gold/ChangeLog

   1 2011-10-12  Cary Coutant  <ccoutant@google.com>
   2
   3         * gold/output.cc (Output_file::open_base_file): Handle case where
   4         ::read returns less than requested size.
   5
   6 2011-10-10  Cary Coutant  <ccoutant@google.com>
   7
   8         * gold/incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
   9         Initialize defined_count_.
  10         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
  11         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
  12         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
  13         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
  14         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
  15         * gold/incremental.h (Sized_relobj_incr::defined_count_): New data
  16         member.
  17         (Sized_incr_dynobj::defined_count_): New data member.
  18         * gold/plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
  19         Return zeroes instead of internal error.
  20
  21 2011-10-10  Cary Coutant  <ccoutant@google.com>
  22
  23         PR gold/13249
  24         * gold/output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
  25         (Output_reloc::symbol_value): Return PLT offset if flag is set.
  26         * gold/output.h (class Output_reloc): Add use_plt_offset flag.
  27         (Output_reloc::type_): Adjust size of bit field.
  28         (Output_reloc::use_plt_offset_): New bit field.
  29         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
  30         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
  31         flag.  Adjust all callers.
  32         * gold/x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
  33         creating RELATIVE relocations.
  34
  35 2011-10-10  Nick Clifton  <nickc@redhat.com>
  36
  37         * po/es.po: Updated Spanish translation.
  38         * po/fi.po: Updated Finnish translation.
  39
  40 2011-10-03   Diego Novillo  <dnovillo@google.com>
  41
  42         * options.cc (parse_uint): Fix dereference of RETVAL.
  43
  44 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
  45
  46         * layout.h (section_order_map_): New member.
  47         (get_section_order_map): New member function.
  48         * output.cc (Output_section::add_input_section): Check for patterns
  49         only when --section-ordering-file is specified.
  50         * gold.cc (queue_middle_tasks): Delay updating order of sections till
  51         output_sections have been formed.
  52         * layout.cc (Layout_Layout): Initialize section_order_map_.
  53         * plugin.cc (update_section_order): Store order in order_map. Do not
  54         update the order.
  55         * testsuite/Makefile.am: Add test case for plugin_final_layout.
  56         * testsuite/Makefile.in: Regenerate.
  57         * testsuite/plugin_section_order.c: New file.
  58         * testsuite/plugin_final_layout.cc: New file.
  59         * testsuite/plugin_final_layout.sh: New file.
  60
  61 2011-09-29  Cary Coutant  <ccoutant@google.com>
  62
  63         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
  64         Check for NULL.
  65         * gold/symtab.cc (Symbol_table::add_from_relobj): Ignore version
  66         symbols during incremental update.
  67         (Symbol_table::add_from_dynobj): Likewise.
  68
  69 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  70             Ian Lance Taylor  <iant@google.com>
  71
  72         * symtab.cc (Symbol_table::define_special_symbol): Always
  73         canonicalize version string.
  74
  75 2011-09-26  Cary Coutant  <ccoutant@google.com>
  76
  77         * gold/gold.cc (queue_initial_tasks): Move option checks ...
  78         * gold/options.cc (General_options::finalize): ... to here. Disable
  79         some options; make others fatal.
  80
  81 2011-09-26  Cary Coutant  <ccoutant@google.com>
  82
  83         gcc PR lto/47247
  84         * plugin.cc (get_symbols_v2): New function.
  85         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
  86         (is_referenced_from_outside): New function.
  87         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
  88         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
  89         (get_symbols): Pass version parameter.
  90         (get_symbols_v2): New function.
  91         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
  92         parameter.
  93         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
  94         (onload): Add LDPT_GET_SYMBOLS_V2.
  95         (all_symbols_read_hook): Use get_symbols_v2; check for
  96         LDPR_PREVAILING_DEF_IRONLY_EXP.
  97         * testsuite/plugin_test_3.sh: Update expected results.
  98
  99 2011-09-23  Simon Baldwin  <simonb@google.com>
 100
 101         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 102         configuration options.
 103         * configure: Regenerate.
 104         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 105         * Makefile.in: Regenerate.
 106         * testsuite/Makefile.in: Regenerate.
 107
 108 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 109
 110         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 111
 112 2011-09-19  Cary Coutant  <ccoutant@google.com>
 113
 114         * incremental.cc (can_incremental_update): Fix typo in comment.
 115         * incremental.h (can_incremental_update): Likewise.
 116
 117 2011-09-18  Cary Coutant  <ccoutant@google.com>
 118
 119         * incremental.cc (can_incremental_update): New function.
 120         * incremental.h (can_incremental_update): New function.
 121         * layout.cc (Layout::init_fixed_output_section): Call it.
 122         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 123         * object.cc (Sized_relobj_file::do_layout): Call
 124         can_incremental_update.
 125
 126 2011-09-13  Cary Coutant  <ccoutant@google.com>
 127
 128         * configure.ac: Check for glibc support for gnu_indirect_function
 129         support with static linking, setting automake conditional
 130         IFUNC_STATIC.
 131         * Makefile.in: Regenerate.
 132         * configure: Regenerate.
 133
 134         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 135         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 136         for IFUNC_STATIC.
 137         * testsuite/Makefile.in: Regenerate.
 138
 139 2011-09-13  Cary Coutant  <ccoutant@google.com>
 140
 141         * incremental.cc (Sized_relobj_incr::do_layout): Call
 142         report_comdat_group for kept comdat sections.
 143         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 144         * testsuite/Makefile.in: Regenerate.
 145         * testsuite/incr_comdat_test_1.cc: New source file.
 146         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 147         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 148         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 149
 150 2011-09-13  Ian Lance Taylor  <iant@google.com>
 151
 152         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 153         variable external_symbols_offset.
 154
 155 2011-09-12  Ian Lance Taylor  <iant@google.com>
 156
 157         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 158         triggered if object has no symbols.
 159
 160 2011-09-09  David S. Miller  <davem@davemloft.net>
 161
 162         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 163         (Output_fill_debug_line::do_write): Likewise.
 164
 165 2011-08-29  Cary Coutant  <ccoutant@google.com>
 166
 167         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 168         casts to match formatting specs.
 169         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 170
 171 2011-08-26  Cary Coutant  <ccoutant@google.com>
 172
 173         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 174         remaining hole size when allocating.
 175         (Layout::make_output_section): Set fill methods for debug sections.
 176         * layout.h (Free_list::Free_list_node): Move from private to
 177         public.
 178         (Free_list::set_min_hole_size): New function.
 179         (Free_list::begin, Free_list::end): New functions.
 180         (Free_list::min_hole_): New data member.
 181         * output.cc: Include dwarf.h.
 182         (Output_fill_debug_info::do_minimum_hole_size): New function.
 183         (Output_fill_debug_info::do_write): New function.
 184         (Output_fill_debug_line::do_minimum_hole_size): New function.
 185         (Output_fill_debug_line::do_write): New function.
 186         (Output_section::Output_section): Initialize new data member.
 187         (Output_section::set_final_data_size): Ensure patch space is larger
 188         than minimum hole size.
 189         (Output_section::do_write): Fill holes in debug sections.
 190         * output.h (Output_fill): New class.
 191         (Output_fill_debug_info): New class.
 192         (Output_fill_debug_line): New class.
 193         (Output_section::set_free_space_fill): New function.
 194         (Output_section::free_space_fill_): New data member.
 195         * testsuite/Makefile.am (incremental_test_3): Add
 196         --incremental-patch option.
 197         (incremental_test_4): Likewise.
 198         (incremental_test_5): Likewise.
 199         (incremental_test_6): Likewise.
 200         (incremental_copy_test): Likewise.
 201         (incremental_common_test_1): Likewise.
 202         * testsuite/Makefile.in: Regenerate.
 203
 204 2011-08-26  Nick Clifton  <nickc@redhat.com>
 205
 206         * po/es.po: Updated Spanish translation.
 207
 208 2011-08-01  Cary Coutant  <ccoutant@google.com>
 209
 210         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 211         * gold/testsuite/Makefile.in: Regenerate.
 212         * gold/testsuite/justsyms_exec.c: New source file.
 213         * gold/testsuite/justsyms_lib.c: New source file.
 214
 215 2011-08-01  Cary Coutant  <ccoutant@google.com>
 216
 217         * layout.cc (Layout::set_segment_offsets): Don't realign text
 218         segment if -Ttext was specified.
 219         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 220         file type.
 221         * object.h (Sized_relobj_file::e_type): New function.
 222         (Sized_relobj_file::e_type_): New data member.
 223         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 224         base address for ET_EXEC files.
 225         * target.cc (Target::do_make_elf_object_implementation): Allow
 226         ET_EXEC files with --just-symbols option.
 227
 228 2011-07-28  Cary Coutant  <ccoutant@google.com>
 229
 230         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 231         Add thread_number parameter.
 232         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 233         * workqueue-threads.cc
 234         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 235         current thread if its thread number is greater than desired thread
 236         count.
 237         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 238         Add thread_number parameter.
 239         (Workqueue::should_cancel_thread): Likewise.
 240         (Workqueue::find_runnable_or_wait): Pass thread_number to
 241         should_cancel_thread.
 242         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 243         parameter.
 244
 245 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 246
 247         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 248         only after checking if it cannot be forced local.
 249         * symtab.h (is_externally_visible): Check if the symbol is not forced
 250         local.
 251
 252 2011-07-15  Ian Lance Taylor  <iant@google.com>
 253
 254         * options.h (class General_options): Add --print-output-format.
 255         Move -EL next to -EB, for  better --help output.
 256         * target-select.cc: Include <cstdio>, "options.h", and
 257         "parameters.h".
 258         (Target_selector::do_target_bfd_name): New function.
 259         (print_output_format): New function.
 260         * target-select.h (class Target_selector): Update declarations.
 261         (Target_selector::target_bfd_name): New function.
 262         (print_output_format): Declare.
 263         * main.cc: Include "target-select.h".
 264         (main): Handle --print-output-format.
 265         * gold.cc: Include "target-select.h".
 266         (queue_initial_tasks): Handle --print-output-format when there are
 267         no input files.
 268         * parameters.cc (parameters_force_valid_target): Give a better
 269         error message if -EB/-EL does not match target.
 270         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 271         function.
 272
 273 2011-07-15  Ian Lance Taylor  <iant@google.com>
 274
 275         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 276         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 277         (Output_data_plt_i386::do_write): Write address of .dynamic
 278         section to first entry in .got.plt section.
 279         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 280         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 281         Initialize layout_.
 282         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 283         section to first entry in .got.plt section.
 284         * layout.h (Layout::dynamic_section): New function.
 285
 286 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 287
 288         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 289         to claim_file call.
 290         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 291         input_section_position_, and input_section_glob_.
 292         (read_layout_from_file): Call function section_ordering_specified.
 293         * layout.h (is_section_ordering_specified): New function.
 294         (section_ordering_specified): New function.
 295         (section_ordering_specified_): New boolean member.
 296         * main.cc(main): Call load_plugins after layout object is defined.
 297         * output.cc (Output_section::add_input_section): Use
 298         function section_ordering_specified to check if section ordering is
 299         needed.
 300         * output.cc (Output_section::add_relaxed_input_section): Use
 301         function section_ordering_specified to check if section ordering is
 302         needed.
 303         (Output_section::update_section_layout): New function.
 304         (Output_section::sort_attached_input_sections): Check if input section
 305         must be reordered.
 306         * output.h (Output_section::update_section_layout): New function.
 307         * plugin.cc (get_section_count): New function.
 308         (get_section_type): New function.
 309         (get_section_name): New function.
 310         (get_section_contents): New function.
 311         (update_section_order): New function.
 312         (allow_section_ordering): New function.
 313         (Plugin::load): Add the new interfaces to the transfer vector.
 314         (Plugin_manager::load_plugins): New parameter.
 315         (Plugin_manager::all_symbols_read): New parameter.
 316         (Plugin_manager::claim_file): New parameter. Save the elf object for
 317         unclaimed objects.
 318         (Plugin_manager::get_elf_object): New function.
 319         (Plugin_manager::get_view): Change to directly use the bool to check
 320         if get_view is called from claim_file_hook.
 321         * plugin.h (input_objects): New function
 322         (Plugin__manager::load_plugins): New parameter.
 323         (Plugin_manager::claim_file): New parameter.
 324         (Plugin_manager::get_elf_object): New function.
 325         (Plugin_manager::in_claim_file_handler): New function.
 326         (Plugin_manager::in_claim_file_handler_): New member.
 327         (layout): New function.
 328         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 329         handler with an extra parameter. Make the elf object before calling
 330         claim_file handler.
 331         * testsuite/plugin_test.c (get_section_count): New function pointer.
 332         (get_section_type): New function pointer.
 333         (get_section_name): New function pointer.
 334         (get_section_contents): New function pointer.
 335         (update_section_order): New function pointer.
 336         (allow_section_ordering): New function pointer.
 337         (onload): Check if the new interfaces exist.
 338
 339 2011-07-13  Ian Lance Taylor  <iant@google.com>
 340
 341         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 342         relro section.
 343         * x86_64.cc (Target_x86_64::got_section): Likewise.
 344         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 345         (relro_now_test_SOURCES): New variable.
 346         (relro_now_test_DEPENDENCIES): New variable.
 347         (relro_now_test_LDFLAGS): New variable.
 348         (relro_now_test_LDADD): New variable.
 349         (relro_now_test.so): New target.
 350         * testsuite/Makefile.in: Rebuild.
 351
 352 2011-07-12  Ian Lance Taylor  <iant@google.com>
 353
 354         PR gold/12980
 355         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 356         GLOB_DAT relocation rather than a RELATIVE relocation for a
 357         protected symbol when creating a shared library.
 358         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 359         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 360         * testsuite/protected_main_1.cc (main): Test that protected
 361         function has same address.
 362
 363 2011-07-11  Ian Lance Taylor  <iant@google.com>
 364
 365         PR gold/12979
 366         * options.h (class General_options): Add -Bgroup.
 367         * options.cc (General_options::finalize): If -Bgroup is set,
 368         default to --unresolved-symbols=report-all.
 369         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 370         * target-reloc.h (issue_undefined_symbol_error): Handle
 371         --unresolved-symbols=report-all.
 372
 373 2011-07-08  Ian Lance Taylor  <iant@google.com>
 374
 375         PR gold/11985
 376         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 377         if linker script discards key sections.
 378         (Layout::create_dynamic_symtab): Likewise.
 379         (Layout::assign_local_dynsym_offsets): Likewise.
 380         (Layout::sized_create_version_sections): Likewise.
 381         (Layout::create_interp): Likewise.
 382         (Layout::finish_dynamic_section): Likewise.
 383         (Layout::set_dynamic_symbol_size): Likewise.
 384
 385 2011-07-08  Ian Lance Taylor  <iant@google.com>
 386
 387         PR gold/12386
 388         * options.h (class General_options): Add --unresolved-symbols.
 389         * target-reloc.h (issue_undefined_symbol_error): Check
 390         --unresolved-symbols.  Add comments.
 391
 392 2011-07-08  Ian Lance Taylor  <iant@google.com>
 393
 394         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 395         expression more complex.
 396
 397 2011-07-08  Ian Lance Taylor  <iant@google.com>
 398
 399         PR gold/11317
 400         * target-reloc.h (issue_undefined_symbol_error): New inline
 401         function, broken out of relocate_section.
 402         (relocate_section): Call issue_undefined_symbol_error.
 403         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 404         there is no TLS segment if we are about to issue an undefined
 405         symbol error.
 406         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 407
 408 2011-07-08  Ian Lance Taylor  <iant@google.com>
 409
 410         PR gold/12279
 411         * resolve.cc (Symbol_table::should_override): Add fromtype
 412         parameter.  Change all callers.  Give error when linking together
 413         TLS and non-TLS symbol.
 414         (Symbol_table::should_override_with_special): Add fromtype
 415         parameter.  Change all callers.
 416         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 417         there is no TLS segment if we have reported some errors.
 418         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 419
 420 2011-07-08  Ian Lance Taylor  <iant@google.com>
 421
 422         PR gold/12372
 423         * target.h (Target::plt_address_for_global): New function.
 424         (Target::plt_address_for_local): New function.
 425         (Target::plt_section_for_global): Remove.
 426         (Target::plt_section_for_local): Remove.
 427         (Target::do_plt_address_for_global): New virtual function.
 428         (Target::do_plt_address_for_local): New virtual function.
 429         (Target::do_plt_section_for_global): Remove.
 430         (Target::do_plt_section_for_local): Remove.
 431         (Target::register_global_plt_entry): Add Symbol_table and Layout
 432         parameters.
 433         * output.cc (Output_data_got::Got_entry::write): Use
 434         plt_address_for_global and plt_address_for_local.
 435         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 436         address of output section.
 437         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 438         got_irelative_, and irelative_count_ fields.  Update
 439         declarations.
 440         (Output_data_plt_i386::has_irelative_section): New function.
 441         (Output_data_plt_i386::entry_count): Add irelative_count_.
 442         (Output_data_plt_i386::set_final_data_size): Likewise.
 443         (class Target_i386): Add got_irelative_ and rel_irelative_
 444         fields.  Update declarations.
 445         (Target_i386::Target_i386): Initialize new fields.
 446         (Target_i386::do_plt_address_for_global): New function replacing
 447         do_plt_section_for_global.
 448         (Target_i386::do_plt_address_for_local): New function replacing
 449         do_plt_section_for_local.
 450         (Target_i386::got_section): Create got_irelative_.
 451         (Target_i386::rel_irelative_section): New function.
 452         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 453         fields.  Don't define __rel_iplt_{start,end}.
 454         (Output_data_plt_i386::add_entry): Add symtab and layout
 455         parameters.  Change all callers.  Use different PLT and GOT for
 456         IFUNC symbols.
 457         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 458         layout parameters.  Change all callers.  Use different PLT and
 459         GOT.
 460         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 461         (Output_data_plt_i386::rel_irelative): New function.
 462         (Output_data_plt_i386::address_for_global): New function.
 463         (Output_data_plt_i386::address_for_local): New function.
 464         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 465         IRELATIVE GOT when changing IFUNC GOT entries.
 466         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 467         reloc.
 468         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 469         if we didn't create an IRELATIVE GOT.
 470         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 471         plt_address_for_local.
 472         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 473         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 474         got_irelative_, and irelative_count_ fields.  Update
 475         declarations.
 476         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 477         Initialize new fields.  Remove symtab parameter.  Change all
 478         callers.
 479         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 480         irelative_count_.
 481         (Output_data_plt_x86_64::has_irelative_section): New function.
 482         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 483         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 484         fields.  Update declarations.
 485         (Target_x86_64::Target_x86_64): Initialize new fields.
 486         (Target_x86_64::do_plt_address_for_global): New function replacing
 487         do_plt_section_for_global.
 488         (Target_x86_64::do_plt_address_for_local): New function replacing
 489         do_plt_section_for_local.
 490         (Target_x86_64::got_section): Create got_irelative_.
 491         (Target_x86_64::rela_irelative_section): New function.
 492         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 493         all callers.  Don't create __rel_iplt_{start,end}.
 494         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 495         parameters.  Change all callers.  Use different PLT and GOT for
 496         IFUNC symbols.
 497         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 498         layout parameters.  Change all callers.  Use different PLT and
 499         GOT.
 500         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 501         parameters.  Change all callers.  Use different PLT and GOT for
 502         IFUNC symbols.
 503         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 504         (Output_data_plt_x86_64::rela_irelative): New function.
 505         (Output_data_plt_x86_64::address_for_global): New function.
 506         (Output_data_plt_x86_64::address_for_local): New function.
 507         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 508         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 509         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 510         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 511         parameters.
 512         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 513         reloc.
 514         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 515         symbols if we didn't create an IRELATIVE GOT.
 516         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 517         plt_address_for_local.
 518         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 519         * testsuite/ifuncvar1.c: New test file.
 520         * testsuite/ifuncvar2.c: New test file.
 521         * testsuite/ifuncvar3.c: New test file.
 522         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 523         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 524         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 525         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 526         * testsuite/Makefile.in: Rebuild.
 527
 528 2011-07-07  Cary Coutant  <ccoutant@google.com>
 529
 530         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 531         (two_file_test_1_ndebug.o): Likewise.
 532         (two_file_test_1b_ndebug.o): Likewise.
 533         (two_file_test_2_ndebug.o): Likewise.
 534         (two_file_test_main_ndebug.o): Likewise.
 535         (incremental_test_2): Link with no-debug versions.
 536
 537 2011-07-06  Cary Coutant  <ccoutant@google.com>
 538
 539         * gold/incremental.cc
 540         (Output_section_incremental_inputs::write_info_blocks): Check for
 541         hidden and internal symbols.
 542
 543 2011-07-06  Cary Coutant  <ccoutant@google.com>
 544
 545         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 546         Check disposition for startup file.
 547         (Incremental_inputs::report_command_line): Ignore
 548         --incremental-startup-unchanged option.
 549         * options.cc (General_options::parse_incremental_startup_unchanged):
 550         New function.
 551         (General_options::General_options): Initialize new data member.
 552         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 553         (General_options): Add --incremental-startup-unchanged option.
 554         (General_options::incremental_startup_disposition): New function.
 555         (General_options::incremental_startup_disposition_): New data member.
 556
 557 2011-07-06  Cary Coutant  <ccoutant@google.com>
 558
 559         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 560         input file index to Script_info ctor.
 561         (Sized_incremental_binary::do_file_has_changed): Find the
 562         command-line argument for files named in scripts.
 563         * incremental.h (Script_info::Script_info): New ctor
 564         with input file index.
 565         (Script_info::input_file_index): New function.
 566         (Script_info::input_file_index_): New data member.
 567         (Incremental_binary::get_library): Add const.
 568         (Incremental_binary::get_script_info): Add const.
 569         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 570         * testsuite/Makefile.am (incremental_test_5): New test case.
 571         (incremental_test_6): New test case.
 572         * testsuite/Makefile.in: Regenerate.
 573
 574 2011-07-06  Cary Coutant  <ccoutant@google.com>
 575
 576         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 577         debug output when command lines differ.
 578
 579 2011-07-06  Cary Coutant  <ccoutant@google.com>
 580
 581         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 582         --incremental-patch option.
 583         * layout.cc (Free_list::allocate): Extend allocation beyond original
 584         end if enabled.
 585         (Layout::make_output_section): Mark sections that should get
 586         patch space.
 587         * options.cc (parse_percent): New function.
 588         * options.h (parse_percent): New function.
 589         (DEFINE_percent): New macro.
 590         (General_options): Add --incremental-patch option.
 591         * output.cc (Output_section::Output_section): Initialize new data
 592         members.
 593         (Output_section::add_input_section): Print section name when out
 594         of patch space.
 595         (Output_section::add_output_section_data): Likewise.
 596         (Output_section::set_final_data_size): Add patch space when
 597         doing --incremental-full.
 598         (Output_section::do_reset_address_and_file_offset): Remove patch
 599         space.
 600         (Output_segment::set_section_list_addresses): Print debug output
 601         only if --incremental-update.
 602         * output.h (Output_section::set_is_patch_space_allowed): New function.
 603         (Output_section::is_patch_space_allowed_): New data member.
 604         (Output_section::patch_space_): New data member.
 605         * parameters.cc (Parameters::incremental_full): New function.
 606         * parameters.h (Parameters::incremental_full): New function
 607         * testsuite/Makefile.am (incremental_test_2): Add test for
 608         --incremental-patch option.
 609         * testsuite/Makefile.in: Regenerate.
 610         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 611         (t18): Remove function body.
 612
 613 2011-07-05  Doug Kwan  <dougkwan@google.com>
 614
 615         PR gold/12771
 616         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 617         Arm_Address type for relocation result.
 618         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 619         overflow check.
 620         (Arm_relocate_functions::abs32): Use unaligned access.
 621         (Arm_relocate_functions::rel32): Ditto.
 622         (Arm_relocate_functions::prel31): Ditto.
 623         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 624         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 625         static data relocations.
 626         * testsuite/Makefile.in: Regnerate.
 627         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 628
 629 2011-07-05  Ian Lance Taylor  <iant@google.com>
 630
 631         PR gold/12392
 632         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 633         symbols if necessary.
 634         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 635
 636 2011-07-05  Ian Lance Taylor  <iant@google.com>
 637
 638         PR gold/12952
 639         * resolve.cc (Symbol::override_base_with_special): Simply override
 640         version with special symbol version, ignoring previous version.
 641
 642 2011-07-05  Ian Lance Taylor  <iant@google.com>
 643
 644         * object.cc (Sized_relobj_file::include_section_group): Add
 645         information to comment about signature location.
 646
 647 2011-07-02  Ian Lance Taylor  <iant@google.com>
 648
 649         PR gold/12957
 650         * options.h (class General_options): Add -f and -F.
 651         * options.cc (General_options::finalize): Fatal error if -f/-F
 652         are used without -shared.
 653         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 654
 655 2011-07-02  Ian Lance Taylor  <iant@google.com>
 656
 657         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 658
 659 2011-07-01  Ian Lance Taylor  <iant@google.com>
 660
 661         PR gold/12525
 662         PR gold/12952
 663         * resolve.cc (Symbol::override_base_with_special): Don't override
 664         the version if the overriding symbol has a different name.
 665         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 666         all callers.  If we give an error about an undefined version,
 667         define the base version if necessary.
 668         * dynobj.h (class Versions): Update declaration.
 669         * testsuite/weak_alias_test_5.cc: New file.
 670         * testsuite/weak_alias_test.script: New file.
 671         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 672         and versioned_alias have the right value, and call t2.
 673         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 674         weak_alias_test_5.so.
 675         (weak_alias_test_LDADD): Likewise.
 676         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 677         * testsuite/Makefile.in: Rebuild.
 678
 679 2011-07-01  Ian Lance Taylor  <iant@google.com>
 680
 681         PR gold/12525
 682         * options.h (class General_options): Support -z notext.
 683         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 684         -Wl,-z,notext.
 685         (two_file_shared_nonpic.so): Likewise.
 686         (two_file_shared_mixed.so): Likewise.
 687         (two_file_shared_mixed_1.so): Likewise.
 688         (weak_undef_lib_nonpic.so): Likewise.
 689         (alt/weak_undef_lib_nonpic.so): Likewise.
 690         (tls_test_shared_nonpic.so): Likewise.
 691         * testsuite/Makefile.in: Rebuild.
 692
 693 2011-07-01  Ian Lance Taylor  <iant@google.com>
 694
 695         PR gold/12525
 696         * configure.ac: Test whether static linking works, setting
 697         the automake conditional HAVE_STATIC.
 698         * testsuite/Makefile.am: Disable tests using -static if
 699         HAVE_STATIC is not true.
 700         * configure, testsuite/Makefile.in: Rebuild.
 701
 702 2011-07-01  Ian Lance Taylor  <iant@google.com>
 703
 704         PR gold/12525
 705         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 706         Assert if we see DW_EH_PE_indirect.
 707         * target.h (Target::ehframe_datarel_base): New function.
 708         (Target::do_ehframe_datarel_base): New target function.
 709         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 710         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 711         function.
 712
 713 2011-07-01  Ian Lance Taylor  <iant@google.com>
 714
 715         PR gold/12571
 716         * options.h (class General_options): Add
 717         --ld-generated-unwind-info.
 718         * ehframe.cc (Fde::write): Add address parameter.  Change all
 719         callers.  If associated with PLT, fill in address and size.
 720         (Cie::set_output_offset): Only add merge mapping if there is an
 721         object.
 722         (Cie::write): Add address parameter.  Change all callers.
 723         (Eh_frame::add_ehframe_for_plt): New function.
 724         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 725         input_offset_ fields into union u_, with new plt field.
 726         (Fde::Fde): Adjust for new union field.
 727         (Fde::Fde) [Output_data version]: New constructor.
 728         (Fde::add_mapping): Only add merge mapping if there is an object.
 729         (class Cie): Update declarations.
 730         (class Eh_frame): Declare add_ehframe_for_plt.
 731         * layout.cc (Layout::layout_eh_frame): Break out code into
 732         make_eh_frame_section, and call it.
 733         (Layout::make_eh_frame_section): New function.
 734         (Layout::add_eh_frame_for_plt): New function.
 735         * layout.h (class Layout): Update declarations.
 736         * merge.cc (Merge_map::add_mapping): Add assertion.
 737         * i386.cc: Include "dwarf.h".
 738         (class Output_data_plt_i386): Make first_plt_entry,
 739         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 740         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 741         and plt_eh_frame_fde.
 742         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 743         boundary.  Call add_eh_frame_for_plt if appropriate.
 744         * x86_64.cc: Include "dwarf.h".
 745         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 746         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 747         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 748         and plt_eh_frame_fde.
 749         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 750         appropriate.
 751
 752 2011-06-29  Ian Lance Taylor  <iant@google.com>
 753
 754         PR gold/12629
 755         * object.cc (Sized_relobj_file::layout_section): Change shdr
 756         parameter to be const.
 757         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 758         out of do_layout.
 759         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 760         appropriate.  Call layout_eh_frame_section.
 761         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 762         sections.
 763         * object.h (class Sized_relobj_file): Update declarations.
 764
 765 2011-06-29  Ian Lance Taylor  <iant@google.com>
 766
 767         PR gold/12652
 768         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 769         modifier.
 770         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 771
 772 2011-06-29  Ian Lance Taylor  <iant@google.com>
 773
 774         PR gold/12675
 775         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 776         SHT_X86_64_UNWIND.
 777         * layout.cc (Layout::layout_eh_frame): Likewise.
 778
 779 2011-06-29  Ian Lance Taylor  <iant@google.com>
 780
 781         PR gold/12695
 782         * layout.cc (Layout::symtab_section_shndx): New function.
 783         * layout.h (class Layout): Declare symtab_section_shndx.
 784         * output.cc (Output_section::write_header): Call it.
 785
 786 2011-06-29  Ian Lance Taylor  <iant@google.com>
 787
 788         PR gold/12818
 789         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 790         symbols which are not used in a relocation.
 791
 792 2011-06-28  Ian Lance Taylor  <iant@google.com>
 793
 794         PR gold/12898
 795         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 796         script create indistinguishable segments.
 797         (Layout::set_segment_offsets): Use stable_sort when sorting
 798         segments.  Pass this to Compare_segments constructor.
 799         * layout.h (class Layout): Make segment_precedes non-static.
 800         (class Compare_segments): Change from struct to class.  Add
 801         layout_ field.  Add constructor.
 802         * script-sections.cc
 803         (Script_sections::attach_sections_using_phdrs_clause): Rename
 804         local orphan to is_orphan.  Don't report failure to put empty
 805         section in segment.  On attachment failure, report name of
 806         section, and attach to first PT_LOAD segment.
 807
 808 2011-06-28  Ian Lance Taylor  <iant@google.com>
 809
 810         PR gold/12934
 811         * target-select.cc (Target_selector::Target_selector): Add
 812         emulation parameter.  Change all callers.
 813         (select_target_by_bfd_name): Rename from select_target_by_name.
 814         Change all callers.
 815         (select_target_by_emulation): New function.
 816         (supported_emulation_names): New function.
 817         * target-select.h (class Target_selector): Add emulation_ field.
 818         Update declarations.
 819         (Target_selector::recognize_by_bfd_name): Rename from
 820         recognize_by_name.  Change all callers.
