gold/ChangeLog

   1 2011-10-17  Cary Coutant  <ccoutant@google.com>
   2
   3         * gold.cc: Include timer.h.
   4         (queue_middle_tasks): Stamp time.
   5         (queue_final_tasks): Likewise.
   6         * main.cc (main): Store timer in parameters.  Print timers
   7         for each pass.
   8         * parameters.cc (Parameters::Parameters): Initialize timer_.
   9         (Parameters::set_timer): New function.
  10         (set_parameters_timer): New function.
  11         * parameters.h (Parameters::set_timer): New function.
  12         (Parameters::timer): New function.
  13         (Parameters::timer_): New data member.
  14         (set_parameters_timer): New function.
  15         * timer.cc (Timer::stamp): New function.
  16         (Timer::get_pass_time): New function.
  17         * timer.h (Timer::stamp): New function.
  18         (Timer::get_pass_time): New function.
  19         (Timer::pass_times_): New data member.
  20
  21 2011-10-17  Cary Coutant  <ccoutant@google.com>
  22
  23         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
  24         task for members of lib groups.
  25
  26 2011-10-17  Cary Coutant  <ccoutant@google.com>
  27
  28         PR gold/13288
  29         * fileread.cc (File_read::find_view): Add assert.
  30         (File_read::make_view): Move bounds check (replace with assert)...
  31         (File_read::find_or_make_view): ... to here.
  32
  33 2011-10-12  Cary Coutant  <ccoutant@google.com>
  34
  35         * output.cc (Output_file::open_base_file): Handle case where
  36         ::read returns less than requested size.
  37
  38 2011-10-10  Cary Coutant  <ccoutant@google.com>
  39
  40         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
  41         Initialize defined_count_.
  42         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
  43         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
  44         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
  45         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
  46         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
  47         * incremental.h (Sized_relobj_incr::defined_count_): New data
  48         member.
  49         (Sized_incr_dynobj::defined_count_): New data member.
  50         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
  51         Return zeroes instead of internal error.
  52
  53 2011-10-10  Cary Coutant  <ccoutant@google.com>
  54
  55         PR gold/13249
  56         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
  57         (Output_reloc::symbol_value): Return PLT offset if flag is set.
  58         * output.h (class Output_reloc): Add use_plt_offset flag.
  59         (Output_reloc::type_): Adjust size of bit field.
  60         (Output_reloc::use_plt_offset_): New bit field.
  61         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
  62         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
  63         flag.  Adjust all callers.
  64         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
  65         creating RELATIVE relocations.
  66
  67 2011-10-10  Nick Clifton  <nickc@redhat.com>
  68
  69         * po/es.po: Updated Spanish translation.
  70         * po/fi.po: Updated Finnish translation.
  71
  72 2011-10-03   Diego Novillo  <dnovillo@google.com>
  73
  74         * options.cc (parse_uint): Fix dereference of RETVAL.
  75
  76 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
  77
  78         * layout.h (section_order_map_): New member.
  79         (get_section_order_map): New member function.
  80         * output.cc (Output_section::add_input_section): Check for patterns
  81         only when --section-ordering-file is specified.
  82         * gold.cc (queue_middle_tasks): Delay updating order of sections till
  83         output_sections have been formed.
  84         * layout.cc (Layout_Layout): Initialize section_order_map_.
  85         * plugin.cc (update_section_order): Store order in order_map. Do not
  86         update the order.
  87         * testsuite/Makefile.am: Add test case for plugin_final_layout.
  88         * testsuite/Makefile.in: Regenerate.
  89         * testsuite/plugin_section_order.c: New file.
  90         * testsuite/plugin_final_layout.cc: New file.
  91         * testsuite/plugin_final_layout.sh: New file.
  92
  93 2011-09-29  Cary Coutant  <ccoutant@google.com>
  94
  95         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
  96         Check for NULL.
  97         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
  98         symbols during incremental update.
  99         (Symbol_table::add_from_dynobj): Likewise.
 100
 101 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 102             Ian Lance Taylor  <iant@google.com>
 103
 104         * symtab.cc (Symbol_table::define_special_symbol): Always
 105         canonicalize version string.
 106
 107 2011-09-26  Cary Coutant  <ccoutant@google.com>
 108
 109         * gold.cc (queue_initial_tasks): Move option checks ...
 110         * options.cc (General_options::finalize): ... to here. Disable
 111         some options; make others fatal.
 112
 113 2011-09-26  Cary Coutant  <ccoutant@google.com>
 114
 115         gcc PR lto/47247
 116         * plugin.cc (get_symbols_v2): New function.
 117         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 118         (is_referenced_from_outside): New function.
 119         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 120         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 121         (get_symbols): Pass version parameter.
 122         (get_symbols_v2): New function.
 123         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 124         parameter.
 125         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 126         (onload): Add LDPT_GET_SYMBOLS_V2.
 127         (all_symbols_read_hook): Use get_symbols_v2; check for
 128         LDPR_PREVAILING_DEF_IRONLY_EXP.
 129         * testsuite/plugin_test_3.sh: Update expected results.
 130
 131 2011-09-23  Simon Baldwin  <simonb@google.com>
 132
 133         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 134         configuration options.
 135         * configure: Regenerate.
 136         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 137         * Makefile.in: Regenerate.
 138         * testsuite/Makefile.in: Regenerate.
 139
 140 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 141
 142         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 143
 144 2011-09-19  Cary Coutant  <ccoutant@google.com>
 145
 146         * incremental.cc (can_incremental_update): Fix typo in comment.
 147         * incremental.h (can_incremental_update): Likewise.
 148
 149 2011-09-18  Cary Coutant  <ccoutant@google.com>
 150
 151         * incremental.cc (can_incremental_update): New function.
 152         * incremental.h (can_incremental_update): New function.
 153         * layout.cc (Layout::init_fixed_output_section): Call it.
 154         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 155         * object.cc (Sized_relobj_file::do_layout): Call
 156         can_incremental_update.
 157
 158 2011-09-13  Cary Coutant  <ccoutant@google.com>
 159
 160         * configure.ac: Check for glibc support for gnu_indirect_function
 161         support with static linking, setting automake conditional
 162         IFUNC_STATIC.
 163         * Makefile.in: Regenerate.
 164         * configure: Regenerate.
 165
 166         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 167         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 168         for IFUNC_STATIC.
 169         * testsuite/Makefile.in: Regenerate.
 170
 171 2011-09-13  Cary Coutant  <ccoutant@google.com>
 172
 173         * incremental.cc (Sized_relobj_incr::do_layout): Call
 174         report_comdat_group for kept comdat sections.
 175         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 176         * testsuite/Makefile.in: Regenerate.
 177         * testsuite/incr_comdat_test_1.cc: New source file.
 178         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 179         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 180         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 181
 182 2011-09-13  Ian Lance Taylor  <iant@google.com>
 183
 184         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 185         variable external_symbols_offset.
 186
 187 2011-09-12  Ian Lance Taylor  <iant@google.com>
 188
 189         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 190         triggered if object has no symbols.
 191
 192 2011-09-09  David S. Miller  <davem@davemloft.net>
 193
 194         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 195         (Output_fill_debug_line::do_write): Likewise.
 196
 197 2011-08-29  Cary Coutant  <ccoutant@google.com>
 198
 199         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 200         casts to match formatting specs.
 201         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 202
 203 2011-08-26  Cary Coutant  <ccoutant@google.com>
 204
 205         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 206         remaining hole size when allocating.
 207         (Layout::make_output_section): Set fill methods for debug sections.
 208         * layout.h (Free_list::Free_list_node): Move from private to
 209         public.
 210         (Free_list::set_min_hole_size): New function.
 211         (Free_list::begin, Free_list::end): New functions.
 212         (Free_list::min_hole_): New data member.
 213         * output.cc: Include dwarf.h.
 214         (Output_fill_debug_info::do_minimum_hole_size): New function.
 215         (Output_fill_debug_info::do_write): New function.
 216         (Output_fill_debug_line::do_minimum_hole_size): New function.
 217         (Output_fill_debug_line::do_write): New function.
 218         (Output_section::Output_section): Initialize new data member.
 219         (Output_section::set_final_data_size): Ensure patch space is larger
 220         than minimum hole size.
 221         (Output_section::do_write): Fill holes in debug sections.
 222         * output.h (Output_fill): New class.
 223         (Output_fill_debug_info): New class.
 224         (Output_fill_debug_line): New class.
 225         (Output_section::set_free_space_fill): New function.
 226         (Output_section::free_space_fill_): New data member.
 227         * testsuite/Makefile.am (incremental_test_3): Add
 228         --incremental-patch option.
 229         (incremental_test_4): Likewise.
 230         (incremental_test_5): Likewise.
 231         (incremental_test_6): Likewise.
 232         (incremental_copy_test): Likewise.
 233         (incremental_common_test_1): Likewise.
 234         * testsuite/Makefile.in: Regenerate.
 235
 236 2011-08-26  Nick Clifton  <nickc@redhat.com>
 237
 238         * po/es.po: Updated Spanish translation.
 239
 240 2011-08-01  Cary Coutant  <ccoutant@google.com>
 241
 242         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 243         * gold/testsuite/Makefile.in: Regenerate.
 244         * gold/testsuite/justsyms_exec.c: New source file.
 245         * gold/testsuite/justsyms_lib.c: New source file.
 246
 247 2011-08-01  Cary Coutant  <ccoutant@google.com>
 248
 249         * layout.cc (Layout::set_segment_offsets): Don't realign text
 250         segment if -Ttext was specified.
 251         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 252         file type.
 253         * object.h (Sized_relobj_file::e_type): New function.
 254         (Sized_relobj_file::e_type_): New data member.
 255         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 256         base address for ET_EXEC files.
 257         * target.cc (Target::do_make_elf_object_implementation): Allow
 258         ET_EXEC files with --just-symbols option.
 259
 260 2011-07-28  Cary Coutant  <ccoutant@google.com>
 261
 262         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 263         Add thread_number parameter.
 264         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 265         * workqueue-threads.cc
 266         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 267         current thread if its thread number is greater than desired thread
 268         count.
 269         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 270         Add thread_number parameter.
 271         (Workqueue::should_cancel_thread): Likewise.
 272         (Workqueue::find_runnable_or_wait): Pass thread_number to
 273         should_cancel_thread.
 274         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 275         parameter.
 276
 277 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 278
 279         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 280         only after checking if it cannot be forced local.
 281         * symtab.h (is_externally_visible): Check if the symbol is not forced
 282         local.
 283
 284 2011-07-15  Ian Lance Taylor  <iant@google.com>
 285
 286         * options.h (class General_options): Add --print-output-format.
 287         Move -EL next to -EB, for  better --help output.
 288         * target-select.cc: Include <cstdio>, "options.h", and
 289         "parameters.h".
 290         (Target_selector::do_target_bfd_name): New function.
 291         (print_output_format): New function.
 292         * target-select.h (class Target_selector): Update declarations.
 293         (Target_selector::target_bfd_name): New function.
 294         (print_output_format): Declare.
 295         * main.cc: Include "target-select.h".
 296         (main): Handle --print-output-format.
 297         * gold.cc: Include "target-select.h".
 298         (queue_initial_tasks): Handle --print-output-format when there are
 299         no input files.
 300         * parameters.cc (parameters_force_valid_target): Give a better
 301         error message if -EB/-EL does not match target.
 302         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 303         function.
 304
 305 2011-07-15  Ian Lance Taylor  <iant@google.com>
 306
 307         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 308         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 309         (Output_data_plt_i386::do_write): Write address of .dynamic
 310         section to first entry in .got.plt section.
 311         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 312         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 313         Initialize layout_.
 314         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 315         section to first entry in .got.plt section.
 316         * layout.h (Layout::dynamic_section): New function.
 317
 318 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 319
 320         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 321         to claim_file call.
 322         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 323         input_section_position_, and input_section_glob_.
 324         (read_layout_from_file): Call function section_ordering_specified.
 325         * layout.h (is_section_ordering_specified): New function.
 326         (section_ordering_specified): New function.
 327         (section_ordering_specified_): New boolean member.
 328         * main.cc(main): Call load_plugins after layout object is defined.
 329         * output.cc (Output_section::add_input_section): Use
 330         function section_ordering_specified to check if section ordering is
 331         needed.
 332         * output.cc (Output_section::add_relaxed_input_section): Use
 333         function section_ordering_specified to check if section ordering is
 334         needed.
 335         (Output_section::update_section_layout): New function.
 336         (Output_section::sort_attached_input_sections): Check if input section
 337         must be reordered.
 338         * output.h (Output_section::update_section_layout): New function.
 339         * plugin.cc (get_section_count): New function.
 340         (get_section_type): New function.
 341         (get_section_name): New function.
 342         (get_section_contents): New function.
 343         (update_section_order): New function.
 344         (allow_section_ordering): New function.
 345         (Plugin::load): Add the new interfaces to the transfer vector.
 346         (Plugin_manager::load_plugins): New parameter.
 347         (Plugin_manager::all_symbols_read): New parameter.
 348         (Plugin_manager::claim_file): New parameter. Save the elf object for
 349         unclaimed objects.
 350         (Plugin_manager::get_elf_object): New function.
 351         (Plugin_manager::get_view): Change to directly use the bool to check
 352         if get_view is called from claim_file_hook.
 353         * plugin.h (input_objects): New function
 354         (Plugin__manager::load_plugins): New parameter.
 355         (Plugin_manager::claim_file): New parameter.
 356         (Plugin_manager::get_elf_object): New function.
 357         (Plugin_manager::in_claim_file_handler): New function.
 358         (Plugin_manager::in_claim_file_handler_): New member.
 359         (layout): New function.
 360         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 361         handler with an extra parameter. Make the elf object before calling
 362         claim_file handler.
 363         * testsuite/plugin_test.c (get_section_count): New function pointer.
 364         (get_section_type): New function pointer.
 365         (get_section_name): New function pointer.
 366         (get_section_contents): New function pointer.
 367         (update_section_order): New function pointer.
 368         (allow_section_ordering): New function pointer.
 369         (onload): Check if the new interfaces exist.
 370
 371 2011-07-13  Ian Lance Taylor  <iant@google.com>
 372
 373         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 374         relro section.
 375         * x86_64.cc (Target_x86_64::got_section): Likewise.
 376         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 377         (relro_now_test_SOURCES): New variable.
 378         (relro_now_test_DEPENDENCIES): New variable.
 379         (relro_now_test_LDFLAGS): New variable.
 380         (relro_now_test_LDADD): New variable.
 381         (relro_now_test.so): New target.
 382         * testsuite/Makefile.in: Rebuild.
 383
 384 2011-07-12  Ian Lance Taylor  <iant@google.com>
 385
 386         PR gold/12980
 387         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 388         GLOB_DAT relocation rather than a RELATIVE relocation for a
 389         protected symbol when creating a shared library.
 390         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 391         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 392         * testsuite/protected_main_1.cc (main): Test that protected
 393         function has same address.
 394
 395 2011-07-11  Ian Lance Taylor  <iant@google.com>
 396
 397         PR gold/12979
 398         * options.h (class General_options): Add -Bgroup.
 399         * options.cc (General_options::finalize): If -Bgroup is set,
 400         default to --unresolved-symbols=report-all.
 401         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 402         * target-reloc.h (issue_undefined_symbol_error): Handle
 403         --unresolved-symbols=report-all.
 404
 405 2011-07-08  Ian Lance Taylor  <iant@google.com>
 406
 407         PR gold/11985
 408         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 409         if linker script discards key sections.
 410         (Layout::create_dynamic_symtab): Likewise.
 411         (Layout::assign_local_dynsym_offsets): Likewise.
 412         (Layout::sized_create_version_sections): Likewise.
 413         (Layout::create_interp): Likewise.
 414         (Layout::finish_dynamic_section): Likewise.
 415         (Layout::set_dynamic_symbol_size): Likewise.
 416
 417 2011-07-08  Ian Lance Taylor  <iant@google.com>
 418
 419         PR gold/12386
 420         * options.h (class General_options): Add --unresolved-symbols.
 421         * target-reloc.h (issue_undefined_symbol_error): Check
 422         --unresolved-symbols.  Add comments.
 423
 424 2011-07-08  Ian Lance Taylor  <iant@google.com>
 425
 426         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 427         expression more complex.
 428
 429 2011-07-08  Ian Lance Taylor  <iant@google.com>
 430
 431         PR gold/11317
 432         * target-reloc.h (issue_undefined_symbol_error): New inline
 433         function, broken out of relocate_section.
 434         (relocate_section): Call issue_undefined_symbol_error.
 435         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 436         there is no TLS segment if we are about to issue an undefined
 437         symbol error.
 438         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 439
 440 2011-07-08  Ian Lance Taylor  <iant@google.com>
 441
 442         PR gold/12279
 443         * resolve.cc (Symbol_table::should_override): Add fromtype
 444         parameter.  Change all callers.  Give error when linking together
 445         TLS and non-TLS symbol.
 446         (Symbol_table::should_override_with_special): Add fromtype
 447         parameter.  Change all callers.
 448         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 449         there is no TLS segment if we have reported some errors.
 450         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 451
 452 2011-07-08  Ian Lance Taylor  <iant@google.com>
 453
 454         PR gold/12372
 455         * target.h (Target::plt_address_for_global): New function.
 456         (Target::plt_address_for_local): New function.
 457         (Target::plt_section_for_global): Remove.
 458         (Target::plt_section_for_local): Remove.
 459         (Target::do_plt_address_for_global): New virtual function.
 460         (Target::do_plt_address_for_local): New virtual function.
 461         (Target::do_plt_section_for_global): Remove.
 462         (Target::do_plt_section_for_local): Remove.
 463         (Target::register_global_plt_entry): Add Symbol_table and Layout
 464         parameters.
 465         * output.cc (Output_data_got::Got_entry::write): Use
 466         plt_address_for_global and plt_address_for_local.
 467         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 468         address of output section.
 469         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 470         got_irelative_, and irelative_count_ fields.  Update
 471         declarations.
 472         (Output_data_plt_i386::has_irelative_section): New function.
 473         (Output_data_plt_i386::entry_count): Add irelative_count_.
 474         (Output_data_plt_i386::set_final_data_size): Likewise.
 475         (class Target_i386): Add got_irelative_ and rel_irelative_
 476         fields.  Update declarations.
 477         (Target_i386::Target_i386): Initialize new fields.
 478         (Target_i386::do_plt_address_for_global): New function replacing
 479         do_plt_section_for_global.
 480         (Target_i386::do_plt_address_for_local): New function replacing
 481         do_plt_section_for_local.
 482         (Target_i386::got_section): Create got_irelative_.
 483         (Target_i386::rel_irelative_section): New function.
 484         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 485         fields.  Don't define __rel_iplt_{start,end}.
 486         (Output_data_plt_i386::add_entry): Add symtab and layout
 487         parameters.  Change all callers.  Use different PLT and GOT for
 488         IFUNC symbols.
 489         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 490         layout parameters.  Change all callers.  Use different PLT and
 491         GOT.
 492         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 493         (Output_data_plt_i386::rel_irelative): New function.
 494         (Output_data_plt_i386::address_for_global): New function.
 495         (Output_data_plt_i386::address_for_local): New function.
 496         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 497         IRELATIVE GOT when changing IFUNC GOT entries.
 498         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 499         reloc.
 500         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 501         if we didn't create an IRELATIVE GOT.
 502         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 503         plt_address_for_local.
 504         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 505         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 506         got_irelative_, and irelative_count_ fields.  Update
 507         declarations.
 508         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 509         Initialize new fields.  Remove symtab parameter.  Change all
 510         callers.
 511         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 512         irelative_count_.
 513         (Output_data_plt_x86_64::has_irelative_section): New function.
 514         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 515         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 516         fields.  Update declarations.
 517         (Target_x86_64::Target_x86_64): Initialize new fields.
 518         (Target_x86_64::do_plt_address_for_global): New function replacing
 519         do_plt_section_for_global.
 520         (Target_x86_64::do_plt_address_for_local): New function replacing
 521         do_plt_section_for_local.
 522         (Target_x86_64::got_section): Create got_irelative_.
 523         (Target_x86_64::rela_irelative_section): New function.
 524         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 525         all callers.  Don't create __rel_iplt_{start,end}.
 526         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 527         parameters.  Change all callers.  Use different PLT and GOT for
 528         IFUNC symbols.
 529         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 530         layout parameters.  Change all callers.  Use different PLT and
 531         GOT.
 532         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 533         parameters.  Change all callers.  Use different PLT and GOT for
 534         IFUNC symbols.
 535         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 536         (Output_data_plt_x86_64::rela_irelative): New function.
 537         (Output_data_plt_x86_64::address_for_global): New function.
 538         (Output_data_plt_x86_64::address_for_local): New function.
 539         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 540         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 541         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 542         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 543         parameters.
 544         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 545         reloc.
 546         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 547         symbols if we didn't create an IRELATIVE GOT.
 548         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 549         plt_address_for_local.
 550         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 551         * testsuite/ifuncvar1.c: New test file.
 552         * testsuite/ifuncvar2.c: New test file.
 553         * testsuite/ifuncvar3.c: New test file.
 554         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 555         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 556         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 557         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 558         * testsuite/Makefile.in: Rebuild.
 559
 560 2011-07-07  Cary Coutant  <ccoutant@google.com>
 561
 562         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 563         (two_file_test_1_ndebug.o): Likewise.
 564         (two_file_test_1b_ndebug.o): Likewise.
 565         (two_file_test_2_ndebug.o): Likewise.
 566         (two_file_test_main_ndebug.o): Likewise.
 567         (incremental_test_2): Link with no-debug versions.
 568
 569 2011-07-06  Cary Coutant  <ccoutant@google.com>
 570
 571         * gold/incremental.cc
 572         (Output_section_incremental_inputs::write_info_blocks): Check for
 573         hidden and internal symbols.
 574
 575 2011-07-06  Cary Coutant  <ccoutant@google.com>
 576
 577         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 578         Check disposition for startup file.
 579         (Incremental_inputs::report_command_line): Ignore
 580         --incremental-startup-unchanged option.
 581         * options.cc (General_options::parse_incremental_startup_unchanged):
 582         New function.
 583         (General_options::General_options): Initialize new data member.
 584         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 585         (General_options): Add --incremental-startup-unchanged option.
 586         (General_options::incremental_startup_disposition): New function.
 587         (General_options::incremental_startup_disposition_): New data member.
 588
 589 2011-07-06  Cary Coutant  <ccoutant@google.com>
 590
 591         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 592         input file index to Script_info ctor.
 593         (Sized_incremental_binary::do_file_has_changed): Find the
 594         command-line argument for files named in scripts.
 595         * incremental.h (Script_info::Script_info): New ctor
 596         with input file index.
 597         (Script_info::input_file_index): New function.
 598         (Script_info::input_file_index_): New data member.
 599         (Incremental_binary::get_library): Add const.
 600         (Incremental_binary::get_script_info): Add const.
 601         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 602         * testsuite/Makefile.am (incremental_test_5): New test case.
 603         (incremental_test_6): New test case.
 604         * testsuite/Makefile.in: Regenerate.
 605
 606 2011-07-06  Cary Coutant  <ccoutant@google.com>
 607
 608         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 609         debug output when command lines differ.
 610
 611 2011-07-06  Cary Coutant  <ccoutant@google.com>
 612
 613         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 614         --incremental-patch option.
 615         * layout.cc (Free_list::allocate): Extend allocation beyond original
 616         end if enabled.
 617         (Layout::make_output_section): Mark sections that should get
 618         patch space.
 619         * options.cc (parse_percent): New function.
 620         * options.h (parse_percent): New function.
 621         (DEFINE_percent): New macro.
 622         (General_options): Add --incremental-patch option.
 623         * output.cc (Output_section::Output_section): Initialize new data
 624         members.
 625         (Output_section::add_input_section): Print section name when out
 626         of patch space.
 627         (Output_section::add_output_section_data): Likewise.
 628         (Output_section::set_final_data_size): Add patch space when
 629         doing --incremental-full.
 630         (Output_section::do_reset_address_and_file_offset): Remove patch
 631         space.
 632         (Output_segment::set_section_list_addresses): Print debug output
 633         only if --incremental-update.
 634         * output.h (Output_section::set_is_patch_space_allowed): New function.
 635         (Output_section::is_patch_space_allowed_): New data member.
 636         (Output_section::patch_space_): New data member.
 637         * parameters.cc (Parameters::incremental_full): New function.
 638         * parameters.h (Parameters::incremental_full): New function
 639         * testsuite/Makefile.am (incremental_test_2): Add test for
 640         --incremental-patch option.
 641         * testsuite/Makefile.in: Regenerate.
 642         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 643         (t18): Remove function body.
 644
 645 2011-07-05  Doug Kwan  <dougkwan@google.com>
 646
 647         PR gold/12771
 648         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 649         Arm_Address type for relocation result.
 650         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 651         overflow check.
 652         (Arm_relocate_functions::abs32): Use unaligned access.
 653         (Arm_relocate_functions::rel32): Ditto.
 654         (Arm_relocate_functions::prel31): Ditto.
 655         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 656         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 657         static data relocations.
 658         * testsuite/Makefile.in: Regnerate.
 659         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 660
 661 2011-07-05  Ian Lance Taylor  <iant@google.com>
 662
 663         PR gold/12392
 664         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 665         symbols if necessary.
 666         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 667
 668 2011-07-05  Ian Lance Taylor  <iant@google.com>
 669
 670         PR gold/12952
 671         * resolve.cc (Symbol::override_base_with_special): Simply override
 672         version with special symbol version, ignoring previous version.
 673
 674 2011-07-05  Ian Lance Taylor  <iant@google.com>
 675
 676         * object.cc (Sized_relobj_file::include_section_group): Add
 677         information to comment about signature location.
 678
 679 2011-07-02  Ian Lance Taylor  <iant@google.com>
 680
 681         PR gold/12957
 682         * options.h (class General_options): Add -f and -F.
 683         * options.cc (General_options::finalize): Fatal error if -f/-F
 684         are used without -shared.
 685         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 686
 687 2011-07-02  Ian Lance Taylor  <iant@google.com>
 688
 689         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 690
 691 2011-07-01  Ian Lance Taylor  <iant@google.com>
 692
 693         PR gold/12525
 694         PR gold/12952
 695         * resolve.cc (Symbol::override_base_with_special): Don't override
 696         the version if the overriding symbol has a different name.
 697         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 698         all callers.  If we give an error about an undefined version,
 699         define the base version if necessary.
 700         * dynobj.h (class Versions): Update declaration.
 701         * testsuite/weak_alias_test_5.cc: New file.
 702         * testsuite/weak_alias_test.script: New file.
 703         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 704         and versioned_alias have the right value, and call t2.
 705         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 706         weak_alias_test_5.so.
 707         (weak_alias_test_LDADD): Likewise.
 708         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 709         * testsuite/Makefile.in: Rebuild.
 710
 711 2011-07-01  Ian Lance Taylor  <iant@google.com>
 712
 713         PR gold/12525
 714         * options.h (class General_options): Support -z notext.
 715         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 716         -Wl,-z,notext.
 717         (two_file_shared_nonpic.so): Likewise.
 718         (two_file_shared_mixed.so): Likewise.
 719         (two_file_shared_mixed_1.so): Likewise.
 720         (weak_undef_lib_nonpic.so): Likewise.
 721         (alt/weak_undef_lib_nonpic.so): Likewise.
 722         (tls_test_shared_nonpic.so): Likewise.
 723         * testsuite/Makefile.in: Rebuild.
 724
 725 2011-07-01  Ian Lance Taylor  <iant@google.com>
 726
 727         PR gold/12525
 728         * configure.ac: Test whether static linking works, setting
 729         the automake conditional HAVE_STATIC.
 730         * testsuite/Makefile.am: Disable tests using -static if
 731         HAVE_STATIC is not true.
 732         * configure, testsuite/Makefile.in: Rebuild.
 733
 734 2011-07-01  Ian Lance Taylor  <iant@google.com>
 735
 736         PR gold/12525
 737         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 738         Assert if we see DW_EH_PE_indirect.
 739         * target.h (Target::ehframe_datarel_base): New function.
 740         (Target::do_ehframe_datarel_base): New target function.
 741         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 742         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 743         function.
 744
 745 2011-07-01  Ian Lance Taylor  <iant@google.com>
 746
 747         PR gold/12571
 748         * options.h (class General_options): Add
 749         --ld-generated-unwind-info.
 750         * ehframe.cc (Fde::write): Add address parameter.  Change all
 751         callers.  If associated with PLT, fill in address and size.
 752         (Cie::set_output_offset): Only add merge mapping if there is an
 753         object.
 754         (Cie::write): Add address parameter.  Change all callers.
 755         (Eh_frame::add_ehframe_for_plt): New function.
 756         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 757         input_offset_ fields into union u_, with new plt field.
 758         (Fde::Fde): Adjust for new union field.
 759         (Fde::Fde) [Output_data version]: New constructor.
 760         (Fde::add_mapping): Only add merge mapping if there is an object.
 761         (class Cie): Update declarations.
 762         (class Eh_frame): Declare add_ehframe_for_plt.
 763         * layout.cc (Layout::layout_eh_frame): Break out code into
 764         make_eh_frame_section, and call it.
 765         (Layout::make_eh_frame_section): New function.
 766         (Layout::add_eh_frame_for_plt): New function.
 767         * layout.h (class Layout): Update declarations.
 768         * merge.cc (Merge_map::add_mapping): Add assertion.
 769         * i386.cc: Include "dwarf.h".
 770         (class Output_data_plt_i386): Make first_plt_entry,
 771         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 772         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 773         and plt_eh_frame_fde.
 774         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 775         boundary.  Call add_eh_frame_for_plt if appropriate.
 776         * x86_64.cc: Include "dwarf.h".
 777         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 778         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 779         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 780         and plt_eh_frame_fde.
 781         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 782         appropriate.
 783
 784 2011-06-29  Ian Lance Taylor  <iant@google.com>
 785
 786         PR gold/12629
 787         * object.cc (Sized_relobj_file::layout_section): Change shdr
 788         parameter to be const.
 789         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 790         out of do_layout.
 791         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 792         appropriate.  Call layout_eh_frame_section.
 793         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 794         sections.
 795         * object.h (class Sized_relobj_file): Update declarations.
 796
 797 2011-06-29  Ian Lance Taylor  <iant@google.com>
 798
 799         PR gold/12652
 800         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 801         modifier.
 802         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 803
 804 2011-06-29  Ian Lance Taylor  <iant@google.com>
 805
 806         PR gold/12675
 807         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 808         SHT_X86_64_UNWIND.
 809         * layout.cc (Layout::layout_eh_frame): Likewise.
 810
 811 2011-06-29  Ian Lance Taylor  <iant@google.com>
 812
 813         PR gold/12695
 814         * layout.cc (Layout::symtab_section_shndx): New function.
 815         * layout.h (class Layout): Declare symtab_section_shndx.
 816         * output.cc (Output_section::write_header): Call it.
 817
 818 2011-06-29  Ian Lance Taylor  <iant@google.com>
 819
 820         PR gold/12818
 821         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 822         symbols which are not used in a relocation.
 823
 824 2011-06-28  Ian Lance Taylor  <iant@google.com>
 825
 826         PR gold/12898
 827         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 828         script create indistinguishable segments.
 829         (Layout::set_segment_offsets): Use stable_sort when sorting
 830         segments.  Pass this to Compare_segments constructor.
 831         * layout.h (class Layout): Make segment_precedes non-static.
 832         (class Compare_segments): Change from struct to class.  Add
 833         layout_ field.  Add constructor.
 834         * script-sections.cc
 835         (Script_sections::attach_sections_using_phdrs_clause): Rename
 836         local orphan to is_orphan.  Don't report failure to put empty
 837         section in segment.  On attachment failure, report name of
 838         section, and attach to first PT_LOAD segment.
 839
 840 2011-06-28  Ian Lance Taylor  <iant@google.com>
 841
 842         PR gold/12934
 843         * target-select.cc (Target_selector::Target_selector): Add
 844         emulation parameter.  Change all callers.
 845         (select_target_by_bfd_name): Rename from select_target_by_name.
 846         Change all callers.
 847         (select_target_by_emulation): New function.
 848         (supported_emulation_names): New function.
 849         * target-select.h (class Target_selector): Add emulation_ field.
 850         Update declarations.
 851         (Target_selector::recognize_by_bfd_name): Rename from
 852         recognize_by_name.  Change all callers.
 853         (Target_selector::supported_bfd_names): Rename from
 854         supported_names.  Change all callers.
 855         (Target_selector::recognize_by_emulation): New function.
 856         (Target_selector::supported_emulations): New function.
 857         (Target_selector::emulation): New function.
 858         (Target_selector::do_recognize_by_bfd_name): Rename from
 859         do_recognize_by_name.  Change all callers.
 860         (Target_selector::do_supported_bfd_names): Rename from
 861         do_supported_names.  Change all callers.
 862         (Target_selector::do_recognize_by_emulation): New function.
 863         (Target_selector::do_supported_emulations): New function.
 864         (select_target_by_bfd_name): Change name in declaration.
 865         (select_target_by_emulation): Declare.
 866         (supported_emulation_names): Declare.
 867         * parameters.cc (parameters_force_valid_target): Try to find
 868         target based on emulation from -m option.
 869         * options.h (class General_options): Change doc string for -m.
 870         * options.cc (help): Print emulations.
 871         (General_options::parse_V): Likewise.
 872         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 873         Add emulation parameter.  Change all callers.
 874
 875 2011-06-28  Ian Lance Taylor  <iant@google.com>
 876
 877         * target.h (class Target): Add osabi_ field.
 878         (Target::osabi): New function.
 879         (Target::set_osabi): New function.
 880         (Target::Target): Initialize osabi_.
 881         (Target::do_adjust_elf_header): Make pure virtual.
 882         (Sized_target::do_adjust_elf_header): Declare.
 883         * target.cc (Sized_target::do_adjust_elf_header): New function.
 884         (class Sized_target): Instantiate all versions.
 885         * freebsd.h (class Target_freebsd): Remove.
 886         (Target_selector_freebsd::do_recognize): Call set_osabi on
 887         Target.
 888         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 889         (Target_selector_freebsd::set_osabi): Remove.
 890         * i386.cc (class Target_i386): Inherit from Sized_target rather
 891         than Target_freebsd.
 892         * x86_64.cc (class Target_x86_64): Likewise.
 893
 894 2011-06-28  Ian Lance Taylor  <iant@google.com>
 895
 896         * target.h (Target::can_check_for_function_pointers): Rewrite.
 897         Make non-virtual.
 898         (Target::can_icf_inline_merge_sections): Likewise.
 899         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 900         (Target::Target_info): Add can_icf_inline_merge_sections field.
 901         (Target::do_can_check_for_function_pointers): New virtual
 902         function.
 903         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 904         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 905         from can_check_for_function_pointers, move in file.
 906         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 907         section_may_have_icf_unsafe_poineters, move in file.
 908         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 909         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 910         Rename from can_check_for_function_pointers, move in file.
 911         (Target_i386::can_icf_inline_merge_sections): Remove.
 912         (Target_i386::i386_info): Initialize
 913         can_icf_inline_merge_sections.
 914         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 915         Initialize can_icf_inline_merge_sections.
 916         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 917         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 918         Rename from can_check_for_function_pointers, move in file.
 919         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 920         (Target_x86_64::x86_64_info): Initialize
 921         can_icf_inline_merge_sections.
 922         * testsuite/testfile.cc (Target_test::test_target_info):
 923         Likewise.
 924         * icf.cc (get_section_contents): Correct formatting.
 925
 926 2011-06-27  Ian Lance Taylor  <iant@google.com>
 927
 928         * symtab.cc (Symbol::versioned_name): New function.
 929         (Symbol_table::add_to_final_symtab): Use versioned_name when
 930         appropriate.
 931         (Symbol_table::sized_write_symbol): Likewise.
 932         * symtab.h (class Symbol): Declare versioned_name.
 933         * stringpool.h (class Stringpool_template): Add variant of add
 934         which takes a std::basic_string.
 935         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 936         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 937         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 938         (ver_test_12.o): New target.
 939         * testsuite/Makefile.in: Rebuild.
 940
 941 2011-06-27  Doug Kwan  <dougkwan@google.com>
 942
 943         * arm.cc (Arm_relocate_functions::thm_jump8,
 944         Arm_relocate_functions::thm_jump11): Use a wider signed
 945         type to compute offset.
 946         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 947         arm_thm_jump8.
 948         * testsuite/Makefile.in: Regenerate.
 949         * testsuite/arm_branch_in_range.sh: Check test results of
 950         arm_thm_jump11 and arm_thm_jump8.
 951         * testsuite/arm_thm_jump11.s: New test source file.
 952         * testsuite/arm_thm_jump11.t: New linker script.
 953         * testsuite/arm_thm_jump8.s: New test source file.
 954         * testsuite/arm_thm_jump8.t: New linker script.
 955
 956 2011-06-24  Ian Lance Taylor  <iant@google.com>
 957
 958         * layout.cc: Include "object.h".
 959         (ctors_sections_in_init_array): New static variable.
 960         (Layout::is_ctors_in_init_array): New function.
 961         (Layout::layout): Add entry to ctors_sections_in_init_array if
 962         appropriate.
 963         * layout.h (class Layout): Declare is_ctors_in_init_array.
 964         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 965         is_ctors_reverse_view is set.
 966         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 967         all callers.  Set is_ctors_reverse_view field of View_size.
 968         (Sized_relobj_file::reverse_words): New function.
 969         * object.h (Sized_relobj_file::View_size): Add
 970         is_ctors_reverse_view field.
 971         (class Sized_relobj_file): Update declarations.
 972         * testsuite/initpri3.c: New test.
 973         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 974         initpri3b.
 975         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 976         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 977         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 978         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 979         * testsuite/Makefile.in: Rebuild.
 980
 981 2011-06-24  Cary Coutant  <ccoutant@google.com>
 982
 983         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 984         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 985         (debug_msg_cdebug.err): New targets.
 986         * testsuite/Makefile.in: Regenerate.
 987         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 988         Fix checks for link with shared library.
 989
 990 2011-06-24  Doug Kwan  <dougkwan@google.com>
 991
 992         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 993         skip empty text sections.
 994         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 995
 996 2011-06-22  Ian Lance Taylor  <iant@google.com>
 997
 998         PR gold/12910
 999         * options.h (class General_options): Add --ctors-in-init-array.
1000         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1001         friends as SHT_PROGBITS for merging sections.
1002         (Layout::layout): Remove special handling of .init_array and
1003         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1004         and .dtors if ctors_in_init_array.
1005         (Layout::make_output_section): Force correct section types for
1006         .init_array and friends.  Don't sort if doing relocatable link,
1007         Don't sort .ctors and .dtors if ctors_in_init_array.
1008         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1009         (Layout::output_section_name): Add relobj parameter.  Change all
1010         callers.  Handle .ctors. and .dtors. in code rather than table.
1011         Handle .ctors and .dtors if ctors_in_init_array.
1012         (Layout::match_file_name): New function, moved from output.cc.
1013         * layout.h (class Layout): Update declarations.
1014         * output.cc: Include "layout.h".
1015         (Input_section_sort_entry::get_priority): New function.
1016         (Input_section_sort_entry::match_file_name): Just call
1017         Layout::match_file_name.
1018         (Output_section::Input_section_sort_init_fini_compare::operator()):
1019         Handle .ctors and .dtors.  Sort by explicit priority rather than
1020         by name.
1021         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1022         * testsuite/initpri2.c: New test.
1023         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1024         (check_PROGRAMS): Add initpri2.
1025         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1026         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1027         * configure, testsuite/Makefile.in: Rebuild.
1028
1029 2011-06-19  Ian Lance Taylor  <iant@google.com>
1030
1031         PR gold/12880
1032         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1033         .interp section to a PT_INTERP segment even if we have seen a
1034         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1035         clause in a linker script.
1036         (Layout::finalize): Don't create a .interp section if we've
1037         already create a PT_INTERP segment.
1038         (Layout::create_interp): Always call choose_output_section (revert
1039         patch of 2011-06-17).  Don't create PT_INTERP segment.
1040         * script-sections.cc
1041         (Script_sections::create_note_and_tls_segments): Add a .interp
1042         section to a PT_INTERP segment even if we have seen a
1043         --dynamic-linker option.
1044
1045 2011-06-18  Ian Lance Taylor  <iant@google.com>
1046
1047         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1048         merely because a non-PT_LOAD segment has a dynamic reloc.
1049
1050 2011-06-18  Ian Lance Taylor  <iant@google.com>
1051
1052         * layout.cc (Layout::finish_dynamic_section): Don't create
1053         DT_FLAGS entry if not needed.
1054
1055 2011-06-18  Ian Lance Taylor  <iant@google.com>
1056
1057         PR gold/12745
1058         * layout.cc (Layout::layout_eh_frame): Correct handling of
1059         writable .eh_frame section.
1060
1061 2011-06-17  Ian Lance Taylor  <iant@google.com>
1062
1063         PR gold/12893
1064         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1065         symbol is redefined with the exact same object and value.
1066
1067 2011-06-17  Ian Lance Taylor  <iant@google.com>
1068
1069         PR gold/12880
1070         * layout.h (class Layout): Add interp_segment_ field.
1071         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1072         (Layout::attach_allocated_section_to_segment): If making shared
1073         library, put .interp section in PT_INTERP segment.
1074         (Layout::finalize): Also call create_interp if -dynamic-linker
1075         option was used.
1076         (Layout::create_interp): Assert that there is no PT_INTERP
1077         segment.  If not using a SECTIONS clause, use make_output_section.
1078         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1079         * script-sections.cc
1080         (Script_sections::create_note_and_tls_segments): If making shared
1081         library, put .interp section in PT_INTERP segment.
1082
1083 2011-06-17  Ian Lance Taylor  <iant@google.com>
1084
1085         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1086         when making a shared library.
1087
1088 2011-06-17  Ian Lance Taylor  <iant@google.com>
1089
1090         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1091         parameter.  Change all callers.  Don't issue warning about PC32
1092         against locally defined symbol.
1093
1094 2011-06-16  Ian Lance Taylor  <iant@google.com>
1095
1096         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1097         occurs in same object.
1098
1099 2011-06-14  Alan Modra  <amodra@gmail.com>
1100
1101         * po/POTFILES.in: Regenerate.
1102
1103 2011-06-09  Ian Lance Taylor  <iant@google.com>
1104
1105         * script-sections.cc
1106         (Orphan_output_section::set_section_addresses): For a relocatable
1107         link set address to 0.
1108
1109 2011-06-09  Cary Coutant  <ccoutant@google.com>
1110
1111         PR gold/12804
1112         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1113         used with --compress-debug-sections.
1114         * gold/object.cc (Sized_relobj_file::do_layout): Report
1115         uncompressed size of compressed input sections.
1116
1117 2011-06-08  Cary Coutant  <ccoutant@google.com>
1118
1119         PR gold/12804
1120         * testsuite/two_file_test_2_v1.cc: Change initialization of
1121         v2 to keep it in .data.
1122
1123 2011-06-07  Cary Coutant  <ccoutant@google.com>
1124
1125         * common.cc (Symbol_table::do_allocate_commons_list): Call
1126         gold_fallback.
1127         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1128         (Errors::fallback): New function.
1129         (gold_fallback): New function.
1130         * errors.h (Errors::fallback): New function.
1131         * gold.cc (gold_exit): Change status parameter to enum; adjust
1132         all callers.
1133         (queue_initial_tasks): Call gold_fallback.
1134         * gold.h: Include cstdlib.
1135         (Exit_status): New enum type.
1136         (gold_exit): Change status parameter to enum.
1137         (gold_fallback): New function.
1138         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1139         (Layout::create_symtab_sections): Likewise.
1140         (Layout::create_shdrs): Likewise.
1141         * main.cc (main): Adjust call to gold_exit.
1142         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1143         (Output_data_got::add_got_entry_pair): Likewise.
1144         (Output_section::add_input_section): Likewise.
1145         (Output_section::add_output_section_data): Likewise.
1146         (Output_segment::set_section_list_addresses): Likewise.
1147         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1148
1149 2011-06-07  Cary Coutant  <ccoutant@google.com>
1150
1151         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1152         for incremental links.
1153         * output.cc (Output_segment::set_section_list_addresses): Remove
1154         FIXME and test for TLS or BSS.
1155
1156 2011-06-07  Cary Coutant  <ccoutant@google.com>
1157
1158         * testsuite/Makefile.am: Add incremental_copy_test,
1159         incremental_common_test_1.
1160         * testsuite/Makefile.in: Regenerate.
1161         * testsuite/common_test_1_v1.c: New source file.
1162         * testsuite/common_test_1_v2.c: New source file.
1163         * testsuite/copy_test_v1.cc: New source file.
1164
1165 2011-06-07  Cary Coutant  <ccoutant@google.com>
1166
1167         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1168         update, allocate common from bss section's free list.
1169         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1170         linker-defined symbols.
1171         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1172         Skip GOT and PLT entries that are no longer referenced.
1173         (Output_section_incremental_inputs::write_info_blocks): Mark
1174         linker-defined symbols.
1175         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1176         * output.cc (Output_section::allocate): New function.
1177         * output.h (Output_section::allocate): New function.
1178         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1179         linker-defined symbols.
1180         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1181         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1182         (Symbol::init_base_output_data): Likewise.
1183         (Symbol::init_base_output_segment): Likewise.
1184         (Symbol::init_base_constant): Likewise.
1185         (Sized_symbol::init_output_data): Likewise.
1186         (Sized_symbol::init_output_segment): Likewise.
1187         (Sized_symbol::init_constant): Likewise.
1188         (Symbol_table::do_define_in_output_data): Likewise.
1189         (Symbol_table::do_define_in_output_segment): Likewise.
1190         (Symbol_table::do_define_as_constant): Likewise.
1191         * symtab.h (Symbol::is_predefined): New function.
1192         (Symbol::init_base_output_data): Add is_predefined parameter.
1193         (Symbol::init_base_output_segment): Likewise.
1194         (Symbol::init_base_constant): Likewise.
1195         (Symbol::is_predefined_): New data member.
1196         (Sized_symbol::init_output_data): Add is_predefined parameter.
1197         (Sized_symbol::init_output_segment): Likewise.
1198         (Sized_symbol::init_constant): Likewise.
1199         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1200
1201 2011-06-07  Cary Coutant  <ccoutant@google.com>
1202
1203         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1204         instead of emit_copy_reloc.
1205         (Copy_relocs::emit_copy_reloc): Refactor.
1206         (Copy_relocs::make_copy_reloc): New function.
1207         (Copy_relocs::add_copy_reloc): Remove.
1208         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1209         section.
1210         (Copy_relocs::make_copy_reloc): New function.
1211         (Copy_relocs::add_copy_reloc): Remove.
1212         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1213         unchanged input files.
1214         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1215         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1216         Reserve BSS space for COPY relocations.
1217         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1218         (Output_section_incremental_inputs::write_info_blocks): Record
1219         whether a symbol is copied from a shared object.
1220         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1221         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1222         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1223         (Incremental_input_entry_reader::get_output_symbol_index): Add
1224         is_copy parameter.
1225         (Incremental_binary::emit_copy_relocs): New function.
1226         (Incremental_binary::do_emit_copy_relocs): New function.
1227         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1228         new data member.
1229         (Sized_incremental_binary::add_copy_reloc): New function.
1230         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1231         (Sized_incremental_binary::Copy_reloc): New struct.
1232         (Sized_incremental_binary::Copy_relocs): New typedef.
1233         (Sized_incremental_binary::copy_relocs_): New data member.
1234         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1235         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1236         * target.h (Sized_target::emit_copy_reloc): New function.
1237         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1238
1239 2011-06-02  Cary Coutant  <ccoutant@google.com>
1240
1241         PR gold/12163
1242         * gold/archive.cc (Archive::Archive): Initialize new data member.
1243         (Archive::include_all_members): Return if archive has already been
1244         included.
1245         * gold/archive.h (Archive::include_all_members_): New data member.
1246
1247 2011-06-02  Nick Clifton  <nickc@redhat.com>
1248
1249         * dynobj.h: Fix spelling mistake in comment.
1250         * output.cc: Likewise.
1251
1252 2011-05-31  Doug Kwan  <dougkwan@google.com>
1253             Asier Llano
1254
1255         PR gold/12826
1256         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1257         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1258         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1259         redundant arm_exidx_test.so.
1260         * testsuite/Makefile.in: Regenerate.
1261         (check_SCRIPTS): Add pr12826.sh
1262         (check_DATA): Add pr12826.stdout
1263         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1264         * testsuite/pr12826.sh: New file.
1265         * testsuite/pr12826_1.s: Ditto.
1266         * testsuite/pr12826_1.s: Ditto.
1267
1268 2011-05-30  Ian Lance Taylor  <iant@google.com>
1269
1270         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1271         sections.
1272
1273 2011-05-29  Ian Lance Taylor  <iant@google.com>
1274
1275         PR gold/12804
1276         * testsuite/Makefile.am: Use different file name for two_file_test
1277         temporary file for each incremental test.
1278         * testsuite/Makefile.in: Rebuild.
1279
1280 2011-05-29  Ian Lance Taylor  <iant@google.com>
1281
1282         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1283         binary input file is empty.
1284
1285 2011-05-27  Ian Lance Taylor  <iant@google.com>
1286
1287         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1288         (ver_test_9.so): Likewise.
1289         * testsuite/Makefile.in: Rebuild.
1290
1291 2011-05-26 Cary Coutant  <ccoutant@google.com>
1292
1293         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1294         * incremental.cc (Incremental_inputs::report_input_section): Fix
1295         comment, indentation.
1296         (Incremental_inputs::report_comdat_group): New function.
1297         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1298         of data for incremental input file entry.
1299         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1300         group count, COMDAT group signatures.
1301         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1302         an unchanged input file.
1303         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1304         Initialize new data member.
1305         (Incremental_object_entry::add_comdat_group): New function.
1306         (Incremental_object_entry::get_comdat_group_count): New function.
1307         (Incremental_object_entry::get_comdat_signature_key): New function.
1308         (Incremental_object_entry::groups_): New data member.
1309         (Incremental_inputs::report_comdat_group): New function.
1310         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1311         data for incremental input file entry.
1312         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1313         (Incremental_input_entry_reader::get_input_section): Adjust size of
1314         data for incremental input file entry.
1315         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1316         (Incremental_input_entry_reader::get_comdat_group_signature): New
1317         function.
1318         * object.cc (Sized_relobj::include_section_group): Report kept
1319         COMDAT groups for incremental links.
1320
1321 2011-05-24  David Meyer  <pdox@google.com>
1322
1323         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1324         with name parameter.  Add found_name parameter.
1325         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1326         * dirsearch.h (class Dirsearch): Update declaration.
1327
1328 2011-05-24  Ian Lance Taylor  <iant@google.com>
1329
1330         * archive.cc (Library_base::should_include_member): Pull in object
1331         from archive if it defines the entry symbol.
1332         * parameters.cc (Parameters::entry): New function.
1333         * parameters.h (class Parameters): Declare entry.
1334         * output.h (class Output_file_header): Remove entry_ field.
1335         * output.cc (Output_file_header::Output_file_header): Remove entry
1336         parameter.  Change all callers.
1337         (Output_file_header::entry): Use parameters->entry.
1338         * gold.cc (queue_middle_tasks): Likewise.
1339         * plugin.cc (Plugin_hook::run): Likewise.
1340
1341 2011-05-24 Cary Coutant  <ccoutant@google.com>
1342
1343         * gold.cc (queue_initial_tasks): Pass incremental base filename
1344         to Output_file::open_base_file; don't print error message.
1345         * incremental-dump.cc (main): Adjust call to
1346         Output_file::open_for_modification.
1347         * incremental-dump.cc (main): Likewise.
1348         * incremental.cc (Incremental_inputs::report_command_line):
1349         Ignore --incremental-base option when comparing command lines.
1350         Ignore parameter when given as separate argument.
1351         * options.h (class General_options): Add --incremental-base.
1352         * output.cc (Output_file::Output_file):
1353         (Output_file::open_base_file): Add base_name and writable parameters;
1354         read base file into new file; print error message here.
1355         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1356         callers.
1357         * output.h (Output_file::open_for_modification): Rename to...
1358         (Output_file::open_base_file): ...this; add base_name and
1359         writable parameters; adjust all callers.
1360         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1361         callers.
1362         * testsuite/Makefile.am (incremental_test_4): Test
1363         --incremental-base.
1364         * testsuite/Makefile.in: Regenerate.
1365
1366 2011-05-24 Cary Coutant  <ccoutant@google.com>
1367
1368         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1369         incremental_test_4.
1370         * testsuite/Makefile.in: Regenerate.
1371         * testsuite/two_file_test_1_v1.cc: New test source file.
1372         * testsuite/two_file_test_1b_v1.cc: New test source file.
1373         * testsuite/two_file_test_2_v1.cc: New test source file.
1374
1375 2011-05-24 Cary Coutant  <ccoutant@google.com>
1376
1377         * dynobj.h (Dynobj::do_dynobj): New function.
1378         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1379         flag and soname for shared objects.
1380         * incremental.cc (Incremental_inputs::report_object): Make
1381         either Incremental_object_entry or Incremental_dynobj_entry; add
1382         soname to string table.
1383         (Incremental_inputs::report_input_section): Add assertion.
1384         (Output_section_incremental_inputs::set_final_data_size): Adjust
1385         type of input file entry for shared libraries; adjust size of
1386         shared library info entry.
1387         (Output_section_incremental_inputs::write_input_files): Write
1388         as_needed flag for shared libraries.
1389         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1390         of input file entry for shared libraries; write soname.
1391         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1392         soname from incremental info.
1393         * incremental.h (enum Incremental_input_flags): Add
1394         INCREMENTAL_INPUT_AS_NEEDED.
1395         (Incremental_input_entry::Incremental_input_entry): Initialize new
1396         data member.
1397         (Incremental_input_entry::set_as_needed): New function.
1398         (Incremental_input_entry::as_needed): New function.
1399         (Incremental_input_entry::do_dynobj_entry): New function.
1400         (Incremental_input_entry::as_needed_): New data member.
1401         (Incremental_object_entry::Incremental_object_entry): Don't check
1402         for shared library.
1403         (Incremental_object_entry::do_type): Likewise.
1404         (class Incremental_dynobj_entry): New class.
1405         (Incremental_input_entry_reader::as_needed): New function.
1406         (Incremental_input_entry_reader::get_soname): New function.
1407         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1408         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1409         size of shared library info entry.
1410         * layout.cc (Layout::finish_dynamic_section): Don't test for
1411         incremental link when adding DT_NEEDED entries.
1412         * object.h (Object::Object): Initialize new data member.
1413         (Object::dynobj): New function.
1414         (Object::set_as_needed): New function.
1415         (Object::as_needed): New function.
1416         (Object::do_dynobj): New function.
1417         (Object::as_needed_): New data member.
1418
1419 2011-05-24 Cary Coutant  <ccoutant@google.com>
1420
1421         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1422         info; adjust display of GOT entries.
1423         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1424         vector of input objects; remove file_status_.
1425         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1426         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1427         got_plt reader; call target hooks to reserve GOT entries.
1428         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1429         of input file info header and GOT info entry.
1430         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1431         relocation info.
1432         (Got_plt_view_info::got_descriptor): Remove.
1433         (Got_plt_view_info::sym_index): New data member.
1434         (Got_plt_view_info::input_index): New data member.
1435         (Local_got_offset_visitor::visit): Write input file index.
1436         (Global_got_offset_visitor::visit): Write 0 for input file index.
1437         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1438         with sym_index and input_index.
1439         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1440         incremental info GOT entry; replace got_descriptor with input_index.
1441         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1442         map from input file index to object.
1443         (Sized_relobj_incr::do_layout): Replace direct data member reference
1444         with accessor function.
1445         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1446         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1447         Adjust size of input file info header.
1448         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1449         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1450         (Incremental_input_entry_reader::get_input_section): Adjust size of
1451         input file info header.
1452         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1453         of incremental info GOT entry.
1454         (Incremental_got_plt_reader::get_got_desc): Remove.
1455         (Incremental_got_plt_reader::get_got_symndx): New function.
1456         (Incremental_got_plt_reader::get_got_input_index): New function.
1457         (Sized_incremental_binary::Sized_incremental_binary): Remove
1458         file_status_; add input_objects_.
1459         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1460         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1461         (Sized_incremental_binary::file_is_unchanged): Remove.
1462         (Sized_incremental_binary::set_input_object): New function.
1463         (Sized_incremental_binary::input_object): New function.
1464         (Sized_incremental_binary::file_status_): Remove.
1465         (Sized_incremental_binary::input_objects_): New data member.
1466         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1467         references.
1468         (Sized_relobj_incr::invalid_address): Move to base class.
1469         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1470         class.
1471         (Sized_relobj_incr::do_output_section_offset): Likewise.
1472         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1473         (Sized_relobj_incr::section_offsets_): Likewise.
1474         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1475         function.
1476         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1477         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1478         with accessor function.
1479         (Sized_relobj_file::do_layout): Likewise.
1480         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1481         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1482         (Sized_relobj_file::compute_final_local_value): Replace refs to
1483         section_offsets_ with accessor function.
1484         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1485         * object.h (Relobj::Relobj): Initialize new data members.
1486         (Relobj::add_dyn_reloc): New function.
1487         (Relobj::first_dyn_reloc): New function.
1488         (Relobj::dyn_reloc_count): New function.
1489         (Relobj::first_dyn_reloc_): New data member.
1490         (Relobj::dyn_reloc_count_): New data member.
1491         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1492         references.
1493         (Sized_relobj::Address): New typedef.
1494         (Sized_relobj::invalid_address): Move here from child class.
1495         (Sized_relobj::Sized_relobj): Initialize new data members.
1496         (Sized_relobj::sized_relobj): New function.
1497         (Sized_relobj::is_output_section_offset_invalid): Move here from
1498         child class.
1499         (Sized_relobj::get_output_section_offset): Likewise.
1500         (Sized_relobj::local_has_got_offset): Likewise.
1501         (Sized_relobj::local_got_offset): Likewise.
1502         (Sized_relobj::set_local_got_offset): Likewise.
1503         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1504         (Sized_relobj::clear_got_offsets): New function.
1505         (Sized_relobj::section_offsets): Move here from child class.
1506         (Sized_relobj::do_output_section_offset): Likewise.
1507         (Sized_relobj::do_set_section_offset): Likewise.
1508         (Sized_relobj::Local_got_offsets): Likewise.
1509         (Sized_relobj::local_got_offsets_): Likewise.
1510         (Sized_relobj::section_offsets_): Likewise.
1511         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1512         references.
1513         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1514         class.
1515         (Sized_relobj_file::sized_relobj): New function
1516         (Sized_relobj_file::local_has_got_offset): Move to base class.
1517         (Sized_relobj_file::local_got_offset): Likewise.
1518         (Sized_relobj_file::set_local_got_offset): Likewise.
1519         (Sized_relobj_file::get_output_section_offset): Likewise.
1520         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1521         (Sized_relobj_file::do_output_section_offset): Likewise.
1522         (Sized_relobj_file::do_set_section_offset): Likewise.
1523         (Sized_relobj_file::Local_got_offsets): Likewise.
1524         (Sized_relobj_file::local_got_offsets_): Likewise.
1525         (Sized_relobj_file::section_offsets_): Likewise.
1526         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1527         (all constructors).
1528         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1529         (Output_reloc::get_symbol_index): Likewise.
1530         (Output_reloc::local_section_offset): Likewise.
1531         (Output_reloc::get_address): Likewise.
1532         (Output_reloc::symbol_value): Likewise.
1533         (Output_data_got::reserve_slot): Move to class definition.
1534         (Output_data_got::reserve_local): New function.
1535         (Output_data_got::reserve_slot_for_global): Remove.
1536         (Output_data_got::reserve_global): New function.
1537         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1538         (all constructors, two instantiations).
1539         (Output_reloc::get_relobj): New function (two instantiations).
1540         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1541         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1542         (Output_data_reloc::add_global): Adjust type of relobj.
1543         (Output_data_reloc::add_global_relative): Likewise.
