch option.
 632         * output.cc (Output_section::Output_section): Initialize new data
 633         members.
 634         (Output_section::add_input_section): Print section name when out
 635         of patch space.
 636         (Output_section::add_output_section_data): Likewise.
 637         (Output_section::set_final_data_size): Add patch space when
 638         doing --incremental-full.
 639         (Output_section::do_reset_address_and_file_offset): Remove patch
 640         space.
 641         (Output_segment::set_section_list_addresses): Print debug output
 642         only if --incremental-update.
 643         * output.h (Output_section::set_is_patch_space_allowed): New function.
 644         (Output_section::is_patch_space_allowed_): New data member.
 645         (Output_section::patch_space_): New data member.
 646         * parameters.cc (Parameters::incremental_full): New function.
 647         * parameters.h (Parameters::incremental_full): New function
 648         * testsuite/Makefile.am (incremental_test_2): Add test for
 649         --incremental-patch option.
 650         * testsuite/Makefile.in: Regenerate.
 651         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 652         (t18): Remove function body.
 653
 654 2011-07-05  Doug Kwan  <dougkwan@google.com>
 655
 656         PR gold/12771
 657         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 658         Arm_Address type for relocation result.
 659         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 660         overflow check.
 661         (Arm_relocate_functions::abs32): Use unaligned access.
 662         (Arm_relocate_functions::rel32): Ditto.
 663         (Arm_relocate_functions::prel31): Ditto.
 664         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 665         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 666         static data relocations.
 667         * testsuite/Makefile.in: Regnerate.
 668         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 669
 670 2011-07-05  Ian Lance Taylor  <iant@google.com>
 671
 672         PR gold/12392
 673         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 674         symbols if necessary.
 675         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 676
 677 2011-07-05  Ian Lance Taylor  <iant@google.com>
 678
 679         PR gold/12952
 680         * resolve.cc (Symbol::override_base_with_special): Simply override
 681         version with special symbol version, ignoring previous version.
 682
 683 2011-07-05  Ian Lance Taylor  <iant@google.com>
 684
 685         * object.cc (Sized_relobj_file::include_section_group): Add
 686         information to comment about signature location.
 687
 688 2011-07-02  Ian Lance Taylor  <iant@google.com>
 689
 690         PR gold/12957
 691         * options.h (class General_options): Add -f and -F.
 692         * options.cc (General_options::finalize): Fatal error if -f/-F
 693         are used without -shared.
 694         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 695
 696 2011-07-02  Ian Lance Taylor  <iant@google.com>
 697
 698         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 699
 700 2011-07-01  Ian Lance Taylor  <iant@google.com>
 701
 702         PR gold/12525
 703         PR gold/12952
 704         * resolve.cc (Symbol::override_base_with_special): Don't override
 705         the version if the overriding symbol has a different name.
 706         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 707         all callers.  If we give an error about an undefined version,
 708         define the base version if necessary.
 709         * dynobj.h (class Versions): Update declaration.
 710         * testsuite/weak_alias_test_5.cc: New file.
 711         * testsuite/weak_alias_test.script: New file.
 712         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 713         and versioned_alias have the right value, and call t2.
 714         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 715         weak_alias_test_5.so.
 716         (weak_alias_test_LDADD): Likewise.
 717         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 718         * testsuite/Makefile.in: Rebuild.
 719
 720 2011-07-01  Ian Lance Taylor  <iant@google.com>
 721
 722         PR gold/12525
 723         * options.h (class General_options): Support -z notext.
 724         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 725         -Wl,-z,notext.
 726         (two_file_shared_nonpic.so): Likewise.
 727         (two_file_shared_mixed.so): Likewise.
 728         (two_file_shared_mixed_1.so): Likewise.
 729         (weak_undef_lib_nonpic.so): Likewise.
 730         (alt/weak_undef_lib_nonpic.so): Likewise.
 731         (tls_test_shared_nonpic.so): Likewise.
 732         * testsuite/Makefile.in: Rebuild.
 733
 734 2011-07-01  Ian Lance Taylor  <iant@google.com>
 735
 736         PR gold/12525
 737         * configure.ac: Test whether static linking works, setting
 738         the automake conditional HAVE_STATIC.
 739         * testsuite/Makefile.am: Disable tests using -static if
 740         HAVE_STATIC is not true.
 741         * configure, testsuite/Makefile.in: Rebuild.
 742
 743 2011-07-01  Ian Lance Taylor  <iant@google.com>
 744
 745         PR gold/12525
 746         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 747         Assert if we see DW_EH_PE_indirect.
 748         * target.h (Target::ehframe_datarel_base): New function.
 749         (Target::do_ehframe_datarel_base): New target function.
 750         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 751         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 752         function.
 753
 754 2011-07-01  Ian Lance Taylor  <iant@google.com>
 755
 756         PR gold/12571
 757         * options.h (class General_options): Add
 758         --ld-generated-unwind-info.
 759         * ehframe.cc (Fde::write): Add address parameter.  Change all
 760         callers.  If associated with PLT, fill in address and size.
 761         (Cie::set_output_offset): Only add merge mapping if there is an
 762         object.
 763         (Cie::write): Add address parameter.  Change all callers.
 764         (Eh_frame::add_ehframe_for_plt): New function.
 765         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 766         input_offset_ fields into union u_, with new plt field.
 767         (Fde::Fde): Adjust for new union field.
 768         (Fde::Fde) [Output_data version]: New constructor.
 769         (Fde::add_mapping): Only add merge mapping if there is an object.
 770         (class Cie): Update declarations.
 771         (class Eh_frame): Declare add_ehframe_for_plt.
 772         * layout.cc (Layout::layout_eh_frame): Break out code into
 773         make_eh_frame_section, and call it.
 774         (Layout::make_eh_frame_section): New function.
 775         (Layout::add_eh_frame_for_plt): New function.
 776         * layout.h (class Layout): Update declarations.
 777         * merge.cc (Merge_map::add_mapping): Add assertion.
 778         * i386.cc: Include "dwarf.h".
 779         (class Output_data_plt_i386): Make first_plt_entry,
 780         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 781         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 782         and plt_eh_frame_fde.
 783         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 784         boundary.  Call add_eh_frame_for_plt if appropriate.
 785         * x86_64.cc: Include "dwarf.h".
 786         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 787         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 788         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 789         and plt_eh_frame_fde.
 790         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 791         appropriate.
 792
 793 2011-06-29  Ian Lance Taylor  <iant@google.com>
 794
 795         PR gold/12629
 796         * object.cc (Sized_relobj_file::layout_section): Change shdr
 797         parameter to be const.
 798         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 799         out of do_layout.
 800         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 801         appropriate.  Call layout_eh_frame_section.
 802         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 803         sections.
 804         * object.h (class Sized_relobj_file): Update declarations.
 805
 806 2011-06-29  Ian Lance Taylor  <iant@google.com>
 807
 808         PR gold/12652
 809         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 810         modifier.
 811         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 812
 813 2011-06-29  Ian Lance Taylor  <iant@google.com>
 814
 815         PR gold/12675
 816         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 817         SHT_X86_64_UNWIND.
 818         * layout.cc (Layout::layout_eh_frame): Likewise.
 819
 820 2011-06-29  Ian Lance Taylor  <iant@google.com>
 821
 822         PR gold/12695
 823         * layout.cc (Layout::symtab_section_shndx): New function.
 824         * layout.h (class Layout): Declare symtab_section_shndx.
 825         * output.cc (Output_section::write_header): Call it.
 826
 827 2011-06-29  Ian Lance Taylor  <iant@google.com>
 828
 829         PR gold/12818
 830         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 831         symbols which are not used in a relocation.
 832
 833 2011-06-28  Ian Lance Taylor  <iant@google.com>
 834
 835         PR gold/12898
 836         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 837         script create indistinguishable segments.
 838         (Layout::set_segment_offsets): Use stable_sort when sorting
 839         segments.  Pass this to Compare_segments constructor.
 840         * layout.h (class Layout): Make segment_precedes non-static.
 841         (class Compare_segments): Change from struct to class.  Add
 842         layout_ field.  Add constructor.
 843         * script-sections.cc
 844         (Script_sections::attach_sections_using_phdrs_clause): Rename
 845         local orphan to is_orphan.  Don't report failure to put empty
 846         section in segment.  On attachment failure, report name of
 847         section, and attach to first PT_LOAD segment.
 848
 849 2011-06-28  Ian Lance Taylor  <iant@google.com>
 850
 851         PR gold/12934
 852         * target-select.cc (Target_selector::Target_selector): Add
 853         emulation parameter.  Change all callers.
 854         (select_target_by_bfd_name): Rename from select_target_by_name.
 855         Change all callers.
 856         (select_target_by_emulation): New function.
 857         (supported_emulation_names): New function.
 858         * target-select.h (class Target_selector): Add emulation_ field.
 859         Update declarations.
 860         (Target_selector::recognize_by_bfd_name): Rename from
 861         recognize_by_name.  Change all callers.
 862         (Target_selector::supported_bfd_names): Rename from
 863         supported_names.  Change all callers.
 864         (Target_selector::recognize_by_emulation): New function.
 865         (Target_selector::supported_emulations): New function.
 866         (Target_selector::emulation): New function.
 867         (Target_selector::do_recognize_by_bfd_name): Rename from
 868         do_recognize_by_name.  Change all callers.
 869         (Target_selector::do_supported_bfd_names): Rename from
 870         do_supported_names.  Change all callers.
 871         (Target_selector::do_recognize_by_emulation): New function.
 872         (Target_selector::do_supported_emulations): New function.
 873         (select_target_by_bfd_name): Change name in declaration.
 874         (select_target_by_emulation): Declare.
 875         (supported_emulation_names): Declare.
 876         * parameters.cc (parameters_force_valid_target): Try to find
 877         target based on emulation from -m option.
 878         * options.h (class General_options): Change doc string for -m.
 879         * options.cc (help): Print emulations.
 880         (General_options::parse_V): Likewise.
 881         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 882         Add emulation parameter.  Change all callers.
 883
 884 2011-06-28  Ian Lance Taylor  <iant@google.com>
 885
 886         * target.h (class Target): Add osabi_ field.
 887         (Target::osabi): New function.
 888         (Target::set_osabi): New function.
 889         (Target::Target): Initialize osabi_.
 890         (Target::do_adjust_elf_header): Make pure virtual.
 891         (Sized_target::do_adjust_elf_header): Declare.
 892         * target.cc (Sized_target::do_adjust_elf_header): New function.
 893         (class Sized_target): Instantiate all versions.
 894         * freebsd.h (class Target_freebsd): Remove.
 895         (Target_selector_freebsd::do_recognize): Call set_osabi on
 896         Target.
 897         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 898         (Target_selector_freebsd::set_osabi): Remove.
 899         * i386.cc (class Target_i386): Inherit from Sized_target rather
 900         than Target_freebsd.
 901         * x86_64.cc (class Target_x86_64): Likewise.
 902
 903 2011-06-28  Ian Lance Taylor  <iant@google.com>
 904
 905         * target.h (Target::can_check_for_function_pointers): Rewrite.
 906         Make non-virtual.
 907         (Target::can_icf_inline_merge_sections): Likewise.
 908         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 909         (Target::Target_info): Add can_icf_inline_merge_sections field.
 910         (Target::do_can_check_for_function_pointers): New virtual
 911         function.
 912         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 913         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 914         from can_check_for_function_pointers, move in file.
 915         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 916         section_may_have_icf_unsafe_poineters, move in file.
 917         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 918         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 919         Rename from can_check_for_function_pointers, move in file.
 920         (Target_i386::can_icf_inline_merge_sections): Remove.
 921         (Target_i386::i386_info): Initialize
 922         can_icf_inline_merge_sections.
 923         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 924         Initialize can_icf_inline_merge_sections.
 925         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 926         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 927         Rename from can_check_for_function_pointers, move in file.
 928         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 929         (Target_x86_64::x86_64_info): Initialize
 930         can_icf_inline_merge_sections.
 931         * testsuite/testfile.cc (Target_test::test_target_info):
 932         Likewise.
 933         * icf.cc (get_section_contents): Correct formatting.
 934
 935 2011-06-27  Ian Lance Taylor  <iant@google.com>
 936
 937         * symtab.cc (Symbol::versioned_name): New function.
 938         (Symbol_table::add_to_final_symtab): Use versioned_name when
 939         appropriate.
 940         (Symbol_table::sized_write_symbol): Likewise.
 941         * symtab.h (class Symbol): Declare versioned_name.
 942         * stringpool.h (class Stringpool_template): Add variant of add
 943         which takes a std::basic_string.
 944         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 945         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 946         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 947         (ver_test_12.o): New target.
 948         * testsuite/Makefile.in: Rebuild.
 949
 950 2011-06-27  Doug Kwan  <dougkwan@google.com>
 951
 952         * arm.cc (Arm_relocate_functions::thm_jump8,
 953         Arm_relocate_functions::thm_jump11): Use a wider signed
 954         type to compute offset.
 955         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 956         arm_thm_jump8.
 957         * testsuite/Makefile.in: Regenerate.
 958         * testsuite/arm_branch_in_range.sh: Check test results of
 959         arm_thm_jump11 and arm_thm_jump8.
 960         * testsuite/arm_thm_jump11.s: New test source file.
 961         * testsuite/arm_thm_jump11.t: New linker script.
 962         * testsuite/arm_thm_jump8.s: New test source file.
 963         * testsuite/arm_thm_jump8.t: New linker script.
 964
 965 2011-06-24  Ian Lance Taylor  <iant@google.com>
 966
 967         * layout.cc: Include "object.h".
 968         (ctors_sections_in_init_array): New static variable.
 969         (Layout::is_ctors_in_init_array): New function.
 970         (Layout::layout): Add entry to ctors_sections_in_init_array if
 971         appropriate.
 972         * layout.h (class Layout): Declare is_ctors_in_init_array.
 973         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 974         is_ctors_reverse_view is set.
 975         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 976         all callers.  Set is_ctors_reverse_view field of View_size.
 977         (Sized_relobj_file::reverse_words): New function.
 978         * object.h (Sized_relobj_file::View_size): Add
 979         is_ctors_reverse_view field.
 980         (class Sized_relobj_file): Update declarations.
 981         * testsuite/initpri3.c: New test.
 982         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 983         initpri3b.
 984         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 985         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 986         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 987         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 988         * testsuite/Makefile.in: Rebuild.
 989
 990 2011-06-24  Cary Coutant  <ccoutant@google.com>
 991
 992         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 993         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 994         (debug_msg_cdebug.err): New targets.
 995         * testsuite/Makefile.in: Regenerate.
 996         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 997         Fix checks for link with shared library.
 998
 999 2011-06-24  Doug Kwan  <dougkwan@google.com>
1000
1001         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1002         skip empty text sections.
1003         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1004
1005 2011-06-22  Ian Lance Taylor  <iant@google.com>
1006
1007         PR gold/12910
1008         * options.h (class General_options): Add --ctors-in-init-array.
1009         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1010         friends as SHT_PROGBITS for merging sections.
1011         (Layout::layout): Remove special handling of .init_array and
1012         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1013         and .dtors if ctors_in_init_array.
1014         (Layout::make_output_section): Force correct section types for
1015         .init_array and friends.  Don't sort if doing relocatable link,
1016         Don't sort .ctors and .dtors if ctors_in_init_array.
1017         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1018         (Layout::output_section_name): Add relobj parameter.  Change all
1019         callers.  Handle .ctors. and .dtors. in code rather than table.
1020         Handle .ctors and .dtors if ctors_in_init_array.
1021         (Layout::match_file_name): New function, moved from output.cc.
1022         * layout.h (class Layout): Update declarations.
1023         * output.cc: Include "layout.h".
1024         (Input_section_sort_entry::get_priority): New function.
1025         (Input_section_sort_entry::match_file_name): Just call
1026         Layout::match_file_name.
1027         (Output_section::Input_section_sort_init_fini_compare::operator()):
1028         Handle .ctors and .dtors.  Sort by explicit priority rather than
1029         by name.
1030         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1031         * testsuite/initpri2.c: New test.
1032         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1033         (check_PROGRAMS): Add initpri2.
1034         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1035         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1036         * configure, testsuite/Makefile.in: Rebuild.
1037
1038 2011-06-19  Ian Lance Taylor  <iant@google.com>
1039
1040         PR gold/12880
1041         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1042         .interp section to a PT_INTERP segment even if we have seen a
1043         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1044         clause in a linker script.
1045         (Layout::finalize): Don't create a .interp section if we've
1046         already create a PT_INTERP segment.
1047         (Layout::create_interp): Always call choose_output_section (revert
1048         patch of 2011-06-17).  Don't create PT_INTERP segment.
1049         * script-sections.cc
1050         (Script_sections::create_note_and_tls_segments): Add a .interp
1051         section to a PT_INTERP segment even if we have seen a
1052         --dynamic-linker option.
1053
1054 2011-06-18  Ian Lance Taylor  <iant@google.com>
1055
1056         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1057         merely because a non-PT_LOAD segment has a dynamic reloc.
1058
1059 2011-06-18  Ian Lance Taylor  <iant@google.com>
1060
1061         * layout.cc (Layout::finish_dynamic_section): Don't create
1062         DT_FLAGS entry if not needed.
1063
1064 2011-06-18  Ian Lance Taylor  <iant@google.com>
1065
1066         PR gold/12745
1067         * layout.cc (Layout::layout_eh_frame): Correct handling of
1068         writable .eh_frame section.
1069
1070 2011-06-17  Ian Lance Taylor  <iant@google.com>
1071
1072         PR gold/12893
1073         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1074         symbol is redefined with the exact same object and value.
1075
1076 2011-06-17  Ian Lance Taylor  <iant@google.com>
1077
1078         PR gold/12880
1079         * layout.h (class Layout): Add interp_segment_ field.
1080         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1081         (Layout::attach_allocated_section_to_segment): If making shared
1082         library, put .interp section in PT_INTERP segment.
1083         (Layout::finalize): Also call create_interp if -dynamic-linker
1084         option was used.
1085         (Layout::create_interp): Assert that there is no PT_INTERP
1086         segment.  If not using a SECTIONS clause, use make_output_section.
1087         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1088         * script-sections.cc
1089         (Script_sections::create_note_and_tls_segments): If making shared
1090         library, put .interp section in PT_INTERP segment.
1091
1092 2011-06-17  Ian Lance Taylor  <iant@google.com>
1093
1094         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1095         when making a shared library.
1096
1097 2011-06-17  Ian Lance Taylor  <iant@google.com>
1098
1099         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1100         parameter.  Change all callers.  Don't issue warning about PC32
1101         against locally defined symbol.
1102
1103 2011-06-16  Ian Lance Taylor  <iant@google.com>
1104
1105         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1106         occurs in same object.
1107
1108 2011-06-14  Alan Modra  <amodra@gmail.com>
1109
1110         * po/POTFILES.in: Regenerate.
1111
1112 2011-06-09  Ian Lance Taylor  <iant@google.com>
1113
1114         * script-sections.cc
1115         (Orphan_output_section::set_section_addresses): For a relocatable
1116         link set address to 0.
1117
1118 2011-06-09  Cary Coutant  <ccoutant@google.com>
1119
1120         PR gold/12804
1121         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1122         used with --compress-debug-sections.
1123         * gold/object.cc (Sized_relobj_file::do_layout): Report
1124         uncompressed size of compressed input sections.
1125
1126 2011-06-08  Cary Coutant  <ccoutant@google.com>
1127
1128         PR gold/12804
1129         * testsuite/two_file_test_2_v1.cc: Change initialization of
1130         v2 to keep it in .data.
1131
1132 2011-06-07  Cary Coutant  <ccoutant@google.com>
1133
1134         * common.cc (Symbol_table::do_allocate_commons_list): Call
1135         gold_fallback.
1136         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1137         (Errors::fallback): New function.
1138         (gold_fallback): New function.
1139         * errors.h (Errors::fallback): New function.
1140         * gold.cc (gold_exit): Change status parameter to enum; adjust
1141         all callers.
1142         (queue_initial_tasks): Call gold_fallback.
1143         * gold.h: Include cstdlib.
1144         (Exit_status): New enum type.
1145         (gold_exit): Change status parameter to enum.
1146         (gold_fallback): New function.
1147         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1148         (Layout::create_symtab_sections): Likewise.
1149         (Layout::create_shdrs): Likewise.
1150         * main.cc (main): Adjust call to gold_exit.
1151         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1152         (Output_data_got::add_got_entry_pair): Likewise.
1153         (Output_section::add_input_section): Likewise.
1154         (Output_section::add_output_section_data): Likewise.
1155         (Output_segment::set_section_list_addresses): Likewise.
1156         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1157
1158 2011-06-07  Cary Coutant  <ccoutant@google.com>
1159
1160         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1161         for incremental links.
1162         * output.cc (Output_segment::set_section_list_addresses): Remove
1163         FIXME and test for TLS or BSS.
1164
1165 2011-06-07  Cary Coutant  <ccoutant@google.com>
1166
1167         * testsuite/Makefile.am: Add incremental_copy_test,
1168         incremental_common_test_1.
1169         * testsuite/Makefile.in: Regenerate.
1170         * testsuite/common_test_1_v1.c: New source file.
1171         * testsuite/common_test_1_v2.c: New source file.
1172         * testsuite/copy_test_v1.cc: New source file.
1173
1174 2011-06-07  Cary Coutant  <ccoutant@google.com>
1175
1176         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1177         update, allocate common from bss section's free list.
1178         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1179         linker-defined symbols.
1180         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1181         Skip GOT and PLT entries that are no longer referenced.
1182         (Output_section_incremental_inputs::write_info_blocks): Mark
1183         linker-defined symbols.
1184         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1185         * output.cc (Output_section::allocate): New function.
1186         * output.h (Output_section::allocate): New function.
1187         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1188         linker-defined symbols.
1189         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1190         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1191         (Symbol::init_base_output_data): Likewise.
1192         (Symbol::init_base_output_segment): Likewise.
1193         (Symbol::init_base_constant): Likewise.
1194         (Sized_symbol::init_output_data): Likewise.
1195         (Sized_symbol::init_output_segment): Likewise.
1196         (Sized_symbol::init_constant): Likewise.
1197         (Symbol_table::do_define_in_output_data): Likewise.
1198         (Symbol_table::do_define_in_output_segment): Likewise.
1199         (Symbol_table::do_define_as_constant): Likewise.
1200         * symtab.h (Symbol::is_predefined): New function.
1201         (Symbol::init_base_output_data): Add is_predefined parameter.
1202         (Symbol::init_base_output_segment): Likewise.
1203         (Symbol::init_base_constant): Likewise.
1204         (Symbol::is_predefined_): New data member.
1205         (Sized_symbol::init_output_data): Add is_predefined parameter.
1206         (Sized_symbol::init_output_segment): Likewise.
1207         (Sized_symbol::init_constant): Likewise.
1208         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1209
1210 2011-06-07  Cary Coutant  <ccoutant@google.com>
1211
1212         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1213         instead of emit_copy_reloc.
1214         (Copy_relocs::emit_copy_reloc): Refactor.
1215         (Copy_relocs::make_copy_reloc): New function.
1216         (Copy_relocs::add_copy_reloc): Remove.
1217         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1218         section.
1219         (Copy_relocs::make_copy_reloc): New function.
1220         (Copy_relocs::add_copy_reloc): Remove.
1221         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1222         unchanged input files.
1223         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1224         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1225         Reserve BSS space for COPY relocations.
1226         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1227         (Output_section_incremental_inputs::write_info_blocks): Record
1228         whether a symbol is copied from a shared object.
1229         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1230         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1231         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1232         (Incremental_input_entry_reader::get_output_symbol_index): Add
1233         is_copy parameter.
1234         (Incremental_binary::emit_copy_relocs): New function.
1235         (Incremental_binary::do_emit_copy_relocs): New function.
1236         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1237         new data member.
1238         (Sized_incremental_binary::add_copy_reloc): New function.
1239         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1240         (Sized_incremental_binary::Copy_reloc): New struct.
1241         (Sized_incremental_binary::Copy_relocs): New typedef.
1242         (Sized_incremental_binary::copy_relocs_): New data member.
1243         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1244         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1245         * target.h (Sized_target::emit_copy_reloc): New function.
1246         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1247
1248 2011-06-02  Cary Coutant  <ccoutant@google.com>
1249
1250         PR gold/12163
1251         * gold/archive.cc (Archive::Archive): Initialize new data member.
1252         (Archive::include_all_members): Return if archive has already been
1253         included.
1254         * gold/archive.h (Archive::include_all_members_): New data member.
1255
1256 2011-06-02  Nick Clifton  <nickc@redhat.com>
1257
1258         * dynobj.h: Fix spelling mistake in comment.
1259         * output.cc: Likewise.
1260
1261 2011-05-31  Doug Kwan  <dougkwan@google.com>
1262             Asier Llano
1263
1264         PR gold/12826
1265         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1266         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1267         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1268         redundant arm_exidx_test.so.
1269         * testsuite/Makefile.in: Regenerate.
1270         (check_SCRIPTS): Add pr12826.sh
1271         (check_DATA): Add pr12826.stdout
1272         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1273         * testsuite/pr12826.sh: New file.
1274         * testsuite/pr12826_1.s: Ditto.
1275         * testsuite/pr12826_1.s: Ditto.
1276
1277 2011-05-30  Ian Lance Taylor  <iant@google.com>
1278
1279         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1280         sections.
1281
1282 2011-05-29  Ian Lance Taylor  <iant@google.com>
1283
1284         PR gold/12804
1285         * testsuite/Makefile.am: Use different file name for two_file_test
1286         temporary file for each incremental test.
1287         * testsuite/Makefile.in: Rebuild.
1288
1289 2011-05-29  Ian Lance Taylor  <iant@google.com>
1290
1291         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1292         binary input file is empty.
1293
1294 2011-05-27  Ian Lance Taylor  <iant@google.com>
1295
1296         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1297         (ver_test_9.so): Likewise.
1298         * testsuite/Makefile.in: Rebuild.
1299
1300 2011-05-26 Cary Coutant  <ccoutant@google.com>
1301
1302         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1303         * incremental.cc (Incremental_inputs::report_input_section): Fix
1304         comment, indentation.
1305         (Incremental_inputs::report_comdat_group): New function.
1306         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1307         of data for incremental input file entry.
1308         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1309         group count, COMDAT group signatures.
1310         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1311         an unchanged input file.
1312         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1313         Initialize new data member.
1314         (Incremental_object_entry::add_comdat_group): New function.
1315         (Incremental_object_entry::get_comdat_group_count): New function.
1316         (Incremental_object_entry::get_comdat_signature_key): New function.
1317         (Incremental_object_entry::groups_): New data member.
1318         (Incremental_inputs::report_comdat_group): New function.
1319         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1320         data for incremental input file entry.
1321         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1322         (Incremental_input_entry_reader::get_input_section): Adjust size of
1323         data for incremental input file entry.
1324         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1325         (Incremental_input_entry_reader::get_comdat_group_signature): New
1326         function.
1327         * object.cc (Sized_relobj::include_section_group): Report kept
1328         COMDAT groups for incremental links.
1329
1330 2011-05-24  David Meyer  <pdox@google.com>
1331
1332         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1333         with name parameter.  Add found_name parameter.
1334         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1335         * dirsearch.h (class Dirsearch): Update declaration.
1336
1337 2011-05-24  Ian Lance Taylor  <iant@google.com>
1338
1339         * archive.cc (Library_base::should_include_member): Pull in object
1340         from archive if it defines the entry symbol.
1341         * parameters.cc (Parameters::entry): New function.
1342         * parameters.h (class Parameters): Declare entry.
1343         * output.h (class Output_file_header): Remove entry_ field.
1344         * output.cc (Output_file_header::Output_file_header): Remove entry
1345         parameter.  Change all callers.
1346         (Output_file_header::entry): Use parameters->entry.
1347         * gold.cc (queue_middle_tasks): Likewise.
1348         * plugin.cc (Plugin_hook::run): Likewise.
1349
1350 2011-05-24 Cary Coutant  <ccoutant@google.com>
1351
1352         * gold.cc (queue_initial_tasks): Pass incremental base filename
1353         to Output_file::open_base_file; don't print error message.
1354         * incremental-dump.cc (main): Adjust call to
1355         Output_file::open_for_modification.
1356         * incremental-dump.cc (main): Likewise.
1357         * incremental.cc (Incremental_inputs::report_command_line):
1358         Ignore --incremental-base option when comparing command lines.
1359         Ignore parameter when given as separate argument.
1360         * options.h (class General_options): Add --incremental-base.
1361         * output.cc (Output_file::Output_file):
1362         (Output_file::open_base_file): Add base_name and writable parameters;
1363         read base file into new file; print error message here.
1364         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1365         callers.
1366         * output.h (Output_file::open_for_modification): Rename to...
1367         (Output_file::open_base_file): ...this; add base_name and
1368         writable parameters; adjust all callers.
1369         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1370         callers.
1371         * testsuite/Makefile.am (incremental_test_4): Test
1372         --incremental-base.
1373         * testsuite/Makefile.in: Regenerate.
1374
1375 2011-05-24 Cary Coutant  <ccoutant@google.com>
1376
1377         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1378         incremental_test_4.
1379         * testsuite/Makefile.in: Regenerate.
1380         * testsuite/two_file_test_1_v1.cc: New test source file.
1381         * testsuite/two_file_test_1b_v1.cc: New test source file.
1382         * testsuite/two_file_test_2_v1.cc: New test source file.
1383
1384 2011-05-24 Cary Coutant  <ccoutant@google.com>
1385
1386         * dynobj.h (Dynobj::do_dynobj): New function.
1387         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1388         flag and soname for shared objects.
1389         * incremental.cc (Incremental_inputs::report_object): Make
1390         either Incremental_object_entry or Incremental_dynobj_entry; add
1391         soname to string table.
1392         (Incremental_inputs::report_input_section): Add assertion.
1393         (Output_section_incremental_inputs::set_final_data_size): Adjust
1394         type of input file entry for shared libraries; adjust size of
1395         shared library info entry.
1396         (Output_section_incremental_inputs::write_input_files): Write
1397         as_needed flag for shared libraries.
1398         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1399         of input file entry for shared libraries; write soname.
1400         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1401         soname from incremental info.
1402         * incremental.h (enum Incremental_input_flags): Add
1403         INCREMENTAL_INPUT_AS_NEEDED.
1404         (Incremental_input_entry::Incremental_input_entry): Initialize new
1405         data member.
1406         (Incremental_input_entry::set_as_needed): New function.
1407         (Incremental_input_entry::as_needed): New function.
1408         (Incremental_input_entry::do_dynobj_entry): New function.
1409         (Incremental_input_entry::as_needed_): New data member.
1410         (Incremental_object_entry::Incremental_object_entry): Don't check
1411         for shared library.
1412         (Incremental_object_entry::do_type): Likewise.
1413         (class Incremental_dynobj_entry): New class.
1414         (Incremental_input_entry_reader::as_needed): New function.
1415         (Incremental_input_entry_reader::get_soname): New function.
1416         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1417         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1418         size of shared library info entry.
1419         * layout.cc (Layout::finish_dynamic_section): Don't test for
1420         incremental link when adding DT_NEEDED entries.
1421         * object.h (Object::Object): Initialize new data member.
1422         (Object::dynobj): New function.
1423         (Object::set_as_needed): New function.
1424         (Object::as_needed): New function.
1425         (Object::do_dynobj): New function.
1426         (Object::as_needed_): New data member.
1427
1428 2011-05-24 Cary Coutant  <ccoutant@google.com>
1429
1430         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1431         info; adjust display of GOT entries.
1432         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1433         vector of input objects; remove file_status_.
1434         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1435         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1436         got_plt reader; call target hooks to reserve GOT entries.
1437         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1438         of input file info header and GOT info entry.
1439         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1440         relocation info.
1441         (Got_plt_view_info::got_descriptor): Remove.
1442         (Got_plt_view_info::sym_index): New data member.
1443         (Got_plt_view_info::input_index): New data member.
1444         (Local_got_offset_visitor::visit): Write input file index.
1445         (Global_got_offset_visitor::visit): Write 0 for input file index.
1446         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1447         with sym_index and input_index.
1448         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1449         incremental info GOT entry; replace got_descriptor with input_index.
1450         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1451         map from input file index to object.
1452         (Sized_relobj_incr::do_layout): Replace direct data member reference
1453         with accessor function.
1454         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1455         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1456         Adjust size of input file info header.
1457         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1458         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1459         (Incremental_input_entry_reader::get_input_section): Adjust size of
1460         input file info header.
1461         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1462         of incremental info GOT entry.
1463         (Incremental_got_plt_reader::get_got_desc): Remove.
1464         (Incremental_got_plt_reader::get_got_symndx): New function.
1465         (Incremental_got_plt_reader::get_got_input_index): New function.
1466         (Sized_incremental_binary::Sized_incremental_binary): Remove
1467         file_status_; add input_objects_.
1468         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1469         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1470         (Sized_incremental_binary::file_is_unchanged): Remove.
1471         (Sized_incremental_binary::set_input_object): New function.
1472         (Sized_incremental_binary::input_object): New function.
1473         (Sized_incremental_binary::file_status_): Remove.
1474         (Sized_incremental_binary::input_objects_): New data member.
1475         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1476         references.
1477         (Sized_relobj_incr::invalid_address): Move to base class.
1478         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1479         class.
1480         (Sized_relobj_incr::do_output_section_offset): Likewise.
1481         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1482         (Sized_relobj_incr::section_offsets_): Likewise.
1483         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1484         function.
1485         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1486         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1487         with accessor function.
1488         (Sized_relobj_file::do_layout): Likewise.
1489         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1490         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1491         (Sized_relobj_file::compute_final_local_value): Replace refs to
1492         section_offsets_ with accessor function.
1493         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1494         * object.h (Relobj::Relobj): Initialize new data members.
1495         (Relobj::add_dyn_reloc): New function.
1496         (Relobj::first_dyn_reloc): New function.
1497         (Relobj::dyn_reloc_count): New function.
1498         (Relobj::first_dyn_reloc_): New data member.
1499         (Relobj::dyn_reloc_count_): New data member.
1500         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1501         references.
1502         (Sized_relobj::Address): New typedef.
1503         (Sized_relobj::invalid_address): Move here from child class.
1504         (Sized_relobj::Sized_relobj): Initialize new data members.
1505         (Sized_relobj::sized_relobj): New function.
1506         (Sized_relobj::is_output_section_offset_invalid): Move here from
1507         child class.
1508         (Sized_relobj::get_output_section_offset): Likewise.
1509         (Sized_relobj::local_has_got_offset): Likewise.
1510         (Sized_relobj::local_got_offset): Likewise.
1511         (Sized_relobj::set_local_got_offset): Likewise.
1512         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1513         (Sized_relobj::clear_got_offsets): New function.
1514         (Sized_relobj::section_offsets): Move here from child class.
1515         (Sized_relobj::do_output_section_offset): Likewise.
1516         (Sized_relobj::do_set_section_offset): Likewise.
1517         (Sized_relobj::Local_got_offsets): Likewise.
1518         (Sized_relobj::local_got_offsets_): Likewise.
1519         (Sized_relobj::section_offsets_): Likewise.
1520         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1521         references.
1522         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1523         class.
1524         (Sized_relobj_file::sized_relobj): New function
1525         (Sized_relobj_file::local_has_got_offset): Move to base class.
1526         (Sized_relobj_file::local_got_offset): Likewise.
1527         (Sized_relobj_file::set_local_got_offset): Likewise.
1528         (Sized_relobj_file::get_output_section_offset): Likewise.
1529         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1530         (Sized_relobj_file::do_output_section_offset): Likewise.
1531         (Sized_relobj_file::do_set_section_offset): Likewise.
1532         (Sized_relobj_file::Local_got_offsets): Likewise.
1533         (Sized_relobj_file::local_got_offsets_): Likewise.
1534         (Sized_relobj_file::section_offsets_): Likewise.
1535         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1536         (all constructors).
1537         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1538         (Output_reloc::get_symbol_index): Likewise.
1539         (Output_reloc::local_section_offset): Likewise.
1540         (Output_reloc::get_address): Likewise.
1541         (Output_reloc::symbol_value): Likewise.
1542         (Output_data_got::reserve_slot): Move to class definition.
1543         (Output_data_got::reserve_local): New function.
1544         (Output_data_got::reserve_slot_for_global): Remove.
1545         (Output_data_got::reserve_global): New function.
1546         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1547         (all constructors, two instantiations).
1548         (Output_reloc::get_relobj): New function (two instantiations).
1549         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1550         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1551         (Output_data_reloc::add_global): Adjust type of relobj.
1552         (Output_data_reloc::add_global_relative): Likewise.
1553         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1554         (Output_data_reloc::add_local): Likewise.
1555         (Output_data_reloc::add_local_relative): Likewise.
1556         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1557         (Output_data_reloc::add_local_section): Likewise.
1558         (Output_data_reloc::add_output_section): Likewise.
1559         (Output_data_reloc::add_absolute): Likewise.
1560         (Output_data_reloc::add_target_specific): Likewise.
1561         (Output_data_got::reserve_slot): Move definition here.
1562         (Output_data_got::reserve_local): New function.
1563         (Output_data_got::reserve_global): New function.
1564         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1565         section_offsets_ with accessor function.
1566         (Sized_relobj_file::write_sections): Likewise.
1567         (Sized_relobj_file::do_relocate_sections): Likewise.
1568         * target.h (Sized_target::reserve_local_got_entry): New function.
1569         (Sized_target::reserve_global_got_entry): New function.
1570         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1571         (Target_x86_64::reserve_global_got_entry): New function.
1572         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1573
1574 2011-05-23 Cary Coutant  <ccoutant@google.com>
1575
1576         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1577         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1578         bit when checking got_type.
1579         * incremental.cc (Sized_incremental_binary::setup_readers):
1580         Store symbol table and string table locations; initialize bit vector
1581         of file status flags.
1582         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1583         unchanged files.
1584         (Sized_incremental_binary::do_process_got_plt): New function.
1585         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1586         (Output_section_incremental_inputs::set_final_data_size): Record
1587         file index for each input file.
1588         (Output_section_incremental_inputs::write_got_plt): Store file index
1589         instead of input entry offset for each GOT entry.
1590         * incremental.h
1591         (Incremental_input_entry::Incremental_input_entry): Initialize new
1592         data member.
1593         (Incremental_input_entry::set_offset): Store file index.
1594         (Incremental_input_entry::get_file_index): New function.
1595         (Incremental_input_entry::file_index_): New data member.
1596         (Incremental_binary::process_got_plt): New function.
1597         (Incremental_binary::do_process_got_plt): New function.
1598         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1599         data members.
1600         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1601         (Sized_incremental_binary::set_file_is_unchanged): New function.
1602         (Sized_incremental_binary::file_is_unchanged): New function.
1603         (Sized_incremental_binary::do_process_got_plt): New function.
1604         (Sized_incremental_binary::file_status_): New data member.
1605         (Sized_incremental_binary::main_symtab_loc_): New data member.
1606         (Sized_incremental_binary::main_strtab_loc_): New data member.
1607         * output.cc (Output_data_got::Got_entry::write): Add case
1608         RESERVED_CODE.
1609         (Output_data_got::add_global): Call add_got_entry.
1610         (Output_data_got::add_global_plt): Likewise.
1611         (Output_data_got::add_global_with_rel): Likewise.
1612         (Output_data_got::add_global_with_rela): Likewise.
1613         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1614         (Output_data_got::add_global_pair_with_rela): Likewise.
1615         (Output_data_got::add_local): Call add_got_entry.
1616         (Output_data_got::add_local_plt): Likewise.
1617         (Output_data_got::add_local_with_rel): Likewise.
1618         (Output_data_got::add_local_with_rela): Likewise.
1619         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1620         (Output_data_got::add_local_pair_with_rela): Likewise.
1621         (Output_data_got::reserve_slot): New function.
1622         (Output_data_got::reserve_slot_for_global): New function.
1623         (Output_data_got::add_got_entry): New function.
1624         (Output_data_got::add_got_entry_pair): New function.
1625         (Output_section::add_output_section_data): Edit FIXME.
1626         * output.h
1627         (Output_section_data_build::Output_section_data_build): New
1628         constructor with size parameter.
1629         (Output_data_space::Output_data_space): Likewise.
1630         (Output_data_got::Output_data_got): Initialize new data member; new
1631         constructor with size parameter.
1632         (Output_data_got::add_constant): Call add_got_entry.
1633         (Output_data_got::reserve_slot): New function.
1634         (Output_data_got::reserve_slot_for_global): New function.
1635         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1636         (Output_data_got::add_got_entry): New function.
1637         (Output_data_got::add_got_entry_pair): New function.
1638         (Output_data_got::free_list_): New data member.
1639         * target.h (Sized_target::init_got_plt_for_update): New function.
1640         (Sized_target::register_global_plt_entry): New function.
1641         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1642         Initialize new data member; call init; add constructor with PLT count.
1643         (Output_data_plt_x86_64::init): New function.
1644         (Output_data_plt_x86_64::add_relocation): New function.
1645         (Output_data_plt_x86_64::reserve_slot): New function.
1646         (Output_data_plt_x86_64::free_list_): New data member.
1647         (Target_x86_64::init_got_plt_for_update): New function.
1648         (Target_x86_64::register_global_plt_entry): New function.
1649         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1650         incremental updates.
1651         (Output_data_plt_x86_64::add_relocation): New function.
1652         * testsuite/object_unittest.cc (Object_test): Set default options.
1653
1654 2011-05-16  Ian Lance Taylor  <iant@google.com>
1655
1656         * options.h (class General_options): Make -i a synonym for -r.
1657
1658 2011-05-16  Ian Lance Taylor  <iant@google.com>
1659
1660         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1661
1662 2011-05-10 Cary Coutant  <ccoutant@google.com>
1663
1664         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1665         strip_all (-s).
1666
1667 2011-05-06  Ian Lance Taylor  <iant@google.com>
1668
1669         * layout.cc (Layout::layout): If the output section flags change,
1670         update the ordering.
1671
1672 2011-04-25 Cary Coutant  <ccoutant@google.com>
1673
1674         * incremental-dump.cc (dump_incremental_inputs): Print local
1675         symbol info for each input file.
1676         * incremental.cc
1677         (Output_section_incremental_inputs::set_final_data_size): Add local
1678         symbol info to input file entries in incremental info.
1679         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1680         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1681         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1682         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1683         implementation.
1684         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1685         (Sized_incr_relobj::do_relocate): Write the local symbols.
1686         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1687         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1688         Adjust size of input file header.
1689         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1690         (Incremental_inputs_reader::get_local_symbol_count): New function.
1691         (Incremental_inputs_reader::get_input_section): Adjust size of input
1692         file header.
1693         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1694         (Sized_incr_relobj::This): New typedef.
1695         (Sized_incr_relobj::sym_size): New const data member.
1696         (Sized_incr_relobj::Local_symbol): New struct.
1697         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1698         (Sized_incr_relobj::do_local_symbol_offset): New function.
1699         (Sized_incr_relobj::local_symbol_count_): New data member.
1700         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1701         (Sized_incr_relobj::local_symbol_index_): New data member.
1702         (Sized_incr_relobj::local_symbol_offset_): New data member.
1703         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1704         (Sized_incr_relobj::local_symbols_): New data member.
1705         * object.h (Relobj::output_local_symbol_count): New function.
1706         (Relobj::local_symbol_offset): New function.
1707         (Relobj::do_output_local_symbol_count): New function.
1708         (Relobj::do_local_symbol_offset): New function.
1709         (Sized_relobj::do_output_local_symbol_count): New function.
1710         (Sized_relobj::do_local_symbol_offset): New function.
1711
1712 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1713
1714         * descriptors.cc (set_close_on_exec): New function.
1715         (Descriptors::open): Use set_close_on_exec.
1716         * output.cc (S_ISLNK): Define if not defined.
1717
1718 2011-04-22 Cary Coutant  <ccoutant@google.com>
1719
1720         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1721         global symbol map.
1722         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1723         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1724         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1725         relocations.
1726         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1727         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1728         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1729         * incremental.h
1730         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1731         function.
1732         (Incremental_binary::apply_incremental_relocs): New function.
1733         (Incremental_binary::do_apply_incremental_relocs): New function.
1734         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1735         data member.
1736         (Sized_incremental_binary::add_global_symbol): New function.
1737         (Sized_incremental_binary::global_symbol): New function.
1738         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1739         (Sized_incremental_binary::symbol_map_): New data member.
1740         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1741         * target.h (Sized_target::apply_relocation): New function.
1742         * target-reloc.h (apply_relocation): New function.
1743         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1744
1745 2011-04-22  Doug Kwan  <dougkwan@google.com>
1746
1747         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1748         flag of a SHT_ARM_EXIDX section.
1749         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1750         * testsuite/Makefile.in: Regenerate.
1751         * testsuite/arm_exidx_test.s: New file.
1752         * testsuite/arm_exidx_test.sh: Same.
1753
1754 2011-04-20 Cary Coutant  <ccoutant@google.com>
1755
1756         PR gold/12689
1757         * archive.h (Incremental_archive_entry::Archive_member):
1758         Initialize arg_serial_ (second constructor).
1759
1760 2011-04-17  Ian Lance Taylor  <iant@google.com>
1761
1762         * object.cc (Relocate_info::location): Simplify location string.
1763         * errors.cc (Errors::error_at_location): Don't print program
1764         name.
1765         (Errors::warning_at_location): Likewise.
1766         (Errors::undefined_symbol): Likewise.
1767         * testsuite/debug_msg.sh: Update accordingly.
1768
1769 2011-04-14 Cary Coutant  <ccoutant@google.com>
1770
1771         * gold/layout.cc (Layout::symtab_section_offset): New function.
1772         * gold/layout.h (Layout::symtab_section_offset): New function.
1773         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1774
1775 2011-04-12  Ian Lance Taylor  <iant@google.com>
1776
1777         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1778         with MREMAP_MAYMOVE.
1779         * output.h (class Output_file): Add map_is_allocated_ field.
1780         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1781         not available, provide stubs.  If mremap is not available, #define
1782         it to gold_mremap.
1783         (MREMAP_MAYMOVE): Define if not defined.
1784         (Output_file::Output_file): Initialize map_is_allocated_.
1785         (Output_file::resize): Check map_is_allocated_.
1786         (Output_file::map_anonymous): If mmap fails, use malloc.
1787         (Output_file::unmap): Don't do anything for an anonymous map.
1788         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1789         is not available, provide stubs.
1790         (File_read::View::~View): Use free rather than delete[].
1791         (File_read::make_view): Use malloc rather than new[].  If mmap
1792         fails, use malloc.
1793         (File_read::find_or_make_view): Use malloc rather than new[].
1794         * gold.h: Remove HAVE_REMAP code.
1795         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1796         exists.  Rename mremap to gold_mremap.  If mmap is not available
1797         don't do anything.
1798         * configure, config.in: Rebuild.
1799
1800 2011-04-11  Ian Lance Taylor  <iant@google.com>
1801
1802         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1803         initialize local variable v.
1804
1805 2011-04-11  Cary Coutant  <ccoutant@google.com>
1806
1807         * archive.cc (Archive::include_member): Adjust call to
1808         report_object.
1809         (Add_archive_symbols::run): Track argument serial numbers.
1810         (Lib_group::include_member): Likewise.
1811         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1812         * archive.h (Incremental_archive_entry::Archive_member):
1813         Initialize arg_serial_.
1814         (Archive_member::arg_serial_): New data member.
1815         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1816         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1817         incremental link.
1818         (Sized_dynobj::do_for_all_local_got_entries): New function.
1819         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1820         function.
1821         * fileread.cc (get_mtime): New function.
1822         * fileread.h (get_mtime): New function.
1823         * gold.cc (queue_initial_tasks): Check for incremental update.
1824         (process_incremental_input): New function.
1825         (queue_middle_tasks): Don't force valid target for incremental
1826         update.
1827         * incremental-dump.cc (find_input_containing_global): Adjust
1828         size of symbol info entry.
1829         (dump_incremental_inputs): Dump argument serial number and
1830         in_system_directory flag; bias shndx by 1; print symbol names
1831         when dumping per-file symbol lists; use new symbol info readers.
1832         * incremental.cc
1833         (Output_section_incremental_inputs:update_data_size): New function.
1834         (Sized_incremental_binary::setup_readers): Setup input readers
1835         for each input file; build maps for files added from libraries
1836         and scripts.
1837         (Sized_incremental_binary::check_input_args): New function.
1838         (Sized_incremental_binary::do_check_inputs): Build map of argument
1839         serial numbers to input arguments.
1840         (Sized_incremental_binary::do_file_has_changed): Rename
1841         do_file_is_unchanged to this; compare file modification times.
1842         (Sized_incremental_binary::do_init_layout): New function.
1843         (Sized_incremental_binary::do_reserve_layout): New function.
1844         (Sized_incremental_binary::do_get_input_reader): Remove.
1845         (Sized_incremental_binary::get_symtab_view): New function.
1846         (Incremental_checker::can_incrementally_link_output_file): Remove.
1847         (Incremental_inputs::report_command_line): Exclude --debug options.
1848         (Incremental_inputs::report_archive_begin): Add parameter; track
1849         argument serial numbers; don't put input file entry for archive
1850         before archive members.
1851         (Incremental_inputs::report_archive_end): Put input file entry
1852         for archive after archive members.
1853         (Incremental_inputs::report_object): Add parameter; track argument
1854         serial numbers and in_system_directory flag.
1855         (Incremental_inputs::report_script): Add parameter; track argument
1856         serial numbers.
1857         (Output_section_incremental_inputs::set_final_data_size): Adjust
1858         size of symbol info entry; check for forwarding symbols.
1859         (Output_section_incremental_inputs::write_input_files): Write
1860         in_system_directory flag and argument serial number.
1861         (Output_section_incremental_inputs::write_info_blocks): Map section
1862         indices between incremental info and original input file; store
1863         input section index for each symbol.
1864         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1865         change operator() to visit().
1866         (class Global_got_offset_visitor): Likewise.
1867         (class Global_symbol_visitor_got_plt):
1868         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1869         classes.
1870         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1871         (Sized_incr_relobj::do_read_symbols): New function.
1872         (Sized_incr_relobj::do_layout): New function.
1873         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1874         (Sized_incr_relobj::do_add_symbols): New function.
1875         (Sized_incr_relobj::do_should_include_member): New function.
1876         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1877         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1878         (Sized_incr_relobj::do_section_size): New function.
1879         (Sized_incr_relobj::do_section_name): New function.
1880         (Sized_incr_relobj::do_section_contents): New function.
1881         (Sized_incr_relobj::do_section_flags): New function.
1882         (Sized_incr_relobj::do_section_entsize): New function.
1883         (Sized_incr_relobj::do_section_address): New function.
1884         (Sized_incr_relobj::do_section_type): New function.
1885         (Sized_incr_relobj::do_section_link): New function.
1886         (Sized_incr_relobj::do_section_info): New function.
1887         (Sized_incr_relobj::do_section_addralign): New function.
1888         (Sized_incr_relobj::do_initialize_xindex): New function.
1889         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1890         (Sized_incr_relobj::do_read_relocs): New function.
1891         (Sized_incr_relobj::do_gc_process_relocs): New function.
1892         (Sized_incr_relobj::do_scan_relocs): New function.
1893         (Sized_incr_relobj::do_count_local_symbols): New function.
1894         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1895         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1896         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1897         (Sized_incr_relobj::do_relocate): New function.
1898         (Sized_incr_relobj::do_set_section_offset): New function.
1899         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1900         (Sized_incr_dynobj::do_read_symbols): New function.
1901         (Sized_incr_dynobj::do_layout): New function.
1902         (Sized_incr_dynobj::do_add_symbols): New function.
1903         (Sized_incr_dynobj::do_should_include_member): New function.
1904         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1905         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1906         (Sized_incr_dynobj::do_section_size): New function.
1907         (Sized_incr_dynobj::do_section_name): New function.
1908         (Sized_incr_dynobj::do_section_contents): New function.
1909         (Sized_incr_dynobj::do_section_flags): New function.
1910         (Sized_incr_dynobj::do_section_entsize): New function.
1911         (Sized_incr_dynobj::do_section_address): New function.
1912         (Sized_incr_dynobj::do_section_type): New function.
1913         (Sized_incr_dynobj::do_section_link): New function.
1914         (Sized_incr_dynobj::do_section_info): New function.
1915         (Sized_incr_dynobj::do_section_addralign): New function.
1916         (Sized_incr_dynobj::do_initialize_xindex): New function.
1917         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1918         (make_sized_incremental_object): New function.
1919         (Incremental_library::copy_unused_symbols): New function.
1920         (Incremental_library::do_for_all_unused_symbols): New function.
1921         * incremental.h (enum Incremental_input_flags): New type.
1922         (class Incremental_checker): Remove.
1923         (Incremental_input_entry::Incremental_input_entry): Add argument
1924         serial number.
1925         (Incremental_input_entry::arg_serial): New function.
1926         (Incremental_input_entry::set_is_in_system_directory): New function.
1927         (Incremental_input_entry::is_in_system_directory): New function.
1928         (Incremental_input_entry::arg_serial_): New data member.
1929         (Incremental_input_entry::is_in_system_directory_): New data member.
1930         (class Script_info): Move here from script.h.
1931         (Script_info::Script_info): Add filename parameter.
1932         (Script_info::filename): New function.
1933         (Script_info::filename_): New data member.
1934         (Incremental_script_entry::Incremental_script_entry): Add argument
1935         serial number.
1936         (Incremental_object_entry::Incremental_object_entry): Likewise.
1937         (Incremental_object_entry::add_input_section): Build list of input
1938         sections with map to original shndx.
1939         (Incremental_object_entry::get_input_section_index): New function.
1940         (Incremental_object_entry::shndx_): New data member.
1941         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1942         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1943         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1944         serial number.
1945         (Incremental_inputs::report_archive_begin): Likewise.
1946         (Incremental_inputs::report_object): Likewise.
1947         (Incremental_inputs::report_script): Likewise.
1948         (class Incremental_global_symbol_reader): New class.
1949         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1950         and store flags and input file type.
1951         (Incremental_input_entry_reader::arg_serial): New function.
1952         (Incremental_input_entry_reader::type): Extract type from flags.
1953         (Incremental_input_entry_reader::is_in_system_directory): New function.
1954         (Incremental_input_entry_reader::get_input_section_count): Call
1955         accessor function for type.
1956         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1957         function for type; adjust size of global symbol entry.
1958         (Incremental_input_entry_reader::get_global_symbol_count): Call
1959         accessor function for type.
1960         (Incremental_input_entry_reader::get_object_count): Likewise.
1961         (Incremental_input_entry_reader::get_object_offset): Likewise.
1962         (Incremental_input_entry_reader::get_member_count): Likewise.
1963         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1964         (Incremental_input_entry_reader::get_member_offset): Likewise.
1965         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1966         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1967         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1968         (Incremental_input_entry_reader::get_global_symbol_reader): New
1969         function.
1970         (Incremental_input_entry_reader::get_output_symbol_index): New
1971         function.
1972         (Incremental_input_entry_reader::type_): Remove.
1973         (Incremental_input_entry_reader::flags_): New data member.
1974         (Incremental_inputs_reader::input_file_offset): New function.
1975         (Incremental_inputs_reader::input_file_index): New function.
1976         (Incremental_inputs_reader::input_file): Call input_file_offset.
1977         (Incremental_inputs_reader::input_file_at_offset): New function.
1978         (Incremental_relocs_reader::get_r_type): Reformat.
1979         (Incremental_relocs_reader::get_r_shndx): Reformat.
1980         (Incremental_relocs_reader::get_r_offset): Reformat.
1981         (Incremental_relocs_reader::data): New function.
1982         (Incremental_binary::Incremental_binary): Initialize new data members.
1983         (Incremental_binary::check_inputs): Add cmdline parameter.
1984         (Incremental_binary::file_is_unchanged): Remove.
1985         (Input_reader::arg_serial): New function.
1986         (Input_reader::get_unused_symbol_count): New function.
1987         (Input_reader::get_unused_symbol): New function.
1988         (Input_reader::do_arg_serial): New function.
1989         (Input_reader::do_get_unused_symbol_count): New function.
1990         (Input_reader::do_get_unused_symbol): New function.
1991         (Incremental_binary::input_file_count): New function.
1992         (Incremental_binary::get_input_reader): Change signature to use
1993         index instead of filename.
1994         (Incremental_binary::file_has_changed): New function.
1995         (Incremental_binary::get_input_argument): New function.
1996         (Incremental_binary::get_library): New function.
1997         (Incremental_binary::get_script_info): New function.
1998         (Incremental_binary::init_layout): New function.
1999         (Incremental_binary::reserve_layout): New function.
2000         (Incremental_binary::output_file): New function.
2001         (Incremental_binary::do_check_inputs): New function.
2002         (Incremental_binary::do_file_is_unchanged): Remove.
2003         (Incremental_binary::do_file_has_changed): New function.
2004         (Incremental_binary::do_init_layout): New function.
2005         (Incremental_binary::do_reserve_layout): New function.
2006         (Incremental_binary::do_input_file_count): New function.