 821         (Target_selector::supported_bfd_names): Rename from
 822         supported_names.  Change all callers.
 823         (Target_selector::recognize_by_emulation): New function.
 824         (Target_selector::supported_emulations): New function.
 825         (Target_selector::emulation): New function.
 826         (Target_selector::do_recognize_by_bfd_name): Rename from
 827         do_recognize_by_name.  Change all callers.
 828         (Target_selector::do_supported_bfd_names): Rename from
 829         do_supported_names.  Change all callers.
 830         (Target_selector::do_recognize_by_emulation): New function.
 831         (Target_selector::do_supported_emulations): New function.
 832         (select_target_by_bfd_name): Change name in declaration.
 833         (select_target_by_emulation): Declare.
 834         (supported_emulation_names): Declare.
 835         * parameters.cc (parameters_force_valid_target): Try to find
 836         target based on emulation from -m option.
 837         * options.h (class General_options): Change doc string for -m.
 838         * options.cc (help): Print emulations.
 839         (General_options::parse_V): Likewise.
 840         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 841         Add emulation parameter.  Change all callers.
 842
 843 2011-06-28  Ian Lance Taylor  <iant@google.com>
 844
 845         * target.h (class Target): Add osabi_ field.
 846         (Target::osabi): New function.
 847         (Target::set_osabi): New function.
 848         (Target::Target): Initialize osabi_.
 849         (Target::do_adjust_elf_header): Make pure virtual.
 850         (Sized_target::do_adjust_elf_header): Declare.
 851         * target.cc (Sized_target::do_adjust_elf_header): New function.
 852         (class Sized_target): Instantiate all versions.
 853         * freebsd.h (class Target_freebsd): Remove.
 854         (Target_selector_freebsd::do_recognize): Call set_osabi on
 855         Target.
 856         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 857         (Target_selector_freebsd::set_osabi): Remove.
 858         * i386.cc (class Target_i386): Inherit from Sized_target rather
 859         than Target_freebsd.
 860         * x86_64.cc (class Target_x86_64): Likewise.
 861
 862 2011-06-28  Ian Lance Taylor  <iant@google.com>
 863
 864         * target.h (Target::can_check_for_function_pointers): Rewrite.
 865         Make non-virtual.
 866         (Target::can_icf_inline_merge_sections): Likewise.
 867         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 868         (Target::Target_info): Add can_icf_inline_merge_sections field.
 869         (Target::do_can_check_for_function_pointers): New virtual
 870         function.
 871         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 872         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 873         from can_check_for_function_pointers, move in file.
 874         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 875         section_may_have_icf_unsafe_poineters, move in file.
 876         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 877         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 878         Rename from can_check_for_function_pointers, move in file.
 879         (Target_i386::can_icf_inline_merge_sections): Remove.
 880         (Target_i386::i386_info): Initialize
 881         can_icf_inline_merge_sections.
 882         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 883         Initialize can_icf_inline_merge_sections.
 884         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 885         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 886         Rename from can_check_for_function_pointers, move in file.
 887         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 888         (Target_x86_64::x86_64_info): Initialize
 889         can_icf_inline_merge_sections.
 890         * testsuite/testfile.cc (Target_test::test_target_info):
 891         Likewise.
 892         * icf.cc (get_section_contents): Correct formatting.
 893
 894 2011-06-27  Ian Lance Taylor  <iant@google.com>
 895
 896         * symtab.cc (Symbol::versioned_name): New function.
 897         (Symbol_table::add_to_final_symtab): Use versioned_name when
 898         appropriate.
 899         (Symbol_table::sized_write_symbol): Likewise.
 900         * symtab.h (class Symbol): Declare versioned_name.
 901         * stringpool.h (class Stringpool_template): Add variant of add
 902         which takes a std::basic_string.
 903         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 904         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 905         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 906         (ver_test_12.o): New target.
 907         * testsuite/Makefile.in: Rebuild.
 908
 909 2011-06-27  Doug Kwan  <dougkwan@google.com>
 910
 911         * arm.cc (Arm_relocate_functions::thm_jump8,
 912         Arm_relocate_functions::thm_jump11): Use a wider signed
 913         type to compute offset.
 914         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 915         arm_thm_jump8.
 916         * testsuite/Makefile.in: Regenerate.
 917         * testsuite/arm_branch_in_range.sh: Check test results of
 918         arm_thm_jump11 and arm_thm_jump8.
 919         * testsuite/arm_thm_jump11.s: New test source file.
 920         * testsuite/arm_thm_jump11.t: New linker script.
 921         * testsuite/arm_thm_jump8.s: New test source file.
 922         * testsuite/arm_thm_jump8.t: New linker script.
 923
 924 2011-06-24  Ian Lance Taylor  <iant@google.com>
 925
 926         * layout.cc: Include "object.h".
 927         (ctors_sections_in_init_array): New static variable.
 928         (Layout::is_ctors_in_init_array): New function.
 929         (Layout::layout): Add entry to ctors_sections_in_init_array if
 930         appropriate.
 931         * layout.h (class Layout): Declare is_ctors_in_init_array.
 932         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 933         is_ctors_reverse_view is set.
 934         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 935         all callers.  Set is_ctors_reverse_view field of View_size.
 936         (Sized_relobj_file::reverse_words): New function.
 937         * object.h (Sized_relobj_file::View_size): Add
 938         is_ctors_reverse_view field.
 939         (class Sized_relobj_file): Update declarations.
 940         * testsuite/initpri3.c: New test.
 941         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 942         initpri3b.
 943         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 944         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 945         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 946         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 947         * testsuite/Makefile.in: Rebuild.
 948
 949 2011-06-24  Cary Coutant  <ccoutant@google.com>
 950
 951         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 952         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 953         (debug_msg_cdebug.err): New targets.
 954         * testsuite/Makefile.in: Regenerate.
 955         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 956         Fix checks for link with shared library.
 957
 958 2011-06-24  Doug Kwan  <dougkwan@google.com>
 959
 960         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 961         skip empty text sections.
 962         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 963
 964 2011-06-22  Ian Lance Taylor  <iant@google.com>
 965
 966         PR gold/12910
 967         * options.h (class General_options): Add --ctors-in-init-array.
 968         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 969         friends as SHT_PROGBITS for merging sections.
 970         (Layout::layout): Remove special handling of .init_array and
 971         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 972         and .dtors if ctors_in_init_array.
 973         (Layout::make_output_section): Force correct section types for
 974         .init_array and friends.  Don't sort if doing relocatable link,
 975         Don't sort .ctors and .dtors if ctors_in_init_array.
 976         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 977         (Layout::output_section_name): Add relobj parameter.  Change all
 978         callers.  Handle .ctors. and .dtors. in code rather than table.
 979         Handle .ctors and .dtors if ctors_in_init_array.
 980         (Layout::match_file_name): New function, moved from output.cc.
 981         * layout.h (class Layout): Update declarations.
 982         * output.cc: Include "layout.h".
 983         (Input_section_sort_entry::get_priority): New function.
 984         (Input_section_sort_entry::match_file_name): Just call
 985         Layout::match_file_name.
 986         (Output_section::Input_section_sort_init_fini_compare::operator()):
 987         Handle .ctors and .dtors.  Sort by explicit priority rather than
 988         by name.
 989         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 990         * testsuite/initpri2.c: New test.
 991         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 992         (check_PROGRAMS): Add initpri2.
 993         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
 994         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
 995         * configure, testsuite/Makefile.in: Rebuild.
 996
 997 2011-06-19  Ian Lance Taylor  <iant@google.com>
 998
 999         PR gold/12880
1000         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1001         .interp section to a PT_INTERP segment even if we have seen a
1002         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1003         clause in a linker script.
1004         (Layout::finalize): Don't create a .interp section if we've
1005         already create a PT_INTERP segment.
1006         (Layout::create_interp): Always call choose_output_section (revert
1007         patch of 2011-06-17).  Don't create PT_INTERP segment.
1008         * script-sections.cc
1009         (Script_sections::create_note_and_tls_segments): Add a .interp
1010         section to a PT_INTERP segment even if we have seen a
1011         --dynamic-linker option.
1012
1013 2011-06-18  Ian Lance Taylor  <iant@google.com>
1014
1015         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1016         merely because a non-PT_LOAD segment has a dynamic reloc.
1017
1018 2011-06-18  Ian Lance Taylor  <iant@google.com>
1019
1020         * layout.cc (Layout::finish_dynamic_section): Don't create
1021         DT_FLAGS entry if not needed.
1022
1023 2011-06-18  Ian Lance Taylor  <iant@google.com>
1024
1025         PR gold/12745
1026         * layout.cc (Layout::layout_eh_frame): Correct handling of
1027         writable .eh_frame section.
1028
1029 2011-06-17  Ian Lance Taylor  <iant@google.com>
1030
1031         PR gold/12893
1032         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1033         symbol is redefined with the exact same object and value.
1034
1035 2011-06-17  Ian Lance Taylor  <iant@google.com>
1036
1037         PR gold/12880
1038         * layout.h (class Layout): Add interp_segment_ field.
1039         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1040         (Layout::attach_allocated_section_to_segment): If making shared
1041         library, put .interp section in PT_INTERP segment.
1042         (Layout::finalize): Also call create_interp if -dynamic-linker
1043         option was used.
1044         (Layout::create_interp): Assert that there is no PT_INTERP
1045         segment.  If not using a SECTIONS clause, use make_output_section.
1046         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1047         * script-sections.cc
1048         (Script_sections::create_note_and_tls_segments): If making shared
1049         library, put .interp section in PT_INTERP segment.
1050
1051 2011-06-17  Ian Lance Taylor  <iant@google.com>
1052
1053         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1054         when making a shared library.
1055
1056 2011-06-17  Ian Lance Taylor  <iant@google.com>
1057
1058         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1059         parameter.  Change all callers.  Don't issue warning about PC32
1060         against locally defined symbol.
1061
1062 2011-06-16  Ian Lance Taylor  <iant@google.com>
1063
1064         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1065         occurs in same object.
1066
1067 2011-06-14  Alan Modra  <amodra@gmail.com>
1068
1069         * po/POTFILES.in: Regenerate.
1070
1071 2011-06-09  Ian Lance Taylor  <iant@google.com>
1072
1073         * script-sections.cc
1074         (Orphan_output_section::set_section_addresses): For a relocatable
1075         link set address to 0.
1076
1077 2011-06-09  Cary Coutant  <ccoutant@google.com>
1078
1079         PR gold/12804
1080         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1081         used with --compress-debug-sections.
1082         * gold/object.cc (Sized_relobj_file::do_layout): Report
1083         uncompressed size of compressed input sections.
1084
1085 2011-06-08  Cary Coutant  <ccoutant@google.com>
1086
1087         PR gold/12804
1088         * testsuite/two_file_test_2_v1.cc: Change initialization of
1089         v2 to keep it in .data.
1090
1091 2011-06-07  Cary Coutant  <ccoutant@google.com>
1092
1093         * common.cc (Symbol_table::do_allocate_commons_list): Call
1094         gold_fallback.
1095         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1096         (Errors::fallback): New function.
1097         (gold_fallback): New function.
1098         * errors.h (Errors::fallback): New function.
1099         * gold.cc (gold_exit): Change status parameter to enum; adjust
1100         all callers.
1101         (queue_initial_tasks): Call gold_fallback.
1102         * gold.h: Include cstdlib.
1103         (Exit_status): New enum type.
1104         (gold_exit): Change status parameter to enum.
1105         (gold_fallback): New function.
1106         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1107         (Layout::create_symtab_sections): Likewise.
1108         (Layout::create_shdrs): Likewise.
1109         * main.cc (main): Adjust call to gold_exit.
1110         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1111         (Output_data_got::add_got_entry_pair): Likewise.
1112         (Output_section::add_input_section): Likewise.
1113         (Output_section::add_output_section_data): Likewise.
1114         (Output_segment::set_section_list_addresses): Likewise.
1115         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1116
1117 2011-06-07  Cary Coutant  <ccoutant@google.com>
1118
1119         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1120         for incremental links.
1121         * output.cc (Output_segment::set_section_list_addresses): Remove
1122         FIXME and test for TLS or BSS.
1123
1124 2011-06-07  Cary Coutant  <ccoutant@google.com>
1125
1126         * testsuite/Makefile.am: Add incremental_copy_test,
1127         incremental_common_test_1.
1128         * testsuite/Makefile.in: Regenerate.
1129         * testsuite/common_test_1_v1.c: New source file.
1130         * testsuite/common_test_1_v2.c: New source file.
1131         * testsuite/copy_test_v1.cc: New source file.
1132
1133 2011-06-07  Cary Coutant  <ccoutant@google.com>
1134
1135         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1136         update, allocate common from bss section's free list.
1137         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1138         linker-defined symbols.
1139         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1140         Skip GOT and PLT entries that are no longer referenced.
1141         (Output_section_incremental_inputs::write_info_blocks): Mark
1142         linker-defined symbols.
1143         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1144         * output.cc (Output_section::allocate): New function.
1145         * output.h (Output_section::allocate): New function.
1146         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1147         linker-defined symbols.
1148         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1149         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1150         (Symbol::init_base_output_data): Likewise.
1151         (Symbol::init_base_output_segment): Likewise.
1152         (Symbol::init_base_constant): Likewise.
1153         (Sized_symbol::init_output_data): Likewise.
1154         (Sized_symbol::init_output_segment): Likewise.
1155         (Sized_symbol::init_constant): Likewise.
1156         (Symbol_table::do_define_in_output_data): Likewise.
1157         (Symbol_table::do_define_in_output_segment): Likewise.
1158         (Symbol_table::do_define_as_constant): Likewise.
1159         * symtab.h (Symbol::is_predefined): New function.
1160         (Symbol::init_base_output_data): Add is_predefined parameter.
1161         (Symbol::init_base_output_segment): Likewise.
1162         (Symbol::init_base_constant): Likewise.
1163         (Symbol::is_predefined_): New data member.
1164         (Sized_symbol::init_output_data): Add is_predefined parameter.
1165         (Sized_symbol::init_output_segment): Likewise.
1166         (Sized_symbol::init_constant): Likewise.
1167         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1168
1169 2011-06-07  Cary Coutant  <ccoutant@google.com>
1170
1171         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1172         instead of emit_copy_reloc.
1173         (Copy_relocs::emit_copy_reloc): Refactor.
1174         (Copy_relocs::make_copy_reloc): New function.
1175         (Copy_relocs::add_copy_reloc): Remove.
1176         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1177         section.
1178         (Copy_relocs::make_copy_reloc): New function.
1179         (Copy_relocs::add_copy_reloc): Remove.
1180         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1181         unchanged input files.
1182         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1183         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1184         Reserve BSS space for COPY relocations.
1185         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1186         (Output_section_incremental_inputs::write_info_blocks): Record
1187         whether a symbol is copied from a shared object.
1188         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1189         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1190         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1191         (Incremental_input_entry_reader::get_output_symbol_index): Add
1192         is_copy parameter.
1193         (Incremental_binary::emit_copy_relocs): New function.
1194         (Incremental_binary::do_emit_copy_relocs): New function.
1195         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1196         new data member.
1197         (Sized_incremental_binary::add_copy_reloc): New function.
1198         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1199         (Sized_incremental_binary::Copy_reloc): New struct.
1200         (Sized_incremental_binary::Copy_relocs): New typedef.
1201         (Sized_incremental_binary::copy_relocs_): New data member.
1202         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1203         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1204         * target.h (Sized_target::emit_copy_reloc): New function.
1205         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1206
1207 2011-06-02  Cary Coutant  <ccoutant@google.com>
1208
1209         PR gold/12163
1210         * gold/archive.cc (Archive::Archive): Initialize new data member.
1211         (Archive::include_all_members): Return if archive has already been
1212         included.
1213         * gold/archive.h (Archive::include_all_members_): New data member.
1214
1215 2011-06-02  Nick Clifton  <nickc@redhat.com>
1216
1217         * dynobj.h: Fix spelling mistake in comment.
1218         * output.cc: Likewise.
1219
1220 2011-05-31  Doug Kwan  <dougkwan@google.com>
1221             Asier Llano
1222
1223         PR gold/12826
1224         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1225         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1226         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1227         redundant arm_exidx_test.so.
1228         * testsuite/Makefile.in: Regenerate.
1229         (check_SCRIPTS): Add pr12826.sh
1230         (check_DATA): Add pr12826.stdout
1231         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1232         * testsuite/pr12826.sh: New file.
1233         * testsuite/pr12826_1.s: Ditto.
1234         * testsuite/pr12826_1.s: Ditto.
1235
1236 2011-05-30  Ian Lance Taylor  <iant@google.com>
1237
1238         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1239         sections.
1240
1241 2011-05-29  Ian Lance Taylor  <iant@google.com>
1242
1243         PR gold/12804
1244         * testsuite/Makefile.am: Use different file name for two_file_test
1245         temporary file for each incremental test.
1246         * testsuite/Makefile.in: Rebuild.
1247
1248 2011-05-29  Ian Lance Taylor  <iant@google.com>
1249
1250         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1251         binary input file is empty.
1252
1253 2011-05-27  Ian Lance Taylor  <iant@google.com>
1254
1255         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1256         (ver_test_9.so): Likewise.
1257         * testsuite/Makefile.in: Rebuild.
1258
1259 2011-05-26 Cary Coutant  <ccoutant@google.com>
1260
1261         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1262         * incremental.cc (Incremental_inputs::report_input_section): Fix
1263         comment, indentation.
1264         (Incremental_inputs::report_comdat_group): New function.
1265         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1266         of data for incremental input file entry.
1267         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1268         group count, COMDAT group signatures.
1269         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1270         an unchanged input file.
1271         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1272         Initialize new data member.
1273         (Incremental_object_entry::add_comdat_group): New function.
1274         (Incremental_object_entry::get_comdat_group_count): New function.
1275         (Incremental_object_entry::get_comdat_signature_key): New function.
1276         (Incremental_object_entry::groups_): New data member.
1277         (Incremental_inputs::report_comdat_group): New function.
1278         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1279         data for incremental input file entry.
1280         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1281         (Incremental_input_entry_reader::get_input_section): Adjust size of
1282         data for incremental input file entry.
1283         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1284         (Incremental_input_entry_reader::get_comdat_group_signature): New
1285         function.
1286         * object.cc (Sized_relobj::include_section_group): Report kept
1287         COMDAT groups for incremental links.
1288
1289 2011-05-24  David Meyer  <pdox@google.com>
1290
1291         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1292         with name parameter.  Add found_name parameter.
1293         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1294         * dirsearch.h (class Dirsearch): Update declaration.
1295
1296 2011-05-24  Ian Lance Taylor  <iant@google.com>
1297
1298         * archive.cc (Library_base::should_include_member): Pull in object
1299         from archive if it defines the entry symbol.
1300         * parameters.cc (Parameters::entry): New function.
1301         * parameters.h (class Parameters): Declare entry.
1302         * output.h (class Output_file_header): Remove entry_ field.
1303         * output.cc (Output_file_header::Output_file_header): Remove entry
1304         parameter.  Change all callers.
1305         (Output_file_header::entry): Use parameters->entry.
1306         * gold.cc (queue_middle_tasks): Likewise.
1307         * plugin.cc (Plugin_hook::run): Likewise.
1308
1309 2011-05-24 Cary Coutant  <ccoutant@google.com>
1310
1311         * gold.cc (queue_initial_tasks): Pass incremental base filename
1312         to Output_file::open_base_file; don't print error message.
1313         * incremental-dump.cc (main): Adjust call to
1314         Output_file::open_for_modification.
1315         * incremental-dump.cc (main): Likewise.
1316         * incremental.cc (Incremental_inputs::report_command_line):
1317         Ignore --incremental-base option when comparing command lines.
1318         Ignore parameter when given as separate argument.
1319         * options.h (class General_options): Add --incremental-base.
1320         * output.cc (Output_file::Output_file):
1321         (Output_file::open_base_file): Add base_name and writable parameters;
1322         read base file into new file; print error message here.
1323         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1324         callers.
1325         * output.h (Output_file::open_for_modification): Rename to...
1326         (Output_file::open_base_file): ...this; add base_name and
1327         writable parameters; adjust all callers.
1328         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1329         callers.
1330         * testsuite/Makefile.am (incremental_test_4): Test
1331         --incremental-base.
1332         * testsuite/Makefile.in: Regenerate.
1333
1334 2011-05-24 Cary Coutant  <ccoutant@google.com>
1335
1336         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1337         incremental_test_4.
1338         * testsuite/Makefile.in: Regenerate.
1339         * testsuite/two_file_test_1_v1.cc: New test source file.
1340         * testsuite/two_file_test_1b_v1.cc: New test source file.
1341         * testsuite/two_file_test_2_v1.cc: New test source file.
1342
1343 2011-05-24 Cary Coutant  <ccoutant@google.com>
1344
1345         * dynobj.h (Dynobj::do_dynobj): New function.
1346         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1347         flag and soname for shared objects.
1348         * incremental.cc (Incremental_inputs::report_object): Make
1349         either Incremental_object_entry or Incremental_dynobj_entry; add
1350         soname to string table.
1351         (Incremental_inputs::report_input_section): Add assertion.
1352         (Output_section_incremental_inputs::set_final_data_size): Adjust
1353         type of input file entry for shared libraries; adjust size of
1354         shared library info entry.
1355         (Output_section_incremental_inputs::write_input_files): Write
1356         as_needed flag for shared libraries.
1357         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1358         of input file entry for shared libraries; write soname.
1359         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1360         soname from incremental info.
1361         * incremental.h (enum Incremental_input_flags): Add
1362         INCREMENTAL_INPUT_AS_NEEDED.
1363         (Incremental_input_entry::Incremental_input_entry): Initialize new
1364         data member.
1365         (Incremental_input_entry::set_as_needed): New function.
1366         (Incremental_input_entry::as_needed): New function.
1367         (Incremental_input_entry::do_dynobj_entry): New function.
1368         (Incremental_input_entry::as_needed_): New data member.
1369         (Incremental_object_entry::Incremental_object_entry): Don't check
1370         for shared library.
1371         (Incremental_object_entry::do_type): Likewise.
1372         (class Incremental_dynobj_entry): New class.
1373         (Incremental_input_entry_reader::as_needed): New function.
1374         (Incremental_input_entry_reader::get_soname): New function.
1375         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1376         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1377         size of shared library info entry.
1378         * layout.cc (Layout::finish_dynamic_section): Don't test for
1379         incremental link when adding DT_NEEDED entries.
1380         * object.h (Object::Object): Initialize new data member.
1381         (Object::dynobj): New function.
1382         (Object::set_as_needed): New function.
1383         (Object::as_needed): New function.
1384         (Object::do_dynobj): New function.
1385         (Object::as_needed_): New data member.
1386
1387 2011-05-24 Cary Coutant  <ccoutant@google.com>
1388
1389         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1390         info; adjust display of GOT entries.
1391         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1392         vector of input objects; remove file_status_.
1393         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1394         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1395         got_plt reader; call target hooks to reserve GOT entries.
1396         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1397         of input file info header and GOT info entry.
1398         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1399         relocation info.
1400         (Got_plt_view_info::got_descriptor): Remove.
1401         (Got_plt_view_info::sym_index): New data member.
1402         (Got_plt_view_info::input_index): New data member.
1403         (Local_got_offset_visitor::visit): Write input file index.
1404         (Global_got_offset_visitor::visit): Write 0 for input file index.
1405         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1406         with sym_index and input_index.
1407         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1408         incremental info GOT entry; replace got_descriptor with input_index.
1409         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1410         map from input file index to object.
1411         (Sized_relobj_incr::do_layout): Replace direct data member reference
1412         with accessor function.
1413         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1414         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1415         Adjust size of input file info header.
1416         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1417         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1418         (Incremental_input_entry_reader::get_input_section): Adjust size of
1419         input file info header.
1420         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1421         of incremental info GOT entry.
1422         (Incremental_got_plt_reader::get_got_desc): Remove.
1423         (Incremental_got_plt_reader::get_got_symndx): New function.
1424         (Incremental_got_plt_reader::get_got_input_index): New function.
1425         (Sized_incremental_binary::Sized_incremental_binary): Remove
1426         file_status_; add input_objects_.
1427         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1428         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1429         (Sized_incremental_binary::file_is_unchanged): Remove.
1430         (Sized_incremental_binary::set_input_object): New function.
1431         (Sized_incremental_binary::input_object): New function.
1432         (Sized_incremental_binary::file_status_): Remove.
1433         (Sized_incremental_binary::input_objects_): New data member.
1434         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1435         references.
1436         (Sized_relobj_incr::invalid_address): Move to base class.
1437         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1438         class.
1439         (Sized_relobj_incr::do_output_section_offset): Likewise.
1440         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1441         (Sized_relobj_incr::section_offsets_): Likewise.
1442         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1443         function.
1444         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1445         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1446         with accessor function.
1447         (Sized_relobj_file::do_layout): Likewise.
1448         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1449         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1450         (Sized_relobj_file::compute_final_local_value): Replace refs to
1451         section_offsets_ with accessor function.
1452         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1453         * object.h (Relobj::Relobj): Initialize new data members.
1454         (Relobj::add_dyn_reloc): New function.
1455         (Relobj::first_dyn_reloc): New function.
1456         (Relobj::dyn_reloc_count): New function.
1457         (Relobj::first_dyn_reloc_): New data member.
1458         (Relobj::dyn_reloc_count_): New data member.
1459         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1460         references.
1461         (Sized_relobj::Address): New typedef.
1462         (Sized_relobj::invalid_address): Move here from child class.
1463         (Sized_relobj::Sized_relobj): Initialize new data members.
1464         (Sized_relobj::sized_relobj): New function.
1465         (Sized_relobj::is_output_section_offset_invalid): Move here from
1466         child class.
1467         (Sized_relobj::get_output_section_offset): Likewise.
1468         (Sized_relobj::local_has_got_offset): Likewise.
1469         (Sized_relobj::local_got_offset): Likewise.
1470         (Sized_relobj::set_local_got_offset): Likewise.
1471         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1472         (Sized_relobj::clear_got_offsets): New function.
1473         (Sized_relobj::section_offsets): Move here from child class.
1474         (Sized_relobj::do_output_section_offset): Likewise.
1475         (Sized_relobj::do_set_section_offset): Likewise.
1476         (Sized_relobj::Local_got_offsets): Likewise.
1477         (Sized_relobj::local_got_offsets_): Likewise.
1478         (Sized_relobj::section_offsets_): Likewise.
1479         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1480         references.
1481         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1482         class.
1483         (Sized_relobj_file::sized_relobj): New function
1484         (Sized_relobj_file::local_has_got_offset): Move to base class.
1485         (Sized_relobj_file::local_got_offset): Likewise.
1486         (Sized_relobj_file::set_local_got_offset): Likewise.
1487         (Sized_relobj_file::get_output_section_offset): Likewise.
1488         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1489         (Sized_relobj_file::do_output_section_offset): Likewise.
1490         (Sized_relobj_file::do_set_section_offset): Likewise.
1491         (Sized_relobj_file::Local_got_offsets): Likewise.
1492         (Sized_relobj_file::local_got_offsets_): Likewise.
1493         (Sized_relobj_file::section_offsets_): Likewise.
1494         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1495         (all constructors).
1496         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1497         (Output_reloc::get_symbol_index): Likewise.
1498         (Output_reloc::local_section_offset): Likewise.
1499         (Output_reloc::get_address): Likewise.
1500         (Output_reloc::symbol_value): Likewise.
1501         (Output_data_got::reserve_slot): Move to class definition.
1502         (Output_data_got::reserve_local): New function.
1503         (Output_data_got::reserve_slot_for_global): Remove.
1504         (Output_data_got::reserve_global): New function.
1505         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1506         (all constructors, two instantiations).
1507         (Output_reloc::get_relobj): New function (two instantiations).
1508         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1509         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1510         (Output_data_reloc::add_global): Adjust type of relobj.
1511         (Output_data_reloc::add_global_relative): Likewise.
1512         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1513         (Output_data_reloc::add_local): Likewise.
1514         (Output_data_reloc::add_local_relative): Likewise.
1515         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1516         (Output_data_reloc::add_local_section): Likewise.
1517         (Output_data_reloc::add_output_section): Likewise.
1518         (Output_data_reloc::add_absolute): Likewise.
1519         (Output_data_reloc::add_target_specific): Likewise.
1520         (Output_data_got::reserve_slot): Move definition here.
1521         (Output_data_got::reserve_local): New function.
1522         (Output_data_got::reserve_global): New function.
1523         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1524         section_offsets_ with accessor function.
1525         (Sized_relobj_file::write_sections): Likewise.
1526         (Sized_relobj_file::do_relocate_sections): Likewise.
1527         * target.h (Sized_target::reserve_local_got_entry): New function.
1528         (Sized_target::reserve_global_got_entry): New function.
1529         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1530         (Target_x86_64::reserve_global_got_entry): New function.
1531         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1532
1533 2011-05-23 Cary Coutant  <ccoutant@google.com>
1534
1535         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1536         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1537         bit when checking got_type.
1538         * incremental.cc (Sized_incremental_binary::setup_readers):
1539         Store symbol table and string table locations; initialize bit vector
1540         of file status flags.
1541         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1542         unchanged files.
1543         (Sized_incremental_binary::do_process_got_plt): New function.
1544         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1545         (Output_section_incremental_inputs::set_final_data_size): Record
1546         file index for each input file.
1547         (Output_section_incremental_inputs::write_got_plt): Store file index
1548         instead of input entry offset for each GOT entry.
1549         * incremental.h
1550         (Incremental_input_entry::Incremental_input_entry): Initialize new
1551         data member.
1552         (Incremental_input_entry::set_offset): Store file index.
1553         (Incremental_input_entry::get_file_index): New function.
1554         (Incremental_input_entry::file_index_): New data member.
1555         (Incremental_binary::process_got_plt): New function.
1556         (Incremental_binary::do_process_got_plt): New function.
1557         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1558         data members.
1559         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1560         (Sized_incremental_binary::set_file_is_unchanged): New function.
1561         (Sized_incremental_binary::file_is_unchanged): New function.
1562         (Sized_incremental_binary::do_process_got_plt): New function.
1563         (Sized_incremental_binary::file_status_): New data member.
1564         (Sized_incremental_binary::main_symtab_loc_): New data member.
1565         (Sized_incremental_binary::main_strtab_loc_): New data member.
1566         * output.cc (Output_data_got::Got_entry::write): Add case
1567         RESERVED_CODE.
1568         (Output_data_got::add_global): Call add_got_entry.
1569         (Output_data_got::add_global_plt): Likewise.
1570         (Output_data_got::add_global_with_rel): Likewise.
1571         (Output_data_got::add_global_with_rela): Likewise.
1572         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1573         (Output_data_got::add_global_pair_with_rela): Likewise.
1574         (Output_data_got::add_local): Call add_got_entry.
1575         (Output_data_got::add_local_plt): Likewise.
1576         (Output_data_got::add_local_with_rel): Likewise.
1577         (Output_data_got::add_local_with_rela): Likewise.
1578         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1579         (Output_data_got::add_local_pair_with_rela): Likewise.
1580         (Output_data_got::reserve_slot): New function.
1581         (Output_data_got::reserve_slot_for_global): New function.
1582         (Output_data_got::add_got_entry): New function.
1583         (Output_data_got::add_got_entry_pair): New function.