1544         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1545         (Output_data_reloc::add_local): Likewise.
1546         (Output_data_reloc::add_local_relative): Likewise.
1547         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1548         (Output_data_reloc::add_local_section): Likewise.
1549         (Output_data_reloc::add_output_section): Likewise.
1550         (Output_data_reloc::add_absolute): Likewise.
1551         (Output_data_reloc::add_target_specific): Likewise.
1552         (Output_data_got::reserve_slot): Move definition here.
1553         (Output_data_got::reserve_local): New function.
1554         (Output_data_got::reserve_global): New function.
1555         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1556         section_offsets_ with accessor function.
1557         (Sized_relobj_file::write_sections): Likewise.
1558         (Sized_relobj_file::do_relocate_sections): Likewise.
1559         * target.h (Sized_target::reserve_local_got_entry): New function.
1560         (Sized_target::reserve_global_got_entry): New function.
1561         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1562         (Target_x86_64::reserve_global_got_entry): New function.
1563         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1564
1565 2011-05-23 Cary Coutant  <ccoutant@google.com>
1566
1567         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1568         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1569         bit when checking got_type.
1570         * incremental.cc (Sized_incremental_binary::setup_readers):
1571         Store symbol table and string table locations; initialize bit vector
1572         of file status flags.
1573         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1574         unchanged files.
1575         (Sized_incremental_binary::do_process_got_plt): New function.
1576         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1577         (Output_section_incremental_inputs::set_final_data_size): Record
1578         file index for each input file.
1579         (Output_section_incremental_inputs::write_got_plt): Store file index
1580         instead of input entry offset for each GOT entry.
1581         * incremental.h
1582         (Incremental_input_entry::Incremental_input_entry): Initialize new
1583         data member.
1584         (Incremental_input_entry::set_offset): Store file index.
1585         (Incremental_input_entry::get_file_index): New function.
1586         (Incremental_input_entry::file_index_): New data member.
1587         (Incremental_binary::process_got_plt): New function.
1588         (Incremental_binary::do_process_got_plt): New function.
1589         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1590         data members.
1591         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1592         (Sized_incremental_binary::set_file_is_unchanged): New function.
1593         (Sized_incremental_binary::file_is_unchanged): New function.
1594         (Sized_incremental_binary::do_process_got_plt): New function.
1595         (Sized_incremental_binary::file_status_): New data member.
1596         (Sized_incremental_binary::main_symtab_loc_): New data member.
1597         (Sized_incremental_binary::main_strtab_loc_): New data member.
1598         * output.cc (Output_data_got::Got_entry::write): Add case
1599         RESERVED_CODE.
1600         (Output_data_got::add_global): Call add_got_entry.
1601         (Output_data_got::add_global_plt): Likewise.
1602         (Output_data_got::add_global_with_rel): Likewise.
1603         (Output_data_got::add_global_with_rela): Likewise.
1604         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1605         (Output_data_got::add_global_pair_with_rela): Likewise.
1606         (Output_data_got::add_local): Call add_got_entry.
1607         (Output_data_got::add_local_plt): Likewise.
1608         (Output_data_got::add_local_with_rel): Likewise.
1609         (Output_data_got::add_local_with_rela): Likewise.
1610         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1611         (Output_data_got::add_local_pair_with_rela): Likewise.
1612         (Output_data_got::reserve_slot): New function.
1613         (Output_data_got::reserve_slot_for_global): New function.
1614         (Output_data_got::add_got_entry): New function.
1615         (Output_data_got::add_got_entry_pair): New function.
1616         (Output_section::add_output_section_data): Edit FIXME.
1617         * output.h
1618         (Output_section_data_build::Output_section_data_build): New
1619         constructor with size parameter.
1620         (Output_data_space::Output_data_space): Likewise.
1621         (Output_data_got::Output_data_got): Initialize new data member; new
1622         constructor with size parameter.
1623         (Output_data_got::add_constant): Call add_got_entry.
1624         (Output_data_got::reserve_slot): New function.
1625         (Output_data_got::reserve_slot_for_global): New function.
1626         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1627         (Output_data_got::add_got_entry): New function.
1628         (Output_data_got::add_got_entry_pair): New function.
1629         (Output_data_got::free_list_): New data member.
1630         * target.h (Sized_target::init_got_plt_for_update): New function.
1631         (Sized_target::register_global_plt_entry): New function.
1632         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1633         Initialize new data member; call init; add constructor with PLT count.
1634         (Output_data_plt_x86_64::init): New function.
1635         (Output_data_plt_x86_64::add_relocation): New function.
1636         (Output_data_plt_x86_64::reserve_slot): New function.
1637         (Output_data_plt_x86_64::free_list_): New data member.
1638         (Target_x86_64::init_got_plt_for_update): New function.
1639         (Target_x86_64::register_global_plt_entry): New function.
1640         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1641         incremental updates.
1642         (Output_data_plt_x86_64::add_relocation): New function.
1643         * testsuite/object_unittest.cc (Object_test): Set default options.
1644
1645 2011-05-16  Ian Lance Taylor  <iant@google.com>
1646
1647         * options.h (class General_options): Make -i a synonym for -r.
1648
1649 2011-05-16  Ian Lance Taylor  <iant@google.com>
1650
1651         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1652
1653 2011-05-10 Cary Coutant  <ccoutant@google.com>
1654
1655         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1656         strip_all (-s).
1657
1658 2011-05-06  Ian Lance Taylor  <iant@google.com>
1659
1660         * layout.cc (Layout::layout): If the output section flags change,
1661         update the ordering.
1662
1663 2011-04-25 Cary Coutant  <ccoutant@google.com>
1664
1665         * incremental-dump.cc (dump_incremental_inputs): Print local
1666         symbol info for each input file.
1667         * incremental.cc
1668         (Output_section_incremental_inputs::set_final_data_size): Add local
1669         symbol info to input file entries in incremental info.
1670         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1671         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1672         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1673         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1674         implementation.
1675         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1676         (Sized_incr_relobj::do_relocate): Write the local symbols.
1677         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1678         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1679         Adjust size of input file header.
1680         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1681         (Incremental_inputs_reader::get_local_symbol_count): New function.
1682         (Incremental_inputs_reader::get_input_section): Adjust size of input
1683         file header.
1684         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1685         (Sized_incr_relobj::This): New typedef.
1686         (Sized_incr_relobj::sym_size): New const data member.
1687         (Sized_incr_relobj::Local_symbol): New struct.
1688         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1689         (Sized_incr_relobj::do_local_symbol_offset): New function.
1690         (Sized_incr_relobj::local_symbol_count_): New data member.
1691         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1692         (Sized_incr_relobj::local_symbol_index_): New data member.
1693         (Sized_incr_relobj::local_symbol_offset_): New data member.
1694         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1695         (Sized_incr_relobj::local_symbols_): New data member.
1696         * object.h (Relobj::output_local_symbol_count): New function.
1697         (Relobj::local_symbol_offset): New function.
1698         (Relobj::do_output_local_symbol_count): New function.
1699         (Relobj::do_local_symbol_offset): New function.
1700         (Sized_relobj::do_output_local_symbol_count): New function.
1701         (Sized_relobj::do_local_symbol_offset): New function.
1702
1703 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1704
1705         * descriptors.cc (set_close_on_exec): New function.
1706         (Descriptors::open): Use set_close_on_exec.
1707         * output.cc (S_ISLNK): Define if not defined.
1708
1709 2011-04-22 Cary Coutant  <ccoutant@google.com>
1710
1711         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1712         global symbol map.
1713         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1714         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1715         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1716         relocations.
1717         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1718         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1719         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1720         * incremental.h
1721         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1722         function.
1723         (Incremental_binary::apply_incremental_relocs): New function.
1724         (Incremental_binary::do_apply_incremental_relocs): New function.
1725         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1726         data member.
1727         (Sized_incremental_binary::add_global_symbol): New function.
1728         (Sized_incremental_binary::global_symbol): New function.
1729         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1730         (Sized_incremental_binary::symbol_map_): New data member.
1731         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1732         * target.h (Sized_target::apply_relocation): New function.
1733         * target-reloc.h (apply_relocation): New function.
1734         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1735
1736 2011-04-22  Doug Kwan  <dougkwan@google.com>
1737
1738         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1739         flag of a SHT_ARM_EXIDX section.
1740         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1741         * testsuite/Makefile.in: Regenerate.
1742         * testsuite/arm_exidx_test.s: New file.
1743         * testsuite/arm_exidx_test.sh: Same.
1744
1745 2011-04-20 Cary Coutant  <ccoutant@google.com>
1746
1747         PR gold/12689
1748         * archive.h (Incremental_archive_entry::Archive_member):
1749         Initialize arg_serial_ (second constructor).
1750
1751 2011-04-17  Ian Lance Taylor  <iant@google.com>
1752
1753         * object.cc (Relocate_info::location): Simplify location string.
1754         * errors.cc (Errors::error_at_location): Don't print program
1755         name.
1756         (Errors::warning_at_location): Likewise.
1757         (Errors::undefined_symbol): Likewise.
1758         * testsuite/debug_msg.sh: Update accordingly.
1759
1760 2011-04-14 Cary Coutant  <ccoutant@google.com>
1761
1762         * gold/layout.cc (Layout::symtab_section_offset): New function.
1763         * gold/layout.h (Layout::symtab_section_offset): New function.
1764         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1765
1766 2011-04-12  Ian Lance Taylor  <iant@google.com>
1767
1768         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1769         with MREMAP_MAYMOVE.
1770         * output.h (class Output_file): Add map_is_allocated_ field.
1771         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1772         not available, provide stubs.  If mremap is not available, #define
1773         it to gold_mremap.
1774         (MREMAP_MAYMOVE): Define if not defined.
1775         (Output_file::Output_file): Initialize map_is_allocated_.
1776         (Output_file::resize): Check map_is_allocated_.
1777         (Output_file::map_anonymous): If mmap fails, use malloc.
1778         (Output_file::unmap): Don't do anything for an anonymous map.
1779         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1780         is not available, provide stubs.
1781         (File_read::View::~View): Use free rather than delete[].
1782         (File_read::make_view): Use malloc rather than new[].  If mmap
1783         fails, use malloc.
1784         (File_read::find_or_make_view): Use malloc rather than new[].
1785         * gold.h: Remove HAVE_REMAP code.
1786         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1787         exists.  Rename mremap to gold_mremap.  If mmap is not available
1788         don't do anything.
1789         * configure, config.in: Rebuild.
1790
1791 2011-04-11  Ian Lance Taylor  <iant@google.com>
1792
1793         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1794         initialize local variable v.
1795
1796 2011-04-11  Cary Coutant  <ccoutant@google.com>
1797
1798         * archive.cc (Archive::include_member): Adjust call to
1799         report_object.
1800         (Add_archive_symbols::run): Track argument serial numbers.
1801         (Lib_group::include_member): Likewise.
1802         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1803         * archive.h (Incremental_archive_entry::Archive_member):
1804         Initialize arg_serial_.
1805         (Archive_member::arg_serial_): New data member.
1806         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1807         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1808         incremental link.
1809         (Sized_dynobj::do_for_all_local_got_entries): New function.
1810         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1811         function.
1812         * fileread.cc (get_mtime): New function.
1813         * fileread.h (get_mtime): New function.
1814         * gold.cc (queue_initial_tasks): Check for incremental update.
1815         (process_incremental_input): New function.
1816         (queue_middle_tasks): Don't force valid target for incremental
1817         update.
1818         * incremental-dump.cc (find_input_containing_global): Adjust
1819         size of symbol info entry.
1820         (dump_incremental_inputs): Dump argument serial number and
1821         in_system_directory flag; bias shndx by 1; print symbol names
1822         when dumping per-file symbol lists; use new symbol info readers.
1823         * incremental.cc
1824         (Output_section_incremental_inputs:update_data_size): New function.
1825         (Sized_incremental_binary::setup_readers): Setup input readers
1826         for each input file; build maps for files added from libraries
1827         and scripts.
1828         (Sized_incremental_binary::check_input_args): New function.
1829         (Sized_incremental_binary::do_check_inputs): Build map of argument
1830         serial numbers to input arguments.
1831         (Sized_incremental_binary::do_file_has_changed): Rename
1832         do_file_is_unchanged to this; compare file modification times.
1833         (Sized_incremental_binary::do_init_layout): New function.
1834         (Sized_incremental_binary::do_reserve_layout): New function.
1835         (Sized_incremental_binary::do_get_input_reader): Remove.
1836         (Sized_incremental_binary::get_symtab_view): New function.
1837         (Incremental_checker::can_incrementally_link_output_file): Remove.
1838         (Incremental_inputs::report_command_line): Exclude --debug options.
1839         (Incremental_inputs::report_archive_begin): Add parameter; track
1840         argument serial numbers; don't put input file entry for archive
1841         before archive members.
1842         (Incremental_inputs::report_archive_end): Put input file entry
1843         for archive after archive members.
1844         (Incremental_inputs::report_object): Add parameter; track argument
1845         serial numbers and in_system_directory flag.
1846         (Incremental_inputs::report_script): Add parameter; track argument
1847         serial numbers.
1848         (Output_section_incremental_inputs::set_final_data_size): Adjust
1849         size of symbol info entry; check for forwarding symbols.
1850         (Output_section_incremental_inputs::write_input_files): Write
1851         in_system_directory flag and argument serial number.
1852         (Output_section_incremental_inputs::write_info_blocks): Map section
1853         indices between incremental info and original input file; store
1854         input section index for each symbol.
1855         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1856         change operator() to visit().
1857         (class Global_got_offset_visitor): Likewise.
1858         (class Global_symbol_visitor_got_plt):
1859         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1860         classes.
1861         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1862         (Sized_incr_relobj::do_read_symbols): New function.
1863         (Sized_incr_relobj::do_layout): New function.
1864         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1865         (Sized_incr_relobj::do_add_symbols): New function.
1866         (Sized_incr_relobj::do_should_include_member): New function.
1867         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1868         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1869         (Sized_incr_relobj::do_section_size): New function.
1870         (Sized_incr_relobj::do_section_name): New function.
1871         (Sized_incr_relobj::do_section_contents): New function.
1872         (Sized_incr_relobj::do_section_flags): New function.
1873         (Sized_incr_relobj::do_section_entsize): New function.
1874         (Sized_incr_relobj::do_section_address): New function.
1875         (Sized_incr_relobj::do_section_type): New function.
1876         (Sized_incr_relobj::do_section_link): New function.
1877         (Sized_incr_relobj::do_section_info): New function.
1878         (Sized_incr_relobj::do_section_addralign): New function.
1879         (Sized_incr_relobj::do_initialize_xindex): New function.
1880         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1881         (Sized_incr_relobj::do_read_relocs): New function.
1882         (Sized_incr_relobj::do_gc_process_relocs): New function.
1883         (Sized_incr_relobj::do_scan_relocs): New function.
1884         (Sized_incr_relobj::do_count_local_symbols): New function.
1885         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1886         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1887         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1888         (Sized_incr_relobj::do_relocate): New function.
1889         (Sized_incr_relobj::do_set_section_offset): New function.
1890         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1891         (Sized_incr_dynobj::do_read_symbols): New function.
1892         (Sized_incr_dynobj::do_layout): New function.
1893         (Sized_incr_dynobj::do_add_symbols): New function.
1894         (Sized_incr_dynobj::do_should_include_member): New function.
1895         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1896         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1897         (Sized_incr_dynobj::do_section_size): New function.
1898         (Sized_incr_dynobj::do_section_name): New function.
1899         (Sized_incr_dynobj::do_section_contents): New function.
1900         (Sized_incr_dynobj::do_section_flags): New function.
1901         (Sized_incr_dynobj::do_section_entsize): New function.
1902         (Sized_incr_dynobj::do_section_address): New function.
1903         (Sized_incr_dynobj::do_section_type): New function.
1904         (Sized_incr_dynobj::do_section_link): New function.
1905         (Sized_incr_dynobj::do_section_info): New function.
1906         (Sized_incr_dynobj::do_section_addralign): New function.
1907         (Sized_incr_dynobj::do_initialize_xindex): New function.
1908         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1909         (make_sized_incremental_object): New function.
1910         (Incremental_library::copy_unused_symbols): New function.
1911         (Incremental_library::do_for_all_unused_symbols): New function.
1912         * incremental.h (enum Incremental_input_flags): New type.
1913         (class Incremental_checker): Remove.
1914         (Incremental_input_entry::Incremental_input_entry): Add argument
1915         serial number.
1916         (Incremental_input_entry::arg_serial): New function.
1917         (Incremental_input_entry::set_is_in_system_directory): New function.
1918         (Incremental_input_entry::is_in_system_directory): New function.
1919         (Incremental_input_entry::arg_serial_): New data member.
1920         (Incremental_input_entry::is_in_system_directory_): New data member.
1921         (class Script_info): Move here from script.h.
1922         (Script_info::Script_info): Add filename parameter.
1923         (Script_info::filename): New function.
1924         (Script_info::filename_): New data member.
1925         (Incremental_script_entry::Incremental_script_entry): Add argument
1926         serial number.
1927         (Incremental_object_entry::Incremental_object_entry): Likewise.
1928         (Incremental_object_entry::add_input_section): Build list of input
1929         sections with map to original shndx.
1930         (Incremental_object_entry::get_input_section_index): New function.
1931         (Incremental_object_entry::shndx_): New data member.
1932         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1933         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1934         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1935         serial number.
1936         (Incremental_inputs::report_archive_begin): Likewise.
1937         (Incremental_inputs::report_object): Likewise.
1938         (Incremental_inputs::report_script): Likewise.
1939         (class Incremental_global_symbol_reader): New class.
1940         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1941         and store flags and input file type.
1942         (Incremental_input_entry_reader::arg_serial): New function.
1943         (Incremental_input_entry_reader::type): Extract type from flags.
1944         (Incremental_input_entry_reader::is_in_system_directory): New function.
1945         (Incremental_input_entry_reader::get_input_section_count): Call
1946         accessor function for type.
1947         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1948         function for type; adjust size of global symbol entry.
1949         (Incremental_input_entry_reader::get_global_symbol_count): Call
1950         accessor function for type.
1951         (Incremental_input_entry_reader::get_object_count): Likewise.
1952         (Incremental_input_entry_reader::get_object_offset): Likewise.
1953         (Incremental_input_entry_reader::get_member_count): Likewise.
1954         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1955         (Incremental_input_entry_reader::get_member_offset): Likewise.
1956         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1957         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1958         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1959         (Incremental_input_entry_reader::get_global_symbol_reader): New
1960         function.
1961         (Incremental_input_entry_reader::get_output_symbol_index): New
1962         function.
1963         (Incremental_input_entry_reader::type_): Remove.
1964         (Incremental_input_entry_reader::flags_): New data member.
1965         (Incremental_inputs_reader::input_file_offset): New function.
1966         (Incremental_inputs_reader::input_file_index): New function.
1967         (Incremental_inputs_reader::input_file): Call input_file_offset.
1968         (Incremental_inputs_reader::input_file_at_offset): New function.
1969         (Incremental_relocs_reader::get_r_type): Reformat.
1970         (Incremental_relocs_reader::get_r_shndx): Reformat.
1971         (Incremental_relocs_reader::get_r_offset): Reformat.
1972         (Incremental_relocs_reader::data): New function.
1973         (Incremental_binary::Incremental_binary): Initialize new data members.
1974         (Incremental_binary::check_inputs): Add cmdline parameter.
1975         (Incremental_binary::file_is_unchanged): Remove.
1976         (Input_reader::arg_serial): New function.
1977         (Input_reader::get_unused_symbol_count): New function.
1978         (Input_reader::get_unused_symbol): New function.
1979         (Input_reader::do_arg_serial): New function.
1980         (Input_reader::do_get_unused_symbol_count): New function.
1981         (Input_reader::do_get_unused_symbol): New function.
1982         (Incremental_binary::input_file_count): New function.
1983         (Incremental_binary::get_input_reader): Change signature to use
1984         index instead of filename.
1985         (Incremental_binary::file_has_changed): New function.
1986         (Incremental_binary::get_input_argument): New function.
1987         (Incremental_binary::get_library): New function.
1988         (Incremental_binary::get_script_info): New function.
1989         (Incremental_binary::init_layout): New function.
1990         (Incremental_binary::reserve_layout): New function.
1991         (Incremental_binary::output_file): New function.
1992         (Incremental_binary::do_check_inputs): New function.
1993         (Incremental_binary::do_file_is_unchanged): Remove.
1994         (Incremental_binary::do_file_has_changed): New function.
1995         (Incremental_binary::do_init_layout): New function.
1996         (Incremental_binary::do_reserve_layout): New function.
1997         (Incremental_binary::do_input_file_count): New function.
1998         (Incremental_binary::do_get_input_reader): Change signature.
1999         (Incremental_binary::input_args_map_): New data member.
2000         (Incremental_binary::library_map_): New data member.
2001         (Incremental_binary::script_map_): New data member.
2002         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2003         new data members.
2004         (Sized_incremental_binary::output_section): New function.
2005         (Sized_incremental_binary::inputs_reader): Add const.
2006         (Sized_incremental_binary::symtab_reader): Add const.
2007         (Sized_incremental_binary::relocs_reader): Add const.
2008         (Sized_incremental_binary::got_plt_reader): Add const.
2009         (Sized_incremental_binary::get_symtab_view): New function.
2010         (Sized_incremental_binary::Inputs_reader): New typedef.
2011         (Sized_incremental_binary::Input_entry_reader): New typedef.
2012         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2013         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2014         (Sized_incremental_binary::do_file_has_changed): New function.
2015         (Sized_incremental_binary::do_init_layout): New function.
2016         (Sized_incremental_binary::do_reserve_layout): New function.
2017         (Sized_input_reader::Inputs_reader): Remove.
2018         (Sized_input_reader::Input_entry_reader): Remove.
2019         (Sized_input_reader::do_arg_serial): New function.
2020         (Sized_input_reader::do_get_unused_symbol_count): New function.
2021         (Sized_input_reader::do_get_unused_symbol): New function.
2022         (Sized_incremental_binary::do_input_file_count): New function.
2023         (Sized_incremental_binary::do_get_input_reader): Change signature;
2024         use index instead of filename.
2025         (Sized_incremental_binary::section_map_): New data member.
2026         (Sized_incremental_binary::input_entry_readers_): New data member.
2027         (class Sized_incr_relobj): New class.
2028         (class Sized_incr_dynobj): New class.
2029         (make_sized_incremental_object): New function.
2030         (class Incremental_library): New class.
2031         * layout.cc (Free_list::num_lists): New static data member.
2032         (Free_list::num_nodes): New static data member.
2033         (Free_list::num_removes): New static data member.
2034         (Free_list::num_remove_visits): New static data member.
2035         (Free_list::num_allocates): New static data member.
2036         (Free_list::num_allocate_visits): New static data member.
2037         (Free_list::init): New function.
2038         (Free_list::remove): New function.
2039         (Free_list::allocate): New function.
2040         (Free_list::dump): New function.
2041         (Free_list::print_stats): New function.
2042         (Layout_task_runner::run): Resize output file for incremental updates.
2043         (Layout::Layout): Initialize new data members.
2044         (Layout::set_incremental_base): New function.
2045         (Layout::init_fixed_output_section): New function.
2046         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2047         incremental updates.
2048         (Layout::create_gold_note): Do not create gold note section for
2049         incremental updates.
2050         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2051         for incremental updates.
2052         (Layout::set_section_offsets): For incremental updates, allocate space
2053         from free list.
2054         (Layout::create_symtab_sections): Layout with offsets relative to
2055         start of section; for incremental updates, allocate space from free
2056         list.
2057         (Layout::create_shdrs): For incremental updates, allocate space from
2058         free list.
2059         (Layout::finish_dynamic_section): For incremental updates, do not
2060         check --as-needed (fixed in subsequent patch).
2061         * layout.h (class Free_list): New class.
2062         (Layout::set_incremental_base): New function.
2063         (Layout::incremental_base): New function.
2064         (Layout::init_fixed_output_section): New function.
2065         (Layout::allocate): New function.
2066         (Layout::incremental_base_): New data member.
2067         (Layout::free_list_): New data member.
2068         * main.cc (main): Print Free_list statistics.
2069         * object.cc (Relobj::finalize_incremental_relocs): Add
2070         clear_counts parameter; clear counts only when clear_counts is set.
2071         (Sized_relobj::Sized_relobj): Initialize new base class.
2072         (Sized_relobj::do_layout): Don't report special sections.
2073         (Sized_relobj::do_for_all_local_got_entries): New function.
2074         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2075         symtab_off to all symbol table offsets.
2076         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2077         * object.h (class Got_offset_list): Move to top of file.
2078         (Object::Object): Allow case where input_file == NULL.
2079         (Object::~Object): Likewise.
2080         (Object::input_file): Assert that input_file != NULL.
2081         (Object::lock): Allow case where input_file == NULL.
2082         (Object::unlock): Likewise.
2083         (Object::is_locked): Likewise.
2084         (Object::token): Likewise.
2085         (Object::release): Likewise.
2086         (Object::is_incremental): New function.
2087         (Object::get_mtime): New function.
2088         (Object::for_all_local_got_entries): New function.
2089         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2090         (Object::set_is_in_system_directory): New function.
2091         (Object::is_in_system_directory): New function.
2092         (Object::do_is_incremental): New function.
2093         (Object::do_get_mtime): New function.
2094         (Object::do_for_all_local_got_entries): New function.
2095         (Object::is_in_system_directory_): New data member.
2096         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2097         (class Sized_relobj_base): New class.
2098         (class Sized_relobj): Derive from Sized_relobj_base.
2099         (class Sized_relobj::Symbols): Redeclare from base class.
2100         (class Sized_relobj::local_got_offset_list): Remove.
2101         (class Sized_relobj::Output_sections): Redeclare from base class.
2102         (class Sized_relobj::do_for_all_local_got_entries): New function.
2103         (class Sized_relobj::write_local_symbols): Add offset parameter.
2104         (class Sized_relobj::local_symbol_offset_): Update comment.
2105         (class Sized_relobj::local_dynsym_offset_): Update comment.
2106         * options.cc (Input_arguments::add_file): Remove const.
2107         * options.h (Input_file_argument::Input_file_argument):
2108         Initialize arg_serial_ (all constructors).
2109         (Input_file_argument::set_arg_serial): New function.
2110         (Input_file_argument::arg_serial): New function.
2111         (Input_file_argument::arg_serial_): New data member.
2112         (Input_arguments::Input_arguments): Initialize file_count_.
2113         (Input_arguments::add_file): Remove const.
2114         (Input_arguments::number_of_input_files): New function.
2115         (Input_arguments::file_count_): New data member.
2116         (Command_line::number_of_input_files): Call
2117         Input_arguments::number_of_input_files.
2118         * output.cc (Output_segment_headers::Output_segment_headers):
2119         Set current size.
2120         (Output_section::Input_section::current_data_size): New function.
2121         (Output_section::Output_section): Initialize new data members.
2122         (Output_section::add_input_section): Don't do merge sections for
2123         an incremental link; allocate space from free list for an
2124         incremental update.
2125         (Output_section::add_output_section_data): Allocate space from
2126         free list for an incremental update.
2127         (Output_section::update_data_size): New function.
2128         (Output_section::set_fixed_layout): New function.
2129         (Output_section::reserve): New function.
2130         (Output_segment::set_section_addresses): Remove const.
2131         (Output_segment::set_section_list_addresses): Remove const; allocate
2132         space from free list for an incremental update.
2133         (Output_segment::set_offset): Adjust size of RELRO segment for an
2134         incremental update.
2135         * output.h (Output_data::current_data_size): Move here from
2136         child classes.
2137         (Output_data::pre_finalize_data_size): New function.
2138         (Output_data::update_data_size): New function.
2139         (Output_section_headers::update_data_size): new function.
2140         (Output_section_data_build::current_data_size): Move to Output_data.
2141         (Output_data_strtab::update_data_size): New function.
2142         (Output_section::current_data_size): Move to Output_data.
2143         (Output_section::set_fixed_layout): New function.
2144         (Output_section::has_fixed_layout): New function.
2145         (Output_section::reserve): New function.
2146         (Output_section::update_data_size): New function.
2147         (Output_section::has_fixed_layout_): New data member.
2148         (Output_section::free_list_): New data member.
2149         (Output_segment::set_section_addresses): Remove const.
2150         (Output_segment::set_section_list_addresses): Remove const.
2151         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2152         New function.
2153         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2154         New function.
2155         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2156         parameter when calling Add_symbols constructor; store argument
2157         serial number for members of a lib group.
2158         (Add_symbols::locks): Allow case where token == NULL.
2159         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2160         (Read_member::~Read_member): New function.
2161         (Read_member::is_runnable): New function.
2162         (Read_member::locks): New function.
2163         (Read_member::run): New function.
2164         (Check_script::~Check_script): New function.
2165         (Check_script::is_runnable): New function.
2166         (Check_script::locks): New function.
2167         (Check_script::run): New function.
2168         (Check_library::~Check_library): New function.
2169         (Check_library::is_runnable): New function.
2170         (Check_library::locks): New function.
2171         (Check_library::run): New function.
2172         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2173         (Add_symbols::library_): New data member.
2174         (class Read_member): New class.
2175         (class Check_script): New class.
2176         (class Check_library): New class.
2177         * reloc.cc (Read_relocs::is_runnable): Allow case where
2178         token == NULL.
2179         (Read_relocs::locks): Likewise.
2180         (Scan_relocs::locks): Likewise.
2181         (Relocate_task::locks): Likewise.
2182         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2183         to clear counters.
2184         (Sized_relobj::incremental_relocs_scan): Fix comment.
2185         (Sized_relobj::do_relocate): Pass output file offset to
2186         write_local_symbols.
2187         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2188         from class declaration.
2189         * script.cc (read_input_script): Allocate Script_info; pass
2190         argument serial number to report_script.
2191         * script.h (class Script_info): Move to incremental.h.
2192         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2193         * symtab.h (Symbol_table::add_from_incrobj): New function.
2194         (Symbol_table::set_file_offset): New function.
2195
2196 2011-04-05  Cary Coutant  <ccoutant@google.com>
2197
2198         * incremental-dump.cc (dump_incremental_inputs): Change signature
2199         to take a Sized_incremental_binary; change caller.  Use readers
2200         in Sized_incremental_binary.
2201         * incremental.cc
2202         (Sized_incremental_binary::find_incremental_inputs_sections):
2203         Rename do_find_incremental_inputs_sections to this.
2204         (Sized_incremental_binary::setup_readers): New function.
2205         (Sized_incremental_binary::do_check_inputs): Check
2206         has_incremental_info_ flag; move setup code to setup_readers;
2207         use input readers.
2208         (Sized_incremental_binary::do_file_is_unchanged): New function.
2209         (Sized_incremental_binary::do_get_input_reader): New function.
2210         * incremental.h (class Incremental_binary): Move to end of file.
2211         (Incremental_binary::file_is_unchanged): New function.
2212         (Incremental_binary::do_file_is_unchanged): New function.
2213         (Incremental_binary::Input_reader): New class.
2214         (Incremental_binary::get_input_reader): New function.
2215         (class Sized_incremental_binary): Move to end of file.
2216         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2217         input section reader classes.
2218         (Sized_incremental_binary::has_incremental_info): New function.
2219         (Sized_incremental_binary::inputs_reader): New function.
2220         (Sized_incremental_binary::symtab_reader): New function.
2221         (Sized_incremental_binary::relocs_reader): New function.
2222         (Sized_incremental_binary::got_plt_reader): New function.
2223         (Sized_incremental_binary::do_file_is_unchanged): New function.
2224         (Sized_incremental_binary::Sized_input_reader): New class.
2225         (Sized_incremental_binary::get_input_reader): New function.
2226         (Sized_incremental_binary::find_incremental_inputs_sections):
2227         Rename do_find_incremental_inputs_sections to this.
2228         (Sized_incremental_binary::setup_readers): New function.
2229         (Sized_incremental_binary::has_incremental_info_): New data member.
2230         (Sized_incremental_binary::inputs_reader_): New data member.
2231         (Sized_incremental_binary::symtab_reader_): New data member.
2232         (Sized_incremental_binary::relocs_reader_): New data member.
2233         (Sized_incremental_binary::got_plt_reader_): New data member.
2234         (Sized_incremental_binary::current_input_file_): New data member.
2235
2236 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2237
2238         PR gold/12640
2239         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2240         violation.
2241
2242 2011-03-30  Cary Coutant  <ccoutant@google.com>
2243
2244         * archive.cc (Archive::include_member): Adjust call to report_object.
2245         (Add_archive_symbols::run): Add script_info to call to
2246         report_archive_begin.
2247         (Lib_group::include_member): Adjust call to report_object.
2248         (Add_lib_group_symbols::run): Adjust call to report_object.
2249         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2250         blocks.  Add object count for script input files.
2251         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2252         script_info parameter; change all callers.
2253         (Incremental_inputs::report_object): Add script_info parameter;
2254         change all callers.
2255         (Incremental_inputs::report_script): Store backpointer to
2256         incremental info entry.
2257         (Output_section_incremental_inputs::set_final_data_size): Record
2258         additional information for scripts.
2259         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2260         * incremental.h (Incremental_script_entry::add_object): New function.
2261         (Incremental_script_entry::get_object_count): New function.
2262         (Incremental_script_entry::get_object): New function.
2263         (Incremental_script_entry::objects_): New data member; adjust
2264         constructor.
2265         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2266         (Incremental_inputs::report_object): Add script_info parameter.
2267         (Incremental_inputs_reader::get_object_count): New function.
2268         (Incremental_inputs_reader::get_object_offset): New function.
2269         * options.cc (Input_arguments::add_file): Return reference to
2270         new input argument.
2271         * options.h (Input_argument::set_script_info): New function.
2272         (Input_argument::script_info): New function.
2273         (Input_argument::script_info_): New data member; adjust all
2274         constructors.
2275         (Input_file_group::add_file): Return reference to new input argument.
2276         (Input_file_lib::add_file): Likewise.
2277         (Input_arguments::add_file): Likewise.
2278         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2279         * script.cc (Parser_closure::Parser_closure): Add script_info
2280         parameter; adjust all callers.
2281         (Parser_closure::script_info): New function.
2282         (Parser_closure::script_info_): New data member.
2283         (read_input_script): Report scripts earlier to incremental info.
2284         (script_add_file): Set script_info in Input_argument.
2285         (script_add_library): Likewise.
2286         * script.h (Script_options::Script_info): Rewrite class.
2287
2288 2011-03-29  Cary Coutant  <ccoutant@google.com>
2289
2290         * archive.cc (Library_base::should_include_member): Move
2291         method here from class Archive.
2292         (Archive::Archive): Initialize base class.
2293         (Archive::should_include_member): Move to base class.
2294         (Archive::do_for_all_unused_symbols): New function.
2295         (Add_archive_symbols::run): Remove redundant access to
2296         incremental_inputs.
2297         (Lib_group::Lib_group): Initialize base class.
2298         (Lib_group::do_filename): New function.
2299         (Lib_group::include_member): Pass pointer to Lib_group to
2300         report_object.
2301         (Lib_group::do_for_all_unused_symbols): New function.
2302         (Add_lib_group_symbols::run): Report archive information for
2303         incremental links.
2304         * archive.h (class Library_base): New base class.
2305         (class Archive): Derive from Library_base.
2306         (Archive::filename): Move to base class.
2307         (Archive::set_incremental_info): Likewise.
2308         (Archive::incremental_info): Likewise.
2309         (Archive::Should_include): Likewise.
2310         (Archive::should_include_member): Likewise.
2311         (Archive::Armap_entry): Remove.
2312         (Archive::Unused_symbol_iterator): Remove.
2313         (Archive::unused_symbols_begin): Remove.
2314         (Archive::unused_symbols_end): Remove.
2315         (Archive::do_filename): New function.
2316         (Archive::do_get_mtime): New function.
2317         (Archive::do_for_all_unused_symbols): New function.
2318         (Archive::task_): Move to base class.
2319         (Archive::incremental_info_): Likewise.
2320         (class Lib_group): Derive from Library_base.
2321         (Lib_group::do_filename): New function.
2322         (Lib_group::do_get_mtime): New function.
2323         (Lib_group::do_for_all_unused_symbols): New function.
2324         (Lib_group::task_): Move to base class.
2325         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2326         function.
2327         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2328         function.
2329         * incremental.cc (Incremental_inputs::report_archive_begin):
2330         Use Library_base; call library's get_mtime; add incremental inputs
2331         entry before members.
2332         (class Unused_symbol_visitor): New class.
2333         (Incremental_inputs::report_archive_end): Use Library_base; use
2334         visitor class to record unused symbols; don't add incremental inputs
2335         entry after members.
2336         (Incremental_inputs::report_object): Use Library_base.
2337         * incremental.h
2338         (Incremental_archive_entry::Incremental_archive_entry): Remove
2339         unused Archive parameter.
2340         (Incremental_inputs::report_archive_begin): Use Library_base.
2341         (Incremental_inputs::report_archive_end): Likewise.
2342         (Incremental_inputs::report_object): Likewise.
2343         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2344         function.
2345         * object.h (Object::for_all_global_symbols): New function.
2346         (Object::do_for_all_global_symbols): New function.
2347         (Sized_relobj::do_for_all_global_symbols): New function.
2348         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2349         function.
2350         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2351         function.
2352
2353 2011-03-27  Ian Lance Taylor  <iant@google.com>
2354
2355         * archive.cc (Archive::interpret_header): Return -1 if something
2356         goes wrong.  Change callers accordingly.
2357
2358 2011-03-25  Cary Coutant  <ccoutant@google.com>
2359
2360         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2361         * testsuite/Makefile.in: Regenerate.
2362
2363 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2364
2365         * plugin.cc (get_view): New.
2366         (Plugin::load): Pass get_view to the plugin.
2367         (Plugin_manager::get_view): New.
2368
2369 2011-03-21  Ian Lance Taylor  <iant@google.com>
2370
2371         * testsuite/final_layout.sh: Rewrite to not use dc.
2372         * testsuite/relro_test.sh: Fail if dc is not present.
2373
2374 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2375
2376         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2377         Change == to -eq.
2378         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2379         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2380         Change == to -eq.
2381         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2382         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2383
2384 2011-03-14  Ian Lance Taylor  <iant@google.com>
2385
2386         * script-sections.cc (Sort_output_sections::script_compare):
2387         Rename from is_before, change return type.
2388         (Sort_output_sections::operator()): Adjust accordingly.
2389
2390 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2391
2392         PR gold/12572
2393         * testsuite/odr_violation2.cc: Add comment to make all error line
2394         numbers double digits.
2395         * testsuite/debug_msg.sh: Adjust expected errors.
2396
2397 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2398
2399         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2400         but mark earlier ones as non-canonical
2401         (offset_to_iterator): Update search target and example
2402         (do_addr2line): Return extra lines in a vector*
2403         (format_file_lineno): Extract from do_addr2line
2404         (one_addr2line): Add vector* out-param
2405         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2406         when a lineno entry appeared last for its instruction
2407         (Dwarf_line_info): Add vector* out-param
2408         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2409         * symtab.cc (Odr_violation_compare): Include the lineno in the
2410         comparison again.
2411         (linenos_from_loc): New. Combine the canonical line for an
2412         address with its other lines.
2413         (True_if_intersect): New. Helper functor to make
2414         std::set_intersection a query.
2415         (detect_odr_violations): Compare sets of lines instead of just
2416         one line for each function. This became less deterministic, but
2417         has fewer false positives.
2418         * symtab.h: Declarations.
2419         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2420         mix an optimized and non-optimized object in the same binary
2421         (odr_violation2.so): Same.
2422         * testsuite/Makefile.in: Regenerate from Makefile.am.
2423         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2424         * testsuite/debug_msg.sh: Update line numbers and add
2425         assertions.
2426         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2427         non-optimized context.
2428         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2429         isn't inlined, and use OdrDerived in an optimized context.
2430         * testsuite/odr_header1.h: Defines OdrDerived, where
2431         optimization will change the
2432         first-instruction-in-the-destructor's file and line number.
2433         * testsuite/odr_header2.h: Defines OdrBase.
2434
2435 2011-03-09  Ian Lance Taylor  <iant@google.com>
2436
2437         * fileread.cc (File_read::clear_views): Don't delete the whole
2438         file view.
2439
2440 2011-03-08  Ian Lance Taylor  <iant@google.com>
2441
2442         PR gold/12525
2443         * fileread.cc: #include <climits>.
2444         (GOLD_IOV_MAX): Define.
2445         (File_read::read_multiple): Limit number of entries by iov_max.
2446         * fileread.h (class File_read): Always set max_readv_entries to
2447         128.
2448
2449 2011-03-07  Ian Lance Taylor  <iant@google.com>
2450
2451         PR gold/12525
2452         * options.h (class General_options): Add -dy and -dn.
2453
2454 2011-03-02  Cary Coutant  <ccoutant@google.com>
2455
2456         * testsuite/script_test_9.t: Add TLS segment.
2457
2458 2011-03-02  Simon Baldwin  <simonb@google.com>
2459
2460         * configure.ac: Add check for gnu_indirect_function support in
2461         the toolchain building binutils.
2462         * configure: Rebuild.
2463
2464 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2465
2466         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2467         plugin only symbols.
2468         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2469         in plugin files as not needed in the symbol table.
2470
2471 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2472
2473         * output.cc (Output_section::add_input_section): Delay fill
2474         generation for section ordering.
2475
2476 2011-02-09  Ian Lance Taylor  <iant@google.com>
2477
2478         PR gold/12316
2479         * object.h (class Sized_relobj): Remove clear_local_symbols.
2480         * reloc.cc (Sized_relobj::do_relocate): Don't call
2481         clear_local_symbols.
2482
2483 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2484
2485         * plugin.cc (is_visible_from_outside): Return true for symbols
2486         in the -u option.
2487
2488 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2489
2490         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2491         filename.
2492
2493 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2494
2495         * icf.h (is_section_foldable_candidate): Change type of parameter
2496         to std::string.
2497         * icf.cc (Icf::find_identical_sections): Change type of local variable
2498         section_name to be std::string.
2499         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2500
2501 2011-01-25  Ian Lance Taylor  <iant@google.com>
2502
2503         * script.cc (script_add_extern): Rewrite to use
2504         add_symbol_reference.
2505
2506 2011-01-25  Doug Kwan  <dougkwan@google.com>
2507
2508         * icf.cc (get_section_contents): Always lock section's object.
2509
2510 2011-01-24  Ian Lance Taylor  <iant@google.com>
2511
2512         * options.h (class General_options): Accept
2513         --no-detect-odr-violations.
2514
2515 2011-01-24  Ian Lance Taylor  <iant@google.com>
2516
2517         * version.cc (version_string): Bump to 1.11.
2518
2519 2011-01-24  Ian Lance Taylor  <iant@google.com>
2520
2521         * plugin.cc (class Plugin_rescan): Define new class.
2522         (Plugin_manager::claim_file): Set any_claimed_.
2523         (Plugin_manager::save_archive): New function.
2524         (Plugin_manager::save_input_group): New function.
2525         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2526         necessary.
2527         (Plugin_manager::new_undefined_symbol): New function.
2528         (Plugin_manager::rescan): New function.
2529         (Plugin_manager::rescannable_defines): New function.
2530         (Plugin_manager::add_input_file): Set any_added_.
2531         * plugin.h (class Plugin_manager): define new fields rescannable_,
2532         undefined_symbols_, any_claimed_, and any_added_.  Declare
2533         Plugin_rescan as friend.  Declare new functions.
2534         (Plugin_manager::Rescannable): Define type.
2535         (Plugin_manager::Rescannable_list): Define type.
2536         (Plugin_manager::Undefined_symbol_list): Define type.
2537         (Plugin_manager::Plugin_manager): Initialize new fields.
2538         * archive.cc (Archive::defines_symbol): New function.
2539         (Add_archive_symbols::run): Pass archive to plugins if any.
2540         * archive.h (class Archive): Declare defines_symbol.
2541         * readsyms.cc (Input_group::~Input_group): New function.
2542         (Finish_group::run): Pass input_group to plugins if any.
2543         * readsyms.h (class Input_group): Declare destructor.
2544         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2545         any.
2546
2547 2011-01-10  Ian Lance Taylor  <iant@google.com>
2548
2549         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2550         section as relro.
2551         (Layout::set_segment_offsets): Reset increase_relro before calling
2552         set_section_addresses a second time.
2553
2554 2011-01-04  Cary Coutant  <ccoutant@google.com>
2555
2556         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2557         sections before NOBITS sections.
2558
2559 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2560
2561         * version.cc (print_version): Update copyright to 2011.
2562
2563 2010-12-23  Cary Coutant  <ccoutant@google.com>
2564
2565         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2566         of OS to this->add.  Add OD parameter to second form of the function.
2567
2568 2010-12-20  Ian Lance Taylor  <iant@google.com>
2569
2570         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2571         second of two consecutive entries with same offset.
2572
2573 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2574
2575         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2576         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2577         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2578         to avoid unneeded links against $(LDADD).
2579         * testsuite/Makefile.in: Regenerate.
2580
2581 2010-12-15  Ian Lance Taylor  <iant@google.com>
2582
2583         PR gold/12324
2584         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2585         for R_X86_64_32 and R_X86_64_PC32.
2586         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2587         ver_matching_def_pic.o.
2588         (ver_matching_def_pic.o): New target.
2589
2590 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2591
2592         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2593         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2594         Move definition before File_read::View member definitions.
2595         (File_read::View::~View): Initialize and hold lock before
2596         updating current_mapped_bytes.
2597
2598 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2599
2600         * dwarf_reader.cc: Remove outdated comment.
2601         * gold-threads.cc: Fix typo in error message.
2602         * archive.cc: Fix typos in comments.
2603         * archive.h: Likewise.
2604         * arm-reloc-property.cc: Likewise.
2605         * arm-reloc-property.h: Likewise.
2606         * arm-reloc.def: Likewise.
2607         * arm.cc: Likewise.
2608         * attributes.h: Likewise.
2609         * cref.cc: Likewise.
2610         * ehframe.cc: Likewise.
2611         * fileread.h: Likewise.
2612         * gold.h: Likewise.
2613         * i386.cc: Likewise.
2614         * icf.cc: Likewise.
2615         * incremental.h: Likewise.
2616         * int_encoding.cc: Likewise.
2617         * layout.h: Likewise.
2618         * main.cc: Likewise.
2619         * merge.h: Likewise.
2620         * object.cc: Likewise.
2621         * object.h: Likewise.
2622         * options.cc: Likewise.
2623         * readsyms.cc: Likewise.
2624         * reduced_debug_output.cc: Likewise.
2625         * reloc.cc: Likewise.
2626         * script-sections.cc: Likewise.
2627         * sparc.cc: Likewise.
2628         * symtab.h: Likewise.
2629         * target-reloc.h: Likewise.
2630         * target.cc: Likewise.
2631         * target.h: Likewise.
2632         * timer.cc: Likewise.
2633         * timer.h: Likewise.
2634         * x86_64.cc: Likewise.
2635
2636 2010-12-09  Cary Coutant  <ccoutant@google.com>
2637
2638         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2639         stack.
2640         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2641         parameter; change all callers.
2642         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2643         * options.h (warn_execstack): New option.
2644
2645 2010-12-07  Doug Kwan  <dougkwan@google.com>
2646
2647         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2648         like function call relocations.
2649
2650 2010-12-07  Ian Lance Taylor  <iant@google.com>
2651
2652         * archive.cc (Archive::get_elf_object_for_member): Permit
2653         punconfigured to be NULL.
2654         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2655         (Archive::include_member): Pass NULL to get_elf_object_for_member
2656         if we searched for the archive and this is the first included
2657         object.
2658
2659 2010-12-01  Ian Lance Taylor  <iant@google.com>
2660
2661         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2662         track_relocs_type_ field.
2663         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2664         Set track_relocs_type_.
2665         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2666         contents when using RELA relocs.
2667         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2668         reloc_map_.
2669         * reloc.cc (Track_relocs::next_addend): New function.
2670         * reloc.h (class Track_relocs): Declare next_addend.
2671
2672 2010-12-01  Ian Lance Taylor  <iant@google.com>
2673
2674         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2675         virtual destructor.
2676
2677 2010-12-01  Ian Lance Taylor  <iant@google.com>
2678
2679         * README: Update compilers known to work and fail.
2680
2681 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2682
2683         * configure.in: For --enable-gold, handle value `default' instead of
2684         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2685         not the default.
2686         * configure: Regenerate.
2687
2688 2010-11-18  Doug Kwan  <dougkwan@google.com>
2689
2690         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2691         and right_alignment to be zero.  Store result alignment only if it is
2692         greater than existing alignment.
2693
2694 2010-11-16  Cary Coutant  <ccoutant@google.com>
2695
2696         PR gold/12220
2697         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2698         Check for ".zdebug_line".
2699
2700 2010-11-16  Doug Kwan  <dougkwan@google.com>
2701             Cary Coutant  <ccoutant@google.com>
2702
2703         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2704         by reference; adjust all callers.
2705         * output.cc (Output_segment::set_section_addresses): Adjust references
2706         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2707         list is empty.
2708         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2709         end at page boundary.
2710
2711 2010-11-16  Cary Coutant  <ccoutant@google.com>
2712
2713         PR gold/12220
2714         * layout.cc (Layout::choose_output_section): Transform names of
2715         compressed sections even when using a script with a SECTIONS clause.
2716         (Layout::output_section_name): Remove code to transform
2717         compressed debug section names.
2718         * output.cc (Output_section::add_input_section): Use uncompressed
2719         section size when tracking input sections.
2720
2721 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2722
2723         * symtab.h (Symbol::NON_PIC_REF): Remove.
2724         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2725         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2726         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2727         (Symbol::use_plt_offset): Take a flags argument and pass it
2728         directly to needs_dynamic_reloc.  Restrict check for undefined
2729         weak symbols to function calls.
2730         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2731         (Target_arm::Scan::global): Use it.
2732         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2733         (Target_arm::Relocate::relocate): Likewise.
2734         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2735         parameter with an r_type parameter.  Use get_reference_flags
2736         to get the flags.
2737         (Target_arm::Relocate::relocate): Update accordingly.
2738         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2739         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2740         (Target_i386::Scan::global): Likewise.
2741         (Target_i386::Relocate::relocate): Likewise.
2742         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2743         parameter with an r_type parameter.  Use get_reference_flags
2744         to get the flags.
2745         (Target_i386::Relocate::relocate): Update accordingly.
2746         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2747         (Target_powerpc::Scan::global): Use it.
2748         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2749         (Target_powerpc::Relocate::relocate): Likewise.
2750         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2751         (Target_sparc::Scan::global): Use it.
2752         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2753         (Target_sparc::Relocate::relocate): Likewise.
2754         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2755         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2756         (Target_x86_64::Scan::global): Likewise.
2757         (Target_x86_64::Relocate::relocate): Likewise.
2758
2759 2010-11-08  Doug Kwan  <dougkwan@google.com>
2760             Cary Coutant  <ccoutant@google.com>
2761
2762         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2763         (Arm_exidx_merge_section::section_contents_): New data member.
2764         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2765         (Arm_input_section::~Arm_input_section): De-allocate memory.
2766         (Arm_input_section::original_contents_): New data member.
2767         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2768         in parameters instead of calling Object::section_contents without
2769         locking.
2770         (Arm_output_section::group_section): New parameter TASK.  Pass it
2771         to callees that need locking objects.
2772         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2773         to lock EXIDX input sections.  Fix a formatting issue.  Call
2774         Arm_exidx_merged_section::build_contents to create merged section
2775         contents.
2776         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2777         to lock object of stub table owner.
2778         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2779         TEXT_SIZE to initialize data member TEXT_SIZE_.
2780         (Arm_exidx_input_section::addralign): Fix typo in comment.
2781         (Arm_exidx_input_section::text_size): New method.
2782         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2783         that require locking objects.  Lock objects before scanning for stubs
2784         and updating local symbols.
2785         (Arm_input_section<big_endian>::init): Copy contents of original
2786         input section.
2787         (Arm_input_section<big_endian>::do_write): Use saved contents of
2788         original input section instead of calling Object::section_contents
2789         without locking.
2790         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2791         size without calling Object::section_size().
2792         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2793         for size.  Allocate a buffer for merged EXIDX entries.
2794         (Arm_exidx_merged_section::build_contents): New method.
2795         (Arm_exidx_merged_section::do_write): Move merge section contents
2796         building code to Arm_exidx_merged_section::build_contetns.  Write
2797         out contetns in buffer instead of building it on the fly.
2798         (Arm_relobj::make_exidx_input_section): Also pass text section size
2799         to Arm_exidx_input_section constructor.
2800         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2801         (Arm_dynobj::do_read_symbols): Fix memory leak.
2802         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2803         * target.h: (class Task): Add forward declaration.
2804         (Target::relax): Add new parameter TASK and pass it to
2805         Target::do_relax().
2806         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2807
2808 2010-11-05  Cary Coutant  <ccoutant@google.com>
2809
2810         PR gold/10708
2811         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2812         object when reading from the file.
2813         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2814         second layout pass.
2815         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2816         when reading section contents.
2817         (get_section_contents): Likewise.
2818         (icf::find_identical_sections): Likewise.
2819         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2820         object when reading from the file.
2821         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2822         the object when doing deferred section layout.
2823
2824 2010-11-03  Nick Clifton  <nickc@redhat.com>
2825
2826         PR gold/12001
2827         * script.h (class Symbol_assignment: name): New member.  Returns
2828         the name of the symbol.
2829         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2830         Returns true if the given symbol name is on the list of
2831         assignments wating to be processed.
2832         * archive.cc (should_incldue_member): If the symbol is undefined,
2833         check to see if it is on the list of symbols pending assignment.
2834
2835 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2836
2837         * script-sections.cc (Script_sections::find_memory_region): Check
2838         for a NULL output section pointer.
2839
2840 2010-10-29  Doug Kwan  <dougkwan@google.com>
2841
2842         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2843         Output_section::add_relaxed_input_section.
2844         * output.cc (Output_section::add_relaxed_input_section): Add new
2845         arguments LAYOUT and NAME.  Set section order index.
2846         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2847         Copy section order index.
2848         * output.h (Output_section::add_relaxed_input_section): Add new
2849         arguments LAYOUT and NAME.
2850
2851 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2852
2853         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2854         NATIVE_OR_CROSS_LINKER.
2855         * testsuite/Makefile.in: Regenerate.
2856
2857 2010-10-20  Doug Kwan  <dougkwan@google.com>
2858
2859         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2860         without SHF_LINK_ORDER flags.
2861         * layout.cc (Layout::choose_output_section): Do not filter
2862         SHF_LINK_ORDER flag in a relocatable link.
2863
2864 2010-10-17  Cary Coutant  <ccoutant@google.com>
2865
2866         * output.h (Output_segment::set_section_addresses): Change function
2867         signature.  Update all callers.
2868         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2869         sections.
2870         (Output_segment::set_section_addresses): Align after last TLS
2871         section.  Add padding before last relro section instead of after.
2872
2873 2010-10-17  Doug Kwan  <dougkwan@google.com>
2874
2875         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2876         GOT output section to be writable.
2877
2878 2010-10-14  Cary Coutant  <ccoutant@google.com>
2879
2880         * debug.h (DEBUG_INCREMENTAL): New flag.
2881         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2882         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2883         mode.
2884         * incremental.cc (report_command_line): Ignore all forms of
2885         --incremental.
2886         * layout.cc (Layout::Layout): Check parameters for incremental link
2887         mode.
2888         * options.cc (General_options::parse_incremental): New function.
2889         (General_options::parse_no_incremental): New function.
2890         (General_options::parse_incremental_full): New function.
2891         (General_options::parse_incremental_update): New function.
2892         (General_options::incremental_mode_): New data member.
2893         (General_options::finalize): Check incremental_mode_.
2894         * options.h (General_options): Update help text for --incremental.
2895         Add --no-incremental, --incremental-full, --incremental-update.
2896         (General_options::Incremental_mode): New enum type.
2897         (General_options::incremental_mode): New function.
2898         (General_options::incremental_mode_): New data member.
2899         * parameters.cc (Parameters::incremental_mode_): New data member.
2900         (Parameters::set_options): Set incremental_mode_.
2901         (Parameters::set_incremental_full): New function.
2902         (Parameters::incremental): New function.
2903         (Parameters::incremental_update): New function.
2904         (set_parameters_incremental_full): New function.
2905         * parameters.h (Parameters::set_incremental_full): New function.
2906         (Parameters::incremental): New function.
2907         (Parameters::incremental_update): New function.
2908         (Parameters::incremental_mode_): New data member.
2909         (set_parameters_incremental_full): New function.
2910         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2911         incremental link mode.
2912         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2913         (Sized_relobj::do_relocate_sections): Likewise.
2914         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2915         option.
2916         * testsuite/Makefile.in: Regenerate.
2917         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2918
2919 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2920
2921         * script-sections.h (class Script_sections): Make
2922         Sections_elements typedef public.
2923         * script-sections.cc (class Sort_output_sections): Add elements_
2924         field.  Add constructor which sets it; change all callers.
2925         (Sort_output_sections::is_before): New function.
2926         (Sort_output_sections::operator()): Call is_before.
2927         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2928         conditional.
2929         * testsuite/script_test_10.sh: New test. Test script section
2930         order.
2931         * testsuite/script_test_10.t: Likewise.
2932         * testsuite/script_test_10.s: Likewise.
2933         * testsuite/Makefile.am: Wrap the cross linker tests and the
2934         common tests into NATIVE_OR_CROSS_LINKER.
2935         (check_SCRIPTS): Add script_test_10.sh.
2936         (check_DATA): Add script_test_10.stdout.
2937         (script_test_10.o, script_test_10): New targets.
2938         (script_test_10.stdout): New target.
2939         * configure, testsuite/Makefile.in: Regenerate.
2940
2941 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2942
2943         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2944         error for the deprecated relocations.
2945         (Target_arm::Scan::global): Likewise.
2946         (Target_arm::Relocate::relocate): Likewise.
2947
2948 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2949
2950         * fileread.cc (Input_file::find_file): Initialize *found_name
2951         and *namep when using the fallback search for case 4.
2952
2953 2010-10-11  Cary Coutant  <ccoutant@google.com>
2954
2955         * options.h (class General_options): Redefine -z lazy as an alias for
2956         the negation of -z now.
2957
2958 2010-10-11  Ian Lance Taylor  <iant@google.com>
2959
2960         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2961         binding.
2962
2963 2010-10-06  Nick Clifton  <nickc@redhat.com>
2964
2965         * script-sections.cc(class Memory_region): Remove
2966         current_lma_offset_ field.  Rename current_vma_offset_ to
2967         current_offset_.  Add last_section_ field.
2968         (Memory_region::get_current_vma_address): Rename to
2969         get_current_address.
2970         (Memory_region::get_current_lma_address): Delete.
2971         (Memory_region::increment_vma_offset): Rename to
2972         increment_offset.
2973         (Memory_region::increment_lma_offset): Delete.
2974         (Memory_region::attributes_compatible): New method.  Returns
2975         true if the provided section is compatible with the region.
2976         (Memory_region::get_last_section): New method.  Returns the last
2977         section to use the region.
2978         (Memory_region::set_last_section): New method.  Stores the last
2979         section to use the region.
2980         (Script_sections::block_in_region): New method.  Returns true if
2981         a block of memory is contained within a region.
2982         (Script_sections::find_memory_region): New method.  Locates a
2983         memory region to be used to set a VMA or LMA address.
2984         (Output_section_definition::set_section_addresses): Add code to
2985         check for addresses set by memory regions.
2986         (Output_segment::set_section_addresses): Remove memory region
2987         walking code.
2988         (Script_sections::create_segment): Add a warning if a header
2989         segment is created outside of any region.
2990         * script-sections.h (class Script_sections): Add prototypes for
2991         find_memory_region and block_in_region methods.
2992         * testsuite/memory_test.s: Use .long instead of .word.
2993         * testsuite/memory_test.t: Add some more output sections.
2994         * testsuite/memory_test.sh: Update expected output.