2007         (Incremental_binary::do_get_input_reader): Change signature.
2008         (Incremental_binary::input_args_map_): New data member.
2009         (Incremental_binary::library_map_): New data member.
2010         (Incremental_binary::script_map_): New data member.
2011         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2012         new data members.
2013         (Sized_incremental_binary::output_section): New function.
2014         (Sized_incremental_binary::inputs_reader): Add const.
2015         (Sized_incremental_binary::symtab_reader): Add const.
2016         (Sized_incremental_binary::relocs_reader): Add const.
2017         (Sized_incremental_binary::got_plt_reader): Add const.
2018         (Sized_incremental_binary::get_symtab_view): New function.
2019         (Sized_incremental_binary::Inputs_reader): New typedef.
2020         (Sized_incremental_binary::Input_entry_reader): New typedef.
2021         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2022         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2023         (Sized_incremental_binary::do_file_has_changed): New function.
2024         (Sized_incremental_binary::do_init_layout): New function.
2025         (Sized_incremental_binary::do_reserve_layout): New function.
2026         (Sized_input_reader::Inputs_reader): Remove.
2027         (Sized_input_reader::Input_entry_reader): Remove.
2028         (Sized_input_reader::do_arg_serial): New function.
2029         (Sized_input_reader::do_get_unused_symbol_count): New function.
2030         (Sized_input_reader::do_get_unused_symbol): New function.
2031         (Sized_incremental_binary::do_input_file_count): New function.
2032         (Sized_incremental_binary::do_get_input_reader): Change signature;
2033         use index instead of filename.
2034         (Sized_incremental_binary::section_map_): New data member.
2035         (Sized_incremental_binary::input_entry_readers_): New data member.
2036         (class Sized_incr_relobj): New class.
2037         (class Sized_incr_dynobj): New class.
2038         (make_sized_incremental_object): New function.
2039         (class Incremental_library): New class.
2040         * layout.cc (Free_list::num_lists): New static data member.
2041         (Free_list::num_nodes): New static data member.
2042         (Free_list::num_removes): New static data member.
2043         (Free_list::num_remove_visits): New static data member.
2044         (Free_list::num_allocates): New static data member.
2045         (Free_list::num_allocate_visits): New static data member.
2046         (Free_list::init): New function.
2047         (Free_list::remove): New function.
2048         (Free_list::allocate): New function.
2049         (Free_list::dump): New function.
2050         (Free_list::print_stats): New function.
2051         (Layout_task_runner::run): Resize output file for incremental updates.
2052         (Layout::Layout): Initialize new data members.
2053         (Layout::set_incremental_base): New function.
2054         (Layout::init_fixed_output_section): New function.
2055         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2056         incremental updates.
2057         (Layout::create_gold_note): Do not create gold note section for
2058         incremental updates.
2059         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2060         for incremental updates.
2061         (Layout::set_section_offsets): For incremental updates, allocate space
2062         from free list.
2063         (Layout::create_symtab_sections): Layout with offsets relative to
2064         start of section; for incremental updates, allocate space from free
2065         list.
2066         (Layout::create_shdrs): For incremental updates, allocate space from
2067         free list.
2068         (Layout::finish_dynamic_section): For incremental updates, do not
2069         check --as-needed (fixed in subsequent patch).
2070         * layout.h (class Free_list): New class.
2071         (Layout::set_incremental_base): New function.
2072         (Layout::incremental_base): New function.
2073         (Layout::init_fixed_output_section): New function.
2074         (Layout::allocate): New function.
2075         (Layout::incremental_base_): New data member.
2076         (Layout::free_list_): New data member.
2077         * main.cc (main): Print Free_list statistics.
2078         * object.cc (Relobj::finalize_incremental_relocs): Add
2079         clear_counts parameter; clear counts only when clear_counts is set.
2080         (Sized_relobj::Sized_relobj): Initialize new base class.
2081         (Sized_relobj::do_layout): Don't report special sections.
2082         (Sized_relobj::do_for_all_local_got_entries): New function.
2083         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2084         symtab_off to all symbol table offsets.
2085         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2086         * object.h (class Got_offset_list): Move to top of file.
2087         (Object::Object): Allow case where input_file == NULL.
2088         (Object::~Object): Likewise.
2089         (Object::input_file): Assert that input_file != NULL.
2090         (Object::lock): Allow case where input_file == NULL.
2091         (Object::unlock): Likewise.
2092         (Object::is_locked): Likewise.
2093         (Object::token): Likewise.
2094         (Object::release): Likewise.
2095         (Object::is_incremental): New function.
2096         (Object::get_mtime): New function.
2097         (Object::for_all_local_got_entries): New function.
2098         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2099         (Object::set_is_in_system_directory): New function.
2100         (Object::is_in_system_directory): New function.
2101         (Object::do_is_incremental): New function.
2102         (Object::do_get_mtime): New function.
2103         (Object::do_for_all_local_got_entries): New function.
2104         (Object::is_in_system_directory_): New data member.
2105         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2106         (class Sized_relobj_base): New class.
2107         (class Sized_relobj): Derive from Sized_relobj_base.
2108         (class Sized_relobj::Symbols): Redeclare from base class.
2109         (class Sized_relobj::local_got_offset_list): Remove.
2110         (class Sized_relobj::Output_sections): Redeclare from base class.
2111         (class Sized_relobj::do_for_all_local_got_entries): New function.
2112         (class Sized_relobj::write_local_symbols): Add offset parameter.
2113         (class Sized_relobj::local_symbol_offset_): Update comment.
2114         (class Sized_relobj::local_dynsym_offset_): Update comment.
2115         * options.cc (Input_arguments::add_file): Remove const.
2116         * options.h (Input_file_argument::Input_file_argument):
2117         Initialize arg_serial_ (all constructors).
2118         (Input_file_argument::set_arg_serial): New function.
2119         (Input_file_argument::arg_serial): New function.
2120         (Input_file_argument::arg_serial_): New data member.
2121         (Input_arguments::Input_arguments): Initialize file_count_.
2122         (Input_arguments::add_file): Remove const.
2123         (Input_arguments::number_of_input_files): New function.
2124         (Input_arguments::file_count_): New data member.
2125         (Command_line::number_of_input_files): Call
2126         Input_arguments::number_of_input_files.
2127         * output.cc (Output_segment_headers::Output_segment_headers):
2128         Set current size.
2129         (Output_section::Input_section::current_data_size): New function.
2130         (Output_section::Output_section): Initialize new data members.
2131         (Output_section::add_input_section): Don't do merge sections for
2132         an incremental link; allocate space from free list for an
2133         incremental update.
2134         (Output_section::add_output_section_data): Allocate space from
2135         free list for an incremental update.
2136         (Output_section::update_data_size): New function.
2137         (Output_section::set_fixed_layout): New function.
2138         (Output_section::reserve): New function.
2139         (Output_segment::set_section_addresses): Remove const.
2140         (Output_segment::set_section_list_addresses): Remove const; allocate
2141         space from free list for an incremental update.
2142         (Output_segment::set_offset): Adjust size of RELRO segment for an
2143         incremental update.
2144         * output.h (Output_data::current_data_size): Move here from
2145         child classes.
2146         (Output_data::pre_finalize_data_size): New function.
2147         (Output_data::update_data_size): New function.
2148         (Output_section_headers::update_data_size): new function.
2149         (Output_section_data_build::current_data_size): Move to Output_data.
2150         (Output_data_strtab::update_data_size): New function.
2151         (Output_section::current_data_size): Move to Output_data.
2152         (Output_section::set_fixed_layout): New function.
2153         (Output_section::has_fixed_layout): New function.
2154         (Output_section::reserve): New function.
2155         (Output_section::update_data_size): New function.
2156         (Output_section::has_fixed_layout_): New data member.
2157         (Output_section::free_list_): New data member.
2158         (Output_segment::set_section_addresses): Remove const.
2159         (Output_segment::set_section_list_addresses): Remove const.
2160         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2161         New function.
2162         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2163         New function.
2164         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2165         parameter when calling Add_symbols constructor; store argument
2166         serial number for members of a lib group.
2167         (Add_symbols::locks): Allow case where token == NULL.
2168         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2169         (Read_member::~Read_member): New function.
2170         (Read_member::is_runnable): New function.
2171         (Read_member::locks): New function.
2172         (Read_member::run): New function.
2173         (Check_script::~Check_script): New function.
2174         (Check_script::is_runnable): New function.
2175         (Check_script::locks): New function.
2176         (Check_script::run): New function.
2177         (Check_library::~Check_library): New function.
2178         (Check_library::is_runnable): New function.
2179         (Check_library::locks): New function.
2180         (Check_library::run): New function.
2181         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2182         (Add_symbols::library_): New data member.
2183         (class Read_member): New class.
2184         (class Check_script): New class.
2185         (class Check_library): New class.
2186         * reloc.cc (Read_relocs::is_runnable): Allow case where
2187         token == NULL.
2188         (Read_relocs::locks): Likewise.
2189         (Scan_relocs::locks): Likewise.
2190         (Relocate_task::locks): Likewise.
2191         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2192         to clear counters.
2193         (Sized_relobj::incremental_relocs_scan): Fix comment.
2194         (Sized_relobj::do_relocate): Pass output file offset to
2195         write_local_symbols.
2196         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2197         from class declaration.
2198         * script.cc (read_input_script): Allocate Script_info; pass
2199         argument serial number to report_script.
2200         * script.h (class Script_info): Move to incremental.h.
2201         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2202         * symtab.h (Symbol_table::add_from_incrobj): New function.
2203         (Symbol_table::set_file_offset): New function.
2204
2205 2011-04-05  Cary Coutant  <ccoutant@google.com>
2206
2207         * incremental-dump.cc (dump_incremental_inputs): Change signature
2208         to take a Sized_incremental_binary; change caller.  Use readers
2209         in Sized_incremental_binary.
2210         * incremental.cc
2211         (Sized_incremental_binary::find_incremental_inputs_sections):
2212         Rename do_find_incremental_inputs_sections to this.
2213         (Sized_incremental_binary::setup_readers): New function.
2214         (Sized_incremental_binary::do_check_inputs): Check
2215         has_incremental_info_ flag; move setup code to setup_readers;
2216         use input readers.
2217         (Sized_incremental_binary::do_file_is_unchanged): New function.
2218         (Sized_incremental_binary::do_get_input_reader): New function.
2219         * incremental.h (class Incremental_binary): Move to end of file.
2220         (Incremental_binary::file_is_unchanged): New function.
2221         (Incremental_binary::do_file_is_unchanged): New function.
2222         (Incremental_binary::Input_reader): New class.
2223         (Incremental_binary::get_input_reader): New function.
2224         (class Sized_incremental_binary): Move to end of file.
2225         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2226         input section reader classes.
2227         (Sized_incremental_binary::has_incremental_info): New function.
2228         (Sized_incremental_binary::inputs_reader): New function.
2229         (Sized_incremental_binary::symtab_reader): New function.
2230         (Sized_incremental_binary::relocs_reader): New function.
2231         (Sized_incremental_binary::got_plt_reader): New function.
2232         (Sized_incremental_binary::do_file_is_unchanged): New function.
2233         (Sized_incremental_binary::Sized_input_reader): New class.
2234         (Sized_incremental_binary::get_input_reader): New function.
2235         (Sized_incremental_binary::find_incremental_inputs_sections):
2236         Rename do_find_incremental_inputs_sections to this.
2237         (Sized_incremental_binary::setup_readers): New function.
2238         (Sized_incremental_binary::has_incremental_info_): New data member.
2239         (Sized_incremental_binary::inputs_reader_): New data member.
2240         (Sized_incremental_binary::symtab_reader_): New data member.
2241         (Sized_incremental_binary::relocs_reader_): New data member.
2242         (Sized_incremental_binary::got_plt_reader_): New data member.
2243         (Sized_incremental_binary::current_input_file_): New data member.
2244
2245 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2246
2247         PR gold/12640
2248         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2249         violation.
2250
2251 2011-03-30  Cary Coutant  <ccoutant@google.com>
2252
2253         * archive.cc (Archive::include_member): Adjust call to report_object.
2254         (Add_archive_symbols::run): Add script_info to call to
2255         report_archive_begin.
2256         (Lib_group::include_member): Adjust call to report_object.
2257         (Add_lib_group_symbols::run): Adjust call to report_object.
2258         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2259         blocks.  Add object count for script input files.
2260         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2261         script_info parameter; change all callers.
2262         (Incremental_inputs::report_object): Add script_info parameter;
2263         change all callers.
2264         (Incremental_inputs::report_script): Store backpointer to
2265         incremental info entry.
2266         (Output_section_incremental_inputs::set_final_data_size): Record
2267         additional information for scripts.
2268         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2269         * incremental.h (Incremental_script_entry::add_object): New function.
2270         (Incremental_script_entry::get_object_count): New function.
2271         (Incremental_script_entry::get_object): New function.
2272         (Incremental_script_entry::objects_): New data member; adjust
2273         constructor.
2274         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2275         (Incremental_inputs::report_object): Add script_info parameter.
2276         (Incremental_inputs_reader::get_object_count): New function.
2277         (Incremental_inputs_reader::get_object_offset): New function.
2278         * options.cc (Input_arguments::add_file): Return reference to
2279         new input argument.
2280         * options.h (Input_argument::set_script_info): New function.
2281         (Input_argument::script_info): New function.
2282         (Input_argument::script_info_): New data member; adjust all
2283         constructors.
2284         (Input_file_group::add_file): Return reference to new input argument.
2285         (Input_file_lib::add_file): Likewise.
2286         (Input_arguments::add_file): Likewise.
2287         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2288         * script.cc (Parser_closure::Parser_closure): Add script_info
2289         parameter; adjust all callers.
2290         (Parser_closure::script_info): New function.
2291         (Parser_closure::script_info_): New data member.
2292         (read_input_script): Report scripts earlier to incremental info.
2293         (script_add_file): Set script_info in Input_argument.
2294         (script_add_library): Likewise.
2295         * script.h (Script_options::Script_info): Rewrite class.
2296
2297 2011-03-29  Cary Coutant  <ccoutant@google.com>
2298
2299         * archive.cc (Library_base::should_include_member): Move
2300         method here from class Archive.
2301         (Archive::Archive): Initialize base class.
2302         (Archive::should_include_member): Move to base class.
2303         (Archive::do_for_all_unused_symbols): New function.
2304         (Add_archive_symbols::run): Remove redundant access to
2305         incremental_inputs.
2306         (Lib_group::Lib_group): Initialize base class.
2307         (Lib_group::do_filename): New function.
2308         (Lib_group::include_member): Pass pointer to Lib_group to
2309         report_object.
2310         (Lib_group::do_for_all_unused_symbols): New function.
2311         (Add_lib_group_symbols::run): Report archive information for
2312         incremental links.
2313         * archive.h (class Library_base): New base class.
2314         (class Archive): Derive from Library_base.
2315         (Archive::filename): Move to base class.
2316         (Archive::set_incremental_info): Likewise.
2317         (Archive::incremental_info): Likewise.
2318         (Archive::Should_include): Likewise.
2319         (Archive::should_include_member): Likewise.
2320         (Archive::Armap_entry): Remove.
2321         (Archive::Unused_symbol_iterator): Remove.
2322         (Archive::unused_symbols_begin): Remove.
2323         (Archive::unused_symbols_end): Remove.
2324         (Archive::do_filename): New function.
2325         (Archive::do_get_mtime): New function.
2326         (Archive::do_for_all_unused_symbols): New function.
2327         (Archive::task_): Move to base class.
2328         (Archive::incremental_info_): Likewise.
2329         (class Lib_group): Derive from Library_base.
2330         (Lib_group::do_filename): New function.
2331         (Lib_group::do_get_mtime): New function.
2332         (Lib_group::do_for_all_unused_symbols): New function.
2333         (Lib_group::task_): Move to base class.
2334         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2335         function.
2336         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2337         function.
2338         * incremental.cc (Incremental_inputs::report_archive_begin):
2339         Use Library_base; call library's get_mtime; add incremental inputs
2340         entry before members.
2341         (class Unused_symbol_visitor): New class.
2342         (Incremental_inputs::report_archive_end): Use Library_base; use
2343         visitor class to record unused symbols; don't add incremental inputs
2344         entry after members.
2345         (Incremental_inputs::report_object): Use Library_base.
2346         * incremental.h
2347         (Incremental_archive_entry::Incremental_archive_entry): Remove
2348         unused Archive parameter.
2349         (Incremental_inputs::report_archive_begin): Use Library_base.
2350         (Incremental_inputs::report_archive_end): Likewise.
2351         (Incremental_inputs::report_object): Likewise.
2352         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2353         function.
2354         * object.h (Object::for_all_global_symbols): New function.
2355         (Object::do_for_all_global_symbols): New function.
2356         (Sized_relobj::do_for_all_global_symbols): New function.
2357         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2358         function.
2359         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2360         function.
2361
2362 2011-03-27  Ian Lance Taylor  <iant@google.com>
2363
2364         * archive.cc (Archive::interpret_header): Return -1 if something
2365         goes wrong.  Change callers accordingly.
2366
2367 2011-03-25  Cary Coutant  <ccoutant@google.com>
2368
2369         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2370         * testsuite/Makefile.in: Regenerate.
2371
2372 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2373
2374         * plugin.cc (get_view): New.
2375         (Plugin::load): Pass get_view to the plugin.
2376         (Plugin_manager::get_view): New.
2377
2378 2011-03-21  Ian Lance Taylor  <iant@google.com>
2379
2380         * testsuite/final_layout.sh: Rewrite to not use dc.
2381         * testsuite/relro_test.sh: Fail if dc is not present.
2382
2383 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2384
2385         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2386         Change == to -eq.
2387         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2388         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2389         Change == to -eq.
2390         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2391         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2392
2393 2011-03-14  Ian Lance Taylor  <iant@google.com>
2394
2395         * script-sections.cc (Sort_output_sections::script_compare):
2396         Rename from is_before, change return type.
2397         (Sort_output_sections::operator()): Adjust accordingly.
2398
2399 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2400
2401         PR gold/12572
2402         * testsuite/odr_violation2.cc: Add comment to make all error line
2403         numbers double digits.
2404         * testsuite/debug_msg.sh: Adjust expected errors.
2405
2406 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2407
2408         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2409         but mark earlier ones as non-canonical
2410         (offset_to_iterator): Update search target and example
2411         (do_addr2line): Return extra lines in a vector*
2412         (format_file_lineno): Extract from do_addr2line
2413         (one_addr2line): Add vector* out-param
2414         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2415         when a lineno entry appeared last for its instruction
2416         (Dwarf_line_info): Add vector* out-param
2417         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2418         * symtab.cc (Odr_violation_compare): Include the lineno in the
2419         comparison again.
2420         (linenos_from_loc): New. Combine the canonical line for an
2421         address with its other lines.
2422         (True_if_intersect): New. Helper functor to make
2423         std::set_intersection a query.
2424         (detect_odr_violations): Compare sets of lines instead of just
2425         one line for each function. This became less deterministic, but
2426         has fewer false positives.
2427         * symtab.h: Declarations.
2428         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2429         mix an optimized and non-optimized object in the same binary
2430         (odr_violation2.so): Same.
2431         * testsuite/Makefile.in: Regenerate from Makefile.am.
2432         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2433         * testsuite/debug_msg.sh: Update line numbers and add
2434         assertions.
2435         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2436         non-optimized context.
2437         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2438         isn't inlined, and use OdrDerived in an optimized context.
2439         * testsuite/odr_header1.h: Defines OdrDerived, where
2440         optimization will change the
2441         first-instruction-in-the-destructor's file and line number.
2442         * testsuite/odr_header2.h: Defines OdrBase.
2443
2444 2011-03-09  Ian Lance Taylor  <iant@google.com>
2445
2446         * fileread.cc (File_read::clear_views): Don't delete the whole
2447         file view.
2448
2449 2011-03-08  Ian Lance Taylor  <iant@google.com>
2450
2451         PR gold/12525
2452         * fileread.cc: #include <climits>.
2453         (GOLD_IOV_MAX): Define.
2454         (File_read::read_multiple): Limit number of entries by iov_max.
2455         * fileread.h (class File_read): Always set max_readv_entries to
2456         128.
2457
2458 2011-03-07  Ian Lance Taylor  <iant@google.com>
2459
2460         PR gold/12525
2461         * options.h (class General_options): Add -dy and -dn.
2462
2463 2011-03-02  Cary Coutant  <ccoutant@google.com>
2464
2465         * testsuite/script_test_9.t: Add TLS segment.
2466
2467 2011-03-02  Simon Baldwin  <simonb@google.com>
2468
2469         * configure.ac: Add check for gnu_indirect_function support in
2470         the toolchain building binutils.
2471         * configure: Rebuild.
2472
2473 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2474
2475         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2476         plugin only symbols.
2477         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2478         in plugin files as not needed in the symbol table.
2479
2480 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2481
2482         * output.cc (Output_section::add_input_section): Delay fill
2483         generation for section ordering.
2484
2485 2011-02-09  Ian Lance Taylor  <iant@google.com>
2486
2487         PR gold/12316
2488         * object.h (class Sized_relobj): Remove clear_local_symbols.
2489         * reloc.cc (Sized_relobj::do_relocate): Don't call
2490         clear_local_symbols.
2491
2492 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2493
2494         * plugin.cc (is_visible_from_outside): Return true for symbols
2495         in the -u option.
2496
2497 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2498
2499         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2500         filename.
2501
2502 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2503
2504         * icf.h (is_section_foldable_candidate): Change type of parameter
2505         to std::string.
2506         * icf.cc (Icf::find_identical_sections): Change type of local variable
2507         section_name to be std::string.
2508         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2509
2510 2011-01-25  Ian Lance Taylor  <iant@google.com>
2511
2512         * script.cc (script_add_extern): Rewrite to use
2513         add_symbol_reference.
2514
2515 2011-01-25  Doug Kwan  <dougkwan@google.com>
2516
2517         * icf.cc (get_section_contents): Always lock section's object.
2518
2519 2011-01-24  Ian Lance Taylor  <iant@google.com>
2520
2521         * options.h (class General_options): Accept
2522         --no-detect-odr-violations.
2523
2524 2011-01-24  Ian Lance Taylor  <iant@google.com>
2525
2526         * version.cc (version_string): Bump to 1.11.
2527
2528 2011-01-24  Ian Lance Taylor  <iant@google.com>
2529
2530         * plugin.cc (class Plugin_rescan): Define new class.
2531         (Plugin_manager::claim_file): Set any_claimed_.
2532         (Plugin_manager::save_archive): New function.
2533         (Plugin_manager::save_input_group): New function.
2534         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2535         necessary.
2536         (Plugin_manager::new_undefined_symbol): New function.
2537         (Plugin_manager::rescan): New function.
2538         (Plugin_manager::rescannable_defines): New function.
2539         (Plugin_manager::add_input_file): Set any_added_.
2540         * plugin.h (class Plugin_manager): define new fields rescannable_,
2541         undefined_symbols_, any_claimed_, and any_added_.  Declare
2542         Plugin_rescan as friend.  Declare new functions.
2543         (Plugin_manager::Rescannable): Define type.
2544         (Plugin_manager::Rescannable_list): Define type.
2545         (Plugin_manager::Undefined_symbol_list): Define type.
2546         (Plugin_manager::Plugin_manager): Initialize new fields.
2547         * archive.cc (Archive::defines_symbol): New function.
2548         (Add_archive_symbols::run): Pass archive to plugins if any.
2549         * archive.h (class Archive): Declare defines_symbol.
2550         * readsyms.cc (Input_group::~Input_group): New function.
2551         (Finish_group::run): Pass input_group to plugins if any.
2552         * readsyms.h (class Input_group): Declare destructor.
2553         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2554         any.
2555
2556 2011-01-10  Ian Lance Taylor  <iant@google.com>
2557
2558         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2559         section as relro.
2560         (Layout::set_segment_offsets): Reset increase_relro before calling
2561         set_section_addresses a second time.
2562
2563 2011-01-04  Cary Coutant  <ccoutant@google.com>
2564
2565         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2566         sections before NOBITS sections.
2567
2568 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2569
2570         * version.cc (print_version): Update copyright to 2011.
2571
2572 2010-12-23  Cary Coutant  <ccoutant@google.com>
2573
2574         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2575         of OS to this->add.  Add OD parameter to second form of the function.
2576
2577 2010-12-20  Ian Lance Taylor  <iant@google.com>
2578
2579         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2580         second of two consecutive entries with same offset.
2581
2582 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2583
2584         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2585         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2586         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2587         to avoid unneeded links against $(LDADD).
2588         * testsuite/Makefile.in: Regenerate.
2589
2590 2010-12-15  Ian Lance Taylor  <iant@google.com>
2591
2592         PR gold/12324
2593         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2594         for R_X86_64_32 and R_X86_64_PC32.
2595         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2596         ver_matching_def_pic.o.
2597         (ver_matching_def_pic.o): New target.
2598
2599 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2600
2601         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2602         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2603         Move definition before File_read::View member definitions.
2604         (File_read::View::~View): Initialize and hold lock before
2605         updating current_mapped_bytes.
2606
2607 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2608
2609         * dwarf_reader.cc: Remove outdated comment.
2610         * gold-threads.cc: Fix typo in error message.
2611         * archive.cc: Fix typos in comments.
2612         * archive.h: Likewise.
2613         * arm-reloc-property.cc: Likewise.
2614         * arm-reloc-property.h: Likewise.
2615         * arm-reloc.def: Likewise.
2616         * arm.cc: Likewise.
2617         * attributes.h: Likewise.
2618         * cref.cc: Likewise.
2619         * ehframe.cc: Likewise.
2620         * fileread.h: Likewise.
2621         * gold.h: Likewise.
2622         * i386.cc: Likewise.
2623         * icf.cc: Likewise.
2624         * incremental.h: Likewise.
2625         * int_encoding.cc: Likewise.
2626         * layout.h: Likewise.
2627         * main.cc: Likewise.
2628         * merge.h: Likewise.
2629         * object.cc: Likewise.
2630         * object.h: Likewise.
2631         * options.cc: Likewise.
2632         * readsyms.cc: Likewise.
2633         * reduced_debug_output.cc: Likewise.
2634         * reloc.cc: Likewise.
2635         * script-sections.cc: Likewise.
2636         * sparc.cc: Likewise.
2637         * symtab.h: Likewise.
2638         * target-reloc.h: Likewise.
2639         * target.cc: Likewise.
2640         * target.h: Likewise.
2641         * timer.cc: Likewise.
2642         * timer.h: Likewise.
2643         * x86_64.cc: Likewise.
2644
2645 2010-12-09  Cary Coutant  <ccoutant@google.com>
2646
2647         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2648         stack.
2649         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2650         parameter; change all callers.
2651         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2652         * options.h (warn_execstack): New option.
2653
2654 2010-12-07  Doug Kwan  <dougkwan@google.com>
2655
2656         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2657         like function call relocations.
2658
2659 2010-12-07  Ian Lance Taylor  <iant@google.com>
2660
2661         * archive.cc (Archive::get_elf_object_for_member): Permit
2662         punconfigured to be NULL.
2663         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2664         (Archive::include_member): Pass NULL to get_elf_object_for_member
2665         if we searched for the archive and this is the first included
2666         object.
2667
2668 2010-12-01  Ian Lance Taylor  <iant@google.com>
2669
2670         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2671         track_relocs_type_ field.
2672         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2673         Set track_relocs_type_.
2674         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2675         contents when using RELA relocs.
2676         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2677         reloc_map_.
2678         * reloc.cc (Track_relocs::next_addend): New function.
2679         * reloc.h (class Track_relocs): Declare next_addend.
2680
2681 2010-12-01  Ian Lance Taylor  <iant@google.com>
2682
2683         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2684         virtual destructor.
2685
2686 2010-12-01  Ian Lance Taylor  <iant@google.com>
2687
2688         * README: Update compilers known to work and fail.
2689
2690 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2691
2692         * configure.in: For --enable-gold, handle value `default' instead of
2693         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2694         not the default.
2695         * configure: Regenerate.
2696
2697 2010-11-18  Doug Kwan  <dougkwan@google.com>
2698
2699         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2700         and right_alignment to be zero.  Store result alignment only if it is
2701         greater than existing alignment.
2702
2703 2010-11-16  Cary Coutant  <ccoutant@google.com>
2704
2705         PR gold/12220
2706         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2707         Check for ".zdebug_line".
2708
2709 2010-11-16  Doug Kwan  <dougkwan@google.com>
2710             Cary Coutant  <ccoutant@google.com>
2711
2712         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2713         by reference; adjust all callers.
2714         * output.cc (Output_segment::set_section_addresses): Adjust references
2715         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2716         list is empty.
2717         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2718         end at page boundary.
2719
2720 2010-11-16  Cary Coutant  <ccoutant@google.com>
2721
2722         PR gold/12220
2723         * layout.cc (Layout::choose_output_section): Transform names of
2724         compressed sections even when using a script with a SECTIONS clause.
2725         (Layout::output_section_name): Remove code to transform
2726         compressed debug section names.
2727         * output.cc (Output_section::add_input_section): Use uncompressed
2728         section size when tracking input sections.
2729
2730 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2731
2732         * symtab.h (Symbol::NON_PIC_REF): Remove.
2733         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2734         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2735         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2736         (Symbol::use_plt_offset): Take a flags argument and pass it
2737         directly to needs_dynamic_reloc.  Restrict check for undefined
2738         weak symbols to function calls.
2739         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2740         (Target_arm::Scan::global): Use it.
2741         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2742         (Target_arm::Relocate::relocate): Likewise.
2743         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2744         parameter with an r_type parameter.  Use get_reference_flags
2745         to get the flags.
2746         (Target_arm::Relocate::relocate): Update accordingly.
2747         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2748         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2749         (Target_i386::Scan::global): Likewise.
2750         (Target_i386::Relocate::relocate): Likewise.
2751         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2752         parameter with an r_type parameter.  Use get_reference_flags
2753         to get the flags.
2754         (Target_i386::Relocate::relocate): Update accordingly.
2755         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2756         (Target_powerpc::Scan::global): Use it.
2757         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2758         (Target_powerpc::Relocate::relocate): Likewise.
2759         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2760         (Target_sparc::Scan::global): Use it.
2761         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2762         (Target_sparc::Relocate::relocate): Likewise.
2763         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2764         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2765         (Target_x86_64::Scan::global): Likewise.
2766         (Target_x86_64::Relocate::relocate): Likewise.
2767
2768 2010-11-08  Doug Kwan  <dougkwan@google.com>
2769             Cary Coutant  <ccoutant@google.com>
2770
2771         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2772         (Arm_exidx_merge_section::section_contents_): New data member.
2773         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2774         (Arm_input_section::~Arm_input_section): De-allocate memory.
2775         (Arm_input_section::original_contents_): New data member.
2776         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2777         in parameters instead of calling Object::section_contents without
2778         locking.
2779         (Arm_output_section::group_section): New parameter TASK.  Pass it
2780         to callees that need locking objects.
2781         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2782         to lock EXIDX input sections.  Fix a formatting issue.  Call
2783         Arm_exidx_merged_section::build_contents to create merged section
2784         contents.
2785         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2786         to lock object of stub table owner.
2787         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2788         TEXT_SIZE to initialize data member TEXT_SIZE_.
2789         (Arm_exidx_input_section::addralign): Fix typo in comment.
2790         (Arm_exidx_input_section::text_size): New method.
2791         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2792         that require locking objects.  Lock objects before scanning for stubs
2793         and updating local symbols.
2794         (Arm_input_section<big_endian>::init): Copy contents of original
2795         input section.
2796         (Arm_input_section<big_endian>::do_write): Use saved contents of
2797         original input section instead of calling Object::section_contents
2798         without locking.
2799         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2800         size without calling Object::section_size().
2801         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2802         for size.  Allocate a buffer for merged EXIDX entries.
2803         (Arm_exidx_merged_section::build_contents): New method.
2804         (Arm_exidx_merged_section::do_write): Move merge section contents
2805         building code to Arm_exidx_merged_section::build_contetns.  Write
2806         out contetns in buffer instead of building it on the fly.
2807         (Arm_relobj::make_exidx_input_section): Also pass text section size
2808         to Arm_exidx_input_section constructor.
2809         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2810         (Arm_dynobj::do_read_symbols): Fix memory leak.
2811         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2812         * target.h: (class Task): Add forward declaration.
2813         (Target::relax): Add new parameter TASK and pass it to
2814         Target::do_relax().
2815         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2816
2817 2010-11-05  Cary Coutant  <ccoutant@google.com>
2818
2819         PR gold/10708
2820         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2821         object when reading from the file.
2822         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2823         second layout pass.
2824         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2825         when reading section contents.
2826         (get_section_contents): Likewise.
2827         (icf::find_identical_sections): Likewise.
2828         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2829         object when reading from the file.
2830         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2831         the object when doing deferred section layout.
2832
2833 2010-11-03  Nick Clifton  <nickc@redhat.com>
2834
2835         PR gold/12001
2836         * script.h (class Symbol_assignment: name): New member.  Returns
2837         the name of the symbol.
2838         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2839         Returns true if the given symbol name is on the list of
2840         assignments wating to be processed.
2841         * archive.cc (should_incldue_member): If the symbol is undefined,
2842         check to see if it is on the list of symbols pending assignment.
2843
2844 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2845
2846         * script-sections.cc (Script_sections::find_memory_region): Check
2847         for a NULL output section pointer.
2848
2849 2010-10-29  Doug Kwan  <dougkwan@google.com>
2850
2851         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2852         Output_section::add_relaxed_input_section.
2853         * output.cc (Output_section::add_relaxed_input_section): Add new
2854         arguments LAYOUT and NAME.  Set section order index.
2855         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2856         Copy section order index.
2857         * output.h (Output_section::add_relaxed_input_section): Add new
2858         arguments LAYOUT and NAME.
2859
2860 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2861
2862         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2863         NATIVE_OR_CROSS_LINKER.
2864         * testsuite/Makefile.in: Regenerate.
2865
2866 2010-10-20  Doug Kwan  <dougkwan@google.com>
2867
2868         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2869         without SHF_LINK_ORDER flags.
2870         * layout.cc (Layout::choose_output_section): Do not filter
2871         SHF_LINK_ORDER flag in a relocatable link.
2872
2873 2010-10-17  Cary Coutant  <ccoutant@google.com>
2874
2875         * output.h (Output_segment::set_section_addresses): Change function
2876         signature.  Update all callers.
2877         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2878         sections.
2879         (Output_segment::set_section_addresses): Align after last TLS
2880         section.  Add padding before last relro section instead of after.
2881
2882 2010-10-17  Doug Kwan  <dougkwan@google.com>
2883
2884         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2885         GOT output section to be writable.
2886
2887 2010-10-14  Cary Coutant  <ccoutant@google.com>
2888
2889         * debug.h (DEBUG_INCREMENTAL): New flag.
2890         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2891         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2892         mode.
2893         * incremental.cc (report_command_line): Ignore all forms of
2894         --incremental.
2895         * layout.cc (Layout::Layout): Check parameters for incremental link
2896         mode.
2897         * options.cc (General_options::parse_incremental): New function.
2898         (General_options::parse_no_incremental): New function.
2899         (General_options::parse_incremental_full): New function.
2900         (General_options::parse_incremental_update): New function.
2901         (General_options::incremental_mode_): New data member.
2902         (General_options::finalize): Check incremental_mode_.
2903         * options.h (General_options): Update help text for --incremental.
2904         Add --no-incremental, --incremental-full, --incremental-update.
2905         (General_options::Incremental_mode): New enum type.
2906         (General_options::incremental_mode): New function.
2907         (General_options::incremental_mode_): New data member.
2908         * parameters.cc (Parameters::incremental_mode_): New data member.
2909         (Parameters::set_options): Set incremental_mode_.
2910         (Parameters::set_incremental_full): New function.
2911         (Parameters::incremental): New function.
2912         (Parameters::incremental_update): New function.
2913         (set_parameters_incremental_full): New function.
2914         * parameters.h (Parameters::set_incremental_full): New function.
2915         (Parameters::incremental): New function.
2916         (Parameters::incremental_update): New function.
2917         (Parameters::incremental_mode_): New data member.
2918         (set_parameters_incremental_full): New function.
2919         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2920         incremental link mode.
2921         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2922         (Sized_relobj::do_relocate_sections): Likewise.
2923         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2924         option.
2925         * testsuite/Makefile.in: Regenerate.
2926         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2927
2928 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2929
2930         * script-sections.h (class Script_sections): Make
2931         Sections_elements typedef public.
2932         * script-sections.cc (class Sort_output_sections): Add elements_
2933         field.  Add constructor which sets it; change all callers.
2934         (Sort_output_sections::is_before): New function.
2935         (Sort_output_sections::operator()): Call is_before.
2936         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2937         conditional.
2938         * testsuite/script_test_10.sh: New test. Test script section
2939         order.
2940         * testsuite/script_test_10.t: Likewise.
2941         * testsuite/script_test_10.s: Likewise.
2942         * testsuite/Makefile.am: Wrap the cross linker tests and the
2943         common tests into NATIVE_OR_CROSS_LINKER.
2944         (check_SCRIPTS): Add script_test_10.sh.
2945         (check_DATA): Add script_test_10.stdout.
2946         (script_test_10.o, script_test_10): New targets.
2947         (script_test_10.stdout): New target.
2948         * configure, testsuite/Makefile.in: Regenerate.
2949
2950 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2951
2952         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2953         error for the deprecated relocations.
2954         (Target_arm::Scan::global): Likewise.
2955         (Target_arm::Relocate::relocate): Likewise.
2956
2957 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2958
2959         * fileread.cc (Input_file::find_file): Initialize *found_name
2960         and *namep when using the fallback search for case 4.
2961
2962 2010-10-11  Cary Coutant  <ccoutant@google.com>
2963
2964         * options.h (class General_options): Redefine -z lazy as an alias for
2965         the negation of -z now.
2966
2967 2010-10-11  Ian Lance Taylor  <iant@google.com>
2968
2969         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2970         binding.
2971
2972 2010-10-06  Nick Clifton  <nickc@redhat.com>
2973
2974         * script-sections.cc(class Memory_region): Remove
2975         current_lma_offset_ field.  Rename current_vma_offset_ to
2976         current_offset_.  Add last_section_ field.
2977         (Memory_region::get_current_vma_address): Rename to
2978         get_current_address.
2979         (Memory_region::get_current_lma_address): Delete.
2980         (Memory_region::increment_vma_offset): Rename to
2981         increment_offset.
2982         (Memory_region::increment_lma_offset): Delete.
2983         (Memory_region::attributes_compatible): New method.  Returns
2984         true if the provided section is compatible with the region.
2985         (Memory_region::get_last_section): New method.  Returns the last
2986         section to use the region.
2987         (Memory_region::set_last_section): New method.  Stores the last
2988         section to use the region.
2989         (Script_sections::block_in_region): New method.  Returns true if
2990         a block of memory is contained within a region.
2991         (Script_sections::find_memory_region): New method.  Locates a
2992         memory region to be used to set a VMA or LMA address.
2993         (Output_section_definition::set_section_addresses): Add code to
2994         check for addresses set by memory regions.
2995         (Output_segment::set_section_addresses): Remove memory region
2996         walking code.
2997         (Script_sections::create_segment): Add a warning if a header
2998         segment is created outside of any region.
2999         * script-sections.h (class Script_sections): Add prototypes for
3000         find_memory_region and block_in_region methods.
3001         * testsuite/memory_test.s: Use .long instead of .word.
3002         * testsuite/memory_test.t: Add some more output sections.
3003         * testsuite/memory_test.sh: Update expected output.
3004
3005 2010-10-02  Doug Kwan  <dougkwan@google.com>
3006
3007         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3008         defintion to symtab.h
3009         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3010         declaration to defintion.
3011
3012 2010-10-01  Nick Clifton  <nickc@redhat.com>
3013
3014         * expression.cc (eval): Replace dummy argument with NULL.
3015         (eval_maybe_dot): Check for a NULL result section pointer.
3016         (Symbol_expression::value): Likewise.
3017         (Dot_expression::value): Likewise.
3018         (BINARY_EXPRESSION): Likewise.
3019         (Max_expression::value): Likewise.
3020         (Min_expression::value): Likewise.
3021         (Absolute_expression::value): Likewise.
3022         (Addr_expression::value_from_output_section): Likewise.
3023         (Loaddddr_expression::value_from_output_section): Likewise.
3024         (Segment_start_expression::value): Likewise.
3025         * script-sections.cc
3026         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3027         argument with NULL.
3028         (Sections_elememt_dot_assignment::set_section_addresses):
3029         Likewise.
3030         (Output_data_expression::do_write_to_buffer): Likewise.
3031         (Output_section_definition::finalize_symbols): Likewise.
3032         (Output_section_definition::set_section_addresses): Likewise.
3033
3034 2010-09-30  Doug Kwan  <dougkwan@google.com>
3035
3036         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3037
3038 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3039
3040         * target.h (Target::can_icf_inline_merge_sections): New virtual
3041         function.
3042         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3043         virtual function.
3044         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3045         virtual function.
3046         * icf.cc (get_section_contents): Inline merge sections only when
3047         target allows it.
3048
3049 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3050
3051         * configure: Regenerate.
3052
3053 2010-09-17  Ian Lance Taylor  <iant@google.com>
3054
3055         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3056         * testsuite/Makefile.am (memory_test.o): New target.
3057         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3058         memory_test.t.
3059         * testsuite/Makefile.in: Rebuild.
3060
3061 2010-09-17  Doug Kwan  <dougkwan@google.com>
3062
3063         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3064         defintion if relocation uses GOT entries of the symbol.
3065         * testsuite/icf_safe_test.sh: Fix test.
3066         * testsuite/icf_safe_so_test.sh: Fix test.
3067
3068 2010-09-16  Cary Coutant  <ccoutant@google.com>
3069
3070         * script_sections.cc (class Memory_region): Remove "NULL" from
3071         vector initializations.
3072
3073 2010-09-15  Cary Coutant  <ccoutant@google.com>
3074
3075         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3076         Resolve forwarding symbols.
3077
3078 2010-09-15  Doug Kwan  <dougkwan@google.com>
3079
3080         * gold/testsuite/script_test_3.t: Add ARM special sections.
3081         * gold/testsuite/script_test_4.t: Same.
3082         * gold/testsuite/script_test_5.t: Same.
3083         * gold/testsuite/script_test_6.t: Same.
3084         * gold/testsuite/script_test_7.t: Same.
3085         * gold/testsuite/script_test_7.t: Same.
3086         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3087
3088 2010-09-14  Cary Coutant  <ccoutant@google.com>
3089
3090         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3091         (Target_x86_64::Relocate::relocate_tls): Replace check for
3092         saw_tls_block_reloc_ with test for executable section.
3093
3094 2010-09-12  Cary Coutant  <ccoutant@google.com>
3095
3096         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3097         position-independent executables to shared libraries need dynamic
3098         relocations.
3099         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3100         position-independent executables.
3101         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3102         * testsuite/Makefile.in: Regenerate.
3103
3104 2010-09-10  Nick Clifton  <nickc@redhat.com>
3105
3106         PR gold/11997
3107         * testsuite/memory_test.t: Discard any sections that are not
3108         needed.
3109
3110 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3111
3112         PR gold/11996
3113         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3114         "This::" to work around a bug in gcc 4.2.
3115
3116         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3117
3118 2010-09-09  Rafael Espindola  <espindola@google.com>
3119
3120         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3121         sections with different PF_X flags in the same segment.
3122         (Layout::find_first_load_seg): Search all segments to find the first
3123         one.
3124         * options.h (rosegment): New.
3125
3126 2010-09-08  Rafael Espindola  <espindola@google.com>
3127
3128         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3129
3130 2010-09-08  Doug Kwan  <dougkwan@google.com>
3131
3132         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3133         (Arm_relobj::do_relocate_sections): Add new parameter for output
3134         file to match the parent.
3135         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3136         of local symbols instead of input values.  Update code to track
3137         changes in gold::relocate_section.
3138         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3139         (Sized_relobj::compute_final_local_value_internal): New methods.
3140         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3141         body into private version of Sized_relobj::compute_final_local_value.
3142         Call the inline method.
3143         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3144         merged symbol value if there is one.
3145         (Symbol_value::has_output_value): New method defintiion.
3146         (Sized_relobj::Compute_final_local_value_status): New enum type.
3147         (Sized_relobj::compute_final_local_value): New methods.
3148         (Sized_relobj::compute_final_local_value_internal): New methods.
3149         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3150         and arm_cortex_a8.sh.
3151         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3152         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3153         New tests.
3154         * Makefile.in: Regenerate.
3155         * testsuite/arm_bl_out_of_range.s: Update test.
3156         * testsuite/thumb_bl_out_of_range.s: Ditto.
3157         * testsuite/thumb_blx_out_of_range.s: Ditto.
3158         * testsuite/arm_branch_out_of_range.sh: New file.
3159         * testsuite/arm_cortex_a8.sh: Ditto.
3160         * testsuite/arm_cortex_a8_b.s: Ditto.
3161         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3162         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3163         * testsuite/arm_cortex_a8_bl.s: Ditto.
3164         * testsuite/arm_cortex_a8_blx.s: Ditto.
3165         * testsuite/arm_cortex_a8_local.s: Ditto.
3166         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3167         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3168
3169 2010-09-08  Rafael Espindola  <espindola@google.com>
3170
3171         * Makefile.am (memory_test.stdout): Run readelf with -W.
3172         * Makefile.in: Regenerate.
3173         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3174         64 bit output.
3175
3176 2010-09-08  Rafael Espindola  <espindola@google.com>
3177
3178         * script-sections.cc (Script_sections::add_memory_region): Convert
3179         field precision to int.
3180         * script.cc (script_set_section_region, script_set_section_region):
3181         Convert field precision to int.
3182
3183 2010-09-08  Rafael Espindola  <espindola@google.com>
3184
3185         * arm.cc (do_finalize_sections): Create the __exidx_start and
3186         __exdix_end symbols even when the section is missing.
3187
3188 2010-09-08  Nick Clifton  <nickc@redhat.com>
3189
3190         * README: Remove claim that MEMORY is not supported.
3191         * expression.cc (script_exp_function_origin)
3192         (script_exp_function_length): Move from here to ...
3193         * script.cc: ... here.
3194         (script_set_section_region, script_add_memory)
3195         (script_parse_memory_attr, script_include_directive): New
3196         functions.
3197         * script-sections.cc
3198         (class Memory_region): New class.
3199         (class Output_section_definition): Add set_memory_region,
3200         set_section_vma, set_section_lma and get_section_name methods.
3201         (class Script_Sections): Add add_memory_region,
3202         find_memory_region, find_memory_region_origin,
3203         find_memory_region_length and set_memory_region methods.
3204         Have set_section_addresses method walk the list of set memory
3205         regions.
3206         Extend the print methos to display memory regions.
3207         * script-sections.h: Add prototypes for new methods.
3208         Add enum for MEMORY region attributes.
3209         * yyscript.y: Add support for parsing MEMORY regions.
3210         * script-c.h: Add prototypes for new functions.
3211         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3212         * testsuite/Makefile.in: Regenerate.
3213         * testsuite/memory_test.sh: New script.
3214         * testsuite/memory_test.s: New assembler source file.
3215         * testsuite/memory_test.t: New linker script.
3216
3217 2010-08-27  Doug Kwan  <dougkwan@google.com>
3218
3219         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3220         reference override an existing dynamic weak reference.
3221         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3222         * testsuite/Makefile.in: Regenerate.
3223         * testsuite/dyn_weak_ref.sh: New file.
3224         * testsuite/dyn_weak_ref_1.c: Ditto.
3225         * testsuite/dyn_weak_ref_2.c: Ditto.
3226
3227 2010-08-27  Ian Lance Taylor  <iant@google.com>
3228
3229         * incremental.h (class Incremental_input_entry): Add virtual
3230         destructor.
3231
3232 2010-08-27  Ian Lance Taylor  <iant@google.com>
3233
3234         * testsuite/start_lib_test_3.c: Mark t3 as used.
3235
3236 2010-08-27  Nick Clifton  <nickc@redhat.com>
3237
3238         * options.cc (version_script): Fix small typo in previous
3239         whitespace tidyup.
3240
3241 2010-08-25  Nick Clifton  <nickc@redhat.com>
3242
3243         * archive.cc: Formatting fixes: Remove whitespace between
3244         typename and following asterisk.  Remove whitespace between
3245         function name and opening parenthesis.
3246         * archive.h: Likewise.
3247         * arm.cc: Likewise.
3248         * attributes.cc: Likewise.
3249         * attributes.h: Likewise.
3250         * common.cc: Likewise.
3251         * copy-relocs.cc: Likewise.
3252         * dirsearch.h: Likewise.
3253         * dynobj.cc: Likewise.
3254         * ehframe.cc: Likewise.
3255         * ehframe.h: Likewise.
3256         * expression.cc: Likewise.
3257         * fileread.cc: Likewise.
3258         * fileread.h: Likewise.
3259         * gc.h: Likewise.
3260         * gold-threads.cc: Likewise.
3261         * gold.cc: Likewise.
3262         * i386.cc: Likewise.
3263         * icf.h: Likewise.
3264         * incremental-dump.cc: Likewise.
3265         * incremental.cc: Likewise.
3266         * layout.cc: Likewise.
3267         * layout.h: Likewise.
3268         * main.cc: Likewise.
3269         * merge.cc: Likewise.
3270         * merge.h: Likewise.
3271         * object.cc: Likewise.
3272         * object.h: Likewise.
3273         * options.cc: Likewise.
3274         * options.h: Likewise.
3275         * output.cc: Likewise.
3276         * output.h: Likewise.
3277         * plugin.cc: Likewise.
3278         * plugin.h: Likewise.
3279         * powerpc.cc: Likewise.
3280         * reloc.cc: Likewise.
3281         * script-c.h: Likewise.
3282         * script-sections.cc: Likewise.
3283         * script.cc: Likewise.
3284         * stringpool.cc: Likewise.
3285         * symtab.cc: Likewise.
3286         * symtab.h: Likewise.
3287         * target.cc: Likewise.
3288         * timer.cc: Likewise.
3289         * timer.h: Likewise.
3290         * version.cc: Likewise.
3291         * x86_64.cc: Likewise.
3292
3293 2010-08-24  Nick Clifton  <nickc@redhat.com>
3294
3295         PR 11899
3296         * layout.cc (segment_precedes): Sort segments by their physical
3297         addresses, if they have been set.
3298
3299 2010-08-23  Cary Coutant  <ccoutant@google.com>
3300
3301         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3302         symbols data.
3303         (Lib_group::include_member): Unlock object after deleting its
3304         symbols data.
3305         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3306         the bug fixed here.
3307
3308 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3309             Cary Coutant  <ccoutant@google.com>
3310
3311         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3312         constructor, and set_blocker.
3313         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3314         readsyms_blocker_.
3315         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3316         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3317         * testsuite/Makefile.am (start_lib_test): New test case.
3318         * testsuite/Makefile.in: Regenerate.
3319         * testsuite/start_lib_test_main.c: New file.
3320         * testsuite/start_lib_test_1.c: New file.
3321         * testsuite/start_lib_test_2.c: New file.
3322         * testsuite/start_lib_test_3.c: New file.
3323
3324 2010-08-19  Ian Lance Taylor  <iant@google.com>
3325
3326         * Makefile.in: Rebuild with automake 1.11.1.
3327         * aclocal.m4: Likewise.
3328         * testsuite/Makefile.in: Likewise.
3329
3330 2010-08-19  Ian Lance Taylor  <iant@google.com>
3331
3332         PR 10893
3333         * i386.cc (class Output_data_plt_i386): Update declarations.
3334         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3335         local_ifuncs_ fields.
3336         (Target_i386::do_plt_section_for_global): New function.
3337         (Target_i386::do_plt_section_for_local): New function.
3338         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3339         parameter; change all callers.  Initialize global_ifuncs_ and
3340         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3341         __rel_iplt_end.
3342         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3343         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3344         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3345         symbols.
3346         (Target_i386::make_plt_section): New function, broken out of
3347         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3348         (Target_i386::make_plt_entry): Call make_plt_section.
3349         (Target_i386::make_local_ifunc_plt_entry): New function.
3350         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3351         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3352         R_386_IRELATIVE to switch.
3353         (Target_i386::Scan::global): Likewise.
3354         (Target_i386::Relocate::relocate): Likewise.
3355         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3356         switch.
3357         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3358         (Target_x86_64::do_plt_section_for_global): New function.
3359         (Target_x86_64::do_plt_section_for_local): New function.
3360         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3361         parameter; change all callers.  If doing a static link define
3362         __rela_iplt_start and __rela_iplt_end.
3363         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3364         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3365         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3366         to point to .plt.
3367         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3368         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3369         switch.
3370         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3371         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3372         R_X86_64_IRELATIVE to switch.
3373         (Target_x86_64::Scan::global): Likewise.
3374         (Target_x86_64::Relocate::relocate): Likewise.
3375         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3376         switch.
3377         * target.h (class Target): Add plt_section_for_global and
3378         plt_section_for_local functions.  Add do_plt_section_for_global
3379         and do_plt_section_for_local virtual functions.
3380         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3381         clarifying comments.
3382         (Symbol::use_plt_offset): Handle IFUNC symbol.
3383         * object.cc (Sized_relobj::Sized_relobj): Initialize
3384         local_plt_offsets_.
3385         (Sized_relobj::local_has_plt_offset): New function.
3386         (Sized_relobj::local_plt_offset): New function.
3387         (Sized_relobj::set_local_plt_offset): New function.
3388         (Sized_relobj::do_count): Handle IFUNC symbol.
3389         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3390         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3391         is_ifunc_symbol functions.
3392         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3393         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3394         local_plt_offsets_ field.
3395         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3396         * output.h (class Output_section_data): Add non-const
3397         output_section function.
3398         (class Output_data_got): Update declarations.
3399         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3400         Add use_plt_offset parameter to global and local constructors.
3401         Change all callers.  Change local_sym_index_ field to 31 bits.
3402         Change GSYM_CODE and CONSTANT_CODE accordingly.
3403         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3404         doing a static link don't set sh_link field.
3405         (Output_data_got::Got_entry::write): Use PLT offset if
3406         appropriate.
3407         (Output_data_got::add_global_plt): New function.
3408         (Output_data_got::add_local_plt): New function.
3409         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3410         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3411         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3412         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3413         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3414         IFUNC conditional.
3415         * testsuite/ifunc-sel.h: New file.
3416         * testsuite/ifuncmain1.c: New file.
3417         * testsuite/ifuncmain1vis.c: New file.
3418         * testsuite/ifuncmod1.c: New file.
3419         * testsuite/ifuncdep2.c: New file.
3420         * testsuite/ifuncmain2.c: New file.
3421         * testsuite/ifuncmain3.c: New file.
3422         * testsuite/ifuncmod3.c: New file.
3423         * testsuite/ifuncmain4.c: New file.
3424         * testsuite/ifuncmain5.c: New file.
3425         * testsuite/ifuncmod5.c: New file.
3426         * testsuite/ifuncmain6pie.c: New file.
3427         * testsuite/ifuncmod6.c: New file.
3428         * testsuite/ifuncmain7.c: New file.
3429         * configure, testsuite/Makefile.in: Rebuild.
3430
3431 2010-08-18  Ian Lance Taylor  <iant@google.com>
3432
3433         * incremental.cc
3434         (Output_section_incremental_inputs::write_input_files): Add cast
3435         to avoid signed/unsigned comparison warning.
3436         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3437
3438 2010-08-12  Cary Coutant  <ccoutant@google.com>
3439
3440         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3441
3442 2010-08-13  Ian Lance Taylor  <iant@google.com>
3443
3444         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3445
3446 2010-08-12  Cary Coutant  <ccoutant@google.com>
3447             Doug Kwan  <dougkwan@google.com>
3448
3449         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3450         defintion overrides non-weak undef, remember that the original undef
3451         is not weak.
3452         * symtab.cc (Symbol_table::sized_write_global): For undef without
3453         an original weak binding, set binding to global in output.
3454         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3455         * testsuite/Makefile.in: Regenerate.
3456         * testsuite/strong_ref_weak_def.sh: New file.
3457         * testsuite/strong_ref_weak_def_1.c: Ditto.
3458         * testsuite/strong_ref_weak_def_2.c: Ditto.
3459
3460 2010-08-12  Cary Coutant  <ccoutant@google.com>
3461
3462         * testsuite/incremental_test.sh: Rewrite.
3463         * testsuite/incremental_test_1.c: Rewrite.
3464         * testsuite/incremental_test_2.c: Rewrite.
3465
3466 2010-08-12  Cary Coutant  <ccoutant@google.com>
3467
3468         * arm.cc (Target_arm::got_size): Add const.
3469         (Target_arm::got_entry_count): New function.
3470         (Target_arm::plt_entry_count): New function.
3471         (Target_arm::first_plt_entry_offset): New function.
3472         (Target_arm::plt_entry_size): New function.
3473         (Output_data_plt_arm::entry_count): New function.
3474         (Output_data_plt_arm::first_plt_entry_offset): New function.
3475         (Output_data_plt_arm::get_plt_entry_size): New function.