1584         (Output_section::add_output_section_data): Edit FIXME.
1585         * output.h
1586         (Output_section_data_build::Output_section_data_build): New
1587         constructor with size parameter.
1588         (Output_data_space::Output_data_space): Likewise.
1589         (Output_data_got::Output_data_got): Initialize new data member; new
1590         constructor with size parameter.
1591         (Output_data_got::add_constant): Call add_got_entry.
1592         (Output_data_got::reserve_slot): New function.
1593         (Output_data_got::reserve_slot_for_global): New function.
1594         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1595         (Output_data_got::add_got_entry): New function.
1596         (Output_data_got::add_got_entry_pair): New function.
1597         (Output_data_got::free_list_): New data member.
1598         * target.h (Sized_target::init_got_plt_for_update): New function.
1599         (Sized_target::register_global_plt_entry): New function.
1600         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1601         Initialize new data member; call init; add constructor with PLT count.
1602         (Output_data_plt_x86_64::init): New function.
1603         (Output_data_plt_x86_64::add_relocation): New function.
1604         (Output_data_plt_x86_64::reserve_slot): New function.
1605         (Output_data_plt_x86_64::free_list_): New data member.
1606         (Target_x86_64::init_got_plt_for_update): New function.
1607         (Target_x86_64::register_global_plt_entry): New function.
1608         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1609         incremental updates.
1610         (Output_data_plt_x86_64::add_relocation): New function.
1611         * testsuite/object_unittest.cc (Object_test): Set default options.
1612
1613 2011-05-16  Ian Lance Taylor  <iant@google.com>
1614
1615         * options.h (class General_options): Make -i a synonym for -r.
1616
1617 2011-05-16  Ian Lance Taylor  <iant@google.com>
1618
1619         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1620
1621 2011-05-10 Cary Coutant  <ccoutant@google.com>
1622
1623         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1624         strip_all (-s).
1625
1626 2011-05-06  Ian Lance Taylor  <iant@google.com>
1627
1628         * layout.cc (Layout::layout): If the output section flags change,
1629         update the ordering.
1630
1631 2011-04-25 Cary Coutant  <ccoutant@google.com>
1632
1633         * incremental-dump.cc (dump_incremental_inputs): Print local
1634         symbol info for each input file.
1635         * incremental.cc
1636         (Output_section_incremental_inputs::set_final_data_size): Add local
1637         symbol info to input file entries in incremental info.
1638         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1639         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1640         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1641         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1642         implementation.
1643         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1644         (Sized_incr_relobj::do_relocate): Write the local symbols.
1645         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1646         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1647         Adjust size of input file header.
1648         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1649         (Incremental_inputs_reader::get_local_symbol_count): New function.
1650         (Incremental_inputs_reader::get_input_section): Adjust size of input
1651         file header.
1652         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1653         (Sized_incr_relobj::This): New typedef.
1654         (Sized_incr_relobj::sym_size): New const data member.
1655         (Sized_incr_relobj::Local_symbol): New struct.
1656         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1657         (Sized_incr_relobj::do_local_symbol_offset): New function.
1658         (Sized_incr_relobj::local_symbol_count_): New data member.
1659         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1660         (Sized_incr_relobj::local_symbol_index_): New data member.
1661         (Sized_incr_relobj::local_symbol_offset_): New data member.
1662         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1663         (Sized_incr_relobj::local_symbols_): New data member.
1664         * object.h (Relobj::output_local_symbol_count): New function.
1665         (Relobj::local_symbol_offset): New function.
1666         (Relobj::do_output_local_symbol_count): New function.
1667         (Relobj::do_local_symbol_offset): New function.
1668         (Sized_relobj::do_output_local_symbol_count): New function.
1669         (Sized_relobj::do_local_symbol_offset): New function.
1670
1671 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1672
1673         * descriptors.cc (set_close_on_exec): New function.
1674         (Descriptors::open): Use set_close_on_exec.
1675         * output.cc (S_ISLNK): Define if not defined.
1676
1677 2011-04-22 Cary Coutant  <ccoutant@google.com>
1678
1679         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1680         global symbol map.
1681         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1682         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1683         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1684         relocations.
1685         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1686         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1687         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1688         * incremental.h
1689         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1690         function.
1691         (Incremental_binary::apply_incremental_relocs): New function.
1692         (Incremental_binary::do_apply_incremental_relocs): New function.
1693         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1694         data member.
1695         (Sized_incremental_binary::add_global_symbol): New function.
1696         (Sized_incremental_binary::global_symbol): New function.
1697         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1698         (Sized_incremental_binary::symbol_map_): New data member.
1699         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1700         * target.h (Sized_target::apply_relocation): New function.
1701         * target-reloc.h (apply_relocation): New function.
1702         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1703
1704 2011-04-22  Doug Kwan  <dougkwan@google.com>
1705
1706         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1707         flag of a SHT_ARM_EXIDX section.
1708         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1709         * testsuite/Makefile.in: Regenerate.
1710         * testsuite/arm_exidx_test.s: New file.
1711         * testsuite/arm_exidx_test.sh: Same.
1712
1713 2011-04-20 Cary Coutant  <ccoutant@google.com>
1714
1715         PR gold/12689
1716         * archive.h (Incremental_archive_entry::Archive_member):
1717         Initialize arg_serial_ (second constructor).
1718
1719 2011-04-17  Ian Lance Taylor  <iant@google.com>
1720
1721         * object.cc (Relocate_info::location): Simplify location string.
1722         * errors.cc (Errors::error_at_location): Don't print program
1723         name.
1724         (Errors::warning_at_location): Likewise.
1725         (Errors::undefined_symbol): Likewise.
1726         * testsuite/debug_msg.sh: Update accordingly.
1727
1728 2011-04-14 Cary Coutant  <ccoutant@google.com>
1729
1730         * gold/layout.cc (Layout::symtab_section_offset): New function.
1731         * gold/layout.h (Layout::symtab_section_offset): New function.
1732         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1733
1734 2011-04-12  Ian Lance Taylor  <iant@google.com>
1735
1736         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1737         with MREMAP_MAYMOVE.
1738         * output.h (class Output_file): Add map_is_allocated_ field.
1739         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1740         not available, provide stubs.  If mremap is not available, #define
1741         it to gold_mremap.
1742         (MREMAP_MAYMOVE): Define if not defined.
1743         (Output_file::Output_file): Initialize map_is_allocated_.
1744         (Output_file::resize): Check map_is_allocated_.
1745         (Output_file::map_anonymous): If mmap fails, use malloc.
1746         (Output_file::unmap): Don't do anything for an anonymous map.
1747         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1748         is not available, provide stubs.
1749         (File_read::View::~View): Use free rather than delete[].
1750         (File_read::make_view): Use malloc rather than new[].  If mmap
1751         fails, use malloc.
1752         (File_read::find_or_make_view): Use malloc rather than new[].
1753         * gold.h: Remove HAVE_REMAP code.
1754         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1755         exists.  Rename mremap to gold_mremap.  If mmap is not available
1756         don't do anything.
1757         * configure, config.in: Rebuild.
1758
1759 2011-04-11  Ian Lance Taylor  <iant@google.com>
1760
1761         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1762         initialize local variable v.
1763
1764 2011-04-11  Cary Coutant  <ccoutant@google.com>
1765
1766         * archive.cc (Archive::include_member): Adjust call to
1767         report_object.
1768         (Add_archive_symbols::run): Track argument serial numbers.
1769         (Lib_group::include_member): Likewise.
1770         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1771         * archive.h (Incremental_archive_entry::Archive_member):
1772         Initialize arg_serial_.
1773         (Archive_member::arg_serial_): New data member.
1774         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1775         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1776         incremental link.
1777         (Sized_dynobj::do_for_all_local_got_entries): New function.
1778         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1779         function.
1780         * fileread.cc (get_mtime): New function.
1781         * fileread.h (get_mtime): New function.
1782         * gold.cc (queue_initial_tasks): Check for incremental update.
1783         (process_incremental_input): New function.
1784         (queue_middle_tasks): Don't force valid target for incremental
1785         update.
1786         * incremental-dump.cc (find_input_containing_global): Adjust
1787         size of symbol info entry.
1788         (dump_incremental_inputs): Dump argument serial number and
1789         in_system_directory flag; bias shndx by 1; print symbol names
1790         when dumping per-file symbol lists; use new symbol info readers.
1791         * incremental.cc
1792         (Output_section_incremental_inputs:update_data_size): New function.
1793         (Sized_incremental_binary::setup_readers): Setup input readers
1794         for each input file; build maps for files added from libraries
1795         and scripts.
1796         (Sized_incremental_binary::check_input_args): New function.
1797         (Sized_incremental_binary::do_check_inputs): Build map of argument
1798         serial numbers to input arguments.
1799         (Sized_incremental_binary::do_file_has_changed): Rename
1800         do_file_is_unchanged to this; compare file modification times.
1801         (Sized_incremental_binary::do_init_layout): New function.
1802         (Sized_incremental_binary::do_reserve_layout): New function.
1803         (Sized_incremental_binary::do_get_input_reader): Remove.
1804         (Sized_incremental_binary::get_symtab_view): New function.
1805         (Incremental_checker::can_incrementally_link_output_file): Remove.
1806         (Incremental_inputs::report_command_line): Exclude --debug options.
1807         (Incremental_inputs::report_archive_begin): Add parameter; track
1808         argument serial numbers; don't put input file entry for archive
1809         before archive members.
1810         (Incremental_inputs::report_archive_end): Put input file entry
1811         for archive after archive members.
1812         (Incremental_inputs::report_object): Add parameter; track argument
1813         serial numbers and in_system_directory flag.
1814         (Incremental_inputs::report_script): Add parameter; track argument
1815         serial numbers.
1816         (Output_section_incremental_inputs::set_final_data_size): Adjust
1817         size of symbol info entry; check for forwarding symbols.
1818         (Output_section_incremental_inputs::write_input_files): Write
1819         in_system_directory flag and argument serial number.
1820         (Output_section_incremental_inputs::write_info_blocks): Map section
1821         indices between incremental info and original input file; store
1822         input section index for each symbol.
1823         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1824         change operator() to visit().
1825         (class Global_got_offset_visitor): Likewise.
1826         (class Global_symbol_visitor_got_plt):
1827         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1828         classes.
1829         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1830         (Sized_incr_relobj::do_read_symbols): New function.
1831         (Sized_incr_relobj::do_layout): New function.
1832         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1833         (Sized_incr_relobj::do_add_symbols): New function.
1834         (Sized_incr_relobj::do_should_include_member): New function.
1835         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1836         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1837         (Sized_incr_relobj::do_section_size): New function.
1838         (Sized_incr_relobj::do_section_name): New function.
1839         (Sized_incr_relobj::do_section_contents): New function.
1840         (Sized_incr_relobj::do_section_flags): New function.
1841         (Sized_incr_relobj::do_section_entsize): New function.
1842         (Sized_incr_relobj::do_section_address): New function.
1843         (Sized_incr_relobj::do_section_type): New function.
1844         (Sized_incr_relobj::do_section_link): New function.
1845         (Sized_incr_relobj::do_section_info): New function.
1846         (Sized_incr_relobj::do_section_addralign): New function.
1847         (Sized_incr_relobj::do_initialize_xindex): New function.
1848         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1849         (Sized_incr_relobj::do_read_relocs): New function.
1850         (Sized_incr_relobj::do_gc_process_relocs): New function.
1851         (Sized_incr_relobj::do_scan_relocs): New function.
1852         (Sized_incr_relobj::do_count_local_symbols): New function.
1853         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1854         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1855         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1856         (Sized_incr_relobj::do_relocate): New function.
1857         (Sized_incr_relobj::do_set_section_offset): New function.
1858         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1859         (Sized_incr_dynobj::do_read_symbols): New function.
1860         (Sized_incr_dynobj::do_layout): New function.
1861         (Sized_incr_dynobj::do_add_symbols): New function.
1862         (Sized_incr_dynobj::do_should_include_member): New function.
1863         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1864         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1865         (Sized_incr_dynobj::do_section_size): New function.
1866         (Sized_incr_dynobj::do_section_name): New function.
1867         (Sized_incr_dynobj::do_section_contents): New function.
1868         (Sized_incr_dynobj::do_section_flags): New function.
1869         (Sized_incr_dynobj::do_section_entsize): New function.
1870         (Sized_incr_dynobj::do_section_address): New function.
1871         (Sized_incr_dynobj::do_section_type): New function.
1872         (Sized_incr_dynobj::do_section_link): New function.
1873         (Sized_incr_dynobj::do_section_info): New function.
1874         (Sized_incr_dynobj::do_section_addralign): New function.
1875         (Sized_incr_dynobj::do_initialize_xindex): New function.
1876         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1877         (make_sized_incremental_object): New function.
1878         (Incremental_library::copy_unused_symbols): New function.
1879         (Incremental_library::do_for_all_unused_symbols): New function.
1880         * incremental.h (enum Incremental_input_flags): New type.
1881         (class Incremental_checker): Remove.
1882         (Incremental_input_entry::Incremental_input_entry): Add argument
1883         serial number.
1884         (Incremental_input_entry::arg_serial): New function.
1885         (Incremental_input_entry::set_is_in_system_directory): New function.
1886         (Incremental_input_entry::is_in_system_directory): New function.
1887         (Incremental_input_entry::arg_serial_): New data member.
1888         (Incremental_input_entry::is_in_system_directory_): New data member.
1889         (class Script_info): Move here from script.h.
1890         (Script_info::Script_info): Add filename parameter.
1891         (Script_info::filename): New function.
1892         (Script_info::filename_): New data member.
1893         (Incremental_script_entry::Incremental_script_entry): Add argument
1894         serial number.
1895         (Incremental_object_entry::Incremental_object_entry): Likewise.
1896         (Incremental_object_entry::add_input_section): Build list of input
1897         sections with map to original shndx.
1898         (Incremental_object_entry::get_input_section_index): New function.
1899         (Incremental_object_entry::shndx_): New data member.
1900         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1901         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1902         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1903         serial number.
1904         (Incremental_inputs::report_archive_begin): Likewise.
1905         (Incremental_inputs::report_object): Likewise.
1906         (Incremental_inputs::report_script): Likewise.
1907         (class Incremental_global_symbol_reader): New class.
1908         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1909         and store flags and input file type.
1910         (Incremental_input_entry_reader::arg_serial): New function.
1911         (Incremental_input_entry_reader::type): Extract type from flags.
1912         (Incremental_input_entry_reader::is_in_system_directory): New function.
1913         (Incremental_input_entry_reader::get_input_section_count): Call
1914         accessor function for type.
1915         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1916         function for type; adjust size of global symbol entry.
1917         (Incremental_input_entry_reader::get_global_symbol_count): Call
1918         accessor function for type.
1919         (Incremental_input_entry_reader::get_object_count): Likewise.
1920         (Incremental_input_entry_reader::get_object_offset): Likewise.
1921         (Incremental_input_entry_reader::get_member_count): Likewise.
1922         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1923         (Incremental_input_entry_reader::get_member_offset): Likewise.
1924         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1925         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1926         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1927         (Incremental_input_entry_reader::get_global_symbol_reader): New
1928         function.
1929         (Incremental_input_entry_reader::get_output_symbol_index): New
1930         function.
1931         (Incremental_input_entry_reader::type_): Remove.
1932         (Incremental_input_entry_reader::flags_): New data member.
1933         (Incremental_inputs_reader::input_file_offset): New function.
1934         (Incremental_inputs_reader::input_file_index): New function.
1935         (Incremental_inputs_reader::input_file): Call input_file_offset.
1936         (Incremental_inputs_reader::input_file_at_offset): New function.
1937         (Incremental_relocs_reader::get_r_type): Reformat.
1938         (Incremental_relocs_reader::get_r_shndx): Reformat.
1939         (Incremental_relocs_reader::get_r_offset): Reformat.
1940         (Incremental_relocs_reader::data): New function.
1941         (Incremental_binary::Incremental_binary): Initialize new data members.
1942         (Incremental_binary::check_inputs): Add cmdline parameter.
1943         (Incremental_binary::file_is_unchanged): Remove.
1944         (Input_reader::arg_serial): New function.
1945         (Input_reader::get_unused_symbol_count): New function.
1946         (Input_reader::get_unused_symbol): New function.
1947         (Input_reader::do_arg_serial): New function.
1948         (Input_reader::do_get_unused_symbol_count): New function.
1949         (Input_reader::do_get_unused_symbol): New function.
1950         (Incremental_binary::input_file_count): New function.
1951         (Incremental_binary::get_input_reader): Change signature to use
1952         index instead of filename.
1953         (Incremental_binary::file_has_changed): New function.
1954         (Incremental_binary::get_input_argument): New function.
1955         (Incremental_binary::get_library): New function.
1956         (Incremental_binary::get_script_info): New function.
1957         (Incremental_binary::init_layout): New function.
1958         (Incremental_binary::reserve_layout): New function.
1959         (Incremental_binary::output_file): New function.
1960         (Incremental_binary::do_check_inputs): New function.
1961         (Incremental_binary::do_file_is_unchanged): Remove.
1962         (Incremental_binary::do_file_has_changed): New function.
1963         (Incremental_binary::do_init_layout): New function.
1964         (Incremental_binary::do_reserve_layout): New function.
1965         (Incremental_binary::do_input_file_count): New function.
1966         (Incremental_binary::do_get_input_reader): Change signature.
1967         (Incremental_binary::input_args_map_): New data member.
1968         (Incremental_binary::library_map_): New data member.
1969         (Incremental_binary::script_map_): New data member.
1970         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1971         new data members.
1972         (Sized_incremental_binary::output_section): New function.
1973         (Sized_incremental_binary::inputs_reader): Add const.
1974         (Sized_incremental_binary::symtab_reader): Add const.
1975         (Sized_incremental_binary::relocs_reader): Add const.
1976         (Sized_incremental_binary::got_plt_reader): Add const.
1977         (Sized_incremental_binary::get_symtab_view): New function.
1978         (Sized_incremental_binary::Inputs_reader): New typedef.
1979         (Sized_incremental_binary::Input_entry_reader): New typedef.
1980         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1981         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1982         (Sized_incremental_binary::do_file_has_changed): New function.
1983         (Sized_incremental_binary::do_init_layout): New function.
1984         (Sized_incremental_binary::do_reserve_layout): New function.
1985         (Sized_input_reader::Inputs_reader): Remove.
1986         (Sized_input_reader::Input_entry_reader): Remove.
1987         (Sized_input_reader::do_arg_serial): New function.
1988         (Sized_input_reader::do_get_unused_symbol_count): New function.
1989         (Sized_input_reader::do_get_unused_symbol): New function.
1990         (Sized_incremental_binary::do_input_file_count): New function.
1991         (Sized_incremental_binary::do_get_input_reader): Change signature;
1992         use index instead of filename.
1993         (Sized_incremental_binary::section_map_): New data member.
1994         (Sized_incremental_binary::input_entry_readers_): New data member.
1995         (class Sized_incr_relobj): New class.
1996         (class Sized_incr_dynobj): New class.
1997         (make_sized_incremental_object): New function.
1998         (class Incremental_library): New class.
1999         * layout.cc (Free_list::num_lists): New static data member.
2000         (Free_list::num_nodes): New static data member.
2001         (Free_list::num_removes): New static data member.
2002         (Free_list::num_remove_visits): New static data member.
2003         (Free_list::num_allocates): New static data member.
2004         (Free_list::num_allocate_visits): New static data member.
2005         (Free_list::init): New function.
2006         (Free_list::remove): New function.
2007         (Free_list::allocate): New function.
2008         (Free_list::dump): New function.
2009         (Free_list::print_stats): New function.
2010         (Layout_task_runner::run): Resize output file for incremental updates.
2011         (Layout::Layout): Initialize new data members.
2012         (Layout::set_incremental_base): New function.
2013         (Layout::init_fixed_output_section): New function.
2014         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2015         incremental updates.
2016         (Layout::create_gold_note): Do not create gold note section for
2017         incremental updates.
2018         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2019         for incremental updates.
2020         (Layout::set_section_offsets): For incremental updates, allocate space
2021         from free list.
2022         (Layout::create_symtab_sections): Layout with offsets relative to
2023         start of section; for incremental updates, allocate space from free
2024         list.
2025         (Layout::create_shdrs): For incremental updates, allocate space from
2026         free list.
2027         (Layout::finish_dynamic_section): For incremental updates, do not
2028         check --as-needed (fixed in subsequent patch).
2029         * layout.h (class Free_list): New class.
2030         (Layout::set_incremental_base): New function.
2031         (Layout::incremental_base): New function.
2032         (Layout::init_fixed_output_section): New function.
2033         (Layout::allocate): New function.
2034         (Layout::incremental_base_): New data member.
2035         (Layout::free_list_): New data member.
2036         * main.cc (main): Print Free_list statistics.
2037         * object.cc (Relobj::finalize_incremental_relocs): Add
2038         clear_counts parameter; clear counts only when clear_counts is set.
2039         (Sized_relobj::Sized_relobj): Initialize new base class.
2040         (Sized_relobj::do_layout): Don't report special sections.
2041         (Sized_relobj::do_for_all_local_got_entries): New function.
2042         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2043         symtab_off to all symbol table offsets.
2044         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2045         * object.h (class Got_offset_list): Move to top of file.
2046         (Object::Object): Allow case where input_file == NULL.
2047         (Object::~Object): Likewise.
2048         (Object::input_file): Assert that input_file != NULL.
2049         (Object::lock): Allow case where input_file == NULL.
2050         (Object::unlock): Likewise.
2051         (Object::is_locked): Likewise.
2052         (Object::token): Likewise.
2053         (Object::release): Likewise.
2054         (Object::is_incremental): New function.
2055         (Object::get_mtime): New function.
2056         (Object::for_all_local_got_entries): New function.
2057         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2058         (Object::set_is_in_system_directory): New function.
2059         (Object::is_in_system_directory): New function.
2060         (Object::do_is_incremental): New function.
2061         (Object::do_get_mtime): New function.
2062         (Object::do_for_all_local_got_entries): New function.
2063         (Object::is_in_system_directory_): New data member.
2064         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2065         (class Sized_relobj_base): New class.
2066         (class Sized_relobj): Derive from Sized_relobj_base.
2067         (class Sized_relobj::Symbols): Redeclare from base class.
2068         (class Sized_relobj::local_got_offset_list): Remove.
2069         (class Sized_relobj::Output_sections): Redeclare from base class.
2070         (class Sized_relobj::do_for_all_local_got_entries): New function.
2071         (class Sized_relobj::write_local_symbols): Add offset parameter.
2072         (class Sized_relobj::local_symbol_offset_): Update comment.
2073         (class Sized_relobj::local_dynsym_offset_): Update comment.
2074         * options.cc (Input_arguments::add_file): Remove const.
2075         * options.h (Input_file_argument::Input_file_argument):
2076         Initialize arg_serial_ (all constructors).
2077         (Input_file_argument::set_arg_serial): New function.
2078         (Input_file_argument::arg_serial): New function.
2079         (Input_file_argument::arg_serial_): New data member.
2080         (Input_arguments::Input_arguments): Initialize file_count_.
2081         (Input_arguments::add_file): Remove const.
2082         (Input_arguments::number_of_input_files): New function.
2083         (Input_arguments::file_count_): New data member.
2084         (Command_line::number_of_input_files): Call
2085         Input_arguments::number_of_input_files.
2086         * output.cc (Output_segment_headers::Output_segment_headers):
2087         Set current size.
2088         (Output_section::Input_section::current_data_size): New function.
2089         (Output_section::Output_section): Initialize new data members.
2090         (Output_section::add_input_section): Don't do merge sections for
2091         an incremental link; allocate space from free list for an
2092         incremental update.
2093         (Output_section::add_output_section_data): Allocate space from
2094         free list for an incremental update.
2095         (Output_section::update_data_size): New function.
2096         (Output_section::set_fixed_layout): New function.
2097         (Output_section::reserve): New function.
2098         (Output_segment::set_section_addresses): Remove const.
2099         (Output_segment::set_section_list_addresses): Remove const; allocate
2100         space from free list for an incremental update.
2101         (Output_segment::set_offset): Adjust size of RELRO segment for an
2102         incremental update.
2103         * output.h (Output_data::current_data_size): Move here from
2104         child classes.
2105         (Output_data::pre_finalize_data_size): New function.
2106         (Output_data::update_data_size): New function.
2107         (Output_section_headers::update_data_size): new function.
2108         (Output_section_data_build::current_data_size): Move to Output_data.
2109         (Output_data_strtab::update_data_size): New function.
2110         (Output_section::current_data_size): Move to Output_data.
2111         (Output_section::set_fixed_layout): New function.
2112         (Output_section::has_fixed_layout): New function.
2113         (Output_section::reserve): New function.
2114         (Output_section::update_data_size): New function.
2115         (Output_section::has_fixed_layout_): New data member.
2116         (Output_section::free_list_): New data member.
2117         (Output_segment::set_section_addresses): Remove const.
2118         (Output_segment::set_section_list_addresses): Remove const.
2119         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2120         New function.
2121         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2122         New function.
2123         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2124         parameter when calling Add_symbols constructor; store argument
2125         serial number for members of a lib group.
2126         (Add_symbols::locks): Allow case where token == NULL.
2127         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2128         (Read_member::~Read_member): New function.
2129         (Read_member::is_runnable): New function.
2130         (Read_member::locks): New function.
2131         (Read_member::run): New function.
2132         (Check_script::~Check_script): New function.
2133         (Check_script::is_runnable): New function.
2134         (Check_script::locks): New function.
2135         (Check_script::run): New function.
2136         (Check_library::~Check_library): New function.
2137         (Check_library::is_runnable): New function.
2138         (Check_library::locks): New function.
2139         (Check_library::run): New function.
2140         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2141         (Add_symbols::library_): New data member.
2142         (class Read_member): New class.
2143         (class Check_script): New class.
2144         (class Check_library): New class.
2145         * reloc.cc (Read_relocs::is_runnable): Allow case where
2146         token == NULL.
2147         (Read_relocs::locks): Likewise.
2148         (Scan_relocs::locks): Likewise.
2149         (Relocate_task::locks): Likewise.
2150         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2151         to clear counters.
2152         (Sized_relobj::incremental_relocs_scan): Fix comment.
2153         (Sized_relobj::do_relocate): Pass output file offset to
2154         write_local_symbols.
2155         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2156         from class declaration.
2157         * script.cc (read_input_script): Allocate Script_info; pass
2158         argument serial number to report_script.
2159         * script.h (class Script_info): Move to incremental.h.
2160         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2161         * symtab.h (Symbol_table::add_from_incrobj): New function.
2162         (Symbol_table::set_file_offset): New function.
2163
2164 2011-04-05  Cary Coutant  <ccoutant@google.com>
2165
2166         * incremental-dump.cc (dump_incremental_inputs): Change signature
2167         to take a Sized_incremental_binary; change caller.  Use readers
2168         in Sized_incremental_binary.
2169         * incremental.cc
2170         (Sized_incremental_binary::find_incremental_inputs_sections):
2171         Rename do_find_incremental_inputs_sections to this.
2172         (Sized_incremental_binary::setup_readers): New function.
2173         (Sized_incremental_binary::do_check_inputs): Check
2174         has_incremental_info_ flag; move setup code to setup_readers;
2175         use input readers.
2176         (Sized_incremental_binary::do_file_is_unchanged): New function.
2177         (Sized_incremental_binary::do_get_input_reader): New function.
2178         * incremental.h (class Incremental_binary): Move to end of file.
2179         (Incremental_binary::file_is_unchanged): New function.
2180         (Incremental_binary::do_file_is_unchanged): New function.
2181         (Incremental_binary::Input_reader): New class.
2182         (Incremental_binary::get_input_reader): New function.
2183         (class Sized_incremental_binary): Move to end of file.
2184         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2185         input section reader classes.
2186         (Sized_incremental_binary::has_incremental_info): New function.
2187         (Sized_incremental_binary::inputs_reader): New function.
2188         (Sized_incremental_binary::symtab_reader): New function.
2189         (Sized_incremental_binary::relocs_reader): New function.
2190         (Sized_incremental_binary::got_plt_reader): New function.
2191         (Sized_incremental_binary::do_file_is_unchanged): New function.
2192         (Sized_incremental_binary::Sized_input_reader): New class.
2193         (Sized_incremental_binary::get_input_reader): New function.
2194         (Sized_incremental_binary::find_incremental_inputs_sections):
2195         Rename do_find_incremental_inputs_sections to this.
2196         (Sized_incremental_binary::setup_readers): New function.
2197         (Sized_incremental_binary::has_incremental_info_): New data member.
2198         (Sized_incremental_binary::inputs_reader_): New data member.
2199         (Sized_incremental_binary::symtab_reader_): New data member.
2200         (Sized_incremental_binary::relocs_reader_): New data member.
2201         (Sized_incremental_binary::got_plt_reader_): New data member.
2202         (Sized_incremental_binary::current_input_file_): New data member.
2203
2204 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2205
2206         PR gold/12640
2207         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2208         violation.
2209
2210 2011-03-30  Cary Coutant  <ccoutant@google.com>
2211
2212         * archive.cc (Archive::include_member): Adjust call to report_object.
2213         (Add_archive_symbols::run): Add script_info to call to
2214         report_archive_begin.
2215         (Lib_group::include_member): Adjust call to report_object.
2216         (Add_lib_group_symbols::run): Adjust call to report_object.
2217         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2218         blocks.  Add object count for script input files.
2219         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2220         script_info parameter; change all callers.
2221         (Incremental_inputs::report_object): Add script_info parameter;
2222         change all callers.
2223         (Incremental_inputs::report_script): Store backpointer to
2224         incremental info entry.
2225         (Output_section_incremental_inputs::set_final_data_size): Record
2226         additional information for scripts.
2227         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2228         * incremental.h (Incremental_script_entry::add_object): New function.
2229         (Incremental_script_entry::get_object_count): New function.
2230         (Incremental_script_entry::get_object): New function.
2231         (Incremental_script_entry::objects_): New data member; adjust
2232         constructor.
2233         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2234         (Incremental_inputs::report_object): Add script_info parameter.
2235         (Incremental_inputs_reader::get_object_count): New function.
2236         (Incremental_inputs_reader::get_object_offset): New function.
2237         * options.cc (Input_arguments::add_file): Return reference to
2238         new input argument.
2239         * options.h (Input_argument::set_script_info): New function.
2240         (Input_argument::script_info): New function.
2241         (Input_argument::script_info_): New data member; adjust all
2242         constructors.
2243         (Input_file_group::add_file): Return reference to new input argument.
2244         (Input_file_lib::add_file): Likewise.
2245         (Input_arguments::add_file): Likewise.
2246         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2247         * script.cc (Parser_closure::Parser_closure): Add script_info
2248         parameter; adjust all callers.
2249         (Parser_closure::script_info): New function.
2250         (Parser_closure::script_info_): New data member.
2251         (read_input_script): Report scripts earlier to incremental info.
2252         (script_add_file): Set script_info in Input_argument.
2253         (script_add_library): Likewise.
2254         * script.h (Script_options::Script_info): Rewrite class.
2255
2256 2011-03-29  Cary Coutant  <ccoutant@google.com>
2257
2258         * archive.cc (Library_base::should_include_member): Move
2259         method here from class Archive.
2260         (Archive::Archive): Initialize base class.