2995
2996 2010-10-02  Doug Kwan  <dougkwan@google.com>
2997
2998         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2999         defintion to symtab.h
3000         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3001         declaration to defintion.
3002
3003 2010-10-01  Nick Clifton  <nickc@redhat.com>
3004
3005         * expression.cc (eval): Replace dummy argument with NULL.
3006         (eval_maybe_dot): Check for a NULL result section pointer.
3007         (Symbol_expression::value): Likewise.
3008         (Dot_expression::value): Likewise.
3009         (BINARY_EXPRESSION): Likewise.
3010         (Max_expression::value): Likewise.
3011         (Min_expression::value): Likewise.
3012         (Absolute_expression::value): Likewise.
3013         (Addr_expression::value_from_output_section): Likewise.
3014         (Loaddddr_expression::value_from_output_section): Likewise.
3015         (Segment_start_expression::value): Likewise.
3016         * script-sections.cc
3017         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3018         argument with NULL.
3019         (Sections_elememt_dot_assignment::set_section_addresses):
3020         Likewise.
3021         (Output_data_expression::do_write_to_buffer): Likewise.
3022         (Output_section_definition::finalize_symbols): Likewise.
3023         (Output_section_definition::set_section_addresses): Likewise.
3024
3025 2010-09-30  Doug Kwan  <dougkwan@google.com>
3026
3027         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3028
3029 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3030
3031         * target.h (Target::can_icf_inline_merge_sections): New virtual
3032         function.
3033         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3034         virtual function.
3035         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3036         virtual function.
3037         * icf.cc (get_section_contents): Inline merge sections only when
3038         target allows it.
3039
3040 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3041
3042         * configure: Regenerate.
3043
3044 2010-09-17  Ian Lance Taylor  <iant@google.com>
3045
3046         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3047         * testsuite/Makefile.am (memory_test.o): New target.
3048         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3049         memory_test.t.
3050         * testsuite/Makefile.in: Rebuild.
3051
3052 2010-09-17  Doug Kwan  <dougkwan@google.com>
3053
3054         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3055         defintion if relocation uses GOT entries of the symbol.
3056         * testsuite/icf_safe_test.sh: Fix test.
3057         * testsuite/icf_safe_so_test.sh: Fix test.
3058
3059 2010-09-16  Cary Coutant  <ccoutant@google.com>
3060
3061         * script_sections.cc (class Memory_region): Remove "NULL" from
3062         vector initializations.
3063
3064 2010-09-15  Cary Coutant  <ccoutant@google.com>
3065
3066         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3067         Resolve forwarding symbols.
3068
3069 2010-09-15  Doug Kwan  <dougkwan@google.com>
3070
3071         * gold/testsuite/script_test_3.t: Add ARM special sections.
3072         * gold/testsuite/script_test_4.t: Same.
3073         * gold/testsuite/script_test_5.t: Same.
3074         * gold/testsuite/script_test_6.t: Same.
3075         * gold/testsuite/script_test_7.t: Same.
3076         * gold/testsuite/script_test_7.t: Same.
3077         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3078
3079 2010-09-14  Cary Coutant  <ccoutant@google.com>
3080
3081         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3082         (Target_x86_64::Relocate::relocate_tls): Replace check for
3083         saw_tls_block_reloc_ with test for executable section.
3084
3085 2010-09-12  Cary Coutant  <ccoutant@google.com>
3086
3087         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3088         position-independent executables to shared libraries need dynamic
3089         relocations.
3090         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3091         position-independent executables.
3092         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3093         * testsuite/Makefile.in: Regenerate.
3094
3095 2010-09-10  Nick Clifton  <nickc@redhat.com>
3096
3097         PR gold/11997
3098         * testsuite/memory_test.t: Discard any sections that are not
3099         needed.
3100
3101 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3102
3103         PR gold/11996
3104         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3105         "This::" to work around a bug in gcc 4.2.
3106
3107         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3108
3109 2010-09-09  Rafael Espindola  <espindola@google.com>
3110
3111         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3112         sections with different PF_X flags in the same segment.
3113         (Layout::find_first_load_seg): Search all segments to find the first
3114         one.
3115         * options.h (rosegment): New.
3116
3117 2010-09-08  Rafael Espindola  <espindola@google.com>
3118
3119         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3120
3121 2010-09-08  Doug Kwan  <dougkwan@google.com>
3122
3123         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3124         (Arm_relobj::do_relocate_sections): Add new parameter for output
3125         file to match the parent.
3126         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3127         of local symbols instead of input values.  Update code to track
3128         changes in gold::relocate_section.
3129         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3130         (Sized_relobj::compute_final_local_value_internal): New methods.
3131         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3132         body into private version of Sized_relobj::compute_final_local_value.
3133         Call the inline method.
3134         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3135         merged symbol value if there is one.
3136         (Symbol_value::has_output_value): New method defintiion.
3137         (Sized_relobj::Compute_final_local_value_status): New enum type.
3138         (Sized_relobj::compute_final_local_value): New methods.
3139         (Sized_relobj::compute_final_local_value_internal): New methods.
3140         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3141         and arm_cortex_a8.sh.
3142         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3143         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3144         New tests.
3145         * Makefile.in: Regenerate.
3146         * testsuite/arm_bl_out_of_range.s: Update test.
3147         * testsuite/thumb_bl_out_of_range.s: Ditto.
3148         * testsuite/thumb_blx_out_of_range.s: Ditto.
3149         * testsuite/arm_branch_out_of_range.sh: New file.
3150         * testsuite/arm_cortex_a8.sh: Ditto.
3151         * testsuite/arm_cortex_a8_b.s: Ditto.
3152         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3153         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3154         * testsuite/arm_cortex_a8_bl.s: Ditto.
3155         * testsuite/arm_cortex_a8_blx.s: Ditto.
3156         * testsuite/arm_cortex_a8_local.s: Ditto.
3157         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3158         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3159
3160 2010-09-08  Rafael Espindola  <espindola@google.com>
3161
3162         * Makefile.am (memory_test.stdout): Run readelf with -W.
3163         * Makefile.in: Regenerate.
3164         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3165         64 bit output.
3166
3167 2010-09-08  Rafael Espindola  <espindola@google.com>
3168
3169         * script-sections.cc (Script_sections::add_memory_region): Convert
3170         field precision to int.
3171         * script.cc (script_set_section_region, script_set_section_region):
3172         Convert field precision to int.
3173
3174 2010-09-08  Rafael Espindola  <espindola@google.com>
3175
3176         * arm.cc (do_finalize_sections): Create the __exidx_start and
3177         __exdix_end symbols even when the section is missing.
3178
3179 2010-09-08  Nick Clifton  <nickc@redhat.com>
3180
3181         * README: Remove claim that MEMORY is not supported.
3182         * expression.cc (script_exp_function_origin)
3183         (script_exp_function_length): Move from here to ...
3184         * script.cc: ... here.
3185         (script_set_section_region, script_add_memory)
3186         (script_parse_memory_attr, script_include_directive): New
3187         functions.
3188         * script-sections.cc
3189         (class Memory_region): New class.
3190         (class Output_section_definition): Add set_memory_region,
3191         set_section_vma, set_section_lma and get_section_name methods.
3192         (class Script_Sections): Add add_memory_region,
3193         find_memory_region, find_memory_region_origin,
3194         find_memory_region_length and set_memory_region methods.
3195         Have set_section_addresses method walk the list of set memory
3196         regions.
3197         Extend the print methos to display memory regions.
3198         * script-sections.h: Add prototypes for new methods.
3199         Add enum for MEMORY region attributes.
3200         * yyscript.y: Add support for parsing MEMORY regions.
3201         * script-c.h: Add prototypes for new functions.
3202         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3203         * testsuite/Makefile.in: Regenerate.
3204         * testsuite/memory_test.sh: New script.
3205         * testsuite/memory_test.s: New assembler source file.
3206         * testsuite/memory_test.t: New linker script.
3207
3208 2010-08-27  Doug Kwan  <dougkwan@google.com>
3209
3210         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3211         reference override an existing dynamic weak reference.
3212         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3213         * testsuite/Makefile.in: Regenerate.
3214         * testsuite/dyn_weak_ref.sh: New file.
3215         * testsuite/dyn_weak_ref_1.c: Ditto.
3216         * testsuite/dyn_weak_ref_2.c: Ditto.
3217
3218 2010-08-27  Ian Lance Taylor  <iant@google.com>
3219
3220         * incremental.h (class Incremental_input_entry): Add virtual
3221         destructor.
3222
3223 2010-08-27  Ian Lance Taylor  <iant@google.com>
3224
3225         * testsuite/start_lib_test_3.c: Mark t3 as used.
3226
3227 2010-08-27  Nick Clifton  <nickc@redhat.com>
3228
3229         * options.cc (version_script): Fix small typo in previous
3230         whitespace tidyup.
3231
3232 2010-08-25  Nick Clifton  <nickc@redhat.com>
3233
3234         * archive.cc: Formatting fixes: Remove whitespace between
3235         typename and following asterisk.  Remove whitespace between
3236         function name and opening parenthesis.
3237         * archive.h: Likewise.
3238         * arm.cc: Likewise.
3239         * attributes.cc: Likewise.
3240         * attributes.h: Likewise.
3241         * common.cc: Likewise.
3242         * copy-relocs.cc: Likewise.
3243         * dirsearch.h: Likewise.
3244         * dynobj.cc: Likewise.
3245         * ehframe.cc: Likewise.
3246         * ehframe.h: Likewise.
3247         * expression.cc: Likewise.
3248         * fileread.cc: Likewise.
3249         * fileread.h: Likewise.
3250         * gc.h: Likewise.
3251         * gold-threads.cc: Likewise.
3252         * gold.cc: Likewise.
3253         * i386.cc: Likewise.
3254         * icf.h: Likewise.
3255         * incremental-dump.cc: Likewise.
3256         * incremental.cc: Likewise.
3257         * layout.cc: Likewise.
3258         * layout.h: Likewise.
3259         * main.cc: Likewise.
3260         * merge.cc: Likewise.
3261         * merge.h: Likewise.
3262         * object.cc: Likewise.
3263         * object.h: Likewise.
3264         * options.cc: Likewise.
3265         * options.h: Likewise.
3266         * output.cc: Likewise.
3267         * output.h: Likewise.
3268         * plugin.cc: Likewise.
3269         * plugin.h: Likewise.
3270         * powerpc.cc: Likewise.
3271         * reloc.cc: Likewise.
3272         * script-c.h: Likewise.
3273         * script-sections.cc: Likewise.
3274         * script.cc: Likewise.
3275         * stringpool.cc: Likewise.
3276         * symtab.cc: Likewise.
3277         * symtab.h: Likewise.
3278         * target.cc: Likewise.
3279         * timer.cc: Likewise.
3280         * timer.h: Likewise.
3281         * version.cc: Likewise.
3282         * x86_64.cc: Likewise.
3283
3284 2010-08-24  Nick Clifton  <nickc@redhat.com>
3285
3286         PR 11899
3287         * layout.cc (segment_precedes): Sort segments by their physical
3288         addresses, if they have been set.
3289
3290 2010-08-23  Cary Coutant  <ccoutant@google.com>
3291
3292         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3293         symbols data.
3294         (Lib_group::include_member): Unlock object after deleting its
3295         symbols data.
3296         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3297         the bug fixed here.
3298
3299 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3300             Cary Coutant  <ccoutant@google.com>
3301
3302         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3303         constructor, and set_blocker.
3304         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3305         readsyms_blocker_.
3306         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3307         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3308         * testsuite/Makefile.am (start_lib_test): New test case.
3309         * testsuite/Makefile.in: Regenerate.
3310         * testsuite/start_lib_test_main.c: New file.
3311         * testsuite/start_lib_test_1.c: New file.
3312         * testsuite/start_lib_test_2.c: New file.
3313         * testsuite/start_lib_test_3.c: New file.
3314
3315 2010-08-19  Ian Lance Taylor  <iant@google.com>
3316
3317         * Makefile.in: Rebuild with automake 1.11.1.
3318         * aclocal.m4: Likewise.
3319         * testsuite/Makefile.in: Likewise.
3320
3321 2010-08-19  Ian Lance Taylor  <iant@google.com>
3322
3323         PR 10893
3324         * i386.cc (class Output_data_plt_i386): Update declarations.
3325         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3326         local_ifuncs_ fields.
3327         (Target_i386::do_plt_section_for_global): New function.
3328         (Target_i386::do_plt_section_for_local): New function.
3329         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3330         parameter; change all callers.  Initialize global_ifuncs_ and
3331         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3332         __rel_iplt_end.
3333         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3334         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3335         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3336         symbols.
3337         (Target_i386::make_plt_section): New function, broken out of
3338         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3339         (Target_i386::make_plt_entry): Call make_plt_section.
3340         (Target_i386::make_local_ifunc_plt_entry): New function.
3341         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3342         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3343         R_386_IRELATIVE to switch.
3344         (Target_i386::Scan::global): Likewise.
3345         (Target_i386::Relocate::relocate): Likewise.
3346         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3347         switch.
3348         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3349         (Target_x86_64::do_plt_section_for_global): New function.
3350         (Target_x86_64::do_plt_section_for_local): New function.
3351         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3352         parameter; change all callers.  If doing a static link define
3353         __rela_iplt_start and __rela_iplt_end.
3354         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3355         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3356         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3357         to point to .plt.
3358         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3359         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3360         switch.
3361         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3362         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3363         R_X86_64_IRELATIVE to switch.
3364         (Target_x86_64::Scan::global): Likewise.
3365         (Target_x86_64::Relocate::relocate): Likewise.
3366         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3367         switch.
3368         * target.h (class Target): Add plt_section_for_global and
3369         plt_section_for_local functions.  Add do_plt_section_for_global
3370         and do_plt_section_for_local virtual functions.
3371         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3372         clarifying comments.
3373         (Symbol::use_plt_offset): Handle IFUNC symbol.
3374         * object.cc (Sized_relobj::Sized_relobj): Initialize
3375         local_plt_offsets_.
3376         (Sized_relobj::local_has_plt_offset): New function.
3377         (Sized_relobj::local_plt_offset): New function.
3378         (Sized_relobj::set_local_plt_offset): New function.
3379         (Sized_relobj::do_count): Handle IFUNC symbol.
3380         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3381         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3382         is_ifunc_symbol functions.
3383         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3384         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3385         local_plt_offsets_ field.
3386         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3387         * output.h (class Output_section_data): Add non-const
3388         output_section function.
3389         (class Output_data_got): Update declarations.
3390         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3391         Add use_plt_offset parameter to global and local constructors.
3392         Change all callers.  Change local_sym_index_ field to 31 bits.
3393         Change GSYM_CODE and CONSTANT_CODE accordingly.
3394         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3395         doing a static link don't set sh_link field.
3396         (Output_data_got::Got_entry::write): Use PLT offset if
3397         appropriate.
3398         (Output_data_got::add_global_plt): New function.
3399         (Output_data_got::add_local_plt): New function.
3400         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3401         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3402         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3403         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3404         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3405         IFUNC conditional.
3406         * testsuite/ifunc-sel.h: New file.
3407         * testsuite/ifuncmain1.c: New file.
3408         * testsuite/ifuncmain1vis.c: New file.
3409         * testsuite/ifuncmod1.c: New file.
3410         * testsuite/ifuncdep2.c: New file.
3411         * testsuite/ifuncmain2.c: New file.
3412         * testsuite/ifuncmain3.c: New file.
3413         * testsuite/ifuncmod3.c: New file.
3414         * testsuite/ifuncmain4.c: New file.
3415         * testsuite/ifuncmain5.c: New file.
3416         * testsuite/ifuncmod5.c: New file.
3417         * testsuite/ifuncmain6pie.c: New file.
3418         * testsuite/ifuncmod6.c: New file.
3419         * testsuite/ifuncmain7.c: New file.
3420         * configure, testsuite/Makefile.in: Rebuild.
3421
3422 2010-08-18  Ian Lance Taylor  <iant@google.com>
3423
3424         * incremental.cc
3425         (Output_section_incremental_inputs::write_input_files): Add cast
3426         to avoid signed/unsigned comparison warning.
3427         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3428
3429 2010-08-12  Cary Coutant  <ccoutant@google.com>
3430
3431         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3432
3433 2010-08-13  Ian Lance Taylor  <iant@google.com>
3434
3435         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3436
3437 2010-08-12  Cary Coutant  <ccoutant@google.com>
3438             Doug Kwan  <dougkwan@google.com>
3439
3440         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3441         defintion overrides non-weak undef, remember that the original undef
3442         is not weak.
3443         * symtab.cc (Symbol_table::sized_write_global): For undef without
3444         an original weak binding, set binding to global in output.
3445         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3446         * testsuite/Makefile.in: Regenerate.
3447         * testsuite/strong_ref_weak_def.sh: New file.
3448         * testsuite/strong_ref_weak_def_1.c: Ditto.
3449         * testsuite/strong_ref_weak_def_2.c: Ditto.
3450
3451 2010-08-12  Cary Coutant  <ccoutant@google.com>
3452
3453         * testsuite/incremental_test.sh: Rewrite.
3454         * testsuite/incremental_test_1.c: Rewrite.
3455         * testsuite/incremental_test_2.c: Rewrite.
3456
3457 2010-08-12  Cary Coutant  <ccoutant@google.com>
3458
3459         * arm.cc (Target_arm::got_size): Add const.
3460         (Target_arm::got_entry_count): New function.
3461         (Target_arm::plt_entry_count): New function.
3462         (Target_arm::first_plt_entry_offset): New function.
3463         (Target_arm::plt_entry_size): New function.
3464         (Output_data_plt_arm::entry_count): New function.
3465         (Output_data_plt_arm::first_plt_entry_offset): New function.
3466         (Output_data_plt_arm::get_plt_entry_size): New function.
3467         * i386.cc (Target_i386::got_size): Add const.
3468         (Target_i386::got_entry_count): New function.
3469         (Target_i386::plt_entry_count): New function.
3470         (Target_i386::first_plt_entry_offset): New function.
3471         (Target_i386::plt_entry_size): New function.
3472         (Output_data_plt_i386::entry_count): New function.
3473         (Output_data_plt_i386::first_plt_entry_offset): New function.
3474         (Output_data_plt_i386::get_plt_entry_size): New function.
3475         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3476         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3477         * incremental.cc: Include target.h.
3478         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3479         parameter.  Adjust all callers.  Find incremental_got_plt section.
3480         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3481         section.
3482         (Output_section_incremental_inputs::set_final_data_size): Calculate
3483         size of incremental_got_plt section.
3484         (Output_section_incremental_inputs::do_write): Write the
3485         incremental_got_plt section.
3486         (Got_plt_view_info): New struct.
3487         (Local_got_offset_visitor): New class.
3488         (Global_got_offset_visitor): New class.
3489         (Global_symbol_visitor_got_plt): New class.
3490         (Output_section_incremental_inputs::write_got_plt): New function.
3491         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3492         Add parameter.  Adjust all callers.
3493         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3494         (Incremental_inputs::got_plt_section): New function.
3495         (Incremental_inputs::got_plt_section_): New data member.
3496         (Incremental_got_plt_reader): New class.
3497         * layout.cc (Layout::create_incremental_info_sections): Add the
3498         incremental_got_plt section.
3499         * object.h (Got_offset_list::get_list): New function.
3500         (Got offset_list::for_all_got_offsets): New function.
3501         (Sized_relobj::local_got_offset_list): New function.
3502         * powerpc.cc (Target_powerpc::got_size): Add const.
3503         (Target_powerpc::got_entry_count): New function.
3504         (Target_powerpc::plt_entry_count): New function.
3505         (Target_powerpc::first_plt_entry_offset): New function.
3506         (Target_powerpc::plt_entry_size): New function.
3507         (Output_data_plt_powerpc::entry_count): New function.
3508         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3509         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3510         * sparc.cc (Target_sparc::got_size): Add const.
3511         (Target_sparc::got_entry_count): New function.
3512         (Target_sparc::plt_entry_count): New function.
3513         (Target_sparc::first_plt_entry_offset): New function.
3514         (Target_sparc::plt_entry_size): New function.
3515         (Output_data_plt_sparc::entry_count): New function.
3516         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3517         (Output_data_plt_sparc::get_plt_entry_size): New function.
3518         * symtab.h (Symbol::got_offset_list): New function.
3519         (Symbol_table::for_all_symbols): New function.
3520         * target.h (Sized_target::got_entry_count): New function.
3521         (Sized_target::plt_entry_count): New function.
3522         (Sized_target::plt_entry_size): New function.
3523         * x86_64.cc (Target_x86_64::got_size): Add const.
3524         (Target_x86_64::got_entry_count): New function.
3525         (Target_x86_64::plt_entry_count): New function.
3526         (Target_x86_64::first_plt_entry_offset): New function.
3527         (Target_x86_64::plt_entry_size): New function.
3528         (Output_data_plt_x86_64::entry_count): New function.
3529         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3530         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3531
3532 2010-08-12  Cary Coutant  <ccoutant@google.com>
3533
3534         * archive.cc: Include incremental.h.
3535         (Archive::Archive): Initialize incremental_info_.
3536         (Archive::include_member): Record archive members in incremental info.
3537         (Add_archive_symbols::run): Record begin and end of an archive in
3538         incremental info.
3539         (Lib_group::include_member): Record objects in incremental info.
3540         * archive.h (Incremental_archive_entry): Forward declaration.
3541         (Archive::set_incremental_info): New member function.
3542         (Archive::incremental_info): New member function.
3543         (Archive::Unused_symbol_iterator): New class.
3544         (Archive::unused_symbols_begin): New member function.
3545         (Archive::unused_symbols_end): New member function.
3546         (Archive::incremental_info_): New data member.
3547         * incremental-dump.cc (find_input_containing_global): New function.
3548         (dump_incremental_inputs): Dump new incremental info sections.
3549         * incremental.cc: Include symtab.h.
3550         (Output_section_incremental_inputs): New class.
3551         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3552         new incremental info sections.
3553         (Sized_incremental_binary::do_check_inputs): Likewise.
3554         (Incremental_inputs::report_archive): Remove.
3555         (Incremental_inputs::report_archive_begin): New function.
3556         (Incremental_inputs::report_archive_end): New function.
3557         (Incremental_inputs::report_object): New function.
3558         (Incremental_inputs::finalize_inputs): Remove.
3559         (Incremental_inputs::report_input_section): New function.
3560         (Incremental_inputs::report_script): Rewrite.
3561         (Incremental_inputs::finalize): Do nothing but finalize string table.
3562         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3563         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3564         (Incremental_inputs::create_data_sections): New function.
3565         (Incremental_inputs::relocs_entsize): New function.
3566         (Output_section_incremental_inputs::set_final_data_size): New function.
3567         (Output_section_incremental_inputs::do_write): New function.
3568         (Output_section_incremental_inputs::write_header): New function.
3569         (Output_section_incremental_inputs::write_input_files): New function.
3570         (Output_section_incremental_inputs::write_info_blocks): New function.
3571         (Output_section_incremental_inputs::write_symtab): New function.
3572         * incremental.h (Incremental_script_entry): Forward declaration.
3573         (Incremental_object_entry): Forward declaration.
3574         (Incremental_archive_entry): Forward declaration.
3575         (Incremental_inputs): Forward declaration.
3576         (Incremental_inputs_header_data): Remove.
3577         (Incremental_inputs_header): Remove.
3578         (Incremental_inputs_header_write): Remove.
3579         (Incremental_inputs_entry_data): Remove.
3580         (Incremental_inputs_entry): Remove.
3581         (Incremental_inputs_entry_write): Remove.
3582         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3583         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3584         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3585         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3586         Likewise.
3587         (Incremental_input_entry): New class.
3588         (Incremental_script_entry): New class.
3589         (Incremental_object_entry): New class.
3590         (Incremental_archive_entry): New class.
3591         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3592         (Incremental_inputs::report_inputs): Remove.
3593         (Incremental_inputs::report_archive): Remove.
3594         (Incremental_inputs::report_archive_begin): New function.
3595         (Incremental_inputs::report_archive_end): New function.
3596         (Incremental_inputs::report_object): Change prototype.
3597         (Incremental_inputs::report_input_section): New function.
3598         (Incremental_inputs::report_script): Change prototype.
3599         (Incremental_inputs::get_reloc_count): New function.
3600         (Incremental_inputs::set_reloc_count): New function.
3601         (Incremental_inputs::create_data_sections): New function.
3602         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3603         (Incremental_inputs::inputs_section): New function.
3604         (Incremental_inputs::symtab_section): New function.
3605         (Incremental_inputs::relocs_section): New function.
3606         (Incremental_inputs::get_stringpool): Add const.
3607         (Incremental_inputs::command_line): Add const.
3608         (Incremental_inputs::inputs): Remove.
3609         (Incremental_inputs::command_line_key): New function.
3610         (Incremental_inputs::input_file_count): New function.
3611         (Incremental_inputs::input_files): New function.
3612         (Incremental_inputs::relocs_entsize): New function.
3613         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3614         (Incremental_inputs::finalize_inputs): Remove.
3615         (Incremental_inputs::Input_info): Remove.
3616         (Incremental_inputs::lock_): Remove.
3617         (Incremental_inputs::inputs_): Change type.
3618         (Incremental_inputs::inputs_map_): Remove.
3619         (Incremental_inputs::current_object_entry_): New data member.
3620         (Incremental_inputs::inputs_section_): New data member.
3621         (Incremental_inputs::symtab_section_): New data member.
3622         (Incremental_inputs::relocs_section_): New data member.
3623         (Incremental_inputs::reloc_count_): New data member.
3624         (Incremental_inputs_reader): New class.
3625         (Incremental_symtab_reader): New class.
3626         (Incremental_relocs_reader): New class.
3627         * layout.cc (Layout::finalize): Move finalization of incremental info
3628         and creation of incremental info sections to follow finalization of
3629         symbol table.  Set offsets for postprocessing sections.
3630         (Layout::create_incremental_info_sections): Call
3631         Incremental_inputs::create_data_sections.  Add incremental symtab
3632         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3633         sections to layout after input sections.
3634         * layout.h (struct Timespec): Forward declaration.
3635         (Layout::incremental_inputs): Add const.
3636         (Layout::create_incremental_info_sections): Add parameter.
3637         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3638         * object.cc: Include incremental.h.
3639         (Relobj::finalize_incremental_relocs): New function.
3640         (Sized_relobj::do_layout): Record input sections in incremental info.
3641         * object.h (Object::output_section): New function.
3642         (Object::output_section_offset): Moved from Relobj.
3643         (Object::get_incremental_reloc_base): New function.
3644         (Object::get_incremental_reloc_count): New function.
3645         (Object::do_output_section): New function.
3646         (Object::do_output_section_offset): Moved from Relobj.
3647         (Object::do_get_incremental_reloc_base): New function.
3648         (Object::do_get_incremental_reloc_count): New function.
3649         (Object::Object): Initialize new data members.
3650         (Relobj::output_section): Renamed do_output_section and moved to
3651         protected.
3652         (Relobj::output_section_offset): Moved to Object.
3653         (Relobj::do_get_incremental_reloc_base): New function.
3654         (Relobj::do_get_incremental_reloc_count): New function.
3655         (Relobj::allocate_incremental_reloc_counts): New function.
3656         (Relobj::count_incremental_reloc): New function.
3657         (Relobj::finalize_incremental_relocs): New function.
3658         (Relobj::next_incremental_reloc_index): New function.
3659         (Relobj::reloc_counts_): New data member.
3660         (Relobj::reloc_bases_): New data member.
3661         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3662         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3663         (Sized_relobj::incremental_relocs_scan): New function.
3664         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3665         (Sized_relobj::incremental_relocs_write): New function.
3666         (Sized_relobj::incremental_relocs_write_reltype): New function.
3667         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3668         incremental link.
3669         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3670         archives and object files elsewhere.
3671         (Add_symbols::run): Report object files here.
3672         (Finish_group::run): Report end of archive at end of group.
3673         * reloc.cc: Include layout.h, incremental.h.
3674         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3675         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3676         (Sized_relobj::incremental_relocs_scan): New function.
3677         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3678         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3679         (Sized_relobj::incremental_relocs_write): New function.
3680         (Sized_relobj::incremental_relocs_write_reltype): New function.
3681         * script.cc (read_input_script): Rewrite test for incremental link.
3682         Change call to Incremental_inputs::report_script.
3683         * symtab.h (Symbol_table::first_global_index): New function.
3684         (Symbol_table::output_count): New function.
3685
3686 2010-08-12  Doug Kwan  <dougkwan@google.com>
3687
3688         * arm.cc (Target_arm::merge_object_attributes): Check command line
3689         options --no-wchar-size-warning and --no-enum-size-warning.
3690         * options.h (General_options): Add ld-compatible options
3691         --no-enum-size-warning and --no-wchar-size-warning.
3692
3693 2010-08-04  Ian Lance Taylor  <iant@google.com>
3694
3695         * x86_64.cc (Target_x86_64::Scan::local): Use
3696         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3697         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3698         (Target_x86_64::Scan::global): Likewise.
3699         (Target_x86_64::Relocate::relocate): Likewise.
3700         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3701         Likewise.
3702
3703 2010-08-03  Cary Coutant  <ccoutant@google.com>
3704
3705         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3706         to reserve space in merged_strings vector. Keep total input size
3707         for stats.
3708         (Output_merge_string::do_print_merge_stats): Print total input size.
3709         * merge.h (Output_merge_string): Add input_size_ field.
3710         * stringpool.cc (Stringpool_template::string_length): Move
3711         implementations out of Stringpool_template class and place in
3712         stringpool.h.
3713         * stringpool.h (string_length): Move out of Stringpool_template.
3714
3715 2010-08-03  Ian Lance Taylor  <iant@google.com>
3716
3717         PR 11712
3718         * layout.cc (relaxation_loop_body): If address of load segment is
3719         set, adjust address to include headers if possible.
3720
3721 2010-08-03  Ian Lance Taylor  <iant@google.com>
3722
3723         * version.cc (version_string): Bump to 1.10.
3724
3725 2010-08-03  Ian Lance Taylor  <iant@google.com>
3726
3727         PR 11805
3728         * layout.h (enum Output_section_order): Define.
3729         (class Layout): Update declarations.
3730         * layout.cc (Layout::get_output_section): Add order parameter.
3731         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3732         is_first_non_relro parameters.  Change all callers.
3733         (Layout::choose_output_section): Likewise.
3734         (Layout::add_output_section_data): Likewise.
3735         (Layout::make_output_section): Likewise.  Set order.
3736         (Layout::default_section_order): New function.
3737         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3738         * output.cc (Output_section::Output_section): Initialize order_.
3739         Don't initialize deleted fields.
3740         (Output_segment::Output_segment): Don't initialize deleted
3741         fields.
3742         (Output_segment::add_output_section_to_load): New function
3743         replacing add_output_section.  Change all callers to call this or
3744         add_output_section_to_nonload.
3745         (Output_segment::add_output_section_to_nonload): New function.
3746         (Output_segment::remove_output_section): Rewrite.
3747         (Output_segment::add_initial_output_data): Likewise.
3748         (Output_segment::has_any_data_sections): Likewise.
3749         (Output_segment::is_first_section_relro): Likewise.
3750         (Output_segment::maximum_alignment): Likewise.
3751         (Output_segment::has_dynamic_reloc): New function replacing
3752         dynamic_reloc_count.  Change all callers.
3753         (Output_segment::has_dynamic_reloc_list): New function replacing
3754         dynamic_reloc_count_list.  Change all callers.
3755         (Output_segment::set_section_addresses): Rewrite.
3756         (Output_segment::set_offset): Rewrite.
3757         (Output_segment::find_first_and_last_list): Remove.
3758         (Output_segment::set_tls_offsets): Rewrite.
3759         (Output_segment::first_section_load_address): Likewise.
3760         (Output_segment::output_section_count): Likewise.
3761         (Output_segment::section_with_lowest_load_address): Likewise.
3762         (Output_segment::write_section_headers): Likewise.
3763         (Output_segment::print_sections_to_map): Likewise.
3764         * output.h (class Output_data): Remove dynamic_reloc_count_
3765         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3766         (Output_data::add_dynamic_reloc): Rewrite.
3767         (Output_data::has_dynamic_reloc): New function.
3768         (Output_data::dynamic_reloc_count): Remove.
3769         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3770         is_last_relro_, is_first_non_relro_, is_interp_,
3771         is_dynamic_linker_section_ fields.  Add order and set_order
3772         functions.  Remove is_relro_local, set_is_relro_local,
3773         is_last_relro, set_is_last_relro, is_first_non_relro,
3774         set_is_first_non_relro functions, is_interp, set_is_interp,
3775         is_dynamic_linker_section, and set_is_dynamic_linker_section
3776         functions.
3777         (class Output_segment): Change Output_data_list from std::list to
3778         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3779         output_bss_ fields.  Update declarations.
3780
3781 2010-08-02  Ian Lance Taylor  <iant@google.com>
3782
3783         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3784         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3785         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3786
3787 2010-08-02  Ian Lance Taylor  <iant@google.com>
3788
3789         PR 11855
3790         * script.cc (Script_options::Script_options): Initialize
3791         symbol_definitions_ and symbol_references_.
3792         (Script_options::add_symbol_assignment): Update
3793         symbol_definitions_ and symbol_references_.
3794         (Script_options::add_symbol_reference): New function.
3795         (script_symbol): New function.
3796         * script.h (class Script_options): Add symbol_definitions_ and
3797         symbol_references_ fields.
3798         (Script_options::referenced_const_iterator): New type.
3799         (Script_options::referenced_begin): New function.
3800         (Script_options::referenced_end): New function.
3801         (Script_options::is_referenced): New function.
3802         (Script_options::any_unreferenced): New function.
3803         * script-c.h (script_symbol): Declare.
3804         * yyscript.y (exp): Call script_symbol.
3805         * symtab.cc: Include "script.h".
3806         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3807         Change all callers.  Check symbols referenced by scripts.
3808         (Symbol_table::add_undefined_symbols_from_command_line): Add
3809         layout parameter.  Change all callers.
3810         (Symbol_table::do_add_undefined_symbols_from_command_line):
3811         Likewise.  Break out loop body.  Check symbols referenced by
3812         scripts.
3813         (Symbol_table::add_undefined_symbol_from_command_line): New
3814         function broken out of
3815         do_add_undefined_symbols_from_command_line.
3816         * symtab.h (class Symbol_table): Update declarations.
3817         * archive.cc: Include "layout.h".
3818         (Archive::should_include_member): Add layout parameter.  Change
3819         all callers.  Check for symbol mentioned in expression.
3820         * archive.h (class Archive): Update declaration.
3821         * object.cc (Sized_relobj::do_should_include_member): Add layout
3822         parameter.
3823         * object.h (Object::should_include_member): Add layout parameter.
3824         Change all callers.
3825         (Object::do_should_include_member): Add layout parameter.
3826         (class Sized_relobj): Update declaration.
3827         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3828         parameter.
3829         * dynobj.h (class Sized_dynobj): Update declaration.
3830         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3831         layout parameter.
3832         * plugin.h (class Sized_pluginobj): Update declaration.
3833
3834 2010-08-02  Ian Lance Taylor  <iant@google.com>
3835
3836         PR 11866
3837         * output.cc (Output_segment::set_offset): Search for the first and
3838         last sections rather than assuming that the list is in order.
3839         (Output_segment::find_first_and_last_list): New function.
3840         * output.h (class Output_segment): Update declarations.
3841         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3842         (relro_strip_test_SOURCES): New variable.
3843         (relro_strip_test_DEPENDENCIES): New variable.
3844         (relro_strip_test_LDFLAGS): New variable.
3845         (relro_strip_test_LDADD): New variable.
3846         (relro_strip_test.so): New target.
3847
3848 2010-08-02  Ian Lance Taylor  <iant@google.com>
3849
3850         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3851         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3852         (Target_i386::got_tlsdesc_section): New function.
3853         (Target_i386::got_section): Create space for GOT entries for
3854         TLSDESC relocations.
3855         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3856         R_386_TLS_GOTDESC.
3857         (Target_i386::Scan::global): Likewise.
3858         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3859         using TLSDESC GOT.
3860         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3861         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3862         (Target_x86_64::got_tlsdesc_section): New function.
3863         (Target_x86_64::got_section): Create space for GOT entries for
3864         TLSDESC relocations.
3865         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3866         R_386_TLS_GOTDESC.
3867         (Target_x86_64::Scan::global): Likewise.
3868         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3869         using TLSDESC GOT.
3870
3871 2010-08-02  Ian Lance Taylor  <iant@google.com>
3872
3873         * testsuite/final_layout.sh: Use dc to convert from hex to
3874         decimal.
3875
3876 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3877
3878         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3879         paramter to the call to gold::gc_process_relocs.
3880         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3881         paramter to the call to gold::gc_process_relocs.
3882         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3883         parameter to the call to gold::gc_process_relocs.
3884         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3885         template parameter to the call to gold::gc_process_relocs.
3886         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3887         paramter to the call to gold::gc_process_relocs.
3888         * gc.h (get_embedded_addend_size): New function.
3889         (gc_process_relocs): Save the size of the reloc for use by ICF.
3890         * icf.cc (get_section_contents): Get the addend from the text section
3891         for SHT_REL relocation sections.
3892         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3893         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3894         * int_encoding.h (read_from_pointer): New overloaded function.
3895         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3896         * testsuite/icf_sht_rel_addend_test.sh: New file.
3897         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3898         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3899
3900 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3901
3902         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3903         * Makefile.in: Regenerate.
3904         * testsuite/Makefile.in: Regenerate.
3905
3906 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3907
3908         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3909         * gold/testsuite/debug_msg.cc: Likewise.
3910         * gold/testsuite/odr_violation1.cc
3911         * gold/testsuite/odr_violation2.cc
3912
3913 2010-07-21  Cary Coutant  <ccoutant@google.com>
3914
3915         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3916         string, and length fields.
3917         (Output_merge_string::Merged_strings_list): New type.
3918         (Output_merge_string::Merged_strings_lists): New typedef.
3919         (Output_merge_string): Replace merged_strings_ with
3920         merged_strings_lists_.
3921         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3922         Merged_strings_list per input object and section.  Don't store pointer
3923         to the string.  Don't store length with each merged string entry.
3924         (Output_merge_string::finalize_merged_data): Loop over list of merged
3925         strings lists.  Recompute length of each merged string.
3926
3927 2010-07-15  Cary Coutant  <ccoutant@google.com>
3928
3929         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3930         here.
3931
3932 2010-07-14  Ian Lance Taylor  <iant@google.com>
3933
3934         * descriptors.cc (Descriptors::open): Report correct name in error
3935         message.
3936
3937 2010-07-13  Doug Kwan  <dougkwan@google.com>
3938
3939         * arm.cc (Arm_input_section::Arm_input_section): For a
3940         SHT_ARM_EXIDX section, always keeps the input sections.
3941         (Arm_input_section::set_exidx_section_link): New method.
3942         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3943         has_errors_ to false.
3944         (Arm_exidx_input_section::has_errors,
3945         Arm_exidx_input_section::set_has_errors): New methods.
3946         (Arm_exidx_input_section::has_errors_): New data member.
3947         (Arm_relobj::get_exidx_shndx_list): New method.
3948         (Arm_output_section::append_text_sections_to_list): Do not skip
3949         section without SHF_EXECINSTR.
3950         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3951         errors.
3952         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3953         section header.  Make error messages more verbose.  Check for
3954         a non-executable section linked to an EXIDX section.
3955         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3956         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3957         check that there is no deferred EXIDX section if we exit early.
3958         Instead of not making an EXIDX section in case of an error, make one
3959         and set the has_errors flag of it.
3960         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3961         in a relocatable link.
3962         (Target_arm::do_relax): Look for the EXIDX output section instead of
3963         assuming that it is called .ARM.exidx.
3964         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3965         section list.  Do not check for SHF_EXECINSTR section flags but
3966         skip any input section with errors.
3967         * output.cc (Output_section::Output_section): Initialize
3968         always_keeps_input_sections_ to false.
3969         (Output_section::add_input_section): Check for
3970         always_keeps_input_sections_.
3971         *  output.h (Output_section::always_keeps_input_sections,
3972         Output_section::set_always_keeps_input_sections): New methods.
3973         (Output_section::always_keeps_input_sections): New data member.
3974
3975 2010-07-13  Rafael Espindola  <espindola@google.com>
3976
3977         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3978         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3979
3980 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3981             Ian Lance Taylor  <iant@google.com>
3982
3983         * output.h (Output_section_lookup_maps::add_merge_section):
3984         Correct check of whether value was inserted.
3985         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3986         (Output_section_lookup_maps::add_relaxed_input_section):
3987         Likewise.
3988         * arm.cc (Target_arm::got_section): Remove used local os.
3989         * i386.cc (Target_i386::got_section): Likewise.
3990         * x86_64.cc (Target_x86_64::got_section): Likewise.
3991         * sparc.cc (Target_sparc::got_section): Likewise.
3992         (Target_sparc::relocate): Remove unused local have_got_offset.
3993         * powerpc.cc (Target_powerpc::relocate): Likewise.
3994
3995 2010-07-13  Ian Lance Taylor  <iant@google.com>
3996
3997         * compressed_output.cc (zlib_decompress): Fix signature in
3998         !HAVE_ZLIB_H case.
3999
4000         * archive.cc (Archive::include_member): Unlock an external member
4001         of a thin archive.  Don't bother to delete an object we know is
4002         NULL.
4003
4004 2010-07-12  Cary Coutant  <ccoutant@google.com>
4005
4006         * compressed_output.cc (zlib_decompress): New function.
4007         (get_uncompressed_size): New function.
4008         (decompress_input_section): New function.
4009         * compressed_output.h (get_uncompressed_size): New function.
4010         (decompress_input_section): New function.
4011         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4012         Handle compressed debug sections.
4013         * layout.cc (is_compressed_debug_section): New function.
4014         (Layout::output_section_name): Map compressed section names to
4015         canonical names.
4016         * layout.h (is_compressed_debug_section): New function.
4017         (is_debug_info_section): Recognize compressed debug sections.
4018         * merge.cc: Include compressed_output.h.
4019         (Output_merge_data::do_add_input_section): Handle compressed
4020         debug sections.
4021         (Output_merge_string::do_add_input_section): Handle compressed
4022         debug sections.
4023         * object.cc: Include compressed_output.h.
4024         (Sized_relobj::Sized_relobj): Initialize new data members.
4025         (build_compressed_section_map): New function.
4026         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4027         * object.h (Object::section_is_compressed): New method.
4028         (Object::do_section_is_compressed): New method.
4029         (Sized_relobj::Compressed_section_map): New type.
4030         (Sized_relobj::do_section_is_compressed): New method.
4031         (Sized_relobj::compressed_sections_): New data member.
4032         * output.cc (Output_section::add_input_section): Handle compressed
4033         debug sections.
4034         * reloc.cc: Include compressed_output.h.
4035         (Sized_relobj::write_sections): Handle compressed debug sections.
4036
4037 2010-07-08  Cary Coutant  <ccoutant@google.com>
4038
4039         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4040         weak when resolving to a dynamic def.
4041         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4042         for weak undef/dynamic def cases. Adjust callers.
4043         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4044         undef_binding_weak_.
4045         (Symbol_table::sized_write_globals): Adjust symbol binding.
4046         (Symbol_table::sized_write_symbol): Add binding parameter.
4047         * symtab.h (Symbol::set_undef_binding): New method.
4048         (Symbol::is_undef_binding_weak): New method.
4049         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4050         (Symbol_table::should_override): Add new parameter.
4051         (Symbol_table::sized_write_symbol): Add new parameter.
4052
4053         * testsuite/weak_undef_file1.cc: Add new test case.
4054         * testsuite/weak_undef_file2.cc: Fix header comment.
4055         * testsuite/weak_undef_test.cc: Add new test case.
4056
4057 2010-06-29  Doug Kwan  <dougkwan@google.com>
4058
4059         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4060         Initialize USE_SYMBOL_.
4061         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4062         definition.
4063         (Arm_reloc_property::uses_symbol_): New data member declaration.
4064         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4065         uses symbol value and symbol is undefined but not weakly undefined.
4066
4067 2010-06-28  Rafael Espindola  <espindola@google.com>
4068
4069         * plugin.cc (Plugin::load): Use dlerror.
4070
4071 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4072
4073         * symtab.cc (detect_odr_violations): When reporting an ODR
4074         violation, report an object where the symbol is defined.
4075
4076 2010-06-25  Doug Kwan  <dougkwan@google.com>
4077
4078         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4079         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4080         definition.
4081         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4082         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4083         target hook to detect function points.
4084         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4085         * icf.h (Icf::check_section_for_function_pointers): Change type of
4086         parameter SECTION_NAME to const reference to std::string.  Use
4087         target hook to determine if section may have unsafe pointers.
4088         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4089         method definition.
4090
4091 2010-06-21  Rafael Espindola  <espindola@google.com>
4092
4093         * fileread.cc (Input_file::find_fie): New
4094         (Input_file::open): Use Input_file::find_fie.
4095         * fileread.h (Input_file::find_fie): New
4096         * plugin.cc (set_extra_library_path): New.
4097         (Plugin::load): Add set_extra_library_path to the transfer vector.
4098         (Plugin_manager::set_extra_library_path): New.
4099         (Plugin_manager::add_input_file): Use the extra search path if set.
4100         (set_extra_library_path(): New.
4101         * plugin.h (Plugin_manager): Add set_extra_library_path and
4102         extra_search_path_.
4103
4104 2010-06-19  Cary Coutant  <ccoutant@google.com>
4105
4106         * layout.cc (gdb_sections): Add .debug_types.
4107         (lines_only_debug_sections): Likewise.
4108
4109 2010-06-18  Rafael Espindola  <espindola@google.com>
4110
4111         * plugin.cc (add_input_file,add_input_library)
4112         (Plugin_manager::add_input_file): Make filename arguments const.
4113         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4114         const.
4115
4116 2010-06-16  Doug Kwan  <dougkwan@google.com>
4117
4118         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4119         .ARM.attributes section if we have not merged any input
4120         attributes sections.
4121
4122 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4123
4124         * arm.cc: Allow combining objects with no EABI version
4125         information.
4126
4127 2010-06-15  Rafael Espindola  <espindola@google.com>
4128
4129         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4130
4131 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4132
4133         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4134         (struct iovec): Correct !HAVE_READV definition.
4135
4136 2010-06-10  Cary Coutant  <ccoutant@google.com>
4137
4138         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4139         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4140         reloc sections.
4141         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4142
4143         PR 11683
4144         * symtab.h (Symbol::is_placeholder): New member function.
4145         * target-reloc.h (relocate_section): Check for placeholder symbols.
4146
4147         * testsuite/Makefile.am (plugin_test_8): New test.
4148         (plugin_test_9): New test.
4149         * testsuite/Makefile.in: Regenerate.
4150
4151 2010-06-09  Nick Clifton  <nickc@redhat.com>
4152
4153         * yyscript.y (input_list_element): Allow strings prefixed with
4154         the '-' character.  Treat these as libraries.
4155         * script.cc (script_add_library): New function.  Adds a library
4156         specified by "-l<name>" found in an input script.
4157         * script-c.h: Add prototype for script_add_library.
4158
4159 2010-06-07  Doug Kwan  <dougkwan@google.com>
4160
4161         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4162         Restrict stub-group size to be within long conditional branch
4163         range when working around cortex-A8 erratum.
4164
4165 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4166
4167         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4168         #ifdef typo.
4169
4170 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4171
4172         PR gold/11658
4173         * output.cc
4174         (Output_section::Input_section_sort_entry::compare_section_ordering):
4175         Change to return non-zero correctly.
4176         (Output_section::Input_section_sort_section_order_index_compare
4177         ::operator()): Change to fix ambiguity in comparisons.
4178
4179 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4180
4181         * gold.h (is_wildcard_string): New function.
4182         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4183         (Layout::layout_eh_frame): Ditto.
4184         (Layout::find_section_order_index): New method.
4185         (Layout::read_layout_from_file): New method.
4186         * layout.h (Layout::find_section_order_index): New method.
4187         (Layout::read_layout_from_file): New method.
4188         (Layout::input_section_position_): New private member.
4189         (Layout::input_section_glob_): New private member.
4190         * main.cc (main): Call read_layout_from_file here.
4191         * options.h (--section-ordering-file): New option.
4192         * output.cc (Output_section::input_section_order_specified_): New
4193         member.
4194         (Output_section::Output_section): Initialize new member.
4195         (Output_section::add_input_section): Add new parameter.
4196         Keep input sections when --section-ordering-file is used.
4197         (Output_section::set_final_data_size): Sort input sections when
4198         section ordering file is specified.
4199         (Output_section::Input_section_sort_entry): Add new parameter.
4200         Check sorting type.
4201         (Output_section::Input_section_sort_entry::compare_section_ordering):
4202         New method.
4203         (Output_section::Input_section_sort_compare::operator()): Change to
4204         consider section_order_index.
4205         (Output_section::Input_section_sort_init_fini_compare::operator()):
4206         Change to consider section_order_index.
4207         (Output_section::Input_section_sort_section_order_index_compare
4208         ::operator()): New method.
4209         (Output_section::sort_attached_input_sections): Change to sort
4210         according to section order when specified.
4211         (Output_section::add_input_section<32, true>): Add new parameter.
4212         (Output_section::add_input_section<64, true>): Add new parameter.
4213         (Output_section::add_input_section<32, false>): Add new parameter.
4214         (Output_section::add_input_section<64, false>): Add new parameter.
4215         * output.h (Output_section::add_input_section): Add new parameter.
4216         (Output_section::input_section_order_specified): New
4217         method.
4218         (Output_section::set_input_section_order_specified): New method.
4219         (Input_section::Input_section): Initialize section_order_index_.
4220         (Input_section::section_order_index): New method.
4221         (Input_section::set_section_order_index): New method.
4222         (Input_section::section_order_index_): New member.
4223         (Input_section::Input_section_sort_section_order_index_compare): New
4224         struct.
4225         (Output_section::input_section_order_specified_): New member.
4226         * script-sections.cc (is_wildcard_string): Delete and move modified
4227         method to gold.h.
4228         (Output_section_element_input::Output_section_element_input): Modify
4229         call to is_wildcard_string.
4230         (Output_section_element_input::Input_section_pattern
4231         ::Input_section_pattern): Ditto.
4232         (Output_section_element_input::Output_section_element_input): Ditto.
4233         * testsuite/Makefile.am (final_layout): New test case.
4234         * testsuite/Makefile.in: Regenerate.
4235         * testsuite/final_layout.cc: New file.
4236         * testsuite/final_layout.sh: New file.
4237
4238 2010-06-01  Rafael Espindola  <espindola@google.com>
4239
4240         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4241
4242 2010-06-01  Rafael Espindola  <espindola@google.com>
4243
4244         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4245         visibility of symbols.
4246
4247 2010-05-27  Doug Kwan  <dougkwan@google.com>
4248
4249         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4250         from start of output section instead of address for a local symbol
4251         in a merged or relaxed section when doing a relocatable link.
4252
4253 2010-05-26  Rafael Espindola  <espindola@google.com>
4254
4255        PR 11604
4256         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4257         adding sections the garbage collector removed.
4258         * gold/testsuite/Makefile.am: Add test.
4259         * gold/testsuite/Makefile.in: Regenerate.
4260         * gold/testsuite/plugin_test_7.sh: New.
4261         * gold/testsuite/plugin_test_7_1.c: New.
4262         * gold/testsuite/plugin_test_7_2.c: New.
4263
4264 2010-05-26  Rafael Espindola  <espindola@google.com>
4265
4266         * script-sections.cc (Output_section_definition::set_section_addresses):
4267         Check for --section-start.
4268
4269 2010-05-26  Doug Kwan  <dougkwan@google.com>
4270
4271         * arm.cc (Arm_scan_relocatable_relocs): New class.
4272         (Target_arm::relocate_special_relocatable): New method.
4273         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4274         (Arm_relocate_functions::thumb_branch_common): Same.
4275         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4276         instead of Default_scan_relocatable_relocs.
4277         * target-reloc.h (relocate_for_relocatable): Let target handle
4278         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4279         * target.h (Sized_target::relocate_special_relocatable): New method.
4280
4281 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4282
4283         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4284
4285 2010-05-23  Doug Kwan  <dougkwan@google.com>
4286
4287         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4288         instead of a cast.
4289         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4290         with a direct branch, not a conditional branch, to a stub.
4291         * merge.cc (Output_merge_base::record_input_section): New method
4292         defintion.
4293         (Output_merge_data::do_add_input_section): Record input section if
4294         keeps-input-sections flag is set.
4295         (Output_merge_string::do_add_input_section): Ditto.
4296         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4297         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4298         INPUT_SECTIONS_.
4299         (Output_merge_base::keeps_input_sections,
4300         Output_merge_base::set_keeps_input_sections,
4301         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4302         method definitions.
4303         (Output_merge_base::Input_sections): New type declaration.
4304         (Output_merge_base::input_sections_begin,
4305         Output_merge_base::input_sections_end,
4306         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4307         (Output_merge_base::bool keeps_input_sections_,
4308         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4309         Output_merge_base::input_sections_): New data members.
4310         (Output_merge_data::do_set_keeps_input_sections): New method
4311         defintion.
4312         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4313         * output.cc (Output_section::Input_section::relobj): Move method
4314         defintion from class declaration to here and handle merge sections.
4315         (Output_section::Input_section::shndx): Ditto.
4316         (Output_section::Output_section): Remove initializations of removed
4317         data members and initialize new data member LOOKUP_MAPS_.
4318         (Output_section::add_input_section): Set keeps-input-sections flag
4319         for a newly created merge output section as appropriate.  Adjust code
4320         to use Output_section_lookup_maps class.
4321         (Output_section::add_relaxed_input_section): Adjst code for lookup
4322         maps code refactoring.
4323         (Output_section::add_merge_input_section): Add a new parameter
4324         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4325         class.  If adding input section to a newly created merge output
4326         section fails, remove the new merge section.
4327         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4328         Adjust code for use of the Output_section_lookup_maps class.
4329         (Output_section::find_merge_section): Ditto.
4330         (Output_section::build_lookup_maps): New method defintion.
4331         (Output_section::find_relaxed_input_section): Adjust code to use
4332         Output_section_lookup_maps class.
4333         (Output_section::get_input_sections): Export merge sections.  Adjust
4334         code to use Output_section_lookup_maps class.
4335         (Output_section:::add_script_input_section): Adjust code to use
4336         Output_section_lookup_maps class.  Update lookup maps for merge
4337         sections also.
4338         (Output_section::discard_states): Use Output_section_lookup_maps.
4339         (Output_section::restore_states): Same.
4340         * output.h (Merge_section_properties): Move class defintion out of
4341         Output_section.
4342         (Output_section_lookup_maps): New class.
4343         (Output_section::Input_section::is_merge_section): New method
4344         defintion.
4345         (Output_section::Input_section::relobj): Move defintion out of class
4346         defintion.  Declare method only.
4347         (Output_section::Input_section::shndx): Ditto.
4348         (Output_section::Input_section::output_merge_base): New method defintion.
4349         (Output_section::Input_section::u2_.pomb): New union field.
4350         (Output_section::Merge_section_by_properties_map,
4351         Output_section::Output_section_data_by_input_section_map,
4352         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4353         Remove types.
4354         (Output_section::add_merge_input_section): Add new parameter
4355         KEEPS_INPUT_SECTIONS.
4356         (Output_section::build_lookup_maps): New method declaration.
4357         (Output_section::merge_section_map_,
4358         Output_section::merge_section_by_properties_map_,
4359         Output_section::relaxed_input_section_map_,
4360         Output_section::is_relaxed_input_section_map_valid_): Remove data
4361         members.
4362         (Output_section::lookup_maps_): New data member.
4363
4364 2010-05-21  Doug Kwan  <dougkwan@google.com>
4365
4366         PR gold/11619
4367         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4368         avoid a compilation error.
4369
4370 2010-05-19  Rafael Espindola  <espindola@google.com>
4371
4372         * script-sections.cc (Output_section_definition::allocate_to_segment):
4373         Update the phdrs_list even when the output section is NULL.
4374         * testsuite/Makefile.am: Add test.
4375         * testsuite/Makefile.in: Regenerate.
4376         * testsuite/script_test_9.cc: New.
4377         * testsuite/script_test_9.sh: New.
4378         * testsuite/script_test_9.t: New.
4379
4380 2010-05-19  Doug Kwan  <dougkwan@google.com>
4381
4382         * arm.cc (Arm_input_section::original_size): New method.
4383         (Arm_input_section::do_addralign): Add a cast.
4384         (Arm_input_section::do_output_offset): Remove static cast.
4385         (Arm_input_section::original_addralign,
4386          Arm_input_section::original_size_): Change type to uint32_t.
4387         (Arm_input_section::init): Add safe casts for section alignment
4388         and size.
4389         (Arm_input_section::set_final_data_size): Do not set address and
4390         offset of stub table.
4391         (Arm_output_section::fix_exidx_coverage): Change use of of
4392         Output_section::Simple_input_section to that of
4393         Output_section::Input_section.
4394         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4395         except for the first pass.
4396         * output.cc (Output_section::get_input_sections): Change type of
4397         input_sections to std::list<Input_section>.
4398         (Output_section::add_script_input_section): Rename from
4399         Output_section::add_simple_input_section.  Change type of SIS
4400         parameter from Simple_input_section to Input_section.
4401         * output.h (Output_section::Simple_input_section): Remove class.
4402         (Output_section::Input_section): Change class visibility to public.
4403         (Output_section::Input_section::addralign): Use stored alignments
4404         for special input sections if set.
4405         (Output_section::Input_section::set_addralign): New method.
4406         (Output_section::get_input_sections): Change parameter type from
4407         list of Simple_input_section to list of Input_section.
4408         (Output_section::add_script_input_section): Rename from
4409         Output_section::add_simple_input_section. Change first parameter's
4410         type from Simple_input_section to Input_section and remove the
4411         second and third parameters.
4412         * script-sections.cc (Input_section::Input_section_list): Change
4413         type to list of Output_section::Input_section/
4414         (Input_section_info::Input_section_info): Change parameter type of
4415         INPUT_SECTION to Output_section::Input_section.
4416         (Input_section_info::input_section): Change return type.
4417         (Input_section_info::input_section_): Change type to
4418         Output_section::Input_section.
4419         (Output_section_element_input::set_section_addresses): Adjust code
4420         to use Output_section::Input_section instead of
4421         Output_section::Simple_input_section.  Adjust code for renaming
4422         of Output_section::add_simple_input_section.
4423         (Orphan_output_section::set_section_addresses): Ditto.
4424
4425 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4426
4427         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4428         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4429
4430 2010-05-18  Rafael Espindola  <espindola@google.com>
4431
4432         * options.cc (General_options::finalize): Handle -nostdlib.
4433         * options.h (nostdlib): New option.
4434         * script.cc (script_add_search_dir): Handle -nostdlib.
4435
4436 2010-05-12  Doug Kwan  <dougkwan@google.com>
4437
4438         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4439         attributes section only if there no attributes section after merging.
4440         (Target_arm::merge_object_attributes): Move value of
4441         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4442         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4443         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4444         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4445         and arm_attr_merge_7.stdout.
4446         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4447         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4448         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4449         arm_attr_merge_7b.o): New rules.
4450         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4451         arm_attr_merge_7
4452         * testsuite/Makefile.in: Regenerate.
4453         * testsuite/arm_attr_merge.sh: New file.
4454         * testsuite/arm_attr_merge_[67][ab].s: Same.
4455
4456 2010-05-05  Nick Clifton  <nickc@redhat.com>
4457
4458         * po/es.po: Updated Spanish translation.
4459
4460 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4461
4462         * Makefile.am (install-exec-local): Properly install gold as
4463         default cross linker.
4464         * Makefile.in: Regenerated.
4465
4466 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4467             Nick Clifton  <nickc@redhat.com>
4468
4469         * configure.ac (install_as_default): Define and set to false
4470         unless --enable-gold or --enable-gold=both/gold has been
4471         specified.
4472         * configure: Regenerate.