3476         * i386.cc (Target_i386::got_size): Add const.
3477         (Target_i386::got_entry_count): New function.
3478         (Target_i386::plt_entry_count): New function.
3479         (Target_i386::first_plt_entry_offset): New function.
3480         (Target_i386::plt_entry_size): New function.
3481         (Output_data_plt_i386::entry_count): New function.
3482         (Output_data_plt_i386::first_plt_entry_offset): New function.
3483         (Output_data_plt_i386::get_plt_entry_size): New function.
3484         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3485         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3486         * incremental.cc: Include target.h.
3487         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3488         parameter.  Adjust all callers.  Find incremental_got_plt section.
3489         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3490         section.
3491         (Output_section_incremental_inputs::set_final_data_size): Calculate
3492         size of incremental_got_plt section.
3493         (Output_section_incremental_inputs::do_write): Write the
3494         incremental_got_plt section.
3495         (Got_plt_view_info): New struct.
3496         (Local_got_offset_visitor): New class.
3497         (Global_got_offset_visitor): New class.
3498         (Global_symbol_visitor_got_plt): New class.
3499         (Output_section_incremental_inputs::write_got_plt): New function.
3500         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3501         Add parameter.  Adjust all callers.
3502         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3503         (Incremental_inputs::got_plt_section): New function.
3504         (Incremental_inputs::got_plt_section_): New data member.
3505         (Incremental_got_plt_reader): New class.
3506         * layout.cc (Layout::create_incremental_info_sections): Add the
3507         incremental_got_plt section.
3508         * object.h (Got_offset_list::get_list): New function.
3509         (Got offset_list::for_all_got_offsets): New function.
3510         (Sized_relobj::local_got_offset_list): New function.
3511         * powerpc.cc (Target_powerpc::got_size): Add const.
3512         (Target_powerpc::got_entry_count): New function.
3513         (Target_powerpc::plt_entry_count): New function.
3514         (Target_powerpc::first_plt_entry_offset): New function.
3515         (Target_powerpc::plt_entry_size): New function.
3516         (Output_data_plt_powerpc::entry_count): New function.
3517         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3518         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3519         * sparc.cc (Target_sparc::got_size): Add const.
3520         (Target_sparc::got_entry_count): New function.
3521         (Target_sparc::plt_entry_count): New function.
3522         (Target_sparc::first_plt_entry_offset): New function.
3523         (Target_sparc::plt_entry_size): New function.
3524         (Output_data_plt_sparc::entry_count): New function.
3525         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3526         (Output_data_plt_sparc::get_plt_entry_size): New function.
3527         * symtab.h (Symbol::got_offset_list): New function.
3528         (Symbol_table::for_all_symbols): New function.
3529         * target.h (Sized_target::got_entry_count): New function.
3530         (Sized_target::plt_entry_count): New function.
3531         (Sized_target::plt_entry_size): New function.
3532         * x86_64.cc (Target_x86_64::got_size): Add const.
3533         (Target_x86_64::got_entry_count): New function.
3534         (Target_x86_64::plt_entry_count): New function.
3535         (Target_x86_64::first_plt_entry_offset): New function.
3536         (Target_x86_64::plt_entry_size): New function.
3537         (Output_data_plt_x86_64::entry_count): New function.
3538         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3539         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3540
3541 2010-08-12  Cary Coutant  <ccoutant@google.com>
3542
3543         * archive.cc: Include incremental.h.
3544         (Archive::Archive): Initialize incremental_info_.
3545         (Archive::include_member): Record archive members in incremental info.
3546         (Add_archive_symbols::run): Record begin and end of an archive in
3547         incremental info.
3548         (Lib_group::include_member): Record objects in incremental info.
3549         * archive.h (Incremental_archive_entry): Forward declaration.
3550         (Archive::set_incremental_info): New member function.
3551         (Archive::incremental_info): New member function.
3552         (Archive::Unused_symbol_iterator): New class.
3553         (Archive::unused_symbols_begin): New member function.
3554         (Archive::unused_symbols_end): New member function.
3555         (Archive::incremental_info_): New data member.
3556         * incremental-dump.cc (find_input_containing_global): New function.
3557         (dump_incremental_inputs): Dump new incremental info sections.
3558         * incremental.cc: Include symtab.h.
3559         (Output_section_incremental_inputs): New class.
3560         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3561         new incremental info sections.
3562         (Sized_incremental_binary::do_check_inputs): Likewise.
3563         (Incremental_inputs::report_archive): Remove.
3564         (Incremental_inputs::report_archive_begin): New function.
3565         (Incremental_inputs::report_archive_end): New function.
3566         (Incremental_inputs::report_object): New function.
3567         (Incremental_inputs::finalize_inputs): Remove.
3568         (Incremental_inputs::report_input_section): New function.
3569         (Incremental_inputs::report_script): Rewrite.
3570         (Incremental_inputs::finalize): Do nothing but finalize string table.
3571         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3572         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3573         (Incremental_inputs::create_data_sections): New function.
3574         (Incremental_inputs::relocs_entsize): New function.
3575         (Output_section_incremental_inputs::set_final_data_size): New function.
3576         (Output_section_incremental_inputs::do_write): New function.
3577         (Output_section_incremental_inputs::write_header): New function.
3578         (Output_section_incremental_inputs::write_input_files): New function.
3579         (Output_section_incremental_inputs::write_info_blocks): New function.
3580         (Output_section_incremental_inputs::write_symtab): New function.
3581         * incremental.h (Incremental_script_entry): Forward declaration.
3582         (Incremental_object_entry): Forward declaration.
3583         (Incremental_archive_entry): Forward declaration.
3584         (Incremental_inputs): Forward declaration.
3585         (Incremental_inputs_header_data): Remove.
3586         (Incremental_inputs_header): Remove.
3587         (Incremental_inputs_header_write): Remove.
3588         (Incremental_inputs_entry_data): Remove.
3589         (Incremental_inputs_entry): Remove.
3590         (Incremental_inputs_entry_write): Remove.
3591         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3592         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3593         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3594         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3595         Likewise.
3596         (Incremental_input_entry): New class.
3597         (Incremental_script_entry): New class.
3598         (Incremental_object_entry): New class.
3599         (Incremental_archive_entry): New class.
3600         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3601         (Incremental_inputs::report_inputs): Remove.
3602         (Incremental_inputs::report_archive): Remove.
3603         (Incremental_inputs::report_archive_begin): New function.
3604         (Incremental_inputs::report_archive_end): New function.
3605         (Incremental_inputs::report_object): Change prototype.
3606         (Incremental_inputs::report_input_section): New function.
3607         (Incremental_inputs::report_script): Change prototype.
3608         (Incremental_inputs::get_reloc_count): New function.
3609         (Incremental_inputs::set_reloc_count): New function.
3610         (Incremental_inputs::create_data_sections): New function.
3611         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3612         (Incremental_inputs::inputs_section): New function.
3613         (Incremental_inputs::symtab_section): New function.
3614         (Incremental_inputs::relocs_section): New function.
3615         (Incremental_inputs::get_stringpool): Add const.
3616         (Incremental_inputs::command_line): Add const.
3617         (Incremental_inputs::inputs): Remove.
3618         (Incremental_inputs::command_line_key): New function.
3619         (Incremental_inputs::input_file_count): New function.
3620         (Incremental_inputs::input_files): New function.
3621         (Incremental_inputs::relocs_entsize): New function.
3622         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3623         (Incremental_inputs::finalize_inputs): Remove.
3624         (Incremental_inputs::Input_info): Remove.
3625         (Incremental_inputs::lock_): Remove.
3626         (Incremental_inputs::inputs_): Change type.
3627         (Incremental_inputs::inputs_map_): Remove.
3628         (Incremental_inputs::current_object_entry_): New data member.
3629         (Incremental_inputs::inputs_section_): New data member.
3630         (Incremental_inputs::symtab_section_): New data member.
3631         (Incremental_inputs::relocs_section_): New data member.
3632         (Incremental_inputs::reloc_count_): New data member.
3633         (Incremental_inputs_reader): New class.
3634         (Incremental_symtab_reader): New class.
3635         (Incremental_relocs_reader): New class.
3636         * layout.cc (Layout::finalize): Move finalization of incremental info
3637         and creation of incremental info sections to follow finalization of
3638         symbol table.  Set offsets for postprocessing sections.
3639         (Layout::create_incremental_info_sections): Call
3640         Incremental_inputs::create_data_sections.  Add incremental symtab
3641         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3642         sections to layout after input sections.
3643         * layout.h (struct Timespec): Forward declaration.
3644         (Layout::incremental_inputs): Add const.
3645         (Layout::create_incremental_info_sections): Add parameter.
3646         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3647         * object.cc: Include incremental.h.
3648         (Relobj::finalize_incremental_relocs): New function.
3649         (Sized_relobj::do_layout): Record input sections in incremental info.
3650         * object.h (Object::output_section): New function.
3651         (Object::output_section_offset): Moved from Relobj.
3652         (Object::get_incremental_reloc_base): New function.
3653         (Object::get_incremental_reloc_count): New function.
3654         (Object::do_output_section): New function.
3655         (Object::do_output_section_offset): Moved from Relobj.
3656         (Object::do_get_incremental_reloc_base): New function.
3657         (Object::do_get_incremental_reloc_count): New function.
3658         (Object::Object): Initialize new data members.
3659         (Relobj::output_section): Renamed do_output_section and moved to
3660         protected.
3661         (Relobj::output_section_offset): Moved to Object.
3662         (Relobj::do_get_incremental_reloc_base): New function.
3663         (Relobj::do_get_incremental_reloc_count): New function.
3664         (Relobj::allocate_incremental_reloc_counts): New function.
3665         (Relobj::count_incremental_reloc): New function.
3666         (Relobj::finalize_incremental_relocs): New function.
3667         (Relobj::next_incremental_reloc_index): New function.
3668         (Relobj::reloc_counts_): New data member.
3669         (Relobj::reloc_bases_): New data member.
3670         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3671         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3672         (Sized_relobj::incremental_relocs_scan): New function.
3673         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3674         (Sized_relobj::incremental_relocs_write): New function.
3675         (Sized_relobj::incremental_relocs_write_reltype): New function.
3676         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3677         incremental link.
3678         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3679         archives and object files elsewhere.
3680         (Add_symbols::run): Report object files here.
3681         (Finish_group::run): Report end of archive at end of group.
3682         * reloc.cc: Include layout.h, incremental.h.
3683         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3684         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3685         (Sized_relobj::incremental_relocs_scan): New function.
3686         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3687         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3688         (Sized_relobj::incremental_relocs_write): New function.
3689         (Sized_relobj::incremental_relocs_write_reltype): New function.
3690         * script.cc (read_input_script): Rewrite test for incremental link.
3691         Change call to Incremental_inputs::report_script.
3692         * symtab.h (Symbol_table::first_global_index): New function.
3693         (Symbol_table::output_count): New function.
3694
3695 2010-08-12  Doug Kwan  <dougkwan@google.com>
3696
3697         * arm.cc (Target_arm::merge_object_attributes): Check command line
3698         options --no-wchar-size-warning and --no-enum-size-warning.
3699         * options.h (General_options): Add ld-compatible options
3700         --no-enum-size-warning and --no-wchar-size-warning.
3701
3702 2010-08-04  Ian Lance Taylor  <iant@google.com>
3703
3704         * x86_64.cc (Target_x86_64::Scan::local): Use
3705         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3706         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3707         (Target_x86_64::Scan::global): Likewise.
3708         (Target_x86_64::Relocate::relocate): Likewise.
3709         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3710         Likewise.
3711
3712 2010-08-03  Cary Coutant  <ccoutant@google.com>
3713
3714         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3715         to reserve space in merged_strings vector. Keep total input size
3716         for stats.
3717         (Output_merge_string::do_print_merge_stats): Print total input size.
3718         * merge.h (Output_merge_string): Add input_size_ field.
3719         * stringpool.cc (Stringpool_template::string_length): Move
3720         implementations out of Stringpool_template class and place in
3721         stringpool.h.
3722         * stringpool.h (string_length): Move out of Stringpool_template.
3723
3724 2010-08-03  Ian Lance Taylor  <iant@google.com>
3725
3726         PR 11712
3727         * layout.cc (relaxation_loop_body): If address of load segment is
3728         set, adjust address to include headers if possible.
3729
3730 2010-08-03  Ian Lance Taylor  <iant@google.com>
3731
3732         * version.cc (version_string): Bump to 1.10.
3733
3734 2010-08-03  Ian Lance Taylor  <iant@google.com>
3735
3736         PR 11805
3737         * layout.h (enum Output_section_order): Define.
3738         (class Layout): Update declarations.
3739         * layout.cc (Layout::get_output_section): Add order parameter.
3740         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3741         is_first_non_relro parameters.  Change all callers.
3742         (Layout::choose_output_section): Likewise.
3743         (Layout::add_output_section_data): Likewise.
3744         (Layout::make_output_section): Likewise.  Set order.
3745         (Layout::default_section_order): New function.
3746         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3747         * output.cc (Output_section::Output_section): Initialize order_.
3748         Don't initialize deleted fields.
3749         (Output_segment::Output_segment): Don't initialize deleted
3750         fields.
3751         (Output_segment::add_output_section_to_load): New function
3752         replacing add_output_section.  Change all callers to call this or
3753         add_output_section_to_nonload.
3754         (Output_segment::add_output_section_to_nonload): New function.
3755         (Output_segment::remove_output_section): Rewrite.
3756         (Output_segment::add_initial_output_data): Likewise.
3757         (Output_segment::has_any_data_sections): Likewise.
3758         (Output_segment::is_first_section_relro): Likewise.
3759         (Output_segment::maximum_alignment): Likewise.
3760         (Output_segment::has_dynamic_reloc): New function replacing
3761         dynamic_reloc_count.  Change all callers.
3762         (Output_segment::has_dynamic_reloc_list): New function replacing
3763         dynamic_reloc_count_list.  Change all callers.
3764         (Output_segment::set_section_addresses): Rewrite.
3765         (Output_segment::set_offset): Rewrite.
3766         (Output_segment::find_first_and_last_list): Remove.
3767         (Output_segment::set_tls_offsets): Rewrite.
3768         (Output_segment::first_section_load_address): Likewise.
3769         (Output_segment::output_section_count): Likewise.
3770         (Output_segment::section_with_lowest_load_address): Likewise.
3771         (Output_segment::write_section_headers): Likewise.
3772         (Output_segment::print_sections_to_map): Likewise.
3773         * output.h (class Output_data): Remove dynamic_reloc_count_
3774         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3775         (Output_data::add_dynamic_reloc): Rewrite.
3776         (Output_data::has_dynamic_reloc): New function.
3777         (Output_data::dynamic_reloc_count): Remove.
3778         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3779         is_last_relro_, is_first_non_relro_, is_interp_,
3780         is_dynamic_linker_section_ fields.  Add order and set_order
3781         functions.  Remove is_relro_local, set_is_relro_local,
3782         is_last_relro, set_is_last_relro, is_first_non_relro,
3783         set_is_first_non_relro functions, is_interp, set_is_interp,
3784         is_dynamic_linker_section, and set_is_dynamic_linker_section
3785         functions.
3786         (class Output_segment): Change Output_data_list from std::list to
3787         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3788         output_bss_ fields.  Update declarations.
3789
3790 2010-08-02  Ian Lance Taylor  <iant@google.com>
3791
3792         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3793         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3794         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3795
3796 2010-08-02  Ian Lance Taylor  <iant@google.com>
3797
3798         PR 11855
3799         * script.cc (Script_options::Script_options): Initialize
3800         symbol_definitions_ and symbol_references_.
3801         (Script_options::add_symbol_assignment): Update
3802         symbol_definitions_ and symbol_references_.
3803         (Script_options::add_symbol_reference): New function.
3804         (script_symbol): New function.
3805         * script.h (class Script_options): Add symbol_definitions_ and
3806         symbol_references_ fields.
3807         (Script_options::referenced_const_iterator): New type.
3808         (Script_options::referenced_begin): New function.
3809         (Script_options::referenced_end): New function.
3810         (Script_options::is_referenced): New function.
3811         (Script_options::any_unreferenced): New function.
3812         * script-c.h (script_symbol): Declare.
3813         * yyscript.y (exp): Call script_symbol.
3814         * symtab.cc: Include "script.h".
3815         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3816         Change all callers.  Check symbols referenced by scripts.
3817         (Symbol_table::add_undefined_symbols_from_command_line): Add
3818         layout parameter.  Change all callers.
3819         (Symbol_table::do_add_undefined_symbols_from_command_line):
3820         Likewise.  Break out loop body.  Check symbols referenced by
3821         scripts.
3822         (Symbol_table::add_undefined_symbol_from_command_line): New
3823         function broken out of
3824         do_add_undefined_symbols_from_command_line.
3825         * symtab.h (class Symbol_table): Update declarations.
3826         * archive.cc: Include "layout.h".
3827         (Archive::should_include_member): Add layout parameter.  Change
3828         all callers.  Check for symbol mentioned in expression.
3829         * archive.h (class Archive): Update declaration.
3830         * object.cc (Sized_relobj::do_should_include_member): Add layout
3831         parameter.
3832         * object.h (Object::should_include_member): Add layout parameter.
3833         Change all callers.
3834         (Object::do_should_include_member): Add layout parameter.
3835         (class Sized_relobj): Update declaration.
3836         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3837         parameter.
3838         * dynobj.h (class Sized_dynobj): Update declaration.
3839         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3840         layout parameter.
3841         * plugin.h (class Sized_pluginobj): Update declaration.
3842
3843 2010-08-02  Ian Lance Taylor  <iant@google.com>
3844
3845         PR 11866
3846         * output.cc (Output_segment::set_offset): Search for the first and
3847         last sections rather than assuming that the list is in order.
3848         (Output_segment::find_first_and_last_list): New function.
3849         * output.h (class Output_segment): Update declarations.
3850         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3851         (relro_strip_test_SOURCES): New variable.
3852         (relro_strip_test_DEPENDENCIES): New variable.
3853         (relro_strip_test_LDFLAGS): New variable.
3854         (relro_strip_test_LDADD): New variable.
3855         (relro_strip_test.so): New target.
3856
3857 2010-08-02  Ian Lance Taylor  <iant@google.com>
3858
3859         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3860         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3861         (Target_i386::got_tlsdesc_section): New function.
3862         (Target_i386::got_section): Create space for GOT entries for
3863         TLSDESC relocations.
3864         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3865         R_386_TLS_GOTDESC.
3866         (Target_i386::Scan::global): Likewise.
3867         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3868         using TLSDESC GOT.
3869         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3870         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3871         (Target_x86_64::got_tlsdesc_section): New function.
3872         (Target_x86_64::got_section): Create space for GOT entries for
3873         TLSDESC relocations.
3874         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3875         R_386_TLS_GOTDESC.
3876         (Target_x86_64::Scan::global): Likewise.
3877         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3878         using TLSDESC GOT.
3879
3880 2010-08-02  Ian Lance Taylor  <iant@google.com>
3881
3882         * testsuite/final_layout.sh: Use dc to convert from hex to
3883         decimal.
3884
3885 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3886
3887         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3888         paramter to the call to gold::gc_process_relocs.
3889         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3890         paramter to the call to gold::gc_process_relocs.
3891         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3892         parameter to the call to gold::gc_process_relocs.
3893         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3894         template parameter to the call to gold::gc_process_relocs.
3895         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3896         paramter to the call to gold::gc_process_relocs.
3897         * gc.h (get_embedded_addend_size): New function.
3898         (gc_process_relocs): Save the size of the reloc for use by ICF.
3899         * icf.cc (get_section_contents): Get the addend from the text section
3900         for SHT_REL relocation sections.
3901         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3902         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3903         * int_encoding.h (read_from_pointer): New overloaded function.
3904         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3905         * testsuite/icf_sht_rel_addend_test.sh: New file.
3906         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3907         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3908
3909 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3910
3911         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3912         * Makefile.in: Regenerate.
3913         * testsuite/Makefile.in: Regenerate.
3914
3915 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3916
3917         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3918         * gold/testsuite/debug_msg.cc: Likewise.
3919         * gold/testsuite/odr_violation1.cc
3920         * gold/testsuite/odr_violation2.cc
3921
3922 2010-07-21  Cary Coutant  <ccoutant@google.com>
3923
3924         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3925         string, and length fields.
3926         (Output_merge_string::Merged_strings_list): New type.
3927         (Output_merge_string::Merged_strings_lists): New typedef.
3928         (Output_merge_string): Replace merged_strings_ with
3929         merged_strings_lists_.
3930         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3931         Merged_strings_list per input object and section.  Don't store pointer
3932         to the string.  Don't store length with each merged string entry.
3933         (Output_merge_string::finalize_merged_data): Loop over list of merged
3934         strings lists.  Recompute length of each merged string.
3935
3936 2010-07-15  Cary Coutant  <ccoutant@google.com>
3937
3938         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3939         here.
3940
3941 2010-07-14  Ian Lance Taylor  <iant@google.com>
3942
3943         * descriptors.cc (Descriptors::open): Report correct name in error
3944         message.
3945
3946 2010-07-13  Doug Kwan  <dougkwan@google.com>
3947
3948         * arm.cc (Arm_input_section::Arm_input_section): For a
3949         SHT_ARM_EXIDX section, always keeps the input sections.
3950         (Arm_input_section::set_exidx_section_link): New method.
3951         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3952         has_errors_ to false.
3953         (Arm_exidx_input_section::has_errors,
3954         Arm_exidx_input_section::set_has_errors): New methods.
3955         (Arm_exidx_input_section::has_errors_): New data member.
3956         (Arm_relobj::get_exidx_shndx_list): New method.
3957         (Arm_output_section::append_text_sections_to_list): Do not skip
3958         section without SHF_EXECINSTR.
3959         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3960         errors.
3961         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3962         section header.  Make error messages more verbose.  Check for
3963         a non-executable section linked to an EXIDX section.
3964         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3965         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3966         check that there is no deferred EXIDX section if we exit early.
3967         Instead of not making an EXIDX section in case of an error, make one
3968         and set the has_errors flag of it.
3969         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3970         in a relocatable link.
3971         (Target_arm::do_relax): Look for the EXIDX output section instead of
3972         assuming that it is called .ARM.exidx.
3973         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3974         section list.  Do not check for SHF_EXECINSTR section flags but
3975         skip any input section with errors.
3976         * output.cc (Output_section::Output_section): Initialize
3977         always_keeps_input_sections_ to false.
3978         (Output_section::add_input_section): Check for
3979         always_keeps_input_sections_.
3980         *  output.h (Output_section::always_keeps_input_sections,
3981         Output_section::set_always_keeps_input_sections): New methods.
3982         (Output_section::always_keeps_input_sections): New data member.
3983
3984 2010-07-13  Rafael Espindola  <espindola@google.com>
3985
3986         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3987         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3988
3989 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3990             Ian Lance Taylor  <iant@google.com>
3991
3992         * output.h (Output_section_lookup_maps::add_merge_section):
3993         Correct check of whether value was inserted.
3994         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3995         (Output_section_lookup_maps::add_relaxed_input_section):
3996         Likewise.
3997         * arm.cc (Target_arm::got_section): Remove used local os.
3998         * i386.cc (Target_i386::got_section): Likewise.
3999         * x86_64.cc (Target_x86_64::got_section): Likewise.
4000         * sparc.cc (Target_sparc::got_section): Likewise.
4001         (Target_sparc::relocate): Remove unused local have_got_offset.
4002         * powerpc.cc (Target_powerpc::relocate): Likewise.
4003
4004 2010-07-13  Ian Lance Taylor  <iant@google.com>
4005
4006         * compressed_output.cc (zlib_decompress): Fix signature in
4007         !HAVE_ZLIB_H case.
4008
4009         * archive.cc (Archive::include_member): Unlock an external member
4010         of a thin archive.  Don't bother to delete an object we know is
4011         NULL.
4012
4013 2010-07-12  Cary Coutant  <ccoutant@google.com>
4014
4015         * compressed_output.cc (zlib_decompress): New function.
4016         (get_uncompressed_size): New function.
4017         (decompress_input_section): New function.
4018         * compressed_output.h (get_uncompressed_size): New function.
4019         (decompress_input_section): New function.
4020         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4021         Handle compressed debug sections.
4022         * layout.cc (is_compressed_debug_section): New function.
4023         (Layout::output_section_name): Map compressed section names to
4024         canonical names.
4025         * layout.h (is_compressed_debug_section): New function.
4026         (is_debug_info_section): Recognize compressed debug sections.
4027         * merge.cc: Include compressed_output.h.
4028         (Output_merge_data::do_add_input_section): Handle compressed
4029         debug sections.
4030         (Output_merge_string::do_add_input_section): Handle compressed
4031         debug sections.
4032         * object.cc: Include compressed_output.h.
4033         (Sized_relobj::Sized_relobj): Initialize new data members.
4034         (build_compressed_section_map): New function.
4035         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4036         * object.h (Object::section_is_compressed): New method.
4037         (Object::do_section_is_compressed): New method.
4038         (Sized_relobj::Compressed_section_map): New type.
4039         (Sized_relobj::do_section_is_compressed): New method.
4040         (Sized_relobj::compressed_sections_): New data member.
4041         * output.cc (Output_section::add_input_section): Handle compressed
4042         debug sections.
4043         * reloc.cc: Include compressed_output.h.
4044         (Sized_relobj::write_sections): Handle compressed debug sections.
4045
4046 2010-07-08  Cary Coutant  <ccoutant@google.com>
4047
4048         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4049         weak when resolving to a dynamic def.
4050         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4051         for weak undef/dynamic def cases. Adjust callers.
4052         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4053         undef_binding_weak_.
4054         (Symbol_table::sized_write_globals): Adjust symbol binding.
4055         (Symbol_table::sized_write_symbol): Add binding parameter.
4056         * symtab.h (Symbol::set_undef_binding): New method.
4057         (Symbol::is_undef_binding_weak): New method.
4058         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4059         (Symbol_table::should_override): Add new parameter.
4060         (Symbol_table::sized_write_symbol): Add new parameter.
4061
4062         * testsuite/weak_undef_file1.cc: Add new test case.
4063         * testsuite/weak_undef_file2.cc: Fix header comment.
4064         * testsuite/weak_undef_test.cc: Add new test case.
4065
4066 2010-06-29  Doug Kwan  <dougkwan@google.com>
4067
4068         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4069         Initialize USE_SYMBOL_.
4070         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4071         definition.
4072         (Arm_reloc_property::uses_symbol_): New data member declaration.
4073         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4074         uses symbol value and symbol is undefined but not weakly undefined.
4075
4076 2010-06-28  Rafael Espindola  <espindola@google.com>
4077
4078         * plugin.cc (Plugin::load): Use dlerror.
4079
4080 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4081
4082         * symtab.cc (detect_odr_violations): When reporting an ODR
4083         violation, report an object where the symbol is defined.
4084
4085 2010-06-25  Doug Kwan  <dougkwan@google.com>
4086
4087         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4088         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4089         definition.
4090         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4091         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4092         target hook to detect function points.
4093         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4094         * icf.h (Icf::check_section_for_function_pointers): Change type of
4095         parameter SECTION_NAME to const reference to std::string.  Use
4096         target hook to determine if section may have unsafe pointers.
4097         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4098         method definition.
4099
4100 2010-06-21  Rafael Espindola  <espindola@google.com>
4101
4102         * fileread.cc (Input_file::find_fie): New
4103         (Input_file::open): Use Input_file::find_fie.
4104         * fileread.h (Input_file::find_fie): New
4105         * plugin.cc (set_extra_library_path): New.
4106         (Plugin::load): Add set_extra_library_path to the transfer vector.
4107         (Plugin_manager::set_extra_library_path): New.
4108         (Plugin_manager::add_input_file): Use the extra search path if set.
4109         (set_extra_library_path(): New.
4110         * plugin.h (Plugin_manager): Add set_extra_library_path and
4111         extra_search_path_.
4112
4113 2010-06-19  Cary Coutant  <ccoutant@google.com>
4114
4115         * layout.cc (gdb_sections): Add .debug_types.
4116         (lines_only_debug_sections): Likewise.
4117
4118 2010-06-18  Rafael Espindola  <espindola@google.com>
4119
4120         * plugin.cc (add_input_file,add_input_library)
4121         (Plugin_manager::add_input_file): Make filename arguments const.
4122         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4123         const.
4124
4125 2010-06-16  Doug Kwan  <dougkwan@google.com>
4126
4127         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4128         .ARM.attributes section if we have not merged any input
4129         attributes sections.
4130
4131 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4132
4133         * arm.cc: Allow combining objects with no EABI version
4134         information.
4135
4136 2010-06-15  Rafael Espindola  <espindola@google.com>
4137
4138         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4139
4140 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4141
4142         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4143         (struct iovec): Correct !HAVE_READV definition.
4144
4145 2010-06-10  Cary Coutant  <ccoutant@google.com>
4146
4147         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4148         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4149         reloc sections.
4150         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4151
4152         PR 11683
4153         * symtab.h (Symbol::is_placeholder): New member function.
4154         * target-reloc.h (relocate_section): Check for placeholder symbols.
4155
4156         * testsuite/Makefile.am (plugin_test_8): New test.
4157         (plugin_test_9): New test.
4158         * testsuite/Makefile.in: Regenerate.
4159
4160 2010-06-09  Nick Clifton  <nickc@redhat.com>
4161
4162         * yyscript.y (input_list_element): Allow strings prefixed with
4163         the '-' character.  Treat these as libraries.
4164         * script.cc (script_add_library): New function.  Adds a library
4165         specified by "-l<name>" found in an input script.
4166         * script-c.h: Add prototype for script_add_library.
4167
4168 2010-06-07  Doug Kwan  <dougkwan@google.com>
4169
4170         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4171         Restrict stub-group size to be within long conditional branch
4172         range when working around cortex-A8 erratum.
4173
4174 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4175
4176         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4177         #ifdef typo.
4178
4179 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4180
4181         PR gold/11658
4182         * output.cc
4183         (Output_section::Input_section_sort_entry::compare_section_ordering):
4184         Change to return non-zero correctly.
4185         (Output_section::Input_section_sort_section_order_index_compare
4186         ::operator()): Change to fix ambiguity in comparisons.
4187
4188 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4189
4190         * gold.h (is_wildcard_string): New function.
4191         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4192         (Layout::layout_eh_frame): Ditto.
4193         (Layout::find_section_order_index): New method.
4194         (Layout::read_layout_from_file): New method.
4195         * layout.h (Layout::find_section_order_index): New method.
4196         (Layout::read_layout_from_file): New method.
4197         (Layout::input_section_position_): New private member.
4198         (Layout::input_section_glob_): New private member.
4199         * main.cc (main): Call read_layout_from_file here.
4200         * options.h (--section-ordering-file): New option.
4201         * output.cc (Output_section::input_section_order_specified_): New
4202         member.
4203         (Output_section::Output_section): Initialize new member.
4204         (Output_section::add_input_section): Add new parameter.
4205         Keep input sections when --section-ordering-file is used.
4206         (Output_section::set_final_data_size): Sort input sections when
4207         section ordering file is specified.
4208         (Output_section::Input_section_sort_entry): Add new parameter.
4209         Check sorting type.
4210         (Output_section::Input_section_sort_entry::compare_section_ordering):
4211         New method.
4212         (Output_section::Input_section_sort_compare::operator()): Change to
4213         consider section_order_index.
4214         (Output_section::Input_section_sort_init_fini_compare::operator()):
4215         Change to consider section_order_index.
4216         (Output_section::Input_section_sort_section_order_index_compare
4217         ::operator()): New method.
4218         (Output_section::sort_attached_input_sections): Change to sort
4219         according to section order when specified.
4220         (Output_section::add_input_section<32, true>): Add new parameter.
4221         (Output_section::add_input_section<64, true>): Add new parameter.
4222         (Output_section::add_input_section<32, false>): Add new parameter.
4223         (Output_section::add_input_section<64, false>): Add new parameter.
4224         * output.h (Output_section::add_input_section): Add new parameter.
4225         (Output_section::input_section_order_specified): New
4226         method.
4227         (Output_section::set_input_section_order_specified): New method.
4228         (Input_section::Input_section): Initialize section_order_index_.
4229         (Input_section::section_order_index): New method.
4230         (Input_section::set_section_order_index): New method.
4231         (Input_section::section_order_index_): New member.
4232         (Input_section::Input_section_sort_section_order_index_compare): New
4233         struct.
4234         (Output_section::input_section_order_specified_): New member.
4235         * script-sections.cc (is_wildcard_string): Delete and move modified
4236         method to gold.h.
4237         (Output_section_element_input::Output_section_element_input): Modify
4238         call to is_wildcard_string.
4239         (Output_section_element_input::Input_section_pattern
4240         ::Input_section_pattern): Ditto.
4241         (Output_section_element_input::Output_section_element_input): Ditto.
4242         * testsuite/Makefile.am (final_layout): New test case.
4243         * testsuite/Makefile.in: Regenerate.
4244         * testsuite/final_layout.cc: New file.
4245         * testsuite/final_layout.sh: New file.
4246
4247 2010-06-01  Rafael Espindola  <espindola@google.com>
4248
4249         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4250
4251 2010-06-01  Rafael Espindola  <espindola@google.com>
4252
4253         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4254         visibility of symbols.
4255
4256 2010-05-27  Doug Kwan  <dougkwan@google.com>
4257
4258         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4259         from start of output section instead of address for a local symbol
4260         in a merged or relaxed section when doing a relocatable link.
4261
4262 2010-05-26  Rafael Espindola  <espindola@google.com>
4263
4264        PR 11604
4265         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4266         adding sections the garbage collector removed.
4267         * gold/testsuite/Makefile.am: Add test.
4268         * gold/testsuite/Makefile.in: Regenerate.
4269         * gold/testsuite/plugin_test_7.sh: New.
4270         * gold/testsuite/plugin_test_7_1.c: New.
4271         * gold/testsuite/plugin_test_7_2.c: New.
4272
4273 2010-05-26  Rafael Espindola  <espindola@google.com>
4274
4275         * script-sections.cc (Output_section_definition::set_section_addresses):
4276         Check for --section-start.
4277
4278 2010-05-26  Doug Kwan  <dougkwan@google.com>
4279
4280         * arm.cc (Arm_scan_relocatable_relocs): New class.
4281         (Target_arm::relocate_special_relocatable): New method.
4282         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4283         (Arm_relocate_functions::thumb_branch_common): Same.
4284         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4285         instead of Default_scan_relocatable_relocs.
4286         * target-reloc.h (relocate_for_relocatable): Let target handle
4287         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4288         * target.h (Sized_target::relocate_special_relocatable): New method.
4289
4290 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4291
4292         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4293
4294 2010-05-23  Doug Kwan  <dougkwan@google.com>
4295
4296         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4297         instead of a cast.
4298         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4299         with a direct branch, not a conditional branch, to a stub.
4300         * merge.cc (Output_merge_base::record_input_section): New method
4301         defintion.
4302         (Output_merge_data::do_add_input_section): Record input section if
4303         keeps-input-sections flag is set.
4304         (Output_merge_string::do_add_input_section): Ditto.
4305         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4306         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4307         INPUT_SECTIONS_.
4308         (Output_merge_base::keeps_input_sections,
4309         Output_merge_base::set_keeps_input_sections,
4310         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4311         method definitions.
4312         (Output_merge_base::Input_sections): New type declaration.
4313         (Output_merge_base::input_sections_begin,
4314         Output_merge_base::input_sections_end,
4315         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4316         (Output_merge_base::bool keeps_input_sections_,
4317         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4318         Output_merge_base::input_sections_): New data members.
4319         (Output_merge_data::do_set_keeps_input_sections): New method
4320         defintion.
4321         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4322         * output.cc (Output_section::Input_section::relobj): Move method
4323         defintion from class declaration to here and handle merge sections.
4324         (Output_section::Input_section::shndx): Ditto.
4325         (Output_section::Output_section): Remove initializations of removed
4326         data members and initialize new data member LOOKUP_MAPS_.
4327         (Output_section::add_input_section): Set keeps-input-sections flag
4328         for a newly created merge output section as appropriate.  Adjust code
4329         to use Output_section_lookup_maps class.
4330         (Output_section::add_relaxed_input_section): Adjst code for lookup
4331         maps code refactoring.
4332         (Output_section::add_merge_input_section): Add a new parameter
4333         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4334         class.  If adding input section to a newly created merge output
4335         section fails, remove the new merge section.
4336         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4337         Adjust code for use of the Output_section_lookup_maps class.
4338         (Output_section::find_merge_section): Ditto.
4339         (Output_section::build_lookup_maps): New method defintion.
4340         (Output_section::find_relaxed_input_section): Adjust code to use
4341         Output_section_lookup_maps class.
4342         (Output_section::get_input_sections): Export merge sections.  Adjust
4343         code to use Output_section_lookup_maps class.
4344         (Output_section:::add_script_input_section): Adjust code to use
4345         Output_section_lookup_maps class.  Update lookup maps for merge
4346         sections also.
4347         (Output_section::discard_states): Use Output_section_lookup_maps.
4348         (Output_section::restore_states): Same.
4349         * output.h (Merge_section_properties): Move class defintion out of
4350         Output_section.
4351         (Output_section_lookup_maps): New class.
4352         (Output_section::Input_section::is_merge_section): New method
4353         defintion.
4354         (Output_section::Input_section::relobj): Move defintion out of class
4355         defintion.  Declare method only.
4356         (Output_section::Input_section::shndx): Ditto.
4357         (Output_section::Input_section::output_merge_base): New method defintion.
4358         (Output_section::Input_section::u2_.pomb): New union field.
4359         (Output_section::Merge_section_by_properties_map,
4360         Output_section::Output_section_data_by_input_section_map,
4361         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4362         Remove types.
4363         (Output_section::add_merge_input_section): Add new parameter
4364         KEEPS_INPUT_SECTIONS.
4365         (Output_section::build_lookup_maps): New method declaration.
4366         (Output_section::merge_section_map_,
4367         Output_section::merge_section_by_properties_map_,
4368         Output_section::relaxed_input_section_map_,
4369         Output_section::is_relaxed_input_section_map_valid_): Remove data
4370         members.
4371         (Output_section::lookup_maps_): New data member.
4372
4373 2010-05-21  Doug Kwan  <dougkwan@google.com>
4374
4375         PR gold/11619
4376         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4377         avoid a compilation error.
4378
4379 2010-05-19  Rafael Espindola  <espindola@google.com>
4380
4381         * script-sections.cc (Output_section_definition::allocate_to_segment):
4382         Update the phdrs_list even when the output section is NULL.
4383         * testsuite/Makefile.am: Add test.
4384         * testsuite/Makefile.in: Regenerate.
4385         * testsuite/script_test_9.cc: New.
4386         * testsuite/script_test_9.sh: New.
4387         * testsuite/script_test_9.t: New.
4388
4389 2010-05-19  Doug Kwan  <dougkwan@google.com>
4390
4391         * arm.cc (Arm_input_section::original_size): New method.
4392         (Arm_input_section::do_addralign): Add a cast.
4393         (Arm_input_section::do_output_offset): Remove static cast.
4394         (Arm_input_section::original_addralign,
4395          Arm_input_section::original_size_): Change type to uint32_t.
4396         (Arm_input_section::init): Add safe casts for section alignment
4397         and size.
4398         (Arm_input_section::set_final_data_size): Do not set address and
4399         offset of stub table.
4400         (Arm_output_section::fix_exidx_coverage): Change use of of
4401         Output_section::Simple_input_section to that of
4402         Output_section::Input_section.
4403         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4404         except for the first pass.
4405         * output.cc (Output_section::get_input_sections): Change type of
4406         input_sections to std::list<Input_section>.
4407         (Output_section::add_script_input_section): Rename from
4408         Output_section::add_simple_input_section.  Change type of SIS
4409         parameter from Simple_input_section to Input_section.
4410         * output.h (Output_section::Simple_input_section): Remove class.
4411         (Output_section::Input_section): Change class visibility to public.
4412         (Output_section::Input_section::addralign): Use stored alignments
4413         for special input sections if set.
4414         (Output_section::Input_section::set_addralign): New method.
4415         (Output_section::get_input_sections): Change parameter type from
4416         list of Simple_input_section to list of Input_section.
4417         (Output_section::add_script_input_section): Rename from
4418         Output_section::add_simple_input_section. Change first parameter's
4419         type from Simple_input_section to Input_section and remove the
4420         second and third parameters.
4421         * script-sections.cc (Input_section::Input_section_list): Change
4422         type to list of Output_section::Input_section/
4423         (Input_section_info::Input_section_info): Change parameter type of
4424         INPUT_SECTION to Output_section::Input_section.
4425         (Input_section_info::input_section): Change return type.
4426         (Input_section_info::input_section_): Change type to
4427         Output_section::Input_section.
4428         (Output_section_element_input::set_section_addresses): Adjust code
4429         to use Output_section::Input_section instead of
4430         Output_section::Simple_input_section.  Adjust code for renaming
4431         of Output_section::add_simple_input_section.
4432         (Orphan_output_section::set_section_addresses): Ditto.
4433
4434 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4435
4436         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4437         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4438
4439 2010-05-18  Rafael Espindola  <espindola@google.com>
4440
4441         * options.cc (General_options::finalize): Handle -nostdlib.
4442         * options.h (nostdlib): New option.
4443         * script.cc (script_add_search_dir): Handle -nostdlib.
4444
4445 2010-05-12  Doug Kwan  <dougkwan@google.com>
4446
4447         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4448         attributes section only if there no attributes section after merging.
4449         (Target_arm::merge_object_attributes): Move value of
4450         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4451         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4452         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4453         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4454         and arm_attr_merge_7.stdout.
4455         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4456         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4457         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4458         arm_attr_merge_7b.o): New rules.
4459         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4460         arm_attr_merge_7
4461         * testsuite/Makefile.in: Regenerate.
4462         * testsuite/arm_attr_merge.sh: New file.
4463         * testsuite/arm_attr_merge_[67][ab].s: Same.
4464
4465 2010-05-05  Nick Clifton  <nickc@redhat.com>
4466
4467         * po/es.po: Updated Spanish translation.
4468
4469 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4470
4471         * Makefile.am (install-exec-local): Properly install gold as
4472         default cross linker.
4473         * Makefile.in: Regenerated.
4474
4475 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4476             Nick Clifton  <nickc@redhat.com>
4477
4478         * configure.ac (install_as_default): Define and set to false
4479         unless --enable-gold or --enable-gold=both/gold has been
4480         specified.
4481         * configure: Regenerate.
4482
4483         * Makefile.am (install-exec-local): Install the executable as
4484         'ld.gold'.  If install_as_default is true then also install it as
4485         'ld'.
4486         * Makefile.in: Regenerated.
4487
4488 2010-04-24  Ian Lance Taylor  <iant@google.com>
4489
4490         * layout.cc (Layout::layout_reloc): In relocatable link don't
4491         combine reloc sections for grouped sections.
4492
4493 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4494
4495         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4496         sections that are not ordinary to icf.
4497         * icf.cc (get_section_contents): Handle relocation pointing to section
4498         with no object or shndx information.
4499         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4500         * testsuite/Makefile.in: Regenerate.
4501         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4502         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4503
4504 2010-04-22  Ian Lance Taylor  <iant@google.com>
4505
4506         * expression.cc (Expression::Expression_eval_info): Add
4507         result_alignment_pointer field.
4508         (Expression::eval_with_dot): Add result_alignment_pointer
4509         parameter.  Change all callers.
4510         (Expression::eval_maybe_dot): Likewise.
4511         (class Binary_expression): Add alignment_pointer parameter to
4512         left_value and right_value.  Change all callers.
4513         (BINARY_EXPRESSION): Set result alignment.
4514         (class Trinary_expression): Add alignment_pointer parameter to
4515         arg2_value and arg3_value.  Change all callers.
4516         (Trinary_cond::value): Set result alignment.
4517         (Max_expression::value, Min_expression::value): Likewise.
4518         (Align_expression::value): Likewise.
4519         * script-sections.cc (class Sections_element): Add dot_alignment
4520         parameter to set_section_addresses virtual function.  Update
4521         instantiations.
4522         (class Output_section_element): Likewise.
4523         (Script_sections::create_segments): Add dot_alignment parameter.
4524         Change all callers.
4525         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4526         (Script_sections::set_phdrs_clause_addresses): Likewise.
4527         * script-sections.h: Update declarations.
4528         * script.h: Update declarations.
4529         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4530         min_p_align.
4531         * testsuite/script_test_3.t: Set large alignment.
4532         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4533         segment has expected alignment.
4534
4535 2010-04-22  Nick Clifton  <nickc@redhat.com>
4536
4537         * po/gold.pot: Updated by the Translation project.
4538         * po/vi.po: Updated Vietnamese translation.
4539
4540 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4541
4542         * testsuite/Makefile.am (check_PROGRAMS): Add
4543         icf_virtual_function_folding_test.
4544         * testsuite/Makefile.in: Regenerated.
4545
4546 2010-04-15  Andrew Haley  <aph@redhat.com>
4547
4548         * options.h (merge_exidx_entries): New option.
4549         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4550         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4551         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4552         (Target_arm::merge_exidx_entries): New function.
4553         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4554         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4555         to Arm_exidx_fixup constructor.
4556         Add new arg, merge_exidx_entries.
4557         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4558         Arm_output_section::fix_exidx_coverage.
4559
4560 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4561
4562         * icf.cc (get_section_contents): Check for preemptible functions.
4563         Ignore addend when appropriate.
4564         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4565         section folded.
4566         (add_from_relobj): Check for section folded.
4567         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4568         * symtab.h (should_add_dynsym_entry): Add new parameter.
4569         * target-reloc.h (scan_relocs): Check for section folded.
4570         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4571         Check reloc types for function pointers in shared objects.
4572         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4573         case.
4574         (icf_preemptible_functions_test): New test case.
4575         (icf_string_merge_test): New test case.
4576         * testsuite.Makefile.in: Regenerate.
4577         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4578         bar_glob.  Refactor code.
4579         * testsuite/icf_preemptible_functions_test.cc: New file.
4580         * testsuite/icf_preemptible_functions_test.sh: New file.
4581         * testsuite/icf_string_merge_test.cc: New file.
4582         * testsuite/icf_string_merge_test.sh: New file.
4583         * testsuite/icf_virtual_function_folding_test.cc: New file.
4584         * testsuite/icf_virtual_function_folding_test.sh: New file.
4585
4586 2010-04-14  Doug Kwan  <dougkwan@google.com>
4587
4588         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4589         for local symbol recounting if we remove a section due to ICF.
4590         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4591         there are no regular objects in input.
4592
4593 2010-04-13  Doug Kwan  <dougkwan@google.com>
4594
4595         * arm.cc (Arm_input_section::set_final_data_size): Compute
4596         accurate final data size instead of using current data size.
4597
4598 2010-04-09  Doug Kwan  <dougkwan@google.com>
4599
4600         * layout.cc (Layout::choose_output_section): Handle script section
4601         types.
4602         (Layout::make_output_section_for_script): Add section type parameter.
4603         Handle script section types.
4604         * layout.h (Layout::make_output_section_for_script): Add section
4605         type parameter.
4606         * output.cc (Output_section::Output_section): Initialize data member
4607         is_noload_.
4608         (Output_section::do_reset_address_and_file_offset): Do not set address
4609         to 0 if section is a NOLOAD section.
4610         * output.h (Output_section::is_noload): New method.
4611         (Output_section::set_is_noload): Ditto.
4612         (Output_section::is_noload_): New data member.
4613         * script-c.h (Script_section_type): New enum type.
4614         (struct Parser_output_section_header): Add new file section_type.
4615         * script-sections.cc (Sections_element::output_section_name): Add
4616         parameter for returning script section type.
4617         (Output_section_definition::output_section_name): Ditto.
4618         (Output_section_definition::section_type)P; New method.
4619         (Output_section_definiton::script_section_type_name): Ditto.
4620         (Output_section_definition::script_section_type_): New data member.
4621         (Output_section_definition::Output_section_definition): Initialize
4622         data member Output_section_definition::script_section_type_.
4623         (Output_section_definition::create_sections): Pass script section type
4624         to Layout::make_output_section_for_script.
4625         (Output_section_definition::output_section_name): Return script
4626         section type to caller.
4627         (Output_section_definition::set_section_address): Do not advance
4628         dot value and load address if section type is NOLOAD.  Set address
4629         of NOLOAD sections regardless of section flags.
4630         (Output_section_definition::print): Print section type if it is
4631         not SCRIPT_SECTION_TYPE_NONE.
4632         (Output_section_definition::section_type): New method.
4633         (Output_section_definition::script_section_type_name): Ditto.
4634         (Script_sections::output_section_name): Add new parameter
4635         PSECTION_TYPE for returning script section type.  Pass it to
4636         section elements.  Handle discard sections.
4637         (Sort_output_sections::operator()): Handle NOLOAD sections.
4638         * script-sections.h (Script_sections::Section_type): New enum type.
4639         (Script_sections::output_section_name): Add a new parameter for
4640         returning script section type.
4641         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4642         INFO and NOLOAD.
4643         * yyscript.y (union): Add new field SECTION_TYPE.
4644         (COPY, DSECT, INFO, NOLOAD): New tokens.
4645         (opt_address_and_section_type): Change type to output_section_header.
4646         (section_type): New non-terminal
4647         (section_header): Handle section type.
4648         (opt_address_and_section_type): Return section type value.
4649
4650 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4651
4652         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4653         * testsuite/plugin_common_test_2.c (foo): Likewise.
4654
4655 2010-04-08  Doug Kwan  <dougkwan@google.com>
4656
4657         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4658         Output_merge_data.
4659         * output.cc (Output_section::add_merge_input_section): Simplify
4660         code and return status of Output_merge_base::add_input_section.
4661         Update merge section map only if Output_merge_base::add_input_section
4662         returns true.
4663
4664 2010-04-07  Doug Kwan  <dougkwan@google.com>
4665
4666         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4667         if section is marked as containing instructions but has no mapping
4668         symbols.
4669         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4670         correct section index.
4671         (Arm_relobj::find_linked_text_section): Ditto.
4672
4673 2010-04-07  Cary Coutant  <ccoutant@google.com>
4674
4675         * archive.cc (include_member): Destroy Read_symbols_data object before
4676         releasing file.
4677         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4678         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4679         (Read_symbols_data::~Read_symbols_data) New destructor.
4680         (Section_relocs::Section_relocs) New constructor.
4681         (Section_relocs::~Section_relocs) New destructor.
4682         (Read_relocs_data::Read_relocs_data) New constructor.
4683         (Read_relocs_data::~Read_relocs_data) New destructor.
4684         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4685         pointers to NULL after deleting.
4686
4687 2010-04-07  Doug Kwan  <dougkwan@google.com>
4688
4689         * arm.cc: Replace "endianity" with "endianness" in comments.
4690         (Arm_exidx_cantunwind): Ditto.
4691         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4692         (Arm_relobj::merge_flags_and_attributes): New method.
4693         (Arm_relobj::merge_flags_and_attributes_): New data member.
4694         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4695         (Arm_relobj::scan_sections_for_stubs): Ditto.
4696         (Arm_relobj::do_read_symbols): Check to see if we really want to
4697         merge processor-specific flags and attributes.  Exit early if
4698         an object is empty except for section names and the undefined symbol.
4699         (Target_arm::do_finalize_sections): Move check for ELF format to
4700         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4701         attributes from a regular object only when we have determined that
4702         it is aapropriate.  Do not create an .ARM.attributes section in
4703         output if there is no regular input object.
4704         (Target_arm::merge_processor_specific_flags): Check
4705         --warn-mismatch before printing any error.
4706         (Target_arm::merge_object_attributes): Ditto.
4707         * gold.cc (queue_middle_tasks): Handle the case in which there is
4708         no regular object in input.
4709         * options.cc (General_options::parse_EB): New method.
4710         (General_options::parse_EL): Same.
4711         (General_options::General_options): Initialize endianness_.
4712         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4713         New options.
4714         (General_options::Endianness): New enum.
4715         (General_options::endianness): New method.
4716         (General_options::endianness_): New data member.
4717         * parameters.cc (Parameters::set_options): Check target endianness.
4718         (Parameters::set_target_once): Ditto.
4719         (Parameters::check_target_endianness): New method.
4720         (parameters_force_valid_target): If either -EL or -EB is specified,
4721         use it to define endianness of default target.
4722         * parameters.h (Parameters::check_target_endianness): New method
4723         declaration.
4724         * target.h (class Target): Change "endianity" to "endianness"
4725         in comments.
4726
4727 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4728
4729         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4730         * configure: Regenerate.
4731         * Makefile.in: Regenerate.
4732         * testsuite/Makefile.in: Regenerate.
4733
4734 2010-04-06  Cary Coutant  <ccoutant@google.com>
4735
4736         gcc PR lto/42757
4737         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4738         prevailing definitions of common symbols.
4739         * testsuite/plugin_test_6.sh: New test case.
4740         * testsuite/plugin_common_test_1.c: New test case.
4741         * testsuite/plugin_common_test_2.c: New test case.
4742         * testsuite/Makefile.am (plugin_test_6): New test case.
4743         * testsuite/Makefile.in: Regenerate.
4744
4745 2010-04-06  Nick Clifton  <nickc@redhat.com>
4746
4747         * po/vi.po: New Vietnamese translation.
4748
4749 2010-03-30  Doug Kwan  <dougkwan@google.com>
4750
4751         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4752
4753 2010-03-25  Doug Kwan  <dougkwan@google.com>
4754
4755         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4756         to avoid a conversion warning on a 32-bit host.
4757
4758 2010-03-24  Ian Lance Taylor  <iant@google.com>
4759
4760         * testsuite/script_test_3.t: Add a TLS segment.
4761         * testsuite/Makefile.am (check_PROGRAMS): Add
4762         tls_phdrs_script_test.
4763         (tls_phdrs_script_test_SOURCES): Define.
4764         (tls_phdrs_script_test_DEPENDENCIES): Define.
4765         (tls_phdrs_script_test_LDFLAGS): Define.
4766         (tls_phdrs_script_test_LDADD): Define.
4767         * testsuite/Makefile.in: Rebuild.
4768
4769 2010-03-23  Cary Coutant  <ccoutant@google.com>
4770
4771         * fileread.cc (find_or_make_view): Fix comment.
4772
4773 2010-03-23  Ian Lance Taylor  <iant@google.com>
4774
4775         * script-sections.cc (class Orphan_section_placement): Define
4776         PLACE_TLS and PLACE_TLS_BSS.
4777         (Orphan_section_placement::Orphan_section_placement): Initialize
4778         new places.
4779         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4780         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4781         (tls_script_test_SOURCES): Define.
4782         (tls_script_test_DEPENDENCIES): Define.
4783         (tls_script_test_LDFLAGS): Define.
4784         (tls_script_test_LDADD): Define.
4785         * testsuite/Makefile.in: Rebuild.
4786
4787 2010-03-22  Doug Kwan  <dougkwan@google.com>
4788
4789         * arm.cc (Arm_relocate_functions::abs8,
4790         Arm_relocate_functions::abs16): Use correct check for overflow
4791         specified in the ARM ELF specs.
4792         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4793         target of a BLX instruction specially.
4794         (Reloc_stub::stub_type_for_reloc): Ditto.
4795         (Relocate::relocate): Use symbolic names instead of numeric relocation
4796         codes to report error.
4797         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4798         workaround.
4799         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4800         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4801         thumb2_blx_out_of_range.stdout
4802         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4803         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4804         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4805         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4806         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4807         thumb2_blx_in_range, thumb2_blx_in_range.o,
4808         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4809         thumb2_blx_out_of_range.o): New rules.
4810         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4811         thumb2_blx_in_range and thumb2_blx_out_of_range.
4812         * testsuite/Makefile.in: Regenerate.
4813         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4814         * testsuite/thumb_blx_in_range.s: New file.
4815         * testsuite/thumb_blx_out_of_range.s: New file.
4816
4817 2010-03-22  Rafael Espindola  <espindola@google.com>
4818
4819         * archive.cc (Should_include): Move to archive.h.
4820         (should_include_member): Make it a member of Archive.
4821         (Lib_group): New.
4822         (Add_lib_group_symbols): New.
4823         * archive.h: Include options.h.
4824         (Archive_member): Moved from Archive.
4825         (Should_include): Moved from archive.cc.
4826         (Lib_group): New.
4827         (Add_lib_group_symbols): New.
4828         * dynobj.cc (do_should_include_member): New.
4829         * dynobj.h (do_should_include_member): New.
4830         * gold.cc (queue_initial_tasks): Update call to queue.
4831         * main.cc (main): Print lib group stats.
4832         * object.cc (do_should_include_member): New.
4833         * object.h: Include archive.h.
4834         (Object::should_include_member): New.
4835         (Object::do_should_include_member): New.
4836         (Sized_relobj::do_should_include_member): New.
4837         * options.cc (General_options::parse_start_lib): New.
4838         (General_options::parse_end_lib): New.
4839         (Input_arguments::add_file): Handle lib groups.
4840         (Input_arguments::start_group): Check we are not in a lib.
4841         (Input_arguments::start_lib): New.