2261         (Archive::should_include_member): Move to base class.
2262         (Archive::do_for_all_unused_symbols): New function.
2263         (Add_archive_symbols::run): Remove redundant access to
2264         incremental_inputs.
2265         (Lib_group::Lib_group): Initialize base class.
2266         (Lib_group::do_filename): New function.
2267         (Lib_group::include_member): Pass pointer to Lib_group to
2268         report_object.
2269         (Lib_group::do_for_all_unused_symbols): New function.
2270         (Add_lib_group_symbols::run): Report archive information for
2271         incremental links.
2272         * archive.h (class Library_base): New base class.
2273         (class Archive): Derive from Library_base.
2274         (Archive::filename): Move to base class.
2275         (Archive::set_incremental_info): Likewise.
2276         (Archive::incremental_info): Likewise.
2277         (Archive::Should_include): Likewise.
2278         (Archive::should_include_member): Likewise.
2279         (Archive::Armap_entry): Remove.
2280         (Archive::Unused_symbol_iterator): Remove.
2281         (Archive::unused_symbols_begin): Remove.
2282         (Archive::unused_symbols_end): Remove.
2283         (Archive::do_filename): New function.
2284         (Archive::do_get_mtime): New function.
2285         (Archive::do_for_all_unused_symbols): New function.
2286         (Archive::task_): Move to base class.
2287         (Archive::incremental_info_): Likewise.
2288         (class Lib_group): Derive from Library_base.
2289         (Lib_group::do_filename): New function.
2290         (Lib_group::do_get_mtime): New function.
2291         (Lib_group::do_for_all_unused_symbols): New function.
2292         (Lib_group::task_): Move to base class.
2293         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2294         function.
2295         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2296         function.
2297         * incremental.cc (Incremental_inputs::report_archive_begin):
2298         Use Library_base; call library's get_mtime; add incremental inputs
2299         entry before members.
2300         (class Unused_symbol_visitor): New class.
2301         (Incremental_inputs::report_archive_end): Use Library_base; use
2302         visitor class to record unused symbols; don't add incremental inputs
2303         entry after members.
2304         (Incremental_inputs::report_object): Use Library_base.
2305         * incremental.h
2306         (Incremental_archive_entry::Incremental_archive_entry): Remove
2307         unused Archive parameter.
2308         (Incremental_inputs::report_archive_begin): Use Library_base.
2309         (Incremental_inputs::report_archive_end): Likewise.
2310         (Incremental_inputs::report_object): Likewise.
2311         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2312         function.
2313         * object.h (Object::for_all_global_symbols): New function.
2314         (Object::do_for_all_global_symbols): New function.
2315         (Sized_relobj::do_for_all_global_symbols): New function.
2316         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2317         function.
2318         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2319         function.
2320
2321 2011-03-27  Ian Lance Taylor  <iant@google.com>
2322
2323         * archive.cc (Archive::interpret_header): Return -1 if something
2324         goes wrong.  Change callers accordingly.
2325
2326 2011-03-25  Cary Coutant  <ccoutant@google.com>
2327
2328         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2329         * testsuite/Makefile.in: Regenerate.
2330
2331 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2332
2333         * plugin.cc (get_view): New.
2334         (Plugin::load): Pass get_view to the plugin.
2335         (Plugin_manager::get_view): New.
2336
2337 2011-03-21  Ian Lance Taylor  <iant@google.com>
2338
2339         * testsuite/final_layout.sh: Rewrite to not use dc.
2340         * testsuite/relro_test.sh: Fail if dc is not present.
2341
2342 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2343
2344         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2345         Change == to -eq.
2346         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2347         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2348         Change == to -eq.
2349         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2350         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2351
2352 2011-03-14  Ian Lance Taylor  <iant@google.com>
2353
2354         * script-sections.cc (Sort_output_sections::script_compare):
2355         Rename from is_before, change return type.
2356         (Sort_output_sections::operator()): Adjust accordingly.
2357
2358 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2359
2360         PR gold/12572
2361         * testsuite/odr_violation2.cc: Add comment to make all error line
2362         numbers double digits.
2363         * testsuite/debug_msg.sh: Adjust expected errors.
2364
2365 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2366
2367         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2368         but mark earlier ones as non-canonical
2369         (offset_to_iterator): Update search target and example
2370         (do_addr2line): Return extra lines in a vector*
2371         (format_file_lineno): Extract from do_addr2line
2372         (one_addr2line): Add vector* out-param
2373         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2374         when a lineno entry appeared last for its instruction
2375         (Dwarf_line_info): Add vector* out-param
2376         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2377         * symtab.cc (Odr_violation_compare): Include the lineno in the
2378         comparison again.
2379         (linenos_from_loc): New. Combine the canonical line for an
2380         address with its other lines.
2381         (True_if_intersect): New. Helper functor to make
2382         std::set_intersection a query.
2383         (detect_odr_violations): Compare sets of lines instead of just
2384         one line for each function. This became less deterministic, but
2385         has fewer false positives.
2386         * symtab.h: Declarations.
2387         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2388         mix an optimized and non-optimized object in the same binary
2389         (odr_violation2.so): Same.
2390         * testsuite/Makefile.in: Regenerate from Makefile.am.
2391         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2392         * testsuite/debug_msg.sh: Update line numbers and add
2393         assertions.
2394         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2395         non-optimized context.
2396         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2397         isn't inlined, and use OdrDerived in an optimized context.
2398         * testsuite/odr_header1.h: Defines OdrDerived, where
2399         optimization will change the
2400         first-instruction-in-the-destructor's file and line number.
2401         * testsuite/odr_header2.h: Defines OdrBase.
2402
2403 2011-03-09  Ian Lance Taylor  <iant@google.com>
2404
2405         * fileread.cc (File_read::clear_views): Don't delete the whole
2406         file view.
2407
2408 2011-03-08  Ian Lance Taylor  <iant@google.com>
2409
2410         PR gold/12525
2411         * fileread.cc: #include <climits>.
2412         (GOLD_IOV_MAX): Define.
2413         (File_read::read_multiple): Limit number of entries by iov_max.
2414         * fileread.h (class File_read): Always set max_readv_entries to
2415         128.
2416
2417 2011-03-07  Ian Lance Taylor  <iant@google.com>
2418
2419         PR gold/12525
2420         * options.h (class General_options): Add -dy and -dn.
2421
2422 2011-03-02  Cary Coutant  <ccoutant@google.com>
2423
2424         * testsuite/script_test_9.t: Add TLS segment.
2425
2426 2011-03-02  Simon Baldwin  <simonb@google.com>
2427
2428         * configure.ac: Add check for gnu_indirect_function support in
2429         the toolchain building binutils.
2430         * configure: Rebuild.
2431
2432 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2433
2434         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2435         plugin only symbols.
2436         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2437         in plugin files as not needed in the symbol table.
2438
2439 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2440
2441         * output.cc (Output_section::add_input_section): Delay fill
2442         generation for section ordering.
2443
2444 2011-02-09  Ian Lance Taylor  <iant@google.com>
2445
2446         PR gold/12316
2447         * object.h (class Sized_relobj): Remove clear_local_symbols.
2448         * reloc.cc (Sized_relobj::do_relocate): Don't call
2449         clear_local_symbols.
2450
2451 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2452
2453         * plugin.cc (is_visible_from_outside): Return true for symbols
2454         in the -u option.
2455
2456 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2457
2458         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2459         filename.
2460
2461 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2462
2463         * icf.h (is_section_foldable_candidate): Change type of parameter
2464         to std::string.
2465         * icf.cc (Icf::find_identical_sections): Change type of local variable
2466         section_name to be std::string.
2467         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2468
2469 2011-01-25  Ian Lance Taylor  <iant@google.com>
2470
2471         * script.cc (script_add_extern): Rewrite to use
2472         add_symbol_reference.
2473
2474 2011-01-25  Doug Kwan  <dougkwan@google.com>
2475
2476         * icf.cc (get_section_contents): Always lock section's object.
2477
2478 2011-01-24  Ian Lance Taylor  <iant@google.com>
2479
2480         * options.h (class General_options): Accept
2481         --no-detect-odr-violations.
2482
2483 2011-01-24  Ian Lance Taylor  <iant@google.com>
2484
2485         * version.cc (version_string): Bump to 1.11.
2486
2487 2011-01-24  Ian Lance Taylor  <iant@google.com>
2488
2489         * plugin.cc (class Plugin_rescan): Define new class.
2490         (Plugin_manager::claim_file): Set any_claimed_.
2491         (Plugin_manager::save_archive): New function.
2492         (Plugin_manager::save_input_group): New function.
2493         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2494         necessary.
2495         (Plugin_manager::new_undefined_symbol): New function.
2496         (Plugin_manager::rescan): New function.
2497         (Plugin_manager::rescannable_defines): New function.
2498         (Plugin_manager::add_input_file): Set any_added_.
2499         * plugin.h (class Plugin_manager): define new fields rescannable_,
2500         undefined_symbols_, any_claimed_, and any_added_.  Declare
2501         Plugin_rescan as friend.  Declare new functions.
2502         (Plugin_manager::Rescannable): Define type.
2503         (Plugin_manager::Rescannable_list): Define type.
2504         (Plugin_manager::Undefined_symbol_list): Define type.
2505         (Plugin_manager::Plugin_manager): Initialize new fields.
2506         * archive.cc (Archive::defines_symbol): New function.
2507         (Add_archive_symbols::run): Pass archive to plugins if any.
2508         * archive.h (class Archive): Declare defines_symbol.
2509         * readsyms.cc (Input_group::~Input_group): New function.
2510         (Finish_group::run): Pass input_group to plugins if any.
2511         * readsyms.h (class Input_group): Declare destructor.
2512         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2513         any.
2514
2515 2011-01-10  Ian Lance Taylor  <iant@google.com>
2516
2517         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2518         section as relro.
2519         (Layout::set_segment_offsets): Reset increase_relro before calling
2520         set_section_addresses a second time.
2521
2522 2011-01-04  Cary Coutant  <ccoutant@google.com>
2523
2524         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2525         sections before NOBITS sections.
2526
2527 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2528
2529         * version.cc (print_version): Update copyright to 2011.
2530
2531 2010-12-23  Cary Coutant  <ccoutant@google.com>
2532
2533         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2534         of OS to this->add.  Add OD parameter to second form of the function.
2535
2536 2010-12-20  Ian Lance Taylor  <iant@google.com>
2537
2538         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2539         second of two consecutive entries with same offset.
2540
2541 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2542
2543         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2544         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2545         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2546         to avoid unneeded links against $(LDADD).
2547         * testsuite/Makefile.in: Regenerate.
2548
2549 2010-12-15  Ian Lance Taylor  <iant@google.com>
2550
2551         PR gold/12324
2552         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2553         for R_X86_64_32 and R_X86_64_PC32.
2554         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2555         ver_matching_def_pic.o.
2556         (ver_matching_def_pic.o): New target.
2557
2558 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2559
2560         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2561         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2562         Move definition before File_read::View member definitions.
2563         (File_read::View::~View): Initialize and hold lock before
2564         updating current_mapped_bytes.
2565
2566 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2567
2568         * dwarf_reader.cc: Remove outdated comment.
2569         * gold-threads.cc: Fix typo in error message.
2570         * archive.cc: Fix typos in comments.
2571         * archive.h: Likewise.
2572         * arm-reloc-property.cc: Likewise.
2573         * arm-reloc-property.h: Likewise.
2574         * arm-reloc.def: Likewise.
2575         * arm.cc: Likewise.
2576         * attributes.h: Likewise.
2577         * cref.cc: Likewise.
2578         * ehframe.cc: Likewise.
2579         * fileread.h: Likewise.
2580         * gold.h: Likewise.
2581         * i386.cc: Likewise.
2582         * icf.cc: Likewise.
2583         * incremental.h: Likewise.
2584         * int_encoding.cc: Likewise.
2585         * layout.h: Likewise.
2586         * main.cc: Likewise.
2587         * merge.h: Likewise.
2588         * object.cc: Likewise.
2589         * object.h: Likewise.
2590         * options.cc: Likewise.
2591         * readsyms.cc: Likewise.
2592         * reduced_debug_output.cc: Likewise.
2593         * reloc.cc: Likewise.
2594         * script-sections.cc: Likewise.
2595         * sparc.cc: Likewise.
2596         * symtab.h: Likewise.
2597         * target-reloc.h: Likewise.
2598         * target.cc: Likewise.
2599         * target.h: Likewise.
2600         * timer.cc: Likewise.
2601         * timer.h: Likewise.
2602         * x86_64.cc: Likewise.
2603
2604 2010-12-09  Cary Coutant  <ccoutant@google.com>
2605
2606         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2607         stack.
2608         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2609         parameter; change all callers.
2610         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2611         * options.h (warn_execstack): New option.
2612
2613 2010-12-07  Doug Kwan  <dougkwan@google.com>
2614
2615         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2616         like function call relocations.
2617
2618 2010-12-07  Ian Lance Taylor  <iant@google.com>
2619
2620         * archive.cc (Archive::get_elf_object_for_member): Permit
2621         punconfigured to be NULL.
2622         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2623         (Archive::include_member): Pass NULL to get_elf_object_for_member
2624         if we searched for the archive and this is the first included
2625         object.
2626
2627 2010-12-01  Ian Lance Taylor  <iant@google.com>
2628
2629         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2630         track_relocs_type_ field.
2631         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2632         Set track_relocs_type_.
2633         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2634         contents when using RELA relocs.
2635         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2636         reloc_map_.
2637         * reloc.cc (Track_relocs::next_addend): New function.
2638         * reloc.h (class Track_relocs): Declare next_addend.
2639
2640 2010-12-01  Ian Lance Taylor  <iant@google.com>
2641
2642         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2643         virtual destructor.
2644
2645 2010-12-01  Ian Lance Taylor  <iant@google.com>
2646
2647         * README: Update compilers known to work and fail.
2648
2649 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2650
2651         * configure.in: For --enable-gold, handle value `default' instead of
2652         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2653         not the default.
2654         * configure: Regenerate.
2655
2656 2010-11-18  Doug Kwan  <dougkwan@google.com>
2657
2658         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2659         and right_alignment to be zero.  Store result alignment only if it is
2660         greater than existing alignment.
2661
2662 2010-11-16  Cary Coutant  <ccoutant@google.com>
2663
2664         PR gold/12220
2665         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2666         Check for ".zdebug_line".
2667
2668 2010-11-16  Doug Kwan  <dougkwan@google.com>
2669             Cary Coutant  <ccoutant@google.com>
2670
2671         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2672         by reference; adjust all callers.
2673         * output.cc (Output_segment::set_section_addresses): Adjust references
2674         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2675         list is empty.
2676         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2677         end at page boundary.
2678
2679 2010-11-16  Cary Coutant  <ccoutant@google.com>
2680
2681         PR gold/12220
2682         * layout.cc (Layout::choose_output_section): Transform names of
2683         compressed sections even when using a script with a SECTIONS clause.
2684         (Layout::output_section_name): Remove code to transform
2685         compressed debug section names.
2686         * output.cc (Output_section::add_input_section): Use uncompressed
2687         section size when tracking input sections.
2688
2689 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2690
2691         * symtab.h (Symbol::NON_PIC_REF): Remove.
2692         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2693         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2694         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2695         (Symbol::use_plt_offset): Take a flags argument and pass it
2696         directly to needs_dynamic_reloc.  Restrict check for undefined
2697         weak symbols to function calls.
2698         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2699         (Target_arm::Scan::global): Use it.
2700         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2701         (Target_arm::Relocate::relocate): Likewise.
2702         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2703         parameter with an r_type parameter.  Use get_reference_flags
2704         to get the flags.
2705         (Target_arm::Relocate::relocate): Update accordingly.
2706         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2707         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2708         (Target_i386::Scan::global): Likewise.
2709         (Target_i386::Relocate::relocate): Likewise.
2710         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2711         parameter with an r_type parameter.  Use get_reference_flags
2712         to get the flags.
2713         (Target_i386::Relocate::relocate): Update accordingly.
2714         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2715         (Target_powerpc::Scan::global): Use it.
2716         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2717         (Target_powerpc::Relocate::relocate): Likewise.
2718         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2719         (Target_sparc::Scan::global): Use it.
2720         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2721         (Target_sparc::Relocate::relocate): Likewise.
2722         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2723         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2724         (Target_x86_64::Scan::global): Likewise.
2725         (Target_x86_64::Relocate::relocate): Likewise.
2726
2727 2010-11-08  Doug Kwan  <dougkwan@google.com>
2728             Cary Coutant  <ccoutant@google.com>
2729
2730         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2731         (Arm_exidx_merge_section::section_contents_): New data member.
2732         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2733         (Arm_input_section::~Arm_input_section): De-allocate memory.
2734         (Arm_input_section::original_contents_): New data member.
2735         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2736         in parameters instead of calling Object::section_contents without
2737         locking.
2738         (Arm_output_section::group_section): New parameter TASK.  Pass it
2739         to callees that need locking objects.
2740         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2741         to lock EXIDX input sections.  Fix a formatting issue.  Call
2742         Arm_exidx_merged_section::build_contents to create merged section
2743         contents.
2744         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2745         to lock object of stub table owner.
2746         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2747         TEXT_SIZE to initialize data member TEXT_SIZE_.
2748         (Arm_exidx_input_section::addralign): Fix typo in comment.
2749         (Arm_exidx_input_section::text_size): New method.
2750         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2751         that require locking objects.  Lock objects before scanning for stubs
2752         and updating local symbols.
2753         (Arm_input_section<big_endian>::init): Copy contents of original
2754         input section.
2755         (Arm_input_section<big_endian>::do_write): Use saved contents of
2756         original input section instead of calling Object::section_contents
2757         without locking.
2758         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2759         size without calling Object::section_size().
2760         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2761         for size.  Allocate a buffer for merged EXIDX entries.
2762         (Arm_exidx_merged_section::build_contents): New method.
2763         (Arm_exidx_merged_section::do_write): Move merge section contents
2764         building code to Arm_exidx_merged_section::build_contetns.  Write
2765         out contetns in buffer instead of building it on the fly.
2766         (Arm_relobj::make_exidx_input_section): Also pass text section size
2767         to Arm_exidx_input_section constructor.
2768         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2769         (Arm_dynobj::do_read_symbols): Fix memory leak.
2770         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2771         * target.h: (class Task): Add forward declaration.
2772         (Target::relax): Add new parameter TASK and pass it to
2773         Target::do_relax().
2774         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2775
2776 2010-11-05  Cary Coutant  <ccoutant@google.com>
2777
2778         PR gold/10708
2779         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2780         object when reading from the file.
2781         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2782         second layout pass.
2783         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2784         when reading section contents.
2785         (get_section_contents): Likewise.
2786         (icf::find_identical_sections): Likewise.
2787         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2788         object when reading from the file.
2789         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2790         the object when doing deferred section layout.
2791
2792 2010-11-03  Nick Clifton  <nickc@redhat.com>
2793
2794         PR gold/12001
2795         * script.h (class Symbol_assignment: name): New member.  Returns
2796         the name of the symbol.
2797         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2798         Returns true if the given symbol name is on the list of
2799         assignments wating to be processed.
2800         * archive.cc (should_incldue_member): If the symbol is undefined,
2801         check to see if it is on the list of symbols pending assignment.
2802
2803 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2804
2805         * script-sections.cc (Script_sections::find_memory_region): Check
2806         for a NULL output section pointer.
2807
2808 2010-10-29  Doug Kwan  <dougkwan@google.com>
2809
2810         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2811         Output_section::add_relaxed_input_section.
2812         * output.cc (Output_section::add_relaxed_input_section): Add new
2813         arguments LAYOUT and NAME.  Set section order index.
2814         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2815         Copy section order index.
2816         * output.h (Output_section::add_relaxed_input_section): Add new
2817         arguments LAYOUT and NAME.
2818
2819 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2820
2821         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2822         NATIVE_OR_CROSS_LINKER.
2823         * testsuite/Makefile.in: Regenerate.
2824
2825 2010-10-20  Doug Kwan  <dougkwan@google.com>
2826
2827         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2828         without SHF_LINK_ORDER flags.
2829         * layout.cc (Layout::choose_output_section): Do not filter
2830         SHF_LINK_ORDER flag in a relocatable link.
2831
2832 2010-10-17  Cary Coutant  <ccoutant@google.com>
2833
2834         * output.h (Output_segment::set_section_addresses): Change function
2835         signature.  Update all callers.
2836         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2837         sections.
2838         (Output_segment::set_section_addresses): Align after last TLS
2839         section.  Add padding before last relro section instead of after.
2840
2841 2010-10-17  Doug Kwan  <dougkwan@google.com>
2842
2843         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2844         GOT output section to be writable.
2845
2846 2010-10-14  Cary Coutant  <ccoutant@google.com>
2847
2848         * debug.h (DEBUG_INCREMENTAL): New flag.
2849         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2850         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2851         mode.
2852         * incremental.cc (report_command_line): Ignore all forms of
2853         --incremental.
2854         * layout.cc (Layout::Layout): Check parameters for incremental link
2855         mode.
2856         * options.cc (General_options::parse_incremental): New function.
2857         (General_options::parse_no_incremental): New function.
2858         (General_options::parse_incremental_full): New function.
2859         (General_options::parse_incremental_update): New function.
2860         (General_options::incremental_mode_): New data member.
2861         (General_options::finalize): Check incremental_mode_.
2862         * options.h (General_options): Update help text for --incremental.
2863         Add --no-incremental, --incremental-full, --incremental-update.
2864         (General_options::Incremental_mode): New enum type.
2865         (General_options::incremental_mode): New function.
2866         (General_options::incremental_mode_): New data member.
2867         * parameters.cc (Parameters::incremental_mode_): New data member.
2868         (Parameters::set_options): Set incremental_mode_.
2869         (Parameters::set_incremental_full): New function.
2870         (Parameters::incremental): New function.
2871         (Parameters::incremental_update): New function.
2872         (set_parameters_incremental_full): New function.
2873         * parameters.h (Parameters::set_incremental_full): New function.
2874         (Parameters::incremental): New function.
2875         (Parameters::incremental_update): New function.
2876         (Parameters::incremental_mode_): New data member.
2877         (set_parameters_incremental_full): New function.
2878         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2879         incremental link mode.
2880         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2881         (Sized_relobj::do_relocate_sections): Likewise.
2882         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2883         option.
2884         * testsuite/Makefile.in: Regenerate.
2885         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2886
2887 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2888
2889         * script-sections.h (class Script_sections): Make
2890         Sections_elements typedef public.
2891         * script-sections.cc (class Sort_output_sections): Add elements_
2892         field.  Add constructor which sets it; change all callers.
2893         (Sort_output_sections::is_before): New function.
2894         (Sort_output_sections::operator()): Call is_before.
2895         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2896         conditional.
2897         * testsuite/script_test_10.sh: New test. Test script section
2898         order.
2899         * testsuite/script_test_10.t: Likewise.
2900         * testsuite/script_test_10.s: Likewise.
2901         * testsuite/Makefile.am: Wrap the cross linker tests and the
2902         common tests into NATIVE_OR_CROSS_LINKER.
2903         (check_SCRIPTS): Add script_test_10.sh.
2904         (check_DATA): Add script_test_10.stdout.
2905         (script_test_10.o, script_test_10): New targets.
2906         (script_test_10.stdout): New target.
2907         * configure, testsuite/Makefile.in: Regenerate.
2908
2909 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2910
2911         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2912         error for the deprecated relocations.
2913         (Target_arm::Scan::global): Likewise.
2914         (Target_arm::Relocate::relocate): Likewise.
2915
2916 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2917
2918         * fileread.cc (Input_file::find_file): Initialize *found_name
2919         and *namep when using the fallback search for case 4.
2920
2921 2010-10-11  Cary Coutant  <ccoutant@google.com>
2922
2923         * options.h (class General_options): Redefine -z lazy as an alias for
2924         the negation of -z now.
2925
2926 2010-10-11  Ian Lance Taylor  <iant@google.com>
2927
2928         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2929         binding.
2930
2931 2010-10-06  Nick Clifton  <nickc@redhat.com>
2932
2933         * script-sections.cc(class Memory_region): Remove
2934         current_lma_offset_ field.  Rename current_vma_offset_ to
2935         current_offset_.  Add last_section_ field.
2936         (Memory_region::get_current_vma_address): Rename to
2937         get_current_address.
2938         (Memory_region::get_current_lma_address): Delete.
2939         (Memory_region::increment_vma_offset): Rename to
2940         increment_offset.
2941         (Memory_region::increment_lma_offset): Delete.
2942         (Memory_region::attributes_compatible): New method.  Returns
2943         true if the provided section is compatible with the region.
2944         (Memory_region::get_last_section): New method.  Returns the last
2945         section to use the region.
2946         (Memory_region::set_last_section): New method.  Stores the last
2947         section to use the region.
2948         (Script_sections::block_in_region): New method.  Returns true if
2949         a block of memory is contained within a region.
2950         (Script_sections::find_memory_region): New method.  Locates a
2951         memory region to be used to set a VMA or LMA address.
2952         (Output_section_definition::set_section_addresses): Add code to
2953         check for addresses set by memory regions.
2954         (Output_segment::set_section_addresses): Remove memory region
2955         walking code.
2956         (Script_sections::create_segment): Add a warning if a header
2957         segment is created outside of any region.
2958         * script-sections.h (class Script_sections): Add prototypes for
2959         find_memory_region and block_in_region methods.
2960         * testsuite/memory_test.s: Use .long instead of .word.
2961         * testsuite/memory_test.t: Add some more output sections.
2962         * testsuite/memory_test.sh: Update expected output.
2963
2964 2010-10-02  Doug Kwan  <dougkwan@google.com>
2965
2966         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2967         defintion to symtab.h
2968         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2969         declaration to defintion.
2970
2971 2010-10-01  Nick Clifton  <nickc@redhat.com>
2972
2973         * expression.cc (eval): Replace dummy argument with NULL.
2974         (eval_maybe_dot): Check for a NULL result section pointer.
2975         (Symbol_expression::value): Likewise.
2976         (Dot_expression::value): Likewise.
2977         (BINARY_EXPRESSION): Likewise.
2978         (Max_expression::value): Likewise.
2979         (Min_expression::value): Likewise.
2980         (Absolute_expression::value): Likewise.
2981         (Addr_expression::value_from_output_section): Likewise.
2982         (Loaddddr_expression::value_from_output_section): Likewise.
2983         (Segment_start_expression::value): Likewise.
2984         * script-sections.cc
2985         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2986         argument with NULL.
2987         (Sections_elememt_dot_assignment::set_section_addresses):
2988         Likewise.
2989         (Output_data_expression::do_write_to_buffer): Likewise.
2990         (Output_section_definition::finalize_symbols): Likewise.
2991         (Output_section_definition::set_section_addresses): Likewise.
2992
2993 2010-09-30  Doug Kwan  <dougkwan@google.com>
2994
2995         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2996
2997 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2998
2999         * target.h (Target::can_icf_inline_merge_sections): New virtual
3000         function.
3001         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3002         virtual function.
3003         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3004         virtual function.
3005         * icf.cc (get_section_contents): Inline merge sections only when
3006         target allows it.
3007
3008 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3009
3010         * configure: Regenerate.
3011
3012 2010-09-17  Ian Lance Taylor  <iant@google.com>
3013
3014         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3015         * testsuite/Makefile.am (memory_test.o): New target.
3016         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3017         memory_test.t.
3018         * testsuite/Makefile.in: Rebuild.
3019
3020 2010-09-17  Doug Kwan  <dougkwan@google.com>
3021
3022         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3023         defintion if relocation uses GOT entries of the symbol.
3024         * testsuite/icf_safe_test.sh: Fix test.
3025         * testsuite/icf_safe_so_test.sh: Fix test.
3026
3027 2010-09-16  Cary Coutant  <ccoutant@google.com>
3028
3029         * script_sections.cc (class Memory_region): Remove "NULL" from
3030         vector initializations.
3031
3032 2010-09-15  Cary Coutant  <ccoutant@google.com>
3033
3034         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3035         Resolve forwarding symbols.
3036
3037 2010-09-15  Doug Kwan  <dougkwan@google.com>
3038
3039         * gold/testsuite/script_test_3.t: Add ARM special sections.
3040         * gold/testsuite/script_test_4.t: Same.
3041         * gold/testsuite/script_test_5.t: Same.
3042         * gold/testsuite/script_test_6.t: Same.
3043         * gold/testsuite/script_test_7.t: Same.
3044         * gold/testsuite/script_test_7.t: Same.
3045         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3046
3047 2010-09-14  Cary Coutant  <ccoutant@google.com>
3048
3049         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3050         (Target_x86_64::Relocate::relocate_tls): Replace check for
3051         saw_tls_block_reloc_ with test for executable section.
3052
3053 2010-09-12  Cary Coutant  <ccoutant@google.com>
3054
3055         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3056         position-independent executables to shared libraries need dynamic
3057         relocations.
3058         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3059         position-independent executables.
3060         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3061         * testsuite/Makefile.in: Regenerate.
3062
3063 2010-09-10  Nick Clifton  <nickc@redhat.com>
3064
3065         PR gold/11997
3066         * testsuite/memory_test.t: Discard any sections that are not
3067         needed.
3068
3069 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3070
3071         PR gold/11996
3072         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3073         "This::" to work around a bug in gcc 4.2.
3074
3075         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3076
3077 2010-09-09  Rafael Espindola  <espindola@google.com>
3078
3079         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3080         sections with different PF_X flags in the same segment.
3081         (Layout::find_first_load_seg): Search all segments to find the first
3082         one.
3083         * options.h (rosegment): New.
3084
3085 2010-09-08  Rafael Espindola  <espindola@google.com>
3086
3087         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3088
3089 2010-09-08  Doug Kwan  <dougkwan@google.com>
3090
3091         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3092         (Arm_relobj::do_relocate_sections): Add new parameter for output
3093         file to match the parent.
3094         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3095         of local symbols instead of input values.  Update code to track
3096         changes in gold::relocate_section.
3097         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3098         (Sized_relobj::compute_final_local_value_internal): New methods.
3099         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3100         body into private version of Sized_relobj::compute_final_local_value.
3101         Call the inline method.
3102         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3103         merged symbol value if there is one.
3104         (Symbol_value::has_output_value): New method defintiion.
3105         (Sized_relobj::Compute_final_local_value_status): New enum type.
3106         (Sized_relobj::compute_final_local_value): New methods.
3107         (Sized_relobj::compute_final_local_value_internal): New methods.
3108         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3109         and arm_cortex_a8.sh.
3110         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3111         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3112         New tests.
3113         * Makefile.in: Regenerate.
3114         * testsuite/arm_bl_out_of_range.s: Update test.
3115         * testsuite/thumb_bl_out_of_range.s: Ditto.
3116         * testsuite/thumb_blx_out_of_range.s: Ditto.
3117         * testsuite/arm_branch_out_of_range.sh: New file.
3118         * testsuite/arm_cortex_a8.sh: Ditto.
3119         * testsuite/arm_cortex_a8_b.s: Ditto.
3120         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3121         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3122         * testsuite/arm_cortex_a8_bl.s: Ditto.
3123         * testsuite/arm_cortex_a8_blx.s: Ditto.
3124         * testsuite/arm_cortex_a8_local.s: Ditto.