4473
4474         * Makefile.am (install-exec-local): Install the executable as
4475         'ld.gold'.  If install_as_default is true then also install it as
4476         'ld'.
4477         * Makefile.in: Regenerated.
4478
4479 2010-04-24  Ian Lance Taylor  <iant@google.com>
4480
4481         * layout.cc (Layout::layout_reloc): In relocatable link don't
4482         combine reloc sections for grouped sections.
4483
4484 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4485
4486         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4487         sections that are not ordinary to icf.
4488         * icf.cc (get_section_contents): Handle relocation pointing to section
4489         with no object or shndx information.
4490         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4491         * testsuite/Makefile.in: Regenerate.
4492         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4493         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4494
4495 2010-04-22  Ian Lance Taylor  <iant@google.com>
4496
4497         * expression.cc (Expression::Expression_eval_info): Add
4498         result_alignment_pointer field.
4499         (Expression::eval_with_dot): Add result_alignment_pointer
4500         parameter.  Change all callers.
4501         (Expression::eval_maybe_dot): Likewise.
4502         (class Binary_expression): Add alignment_pointer parameter to
4503         left_value and right_value.  Change all callers.
4504         (BINARY_EXPRESSION): Set result alignment.
4505         (class Trinary_expression): Add alignment_pointer parameter to
4506         arg2_value and arg3_value.  Change all callers.
4507         (Trinary_cond::value): Set result alignment.
4508         (Max_expression::value, Min_expression::value): Likewise.
4509         (Align_expression::value): Likewise.
4510         * script-sections.cc (class Sections_element): Add dot_alignment
4511         parameter to set_section_addresses virtual function.  Update
4512         instantiations.
4513         (class Output_section_element): Likewise.
4514         (Script_sections::create_segments): Add dot_alignment parameter.
4515         Change all callers.
4516         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4517         (Script_sections::set_phdrs_clause_addresses): Likewise.
4518         * script-sections.h: Update declarations.
4519         * script.h: Update declarations.
4520         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4521         min_p_align.
4522         * testsuite/script_test_3.t: Set large alignment.
4523         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4524         segment has expected alignment.
4525
4526 2010-04-22  Nick Clifton  <nickc@redhat.com>
4527
4528         * po/gold.pot: Updated by the Translation project.
4529         * po/vi.po: Updated Vietnamese translation.
4530
4531 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4532
4533         * testsuite/Makefile.am (check_PROGRAMS): Add
4534         icf_virtual_function_folding_test.
4535         * testsuite/Makefile.in: Regenerated.
4536
4537 2010-04-15  Andrew Haley  <aph@redhat.com>
4538
4539         * options.h (merge_exidx_entries): New option.
4540         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4541         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4542         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4543         (Target_arm::merge_exidx_entries): New function.
4544         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4545         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4546         to Arm_exidx_fixup constructor.
4547         Add new arg, merge_exidx_entries.
4548         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4549         Arm_output_section::fix_exidx_coverage.
4550
4551 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4552
4553         * icf.cc (get_section_contents): Check for preemptible functions.
4554         Ignore addend when appropriate.
4555         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4556         section folded.
4557         (add_from_relobj): Check for section folded.
4558         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4559         * symtab.h (should_add_dynsym_entry): Add new parameter.
4560         * target-reloc.h (scan_relocs): Check for section folded.
4561         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4562         Check reloc types for function pointers in shared objects.
4563         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4564         case.
4565         (icf_preemptible_functions_test): New test case.
4566         (icf_string_merge_test): New test case.
4567         * testsuite.Makefile.in: Regenerate.
4568         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4569         bar_glob.  Refactor code.
4570         * testsuite/icf_preemptible_functions_test.cc: New file.
4571         * testsuite/icf_preemptible_functions_test.sh: New file.
4572         * testsuite/icf_string_merge_test.cc: New file.
4573         * testsuite/icf_string_merge_test.sh: New file.
4574         * testsuite/icf_virtual_function_folding_test.cc: New file.
4575         * testsuite/icf_virtual_function_folding_test.sh: New file.
4576
4577 2010-04-14  Doug Kwan  <dougkwan@google.com>
4578
4579         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4580         for local symbol recounting if we remove a section due to ICF.
4581         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4582         there are no regular objects in input.
4583
4584 2010-04-13  Doug Kwan  <dougkwan@google.com>
4585
4586         * arm.cc (Arm_input_section::set_final_data_size): Compute
4587         accurate final data size instead of using current data size.
4588
4589 2010-04-09  Doug Kwan  <dougkwan@google.com>
4590
4591         * layout.cc (Layout::choose_output_section): Handle script section
4592         types.
4593         (Layout::make_output_section_for_script): Add section type parameter.
4594         Handle script section types.
4595         * layout.h (Layout::make_output_section_for_script): Add section
4596         type parameter.
4597         * output.cc (Output_section::Output_section): Initialize data member
4598         is_noload_.
4599         (Output_section::do_reset_address_and_file_offset): Do not set address
4600         to 0 if section is a NOLOAD section.
4601         * output.h (Output_section::is_noload): New method.
4602         (Output_section::set_is_noload): Ditto.
4603         (Output_section::is_noload_): New data member.
4604         * script-c.h (Script_section_type): New enum type.
4605         (struct Parser_output_section_header): Add new file section_type.
4606         * script-sections.cc (Sections_element::output_section_name): Add
4607         parameter for returning script section type.
4608         (Output_section_definition::output_section_name): Ditto.
4609         (Output_section_definition::section_type)P; New method.
4610         (Output_section_definiton::script_section_type_name): Ditto.
4611         (Output_section_definition::script_section_type_): New data member.
4612         (Output_section_definition::Output_section_definition): Initialize
4613         data member Output_section_definition::script_section_type_.
4614         (Output_section_definition::create_sections): Pass script section type
4615         to Layout::make_output_section_for_script.
4616         (Output_section_definition::output_section_name): Return script
4617         section type to caller.
4618         (Output_section_definition::set_section_address): Do not advance
4619         dot value and load address if section type is NOLOAD.  Set address
4620         of NOLOAD sections regardless of section flags.
4621         (Output_section_definition::print): Print section type if it is
4622         not SCRIPT_SECTION_TYPE_NONE.
4623         (Output_section_definition::section_type): New method.
4624         (Output_section_definition::script_section_type_name): Ditto.
4625         (Script_sections::output_section_name): Add new parameter
4626         PSECTION_TYPE for returning script section type.  Pass it to
4627         section elements.  Handle discard sections.
4628         (Sort_output_sections::operator()): Handle NOLOAD sections.
4629         * script-sections.h (Script_sections::Section_type): New enum type.
4630         (Script_sections::output_section_name): Add a new parameter for
4631         returning script section type.
4632         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4633         INFO and NOLOAD.
4634         * yyscript.y (union): Add new field SECTION_TYPE.
4635         (COPY, DSECT, INFO, NOLOAD): New tokens.
4636         (opt_address_and_section_type): Change type to output_section_header.
4637         (section_type): New non-terminal
4638         (section_header): Handle section type.
4639         (opt_address_and_section_type): Return section type value.
4640
4641 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4642
4643         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4644         * testsuite/plugin_common_test_2.c (foo): Likewise.
4645
4646 2010-04-08  Doug Kwan  <dougkwan@google.com>
4647
4648         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4649         Output_merge_data.
4650         * output.cc (Output_section::add_merge_input_section): Simplify
4651         code and return status of Output_merge_base::add_input_section.
4652         Update merge section map only if Output_merge_base::add_input_section
4653         returns true.
4654
4655 2010-04-07  Doug Kwan  <dougkwan@google.com>
4656
4657         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4658         if section is marked as containing instructions but has no mapping
4659         symbols.
4660         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4661         correct section index.
4662         (Arm_relobj::find_linked_text_section): Ditto.
4663
4664 2010-04-07  Cary Coutant  <ccoutant@google.com>
4665
4666         * archive.cc (include_member): Destroy Read_symbols_data object before
4667         releasing file.
4668         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4669         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4670         (Read_symbols_data::~Read_symbols_data) New destructor.
4671         (Section_relocs::Section_relocs) New constructor.
4672         (Section_relocs::~Section_relocs) New destructor.
4673         (Read_relocs_data::Read_relocs_data) New constructor.
4674         (Read_relocs_data::~Read_relocs_data) New destructor.
4675         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4676         pointers to NULL after deleting.
4677
4678 2010-04-07  Doug Kwan  <dougkwan@google.com>
4679
4680         * arm.cc: Replace "endianity" with "endianness" in comments.
4681         (Arm_exidx_cantunwind): Ditto.
4682         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4683         (Arm_relobj::merge_flags_and_attributes): New method.
4684         (Arm_relobj::merge_flags_and_attributes_): New data member.
4685         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4686         (Arm_relobj::scan_sections_for_stubs): Ditto.
4687         (Arm_relobj::do_read_symbols): Check to see if we really want to
4688         merge processor-specific flags and attributes.  Exit early if
4689         an object is empty except for section names and the undefined symbol.
4690         (Target_arm::do_finalize_sections): Move check for ELF format to
4691         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4692         attributes from a regular object only when we have determined that
4693         it is aapropriate.  Do not create an .ARM.attributes section in
4694         output if there is no regular input object.
4695         (Target_arm::merge_processor_specific_flags): Check
4696         --warn-mismatch before printing any error.
4697         (Target_arm::merge_object_attributes): Ditto.
4698         * gold.cc (queue_middle_tasks): Handle the case in which there is
4699         no regular object in input.
4700         * options.cc (General_options::parse_EB): New method.
4701         (General_options::parse_EL): Same.
4702         (General_options::General_options): Initialize endianness_.
4703         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4704         New options.
4705         (General_options::Endianness): New enum.
4706         (General_options::endianness): New method.
4707         (General_options::endianness_): New data member.
4708         * parameters.cc (Parameters::set_options): Check target endianness.
4709         (Parameters::set_target_once): Ditto.
4710         (Parameters::check_target_endianness): New method.
4711         (parameters_force_valid_target): If either -EL or -EB is specified,
4712         use it to define endianness of default target.
4713         * parameters.h (Parameters::check_target_endianness): New method
4714         declaration.
4715         * target.h (class Target): Change "endianity" to "endianness"
4716         in comments.
4717
4718 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4719
4720         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4721         * configure: Regenerate.
4722         * Makefile.in: Regenerate.
4723         * testsuite/Makefile.in: Regenerate.
4724
4725 2010-04-06  Cary Coutant  <ccoutant@google.com>
4726
4727         gcc PR lto/42757
4728         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4729         prevailing definitions of common symbols.
4730         * testsuite/plugin_test_6.sh: New test case.
4731         * testsuite/plugin_common_test_1.c: New test case.
4732         * testsuite/plugin_common_test_2.c: New test case.
4733         * testsuite/Makefile.am (plugin_test_6): New test case.
4734         * testsuite/Makefile.in: Regenerate.
4735
4736 2010-04-06  Nick Clifton  <nickc@redhat.com>
4737
4738         * po/vi.po: New Vietnamese translation.
4739
4740 2010-03-30  Doug Kwan  <dougkwan@google.com>
4741
4742         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4743
4744 2010-03-25  Doug Kwan  <dougkwan@google.com>
4745
4746         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4747         to avoid a conversion warning on a 32-bit host.
4748
4749 2010-03-24  Ian Lance Taylor  <iant@google.com>
4750
4751         * testsuite/script_test_3.t: Add a TLS segment.
4752         * testsuite/Makefile.am (check_PROGRAMS): Add
4753         tls_phdrs_script_test.
4754         (tls_phdrs_script_test_SOURCES): Define.
4755         (tls_phdrs_script_test_DEPENDENCIES): Define.
4756         (tls_phdrs_script_test_LDFLAGS): Define.
4757         (tls_phdrs_script_test_LDADD): Define.
4758         * testsuite/Makefile.in: Rebuild.
4759
4760 2010-03-23  Cary Coutant  <ccoutant@google.com>
4761
4762         * fileread.cc (find_or_make_view): Fix comment.
4763
4764 2010-03-23  Ian Lance Taylor  <iant@google.com>
4765
4766         * script-sections.cc (class Orphan_section_placement): Define
4767         PLACE_TLS and PLACE_TLS_BSS.
4768         (Orphan_section_placement::Orphan_section_placement): Initialize
4769         new places.
4770         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4771         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4772         (tls_script_test_SOURCES): Define.
4773         (tls_script_test_DEPENDENCIES): Define.
4774         (tls_script_test_LDFLAGS): Define.
4775         (tls_script_test_LDADD): Define.
4776         * testsuite/Makefile.in: Rebuild.
4777
4778 2010-03-22  Doug Kwan  <dougkwan@google.com>
4779
4780         * arm.cc (Arm_relocate_functions::abs8,
4781         Arm_relocate_functions::abs16): Use correct check for overflow
4782         specified in the ARM ELF specs.
4783         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4784         target of a BLX instruction specially.
4785         (Reloc_stub::stub_type_for_reloc): Ditto.
4786         (Relocate::relocate): Use symbolic names instead of numeric relocation
4787         codes to report error.
4788         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4789         workaround.
4790         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4791         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4792         thumb2_blx_out_of_range.stdout
4793         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4794         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4795         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4796         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4797         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4798         thumb2_blx_in_range, thumb2_blx_in_range.o,
4799         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4800         thumb2_blx_out_of_range.o): New rules.
4801         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4802         thumb2_blx_in_range and thumb2_blx_out_of_range.
4803         * testsuite/Makefile.in: Regenerate.
4804         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4805         * testsuite/thumb_blx_in_range.s: New file.
4806         * testsuite/thumb_blx_out_of_range.s: New file.
4807
4808 2010-03-22  Rafael Espindola  <espindola@google.com>
4809
4810         * archive.cc (Should_include): Move to archive.h.
4811         (should_include_member): Make it a member of Archive.
4812         (Lib_group): New.
4813         (Add_lib_group_symbols): New.
4814         * archive.h: Include options.h.
4815         (Archive_member): Moved from Archive.
4816         (Should_include): Moved from archive.cc.
4817         (Lib_group): New.
4818         (Add_lib_group_symbols): New.
4819         * dynobj.cc (do_should_include_member): New.
4820         * dynobj.h (do_should_include_member): New.
4821         * gold.cc (queue_initial_tasks): Update call to queue.
4822         * main.cc (main): Print lib group stats.
4823         * object.cc (do_should_include_member): New.
4824         * object.h: Include archive.h.
4825         (Object::should_include_member): New.
4826         (Object::do_should_include_member): New.
4827         (Sized_relobj::do_should_include_member): New.
4828         * options.cc (General_options::parse_start_lib): New.
4829         (General_options::parse_end_lib): New.
4830         (Input_arguments::add_file): Handle lib groups.
4831         (Input_arguments::start_group): Check we are not in a lib.
4832         (Input_arguments::start_lib): New.
4833         (Input_arguments::end_lib): New.
4834         * options.h (General_options): Add start_lib and end_lib.
4835         (Input_argument::lib_): New.
4836         (Input_argument::lib): New.
4837         (Input_argument::is_lib): New.
4838         (Input_file_lib): New.
4839         (Input_arguments::in_lib_): New.
4840         (Input_arguments::in_lib): New.
4841         (Input_arguments::start_lib): New.
4842         (Input_arguments::end_lib_): New.
4843         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4844         in unused members as preempted.
4845         (Sized_pluginobj::do_should_include_member): New.
4846         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4847         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4848         return the blocker.
4849         (Read_symbols::do_whole_lib_group): New.
4850         (Read_symbols::do_lib_group): New.
4851         (Read_symbols::do_read_symbols): Handle lib groups.
4852         (Read_symbols::get_name): Handle lib groups.
4853         * readsyms.h (Read_symbols): Add an archive member pointer.
4854         (Read_symbols::do_whole_lib_group): New.
4855         (Read_symbols::do_lib_group): New.
4856         (Read_symbols::member_): New.
4857         * script.cc (read_input_script): Update call to queue_soon.
4858
4859 2010-03-19  Doug Kwan  <dougkwan@google.com>
4860
4861         * arm.cc (Stub_table::Stub_table): Initialize new data members
4862         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4863         (Stub_table::add_reloc_stub): Assign stub offset and update
4864         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4865         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4866         New data members.
4867         (Stub_table::update_data_size_and_addralign): Use
4868         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4869         instead of going over all reloc stubs.
4870         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4871         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4872         Stringpool_template::offset_ to size of Stringpool_char.
4873         (Stringpool_template::new_key_offset): Remove code to initialize
4874         Stringpool_template::offset_.
4875         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4876         Stringpool_template::offset_ to zero.
4877
4878 2010-03-15  Doug Kwan  <dougkwan@google.com>
4879
4880         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4881         offset_.
4882         (Stringpool_template::new_key_offset): New method.
4883         (Stringpool_template::add_string): Assign offsets when adding new
4884         strings.
4885         (Stringpool_template::set_string_offsets): Do not set string offsets
4886         when not optimizing.
4887         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4888         member size_.
4889         (Chunked_vector::clear): Clear size_.
4890         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4891         (Chunked_vector::size): Return size_.
4892         (Chunked_vector::push_back): Use size_ to find insert position.
4893         (Chunked_vector::size_): New data member.
4894         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4895         (Stringpool_template::new_key_offset): New method declaration.
4896         (Stringpool_template::offset_): New data member.
4897
4898 2010-03-15   Rafael Espindola  <espindola@google.com>
4899
4900         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4901         Add_symbols' constructor.
4902         * readsyms.h (Add_symbols): Remove the input_group member.
4903
4904 2010-03-10  Ian Lance Taylor  <iant@google.com>
4905
4906         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4907         target to ask whether a reference to a symbol requires a stack
4908         split.
4909         * target.h (Target::is_call_to_non_split): New function.
4910         (Target::do_is_call_to_non_split): Declare virtual function.
4911         * target.cc: Include "symtab.h".
4912         (Target::do_is_call_to_non_split): New function.
4913         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4914
4915 2010-03-10  Cary Coutant  <ccoutant@google.com>
4916
4917         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4918         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4919         (File_read::open[2]): Add whole_file_view_ to list of views.
4920         (File_read::make_view): Remove test of whole_file_view_.
4921         (File_read::find_or_make_view): Create whole_file_view_ if
4922         necessary.
4923         (File_read::clear_views): Replace bool parameter with enum;
4924         adjust all callers.  Don't delete views with permanent data;
4925         do delete cached views and views from archives if
4926         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4927         if clearing the corresponding view.
4928         * fileread.h (File_read::Clear_views_mode): New enum.
4929         (File_read::View::is_permanent_view): New method.
4930         (File_read::clear_views): Replace bool parameter
4931         with enum; adjust all callers.
4932         * options.h (General_options): Change keep_files_mapped option;
4933         add map_whole_files.
4934         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4935         releasing the file.
4936         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4937         the file.
4938
4939 2010-03-10  David S. Miller  <davem@davemloft.net>
4940
4941         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4942
4943 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4944
4945         * icf.cc (get_section_contents): Add '@' marker after processing the
4946         merge reloc.
4947
4948 2010-03-08  Doug Kwan  <dougkwan@google.com>
4949
4950         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4951         due to a conversion warning.
4952         (Arm_relobj::update_output_local_symbol_count): Check for local
4953         symbol with unset output index.
4954
4955 2010-03-05  Ian Lance Taylor  <iant@google.com>
4956
4957         * options.h (class General_options): Add --spare-dynamic-tags.
4958         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4959         --spare-dynamic-tags.
4960
4961 2010-03-05  Ian Lance Taylor  <iant@google.com>
4962
4963         * incremental.cc: Include "libiberty.h".
4964
4965 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4966
4967         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4968         function, is_info_ member.
4969         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4970         (Versions::Versions): Update caller.
4971         (Versions::define_base_version): Likewise.
4972         (Versions::add_def): Likewise.
4973
4974 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4975
4976         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4977         (Scan::possible_function_pointer_reloc): New function.
4978         (Scan::local_reloc_may_be_function_pointer): Change to call
4979         possible_function_pointer_reloc.
4980         (Scan::global_reloc_may_be_function_pointer): Ditto.
4981         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4982         relocations in ".data.rel.ro._ZTV" section.
4983         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4984         * testsuite/icf_safe_so_test.cc: Ditto.
4985         * testsuite/icf_safe_test.cc: Ditto.
4986         * testsuite/icf_safe_test.sh: Ditto.
4987
4988 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4989             Ian Lance Taylor  <iant@google.com>
4990
4991         * target-reloc.h (relocate_section): Check the symbol table index
4992         for -1U before setting the local symbol index.
4993         (scan_relocatable_relocs): If copying the relocation, record that
4994         the local symbol is required.
4995         * object.h (Symbol_value::is_output_symtab_index_set): New
4996         function.
4997         (Symbol_value::may_be_discarded_from_output_symtab): New
4998         function.
4999         (Symbol_value::has_output_symtab_entry): New function.
5000         (Symbol_value::needs_output_symtab_entry): Remove.
5001         (Symbol_value::output_symtab_index): Make sure the symbol index is
5002         set.
5003         (Symbol_value::set_output_symtab_index): Make sure the symbol
5004         index is not set.  Make sure the new index is valid.
5005         (Symbol_value::set_must_have_output_symtab_entry): New function.
5006         (Symbol_value::has_output_dynsym_entry): New function.
5007         (Symbol_value::set_output_dynsym_index): Make sure the new index
5008         is valid.
5009         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5010         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5011         local symbol if permitted.
5012         (Sized_relobj::do_finalize_local_symbols): Call
5013         is_output_symtab_index_set rather than needs_output_symtab_entry.
5014         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5015         rather than needs_output_symtab_entry.  Call
5016         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5017         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5018         is_output_symtab_index_set rather than needs_output_symtab_entry.
5019         * testsuite/discard_locals_relocatable_test.c: New file.
5020         * testsuite/discard_locals_test.sh: Test -r.
5021         * testsuite/Makefile.am (check_DATA): Add
5022         discard_locals_relocatable_test1.syms,
5023         discard_local_relocatable_test2.syms.
5024         (MOSTLYCLEANFILES): Likewise.  Also add
5025         discard_locals_relocatable_test1.lout and
5026         discard_locals_relocatable_test2.out.
5027         (discard_locals_relocatable_test1.syms): New target.
5028         (discard_locals_relocatable_test.o): New target.
5029         (discard_locals_relocatable_test1.out): New target.
5030         (discard_locals_relocatable_test2.syms): New target.
5031         (discard_locals_relocatable_test2.out): New target.
5032         (various): Add missing ../ld-new dependencies.
5033         * testsuite/Makefile.in: Rebuild.
5034
5035 2010-03-03  Nick Clifton  <nickc@redhat.com>
5036
5037         * po/fi.po: New Finnish translation.
5038
5039 2010-03-01  Doug Kwan  <dougkwan@google.com>
5040
5041         * layout.cc (Layout::Layout): Force section types of .init_array*,
5042         .preinit_array* and .fini_array* sections.
5043         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5044         Fix check of return value of std::string::find.().
5045         (Output_section::Input_section_sort_compare::operator()): Remove
5046         comment about .init_array.
5047         (Output_section::Input_section_sort_init_fini_compare::operator()):
5048         New method.
5049         (Output_section::sort_attached_input_sections): Handle .init_array
5050         and .fini_array specially.
5051         * output.h (Output_section::Inut_section_sort_compare): Update
5052         comment.
5053         (Output_section::Input_section_sort_init_fini_compare): New struct.
5054
5055 2010-02-26  Doug Kwan  <dougkwan@google.com>
5056
5057         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5058         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5059         * testsuite/debug_msg.sh: Avoid matching source line number for
5060         use of global variable undef_int.
5061
5062 2010-02-26  Doug Kwan  <dougkwan@google.com>
5063
5064         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5065         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5066         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5067         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5068         * options.cc (General_options::General_options): Initialize member
5069         fix_v4bx_.
5070         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5071         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5072         and rm_no_fix_v4bx.stdout
5073         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5074         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5075         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5076         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5077         and arm_no_fix_v4bx.
5078         * Makefile.in: Regenerate.
5079         * testsuite/arm_fix_v4bx.s: New file.
5080         * testsuite/arm_fix_v4bx.sh: Ditto.
5081
5082 2010-02-24  Doug Kwan  <dougkwan@google.com>
5083
5084         * arm.cc (Target_arm::got_section): Make the .got section the first
5085         non RELRO section in the data segment.
5086         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5087         suffixes of section names.
5088
5089 2010-02-24  Doug Kwan  <dougkwan@google.com>
5090
5091         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5092         flags and attributes merging if an input file is a binary file.
5093         * fileread.cc (Input_file::open): Record format of original file.
5094         * fileread.h (Input_file::Format): New enum type.
5095         (Input_file::Input_file): Initialize data member format_.
5096         (Input_file::format): New method definition.
5097         (Input_file::format_):: New data member.
5098
5099 2010-02-24  Doug Kwan  <dougkwan@google.com>
5100
5101         * arm.cc (Arm_output_data_got): New class.
5102         (ARM_TCB_SIZE): New constant
5103         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5104         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5105         If user uses a script with a SECTIONS clause, issue only a warning
5106         for a misplaced EXIDX input section.  Otherwise, issue an error.
5107         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5108         garbage collection.
5109         (Target_arm::got_mode_index_entry): Handle static linking.
5110         (Target_arm::Scan::local): Ditto.
5111         (Target_arm::Scan::global): Ditto.
5112         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5113         all incorrectly implemented relocations.
5114         (Target_arm::fix_exidx_coverage): Pass layout to
5115         Arm_output_section::fix_exidx_coverage.
5116         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5117         from ".ARM.exidx." and ".ARM.extab.".
5118
5119 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5120
5121         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5122         section if it does not already exist.
5123         * attributes.cc (Attributes_section_data::Attributes_section_data):
5124         Don't crash if size is zero.
5125
5126 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5127             Ian Lance Taylor  <iant@google.com>
5128
5129         * gold.cc (queue_middle_tasks): If no input files were opened,
5130         exit.
5131         * workqueue.h (Task_function::Task_function): Assert that there is
5132         a blocker.
5133
5134 2010-02-22  Doug Kwan  <dougkwan@google.com>
5135
5136         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5137         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5138         types to avoid warnings due to different uint64_t implementations
5139         on different hosts.
5140
5141 2010-02-21  Doug Kwan  <dougkwan@google.com>
5142
5143         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5144         handling of the maximum backward branch offset.
5145         (Arm_relocate_functions::thumb_branch_common): Ditto.
5146         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5147         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5148         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5149         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5150         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5151         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5152         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5153         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5154         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5155         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5156         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5157         thumb2_bl_out_of_range.o): New rules.
5158         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5159         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5160         thumb2_bl_out_of_range
5161         * testsuite/Makefile.in: Regenerate.
5162         * testsuite/arm_bl_in_range.s: New file.
5163         * testsuite/arm_bl_out_of_range.s: Ditto.
5164         * testsuite/arm_branch_in_range.sh: Ditto.
5165         * testsuite/arm_branch_range.t: Ditto.
5166         * testsuite/thumb2_branch_range.t: Ditto.
5167         * testsuite/thumb_bl_in_range.s: Ditto.
5168         * testsuite/thumb_bl_out_of_range.s: Ditto.
5169         * testsuite/thumb_branch_range.t: Ditto.
5170
5171 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5172
5173         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5174         Add reloc offset information.
5175         * icf.cc (get_section_contents): Change iterators to point to the new
5176         vectors. Add reloc offset information to the contents.
5177         * icf.h (Icf::Sections_reachable_info): New typedef.
5178         (Icf::Sections_reachable_list): New typedef.
5179         (Icf::Offset_info): New typedef.
5180         (Icf::Reloc_info): New struct typedef.
5181         (Icf::Reloc_info_list): New typedef.
5182         (Icf::symbol_reloc_list): Delete method.
5183         (Icf::addend_reloc_list): Delete method.
5184         (Icf::section_reloc_list): Delete method.
5185         (Icf::reloc_info_list): New method.
5186         (Icf::reloc_info_list_): New member.
5187
5188 2010-02-19  Doug Kwan  <dougkwan@google.com>
5189
5190         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5191         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5192         * arm.cc (Arm_relocation_functions): New forward declaration.
5193         (Target_arm::Target_arm): Initialize new data members
5194         got_mod_index_offset_ and tls_base_symbol_defined_.
5195         (Target_arm::Relocate::relocate_tls): New method.
5196         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5197          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5198         New methods.
5199         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5200         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5201         (Target_arm::got_mod_index_offset_,
5202         Target_arm::tls_base_symbol_defined_): New data members.
5203         (Target_arm::Scan::local, Target::Scan::global,
5204         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5205         relocations.
5206
5207 2010-02-18  Doug Kwan  <dougkwan@google.com>
5208
5209         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5210         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5211         text section as a parameter becuase some broken tools may not set
5212         the link in section header.
5213         (Target_arm::has_got_section): New method.
5214         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5215         without any mapping symbol as data only.  Remove warning.
5216         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5217         link in its section header, try to discover the link by inspecting the
5218         REL31 relocation at the beginning of the section.
5219         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5220         in error message.
5221         (Target_arm::Scan::global): Treat any reference to the symbol
5222         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5223
5224 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5225
5226         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5227         (Scan::global_reloc_may_be_function_pointer): New function.
5228         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5229         (Scan::global_reloc_may_be_function_pointer): New function.
5230         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5231         (Scan::global_reloc_may_be_function_pointer): New function.
5232         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5233         (Scan::global_reloc_may_be_function_pointer): New function.
5234         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5235         (Scan::global_reloc_may_be_function_pointer): New function.
5236         (Scan::possible_function_pointer_reloc): New function.
5237         (Target_x86_64::can_check_for_function_pointers): New function.
5238         * gc.h (gc_process_relocs): Scan relocation types to determine if
5239         function pointers were taken for targets that support it.
5240         * icf.cc (Icf::find_identical_sections): Include functions for
5241         folding in safe ICF whose pointer is not taken.
5242         * icf.h (Secn_fptr_taken_set): New typedef.
5243         (fptr_section_id_): New member.
5244         (section_has_function_pointers): New function.
5245         (set_section_has_function_pointers): New function.
5246         (check_section_for_function_pointers): New function.
5247         * options.h: Fix comment for safe ICF option.
5248         * target.h (can_check_for_function_pointers): New function.
5249         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5250         Modify icf_safe_test for X86-64.
5251         * testsuite/Makefile.in: Regenerate.
5252         * testsuite/icf_safe_so_test.cc: New file.
5253         * testsuite/icf_safe_so_test.sh: New file.
5254         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5255         (main): Change to take pointer to function kept_func_3.
5256         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5257         folding is done correctly for X86-64.
5258
5259 2010-02-12  David S. Miller  <davem@davemloft.net>
5260
5261         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5262         is_symbolless parameter.
5263         (Output_reloc<SHT_REL>::is_symbolless): New.
5264         (Output_reloc<SHT_REL>::is_symbolless_): New.
5265         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5266         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5267         (Output_reloc<SHT_RELA>::is_symbolless): New.
5268         (Output_data_reloc::add_global): Handle is_symbolless.
5269         (Output_data_reloc::add_global_relative): Likewise.
5270         (Output_data_reloc::add_local): Likewise.
5271         (Output_data_reloc::add_local_relative): Likewise.
5272         (Output_data_reloc::add_symbolless_global_addend): New.
5273         (Output_data_reloc::add_symbolless_local_addend): New.
5274         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5275         is_symbolless.
5276         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5277         instead of ->is_relative_
5278         (Output_reloc::write): Likewise.
5279         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5280         (Output_reloc::write_rel): Simplify.
5281
5282         * sparc.cc (Target_sparc::Scan::local): Use
5283         ->add_symbolless_local_addend as needed.
5284         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5285         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5286         based upon relocation offset.
5287
5288 2010-02-11  Doug Kwan  <dougkwan@google.com>
5289
5290         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5291         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5292         beginning of function.
5293         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5294         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5295         parameter is_32bit in calls to should_apply_static_reloc.
5296         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5297         (check_DATA): Add arm_abs_global.stdout.
5298         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5299         arm_abs_global.stdout): New rules.
5300         (MOSTLLYCLEANFILES): Add arm_abs_global
5301         * Makefile.in: Regenerate.
5302         * testsuite/arm_abs_global.s: New file.
5303         * testsuite/arm_abs_global.sh: Ditto.
5304         * testsuite/arm_abs_lib.s: Ditto.
5305
5306 2010-02-11  Ian Lance Taylor  <iant@google.com>
5307
5308         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5309         Read_relocs task.
5310         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5311         Allocate_commons_task first.
5312         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5313         task, rather than symtab_lock_.
5314         (Gc_process_relocs::~Gc_process_relocs): New function.
5315         (Gc_process_relocs::is_runnable): Check this_blocker_.
5316         (Gc_process_relocs::locks): Use next_blocker_ rather than
5317         blocker_.
5318         (Scan_relocs::~Scan_relocs): New function.
5319         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5320         symtab_lock_.
5321         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5322         next_blocker_.
5323         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5324         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5325         constructor accordingly.
5326         (class Gc_process_relocs): Likewise.
5327         (class Scan_relocs): Likewise.
5328         * common.h (class Allocate_commons_task): Remove symtab_lock_
5329         field, and corresponding constructor parameter.
5330         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5331         symtab_lock_.
5332         (Allocate_commons_task::locks): Likewise.
5333
5334 2010-02-11  Ian Lance Taylor  <iant@google.com>
5335
5336         * gold-threads.h (class Once): Define.
5337         (class Initialize_lock): Rewrite as child of Once.
5338         * gold-threads.cc (class Once_initialize): Define.
5339         (once_pointer_control): New static variable.
5340         (once_pointer, once_arg): New static variables.
5341         (c_run_once): New static function.
5342         (Once::Once, Once::run_once, Once::internal_run): New functions.
5343         (class Initialize_lock_once): Remove.
5344         (initialize_lock_control): Remove.
5345         (initialize_lock_pointer): Remove.
5346         (initialize_lock_once): Remove.
5347         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5348         (Initialize_lock::initialize): Rewrite.
5349         (Initialize_lock::do_run_once): New function.
5350         * archive.cc (Archive::interpret_header): Only clear name if it is
5351         not already empty.
5352         * fileread.cc: Include "gold-threads.h"
5353         (file_counts_lock): New static variable.
5354         (file_counts_initialize_lock): Likewise.
5355         (File_read::release): Only increment counts when using --stats.
5356         Use a lock around the increment.
5357         * parameters.cc (class Set_parameters_target_once): Define.
5358         (set_parameters_target_once): New static variable.
5359         (Parameters::Parameters): Move here from parameters.h.
5360         (Parameters::set_target): Rewrite.
5361         (Parameters::set_target_once): New function.
5362         (Parameters::clear_target): Move here and rewrite.
5363         * parameters.h (class Parameters): Update declarations.  Add
5364         set_parameters_target_once_ field.
5365         (Parameters::Parameters): Move to parameters.cc.
5366         (Parameters::clear_target): Likewise.
5367         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5368         task.
5369         (Start_group::~Start_group): New function.
5370         (Start_group::is_runnable): New function.
5371         (Start_group::locks, Start_group::run): New functions.
5372         (Finish_group::run): Change saw_undefined to size_t.
5373         * readsyms.h (class Start_group): Define.
5374         (class Finish_group): Change saw_undefined_ field to size_t.
5375         (Finish_group::Finish_group): Remove saw_undefined and
5376         this_blocker parameters.  Change all callers.
5377         (Finish_group::set_saw_undefined): New function.
5378         (Finish_group::set_blocker): New function.
5379         * symtab.h (class Symbol_table): Change saw_undefined to return
5380         size_t.  Change saw_undefined_ field to size_t.
5381         * target-select.cc (Set_target_once::do_run_once): New function.
5382         (Target_selector::Target_selector): Initialize set_target_once_
5383         field.  Don't initialize lock_ and initialize_lock_ fields.
5384         (Target_selector::instantiate_target): Rewrite.
5385         (Target_selector::set_target): New function.
5386         * target-select.h (class Set_target_once): Define.
5387         (class Target_selector): Update declarations.  Make
5388         Set_target_once a friend.  Remove lock_ and initialize_lock_
5389         fields.  Add set_target_once_ field.
5390
5391 2010-02-10  Ian Lance Taylor  <iant@google.com>
5392
5393         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5394         queueing any tasks.
5395         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5396         (queue_middle_tasks): Add all blockers before queueing any tasks.
5397         (queue_final_tasks): Likewise.
5398         * token.h (Task_token::add_blockers): New function.
5399         * object.h (Input_objects::number_of_relobjs): New function.
5400
5401 2010-02-10  Ian Lance Taylor  <iant@google.com>
5402
5403         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5404         shared, not if not position independent.
5405         * x86_64.cc (Relocate::relocate_tls): Likewise.
5406         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5407         (tls_pie_pic_test): New target.
5408         * testsuite/Makefile.in: Rebuild.
5409
5410         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5411         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5412         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5413         * testsuite/Makefile.in: Rebuild.
5414
5415 2010-02-09  David S. Miller  <davem@davemloft.net>
5416
5417         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5418         R_SPARC_RELATIVE using ->add_local_relative().
5419         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5420
5421         * output.h (Output_data_dynamic::add_section_size): New method
5422         that takes two Output_data objects.
5423         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5424         entry param.  Handle it in initializers.
5425         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5426         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5427         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5428         arg.
5429         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5430         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5431         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5432         for dynrel_includes_plt.
5433         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5434         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5435         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5436         before .rela.plt
5437         (Target_sparc::do_finalize_sections): Update to pass true for
5438         dynrel_includes_plt.
5439         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5440         output before .rela.plt
5441         (Target_powerpc::do_finalize_sections): Update to pass true for
5442         dynrel_includes_plt when 32-bit.
5443
5444 2010-02-08  Doug Kwan  <dougkwan@google.com>
5445
5446         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5447         method.
5448         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5449         Arm_relobj::scan_section_for_cortex_a8_stubs,
5450         Arm_relobj::do_relocation_section): Instead of calling
5451         Output_section::output_address, use faster
5452         Arm_relobj::simple_input_section_output_address.
5453
5454 2010-02-08  David S. Miller  <davem@davemloft.net>
5455
5456         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5457         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5458         relocation helper function.
5459
5460         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5461         just like R_SPARC_GOT{10,13,22}.
5462         (Target_sparc::Scan::local): Likewise.
5463         (Target_sparc::Relocate:relocate): Likewise.
5464
5465 2010-02-06  Ian Lance Taylor  <iant@google.com>
5466
5467         * configure.ac: Rewrite targetobjs duplicate removal code to use
5468         only shell constructs.
5469         * configure: Rebuild.
5470
5471 2010-02-05  Doug Kwan  <dougkwan@google.com>
5472
5473         PR 11247
5474         * arm.cc (Arm_relobj::section_is_scannable): New method.
5475         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5476         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5477
5478 2010-02-04  Doug Kwan  <dougkwan@google.com>
5479
5480         PR 11247
5481         * arm-reloc-property.cc (cstdio): Include.
5482         * configure.ac (targetobjs): Remove duplicates.
5483         * configure: Regenerate.
5484         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5485         big and little endian version for a given address size.
5486
5487 2010-02-03  Doug Kwan  <dougkwan@google.com>
5488
5489         * arm-reloc-property.cc
5490         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5491         definition.
5492         * arm-reloc-property.h
5493         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5494         New method definition.
5495         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5496         declaration.
5497         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5498         overflow to N.
5499         (GOT_PREL): Change implemented to Y.
5500         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5501         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5502         (Arm_relocate_functions::movw_abs_nc): Remove method.
5503         (Arm_relocate_functions::movt_abs): Ditto.
5504         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5505         (Arm_relocate_functions::thm_movt_abs): Ditto.
5506         (Arm_relocate_functions::movw_rel_nc): Ditto.
5507         (Arm_relocate_functions::movw_rel): Ditto.
5508         (Arm_relocate_functions::movt_rel): Ditto.
5509         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5510         (Arm_relocate_functions:thm_movw_rel): Ditto.
5511         (Arm_relocate_functions:thm_movt_rel): Ditto.
5512         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5513         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5514         New method definitions.
5515         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5516         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5517         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5518         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5519         (Target_arm::Relocate::relocate): Check for non-static or
5520         unimplemented relocation code and exit early.  Change calls to
5521         Target_arm::reloc_uses_thumb_bit and
5522         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5523         instead.  Refactor code to handle similar relocations to increase
5524         code sharing.  Remove check for unsupported relocation code in switch
5525         statement.
5526         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5527         relocation property table to find out size.  Change error message to
5528         print out the name of a relocation code instead of the numeric value.
5529         (Target_arm::scan_reloc_for_stub): Use relocation property table
5530         instead of calling Target_arm::reloc_uses_thumb_bit().
5531
5532 2010-02-02  Doug Kwan  <dougkwan@google.com>
5533
5534         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5535         types of relaxed input section.
5536
5537 2010-02-02  Doug Kwan  <dougkwan@google.com>
5538
5539         * Makefile.am (HFILES): Add arm-reloc-property.h.
5540         (DEFFILES): New.
5541         (TARGETSOURCES): Add arm-reloc-property.cc
5542         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5543         (libgold_a_SOURCES): $(DEFFILES)
5544         * Makefile.in: Regenerate.
5545         * arm-reloc-property.cc: New file.
5546         * arm-reloc-property.h: New file.
5547         * arm-reloc.def: New file.
5548         * arm.cc: Update comments.
5549         (arm-reloc-property.h): New included header.
5550         (arm_reloc_property_table): New global variable.
5551         (Target_arm::do_select_as_default_target): New method definition.
5552         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5553         arm-reloc-property to targ_extra_obj.
5554         * parameters.cc (set_parameters_target): Call
5555         Target::select_as_default_target().
5556         * target.h (Target::select_as_default_target): New method definition.
5557         (Target::do_select_as_default_target): Same.
5558
5559 2010-02-01  Doug Kwan  <dougkwan@google.com>
5560
5561         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5562         first_output_text_section_.
5563         (Arm_exidx_fixup::first_output_text_section): New method definition.
5564         (Arm_exidx_fixup::first_output_text_section_): New data member.
5565         (Arm_exidx_fixup::process_exidx_section): Record the first text
5566         output section seen.
5567         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5568         and entsize in output section header.
5569
5570 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5571
5572         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5573         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5574         (Arm_relocate_functions::thm_alu11): New Method.
5575         (Arm_relocate_functions::thm_pc8): New Method.
5576         (Arm_relocate_functions::thm_pc12): New Method.
5577         (Target_arm::Scan::local): Handle the relocations.
5578         (Target_arm::Scan::global): Likewise.
5579         (Target_arm::Relocate::relocate): Likewise.
5580         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5581
5582 2010-01-29  Doug Kwan  <dougkwan@google.com>
5583
5584         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5585         of relocation types as ld.
5586
5587 2010-01-29  Doug Kwan  <dougkwan@google.com>
5588
5589         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5590         to public.
5591         (Arm_relocate_functions::thumb_branch_common): Ditto.
5592         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5593         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5594         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5595         Arm_relocate_functions::jump24): Remove.
5596         (Target_arm::Relocate::relocate): Adjust code to call
5597         Arm_relocation_functions::arm_branch_common and
5598         Arm_relocation_functions::thumb_branch_common instead of their removed
5599         wrappers.  Merge switch-cases together to reduce source code size.
5600
5601 2010-01-29  Doug Kwan  <dougkwan@google.com>
5602
5603         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5604         output_local_symbol_count_needs_update_.
5605         (Arm_relobj::output_local_symbol_count_needs_update,
5606          Arm_relobj::set_output_local_symbol_count_needs_update,
5607          Arm_relobj::update_output_local_symbol_count): New methods.
5608         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5609         member.
5610         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5611         of pointed function as in a R_ARM_PREL31 relocation.
5612         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5613         for output local symbol count updating.
5614         (Target_arm::do_relax): Update output local symbol counts in objects
5615         if necessary.
5616         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5617
5618 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5619
5620         * arm.cc: Added support for the ARM relocations:
5621         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5622         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5623         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5624         movw_prel_nc).
5625         (Arm_relocate_functions::movw_rel): New method.
5626         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5627         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5628         thm_movw_prel_nc).
5629         (Arm_relocate_functions::thm_movw_rel): New method.
5630         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5631         thm_movt_prel).
5632         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5633         relocations.
5634         (Target_arm::Scan::global): Likewise.
5635         (Target_arm::Relocate::relocate): Likewise.
5636         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5637         Likewise.
5638
5639 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5640
5641         * arm.cc: Added support for ARM group relocations.
5642         (Target_arm::reloc_needs_sym_origin): New method.
5643         (Arm_relocate_functions::calc_grp_kn): New method.
5644         (Arm_relocate_functions::calc_grp_residual): New method.
5645         (Arm_relocate_functions::calc_grp_gn): New method.
5646         (Arm_relocate_functions::arm_grp_alu): New Method.
5647         (Arm_relocate_functions::arm_grp_ldr): New Method.
5648         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5649         (Arm_relocate_functions::arm_grp_ldc): New Method.
5650         (Target_arm::Scan::local): Handle the ARM group relocations.
5651         (Target_arm::Scan::global): Likewise.
5652         (Target_arm::Relocate::relocate): Likewise.
5653         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5654         Likewise.
5655
5656 2010-01-26  Doug Kwan  <dougkwan@google.com>
5657
5658         * arm.cc (set): Include.
5659         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5660         pointer type.
5661         (Arm_output_section::Text_section_list): New type.
5662         (Arm_output_section::append_text_sections_to_list): New method.
5663         (Arm_output_section::fix_exidx_coverage): Ditto.
5664         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5665         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5666         Relobj::set_section_offset() instead of
5667         Sized_relobj::invalidate_section_offset().
5668         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5669         parameter for section headers. Ignore relocation sections for
5670         unallocated sections and EXIDX sections.
5671         (Target_arm::fix_exidx_coverage): New method.
5672         (Target_arm::output_section_address_less_than): New type.
5673         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5674         linked text section instead of the EXIDX section.
5675         (Arm_output_section::create_stub_group): Add an assertion to check
5676         that this is not an EXIDX output section.
5677         (Arm_output_section::append_text_sections_to_list): New method.
5678         (Arm_output_section::fix_exidx_coverage): Ditto.
5679         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5680         Arm_relobj::section_needs_reloc_stub_scanning.
5681         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5682         first pass.
5683         (Target_arm::fix_exidx_coverage): New method.
5684         * object.h (Relobj::set_output_section): New method.
5685         (Sized_relobj::invalidate_section_offset): Remove method.
5686         (Sized_relobj::do_invalidate_section_offset): Remove method.
5687         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5688
5689 2010-01-25  Doug Kwan  <dougkwan@google.com>
5690
5691         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5692         Fix warning due to signed and unsigned comparison on a 32-bit host.
5693
5694 2010-01-22  Doug Kwan  <dougkwan@google.com>
5695
5696         * arm.cc (Target_arm::do_relax): Record an output section for section
5697         offset adjustment it contains any stub table that has changed.
5698         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5699         offsets in an output section if necessary.
5700         * output.cc (Output_section::Output_section): Initialize
5701         section_offsets_need_adjustments_.
5702         (Output_section::add_input_section_for_script): Renamed to
5703         Output_section::add_simple_input_section.
5704         (Output_section::save_states): Add a comment.
5705         (Output_section::discard_states): New method defintion.
5706         (Output_section::adjust_section_offsets): Same.
5707         * output.h (Output_section::add_input_section_for_script): Renamed to
5708         Output_section::add_simple_input_section.
5709         (Output_section::discard_states): New method declaration.
5710         (Output_section::adjust_section_offsets): Same.
5711         (Output_section::section_offsets_need_adjustment,
5712         Output_section::set_section_offsets_need_adjustment): New method
5713         definitions.
5714         (Output_section::section_offsets_need_adjustment_): New data member.
5715         * script-sections.cc
5716         (Output_section_element_input::set_section_address): Adjust code for
5717         renaming of Output_section::add_input_section_for_script.
5718         (Orphan_output_section::set_section_address): Same.
5719
5720 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5721
5722         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5723         Fix_v4bx enum values .
5724         * gold/options.h (General_options): New option definitions.
5725         (General_options::fix_v4bx): New method.
5726         (General_options::Fix_v4bx): New enum.
5727         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5728         (General_options::parse_fix_v4bx_interworking): New method.
5729
5730 2010-01-22  Doug Kwan  <dougkwan@google.com>
5731
5732         * arm.cc (Arm_exidx_fixup): New class.
5733
5734 2010-01-21  Doug Kwan  <dougkwan@google.com>
5735
5736         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5737         classes.
5738         (Arm_exidx_section_offset_map): New type.
5739
5740 2010-01-21  Doug Kwan  <dougkwan@google.com>
5741
5742         * arm.cc (Arm_exidx_input_section): New class.
5743         (Arm_relobj::exidx_input_section_by_link,
5744         Arm_relobj::exidx_input_section_by_shndx,
5745         Arm_relobj::make_exidx_input_section): New methods.
5746         (read_arm_attributes_section): Remove.
5747         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5748         information about them.
5749         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5750         to here.
5751
5752 2010-01-20  Doug Kwan  <dougkwan@google.com>
5753
5754         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5755         Input_section_specifier to Section_id.
5756         (Target_arm::new_arm_input_section: Adjust code for change of key
5757         type.
5758         (Target_arm::find_arm_input_section): Ditto.
5759         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5760         (Section_id): Remove.
5761         (Garbage_collection::Section_id_hash): Remove.
5762         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5763         (Section_id): Remove.
5764         (Icf::Section_id_hash): Remove.
5765         * object.h (Section_id, Const_section_id, Section_id_hash,
5766         Const_section_id_hash): New type definitions.
5767         * output.cc (Output_section::add_relaxed_input_section): Change to
5768         use Const_section_id instead of Input_section_specifier as key type.
5769         (Output_section::add_merge_input_section): Ditto.
5770         (Output_section::build_relaxation_map): Change to use Section_id
5771         instead of Input_section_specifier as key type.
5772         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5773         Ditto.
5774         (Output_section::convert_input_sections_to_relaxed_sections): Change
5775         to use Const_section_id instead of Input_section_specifier as key type.
5776         (Output_section::find_merge_section): Ditto.
5777         (Output_section::find_relaxed_input_section): Ditto.
5778         * output.h (Input_section_specifier): Remove class.
5779         (Output_section::Output_section_data_by_input_section_map): Change
5780         key type to Const_section_id.
5781         (Output_section::Output_relaxed_input_section_by_input_section_map):
5782         Ditto.
5783         (Output_section::Relaxation_map): Change key type to Section_id.
5784
5785 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5786
5787         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5788         (class Arm_v4bx_stub): New class.
5789         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5790         (Stub_factory::make_arm_v4bx_stub): New method.
5791         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5792         (Stub_table::empty): Handle v4bx stubs.
5793         (Stub_table::add_arm_v4bx_stub): New method.
5794         (Stub_table::find_arm_v4bx_stub): New method.
5795         (Arm_relocate_functions::v4bx): New method.
5796         (Target_arm::fix_v4bx): New method.
5797         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5798         (Stub_table::relocate_stubs): Likewise.
5799         (Stub_table::do_write): Likewise.
5800         (Stub_table::update_data_size_and_addralign): Likewise.
5801         (Stub_table::finalize_stubs):  Likewise.
5802         (Target_arm::Scan::local): Likewise.
5803         (Target_arm::Scan::global): Likewise.
5804         (Target_arm::do_finalize_sections): Likewise.
5805         (Target_arm::Relocate::relocate): Likewise.
5806         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5807         Likewise.
5808         (Target_arm::scan_reloc_for_stub): Likewise.
5809         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5810
5811 2010-01-19  Ian Lance Taylor  <iant@google.com>
5812
5813         * output.cc (Output_section_headers::do_sized_write): Write large
5814         segment count to sh_info field.
5815         (Output_file_header::do_sized_write): For large segment count,
5816         write PN_XNUM to e_phnum field.
5817
5818 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5819
5820         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5821         (Arm_relocate_functions::thm_jump8): New function.
5822         (Arm_relocate_functions::thm_jump11): New function.
5823         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5824         R_ARM_THM_JUMP11.
5825         (Target_arm::Scan::global): Likewise.
5826         (Target_arm::Relocate::relocate): Likewise.
5827         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5828         Likewise.
5829
5830 2010-01-14  Doug Kwan  <dougkwan@google.com>
5831
5832         * arm.cc (map, utility): Include headers.
5833         (Target_arm::apply_cortex_a8_workaround): New method.
5834         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5835         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5836         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5837         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5838         the --[no-]fix-cortex-a8 command line options.
5839         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5840         (Target_arm::relocate_stub): Use addend in instruction template.
5841         * options.h (DEFINE_bool): Set the user-set flag.
5842         (General_options): Add --[no-]-fix-cortex options.
5843         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5844         : Update fast look-up map after conversion.
5845
5846 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5847
5848         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5849         in the first pass of do_layout.
5850
5851 2010-01-13  Doug Kwan  <dougkwan@google.com>
5852
5853         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5854         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5855         apparent compiler problem of not folding static constant integral
5856         data members of elfcpp::Elf_sizes<32>.
5857
5858 2010-01-13  Doug Kwan  <dougkwan@google.com>
5859
5860         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5861         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5862         Arm_relobj::scan_section_for_cortex_a8_erratum,
5863         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5864         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5865         sections to scan for relocation stubs into a new method
5866         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5867         relocation and Cortex-A8 stub scanning.
5868         (Target_arm::do_relax): Force stubs to be after stubbed sections
5869         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5870         the beginning of a new relaxation pass.  Update a comment.
5871         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5872
5873 2010-01-12  Ian Lance Taylor  <iant@google.com>
5874
5875         * target-reloc.h (visibility_error): New inline function.
5876         (relocate_section): Call visibility_error.
5877         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5878         (MOSTLYCLEANFILES): Likewise.
5879         (protected_4_pic.o, protected_3.err): New targets.
5880         * testsuite/protected_4.cc: New file.
5881
5882 2010-01-12  Doug Kwan  <dougkwan@google.com>
5883
5884         * arm.cc (Cortex_a8_reloc): New class.
5885         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5886         and cortex_a8_relocs_info_.
5887         (Target_arm::fix_cortex_a8): New method definition.
5888         (Target_arm::Cortex_a8_relocs_info): New type.
5889         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5890         New data member declarations.
5891         (Target_arm::scan_reloc_for_stub): Record information about
5892         relocations for THUMB branches that might be exempted from the
5893         Cortex-A8 workaround.
5894         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5895         at the beginning of a relaxation pass.
5896
5897 2010-01-12  Doug Kwan  <dougkwan@google.com>
5898
5899         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5900         (Arm_relobj::Mapping_symbol_position,
5901          Arm_reloj::Mapping_symbol_position_less,
5902          Arm_relobj::Mapping_symbols_info): New types.
5903         (Target_arm::is_mapping_symbol_name): New method definition.
5904         (Arm_relobj::do_count_local_symbols): Save information about mapping
5905         symbols.
5906
5907 2010-01-11  Doug Kwan  <dougkwan@google.com>
5908
5909         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5910         Arm_relocate_functions::thumb32_branch_upper,
5911         Arm_relocate_functions::thumb32_branch_lower,
5912         Arm_relocate_functions::thumb32_cond_branch_offset,
5913         Arm_relocate_functions::thumb32_cond_branch_upper,
5914         Arm_relocate_functions::thumb32_cond_branch_lower,
5915         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5916         branch offset encoding.
5917         (Arm_relocate_functions::thumb_branch_common): Use new branch
5918         offset encoding methods to avoid code duplication.
5919         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5920         (Stub_addend_reader::operator()): Use new branch encoding method
5921         to avoid code duplication.
5922
5923 2010-01-11  Doug Kwan  <dougkwan@google.com>
5924
5925         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5926         (Target_arm::do_finalize_sections): Define special EXIDX section
5927         symbols only if referenced.
5928         * gc.h (Garbage_collection::add_reference): New method.
5929         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5930         code duplication.
5931
5932 2010-01-11  Ian Lance Taylor  <iant@google.com>
5933
5934         * script.cc (Version_script_info::build_expression_list_lookup):
5935         Change complaing about duplicate wildcard match from error to
5936         warning.
5937
5938         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5939         of 2009-12-30.
5940         (Version_script_info::Version_script_info): Initialize globs_,
5941         default_version_, default_is_global_, and exact_.  Don't
5942         initialize globals_ or locals_.
5943         (Version_script_info::build_lookup_tables): Build local symbols
5944         first.
5945         (Version_script_info::unquote): New function.
5946         (Version_script_info::add_exact_match): New function.
5947         (Version_script_info::build_expression_list_lookup): Remove lookup
5948         parameter.  Add is_global parameter.  Change all callers.  Handle
5949         wildcard pattern specially.  Unquote pattern.  Call
5950         add_exact_match.
5951         (Version_script_info::get_name_to_match): New function.
5952         (Version_script_info::get_symbol_version): New function.
5953         (Version_script_info::get_symbol_version_helper): Remove.
5954         (Version_script_info::check_unmatched_names): Call unquote.
5955         * script.h (class Version_script_info): Change get_symbol_version
5956         to be non-inline and add is_global parameter; change all callers.
5957         Rewrite symbol_is_local.  Update declarations.  Define struct
5958         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5959         Remove globals_ and locals_ members.  Add exact_, globs_,
5960         default_version_, is_global_.
5961         (Version_script_info::Glob): Remove pattern, add expression and
5962         is_global.  Update constructor.  Change all callers.
5963         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5964         default version.
5965         (Versions::symbol_section_contents): If a symbol is undefined, or
5966         defined in a dynamic object, set the version index to
5967         VER_NDX_LOCAL.
5968         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5969         symbol_is_local.
5970         (Symbol_table::add_from_pluginobj): Likewise.
5971         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5972
5973 2010-01-11  Doug Kwan  <dougkwan@google.com>
5974
5975         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5976         (incremental_dump_LDADD): Add linking option for libintl.
5977         * Makefile.in: Regenerate.
5978
5979 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5980
5981         PR gold/11144
5982         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5983         instead of -Ds.
5984         * testsuite/Makefile.in: Regenerated.
5985
5986 2010-01-10  Doug Kwan  <dougkwan@google.com>
5987
5988         * options.h (DEFINE_var): Use parentheses around argument varname__
5989         in macro body to avoid any unintended subsequent substitutions.
5990
5991 2010-01-10  Ian Lance Taylor  <iant@google.com>
5992
5993         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5994         candidates before doing symbol resolution.
5995
5996         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5997         ODR candidates if only one is weak.
5998
5999 2010-01-08  Ian Lance Taylor  <iant@google.com>
6000
6001         * script.cc (Version_script_info::build_expression_list_lookup):
6002         Don't warn about ambiguous version, just record the ambiguity.
6003         (Version_script_info::get_symbol_version_helper): Give error if
6004         version is ambiguous.
6005
6006 2010-01-08  Doug Kwan  <dougkwan@google.com>
6007
6008         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6009           prev_data_size_ and prev_addralign_.  Remove initializer for
6010           deleted data member has_been_changed_.
6011           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6012           to determine if the table is empty.
6013           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6014           Remove.
6015           (Stub_table::add_reloc_stub): Define method in class definition
6016           instead of just declaring it there.
6017           (Stub_table::add_cortex_a8_stub): New method definition.
6018           (Stub_table::update_data_size_and_addralign): Ditto.
6019           (Stub_table::finalize_stubs): Ditto.
6020           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6021           (Stub_table::do_addralign_): Return address alignment in the
6022           (Stub_table::do_reset_address_and_file_offset): Define method in
6023           class definition instead of declaring it there.  Set current data
6024           size to be the data size of the previous pass.
6025           (Stub_table::set_final_data_size): Use current data size as the
6026           final data size.
6027           (Stub_table::relocate_stub): Change parameter type of stub from
6028           Reloc_stub pointer to Stub pointer.
6029           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6030           (Stub_table::Cortex_a8_stub_list): New typedef.
6031           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6032            Stub_table::prev_addralign_): New data member.
6033           (Arm_relobj::Arm_relobj): Initialize data member
6034           section_has_cortex_a8_workaround_.
6035           (Arm_relobj::section_has_cortex_a8_workaround,
6036            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6037            definitions.
6038           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6039           declarations.