4842         (Input_arguments::end_lib): New.
4843         * options.h (General_options): Add start_lib and end_lib.
4844         (Input_argument::lib_): New.
4845         (Input_argument::lib): New.
4846         (Input_argument::is_lib): New.
4847         (Input_file_lib): New.
4848         (Input_arguments::in_lib_): New.
4849         (Input_arguments::in_lib): New.
4850         (Input_arguments::start_lib): New.
4851         (Input_arguments::end_lib_): New.
4852         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4853         in unused members as preempted.
4854         (Sized_pluginobj::do_should_include_member): New.
4855         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4856         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4857         return the blocker.
4858         (Read_symbols::do_whole_lib_group): New.
4859         (Read_symbols::do_lib_group): New.
4860         (Read_symbols::do_read_symbols): Handle lib groups.
4861         (Read_symbols::get_name): Handle lib groups.
4862         * readsyms.h (Read_symbols): Add an archive member pointer.
4863         (Read_symbols::do_whole_lib_group): New.
4864         (Read_symbols::do_lib_group): New.
4865         (Read_symbols::member_): New.
4866         * script.cc (read_input_script): Update call to queue_soon.
4867
4868 2010-03-19  Doug Kwan  <dougkwan@google.com>
4869
4870         * arm.cc (Stub_table::Stub_table): Initialize new data members
4871         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4872         (Stub_table::add_reloc_stub): Assign stub offset and update
4873         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4874         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4875         New data members.
4876         (Stub_table::update_data_size_and_addralign): Use
4877         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4878         instead of going over all reloc stubs.
4879         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4880         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4881         Stringpool_template::offset_ to size of Stringpool_char.
4882         (Stringpool_template::new_key_offset): Remove code to initialize
4883         Stringpool_template::offset_.
4884         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4885         Stringpool_template::offset_ to zero.
4886
4887 2010-03-15  Doug Kwan  <dougkwan@google.com>
4888
4889         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4890         offset_.
4891         (Stringpool_template::new_key_offset): New method.
4892         (Stringpool_template::add_string): Assign offsets when adding new
4893         strings.
4894         (Stringpool_template::set_string_offsets): Do not set string offsets
4895         when not optimizing.
4896         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4897         member size_.
4898         (Chunked_vector::clear): Clear size_.
4899         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4900         (Chunked_vector::size): Return size_.
4901         (Chunked_vector::push_back): Use size_ to find insert position.
4902         (Chunked_vector::size_): New data member.
4903         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4904         (Stringpool_template::new_key_offset): New method declaration.
4905         (Stringpool_template::offset_): New data member.
4906
4907 2010-03-15   Rafael Espindola  <espindola@google.com>
4908
4909         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4910         Add_symbols' constructor.
4911         * readsyms.h (Add_symbols): Remove the input_group member.
4912
4913 2010-03-10  Ian Lance Taylor  <iant@google.com>
4914
4915         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4916         target to ask whether a reference to a symbol requires a stack
4917         split.
4918         * target.h (Target::is_call_to_non_split): New function.
4919         (Target::do_is_call_to_non_split): Declare virtual function.
4920         * target.cc: Include "symtab.h".
4921         (Target::do_is_call_to_non_split): New function.
4922         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4923
4924 2010-03-10  Cary Coutant  <ccoutant@google.com>
4925
4926         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4927         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4928         (File_read::open[2]): Add whole_file_view_ to list of views.
4929         (File_read::make_view): Remove test of whole_file_view_.
4930         (File_read::find_or_make_view): Create whole_file_view_ if
4931         necessary.
4932         (File_read::clear_views): Replace bool parameter with enum;
4933         adjust all callers.  Don't delete views with permanent data;
4934         do delete cached views and views from archives if
4935         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4936         if clearing the corresponding view.
4937         * fileread.h (File_read::Clear_views_mode): New enum.
4938         (File_read::View::is_permanent_view): New method.
4939         (File_read::clear_views): Replace bool parameter
4940         with enum; adjust all callers.
4941         * options.h (General_options): Change keep_files_mapped option;
4942         add map_whole_files.
4943         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4944         releasing the file.
4945         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4946         the file.
4947
4948 2010-03-10  David S. Miller  <davem@davemloft.net>
4949
4950         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4951
4952 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4953
4954         * icf.cc (get_section_contents): Add '@' marker after processing the
4955         merge reloc.
4956
4957 2010-03-08  Doug Kwan  <dougkwan@google.com>
4958
4959         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4960         due to a conversion warning.
4961         (Arm_relobj::update_output_local_symbol_count): Check for local
4962         symbol with unset output index.
4963
4964 2010-03-05  Ian Lance Taylor  <iant@google.com>
4965
4966         * options.h (class General_options): Add --spare-dynamic-tags.
4967         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4968         --spare-dynamic-tags.
4969
4970 2010-03-05  Ian Lance Taylor  <iant@google.com>
4971
4972         * incremental.cc: Include "libiberty.h".
4973
4974 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4975
4976         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4977         function, is_info_ member.
4978         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4979         (Versions::Versions): Update caller.
4980         (Versions::define_base_version): Likewise.
4981         (Versions::add_def): Likewise.
4982
4983 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4984
4985         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4986         (Scan::possible_function_pointer_reloc): New function.
4987         (Scan::local_reloc_may_be_function_pointer): Change to call
4988         possible_function_pointer_reloc.
4989         (Scan::global_reloc_may_be_function_pointer): Ditto.
4990         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4991         relocations in ".data.rel.ro._ZTV" section.
4992         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4993         * testsuite/icf_safe_so_test.cc: Ditto.
4994         * testsuite/icf_safe_test.cc: Ditto.
4995         * testsuite/icf_safe_test.sh: Ditto.
4996
4997 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4998             Ian Lance Taylor  <iant@google.com>
4999
5000         * target-reloc.h (relocate_section): Check the symbol table index
5001         for -1U before setting the local symbol index.
5002         (scan_relocatable_relocs): If copying the relocation, record that
5003         the local symbol is required.
5004         * object.h (Symbol_value::is_output_symtab_index_set): New
5005         function.
5006         (Symbol_value::may_be_discarded_from_output_symtab): New
5007         function.
5008         (Symbol_value::has_output_symtab_entry): New function.
5009         (Symbol_value::needs_output_symtab_entry): Remove.
5010         (Symbol_value::output_symtab_index): Make sure the symbol index is
5011         set.
5012         (Symbol_value::set_output_symtab_index): Make sure the symbol
5013         index is not set.  Make sure the new index is valid.
5014         (Symbol_value::set_must_have_output_symtab_entry): New function.
5015         (Symbol_value::has_output_dynsym_entry): New function.
5016         (Symbol_value::set_output_dynsym_index): Make sure the new index
5017         is valid.
5018         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5019         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5020         local symbol if permitted.
5021         (Sized_relobj::do_finalize_local_symbols): Call
5022         is_output_symtab_index_set rather than needs_output_symtab_entry.
5023         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5024         rather than needs_output_symtab_entry.  Call
5025         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5026         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5027         is_output_symtab_index_set rather than needs_output_symtab_entry.
5028         * testsuite/discard_locals_relocatable_test.c: New file.
5029         * testsuite/discard_locals_test.sh: Test -r.
5030         * testsuite/Makefile.am (check_DATA): Add
5031         discard_locals_relocatable_test1.syms,
5032         discard_local_relocatable_test2.syms.
5033         (MOSTLYCLEANFILES): Likewise.  Also add
5034         discard_locals_relocatable_test1.lout and
5035         discard_locals_relocatable_test2.out.
5036         (discard_locals_relocatable_test1.syms): New target.
5037         (discard_locals_relocatable_test.o): New target.
5038         (discard_locals_relocatable_test1.out): New target.
5039         (discard_locals_relocatable_test2.syms): New target.
5040         (discard_locals_relocatable_test2.out): New target.
5041         (various): Add missing ../ld-new dependencies.
5042         * testsuite/Makefile.in: Rebuild.
5043
5044 2010-03-03  Nick Clifton  <nickc@redhat.com>
5045
5046         * po/fi.po: New Finnish translation.
5047
5048 2010-03-01  Doug Kwan  <dougkwan@google.com>
5049
5050         * layout.cc (Layout::Layout): Force section types of .init_array*,
5051         .preinit_array* and .fini_array* sections.
5052         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5053         Fix check of return value of std::string::find.().
5054         (Output_section::Input_section_sort_compare::operator()): Remove
5055         comment about .init_array.
5056         (Output_section::Input_section_sort_init_fini_compare::operator()):
5057         New method.
5058         (Output_section::sort_attached_input_sections): Handle .init_array
5059         and .fini_array specially.
5060         * output.h (Output_section::Inut_section_sort_compare): Update
5061         comment.
5062         (Output_section::Input_section_sort_init_fini_compare): New struct.
5063
5064 2010-02-26  Doug Kwan  <dougkwan@google.com>
5065
5066         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5067         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5068         * testsuite/debug_msg.sh: Avoid matching source line number for
5069         use of global variable undef_int.
5070
5071 2010-02-26  Doug Kwan  <dougkwan@google.com>
5072
5073         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5074         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5075         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5076         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5077         * options.cc (General_options::General_options): Initialize member
5078         fix_v4bx_.
5079         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5080         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5081         and rm_no_fix_v4bx.stdout
5082         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5083         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5084         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5085         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5086         and arm_no_fix_v4bx.
5087         * Makefile.in: Regenerate.
5088         * testsuite/arm_fix_v4bx.s: New file.
5089         * testsuite/arm_fix_v4bx.sh: Ditto.
5090
5091 2010-02-24  Doug Kwan  <dougkwan@google.com>
5092
5093         * arm.cc (Target_arm::got_section): Make the .got section the first
5094         non RELRO section in the data segment.
5095         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5096         suffixes of section names.
5097
5098 2010-02-24  Doug Kwan  <dougkwan@google.com>
5099
5100         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5101         flags and attributes merging if an input file is a binary file.
5102         * fileread.cc (Input_file::open): Record format of original file.
5103         * fileread.h (Input_file::Format): New enum type.
5104         (Input_file::Input_file): Initialize data member format_.
5105         (Input_file::format): New method definition.
5106         (Input_file::format_):: New data member.
5107
5108 2010-02-24  Doug Kwan  <dougkwan@google.com>
5109
5110         * arm.cc (Arm_output_data_got): New class.
5111         (ARM_TCB_SIZE): New constant
5112         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5113         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5114         If user uses a script with a SECTIONS clause, issue only a warning
5115         for a misplaced EXIDX input section.  Otherwise, issue an error.
5116         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5117         garbage collection.
5118         (Target_arm::got_mode_index_entry): Handle static linking.
5119         (Target_arm::Scan::local): Ditto.
5120         (Target_arm::Scan::global): Ditto.
5121         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5122         all incorrectly implemented relocations.
5123         (Target_arm::fix_exidx_coverage): Pass layout to
5124         Arm_output_section::fix_exidx_coverage.
5125         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5126         from ".ARM.exidx." and ".ARM.extab.".
5127
5128 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5129
5130         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5131         section if it does not already exist.
5132         * attributes.cc (Attributes_section_data::Attributes_section_data):
5133         Don't crash if size is zero.
5134
5135 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5136             Ian Lance Taylor  <iant@google.com>
5137
5138         * gold.cc (queue_middle_tasks): If no input files were opened,
5139         exit.
5140         * workqueue.h (Task_function::Task_function): Assert that there is
5141         a blocker.
5142
5143 2010-02-22  Doug Kwan  <dougkwan@google.com>
5144
5145         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5146         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5147         types to avoid warnings due to different uint64_t implementations
5148         on different hosts.
5149
5150 2010-02-21  Doug Kwan  <dougkwan@google.com>
5151
5152         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5153         handling of the maximum backward branch offset.
5154         (Arm_relocate_functions::thumb_branch_common): Ditto.
5155         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5156         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5157         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5158         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5159         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5160         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5161         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5162         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5163         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5164         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5165         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5166         thumb2_bl_out_of_range.o): New rules.
5167         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5168         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5169         thumb2_bl_out_of_range
5170         * testsuite/Makefile.in: Regenerate.
5171         * testsuite/arm_bl_in_range.s: New file.
5172         * testsuite/arm_bl_out_of_range.s: Ditto.
5173         * testsuite/arm_branch_in_range.sh: Ditto.
5174         * testsuite/arm_branch_range.t: Ditto.
5175         * testsuite/thumb2_branch_range.t: Ditto.
5176         * testsuite/thumb_bl_in_range.s: Ditto.
5177         * testsuite/thumb_bl_out_of_range.s: Ditto.
5178         * testsuite/thumb_branch_range.t: Ditto.
5179
5180 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5181
5182         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5183         Add reloc offset information.
5184         * icf.cc (get_section_contents): Change iterators to point to the new
5185         vectors. Add reloc offset information to the contents.
5186         * icf.h (Icf::Sections_reachable_info): New typedef.
5187         (Icf::Sections_reachable_list): New typedef.
5188         (Icf::Offset_info): New typedef.
5189         (Icf::Reloc_info): New struct typedef.
5190         (Icf::Reloc_info_list): New typedef.
5191         (Icf::symbol_reloc_list): Delete method.
5192         (Icf::addend_reloc_list): Delete method.
5193         (Icf::section_reloc_list): Delete method.
5194         (Icf::reloc_info_list): New method.
5195         (Icf::reloc_info_list_): New member.
5196
5197 2010-02-19  Doug Kwan  <dougkwan@google.com>
5198
5199         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5200         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5201         * arm.cc (Arm_relocation_functions): New forward declaration.
5202         (Target_arm::Target_arm): Initialize new data members
5203         got_mod_index_offset_ and tls_base_symbol_defined_.
5204         (Target_arm::Relocate::relocate_tls): New method.
5205         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5206          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5207         New methods.
5208         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5209         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5210         (Target_arm::got_mod_index_offset_,
5211         Target_arm::tls_base_symbol_defined_): New data members.
5212         (Target_arm::Scan::local, Target::Scan::global,
5213         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5214         relocations.
5215
5216 2010-02-18  Doug Kwan  <dougkwan@google.com>
5217
5218         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5219         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5220         text section as a parameter becuase some broken tools may not set
5221         the link in section header.
5222         (Target_arm::has_got_section): New method.
5223         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5224         without any mapping symbol as data only.  Remove warning.
5225         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5226         link in its section header, try to discover the link by inspecting the
5227         REL31 relocation at the beginning of the section.
5228         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5229         in error message.
5230         (Target_arm::Scan::global): Treat any reference to the symbol
5231         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5232
5233 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5234
5235         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5236         (Scan::global_reloc_may_be_function_pointer): New function.
5237         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5238         (Scan::global_reloc_may_be_function_pointer): New function.
5239         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5240         (Scan::global_reloc_may_be_function_pointer): New function.
5241         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5242         (Scan::global_reloc_may_be_function_pointer): New function.
5243         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5244         (Scan::global_reloc_may_be_function_pointer): New function.
5245         (Scan::possible_function_pointer_reloc): New function.
5246         (Target_x86_64::can_check_for_function_pointers): New function.
5247         * gc.h (gc_process_relocs): Scan relocation types to determine if
5248         function pointers were taken for targets that support it.
5249         * icf.cc (Icf::find_identical_sections): Include functions for
5250         folding in safe ICF whose pointer is not taken.
5251         * icf.h (Secn_fptr_taken_set): New typedef.
5252         (fptr_section_id_): New member.
5253         (section_has_function_pointers): New function.
5254         (set_section_has_function_pointers): New function.
5255         (check_section_for_function_pointers): New function.
5256         * options.h: Fix comment for safe ICF option.
5257         * target.h (can_check_for_function_pointers): New function.
5258         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5259         Modify icf_safe_test for X86-64.
5260         * testsuite/Makefile.in: Regenerate.
5261         * testsuite/icf_safe_so_test.cc: New file.
5262         * testsuite/icf_safe_so_test.sh: New file.
5263         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5264         (main): Change to take pointer to function kept_func_3.
5265         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5266         folding is done correctly for X86-64.
5267
5268 2010-02-12  David S. Miller  <davem@davemloft.net>
5269
5270         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5271         is_symbolless parameter.
5272         (Output_reloc<SHT_REL>::is_symbolless): New.
5273         (Output_reloc<SHT_REL>::is_symbolless_): New.
5274         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5275         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5276         (Output_reloc<SHT_RELA>::is_symbolless): New.
5277         (Output_data_reloc::add_global): Handle is_symbolless.
5278         (Output_data_reloc::add_global_relative): Likewise.
5279         (Output_data_reloc::add_local): Likewise.
5280         (Output_data_reloc::add_local_relative): Likewise.
5281         (Output_data_reloc::add_symbolless_global_addend): New.
5282         (Output_data_reloc::add_symbolless_local_addend): New.
5283         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5284         is_symbolless.
5285         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5286         instead of ->is_relative_
5287         (Output_reloc::write): Likewise.
5288         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5289         (Output_reloc::write_rel): Simplify.
5290
5291         * sparc.cc (Target_sparc::Scan::local): Use
5292         ->add_symbolless_local_addend as needed.
5293         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5294         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5295         based upon relocation offset.
5296
5297 2010-02-11  Doug Kwan  <dougkwan@google.com>
5298
5299         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5300         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5301         beginning of function.
5302         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5303         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5304         parameter is_32bit in calls to should_apply_static_reloc.
5305         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5306         (check_DATA): Add arm_abs_global.stdout.
5307         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5308         arm_abs_global.stdout): New rules.
5309         (MOSTLLYCLEANFILES): Add arm_abs_global
5310         * Makefile.in: Regenerate.
5311         * testsuite/arm_abs_global.s: New file.
5312         * testsuite/arm_abs_global.sh: Ditto.
5313         * testsuite/arm_abs_lib.s: Ditto.
5314
5315 2010-02-11  Ian Lance Taylor  <iant@google.com>
5316
5317         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5318         Read_relocs task.
5319         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5320         Allocate_commons_task first.
5321         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5322         task, rather than symtab_lock_.
5323         (Gc_process_relocs::~Gc_process_relocs): New function.
5324         (Gc_process_relocs::is_runnable): Check this_blocker_.
5325         (Gc_process_relocs::locks): Use next_blocker_ rather than
5326         blocker_.
5327         (Scan_relocs::~Scan_relocs): New function.
5328         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5329         symtab_lock_.
5330         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5331         next_blocker_.
5332         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5333         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5334         constructor accordingly.
5335         (class Gc_process_relocs): Likewise.
5336         (class Scan_relocs): Likewise.
5337         * common.h (class Allocate_commons_task): Remove symtab_lock_
5338         field, and corresponding constructor parameter.
5339         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5340         symtab_lock_.
5341         (Allocate_commons_task::locks): Likewise.
5342
5343 2010-02-11  Ian Lance Taylor  <iant@google.com>
5344
5345         * gold-threads.h (class Once): Define.
5346         (class Initialize_lock): Rewrite as child of Once.
5347         * gold-threads.cc (class Once_initialize): Define.
5348         (once_pointer_control): New static variable.
5349         (once_pointer, once_arg): New static variables.
5350         (c_run_once): New static function.
5351         (Once::Once, Once::run_once, Once::internal_run): New functions.
5352         (class Initialize_lock_once): Remove.
5353         (initialize_lock_control): Remove.
5354         (initialize_lock_pointer): Remove.
5355         (initialize_lock_once): Remove.
5356         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5357         (Initialize_lock::initialize): Rewrite.
5358         (Initialize_lock::do_run_once): New function.
5359         * archive.cc (Archive::interpret_header): Only clear name if it is
5360         not already empty.
5361         * fileread.cc: Include "gold-threads.h"
5362         (file_counts_lock): New static variable.
5363         (file_counts_initialize_lock): Likewise.
5364         (File_read::release): Only increment counts when using --stats.
5365         Use a lock around the increment.
5366         * parameters.cc (class Set_parameters_target_once): Define.
5367         (set_parameters_target_once): New static variable.
5368         (Parameters::Parameters): Move here from parameters.h.
5369         (Parameters::set_target): Rewrite.
5370         (Parameters::set_target_once): New function.
5371         (Parameters::clear_target): Move here and rewrite.
5372         * parameters.h (class Parameters): Update declarations.  Add
5373         set_parameters_target_once_ field.
5374         (Parameters::Parameters): Move to parameters.cc.
5375         (Parameters::clear_target): Likewise.
5376         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5377         task.
5378         (Start_group::~Start_group): New function.
5379         (Start_group::is_runnable): New function.
5380         (Start_group::locks, Start_group::run): New functions.
5381         (Finish_group::run): Change saw_undefined to size_t.
5382         * readsyms.h (class Start_group): Define.
5383         (class Finish_group): Change saw_undefined_ field to size_t.
5384         (Finish_group::Finish_group): Remove saw_undefined and
5385         this_blocker parameters.  Change all callers.
5386         (Finish_group::set_saw_undefined): New function.
5387         (Finish_group::set_blocker): New function.
5388         * symtab.h (class Symbol_table): Change saw_undefined to return
5389         size_t.  Change saw_undefined_ field to size_t.
5390         * target-select.cc (Set_target_once::do_run_once): New function.
5391         (Target_selector::Target_selector): Initialize set_target_once_
5392         field.  Don't initialize lock_ and initialize_lock_ fields.
5393         (Target_selector::instantiate_target): Rewrite.
5394         (Target_selector::set_target): New function.
5395         * target-select.h (class Set_target_once): Define.
5396         (class Target_selector): Update declarations.  Make
5397         Set_target_once a friend.  Remove lock_ and initialize_lock_
5398         fields.  Add set_target_once_ field.
5399
5400 2010-02-10  Ian Lance Taylor  <iant@google.com>
5401
5402         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5403         queueing any tasks.
5404         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5405         (queue_middle_tasks): Add all blockers before queueing any tasks.
5406         (queue_final_tasks): Likewise.
5407         * token.h (Task_token::add_blockers): New function.
5408         * object.h (Input_objects::number_of_relobjs): New function.
5409
5410 2010-02-10  Ian Lance Taylor  <iant@google.com>
5411
5412         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5413         shared, not if not position independent.
5414         * x86_64.cc (Relocate::relocate_tls): Likewise.
5415         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5416         (tls_pie_pic_test): New target.
5417         * testsuite/Makefile.in: Rebuild.
5418
5419         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5420         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5421         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5422         * testsuite/Makefile.in: Rebuild.
5423
5424 2010-02-09  David S. Miller  <davem@davemloft.net>
5425
5426         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5427         R_SPARC_RELATIVE using ->add_local_relative().
5428         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5429
5430         * output.h (Output_data_dynamic::add_section_size): New method
5431         that takes two Output_data objects.
5432         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5433         entry param.  Handle it in initializers.
5434         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5435         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5436         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5437         arg.
5438         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5439         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5440         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5441         for dynrel_includes_plt.
5442         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5443         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5444         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5445         before .rela.plt
5446         (Target_sparc::do_finalize_sections): Update to pass true for
5447         dynrel_includes_plt.
5448         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5449         output before .rela.plt
5450         (Target_powerpc::do_finalize_sections): Update to pass true for
5451         dynrel_includes_plt when 32-bit.
5452
5453 2010-02-08  Doug Kwan  <dougkwan@google.com>
5454
5455         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5456         method.
5457         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5458         Arm_relobj::scan_section_for_cortex_a8_stubs,
5459         Arm_relobj::do_relocation_section): Instead of calling
5460         Output_section::output_address, use faster
5461         Arm_relobj::simple_input_section_output_address.
5462
5463 2010-02-08  David S. Miller  <davem@davemloft.net>
5464
5465         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5466         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5467         relocation helper function.
5468
5469         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5470         just like R_SPARC_GOT{10,13,22}.
5471         (Target_sparc::Scan::local): Likewise.
5472         (Target_sparc::Relocate:relocate): Likewise.
5473
5474 2010-02-06  Ian Lance Taylor  <iant@google.com>
5475
5476         * configure.ac: Rewrite targetobjs duplicate removal code to use
5477         only shell constructs.
5478         * configure: Rebuild.
5479
5480 2010-02-05  Doug Kwan  <dougkwan@google.com>
5481
5482         PR 11247
5483         * arm.cc (Arm_relobj::section_is_scannable): New method.
5484         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5485         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5486
5487 2010-02-04  Doug Kwan  <dougkwan@google.com>
5488
5489         PR 11247
5490         * arm-reloc-property.cc (cstdio): Include.
5491         * configure.ac (targetobjs): Remove duplicates.
5492         * configure: Regenerate.
5493         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5494         big and little endian version for a given address size.
5495
5496 2010-02-03  Doug Kwan  <dougkwan@google.com>
5497
5498         * arm-reloc-property.cc
5499         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5500         definition.
5501         * arm-reloc-property.h
5502         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5503         New method definition.
5504         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5505         declaration.
5506         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5507         overflow to N.
5508         (GOT_PREL): Change implemented to Y.
5509         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5510         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5511         (Arm_relocate_functions::movw_abs_nc): Remove method.
5512         (Arm_relocate_functions::movt_abs): Ditto.
5513         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5514         (Arm_relocate_functions::thm_movt_abs): Ditto.
5515         (Arm_relocate_functions::movw_rel_nc): Ditto.
5516         (Arm_relocate_functions::movw_rel): Ditto.
5517         (Arm_relocate_functions::movt_rel): Ditto.
5518         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5519         (Arm_relocate_functions:thm_movw_rel): Ditto.
5520         (Arm_relocate_functions:thm_movt_rel): Ditto.
5521         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5522         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5523         New method definitions.
5524         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5525         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5526         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5527         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5528         (Target_arm::Relocate::relocate): Check for non-static or
5529         unimplemented relocation code and exit early.  Change calls to
5530         Target_arm::reloc_uses_thumb_bit and
5531         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5532         instead.  Refactor code to handle similar relocations to increase
5533         code sharing.  Remove check for unsupported relocation code in switch
5534         statement.
5535         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5536         relocation property table to find out size.  Change error message to
5537         print out the name of a relocation code instead of the numeric value.
5538         (Target_arm::scan_reloc_for_stub): Use relocation property table
5539         instead of calling Target_arm::reloc_uses_thumb_bit().
5540
5541 2010-02-02  Doug Kwan  <dougkwan@google.com>
5542
5543         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5544         types of relaxed input section.
5545
5546 2010-02-02  Doug Kwan  <dougkwan@google.com>
5547
5548         * Makefile.am (HFILES): Add arm-reloc-property.h.
5549         (DEFFILES): New.
5550         (TARGETSOURCES): Add arm-reloc-property.cc
5551         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5552         (libgold_a_SOURCES): $(DEFFILES)
5553         * Makefile.in: Regenerate.
5554         * arm-reloc-property.cc: New file.
5555         * arm-reloc-property.h: New file.
5556         * arm-reloc.def: New file.
5557         * arm.cc: Update comments.
5558         (arm-reloc-property.h): New included header.
5559         (arm_reloc_property_table): New global variable.
5560         (Target_arm::do_select_as_default_target): New method definition.
5561         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5562         arm-reloc-property to targ_extra_obj.
5563         * parameters.cc (set_parameters_target): Call
5564         Target::select_as_default_target().
5565         * target.h (Target::select_as_default_target): New method definition.
5566         (Target::do_select_as_default_target): Same.
5567
5568 2010-02-01  Doug Kwan  <dougkwan@google.com>
5569
5570         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5571         first_output_text_section_.
5572         (Arm_exidx_fixup::first_output_text_section): New method definition.
5573         (Arm_exidx_fixup::first_output_text_section_): New data member.
5574         (Arm_exidx_fixup::process_exidx_section): Record the first text
5575         output section seen.
5576         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5577         and entsize in output section header.
5578
5579 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5580
5581         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5582         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5583         (Arm_relocate_functions::thm_alu11): New Method.
5584         (Arm_relocate_functions::thm_pc8): New Method.
5585         (Arm_relocate_functions::thm_pc12): New Method.
5586         (Target_arm::Scan::local): Handle the relocations.
5587         (Target_arm::Scan::global): Likewise.
5588         (Target_arm::Relocate::relocate): Likewise.
5589         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5590
5591 2010-01-29  Doug Kwan  <dougkwan@google.com>
5592
5593         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5594         of relocation types as ld.
5595
5596 2010-01-29  Doug Kwan  <dougkwan@google.com>
5597
5598         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5599         to public.
5600         (Arm_relocate_functions::thumb_branch_common): Ditto.
5601         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5602         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5603         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5604         Arm_relocate_functions::jump24): Remove.
5605         (Target_arm::Relocate::relocate): Adjust code to call
5606         Arm_relocation_functions::arm_branch_common and
5607         Arm_relocation_functions::thumb_branch_common instead of their removed
5608         wrappers.  Merge switch-cases together to reduce source code size.
5609
5610 2010-01-29  Doug Kwan  <dougkwan@google.com>
5611
5612         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5613         output_local_symbol_count_needs_update_.
5614         (Arm_relobj::output_local_symbol_count_needs_update,
5615          Arm_relobj::set_output_local_symbol_count_needs_update,
5616          Arm_relobj::update_output_local_symbol_count): New methods.
5617         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5618         member.
5619         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5620         of pointed function as in a R_ARM_PREL31 relocation.
5621         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5622         for output local symbol count updating.
5623         (Target_arm::do_relax): Update output local symbol counts in objects
5624         if necessary.
5625         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5626
5627 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5628
5629         * arm.cc: Added support for the ARM relocations:
5630         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5631         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5632         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5633         movw_prel_nc).
5634         (Arm_relocate_functions::movw_rel): New method.
5635         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5636         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5637         thm_movw_prel_nc).
5638         (Arm_relocate_functions::thm_movw_rel): New method.
5639         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5640         thm_movt_prel).
5641         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5642         relocations.
5643         (Target_arm::Scan::global): Likewise.
5644         (Target_arm::Relocate::relocate): Likewise.
5645         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5646         Likewise.
5647
5648 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5649
5650         * arm.cc: Added support for ARM group relocations.
5651         (Target_arm::reloc_needs_sym_origin): New method.
5652         (Arm_relocate_functions::calc_grp_kn): New method.
5653         (Arm_relocate_functions::calc_grp_residual): New method.
5654         (Arm_relocate_functions::calc_grp_gn): New method.
5655         (Arm_relocate_functions::arm_grp_alu): New Method.
5656         (Arm_relocate_functions::arm_grp_ldr): New Method.
5657         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5658         (Arm_relocate_functions::arm_grp_ldc): New Method.
5659         (Target_arm::Scan::local): Handle the ARM group relocations.
5660         (Target_arm::Scan::global): Likewise.
5661         (Target_arm::Relocate::relocate): Likewise.
5662         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5663         Likewise.
5664
5665 2010-01-26  Doug Kwan  <dougkwan@google.com>
5666
5667         * arm.cc (set): Include.
5668         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5669         pointer type.
5670         (Arm_output_section::Text_section_list): New type.
5671         (Arm_output_section::append_text_sections_to_list): New method.
5672         (Arm_output_section::fix_exidx_coverage): Ditto.
5673         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5674         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5675         Relobj::set_section_offset() instead of
5676         Sized_relobj::invalidate_section_offset().
5677         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5678         parameter for section headers. Ignore relocation sections for
5679         unallocated sections and EXIDX sections.
5680         (Target_arm::fix_exidx_coverage): New method.
5681         (Target_arm::output_section_address_less_than): New type.
5682         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5683         linked text section instead of the EXIDX section.
5684         (Arm_output_section::create_stub_group): Add an assertion to check
5685         that this is not an EXIDX output section.
5686         (Arm_output_section::append_text_sections_to_list): New method.
5687         (Arm_output_section::fix_exidx_coverage): Ditto.
5688         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5689         Arm_relobj::section_needs_reloc_stub_scanning.
5690         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5691         first pass.
5692         (Target_arm::fix_exidx_coverage): New method.
5693         * object.h (Relobj::set_output_section): New method.
5694         (Sized_relobj::invalidate_section_offset): Remove method.
5695         (Sized_relobj::do_invalidate_section_offset): Remove method.
5696         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5697
5698 2010-01-25  Doug Kwan  <dougkwan@google.com>
5699
5700         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5701         Fix warning due to signed and unsigned comparison on a 32-bit host.
5702
5703 2010-01-22  Doug Kwan  <dougkwan@google.com>
5704
5705         * arm.cc (Target_arm::do_relax): Record an output section for section
5706         offset adjustment it contains any stub table that has changed.
5707         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5708         offsets in an output section if necessary.
5709         * output.cc (Output_section::Output_section): Initialize
5710         section_offsets_need_adjustments_.
5711         (Output_section::add_input_section_for_script): Renamed to
5712         Output_section::add_simple_input_section.
5713         (Output_section::save_states): Add a comment.
5714         (Output_section::discard_states): New method defintion.
5715         (Output_section::adjust_section_offsets): Same.
5716         * output.h (Output_section::add_input_section_for_script): Renamed to
5717         Output_section::add_simple_input_section.
5718         (Output_section::discard_states): New method declaration.
5719         (Output_section::adjust_section_offsets): Same.
5720         (Output_section::section_offsets_need_adjustment,
5721         Output_section::set_section_offsets_need_adjustment): New method
5722         definitions.
5723         (Output_section::section_offsets_need_adjustment_): New data member.
5724         * script-sections.cc
5725         (Output_section_element_input::set_section_address): Adjust code for
5726         renaming of Output_section::add_input_section_for_script.
5727         (Orphan_output_section::set_section_address): Same.
5728
5729 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5730
5731         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5732         Fix_v4bx enum values .
5733         * gold/options.h (General_options): New option definitions.
5734         (General_options::fix_v4bx): New method.
5735         (General_options::Fix_v4bx): New enum.
5736         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5737         (General_options::parse_fix_v4bx_interworking): New method.
5738
5739 2010-01-22  Doug Kwan  <dougkwan@google.com>
5740
5741         * arm.cc (Arm_exidx_fixup): New class.
5742
5743 2010-01-21  Doug Kwan  <dougkwan@google.com>
5744
5745         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5746         classes.
5747         (Arm_exidx_section_offset_map): New type.
5748
5749 2010-01-21  Doug Kwan  <dougkwan@google.com>
5750
5751         * arm.cc (Arm_exidx_input_section): New class.
5752         (Arm_relobj::exidx_input_section_by_link,
5753         Arm_relobj::exidx_input_section_by_shndx,
5754         Arm_relobj::make_exidx_input_section): New methods.
5755         (read_arm_attributes_section): Remove.
5756         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5757         information about them.
5758         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5759         to here.
5760
5761 2010-01-20  Doug Kwan  <dougkwan@google.com>
5762
5763         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5764         Input_section_specifier to Section_id.
5765         (Target_arm::new_arm_input_section: Adjust code for change of key
5766         type.
5767         (Target_arm::find_arm_input_section): Ditto.
5768         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5769         (Section_id): Remove.
5770         (Garbage_collection::Section_id_hash): Remove.
5771         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5772         (Section_id): Remove.
5773         (Icf::Section_id_hash): Remove.
5774         * object.h (Section_id, Const_section_id, Section_id_hash,
5775         Const_section_id_hash): New type definitions.
5776         * output.cc (Output_section::add_relaxed_input_section): Change to
5777         use Const_section_id instead of Input_section_specifier as key type.
5778         (Output_section::add_merge_input_section): Ditto.
5779         (Output_section::build_relaxation_map): Change to use Section_id
5780         instead of Input_section_specifier as key type.
5781         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5782         Ditto.
5783         (Output_section::convert_input_sections_to_relaxed_sections): Change
5784         to use Const_section_id instead of Input_section_specifier as key type.
5785         (Output_section::find_merge_section): Ditto.
5786         (Output_section::find_relaxed_input_section): Ditto.
5787         * output.h (Input_section_specifier): Remove class.
5788         (Output_section::Output_section_data_by_input_section_map): Change
5789         key type to Const_section_id.
5790         (Output_section::Output_relaxed_input_section_by_input_section_map):
5791         Ditto.
5792         (Output_section::Relaxation_map): Change key type to Section_id.
5793
5794 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5795
5796         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5797         (class Arm_v4bx_stub): New class.
5798         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5799         (Stub_factory::make_arm_v4bx_stub): New method.
5800         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5801         (Stub_table::empty): Handle v4bx stubs.
5802         (Stub_table::add_arm_v4bx_stub): New method.
5803         (Stub_table::find_arm_v4bx_stub): New method.
5804         (Arm_relocate_functions::v4bx): New method.
5805         (Target_arm::fix_v4bx): New method.
5806         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5807         (Stub_table::relocate_stubs): Likewise.
5808         (Stub_table::do_write): Likewise.
5809         (Stub_table::update_data_size_and_addralign): Likewise.
5810         (Stub_table::finalize_stubs):  Likewise.
5811         (Target_arm::Scan::local): Likewise.
5812         (Target_arm::Scan::global): Likewise.
5813         (Target_arm::do_finalize_sections): Likewise.
5814         (Target_arm::Relocate::relocate): Likewise.
5815         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5816         Likewise.
5817         (Target_arm::scan_reloc_for_stub): Likewise.
5818         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5819
5820 2010-01-19  Ian Lance Taylor  <iant@google.com>
5821
5822         * output.cc (Output_section_headers::do_sized_write): Write large
5823         segment count to sh_info field.
5824         (Output_file_header::do_sized_write): For large segment count,
5825         write PN_XNUM to e_phnum field.
5826
5827 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5828
5829         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5830         (Arm_relocate_functions::thm_jump8): New function.
5831         (Arm_relocate_functions::thm_jump11): New function.
5832         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5833         R_ARM_THM_JUMP11.
5834         (Target_arm::Scan::global): Likewise.
5835         (Target_arm::Relocate::relocate): Likewise.
5836         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5837         Likewise.
5838
5839 2010-01-14  Doug Kwan  <dougkwan@google.com>
5840
5841         * arm.cc (map, utility): Include headers.
5842         (Target_arm::apply_cortex_a8_workaround): New method.
5843         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5844         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5845         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5846         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5847         the --[no-]fix-cortex-a8 command line options.
5848         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5849         (Target_arm::relocate_stub): Use addend in instruction template.
5850         * options.h (DEFINE_bool): Set the user-set flag.
5851         (General_options): Add --[no-]-fix-cortex options.
5852         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5853         : Update fast look-up map after conversion.
5854
5855 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5856
5857         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5858         in the first pass of do_layout.
5859
5860 2010-01-13  Doug Kwan  <dougkwan@google.com>
5861
5862         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5863         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5864         apparent compiler problem of not folding static constant integral
5865         data members of elfcpp::Elf_sizes<32>.
5866
5867 2010-01-13  Doug Kwan  <dougkwan@google.com>
5868
5869         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5870         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5871         Arm_relobj::scan_section_for_cortex_a8_erratum,
5872         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5873         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5874         sections to scan for relocation stubs into a new method
5875         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5876         relocation and Cortex-A8 stub scanning.
5877         (Target_arm::do_relax): Force stubs to be after stubbed sections
5878         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5879         the beginning of a new relaxation pass.  Update a comment.
5880         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5881
5882 2010-01-12  Ian Lance Taylor  <iant@google.com>
5883
5884         * target-reloc.h (visibility_error): New inline function.
5885         (relocate_section): Call visibility_error.
5886         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5887         (MOSTLYCLEANFILES): Likewise.
5888         (protected_4_pic.o, protected_3.err): New targets.
5889         * testsuite/protected_4.cc: New file.
5890
5891 2010-01-12  Doug Kwan  <dougkwan@google.com>
5892
5893         * arm.cc (Cortex_a8_reloc): New class.
5894         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5895         and cortex_a8_relocs_info_.
5896         (Target_arm::fix_cortex_a8): New method definition.
5897         (Target_arm::Cortex_a8_relocs_info): New type.
5898         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5899         New data member declarations.
5900         (Target_arm::scan_reloc_for_stub): Record information about
5901         relocations for THUMB branches that might be exempted from the
5902         Cortex-A8 workaround.
5903         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5904         at the beginning of a relaxation pass.
5905
5906 2010-01-12  Doug Kwan  <dougkwan@google.com>
5907
5908         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5909         (Arm_relobj::Mapping_symbol_position,
5910          Arm_reloj::Mapping_symbol_position_less,
5911          Arm_relobj::Mapping_symbols_info): New types.
5912         (Target_arm::is_mapping_symbol_name): New method definition.
5913         (Arm_relobj::do_count_local_symbols): Save information about mapping
5914         symbols.
5915
5916 2010-01-11  Doug Kwan  <dougkwan@google.com>
5917
5918         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5919         Arm_relocate_functions::thumb32_branch_upper,
5920         Arm_relocate_functions::thumb32_branch_lower,
5921         Arm_relocate_functions::thumb32_cond_branch_offset,
5922         Arm_relocate_functions::thumb32_cond_branch_upper,
5923         Arm_relocate_functions::thumb32_cond_branch_lower,
5924         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5925         branch offset encoding.
5926         (Arm_relocate_functions::thumb_branch_common): Use new branch
5927         offset encoding methods to avoid code duplication.
5928         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5929         (Stub_addend_reader::operator()): Use new branch encoding method
5930         to avoid code duplication.
5931
5932 2010-01-11  Doug Kwan  <dougkwan@google.com>
5933
5934         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5935         (Target_arm::do_finalize_sections): Define special EXIDX section
5936         symbols only if referenced.
5937         * gc.h (Garbage_collection::add_reference): New method.
5938         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5939         code duplication.
5940
5941 2010-01-11  Ian Lance Taylor  <iant@google.com>
5942
5943         * script.cc (Version_script_info::build_expression_list_lookup):
5944         Change complaing about duplicate wildcard match from error to
5945         warning.
5946
5947         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5948         of 2009-12-30.
5949         (Version_script_info::Version_script_info): Initialize globs_,
5950         default_version_, default_is_global_, and exact_.  Don't
5951         initialize globals_ or locals_.
5952         (Version_script_info::build_lookup_tables): Build local symbols
5953         first.
5954         (Version_script_info::unquote): New function.
5955         (Version_script_info::add_exact_match): New function.
5956         (Version_script_info::build_expression_list_lookup): Remove lookup
5957         parameter.  Add is_global parameter.  Change all callers.  Handle
5958         wildcard pattern specially.  Unquote pattern.  Call
5959         add_exact_match.
5960         (Version_script_info::get_name_to_match): New function.
5961         (Version_script_info::get_symbol_version): New function.
5962         (Version_script_info::get_symbol_version_helper): Remove.
5963         (Version_script_info::check_unmatched_names): Call unquote.
5964         * script.h (class Version_script_info): Change get_symbol_version
5965         to be non-inline and add is_global parameter; change all callers.
5966         Rewrite symbol_is_local.  Update declarations.  Define struct
5967         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5968         Remove globals_ and locals_ members.  Add exact_, globs_,
5969         default_version_, is_global_.
5970         (Version_script_info::Glob): Remove pattern, add expression and
5971         is_global.  Update constructor.  Change all callers.
5972         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5973         default version.
5974         (Versions::symbol_section_contents): If a symbol is undefined, or
5975         defined in a dynamic object, set the version index to
5976         VER_NDX_LOCAL.
5977         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5978         symbol_is_local.
5979         (Symbol_table::add_from_pluginobj): Likewise.
5980         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5981
5982 2010-01-11  Doug Kwan  <dougkwan@google.com>
5983
5984         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5985         (incremental_dump_LDADD): Add linking option for libintl.
5986         * Makefile.in: Regenerate.
5987
5988 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5989
5990         PR gold/11144
5991         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5992         instead of -Ds.
5993         * testsuite/Makefile.in: Regenerated.
5994
5995 2010-01-10  Doug Kwan  <dougkwan@google.com>
5996
5997         * options.h (DEFINE_var): Use parentheses around argument varname__
5998         in macro body to avoid any unintended subsequent substitutions.
5999
6000 2010-01-10  Ian Lance Taylor  <iant@google.com>
6001
6002         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6003         candidates before doing symbol resolution.
6004
6005         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6006         ODR candidates if only one is weak.
6007
6008 2010-01-08  Ian Lance Taylor  <iant@google.com>
6009
6010         * script.cc (Version_script_info::build_expression_list_lookup):
6011         Don't warn about ambiguous version, just record the ambiguity.
6012         (Version_script_info::get_symbol_version_helper): Give error if
6013         version is ambiguous.
6014
6015 2010-01-08  Doug Kwan  <dougkwan@google.com>
6016
6017         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6018           prev_data_size_ and prev_addralign_.  Remove initializer for
6019           deleted data member has_been_changed_.
6020           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6021           to determine if the table is empty.
6022           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6023           Remove.
6024           (Stub_table::add_reloc_stub): Define method in class definition
6025           instead of just declaring it there.
6026           (Stub_table::add_cortex_a8_stub): New method definition.
6027           (Stub_table::update_data_size_and_addralign): Ditto.
6028           (Stub_table::finalize_stubs): Ditto.
6029           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6030           (Stub_table::do_addralign_): Return address alignment in the
6031           (Stub_table::do_reset_address_and_file_offset): Define method in
6032           class definition instead of declaring it there.  Set current data
6033           size to be the data size of the previous pass.
6034           (Stub_table::set_final_data_size): Use current data size as the
6035           final data size.
6036           (Stub_table::relocate_stub): Change parameter type of stub from
6037           Reloc_stub pointer to Stub pointer.
6038           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6039           (Stub_table::Cortex_a8_stub_list): New typedef.
6040           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6041            Stub_table::prev_addralign_): New data member.
6042           (Arm_relobj::Arm_relobj): Initialize data member
6043           section_has_cortex_a8_workaround_.
6044           (Arm_relobj::section_has_cortex_a8_workaround,
6045            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6046            definitions.
6047           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6048           declarations.
6049           (Target_arm::relocate_stub): Change parameter type of stub from
6050           Reloc_stub pointer to Stub pointer.
6051           (Insn_template::size, Insn_template::alignment): Handle
6052           THUMB16_SPECIAL_TYPE.
6053           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6054            Stub_table::update_data_size_and_addralign,
6055            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6056           definitions.
6057           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6058           (Stub_table::do_write): Ditto.
6059           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6060
6061 2010-01-08  Ian Lance Taylor  <iant@google.com>
6062
6063         PR 11108
6064         * symtab.h (class Symbol): Remove fields is_target_special_ and
6065         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6066         (Symbol::is_defined_in_discarded_section): New function.
6067         (Symbol::set_is_defined_in_discarded_section): New function.
6068         (Symbol::has_plt_offset): Rewrite.
6069         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6070         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6071         Don't initialize is_target_special_ or has_plt_offset_.
6072         Initialize is_defined_in_discarded_section_.
6073         (Symbol_table::add_from_relobj): If appropriate, set
6074         is_defined_in_discarded_section.
6075         * resolve.cc (Symbol::override_base_with_special): Don't test
6076         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6077         * target-reloc.h (relocate_section): Do special handling for
6078         symbols defined in discarded sections for global symbols as well
6079         as local symbols.
6080
6081 2010-01-08  Ian Lance Taylor  <iant@google.com>
6082
6083         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6084         the SHT_SYMTAB case.
6085
6086 2010-01-08  Ian Lance Taylor  <iant@google.com>
6087
6088         * object.cc (Sized_relobj::do_layout): Don't get confused if
6089         layout_eh_frame returns NULL.
6090
6091 2010-01-08  Ian Lance Taylor  <iant@google.com>
6092
6093         PR 11084
6094         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6095         dynamic symbol table, use the normal symbol table.
6096         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6097         symbol table.
6098
6099 2010-01-08  Ian Lance Taylor  <iant@google.com>
6100
6101         PR 11072
6102         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6103         sections.
6104
6105 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6106
6107         * version.cc (print_version): Change to "Copyright 2010".
6108
6109 2010-01-08  Ian Lance Taylor  <iant@google.com>
6110
6111         PR 10287
6112         PR 11063
6113         * i386.cc (class Target_i386): Change return type of plt_section
6114         to be non-const.
6115         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6116         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6117         tls_desc_rel_ field.
6118         (Output_data_plt_i386::rel_tls_desc): New function.
6119         (Target_i386::rel_tls_desc_section): New function.
6120         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6121         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6122         R_386_TLS_DESC reloc in rel_tls_desc_section.
6123         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6124         Define struct Tlsdesc_info.
6125         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6126         (Target_x86_64::do_reloc_symbol_index): New function.
6127         (Target_x86_64::add_tlsdesc_info): New function.
6128         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6129         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6130         tlsdesc_rel_ field.
6131         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6132         all callers.
6133         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6134         (Target_x86_64::rela_tlsdesc_section): New function.
6135         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6136         handling.
6137         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6138         (Target_x86_64::do_reloc_addend): New function.
6139         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6140         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6141         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6142         (Output_reloc::type): New function.
6143         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6144         (Output_reloc::is_target_specific): New function.
6145         (Output_reloc::target_arg): New function.
6146         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6147         absolute relocs and target specific relocs.
6148         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6149         add_target_specific.
6150         (class Output_data_reloc) [SHT_RELA]: Likewise.
6151         * output.cc (Output_reloc::Output_reloc): Add four new versions
6152         for absolute relocs and target specific relocs.
6153         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6154         (Output_reloc::get_symbol_index): Likewise.
6155         (Output_reloc::local_section_offset): Check that local_sym_index_
6156         is not TARGET_CODE or 0.
6157         (Output_reloc::symbol_value): Likewise.
6158         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6159         reloc.
6160         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6161         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6162         functions.
6163         * layout.cc (add_target_dynamic_tags): Use output section for
6164         DT_PLTRELSZ and DT_JMPREL.
6165
6166 2010-01-07  Ian Lance Taylor  <iant@google.com>
6167
6168         PR 11061
6169         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6170         function.
6171         (class Output_data_reloc_generic): Define.
6172         (class Output_data_reloc_base): Change base class to
6173         Output_data_reloc_generic.  Change add() method to call
6174         bump_relative_reloc_count for a relative reloc.  Remove
6175         sort_relocs_ field.
6176         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6177         to sort_relocs().
6178         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6179         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6180         appropriate.
6181         * layout.h (class Layout): Update declaration.
6182
6183 2010-01-07  Ian Lance Taylor  <iant@google.com>
6184
6185         * output.h (class Output_data): Add const version of
6186         output_section and do_output_section.
6187         (class Output_section_data): Add const version of
6188         do_output_section.
6189         (class Output_section): Likewise.
6190         * layout.cc (Layout::add_target_dynamic_tags): New function.
6191         * layout.h (class Layout): Update declarations.
6192         * arm.cc (Target_arm::do_finalize_sections): Use
6193         add_target_dynamic_tags.
6194         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6195         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6196         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6197         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6198
6199 2010-01-07  Ian Lance Taylor  <iant@google.com>
6200
6201         PR 11042
6202         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6203         object as needed.
6204
6205 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6206             Ian Lance Taylor  <iant@google.com>
6207
6208         PR 11019
6209         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6210         Xindex::read_symtab_xindex.
6211
6212 2010-01-07  Doug Kwan  <dougkwan@google.com>
6213
6214         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6215         (Insn_template::thumb16_bcond_insn): New method declaration.
6216         (Insn_template): Fix spelling.
6217         (Stub::thumb16_special): New method declaration.
6218         (Stub::do_write): Define virtual method which was previously pure
6219         virtual.
6220         (Stub::do_thumb16_special): New method declaration.
6221         (Stub::do_fixed_endian_write): New template member.
6222         (Reloc_stub::do_write): Remove.
6223         (Reloc_stub::do_fixed_endian_write): Remove.
6224         (Cortex_a8_stub): New class definition.
6225         (Stub_factory::make_cortex_a8_stub): New method definition.
6226         (Stub_factory::Stub_factory): Add missing static storage class
6227         qualifier for elf32_arm_stub_a8_veneer_blx.
6228
6229 2010-01-07  Ian Lance Taylor  <iant@google.com>
6230
6231         PR 10980
6232         * options.h (class General_options): Add --warn-unresolved-symbols
6233         and --error-unresolved-symbols.
6234         * errors.cc (Errors::undefined_symbol): Implement
6235         --warn-unresolved-symbols.
6236
6237         * options.h (class General_options): Add -z text and -z textoff.
6238         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6239
6240 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6241
6242         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6243         (Garbage_collection::cident_sections): New function.
6244         (Garbage_collection::add_cident_section): New function.
6245         (Garbage_collection::cident_sections_): New member.
6246         (gc_process_relocs): Add references to sections whose names are C
6247         identifiers.
6248         * gold.h (cident_section_start_prefix): New constant.
6249         (cident_section_stop_prefix): New constant.
6250         (is_cident): New function.
6251         * layout.cc (Layout::define_section_symbols): Replace string constants
6252         with the newly defined constants.
6253         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6254         C identifiers.
6255         * testsuite/Makefile.am: Add gc_orphan_section_test.
6256         * testsuite/Makefile.in: Regenerate.
6257         * testsuite/gc_orphan_section_test.cc: New file.
6258         * testsuite/gc_orphan_section_test.sh: New file.
6259
6260 2010-01-06  Ian Lance Taylor  <iant@google.com>
6261
6262         PR 10980
6263         * options.h (class General_options): Add --warn-shared-textrel.
6264         * layout.cc (Layout::finish_dynamic_section): Implement
6265         --warn-shared-textrel.
6266
6267         PR 10980
6268         * options.h (class General_options): Add --warn-multiple-gp.
6269
6270 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6271
6272         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6273         $(THREADSLIB) and $(LIBDL).
6274         * Makefile.in: Rebuild.
6275
6276 2010-01-06  Ian Lance Taylor  <iant@google.com>
6277
6278         PR 10980
6279         * options.cc (General_options::parse_section_start): New function.
6280         (General_options::section_start): New function.
6281         (General_options::General_options): Initialize all members.
6282         * options.h: Include <map>
6283         (class General_options): Add --section-start.  Add section_starts_
6284         member.
6285         * layout.cc (Layout::attach_allocated_section_to_segment): If
6286         --section-start was used, set the address of the segment.  Remove
6287         local sort_sections.
6288         (Layout::relaxation_loop_body): If the address of the load segment
6289         has been set by --section-start, don't use it.
6290         * output.h (Output_segment::update_flags_for_output_section): New
6291         function.
6292         * output.cc (Output_segment::add_output_section): Call
6293         update_flags_for_output_section.
6294
6295 2010-01-05  Ian Lance Taylor  <iant@google.com>
6296
6297         PR 10980
6298         * options.h (class General_options): Add --undefined-version.
6299         * script.cc (struct Version_expression): Add was_matched_by_symbol
6300         field.
6301         (Version_script_info::matched_symbol): New function.
6302         (Version_script_info::get_symbol_version_helper): Call
6303         matched_symbol.
6304         (Version_script_info::check_unmatched_names): New function.
6305         * script.h (class Version_script_info): Update declarations.
6306         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6307
6308         * options.h (class General_options): Use DEFINE_bool_alias for
6309         allow_multiple_definition.
6310         * resolve.cc (Symbol_table::should_override): Don't test
6311         allow_multiple_definition.
6312
6313         PR 10980
6314         * options.h (class General_options): Add --cref.
6315         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6316         until after printing cref table.
6317         * cref.cc: Include "symtab.h".
6318         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6319         (Cref_table_compare::operator()): New function.
6320         (Cref_inputs::gather_cref): New function.
6321         (filecol): New static const.
6322         (Cref_inputs::print_cref): New function.
6323         (Cref::print_cref): New function.
6324         * cref.h: Include <cstdio>.
6325         (class Cref): Update declarations.
6326         * mapfile.h (Mapfile::file): New function.
6327         * object.h (class Object): Define Symbols.  Declare virtual
6328         do_get_global_symbols.
6329         (Object::get_global_symbols): New function.
6330         * object.cc (Input_objects::add_object): Pass object to cref_ if
6331         --cref.
6332         (Input_objects::archive_start): Likewise.
6333         (Input_objects::archive_stop): Likewise.
6334         (Input_objects::print_cref): New function.
6335         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6336         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6337         --cref.
6338         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6339         function.
6340         * plugin.h (class Sized_pluginobj): Update declarations.
6341
6342 2010-01-05  Ian Lance Taylor  <iant@google.com>
6343
6344         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6345         to is_default_version.  Rename insdef to insdefault.
6346         (Symbol_table::add_from_relobj): Rename def to is_default_version
6347         and local to is_forced_local.
6348         (Symbol_table::add_from_pluginobj): Likewise.
6349         (Symbol_table::add_from_dynobj): Likewise.
6350         (Symbol_table::define_special_symbol): Rename insdef to
6351         insdefault.
6352
6353 2010-01-04  Ian Lance Taylor  <iant@google.com>
6354
6355         PR 10980
6356         * options.h (class General_options): Add
6357         --allow-multiple-definition and -z muldefs.
6358         * resolve.cc (Symbol_table::should_override): Don't warn about a
6359         multiple symbol definition if --allow-multiple-definition or -z
6360         muldefs.
6361
6362         PR 10980
6363         * options.h (class General_options): Add --add-needed and
6364         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6365         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6366         error if --copy-dt-needed-entries aka --add-needed is used and
6367         would cause a change in behaviour.
6368
6369         PR 10980
6370         * options.h (class General_options): Add -G as a short version of
6371         --shared.  Add no-op options -assert, -g, and -i.