3125         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3126         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3127
3128 2010-09-08  Rafael Espindola  <espindola@google.com>
3129
3130         * Makefile.am (memory_test.stdout): Run readelf with -W.
3131         * Makefile.in: Regenerate.
3132         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3133         64 bit output.
3134
3135 2010-09-08  Rafael Espindola  <espindola@google.com>
3136
3137         * script-sections.cc (Script_sections::add_memory_region): Convert
3138         field precision to int.
3139         * script.cc (script_set_section_region, script_set_section_region):
3140         Convert field precision to int.
3141
3142 2010-09-08  Rafael Espindola  <espindola@google.com>
3143
3144         * arm.cc (do_finalize_sections): Create the __exidx_start and
3145         __exdix_end symbols even when the section is missing.
3146
3147 2010-09-08  Nick Clifton  <nickc@redhat.com>
3148
3149         * README: Remove claim that MEMORY is not supported.
3150         * expression.cc (script_exp_function_origin)
3151         (script_exp_function_length): Move from here to ...
3152         * script.cc: ... here.
3153         (script_set_section_region, script_add_memory)
3154         (script_parse_memory_attr, script_include_directive): New
3155         functions.
3156         * script-sections.cc
3157         (class Memory_region): New class.
3158         (class Output_section_definition): Add set_memory_region,
3159         set_section_vma, set_section_lma and get_section_name methods.
3160         (class Script_Sections): Add add_memory_region,
3161         find_memory_region, find_memory_region_origin,
3162         find_memory_region_length and set_memory_region methods.
3163         Have set_section_addresses method walk the list of set memory
3164         regions.
3165         Extend the print methos to display memory regions.
3166         * script-sections.h: Add prototypes for new methods.
3167         Add enum for MEMORY region attributes.
3168         * yyscript.y: Add support for parsing MEMORY regions.
3169         * script-c.h: Add prototypes for new functions.
3170         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3171         * testsuite/Makefile.in: Regenerate.
3172         * testsuite/memory_test.sh: New script.
3173         * testsuite/memory_test.s: New assembler source file.
3174         * testsuite/memory_test.t: New linker script.
3175
3176 2010-08-27  Doug Kwan  <dougkwan@google.com>
3177
3178         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3179         reference override an existing dynamic weak reference.
3180         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3181         * testsuite/Makefile.in: Regenerate.
3182         * testsuite/dyn_weak_ref.sh: New file.
3183         * testsuite/dyn_weak_ref_1.c: Ditto.
3184         * testsuite/dyn_weak_ref_2.c: Ditto.
3185
3186 2010-08-27  Ian Lance Taylor  <iant@google.com>
3187
3188         * incremental.h (class Incremental_input_entry): Add virtual
3189         destructor.
3190
3191 2010-08-27  Ian Lance Taylor  <iant@google.com>
3192
3193         * testsuite/start_lib_test_3.c: Mark t3 as used.
3194
3195 2010-08-27  Nick Clifton  <nickc@redhat.com>
3196
3197         * options.cc (version_script): Fix small typo in previous
3198         whitespace tidyup.
3199
3200 2010-08-25  Nick Clifton  <nickc@redhat.com>
3201
3202         * archive.cc: Formatting fixes: Remove whitespace between
3203         typename and following asterisk.  Remove whitespace between
3204         function name and opening parenthesis.
3205         * archive.h: Likewise.
3206         * arm.cc: Likewise.
3207         * attributes.cc: Likewise.
3208         * attributes.h: Likewise.
3209         * common.cc: Likewise.
3210         * copy-relocs.cc: Likewise.
3211         * dirsearch.h: Likewise.
3212         * dynobj.cc: Likewise.
3213         * ehframe.cc: Likewise.
3214         * ehframe.h: Likewise.
3215         * expression.cc: Likewise.
3216         * fileread.cc: Likewise.
3217         * fileread.h: Likewise.
3218         * gc.h: Likewise.
3219         * gold-threads.cc: Likewise.
3220         * gold.cc: Likewise.
3221         * i386.cc: Likewise.
3222         * icf.h: Likewise.
3223         * incremental-dump.cc: Likewise.
3224         * incremental.cc: Likewise.
3225         * layout.cc: Likewise.
3226         * layout.h: Likewise.
3227         * main.cc: Likewise.
3228         * merge.cc: Likewise.
3229         * merge.h: Likewise.
3230         * object.cc: Likewise.
3231         * object.h: Likewise.
3232         * options.cc: Likewise.
3233         * options.h: Likewise.
3234         * output.cc: Likewise.
3235         * output.h: Likewise.
3236         * plugin.cc: Likewise.
3237         * plugin.h: Likewise.
3238         * powerpc.cc: Likewise.
3239         * reloc.cc: Likewise.
3240         * script-c.h: Likewise.
3241         * script-sections.cc: Likewise.
3242         * script.cc: Likewise.
3243         * stringpool.cc: Likewise.
3244         * symtab.cc: Likewise.
3245         * symtab.h: Likewise.
3246         * target.cc: Likewise.
3247         * timer.cc: Likewise.
3248         * timer.h: Likewise.
3249         * version.cc: Likewise.
3250         * x86_64.cc: Likewise.
3251
3252 2010-08-24  Nick Clifton  <nickc@redhat.com>
3253
3254         PR 11899
3255         * layout.cc (segment_precedes): Sort segments by their physical
3256         addresses, if they have been set.
3257
3258 2010-08-23  Cary Coutant  <ccoutant@google.com>
3259
3260         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3261         symbols data.
3262         (Lib_group::include_member): Unlock object after deleting its
3263         symbols data.
3264         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3265         the bug fixed here.
3266
3267 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3268             Cary Coutant  <ccoutant@google.com>
3269
3270         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3271         constructor, and set_blocker.
3272         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3273         readsyms_blocker_.
3274         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3275         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3276         * testsuite/Makefile.am (start_lib_test): New test case.
3277         * testsuite/Makefile.in: Regenerate.
3278         * testsuite/start_lib_test_main.c: New file.
3279         * testsuite/start_lib_test_1.c: New file.
3280         * testsuite/start_lib_test_2.c: New file.
3281         * testsuite/start_lib_test_3.c: New file.
3282
3283 2010-08-19  Ian Lance Taylor  <iant@google.com>
3284
3285         * Makefile.in: Rebuild with automake 1.11.1.
3286         * aclocal.m4: Likewise.
3287         * testsuite/Makefile.in: Likewise.
3288
3289 2010-08-19  Ian Lance Taylor  <iant@google.com>
3290
3291         PR 10893
3292         * i386.cc (class Output_data_plt_i386): Update declarations.
3293         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3294         local_ifuncs_ fields.
3295         (Target_i386::do_plt_section_for_global): New function.
3296         (Target_i386::do_plt_section_for_local): New function.
3297         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3298         parameter; change all callers.  Initialize global_ifuncs_ and
3299         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3300         __rel_iplt_end.
3301         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3302         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3303         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3304         symbols.
3305         (Target_i386::make_plt_section): New function, broken out of
3306         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3307         (Target_i386::make_plt_entry): Call make_plt_section.
3308         (Target_i386::make_local_ifunc_plt_entry): New function.
3309         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3310         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3311         R_386_IRELATIVE to switch.
3312         (Target_i386::Scan::global): Likewise.
3313         (Target_i386::Relocate::relocate): Likewise.
3314         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3315         switch.
3316         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3317         (Target_x86_64::do_plt_section_for_global): New function.
3318         (Target_x86_64::do_plt_section_for_local): New function.
3319         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3320         parameter; change all callers.  If doing a static link define
3321         __rela_iplt_start and __rela_iplt_end.
3322         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3323         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3324         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3325         to point to .plt.
3326         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3327         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3328         switch.
3329         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3330         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3331         R_X86_64_IRELATIVE to switch.
3332         (Target_x86_64::Scan::global): Likewise.
3333         (Target_x86_64::Relocate::relocate): Likewise.
3334         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3335         switch.
3336         * target.h (class Target): Add plt_section_for_global and
3337         plt_section_for_local functions.  Add do_plt_section_for_global
3338         and do_plt_section_for_local virtual functions.
3339         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3340         clarifying comments.
3341         (Symbol::use_plt_offset): Handle IFUNC symbol.
3342         * object.cc (Sized_relobj::Sized_relobj): Initialize
3343         local_plt_offsets_.
3344         (Sized_relobj::local_has_plt_offset): New function.
3345         (Sized_relobj::local_plt_offset): New function.
3346         (Sized_relobj::set_local_plt_offset): New function.
3347         (Sized_relobj::do_count): Handle IFUNC symbol.
3348         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3349         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3350         is_ifunc_symbol functions.
3351         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3352         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3353         local_plt_offsets_ field.
3354         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3355         * output.h (class Output_section_data): Add non-const
3356         output_section function.
3357         (class Output_data_got): Update declarations.
3358         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3359         Add use_plt_offset parameter to global and local constructors.
3360         Change all callers.  Change local_sym_index_ field to 31 bits.
3361         Change GSYM_CODE and CONSTANT_CODE accordingly.
3362         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3363         doing a static link don't set sh_link field.
3364         (Output_data_got::Got_entry::write): Use PLT offset if
3365         appropriate.
3366         (Output_data_got::add_global_plt): New function.
3367         (Output_data_got::add_local_plt): New function.
3368         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3369         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3370         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3371         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3372         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3373         IFUNC conditional.
3374         * testsuite/ifunc-sel.h: New file.
3375         * testsuite/ifuncmain1.c: New file.
3376         * testsuite/ifuncmain1vis.c: New file.
3377         * testsuite/ifuncmod1.c: New file.
3378         * testsuite/ifuncdep2.c: New file.
3379         * testsuite/ifuncmain2.c: New file.
3380         * testsuite/ifuncmain3.c: New file.
3381         * testsuite/ifuncmod3.c: New file.
3382         * testsuite/ifuncmain4.c: New file.
3383         * testsuite/ifuncmain5.c: New file.
3384         * testsuite/ifuncmod5.c: New file.
3385         * testsuite/ifuncmain6pie.c: New file.
3386         * testsuite/ifuncmod6.c: New file.
3387         * testsuite/ifuncmain7.c: New file.
3388         * configure, testsuite/Makefile.in: Rebuild.
3389
3390 2010-08-18  Ian Lance Taylor  <iant@google.com>
3391
3392         * incremental.cc
3393         (Output_section_incremental_inputs::write_input_files): Add cast
3394         to avoid signed/unsigned comparison warning.
3395         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3396
3397 2010-08-12  Cary Coutant  <ccoutant@google.com>
3398
3399         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3400
3401 2010-08-13  Ian Lance Taylor  <iant@google.com>
3402
3403         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3404
3405 2010-08-12  Cary Coutant  <ccoutant@google.com>
3406             Doug Kwan  <dougkwan@google.com>
3407
3408         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3409         defintion overrides non-weak undef, remember that the original undef
3410         is not weak.
3411         * symtab.cc (Symbol_table::sized_write_global): For undef without
3412         an original weak binding, set binding to global in output.
3413         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3414         * testsuite/Makefile.in: Regenerate.
3415         * testsuite/strong_ref_weak_def.sh: New file.
3416         * testsuite/strong_ref_weak_def_1.c: Ditto.
3417         * testsuite/strong_ref_weak_def_2.c: Ditto.
3418
3419 2010-08-12  Cary Coutant  <ccoutant@google.com>
3420
3421         * testsuite/incremental_test.sh: Rewrite.
3422         * testsuite/incremental_test_1.c: Rewrite.
3423         * testsuite/incremental_test_2.c: Rewrite.
3424
3425 2010-08-12  Cary Coutant  <ccoutant@google.com>
3426
3427         * arm.cc (Target_arm::got_size): Add const.
3428         (Target_arm::got_entry_count): New function.
3429         (Target_arm::plt_entry_count): New function.
3430         (Target_arm::first_plt_entry_offset): New function.
3431         (Target_arm::plt_entry_size): New function.
3432         (Output_data_plt_arm::entry_count): New function.
3433         (Output_data_plt_arm::first_plt_entry_offset): New function.
3434         (Output_data_plt_arm::get_plt_entry_size): New function.
3435         * i386.cc (Target_i386::got_size): Add const.
3436         (Target_i386::got_entry_count): New function.
3437         (Target_i386::plt_entry_count): New function.
3438         (Target_i386::first_plt_entry_offset): New function.
3439         (Target_i386::plt_entry_size): New function.
3440         (Output_data_plt_i386::entry_count): New function.
3441         (Output_data_plt_i386::first_plt_entry_offset): New function.
3442         (Output_data_plt_i386::get_plt_entry_size): New function.
3443         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3444         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3445         * incremental.cc: Include target.h.
3446         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3447         parameter.  Adjust all callers.  Find incremental_got_plt section.
3448         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3449         section.
3450         (Output_section_incremental_inputs::set_final_data_size): Calculate
3451         size of incremental_got_plt section.
3452         (Output_section_incremental_inputs::do_write): Write the
3453         incremental_got_plt section.
3454         (Got_plt_view_info): New struct.
3455         (Local_got_offset_visitor): New class.
3456         (Global_got_offset_visitor): New class.
3457         (Global_symbol_visitor_got_plt): New class.
3458         (Output_section_incremental_inputs::write_got_plt): New function.
3459         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3460         Add parameter.  Adjust all callers.
3461         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3462         (Incremental_inputs::got_plt_section): New function.
3463         (Incremental_inputs::got_plt_section_): New data member.
3464         (Incremental_got_plt_reader): New class.
3465         * layout.cc (Layout::create_incremental_info_sections): Add the
3466         incremental_got_plt section.
3467         * object.h (Got_offset_list::get_list): New function.
3468         (Got offset_list::for_all_got_offsets): New function.
3469         (Sized_relobj::local_got_offset_list): New function.
3470         * powerpc.cc (Target_powerpc::got_size): Add const.
3471         (Target_powerpc::got_entry_count): New function.
3472         (Target_powerpc::plt_entry_count): New function.
3473         (Target_powerpc::first_plt_entry_offset): New function.
3474         (Target_powerpc::plt_entry_size): New function.
3475         (Output_data_plt_powerpc::entry_count): New function.
3476         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3477         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3478         * sparc.cc (Target_sparc::got_size): Add const.
3479         (Target_sparc::got_entry_count): New function.
3480         (Target_sparc::plt_entry_count): New function.
3481         (Target_sparc::first_plt_entry_offset): New function.
3482         (Target_sparc::plt_entry_size): New function.
3483         (Output_data_plt_sparc::entry_count): New function.
3484         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3485         (Output_data_plt_sparc::get_plt_entry_size): New function.
3486         * symtab.h (Symbol::got_offset_list): New function.
3487         (Symbol_table::for_all_symbols): New function.
3488         * target.h (Sized_target::got_entry_count): New function.
3489         (Sized_target::plt_entry_count): New function.
3490         (Sized_target::plt_entry_size): New function.
3491         * x86_64.cc (Target_x86_64::got_size): Add const.
3492         (Target_x86_64::got_entry_count): New function.
3493         (Target_x86_64::plt_entry_count): New function.
3494         (Target_x86_64::first_plt_entry_offset): New function.
3495         (Target_x86_64::plt_entry_size): New function.
3496         (Output_data_plt_x86_64::entry_count): New function.
3497         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3498         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3499
3500 2010-08-12  Cary Coutant  <ccoutant@google.com>
3501
3502         * archive.cc: Include incremental.h.
3503         (Archive::Archive): Initialize incremental_info_.
3504         (Archive::include_member): Record archive members in incremental info.
3505         (Add_archive_symbols::run): Record begin and end of an archive in
3506         incremental info.
3507         (Lib_group::include_member): Record objects in incremental info.
3508         * archive.h (Incremental_archive_entry): Forward declaration.
3509         (Archive::set_incremental_info): New member function.
3510         (Archive::incremental_info): New member function.
3511         (Archive::Unused_symbol_iterator): New class.
3512         (Archive::unused_symbols_begin): New member function.
3513         (Archive::unused_symbols_end): New member function.
3514         (Archive::incremental_info_): New data member.
3515         * incremental-dump.cc (find_input_containing_global): New function.
3516         (dump_incremental_inputs): Dump new incremental info sections.
3517         * incremental.cc: Include symtab.h.
3518         (Output_section_incremental_inputs): New class.
3519         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3520         new incremental info sections.
3521         (Sized_incremental_binary::do_check_inputs): Likewise.
3522         (Incremental_inputs::report_archive): Remove.
3523         (Incremental_inputs::report_archive_begin): New function.
3524         (Incremental_inputs::report_archive_end): New function.
3525         (Incremental_inputs::report_object): New function.
3526         (Incremental_inputs::finalize_inputs): Remove.
3527         (Incremental_inputs::report_input_section): New function.
3528         (Incremental_inputs::report_script): Rewrite.
3529         (Incremental_inputs::finalize): Do nothing but finalize string table.
3530         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3531         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3532         (Incremental_inputs::create_data_sections): New function.
3533         (Incremental_inputs::relocs_entsize): New function.
3534         (Output_section_incremental_inputs::set_final_data_size): New function.
3535         (Output_section_incremental_inputs::do_write): New function.
3536         (Output_section_incremental_inputs::write_header): New function.
3537         (Output_section_incremental_inputs::write_input_files): New function.
3538         (Output_section_incremental_inputs::write_info_blocks): New function.
3539         (Output_section_incremental_inputs::write_symtab): New function.
3540         * incremental.h (Incremental_script_entry): Forward declaration.
3541         (Incremental_object_entry): Forward declaration.
3542         (Incremental_archive_entry): Forward declaration.
3543         (Incremental_inputs): Forward declaration.
3544         (Incremental_inputs_header_data): Remove.
3545         (Incremental_inputs_header): Remove.
3546         (Incremental_inputs_header_write): Remove.
3547         (Incremental_inputs_entry_data): Remove.
3548         (Incremental_inputs_entry): Remove.
3549         (Incremental_inputs_entry_write): Remove.
3550         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3551         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3552         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3553         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3554         Likewise.
3555         (Incremental_input_entry): New class.
3556         (Incremental_script_entry): New class.
3557         (Incremental_object_entry): New class.
3558         (Incremental_archive_entry): New class.
3559         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3560         (Incremental_inputs::report_inputs): Remove.
3561         (Incremental_inputs::report_archive): Remove.
3562         (Incremental_inputs::report_archive_begin): New function.
3563         (Incremental_inputs::report_archive_end): New function.
3564         (Incremental_inputs::report_object): Change prototype.
3565         (Incremental_inputs::report_input_section): New function.
3566         (Incremental_inputs::report_script): Change prototype.
3567         (Incremental_inputs::get_reloc_count): New function.
3568         (Incremental_inputs::set_reloc_count): New function.
3569         (Incremental_inputs::create_data_sections): New function.
3570         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3571         (Incremental_inputs::inputs_section): New function.
3572         (Incremental_inputs::symtab_section): New function.
3573         (Incremental_inputs::relocs_section): New function.
3574         (Incremental_inputs::get_stringpool): Add const.
3575         (Incremental_inputs::command_line): Add const.
3576         (Incremental_inputs::inputs): Remove.
3577         (Incremental_inputs::command_line_key): New function.
3578         (Incremental_inputs::input_file_count): New function.
3579         (Incremental_inputs::input_files): New function.
3580         (Incremental_inputs::relocs_entsize): New function.
3581         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3582         (Incremental_inputs::finalize_inputs): Remove.
3583         (Incremental_inputs::Input_info): Remove.
3584         (Incremental_inputs::lock_): Remove.
3585         (Incremental_inputs::inputs_): Change type.
3586         (Incremental_inputs::inputs_map_): Remove.
3587         (Incremental_inputs::current_object_entry_): New data member.
3588         (Incremental_inputs::inputs_section_): New data member.
3589         (Incremental_inputs::symtab_section_): New data member.
3590         (Incremental_inputs::relocs_section_): New data member.
3591         (Incremental_inputs::reloc_count_): New data member.
3592         (Incremental_inputs_reader): New class.
3593         (Incremental_symtab_reader): New class.
3594         (Incremental_relocs_reader): New class.
3595         * layout.cc (Layout::finalize): Move finalization of incremental info
3596         and creation of incremental info sections to follow finalization of
3597         symbol table.  Set offsets for postprocessing sections.
3598         (Layout::create_incremental_info_sections): Call
3599         Incremental_inputs::create_data_sections.  Add incremental symtab
3600         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3601         sections to layout after input sections.
3602         * layout.h (struct Timespec): Forward declaration.
3603         (Layout::incremental_inputs): Add const.
3604         (Layout::create_incremental_info_sections): Add parameter.
3605         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3606         * object.cc: Include incremental.h.
3607         (Relobj::finalize_incremental_relocs): New function.
3608         (Sized_relobj::do_layout): Record input sections in incremental info.
3609         * object.h (Object::output_section): New function.
3610         (Object::output_section_offset): Moved from Relobj.
3611         (Object::get_incremental_reloc_base): New function.
3612         (Object::get_incremental_reloc_count): New function.
3613         (Object::do_output_section): New function.
3614         (Object::do_output_section_offset): Moved from Relobj.
3615         (Object::do_get_incremental_reloc_base): New function.
3616         (Object::do_get_incremental_reloc_count): New function.
3617         (Object::Object): Initialize new data members.
3618         (Relobj::output_section): Renamed do_output_section and moved to
3619         protected.
3620         (Relobj::output_section_offset): Moved to Object.
3621         (Relobj::do_get_incremental_reloc_base): New function.
3622         (Relobj::do_get_incremental_reloc_count): New function.
3623         (Relobj::allocate_incremental_reloc_counts): New function.
3624         (Relobj::count_incremental_reloc): New function.
3625         (Relobj::finalize_incremental_relocs): New function.
3626         (Relobj::next_incremental_reloc_index): New function.
3627         (Relobj::reloc_counts_): New data member.
3628         (Relobj::reloc_bases_): New data member.
3629         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3630         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3631         (Sized_relobj::incremental_relocs_scan): New function.
3632         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3633         (Sized_relobj::incremental_relocs_write): New function.
3634         (Sized_relobj::incremental_relocs_write_reltype): New function.
3635         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3636         incremental link.
3637         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3638         archives and object files elsewhere.
3639         (Add_symbols::run): Report object files here.
3640         (Finish_group::run): Report end of archive at end of group.
3641         * reloc.cc: Include layout.h, incremental.h.
3642         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3643         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3644         (Sized_relobj::incremental_relocs_scan): New function.
3645         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3646         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3647         (Sized_relobj::incremental_relocs_write): New function.
3648         (Sized_relobj::incremental_relocs_write_reltype): New function.
3649         * script.cc (read_input_script): Rewrite test for incremental link.
3650         Change call to Incremental_inputs::report_script.
3651         * symtab.h (Symbol_table::first_global_index): New function.
3652         (Symbol_table::output_count): New function.
3653
3654 2010-08-12  Doug Kwan  <dougkwan@google.com>
3655
3656         * arm.cc (Target_arm::merge_object_attributes): Check command line
3657         options --no-wchar-size-warning and --no-enum-size-warning.
3658         * options.h (General_options): Add ld-compatible options
3659         --no-enum-size-warning and --no-wchar-size-warning.
3660
3661 2010-08-04  Ian Lance Taylor  <iant@google.com>
3662
3663         * x86_64.cc (Target_x86_64::Scan::local): Use
3664         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3665         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3666         (Target_x86_64::Scan::global): Likewise.
3667         (Target_x86_64::Relocate::relocate): Likewise.
3668         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3669         Likewise.
3670
3671 2010-08-03  Cary Coutant  <ccoutant@google.com>
3672
3673         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3674         to reserve space in merged_strings vector. Keep total input size
3675         for stats.
3676         (Output_merge_string::do_print_merge_stats): Print total input size.
3677         * merge.h (Output_merge_string): Add input_size_ field.
3678         * stringpool.cc (Stringpool_template::string_length): Move
3679         implementations out of Stringpool_template class and place in
3680         stringpool.h.
3681         * stringpool.h (string_length): Move out of Stringpool_template.
3682
3683 2010-08-03  Ian Lance Taylor  <iant@google.com>
3684
3685         PR 11712
3686         * layout.cc (relaxation_loop_body): If address of load segment is
3687         set, adjust address to include headers if possible.
3688
3689 2010-08-03  Ian Lance Taylor  <iant@google.com>
3690
3691         * version.cc (version_string): Bump to 1.10.
3692
3693 2010-08-03  Ian Lance Taylor  <iant@google.com>
3694
3695         PR 11805
3696         * layout.h (enum Output_section_order): Define.
3697         (class Layout): Update declarations.
3698         * layout.cc (Layout::get_output_section): Add order parameter.
3699         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3700         is_first_non_relro parameters.  Change all callers.
3701         (Layout::choose_output_section): Likewise.
3702         (Layout::add_output_section_data): Likewise.
3703         (Layout::make_output_section): Likewise.  Set order.
3704         (Layout::default_section_order): New function.
3705         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3706         * output.cc (Output_section::Output_section): Initialize order_.
3707         Don't initialize deleted fields.
3708         (Output_segment::Output_segment): Don't initialize deleted
3709         fields.
3710         (Output_segment::add_output_section_to_load): New function
3711         replacing add_output_section.  Change all callers to call this or
3712         add_output_section_to_nonload.
3713         (Output_segment::add_output_section_to_nonload): New function.
3714         (Output_segment::remove_output_section): Rewrite.
3715         (Output_segment::add_initial_output_data): Likewise.
3716         (Output_segment::has_any_data_sections): Likewise.
3717         (Output_segment::is_first_section_relro): Likewise.
3718         (Output_segment::maximum_alignment): Likewise.
3719         (Output_segment::has_dynamic_reloc): New function replacing
3720         dynamic_reloc_count.  Change all callers.
3721         (Output_segment::has_dynamic_reloc_list): New function replacing
3722         dynamic_reloc_count_list.  Change all callers.
3723         (Output_segment::set_section_addresses): Rewrite.
3724         (Output_segment::set_offset): Rewrite.
3725         (Output_segment::find_first_and_last_list): Remove.
3726         (Output_segment::set_tls_offsets): Rewrite.
3727         (Output_segment::first_section_load_address): Likewise.
3728         (Output_segment::output_section_count): Likewise.
3729         (Output_segment::section_with_lowest_load_address): Likewise.
3730         (Output_segment::write_section_headers): Likewise.
3731         (Output_segment::print_sections_to_map): Likewise.
3732         * output.h (class Output_data): Remove dynamic_reloc_count_
3733         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3734         (Output_data::add_dynamic_reloc): Rewrite.
3735         (Output_data::has_dynamic_reloc): New function.
3736         (Output_data::dynamic_reloc_count): Remove.
3737         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3738         is_last_relro_, is_first_non_relro_, is_interp_,
3739         is_dynamic_linker_section_ fields.  Add order and set_order
3740         functions.  Remove is_relro_local, set_is_relro_local,
3741         is_last_relro, set_is_last_relro, is_first_non_relro,
3742         set_is_first_non_relro functions, is_interp, set_is_interp,
3743         is_dynamic_linker_section, and set_is_dynamic_linker_section
3744         functions.
3745         (class Output_segment): Change Output_data_list from std::list to
3746         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3747         output_bss_ fields.  Update declarations.
3748
3749 2010-08-02  Ian Lance Taylor  <iant@google.com>
3750
3751         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3752         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3753         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3754
3755 2010-08-02  Ian Lance Taylor  <iant@google.com>
3756
3757         PR 11855
3758         * script.cc (Script_options::Script_options): Initialize
3759         symbol_definitions_ and symbol_references_.
3760         (Script_options::add_symbol_assignment): Update
3761         symbol_definitions_ and symbol_references_.
3762         (Script_options::add_symbol_reference): New function.
3763         (script_symbol): New function.
3764         * script.h (class Script_options): Add symbol_definitions_ and
3765         symbol_references_ fields.
3766         (Script_options::referenced_const_iterator): New type.
3767         (Script_options::referenced_begin): New function.
3768         (Script_options::referenced_end): New function.
3769         (Script_options::is_referenced): New function.
3770         (Script_options::any_unreferenced): New function.
3771         * script-c.h (script_symbol): Declare.
3772         * yyscript.y (exp): Call script_symbol.
3773         * symtab.cc: Include "script.h".
3774         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3775         Change all callers.  Check symbols referenced by scripts.
3776         (Symbol_table::add_undefined_symbols_from_command_line): Add
3777         layout parameter.  Change all callers.
3778         (Symbol_table::do_add_undefined_symbols_from_command_line):
3779         Likewise.  Break out loop body.  Check symbols referenced by
3780         scripts.
3781         (Symbol_table::add_undefined_symbol_from_command_line): New
3782         function broken out of
3783         do_add_undefined_symbols_from_command_line.
3784         * symtab.h (class Symbol_table): Update declarations.
3785         * archive.cc: Include "layout.h".
3786         (Archive::should_include_member): Add layout parameter.  Change
3787         all callers.  Check for symbol mentioned in expression.
3788         * archive.h (class Archive): Update declaration.
3789         * object.cc (Sized_relobj::do_should_include_member): Add layout
3790         parameter.
3791         * object.h (Object::should_include_member): Add layout parameter.
3792         Change all callers.
3793         (Object::do_should_include_member): Add layout parameter.
3794         (class Sized_relobj): Update declaration.
3795         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3796         parameter.
3797         * dynobj.h (class Sized_dynobj): Update declaration.
3798         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3799         layout parameter.
3800         * plugin.h (class Sized_pluginobj): Update declaration.
3801
3802 2010-08-02  Ian Lance Taylor  <iant@google.com>
3803
3804         PR 11866
3805         * output.cc (Output_segment::set_offset): Search for the first and
3806         last sections rather than assuming that the list is in order.
3807         (Output_segment::find_first_and_last_list): New function.
3808         * output.h (class Output_segment): Update declarations.
3809         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3810         (relro_strip_test_SOURCES): New variable.
3811         (relro_strip_test_DEPENDENCIES): New variable.
3812         (relro_strip_test_LDFLAGS): New variable.
3813         (relro_strip_test_LDADD): New variable.
3814         (relro_strip_test.so): New target.
3815
3816 2010-08-02  Ian Lance Taylor  <iant@google.com>
3817
3818         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3819         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3820         (Target_i386::got_tlsdesc_section): New function.
3821         (Target_i386::got_section): Create space for GOT entries for
3822         TLSDESC relocations.
3823         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3824         R_386_TLS_GOTDESC.
3825         (Target_i386::Scan::global): Likewise.
3826         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3827         using TLSDESC GOT.
3828         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3829         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3830         (Target_x86_64::got_tlsdesc_section): New function.
3831         (Target_x86_64::got_section): Create space for GOT entries for
3832         TLSDESC relocations.
3833         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3834         R_386_TLS_GOTDESC.
3835         (Target_x86_64::Scan::global): Likewise.
3836         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3837         using TLSDESC GOT.
3838
3839 2010-08-02  Ian Lance Taylor  <iant@google.com>
3840
3841         * testsuite/final_layout.sh: Use dc to convert from hex to
3842         decimal.
3843
3844 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3845
3846         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3847         paramter to the call to gold::gc_process_relocs.
3848         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3849         paramter to the call to gold::gc_process_relocs.
3850         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3851         parameter to the call to gold::gc_process_relocs.
3852         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3853         template parameter to the call to gold::gc_process_relocs.
3854         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3855         paramter to the call to gold::gc_process_relocs.