6040           (Target_arm::relocate_stub): Change parameter type of stub from
6041           Reloc_stub pointer to Stub pointer.
6042           (Insn_template::size, Insn_template::alignment): Handle
6043           THUMB16_SPECIAL_TYPE.
6044           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6045            Stub_table::update_data_size_and_addralign,
6046            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6047           definitions.
6048           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6049           (Stub_table::do_write): Ditto.
6050           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6051
6052 2010-01-08  Ian Lance Taylor  <iant@google.com>
6053
6054         PR 11108
6055         * symtab.h (class Symbol): Remove fields is_target_special_ and
6056         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6057         (Symbol::is_defined_in_discarded_section): New function.
6058         (Symbol::set_is_defined_in_discarded_section): New function.
6059         (Symbol::has_plt_offset): Rewrite.
6060         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6061         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6062         Don't initialize is_target_special_ or has_plt_offset_.
6063         Initialize is_defined_in_discarded_section_.
6064         (Symbol_table::add_from_relobj): If appropriate, set
6065         is_defined_in_discarded_section.
6066         * resolve.cc (Symbol::override_base_with_special): Don't test
6067         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6068         * target-reloc.h (relocate_section): Do special handling for
6069         symbols defined in discarded sections for global symbols as well
6070         as local symbols.
6071
6072 2010-01-08  Ian Lance Taylor  <iant@google.com>
6073
6074         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6075         the SHT_SYMTAB case.
6076
6077 2010-01-08  Ian Lance Taylor  <iant@google.com>
6078
6079         * object.cc (Sized_relobj::do_layout): Don't get confused if
6080         layout_eh_frame returns NULL.
6081
6082 2010-01-08  Ian Lance Taylor  <iant@google.com>
6083
6084         PR 11084
6085         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6086         dynamic symbol table, use the normal symbol table.
6087         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6088         symbol table.
6089
6090 2010-01-08  Ian Lance Taylor  <iant@google.com>
6091
6092         PR 11072
6093         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6094         sections.
6095
6096 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6097
6098         * version.cc (print_version): Change to "Copyright 2010".
6099
6100 2010-01-08  Ian Lance Taylor  <iant@google.com>
6101
6102         PR 10287
6103         PR 11063
6104         * i386.cc (class Target_i386): Change return type of plt_section
6105         to be non-const.
6106         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6107         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6108         tls_desc_rel_ field.
6109         (Output_data_plt_i386::rel_tls_desc): New function.
6110         (Target_i386::rel_tls_desc_section): New function.
6111         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6112         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6113         R_386_TLS_DESC reloc in rel_tls_desc_section.
6114         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6115         Define struct Tlsdesc_info.
6116         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6117         (Target_x86_64::do_reloc_symbol_index): New function.
6118         (Target_x86_64::add_tlsdesc_info): New function.
6119         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6120         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6121         tlsdesc_rel_ field.
6122         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6123         all callers.
6124         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6125         (Target_x86_64::rela_tlsdesc_section): New function.
6126         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6127         handling.
6128         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6129         (Target_x86_64::do_reloc_addend): New function.
6130         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6131         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6132         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6133         (Output_reloc::type): New function.
6134         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6135         (Output_reloc::is_target_specific): New function.
6136         (Output_reloc::target_arg): New function.
6137         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6138         absolute relocs and target specific relocs.
6139         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6140         add_target_specific.
6141         (class Output_data_reloc) [SHT_RELA]: Likewise.
6142         * output.cc (Output_reloc::Output_reloc): Add four new versions
6143         for absolute relocs and target specific relocs.
6144         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6145         (Output_reloc::get_symbol_index): Likewise.
6146         (Output_reloc::local_section_offset): Check that local_sym_index_
6147         is not TARGET_CODE or 0.
6148         (Output_reloc::symbol_value): Likewise.
6149         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6150         reloc.
6151         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6152         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6153         functions.
6154         * layout.cc (add_target_dynamic_tags): Use output section for
6155         DT_PLTRELSZ and DT_JMPREL.
6156
6157 2010-01-07  Ian Lance Taylor  <iant@google.com>
6158
6159         PR 11061
6160         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6161         function.
6162         (class Output_data_reloc_generic): Define.
6163         (class Output_data_reloc_base): Change base class to
6164         Output_data_reloc_generic.  Change add() method to call
6165         bump_relative_reloc_count for a relative reloc.  Remove
6166         sort_relocs_ field.
6167         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6168         to sort_relocs().
6169         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6170         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6171         appropriate.
6172         * layout.h (class Layout): Update declaration.
6173
6174 2010-01-07  Ian Lance Taylor  <iant@google.com>
6175
6176         * output.h (class Output_data): Add const version of
6177         output_section and do_output_section.
6178         (class Output_section_data): Add const version of
6179         do_output_section.
6180         (class Output_section): Likewise.
6181         * layout.cc (Layout::add_target_dynamic_tags): New function.
6182         * layout.h (class Layout): Update declarations.
6183         * arm.cc (Target_arm::do_finalize_sections): Use
6184         add_target_dynamic_tags.
6185         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6186         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6187         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6188         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6189
6190 2010-01-07  Ian Lance Taylor  <iant@google.com>
6191
6192         PR 11042
6193         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6194         object as needed.
6195
6196 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6197             Ian Lance Taylor  <iant@google.com>
6198
6199         PR 11019
6200         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6201         Xindex::read_symtab_xindex.
6202
6203 2010-01-07  Doug Kwan  <dougkwan@google.com>
6204
6205         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6206         (Insn_template::thumb16_bcond_insn): New method declaration.
6207         (Insn_template): Fix spelling.
6208         (Stub::thumb16_special): New method declaration.
6209         (Stub::do_write): Define virtual method which was previously pure
6210         virtual.
6211         (Stub::do_thumb16_special): New method declaration.
6212         (Stub::do_fixed_endian_write): New template member.
6213         (Reloc_stub::do_write): Remove.
6214         (Reloc_stub::do_fixed_endian_write): Remove.
6215         (Cortex_a8_stub): New class definition.
6216         (Stub_factory::make_cortex_a8_stub): New method definition.
6217         (Stub_factory::Stub_factory): Add missing static storage class
6218         qualifier for elf32_arm_stub_a8_veneer_blx.
6219
6220 2010-01-07  Ian Lance Taylor  <iant@google.com>
6221
6222         PR 10980
6223         * options.h (class General_options): Add --warn-unresolved-symbols
6224         and --error-unresolved-symbols.
6225         * errors.cc (Errors::undefined_symbol): Implement
6226         --warn-unresolved-symbols.
6227
6228         * options.h (class General_options): Add -z text and -z textoff.
6229         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6230
6231 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6232
6233         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6234         (Garbage_collection::cident_sections): New function.
6235         (Garbage_collection::add_cident_section): New function.
6236         (Garbage_collection::cident_sections_): New member.
6237         (gc_process_relocs): Add references to sections whose names are C
6238         identifiers.
6239         * gold.h (cident_section_start_prefix): New constant.
6240         (cident_section_stop_prefix): New constant.
6241         (is_cident): New function.
6242         * layout.cc (Layout::define_section_symbols): Replace string constants
6243         with the newly defined constants.
6244         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6245         C identifiers.
6246         * testsuite/Makefile.am: Add gc_orphan_section_test.
6247         * testsuite/Makefile.in: Regenerate.
6248         * testsuite/gc_orphan_section_test.cc: New file.
6249         * testsuite/gc_orphan_section_test.sh: New file.
6250
6251 2010-01-06  Ian Lance Taylor  <iant@google.com>
6252
6253         PR 10980
6254         * options.h (class General_options): Add --warn-shared-textrel.
6255         * layout.cc (Layout::finish_dynamic_section): Implement
6256         --warn-shared-textrel.
6257
6258         PR 10980
6259         * options.h (class General_options): Add --warn-multiple-gp.
6260
6261 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6262
6263         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6264         $(THREADSLIB) and $(LIBDL).
6265         * Makefile.in: Rebuild.
6266
6267 2010-01-06  Ian Lance Taylor  <iant@google.com>
6268
6269         PR 10980
6270         * options.cc (General_options::parse_section_start): New function.
6271         (General_options::section_start): New function.
6272         (General_options::General_options): Initialize all members.
6273         * options.h: Include <map>
6274         (class General_options): Add --section-start.  Add section_starts_
6275         member.
6276         * layout.cc (Layout::attach_allocated_section_to_segment): If
6277         --section-start was used, set the address of the segment.  Remove
6278         local sort_sections.
6279         (Layout::relaxation_loop_body): If the address of the load segment
6280         has been set by --section-start, don't use it.
6281         * output.h (Output_segment::update_flags_for_output_section): New
6282         function.
6283         * output.cc (Output_segment::add_output_section): Call
6284         update_flags_for_output_section.
6285
6286 2010-01-05  Ian Lance Taylor  <iant@google.com>
6287
6288         PR 10980
6289         * options.h (class General_options): Add --undefined-version.
6290         * script.cc (struct Version_expression): Add was_matched_by_symbol
6291         field.
6292         (Version_script_info::matched_symbol): New function.
6293         (Version_script_info::get_symbol_version_helper): Call
6294         matched_symbol.
6295         (Version_script_info::check_unmatched_names): New function.
6296         * script.h (class Version_script_info): Update declarations.
6297         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6298
6299         * options.h (class General_options): Use DEFINE_bool_alias for
6300         allow_multiple_definition.
6301         * resolve.cc (Symbol_table::should_override): Don't test
6302         allow_multiple_definition.
6303
6304         PR 10980
6305         * options.h (class General_options): Add --cref.
6306         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6307         until after printing cref table.
6308         * cref.cc: Include "symtab.h".
6309         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6310         (Cref_table_compare::operator()): New function.
6311         (Cref_inputs::gather_cref): New function.
6312         (filecol): New static const.
6313         (Cref_inputs::print_cref): New function.
6314         (Cref::print_cref): New function.
6315         * cref.h: Include <cstdio>.
6316         (class Cref): Update declarations.
6317         * mapfile.h (Mapfile::file): New function.
6318         * object.h (class Object): Define Symbols.  Declare virtual
6319         do_get_global_symbols.
6320         (Object::get_global_symbols): New function.
6321         * object.cc (Input_objects::add_object): Pass object to cref_ if
6322         --cref.
6323         (Input_objects::archive_start): Likewise.
6324         (Input_objects::archive_stop): Likewise.
6325         (Input_objects::print_cref): New function.
6326         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6327         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6328         --cref.
6329         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6330         function.
6331         * plugin.h (class Sized_pluginobj): Update declarations.
6332
6333 2010-01-05  Ian Lance Taylor  <iant@google.com>
6334
6335         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6336         to is_default_version.  Rename insdef to insdefault.
6337         (Symbol_table::add_from_relobj): Rename def to is_default_version
6338         and local to is_forced_local.
6339         (Symbol_table::add_from_pluginobj): Likewise.
6340         (Symbol_table::add_from_dynobj): Likewise.
6341         (Symbol_table::define_special_symbol): Rename insdef to
6342         insdefault.
6343
6344 2010-01-04  Ian Lance Taylor  <iant@google.com>
6345
6346         PR 10980
6347         * options.h (class General_options): Add
6348         --allow-multiple-definition and -z muldefs.
6349         * resolve.cc (Symbol_table::should_override): Don't warn about a
6350         multiple symbol definition if --allow-multiple-definition or -z
6351         muldefs.
6352
6353         PR 10980
6354         * options.h (class General_options): Add --add-needed and
6355         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6356         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6357         error if --copy-dt-needed-entries aka --add-needed is used and
6358         would cause a change in behaviour.
6359
6360         PR 10980
6361         * options.h (class General_options): Add -G as a short version of
6362         --shared.  Add no-op options -assert, -g, and -i.
6363
6364 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6365
6366         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6367         check for .text or .gnu.linkonce.t sections.
6368         * icf.cc (Icf::find_identical_sections): Ditto.
6369         Change the detection for mangled function name within the section
6370         name.
6371         * icf.h (is_section_foldable_candidate): New function.
6372
6373 2009-12-30  Ian Lance Taylor  <iant@google.com>
6374
6375         PR 10980
6376         * options.h (class General_options): Permit two dashes with
6377         --retain-symbols-file.
6378
6379 2009-12-30  Ian Lance Taylor  <iant@google.com>
6380
6381         PR 10979
6382         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6383         don't put the file header and segment headers in the text
6384         segment.
6385
6386         PR 10979
6387         * common.cc (Sort_commons::operator()): Stabilize sort when both
6388         entries are NULL.
6389         (Symbol_table::do_allocate_commons_list): When allocating common
6390         symbols, skip a symbol which is no longer common.
6391         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6392         an object before checking its type.
6393         * testsuite/common_test_2.c: New file.
6394         * testsuite/common_test_3.c: New file.
6395         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6396         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6397         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6398         (common_test_2_pic.o, common_test_2.so): New targets.
6399         (common_test_3_pic.o, common_test_3.so): New targets.
6400         * testsuite/Makefile.in: Rebuild.
6401
6402         PR 10979
6403         * script.cc (read_input_script): If we see a new SECTIONS clause,
6404         and we have added an input section, give an error.
6405         * layout.h (class Layout): Add have_added_input_section function.
6406         Add have_added_input_section_ field.
6407         * layout.cc (Layout::Layout): Initialize
6408         have_added_input_section_.
6409         (Layout::layout): Set have_added_input_section_.
6410         (Layout::layout_eh_frame): Likewise.
6411
6412 2009-12-30  Ian Lance Taylor  <iant@google.com>
6413
6414         PR 10931
6415         * options.h (class General_options): Add --sort-common option.
6416         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6417         * common.cc (Sort_common): Add sort_order parameter to
6418         constructor.  Add sort_order_ field.
6419         (Sort_commons::operator): Check sort_order_.
6420         (Symbol_table::allocate_commons): Determine the sort order.
6421         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6422         Change all callers.
6423         (Symbol_table::do_allocate_commons_list): Likewise.
6424
6425 2009-12-30  Ian Lance Taylor  <iant@google.com>
6426
6427         PR 10916
6428         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6429         symbols from this object, don't change the visibility of an
6430         undefined symbol.
6431         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6432
6433 2009-12-30  Ian Lance Taylor  <iant@google.com>
6434
6435         PR 10861
6436         * script.h (class Version_script_info): Define Language enum.
6437         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6438         new fields globals_, locals_, and is_finalized_.
6439         * script.cc: Various formatting fixes.
6440         (class Parser_closure): Change language_stack_ from a vector of
6441         std::string to one of Version_script_info::Language.  Adjust all
6442         uses accordingly.
6443         (class Lazy_demangler): Remove.
6444         (struct Version_expression): Change language from std::string to
6445         Version_script_info::Language.
6446         (Version_script_info::Version_script_info): New function.
6447         (Version_script_info::~Version_script_info): Don't call clear.
6448         (Version_script_info::finalize): New function.
6449         (Version_script_info::build_lookup_tables): New function.
6450         (Version_script_info::build_expression_list_lookup): New
6451         function.
6452         (Version_script_info::get_symbol_version_helper): Rewrite to use
6453         lookup tables.
6454         (Version_script_info::print_expression_list): Adjust to use
6455         Version_script_info::Language.
6456         (script_push_lex_into_version_mode): Check that the version script
6457         has not been finalized.
6458         (version_script_push_lang): Change language string to
6459         Version_script_info::Language.
6460         * options.cc (Command_line::version_script): New function.
6461         * options.h (class General_options): Add finalize_dynamic_list
6462         function.  Change version_script from declaration to definition.
6463         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6464         * testsuite/version_script.map: Remove duplicate def of foo.
6465         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6466         version_script.map.
6467         * testsuite/Makefile.in: Rebuild.
6468
6469 2009-12-30  Ian Lance Taylor  <iant@google.com>
6470
6471         PR 10843
6472         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6473         if the input symbol index is 0, make the output symbol index 0.
6474
6475 2009-12-30  Ian Lance Taylor  <iant@google.com>
6476
6477         PR 10670
6478         * options.h (class General_options): Add -x/--discard-all.
6479         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6480         --discard-all.  If the local symbol needs a dynamic entry, check
6481         that before handling --discard-locals.
6482
6483 2009-12-30  Ian Lance Taylor  <iant@google.com>
6484
6485         PR 10450
6486         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6487         flags to PF_R.
6488         (Output_segment::add_output_section): Don't change the flags if
6489         the type is PT_TLS.
6490
6491         PR 10450
6492         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6493         GNU hash table if they need a dynamic value.  Otherwise, don't add
6494         them if they are defined in a dynamic object or are forced local.
6495
6496 2009-12-29  Ian Lance Taylor  <iant@google.com>
6497
6498         PR 10450
6499         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6500         .gnu.hash table for a 32-bit target.
6501
6502         PR 10450
6503         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6504         regular and a dynamic object only needs a dynamic symbol table
6505         entry if it is externally visible.
6506
6507         PR 10450
6508         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6509         constructor.  Add global_offset_table_ field.
6510         (Target_i386::got_section): Set global_offset_table_.
6511         (Target_i386::do_finalize_sections): Set global_offset_table_
6512         size.
6513         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6514         in constructor.  Add global_offset_table_ field.
6515         (Target_x86_64::got_section): Set global_offset_table_.
6516         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6517         size.
6518
6519         * layout.cc (Layout::Layout): Initialize increase_relro_.
6520         (Layout::get_output_section): Add is_relro, is_last_relro, and
6521         is_first_non_relro parameters.  Change all callers.
6522         (Layout::choose_output_section): Likewise.
6523         (Layout::add_output_section_data): Likewise.
6524         (Layout::make_output_section): Likewise.
6525         (Layout::set_segment_offsets): Clear increase_relro when using a
6526         linker script.
6527         * layout.h (class Layout): Add increase_relro method.  Add
6528         increase_relro_ field.  Update declarations.
6529         * output.cc (Output_section::Output_section): Initialize
6530         is_last_relro_ and is_first_non_relro_.
6531         (Output_segment::add_output_section): Group relro sections is
6532         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6533         (Output_segment::maximum_alignment): Remove relro handling.
6534         (Output_segment::set_section_addresses): Add increase_relro
6535         parameter.  Change all callers.  Add initial alignment to align
6536         relro sections on separate page.  Remove old relro handling.
6537         (Output_segment::set_section_list_addresses): Remove in_relro
6538         parameter.  Change all callers.
6539         (Output_segment::set_offset): Add increase parameter.  Change all
6540         callers.  Remove old relro handling.
6541         * output.h (class Output_section): Add new methods: is_last_relro,
6542         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6543         Add is_last_relro_ and is_first_non_relro_ fields.
6544         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6545         Create separate .got.plt section.  Call increase_relro.
6546         * x86_64.cc (Target_x86_64::got_section): Likewise.
6547         * testsuite/relro_script_test.t: Add .got.plt.
6548
6549         PR 10450
6550         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6551         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6552         (Layout::finalize): Call set_dynamic_symbol_size.
6553         (Layout::set_dynamic_symbol_size): New function.
6554         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6555         set_dynamic_symbol_size.
6556
6557         PR 10450
6558         * output.h (class Output_section): Add is_entsize_zero_ field.
6559         * output.cc (Output_section::Output_section): Initialize
6560         is_entsize_zero_.
6561         (Output_section::set_entsize): If two different entsizes are
6562         requested, force it to zero.
6563         (Output_section::add_input_section): Set flags for .debug_str
6564         before updating section flags.  Set entsize.
6565         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6566         and SHF_STRING if all input sections have those flags.
6567
6568 2009-12-29   Rafael Espindola  <espindola@google.com>
6569
6570         * main.cc (main): Fix the sys time reporting.
6571         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6572         reporting.
6573
6574 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6575
6576         * options.cc (General_options::parse_version): Allow -v to exit
6577         without an error if there is nothing to link.
6578
6579 2009-12-29  Ian Lance Taylor  <iant@google.com>
6580
6581         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6582         using a version of gcc before 4.1.
6583         * configure: Rebuild.
6584
6585 2009-12-28  Chris Demetriou  <cgd@google.com>
6586
6587         * attributes.cc (Output_attributes_section_data::do_write): Use
6588         std::vector::front rather than std::vector::data.
6589
6590 2009-12-28  Ian Lance Taylor  <iant@google.com>
6591
6592         * symtab.h (class Symbol_table): Add enum Defined.
6593         * resolve.cc (Symbol_table::should_override): Add defined
6594         parameter.  Change all callers.  Test whether object is NULL
6595         before calling a method on it.
6596         (Symbol_table::report_resolve_problem): Add defined parameter.
6597         Change all callers.
6598         (Symbol_table::should_override_with_special): Likewise.
6599         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6600         parameter.  Change all callers.
6601         (Symbol_table::do_define_in_output_data): Likewise.
6602         (Symbol_table::define_in_output_segment): Likewise.
6603         (Symbol_table::do_define_in_output_segment): Likewise.
6604         (Symbol_table::define_as_constant): Likewise.
6605         (Symbol_table::do_define_as_constant): Likewise.
6606         * script.h (class Symbol_assignment): Add is_defsym parameter to
6607         constructor; change all callers.
6608         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6609         parameter.  Change all callers.  Add is_defsym_ field.
6610         (class Parser_closure): Add parsing_defsym parameter to
6611         constructor; change all callers.  Add parsing_defsym accessor
6612         function.  Add parsing_defsym_ field.
6613
6614 2009-12-28  Ian Lance Taylor  <iant@google.com>
6615
6616         * gold.cc (queue_middle_tasks): Fix formatting.
6617         * object.cc (Relobj::is_section_name_included): Likewise.
6618
6619 2009-12-23  Ian Lance Taylor  <iant@google.com>
6620
6621         * i386.cc (Target_i386::do_calls_non_split): Recognize
6622         -fsplit-stack prologue for a function with a static chain.
6623         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6624         -fsplit-stack prologue when using %r11.
6625
6626 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6627
6628         * options.cc (General_options::parse_version): Make -v continue and do
6629         the link like GNU ld does.
6630
6631 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6632
6633         * Makefile.am (CCFILES): Add timer.cc.
6634         (HFILES): Add timer.h.
6635         * configure.ac: Check for sysconf and times.
6636         * main.cc: include timer.h.
6637         (main): Use Timer instead of get_run_time.
6638         * timer.cc: New.
6639         * timer.h: New.
6640         * workqueue.cc: include timer.h.
6641         (Workqueue::find_and_run_task):
6642         Report user, sys and wall time.
6643         * Makefile.in: Regenerate.
6644         * config.in: Regenerate.
6645         * configure: Regenerate.
6646
6647 2009-12-16  Doug Kwan  <dougkwan@google.com>
6648
6649         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6650         sections.
6651         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6652         relaxed input sections.
6653         * output.cc (Output_section::find_relaxed_input_section): Change
6654         return type to Output_relaxed_input_section pointer.  Adjust code
6655         for new type of relaxed_input_section_map_.
6656         * output.h (Output_section::find_relaxed_input_section): Change
6657         return type to Output_relaxed_input_section pointer.
6658         (Output_section::Output_relaxed_input_section_by_input_section_map):
6659         New type.
6660         (Output_section::relaxed_input_section_map_): Change type to
6661         Output_section::Output_relaxed_input_section_by_input_section_map.
6662         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6663         input section.
6664
6665 2009-12-15  Ian Lance Taylor  <iant@google.com>
6666
6667         * layout.cc (Layout::create_shstrtab): Only write out after input
6668         sections if we are compressing debug sections.
6669
6670 2009-12-15  Ian Lance Taylor  <iant@google.com>
6671
6672         * archive.cc (Archive::add_symbols): Only look up a symbol without
6673         a version if there is, in fact, a version.
6674
6675 2009-12-14  Ian Lance Taylor  <iant@google.com>
6676
6677         Revert -Wshadow changes, all changes from:
6678         2009-12-11  Doug Kwan  <dougkwan@google.com>
6679         2009-12-11  Nick Clifton  <nickc@redhat.com>
6680         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6681
6682 2009-12-11  Doug Kwan  <dougkwan@google.com>
6683
6684         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6685         due to -Wshadow.
6686         * attributes.cc (Object_attribute::size): Ditto.
6687         (Attributes_section_data::size): Ditto.
6688         (Attributes_section_data::Attributes_section_data): Ditto.
6689         (Output_attributes_section_data::do_write): Ditto.
6690         * attributes.h (Object_attribute::set_type): Ditto.
6691         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6692
6693 2009-12-11  Nick Clifton  <nickc@redhat.com>
6694
6695         * archive.cc: Fix shadowed variable warnings.
6696         * arm.cc: Likewise.
6697         * compressed_output.cc: Likewise.
6698         * compressed_output.h: Likewise.
6699         * configure: Likewise.
6700         * dwarf_reader.cc: Likewise.
6701         * dynobj.cc: Likewise.
6702         * dynobj.h: Likewise.
6703         * ehframe.cc: Likewise.
6704         * ehframe.h: Likewise.
6705         * errors.cc: Likewise.
6706         * expression.cc: Likewise.
6707         * fileread.cc: Likewise.
6708         * fileread.h: Likewise.
6709         * freebsd.h: Likewise.
6710         * i386.cc: Likewise.
6711         * icf.cc: Likewise.
6712         * incremental.h: Likewise.
6713         * layout.cc: Likewise.
6714         * layout.h: Likewise.
6715         * mapfile.cc: Likewise.
6716         * merge.cc: Likewise.
6717         * merge.h: Likewise.
6718         * object.cc: Likewise.
6719         * object.h: Likewise.
6720         * options.h: Likewise.
6721         * output.cc: Likewise.
6722         * output.h: Likewise.
6723         * parameters.cc: Likewise.
6724         * plugin.cc: Likewise.
6725         * powerpc.cc: Likewise.
6726         * reduced_debug_output.cc: Likewise.
6727         * reduced_debug_output.h: Likewise.
6728         * reloc.cc: Likewise.
6729         * reloc.h: Likewise.
6730         * resolve.cc: Likewise.
6731         * script-sections.cc: Likewise.
6732         * script.cc: Likewise.
6733         * script.h: Likewise.
6734         * sparc.cc: Likewise.
6735         * symtab.cc: Likewise.
6736         * symtab.h: Likewise.
6737         * target-select.cc: Likewise.
6738         * target-select.h: Likewise.
6739         * token.h: Likewise.
6740         * workqueue.cc: Likewise.
6741         * workqueue.h: Likewise.
6742         * x86_64.cc: Likewise.
6743
6744 2009-12-10  Doug Kwan  <dougkwan@google.com>
6745
6746         * arm.cc (attributes.h): New include.
6747         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6748         (Arm_relobj::~Arm_relobj): Delete object pointed by
6749         attributes_section_data_.
6750         (Arm_relobj::attributes_section_data): New method definition.
6751         (Arm_relobj::attributes_section_data_): New data member declaration.
6752         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6753         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6754         attributes_section_data_.
6755         (Arm_dynobj::attributes_section_data): New method definition.
6756         (Arm_dynobj::attributes_section_data_): New data member declaration.
6757         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6758         initialization value of may_use_blx_ to false.
6759         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6760         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6761         object attributes to compute results instead of hard-coding.
6762         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6763         Target_arm::get_secondary_compatible_arch,
6764         Target_arm::set_secondary_compatible_arch
6765         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6766         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6767         New method declarations.
6768         (Target_arm::get_aeabi_object_attribute): New method definition.
6769         (Target_arm::attributes_section_data_): New data member declaration.
6770         (read_arm_attributes_section): New template definition.
6771         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6772         (Arm_dynobj::do_read_symbols): Ditto.
6773         (Target_arm::do_finalize_sections): Merge attributes sections from
6774         input.  Check for BLX use after attributes section merging.
6775         Fix __exidx_start and __exidx_end visibility.  Create an
6776         .ARM.attributes section if necessary.
6777         (Target_arm::get_secondary_compatible_arch,
6778         Target_arm::set_secondary_compatible_arch,
6779         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6780         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6781         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6782         New method definitions.
6783
6784 2009-12-09  Ian Lance Taylor  <iant@google.com>
6785
6786         * plugin.cc (Plugin::load): Don't cast from void* to a function
6787         pointer.
6788
6789 2009-12-09  Ian Lance Taylor  <iant@google.com>
6790
6791         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6792         information fields.
6793
6794 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6795
6796         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6797         Replace two_file_shared_1.so with two_file_shared_2.so.
6798         * testsuite/Makefile.in: Regenerated.
6799
6800 2009-12-08  Doug Kwan  <dougkwan@google.com>
6801
6802         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6803         (HFILES): Add attributes.h and int_encoding.h.
6804         * Makefile.in: Regenerate.
6805         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6806         function definitions to int_encoding.cc
6807         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6808         prototypes to int_encoding.h
6809         * reduced_debug_output.cc (int_encoding.h): New include.
6810         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6811         function definitions to int_encoding.cc
6812         (insert_into_vector, read_from_pointer): Move template definitions to
6813         int_encoding.h
6814         * attributes.cc: New file.
6815         * attributes.h: New file.
6816         * int_encoding.cc: New file.
6817         * int_encoding.h: New file.
6818
6819 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6820
6821         PR gold/11055
6822         * incremental-dump.cc (dump_incremental_inputs): New.
6823         (main): Use dump_incremental_inputs.
6824
6825 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6826
6827         PR gold/10893
6828         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6829         checking elfcpp::STT_FUNC.
6830         (Target_i386::Relocate::relocate): Likewise.
6831         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6832
6833         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6834         symbols from shared libraries into normal FUNC symbols.
6835
6836         * symtab.h (Symbol): Add is_func and use it.
6837
6838 2009-12-05  Doug Kwan  <dougkwan@google.com>
6839
6840         * arm.cc (Target_arm::arm_info): Initialize new fields
6841         attributes_section and attributes_vendor.
6842         * i386.cc (Target_i386::i386_info): Same.
6843         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6844         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6845         fields attributes_section and attributes_vendor.
6846         * sparc.cc (Target_sparc::sparc_info): Same.
6847         * target.h (Target::attributes_section, Target::attributes_vendor,
6848         Target::is_attributes_section, Target::attribute_arg_type,
6849         Target::attributes_order): New method definitions.
6850         (Target::Target_info::attributes_section,
6851         Target::Target_info::attributes_vendor): New fields.
6852         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6853         virtual method definitions.
6854         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6855         attributes_section and attributes_vendor.
6856         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6857
6858 2009-12-05  Doug Kwan  <dougkwan@google.com>
6859
6860         * arm.cc: Update comments about interworking and stub generation.
6861         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6862         considered as non-PIC.
6863         (Arm_relocate_functions::base_abs): Fix formatting.
6864         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6865         of function to use GOT entry address instead of offset.
6866         (Target_arm::Scan::global): Issue an error if a symbol would need a
6867         PLT does not get one because it is untyped.  Remove code to create
6868         dynamic symbols for relative branches.
6869         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6870         takes unsigned integer instead of boolean.
6871
6872 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6873
6874         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6875         (two_file_test_LDADD): Likewise.
6876         (common_test_1_LDADD): Likewise.
6877         (exception_test_LDADD) Likewise.
6878         (weak_test_LDADD): Likewise.
6879         (many_sections_test_LDADD): Likewise.
6880         (initpri1_LDADD): Likewise.
6881         (script_test_1_LDADD): Likewise.
6882         (script_test_2_LDADD): Likewise.
6883         (justsyms_LDADD): Likewise.
6884         (binary_test_LDADD): Likewise.
6885         (large_LDADD): Likewise.
6886         * testsuite/Makefile.in: Regenerated.
6887
6888 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6889
6890         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6891         (Symbol_table::override_with_special): Likewise.
6892         (Symbol_table::add_from_object): Likewise.
6893
6894 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6895
6896         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6897         Don't set the data_offset twice.
6898
6899 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6900
6901         * testsuite/Makefile.in: Regenerate.
6902
6903 2009-12-03  Doug Kwan  <dougkwan@google.com>
6904
6905         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6906         (Target_arm::do_finalize_sections): Add parameter for symbol table
6907         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6908         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6909         parameter for symbol table pointer.
6910         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6911         an additional parameter for a pointer to symbol table.
6912         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6913         parameter for a symbol table pointer.
6914         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6915         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6916         Ditto.
6917         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6918         parameter for a symbol table pointer.
6919
6920 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6921
6922         * incremental.cc (Incremental_inputs_header)
6923         (Incremental_inputs_header_write, Incremental_inputs_entry)
6924         (Incremental_inputs_entry_write): Move ...
6925         * incremental.h (Incremental_inputs_header)
6926         (Incremental_inputs_header_write, Incremental_inputs_entry)
6927         (Incremental_inputs_entry_write): here.
6928
6929 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6930
6931         * incremental.cc (make_sized_incremental_binary): Set the target.
6932         Error if it is incompatible.
6933         * output.h (Output_file): Add filename method.
6934
6935 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6936
6937         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6938         from the get_* methods.
6939
6940 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6941
6942         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6943         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6944         Write 0 for the data_offset of scripts.
6945
6946 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6947
6948         * testsuite/Makefile.am: Add the incremental_test.sh test.
6949         * testsuite/incremental_test.sh: New.
6950         * testsuite/incremental_test_1.c: New.
6951         * testsuite/incremental_test_2.c: New.
6952
6953 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6954
6955        * incremental-dump.cc (main): Fix typos.
6956
6957 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6958
6959         PR gold/11025
6960         * incremental-dump.cc (main): Use llu to print 64 bit values.
6961
6962 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6963             H.J. Lu  <hongjiu.lu@intel.com>
6964
6965         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6966         $(LIBDL).
6967         (incremental_dump_LDADD): Likewise.
6968         * Makefile.in: Regenerated.
6969
6970 2009-11-25  Doug Kwan  <dougkwan@google.com>
6971
6972         Revert:
6973
6974         2009-11-25  Doug Kwan  <dougkwan@google.com>
6975
6976                 * arm.cc (Target_arm::Target_arm): Move method definition
6977                 outside of class definition.  Add code to handle
6978                 --target1-rel, --target1-abs and --target2= options.
6979                 (Target_arm::get_reloc_reloc_type): Change method to be
6980                 non-static and const.
6981                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6982                 New data member declaration.
6983                 (Target_arm::Scan::local, Target_arm::Scan::global,
6984                 Target_arm::Relocate::relocate,
6985                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6986                 Adjust call to Target_arm::get_real_reloc_type.
6987                 (Target_arm::get_real_reloc_type): Use command line options
6988                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6989                 * options.h (--target1-rel, --target1-abs, --target2): New
6990                 ARM-only options.
6991
6992 2009-11-25  Doug Kwan  <dougkwan@google.com>
6993
6994         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6995         class definition.  Add code to handle --target1-rel, --target1-abs
6996         and --target2= options.
6997         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6998         and const.
6999         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7000         member declaration.
7001         (Target_arm::Scan::local, Target_arm::Scan::global,
7002         Target_arm::Relocate::relocate,
7003         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7004         call to Target_arm::get_real_reloc_type.
7005         (Target_arm::get_real_reloc_type): Use command line options to
7006         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7007         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7008         options.
7009
7010 2009-11-25  Doug Kwan  <dougkwan@google.com>
7011
7012         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7013         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7014         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7015         formatting.
7016         (Arm_relocate_functions::thm_call): Replace body with a call to
7017         Arm_relocate_functions::thumb_branch_common.
7018         (Arm_relocate_functions::thm_jump24,
7019         Arm_relocate_functions::thm_xpc22): New method definitions.
7020         (Arm_relocate_functions::thumb_branch_common): New method definition.
7021         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7022         operator.
7023         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7024         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7025
7026 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7027
7028         * Makefile.am: Build incremental-dump
7029         * Makefile.in: Regenerate.
7030         * incremental-dump.cc: New.
7031         * incremental.cc (Incremental_inputs_header_data,
7032         Incremental_inputs_entry_data): Move to incremental.h
7033         * incremental.h: (Incremental_inputs_header_data,
7034         Incremental_inputs_entry_data): Move from incremental.cc
7035
7036 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7037
7038         * incremental.cc (Incremental_inputs_header,
7039         Incremental_inputs_header_write, Incremental_inputs_entry,
7040         Incremental_inputs_entry_write): Add a typedef with the data type.
7041
7042 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7043
7044         * incremental.cc (Incremental_inputs_header,
7045         Incremental_inputs_header_write, Incremental_inputs_entry,
7046         Incremental_inputs_entry_write): Update comment about which
7047         type has the filed descriptions.
7048
7049 2009-11-15  Doug Kwan  <dougkwan@google.com>
7050
7051         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7052         (Arm_relocate_functions::arm_branch_common): Change method defintion
7053         in class definition to a method declaration and update list of formal
7054         parameters.
7055         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7056         Arm_relocation_functions::jump24): Adjust call to
7057         Arm_relocate_functions::arm_branch_common.  Update list of formal
7058         parameters.
7059         (Arm_relocate_functions::xpc25): New method definition.
7060         (Arm_relocate_functions::arm_branch_common): Move method defintion
7061         out from class definition.  Use stubs for mode-switching and extending
7062         branch ranges.
7063         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7064         specially.  Change code to enable use of stubs in ARM branches.
7065
7066 2009-11-10  Doug Kwan  <dougkwan@google.com>
7067
7068         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7069         in method declaration.
7070         (Target_arm::relocate_stub): New method declaration.
7071         (Target_arm::default_target): Change to return a pointer instead of
7072         a const reference.
7073         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7074         Target_arm::default_target.
7075         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7076         method definition.
7077         (Target_arm::relocate_section): Adjust view.
7078         (Target_arm::relocate_stub): New method definition.
7079
7080 2009-11-10  Doug Kwan  <dougkwan@google.com>
7081
7082         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7083         a format warning.
7084         * incremental.cc (open_incremental_binary): Initialized local
7085         variables to avoid warnings.
7086         * object.cc (make_elf_object): Ditto.
7087         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7088         a format warning.
7089
7090 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7091
7092         PR gold/10930
7093         * testsuite/plugin_test.c: Include "config.h".
7094
7095 2009-11-09  Doug Kwan  <dougkwan@google.com>
7096
7097         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7098         (arm_symbol_value): Remove.
7099         (Arm_relocate_functions::arm_branch_common,
7100         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7101         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7102         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7103         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7104         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7105         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7106         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7107         Arm_relocate_functions::thm_mobw_abs_nc,
7108         Arm_relocate_functions::thm_mov_abs,
7109         Arm_relocate_functions::movw_prel_nc,
7110         Arm_relocate_functions::thm_movt_abs,
7111         Arm_relocate_functions::movt_prel,
7112         Arm_relocate_functions::thm_movw_prel_nc,
7113         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7114         (Target_arm::Relocate::relocate): Only decompose address into two
7115         parts if relocation type uses the thumb-bit and pass the actual
7116         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7117         calls to methods in Arm_relocate_functions for this change.
7118
7119 2009-11-08  Ian Lance Taylor  <iant@google.com>
7120
7121         PR 10925
7122         * reloc.cc: Instantiate
7123         Sized_relobj::initialize_input_to_output_maps and
7124         Sized_relobj:free_input_to_output_maps.
7125
7126 2009-11-06  Ian Lance Taylor  <iant@google.com>
7127
7128         PR 10876
7129         * defstd.cc (in_segment): Set only_if_ref true for "end".
7130
7131 2009-11-06  Doug Kwan  <dougkwan@google.com>
7132
7133         * arm.cc (class Reloc_stub): Correct a comment.
7134         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7135         (Target_arm::scan_section_for_stubs): New method declaration.
7136         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7137         Change methods from private to protected.
7138         (Target_arm::do_may_relax): New method definition.
7139         (Target_arm::do_relax, Target_arm::group_sections,
7140         Target_arm::scan_reloc_for_stub,
7141         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7142         (Target_arm::arm_input_section_map_): New data member declaration.
7143         (Target_arm::scan_reloc_for_stub,
7144         Target_arm::scan_reloc_section_for_stubs,
7145         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7146         Target_arm::do_relax): New method definitions.
7147
7148 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7149
7150         * configure.ac: Check for (struct stat)::st_mtim
7151         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7152         * config.in: Regenerate.
7153         * configure: Regenerate.
7154
7155 2009-11-05  Ian Lance Taylor  <iant@google.com>
7156
7157         PR 10910
7158         * output.cc (Output_segment::add_output_section): Add missing
7159         return statement.
7160
7161 2009-11-04  Ian Lance Taylor  <iant@google.com>
7162
7163         PR 10880
7164         * object.h (class Object): Add is_needed and set_is_needed
7165         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7166         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7167         defined in a dynamic object and referenced by a regular object,
7168         set is_needed for the dynamic object.
7169         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7170         if the file is marked with as_needed and it is not needed.
7171
7172 2009-11-04  Ian Lance Taylor  <iant@google.com>
7173
7174         PR 10887
7175         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7176         tags if data is discarded by linker script.
7177         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7178         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7179         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7180         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7181
7182 2009-11-04  Ian Lance Taylor  <iant@google.com>
7183
7184         * layout.cc (Layout::get_output_section): Add is_interp and
7185         is_dynamic_linker_section parameters.  Change all callers.
7186         (Layout::choose_output_section): Likewise.
7187         (Layout::make_output_section): Likewise.
7188         (Layout::add_output_section_data): Add is_dynamic_linker_section
7189         parameter.  Change all callers.
7190         * layout.h (class Layout): Update declarations.
7191         * output.h (class Output_section): Add is_interp, set_is_interp,
7192         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7193         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7194         generate_code_fills_at_write_ to a bitfield.
7195         * output.cc (Output_section::Output_sections): Initialize new
7196         fields.
7197         (Output_segment::add_output_section): Add do_sort parameter.
7198         Change all callers.
7199
7200 2009-11-03  Ian Lance Taylor  <iant@google.com>
7201
7202         PR 10860
7203         * options.h (class General_options): Add --warn-common.
7204         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7205         merging two common symbols.
7206         (Symbol_table::should_override): Handle --warn-common when merging
7207         a common symbol with a defined symbol.  Use report_resolve_problem
7208         for multiple definitions.
7209         (Symbol_table::report_resolve_problem): New function.
7210         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7211
7212 2009-11-03  Doug Kwan  <dougkwan@google.com>
7213
7214         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7215         stub_factory_.
7216         (Target_arm::stub_factory): New method definition.
7217         (Target_arm::new_arm_input_section,
7218         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7219         Target_arm::reloc_uses_thumb_bit): New method declarations.
7220         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7221         New type definitions.
7222         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7223         member declarations.
7224         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7225         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7226         New method definitions.
7227
7228 2009-11-03  Ian Lance Taylor  <iant@google.com>
7229
7230         * options.h (class General_options): Add --warn_constructors.
7231
7232 2009-11-03  Ian Lance Taylor  <iant@google.com>
7233
7234         PR 10893
7235         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7236         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7237
7238 2009-11-03  Ian Lance Taylor  <iant@google.com>
7239
7240         PR 10895
7241         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7242         --msgid-bugs-address.
7243         (install-pdf): New target.
7244         (install-data_yes): Look up one directory to find mkinstalldirs.
7245
7246 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7247
7248         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7249         tree.
7250
7251 2009-10-30  Doug Kwan  <dougkwan@google.com>
7252
7253         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7254
7255 2009-10-30  Doug Kwan  <dougkwan@google.com>
7256
7257         * arm.cc (Stub_addend_reader): New struct template definition
7258         and partial specializations.
7259         (Stub_addend_reader::operator()): New method definition for a
7260         partially specialized template.
7261
7262 2009-10-30  Doug Kwan  <dougkwan@google.com>
7263
7264         * arm.cc (Arm_relobj::processor_specific_flags): New method
7265         definition.
7266         (Arm_relobj::do_read_symbols): New method declaration.
7267         (Arm_relobj::processor_specific_flags_): New data member declaration.
7268         (Arm_dynobj): New class definition.
7269         (Target_arm::do_finalize_sections): Add input_objects parameter.
7270         (Target_arm::do_adjust_elf_header): New method declaration.
7271         (Target_arm::are_eabi_versions_compatible,
7272         (Target_arm::merge_processor_specific_flags): New method declaration.
7273         (Target_arm::do_make_elf_object): New overloaded method definitions
7274         and declaration.
7275         (Arm_relobj::do_read_symbols): New method definition.
7276         (Arm_dynobj::do_read_symbols): Ditto.
7277         (Target_arm::do_finalize_sections): Add input_objects parameters.
7278         Merge processor-specific flags from all input objects.
7279         (Target_arm::are_eabi_versions_compatible,
7280         Target_arm::merge_processor_specific_flags,
7281         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7282         New method definitions.
7283         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7284         Input_objects pointer type parameter.
7285         * layout.cc (Layout::finalize): Pass input objects to target's.
7286         finalize_sections function.
7287         * output.cc (Output_file_header::do_sized_write): Set ELF file
7288         header's processor-specific flags.
7289         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7290         Input_objects pointer type parameter.
7291         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7292         * target.h (Input_objects): New forward class declaration.
7293         (Target::processor_specific_flags,
7294         Target::are_processor_specific_flags_sect): New method definitions.
7295         (Target::finalize_sections): Add input_objects parameter.
7296         (Target::Target): Initialize processor_specific_flags_ and
7297         are_processor_specific_flags_set_.
7298         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7299         parameter.
7300         (Target::set_processor_specific_flags): New method definition.
7301         (Target::processor_specific_flags_,
7302         Target::are_processor_specific_flags_set_): New data member
7303         declarations.
7304         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7305         Input_objects pointer type parameter.
7306
7307 2009-10-30  Doug Kwan  <dougkwan@google.com>
7308
7309         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7310
7311 2009-10-28  Ian Lance Taylor  <iant@google.com>
7312
7313         * object.h (class Relobj): Drop options parameter from
7314         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7315         do_scan_relocs, do_relocate.  Change all callers.
7316         (class Sized_relobj): Drop options parameters from
7317         do_gc_process_relocs, do_scan_relocs, do_relocate,
7318         do_relocate_sections, relocate_sections, emit_relocs_scan,
7319         emit_relocs_scan_reltype.  Change all callers.
7320         (struct Relocate_info): Remove options field and all references to
7321         it.
7322         * reloc.h (class Read_relocs): Remove options constructor
7323         parameter and options_ field.  Change all callers.
7324         (class Gc_process_relocs, class Scan_relocs): Likewise.
7325         (class Relocate_task): Likewise.
7326         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7327         all callers.
7328         (scan_relocatable_relocs): Likewise.
7329         * target.h (class Sized_target): Remove options parameter from
7330         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7331         all callers.
7332         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7333         callers.
7334         * arm.cc: Update functions to remove options parameters.
7335         * i386.cc: Likewise.
7336         * powerpc.cc: Likewise.
7337         * sparc.cc: Likewise.
7338         * x86_64.cc: Likewise.
7339         * testsuite/testfile.cc: Likewise.
7340
7341 2009-10-28  Doug Kwan  <dougkwan@google.com>
7342
7343         * arm.cc (Arm_relobj): New class definition.
7344         (Arm_relobj::scan_sections_for_stubs,
7345         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7346         New method definitions.
7347
7348 2009-10-28  Cary Coutant  <ccoutant@google.com>
7349
7350         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7351         (Plugin::cleanup_done_): New member.
7352         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7353         (Plugin_manager::cleanup_done_): Remove.
7354         (Plugin_manager::add_input_file): Edit error message.
7355         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7356         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7357
7358 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7359
7360         * fileread.cc: (File_read::View::~View): Use the new
7361         data_ownership_ filed.
7362         (File_read::~File_read): Dispose the new whole_file_view_.
7363         (File_read::open): Mmap the whole file if needed.
7364         (File_read::open): Use whole_file_view_ instead of contents_.
7365         (File_read::find_view): Use whole_file_view_ if applicable.
7366         (File_read::do_read): Use whole_file_view_ instead of contents_.
7367         (File_read::make_view): Use whole_file_view_ instead of contents_,
7368         update File_read::View::View call.
7369         (File_read::find_or_make_view): Update File_read::View::View
7370         call.
7371         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7372         remove contents_
7373         (File_read::View::Data_ownership): New enum.
7374         (File_read::View::View): Replace bool mapped_ with Data_ownership
7375         argument.
7376         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7377         (File_read::View::data_ownership_): New field.
7378         (File_read::contents_): Remove (replaced by whole_file_view_).
7379         (File_read::whole_file_view_): New field.
7380         * options.h (class General_options): Add --keep-files-mapped.
7381
7382 2009-10-27  Cary Coutant  <ccoutant@google.com>
7383
7384         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7385         * testsuite/Makefile.am (plugin_test_5): New test case.
7386         * testsuite/Makefile.in: Regenerate.
7387
7388 2009-10-25  Doug Kwan  <dougkwan@google.com>
7389
7390         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7391         from private to protected to allow access by child class.
7392         (Sized_relobj::do_relocate_sections): New method declaration.
7393         (Sized_relobj::relocate_sections): Virtualize.
7394         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7395         Sized_relobj::relocate_sections.  Instantiate template explicitly
7396         for different target sizes and endianity.
7397
7398 2009-10-24  Doug Kwan  <dougkwan@google.com>
7399
7400         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7401         (Arm_input_section::as_arm_input_section): New method.
7402         (Arm_output_section): New class definition.
7403         (Arm_output_section::create_stub_group,
7404         Arm_output_section::group_sections): New method definitions.
7405
7406 2009-10-22  Doug Kwan  <dougkwan@google.com>
7407
7408         * arm.cc (Arm_input_section): New class definition.
7409         (Arm_input_section::init, Arm_input_section:do_write,
7410         Arm_input_section::set_final_data_size,
7411         Arm_input_section::do_reset_address_and_file_offset): New method
7412         definitions.
7413
7414 2009-10-21  Doug Kwan  <dougkwan@google.com>
7415
7416         * arm.cc (Stub_table, Arm_input_section): New forward class
7417         declarations.
7418         (Stub_table): New class defintion.
7419         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7420         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7421         New method definition.
7422
7423 2009-10-21  Doug Kwan  <dougkwan@google.com>
7424
7425         * arm.cc: Update copyright comments.
7426         (Target_arm): New forward class template declaration.
7427         (Arm_address): New type.
7428         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7429         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7430         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7431         constants.
7432         (Insn_template): Same.
7433         (DEF_STUBS): New macro.
7434         (Stub_type): New enum type.
7435         (Stub_template): New class definition.
7436         (Stub): Same.
7437         (Reloc_stub): Same.
7438         (Stub_factory): Same.
7439         (Target_arm::Target_arm): Initialize may_use_blx_ and
7440         should_force_pic_veneer_.
7441         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7442         Target_arm::should_force_pic_veneer,
7443         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7444         Target_arm::using_thumb_only, Target_arm:;default_target): New
7445         method defintions.
7446         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7447         New data member declarations.
7448         (Insn_template::size, Insn_template::alignment): New method defintions.
7449         (Stub_template::Stub_template): New method definition.
7450         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7451         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7452         (Stub_factory::Stub_factory): New method definition.
7453         * gold.h (string_hash): New template.
7454         * output.h (Input_section_specifier::hash_value): Use
7455         gold::string_hash.
7456         (Input_section_specifier::string_hash): Remove.
7457         * stringpool.cc (Stringpool_template::string_hash): Use
7458         gold::string_hash.
7459
7460 2009-10-20  Doug Kwan  <dougkwan@google.com>
7461
7462         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7463         symbols of relaxed input sections.
7464         * output.h (Output_section::find_relaxed_input_section): Make
7465         method public.
7466
7467 2009-10-16  Doug Kwan  <dougkwan@google.com>
7468
7469         * dynobj.cc (Versions::Versions): Initialize version_script_.
7470         Only insert base version symbol definition for a shared object
7471         if version script defines any version versions.
7472         (Versions::define_base_version): New method definition.
7473         (Versions::add_def): Check that base version is not needed.
7474         (Versions::add_need): Define base version lazily.
7475         * dynobj.h (Versions::define_base_version): New method declaration.
7476         (Versions::needs_base_version_): New data member declaration.
7477         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7478         (check_DATA): Add no_version_test.stdout.
7479         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7480         New make rules.
7481         * testsuite/Makefile.in: Regenerate.
7482         * testsuite/no_version_test.c: New file.
7483         * testsuite/no_version_test.sh: Ditto.
7484
7485 2009-10-16  Doug Kwan  <dougkwan@google.com>
7486
7487         * expression.cc (class Segment_start_expression): New class definition.
7488         (Segment_start_expression::value): New method definition.
7489         (script_exp_function_segment_start): Return a new
7490         Segment_start_expression.
7491         * gold/script-c.h (script_saw_segment_start_expression): New function
7492         prototype.
7493         * script-sections.cc (Script_sections::Script_sections): Initialize
7494         SAW_SEGMENT_START_EXPRESSION_ to false.
7495         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7496         and -Tbbs options to specify section addresses if given in
7497         command line and no SEGMENT_START expression is seen in a script.
7498         * script-sections.h (Script_sections::saw_segment_start_expression,
7499         Script_sections::set_saw_segment_start_expression): New method
7500         definition.
7501         (Script_sections::saw_segment_start_expression_): New data member
7502         declaration.
7503         * script.cc (script_saw_segment_start_expression): New function.
7504         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7505         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7506         script_test_7.sh and script_test_8.sh.
7507         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7508         script_test_8.stdout.
7509         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7510         (script_test_6, script_test_6.stdout, script_test_7,
7511         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7512         * Makefile.in: Regenerate.
7513         * testsuite/script_test_6.sh: New file.
7514         * testsuite/script_test_6.t: Same.
7515         * testsuite/script_test_7.sh: Same.
7516         * testsuite/script_test_7.t: Same.
7517         * testsuite/script_test_8.sh: Same.
7518
7519 2009-10-16  Doug Kwan  <dougkwan@google.com>
7520
7521         * output.cc (Output_segment::set_section_list_address): Cast
7522         expressions to unsigned long long type to avoid format warnings.
7523
7524 2009-10-15  Ian Lance Taylor  <iant@google.com>
7525
7526         * script.cc (Script_options::add_symbol_assignment): Always add a
7527         dot assignment to script_sections_.
7528         * script-sections.cc (Script_sections::add_dot_assignment):
7529         Initialize if necessary.
7530
7531         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7532         program headers with no load segment if there is a linker script.
7533
7534         * layout.cc (Layout::set_segment_offsets): Align the file offset
7535         to the segment aligment for -N or -n with no load segment.
7536         * output.cc (Output_segment::add_output_section): Don't crash if
7537         the first section is a TLS section.
7538         (Output_segment::set_section_list_addresses): Print an error
7539         message if the address moves backward in a linker script.
7540         * script-sections.cc
7541         (Output_section_element_input::set_section_addresses): Don't
7542         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7543         (Orphan_output_section::set_section_addresses): Likewise.
7544
7545 2009-10-15  Doug Kwan  <dougkwan@google.com>
7546
7547         * layout.cc (Layout::finish_dynamic_section): Generate tags
7548         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7549         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7550         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7551
7552 2009-10-14  Ian Lance Taylor  <iant@google.com>
7553
7554         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7555         fields.
7556         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7557         data_shdr fields of relinfo.
7558         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7559         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7560         R_386_TLS_LDO_32, adjust based on section flags.
7561         (Target_i386::Relocate::fix_up_ldo): Remove.
7562
7563 2009-10-13  Ian Lance Taylor  <iant@google.com>
7564
7565         Add support for -pie.
7566         * options.h (class General_options): Add -pie and
7567         --pic-executable.
7568         (General_options::output_is_position_independent): Test -pie.
7569         (General_options::output_is_executable): Return true if not shared
7570         and not relocatable.
7571         (General_options::output_is_pie): Remove.
7572         * options.cc (General_options::finalize): Reject incompatible uses
7573         of -pie.
7574         * gold.cc (queue_middle_tasks): A -pie link is not static.
7575         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7576         * symtab.cc (Symbol::final_value_is_known): Return false if
7577         output_is_position_independent.
7578         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7579         output_is_position_independent.
7580         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7581         output_is_position_independent.
7582         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7583         output_is_position_independent.
7584         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7585         two_file_pie_test.
7586         (basic_pie_test.o, basic_pie_test): New targets.
7587         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7588         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7589         (two_file_pie_test): New target.
7590         * testsuite/Makefile.in: Rebuild.
7591         * README: Remove note saying that -pie is not supported.
7592
7593 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7594
7595         * options.h (class General_options): Add -init and -fini.
7596         * layout.cc (Layout::finish_dynamic_section): Emit
7597         given init and fini functions.
7598
7599 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7600
7601         * gc.h (gc_process_relocs): Check if icf is enabled using new
7602         function.
7603         * gold.cc (queue_initial_tasks): Likewise.
7604         (queue_middle_tasks): Likewise.
7605         * object.cc (do_layout): Likewise.
7606         * symtab.cc (is_section_folded): Likewise.
7607         * main.cc (main): Likewise.
7608         * reloc.cc (Read_relocs::run): Likewise.
7609         (Sized_relobj::do_scan_relocs): Likewise.
7610         * icf.cc (is_function_ctor_or_dtor): New function.
7611         (Icf::find_identical_sections): Check if function is ctor or dtor when
7612         safe icf is chosen.
7613         * options.h (General_options::icf): Change option to be an enum.
7614         (Icf_status): New enum.
7615         (icf_enabled): New method.
7616         (icf_safe_folding): New method.
7617         (set_icf_status): New method.
7618         (icf_status_): New variable.
7619         * (options.cc) (General_options::finalize): Set icf_status_.
7620         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7621         icf_test and icf_keep_unique_test to use the --icf enum flag.
7622         * testsuite/icf_safe_test.sh: New file.
7623         * testsuite/icf_safe_test.cc: New file.
7624
7625 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7626
7627         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7628         includes to gc.h and icf.h.
7629         * arm.cc: Include gc.h.
7630         * gold.cc: Likewise.
7631         * i386.cc: Likewise.
7632         * powerpc.cc: Likewise.
7633         * sparc.cc: Likewise.
7634         * x86_64.cc: Likewise.
7635         * gc.h: Include icf.h.
7636
7637 2009-10-11  Ian Lance Taylor  <iant@google.com>
7638
7639         * plugin.cc: Include "gold.h" before other header files.
7640
7641 2009-10-10  Chris Demetriou  <cgd@google.com>
7642
7643         * options.h (Input_file_argument::Input_file_type): New enum.
7644         (Input_file_argument::is_lib_): Replace with...
7645         (Input_file_argument::type_): New member.
7646         (Input_file_argument::Input_file_argument): Take Input_file_type
7647         'type' rather than boolean 'is_lib' as second argument.
7648         (Input_file_argument::is_lib): Use type_.
7649         (Input_file_argument::is_searched_file): New function.
7650         (Input_file_argument::may_need_search): Handle is_searched_file.
7651         * options.cc (General_options::parse_library): Support -l:filename.
7652         (General_options::parse_just_symbols): Update for Input_file_argument
7653         changes.
7654         (Command_line::process): Likewise.
7655         * archive.cc (Archive::get_file_and_offset): Likewise.
7656         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7657         * script.cc (read_script_file, script_add_file): Likewise.
7658         * fileread.cc (Input_file::Input_file): Likewise.
7659         (Input_file::will_search_for): Handle is_searched_file.
7660         (Input_file::open): Likewise.
7661         * readsyms.cc (Read_symbols::get_name): Likewise.
7662         * testsuite/Makefile.am (searched_file_test): New test.
7663         * testsuite/Makefile.in: Regenerate.
7664         * testsuite/searched_file_test.cc: New file.
7665         * testsuite/searched_file_test_lib.cc: New file.
7666
7667 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7668             Ian Lance Taylor  <iant@google.com>
7669
7670         * descriptor.cc: Include <cstdio> and "binary-io.h".
7671         (Descriptors::open): Open the files in binary mode always.
7672         * script.cc (Lex::get_token): Treat \r as whitespace.
7673
7674 2009-10-09  Ian Lance Taylor  <iant@google.com>
7675
7676         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7677
7678 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7679             Ian Lance Taylor  <iant@google.com>
7680
7681         * configure.ac: Check for readv function also.
7682         * fileread.cc (readv): Define if not HAVE_READV.
7683         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7684         does not exist.
7685         * config.in: Regenerate.
7686         * configure: Regenerate.