6372
6373 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6374
6375         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6376         check for .text or .gnu.linkonce.t sections.
6377         * icf.cc (Icf::find_identical_sections): Ditto.
6378         Change the detection for mangled function name within the section
6379         name.
6380         * icf.h (is_section_foldable_candidate): New function.
6381
6382 2009-12-30  Ian Lance Taylor  <iant@google.com>
6383
6384         PR 10980
6385         * options.h (class General_options): Permit two dashes with
6386         --retain-symbols-file.
6387
6388 2009-12-30  Ian Lance Taylor  <iant@google.com>
6389
6390         PR 10979
6391         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6392         don't put the file header and segment headers in the text
6393         segment.
6394
6395         PR 10979
6396         * common.cc (Sort_commons::operator()): Stabilize sort when both
6397         entries are NULL.
6398         (Symbol_table::do_allocate_commons_list): When allocating common
6399         symbols, skip a symbol which is no longer common.
6400         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6401         an object before checking its type.
6402         * testsuite/common_test_2.c: New file.
6403         * testsuite/common_test_3.c: New file.
6404         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6405         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6406         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6407         (common_test_2_pic.o, common_test_2.so): New targets.
6408         (common_test_3_pic.o, common_test_3.so): New targets.
6409         * testsuite/Makefile.in: Rebuild.
6410
6411         PR 10979
6412         * script.cc (read_input_script): If we see a new SECTIONS clause,
6413         and we have added an input section, give an error.
6414         * layout.h (class Layout): Add have_added_input_section function.
6415         Add have_added_input_section_ field.
6416         * layout.cc (Layout::Layout): Initialize
6417         have_added_input_section_.
6418         (Layout::layout): Set have_added_input_section_.
6419         (Layout::layout_eh_frame): Likewise.
6420
6421 2009-12-30  Ian Lance Taylor  <iant@google.com>
6422
6423         PR 10931
6424         * options.h (class General_options): Add --sort-common option.
6425         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6426         * common.cc (Sort_common): Add sort_order parameter to
6427         constructor.  Add sort_order_ field.
6428         (Sort_commons::operator): Check sort_order_.
6429         (Symbol_table::allocate_commons): Determine the sort order.
6430         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6431         Change all callers.
6432         (Symbol_table::do_allocate_commons_list): Likewise.
6433
6434 2009-12-30  Ian Lance Taylor  <iant@google.com>
6435
6436         PR 10916
6437         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6438         symbols from this object, don't change the visibility of an
6439         undefined symbol.
6440         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6441
6442 2009-12-30  Ian Lance Taylor  <iant@google.com>
6443
6444         PR 10861
6445         * script.h (class Version_script_info): Define Language enum.
6446         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6447         new fields globals_, locals_, and is_finalized_.
6448         * script.cc: Various formatting fixes.
6449         (class Parser_closure): Change language_stack_ from a vector of
6450         std::string to one of Version_script_info::Language.  Adjust all
6451         uses accordingly.
6452         (class Lazy_demangler): Remove.
6453         (struct Version_expression): Change language from std::string to
6454         Version_script_info::Language.
6455         (Version_script_info::Version_script_info): New function.
6456         (Version_script_info::~Version_script_info): Don't call clear.
6457         (Version_script_info::finalize): New function.
6458         (Version_script_info::build_lookup_tables): New function.
6459         (Version_script_info::build_expression_list_lookup): New
6460         function.
6461         (Version_script_info::get_symbol_version_helper): Rewrite to use
6462         lookup tables.
6463         (Version_script_info::print_expression_list): Adjust to use
6464         Version_script_info::Language.
6465         (script_push_lex_into_version_mode): Check that the version script
6466         has not been finalized.
6467         (version_script_push_lang): Change language string to
6468         Version_script_info::Language.
6469         * options.cc (Command_line::version_script): New function.
6470         * options.h (class General_options): Add finalize_dynamic_list
6471         function.  Change version_script from declaration to definition.
6472         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6473         * testsuite/version_script.map: Remove duplicate def of foo.
6474         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6475         version_script.map.
6476         * testsuite/Makefile.in: Rebuild.
6477
6478 2009-12-30  Ian Lance Taylor  <iant@google.com>
6479
6480         PR 10843
6481         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6482         if the input symbol index is 0, make the output symbol index 0.
6483
6484 2009-12-30  Ian Lance Taylor  <iant@google.com>
6485
6486         PR 10670
6487         * options.h (class General_options): Add -x/--discard-all.
6488         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6489         --discard-all.  If the local symbol needs a dynamic entry, check
6490         that before handling --discard-locals.
6491
6492 2009-12-30  Ian Lance Taylor  <iant@google.com>
6493
6494         PR 10450
6495         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6496         flags to PF_R.
6497         (Output_segment::add_output_section): Don't change the flags if
6498         the type is PT_TLS.
6499
6500         PR 10450
6501         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6502         GNU hash table if they need a dynamic value.  Otherwise, don't add
6503         them if they are defined in a dynamic object or are forced local.
6504
6505 2009-12-29  Ian Lance Taylor  <iant@google.com>
6506
6507         PR 10450
6508         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6509         .gnu.hash table for a 32-bit target.
6510
6511         PR 10450
6512         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6513         regular and a dynamic object only needs a dynamic symbol table
6514         entry if it is externally visible.
6515
6516         PR 10450
6517         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6518         constructor.  Add global_offset_table_ field.
6519         (Target_i386::got_section): Set global_offset_table_.
6520         (Target_i386::do_finalize_sections): Set global_offset_table_
6521         size.
6522         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6523         in constructor.  Add global_offset_table_ field.
6524         (Target_x86_64::got_section): Set global_offset_table_.
6525         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6526         size.
6527
6528         * layout.cc (Layout::Layout): Initialize increase_relro_.
6529         (Layout::get_output_section): Add is_relro, is_last_relro, and
6530         is_first_non_relro parameters.  Change all callers.
6531         (Layout::choose_output_section): Likewise.
6532         (Layout::add_output_section_data): Likewise.
6533         (Layout::make_output_section): Likewise.
6534         (Layout::set_segment_offsets): Clear increase_relro when using a
6535         linker script.
6536         * layout.h (class Layout): Add increase_relro method.  Add
6537         increase_relro_ field.  Update declarations.
6538         * output.cc (Output_section::Output_section): Initialize
6539         is_last_relro_ and is_first_non_relro_.
6540         (Output_segment::add_output_section): Group relro sections is
6541         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6542         (Output_segment::maximum_alignment): Remove relro handling.
6543         (Output_segment::set_section_addresses): Add increase_relro
6544         parameter.  Change all callers.  Add initial alignment to align
6545         relro sections on separate page.  Remove old relro handling.
6546         (Output_segment::set_section_list_addresses): Remove in_relro
6547         parameter.  Change all callers.
6548         (Output_segment::set_offset): Add increase parameter.  Change all
6549         callers.  Remove old relro handling.
6550         * output.h (class Output_section): Add new methods: is_last_relro,
6551         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6552         Add is_last_relro_ and is_first_non_relro_ fields.
6553         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6554         Create separate .got.plt section.  Call increase_relro.
6555         * x86_64.cc (Target_x86_64::got_section): Likewise.
6556         * testsuite/relro_script_test.t: Add .got.plt.
6557
6558         PR 10450
6559         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6560         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6561         (Layout::finalize): Call set_dynamic_symbol_size.
6562         (Layout::set_dynamic_symbol_size): New function.
6563         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6564         set_dynamic_symbol_size.
6565
6566         PR 10450
6567         * output.h (class Output_section): Add is_entsize_zero_ field.
6568         * output.cc (Output_section::Output_section): Initialize
6569         is_entsize_zero_.
6570         (Output_section::set_entsize): If two different entsizes are
6571         requested, force it to zero.
6572         (Output_section::add_input_section): Set flags for .debug_str
6573         before updating section flags.  Set entsize.
6574         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6575         and SHF_STRING if all input sections have those flags.
6576
6577 2009-12-29   Rafael Espindola  <espindola@google.com>
6578
6579         * main.cc (main): Fix the sys time reporting.
6580         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6581         reporting.
6582
6583 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6584
6585         * options.cc (General_options::parse_version): Allow -v to exit
6586         without an error if there is nothing to link.
6587
6588 2009-12-29  Ian Lance Taylor  <iant@google.com>
6589
6590         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6591         using a version of gcc before 4.1.
6592         * configure: Rebuild.
6593
6594 2009-12-28  Chris Demetriou  <cgd@google.com>
6595
6596         * attributes.cc (Output_attributes_section_data::do_write): Use
6597         std::vector::front rather than std::vector::data.
6598
6599 2009-12-28  Ian Lance Taylor  <iant@google.com>
6600
6601         * symtab.h (class Symbol_table): Add enum Defined.
6602         * resolve.cc (Symbol_table::should_override): Add defined
6603         parameter.  Change all callers.  Test whether object is NULL
6604         before calling a method on it.
6605         (Symbol_table::report_resolve_problem): Add defined parameter.
6606         Change all callers.
6607         (Symbol_table::should_override_with_special): Likewise.
6608         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6609         parameter.  Change all callers.
6610         (Symbol_table::do_define_in_output_data): Likewise.
6611         (Symbol_table::define_in_output_segment): Likewise.
6612         (Symbol_table::do_define_in_output_segment): Likewise.
6613         (Symbol_table::define_as_constant): Likewise.
6614         (Symbol_table::do_define_as_constant): Likewise.
6615         * script.h (class Symbol_assignment): Add is_defsym parameter to
6616         constructor; change all callers.
6617         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6618         parameter.  Change all callers.  Add is_defsym_ field.
6619         (class Parser_closure): Add parsing_defsym parameter to
6620         constructor; change all callers.  Add parsing_defsym accessor
6621         function.  Add parsing_defsym_ field.
6622
6623 2009-12-28  Ian Lance Taylor  <iant@google.com>
6624
6625         * gold.cc (queue_middle_tasks): Fix formatting.
6626         * object.cc (Relobj::is_section_name_included): Likewise.
6627
6628 2009-12-23  Ian Lance Taylor  <iant@google.com>
6629
6630         * i386.cc (Target_i386::do_calls_non_split): Recognize
6631         -fsplit-stack prologue for a function with a static chain.
6632         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6633         -fsplit-stack prologue when using %r11.
6634
6635 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6636
6637         * options.cc (General_options::parse_version): Make -v continue and do
6638         the link like GNU ld does.
6639
6640 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6641
6642         * Makefile.am (CCFILES): Add timer.cc.
6643         (HFILES): Add timer.h.
6644         * configure.ac: Check for sysconf and times.
6645         * main.cc: include timer.h.
6646         (main): Use Timer instead of get_run_time.
6647         * timer.cc: New.
6648         * timer.h: New.
6649         * workqueue.cc: include timer.h.
6650         (Workqueue::find_and_run_task):
6651         Report user, sys and wall time.
6652         * Makefile.in: Regenerate.
6653         * config.in: Regenerate.
6654         * configure: Regenerate.
6655
6656 2009-12-16  Doug Kwan  <dougkwan@google.com>
6657
6658         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6659         sections.
6660         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6661         relaxed input sections.
6662         * output.cc (Output_section::find_relaxed_input_section): Change
6663         return type to Output_relaxed_input_section pointer.  Adjust code
6664         for new type of relaxed_input_section_map_.
6665         * output.h (Output_section::find_relaxed_input_section): Change
6666         return type to Output_relaxed_input_section pointer.
6667         (Output_section::Output_relaxed_input_section_by_input_section_map):
6668         New type.
6669         (Output_section::relaxed_input_section_map_): Change type to
6670         Output_section::Output_relaxed_input_section_by_input_section_map.
6671         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6672         input section.
6673
6674 2009-12-15  Ian Lance Taylor  <iant@google.com>
6675
6676         * layout.cc (Layout::create_shstrtab): Only write out after input
6677         sections if we are compressing debug sections.
6678
6679 2009-12-15  Ian Lance Taylor  <iant@google.com>
6680
6681         * archive.cc (Archive::add_symbols): Only look up a symbol without
6682         a version if there is, in fact, a version.
6683
6684 2009-12-14  Ian Lance Taylor  <iant@google.com>
6685
6686         Revert -Wshadow changes, all changes from:
6687         2009-12-11  Doug Kwan  <dougkwan@google.com>
6688         2009-12-11  Nick Clifton  <nickc@redhat.com>
6689         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6690
6691 2009-12-11  Doug Kwan  <dougkwan@google.com>
6692
6693         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6694         due to -Wshadow.
6695         * attributes.cc (Object_attribute::size): Ditto.
6696         (Attributes_section_data::size): Ditto.
6697         (Attributes_section_data::Attributes_section_data): Ditto.
6698         (Output_attributes_section_data::do_write): Ditto.
6699         * attributes.h (Object_attribute::set_type): Ditto.
6700         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6701
6702 2009-12-11  Nick Clifton  <nickc@redhat.com>
6703
6704         * archive.cc: Fix shadowed variable warnings.
6705         * arm.cc: Likewise.
6706         * compressed_output.cc: Likewise.
6707         * compressed_output.h: Likewise.
6708         * configure: Likewise.
6709         * dwarf_reader.cc: Likewise.
6710         * dynobj.cc: Likewise.
6711         * dynobj.h: Likewise.
6712         * ehframe.cc: Likewise.
6713         * ehframe.h: Likewise.
6714         * errors.cc: Likewise.
6715         * expression.cc: Likewise.
6716         * fileread.cc: Likewise.
6717         * fileread.h: Likewise.
6718         * freebsd.h: Likewise.
6719         * i386.cc: Likewise.
6720         * icf.cc: Likewise.
6721         * incremental.h: Likewise.
6722         * layout.cc: Likewise.
6723         * layout.h: Likewise.
6724         * mapfile.cc: Likewise.
6725         * merge.cc: Likewise.
6726         * merge.h: Likewise.
6727         * object.cc: Likewise.
6728         * object.h: Likewise.
6729         * options.h: Likewise.
6730         * output.cc: Likewise.
6731         * output.h: Likewise.
6732         * parameters.cc: Likewise.
6733         * plugin.cc: Likewise.
6734         * powerpc.cc: Likewise.
6735         * reduced_debug_output.cc: Likewise.
6736         * reduced_debug_output.h: Likewise.
6737         * reloc.cc: Likewise.
6738         * reloc.h: Likewise.
6739         * resolve.cc: Likewise.
6740         * script-sections.cc: Likewise.
6741         * script.cc: Likewise.
6742         * script.h: Likewise.
6743         * sparc.cc: Likewise.
6744         * symtab.cc: Likewise.
6745         * symtab.h: Likewise.
6746         * target-select.cc: Likewise.
6747         * target-select.h: Likewise.
6748         * token.h: Likewise.
6749         * workqueue.cc: Likewise.
6750         * workqueue.h: Likewise.
6751         * x86_64.cc: Likewise.
6752
6753 2009-12-10  Doug Kwan  <dougkwan@google.com>
6754
6755         * arm.cc (attributes.h): New include.
6756         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6757         (Arm_relobj::~Arm_relobj): Delete object pointed by
6758         attributes_section_data_.
6759         (Arm_relobj::attributes_section_data): New method definition.
6760         (Arm_relobj::attributes_section_data_): New data member declaration.
6761         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6762         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6763         attributes_section_data_.
6764         (Arm_dynobj::attributes_section_data): New method definition.
6765         (Arm_dynobj::attributes_section_data_): New data member declaration.
6766         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6767         initialization value of may_use_blx_ to false.
6768         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6769         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6770         object attributes to compute results instead of hard-coding.
6771         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6772         Target_arm::get_secondary_compatible_arch,
6773         Target_arm::set_secondary_compatible_arch
6774         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6775         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6776         New method declarations.
6777         (Target_arm::get_aeabi_object_attribute): New method definition.
6778         (Target_arm::attributes_section_data_): New data member declaration.
6779         (read_arm_attributes_section): New template definition.
6780         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6781         (Arm_dynobj::do_read_symbols): Ditto.
6782         (Target_arm::do_finalize_sections): Merge attributes sections from
6783         input.  Check for BLX use after attributes section merging.
6784         Fix __exidx_start and __exidx_end visibility.  Create an
6785         .ARM.attributes section if necessary.
6786         (Target_arm::get_secondary_compatible_arch,
6787         Target_arm::set_secondary_compatible_arch,
6788         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6789         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6790         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6791         New method definitions.
6792
6793 2009-12-09  Ian Lance Taylor  <iant@google.com>
6794
6795         * plugin.cc (Plugin::load): Don't cast from void* to a function
6796         pointer.
6797
6798 2009-12-09  Ian Lance Taylor  <iant@google.com>
6799
6800         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6801         information fields.
6802
6803 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6804
6805         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6806         Replace two_file_shared_1.so with two_file_shared_2.so.
6807         * testsuite/Makefile.in: Regenerated.
6808
6809 2009-12-08  Doug Kwan  <dougkwan@google.com>
6810
6811         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6812         (HFILES): Add attributes.h and int_encoding.h.
6813         * Makefile.in: Regenerate.
6814         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6815         function definitions to int_encoding.cc
6816         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6817         prototypes to int_encoding.h
6818         * reduced_debug_output.cc (int_encoding.h): New include.
6819         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6820         function definitions to int_encoding.cc
6821         (insert_into_vector, read_from_pointer): Move template definitions to
6822         int_encoding.h
6823         * attributes.cc: New file.
6824         * attributes.h: New file.
6825         * int_encoding.cc: New file.
6826         * int_encoding.h: New file.
6827
6828 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6829
6830         PR gold/11055
6831         * incremental-dump.cc (dump_incremental_inputs): New.
6832         (main): Use dump_incremental_inputs.
6833
6834 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6835
6836         PR gold/10893
6837         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6838         checking elfcpp::STT_FUNC.
6839         (Target_i386::Relocate::relocate): Likewise.
6840         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6841
6842         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6843         symbols from shared libraries into normal FUNC symbols.
6844
6845         * symtab.h (Symbol): Add is_func and use it.
6846
6847 2009-12-05  Doug Kwan  <dougkwan@google.com>
6848
6849         * arm.cc (Target_arm::arm_info): Initialize new fields
6850         attributes_section and attributes_vendor.
6851         * i386.cc (Target_i386::i386_info): Same.
6852         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6853         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6854         fields attributes_section and attributes_vendor.
6855         * sparc.cc (Target_sparc::sparc_info): Same.
6856         * target.h (Target::attributes_section, Target::attributes_vendor,
6857         Target::is_attributes_section, Target::attribute_arg_type,
6858         Target::attributes_order): New method definitions.
6859         (Target::Target_info::attributes_section,
6860         Target::Target_info::attributes_vendor): New fields.
6861         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6862         virtual method definitions.
6863         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6864         attributes_section and attributes_vendor.
6865         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6866
6867 2009-12-05  Doug Kwan  <dougkwan@google.com>
6868
6869         * arm.cc: Update comments about interworking and stub generation.
6870         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6871         considered as non-PIC.
6872         (Arm_relocate_functions::base_abs): Fix formatting.
6873         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6874         of function to use GOT entry address instead of offset.
6875         (Target_arm::Scan::global): Issue an error if a symbol would need a
6876         PLT does not get one because it is untyped.  Remove code to create
6877         dynamic symbols for relative branches.
6878         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6879         takes unsigned integer instead of boolean.
6880
6881 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6882
6883         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6884         (two_file_test_LDADD): Likewise.
6885         (common_test_1_LDADD): Likewise.
6886         (exception_test_LDADD) Likewise.
6887         (weak_test_LDADD): Likewise.
6888         (many_sections_test_LDADD): Likewise.
6889         (initpri1_LDADD): Likewise.
6890         (script_test_1_LDADD): Likewise.
6891         (script_test_2_LDADD): Likewise.
6892         (justsyms_LDADD): Likewise.
6893         (binary_test_LDADD): Likewise.
6894         (large_LDADD): Likewise.
6895         * testsuite/Makefile.in: Regenerated.
6896
6897 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6898
6899         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6900         (Symbol_table::override_with_special): Likewise.
6901         (Symbol_table::add_from_object): Likewise.
6902
6903 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6904
6905         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6906         Don't set the data_offset twice.
6907
6908 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6909
6910         * testsuite/Makefile.in: Regenerate.
6911
6912 2009-12-03  Doug Kwan  <dougkwan@google.com>
6913
6914         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6915         (Target_arm::do_finalize_sections): Add parameter for symbol table
6916         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6917         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6918         parameter for symbol table pointer.
6919         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6920         an additional parameter for a pointer to symbol table.
6921         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6922         parameter for a symbol table pointer.
6923         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6924         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6925         Ditto.
6926         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6927         parameter for a symbol table pointer.
6928
6929 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6930
6931         * incremental.cc (Incremental_inputs_header)
6932         (Incremental_inputs_header_write, Incremental_inputs_entry)
6933         (Incremental_inputs_entry_write): Move ...
6934         * incremental.h (Incremental_inputs_header)
6935         (Incremental_inputs_header_write, Incremental_inputs_entry)
6936         (Incremental_inputs_entry_write): here.
6937
6938 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6939
6940         * incremental.cc (make_sized_incremental_binary): Set the target.
6941         Error if it is incompatible.
6942         * output.h (Output_file): Add filename method.
6943
6944 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6945
6946         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6947         from the get_* methods.
6948
6949 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6950
6951         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6952         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6953         Write 0 for the data_offset of scripts.
6954
6955 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6956
6957         * testsuite/Makefile.am: Add the incremental_test.sh test.
6958         * testsuite/incremental_test.sh: New.
6959         * testsuite/incremental_test_1.c: New.
6960         * testsuite/incremental_test_2.c: New.
6961
6962 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6963
6964        * incremental-dump.cc (main): Fix typos.
6965
6966 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6967
6968         PR gold/11025
6969         * incremental-dump.cc (main): Use llu to print 64 bit values.
6970
6971 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6972             H.J. Lu  <hongjiu.lu@intel.com>
6973
6974         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6975         $(LIBDL).
6976         (incremental_dump_LDADD): Likewise.
6977         * Makefile.in: Regenerated.
6978
6979 2009-11-25  Doug Kwan  <dougkwan@google.com>
6980
6981         Revert:
6982
6983         2009-11-25  Doug Kwan  <dougkwan@google.com>
6984
6985                 * arm.cc (Target_arm::Target_arm): Move method definition
6986                 outside of class definition.  Add code to handle
6987                 --target1-rel, --target1-abs and --target2= options.
6988                 (Target_arm::get_reloc_reloc_type): Change method to be
6989                 non-static and const.
6990                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6991                 New data member declaration.
6992                 (Target_arm::Scan::local, Target_arm::Scan::global,
6993                 Target_arm::Relocate::relocate,
6994                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6995                 Adjust call to Target_arm::get_real_reloc_type.
6996                 (Target_arm::get_real_reloc_type): Use command line options
6997                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6998                 * options.h (--target1-rel, --target1-abs, --target2): New
6999                 ARM-only options.
7000
7001 2009-11-25  Doug Kwan  <dougkwan@google.com>
7002
7003         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7004         class definition.  Add code to handle --target1-rel, --target1-abs
7005         and --target2= options.
7006         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7007         and const.
7008         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7009         member declaration.
7010         (Target_arm::Scan::local, Target_arm::Scan::global,
7011         Target_arm::Relocate::relocate,
7012         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7013         call to Target_arm::get_real_reloc_type.
7014         (Target_arm::get_real_reloc_type): Use command line options to
7015         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7016         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7017         options.
7018
7019 2009-11-25  Doug Kwan  <dougkwan@google.com>
7020
7021         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7022         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7023         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7024         formatting.
7025         (Arm_relocate_functions::thm_call): Replace body with a call to
7026         Arm_relocate_functions::thumb_branch_common.
7027         (Arm_relocate_functions::thm_jump24,
7028         Arm_relocate_functions::thm_xpc22): New method definitions.
7029         (Arm_relocate_functions::thumb_branch_common): New method definition.
7030         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7031         operator.
7032         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7033         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7034
7035 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7036
7037         * Makefile.am: Build incremental-dump
7038         * Makefile.in: Regenerate.
7039         * incremental-dump.cc: New.
7040         * incremental.cc (Incremental_inputs_header_data,
7041         Incremental_inputs_entry_data): Move to incremental.h
7042         * incremental.h: (Incremental_inputs_header_data,
7043         Incremental_inputs_entry_data): Move from incremental.cc
7044
7045 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7046
7047         * incremental.cc (Incremental_inputs_header,
7048         Incremental_inputs_header_write, Incremental_inputs_entry,
7049         Incremental_inputs_entry_write): Add a typedef with the data type.
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): Update comment about which
7056         type has the filed descriptions.
7057
7058 2009-11-15  Doug Kwan  <dougkwan@google.com>
7059
7060         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7061         (Arm_relocate_functions::arm_branch_common): Change method defintion
7062         in class definition to a method declaration and update list of formal
7063         parameters.
7064         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7065         Arm_relocation_functions::jump24): Adjust call to
7066         Arm_relocate_functions::arm_branch_common.  Update list of formal
7067         parameters.
7068         (Arm_relocate_functions::xpc25): New method definition.
7069         (Arm_relocate_functions::arm_branch_common): Move method defintion
7070         out from class definition.  Use stubs for mode-switching and extending
7071         branch ranges.
7072         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7073         specially.  Change code to enable use of stubs in ARM branches.
7074
7075 2009-11-10  Doug Kwan  <dougkwan@google.com>
7076
7077         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7078         in method declaration.
7079         (Target_arm::relocate_stub): New method declaration.
7080         (Target_arm::default_target): Change to return a pointer instead of
7081         a const reference.
7082         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7083         Target_arm::default_target.
7084         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7085         method definition.
7086         (Target_arm::relocate_section): Adjust view.
7087         (Target_arm::relocate_stub): New method definition.
7088
7089 2009-11-10  Doug Kwan  <dougkwan@google.com>
7090
7091         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7092         a format warning.
7093         * incremental.cc (open_incremental_binary): Initialized local
7094         variables to avoid warnings.
7095         * object.cc (make_elf_object): Ditto.
7096         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7097         a format warning.
7098
7099 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7100
7101         PR gold/10930
7102         * testsuite/plugin_test.c: Include "config.h".
7103
7104 2009-11-09  Doug Kwan  <dougkwan@google.com>
7105
7106         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7107         (arm_symbol_value): Remove.
7108         (Arm_relocate_functions::arm_branch_common,
7109         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7110         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7111         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7112         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7113         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7114         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7115         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7116         Arm_relocate_functions::thm_mobw_abs_nc,
7117         Arm_relocate_functions::thm_mov_abs,
7118         Arm_relocate_functions::movw_prel_nc,
7119         Arm_relocate_functions::thm_movt_abs,
7120         Arm_relocate_functions::movt_prel,
7121         Arm_relocate_functions::thm_movw_prel_nc,
7122         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7123         (Target_arm::Relocate::relocate): Only decompose address into two
7124         parts if relocation type uses the thumb-bit and pass the actual
7125         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7126         calls to methods in Arm_relocate_functions for this change.
7127
7128 2009-11-08  Ian Lance Taylor  <iant@google.com>
7129
7130         PR 10925
7131         * reloc.cc: Instantiate
7132         Sized_relobj::initialize_input_to_output_maps and
7133         Sized_relobj:free_input_to_output_maps.
7134
7135 2009-11-06  Ian Lance Taylor  <iant@google.com>
7136
7137         PR 10876
7138         * defstd.cc (in_segment): Set only_if_ref true for "end".
7139
7140 2009-11-06  Doug Kwan  <dougkwan@google.com>
7141
7142         * arm.cc (class Reloc_stub): Correct a comment.
7143         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7144         (Target_arm::scan_section_for_stubs): New method declaration.
7145         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7146         Change methods from private to protected.
7147         (Target_arm::do_may_relax): New method definition.
7148         (Target_arm::do_relax, Target_arm::group_sections,
7149         Target_arm::scan_reloc_for_stub,
7150         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7151         (Target_arm::arm_input_section_map_): New data member declaration.
7152         (Target_arm::scan_reloc_for_stub,
7153         Target_arm::scan_reloc_section_for_stubs,
7154         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7155         Target_arm::do_relax): New method definitions.
7156
7157 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7158
7159         * configure.ac: Check for (struct stat)::st_mtim
7160         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7161         * config.in: Regenerate.
7162         * configure: Regenerate.
7163
7164 2009-11-05  Ian Lance Taylor  <iant@google.com>
7165
7166         PR 10910
7167         * output.cc (Output_segment::add_output_section): Add missing
7168         return statement.
7169
7170 2009-11-04  Ian Lance Taylor  <iant@google.com>
7171
7172         PR 10880
7173         * object.h (class Object): Add is_needed and set_is_needed
7174         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7175         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7176         defined in a dynamic object and referenced by a regular object,
7177         set is_needed for the dynamic object.
7178         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7179         if the file is marked with as_needed and it is not needed.
7180
7181 2009-11-04  Ian Lance Taylor  <iant@google.com>
7182
7183         PR 10887
7184         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7185         tags if data is discarded by linker script.
7186         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7187         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7188         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7189         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7190
7191 2009-11-04  Ian Lance Taylor  <iant@google.com>
7192
7193         * layout.cc (Layout::get_output_section): Add is_interp and
7194         is_dynamic_linker_section parameters.  Change all callers.
7195         (Layout::choose_output_section): Likewise.
7196         (Layout::make_output_section): Likewise.
7197         (Layout::add_output_section_data): Add is_dynamic_linker_section
7198         parameter.  Change all callers.
7199         * layout.h (class Layout): Update declarations.
7200         * output.h (class Output_section): Add is_interp, set_is_interp,
7201         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7202         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7203         generate_code_fills_at_write_ to a bitfield.
7204         * output.cc (Output_section::Output_sections): Initialize new
7205         fields.
7206         (Output_segment::add_output_section): Add do_sort parameter.
7207         Change all callers.
7208
7209 2009-11-03  Ian Lance Taylor  <iant@google.com>
7210
7211         PR 10860
7212         * options.h (class General_options): Add --warn-common.
7213         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7214         merging two common symbols.
7215         (Symbol_table::should_override): Handle --warn-common when merging
7216         a common symbol with a defined symbol.  Use report_resolve_problem
7217         for multiple definitions.
7218         (Symbol_table::report_resolve_problem): New function.
7219         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7220
7221 2009-11-03  Doug Kwan  <dougkwan@google.com>
7222
7223         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7224         stub_factory_.
7225         (Target_arm::stub_factory): New method definition.
7226         (Target_arm::new_arm_input_section,
7227         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7228         Target_arm::reloc_uses_thumb_bit): New method declarations.
7229         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7230         New type definitions.
7231         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7232         member declarations.
7233         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7234         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7235         New method definitions.
7236
7237 2009-11-03  Ian Lance Taylor  <iant@google.com>
7238
7239         * options.h (class General_options): Add --warn_constructors.
7240
7241 2009-11-03  Ian Lance Taylor  <iant@google.com>
7242
7243         PR 10893
7244         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7245         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7246
7247 2009-11-03  Ian Lance Taylor  <iant@google.com>
7248
7249         PR 10895
7250         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7251         --msgid-bugs-address.
7252         (install-pdf): New target.
7253         (install-data_yes): Look up one directory to find mkinstalldirs.
7254
7255 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7256
7257         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7258         tree.
7259
7260 2009-10-30  Doug Kwan  <dougkwan@google.com>
7261
7262         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7263
7264 2009-10-30  Doug Kwan  <dougkwan@google.com>
7265
7266         * arm.cc (Stub_addend_reader): New struct template definition
7267         and partial specializations.
7268         (Stub_addend_reader::operator()): New method definition for a
7269         partially specialized template.
7270
7271 2009-10-30  Doug Kwan  <dougkwan@google.com>
7272
7273         * arm.cc (Arm_relobj::processor_specific_flags): New method
7274         definition.
7275         (Arm_relobj::do_read_symbols): New method declaration.
7276         (Arm_relobj::processor_specific_flags_): New data member declaration.
7277         (Arm_dynobj): New class definition.
7278         (Target_arm::do_finalize_sections): Add input_objects parameter.
7279         (Target_arm::do_adjust_elf_header): New method declaration.
7280         (Target_arm::are_eabi_versions_compatible,
7281         (Target_arm::merge_processor_specific_flags): New method declaration.
7282         (Target_arm::do_make_elf_object): New overloaded method definitions
7283         and declaration.
7284         (Arm_relobj::do_read_symbols): New method definition.
7285         (Arm_dynobj::do_read_symbols): Ditto.
7286         (Target_arm::do_finalize_sections): Add input_objects parameters.
7287         Merge processor-specific flags from all input objects.
7288         (Target_arm::are_eabi_versions_compatible,
7289         Target_arm::merge_processor_specific_flags,
7290         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7291         New method definitions.
7292         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7293         Input_objects pointer type parameter.
7294         * layout.cc (Layout::finalize): Pass input objects to target's.
7295         finalize_sections function.
7296         * output.cc (Output_file_header::do_sized_write): Set ELF file
7297         header's processor-specific flags.
7298         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7299         Input_objects pointer type parameter.
7300         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7301         * target.h (Input_objects): New forward class declaration.
7302         (Target::processor_specific_flags,
7303         Target::are_processor_specific_flags_sect): New method definitions.
7304         (Target::finalize_sections): Add input_objects parameter.
7305         (Target::Target): Initialize processor_specific_flags_ and
7306         are_processor_specific_flags_set_.
7307         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7308         parameter.
7309         (Target::set_processor_specific_flags): New method definition.
7310         (Target::processor_specific_flags_,
7311         Target::are_processor_specific_flags_set_): New data member
7312         declarations.
7313         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7314         Input_objects pointer type parameter.
7315
7316 2009-10-30  Doug Kwan  <dougkwan@google.com>
7317
7318         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7319
7320 2009-10-28  Ian Lance Taylor  <iant@google.com>
7321
7322         * object.h (class Relobj): Drop options parameter from
7323         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7324         do_scan_relocs, do_relocate.  Change all callers.
7325         (class Sized_relobj): Drop options parameters from
7326         do_gc_process_relocs, do_scan_relocs, do_relocate,
7327         do_relocate_sections, relocate_sections, emit_relocs_scan,
7328         emit_relocs_scan_reltype.  Change all callers.
7329         (struct Relocate_info): Remove options field and all references to
7330         it.
7331         * reloc.h (class Read_relocs): Remove options constructor
7332         parameter and options_ field.  Change all callers.
7333         (class Gc_process_relocs, class Scan_relocs): Likewise.
7334         (class Relocate_task): Likewise.
7335         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7336         all callers.
7337         (scan_relocatable_relocs): Likewise.
7338         * target.h (class Sized_target): Remove options parameter from
7339         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7340         all callers.
7341         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7342         callers.
7343         * arm.cc: Update functions to remove options parameters.
7344         * i386.cc: Likewise.
7345         * powerpc.cc: Likewise.
7346         * sparc.cc: Likewise.
7347         * x86_64.cc: Likewise.
7348         * testsuite/testfile.cc: Likewise.
7349
7350 2009-10-28  Doug Kwan  <dougkwan@google.com>
7351
7352         * arm.cc (Arm_relobj): New class definition.
7353         (Arm_relobj::scan_sections_for_stubs,
7354         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7355         New method definitions.
7356
7357 2009-10-28  Cary Coutant  <ccoutant@google.com>
7358
7359         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7360         (Plugin::cleanup_done_): New member.
7361         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7362         (Plugin_manager::cleanup_done_): Remove.
7363         (Plugin_manager::add_input_file): Edit error message.
7364         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7365         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7366
7367 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7368
7369         * fileread.cc: (File_read::View::~View): Use the new
7370         data_ownership_ filed.
7371         (File_read::~File_read): Dispose the new whole_file_view_.
7372         (File_read::open): Mmap the whole file if needed.
7373         (File_read::open): Use whole_file_view_ instead of contents_.
7374         (File_read::find_view): Use whole_file_view_ if applicable.
7375         (File_read::do_read): Use whole_file_view_ instead of contents_.
7376         (File_read::make_view): Use whole_file_view_ instead of contents_,
7377         update File_read::View::View call.
7378         (File_read::find_or_make_view): Update File_read::View::View
7379         call.
7380         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7381         remove contents_
7382         (File_read::View::Data_ownership): New enum.
7383         (File_read::View::View): Replace bool mapped_ with Data_ownership
7384         argument.
7385         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7386         (File_read::View::data_ownership_): New field.
7387         (File_read::contents_): Remove (replaced by whole_file_view_).
7388         (File_read::whole_file_view_): New field.
7389         * options.h (class General_options): Add --keep-files-mapped.
7390
7391 2009-10-27  Cary Coutant  <ccoutant@google.com>
7392
7393         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7394         * testsuite/Makefile.am (plugin_test_5): New test case.
7395         * testsuite/Makefile.in: Regenerate.
7396
7397 2009-10-25  Doug Kwan  <dougkwan@google.com>
7398
7399         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7400         from private to protected to allow access by child class.
7401         (Sized_relobj::do_relocate_sections): New method declaration.
7402         (Sized_relobj::relocate_sections): Virtualize.
7403         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7404         Sized_relobj::relocate_sections.  Instantiate template explicitly
7405         for different target sizes and endianity.
7406
7407 2009-10-24  Doug Kwan  <dougkwan@google.com>
7408
7409         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7410         (Arm_input_section::as_arm_input_section): New method.
7411         (Arm_output_section): New class definition.
7412         (Arm_output_section::create_stub_group,
7413         Arm_output_section::group_sections): New method definitions.
7414
7415 2009-10-22  Doug Kwan  <dougkwan@google.com>
7416
7417         * arm.cc (Arm_input_section): New class definition.
7418         (Arm_input_section::init, Arm_input_section:do_write,
7419         Arm_input_section::set_final_data_size,
7420         Arm_input_section::do_reset_address_and_file_offset): New method
7421         definitions.
7422
7423 2009-10-21  Doug Kwan  <dougkwan@google.com>
7424
7425         * arm.cc (Stub_table, Arm_input_section): New forward class
7426         declarations.
7427         (Stub_table): New class defintion.
7428         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7429         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7430         New method definition.
7431
7432 2009-10-21  Doug Kwan  <dougkwan@google.com>
7433
7434         * arm.cc: Update copyright comments.
7435         (Target_arm): New forward class template declaration.
7436         (Arm_address): New type.
7437         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7438         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7439         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7440         constants.
7441         (Insn_template): Same.
7442         (DEF_STUBS): New macro.
7443         (Stub_type): New enum type.
7444         (Stub_template): New class definition.
7445         (Stub): Same.
7446         (Reloc_stub): Same.
7447         (Stub_factory): Same.
7448         (Target_arm::Target_arm): Initialize may_use_blx_ and
7449         should_force_pic_veneer_.
7450         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7451         Target_arm::should_force_pic_veneer,
7452         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7453         Target_arm::using_thumb_only, Target_arm:;default_target): New
7454         method defintions.
7455         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7456         New data member declarations.
7457         (Insn_template::size, Insn_template::alignment): New method defintions.
7458         (Stub_template::Stub_template): New method definition.
7459         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7460         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7461         (Stub_factory::Stub_factory): New method definition.
7462         * gold.h (string_hash): New template.
7463         * output.h (Input_section_specifier::hash_value): Use
7464         gold::string_hash.
7465         (Input_section_specifier::string_hash): Remove.
7466         * stringpool.cc (Stringpool_template::string_hash): Use
7467         gold::string_hash.
7468
7469 2009-10-20  Doug Kwan  <dougkwan@google.com>
7470
7471         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7472         symbols of relaxed input sections.
7473         * output.h (Output_section::find_relaxed_input_section): Make
7474         method public.
7475
7476 2009-10-16  Doug Kwan  <dougkwan@google.com>
7477
7478         * dynobj.cc (Versions::Versions): Initialize version_script_.
7479         Only insert base version symbol definition for a shared object
7480         if version script defines any version versions.
7481         (Versions::define_base_version): New method definition.
7482         (Versions::add_def): Check that base version is not needed.
7483         (Versions::add_need): Define base version lazily.
7484         * dynobj.h (Versions::define_base_version): New method declaration.
7485         (Versions::needs_base_version_): New data member declaration.
7486         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7487         (check_DATA): Add no_version_test.stdout.
7488         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7489         New make rules.
7490         * testsuite/Makefile.in: Regenerate.
7491         * testsuite/no_version_test.c: New file.
7492         * testsuite/no_version_test.sh: Ditto.
7493
7494 2009-10-16  Doug Kwan  <dougkwan@google.com>
7495
7496         * expression.cc (class Segment_start_expression): New class definition.
7497         (Segment_start_expression::value): New method definition.
7498         (script_exp_function_segment_start): Return a new
7499         Segment_start_expression.
7500         * gold/script-c.h (script_saw_segment_start_expression): New function
7501         prototype.
7502         * script-sections.cc (Script_sections::Script_sections): Initialize
7503         SAW_SEGMENT_START_EXPRESSION_ to false.
7504         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7505         and -Tbbs options to specify section addresses if given in
7506         command line and no SEGMENT_START expression is seen in a script.
7507         * script-sections.h (Script_sections::saw_segment_start_expression,
7508         Script_sections::set_saw_segment_start_expression): New method
7509         definition.
7510         (Script_sections::saw_segment_start_expression_): New data member
7511         declaration.
7512         * script.cc (script_saw_segment_start_expression): New function.
7513         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7514         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7515         script_test_7.sh and script_test_8.sh.
7516         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7517         script_test_8.stdout.
7518         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7519         (script_test_6, script_test_6.stdout, script_test_7,
7520         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7521         * Makefile.in: Regenerate.
7522         * testsuite/script_test_6.sh: New file.
7523         * testsuite/script_test_6.t: Same.
7524         * testsuite/script_test_7.sh: Same.
7525         * testsuite/script_test_7.t: Same.
7526         * testsuite/script_test_8.sh: Same.
7527
7528 2009-10-16  Doug Kwan  <dougkwan@google.com>
7529
7530         * output.cc (Output_segment::set_section_list_address): Cast
7531         expressions to unsigned long long type to avoid format warnings.
7532
7533 2009-10-15  Ian Lance Taylor  <iant@google.com>
7534
7535         * script.cc (Script_options::add_symbol_assignment): Always add a
7536         dot assignment to script_sections_.
7537         * script-sections.cc (Script_sections::add_dot_assignment):
7538         Initialize if necessary.
7539
7540         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7541         program headers with no load segment if there is a linker script.
7542
7543         * layout.cc (Layout::set_segment_offsets): Align the file offset
7544         to the segment aligment for -N or -n with no load segment.
7545         * output.cc (Output_segment::add_output_section): Don't crash if
7546         the first section is a TLS section.
7547         (Output_segment::set_section_list_addresses): Print an error
7548         message if the address moves backward in a linker script.
7549         * script-sections.cc
7550         (Output_section_element_input::set_section_addresses): Don't
7551         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7552         (Orphan_output_section::set_section_addresses): Likewise.
7553
7554 2009-10-15  Doug Kwan  <dougkwan@google.com>
7555
7556         * layout.cc (Layout::finish_dynamic_section): Generate tags
7557         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7558         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7559         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7560
7561 2009-10-14  Ian Lance Taylor  <iant@google.com>
7562
7563         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7564         fields.
7565         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7566         data_shdr fields of relinfo.
7567         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7568         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7569         R_386_TLS_LDO_32, adjust based on section flags.
7570         (Target_i386::Relocate::fix_up_ldo): Remove.
7571
7572 2009-10-13  Ian Lance Taylor  <iant@google.com>
7573
7574         Add support for -pie.
7575         * options.h (class General_options): Add -pie and
7576         --pic-executable.
7577         (General_options::output_is_position_independent): Test -pie.
7578         (General_options::output_is_executable): Return true if not shared
7579         and not relocatable.
7580         (General_options::output_is_pie): Remove.
7581         * options.cc (General_options::finalize): Reject incompatible uses
7582         of -pie.
7583         * gold.cc (queue_middle_tasks): A -pie link is not static.
7584         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7585         * symtab.cc (Symbol::final_value_is_known): Return false if
7586         output_is_position_independent.
7587         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7588         output_is_position_independent.
7589         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7590         output_is_position_independent.
7591         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7592         output_is_position_independent.
7593         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7594         two_file_pie_test.
7595         (basic_pie_test.o, basic_pie_test): New targets.
7596         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7597         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7598         (two_file_pie_test): New target.
7599         * testsuite/Makefile.in: Rebuild.
7600         * README: Remove note saying that -pie is not supported.
7601
7602 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7603
7604         * options.h (class General_options): Add -init and -fini.
7605         * layout.cc (Layout::finish_dynamic_section): Emit
7606         given init and fini functions.
7607
7608 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7609
7610         * gc.h (gc_process_relocs): Check if icf is enabled using new
7611         function.
7612         * gold.cc (queue_initial_tasks): Likewise.
7613         (queue_middle_tasks): Likewise.
7614         * object.cc (do_layout): Likewise.
7615         * symtab.cc (is_section_folded): Likewise.
7616         * main.cc (main): Likewise.
7617         * reloc.cc (Read_relocs::run): Likewise.
7618         (Sized_relobj::do_scan_relocs): Likewise.
7619         * icf.cc (is_function_ctor_or_dtor): New function.
7620         (Icf::find_identical_sections): Check if function is ctor or dtor when
7621         safe icf is chosen.
7622         * options.h (General_options::icf): Change option to be an enum.
7623         (Icf_status): New enum.
7624         (icf_enabled): New method.
7625         (icf_safe_folding): New method.
7626         (set_icf_status): New method.
7627         (icf_status_): New variable.
7628         * (options.cc) (General_options::finalize): Set icf_status_.
7629         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7630         icf_test and icf_keep_unique_test to use the --icf enum flag.
7631         * testsuite/icf_safe_test.sh: New file.
7632         * testsuite/icf_safe_test.cc: New file.
7633
7634 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7635
7636         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7637         includes to gc.h and icf.h.
7638         * arm.cc: Include gc.h.
7639         * gold.cc: Likewise.
7640         * i386.cc: Likewise.
7641         * powerpc.cc: Likewise.
7642         * sparc.cc: Likewise.
7643         * x86_64.cc: Likewise.
7644         * gc.h: Include icf.h.
7645
7646 2009-10-11  Ian Lance Taylor  <iant@google.com>
7647
7648         * plugin.cc: Include "gold.h" before other header files.
7649
7650 2009-10-10  Chris Demetriou  <cgd@google.com>
7651
7652         * options.h (Input_file_argument::Input_file_type): New enum.
7653         (Input_file_argument::is_lib_): Replace with...
7654         (Input_file_argument::type_): New member.
7655         (Input_file_argument::Input_file_argument): Take Input_file_type
7656         'type' rather than boolean 'is_lib' as second argument.
7657         (Input_file_argument::is_lib): Use type_.
7658         (Input_file_argument::is_searched_file): New function.
7659         (Input_file_argument::may_need_search): Handle is_searched_file.
7660         * options.cc (General_options::parse_library): Support -l:filename.
7661         (General_options::parse_just_symbols): Update for Input_file_argument
7662         changes.
7663         (Command_line::process): Likewise.
7664         * archive.cc (Archive::get_file_and_offset): Likewise.
7665         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7666         * script.cc (read_script_file, script_add_file): Likewise.
7667         * fileread.cc (Input_file::Input_file): Likewise.
7668         (Input_file::will_search_for): Handle is_searched_file.
7669         (Input_file::open): Likewise.
7670         * readsyms.cc (Read_symbols::get_name): Likewise.
7671         * testsuite/Makefile.am (searched_file_test): New test.
7672         * testsuite/Makefile.in: Regenerate.
7673         * testsuite/searched_file_test.cc: New file.
7674         * testsuite/searched_file_test_lib.cc: New file.
7675
7676 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7677             Ian Lance Taylor  <iant@google.com>
7678
7679         * descriptor.cc: Include <cstdio> and "binary-io.h".
7680         (Descriptors::open): Open the files in binary mode always.
7681         * script.cc (Lex::get_token): Treat \r as whitespace.
7682
7683 2009-10-09  Ian Lance Taylor  <iant@google.com>
7684
7685         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7686
7687 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7688             Ian Lance Taylor  <iant@google.com>
7689
7690         * configure.ac: Check for readv function also.
7691         * fileread.cc (readv): Define if not HAVE_READV.
7692         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7693         does not exist.
7694         * config.in: Regenerate.
7695         * configure: Regenerate.
7696
7697 2009-10-09  Doug Kwan  <dougkwan@google.com>
7698
7699         * layout.cc (Layout::make_output_section): Call target hook to make
7700         ordinary output section.
7701         (Layout::finalize): Adjust parameter list of call the
7702         Target::may_relax().
7703         * layout.h (class Layout::section_list): New method.
7704         * merge.h (Output_merge_base::entsize): Change visibility to public.
7705         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7706         New methods.
7707         (Output_merge_string::do_is_string): New method.
7708         * object.cc (Sized_relobj::do_setup): renamed from
7709         Sized_relobj::set_up.
7710         * object.h (Sized_relobj::adjust_shndx,
7711         Sized_relobj::initializ_input_to_output_maps,
7712         Sized_relobj::free_input_to_output_maps): Change visibilities to
7713         protected.
7714         (Sized_relobj::setup): Virtualize.
7715         (Sized_relobj::do_setup): New method declaration.
7716         (Sized_relobj::invalidate_section_offset,
7717         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7718         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7719         * options.cc (parse_int): New function.
7720         * options.h (parse_int): New declaration.
7721         (DEFINE_int): New macro.
7722         (stub_group_size): New option.
7723         * output.cc (Output_section::Output_section): Initialize memebers
7724         merge_section_map_, merge_section_by_properties_map_,
7725         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7726         (Output_section::add_input_section): Handled deferred code-fill
7727         generation and remove an old comment.
7728         (Output_section::add_relaxed_input_section): New method definition.
7729         (Output_section::add_merge_input_section): Use merge section by
7730         properties map to speed to search.  Update merge section maps
7731         as appropriate.
7732         (Output_section::build_relaxation_map): New method definition.
7733         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7734         Same.
7735         (Output_section::relax_input_section): Renamed to
7736         Output_section::convert_input_sections_to_relaxed_sections and change
7737         interface to take a vector of pointers to relaxed sections.
7738         (Output_section::find_merge_section,
7739         Output_section::find_relaxed_input_section): New method definitions.
7740         (Output_section::is_input_address_mapped,
7741         Output_section::output_offset, Output_section::output_address):
7742         Use output section data maps to speed up searching.
7743         (Output_section::find_starting_output_address): Add comments.
7744         (Output_section::do_write,
7745         Output_section::write_to_postprocessing_buffer): Do code-fill
7746         generation as appropriate.
7747         (Output_section::get_input_sections): Invalidate relaxed input section
7748         map.
7749         (Output_section::restore_states): Adjust type of checkpoint .
7750         Invalidate relaxed input section map.
7751         * output.h (Output_merge_base): New class declaration.
7752         (Input_section_specifier): New class defintion.
7753         (class Output_relaxed_input_section) Change base class to
7754         Output_section_data_build.
7755         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7756         base class initializer.
7757         (Output_section::add_relaxed_input_section): New method declaration.
7758         (Output_section::Input_section): Change visibility to protected.
7759         (Output_section::Input_section::relobj,
7760         Output_section::Input_section::shndx): Handle relaxed input sections.
7761         Output_section::input_sections) Change visibility to protected.  Also
7762         define overload to return a non-const pointer.
7763         (Output_section::Merge_section_properties): New class defintion.
7764         (Output_section::Merge_section_by_properties_map,
7765         Output_section::Output_section_data_by_input_section_map,
7766         Output_section::Relaxation_map): New types.
7767         (Output_section::relax_input_section): Rename method to
7768         Output_section::convert_input_sections_to_relaxed_sections and change
7769         interface to take a vector of relaxed section pointers.
7770         (Output_section::find_merge_section,
7771         Output_section::find_relaxed_input_section,
7772         Output_section::build_relaxation_map,
7773         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7774         New method declarations.
7775         (Output_section::merge_section_map_
7776         Output_section::merge_section_by_properties_map_,
7777         Output_section::relaxed_input_section_map_,
7778         Output_section::is_relaxed_input_section_map_valid_,
7779         Output_section::generate_code_fills_at_write_): New data members.
7780         * script-sections.cc
7781         (Output_section_element_input::set_section_addresses): Call
7782         current_data_size and addralign methods of relaxed input sections.
7783         (Orphan_output_section::set_section_addresses): Call current_data_size
7784         and addralign methods of relaxed input sections.
7785         * symtab.cc (Symbol_table::compute_final_value): Extract template
7786         from the body of Symbol_table::sized_finalize_symbol.
7787         (Symbol_table::sized_finalized_symbol): Call
7788         Symbol_table::compute_final_value.
7789         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7790         (Symbol_table::compute_final_value): New templated method declaration.
7791         * target.cc (Target::do_make_output_section): New method defintion.
7792         * target.h (Target::make_output_section): New method declaration.
7793         (Target::relax): Add more parameters for input objects, symbol table
7794         and layout.  Adjust call to do_relax.
7795         (Target::do_make_output_section): New method declaration.
7796         (Target::do_relax): Add parameters for input objects, symbol table
7797         and layout.
7798
7799 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7800
7801         * pread.c: Include stdio.h.
7802
7803 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7804
7805         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7806         defined.
7807
7808 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7809
7810         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7811         Change read_shndx type to unsigned int.
7812         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7813         int.
7814         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7815         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7816         Change read_shndx type to unsigned int.
7817         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7818         int.
7819         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7820         * layout.cc (Layout::create_symtab_sections): Cast the result of
7821         local_symcount * symsize to off_t in the gold_assert.
7822
7823 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7824
7825         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7826         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7827         R_ARM_BASE_ABS.
7828         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7829         (Arm_relocate_functions::thm_abs5): New function.
7830         (Arm_relocate_functions::abs12): New function.
7831         (Arm_relocate_functions::abs16): New function.
7832         (Arm_relocate_functions::base_abs): New function.
7833         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7834         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7835         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7836         R_ARM_BASE_ABS.
7837         (Scan::global): Likewise.
7838         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7839         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7840         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7841         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7842         R_ARM_BASE_ABS.
7843
7844 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7845
7846         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7847         (Arm_relocate_functions::movt_prel): New function.
7848         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7849         (Arm_relocate_functions::thm_movt_prel): New function.
7850         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7851         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7852         (Scan::global, Relocate::relocate): Likewise.
7853         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7854
7855 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7856
7857         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7858         Incremental_checker.
7859         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7860         unsigned int.
7861         (class Incremental_inputs_header): New class.
7862         (Incremental_inputs_header_writer): Edit comment.
7863         (Incremental_inputs_entry): New class.
7864         (Incremental_inputs_entry_writer): Edit comment.
7865         (Sized_incremental_binary::do_find_incremental_inputs_section):
7866         Add *strtab_shndx parameter, fill it.
7867         (Sized_incremental_binary::do_check_inputs): New method.
7868         (Incremental_checker::can_incrementally_link_output_file): Use
7869         Sized_incremental_binary::check_inputs.
7870         (Incremental_inputs::report_command_line): Save command line in
7871         command_line_.
7872         * incremental.h:
7873         (Incremental_binary::find_incremental_inputs_section): New
7874         method.
7875         (Incremental_binary::do_find_incremental_inputs_section): Add
7876         strtab_shndx parameter.
7877         (Incremental_binary::do_check_inputs): New pure virtual method.
7878         (Sized_incremental_binary::do_check_inputs): Declare.
7879         (Incremental_checker::Incremental_checker): Add incremental_inputs
7880         parameter, use it to initialize incremental_inputs_.
7881         (Incremental_checker::incremental_inputs_): New field.
7882         (Incremental_checker::command_line): New method.
7883         (Incremental_checker::inputs): New method.
7884         (Incremental_checker::command_line_): New field.
7885
7886 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7887
7888         * incremental.cc: Include <cstdarg> and "target-select.h".
7889         (vexplain_no_incremental): New function.
7890         (explain_no_incremental): New function.
7891         (Incremental_binary::error): New method.
7892         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7893         method.
7894         (make_sized_incremental_binary): New function.
7895         (open_incremental_binary): New function.
7896         (can_incrementally_link_file): Add checks if output is ELF and has
7897         inputs section.
7898         * incremental.h: Include "elfcpp_file.h" and "output.h".
7899         (Incremental_binary): New class.
7900         (Sized_incremental_binary): New class.
7901         (open_incremental_binary): Declare.
7902         * object.cc (is_elf_object): Use
7903         elfcpp::Elf_recognizer::is_elf_file.
7904         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7905         * output.h (Output_file::filesize): New method.
7906
7907 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7908
7909         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7910         New function.
7911         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7912         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7913         function.
7914         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7915         function.
7916         (Arm_relocate_functions::movw_abs_nc): New function.
7917         (Arm_relocate_functions::movt_abs): New function.
7918         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7919         (Arm_relocate_functions::thm_movt_abs): New function.
7920         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7921         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7922         (Scan::global): Likewise.
7923         (Relocate::relocate): Likewise.
7924         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7925
7926 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7927
7928         * arm.cc (Arm_relocate_functions::got_prel) New function.
7929         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7930         (Relocate::relocate): Likewise.
