gold/ChangeLog

   1 2011-10-10  Nick Clifton  <nickc@redhat.com>
   2
   3         * po/es.po: Updated Spanish translation.
   4         * po/fi.po: Updated Finnish translation.
   5
   6 2011-10-03   Diego Novillo  <dnovillo@google.com>
   7
   8         * options.cc (parse_uint): Fix dereference of RETVAL.
   9
  10 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
  11
  12         * layout.h (section_order_map_): New member.
  13         (get_section_order_map): New member function.
  14         * output.cc (Output_section::add_input_section): Check for patterns
  15         only when --section-ordering-file is specified.
  16         * gold.cc (queue_middle_tasks): Delay updating order of sections till
  17         output_sections have been formed.
  18         * layout.cc (Layout_Layout): Initialize section_order_map_.
  19         * plugin.cc (update_section_order): Store order in order_map. Do not
  20         update the order.
  21         * testsuite/Makefile.am: Add test case for plugin_final_layout.
  22         * testsuite/Makefile.in: Regenerate.
  23         * testsuite/plugin_section_order.c: New file.
  24         * testsuite/plugin_final_layout.cc: New file.
  25         * testsuite/plugin_final_layout.sh: New file.
  26
  27 2011-09-29  Cary Coutant  <ccoutant@google.com>
  28
  29         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
  30         Check for NULL.
  31         * gold/symtab.cc (Symbol_table::add_from_relobj): Ignore version
  32         symbols during incremental update.
  33         (Symbol_table::add_from_dynobj): Likewise.
  34
  35 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  36             Ian Lance Taylor  <iant@google.com>
  37
  38         * symtab.cc (Symbol_table::define_special_symbol): Always
  39         canonicalize version string.
  40
  41 2011-09-26  Cary Coutant  <ccoutant@google.com>
  42
  43         * gold/gold.cc (queue_initial_tasks): Move option checks ...
  44         * gold/options.cc (General_options::finalize): ... to here. Disable
  45         some options; make others fatal.
  46
  47 2011-09-26  Cary Coutant  <ccoutant@google.com>
  48
  49         gcc PR lto/47247
  50         * plugin.cc (get_symbols_v2): New function.
  51         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
  52         (is_referenced_from_outside): New function.
  53         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
  54         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
  55         (get_symbols): Pass version parameter.
  56         (get_symbols_v2): New function.
  57         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
  58         parameter.
  59         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
  60         (onload): Add LDPT_GET_SYMBOLS_V2.
  61         (all_symbols_read_hook): Use get_symbols_v2; check for
  62         LDPR_PREVAILING_DEF_IRONLY_EXP.
  63         * testsuite/plugin_test_3.sh: Update expected results.
  64
  65 2011-09-23  Simon Baldwin  <simonb@google.com>
  66
  67         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
  68         configuration options.
  69         * configure: Regenerate.
  70         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
  71         * Makefile.in: Regenerate.
  72         * testsuite/Makefile.in: Regenerate.
  73
  74 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
  75
  76         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
  77
  78 2011-09-19  Cary Coutant  <ccoutant@google.com>
  79
  80         * incremental.cc (can_incremental_update): Fix typo in comment.
  81         * incremental.h (can_incremental_update): Likewise.
  82
  83 2011-09-18  Cary Coutant  <ccoutant@google.com>
  84
  85         * incremental.cc (can_incremental_update): New function.
  86         * incremental.h (can_incremental_update): New function.
  87         * layout.cc (Layout::init_fixed_output_section): Call it.
  88         (Layout::make_output_section): Don't allow patch space in .eh_frame.
  89         * object.cc (Sized_relobj_file::do_layout): Call
  90         can_incremental_update.
  91
  92 2011-09-13  Cary Coutant  <ccoutant@google.com>
  93
  94         * configure.ac: Check for glibc support for gnu_indirect_function
  95         support with static linking, setting automake conditional
  96         IFUNC_STATIC.
  97         * Makefile.in: Regenerate.
  98         * configure: Regenerate.
  99
 100         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 101         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 102         for IFUNC_STATIC.
 103         * testsuite/Makefile.in: Regenerate.
 104
 105 2011-09-13  Cary Coutant  <ccoutant@google.com>
 106
 107         * incremental.cc (Sized_relobj_incr::do_layout): Call
 108         report_comdat_group for kept comdat sections.
 109         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 110         * testsuite/Makefile.in: Regenerate.
 111         * testsuite/incr_comdat_test_1.cc: New source file.
 112         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 113         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 114         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 115
 116 2011-09-13  Ian Lance Taylor  <iant@google.com>
 117
 118         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 119         variable external_symbols_offset.
 120
 121 2011-09-12  Ian Lance Taylor  <iant@google.com>
 122
 123         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 124         triggered if object has no symbols.
 125
 126 2011-09-09  David S. Miller  <davem@davemloft.net>
 127
 128         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 129         (Output_fill_debug_line::do_write): Likewise.
 130
 131 2011-08-29  Cary Coutant  <ccoutant@google.com>
 132
 133         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 134         casts to match formatting specs.
 135         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 136
 137 2011-08-26  Cary Coutant  <ccoutant@google.com>
 138
 139         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 140         remaining hole size when allocating.
 141         (Layout::make_output_section): Set fill methods for debug sections.
 142         * layout.h (Free_list::Free_list_node): Move from private to
 143         public.
 144         (Free_list::set_min_hole_size): New function.
 145         (Free_list::begin, Free_list::end): New functions.
 146         (Free_list::min_hole_): New data member.
 147         * output.cc: Include dwarf.h.
 148         (Output_fill_debug_info::do_minimum_hole_size): New function.
 149         (Output_fill_debug_info::do_write): New function.
 150         (Output_fill_debug_line::do_minimum_hole_size): New function.
 151         (Output_fill_debug_line::do_write): New function.
 152         (Output_section::Output_section): Initialize new data member.
 153         (Output_section::set_final_data_size): Ensure patch space is larger
 154         than minimum hole size.
 155         (Output_section::do_write): Fill holes in debug sections.
 156         * output.h (Output_fill): New class.
 157         (Output_fill_debug_info): New class.
 158         (Output_fill_debug_line): New class.
 159         (Output_section::set_free_space_fill): New function.
 160         (Output_section::free_space_fill_): New data member.
 161         * testsuite/Makefile.am (incremental_test_3): Add
 162         --incremental-patch option.
 163         (incremental_test_4): Likewise.
 164         (incremental_test_5): Likewise.
 165         (incremental_test_6): Likewise.
 166         (incremental_copy_test): Likewise.
 167         (incremental_common_test_1): Likewise.
 168         * testsuite/Makefile.in: Regenerate.
 169
 170 2011-08-26  Nick Clifton  <nickc@redhat.com>
 171
 172         * po/es.po: Updated Spanish translation.
 173
 174 2011-08-01  Cary Coutant  <ccoutant@google.com>
 175
 176         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 177         * gold/testsuite/Makefile.in: Regenerate.
 178         * gold/testsuite/justsyms_exec.c: New source file.
 179         * gold/testsuite/justsyms_lib.c: New source file.
 180
 181 2011-08-01  Cary Coutant  <ccoutant@google.com>
 182
 183         * layout.cc (Layout::set_segment_offsets): Don't realign text
 184         segment if -Ttext was specified.
 185         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 186         file type.
 187         * object.h (Sized_relobj_file::e_type): New function.
 188         (Sized_relobj_file::e_type_): New data member.
 189         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 190         base address for ET_EXEC files.
 191         * target.cc (Target::do_make_elf_object_implementation): Allow
 192         ET_EXEC files with --just-symbols option.
 193
 194 2011-07-28  Cary Coutant  <ccoutant@google.com>
 195
 196         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 197         Add thread_number parameter.
 198         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 199         * workqueue-threads.cc
 200         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 201         current thread if its thread number is greater than desired thread
 202         count.
 203         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 204         Add thread_number parameter.
 205         (Workqueue::should_cancel_thread): Likewise.
 206         (Workqueue::find_runnable_or_wait): Pass thread_number to
 207         should_cancel_thread.
 208         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 209         parameter.
 210
 211 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 212
 213         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 214         only after checking if it cannot be forced local.
 215         * symtab.h (is_externally_visible): Check if the symbol is not forced
 216         local.
 217
 218 2011-07-15  Ian Lance Taylor  <iant@google.com>
 219
 220         * options.h (class General_options): Add --print-output-format.
 221         Move -EL next to -EB, for  better --help output.
 222         * target-select.cc: Include <cstdio>, "options.h", and
 223         "parameters.h".
 224         (Target_selector::do_target_bfd_name): New function.
 225         (print_output_format): New function.
 226         * target-select.h (class Target_selector): Update declarations.
 227         (Target_selector::target_bfd_name): New function.
 228         (print_output_format): Declare.
 229         * main.cc: Include "target-select.h".
 230         (main): Handle --print-output-format.
 231         * gold.cc: Include "target-select.h".
 232         (queue_initial_tasks): Handle --print-output-format when there are
 233         no input files.
 234         * parameters.cc (parameters_force_valid_target): Give a better
 235         error message if -EB/-EL does not match target.
 236         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 237         function.
 238
 239 2011-07-15  Ian Lance Taylor  <iant@google.com>
 240
 241         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 242         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 243         (Output_data_plt_i386::do_write): Write address of .dynamic
 244         section to first entry in .got.plt section.
 245         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 246         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 247         Initialize layout_.
 248         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 249         section to first entry in .got.plt section.
 250         * layout.h (Layout::dynamic_section): New function.
 251
 252 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 253
 254         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 255         to claim_file call.
 256         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 257         input_section_position_, and input_section_glob_.
 258         (read_layout_from_file): Call function section_ordering_specified.
 259         * layout.h (is_section_ordering_specified): New function.
 260         (section_ordering_specified): New function.
 261         (section_ordering_specified_): New boolean member.
 262         * main.cc(main): Call load_plugins after layout object is defined.
 263         * output.cc (Output_section::add_input_section): Use
 264         function section_ordering_specified to check if section ordering is
 265         needed.
 266         * output.cc (Output_section::add_relaxed_input_section): Use
 267         function section_ordering_specified to check if section ordering is
 268         needed.
 269         (Output_section::update_section_layout): New function.
 270         (Output_section::sort_attached_input_sections): Check if input section
 271         must be reordered.
 272         * output.h (Output_section::update_section_layout): New function.
 273         * plugin.cc (get_section_count): New function.
 274         (get_section_type): New function.
 275         (get_section_name): New function.
 276         (get_section_contents): New function.
 277         (update_section_order): New function.
 278         (allow_section_ordering): New function.
 279         (Plugin::load): Add the new interfaces to the transfer vector.
 280         (Plugin_manager::load_plugins): New parameter.
 281         (Plugin_manager::all_symbols_read): New parameter.
 282         (Plugin_manager::claim_file): New parameter. Save the elf object for
 283         unclaimed objects.
 284         (Plugin_manager::get_elf_object): New function.
 285         (Plugin_manager::get_view): Change to directly use the bool to check
 286         if get_view is called from claim_file_hook.
 287         * plugin.h (input_objects): New function
 288         (Plugin__manager::load_plugins): New parameter.
 289         (Plugin_manager::claim_file): New parameter.
 290         (Plugin_manager::get_elf_object): New function.
 291         (Plugin_manager::in_claim_file_handler): New function.
 292         (Plugin_manager::in_claim_file_handler_): New member.
 293         (layout): New function.
 294         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 295         handler with an extra parameter. Make the elf object before calling
 296         claim_file handler.
 297         * testsuite/plugin_test.c (get_section_count): New function pointer.
 298         (get_section_type): New function pointer.
 299         (get_section_name): New function pointer.
 300         (get_section_contents): New function pointer.
 301         (update_section_order): New function pointer.
 302         (allow_section_ordering): New function pointer.
 303         (onload): Check if the new interfaces exist.
 304
 305 2011-07-13  Ian Lance Taylor  <iant@google.com>
 306
 307         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 308         relro section.
 309         * x86_64.cc (Target_x86_64::got_section): Likewise.
 310         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 311         (relro_now_test_SOURCES): New variable.
 312         (relro_now_test_DEPENDENCIES): New variable.
 313         (relro_now_test_LDFLAGS): New variable.
 314         (relro_now_test_LDADD): New variable.
 315         (relro_now_test.so): New target.
 316         * testsuite/Makefile.in: Rebuild.
 317
 318 2011-07-12  Ian Lance Taylor  <iant@google.com>
 319
 320         PR gold/12980
 321         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 322         GLOB_DAT relocation rather than a RELATIVE relocation for a
 323         protected symbol when creating a shared library.
 324         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 325         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 326         * testsuite/protected_main_1.cc (main): Test that protected
 327         function has same address.
 328
 329 2011-07-11  Ian Lance Taylor  <iant@google.com>
 330
 331         PR gold/12979
 332         * options.h (class General_options): Add -Bgroup.
 333         * options.cc (General_options::finalize): If -Bgroup is set,
 334         default to --unresolved-symbols=report-all.
 335         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 336         * target-reloc.h (issue_undefined_symbol_error): Handle
 337         --unresolved-symbols=report-all.
 338
 339 2011-07-08  Ian Lance Taylor  <iant@google.com>
 340
 341         PR gold/11985
 342         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 343         if linker script discards key sections.
 344         (Layout::create_dynamic_symtab): Likewise.
 345         (Layout::assign_local_dynsym_offsets): Likewise.
 346         (Layout::sized_create_version_sections): Likewise.
 347         (Layout::create_interp): Likewise.
 348         (Layout::finish_dynamic_section): Likewise.
 349         (Layout::set_dynamic_symbol_size): Likewise.
 350
 351 2011-07-08  Ian Lance Taylor  <iant@google.com>
 352
 353         PR gold/12386
 354         * options.h (class General_options): Add --unresolved-symbols.
 355         * target-reloc.h (issue_undefined_symbol_error): Check
 356         --unresolved-symbols.  Add comments.
 357
 358 2011-07-08  Ian Lance Taylor  <iant@google.com>
 359
 360         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 361         expression more complex.
 362
 363 2011-07-08  Ian Lance Taylor  <iant@google.com>
 364
 365         PR gold/11317
 366         * target-reloc.h (issue_undefined_symbol_error): New inline
 367         function, broken out of relocate_section.
 368         (relocate_section): Call issue_undefined_symbol_error.
 369         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 370         there is no TLS segment if we are about to issue an undefined
 371         symbol error.
 372         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 373
 374 2011-07-08  Ian Lance Taylor  <iant@google.com>
 375
 376         PR gold/12279
 377         * resolve.cc (Symbol_table::should_override): Add fromtype
 378         parameter.  Change all callers.  Give error when linking together
 379         TLS and non-TLS symbol.
 380         (Symbol_table::should_override_with_special): Add fromtype
 381         parameter.  Change all callers.
 382         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 383         there is no TLS segment if we have reported some errors.
 384         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 385
 386 2011-07-08  Ian Lance Taylor  <iant@google.com>
 387
 388         PR gold/12372
 389         * target.h (Target::plt_address_for_global): New function.
 390         (Target::plt_address_for_local): New function.
 391         (Target::plt_section_for_global): Remove.
 392         (Target::plt_section_for_local): Remove.
 393         (Target::do_plt_address_for_global): New virtual function.
 394         (Target::do_plt_address_for_local): New virtual function.
 395         (Target::do_plt_section_for_global): Remove.
 396         (Target::do_plt_section_for_local): Remove.
 397         (Target::register_global_plt_entry): Add Symbol_table and Layout
 398         parameters.
 399         * output.cc (Output_data_got::Got_entry::write): Use
 400         plt_address_for_global and plt_address_for_local.
 401         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 402         address of output section.
 403         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 404         got_irelative_, and irelative_count_ fields.  Update
 405         declarations.
 406         (Output_data_plt_i386::has_irelative_section): New function.
 407         (Output_data_plt_i386::entry_count): Add irelative_count_.
 408         (Output_data_plt_i386::set_final_data_size): Likewise.
 409         (class Target_i386): Add got_irelative_ and rel_irelative_
 410         fields.  Update declarations.
 411         (Target_i386::Target_i386): Initialize new fields.
 412         (Target_i386::do_plt_address_for_global): New function replacing
 413         do_plt_section_for_global.
 414         (Target_i386::do_plt_address_for_local): New function replacing
 415         do_plt_section_for_local.
 416         (Target_i386::got_section): Create got_irelative_.
 417         (Target_i386::rel_irelative_section): New function.
 418         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 419         fields.  Don't define __rel_iplt_{start,end}.
 420         (Output_data_plt_i386::add_entry): Add symtab and layout
 421         parameters.  Change all callers.  Use different PLT and GOT for
 422         IFUNC symbols.
 423         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 424         layout parameters.  Change all callers.  Use different PLT and
 425         GOT.
 426         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 427         (Output_data_plt_i386::rel_irelative): New function.
 428         (Output_data_plt_i386::address_for_global): New function.
 429         (Output_data_plt_i386::address_for_local): New function.
 430         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 431         IRELATIVE GOT when changing IFUNC GOT entries.
 432         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 433         reloc.
 434         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 435         if we didn't create an IRELATIVE GOT.
 436         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 437         plt_address_for_local.
 438         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 439         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 440         got_irelative_, and irelative_count_ fields.  Update
 441         declarations.
 442         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 443         Initialize new fields.  Remove symtab parameter.  Change all
 444         callers.
 445         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 446         irelative_count_.
 447         (Output_data_plt_x86_64::has_irelative_section): New function.
 448         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 449         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 450         fields.  Update declarations.
 451         (Target_x86_64::Target_x86_64): Initialize new fields.
 452         (Target_x86_64::do_plt_address_for_global): New function replacing
 453         do_plt_section_for_global.
 454         (Target_x86_64::do_plt_address_for_local): New function replacing
 455         do_plt_section_for_local.
 456         (Target_x86_64::got_section): Create got_irelative_.
 457         (Target_x86_64::rela_irelative_section): New function.
 458         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 459         all callers.  Don't create __rel_iplt_{start,end}.
 460         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 461         parameters.  Change all callers.  Use different PLT and GOT for
 462         IFUNC symbols.
 463         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 464         layout parameters.  Change all callers.  Use different PLT and
 465         GOT.
 466         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 467         parameters.  Change all callers.  Use different PLT and GOT for
 468         IFUNC symbols.
 469         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 470         (Output_data_plt_x86_64::rela_irelative): New function.
 471         (Output_data_plt_x86_64::address_for_global): New function.
 472         (Output_data_plt_x86_64::address_for_local): New function.
 473         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 474         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 475         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 476         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 477         parameters.
 478         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 479         reloc.
 480         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 481         symbols if we didn't create an IRELATIVE GOT.
 482         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 483         plt_address_for_local.
 484         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 485         * testsuite/ifuncvar1.c: New test file.
 486         * testsuite/ifuncvar2.c: New test file.
 487         * testsuite/ifuncvar3.c: New test file.
 488         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 489         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 490         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 491         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 492         * testsuite/Makefile.in: Rebuild.
 493
 494 2011-07-07  Cary Coutant  <ccoutant@google.com>
 495
 496         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 497         (two_file_test_1_ndebug.o): Likewise.
 498         (two_file_test_1b_ndebug.o): Likewise.
 499         (two_file_test_2_ndebug.o): Likewise.
 500         (two_file_test_main_ndebug.o): Likewise.
 501         (incremental_test_2): Link with no-debug versions.
 502
 503 2011-07-06  Cary Coutant  <ccoutant@google.com>
 504
 505         * gold/incremental.cc
 506         (Output_section_incremental_inputs::write_info_blocks): Check for
 507         hidden and internal symbols.
 508
 509 2011-07-06  Cary Coutant  <ccoutant@google.com>
 510
 511         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 512         Check disposition for startup file.
 513         (Incremental_inputs::report_command_line): Ignore
 514         --incremental-startup-unchanged option.
 515         * options.cc (General_options::parse_incremental_startup_unchanged):
 516         New function.
 517         (General_options::General_options): Initialize new data member.
 518         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 519         (General_options): Add --incremental-startup-unchanged option.
 520         (General_options::incremental_startup_disposition): New function.
 521         (General_options::incremental_startup_disposition_): New data member.
 522
 523 2011-07-06  Cary Coutant  <ccoutant@google.com>
 524
 525         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 526         input file index to Script_info ctor.
 527         (Sized_incremental_binary::do_file_has_changed): Find the
 528         command-line argument for files named in scripts.
 529         * incremental.h (Script_info::Script_info): New ctor
 530         with input file index.
 531         (Script_info::input_file_index): New function.
 532         (Script_info::input_file_index_): New data member.
 533         (Incremental_binary::get_library): Add const.
 534         (Incremental_binary::get_script_info): Add const.
 535         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 536         * testsuite/Makefile.am (incremental_test_5): New test case.
 537         (incremental_test_6): New test case.
 538         * testsuite/Makefile.in: Regenerate.
 539
 540 2011-07-06  Cary Coutant  <ccoutant@google.com>
 541
 542         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 543         debug output when command lines differ.
 544
 545 2011-07-06  Cary Coutant  <ccoutant@google.com>
 546
 547         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 548         --incremental-patch option.
 549         * layout.cc (Free_list::allocate): Extend allocation beyond original
 550         end if enabled.
 551         (Layout::make_output_section): Mark sections that should get
 552         patch space.
 553         * options.cc (parse_percent): New function.
 554         * options.h (parse_percent): New function.
 555         (DEFINE_percent): New macro.
 556         (General_options): Add --incremental-patch option.
 557         * output.cc (Output_section::Output_section): Initialize new data
 558         members.
 559         (Output_section::add_input_section): Print section name when out
 560         of patch space.
 561         (Output_section::add_output_section_data): Likewise.
 562         (Output_section::set_final_data_size): Add patch space when
 563         doing --incremental-full.
 564         (Output_section::do_reset_address_and_file_offset): Remove patch
 565         space.
 566         (Output_segment::set_section_list_addresses): Print debug output
 567         only if --incremental-update.
 568         * output.h (Output_section::set_is_patch_space_allowed): New function.
 569         (Output_section::is_patch_space_allowed_): New data member.
 570         (Output_section::patch_space_): New data member.
 571         * parameters.cc (Parameters::incremental_full): New function.
 572         * parameters.h (Parameters::incremental_full): New function
 573         * testsuite/Makefile.am (incremental_test_2): Add test for
 574         --incremental-patch option.
 575         * testsuite/Makefile.in: Regenerate.
 576         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 577         (t18): Remove function body.
 578
 579 2011-07-05  Doug Kwan  <dougkwan@google.com>
 580
 581         PR gold/12771
 582         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 583         Arm_Address type for relocation result.
 584         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 585         overflow check.
 586         (Arm_relocate_functions::abs32): Use unaligned access.
 587         (Arm_relocate_functions::rel32): Ditto.
 588         (Arm_relocate_functions::prel31): Ditto.
 589         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 590         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 591         static data relocations.
 592         * testsuite/Makefile.in: Regnerate.
 593         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 594
 595 2011-07-05  Ian Lance Taylor  <iant@google.com>
 596
 597         PR gold/12392
 598         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 599         symbols if necessary.
 600         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 601
 602 2011-07-05  Ian Lance Taylor  <iant@google.com>
 603
 604         PR gold/12952
 605         * resolve.cc (Symbol::override_base_with_special): Simply override
 606         version with special symbol version, ignoring previous version.
 607
 608 2011-07-05  Ian Lance Taylor  <iant@google.com>
 609
 610         * object.cc (Sized_relobj_file::include_section_group): Add
 611         information to comment about signature location.
 612
 613 2011-07-02  Ian Lance Taylor  <iant@google.com>
 614
 615         PR gold/12957
 616         * options.h (class General_options): Add -f and -F.
 617         * options.cc (General_options::finalize): Fatal error if -f/-F
 618         are used without -shared.
 619         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 620
 621 2011-07-02  Ian Lance Taylor  <iant@google.com>
 622
 623         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 624
 625 2011-07-01  Ian Lance Taylor  <iant@google.com>
 626
 627         PR gold/12525
 628         PR gold/12952
 629         * resolve.cc (Symbol::override_base_with_special): Don't override
 630         the version if the overriding symbol has a different name.
 631         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 632         all callers.  If we give an error about an undefined version,
 633         define the base version if necessary.
 634         * dynobj.h (class Versions): Update declaration.
 635         * testsuite/weak_alias_test_5.cc: New file.
 636         * testsuite/weak_alias_test.script: New file.
 637         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 638         and versioned_alias have the right value, and call t2.
 639         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 640         weak_alias_test_5.so.
 641         (weak_alias_test_LDADD): Likewise.
 642         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 643         * testsuite/Makefile.in: Rebuild.
 644
 645 2011-07-01  Ian Lance Taylor  <iant@google.com>
 646
 647         PR gold/12525
 648         * options.h (class General_options): Support -z notext.
 649         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 650         -Wl,-z,notext.
 651         (two_file_shared_nonpic.so): Likewise.
 652         (two_file_shared_mixed.so): Likewise.
 653         (two_file_shared_mixed_1.so): Likewise.
 654         (weak_undef_lib_nonpic.so): Likewise.
 655         (alt/weak_undef_lib_nonpic.so): Likewise.
 656         (tls_test_shared_nonpic.so): Likewise.
 657         * testsuite/Makefile.in: Rebuild.
 658
 659 2011-07-01  Ian Lance Taylor  <iant@google.com>
 660
 661         PR gold/12525
 662         * configure.ac: Test whether static linking works, setting
 663         the automake conditional HAVE_STATIC.
 664         * testsuite/Makefile.am: Disable tests using -static if
 665         HAVE_STATIC is not true.
 666         * configure, testsuite/Makefile.in: Rebuild.
 667
 668 2011-07-01  Ian Lance Taylor  <iant@google.com>
 669
 670         PR gold/12525
 671         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 672         Assert if we see DW_EH_PE_indirect.
 673         * target.h (Target::ehframe_datarel_base): New function.
 674         (Target::do_ehframe_datarel_base): New target function.
 675         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 676         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 677         function.
 678
 679 2011-07-01  Ian Lance Taylor  <iant@google.com>
 680
 681         PR gold/12571
 682         * options.h (class General_options): Add
 683         --ld-generated-unwind-info.
 684         * ehframe.cc (Fde::write): Add address parameter.  Change all
 685         callers.  If associated with PLT, fill in address and size.
 686         (Cie::set_output_offset): Only add merge mapping if there is an
 687         object.
 688         (Cie::write): Add address parameter.  Change all callers.
 689         (Eh_frame::add_ehframe_for_plt): New function.
 690         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 691         input_offset_ fields into union u_, with new plt field.
 692         (Fde::Fde): Adjust for new union field.
 693         (Fde::Fde) [Output_data version]: New constructor.
 694         (Fde::add_mapping): Only add merge mapping if there is an object.
 695         (class Cie): Update declarations.
 696         (class Eh_frame): Declare add_ehframe_for_plt.
 697         * layout.cc (Layout::layout_eh_frame): Break out code into
 698         make_eh_frame_section, and call it.
 699         (Layout::make_eh_frame_section): New function.
 700         (Layout::add_eh_frame_for_plt): New function.
 701         * layout.h (class Layout): Update declarations.
 702         * merge.cc (Merge_map::add_mapping): Add assertion.
 703         * i386.cc: Include "dwarf.h".
 704         (class Output_data_plt_i386): Make first_plt_entry,
 705         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 706         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 707         and plt_eh_frame_fde.
 708         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 709         boundary.  Call add_eh_frame_for_plt if appropriate.
 710         * x86_64.cc: Include "dwarf.h".
 711         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 712         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 713         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 714         and plt_eh_frame_fde.
 715         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 716         appropriate.
 717
 718 2011-06-29  Ian Lance Taylor  <iant@google.com>
 719
 720         PR gold/12629
 721         * object.cc (Sized_relobj_file::layout_section): Change shdr
 722         parameter to be const.
 723         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 724         out of do_layout.
 725         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 726         appropriate.  Call layout_eh_frame_section.
 727         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 728         sections.
 729         * object.h (class Sized_relobj_file): Update declarations.
 730
 731 2011-06-29  Ian Lance Taylor  <iant@google.com>
 732
 733         PR gold/12652
 734         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 735         modifier.
 736         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 737
 738 2011-06-29  Ian Lance Taylor  <iant@google.com>
 739
 740         PR gold/12675
 741         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 742         SHT_X86_64_UNWIND.
 743         * layout.cc (Layout::layout_eh_frame): Likewise.
 744
 745 2011-06-29  Ian Lance Taylor  <iant@google.com>
 746
 747         PR gold/12695
 748         * layout.cc (Layout::symtab_section_shndx): New function.
 749         * layout.h (class Layout): Declare symtab_section_shndx.
 750         * output.cc (Output_section::write_header): Call it.
 751
 752 2011-06-29  Ian Lance Taylor  <iant@google.com>
 753
 754         PR gold/12818
 755         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 756         symbols which are not used in a relocation.
 757
 758 2011-06-28  Ian Lance Taylor  <iant@google.com>
 759
 760         PR gold/12898
 761         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 762         script create indistinguishable segments.
 763         (Layout::set_segment_offsets): Use stable_sort when sorting
 764         segments.  Pass this to Compare_segments constructor.
 765         * layout.h (class Layout): Make segment_precedes non-static.
 766         (class Compare_segments): Change from struct to class.  Add
 767         layout_ field.  Add constructor.
 768         * script-sections.cc
 769         (Script_sections::attach_sections_using_phdrs_clause): Rename
 770         local orphan to is_orphan.  Don't report failure to put empty
 771         section in segment.  On attachment failure, report name of
 772         section, and attach to first PT_LOAD segment.
 773
 774 2011-06-28  Ian Lance Taylor  <iant@google.com>
 775
 776         PR gold/12934
 777         * target-select.cc (Target_selector::Target_selector): Add
 778         emulation parameter.  Change all callers.
 779         (select_target_by_bfd_name): Rename from select_target_by_name.
 780         Change all callers.
 781         (select_target_by_emulation): New function.
 782         (supported_emulation_names): New function.
 783         * target-select.h (class Target_selector): Add emulation_ field.
 784         Update declarations.
 785         (Target_selector::recognize_by_bfd_name): Rename from
 786         recognize_by_name.  Change all callers.
 787         (Target_selector::supported_bfd_names): Rename from
 788         supported_names.  Change all callers.
 789         (Target_selector::recognize_by_emulation): New function.
 790         (Target_selector::supported_emulations): New function.
 791         (Target_selector::emulation): New function.
 792         (Target_selector::do_recognize_by_bfd_name): Rename from
 793         do_recognize_by_name.  Change all callers.
 794         (Target_selector::do_supported_bfd_names): Rename from
 795         do_supported_names.  Change all callers.
 796         (Target_selector::do_recognize_by_emulation): New function.
 797         (Target_selector::do_supported_emulations): New function.
 798         (select_target_by_bfd_name): Change name in declaration.
 799         (select_target_by_emulation): Declare.
 800         (supported_emulation_names): Declare.
 801         * parameters.cc (parameters_force_valid_target): Try to find
 802         target based on emulation from -m option.
 803         * options.h (class General_options): Change doc string for -m.
 804         * options.cc (help): Print emulations.
 805         (General_options::parse_V): Likewise.
 806         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 807         Add emulation parameter.  Change all callers.
 808
 809 2011-06-28  Ian Lance Taylor  <iant@google.com>
 810
 811         * target.h (class Target): Add osabi_ field.
 812         (Target::osabi): New function.
 813         (Target::set_osabi): New function.
 814         (Target::Target): Initialize osabi_.
 815         (Target::do_adjust_elf_header): Make pure virtual.
 816         (Sized_target::do_adjust_elf_header): Declare.
 817         * target.cc (Sized_target::do_adjust_elf_header): New function.
 818         (class Sized_target): Instantiate all versions.
 819         * freebsd.h (class Target_freebsd): Remove.
 820         (Target_selector_freebsd::do_recognize): Call set_osabi on
 821         Target.
 822         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 823         (Target_selector_freebsd::set_osabi): Remove.
 824         * i386.cc (class Target_i386): Inherit from Sized_target rather
 825         than Target_freebsd.
 826         * x86_64.cc (class Target_x86_64): Likewise.
 827
 828 2011-06-28  Ian Lance Taylor  <iant@google.com>
 829
 830         * target.h (Target::can_check_for_function_pointers): Rewrite.
 831         Make non-virtual.
 832         (Target::can_icf_inline_merge_sections): Likewise.
 833         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 834         (Target::Target_info): Add can_icf_inline_merge_sections field.
 835         (Target::do_can_check_for_function_pointers): New virtual
 836         function.
 837         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 838         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 839         from can_check_for_function_pointers, move in file.
 840         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 841         section_may_have_icf_unsafe_poineters, move in file.
 842         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 843         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 844         Rename from can_check_for_function_pointers, move in file.
 845         (Target_i386::can_icf_inline_merge_sections): Remove.
 846         (Target_i386::i386_info): Initialize
 847         can_icf_inline_merge_sections.
 848         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 849         Initialize can_icf_inline_merge_sections.
 850         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 851         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 852         Rename from can_check_for_function_pointers, move in file.
 853         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 854         (Target_x86_64::x86_64_info): Initialize
 855         can_icf_inline_merge_sections.
 856         * testsuite/testfile.cc (Target_test::test_target_info):
 857         Likewise.
 858         * icf.cc (get_section_contents): Correct formatting.
 859
 860 2011-06-27  Ian Lance Taylor  <iant@google.com>
 861
 862         * symtab.cc (Symbol::versioned_name): New function.
 863         (Symbol_table::add_to_final_symtab): Use versioned_name when
 864         appropriate.
 865         (Symbol_table::sized_write_symbol): Likewise.
 866         * symtab.h (class Symbol): Declare versioned_name.
 867         * stringpool.h (class Stringpool_template): Add variant of add
 868         which takes a std::basic_string.
 869         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 870         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 871         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 872         (ver_test_12.o): New target.
 873         * testsuite/Makefile.in: Rebuild.
 874
 875 2011-06-27  Doug Kwan  <dougkwan@google.com>
 876
 877         * arm.cc (Arm_relocate_functions::thm_jump8,
 878         Arm_relocate_functions::thm_jump11): Use a wider signed
 879         type to compute offset.
 880         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 881         arm_thm_jump8.
 882         * testsuite/Makefile.in: Regenerate.
 883         * testsuite/arm_branch_in_range.sh: Check test results of
 884         arm_thm_jump11 and arm_thm_jump8.
 885         * testsuite/arm_thm_jump11.s: New test source file.
 886         * testsuite/arm_thm_jump11.t: New linker script.
 887         * testsuite/arm_thm_jump8.s: New test source file.
 888         * testsuite/arm_thm_jump8.t: New linker script.
 889
 890 2011-06-24  Ian Lance Taylor  <iant@google.com>
 891
 892         * layout.cc: Include "object.h".
 893         (ctors_sections_in_init_array): New static variable.
 894         (Layout::is_ctors_in_init_array): New function.
 895         (Layout::layout): Add entry to ctors_sections_in_init_array if
 896         appropriate.
 897         * layout.h (class Layout): Declare is_ctors_in_init_array.
 898         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 899         is_ctors_reverse_view is set.
 900         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 901         all callers.  Set is_ctors_reverse_view field of View_size.
 902         (Sized_relobj_file::reverse_words): New function.
 903         * object.h (Sized_relobj_file::View_size): Add
 904         is_ctors_reverse_view field.
 905         (class Sized_relobj_file): Update declarations.
 906         * testsuite/initpri3.c: New test.
 907         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 908         initpri3b.
 909         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 910         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 911         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 912         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 913         * testsuite/Makefile.in: Rebuild.
 914
 915 2011-06-24  Cary Coutant  <ccoutant@google.com>
 916
 917         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 918         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 919         (debug_msg_cdebug.err): New targets.
 920         * testsuite/Makefile.in: Regenerate.
 921         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 922         Fix checks for link with shared library.
 923
 924 2011-06-24  Doug Kwan  <dougkwan@google.com>
 925
 926         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 927         skip empty text sections.
 928         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 929
 930 2011-06-22  Ian Lance Taylor  <iant@google.com>
 931
 932         PR gold/12910
 933         * options.h (class General_options): Add --ctors-in-init-array.
 934         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 935         friends as SHT_PROGBITS for merging sections.
 936         (Layout::layout): Remove special handling of .init_array and
 937         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 938         and .dtors if ctors_in_init_array.
 939         (Layout::make_output_section): Force correct section types for
 940         .init_array and friends.  Don't sort if doing relocatable link,
 941         Don't sort .ctors and .dtors if ctors_in_init_array.
 942         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 943         (Layout::output_section_name): Add relobj parameter.  Change all
 944         callers.  Handle .ctors. and .dtors. in code rather than table.
 945         Handle .ctors and .dtors if ctors_in_init_array.
 946         (Layout::match_file_name): New function, moved from output.cc.
 947         * layout.h (class Layout): Update declarations.
 948         * output.cc: Include "layout.h".
 949         (Input_section_sort_entry::get_priority): New function.
 950         (Input_section_sort_entry::match_file_name): Just call
 951         Layout::match_file_name.
 952         (Output_section::Input_section_sort_init_fini_compare::operator()):
 953         Handle .ctors and .dtors.  Sort by explicit priority rather than
 954         by name.
 955         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 956         * testsuite/initpri2.c: New test.
 957         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 958         (check_PROGRAMS): Add initpri2.
 959         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
 960         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
 961         * configure, testsuite/Makefile.in: Rebuild.
 962
 963 2011-06-19  Ian Lance Taylor  <iant@google.com>
 964
 965         PR gold/12880
 966         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
 967         .interp section to a PT_INTERP segment even if we have seen a
 968         --dynamic-linker option.  Don't do it if we have seen a PHDRS
 969         clause in a linker script.
 970         (Layout::finalize): Don't create a .interp section if we've
 971         already create a PT_INTERP segment.
 972         (Layout::create_interp): Always call choose_output_section (revert
 973         patch of 2011-06-17).  Don't create PT_INTERP segment.
 974         * script-sections.cc
 975         (Script_sections::create_note_and_tls_segments): Add a .interp
 976         section to a PT_INTERP segment even if we have seen a
 977         --dynamic-linker option.
 978
 979 2011-06-18  Ian Lance Taylor  <iant@google.com>
 980
 981         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
 982         merely because a non-PT_LOAD segment has a dynamic reloc.
 983
 984 2011-06-18  Ian Lance Taylor  <iant@google.com>
 985
 986         * layout.cc (Layout::finish_dynamic_section): Don't create
 987         DT_FLAGS entry if not needed.
 988
 989 2011-06-18  Ian Lance Taylor  <iant@google.com>
 990
 991         PR gold/12745
 992         * layout.cc (Layout::layout_eh_frame): Correct handling of
 993         writable .eh_frame section.
 994
 995 2011-06-17  Ian Lance Taylor  <iant@google.com>
 996
 997         PR gold/12893
 998         * resolve.cc (Symbol_table::resolve): Don't give an error if a
 999         symbol is redefined with the exact same object and value.
1000
1001 2011-06-17  Ian Lance Taylor  <iant@google.com>
1002
1003         PR gold/12880
1004         * layout.h (class Layout): Add interp_segment_ field.
1005         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1006         (Layout::attach_allocated_section_to_segment): If making shared
1007         library, put .interp section in PT_INTERP segment.
1008         (Layout::finalize): Also call create_interp if -dynamic-linker
1009         option was used.
1010         (Layout::create_interp): Assert that there is no PT_INTERP
1011         segment.  If not using a SECTIONS clause, use make_output_section.
1012         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1013         * script-sections.cc
1014         (Script_sections::create_note_and_tls_segments): If making shared
1015         library, put .interp section in PT_INTERP segment.
1016
1017 2011-06-17  Ian Lance Taylor  <iant@google.com>
1018
1019         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1020         when making a shared library.
1021
1022 2011-06-17  Ian Lance Taylor  <iant@google.com>
1023
1024         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1025         parameter.  Change all callers.  Don't issue warning about PC32
1026         against locally defined symbol.
1027
1028 2011-06-16  Ian Lance Taylor  <iant@google.com>
1029
1030         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1031         occurs in same object.
1032
1033 2011-06-14  Alan Modra  <amodra@gmail.com>
1034
1035         * po/POTFILES.in: Regenerate.
1036
1037 2011-06-09  Ian Lance Taylor  <iant@google.com>
1038
1039         * script-sections.cc
1040         (Orphan_output_section::set_section_addresses): For a relocatable
1041         link set address to 0.
1042
1043 2011-06-09  Cary Coutant  <ccoutant@google.com>
1044
1045         PR gold/12804
1046         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1047         used with --compress-debug-sections.
1048         * gold/object.cc (Sized_relobj_file::do_layout): Report
1049         uncompressed size of compressed input sections.
1050
1051 2011-06-08  Cary Coutant  <ccoutant@google.com>
1052
1053         PR gold/12804
1054         * testsuite/two_file_test_2_v1.cc: Change initialization of
1055         v2 to keep it in .data.
1056
1057 2011-06-07  Cary Coutant  <ccoutant@google.com>
1058
1059         * common.cc (Symbol_table::do_allocate_commons_list): Call
1060         gold_fallback.
1061         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1062         (Errors::fallback): New function.
1063         (gold_fallback): New function.
1064         * errors.h (Errors::fallback): New function.
1065         * gold.cc (gold_exit): Change status parameter to enum; adjust
1066         all callers.
1067         (queue_initial_tasks): Call gold_fallback.
1068         * gold.h: Include cstdlib.
1069         (Exit_status): New enum type.
1070         (gold_exit): Change status parameter to enum.
1071         (gold_fallback): New function.
1072         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1073         (Layout::create_symtab_sections): Likewise.
1074         (Layout::create_shdrs): Likewise.
1075         * main.cc (main): Adjust call to gold_exit.
1076         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1077         (Output_data_got::add_got_entry_pair): Likewise.
1078         (Output_section::add_input_section): Likewise.
1079         (Output_section::add_output_section_data): Likewise.
1080         (Output_segment::set_section_list_addresses): Likewise.
1081         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1082
1083 2011-06-07  Cary Coutant  <ccoutant@google.com>
1084
1085         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1086         for incremental links.
1087         * output.cc (Output_segment::set_section_list_addresses): Remove
1088         FIXME and test for TLS or BSS.
1089
1090 2011-06-07  Cary Coutant  <ccoutant@google.com>
1091
1092         * testsuite/Makefile.am: Add incremental_copy_test,
1093         incremental_common_test_1.
1094         * testsuite/Makefile.in: Regenerate.
1095         * testsuite/common_test_1_v1.c: New source file.
1096         * testsuite/common_test_1_v2.c: New source file.
1097         * testsuite/copy_test_v1.cc: New source file.
1098
1099 2011-06-07  Cary Coutant  <ccoutant@google.com>
1100
1101         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1102         update, allocate common from bss section's free list.
1103         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1104         linker-defined symbols.
1105         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1106         Skip GOT and PLT entries that are no longer referenced.
1107         (Output_section_incremental_inputs::write_info_blocks): Mark
1108         linker-defined symbols.
1109         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1110         * output.cc (Output_section::allocate): New function.
1111         * output.h (Output_section::allocate): New function.
1112         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1113         linker-defined symbols.
1114         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1115         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1116         (Symbol::init_base_output_data): Likewise.
1117         (Symbol::init_base_output_segment): Likewise.
1118         (Symbol::init_base_constant): Likewise.
1119         (Sized_symbol::init_output_data): Likewise.
1120         (Sized_symbol::init_output_segment): Likewise.
1121         (Sized_symbol::init_constant): Likewise.
1122         (Symbol_table::do_define_in_output_data): Likewise.
1123         (Symbol_table::do_define_in_output_segment): Likewise.
1124         (Symbol_table::do_define_as_constant): Likewise.
1125         * symtab.h (Symbol::is_predefined): New function.
1126         (Symbol::init_base_output_data): Add is_predefined parameter.
1127         (Symbol::init_base_output_segment): Likewise.
1128         (Symbol::init_base_constant): Likewise.
1129         (Symbol::is_predefined_): New data member.
1130         (Sized_symbol::init_output_data): Add is_predefined parameter.
1131         (Sized_symbol::init_output_segment): Likewise.
1132         (Sized_symbol::init_constant): Likewise.
1133         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1134
1135 2011-06-07  Cary Coutant  <ccoutant@google.com>
1136
1137         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1138         instead of emit_copy_reloc.
1139         (Copy_relocs::emit_copy_reloc): Refactor.
1140         (Copy_relocs::make_copy_reloc): New function.
1141         (Copy_relocs::add_copy_reloc): Remove.
1142         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1143         section.
1144         (Copy_relocs::make_copy_reloc): New function.
1145         (Copy_relocs::add_copy_reloc): Remove.
1146         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1147         unchanged input files.
1148         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1149         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1150         Reserve BSS space for COPY relocations.
1151         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1152         (Output_section_incremental_inputs::write_info_blocks): Record
1153         whether a symbol is copied from a shared object.
1154         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1155         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1156         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1157         (Incremental_input_entry_reader::get_output_symbol_index): Add
1158         is_copy parameter.
1159         (Incremental_binary::emit_copy_relocs): New function.
1160         (Incremental_binary::do_emit_copy_relocs): New function.
1161         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1162         new data member.
1163         (Sized_incremental_binary::add_copy_reloc): New function.
1164         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1165         (Sized_incremental_binary::Copy_reloc): New struct.
1166         (Sized_incremental_binary::Copy_relocs): New typedef.
1167         (Sized_incremental_binary::copy_relocs_): New data member.
1168         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1169         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1170         * target.h (Sized_target::emit_copy_reloc): New function.
1171         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1172
1173 2011-06-02  Cary Coutant  <ccoutant@google.com>
1174
1175         PR gold/12163
1176         * gold/archive.cc (Archive::Archive): Initialize new data member.
1177         (Archive::include_all_members): Return if archive has already been
1178         included.
1179         * gold/archive.h (Archive::include_all_members_): New data member.
1180
1181 2011-06-02  Nick Clifton  <nickc@redhat.com>
1182
1183         * dynobj.h: Fix spelling mistake in comment.
1184         * output.cc: Likewise.
1185
1186 2011-05-31  Doug Kwan  <dougkwan@google.com>
1187             Asier Llano
1188
1189         PR gold/12826
1190         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1191         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1192         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1193         redundant arm_exidx_test.so.
1194         * testsuite/Makefile.in: Regenerate.
1195         (check_SCRIPTS): Add pr12826.sh
1196         (check_DATA): Add pr12826.stdout
1197         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1198         * testsuite/pr12826.sh: New file.
1199         * testsuite/pr12826_1.s: Ditto.
1200         * testsuite/pr12826_1.s: Ditto.
1201
1202 2011-05-30  Ian Lance Taylor  <iant@google.com>
1203
1204         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1205         sections.
1206
1207 2011-05-29  Ian Lance Taylor  <iant@google.com>
1208
1209         PR gold/12804
1210         * testsuite/Makefile.am: Use different file name for two_file_test
1211         temporary file for each incremental test.
1212         * testsuite/Makefile.in: Rebuild.
1213
1214 2011-05-29  Ian Lance Taylor  <iant@google.com>
1215
1216         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1217         binary input file is empty.
1218
1219 2011-05-27  Ian Lance Taylor  <iant@google.com>
1220
1221         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1222         (ver_test_9.so): Likewise.
1223         * testsuite/Makefile.in: Rebuild.
1224
1225 2011-05-26 Cary Coutant  <ccoutant@google.com>
1226
1227         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1228         * incremental.cc (Incremental_inputs::report_input_section): Fix
1229         comment, indentation.
1230         (Incremental_inputs::report_comdat_group): New function.
1231         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1232         of data for incremental input file entry.
1233         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1234         group count, COMDAT group signatures.
1235         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1236         an unchanged input file.
1237         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1238         Initialize new data member.
1239         (Incremental_object_entry::add_comdat_group): New function.
1240         (Incremental_object_entry::get_comdat_group_count): New function.
1241         (Incremental_object_entry::get_comdat_signature_key): New function.
1242         (Incremental_object_entry::groups_): New data member.
1243         (Incremental_inputs::report_comdat_group): New function.
1244         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1245         data for incremental input file entry.
1246         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1247         (Incremental_input_entry_reader::get_input_section): Adjust size of
1248         data for incremental input file entry.
1249         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1250         (Incremental_input_entry_reader::get_comdat_group_signature): New
1251         function.
1252         * object.cc (Sized_relobj::include_section_group): Report kept
1253         COMDAT groups for incremental links.
1254
1255 2011-05-24  David Meyer  <pdox@google.com>
1256
1257         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1258         with name parameter.  Add found_name parameter.
1259         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1260         * dirsearch.h (class Dirsearch): Update declaration.
1261
1262 2011-05-24  Ian Lance Taylor  <iant@google.com>
1263
1264         * archive.cc (Library_base::should_include_member): Pull in object
1265         from archive if it defines the entry symbol.
1266         * parameters.cc (Parameters::entry): New function.
1267         * parameters.h (class Parameters): Declare entry.
1268         * output.h (class Output_file_header): Remove entry_ field.
1269         * output.cc (Output_file_header::Output_file_header): Remove entry
1270         parameter.  Change all callers.
1271         (Output_file_header::entry): Use parameters->entry.
1272         * gold.cc (queue_middle_tasks): Likewise.
1273         * plugin.cc (Plugin_hook::run): Likewise.
1274
1275 2011-05-24 Cary Coutant  <ccoutant@google.com>
1276
1277         * gold.cc (queue_initial_tasks): Pass incremental base filename
1278         to Output_file::open_base_file; don't print error message.
1279         * incremental-dump.cc (main): Adjust call to
1280         Output_file::open_for_modification.
1281         * incremental-dump.cc (main): Likewise.
1282         * incremental.cc (Incremental_inputs::report_command_line):
1283         Ignore --incremental-base option when comparing command lines.
1284         Ignore parameter when given as separate argument.
1285         * options.h (class General_options): Add --incremental-base.
1286         * output.cc (Output_file::Output_file):
1287         (Output_file::open_base_file): Add base_name and writable parameters;
1288         read base file into new file; print error message here.
1289         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1290         callers.
1291         * output.h (Output_file::open_for_modification): Rename to...
1292         (Output_file::open_base_file): ...this; add base_name and
1293         writable parameters; adjust all callers.
1294         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1295         callers.
1296         * testsuite/Makefile.am (incremental_test_4): Test
1297         --incremental-base.
1298         * testsuite/Makefile.in: Regenerate.
1299
1300 2011-05-24 Cary Coutant  <ccoutant@google.com>
1301
1302         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1303         incremental_test_4.
1304         * testsuite/Makefile.in: Regenerate.
1305         * testsuite/two_file_test_1_v1.cc: New test source file.
1306         * testsuite/two_file_test_1b_v1.cc: New test source file.
1307         * testsuite/two_file_test_2_v1.cc: New test source file.
1308
1309 2011-05-24 Cary Coutant  <ccoutant@google.com>
1310
1311         * dynobj.h (Dynobj::do_dynobj): New function.
1312         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1313         flag and soname for shared objects.
1314         * incremental.cc (Incremental_inputs::report_object): Make
1315         either Incremental_object_entry or Incremental_dynobj_entry; add
1316         soname to string table.
1317         (Incremental_inputs::report_input_section): Add assertion.
1318         (Output_section_incremental_inputs::set_final_data_size): Adjust
1319         type of input file entry for shared libraries; adjust size of
1320         shared library info entry.
1321         (Output_section_incremental_inputs::write_input_files): Write
1322         as_needed flag for shared libraries.
1323         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1324         of input file entry for shared libraries; write soname.
1325         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1326         soname from incremental info.
1327         * incremental.h (enum Incremental_input_flags): Add
1328         INCREMENTAL_INPUT_AS_NEEDED.
1329         (Incremental_input_entry::Incremental_input_entry): Initialize new
1330         data member.
1331         (Incremental_input_entry::set_as_needed): New function.
1332         (Incremental_input_entry::as_needed): New function.
1333         (Incremental_input_entry::do_dynobj_entry): New function.
1334         (Incremental_input_entry::as_needed_): New data member.
1335         (Incremental_object_entry::Incremental_object_entry): Don't check
1336         for shared library.
1337         (Incremental_object_entry::do_type): Likewise.
1338         (class Incremental_dynobj_entry): New class.
1339         (Incremental_input_entry_reader::as_needed): New function.
1340         (Incremental_input_entry_reader::get_soname): New function.
1341         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1342         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1343         size of shared library info entry.
1344         * layout.cc (Layout::finish_dynamic_section): Don't test for
1345         incremental link when adding DT_NEEDED entries.
1346         * object.h (Object::Object): Initialize new data member.
1347         (Object::dynobj): New function.
1348         (Object::set_as_needed): New function.
1349         (Object::as_needed): New function.
1350         (Object::do_dynobj): New function.
1351         (Object::as_needed_): New data member.
1352
1353 2011-05-24 Cary Coutant  <ccoutant@google.com>
1354
1355         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1356         info; adjust display of GOT entries.
1357         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1358         vector of input objects; remove file_status_.
1359         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1360         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1361         got_plt reader; call target hooks to reserve GOT entries.
1362         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1363         of input file info header and GOT info entry.
1364         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1365         relocation info.
1366         (Got_plt_view_info::got_descriptor): Remove.
1367         (Got_plt_view_info::sym_index): New data member.
1368         (Got_plt_view_info::input_index): New data member.
1369         (Local_got_offset_visitor::visit): Write input file index.
1370         (Global_got_offset_visitor::visit): Write 0 for input file index.
1371         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1372         with sym_index and input_index.
1373         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1374         incremental info GOT entry; replace got_descriptor with input_index.
1375         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1376         map from input file index to object.
1377         (Sized_relobj_incr::do_layout): Replace direct data member reference
1378         with accessor function.
1379         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1380         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1381         Adjust size of input file info header.
1382         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1383         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1384         (Incremental_input_entry_reader::get_input_section): Adjust size of
1385         input file info header.
1386         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1387         of incremental info GOT entry.
1388         (Incremental_got_plt_reader::get_got_desc): Remove.
1389         (Incremental_got_plt_reader::get_got_symndx): New function.
1390         (Incremental_got_plt_reader::get_got_input_index): New function.
1391         (Sized_incremental_binary::Sized_incremental_binary): Remove
1392         file_status_; add input_objects_.
1393         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1394         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1395         (Sized_incremental_binary::file_is_unchanged): Remove.
1396         (Sized_incremental_binary::set_input_object): New function.
1397         (Sized_incremental_binary::input_object): New function.
1398         (Sized_incremental_binary::file_status_): Remove.
1399         (Sized_incremental_binary::input_objects_): New data member.
1400         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1401         references.
1402         (Sized_relobj_incr::invalid_address): Move to base class.
1403         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1404         class.
1405         (Sized_relobj_incr::do_output_section_offset): Likewise.
1406         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1407         (Sized_relobj_incr::section_offsets_): Likewise.
1408         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1409         function.
1410         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1411         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1412         with accessor function.
1413         (Sized_relobj_file::do_layout): Likewise.
1414         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1415         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1416         (Sized_relobj_file::compute_final_local_value): Replace refs to
1417         section_offsets_ with accessor function.
1418         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1419         * object.h (Relobj::Relobj): Initialize new data members.
1420         (Relobj::add_dyn_reloc): New function.
1421         (Relobj::first_dyn_reloc): New function.
1422         (Relobj::dyn_reloc_count): New function.
1423         (Relobj::first_dyn_reloc_): New data member.
1424         (Relobj::dyn_reloc_count_): New data member.
1425         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1426         references.
1427         (Sized_relobj::Address): New typedef.
1428         (Sized_relobj::invalid_address): Move here from child class.
1429         (Sized_relobj::Sized_relobj): Initialize new data members.
1430         (Sized_relobj::sized_relobj): New function.
1431         (Sized_relobj::is_output_section_offset_invalid): Move here from
1432         child class.
1433         (Sized_relobj::get_output_section_offset): Likewise.
1434         (Sized_relobj::local_has_got_offset): Likewise.
1435         (Sized_relobj::local_got_offset): Likewise.
1436         (Sized_relobj::set_local_got_offset): Likewise.
1437         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1438         (Sized_relobj::clear_got_offsets): New function.
1439         (Sized_relobj::section_offsets): Move here from child class.
1440         (Sized_relobj::do_output_section_offset): Likewise.
1441         (Sized_relobj::do_set_section_offset): Likewise.
1442         (Sized_relobj::Local_got_offsets): Likewise.
1443         (Sized_relobj::local_got_offsets_): Likewise.
1444         (Sized_relobj::section_offsets_): Likewise.
1445         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1446         references.
1447         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1448         class.
1449         (Sized_relobj_file::sized_relobj): New function
1450         (Sized_relobj_file::local_has_got_offset): Move to base class.
1451         (Sized_relobj_file::local_got_offset): Likewise.
1452         (Sized_relobj_file::set_local_got_offset): Likewise.
1453         (Sized_relobj_file::get_output_section_offset): Likewise.
1454         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1455         (Sized_relobj_file::do_output_section_offset): Likewise.
1456         (Sized_relobj_file::do_set_section_offset): Likewise.
1457         (Sized_relobj_file::Local_got_offsets): Likewise.
1458         (Sized_relobj_file::local_got_offsets_): Likewise.
1459         (Sized_relobj_file::section_offsets_): Likewise.
1460         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1461         (all constructors).
1462         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1463         (Output_reloc::get_symbol_index): Likewise.
1464         (Output_reloc::local_section_offset): Likewise.
1465         (Output_reloc::get_address): Likewise.
1466         (Output_reloc::symbol_value): Likewise.
1467         (Output_data_got::reserve_slot): Move to class definition.
1468         (Output_data_got::reserve_local): New function.
1469         (Output_data_got::reserve_slot_for_global): Remove.
1470         (Output_data_got::reserve_global): New function.
1471         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1472         (all constructors, two instantiations).
1473         (Output_reloc::get_relobj): New function (two instantiations).
1474         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1475         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1476         (Output_data_reloc::add_global): Adjust type of relobj.
1477         (Output_data_reloc::add_global_relative): Likewise.
1478         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1479         (Output_data_reloc::add_local): Likewise.
1480         (Output_data_reloc::add_local_relative): Likewise.
1481         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1482         (Output_data_reloc::add_local_section): Likewise.
1483         (Output_data_reloc::add_output_section): Likewise.
1484         (Output_data_reloc::add_absolute): Likewise.
1485         (Output_data_reloc::add_target_specific): Likewise.
1486         (Output_data_got::reserve_slot): Move definition here.
1487         (Output_data_got::reserve_local): New function.
1488         (Output_data_got::reserve_global): New function.
1489         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1490         section_offsets_ with accessor function.
1491         (Sized_relobj_file::write_sections): Likewise.
1492         (Sized_relobj_file::do_relocate_sections): Likewise.
1493         * target.h (Sized_target::reserve_local_got_entry): New function.
1494         (Sized_target::reserve_global_got_entry): New function.
1495         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1496         (Target_x86_64::reserve_global_got_entry): New function.
1497         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1498
1499 2011-05-23 Cary Coutant  <ccoutant@google.com>
1500
1501         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1502         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1503         bit when checking got_type.
1504         * incremental.cc (Sized_incremental_binary::setup_readers):
1505         Store symbol table and string table locations; initialize bit vector
1506         of file status flags.
1507         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1508         unchanged files.
1509         (Sized_incremental_binary::do_process_got_plt): New function.
1510         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1511         (Output_section_incremental_inputs::set_final_data_size): Record
1512         file index for each input file.
1513         (Output_section_incremental_inputs::write_got_plt): Store file index
1514         instead of input entry offset for each GOT entry.
1515         * incremental.h
1516         (Incremental_input_entry::Incremental_input_entry): Initialize new
1517         data member.
1518         (Incremental_input_entry::set_offset): Store file index.
1519         (Incremental_input_entry::get_file_index): New function.