7687
7688 2009-10-09  Doug Kwan  <dougkwan@google.com>
7689
7690         * layout.cc (Layout::make_output_section): Call target hook to make
7691         ordinary output section.
7692         (Layout::finalize): Adjust parameter list of call the
7693         Target::may_relax().
7694         * layout.h (class Layout::section_list): New method.
7695         * merge.h (Output_merge_base::entsize): Change visibility to public.
7696         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7697         New methods.
7698         (Output_merge_string::do_is_string): New method.
7699         * object.cc (Sized_relobj::do_setup): renamed from
7700         Sized_relobj::set_up.
7701         * object.h (Sized_relobj::adjust_shndx,
7702         Sized_relobj::initializ_input_to_output_maps,
7703         Sized_relobj::free_input_to_output_maps): Change visibilities to
7704         protected.
7705         (Sized_relobj::setup): Virtualize.
7706         (Sized_relobj::do_setup): New method declaration.
7707         (Sized_relobj::invalidate_section_offset,
7708         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7709         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7710         * options.cc (parse_int): New function.
7711         * options.h (parse_int): New declaration.
7712         (DEFINE_int): New macro.
7713         (stub_group_size): New option.
7714         * output.cc (Output_section::Output_section): Initialize memebers
7715         merge_section_map_, merge_section_by_properties_map_,
7716         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7717         (Output_section::add_input_section): Handled deferred code-fill
7718         generation and remove an old comment.
7719         (Output_section::add_relaxed_input_section): New method definition.
7720         (Output_section::add_merge_input_section): Use merge section by
7721         properties map to speed to search.  Update merge section maps
7722         as appropriate.
7723         (Output_section::build_relaxation_map): New method definition.
7724         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7725         Same.
7726         (Output_section::relax_input_section): Renamed to
7727         Output_section::convert_input_sections_to_relaxed_sections and change
7728         interface to take a vector of pointers to relaxed sections.
7729         (Output_section::find_merge_section,
7730         Output_section::find_relaxed_input_section): New method definitions.
7731         (Output_section::is_input_address_mapped,
7732         Output_section::output_offset, Output_section::output_address):
7733         Use output section data maps to speed up searching.
7734         (Output_section::find_starting_output_address): Add comments.
7735         (Output_section::do_write,
7736         Output_section::write_to_postprocessing_buffer): Do code-fill
7737         generation as appropriate.
7738         (Output_section::get_input_sections): Invalidate relaxed input section
7739         map.
7740         (Output_section::restore_states): Adjust type of checkpoint .
7741         Invalidate relaxed input section map.
7742         * output.h (Output_merge_base): New class declaration.
7743         (Input_section_specifier): New class defintion.
7744         (class Output_relaxed_input_section) Change base class to
7745         Output_section_data_build.
7746         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7747         base class initializer.
7748         (Output_section::add_relaxed_input_section): New method declaration.
7749         (Output_section::Input_section): Change visibility to protected.
7750         (Output_section::Input_section::relobj,
7751         Output_section::Input_section::shndx): Handle relaxed input sections.
7752         Output_section::input_sections) Change visibility to protected.  Also
7753         define overload to return a non-const pointer.
7754         (Output_section::Merge_section_properties): New class defintion.
7755         (Output_section::Merge_section_by_properties_map,
7756         Output_section::Output_section_data_by_input_section_map,
7757         Output_section::Relaxation_map): New types.
7758         (Output_section::relax_input_section): Rename method to
7759         Output_section::convert_input_sections_to_relaxed_sections and change
7760         interface to take a vector of relaxed section pointers.
7761         (Output_section::find_merge_section,
7762         Output_section::find_relaxed_input_section,
7763         Output_section::build_relaxation_map,
7764         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7765         New method declarations.
7766         (Output_section::merge_section_map_
7767         Output_section::merge_section_by_properties_map_,
7768         Output_section::relaxed_input_section_map_,
7769         Output_section::is_relaxed_input_section_map_valid_,
7770         Output_section::generate_code_fills_at_write_): New data members.
7771         * script-sections.cc
7772         (Output_section_element_input::set_section_addresses): Call
7773         current_data_size and addralign methods of relaxed input sections.
7774         (Orphan_output_section::set_section_addresses): Call current_data_size
7775         and addralign methods of relaxed input sections.
7776         * symtab.cc (Symbol_table::compute_final_value): Extract template
7777         from the body of Symbol_table::sized_finalize_symbol.
7778         (Symbol_table::sized_finalized_symbol): Call
7779         Symbol_table::compute_final_value.
7780         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7781         (Symbol_table::compute_final_value): New templated method declaration.
7782         * target.cc (Target::do_make_output_section): New method defintion.
7783         * target.h (Target::make_output_section): New method declaration.
7784         (Target::relax): Add more parameters for input objects, symbol table
7785         and layout.  Adjust call to do_relax.
7786         (Target::do_make_output_section): New method declaration.
7787         (Target::do_relax): Add parameters for input objects, symbol table
7788         and layout.
7789
7790 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7791
7792         * pread.c: Include stdio.h.
7793
7794 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7795
7796         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7797         defined.
7798
7799 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7800
7801         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7802         Change read_shndx type to unsigned int.
7803         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7804         int.
7805         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7806         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7807         Change read_shndx type to unsigned int.
7808         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7809         int.
7810         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7811         * layout.cc (Layout::create_symtab_sections): Cast the result of
7812         local_symcount * symsize to off_t in the gold_assert.
7813
7814 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7815
7816         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7817         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7818         R_ARM_BASE_ABS.
7819         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7820         (Arm_relocate_functions::thm_abs5): New function.
7821         (Arm_relocate_functions::abs12): New function.
7822         (Arm_relocate_functions::abs16): New function.
7823         (Arm_relocate_functions::base_abs): New function.
7824         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7825         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7826         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7827         R_ARM_BASE_ABS.
7828         (Scan::global): Likewise.
7829         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7830         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7831         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7832         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7833         R_ARM_BASE_ABS.
7834
7835 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7836
7837         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7838         (Arm_relocate_functions::movt_prel): New function.
7839         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7840         (Arm_relocate_functions::thm_movt_prel): New function.
7841         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7842         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7843         (Scan::global, Relocate::relocate): Likewise.
7844         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7845
7846 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7847
7848         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7849         Incremental_checker.
7850         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7851         unsigned int.
7852         (class Incremental_inputs_header): New class.
7853         (Incremental_inputs_header_writer): Edit comment.
7854         (Incremental_inputs_entry): New class.
7855         (Incremental_inputs_entry_writer): Edit comment.
7856         (Sized_incremental_binary::do_find_incremental_inputs_section):
7857         Add *strtab_shndx parameter, fill it.
7858         (Sized_incremental_binary::do_check_inputs): New method.
7859         (Incremental_checker::can_incrementally_link_output_file): Use
7860         Sized_incremental_binary::check_inputs.
7861         (Incremental_inputs::report_command_line): Save command line in
7862         command_line_.
7863         * incremental.h:
7864         (Incremental_binary::find_incremental_inputs_section): New
7865         method.
7866         (Incremental_binary::do_find_incremental_inputs_section): Add
7867         strtab_shndx parameter.
7868         (Incremental_binary::do_check_inputs): New pure virtual method.
7869         (Sized_incremental_binary::do_check_inputs): Declare.
7870         (Incremental_checker::Incremental_checker): Add incremental_inputs
7871         parameter, use it to initialize incremental_inputs_.
7872         (Incremental_checker::incremental_inputs_): New field.
7873         (Incremental_checker::command_line): New method.
7874         (Incremental_checker::inputs): New method.
7875         (Incremental_checker::command_line_): New field.
7876
7877 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7878
7879         * incremental.cc: Include <cstdarg> and "target-select.h".
7880         (vexplain_no_incremental): New function.
7881         (explain_no_incremental): New function.
7882         (Incremental_binary::error): New method.
7883         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7884         method.
7885         (make_sized_incremental_binary): New function.
7886         (open_incremental_binary): New function.
7887         (can_incrementally_link_file): Add checks if output is ELF and has
7888         inputs section.
7889         * incremental.h: Include "elfcpp_file.h" and "output.h".
7890         (Incremental_binary): New class.
7891         (Sized_incremental_binary): New class.
7892         (open_incremental_binary): Declare.
7893         * object.cc (is_elf_object): Use
7894         elfcpp::Elf_recognizer::is_elf_file.
7895         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7896         * output.h (Output_file::filesize): New method.
7897
7898 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7899
7900         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7901         New function.
7902         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7903         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7904         function.
7905         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7906         function.
7907         (Arm_relocate_functions::movw_abs_nc): New function.
7908         (Arm_relocate_functions::movt_abs): New function.
7909         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7910         (Arm_relocate_functions::thm_movt_abs): New function.
7911         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7912         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7913         (Scan::global): Likewise.
7914         (Relocate::relocate): Likewise.
7915         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7916
7917 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7918
7919         * arm.cc (Arm_relocate_functions::got_prel) New function.
7920         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7921         (Relocate::relocate): Likewise.
7922         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7923
7924 2009-10-06  Ian Lance Taylor  <iant@google.com>
7925
7926         * options.h (class General_options): Define
7927         split_stack_adjust_size parameter.
7928         * object.h (class Object): Add uses_split_stack_ and
7929         has_no_split_stack_ fields.  Add uses_split_stack and
7930         has_no_split_stack accessor functions.  Declare
7931         handle_split_stack_section.
7932         (class Reloc_symbol_changes): Define.
7933         (class Sized_relobj): Define Function_offsets.  Declare
7934         split_stack_adjust, split_stack_adjust_reltype, and
7935         find_functions.
7936         * object.cc (Object::handle_split_stack_section): New function.
7937         (Sized_relobj::do_layout): Call handle_split_stack_section.
7938         * dynobj.cc (Sized_dynobj::do_layout): Call
7939         handle_split_stack_section.
7940         * reloc.cc (Sized_relobj::relocate_sections): Call
7941         split_stack_adjust for executable sections in split_stack
7942         objects.  Pass reloc_map to relocate_section.
7943         (Sized_relobj::split_stack_adjust): New function.
7944         (Sized_relobj::split_stack_adjust_reltype): New function.
7945         (Sized_relobj::find_functions): New function.
7946         * target-reloc.h: Include "object.h".
7947         (relocate_section): Add reloc_symbol_changes parameter.  Change
7948         all callers.
7949         * target.h (class Target): Add calls_non_split method.  Declare
7950         do_calls_non_split virtual method.  Declare match_view and
7951         set_view_to_nop.
7952         * target.cc: Include "elfcpp.h".
7953         (Target::do_calls_non_split): New function.
7954         (Target::match_view): New function.
7955         (Target::set_view_to_nop): New function.
7956         * gold.cc (queue_middle_tasks): Give an error if mixing
7957         split-stack and non-split-stack objects with -r.
7958         * i386.cc (Target_i386::relocate_section): Add
7959         reloc_symbol_changes parameter.
7960         (Target_i386::do_calls_non_split): New function.
7961         * x86_64.cc (Target_x86_64::relocate_section): Add
7962         reloc_symbol_changes parameter.
7963         (Target_x86_64::do_calls_non_split): New function.
7964         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7965         parameter.
7966         * powerpc.cc (Target_powerpc::relocate_section): Add
7967         reloc_symbol_changes parameter.
7968         * sparc.cc (Target_sparc::relocate_section): Add
7969         reloc_symbol_changes parameter.
7970         * configure.ac: Call AM_CONDITIONAL for the default target.
7971         * configure: Rebuild.
7972         * testsuite/Makefile.am (TEST_AS): New variable.
7973         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7974         (check_DATA): Add split_i386 and split_x86_64 files.
7975         (SPLIT_DEFSYMS): Define.
7976         (split_i386_[1234n].o): New targets.
7977         (split_i386_[124]): New targets.
7978         (split_i386_[1234r].stdout): New targets.
7979         (split_x86_64_[1234n].o): New targets.
7980         (split_x86_64_[124]): New targets.
7981         (split_x86_64_[1234r].stdout): New targets.
7982         (MOSTLYCLEANFILES): Add new executables.
7983         * testsuite/split_i386.sh: New file.
7984         * testsuite/split_x86_64.sh: New file.
7985         * testsuite/split_i386_1.s: New file.
7986         * testsuite/split_i386_2.s: New file.
7987         * testsuite/split_i386_3.s: New file.
7988         * testsuite/split_i386_4.s: New file.
7989         * testsuite/split_i386_n.s: New file.
7990         * testsuite/split_x86_64_1.s: New file.
7991         * testsuite/split_x86_64_2.s: New file.
7992         * testsuite/split_x86_64_3.s: New file.
7993         * testsuite/split_x86_64_4.s: New file.
7994         * testsuite/split_x86_64_n.s: New file.
7995         * testsuite/testfile.cc (Target_test): Update relocation_section
7996         function.
7997         * testsuite/Makefile.in: Rebuild.
7998
7999 2009-10-06  Ian Lance Taylor  <iant@google.com>
8000
8001         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8002         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8003         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8004         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8005         the address on ldo_addrs_.
8006         (Target_i386::Relocate::fix_up_ldo): New function.
8007
8008 2009-10-06   Rafael Espindola  <espindola@google.com>
8009
8010         * plugin.cc (add_input_library): New.
8011         (Plugin::load): Add add_input_library to tv.
8012         (Plugin_manager::add_input_file): Add the is_lib argument.
8013         (add_input_file): Update call to Plugin_manager::add_input_file.
8014         (add_input_library): New.
8015         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8016
8017 2009-09-30  Doug Kwan  <dougkwan@google.com>
8018
8019         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8020         symbol and call Symbol::may_need_copy_reloc to determine if
8021         a copy reloc is needed.
8022         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8023         nocopyreloc is given in command line.
8024         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8025         given in command line.
8026         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8027         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8028         of the removed Target_i386::may_need_copy_reloc.
8029         * options.h (copyreloc): New option with default value false.
8030         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8031         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8032         instead of the removed Target_powerpc::may_need_copy_reloc.
8033         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8034         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8035         instead of the removed Target_sparc::may_need_copy_reloc.
8036         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8037         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8038         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8039         instead of the removed Target_x86_64::may_need_copy_reloc.
8040
8041 2009-09-30  Ian Lance Taylor  <iant@google.com>
8042
8043         * object.h (class Object): Remove target_ field, and target,
8044         sized_target, and set_target methods.
8045         (Object::sized_target): Remove.
8046         (class Sized_relobj): Update declarations.  Remove sized_target.
8047         * object.cc (Sized_relobj::setup): Remove target parameter.
8048         Change all callers.
8049         (Input_objects::add_object): Don't do anything with the target.
8050         (make_elf_sized_object): Add punconfigured parameter.  Change all
8051         callers.  Set or test parameter target.
8052         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8053         Change all callers.
8054         * parameters.cc (Parameters::set_target): Change parameter type to
8055         be non-const.
8056         (Parameters::default_target): Remove.
8057         (set_parameters_target): Change parameter type to be non-const.
8058         (parameters_force_valid_target): New function.
8059         (parameters_clear_target): New function.
8060         * parameters.h (class Parameters): Update declarations.  Remove
8061         default_target method.  Add sized_target and clear_target
8062         methods.  Change target_ to be non-const.
8063         (set_parameters_target): Update declaration.
8064         (parameters_force_valid_target): Declare.
8065         (parameters_clear_target): Declare.
8066         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8067         as NULL if we aren't searching.
8068         (Add_symbols::run): Don't check for compatible target.
8069         * fileread.cc (Input_file::open_binary): Call
8070         parameters_force_valid_target.
8071         * gold.cc (queue_middle_tasks): Likewise.
8072         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8073         set_target on object.
8074         * dynobj.h (class Sized_dynobj): Update declarations.
8075         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8076         make_elf_object returns NULL.
8077         (Archive::include_member): Don't check whether object target is
8078         compatible.
8079         * output.cc (Output_section::add_input_section): Get target from
8080         parameters.
8081         (Output_section::relax_input_section): Likewise.
8082         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8083         parameters.
8084         (Sized_relobj::do_scan_relocs): Likewise.
8085         (Sized_relobj::relocate_sections): Likewise.
8086         * resolve.cc (Symbol_table::resolve): Likewise.
8087         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8088         parameter.  Change all callers.
8089         (Symbol_table::add_from_object): Get target from parameters.
8090         (Symbol_table::add_from_relobj): Don't check object target.
8091         (Symbol_table::add_from_dynobj): Likewise.
8092         (Symbol_table::define_special_symbol): Get target from
8093         parameters.
8094         * symtab.h (class Symbol_table): Update declaration.
8095         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8096         parameter.  Change all callers.  Clear parameter target.
8097         (Binary_test): Test target here.
8098         * testsuite/object_unittest.cc (gold_testsuite): Remove
8099         target_test_pointer parameter.  Change all callers.
8100         (Object_test): Test target here.
8101
8102 2009-09-26  Ian Lance Taylor  <iant@google.com>
8103
8104         * testsuite/initpri1.c: Don't try to use constructor priorities if
8105         compiling with gcc before 4.3.
8106
8107 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8108
8109         * testsuite/retain_symbols_file_test.sh (check_present): Change
8110         output file name to retain_symbols_file_test.stdout.
8111         (check_absent): Likewise.
8112
8113 2009-09-18  Craig Silverstein  <csilvers@google.com>
8114
8115         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8116         * options.cc: Include <cerrno> and <fstream>.
8117         (General_options::finalize): Parse -retain-symbols-file tag.
8118         * options.h: New flag.
8119         (General_options): New method should_retain_symbol, new
8120         variable symbols_to_retain.
8121         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8122         should_retain_symbol map.
8123         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8124         * testsuite/Makefile.in: Regenerate.
8125         * testsuite/retain_symbols_file_test.sh: New file.
8126
8127 2009-09-18  Nick Clifton  <nickc@redhat.com>
8128
8129         * po/es.po: Updated Spanish translation.
8130
8131 2009-09-17  Doug Kwan  <dougkwan@google.com>
8132
8133         * debug.h (DEBUG_RELAXATION): New constant.
8134         (DEBUG_ALL): Add DEBUG_RELAXATION.
8135         (debug_string_to_enum): Add relaxation debug option.
8136         * layout.cc
8137         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8138         Layout::Relaxation_debug_check::read_sections,
8139         Layout::Relaxation_debug_check::read_sections): New method definitions.
8140         (Layout::Layout): Initialize data members
8141         record_output_section_data_from_scrips_,
8142         script_output_section_data_list_ and relaxation_debug_check_.
8143         (Layout::save_segments, Layout::restore_segments,
8144         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8145         Layout::relaxation_loop_body): New method definitions.
8146         (Layout::finalize): Support relaxation.  Move section layout code to
8147         Layout::relaxation_loop_body.
8148         (Layout::set_asection_address_from_script): Move code for orphan
8149         section placement out.
8150         (Layout::place_orphan_sections_in_script): New method definition.
8151         * layout.h (Output_segment_headers, Output_file_header):
8152         New forward class declarations.
8153         (Layout::~Layout): Define.
8154         (Layout::new_output_section_data_from_script): New method definition.
8155         (Layout::place_orphan_sections_in_script): New method declaration.
8156         (Layout::Segment_states): New type declaration.
8157         (Layout::save_segments, Layout::restore_segments,
8158         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8159         Layout::relaxation_loop_body): New method declarations.
8160         (Layout::Output_section_data_list): New type declaration.
8161         (Layout::Relaxation_debug_check): New class definition.
8162         (Layout::record_output_section_data_from_script_,
8163         Layout::script_output_section_data_list_, Layout::segment_states_,
8164         Layout::relaxation_debug_check_): New data members.
8165         * output.cc: (Output_section_headers::do_size): New method definition.
8166         (Output_section_headers::Output_section_headers): Move size
8167         computation to Output_section_headers::do_size.
8168         (Output_segment_headers::do_size): New method definition.
8169         (Output_file_header::Output_file_header): Move size computation to
8170         Output_file_header::do_size and call it.
8171         (Output_file_header::do_size): New method definition.
8172         (Output_data_group::Output_data_group): Adjust call to
8173         Output_section_data.
8174         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8175         (Output_symtab_xindex::do_write): Add array bound check.
8176         (Output_section::Input_section::print_to_mapfile): Handle
8177         RELAXED_INPUT_SECTION_CODE.
8178         (Output_section::Output_section): Initialize data member checkpoint_.
8179         (Output_section::~Output_section): Delete checkpoint object pointed
8180         by checkpoint_.
8181         (Output_section::add_input_section): Always add an Input_section if
8182         relaxing.
8183         (Output_section::add_merge_input_section): Add assert.
8184         (Output_section::relax_input_section): New method definition.
8185         (Output_section::set_final_data_size): Set load address to zero for
8186         an unallocated section.
8187         (Output_section::do_address_and_file_offset_have_reset_values):
8188         New method definition.
8189         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8190         Handle relaxed input section.
8191         (Output_section::sort_attached_input_sections): Checkpoint input
8192         section list lazily.
8193         (Output_section::get_input_sections): Change type of input_sections to
8194         list of Simple_input_section pointers.  Checkpoint input section list
8195         lazily.  Also handle relaxed input sections.
8196         (Output_section::add_input_section_for_script): Take a reference to
8197         a Simple_input_section object instead of Relobj pointer and section
8198         index as parameter.  Handle relaxed input sections.
8199         (Output_section::save_states, Output_section::restore_states): New
8200         method definitions.
8201         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8202         (Output_data::is_data_size_fixed): New method definition.
8203         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8204         if it is fixed.
8205         (Output_data::address_and_file_offset_have_reset_values): New method
8206         definition.
8207         (Output_data::do_address_and_file_offset_have_reset_values): New method
8208         definition.
8209         (Output_data::set_data_size): Check that data size is not fixed.
8210         (Output_data::fix_data_size): New method definition.
8211         (Output_data::is_data_size_fixed_): New data member.
8212         (Output_section_headers::set_final_data_size): New method definition.
8213         (Output_section_headers::do_size): New method declaration.
8214         (Output_segment_headers::set_final_data_size): New method definition.
8215         (Output_segment_headers::do_size): New method declaration.
8216         (Output_file_header::set_final_data_size)::New method definition.
8217         (Output_file_header::do_size)::New method declaration.
8218         (Output_section_data::Output_section_data): Add new parameter
8219         is_data_size_fixed and use it to fix data size.
8220         (Output_data_const::Output_data_const): Adjust call to base class
8221         constructor and fix data size.
8222         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8223         base class constructor and fix data size.
8224         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8225         base class constructor and fix data size.
8226         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8227         class constructor and fix data size.
8228         (Output_data_group::set_final_data_size): New method definition.
8229         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8230         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8231         class constructor and fix data size.
8232         (Output_relaxed_input_section): New class definition.
8233         (Output_section::Simple_input_section): New class definition.
8234         (Output_section::get_input_sections): Adjust parameter list.
8235         (Output_section::add_input_section_for_script): Same.
8236         (Output_section::save_states, Output_section::restore_states,
8237         Output_section::do_address_and_file_offset_have_reset_values,
8238         (Output_section::Input_section::Input_section): Handle
8239         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8240         Output_relaxed_input_section.
8241         (Output_section::Input_section::is_input_section,
8242         Output_section::Input_section::set_output_section): Handle relaxed
8243         input section.
8244         (Output_section::Input_section::is_relaxed_input_section,
8245         Output_section::Input_section::output_section_data,
8246         Output_section::Input_section::relaxed_input_section): New method
8247         definitions.
8248         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8249         value.
8250         (Output_section::Input_section::u1_): Update comments.
8251         (Output_section::Input_section::u2_): Add new union member poris.
8252         (Output_section::Checkpoint_output_section): New classs definition.
8253         (Output_section::relax_input_section): New method declaration.
8254         (Output_section::checkpoint_): New data member.
8255         (Output_segment): Update comments.
8256         (Output_segment::Output_segment): Un-privatize copy constructor.
8257         (Output_segment::operator=): Un-privatize.
8258         * script-sections.cc (Output_section_element::Input_section_list):
8259         Change element type to Output_section::Simple_input_section.
8260         (Output_section_element_dot_assignment::set_section_addresses):
8261         Register output section data for relaxation clean up.
8262         (Output_data_exression::Output_data_expression): Adjust call to base
8263         constructor to fix data size.
8264         (Output_section_element_data::set_section_addresses): Register
8265         Output_data_expression object for relaxation clean up.
8266         (struct Input_section_info): Replace Relobj pointer and section index
8267         pair with Output_section::Simple_input_section and Convert struct to a
8268         class.
8269         (Input_section_sorter::operator()): Adjust access to
8270         Input_section_info data member to use accessors.
8271         (Output_section_element_input::set_section_addresses): Use layout
8272         parameter.  Adjust code to use Output_section::Simple_input_section
8273         and Input_secction_info classes.  Register filler for relaxation
8274         clean up.
8275         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8276         and section index pair with Output_section::Simple_input_section
8277         class.  Adjust code accordingly.
8278         (Phdrs_element::release_segment): New method definition.
8279         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8280         segment list.
8281         (Script_sections::release_segments): New method definition.
8282         * gold/script-sections.h (Script_sections::release_segments): New
8283         method declaration.
8284         * gold/target.h (Target::may_relax, Target::relax,
8285         Target::do_may_relax, Target::do_relax): New method definitions.
8286
8287 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8288
8289         * arm.cc (has_signed_unsigned_overflow): New function.
8290         (Arm_relocate_functions::abs8): New function.
8291         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8292         (Target_arm::Scan::global): Likewise.
8293         (Target_arm::relocate::relocate): Likewise.
8294         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8295         Likewise.
8296
8297 2009-09-16  Cary Coutant  <ccoutant@google.com>
8298
8299         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8300         * testsuite/Makefile.in: Regenerate.
8301
8302 2009-09-11  Nick Clifton  <nickc@redhat.com>
8303
8304         * po/gold.pot: Updated by the Translation project.
8305
8306 2009-09-08  Cary Coutant  <ccoutant@google.com>
8307
8308         * output.cc (Output_file::open): Add execute permission to empty file.
8309         * testsuite/Makefile.am (permission_test): New test.
8310         * testsuite/Makefile.in: Regenerate.
8311
8312 2009-09-02  Ian Lance Taylor  <iant@google.com>
8313
8314         * output.cc (Output_file::resize): Call map_no_anonymous rather
8315         than map.
8316
8317 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8318
8319         * gold.cc: Include "incremental.h".
8320         (queue_initial_tasks): Call Incremental_checker methods.
8321         * incremental.cc: Include "output.h".
8322         (Incremental_checker::can_incrementally_link_output_file): New
8323         method.
8324         * incremental.h (Incremental_checker): New class.
8325
8326         * output.cc (Output_file::open_for_modification): New method.
8327         (Output_file::map_anonymous): Changed return type to bool.  Record
8328         map in base_ field.
8329         (Output_file::map_no_anonymous): New method, broken out of map.
8330         (Output_file::map): Use map_no_anonymous and map_anonymous.
8331         * output.h (class Output_file): Update declarations.
8332
8333 2009-08-24  Cary Coutant  <ccoutant@google.com>
8334
8335         * options.h (Command_line::Pre_options): New class.
8336         (Command_line::pre_options): New member.
8337         * options.cc (gold::options::ready_to_register): New variable.
8338         (One_option::register_option): Do nothing if not registering options.
8339         Assert if same short option registered twice.
8340         (General_options::General_options): Turn off option registration when
8341         done constructing.
8342         (Command_line::Pre_options::Pre_options): New constructor.
8343
8344 2009-08-24  Cary Coutant  <ccoutant@google.com>
8345
8346         * options.h (General_options::no_keep_memory): Remove incorrect
8347         short option.
8348
8349 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8350
8351         * Makefile.am (am__skiplex, am__skipyacc): New.
8352         * Makefile.in: Regenerate.
8353
8354 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8355
8356         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8357         (INCLUDES): ... this.
8358         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8359         (AM_CPPFLAGS): Renamed from ...
8360         (INCLUDE): ... this.
8361         * Makefile.in, testsuite/Makefile.in: Regenerate.
8362
8363         * Makefile.in: Regenerate.
8364         * aclocal.m4: Likewise.
8365         * config.in: Likewise.
8366         * configure: Likewise.
8367         * testsuite/Makefile.in: Likewise.
8368
8369         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8370         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8371         * Makefile.in: Regenerate.
8372         * testsuite/Makefile.in: Regenerate.
8373
8374 2009-08-19  Cary Coutant  <ccoutant@google.com>
8375
8376         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8377         symbols in shared libraries overridden by hidden or internal symbols
8378         in the main program.
8379
8380 2009-08-19  Chris Demetriou  <cgd@google.com>
8381
8382         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8383         checking source file names in error messages.
8384
8385 2009-08-18  Doug Kwan  <dougkwan@google.com>
8386
8387         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8388         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8389         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8390         an elfcpp::Ehdr as parameter.
8391         * object.cc (Object::set_target): Remove the version that looks up
8392         a target and sets it.
8393         (Sized_relobj::setup): Take a Target object instead of
8394         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8395         (make_elf_sized_object): Find target and ask target to
8396         make an ELF object.
8397         * object.h: (Object::set_target): Remove the version that looks up
8398         a target and sets it.
8399         (Sized_relobj::setup): Take a Target object instead of
8400         an elfcpp:Ehdr as parameter.
8401         * target.cc: Include dynobj.h.
8402         (Target::do_make_elf_object_implementation): New.
8403         (Target::do_make_elf_object): New.
8404         * target.h (Target::make_elf_object): New template declaration.
8405         (Target::do_make_elf_object): New method declarations.
8406         (Target::do_make_elf_object_implementation): New template declaration.
8407
8408 2009-08-14  Ian Lance Taylor  <iant@google.com>
8409
8410         * gold.h (FUNCTION_NAME): Define.
8411         (gold_unreachable): Use FUNCTION_NAME.
8412
8413 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8414
8415         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8416         symbol in the --keep-unique list is not found.
8417
8418 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8419
8420         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8421         been maked as --keep-unique.
8422         (Icf::unfold_section): New function.
8423         * icf.h (Icf::unfold_section): New function.
8424         * options.h (General_options::keep_unique): New option.
8425         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8426         * testsuite/Makefile.in: Regenerate.
8427         * testsuite/icf_keep_unique_test.sh: New file.
8428         * testsuite/icf_keep_unique_test.cc: New file.
8429
8430 2009-08-12  Cary Coutant  <ccoutant@google.com>
8431
8432         PR 10471
8433         * resolve.cc (Symbol_table::resolve): Check for references from
8434         dynamic objects to hidden and internal symbols.
8435         * testsuite/Makefile.am (hidden_test.sh): New test.
8436         * testsuite/Makefile.in: Regenerate.
8437         * testsuite/hidden_test.sh: New script.
8438         * testsuite/hidden_test_1.c: New test source.
8439         * testsuite/hidden_test_main.c: New test source.
8440
8441 2009-08-11  Doug Kwan  <dougkwan@google.com>
8442
8443         * arm.cc: Update comments.
8444         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8445         segment to locate the .ARM.exidx section if present.
8446
8447 2009-08-09  Doug Kwan  <dougkwan@google.com>
8448
8449         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8450         patch.
8451
8452 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8453         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8454         compiler warnings.
8455
8456 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8457
8458         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8459         valid tls_segment only for non-debug-section relocations.
8460         * testsuite/Makefile.am: Add gc_tls_test.
8461         * testsuite/Makefile.in: Regenerate.
8462         * testsuite/gc_tls_test.cc: New file.
8463         * testsuite/gc_tls_test.sh: New file.
8464
8465 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8466
8467         * icf.cc: New file.
8468         * icf.h: New file.
8469         * Makefile.am (CCFILES): Add icf.cc.
8470         (HFILES): Add icf.h
8471         * Makefile.in: Regenerate.
8472         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8473         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8474         section, symbol and addend information for the relocs.
8475         * gold.cc (queue_middle_tasks): Call identical code folding.
8476         * gold.h: Add defines for multimap.
8477         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8478         to the call of finalize_local_symbols.
8479         * main.cc (main): Create object of class Icf.
8480         * object.cc (Sized_relobj::do_layout): Allow this function to be
8481         called twice during icf.
8482         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8483         to sections marked as identical by icf.
8484         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8485         when available.
8486         (Sized_relobj::do_section_entsize): New function.
8487         * object.h (Object::section_entsize): New function.
8488         (Object::do_section_entsize): New pure virtual function.
8489         (Relobj::finalize_local_symbols): Add new parameter.
8490         (Relobj::do_section_entsize): New function.
8491         * options.h (General_options::icf): New option.
8492         (General_options::icf_iterations): New option.
8493         (General_options::print_icf_sections): New option.
8494         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8495         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8496         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8497         icf.
8498         * symtab.cc (Symbol_table::is_section_folded): New function.
8499         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8500         to sections marked as identical by icf.
8501         * symtab.h (Symbol_table::set_icf): New function.
8502         (Symbol_table::icf): New function.
8503         (Symbol_table::is_section_folded): New function.
8504         (Symbol_table::icf_): New data member.
8505         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8506         * testsuite/Makefile.am: Add commands to build icf_test.
8507         * testsuite/Makefile.in: Regenerate.
8508         * testsuite/icf_test.sh: New file.
8509         * testsuite/icf_test.cc: New file.
8510
8511 2009-07-24  Chris Demetriou  <cgd@google.com>
8512
8513         * layout.cc (is_compressible_debug_section): Fix incorrect
8514         comment about compressed section names.
8515
8516 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8517
8518         PR 10419
8519         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8520
8521 2009-07-16  Ian Lance Taylor  <iant@google.com>
8522
8523         PR 10400
8524         * layout.h: #include <map>.
8525         (class Kept_section): Change from struct to class.  Add accessors
8526         and setters.  Add section size to Comdat_group mapping.  Change
8527         Comdat_group to std::map.  Add is_comdat_ field.  Add
8528         linkonce_size field in union.
8529         (class Layout): Update declaration of find_or_add_kept_section.
8530         Don't declare find_kept_object.
8531         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8532         parameter.  Add object, shndx, is_comdat, and is_group_name
8533         parameters.  Change all callers.  Adjust for new Kept_section.
8534         (Layout::find_kept_object): Remove.
8535         * object.cc (Sized_relobj::include_section_group): Update use of
8536         Kept_section.  Rename secnum to shndx.  Only record
8537         Kept_comdat_section if sections are the same size.
8538         (Sized_relobj::include_linkonce_section): Update use of
8539         Kept_section.  Only record Kept_comdat_section if sections are the
8540         same size.  Set size of linkonce section.
8541         (Sized_relobj::map_to_kept_section): Update call to
8542         get_kept_comdat_section.
8543         * object.h (class Sized_relobj): Rename fields in
8544         Kept_comdat_section to drop trailing underscores; change object
8545         field to Relobj*.  Change Kept_comdat_section_table to store
8546         struct rather than pointer.
8547         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8548         Add kept_object and kept_shndx parameters.  Change all callers.
8549         (Sized_relobj::get_kept_comdat_section): Change return type to
8550         bool.  Add kept_object and kept_shndx parameters.  Change all
8551         callers.
8552         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8553         Layout::find_or_add_kept_section.
8554
8555 2009-07-09  Ian Lance Taylor  <iant@google.com>
8556
8557         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8558         Reserve space in the hash table.
8559
8560 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8561
8562         * fileread.cc (File_read::get_mtime): New method.
8563         * fileread.h (Timespec): New structure.
8564         (File_read::get_mtime): New method.
8565         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8566         Renamed from timestamp_nsec.
8567         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8568         Elf_Xword.
8569         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8570         timestamp_nsec.
8571         (Incremental_inputs::report_archive): Save mtime; style fix.
8572         (Incremental_inputs::report_obejct): Save mtime; style fix.
8573         (Incremental_inputs::report_script): Save mtime; style fix.
8574         (Incremental_inputs::finalize_inputs): Style fix.
8575         (Incremental_inputs::finalize): Style fix.
8576         (Incremental_inputs::create_input_section_data): Store inputs
8577         mtime.
8578         * incremental.h (Incremental_inputs::report_script): Add mtime
8579         argument.
8580         (Incremental_inputs::Input_info::Input_info): Intialize only one
8581         union member.
8582         (Incremental_inputs::Input_info::archive): Move to nameless
8583         union.
8584         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8585         (Incremental_inputs::Input_info::script): Move to nameless union.
8586         (Incremental_inputs::mtime): New field.
8587         * script.cc (read_input_script): Pass file mtime to
8588         Incremental_input.
8589         * script.h (Script_info::inputs): Style fix.
8590
8591 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8592
8593         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8594         instead of 32.
8595
8596 2009-06-24  Ian Lance Taylor  <iant@google.com>
8597
8598         PR 10156
8599         * layout.cc (Layout::choose_output_section): If we find an
8600         existing section, update the flags.
8601         (Layout::create_notes): New function, broken out of
8602         Layout::finalize.
8603         (Layout::finalize): Don't create note sections.
8604         (Layout::create_note): Don't crash if linker script discards
8605         section.
8606         (Layout::create_gold_note): Likewise.
8607         (Layout::create_build_id): Likewise.  Don't set
8608         after_input_sections on the section.
8609         (Layout::create_executable_stack_info): Remove target parameter.
8610         Change caller.
8611         * layout.h (class Layout): Declare create_notes.  Update
8612         declaration of create_executable_stack_info.
8613         * gold.cc (queue_middle_tasks): Call create_notes.
8614         * output.cc (Output_section::update_flags_for_input_section): Move
8615         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8616         invalid.
8617         * output.h (Output_data::mark_address_invalid): New function.
8618         (class Output_section): Only declare, not define,
8619         update_flags_for_input_section.  Remove set_flags.
8620
8621 2009-06-24  Ian Lance Taylor  <iant@google.com>
8622
8623         * script-sections.cc (Output_section_definition::
8624         set_section_addresses): Rename shadowing local load_address to
8625         laddr.
8626
8627 2009-06-24  Ian Lance Taylor  <iant@google.com>
8628
8629         PR 10244
8630         * reloc.cc (relocate_sections): Skip empty relocation sections.
8631
8632 2009-06-23  Ian Lance Taylor  <iant@google.com>
8633
8634         PR 10156
8635         * layout.cc (Layout::create_note): Use choose_output_section
8636         rather than make_output_section.
8637
8638 2009-06-23  Ian Lance Taylor  <iant@google.com>
8639
8640         PR 10237
8641         * options.cc (General_options::parse_V): Set printed_version_.
8642         (General_options::General_options): Initialize printed_version_.
8643         * options.h (class General_options): Add printed_version_ field.
8644         * gold.cc (queue_initial_tasks): If there are no input files,
8645         don't give a fatal error if we printed the version information.
8646         (queue_middle_tasks): If using -r with a shared object, give a
8647         fatal error rather than an ordinary error.
8648
8649 2009-06-23  Ian Lance Taylor  <iant@google.com>
8650
8651         PR 10219
8652         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8653         (Layout::make_output_section): Set have_stabstr_section_ if we see
8654         a .stab*str section.
8655         (Layout::finalize): Call link_stabs_sections.
8656         (Layout::link_stabs_sections): New file.
8657         * layout.h (class Layout): Add have_stabstr_section_ field.
8658         Declare link_stabs_sections.
8659
8660 2009-06-23  Doug Kwan  <dougkwan@google.com>
8661
8662         * Makefile.am (libgold_a_LIBADD): New.
8663         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8664         * Makefile.in: Regenerate.
8665         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8666         * configure: Regenerate.
8667         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8668         * fileread.cc: Include sys/state.h
8669         * gold.h: Declare memmem and strndup if found missing.
8670         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8671
8672 2009-06-23  Ian Lance Taylor  <iant@google.com>
8673
8674         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8675         * configure: Rebuild.
8676
8677 2009-06-23  Ian Lance Taylor  <iant@google.com>
8678
8679         PR 10147
8680         * object.cc (Object::section_contents): Don't try to get a view if
8681         the section has length zero.
8682         (Object::handle_gnu_warning_section): If the section is empty, use
8683         the name of the section as the warning.
8684
8685 2009-06-23  Ian Lance Taylor  <iant@google.com>
8686
8687         PR 10133
8688         * stringpool.h (class Stringpool_template): Add optimize_ field.
8689         (Stringpool_template::set_optimize): New function.
8690         * stringpool.cc (Stringpool_template::Stringpool_template):
8691         Initialize optimize_ field.
8692         (Stringpool_template::set_string_offsets): Test local optimize
8693         fild rather than parameter.
8694         * layout.cc (Layout::Layout): Call set_optimize on the section
8695         name stringpool.
8696
8697 2009-06-22  Ian Lance Taylor  <iant@google.com>
8698
8699         PR 10030
8700         * yyscript.y: Parse TARGET.
8701         * script.cc (script_set_target): New function.
8702         * script-c.h (script_set_target): Declare.
8703         * options.cc (General_options::string_to_object_format): Rename
8704         from string_to_object_format in anonymous namespace.  Change
8705         callers.
8706         * options.h (class General_options): Declare
8707         string_to_object_format.
8708
8709 2009-06-22  Ian Lance Taylor  <iant@google.com>
8710
8711         * script-sections.cc (Script_sections::create_segments): Don't put
8712         program headers in a PT_LOAD segment if -n or -N.
8713
8714 2009-06-22  Ian Lance Taylor  <iant@google.com>
8715
8716         PR 10141
8717         * options.h (class General_options): Add -z lazy and -z now.  Sort
8718         -z options into alphabetical order.
8719         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8720
8721 2009-06-21  Ian Lance Taylor  <iant@google.com>
8722
8723         * layout.cc (Layout::make_output_section): Call
8724         Target::new_output_section.
8725         (Layout::attach_allocated_section_to_segment): Put large section
8726         sections in a separate load segment with the large segment flag
8727         set.
8728         (Layout::segment_precedes): Sort large data segments after other
8729         load segments.
8730         (align_file_offset): New static function.
8731         (Layout::set_segment_offsets): Use align_file_offset.
8732         * output.h (class Output_section): Add is_small_section_ and
8733         is_large_section_ fields.
8734         (Output_section::is_small_section): New function.
8735         (Output_section::set_is_small_section):  New function.
8736         (Output_section::is_large_section): New function.
8737         (Output_section::set_is_large_section): New function.
8738         (Output_section::is_large_data_section): New function.
8739         (class Output_segment): Add is_large_data_segment_ field.
8740         (Output_segment::is_large_data_segment): New function.
8741         (Output_segment::set_is_large_data_segment): New function.
8742         * output.cc (Output_section::Output_section): Initialize new
8743         fields.
8744         (Output_segment::Output_segment): Likewise.
8745         (Output_segment::add_output_section): Add assertion that large
8746         data sections always go in large data segments.  Force small data
8747         sections to the end of the list of data sections.  Force small BSS
8748         sections to the start of the list of BSS sections.  For large BSS
8749         sections to the end of the list of BSS sections.
8750         * symtab.h (class Symbol): Declare is_common_shndx.
8751         (Symbol::is_defined): Check Symbol::is_common_shndx.
8752         (Symbol::is_common): Likewise.
8753         (class Symbol_table): Define enum Commons_section_type.  Update
8754         declarations.  Add small_commons_ and large_commons_ fields.
8755         * symtab.cc (Symbol::is_common_shndx): New function.
8756         (Symbol_table::Symbol_table): Initialize new fields.
8757         (Symbol_table::add_from_object): Put small and large common
8758         symbols in the right list.
8759         (Symbol_table::sized_finalized_symbol): Check
8760         Symbol::is_common_shndx.
8761         (Symbol_table::sized_write_globals): Likewise.
8762         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8763         common symbol lists.  Don't call do_allocate_commons_list if the
8764         list is empty.
8765         (Symbol_table::do_allocate_commons_list): Remove is_tls
8766         parameter.  Add comons_section_type parameter.  Change all
8767         callers.  Handle small and large common symbols.
8768         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8769         Symbol::is_common_shndx.
8770         * resolve.cc (symbol_to_bits): Likewise.
8771         * target.h (Target::small_common_shndx): New function.
8772         (Target::small_common_section_flags): New function.
8773         (Target::large_common_shndx): New function.
8774         (Target::large_common_section_flags): New function.
8775         (Target::new_output_section): New function.
8776         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8777         small_common_section_flags, and large_common_section_flags
8778         fields.
8779         (Target::do_new_output_section): New virtual function.
8780         * arm.cc (Target_arm::arm_info): Initialize new fields.
8781         * i386.cc (Target_i386::i386_info): Likewise.
8782         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8783         Likewise.
8784         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8785         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8786         (Target_x86_64::do_new_output_section): New function.
8787         * configure.ac: Define conditional MCMODEL_MEDIUM.
8788         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8789         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8790         (large_LDFLAGS): Define.
8791         * testsuite/large.c: New file.
8792         * testsuite/testfile.cc (Target_test::test_target_info):
8793         Initialize new fields.
8794         * configure, testsuite/Makefile.in: Rebuild.
8795
8796 2009-06-05  Doug Kwan  <dougkwan@google.com>
8797
8798         * Makefile.am (CCFILES): Add target.cc.
8799         * Makefile.in: Regenerate.
8800         * i386.cc (class Target_i386): Define new virtual method to
8801         override do_is_local_label_name in parent.
8802         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8803         local symbols if --discard-locals or -X is given.
8804         * options.h (class General_options): Declare new options
8805         '--discard-locals' and '-X' for discarding locals.
8806         * target.h (class Target): Define new methods is_local_label_name.
8807         Declare new virtual method do_is_local_label_name.
8808         * target.cc: New file.
8809         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8810         (check_SCRIPTS): Add discard_locals_test.sh.
8811         (check_DATA): Add discard_local_tests.syms.
8812         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8813         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8814         * testsuite/Makefile.in: Regenerate.
8815         * testsuite/discard_locals_test.c: New file.
8816         * testsuite/discard_locals_test.sh: Same.
8817
8818 2009-06-05  Doug Kwan  <dougkwan@google.com>
8819
8820         * object.cc (Sized_relobj::Sized_relobj): Initialize
8821         discarded_eh_frame_shndx_ to -1U.
8822         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8823         section.
8824         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8825         a discarded .eh_frame section.
8826         (Sized_relobj::do_finalize_local_symbols): Ditto.
8827         * object.h (class Sized_relobj): Declare new member
8828         discarded_eh_frame_shndx_.
8829         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8830         (local_labels_test.o, local_labels_test): New rules.
8831         * testsuite/Makefile.in: Regenerate.
8832
8833 2009-06-04  Doug Kwan  <dougkwan@google.com>
8834
8835         * layout.cc (Layout::section_name_mapping): Add mapping for
8836         special ARM sections.
8837
8838 2009-06-03  Doug Kwan  <dougkwan@google.com>
8839
8840         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8841         (utils::has_overflow): Same.
8842
8843 2009-06-03  Ian Lance Taylor  <iant@google.com>
8844
8845         * layout.cc (Layout::section_name_mapping): New array, replacing
8846         Layout::linkonce_mapping.
8847         (Layout::section_name_mapping_count): New variable, replacing
8848         Layout::linkonce_mapping_count.
8849         (Layout::linkonce_output_name): Remove.
8850         (Layout::output_section_name): Rewrite.
8851         * layout.h (class Layout): Rename Linkonce_mapping to
8852         Section_name_mapping, linkonce_mapping to section_name_mapping,
8853         linkonce_mapping_count to section_name_mapping_count.  Don't
8854         declare linkonce_output_name.
8855
8856 2009-06-03  Doug Kwan  <dougkwan@google.com>
8857
8858         * gold/arm.cc (namespace utils): New.
8859         (Target_arm::reloc_is_non_pic): Define new method.
8860         (class Arm_relocate_functions): New.
8861         (Target_arm::Relocate::relocate): Handle relocation types used by
8862         Android.
8863
8864 2009-06-03  Ian Lance Taylor  <iant@google.com>
8865
8866         * arm.cc (Target_arm::scan::global): Use || instead of |.
8867
8868 2009-06-02  Doug Kwan  <dougkwan@google.com>
8869
8870         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8871         issued_non_pic_error_.
8872         (class Target_arm::Scan): Declare new method check_non_pic.
8873         Define new method symbol_needs_plt_entry.
8874         Declare new data member issued_non_pic_error_.
8875         (class Target_arm::Relocate): Declare new method
8876         should_apply_static_reloc.
8877         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8878         (Target_arm::Scan::check_non_pic): Define new method.
8879         (Target_arm::Scan::local): Handle a small subset of reloc types used
8880         by Android.
8881         (Target_arm::Scan::local): Same.
8882         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8883
8884 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8885
8886         * incremental.cc (Incremental_inputs::report_command_line): Filter
8887         out --incremental-* options.
8888
8889 2009-05-29  Doug Kwan  <dougkwan@google.com>
8890
8891         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8892         template class.
8893         (class Target_arm): Update comment.
8894         (Target_arm::Target_arm): Initialize new data members GOT_,
8895         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8896         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8897         and Target_arm::rel_dyn_section.
8898         Declare new_enum Target_arm::Got_type.
8899         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8900         and DYNBSS_.
8901         Update commments for member do_dynsym_value.
8902         (Target_arm::got_size, Target_arm::plt_section,
8903         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8904         new methods inside class defintion.
8905         (Target_arm::got_section): Define new method.
8906         (Target_arm::rel_dyn_section): Same.
8907         (Output_data_plt_arm): New template class.
8908         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8909         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8910         (Output_data_plt_arm::add_entry): Same.
8911         (Output_data_plt_arm::first_plt_entry): Define new
8912         static data member for PLT instruction template.
8913         (Output_data_plt_arm::plt_entry): Same.
8914         (Output_data_plt_arm::do_write): Define new method.
8915         (Target_arm::make_plt_entry): Same.
8916         (Target_arm::do_finalize_sections): Same.
8917         (Target_arm::do_dynsym_value): Same.
8918
8919 2009-05-28  Doug Kwan  <dougkwan@google.com>
8920
8921         * Makefile.am (TARGETSOURCES): Add arm.cc.
8922         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8923         * Makefile.in: Regenerate.
8924         * arm.cc: New file.
8925         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8926
8927 2009-05-26  Doug Kwan  <dougkwan@google.com>
8928
8929         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8930         (General_options::check_excluded_libs): Strip off directories in
8931         archive name before matching like GNU ld does.
8932         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8933         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8934         (exclude_libs_test_LDFLAGS): Add linker option
8935         -Wl,--exclude-libs,libexclude_libs_test_3
8936         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8937         an explicit archive without using -l.
8938         (alt/libexclude_libs_test_3.a): New make rule.
8939         * testsuite/Makefile.in: Regenerate.
8940         * testsuite/exclude_libs_test.c : Declare lib3_default().
8941         (main): Call it.
8942         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8943         * exclude_libs_test_3.c: New file.
8944
8945 2009-05-26  Nick Clifton  <nickc@redhat.com>
8946
8947         * po/id.po: New Indonesian translation.
8948         * po/gold.pot: Updated template file.
8949
8950 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8951
8952         * testsuite/Makefile.am: Add -ffunction-sections to compile
8953         gc_comdat_test files.  Add -Wl,--gc-sections to build
8954         gc_comdat_test.
8955         * testsuite/Makefile.in: Regenerate.
8956         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8957
8958 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8959
8960         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8961         kept comdat section was garbage collected.
8962         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8963         * testsuite/Makefile.in: Regenerate.
8964         * testsuite/gc_comdat_test.sh: New file.
8965         * testsuite/gc_comdat_test_1.cc: New file.
8966         * testsuite/gc_comdat_test_2.cc: New file.
8967
8968 2009-05-19  Doug Kwan  <dougkwan@google.com>
8969
8970         * archive.cc (Archive::Archive): Move constructor from archive.h
8971         to here.  Initialize no_export_.
8972         (Archive::get_elf_object_for_member): Set no_export flag of object.
8973         * archive.h (Archive::Archive): Move constructor body to
8974         archive.cc.
8975         (Archive::no_export): New method.
8976         (Archive::no_export_): New field.
8977         * object.h (Object::Object): Initialize no_export_ to false.
8978         (Object::no_export, Object::set_no_export): New methods.
8979         (Object::no_export_): New field.
8980         * options.cc (General_options::parse_exclude_libs): New method.
8981         (General_options::check_excluded_libs) Same.
8982         * options.h (exclude_libs): New option.
8983         (General_options::check_excluded_libs): New method declaration.
8984         (General_options::excluded_libs_): New field.
8985         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8986         default or protected visibility if an object has no-export flag set.
8987         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8988         (check_SCRIPTS): Add exclude_libs_test.sh.
8989         (check_DATA): Add exclude_libs_test.syms.
8990         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8991         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8992         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8993         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8994         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8995         libexclude_libs_test_2.a): New rules.
8996         * testsuite/Makefile.in: Regenerate.
8997         * testsuite/exclude_libs_test.c: New file.
8998         * testsuite/exclude_libs_test.sh: Ditto.
8999         * testsuite/exclude_libs_test_1.c: Ditto.
9000         * testsuite/exclude_libs_test_2.c: Ditto.
9001
9002 2009-05-15  Ian Lance Taylor  <iant@google.com>
9003
9004         * configure.ac: Check for declarations for cases where libiberty.h
9005         checks HAVE_DECL_xxx.
9006         * configure, config.in: Rebuild.
9007
9008 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9009
9010         * gold.h (Incremental_argument_list): Remove (invalid) forward
9011         declaration.
9012         * incremental.cc (Incremental_inputs::report_achive): New method.
9013         (Incremental_inputs::report_object): New method.
9014         (Incremental_inputs::report_script): New method.
9015         (Incremental_inputs::finalize_inputs): New method.
9016         (Incremental_inputs::finalize): Call finalize_inputs().
9017         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9018         Create inputs entries.
9019         * incremental.h (Incremental_input_type): New enum.
9020         (Incremental_inputs::Incremental_input): Initialize new fields.
9021         (Incremental_inputs::report_inputs): New method.
9022         (Incremental_inputs::report_achive): New method.
9023         (Incremental_inputs::report_object): New method.
9024         (Incremental_inputs::report_script): New method.
9025         (Incremental_inputs::finalize_inputs): New method.
9026         (Incremental_inputs::Input_info): New struct.
9027         (Incremental_inputs::Input_info_map): New typedef.
9028         (Incremental_inputs::lock_): New field.
9029         (Incremental_inputs::Inputs_): New field.
9030         (Incremental_inputs::Inputs_map): New field.
9031         * main.cc (main): Call Incremental_input::report_inputs.
9032         * options.h (Input_argument_list): Typedef moved from
9033         Input_arguments.
9034         (Input_file_group::Files): Remove, use ::Input_argument_list.
9035         (Input_file_group::Input_argument_list): Remove, use
9036         ::Input_argument_list.
9037         * plugin.cc (Plugin_manager::add_input_file): Add error in
9038         incremental build.
9039         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9040         functions.
9041         * script.cc (read_input_script): Call
9042         Incremental_input::report_script.
9043         * script.h (Script_info): New class.
9044
9045 2009-04-27  Ian Lance Taylor  <iant@google.com>
9046
9047         * x86_64.cc (do_adjust_output_section): Set entsize to
9048         plt_entry_size.
9049
9050 2009-04-23  Elliott Hughes  <enh@google.com>
9051
9052         * output.cc (Output_file::close): After short writes, continue
9053         writing from the correct offset in the buffer being written.
9054
9055 2009-04-23  Chris Demetriou  <cgd@google.com>
9056
9057         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9058         * configure: Regenerate.
9059         * config.in: Regenerate.
9060         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9061         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9062
9063 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9064
9065         * incremental.cc (Incremental_inputs_header_data): Renamed from
9066         Incremental_input_header_data.
9067         (Incremental_inputs_header_data::data_size): New field.
9068         (Incremental_inputs_header_data::put_input_file_count): Renamed
9069         from input_file_count.
9070         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9071         from command_line_offset.
9072         (Incremental_inputs_header_data::put_reserved): Renamed from
9073         put_reserved.
9074         (Incremental_inputs_entry_data): Renamed from
9075         Incremental_input_entry_data.
9076         (Incremental_inputs_entry_data::data_size): New field.
9077         (Incremental_inputs::report_command_line): New method.
9078         (Incremental_inputs::finalize): New method.
9079         (Incremental_inputs::create_incremental_inputs_data): New method.
9080         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9081         * incremental.h: New file.
9082         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9083        (Layout::finalize): Create incremental inputs section in
9084         incremental builds.
9085        (Layout::create_incremental_info_sections): New method.
9086         * layout.h (Layout::incremental_inputs): New method.
9087        (Layout::create_incremental_info_sections): New method.
9088        (Layout::incremental_inputs_): New field.
9089         * main.cc (main): Notify Incremental_input of the command line.
9090
9091 2009-04-01  Ian Lance Taylor  <iant@google.com>
9092             Mikolaj Zalewski  <mikolajz@google.com>
9093
9094         * gold.h (reserve_unordered_map): Define, three versions, one for
9095         each version of Unordered_map.
9096         * layout.cc (Layout::Layout): Remove options parameter.  Add
9097         number_of_input_files parameter.  Don't initialize options_.
9098         Initialize number_of_input_files_ and resized_signatures_.  Move
9099         sections_are_attached_.
9100         (Layout::layout_group): Reserve space for group_signatures_.
9101         (Layout::find_or_add_kept_section): Change name parameter to be a
9102         reference.  Resize signatures_ map when it gets large enough.
9103         (Layout::layout_eh_frame): Use parameters->options() instead of
9104         this->options_.
9105         (Layout::make_output_section): Likewise.
9106         (Layout::attach_allocated_section_to_segment): Likewise.
9107         (Layout::finalize, Layout::create_executable_stack): Likewise.
9108         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9109         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9110         * layout.h (class Layout): Update declarations.  Remove options_
9111         field.  Add number_of_input_files_ and resized_signatures_
9112         fields.  Move sections_are_attached_ field.
9113         * main.cc (main): Pass number of input files to Layout
9114         constructor.  Don't pass options.
9115
9116 2009-03-30  Ian Lance Taylor  <iant@google.com>
9117
9118         * ffsll.c (ffsll): Correct implementation.
9119
9120 2009-03-27  Ian Lance Taylor  <iant@google.com>
9121
9122         * ffsll.c: New file.
9123         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9124         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9125         * ftruncate.c (ftruncate): Declare before definition.
9126         * mremap.c (mremap): Likewise.
9127         * pread.c (pread): Likewise.
9128         * configure, Makefile.in, config.in: Rebuild.
9129
9130         * mremap.c: New file.
9131         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9132         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9133         (mremap): Declare if HAVE_MREMAP is not defined.
9134         * configure, Makefile.in, config.in: Rebuild.
9135
9136 2009-03-27  Cary Coutant  <ccoutant@google.com>
9137
9138         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9139         position independent.
9140         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9141         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9142
9143 2009-03-24  Cary Coutant  <ccoutant@google.com>
9144
9145         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9146         an executable.
9147         (needs_dynamic_reloc): Likewise.
9148
9149 2009-03-24  Ian Lance Taylor  <iant@google.com>
9150
9151         * yyscript.y (file_cmd): Recognize EXTERN.
9152         (extern_name_list, extern_name_list_body): New nonterminals.
9153         * script.cc (script_add_extern): Define.
9154         * script-c.h (script_add_extern): Declare.
9155
9156 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9157
9158         * object.cc (is_elf_object): Define.
9159         * object.h (is_elf_object): Declare.
9160         * archive.cc (Archive::get_elf_object_for_member): Call
9161         is_elf_object.
9162         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9163
9164 2009-03-24  Elliott Hughes  <enh@google.com>
9165
9166         * output.cc (Output_file::map_anonymous): Define.
9167         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9168         try an anonymous one.  Report the size if the mmap fails.
9169         * output.h (class Output_file): Declare map_anonymous.
9170
9171 2009-03-24  Ian Lance Taylor  <iant@google.com>
9172
9173         * target-select.cc (instantiate_target): Don't acquire the lock if
9174         the instantiated_target_ field has already been set.
9175
9176 2009-03-23  Ian Lance Taylor  <iant@google.com>
9177
9178         * gold-threads.h (class Initialize_lock): Define.
9179         * gold-threads.cc (class Initialize_lock_once): Define.
9180         (initialize_lock_control): New static variable.
9181         (initialize_lock_pointer): New static variable.
9182         (initialize_lock_once): New static function.