3856         * gc.h (get_embedded_addend_size): New function.
3857         (gc_process_relocs): Save the size of the reloc for use by ICF.
3858         * icf.cc (get_section_contents): Get the addend from the text section
3859         for SHT_REL relocation sections.
3860         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3861         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3862         * int_encoding.h (read_from_pointer): New overloaded function.
3863         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3864         * testsuite/icf_sht_rel_addend_test.sh: New file.
3865         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3866         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3867
3868 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3869
3870         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3871         * Makefile.in: Regenerate.
3872         * testsuite/Makefile.in: Regenerate.
3873
3874 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3875
3876         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3877         * gold/testsuite/debug_msg.cc: Likewise.
3878         * gold/testsuite/odr_violation1.cc
3879         * gold/testsuite/odr_violation2.cc
3880
3881 2010-07-21  Cary Coutant  <ccoutant@google.com>
3882
3883         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3884         string, and length fields.
3885         (Output_merge_string::Merged_strings_list): New type.
3886         (Output_merge_string::Merged_strings_lists): New typedef.
3887         (Output_merge_string): Replace merged_strings_ with
3888         merged_strings_lists_.
3889         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3890         Merged_strings_list per input object and section.  Don't store pointer
3891         to the string.  Don't store length with each merged string entry.
3892         (Output_merge_string::finalize_merged_data): Loop over list of merged
3893         strings lists.  Recompute length of each merged string.
3894
3895 2010-07-15  Cary Coutant  <ccoutant@google.com>
3896
3897         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3898         here.
3899
3900 2010-07-14  Ian Lance Taylor  <iant@google.com>
3901
3902         * descriptors.cc (Descriptors::open): Report correct name in error
3903         message.
3904
3905 2010-07-13  Doug Kwan  <dougkwan@google.com>
3906
3907         * arm.cc (Arm_input_section::Arm_input_section): For a
3908         SHT_ARM_EXIDX section, always keeps the input sections.
3909         (Arm_input_section::set_exidx_section_link): New method.
3910         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3911         has_errors_ to false.
3912         (Arm_exidx_input_section::has_errors,
3913         Arm_exidx_input_section::set_has_errors): New methods.
3914         (Arm_exidx_input_section::has_errors_): New data member.
3915         (Arm_relobj::get_exidx_shndx_list): New method.
3916         (Arm_output_section::append_text_sections_to_list): Do not skip
3917         section without SHF_EXECINSTR.
3918         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3919         errors.
3920         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3921         section header.  Make error messages more verbose.  Check for
3922         a non-executable section linked to an EXIDX section.
3923         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3924         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3925         check that there is no deferred EXIDX section if we exit early.
3926         Instead of not making an EXIDX section in case of an error, make one
3927         and set the has_errors flag of it.
3928         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3929         in a relocatable link.
3930         (Target_arm::do_relax): Look for the EXIDX output section instead of
3931         assuming that it is called .ARM.exidx.
3932         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3933         section list.  Do not check for SHF_EXECINSTR section flags but
3934         skip any input section with errors.
3935         * output.cc (Output_section::Output_section): Initialize
3936         always_keeps_input_sections_ to false.
3937         (Output_section::add_input_section): Check for
3938         always_keeps_input_sections_.
3939         *  output.h (Output_section::always_keeps_input_sections,
3940         Output_section::set_always_keeps_input_sections): New methods.
3941         (Output_section::always_keeps_input_sections): New data member.
3942
3943 2010-07-13  Rafael Espindola  <espindola@google.com>
3944
3945         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3946         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3947
3948 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3949             Ian Lance Taylor  <iant@google.com>
3950
3951         * output.h (Output_section_lookup_maps::add_merge_section):
3952         Correct check of whether value was inserted.
3953         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3954         (Output_section_lookup_maps::add_relaxed_input_section):
3955         Likewise.
3956         * arm.cc (Target_arm::got_section): Remove used local os.
3957         * i386.cc (Target_i386::got_section): Likewise.
3958         * x86_64.cc (Target_x86_64::got_section): Likewise.
3959         * sparc.cc (Target_sparc::got_section): Likewise.
3960         (Target_sparc::relocate): Remove unused local have_got_offset.
3961         * powerpc.cc (Target_powerpc::relocate): Likewise.
3962
3963 2010-07-13  Ian Lance Taylor  <iant@google.com>
3964
3965         * compressed_output.cc (zlib_decompress): Fix signature in
3966         !HAVE_ZLIB_H case.
3967
3968         * archive.cc (Archive::include_member): Unlock an external member
3969         of a thin archive.  Don't bother to delete an object we know is
3970         NULL.
3971
3972 2010-07-12  Cary Coutant  <ccoutant@google.com>
3973
3974         * compressed_output.cc (zlib_decompress): New function.
3975         (get_uncompressed_size): New function.
3976         (decompress_input_section): New function.
3977         * compressed_output.h (get_uncompressed_size): New function.
3978         (decompress_input_section): New function.
3979         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3980         Handle compressed debug sections.
3981         * layout.cc (is_compressed_debug_section): New function.
3982         (Layout::output_section_name): Map compressed section names to
3983         canonical names.
3984         * layout.h (is_compressed_debug_section): New function.
3985         (is_debug_info_section): Recognize compressed debug sections.
3986         * merge.cc: Include compressed_output.h.
3987         (Output_merge_data::do_add_input_section): Handle compressed
3988         debug sections.
3989         (Output_merge_string::do_add_input_section): Handle compressed
3990         debug sections.
3991         * object.cc: Include compressed_output.h.
3992         (Sized_relobj::Sized_relobj): Initialize new data members.
3993         (build_compressed_section_map): New function.
3994         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3995         * object.h (Object::section_is_compressed): New method.
3996         (Object::do_section_is_compressed): New method.
3997         (Sized_relobj::Compressed_section_map): New type.
3998         (Sized_relobj::do_section_is_compressed): New method.
3999         (Sized_relobj::compressed_sections_): New data member.
4000         * output.cc (Output_section::add_input_section): Handle compressed
4001         debug sections.
4002         * reloc.cc: Include compressed_output.h.
4003         (Sized_relobj::write_sections): Handle compressed debug sections.
4004
4005 2010-07-08  Cary Coutant  <ccoutant@google.com>
4006
4007         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4008         weak when resolving to a dynamic def.
4009         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4010         for weak undef/dynamic def cases. Adjust callers.
4011         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4012         undef_binding_weak_.
4013         (Symbol_table::sized_write_globals): Adjust symbol binding.
4014         (Symbol_table::sized_write_symbol): Add binding parameter.
4015         * symtab.h (Symbol::set_undef_binding): New method.
4016         (Symbol::is_undef_binding_weak): New method.
4017         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4018         (Symbol_table::should_override): Add new parameter.
4019         (Symbol_table::sized_write_symbol): Add new parameter.
4020
4021         * testsuite/weak_undef_file1.cc: Add new test case.
4022         * testsuite/weak_undef_file2.cc: Fix header comment.
4023         * testsuite/weak_undef_test.cc: Add new test case.
4024
4025 2010-06-29  Doug Kwan  <dougkwan@google.com>
4026
4027         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4028         Initialize USE_SYMBOL_.
4029         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4030         definition.
4031         (Arm_reloc_property::uses_symbol_): New data member declaration.
4032         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4033         uses symbol value and symbol is undefined but not weakly undefined.
4034
4035 2010-06-28  Rafael Espindola  <espindola@google.com>
4036
4037         * plugin.cc (Plugin::load): Use dlerror.
4038
4039 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4040
4041         * symtab.cc (detect_odr_violations): When reporting an ODR
4042         violation, report an object where the symbol is defined.
4043
4044 2010-06-25  Doug Kwan  <dougkwan@google.com>
4045
4046         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4047         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4048         definition.
4049         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4050         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4051         target hook to detect function points.
4052         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4053         * icf.h (Icf::check_section_for_function_pointers): Change type of
4054         parameter SECTION_NAME to const reference to std::string.  Use
4055         target hook to determine if section may have unsafe pointers.
4056         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4057         method definition.
4058
4059 2010-06-21  Rafael Espindola  <espindola@google.com>
4060
4061         * fileread.cc (Input_file::find_fie): New
4062         (Input_file::open): Use Input_file::find_fie.
4063         * fileread.h (Input_file::find_fie): New
4064         * plugin.cc (set_extra_library_path): New.
4065         (Plugin::load): Add set_extra_library_path to the transfer vector.
4066         (Plugin_manager::set_extra_library_path): New.
4067         (Plugin_manager::add_input_file): Use the extra search path if set.
4068         (set_extra_library_path(): New.
4069         * plugin.h (Plugin_manager): Add set_extra_library_path and
4070         extra_search_path_.
4071
4072 2010-06-19  Cary Coutant  <ccoutant@google.com>
4073
4074         * layout.cc (gdb_sections): Add .debug_types.
4075         (lines_only_debug_sections): Likewise.
4076
4077 2010-06-18  Rafael Espindola  <espindola@google.com>
4078
4079         * plugin.cc (add_input_file,add_input_library)
4080         (Plugin_manager::add_input_file): Make filename arguments const.
4081         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4082         const.
4083
4084 2010-06-16  Doug Kwan  <dougkwan@google.com>
4085
4086         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4087         .ARM.attributes section if we have not merged any input
4088         attributes sections.
4089
4090 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4091
4092         * arm.cc: Allow combining objects with no EABI version
4093         information.
4094
4095 2010-06-15  Rafael Espindola  <espindola@google.com>
4096
4097         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4098
4099 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4100
4101         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4102         (struct iovec): Correct !HAVE_READV definition.
4103
4104 2010-06-10  Cary Coutant  <ccoutant@google.com>
4105
4106         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4107         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4108         reloc sections.
4109         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4110
4111         PR 11683
4112         * symtab.h (Symbol::is_placeholder): New member function.
4113         * target-reloc.h (relocate_section): Check for placeholder symbols.
4114
4115         * testsuite/Makefile.am (plugin_test_8): New test.
4116         (plugin_test_9): New test.
4117         * testsuite/Makefile.in: Regenerate.
4118
4119 2010-06-09  Nick Clifton  <nickc@redhat.com>
4120
4121         * yyscript.y (input_list_element): Allow strings prefixed with
4122         the '-' character.  Treat these as libraries.
4123         * script.cc (script_add_library): New function.  Adds a library
4124         specified by "-l<name>" found in an input script.
4125         * script-c.h: Add prototype for script_add_library.
4126
4127 2010-06-07  Doug Kwan  <dougkwan@google.com>
4128
4129         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4130         Restrict stub-group size to be within long conditional branch
4131         range when working around cortex-A8 erratum.
4132
4133 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4134
4135         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4136         #ifdef typo.
4137
4138 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4139
4140         PR gold/11658
4141         * output.cc
4142         (Output_section::Input_section_sort_entry::compare_section_ordering):
4143         Change to return non-zero correctly.
4144         (Output_section::Input_section_sort_section_order_index_compare
4145         ::operator()): Change to fix ambiguity in comparisons.
4146
4147 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4148
4149         * gold.h (is_wildcard_string): New function.
4150         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4151         (Layout::layout_eh_frame): Ditto.
4152         (Layout::find_section_order_index): New method.
4153         (Layout::read_layout_from_file): New method.
4154         * layout.h (Layout::find_section_order_index): New method.
4155         (Layout::read_layout_from_file): New method.
4156         (Layout::input_section_position_): New private member.
4157         (Layout::input_section_glob_): New private member.
4158         * main.cc (main): Call read_layout_from_file here.
4159         * options.h (--section-ordering-file): New option.
4160         * output.cc (Output_section::input_section_order_specified_): New
4161         member.
4162         (Output_section::Output_section): Initialize new member.
4163         (Output_section::add_input_section): Add new parameter.
4164         Keep input sections when --section-ordering-file is used.
4165         (Output_section::set_final_data_size): Sort input sections when
4166         section ordering file is specified.
4167         (Output_section::Input_section_sort_entry): Add new parameter.
4168         Check sorting type.
4169         (Output_section::Input_section_sort_entry::compare_section_ordering):
4170         New method.
4171         (Output_section::Input_section_sort_compare::operator()): Change to
4172         consider section_order_index.
4173         (Output_section::Input_section_sort_init_fini_compare::operator()):
4174         Change to consider section_order_index.
4175         (Output_section::Input_section_sort_section_order_index_compare
4176         ::operator()): New method.
4177         (Output_section::sort_attached_input_sections): Change to sort
4178         according to section order when specified.
4179         (Output_section::add_input_section<32, true>): Add new parameter.
4180         (Output_section::add_input_section<64, true>): Add new parameter.
4181         (Output_section::add_input_section<32, false>): Add new parameter.
4182         (Output_section::add_input_section<64, false>): Add new parameter.
4183         * output.h (Output_section::add_input_section): Add new parameter.
4184         (Output_section::input_section_order_specified): New
4185         method.
4186         (Output_section::set_input_section_order_specified): New method.
4187         (Input_section::Input_section): Initialize section_order_index_.
4188         (Input_section::section_order_index): New method.
4189         (Input_section::set_section_order_index): New method.
4190         (Input_section::section_order_index_): New member.
4191         (Input_section::Input_section_sort_section_order_index_compare): New
4192         struct.
4193         (Output_section::input_section_order_specified_): New member.
4194         * script-sections.cc (is_wildcard_string): Delete and move modified
4195         method to gold.h.
4196         (Output_section_element_input::Output_section_element_input): Modify
4197         call to is_wildcard_string.
4198         (Output_section_element_input::Input_section_pattern
4199         ::Input_section_pattern): Ditto.
4200         (Output_section_element_input::Output_section_element_input): Ditto.
4201         * testsuite/Makefile.am (final_layout): New test case.
4202         * testsuite/Makefile.in: Regenerate.
4203         * testsuite/final_layout.cc: New file.
4204         * testsuite/final_layout.sh: New file.
4205
4206 2010-06-01  Rafael Espindola  <espindola@google.com>
4207
4208         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4209
4210 2010-06-01  Rafael Espindola  <espindola@google.com>
4211
4212         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4213         visibility of symbols.
4214
4215 2010-05-27  Doug Kwan  <dougkwan@google.com>
4216
4217         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4218         from start of output section instead of address for a local symbol
4219         in a merged or relaxed section when doing a relocatable link.
4220
4221 2010-05-26  Rafael Espindola  <espindola@google.com>
4222
4223        PR 11604
4224         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4225         adding sections the garbage collector removed.
4226         * gold/testsuite/Makefile.am: Add test.
4227         * gold/testsuite/Makefile.in: Regenerate.
4228         * gold/testsuite/plugin_test_7.sh: New.
4229         * gold/testsuite/plugin_test_7_1.c: New.
4230         * gold/testsuite/plugin_test_7_2.c: New.
4231
4232 2010-05-26  Rafael Espindola  <espindola@google.com>
4233
4234         * script-sections.cc (Output_section_definition::set_section_addresses):
4235         Check for --section-start.
4236
4237 2010-05-26  Doug Kwan  <dougkwan@google.com>
4238
4239         * arm.cc (Arm_scan_relocatable_relocs): New class.
4240         (Target_arm::relocate_special_relocatable): New method.
4241         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4242         (Arm_relocate_functions::thumb_branch_common): Same.
4243         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4244         instead of Default_scan_relocatable_relocs.
4245         * target-reloc.h (relocate_for_relocatable): Let target handle
4246         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4247         * target.h (Sized_target::relocate_special_relocatable): New method.
4248
4249 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4250
4251         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4252
4253 2010-05-23  Doug Kwan  <dougkwan@google.com>
4254
4255         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4256         instead of a cast.
4257         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4258         with a direct branch, not a conditional branch, to a stub.
4259         * merge.cc (Output_merge_base::record_input_section): New method
4260         defintion.
4261         (Output_merge_data::do_add_input_section): Record input section if
4262         keeps-input-sections flag is set.
4263         (Output_merge_string::do_add_input_section): Ditto.
4264         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4265         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4266         INPUT_SECTIONS_.
4267         (Output_merge_base::keeps_input_sections,
4268         Output_merge_base::set_keeps_input_sections,
4269         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4270         method definitions.
4271         (Output_merge_base::Input_sections): New type declaration.
4272         (Output_merge_base::input_sections_begin,
4273         Output_merge_base::input_sections_end,
4274         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4275         (Output_merge_base::bool keeps_input_sections_,
4276         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4277         Output_merge_base::input_sections_): New data members.
4278         (Output_merge_data::do_set_keeps_input_sections): New method
4279         defintion.
4280         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4281         * output.cc (Output_section::Input_section::relobj): Move method
4282         defintion from class declaration to here and handle merge sections.
4283         (Output_section::Input_section::shndx): Ditto.
4284         (Output_section::Output_section): Remove initializations of removed
4285         data members and initialize new data member LOOKUP_MAPS_.
4286         (Output_section::add_input_section): Set keeps-input-sections flag
4287         for a newly created merge output section as appropriate.  Adjust code
4288         to use Output_section_lookup_maps class.
4289         (Output_section::add_relaxed_input_section): Adjst code for lookup
4290         maps code refactoring.
4291         (Output_section::add_merge_input_section): Add a new parameter
4292         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4293         class.  If adding input section to a newly created merge output
4294         section fails, remove the new merge section.
4295         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4296         Adjust code for use of the Output_section_lookup_maps class.
4297         (Output_section::find_merge_section): Ditto.
4298         (Output_section::build_lookup_maps): New method defintion.
4299         (Output_section::find_relaxed_input_section): Adjust code to use
4300         Output_section_lookup_maps class.
4301         (Output_section::get_input_sections): Export merge sections.  Adjust
4302         code to use Output_section_lookup_maps class.
4303         (Output_section:::add_script_input_section): Adjust code to use
4304         Output_section_lookup_maps class.  Update lookup maps for merge
4305         sections also.
4306         (Output_section::discard_states): Use Output_section_lookup_maps.
4307         (Output_section::restore_states): Same.
4308         * output.h (Merge_section_properties): Move class defintion out of
4309         Output_section.
4310         (Output_section_lookup_maps): New class.
4311         (Output_section::Input_section::is_merge_section): New method
4312         defintion.
4313         (Output_section::Input_section::relobj): Move defintion out of class
4314         defintion.  Declare method only.
4315         (Output_section::Input_section::shndx): Ditto.
4316         (Output_section::Input_section::output_merge_base): New method defintion.
4317         (Output_section::Input_section::u2_.pomb): New union field.
4318         (Output_section::Merge_section_by_properties_map,
4319         Output_section::Output_section_data_by_input_section_map,
4320         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4321         Remove types.
4322         (Output_section::add_merge_input_section): Add new parameter
4323         KEEPS_INPUT_SECTIONS.
4324         (Output_section::build_lookup_maps): New method declaration.
4325         (Output_section::merge_section_map_,
4326         Output_section::merge_section_by_properties_map_,
4327         Output_section::relaxed_input_section_map_,
4328         Output_section::is_relaxed_input_section_map_valid_): Remove data
4329         members.
4330         (Output_section::lookup_maps_): New data member.
4331
4332 2010-05-21  Doug Kwan  <dougkwan@google.com>
4333
4334         PR gold/11619
4335         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4336         avoid a compilation error.
4337
4338 2010-05-19  Rafael Espindola  <espindola@google.com>
4339
4340         * script-sections.cc (Output_section_definition::allocate_to_segment):
4341         Update the phdrs_list even when the output section is NULL.
4342         * testsuite/Makefile.am: Add test.
4343         * testsuite/Makefile.in: Regenerate.
4344         * testsuite/script_test_9.cc: New.
4345         * testsuite/script_test_9.sh: New.
4346         * testsuite/script_test_9.t: New.
4347
4348 2010-05-19  Doug Kwan  <dougkwan@google.com>
4349
4350         * arm.cc (Arm_input_section::original_size): New method.
4351         (Arm_input_section::do_addralign): Add a cast.
4352         (Arm_input_section::do_output_offset): Remove static cast.
4353         (Arm_input_section::original_addralign,
4354          Arm_input_section::original_size_): Change type to uint32_t.
4355         (Arm_input_section::init): Add safe casts for section alignment
4356         and size.
4357         (Arm_input_section::set_final_data_size): Do not set address and
4358         offset of stub table.
4359         (Arm_output_section::fix_exidx_coverage): Change use of of
4360         Output_section::Simple_input_section to that of
4361         Output_section::Input_section.
4362         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4363         except for the first pass.
4364         * output.cc (Output_section::get_input_sections): Change type of
4365         input_sections to std::list<Input_section>.
4366         (Output_section::add_script_input_section): Rename from
4367         Output_section::add_simple_input_section.  Change type of SIS
4368         parameter from Simple_input_section to Input_section.
4369         * output.h (Output_section::Simple_input_section): Remove class.
4370         (Output_section::Input_section): Change class visibility to public.
4371         (Output_section::Input_section::addralign): Use stored alignments
4372         for special input sections if set.
4373         (Output_section::Input_section::set_addralign): New method.
4374         (Output_section::get_input_sections): Change parameter type from
4375         list of Simple_input_section to list of Input_section.
4376         (Output_section::add_script_input_section): Rename from
4377         Output_section::add_simple_input_section. Change first parameter's
4378         type from Simple_input_section to Input_section and remove the
4379         second and third parameters.
4380         * script-sections.cc (Input_section::Input_section_list): Change
4381         type to list of Output_section::Input_section/
4382         (Input_section_info::Input_section_info): Change parameter type of
4383         INPUT_SECTION to Output_section::Input_section.
4384         (Input_section_info::input_section): Change return type.
4385         (Input_section_info::input_section_): Change type to
4386         Output_section::Input_section.
4387         (Output_section_element_input::set_section_addresses): Adjust code
4388         to use Output_section::Input_section instead of
4389         Output_section::Simple_input_section.  Adjust code for renaming
4390         of Output_section::add_simple_input_section.
4391         (Orphan_output_section::set_section_addresses): Ditto.
4392
4393 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4394
4395         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4396         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4397
4398 2010-05-18  Rafael Espindola  <espindola@google.com>
4399
4400         * options.cc (General_options::finalize): Handle -nostdlib.
4401         * options.h (nostdlib): New option.
4402         * script.cc (script_add_search_dir): Handle -nostdlib.
4403
4404 2010-05-12  Doug Kwan  <dougkwan@google.com>
4405
4406         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4407         attributes section only if there no attributes section after merging.
4408         (Target_arm::merge_object_attributes): Move value of
4409         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4410         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4411         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4412         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4413         and arm_attr_merge_7.stdout.
4414         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4415         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4416         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4417         arm_attr_merge_7b.o): New rules.
4418         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4419         arm_attr_merge_7
4420         * testsuite/Makefile.in: Regenerate.
4421         * testsuite/arm_attr_merge.sh: New file.
4422         * testsuite/arm_attr_merge_[67][ab].s: Same.
4423
4424 2010-05-05  Nick Clifton  <nickc@redhat.com>
4425
4426         * po/es.po: Updated Spanish translation.
4427
4428 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4429
4430         * Makefile.am (install-exec-local): Properly install gold as
4431         default cross linker.
4432         * Makefile.in: Regenerated.
4433
4434 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4435             Nick Clifton  <nickc@redhat.com>
4436
4437         * configure.ac (install_as_default): Define and set to false
4438         unless --enable-gold or --enable-gold=both/gold has been
4439         specified.
4440         * configure: Regenerate.
4441
4442         * Makefile.am (install-exec-local): Install the executable as
4443         'ld.gold'.  If install_as_default is true then also install it as
4444         'ld'.
4445         * Makefile.in: Regenerated.
4446
4447 2010-04-24  Ian Lance Taylor  <iant@google.com>
4448
4449         * layout.cc (Layout::layout_reloc): In relocatable link don't
4450         combine reloc sections for grouped sections.
4451
4452 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4453
4454         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4455         sections that are not ordinary to icf.
4456         * icf.cc (get_section_contents): Handle relocation pointing to section
4457         with no object or shndx information.
4458         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4459         * testsuite/Makefile.in: Regenerate.
4460         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4461         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4462
4463 2010-04-22  Ian Lance Taylor  <iant@google.com>
4464
4465         * expression.cc (Expression::Expression_eval_info): Add
4466         result_alignment_pointer field.
4467         (Expression::eval_with_dot): Add result_alignment_pointer
4468         parameter.  Change all callers.
4469         (Expression::eval_maybe_dot): Likewise.
4470         (class Binary_expression): Add alignment_pointer parameter to
4471         left_value and right_value.  Change all callers.
4472         (BINARY_EXPRESSION): Set result alignment.
4473         (class Trinary_expression): Add alignment_pointer parameter to
4474         arg2_value and arg3_value.  Change all callers.
4475         (Trinary_cond::value): Set result alignment.
4476         (Max_expression::value, Min_expression::value): Likewise.
4477         (Align_expression::value): Likewise.
4478         * script-sections.cc (class Sections_element): Add dot_alignment
4479         parameter to set_section_addresses virtual function.  Update
4480         instantiations.
4481         (class Output_section_element): Likewise.
4482         (Script_sections::create_segments): Add dot_alignment parameter.
4483         Change all callers.
4484         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4485         (Script_sections::set_phdrs_clause_addresses): Likewise.
4486         * script-sections.h: Update declarations.
4487         * script.h: Update declarations.
4488         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4489         min_p_align.
4490         * testsuite/script_test_3.t: Set large alignment.
4491         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4492         segment has expected alignment.
4493
4494 2010-04-22  Nick Clifton  <nickc@redhat.com>
4495
4496         * po/gold.pot: Updated by the Translation project.
4497         * po/vi.po: Updated Vietnamese translation.
4498
4499 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4500
4501         * testsuite/Makefile.am (check_PROGRAMS): Add
4502         icf_virtual_function_folding_test.
4503         * testsuite/Makefile.in: Regenerated.
4504
4505 2010-04-15  Andrew Haley  <aph@redhat.com>
4506
4507         * options.h (merge_exidx_entries): New option.
4508         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4509         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4510         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4511         (Target_arm::merge_exidx_entries): New function.
4512         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4513         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4514         to Arm_exidx_fixup constructor.
4515         Add new arg, merge_exidx_entries.
4516         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4517         Arm_output_section::fix_exidx_coverage.
4518
4519 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4520
4521         * icf.cc (get_section_contents): Check for preemptible functions.
4522         Ignore addend when appropriate.
4523         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4524         section folded.
4525         (add_from_relobj): Check for section folded.
4526         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4527         * symtab.h (should_add_dynsym_entry): Add new parameter.
4528         * target-reloc.h (scan_relocs): Check for section folded.
4529         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4530         Check reloc types for function pointers in shared objects.
4531         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4532         case.
4533         (icf_preemptible_functions_test): New test case.
4534         (icf_string_merge_test): New test case.
4535         * testsuite.Makefile.in: Regenerate.
4536         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4537         bar_glob.  Refactor code.
4538         * testsuite/icf_preemptible_functions_test.cc: New file.
4539         * testsuite/icf_preemptible_functions_test.sh: New file.
4540         * testsuite/icf_string_merge_test.cc: New file.
4541         * testsuite/icf_string_merge_test.sh: New file.
4542         * testsuite/icf_virtual_function_folding_test.cc: New file.
4543         * testsuite/icf_virtual_function_folding_test.sh: New file.
4544
4545 2010-04-14  Doug Kwan  <dougkwan@google.com>
4546
4547         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4548         for local symbol recounting if we remove a section due to ICF.
4549         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4550         there are no regular objects in input.
4551
4552 2010-04-13  Doug Kwan  <dougkwan@google.com>
4553
4554         * arm.cc (Arm_input_section::set_final_data_size): Compute
4555         accurate final data size instead of using current data size.
4556
4557 2010-04-09  Doug Kwan  <dougkwan@google.com>
4558
4559         * layout.cc (Layout::choose_output_section): Handle script section
4560         types.
4561         (Layout::make_output_section_for_script): Add section type parameter.
4562         Handle script section types.
4563         * layout.h (Layout::make_output_section_for_script): Add section
4564         type parameter.
4565         * output.cc (Output_section::Output_section): Initialize data member
4566         is_noload_.
4567         (Output_section::do_reset_address_and_file_offset): Do not set address
4568         to 0 if section is a NOLOAD section.
4569         * output.h (Output_section::is_noload): New method.
4570         (Output_section::set_is_noload): Ditto.
4571         (Output_section::is_noload_): New data member.
4572         * script-c.h (Script_section_type): New enum type.
4573         (struct Parser_output_section_header): Add new file section_type.
4574         * script-sections.cc (Sections_element::output_section_name): Add
4575         parameter for returning script section type.
4576         (Output_section_definition::output_section_name): Ditto.
4577         (Output_section_definition::section_type)P; New method.
4578         (Output_section_definiton::script_section_type_name): Ditto.
4579         (Output_section_definition::script_section_type_): New data member.
4580         (Output_section_definition::Output_section_definition): Initialize
4581         data member Output_section_definition::script_section_type_.
4582         (Output_section_definition::create_sections): Pass script section type
4583         to Layout::make_output_section_for_script.
4584         (Output_section_definition::output_section_name): Return script
4585         section type to caller.
4586         (Output_section_definition::set_section_address): Do not advance
4587         dot value and load address if section type is NOLOAD.  Set address
4588         of NOLOAD sections regardless of section flags.
4589         (Output_section_definition::print): Print section type if it is
4590         not SCRIPT_SECTION_TYPE_NONE.
4591         (Output_section_definition::section_type): New method.
4592         (Output_section_definition::script_section_type_name): Ditto.
4593         (Script_sections::output_section_name): Add new parameter
4594         PSECTION_TYPE for returning script section type.  Pass it to
4595         section elements.  Handle discard sections.
4596         (Sort_output_sections::operator()): Handle NOLOAD sections.
4597         * script-sections.h (Script_sections::Section_type): New enum type.
4598         (Script_sections::output_section_name): Add a new parameter for
4599         returning script section type.
4600         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4601         INFO and NOLOAD.
4602         * yyscript.y (union): Add new field SECTION_TYPE.
4603         (COPY, DSECT, INFO, NOLOAD): New tokens.
4604         (opt_address_and_section_type): Change type to output_section_header.
4605         (section_type): New non-terminal
4606         (section_header): Handle section type.
4607         (opt_address_and_section_type): Return section type value.
4608
4609 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4610
4611         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4612         * testsuite/plugin_common_test_2.c (foo): Likewise.
4613
4614 2010-04-08  Doug Kwan  <dougkwan@google.com>
4615
4616         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4617         Output_merge_data.
4618         * output.cc (Output_section::add_merge_input_section): Simplify
4619         code and return status of Output_merge_base::add_input_section.
4620         Update merge section map only if Output_merge_base::add_input_section
4621         returns true.
4622
4623 2010-04-07  Doug Kwan  <dougkwan@google.com>
4624
4625         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4626         if section is marked as containing instructions but has no mapping
4627         symbols.
4628         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4629         correct section index.
4630         (Arm_relobj::find_linked_text_section): Ditto.
4631
4632 2010-04-07  Cary Coutant  <ccoutant@google.com>
4633
4634         * archive.cc (include_member): Destroy Read_symbols_data object before
4635         releasing file.
4636         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4637         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4638         (Read_symbols_data::~Read_symbols_data) New destructor.
4639         (Section_relocs::Section_relocs) New constructor.
4640         (Section_relocs::~Section_relocs) New destructor.
4641         (Read_relocs_data::Read_relocs_data) New constructor.