1520         (Incremental_input_entry::file_index_): New data member.
1521         (Incremental_binary::process_got_plt): New function.
1522         (Incremental_binary::do_process_got_plt): New function.
1523         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1524         data members.
1525         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1526         (Sized_incremental_binary::set_file_is_unchanged): New function.
1527         (Sized_incremental_binary::file_is_unchanged): New function.
1528         (Sized_incremental_binary::do_process_got_plt): New function.
1529         (Sized_incremental_binary::file_status_): New data member.
1530         (Sized_incremental_binary::main_symtab_loc_): New data member.
1531         (Sized_incremental_binary::main_strtab_loc_): New data member.
1532         * output.cc (Output_data_got::Got_entry::write): Add case
1533         RESERVED_CODE.
1534         (Output_data_got::add_global): Call add_got_entry.
1535         (Output_data_got::add_global_plt): Likewise.
1536         (Output_data_got::add_global_with_rel): Likewise.
1537         (Output_data_got::add_global_with_rela): Likewise.
1538         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1539         (Output_data_got::add_global_pair_with_rela): Likewise.
1540         (Output_data_got::add_local): Call add_got_entry.
1541         (Output_data_got::add_local_plt): Likewise.
1542         (Output_data_got::add_local_with_rel): Likewise.
1543         (Output_data_got::add_local_with_rela): Likewise.
1544         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1545         (Output_data_got::add_local_pair_with_rela): Likewise.
1546         (Output_data_got::reserve_slot): New function.
1547         (Output_data_got::reserve_slot_for_global): New function.
1548         (Output_data_got::add_got_entry): New function.
1549         (Output_data_got::add_got_entry_pair): New function.
1550         (Output_section::add_output_section_data): Edit FIXME.
1551         * output.h
1552         (Output_section_data_build::Output_section_data_build): New
1553         constructor with size parameter.
1554         (Output_data_space::Output_data_space): Likewise.
1555         (Output_data_got::Output_data_got): Initialize new data member; new
1556         constructor with size parameter.
1557         (Output_data_got::add_constant): Call add_got_entry.
1558         (Output_data_got::reserve_slot): New function.
1559         (Output_data_got::reserve_slot_for_global): New function.
1560         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1561         (Output_data_got::add_got_entry): New function.
1562         (Output_data_got::add_got_entry_pair): New function.
1563         (Output_data_got::free_list_): New data member.
1564         * target.h (Sized_target::init_got_plt_for_update): New function.
1565         (Sized_target::register_global_plt_entry): New function.
1566         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1567         Initialize new data member; call init; add constructor with PLT count.
1568         (Output_data_plt_x86_64::init): New function.
1569         (Output_data_plt_x86_64::add_relocation): New function.
1570         (Output_data_plt_x86_64::reserve_slot): New function.
1571         (Output_data_plt_x86_64::free_list_): New data member.
1572         (Target_x86_64::init_got_plt_for_update): New function.
1573         (Target_x86_64::register_global_plt_entry): New function.
1574         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1575         incremental updates.
1576         (Output_data_plt_x86_64::add_relocation): New function.
1577         * testsuite/object_unittest.cc (Object_test): Set default options.
1578
1579 2011-05-16  Ian Lance Taylor  <iant@google.com>
1580
1581         * options.h (class General_options): Make -i a synonym for -r.
1582
1583 2011-05-16  Ian Lance Taylor  <iant@google.com>
1584
1585         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1586
1587 2011-05-10 Cary Coutant  <ccoutant@google.com>
1588
1589         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1590         strip_all (-s).
1591
1592 2011-05-06  Ian Lance Taylor  <iant@google.com>
1593
1594         * layout.cc (Layout::layout): If the output section flags change,
1595         update the ordering.
1596
1597 2011-04-25 Cary Coutant  <ccoutant@google.com>
1598
1599         * incremental-dump.cc (dump_incremental_inputs): Print local
1600         symbol info for each input file.
1601         * incremental.cc
1602         (Output_section_incremental_inputs::set_final_data_size): Add local
1603         symbol info to input file entries in incremental info.
1604         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1605         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1606         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1607         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1608         implementation.
1609         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1610         (Sized_incr_relobj::do_relocate): Write the local symbols.
1611         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1612         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1613         Adjust size of input file header.
1614         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1615         (Incremental_inputs_reader::get_local_symbol_count): New function.
1616         (Incremental_inputs_reader::get_input_section): Adjust size of input
1617         file header.
1618         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1619         (Sized_incr_relobj::This): New typedef.
1620         (Sized_incr_relobj::sym_size): New const data member.
1621         (Sized_incr_relobj::Local_symbol): New struct.
1622         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1623         (Sized_incr_relobj::do_local_symbol_offset): New function.
1624         (Sized_incr_relobj::local_symbol_count_): New data member.
1625         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1626         (Sized_incr_relobj::local_symbol_index_): New data member.
1627         (Sized_incr_relobj::local_symbol_offset_): New data member.
1628         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1629         (Sized_incr_relobj::local_symbols_): New data member.
1630         * object.h (Relobj::output_local_symbol_count): New function.
1631         (Relobj::local_symbol_offset): New function.
1632         (Relobj::do_output_local_symbol_count): New function.
1633         (Relobj::do_local_symbol_offset): New function.
1634         (Sized_relobj::do_output_local_symbol_count): New function.
1635         (Sized_relobj::do_local_symbol_offset): New function.
1636
1637 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1638
1639         * descriptors.cc (set_close_on_exec): New function.
1640         (Descriptors::open): Use set_close_on_exec.
1641         * output.cc (S_ISLNK): Define if not defined.
1642
1643 2011-04-22 Cary Coutant  <ccoutant@google.com>
1644
1645         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1646         global symbol map.
1647         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1648         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1649         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1650         relocations.
1651         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1652         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1653         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1654         * incremental.h
1655         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1656         function.
1657         (Incremental_binary::apply_incremental_relocs): New function.
1658         (Incremental_binary::do_apply_incremental_relocs): New function.
1659         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1660         data member.
1661         (Sized_incremental_binary::add_global_symbol): New function.
1662         (Sized_incremental_binary::global_symbol): New function.
1663         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1664         (Sized_incremental_binary::symbol_map_): New data member.
1665         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1666         * target.h (Sized_target::apply_relocation): New function.
1667         * target-reloc.h (apply_relocation): New function.
1668         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1669
1670 2011-04-22  Doug Kwan  <dougkwan@google.com>
1671
1672         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1673         flag of a SHT_ARM_EXIDX section.
1674         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1675         * testsuite/Makefile.in: Regenerate.
1676         * testsuite/arm_exidx_test.s: New file.
1677         * testsuite/arm_exidx_test.sh: Same.
1678
1679 2011-04-20 Cary Coutant  <ccoutant@google.com>
1680
1681         PR gold/12689
1682         * archive.h (Incremental_archive_entry::Archive_member):
1683         Initialize arg_serial_ (second constructor).
1684
1685 2011-04-17  Ian Lance Taylor  <iant@google.com>
1686
1687         * object.cc (Relocate_info::location): Simplify location string.
1688         * errors.cc (Errors::error_at_location): Don't print program
1689         name.
1690         (Errors::warning_at_location): Likewise.
1691         (Errors::undefined_symbol): Likewise.
1692         * testsuite/debug_msg.sh: Update accordingly.
1693
1694 2011-04-14 Cary Coutant  <ccoutant@google.com>
1695
1696         * gold/layout.cc (Layout::symtab_section_offset): New function.
1697         * gold/layout.h (Layout::symtab_section_offset): New function.
1698         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1699
1700 2011-04-12  Ian Lance Taylor  <iant@google.com>
1701
1702         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1703         with MREMAP_MAYMOVE.
1704         * output.h (class Output_file): Add map_is_allocated_ field.
1705         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1706         not available, provide stubs.  If mremap is not available, #define
1707         it to gold_mremap.
1708         (MREMAP_MAYMOVE): Define if not defined.
1709         (Output_file::Output_file): Initialize map_is_allocated_.
1710         (Output_file::resize): Check map_is_allocated_.
1711         (Output_file::map_anonymous): If mmap fails, use malloc.
1712         (Output_file::unmap): Don't do anything for an anonymous map.
1713         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1714         is not available, provide stubs.
1715         (File_read::View::~View): Use free rather than delete[].
1716         (File_read::make_view): Use malloc rather than new[].  If mmap
1717         fails, use malloc.
1718         (File_read::find_or_make_view): Use malloc rather than new[].
1719         * gold.h: Remove HAVE_REMAP code.
1720         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1721         exists.  Rename mremap to gold_mremap.  If mmap is not available
1722         don't do anything.
1723         * configure, config.in: Rebuild.
1724
1725 2011-04-11  Ian Lance Taylor  <iant@google.com>
1726
1727         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1728         initialize local variable v.
1729
1730 2011-04-11  Cary Coutant  <ccoutant@google.com>
1731
1732         * archive.cc (Archive::include_member): Adjust call to
1733         report_object.
1734         (Add_archive_symbols::run): Track argument serial numbers.
1735         (Lib_group::include_member): Likewise.
1736         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1737         * archive.h (Incremental_archive_entry::Archive_member):
1738         Initialize arg_serial_.
1739         (Archive_member::arg_serial_): New data member.
1740         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1741         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1742         incremental link.
1743         (Sized_dynobj::do_for_all_local_got_entries): New function.
1744         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1745         function.
1746         * fileread.cc (get_mtime): New function.
1747         * fileread.h (get_mtime): New function.
1748         * gold.cc (queue_initial_tasks): Check for incremental update.
1749         (process_incremental_input): New function.
1750         (queue_middle_tasks): Don't force valid target for incremental
1751         update.
1752         * incremental-dump.cc (find_input_containing_global): Adjust
1753         size of symbol info entry.
1754         (dump_incremental_inputs): Dump argument serial number and
1755         in_system_directory flag; bias shndx by 1; print symbol names
1756         when dumping per-file symbol lists; use new symbol info readers.
1757         * incremental.cc
1758         (Output_section_incremental_inputs:update_data_size): New function.
1759         (Sized_incremental_binary::setup_readers): Setup input readers
1760         for each input file; build maps for files added from libraries
1761         and scripts.
1762         (Sized_incremental_binary::check_input_args): New function.
1763         (Sized_incremental_binary::do_check_inputs): Build map of argument
1764         serial numbers to input arguments.
1765         (Sized_incremental_binary::do_file_has_changed): Rename
1766         do_file_is_unchanged to this; compare file modification times.
1767         (Sized_incremental_binary::do_init_layout): New function.
1768         (Sized_incremental_binary::do_reserve_layout): New function.
1769         (Sized_incremental_binary::do_get_input_reader): Remove.
1770         (Sized_incremental_binary::get_symtab_view): New function.
1771         (Incremental_checker::can_incrementally_link_output_file): Remove.
1772         (Incremental_inputs::report_command_line): Exclude --debug options.
1773         (Incremental_inputs::report_archive_begin): Add parameter; track
1774         argument serial numbers; don't put input file entry for archive
1775         before archive members.
1776         (Incremental_inputs::report_archive_end): Put input file entry
1777         for archive after archive members.
1778         (Incremental_inputs::report_object): Add parameter; track argument
1779         serial numbers and in_system_directory flag.
1780         (Incremental_inputs::report_script): Add parameter; track argument
1781         serial numbers.
1782         (Output_section_incremental_inputs::set_final_data_size): Adjust
1783         size of symbol info entry; check for forwarding symbols.
1784         (Output_section_incremental_inputs::write_input_files): Write
1785         in_system_directory flag and argument serial number.
1786         (Output_section_incremental_inputs::write_info_blocks): Map section
1787         indices between incremental info and original input file; store
1788         input section index for each symbol.
1789         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1790         change operator() to visit().
1791         (class Global_got_offset_visitor): Likewise.
1792         (class Global_symbol_visitor_got_plt):
1793         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1794         classes.
1795         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1796         (Sized_incr_relobj::do_read_symbols): New function.
1797         (Sized_incr_relobj::do_layout): New function.
1798         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1799         (Sized_incr_relobj::do_add_symbols): New function.
1800         (Sized_incr_relobj::do_should_include_member): New function.
1801         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1802         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1803         (Sized_incr_relobj::do_section_size): New function.
1804         (Sized_incr_relobj::do_section_name): New function.
1805         (Sized_incr_relobj::do_section_contents): New function.
1806         (Sized_incr_relobj::do_section_flags): New function.
1807         (Sized_incr_relobj::do_section_entsize): New function.
1808         (Sized_incr_relobj::do_section_address): New function.
1809         (Sized_incr_relobj::do_section_type): New function.
1810         (Sized_incr_relobj::do_section_link): New function.
1811         (Sized_incr_relobj::do_section_info): New function.
1812         (Sized_incr_relobj::do_section_addralign): New function.
1813         (Sized_incr_relobj::do_initialize_xindex): New function.
1814         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1815         (Sized_incr_relobj::do_read_relocs): New function.
1816         (Sized_incr_relobj::do_gc_process_relocs): New function.
1817         (Sized_incr_relobj::do_scan_relocs): New function.
1818         (Sized_incr_relobj::do_count_local_symbols): New function.
1819         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1820         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1821         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1822         (Sized_incr_relobj::do_relocate): New function.
1823         (Sized_incr_relobj::do_set_section_offset): New function.
1824         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1825         (Sized_incr_dynobj::do_read_symbols): New function.
1826         (Sized_incr_dynobj::do_layout): New function.
1827         (Sized_incr_dynobj::do_add_symbols): New function.
1828         (Sized_incr_dynobj::do_should_include_member): New function.
1829         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1830         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1831         (Sized_incr_dynobj::do_section_size): New function.
1832         (Sized_incr_dynobj::do_section_name): New function.
1833         (Sized_incr_dynobj::do_section_contents): New function.
1834         (Sized_incr_dynobj::do_section_flags): New function.
1835         (Sized_incr_dynobj::do_section_entsize): New function.
1836         (Sized_incr_dynobj::do_section_address): New function.
1837         (Sized_incr_dynobj::do_section_type): New function.
1838         (Sized_incr_dynobj::do_section_link): New function.
1839         (Sized_incr_dynobj::do_section_info): New function.
1840         (Sized_incr_dynobj::do_section_addralign): New function.
1841         (Sized_incr_dynobj::do_initialize_xindex): New function.
1842         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1843         (make_sized_incremental_object): New function.
1844         (Incremental_library::copy_unused_symbols): New function.
1845         (Incremental_library::do_for_all_unused_symbols): New function.
1846         * incremental.h (enum Incremental_input_flags): New type.
1847         (class Incremental_checker): Remove.
1848         (Incremental_input_entry::Incremental_input_entry): Add argument
1849         serial number.
1850         (Incremental_input_entry::arg_serial): New function.
1851         (Incremental_input_entry::set_is_in_system_directory): New function.
1852         (Incremental_input_entry::is_in_system_directory): New function.
1853         (Incremental_input_entry::arg_serial_): New data member.
1854         (Incremental_input_entry::is_in_system_directory_): New data member.
1855         (class Script_info): Move here from script.h.
1856         (Script_info::Script_info): Add filename parameter.
1857         (Script_info::filename): New function.
1858         (Script_info::filename_): New data member.
1859         (Incremental_script_entry::Incremental_script_entry): Add argument
1860         serial number.
1861         (Incremental_object_entry::Incremental_object_entry): Likewise.
1862         (Incremental_object_entry::add_input_section): Build list of input
1863         sections with map to original shndx.
1864         (Incremental_object_entry::get_input_section_index): New function.
1865         (Incremental_object_entry::shndx_): New data member.
1866         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1867         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1868         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1869         serial number.
1870         (Incremental_inputs::report_archive_begin): Likewise.
1871         (Incremental_inputs::report_object): Likewise.
1872         (Incremental_inputs::report_script): Likewise.
1873         (class Incremental_global_symbol_reader): New class.
1874         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1875         and store flags and input file type.
1876         (Incremental_input_entry_reader::arg_serial): New function.
1877         (Incremental_input_entry_reader::type): Extract type from flags.
1878         (Incremental_input_entry_reader::is_in_system_directory): New function.
1879         (Incremental_input_entry_reader::get_input_section_count): Call
1880         accessor function for type.
1881         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1882         function for type; adjust size of global symbol entry.
1883         (Incremental_input_entry_reader::get_global_symbol_count): Call
1884         accessor function for type.
1885         (Incremental_input_entry_reader::get_object_count): Likewise.
1886         (Incremental_input_entry_reader::get_object_offset): Likewise.
1887         (Incremental_input_entry_reader::get_member_count): Likewise.
1888         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1889         (Incremental_input_entry_reader::get_member_offset): Likewise.
1890         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1891         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1892         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1893         (Incremental_input_entry_reader::get_global_symbol_reader): New
1894         function.
1895         (Incremental_input_entry_reader::get_output_symbol_index): New
1896         function.
1897         (Incremental_input_entry_reader::type_): Remove.
1898         (Incremental_input_entry_reader::flags_): New data member.
1899         (Incremental_inputs_reader::input_file_offset): New function.
1900         (Incremental_inputs_reader::input_file_index): New function.
1901         (Incremental_inputs_reader::input_file): Call input_file_offset.
1902         (Incremental_inputs_reader::input_file_at_offset): New function.
1903         (Incremental_relocs_reader::get_r_type): Reformat.
1904         (Incremental_relocs_reader::get_r_shndx): Reformat.
1905         (Incremental_relocs_reader::get_r_offset): Reformat.
1906         (Incremental_relocs_reader::data): New function.
1907         (Incremental_binary::Incremental_binary): Initialize new data members.
1908         (Incremental_binary::check_inputs): Add cmdline parameter.
1909         (Incremental_binary::file_is_unchanged): Remove.
1910         (Input_reader::arg_serial): New function.
1911         (Input_reader::get_unused_symbol_count): New function.
1912         (Input_reader::get_unused_symbol): New function.
1913         (Input_reader::do_arg_serial): New function.
1914         (Input_reader::do_get_unused_symbol_count): New function.
1915         (Input_reader::do_get_unused_symbol): New function.
1916         (Incremental_binary::input_file_count): New function.
1917         (Incremental_binary::get_input_reader): Change signature to use
1918         index instead of filename.
1919         (Incremental_binary::file_has_changed): New function.
1920         (Incremental_binary::get_input_argument): New function.
1921         (Incremental_binary::get_library): New function.
1922         (Incremental_binary::get_script_info): New function.
1923         (Incremental_binary::init_layout): New function.
1924         (Incremental_binary::reserve_layout): New function.
1925         (Incremental_binary::output_file): New function.
1926         (Incremental_binary::do_check_inputs): New function.
1927         (Incremental_binary::do_file_is_unchanged): Remove.
1928         (Incremental_binary::do_file_has_changed): New function.
1929         (Incremental_binary::do_init_layout): New function.
1930         (Incremental_binary::do_reserve_layout): New function.
1931         (Incremental_binary::do_input_file_count): New function.
1932         (Incremental_binary::do_get_input_reader): Change signature.
1933         (Incremental_binary::input_args_map_): New data member.
1934         (Incremental_binary::library_map_): New data member.
1935         (Incremental_binary::script_map_): New data member.
1936         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1937         new data members.
1938         (Sized_incremental_binary::output_section): New function.
1939         (Sized_incremental_binary::inputs_reader): Add const.
1940         (Sized_incremental_binary::symtab_reader): Add const.
1941         (Sized_incremental_binary::relocs_reader): Add const.
1942         (Sized_incremental_binary::got_plt_reader): Add const.
1943         (Sized_incremental_binary::get_symtab_view): New function.
1944         (Sized_incremental_binary::Inputs_reader): New typedef.
1945         (Sized_incremental_binary::Input_entry_reader): New typedef.
1946         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1947         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1948         (Sized_incremental_binary::do_file_has_changed): New function.
1949         (Sized_incremental_binary::do_init_layout): New function.
1950         (Sized_incremental_binary::do_reserve_layout): New function.
1951         (Sized_input_reader::Inputs_reader): Remove.
1952         (Sized_input_reader::Input_entry_reader): Remove.
1953         (Sized_input_reader::do_arg_serial): New function.
1954         (Sized_input_reader::do_get_unused_symbol_count): New function.
1955         (Sized_input_reader::do_get_unused_symbol): New function.
1956         (Sized_incremental_binary::do_input_file_count): New function.
1957         (Sized_incremental_binary::do_get_input_reader): Change signature;
1958         use index instead of filename.
1959         (Sized_incremental_binary::section_map_): New data member.
1960         (Sized_incremental_binary::input_entry_readers_): New data member.
1961         (class Sized_incr_relobj): New class.
1962         (class Sized_incr_dynobj): New class.
1963         (make_sized_incremental_object): New function.
1964         (class Incremental_library): New class.
1965         * layout.cc (Free_list::num_lists): New static data member.
1966         (Free_list::num_nodes): New static data member.
1967         (Free_list::num_removes): New static data member.
1968         (Free_list::num_remove_visits): New static data member.
1969         (Free_list::num_allocates): New static data member.
1970         (Free_list::num_allocate_visits): New static data member.
1971         (Free_list::init): New function.
1972         (Free_list::remove): New function.
1973         (Free_list::allocate): New function.
1974         (Free_list::dump): New function.
1975         (Free_list::print_stats): New function.
1976         (Layout_task_runner::run): Resize output file for incremental updates.
1977         (Layout::Layout): Initialize new data members.
1978         (Layout::set_incremental_base): New function.
1979         (Layout::init_fixed_output_section): New function.
1980         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1981         incremental updates.
1982         (Layout::create_gold_note): Do not create gold note section for
1983         incremental updates.
1984         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1985         for incremental updates.
1986         (Layout::set_section_offsets): For incremental updates, allocate space
1987         from free list.
1988         (Layout::create_symtab_sections): Layout with offsets relative to
1989         start of section; for incremental updates, allocate space from free
1990         list.
1991         (Layout::create_shdrs): For incremental updates, allocate space from
1992         free list.
1993         (Layout::finish_dynamic_section): For incremental updates, do not
1994         check --as-needed (fixed in subsequent patch).
1995         * layout.h (class Free_list): New class.
1996         (Layout::set_incremental_base): New function.
1997         (Layout::incremental_base): New function.
1998         (Layout::init_fixed_output_section): New function.
1999         (Layout::allocate): New function.
2000         (Layout::incremental_base_): New data member.
2001         (Layout::free_list_): New data member.
2002         * main.cc (main): Print Free_list statistics.
2003         * object.cc (Relobj::finalize_incremental_relocs): Add
2004         clear_counts parameter; clear counts only when clear_counts is set.
2005         (Sized_relobj::Sized_relobj): Initialize new base class.
2006         (Sized_relobj::do_layout): Don't report special sections.
2007         (Sized_relobj::do_for_all_local_got_entries): New function.
2008         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2009         symtab_off to all symbol table offsets.
2010         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2011         * object.h (class Got_offset_list): Move to top of file.
2012         (Object::Object): Allow case where input_file == NULL.
2013         (Object::~Object): Likewise.
2014         (Object::input_file): Assert that input_file != NULL.
2015         (Object::lock): Allow case where input_file == NULL.
2016         (Object::unlock): Likewise.
2017         (Object::is_locked): Likewise.
2018         (Object::token): Likewise.
2019         (Object::release): Likewise.
2020         (Object::is_incremental): New function.
2021         (Object::get_mtime): New function.
2022         (Object::for_all_local_got_entries): New function.
2023         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2024         (Object::set_is_in_system_directory): New function.
2025         (Object::is_in_system_directory): New function.
2026         (Object::do_is_incremental): New function.
2027         (Object::do_get_mtime): New function.
2028         (Object::do_for_all_local_got_entries): New function.
2029         (Object::is_in_system_directory_): New data member.
2030         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2031         (class Sized_relobj_base): New class.
2032         (class Sized_relobj): Derive from Sized_relobj_base.
2033         (class Sized_relobj::Symbols): Redeclare from base class.
2034         (class Sized_relobj::local_got_offset_list): Remove.
2035         (class Sized_relobj::Output_sections): Redeclare from base class.
2036         (class Sized_relobj::do_for_all_local_got_entries): New function.
2037         (class Sized_relobj::write_local_symbols): Add offset parameter.
2038         (class Sized_relobj::local_symbol_offset_): Update comment.
2039         (class Sized_relobj::local_dynsym_offset_): Update comment.
2040         * options.cc (Input_arguments::add_file): Remove const.
2041         * options.h (Input_file_argument::Input_file_argument):
2042         Initialize arg_serial_ (all constructors).
2043         (Input_file_argument::set_arg_serial): New function.
2044         (Input_file_argument::arg_serial): New function.
2045         (Input_file_argument::arg_serial_): New data member.
2046         (Input_arguments::Input_arguments): Initialize file_count_.
2047         (Input_arguments::add_file): Remove const.
2048         (Input_arguments::number_of_input_files): New function.
2049         (Input_arguments::file_count_): New data member.
2050         (Command_line::number_of_input_files): Call
2051         Input_arguments::number_of_input_files.
2052         * output.cc (Output_segment_headers::Output_segment_headers):
2053         Set current size.
2054         (Output_section::Input_section::current_data_size): New function.
2055         (Output_section::Output_section): Initialize new data members.
2056         (Output_section::add_input_section): Don't do merge sections for
2057         an incremental link; allocate space from free list for an
2058         incremental update.
2059         (Output_section::add_output_section_data): Allocate space from
2060         free list for an incremental update.
2061         (Output_section::update_data_size): New function.
2062         (Output_section::set_fixed_layout): New function.
2063         (Output_section::reserve): New function.
2064         (Output_segment::set_section_addresses): Remove const.
2065         (Output_segment::set_section_list_addresses): Remove const; allocate
2066         space from free list for an incremental update.
2067         (Output_segment::set_offset): Adjust size of RELRO segment for an
2068         incremental update.
2069         * output.h (Output_data::current_data_size): Move here from
2070         child classes.
2071         (Output_data::pre_finalize_data_size): New function.
2072         (Output_data::update_data_size): New function.
2073         (Output_section_headers::update_data_size): new function.
2074         (Output_section_data_build::current_data_size): Move to Output_data.
2075         (Output_data_strtab::update_data_size): New function.
2076         (Output_section::current_data_size): Move to Output_data.
2077         (Output_section::set_fixed_layout): New function.
2078         (Output_section::has_fixed_layout): New function.
2079         (Output_section::reserve): New function.
2080         (Output_section::update_data_size): New function.
2081         (Output_section::has_fixed_layout_): New data member.
2082         (Output_section::free_list_): New data member.
2083         (Output_segment::set_section_addresses): Remove const.
2084         (Output_segment::set_section_list_addresses): Remove const.
2085         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2086         New function.
2087         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2088         New function.
2089         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2090         parameter when calling Add_symbols constructor; store argument
2091         serial number for members of a lib group.
2092         (Add_symbols::locks): Allow case where token == NULL.
2093         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2094         (Read_member::~Read_member): New function.
2095         (Read_member::is_runnable): New function.
2096         (Read_member::locks): New function.
2097         (Read_member::run): New function.
2098         (Check_script::~Check_script): New function.
2099         (Check_script::is_runnable): New function.
2100         (Check_script::locks): New function.
2101         (Check_script::run): New function.
2102         (Check_library::~Check_library): New function.
2103         (Check_library::is_runnable): New function.
2104         (Check_library::locks): New function.
2105         (Check_library::run): New function.
2106         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2107         (Add_symbols::library_): New data member.
2108         (class Read_member): New class.
2109         (class Check_script): New class.
2110         (class Check_library): New class.
2111         * reloc.cc (Read_relocs::is_runnable): Allow case where
2112         token == NULL.
2113         (Read_relocs::locks): Likewise.
2114         (Scan_relocs::locks): Likewise.
2115         (Relocate_task::locks): Likewise.
2116         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2117         to clear counters.
2118         (Sized_relobj::incremental_relocs_scan): Fix comment.
2119         (Sized_relobj::do_relocate): Pass output file offset to
2120         write_local_symbols.
2121         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2122         from class declaration.
2123         * script.cc (read_input_script): Allocate Script_info; pass
2124         argument serial number to report_script.
2125         * script.h (class Script_info): Move to incremental.h.
2126         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2127         * symtab.h (Symbol_table::add_from_incrobj): New function.
2128         (Symbol_table::set_file_offset): New function.
2129
2130 2011-04-05  Cary Coutant  <ccoutant@google.com>
2131
2132         * incremental-dump.cc (dump_incremental_inputs): Change signature
2133         to take a Sized_incremental_binary; change caller.  Use readers
2134         in Sized_incremental_binary.
2135         * incremental.cc
2136         (Sized_incremental_binary::find_incremental_inputs_sections):
2137         Rename do_find_incremental_inputs_sections to this.
2138         (Sized_incremental_binary::setup_readers): New function.
2139         (Sized_incremental_binary::do_check_inputs): Check
2140         has_incremental_info_ flag; move setup code to setup_readers;
2141         use input readers.
2142         (Sized_incremental_binary::do_file_is_unchanged): New function.
2143         (Sized_incremental_binary::do_get_input_reader): New function.
2144         * incremental.h (class Incremental_binary): Move to end of file.
2145         (Incremental_binary::file_is_unchanged): New function.
2146         (Incremental_binary::do_file_is_unchanged): New function.
2147         (Incremental_binary::Input_reader): New class.
2148         (Incremental_binary::get_input_reader): New function.
2149         (class Sized_incremental_binary): Move to end of file.
2150         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2151         input section reader classes.
2152         (Sized_incremental_binary::has_incremental_info): New function.
2153         (Sized_incremental_binary::inputs_reader): New function.
2154         (Sized_incremental_binary::symtab_reader): New function.
2155         (Sized_incremental_binary::relocs_reader): New function.
2156         (Sized_incremental_binary::got_plt_reader): New function.
2157         (Sized_incremental_binary::do_file_is_unchanged): New function.
2158         (Sized_incremental_binary::Sized_input_reader): New class.
2159         (Sized_incremental_binary::get_input_reader): New function.
2160         (Sized_incremental_binary::find_incremental_inputs_sections):
2161         Rename do_find_incremental_inputs_sections to this.
2162         (Sized_incremental_binary::setup_readers): New function.
2163         (Sized_incremental_binary::has_incremental_info_): New data member.
2164         (Sized_incremental_binary::inputs_reader_): New data member.
2165         (Sized_incremental_binary::symtab_reader_): New data member.
2166         (Sized_incremental_binary::relocs_reader_): New data member.
2167         (Sized_incremental_binary::got_plt_reader_): New data member.
2168         (Sized_incremental_binary::current_input_file_): New data member.
2169
2170 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2171
2172         PR gold/12640
2173         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2174         violation.
2175
2176 2011-03-30  Cary Coutant  <ccoutant@google.com>
2177
2178         * archive.cc (Archive::include_member): Adjust call to report_object.
2179         (Add_archive_symbols::run): Add script_info to call to
2180         report_archive_begin.
2181         (Lib_group::include_member): Adjust call to report_object.
2182         (Add_lib_group_symbols::run): Adjust call to report_object.
2183         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2184         blocks.  Add object count for script input files.
2185         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2186         script_info parameter; change all callers.
2187         (Incremental_inputs::report_object): Add script_info parameter;
2188         change all callers.
2189         (Incremental_inputs::report_script): Store backpointer to
2190         incremental info entry.
2191         (Output_section_incremental_inputs::set_final_data_size): Record
2192         additional information for scripts.
2193         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2194         * incremental.h (Incremental_script_entry::add_object): New function.
2195         (Incremental_script_entry::get_object_count): New function.
2196         (Incremental_script_entry::get_object): New function.
2197         (Incremental_script_entry::objects_): New data member; adjust
2198         constructor.
2199         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2200         (Incremental_inputs::report_object): Add script_info parameter.
2201         (Incremental_inputs_reader::get_object_count): New function.
2202         (Incremental_inputs_reader::get_object_offset): New function.
2203         * options.cc (Input_arguments::add_file): Return reference to
2204         new input argument.
2205         * options.h (Input_argument::set_script_info): New function.
2206         (Input_argument::script_info): New function.
2207         (Input_argument::script_info_): New data member; adjust all
2208         constructors.
2209         (Input_file_group::add_file): Return reference to new input argument.
2210         (Input_file_lib::add_file): Likewise.
2211         (Input_arguments::add_file): Likewise.
2212         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2213         * script.cc (Parser_closure::Parser_closure): Add script_info
2214         parameter; adjust all callers.
2215         (Parser_closure::script_info): New function.
2216         (Parser_closure::script_info_): New data member.
2217         (read_input_script): Report scripts earlier to incremental info.
2218         (script_add_file): Set script_info in Input_argument.
2219         (script_add_library): Likewise.
2220         * script.h (Script_options::Script_info): Rewrite class.
2221
2222 2011-03-29  Cary Coutant  <ccoutant@google.com>
2223
2224         * archive.cc (Library_base::should_include_member): Move
2225         method here from class Archive.
2226         (Archive::Archive): Initialize base class.
2227         (Archive::should_include_member): Move to base class.
2228         (Archive::do_for_all_unused_symbols): New function.
2229         (Add_archive_symbols::run): Remove redundant access to
2230         incremental_inputs.
2231         (Lib_group::Lib_group): Initialize base class.
2232         (Lib_group::do_filename): New function.
2233         (Lib_group::include_member): Pass pointer to Lib_group to
2234         report_object.
2235         (Lib_group::do_for_all_unused_symbols): New function.
2236         (Add_lib_group_symbols::run): Report archive information for
2237         incremental links.
2238         * archive.h (class Library_base): New base class.
2239         (class Archive): Derive from Library_base.
2240         (Archive::filename): Move to base class.
2241         (Archive::set_incremental_info): Likewise.
2242         (Archive::incremental_info): Likewise.
2243         (Archive::Should_include): Likewise.
2244         (Archive::should_include_member): Likewise.
2245         (Archive::Armap_entry): Remove.
2246         (Archive::Unused_symbol_iterator): Remove.
2247         (Archive::unused_symbols_begin): Remove.
2248         (Archive::unused_symbols_end): Remove.
2249         (Archive::do_filename): New function.
2250         (Archive::do_get_mtime): New function.
2251         (Archive::do_for_all_unused_symbols): New function.
2252         (Archive::task_): Move to base class.
2253         (Archive::incremental_info_): Likewise.
2254         (class Lib_group): Derive from Library_base.
2255         (Lib_group::do_filename): New function.
2256         (Lib_group::do_get_mtime): New function.
2257         (Lib_group::do_for_all_unused_symbols): New function.
2258         (Lib_group::task_): Move to base class.
2259         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2260         function.
2261         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2262         function.
2263         * incremental.cc (Incremental_inputs::report_archive_begin):
2264         Use Library_base; call library's get_mtime; add incremental inputs
2265         entry before members.
2266         (class Unused_symbol_visitor): New class.
2267         (Incremental_inputs::report_archive_end): Use Library_base; use
2268         visitor class to record unused symbols; don't add incremental inputs
2269         entry after members.
2270         (Incremental_inputs::report_object): Use Library_base.
2271         * incremental.h
2272         (Incremental_archive_entry::Incremental_archive_entry): Remove
2273         unused Archive parameter.
2274         (Incremental_inputs::report_archive_begin): Use Library_base.
2275         (Incremental_inputs::report_archive_end): Likewise.
2276         (Incremental_inputs::report_object): Likewise.
2277         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2278         function.
2279         * object.h (Object::for_all_global_symbols): New function.
2280         (Object::do_for_all_global_symbols): New function.
2281         (Sized_relobj::do_for_all_global_symbols): New function.
2282         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2283         function.
2284         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2285         function.
2286
2287 2011-03-27  Ian Lance Taylor  <iant@google.com>
2288
2289         * archive.cc (Archive::interpret_header): Return -1 if something
2290         goes wrong.  Change callers accordingly.
2291
2292 2011-03-25  Cary Coutant  <ccoutant@google.com>
2293
2294         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2295         * testsuite/Makefile.in: Regenerate.
2296
2297 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2298
2299         * plugin.cc (get_view): New.
2300         (Plugin::load): Pass get_view to the plugin.
2301         (Plugin_manager::get_view): New.
2302
2303 2011-03-21  Ian Lance Taylor  <iant@google.com>
2304
2305         * testsuite/final_layout.sh: Rewrite to not use dc.
2306         * testsuite/relro_test.sh: Fail if dc is not present.
2307
2308 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2309
2310         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2311         Change == to -eq.
2312         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2313         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2314         Change == to -eq.
2315         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2316         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2317
2318 2011-03-14  Ian Lance Taylor  <iant@google.com>
2319
2320         * script-sections.cc (Sort_output_sections::script_compare):
2321         Rename from is_before, change return type.
2322         (Sort_output_sections::operator()): Adjust accordingly.
2323
2324 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2325
2326         PR gold/12572
2327         * testsuite/odr_violation2.cc: Add comment to make all error line
2328         numbers double digits.
2329         * testsuite/debug_msg.sh: Adjust expected errors.
2330
2331 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2332
2333         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2334         but mark earlier ones as non-canonical
2335         (offset_to_iterator): Update search target and example
2336         (do_addr2line): Return extra lines in a vector*
2337         (format_file_lineno): Extract from do_addr2line
2338         (one_addr2line): Add vector* out-param
2339         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2340         when a lineno entry appeared last for its instruction
2341         (Dwarf_line_info): Add vector* out-param
2342         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2343         * symtab.cc (Odr_violation_compare): Include the lineno in the
2344         comparison again.
2345         (linenos_from_loc): New. Combine the canonical line for an
2346         address with its other lines.
2347         (True_if_intersect): New. Helper functor to make
2348         std::set_intersection a query.
2349         (detect_odr_violations): Compare sets of lines instead of just
2350         one line for each function. This became less deterministic, but
2351         has fewer false positives.
2352         * symtab.h: Declarations.
2353         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2354         mix an optimized and non-optimized object in the same binary
2355         (odr_violation2.so): Same.
2356         * testsuite/Makefile.in: Regenerate from Makefile.am.
2357         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2358         * testsuite/debug_msg.sh: Update line numbers and add
2359         assertions.
2360         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2361         non-optimized context.
2362         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2363         isn't inlined, and use OdrDerived in an optimized context.
2364         * testsuite/odr_header1.h: Defines OdrDerived, where
2365         optimization will change the
2366         first-instruction-in-the-destructor's file and line number.
2367         * testsuite/odr_header2.h: Defines OdrBase.
2368
2369 2011-03-09  Ian Lance Taylor  <iant@google.com>
2370
2371         * fileread.cc (File_read::clear_views): Don't delete the whole
2372         file view.
2373
2374 2011-03-08  Ian Lance Taylor  <iant@google.com>
2375
2376         PR gold/12525
2377         * fileread.cc: #include <climits>.
2378         (GOLD_IOV_MAX): Define.
2379         (File_read::read_multiple): Limit number of entries by iov_max.
2380         * fileread.h (class File_read): Always set max_readv_entries to
2381         128.
2382
2383 2011-03-07  Ian Lance Taylor  <iant@google.com>
2384
2385         PR gold/12525
2386         * options.h (class General_options): Add -dy and -dn.
2387
2388 2011-03-02  Cary Coutant  <ccoutant@google.com>
2389
2390         * testsuite/script_test_9.t: Add TLS segment.
2391
2392 2011-03-02  Simon Baldwin  <simonb@google.com>
2393
2394         * configure.ac: Add check for gnu_indirect_function support in
2395         the toolchain building binutils.
2396         * configure: Rebuild.
2397
2398 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2399
2400         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2401         plugin only symbols.
2402         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2403         in plugin files as not needed in the symbol table.
2404
2405 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2406
2407         * output.cc (Output_section::add_input_section): Delay fill
2408         generation for section ordering.
2409
2410 2011-02-09  Ian Lance Taylor  <iant@google.com>
2411
2412         PR gold/12316
2413         * object.h (class Sized_relobj): Remove clear_local_symbols.
2414         * reloc.cc (Sized_relobj::do_relocate): Don't call
2415         clear_local_symbols.
2416
2417 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2418
2419         * plugin.cc (is_visible_from_outside): Return true for symbols
2420         in the -u option.
2421
2422 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2423
2424         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2425         filename.
2426
2427 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2428
2429         * icf.h (is_section_foldable_candidate): Change type of parameter
2430         to std::string.
2431         * icf.cc (Icf::find_identical_sections): Change type of local variable
2432         section_name to be std::string.
2433         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2434
2435 2011-01-25  Ian Lance Taylor  <iant@google.com>
2436
2437         * script.cc (script_add_extern): Rewrite to use
2438         add_symbol_reference.
2439
2440 2011-01-25  Doug Kwan  <dougkwan@google.com>
2441
2442         * icf.cc (get_section_contents): Always lock section's object.
2443
2444 2011-01-24  Ian Lance Taylor  <iant@google.com>
2445
2446         * options.h (class General_options): Accept
2447         --no-detect-odr-violations.
2448
2449 2011-01-24  Ian Lance Taylor  <iant@google.com>
2450
2451         * version.cc (version_string): Bump to 1.11.
2452
2453 2011-01-24  Ian Lance Taylor  <iant@google.com>
2454
2455         * plugin.cc (class Plugin_rescan): Define new class.
2456         (Plugin_manager::claim_file): Set any_claimed_.
2457         (Plugin_manager::save_archive): New function.
2458         (Plugin_manager::save_input_group): New function.
2459         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2460         necessary.
2461         (Plugin_manager::new_undefined_symbol): New function.
2462         (Plugin_manager::rescan): New function.
2463         (Plugin_manager::rescannable_defines): New function.
2464         (Plugin_manager::add_input_file): Set any_added_.
2465         * plugin.h (class Plugin_manager): define new fields rescannable_,
2466         undefined_symbols_, any_claimed_, and any_added_.  Declare
2467         Plugin_rescan as friend.  Declare new functions.
2468         (Plugin_manager::Rescannable): Define type.
2469         (Plugin_manager::Rescannable_list): Define type.
2470         (Plugin_manager::Undefined_symbol_list): Define type.
2471         (Plugin_manager::Plugin_manager): Initialize new fields.
2472         * archive.cc (Archive::defines_symbol): New function.
2473         (Add_archive_symbols::run): Pass archive to plugins if any.
2474         * archive.h (class Archive): Declare defines_symbol.
2475         * readsyms.cc (Input_group::~Input_group): New function.
2476         (Finish_group::run): Pass input_group to plugins if any.
2477         * readsyms.h (class Input_group): Declare destructor.
2478         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2479         any.
2480
2481 2011-01-10  Ian Lance Taylor  <iant@google.com>
2482
2483         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2484         section as relro.
2485         (Layout::set_segment_offsets): Reset increase_relro before calling
2486         set_section_addresses a second time.
2487
2488 2011-01-04  Cary Coutant  <ccoutant@google.com>
2489
2490         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2491         sections before NOBITS sections.
2492
2493 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2494
2495         * version.cc (print_version): Update copyright to 2011.
2496
2497 2010-12-23  Cary Coutant  <ccoutant@google.com>
2498
2499         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2500         of OS to this->add.  Add OD parameter to second form of the function.
2501
2502 2010-12-20  Ian Lance Taylor  <iant@google.com>
2503
2504         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2505         second of two consecutive entries with same offset.
2506
2507 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2508
2509         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2510         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2511         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2512         to avoid unneeded links against $(LDADD).
2513         * testsuite/Makefile.in: Regenerate.
2514
2515 2010-12-15  Ian Lance Taylor  <iant@google.com>
2516
2517         PR gold/12324
2518         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2519         for R_X86_64_32 and R_X86_64_PC32.
2520         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2521         ver_matching_def_pic.o.
2522         (ver_matching_def_pic.o): New target.
2523
2524 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2525
2526         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2527         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2528         Move definition before File_read::View member definitions.
2529         (File_read::View::~View): Initialize and hold lock before
2530         updating current_mapped_bytes.
2531
2532 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2533
2534         * dwarf_reader.cc: Remove outdated comment.
2535         * gold-threads.cc: Fix typo in error message.
2536         * archive.cc: Fix typos in comments.
2537         * archive.h: Likewise.
2538         * arm-reloc-property.cc: Likewise.
2539         * arm-reloc-property.h: Likewise.
2540         * arm-reloc.def: Likewise.
2541         * arm.cc: Likewise.
2542         * attributes.h: Likewise.
2543         * cref.cc: Likewise.
2544         * ehframe.cc: Likewise.
2545         * fileread.h: Likewise.
2546         * gold.h: Likewise.
2547         * i386.cc: Likewise.
2548         * icf.cc: Likewise.
2549         * incremental.h: Likewise.
2550         * int_encoding.cc: Likewise.
2551         * layout.h: Likewise.
2552         * main.cc: Likewise.
2553         * merge.h: Likewise.
2554         * object.cc: Likewise.
2555         * object.h: Likewise.
2556         * options.cc: Likewise.
2557         * readsyms.cc: Likewise.
2558         * reduced_debug_output.cc: Likewise.
2559         * reloc.cc: Likewise.
2560         * script-sections.cc: Likewise.
2561         * sparc.cc: Likewise.
2562         * symtab.h: Likewise.
2563         * target-reloc.h: Likewise.
2564         * target.cc: Likewise.
2565         * target.h: Likewise.
2566         * timer.cc: Likewise.
2567         * timer.h: Likewise.
2568         * x86_64.cc: Likewise.
2569
2570 2010-12-09  Cary Coutant  <ccoutant@google.com>
2571
2572         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2573         stack.
2574         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2575         parameter; change all callers.
2576         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2577         * options.h (warn_execstack): New option.
2578
2579 2010-12-07  Doug Kwan  <dougkwan@google.com>
2580
2581         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2582         like function call relocations.
2583
2584 2010-12-07  Ian Lance Taylor  <iant@google.com>
2585
2586         * archive.cc (Archive::get_elf_object_for_member): Permit
2587         punconfigured to be NULL.
2588         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2589         (Archive::include_member): Pass NULL to get_elf_object_for_member
2590         if we searched for the archive and this is the first included
2591         object.
2592
2593 2010-12-01  Ian Lance Taylor  <iant@google.com>
2594
2595         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2596         track_relocs_type_ field.
2597         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2598         Set track_relocs_type_.
2599         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2600         contents when using RELA relocs.
2601         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2602         reloc_map_.
2603         * reloc.cc (Track_relocs::next_addend): New function.
2604         * reloc.h (class Track_relocs): Declare next_addend.
2605
2606 2010-12-01  Ian Lance Taylor  <iant@google.com>
2607
2608         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2609         virtual destructor.
2610
2611 2010-12-01  Ian Lance Taylor  <iant@google.com>
2612
2613         * README: Update compilers known to work and fail.
2614
2615 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2616
2617         * configure.in: For --enable-gold, handle value `default' instead of
2618         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2619         not the default.
2620         * configure: Regenerate.
2621
2622 2010-11-18  Doug Kwan  <dougkwan@google.com>
2623
2624         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2625         and right_alignment to be zero.  Store result alignment only if it is
2626         greater than existing alignment.
2627
2628 2010-11-16  Cary Coutant  <ccoutant@google.com>
2629
2630         PR gold/12220
2631         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2632         Check for ".zdebug_line".
2633
2634 2010-11-16  Doug Kwan  <dougkwan@google.com>
2635             Cary Coutant  <ccoutant@google.com>
2636
2637         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2638         by reference; adjust all callers.
2639         * output.cc (Output_segment::set_section_addresses): Adjust references
2640         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2641         list is empty.
2642         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2643         end at page boundary.
2644
2645 2010-11-16  Cary Coutant  <ccoutant@google.com>
2646
2647         PR gold/12220
2648         * layout.cc (Layout::choose_output_section): Transform names of
2649         compressed sections even when using a script with a SECTIONS clause.
2650         (Layout::output_section_name): Remove code to transform
2651         compressed debug section names.
2652         * output.cc (Output_section::add_input_section): Use uncompressed
2653         section size when tracking input sections.
2654
2655 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2656
2657         * symtab.h (Symbol::NON_PIC_REF): Remove.
2658         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2659         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2660         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2661         (Symbol::use_plt_offset): Take a flags argument and pass it
2662         directly to needs_dynamic_reloc.  Restrict check for undefined
2663         weak symbols to function calls.
2664         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2665         (Target_arm::Scan::global): Use it.
2666         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2667         (Target_arm::Relocate::relocate): Likewise.
2668         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2669         parameter with an r_type parameter.  Use get_reference_flags
2670         to get the flags.
2671         (Target_arm::Relocate::relocate): Update accordingly.
2672         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2673         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2674         (Target_i386::Scan::global): Likewise.
2675         (Target_i386::Relocate::relocate): Likewise.
2676         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2677         parameter with an r_type parameter.  Use get_reference_flags
2678         to get the flags.
2679         (Target_i386::Relocate::relocate): Update accordingly.
2680         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2681         (Target_powerpc::Scan::global): Use it.
2682         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2683         (Target_powerpc::Relocate::relocate): Likewise.
2684         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2685         (Target_sparc::Scan::global): Use it.
2686         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2687         (Target_sparc::Relocate::relocate): Likewise.
2688         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2689         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2690         (Target_x86_64::Scan::global): Likewise.
2691         (Target_x86_64::Relocate::relocate): Likewise.
2692
2693 2010-11-08  Doug Kwan  <dougkwan@google.com>
2694             Cary Coutant  <ccoutant@google.com>
2695
2696         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2697         (Arm_exidx_merge_section::section_contents_): New data member.
2698         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2699         (Arm_input_section::~Arm_input_section): De-allocate memory.
2700         (Arm_input_section::original_contents_): New data member.
2701         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2702         in parameters instead of calling Object::section_contents without
2703         locking.
2704         (Arm_output_section::group_section): New parameter TASK.  Pass it
2705         to callees that need locking objects.
2706         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2707         to lock EXIDX input sections.  Fix a formatting issue.  Call
2708         Arm_exidx_merged_section::build_contents to create merged section
2709         contents.
2710         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2711         to lock object of stub table owner.
2712         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2713         TEXT_SIZE to initialize data member TEXT_SIZE_.
2714         (Arm_exidx_input_section::addralign): Fix typo in comment.
2715         (Arm_exidx_input_section::text_size): New method.
2716         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2717         that require locking objects.  Lock objects before scanning for stubs
2718         and updating local symbols.
2719         (Arm_input_section<big_endian>::init): Copy contents of original
2720         input section.
2721         (Arm_input_section<big_endian>::do_write): Use saved contents of
2722         original input section instead of calling Object::section_contents
2723         without locking.
2724         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2725         size without calling Object::section_size().
2726         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2727         for size.  Allocate a buffer for merged EXIDX entries.
2728         (Arm_exidx_merged_section::build_contents): New method.
2729         (Arm_exidx_merged_section::do_write): Move merge section contents
2730         building code to Arm_exidx_merged_section::build_contetns.  Write
2731         out contetns in buffer instead of building it on the fly.
2732         (Arm_relobj::make_exidx_input_section): Also pass text section size
2733         to Arm_exidx_input_section constructor.
2734         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2735         (Arm_dynobj::do_read_symbols): Fix memory leak.
2736         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2737         * target.h: (class Task): Add forward declaration.
2738         (Target::relax): Add new parameter TASK and pass it to
2739         Target::do_relax().
2740         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2741
2742 2010-11-05  Cary Coutant  <ccoutant@google.com>
2743
2744         PR gold/10708
2745         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2746         object when reading from the file.
2747         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2748         second layout pass.
2749         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2750         when reading section contents.
2751         (get_section_contents): Likewise.
2752         (icf::find_identical_sections): Likewise.
2753         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2754         object when reading from the file.
2755         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2756         the object when doing deferred section layout.
2757
2758 2010-11-03  Nick Clifton  <nickc@redhat.com>
2759
2760         PR gold/12001
2761         * script.h (class Symbol_assignment: name): New member.  Returns
2762         the name of the symbol.
2763         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2764         Returns true if the given symbol name is on the list of
2765         assignments wating to be processed.
2766         * archive.cc (should_incldue_member): If the symbol is undefined,
2767         check to see if it is on the list of symbols pending assignment.
2768
2769 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2770
2771         * script-sections.cc (Script_sections::find_memory_region): Check
2772         for a NULL output section pointer.
2773
2774 2010-10-29  Doug Kwan  <dougkwan@google.com>
2775
2776         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2777         Output_section::add_relaxed_input_section.
2778         * output.cc (Output_section::add_relaxed_input_section): Add new
2779         arguments LAYOUT and NAME.  Set section order index.
2780         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2781         Copy section order index.
2782         * output.h (Output_section::add_relaxed_input_section): Add new
2783         arguments LAYOUT and NAME.
2784
2785 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2786
2787         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2788         NATIVE_OR_CROSS_LINKER.
2789         * testsuite/Makefile.in: Regenerate.
2790
2791 2010-10-20  Doug Kwan  <dougkwan@google.com>
2792
2793         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2794         without SHF_LINK_ORDER flags.
2795         * layout.cc (Layout::choose_output_section): Do not filter
2796         SHF_LINK_ORDER flag in a relocatable link.
2797
2798 2010-10-17  Cary Coutant  <ccoutant@google.com>
2799
2800         * output.h (Output_segment::set_section_addresses): Change function
2801         signature.  Update all callers.
2802         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2803         sections.
2804         (Output_segment::set_section_addresses): Align after last TLS
2805         section.  Add padding before last relro section instead of after.
2806
2807 2010-10-17  Doug Kwan  <dougkwan@google.com>
2808
2809         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2810         GOT output section to be writable.
2811
2812 2010-10-14  Cary Coutant  <ccoutant@google.com>
2813
2814         * debug.h (DEBUG_INCREMENTAL): New flag.
2815         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2816         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2817         mode.
2818         * incremental.cc (report_command_line): Ignore all forms of
2819         --incremental.
2820         * layout.cc (Layout::Layout): Check parameters for incremental link
2821         mode.
2822         * options.cc (General_options::parse_incremental): New function.
2823         (General_options::parse_no_incremental): New function.
2824         (General_options::parse_incremental_full): New function.
2825         (General_options::parse_incremental_update): New function.
2826         (General_options::incremental_mode_): New data member.
2827         (General_options::finalize): Check incremental_mode_.
2828         * options.h (General_options): Update help text for --incremental.
2829         Add --no-incremental, --incremental-full, --incremental-update.
2830         (General_options::Incremental_mode): New enum type.
2831         (General_options::incremental_mode): New function.
2832         (General_options::incremental_mode_): New data member.
2833         * parameters.cc (Parameters::incremental_mode_): New data member.
2834         (Parameters::set_options): Set incremental_mode_.
2835         (Parameters::set_incremental_full): New function.
2836         (Parameters::incremental): New function.
2837         (Parameters::incremental_update): New function.
2838         (set_parameters_incremental_full): New function.
2839         * parameters.h (Parameters::set_incremental_full): New function.
2840         (Parameters::incremental): New function.
2841         (Parameters::incremental_update): New function.
2842         (Parameters::incremental_mode_): New data member.
2843         (set_parameters_incremental_full): New function.
2844         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2845         incremental link mode.
2846         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2847         (Sized_relobj::do_relocate_sections): Likewise.
2848         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2849         option.
2850         * testsuite/Makefile.in: Regenerate.
2851         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2852
2853 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2854
2855         * script-sections.h (class Script_sections): Make
2856         Sections_elements typedef public.
2857         * script-sections.cc (class Sort_output_sections): Add elements_
2858         field.  Add constructor which sets it; change all callers.
2859         (Sort_output_sections::is_before): New function.
2860         (Sort_output_sections::operator()): Call is_before.
2861         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2862         conditional.
2863         * testsuite/script_test_10.sh: New test. Test script section
2864         order.
2865         * testsuite/script_test_10.t: Likewise.
2866         * testsuite/script_test_10.s: Likewise.
2867         * testsuite/Makefile.am: Wrap the cross linker tests and the
2868         common tests into NATIVE_OR_CROSS_LINKER.
2869         (check_SCRIPTS): Add script_test_10.sh.
2870         (check_DATA): Add script_test_10.stdout.
2871         (script_test_10.o, script_test_10): New targets.
2872         (script_test_10.stdout): New target.
2873         * configure, testsuite/Makefile.in: Regenerate.
2874
2875 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2876
2877         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2878         error for the deprecated relocations.
2879         (Target_arm::Scan::global): Likewise.
2880         (Target_arm::Relocate::relocate): Likewise.
2881
2882 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2883
2884         * fileread.cc (Input_file::find_file): Initialize *found_name
2885         and *namep when using the fallback search for case 4.
2886
2887 2010-10-11  Cary Coutant  <ccoutant@google.com>
2888
2889         * options.h (class General_options): Redefine -z lazy as an alias for
2890         the negation of -z now.
2891
2892 2010-10-11  Ian Lance Taylor  <iant@google.com>
2893
2894         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2895         binding.
2896
2897 2010-10-06  Nick Clifton  <nickc@redhat.com>
2898
2899         * script-sections.cc(class Memory_region): Remove
2900         current_lma_offset_ field.  Rename current_vma_offset_ to
2901         current_offset_.  Add last_section_ field.
2902         (Memory_region::get_current_vma_address): Rename to
2903         get_current_address.
2904         (Memory_region::get_current_lma_address): Delete.
2905         (Memory_region::increment_vma_offset): Rename to
2906         increment_offset.
2907         (Memory_region::increment_lma_offset): Delete.
2908         (Memory_region::attributes_compatible): New method.  Returns
2909         true if the provided section is compatible with the region.
2910         (Memory_region::get_last_section): New method.  Returns the last
2911         section to use the region.
2912         (Memory_region::set_last_section): New method.  Stores the last
2913         section to use the region.
2914         (Script_sections::block_in_region): New method.  Returns true if
2915         a block of memory is contained within a region.
2916         (Script_sections::find_memory_region): New method.  Locates a
2917         memory region to be used to set a VMA or LMA address.
2918         (Output_section_definition::set_section_addresses): Add code to
2919         check for addresses set by memory regions.
2920         (Output_segment::set_section_addresses): Remove memory region
2921         walking code.
2922         (Script_sections::create_segment): Add a warning if a header
2923         segment is created outside of any region.
2924         * script-sections.h (class Script_sections): Add prototypes for
2925         find_memory_region and block_in_region methods.
2926         * testsuite/memory_test.s: Use .long instead of .word.
2927         * testsuite/memory_test.t: Add some more output sections.
2928         * testsuite/memory_test.sh: Update expected output.
2929
2930 2010-10-02  Doug Kwan  <dougkwan@google.com>
2931
2932         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2933         defintion to symtab.h
2934         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2935         declaration to defintion.
2936
2937 2010-10-01  Nick Clifton  <nickc@redhat.com>
2938
2939         * expression.cc (eval): Replace dummy argument with NULL.
2940         (eval_maybe_dot): Check for a NULL result section pointer.
2941         (Symbol_expression::value): Likewise.
2942         (Dot_expression::value): Likewise.
2943         (BINARY_EXPRESSION): Likewise.
2944         (Max_expression::value): Likewise.
2945         (Min_expression::value): Likewise.
2946         (Absolute_expression::value): Likewise.
2947         (Addr_expression::value_from_output_section): Likewise.
2948         (Loaddddr_expression::value_from_output_section): Likewise.
2949         (Segment_start_expression::value): Likewise.
2950         * script-sections.cc
2951         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2952         argument with NULL.
2953         (Sections_elememt_dot_assignment::set_section_addresses):
2954         Likewise.
2955         (Output_data_expression::do_write_to_buffer): Likewise.
2956         (Output_section_definition::finalize_symbols): Likewise.
2957         (Output_section_definition::set_section_addresses): Likewise.
2958
2959 2010-09-30  Doug Kwan  <dougkwan@google.com>
2960
2961         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2962
2963 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2964
2965         * target.h (Target::can_icf_inline_merge_sections): New virtual
2966         function.
2967         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2968         virtual function.
2969         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2970         virtual function.
2971         * icf.cc (get_section_contents): Inline merge sections only when
2972         target allows it.
2973
2974 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2975
2976         * configure: Regenerate.