9183         (Initialize_lock::Initialize_lock): Define.
9184         (Initialize_lock::initialize): Define.
9185         * target-select.h: Include "gold-threads.h".
9186         (class Target_selector): Add lock_ and initialize_lock_ fields.
9187         Don't define instantiate_target, just declare it.
9188         * target-select.cc (Target_selector::Target_selector): Initialize
9189         new fields.
9190         (Target_selector::instantiate_target): Define.
9191         * descriptors.h: Include "gold-threads.h".
9192         (class Descriptors): Add initialize_lock_ field.
9193         * descriptors.cc (Descriptors::Descriptors): Initialize new
9194         field.
9195         (Descriptors::open): Use initialize_lock_ field
9196         * errors.h (class Errors): Add initialize_lock_ field.
9197         * errors.cc (Errors::Errors): Initialize new field.
9198         (Errors::initialize_lock): Use initialize_lock_ field.
9199         * powerpc.cc (class Target_selector_powerpc): Remove
9200         instantiated_target_ field.  In do_recognize call
9201         instantiate_target rather than do_instantiate_target.  In
9202         do_instantiate_target just allocate a new target.
9203         * sparc.cc (class Target_selector_sparc): Likewise.
9204
9205         * freebsd.h: New file.
9206         * i386.cc: Include "freebsd.h".
9207         (Target_i386): Derive from Target_freebsd rather than
9208         Sized_target.
9209         (Target_selector_i386): Derive from Target_selector_freebsd rather
9210         than Target_selector.
9211         * x86_64.cc: Include "freebsd.h".
9212         (Target_x86_64): Derive from Target_freebsd rather than
9213         Sized_target.
9214         (Target_selector_x86_64): Derive from Target_selector_freebsd
9215         rather than Target_selector.
9216         * target.h (class Target): Add adjust_elf_header and
9217         do_adjust_elf_header.
9218         * output.cc (Output_file_header:: do_sized_write): Call target
9219         adjust_elf_header routine.
9220         * configure.tgt: Set targ_osabi.
9221         * configure.ac: Define GOLD_DEFAULT_OSABI.
9222         * parameters.cc (Parameters::default_target): Pass
9223         GOLD_DEFAULT_OSABI to select_target.
9224         * target-select.h (class Target_selector): Make instantiate_target
9225         protected rather than private.
9226         * Makefile.am (HFILES): Add freebsd.h.
9227         * configure, Makefile.in, config.in: Rebuild.
9228
9229         * merge.cc (do_add_input_section): Correct pend value.  Change
9230         message about last entry not being null terminated from error to
9231         warning.
9232
9233 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9234
9235         * incremental.cc: New file.
9236         * Makefile.am (CCFILES): Add incremental.cc.
9237         * Makefile.in: Rebuild.
9238
9239 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9240
9241         * layout.cc (Layout::output_section_name): Preserve names
9242         of '.note.' sections.
9243
9244 2009-03-19  Ian Lance Taylor  <iant@google.com>
9245
9246         * descriptors.cc (Descriptors::open): Check that the options are
9247         valid before using them.
9248
9249 2009-03-18  Ian Lance Taylor  <iant@google.com>
9250
9251         * script-sections.h: Include <list>.
9252         (class Script_sections): Change Sections_elements from std::vector
9253         to std::list.  Typedef public Elements_iterator.  Add
9254         orphan_section_placement_, data_segment_align_start_, and
9255         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9256         field.
9257         * script-sections.cc (class Orphan_section_placement): New class.
9258         (class Sections_element): Add virtual functions is_relro and
9259         orphan_section_init.  Remove virtual function place_orphan_here.
9260         (class Output_section_definition): Add is_relro and
9261         orphan_section_init.  Remove place_orphan_here.
9262         (class Orphan_output_section): Likewise.
9263         (Script_sections::Script_sections): Update for field changes.
9264         (Script_sections::data_segment_align): Set saw_data_segment_align_
9265         and data_segment_align_start_, not data_segment_align_index.
9266         (Script_sections::data_segment_relro_end): Check
9267         saw_data_segment_align_.  Use data_segment_align_start_ rather
9268         than data_segment_align_index_.
9269         (Script_sections::place_orphan): Rewrite to use
9270         Orphan_section_placement.
9271
9272 2009-03-17  Ian Lance Taylor  <iant@google.com>
9273
9274         * archive.cc (Archive::add_symbols): Check for a version attached
9275         to the symbol name in the archive map.
9276         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9277         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9278         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9279         (ver_test_11.a): New target.
9280         * testsuite/Makefile.in: Rebuild.
9281
9282         * configure.ac: Check for chsize and posix_fallocate.  Replace
9283         ftruncate.
9284         * ftruncate.c: New file, from gnulib.
9285         * output.cc (posix_fallocate): Define dummy version if not
9286         HAVE_POSIX_FALLOCATE.
9287         (Output_file::map): Call posix_fallocate rather than lseek and
9288         write.
9289         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9290         * configure, Makefile.in, config.in: Rebuild.
9291
9292 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9293
9294         * layout.h (Layout::create_note): Add section_name parameter.
9295         * layout.cc (Layout::create_note): Likewise.
9296         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9297
9298 2009-03-17  Ian Lance Taylor  <iant@google.com>
9299
9300         * descriptors.cc: Include "options.h".
9301         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9302         (Descriptors::open): Always use O_CLOEXEC when opening a new
9303         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9304         then set FD_CLOEXEC.
9305
9306         * sparc.cc (class Target_sparc): Add has_got_section.
9307         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9308         make sure we have a GOT section.
9309
9310         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9311         (Target_sparc::Scan::local): Likewise.
9312         (Target_sparc::Scan::global): Likewise.
9313         (Target_sparc::Relocate::relocate): Likewise.
9314         (Target_sparc::Relocate::relocate_tls): Likewise.
9315
9316         * symtab.cc (Symbol_table::define_default_version): New function,
9317         broken out of add_from_object.
9318         (Symbol_table::add_from_object): Call define_default_version.
9319         (Symbol_table::define_special_symbol): Add resolve_oldsym
9320         parameter.  Change all callers.  If the version for a symbol comes
9321         from a version script, resolve it with the symbol with the same
9322         name with no version.  Also add the symbol without a version if
9323         appropriate.
9324         (do_define_in_output_data): If resolving with oldsym, don't delete
9325         sym.
9326         (do_define_in_output_segment): Likewise.
9327         (do_define_as_constant): Likewise.
9328         * symtab.h (class Symbol_table): Update declarations.
9329
9330 2009-03-13  Ian Lance Taylor  <iant@google.com>
9331
9332         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9333         (Read_symbols::requeue): New function.
9334         (Read_symbols::do_read_symbols): If make_elf_object fails because
9335         the target type is not configured, and the file was searched for,
9336         issue a warning and retry with the next directory.
9337         (Add_symbols::run): If the file has an incompatible format, and
9338         it was searched for, requeue the Read_symbols task.  On error,
9339         release the object.
9340         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9341         dirindex parameter to constructor.  Change all callers.  Declare
9342         incompatible_warning and requeue.
9343         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9344         input_argument_ and input_group_ fields.  Add them to
9345         constructor.  Change all callers.
9346         (class Read_script): Add dirindex_ field.  Add it to constructor.
9347         Change all callers.
9348         * archive.cc (Archive::setup): Remove input_objects parameter.
9349         Change all callers.
9350         (Archive::get_file_and_offset): Likewise.
9351         (Archive::read_all_symbols): Likewise.
9352         (Archive::read_symbols): Likewise.
9353         (Archive::get_elf_object_for_member): Remove input_objects
9354         parameter.  Add punconfigured parameter.  Change all callers.
9355         (Archive::add_symbols): Change return type to bool.  Check return
9356         value of include_member.
9357         (Archive::include_all_members): Likewise.
9358         (Archive::include_member): Change return type to bool.  Return
9359         false if first included object has incompatible target.  Set
9360         included_member_ field.
9361         (Add_archive_symbols::run): If add_symbols returns false, requeue
9362         Read_symbols task.
9363         * archive.h (class Archive): Add included_member_ field.
9364         Initialize it in constructor.  Add input_file and searched_for
9365         methods.  Update declarations.
9366         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9367         input_argument_ fields.  Add them to constructor.  Change all
9368         callers.
9369         * script.cc: Include "target-select.h".
9370         (class Parser_closure): Add skip_on_incompatible_target_ and
9371         found_incompatible_target_ fields.  Add
9372         skip_on_incompatible_target parameter to constructor.  Change all
9373         callers.  Add methods skip_on_incompatible_target,
9374         clear_skip_on_incompatible_target, found_incompatible_target, and
9375         set_found_incompatible_target.
9376         (read_input_script): Add dirindex parameter.  Change all callers.
9377         If parser finds an incompatible target, requeue Read_symbols
9378         task.
9379         (script_set_symbol): Clear skip_on_incompatible_target in
9380         closure.
9381         (script_add_assertion, script_parse_option): Likewise.
9382         (script_start_sections, script_add_phdr): Likewise.
9383         (script_check_output_format): New function.
9384         * script.h (read_input_script): Update declaration.
9385         * script-c.h (script_check_output_format): Declare.
9386         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9387         (ignore_cmd): Remove OUTPUT_FORMAT.
9388         * fileread.cc (Input_file::Input_file): Add explicit this.
9389         (Input_file::will_search_for): New function.
9390         (Input_file::open): Add pindex parameter.  Change all callers.
9391         * fileread.h (class Input_file): Add input_file_argument method.
9392         Declare will_search_for.  Update declarations.
9393         * object.cc (make_elf_object): Add punconfigured parameter.
9394         Change all callers.
9395         * object.h (class Object): Make input_file public.  Add
9396         searched_for method.
9397         (make_elf_object): Update declaration.
9398         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9399         restart search.
9400         * dirsearch.h (class Dirsearch): Update declaration.
9401         * options.h (class General_options): Add --warn-search-mismatch.
9402         * parameters.cc (Parameters::is_compatible_target): New function.
9403         * parameters.h (class Parameters): Declare is_compatible_target.
9404         * workqueue.cc (Workqueue::add_blocker): New function.
9405         * workqueue.h (class Workqueue): Declare add_blocker.
9406
9407         * fileread.cc (Input_file::open): Remove options parameter.
9408         Change all callers.
9409         (Input_file::open_binary): Likewise.
9410         * script.cc (read_input_script): Likewise.
9411         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9412         options parameter from constructor.  Change all callers.
9413         (class Read_script): Likewise.
9414         * fileread.h (class Input_file): Update declarations.
9415         * script.h (read_input_script): Update declaration.
9416
9417 2009-03-10  Nick Clifton  <nickc@redhat.com>
9418
9419         * po/es.po: New Spanish translation.
9420
9421 2009-03-06  Cary Coutant  <ccoutant@google.com>
9422
9423         * options.cc (parse_short_option): Keep dash_z from registering itself.
9424
9425 2009-03-03  Ian Lance Taylor  <iant@google.com>
9426
9427         PR 9918
9428         * target-reloc.h (relocate_section): Pass output_section to
9429         relocate.
9430         * i386.cc (Target_i386::should_apply_static_reloc): Add
9431         output_section parameter.  Change all callers.
9432         (Target_i386::Relocate::relocate): Add output_section parameter.
9433         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9434         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9435         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9436         * testsuite/two_file_shared.sh: New script.
9437         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9438         (check_DATA): Add two_file_shared.dbg.
9439         (two_file_shared.dbg): New target.
9440         * testsuite/Makefile.in: Rebuild.
9441
9442 2009-03-01  Ian Lance Taylor  <iant@google.com>
9443
9444         * configure.ac: Check for byteswap.h.
9445         * configure: Rebuild.
9446         * config.in: Rebuild.
9447
9448 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9449
9450         * layout.cc (Layout::find_or_add_kept_section): New function.
9451         (Layout::add_comdat): Removed.
9452         * layout.h (struct Kept_section): Move out of class Layout.
9453         Remove trailing underscores from field names.  Add group_sections
9454         field.  Rename group_ field to is_group.  Change all uses.
9455         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9456         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9457         comdat_groups_ field.
9458         (Sized_relobj::include_section_group): Use
9459         find_or_add_kept_section and Kept_section::group_sections.
9460         (Sized_relobj::include_linkonce_section): Likewise.
9461         * object.cc (class Sized_relobj): Don't define Comdat_group or
9462         Comdat_group_table.  Remove find_comdat_group and
9463         add_comdat_group.  Remove comdat_groups_ field.
9464         * plugin.cc (include_comdat_group): Use
9465         Layout::find_or_add_kept_section.
9466
9467 2009-02-28  Ian Lance Taylor  <iant@google.com>
9468
9469         * README: --gc-sections and map files are now supported.  Document
9470         some build requirements.
9471
9472         PR 6992
9473         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9474         relocatable link set the value of the section symbol to zero.
9475         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9476         relocatable link don't include the section address in the local
9477         symbol value.
9478
9479 2009-02-27  Ian Lance Taylor  <iant@google.com>
9480
9481         PR 6811
9482         * options.h (class Search_directory): Add is_system_directory.
9483         (class General_options): Declare is_in_system_directory.
9484         * options.cc (get_relative_sysroot): Make static.
9485         (get_default_sysroot): Make static.
9486         (General_optoins::is_in_system_directory): New function.
9487         * fileread.cc (Input_file::is_in_system_directory): New function.
9488         * fileread.h (class Input_file): Declare is_in_system_directory.
9489         * object.h (class Object): Add is_in_system_directory.
9490         (class Input_objects): Remove system_library_directory_ field.
9491         * object.cc (Input_objects::add_object): Don't set
9492         system_library_directory_.
9493         (input_objects::found_in_system_library_directory): Remove.
9494         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9495         parameter.  Change all callers.
9496         (Symbol_table::sized_write_globals): Likewise.
9497         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9498         Call Object::is_in_system_directory.
9499         * symtab.h (class Symbol_table): Update declarations.
9500
9501         PR 5990
9502         * descriptors.h (Open_descriptor): Add is_on_stack field.
9503         * descriptors.cc (Descriptors::open): If the descriptor is on the
9504         top of the stack, remove it.  Initialize is_on_stack field.
9505         (Descriptors::release): Only add pod to stack if it is not on the
9506         stack already.
9507         (Descriptors::close_some_descriptor): Clear stack_next and
9508         is_on_stack fields.
9509
9510         PR 7091
9511         * output.cc (Output_section::find_starting_output_address): Rename
9512         from starting_output_address; add PADDR parameter; change return
9513         type.
9514         * output.h (class Output_section): Declare
9515         find_starting_output_address instead of starting_output_address.
9516         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9517         section symbol for which we can't find a merge section.
9518
9519         PR 9836
9520         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9521         hidden or internal, force the symbol to be local.
9522         * resolve.cc (Symbol::override_visibility): Define.
9523         (Symbol::override_base): Use override_visibility.
9524         (Symbol_table::resolve): Likewise.
9525         (Symbol::override_base_with_special): Likewise.
9526         (Symbol_table::override_with_special): If the visibility is hidden
9527         or internal, force the symbol to be local.
9528         * symtab.h (class Symbol): Add set_visibility and
9529         override_visibility.
9530         * testsuite/ver_test_1.sh: New file.
9531         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9532         (check_DATA): Add ver_test_1.syms.
9533         (ver_test_1.syms): New target.
9534         * testsuite/Makefile.in: Rebuild.
9535
9536 2009-02-25  Cary Coutant  <ccoutant@google.com>
9537
9538         * layout.cc (Layout::choose_output_section): Don't rename sections
9539         when using a linker script that has a SECTIONS clause.
9540         * Makefile.in: Regenerate.
9541
9542         * testsuite/Makefile.am (script_test_5.sh): New test case.
9543         * testsuite/Makefile.in: Regenerate.
9544         * testsuite/script_test_5.cc: New file.
9545         * testsuite/script_test_5.sh: New file.
9546         * testsuite/script_test_5.t: New file.
9547
9548 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9549
9550         * archive.cc (Archive::include_member): Update calls to add_symbols.
9551         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9552         the Layout argument.
9553         * dynobj.h (do_add_symbols): Add the Layout argument.
9554         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9555         Layout argument.
9556         * object.h (Object::add_symbols): Add the Layout argument.
9557         (Object::do_add_symbols): Add the Layout argument.
9558         (Sized_relobj::do_add_symbols): Add the Layout argument.
9559         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9560         Unify the two versions.
9561         (Add_plugin_symbols): Remove.
9562         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9563         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9564         (Add_plugin_symbols): Remove.
9565         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9566         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9567         (Add_symbols::run): Make it work with Pulginobj.
9568
9569 2009-02-06  Ian Lance Taylor  <iant@google.com>
9570
9571         * object.cc (Sized_relobj::do_layout): Make info message start
9572         with lower case letter.
9573
9574 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9575
9576         * binary.cc: Fix file comment.
9577
9578         * options.h (enum Incremental_disposition): Define.
9579         (class General_options): Add new options: --incremental,
9580         --incremental_changed, --incremental_unchanged,
9581         --incremental_unknown.  Add incremental_disposition_ and
9582         implicit_incremental_ fields.
9583         (General_options::incremental_disposition): New function.
9584         (class Position_dependent_options): Add incremental_disposition
9585         option.
9586         (Position_dependent_options::copy_from_options): Set incremental
9587         dispositions.
9588         * options.cc (General_options::parse_incremental_changed): New
9589         function.
9590         (General_options::parse_incremental_unchanged): New function.
9591         (General_options::parse_incremental_unknown): New function.
9592         (General_options::General_options): Initialize new fields
9593         incremental_disposition_ and implicit_incremental_.
9594         (General_options::finalize): Check for uasge of --incremental-*
9595         without --incremental.
9596
9597 2009-02-06  Chris Demetriou  <cgd@google.com>
9598
9599         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9600         pointer and to report location as the file name associated with
9601         the symbol.
9602         (gold_undefined_symbol_at_location): New function to replace the
9603         old gold_undefined_symbol functionality.
9604         * target-reloc.h (relocate_section): Update to use
9605         gold_undefined_symbol_at_location.
9606         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9607         Call gold_undefined_symbol function rather than gold_error.
9608         * errors.h (Errors::undefined_symbol): Take location as a
9609         string, rather than calculating it from a relocation.
9610         * errors.cc (Errors::fatal): Print "fatal error:" before the
9611         formatted message.
9612         (Errors::error, Errors::error_at_location): Print "error: "
9613         before the formatted message.
9614         (Errors::undefined_symbol): Take location as a string, rather
9615         than calculating it from a relocation.
9616         (gold_undefined_symbol_at_location): New function akin to
9617         old gold_undefined_symbol, calculates location from relocation.
9618         (gold_undefined_symbol): Change to take only a Symbol pointer
9619         and to report location as the file name associated with the symbol.
9620         * testsuite/debug_msg.sh: Update for changed error messages.
9621         * testsuite/undef_symbol.sh: Likewise.
9622
9623 2009-02-04  Duncan Sands  <baldrick@free.fr>
9624
9625         PR 9812
9626         * reduced_debug_output.h
9627         (Output_reduced_debug_abbrev_section::failed): Use format for
9628         gold_warning.
9629         (Output_reduced_debug_info_section::faild): Likewise.
9630
9631 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9632
9633         * script.cc (Lazy_demangler): New class.
9634         (Version_script_info::get_symbol_version_helper): Demangle a
9635         symbol only once.
9636
9637 2009-01-29  Cary Coutant  <ccoutant@google.com>
9638
9639         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9640         to __tls_get_addr.
9641         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9642
9643 2009-01-28  Ian Lance Taylor  <iant@google.com>
9644
9645         * version.cc (version_string): Bump to 1.9.
9646
9647         * gold.h: Include <cstring> and <stdint.h>.
9648         * version.cc: Include <cstdio>.
9649         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9650         warning.
9651         * reduced_debug_output.cc (insert_into_vector): Rename from
9652         Insert_into_vector; change all callers.  Use Swap_unaligned to
9653         avoid aliasing issue; remove union since it is unnecessary.
9654
9655 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9656
9657         * Makefile.am (CCFILES): Add gc.cc.
9658         (HFILES): Add gc.h.
9659         * Makefile.in: Regenerate.
9660         * gold.cc (Gc_runner): New class.
9661         (queue_initial_tasks): Call garbage collection related tasks
9662         when corresponding options are invoked.
9663         (queue_middle_gc_tasks): New function.
9664         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9665         processed early before laying out sections during garbage collection.
9666         * gold.h (queue_middle_gc_tasks): New function.
9667         (is_prefix_of): Move from "layout.cc".
9668         * i386.cc (Target_i386::gc_process_relocs): New function.
9669         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9670         * main.cc (main): Create object of class "Garbage_collection".
9671         * object.cc (Relobj::copy_symbols_data): New function.
9672         (Relobj::is_section_name_included): New function.
9673         (Sized_relobj::do_layout): Allow this function to be called twice
9674         during garbage collection and defer layout of section during the
9675         first call.
9676         * object.h (Relobj::get_symbols_data): New function.
9677         (Relobj::is_section_name_included): New function.
9678         (Relobj::copy_symbols_data): New function.
9679         (Relobj::set_symbols_data): New function.
9680         (Relobj::get_relocs_data): New function.
9681         (Relobj::set_relocs_data): New function.
9682         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9683         (Relobj::gc_process_relocs): New function.
9684         (Relobj::do_gc_process_relocs): New pure virtual function.
9685         (Relobj::sd_): New data member.
9686         (Sized_relobj::is_output_section_offset_invalid): New function.
9687         (Sized_relobj::do_gc_process_relocs): New function.
9688         * options.h (General_options::gc_sections): Modify to not be a no-op.
9689         (General_options::print_gc_sections): New option.
9690         * plugin.cc (Plugin_finish::run): Remove function call to
9691         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9692         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9693         * reloc.cc (Read_relocs::run): Add task to process relocs and
9694         determine unreferenced sections when doing garbage collection.
9695         (Gc_process_relocs): New class.
9696         (Sized_relobj::do_gc_process_relocs): New function.
9697         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9698         sections that are garbage collected.
9699         * reloc.h (Gc_process_relocs): New class.
9700         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9701         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9702         symbols whose corresponding sections are garbage collected.
9703         (Symbol_table::Symbol_table): Add new parameter for the garbage
9704         collection object.
9705         (Symbol_table::gc_mark_undef_symbols): New function.
9706         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9707         (Symbol_table::gc_mark_dyn_syms): New function.
9708         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9709         as garbage.
9710         (Symbol_table::add_from_object): Likewise.
9711         (Symbol_table::add_from_relobj): When building shared objects, do not
9712         treat externally visible symbols as garbage.
9713         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9714         table information for static and relocatable links.
9715         * symtab.h (Symbol_table::set_gc): New function.
9716         (Symbol_table::gc): New function.
9717         (Symbol_table::gc_mark_undef_symbols): New function.
9718         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9719         (Symbol_table::gc_mark_dyn_syms): New function.
9720         (Symbol_table::gc_): New data member.
9721         * target.h (Sized_target::gc_process_relocs): New pure virtual
9722         function.
9723         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9724         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9725
9726 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9727
9728         * options.h (General_options::gc_sections): Define as a no-op for now.
9729         (General_options::no_keep_memory): Ditto.
9730         (General_options::Bshareable): Define.
9731         * options.cc (General_options::finalize): Honor -Bshareable.
9732
9733 2009-01-20  Andreas Schwab  <schwab@suse.de>
9734
9735         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9736         read the value in the contents, since we don't use it.  Use the
9737         template endianness when writing.
9738         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9739
9740 2009-01-19  Andreas Schwab  <schwab@suse.de>
9741
9742         * configure.tgt (powerpc64-*): Fix targ_obj.
9743
9744 2009-01-15  Ian Lance Taylor  <iant@google.com>
9745
9746         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9747         local symbols when stripping all symbols.
9748
9749 2009-01-14  Cary Coutant  <ccoutant@google.com>
9750
9751         * output.cc (Output_reloc): Add explicit instantiations.
9752
9753 2009-01-14  Cary Coutant  <ccoutant@google.com>
9754
9755         * archive.cc (Archive::get_elf_object_for_member): Remove call
9756         to File_read::claim_for_plugin.
9757         * descriptors.cc (Descriptors::open): Remove reference to
9758         is_claimed.
9759         (Descriptors::claim_for_plugin): Remove.
9760         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9761         (Descriptors::is_claimed): Remove.
9762         (claim_descriptor_for_plugin): Remove.
9763         * fileread.cc (File_read::claim_for_plugin): Remove.
9764         * fileread.h (File_read::claim_for_plugin): Remove.
9765         (File_read::descriptor): Reopen descriptor if necessary.
9766         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9767         (Plugin_manager::all_symbols_read): Add task parameter. Change
9768         all callers.
9769         (Plugin_manager::get_input_file): New function.
9770         (Plugin_manager::release_input_file): New function.
9771         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9772         corresponding data member.
9773         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9774         and pass to base constructor. Change all callers.
9775         (get_input_file, release_input_file): New functions.
9776         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9777         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9778         (Plugin_manager::all_symbols_read): Add task parameter.
9779         (Plugin_manager::get_input_file): New function.
9780         (Plugin_manager::release_input_file): New function.
9781         (Plugin_manager::task_): New data member.
9782         (Pluginobj::Pluginobj): Add filesize parameter.
9783         (Pluginobj::filename): New function.
9784         (Pluginobj::descriptor): New function.
9785         (Pluginobj::filesize): New function.
9786         (Pluginobj::filesize_): New data member.
9787         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9788         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9789         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9790
9791         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9792         with archive libraries.
9793         * testsuite/Makefile.in: Regenerate.
9794         * testsuite/plugin_test.c (struct sym_info): New type.
9795         (get_input_file, release_input_file): New static variables.
9796         (onload): Capture new transfer vector entries.
9797         (claim_file_hook): Stop reading at end of file according to filesize.
9798         Factor out parsing of readelf output into separate function.
9799         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9800         APIs and get the source file name from the symbol table.  Convert
9801         source file name to corresponding object file name.  Print info
9802         message when adding new input files.
9803         (parse_readelf_line): New function.
9804         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9805         * testsuite/plugin_test_2.sh: Likewise.
9806         * testsuite/plugin_test_3.sh: Likewise.
9807         * testsuite/plugin_test_4.sh: New test case.
9808
9809 2009-01-07  Ian Lance Taylor  <iant@google.com>
9810
9811         * version.cc (version_string): Bump to 1.8.
9812
9813 2008-12-23  Cary Coutant  <ccoutant@google.com>
9814
9815         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9816         * plugin.cc (Plugin_manager::finish): Rename as
9817         layout_deferred_objects.  Move cleanup to separate function.
9818         (Plugin_manager::cleanup): New function.
9819         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9820         separately.
9821         * plugin.h (Plugin_manager::finish): Rename as
9822         layout_deferred_objects.
9823         (Plugin_manager::cleanup): New function.
9824         (Plugin_manager::cleanup_done): New field.
9825
9826 2008-12-23  Cary Coutant  <ccoutant@google.com>
9827
9828         * plugin.cc (is_visible_from_outside): New function.
9829         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9830         so we don't return "IR only" status for exported symbols or -r links.
9831
9832         * testsuite/Makefile.am (plugin_test_3): New test case.
9833         * testsuite/Makefile.in: Regenerate.
9834         * testsuite/plugin_test_3.sh: New file.
9835
9836 2008-12-22  Cary Coutant  <ccoutant@google.com>
9837
9838         * object.cc (Sized_relobj::layout_section): New function.
9839         (Sized_relobj::do_layout): Defer layout of input sections until after
9840         plugin has provided replacement files.
9841         (Sized_relobj::do_layout_deferred_sections): New function.
9842         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9843         (Relobj::layout_deferred_sections): New function.
9844         (Relobj::do_layout_deferred_sections): New function.
9845         (Sized_relobj::do_layout_deferred_sections): New function.
9846         (Sized_relobj::layout_section): New function.
9847         (Sized_relobj::Deferred_layout): New structure.
9848         (Sized_relobj::deferred_layout_): New field.
9849         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9850         Change all callers.  Layout deferred sections.
9851         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9852         references.
9853         (Plugin_hook::run): Move code from do_plugin_hook inline.
9854         (Plugin_hook::do_plugin_hook): Remove.
9855         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9856         (Plugin_manager::finish): Renamed, was cleanup.
9857         (Plugin_manager::should_defer_layout): New function.
9858         (Plugin_manager::add_deferred_layout_object): New function.
9859         (Plugin_manager::Deferred_layout_list): New type.
9860         (Plugin_manager::deferred_layout_objects_): New field.
9861         (Plugin_hook::do_plugin_hook): Remove.
9862
9863 2008-12-17  Ian Lance Taylor  <iant@google.com>
9864
9865         * options.h (class General_options): Add --no case for
9866         --export-dynamic.
9867
9868 2008-12-16  Cary Coutant  <ccoutant@google.com>
9869
9870         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9871         vector.
9872         (Plugin_manager::claim_file): Create plugin object even if
9873         plugin did not call the add_symbols callback.
9874         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9875         asking for more symbols than were added.
9876         * testsuite/Makefile.am (plugin_test_1): Add test case with
9877         no global symbols.
9878         (empty.syms): New target.
9879         * testsuite/Makefile.in: Regenerate.
9880         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9881         message. Don't call add_symbols if no globals.
9882         (all_symbols_read_hook): Don't provide replacement for empty
9883         claimed file.
9884
9885 2008-12-12  Ian Lance Taylor  <iant@google.com>
9886
9887         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9888         r_type == 0 for a local symbol with r_sym == 0.
9889         (scan_relocatable_relocs): Pass r_sym to
9890         local_non_section_strategy.
9891         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9892         r_sym parameter.
9893
9894         * configure.ac: Update test for TLS descriptors: they are
9895         supported as of glibc 2.9.
9896         * configure: Rebuild.
9897
9898 2008-12-11  Ian Lance Taylor  <iant@google.com>
9899
9900         PR 7091
9901         * target-reloc.h (Default_scan_relocatable_relocs): For each
9902         function, map r_type == 0 to RELOC_DISCARD.
9903
9904 2008-12-10  Cary Coutant  <ccoutant@google.com>
9905
9906         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9907         object to override a kept COMDAT group from a plugin object.
9908
9909 2008-12-09  Ian Lance Taylor  <iant@google.com>
9910
9911         PR 7088
9912         * yyscript.y (file_cmd): Handle INPUT.
9913
9914         * testsuite/initpri1.c: Change all declarations to be full
9915         prototypes by adding void, to avoid compiler warnings.
9916
9917 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9918
9919         * options.cc (General_options::parse_plugin_opt): New.
9920         (General_options::add_plugin): The argument now is just the filename.
9921         (General_options::add_plugin_option): New.
9922         * options.h (plugin_opt): New.
9923         (add_plugin): Change argument name.
9924         (add_plugin_option): New.
9925         * plugin.cc (Plugin::load): Don't parse the plugin option.
9926         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9927         (Plugin::add_option): New.
9928         (Plugin::args_): Change type.
9929         (Plugin::filename_): New.
9930         (Plugin_manager::add_plugin_option): New.
9931         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9932         * testsuite/Makefile.in: Regenerate.
9933
9934 2008-12-05  Cary Coutant  <ccoutant@google.com>
9935
9936         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9937         Handle --strip-lto-sections option.
9938         * options.h (strip_lto_sections): New option.
9939
9940 2008-12-01  Cary Coutant  <ccoutant@google.com>
9941
9942         * plugin.cc (ld_plugin_message): Change format parameter to const.
9943         Fix mismatch between new[] and delete.
9944
9945 2008-11-14  Cary Coutant  <ccoutant@google.com>
9946
9947         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9948         instead of -1U.
9949
9950 2008-11-05  Craig Silverstein  <csilvers@google.com>
9951
9952         * options.cc (General_options::parse_dynamic_list): New function.
9953         * options.h (General_options): New flags dynamic_list,
9954         dynamic_list_data, dynamic_list_cpp_new, and
9955         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9956         (General_options::in_dynamic_list): New function.
9957         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9958         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9959         (Lex::can_continue_name): Likewise.
9960         (yylex): Likewise.
9961         (read_script_file): New parameter script_options.
9962         (read_dynamic_list): New function.
9963         (Script_options::define_dynamic_list): New function.
9964         (dynamic_list_keyword_parsecodes): New variable.
9965         (dynamic_list_keywords): New variable.
9966         * script.h (Script_options::define_dynamic_list): New function
9967         prototype.
9968         (read_dynamic_list): New function prototype.
9969         * symtab.cc (strprefix): New macro.
9970         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9971         dynamic_list_data, dynamic_list_cpp_new, and
9972         dynamic_list_cpp_typeinfo.
9973         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9974         (dynamic_list_expr): New rule.
9975         (dynamic_list_nodes): Likewise.
9976         (dynamic_list_node): Likewise.
9977         * testsuite/Makefile.am (dynamic_list): New test.
9978         * testsuite/Makefile.in: Regenerated.
9979         * testsuite/dynamic_list.t: New file.
9980         * testsuite/dynamic_list.sh: New file.
9981
9982 2008-11-05  Craig Silverstein  <csilvers@google.com>
9983
9984         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9985         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9986         (t11_last): Likewise.
9987         * testsuite/ver_test_6.c (main): Likewise.
9988
9989 2008-10-07  Cary Coutant  <ccoutant@google.com>
9990
9991         * options.c (General_options::finalize): Add check for -static and
9992         -shared.
9993         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9994         is not empty.
9995
9996 2008-10-02  Cary Coutant  <ccoutant@google.com>
9997
9998         * plugin.cc (make_sized_plugin_object): Fix conditional
9999         compilation to work when not all targets are enabled.
10000
10001 2008-09-29  Cary Coutant  <ccoutant@google.com>
10002
10003         * archive.cc (Archive::get_file_and_offset): Use filename instead
10004         of name to get library path.
10005         (Archive::include_member): Unlock external member of a thin archive.
10006
10007         * testsuite/Makefile.am (TEST_AR): New variable.
10008         (thin_archive_test_1): New test.
10009         (thin_archive_test_2): New test.
10010         * testsuite/Makefile.in: Regenerate.
10011         * testsuite/thin_archive_main.cc: New file.
10012         * testsuite/thin_archive_test_1.cc: New file.
10013         * testsuite/thin_archive_test_2.cc: New file.
10014         * testsuite/thin_archive_test_3.cc: New file.
10015         * testsuite/thin_archive_test_4.cc: New file.
10016
10017 2008-09-29  Cary Coutant  <ccoutant@google.com>
10018
10019         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10020         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10021         instead of -1U.
10022         (Sized_relobj::do_finalize_local_symbols): Likewise.
10023         (Sized_relobj::map_to_kept_section): Likewise.
10024         * object.h (Sized_relobj::invalid_address): New constant.
10025         (Sized_relobj::do_output_section_offset): Check for invalid_address
10026         and return -1ULL.
10027         * output.cc (Output_reloc::local_section_offset): Use constant
10028         invalid_address instead of -1U.
10029         (Output_reloc::get_address): Likewise.
10030         (Output_section::output_address): Change -1U to -1ULL.
10031         * output.h (Output_reloc::invalid_address): New constant.
10032         * reloc.cc (Sized_relobj::write_sections): Use constant
10033         invalid_address instead of -1U.
10034         (Sized_relobj::relocate_sections): Likewise.
10035         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10036         values for merge sections.
10037         * target-reloc.h (relocate_for_relocatable): Use constant
10038         invalid_address instead of -1U.
10039
10040 2008-09-19  Cary Coutant  <ccoutant@google.com>
10041
10042         Add plugin functionality for link-time optimization (LTO).
10043         * configure.ac (plugins): Add --enable-plugins option.
10044         * configure: Regenerate.
10045         * config.in: Regenerate.
10046         * Makefile.am (LIBDL): New variable.
10047         (CCFILES): Add plugin.cc.
10048         (HFILES): Add plugin.h.
10049         (ldadd_var): Add LIBDL.
10050         * Makefile.in: Regenerate.
10051
10052         * archive.cc: Include "plugin.h".
10053         (Archive::setup): Don't preread archive symbols when using a plugin.
10054         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10055         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10056         files.
10057         (Archive::include_member): Add symbols from plugin objects.
10058         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10059         * descriptors.cc (Descriptors::open): Check for file descriptors
10060         abandoned by plugins.
10061         (Descriptors::claim_for_plugin): New function.
10062         * descriptors.h (Descriptors::claim_for_plugin): New function.
10063         (Open_descriptor::is_claimed): New field.
10064         (claim_descriptor_for_plugin): New function.
10065         * fileread.cc (File_read::claim_for_plugin): New function.
10066         * fileread.h (File_read::claim_for_plugin): New function.
10067         (File_read::descriptor): New function.
10068         * gold.cc: Include "plugin.h".
10069         (queue_initial_tasks): Add task to call plugin hooks for generating
10070         new object files.
10071         * main.cc: Include "plugin.h".
10072         (main): Load plugin libraries.
10073         * object.h (Pluginobj): Declare.
10074         (Object::pluginobj): New function.
10075         (Object::do_pluginobj): New function.
10076         (Object::set_target): New function.
10077         * options.cc: Include "plugin.h".
10078         (General_options::parse_plugin): New function.
10079         (General_options::General_options): Initialize plugins_ field.
10080         (General_options::add_plugin): New function.
10081         * options.h (Plugin_manager): Declare.
10082         (General_options): Add --plugin option.
10083         (General_options::has_plugins): New function.
10084         (General_options::plugins): New function.
10085         (General_options::add_plugin): New function.
10086         (General_options::plugins_): New field.
10087         * plugin.cc: New file.
10088         * plugin.h: New file.
10089         * readsyms.cc: Include "plugin.h".
10090         (Read_symbols::do_read_symbols): Check for archive before checking
10091         for ELF file.  Call plugin hooks to claim files.
10092         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10093         from a real object file; force override when processing replacement
10094         files.
10095         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10096         (Symbol::init_base_object): Likewise.
10097         (Symbol::init_base_output_data): Likewise.
10098         (Symbol::init_base_output_segment): Likewise.
10099         (Symbol::init_base_constant): Likewise.
10100         (Symbol::init_base_undefined): Likewise.
10101         (Symbol::output_section): Assert that object is not a plugin.
10102         (Symbol_table::add_from_pluginobj): New function.
10103         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10104         undefined.
10105         (Symbol_table::sized_write_globals): Likewise.
10106         (Symbol_table::add_from_pluginobj): Instantiate template.
10107         * symtab.h (Sized_pluginobj): Declare.
10108         (Symbol::in_real_elf): New function.
10109         (Symbol::set_in_real_elf): New function.
10110         (Symbol::in_real_elf_): New field.
10111         (Symbol_table::add_from_pluginobj): New function.
10112
10113         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10114         (LIBDL): New variable.
10115         (LDADD): Add LIBDL.
10116         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10117         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10118         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10119         (MOSTLYCLEANFILES): Likewise.
10120         * testsuite/Makefile.in: Regenerate.
10121         * testsuite/plugin_test.c: New file.
10122         * testsuite/plugin_test_1.sh: New file.
10123         * testsuite/plugin_test_2.sh: New file.
10124
10125 2008-09-16  Ian Lance Taylor  <iant@google.com>
10126
10127         * target-reloc.h (relocate_section): Check whether a symbol is
10128         defined by the ABI before reporting an undefined symbol error.
10129         * target.h (Target::is_defined_by_abi): Make parameter const.
10130         (Target::do_is_defined_by_abi): Likewise.
10131         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10132         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10133         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10134         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10135         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10136         * testsuite/Makefile.in: Rebuild.
10137
10138         * fileread.cc (make_view): Add casts to avoid warning.
10139
10140 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10141
10142         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10143         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10144
10145 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10146
10147         * options.h (General_options::output_is_executable): New.
10148         (General_options::output_is_pie): New.
10149         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10150         for shared libraries.
10151         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10152
10153 2008-09-11  Chris Demetriou  <cgd@google.com>
10154
10155         * options.h (origin): New -z option.
10156         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10157         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10158         in DT_FLAGS_1.
10159
10160 2008-09-05  Cary Coutant  <ccoutant@google.com>
10161
10162         * fileread.cc (File_read::make_view): Add check for attempt to map
10163         beyond end of file.
10164
10165 2008-09-05  Cary Coutant  <ccoutant@google.com>
10166
10167         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10168         explicit instantiations.
10169
10170 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10171
10172         PR gold/6858
10173         * options.cc (General_options::finalize): Allow undefined symbols
10174         in shlibs if linking -shared.
10175
10176         PR gold/6859
10177         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10178         symbols as not needing a dynsym entry.
10179
10180 2008-08-20  Craig Silverstein  <csilvers@google.com>
10181
10182         * fileread.cc (File_read::open): Do not lock the file unless it
10183         was successfully opened.
10184
10185 2008-08-14  Cary Coutant  <ccoutant@google.com>
10186
10187         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10188         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10189         * testsuite/tls_test.cc (struct int128): 128-bit struct
10190         for testing TLS relocs with non-zero addend.
10191         (v12): New TLS variable.
10192         (t12): New test.
10193         (t_last): Add check for v12.
10194         * testsuite/tls_test.h (t12): New function.
10195         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10196
10197 2008-08-13  Ian Lance Taylor  <iant@google.com>
10198
10199         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10200         set tls_segment_ or relro_segment_.
10201         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10202         when appropriate.
10203         * output.h (Output_section::clear_is_relro): New function.
10204         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10205         sections specially even when output_data_ is empty.
10206         (Output_segment::maximum_alignment): When first section is relro,
10207         only force alignment for PT_LOAD segments.
10208         * script.cc (script_data_segment_align): New function.
10209         (script_data_segment_relro_end): New function.
10210         * script-c.h (script_data_segment_align): Declare.
10211         (script_data_segment_relro_end): Declare.
10212         * script-sections.h (class Script_sections): Declare
10213         data_segment_align and data_segment_relro_end.  Add fields
10214         segment_align_index_ and saw_relro_end_.
10215         * script-sections.cc (class Sections_element): Add set_is_relro
10216         virtual function.  Add new bool* parameter to place_orphan_here.
10217         Add get_output_section virtual function.
10218         (class Output_section_definition): Add set_is_relro.  Add new
10219         bool* parameter to place_orphan_here.  Add get_output_section.
10220         Add is_relro_ field.
10221         (Output_section_definition::Output_section_definition): Initialize
10222         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10223         and is_relro_ fields.
10224         (Output_section_definition::place_orphan_here): Add is_relro
10225         parameter.
10226         (Output_section_definition::set_section_addresses): Set relro for
10227         output section.
10228         (Output_section_definition::alternate_constraint): Likewise.
10229         (class Orphan_output_section): Add new bool* parameter to
10230         place_orphan_here.  Add get_output_section.
10231         (Orphan_output_section::place_orphan_here): Add is_relro
10232         parameter.
10233         (Script_sections::Script_sections): Initialize
10234         data_segment_align_index_ and saw_relro_end_.
10235         (Script_sections::data_segment_align): New function.
10236         (Script_sections::data_segment_relro_end): New function.
10237         (Script_sections::place_orphan): Set or clear is_relro.
10238         (Script_sections::set_section_addresses): Force alignment of first
10239         TLS section.
10240         * yyscript.y (exp): Call script_data_segment_align and
10241         script_data_segment_relro_end.
10242         * testsuite/relro_script_test.t: New file.
10243         * testsuite/relro_test.cc (using_script): Declare.
10244         (t1, t2): Test using_script.
10245         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10246         (relro_script_test_SOURCES): Define.
10247         (relro_script_test_DEPENDENCIES): Define.
10248         (relro_script_test_LDFLAGS): Define.
10249         (relro_script_test_LDADD): Define.
10250         (relro_script_test.so): New target.
10251         * testsuite/Makefile.in: Rebuild.
10252
10253 2008-08-06  Cary Coutant <ccoutant@google.com>
10254
10255         * archive.cc (Archive::total_archives, Archive::total_members)
10256         (Archive::total_members_loaded): New variables.
10257         (Archive::setup): Add parameter.  Add option to preread
10258         archive symbols.
10259         (Archive::read_armap): Add counter.
10260         (Archive::get_file_and_offset): New function.
10261         (Archive::get_elf_object_for_member): New function.
10262         (Archive::read_all_symbols): New function.
10263         (Archive::read_symbols): New function.
10264         (Archive::add_symbols): Add counters.
10265         (Archive::include_all_members): Use armap to find members if it's
10266         already built.
10267         (Archive::include_member): Skip reading symbols if already read.
10268         Factored code into Archive::get_file_and_offset and
10269         Archive::get_elf_object_for_member.  Changed call to
10270         Mapfile::report_include_archive_member.
10271         (Archive::print_stats): New function.
10272         * archive.h: Declare Object and Read_symbols_data classes.
10273         (Archive::Archive): Add initializers for new members.
10274         (Archive::setup): Add parameter.
10275         (Archive::print_stats): New function.
10276         (Archive::total_archives, Archive::total_members)
10277         (Archive::total_members_loaded): New variables.
10278         (Archive::get_file_and_offset): New function.
10279         (Archive::get_elf_object_for_member): New function.
10280         (Archive::read_all_symbols): New function.
10281         (Archive::read_symbols): New function.
10282         (Archive::Archive_member): New class.
10283         (Archive::members_): New member.
10284         (Archive::num_members_): New member.
10285         * main.cc: Include archive.h.
10286         (main): Call Archive::print_stats.
10287         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10288         archive parameter; member_name is now the fully-decorated name.
10289         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10290         * options.h: (General_options): Add --preread-archive-symbols option.
10291         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10292         Archive::setup.
10293
10294 2008-08-04  Ian Lance Taylor  <iant@google.com>
10295
10296         * symtab.h (Symbol::use_plt_offset): New function.
10297         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10298         * powerpc.cc (Relocate::relocate): Likewise.
10299         * sparc.cc (Relocate::relocate): Likewise.
10300         * x86_64.cc (Relocate::relocate): Likewise.
10301         * testsuite/weak_plt.sh: New test.
10302         * testsuite/weak_plt_main.cc: New test.
10303         * testsuite/weak_plt_shared.cc: New test.
10304         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10305         (check_PROGRAMS): Add weak_plt.
10306         (check_DATA): Add weak_plt_shared.so.
10307         (weak_plt_main_pic.o, weak_plt): New targets.
10308         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10309         * testsuite/Makefile.in: Rebuild.
10310
10311         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10312         gcctestdir/ld.
10313         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10314         * testsuite/Makefile.in: Rebuild.
10315
10316 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10317
10318         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10319         * Makefile.in: Regenerate.
10320         * po/POTFILES.in: Regenerate.
10321
10322 2008-07-29  Ian Lance Taylor  <iant@google.com>
10323
10324         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10325         symbols before other symbols.
10326         * testsuite/script_test_2.cc (test_addr): Declare.
10327         (test_addr_alias): Declare.
10328         (main): Check that test_addr and test_addr_alias have the right
10329         values.
10330         * testsuite/script_test_2.t: Define test_addr_alias and
10331         test_addr.
10332
10333 2008-07-24  Ian Lance Taylor  <iant@google.com>
10334
10335         PR 5990
10336         * descriptors.cc: New file.
10337         * descriptors.h: New file.
10338         * gold-threads.h (class Hold_optional_lock): New class.
10339         * fileread.cc: Include "descriptors.h".
10340         (File_read::~File_read): Release descriptor rather than closing
10341         it.
10342         (File_read::open) [file]: Call open_descriptor rather than open.
10343         Set is_descriptor_opened_.
10344         (File_read::open) [memory]: Assert that descriptor is not open.
10345         (File_read::reopen_descriptor): New function.
10346         (File_read::release): Release descriptor.
10347         (File_read::do_read): Make non-const.  Reopen descriptor.
10348         (File_read::read): Make non-const.
10349         (File_read::make_view): Reopen descriptor.
10350         (File_read::do_readv): Likewise.
10351         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10352         Update declarations.
10353         * layout.cc: Include "descriptors.h".
10354         (Layout::create_build_id): Use open_descriptor rather than open.
10355         * output.cc: Include "descriptors.h".
10356         (Output_file::open): Use open_descriptor rather than open.
10357         * archive.cc (Archive::const_iterator): Change Archive to be
10358         non-const.
10359         (Archive::begin, Archive::end): Make non-const.
10360         (Archive::count_members): Likewise.
10361         * archive.h (class Archive): Update declarations.
10362         * object.h (Object::read): Make non-const.
10363         * Makefile.am (CCFILES): Add descriptors.cc.
10364         (HFILES): Add descriptors.h.
10365         * Makefile.in: Rebuild.
10366
10367         PR 6716
10368         * gold.h: Always include <clocale>.  Add Solaris workarounds
10369         following code in binutils/sysdep.h.
10370
10371         PR 6048
10372         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10373         this->eh_frame_hdr_ is NULL before using it.
10374
10375         * dynobj.cc (Versions::Versions): Update comment.
10376
10377         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10378         the base version name.
10379
10380         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10381         array size plus one.
10382         (Stringpool_template::set_string_offsets): Subtract one from key
10383         before using it as an array index.
10384         (Stringpool_template::get_offset_with_length): Likewise.
10385         (Stringpool_template::write_to_buffer): Likewise.
10386         * stringpool.h (Stringpool_template::get_offset_from_key):
10387         Likewise.
10388
10389 2008-07-23  Ian Lance Taylor  <iant@google.com>
10390
10391         PR 6658
10392         * object.h (Merged_symbol_value::value): Do our best to handle a
10393         negative addend.
10394
10395         PR 6647
10396         * script.cc (Version_script_info::get_versions): Don't add empty
10397         version tag to return value.
10398         (Version_script_info::get_symbol_version_helper): Change return
10399         type to bool.  Add pversion parameter.  Change all callers.
10400         (script_register_vers_node): Don't require a non-NULL tag.
10401         * script.h (class Version_script_info): Update declarations.
10402         (Version_script_info::get_symbol_version): Change return type to
10403         bool.  Add version parameter.  Change all callers.
10404         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10405         handling.  Handle an empty version from a version script.
10406         (Symbol_table::define_special_symbol): Likewise.
10407         * testsuite/ver_test_10.script: New file.
10408         * testsuite/ver_test_10.sh: New file.
10409         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10410         (check_DATA): Add ver_test_10.syms.
10411         (ver_test_10.syms, ver_test_10.so): New target.
10412         * testsuite/Makefile.in: Rebuild.
10413
10414 2008-07-23  Simon Baldwin  <simonb@google.com>
10415
10416         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10417         to zero for undefined symbols from dynamic libraries.
10418
10419 2008-07-23  Ian Lance Taylor  <iant@google.com>
10420
10421         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10422         Change all callers.
10423         * symtab.h (class Symbol_table): Update declaration.
10424         * testsuite/ver_test_9.cc: New file.
10425         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10426         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10427         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10428         (ver_test_9.so, ver_test_9.o): New targets.
10429         * testsuite/Makefile.in: Rebuild.
10430
10431 2008-07-22  Ian Lance Taylor  <iant@google.com>
10432
10433         * options.h (class General_options): Define --check-sections.
10434         * layout.cc (Layout::set_segment_offsets): Handle
10435         --check-sections.
10436
10437         * options.h (class General_options): Define -n/--nmagic and
10438         -N/--omagic.
10439         * options.cc (General_options::finalize): For -n/--nmagic or
10440         -N/--omagic, set -static.
10441         * layout.cc (Layout::attach_allocated_section_to_segment): If
10442         -N/--omagic, don't put read-only and read-write sections in
10443         different segments.
10444         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10445         finding a read-only segment.
10446         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10447         don't set the minimum segment alignment to the common page size,
10448         and don't set the file offset to the address modulo the page size.
10449         * script-sections.cc (Script_sections::create_segments): If
10450         -n/--omagic, don't put read-only and read-write sections in
10451         different segments.
10452
10453         * cref.cc: New file.
10454         * cref.h: New file.
10455         * options.h (class General_options): Add --print-symbol-counts.
10456         * main.cc (main): Issue defined symbol report if requested.
10457         * archive.cc (Archive::interpret_header): Make into a const member
10458         function.
10459         (Archive::add_symbols): Call Input_objects::archive_start and
10460         archive_stop.
10461         (Archive::const_iterator): Define new class.
10462         (Archive::begin, Archive::end): New functions.
10463         (Archive::include_all_members): Rewrite to use iterator.
10464         (Archive::count_members): New function.
10465         * archive.h (class Archive): Update declarations.
10466         (Archive::filename): New function.
10467         * object.cc: Include "cref.h".
10468         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10469         (Sized_relobj::do_get_global_symbol_counts): New function.
10470         (Input_objects::add_object): Add object to cross-referencer.
10471         (Input_objects::archive_start): New function.
10472         (Input_objects::archive_stop): New function.
10473         (Input_objects::print_symbol_counts): New function.
10474         * object.h: Declare Cref and Archive.
10475         (Object::get_global_symbol_counts): New function.
10476         (Object::do_get_global_symbol_counts): New pure virtual function.
10477         (class Sized_relobj): Add defined_count_ field.  Update
10478         declarations.
10479         (class Input_objects): Add cref_ field.  Update constructor.
10480         Update declarations.
10481         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10482         defined_count_.
10483         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10484         symbol counts.
10485         (Sized_dynobj::do_get_global_symbol_counts): New function.
10486         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10487         defined_count_.  Update declarations.  Define Symbols typedef.
10488         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10489         parameter.  Change all callers.
10490         (Symbol_table::add_from_dynobj): Add sympointers and defined
10491         parameters.  Change all callers.
10492         * symtab.h (class Symbol_table): Update declarations.
10493         * Makefile.am (CCFILES): Add cref.cc.
10494         (HFILES): Add cref.h.
10495         * Makefile.in: Rebuild.
10496
10497 2008-07-22  Simon Baldwin  <simonb@google.com>
10498
10499         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10500         to zero when writing undefined symbols.
10501
10502 2008-07-22  Ian Lance Taylor  <iant@google.com>
10503
10504         * output.cc (Output_section::add_input_section): Don't try to
10505         merge empty merge sections.
10506
10507 2008-07-21  Craig Silverstein  <csilvers@google.com>
10508
10509         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10510         Include symbol version in error message.
10511
10512 2008-07-20  Chris Demetriou  <cgd@google.com>
10513
10514         * configure.ac (gold_cv_c_random_seed): New configured variable.
10515         (RANDOM_SEED_CFLAGS): New substituted variable.
10516         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10517         * configure: Rebuild.
10518         * Makefile.in: Likewise.
10519         * testsuite/Makefile.in: Likewise.
10520
10521 2008-07-18  Ian Lance Taylor  <iant@google.com>
10522
10523         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10524         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10525         * testsuite/ver_test_main.cc (main): Call t4.
10526         (t4, t4_2a): Define.
10527         * testsuite/ver_test_2.cc (t4_2): Define.
10528         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10529         * testsuite/ver_test_4.cc (t4_2a): Define.
10530         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10531         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10532
10533 2008-07-17  Ian Lance Taylor  <iant@google.com>
10534
10535         * dynobj.cc (Versions::add_def): If we give an error about a
10536         missing version, go ahead and create the version anyhow.
10537
10538 2008-07-10  Ian Lance Taylor  <iant@google.com>
10539
10540         Handle output sections with more than 0x7fffffff bytes.
10541         * object.h (class Relobj): Change map_to_output_ to
10542         output_sections_, and just keep a section pointer.  Change all
10543         uses.  Move comdat group support to Sized_relobj.
10544         (Relobj::is_section_specially_mapped): Remove.
10545         (Relobj::output_section): Remove poff parameter.  Change all
10546         callers.
10547         (Relobj::output_section_offset): New function.
10548         (Relobj::set_section_offset): Rewrite.
10549         (Relobj::map_to_output): Remove.
10550         (Relobj::output_sections): New function.
10551         (Relobj::do_output_section_offset): New pure virtual function.
10552         (Relobj::do_set_section_offset): Likewise.
10553         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10554         group support from Relobj.  Update declarations.
10555         (Sized_relobj::get_output_section_offset): New function.
10556         (Sized_relobj::do_output_section_offset): New function.
10557         (Sized_relobj::do_set_section_offset): New function.
10558         * object.cc (Relobj::output_section_address): Remove.
10559         (Sized_relobj::Sized_relobj): Initialize new fields.
10560         (Sized_relobj::include_section_group): Cast find_kept_object to
10561         Sized_relobj.
10562         (Sized_relobj::include_linkonce_section): Likewise.
10563         (Sized_relobj::do_layout): Use separate arrays for output section
10564         and output offset.
10565         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10566         output_sections.
10567         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10568         output_sections and section_offsets.
10569         (Sized_relobj::write_local_symbols): Likewise.
10570         (map_to_kept_section): Compute output address directly.
10571         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10572         output_sections and section_offsets.
10573         (Sized_relobj::write_sections): Likewise.
10574         (Sized_relobj::relocate_sections): Likewise.
10575         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10576         * output.h (class Output_reloc): Update declarations.  Change
10577         u2_.relobj to Sized_relobj*.
10578         (class Output_data_reloc): Change add functions to use
10579         Sized_relobj*.
10580         * output.cc (Output_reloc::Output_reloc): Change relobj to
10581         Sized_relobj*.
10582         (Output_reloc::local_section_offset): Change return type to
10583         Elf_Addr.  Use get_output_section_offset.
10584         (Output_reloc::get_address): Likewise.
10585         (Output_section::is_input_address_mapped): Don't call
10586         is_section_specially_mapped.
10587         (Output_section::output_offset): Likewise.
10588         (Output_section::output_address): Likewise.
10589         (Output_section::starting_output_address): Likewise.
10590         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10591         parameter to Sized_relobj*.
10592         (Copy_relocs::need_copy_reloc): Likewise.
10593         (Copy_relocs::save): Likewise.
10594         * copy-relocs.h (class Copy_relocs): Update declarations.
10595         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10596         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10597         * target-reloc.h (relocate_for_relocatable): Change
10598         offset_in_output_section type to Elf_Addr.  Change code that uses
10599         it as well.
10600         * layout.cc (Layout::layout): Always set *off.
10601         * mapfile.cc (Mapfile::print_input_section): Use
10602         output_section_offset.
10603         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10604         Sized_relobj*.
10605         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10606         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10607         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10608
10609 2008-07-03  Ian Lance Taylor  <iant@google.com>
10610
10611         * layout.cc (Layout::include_section): Do not discard unrecognized
10612         SHT_STRTAB sections.
10613
10614 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10615
10616         * script.cc (Lex::can_continue_name): Make '?' allowable in
10617         version-script names.
10618         * testsuite/version_script.map: Change glob pattern to use '?'
10619
10620 2008-06-30  Manish Singh  <yosh@gimp.org>
10621
10622         PR 6585
10623         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10624         Correct typo.
10625
10626 2008-06-30  Ian Lance Taylor  <iant@google.com>
10627
10628         PR 6660
10629         PR 6682
10630         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10631         versions]: Don't try to read the value in the contents, since we
10632         don't use it.  Use the template endianness when writing.
10633
10634 2008-06-25  Cary Coutant  <ccoutant@google.com>
10635
10636         * fileread.cc (File_read::make_view): Assert on zero-length view.
10637         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10638         symbol table when there are no symbols to read.
10639
10640 2008-06-23  Craig Silverstein  <csilvers@google.com>
10641
10642         * version.cc (version_string): Bump to 1.7
10643
10644 2008-06-18  Craig Silverstein  <csilvers@google.com>
10645
10646         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10647         constant 0xFFFF to type Valtype.
10648         (Powerpc_relocate_functions::rel16_ha): Likewise.
10649
10650 2008-06-17  Ian Lance Taylor  <iant@google.com>
10651
10652         * output.h (Output_section::Input_section): Initialize p2align_ to
10653         zero for Output_section_data constructors.
10654         (Output_section::Input_section::addralign): If not an input
10655         section, return the alignment of the Output_section_data.
10656         * testsuite/copy_test.cc: New file.
10657         * testsuite/copy_test_1.cc: New file.
10658         * testsuite/copy_test_2.cc: New file.
10659         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10660         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10661         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10662         (copy_test_1_pic.o, copy_test_1.so): New targets.
10663         (copy_test_2_pic.o, copy_test_2.so): New targets.
10664         * testsuite/Makefile.in: Rebuild.