4642         (Read_relocs_data::~Read_relocs_data) New destructor.
4643         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4644         pointers to NULL after deleting.
4645
4646 2010-04-07  Doug Kwan  <dougkwan@google.com>
4647
4648         * arm.cc: Replace "endianity" with "endianness" in comments.
4649         (Arm_exidx_cantunwind): Ditto.
4650         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4651         (Arm_relobj::merge_flags_and_attributes): New method.
4652         (Arm_relobj::merge_flags_and_attributes_): New data member.
4653         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4654         (Arm_relobj::scan_sections_for_stubs): Ditto.
4655         (Arm_relobj::do_read_symbols): Check to see if we really want to
4656         merge processor-specific flags and attributes.  Exit early if
4657         an object is empty except for section names and the undefined symbol.
4658         (Target_arm::do_finalize_sections): Move check for ELF format to
4659         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4660         attributes from a regular object only when we have determined that
4661         it is aapropriate.  Do not create an .ARM.attributes section in
4662         output if there is no regular input object.
4663         (Target_arm::merge_processor_specific_flags): Check
4664         --warn-mismatch before printing any error.
4665         (Target_arm::merge_object_attributes): Ditto.
4666         * gold.cc (queue_middle_tasks): Handle the case in which there is
4667         no regular object in input.
4668         * options.cc (General_options::parse_EB): New method.
4669         (General_options::parse_EL): Same.
4670         (General_options::General_options): Initialize endianness_.
4671         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4672         New options.
4673         (General_options::Endianness): New enum.
4674         (General_options::endianness): New method.
4675         (General_options::endianness_): New data member.
4676         * parameters.cc (Parameters::set_options): Check target endianness.
4677         (Parameters::set_target_once): Ditto.
4678         (Parameters::check_target_endianness): New method.
4679         (parameters_force_valid_target): If either -EL or -EB is specified,
4680         use it to define endianness of default target.
4681         * parameters.h (Parameters::check_target_endianness): New method
4682         declaration.
4683         * target.h (class Target): Change "endianity" to "endianness"
4684         in comments.
4685
4686 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4687
4688         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4689         * configure: Regenerate.
4690         * Makefile.in: Regenerate.
4691         * testsuite/Makefile.in: Regenerate.
4692
4693 2010-04-06  Cary Coutant  <ccoutant@google.com>
4694
4695         gcc PR lto/42757
4696         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4697         prevailing definitions of common symbols.
4698         * testsuite/plugin_test_6.sh: New test case.
4699         * testsuite/plugin_common_test_1.c: New test case.
4700         * testsuite/plugin_common_test_2.c: New test case.
4701         * testsuite/Makefile.am (plugin_test_6): New test case.
4702         * testsuite/Makefile.in: Regenerate.
4703
4704 2010-04-06  Nick Clifton  <nickc@redhat.com>
4705
4706         * po/vi.po: New Vietnamese translation.
4707
4708 2010-03-30  Doug Kwan  <dougkwan@google.com>
4709
4710         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4711
4712 2010-03-25  Doug Kwan  <dougkwan@google.com>
4713
4714         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4715         to avoid a conversion warning on a 32-bit host.
4716
4717 2010-03-24  Ian Lance Taylor  <iant@google.com>
4718
4719         * testsuite/script_test_3.t: Add a TLS segment.
4720         * testsuite/Makefile.am (check_PROGRAMS): Add
4721         tls_phdrs_script_test.
4722         (tls_phdrs_script_test_SOURCES): Define.
4723         (tls_phdrs_script_test_DEPENDENCIES): Define.
4724         (tls_phdrs_script_test_LDFLAGS): Define.
4725         (tls_phdrs_script_test_LDADD): Define.
4726         * testsuite/Makefile.in: Rebuild.
4727
4728 2010-03-23  Cary Coutant  <ccoutant@google.com>
4729
4730         * fileread.cc (find_or_make_view): Fix comment.
4731
4732 2010-03-23  Ian Lance Taylor  <iant@google.com>
4733
4734         * script-sections.cc (class Orphan_section_placement): Define
4735         PLACE_TLS and PLACE_TLS_BSS.
4736         (Orphan_section_placement::Orphan_section_placement): Initialize
4737         new places.
4738         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4739         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4740         (tls_script_test_SOURCES): Define.
4741         (tls_script_test_DEPENDENCIES): Define.
4742         (tls_script_test_LDFLAGS): Define.
4743         (tls_script_test_LDADD): Define.
4744         * testsuite/Makefile.in: Rebuild.
4745
4746 2010-03-22  Doug Kwan  <dougkwan@google.com>
4747
4748         * arm.cc (Arm_relocate_functions::abs8,
4749         Arm_relocate_functions::abs16): Use correct check for overflow
4750         specified in the ARM ELF specs.
4751         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4752         target of a BLX instruction specially.
4753         (Reloc_stub::stub_type_for_reloc): Ditto.
4754         (Relocate::relocate): Use symbolic names instead of numeric relocation
4755         codes to report error.
4756         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4757         workaround.
4758         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4759         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4760         thumb2_blx_out_of_range.stdout
4761         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4762         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4763         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4764         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4765         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4766         thumb2_blx_in_range, thumb2_blx_in_range.o,
4767         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4768         thumb2_blx_out_of_range.o): New rules.
4769         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4770         thumb2_blx_in_range and thumb2_blx_out_of_range.
4771         * testsuite/Makefile.in: Regenerate.
4772         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4773         * testsuite/thumb_blx_in_range.s: New file.
4774         * testsuite/thumb_blx_out_of_range.s: New file.
4775
4776 2010-03-22  Rafael Espindola  <espindola@google.com>
4777
4778         * archive.cc (Should_include): Move to archive.h.
4779         (should_include_member): Make it a member of Archive.
4780         (Lib_group): New.
4781         (Add_lib_group_symbols): New.
4782         * archive.h: Include options.h.
4783         (Archive_member): Moved from Archive.
4784         (Should_include): Moved from archive.cc.
4785         (Lib_group): New.
4786         (Add_lib_group_symbols): New.
4787         * dynobj.cc (do_should_include_member): New.
4788         * dynobj.h (do_should_include_member): New.
4789         * gold.cc (queue_initial_tasks): Update call to queue.
4790         * main.cc (main): Print lib group stats.
4791         * object.cc (do_should_include_member): New.
4792         * object.h: Include archive.h.
4793         (Object::should_include_member): New.
4794         (Object::do_should_include_member): New.
4795         (Sized_relobj::do_should_include_member): New.
4796         * options.cc (General_options::parse_start_lib): New.
4797         (General_options::parse_end_lib): New.
4798         (Input_arguments::add_file): Handle lib groups.
4799         (Input_arguments::start_group): Check we are not in a lib.
4800         (Input_arguments::start_lib): New.
4801         (Input_arguments::end_lib): New.
4802         * options.h (General_options): Add start_lib and end_lib.
4803         (Input_argument::lib_): New.
4804         (Input_argument::lib): New.
4805         (Input_argument::is_lib): New.
4806         (Input_file_lib): New.
4807         (Input_arguments::in_lib_): New.
4808         (Input_arguments::in_lib): New.
4809         (Input_arguments::start_lib): New.
4810         (Input_arguments::end_lib_): New.
4811         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4812         in unused members as preempted.
4813         (Sized_pluginobj::do_should_include_member): New.
4814         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4815         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4816         return the blocker.
4817         (Read_symbols::do_whole_lib_group): New.
4818         (Read_symbols::do_lib_group): New.
4819         (Read_symbols::do_read_symbols): Handle lib groups.
4820         (Read_symbols::get_name): Handle lib groups.
4821         * readsyms.h (Read_symbols): Add an archive member pointer.
4822         (Read_symbols::do_whole_lib_group): New.
4823         (Read_symbols::do_lib_group): New.
4824         (Read_symbols::member_): New.
4825         * script.cc (read_input_script): Update call to queue_soon.
4826
4827 2010-03-19  Doug Kwan  <dougkwan@google.com>
4828
4829         * arm.cc (Stub_table::Stub_table): Initialize new data members
4830         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4831         (Stub_table::add_reloc_stub): Assign stub offset and update
4832         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4833         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4834         New data members.
4835         (Stub_table::update_data_size_and_addralign): Use
4836         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4837         instead of going over all reloc stubs.
4838         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4839         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4840         Stringpool_template::offset_ to size of Stringpool_char.
4841         (Stringpool_template::new_key_offset): Remove code to initialize
4842         Stringpool_template::offset_.
4843         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4844         Stringpool_template::offset_ to zero.
4845
4846 2010-03-15  Doug Kwan  <dougkwan@google.com>
4847
4848         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4849         offset_.
4850         (Stringpool_template::new_key_offset): New method.
4851         (Stringpool_template::add_string): Assign offsets when adding new
4852         strings.
4853         (Stringpool_template::set_string_offsets): Do not set string offsets
4854         when not optimizing.
4855         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4856         member size_.
4857         (Chunked_vector::clear): Clear size_.
4858         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4859         (Chunked_vector::size): Return size_.
4860         (Chunked_vector::push_back): Use size_ to find insert position.
4861         (Chunked_vector::size_): New data member.
4862         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4863         (Stringpool_template::new_key_offset): New method declaration.
4864         (Stringpool_template::offset_): New data member.
4865
4866 2010-03-15   Rafael Espindola  <espindola@google.com>
4867
4868         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4869         Add_symbols' constructor.
4870         * readsyms.h (Add_symbols): Remove the input_group member.
4871
4872 2010-03-10  Ian Lance Taylor  <iant@google.com>
4873
4874         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4875         target to ask whether a reference to a symbol requires a stack
4876         split.
4877         * target.h (Target::is_call_to_non_split): New function.
4878         (Target::do_is_call_to_non_split): Declare virtual function.
4879         * target.cc: Include "symtab.h".
4880         (Target::do_is_call_to_non_split): New function.
4881         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4882
4883 2010-03-10  Cary Coutant  <ccoutant@google.com>
4884
4885         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4886         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4887         (File_read::open[2]): Add whole_file_view_ to list of views.
4888         (File_read::make_view): Remove test of whole_file_view_.
4889         (File_read::find_or_make_view): Create whole_file_view_ if
4890         necessary.
4891         (File_read::clear_views): Replace bool parameter with enum;
4892         adjust all callers.  Don't delete views with permanent data;
4893         do delete cached views and views from archives if
4894         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4895         if clearing the corresponding view.
4896         * fileread.h (File_read::Clear_views_mode): New enum.
4897         (File_read::View::is_permanent_view): New method.
4898         (File_read::clear_views): Replace bool parameter
4899         with enum; adjust all callers.
4900         * options.h (General_options): Change keep_files_mapped option;
4901         add map_whole_files.
4902         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4903         releasing the file.
4904         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4905         the file.
4906
4907 2010-03-10  David S. Miller  <davem@davemloft.net>
4908
4909         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4910
4911 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4912
4913         * icf.cc (get_section_contents): Add '@' marker after processing the
4914         merge reloc.
4915
4916 2010-03-08  Doug Kwan  <dougkwan@google.com>
4917
4918         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4919         due to a conversion warning.
4920         (Arm_relobj::update_output_local_symbol_count): Check for local
4921         symbol with unset output index.
4922
4923 2010-03-05  Ian Lance Taylor  <iant@google.com>
4924
4925         * options.h (class General_options): Add --spare-dynamic-tags.
4926         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4927         --spare-dynamic-tags.
4928
4929 2010-03-05  Ian Lance Taylor  <iant@google.com>
4930
4931         * incremental.cc: Include "libiberty.h".
4932
4933 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4934
4935         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4936         function, is_info_ member.
4937         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4938         (Versions::Versions): Update caller.
4939         (Versions::define_base_version): Likewise.
4940         (Versions::add_def): Likewise.
4941
4942 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4943
4944         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4945         (Scan::possible_function_pointer_reloc): New function.
4946         (Scan::local_reloc_may_be_function_pointer): Change to call
4947         possible_function_pointer_reloc.
4948         (Scan::global_reloc_may_be_function_pointer): Ditto.
4949         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4950         relocations in ".data.rel.ro._ZTV" section.
4951         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4952         * testsuite/icf_safe_so_test.cc: Ditto.
4953         * testsuite/icf_safe_test.cc: Ditto.
4954         * testsuite/icf_safe_test.sh: Ditto.
4955
4956 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4957             Ian Lance Taylor  <iant@google.com>
4958
4959         * target-reloc.h (relocate_section): Check the symbol table index
4960         for -1U before setting the local symbol index.
4961         (scan_relocatable_relocs): If copying the relocation, record that
4962         the local symbol is required.
4963         * object.h (Symbol_value::is_output_symtab_index_set): New
4964         function.
4965         (Symbol_value::may_be_discarded_from_output_symtab): New
4966         function.
4967         (Symbol_value::has_output_symtab_entry): New function.
4968         (Symbol_value::needs_output_symtab_entry): Remove.
4969         (Symbol_value::output_symtab_index): Make sure the symbol index is
4970         set.
4971         (Symbol_value::set_output_symtab_index): Make sure the symbol
4972         index is not set.  Make sure the new index is valid.
4973         (Symbol_value::set_must_have_output_symtab_entry): New function.
4974         (Symbol_value::has_output_dynsym_entry): New function.
4975         (Symbol_value::set_output_dynsym_index): Make sure the new index
4976         is valid.
4977         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4978         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4979         local symbol if permitted.
4980         (Sized_relobj::do_finalize_local_symbols): Call
4981         is_output_symtab_index_set rather than needs_output_symtab_entry.
4982         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4983         rather than needs_output_symtab_entry.  Call
4984         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4985         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4986         is_output_symtab_index_set rather than needs_output_symtab_entry.
4987         * testsuite/discard_locals_relocatable_test.c: New file.
4988         * testsuite/discard_locals_test.sh: Test -r.
4989         * testsuite/Makefile.am (check_DATA): Add
4990         discard_locals_relocatable_test1.syms,
4991         discard_local_relocatable_test2.syms.
4992         (MOSTLYCLEANFILES): Likewise.  Also add
4993         discard_locals_relocatable_test1.lout and
4994         discard_locals_relocatable_test2.out.
4995         (discard_locals_relocatable_test1.syms): New target.
4996         (discard_locals_relocatable_test.o): New target.
4997         (discard_locals_relocatable_test1.out): New target.
4998         (discard_locals_relocatable_test2.syms): New target.
4999         (discard_locals_relocatable_test2.out): New target.
5000         (various): Add missing ../ld-new dependencies.
5001         * testsuite/Makefile.in: Rebuild.
5002
5003 2010-03-03  Nick Clifton  <nickc@redhat.com>
5004
5005         * po/fi.po: New Finnish translation.
5006
5007 2010-03-01  Doug Kwan  <dougkwan@google.com>
5008
5009         * layout.cc (Layout::Layout): Force section types of .init_array*,
5010         .preinit_array* and .fini_array* sections.
5011         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5012         Fix check of return value of std::string::find.().
5013         (Output_section::Input_section_sort_compare::operator()): Remove
5014         comment about .init_array.
5015         (Output_section::Input_section_sort_init_fini_compare::operator()):
5016         New method.
5017         (Output_section::sort_attached_input_sections): Handle .init_array
5018         and .fini_array specially.
5019         * output.h (Output_section::Inut_section_sort_compare): Update
5020         comment.
5021         (Output_section::Input_section_sort_init_fini_compare): New struct.
5022
5023 2010-02-26  Doug Kwan  <dougkwan@google.com>
5024
5025         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5026         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5027         * testsuite/debug_msg.sh: Avoid matching source line number for
5028         use of global variable undef_int.
5029
5030 2010-02-26  Doug Kwan  <dougkwan@google.com>
5031
5032         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5033         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5034         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5035         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5036         * options.cc (General_options::General_options): Initialize member
5037         fix_v4bx_.
5038         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5039         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5040         and rm_no_fix_v4bx.stdout
5041         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5042         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5043         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5044         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5045         and arm_no_fix_v4bx.
5046         * Makefile.in: Regenerate.
5047         * testsuite/arm_fix_v4bx.s: New file.
5048         * testsuite/arm_fix_v4bx.sh: Ditto.
5049
5050 2010-02-24  Doug Kwan  <dougkwan@google.com>
5051
5052         * arm.cc (Target_arm::got_section): Make the .got section the first
5053         non RELRO section in the data segment.
5054         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5055         suffixes of section names.
5056
5057 2010-02-24  Doug Kwan  <dougkwan@google.com>
5058
5059         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5060         flags and attributes merging if an input file is a binary file.
5061         * fileread.cc (Input_file::open): Record format of original file.
5062         * fileread.h (Input_file::Format): New enum type.
5063         (Input_file::Input_file): Initialize data member format_.
5064         (Input_file::format): New method definition.
5065         (Input_file::format_):: New data member.
5066
5067 2010-02-24  Doug Kwan  <dougkwan@google.com>
5068
5069         * arm.cc (Arm_output_data_got): New class.
5070         (ARM_TCB_SIZE): New constant
5071         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5072         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5073         If user uses a script with a SECTIONS clause, issue only a warning
5074         for a misplaced EXIDX input section.  Otherwise, issue an error.
5075         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5076         garbage collection.
5077         (Target_arm::got_mode_index_entry): Handle static linking.
5078         (Target_arm::Scan::local): Ditto.
5079         (Target_arm::Scan::global): Ditto.
5080         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5081         all incorrectly implemented relocations.
5082         (Target_arm::fix_exidx_coverage): Pass layout to
5083         Arm_output_section::fix_exidx_coverage.
5084         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5085         from ".ARM.exidx." and ".ARM.extab.".
5086
5087 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5088
5089         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5090         section if it does not already exist.
5091         * attributes.cc (Attributes_section_data::Attributes_section_data):
5092         Don't crash if size is zero.
5093
5094 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5095             Ian Lance Taylor  <iant@google.com>
5096
5097         * gold.cc (queue_middle_tasks): If no input files were opened,
5098         exit.
5099         * workqueue.h (Task_function::Task_function): Assert that there is
5100         a blocker.
5101
5102 2010-02-22  Doug Kwan  <dougkwan@google.com>
5103
5104         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5105         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5106         types to avoid warnings due to different uint64_t implementations
5107         on different hosts.
5108
5109 2010-02-21  Doug Kwan  <dougkwan@google.com>
5110
5111         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5112         handling of the maximum backward branch offset.
5113         (Arm_relocate_functions::thumb_branch_common): Ditto.
5114         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5115         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5116         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5117         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5118         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5119         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5120         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5121         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5122         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5123         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5124         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5125         thumb2_bl_out_of_range.o): New rules.
5126         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5127         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5128         thumb2_bl_out_of_range
5129         * testsuite/Makefile.in: Regenerate.
5130         * testsuite/arm_bl_in_range.s: New file.
5131         * testsuite/arm_bl_out_of_range.s: Ditto.
5132         * testsuite/arm_branch_in_range.sh: Ditto.
5133         * testsuite/arm_branch_range.t: Ditto.
5134         * testsuite/thumb2_branch_range.t: Ditto.
5135         * testsuite/thumb_bl_in_range.s: Ditto.
5136         * testsuite/thumb_bl_out_of_range.s: Ditto.
5137         * testsuite/thumb_branch_range.t: Ditto.
5138
5139 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5140
5141         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5142         Add reloc offset information.
5143         * icf.cc (get_section_contents): Change iterators to point to the new
5144         vectors. Add reloc offset information to the contents.
5145         * icf.h (Icf::Sections_reachable_info): New typedef.
5146         (Icf::Sections_reachable_list): New typedef.
5147         (Icf::Offset_info): New typedef.
5148         (Icf::Reloc_info): New struct typedef.
5149         (Icf::Reloc_info_list): New typedef.
5150         (Icf::symbol_reloc_list): Delete method.
5151         (Icf::addend_reloc_list): Delete method.
5152         (Icf::section_reloc_list): Delete method.
5153         (Icf::reloc_info_list): New method.
5154         (Icf::reloc_info_list_): New member.
5155
5156 2010-02-19  Doug Kwan  <dougkwan@google.com>
5157
5158         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5159         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5160         * arm.cc (Arm_relocation_functions): New forward declaration.
5161         (Target_arm::Target_arm): Initialize new data members
5162         got_mod_index_offset_ and tls_base_symbol_defined_.
5163         (Target_arm::Relocate::relocate_tls): New method.
5164         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5165          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5166         New methods.
5167         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5168         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5169         (Target_arm::got_mod_index_offset_,
5170         Target_arm::tls_base_symbol_defined_): New data members.
5171         (Target_arm::Scan::local, Target::Scan::global,
5172         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5173         relocations.
5174
5175 2010-02-18  Doug Kwan  <dougkwan@google.com>
5176
5177         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5178         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5179         text section as a parameter becuase some broken tools may not set
5180         the link in section header.
5181         (Target_arm::has_got_section): New method.
5182         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5183         without any mapping symbol as data only.  Remove warning.
5184         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5185         link in its section header, try to discover the link by inspecting the
5186         REL31 relocation at the beginning of the section.
5187         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5188         in error message.
5189         (Target_arm::Scan::global): Treat any reference to the symbol
5190         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5191
5192 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5193
5194         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5195         (Scan::global_reloc_may_be_function_pointer): New function.
5196         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5197         (Scan::global_reloc_may_be_function_pointer): New function.
5198         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5199         (Scan::global_reloc_may_be_function_pointer): New function.
5200         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5201         (Scan::global_reloc_may_be_function_pointer): New function.
5202         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5203         (Scan::global_reloc_may_be_function_pointer): New function.
5204         (Scan::possible_function_pointer_reloc): New function.
5205         (Target_x86_64::can_check_for_function_pointers): New function.
5206         * gc.h (gc_process_relocs): Scan relocation types to determine if
5207         function pointers were taken for targets that support it.
5208         * icf.cc (Icf::find_identical_sections): Include functions for
5209         folding in safe ICF whose pointer is not taken.
5210         * icf.h (Secn_fptr_taken_set): New typedef.
5211         (fptr_section_id_): New member.
5212         (section_has_function_pointers): New function.
5213         (set_section_has_function_pointers): New function.
5214         (check_section_for_function_pointers): New function.
5215         * options.h: Fix comment for safe ICF option.
5216         * target.h (can_check_for_function_pointers): New function.
5217         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5218         Modify icf_safe_test for X86-64.
5219         * testsuite/Makefile.in: Regenerate.
5220         * testsuite/icf_safe_so_test.cc: New file.
5221         * testsuite/icf_safe_so_test.sh: New file.
5222         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5223         (main): Change to take pointer to function kept_func_3.
5224         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5225         folding is done correctly for X86-64.
5226
5227 2010-02-12  David S. Miller  <davem@davemloft.net>
5228
5229         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5230         is_symbolless parameter.
5231         (Output_reloc<SHT_REL>::is_symbolless): New.
5232         (Output_reloc<SHT_REL>::is_symbolless_): New.
5233         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5234         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5235         (Output_reloc<SHT_RELA>::is_symbolless): New.
5236         (Output_data_reloc::add_global): Handle is_symbolless.
5237         (Output_data_reloc::add_global_relative): Likewise.
5238         (Output_data_reloc::add_local): Likewise.
5239         (Output_data_reloc::add_local_relative): Likewise.
5240         (Output_data_reloc::add_symbolless_global_addend): New.
5241         (Output_data_reloc::add_symbolless_local_addend): New.
5242         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5243         is_symbolless.
5244         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5245         instead of ->is_relative_
5246         (Output_reloc::write): Likewise.
5247         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5248         (Output_reloc::write_rel): Simplify.
5249
5250         * sparc.cc (Target_sparc::Scan::local): Use
5251         ->add_symbolless_local_addend as needed.
5252         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5253         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5254         based upon relocation offset.
5255
5256 2010-02-11  Doug Kwan  <dougkwan@google.com>
5257
5258         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5259         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5260         beginning of function.
5261         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5262         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5263         parameter is_32bit in calls to should_apply_static_reloc.
5264         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5265         (check_DATA): Add arm_abs_global.stdout.
5266         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5267         arm_abs_global.stdout): New rules.
5268         (MOSTLLYCLEANFILES): Add arm_abs_global
5269         * Makefile.in: Regenerate.
5270         * testsuite/arm_abs_global.s: New file.
5271         * testsuite/arm_abs_global.sh: Ditto.
5272         * testsuite/arm_abs_lib.s: Ditto.
5273
5274 2010-02-11  Ian Lance Taylor  <iant@google.com>
5275
5276         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5277         Read_relocs task.
5278         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5279         Allocate_commons_task first.
5280         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5281         task, rather than symtab_lock_.
5282         (Gc_process_relocs::~Gc_process_relocs): New function.
5283         (Gc_process_relocs::is_runnable): Check this_blocker_.
5284         (Gc_process_relocs::locks): Use next_blocker_ rather than
5285         blocker_.
5286         (Scan_relocs::~Scan_relocs): New function.
5287         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5288         symtab_lock_.
5289         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5290         next_blocker_.
5291         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5292         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5293         constructor accordingly.
5294         (class Gc_process_relocs): Likewise.
5295         (class Scan_relocs): Likewise.
5296         * common.h (class Allocate_commons_task): Remove symtab_lock_
5297         field, and corresponding constructor parameter.
5298         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5299         symtab_lock_.
5300         (Allocate_commons_task::locks): Likewise.
5301
5302 2010-02-11  Ian Lance Taylor  <iant@google.com>
5303
5304         * gold-threads.h (class Once): Define.
5305         (class Initialize_lock): Rewrite as child of Once.
5306         * gold-threads.cc (class Once_initialize): Define.
5307         (once_pointer_control): New static variable.
5308         (once_pointer, once_arg): New static variables.
5309         (c_run_once): New static function.
5310         (Once::Once, Once::run_once, Once::internal_run): New functions.
5311         (class Initialize_lock_once): Remove.
5312         (initialize_lock_control): Remove.
5313         (initialize_lock_pointer): Remove.
5314         (initialize_lock_once): Remove.
5315         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5316         (Initialize_lock::initialize): Rewrite.
5317         (Initialize_lock::do_run_once): New function.
5318         * archive.cc (Archive::interpret_header): Only clear name if it is
5319         not already empty.
5320         * fileread.cc: Include "gold-threads.h"
5321         (file_counts_lock): New static variable.
5322         (file_counts_initialize_lock): Likewise.
5323         (File_read::release): Only increment counts when using --stats.
5324         Use a lock around the increment.
5325         * parameters.cc (class Set_parameters_target_once): Define.
5326         (set_parameters_target_once): New static variable.
5327         (Parameters::Parameters): Move here from parameters.h.
5328         (Parameters::set_target): Rewrite.
5329         (Parameters::set_target_once): New function.
5330         (Parameters::clear_target): Move here and rewrite.
5331         * parameters.h (class Parameters): Update declarations.  Add
5332         set_parameters_target_once_ field.
5333         (Parameters::Parameters): Move to parameters.cc.
5334         (Parameters::clear_target): Likewise.
5335         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5336         task.
5337         (Start_group::~Start_group): New function.
5338         (Start_group::is_runnable): New function.
5339         (Start_group::locks, Start_group::run): New functions.
5340         (Finish_group::run): Change saw_undefined to size_t.
5341         * readsyms.h (class Start_group): Define.
5342         (class Finish_group): Change saw_undefined_ field to size_t.
5343         (Finish_group::Finish_group): Remove saw_undefined and
5344         this_blocker parameters.  Change all callers.
5345         (Finish_group::set_saw_undefined): New function.
5346         (Finish_group::set_blocker): New function.
5347         * symtab.h (class Symbol_table): Change saw_undefined to return
5348         size_t.  Change saw_undefined_ field to size_t.
5349         * target-select.cc (Set_target_once::do_run_once): New function.
5350         (Target_selector::Target_selector): Initialize set_target_once_
5351         field.  Don't initialize lock_ and initialize_lock_ fields.
5352         (Target_selector::instantiate_target): Rewrite.
5353         (Target_selector::set_target): New function.
5354         * target-select.h (class Set_target_once): Define.
5355         (class Target_selector): Update declarations.  Make
5356         Set_target_once a friend.  Remove lock_ and initialize_lock_
5357         fields.  Add set_target_once_ field.
5358
5359 2010-02-10  Ian Lance Taylor  <iant@google.com>
5360
5361         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5362         queueing any tasks.
5363         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5364         (queue_middle_tasks): Add all blockers before queueing any tasks.
5365         (queue_final_tasks): Likewise.
5366         * token.h (Task_token::add_blockers): New function.
5367         * object.h (Input_objects::number_of_relobjs): New function.
5368
5369 2010-02-10  Ian Lance Taylor  <iant@google.com>
5370
5371         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5372         shared, not if not position independent.
5373         * x86_64.cc (Relocate::relocate_tls): Likewise.
5374         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5375         (tls_pie_pic_test): New target.
5376         * testsuite/Makefile.in: Rebuild.
5377
5378         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5379         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5380         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5381         * testsuite/Makefile.in: Rebuild.
5382
5383 2010-02-09  David S. Miller  <davem@davemloft.net>
5384
5385         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5386         R_SPARC_RELATIVE using ->add_local_relative().
5387         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5388
5389         * output.h (Output_data_dynamic::add_section_size): New method
5390         that takes two Output_data objects.
5391         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5392         entry param.  Handle it in initializers.
5393         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5394         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5395         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5396         arg.
5397         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5398         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5399         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5400         for dynrel_includes_plt.
5401         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5402         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5403         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5404         before .rela.plt
5405         (Target_sparc::do_finalize_sections): Update to pass true for
5406         dynrel_includes_plt.
5407         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5408         output before .rela.plt
5409         (Target_powerpc::do_finalize_sections): Update to pass true for
5410         dynrel_includes_plt when 32-bit.
5411
5412 2010-02-08  Doug Kwan  <dougkwan@google.com>
5413
5414         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5415         method.
5416         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5417         Arm_relobj::scan_section_for_cortex_a8_stubs,
5418         Arm_relobj::do_relocation_section): Instead of calling
5419         Output_section::output_address, use faster
5420         Arm_relobj::simple_input_section_output_address.
5421
5422 2010-02-08  David S. Miller  <davem@davemloft.net>
5423
5424         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5425         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5426         relocation helper function.
5427
5428         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5429         just like R_SPARC_GOT{10,13,22}.
5430         (Target_sparc::Scan::local): Likewise.
5431         (Target_sparc::Relocate:relocate): Likewise.
5432
5433 2010-02-06  Ian Lance Taylor  <iant@google.com>
5434
5435         * configure.ac: Rewrite targetobjs duplicate removal code to use
5436         only shell constructs.
5437         * configure: Rebuild.
5438
5439 2010-02-05  Doug Kwan  <dougkwan@google.com>
5440
5441         PR 11247
5442         * arm.cc (Arm_relobj::section_is_scannable): New method.
5443         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5444         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5445
5446 2010-02-04  Doug Kwan  <dougkwan@google.com>
5447
5448         PR 11247
5449         * arm-reloc-property.cc (cstdio): Include.
5450         * configure.ac (targetobjs): Remove duplicates.
5451         * configure: Regenerate.
5452         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5453         big and little endian version for a given address size.
5454
5455 2010-02-03  Doug Kwan  <dougkwan@google.com>
5456
5457         * arm-reloc-property.cc
5458         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5459         definition.
5460         * arm-reloc-property.h
5461         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5462         New method definition.
5463         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5464         declaration.