7931         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7932
7933 2009-10-06  Ian Lance Taylor  <iant@google.com>
7934
7935         * options.h (class General_options): Define
7936         split_stack_adjust_size parameter.
7937         * object.h (class Object): Add uses_split_stack_ and
7938         has_no_split_stack_ fields.  Add uses_split_stack and
7939         has_no_split_stack accessor functions.  Declare
7940         handle_split_stack_section.
7941         (class Reloc_symbol_changes): Define.
7942         (class Sized_relobj): Define Function_offsets.  Declare
7943         split_stack_adjust, split_stack_adjust_reltype, and
7944         find_functions.
7945         * object.cc (Object::handle_split_stack_section): New function.
7946         (Sized_relobj::do_layout): Call handle_split_stack_section.
7947         * dynobj.cc (Sized_dynobj::do_layout): Call
7948         handle_split_stack_section.
7949         * reloc.cc (Sized_relobj::relocate_sections): Call
7950         split_stack_adjust for executable sections in split_stack
7951         objects.  Pass reloc_map to relocate_section.
7952         (Sized_relobj::split_stack_adjust): New function.
7953         (Sized_relobj::split_stack_adjust_reltype): New function.
7954         (Sized_relobj::find_functions): New function.
7955         * target-reloc.h: Include "object.h".
7956         (relocate_section): Add reloc_symbol_changes parameter.  Change
7957         all callers.
7958         * target.h (class Target): Add calls_non_split method.  Declare
7959         do_calls_non_split virtual method.  Declare match_view and
7960         set_view_to_nop.
7961         * target.cc: Include "elfcpp.h".
7962         (Target::do_calls_non_split): New function.
7963         (Target::match_view): New function.
7964         (Target::set_view_to_nop): New function.
7965         * gold.cc (queue_middle_tasks): Give an error if mixing
7966         split-stack and non-split-stack objects with -r.
7967         * i386.cc (Target_i386::relocate_section): Add
7968         reloc_symbol_changes parameter.
7969         (Target_i386::do_calls_non_split): New function.
7970         * x86_64.cc (Target_x86_64::relocate_section): Add
7971         reloc_symbol_changes parameter.
7972         (Target_x86_64::do_calls_non_split): New function.
7973         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7974         parameter.
7975         * powerpc.cc (Target_powerpc::relocate_section): Add
7976         reloc_symbol_changes parameter.
7977         * sparc.cc (Target_sparc::relocate_section): Add
7978         reloc_symbol_changes parameter.
7979         * configure.ac: Call AM_CONDITIONAL for the default target.
7980         * configure: Rebuild.
7981         * testsuite/Makefile.am (TEST_AS): New variable.
7982         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7983         (check_DATA): Add split_i386 and split_x86_64 files.
7984         (SPLIT_DEFSYMS): Define.
7985         (split_i386_[1234n].o): New targets.
7986         (split_i386_[124]): New targets.
7987         (split_i386_[1234r].stdout): New targets.
7988         (split_x86_64_[1234n].o): New targets.
7989         (split_x86_64_[124]): New targets.
7990         (split_x86_64_[1234r].stdout): New targets.
7991         (MOSTLYCLEANFILES): Add new executables.
7992         * testsuite/split_i386.sh: New file.
7993         * testsuite/split_x86_64.sh: New file.
7994         * testsuite/split_i386_1.s: New file.
7995         * testsuite/split_i386_2.s: New file.
7996         * testsuite/split_i386_3.s: New file.
7997         * testsuite/split_i386_4.s: New file.
7998         * testsuite/split_i386_n.s: New file.
7999         * testsuite/split_x86_64_1.s: New file.
8000         * testsuite/split_x86_64_2.s: New file.
8001         * testsuite/split_x86_64_3.s: New file.
8002         * testsuite/split_x86_64_4.s: New file.
8003         * testsuite/split_x86_64_n.s: New file.
8004         * testsuite/testfile.cc (Target_test): Update relocation_section
8005         function.
8006         * testsuite/Makefile.in: Rebuild.
8007
8008 2009-10-06  Ian Lance Taylor  <iant@google.com>
8009
8010         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8011         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8012         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8013         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8014         the address on ldo_addrs_.
8015         (Target_i386::Relocate::fix_up_ldo): New function.
8016
8017 2009-10-06   Rafael Espindola  <espindola@google.com>
8018
8019         * plugin.cc (add_input_library): New.
8020         (Plugin::load): Add add_input_library to tv.
8021         (Plugin_manager::add_input_file): Add the is_lib argument.
8022         (add_input_file): Update call to Plugin_manager::add_input_file.
8023         (add_input_library): New.
8024         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8025
8026 2009-09-30  Doug Kwan  <dougkwan@google.com>
8027
8028         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8029         symbol and call Symbol::may_need_copy_reloc to determine if
8030         a copy reloc is needed.
8031         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8032         nocopyreloc is given in command line.
8033         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8034         given in command line.
8035         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8036         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8037         of the removed Target_i386::may_need_copy_reloc.
8038         * options.h (copyreloc): New option with default value false.
8039         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8040         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8041         instead of the removed Target_powerpc::may_need_copy_reloc.
8042         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8043         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8044         instead of the removed Target_sparc::may_need_copy_reloc.
8045         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8046         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8047         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8048         instead of the removed Target_x86_64::may_need_copy_reloc.
8049
8050 2009-09-30  Ian Lance Taylor  <iant@google.com>
8051
8052         * object.h (class Object): Remove target_ field, and target,
8053         sized_target, and set_target methods.
8054         (Object::sized_target): Remove.
8055         (class Sized_relobj): Update declarations.  Remove sized_target.
8056         * object.cc (Sized_relobj::setup): Remove target parameter.
8057         Change all callers.
8058         (Input_objects::add_object): Don't do anything with the target.
8059         (make_elf_sized_object): Add punconfigured parameter.  Change all
8060         callers.  Set or test parameter target.
8061         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8062         Change all callers.
8063         * parameters.cc (Parameters::set_target): Change parameter type to
8064         be non-const.
8065         (Parameters::default_target): Remove.
8066         (set_parameters_target): Change parameter type to be non-const.
8067         (parameters_force_valid_target): New function.
8068         (parameters_clear_target): New function.
8069         * parameters.h (class Parameters): Update declarations.  Remove
8070         default_target method.  Add sized_target and clear_target
8071         methods.  Change target_ to be non-const.
8072         (set_parameters_target): Update declaration.
8073         (parameters_force_valid_target): Declare.
8074         (parameters_clear_target): Declare.
8075         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8076         as NULL if we aren't searching.
8077         (Add_symbols::run): Don't check for compatible target.
8078         * fileread.cc (Input_file::open_binary): Call
8079         parameters_force_valid_target.
8080         * gold.cc (queue_middle_tasks): Likewise.
8081         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8082         set_target on object.
8083         * dynobj.h (class Sized_dynobj): Update declarations.
8084         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8085         make_elf_object returns NULL.
8086         (Archive::include_member): Don't check whether object target is
8087         compatible.
8088         * output.cc (Output_section::add_input_section): Get target from
8089         parameters.
8090         (Output_section::relax_input_section): Likewise.
8091         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8092         parameters.
8093         (Sized_relobj::do_scan_relocs): Likewise.
8094         (Sized_relobj::relocate_sections): Likewise.
8095         * resolve.cc (Symbol_table::resolve): Likewise.
8096         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8097         parameter.  Change all callers.
8098         (Symbol_table::add_from_object): Get target from parameters.
8099         (Symbol_table::add_from_relobj): Don't check object target.
8100         (Symbol_table::add_from_dynobj): Likewise.
8101         (Symbol_table::define_special_symbol): Get target from
8102         parameters.
8103         * symtab.h (class Symbol_table): Update declaration.
8104         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8105         parameter.  Change all callers.  Clear parameter target.
8106         (Binary_test): Test target here.
8107         * testsuite/object_unittest.cc (gold_testsuite): Remove
8108         target_test_pointer parameter.  Change all callers.
8109         (Object_test): Test target here.
8110
8111 2009-09-26  Ian Lance Taylor  <iant@google.com>
8112
8113         * testsuite/initpri1.c: Don't try to use constructor priorities if
8114         compiling with gcc before 4.3.
8115
8116 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8117
8118         * testsuite/retain_symbols_file_test.sh (check_present): Change
8119         output file name to retain_symbols_file_test.stdout.
8120         (check_absent): Likewise.
8121
8122 2009-09-18  Craig Silverstein  <csilvers@google.com>
8123
8124         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8125         * options.cc: Include <cerrno> and <fstream>.
8126         (General_options::finalize): Parse -retain-symbols-file tag.
8127         * options.h: New flag.
8128         (General_options): New method should_retain_symbol, new
8129         variable symbols_to_retain.
8130         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8131         should_retain_symbol map.
8132         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8133         * testsuite/Makefile.in: Regenerate.
8134         * testsuite/retain_symbols_file_test.sh: New file.
8135
8136 2009-09-18  Nick Clifton  <nickc@redhat.com>
8137
8138         * po/es.po: Updated Spanish translation.
8139
8140 2009-09-17  Doug Kwan  <dougkwan@google.com>
8141
8142         * debug.h (DEBUG_RELAXATION): New constant.
8143         (DEBUG_ALL): Add DEBUG_RELAXATION.
8144         (debug_string_to_enum): Add relaxation debug option.
8145         * layout.cc
8146         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8147         Layout::Relaxation_debug_check::read_sections,
8148         Layout::Relaxation_debug_check::read_sections): New method definitions.
8149         (Layout::Layout): Initialize data members
8150         record_output_section_data_from_scrips_,
8151         script_output_section_data_list_ and relaxation_debug_check_.
8152         (Layout::save_segments, Layout::restore_segments,
8153         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8154         Layout::relaxation_loop_body): New method definitions.
8155         (Layout::finalize): Support relaxation.  Move section layout code to
8156         Layout::relaxation_loop_body.
8157         (Layout::set_asection_address_from_script): Move code for orphan
8158         section placement out.
8159         (Layout::place_orphan_sections_in_script): New method definition.
8160         * layout.h (Output_segment_headers, Output_file_header):
8161         New forward class declarations.
8162         (Layout::~Layout): Define.
8163         (Layout::new_output_section_data_from_script): New method definition.
8164         (Layout::place_orphan_sections_in_script): New method declaration.
8165         (Layout::Segment_states): New type declaration.
8166         (Layout::save_segments, Layout::restore_segments,
8167         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8168         Layout::relaxation_loop_body): New method declarations.
8169         (Layout::Output_section_data_list): New type declaration.
8170         (Layout::Relaxation_debug_check): New class definition.
8171         (Layout::record_output_section_data_from_script_,
8172         Layout::script_output_section_data_list_, Layout::segment_states_,
8173         Layout::relaxation_debug_check_): New data members.
8174         * output.cc: (Output_section_headers::do_size): New method definition.
8175         (Output_section_headers::Output_section_headers): Move size
8176         computation to Output_section_headers::do_size.
8177         (Output_segment_headers::do_size): New method definition.
8178         (Output_file_header::Output_file_header): Move size computation to
8179         Output_file_header::do_size and call it.
8180         (Output_file_header::do_size): New method definition.
8181         (Output_data_group::Output_data_group): Adjust call to
8182         Output_section_data.
8183         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8184         (Output_symtab_xindex::do_write): Add array bound check.
8185         (Output_section::Input_section::print_to_mapfile): Handle
8186         RELAXED_INPUT_SECTION_CODE.
8187         (Output_section::Output_section): Initialize data member checkpoint_.
8188         (Output_section::~Output_section): Delete checkpoint object pointed
8189         by checkpoint_.
8190         (Output_section::add_input_section): Always add an Input_section if
8191         relaxing.
8192         (Output_section::add_merge_input_section): Add assert.
8193         (Output_section::relax_input_section): New method definition.
8194         (Output_section::set_final_data_size): Set load address to zero for
8195         an unallocated section.
8196         (Output_section::do_address_and_file_offset_have_reset_values):
8197         New method definition.
8198         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8199         Handle relaxed input section.
8200         (Output_section::sort_attached_input_sections): Checkpoint input
8201         section list lazily.
8202         (Output_section::get_input_sections): Change type of input_sections to
8203         list of Simple_input_section pointers.  Checkpoint input section list
8204         lazily.  Also handle relaxed input sections.
8205         (Output_section::add_input_section_for_script): Take a reference to
8206         a Simple_input_section object instead of Relobj pointer and section
8207         index as parameter.  Handle relaxed input sections.
8208         (Output_section::save_states, Output_section::restore_states): New
8209         method definitions.
8210         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8211         (Output_data::is_data_size_fixed): New method definition.
8212         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8213         if it is fixed.
8214         (Output_data::address_and_file_offset_have_reset_values): New method
8215         definition.
8216         (Output_data::do_address_and_file_offset_have_reset_values): New method
8217         definition.
8218         (Output_data::set_data_size): Check that data size is not fixed.
8219         (Output_data::fix_data_size): New method definition.
8220         (Output_data::is_data_size_fixed_): New data member.
8221         (Output_section_headers::set_final_data_size): New method definition.
8222         (Output_section_headers::do_size): New method declaration.
8223         (Output_segment_headers::set_final_data_size): New method definition.
8224         (Output_segment_headers::do_size): New method declaration.
8225         (Output_file_header::set_final_data_size)::New method definition.
8226         (Output_file_header::do_size)::New method declaration.
8227         (Output_section_data::Output_section_data): Add new parameter
8228         is_data_size_fixed and use it to fix data size.
8229         (Output_data_const::Output_data_const): Adjust call to base class
8230         constructor and fix data size.
8231         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8232         base class constructor and fix data size.
8233         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8234         base class constructor and fix data size.
8235         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8236         class constructor and fix data size.
8237         (Output_data_group::set_final_data_size): New method definition.
8238         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8239         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8240         class constructor and fix data size.
8241         (Output_relaxed_input_section): New class definition.
8242         (Output_section::Simple_input_section): New class definition.
8243         (Output_section::get_input_sections): Adjust parameter list.
8244         (Output_section::add_input_section_for_script): Same.
8245         (Output_section::save_states, Output_section::restore_states,
8246         Output_section::do_address_and_file_offset_have_reset_values,
8247         (Output_section::Input_section::Input_section): Handle
8248         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8249         Output_relaxed_input_section.
8250         (Output_section::Input_section::is_input_section,
8251         Output_section::Input_section::set_output_section): Handle relaxed
8252         input section.
8253         (Output_section::Input_section::is_relaxed_input_section,
8254         Output_section::Input_section::output_section_data,
8255         Output_section::Input_section::relaxed_input_section): New method
8256         definitions.
8257         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8258         value.
8259         (Output_section::Input_section::u1_): Update comments.
8260         (Output_section::Input_section::u2_): Add new union member poris.
8261         (Output_section::Checkpoint_output_section): New classs definition.
8262         (Output_section::relax_input_section): New method declaration.
8263         (Output_section::checkpoint_): New data member.
8264         (Output_segment): Update comments.
8265         (Output_segment::Output_segment): Un-privatize copy constructor.
8266         (Output_segment::operator=): Un-privatize.
8267         * script-sections.cc (Output_section_element::Input_section_list):
8268         Change element type to Output_section::Simple_input_section.
8269         (Output_section_element_dot_assignment::set_section_addresses):
8270         Register output section data for relaxation clean up.
8271         (Output_data_exression::Output_data_expression): Adjust call to base
8272         constructor to fix data size.
8273         (Output_section_element_data::set_section_addresses): Register
8274         Output_data_expression object for relaxation clean up.
8275         (struct Input_section_info): Replace Relobj pointer and section index
8276         pair with Output_section::Simple_input_section and Convert struct to a
8277         class.
8278         (Input_section_sorter::operator()): Adjust access to
8279         Input_section_info data member to use accessors.
8280         (Output_section_element_input::set_section_addresses): Use layout
8281         parameter.  Adjust code to use Output_section::Simple_input_section
8282         and Input_secction_info classes.  Register filler for relaxation
8283         clean up.
8284         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8285         and section index pair with Output_section::Simple_input_section
8286         class.  Adjust code accordingly.
8287         (Phdrs_element::release_segment): New method definition.
8288         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8289         segment list.
8290         (Script_sections::release_segments): New method definition.
8291         * gold/script-sections.h (Script_sections::release_segments): New
8292         method declaration.
8293         * gold/target.h (Target::may_relax, Target::relax,
8294         Target::do_may_relax, Target::do_relax): New method definitions.
8295
8296 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8297
8298         * arm.cc (has_signed_unsigned_overflow): New function.
8299         (Arm_relocate_functions::abs8): New function.
8300         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8301         (Target_arm::Scan::global): Likewise.
8302         (Target_arm::relocate::relocate): Likewise.
8303         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8304         Likewise.
8305
8306 2009-09-16  Cary Coutant  <ccoutant@google.com>
8307
8308         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8309         * testsuite/Makefile.in: Regenerate.
8310
8311 2009-09-11  Nick Clifton  <nickc@redhat.com>
8312
8313         * po/gold.pot: Updated by the Translation project.
8314
8315 2009-09-08  Cary Coutant  <ccoutant@google.com>
8316
8317         * output.cc (Output_file::open): Add execute permission to empty file.
8318         * testsuite/Makefile.am (permission_test): New test.
8319         * testsuite/Makefile.in: Regenerate.
8320
8321 2009-09-02  Ian Lance Taylor  <iant@google.com>
8322
8323         * output.cc (Output_file::resize): Call map_no_anonymous rather
8324         than map.
8325
8326 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8327
8328         * gold.cc: Include "incremental.h".
8329         (queue_initial_tasks): Call Incremental_checker methods.
8330         * incremental.cc: Include "output.h".
8331         (Incremental_checker::can_incrementally_link_output_file): New
8332         method.
8333         * incremental.h (Incremental_checker): New class.
8334
8335         * output.cc (Output_file::open_for_modification): New method.
8336         (Output_file::map_anonymous): Changed return type to bool.  Record
8337         map in base_ field.
8338         (Output_file::map_no_anonymous): New method, broken out of map.
8339         (Output_file::map): Use map_no_anonymous and map_anonymous.
8340         * output.h (class Output_file): Update declarations.
8341
8342 2009-08-24  Cary Coutant  <ccoutant@google.com>
8343
8344         * options.h (Command_line::Pre_options): New class.
8345         (Command_line::pre_options): New member.
8346         * options.cc (gold::options::ready_to_register): New variable.
8347         (One_option::register_option): Do nothing if not registering options.
8348         Assert if same short option registered twice.
8349         (General_options::General_options): Turn off option registration when
8350         done constructing.
8351         (Command_line::Pre_options::Pre_options): New constructor.
8352
8353 2009-08-24  Cary Coutant  <ccoutant@google.com>
8354
8355         * options.h (General_options::no_keep_memory): Remove incorrect
8356         short option.
8357
8358 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8359
8360         * Makefile.am (am__skiplex, am__skipyacc): New.
8361         * Makefile.in: Regenerate.
8362
8363 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8364
8365         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8366         (INCLUDES): ... this.
8367         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8368         (AM_CPPFLAGS): Renamed from ...
8369         (INCLUDE): ... this.
8370         * Makefile.in, testsuite/Makefile.in: Regenerate.
8371
8372         * Makefile.in: Regenerate.
8373         * aclocal.m4: Likewise.
8374         * config.in: Likewise.
8375         * configure: Likewise.
8376         * testsuite/Makefile.in: Likewise.
8377
8378         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8379         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8380         * Makefile.in: Regenerate.
8381         * testsuite/Makefile.in: Regenerate.
8382
8383 2009-08-19  Cary Coutant  <ccoutant@google.com>
8384
8385         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8386         symbols in shared libraries overridden by hidden or internal symbols
8387         in the main program.
8388
8389 2009-08-19  Chris Demetriou  <cgd@google.com>
8390
8391         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8392         checking source file names in error messages.
8393
8394 2009-08-18  Doug Kwan  <dougkwan@google.com>
8395
8396         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8397         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8398         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8399         an elfcpp::Ehdr as parameter.
8400         * object.cc (Object::set_target): Remove the version that looks up
8401         a target and sets it.
8402         (Sized_relobj::setup): Take a Target object instead of
8403         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8404         (make_elf_sized_object): Find target and ask target to
8405         make an ELF object.
8406         * object.h: (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.
8410         * target.cc: Include dynobj.h.
8411         (Target::do_make_elf_object_implementation): New.
8412         (Target::do_make_elf_object): New.
8413         * target.h (Target::make_elf_object): New template declaration.
8414         (Target::do_make_elf_object): New method declarations.
8415         (Target::do_make_elf_object_implementation): New template declaration.
8416
8417 2009-08-14  Ian Lance Taylor  <iant@google.com>
8418
8419         * gold.h (FUNCTION_NAME): Define.
8420         (gold_unreachable): Use FUNCTION_NAME.
8421
8422 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8423
8424         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8425         symbol in the --keep-unique list is not found.
8426
8427 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8428
8429         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8430         been maked as --keep-unique.
8431         (Icf::unfold_section): New function.
8432         * icf.h (Icf::unfold_section): New function.
8433         * options.h (General_options::keep_unique): New option.
8434         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8435         * testsuite/Makefile.in: Regenerate.
8436         * testsuite/icf_keep_unique_test.sh: New file.
8437         * testsuite/icf_keep_unique_test.cc: New file.
8438
8439 2009-08-12  Cary Coutant  <ccoutant@google.com>
8440
8441         PR 10471
8442         * resolve.cc (Symbol_table::resolve): Check for references from
8443         dynamic objects to hidden and internal symbols.
8444         * testsuite/Makefile.am (hidden_test.sh): New test.
8445         * testsuite/Makefile.in: Regenerate.
8446         * testsuite/hidden_test.sh: New script.
8447         * testsuite/hidden_test_1.c: New test source.
8448         * testsuite/hidden_test_main.c: New test source.
8449
8450 2009-08-11  Doug Kwan  <dougkwan@google.com>
8451
8452         * arm.cc: Update comments.
8453         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8454         segment to locate the .ARM.exidx section if present.
8455
8456 2009-08-09  Doug Kwan  <dougkwan@google.com>
8457
8458         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8459         patch.
8460
8461 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8462         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8463         compiler warnings.
8464
8465 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8466
8467         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8468         valid tls_segment only for non-debug-section relocations.
8469         * testsuite/Makefile.am: Add gc_tls_test.
8470         * testsuite/Makefile.in: Regenerate.
8471         * testsuite/gc_tls_test.cc: New file.
8472         * testsuite/gc_tls_test.sh: New file.
8473
8474 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8475
8476         * icf.cc: New file.
8477         * icf.h: New file.
8478         * Makefile.am (CCFILES): Add icf.cc.
8479         (HFILES): Add icf.h
8480         * Makefile.in: Regenerate.
8481         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8482         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8483         section, symbol and addend information for the relocs.
8484         * gold.cc (queue_middle_tasks): Call identical code folding.
8485         * gold.h: Add defines for multimap.
8486         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8487         to the call of finalize_local_symbols.
8488         * main.cc (main): Create object of class Icf.
8489         * object.cc (Sized_relobj::do_layout): Allow this function to be
8490         called twice during icf.
8491         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8492         to sections marked as identical by icf.
8493         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8494         when available.
8495         (Sized_relobj::do_section_entsize): New function.
8496         * object.h (Object::section_entsize): New function.
8497         (Object::do_section_entsize): New pure virtual function.
8498         (Relobj::finalize_local_symbols): Add new parameter.
8499         (Relobj::do_section_entsize): New function.
8500         * options.h (General_options::icf): New option.
8501         (General_options::icf_iterations): New option.
8502         (General_options::print_icf_sections): New option.
8503         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8504         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8505         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8506         icf.
8507         * symtab.cc (Symbol_table::is_section_folded): New function.
8508         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8509         to sections marked as identical by icf.
8510         * symtab.h (Symbol_table::set_icf): New function.
8511         (Symbol_table::icf): New function.
8512         (Symbol_table::is_section_folded): New function.
8513         (Symbol_table::icf_): New data member.
8514         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8515         * testsuite/Makefile.am: Add commands to build icf_test.
8516         * testsuite/Makefile.in: Regenerate.
8517         * testsuite/icf_test.sh: New file.
8518         * testsuite/icf_test.cc: New file.
8519
8520 2009-07-24  Chris Demetriou  <cgd@google.com>
8521
8522         * layout.cc (is_compressible_debug_section): Fix incorrect
8523         comment about compressed section names.
8524
8525 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8526
8527         PR 10419
8528         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8529
8530 2009-07-16  Ian Lance Taylor  <iant@google.com>
8531
8532         PR 10400
8533         * layout.h: #include <map>.
8534         (class Kept_section): Change from struct to class.  Add accessors
8535         and setters.  Add section size to Comdat_group mapping.  Change
8536         Comdat_group to std::map.  Add is_comdat_ field.  Add
8537         linkonce_size field in union.
8538         (class Layout): Update declaration of find_or_add_kept_section.
8539         Don't declare find_kept_object.
8540         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8541         parameter.  Add object, shndx, is_comdat, and is_group_name
8542         parameters.  Change all callers.  Adjust for new Kept_section.
8543         (Layout::find_kept_object): Remove.
8544         * object.cc (Sized_relobj::include_section_group): Update use of
8545         Kept_section.  Rename secnum to shndx.  Only record
8546         Kept_comdat_section if sections are the same size.
8547         (Sized_relobj::include_linkonce_section): Update use of
8548         Kept_section.  Only record Kept_comdat_section if sections are the
8549         same size.  Set size of linkonce section.
8550         (Sized_relobj::map_to_kept_section): Update call to
8551         get_kept_comdat_section.
8552         * object.h (class Sized_relobj): Rename fields in
8553         Kept_comdat_section to drop trailing underscores; change object
8554         field to Relobj*.  Change Kept_comdat_section_table to store
8555         struct rather than pointer.
8556         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8557         Add kept_object and kept_shndx parameters.  Change all callers.
8558         (Sized_relobj::get_kept_comdat_section): Change return type to
8559         bool.  Add kept_object and kept_shndx parameters.  Change all
8560         callers.
8561         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8562         Layout::find_or_add_kept_section.
8563
8564 2009-07-09  Ian Lance Taylor  <iant@google.com>
8565
8566         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8567         Reserve space in the hash table.
8568
8569 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8570
8571         * fileread.cc (File_read::get_mtime): New method.
8572         * fileread.h (Timespec): New structure.
8573         (File_read::get_mtime): New method.
8574         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8575         Renamed from timestamp_nsec.
8576         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8577         Elf_Xword.
8578         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8579         timestamp_nsec.
8580         (Incremental_inputs::report_archive): Save mtime; style fix.
8581         (Incremental_inputs::report_obejct): Save mtime; style fix.
8582         (Incremental_inputs::report_script): Save mtime; style fix.
8583         (Incremental_inputs::finalize_inputs): Style fix.
8584         (Incremental_inputs::finalize): Style fix.
8585         (Incremental_inputs::create_input_section_data): Store inputs
8586         mtime.
8587         * incremental.h (Incremental_inputs::report_script): Add mtime
8588         argument.
8589         (Incremental_inputs::Input_info::Input_info): Intialize only one
8590         union member.
8591         (Incremental_inputs::Input_info::archive): Move to nameless
8592         union.
8593         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8594         (Incremental_inputs::Input_info::script): Move to nameless union.
8595         (Incremental_inputs::mtime): New field.
8596         * script.cc (read_input_script): Pass file mtime to
8597         Incremental_input.
8598         * script.h (Script_info::inputs): Style fix.
8599
8600 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8601
8602         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8603         instead of 32.
8604
8605 2009-06-24  Ian Lance Taylor  <iant@google.com>
8606
8607         PR 10156
8608         * layout.cc (Layout::choose_output_section): If we find an
8609         existing section, update the flags.
8610         (Layout::create_notes): New function, broken out of
8611         Layout::finalize.
8612         (Layout::finalize): Don't create note sections.
8613         (Layout::create_note): Don't crash if linker script discards
8614         section.
8615         (Layout::create_gold_note): Likewise.
8616         (Layout::create_build_id): Likewise.  Don't set
8617         after_input_sections on the section.
8618         (Layout::create_executable_stack_info): Remove target parameter.
8619         Change caller.
8620         * layout.h (class Layout): Declare create_notes.  Update
8621         declaration of create_executable_stack_info.
8622         * gold.cc (queue_middle_tasks): Call create_notes.
8623         * output.cc (Output_section::update_flags_for_input_section): Move
8624         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8625         invalid.
8626         * output.h (Output_data::mark_address_invalid): New function.
8627         (class Output_section): Only declare, not define,
8628         update_flags_for_input_section.  Remove set_flags.
8629
8630 2009-06-24  Ian Lance Taylor  <iant@google.com>
8631
8632         * script-sections.cc (Output_section_definition::
8633         set_section_addresses): Rename shadowing local load_address to
8634         laddr.
8635
8636 2009-06-24  Ian Lance Taylor  <iant@google.com>
8637
8638         PR 10244
8639         * reloc.cc (relocate_sections): Skip empty relocation sections.
8640
8641 2009-06-23  Ian Lance Taylor  <iant@google.com>
8642
8643         PR 10156
8644         * layout.cc (Layout::create_note): Use choose_output_section
8645         rather than make_output_section.
8646
8647 2009-06-23  Ian Lance Taylor  <iant@google.com>
8648
8649         PR 10237
8650         * options.cc (General_options::parse_V): Set printed_version_.
8651         (General_options::General_options): Initialize printed_version_.
8652         * options.h (class General_options): Add printed_version_ field.
8653         * gold.cc (queue_initial_tasks): If there are no input files,
8654         don't give a fatal error if we printed the version information.
8655         (queue_middle_tasks): If using -r with a shared object, give a
8656         fatal error rather than an ordinary error.
8657
8658 2009-06-23  Ian Lance Taylor  <iant@google.com>
8659
8660         PR 10219
8661         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8662         (Layout::make_output_section): Set have_stabstr_section_ if we see
8663         a .stab*str section.
8664         (Layout::finalize): Call link_stabs_sections.
8665         (Layout::link_stabs_sections): New file.
8666         * layout.h (class Layout): Add have_stabstr_section_ field.
8667         Declare link_stabs_sections.
8668
8669 2009-06-23  Doug Kwan  <dougkwan@google.com>
8670
8671         * Makefile.am (libgold_a_LIBADD): New.
8672         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8673         * Makefile.in: Regenerate.
8674         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8675         * configure: Regenerate.
8676         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8677         * fileread.cc: Include sys/state.h
8678         * gold.h: Declare memmem and strndup if found missing.
8679         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8680
8681 2009-06-23  Ian Lance Taylor  <iant@google.com>
8682
8683         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8684         * configure: Rebuild.
8685
8686 2009-06-23  Ian Lance Taylor  <iant@google.com>
8687
8688         PR 10147
8689         * object.cc (Object::section_contents): Don't try to get a view if
8690         the section has length zero.
8691         (Object::handle_gnu_warning_section): If the section is empty, use
8692         the name of the section as the warning.
8693
8694 2009-06-23  Ian Lance Taylor  <iant@google.com>
8695
8696         PR 10133
8697         * stringpool.h (class Stringpool_template): Add optimize_ field.
8698         (Stringpool_template::set_optimize): New function.
8699         * stringpool.cc (Stringpool_template::Stringpool_template):
8700         Initialize optimize_ field.
8701         (Stringpool_template::set_string_offsets): Test local optimize
8702         fild rather than parameter.
8703         * layout.cc (Layout::Layout): Call set_optimize on the section
8704         name stringpool.
8705
8706 2009-06-22  Ian Lance Taylor  <iant@google.com>
8707
8708         PR 10030
8709         * yyscript.y: Parse TARGET.
8710         * script.cc (script_set_target): New function.
8711         * script-c.h (script_set_target): Declare.
8712         * options.cc (General_options::string_to_object_format): Rename
8713         from string_to_object_format in anonymous namespace.  Change
8714         callers.
8715         * options.h (class General_options): Declare
8716         string_to_object_format.
8717
8718 2009-06-22  Ian Lance Taylor  <iant@google.com>
8719
8720         * script-sections.cc (Script_sections::create_segments): Don't put
8721         program headers in a PT_LOAD segment if -n or -N.
8722
8723 2009-06-22  Ian Lance Taylor  <iant@google.com>
8724
8725         PR 10141
8726         * options.h (class General_options): Add -z lazy and -z now.  Sort
8727         -z options into alphabetical order.
8728         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8729
8730 2009-06-21  Ian Lance Taylor  <iant@google.com>
8731
8732         * layout.cc (Layout::make_output_section): Call
8733         Target::new_output_section.
8734         (Layout::attach_allocated_section_to_segment): Put large section
8735         sections in a separate load segment with the large segment flag
8736         set.
8737         (Layout::segment_precedes): Sort large data segments after other
8738         load segments.
8739         (align_file_offset): New static function.
8740         (Layout::set_segment_offsets): Use align_file_offset.
8741         * output.h (class Output_section): Add is_small_section_ and
8742         is_large_section_ fields.
8743         (Output_section::is_small_section): New function.
8744         (Output_section::set_is_small_section):  New function.
8745         (Output_section::is_large_section): New function.
8746         (Output_section::set_is_large_section): New function.
8747         (Output_section::is_large_data_section): New function.
8748         (class Output_segment): Add is_large_data_segment_ field.
8749         (Output_segment::is_large_data_segment): New function.
8750         (Output_segment::set_is_large_data_segment): New function.
8751         * output.cc (Output_section::Output_section): Initialize new
8752         fields.
8753         (Output_segment::Output_segment): Likewise.
8754         (Output_segment::add_output_section): Add assertion that large
8755         data sections always go in large data segments.  Force small data
8756         sections to the end of the list of data sections.  Force small BSS
8757         sections to the start of the list of BSS sections.  For large BSS
8758         sections to the end of the list of BSS sections.
8759         * symtab.h (class Symbol): Declare is_common_shndx.
8760         (Symbol::is_defined): Check Symbol::is_common_shndx.
8761         (Symbol::is_common): Likewise.
8762         (class Symbol_table): Define enum Commons_section_type.  Update
8763         declarations.  Add small_commons_ and large_commons_ fields.
8764         * symtab.cc (Symbol::is_common_shndx): New function.
8765         (Symbol_table::Symbol_table): Initialize new fields.
8766         (Symbol_table::add_from_object): Put small and large common
8767         symbols in the right list.
8768         (Symbol_table::sized_finalized_symbol): Check
8769         Symbol::is_common_shndx.
8770         (Symbol_table::sized_write_globals): Likewise.
8771         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8772         common symbol lists.  Don't call do_allocate_commons_list if the
8773         list is empty.
8774         (Symbol_table::do_allocate_commons_list): Remove is_tls
8775         parameter.  Add comons_section_type parameter.  Change all
8776         callers.  Handle small and large common symbols.
8777         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8778         Symbol::is_common_shndx.
8779         * resolve.cc (symbol_to_bits): Likewise.
8780         * target.h (Target::small_common_shndx): New function.
8781         (Target::small_common_section_flags): New function.
8782         (Target::large_common_shndx): New function.
8783         (Target::large_common_section_flags): New function.
8784         (Target::new_output_section): New function.
8785         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8786         small_common_section_flags, and large_common_section_flags
8787         fields.
8788         (Target::do_new_output_section): New virtual function.
8789         * arm.cc (Target_arm::arm_info): Initialize new fields.
8790         * i386.cc (Target_i386::i386_info): Likewise.
8791         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8792         Likewise.
8793         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8794         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8795         (Target_x86_64::do_new_output_section): New function.
8796         * configure.ac: Define conditional MCMODEL_MEDIUM.
8797         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8798         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8799         (large_LDFLAGS): Define.
8800         * testsuite/large.c: New file.
8801         * testsuite/testfile.cc (Target_test::test_target_info):
8802         Initialize new fields.
8803         * configure, testsuite/Makefile.in: Rebuild.
8804
8805 2009-06-05  Doug Kwan  <dougkwan@google.com>
8806
8807         * Makefile.am (CCFILES): Add target.cc.
8808         * Makefile.in: Regenerate.
8809         * i386.cc (class Target_i386): Define new virtual method to
8810         override do_is_local_label_name in parent.
8811         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8812         local symbols if --discard-locals or -X is given.
8813         * options.h (class General_options): Declare new options
8814         '--discard-locals' and '-X' for discarding locals.
8815         * target.h (class Target): Define new methods is_local_label_name.
8816         Declare new virtual method do_is_local_label_name.
8817         * target.cc: New file.
8818         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8819         (check_SCRIPTS): Add discard_locals_test.sh.
8820         (check_DATA): Add discard_local_tests.syms.
8821         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8822         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8823         * testsuite/Makefile.in: Regenerate.
8824         * testsuite/discard_locals_test.c: New file.
8825         * testsuite/discard_locals_test.sh: Same.
8826
8827 2009-06-05  Doug Kwan  <dougkwan@google.com>
8828
8829         * object.cc (Sized_relobj::Sized_relobj): Initialize
8830         discarded_eh_frame_shndx_ to -1U.
8831         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8832         section.
8833         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8834         a discarded .eh_frame section.
8835         (Sized_relobj::do_finalize_local_symbols): Ditto.
8836         * object.h (class Sized_relobj): Declare new member
8837         discarded_eh_frame_shndx_.
8838         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8839         (local_labels_test.o, local_labels_test): New rules.
8840         * testsuite/Makefile.in: Regenerate.
8841
8842 2009-06-04  Doug Kwan  <dougkwan@google.com>
8843
8844         * layout.cc (Layout::section_name_mapping): Add mapping for
8845         special ARM sections.
8846
8847 2009-06-03  Doug Kwan  <dougkwan@google.com>
8848
8849         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8850         (utils::has_overflow): Same.
8851
8852 2009-06-03  Ian Lance Taylor  <iant@google.com>
8853
8854         * layout.cc (Layout::section_name_mapping): New array, replacing
8855         Layout::linkonce_mapping.
8856         (Layout::section_name_mapping_count): New variable, replacing
8857         Layout::linkonce_mapping_count.
8858         (Layout::linkonce_output_name): Remove.
8859         (Layout::output_section_name): Rewrite.
8860         * layout.h (class Layout): Rename Linkonce_mapping to
8861         Section_name_mapping, linkonce_mapping to section_name_mapping,
8862         linkonce_mapping_count to section_name_mapping_count.  Don't
8863         declare linkonce_output_name.
8864
8865 2009-06-03  Doug Kwan  <dougkwan@google.com>
8866
8867         * gold/arm.cc (namespace utils): New.
8868         (Target_arm::reloc_is_non_pic): Define new method.
8869         (class Arm_relocate_functions): New.
8870         (Target_arm::Relocate::relocate): Handle relocation types used by
8871         Android.
8872
8873 2009-06-03  Ian Lance Taylor  <iant@google.com>
8874
8875         * arm.cc (Target_arm::scan::global): Use || instead of |.
8876
8877 2009-06-02  Doug Kwan  <dougkwan@google.com>
8878
8879         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8880         issued_non_pic_error_.
8881         (class Target_arm::Scan): Declare new method check_non_pic.
8882         Define new method symbol_needs_plt_entry.
8883         Declare new data member issued_non_pic_error_.
8884         (class Target_arm::Relocate): Declare new method
8885         should_apply_static_reloc.
8886         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8887         (Target_arm::Scan::check_non_pic): Define new method.
8888         (Target_arm::Scan::local): Handle a small subset of reloc types used
8889         by Android.
8890         (Target_arm::Scan::local): Same.
8891         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8892
8893 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8894
8895         * incremental.cc (Incremental_inputs::report_command_line): Filter
8896         out --incremental-* options.
8897
8898 2009-05-29  Doug Kwan  <dougkwan@google.com>
8899
8900         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8901         template class.
8902         (class Target_arm): Update comment.
8903         (Target_arm::Target_arm): Initialize new data members GOT_,
8904         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8905         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8906         and Target_arm::rel_dyn_section.
8907         Declare new_enum Target_arm::Got_type.
8908         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8909         and DYNBSS_.
8910         Update commments for member do_dynsym_value.
8911         (Target_arm::got_size, Target_arm::plt_section,
8912         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8913         new methods inside class defintion.
8914         (Target_arm::got_section): Define new method.
8915         (Target_arm::rel_dyn_section): Same.
8916         (Output_data_plt_arm): New template class.
8917         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8918         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8919         (Output_data_plt_arm::add_entry): Same.
8920         (Output_data_plt_arm::first_plt_entry): Define new
8921         static data member for PLT instruction template.
8922         (Output_data_plt_arm::plt_entry): Same.
8923         (Output_data_plt_arm::do_write): Define new method.
8924         (Target_arm::make_plt_entry): Same.
8925         (Target_arm::do_finalize_sections): Same.
8926         (Target_arm::do_dynsym_value): Same.
8927
8928 2009-05-28  Doug Kwan  <dougkwan@google.com>
8929
8930         * Makefile.am (TARGETSOURCES): Add arm.cc.
8931         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8932         * Makefile.in: Regenerate.
8933         * arm.cc: New file.
8934         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8935
8936 2009-05-26  Doug Kwan  <dougkwan@google.com>
8937
8938         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8939         (General_options::check_excluded_libs): Strip off directories in
8940         archive name before matching like GNU ld does.
8941         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8942         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8943         (exclude_libs_test_LDFLAGS): Add linker option
8944         -Wl,--exclude-libs,libexclude_libs_test_3
8945         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8946         an explicit archive without using -l.
8947         (alt/libexclude_libs_test_3.a): New make rule.
8948         * testsuite/Makefile.in: Regenerate.
8949         * testsuite/exclude_libs_test.c : Declare lib3_default().
8950         (main): Call it.
8951         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8952         * exclude_libs_test_3.c: New file.
8953
8954 2009-05-26  Nick Clifton  <nickc@redhat.com>
8955
8956         * po/id.po: New Indonesian translation.
8957         * po/gold.pot: Updated template file.
8958
8959 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8960
8961         * testsuite/Makefile.am: Add -ffunction-sections to compile
8962         gc_comdat_test files.  Add -Wl,--gc-sections to build
8963         gc_comdat_test.
8964         * testsuite/Makefile.in: Regenerate.
8965         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8966
8967 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8968
8969         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8970         kept comdat section was garbage collected.
8971         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8972         * testsuite/Makefile.in: Regenerate.
8973         * testsuite/gc_comdat_test.sh: New file.
8974         * testsuite/gc_comdat_test_1.cc: New file.
8975         * testsuite/gc_comdat_test_2.cc: New file.
8976
8977 2009-05-19  Doug Kwan  <dougkwan@google.com>
8978
8979         * archive.cc (Archive::Archive): Move constructor from archive.h
8980         to here.  Initialize no_export_.
8981         (Archive::get_elf_object_for_member): Set no_export flag of object.
8982         * archive.h (Archive::Archive): Move constructor body to
8983         archive.cc.
8984         (Archive::no_export): New method.
8985         (Archive::no_export_): New field.
8986         * object.h (Object::Object): Initialize no_export_ to false.
8987         (Object::no_export, Object::set_no_export): New methods.
8988         (Object::no_export_): New field.
8989         * options.cc (General_options::parse_exclude_libs): New method.
8990         (General_options::check_excluded_libs) Same.
8991         * options.h (exclude_libs): New option.
8992         (General_options::check_excluded_libs): New method declaration.
8993         (General_options::excluded_libs_): New field.
8994         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8995         default or protected visibility if an object has no-export flag set.
8996         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8997         (check_SCRIPTS): Add exclude_libs_test.sh.
8998         (check_DATA): Add exclude_libs_test.syms.
8999         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9000         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9001         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9002         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9003         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9004         libexclude_libs_test_2.a): New rules.
9005         * testsuite/Makefile.in: Regenerate.
9006         * testsuite/exclude_libs_test.c: New file.
9007         * testsuite/exclude_libs_test.sh: Ditto.
9008         * testsuite/exclude_libs_test_1.c: Ditto.
9009         * testsuite/exclude_libs_test_2.c: Ditto.
9010
9011 2009-05-15  Ian Lance Taylor  <iant@google.com>
9012
9013         * configure.ac: Check for declarations for cases where libiberty.h
9014         checks HAVE_DECL_xxx.
9015         * configure, config.in: Rebuild.
9016
9017 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9018
9019         * gold.h (Incremental_argument_list): Remove (invalid) forward
9020         declaration.
9021         * incremental.cc (Incremental_inputs::report_achive): New method.
9022         (Incremental_inputs::report_object): New method.
9023         (Incremental_inputs::report_script): New method.
9024         (Incremental_inputs::finalize_inputs): New method.
9025         (Incremental_inputs::finalize): Call finalize_inputs().
9026         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9027         Create inputs entries.
9028         * incremental.h (Incremental_input_type): New enum.
9029         (Incremental_inputs::Incremental_input): Initialize new fields.
9030         (Incremental_inputs::report_inputs): New method.
9031         (Incremental_inputs::report_achive): New method.
9032         (Incremental_inputs::report_object): New method.
9033         (Incremental_inputs::report_script): New method.
9034         (Incremental_inputs::finalize_inputs): New method.
9035         (Incremental_inputs::Input_info): New struct.
9036         (Incremental_inputs::Input_info_map): New typedef.
9037         (Incremental_inputs::lock_): New field.
9038         (Incremental_inputs::Inputs_): New field.
9039         (Incremental_inputs::Inputs_map): New field.
9040         * main.cc (main): Call Incremental_input::report_inputs.
9041         * options.h (Input_argument_list): Typedef moved from
9042         Input_arguments.
9043         (Input_file_group::Files): Remove, use ::Input_argument_list.
9044         (Input_file_group::Input_argument_list): Remove, use
9045         ::Input_argument_list.
9046         * plugin.cc (Plugin_manager::add_input_file): Add error in
9047         incremental build.
9048         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9049         functions.
9050         * script.cc (read_input_script): Call
9051         Incremental_input::report_script.
9052         * script.h (Script_info): New class.
9053
9054 2009-04-27  Ian Lance Taylor  <iant@google.com>
9055
9056         * x86_64.cc (do_adjust_output_section): Set entsize to
9057         plt_entry_size.
9058
9059 2009-04-23  Elliott Hughes  <enh@google.com>
9060
9061         * output.cc (Output_file::close): After short writes, continue
9062         writing from the correct offset in the buffer being written.
9063
9064 2009-04-23  Chris Demetriou  <cgd@google.com>
9065
9066         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9067         * configure: Regenerate.
9068         * config.in: Regenerate.
9069         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9070         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9071
9072 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9073
9074         * incremental.cc (Incremental_inputs_header_data): Renamed from
9075         Incremental_input_header_data.
9076         (Incremental_inputs_header_data::data_size): New field.
9077         (Incremental_inputs_header_data::put_input_file_count): Renamed
9078         from input_file_count.
9079         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9080         from command_line_offset.
9081         (Incremental_inputs_header_data::put_reserved): Renamed from
9082         put_reserved.
9083         (Incremental_inputs_entry_data): Renamed from
9084         Incremental_input_entry_data.
9085         (Incremental_inputs_entry_data::data_size): New field.
9086         (Incremental_inputs::report_command_line): New method.
9087         (Incremental_inputs::finalize): New method.
9088         (Incremental_inputs::create_incremental_inputs_data): New method.
9089         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9090         * incremental.h: New file.
9091         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9092        (Layout::finalize): Create incremental inputs section in
9093         incremental builds.
9094        (Layout::create_incremental_info_sections): New method.
9095         * layout.h (Layout::incremental_inputs): New method.
9096        (Layout::create_incremental_info_sections): New method.
9097        (Layout::incremental_inputs_): New field.
9098         * main.cc (main): Notify Incremental_input of the command line.
9099
9100 2009-04-01  Ian Lance Taylor  <iant@google.com>
9101             Mikolaj Zalewski  <mikolajz@google.com>
9102
9103         * gold.h (reserve_unordered_map): Define, three versions, one for
9104         each version of Unordered_map.
9105         * layout.cc (Layout::Layout): Remove options parameter.  Add
9106         number_of_input_files parameter.  Don't initialize options_.
9107         Initialize number_of_input_files_ and resized_signatures_.  Move
9108         sections_are_attached_.
9109         (Layout::layout_group): Reserve space for group_signatures_.
9110         (Layout::find_or_add_kept_section): Change name parameter to be a
9111         reference.  Resize signatures_ map when it gets large enough.
9112         (Layout::layout_eh_frame): Use parameters->options() instead of
9113         this->options_.
9114         (Layout::make_output_section): Likewise.
9115         (Layout::attach_allocated_section_to_segment): Likewise.
9116         (Layout::finalize, Layout::create_executable_stack): Likewise.
9117         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9118         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9119         * layout.h (class Layout): Update declarations.  Remove options_
9120         field.  Add number_of_input_files_ and resized_signatures_
9121         fields.  Move sections_are_attached_ field.
9122         * main.cc (main): Pass number of input files to Layout
9123         constructor.  Don't pass options.
9124
9125 2009-03-30  Ian Lance Taylor  <iant@google.com>
9126
9127         * ffsll.c (ffsll): Correct implementation.
9128
9129 2009-03-27  Ian Lance Taylor  <iant@google.com>
9130
9131         * ffsll.c: New file.
9132         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9133         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9134         * ftruncate.c (ftruncate): Declare before definition.
9135         * mremap.c (mremap): Likewise.
9136         * pread.c (pread): Likewise.
9137         * configure, Makefile.in, config.in: Rebuild.
9138
9139         * mremap.c: New file.
9140         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9141         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9142         (mremap): Declare if HAVE_MREMAP is not defined.
9143         * configure, Makefile.in, config.in: Rebuild.
9144
9145 2009-03-27  Cary Coutant  <ccoutant@google.com>
9146
9147         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9148         position independent.
9149         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9150         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9151
9152 2009-03-24  Cary Coutant  <ccoutant@google.com>
9153
9154         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9155         an executable.
9156         (needs_dynamic_reloc): Likewise.
9157
9158 2009-03-24  Ian Lance Taylor  <iant@google.com>
9159
9160         * yyscript.y (file_cmd): Recognize EXTERN.
9161         (extern_name_list, extern_name_list_body): New nonterminals.
9162         * script.cc (script_add_extern): Define.
9163         * script-c.h (script_add_extern): Declare.
9164
9165 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9166
9167         * object.cc (is_elf_object): Define.
9168         * object.h (is_elf_object): Declare.
9169         * archive.cc (Archive::get_elf_object_for_member): Call
9170         is_elf_object.
9171         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9172
9173 2009-03-24  Elliott Hughes  <enh@google.com>
9174
9175         * output.cc (Output_file::map_anonymous): Define.
9176         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9177         try an anonymous one.  Report the size if the mmap fails.
9178         * output.h (class Output_file): Declare map_anonymous.
9179
9180 2009-03-24  Ian Lance Taylor  <iant@google.com>
9181
9182         * target-select.cc (instantiate_target): Don't acquire the lock if
9183         the instantiated_target_ field has already been set.
9184
9185 2009-03-23  Ian Lance Taylor  <iant@google.com>
9186
9187         * gold-threads.h (class Initialize_lock): Define.
9188         * gold-threads.cc (class Initialize_lock_once): Define.
9189         (initialize_lock_control): New static variable.
9190         (initialize_lock_pointer): New static variable.
9191         (initialize_lock_once): New static function.
9192         (Initialize_lock::Initialize_lock): Define.
9193         (Initialize_lock::initialize): Define.
9194         * target-select.h: Include "gold-threads.h".
9195         (class Target_selector): Add lock_ and initialize_lock_ fields.
9196         Don't define instantiate_target, just declare it.
9197         * target-select.cc (Target_selector::Target_selector): Initialize
9198         new fields.
9199         (Target_selector::instantiate_target): Define.
9200         * descriptors.h: Include "gold-threads.h".
9201         (class Descriptors): Add initialize_lock_ field.
9202         * descriptors.cc (Descriptors::Descriptors): Initialize new
9203         field.
9204         (Descriptors::open): Use initialize_lock_ field
9205         * errors.h (class Errors): Add initialize_lock_ field.
9206         * errors.cc (Errors::Errors): Initialize new field.
9207         (Errors::initialize_lock): Use initialize_lock_ field.
9208         * powerpc.cc (class Target_selector_powerpc): Remove
9209         instantiated_target_ field.  In do_recognize call
9210         instantiate_target rather than do_instantiate_target.  In
9211         do_instantiate_target just allocate a new target.
9212         * sparc.cc (class Target_selector_sparc): Likewise.
9213
9214         * freebsd.h: New file.
9215         * i386.cc: Include "freebsd.h".
9216         (Target_i386): Derive from Target_freebsd rather than
9217         Sized_target.
9218         (Target_selector_i386): Derive from Target_selector_freebsd rather
9219         than Target_selector.
9220         * x86_64.cc: Include "freebsd.h".
9221         (Target_x86_64): Derive from Target_freebsd rather than
9222         Sized_target.
9223         (Target_selector_x86_64): Derive from Target_selector_freebsd
9224         rather than Target_selector.
9225         * target.h (class Target): Add adjust_elf_header and
9226         do_adjust_elf_header.
9227         * output.cc (Output_file_header:: do_sized_write): Call target
9228         adjust_elf_header routine.
9229         * configure.tgt: Set targ_osabi.
9230         * configure.ac: Define GOLD_DEFAULT_OSABI.
9231         * parameters.cc (Parameters::default_target): Pass
9232         GOLD_DEFAULT_OSABI to select_target.
9233         * target-select.h (class Target_selector): Make instantiate_target
9234         protected rather than private.
9235         * Makefile.am (HFILES): Add freebsd.h.
9236         * configure, Makefile.in, config.in: Rebuild.
9237
9238         * merge.cc (do_add_input_section): Correct pend value.  Change
9239         message about last entry not being null terminated from error to
9240         warning.
9241
9242 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9243
9244         * incremental.cc: New file.
9245         * Makefile.am (CCFILES): Add incremental.cc.
9246         * Makefile.in: Rebuild.
9247
9248 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9249
9250         * layout.cc (Layout::output_section_name): Preserve names
9251         of '.note.' sections.
9252
9253 2009-03-19  Ian Lance Taylor  <iant@google.com>
9254
9255         * descriptors.cc (Descriptors::open): Check that the options are
9256         valid before using them.
9257
9258 2009-03-18  Ian Lance Taylor  <iant@google.com>
9259
9260         * script-sections.h: Include <list>.
9261         (class Script_sections): Change Sections_elements from std::vector
9262         to std::list.  Typedef public Elements_iterator.  Add
9263         orphan_section_placement_, data_segment_align_start_, and
9264         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9265         field.
9266         * script-sections.cc (class Orphan_section_placement): New class.
9267         (class Sections_element): Add virtual functions is_relro and
9268         orphan_section_init.  Remove virtual function place_orphan_here.
9269         (class Output_section_definition): Add is_relro and
9270         orphan_section_init.  Remove place_orphan_here.
9271         (class Orphan_output_section): Likewise.
9272         (Script_sections::Script_sections): Update for field changes.
9273         (Script_sections::data_segment_align): Set saw_data_segment_align_
9274         and data_segment_align_start_, not data_segment_align_index.
9275         (Script_sections::data_segment_relro_end): Check
9276         saw_data_segment_align_.  Use data_segment_align_start_ rather
9277         than data_segment_align_index_.
9278         (Script_sections::place_orphan): Rewrite to use
9279         Orphan_section_placement.
9280
9281 2009-03-17  Ian Lance Taylor  <iant@google.com>
9282
9283         * archive.cc (Archive::add_symbols): Check for a version attached
9284         to the symbol name in the archive map.
9285         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9286         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9287         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9288         (ver_test_11.a): New target.
9289         * testsuite/Makefile.in: Rebuild.
9290
9291         * configure.ac: Check for chsize and posix_fallocate.  Replace
9292         ftruncate.
9293         * ftruncate.c: New file, from gnulib.
9294         * output.cc (posix_fallocate): Define dummy version if not
9295         HAVE_POSIX_FALLOCATE.
9296         (Output_file::map): Call posix_fallocate rather than lseek and
9297         write.
9298         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9299         * configure, Makefile.in, config.in: Rebuild.
9300
9301 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9302
9303         * layout.h (Layout::create_note): Add section_name parameter.
9304         * layout.cc (Layout::create_note): Likewise.
9305         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9306
9307 2009-03-17  Ian Lance Taylor  <iant@google.com>
9308
9309         * descriptors.cc: Include "options.h".
9310         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9311         (Descriptors::open): Always use O_CLOEXEC when opening a new
9312         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9313         then set FD_CLOEXEC.
9314
9315         * sparc.cc (class Target_sparc): Add has_got_section.
9316         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9317         make sure we have a GOT section.
9318
9319         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9320         (Target_sparc::Scan::local): Likewise.
9321         (Target_sparc::Scan::global): Likewise.
9322         (Target_sparc::Relocate::relocate): Likewise.
9323         (Target_sparc::Relocate::relocate_tls): Likewise.
9324
9325         * symtab.cc (Symbol_table::define_default_version): New function,
9326         broken out of add_from_object.
9327         (Symbol_table::add_from_object): Call define_default_version.
9328         (Symbol_table::define_special_symbol): Add resolve_oldsym
9329         parameter.  Change all callers.  If the version for a symbol comes
9330         from a version script, resolve it with the symbol with the same
9331         name with no version.  Also add the symbol without a version if
9332         appropriate.