10665
10666         * script-sections.cc (Script_sections::place_orphan): Initialize
10667         local variable exact.
10668
10669 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10670
10671         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10672
10673 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10674             David S. Miller  <davem@davemloft.net>
10675
10676         * powerpc.cc: New file.
10677         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10678         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10679         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10680         * Makefile.in: Rebuild.
10681
10682 2008-06-09  Ian Lance Taylor  <iant@google.com>
10683
10684         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10685         <exception>.
10686         (throwing, orig_terminate): New static variables.
10687         (terminate_handler): New static function.
10688         (t2): Set terminate handler.
10689
10690 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10691
10692         PR 6584
10693         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10694         alignment.
10695
10696 2008-05-30  Cary Coutant  <ccoutant@google.com>
10697
10698         * archive.cc (Archive::include_all_members) Correct to step
10699         over symbol table and extended name table in thin archives.
10700
10701 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10702
10703         PR 6407
10704         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10705         calculation.
10706
10707 2008-05-28  Caleb Howe  <cshowe@google.com>
10708
10709         * reduced_debug_output.cc: New file.
10710         * reduced_debug_output.h: New file.
10711         * options.h (class General_options): Add --strip-debug-non-line.
10712         * options.cc (General_options::finalize): Add strip_debug_non_line
10713         to the strip heirarchy.
10714         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10715         fields.
10716         * layout.cc: Include "reduced_debug_output.h".
10717         (Layout::Layout): Initialize new fields.
10718         (line_only_debug_sections): New static array.
10719         (is_lines_only_debug_sections): New static inline function.
10720         (Layout::include_section): Handle --strip-debug-non-line.
10721         (Layout::make_output_section): If --strip-debug-non-line, build
10722         new output sections for .debug_abbrev and .debug_info.
10723         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10724         gold.  Warn about possible overflow.
10725         (read_signed_LEB_128): Likewise.
10726         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10727         (read_signed_LEB_128): Declare.
10728         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10729         (HFILES): Add reduced_debug_output.h.
10730         * Makefile.in: Rebuild.
10731
10732 2008-05-21  Ian Lance Taylor  <iant@google.com>
10733
10734         * mapfile.cc: New file.
10735         * mapfile.h: New file.
10736         * options.h (class General_options): Add -M/--print-map and -Map.
10737         * options.cc (General_options::finalize): Make -M equivalent to
10738         -Map -.
10739         * main.cc: Include <cstdio> and "mapfile.h".
10740         (main): Open mapfile if requested.
10741         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10742         constructor.  Change caller.
10743         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10744         (queue_middle_tasks): Likewise.
10745         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10746         declarations.
10747         * archive.cc: Include "mapfile.h".
10748         (Archive::add_symbols): Add mapfile parameter.  Change all
10749         callers.  Pass mapfile, symbol, and reason to include_member.
10750         (Archive::include_all_members): Add mapfile parameter.  Change all
10751         callers.
10752         (Archive::include_member): Add mapfile, sym, and why parameters.
10753         Change all callers.  Report inclusion to map file.
10754         * archive.h: Include "fileread.h".
10755         (class Archive): Update declarations.
10756         (Archive::file): New const method.
10757         (class Add_archive_symbols): Add mapfile_ field.  Update
10758         constructor.  Change all callers.
10759         * readsyms.h (class Read_symbols): Likewise.
10760         (class Finish_group): Likewise.
10761         (class Read_script): Likewise.
10762         * common.cc: Include "mapfile.h".
10763         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10764         all callers.
10765         (Symbol_table::do_allocate_commons): Likewise.
10766         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10767         symbol allocation to mapfile.
10768         * common.h (class Allocate_commons_task): Add mapfile_ field.
10769         Update constructor.  Change all callers.
10770         * symtab.h (class Symbol_table): Update declarations.
10771         * layout.cc: Include "mapfile.h".
10772         (Layout_task_runner::run): Print information to mapfile.
10773         (Layout::create_gold_note): Change Output_data_fixed_space to
10774         Output_data_zero_fill.
10775         (Layout::create_build_id): Likewise.
10776         (Layout::print_to_mapfile): New function.
10777         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10778         constructor.  Change caller.
10779         (class Layout): Declare print_to_mapfile.
10780         * output.cc (Output_section::Input_section::print_to_mapfile): New
10781         function.
10782         (Output_section::add_input_section): If producing a map, always
10783         add to input_sections_ list.
10784         (Output_section::do_print_to_mapfile): New function.
10785         (Output_segment::print_sections_to_mapfile): New function.
10786         (Output_segment::print_section_list_to_mapfile): New function.
10787         * output.h: Include "mapfile.h".
10788         (Output_data::print_to_mapfile): New function.
10789         (Output_data::do_print_to_mapfile): New virtual function.
10790         (Output_segment_headers::do_print_to_mapfile): New function.
10791         (Output_file_header::do_print_to_mapfile): New function.
10792         (Output_data_const::do_print_to_mapfile): New function.
10793         (class Output_data_const_buffer): Add map_name_ field.  Update
10794         constructor.  Change all callers.  Add do_print_to_mapfile
10795         function.
10796         (class Output_data_fixed_space): Likewise.
10797         (class Output_data_space): Likewise.
10798         (class Output_data_zero_fill): New class.
10799         (Output_data_strtab::do_print_to_mapfile): New function.
10800         (Output_data_reloc_base::do_print_to_mapfile): New function.
10801         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10802         (Output_data_group::do_print_to_mapfile): New function.
10803         (Output_data_got::do_print_to_mapfile): New function.
10804         (Output_data_dynamic::do_print_to_mapfile): New function.
10805         (Output_symtab_xindex::do_print_to_mapfile): New function.
10806         (class Output_section): Declare do_print_to_mapflie.  Declare
10807         print_to_mapfile in Input_section.
10808         (class Output_segment): Declare new functions.
10809         * object.h (Sized_relobj::symbol_count): New function.
10810         * script-sections.cc
10811         (Output_section_element_dot_assignment::set_section_addresses):
10812         Change Output_data_fixed_space to Output_data_zero_fill.
10813         (Output_data_expression::do_print_to_mapfile): New function.
10814         * script.cc (read_input_script): Add mapfile parameter.  Change
10815         all callers.
10816         * script.h (read_input_script): Update declaration.
10817         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10818         (Eh_frame::do_print_to_mapfile): New function.
10819         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10820         (Output_merge_string::do_print_to_mapfile): New function.
10821         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10822         function.
10823         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10824         function.
10825         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10826         function.
10827         * Makefile.am (CCFILES): Add mapfile.cc.
10828         (HFILES): Add mapfile.h.
10829         * Makefile.in: Rebuild.
10830
10831 2008-05-19  Ian Lance Taylor  <iant@google.com>
10832
10833         * options.h (class General_options): Add -z relro.
10834         * layout.cc (Layout::Layout): Initialize relro_segment_.
10835         (Layout::add_output_section_data): Return the output section.
10836         (Layout::make_output_section): Rcognize relro sections and mark
10837         them appropriately.
10838         (Layout::attach_allocated_section_to_segment): Put relro sections
10839         in a PT_GNU_RELRO segment.
10840         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10841         section as relro.
10842         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10843         PT_TLS segments.
10844         (Layout::linkonce_mapping): Map d.rel.ro.local to
10845         .data.rel.ro.local.
10846         (Layout::output_section_name): Us .data.rel.ro.local for any
10847         section which begins with that.
10848         * layout.h (class Layout): Update add_output_section_data
10849         declaration.  Add relro_segment_ field.
10850         * output.cc (Output_section::Output_section): Initialize is_relro_
10851         and is_relro_local_ fields.
10852         (Output_segment::add_output_section): Group relro sections.
10853         (Output_segment::is_first_section_relro): New function.
10854         (Output_segment::maximum_alignment): If there is a relro section,
10855         align the segment to the common page size.
10856         (Output_segment::set_section_addresses): Track whether we are
10857         looking at relro sections.  If the last section is a relro
10858         section, align to the common page size.
10859         (Output_segment::set_section_list_addresses): Add in_relro
10860         parameter.  Change all callers.  Align to the page size when
10861         moving from relro to non-relro section.
10862         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10863         segment.
10864         * output.h (class Output_section): Add is_relro_ and
10865         is_relro_local_ fields.
10866         (Output_section::is_relro): New function.
10867         (Output_section::set_is_relro): New function.
10868         (Output_section::is_relro_local): New function.
10869         (Output_section::set_is_relro_local): New function.
10870         (class Output_segment): Update declarations.
10871         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10872         * sparc.cc (Target_sparc::got_section): Likewise.
10873         * x86_64.cc (Target_x86_64::got_section): Likewise.
10874         * testsuite/relro_test_main.cc: New file.
10875         * testsuite/relro_test.cc: New file.
10876         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10877         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10878         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10879         (relro_test.so, relro_test_pic.o): New targets.
10880         * testsuite/Makefile.in: Rebuild.
10881
10882 2008-05-16  Ian Lance Taylor  <iant@google.com>
10883
10884         * output.cc (Output_segment::add_output_section): Remove front
10885         parameter.
10886         * output.h (class Output_segment): Remove
10887         add_initial_output_section and overloaded add_output_section.
10888         Update declaration of remaining add_output_section.
10889         * layout.cc (Layout::create_interp): Call add_output_section
10890         rather than add_initial_output_section.
10891         (Layout::finish_dynamic_section): Likewise.
10892
10893         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10894         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10895         know the dynamic type.
10896         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10897         field.  Initialize it in constructor.
10898         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10899         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10900         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10901         reloc.
10902
10903         * output.cc (Output_reloc::get_address): Change return type to
10904         Elf_Addr.
10905         * output.h (class Output_reloc): Update get_address declaration.
10906         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10907         for section addresses.
10908
10909 2008-05-09  Ian Lance Taylor  <iant@google.com>
10910
10911         PR 6493
10912         * gold.cc (gold_nomem): Use return value of write.
10913
10914 2008-05-08  Ian Lance Taylor  <iant@google.com>
10915
10916         * symtab.c (Symbol::init_base_output_data): Add version
10917         parameter.  Change all callers.
10918         (Symbol::init_base_output_segment): Likewise.
10919         (Symbol::init_base_constant): Likewise.
10920         (Symbol::init_base_undefined): Likewise.
10921         (Sized_symbol::init_output_data): Likewise.
10922         (Sized_symbol::init_output_segment): Likewise.
10923         (Sized_symbol::init_constant): Likewise.
10924         (Sized_symbol::init_undefined): Likewise.
10925         (Symbol_table::do_define_in_output_data): If the new symbol has a
10926         version, mark it as the default.
10927         (Symbol_table::do_define_in_output_segment): Likewise.
10928         (Symbol_table::do_define_as_constant): Likewise.
10929         * symtab.h (class Symbol): Update declarations.
10930         (class Sized_symbol): Likewise.
10931         * resolve.cc (Symbol::override_version): New function.
10932         (Symbol::override_base): Call override_version.
10933         (Symbol::override_base_with_special): Likewise.
10934         * testsuite/ver_script_8.script: New file.
10935         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10936         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10937         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10938         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10939
10940 2008-05-06  Ian Lance Taylor  <iant@google.com>
10941
10942         PR 6049
10943         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10944         functions.
10945         (class General_options): Remove existing --undefined, and add
10946         --no-undefined instead.  Add new --undefined as synonym for -u.
10947         * archive.cc (Archive::add_symbols): Check whether symbol was
10948         named with -u.
10949         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10950         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10951         all uses.  Add IS_UNDEFINED.  Update declarations to split
10952         different versions of init_base.  Declare init_base_undefined.
10953         (Symbol::is_defined): Handle IS_UNDEFINED.
10954         (Symbol::is_undefined): Likewise.
10955         (Symbol::is_weak_undefined): Call is_undefined.
10956         (Symbol::is_absolute): Handle IS_CONSTANT.
10957         (class Sized_symbol): Update declarations to split different
10958         versions of init.  Declare init_undefined.
10959         (class Symbol_table): Declare new functions.
10960         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10961         Change all callers.
10962         (Symbol::init_base_output_data): Likewise.
10963         (Symbol::init_base_output_segment): Likewise.
10964         (Symbol::init_base_constant): Likewise.
10965         (Symbol::init_base_undefined): New function.
10966         (Sized_symbol::init_object): Rename from init.  Change all
10967         callers.
10968         (Sized_symbol::init_output_data): Likewise.
10969         (Sized_symbol::init_output_segment): Likewise.
10970         (Sized_symbol::init_constant): Likewise.
10971         (Sized_symbol::init_undefined): New function.
10972         (Symbol_table::add_undefined_symbols_from_command_line): New
10973         function.
10974         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10975         function.
10976         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10977         (Symbol::output_section): Likewise.
10978         (Symbol::set_output_section): Likewise.
10979         (Symbol_table::sized_finalize_symbol): Likewise.
10980         (Symbol_table::sized_write_globals): Likewise.
10981         * resolve.cc (Symbol_table::should_override): Likewise.
10982         (Symbol::override_base_with_special): Likewise.
10983
10984         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10985         symbol, change it to have default visibility.
10986         * testsuite/protected_1.cc: New file.
10987         * testsuite/protected_2.cc: New file.
10988         * testsuite/protected_3.cc: New file.
10989         * testsuite/protected_main_1.cc: New file.
10990         * testsuite/protected_main_2.cc: New file.
10991         * testsuite/protected_main_3.cc: New file.
10992         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10993         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10994         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10995         (protected_1.so): New target.
10996         (protected_1_pic.o, protected_2_pic.o): New targets.
10997         (protected_3_pic.o): New target.
10998         (check_PROGRAMS): Add protected_2.
10999         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11000         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11001         * testsuite/Makefile.in: Rebuild.
11002
11003         * options.h (DEFINE_var): Add set_user_set_##varname__.
11004         (DEFINE_bool_alias): New macro.
11005         (class General_options): Define -Bstatic using DEFINE_bool_alias
11006         rather than DEFINE_special.  Add --undefined as an alias for -z
11007         defs.
11008         * options.cc (General_options::parse_Bstatic): Remove.
11009
11010         * options.h (class General_options): Add --fatal-warnings.
11011         * main.cc (main): Implement --fatal-warnings.
11012         * errors.h (Errors::warning_count): New function.
11013
11014         * options.h (class General_options): Add -Bsymbolic-functions.
11015         * symtab.h (Symbol::is_preemptible): Check for
11016         -Bsymbolic-functions.
11017
11018 2008-05-05  Ian Lance Taylor  <iant@google.com>
11019
11020         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11021         as noVARNAME rather than no-VARNAME.
11022         (class General_options): Add option -z combreloc.
11023         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11024         get_address.
11025         (Output_reloc::sort_before) [SHT_REL]: New function.
11026         (Output_reloc::sort_before) [SHT_RELA]: New function.
11027         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11028         Sort_relocs_comparison.
11029         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11030         parameter.  Change all callers.
11031         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11032         sort_relocs parameter.  Change all callers.
11033         * output.cc (Output_reloc::get_address): New function, broken out
11034         of write_rel.
11035         (Output_reloc::write_rel): Call it.
11036         (Output_reloc::compare): New function.
11037         (Output_data_reloc_base::do_write): Optionally sort relocs.
11038
11039         * configure.ac: If targ_extra_obj is set, link it in.
11040         * configure.tgt: Initialize all variables.
11041         (x86_64*): Set targ_extra_obj and targ_extra_size.
11042         * configure: Rebuild.
11043
11044         * object.cc (Sized_relobj::include_section_group): Adjust section
11045         indexes read from group data.  Build vector to pass to
11046         layout_group.
11047         * layout.cc (Layout::layout_group): Add flags and shndxes
11048         parameters.  Remove contents parameter.  Change caller.  Update
11049         explicit instantiations.
11050         * layout.h (class Layout): Update layout_group declaration.
11051         * output.cc (Output_data_group::Output_data_group): Add flags and
11052         input_shndxes parameters.  Remove contents parameter.  Change
11053         caller.
11054         (Output_data_group::do_write): Change input_sections_ to
11055         input_shndxes_.
11056         * output.h (class Output_data_group): Update constructor
11057         declaration.  Rename input_sections_ to input_shndxes_.
11058         * testsuite/many_sections_test.cc: Add template.
11059
11060 2008-04-30  Cary Coutant  <ccoutant@google.com>
11061
11062         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11063
11064         * layout.cc (Layout::include_section): Refactored check for debug
11065         info section.
11066         (Layout::add_comdat): Add new parameters.  Change type
11067         of signature parameter.  Add object and shndx to signatures table.
11068         (Layout::find_kept_object): New function.
11069         * layout.h: Include <cstring>.
11070         (Layout::is_debug_info_section): New function.
11071         (Layout::add_comdat): Add new parameters.
11072         (Layout::find_kept_object): New function.
11073         (Layout::Kept_section): New struct.
11074         (Layout::Signatures): Change type of map range.
11075         * object.cc (Relobj::output_section_address): New function.
11076         (Sized_relobj::include_section_group): Add new parameters.  Change
11077         calls to Layout::add_comdat.  Change to build table of kept comdat
11078         groups and table mapping discarded sections to kept sections.
11079         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11080         (Sized_relobj::do_layout): Change calls to include_section_group and
11081         include_linkonce_section.
11082         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11083         value to zero when section is discarded.
11084         (Sized_relobj::map_to_kept_section): New function.
11085         * object.h (Relobj::output_section_address): New function.
11086         (Relobj::Comdat_group): New type.
11087         (Relobj::find_comdat_group): New function.
11088         (Relobj::Comdat_group_table): New type.
11089         (Relobj::Kept_comdat_section): New type.
11090         (Relobj::Kept_comdat_section_table): New type.
11091         (Relobj::add_comdat_group): New function.
11092         (Relobj::set_kept_comdat_section): New function.
11093         (Relobj::get_kept_comdat_section): New function.
11094         (Relobj::comdat_groups_): New field.
11095         (Relobj::kept_comdat_sections_): New field.
11096         (Symbol_value::input_value): Update comment.
11097         (Sized_relobj::map_to_kept_section) New function.
11098         (Sized_relobj::include_linkonce_section): Add new parameter.
11099         * target-reloc.h (Comdat_behavior): New type.
11100         (get_comdat_behavior): New function.
11101         (relocate_section): Add code to map a discarded section to the
11102         corresponding kept section when applying a relocation.
11103
11104 2008-04-30  Craig Silverstein  <csilvers@google.com>
11105
11106         * dwarf_reader.cc (next_generation_count): New static var.
11107         (Addr2line_cache_entry): New struct.
11108         (addr2line_cache): New static var.
11109         (Dwarf_line_info::one_addr2line): Added caching.
11110         (Dwarf_line_info::clear_addr2line_cache): New function.
11111         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11112         cache-size parameter.
11113         (Dwarf_line_info::one_addr2line_cache): New function.
11114         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11115         new cache-size argument to one_addr2line(), and clear cache.
11116
11117 2008-04-28  Cary Coutant  <ccoutant@google.com>
11118
11119         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11120         R_386_PC8 relocations.
11121
11122 2008-04-23  Ian Lance Taylor  <iant@google.com>
11123
11124         * object.cc (Sized_relobj::include_section_group): Check for
11125         invalid section group.
11126
11127         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11128         header size.
11129
11130         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11131         than read for file header.
11132         * archive.cc (Archive::include_member): Likewise.
11133
11134 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11135
11136         * aclocal.m4: Regenerate.
11137         * configure: Regenerate.
11138
11139 2008-04-19  Ian Lance Taylor  <iant@google.com>
11140
11141         * version.cc (version_string): Bump to 1.6.
11142
11143         * testsuite/Makefile.am (many_sections_r_test): New target.
11144         (many_sections_r_test_SOURCES): Remove.
11145         (many_sections_r_test_DEPENDENCIES): Remove.
11146         (many_sections_r_test_LDFLAGS): Remove.
11147         (many_sections_r_test_LDADD): Remove.
11148
11149         * object.cc (Sized_relobj::do_add_symbols): Always pass
11150         local_symbol_count_ to add_from_relobj.
11151
11152         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11153         every thousand variables.
11154         * testsuite/Makefile.in: Rebuild.
11155
11156         * object.cc (Xindex::initialize_symtab_xindex): New function.
11157         (Xindex::read_symtab_xindex): New function.
11158         (Xindex::sym_xindex_to_shndx): New function.
11159         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11160         available.
11161         (Sized_relobj::do_initialize_xindex): New function.
11162         (Sized_relobj::do_read_symbols): Adjust section links.
11163         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11164         parameter.  Change all callers.
11165         (Sized_relobj::include_section_group): Adjust section links and
11166         symbol section indexes.
11167         (Sized_relobj::do_layout): Adjust section links.
11168         (Sized_relobj::do_count_local_symbols): Adjust section links and
11169         symbol section indexes.
11170         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11171         ordinary and special symbols.
11172         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11173         dynsym_xindex parameters.  Change all callers.  Adjust section
11174         links.  Use SHN_XINDEX when needed.
11175         (Sized_relobj::get_symbol_location_info): Adjust section links.
11176         Don't get fooled by special symbols.
11177         * object.h (class Xindex): Define.
11178         (class Object): Add xindex_ parameter.  Declare virtual functoin
11179         do_initialize_xindex.
11180         (Object::adjust_sym_shndx): New function.
11181         (Object::set_xindex): New protected function.
11182         (class Symbol_value): Add is_ordinary_shndx_ field.
11183         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11184         (Symbol_value::value): Assert ordinary section.
11185         (Symbol_value::initialize_input_to_output_map): Likewise.
11186         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11187         Change all callers.
11188         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11189         all callers.
11190         (class Sized_relobj): Update declarations.
11191         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11192         parameter.  Change all callers.
11193         (Sized_relobj::adjust_shndx): New function.
11194         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11195         field.
11196         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11197         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11198         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11199         (Sized_dynobj::read_dynsym_section): Adjust section links.
11200         (Sized_dynobj::read_dynamic): Likewise.
11201         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11202         section links.
11203         (Sized_dynobj::do_initialize_xindex): New function.
11204         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11205         do_initialize_xindex.
11206         (Sized_dynobj::adjust_shndx): New function.
11207         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11208         dynsym_xindex_ fields.
11209         (Layout::finalize): Add a call to set_section_indexes before
11210         creating the symtab sections.
11211         (Layout::set_section_indexes): Don't do anything if the section
11212         already has a section index.
11213         (Layout::create_symtab_sections): Add shnum parameter.  Change
11214         caller.  Create .symtab_shndx section if needed.
11215         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11216         caller.
11217         (Layout::allocated_output_section_count): New function.
11218         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11219         needed.
11220         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11221         fields.  Update declarations.
11222         (Layout::symtab_xindex): New function.
11223         (Layout::dynsym_xindex): New function.
11224         (class Write_symbols_task): Add layout_ field.
11225         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11226         Change caller.
11227         * output.cc (Output_section_headers::Output_section_headers): Add
11228         shstrtab_section parameter.  Change all callers.
11229         (Output_section_headers::do_sized_write): Store overflow values
11230         for section count and section string table section index in
11231         section header zero.
11232         (Output_file_header::do_sized_write): Check for overflow of
11233         section count and section string table section index.
11234         (Output_symtab_xindex::do_write): New function.
11235         (Output_symtab_xindex::endian_do_write): New function.
11236         * output.h (class Output_section_headers): Add shstrtab_section_.
11237         Update declarations.
11238         (class Output_symtab_xindex): Define.
11239         (Output_section::has_out_shndx): New function.
11240         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11241         field.
11242         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11243         Change all callers.
11244         (Sized_symbol::init): Likewise.
11245         (Symbol::output_section): Check for ordinary symbol.
11246         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11247         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11248         callers.
11249         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11250         Change all callers.  Simplify handling of symbols from sections
11251         not included in the link.
11252         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11253         distinction.
11254         (Weak_alias_sorter::operator()): Assert that symbols are
11255         ordinary.
11256         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11257         distinction.
11258         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11259         parameters.  Change all callers.
11260         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11261         symbol distinction.  Use SHN_XINDEX when needed.
11262         (Symbol_table::write_section_symbol): Add symtab_xindex
11263         parameter.  Change all callers.
11264         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11265         SHN_XINDEX when needed.
11266         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11267         declarations.
11268         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11269         (Symbol::is_defined): Check is_ordinary.
11270         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11271         (Symbol::is_absolute, Symbol::is_common): Likewise.
11272         (class Sized_symbol): Update declarations.
11273         (class Symbol_table): Update declarations.
11274         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11275         parameters.  Change all callers.
11276         (Sized_symbol::override): Likewise.
11277         (Symbol_table::override): Likewise.
11278         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11279         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11280         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11281         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11282         to be in an ordinary section.
11283         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11284         object and is_ordinary parameters.  Change all callers.
11285         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11286         Change all callers.  Don't add undefined or non-ordinary symbols
11287         to reloc_map_.
11288         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11289         Change all callers.
11290         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11291         declarations.
11292         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11293         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11294         (Sized_relobj::relocate_sections): Likewise.
11295         * target-reloc.h (scan_relocs): Adjust section symbol index.
11296         (scan_relocatable_relocs): Likewise.
11297         * i386.cc (Scan::local): Check for ordinary symbols.
11298         * sparc.cc (Scan::local): Likewise.
11299         * x86_64.cc (Scan::local): Likewise.
11300         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11301         to symbol_section_and_value.
11302         * testsuite/many_sections_test.cc: New file.
11303         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11304         (check_PROGRAMS): Add many_sections_test.
11305         (many_sections_test_SOURCES): Define.
11306         (many_sections_test_DEPENDENCIES): Define.
11307         (many_sections_test_LDFLAGS): Define.
11308         (BUILT_SOURCES): Add many_sections_define.h.
11309         (many_sections_define.h): New target.
11310         (BUILT_SOURCES): Add many_sections_check.h.
11311         (many_sections_check.h): New target.
11312         (check_PROGRAMS): Add many_sections_r_test.
11313         (many_sections_r_test_SOURCES): Define.
11314         (many_sections_r_test_DEPENDENCIES): Define.
11315         (many_sections_r_test_LDFLAGS): Define.
11316         (many_sections_r_test_LDADD): Define.
11317         (many_sections_r_test.o): New target.
11318         * testsuite/Makefile.in: Rebuild.
11319
11320 2008-04-17  Cary Coutant  <ccoutant@google.com>
11321
11322         * errors.cc (Errors::info): New function.
11323         (gold_info): New function.
11324         * errors.h (Errors::info): New function.
11325         * gold.h (gold_info): New function.
11326         * object.cc (Input_objects::add_object): Print trace output.
11327         * options.cc (options::parse_set): New function.
11328         (General_options::parse_wrap): Deleted.
11329         (General_options::General_options): Deleted initializer.
11330         * options.h (options::String_set): New typedef.
11331         (options::parse_set): New function.
11332         (DEFINE_set): New macro.
11333         (General_options::wrap): Changed to use DEFINE_set. Changed
11334         callers of any_wrap_symbols and is_wrap_symbol.
11335         (General_options::trace, General_options::trace_symbol):
11336         New options.
11337         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11338         (General_options::wrap_symbols_): Deleted.
11339         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11340
11341 2008-04-17  David S. Miller  <davem@davemloft.net>
11342
11343         * options.cc (General_options::parse_V): New function.
11344         * options.h: Add entries for -V and -Qy.
11345
11346 2008-04-17  Ian Lance Taylor  <iant@google.com>
11347
11348         * common.cc (Symbol_table::allocate_commons): Remove options
11349         parameter.  Change caller.
11350         (Symbol_table::do_allocate_commons): Remove options parameter.
11351         Change caller.  Just call do_allocate_commons_list twice.
11352         (Symbol_table::do_allocate_commons_list): New function, broken out
11353         of do_allocate_commons.
11354         * common.h (class Allocate_commons_task): Remove options_ field.
11355         Update constructor.
11356         * symtab.cc (Symbol_table::Symbol_table): Initialize
11357         tls_commons_.
11358         (Symbol_table::add_from_object): Put TLS common symbols on
11359         tls_commons_ list.
11360         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11361         which are IN_OUTPUT_DATA.
11362         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11363         allocate_commons and do_allocate_commons declarations.  Declare
11364         do_allocate_commons_list.
11365         * gold.cc (queue_middle_tasks): Update creation of
11366         Allocate_commons_task to not pass options.
11367         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11368         (TLS_TEST_C_FLAGS): New variable.
11369         (tls_test_c_pic.o): New target.
11370         (tls_test_shared.so): Link in tls_test_c_pic.o.
11371         (tls_test_c_pic_ie.o): New target.
11372         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11373         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11374         (tls_test_c.o): New target.
11375         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11376         (tls_pic_test_LDADD): Likewise.
11377         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11378         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11379         (tls_test_c_gnu2.o): New target.
11380         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11381         tls_test_c_gnu2.o.
11382         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11383         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11384         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11385         * testsuite/tls_test.cc: Include "config.h".
11386         (t_last): Call t11_last.
11387         * testsuite/tls_test.h (t11, t11_last): Declare.
11388         * testsuite/tls_test_c.c: New file.
11389         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11390         * configure.ac: Check for OpenMP support.
11391         * configure, config.in, Makefile.in: Rebuild.
11392         * testsuite/Makefile.in: Rebuild.
11393
11394 2008-04-16  Cary Coutant  <ccoutant@google.com>
11395
11396         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11397         (Target_i386::tls_base_symbol_defined_): New field.
11398         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11399         (Target_i386::Scan::global): Likewise.
11400         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11401         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11402         (Target_x86_64::tls_base_symbol_defined_): New field.
11403         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11404         (Target_x86_64::Scan::global): Likewise.
11405
11406 2008-04-16  Cary Coutant  <ccoutant@google.com>
11407
11408         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11409         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11410         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11411         building shared libraries.
11412         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11413         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11414         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11415         * testsuite/Makefile.in: Rebuild.
11416         * testsuite/weak_undef.h: New file.
11417         * testsuite/weak_undef_file1.cc: Add extra test cases.
11418         * testsuite/weak_undef_file2.cc: Likewise.
11419         * testsuite/weak_undef_test.cc: Likewise.
11420
11421 2008-04-16  David S. Miller  <davem@davemloft.net>
11422
11423         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11424         Add issued_non_pic_error_ field.  Declare check_non_pic.
11425         (Target_sparc::Scan::check_non_pic): New function.
11426         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11427         (Target_sparc::Scan::global): Likewise.
11428
11429         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11430         * configure: Rebuild.
11431
11432         * options.h (DEFINE_enable): New macro.
11433         (new_dtags): New enable option.
11434         (initfirst, interpose, loadfltr, nodefaultlib,
11435         nodelete, nodlopen, nodump): New -z options.
11436         * layout.cc (Layout:finish_dynamic_section): If new
11437         dtags enabled, emit DT_RUNPATH.  Also, emit a
11438         DT_FLAGS_1 containing any specified -z flags.
11439
11440 2008-04-16  Ian Lance Taylor  <iant@google.com>
11441
11442         * copy-relocs.cc: New file.
11443         * copy-relocs.h: New file.
11444         * reloc.cc: Remove Copy_relocs code.
11445         * reloc.h: Likewise.
11446         * reloc-types.h (struct Reloc_types) [both versions]: Add
11447         get_reloc_addend_noerror.
11448         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11449         variants of add_global which take an addend which must be zero.
11450         * i386.cc: Include "copy-relocs.h".
11451         (class Target_i386): Change type of copy_relocs_ to variable,
11452         update initializer.
11453         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11454         Change all callers.
11455         (Target_i386::do_finalize_sections): Change handling of
11456         copy_relocs_.
11457         * sparc.cc: Include "copy-relocs.h".
11458         (class Target_sparc): Change type of copy_relocs_ to variable,
11459         update initializer.
11460         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11461         Change all callers.
11462         (Target_sparc::do_finalize_sections): Change handling of
11463         copy_relocs_.
11464         * x86_64.cc: Include "copy-relocs.h".
11465         (class Target_x86_64): Change type of copy_relocs_ to variable,
11466         update initializer.
11467         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11468         class.  Change all callers.
11469         (Target_x86_64::do_finalize_sections): Change handling of
11470         copy_relocs_.
11471         * Makefile.am (CCFILES): Add copy-relocs.cc.
11472         (HFILES): Add copy-relocs.h.
11473
11474         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11475
11476         * testsuite/script_test_4.sh: Permit leading zeroes.
11477
11478 2008-04-15  Ian Lance Taylor  <iant@google.com>
11479
11480         * script-sections.cc (Script_sections::create_segments): Use
11481         header_size_adjustment even when there is enough room for the
11482         headers.
11483         * testsuite/script_test_4.sh: New file.
11484         * testsuite/script_test_4.t: New file.
11485         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11486         (check_DATA): Add script_test_4.stdout.
11487         (MOSTLYCLEANFILES): Likewise.
11488         (script_test_4): New target.
11489         (script_test_4.stdout): New target.
11490         * testsuite/Makefile.in: Rebuild.
11491
11492         * sparc.cc: Add definitions for Output_data_plt_sparc class
11493         constants.
11494
11495 2008-04-14  David S. Miller  <davem@davemloft.net>
11496
11497         * sparc.cc: New file.
11498         * Makefile.am (TARGETSOURCES): Add sparc.cc
11499         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11500         * configure.tgt: Document targ_extra_size and
11501         targ_extra_big_endian.  Add entries for sparc-* and
11502         sparc64-*.
11503         * configure.ac: Handle targ_extra_size and
11504         targ_extra_big_endian.
11505         * Makefile.in: Rebuild.
11506         * configure: Likewise.
11507         * po/POTFILES.in: Likewise.
11508         * po/gold.pot: Likewise.
11509
11510 2008-04-14  Ian Lance Taylor  <iant@google.com>
11511
11512         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11513         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11514         in the name/type/flags to section mapping.  Don't call
11515         allocate_output_section.
11516         (Layout::choose_output_section): Change parameter from adjust_name
11517         to is_input_section.  Don't permit input sections after sections
11518         are attached to segments.  Don't call allocate_output_section.
11519         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11520         not write_enable_output_section.
11521         (Layout::make_output_section): Don't push to
11522         unattached_section_list_ nor call attach_to_segment.  Call
11523         attach_section_to_segment if sections are attached.
11524         (Layout::attach_sections_to_segments): New function.
11525         (Layout::attach_section_to_segment): New function.
11526         (Layout::attach_allocated_section_to_segment): Rename from
11527         attach_to_segment.  Remove flags parameter.
11528         (Layout::allocate_output_section): Remove function.
11529         (Layout::write_enable_output_section): Remove function.
11530         * layout.h (class Layout): Update for above changes.  Add new
11531         field sections_are_attached_.
11532         * output.h (Output_section::update_flags_for_input_section): New
11533         function.
11534         * output.cc (Output_section::add_input_section): Call
11535         update_flags_for_input_section.
11536         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11537
11538 2008-04-11  Cary Coutant  <ccoutant@google.com>
11539
11540         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11541         thought unnecessary.
11542         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11543
11544 2008-04-11  Ian Lance Taylor  <iant@google.com>
11545
11546         * output.h (class Output_section_data): Remove inline definition
11547         of set_addralign.
11548         * output.cc (Output_section_data::set_addralign): New function.
11549
11550 2008-04-11  Cary Coutant  <ccoutant@google.com>
11551
11552         Add support for TLS descriptors for i386 and x86_64.
11553         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11554         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11555         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11556         GOT_TYPE_TLS_DESC.
11557         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11558         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11559         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11560         relocations.
11561         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11562         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11563         Fix problem with initial-exec relocations.
11564         (Target_i386::Relocate::relocate_tls): Likewise.
11565         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11566         relaxation.
11567         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11568         support for section-plus-offset dynamic table entries.
11569         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11570         (Output_data_dynamic::Dynamic_entry): Add support for
11571         section-plus-offset dynamic table entries.
11572         (Output_data_dynamic::Classification): Likewise.
11573         (Output_data_dynamic::classification_): Renamed offset_.
11574         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11575         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11576         (Target_x86_64::make_plt_section): New function.
11577         (Target_x86_64::reserve_tlsdesc_entries): New function.
11578         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11579         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11580         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11581         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11582         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11583         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11584         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11585         add extra PLT entry for TLS descriptors.
11586         (Output_data_plt_x86_64::got_): New field.
11587         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11588         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11589         fields.
11590         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11591         descriptors.
11592         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11593         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11594         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11595         R_386_TLS_DESC_CALL relocations.
11596         (Target_x86_64::Scan::global): Likewise.
11597         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11598         for TLS descriptors.
11599         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11600         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11601         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11602         GD-to-IE relaxation.
11603         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11604         and TLS_DESCRIPTORS.
11605         * Makefile.in: Rebuild.
11606         * configure: Rebuild.
11607         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11608         (tls_test_shared2.so): New target.
11609         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11610         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11611         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11612         (tls_shared_gd_to_ie_test_LDADD): New variable.
11613         (tls_shared_gnu2_gd_to_ie_test): New target.
11614         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11615         New targets.
11616         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11617         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11618         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11619         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11620         (tls_shared_gnu2_test): New target.
11621         (tls_test_gnu2_shared.so): New target.
11622         (tls_shared_gnu2_test_SOURCES): New variable.
11623         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11624         (tls_shared_gnu2_test_LDFLAGS): New variable.
11625         (tls_shared_gnu2_test_LDADD): New variable.
11626         * testsuite/Makefile.in: Rebuild.
11627         * testsuite/Makefile.
11628
11629 2008-04-11  Ian Lance Taylor  <iant@google.com>
11630
11631         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11632         justsyms.t.
11633         * testsuite/Makefile.in: Rebuild.
11634
11635         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11636         long.
11637         * testsuite/script_test_2.cc (main): Adjust test.
11638
11639 2008-04-11  David S. Miller  <davem@davemloft.net>
11640             Ian Lance Taylor  <iant@google.com>
11641
11642         * options.h (General_options): Add entries for '-Y' and
11643         '-relax'.
11644         * options.cc (General_options:finalize): If -Y was used, add those
11645         entries to the library path instead of the default "/lib" and
11646         "/usr/lib".
11647
11648 2008-04-11  David S. Miller  <davem@davemloft.net>
11649
11650         * testsuite/justsyms.t: Start at 0x100.
11651         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11652         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11653         long.
11654         * testsuite/script_test_2.cc: Adjust string and section length
11655         checks.
11656
11657 2008-04-09  Ian Lance Taylor  <iant@google.com>
11658
11659         PR gold/5996
11660         * script-sections.cc (Sections_element::allocate_to_segment): Add
11661         orphan parameter.
11662         (Output_section_definition::allocate_to_segment): Likewise.
11663         (Orphan_output_section::allocate_to_segment): Likewise.
11664         (Script_sections::attach_sections_using_phdrs_clause): Don't
11665         propagate non-PT_LOAD segments to orphan sections.
11666         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11667         readelf rather than objdump.
11668         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11669         .interp section and PT_INTERP segment are the same size.
11670         * testsuite/Makefile.in: Rebuild.
11671
11672         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11673         aliases for symbols defined in the same object.
11674         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11675         (weak_alias_test_SOURCES): New variable.
11676         (weak_alias_test_DEPENDENCIES): New variable.
11677         (weak_alias_test_LDFLAGS): New variable.
11678         (weak_alias_test_LDADD): New variable.
11679         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11680         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11681         (weak_alias_test_3.o): New target.
11682         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11683         * testsuite/weak_alias_test_main.cc: New file.
11684         * testsuite/weak_alias_test_1.cc: New file.
11685         * testsuite/weak_alias_test_2.cc: New file.
11686         * testsuite/weak_alias_test_3.cc: New file.
11687
11688 2008-04-08  Ian Lance Taylor  <iant@google.com>
11689
11690         * options.h (class General_options): Add --noinhibit-exec option.
11691         * main.cc (main): Check --noinhibit-exec.
11692
11693         * options.h (class General_options): Define --wrap as a special
11694         option.  Add wrap_symbols_ field.
11695         (General_options::any_wrap_symbols): New function.
11696         (General_options::is_wrap_symbol): New function.
11697         * options.cc (General_options::parse_wrap): New function.
11698         (General_options::General_options): Initialize wrap_symbols_.
11699         * symtab.cc (Symbol_table::wrap_symbol): New function.
11700         (Symbol_table::add_from_object): Handle --wrap.
11701         * symtab.h (class Symbol_table): Declare wrap_symbol.
11702         * target.h (Target::wrap_char): New function.
11703         (Target::Target_info): Add wrap_char field.
11704         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11705         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11706         * testsuite/testfile.cc (Target_test::test_target_info):
11707         Likewise.
11708
11709         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11710         there is one.
11711
11712         * layout.h (class Layout): Add added_eh_frame_data_ field.
11713         * layout.cc (Layout::Layout): Initialize new field.
11714         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11715         output section until we find a section we merged successfully.
11716         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11717         that the size be non-zero.
11718
11719         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11720         qualifier.
11721
11722 2008-04-08  Craig Silverstein  <csilvers@google.com>
11723
11724         * configure.ac: Export new conditional variable HAVE_ZLIB.
11725         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11726         on HAVE_ZLIB.
11727         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11728         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11729
11730 2008-04-07  Ian Lance Taylor  <iant@google.com>
11731
11732         * version.cc (version_string): Set to "1.5".
11733
11734         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11735         Add issued_non_pic_error_ field.  Declare check_non_pic.
11736         (Target_x86_64::Scan::check_non_pic): New function.
11737         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11738         (Target_x86_64::Scan::global): Likewise.
11739
11740         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11741         addend parameter.  Change caller.  Handle merge sections.
11742         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11743         Address to Addend.  Don't add in the result of
11744         local_section_offset, pass down the addend and use the returned
11745         value.
11746         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11747         Update declarations of local_section_offset and symbol_value.
11748         * testsuite/two_file_test_1.cc (t18): New function.
11749         * testsuite/two_file_test_2.cc (f18): New function.
11750         * testsuite/two_file_test_main.cc (main): Call t18.
11751         * testsuite/two_file_test.h (t18, f18): Declare.
11752
11753         * configure.ac: Don't test for objdump, c++filt, or readelf.
11754         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11755         conditionals.
11756         (TEST_READELF): New variable.
11757         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11758         (check_PROGRAMS): Add two_file_strip_test.
11759         (two_file_strip_test): New target.
11760         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11761         (two_file_same_shared_strip_test_SOURCES): New variable.
11762         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11763         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11764         (two_file_same_shared_strip_test_LDADD): New variable.
11765         (two_file_shared_strip.so): New target.
11766         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11767         (ver_test_5.syms, ver_test_7.syms): Likewise.
11768         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11769         (strip_test_3.stdout): Use TEST_OBJDUMP.
11770         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11771
11772 2008-04-04  Cary Coutant  <ccoutant@google.com>
11773
11774         * symtab.h (Symbol::is_weak_undefined): New function.
11775         (Symbol::is_strong_undefined): New function.
11776         (Symbol::is_absolute): New function.
11777         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11778         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11779         absolute symbols.
11780         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11781         (weak_undef_test): New target.
11782         * testsuite/Makefile.in: Rebuild.
11783         * testsuite/weak_undef_file1.cc: New file.
11784         * testsuite/weak_undef_file2.cc: New file.
11785         * testsuite/weak_undef_test.cc: New file.
11786
11787 2008-04-03  Craig Silverstein  <csilvers@google.com>
11788
11789         * compressed_output.h (class Output_compressed_section): Use
11790         unsigned buffer.
11791         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11792         add zlib header.
11793         (zlib_compressed_suffix): Removed.
11794         (Output_compressed_section::set_final_data_size): Use unsigned
11795         buffers.
11796         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11797         Fix linker invocation.
11798         (flagstest_o_specialfile_and_compress_debug_sections):
11799         Likewise.
11800         * testsuite/Makefile.in: Regenerated.
11801
11802 2008-04-02  David S. Miller  <davem@davemloft.net>
11803
11804         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11805         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11806
11807 2008-04-02  Craig Silverstein  <csilvers@google.com>
11808
11809         * TODO: New file.
11810
11811 2008-04-02  Ian Lance Taylor  <iant@google.com>
11812
11813         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11814         parameters.  Update for new key type to views_.  Change all
11815         callers.
11816         (File_read::read): Adjust for byteshift in returned view.
11817         (File_read::add_view): New function, broken out of
11818         find_and_make_view.
11819         (File_read::make_view): New function, broken out of
11820         find_and_make_view.
11821         (File_read::find_or_make_view): Add offset and aligned
11822         parameters.  Rewrite accordingly.  Change all callers.
11823         (File_read::get_view): Add offset and aligned parameters.  Adjust
11824         for byteshift in return value.
11825         (File_read::get_lasting_view): Likewise.
11826         * fileread.h (class File_read): Update declarations.
11827         (class File_read::View): Add byteshift_ field.  Add byteshift to
11828         constructor.  Add byteshift method.
11829         * archive.h (Archive::clear_uncached_views): New function.
11830         (Archive::get_view): Add aligned parameter.  Change all callers.
11831         * object.h (Object::get_view): Add aligned parameter.  Change all
11832         callers.
11833         (Object::get_lasting_view): Likewise.
11834
11835         * fileread.cc (File_read::release): Don't call clear_views if
11836         there are multiple objects.
11837         * fileread.h (File_read::clear_uncached_views): New function.
11838         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11839         on the archive.
11840
11841 2008-03-31  Cary Coutant  <ccoutant@google.com>
11842
11843         Add thin archive support.
11844         * archive.cc (Archive::armagt): New const.
11845         (Archive::setup): Remove task parameter and calls to unlock.
11846         (Archive::unlock_nested_archives): New function.
11847         (Archive::read_header): Add nested_off parameter. Change
11848         all callers.
11849         (Archive::interpret_header): Likewise.
11850         (Archive::include_all_members): Change to handle thin
11851         archives.
11852         (Archive::include_member): Likewise.
11853         * archive.h (Archive::Archive): Add new parameters and
11854         initializers.
11855         (Archive::armagt): New const.
11856         (Archive::setup): Remove task parameter.
11857         (Archive::unlock_nested_archives): New function.
11858         (Archive::read_header): Add nested_off parameter.
11859         (Archive::interpret_header): Likewise.
11860         (Archive::Nested_archive_table): New typedef.
11861         (Archive::is_thin_archive_): New field.
11862         (Archive::nested_archives_): New field.
11863         (Archive::options_): New field.
11864         (Archive::dirpath_): New field.
11865         (Archive::task_): New field.
11866         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11867         for thin archives.  Pass additional parameters to
11868         Archive::Archive.  Unlock the archive file after calling
11869         Archive::setup.
11870
11871 2008-03-29  Ian Lance Taylor  <iant@google.com>
11872
11873         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11874         version symbol to be local.
11875         * testsuite/ver_test_4.sh: New file.
11876         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11877         (check_DATA): Add ver_test_4.syms.
11878         (ver_test_4.syms): New target.
11879         * testsuite/Makefile.in: Rebuild.
11880
11881         * output.cc
11882         (Output_section::Input_section_sort_entry::has_priority): New
11883         function.
11884         (Output_section::Input_section_sort_entry::match_file_name): New
11885         function.
11886         (Output_section::Input_section_sort_entry::match_section_name):
11887         Remove.
11888         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11889         Remove.
11890         (Output_section::Input_section_sort_entry::match_section_file):
11891         Remove.
11892         (Output_section::Input_section_sort_compare::operator()): Rewrite
11893         using new Input_section_sort_entry functions.  Sort crtbegin and
11894         crtend first.  Sort sections with no priority before sections with
11895         a priority.
11896         * testsuite/initpri1.c (d3): Check j != 4.
11897         (cd5): New constructor/destructor function.
11898         (main): Check j != 2.
11899
11900         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11901         new symbol when resolving, don't call set_is_default.
11902         * testsuite/ver_test_7.cc: New file.
11903         * testsuite/ver_test_7.sh: New file.
11904         * testsuite/Makefile.am (ver_test_7.so): New target.
11905         (ver_test_7.o): New target.
11906         (check_SCRIPTS): Add ver_test_7.sh.
11907         (check_DATA): Add ver_test_7.syms.
11908         (ver_test_7.syms): New target.
11909
11910 2008-03-28  Ian Lance Taylor  <iant@google.com>
11911
11912         * layout.cc (Layout::layout): If we see an input section with a
11913         name that needs sorting, set the must_sort flag for the output
11914         section.
11915         (Layout::make_output_section): If the name of the output section
11916         indicates that it might require sorting, set the may_sort flag.
11917         * output.h (Output_section::may_sort_attached_input_sections): New
11918         function.
11919         (Output_section::set_may_sort_attached_input_sections): New
11920         function.
11921         (Output_section::must_sort_attached_input_sections): New
11922         function.
11923         (Output_section::set_must_sort_attached_input_sections): New
11924         function.
11925         (class Output_section): Declare Input_section_sort_entry.  Define
11926         Input_section_sort_compare.  Declare
11927         sort_attached_input_sections.  Add new fields:
11928         may_sort_attached_input_sections_,
11929         must_sort_attached_input_sections_,
11930         attached_input_sections_are_sorted_.
11931         * output.cc (Output_section::Output_section): Initialize new
11932         fields.
11933         (Output_section::add_input_section): Add an entry to
11934         input_sections_ if may_sort or must_sort are true.
11935         (Output_section::set_final_data_size): Call
11936         sort_attached_input_sections if necessary.
11937         (Output_section::Input_section_sort_entry): Define new class.
11938         (Output_section::Input_section_sort_compare::operator()): New
11939         function.
11940         (Output_section::sort_attached_input_sections): New function.
11941         * configure.ac: Check whether the compiler supports constructor
11942         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11943         * testsuite/initpri1.c: New file.
11944         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11945         CONSTRUCTOR_PRIORITY.
11946         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11947         (initpri1_LDFLAGS): New variable.
11948         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11949
11950 2008-03-27  Ian Lance Taylor  <iant@google.com>
11951
11952         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11953         * testsuite/common_test_1.c: New file.
11954         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11955         (common_test_1_SOURCES): New variable.
11956         (common_test_1_DEPENDENCIES): New variable.
11957         (common_test_1_LDFLAGS): New variable.
11958
11959         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11960         and commons_ correctly when NAME/VERSION does not override
11961         NAME/NULL.
11962         * testsuite/ver_test_6.c: New file.
11963         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11964         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11965         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11966
11967 2008-03-26  Ian Lance Taylor  <iant@google.com>
11968
11969         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11970         of an undefined symbol from a version script.
11971         * testsuite/Makefile.am (ver_test_5.so): New target.
11972         (ver_test_5.o): New target.
11973         (check_SCRIPTS): Add ver_test_5.sh.
11974         (check_DATA): Add ver_test_5.syms.
11975         (ver_test_5.syms): New target.
11976         * testsuite/ver_test_5.cc: New file.
11977         * testsuite/ver_test_5.script: New file.
11978         * testsuite/ver_test_5.sh: New file.
11979         * Makefile.in, testsuite/Makefile.in: Rebuild.
11980
11981         PR gold/5986
11982         Fix problems building gold with gcc 4.3.0.
11983         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11984         (gold_error_at_location, gold_warning_at_location): Use it.
11985         * configure.ac: Check whether we can compile and use a template
11986         function with a printf attribute.
11987         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11988         when jumping over bytes.
11989         * object.cc: Instantiate Object::read_section_data.
11990         * debug.h: Include <cstring>
11991         * dwarf_reader.cc: Include <algorithm>
11992         * main.cc: Include <cstring>.
11993         * options.cc: Include <cstring>.
11994         * output.cc: Include <cstring>.
11995         * script.cc: Include <cstring>.
11996         * script.h: Include <string>.
11997         * symtab.cc: Include <cstring> and <algorithm>.
11998         * target-select.cc: Include <cstring>.
11999         * version.cc: Include <string>.
12000         * testsuite/testmain.cc: Include <cstdlib>.
12001         * configure, config.in: Rebuild.
12002
12003 2008-03-25  Ian Lance Taylor  <iant@google.com>
12004
12005         * options.cc: Include "../bfd/bfdver.h".
12006         (options::help): Print bug reporting address.
12007
12008         * version.cc (print_version): Adjust output for current value of
12009         BFD_VERSION_STRING.
12010
12011         * NEWS: New file.
12012
12013         * options.cc (options::help): Print list of supported targets.
12014         * target-select.h: Include <vector>.
12015         (class Target_selector): Make machine_, size_, and is_big_endian_
12016         fields const.  Add bfd_name_ and instantiated_target_ fields.
12017         (Target_selector::Target_selector): Add bfd_name parameter.
12018         (Target_selector::recognize): Make non-virtual, call
12019         do_recognize.
12020         (Target_selector::recognize_by_name): Make non-virtual, call
12021         do_recognize_by_name.
12022         (Target_selector::supported_names): New function.
12023         (Target_selector::bfd_name): New function.
12024         (Target_selector::do_instantiate_target): New pure virtual
12025         function.
12026         (Target_selector::do_recognize): New virtual function.
12027         (Target_selector::do_recognize_by_name): New virtual function.
12028         (Target_selector::instantiate_target): New private function.
12029         (supported_target_names): Declare.
12030         * target-select.cc (Target_selector::Target_selector): Update for
12031         new parameter and fields.
12032         (select_target_by_name): Check that the name matches before
12033         calling recognize_by_name.
12034         (supported_target_names): New function.
12035         * i386.cc (class Target_selector_i386): Update Target_selector
12036         constructor call.  Remove recognize and recognize_by_name.  Add
12037         do_instantiate_target.
12038         * x86_64.cc (class Target_selector_x86_64): Likewise.
12039         * testsuite/testfile.cc (class Target_selector_test): Update for
12040         changes to Target_selector.
12041
12042         * README: Rewrite, with some notes on unsupported features.
12043
12044 2008-03-24  Cary Coutant  <ccoutant@google.com>
12045
12046         * i386.cc (Target_i386::Got_type): New enum declaration.
12047         (Target_i386::Scan::local): Updated callers of Output_data_got
12048         member functions.
12049         (Target_i386::Scan::global): Likewise.
12050         (Target_i386::Relocate::relocate): Likewise.
12051         (Target_i386::Relocate::relocate_tls): Likewise.
12052         * object.h (Got_offset_list): New class.
12053         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12054         (Sized_relobj::local_got_offset): Likewise.
12055         (Sized_relobj::set_local_got_offset): Likewise.
12056         (Sized_relobj::local_has_tls_got_offset): Removed.
12057         (Sized_relobj::local_tls_got_offset): Removed.
12058         (Sized_relobj::set_local_tls_got_offset): Removed.
12059         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12060         * output.cc (Output_data_got::add_global): Added got_type parameter.
12061         (Output_data_got::add_global_with_rel): Likewise.
12062         (Output_data_got::add_global_with_rela): Likewise.
12063         (Output_data_got::add_global_pair_with_rel): New function.
12064         (Output_data_got::add_global_pair_with_rela): New function.
12065         (Output_data_got::add_local): Added got_type parameter.
12066         (Output_data_got::add_local_with_rel): Likewise.
12067         (Output_data_got::add_local_with_rela): Likewise.
12068         (Output_data_got::add_local_pair_with_rel): New function.
12069         (Output_data_got::add_local_pair_with_rela): New function.
12070         (Output_data_got::add_global_tls): Removed.
12071         (Output_data_got::add_global_tls_with_rel): Removed.
12072         (Output_data_got::add_global_tls_with_rela): Removed.
12073         (Output_data_got::add_local_tls): Removed.
12074         (Output_data_got::add_local_tls_with_rel): Removed.
12075         (Output_data_got::add_local_tls_with_rela): Removed.
12076         * output.h (Output_data_got::add_global): Added got_type parameter.
12077         (Output_data_got::add_global_with_rel): Likewise.
12078         (Output_data_got::add_global_with_rela): Likewise.
12079         (Output_data_got::add_global_pair_with_rel): New function.
12080         (Output_data_got::add_global_pair_with_rela): New function.
12081         (Output_data_got::add_local): Added got_type parameter.
12082         (Output_data_got::add_local_with_rel): Likewise.
12083         (Output_data_got::add_local_with_rela): Likewise.
12084         (Output_data_got::add_local_pair_with_rel): New function.
12085         (Output_data_got::add_local_pair_with_rela): New function.
12086         (Output_data_got::add_global_tls): Removed.
12087         (Output_data_got::add_global_tls_with_rel): Removed.
12088         (Output_data_got::add_global_tls_with_rela): Removed.
12089         (Output_data_got::add_local_tls): Removed.
12090         (Output_data_got::add_local_tls_with_rel): Removed.
12091         (Output_data_got::add_local_tls_with_rela): Removed.
12092         * resolve.cc (Symbol::override_base_with_special): Removed
12093         reference to has_got_offset_ field.
12094         * symtab.cc (Symbol::init_fields): Replaced initialization
12095         of got_offset_ with got_offsets_.  Removed initialization
12096         of has_got_offset_
12097         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12098         (Symbol::got_offset): Likewise.
12099         (Symbol::set_got_offset): Likewise.
12100         (Symbol::has_tls_got_offset): Removed.
12101         (Symbol::tls_got_offset): Removed.
12102         (Symbol::set_tls_got_offset): Removed.
12103         (Symbol::got_offset_): Removed.
12104         (Symbol::tls_mod_got_offset_): Removed.
12105         (Symbol::tls_pair_got_offset_): Removed.
12106         (Symbol::got_offsets_): New field.
12107         (Symbol::has_got_offset): Removed.
12108         (Symbol::has_tls_mod_got_offset): Removed.
12109         (Symbol::has_tls_pair_got_offset): Removed.
12110         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12111         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12112         member functions.
12113         (Target_x86_64::Scan::global): Likewise.
12114         (Target_x86_64::Relocate::relocate): Likewise.
12115         (Target_x86_64::Relocate::relocate_tls): Likewise.
12116
12117 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12118
12119         * yyscript.y: Fix spelling error in comment.
12120
12121 2008-03-24  Ian Lance Taylor  <iant@google.com>
12122
12123         * options.h (class General_options): Define build_id option.
12124         * layout.h (class Layout): Declare write_build_id, create_note,
12125         create_build_id.  Add build_id_note_ member.
12126         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12127         "libiberty.h", "md5.h", "sha1.h".
12128         (Layout::Layout): Initialize eh_frame_data_,
12129         eh_frame_hdr_section_, and build_id_note_.
12130         (Layout::finalize): Call create_build_id.
12131         (Layout::create_note): New function, broken out of
12132         Layout::create_gold_note.
12133         (Layout::create_gold_note): Call create_note.
12134         (Layout::create_build_id): New function.
12135         (Layout::write_build_id): New function.
12136         (Close_task_runner::run): Call write_build_id.
12137
12138         * x86_64.cc: Correct license to GPLv3.
12139
12140 2008-03-23  Ian Lance Taylor  <iant@google.com>
12141
12142         * options.cc: Include "demangle.h".
12143         (parse_optional_string): New function.
12144         (parse_long_option): Handle takes_optional_argument.
12145         (parse_short_option): Update dash_z initializer.  Handle
12146         takes_optional_argument.
12147         (General_options::General_options): Initialize do_demangle_.
12148         (General_options::finalize): Set do_demangle_.  Handle demangling
12149         style.
12150         * options.h (parse_optional_string): Declare.
12151         (struct One_option): Add optional_arg field.  Update constructor.
12152         Update call constructor calls.  Add takes_optional_argument
12153         function.
12154         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12155         (DEFINE_optional_string): Define.
12156         (General_options::demangle): Change from DEFINE_bool to
12157         DEFINE_optional_string.
12158         (General_options::no_demangle): New function.
12159         (General_options::do_demangle): New function.
12160         (General_options::set_do_demangle): New function.
12161         (General_options::execstack_status_): Move definition to end of
12162         class definition.
12163         (General_options::static_): Likewise.
12164         (General_options::do_demangle_): New field.
12165         * object.cc (big_endian>::get_symbol_location_info): Call
12166         Options::do_demangle, not Options::demangle.
12167         * symtab.cc (demangle): Likewise.
12168
12169 2008-03-22  Ian Lance Taylor  <iant@google.com>
12170
12171         * gold.h: Include <cstddef> and <sys/types.h>
12172         * options.h: Include <cstring>.
12173
12174 2008-03-21  Ian Lance Taylor  <iant@google.com>
12175
12176         * Added source code to GNU binutils.