2977
2978 2010-09-17  Ian Lance Taylor  <iant@google.com>
2979
2980         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2981         * testsuite/Makefile.am (memory_test.o): New target.
2982         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2983         memory_test.t.
2984         * testsuite/Makefile.in: Rebuild.
2985
2986 2010-09-17  Doug Kwan  <dougkwan@google.com>
2987
2988         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2989         defintion if relocation uses GOT entries of the symbol.
2990         * testsuite/icf_safe_test.sh: Fix test.
2991         * testsuite/icf_safe_so_test.sh: Fix test.
2992
2993 2010-09-16  Cary Coutant  <ccoutant@google.com>
2994
2995         * script_sections.cc (class Memory_region): Remove "NULL" from
2996         vector initializations.
2997
2998 2010-09-15  Cary Coutant  <ccoutant@google.com>
2999
3000         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3001         Resolve forwarding symbols.
3002
3003 2010-09-15  Doug Kwan  <dougkwan@google.com>
3004
3005         * gold/testsuite/script_test_3.t: Add ARM special sections.
3006         * gold/testsuite/script_test_4.t: Same.
3007         * gold/testsuite/script_test_5.t: Same.
3008         * gold/testsuite/script_test_6.t: Same.
3009         * gold/testsuite/script_test_7.t: Same.
3010         * gold/testsuite/script_test_7.t: Same.
3011         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3012
3013 2010-09-14  Cary Coutant  <ccoutant@google.com>
3014
3015         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3016         (Target_x86_64::Relocate::relocate_tls): Replace check for
3017         saw_tls_block_reloc_ with test for executable section.
3018
3019 2010-09-12  Cary Coutant  <ccoutant@google.com>
3020
3021         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3022         position-independent executables to shared libraries need dynamic
3023         relocations.
3024         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3025         position-independent executables.
3026         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3027         * testsuite/Makefile.in: Regenerate.
3028
3029 2010-09-10  Nick Clifton  <nickc@redhat.com>
3030
3031         PR gold/11997
3032         * testsuite/memory_test.t: Discard any sections that are not
3033         needed.
3034
3035 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3036
3037         PR gold/11996
3038         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3039         "This::" to work around a bug in gcc 4.2.
3040
3041         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3042
3043 2010-09-09  Rafael Espindola  <espindola@google.com>
3044
3045         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3046         sections with different PF_X flags in the same segment.
3047         (Layout::find_first_load_seg): Search all segments to find the first
3048         one.
3049         * options.h (rosegment): New.
3050
3051 2010-09-08  Rafael Espindola  <espindola@google.com>
3052
3053         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3054
3055 2010-09-08  Doug Kwan  <dougkwan@google.com>
3056
3057         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3058         (Arm_relobj::do_relocate_sections): Add new parameter for output
3059         file to match the parent.
3060         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3061         of local symbols instead of input values.  Update code to track
3062         changes in gold::relocate_section.
3063         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3064         (Sized_relobj::compute_final_local_value_internal): New methods.
3065         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3066         body into private version of Sized_relobj::compute_final_local_value.
3067         Call the inline method.
3068         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3069         merged symbol value if there is one.
3070         (Symbol_value::has_output_value): New method defintiion.
3071         (Sized_relobj::Compute_final_local_value_status): New enum type.
3072         (Sized_relobj::compute_final_local_value): New methods.
3073         (Sized_relobj::compute_final_local_value_internal): New methods.
3074         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3075         and arm_cortex_a8.sh.
3076         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3077         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3078         New tests.
3079         * Makefile.in: Regenerate.
3080         * testsuite/arm_bl_out_of_range.s: Update test.
3081         * testsuite/thumb_bl_out_of_range.s: Ditto.
3082         * testsuite/thumb_blx_out_of_range.s: Ditto.
3083         * testsuite/arm_branch_out_of_range.sh: New file.
3084         * testsuite/arm_cortex_a8.sh: Ditto.
3085         * testsuite/arm_cortex_a8_b.s: Ditto.
3086         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3087         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3088         * testsuite/arm_cortex_a8_bl.s: Ditto.
3089         * testsuite/arm_cortex_a8_blx.s: Ditto.
3090         * testsuite/arm_cortex_a8_local.s: Ditto.
3091         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3092         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3093
3094 2010-09-08  Rafael Espindola  <espindola@google.com>
3095
3096         * Makefile.am (memory_test.stdout): Run readelf with -W.
3097         * Makefile.in: Regenerate.
3098         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3099         64 bit output.
3100
3101 2010-09-08  Rafael Espindola  <espindola@google.com>
3102
3103         * script-sections.cc (Script_sections::add_memory_region): Convert
3104         field precision to int.
3105         * script.cc (script_set_section_region, script_set_section_region):
3106         Convert field precision to int.
3107
3108 2010-09-08  Rafael Espindola  <espindola@google.com>
3109
3110         * arm.cc (do_finalize_sections): Create the __exidx_start and
3111         __exdix_end symbols even when the section is missing.
3112
3113 2010-09-08  Nick Clifton  <nickc@redhat.com>
3114
3115         * README: Remove claim that MEMORY is not supported.
3116         * expression.cc (script_exp_function_origin)
3117         (script_exp_function_length): Move from here to ...
3118         * script.cc: ... here.
3119         (script_set_section_region, script_add_memory)
3120         (script_parse_memory_attr, script_include_directive): New
3121         functions.
3122         * script-sections.cc
3123         (class Memory_region): New class.
3124         (class Output_section_definition): Add set_memory_region,
3125         set_section_vma, set_section_lma and get_section_name methods.
3126         (class Script_Sections): Add add_memory_region,
3127         find_memory_region, find_memory_region_origin,
3128         find_memory_region_length and set_memory_region methods.
3129         Have set_section_addresses method walk the list of set memory
3130         regions.
3131         Extend the print methos to display memory regions.
3132         * script-sections.h: Add prototypes for new methods.
3133         Add enum for MEMORY region attributes.
3134         * yyscript.y: Add support for parsing MEMORY regions.
3135         * script-c.h: Add prototypes for new functions.
3136         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3137         * testsuite/Makefile.in: Regenerate.
3138         * testsuite/memory_test.sh: New script.
3139         * testsuite/memory_test.s: New assembler source file.
3140         * testsuite/memory_test.t: New linker script.
3141
3142 2010-08-27  Doug Kwan  <dougkwan@google.com>
3143
3144         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3145         reference override an existing dynamic weak reference.
3146         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3147         * testsuite/Makefile.in: Regenerate.
3148         * testsuite/dyn_weak_ref.sh: New file.
3149         * testsuite/dyn_weak_ref_1.c: Ditto.
3150         * testsuite/dyn_weak_ref_2.c: Ditto.
3151
3152 2010-08-27  Ian Lance Taylor  <iant@google.com>
3153
3154         * incremental.h (class Incremental_input_entry): Add virtual
3155         destructor.
3156
3157 2010-08-27  Ian Lance Taylor  <iant@google.com>
3158
3159         * testsuite/start_lib_test_3.c: Mark t3 as used.
3160
3161 2010-08-27  Nick Clifton  <nickc@redhat.com>
3162
3163         * options.cc (version_script): Fix small typo in previous
3164         whitespace tidyup.
3165
3166 2010-08-25  Nick Clifton  <nickc@redhat.com>
3167
3168         * archive.cc: Formatting fixes: Remove whitespace between
3169         typename and following asterisk.  Remove whitespace between
3170         function name and opening parenthesis.
3171         * archive.h: Likewise.
3172         * arm.cc: Likewise.
3173         * attributes.cc: Likewise.
3174         * attributes.h: Likewise.
3175         * common.cc: Likewise.
3176         * copy-relocs.cc: Likewise.
3177         * dirsearch.h: Likewise.
3178         * dynobj.cc: Likewise.
3179         * ehframe.cc: Likewise.
3180         * ehframe.h: Likewise.
3181         * expression.cc: Likewise.
3182         * fileread.cc: Likewise.
3183         * fileread.h: Likewise.
3184         * gc.h: Likewise.
3185         * gold-threads.cc: Likewise.
3186         * gold.cc: Likewise.
3187         * i386.cc: Likewise.
3188         * icf.h: Likewise.
3189         * incremental-dump.cc: Likewise.
3190         * incremental.cc: Likewise.
3191         * layout.cc: Likewise.
3192         * layout.h: Likewise.
3193         * main.cc: Likewise.
3194         * merge.cc: Likewise.
3195         * merge.h: Likewise.
3196         * object.cc: Likewise.
3197         * object.h: Likewise.
3198         * options.cc: Likewise.
3199         * options.h: Likewise.
3200         * output.cc: Likewise.
3201         * output.h: Likewise.
3202         * plugin.cc: Likewise.
3203         * plugin.h: Likewise.
3204         * powerpc.cc: Likewise.
3205         * reloc.cc: Likewise.
3206         * script-c.h: Likewise.
3207         * script-sections.cc: Likewise.
3208         * script.cc: Likewise.
3209         * stringpool.cc: Likewise.
3210         * symtab.cc: Likewise.
3211         * symtab.h: Likewise.
3212         * target.cc: Likewise.
3213         * timer.cc: Likewise.
3214         * timer.h: Likewise.
3215         * version.cc: Likewise.
3216         * x86_64.cc: Likewise.
3217
3218 2010-08-24  Nick Clifton  <nickc@redhat.com>
3219
3220         PR 11899
3221         * layout.cc (segment_precedes): Sort segments by their physical
3222         addresses, if they have been set.
3223
3224 2010-08-23  Cary Coutant  <ccoutant@google.com>
3225
3226         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3227         symbols data.
3228         (Lib_group::include_member): Unlock object after deleting its
3229         symbols data.
3230         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3231         the bug fixed here.
3232
3233 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3234             Cary Coutant  <ccoutant@google.com>
3235
3236         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3237         constructor, and set_blocker.
3238         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3239         readsyms_blocker_.
3240         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3241         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3242         * testsuite/Makefile.am (start_lib_test): New test case.
3243         * testsuite/Makefile.in: Regenerate.
3244         * testsuite/start_lib_test_main.c: New file.
3245         * testsuite/start_lib_test_1.c: New file.
3246         * testsuite/start_lib_test_2.c: New file.
3247         * testsuite/start_lib_test_3.c: New file.
3248
3249 2010-08-19  Ian Lance Taylor  <iant@google.com>
3250
3251         * Makefile.in: Rebuild with automake 1.11.1.
3252         * aclocal.m4: Likewise.
3253         * testsuite/Makefile.in: Likewise.
3254
3255 2010-08-19  Ian Lance Taylor  <iant@google.com>
3256
3257         PR 10893
3258         * i386.cc (class Output_data_plt_i386): Update declarations.
3259         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3260         local_ifuncs_ fields.
3261         (Target_i386::do_plt_section_for_global): New function.
3262         (Target_i386::do_plt_section_for_local): New function.
3263         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3264         parameter; change all callers.  Initialize global_ifuncs_ and
3265         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3266         __rel_iplt_end.
3267         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3268         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3269         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3270         symbols.
3271         (Target_i386::make_plt_section): New function, broken out of
3272         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3273         (Target_i386::make_plt_entry): Call make_plt_section.
3274         (Target_i386::make_local_ifunc_plt_entry): New function.
3275         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3276         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3277         R_386_IRELATIVE to switch.
3278         (Target_i386::Scan::global): Likewise.
3279         (Target_i386::Relocate::relocate): Likewise.
3280         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3281         switch.
3282         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3283         (Target_x86_64::do_plt_section_for_global): New function.
3284         (Target_x86_64::do_plt_section_for_local): New function.
3285         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3286         parameter; change all callers.  If doing a static link define
3287         __rela_iplt_start and __rela_iplt_end.
3288         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3289         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3290         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3291         to point to .plt.
3292         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3293         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3294         switch.
3295         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3296         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3297         R_X86_64_IRELATIVE to switch.
3298         (Target_x86_64::Scan::global): Likewise.
3299         (Target_x86_64::Relocate::relocate): Likewise.
3300         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3301         switch.
3302         * target.h (class Target): Add plt_section_for_global and
3303         plt_section_for_local functions.  Add do_plt_section_for_global
3304         and do_plt_section_for_local virtual functions.
3305         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3306         clarifying comments.
3307         (Symbol::use_plt_offset): Handle IFUNC symbol.
3308         * object.cc (Sized_relobj::Sized_relobj): Initialize
3309         local_plt_offsets_.
3310         (Sized_relobj::local_has_plt_offset): New function.
3311         (Sized_relobj::local_plt_offset): New function.
3312         (Sized_relobj::set_local_plt_offset): New function.
3313         (Sized_relobj::do_count): Handle IFUNC symbol.
3314         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3315         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3316         is_ifunc_symbol functions.
3317         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3318         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3319         local_plt_offsets_ field.
3320         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3321         * output.h (class Output_section_data): Add non-const
3322         output_section function.
3323         (class Output_data_got): Update declarations.
3324         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3325         Add use_plt_offset parameter to global and local constructors.
3326         Change all callers.  Change local_sym_index_ field to 31 bits.
3327         Change GSYM_CODE and CONSTANT_CODE accordingly.
3328         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3329         doing a static link don't set sh_link field.
3330         (Output_data_got::Got_entry::write): Use PLT offset if
3331         appropriate.
3332         (Output_data_got::add_global_plt): New function.
3333         (Output_data_got::add_local_plt): New function.
3334         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3335         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3336         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3337         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3338         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3339         IFUNC conditional.
3340         * testsuite/ifunc-sel.h: New file.
3341         * testsuite/ifuncmain1.c: New file.
3342         * testsuite/ifuncmain1vis.c: New file.
3343         * testsuite/ifuncmod1.c: New file.
3344         * testsuite/ifuncdep2.c: New file.
3345         * testsuite/ifuncmain2.c: New file.
3346         * testsuite/ifuncmain3.c: New file.
3347         * testsuite/ifuncmod3.c: New file.
3348         * testsuite/ifuncmain4.c: New file.
3349         * testsuite/ifuncmain5.c: New file.
3350         * testsuite/ifuncmod5.c: New file.
3351         * testsuite/ifuncmain6pie.c: New file.
3352         * testsuite/ifuncmod6.c: New file.
3353         * testsuite/ifuncmain7.c: New file.
3354         * configure, testsuite/Makefile.in: Rebuild.
3355
3356 2010-08-18  Ian Lance Taylor  <iant@google.com>
3357
3358         * incremental.cc
3359         (Output_section_incremental_inputs::write_input_files): Add cast
3360         to avoid signed/unsigned comparison warning.
3361         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3362
3363 2010-08-12  Cary Coutant  <ccoutant@google.com>
3364
3365         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3366
3367 2010-08-13  Ian Lance Taylor  <iant@google.com>
3368
3369         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3370
3371 2010-08-12  Cary Coutant  <ccoutant@google.com>
3372             Doug Kwan  <dougkwan@google.com>
3373
3374         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3375         defintion overrides non-weak undef, remember that the original undef
3376         is not weak.
3377         * symtab.cc (Symbol_table::sized_write_global): For undef without
3378         an original weak binding, set binding to global in output.
3379         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3380         * testsuite/Makefile.in: Regenerate.
3381         * testsuite/strong_ref_weak_def.sh: New file.
3382         * testsuite/strong_ref_weak_def_1.c: Ditto.
3383         * testsuite/strong_ref_weak_def_2.c: Ditto.
3384
3385 2010-08-12  Cary Coutant  <ccoutant@google.com>
3386
3387         * testsuite/incremental_test.sh: Rewrite.
3388         * testsuite/incremental_test_1.c: Rewrite.
3389         * testsuite/incremental_test_2.c: Rewrite.
3390
3391 2010-08-12  Cary Coutant  <ccoutant@google.com>
3392
3393         * arm.cc (Target_arm::got_size): Add const.
3394         (Target_arm::got_entry_count): New function.
3395         (Target_arm::plt_entry_count): New function.
3396         (Target_arm::first_plt_entry_offset): New function.
3397         (Target_arm::plt_entry_size): New function.
3398         (Output_data_plt_arm::entry_count): New function.
3399         (Output_data_plt_arm::first_plt_entry_offset): New function.
3400         (Output_data_plt_arm::get_plt_entry_size): New function.
3401         * i386.cc (Target_i386::got_size): Add const.
3402         (Target_i386::got_entry_count): New function.
3403         (Target_i386::plt_entry_count): New function.
3404         (Target_i386::first_plt_entry_offset): New function.
3405         (Target_i386::plt_entry_size): New function.
3406         (Output_data_plt_i386::entry_count): New function.
3407         (Output_data_plt_i386::first_plt_entry_offset): New function.
3408         (Output_data_plt_i386::get_plt_entry_size): New function.
3409         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3410         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3411         * incremental.cc: Include target.h.
3412         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3413         parameter.  Adjust all callers.  Find incremental_got_plt section.
3414         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3415         section.
3416         (Output_section_incremental_inputs::set_final_data_size): Calculate
3417         size of incremental_got_plt section.
3418         (Output_section_incremental_inputs::do_write): Write the
3419         incremental_got_plt section.
3420         (Got_plt_view_info): New struct.
3421         (Local_got_offset_visitor): New class.
3422         (Global_got_offset_visitor): New class.
3423         (Global_symbol_visitor_got_plt): New class.
3424         (Output_section_incremental_inputs::write_got_plt): New function.
3425         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3426         Add parameter.  Adjust all callers.
3427         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3428         (Incremental_inputs::got_plt_section): New function.
3429         (Incremental_inputs::got_plt_section_): New data member.
3430         (Incremental_got_plt_reader): New class.
3431         * layout.cc (Layout::create_incremental_info_sections): Add the
3432         incremental_got_plt section.
3433         * object.h (Got_offset_list::get_list): New function.
3434         (Got offset_list::for_all_got_offsets): New function.
3435         (Sized_relobj::local_got_offset_list): New function.
3436         * powerpc.cc (Target_powerpc::got_size): Add const.
3437         (Target_powerpc::got_entry_count): New function.
3438         (Target_powerpc::plt_entry_count): New function.
3439         (Target_powerpc::first_plt_entry_offset): New function.
3440         (Target_powerpc::plt_entry_size): New function.
3441         (Output_data_plt_powerpc::entry_count): New function.
3442         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3443         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3444         * sparc.cc (Target_sparc::got_size): Add const.
3445         (Target_sparc::got_entry_count): New function.
3446         (Target_sparc::plt_entry_count): New function.
3447         (Target_sparc::first_plt_entry_offset): New function.
3448         (Target_sparc::plt_entry_size): New function.
3449         (Output_data_plt_sparc::entry_count): New function.
3450         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3451         (Output_data_plt_sparc::get_plt_entry_size): New function.
3452         * symtab.h (Symbol::got_offset_list): New function.
3453         (Symbol_table::for_all_symbols): New function.
3454         * target.h (Sized_target::got_entry_count): New function.
3455         (Sized_target::plt_entry_count): New function.
3456         (Sized_target::plt_entry_size): New function.
3457         * x86_64.cc (Target_x86_64::got_size): Add const.
3458         (Target_x86_64::got_entry_count): New function.
3459         (Target_x86_64::plt_entry_count): New function.
3460         (Target_x86_64::first_plt_entry_offset): New function.
3461         (Target_x86_64::plt_entry_size): New function.
3462         (Output_data_plt_x86_64::entry_count): New function.
3463         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3464         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3465
3466 2010-08-12  Cary Coutant  <ccoutant@google.com>
3467
3468         * archive.cc: Include incremental.h.
3469         (Archive::Archive): Initialize incremental_info_.
3470         (Archive::include_member): Record archive members in incremental info.
3471         (Add_archive_symbols::run): Record begin and end of an archive in
3472         incremental info.
3473         (Lib_group::include_member): Record objects in incremental info.
3474         * archive.h (Incremental_archive_entry): Forward declaration.
3475         (Archive::set_incremental_info): New member function.
3476         (Archive::incremental_info): New member function.
3477         (Archive::Unused_symbol_iterator): New class.
3478         (Archive::unused_symbols_begin): New member function.
3479         (Archive::unused_symbols_end): New member function.
3480         (Archive::incremental_info_): New data member.
3481         * incremental-dump.cc (find_input_containing_global): New function.
3482         (dump_incremental_inputs): Dump new incremental info sections.
3483         * incremental.cc: Include symtab.h.
3484         (Output_section_incremental_inputs): New class.
3485         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3486         new incremental info sections.
3487         (Sized_incremental_binary::do_check_inputs): Likewise.
3488         (Incremental_inputs::report_archive): Remove.
3489         (Incremental_inputs::report_archive_begin): New function.
3490         (Incremental_inputs::report_archive_end): New function.
3491         (Incremental_inputs::report_object): New function.
3492         (Incremental_inputs::finalize_inputs): Remove.
3493         (Incremental_inputs::report_input_section): New function.
3494         (Incremental_inputs::report_script): Rewrite.
3495         (Incremental_inputs::finalize): Do nothing but finalize string table.
3496         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3497         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3498         (Incremental_inputs::create_data_sections): New function.
3499         (Incremental_inputs::relocs_entsize): New function.
3500         (Output_section_incremental_inputs::set_final_data_size): New function.
3501         (Output_section_incremental_inputs::do_write): New function.
3502         (Output_section_incremental_inputs::write_header): New function.
3503         (Output_section_incremental_inputs::write_input_files): New function.
3504         (Output_section_incremental_inputs::write_info_blocks): New function.
3505         (Output_section_incremental_inputs::write_symtab): New function.
3506         * incremental.h (Incremental_script_entry): Forward declaration.
3507         (Incremental_object_entry): Forward declaration.
3508         (Incremental_archive_entry): Forward declaration.
3509         (Incremental_inputs): Forward declaration.
3510         (Incremental_inputs_header_data): Remove.
3511         (Incremental_inputs_header): Remove.
3512         (Incremental_inputs_header_write): Remove.
3513         (Incremental_inputs_entry_data): Remove.
3514         (Incremental_inputs_entry): Remove.
3515         (Incremental_inputs_entry_write): Remove.
3516         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3517         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3518         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3519         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3520         Likewise.
3521         (Incremental_input_entry): New class.
3522         (Incremental_script_entry): New class.
3523         (Incremental_object_entry): New class.
3524         (Incremental_archive_entry): New class.
3525         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3526         (Incremental_inputs::report_inputs): Remove.
3527         (Incremental_inputs::report_archive): Remove.
3528         (Incremental_inputs::report_archive_begin): New function.
3529         (Incremental_inputs::report_archive_end): New function.
3530         (Incremental_inputs::report_object): Change prototype.
3531         (Incremental_inputs::report_input_section): New function.
3532         (Incremental_inputs::report_script): Change prototype.
3533         (Incremental_inputs::get_reloc_count): New function.
3534         (Incremental_inputs::set_reloc_count): New function.
3535         (Incremental_inputs::create_data_sections): New function.
3536         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3537         (Incremental_inputs::inputs_section): New function.
3538         (Incremental_inputs::symtab_section): New function.
3539         (Incremental_inputs::relocs_section): New function.
3540         (Incremental_inputs::get_stringpool): Add const.
3541         (Incremental_inputs::command_line): Add const.
3542         (Incremental_inputs::inputs): Remove.
3543         (Incremental_inputs::command_line_key): New function.
3544         (Incremental_inputs::input_file_count): New function.
3545         (Incremental_inputs::input_files): New function.
3546         (Incremental_inputs::relocs_entsize): New function.
3547         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3548         (Incremental_inputs::finalize_inputs): Remove.
3549         (Incremental_inputs::Input_info): Remove.
3550         (Incremental_inputs::lock_): Remove.
3551         (Incremental_inputs::inputs_): Change type.
3552         (Incremental_inputs::inputs_map_): Remove.
3553         (Incremental_inputs::current_object_entry_): New data member.
3554         (Incremental_inputs::inputs_section_): New data member.
3555         (Incremental_inputs::symtab_section_): New data member.
3556         (Incremental_inputs::relocs_section_): New data member.
3557         (Incremental_inputs::reloc_count_): New data member.
3558         (Incremental_inputs_reader): New class.
3559         (Incremental_symtab_reader): New class.
3560         (Incremental_relocs_reader): New class.
3561         * layout.cc (Layout::finalize): Move finalization of incremental info
3562         and creation of incremental info sections to follow finalization of
3563         symbol table.  Set offsets for postprocessing sections.
3564         (Layout::create_incremental_info_sections): Call
3565         Incremental_inputs::create_data_sections.  Add incremental symtab
3566         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3567         sections to layout after input sections.
3568         * layout.h (struct Timespec): Forward declaration.
3569         (Layout::incremental_inputs): Add const.
3570         (Layout::create_incremental_info_sections): Add parameter.
3571         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3572         * object.cc: Include incremental.h.
3573         (Relobj::finalize_incremental_relocs): New function.
3574         (Sized_relobj::do_layout): Record input sections in incremental info.
3575         * object.h (Object::output_section): New function.
3576         (Object::output_section_offset): Moved from Relobj.
3577         (Object::get_incremental_reloc_base): New function.
3578         (Object::get_incremental_reloc_count): New function.
3579         (Object::do_output_section): New function.
3580         (Object::do_output_section_offset): Moved from Relobj.
3581         (Object::do_get_incremental_reloc_base): New function.
3582         (Object::do_get_incremental_reloc_count): New function.
3583         (Object::Object): Initialize new data members.
3584         (Relobj::output_section): Renamed do_output_section and moved to
3585         protected.
3586         (Relobj::output_section_offset): Moved to Object.
3587         (Relobj::do_get_incremental_reloc_base): New function.
3588         (Relobj::do_get_incremental_reloc_count): New function.
3589         (Relobj::allocate_incremental_reloc_counts): New function.
3590         (Relobj::count_incremental_reloc): New function.
3591         (Relobj::finalize_incremental_relocs): New function.
3592         (Relobj::next_incremental_reloc_index): New function.
3593         (Relobj::reloc_counts_): New data member.
3594         (Relobj::reloc_bases_): New data member.
3595         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3596         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3597         (Sized_relobj::incremental_relocs_scan): New function.
3598         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3599         (Sized_relobj::incremental_relocs_write): New function.
3600         (Sized_relobj::incremental_relocs_write_reltype): New function.
3601         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3602         incremental link.
3603         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3604         archives and object files elsewhere.
3605         (Add_symbols::run): Report object files here.
3606         (Finish_group::run): Report end of archive at end of group.
3607         * reloc.cc: Include layout.h, incremental.h.
3608         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3609         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3610         (Sized_relobj::incremental_relocs_scan): New function.
3611         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3612         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3613         (Sized_relobj::incremental_relocs_write): New function.
3614         (Sized_relobj::incremental_relocs_write_reltype): New function.
3615         * script.cc (read_input_script): Rewrite test for incremental link.
3616         Change call to Incremental_inputs::report_script.
3617         * symtab.h (Symbol_table::first_global_index): New function.
3618         (Symbol_table::output_count): New function.
3619
3620 2010-08-12  Doug Kwan  <dougkwan@google.com>
3621
3622         * arm.cc (Target_arm::merge_object_attributes): Check command line
3623         options --no-wchar-size-warning and --no-enum-size-warning.
3624         * options.h (General_options): Add ld-compatible options
3625         --no-enum-size-warning and --no-wchar-size-warning.
3626
3627 2010-08-04  Ian Lance Taylor  <iant@google.com>
3628
3629         * x86_64.cc (Target_x86_64::Scan::local): Use
3630         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3631         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3632         (Target_x86_64::Scan::global): Likewise.
3633         (Target_x86_64::Relocate::relocate): Likewise.
3634         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3635         Likewise.
3636
3637 2010-08-03  Cary Coutant  <ccoutant@google.com>
3638
3639         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3640         to reserve space in merged_strings vector. Keep total input size
3641         for stats.
3642         (Output_merge_string::do_print_merge_stats): Print total input size.
3643         * merge.h (Output_merge_string): Add input_size_ field.
3644         * stringpool.cc (Stringpool_template::string_length): Move
3645         implementations out of Stringpool_template class and place in
3646         stringpool.h.
3647         * stringpool.h (string_length): Move out of Stringpool_template.
3648
3649 2010-08-03  Ian Lance Taylor  <iant@google.com>
3650
3651         PR 11712
3652         * layout.cc (relaxation_loop_body): If address of load segment is
3653         set, adjust address to include headers if possible.
3654
3655 2010-08-03  Ian Lance Taylor  <iant@google.com>
3656
3657         * version.cc (version_string): Bump to 1.10.
3658
3659 2010-08-03  Ian Lance Taylor  <iant@google.com>
3660
3661         PR 11805
3662         * layout.h (enum Output_section_order): Define.
3663         (class Layout): Update declarations.
3664         * layout.cc (Layout::get_output_section): Add order parameter.
3665         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3666         is_first_non_relro parameters.  Change all callers.
3667         (Layout::choose_output_section): Likewise.
3668         (Layout::add_output_section_data): Likewise.
3669         (Layout::make_output_section): Likewise.  Set order.
3670         (Layout::default_section_order): New function.
3671         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3672         * output.cc (Output_section::Output_section): Initialize order_.
3673         Don't initialize deleted fields.
3674         (Output_segment::Output_segment): Don't initialize deleted
3675         fields.
3676         (Output_segment::add_output_section_to_load): New function
3677         replacing add_output_section.  Change all callers to call this or
3678         add_output_section_to_nonload.
3679         (Output_segment::add_output_section_to_nonload): New function.
3680         (Output_segment::remove_output_section): Rewrite.
3681         (Output_segment::add_initial_output_data): Likewise.
3682         (Output_segment::has_any_data_sections): Likewise.
3683         (Output_segment::is_first_section_relro): Likewise.
3684         (Output_segment::maximum_alignment): Likewise.
3685         (Output_segment::has_dynamic_reloc): New function replacing
3686         dynamic_reloc_count.  Change all callers.
3687         (Output_segment::has_dynamic_reloc_list): New function replacing
3688         dynamic_reloc_count_list.  Change all callers.
3689         (Output_segment::set_section_addresses): Rewrite.
3690         (Output_segment::set_offset): Rewrite.
3691         (Output_segment::find_first_and_last_list): Remove.
3692         (Output_segment::set_tls_offsets): Rewrite.
3693         (Output_segment::first_section_load_address): Likewise.
3694         (Output_segment::output_section_count): Likewise.
3695         (Output_segment::section_with_lowest_load_address): Likewise.
3696         (Output_segment::write_section_headers): Likewise.
3697         (Output_segment::print_sections_to_map): Likewise.
3698         * output.h (class Output_data): Remove dynamic_reloc_count_
3699         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3700         (Output_data::add_dynamic_reloc): Rewrite.
3701         (Output_data::has_dynamic_reloc): New function.
3702         (Output_data::dynamic_reloc_count): Remove.
3703         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3704         is_last_relro_, is_first_non_relro_, is_interp_,
3705         is_dynamic_linker_section_ fields.  Add order and set_order
3706         functions.  Remove is_relro_local, set_is_relro_local,
3707         is_last_relro, set_is_last_relro, is_first_non_relro,
3708         set_is_first_non_relro functions, is_interp, set_is_interp,
3709         is_dynamic_linker_section, and set_is_dynamic_linker_section
3710         functions.
3711         (class Output_segment): Change Output_data_list from std::list to
3712         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3713         output_bss_ fields.  Update declarations.
3714
3715 2010-08-02  Ian Lance Taylor  <iant@google.com>
3716
3717         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3718         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3719         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3720
3721 2010-08-02  Ian Lance Taylor  <iant@google.com>
3722
3723         PR 11855
3724         * script.cc (Script_options::Script_options): Initialize
3725         symbol_definitions_ and symbol_references_.
3726         (Script_options::add_symbol_assignment): Update
3727         symbol_definitions_ and symbol_references_.
3728         (Script_options::add_symbol_reference): New function.
3729         (script_symbol): New function.
3730         * script.h (class Script_options): Add symbol_definitions_ and
3731         symbol_references_ fields.
3732         (Script_options::referenced_const_iterator): New type.
3733         (Script_options::referenced_begin): New function.
3734         (Script_options::referenced_end): New function.
3735         (Script_options::is_referenced): New function.
3736         (Script_options::any_unreferenced): New function.
3737         * script-c.h (script_symbol): Declare.
3738         * yyscript.y (exp): Call script_symbol.
3739         * symtab.cc: Include "script.h".
3740         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3741         Change all callers.  Check symbols referenced by scripts.
3742         (Symbol_table::add_undefined_symbols_from_command_line): Add
3743         layout parameter.  Change all callers.
3744         (Symbol_table::do_add_undefined_symbols_from_command_line):
3745         Likewise.  Break out loop body.  Check symbols referenced by
3746         scripts.
3747         (Symbol_table::add_undefined_symbol_from_command_line): New
3748         function broken out of
3749         do_add_undefined_symbols_from_command_line.
3750         * symtab.h (class Symbol_table): Update declarations.
3751         * archive.cc: Include "layout.h".
3752         (Archive::should_include_member): Add layout parameter.  Change
3753         all callers.  Check for symbol mentioned in expression.
3754         * archive.h (class Archive): Update declaration.
3755         * object.cc (Sized_relobj::do_should_include_member): Add layout
3756         parameter.
3757         * object.h (Object::should_include_member): Add layout parameter.
3758         Change all callers.
3759         (Object::do_should_include_member): Add layout parameter.
3760         (class Sized_relobj): Update declaration.
3761         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3762         parameter.
3763         * dynobj.h (class Sized_dynobj): Update declaration.
3764         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3765         layout parameter.
3766         * plugin.h (class Sized_pluginobj): Update declaration.
3767
3768 2010-08-02  Ian Lance Taylor  <iant@google.com>
3769
3770         PR 11866
3771         * output.cc (Output_segment::set_offset): Search for the first and
3772         last sections rather than assuming that the list is in order.
3773         (Output_segment::find_first_and_last_list): New function.
3774         * output.h (class Output_segment): Update declarations.
3775         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3776         (relro_strip_test_SOURCES): New variable.
3777         (relro_strip_test_DEPENDENCIES): New variable.
3778         (relro_strip_test_LDFLAGS): New variable.
3779         (relro_strip_test_LDADD): New variable.
3780         (relro_strip_test.so): New target.
3781
3782 2010-08-02  Ian Lance Taylor  <iant@google.com>
3783
3784         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3785         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3786         (Target_i386::got_tlsdesc_section): New function.
3787         (Target_i386::got_section): Create space for GOT entries for
3788         TLSDESC relocations.
3789         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3790         R_386_TLS_GOTDESC.
3791         (Target_i386::Scan::global): Likewise.
3792         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3793         using TLSDESC GOT.
3794         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3795         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3796         (Target_x86_64::got_tlsdesc_section): New function.
3797         (Target_x86_64::got_section): Create space for GOT entries for
3798         TLSDESC relocations.
3799         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3800         R_386_TLS_GOTDESC.
3801         (Target_x86_64::Scan::global): Likewise.
3802         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3803         using TLSDESC GOT.
3804
3805 2010-08-02  Ian Lance Taylor  <iant@google.com>
3806
3807         * testsuite/final_layout.sh: Use dc to convert from hex to
3808         decimal.
3809
3810 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3811
3812         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3813         paramter to the call to gold::gc_process_relocs.
3814         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3815         paramter to the call to gold::gc_process_relocs.
3816         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3817         parameter to the call to gold::gc_process_relocs.
3818         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3819         template parameter to the call to gold::gc_process_relocs.
3820         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3821         paramter to the call to gold::gc_process_relocs.
3822         * gc.h (get_embedded_addend_size): New function.
3823         (gc_process_relocs): Save the size of the reloc for use by ICF.
3824         * icf.cc (get_section_contents): Get the addend from the text section
3825         for SHT_REL relocation sections.
3826         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3827         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3828         * int_encoding.h (read_from_pointer): New overloaded function.
3829         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3830         * testsuite/icf_sht_rel_addend_test.sh: New file.
3831         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3832         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3833
3834 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3835
3836         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3837         * Makefile.in: Regenerate.
3838         * testsuite/Makefile.in: Regenerate.
3839
3840 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3841
3842         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3843         * gold/testsuite/debug_msg.cc: Likewise.
3844         * gold/testsuite/odr_violation1.cc
3845         * gold/testsuite/odr_violation2.cc
3846
3847 2010-07-21  Cary Coutant  <ccoutant@google.com>
3848
3849         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3850         string, and length fields.
3851         (Output_merge_string::Merged_strings_list): New type.
3852         (Output_merge_string::Merged_strings_lists): New typedef.
3853         (Output_merge_string): Replace merged_strings_ with
3854         merged_strings_lists_.
3855         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3856         Merged_strings_list per input object and section.  Don't store pointer
3857         to the string.  Don't store length with each merged string entry.
3858         (Output_merge_string::finalize_merged_data): Loop over list of merged
3859         strings lists.  Recompute length of each merged string.
3860
3861 2010-07-15  Cary Coutant  <ccoutant@google.com>
3862
3863         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3864         here.
3865
3866 2010-07-14  Ian Lance Taylor  <iant@google.com>
3867
3868         * descriptors.cc (Descriptors::open): Report correct name in error
3869         message.
3870
3871 2010-07-13  Doug Kwan  <dougkwan@google.com>
3872
3873         * arm.cc (Arm_input_section::Arm_input_section): For a
3874         SHT_ARM_EXIDX section, always keeps the input sections.
3875         (Arm_input_section::set_exidx_section_link): New method.
3876         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3877         has_errors_ to false.
3878         (Arm_exidx_input_section::has_errors,
3879         Arm_exidx_input_section::set_has_errors): New methods.
3880         (Arm_exidx_input_section::has_errors_): New data member.
3881         (Arm_relobj::get_exidx_shndx_list): New method.
3882         (Arm_output_section::append_text_sections_to_list): Do not skip
3883         section without SHF_EXECINSTR.
3884         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3885         errors.
3886         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3887         section header.  Make error messages more verbose.  Check for
3888         a non-executable section linked to an EXIDX section.
3889         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3890         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3891         check that there is no deferred EXIDX section if we exit early.
3892         Instead of not making an EXIDX section in case of an error, make one
3893         and set the has_errors flag of it.
3894         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3895         in a relocatable link.
3896         (Target_arm::do_relax): Look for the EXIDX output section instead of
3897         assuming that it is called .ARM.exidx.
3898         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3899         section list.  Do not check for SHF_EXECINSTR section flags but
3900         skip any input section with errors.
3901         * output.cc (Output_section::Output_section): Initialize
3902         always_keeps_input_sections_ to false.
3903         (Output_section::add_input_section): Check for
3904         always_keeps_input_sections_.
3905         *  output.h (Output_section::always_keeps_input_sections,
3906         Output_section::set_always_keeps_input_sections): New methods.
3907         (Output_section::always_keeps_input_sections): New data member.
3908
3909 2010-07-13  Rafael Espindola  <espindola@google.com>
3910
3911         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3912         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3913
3914 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3915             Ian Lance Taylor  <iant@google.com>
3916
3917         * output.h (Output_section_lookup_maps::add_merge_section):
3918         Correct check of whether value was inserted.
3919         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3920         (Output_section_lookup_maps::add_relaxed_input_section):
3921         Likewise.
3922         * arm.cc (Target_arm::got_section): Remove used local os.
3923         * i386.cc (Target_i386::got_section): Likewise.
3924         * x86_64.cc (Target_x86_64::got_section): Likewise.
3925         * sparc.cc (Target_sparc::got_section): Likewise.
3926         (Target_sparc::relocate): Remove unused local have_got_offset.
3927         * powerpc.cc (Target_powerpc::relocate): Likewise.
3928
3929 2010-07-13  Ian Lance Taylor  <iant@google.com>
3930
3931         * compressed_output.cc (zlib_decompress): Fix signature in
3932         !HAVE_ZLIB_H case.
3933
3934         * archive.cc (Archive::include_member): Unlock an external member
3935         of a thin archive.  Don't bother to delete an object we know is
3936         NULL.
3937
3938 2010-07-12  Cary Coutant  <ccoutant@google.com>
3939
3940         * compressed_output.cc (zlib_decompress): New function.
3941         (get_uncompressed_size): New function.
3942         (decompress_input_section): New function.
3943         * compressed_output.h (get_uncompressed_size): New function.
3944         (decompress_input_section): New function.
3945         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3946         Handle compressed debug sections.
3947         * layout.cc (is_compressed_debug_section): New function.
3948         (Layout::output_section_name): Map compressed section names to
3949         canonical names.
3950         * layout.h (is_compressed_debug_section): New function.
3951         (is_debug_info_section): Recognize compressed debug sections.
3952         * merge.cc: Include compressed_output.h.
3953         (Output_merge_data::do_add_input_section): Handle compressed
3954         debug sections.
3955         (Output_merge_string::do_add_input_section): Handle compressed
3956         debug sections.
3957         * object.cc: Include compressed_output.h.
3958         (Sized_relobj::Sized_relobj): Initialize new data members.
3959         (build_compressed_section_map): New function.
3960         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3961         * object.h (Object::section_is_compressed): New method.
3962         (Object::do_section_is_compressed): New method.
3963         (Sized_relobj::Compressed_section_map): New type.
3964         (Sized_relobj::do_section_is_compressed): New method.
3965         (Sized_relobj::compressed_sections_): New data member.
3966         * output.cc (Output_section::add_input_section): Handle compressed
3967         debug sections.
3968         * reloc.cc: Include compressed_output.h.
3969         (Sized_relobj::write_sections): Handle compressed debug sections.
3970
3971 2010-07-08  Cary Coutant  <ccoutant@google.com>
3972
3973         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3974         weak when resolving to a dynamic def.
3975         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3976         for weak undef/dynamic def cases. Adjust callers.
3977         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3978         undef_binding_weak_.
3979         (Symbol_table::sized_write_globals): Adjust symbol binding.
3980         (Symbol_table::sized_write_symbol): Add binding parameter.
3981         * symtab.h (Symbol::set_undef_binding): New method.
3982         (Symbol::is_undef_binding_weak): New method.
3983         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3984         (Symbol_table::should_override): Add new parameter.
3985         (Symbol_table::sized_write_symbol): Add new parameter.
3986
3987         * testsuite/weak_undef_file1.cc: Add new test case.
3988         * testsuite/weak_undef_file2.cc: Fix header comment.
3989         * testsuite/weak_undef_test.cc: Add new test case.
3990
3991 2010-06-29  Doug Kwan  <dougkwan@google.com>
3992
3993         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3994         Initialize USE_SYMBOL_.
3995         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3996         definition.
3997         (Arm_reloc_property::uses_symbol_): New data member declaration.
3998         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3999         uses symbol value and symbol is undefined but not weakly undefined.
4000
4001 2010-06-28  Rafael Espindola  <espindola@google.com>
4002
4003         * plugin.cc (Plugin::load): Use dlerror.
4004
4005 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4006
4007         * symtab.cc (detect_odr_violations): When reporting an ODR
4008         violation, report an object where the symbol is defined.
4009
4010 2010-06-25  Doug Kwan  <dougkwan@google.com>
4011
4012         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4013         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4014         definition.
4015         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4016         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4017         target hook to detect function points.
4018         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4019         * icf.h (Icf::check_section_for_function_pointers): Change type of
4020         parameter SECTION_NAME to const reference to std::string.  Use
4021         target hook to determine if section may have unsafe pointers.
4022         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4023         method definition.
4024
4025 2010-06-21  Rafael Espindola  <espindola@google.com>
4026
4027         * fileread.cc (Input_file::find_fie): New
4028         (Input_file::open): Use Input_file::find_fie.
4029         * fileread.h (Input_file::find_fie): New
4030         * plugin.cc (set_extra_library_path): New.
4031         (Plugin::load): Add set_extra_library_path to the transfer vector.
4032         (Plugin_manager::set_extra_library_path): New.
4033         (Plugin_manager::add_input_file): Use the extra search path if set.
4034         (set_extra_library_path(): New.
4035         * plugin.h (Plugin_manager): Add set_extra_library_path and
4036         extra_search_path_.
4037
4038 2010-06-19  Cary Coutant  <ccoutant@google.com>
4039
4040         * layout.cc (gdb_sections): Add .debug_types.
4041         (lines_only_debug_sections): Likewise.
4042
4043 2010-06-18  Rafael Espindola  <espindola@google.com>
4044
4045         * plugin.cc (add_input_file,add_input_library)
4046         (Plugin_manager::add_input_file): Make filename arguments const.
4047         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4048         const.
4049
4050 2010-06-16  Doug Kwan  <dougkwan@google.com>
4051
4052         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4053         .ARM.attributes section if we have not merged any input
4054         attributes sections.
4055
4056 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4057
4058         * arm.cc: Allow combining objects with no EABI version
4059         information.
4060
4061 2010-06-15  Rafael Espindola  <espindola@google.com>
4062
4063         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4064
4065 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4066
4067         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4068         (struct iovec): Correct !HAVE_READV definition.
4069
4070 2010-06-10  Cary Coutant  <ccoutant@google.com>
4071
4072         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4073         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4074         reloc sections.
4075         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4076
4077         PR 11683
4078         * symtab.h (Symbol::is_placeholder): New member function.
4079         * target-reloc.h (relocate_section): Check for placeholder symbols.
4080
4081         * testsuite/Makefile.am (plugin_test_8): New test.
4082         (plugin_test_9): New test.
4083         * testsuite/Makefile.in: Regenerate.
4084
4085 2010-06-09  Nick Clifton  <nickc@redhat.com>
4086
4087         * yyscript.y (input_list_element): Allow strings prefixed with
4088         the '-' character.  Treat these as libraries.
4089         * script.cc (script_add_library): New function.  Adds a library
4090         specified by "-l<name>" found in an input script.
4091         * script-c.h: Add prototype for script_add_library.
4092
4093 2010-06-07  Doug Kwan  <dougkwan@google.com>
4094
4095         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4096         Restrict stub-group size to be within long conditional branch
4097         range when working around cortex-A8 erratum.
4098
4099 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4100
4101         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4102         #ifdef typo.
4103
4104 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4105
4106         PR gold/11658
4107         * output.cc
4108         (Output_section::Input_section_sort_entry::compare_section_ordering):
4109         Change to return non-zero correctly.
4110         (Output_section::Input_section_sort_section_order_index_compare
4111         ::operator()): Change to fix ambiguity in comparisons.
4112
4113 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4114
4115         * gold.h (is_wildcard_string): New function.
4116         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4117         (Layout::layout_eh_frame): Ditto.
4118         (Layout::find_section_order_index): New method.
4119         (Layout::read_layout_from_file): New method.
4120         * layout.h (Layout::find_section_order_index): New method.
4121         (Layout::read_layout_from_file): New method.
4122         (Layout::input_section_position_): New private member.
4123         (Layout::input_section_glob_): New private member.
4124         * main.cc (main): Call read_layout_from_file here.
4125         * options.h (--section-ordering-file): New option.
4126         * output.cc (Output_section::input_section_order_specified_): New
4127         member.
4128         (Output_section::Output_section): Initialize new member.
4129         (Output_section::add_input_section): Add new parameter.
4130         Keep input sections when --section-ordering-file is used.
4131         (Output_section::set_final_data_size): Sort input sections when
4132         section ordering file is specified.
4133         (Output_section::Input_section_sort_entry): Add new parameter.
4134         Check sorting type.
4135         (Output_section::Input_section_sort_entry::compare_section_ordering):
4136         New method.
4137         (Output_section::Input_section_sort_compare::operator()): Change to
4138         consider section_order_index.
4139         (Output_section::Input_section_sort_init_fini_compare::operator()):
4140         Change to consider section_order_index.
4141         (Output_section::Input_section_sort_section_order_index_compare
4142         ::operator()): New method.
4143         (Output_section::sort_attached_input_sections): Change to sort
4144         according to section order when specified.
4145         (Output_section::add_input_section<32, true>): Add new parameter.
4146         (Output_section::add_input_section<64, true>): Add new parameter.
4147         (Output_section::add_input_section<32, false>): Add new parameter.
4148         (Output_section::add_input_section<64, false>): Add new parameter.
4149         * output.h (Output_section::add_input_section): Add new parameter.
4150         (Output_section::input_section_order_specified): New
4151         method.
4152         (Output_section::set_input_section_order_specified): New method.
4153         (Input_section::Input_section): Initialize section_order_index_.
4154         (Input_section::section_order_index): New method.
4155         (Input_section::set_section_order_index): New method.
4156         (Input_section::section_order_index_): New member.
4157         (Input_section::Input_section_sort_section_order_index_compare): New
4158         struct.
4159         (Output_section::input_section_order_specified_): New member.
4160         * script-sections.cc (is_wildcard_string): Delete and move modified
4161         method to gold.h.
4162         (Output_section_element_input::Output_section_element_input): Modify
4163         call to is_wildcard_string.
4164         (Output_section_element_input::Input_section_pattern
4165         ::Input_section_pattern): Ditto.
4166         (Output_section_element_input::Output_section_element_input): Ditto.
4167         * testsuite/Makefile.am (final_layout): New test case.
4168         * testsuite/Makefile.in: Regenerate.
4169         * testsuite/final_layout.cc: New file.
4170         * testsuite/final_layout.sh: New file.
4171
4172 2010-06-01  Rafael Espindola  <espindola@google.com>
4173
4174         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4175
4176 2010-06-01  Rafael Espindola  <espindola@google.com>
4177
4178         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4179         visibility of symbols.
4180
4181 2010-05-27  Doug Kwan  <dougkwan@google.com>
4182
4183         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4184         from start of output section instead of address for a local symbol
4185         in a merged or relaxed section when doing a relocatable link.
4186
4187 2010-05-26  Rafael Espindola  <espindola@google.com>
4188
4189        PR 11604
4190         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4191         adding sections the garbage collector removed.
4192         * gold/testsuite/Makefile.am: Add test.
4193         * gold/testsuite/Makefile.in: Regenerate.
4194         * gold/testsuite/plugin_test_7.sh: New.
4195         * gold/testsuite/plugin_test_7_1.c: New.
4196         * gold/testsuite/plugin_test_7_2.c: New.
4197
4198 2010-05-26  Rafael Espindola  <espindola@google.com>
4199
4200         * script-sections.cc (Output_section_definition::set_section_addresses):
4201         Check for --section-start.
4202
4203 2010-05-26  Doug Kwan  <dougkwan@google.com>
4204
4205         * arm.cc (Arm_scan_relocatable_relocs): New class.
4206         (Target_arm::relocate_special_relocatable): New method.
4207         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4208         (Arm_relocate_functions::thumb_branch_common): Same.
4209         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4210         instead of Default_scan_relocatable_relocs.
4211         * target-reloc.h (relocate_for_relocatable): Let target handle
4212         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4213         * target.h (Sized_target::relocate_special_relocatable): New method.
4214
4215 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4216
4217         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4218
4219 2010-05-23  Doug Kwan  <dougkwan@google.com>
4220
4221         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4222         instead of a cast.
4223         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4224         with a direct branch, not a conditional branch, to a stub.
4225         * merge.cc (Output_merge_base::record_input_section): New method
4226         defintion.
4227         (Output_merge_data::do_add_input_section): Record input section if
4228         keeps-input-sections flag is set.
4229         (Output_merge_string::do_add_input_section): Ditto.
4230         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4231         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4232         INPUT_SECTIONS_.
4233         (Output_merge_base::keeps_input_sections,
4234         Output_merge_base::set_keeps_input_sections,
4235         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4236         method definitions.
4237         (Output_merge_base::Input_sections): New type declaration.
4238         (Output_merge_base::input_sections_begin,
4239         Output_merge_base::input_sections_end,
4240         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4241         (Output_merge_base::bool keeps_input_sections_,
4242         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4243         Output_merge_base::input_sections_): New data members.
4244         (Output_merge_data::do_set_keeps_input_sections): New method
4245         defintion.
4246         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4247         * output.cc (Output_section::Input_section::relobj): Move method
4248         defintion from class declaration to here and handle merge sections.
4249         (Output_section::Input_section::shndx): Ditto.
4250         (Output_section::Output_section): Remove initializations of removed
4251         data members and initialize new data member LOOKUP_MAPS_.
4252         (Output_section::add_input_section): Set keeps-input-sections flag
4253         for a newly created merge output section as appropriate.  Adjust code
4254         to use Output_section_lookup_maps class.
4255         (Output_section::add_relaxed_input_section): Adjst code for lookup
4256         maps code refactoring.
4257         (Output_section::add_merge_input_section): Add a new parameter
4258         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4259         class.  If adding input section to a newly created merge output
4260         section fails, remove the new merge section.
4261         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4262         Adjust code for use of the Output_section_lookup_maps class.
4263         (Output_section::find_merge_section): Ditto.
4264         (Output_section::build_lookup_maps): New method defintion.
4265         (Output_section::find_relaxed_input_section): Adjust code to use
4266         Output_section_lookup_maps class.
4267         (Output_section::get_input_sections): Export merge sections.  Adjust
4268         code to use Output_section_lookup_maps class.
4269         (Output_section:::add_script_input_section): Adjust code to use
4270         Output_section_lookup_maps class.  Update lookup maps for merge
4271         sections also.
4272         (Output_section::discard_states): Use Output_section_lookup_maps.
4273         (Output_section::restore_states): Same.
4274         * output.h (Merge_section_properties): Move class defintion out of
4275         Output_section.
4276         (Output_section_lookup_maps): New class.
4277         (Output_section::Input_section::is_merge_section): New method
4278         defintion.
4279         (Output_section::Input_section::relobj): Move defintion out of class
4280         defintion.  Declare method only.
4281         (Output_section::Input_section::shndx): Ditto.
4282         (Output_section::Input_section::output_merge_base): New method defintion.
4283         (Output_section::Input_section::u2_.pomb): New union field.
4284         (Output_section::Merge_section_by_properties_map,
4285         Output_section::Output_section_data_by_input_section_map,
4286         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4287         Remove types.
4288         (Output_section::add_merge_input_section): Add new parameter
4289         KEEPS_INPUT_SECTIONS.
4290         (Output_section::build_lookup_maps): New method declaration.
4291         (Output_section::merge_section_map_,
4292         Output_section::merge_section_by_properties_map_,
4293         Output_section::relaxed_input_section_map_,
4294         Output_section::is_relaxed_input_section_map_valid_): Remove data
4295         members.
4296         (Output_section::lookup_maps_): New data member.
4297
4298 2010-05-21  Doug Kwan  <dougkwan@google.com>
4299
4300         PR gold/11619
4301         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4302         avoid a compilation error.
4303
4304 2010-05-19  Rafael Espindola  <espindola@google.com>
4305
4306         * script-sections.cc (Output_section_definition::allocate_to_segment):
4307         Update the phdrs_list even when the output section is NULL.
4308         * testsuite/Makefile.am: Add test.
4309         * testsuite/Makefile.in: Regenerate.
4310         * testsuite/script_test_9.cc: New.
4311         * testsuite/script_test_9.sh: New.
4312         * testsuite/script_test_9.t: New.
4313
4314 2010-05-19  Doug Kwan  <dougkwan@google.com>
4315
4316         * arm.cc (Arm_input_section::original_size): New method.
4317         (Arm_input_section::do_addralign): Add a cast.
4318         (Arm_input_section::do_output_offset): Remove static cast.
4319         (Arm_input_section::original_addralign,
4320          Arm_input_section::original_size_): Change type to uint32_t.
4321         (Arm_input_section::init): Add safe casts for section alignment
4322         and size.
4323         (Arm_input_section::set_final_data_size): Do not set address and
4324         offset of stub table.
4325         (Arm_output_section::fix_exidx_coverage): Change use of of
4326         Output_section::Simple_input_section to that of
4327         Output_section::Input_section.
4328         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4329         except for the first pass.
4330         * output.cc (Output_section::get_input_sections): Change type of
4331         input_sections to std::list<Input_section>.
4332         (Output_section::add_script_input_section): Rename from
4333         Output_section::add_simple_input_section.  Change type of SIS
4334         parameter from Simple_input_section to Input_section.
4335         * output.h (Output_section::Simple_input_section): Remove class.
4336         (Output_section::Input_section): Change class visibility to public.
4337         (Output_section::Input_section::addralign): Use stored alignments
4338         for special input sections if set.
4339         (Output_section::Input_section::set_addralign): New method.
4340         (Output_section::get_input_sections): Change parameter type from
4341         list of Simple_input_section to list of Input_section.
4342         (Output_section::add_script_input_section): Rename from
4343         Output_section::add_simple_input_section. Change first parameter's
4344         type from Simple_input_section to Input_section and remove the
4345         second and third parameters.
4346         * script-sections.cc (Input_section::Input_section_list): Change
4347         type to list of Output_section::Input_section/
4348         (Input_section_info::Input_section_info): Change parameter type of
4349         INPUT_SECTION to Output_section::Input_section.
4350         (Input_section_info::input_section): Change return type.
4351         (Input_section_info::input_section_): Change type to
4352         Output_section::Input_section.
4353         (Output_section_element_input::set_section_addresses): Adjust code
4354         to use Output_section::Input_section instead of
4355         Output_section::Simple_input_section.  Adjust code for renaming
4356         of Output_section::add_simple_input_section.
4357         (Orphan_output_section::set_section_addresses): Ditto.
4358
4359 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4360
4361         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4362         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4363
4364 2010-05-18  Rafael Espindola  <espindola@google.com>
4365
4366         * options.cc (General_options::finalize): Handle -nostdlib.
4367         * options.h (nostdlib): New option.
4368         * script.cc (script_add_search_dir): Handle -nostdlib.
4369
4370 2010-05-12  Doug Kwan  <dougkwan@google.com>
4371
4372         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4373         attributes section only if there no attributes section after merging.
4374         (Target_arm::merge_object_attributes): Move value of
4375         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4376         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4377         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4378         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4379         and arm_attr_merge_7.stdout.
4380         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4381         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4382         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4383         arm_attr_merge_7b.o): New rules.
4384         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4385         arm_attr_merge_7
4386         * testsuite/Makefile.in: Regenerate.
4387         * testsuite/arm_attr_merge.sh: New file.
4388         * testsuite/arm_attr_merge_[67][ab].s: Same.
4389
4390 2010-05-05  Nick Clifton  <nickc@redhat.com>
4391
4392         * po/es.po: Updated Spanish translation.
4393
4394 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4395
4396         * Makefile.am (install-exec-local): Properly install gold as
4397         default cross linker.
4398         * Makefile.in: Regenerated.
4399
4400 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4401             Nick Clifton  <nickc@redhat.com>
4402
4403         * configure.ac (install_as_default): Define and set to false
4404         unless --enable-gold or --enable-gold=both/gold has been
4405         specified.
4406         * configure: Regenerate.
4407
4408         * Makefile.am (install-exec-local): Install the executable as
4409         'ld.gold'.  If install_as_default is true then also install it as
4410         'ld'.
4411         * Makefile.in: Regenerated.
4412
4413 2010-04-24  Ian Lance Taylor  <iant@google.com>
4414
4415         * layout.cc (Layout::layout_reloc): In relocatable link don't
4416         combine reloc sections for grouped sections.
4417
4418 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4419
4420         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4421         sections that are not ordinary to icf.
4422         * icf.cc (get_section_contents): Handle relocation pointing to section
4423         with no object or shndx information.
4424         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4425         * testsuite/Makefile.in: Regenerate.
4426         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4427         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4428
4429 2010-04-22  Ian Lance Taylor  <iant@google.com>
4430
4431         * expression.cc (Expression::Expression_eval_info): Add
4432         result_alignment_pointer field.
4433         (Expression::eval_with_dot): Add result_alignment_pointer
4434         parameter.  Change all callers.
4435         (Expression::eval_maybe_dot): Likewise.
4436         (class Binary_expression): Add alignment_pointer parameter to
4437         left_value and right_value.  Change all callers.
4438         (BINARY_EXPRESSION): Set result alignment.
4439         (class Trinary_expression): Add alignment_pointer parameter to
4440         arg2_value and arg3_value.  Change all callers.
4441         (Trinary_cond::value): Set result alignment.