9333         (do_define_in_output_data): If resolving with oldsym, don't delete
9334         sym.
9335         (do_define_in_output_segment): Likewise.
9336         (do_define_as_constant): Likewise.
9337         * symtab.h (class Symbol_table): Update declarations.
9338
9339 2009-03-13  Ian Lance Taylor  <iant@google.com>
9340
9341         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9342         (Read_symbols::requeue): New function.
9343         (Read_symbols::do_read_symbols): If make_elf_object fails because
9344         the target type is not configured, and the file was searched for,
9345         issue a warning and retry with the next directory.
9346         (Add_symbols::run): If the file has an incompatible format, and
9347         it was searched for, requeue the Read_symbols task.  On error,
9348         release the object.
9349         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9350         dirindex parameter to constructor.  Change all callers.  Declare
9351         incompatible_warning and requeue.
9352         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9353         input_argument_ and input_group_ fields.  Add them to
9354         constructor.  Change all callers.
9355         (class Read_script): Add dirindex_ field.  Add it to constructor.
9356         Change all callers.
9357         * archive.cc (Archive::setup): Remove input_objects parameter.
9358         Change all callers.
9359         (Archive::get_file_and_offset): Likewise.
9360         (Archive::read_all_symbols): Likewise.
9361         (Archive::read_symbols): Likewise.
9362         (Archive::get_elf_object_for_member): Remove input_objects
9363         parameter.  Add punconfigured parameter.  Change all callers.
9364         (Archive::add_symbols): Change return type to bool.  Check return
9365         value of include_member.
9366         (Archive::include_all_members): Likewise.
9367         (Archive::include_member): Change return type to bool.  Return
9368         false if first included object has incompatible target.  Set
9369         included_member_ field.
9370         (Add_archive_symbols::run): If add_symbols returns false, requeue
9371         Read_symbols task.
9372         * archive.h (class Archive): Add included_member_ field.
9373         Initialize it in constructor.  Add input_file and searched_for
9374         methods.  Update declarations.
9375         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9376         input_argument_ fields.  Add them to constructor.  Change all
9377         callers.
9378         * script.cc: Include "target-select.h".
9379         (class Parser_closure): Add skip_on_incompatible_target_ and
9380         found_incompatible_target_ fields.  Add
9381         skip_on_incompatible_target parameter to constructor.  Change all
9382         callers.  Add methods skip_on_incompatible_target,
9383         clear_skip_on_incompatible_target, found_incompatible_target, and
9384         set_found_incompatible_target.
9385         (read_input_script): Add dirindex parameter.  Change all callers.
9386         If parser finds an incompatible target, requeue Read_symbols
9387         task.
9388         (script_set_symbol): Clear skip_on_incompatible_target in
9389         closure.
9390         (script_add_assertion, script_parse_option): Likewise.
9391         (script_start_sections, script_add_phdr): Likewise.
9392         (script_check_output_format): New function.
9393         * script.h (read_input_script): Update declaration.
9394         * script-c.h (script_check_output_format): Declare.
9395         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9396         (ignore_cmd): Remove OUTPUT_FORMAT.
9397         * fileread.cc (Input_file::Input_file): Add explicit this.
9398         (Input_file::will_search_for): New function.
9399         (Input_file::open): Add pindex parameter.  Change all callers.
9400         * fileread.h (class Input_file): Add input_file_argument method.
9401         Declare will_search_for.  Update declarations.
9402         * object.cc (make_elf_object): Add punconfigured parameter.
9403         Change all callers.
9404         * object.h (class Object): Make input_file public.  Add
9405         searched_for method.
9406         (make_elf_object): Update declaration.
9407         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9408         restart search.
9409         * dirsearch.h (class Dirsearch): Update declaration.
9410         * options.h (class General_options): Add --warn-search-mismatch.
9411         * parameters.cc (Parameters::is_compatible_target): New function.
9412         * parameters.h (class Parameters): Declare is_compatible_target.
9413         * workqueue.cc (Workqueue::add_blocker): New function.
9414         * workqueue.h (class Workqueue): Declare add_blocker.
9415
9416         * fileread.cc (Input_file::open): Remove options parameter.
9417         Change all callers.
9418         (Input_file::open_binary): Likewise.
9419         * script.cc (read_input_script): Likewise.
9420         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9421         options parameter from constructor.  Change all callers.
9422         (class Read_script): Likewise.
9423         * fileread.h (class Input_file): Update declarations.
9424         * script.h (read_input_script): Update declaration.
9425
9426 2009-03-10  Nick Clifton  <nickc@redhat.com>
9427
9428         * po/es.po: New Spanish translation.
9429
9430 2009-03-06  Cary Coutant  <ccoutant@google.com>
9431
9432         * options.cc (parse_short_option): Keep dash_z from registering itself.
9433
9434 2009-03-03  Ian Lance Taylor  <iant@google.com>
9435
9436         PR 9918
9437         * target-reloc.h (relocate_section): Pass output_section to
9438         relocate.
9439         * i386.cc (Target_i386::should_apply_static_reloc): Add
9440         output_section parameter.  Change all callers.
9441         (Target_i386::Relocate::relocate): Add output_section parameter.
9442         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9443         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9444         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9445         * testsuite/two_file_shared.sh: New script.
9446         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9447         (check_DATA): Add two_file_shared.dbg.
9448         (two_file_shared.dbg): New target.
9449         * testsuite/Makefile.in: Rebuild.
9450
9451 2009-03-01  Ian Lance Taylor  <iant@google.com>
9452
9453         * configure.ac: Check for byteswap.h.
9454         * configure: Rebuild.
9455         * config.in: Rebuild.
9456
9457 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9458
9459         * layout.cc (Layout::find_or_add_kept_section): New function.
9460         (Layout::add_comdat): Removed.
9461         * layout.h (struct Kept_section): Move out of class Layout.
9462         Remove trailing underscores from field names.  Add group_sections
9463         field.  Rename group_ field to is_group.  Change all uses.
9464         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9465         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9466         comdat_groups_ field.
9467         (Sized_relobj::include_section_group): Use
9468         find_or_add_kept_section and Kept_section::group_sections.
9469         (Sized_relobj::include_linkonce_section): Likewise.
9470         * object.cc (class Sized_relobj): Don't define Comdat_group or
9471         Comdat_group_table.  Remove find_comdat_group and
9472         add_comdat_group.  Remove comdat_groups_ field.
9473         * plugin.cc (include_comdat_group): Use
9474         Layout::find_or_add_kept_section.
9475
9476 2009-02-28  Ian Lance Taylor  <iant@google.com>
9477
9478         * README: --gc-sections and map files are now supported.  Document
9479         some build requirements.
9480
9481         PR 6992
9482         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9483         relocatable link set the value of the section symbol to zero.
9484         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9485         relocatable link don't include the section address in the local
9486         symbol value.
9487
9488 2009-02-27  Ian Lance Taylor  <iant@google.com>
9489
9490         PR 6811
9491         * options.h (class Search_directory): Add is_system_directory.
9492         (class General_options): Declare is_in_system_directory.
9493         * options.cc (get_relative_sysroot): Make static.
9494         (get_default_sysroot): Make static.
9495         (General_optoins::is_in_system_directory): New function.
9496         * fileread.cc (Input_file::is_in_system_directory): New function.
9497         * fileread.h (class Input_file): Declare is_in_system_directory.
9498         * object.h (class Object): Add is_in_system_directory.
9499         (class Input_objects): Remove system_library_directory_ field.
9500         * object.cc (Input_objects::add_object): Don't set
9501         system_library_directory_.
9502         (input_objects::found_in_system_library_directory): Remove.
9503         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9504         parameter.  Change all callers.
9505         (Symbol_table::sized_write_globals): Likewise.
9506         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9507         Call Object::is_in_system_directory.
9508         * symtab.h (class Symbol_table): Update declarations.
9509
9510         PR 5990
9511         * descriptors.h (Open_descriptor): Add is_on_stack field.
9512         * descriptors.cc (Descriptors::open): If the descriptor is on the
9513         top of the stack, remove it.  Initialize is_on_stack field.
9514         (Descriptors::release): Only add pod to stack if it is not on the
9515         stack already.
9516         (Descriptors::close_some_descriptor): Clear stack_next and
9517         is_on_stack fields.
9518
9519         PR 7091
9520         * output.cc (Output_section::find_starting_output_address): Rename
9521         from starting_output_address; add PADDR parameter; change return
9522         type.
9523         * output.h (class Output_section): Declare
9524         find_starting_output_address instead of starting_output_address.
9525         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9526         section symbol for which we can't find a merge section.
9527
9528         PR 9836
9529         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9530         hidden or internal, force the symbol to be local.
9531         * resolve.cc (Symbol::override_visibility): Define.
9532         (Symbol::override_base): Use override_visibility.
9533         (Symbol_table::resolve): Likewise.
9534         (Symbol::override_base_with_special): Likewise.
9535         (Symbol_table::override_with_special): If the visibility is hidden
9536         or internal, force the symbol to be local.
9537         * symtab.h (class Symbol): Add set_visibility and
9538         override_visibility.
9539         * testsuite/ver_test_1.sh: New file.
9540         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9541         (check_DATA): Add ver_test_1.syms.
9542         (ver_test_1.syms): New target.
9543         * testsuite/Makefile.in: Rebuild.
9544
9545 2009-02-25  Cary Coutant  <ccoutant@google.com>
9546
9547         * layout.cc (Layout::choose_output_section): Don't rename sections
9548         when using a linker script that has a SECTIONS clause.
9549         * Makefile.in: Regenerate.
9550
9551         * testsuite/Makefile.am (script_test_5.sh): New test case.
9552         * testsuite/Makefile.in: Regenerate.
9553         * testsuite/script_test_5.cc: New file.
9554         * testsuite/script_test_5.sh: New file.
9555         * testsuite/script_test_5.t: New file.
9556
9557 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9558
9559         * archive.cc (Archive::include_member): Update calls to add_symbols.
9560         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9561         the Layout argument.
9562         * dynobj.h (do_add_symbols): Add the Layout argument.
9563         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9564         Layout argument.
9565         * object.h (Object::add_symbols): Add the Layout argument.
9566         (Object::do_add_symbols): Add the Layout argument.
9567         (Sized_relobj::do_add_symbols): Add the Layout argument.
9568         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9569         Unify the two versions.
9570         (Add_plugin_symbols): Remove.
9571         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9572         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9573         (Add_plugin_symbols): Remove.
9574         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9575         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9576         (Add_symbols::run): Make it work with Pulginobj.
9577
9578 2009-02-06  Ian Lance Taylor  <iant@google.com>
9579
9580         * object.cc (Sized_relobj::do_layout): Make info message start
9581         with lower case letter.
9582
9583 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9584
9585         * binary.cc: Fix file comment.
9586
9587         * options.h (enum Incremental_disposition): Define.
9588         (class General_options): Add new options: --incremental,
9589         --incremental_changed, --incremental_unchanged,
9590         --incremental_unknown.  Add incremental_disposition_ and
9591         implicit_incremental_ fields.
9592         (General_options::incremental_disposition): New function.
9593         (class Position_dependent_options): Add incremental_disposition
9594         option.
9595         (Position_dependent_options::copy_from_options): Set incremental
9596         dispositions.
9597         * options.cc (General_options::parse_incremental_changed): New
9598         function.
9599         (General_options::parse_incremental_unchanged): New function.
9600         (General_options::parse_incremental_unknown): New function.
9601         (General_options::General_options): Initialize new fields
9602         incremental_disposition_ and implicit_incremental_.
9603         (General_options::finalize): Check for uasge of --incremental-*
9604         without --incremental.
9605
9606 2009-02-06  Chris Demetriou  <cgd@google.com>
9607
9608         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9609         pointer and to report location as the file name associated with
9610         the symbol.
9611         (gold_undefined_symbol_at_location): New function to replace the
9612         old gold_undefined_symbol functionality.
9613         * target-reloc.h (relocate_section): Update to use
9614         gold_undefined_symbol_at_location.
9615         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9616         Call gold_undefined_symbol function rather than gold_error.
9617         * errors.h (Errors::undefined_symbol): Take location as a
9618         string, rather than calculating it from a relocation.
9619         * errors.cc (Errors::fatal): Print "fatal error:" before the
9620         formatted message.
9621         (Errors::error, Errors::error_at_location): Print "error: "
9622         before the formatted message.
9623         (Errors::undefined_symbol): Take location as a string, rather
9624         than calculating it from a relocation.
9625         (gold_undefined_symbol_at_location): New function akin to
9626         old gold_undefined_symbol, calculates location from relocation.
9627         (gold_undefined_symbol): Change to take only a Symbol pointer
9628         and to report location as the file name associated with the symbol.
9629         * testsuite/debug_msg.sh: Update for changed error messages.
9630         * testsuite/undef_symbol.sh: Likewise.
9631
9632 2009-02-04  Duncan Sands  <baldrick@free.fr>
9633
9634         PR 9812
9635         * reduced_debug_output.h
9636         (Output_reduced_debug_abbrev_section::failed): Use format for
9637         gold_warning.
9638         (Output_reduced_debug_info_section::faild): Likewise.
9639
9640 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9641
9642         * script.cc (Lazy_demangler): New class.
9643         (Version_script_info::get_symbol_version_helper): Demangle a
9644         symbol only once.
9645
9646 2009-01-29  Cary Coutant  <ccoutant@google.com>
9647
9648         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9649         to __tls_get_addr.
9650         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9651
9652 2009-01-28  Ian Lance Taylor  <iant@google.com>
9653
9654         * version.cc (version_string): Bump to 1.9.
9655
9656         * gold.h: Include <cstring> and <stdint.h>.
9657         * version.cc: Include <cstdio>.
9658         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9659         warning.
9660         * reduced_debug_output.cc (insert_into_vector): Rename from
9661         Insert_into_vector; change all callers.  Use Swap_unaligned to
9662         avoid aliasing issue; remove union since it is unnecessary.
9663
9664 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9665
9666         * Makefile.am (CCFILES): Add gc.cc.
9667         (HFILES): Add gc.h.
9668         * Makefile.in: Regenerate.
9669         * gold.cc (Gc_runner): New class.
9670         (queue_initial_tasks): Call garbage collection related tasks
9671         when corresponding options are invoked.
9672         (queue_middle_gc_tasks): New function.
9673         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9674         processed early before laying out sections during garbage collection.
9675         * gold.h (queue_middle_gc_tasks): New function.
9676         (is_prefix_of): Move from "layout.cc".
9677         * i386.cc (Target_i386::gc_process_relocs): New function.
9678         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9679         * main.cc (main): Create object of class "Garbage_collection".
9680         * object.cc (Relobj::copy_symbols_data): New function.
9681         (Relobj::is_section_name_included): New function.
9682         (Sized_relobj::do_layout): Allow this function to be called twice
9683         during garbage collection and defer layout of section during the
9684         first call.
9685         * object.h (Relobj::get_symbols_data): New function.
9686         (Relobj::is_section_name_included): New function.
9687         (Relobj::copy_symbols_data): New function.
9688         (Relobj::set_symbols_data): New function.
9689         (Relobj::get_relocs_data): New function.
9690         (Relobj::set_relocs_data): New function.
9691         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9692         (Relobj::gc_process_relocs): New function.
9693         (Relobj::do_gc_process_relocs): New pure virtual function.
9694         (Relobj::sd_): New data member.
9695         (Sized_relobj::is_output_section_offset_invalid): New function.
9696         (Sized_relobj::do_gc_process_relocs): New function.
9697         * options.h (General_options::gc_sections): Modify to not be a no-op.
9698         (General_options::print_gc_sections): New option.
9699         * plugin.cc (Plugin_finish::run): Remove function call to
9700         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9701         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9702         * reloc.cc (Read_relocs::run): Add task to process relocs and
9703         determine unreferenced sections when doing garbage collection.
9704         (Gc_process_relocs): New class.
9705         (Sized_relobj::do_gc_process_relocs): New function.
9706         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9707         sections that are garbage collected.
9708         * reloc.h (Gc_process_relocs): New class.
9709         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9710         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9711         symbols whose corresponding sections are garbage collected.
9712         (Symbol_table::Symbol_table): Add new parameter for the garbage
9713         collection object.
9714         (Symbol_table::gc_mark_undef_symbols): New function.
9715         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9716         (Symbol_table::gc_mark_dyn_syms): New function.
9717         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9718         as garbage.
9719         (Symbol_table::add_from_object): Likewise.
9720         (Symbol_table::add_from_relobj): When building shared objects, do not
9721         treat externally visible symbols as garbage.
9722         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9723         table information for static and relocatable links.
9724         * symtab.h (Symbol_table::set_gc): New function.
9725         (Symbol_table::gc): New function.
9726         (Symbol_table::gc_mark_undef_symbols): New function.
9727         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9728         (Symbol_table::gc_mark_dyn_syms): New function.
9729         (Symbol_table::gc_): New data member.
9730         * target.h (Sized_target::gc_process_relocs): New pure virtual
9731         function.
9732         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9733         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9734
9735 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9736
9737         * options.h (General_options::gc_sections): Define as a no-op for now.
9738         (General_options::no_keep_memory): Ditto.
9739         (General_options::Bshareable): Define.
9740         * options.cc (General_options::finalize): Honor -Bshareable.
9741
9742 2009-01-20  Andreas Schwab  <schwab@suse.de>
9743
9744         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9745         read the value in the contents, since we don't use it.  Use the
9746         template endianness when writing.
9747         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9748
9749 2009-01-19  Andreas Schwab  <schwab@suse.de>
9750
9751         * configure.tgt (powerpc64-*): Fix targ_obj.
9752
9753 2009-01-15  Ian Lance Taylor  <iant@google.com>
9754
9755         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9756         local symbols when stripping all symbols.
9757
9758 2009-01-14  Cary Coutant  <ccoutant@google.com>
9759
9760         * output.cc (Output_reloc): Add explicit instantiations.
9761
9762 2009-01-14  Cary Coutant  <ccoutant@google.com>
9763
9764         * archive.cc (Archive::get_elf_object_for_member): Remove call
9765         to File_read::claim_for_plugin.
9766         * descriptors.cc (Descriptors::open): Remove reference to
9767         is_claimed.
9768         (Descriptors::claim_for_plugin): Remove.
9769         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9770         (Descriptors::is_claimed): Remove.
9771         (claim_descriptor_for_plugin): Remove.
9772         * fileread.cc (File_read::claim_for_plugin): Remove.
9773         * fileread.h (File_read::claim_for_plugin): Remove.
9774         (File_read::descriptor): Reopen descriptor if necessary.
9775         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9776         (Plugin_manager::all_symbols_read): Add task parameter. Change
9777         all callers.
9778         (Plugin_manager::get_input_file): New function.
9779         (Plugin_manager::release_input_file): New function.
9780         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9781         corresponding data member.
9782         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9783         and pass to base constructor. Change all callers.
9784         (get_input_file, release_input_file): New functions.
9785         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9786         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9787         (Plugin_manager::all_symbols_read): Add task parameter.
9788         (Plugin_manager::get_input_file): New function.
9789         (Plugin_manager::release_input_file): New function.
9790         (Plugin_manager::task_): New data member.
9791         (Pluginobj::Pluginobj): Add filesize parameter.
9792         (Pluginobj::filename): New function.
9793         (Pluginobj::descriptor): New function.
9794         (Pluginobj::filesize): New function.
9795         (Pluginobj::filesize_): New data member.
9796         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9797         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9798         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9799
9800         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9801         with archive libraries.
9802         * testsuite/Makefile.in: Regenerate.
9803         * testsuite/plugin_test.c (struct sym_info): New type.
9804         (get_input_file, release_input_file): New static variables.
9805         (onload): Capture new transfer vector entries.
9806         (claim_file_hook): Stop reading at end of file according to filesize.
9807         Factor out parsing of readelf output into separate function.
9808         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9809         APIs and get the source file name from the symbol table.  Convert
9810         source file name to corresponding object file name.  Print info
9811         message when adding new input files.
9812         (parse_readelf_line): New function.
9813         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9814         * testsuite/plugin_test_2.sh: Likewise.
9815         * testsuite/plugin_test_3.sh: Likewise.
9816         * testsuite/plugin_test_4.sh: New test case.
9817
9818 2009-01-07  Ian Lance Taylor  <iant@google.com>
9819
9820         * version.cc (version_string): Bump to 1.8.
9821
9822 2008-12-23  Cary Coutant  <ccoutant@google.com>
9823
9824         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9825         * plugin.cc (Plugin_manager::finish): Rename as
9826         layout_deferred_objects.  Move cleanup to separate function.
9827         (Plugin_manager::cleanup): New function.
9828         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9829         separately.
9830         * plugin.h (Plugin_manager::finish): Rename as
9831         layout_deferred_objects.
9832         (Plugin_manager::cleanup): New function.
9833         (Plugin_manager::cleanup_done): New field.
9834
9835 2008-12-23  Cary Coutant  <ccoutant@google.com>
9836
9837         * plugin.cc (is_visible_from_outside): New function.
9838         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9839         so we don't return "IR only" status for exported symbols or -r links.
9840
9841         * testsuite/Makefile.am (plugin_test_3): New test case.
9842         * testsuite/Makefile.in: Regenerate.
9843         * testsuite/plugin_test_3.sh: New file.
9844
9845 2008-12-22  Cary Coutant  <ccoutant@google.com>
9846
9847         * object.cc (Sized_relobj::layout_section): New function.
9848         (Sized_relobj::do_layout): Defer layout of input sections until after
9849         plugin has provided replacement files.
9850         (Sized_relobj::do_layout_deferred_sections): New function.
9851         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9852         (Relobj::layout_deferred_sections): New function.
9853         (Relobj::do_layout_deferred_sections): New function.
9854         (Sized_relobj::do_layout_deferred_sections): New function.
9855         (Sized_relobj::layout_section): New function.
9856         (Sized_relobj::Deferred_layout): New structure.
9857         (Sized_relobj::deferred_layout_): New field.
9858         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9859         Change all callers.  Layout deferred sections.
9860         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9861         references.
9862         (Plugin_hook::run): Move code from do_plugin_hook inline.
9863         (Plugin_hook::do_plugin_hook): Remove.
9864         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9865         (Plugin_manager::finish): Renamed, was cleanup.
9866         (Plugin_manager::should_defer_layout): New function.
9867         (Plugin_manager::add_deferred_layout_object): New function.
9868         (Plugin_manager::Deferred_layout_list): New type.
9869         (Plugin_manager::deferred_layout_objects_): New field.
9870         (Plugin_hook::do_plugin_hook): Remove.
9871
9872 2008-12-17  Ian Lance Taylor  <iant@google.com>
9873
9874         * options.h (class General_options): Add --no case for
9875         --export-dynamic.
9876
9877 2008-12-16  Cary Coutant  <ccoutant@google.com>
9878
9879         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9880         vector.
9881         (Plugin_manager::claim_file): Create plugin object even if
9882         plugin did not call the add_symbols callback.
9883         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9884         asking for more symbols than were added.
9885         * testsuite/Makefile.am (plugin_test_1): Add test case with
9886         no global symbols.
9887         (empty.syms): New target.
9888         * testsuite/Makefile.in: Regenerate.
9889         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9890         message. Don't call add_symbols if no globals.
9891         (all_symbols_read_hook): Don't provide replacement for empty
9892         claimed file.
9893
9894 2008-12-12  Ian Lance Taylor  <iant@google.com>
9895
9896         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9897         r_type == 0 for a local symbol with r_sym == 0.
9898         (scan_relocatable_relocs): Pass r_sym to
9899         local_non_section_strategy.
9900         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9901         r_sym parameter.
9902
9903         * configure.ac: Update test for TLS descriptors: they are
9904         supported as of glibc 2.9.
9905         * configure: Rebuild.
9906
9907 2008-12-11  Ian Lance Taylor  <iant@google.com>
9908
9909         PR 7091
9910         * target-reloc.h (Default_scan_relocatable_relocs): For each
9911         function, map r_type == 0 to RELOC_DISCARD.
9912
9913 2008-12-10  Cary Coutant  <ccoutant@google.com>
9914
9915         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9916         object to override a kept COMDAT group from a plugin object.
9917
9918 2008-12-09  Ian Lance Taylor  <iant@google.com>
9919
9920         PR 7088
9921         * yyscript.y (file_cmd): Handle INPUT.
9922
9923         * testsuite/initpri1.c: Change all declarations to be full
9924         prototypes by adding void, to avoid compiler warnings.
9925
9926 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9927
9928         * options.cc (General_options::parse_plugin_opt): New.
9929         (General_options::add_plugin): The argument now is just the filename.
9930         (General_options::add_plugin_option): New.
9931         * options.h (plugin_opt): New.
9932         (add_plugin): Change argument name.
9933         (add_plugin_option): New.
9934         * plugin.cc (Plugin::load): Don't parse the plugin option.
9935         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9936         (Plugin::add_option): New.
9937         (Plugin::args_): Change type.
9938         (Plugin::filename_): New.
9939         (Plugin_manager::add_plugin_option): New.
9940         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9941         * testsuite/Makefile.in: Regenerate.
9942
9943 2008-12-05  Cary Coutant  <ccoutant@google.com>
9944
9945         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9946         Handle --strip-lto-sections option.
9947         * options.h (strip_lto_sections): New option.
9948
9949 2008-12-01  Cary Coutant  <ccoutant@google.com>
9950
9951         * plugin.cc (ld_plugin_message): Change format parameter to const.
9952         Fix mismatch between new[] and delete.
9953
9954 2008-11-14  Cary Coutant  <ccoutant@google.com>
9955
9956         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9957         instead of -1U.
9958
9959 2008-11-05  Craig Silverstein  <csilvers@google.com>
9960
9961         * options.cc (General_options::parse_dynamic_list): New function.
9962         * options.h (General_options): New flags dynamic_list,
9963         dynamic_list_data, dynamic_list_cpp_new, and
9964         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9965         (General_options::in_dynamic_list): New function.
9966         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9967         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9968         (Lex::can_continue_name): Likewise.
9969         (yylex): Likewise.
9970         (read_script_file): New parameter script_options.
9971         (read_dynamic_list): New function.
9972         (Script_options::define_dynamic_list): New function.
9973         (dynamic_list_keyword_parsecodes): New variable.
9974         (dynamic_list_keywords): New variable.
9975         * script.h (Script_options::define_dynamic_list): New function
9976         prototype.
9977         (read_dynamic_list): New function prototype.
9978         * symtab.cc (strprefix): New macro.
9979         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9980         dynamic_list_data, dynamic_list_cpp_new, and
9981         dynamic_list_cpp_typeinfo.
9982         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9983         (dynamic_list_expr): New rule.
9984         (dynamic_list_nodes): Likewise.
9985         (dynamic_list_node): Likewise.
9986         * testsuite/Makefile.am (dynamic_list): New test.
9987         * testsuite/Makefile.in: Regenerated.
9988         * testsuite/dynamic_list.t: New file.
9989         * testsuite/dynamic_list.sh: New file.
9990
9991 2008-11-05  Craig Silverstein  <csilvers@google.com>
9992
9993         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9994         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9995         (t11_last): Likewise.
9996         * testsuite/ver_test_6.c (main): Likewise.
9997
9998 2008-10-07  Cary Coutant  <ccoutant@google.com>
9999
10000         * options.c (General_options::finalize): Add check for -static and
10001         -shared.
10002         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10003         is not empty.
10004
10005 2008-10-02  Cary Coutant  <ccoutant@google.com>
10006
10007         * plugin.cc (make_sized_plugin_object): Fix conditional
10008         compilation to work when not all targets are enabled.
10009
10010 2008-09-29  Cary Coutant  <ccoutant@google.com>
10011
10012         * archive.cc (Archive::get_file_and_offset): Use filename instead
10013         of name to get library path.
10014         (Archive::include_member): Unlock external member of a thin archive.
10015
10016         * testsuite/Makefile.am (TEST_AR): New variable.
10017         (thin_archive_test_1): New test.
10018         (thin_archive_test_2): New test.
10019         * testsuite/Makefile.in: Regenerate.
10020         * testsuite/thin_archive_main.cc: New file.
10021         * testsuite/thin_archive_test_1.cc: New file.
10022         * testsuite/thin_archive_test_2.cc: New file.
10023         * testsuite/thin_archive_test_3.cc: New file.
10024         * testsuite/thin_archive_test_4.cc: New file.
10025
10026 2008-09-29  Cary Coutant  <ccoutant@google.com>
10027
10028         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10029         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10030         instead of -1U.
10031         (Sized_relobj::do_finalize_local_symbols): Likewise.
10032         (Sized_relobj::map_to_kept_section): Likewise.
10033         * object.h (Sized_relobj::invalid_address): New constant.
10034         (Sized_relobj::do_output_section_offset): Check for invalid_address
10035         and return -1ULL.
10036         * output.cc (Output_reloc::local_section_offset): Use constant
10037         invalid_address instead of -1U.
10038         (Output_reloc::get_address): Likewise.
10039         (Output_section::output_address): Change -1U to -1ULL.
10040         * output.h (Output_reloc::invalid_address): New constant.
10041         * reloc.cc (Sized_relobj::write_sections): Use constant
10042         invalid_address instead of -1U.
10043         (Sized_relobj::relocate_sections): Likewise.
10044         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10045         values for merge sections.
10046         * target-reloc.h (relocate_for_relocatable): Use constant
10047         invalid_address instead of -1U.
10048
10049 2008-09-19  Cary Coutant  <ccoutant@google.com>
10050
10051         Add plugin functionality for link-time optimization (LTO).
10052         * configure.ac (plugins): Add --enable-plugins option.
10053         * configure: Regenerate.
10054         * config.in: Regenerate.
10055         * Makefile.am (LIBDL): New variable.
10056         (CCFILES): Add plugin.cc.
10057         (HFILES): Add plugin.h.
10058         (ldadd_var): Add LIBDL.
10059         * Makefile.in: Regenerate.
10060
10061         * archive.cc: Include "plugin.h".
10062         (Archive::setup): Don't preread archive symbols when using a plugin.
10063         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10064         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10065         files.
10066         (Archive::include_member): Add symbols from plugin objects.
10067         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10068         * descriptors.cc (Descriptors::open): Check for file descriptors
10069         abandoned by plugins.
10070         (Descriptors::claim_for_plugin): New function.
10071         * descriptors.h (Descriptors::claim_for_plugin): New function.
10072         (Open_descriptor::is_claimed): New field.
10073         (claim_descriptor_for_plugin): New function.
10074         * fileread.cc (File_read::claim_for_plugin): New function.
10075         * fileread.h (File_read::claim_for_plugin): New function.
10076         (File_read::descriptor): New function.
10077         * gold.cc: Include "plugin.h".
10078         (queue_initial_tasks): Add task to call plugin hooks for generating
10079         new object files.
10080         * main.cc: Include "plugin.h".
10081         (main): Load plugin libraries.
10082         * object.h (Pluginobj): Declare.
10083         (Object::pluginobj): New function.
10084         (Object::do_pluginobj): New function.
10085         (Object::set_target): New function.
10086         * options.cc: Include "plugin.h".
10087         (General_options::parse_plugin): New function.
10088         (General_options::General_options): Initialize plugins_ field.
10089         (General_options::add_plugin): New function.
10090         * options.h (Plugin_manager): Declare.
10091         (General_options): Add --plugin option.
10092         (General_options::has_plugins): New function.
10093         (General_options::plugins): New function.
10094         (General_options::add_plugin): New function.
10095         (General_options::plugins_): New field.
10096         * plugin.cc: New file.
10097         * plugin.h: New file.
10098         * readsyms.cc: Include "plugin.h".
10099         (Read_symbols::do_read_symbols): Check for archive before checking
10100         for ELF file.  Call plugin hooks to claim files.
10101         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10102         from a real object file; force override when processing replacement
10103         files.
10104         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10105         (Symbol::init_base_object): Likewise.
10106         (Symbol::init_base_output_data): Likewise.
10107         (Symbol::init_base_output_segment): Likewise.
10108         (Symbol::init_base_constant): Likewise.
10109         (Symbol::init_base_undefined): Likewise.
10110         (Symbol::output_section): Assert that object is not a plugin.
10111         (Symbol_table::add_from_pluginobj): New function.
10112         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10113         undefined.
10114         (Symbol_table::sized_write_globals): Likewise.
10115         (Symbol_table::add_from_pluginobj): Instantiate template.
10116         * symtab.h (Sized_pluginobj): Declare.
10117         (Symbol::in_real_elf): New function.
10118         (Symbol::set_in_real_elf): New function.
10119         (Symbol::in_real_elf_): New field.
10120         (Symbol_table::add_from_pluginobj): New function.
10121
10122         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10123         (LIBDL): New variable.
10124         (LDADD): Add LIBDL.
10125         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10126         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10127         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10128         (MOSTLYCLEANFILES): Likewise.
10129         * testsuite/Makefile.in: Regenerate.
10130         * testsuite/plugin_test.c: New file.
10131         * testsuite/plugin_test_1.sh: New file.
10132         * testsuite/plugin_test_2.sh: New file.
10133
10134 2008-09-16  Ian Lance Taylor  <iant@google.com>
10135
10136         * target-reloc.h (relocate_section): Check whether a symbol is
10137         defined by the ABI before reporting an undefined symbol error.
10138         * target.h (Target::is_defined_by_abi): Make parameter const.
10139         (Target::do_is_defined_by_abi): Likewise.
10140         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10141         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10142         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10143         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10144         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10145         * testsuite/Makefile.in: Rebuild.
10146
10147         * fileread.cc (make_view): Add casts to avoid warning.
10148
10149 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10150
10151         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10152         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10153
10154 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10155
10156         * options.h (General_options::output_is_executable): New.
10157         (General_options::output_is_pie): New.
10158         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10159         for shared libraries.
10160         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10161
10162 2008-09-11  Chris Demetriou  <cgd@google.com>
10163
10164         * options.h (origin): New -z option.
10165         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10166         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10167         in DT_FLAGS_1.
10168
10169 2008-09-05  Cary Coutant  <ccoutant@google.com>
10170
10171         * fileread.cc (File_read::make_view): Add check for attempt to map
10172         beyond end of file.
10173
10174 2008-09-05  Cary Coutant  <ccoutant@google.com>
10175
10176         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10177         explicit instantiations.
10178
10179 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10180
10181         PR gold/6858
10182         * options.cc (General_options::finalize): Allow undefined symbols
10183         in shlibs if linking -shared.
10184
10185         PR gold/6859
10186         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10187         symbols as not needing a dynsym entry.
10188
10189 2008-08-20  Craig Silverstein  <csilvers@google.com>
10190
10191         * fileread.cc (File_read::open): Do not lock the file unless it
10192         was successfully opened.
10193
10194 2008-08-14  Cary Coutant  <ccoutant@google.com>
10195
10196         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10197         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10198         * testsuite/tls_test.cc (struct int128): 128-bit struct
10199         for testing TLS relocs with non-zero addend.
10200         (v12): New TLS variable.
10201         (t12): New test.
10202         (t_last): Add check for v12.
10203         * testsuite/tls_test.h (t12): New function.
10204         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10205
10206 2008-08-13  Ian Lance Taylor  <iant@google.com>
10207
10208         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10209         set tls_segment_ or relro_segment_.
10210         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10211         when appropriate.
10212         * output.h (Output_section::clear_is_relro): New function.
10213         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10214         sections specially even when output_data_ is empty.
10215         (Output_segment::maximum_alignment): When first section is relro,
10216         only force alignment for PT_LOAD segments.
10217         * script.cc (script_data_segment_align): New function.
10218         (script_data_segment_relro_end): New function.
10219         * script-c.h (script_data_segment_align): Declare.
10220         (script_data_segment_relro_end): Declare.
10221         * script-sections.h (class Script_sections): Declare
10222         data_segment_align and data_segment_relro_end.  Add fields
10223         segment_align_index_ and saw_relro_end_.
10224         * script-sections.cc (class Sections_element): Add set_is_relro
10225         virtual function.  Add new bool* parameter to place_orphan_here.
10226         Add get_output_section virtual function.
10227         (class Output_section_definition): Add set_is_relro.  Add new
10228         bool* parameter to place_orphan_here.  Add get_output_section.
10229         Add is_relro_ field.
10230         (Output_section_definition::Output_section_definition): Initialize
10231         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10232         and is_relro_ fields.
10233         (Output_section_definition::place_orphan_here): Add is_relro
10234         parameter.
10235         (Output_section_definition::set_section_addresses): Set relro for
10236         output section.
10237         (Output_section_definition::alternate_constraint): Likewise.
10238         (class Orphan_output_section): Add new bool* parameter to
10239         place_orphan_here.  Add get_output_section.
10240         (Orphan_output_section::place_orphan_here): Add is_relro
10241         parameter.
10242         (Script_sections::Script_sections): Initialize
10243         data_segment_align_index_ and saw_relro_end_.
10244         (Script_sections::data_segment_align): New function.
10245         (Script_sections::data_segment_relro_end): New function.
10246         (Script_sections::place_orphan): Set or clear is_relro.
10247         (Script_sections::set_section_addresses): Force alignment of first
10248         TLS section.
10249         * yyscript.y (exp): Call script_data_segment_align and
10250         script_data_segment_relro_end.
10251         * testsuite/relro_script_test.t: New file.
10252         * testsuite/relro_test.cc (using_script): Declare.
10253         (t1, t2): Test using_script.
10254         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10255         (relro_script_test_SOURCES): Define.
10256         (relro_script_test_DEPENDENCIES): Define.
10257         (relro_script_test_LDFLAGS): Define.
10258         (relro_script_test_LDADD): Define.
10259         (relro_script_test.so): New target.
10260         * testsuite/Makefile.in: Rebuild.
10261
10262 2008-08-06  Cary Coutant <ccoutant@google.com>
10263
10264         * archive.cc (Archive::total_archives, Archive::total_members)
10265         (Archive::total_members_loaded): New variables.
10266         (Archive::setup): Add parameter.  Add option to preread
10267         archive symbols.
10268         (Archive::read_armap): Add counter.
10269         (Archive::get_file_and_offset): New function.
10270         (Archive::get_elf_object_for_member): New function.
10271         (Archive::read_all_symbols): New function.
10272         (Archive::read_symbols): New function.
10273         (Archive::add_symbols): Add counters.
10274         (Archive::include_all_members): Use armap to find members if it's
10275         already built.
10276         (Archive::include_member): Skip reading symbols if already read.
10277         Factored code into Archive::get_file_and_offset and
10278         Archive::get_elf_object_for_member.  Changed call to
10279         Mapfile::report_include_archive_member.
10280         (Archive::print_stats): New function.
10281         * archive.h: Declare Object and Read_symbols_data classes.
10282         (Archive::Archive): Add initializers for new members.
10283         (Archive::setup): Add parameter.
10284         (Archive::print_stats): New function.
10285         (Archive::total_archives, Archive::total_members)
10286         (Archive::total_members_loaded): New variables.
10287         (Archive::get_file_and_offset): New function.
10288         (Archive::get_elf_object_for_member): New function.
10289         (Archive::read_all_symbols): New function.
10290         (Archive::read_symbols): New function.
10291         (Archive::Archive_member): New class.
10292         (Archive::members_): New member.
10293         (Archive::num_members_): New member.
10294         * main.cc: Include archive.h.
10295         (main): Call Archive::print_stats.
10296         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10297         archive parameter; member_name is now the fully-decorated name.
10298         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10299         * options.h: (General_options): Add --preread-archive-symbols option.
10300         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10301         Archive::setup.
10302
10303 2008-08-04  Ian Lance Taylor  <iant@google.com>
10304
10305         * symtab.h (Symbol::use_plt_offset): New function.
10306         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10307         * powerpc.cc (Relocate::relocate): Likewise.
10308         * sparc.cc (Relocate::relocate): Likewise.
10309         * x86_64.cc (Relocate::relocate): Likewise.
10310         * testsuite/weak_plt.sh: New test.
10311         * testsuite/weak_plt_main.cc: New test.
10312         * testsuite/weak_plt_shared.cc: New test.
10313         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10314         (check_PROGRAMS): Add weak_plt.
10315         (check_DATA): Add weak_plt_shared.so.
10316         (weak_plt_main_pic.o, weak_plt): New targets.
10317         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10318         * testsuite/Makefile.in: Rebuild.
10319
10320         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10321         gcctestdir/ld.
10322         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10323         * testsuite/Makefile.in: Rebuild.
10324
10325 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10326
10327         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10328         * Makefile.in: Regenerate.
10329         * po/POTFILES.in: Regenerate.
10330
10331 2008-07-29  Ian Lance Taylor  <iant@google.com>
10332
10333         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10334         symbols before other symbols.
10335         * testsuite/script_test_2.cc (test_addr): Declare.
10336         (test_addr_alias): Declare.
10337         (main): Check that test_addr and test_addr_alias have the right
10338         values.
10339         * testsuite/script_test_2.t: Define test_addr_alias and
10340         test_addr.
10341
10342 2008-07-24  Ian Lance Taylor  <iant@google.com>
10343
10344         PR 5990
10345         * descriptors.cc: New file.
10346         * descriptors.h: New file.
10347         * gold-threads.h (class Hold_optional_lock): New class.
10348         * fileread.cc: Include "descriptors.h".
10349         (File_read::~File_read): Release descriptor rather than closing
10350         it.
10351         (File_read::open) [file]: Call open_descriptor rather than open.
10352         Set is_descriptor_opened_.
10353         (File_read::open) [memory]: Assert that descriptor is not open.
10354         (File_read::reopen_descriptor): New function.
10355         (File_read::release): Release descriptor.
10356         (File_read::do_read): Make non-const.  Reopen descriptor.
10357         (File_read::read): Make non-const.
10358         (File_read::make_view): Reopen descriptor.
10359         (File_read::do_readv): Likewise.
10360         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10361         Update declarations.
10362         * layout.cc: Include "descriptors.h".
10363         (Layout::create_build_id): Use open_descriptor rather than open.
10364         * output.cc: Include "descriptors.h".
10365         (Output_file::open): Use open_descriptor rather than open.
10366         * archive.cc (Archive::const_iterator): Change Archive to be
10367         non-const.
10368         (Archive::begin, Archive::end): Make non-const.
10369         (Archive::count_members): Likewise.
10370         * archive.h (class Archive): Update declarations.
10371         * object.h (Object::read): Make non-const.
10372         * Makefile.am (CCFILES): Add descriptors.cc.
10373         (HFILES): Add descriptors.h.
10374         * Makefile.in: Rebuild.
10375
10376         PR 6716
10377         * gold.h: Always include <clocale>.  Add Solaris workarounds
10378         following code in binutils/sysdep.h.
10379
10380         PR 6048
10381         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10382         this->eh_frame_hdr_ is NULL before using it.
10383
10384         * dynobj.cc (Versions::Versions): Update comment.
10385
10386         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10387         the base version name.
10388
10389         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10390         array size plus one.
10391         (Stringpool_template::set_string_offsets): Subtract one from key
10392         before using it as an array index.
10393         (Stringpool_template::get_offset_with_length): Likewise.
10394         (Stringpool_template::write_to_buffer): Likewise.
10395         * stringpool.h (Stringpool_template::get_offset_from_key):
10396         Likewise.
10397
10398 2008-07-23  Ian Lance Taylor  <iant@google.com>
10399
10400         PR 6658
10401         * object.h (Merged_symbol_value::value): Do our best to handle a
10402         negative addend.
10403
10404         PR 6647
10405         * script.cc (Version_script_info::get_versions): Don't add empty
10406         version tag to return value.
10407         (Version_script_info::get_symbol_version_helper): Change return
10408         type to bool.  Add pversion parameter.  Change all callers.
10409         (script_register_vers_node): Don't require a non-NULL tag.
10410         * script.h (class Version_script_info): Update declarations.
10411         (Version_script_info::get_symbol_version): Change return type to
10412         bool.  Add version parameter.  Change all callers.
10413         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10414         handling.  Handle an empty version from a version script.
10415         (Symbol_table::define_special_symbol): Likewise.
10416         * testsuite/ver_test_10.script: New file.
10417         * testsuite/ver_test_10.sh: New file.
10418         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10419         (check_DATA): Add ver_test_10.syms.
10420         (ver_test_10.syms, ver_test_10.so): New target.
10421         * testsuite/Makefile.in: Rebuild.
10422
10423 2008-07-23  Simon Baldwin  <simonb@google.com>
10424
10425         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10426         to zero for undefined symbols from dynamic libraries.
10427
10428 2008-07-23  Ian Lance Taylor  <iant@google.com>
10429
10430         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10431         Change all callers.
10432         * symtab.h (class Symbol_table): Update declaration.
10433         * testsuite/ver_test_9.cc: New file.
10434         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10435         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10436         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10437         (ver_test_9.so, ver_test_9.o): New targets.
10438         * testsuite/Makefile.in: Rebuild.
10439
10440 2008-07-22  Ian Lance Taylor  <iant@google.com>
10441
10442         * options.h (class General_options): Define --check-sections.
10443         * layout.cc (Layout::set_segment_offsets): Handle
10444         --check-sections.
10445
10446         * options.h (class General_options): Define -n/--nmagic and
10447         -N/--omagic.
10448         * options.cc (General_options::finalize): For -n/--nmagic or
10449         -N/--omagic, set -static.
10450         * layout.cc (Layout::attach_allocated_section_to_segment): If
10451         -N/--omagic, don't put read-only and read-write sections in
10452         different segments.
10453         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10454         finding a read-only segment.
10455         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10456         don't set the minimum segment alignment to the common page size,
10457         and don't set the file offset to the address modulo the page size.
10458         * script-sections.cc (Script_sections::create_segments): If
10459         -n/--omagic, don't put read-only and read-write sections in
10460         different segments.
10461
10462         * cref.cc: New file.
10463         * cref.h: New file.
10464         * options.h (class General_options): Add --print-symbol-counts.
10465         * main.cc (main): Issue defined symbol report if requested.
10466         * archive.cc (Archive::interpret_header): Make into a const member
10467         function.
10468         (Archive::add_symbols): Call Input_objects::archive_start and
10469         archive_stop.
10470         (Archive::const_iterator): Define new class.
10471         (Archive::begin, Archive::end): New functions.
10472         (Archive::include_all_members): Rewrite to use iterator.
10473         (Archive::count_members): New function.
10474         * archive.h (class Archive): Update declarations.
10475         (Archive::filename): New function.
10476         * object.cc: Include "cref.h".
10477         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10478         (Sized_relobj::do_get_global_symbol_counts): New function.
10479         (Input_objects::add_object): Add object to cross-referencer.
10480         (Input_objects::archive_start): New function.
10481         (Input_objects::archive_stop): New function.
10482         (Input_objects::print_symbol_counts): New function.
10483         * object.h: Declare Cref and Archive.
10484         (Object::get_global_symbol_counts): New function.
10485         (Object::do_get_global_symbol_counts): New pure virtual function.
10486         (class Sized_relobj): Add defined_count_ field.  Update
10487         declarations.
10488         (class Input_objects): Add cref_ field.  Update constructor.
10489         Update declarations.
10490         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10491         defined_count_.
10492         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10493         symbol counts.
10494         (Sized_dynobj::do_get_global_symbol_counts): New function.
10495         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10496         defined_count_.  Update declarations.  Define Symbols typedef.
10497         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10498         parameter.  Change all callers.
10499         (Symbol_table::add_from_dynobj): Add sympointers and defined
10500         parameters.  Change all callers.
10501         * symtab.h (class Symbol_table): Update declarations.
10502         * Makefile.am (CCFILES): Add cref.cc.
10503         (HFILES): Add cref.h.
10504         * Makefile.in: Rebuild.
10505
10506 2008-07-22  Simon Baldwin  <simonb@google.com>
10507
10508         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10509         to zero when writing undefined symbols.
10510
10511 2008-07-22  Ian Lance Taylor  <iant@google.com>
10512
10513         * output.cc (Output_section::add_input_section): Don't try to
10514         merge empty merge sections.
10515
10516 2008-07-21  Craig Silverstein  <csilvers@google.com>
10517
10518         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10519         Include symbol version in error message.
10520
10521 2008-07-20  Chris Demetriou  <cgd@google.com>
10522
10523         * configure.ac (gold_cv_c_random_seed): New configured variable.
10524         (RANDOM_SEED_CFLAGS): New substituted variable.
10525         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10526         * configure: Rebuild.
10527         * Makefile.in: Likewise.
10528         * testsuite/Makefile.in: Likewise.
10529
10530 2008-07-18  Ian Lance Taylor  <iant@google.com>
10531
10532         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10533         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10534         * testsuite/ver_test_main.cc (main): Call t4.
10535         (t4, t4_2a): Define.
10536         * testsuite/ver_test_2.cc (t4_2): Define.
10537         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10538         * testsuite/ver_test_4.cc (t4_2a): Define.
10539         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10540         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10541
10542 2008-07-17  Ian Lance Taylor  <iant@google.com>
10543
10544         * dynobj.cc (Versions::add_def): If we give an error about a
10545         missing version, go ahead and create the version anyhow.
10546
10547 2008-07-10  Ian Lance Taylor  <iant@google.com>
10548
10549         Handle output sections with more than 0x7fffffff bytes.
10550         * object.h (class Relobj): Change map_to_output_ to
10551         output_sections_, and just keep a section pointer.  Change all
10552         uses.  Move comdat group support to Sized_relobj.
10553         (Relobj::is_section_specially_mapped): Remove.
10554         (Relobj::output_section): Remove poff parameter.  Change all
10555         callers.
10556         (Relobj::output_section_offset): New function.
10557         (Relobj::set_section_offset): Rewrite.
10558         (Relobj::map_to_output): Remove.
10559         (Relobj::output_sections): New function.
10560         (Relobj::do_output_section_offset): New pure virtual function.
10561         (Relobj::do_set_section_offset): Likewise.
10562         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10563         group support from Relobj.  Update declarations.
10564         (Sized_relobj::get_output_section_offset): New function.
10565         (Sized_relobj::do_output_section_offset): New function.
10566         (Sized_relobj::do_set_section_offset): New function.
10567         * object.cc (Relobj::output_section_address): Remove.
10568         (Sized_relobj::Sized_relobj): Initialize new fields.
10569         (Sized_relobj::include_section_group): Cast find_kept_object to
10570         Sized_relobj.
10571         (Sized_relobj::include_linkonce_section): Likewise.
10572         (Sized_relobj::do_layout): Use separate arrays for output section
10573         and output offset.
10574         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10575         output_sections.
10576         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10577         output_sections and section_offsets.
10578         (Sized_relobj::write_local_symbols): Likewise.
10579         (map_to_kept_section): Compute output address directly.
10580         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10581         output_sections and section_offsets.
10582         (Sized_relobj::write_sections): Likewise.
10583         (Sized_relobj::relocate_sections): Likewise.
10584         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10585         * output.h (class Output_reloc): Update declarations.  Change
10586         u2_.relobj to Sized_relobj*.
10587         (class Output_data_reloc): Change add functions to use
10588         Sized_relobj*.
10589         * output.cc (Output_reloc::Output_reloc): Change relobj to
10590         Sized_relobj*.
10591         (Output_reloc::local_section_offset): Change return type to
10592         Elf_Addr.  Use get_output_section_offset.
10593         (Output_reloc::get_address): Likewise.
10594         (Output_section::is_input_address_mapped): Don't call
10595         is_section_specially_mapped.
10596         (Output_section::output_offset): Likewise.
10597         (Output_section::output_address): Likewise.
10598         (Output_section::starting_output_address): Likewise.
10599         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10600         parameter to Sized_relobj*.
10601         (Copy_relocs::need_copy_reloc): Likewise.
10602         (Copy_relocs::save): Likewise.
10603         * copy-relocs.h (class Copy_relocs): Update declarations.
10604         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10605         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10606         * target-reloc.h (relocate_for_relocatable): Change
10607         offset_in_output_section type to Elf_Addr.  Change code that uses
10608         it as well.
10609         * layout.cc (Layout::layout): Always set *off.
10610         * mapfile.cc (Mapfile::print_input_section): Use
10611         output_section_offset.
10612         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10613         Sized_relobj*.
10614         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10615         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10616         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10617
10618 2008-07-03  Ian Lance Taylor  <iant@google.com>
10619
10620         * layout.cc (Layout::include_section): Do not discard unrecognized
10621         SHT_STRTAB sections.
10622
10623 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10624
10625         * script.cc (Lex::can_continue_name): Make '?' allowable in
10626         version-script names.
10627         * testsuite/version_script.map: Change glob pattern to use '?'
10628
10629 2008-06-30  Manish Singh  <yosh@gimp.org>
10630
10631         PR 6585
10632         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10633         Correct typo.
10634
10635 2008-06-30  Ian Lance Taylor  <iant@google.com>
10636
10637         PR 6660
10638         PR 6682
10639         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10640         versions]: Don't try to read the value in the contents, since we
10641         don't use it.  Use the template endianness when writing.
10642
10643 2008-06-25  Cary Coutant  <ccoutant@google.com>
10644
10645         * fileread.cc (File_read::make_view): Assert on zero-length view.
10646         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10647         symbol table when there are no symbols to read.
10648
10649 2008-06-23  Craig Silverstein  <csilvers@google.com>
10650
10651         * version.cc (version_string): Bump to 1.7
10652
10653 2008-06-18  Craig Silverstein  <csilvers@google.com>
10654
10655         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10656         constant 0xFFFF to type Valtype.
10657         (Powerpc_relocate_functions::rel16_ha): Likewise.
10658
10659 2008-06-17  Ian Lance Taylor  <iant@google.com>
10660
10661         * output.h (Output_section::Input_section): Initialize p2align_ to
10662         zero for Output_section_data constructors.
10663         (Output_section::Input_section::addralign): If not an input
10664         section, return the alignment of the Output_section_data.
10665         * testsuite/copy_test.cc: New file.
10666         * testsuite/copy_test_1.cc: New file.
10667         * testsuite/copy_test_2.cc: New file.
10668         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10669         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10670         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10671         (copy_test_1_pic.o, copy_test_1.so): New targets.
10672         (copy_test_2_pic.o, copy_test_2.so): New targets.
10673         * testsuite/Makefile.in: Rebuild.
10674
10675         * script-sections.cc (Script_sections::place_orphan): Initialize
10676         local variable exact.
10677
10678 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10679
10680         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10681
10682 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10683             David S. Miller  <davem@davemloft.net>
10684
10685         * powerpc.cc: New file.
10686         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10687         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10688         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10689         * Makefile.in: Rebuild.
10690
10691 2008-06-09  Ian Lance Taylor  <iant@google.com>
10692
10693         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10694         <exception>.
10695         (throwing, orig_terminate): New static variables.
10696         (terminate_handler): New static function.
10697         (t2): Set terminate handler.
10698
10699 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10700
10701         PR 6584
10702         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10703         alignment.
10704
10705 2008-05-30  Cary Coutant  <ccoutant@google.com>
10706
10707         * archive.cc (Archive::include_all_members) Correct to step
10708         over symbol table and extended name table in thin archives.
10709
10710 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10711
10712         PR 6407
10713         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10714         calculation.
10715
10716 2008-05-28  Caleb Howe  <cshowe@google.com>
10717
10718         * reduced_debug_output.cc: New file.
10719         * reduced_debug_output.h: New file.
10720         * options.h (class General_options): Add --strip-debug-non-line.
10721         * options.cc (General_options::finalize): Add strip_debug_non_line
10722         to the strip heirarchy.
10723         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10724         fields.
10725         * layout.cc: Include "reduced_debug_output.h".
10726         (Layout::Layout): Initialize new fields.
10727         (line_only_debug_sections): New static array.
10728         (is_lines_only_debug_sections): New static inline function.
10729         (Layout::include_section): Handle --strip-debug-non-line.
10730         (Layout::make_output_section): If --strip-debug-non-line, build
10731         new output sections for .debug_abbrev and .debug_info.
10732         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10733         gold.  Warn about possible overflow.
10734         (read_signed_LEB_128): Likewise.
10735         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10736         (read_signed_LEB_128): Declare.
10737         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10738         (HFILES): Add reduced_debug_output.h.
10739         * Makefile.in: Rebuild.
10740
10741 2008-05-21  Ian Lance Taylor  <iant@google.com>
10742
10743         * mapfile.cc: New file.
10744         * mapfile.h: New file.
10745         * options.h (class General_options): Add -M/--print-map and -Map.
10746         * options.cc (General_options::finalize): Make -M equivalent to
10747         -Map -.
10748         * main.cc: Include <cstdio> and "mapfile.h".
10749         (main): Open mapfile if requested.
10750         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10751         constructor.  Change caller.
10752         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10753         (queue_middle_tasks): Likewise.
10754         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10755         declarations.
10756         * archive.cc: Include "mapfile.h".
10757         (Archive::add_symbols): Add mapfile parameter.  Change all
10758         callers.  Pass mapfile, symbol, and reason to include_member.
10759         (Archive::include_all_members): Add mapfile parameter.  Change all
10760         callers.
10761         (Archive::include_member): Add mapfile, sym, and why parameters.
10762         Change all callers.  Report inclusion to map file.
10763         * archive.h: Include "fileread.h".
10764         (class Archive): Update declarations.