4442         (Max_expression::value, Min_expression::value): Likewise.
4443         (Align_expression::value): Likewise.
4444         * script-sections.cc (class Sections_element): Add dot_alignment
4445         parameter to set_section_addresses virtual function.  Update
4446         instantiations.
4447         (class Output_section_element): Likewise.
4448         (Script_sections::create_segments): Add dot_alignment parameter.
4449         Change all callers.
4450         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4451         (Script_sections::set_phdrs_clause_addresses): Likewise.
4452         * script-sections.h: Update declarations.
4453         * script.h: Update declarations.
4454         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4455         min_p_align.
4456         * testsuite/script_test_3.t: Set large alignment.
4457         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4458         segment has expected alignment.
4459
4460 2010-04-22  Nick Clifton  <nickc@redhat.com>
4461
4462         * po/gold.pot: Updated by the Translation project.
4463         * po/vi.po: Updated Vietnamese translation.
4464
4465 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4466
4467         * testsuite/Makefile.am (check_PROGRAMS): Add
4468         icf_virtual_function_folding_test.
4469         * testsuite/Makefile.in: Regenerated.
4470
4471 2010-04-15  Andrew Haley  <aph@redhat.com>
4472
4473         * options.h (merge_exidx_entries): New option.
4474         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4475         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4476         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4477         (Target_arm::merge_exidx_entries): New function.
4478         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4479         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4480         to Arm_exidx_fixup constructor.
4481         Add new arg, merge_exidx_entries.
4482         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4483         Arm_output_section::fix_exidx_coverage.
4484
4485 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4486
4487         * icf.cc (get_section_contents): Check for preemptible functions.
4488         Ignore addend when appropriate.
4489         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4490         section folded.
4491         (add_from_relobj): Check for section folded.
4492         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4493         * symtab.h (should_add_dynsym_entry): Add new parameter.
4494         * target-reloc.h (scan_relocs): Check for section folded.
4495         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4496         Check reloc types for function pointers in shared objects.
4497         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4498         case.
4499         (icf_preemptible_functions_test): New test case.
4500         (icf_string_merge_test): New test case.
4501         * testsuite.Makefile.in: Regenerate.
4502         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4503         bar_glob.  Refactor code.
4504         * testsuite/icf_preemptible_functions_test.cc: New file.
4505         * testsuite/icf_preemptible_functions_test.sh: New file.
4506         * testsuite/icf_string_merge_test.cc: New file.
4507         * testsuite/icf_string_merge_test.sh: New file.
4508         * testsuite/icf_virtual_function_folding_test.cc: New file.
4509         * testsuite/icf_virtual_function_folding_test.sh: New file.
4510
4511 2010-04-14  Doug Kwan  <dougkwan@google.com>
4512
4513         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4514         for local symbol recounting if we remove a section due to ICF.
4515         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4516         there are no regular objects in input.
4517
4518 2010-04-13  Doug Kwan  <dougkwan@google.com>
4519
4520         * arm.cc (Arm_input_section::set_final_data_size): Compute
4521         accurate final data size instead of using current data size.
4522
4523 2010-04-09  Doug Kwan  <dougkwan@google.com>
4524
4525         * layout.cc (Layout::choose_output_section): Handle script section
4526         types.
4527         (Layout::make_output_section_for_script): Add section type parameter.
4528         Handle script section types.
4529         * layout.h (Layout::make_output_section_for_script): Add section
4530         type parameter.
4531         * output.cc (Output_section::Output_section): Initialize data member
4532         is_noload_.
4533         (Output_section::do_reset_address_and_file_offset): Do not set address
4534         to 0 if section is a NOLOAD section.
4535         * output.h (Output_section::is_noload): New method.
4536         (Output_section::set_is_noload): Ditto.
4537         (Output_section::is_noload_): New data member.
4538         * script-c.h (Script_section_type): New enum type.
4539         (struct Parser_output_section_header): Add new file section_type.
4540         * script-sections.cc (Sections_element::output_section_name): Add
4541         parameter for returning script section type.
4542         (Output_section_definition::output_section_name): Ditto.
4543         (Output_section_definition::section_type)P; New method.
4544         (Output_section_definiton::script_section_type_name): Ditto.
4545         (Output_section_definition::script_section_type_): New data member.
4546         (Output_section_definition::Output_section_definition): Initialize
4547         data member Output_section_definition::script_section_type_.
4548         (Output_section_definition::create_sections): Pass script section type
4549         to Layout::make_output_section_for_script.
4550         (Output_section_definition::output_section_name): Return script
4551         section type to caller.
4552         (Output_section_definition::set_section_address): Do not advance
4553         dot value and load address if section type is NOLOAD.  Set address
4554         of NOLOAD sections regardless of section flags.
4555         (Output_section_definition::print): Print section type if it is
4556         not SCRIPT_SECTION_TYPE_NONE.
4557         (Output_section_definition::section_type): New method.
4558         (Output_section_definition::script_section_type_name): Ditto.
4559         (Script_sections::output_section_name): Add new parameter
4560         PSECTION_TYPE for returning script section type.  Pass it to
4561         section elements.  Handle discard sections.
4562         (Sort_output_sections::operator()): Handle NOLOAD sections.
4563         * script-sections.h (Script_sections::Section_type): New enum type.
4564         (Script_sections::output_section_name): Add a new parameter for
4565         returning script section type.
4566         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4567         INFO and NOLOAD.
4568         * yyscript.y (union): Add new field SECTION_TYPE.
4569         (COPY, DSECT, INFO, NOLOAD): New tokens.
4570         (opt_address_and_section_type): Change type to output_section_header.
4571         (section_type): New non-terminal
4572         (section_header): Handle section type.
4573         (opt_address_and_section_type): Return section type value.
4574
4575 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4576
4577         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4578         * testsuite/plugin_common_test_2.c (foo): Likewise.
4579
4580 2010-04-08  Doug Kwan  <dougkwan@google.com>
4581
4582         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4583         Output_merge_data.
4584         * output.cc (Output_section::add_merge_input_section): Simplify
4585         code and return status of Output_merge_base::add_input_section.
4586         Update merge section map only if Output_merge_base::add_input_section
4587         returns true.
4588
4589 2010-04-07  Doug Kwan  <dougkwan@google.com>
4590
4591         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4592         if section is marked as containing instructions but has no mapping
4593         symbols.
4594         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4595         correct section index.
4596         (Arm_relobj::find_linked_text_section): Ditto.
4597
4598 2010-04-07  Cary Coutant  <ccoutant@google.com>
4599
4600         * archive.cc (include_member): Destroy Read_symbols_data object before
4601         releasing file.
4602         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4603         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4604         (Read_symbols_data::~Read_symbols_data) New destructor.
4605         (Section_relocs::Section_relocs) New constructor.
4606         (Section_relocs::~Section_relocs) New destructor.
4607         (Read_relocs_data::Read_relocs_data) New constructor.
4608         (Read_relocs_data::~Read_relocs_data) New destructor.
4609         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4610         pointers to NULL after deleting.
4611
4612 2010-04-07  Doug Kwan  <dougkwan@google.com>
4613
4614         * arm.cc: Replace "endianity" with "endianness" in comments.
4615         (Arm_exidx_cantunwind): Ditto.
4616         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4617         (Arm_relobj::merge_flags_and_attributes): New method.
4618         (Arm_relobj::merge_flags_and_attributes_): New data member.
4619         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4620         (Arm_relobj::scan_sections_for_stubs): Ditto.
4621         (Arm_relobj::do_read_symbols): Check to see if we really want to
4622         merge processor-specific flags and attributes.  Exit early if
4623         an object is empty except for section names and the undefined symbol.
4624         (Target_arm::do_finalize_sections): Move check for ELF format to
4625         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4626         attributes from a regular object only when we have determined that
4627         it is aapropriate.  Do not create an .ARM.attributes section in
4628         output if there is no regular input object.
4629         (Target_arm::merge_processor_specific_flags): Check
4630         --warn-mismatch before printing any error.
4631         (Target_arm::merge_object_attributes): Ditto.
4632         * gold.cc (queue_middle_tasks): Handle the case in which there is
4633         no regular object in input.
4634         * options.cc (General_options::parse_EB): New method.
4635         (General_options::parse_EL): Same.
4636         (General_options::General_options): Initialize endianness_.
4637         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4638         New options.
4639         (General_options::Endianness): New enum.
4640         (General_options::endianness): New method.
4641         (General_options::endianness_): New data member.
4642         * parameters.cc (Parameters::set_options): Check target endianness.
4643         (Parameters::set_target_once): Ditto.
4644         (Parameters::check_target_endianness): New method.
4645         (parameters_force_valid_target): If either -EL or -EB is specified,
4646         use it to define endianness of default target.
4647         * parameters.h (Parameters::check_target_endianness): New method
4648         declaration.
4649         * target.h (class Target): Change "endianity" to "endianness"
4650         in comments.
4651
4652 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4653
4654         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4655         * configure: Regenerate.
4656         * Makefile.in: Regenerate.
4657         * testsuite/Makefile.in: Regenerate.
4658
4659 2010-04-06  Cary Coutant  <ccoutant@google.com>
4660
4661         gcc PR lto/42757
4662         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4663         prevailing definitions of common symbols.
4664         * testsuite/plugin_test_6.sh: New test case.
4665         * testsuite/plugin_common_test_1.c: New test case.
4666         * testsuite/plugin_common_test_2.c: New test case.
4667         * testsuite/Makefile.am (plugin_test_6): New test case.
4668         * testsuite/Makefile.in: Regenerate.
4669
4670 2010-04-06  Nick Clifton  <nickc@redhat.com>
4671
4672         * po/vi.po: New Vietnamese translation.
4673
4674 2010-03-30  Doug Kwan  <dougkwan@google.com>
4675
4676         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4677
4678 2010-03-25  Doug Kwan  <dougkwan@google.com>
4679
4680         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4681         to avoid a conversion warning on a 32-bit host.
4682
4683 2010-03-24  Ian Lance Taylor  <iant@google.com>
4684
4685         * testsuite/script_test_3.t: Add a TLS segment.
4686         * testsuite/Makefile.am (check_PROGRAMS): Add
4687         tls_phdrs_script_test.
4688         (tls_phdrs_script_test_SOURCES): Define.
4689         (tls_phdrs_script_test_DEPENDENCIES): Define.
4690         (tls_phdrs_script_test_LDFLAGS): Define.
4691         (tls_phdrs_script_test_LDADD): Define.
4692         * testsuite/Makefile.in: Rebuild.
4693
4694 2010-03-23  Cary Coutant  <ccoutant@google.com>
4695
4696         * fileread.cc (find_or_make_view): Fix comment.
4697
4698 2010-03-23  Ian Lance Taylor  <iant@google.com>
4699
4700         * script-sections.cc (class Orphan_section_placement): Define
4701         PLACE_TLS and PLACE_TLS_BSS.
4702         (Orphan_section_placement::Orphan_section_placement): Initialize
4703         new places.
4704         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4705         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4706         (tls_script_test_SOURCES): Define.
4707         (tls_script_test_DEPENDENCIES): Define.
4708         (tls_script_test_LDFLAGS): Define.
4709         (tls_script_test_LDADD): Define.
4710         * testsuite/Makefile.in: Rebuild.
4711
4712 2010-03-22  Doug Kwan  <dougkwan@google.com>
4713
4714         * arm.cc (Arm_relocate_functions::abs8,
4715         Arm_relocate_functions::abs16): Use correct check for overflow
4716         specified in the ARM ELF specs.
4717         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4718         target of a BLX instruction specially.
4719         (Reloc_stub::stub_type_for_reloc): Ditto.
4720         (Relocate::relocate): Use symbolic names instead of numeric relocation
4721         codes to report error.
4722         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4723         workaround.
4724         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4725         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4726         thumb2_blx_out_of_range.stdout
4727         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4728         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4729         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4730         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4731         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4732         thumb2_blx_in_range, thumb2_blx_in_range.o,
4733         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4734         thumb2_blx_out_of_range.o): New rules.
4735         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4736         thumb2_blx_in_range and thumb2_blx_out_of_range.
4737         * testsuite/Makefile.in: Regenerate.
4738         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4739         * testsuite/thumb_blx_in_range.s: New file.
4740         * testsuite/thumb_blx_out_of_range.s: New file.
4741
4742 2010-03-22  Rafael Espindola  <espindola@google.com>
4743
4744         * archive.cc (Should_include): Move to archive.h.
4745         (should_include_member): Make it a member of Archive.
4746         (Lib_group): New.
4747         (Add_lib_group_symbols): New.
4748         * archive.h: Include options.h.
4749         (Archive_member): Moved from Archive.
4750         (Should_include): Moved from archive.cc.
4751         (Lib_group): New.
4752         (Add_lib_group_symbols): New.
4753         * dynobj.cc (do_should_include_member): New.
4754         * dynobj.h (do_should_include_member): New.
4755         * gold.cc (queue_initial_tasks): Update call to queue.
4756         * main.cc (main): Print lib group stats.
4757         * object.cc (do_should_include_member): New.
4758         * object.h: Include archive.h.
4759         (Object::should_include_member): New.
4760         (Object::do_should_include_member): New.
4761         (Sized_relobj::do_should_include_member): New.
4762         * options.cc (General_options::parse_start_lib): New.
4763         (General_options::parse_end_lib): New.
4764         (Input_arguments::add_file): Handle lib groups.
4765         (Input_arguments::start_group): Check we are not in a lib.
4766         (Input_arguments::start_lib): New.
4767         (Input_arguments::end_lib): New.
4768         * options.h (General_options): Add start_lib and end_lib.
4769         (Input_argument::lib_): New.
4770         (Input_argument::lib): New.
4771         (Input_argument::is_lib): New.
4772         (Input_file_lib): New.
4773         (Input_arguments::in_lib_): New.
4774         (Input_arguments::in_lib): New.
4775         (Input_arguments::start_lib): New.
4776         (Input_arguments::end_lib_): New.
4777         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4778         in unused members as preempted.
4779         (Sized_pluginobj::do_should_include_member): New.
4780         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4781         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4782         return the blocker.
4783         (Read_symbols::do_whole_lib_group): New.
4784         (Read_symbols::do_lib_group): New.
4785         (Read_symbols::do_read_symbols): Handle lib groups.
4786         (Read_symbols::get_name): Handle lib groups.
4787         * readsyms.h (Read_symbols): Add an archive member pointer.
4788         (Read_symbols::do_whole_lib_group): New.
4789         (Read_symbols::do_lib_group): New.
4790         (Read_symbols::member_): New.
4791         * script.cc (read_input_script): Update call to queue_soon.
4792
4793 2010-03-19  Doug Kwan  <dougkwan@google.com>
4794
4795         * arm.cc (Stub_table::Stub_table): Initialize new data members
4796         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4797         (Stub_table::add_reloc_stub): Assign stub offset and update
4798         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4799         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4800         New data members.
4801         (Stub_table::update_data_size_and_addralign): Use
4802         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4803         instead of going over all reloc stubs.
4804         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4805         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4806         Stringpool_template::offset_ to size of Stringpool_char.
4807         (Stringpool_template::new_key_offset): Remove code to initialize
4808         Stringpool_template::offset_.
4809         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4810         Stringpool_template::offset_ to zero.
4811
4812 2010-03-15  Doug Kwan  <dougkwan@google.com>
4813
4814         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4815         offset_.
4816         (Stringpool_template::new_key_offset): New method.
4817         (Stringpool_template::add_string): Assign offsets when adding new
4818         strings.
4819         (Stringpool_template::set_string_offsets): Do not set string offsets
4820         when not optimizing.
4821         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4822         member size_.
4823         (Chunked_vector::clear): Clear size_.
4824         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4825         (Chunked_vector::size): Return size_.
4826         (Chunked_vector::push_back): Use size_ to find insert position.
4827         (Chunked_vector::size_): New data member.
4828         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4829         (Stringpool_template::new_key_offset): New method declaration.
4830         (Stringpool_template::offset_): New data member.
4831
4832 2010-03-15   Rafael Espindola  <espindola@google.com>
4833
4834         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4835         Add_symbols' constructor.
4836         * readsyms.h (Add_symbols): Remove the input_group member.
4837
4838 2010-03-10  Ian Lance Taylor  <iant@google.com>
4839
4840         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4841         target to ask whether a reference to a symbol requires a stack
4842         split.
4843         * target.h (Target::is_call_to_non_split): New function.
4844         (Target::do_is_call_to_non_split): Declare virtual function.
4845         * target.cc: Include "symtab.h".
4846         (Target::do_is_call_to_non_split): New function.
4847         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4848
4849 2010-03-10  Cary Coutant  <ccoutant@google.com>
4850
4851         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4852         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4853         (File_read::open[2]): Add whole_file_view_ to list of views.
4854         (File_read::make_view): Remove test of whole_file_view_.
4855         (File_read::find_or_make_view): Create whole_file_view_ if
4856         necessary.
4857         (File_read::clear_views): Replace bool parameter with enum;
4858         adjust all callers.  Don't delete views with permanent data;
4859         do delete cached views and views from archives if
4860         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4861         if clearing the corresponding view.
4862         * fileread.h (File_read::Clear_views_mode): New enum.
4863         (File_read::View::is_permanent_view): New method.
4864         (File_read::clear_views): Replace bool parameter
4865         with enum; adjust all callers.
4866         * options.h (General_options): Change keep_files_mapped option;
4867         add map_whole_files.
4868         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4869         releasing the file.
4870         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4871         the file.
4872
4873 2010-03-10  David S. Miller  <davem@davemloft.net>
4874
4875         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4876
4877 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4878
4879         * icf.cc (get_section_contents): Add '@' marker after processing the
4880         merge reloc.
4881
4882 2010-03-08  Doug Kwan  <dougkwan@google.com>
4883
4884         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4885         due to a conversion warning.
4886         (Arm_relobj::update_output_local_symbol_count): Check for local
4887         symbol with unset output index.
4888
4889 2010-03-05  Ian Lance Taylor  <iant@google.com>
4890
4891         * options.h (class General_options): Add --spare-dynamic-tags.
4892         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4893         --spare-dynamic-tags.
4894
4895 2010-03-05  Ian Lance Taylor  <iant@google.com>
4896
4897         * incremental.cc: Include "libiberty.h".
4898
4899 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4900
4901         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4902         function, is_info_ member.
4903         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4904         (Versions::Versions): Update caller.
4905         (Versions::define_base_version): Likewise.
4906         (Versions::add_def): Likewise.
4907
4908 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4909
4910         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4911         (Scan::possible_function_pointer_reloc): New function.
4912         (Scan::local_reloc_may_be_function_pointer): Change to call
4913         possible_function_pointer_reloc.
4914         (Scan::global_reloc_may_be_function_pointer): Ditto.
4915         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4916         relocations in ".data.rel.ro._ZTV" section.
4917         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4918         * testsuite/icf_safe_so_test.cc: Ditto.
4919         * testsuite/icf_safe_test.cc: Ditto.
4920         * testsuite/icf_safe_test.sh: Ditto.
4921
4922 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4923             Ian Lance Taylor  <iant@google.com>
4924
4925         * target-reloc.h (relocate_section): Check the symbol table index
4926         for -1U before setting the local symbol index.
4927         (scan_relocatable_relocs): If copying the relocation, record that
4928         the local symbol is required.
4929         * object.h (Symbol_value::is_output_symtab_index_set): New
4930         function.
4931         (Symbol_value::may_be_discarded_from_output_symtab): New
4932         function.
4933         (Symbol_value::has_output_symtab_entry): New function.
4934         (Symbol_value::needs_output_symtab_entry): Remove.
4935         (Symbol_value::output_symtab_index): Make sure the symbol index is
4936         set.
4937         (Symbol_value::set_output_symtab_index): Make sure the symbol
4938         index is not set.  Make sure the new index is valid.
4939         (Symbol_value::set_must_have_output_symtab_entry): New function.
4940         (Symbol_value::has_output_dynsym_entry): New function.
4941         (Symbol_value::set_output_dynsym_index): Make sure the new index
4942         is valid.
4943         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4944         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4945         local symbol if permitted.
4946         (Sized_relobj::do_finalize_local_symbols): Call
4947         is_output_symtab_index_set rather than needs_output_symtab_entry.
4948         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4949         rather than needs_output_symtab_entry.  Call
4950         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4951         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4952         is_output_symtab_index_set rather than needs_output_symtab_entry.
4953         * testsuite/discard_locals_relocatable_test.c: New file.
4954         * testsuite/discard_locals_test.sh: Test -r.
4955         * testsuite/Makefile.am (check_DATA): Add
4956         discard_locals_relocatable_test1.syms,
4957         discard_local_relocatable_test2.syms.
4958         (MOSTLYCLEANFILES): Likewise.  Also add
4959         discard_locals_relocatable_test1.lout and
4960         discard_locals_relocatable_test2.out.
4961         (discard_locals_relocatable_test1.syms): New target.
4962         (discard_locals_relocatable_test.o): New target.
4963         (discard_locals_relocatable_test1.out): New target.
4964         (discard_locals_relocatable_test2.syms): New target.
4965         (discard_locals_relocatable_test2.out): New target.
4966         (various): Add missing ../ld-new dependencies.
4967         * testsuite/Makefile.in: Rebuild.
4968
4969 2010-03-03  Nick Clifton  <nickc@redhat.com>
4970
4971         * po/fi.po: New Finnish translation.
4972
4973 2010-03-01  Doug Kwan  <dougkwan@google.com>
4974
4975         * layout.cc (Layout::Layout): Force section types of .init_array*,
4976         .preinit_array* and .fini_array* sections.
4977         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4978         Fix check of return value of std::string::find.().
4979         (Output_section::Input_section_sort_compare::operator()): Remove
4980         comment about .init_array.
4981         (Output_section::Input_section_sort_init_fini_compare::operator()):
4982         New method.
4983         (Output_section::sort_attached_input_sections): Handle .init_array
4984         and .fini_array specially.
4985         * output.h (Output_section::Inut_section_sort_compare): Update
4986         comment.
4987         (Output_section::Input_section_sort_init_fini_compare): New struct.
4988
4989 2010-02-26  Doug Kwan  <dougkwan@google.com>
4990
4991         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4992         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4993         * testsuite/debug_msg.sh: Avoid matching source line number for
4994         use of global variable undef_int.
4995
4996 2010-02-26  Doug Kwan  <dougkwan@google.com>
4997
4998         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4999         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5000         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5001         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5002         * options.cc (General_options::General_options): Initialize member
5003         fix_v4bx_.
5004         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5005         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5006         and rm_no_fix_v4bx.stdout
5007         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5008         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5009         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5010         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5011         and arm_no_fix_v4bx.
5012         * Makefile.in: Regenerate.
5013         * testsuite/arm_fix_v4bx.s: New file.
5014         * testsuite/arm_fix_v4bx.sh: Ditto.
5015
5016 2010-02-24  Doug Kwan  <dougkwan@google.com>
5017
5018         * arm.cc (Target_arm::got_section): Make the .got section the first
5019         non RELRO section in the data segment.
5020         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5021         suffixes of section names.
5022
5023 2010-02-24  Doug Kwan  <dougkwan@google.com>
5024
5025         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5026         flags and attributes merging if an input file is a binary file.
5027         * fileread.cc (Input_file::open): Record format of original file.
5028         * fileread.h (Input_file::Format): New enum type.
5029         (Input_file::Input_file): Initialize data member format_.
5030         (Input_file::format): New method definition.
5031         (Input_file::format_):: New data member.
5032
5033 2010-02-24  Doug Kwan  <dougkwan@google.com>
5034
5035         * arm.cc (Arm_output_data_got): New class.
5036         (ARM_TCB_SIZE): New constant
5037         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5038         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5039         If user uses a script with a SECTIONS clause, issue only a warning
5040         for a misplaced EXIDX input section.  Otherwise, issue an error.
5041         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5042         garbage collection.
5043         (Target_arm::got_mode_index_entry): Handle static linking.
5044         (Target_arm::Scan::local): Ditto.
5045         (Target_arm::Scan::global): Ditto.
5046         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5047         all incorrectly implemented relocations.
5048         (Target_arm::fix_exidx_coverage): Pass layout to
5049         Arm_output_section::fix_exidx_coverage.
5050         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5051         from ".ARM.exidx." and ".ARM.extab.".
5052
5053 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5054
5055         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5056         section if it does not already exist.
5057         * attributes.cc (Attributes_section_data::Attributes_section_data):
5058         Don't crash if size is zero.
5059
5060 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5061             Ian Lance Taylor  <iant@google.com>
5062
5063         * gold.cc (queue_middle_tasks): If no input files were opened,
5064         exit.
5065         * workqueue.h (Task_function::Task_function): Assert that there is
5066         a blocker.
5067
5068 2010-02-22  Doug Kwan  <dougkwan@google.com>
5069
5070         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5071         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5072         types to avoid warnings due to different uint64_t implementations
5073         on different hosts.
5074
5075 2010-02-21  Doug Kwan  <dougkwan@google.com>
5076
5077         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5078         handling of the maximum backward branch offset.
5079         (Arm_relocate_functions::thumb_branch_common): Ditto.
5080         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5081         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5082         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5083         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5084         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5085         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5086         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5087         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5088         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5089         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5090         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5091         thumb2_bl_out_of_range.o): New rules.
5092         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5093         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5094         thumb2_bl_out_of_range
5095         * testsuite/Makefile.in: Regenerate.
5096         * testsuite/arm_bl_in_range.s: New file.
5097         * testsuite/arm_bl_out_of_range.s: Ditto.
5098         * testsuite/arm_branch_in_range.sh: Ditto.
5099         * testsuite/arm_branch_range.t: Ditto.
5100         * testsuite/thumb2_branch_range.t: Ditto.
5101         * testsuite/thumb_bl_in_range.s: Ditto.
5102         * testsuite/thumb_bl_out_of_range.s: Ditto.
5103         * testsuite/thumb_branch_range.t: Ditto.
5104
5105 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5106
5107         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5108         Add reloc offset information.
5109         * icf.cc (get_section_contents): Change iterators to point to the new
5110         vectors. Add reloc offset information to the contents.
5111         * icf.h (Icf::Sections_reachable_info): New typedef.
5112         (Icf::Sections_reachable_list): New typedef.
5113         (Icf::Offset_info): New typedef.
5114         (Icf::Reloc_info): New struct typedef.
5115         (Icf::Reloc_info_list): New typedef.
5116         (Icf::symbol_reloc_list): Delete method.
5117         (Icf::addend_reloc_list): Delete method.
5118         (Icf::section_reloc_list): Delete method.
5119         (Icf::reloc_info_list): New method.
5120         (Icf::reloc_info_list_): New member.
5121
5122 2010-02-19  Doug Kwan  <dougkwan@google.com>
5123
5124         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5125         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5126         * arm.cc (Arm_relocation_functions): New forward declaration.
5127         (Target_arm::Target_arm): Initialize new data members
5128         got_mod_index_offset_ and tls_base_symbol_defined_.
5129         (Target_arm::Relocate::relocate_tls): New method.
5130         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5131          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5132         New methods.
5133         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5134         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5135         (Target_arm::got_mod_index_offset_,
5136         Target_arm::tls_base_symbol_defined_): New data members.
5137         (Target_arm::Scan::local, Target::Scan::global,
5138         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5139         relocations.
5140
5141 2010-02-18  Doug Kwan  <dougkwan@google.com>
5142
5143         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5144         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5145         text section as a parameter becuase some broken tools may not set
5146         the link in section header.
5147         (Target_arm::has_got_section): New method.
5148         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5149         without any mapping symbol as data only.  Remove warning.
5150         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5151         link in its section header, try to discover the link by inspecting the
5152         REL31 relocation at the beginning of the section.
5153         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5154         in error message.
5155         (Target_arm::Scan::global): Treat any reference to the symbol
5156         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5157
5158 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5159
5160         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5161         (Scan::global_reloc_may_be_function_pointer): New function.
5162         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5163         (Scan::global_reloc_may_be_function_pointer): New function.
5164         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5165         (Scan::global_reloc_may_be_function_pointer): New function.
5166         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5167         (Scan::global_reloc_may_be_function_pointer): New function.
5168         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5169         (Scan::global_reloc_may_be_function_pointer): New function.
5170         (Scan::possible_function_pointer_reloc): New function.
5171         (Target_x86_64::can_check_for_function_pointers): New function.
5172         * gc.h (gc_process_relocs): Scan relocation types to determine if
5173         function pointers were taken for targets that support it.
5174         * icf.cc (Icf::find_identical_sections): Include functions for
5175         folding in safe ICF whose pointer is not taken.
5176         * icf.h (Secn_fptr_taken_set): New typedef.
5177         (fptr_section_id_): New member.
5178         (section_has_function_pointers): New function.
5179         (set_section_has_function_pointers): New function.
5180         (check_section_for_function_pointers): New function.
5181         * options.h: Fix comment for safe ICF option.
5182         * target.h (can_check_for_function_pointers): New function.
5183         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5184         Modify icf_safe_test for X86-64.
5185         * testsuite/Makefile.in: Regenerate.
5186         * testsuite/icf_safe_so_test.cc: New file.
5187         * testsuite/icf_safe_so_test.sh: New file.
5188         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5189         (main): Change to take pointer to function kept_func_3.
5190         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5191         folding is done correctly for X86-64.
5192
5193 2010-02-12  David S. Miller  <davem@davemloft.net>
5194
5195         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5196         is_symbolless parameter.
5197         (Output_reloc<SHT_REL>::is_symbolless): New.
5198         (Output_reloc<SHT_REL>::is_symbolless_): New.
5199         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5200         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5201         (Output_reloc<SHT_RELA>::is_symbolless): New.
5202         (Output_data_reloc::add_global): Handle is_symbolless.
5203         (Output_data_reloc::add_global_relative): Likewise.
5204         (Output_data_reloc::add_local): Likewise.
5205         (Output_data_reloc::add_local_relative): Likewise.
5206         (Output_data_reloc::add_symbolless_global_addend): New.
5207         (Output_data_reloc::add_symbolless_local_addend): New.
5208         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5209         is_symbolless.
5210         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5211         instead of ->is_relative_
5212         (Output_reloc::write): Likewise.
5213         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5214         (Output_reloc::write_rel): Simplify.
5215
5216         * sparc.cc (Target_sparc::Scan::local): Use
5217         ->add_symbolless_local_addend as needed.
5218         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5219         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5220         based upon relocation offset.
5221
5222 2010-02-11  Doug Kwan  <dougkwan@google.com>
5223
5224         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5225         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5226         beginning of function.
5227         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5228         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5229         parameter is_32bit in calls to should_apply_static_reloc.
5230         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5231         (check_DATA): Add arm_abs_global.stdout.
5232         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5233         arm_abs_global.stdout): New rules.
5234         (MOSTLLYCLEANFILES): Add arm_abs_global
5235         * Makefile.in: Regenerate.
5236         * testsuite/arm_abs_global.s: New file.
5237         * testsuite/arm_abs_global.sh: Ditto.
5238         * testsuite/arm_abs_lib.s: Ditto.
5239
5240 2010-02-11  Ian Lance Taylor  <iant@google.com>
5241
5242         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5243         Read_relocs task.
5244         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5245         Allocate_commons_task first.
5246         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5247         task, rather than symtab_lock_.
5248         (Gc_process_relocs::~Gc_process_relocs): New function.
5249         (Gc_process_relocs::is_runnable): Check this_blocker_.
5250         (Gc_process_relocs::locks): Use next_blocker_ rather than
5251         blocker_.
5252         (Scan_relocs::~Scan_relocs): New function.
5253         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5254         symtab_lock_.
5255         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5256         next_blocker_.
5257         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5258         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5259         constructor accordingly.
5260         (class Gc_process_relocs): Likewise.
5261         (class Scan_relocs): Likewise.
5262         * common.h (class Allocate_commons_task): Remove symtab_lock_
5263         field, and corresponding constructor parameter.
5264         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5265         symtab_lock_.
5266         (Allocate_commons_task::locks): Likewise.
5267
5268 2010-02-11  Ian Lance Taylor  <iant@google.com>
5269
5270         * gold-threads.h (class Once): Define.
5271         (class Initialize_lock): Rewrite as child of Once.
5272         * gold-threads.cc (class Once_initialize): Define.
5273         (once_pointer_control): New static variable.
5274         (once_pointer, once_arg): New static variables.
5275         (c_run_once): New static function.
5276         (Once::Once, Once::run_once, Once::internal_run): New functions.
5277         (class Initialize_lock_once): Remove.
5278         (initialize_lock_control): Remove.
5279         (initialize_lock_pointer): Remove.
5280         (initialize_lock_once): Remove.
5281         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5282         (Initialize_lock::initialize): Rewrite.
5283         (Initialize_lock::do_run_once): New function.
5284         * archive.cc (Archive::interpret_header): Only clear name if it is
5285         not already empty.
5286         * fileread.cc: Include "gold-threads.h"
5287         (file_counts_lock): New static variable.
5288         (file_counts_initialize_lock): Likewise.
5289         (File_read::release): Only increment counts when using --stats.
5290         Use a lock around the increment.
5291         * parameters.cc (class Set_parameters_target_once): Define.
5292         (set_parameters_target_once): New static variable.
5293         (Parameters::Parameters): Move here from parameters.h.
5294         (Parameters::set_target): Rewrite.
5295         (Parameters::set_target_once): New function.
5296         (Parameters::clear_target): Move here and rewrite.
5297         * parameters.h (class Parameters): Update declarations.  Add
5298         set_parameters_target_once_ field.
5299         (Parameters::Parameters): Move to parameters.cc.
5300         (Parameters::clear_target): Likewise.
5301         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5302         task.
5303         (Start_group::~Start_group): New function.
5304         (Start_group::is_runnable): New function.
5305         (Start_group::locks, Start_group::run): New functions.
5306         (Finish_group::run): Change saw_undefined to size_t.
5307         * readsyms.h (class Start_group): Define.
5308         (class Finish_group): Change saw_undefined_ field to size_t.
5309         (Finish_group::Finish_group): Remove saw_undefined and
5310         this_blocker parameters.  Change all callers.
5311         (Finish_group::set_saw_undefined): New function.
5312         (Finish_group::set_blocker): New function.
5313         * symtab.h (class Symbol_table): Change saw_undefined to return
5314         size_t.  Change saw_undefined_ field to size_t.
5315         * target-select.cc (Set_target_once::do_run_once): New function.
5316         (Target_selector::Target_selector): Initialize set_target_once_
5317         field.  Don't initialize lock_ and initialize_lock_ fields.
5318         (Target_selector::instantiate_target): Rewrite.
5319         (Target_selector::set_target): New function.
5320         * target-select.h (class Set_target_once): Define.
5321         (class Target_selector): Update declarations.  Make
5322         Set_target_once a friend.  Remove lock_ and initialize_lock_
5323         fields.  Add set_target_once_ field.
5324
5325 2010-02-10  Ian Lance Taylor  <iant@google.com>
5326
5327         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5328         queueing any tasks.
5329         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5330         (queue_middle_tasks): Add all blockers before queueing any tasks.
5331         (queue_final_tasks): Likewise.
5332         * token.h (Task_token::add_blockers): New function.
5333         * object.h (Input_objects::number_of_relobjs): New function.
5334
5335 2010-02-10  Ian Lance Taylor  <iant@google.com>
5336
5337         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5338         shared, not if not position independent.
5339         * x86_64.cc (Relocate::relocate_tls): Likewise.
5340         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5341         (tls_pie_pic_test): New target.
5342         * testsuite/Makefile.in: Rebuild.
5343
5344         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5345         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5346         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5347         * testsuite/Makefile.in: Rebuild.
5348
5349 2010-02-09  David S. Miller  <davem@davemloft.net>
5350
5351         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5352         R_SPARC_RELATIVE using ->add_local_relative().
5353         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5354
5355         * output.h (Output_data_dynamic::add_section_size): New method
5356         that takes two Output_data objects.
5357         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5358         entry param.  Handle it in initializers.
5359         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5360         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5361         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5362         arg.
5363         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5364         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5365         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5366         for dynrel_includes_plt.
5367         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5368         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5369         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5370         before .rela.plt
5371         (Target_sparc::do_finalize_sections): Update to pass true for
5372         dynrel_includes_plt.
5373         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5374         output before .rela.plt
5375         (Target_powerpc::do_finalize_sections): Update to pass true for
5376         dynrel_includes_plt when 32-bit.
5377
5378 2010-02-08  Doug Kwan  <dougkwan@google.com>
5379
5380         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5381         method.
5382         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5383         Arm_relobj::scan_section_for_cortex_a8_stubs,
5384         Arm_relobj::do_relocation_section): Instead of calling
5385         Output_section::output_address, use faster
5386         Arm_relobj::simple_input_section_output_address.
5387
5388 2010-02-08  David S. Miller  <davem@davemloft.net>
5389
5390         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5391         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5392         relocation helper function.
5393
5394         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5395         just like R_SPARC_GOT{10,13,22}.
5396         (Target_sparc::Scan::local): Likewise.
5397         (Target_sparc::Relocate:relocate): Likewise.
5398
5399 2010-02-06  Ian Lance Taylor  <iant@google.com>
5400
5401         * configure.ac: Rewrite targetobjs duplicate removal code to use
5402         only shell constructs.
5403         * configure: Rebuild.
5404
5405 2010-02-05  Doug Kwan  <dougkwan@google.com>
5406
5407         PR 11247
5408         * arm.cc (Arm_relobj::section_is_scannable): New method.
5409         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5410         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5411
5412 2010-02-04  Doug Kwan  <dougkwan@google.com>
5413
5414         PR 11247
5415         * arm-reloc-property.cc (cstdio): Include.
5416         * configure.ac (targetobjs): Remove duplicates.
5417         * configure: Regenerate.
5418         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5419         big and little endian version for a given address size.
5420
5421 2010-02-03  Doug Kwan  <dougkwan@google.com>
5422
5423         * arm-reloc-property.cc
5424         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5425         definition.
5426         * arm-reloc-property.h
5427         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5428         New method definition.
5429         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5430         declaration.
5431         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5432         overflow to N.
5433         (GOT_PREL): Change implemented to Y.
5434         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5435         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5436         (Arm_relocate_functions::movw_abs_nc): Remove method.
5437         (Arm_relocate_functions::movt_abs): Ditto.
5438         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5439         (Arm_relocate_functions::thm_movt_abs): Ditto.
5440         (Arm_relocate_functions::movw_rel_nc): Ditto.
5441         (Arm_relocate_functions::movw_rel): Ditto.
5442         (Arm_relocate_functions::movt_rel): Ditto.
5443         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5444         (Arm_relocate_functions:thm_movw_rel): Ditto.
5445         (Arm_relocate_functions:thm_movt_rel): Ditto.
5446         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5447         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5448         New method definitions.
5449         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5450         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5451         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5452         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5453         (Target_arm::Relocate::relocate): Check for non-static or
5454         unimplemented relocation code and exit early.  Change calls to
5455         Target_arm::reloc_uses_thumb_bit and
5456         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5457         instead.  Refactor code to handle similar relocations to increase
5458         code sharing.  Remove check for unsupported relocation code in switch
5459         statement.
5460         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5461         relocation property table to find out size.  Change error message to
5462         print out the name of a relocation code instead of the numeric value.
5463         (Target_arm::scan_reloc_for_stub): Use relocation property table
5464         instead of calling Target_arm::reloc_uses_thumb_bit().
5465
5466 2010-02-02  Doug Kwan  <dougkwan@google.com>
5467
5468         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5469         types of relaxed input section.
5470
5471 2010-02-02  Doug Kwan  <dougkwan@google.com>
5472
5473         * Makefile.am (HFILES): Add arm-reloc-property.h.
5474         (DEFFILES): New.
5475         (TARGETSOURCES): Add arm-reloc-property.cc
5476         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5477         (libgold_a_SOURCES): $(DEFFILES)
5478         * Makefile.in: Regenerate.
5479         * arm-reloc-property.cc: New file.
5480         * arm-reloc-property.h: New file.
5481         * arm-reloc.def: New file.
5482         * arm.cc: Update comments.
5483         (arm-reloc-property.h): New included header.
5484         (arm_reloc_property_table): New global variable.
5485         (Target_arm::do_select_as_default_target): New method definition.
5486         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5487         arm-reloc-property to targ_extra_obj.
5488         * parameters.cc (set_parameters_target): Call
5489         Target::select_as_default_target().
5490         * target.h (Target::select_as_default_target): New method definition.
5491         (Target::do_select_as_default_target): Same.
5492
5493 2010-02-01  Doug Kwan  <dougkwan@google.com>
5494
5495         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5496         first_output_text_section_.
5497         (Arm_exidx_fixup::first_output_text_section): New method definition.
5498         (Arm_exidx_fixup::first_output_text_section_): New data member.
5499         (Arm_exidx_fixup::process_exidx_section): Record the first text
5500         output section seen.
5501         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5502         and entsize in output section header.
5503
5504 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5505
5506         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5507         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5508         (Arm_relocate_functions::thm_alu11): New Method.
5509         (Arm_relocate_functions::thm_pc8): New Method.
5510         (Arm_relocate_functions::thm_pc12): New Method.
5511         (Target_arm::Scan::local): Handle the relocations.
5512         (Target_arm::Scan::global): Likewise.
5513         (Target_arm::Relocate::relocate): Likewise.
5514         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5515
5516 2010-01-29  Doug Kwan  <dougkwan@google.com>
5517
5518         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5519         of relocation types as ld.
5520
5521 2010-01-29  Doug Kwan  <dougkwan@google.com>
5522
5523         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5524         to public.
5525         (Arm_relocate_functions::thumb_branch_common): Ditto.
5526         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5527         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5528         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5529         Arm_relocate_functions::jump24): Remove.
5530         (Target_arm::Relocate::relocate): Adjust code to call
5531         Arm_relocation_functions::arm_branch_common and
5532         Arm_relocation_functions::thumb_branch_common instead of their removed
5533         wrappers.  Merge switch-cases together to reduce source code size.
5534
5535 2010-01-29  Doug Kwan  <dougkwan@google.com>
5536
5537         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5538         output_local_symbol_count_needs_update_.
5539         (Arm_relobj::output_local_symbol_count_needs_update,
5540          Arm_relobj::set_output_local_symbol_count_needs_update,
5541          Arm_relobj::update_output_local_symbol_count): New methods.
5542         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5543         member.
5544         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5545         of pointed function as in a R_ARM_PREL31 relocation.
5546         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5547         for output local symbol count updating.
5548         (Target_arm::do_relax): Update output local symbol counts in objects
5549         if necessary.
5550         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5551
5552 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5553
5554         * arm.cc: Added support for the ARM relocations:
5555         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5556         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5557         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5558         movw_prel_nc).
5559         (Arm_relocate_functions::movw_rel): New method.
5560         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5561         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5562         thm_movw_prel_nc).
5563         (Arm_relocate_functions::thm_movw_rel): New method.
5564         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5565         thm_movt_prel).
5566         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5567         relocations.
5568         (Target_arm::Scan::global): Likewise.
5569         (Target_arm::Relocate::relocate): Likewise.
5570         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5571         Likewise.
5572
5573 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5574
5575         * arm.cc: Added support for ARM group relocations.
5576         (Target_arm::reloc_needs_sym_origin): New method.
5577         (Arm_relocate_functions::calc_grp_kn): New method.
5578         (Arm_relocate_functions::calc_grp_residual): New method.
5579         (Arm_relocate_functions::calc_grp_gn): New method.
5580         (Arm_relocate_functions::arm_grp_alu): New Method.
5581         (Arm_relocate_functions::arm_grp_ldr): New Method.
5582         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5583         (Arm_relocate_functions::arm_grp_ldc): New Method.
5584         (Target_arm::Scan::local): Handle the ARM group relocations.
5585         (Target_arm::Scan::global): Likewise.
5586         (Target_arm::Relocate::relocate): Likewise.
5587         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5588         Likewise.
5589
5590 2010-01-26  Doug Kwan  <dougkwan@google.com>
5591
5592         * arm.cc (set): Include.
5593         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5594         pointer type.
5595         (Arm_output_section::Text_section_list): New type.
5596         (Arm_output_section::append_text_sections_to_list): New method.
5597         (Arm_output_section::fix_exidx_coverage): Ditto.
5598         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5599         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5600         Relobj::set_section_offset() instead of
5601         Sized_relobj::invalidate_section_offset().
5602         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5603         parameter for section headers. Ignore relocation sections for
5604         unallocated sections and EXIDX sections.
5605         (Target_arm::fix_exidx_coverage): New method.
5606         (Target_arm::output_section_address_less_than): New type.
5607         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5608         linked text section instead of the EXIDX section.
5609         (Arm_output_section::create_stub_group): Add an assertion to check
5610         that this is not an EXIDX output section.
5611         (Arm_output_section::append_text_sections_to_list): New method.
5612         (Arm_output_section::fix_exidx_coverage): Ditto.
5613         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5614         Arm_relobj::section_needs_reloc_stub_scanning.
5615         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5616         first pass.
5617         (Target_arm::fix_exidx_coverage): New method.
5618         * object.h (Relobj::set_output_section): New method.
5619         (Sized_relobj::invalidate_section_offset): Remove method.
5620         (Sized_relobj::do_invalidate_section_offset): Remove method.
5621         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5622
5623 2010-01-25  Doug Kwan  <dougkwan@google.com>
5624
5625         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5626         Fix warning due to signed and unsigned comparison on a 32-bit host.
5627
5628 2010-01-22  Doug Kwan  <dougkwan@google.com>
5629
5630         * arm.cc (Target_arm::do_relax): Record an output section for section
5631         offset adjustment it contains any stub table that has changed.
5632         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5633         offsets in an output section if necessary.
5634         * output.cc (Output_section::Output_section): Initialize
5635         section_offsets_need_adjustments_.
5636         (Output_section::add_input_section_for_script): Renamed to
5637         Output_section::add_simple_input_section.
5638         (Output_section::save_states): Add a comment.
5639         (Output_section::discard_states): New method defintion.
5640         (Output_section::adjust_section_offsets): Same.
5641         * output.h (Output_section::add_input_section_for_script): Renamed to
5642         Output_section::add_simple_input_section.
5643         (Output_section::discard_states): New method declaration.
5644         (Output_section::adjust_section_offsets): Same.
5645         (Output_section::section_offsets_need_adjustment,
5646         Output_section::set_section_offsets_need_adjustment): New method
5647         definitions.
5648         (Output_section::section_offsets_need_adjustment_): New data member.
5649         * script-sections.cc
5650         (Output_section_element_input::set_section_address): Adjust code for
5651         renaming of Output_section::add_input_section_for_script.
5652         (Orphan_output_section::set_section_address): Same.
5653
5654 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5655
5656         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5657         Fix_v4bx enum values .
5658         * gold/options.h (General_options): New option definitions.
5659         (General_options::fix_v4bx): New method.
5660         (General_options::Fix_v4bx): New enum.
5661         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5662         (General_options::parse_fix_v4bx_interworking): New method.
5663
5664 2010-01-22  Doug Kwan  <dougkwan@google.com>
5665
5666         * arm.cc (Arm_exidx_fixup): New class.
5667
5668 2010-01-21  Doug Kwan  <dougkwan@google.com>
5669
5670         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5671         classes.
5672         (Arm_exidx_section_offset_map): New type.
5673
5674 2010-01-21  Doug Kwan  <dougkwan@google.com>
5675
5676         * arm.cc (Arm_exidx_input_section): New class.
5677         (Arm_relobj::exidx_input_section_by_link,
5678         Arm_relobj::exidx_input_section_by_shndx,
5679         Arm_relobj::make_exidx_input_section): New methods.
5680         (read_arm_attributes_section): Remove.
5681         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5682         information about them.
5683         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5684         to here.
5685
5686 2010-01-20  Doug Kwan  <dougkwan@google.com>
5687
5688         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5689         Input_section_specifier to Section_id.
5690         (Target_arm::new_arm_input_section: Adjust code for change of key
5691         type.
5692         (Target_arm::find_arm_input_section): Ditto.
5693         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5694         (Section_id): Remove.
5695         (Garbage_collection::Section_id_hash): Remove.
5696         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5697         (Section_id): Remove.
5698         (Icf::Section_id_hash): Remove.
5699         * object.h (Section_id, Const_section_id, Section_id_hash,
5700         Const_section_id_hash): New type definitions.
5701         * output.cc (Output_section::add_relaxed_input_section): Change to
5702         use Const_section_id instead of Input_section_specifier as key type.
5703         (Output_section::add_merge_input_section): Ditto.
5704         (Output_section::build_relaxation_map): Change to use Section_id
5705         instead of Input_section_specifier as key type.
5706         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5707         Ditto.
5708         (Output_section::convert_input_sections_to_relaxed_sections): Change
5709         to use Const_section_id instead of Input_section_specifier as key type.
5710         (Output_section::find_merge_section): Ditto.
5711         (Output_section::find_relaxed_input_section): Ditto.
5712         * output.h (Input_section_specifier): Remove class.
5713         (Output_section::Output_section_data_by_input_section_map): Change
5714         key type to Const_section_id.
5715         (Output_section::Output_relaxed_input_section_by_input_section_map):
5716         Ditto.
5717         (Output_section::Relaxation_map): Change key type to Section_id.
5718
5719 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5720
5721         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5722         (class Arm_v4bx_stub): New class.
5723         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5724         (Stub_factory::make_arm_v4bx_stub): New method.
5725         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5726         (Stub_table::empty): Handle v4bx stubs.
5727         (Stub_table::add_arm_v4bx_stub): New method.
5728         (Stub_table::find_arm_v4bx_stub): New method.
5729         (Arm_relocate_functions::v4bx): New method.
5730         (Target_arm::fix_v4bx): New method.
5731         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5732         (Stub_table::relocate_stubs): Likewise.
5733         (Stub_table::do_write): Likewise.
5734         (Stub_table::update_data_size_and_addralign): Likewise.
5735         (Stub_table::finalize_stubs):  Likewise.
5736         (Target_arm::Scan::local): Likewise.
5737         (Target_arm::Scan::global): Likewise.
5738         (Target_arm::do_finalize_sections): Likewise.
5739         (Target_arm::Relocate::relocate): Likewise.
5740         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5741         Likewise.
5742         (Target_arm::scan_reloc_for_stub): Likewise.
5743         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5744
5745 2010-01-19  Ian Lance Taylor  <iant@google.com>
5746
5747         * output.cc (Output_section_headers::do_sized_write): Write large
5748         segment count to sh_info field.
5749         (Output_file_header::do_sized_write): For large segment count,
5750         write PN_XNUM to e_phnum field.
5751
5752 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5753
5754         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5755         (Arm_relocate_functions::thm_jump8): New function.
5756         (Arm_relocate_functions::thm_jump11): New function.
5757         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5758         R_ARM_THM_JUMP11.
5759         (Target_arm::Scan::global): Likewise.
5760         (Target_arm::Relocate::relocate): Likewise.
5761         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5762         Likewise.
5763
5764 2010-01-14  Doug Kwan  <dougkwan@google.com>
5765
5766         * arm.cc (map, utility): Include headers.
5767         (Target_arm::apply_cortex_a8_workaround): New method.
5768         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5769         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5770         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5771         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5772         the --[no-]fix-cortex-a8 command line options.
5773         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5774         (Target_arm::relocate_stub): Use addend in instruction template.
5775         * options.h (DEFINE_bool): Set the user-set flag.
5776         (General_options): Add --[no-]-fix-cortex options.
5777         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5778         : Update fast look-up map after conversion.
5779
5780 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5781
5782         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5783         in the first pass of do_layout.
5784
5785 2010-01-13  Doug Kwan  <dougkwan@google.com>
5786
5787         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5788         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5789         apparent compiler problem of not folding static constant integral
5790         data members of elfcpp::Elf_sizes<32>.
5791
5792 2010-01-13  Doug Kwan  <dougkwan@google.com>
5793
5794         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5795         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5796         Arm_relobj::scan_section_for_cortex_a8_erratum,
5797         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5798         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5799         sections to scan for relocation stubs into a new method
5800         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5801         relocation and Cortex-A8 stub scanning.
5802         (Target_arm::do_relax): Force stubs to be after stubbed sections
5803         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5804         the beginning of a new relaxation pass.  Update a comment.
5805         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5806
5807 2010-01-12  Ian Lance Taylor  <iant@google.com>
5808
5809         * target-reloc.h (visibility_error): New inline function.
5810         (relocate_section): Call visibility_error.
5811         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5812         (MOSTLYCLEANFILES): Likewise.
5813         (protected_4_pic.o, protected_3.err): New targets.
5814         * testsuite/protected_4.cc: New file.
5815
5816 2010-01-12  Doug Kwan  <dougkwan@google.com>
5817
5818         * arm.cc (Cortex_a8_reloc): New class.
5819         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5820         and cortex_a8_relocs_info_.
5821         (Target_arm::fix_cortex_a8): New method definition.
5822         (Target_arm::Cortex_a8_relocs_info): New type.
5823         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5824         New data member declarations.
5825         (Target_arm::scan_reloc_for_stub): Record information about
5826         relocations for THUMB branches that might be exempted from the
5827         Cortex-A8 workaround.
5828         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5829         at the beginning of a relaxation pass.
5830
5831 2010-01-12  Doug Kwan  <dougkwan@google.com>
5832
5833         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5834         (Arm_relobj::Mapping_symbol_position,
5835          Arm_reloj::Mapping_symbol_position_less,
5836          Arm_relobj::Mapping_symbols_info): New types.
5837         (Target_arm::is_mapping_symbol_name): New method definition.
5838         (Arm_relobj::do_count_local_symbols): Save information about mapping
5839         symbols.
5840
5841 2010-01-11  Doug Kwan  <dougkwan@google.com>
5842
5843         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5844         Arm_relocate_functions::thumb32_branch_upper,
5845         Arm_relocate_functions::thumb32_branch_lower,
5846         Arm_relocate_functions::thumb32_cond_branch_offset,
5847         Arm_relocate_functions::thumb32_cond_branch_upper,
5848         Arm_relocate_functions::thumb32_cond_branch_lower,
5849         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5850         branch offset encoding.
5851         (Arm_relocate_functions::thumb_branch_common): Use new branch
5852         offset encoding methods to avoid code duplication.
5853         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5854         (Stub_addend_reader::operator()): Use new branch encoding method
5855         to avoid code duplication.
5856
5857 2010-01-11  Doug Kwan  <dougkwan@google.com>
5858
5859         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5860         (Target_arm::do_finalize_sections): Define special EXIDX section
5861         symbols only if referenced.
5862         * gc.h (Garbage_collection::add_reference): New method.
5863         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5864         code duplication.
5865
5866 2010-01-11  Ian Lance Taylor  <iant@google.com>
5867
5868         * script.cc (Version_script_info::build_expression_list_lookup):
5869         Change complaing about duplicate wildcard match from error to
5870         warning.
5871
5872         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5873         of 2009-12-30.
5874         (Version_script_info::Version_script_info): Initialize globs_,
5875         default_version_, default_is_global_, and exact_.  Don't
5876         initialize globals_ or locals_.
5877         (Version_script_info::build_lookup_tables): Build local symbols
5878         first.
5879         (Version_script_info::unquote): New function.
5880         (Version_script_info::add_exact_match): New function.
5881         (Version_script_info::build_expression_list_lookup): Remove lookup
5882         parameter.  Add is_global parameter.  Change all callers.  Handle
5883         wildcard pattern specially.  Unquote pattern.  Call
5884         add_exact_match.
5885         (Version_script_info::get_name_to_match): New function.
5886         (Version_script_info::get_symbol_version): New function.
5887         (Version_script_info::get_symbol_version_helper): Remove.
5888         (Version_script_info::check_unmatched_names): Call unquote.
5889         * script.h (class Version_script_info): Change get_symbol_version
5890         to be non-inline and add is_global parameter; change all callers.
5891         Rewrite symbol_is_local.  Update declarations.  Define struct
5892         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5893         Remove globals_ and locals_ members.  Add exact_, globs_,
5894         default_version_, is_global_.
5895         (Version_script_info::Glob): Remove pattern, add expression and
5896         is_global.  Update constructor.  Change all callers.
5897         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5898         default version.
5899         (Versions::symbol_section_contents): If a symbol is undefined, or
5900         defined in a dynamic object, set the version index to
5901         VER_NDX_LOCAL.
5902         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5903         symbol_is_local.
5904         (Symbol_table::add_from_pluginobj): Likewise.
5905         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5906
5907 2010-01-11  Doug Kwan  <dougkwan@google.com>
5908
5909         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5910         (incremental_dump_LDADD): Add linking option for libintl.
5911         * Makefile.in: Regenerate.
5912
5913 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5914
5915         PR gold/11144
5916         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5917         instead of -Ds.
5918         * testsuite/Makefile.in: Regenerated.
5919
5920 2010-01-10  Doug Kwan  <dougkwan@google.com>
5921
5922         * options.h (DEFINE_var): Use parentheses around argument varname__
5923         in macro body to avoid any unintended subsequent substitutions.
5924
5925 2010-01-10  Ian Lance Taylor  <iant@google.com>
5926
5927         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5928         candidates before doing symbol resolution.
5929
5930         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5931         ODR candidates if only one is weak.
5932
5933 2010-01-08  Ian Lance Taylor  <iant@google.com>
5934
5935         * script.cc (Version_script_info::build_expression_list_lookup):
5936         Don't warn about ambiguous version, just record the ambiguity.
5937         (Version_script_info::get_symbol_version_helper): Give error if
5938         version is ambiguous.
5939
5940 2010-01-08  Doug Kwan  <dougkwan@google.com>
5941
5942         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5943           prev_data_size_ and prev_addralign_.  Remove initializer for
5944           deleted data member has_been_changed_.
5945           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5946           to determine if the table is empty.
5947           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5948           Remove.
5949           (Stub_table::add_reloc_stub): Define method in class definition
5950           instead of just declaring it there.
5951           (Stub_table::add_cortex_a8_stub): New method definition.
5952           (Stub_table::update_data_size_and_addralign): Ditto.
5953           (Stub_table::finalize_stubs): Ditto.
5954           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5955           (Stub_table::do_addralign_): Return address alignment in the
5956           (Stub_table::do_reset_address_and_file_offset): Define method in
5957           class definition instead of declaring it there.  Set current data
5958           size to be the data size of the previous pass.
5959           (Stub_table::set_final_data_size): Use current data size as the
5960           final data size.
5961           (Stub_table::relocate_stub): Change parameter type of stub from
5962           Reloc_stub pointer to Stub pointer.
5963           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5964           (Stub_table::Cortex_a8_stub_list): New typedef.
5965           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5966            Stub_table::prev_addralign_): New data member.
5967           (Arm_relobj::Arm_relobj): Initialize data member
5968           section_has_cortex_a8_workaround_.
5969           (Arm_relobj::section_has_cortex_a8_workaround,
5970            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5971            definitions.
5972           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5973           declarations.
5974           (Target_arm::relocate_stub): Change parameter type of stub from
5975           Reloc_stub pointer to Stub pointer.
5976           (Insn_template::size, Insn_template::alignment): Handle
5977           THUMB16_SPECIAL_TYPE.
5978           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5979            Stub_table::update_data_size_and_addralign,
5980            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5981           definitions.
5982           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5983           (Stub_table::do_write): Ditto.
5984           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5985
5986 2010-01-08  Ian Lance Taylor  <iant@google.com>
5987
5988         PR 11108
5989         * symtab.h (class Symbol): Remove fields is_target_special_ and
5990         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5991         (Symbol::is_defined_in_discarded_section): New function.
5992         (Symbol::set_is_defined_in_discarded_section): New function.
5993         (Symbol::has_plt_offset): Rewrite.
5994         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5995         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5996         Don't initialize is_target_special_ or has_plt_offset_.
5997         Initialize is_defined_in_discarded_section_.
5998         (Symbol_table::add_from_relobj): If appropriate, set
5999         is_defined_in_discarded_section.
6000         * resolve.cc (Symbol::override_base_with_special): Don't test
6001         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6002         * target-reloc.h (relocate_section): Do special handling for
6003         symbols defined in discarded sections for global symbols as well
6004         as local symbols.
6005
6006 2010-01-08  Ian Lance Taylor  <iant@google.com>
6007
6008         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6009         the SHT_SYMTAB case.
6010
6011 2010-01-08  Ian Lance Taylor  <iant@google.com>
6012
6013         * object.cc (Sized_relobj::do_layout): Don't get confused if
6014         layout_eh_frame returns NULL.
6015
6016 2010-01-08  Ian Lance Taylor  <iant@google.com>
6017
6018         PR 11084
6019         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6020         dynamic symbol table, use the normal symbol table.
6021         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6022         symbol table.
6023
6024 2010-01-08  Ian Lance Taylor  <iant@google.com>
6025
6026         PR 11072
6027         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6028         sections.
6029
6030 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6031
6032         * version.cc (print_version): Change to "Copyright 2010".
6033
6034 2010-01-08  Ian Lance Taylor  <iant@google.com>
6035
6036         PR 10287
6037         PR 11063
6038         * i386.cc (class Target_i386): Change return type of plt_section
6039         to be non-const.
6040         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6041         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6042         tls_desc_rel_ field.
6043         (Output_data_plt_i386::rel_tls_desc): New function.
6044         (Target_i386::rel_tls_desc_section): New function.
6045         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6046         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6047         R_386_TLS_DESC reloc in rel_tls_desc_section.
6048         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6049         Define struct Tlsdesc_info.
6050         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6051         (Target_x86_64::do_reloc_symbol_index): New function.
6052         (Target_x86_64::add_tlsdesc_info): New function.
6053         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6054         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6055         tlsdesc_rel_ field.
6056         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6057         all callers.
6058         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6059         (Target_x86_64::rela_tlsdesc_section): New function.
6060         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6061         handling.
6062         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6063         (Target_x86_64::do_reloc_addend): New function.
6064         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6065         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6066         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6067         (Output_reloc::type): New function.
6068         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6069         (Output_reloc::is_target_specific): New function.
6070         (Output_reloc::target_arg): New function.
6071         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6072         absolute relocs and target specific relocs.
6073         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6074         add_target_specific.
6075         (class Output_data_reloc) [SHT_RELA]: Likewise.
6076         * output.cc (Output_reloc::Output_reloc): Add four new versions
6077         for absolute relocs and target specific relocs.
6078         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6079         (Output_reloc::get_symbol_index): Likewise.
6080         (Output_reloc::local_section_offset): Check that local_sym_index_
6081         is not TARGET_CODE or 0.
6082         (Output_reloc::symbol_value): Likewise.
6083         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6084         reloc.
6085         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6086         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6087         functions.
6088         * layout.cc (add_target_dynamic_tags): Use output section for
6089         DT_PLTRELSZ and DT_JMPREL.
6090
6091 2010-01-07  Ian Lance Taylor  <iant@google.com>
6092
6093         PR 11061
6094         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6095         function.
6096         (class Output_data_reloc_generic): Define.
6097         (class Output_data_reloc_base): Change base class to
6098         Output_data_reloc_generic.  Change add() method to call
6099         bump_relative_reloc_count for a relative reloc.  Remove
6100         sort_relocs_ field.
6101         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6102         to sort_relocs().
6103         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6104         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6105         appropriate.
6106         * layout.h (class Layout): Update declaration.
6107
6108 2010-01-07  Ian Lance Taylor  <iant@google.com>
6109
6110         * output.h (class Output_data): Add const version of
6111         output_section and do_output_section.
6112         (class Output_section_data): Add const version of
6113         do_output_section.
6114         (class Output_section): Likewise.
6115         * layout.cc (Layout::add_target_dynamic_tags): New function.
6116         * layout.h (class Layout): Update declarations.
6117         * arm.cc (Target_arm::do_finalize_sections): Use
6118         add_target_dynamic_tags.
6119         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6120         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6121         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6122         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6123
6124 2010-01-07  Ian Lance Taylor  <iant@google.com>
6125
6126         PR 11042
6127         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6128         object as needed.
6129
6130 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6131             Ian Lance Taylor  <iant@google.com>
6132
6133         PR 11019
6134         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6135         Xindex::read_symtab_xindex.
6136
6137 2010-01-07  Doug Kwan  <dougkwan@google.com>
6138
6139         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6140         (Insn_template::thumb16_bcond_insn): New method declaration.
6141         (Insn_template): Fix spelling.
6142         (Stub::thumb16_special): New method declaration.
6143         (Stub::do_write): Define virtual method which was previously pure
6144         virtual.
6145         (Stub::do_thumb16_special): New method declaration.
6146         (Stub::do_fixed_endian_write): New template member.
6147         (Reloc_stub::do_write): Remove.
6148         (Reloc_stub::do_fixed_endian_write): Remove.
6149         (Cortex_a8_stub): New class definition.
6150         (Stub_factory::make_cortex_a8_stub): New method definition.
6151         (Stub_factory::Stub_factory): Add missing static storage class
6152         qualifier for elf32_arm_stub_a8_veneer_blx.
6153
6154 2010-01-07  Ian Lance Taylor  <iant@google.com>
6155
6156         PR 10980
6157         * options.h (class General_options): Add --warn-unresolved-symbols
6158         and --error-unresolved-symbols.
6159         * errors.cc (Errors::undefined_symbol): Implement
6160         --warn-unresolved-symbols.
6161
6162         * options.h (class General_options): Add -z text and -z textoff.
6163         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6164
6165 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6166
6167         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6168         (Garbage_collection::cident_sections): New function.
6169         (Garbage_collection::add_cident_section): New function.
6170         (Garbage_collection::cident_sections_): New member.
6171         (gc_process_relocs): Add references to sections whose names are C
6172         identifiers.
6173         * gold.h (cident_section_start_prefix): New constant.
6174         (cident_section_stop_prefix): New constant.
6175         (is_cident): New function.
6176         * layout.cc (Layout::define_section_symbols): Replace string constants
6177         with the newly defined constants.
6178         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6179         C identifiers.
6180         * testsuite/Makefile.am: Add gc_orphan_section_test.
6181         * testsuite/Makefile.in: Regenerate.
6182         * testsuite/gc_orphan_section_test.cc: New file.
6183         * testsuite/gc_orphan_section_test.sh: New file.
6184
6185 2010-01-06  Ian Lance Taylor  <iant@google.com>
6186
6187         PR 10980
6188         * options.h (class General_options): Add --warn-shared-textrel.
6189         * layout.cc (Layout::finish_dynamic_section): Implement
6190         --warn-shared-textrel.
6191
6192         PR 10980
6193         * options.h (class General_options): Add --warn-multiple-gp.
6194
6195 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6196
6197         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6198         $(THREADSLIB) and $(LIBDL).
6199         * Makefile.in: Rebuild.
6200
6201 2010-01-06  Ian Lance Taylor  <iant@google.com>
6202
6203         PR 10980
6204         * options.cc (General_options::parse_section_start): New function.
6205         (General_options::section_start): New function.
6206         (General_options::General_options): Initialize all members.
6207         * options.h: Include <map>
6208         (class General_options): Add --section-start.  Add section_starts_
6209         member.
6210         * layout.cc (Layout::attach_allocated_section_to_segment): If
6211         --section-start was used, set the address of the segment.  Remove
6212         local sort_sections.
6213         (Layout::relaxation_loop_body): If the address of the load segment
6214         has been set by --section-start, don't use it.
6215         * output.h (Output_segment::update_flags_for_output_section): New
6216         function.
6217         * output.cc (Output_segment::add_output_section): Call
6218         update_flags_for_output_section.
6219
6220 2010-01-05  Ian Lance Taylor  <iant@google.com>
6221
6222         PR 10980
6223         * options.h (class General_options): Add --undefined-version.
6224         * script.cc (struct Version_expression): Add was_matched_by_symbol
6225         field.
6226         (Version_script_info::matched_symbol): New function.
6227         (Version_script_info::get_symbol_version_helper): Call
6228         matched_symbol.
6229         (Version_script_info::check_unmatched_names): New function.
6230         * script.h (class Version_script_info): Update declarations.
6231         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6232
6233         * options.h (class General_options): Use DEFINE_bool_alias for
6234         allow_multiple_definition.
6235         * resolve.cc (Symbol_table::should_override): Don't test
6236         allow_multiple_definition.
6237
6238         PR 10980
6239         * options.h (class General_options): Add --cref.
6240         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6241         until after printing cref table.
6242         * cref.cc: Include "symtab.h".
6243         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6244         (Cref_table_compare::operator()): New function.
6245         (Cref_inputs::gather_cref): New function.
6246         (filecol): New static const.
6247         (Cref_inputs::print_cref): New function.
6248         (Cref::print_cref): New function.
6249         * cref.h: Include <cstdio>.
6250         (class Cref): Update declarations.
6251         * mapfile.h (Mapfile::file): New function.
6252         * object.h (class Object): Define Symbols.  Declare virtual
6253         do_get_global_symbols.
6254         (Object::get_global_symbols): New function.
6255         * object.cc (Input_objects::add_object): Pass object to cref_ if
6256         --cref.
6257         (Input_objects::archive_start): Likewise.
6258         (Input_objects::archive_stop): Likewise.
6259         (Input_objects::print_cref): New function.
6260         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6261         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6262         --cref.
6263         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6264         function.
6265         * plugin.h (class Sized_pluginobj): Update declarations.
6266
6267 2010-01-05  Ian Lance Taylor  <iant@google.com>
6268
6269         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6270         to is_default_version.  Rename insdef to insdefault.
6271         (Symbol_table::add_from_relobj): Rename def to is_default_version
6272         and local to is_forced_local.
6273         (Symbol_table::add_from_pluginobj): Likewise.
6274         (Symbol_table::add_from_dynobj): Likewise.
6275         (Symbol_table::define_special_symbol): Rename insdef to
6276         insdefault.
6277
6278 2010-01-04  Ian Lance Taylor  <iant@google.com>
6279
6280         PR 10980
6281         * options.h (class General_options): Add
6282         --allow-multiple-definition and -z muldefs.
6283         * resolve.cc (Symbol_table::should_override): Don't warn about a
6284         multiple symbol definition if --allow-multiple-definition or -z
6285         muldefs.
6286
6287         PR 10980
6288         * options.h (class General_options): Add --add-needed and
6289         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6290         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6291         error if --copy-dt-needed-entries aka --add-needed is used and
6292         would cause a change in behaviour.
6293
6294         PR 10980
6295         * options.h (class General_options): Add -G as a short version of
6296         --shared.  Add no-op options -assert, -g, and -i.
6297
6298 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6299
6300         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6301         check for .text or .gnu.linkonce.t sections.
6302         * icf.cc (Icf::find_identical_sections): Ditto.
6303         Change the detection for mangled function name within the section
6304         name.
6305         * icf.h (is_section_foldable_candidate): New function.
6306
6307 2009-12-30  Ian Lance Taylor  <iant@google.com>
6308
6309         PR 10980
6310         * options.h (class General_options): Permit two dashes with
6311         --retain-symbols-file.
6312
6313 2009-12-30  Ian Lance Taylor  <iant@google.com>
6314
6315         PR 10979
6316         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6317         don't put the file header and segment headers in the text
6318         segment.
6319
6320         PR 10979
6321         * common.cc (Sort_commons::operator()): Stabilize sort when both
6322         entries are NULL.
6323         (Symbol_table::do_allocate_commons_list): When allocating common
6324         symbols, skip a symbol which is no longer common.
6325         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6326         an object before checking its type.
6327         * testsuite/common_test_2.c: New file.
6328         * testsuite/common_test_3.c: New file.
6329         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6330         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6331         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6332         (common_test_2_pic.o, common_test_2.so): New targets.
6333         (common_test_3_pic.o, common_test_3.so): New targets.
6334         * testsuite/Makefile.in: Rebuild.
6335
6336         PR 10979
6337         * script.cc (read_input_script): If we see a new SECTIONS clause,
6338         and we have added an input section, give an error.
6339         * layout.h (class Layout): Add have_added_input_section function.
6340         Add have_added_input_section_ field.
6341         * layout.cc (Layout::Layout): Initialize
6342         have_added_input_section_.
6343         (Layout::layout): Set have_added_input_section_.
6344         (Layout::layout_eh_frame): Likewise.
6345
6346 2009-12-30  Ian Lance Taylor  <iant@google.com>
6347
6348         PR 10931
6349         * options.h (class General_options): Add --sort-common option.
6350         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6351         * common.cc (Sort_common): Add sort_order parameter to
6352         constructor.  Add sort_order_ field.
6353         (Sort_commons::operator): Check sort_order_.
6354         (Symbol_table::allocate_commons): Determine the sort order.
6355         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6356         Change all callers.
6357         (Symbol_table::do_allocate_commons_list): Likewise.
6358
6359 2009-12-30  Ian Lance Taylor  <iant@google.com>
6360
6361         PR 10916
6362         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6363         symbols from this object, don't change the visibility of an
6364         undefined symbol.
6365         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6366
6367 2009-12-30  Ian Lance Taylor  <iant@google.com>
6368
6369         PR 10861
6370         * script.h (class Version_script_info): Define Language enum.
6371         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6372         new fields globals_, locals_, and is_finalized_.
6373         * script.cc: Various formatting fixes.
6374         (class Parser_closure): Change language_stack_ from a vector of
6375         std::string to one of Version_script_info::Language.  Adjust all
6376         uses accordingly.
6377         (class Lazy_demangler): Remove.
6378         (struct Version_expression): Change language from std::string to
6379         Version_script_info::Language.
6380         (Version_script_info::Version_script_info): New function.
6381         (Version_script_info::~Version_script_info): Don't call clear.
6382         (Version_script_info::finalize): New function.
6383         (Version_script_info::build_lookup_tables): New function.
6384         (Version_script_info::build_expression_list_lookup): New
6385         function.
6386         (Version_script_info::get_symbol_version_helper): Rewrite to use
6387         lookup tables.
6388         (Version_script_info::print_expression_list): Adjust to use
6389         Version_script_info::Language.
6390         (script_push_lex_into_version_mode): Check that the version script
6391         has not been finalized.
6392         (version_script_push_lang): Change language string to
6393         Version_script_info::Language.
6394         * options.cc (Command_line::version_script): New function.
6395         * options.h (class General_options): Add finalize_dynamic_list
6396         function.  Change version_script from declaration to definition.
6397         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6398         * testsuite/version_script.map: Remove duplicate def of foo.
6399         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6400         version_script.map.
6401         * testsuite/Makefile.in: Rebuild.
6402
6403 2009-12-30  Ian Lance Taylor  <iant@google.com>
6404
6405         PR 10843
6406         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6407         if the input symbol index is 0, make the output symbol index 0.
6408
6409 2009-12-30  Ian Lance Taylor  <iant@google.com>
6410
6411         PR 10670
6412         * options.h (class General_options): Add -x/--discard-all.
6413         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6414         --discard-all.  If the local symbol needs a dynamic entry, check
6415         that before handling --discard-locals.
6416
6417 2009-12-30  Ian Lance Taylor  <iant@google.com>
6418
6419         PR 10450
6420         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6421         flags to PF_R.
6422         (Output_segment::add_output_section): Don't change the flags if
6423         the type is PT_TLS.
6424
6425         PR 10450
6426         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6427         GNU hash table if they need a dynamic value.  Otherwise, don't add
6428         them if they are defined in a dynamic object or are forced local.
6429
6430 2009-12-29  Ian Lance Taylor  <iant@google.com>
6431
6432         PR 10450
6433         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6434         .gnu.hash table for a 32-bit target.
6435
6436         PR 10450
6437         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6438         regular and a dynamic object only needs a dynamic symbol table
6439         entry if it is externally visible.
6440
6441         PR 10450
6442         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6443         constructor.  Add global_offset_table_ field.
6444         (Target_i386::got_section): Set global_offset_table_.
6445         (Target_i386::do_finalize_sections): Set global_offset_table_
6446         size.
6447         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6448         in constructor.  Add global_offset_table_ field.
6449         (Target_x86_64::got_section): Set global_offset_table_.
6450         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6451         size.
6452
6453         * layout.cc (Layout::Layout): Initialize increase_relro_.
6454         (Layout::get_output_section): Add is_relro, is_last_relro, and
6455         is_first_non_relro parameters.  Change all callers.
6456         (Layout::choose_output_section): Likewise.
6457         (Layout::add_output_section_data): Likewise.
6458         (Layout::make_output_section): Likewise.
6459         (Layout::set_segment_offsets): Clear increase_relro when using a
6460         linker script.
6461         * layout.h (class Layout): Add increase_relro method.  Add
6462         increase_relro_ field.  Update declarations.
6463         * output.cc (Output_section::Output_section): Initialize
6464         is_last_relro_ and is_first_non_relro_.
6465         (Output_segment::add_output_section): Group relro sections is
6466         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6467         (Output_segment::maximum_alignment): Remove relro handling.
6468         (Output_segment::set_section_addresses): Add increase_relro
6469         parameter.  Change all callers.  Add initial alignment to align
6470         relro sections on separate page.  Remove old relro handling.
6471         (Output_segment::set_section_list_addresses): Remove in_relro
6472         parameter.  Change all callers.
6473         (Output_segment::set_offset): Add increase parameter.  Change all
6474         callers.  Remove old relro handling.
6475         * output.h (class Output_section): Add new methods: is_last_relro,
6476         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6477         Add is_last_relro_ and is_first_non_relro_ fields.
6478         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6479         Create separate .got.plt section.  Call increase_relro.
6480         * x86_64.cc (Target_x86_64::got_section): Likewise.
6481         * testsuite/relro_script_test.t: Add .got.plt.
6482
6483         PR 10450
6484         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6485         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6486         (Layout::finalize): Call set_dynamic_symbol_size.
6487         (Layout::set_dynamic_symbol_size): New function.
6488         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6489         set_dynamic_symbol_size.
6490
6491         PR 10450
6492         * output.h (class Output_section): Add is_entsize_zero_ field.
6493         * output.cc (Output_section::Output_section): Initialize
6494         is_entsize_zero_.
6495         (Output_section::set_entsize): If two different entsizes are
6496         requested, force it to zero.
6497         (Output_section::add_input_section): Set flags for .debug_str
6498         before updating section flags.  Set entsize.
6499         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6500         and SHF_STRING if all input sections have those flags.
6501
6502 2009-12-29   Rafael Espindola  <espindola@google.com>
6503
6504         * main.cc (main): Fix the sys time reporting.
6505         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6506         reporting.
6507
6508 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6509
6510         * options.cc (General_options::parse_version): Allow -v to exit
6511         without an error if there is nothing to link.
6512
6513 2009-12-29  Ian Lance Taylor  <iant@google.com>
6514
6515         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6516         using a version of gcc before 4.1.
6517         * configure: Rebuild.
6518
6519 2009-12-28  Chris Demetriou  <cgd@google.com>
6520
6521         * attributes.cc (Output_attributes_section_data::do_write): Use
6522         std::vector::front rather than std::vector::data.
6523
6524 2009-12-28  Ian Lance Taylor  <iant@google.com>
6525
6526         * symtab.h (class Symbol_table): Add enum Defined.
6527         * resolve.cc (Symbol_table::should_override): Add defined
6528         parameter.  Change all callers.  Test whether object is NULL
6529         before calling a method on it.
6530         (Symbol_table::report_resolve_problem): Add defined parameter.
6531         Change all callers.
6532         (Symbol_table::should_override_with_special): Likewise.
6533         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6534         parameter.  Change all callers.
6535         (Symbol_table::do_define_in_output_data): Likewise.
6536         (Symbol_table::define_in_output_segment): Likewise.
6537         (Symbol_table::do_define_in_output_segment): Likewise.
6538         (Symbol_table::define_as_constant): Likewise.
6539         (Symbol_table::do_define_as_constant): Likewise.
6540         * script.h (class Symbol_assignment): Add is_defsym parameter to
6541         constructor; change all callers.
6542         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6543         parameter.  Change all callers.  Add is_defsym_ field.
6544         (class Parser_closure): Add parsing_defsym parameter to
6545         constructor; change all callers.  Add parsing_defsym accessor
6546         function.  Add parsing_defsym_ field.
6547
6548 2009-12-28  Ian Lance Taylor  <iant@google.com>
6549
6550         * gold.cc (queue_middle_tasks): Fix formatting.
6551         * object.cc (Relobj::is_section_name_included): Likewise.
6552
6553 2009-12-23  Ian Lance Taylor  <iant@google.com>
6554
6555         * i386.cc (Target_i386::do_calls_non_split): Recognize
6556         -fsplit-stack prologue for a function with a static chain.
6557         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6558         -fsplit-stack prologue when using %r11.
6559
6560 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6561
6562         * options.cc (General_options::parse_version): Make -v continue and do
6563         the link like GNU ld does.
6564
6565 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6566
6567         * Makefile.am (CCFILES): Add timer.cc.
6568         (HFILES): Add timer.h.
6569         * configure.ac: Check for sysconf and times.
6570         * main.cc: include timer.h.
6571         (main): Use Timer instead of get_run_time.
6572         * timer.cc: New.
6573         * timer.h: New.
6574         * workqueue.cc: include timer.h.
6575         (Workqueue::find_and_run_task):
6576         Report user, sys and wall time.
6577         * Makefile.in: Regenerate.
6578         * config.in: Regenerate.
6579         * configure: Regenerate.
6580
6581 2009-12-16  Doug Kwan  <dougkwan@google.com>
6582
6583         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6584         sections.
6585         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6586         relaxed input sections.
6587         * output.cc (Output_section::find_relaxed_input_section): Change
6588         return type to Output_relaxed_input_section pointer.  Adjust code
6589         for new type of relaxed_input_section_map_.
6590         * output.h (Output_section::find_relaxed_input_section): Change
6591         return type to Output_relaxed_input_section pointer.
6592         (Output_section::Output_relaxed_input_section_by_input_section_map):
6593         New type.
6594         (Output_section::relaxed_input_section_map_): Change type to
6595         Output_section::Output_relaxed_input_section_by_input_section_map.
6596         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6597         input section.
6598
6599 2009-12-15  Ian Lance Taylor  <iant@google.com>
6600
6601         * layout.cc (Layout::create_shstrtab): Only write out after input
6602         sections if we are compressing debug sections.
6603
6604 2009-12-15  Ian Lance Taylor  <iant@google.com>
6605
6606         * archive.cc (Archive::add_symbols): Only look up a symbol without
6607         a version if there is, in fact, a version.
6608
6609 2009-12-14  Ian Lance Taylor  <iant@google.com>
6610
6611         Revert -Wshadow changes, all changes from:
6612         2009-12-11  Doug Kwan  <dougkwan@google.com>
6613         2009-12-11  Nick Clifton  <nickc@redhat.com>
6614         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6615
6616 2009-12-11  Doug Kwan  <dougkwan@google.com>
6617
6618         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6619         due to -Wshadow.
6620         * attributes.cc (Object_attribute::size): Ditto.
6621         (Attributes_section_data::size): Ditto.
6622         (Attributes_section_data::Attributes_section_data): Ditto.
6623         (Output_attributes_section_data::do_write): Ditto.
6624         * attributes.h (Object_attribute::set_type): Ditto.
6625         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6626
6627 2009-12-11  Nick Clifton  <nickc@redhat.com>
6628
6629         * archive.cc: Fix shadowed variable warnings.
6630         * arm.cc: Likewise.
6631         * compressed_output.cc: Likewise.
6632         * compressed_output.h: Likewise.
6633         * configure: Likewise.
6634         * dwarf_reader.cc: Likewise.
6635         * dynobj.cc: Likewise.
6636         * dynobj.h: Likewise.
6637         * ehframe.cc: Likewise.
6638         * ehframe.h: Likewise.
6639         * errors.cc: Likewise.
6640         * expression.cc: Likewise.
6641         * fileread.cc: Likewise.
6642         * fileread.h: Likewise.
6643         * freebsd.h: Likewise.
6644         * i386.cc: Likewise.
6645         * icf.cc: Likewise.
6646         * incremental.h: Likewise.
6647         * layout.cc: Likewise.
6648         * layout.h: Likewise.
6649         * mapfile.cc: Likewise.
6650         * merge.cc: Likewise.
6651         * merge.h: Likewise.
6652         * object.cc: Likewise.
6653         * object.h: Likewise.
6654         * options.h: Likewise.
6655         * output.cc: Likewise.
6656         * output.h: Likewise.
6657         * parameters.cc: Likewise.
6658         * plugin.cc: Likewise.
6659         * powerpc.cc: Likewise.
6660         * reduced_debug_output.cc: Likewise.
6661         * reduced_debug_output.h: Likewise.
6662         * reloc.cc: Likewise.
6663         * reloc.h: Likewise.
6664         * resolve.cc: Likewise.
6665         * script-sections.cc: Likewise.
6666         * script.cc: Likewise.
6667         * script.h: Likewise.
6668         * sparc.cc: Likewise.
6669         * symtab.cc: Likewise.
6670         * symtab.h: Likewise.
6671         * target-select.cc: Likewise.
6672         * target-select.h: Likewise.
6673         * token.h: Likewise.
6674         * workqueue.cc: Likewise.
6675         * workqueue.h: Likewise.
6676         * x86_64.cc: Likewise.
6677
6678 2009-12-10  Doug Kwan  <dougkwan@google.com>
6679
6680         * arm.cc (attributes.h): New include.
6681         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6682         (Arm_relobj::~Arm_relobj): Delete object pointed by
6683         attributes_section_data_.
6684         (Arm_relobj::attributes_section_data): New method definition.
6685         (Arm_relobj::attributes_section_data_): New data member declaration.
6686         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6687         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6688         attributes_section_data_.
6689         (Arm_dynobj::attributes_section_data): New method definition.
6690         (Arm_dynobj::attributes_section_data_): New data member declaration.
6691         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6692         initialization value of may_use_blx_ to false.
6693         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6694         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6695         object attributes to compute results instead of hard-coding.
6696         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6697         Target_arm::get_secondary_compatible_arch,
6698         Target_arm::set_secondary_compatible_arch
6699         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6700         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6701         New method declarations.
6702         (Target_arm::get_aeabi_object_attribute): New method definition.
6703         (Target_arm::attributes_section_data_): New data member declaration.
6704         (read_arm_attributes_section): New template definition.
6705         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6706         (Arm_dynobj::do_read_symbols): Ditto.
6707         (Target_arm::do_finalize_sections): Merge attributes sections from
6708         input.  Check for BLX use after attributes section merging.
6709         Fix __exidx_start and __exidx_end visibility.  Create an
6710         .ARM.attributes section if necessary.
6711         (Target_arm::get_secondary_compatible_arch,
6712         Target_arm::set_secondary_compatible_arch,
6713         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6714         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6715         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6716         New method definitions.
6717
6718 2009-12-09  Ian Lance Taylor  <iant@google.com>
6719
6720         * plugin.cc (Plugin::load): Don't cast from void* to a function
6721         pointer.
6722
6723 2009-12-09  Ian Lance Taylor  <iant@google.com>
6724
6725         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6726         information fields.
6727
6728 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6729
6730         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6731         Replace two_file_shared_1.so with two_file_shared_2.so.
6732         * testsuite/Makefile.in: Regenerated.
6733
6734 2009-12-08  Doug Kwan  <dougkwan@google.com>
6735
6736         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6737         (HFILES): Add attributes.h and int_encoding.h.
6738         * Makefile.in: Regenerate.
6739         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6740         function definitions to int_encoding.cc
6741         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6742         prototypes to int_encoding.h
6743         * reduced_debug_output.cc (int_encoding.h): New include.
6744         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6745         function definitions to int_encoding.cc
6746         (insert_into_vector, read_from_pointer): Move template definitions to
6747         int_encoding.h
6748         * attributes.cc: New file.
6749         * attributes.h: New file.
6750         * int_encoding.cc: New file.
6751         * int_encoding.h: New file.
6752
6753 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6754
6755         PR gold/11055
6756         * incremental-dump.cc (dump_incremental_inputs): New.
6757         (main): Use dump_incremental_inputs.
6758
6759 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6760
6761         PR gold/10893
6762         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6763         checking elfcpp::STT_FUNC.
6764         (Target_i386::Relocate::relocate): Likewise.
6765         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6766
6767         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6768         symbols from shared libraries into normal FUNC symbols.
6769
6770         * symtab.h (Symbol): Add is_func and use it.
6771
6772 2009-12-05  Doug Kwan  <dougkwan@google.com>
6773
6774         * arm.cc (Target_arm::arm_info): Initialize new fields
6775         attributes_section and attributes_vendor.
6776         * i386.cc (Target_i386::i386_info): Same.
6777         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6778         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6779         fields attributes_section and attributes_vendor.
6780         * sparc.cc (Target_sparc::sparc_info): Same.
6781         * target.h (Target::attributes_section, Target::attributes_vendor,
6782         Target::is_attributes_section, Target::attribute_arg_type,
6783         Target::attributes_order): New method definitions.
6784         (Target::Target_info::attributes_section,
6785         Target::Target_info::attributes_vendor): New fields.
6786         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6787         virtual method definitions.
6788         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6789         attributes_section and attributes_vendor.
6790         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6791
6792 2009-12-05  Doug Kwan  <dougkwan@google.com>
6793
6794         * arm.cc: Update comments about interworking and stub generation.
6795         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6796         considered as non-PIC.
6797         (Arm_relocate_functions::base_abs): Fix formatting.
6798         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6799         of function to use GOT entry address instead of offset.
6800         (Target_arm::Scan::global): Issue an error if a symbol would need a
6801         PLT does not get one because it is untyped.  Remove code to create
6802         dynamic symbols for relative branches.
6803         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6804         takes unsigned integer instead of boolean.
6805
6806 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6807
6808         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6809         (two_file_test_LDADD): Likewise.
6810         (common_test_1_LDADD): Likewise.
6811         (exception_test_LDADD) Likewise.
6812         (weak_test_LDADD): Likewise.
6813         (many_sections_test_LDADD): Likewise.
6814         (initpri1_LDADD): Likewise.
6815         (script_test_1_LDADD): Likewise.
6816         (script_test_2_LDADD): Likewise.
6817         (justsyms_LDADD): Likewise.
6818         (binary_test_LDADD): Likewise.
6819         (large_LDADD): Likewise.
6820         * testsuite/Makefile.in: Regenerated.
6821
6822 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6823
6824         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6825         (Symbol_table::override_with_special): Likewise.
6826         (Symbol_table::add_from_object): Likewise.
6827
6828 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6829
6830         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6831         Don't set the data_offset twice.
6832
6833 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6834
6835         * testsuite/Makefile.in: Regenerate.
6836
6837 2009-12-03  Doug Kwan  <dougkwan@google.com>
6838
6839         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6840         (Target_arm::do_finalize_sections): Add parameter for symbol table
6841         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6842         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6843         parameter for symbol table pointer.
6844         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6845         an additional parameter for a pointer to symbol table.
6846         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6847         parameter for a symbol table pointer.
6848         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6849         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6850         Ditto.
6851         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6852         parameter for a symbol table pointer.
6853
6854 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6855
6856         * incremental.cc (Incremental_inputs_header)
6857         (Incremental_inputs_header_write, Incremental_inputs_entry)
6858         (Incremental_inputs_entry_write): Move ...
6859         * incremental.h (Incremental_inputs_header)
6860         (Incremental_inputs_header_write, Incremental_inputs_entry)
6861         (Incremental_inputs_entry_write): here.
6862
6863 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6864
6865         * incremental.cc (make_sized_incremental_binary): Set the target.
6866         Error if it is incompatible.
6867         * output.h (Output_file): Add filename method.
6868
6869 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6870
6871         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6872         from the get_* methods.
6873
6874 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6875
6876         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6877         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6878         Write 0 for the data_offset of scripts.
6879
6880 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6881
6882         * testsuite/Makefile.am: Add the incremental_test.sh test.
6883         * testsuite/incremental_test.sh: New.
6884         * testsuite/incremental_test_1.c: New.
6885         * testsuite/incremental_test_2.c: New.
6886
6887 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6888
6889        * incremental-dump.cc (main): Fix typos.
6890
6891 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6892
6893         PR gold/11025
6894         * incremental-dump.cc (main): Use llu to print 64 bit values.
6895
6896 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6897             H.J. Lu  <hongjiu.lu@intel.com>
6898
6899         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6900         $(LIBDL).
6901         (incremental_dump_LDADD): Likewise.
6902         * Makefile.in: Regenerated.
6903
6904 2009-11-25  Doug Kwan  <dougkwan@google.com>
6905
6906         Revert:
6907
6908         2009-11-25  Doug Kwan  <dougkwan@google.com>
6909
6910                 * arm.cc (Target_arm::Target_arm): Move method definition
6911                 outside of class definition.  Add code to handle
6912                 --target1-rel, --target1-abs and --target2= options.
6913                 (Target_arm::get_reloc_reloc_type): Change method to be
6914                 non-static and const.
6915                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6916                 New data member declaration.
6917                 (Target_arm::Scan::local, Target_arm::Scan::global,
6918                 Target_arm::Relocate::relocate,
6919                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6920                 Adjust call to Target_arm::get_real_reloc_type.
6921                 (Target_arm::get_real_reloc_type): Use command line options
6922                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6923                 * options.h (--target1-rel, --target1-abs, --target2): New
6924                 ARM-only options.
6925
6926 2009-11-25  Doug Kwan  <dougkwan@google.com>
6927
6928         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6929         class definition.  Add code to handle --target1-rel, --target1-abs
6930         and --target2= options.
6931         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6932         and const.
6933         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6934         member declaration.
6935         (Target_arm::Scan::local, Target_arm::Scan::global,
6936         Target_arm::Relocate::relocate,
6937         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6938         call to Target_arm::get_real_reloc_type.
6939         (Target_arm::get_real_reloc_type): Use command line options to
6940         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6941         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6942         options.
6943
6944 2009-11-25  Doug Kwan  <dougkwan@google.com>
6945
6946         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6947         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6948         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6949         formatting.
6950         (Arm_relocate_functions::thm_call): Replace body with a call to
6951         Arm_relocate_functions::thumb_branch_common.
6952         (Arm_relocate_functions::thm_jump24,
6953         Arm_relocate_functions::thm_xpc22): New method definitions.
6954         (Arm_relocate_functions::thumb_branch_common): New method definition.
6955         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6956         operator.
6957         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6958         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6959
6960 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6961
6962         * Makefile.am: Build incremental-dump
6963         * Makefile.in: Regenerate.
6964         * incremental-dump.cc: New.
6965         * incremental.cc (Incremental_inputs_header_data,
6966         Incremental_inputs_entry_data): Move to incremental.h
6967         * incremental.h: (Incremental_inputs_header_data,
6968         Incremental_inputs_entry_data): Move from incremental.cc
6969
6970 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6971
6972         * incremental.cc (Incremental_inputs_header,
6973         Incremental_inputs_header_write, Incremental_inputs_entry,
6974         Incremental_inputs_entry_write): Add a typedef with the data type.
6975
6976 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6977
6978         * incremental.cc (Incremental_inputs_header,
6979         Incremental_inputs_header_write, Incremental_inputs_entry,
6980         Incremental_inputs_entry_write): Update comment about which
6981         type has the filed descriptions.
6982
6983 2009-11-15  Doug Kwan  <dougkwan@google.com>
6984
6985         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6986         (Arm_relocate_functions::arm_branch_common): Change method defintion
6987         in class definition to a method declaration and update list of formal
6988         parameters.
6989         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6990         Arm_relocation_functions::jump24): Adjust call to
6991         Arm_relocate_functions::arm_branch_common.  Update list of formal
6992         parameters.
6993         (Arm_relocate_functions::xpc25): New method definition.
6994         (Arm_relocate_functions::arm_branch_common): Move method defintion
6995         out from class definition.  Use stubs for mode-switching and extending
6996         branch ranges.
6997         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6998         specially.  Change code to enable use of stubs in ARM branches.
6999
7000 2009-11-10  Doug Kwan  <dougkwan@google.com>
7001
7002         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7003         in method declaration.
7004         (Target_arm::relocate_stub): New method declaration.
7005         (Target_arm::default_target): Change to return a pointer instead of
7006         a const reference.
7007         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7008         Target_arm::default_target.
7009         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7010         method definition.
7011         (Target_arm::relocate_section): Adjust view.
7012         (Target_arm::relocate_stub): New method definition.
7013
7014 2009-11-10  Doug Kwan  <dougkwan@google.com>
7015
7016         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7017         a format warning.
7018         * incremental.cc (open_incremental_binary): Initialized local
7019         variables to avoid warnings.
7020         * object.cc (make_elf_object): Ditto.
7021         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7022         a format warning.
7023
7024 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7025
7026         PR gold/10930
7027         * testsuite/plugin_test.c: Include "config.h".
7028
7029 2009-11-09  Doug Kwan  <dougkwan@google.com>
7030
7031         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7032         (arm_symbol_value): Remove.
7033         (Arm_relocate_functions::arm_branch_common,
7034         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7035         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7036         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7037         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7038         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7039         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7040         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7041         Arm_relocate_functions::thm_mobw_abs_nc,
7042         Arm_relocate_functions::thm_mov_abs,
7043         Arm_relocate_functions::movw_prel_nc,
7044         Arm_relocate_functions::thm_movt_abs,
7045         Arm_relocate_functions::movt_prel,
7046         Arm_relocate_functions::thm_movw_prel_nc,
7047         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7048         (Target_arm::Relocate::relocate): Only decompose address into two
7049         parts if relocation type uses the thumb-bit and pass the actual
7050         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7051         calls to methods in Arm_relocate_functions for this change.
7052
7053 2009-11-08  Ian Lance Taylor  <iant@google.com>
7054
7055         PR 10925
7056         * reloc.cc: Instantiate
7057         Sized_relobj::initialize_input_to_output_maps and
7058         Sized_relobj:free_input_to_output_maps.
7059
7060 2009-11-06  Ian Lance Taylor  <iant@google.com>
7061
7062         PR 10876
7063         * defstd.cc (in_segment): Set only_if_ref true for "end".
7064
7065 2009-11-06  Doug Kwan  <dougkwan@google.com>
7066
7067         * arm.cc (class Reloc_stub): Correct a comment.
7068         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7069         (Target_arm::scan_section_for_stubs): New method declaration.
7070         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7071         Change methods from private to protected.
7072         (Target_arm::do_may_relax): New method definition.
7073         (Target_arm::do_relax, Target_arm::group_sections,
7074         Target_arm::scan_reloc_for_stub,
7075         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7076         (Target_arm::arm_input_section_map_): New data member declaration.
7077         (Target_arm::scan_reloc_for_stub,
7078         Target_arm::scan_reloc_section_for_stubs,
7079         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7080         Target_arm::do_relax): New method definitions.
7081
7082 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7083
7084         * configure.ac: Check for (struct stat)::st_mtim
7085         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7086         * config.in: Regenerate.
7087         * configure: Regenerate.
7088
7089 2009-11-05  Ian Lance Taylor  <iant@google.com>
7090
7091         PR 10910
7092         * output.cc (Output_segment::add_output_section): Add missing
7093         return statement.
7094
7095 2009-11-04  Ian Lance Taylor  <iant@google.com>
7096
7097         PR 10880
7098         * object.h (class Object): Add is_needed and set_is_needed
7099         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7100         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7101         defined in a dynamic object and referenced by a regular object,
7102         set is_needed for the dynamic object.
7103         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7104         if the file is marked with as_needed and it is not needed.
7105
7106 2009-11-04  Ian Lance Taylor  <iant@google.com>
7107
7108         PR 10887
7109         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7110         tags if data is discarded by linker script.
7111         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7112         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7113         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7114         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7115
7116 2009-11-04  Ian Lance Taylor  <iant@google.com>
7117
7118         * layout.cc (Layout::get_output_section): Add is_interp and
7119         is_dynamic_linker_section parameters.  Change all callers.
7120         (Layout::choose_output_section): Likewise.
7121         (Layout::make_output_section): Likewise.
7122         (Layout::add_output_section_data): Add is_dynamic_linker_section
7123         parameter.  Change all callers.
7124         * layout.h (class Layout): Update declarations.
7125         * output.h (class Output_section): Add is_interp, set_is_interp,
7126         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7127         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7128         generate_code_fills_at_write_ to a bitfield.
7129         * output.cc (Output_section::Output_sections): Initialize new
7130         fields.
7131         (Output_segment::add_output_section): Add do_sort parameter.
7132         Change all callers.
7133
7134 2009-11-03  Ian Lance Taylor  <iant@google.com>
7135
7136         PR 10860
7137         * options.h (class General_options): Add --warn-common.
7138         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7139         merging two common symbols.
7140         (Symbol_table::should_override): Handle --warn-common when merging
7141         a common symbol with a defined symbol.  Use report_resolve_problem
7142         for multiple definitions.
7143         (Symbol_table::report_resolve_problem): New function.
7144         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7145
7146 2009-11-03  Doug Kwan  <dougkwan@google.com>
7147
7148         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7149         stub_factory_.
7150         (Target_arm::stub_factory): New method definition.
7151         (Target_arm::new_arm_input_section,
7152         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7153         Target_arm::reloc_uses_thumb_bit): New method declarations.
7154         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7155         New type definitions.
7156         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7157         member declarations.
7158         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7159         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7160         New method definitions.
7161
7162 2009-11-03  Ian Lance Taylor  <iant@google.com>
7163
7164         * options.h (class General_options): Add --warn_constructors.
7165
7166 2009-11-03  Ian Lance Taylor  <iant@google.com>
7167
7168         PR 10893
7169         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7170         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7171
7172 2009-11-03  Ian Lance Taylor  <iant@google.com>
7173
7174         PR 10895
7175         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7176         --msgid-bugs-address.
7177         (install-pdf): New target.
7178         (install-data_yes): Look up one directory to find mkinstalldirs.
7179
7180 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7181
7182         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7183         tree.
7184
7185 2009-10-30  Doug Kwan  <dougkwan@google.com>
7186
7187         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7188
7189 2009-10-30  Doug Kwan  <dougkwan@google.com>
7190
7191         * arm.cc (Stub_addend_reader): New struct template definition
7192         and partial specializations.
7193         (Stub_addend_reader::operator()): New method definition for a
7194         partially specialized template.
7195
7196 2009-10-30  Doug Kwan  <dougkwan@google.com>
7197
7198         * arm.cc (Arm_relobj::processor_specific_flags): New method
7199         definition.
7200         (Arm_relobj::do_read_symbols): New method declaration.
7201         (Arm_relobj::processor_specific_flags_): New data member declaration.
7202         (Arm_dynobj): New class definition.
7203         (Target_arm::do_finalize_sections): Add input_objects parameter.
7204         (Target_arm::do_adjust_elf_header): New method declaration.
7205         (Target_arm::are_eabi_versions_compatible,
7206         (Target_arm::merge_processor_specific_flags): New method declaration.
7207         (Target_arm::do_make_elf_object): New overloaded method definitions
7208         and declaration.
7209         (Arm_relobj::do_read_symbols): New method definition.
7210         (Arm_dynobj::do_read_symbols): Ditto.
7211         (Target_arm::do_finalize_sections): Add input_objects parameters.
7212         Merge processor-specific flags from all input objects.
7213         (Target_arm::are_eabi_versions_compatible,
7214         Target_arm::merge_processor_specific_flags,
7215         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7216         New method definitions.
7217         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7218         Input_objects pointer type parameter.
7219         * layout.cc (Layout::finalize): Pass input objects to target's.
7220         finalize_sections function.
7221         * output.cc (Output_file_header::do_sized_write): Set ELF file
7222         header's processor-specific flags.
7223         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7224         Input_objects pointer type parameter.
7225         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7226         * target.h (Input_objects): New forward class declaration.
7227         (Target::processor_specific_flags,
7228         Target::are_processor_specific_flags_sect): New method definitions.
7229         (Target::finalize_sections): Add input_objects parameter.
7230         (Target::Target): Initialize processor_specific_flags_ and
7231         are_processor_specific_flags_set_.
7232         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7233         parameter.
7234         (Target::set_processor_specific_flags): New method definition.
7235         (Target::processor_specific_flags_,
7236         Target::are_processor_specific_flags_set_): New data member
7237         declarations.
7238         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7239         Input_objects pointer type parameter.
7240
7241 2009-10-30  Doug Kwan  <dougkwan@google.com>
7242
7243         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7244
7245 2009-10-28  Ian Lance Taylor  <iant@google.com>
7246
7247         * object.h (class Relobj): Drop options parameter from
7248         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7249         do_scan_relocs, do_relocate.  Change all callers.
7250         (class Sized_relobj): Drop options parameters from
7251         do_gc_process_relocs, do_scan_relocs, do_relocate,
7252         do_relocate_sections, relocate_sections, emit_relocs_scan,
7253         emit_relocs_scan_reltype.  Change all callers.
7254         (struct Relocate_info): Remove options field and all references to
7255         it.
7256         * reloc.h (class Read_relocs): Remove options constructor
7257         parameter and options_ field.  Change all callers.
7258         (class Gc_process_relocs, class Scan_relocs): Likewise.
7259         (class Relocate_task): Likewise.
7260         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7261         all callers.
7262         (scan_relocatable_relocs): Likewise.
7263         * target.h (class Sized_target): Remove options parameter from
7264         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7265         all callers.
7266         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7267         callers.
7268         * arm.cc: Update functions to remove options parameters.
7269         * i386.cc: Likewise.
7270         * powerpc.cc: Likewise.
7271         * sparc.cc: Likewise.
7272         * x86_64.cc: Likewise.
7273         * testsuite/testfile.cc: Likewise.
7274
7275 2009-10-28  Doug Kwan  <dougkwan@google.com>
7276
7277         * arm.cc (Arm_relobj): New class definition.
7278         (Arm_relobj::scan_sections_for_stubs,
7279         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7280         New method definitions.
7281
7282 2009-10-28  Cary Coutant  <ccoutant@google.com>
7283
7284         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7285         (Plugin::cleanup_done_): New member.
7286         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7287         (Plugin_manager::cleanup_done_): Remove.
7288         (Plugin_manager::add_input_file): Edit error message.
7289         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7290         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7291
7292 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7293
7294         * fileread.cc: (File_read::View::~View): Use the new
7295         data_ownership_ filed.
7296         (File_read::~File_read): Dispose the new whole_file_view_.
7297         (File_read::open): Mmap the whole file if needed.
7298         (File_read::open): Use whole_file_view_ instead of contents_.
7299         (File_read::find_view): Use whole_file_view_ if applicable.
7300         (File_read::do_read): Use whole_file_view_ instead of contents_.
7301         (File_read::make_view): Use whole_file_view_ instead of contents_,
7302         update File_read::View::View call.
7303         (File_read::find_or_make_view): Update File_read::View::View
7304         call.
7305         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7306         remove contents_
7307         (File_read::View::Data_ownership): New enum.
7308         (File_read::View::View): Replace bool mapped_ with Data_ownership
7309         argument.
7310         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7311         (File_read::View::data_ownership_): New field.
7312         (File_read::contents_): Remove (replaced by whole_file_view_).
7313         (File_read::whole_file_view_): New field.
7314         * options.h (class General_options): Add --keep-files-mapped.
7315
7316 2009-10-27  Cary Coutant  <ccoutant@google.com>
7317
7318         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7319         * testsuite/Makefile.am (plugin_test_5): New test case.
7320         * testsuite/Makefile.in: Regenerate.
7321
7322 2009-10-25  Doug Kwan  <dougkwan@google.com>
7323
7324         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7325         from private to protected to allow access by child class.
7326         (Sized_relobj::do_relocate_sections): New method declaration.
7327         (Sized_relobj::relocate_sections): Virtualize.
7328         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7329         Sized_relobj::relocate_sections.  Instantiate template explicitly
7330         for different target sizes and endianity.
7331
7332 2009-10-24  Doug Kwan  <dougkwan@google.com>
7333
7334         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7335         (Arm_input_section::as_arm_input_section): New method.
7336         (Arm_output_section): New class definition.
7337         (Arm_output_section::create_stub_group,
7338         Arm_output_section::group_sections): New method definitions.
7339
7340 2009-10-22  Doug Kwan  <dougkwan@google.com>
7341
7342         * arm.cc (Arm_input_section): New class definition.
7343         (Arm_input_section::init, Arm_input_section:do_write,
7344         Arm_input_section::set_final_data_size,
7345         Arm_input_section::do_reset_address_and_file_offset): New method
7346         definitions.
7347
7348 2009-10-21  Doug Kwan  <dougkwan@google.com>
7349
7350         * arm.cc (Stub_table, Arm_input_section): New forward class
7351         declarations.
7352         (Stub_table): New class defintion.
7353         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7354         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7355         New method definition.
7356
7357 2009-10-21  Doug Kwan  <dougkwan@google.com>
7358
7359         * arm.cc: Update copyright comments.
7360         (Target_arm): New forward class template declaration.
7361         (Arm_address): New type.
7362         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7363         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7364         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7365         constants.
7366         (Insn_template): Same.
7367         (DEF_STUBS): New macro.
7368         (Stub_type): New enum type.
7369         (Stub_template): New class definition.
7370         (Stub): Same.
7371         (Reloc_stub): Same.
7372         (Stub_factory): Same.
7373         (Target_arm::Target_arm): Initialize may_use_blx_ and
7374         should_force_pic_veneer_.
7375         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7376         Target_arm::should_force_pic_veneer,
7377         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7378         Target_arm::using_thumb_only, Target_arm:;default_target): New
7379         method defintions.
7380         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7381         New data member declarations.
7382         (Insn_template::size, Insn_template::alignment): New method defintions.
7383         (Stub_template::Stub_template): New method definition.
7384         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7385         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7386         (Stub_factory::Stub_factory): New method definition.
7387         * gold.h (string_hash): New template.
7388         * output.h (Input_section_specifier::hash_value): Use
7389         gold::string_hash.
7390         (Input_section_specifier::string_hash): Remove.
7391         * stringpool.cc (Stringpool_template::string_hash): Use
7392         gold::string_hash.
7393
7394 2009-10-20  Doug Kwan  <dougkwan@google.com>
7395
7396         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7397         symbols of relaxed input sections.
7398         * output.h (Output_section::find_relaxed_input_section): Make
7399         method public.
7400
7401 2009-10-16  Doug Kwan  <dougkwan@google.com>
7402
7403         * dynobj.cc (Versions::Versions): Initialize version_script_.
7404         Only insert base version symbol definition for a shared object
7405         if version script defines any version versions.
7406         (Versions::define_base_version): New method definition.
7407         (Versions::add_def): Check that base version is not needed.
7408         (Versions::add_need): Define base version lazily.
7409         * dynobj.h (Versions::define_base_version): New method declaration.
7410         (Versions::needs_base_version_): New data member declaration.
7411         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7412         (check_DATA): Add no_version_test.stdout.
7413         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7414         New make rules.
7415         * testsuite/Makefile.in: Regenerate.
7416         * testsuite/no_version_test.c: New file.
7417         * testsuite/no_version_test.sh: Ditto.
7418
7419 2009-10-16  Doug Kwan  <dougkwan@google.com>
7420
7421         * expression.cc (class Segment_start_expression): New class definition.
7422         (Segment_start_expression::value): New method definition.
7423         (script_exp_function_segment_start): Return a new
7424         Segment_start_expression.
7425         * gold/script-c.h (script_saw_segment_start_expression): New function
7426         prototype.
7427         * script-sections.cc (Script_sections::Script_sections): Initialize
7428         SAW_SEGMENT_START_EXPRESSION_ to false.
7429         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7430         and -Tbbs options to specify section addresses if given in
7431         command line and no SEGMENT_START expression is seen in a script.
7432         * script-sections.h (Script_sections::saw_segment_start_expression,
7433         Script_sections::set_saw_segment_start_expression): New method
7434         definition.
7435         (Script_sections::saw_segment_start_expression_): New data member
7436         declaration.
7437         * script.cc (script_saw_segment_start_expression): New function.
7438         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7439         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7440         script_test_7.sh and script_test_8.sh.
7441         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7442         script_test_8.stdout.
7443         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7444         (script_test_6, script_test_6.stdout, script_test_7,
7445         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7446         * Makefile.in: Regenerate.
7447         * testsuite/script_test_6.sh: New file.
7448         * testsuite/script_test_6.t: Same.
7449         * testsuite/script_test_7.sh: Same.
7450         * testsuite/script_test_7.t: Same.
7451         * testsuite/script_test_8.sh: Same.
7452
7453 2009-10-16  Doug Kwan  <dougkwan@google.com>
7454
7455         * output.cc (Output_segment::set_section_list_address): Cast
7456         expressions to unsigned long long type to avoid format warnings.
7457
7458 2009-10-15  Ian Lance Taylor  <iant@google.com>
7459
7460         * script.cc (Script_options::add_symbol_assignment): Always add a
7461         dot assignment to script_sections_.
7462         * script-sections.cc (Script_sections::add_dot_assignment):
7463         Initialize if necessary.
7464
7465         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7466         program headers with no load segment if there is a linker script.
7467
7468         * layout.cc (Layout::set_segment_offsets): Align the file offset
7469         to the segment aligment for -N or -n with no load segment.
7470         * output.cc (Output_segment::add_output_section): Don't crash if
7471         the first section is a TLS section.
7472         (Output_segment::set_section_list_addresses): Print an error
7473         message if the address moves backward in a linker script.
7474         * script-sections.cc
7475         (Output_section_element_input::set_section_addresses): Don't
7476         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7477         (Orphan_output_section::set_section_addresses): Likewise.
7478
7479 2009-10-15  Doug Kwan  <dougkwan@google.com>
7480
7481         * layout.cc (Layout::finish_dynamic_section): Generate tags
7482         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7483         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7484         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7485
7486 2009-10-14  Ian Lance Taylor  <iant@google.com>
7487
7488         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7489         fields.
7490         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7491         data_shdr fields of relinfo.
7492         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7493         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7494         R_386_TLS_LDO_32, adjust based on section flags.
7495         (Target_i386::Relocate::fix_up_ldo): Remove.
7496
7497 2009-10-13  Ian Lance Taylor  <iant@google.com>
7498
7499         Add support for -pie.
7500         * options.h (class General_options): Add -pie and
7501         --pic-executable.
7502         (General_options::output_is_position_independent): Test -pie.
7503         (General_options::output_is_executable): Return true if not shared
7504         and not relocatable.
7505         (General_options::output_is_pie): Remove.
7506         * options.cc (General_options::finalize): Reject incompatible uses
7507         of -pie.
7508         * gold.cc (queue_middle_tasks): A -pie link is not static.
7509         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7510         * symtab.cc (Symbol::final_value_is_known): Return false if
7511         output_is_position_independent.
7512         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7513         output_is_position_independent.
7514         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7515         output_is_position_independent.
7516         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7517         output_is_position_independent.
7518         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7519         two_file_pie_test.
7520         (basic_pie_test.o, basic_pie_test): New targets.
7521         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7522         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7523         (two_file_pie_test): New target.
7524         * testsuite/Makefile.in: Rebuild.
7525         * README: Remove note saying that -pie is not supported.
7526
7527 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7528
7529         * options.h (class General_options): Add -init and -fini.
7530         * layout.cc (Layout::finish_dynamic_section): Emit
7531         given init and fini functions.
7532
7533 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7534
7535         * gc.h (gc_process_relocs): Check if icf is enabled using new
7536         function.
7537         * gold.cc (queue_initial_tasks): Likewise.
7538         (queue_middle_tasks): Likewise.
7539         * object.cc (do_layout): Likewise.
7540         * symtab.cc (is_section_folded): Likewise.
7541         * main.cc (main): Likewise.
7542         * reloc.cc (Read_relocs::run): Likewise.
7543         (Sized_relobj::do_scan_relocs): Likewise.
7544         * icf.cc (is_function_ctor_or_dtor): New function.
7545         (Icf::find_identical_sections): Check if function is ctor or dtor when
7546         safe icf is chosen.
7547         * options.h (General_options::icf): Change option to be an enum.
7548         (Icf_status): New enum.
7549         (icf_enabled): New method.
7550         (icf_safe_folding): New method.
7551         (set_icf_status): New method.
7552         (icf_status_): New variable.
7553         * (options.cc) (General_options::finalize): Set icf_status_.
7554         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7555         icf_test and icf_keep_unique_test to use the --icf enum flag.
7556         * testsuite/icf_safe_test.sh: New file.
7557         * testsuite/icf_safe_test.cc: New file.
7558
7559 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7560
7561         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7562         includes to gc.h and icf.h.
7563         * arm.cc: Include gc.h.
7564         * gold.cc: Likewise.
7565         * i386.cc: Likewise.
7566         * powerpc.cc: Likewise.
7567         * sparc.cc: Likewise.
7568         * x86_64.cc: Likewise.
7569         * gc.h: Include icf.h.
7570
7571 2009-10-11  Ian Lance Taylor  <iant@google.com>
7572
7573         * plugin.cc: Include "gold.h" before other header files.
7574
7575 2009-10-10  Chris Demetriou  <cgd@google.com>
7576
7577         * options.h (Input_file_argument::Input_file_type): New enum.
7578         (Input_file_argument::is_lib_): Replace with...
7579         (Input_file_argument::type_): New member.
7580         (Input_file_argument::Input_file_argument): Take Input_file_type
7581         'type' rather than boolean 'is_lib' as second argument.
7582         (Input_file_argument::is_lib): Use type_.
7583         (Input_file_argument::is_searched_file): New function.
7584         (Input_file_argument::may_need_search): Handle is_searched_file.
7585         * options.cc (General_options::parse_library): Support -l:filename.
7586         (General_options::parse_just_symbols): Update for Input_file_argument
7587         changes.
7588         (Command_line::process): Likewise.
7589         * archive.cc (Archive::get_file_and_offset): Likewise.
7590         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7591         * script.cc (read_script_file, script_add_file): Likewise.
7592         * fileread.cc (Input_file::Input_file): Likewise.
7593         (Input_file::will_search_for): Handle is_searched_file.
7594         (Input_file::open): Likewise.
7595         * readsyms.cc (Read_symbols::get_name): Likewise.
7596         * testsuite/Makefile.am (searched_file_test): New test.
7597         * testsuite/Makefile.in: Regenerate.
7598         * testsuite/searched_file_test.cc: New file.
7599         * testsuite/searched_file_test_lib.cc: New file.
7600
7601 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7602             Ian Lance Taylor  <iant@google.com>
7603
7604         * descriptor.cc: Include <cstdio> and "binary-io.h".
7605         (Descriptors::open): Open the files in binary mode always.
7606         * script.cc (Lex::get_token): Treat \r as whitespace.
7607
7608 2009-10-09  Ian Lance Taylor  <iant@google.com>
7609
7610         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7611
7612 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7613             Ian Lance Taylor  <iant@google.com>
7614
7615         * configure.ac: Check for readv function also.
7616         * fileread.cc (readv): Define if not HAVE_READV.
7617         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7618         does not exist.
7619         * config.in: Regenerate.
7620         * configure: Regenerate.
7621
7622 2009-10-09  Doug Kwan  <dougkwan@google.com>
7623
7624         * layout.cc (Layout::make_output_section): Call target hook to make
7625         ordinary output section.
7626         (Layout::finalize): Adjust parameter list of call the
7627         Target::may_relax().
7628         * layout.h (class Layout::section_list): New method.
7629         * merge.h (Output_merge_base::entsize): Change visibility to public.
7630         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7631         New methods.
7632         (Output_merge_string::do_is_string): New method.
7633         * object.cc (Sized_relobj::do_setup): renamed from
7634         Sized_relobj::set_up.
7635         * object.h (Sized_relobj::adjust_shndx,
7636         Sized_relobj::initializ_input_to_output_maps,
7637         Sized_relobj::free_input_to_output_maps): Change visibilities to
7638         protected.
7639         (Sized_relobj::setup): Virtualize.