10765         (Archive::file): New const method.
10766         (class Add_archive_symbols): Add mapfile_ field.  Update
10767         constructor.  Change all callers.
10768         * readsyms.h (class Read_symbols): Likewise.
10769         (class Finish_group): Likewise.
10770         (class Read_script): Likewise.
10771         * common.cc: Include "mapfile.h".
10772         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10773         all callers.
10774         (Symbol_table::do_allocate_commons): Likewise.
10775         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10776         symbol allocation to mapfile.
10777         * common.h (class Allocate_commons_task): Add mapfile_ field.
10778         Update constructor.  Change all callers.
10779         * symtab.h (class Symbol_table): Update declarations.
10780         * layout.cc: Include "mapfile.h".
10781         (Layout_task_runner::run): Print information to mapfile.
10782         (Layout::create_gold_note): Change Output_data_fixed_space to
10783         Output_data_zero_fill.
10784         (Layout::create_build_id): Likewise.
10785         (Layout::print_to_mapfile): New function.
10786         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10787         constructor.  Change caller.
10788         (class Layout): Declare print_to_mapfile.
10789         * output.cc (Output_section::Input_section::print_to_mapfile): New
10790         function.
10791         (Output_section::add_input_section): If producing a map, always
10792         add to input_sections_ list.
10793         (Output_section::do_print_to_mapfile): New function.
10794         (Output_segment::print_sections_to_mapfile): New function.
10795         (Output_segment::print_section_list_to_mapfile): New function.
10796         * output.h: Include "mapfile.h".
10797         (Output_data::print_to_mapfile): New function.
10798         (Output_data::do_print_to_mapfile): New virtual function.
10799         (Output_segment_headers::do_print_to_mapfile): New function.
10800         (Output_file_header::do_print_to_mapfile): New function.
10801         (Output_data_const::do_print_to_mapfile): New function.
10802         (class Output_data_const_buffer): Add map_name_ field.  Update
10803         constructor.  Change all callers.  Add do_print_to_mapfile
10804         function.
10805         (class Output_data_fixed_space): Likewise.
10806         (class Output_data_space): Likewise.
10807         (class Output_data_zero_fill): New class.
10808         (Output_data_strtab::do_print_to_mapfile): New function.
10809         (Output_data_reloc_base::do_print_to_mapfile): New function.
10810         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10811         (Output_data_group::do_print_to_mapfile): New function.
10812         (Output_data_got::do_print_to_mapfile): New function.
10813         (Output_data_dynamic::do_print_to_mapfile): New function.
10814         (Output_symtab_xindex::do_print_to_mapfile): New function.
10815         (class Output_section): Declare do_print_to_mapflie.  Declare
10816         print_to_mapfile in Input_section.
10817         (class Output_segment): Declare new functions.
10818         * object.h (Sized_relobj::symbol_count): New function.
10819         * script-sections.cc
10820         (Output_section_element_dot_assignment::set_section_addresses):
10821         Change Output_data_fixed_space to Output_data_zero_fill.
10822         (Output_data_expression::do_print_to_mapfile): New function.
10823         * script.cc (read_input_script): Add mapfile parameter.  Change
10824         all callers.
10825         * script.h (read_input_script): Update declaration.
10826         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10827         (Eh_frame::do_print_to_mapfile): New function.
10828         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10829         (Output_merge_string::do_print_to_mapfile): New function.
10830         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10831         function.
10832         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10833         function.
10834         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10835         function.
10836         * Makefile.am (CCFILES): Add mapfile.cc.
10837         (HFILES): Add mapfile.h.
10838         * Makefile.in: Rebuild.
10839
10840 2008-05-19  Ian Lance Taylor  <iant@google.com>
10841
10842         * options.h (class General_options): Add -z relro.
10843         * layout.cc (Layout::Layout): Initialize relro_segment_.
10844         (Layout::add_output_section_data): Return the output section.
10845         (Layout::make_output_section): Rcognize relro sections and mark
10846         them appropriately.
10847         (Layout::attach_allocated_section_to_segment): Put relro sections
10848         in a PT_GNU_RELRO segment.
10849         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10850         section as relro.
10851         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10852         PT_TLS segments.
10853         (Layout::linkonce_mapping): Map d.rel.ro.local to
10854         .data.rel.ro.local.
10855         (Layout::output_section_name): Us .data.rel.ro.local for any
10856         section which begins with that.
10857         * layout.h (class Layout): Update add_output_section_data
10858         declaration.  Add relro_segment_ field.
10859         * output.cc (Output_section::Output_section): Initialize is_relro_
10860         and is_relro_local_ fields.
10861         (Output_segment::add_output_section): Group relro sections.
10862         (Output_segment::is_first_section_relro): New function.
10863         (Output_segment::maximum_alignment): If there is a relro section,
10864         align the segment to the common page size.
10865         (Output_segment::set_section_addresses): Track whether we are
10866         looking at relro sections.  If the last section is a relro
10867         section, align to the common page size.
10868         (Output_segment::set_section_list_addresses): Add in_relro
10869         parameter.  Change all callers.  Align to the page size when
10870         moving from relro to non-relro section.
10871         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10872         segment.
10873         * output.h (class Output_section): Add is_relro_ and
10874         is_relro_local_ fields.
10875         (Output_section::is_relro): New function.
10876         (Output_section::set_is_relro): New function.
10877         (Output_section::is_relro_local): New function.
10878         (Output_section::set_is_relro_local): New function.
10879         (class Output_segment): Update declarations.
10880         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10881         * sparc.cc (Target_sparc::got_section): Likewise.
10882         * x86_64.cc (Target_x86_64::got_section): Likewise.
10883         * testsuite/relro_test_main.cc: New file.
10884         * testsuite/relro_test.cc: New file.
10885         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10886         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10887         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10888         (relro_test.so, relro_test_pic.o): New targets.
10889         * testsuite/Makefile.in: Rebuild.
10890
10891 2008-05-16  Ian Lance Taylor  <iant@google.com>
10892
10893         * output.cc (Output_segment::add_output_section): Remove front
10894         parameter.
10895         * output.h (class Output_segment): Remove
10896         add_initial_output_section and overloaded add_output_section.
10897         Update declaration of remaining add_output_section.
10898         * layout.cc (Layout::create_interp): Call add_output_section
10899         rather than add_initial_output_section.
10900         (Layout::finish_dynamic_section): Likewise.
10901
10902         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10903         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10904         know the dynamic type.
10905         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10906         field.  Initialize it in constructor.
10907         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10908         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10909         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10910         reloc.
10911
10912         * output.cc (Output_reloc::get_address): Change return type to
10913         Elf_Addr.
10914         * output.h (class Output_reloc): Update get_address declaration.
10915         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10916         for section addresses.
10917
10918 2008-05-09  Ian Lance Taylor  <iant@google.com>
10919
10920         PR 6493
10921         * gold.cc (gold_nomem): Use return value of write.
10922
10923 2008-05-08  Ian Lance Taylor  <iant@google.com>
10924
10925         * symtab.c (Symbol::init_base_output_data): Add version
10926         parameter.  Change all callers.
10927         (Symbol::init_base_output_segment): Likewise.
10928         (Symbol::init_base_constant): Likewise.
10929         (Symbol::init_base_undefined): Likewise.
10930         (Sized_symbol::init_output_data): Likewise.
10931         (Sized_symbol::init_output_segment): Likewise.
10932         (Sized_symbol::init_constant): Likewise.
10933         (Sized_symbol::init_undefined): Likewise.
10934         (Symbol_table::do_define_in_output_data): If the new symbol has a
10935         version, mark it as the default.
10936         (Symbol_table::do_define_in_output_segment): Likewise.
10937         (Symbol_table::do_define_as_constant): Likewise.
10938         * symtab.h (class Symbol): Update declarations.
10939         (class Sized_symbol): Likewise.
10940         * resolve.cc (Symbol::override_version): New function.
10941         (Symbol::override_base): Call override_version.
10942         (Symbol::override_base_with_special): Likewise.
10943         * testsuite/ver_script_8.script: New file.
10944         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10945         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10946         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10947         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10948
10949 2008-05-06  Ian Lance Taylor  <iant@google.com>
10950
10951         PR 6049
10952         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10953         functions.
10954         (class General_options): Remove existing --undefined, and add
10955         --no-undefined instead.  Add new --undefined as synonym for -u.
10956         * archive.cc (Archive::add_symbols): Check whether symbol was
10957         named with -u.
10958         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10959         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10960         all uses.  Add IS_UNDEFINED.  Update declarations to split
10961         different versions of init_base.  Declare init_base_undefined.
10962         (Symbol::is_defined): Handle IS_UNDEFINED.
10963         (Symbol::is_undefined): Likewise.
10964         (Symbol::is_weak_undefined): Call is_undefined.
10965         (Symbol::is_absolute): Handle IS_CONSTANT.
10966         (class Sized_symbol): Update declarations to split different
10967         versions of init.  Declare init_undefined.
10968         (class Symbol_table): Declare new functions.
10969         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10970         Change all callers.
10971         (Symbol::init_base_output_data): Likewise.
10972         (Symbol::init_base_output_segment): Likewise.
10973         (Symbol::init_base_constant): Likewise.
10974         (Symbol::init_base_undefined): New function.
10975         (Sized_symbol::init_object): Rename from init.  Change all
10976         callers.
10977         (Sized_symbol::init_output_data): Likewise.
10978         (Sized_symbol::init_output_segment): Likewise.
10979         (Sized_symbol::init_constant): Likewise.
10980         (Sized_symbol::init_undefined): New function.
10981         (Symbol_table::add_undefined_symbols_from_command_line): New
10982         function.
10983         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10984         function.
10985         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10986         (Symbol::output_section): Likewise.
10987         (Symbol::set_output_section): Likewise.
10988         (Symbol_table::sized_finalize_symbol): Likewise.
10989         (Symbol_table::sized_write_globals): Likewise.
10990         * resolve.cc (Symbol_table::should_override): Likewise.
10991         (Symbol::override_base_with_special): Likewise.
10992
10993         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10994         symbol, change it to have default visibility.
10995         * testsuite/protected_1.cc: New file.
10996         * testsuite/protected_2.cc: New file.
10997         * testsuite/protected_3.cc: New file.
10998         * testsuite/protected_main_1.cc: New file.
10999         * testsuite/protected_main_2.cc: New file.
11000         * testsuite/protected_main_3.cc: New file.
11001         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11002         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11003         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11004         (protected_1.so): New target.
11005         (protected_1_pic.o, protected_2_pic.o): New targets.
11006         (protected_3_pic.o): New target.
11007         (check_PROGRAMS): Add protected_2.
11008         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11009         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11010         * testsuite/Makefile.in: Rebuild.
11011
11012         * options.h (DEFINE_var): Add set_user_set_##varname__.
11013         (DEFINE_bool_alias): New macro.
11014         (class General_options): Define -Bstatic using DEFINE_bool_alias
11015         rather than DEFINE_special.  Add --undefined as an alias for -z
11016         defs.
11017         * options.cc (General_options::parse_Bstatic): Remove.
11018
11019         * options.h (class General_options): Add --fatal-warnings.
11020         * main.cc (main): Implement --fatal-warnings.
11021         * errors.h (Errors::warning_count): New function.
11022
11023         * options.h (class General_options): Add -Bsymbolic-functions.
11024         * symtab.h (Symbol::is_preemptible): Check for
11025         -Bsymbolic-functions.
11026
11027 2008-05-05  Ian Lance Taylor  <iant@google.com>
11028
11029         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11030         as noVARNAME rather than no-VARNAME.
11031         (class General_options): Add option -z combreloc.
11032         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11033         get_address.
11034         (Output_reloc::sort_before) [SHT_REL]: New function.
11035         (Output_reloc::sort_before) [SHT_RELA]: New function.
11036         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11037         Sort_relocs_comparison.
11038         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11039         parameter.  Change all callers.
11040         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11041         sort_relocs parameter.  Change all callers.
11042         * output.cc (Output_reloc::get_address): New function, broken out
11043         of write_rel.
11044         (Output_reloc::write_rel): Call it.
11045         (Output_reloc::compare): New function.
11046         (Output_data_reloc_base::do_write): Optionally sort relocs.
11047
11048         * configure.ac: If targ_extra_obj is set, link it in.
11049         * configure.tgt: Initialize all variables.
11050         (x86_64*): Set targ_extra_obj and targ_extra_size.
11051         * configure: Rebuild.
11052
11053         * object.cc (Sized_relobj::include_section_group): Adjust section
11054         indexes read from group data.  Build vector to pass to
11055         layout_group.
11056         * layout.cc (Layout::layout_group): Add flags and shndxes
11057         parameters.  Remove contents parameter.  Change caller.  Update
11058         explicit instantiations.
11059         * layout.h (class Layout): Update layout_group declaration.
11060         * output.cc (Output_data_group::Output_data_group): Add flags and
11061         input_shndxes parameters.  Remove contents parameter.  Change
11062         caller.
11063         (Output_data_group::do_write): Change input_sections_ to
11064         input_shndxes_.
11065         * output.h (class Output_data_group): Update constructor
11066         declaration.  Rename input_sections_ to input_shndxes_.
11067         * testsuite/many_sections_test.cc: Add template.
11068
11069 2008-04-30  Cary Coutant  <ccoutant@google.com>
11070
11071         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11072
11073         * layout.cc (Layout::include_section): Refactored check for debug
11074         info section.
11075         (Layout::add_comdat): Add new parameters.  Change type
11076         of signature parameter.  Add object and shndx to signatures table.
11077         (Layout::find_kept_object): New function.
11078         * layout.h: Include <cstring>.
11079         (Layout::is_debug_info_section): New function.
11080         (Layout::add_comdat): Add new parameters.
11081         (Layout::find_kept_object): New function.
11082         (Layout::Kept_section): New struct.
11083         (Layout::Signatures): Change type of map range.
11084         * object.cc (Relobj::output_section_address): New function.
11085         (Sized_relobj::include_section_group): Add new parameters.  Change
11086         calls to Layout::add_comdat.  Change to build table of kept comdat
11087         groups and table mapping discarded sections to kept sections.
11088         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11089         (Sized_relobj::do_layout): Change calls to include_section_group and
11090         include_linkonce_section.
11091         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11092         value to zero when section is discarded.
11093         (Sized_relobj::map_to_kept_section): New function.
11094         * object.h (Relobj::output_section_address): New function.
11095         (Relobj::Comdat_group): New type.
11096         (Relobj::find_comdat_group): New function.
11097         (Relobj::Comdat_group_table): New type.
11098         (Relobj::Kept_comdat_section): New type.
11099         (Relobj::Kept_comdat_section_table): New type.
11100         (Relobj::add_comdat_group): New function.
11101         (Relobj::set_kept_comdat_section): New function.
11102         (Relobj::get_kept_comdat_section): New function.
11103         (Relobj::comdat_groups_): New field.
11104         (Relobj::kept_comdat_sections_): New field.
11105         (Symbol_value::input_value): Update comment.
11106         (Sized_relobj::map_to_kept_section) New function.
11107         (Sized_relobj::include_linkonce_section): Add new parameter.
11108         * target-reloc.h (Comdat_behavior): New type.
11109         (get_comdat_behavior): New function.
11110         (relocate_section): Add code to map a discarded section to the
11111         corresponding kept section when applying a relocation.
11112
11113 2008-04-30  Craig Silverstein  <csilvers@google.com>
11114
11115         * dwarf_reader.cc (next_generation_count): New static var.
11116         (Addr2line_cache_entry): New struct.
11117         (addr2line_cache): New static var.
11118         (Dwarf_line_info::one_addr2line): Added caching.
11119         (Dwarf_line_info::clear_addr2line_cache): New function.
11120         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11121         cache-size parameter.
11122         (Dwarf_line_info::one_addr2line_cache): New function.
11123         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11124         new cache-size argument to one_addr2line(), and clear cache.
11125
11126 2008-04-28  Cary Coutant  <ccoutant@google.com>
11127
11128         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11129         R_386_PC8 relocations.
11130
11131 2008-04-23  Ian Lance Taylor  <iant@google.com>
11132
11133         * object.cc (Sized_relobj::include_section_group): Check for
11134         invalid section group.
11135
11136         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11137         header size.
11138
11139         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11140         than read for file header.
11141         * archive.cc (Archive::include_member): Likewise.
11142
11143 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11144
11145         * aclocal.m4: Regenerate.
11146         * configure: Regenerate.
11147
11148 2008-04-19  Ian Lance Taylor  <iant@google.com>
11149
11150         * version.cc (version_string): Bump to 1.6.
11151
11152         * testsuite/Makefile.am (many_sections_r_test): New target.
11153         (many_sections_r_test_SOURCES): Remove.
11154         (many_sections_r_test_DEPENDENCIES): Remove.
11155         (many_sections_r_test_LDFLAGS): Remove.
11156         (many_sections_r_test_LDADD): Remove.
11157
11158         * object.cc (Sized_relobj::do_add_symbols): Always pass
11159         local_symbol_count_ to add_from_relobj.
11160
11161         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11162         every thousand variables.
11163         * testsuite/Makefile.in: Rebuild.
11164
11165         * object.cc (Xindex::initialize_symtab_xindex): New function.
11166         (Xindex::read_symtab_xindex): New function.
11167         (Xindex::sym_xindex_to_shndx): New function.
11168         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11169         available.
11170         (Sized_relobj::do_initialize_xindex): New function.
11171         (Sized_relobj::do_read_symbols): Adjust section links.
11172         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11173         parameter.  Change all callers.
11174         (Sized_relobj::include_section_group): Adjust section links and
11175         symbol section indexes.
11176         (Sized_relobj::do_layout): Adjust section links.
11177         (Sized_relobj::do_count_local_symbols): Adjust section links and
11178         symbol section indexes.
11179         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11180         ordinary and special symbols.
11181         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11182         dynsym_xindex parameters.  Change all callers.  Adjust section
11183         links.  Use SHN_XINDEX when needed.
11184         (Sized_relobj::get_symbol_location_info): Adjust section links.
11185         Don't get fooled by special symbols.
11186         * object.h (class Xindex): Define.
11187         (class Object): Add xindex_ parameter.  Declare virtual functoin
11188         do_initialize_xindex.
11189         (Object::adjust_sym_shndx): New function.
11190         (Object::set_xindex): New protected function.
11191         (class Symbol_value): Add is_ordinary_shndx_ field.
11192         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11193         (Symbol_value::value): Assert ordinary section.
11194         (Symbol_value::initialize_input_to_output_map): Likewise.
11195         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11196         Change all callers.
11197         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11198         all callers.
11199         (class Sized_relobj): Update declarations.
11200         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11201         parameter.  Change all callers.
11202         (Sized_relobj::adjust_shndx): New function.
11203         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11204         field.
11205         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11206         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11207         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11208         (Sized_dynobj::read_dynsym_section): Adjust section links.
11209         (Sized_dynobj::read_dynamic): Likewise.
11210         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11211         section links.
11212         (Sized_dynobj::do_initialize_xindex): New function.
11213         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11214         do_initialize_xindex.
11215         (Sized_dynobj::adjust_shndx): New function.
11216         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11217         dynsym_xindex_ fields.
11218         (Layout::finalize): Add a call to set_section_indexes before
11219         creating the symtab sections.
11220         (Layout::set_section_indexes): Don't do anything if the section
11221         already has a section index.
11222         (Layout::create_symtab_sections): Add shnum parameter.  Change
11223         caller.  Create .symtab_shndx section if needed.
11224         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11225         caller.
11226         (Layout::allocated_output_section_count): New function.
11227         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11228         needed.
11229         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11230         fields.  Update declarations.
11231         (Layout::symtab_xindex): New function.
11232         (Layout::dynsym_xindex): New function.
11233         (class Write_symbols_task): Add layout_ field.
11234         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11235         Change caller.
11236         * output.cc (Output_section_headers::Output_section_headers): Add
11237         shstrtab_section parameter.  Change all callers.
11238         (Output_section_headers::do_sized_write): Store overflow values
11239         for section count and section string table section index in
11240         section header zero.
11241         (Output_file_header::do_sized_write): Check for overflow of
11242         section count and section string table section index.
11243         (Output_symtab_xindex::do_write): New function.
11244         (Output_symtab_xindex::endian_do_write): New function.
11245         * output.h (class Output_section_headers): Add shstrtab_section_.
11246         Update declarations.
11247         (class Output_symtab_xindex): Define.
11248         (Output_section::has_out_shndx): New function.
11249         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11250         field.
11251         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11252         Change all callers.
11253         (Sized_symbol::init): Likewise.
11254         (Symbol::output_section): Check for ordinary symbol.
11255         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11256         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11257         callers.
11258         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11259         Change all callers.  Simplify handling of symbols from sections
11260         not included in the link.
11261         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11262         distinction.
11263         (Weak_alias_sorter::operator()): Assert that symbols are
11264         ordinary.
11265         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11266         distinction.
11267         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11268         parameters.  Change all callers.
11269         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11270         symbol distinction.  Use SHN_XINDEX when needed.
11271         (Symbol_table::write_section_symbol): Add symtab_xindex
11272         parameter.  Change all callers.
11273         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11274         SHN_XINDEX when needed.
11275         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11276         declarations.
11277         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11278         (Symbol::is_defined): Check is_ordinary.
11279         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11280         (Symbol::is_absolute, Symbol::is_common): Likewise.
11281         (class Sized_symbol): Update declarations.
11282         (class Symbol_table): Update declarations.
11283         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11284         parameters.  Change all callers.
11285         (Sized_symbol::override): Likewise.
11286         (Symbol_table::override): Likewise.
11287         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11288         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11289         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11290         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11291         to be in an ordinary section.
11292         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11293         object and is_ordinary parameters.  Change all callers.
11294         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11295         Change all callers.  Don't add undefined or non-ordinary symbols
11296         to reloc_map_.
11297         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11298         Change all callers.
11299         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11300         declarations.
11301         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11302         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11303         (Sized_relobj::relocate_sections): Likewise.
11304         * target-reloc.h (scan_relocs): Adjust section symbol index.
11305         (scan_relocatable_relocs): Likewise.
11306         * i386.cc (Scan::local): Check for ordinary symbols.
11307         * sparc.cc (Scan::local): Likewise.
11308         * x86_64.cc (Scan::local): Likewise.
11309         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11310         to symbol_section_and_value.
11311         * testsuite/many_sections_test.cc: New file.
11312         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11313         (check_PROGRAMS): Add many_sections_test.
11314         (many_sections_test_SOURCES): Define.
11315         (many_sections_test_DEPENDENCIES): Define.
11316         (many_sections_test_LDFLAGS): Define.
11317         (BUILT_SOURCES): Add many_sections_define.h.
11318         (many_sections_define.h): New target.
11319         (BUILT_SOURCES): Add many_sections_check.h.
11320         (many_sections_check.h): New target.
11321         (check_PROGRAMS): Add many_sections_r_test.
11322         (many_sections_r_test_SOURCES): Define.
11323         (many_sections_r_test_DEPENDENCIES): Define.
11324         (many_sections_r_test_LDFLAGS): Define.
11325         (many_sections_r_test_LDADD): Define.
11326         (many_sections_r_test.o): New target.
11327         * testsuite/Makefile.in: Rebuild.
11328
11329 2008-04-17  Cary Coutant  <ccoutant@google.com>
11330
11331         * errors.cc (Errors::info): New function.
11332         (gold_info): New function.
11333         * errors.h (Errors::info): New function.
11334         * gold.h (gold_info): New function.
11335         * object.cc (Input_objects::add_object): Print trace output.
11336         * options.cc (options::parse_set): New function.
11337         (General_options::parse_wrap): Deleted.
11338         (General_options::General_options): Deleted initializer.
11339         * options.h (options::String_set): New typedef.
11340         (options::parse_set): New function.
11341         (DEFINE_set): New macro.
11342         (General_options::wrap): Changed to use DEFINE_set. Changed
11343         callers of any_wrap_symbols and is_wrap_symbol.
11344         (General_options::trace, General_options::trace_symbol):
11345         New options.
11346         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11347         (General_options::wrap_symbols_): Deleted.
11348         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11349
11350 2008-04-17  David S. Miller  <davem@davemloft.net>
11351
11352         * options.cc (General_options::parse_V): New function.
11353         * options.h: Add entries for -V and -Qy.
11354
11355 2008-04-17  Ian Lance Taylor  <iant@google.com>
11356
11357         * common.cc (Symbol_table::allocate_commons): Remove options
11358         parameter.  Change caller.
11359         (Symbol_table::do_allocate_commons): Remove options parameter.
11360         Change caller.  Just call do_allocate_commons_list twice.
11361         (Symbol_table::do_allocate_commons_list): New function, broken out
11362         of do_allocate_commons.
11363         * common.h (class Allocate_commons_task): Remove options_ field.
11364         Update constructor.
11365         * symtab.cc (Symbol_table::Symbol_table): Initialize
11366         tls_commons_.
11367         (Symbol_table::add_from_object): Put TLS common symbols on
11368         tls_commons_ list.
11369         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11370         which are IN_OUTPUT_DATA.
11371         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11372         allocate_commons and do_allocate_commons declarations.  Declare
11373         do_allocate_commons_list.
11374         * gold.cc (queue_middle_tasks): Update creation of
11375         Allocate_commons_task to not pass options.
11376         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11377         (TLS_TEST_C_FLAGS): New variable.
11378         (tls_test_c_pic.o): New target.
11379         (tls_test_shared.so): Link in tls_test_c_pic.o.
11380         (tls_test_c_pic_ie.o): New target.
11381         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11382         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11383         (tls_test_c.o): New target.
11384         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11385         (tls_pic_test_LDADD): Likewise.
11386         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11387         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11388         (tls_test_c_gnu2.o): New target.
11389         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11390         tls_test_c_gnu2.o.
11391         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11392         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11393         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11394         * testsuite/tls_test.cc: Include "config.h".
11395         (t_last): Call t11_last.
11396         * testsuite/tls_test.h (t11, t11_last): Declare.
11397         * testsuite/tls_test_c.c: New file.
11398         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11399         * configure.ac: Check for OpenMP support.
11400         * configure, config.in, Makefile.in: Rebuild.
11401         * testsuite/Makefile.in: Rebuild.
11402
11403 2008-04-16  Cary Coutant  <ccoutant@google.com>
11404
11405         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11406         (Target_i386::tls_base_symbol_defined_): New field.
11407         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11408         (Target_i386::Scan::global): Likewise.
11409         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11410         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11411         (Target_x86_64::tls_base_symbol_defined_): New field.
11412         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11413         (Target_x86_64::Scan::global): Likewise.
11414
11415 2008-04-16  Cary Coutant  <ccoutant@google.com>
11416
11417         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11418         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11419         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11420         building shared libraries.
11421         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11422         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11423         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11424         * testsuite/Makefile.in: Rebuild.
11425         * testsuite/weak_undef.h: New file.
11426         * testsuite/weak_undef_file1.cc: Add extra test cases.
11427         * testsuite/weak_undef_file2.cc: Likewise.
11428         * testsuite/weak_undef_test.cc: Likewise.
11429
11430 2008-04-16  David S. Miller  <davem@davemloft.net>
11431
11432         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11433         Add issued_non_pic_error_ field.  Declare check_non_pic.
11434         (Target_sparc::Scan::check_non_pic): New function.
11435         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11436         (Target_sparc::Scan::global): Likewise.
11437
11438         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11439         * configure: Rebuild.
11440
11441         * options.h (DEFINE_enable): New macro.
11442         (new_dtags): New enable option.
11443         (initfirst, interpose, loadfltr, nodefaultlib,
11444         nodelete, nodlopen, nodump): New -z options.
11445         * layout.cc (Layout:finish_dynamic_section): If new
11446         dtags enabled, emit DT_RUNPATH.  Also, emit a
11447         DT_FLAGS_1 containing any specified -z flags.
11448
11449 2008-04-16  Ian Lance Taylor  <iant@google.com>
11450
11451         * copy-relocs.cc: New file.
11452         * copy-relocs.h: New file.
11453         * reloc.cc: Remove Copy_relocs code.
11454         * reloc.h: Likewise.
11455         * reloc-types.h (struct Reloc_types) [both versions]: Add
11456         get_reloc_addend_noerror.
11457         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11458         variants of add_global which take an addend which must be zero.
11459         * i386.cc: Include "copy-relocs.h".
11460         (class Target_i386): Change type of copy_relocs_ to variable,
11461         update initializer.
11462         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11463         Change all callers.
11464         (Target_i386::do_finalize_sections): Change handling of
11465         copy_relocs_.
11466         * sparc.cc: Include "copy-relocs.h".
11467         (class Target_sparc): Change type of copy_relocs_ to variable,
11468         update initializer.
11469         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11470         Change all callers.
11471         (Target_sparc::do_finalize_sections): Change handling of
11472         copy_relocs_.
11473         * x86_64.cc: Include "copy-relocs.h".
11474         (class Target_x86_64): Change type of copy_relocs_ to variable,
11475         update initializer.
11476         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11477         class.  Change all callers.
11478         (Target_x86_64::do_finalize_sections): Change handling of
11479         copy_relocs_.
11480         * Makefile.am (CCFILES): Add copy-relocs.cc.
11481         (HFILES): Add copy-relocs.h.
11482
11483         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11484
11485         * testsuite/script_test_4.sh: Permit leading zeroes.
11486
11487 2008-04-15  Ian Lance Taylor  <iant@google.com>
11488
11489         * script-sections.cc (Script_sections::create_segments): Use
11490         header_size_adjustment even when there is enough room for the
11491         headers.
11492         * testsuite/script_test_4.sh: New file.
11493         * testsuite/script_test_4.t: New file.
11494         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11495         (check_DATA): Add script_test_4.stdout.
11496         (MOSTLYCLEANFILES): Likewise.
11497         (script_test_4): New target.
11498         (script_test_4.stdout): New target.
11499         * testsuite/Makefile.in: Rebuild.
11500
11501         * sparc.cc: Add definitions for Output_data_plt_sparc class
11502         constants.
11503
11504 2008-04-14  David S. Miller  <davem@davemloft.net>
11505
11506         * sparc.cc: New file.
11507         * Makefile.am (TARGETSOURCES): Add sparc.cc
11508         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11509         * configure.tgt: Document targ_extra_size and
11510         targ_extra_big_endian.  Add entries for sparc-* and
11511         sparc64-*.
11512         * configure.ac: Handle targ_extra_size and
11513         targ_extra_big_endian.
11514         * Makefile.in: Rebuild.
11515         * configure: Likewise.
11516         * po/POTFILES.in: Likewise.
11517         * po/gold.pot: Likewise.
11518
11519 2008-04-14  Ian Lance Taylor  <iant@google.com>
11520
11521         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11522         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11523         in the name/type/flags to section mapping.  Don't call
11524         allocate_output_section.
11525         (Layout::choose_output_section): Change parameter from adjust_name
11526         to is_input_section.  Don't permit input sections after sections
11527         are attached to segments.  Don't call allocate_output_section.
11528         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11529         not write_enable_output_section.
11530         (Layout::make_output_section): Don't push to
11531         unattached_section_list_ nor call attach_to_segment.  Call
11532         attach_section_to_segment if sections are attached.
11533         (Layout::attach_sections_to_segments): New function.
11534         (Layout::attach_section_to_segment): New function.
11535         (Layout::attach_allocated_section_to_segment): Rename from
11536         attach_to_segment.  Remove flags parameter.
11537         (Layout::allocate_output_section): Remove function.
11538         (Layout::write_enable_output_section): Remove function.
11539         * layout.h (class Layout): Update for above changes.  Add new
11540         field sections_are_attached_.
11541         * output.h (Output_section::update_flags_for_input_section): New
11542         function.
11543         * output.cc (Output_section::add_input_section): Call
11544         update_flags_for_input_section.
11545         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11546
11547 2008-04-11  Cary Coutant  <ccoutant@google.com>
11548
11549         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11550         thought unnecessary.
11551         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11552
11553 2008-04-11  Ian Lance Taylor  <iant@google.com>
11554
11555         * output.h (class Output_section_data): Remove inline definition
11556         of set_addralign.
11557         * output.cc (Output_section_data::set_addralign): New function.
11558
11559 2008-04-11  Cary Coutant  <ccoutant@google.com>
11560
11561         Add support for TLS descriptors for i386 and x86_64.
11562         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11563         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11564         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11565         GOT_TYPE_TLS_DESC.
11566         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11567         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11568         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11569         relocations.
11570         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11571         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11572         Fix problem with initial-exec relocations.
11573         (Target_i386::Relocate::relocate_tls): Likewise.
11574         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11575         relaxation.
11576         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11577         support for section-plus-offset dynamic table entries.
11578         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11579         (Output_data_dynamic::Dynamic_entry): Add support for
11580         section-plus-offset dynamic table entries.
11581         (Output_data_dynamic::Classification): Likewise.
11582         (Output_data_dynamic::classification_): Renamed offset_.
11583         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11584         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11585         (Target_x86_64::make_plt_section): New function.
11586         (Target_x86_64::reserve_tlsdesc_entries): New function.
11587         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11588         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11589         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11590         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11591         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11592         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11593         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11594         add extra PLT entry for TLS descriptors.
11595         (Output_data_plt_x86_64::got_): New field.
11596         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11597         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11598         fields.
11599         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11600         descriptors.
11601         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11602         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11603         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11604         R_386_TLS_DESC_CALL relocations.
11605         (Target_x86_64::Scan::global): Likewise.
11606         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11607         for TLS descriptors.
11608         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11609         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11610         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11611         GD-to-IE relaxation.
11612         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11613         and TLS_DESCRIPTORS.
11614         * Makefile.in: Rebuild.
11615         * configure: Rebuild.
11616         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11617         (tls_test_shared2.so): New target.
11618         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11619         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11620         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11621         (tls_shared_gd_to_ie_test_LDADD): New variable.
11622         (tls_shared_gnu2_gd_to_ie_test): New target.
11623         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11624         New targets.
11625         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11626         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11627         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11628         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11629         (tls_shared_gnu2_test): New target.
11630         (tls_test_gnu2_shared.so): New target.
11631         (tls_shared_gnu2_test_SOURCES): New variable.
11632         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11633         (tls_shared_gnu2_test_LDFLAGS): New variable.
11634         (tls_shared_gnu2_test_LDADD): New variable.
11635         * testsuite/Makefile.in: Rebuild.
11636         * testsuite/Makefile.
11637
11638 2008-04-11  Ian Lance Taylor  <iant@google.com>
11639
11640         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11641         justsyms.t.
11642         * testsuite/Makefile.in: Rebuild.
11643
11644         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11645         long.
11646         * testsuite/script_test_2.cc (main): Adjust test.
11647
11648 2008-04-11  David S. Miller  <davem@davemloft.net>
11649             Ian Lance Taylor  <iant@google.com>
11650
11651         * options.h (General_options): Add entries for '-Y' and
11652         '-relax'.
11653         * options.cc (General_options:finalize): If -Y was used, add those
11654         entries to the library path instead of the default "/lib" and
11655         "/usr/lib".
11656
11657 2008-04-11  David S. Miller  <davem@davemloft.net>
11658
11659         * testsuite/justsyms.t: Start at 0x100.
11660         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11661         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11662         long.
11663         * testsuite/script_test_2.cc: Adjust string and section length
11664         checks.
11665
11666 2008-04-09  Ian Lance Taylor  <iant@google.com>
11667
11668         PR gold/5996
11669         * script-sections.cc (Sections_element::allocate_to_segment): Add
11670         orphan parameter.
11671         (Output_section_definition::allocate_to_segment): Likewise.
11672         (Orphan_output_section::allocate_to_segment): Likewise.
11673         (Script_sections::attach_sections_using_phdrs_clause): Don't
11674         propagate non-PT_LOAD segments to orphan sections.
11675         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11676         readelf rather than objdump.
11677         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11678         .interp section and PT_INTERP segment are the same size.
11679         * testsuite/Makefile.in: Rebuild.
11680
11681         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11682         aliases for symbols defined in the same object.
11683         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11684         (weak_alias_test_SOURCES): New variable.
11685         (weak_alias_test_DEPENDENCIES): New variable.
11686         (weak_alias_test_LDFLAGS): New variable.
11687         (weak_alias_test_LDADD): New variable.
11688         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11689         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11690         (weak_alias_test_3.o): New target.
11691         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11692         * testsuite/weak_alias_test_main.cc: New file.
11693         * testsuite/weak_alias_test_1.cc: New file.
11694         * testsuite/weak_alias_test_2.cc: New file.
11695         * testsuite/weak_alias_test_3.cc: New file.
11696
11697 2008-04-08  Ian Lance Taylor  <iant@google.com>
11698
11699         * options.h (class General_options): Add --noinhibit-exec option.
11700         * main.cc (main): Check --noinhibit-exec.
11701
11702         * options.h (class General_options): Define --wrap as a special
11703         option.  Add wrap_symbols_ field.
11704         (General_options::any_wrap_symbols): New function.
11705         (General_options::is_wrap_symbol): New function.
11706         * options.cc (General_options::parse_wrap): New function.
11707         (General_options::General_options): Initialize wrap_symbols_.
11708         * symtab.cc (Symbol_table::wrap_symbol): New function.
11709         (Symbol_table::add_from_object): Handle --wrap.
11710         * symtab.h (class Symbol_table): Declare wrap_symbol.
11711         * target.h (Target::wrap_char): New function.
11712         (Target::Target_info): Add wrap_char field.
11713         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11714         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11715         * testsuite/testfile.cc (Target_test::test_target_info):
11716         Likewise.
11717
11718         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11719         there is one.
11720
11721         * layout.h (class Layout): Add added_eh_frame_data_ field.
11722         * layout.cc (Layout::Layout): Initialize new field.
11723         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11724         output section until we find a section we merged successfully.
11725         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11726         that the size be non-zero.
11727
11728         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11729         qualifier.
11730
11731 2008-04-08  Craig Silverstein  <csilvers@google.com>
11732
11733         * configure.ac: Export new conditional variable HAVE_ZLIB.
11734         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11735         on HAVE_ZLIB.
11736         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11737         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11738
11739 2008-04-07  Ian Lance Taylor  <iant@google.com>
11740
11741         * version.cc (version_string): Set to "1.5".
11742
11743         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11744         Add issued_non_pic_error_ field.  Declare check_non_pic.
11745         (Target_x86_64::Scan::check_non_pic): New function.
11746         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11747         (Target_x86_64::Scan::global): Likewise.
11748
11749         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11750         addend parameter.  Change caller.  Handle merge sections.
11751         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11752         Address to Addend.  Don't add in the result of
11753         local_section_offset, pass down the addend and use the returned
11754         value.
11755         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11756         Update declarations of local_section_offset and symbol_value.
11757         * testsuite/two_file_test_1.cc (t18): New function.
11758         * testsuite/two_file_test_2.cc (f18): New function.
11759         * testsuite/two_file_test_main.cc (main): Call t18.
11760         * testsuite/two_file_test.h (t18, f18): Declare.
11761
11762         * configure.ac: Don't test for objdump, c++filt, or readelf.
11763         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11764         conditionals.
11765         (TEST_READELF): New variable.
11766         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11767         (check_PROGRAMS): Add two_file_strip_test.
11768         (two_file_strip_test): New target.
11769         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11770         (two_file_same_shared_strip_test_SOURCES): New variable.
11771         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11772         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11773         (two_file_same_shared_strip_test_LDADD): New variable.
11774         (two_file_shared_strip.so): New target.
11775         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11776         (ver_test_5.syms, ver_test_7.syms): Likewise.
11777         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11778         (strip_test_3.stdout): Use TEST_OBJDUMP.
11779         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11780
11781 2008-04-04  Cary Coutant  <ccoutant@google.com>
11782
11783         * symtab.h (Symbol::is_weak_undefined): New function.
11784         (Symbol::is_strong_undefined): New function.
11785         (Symbol::is_absolute): New function.
11786         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11787         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11788         absolute symbols.
11789         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11790         (weak_undef_test): New target.
11791         * testsuite/Makefile.in: Rebuild.
11792         * testsuite/weak_undef_file1.cc: New file.
11793         * testsuite/weak_undef_file2.cc: New file.
11794         * testsuite/weak_undef_test.cc: New file.
11795
11796 2008-04-03  Craig Silverstein  <csilvers@google.com>
11797
11798         * compressed_output.h (class Output_compressed_section): Use
11799         unsigned buffer.
11800         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11801         add zlib header.
11802         (zlib_compressed_suffix): Removed.
11803         (Output_compressed_section::set_final_data_size): Use unsigned
11804         buffers.
11805         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11806         Fix linker invocation.
11807         (flagstest_o_specialfile_and_compress_debug_sections):
11808         Likewise.
11809         * testsuite/Makefile.in: Regenerated.
11810
11811 2008-04-02  David S. Miller  <davem@davemloft.net>
11812
11813         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11814         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11815
11816 2008-04-02  Craig Silverstein  <csilvers@google.com>
11817
11818         * TODO: New file.
11819
11820 2008-04-02  Ian Lance Taylor  <iant@google.com>
11821
11822         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11823         parameters.  Update for new key type to views_.  Change all
11824         callers.
11825         (File_read::read): Adjust for byteshift in returned view.
11826         (File_read::add_view): New function, broken out of
11827         find_and_make_view.
11828         (File_read::make_view): New function, broken out of
11829         find_and_make_view.
11830         (File_read::find_or_make_view): Add offset and aligned
11831         parameters.  Rewrite accordingly.  Change all callers.
11832         (File_read::get_view): Add offset and aligned parameters.  Adjust
11833         for byteshift in return value.
11834         (File_read::get_lasting_view): Likewise.
11835         * fileread.h (class File_read): Update declarations.
11836         (class File_read::View): Add byteshift_ field.  Add byteshift to
11837         constructor.  Add byteshift method.
11838         * archive.h (Archive::clear_uncached_views): New function.
11839         (Archive::get_view): Add aligned parameter.  Change all callers.
11840         * object.h (Object::get_view): Add aligned parameter.  Change all
11841         callers.
11842         (Object::get_lasting_view): Likewise.
11843
11844         * fileread.cc (File_read::release): Don't call clear_views if
11845         there are multiple objects.
11846         * fileread.h (File_read::clear_uncached_views): New function.
11847         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11848         on the archive.
11849
11850 2008-03-31  Cary Coutant  <ccoutant@google.com>
11851
11852         Add thin archive support.
11853         * archive.cc (Archive::armagt): New const.
11854         (Archive::setup): Remove task parameter and calls to unlock.
11855         (Archive::unlock_nested_archives): New function.
11856         (Archive::read_header): Add nested_off parameter. Change
11857         all callers.
11858         (Archive::interpret_header): Likewise.
11859         (Archive::include_all_members): Change to handle thin
11860         archives.
11861         (Archive::include_member): Likewise.
11862         * archive.h (Archive::Archive): Add new parameters and
11863         initializers.
11864         (Archive::armagt): New const.
11865         (Archive::setup): Remove task parameter.
11866         (Archive::unlock_nested_archives): New function.
11867         (Archive::read_header): Add nested_off parameter.
11868         (Archive::interpret_header): Likewise.
11869         (Archive::Nested_archive_table): New typedef.
11870         (Archive::is_thin_archive_): New field.
11871         (Archive::nested_archives_): New field.
11872         (Archive::options_): New field.
11873         (Archive::dirpath_): New field.
11874         (Archive::task_): New field.
11875         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11876         for thin archives.  Pass additional parameters to
11877         Archive::Archive.  Unlock the archive file after calling
11878         Archive::setup.
11879
11880 2008-03-29  Ian Lance Taylor  <iant@google.com>
11881
11882         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11883         version symbol to be local.
11884         * testsuite/ver_test_4.sh: New file.
11885         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11886         (check_DATA): Add ver_test_4.syms.
11887         (ver_test_4.syms): New target.
11888         * testsuite/Makefile.in: Rebuild.
11889
11890         * output.cc
11891         (Output_section::Input_section_sort_entry::has_priority): New
11892         function.
11893         (Output_section::Input_section_sort_entry::match_file_name): New
11894         function.
11895         (Output_section::Input_section_sort_entry::match_section_name):
11896         Remove.
11897         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11898         Remove.
11899         (Output_section::Input_section_sort_entry::match_section_file):
11900         Remove.
11901         (Output_section::Input_section_sort_compare::operator()): Rewrite
11902         using new Input_section_sort_entry functions.  Sort crtbegin and
11903         crtend first.  Sort sections with no priority before sections with
11904         a priority.
11905         * testsuite/initpri1.c (d3): Check j != 4.
11906         (cd5): New constructor/destructor function.
11907         (main): Check j != 2.
11908
11909         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11910         new symbol when resolving, don't call set_is_default.
11911         * testsuite/ver_test_7.cc: New file.
11912         * testsuite/ver_test_7.sh: New file.
11913         * testsuite/Makefile.am (ver_test_7.so): New target.
11914         (ver_test_7.o): New target.
11915         (check_SCRIPTS): Add ver_test_7.sh.
11916         (check_DATA): Add ver_test_7.syms.
11917         (ver_test_7.syms): New target.
11918
11919 2008-03-28  Ian Lance Taylor  <iant@google.com>
11920
11921         * layout.cc (Layout::layout): If we see an input section with a
11922         name that needs sorting, set the must_sort flag for the output
11923         section.
11924         (Layout::make_output_section): If the name of the output section
11925         indicates that it might require sorting, set the may_sort flag.
11926         * output.h (Output_section::may_sort_attached_input_sections): New
11927         function.
11928         (Output_section::set_may_sort_attached_input_sections): New
11929         function.
11930         (Output_section::must_sort_attached_input_sections): New
11931         function.
11932         (Output_section::set_must_sort_attached_input_sections): New
11933         function.
11934         (class Output_section): Declare Input_section_sort_entry.  Define
11935         Input_section_sort_compare.  Declare
11936         sort_attached_input_sections.  Add new fields:
11937         may_sort_attached_input_sections_,
11938         must_sort_attached_input_sections_,
11939         attached_input_sections_are_sorted_.
11940         * output.cc (Output_section::Output_section): Initialize new
11941         fields.
11942         (Output_section::add_input_section): Add an entry to
11943         input_sections_ if may_sort or must_sort are true.
11944         (Output_section::set_final_data_size): Call
11945         sort_attached_input_sections if necessary.
11946         (Output_section::Input_section_sort_entry): Define new class.
11947         (Output_section::Input_section_sort_compare::operator()): New
11948         function.
11949         (Output_section::sort_attached_input_sections): New function.
11950         * configure.ac: Check whether the compiler supports constructor
11951         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11952         * testsuite/initpri1.c: New file.
11953         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11954         CONSTRUCTOR_PRIORITY.
11955         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11956         (initpri1_LDFLAGS): New variable.
11957         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11958
11959 2008-03-27  Ian Lance Taylor  <iant@google.com>
11960
11961         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11962         * testsuite/common_test_1.c: New file.
11963         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11964         (common_test_1_SOURCES): New variable.
11965         (common_test_1_DEPENDENCIES): New variable.
11966         (common_test_1_LDFLAGS): New variable.
11967
11968         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11969         and commons_ correctly when NAME/VERSION does not override
11970         NAME/NULL.
11971         * testsuite/ver_test_6.c: New file.
11972         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11973         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11974         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11975
11976 2008-03-26  Ian Lance Taylor  <iant@google.com>
11977
11978         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11979         of an undefined symbol from a version script.
11980         * testsuite/Makefile.am (ver_test_5.so): New target.
11981         (ver_test_5.o): New target.
11982         (check_SCRIPTS): Add ver_test_5.sh.
11983         (check_DATA): Add ver_test_5.syms.
11984         (ver_test_5.syms): New target.
11985         * testsuite/ver_test_5.cc: New file.
11986         * testsuite/ver_test_5.script: New file.
11987         * testsuite/ver_test_5.sh: New file.
11988         * Makefile.in, testsuite/Makefile.in: Rebuild.
11989
11990         PR gold/5986
11991         Fix problems building gold with gcc 4.3.0.
11992         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11993         (gold_error_at_location, gold_warning_at_location): Use it.
11994         * configure.ac: Check whether we can compile and use a template
11995         function with a printf attribute.
11996         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11997         when jumping over bytes.
11998         * object.cc: Instantiate Object::read_section_data.
11999         * debug.h: Include <cstring>
12000         * dwarf_reader.cc: Include <algorithm>
12001         * main.cc: Include <cstring>.
12002         * options.cc: Include <cstring>.
12003         * output.cc: Include <cstring>.
12004         * script.cc: Include <cstring>.
12005         * script.h: Include <string>.
12006         * symtab.cc: Include <cstring> and <algorithm>.
12007         * target-select.cc: Include <cstring>.
12008         * version.cc: Include <string>.
12009         * testsuite/testmain.cc: Include <cstdlib>.
12010         * configure, config.in: Rebuild.
12011
12012 2008-03-25  Ian Lance Taylor  <iant@google.com>
12013
12014         * options.cc: Include "../bfd/bfdver.h".
12015         (options::help): Print bug reporting address.
12016
12017         * version.cc (print_version): Adjust output for current value of
12018         BFD_VERSION_STRING.
12019
12020         * NEWS: New file.
12021
12022         * options.cc (options::help): Print list of supported targets.
12023         * target-select.h: Include <vector>.
12024         (class Target_selector): Make machine_, size_, and is_big_endian_
12025         fields const.  Add bfd_name_ and instantiated_target_ fields.
12026         (Target_selector::Target_selector): Add bfd_name parameter.
12027         (Target_selector::recognize): Make non-virtual, call
12028         do_recognize.
12029         (Target_selector::recognize_by_name): Make non-virtual, call
12030         do_recognize_by_name.
12031         (Target_selector::supported_names): New function.
12032         (Target_selector::bfd_name): New function.
12033         (Target_selector::do_instantiate_target): New pure virtual
12034         function.
12035         (Target_selector::do_recognize): New virtual function.
12036         (Target_selector::do_recognize_by_name): New virtual function.
12037         (Target_selector::instantiate_target): New private function.
12038         (supported_target_names): Declare.
12039         * target-select.cc (Target_selector::Target_selector): Update for
12040         new parameter and fields.
12041         (select_target_by_name): Check that the name matches before
12042         calling recognize_by_name.
12043         (supported_target_names): New function.
12044         * i386.cc (class Target_selector_i386): Update Target_selector
12045         constructor call.  Remove recognize and recognize_by_name.  Add
12046         do_instantiate_target.
12047         * x86_64.cc (class Target_selector_x86_64): Likewise.
12048         * testsuite/testfile.cc (class Target_selector_test): Update for
12049         changes to Target_selector.
12050
12051         * README: Rewrite, with some notes on unsupported features.
12052
12053 2008-03-24  Cary Coutant  <ccoutant@google.com>
12054
12055         * i386.cc (Target_i386::Got_type): New enum declaration.
12056         (Target_i386::Scan::local): Updated callers of Output_data_got
12057         member functions.
12058         (Target_i386::Scan::global): Likewise.
12059         (Target_i386::Relocate::relocate): Likewise.
12060         (Target_i386::Relocate::relocate_tls): Likewise.
12061         * object.h (Got_offset_list): New class.
12062         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12063         (Sized_relobj::local_got_offset): Likewise.
12064         (Sized_relobj::set_local_got_offset): Likewise.
12065         (Sized_relobj::local_has_tls_got_offset): Removed.
12066         (Sized_relobj::local_tls_got_offset): Removed.
12067         (Sized_relobj::set_local_tls_got_offset): Removed.
12068         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12069         * output.cc (Output_data_got::add_global): Added got_type parameter.
12070         (Output_data_got::add_global_with_rel): Likewise.
12071         (Output_data_got::add_global_with_rela): Likewise.
12072         (Output_data_got::add_global_pair_with_rel): New function.
12073         (Output_data_got::add_global_pair_with_rela): New function.
12074         (Output_data_got::add_local): Added got_type parameter.
12075         (Output_data_got::add_local_with_rel): Likewise.
12076         (Output_data_got::add_local_with_rela): Likewise.
12077         (Output_data_got::add_local_pair_with_rel): New function.
12078         (Output_data_got::add_local_pair_with_rela): New function.
12079         (Output_data_got::add_global_tls): Removed.
12080         (Output_data_got::add_global_tls_with_rel): Removed.
12081         (Output_data_got::add_global_tls_with_rela): Removed.
12082         (Output_data_got::add_local_tls): Removed.
12083         (Output_data_got::add_local_tls_with_rel): Removed.
12084         (Output_data_got::add_local_tls_with_rela): Removed.
12085         * output.h (Output_data_got::add_global): Added got_type parameter.
12086         (Output_data_got::add_global_with_rel): Likewise.
12087         (Output_data_got::add_global_with_rela): Likewise.
12088         (Output_data_got::add_global_pair_with_rel): New function.
12089         (Output_data_got::add_global_pair_with_rela): New function.
12090         (Output_data_got::add_local): Added got_type parameter.
12091         (Output_data_got::add_local_with_rel): Likewise.
12092         (Output_data_got::add_local_with_rela): Likewise.
12093         (Output_data_got::add_local_pair_with_rel): New function.
12094         (Output_data_got::add_local_pair_with_rela): New function.
12095         (Output_data_got::add_global_tls): Removed.
12096         (Output_data_got::add_global_tls_with_rel): Removed.
12097         (Output_data_got::add_global_tls_with_rela): Removed.
12098         (Output_data_got::add_local_tls): Removed.
12099         (Output_data_got::add_local_tls_with_rel): Removed.
12100         (Output_data_got::add_local_tls_with_rela): Removed.
12101         * resolve.cc (Symbol::override_base_with_special): Removed
12102         reference to has_got_offset_ field.
12103         * symtab.cc (Symbol::init_fields): Replaced initialization
12104         of got_offset_ with got_offsets_.  Removed initialization
12105         of has_got_offset_
12106         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12107         (Symbol::got_offset): Likewise.
12108         (Symbol::set_got_offset): Likewise.
12109         (Symbol::has_tls_got_offset): Removed.
12110         (Symbol::tls_got_offset): Removed.
12111         (Symbol::set_tls_got_offset): Removed.
12112         (Symbol::got_offset_): Removed.
12113         (Symbol::tls_mod_got_offset_): Removed.
12114         (Symbol::tls_pair_got_offset_): Removed.
12115         (Symbol::got_offsets_): New field.
12116         (Symbol::has_got_offset): Removed.
12117         (Symbol::has_tls_mod_got_offset): Removed.
12118         (Symbol::has_tls_pair_got_offset): Removed.
12119         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12120         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12121         member functions.
12122         (Target_x86_64::Scan::global): Likewise.
12123         (Target_x86_64::Relocate::relocate): Likewise.
12124         (Target_x86_64::Relocate::relocate_tls): Likewise.
12125
12126 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12127
12128         * yyscript.y: Fix spelling error in comment.
12129
12130 2008-03-24  Ian Lance Taylor  <iant@google.com>
12131
12132         * options.h (class General_options): Define build_id option.
12133         * layout.h (class Layout): Declare write_build_id, create_note,
12134         create_build_id.  Add build_id_note_ member.
12135         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12136         "libiberty.h", "md5.h", "sha1.h".
12137         (Layout::Layout): Initialize eh_frame_data_,
12138         eh_frame_hdr_section_, and build_id_note_.
12139         (Layout::finalize): Call create_build_id.
12140         (Layout::create_note): New function, broken out of
12141         Layout::create_gold_note.
12142         (Layout::create_gold_note): Call create_note.
12143         (Layout::create_build_id): New function.
12144         (Layout::write_build_id): New function.
12145         (Close_task_runner::run): Call write_build_id.
12146
12147         * x86_64.cc: Correct license to GPLv3.
12148
12149 2008-03-23  Ian Lance Taylor  <iant@google.com>
12150
12151         * options.cc: Include "demangle.h".
12152         (parse_optional_string): New function.
12153         (parse_long_option): Handle takes_optional_argument.
12154         (parse_short_option): Update dash_z initializer.  Handle
12155         takes_optional_argument.
12156         (General_options::General_options): Initialize do_demangle_.
12157         (General_options::finalize): Set do_demangle_.  Handle demangling
12158         style.
12159         * options.h (parse_optional_string): Declare.
12160         (struct One_option): Add optional_arg field.  Update constructor.
12161         Update call constructor calls.  Add takes_optional_argument
12162         function.
12163         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12164         (DEFINE_optional_string): Define.
12165         (General_options::demangle): Change from DEFINE_bool to
12166         DEFINE_optional_string.
12167         (General_options::no_demangle): New function.
12168         (General_options::do_demangle): New function.
12169         (General_options::set_do_demangle): New function.
12170         (General_options::execstack_status_): Move definition to end of
12171         class definition.
12172         (General_options::static_): Likewise.
12173         (General_options::do_demangle_): New field.
12174         * object.cc (big_endian>::get_symbol_location_info): Call
12175         Options::do_demangle, not Options::demangle.
12176         * symtab.cc (demangle): Likewise.
12177
12178 2008-03-22  Ian Lance Taylor  <iant@google.com>
12179
12180         * gold.h: Include <cstddef> and <sys/types.h>
12181         * options.h: Include <cstring>.
12182
12183 2008-03-21  Ian Lance Taylor  <iant@google.com>
12184
12185         * Added source code to GNU binutils.