7640         (Sized_relobj::do_setup): New method declaration.
7641         (Sized_relobj::invalidate_section_offset,
7642         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7643         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7644         * options.cc (parse_int): New function.
7645         * options.h (parse_int): New declaration.
7646         (DEFINE_int): New macro.
7647         (stub_group_size): New option.
7648         * output.cc (Output_section::Output_section): Initialize memebers
7649         merge_section_map_, merge_section_by_properties_map_,
7650         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7651         (Output_section::add_input_section): Handled deferred code-fill
7652         generation and remove an old comment.
7653         (Output_section::add_relaxed_input_section): New method definition.
7654         (Output_section::add_merge_input_section): Use merge section by
7655         properties map to speed to search.  Update merge section maps
7656         as appropriate.
7657         (Output_section::build_relaxation_map): New method definition.
7658         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7659         Same.
7660         (Output_section::relax_input_section): Renamed to
7661         Output_section::convert_input_sections_to_relaxed_sections and change
7662         interface to take a vector of pointers to relaxed sections.
7663         (Output_section::find_merge_section,
7664         Output_section::find_relaxed_input_section): New method definitions.
7665         (Output_section::is_input_address_mapped,
7666         Output_section::output_offset, Output_section::output_address):
7667         Use output section data maps to speed up searching.
7668         (Output_section::find_starting_output_address): Add comments.
7669         (Output_section::do_write,
7670         Output_section::write_to_postprocessing_buffer): Do code-fill
7671         generation as appropriate.
7672         (Output_section::get_input_sections): Invalidate relaxed input section
7673         map.
7674         (Output_section::restore_states): Adjust type of checkpoint .
7675         Invalidate relaxed input section map.
7676         * output.h (Output_merge_base): New class declaration.
7677         (Input_section_specifier): New class defintion.
7678         (class Output_relaxed_input_section) Change base class to
7679         Output_section_data_build.
7680         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7681         base class initializer.
7682         (Output_section::add_relaxed_input_section): New method declaration.
7683         (Output_section::Input_section): Change visibility to protected.
7684         (Output_section::Input_section::relobj,
7685         Output_section::Input_section::shndx): Handle relaxed input sections.
7686         Output_section::input_sections) Change visibility to protected.  Also
7687         define overload to return a non-const pointer.
7688         (Output_section::Merge_section_properties): New class defintion.
7689         (Output_section::Merge_section_by_properties_map,
7690         Output_section::Output_section_data_by_input_section_map,
7691         Output_section::Relaxation_map): New types.
7692         (Output_section::relax_input_section): Rename method to
7693         Output_section::convert_input_sections_to_relaxed_sections and change
7694         interface to take a vector of relaxed section pointers.
7695         (Output_section::find_merge_section,
7696         Output_section::find_relaxed_input_section,
7697         Output_section::build_relaxation_map,
7698         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7699         New method declarations.
7700         (Output_section::merge_section_map_
7701         Output_section::merge_section_by_properties_map_,
7702         Output_section::relaxed_input_section_map_,
7703         Output_section::is_relaxed_input_section_map_valid_,
7704         Output_section::generate_code_fills_at_write_): New data members.
7705         * script-sections.cc
7706         (Output_section_element_input::set_section_addresses): Call
7707         current_data_size and addralign methods of relaxed input sections.
7708         (Orphan_output_section::set_section_addresses): Call current_data_size
7709         and addralign methods of relaxed input sections.
7710         * symtab.cc (Symbol_table::compute_final_value): Extract template
7711         from the body of Symbol_table::sized_finalize_symbol.
7712         (Symbol_table::sized_finalized_symbol): Call
7713         Symbol_table::compute_final_value.
7714         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7715         (Symbol_table::compute_final_value): New templated method declaration.
7716         * target.cc (Target::do_make_output_section): New method defintion.
7717         * target.h (Target::make_output_section): New method declaration.
7718         (Target::relax): Add more parameters for input objects, symbol table
7719         and layout.  Adjust call to do_relax.
7720         (Target::do_make_output_section): New method declaration.
7721         (Target::do_relax): Add parameters for input objects, symbol table
7722         and layout.
7723
7724 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7725
7726         * pread.c: Include stdio.h.
7727
7728 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7729
7730         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7731         defined.
7732
7733 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7734
7735         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7736         Change read_shndx type to unsigned int.
7737         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7738         int.
7739         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7740         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7741         Change read_shndx type to unsigned int.
7742         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7743         int.
7744         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7745         * layout.cc (Layout::create_symtab_sections): Cast the result of
7746         local_symcount * symsize to off_t in the gold_assert.
7747
7748 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7749
7750         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7751         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7752         R_ARM_BASE_ABS.
7753         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7754         (Arm_relocate_functions::thm_abs5): New function.
7755         (Arm_relocate_functions::abs12): New function.
7756         (Arm_relocate_functions::abs16): New function.
7757         (Arm_relocate_functions::base_abs): New function.
7758         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7759         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7760         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7761         R_ARM_BASE_ABS.
7762         (Scan::global): Likewise.
7763         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7764         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7765         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7766         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7767         R_ARM_BASE_ABS.
7768
7769 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7770
7771         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7772         (Arm_relocate_functions::movt_prel): New function.
7773         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7774         (Arm_relocate_functions::thm_movt_prel): New function.
7775         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7776         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7777         (Scan::global, Relocate::relocate): Likewise.
7778         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7779
7780 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7781
7782         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7783         Incremental_checker.
7784         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7785         unsigned int.
7786         (class Incremental_inputs_header): New class.
7787         (Incremental_inputs_header_writer): Edit comment.
7788         (Incremental_inputs_entry): New class.
7789         (Incremental_inputs_entry_writer): Edit comment.
7790         (Sized_incremental_binary::do_find_incremental_inputs_section):
7791         Add *strtab_shndx parameter, fill it.
7792         (Sized_incremental_binary::do_check_inputs): New method.
7793         (Incremental_checker::can_incrementally_link_output_file): Use
7794         Sized_incremental_binary::check_inputs.
7795         (Incremental_inputs::report_command_line): Save command line in
7796         command_line_.
7797         * incremental.h:
7798         (Incremental_binary::find_incremental_inputs_section): New
7799         method.
7800         (Incremental_binary::do_find_incremental_inputs_section): Add
7801         strtab_shndx parameter.
7802         (Incremental_binary::do_check_inputs): New pure virtual method.
7803         (Sized_incremental_binary::do_check_inputs): Declare.
7804         (Incremental_checker::Incremental_checker): Add incremental_inputs
7805         parameter, use it to initialize incremental_inputs_.
7806         (Incremental_checker::incremental_inputs_): New field.
7807         (Incremental_checker::command_line): New method.
7808         (Incremental_checker::inputs): New method.
7809         (Incremental_checker::command_line_): New field.
7810
7811 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7812
7813         * incremental.cc: Include <cstdarg> and "target-select.h".
7814         (vexplain_no_incremental): New function.
7815         (explain_no_incremental): New function.
7816         (Incremental_binary::error): New method.
7817         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7818         method.
7819         (make_sized_incremental_binary): New function.
7820         (open_incremental_binary): New function.
7821         (can_incrementally_link_file): Add checks if output is ELF and has
7822         inputs section.
7823         * incremental.h: Include "elfcpp_file.h" and "output.h".
7824         (Incremental_binary): New class.
7825         (Sized_incremental_binary): New class.
7826         (open_incremental_binary): Declare.
7827         * object.cc (is_elf_object): Use
7828         elfcpp::Elf_recognizer::is_elf_file.
7829         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7830         * output.h (Output_file::filesize): New method.
7831
7832 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7833
7834         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7835         New function.
7836         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7837         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7838         function.
7839         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7840         function.
7841         (Arm_relocate_functions::movw_abs_nc): New function.
7842         (Arm_relocate_functions::movt_abs): New function.
7843         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7844         (Arm_relocate_functions::thm_movt_abs): New function.
7845         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7846         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7847         (Scan::global): Likewise.
7848         (Relocate::relocate): Likewise.
7849         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7850
7851 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7852
7853         * arm.cc (Arm_relocate_functions::got_prel) New function.
7854         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7855         (Relocate::relocate): Likewise.
7856         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7857
7858 2009-10-06  Ian Lance Taylor  <iant@google.com>
7859
7860         * options.h (class General_options): Define
7861         split_stack_adjust_size parameter.
7862         * object.h (class Object): Add uses_split_stack_ and
7863         has_no_split_stack_ fields.  Add uses_split_stack and
7864         has_no_split_stack accessor functions.  Declare
7865         handle_split_stack_section.
7866         (class Reloc_symbol_changes): Define.
7867         (class Sized_relobj): Define Function_offsets.  Declare
7868         split_stack_adjust, split_stack_adjust_reltype, and
7869         find_functions.
7870         * object.cc (Object::handle_split_stack_section): New function.
7871         (Sized_relobj::do_layout): Call handle_split_stack_section.
7872         * dynobj.cc (Sized_dynobj::do_layout): Call
7873         handle_split_stack_section.
7874         * reloc.cc (Sized_relobj::relocate_sections): Call
7875         split_stack_adjust for executable sections in split_stack
7876         objects.  Pass reloc_map to relocate_section.
7877         (Sized_relobj::split_stack_adjust): New function.
7878         (Sized_relobj::split_stack_adjust_reltype): New function.
7879         (Sized_relobj::find_functions): New function.
7880         * target-reloc.h: Include "object.h".
7881         (relocate_section): Add reloc_symbol_changes parameter.  Change
7882         all callers.
7883         * target.h (class Target): Add calls_non_split method.  Declare
7884         do_calls_non_split virtual method.  Declare match_view and
7885         set_view_to_nop.
7886         * target.cc: Include "elfcpp.h".
7887         (Target::do_calls_non_split): New function.
7888         (Target::match_view): New function.
7889         (Target::set_view_to_nop): New function.
7890         * gold.cc (queue_middle_tasks): Give an error if mixing
7891         split-stack and non-split-stack objects with -r.
7892         * i386.cc (Target_i386::relocate_section): Add
7893         reloc_symbol_changes parameter.
7894         (Target_i386::do_calls_non_split): New function.
7895         * x86_64.cc (Target_x86_64::relocate_section): Add
7896         reloc_symbol_changes parameter.
7897         (Target_x86_64::do_calls_non_split): New function.
7898         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7899         parameter.
7900         * powerpc.cc (Target_powerpc::relocate_section): Add
7901         reloc_symbol_changes parameter.
7902         * sparc.cc (Target_sparc::relocate_section): Add
7903         reloc_symbol_changes parameter.
7904         * configure.ac: Call AM_CONDITIONAL for the default target.
7905         * configure: Rebuild.
7906         * testsuite/Makefile.am (TEST_AS): New variable.
7907         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7908         (check_DATA): Add split_i386 and split_x86_64 files.
7909         (SPLIT_DEFSYMS): Define.
7910         (split_i386_[1234n].o): New targets.
7911         (split_i386_[124]): New targets.
7912         (split_i386_[1234r].stdout): New targets.
7913         (split_x86_64_[1234n].o): New targets.
7914         (split_x86_64_[124]): New targets.
7915         (split_x86_64_[1234r].stdout): New targets.
7916         (MOSTLYCLEANFILES): Add new executables.
7917         * testsuite/split_i386.sh: New file.
7918         * testsuite/split_x86_64.sh: New file.
7919         * testsuite/split_i386_1.s: New file.
7920         * testsuite/split_i386_2.s: New file.
7921         * testsuite/split_i386_3.s: New file.
7922         * testsuite/split_i386_4.s: New file.
7923         * testsuite/split_i386_n.s: New file.
7924         * testsuite/split_x86_64_1.s: New file.
7925         * testsuite/split_x86_64_2.s: New file.
7926         * testsuite/split_x86_64_3.s: New file.
7927         * testsuite/split_x86_64_4.s: New file.
7928         * testsuite/split_x86_64_n.s: New file.
7929         * testsuite/testfile.cc (Target_test): Update relocation_section
7930         function.
7931         * testsuite/Makefile.in: Rebuild.
7932
7933 2009-10-06  Ian Lance Taylor  <iant@google.com>
7934
7935         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7936         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7937         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7938         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7939         the address on ldo_addrs_.
7940         (Target_i386::Relocate::fix_up_ldo): New function.
7941
7942 2009-10-06   Rafael Espindola  <espindola@google.com>
7943
7944         * plugin.cc (add_input_library): New.
7945         (Plugin::load): Add add_input_library to tv.
7946         (Plugin_manager::add_input_file): Add the is_lib argument.
7947         (add_input_file): Update call to Plugin_manager::add_input_file.
7948         (add_input_library): New.
7949         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7950
7951 2009-09-30  Doug Kwan  <dougkwan@google.com>
7952
7953         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7954         symbol and call Symbol::may_need_copy_reloc to determine if
7955         a copy reloc is needed.
7956         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7957         nocopyreloc is given in command line.
7958         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7959         given in command line.
7960         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7961         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7962         of the removed Target_i386::may_need_copy_reloc.
7963         * options.h (copyreloc): New option with default value false.
7964         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7965         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7966         instead of the removed Target_powerpc::may_need_copy_reloc.
7967         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7968         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7969         instead of the removed Target_sparc::may_need_copy_reloc.
7970         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7971         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7972         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7973         instead of the removed Target_x86_64::may_need_copy_reloc.
7974
7975 2009-09-30  Ian Lance Taylor  <iant@google.com>
7976
7977         * object.h (class Object): Remove target_ field, and target,
7978         sized_target, and set_target methods.
7979         (Object::sized_target): Remove.
7980         (class Sized_relobj): Update declarations.  Remove sized_target.
7981         * object.cc (Sized_relobj::setup): Remove target parameter.
7982         Change all callers.
7983         (Input_objects::add_object): Don't do anything with the target.
7984         (make_elf_sized_object): Add punconfigured parameter.  Change all
7985         callers.  Set or test parameter target.
7986         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7987         Change all callers.
7988         * parameters.cc (Parameters::set_target): Change parameter type to
7989         be non-const.
7990         (Parameters::default_target): Remove.
7991         (set_parameters_target): Change parameter type to be non-const.
7992         (parameters_force_valid_target): New function.
7993         (parameters_clear_target): New function.
7994         * parameters.h (class Parameters): Update declarations.  Remove
7995         default_target method.  Add sized_target and clear_target
7996         methods.  Change target_ to be non-const.
7997         (set_parameters_target): Update declaration.
7998         (parameters_force_valid_target): Declare.
7999         (parameters_clear_target): Declare.
8000         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8001         as NULL if we aren't searching.
8002         (Add_symbols::run): Don't check for compatible target.
8003         * fileread.cc (Input_file::open_binary): Call
8004         parameters_force_valid_target.
8005         * gold.cc (queue_middle_tasks): Likewise.
8006         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8007         set_target on object.
8008         * dynobj.h (class Sized_dynobj): Update declarations.
8009         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8010         make_elf_object returns NULL.
8011         (Archive::include_member): Don't check whether object target is
8012         compatible.
8013         * output.cc (Output_section::add_input_section): Get target from
8014         parameters.
8015         (Output_section::relax_input_section): Likewise.
8016         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8017         parameters.
8018         (Sized_relobj::do_scan_relocs): Likewise.
8019         (Sized_relobj::relocate_sections): Likewise.
8020         * resolve.cc (Symbol_table::resolve): Likewise.
8021         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8022         parameter.  Change all callers.
8023         (Symbol_table::add_from_object): Get target from parameters.
8024         (Symbol_table::add_from_relobj): Don't check object target.
8025         (Symbol_table::add_from_dynobj): Likewise.
8026         (Symbol_table::define_special_symbol): Get target from
8027         parameters.
8028         * symtab.h (class Symbol_table): Update declaration.
8029         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8030         parameter.  Change all callers.  Clear parameter target.
8031         (Binary_test): Test target here.
8032         * testsuite/object_unittest.cc (gold_testsuite): Remove
8033         target_test_pointer parameter.  Change all callers.
8034         (Object_test): Test target here.
8035
8036 2009-09-26  Ian Lance Taylor  <iant@google.com>
8037
8038         * testsuite/initpri1.c: Don't try to use constructor priorities if
8039         compiling with gcc before 4.3.
8040
8041 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8042
8043         * testsuite/retain_symbols_file_test.sh (check_present): Change
8044         output file name to retain_symbols_file_test.stdout.
8045         (check_absent): Likewise.
8046
8047 2009-09-18  Craig Silverstein  <csilvers@google.com>
8048
8049         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8050         * options.cc: Include <cerrno> and <fstream>.
8051         (General_options::finalize): Parse -retain-symbols-file tag.
8052         * options.h: New flag.
8053         (General_options): New method should_retain_symbol, new
8054         variable symbols_to_retain.
8055         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8056         should_retain_symbol map.
8057         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8058         * testsuite/Makefile.in: Regenerate.
8059         * testsuite/retain_symbols_file_test.sh: New file.
8060
8061 2009-09-18  Nick Clifton  <nickc@redhat.com>
8062
8063         * po/es.po: Updated Spanish translation.
8064
8065 2009-09-17  Doug Kwan  <dougkwan@google.com>
8066
8067         * debug.h (DEBUG_RELAXATION): New constant.
8068         (DEBUG_ALL): Add DEBUG_RELAXATION.
8069         (debug_string_to_enum): Add relaxation debug option.
8070         * layout.cc
8071         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8072         Layout::Relaxation_debug_check::read_sections,
8073         Layout::Relaxation_debug_check::read_sections): New method definitions.
8074         (Layout::Layout): Initialize data members
8075         record_output_section_data_from_scrips_,
8076         script_output_section_data_list_ and relaxation_debug_check_.
8077         (Layout::save_segments, Layout::restore_segments,
8078         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8079         Layout::relaxation_loop_body): New method definitions.
8080         (Layout::finalize): Support relaxation.  Move section layout code to
8081         Layout::relaxation_loop_body.
8082         (Layout::set_asection_address_from_script): Move code for orphan
8083         section placement out.
8084         (Layout::place_orphan_sections_in_script): New method definition.
8085         * layout.h (Output_segment_headers, Output_file_header):
8086         New forward class declarations.
8087         (Layout::~Layout): Define.
8088         (Layout::new_output_section_data_from_script): New method definition.
8089         (Layout::place_orphan_sections_in_script): New method declaration.
8090         (Layout::Segment_states): New type declaration.
8091         (Layout::save_segments, Layout::restore_segments,
8092         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8093         Layout::relaxation_loop_body): New method declarations.
8094         (Layout::Output_section_data_list): New type declaration.
8095         (Layout::Relaxation_debug_check): New class definition.
8096         (Layout::record_output_section_data_from_script_,
8097         Layout::script_output_section_data_list_, Layout::segment_states_,
8098         Layout::relaxation_debug_check_): New data members.
8099         * output.cc: (Output_section_headers::do_size): New method definition.
8100         (Output_section_headers::Output_section_headers): Move size
8101         computation to Output_section_headers::do_size.
8102         (Output_segment_headers::do_size): New method definition.
8103         (Output_file_header::Output_file_header): Move size computation to
8104         Output_file_header::do_size and call it.
8105         (Output_file_header::do_size): New method definition.
8106         (Output_data_group::Output_data_group): Adjust call to
8107         Output_section_data.
8108         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8109         (Output_symtab_xindex::do_write): Add array bound check.
8110         (Output_section::Input_section::print_to_mapfile): Handle
8111         RELAXED_INPUT_SECTION_CODE.
8112         (Output_section::Output_section): Initialize data member checkpoint_.
8113         (Output_section::~Output_section): Delete checkpoint object pointed
8114         by checkpoint_.
8115         (Output_section::add_input_section): Always add an Input_section if
8116         relaxing.
8117         (Output_section::add_merge_input_section): Add assert.
8118         (Output_section::relax_input_section): New method definition.
8119         (Output_section::set_final_data_size): Set load address to zero for
8120         an unallocated section.
8121         (Output_section::do_address_and_file_offset_have_reset_values):
8122         New method definition.
8123         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8124         Handle relaxed input section.
8125         (Output_section::sort_attached_input_sections): Checkpoint input
8126         section list lazily.
8127         (Output_section::get_input_sections): Change type of input_sections to
8128         list of Simple_input_section pointers.  Checkpoint input section list
8129         lazily.  Also handle relaxed input sections.
8130         (Output_section::add_input_section_for_script): Take a reference to
8131         a Simple_input_section object instead of Relobj pointer and section
8132         index as parameter.  Handle relaxed input sections.
8133         (Output_section::save_states, Output_section::restore_states): New
8134         method definitions.
8135         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8136         (Output_data::is_data_size_fixed): New method definition.
8137         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8138         if it is fixed.
8139         (Output_data::address_and_file_offset_have_reset_values): New method
8140         definition.
8141         (Output_data::do_address_and_file_offset_have_reset_values): New method
8142         definition.
8143         (Output_data::set_data_size): Check that data size is not fixed.
8144         (Output_data::fix_data_size): New method definition.
8145         (Output_data::is_data_size_fixed_): New data member.
8146         (Output_section_headers::set_final_data_size): New method definition.
8147         (Output_section_headers::do_size): New method declaration.
8148         (Output_segment_headers::set_final_data_size): New method definition.
8149         (Output_segment_headers::do_size): New method declaration.
8150         (Output_file_header::set_final_data_size)::New method definition.
8151         (Output_file_header::do_size)::New method declaration.
8152         (Output_section_data::Output_section_data): Add new parameter
8153         is_data_size_fixed and use it to fix data size.
8154         (Output_data_const::Output_data_const): Adjust call to base class
8155         constructor and fix data size.
8156         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8157         base class constructor and fix data size.
8158         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8159         base class constructor and fix data size.
8160         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8161         class constructor and fix data size.
8162         (Output_data_group::set_final_data_size): New method definition.
8163         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8164         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8165         class constructor and fix data size.
8166         (Output_relaxed_input_section): New class definition.
8167         (Output_section::Simple_input_section): New class definition.
8168         (Output_section::get_input_sections): Adjust parameter list.
8169         (Output_section::add_input_section_for_script): Same.
8170         (Output_section::save_states, Output_section::restore_states,
8171         Output_section::do_address_and_file_offset_have_reset_values,
8172         (Output_section::Input_section::Input_section): Handle
8173         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8174         Output_relaxed_input_section.
8175         (Output_section::Input_section::is_input_section,
8176         Output_section::Input_section::set_output_section): Handle relaxed
8177         input section.
8178         (Output_section::Input_section::is_relaxed_input_section,
8179         Output_section::Input_section::output_section_data,
8180         Output_section::Input_section::relaxed_input_section): New method
8181         definitions.
8182         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8183         value.
8184         (Output_section::Input_section::u1_): Update comments.
8185         (Output_section::Input_section::u2_): Add new union member poris.
8186         (Output_section::Checkpoint_output_section): New classs definition.
8187         (Output_section::relax_input_section): New method declaration.
8188         (Output_section::checkpoint_): New data member.
8189         (Output_segment): Update comments.
8190         (Output_segment::Output_segment): Un-privatize copy constructor.
8191         (Output_segment::operator=): Un-privatize.
8192         * script-sections.cc (Output_section_element::Input_section_list):
8193         Change element type to Output_section::Simple_input_section.
8194         (Output_section_element_dot_assignment::set_section_addresses):
8195         Register output section data for relaxation clean up.
8196         (Output_data_exression::Output_data_expression): Adjust call to base
8197         constructor to fix data size.
8198         (Output_section_element_data::set_section_addresses): Register
8199         Output_data_expression object for relaxation clean up.
8200         (struct Input_section_info): Replace Relobj pointer and section index
8201         pair with Output_section::Simple_input_section and Convert struct to a
8202         class.
8203         (Input_section_sorter::operator()): Adjust access to
8204         Input_section_info data member to use accessors.
8205         (Output_section_element_input::set_section_addresses): Use layout
8206         parameter.  Adjust code to use Output_section::Simple_input_section
8207         and Input_secction_info classes.  Register filler for relaxation
8208         clean up.
8209         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8210         and section index pair with Output_section::Simple_input_section
8211         class.  Adjust code accordingly.
8212         (Phdrs_element::release_segment): New method definition.
8213         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8214         segment list.
8215         (Script_sections::release_segments): New method definition.
8216         * gold/script-sections.h (Script_sections::release_segments): New
8217         method declaration.
8218         * gold/target.h (Target::may_relax, Target::relax,
8219         Target::do_may_relax, Target::do_relax): New method definitions.
8220
8221 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8222
8223         * arm.cc (has_signed_unsigned_overflow): New function.
8224         (Arm_relocate_functions::abs8): New function.
8225         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8226         (Target_arm::Scan::global): Likewise.
8227         (Target_arm::relocate::relocate): Likewise.
8228         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8229         Likewise.
8230
8231 2009-09-16  Cary Coutant  <ccoutant@google.com>
8232
8233         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8234         * testsuite/Makefile.in: Regenerate.
8235
8236 2009-09-11  Nick Clifton  <nickc@redhat.com>
8237
8238         * po/gold.pot: Updated by the Translation project.
8239
8240 2009-09-08  Cary Coutant  <ccoutant@google.com>
8241
8242         * output.cc (Output_file::open): Add execute permission to empty file.
8243         * testsuite/Makefile.am (permission_test): New test.
8244         * testsuite/Makefile.in: Regenerate.
8245
8246 2009-09-02  Ian Lance Taylor  <iant@google.com>
8247
8248         * output.cc (Output_file::resize): Call map_no_anonymous rather
8249         than map.
8250
8251 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8252
8253         * gold.cc: Include "incremental.h".
8254         (queue_initial_tasks): Call Incremental_checker methods.
8255         * incremental.cc: Include "output.h".
8256         (Incremental_checker::can_incrementally_link_output_file): New
8257         method.
8258         * incremental.h (Incremental_checker): New class.
8259
8260         * output.cc (Output_file::open_for_modification): New method.
8261         (Output_file::map_anonymous): Changed return type to bool.  Record
8262         map in base_ field.
8263         (Output_file::map_no_anonymous): New method, broken out of map.
8264         (Output_file::map): Use map_no_anonymous and map_anonymous.
8265         * output.h (class Output_file): Update declarations.
8266
8267 2009-08-24  Cary Coutant  <ccoutant@google.com>
8268
8269         * options.h (Command_line::Pre_options): New class.
8270         (Command_line::pre_options): New member.
8271         * options.cc (gold::options::ready_to_register): New variable.
8272         (One_option::register_option): Do nothing if not registering options.
8273         Assert if same short option registered twice.
8274         (General_options::General_options): Turn off option registration when
8275         done constructing.
8276         (Command_line::Pre_options::Pre_options): New constructor.
8277
8278 2009-08-24  Cary Coutant  <ccoutant@google.com>
8279
8280         * options.h (General_options::no_keep_memory): Remove incorrect
8281         short option.
8282
8283 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8284
8285         * Makefile.am (am__skiplex, am__skipyacc): New.
8286         * Makefile.in: Regenerate.
8287
8288 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8289
8290         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8291         (INCLUDES): ... this.
8292         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8293         (AM_CPPFLAGS): Renamed from ...
8294         (INCLUDE): ... this.
8295         * Makefile.in, testsuite/Makefile.in: Regenerate.
8296
8297         * Makefile.in: Regenerate.
8298         * aclocal.m4: Likewise.
8299         * config.in: Likewise.
8300         * configure: Likewise.
8301         * testsuite/Makefile.in: Likewise.
8302
8303         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8304         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8305         * Makefile.in: Regenerate.
8306         * testsuite/Makefile.in: Regenerate.
8307
8308 2009-08-19  Cary Coutant  <ccoutant@google.com>
8309
8310         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8311         symbols in shared libraries overridden by hidden or internal symbols
8312         in the main program.
8313
8314 2009-08-19  Chris Demetriou  <cgd@google.com>
8315
8316         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8317         checking source file names in error messages.
8318
8319 2009-08-18  Doug Kwan  <dougkwan@google.com>
8320
8321         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8322         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8323         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8324         an elfcpp::Ehdr as parameter.
8325         * object.cc (Object::set_target): Remove the version that looks up
8326         a target and sets it.
8327         (Sized_relobj::setup): Take a Target object instead of
8328         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8329         (make_elf_sized_object): Find target and ask target to
8330         make an ELF object.
8331         * object.h: (Object::set_target): Remove the version that looks up
8332         a target and sets it.
8333         (Sized_relobj::setup): Take a Target object instead of
8334         an elfcpp:Ehdr as parameter.
8335         * target.cc: Include dynobj.h.
8336         (Target::do_make_elf_object_implementation): New.
8337         (Target::do_make_elf_object): New.
8338         * target.h (Target::make_elf_object): New template declaration.
8339         (Target::do_make_elf_object): New method declarations.
8340         (Target::do_make_elf_object_implementation): New template declaration.
8341
8342 2009-08-14  Ian Lance Taylor  <iant@google.com>
8343
8344         * gold.h (FUNCTION_NAME): Define.
8345         (gold_unreachable): Use FUNCTION_NAME.
8346
8347 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8348
8349         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8350         symbol in the --keep-unique list is not found.
8351
8352 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8353
8354         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8355         been maked as --keep-unique.
8356         (Icf::unfold_section): New function.
8357         * icf.h (Icf::unfold_section): New function.
8358         * options.h (General_options::keep_unique): New option.
8359         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8360         * testsuite/Makefile.in: Regenerate.
8361         * testsuite/icf_keep_unique_test.sh: New file.
8362         * testsuite/icf_keep_unique_test.cc: New file.
8363
8364 2009-08-12  Cary Coutant  <ccoutant@google.com>
8365
8366         PR 10471
8367         * resolve.cc (Symbol_table::resolve): Check for references from
8368         dynamic objects to hidden and internal symbols.
8369         * testsuite/Makefile.am (hidden_test.sh): New test.
8370         * testsuite/Makefile.in: Regenerate.
8371         * testsuite/hidden_test.sh: New script.
8372         * testsuite/hidden_test_1.c: New test source.
8373         * testsuite/hidden_test_main.c: New test source.
8374
8375 2009-08-11  Doug Kwan  <dougkwan@google.com>
8376
8377         * arm.cc: Update comments.
8378         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8379         segment to locate the .ARM.exidx section if present.
8380
8381 2009-08-09  Doug Kwan  <dougkwan@google.com>
8382
8383         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8384         patch.
8385
8386 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8387         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8388         compiler warnings.
8389
8390 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8391
8392         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8393         valid tls_segment only for non-debug-section relocations.
8394         * testsuite/Makefile.am: Add gc_tls_test.
8395         * testsuite/Makefile.in: Regenerate.
8396         * testsuite/gc_tls_test.cc: New file.
8397         * testsuite/gc_tls_test.sh: New file.
8398
8399 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8400
8401         * icf.cc: New file.
8402         * icf.h: New file.
8403         * Makefile.am (CCFILES): Add icf.cc.
8404         (HFILES): Add icf.h
8405         * Makefile.in: Regenerate.
8406         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8407         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8408         section, symbol and addend information for the relocs.
8409         * gold.cc (queue_middle_tasks): Call identical code folding.
8410         * gold.h: Add defines for multimap.
8411         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8412         to the call of finalize_local_symbols.
8413         * main.cc (main): Create object of class Icf.
8414         * object.cc (Sized_relobj::do_layout): Allow this function to be
8415         called twice during icf.
8416         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8417         to sections marked as identical by icf.
8418         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8419         when available.
8420         (Sized_relobj::do_section_entsize): New function.
8421         * object.h (Object::section_entsize): New function.
8422         (Object::do_section_entsize): New pure virtual function.
8423         (Relobj::finalize_local_symbols): Add new parameter.
8424         (Relobj::do_section_entsize): New function.
8425         * options.h (General_options::icf): New option.
8426         (General_options::icf_iterations): New option.
8427         (General_options::print_icf_sections): New option.
8428         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8429         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8430         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8431         icf.
8432         * symtab.cc (Symbol_table::is_section_folded): New function.
8433         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8434         to sections marked as identical by icf.
8435         * symtab.h (Symbol_table::set_icf): New function.
8436         (Symbol_table::icf): New function.
8437         (Symbol_table::is_section_folded): New function.
8438         (Symbol_table::icf_): New data member.
8439         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8440         * testsuite/Makefile.am: Add commands to build icf_test.
8441         * testsuite/Makefile.in: Regenerate.
8442         * testsuite/icf_test.sh: New file.
8443         * testsuite/icf_test.cc: New file.
8444
8445 2009-07-24  Chris Demetriou  <cgd@google.com>
8446
8447         * layout.cc (is_compressible_debug_section): Fix incorrect
8448         comment about compressed section names.
8449
8450 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8451
8452         PR 10419
8453         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8454
8455 2009-07-16  Ian Lance Taylor  <iant@google.com>
8456
8457         PR 10400
8458         * layout.h: #include <map>.
8459         (class Kept_section): Change from struct to class.  Add accessors
8460         and setters.  Add section size to Comdat_group mapping.  Change
8461         Comdat_group to std::map.  Add is_comdat_ field.  Add
8462         linkonce_size field in union.
8463         (class Layout): Update declaration of find_or_add_kept_section.
8464         Don't declare find_kept_object.
8465         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8466         parameter.  Add object, shndx, is_comdat, and is_group_name
8467         parameters.  Change all callers.  Adjust for new Kept_section.
8468         (Layout::find_kept_object): Remove.
8469         * object.cc (Sized_relobj::include_section_group): Update use of
8470         Kept_section.  Rename secnum to shndx.  Only record
8471         Kept_comdat_section if sections are the same size.
8472         (Sized_relobj::include_linkonce_section): Update use of
8473         Kept_section.  Only record Kept_comdat_section if sections are the
8474         same size.  Set size of linkonce section.
8475         (Sized_relobj::map_to_kept_section): Update call to
8476         get_kept_comdat_section.
8477         * object.h (class Sized_relobj): Rename fields in
8478         Kept_comdat_section to drop trailing underscores; change object
8479         field to Relobj*.  Change Kept_comdat_section_table to store
8480         struct rather than pointer.
8481         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8482         Add kept_object and kept_shndx parameters.  Change all callers.
8483         (Sized_relobj::get_kept_comdat_section): Change return type to
8484         bool.  Add kept_object and kept_shndx parameters.  Change all
8485         callers.
8486         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8487         Layout::find_or_add_kept_section.
8488
8489 2009-07-09  Ian Lance Taylor  <iant@google.com>
8490
8491         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8492         Reserve space in the hash table.
8493
8494 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8495
8496         * fileread.cc (File_read::get_mtime): New method.
8497         * fileread.h (Timespec): New structure.
8498         (File_read::get_mtime): New method.
8499         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8500         Renamed from timestamp_nsec.
8501         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8502         Elf_Xword.
8503         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8504         timestamp_nsec.
8505         (Incremental_inputs::report_archive): Save mtime; style fix.
8506         (Incremental_inputs::report_obejct): Save mtime; style fix.
8507         (Incremental_inputs::report_script): Save mtime; style fix.
8508         (Incremental_inputs::finalize_inputs): Style fix.
8509         (Incremental_inputs::finalize): Style fix.
8510         (Incremental_inputs::create_input_section_data): Store inputs
8511         mtime.
8512         * incremental.h (Incremental_inputs::report_script): Add mtime
8513         argument.
8514         (Incremental_inputs::Input_info::Input_info): Intialize only one
8515         union member.
8516         (Incremental_inputs::Input_info::archive): Move to nameless
8517         union.
8518         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8519         (Incremental_inputs::Input_info::script): Move to nameless union.
8520         (Incremental_inputs::mtime): New field.
8521         * script.cc (read_input_script): Pass file mtime to
8522         Incremental_input.
8523         * script.h (Script_info::inputs): Style fix.
8524
8525 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8526
8527         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8528         instead of 32.
8529
8530 2009-06-24  Ian Lance Taylor  <iant@google.com>
8531
8532         PR 10156
8533         * layout.cc (Layout::choose_output_section): If we find an
8534         existing section, update the flags.
8535         (Layout::create_notes): New function, broken out of
8536         Layout::finalize.
8537         (Layout::finalize): Don't create note sections.
8538         (Layout::create_note): Don't crash if linker script discards
8539         section.
8540         (Layout::create_gold_note): Likewise.
8541         (Layout::create_build_id): Likewise.  Don't set
8542         after_input_sections on the section.
8543         (Layout::create_executable_stack_info): Remove target parameter.
8544         Change caller.
8545         * layout.h (class Layout): Declare create_notes.  Update
8546         declaration of create_executable_stack_info.
8547         * gold.cc (queue_middle_tasks): Call create_notes.
8548         * output.cc (Output_section::update_flags_for_input_section): Move
8549         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8550         invalid.
8551         * output.h (Output_data::mark_address_invalid): New function.
8552         (class Output_section): Only declare, not define,
8553         update_flags_for_input_section.  Remove set_flags.
8554
8555 2009-06-24  Ian Lance Taylor  <iant@google.com>
8556
8557         * script-sections.cc (Output_section_definition::
8558         set_section_addresses): Rename shadowing local load_address to
8559         laddr.
8560
8561 2009-06-24  Ian Lance Taylor  <iant@google.com>
8562
8563         PR 10244
8564         * reloc.cc (relocate_sections): Skip empty relocation sections.
8565
8566 2009-06-23  Ian Lance Taylor  <iant@google.com>
8567
8568         PR 10156
8569         * layout.cc (Layout::create_note): Use choose_output_section
8570         rather than make_output_section.
8571
8572 2009-06-23  Ian Lance Taylor  <iant@google.com>
8573
8574         PR 10237
8575         * options.cc (General_options::parse_V): Set printed_version_.
8576         (General_options::General_options): Initialize printed_version_.
8577         * options.h (class General_options): Add printed_version_ field.
8578         * gold.cc (queue_initial_tasks): If there are no input files,
8579         don't give a fatal error if we printed the version information.
8580         (queue_middle_tasks): If using -r with a shared object, give a
8581         fatal error rather than an ordinary error.
8582
8583 2009-06-23  Ian Lance Taylor  <iant@google.com>
8584
8585         PR 10219
8586         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8587         (Layout::make_output_section): Set have_stabstr_section_ if we see
8588         a .stab*str section.
8589         (Layout::finalize): Call link_stabs_sections.
8590         (Layout::link_stabs_sections): New file.
8591         * layout.h (class Layout): Add have_stabstr_section_ field.
8592         Declare link_stabs_sections.
8593
8594 2009-06-23  Doug Kwan  <dougkwan@google.com>
8595
8596         * Makefile.am (libgold_a_LIBADD): New.
8597         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8598         * Makefile.in: Regenerate.
8599         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8600         * configure: Regenerate.
8601         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8602         * fileread.cc: Include sys/state.h
8603         * gold.h: Declare memmem and strndup if found missing.
8604         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8605
8606 2009-06-23  Ian Lance Taylor  <iant@google.com>
8607
8608         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8609         * configure: Rebuild.
8610
8611 2009-06-23  Ian Lance Taylor  <iant@google.com>
8612
8613         PR 10147
8614         * object.cc (Object::section_contents): Don't try to get a view if
8615         the section has length zero.
8616         (Object::handle_gnu_warning_section): If the section is empty, use
8617         the name of the section as the warning.
8618
8619 2009-06-23  Ian Lance Taylor  <iant@google.com>
8620
8621         PR 10133
8622         * stringpool.h (class Stringpool_template): Add optimize_ field.
8623         (Stringpool_template::set_optimize): New function.
8624         * stringpool.cc (Stringpool_template::Stringpool_template):
8625         Initialize optimize_ field.
8626         (Stringpool_template::set_string_offsets): Test local optimize
8627         fild rather than parameter.
8628         * layout.cc (Layout::Layout): Call set_optimize on the section
8629         name stringpool.
8630
8631 2009-06-22  Ian Lance Taylor  <iant@google.com>
8632
8633         PR 10030
8634         * yyscript.y: Parse TARGET.
8635         * script.cc (script_set_target): New function.
8636         * script-c.h (script_set_target): Declare.
8637         * options.cc (General_options::string_to_object_format): Rename
8638         from string_to_object_format in anonymous namespace.  Change
8639         callers.
8640         * options.h (class General_options): Declare
8641         string_to_object_format.
8642
8643 2009-06-22  Ian Lance Taylor  <iant@google.com>
8644
8645         * script-sections.cc (Script_sections::create_segments): Don't put
8646         program headers in a PT_LOAD segment if -n or -N.
8647
8648 2009-06-22  Ian Lance Taylor  <iant@google.com>
8649
8650         PR 10141
8651         * options.h (class General_options): Add -z lazy and -z now.  Sort
8652         -z options into alphabetical order.
8653         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8654
8655 2009-06-21  Ian Lance Taylor  <iant@google.com>
8656
8657         * layout.cc (Layout::make_output_section): Call
8658         Target::new_output_section.
8659         (Layout::attach_allocated_section_to_segment): Put large section
8660         sections in a separate load segment with the large segment flag
8661         set.
8662         (Layout::segment_precedes): Sort large data segments after other
8663         load segments.
8664         (align_file_offset): New static function.
8665         (Layout::set_segment_offsets): Use align_file_offset.
8666         * output.h (class Output_section): Add is_small_section_ and
8667         is_large_section_ fields.
8668         (Output_section::is_small_section): New function.
8669         (Output_section::set_is_small_section):  New function.
8670         (Output_section::is_large_section): New function.
8671         (Output_section::set_is_large_section): New function.
8672         (Output_section::is_large_data_section): New function.
8673         (class Output_segment): Add is_large_data_segment_ field.
8674         (Output_segment::is_large_data_segment): New function.
8675         (Output_segment::set_is_large_data_segment): New function.
8676         * output.cc (Output_section::Output_section): Initialize new
8677         fields.
8678         (Output_segment::Output_segment): Likewise.
8679         (Output_segment::add_output_section): Add assertion that large
8680         data sections always go in large data segments.  Force small data
8681         sections to the end of the list of data sections.  Force small BSS
8682         sections to the start of the list of BSS sections.  For large BSS
8683         sections to the end of the list of BSS sections.
8684         * symtab.h (class Symbol): Declare is_common_shndx.
8685         (Symbol::is_defined): Check Symbol::is_common_shndx.
8686         (Symbol::is_common): Likewise.
8687         (class Symbol_table): Define enum Commons_section_type.  Update
8688         declarations.  Add small_commons_ and large_commons_ fields.
8689         * symtab.cc (Symbol::is_common_shndx): New function.
8690         (Symbol_table::Symbol_table): Initialize new fields.
8691         (Symbol_table::add_from_object): Put small and large common
8692         symbols in the right list.
8693         (Symbol_table::sized_finalized_symbol): Check
8694         Symbol::is_common_shndx.
8695         (Symbol_table::sized_write_globals): Likewise.
8696         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8697         common symbol lists.  Don't call do_allocate_commons_list if the
8698         list is empty.
8699         (Symbol_table::do_allocate_commons_list): Remove is_tls
8700         parameter.  Add comons_section_type parameter.  Change all
8701         callers.  Handle small and large common symbols.
8702         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8703         Symbol::is_common_shndx.
8704         * resolve.cc (symbol_to_bits): Likewise.
8705         * target.h (Target::small_common_shndx): New function.
8706         (Target::small_common_section_flags): New function.
8707         (Target::large_common_shndx): New function.
8708         (Target::large_common_section_flags): New function.
8709         (Target::new_output_section): New function.
8710         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8711         small_common_section_flags, and large_common_section_flags
8712         fields.
8713         (Target::do_new_output_section): New virtual function.
8714         * arm.cc (Target_arm::arm_info): Initialize new fields.
8715         * i386.cc (Target_i386::i386_info): Likewise.
8716         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8717         Likewise.
8718         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8719         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8720         (Target_x86_64::do_new_output_section): New function.
8721         * configure.ac: Define conditional MCMODEL_MEDIUM.
8722         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8723         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8724         (large_LDFLAGS): Define.
8725         * testsuite/large.c: New file.
8726         * testsuite/testfile.cc (Target_test::test_target_info):
8727         Initialize new fields.
8728         * configure, testsuite/Makefile.in: Rebuild.
8729
8730 2009-06-05  Doug Kwan  <dougkwan@google.com>
8731
8732         * Makefile.am (CCFILES): Add target.cc.
8733         * Makefile.in: Regenerate.
8734         * i386.cc (class Target_i386): Define new virtual method to
8735         override do_is_local_label_name in parent.
8736         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8737         local symbols if --discard-locals or -X is given.
8738         * options.h (class General_options): Declare new options
8739         '--discard-locals' and '-X' for discarding locals.
8740         * target.h (class Target): Define new methods is_local_label_name.
8741         Declare new virtual method do_is_local_label_name.
8742         * target.cc: New file.
8743         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8744         (check_SCRIPTS): Add discard_locals_test.sh.
8745         (check_DATA): Add discard_local_tests.syms.
8746         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8747         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8748         * testsuite/Makefile.in: Regenerate.
8749         * testsuite/discard_locals_test.c: New file.
8750         * testsuite/discard_locals_test.sh: Same.
8751
8752 2009-06-05  Doug Kwan  <dougkwan@google.com>
8753
8754         * object.cc (Sized_relobj::Sized_relobj): Initialize
8755         discarded_eh_frame_shndx_ to -1U.
8756         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8757         section.
8758         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8759         a discarded .eh_frame section.
8760         (Sized_relobj::do_finalize_local_symbols): Ditto.
8761         * object.h (class Sized_relobj): Declare new member
8762         discarded_eh_frame_shndx_.
8763         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8764         (local_labels_test.o, local_labels_test): New rules.
8765         * testsuite/Makefile.in: Regenerate.
8766
8767 2009-06-04  Doug Kwan  <dougkwan@google.com>
8768
8769         * layout.cc (Layout::section_name_mapping): Add mapping for
8770         special ARM sections.
8771
8772 2009-06-03  Doug Kwan  <dougkwan@google.com>
8773
8774         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8775         (utils::has_overflow): Same.
8776
8777 2009-06-03  Ian Lance Taylor  <iant@google.com>
8778
8779         * layout.cc (Layout::section_name_mapping): New array, replacing
8780         Layout::linkonce_mapping.
8781         (Layout::section_name_mapping_count): New variable, replacing
8782         Layout::linkonce_mapping_count.
8783         (Layout::linkonce_output_name): Remove.
8784         (Layout::output_section_name): Rewrite.
8785         * layout.h (class Layout): Rename Linkonce_mapping to
8786         Section_name_mapping, linkonce_mapping to section_name_mapping,
8787         linkonce_mapping_count to section_name_mapping_count.  Don't
8788         declare linkonce_output_name.
8789
8790 2009-06-03  Doug Kwan  <dougkwan@google.com>
8791
8792         * gold/arm.cc (namespace utils): New.
8793         (Target_arm::reloc_is_non_pic): Define new method.
8794         (class Arm_relocate_functions): New.
8795         (Target_arm::Relocate::relocate): Handle relocation types used by
8796         Android.
8797
8798 2009-06-03  Ian Lance Taylor  <iant@google.com>
8799
8800         * arm.cc (Target_arm::scan::global): Use || instead of |.
8801
8802 2009-06-02  Doug Kwan  <dougkwan@google.com>
8803
8804         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8805         issued_non_pic_error_.
8806         (class Target_arm::Scan): Declare new method check_non_pic.
8807         Define new method symbol_needs_plt_entry.
8808         Declare new data member issued_non_pic_error_.
8809         (class Target_arm::Relocate): Declare new method
8810         should_apply_static_reloc.
8811         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8812         (Target_arm::Scan::check_non_pic): Define new method.
8813         (Target_arm::Scan::local): Handle a small subset of reloc types used
8814         by Android.
8815         (Target_arm::Scan::local): Same.
8816         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8817
8818 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8819
8820         * incremental.cc (Incremental_inputs::report_command_line): Filter
8821         out --incremental-* options.
8822
8823 2009-05-29  Doug Kwan  <dougkwan@google.com>
8824
8825         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8826         template class.
8827         (class Target_arm): Update comment.
8828         (Target_arm::Target_arm): Initialize new data members GOT_,
8829         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8830         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8831         and Target_arm::rel_dyn_section.
8832         Declare new_enum Target_arm::Got_type.
8833         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8834         and DYNBSS_.
8835         Update commments for member do_dynsym_value.
8836         (Target_arm::got_size, Target_arm::plt_section,
8837         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8838         new methods inside class defintion.
8839         (Target_arm::got_section): Define new method.
8840         (Target_arm::rel_dyn_section): Same.
8841         (Output_data_plt_arm): New template class.
8842         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8843         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8844         (Output_data_plt_arm::add_entry): Same.
8845         (Output_data_plt_arm::first_plt_entry): Define new
8846         static data member for PLT instruction template.
8847         (Output_data_plt_arm::plt_entry): Same.
8848         (Output_data_plt_arm::do_write): Define new method.
8849         (Target_arm::make_plt_entry): Same.
8850         (Target_arm::do_finalize_sections): Same.
8851         (Target_arm::do_dynsym_value): Same.
8852
8853 2009-05-28  Doug Kwan  <dougkwan@google.com>
8854
8855         * Makefile.am (TARGETSOURCES): Add arm.cc.
8856         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8857         * Makefile.in: Regenerate.
8858         * arm.cc: New file.
8859         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8860
8861 2009-05-26  Doug Kwan  <dougkwan@google.com>
8862
8863         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8864         (General_options::check_excluded_libs): Strip off directories in
8865         archive name before matching like GNU ld does.
8866         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8867         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8868         (exclude_libs_test_LDFLAGS): Add linker option
8869         -Wl,--exclude-libs,libexclude_libs_test_3
8870         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8871         an explicit archive without using -l.
8872         (alt/libexclude_libs_test_3.a): New make rule.
8873         * testsuite/Makefile.in: Regenerate.
8874         * testsuite/exclude_libs_test.c : Declare lib3_default().
8875         (main): Call it.
8876         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8877         * exclude_libs_test_3.c: New file.
8878
8879 2009-05-26  Nick Clifton  <nickc@redhat.com>
8880
8881         * po/id.po: New Indonesian translation.
8882         * po/gold.pot: Updated template file.
8883
8884 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8885
8886         * testsuite/Makefile.am: Add -ffunction-sections to compile
8887         gc_comdat_test files.  Add -Wl,--gc-sections to build
8888         gc_comdat_test.
8889         * testsuite/Makefile.in: Regenerate.
8890         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8891
8892 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8893
8894         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8895         kept comdat section was garbage collected.
8896         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8897         * testsuite/Makefile.in: Regenerate.
8898         * testsuite/gc_comdat_test.sh: New file.
8899         * testsuite/gc_comdat_test_1.cc: New file.
8900         * testsuite/gc_comdat_test_2.cc: New file.
8901
8902 2009-05-19  Doug Kwan  <dougkwan@google.com>
8903
8904         * archive.cc (Archive::Archive): Move constructor from archive.h
8905         to here.  Initialize no_export_.
8906         (Archive::get_elf_object_for_member): Set no_export flag of object.
8907         * archive.h (Archive::Archive): Move constructor body to
8908         archive.cc.
8909         (Archive::no_export): New method.
8910         (Archive::no_export_): New field.
8911         * object.h (Object::Object): Initialize no_export_ to false.
8912         (Object::no_export, Object::set_no_export): New methods.
8913         (Object::no_export_): New field.
8914         * options.cc (General_options::parse_exclude_libs): New method.
8915         (General_options::check_excluded_libs) Same.
8916         * options.h (exclude_libs): New option.
8917         (General_options::check_excluded_libs): New method declaration.
8918         (General_options::excluded_libs_): New field.
8919         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8920         default or protected visibility if an object has no-export flag set.
8921         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8922         (check_SCRIPTS): Add exclude_libs_test.sh.
8923         (check_DATA): Add exclude_libs_test.syms.
8924         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8925         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8926         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8927         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8928         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8929         libexclude_libs_test_2.a): New rules.
8930         * testsuite/Makefile.in: Regenerate.
8931         * testsuite/exclude_libs_test.c: New file.
8932         * testsuite/exclude_libs_test.sh: Ditto.
8933         * testsuite/exclude_libs_test_1.c: Ditto.
8934         * testsuite/exclude_libs_test_2.c: Ditto.
8935
8936 2009-05-15  Ian Lance Taylor  <iant@google.com>
8937
8938         * configure.ac: Check for declarations for cases where libiberty.h
8939         checks HAVE_DECL_xxx.
8940         * configure, config.in: Rebuild.
8941
8942 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8943
8944         * gold.h (Incremental_argument_list): Remove (invalid) forward
8945         declaration.
8946         * incremental.cc (Incremental_inputs::report_achive): New method.
8947         (Incremental_inputs::report_object): New method.
8948         (Incremental_inputs::report_script): New method.
8949         (Incremental_inputs::finalize_inputs): New method.
8950         (Incremental_inputs::finalize): Call finalize_inputs().
8951         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8952         Create inputs entries.
8953         * incremental.h (Incremental_input_type): New enum.
8954         (Incremental_inputs::Incremental_input): Initialize new fields.
8955         (Incremental_inputs::report_inputs): New method.
8956         (Incremental_inputs::report_achive): New method.
8957         (Incremental_inputs::report_object): New method.
8958         (Incremental_inputs::report_script): New method.
8959         (Incremental_inputs::finalize_inputs): New method.
8960         (Incremental_inputs::Input_info): New struct.
8961         (Incremental_inputs::Input_info_map): New typedef.
8962         (Incremental_inputs::lock_): New field.
8963         (Incremental_inputs::Inputs_): New field.
8964         (Incremental_inputs::Inputs_map): New field.
8965         * main.cc (main): Call Incremental_input::report_inputs.
8966         * options.h (Input_argument_list): Typedef moved from
8967         Input_arguments.
8968         (Input_file_group::Files): Remove, use ::Input_argument_list.
8969         (Input_file_group::Input_argument_list): Remove, use
8970         ::Input_argument_list.
8971         * plugin.cc (Plugin_manager::add_input_file): Add error in
8972         incremental build.
8973         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8974         functions.
8975         * script.cc (read_input_script): Call
8976         Incremental_input::report_script.
8977         * script.h (Script_info): New class.
8978
8979 2009-04-27  Ian Lance Taylor  <iant@google.com>
8980
8981         * x86_64.cc (do_adjust_output_section): Set entsize to
8982         plt_entry_size.
8983
8984 2009-04-23  Elliott Hughes  <enh@google.com>
8985
8986         * output.cc (Output_file::close): After short writes, continue
8987         writing from the correct offset in the buffer being written.
8988
8989 2009-04-23  Chris Demetriou  <cgd@google.com>
8990
8991         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8992         * configure: Regenerate.
8993         * config.in: Regenerate.
8994         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8995         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8996
8997 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8998
8999         * incremental.cc (Incremental_inputs_header_data): Renamed from
9000         Incremental_input_header_data.
9001         (Incremental_inputs_header_data::data_size): New field.
9002         (Incremental_inputs_header_data::put_input_file_count): Renamed
9003         from input_file_count.
9004         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9005         from command_line_offset.
9006         (Incremental_inputs_header_data::put_reserved): Renamed from
9007         put_reserved.
9008         (Incremental_inputs_entry_data): Renamed from
9009         Incremental_input_entry_data.
9010         (Incremental_inputs_entry_data::data_size): New field.
9011         (Incremental_inputs::report_command_line): New method.
9012         (Incremental_inputs::finalize): New method.
9013         (Incremental_inputs::create_incremental_inputs_data): New method.
9014         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9015         * incremental.h: New file.
9016         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9017        (Layout::finalize): Create incremental inputs section in
9018         incremental builds.
9019        (Layout::create_incremental_info_sections): New method.
9020         * layout.h (Layout::incremental_inputs): New method.
9021        (Layout::create_incremental_info_sections): New method.
9022        (Layout::incremental_inputs_): New field.
9023         * main.cc (main): Notify Incremental_input of the command line.
9024
9025 2009-04-01  Ian Lance Taylor  <iant@google.com>
9026             Mikolaj Zalewski  <mikolajz@google.com>
9027
9028         * gold.h (reserve_unordered_map): Define, three versions, one for
9029         each version of Unordered_map.
9030         * layout.cc (Layout::Layout): Remove options parameter.  Add
9031         number_of_input_files parameter.  Don't initialize options_.
9032         Initialize number_of_input_files_ and resized_signatures_.  Move
9033         sections_are_attached_.
9034         (Layout::layout_group): Reserve space for group_signatures_.
9035         (Layout::find_or_add_kept_section): Change name parameter to be a
9036         reference.  Resize signatures_ map when it gets large enough.
9037         (Layout::layout_eh_frame): Use parameters->options() instead of
9038         this->options_.
9039         (Layout::make_output_section): Likewise.
9040         (Layout::attach_allocated_section_to_segment): Likewise.
9041         (Layout::finalize, Layout::create_executable_stack): Likewise.
9042         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9043         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9044         * layout.h (class Layout): Update declarations.  Remove options_
9045         field.  Add number_of_input_files_ and resized_signatures_
9046         fields.  Move sections_are_attached_ field.
9047         * main.cc (main): Pass number of input files to Layout
9048         constructor.  Don't pass options.
9049
9050 2009-03-30  Ian Lance Taylor  <iant@google.com>
9051
9052         * ffsll.c (ffsll): Correct implementation.
9053
9054 2009-03-27  Ian Lance Taylor  <iant@google.com>
9055
9056         * ffsll.c: New file.
9057         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9058         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9059         * ftruncate.c (ftruncate): Declare before definition.
9060         * mremap.c (mremap): Likewise.
9061         * pread.c (pread): Likewise.
9062         * configure, Makefile.in, config.in: Rebuild.
9063
9064         * mremap.c: New file.
9065         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9066         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9067         (mremap): Declare if HAVE_MREMAP is not defined.
9068         * configure, Makefile.in, config.in: Rebuild.
9069
9070 2009-03-27  Cary Coutant  <ccoutant@google.com>
9071
9072         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9073         position independent.
9074         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9075         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9076
9077 2009-03-24  Cary Coutant  <ccoutant@google.com>
9078
9079         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9080         an executable.
9081         (needs_dynamic_reloc): Likewise.
9082
9083 2009-03-24  Ian Lance Taylor  <iant@google.com>
9084
9085         * yyscript.y (file_cmd): Recognize EXTERN.
9086         (extern_name_list, extern_name_list_body): New nonterminals.
9087         * script.cc (script_add_extern): Define.
9088         * script-c.h (script_add_extern): Declare.
9089
9090 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9091
9092         * object.cc (is_elf_object): Define.
9093         * object.h (is_elf_object): Declare.
9094         * archive.cc (Archive::get_elf_object_for_member): Call
9095         is_elf_object.
9096         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9097
9098 2009-03-24  Elliott Hughes  <enh@google.com>
9099
9100         * output.cc (Output_file::map_anonymous): Define.
9101         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9102         try an anonymous one.  Report the size if the mmap fails.
9103         * output.h (class Output_file): Declare map_anonymous.
9104
9105 2009-03-24  Ian Lance Taylor  <iant@google.com>
9106
9107         * target-select.cc (instantiate_target): Don't acquire the lock if
9108         the instantiated_target_ field has already been set.
9109
9110 2009-03-23  Ian Lance Taylor  <iant@google.com>
9111
9112         * gold-threads.h (class Initialize_lock): Define.
9113         * gold-threads.cc (class Initialize_lock_once): Define.
9114         (initialize_lock_control): New static variable.
9115         (initialize_lock_pointer): New static variable.
9116         (initialize_lock_once): New static function.
9117         (Initialize_lock::Initialize_lock): Define.
9118         (Initialize_lock::initialize): Define.
9119         * target-select.h: Include "gold-threads.h".
9120         (class Target_selector): Add lock_ and initialize_lock_ fields.
9121         Don't define instantiate_target, just declare it.
9122         * target-select.cc (Target_selector::Target_selector): Initialize
9123         new fields.
9124         (Target_selector::instantiate_target): Define.
9125         * descriptors.h: Include "gold-threads.h".
9126         (class Descriptors): Add initialize_lock_ field.
9127         * descriptors.cc (Descriptors::Descriptors): Initialize new
9128         field.
9129         (Descriptors::open): Use initialize_lock_ field
9130         * errors.h (class Errors): Add initialize_lock_ field.
9131         * errors.cc (Errors::Errors): Initialize new field.
9132         (Errors::initialize_lock): Use initialize_lock_ field.
9133         * powerpc.cc (class Target_selector_powerpc): Remove
9134         instantiated_target_ field.  In do_recognize call
9135         instantiate_target rather than do_instantiate_target.  In
9136         do_instantiate_target just allocate a new target.
9137         * sparc.cc (class Target_selector_sparc): Likewise.
9138
9139         * freebsd.h: New file.
9140         * i386.cc: Include "freebsd.h".
9141         (Target_i386): Derive from Target_freebsd rather than
9142         Sized_target.
9143         (Target_selector_i386): Derive from Target_selector_freebsd rather
9144         than Target_selector.
9145         * x86_64.cc: Include "freebsd.h".
9146         (Target_x86_64): Derive from Target_freebsd rather than
9147         Sized_target.
9148         (Target_selector_x86_64): Derive from Target_selector_freebsd
9149         rather than Target_selector.
9150         * target.h (class Target): Add adjust_elf_header and
9151         do_adjust_elf_header.
9152         * output.cc (Output_file_header:: do_sized_write): Call target
9153         adjust_elf_header routine.
9154         * configure.tgt: Set targ_osabi.
9155         * configure.ac: Define GOLD_DEFAULT_OSABI.
9156         * parameters.cc (Parameters::default_target): Pass
9157         GOLD_DEFAULT_OSABI to select_target.
9158         * target-select.h (class Target_selector): Make instantiate_target
9159         protected rather than private.
9160         * Makefile.am (HFILES): Add freebsd.h.
9161         * configure, Makefile.in, config.in: Rebuild.
9162
9163         * merge.cc (do_add_input_section): Correct pend value.  Change
9164         message about last entry not being null terminated from error to
9165         warning.
9166
9167 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9168
9169         * incremental.cc: New file.
9170         * Makefile.am (CCFILES): Add incremental.cc.
9171         * Makefile.in: Rebuild.
9172
9173 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9174
9175         * layout.cc (Layout::output_section_name): Preserve names
9176         of '.note.' sections.
9177
9178 2009-03-19  Ian Lance Taylor  <iant@google.com>
9179
9180         * descriptors.cc (Descriptors::open): Check that the options are
9181         valid before using them.
9182
9183 2009-03-18  Ian Lance Taylor  <iant@google.com>
9184
9185         * script-sections.h: Include <list>.
9186         (class Script_sections): Change Sections_elements from std::vector
9187         to std::list.  Typedef public Elements_iterator.  Add
9188         orphan_section_placement_, data_segment_align_start_, and
9189         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9190         field.
9191         * script-sections.cc (class Orphan_section_placement): New class.
9192         (class Sections_element): Add virtual functions is_relro and
9193         orphan_section_init.  Remove virtual function place_orphan_here.
9194         (class Output_section_definition): Add is_relro and
9195         orphan_section_init.  Remove place_orphan_here.
9196         (class Orphan_output_section): Likewise.
9197         (Script_sections::Script_sections): Update for field changes.
9198         (Script_sections::data_segment_align): Set saw_data_segment_align_
9199         and data_segment_align_start_, not data_segment_align_index.
9200         (Script_sections::data_segment_relro_end): Check
9201         saw_data_segment_align_.  Use data_segment_align_start_ rather
9202         than data_segment_align_index_.
9203         (Script_sections::place_orphan): Rewrite to use
9204         Orphan_section_placement.
9205
9206 2009-03-17  Ian Lance Taylor  <iant@google.com>
9207
9208         * archive.cc (Archive::add_symbols): Check for a version attached
9209         to the symbol name in the archive map.
9210         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9211         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9212         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9213         (ver_test_11.a): New target.
9214         * testsuite/Makefile.in: Rebuild.
9215
9216         * configure.ac: Check for chsize and posix_fallocate.  Replace
9217         ftruncate.
9218         * ftruncate.c: New file, from gnulib.
9219         * output.cc (posix_fallocate): Define dummy version if not
9220         HAVE_POSIX_FALLOCATE.
9221         (Output_file::map): Call posix_fallocate rather than lseek and
9222         write.
9223         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9224         * configure, Makefile.in, config.in: Rebuild.
9225
9226 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9227
9228         * layout.h (Layout::create_note): Add section_name parameter.
9229         * layout.cc (Layout::create_note): Likewise.
9230         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9231
9232 2009-03-17  Ian Lance Taylor  <iant@google.com>
9233
9234         * descriptors.cc: Include "options.h".
9235         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9236         (Descriptors::open): Always use O_CLOEXEC when opening a new
9237         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9238         then set FD_CLOEXEC.
9239
9240         * sparc.cc (class Target_sparc): Add has_got_section.
9241         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9242         make sure we have a GOT section.
9243
9244         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9245         (Target_sparc::Scan::local): Likewise.
9246         (Target_sparc::Scan::global): Likewise.
9247         (Target_sparc::Relocate::relocate): Likewise.
9248         (Target_sparc::Relocate::relocate_tls): Likewise.
9249
9250         * symtab.cc (Symbol_table::define_default_version): New function,
9251         broken out of add_from_object.
9252         (Symbol_table::add_from_object): Call define_default_version.
9253         (Symbol_table::define_special_symbol): Add resolve_oldsym
9254         parameter.  Change all callers.  If the version for a symbol comes
9255         from a version script, resolve it with the symbol with the same
9256         name with no version.  Also add the symbol without a version if
9257         appropriate.
9258         (do_define_in_output_data): If resolving with oldsym, don't delete
9259         sym.
9260         (do_define_in_output_segment): Likewise.
9261         (do_define_as_constant): Likewise.
9262         * symtab.h (class Symbol_table): Update declarations.
9263
9264 2009-03-13  Ian Lance Taylor  <iant@google.com>
9265
9266         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9267         (Read_symbols::requeue): New function.
9268         (Read_symbols::do_read_symbols): If make_elf_object fails because
9269         the target type is not configured, and the file was searched for,
9270         issue a warning and retry with the next directory.
9271         (Add_symbols::run): If the file has an incompatible format, and
9272         it was searched for, requeue the Read_symbols task.  On error,
9273         release the object.
9274         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9275         dirindex parameter to constructor.  Change all callers.  Declare
9276         incompatible_warning and requeue.
9277         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9278         input_argument_ and input_group_ fields.  Add them to
9279         constructor.  Change all callers.
9280         (class Read_script): Add dirindex_ field.  Add it to constructor.
9281         Change all callers.
9282         * archive.cc (Archive::setup): Remove input_objects parameter.
9283         Change all callers.
9284         (Archive::get_file_and_offset): Likewise.
9285         (Archive::read_all_symbols): Likewise.
9286         (Archive::read_symbols): Likewise.
9287         (Archive::get_elf_object_for_member): Remove input_objects
9288         parameter.  Add punconfigured parameter.  Change all callers.
9289         (Archive::add_symbols): Change return type to bool.  Check return
9290         value of include_member.
9291         (Archive::include_all_members): Likewise.
9292         (Archive::include_member): Change return type to bool.  Return
9293         false if first included object has incompatible target.  Set
9294         included_member_ field.
9295         (Add_archive_symbols::run): If add_symbols returns false, requeue
9296         Read_symbols task.
9297         * archive.h (class Archive): Add included_member_ field.
9298         Initialize it in constructor.  Add input_file and searched_for
9299         methods.  Update declarations.
9300         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9301         input_argument_ fields.  Add them to constructor.  Change all
9302         callers.
9303         * script.cc: Include "target-select.h".
9304         (class Parser_closure): Add skip_on_incompatible_target_ and
9305         found_incompatible_target_ fields.  Add
9306         skip_on_incompatible_target parameter to constructor.  Change all
9307         callers.  Add methods skip_on_incompatible_target,
9308         clear_skip_on_incompatible_target, found_incompatible_target, and
9309         set_found_incompatible_target.
9310         (read_input_script): Add dirindex parameter.  Change all callers.
9311         If parser finds an incompatible target, requeue Read_symbols
9312         task.
9313         (script_set_symbol): Clear skip_on_incompatible_target in
9314         closure.
9315         (script_add_assertion, script_parse_option): Likewise.
9316         (script_start_sections, script_add_phdr): Likewise.
9317         (script_check_output_format): New function.
9318         * script.h (read_input_script): Update declaration.
9319         * script-c.h (script_check_output_format): Declare.
9320         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9321         (ignore_cmd): Remove OUTPUT_FORMAT.
9322         * fileread.cc (Input_file::Input_file): Add explicit this.
9323         (Input_file::will_search_for): New function.
9324         (Input_file::open): Add pindex parameter.  Change all callers.
9325         * fileread.h (class Input_file): Add input_file_argument method.
9326         Declare will_search_for.  Update declarations.
9327         * object.cc (make_elf_object): Add punconfigured parameter.
9328         Change all callers.
9329         * object.h (class Object): Make input_file public.  Add
9330         searched_for method.
9331         (make_elf_object): Update declaration.
9332         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9333         restart search.
9334         * dirsearch.h (class Dirsearch): Update declaration.
9335         * options.h (class General_options): Add --warn-search-mismatch.
9336         * parameters.cc (Parameters::is_compatible_target): New function.
9337         * parameters.h (class Parameters): Declare is_compatible_target.
9338         * workqueue.cc (Workqueue::add_blocker): New function.
9339         * workqueue.h (class Workqueue): Declare add_blocker.
9340
9341         * fileread.cc (Input_file::open): Remove options parameter.
9342         Change all callers.
9343         (Input_file::open_binary): Likewise.
9344         * script.cc (read_input_script): Likewise.
9345         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9346         options parameter from constructor.  Change all callers.
9347         (class Read_script): Likewise.
9348         * fileread.h (class Input_file): Update declarations.
9349         * script.h (read_input_script): Update declaration.
9350
9351 2009-03-10  Nick Clifton  <nickc@redhat.com>
9352
9353         * po/es.po: New Spanish translation.
9354
9355 2009-03-06  Cary Coutant  <ccoutant@google.com>
9356
9357         * options.cc (parse_short_option): Keep dash_z from registering itself.
9358
9359 2009-03-03  Ian Lance Taylor  <iant@google.com>
9360
9361         PR 9918
9362         * target-reloc.h (relocate_section): Pass output_section to
9363         relocate.
9364         * i386.cc (Target_i386::should_apply_static_reloc): Add
9365         output_section parameter.  Change all callers.
9366         (Target_i386::Relocate::relocate): Add output_section parameter.
9367         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9368         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9369         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9370         * testsuite/two_file_shared.sh: New script.
9371         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9372         (check_DATA): Add two_file_shared.dbg.
9373         (two_file_shared.dbg): New target.
9374         * testsuite/Makefile.in: Rebuild.
9375
9376 2009-03-01  Ian Lance Taylor  <iant@google.com>
9377
9378         * configure.ac: Check for byteswap.h.
9379         * configure: Rebuild.
9380         * config.in: Rebuild.
9381
9382 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9383
9384         * layout.cc (Layout::find_or_add_kept_section): New function.
9385         (Layout::add_comdat): Removed.
9386         * layout.h (struct Kept_section): Move out of class Layout.
9387         Remove trailing underscores from field names.  Add group_sections
9388         field.  Rename group_ field to is_group.  Change all uses.
9389         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9390         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9391         comdat_groups_ field.
9392         (Sized_relobj::include_section_group): Use
9393         find_or_add_kept_section and Kept_section::group_sections.
9394         (Sized_relobj::include_linkonce_section): Likewise.
9395         * object.cc (class Sized_relobj): Don't define Comdat_group or
9396         Comdat_group_table.  Remove find_comdat_group and
9397         add_comdat_group.  Remove comdat_groups_ field.
9398         * plugin.cc (include_comdat_group): Use
9399         Layout::find_or_add_kept_section.
9400
9401 2009-02-28  Ian Lance Taylor  <iant@google.com>
9402
9403         * README: --gc-sections and map files are now supported.  Document
9404         some build requirements.
9405
9406         PR 6992
9407         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9408         relocatable link set the value of the section symbol to zero.
9409         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9410         relocatable link don't include the section address in the local
9411         symbol value.
9412
9413 2009-02-27  Ian Lance Taylor  <iant@google.com>
9414
9415         PR 6811
9416         * options.h (class Search_directory): Add is_system_directory.
9417         (class General_options): Declare is_in_system_directory.
9418         * options.cc (get_relative_sysroot): Make static.
9419         (get_default_sysroot): Make static.
9420         (General_optoins::is_in_system_directory): New function.
9421         * fileread.cc (Input_file::is_in_system_directory): New function.
9422         * fileread.h (class Input_file): Declare is_in_system_directory.
9423         * object.h (class Object): Add is_in_system_directory.
9424         (class Input_objects): Remove system_library_directory_ field.
9425         * object.cc (Input_objects::add_object): Don't set
9426         system_library_directory_.
9427         (input_objects::found_in_system_library_directory): Remove.
9428         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9429         parameter.  Change all callers.
9430         (Symbol_table::sized_write_globals): Likewise.
9431         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9432         Call Object::is_in_system_directory.
9433         * symtab.h (class Symbol_table): Update declarations.
9434
9435         PR 5990
9436         * descriptors.h (Open_descriptor): Add is_on_stack field.
9437         * descriptors.cc (Descriptors::open): If the descriptor is on the
9438         top of the stack, remove it.  Initialize is_on_stack field.
9439         (Descriptors::release): Only add pod to stack if it is not on the
9440         stack already.
9441         (Descriptors::close_some_descriptor): Clear stack_next and
9442         is_on_stack fields.
9443
9444         PR 7091
9445         * output.cc (Output_section::find_starting_output_address): Rename
9446         from starting_output_address; add PADDR parameter; change return
9447         type.
9448         * output.h (class Output_section): Declare
9449         find_starting_output_address instead of starting_output_address.
9450         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9451         section symbol for which we can't find a merge section.
9452
9453         PR 9836
9454         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9455         hidden or internal, force the symbol to be local.
9456         * resolve.cc (Symbol::override_visibility): Define.
9457         (Symbol::override_base): Use override_visibility.
9458         (Symbol_table::resolve): Likewise.
9459         (Symbol::override_base_with_special): Likewise.
9460         (Symbol_table::override_with_special): If the visibility is hidden
9461         or internal, force the symbol to be local.
9462         * symtab.h (class Symbol): Add set_visibility and
9463         override_visibility.
9464         * testsuite/ver_test_1.sh: New file.
9465         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9466         (check_DATA): Add ver_test_1.syms.
9467         (ver_test_1.syms): New target.
9468         * testsuite/Makefile.in: Rebuild.
9469
9470 2009-02-25  Cary Coutant  <ccoutant@google.com>
9471
9472         * layout.cc (Layout::choose_output_section): Don't rename sections
9473         when using a linker script that has a SECTIONS clause.
9474         * Makefile.in: Regenerate.
9475
9476         * testsuite/Makefile.am (script_test_5.sh): New test case.
9477         * testsuite/Makefile.in: Regenerate.
9478         * testsuite/script_test_5.cc: New file.
9479         * testsuite/script_test_5.sh: New file.
9480         * testsuite/script_test_5.t: New file.
9481
9482 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9483
9484         * archive.cc (Archive::include_member): Update calls to add_symbols.
9485         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9486         the Layout argument.
9487         * dynobj.h (do_add_symbols): Add the Layout argument.
9488         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9489         Layout argument.
9490         * object.h (Object::add_symbols): Add the Layout argument.
9491         (Object::do_add_symbols): Add the Layout argument.
9492         (Sized_relobj::do_add_symbols): Add the Layout argument.
9493         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9494         Unify the two versions.
9495         (Add_plugin_symbols): Remove.
9496         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9497         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9498         (Add_plugin_symbols): Remove.
9499         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9500         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9501         (Add_symbols::run): Make it work with Pulginobj.
9502
9503 2009-02-06  Ian Lance Taylor  <iant@google.com>
9504
9505         * object.cc (Sized_relobj::do_layout): Make info message start
9506         with lower case letter.
9507
9508 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9509
9510         * binary.cc: Fix file comment.
9511
9512         * options.h (enum Incremental_disposition): Define.
9513         (class General_options): Add new options: --incremental,
9514         --incremental_changed, --incremental_unchanged,
9515         --incremental_unknown.  Add incremental_disposition_ and
9516         implicit_incremental_ fields.
9517         (General_options::incremental_disposition): New function.
9518         (class Position_dependent_options): Add incremental_disposition
9519         option.
9520         (Position_dependent_options::copy_from_options): Set incremental
9521         dispositions.
9522         * options.cc (General_options::parse_incremental_changed): New
9523         function.
9524         (General_options::parse_incremental_unchanged): New function.
9525         (General_options::parse_incremental_unknown): New function.
9526         (General_options::General_options): Initialize new fields
9527         incremental_disposition_ and implicit_incremental_.
9528         (General_options::finalize): Check for uasge of --incremental-*
9529         without --incremental.
9530
9531 2009-02-06  Chris Demetriou  <cgd@google.com>
9532
9533         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9534         pointer and to report location as the file name associated with
9535         the symbol.
9536         (gold_undefined_symbol_at_location): New function to replace the
9537         old gold_undefined_symbol functionality.
9538         * target-reloc.h (relocate_section): Update to use
9539         gold_undefined_symbol_at_location.
9540         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9541         Call gold_undefined_symbol function rather than gold_error.
9542         * errors.h (Errors::undefined_symbol): Take location as a
9543         string, rather than calculating it from a relocation.
9544         * errors.cc (Errors::fatal): Print "fatal error:" before the
9545         formatted message.
9546         (Errors::error, Errors::error_at_location): Print "error: "
9547         before the formatted message.
9548         (Errors::undefined_symbol): Take location as a string, rather
9549         than calculating it from a relocation.
9550         (gold_undefined_symbol_at_location): New function akin to
9551         old gold_undefined_symbol, calculates location from relocation.
9552         (gold_undefined_symbol): Change to take only a Symbol pointer
9553         and to report location as the file name associated with the symbol.
9554         * testsuite/debug_msg.sh: Update for changed error messages.
9555         * testsuite/undef_symbol.sh: Likewise.
9556
9557 2009-02-04  Duncan Sands  <baldrick@free.fr>
9558
9559         PR 9812
9560         * reduced_debug_output.h
9561         (Output_reduced_debug_abbrev_section::failed): Use format for
9562         gold_warning.
9563         (Output_reduced_debug_info_section::faild): Likewise.
9564
9565 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9566
9567         * script.cc (Lazy_demangler): New class.
9568         (Version_script_info::get_symbol_version_helper): Demangle a
9569         symbol only once.
9570
9571 2009-01-29  Cary Coutant  <ccoutant@google.com>
9572
9573         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9574         to __tls_get_addr.
9575         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9576
9577 2009-01-28  Ian Lance Taylor  <iant@google.com>
9578
9579         * version.cc (version_string): Bump to 1.9.
9580
9581         * gold.h: Include <cstring> and <stdint.h>.
9582         * version.cc: Include <cstdio>.
9583         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9584         warning.
9585         * reduced_debug_output.cc (insert_into_vector): Rename from
9586         Insert_into_vector; change all callers.  Use Swap_unaligned to
9587         avoid aliasing issue; remove union since it is unnecessary.
9588
9589 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9590
9591         * Makefile.am (CCFILES): Add gc.cc.
9592         (HFILES): Add gc.h.
9593         * Makefile.in: Regenerate.
9594         * gold.cc (Gc_runner): New class.
9595         (queue_initial_tasks): Call garbage collection related tasks
9596         when corresponding options are invoked.
9597         (queue_middle_gc_tasks): New function.
9598         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9599         processed early before laying out sections during garbage collection.
9600         * gold.h (queue_middle_gc_tasks): New function.
9601         (is_prefix_of): Move from "layout.cc".
9602         * i386.cc (Target_i386::gc_process_relocs): New function.
9603         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9604         * main.cc (main): Create object of class "Garbage_collection".
9605         * object.cc (Relobj::copy_symbols_data): New function.
9606         (Relobj::is_section_name_included): New function.
9607         (Sized_relobj::do_layout): Allow this function to be called twice
9608         during garbage collection and defer layout of section during the
9609         first call.
9610         * object.h (Relobj::get_symbols_data): New function.
9611         (Relobj::is_section_name_included): New function.
9612         (Relobj::copy_symbols_data): New function.
9613         (Relobj::set_symbols_data): New function.
9614         (Relobj::get_relocs_data): New function.
9615         (Relobj::set_relocs_data): New function.
9616         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9617         (Relobj::gc_process_relocs): New function.
9618         (Relobj::do_gc_process_relocs): New pure virtual function.
9619         (Relobj::sd_): New data member.
9620         (Sized_relobj::is_output_section_offset_invalid): New function.
9621         (Sized_relobj::do_gc_process_relocs): New function.
9622         * options.h (General_options::gc_sections): Modify to not be a no-op.
9623         (General_options::print_gc_sections): New option.
9624         * plugin.cc (Plugin_finish::run): Remove function call to
9625         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9626         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9627         * reloc.cc (Read_relocs::run): Add task to process relocs and
9628         determine unreferenced sections when doing garbage collection.
9629         (Gc_process_relocs): New class.
9630         (Sized_relobj::do_gc_process_relocs): New function.
9631         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9632         sections that are garbage collected.
9633         * reloc.h (Gc_process_relocs): New class.
9634         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9635         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9636         symbols whose corresponding sections are garbage collected.
9637         (Symbol_table::Symbol_table): Add new parameter for the garbage
9638         collection object.
9639         (Symbol_table::gc_mark_undef_symbols): New function.
9640         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9641         (Symbol_table::gc_mark_dyn_syms): New function.
9642         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9643         as garbage.
9644         (Symbol_table::add_from_object): Likewise.
9645         (Symbol_table::add_from_relobj): When building shared objects, do not
9646         treat externally visible symbols as garbage.
9647         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9648         table information for static and relocatable links.
9649         * symtab.h (Symbol_table::set_gc): New function.
9650         (Symbol_table::gc): New function.
9651         (Symbol_table::gc_mark_undef_symbols): New function.
9652         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9653         (Symbol_table::gc_mark_dyn_syms): New function.
9654         (Symbol_table::gc_): New data member.
9655         * target.h (Sized_target::gc_process_relocs): New pure virtual
9656         function.
9657         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9658         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9659
9660 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9661
9662         * options.h (General_options::gc_sections): Define as a no-op for now.
9663         (General_options::no_keep_memory): Ditto.
9664         (General_options::Bshareable): Define.
9665         * options.cc (General_options::finalize): Honor -Bshareable.
9666
9667 2009-01-20  Andreas Schwab  <schwab@suse.de>
9668
9669         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9670         read the value in the contents, since we don't use it.  Use the
9671         template endianness when writing.
9672         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9673
9674 2009-01-19  Andreas Schwab  <schwab@suse.de>
9675
9676         * configure.tgt (powerpc64-*): Fix targ_obj.
9677
9678 2009-01-15  Ian Lance Taylor  <iant@google.com>
9679
9680         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9681         local symbols when stripping all symbols.
9682
9683 2009-01-14  Cary Coutant  <ccoutant@google.com>
9684
9685         * output.cc (Output_reloc): Add explicit instantiations.
9686
9687 2009-01-14  Cary Coutant  <ccoutant@google.com>
9688
9689         * archive.cc (Archive::get_elf_object_for_member): Remove call
9690         to File_read::claim_for_plugin.
9691         * descriptors.cc (Descriptors::open): Remove reference to
9692         is_claimed.
9693         (Descriptors::claim_for_plugin): Remove.
9694         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9695         (Descriptors::is_claimed): Remove.
9696         (claim_descriptor_for_plugin): Remove.
9697         * fileread.cc (File_read::claim_for_plugin): Remove.
9698         * fileread.h (File_read::claim_for_plugin): Remove.
9699         (File_read::descriptor): Reopen descriptor if necessary.
9700         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9701         (Plugin_manager::all_symbols_read): Add task parameter. Change
9702         all callers.
9703         (Plugin_manager::get_input_file): New function.
9704         (Plugin_manager::release_input_file): New function.
9705         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9706         corresponding data member.
9707         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9708         and pass to base constructor. Change all callers.
9709         (get_input_file, release_input_file): New functions.
9710         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9711         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9712         (Plugin_manager::all_symbols_read): Add task parameter.
9713         (Plugin_manager::get_input_file): New function.
9714         (Plugin_manager::release_input_file): New function.
9715         (Plugin_manager::task_): New data member.
9716         (Pluginobj::Pluginobj): Add filesize parameter.
9717         (Pluginobj::filename): New function.
9718         (Pluginobj::descriptor): New function.
9719         (Pluginobj::filesize): New function.
9720         (Pluginobj::filesize_): New data member.
9721         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9722         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9723         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9724
9725         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9726         with archive libraries.
9727         * testsuite/Makefile.in: Regenerate.
9728         * testsuite/plugin_test.c (struct sym_info): New type.
9729         (get_input_file, release_input_file): New static variables.
9730         (onload): Capture new transfer vector entries.
9731         (claim_file_hook): Stop reading at end of file according to filesize.
9732         Factor out parsing of readelf output into separate function.
9733         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9734         APIs and get the source file name from the symbol table.  Convert
9735         source file name to corresponding object file name.  Print info
9736         message when adding new input files.
9737         (parse_readelf_line): New function.
9738         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9739         * testsuite/plugin_test_2.sh: Likewise.
9740         * testsuite/plugin_test_3.sh: Likewise.
9741         * testsuite/plugin_test_4.sh: New test case.
9742
9743 2009-01-07  Ian Lance Taylor  <iant@google.com>
9744
9745         * version.cc (version_string): Bump to 1.8.
9746
9747 2008-12-23  Cary Coutant  <ccoutant@google.com>
9748
9749         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9750         * plugin.cc (Plugin_manager::finish): Rename as
9751         layout_deferred_objects.  Move cleanup to separate function.
9752         (Plugin_manager::cleanup): New function.
9753         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9754         separately.
9755         * plugin.h (Plugin_manager::finish): Rename as
9756         layout_deferred_objects.
9757         (Plugin_manager::cleanup): New function.
9758         (Plugin_manager::cleanup_done): New field.
9759
9760 2008-12-23  Cary Coutant  <ccoutant@google.com>
9761
9762         * plugin.cc (is_visible_from_outside): New function.
9763         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9764         so we don't return "IR only" status for exported symbols or -r links.
9765
9766         * testsuite/Makefile.am (plugin_test_3): New test case.
9767         * testsuite/Makefile.in: Regenerate.
9768         * testsuite/plugin_test_3.sh: New file.
9769
9770 2008-12-22  Cary Coutant  <ccoutant@google.com>
9771
9772         * object.cc (Sized_relobj::layout_section): New function.
9773         (Sized_relobj::do_layout): Defer layout of input sections until after
9774         plugin has provided replacement files.
9775         (Sized_relobj::do_layout_deferred_sections): New function.
9776         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9777         (Relobj::layout_deferred_sections): New function.
9778         (Relobj::do_layout_deferred_sections): New function.
9779         (Sized_relobj::do_layout_deferred_sections): New function.
9780         (Sized_relobj::layout_section): New function.
9781         (Sized_relobj::Deferred_layout): New structure.
9782         (Sized_relobj::deferred_layout_): New field.
9783         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9784         Change all callers.  Layout deferred sections.
9785         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9786         references.
9787         (Plugin_hook::run): Move code from do_plugin_hook inline.
9788         (Plugin_hook::do_plugin_hook): Remove.
9789         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9790         (Plugin_manager::finish): Renamed, was cleanup.
9791         (Plugin_manager::should_defer_layout): New function.
9792         (Plugin_manager::add_deferred_layout_object): New function.
9793         (Plugin_manager::Deferred_layout_list): New type.
9794         (Plugin_manager::deferred_layout_objects_): New field.
9795         (Plugin_hook::do_plugin_hook): Remove.
9796
9797 2008-12-17  Ian Lance Taylor  <iant@google.com>
9798
9799         * options.h (class General_options): Add --no case for
9800         --export-dynamic.
9801
9802 2008-12-16  Cary Coutant  <ccoutant@google.com>
9803
9804         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9805         vector.
9806         (Plugin_manager::claim_file): Create plugin object even if
9807         plugin did not call the add_symbols callback.
9808         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9809         asking for more symbols than were added.
9810         * testsuite/Makefile.am (plugin_test_1): Add test case with
9811         no global symbols.
9812         (empty.syms): New target.
9813         * testsuite/Makefile.in: Regenerate.
9814         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9815         message. Don't call add_symbols if no globals.
9816         (all_symbols_read_hook): Don't provide replacement for empty
9817         claimed file.
9818
9819 2008-12-12  Ian Lance Taylor  <iant@google.com>
9820
9821         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9822         r_type == 0 for a local symbol with r_sym == 0.
9823         (scan_relocatable_relocs): Pass r_sym to
9824         local_non_section_strategy.
9825         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9826         r_sym parameter.
9827
9828         * configure.ac: Update test for TLS descriptors: they are
9829         supported as of glibc 2.9.
9830         * configure: Rebuild.
9831
9832 2008-12-11  Ian Lance Taylor  <iant@google.com>
9833
9834         PR 7091
9835         * target-reloc.h (Default_scan_relocatable_relocs): For each
9836         function, map r_type == 0 to RELOC_DISCARD.
9837
9838 2008-12-10  Cary Coutant  <ccoutant@google.com>
9839
9840         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9841         object to override a kept COMDAT group from a plugin object.
9842
9843 2008-12-09  Ian Lance Taylor  <iant@google.com>
9844
9845         PR 7088
9846         * yyscript.y (file_cmd): Handle INPUT.
9847
9848         * testsuite/initpri1.c: Change all declarations to be full
9849         prototypes by adding void, to avoid compiler warnings.
9850
9851 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9852
9853         * options.cc (General_options::parse_plugin_opt): New.
9854         (General_options::add_plugin): The argument now is just the filename.
9855         (General_options::add_plugin_option): New.
9856         * options.h (plugin_opt): New.
9857         (add_plugin): Change argument name.
9858         (add_plugin_option): New.
9859         * plugin.cc (Plugin::load): Don't parse the plugin option.
9860         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9861         (Plugin::add_option): New.
9862         (Plugin::args_): Change type.
9863         (Plugin::filename_): New.
9864         (Plugin_manager::add_plugin_option): New.
9865         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9866         * testsuite/Makefile.in: Regenerate.
9867
9868 2008-12-05  Cary Coutant  <ccoutant@google.com>
9869
9870         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9871         Handle --strip-lto-sections option.
9872         * options.h (strip_lto_sections): New option.
9873
9874 2008-12-01  Cary Coutant  <ccoutant@google.com>
9875
9876         * plugin.cc (ld_plugin_message): Change format parameter to const.
9877         Fix mismatch between new[] and delete.
9878
9879 2008-11-14  Cary Coutant  <ccoutant@google.com>
9880
9881         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9882         instead of -1U.
9883
9884 2008-11-05  Craig Silverstein  <csilvers@google.com>
9885
9886         * options.cc (General_options::parse_dynamic_list): New function.
9887         * options.h (General_options): New flags dynamic_list,
9888         dynamic_list_data, dynamic_list_cpp_new, and
9889         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9890         (General_options::in_dynamic_list): New function.
9891         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9892         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9893         (Lex::can_continue_name): Likewise.
9894         (yylex): Likewise.
9895         (read_script_file): New parameter script_options.
9896         (read_dynamic_list): New function.
9897         (Script_options::define_dynamic_list): New function.
9898         (dynamic_list_keyword_parsecodes): New variable.
9899         (dynamic_list_keywords): New variable.
9900         * script.h (Script_options::define_dynamic_list): New function
9901         prototype.
9902         (read_dynamic_list): New function prototype.
9903         * symtab.cc (strprefix): New macro.
9904         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9905         dynamic_list_data, dynamic_list_cpp_new, and
9906         dynamic_list_cpp_typeinfo.
9907         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9908         (dynamic_list_expr): New rule.
9909         (dynamic_list_nodes): Likewise.
9910         (dynamic_list_node): Likewise.
9911         * testsuite/Makefile.am (dynamic_list): New test.
9912         * testsuite/Makefile.in: Regenerated.
9913         * testsuite/dynamic_list.t: New file.
9914         * testsuite/dynamic_list.sh: New file.
9915
9916 2008-11-05  Craig Silverstein  <csilvers@google.com>
9917
9918         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9919         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9920         (t11_last): Likewise.
9921         * testsuite/ver_test_6.c (main): Likewise.
9922
9923 2008-10-07  Cary Coutant  <ccoutant@google.com>
9924
9925         * options.c (General_options::finalize): Add check for -static and
9926         -shared.
9927         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9928         is not empty.
9929
9930 2008-10-02  Cary Coutant  <ccoutant@google.com>
9931
9932         * plugin.cc (make_sized_plugin_object): Fix conditional
9933         compilation to work when not all targets are enabled.
9934
9935 2008-09-29  Cary Coutant  <ccoutant@google.com>
9936
9937         * archive.cc (Archive::get_file_and_offset): Use filename instead
9938         of name to get library path.
9939         (Archive::include_member): Unlock external member of a thin archive.
9940
9941         * testsuite/Makefile.am (TEST_AR): New variable.
9942         (thin_archive_test_1): New test.
9943         (thin_archive_test_2): New test.
9944         * testsuite/Makefile.in: Regenerate.
9945         * testsuite/thin_archive_main.cc: New file.
9946         * testsuite/thin_archive_test_1.cc: New file.
9947         * testsuite/thin_archive_test_2.cc: New file.
9948         * testsuite/thin_archive_test_3.cc: New file.
9949         * testsuite/thin_archive_test_4.cc: New file.
9950
9951 2008-09-29  Cary Coutant  <ccoutant@google.com>
9952
9953         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9954         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9955         instead of -1U.
9956         (Sized_relobj::do_finalize_local_symbols): Likewise.
9957         (Sized_relobj::map_to_kept_section): Likewise.
9958         * object.h (Sized_relobj::invalid_address): New constant.
9959         (Sized_relobj::do_output_section_offset): Check for invalid_address
9960         and return -1ULL.
9961         * output.cc (Output_reloc::local_section_offset): Use constant
9962         invalid_address instead of -1U.
9963         (Output_reloc::get_address): Likewise.
9964         (Output_section::output_address): Change -1U to -1ULL.
9965         * output.h (Output_reloc::invalid_address): New constant.
9966         * reloc.cc (Sized_relobj::write_sections): Use constant
9967         invalid_address instead of -1U.
9968         (Sized_relobj::relocate_sections): Likewise.
9969         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9970         values for merge sections.
9971         * target-reloc.h (relocate_for_relocatable): Use constant
9972         invalid_address instead of -1U.
9973
9974 2008-09-19  Cary Coutant  <ccoutant@google.com>
9975
9976         Add plugin functionality for link-time optimization (LTO).
9977         * configure.ac (plugins): Add --enable-plugins option.
9978         * configure: Regenerate.
9979         * config.in: Regenerate.
9980         * Makefile.am (LIBDL): New variable.
9981         (CCFILES): Add plugin.cc.
9982         (HFILES): Add plugin.h.
9983         (ldadd_var): Add LIBDL.
9984         * Makefile.in: Regenerate.
9985
9986         * archive.cc: Include "plugin.h".
9987         (Archive::setup): Don't preread archive symbols when using a plugin.
9988         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9989         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9990         files.
9991         (Archive::include_member): Add symbols from plugin objects.
9992         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9993         * descriptors.cc (Descriptors::open): Check for file descriptors
9994         abandoned by plugins.
9995         (Descriptors::claim_for_plugin): New function.
9996         * descriptors.h (Descriptors::claim_for_plugin): New function.
9997         (Open_descriptor::is_claimed): New field.
9998         (claim_descriptor_for_plugin): New function.
9999         * fileread.cc (File_read::claim_for_plugin): New function.
10000         * fileread.h (File_read::claim_for_plugin): New function.
10001         (File_read::descriptor): New function.
10002         * gold.cc: Include "plugin.h".
10003         (queue_initial_tasks): Add task to call plugin hooks for generating
10004         new object files.
10005         * main.cc: Include "plugin.h".
10006         (main): Load plugin libraries.
10007         * object.h (Pluginobj): Declare.
10008         (Object::pluginobj): New function.
10009         (Object::do_pluginobj): New function.
10010         (Object::set_target): New function.
10011         * options.cc: Include "plugin.h".
10012         (General_options::parse_plugin): New function.
10013         (General_options::General_options): Initialize plugins_ field.
10014         (General_options::add_plugin): New function.
10015         * options.h (Plugin_manager): Declare.
10016         (General_options): Add --plugin option.
10017         (General_options::has_plugins): New function.
10018         (General_options::plugins): New function.
10019         (General_options::add_plugin): New function.
10020         (General_options::plugins_): New field.
10021         * plugin.cc: New file.
10022         * plugin.h: New file.
10023         * readsyms.cc: Include "plugin.h".
10024         (Read_symbols::do_read_symbols): Check for archive before checking
10025         for ELF file.  Call plugin hooks to claim files.
10026         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10027         from a real object file; force override when processing replacement
10028         files.
10029         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10030         (Symbol::init_base_object): Likewise.
10031         (Symbol::init_base_output_data): Likewise.
10032         (Symbol::init_base_output_segment): Likewise.
10033         (Symbol::init_base_constant): Likewise.
10034         (Symbol::init_base_undefined): Likewise.
10035         (Symbol::output_section): Assert that object is not a plugin.
10036         (Symbol_table::add_from_pluginobj): New function.
10037         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10038         undefined.
10039         (Symbol_table::sized_write_globals): Likewise.
10040         (Symbol_table::add_from_pluginobj): Instantiate template.
10041         * symtab.h (Sized_pluginobj): Declare.
10042         (Symbol::in_real_elf): New function.
10043         (Symbol::set_in_real_elf): New function.
10044         (Symbol::in_real_elf_): New field.
10045         (Symbol_table::add_from_pluginobj): New function.
10046
10047         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10048         (LIBDL): New variable.
10049         (LDADD): Add LIBDL.
10050         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10051         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10052         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10053         (MOSTLYCLEANFILES): Likewise.
10054         * testsuite/Makefile.in: Regenerate.
10055         * testsuite/plugin_test.c: New file.
10056         * testsuite/plugin_test_1.sh: New file.
10057         * testsuite/plugin_test_2.sh: New file.
10058
10059 2008-09-16  Ian Lance Taylor  <iant@google.com>
10060
10061         * target-reloc.h (relocate_section): Check whether a symbol is
10062         defined by the ABI before reporting an undefined symbol error.
10063         * target.h (Target::is_defined_by_abi): Make parameter const.
10064         (Target::do_is_defined_by_abi): Likewise.
10065         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10066         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10067         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10068         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10069         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10070         * testsuite/Makefile.in: Rebuild.
10071
10072         * fileread.cc (make_view): Add casts to avoid warning.
10073
10074 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10075
10076         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10077         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10078
10079 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10080
10081         * options.h (General_options::output_is_executable): New.
10082         (General_options::output_is_pie): New.
10083         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10084         for shared libraries.
10085         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10086
10087 2008-09-11  Chris Demetriou  <cgd@google.com>
10088
10089         * options.h (origin): New -z option.
10090         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10091         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10092         in DT_FLAGS_1.
10093
10094 2008-09-05  Cary Coutant  <ccoutant@google.com>
10095
10096         * fileread.cc (File_read::make_view): Add check for attempt to map
10097         beyond end of file.
10098
10099 2008-09-05  Cary Coutant  <ccoutant@google.com>
10100
10101         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10102         explicit instantiations.
10103
10104 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10105
10106         PR gold/6858
10107         * options.cc (General_options::finalize): Allow undefined symbols
10108         in shlibs if linking -shared.
10109
10110         PR gold/6859
10111         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10112         symbols as not needing a dynsym entry.
10113
10114 2008-08-20  Craig Silverstein  <csilvers@google.com>
10115
10116         * fileread.cc (File_read::open): Do not lock the file unless it
10117         was successfully opened.
10118
10119 2008-08-14  Cary Coutant  <ccoutant@google.com>
10120
10121         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10122         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10123         * testsuite/tls_test.cc (struct int128): 128-bit struct
10124         for testing TLS relocs with non-zero addend.
10125         (v12): New TLS variable.
10126         (t12): New test.
10127         (t_last): Add check for v12.
10128         * testsuite/tls_test.h (t12): New function.
10129         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10130
10131 2008-08-13  Ian Lance Taylor  <iant@google.com>
10132
10133         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10134         set tls_segment_ or relro_segment_.
10135         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10136         when appropriate.
10137         * output.h (Output_section::clear_is_relro): New function.
10138         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10139         sections specially even when output_data_ is empty.
10140         (Output_segment::maximum_alignment): When first section is relro,
10141         only force alignment for PT_LOAD segments.
10142         * script.cc (script_data_segment_align): New function.
10143         (script_data_segment_relro_end): New function.
10144         * script-c.h (script_data_segment_align): Declare.
10145         (script_data_segment_relro_end): Declare.
10146         * script-sections.h (class Script_sections): Declare
10147         data_segment_align and data_segment_relro_end.  Add fields
10148         segment_align_index_ and saw_relro_end_.
10149         * script-sections.cc (class Sections_element): Add set_is_relro
10150         virtual function.  Add new bool* parameter to place_orphan_here.
10151         Add get_output_section virtual function.
10152         (class Output_section_definition): Add set_is_relro.  Add new
10153         bool* parameter to place_orphan_here.  Add get_output_section.
10154         Add is_relro_ field.
10155         (Output_section_definition::Output_section_definition): Initialize
10156         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10157         and is_relro_ fields.
10158         (Output_section_definition::place_orphan_here): Add is_relro
10159         parameter.
10160         (Output_section_definition::set_section_addresses): Set relro for
10161         output section.
10162         (Output_section_definition::alternate_constraint): Likewise.
10163         (class Orphan_output_section): Add new bool* parameter to
10164         place_orphan_here.  Add get_output_section.
10165         (Orphan_output_section::place_orphan_here): Add is_relro
10166         parameter.
10167         (Script_sections::Script_sections): Initialize
10168         data_segment_align_index_ and saw_relro_end_.
10169         (Script_sections::data_segment_align): New function.
10170         (Script_sections::data_segment_relro_end): New function.
10171         (Script_sections::place_orphan): Set or clear is_relro.
10172         (Script_sections::set_section_addresses): Force alignment of first
10173         TLS section.
10174         * yyscript.y (exp): Call script_data_segment_align and
10175         script_data_segment_relro_end.
10176         * testsuite/relro_script_test.t: New file.
10177         * testsuite/relro_test.cc (using_script): Declare.
10178         (t1, t2): Test using_script.
10179         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10180         (relro_script_test_SOURCES): Define.
10181         (relro_script_test_DEPENDENCIES): Define.
10182         (relro_script_test_LDFLAGS): Define.
10183         (relro_script_test_LDADD): Define.
10184         (relro_script_test.so): New target.
10185         * testsuite/Makefile.in: Rebuild.
10186
10187 2008-08-06  Cary Coutant <ccoutant@google.com>
10188
10189         * archive.cc (Archive::total_archives, Archive::total_members)
10190         (Archive::total_members_loaded): New variables.
10191         (Archive::setup): Add parameter.  Add option to preread
10192         archive symbols.
10193         (Archive::read_armap): Add counter.
10194         (Archive::get_file_and_offset): New function.
10195         (Archive::get_elf_object_for_member): New function.
10196         (Archive::read_all_symbols): New function.
10197         (Archive::read_symbols): New function.
10198         (Archive::add_symbols): Add counters.
10199         (Archive::include_all_members): Use armap to find members if it's
10200         already built.
10201         (Archive::include_member): Skip reading symbols if already read.
10202         Factored code into Archive::get_file_and_offset and
10203         Archive::get_elf_object_for_member.  Changed call to
10204         Mapfile::report_include_archive_member.
10205         (Archive::print_stats): New function.
10206         * archive.h: Declare Object and Read_symbols_data classes.
10207         (Archive::Archive): Add initializers for new members.
10208         (Archive::setup): Add parameter.
10209         (Archive::print_stats): New function.
10210         (Archive::total_archives, Archive::total_members)
10211         (Archive::total_members_loaded): New variables.
10212         (Archive::get_file_and_offset): New function.
10213         (Archive::get_elf_object_for_member): New function.
10214         (Archive::read_all_symbols): New function.
10215         (Archive::read_symbols): New function.
10216         (Archive::Archive_member): New class.
10217         (Archive::members_): New member.
10218         (Archive::num_members_): New member.
10219         * main.cc: Include archive.h.
10220         (main): Call Archive::print_stats.
10221         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10222         archive parameter; member_name is now the fully-decorated name.
10223         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10224         * options.h: (General_options): Add --preread-archive-symbols option.
10225         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10226         Archive::setup.
10227
10228 2008-08-04  Ian Lance Taylor  <iant@google.com>
10229
10230         * symtab.h (Symbol::use_plt_offset): New function.
10231         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10232         * powerpc.cc (Relocate::relocate): Likewise.
10233         * sparc.cc (Relocate::relocate): Likewise.
10234         * x86_64.cc (Relocate::relocate): Likewise.
10235         * testsuite/weak_plt.sh: New test.
10236         * testsuite/weak_plt_main.cc: New test.
10237         * testsuite/weak_plt_shared.cc: New test.
10238         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10239         (check_PROGRAMS): Add weak_plt.
10240         (check_DATA): Add weak_plt_shared.so.
10241         (weak_plt_main_pic.o, weak_plt): New targets.
10242         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10243         * testsuite/Makefile.in: Rebuild.
10244
10245         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10246         gcctestdir/ld.
10247         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10248         * testsuite/Makefile.in: Rebuild.
10249
10250 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10251
10252         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10253         * Makefile.in: Regenerate.
10254         * po/POTFILES.in: Regenerate.
10255
10256 2008-07-29  Ian Lance Taylor  <iant@google.com>
10257
10258         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10259         symbols before other symbols.
10260         * testsuite/script_test_2.cc (test_addr): Declare.
10261         (test_addr_alias): Declare.
10262         (main): Check that test_addr and test_addr_alias have the right
10263         values.
10264         * testsuite/script_test_2.t: Define test_addr_alias and
10265         test_addr.
10266
10267 2008-07-24  Ian Lance Taylor  <iant@google.com>
10268
10269         PR 5990
10270         * descriptors.cc: New file.
10271         * descriptors.h: New file.
10272         * gold-threads.h (class Hold_optional_lock): New class.
10273         * fileread.cc: Include "descriptors.h".
10274         (File_read::~File_read): Release descriptor rather than closing
10275         it.
10276         (File_read::open) [file]: Call open_descriptor rather than open.
10277         Set is_descriptor_opened_.
10278         (File_read::open) [memory]: Assert that descriptor is not open.
10279         (File_read::reopen_descriptor): New function.
10280         (File_read::release): Release descriptor.
10281         (File_read::do_read): Make non-const.  Reopen descriptor.
10282         (File_read::read): Make non-const.
10283         (File_read::make_view): Reopen descriptor.
10284         (File_read::do_readv): Likewise.
10285         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10286         Update declarations.
10287         * layout.cc: Include "descriptors.h".
10288         (Layout::create_build_id): Use open_descriptor rather than open.
10289         * output.cc: Include "descriptors.h".
10290         (Output_file::open): Use open_descriptor rather than open.
10291         * archive.cc (Archive::const_iterator): Change Archive to be
10292         non-const.
10293         (Archive::begin, Archive::end): Make non-const.
10294         (Archive::count_members): Likewise.
10295         * archive.h (class Archive): Update declarations.
10296         * object.h (Object::read): Make non-const.
10297         * Makefile.am (CCFILES): Add descriptors.cc.
10298         (HFILES): Add descriptors.h.
10299         * Makefile.in: Rebuild.
10300
10301         PR 6716
10302         * gold.h: Always include <clocale>.  Add Solaris workarounds
10303         following code in binutils/sysdep.h.
10304
10305         PR 6048
10306         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10307         this->eh_frame_hdr_ is NULL before using it.
10308
10309         * dynobj.cc (Versions::Versions): Update comment.
10310
10311         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10312         the base version name.
10313
10314         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10315         array size plus one.
10316         (Stringpool_template::set_string_offsets): Subtract one from key
10317         before using it as an array index.
10318         (Stringpool_template::get_offset_with_length): Likewise.
10319         (Stringpool_template::write_to_buffer): Likewise.
10320         * stringpool.h (Stringpool_template::get_offset_from_key):
10321         Likewise.
10322
10323 2008-07-23  Ian Lance Taylor  <iant@google.com>
10324
10325         PR 6658
10326         * object.h (Merged_symbol_value::value): Do our best to handle a
10327         negative addend.
10328
10329         PR 6647
10330         * script.cc (Version_script_info::get_versions): Don't add empty
10331         version tag to return value.
10332         (Version_script_info::get_symbol_version_helper): Change return
10333         type to bool.  Add pversion parameter.  Change all callers.
10334         (script_register_vers_node): Don't require a non-NULL tag.
10335         * script.h (class Version_script_info): Update declarations.
10336         (Version_script_info::get_symbol_version): Change return type to
10337         bool.  Add version parameter.  Change all callers.
10338         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10339         handling.  Handle an empty version from a version script.
10340         (Symbol_table::define_special_symbol): Likewise.
10341         * testsuite/ver_test_10.script: New file.
10342         * testsuite/ver_test_10.sh: New file.
10343         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10344         (check_DATA): Add ver_test_10.syms.
10345         (ver_test_10.syms, ver_test_10.so): New target.
10346         * testsuite/Makefile.in: Rebuild.
10347
10348 2008-07-23  Simon Baldwin  <simonb@google.com>
10349
10350         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10351         to zero for undefined symbols from dynamic libraries.
10352
10353 2008-07-23  Ian Lance Taylor  <iant@google.com>
10354
10355         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10356         Change all callers.
10357         * symtab.h (class Symbol_table): Update declaration.
10358         * testsuite/ver_test_9.cc: New file.
10359         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10360         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10361         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10362         (ver_test_9.so, ver_test_9.o): New targets.
10363         * testsuite/Makefile.in: Rebuild.
10364
10365 2008-07-22  Ian Lance Taylor  <iant@google.com>
10366
10367         * options.h (class General_options): Define --check-sections.
10368         * layout.cc (Layout::set_segment_offsets): Handle
10369         --check-sections.
10370
10371         * options.h (class General_options): Define -n/--nmagic and
10372         -N/--omagic.
10373         * options.cc (General_options::finalize): For -n/--nmagic or
10374         -N/--omagic, set -static.
10375         * layout.cc (Layout::attach_allocated_section_to_segment): If
10376         -N/--omagic, don't put read-only and read-write sections in
10377         different segments.
10378         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10379         finding a read-only segment.
10380         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10381         don't set the minimum segment alignment to the common page size,
10382         and don't set the file offset to the address modulo the page size.
10383         * script-sections.cc (Script_sections::create_segments): If
10384         -n/--omagic, don't put read-only and read-write sections in
10385         different segments.
10386
10387         * cref.cc: New file.
10388         * cref.h: New file.
10389         * options.h (class General_options): Add --print-symbol-counts.
10390         * main.cc (main): Issue defined symbol report if requested.
10391         * archive.cc (Archive::interpret_header): Make into a const member
10392         function.
10393         (Archive::add_symbols): Call Input_objects::archive_start and
10394         archive_stop.
10395         (Archive::const_iterator): Define new class.
10396         (Archive::begin, Archive::end): New functions.
10397         (Archive::include_all_members): Rewrite to use iterator.
10398         (Archive::count_members): New function.
10399         * archive.h (class Archive): Update declarations.
10400         (Archive::filename): New function.
10401         * object.cc: Include "cref.h".
10402         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10403         (Sized_relobj::do_get_global_symbol_counts): New function.
10404         (Input_objects::add_object): Add object to cross-referencer.
10405         (Input_objects::archive_start): New function.
10406         (Input_objects::archive_stop): New function.
10407         (Input_objects::print_symbol_counts): New function.
10408         * object.h: Declare Cref and Archive.
10409         (Object::get_global_symbol_counts): New function.
10410         (Object::do_get_global_symbol_counts): New pure virtual function.
10411         (class Sized_relobj): Add defined_count_ field.  Update
10412         declarations.
10413         (class Input_objects): Add cref_ field.  Update constructor.
10414         Update declarations.
10415         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10416         defined_count_.
10417         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10418         symbol counts.
10419         (Sized_dynobj::do_get_global_symbol_counts): New function.
10420         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10421         defined_count_.  Update declarations.  Define Symbols typedef.
10422         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10423         parameter.  Change all callers.
10424         (Symbol_table::add_from_dynobj): Add sympointers and defined
10425         parameters.  Change all callers.
10426         * symtab.h (class Symbol_table): Update declarations.
10427         * Makefile.am (CCFILES): Add cref.cc.
10428         (HFILES): Add cref.h.
10429         * Makefile.in: Rebuild.
10430
10431 2008-07-22  Simon Baldwin  <simonb@google.com>
10432
10433         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10434         to zero when writing undefined symbols.
10435
10436 2008-07-22  Ian Lance Taylor  <iant@google.com>
10437
10438         * output.cc (Output_section::add_input_section): Don't try to
10439         merge empty merge sections.
10440
10441 2008-07-21  Craig Silverstein  <csilvers@google.com>
10442
10443         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10444         Include symbol version in error message.
10445
10446 2008-07-20  Chris Demetriou  <cgd@google.com>
10447
10448         * configure.ac (gold_cv_c_random_seed): New configured variable.
10449         (RANDOM_SEED_CFLAGS): New substituted variable.
10450         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10451         * configure: Rebuild.
10452         * Makefile.in: Likewise.
10453         * testsuite/Makefile.in: Likewise.
10454
10455 2008-07-18  Ian Lance Taylor  <iant@google.com>
10456
10457         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10458         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10459         * testsuite/ver_test_main.cc (main): Call t4.
10460         (t4, t4_2a): Define.
10461         * testsuite/ver_test_2.cc (t4_2): Define.
10462         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10463         * testsuite/ver_test_4.cc (t4_2a): Define.
10464         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10465         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10466
10467 2008-07-17  Ian Lance Taylor  <iant@google.com>
10468
10469         * dynobj.cc (Versions::add_def): If we give an error about a
10470         missing version, go ahead and create the version anyhow.
10471
10472 2008-07-10  Ian Lance Taylor  <iant@google.com>
10473
10474         Handle output sections with more than 0x7fffffff bytes.
10475         * object.h (class Relobj): Change map_to_output_ to
10476         output_sections_, and just keep a section pointer.  Change all
10477         uses.  Move comdat group support to Sized_relobj.
10478         (Relobj::is_section_specially_mapped): Remove.
10479         (Relobj::output_section): Remove poff parameter.  Change all
10480         callers.
10481         (Relobj::output_section_offset): New function.
10482         (Relobj::set_section_offset): Rewrite.
10483         (Relobj::map_to_output): Remove.
10484         (Relobj::output_sections): New function.
10485         (Relobj::do_output_section_offset): New pure virtual function.
10486         (Relobj::do_set_section_offset): Likewise.
10487         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10488         group support from Relobj.  Update declarations.
10489         (Sized_relobj::get_output_section_offset): New function.
10490         (Sized_relobj::do_output_section_offset): New function.
10491         (Sized_relobj::do_set_section_offset): New function.
10492         * object.cc (Relobj::output_section_address): Remove.
10493         (Sized_relobj::Sized_relobj): Initialize new fields.
10494         (Sized_relobj::include_section_group): Cast find_kept_object to
10495         Sized_relobj.
10496         (Sized_relobj::include_linkonce_section): Likewise.
10497         (Sized_relobj::do_layout): Use separate arrays for output section
10498         and output offset.
10499         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10500         output_sections.
10501         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10502         output_sections and section_offsets.
10503         (Sized_relobj::write_local_symbols): Likewise.
10504         (map_to_kept_section): Compute output address directly.
10505         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10506         output_sections and section_offsets.
10507         (Sized_relobj::write_sections): Likewise.
10508         (Sized_relobj::relocate_sections): Likewise.
10509         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10510         * output.h (class Output_reloc): Update declarations.  Change
10511         u2_.relobj to Sized_relobj*.
10512         (class Output_data_reloc): Change add functions to use
10513         Sized_relobj*.
10514         * output.cc (Output_reloc::Output_reloc): Change relobj to
10515         Sized_relobj*.
10516         (Output_reloc::local_section_offset): Change return type to
10517         Elf_Addr.  Use get_output_section_offset.
10518         (Output_reloc::get_address): Likewise.
10519         (Output_section::is_input_address_mapped): Don't call
10520         is_section_specially_mapped.
10521         (Output_section::output_offset): Likewise.
10522         (Output_section::output_address): Likewise.
10523         (Output_section::starting_output_address): Likewise.
10524         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10525         parameter to Sized_relobj*.
10526         (Copy_relocs::need_copy_reloc): Likewise.
10527         (Copy_relocs::save): Likewise.
10528         * copy-relocs.h (class Copy_relocs): Update declarations.
10529         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10530         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10531         * target-reloc.h (relocate_for_relocatable): Change
10532         offset_in_output_section type to Elf_Addr.  Change code that uses
10533         it as well.
10534         * layout.cc (Layout::layout): Always set *off.
10535         * mapfile.cc (Mapfile::print_input_section): Use
10536         output_section_offset.
10537         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10538         Sized_relobj*.
10539         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10540         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10541         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10542
10543 2008-07-03  Ian Lance Taylor  <iant@google.com>
10544
10545         * layout.cc (Layout::include_section): Do not discard unrecognized
10546         SHT_STRTAB sections.
10547
10548 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10549
10550         * script.cc (Lex::can_continue_name): Make '?' allowable in
10551         version-script names.
10552         * testsuite/version_script.map: Change glob pattern to use '?'
10553
10554 2008-06-30  Manish Singh  <yosh@gimp.org>
10555
10556         PR 6585
10557         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10558         Correct typo.
10559
10560 2008-06-30  Ian Lance Taylor  <iant@google.com>
10561
10562         PR 6660
10563         PR 6682
10564         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10565         versions]: Don't try to read the value in the contents, since we
10566         don't use it.  Use the template endianness when writing.
10567
10568 2008-06-25  Cary Coutant  <ccoutant@google.com>
10569
10570         * fileread.cc (File_read::make_view): Assert on zero-length view.
10571         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10572         symbol table when there are no symbols to read.
10573
10574 2008-06-23  Craig Silverstein  <csilvers@google.com>
10575
10576         * version.cc (version_string): Bump to 1.7
10577
10578 2008-06-18  Craig Silverstein  <csilvers@google.com>
10579
10580         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10581         constant 0xFFFF to type Valtype.
10582         (Powerpc_relocate_functions::rel16_ha): Likewise.
10583
10584 2008-06-17  Ian Lance Taylor  <iant@google.com>
10585
10586         * output.h (Output_section::Input_section): Initialize p2align_ to
10587         zero for Output_section_data constructors.
10588         (Output_section::Input_section::addralign): If not an input
10589         section, return the alignment of the Output_section_data.
10590         * testsuite/copy_test.cc: New file.
10591         * testsuite/copy_test_1.cc: New file.
10592         * testsuite/copy_test_2.cc: New file.
10593         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10594         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10595         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10596         (copy_test_1_pic.o, copy_test_1.so): New targets.
10597         (copy_test_2_pic.o, copy_test_2.so): New targets.
10598         * testsuite/Makefile.in: Rebuild.
10599
10600         * script-sections.cc (Script_sections::place_orphan): Initialize
10601         local variable exact.
10602
10603 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10604
10605         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10606
10607 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10608             David S. Miller  <davem@davemloft.net>
10609
10610         * powerpc.cc: New file.
10611         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10612         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10613         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10614         * Makefile.in: Rebuild.
10615
10616 2008-06-09  Ian Lance Taylor  <iant@google.com>
10617
10618         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10619         <exception>.
10620         (throwing, orig_terminate): New static variables.
10621         (terminate_handler): New static function.
10622         (t2): Set terminate handler.
10623
10624 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10625
10626         PR 6584
10627         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10628         alignment.
10629
10630 2008-05-30  Cary Coutant  <ccoutant@google.com>
10631
10632         * archive.cc (Archive::include_all_members) Correct to step
10633         over symbol table and extended name table in thin archives.
10634
10635 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10636
10637         PR 6407
10638         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10639         calculation.
10640
10641 2008-05-28  Caleb Howe  <cshowe@google.com>
10642
10643         * reduced_debug_output.cc: New file.
10644         * reduced_debug_output.h: New file.
10645         * options.h (class General_options): Add --strip-debug-non-line.
10646         * options.cc (General_options::finalize): Add strip_debug_non_line
10647         to the strip heirarchy.
10648         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10649         fields.
10650         * layout.cc: Include "reduced_debug_output.h".
10651         (Layout::Layout): Initialize new fields.
10652         (line_only_debug_sections): New static array.
10653         (is_lines_only_debug_sections): New static inline function.
10654         (Layout::include_section): Handle --strip-debug-non-line.
10655         (Layout::make_output_section): If --strip-debug-non-line, build
10656         new output sections for .debug_abbrev and .debug_info.
10657         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10658         gold.  Warn about possible overflow.
10659         (read_signed_LEB_128): Likewise.
10660         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10661         (read_signed_LEB_128): Declare.
10662         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10663         (HFILES): Add reduced_debug_output.h.
10664         * Makefile.in: Rebuild.
10665
10666 2008-05-21  Ian Lance Taylor  <iant@google.com>
10667
10668         * mapfile.cc: New file.
10669         * mapfile.h: New file.
10670         * options.h (class General_options): Add -M/--print-map and -Map.
10671         * options.cc (General_options::finalize): Make -M equivalent to
10672         -Map -.
10673         * main.cc: Include <cstdio> and "mapfile.h".
10674         (main): Open mapfile if requested.
10675         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10676         constructor.  Change caller.
10677         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10678         (queue_middle_tasks): Likewise.
10679         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10680         declarations.
10681         * archive.cc: Include "mapfile.h".
10682         (Archive::add_symbols): Add mapfile parameter.  Change all
10683         callers.  Pass mapfile, symbol, and reason to include_member.
10684         (Archive::include_all_members): Add mapfile parameter.  Change all
10685         callers.
10686         (Archive::include_member): Add mapfile, sym, and why parameters.
10687         Change all callers.  Report inclusion to map file.
10688         * archive.h: Include "fileread.h".
10689         (class Archive): Update declarations.
10690         (Archive::file): New const method.
10691         (class Add_archive_symbols): Add mapfile_ field.  Update
10692         constructor.  Change all callers.
10693         * readsyms.h (class Read_symbols): Likewise.
10694         (class Finish_group): Likewise.
10695         (class Read_script): Likewise.
10696         * common.cc: Include "mapfile.h".
10697         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10698         all callers.
10699         (Symbol_table::do_allocate_commons): Likewise.
10700         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10701         symbol allocation to mapfile.
10702         * common.h (class Allocate_commons_task): Add mapfile_ field.
10703         Update constructor.  Change all callers.
10704         * symtab.h (class Symbol_table): Update declarations.
10705         * layout.cc: Include "mapfile.h".
10706         (Layout_task_runner::run): Print information to mapfile.
10707         (Layout::create_gold_note): Change Output_data_fixed_space to
10708         Output_data_zero_fill.
10709         (Layout::create_build_id): Likewise.
10710         (Layout::print_to_mapfile): New function.
10711         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10712         constructor.  Change caller.
10713         (class Layout): Declare print_to_mapfile.
10714         * output.cc (Output_section::Input_section::print_to_mapfile): New
10715         function.
10716         (Output_section::add_input_section): If producing a map, always
10717         add to input_sections_ list.
10718         (Output_section::do_print_to_mapfile): New function.
10719         (Output_segment::print_sections_to_mapfile): New function.
10720         (Output_segment::print_section_list_to_mapfile): New function.
10721         * output.h: Include "mapfile.h".
10722         (Output_data::print_to_mapfile): New function.
10723         (Output_data::do_print_to_mapfile): New virtual function.
10724         (Output_segment_headers::do_print_to_mapfile): New function.
10725         (Output_file_header::do_print_to_mapfile): New function.
10726         (Output_data_const::do_print_to_mapfile): New function.
10727         (class Output_data_const_buffer): Add map_name_ field.  Update
10728         constructor.  Change all callers.  Add do_print_to_mapfile
10729         function.
10730         (class Output_data_fixed_space): Likewise.
10731         (class Output_data_space): Likewise.
10732         (class Output_data_zero_fill): New class.
10733         (Output_data_strtab::do_print_to_mapfile): New function.
10734         (Output_data_reloc_base::do_print_to_mapfile): New function.
10735         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10736         (Output_data_group::do_print_to_mapfile): New function.
10737         (Output_data_got::do_print_to_mapfile): New function.
10738         (Output_data_dynamic::do_print_to_mapfile): New function.
10739         (Output_symtab_xindex::do_print_to_mapfile): New function.
10740         (class Output_section): Declare do_print_to_mapflie.  Declare
10741         print_to_mapfile in Input_section.
10742         (class Output_segment): Declare new functions.
10743         * object.h (Sized_relobj::symbol_count): New function.
10744         * script-sections.cc
10745         (Output_section_element_dot_assignment::set_section_addresses):
10746         Change Output_data_fixed_space to Output_data_zero_fill.
10747         (Output_data_expression::do_print_to_mapfile): New function.
10748         * script.cc (read_input_script): Add mapfile parameter.  Change
10749         all callers.
10750         * script.h (read_input_script): Update declaration.
10751         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10752         (Eh_frame::do_print_to_mapfile): New function.
10753         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10754         (Output_merge_string::do_print_to_mapfile): New function.
10755         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10756         function.
10757         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10758         function.
10759         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10760         function.
10761         * Makefile.am (CCFILES): Add mapfile.cc.
10762         (HFILES): Add mapfile.h.
10763         * Makefile.in: Rebuild.
10764
10765 2008-05-19  Ian Lance Taylor  <iant@google.com>
10766
10767         * options.h (class General_options): Add -z relro.
10768         * layout.cc (Layout::Layout): Initialize relro_segment_.
10769         (Layout::add_output_section_data): Return the output section.
10770         (Layout::make_output_section): Rcognize relro sections and mark
10771         them appropriately.
10772         (Layout::attach_allocated_section_to_segment): Put relro sections
10773         in a PT_GNU_RELRO segment.
10774         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10775         section as relro.
10776         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10777         PT_TLS segments.
10778         (Layout::linkonce_mapping): Map d.rel.ro.local to
10779         .data.rel.ro.local.
10780         (Layout::output_section_name): Us .data.rel.ro.local for any
10781         section which begins with that.
10782         * layout.h (class Layout): Update add_output_section_data
10783         declaration.  Add relro_segment_ field.
10784         * output.cc (Output_section::Output_section): Initialize is_relro_
10785         and is_relro_local_ fields.
10786         (Output_segment::add_output_section): Group relro sections.
10787         (Output_segment::is_first_section_relro): New function.
10788         (Output_segment::maximum_alignment): If there is a relro section,
10789         align the segment to the common page size.
10790         (Output_segment::set_section_addresses): Track whether we are
10791         looking at relro sections.  If the last section is a relro
10792         section, align to the common page size.
10793         (Output_segment::set_section_list_addresses): Add in_relro
10794         parameter.  Change all callers.  Align to the page size when
10795         moving from relro to non-relro section.
10796         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10797         segment.
10798         * output.h (class Output_section): Add is_relro_ and
10799         is_relro_local_ fields.
10800         (Output_section::is_relro): New function.
10801         (Output_section::set_is_relro): New function.
10802         (Output_section::is_relro_local): New function.
10803         (Output_section::set_is_relro_local): New function.
10804         (class Output_segment): Update declarations.
10805         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10806         * sparc.cc (Target_sparc::got_section): Likewise.
10807         * x86_64.cc (Target_x86_64::got_section): Likewise.
10808         * testsuite/relro_test_main.cc: New file.
10809         * testsuite/relro_test.cc: New file.
10810         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10811         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10812         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10813         (relro_test.so, relro_test_pic.o): New targets.
10814         * testsuite/Makefile.in: Rebuild.
10815
10816 2008-05-16  Ian Lance Taylor  <iant@google.com>
10817
10818         * output.cc (Output_segment::add_output_section): Remove front
10819         parameter.
10820         * output.h (class Output_segment): Remove
10821         add_initial_output_section and overloaded add_output_section.
10822         Update declaration of remaining add_output_section.
10823         * layout.cc (Layout::create_interp): Call add_output_section
10824         rather than add_initial_output_section.
10825         (Layout::finish_dynamic_section): Likewise.
10826
10827         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10828         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10829         know the dynamic type.
10830         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10831         field.  Initialize it in constructor.
10832         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10833         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10834         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10835         reloc.
10836
10837         * output.cc (Output_reloc::get_address): Change return type to
10838         Elf_Addr.
10839         * output.h (class Output_reloc): Update get_address declaration.
10840         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10841         for section addresses.
10842
10843 2008-05-09  Ian Lance Taylor  <iant@google.com>
10844
10845         PR 6493
10846         * gold.cc (gold_nomem): Use return value of write.
10847
10848 2008-05-08  Ian Lance Taylor  <iant@google.com>
10849
10850         * symtab.c (Symbol::init_base_output_data): Add version
10851         parameter.  Change all callers.
10852         (Symbol::init_base_output_segment): Likewise.
10853         (Symbol::init_base_constant): Likewise.
10854         (Symbol::init_base_undefined): Likewise.
10855         (Sized_symbol::init_output_data): Likewise.
10856         (Sized_symbol::init_output_segment): Likewise.
10857         (Sized_symbol::init_constant): Likewise.
10858         (Sized_symbol::init_undefined): Likewise.
10859         (Symbol_table::do_define_in_output_data): If the new symbol has a
10860         version, mark it as the default.
10861         (Symbol_table::do_define_in_output_segment): Likewise.
10862         (Symbol_table::do_define_as_constant): Likewise.
10863         * symtab.h (class Symbol): Update declarations.
10864         (class Sized_symbol): Likewise.
10865         * resolve.cc (Symbol::override_version): New function.
10866         (Symbol::override_base): Call override_version.
10867         (Symbol::override_base_with_special): Likewise.
10868         * testsuite/ver_script_8.script: New file.
10869         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10870         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10871         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10872         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10873
10874 2008-05-06  Ian Lance Taylor  <iant@google.com>
10875
10876         PR 6049
10877         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10878         functions.
10879         (class General_options): Remove existing --undefined, and add
10880         --no-undefined instead.  Add new --undefined as synonym for -u.
10881         * archive.cc (Archive::add_symbols): Check whether symbol was
10882         named with -u.
10883         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10884         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10885         all uses.  Add IS_UNDEFINED.  Update declarations to split
10886         different versions of init_base.  Declare init_base_undefined.
10887         (Symbol::is_defined): Handle IS_UNDEFINED.
10888         (Symbol::is_undefined): Likewise.
10889         (Symbol::is_weak_undefined): Call is_undefined.
10890         (Symbol::is_absolute): Handle IS_CONSTANT.
10891         (class Sized_symbol): Update declarations to split different
10892         versions of init.  Declare init_undefined.
10893         (class Symbol_table): Declare new functions.
10894         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10895         Change all callers.
10896         (Symbol::init_base_output_data): Likewise.
10897         (Symbol::init_base_output_segment): Likewise.
10898         (Symbol::init_base_constant): Likewise.
10899         (Symbol::init_base_undefined): New function.
10900         (Sized_symbol::init_object): Rename from init.  Change all
10901         callers.
10902         (Sized_symbol::init_output_data): Likewise.
10903         (Sized_symbol::init_output_segment): Likewise.
10904         (Sized_symbol::init_constant): Likewise.
10905         (Sized_symbol::init_undefined): New function.
10906         (Symbol_table::add_undefined_symbols_from_command_line): New
10907         function.
10908         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10909         function.
10910         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10911         (Symbol::output_section): Likewise.
10912         (Symbol::set_output_section): Likewise.
10913         (Symbol_table::sized_finalize_symbol): Likewise.
10914         (Symbol_table::sized_write_globals): Likewise.
10915         * resolve.cc (Symbol_table::should_override): Likewise.
10916         (Symbol::override_base_with_special): Likewise.
10917
10918         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10919         symbol, change it to have default visibility.
10920         * testsuite/protected_1.cc: New file.
10921         * testsuite/protected_2.cc: New file.
10922         * testsuite/protected_3.cc: New file.
10923         * testsuite/protected_main_1.cc: New file.
10924         * testsuite/protected_main_2.cc: New file.
10925         * testsuite/protected_main_3.cc: New file.
10926         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10927         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10928         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10929         (protected_1.so): New target.
10930         (protected_1_pic.o, protected_2_pic.o): New targets.
10931         (protected_3_pic.o): New target.
10932         (check_PROGRAMS): Add protected_2.
10933         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10934         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10935         * testsuite/Makefile.in: Rebuild.
10936
10937         * options.h (DEFINE_var): Add set_user_set_##varname__.
10938         (DEFINE_bool_alias): New macro.
10939         (class General_options): Define -Bstatic using DEFINE_bool_alias
10940         rather than DEFINE_special.  Add --undefined as an alias for -z
10941         defs.
10942         * options.cc (General_options::parse_Bstatic): Remove.
10943
10944         * options.h (class General_options): Add --fatal-warnings.
10945         * main.cc (main): Implement --fatal-warnings.
10946         * errors.h (Errors::warning_count): New function.
10947
10948         * options.h (class General_options): Add -Bsymbolic-functions.
10949         * symtab.h (Symbol::is_preemptible): Check for
10950         -Bsymbolic-functions.
10951
10952 2008-05-05  Ian Lance Taylor  <iant@google.com>
10953
10954         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10955         as noVARNAME rather than no-VARNAME.
10956         (class General_options): Add option -z combreloc.
10957         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10958         get_address.
10959         (Output_reloc::sort_before) [SHT_REL]: New function.
10960         (Output_reloc::sort_before) [SHT_RELA]: New function.
10961         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10962         Sort_relocs_comparison.
10963         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10964         parameter.  Change all callers.
10965         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10966         sort_relocs parameter.  Change all callers.
10967         * output.cc (Output_reloc::get_address): New function, broken out
10968         of write_rel.
10969         (Output_reloc::write_rel): Call it.
10970         (Output_reloc::compare): New function.
10971         (Output_data_reloc_base::do_write): Optionally sort relocs.
10972
10973         * configure.ac: If targ_extra_obj is set, link it in.
10974         * configure.tgt: Initialize all variables.
10975         (x86_64*): Set targ_extra_obj and targ_extra_size.
10976         * configure: Rebuild.
10977
10978         * object.cc (Sized_relobj::include_section_group): Adjust section
10979         indexes read from group data.  Build vector to pass to
10980         layout_group.
10981         * layout.cc (Layout::layout_group): Add flags and shndxes
10982         parameters.  Remove contents parameter.  Change caller.  Update
10983         explicit instantiations.
10984         * layout.h (class Layout): Update layout_group declaration.
10985         * output.cc (Output_data_group::Output_data_group): Add flags and
10986         input_shndxes parameters.  Remove contents parameter.  Change
10987         caller.
10988         (Output_data_group::do_write): Change input_sections_ to
10989         input_shndxes_.
10990         * output.h (class Output_data_group): Update constructor
10991         declaration.  Rename input_sections_ to input_shndxes_.
10992         * testsuite/many_sections_test.cc: Add template.
10993
10994 2008-04-30  Cary Coutant  <ccoutant@google.com>
10995
10996         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10997
10998         * layout.cc (Layout::include_section): Refactored check for debug
10999         info section.
11000         (Layout::add_comdat): Add new parameters.  Change type
11001         of signature parameter.  Add object and shndx to signatures table.
11002         (Layout::find_kept_object): New function.
11003         * layout.h: Include <cstring>.
11004         (Layout::is_debug_info_section): New function.
11005         (Layout::add_comdat): Add new parameters.
11006         (Layout::find_kept_object): New function.
11007         (Layout::Kept_section): New struct.
11008         (Layout::Signatures): Change type of map range.
11009         * object.cc (Relobj::output_section_address): New function.
11010         (Sized_relobj::include_section_group): Add new parameters.  Change
11011         calls to Layout::add_comdat.  Change to build table of kept comdat
11012         groups and table mapping discarded sections to kept sections.
11013         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11014         (Sized_relobj::do_layout): Change calls to include_section_group and
11015         include_linkonce_section.
11016         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11017         value to zero when section is discarded.
11018         (Sized_relobj::map_to_kept_section): New function.
11019         * object.h (Relobj::output_section_address): New function.
11020         (Relobj::Comdat_group): New type.
11021         (Relobj::find_comdat_group): New function.
11022         (Relobj::Comdat_group_table): New type.
11023         (Relobj::Kept_comdat_section): New type.
11024         (Relobj::Kept_comdat_section_table): New type.
11025         (Relobj::add_comdat_group): New function.
11026         (Relobj::set_kept_comdat_section): New function.
11027         (Relobj::get_kept_comdat_section): New function.
11028         (Relobj::comdat_groups_): New field.
11029         (Relobj::kept_comdat_sections_): New field.
11030         (Symbol_value::input_value): Update comment.
11031         (Sized_relobj::map_to_kept_section) New function.
11032         (Sized_relobj::include_linkonce_section): Add new parameter.
11033         * target-reloc.h (Comdat_behavior): New type.
11034         (get_comdat_behavior): New function.
11035         (relocate_section): Add code to map a discarded section to the
11036         corresponding kept section when applying a relocation.
11037
11038 2008-04-30  Craig Silverstein  <csilvers@google.com>
11039
11040         * dwarf_reader.cc (next_generation_count): New static var.
11041         (Addr2line_cache_entry): New struct.
11042         (addr2line_cache): New static var.
11043         (Dwarf_line_info::one_addr2line): Added caching.
11044         (Dwarf_line_info::clear_addr2line_cache): New function.
11045         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11046         cache-size parameter.
11047         (Dwarf_line_info::one_addr2line_cache): New function.
11048         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11049         new cache-size argument to one_addr2line(), and clear cache.
11050
11051 2008-04-28  Cary Coutant  <ccoutant@google.com>
11052
11053         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11054         R_386_PC8 relocations.
11055
11056 2008-04-23  Ian Lance Taylor  <iant@google.com>
11057
11058         * object.cc (Sized_relobj::include_section_group): Check for
11059         invalid section group.
11060
11061         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11062         header size.
11063
11064         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11065         than read for file header.
11066         * archive.cc (Archive::include_member): Likewise.
11067
11068 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11069
11070         * aclocal.m4: Regenerate.
11071         * configure: Regenerate.
11072
11073 2008-04-19  Ian Lance Taylor  <iant@google.com>
11074
11075         * version.cc (version_string): Bump to 1.6.
11076
11077         * testsuite/Makefile.am (many_sections_r_test): New target.
11078         (many_sections_r_test_SOURCES): Remove.
11079         (many_sections_r_test_DEPENDENCIES): Remove.
11080         (many_sections_r_test_LDFLAGS): Remove.
11081         (many_sections_r_test_LDADD): Remove.
11082
11083         * object.cc (Sized_relobj::do_add_symbols): Always pass
11084         local_symbol_count_ to add_from_relobj.
11085
11086         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11087         every thousand variables.
11088         * testsuite/Makefile.in: Rebuild.
11089
11090         * object.cc (Xindex::initialize_symtab_xindex): New function.
11091         (Xindex::read_symtab_xindex): New function.
11092         (Xindex::sym_xindex_to_shndx): New function.
11093         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11094         available.
11095         (Sized_relobj::do_initialize_xindex): New function.
11096         (Sized_relobj::do_read_symbols): Adjust section links.
11097         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11098         parameter.  Change all callers.
11099         (Sized_relobj::include_section_group): Adjust section links and
11100         symbol section indexes.
11101         (Sized_relobj::do_layout): Adjust section links.
11102         (Sized_relobj::do_count_local_symbols): Adjust section links and
11103         symbol section indexes.
11104         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11105         ordinary and special symbols.
11106         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11107         dynsym_xindex parameters.  Change all callers.  Adjust section
11108         links.  Use SHN_XINDEX when needed.
11109         (Sized_relobj::get_symbol_location_info): Adjust section links.
11110         Don't get fooled by special symbols.
11111         * object.h (class Xindex): Define.
11112         (class Object): Add xindex_ parameter.  Declare virtual functoin
11113         do_initialize_xindex.
11114         (Object::adjust_sym_shndx): New function.
11115         (Object::set_xindex): New protected function.
11116         (class Symbol_value): Add is_ordinary_shndx_ field.
11117         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11118         (Symbol_value::value): Assert ordinary section.
11119         (Symbol_value::initialize_input_to_output_map): Likewise.
11120         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11121         Change all callers.
11122         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11123         all callers.
11124         (class Sized_relobj): Update declarations.
11125         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11126         parameter.  Change all callers.
11127         (Sized_relobj::adjust_shndx): New function.
11128         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11129         field.
11130         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11131         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11132         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11133         (Sized_dynobj::read_dynsym_section): Adjust section links.
11134         (Sized_dynobj::read_dynamic): Likewise.
11135         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11136         section links.
11137         (Sized_dynobj::do_initialize_xindex): New function.
11138         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11139         do_initialize_xindex.
11140         (Sized_dynobj::adjust_shndx): New function.
11141         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11142         dynsym_xindex_ fields.
11143         (Layout::finalize): Add a call to set_section_indexes before
11144         creating the symtab sections.
11145         (Layout::set_section_indexes): Don't do anything if the section
11146         already has a section index.
11147         (Layout::create_symtab_sections): Add shnum parameter.  Change
11148         caller.  Create .symtab_shndx section if needed.
11149         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11150         caller.
11151         (Layout::allocated_output_section_count): New function.
11152         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11153         needed.
11154         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11155         fields.  Update declarations.
11156         (Layout::symtab_xindex): New function.
11157         (Layout::dynsym_xindex): New function.
11158         (class Write_symbols_task): Add layout_ field.
11159         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11160         Change caller.
11161         * output.cc (Output_section_headers::Output_section_headers): Add
11162         shstrtab_section parameter.  Change all callers.
11163         (Output_section_headers::do_sized_write): Store overflow values
11164         for section count and section string table section index in
11165         section header zero.
11166         (Output_file_header::do_sized_write): Check for overflow of
11167         section count and section string table section index.
11168         (Output_symtab_xindex::do_write): New function.
11169         (Output_symtab_xindex::endian_do_write): New function.
11170         * output.h (class Output_section_headers): Add shstrtab_section_.
11171         Update declarations.
11172         (class Output_symtab_xindex): Define.
11173         (Output_section::has_out_shndx): New function.
11174         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11175         field.
11176         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11177         Change all callers.
11178         (Sized_symbol::init): Likewise.
11179         (Symbol::output_section): Check for ordinary symbol.
11180         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11181         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11182         callers.
11183         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11184         Change all callers.  Simplify handling of symbols from sections
11185         not included in the link.
11186         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11187         distinction.
11188         (Weak_alias_sorter::operator()): Assert that symbols are
11189         ordinary.
11190         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11191         distinction.
11192         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11193         parameters.  Change all callers.
11194         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11195         symbol distinction.  Use SHN_XINDEX when needed.
11196         (Symbol_table::write_section_symbol): Add symtab_xindex
11197         parameter.  Change all callers.
11198         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11199         SHN_XINDEX when needed.
11200         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11201         declarations.
11202         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11203         (Symbol::is_defined): Check is_ordinary.
11204         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11205         (Symbol::is_absolute, Symbol::is_common): Likewise.
11206         (class Sized_symbol): Update declarations.
11207         (class Symbol_table): Update declarations.
11208         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11209         parameters.  Change all callers.
11210         (Sized_symbol::override): Likewise.
11211         (Symbol_table::override): Likewise.
11212         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11213         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11214         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11215         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11216         to be in an ordinary section.
11217         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11218         object and is_ordinary parameters.  Change all callers.
11219         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11220         Change all callers.  Don't add undefined or non-ordinary symbols
11221         to reloc_map_.
11222         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11223         Change all callers.
11224         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11225         declarations.
11226         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11227         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11228         (Sized_relobj::relocate_sections): Likewise.
11229         * target-reloc.h (scan_relocs): Adjust section symbol index.
11230         (scan_relocatable_relocs): Likewise.
11231         * i386.cc (Scan::local): Check for ordinary symbols.
11232         * sparc.cc (Scan::local): Likewise.
11233         * x86_64.cc (Scan::local): Likewise.
11234         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11235         to symbol_section_and_value.
11236         * testsuite/many_sections_test.cc: New file.
11237         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11238         (check_PROGRAMS): Add many_sections_test.
11239         (many_sections_test_SOURCES): Define.
11240         (many_sections_test_DEPENDENCIES): Define.
11241         (many_sections_test_LDFLAGS): Define.
11242         (BUILT_SOURCES): Add many_sections_define.h.
11243         (many_sections_define.h): New target.
11244         (BUILT_SOURCES): Add many_sections_check.h.
11245         (many_sections_check.h): New target.
11246         (check_PROGRAMS): Add many_sections_r_test.
11247         (many_sections_r_test_SOURCES): Define.
11248         (many_sections_r_test_DEPENDENCIES): Define.
11249         (many_sections_r_test_LDFLAGS): Define.
11250         (many_sections_r_test_LDADD): Define.
11251         (many_sections_r_test.o): New target.
11252         * testsuite/Makefile.in: Rebuild.
11253
11254 2008-04-17  Cary Coutant  <ccoutant@google.com>
11255
11256         * errors.cc (Errors::info): New function.
11257         (gold_info): New function.
11258         * errors.h (Errors::info): New function.
11259         * gold.h (gold_info): New function.
11260         * object.cc (Input_objects::add_object): Print trace output.
11261         * options.cc (options::parse_set): New function.
11262         (General_options::parse_wrap): Deleted.
11263         (General_options::General_options): Deleted initializer.
11264         * options.h (options::String_set): New typedef.
11265         (options::parse_set): New function.
11266         (DEFINE_set): New macro.
11267         (General_options::wrap): Changed to use DEFINE_set. Changed
11268         callers of any_wrap_symbols and is_wrap_symbol.
11269         (General_options::trace, General_options::trace_symbol):
11270         New options.
11271         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11272         (General_options::wrap_symbols_): Deleted.
11273         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11274
11275 2008-04-17  David S. Miller  <davem@davemloft.net>
11276
11277         * options.cc (General_options::parse_V): New function.
11278         * options.h: Add entries for -V and -Qy.
11279
11280 2008-04-17  Ian Lance Taylor  <iant@google.com>
11281
11282         * common.cc (Symbol_table::allocate_commons): Remove options
11283         parameter.  Change caller.
11284         (Symbol_table::do_allocate_commons): Remove options parameter.
11285         Change caller.  Just call do_allocate_commons_list twice.
11286         (Symbol_table::do_allocate_commons_list): New function, broken out
11287         of do_allocate_commons.
11288         * common.h (class Allocate_commons_task): Remove options_ field.
11289         Update constructor.
11290         * symtab.cc (Symbol_table::Symbol_table): Initialize
11291         tls_commons_.
11292         (Symbol_table::add_from_object): Put TLS common symbols on
11293         tls_commons_ list.
11294         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11295         which are IN_OUTPUT_DATA.
11296         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11297         allocate_commons and do_allocate_commons declarations.  Declare
11298         do_allocate_commons_list.
11299         * gold.cc (queue_middle_tasks): Update creation of
11300         Allocate_commons_task to not pass options.
11301         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11302         (TLS_TEST_C_FLAGS): New variable.
11303         (tls_test_c_pic.o): New target.
11304         (tls_test_shared.so): Link in tls_test_c_pic.o.
11305         (tls_test_c_pic_ie.o): New target.
11306         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11307         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11308         (tls_test_c.o): New target.
11309         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11310         (tls_pic_test_LDADD): Likewise.
11311         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11312         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11313         (tls_test_c_gnu2.o): New target.
11314         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11315         tls_test_c_gnu2.o.
11316         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11317         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11318         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11319         * testsuite/tls_test.cc: Include "config.h".
11320         (t_last): Call t11_last.
11321         * testsuite/tls_test.h (t11, t11_last): Declare.
11322         * testsuite/tls_test_c.c: New file.
11323         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11324         * configure.ac: Check for OpenMP support.
11325         * configure, config.in, Makefile.in: Rebuild.
11326         * testsuite/Makefile.in: Rebuild.
11327
11328 2008-04-16  Cary Coutant  <ccoutant@google.com>
11329
11330         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11331         (Target_i386::tls_base_symbol_defined_): New field.
11332         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11333         (Target_i386::Scan::global): Likewise.
11334         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11335         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11336         (Target_x86_64::tls_base_symbol_defined_): New field.
11337         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11338         (Target_x86_64::Scan::global): Likewise.
11339
11340 2008-04-16  Cary Coutant  <ccoutant@google.com>
11341
11342         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11343         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11344         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11345         building shared libraries.
11346         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11347         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11348         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11349         * testsuite/Makefile.in: Rebuild.
11350         * testsuite/weak_undef.h: New file.
11351         * testsuite/weak_undef_file1.cc: Add extra test cases.
11352         * testsuite/weak_undef_file2.cc: Likewise.
11353         * testsuite/weak_undef_test.cc: Likewise.
11354
11355 2008-04-16  David S. Miller  <davem@davemloft.net>
11356
11357         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11358         Add issued_non_pic_error_ field.  Declare check_non_pic.
11359         (Target_sparc::Scan::check_non_pic): New function.
11360         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11361         (Target_sparc::Scan::global): Likewise.
11362
11363         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11364         * configure: Rebuild.
11365
11366         * options.h (DEFINE_enable): New macro.
11367         (new_dtags): New enable option.
11368         (initfirst, interpose, loadfltr, nodefaultlib,
11369         nodelete, nodlopen, nodump): New -z options.
11370         * layout.cc (Layout:finish_dynamic_section): If new
11371         dtags enabled, emit DT_RUNPATH.  Also, emit a
11372         DT_FLAGS_1 containing any specified -z flags.
11373
11374 2008-04-16  Ian Lance Taylor  <iant@google.com>
11375
11376         * copy-relocs.cc: New file.
11377         * copy-relocs.h: New file.
11378         * reloc.cc: Remove Copy_relocs code.
11379         * reloc.h: Likewise.
11380         * reloc-types.h (struct Reloc_types) [both versions]: Add
11381         get_reloc_addend_noerror.
11382         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11383         variants of add_global which take an addend which must be zero.
11384         * i386.cc: Include "copy-relocs.h".
11385         (class Target_i386): Change type of copy_relocs_ to variable,
11386         update initializer.
11387         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11388         Change all callers.
11389         (Target_i386::do_finalize_sections): Change handling of
11390         copy_relocs_.
11391         * sparc.cc: Include "copy-relocs.h".
11392         (class Target_sparc): Change type of copy_relocs_ to variable,
11393         update initializer.
11394         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11395         Change all callers.
11396         (Target_sparc::do_finalize_sections): Change handling of
11397         copy_relocs_.
11398         * x86_64.cc: Include "copy-relocs.h".
11399         (class Target_x86_64): Change type of copy_relocs_ to variable,
11400         update initializer.
11401         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11402         class.  Change all callers.
11403         (Target_x86_64::do_finalize_sections): Change handling of
11404         copy_relocs_.
11405         * Makefile.am (CCFILES): Add copy-relocs.cc.
11406         (HFILES): Add copy-relocs.h.
11407
11408         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11409
11410         * testsuite/script_test_4.sh: Permit leading zeroes.
11411
11412 2008-04-15  Ian Lance Taylor  <iant@google.com>
11413
11414         * script-sections.cc (Script_sections::create_segments): Use
11415         header_size_adjustment even when there is enough room for the
11416         headers.
11417         * testsuite/script_test_4.sh: New file.
11418         * testsuite/script_test_4.t: New file.
11419         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11420         (check_DATA): Add script_test_4.stdout.
11421         (MOSTLYCLEANFILES): Likewise.
11422         (script_test_4): New target.
11423         (script_test_4.stdout): New target.
11424         * testsuite/Makefile.in: Rebuild.
11425
11426         * sparc.cc: Add definitions for Output_data_plt_sparc class
11427         constants.
11428
11429 2008-04-14  David S. Miller  <davem@davemloft.net>
11430
11431         * sparc.cc: New file.
11432         * Makefile.am (TARGETSOURCES): Add sparc.cc
11433         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11434         * configure.tgt: Document targ_extra_size and
11435         targ_extra_big_endian.  Add entries for sparc-* and
11436         sparc64-*.
11437         * configure.ac: Handle targ_extra_size and
11438         targ_extra_big_endian.
11439         * Makefile.in: Rebuild.
11440         * configure: Likewise.
11441         * po/POTFILES.in: Likewise.
11442         * po/gold.pot: Likewise.
11443
11444 2008-04-14  Ian Lance Taylor  <iant@google.com>
11445
11446         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11447         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11448         in the name/type/flags to section mapping.  Don't call
11449         allocate_output_section.
11450         (Layout::choose_output_section): Change parameter from adjust_name
11451         to is_input_section.  Don't permit input sections after sections
11452         are attached to segments.  Don't call allocate_output_section.
11453         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11454         not write_enable_output_section.
11455         (Layout::make_output_section): Don't push to
11456         unattached_section_list_ nor call attach_to_segment.  Call
11457         attach_section_to_segment if sections are attached.
11458         (Layout::attach_sections_to_segments): New function.
11459         (Layout::attach_section_to_segment): New function.
11460         (Layout::attach_allocated_section_to_segment): Rename from
11461         attach_to_segment.  Remove flags parameter.
11462         (Layout::allocate_output_section): Remove function.
11463         (Layout::write_enable_output_section): Remove function.
11464         * layout.h (class Layout): Update for above changes.  Add new
11465         field sections_are_attached_.
11466         * output.h (Output_section::update_flags_for_input_section): New
11467         function.
11468         * output.cc (Output_section::add_input_section): Call
11469         update_flags_for_input_section.
11470         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11471
11472 2008-04-11  Cary Coutant  <ccoutant@google.com>
11473
11474         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11475         thought unnecessary.
11476         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11477
11478 2008-04-11  Ian Lance Taylor  <iant@google.com>
11479
11480         * output.h (class Output_section_data): Remove inline definition
11481         of set_addralign.
11482         * output.cc (Output_section_data::set_addralign): New function.
11483
11484 2008-04-11  Cary Coutant  <ccoutant@google.com>
11485
11486         Add support for TLS descriptors for i386 and x86_64.
11487         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11488         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11489         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11490         GOT_TYPE_TLS_DESC.
11491         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11492         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11493         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11494         relocations.
11495         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11496         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11497         Fix problem with initial-exec relocations.
11498         (Target_i386::Relocate::relocate_tls): Likewise.
11499         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11500         relaxation.
11501         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11502         support for section-plus-offset dynamic table entries.
11503         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11504         (Output_data_dynamic::Dynamic_entry): Add support for
11505         section-plus-offset dynamic table entries.
11506         (Output_data_dynamic::Classification): Likewise.
11507         (Output_data_dynamic::classification_): Renamed offset_.
11508         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11509         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11510         (Target_x86_64::make_plt_section): New function.
11511         (Target_x86_64::reserve_tlsdesc_entries): New function.
11512         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11513         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11514         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11515         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11516         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11517         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11518         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11519         add extra PLT entry for TLS descriptors.
11520         (Output_data_plt_x86_64::got_): New field.
11521         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11522         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11523         fields.
11524         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11525         descriptors.
11526         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11527         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11528         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11529         R_386_TLS_DESC_CALL relocations.
11530         (Target_x86_64::Scan::global): Likewise.
11531         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11532         for TLS descriptors.
11533         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11534         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11535         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11536         GD-to-IE relaxation.
11537         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11538         and TLS_DESCRIPTORS.
11539         * Makefile.in: Rebuild.
11540         * configure: Rebuild.
11541         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11542         (tls_test_shared2.so): New target.
11543         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11544         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11545         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11546         (tls_shared_gd_to_ie_test_LDADD): New variable.
11547         (tls_shared_gnu2_gd_to_ie_test): New target.
11548         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11549         New targets.
11550         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11551         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11552         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11553         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11554         (tls_shared_gnu2_test): New target.
11555         (tls_test_gnu2_shared.so): New target.
11556         (tls_shared_gnu2_test_SOURCES): New variable.
11557         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11558         (tls_shared_gnu2_test_LDFLAGS): New variable.
11559         (tls_shared_gnu2_test_LDADD): New variable.
11560         * testsuite/Makefile.in: Rebuild.
11561         * testsuite/Makefile.
11562
11563 2008-04-11  Ian Lance Taylor  <iant@google.com>
11564
11565         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11566         justsyms.t.
11567         * testsuite/Makefile.in: Rebuild.
11568
11569         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11570         long.
11571         * testsuite/script_test_2.cc (main): Adjust test.
11572
11573 2008-04-11  David S. Miller  <davem@davemloft.net>
11574             Ian Lance Taylor  <iant@google.com>
11575
11576         * options.h (General_options): Add entries for '-Y' and
11577         '-relax'.
11578         * options.cc (General_options:finalize): If -Y was used, add those
11579         entries to the library path instead of the default "/lib" and
11580         "/usr/lib".
11581
11582 2008-04-11  David S. Miller  <davem@davemloft.net>
11583
11584         * testsuite/justsyms.t: Start at 0x100.
11585         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11586         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11587         long.
11588         * testsuite/script_test_2.cc: Adjust string and section length
11589         checks.
11590
11591 2008-04-09  Ian Lance Taylor  <iant@google.com>
11592
11593         PR gold/5996
11594         * script-sections.cc (Sections_element::allocate_to_segment): Add
11595         orphan parameter.
11596         (Output_section_definition::allocate_to_segment): Likewise.
11597         (Orphan_output_section::allocate_to_segment): Likewise.
11598         (Script_sections::attach_sections_using_phdrs_clause): Don't
11599         propagate non-PT_LOAD segments to orphan sections.
11600         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11601         readelf rather than objdump.
11602         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11603         .interp section and PT_INTERP segment are the same size.
11604         * testsuite/Makefile.in: Rebuild.
11605
11606         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11607         aliases for symbols defined in the same object.
11608         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11609         (weak_alias_test_SOURCES): New variable.
11610         (weak_alias_test_DEPENDENCIES): New variable.
11611         (weak_alias_test_LDFLAGS): New variable.
11612         (weak_alias_test_LDADD): New variable.
11613         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11614         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11615         (weak_alias_test_3.o): New target.
11616         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11617         * testsuite/weak_alias_test_main.cc: New file.
11618         * testsuite/weak_alias_test_1.cc: New file.
11619         * testsuite/weak_alias_test_2.cc: New file.
11620         * testsuite/weak_alias_test_3.cc: New file.
11621
11622 2008-04-08  Ian Lance Taylor  <iant@google.com>
11623
11624         * options.h (class General_options): Add --noinhibit-exec option.
11625         * main.cc (main): Check --noinhibit-exec.
11626
11627         * options.h (class General_options): Define --wrap as a special
11628         option.  Add wrap_symbols_ field.
11629         (General_options::any_wrap_symbols): New function.
11630         (General_options::is_wrap_symbol): New function.
11631         * options.cc (General_options::parse_wrap): New function.
11632         (General_options::General_options): Initialize wrap_symbols_.
11633         * symtab.cc (Symbol_table::wrap_symbol): New function.
11634         (Symbol_table::add_from_object): Handle --wrap.
11635         * symtab.h (class Symbol_table): Declare wrap_symbol.
11636         * target.h (Target::wrap_char): New function.
11637         (Target::Target_info): Add wrap_char field.
11638         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11639         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11640         * testsuite/testfile.cc (Target_test::test_target_info):
11641         Likewise.
11642
11643         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11644         there is one.
11645
11646         * layout.h (class Layout): Add added_eh_frame_data_ field.
11647         * layout.cc (Layout::Layout): Initialize new field.
11648         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11649         output section until we find a section we merged successfully.
11650         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11651         that the size be non-zero.
11652
11653         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11654         qualifier.
11655
11656 2008-04-08  Craig Silverstein  <csilvers@google.com>
11657
11658         * configure.ac: Export new conditional variable HAVE_ZLIB.
11659         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11660         on HAVE_ZLIB.
11661         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11662         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11663
11664 2008-04-07  Ian Lance Taylor  <iant@google.com>
11665
11666         * version.cc (version_string): Set to "1.5".
11667
11668         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11669         Add issued_non_pic_error_ field.  Declare check_non_pic.
11670         (Target_x86_64::Scan::check_non_pic): New function.
11671         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11672         (Target_x86_64::Scan::global): Likewise.
11673
11674         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11675         addend parameter.  Change caller.  Handle merge sections.
11676         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11677         Address to Addend.  Don't add in the result of
11678         local_section_offset, pass down the addend and use the returned
11679         value.
11680         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11681         Update declarations of local_section_offset and symbol_value.
11682         * testsuite/two_file_test_1.cc (t18): New function.
11683         * testsuite/two_file_test_2.cc (f18): New function.
11684         * testsuite/two_file_test_main.cc (main): Call t18.
11685         * testsuite/two_file_test.h (t18, f18): Declare.
11686
11687         * configure.ac: Don't test for objdump, c++filt, or readelf.
11688         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11689         conditionals.
11690         (TEST_READELF): New variable.
11691         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11692         (check_PROGRAMS): Add two_file_strip_test.
11693         (two_file_strip_test): New target.
11694         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11695         (two_file_same_shared_strip_test_SOURCES): New variable.
11696         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11697         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11698         (two_file_same_shared_strip_test_LDADD): New variable.
11699         (two_file_shared_strip.so): New target.
11700         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11701         (ver_test_5.syms, ver_test_7.syms): Likewise.
11702         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11703         (strip_test_3.stdout): Use TEST_OBJDUMP.
11704         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11705
11706 2008-04-04  Cary Coutant  <ccoutant@google.com>
11707
11708         * symtab.h (Symbol::is_weak_undefined): New function.
11709         (Symbol::is_strong_undefined): New function.
11710         (Symbol::is_absolute): New function.
11711         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11712         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11713         absolute symbols.
11714         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11715         (weak_undef_test): New target.
11716         * testsuite/Makefile.in: Rebuild.
11717         * testsuite/weak_undef_file1.cc: New file.
11718         * testsuite/weak_undef_file2.cc: New file.
11719         * testsuite/weak_undef_test.cc: New file.
11720
11721 2008-04-03  Craig Silverstein  <csilvers@google.com>
11722
11723         * compressed_output.h (class Output_compressed_section): Use
11724         unsigned buffer.
11725         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11726         add zlib header.
11727         (zlib_compressed_suffix): Removed.
11728         (Output_compressed_section::set_final_data_size): Use unsigned
11729         buffers.
11730         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11731         Fix linker invocation.
11732         (flagstest_o_specialfile_and_compress_debug_sections):
11733         Likewise.
11734         * testsuite/Makefile.in: Regenerated.
11735
11736 2008-04-02  David S. Miller  <davem@davemloft.net>
11737
11738         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11739         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11740
11741 2008-04-02  Craig Silverstein  <csilvers@google.com>
11742
11743         * TODO: New file.
11744
11745 2008-04-02  Ian Lance Taylor  <iant@google.com>
11746
11747         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11748         parameters.  Update for new key type to views_.  Change all
11749         callers.
11750         (File_read::read): Adjust for byteshift in returned view.
11751         (File_read::add_view): New function, broken out of
11752         find_and_make_view.
11753         (File_read::make_view): New function, broken out of
11754         find_and_make_view.
11755         (File_read::find_or_make_view): Add offset and aligned
11756         parameters.  Rewrite accordingly.  Change all callers.
11757         (File_read::get_view): Add offset and aligned parameters.  Adjust
11758         for byteshift in return value.
11759         (File_read::get_lasting_view): Likewise.
11760         * fileread.h (class File_read): Update declarations.
11761         (class File_read::View): Add byteshift_ field.  Add byteshift to
11762         constructor.  Add byteshift method.
11763         * archive.h (Archive::clear_uncached_views): New function.
11764         (Archive::get_view): Add aligned parameter.  Change all callers.
11765         * object.h (Object::get_view): Add aligned parameter.  Change all
11766         callers.
11767         (Object::get_lasting_view): Likewise.
11768
11769         * fileread.cc (File_read::release): Don't call clear_views if
11770         there are multiple objects.
11771         * fileread.h (File_read::clear_uncached_views): New function.
11772         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11773         on the archive.
11774
11775 2008-03-31  Cary Coutant  <ccoutant@google.com>
11776
11777         Add thin archive support.
11778         * archive.cc (Archive::armagt): New const.
11779         (Archive::setup): Remove task parameter and calls to unlock.
11780         (Archive::unlock_nested_archives): New function.
11781         (Archive::read_header): Add nested_off parameter. Change
11782         all callers.
11783         (Archive::interpret_header): Likewise.
11784         (Archive::include_all_members): Change to handle thin
11785         archives.
11786         (Archive::include_member): Likewise.
11787         * archive.h (Archive::Archive): Add new parameters and
11788         initializers.
11789         (Archive::armagt): New const.
11790         (Archive::setup): Remove task parameter.
11791         (Archive::unlock_nested_archives): New function.
11792         (Archive::read_header): Add nested_off parameter.
11793         (Archive::interpret_header): Likewise.
11794         (Archive::Nested_archive_table): New typedef.
11795         (Archive::is_thin_archive_): New field.
11796         (Archive::nested_archives_): New field.
11797         (Archive::options_): New field.
11798         (Archive::dirpath_): New field.
11799         (Archive::task_): New field.
11800         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11801         for thin archives.  Pass additional parameters to
11802         Archive::Archive.  Unlock the archive file after calling
11803         Archive::setup.
11804
11805 2008-03-29  Ian Lance Taylor  <iant@google.com>
11806
11807         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11808         version symbol to be local.
11809         * testsuite/ver_test_4.sh: New file.
11810         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11811         (check_DATA): Add ver_test_4.syms.
11812         (ver_test_4.syms): New target.
11813         * testsuite/Makefile.in: Rebuild.
11814
11815         * output.cc
11816         (Output_section::Input_section_sort_entry::has_priority): New
11817         function.
11818         (Output_section::Input_section_sort_entry::match_file_name): New
11819         function.
11820         (Output_section::Input_section_sort_entry::match_section_name):
11821         Remove.
11822         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11823         Remove.
11824         (Output_section::Input_section_sort_entry::match_section_file):
11825         Remove.
11826         (Output_section::Input_section_sort_compare::operator()): Rewrite
11827         using new Input_section_sort_entry functions.  Sort crtbegin and
11828         crtend first.  Sort sections with no priority before sections with
11829         a priority.
11830         * testsuite/initpri1.c (d3): Check j != 4.
11831         (cd5): New constructor/destructor function.
11832         (main): Check j != 2.
11833
11834         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11835         new symbol when resolving, don't call set_is_default.
11836         * testsuite/ver_test_7.cc: New file.
11837         * testsuite/ver_test_7.sh: New file.
11838         * testsuite/Makefile.am (ver_test_7.so): New target.
11839         (ver_test_7.o): New target.
11840         (check_SCRIPTS): Add ver_test_7.sh.
11841         (check_DATA): Add ver_test_7.syms.
11842         (ver_test_7.syms): New target.
11843
11844 2008-03-28  Ian Lance Taylor  <iant@google.com>
11845
11846         * layout.cc (Layout::layout): If we see an input section with a
11847         name that needs sorting, set the must_sort flag for the output
11848         section.
11849         (Layout::make_output_section): If the name of the output section
11850         indicates that it might require sorting, set the may_sort flag.
11851         * output.h (Output_section::may_sort_attached_input_sections): New
11852         function.
11853         (Output_section::set_may_sort_attached_input_sections): New
11854         function.
11855         (Output_section::must_sort_attached_input_sections): New
11856         function.
11857         (Output_section::set_must_sort_attached_input_sections): New
11858         function.
11859         (class Output_section): Declare Input_section_sort_entry.  Define
11860         Input_section_sort_compare.  Declare
11861         sort_attached_input_sections.  Add new fields:
11862         may_sort_attached_input_sections_,
11863         must_sort_attached_input_sections_,
11864         attached_input_sections_are_sorted_.
11865         * output.cc (Output_section::Output_section): Initialize new
11866         fields.
11867         (Output_section::add_input_section): Add an entry to
11868         input_sections_ if may_sort or must_sort are true.
11869         (Output_section::set_final_data_size): Call
11870         sort_attached_input_sections if necessary.
11871         (Output_section::Input_section_sort_entry): Define new class.
11872         (Output_section::Input_section_sort_compare::operator()): New
11873         function.
11874         (Output_section::sort_attached_input_sections): New function.
11875         * configure.ac: Check whether the compiler supports constructor
11876         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11877         * testsuite/initpri1.c: New file.
11878         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11879         CONSTRUCTOR_PRIORITY.
11880         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11881         (initpri1_LDFLAGS): New variable.
11882         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11883
11884 2008-03-27  Ian Lance Taylor  <iant@google.com>
11885
11886         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11887         * testsuite/common_test_1.c: New file.
11888         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11889         (common_test_1_SOURCES): New variable.
11890         (common_test_1_DEPENDENCIES): New variable.
11891         (common_test_1_LDFLAGS): New variable.
11892
11893         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11894         and commons_ correctly when NAME/VERSION does not override
11895         NAME/NULL.
11896         * testsuite/ver_test_6.c: New file.
11897         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11898         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11899         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11900
11901 2008-03-26  Ian Lance Taylor  <iant@google.com>
11902
11903         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11904         of an undefined symbol from a version script.
11905         * testsuite/Makefile.am (ver_test_5.so): New target.
11906         (ver_test_5.o): New target.
11907         (check_SCRIPTS): Add ver_test_5.sh.
11908         (check_DATA): Add ver_test_5.syms.
11909         (ver_test_5.syms): New target.
11910         * testsuite/ver_test_5.cc: New file.
11911         * testsuite/ver_test_5.script: New file.
11912         * testsuite/ver_test_5.sh: New file.
11913         * Makefile.in, testsuite/Makefile.in: Rebuild.
11914
11915         PR gold/5986
11916         Fix problems building gold with gcc 4.3.0.
11917         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11918         (gold_error_at_location, gold_warning_at_location): Use it.
11919         * configure.ac: Check whether we can compile and use a template
11920         function with a printf attribute.
11921         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11922         when jumping over bytes.
11923         * object.cc: Instantiate Object::read_section_data.
11924         * debug.h: Include <cstring>
11925         * dwarf_reader.cc: Include <algorithm>
11926         * main.cc: Include <cstring>.
11927         * options.cc: Include <cstring>.
11928         * output.cc: Include <cstring>.
11929         * script.cc: Include <cstring>.
11930         * script.h: Include <string>.
11931         * symtab.cc: Include <cstring> and <algorithm>.
11932         * target-select.cc: Include <cstring>.
11933         * version.cc: Include <string>.
11934         * testsuite/testmain.cc: Include <cstdlib>.
11935         * configure, config.in: Rebuild.
11936
11937 2008-03-25  Ian Lance Taylor  <iant@google.com>
11938
11939         * options.cc: Include "../bfd/bfdver.h".
11940         (options::help): Print bug reporting address.
11941
11942         * version.cc (print_version): Adjust output for current value of
11943         BFD_VERSION_STRING.
11944
11945         * NEWS: New file.
11946
11947         * options.cc (options::help): Print list of supported targets.
11948         * target-select.h: Include <vector>.
11949         (class Target_selector): Make machine_, size_, and is_big_endian_
11950         fields const.  Add bfd_name_ and instantiated_target_ fields.
11951         (Target_selector::Target_selector): Add bfd_name parameter.
11952         (Target_selector::recognize): Make non-virtual, call
11953         do_recognize.
11954         (Target_selector::recognize_by_name): Make non-virtual, call
11955         do_recognize_by_name.
11956         (Target_selector::supported_names): New function.
11957         (Target_selector::bfd_name): New function.
11958         (Target_selector::do_instantiate_target): New pure virtual
11959         function.
11960         (Target_selector::do_recognize): New virtual function.
11961         (Target_selector::do_recognize_by_name): New virtual function.
11962         (Target_selector::instantiate_target): New private function.
11963         (supported_target_names): Declare.
11964         * target-select.cc (Target_selector::Target_selector): Update for
11965         new parameter and fields.
11966         (select_target_by_name): Check that the name matches before
11967         calling recognize_by_name.
11968         (supported_target_names): New function.
11969         * i386.cc (class Target_selector_i386): Update Target_selector
11970         constructor call.  Remove recognize and recognize_by_name.  Add
11971         do_instantiate_target.
11972         * x86_64.cc (class Target_selector_x86_64): Likewise.
11973         * testsuite/testfile.cc (class Target_selector_test): Update for
11974         changes to Target_selector.
11975
11976         * README: Rewrite, with some notes on unsupported features.
11977
11978 2008-03-24  Cary Coutant  <ccoutant@google.com>
11979
11980         * i386.cc (Target_i386::Got_type): New enum declaration.
11981         (Target_i386::Scan::local): Updated callers of Output_data_got
11982         member functions.
11983         (Target_i386::Scan::global): Likewise.
11984         (Target_i386::Relocate::relocate): Likewise.
11985         (Target_i386::Relocate::relocate_tls): Likewise.
11986         * object.h (Got_offset_list): New class.
11987         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11988         (Sized_relobj::local_got_offset): Likewise.
11989         (Sized_relobj::set_local_got_offset): Likewise.
11990         (Sized_relobj::local_has_tls_got_offset): Removed.
11991         (Sized_relobj::local_tls_got_offset): Removed.
11992         (Sized_relobj::set_local_tls_got_offset): Removed.
11993         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11994         * output.cc (Output_data_got::add_global): Added got_type parameter.
11995         (Output_data_got::add_global_with_rel): Likewise.
11996         (Output_data_got::add_global_with_rela): Likewise.
11997         (Output_data_got::add_global_pair_with_rel): New function.
11998         (Output_data_got::add_global_pair_with_rela): New function.
11999         (Output_data_got::add_local): Added got_type parameter.
12000         (Output_data_got::add_local_with_rel): Likewise.
12001         (Output_data_got::add_local_with_rela): Likewise.
12002         (Output_data_got::add_local_pair_with_rel): New function.
12003         (Output_data_got::add_local_pair_with_rela): New function.
12004         (Output_data_got::add_global_tls): Removed.
12005         (Output_data_got::add_global_tls_with_rel): Removed.
12006         (Output_data_got::add_global_tls_with_rela): Removed.
12007         (Output_data_got::add_local_tls): Removed.
12008         (Output_data_got::add_local_tls_with_rel): Removed.
12009         (Output_data_got::add_local_tls_with_rela): Removed.
12010         * output.h (Output_data_got::add_global): Added got_type parameter.
12011         (Output_data_got::add_global_with_rel): Likewise.
12012         (Output_data_got::add_global_with_rela): Likewise.
12013         (Output_data_got::add_global_pair_with_rel): New function.
12014         (Output_data_got::add_global_pair_with_rela): New function.
12015         (Output_data_got::add_local): Added got_type parameter.
12016         (Output_data_got::add_local_with_rel): Likewise.
12017         (Output_data_got::add_local_with_rela): Likewise.
12018         (Output_data_got::add_local_pair_with_rel): New function.
12019         (Output_data_got::add_local_pair_with_rela): New function.
12020         (Output_data_got::add_global_tls): Removed.
12021         (Output_data_got::add_global_tls_with_rel): Removed.
12022         (Output_data_got::add_global_tls_with_rela): Removed.
12023         (Output_data_got::add_local_tls): Removed.
12024         (Output_data_got::add_local_tls_with_rel): Removed.
12025         (Output_data_got::add_local_tls_with_rela): Removed.
12026         * resolve.cc (Symbol::override_base_with_special): Removed
12027         reference to has_got_offset_ field.
12028         * symtab.cc (Symbol::init_fields): Replaced initialization
12029         of got_offset_ with got_offsets_.  Removed initialization
12030         of has_got_offset_
12031         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12032         (Symbol::got_offset): Likewise.
12033         (Symbol::set_got_offset): Likewise.
12034         (Symbol::has_tls_got_offset): Removed.
12035         (Symbol::tls_got_offset): Removed.
12036         (Symbol::set_tls_got_offset): Removed.
12037         (Symbol::got_offset_): Removed.
12038         (Symbol::tls_mod_got_offset_): Removed.
12039         (Symbol::tls_pair_got_offset_): Removed.
12040         (Symbol::got_offsets_): New field.
12041         (Symbol::has_got_offset): Removed.
12042         (Symbol::has_tls_mod_got_offset): Removed.
12043         (Symbol::has_tls_pair_got_offset): Removed.
12044         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12045         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12046         member functions.
12047         (Target_x86_64::Scan::global): Likewise.
12048         (Target_x86_64::Relocate::relocate): Likewise.
12049         (Target_x86_64::Relocate::relocate_tls): Likewise.
12050
12051 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12052
12053         * yyscript.y: Fix spelling error in comment.
12054
12055 2008-03-24  Ian Lance Taylor  <iant@google.com>
12056
12057         * options.h (class General_options): Define build_id option.
12058         * layout.h (class Layout): Declare write_build_id, create_note,
12059         create_build_id.  Add build_id_note_ member.
12060         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12061         "libiberty.h", "md5.h", "sha1.h".
12062         (Layout::Layout): Initialize eh_frame_data_,
12063         eh_frame_hdr_section_, and build_id_note_.
12064         (Layout::finalize): Call create_build_id.
12065         (Layout::create_note): New function, broken out of
12066         Layout::create_gold_note.
12067         (Layout::create_gold_note): Call create_note.
12068         (Layout::create_build_id): New function.
12069         (Layout::write_build_id): New function.
12070         (Close_task_runner::run): Call write_build_id.
12071
12072         * x86_64.cc: Correct license to GPLv3.
12073
12074 2008-03-23  Ian Lance Taylor  <iant@google.com>
12075
12076         * options.cc: Include "demangle.h".
12077         (parse_optional_string): New function.
12078         (parse_long_option): Handle takes_optional_argument.
12079         (parse_short_option): Update dash_z initializer.  Handle
12080         takes_optional_argument.
12081         (General_options::General_options): Initialize do_demangle_.
12082         (General_options::finalize): Set do_demangle_.  Handle demangling
12083         style.
12084         * options.h (parse_optional_string): Declare.
12085         (struct One_option): Add optional_arg field.  Update constructor.
12086         Update call constructor calls.  Add takes_optional_argument
12087         function.
12088         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12089         (DEFINE_optional_string): Define.
12090         (General_options::demangle): Change from DEFINE_bool to
12091         DEFINE_optional_string.
12092         (General_options::no_demangle): New function.
12093         (General_options::do_demangle): New function.
12094         (General_options::set_do_demangle): New function.
12095         (General_options::execstack_status_): Move definition to end of
12096         class definition.
12097         (General_options::static_): Likewise.
12098         (General_options::do_demangle_): New field.
12099         * object.cc (big_endian>::get_symbol_location_info): Call
12100         Options::do_demangle, not Options::demangle.
12101         * symtab.cc (demangle): Likewise.
12102
12103 2008-03-22  Ian Lance Taylor  <iant@google.com>
12104
12105         * gold.h: Include <cstddef> and <sys/types.h>
12106         * options.h: Include <cstring>.
12107
12108 2008-03-21  Ian Lance Taylor  <iant@google.com>
12109
12110         * Added source code to GNU binutils.