5465         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5466         overflow to N.
5467         (GOT_PREL): Change implemented to Y.
5468         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5469         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5470         (Arm_relocate_functions::movw_abs_nc): Remove method.
5471         (Arm_relocate_functions::movt_abs): Ditto.
5472         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5473         (Arm_relocate_functions::thm_movt_abs): Ditto.
5474         (Arm_relocate_functions::movw_rel_nc): Ditto.
5475         (Arm_relocate_functions::movw_rel): Ditto.
5476         (Arm_relocate_functions::movt_rel): Ditto.
5477         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5478         (Arm_relocate_functions:thm_movw_rel): Ditto.
5479         (Arm_relocate_functions:thm_movt_rel): Ditto.
5480         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5481         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5482         New method definitions.
5483         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5484         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5485         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5486         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5487         (Target_arm::Relocate::relocate): Check for non-static or
5488         unimplemented relocation code and exit early.  Change calls to
5489         Target_arm::reloc_uses_thumb_bit and
5490         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5491         instead.  Refactor code to handle similar relocations to increase
5492         code sharing.  Remove check for unsupported relocation code in switch
5493         statement.
5494         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5495         relocation property table to find out size.  Change error message to
5496         print out the name of a relocation code instead of the numeric value.
5497         (Target_arm::scan_reloc_for_stub): Use relocation property table
5498         instead of calling Target_arm::reloc_uses_thumb_bit().
5499
5500 2010-02-02  Doug Kwan  <dougkwan@google.com>
5501
5502         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5503         types of relaxed input section.
5504
5505 2010-02-02  Doug Kwan  <dougkwan@google.com>
5506
5507         * Makefile.am (HFILES): Add arm-reloc-property.h.
5508         (DEFFILES): New.
5509         (TARGETSOURCES): Add arm-reloc-property.cc
5510         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5511         (libgold_a_SOURCES): $(DEFFILES)
5512         * Makefile.in: Regenerate.
5513         * arm-reloc-property.cc: New file.
5514         * arm-reloc-property.h: New file.
5515         * arm-reloc.def: New file.
5516         * arm.cc: Update comments.
5517         (arm-reloc-property.h): New included header.
5518         (arm_reloc_property_table): New global variable.
5519         (Target_arm::do_select_as_default_target): New method definition.
5520         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5521         arm-reloc-property to targ_extra_obj.
5522         * parameters.cc (set_parameters_target): Call
5523         Target::select_as_default_target().
5524         * target.h (Target::select_as_default_target): New method definition.
5525         (Target::do_select_as_default_target): Same.
5526
5527 2010-02-01  Doug Kwan  <dougkwan@google.com>
5528
5529         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5530         first_output_text_section_.
5531         (Arm_exidx_fixup::first_output_text_section): New method definition.
5532         (Arm_exidx_fixup::first_output_text_section_): New data member.
5533         (Arm_exidx_fixup::process_exidx_section): Record the first text
5534         output section seen.
5535         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5536         and entsize in output section header.
5537
5538 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5539
5540         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5541         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5542         (Arm_relocate_functions::thm_alu11): New Method.
5543         (Arm_relocate_functions::thm_pc8): New Method.
5544         (Arm_relocate_functions::thm_pc12): New Method.
5545         (Target_arm::Scan::local): Handle the relocations.
5546         (Target_arm::Scan::global): Likewise.
5547         (Target_arm::Relocate::relocate): Likewise.
5548         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5549
5550 2010-01-29  Doug Kwan  <dougkwan@google.com>
5551
5552         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5553         of relocation types as ld.
5554
5555 2010-01-29  Doug Kwan  <dougkwan@google.com>
5556
5557         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5558         to public.
5559         (Arm_relocate_functions::thumb_branch_common): Ditto.
5560         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5561         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5562         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5563         Arm_relocate_functions::jump24): Remove.
5564         (Target_arm::Relocate::relocate): Adjust code to call
5565         Arm_relocation_functions::arm_branch_common and
5566         Arm_relocation_functions::thumb_branch_common instead of their removed
5567         wrappers.  Merge switch-cases together to reduce source code size.
5568
5569 2010-01-29  Doug Kwan  <dougkwan@google.com>
5570
5571         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5572         output_local_symbol_count_needs_update_.
5573         (Arm_relobj::output_local_symbol_count_needs_update,
5574          Arm_relobj::set_output_local_symbol_count_needs_update,
5575          Arm_relobj::update_output_local_symbol_count): New methods.
5576         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5577         member.
5578         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5579         of pointed function as in a R_ARM_PREL31 relocation.
5580         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5581         for output local symbol count updating.
5582         (Target_arm::do_relax): Update output local symbol counts in objects
5583         if necessary.
5584         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5585
5586 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5587
5588         * arm.cc: Added support for the ARM relocations:
5589         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5590         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5591         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5592         movw_prel_nc).
5593         (Arm_relocate_functions::movw_rel): New method.
5594         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5595         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5596         thm_movw_prel_nc).
5597         (Arm_relocate_functions::thm_movw_rel): New method.
5598         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5599         thm_movt_prel).
5600         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5601         relocations.
5602         (Target_arm::Scan::global): Likewise.
5603         (Target_arm::Relocate::relocate): Likewise.
5604         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5605         Likewise.
5606
5607 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5608
5609         * arm.cc: Added support for ARM group relocations.
5610         (Target_arm::reloc_needs_sym_origin): New method.
5611         (Arm_relocate_functions::calc_grp_kn): New method.
5612         (Arm_relocate_functions::calc_grp_residual): New method.
5613         (Arm_relocate_functions::calc_grp_gn): New method.
5614         (Arm_relocate_functions::arm_grp_alu): New Method.
5615         (Arm_relocate_functions::arm_grp_ldr): New Method.
5616         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5617         (Arm_relocate_functions::arm_grp_ldc): New Method.
5618         (Target_arm::Scan::local): Handle the ARM group relocations.
5619         (Target_arm::Scan::global): Likewise.
5620         (Target_arm::Relocate::relocate): Likewise.
5621         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5622         Likewise.
5623
5624 2010-01-26  Doug Kwan  <dougkwan@google.com>
5625
5626         * arm.cc (set): Include.
5627         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5628         pointer type.
5629         (Arm_output_section::Text_section_list): New type.
5630         (Arm_output_section::append_text_sections_to_list): New method.
5631         (Arm_output_section::fix_exidx_coverage): Ditto.
5632         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5633         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5634         Relobj::set_section_offset() instead of
5635         Sized_relobj::invalidate_section_offset().
5636         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5637         parameter for section headers. Ignore relocation sections for
5638         unallocated sections and EXIDX sections.
5639         (Target_arm::fix_exidx_coverage): New method.
5640         (Target_arm::output_section_address_less_than): New type.
5641         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5642         linked text section instead of the EXIDX section.
5643         (Arm_output_section::create_stub_group): Add an assertion to check
5644         that this is not an EXIDX output section.
5645         (Arm_output_section::append_text_sections_to_list): New method.
5646         (Arm_output_section::fix_exidx_coverage): Ditto.
5647         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5648         Arm_relobj::section_needs_reloc_stub_scanning.
5649         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5650         first pass.
5651         (Target_arm::fix_exidx_coverage): New method.
5652         * object.h (Relobj::set_output_section): New method.
5653         (Sized_relobj::invalidate_section_offset): Remove method.
5654         (Sized_relobj::do_invalidate_section_offset): Remove method.
5655         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5656
5657 2010-01-25  Doug Kwan  <dougkwan@google.com>
5658
5659         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5660         Fix warning due to signed and unsigned comparison on a 32-bit host.
5661
5662 2010-01-22  Doug Kwan  <dougkwan@google.com>
5663
5664         * arm.cc (Target_arm::do_relax): Record an output section for section
5665         offset adjustment it contains any stub table that has changed.
5666         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5667         offsets in an output section if necessary.
5668         * output.cc (Output_section::Output_section): Initialize
5669         section_offsets_need_adjustments_.
5670         (Output_section::add_input_section_for_script): Renamed to
5671         Output_section::add_simple_input_section.
5672         (Output_section::save_states): Add a comment.
5673         (Output_section::discard_states): New method defintion.
5674         (Output_section::adjust_section_offsets): Same.
5675         * output.h (Output_section::add_input_section_for_script): Renamed to
5676         Output_section::add_simple_input_section.
5677         (Output_section::discard_states): New method declaration.
5678         (Output_section::adjust_section_offsets): Same.
5679         (Output_section::section_offsets_need_adjustment,
5680         Output_section::set_section_offsets_need_adjustment): New method
5681         definitions.
5682         (Output_section::section_offsets_need_adjustment_): New data member.
5683         * script-sections.cc
5684         (Output_section_element_input::set_section_address): Adjust code for
5685         renaming of Output_section::add_input_section_for_script.
5686         (Orphan_output_section::set_section_address): Same.
5687
5688 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5689
5690         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5691         Fix_v4bx enum values .
5692         * gold/options.h (General_options): New option definitions.
5693         (General_options::fix_v4bx): New method.
5694         (General_options::Fix_v4bx): New enum.
5695         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5696         (General_options::parse_fix_v4bx_interworking): New method.
5697
5698 2010-01-22  Doug Kwan  <dougkwan@google.com>
5699
5700         * arm.cc (Arm_exidx_fixup): New class.
5701
5702 2010-01-21  Doug Kwan  <dougkwan@google.com>
5703
5704         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5705         classes.
5706         (Arm_exidx_section_offset_map): New type.
5707
5708 2010-01-21  Doug Kwan  <dougkwan@google.com>
5709
5710         * arm.cc (Arm_exidx_input_section): New class.
5711         (Arm_relobj::exidx_input_section_by_link,
5712         Arm_relobj::exidx_input_section_by_shndx,
5713         Arm_relobj::make_exidx_input_section): New methods.
5714         (read_arm_attributes_section): Remove.
5715         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5716         information about them.
5717         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5718         to here.
5719
5720 2010-01-20  Doug Kwan  <dougkwan@google.com>
5721
5722         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5723         Input_section_specifier to Section_id.
5724         (Target_arm::new_arm_input_section: Adjust code for change of key
5725         type.
5726         (Target_arm::find_arm_input_section): Ditto.
5727         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5728         (Section_id): Remove.
5729         (Garbage_collection::Section_id_hash): Remove.
5730         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5731         (Section_id): Remove.
5732         (Icf::Section_id_hash): Remove.
5733         * object.h (Section_id, Const_section_id, Section_id_hash,
5734         Const_section_id_hash): New type definitions.
5735         * output.cc (Output_section::add_relaxed_input_section): Change to
5736         use Const_section_id instead of Input_section_specifier as key type.
5737         (Output_section::add_merge_input_section): Ditto.
5738         (Output_section::build_relaxation_map): Change to use Section_id
5739         instead of Input_section_specifier as key type.
5740         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5741         Ditto.
5742         (Output_section::convert_input_sections_to_relaxed_sections): Change
5743         to use Const_section_id instead of Input_section_specifier as key type.
5744         (Output_section::find_merge_section): Ditto.
5745         (Output_section::find_relaxed_input_section): Ditto.
5746         * output.h (Input_section_specifier): Remove class.
5747         (Output_section::Output_section_data_by_input_section_map): Change
5748         key type to Const_section_id.
5749         (Output_section::Output_relaxed_input_section_by_input_section_map):
5750         Ditto.
5751         (Output_section::Relaxation_map): Change key type to Section_id.
5752
5753 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5754
5755         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5756         (class Arm_v4bx_stub): New class.
5757         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5758         (Stub_factory::make_arm_v4bx_stub): New method.
5759         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5760         (Stub_table::empty): Handle v4bx stubs.
5761         (Stub_table::add_arm_v4bx_stub): New method.
5762         (Stub_table::find_arm_v4bx_stub): New method.
5763         (Arm_relocate_functions::v4bx): New method.
5764         (Target_arm::fix_v4bx): New method.
5765         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5766         (Stub_table::relocate_stubs): Likewise.
5767         (Stub_table::do_write): Likewise.
5768         (Stub_table::update_data_size_and_addralign): Likewise.
5769         (Stub_table::finalize_stubs):  Likewise.
5770         (Target_arm::Scan::local): Likewise.
5771         (Target_arm::Scan::global): Likewise.
5772         (Target_arm::do_finalize_sections): Likewise.
5773         (Target_arm::Relocate::relocate): Likewise.
5774         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5775         Likewise.
5776         (Target_arm::scan_reloc_for_stub): Likewise.
5777         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5778
5779 2010-01-19  Ian Lance Taylor  <iant@google.com>
5780
5781         * output.cc (Output_section_headers::do_sized_write): Write large
5782         segment count to sh_info field.
5783         (Output_file_header::do_sized_write): For large segment count,
5784         write PN_XNUM to e_phnum field.
5785
5786 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5787
5788         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5789         (Arm_relocate_functions::thm_jump8): New function.
5790         (Arm_relocate_functions::thm_jump11): New function.
5791         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5792         R_ARM_THM_JUMP11.
5793         (Target_arm::Scan::global): Likewise.
5794         (Target_arm::Relocate::relocate): Likewise.
5795         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5796         Likewise.
5797
5798 2010-01-14  Doug Kwan  <dougkwan@google.com>
5799
5800         * arm.cc (map, utility): Include headers.
5801         (Target_arm::apply_cortex_a8_workaround): New method.
5802         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5803         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5804         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5805         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5806         the --[no-]fix-cortex-a8 command line options.
5807         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5808         (Target_arm::relocate_stub): Use addend in instruction template.
5809         * options.h (DEFINE_bool): Set the user-set flag.
5810         (General_options): Add --[no-]-fix-cortex options.
5811         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5812         : Update fast look-up map after conversion.
5813
5814 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5815
5816         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5817         in the first pass of do_layout.
5818
5819 2010-01-13  Doug Kwan  <dougkwan@google.com>
5820
5821         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5822         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5823         apparent compiler problem of not folding static constant integral
5824         data members of elfcpp::Elf_sizes<32>.
5825
5826 2010-01-13  Doug Kwan  <dougkwan@google.com>
5827
5828         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5829         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5830         Arm_relobj::scan_section_for_cortex_a8_erratum,
5831         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5832         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5833         sections to scan for relocation stubs into a new method
5834         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5835         relocation and Cortex-A8 stub scanning.
5836         (Target_arm::do_relax): Force stubs to be after stubbed sections
5837         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5838         the beginning of a new relaxation pass.  Update a comment.
5839         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5840
5841 2010-01-12  Ian Lance Taylor  <iant@google.com>
5842
5843         * target-reloc.h (visibility_error): New inline function.
5844         (relocate_section): Call visibility_error.
5845         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5846         (MOSTLYCLEANFILES): Likewise.
5847         (protected_4_pic.o, protected_3.err): New targets.
5848         * testsuite/protected_4.cc: New file.
5849
5850 2010-01-12  Doug Kwan  <dougkwan@google.com>
5851
5852         * arm.cc (Cortex_a8_reloc): New class.
5853         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5854         and cortex_a8_relocs_info_.
5855         (Target_arm::fix_cortex_a8): New method definition.
5856         (Target_arm::Cortex_a8_relocs_info): New type.
5857         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5858         New data member declarations.
5859         (Target_arm::scan_reloc_for_stub): Record information about
5860         relocations for THUMB branches that might be exempted from the
5861         Cortex-A8 workaround.
5862         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5863         at the beginning of a relaxation pass.
5864
5865 2010-01-12  Doug Kwan  <dougkwan@google.com>
5866
5867         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5868         (Arm_relobj::Mapping_symbol_position,
5869          Arm_reloj::Mapping_symbol_position_less,
5870          Arm_relobj::Mapping_symbols_info): New types.
5871         (Target_arm::is_mapping_symbol_name): New method definition.
5872         (Arm_relobj::do_count_local_symbols): Save information about mapping
5873         symbols.
5874
5875 2010-01-11  Doug Kwan  <dougkwan@google.com>
5876
5877         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5878         Arm_relocate_functions::thumb32_branch_upper,
5879         Arm_relocate_functions::thumb32_branch_lower,
5880         Arm_relocate_functions::thumb32_cond_branch_offset,
5881         Arm_relocate_functions::thumb32_cond_branch_upper,
5882         Arm_relocate_functions::thumb32_cond_branch_lower,
5883         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5884         branch offset encoding.
5885         (Arm_relocate_functions::thumb_branch_common): Use new branch
5886         offset encoding methods to avoid code duplication.
5887         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5888         (Stub_addend_reader::operator()): Use new branch encoding method
5889         to avoid code duplication.
5890
5891 2010-01-11  Doug Kwan  <dougkwan@google.com>
5892
5893         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5894         (Target_arm::do_finalize_sections): Define special EXIDX section
5895         symbols only if referenced.
5896         * gc.h (Garbage_collection::add_reference): New method.
5897         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5898         code duplication.
5899
5900 2010-01-11  Ian Lance Taylor  <iant@google.com>
5901
5902         * script.cc (Version_script_info::build_expression_list_lookup):
5903         Change complaing about duplicate wildcard match from error to
5904         warning.
5905
5906         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5907         of 2009-12-30.
5908         (Version_script_info::Version_script_info): Initialize globs_,
5909         default_version_, default_is_global_, and exact_.  Don't
5910         initialize globals_ or locals_.
5911         (Version_script_info::build_lookup_tables): Build local symbols
5912         first.
5913         (Version_script_info::unquote): New function.
5914         (Version_script_info::add_exact_match): New function.
5915         (Version_script_info::build_expression_list_lookup): Remove lookup
5916         parameter.  Add is_global parameter.  Change all callers.  Handle
5917         wildcard pattern specially.  Unquote pattern.  Call
5918         add_exact_match.
5919         (Version_script_info::get_name_to_match): New function.
5920         (Version_script_info::get_symbol_version): New function.
5921         (Version_script_info::get_symbol_version_helper): Remove.
5922         (Version_script_info::check_unmatched_names): Call unquote.
5923         * script.h (class Version_script_info): Change get_symbol_version
5924         to be non-inline and add is_global parameter; change all callers.
5925         Rewrite symbol_is_local.  Update declarations.  Define struct
5926         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5927         Remove globals_ and locals_ members.  Add exact_, globs_,
5928         default_version_, is_global_.
5929         (Version_script_info::Glob): Remove pattern, add expression and
5930         is_global.  Update constructor.  Change all callers.
5931         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5932         default version.
5933         (Versions::symbol_section_contents): If a symbol is undefined, or
5934         defined in a dynamic object, set the version index to
5935         VER_NDX_LOCAL.
5936         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5937         symbol_is_local.
5938         (Symbol_table::add_from_pluginobj): Likewise.
5939         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5940
5941 2010-01-11  Doug Kwan  <dougkwan@google.com>
5942
5943         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5944         (incremental_dump_LDADD): Add linking option for libintl.
5945         * Makefile.in: Regenerate.
5946
5947 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5948
5949         PR gold/11144
5950         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5951         instead of -Ds.
5952         * testsuite/Makefile.in: Regenerated.
5953
5954 2010-01-10  Doug Kwan  <dougkwan@google.com>
5955
5956         * options.h (DEFINE_var): Use parentheses around argument varname__
5957         in macro body to avoid any unintended subsequent substitutions.
5958
5959 2010-01-10  Ian Lance Taylor  <iant@google.com>
5960
5961         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5962         candidates before doing symbol resolution.
5963
5964         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5965         ODR candidates if only one is weak.
5966
5967 2010-01-08  Ian Lance Taylor  <iant@google.com>
5968
5969         * script.cc (Version_script_info::build_expression_list_lookup):
5970         Don't warn about ambiguous version, just record the ambiguity.
5971         (Version_script_info::get_symbol_version_helper): Give error if
5972         version is ambiguous.
5973
5974 2010-01-08  Doug Kwan  <dougkwan@google.com>
5975
5976         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5977           prev_data_size_ and prev_addralign_.  Remove initializer for
5978           deleted data member has_been_changed_.
5979           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5980           to determine if the table is empty.
5981           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5982           Remove.
5983           (Stub_table::add_reloc_stub): Define method in class definition
5984           instead of just declaring it there.
5985           (Stub_table::add_cortex_a8_stub): New method definition.
5986           (Stub_table::update_data_size_and_addralign): Ditto.
5987           (Stub_table::finalize_stubs): Ditto.
5988           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5989           (Stub_table::do_addralign_): Return address alignment in the
5990           (Stub_table::do_reset_address_and_file_offset): Define method in
5991           class definition instead of declaring it there.  Set current data
5992           size to be the data size of the previous pass.
5993           (Stub_table::set_final_data_size): Use current data size as the
5994           final data size.
5995           (Stub_table::relocate_stub): Change parameter type of stub from
5996           Reloc_stub pointer to Stub pointer.
5997           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5998           (Stub_table::Cortex_a8_stub_list): New typedef.
5999           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6000            Stub_table::prev_addralign_): New data member.
6001           (Arm_relobj::Arm_relobj): Initialize data member
6002           section_has_cortex_a8_workaround_.
6003           (Arm_relobj::section_has_cortex_a8_workaround,
6004            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6005            definitions.
6006           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6007           declarations.
6008           (Target_arm::relocate_stub): Change parameter type of stub from
6009           Reloc_stub pointer to Stub pointer.
6010           (Insn_template::size, Insn_template::alignment): Handle
6011           THUMB16_SPECIAL_TYPE.
6012           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6013            Stub_table::update_data_size_and_addralign,
6014            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6015           definitions.
6016           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6017           (Stub_table::do_write): Ditto.
6018           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6019
6020 2010-01-08  Ian Lance Taylor  <iant@google.com>
6021
6022         PR 11108
6023         * symtab.h (class Symbol): Remove fields is_target_special_ and
6024         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6025         (Symbol::is_defined_in_discarded_section): New function.
6026         (Symbol::set_is_defined_in_discarded_section): New function.
6027         (Symbol::has_plt_offset): Rewrite.
6028         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6029         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6030         Don't initialize is_target_special_ or has_plt_offset_.
6031         Initialize is_defined_in_discarded_section_.
6032         (Symbol_table::add_from_relobj): If appropriate, set
6033         is_defined_in_discarded_section.
6034         * resolve.cc (Symbol::override_base_with_special): Don't test
6035         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6036         * target-reloc.h (relocate_section): Do special handling for
6037         symbols defined in discarded sections for global symbols as well
6038         as local symbols.
6039
6040 2010-01-08  Ian Lance Taylor  <iant@google.com>
6041
6042         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6043         the SHT_SYMTAB case.
6044
6045 2010-01-08  Ian Lance Taylor  <iant@google.com>
6046
6047         * object.cc (Sized_relobj::do_layout): Don't get confused if
6048         layout_eh_frame returns NULL.
6049
6050 2010-01-08  Ian Lance Taylor  <iant@google.com>
6051
6052         PR 11084
6053         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6054         dynamic symbol table, use the normal symbol table.
6055         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6056         symbol table.
6057
6058 2010-01-08  Ian Lance Taylor  <iant@google.com>
6059
6060         PR 11072
6061         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6062         sections.
6063
6064 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6065
6066         * version.cc (print_version): Change to "Copyright 2010".
6067
6068 2010-01-08  Ian Lance Taylor  <iant@google.com>
6069
6070         PR 10287
6071         PR 11063
6072         * i386.cc (class Target_i386): Change return type of plt_section
6073         to be non-const.
6074         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6075         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6076         tls_desc_rel_ field.
6077         (Output_data_plt_i386::rel_tls_desc): New function.
6078         (Target_i386::rel_tls_desc_section): New function.
6079         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6080         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6081         R_386_TLS_DESC reloc in rel_tls_desc_section.
6082         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6083         Define struct Tlsdesc_info.
6084         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6085         (Target_x86_64::do_reloc_symbol_index): New function.
6086         (Target_x86_64::add_tlsdesc_info): New function.
6087         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6088         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6089         tlsdesc_rel_ field.
6090         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6091         all callers.
6092         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6093         (Target_x86_64::rela_tlsdesc_section): New function.
6094         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6095         handling.
6096         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6097         (Target_x86_64::do_reloc_addend): New function.
6098         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6099         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6100         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6101         (Output_reloc::type): New function.
6102         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6103         (Output_reloc::is_target_specific): New function.
6104         (Output_reloc::target_arg): New function.
6105         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6106         absolute relocs and target specific relocs.
6107         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6108         add_target_specific.
6109         (class Output_data_reloc) [SHT_RELA]: Likewise.
6110         * output.cc (Output_reloc::Output_reloc): Add four new versions
6111         for absolute relocs and target specific relocs.
6112         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6113         (Output_reloc::get_symbol_index): Likewise.
6114         (Output_reloc::local_section_offset): Check that local_sym_index_
6115         is not TARGET_CODE or 0.
6116         (Output_reloc::symbol_value): Likewise.
6117         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6118         reloc.
6119         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6120         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6121         functions.
6122         * layout.cc (add_target_dynamic_tags): Use output section for
6123         DT_PLTRELSZ and DT_JMPREL.
6124
6125 2010-01-07  Ian Lance Taylor  <iant@google.com>
6126
6127         PR 11061
6128         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6129         function.
6130         (class Output_data_reloc_generic): Define.
6131         (class Output_data_reloc_base): Change base class to
6132         Output_data_reloc_generic.  Change add() method to call
6133         bump_relative_reloc_count for a relative reloc.  Remove
6134         sort_relocs_ field.
6135         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6136         to sort_relocs().
6137         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6138         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6139         appropriate.
6140         * layout.h (class Layout): Update declaration.
6141
6142 2010-01-07  Ian Lance Taylor  <iant@google.com>
6143
6144         * output.h (class Output_data): Add const version of
6145         output_section and do_output_section.
6146         (class Output_section_data): Add const version of
6147         do_output_section.
6148         (class Output_section): Likewise.
6149         * layout.cc (Layout::add_target_dynamic_tags): New function.
6150         * layout.h (class Layout): Update declarations.
6151         * arm.cc (Target_arm::do_finalize_sections): Use
6152         add_target_dynamic_tags.
6153         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6154         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6155         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6156         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6157
6158 2010-01-07  Ian Lance Taylor  <iant@google.com>
6159
6160         PR 11042
6161         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6162         object as needed.
6163
6164 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6165             Ian Lance Taylor  <iant@google.com>
6166
6167         PR 11019
6168         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6169         Xindex::read_symtab_xindex.
6170
6171 2010-01-07  Doug Kwan  <dougkwan@google.com>
6172
6173         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6174         (Insn_template::thumb16_bcond_insn): New method declaration.
6175         (Insn_template): Fix spelling.
6176         (Stub::thumb16_special): New method declaration.
6177         (Stub::do_write): Define virtual method which was previously pure
6178         virtual.
6179         (Stub::do_thumb16_special): New method declaration.
6180         (Stub::do_fixed_endian_write): New template member.
6181         (Reloc_stub::do_write): Remove.
6182         (Reloc_stub::do_fixed_endian_write): Remove.
6183         (Cortex_a8_stub): New class definition.
6184         (Stub_factory::make_cortex_a8_stub): New method definition.
6185         (Stub_factory::Stub_factory): Add missing static storage class
6186         qualifier for elf32_arm_stub_a8_veneer_blx.
6187
6188 2010-01-07  Ian Lance Taylor  <iant@google.com>
6189
6190         PR 10980
6191         * options.h (class General_options): Add --warn-unresolved-symbols
6192         and --error-unresolved-symbols.
6193         * errors.cc (Errors::undefined_symbol): Implement
6194         --warn-unresolved-symbols.
6195
6196         * options.h (class General_options): Add -z text and -z textoff.
6197         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6198
6199 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6200
6201         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6202         (Garbage_collection::cident_sections): New function.
6203         (Garbage_collection::add_cident_section): New function.
6204         (Garbage_collection::cident_sections_): New member.
6205         (gc_process_relocs): Add references to sections whose names are C
6206         identifiers.
6207         * gold.h (cident_section_start_prefix): New constant.
6208         (cident_section_stop_prefix): New constant.
6209         (is_cident): New function.
6210         * layout.cc (Layout::define_section_symbols): Replace string constants
6211         with the newly defined constants.
6212         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6213         C identifiers.
6214         * testsuite/Makefile.am: Add gc_orphan_section_test.
6215         * testsuite/Makefile.in: Regenerate.
6216         * testsuite/gc_orphan_section_test.cc: New file.
6217         * testsuite/gc_orphan_section_test.sh: New file.
6218
6219 2010-01-06  Ian Lance Taylor  <iant@google.com>
6220
6221         PR 10980
6222         * options.h (class General_options): Add --warn-shared-textrel.
6223         * layout.cc (Layout::finish_dynamic_section): Implement
6224         --warn-shared-textrel.
6225
6226         PR 10980
6227         * options.h (class General_options): Add --warn-multiple-gp.
6228
6229 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6230
6231         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6232         $(THREADSLIB) and $(LIBDL).
6233         * Makefile.in: Rebuild.
6234
6235 2010-01-06  Ian Lance Taylor  <iant@google.com>
6236
6237         PR 10980
6238         * options.cc (General_options::parse_section_start): New function.
6239         (General_options::section_start): New function.
6240         (General_options::General_options): Initialize all members.
6241         * options.h: Include <map>
6242         (class General_options): Add --section-start.  Add section_starts_
6243         member.
6244         * layout.cc (Layout::attach_allocated_section_to_segment): If
6245         --section-start was used, set the address of the segment.  Remove
6246         local sort_sections.
6247         (Layout::relaxation_loop_body): If the address of the load segment
6248         has been set by --section-start, don't use it.
6249         * output.h (Output_segment::update_flags_for_output_section): New
6250         function.
6251         * output.cc (Output_segment::add_output_section): Call
6252         update_flags_for_output_section.
6253
6254 2010-01-05  Ian Lance Taylor  <iant@google.com>
6255
6256         PR 10980
6257         * options.h (class General_options): Add --undefined-version.
6258         * script.cc (struct Version_expression): Add was_matched_by_symbol
6259         field.
6260         (Version_script_info::matched_symbol): New function.
6261         (Version_script_info::get_symbol_version_helper): Call
6262         matched_symbol.
6263         (Version_script_info::check_unmatched_names): New function.
6264         * script.h (class Version_script_info): Update declarations.
6265         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6266
6267         * options.h (class General_options): Use DEFINE_bool_alias for
6268         allow_multiple_definition.
6269         * resolve.cc (Symbol_table::should_override): Don't test
6270         allow_multiple_definition.
6271
6272         PR 10980
6273         * options.h (class General_options): Add --cref.
6274         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6275         until after printing cref table.
6276         * cref.cc: Include "symtab.h".
6277         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6278         (Cref_table_compare::operator()): New function.
6279         (Cref_inputs::gather_cref): New function.
6280         (filecol): New static const.
6281         (Cref_inputs::print_cref): New function.
6282         (Cref::print_cref): New function.
6283         * cref.h: Include <cstdio>.
6284         (class Cref): Update declarations.
6285         * mapfile.h (Mapfile::file): New function.
6286         * object.h (class Object): Define Symbols.  Declare virtual
6287         do_get_global_symbols.
6288         (Object::get_global_symbols): New function.
6289         * object.cc (Input_objects::add_object): Pass object to cref_ if
6290         --cref.
6291         (Input_objects::archive_start): Likewise.
6292         (Input_objects::archive_stop): Likewise.
6293         (Input_objects::print_cref): New function.
6294         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6295         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6296         --cref.
6297         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6298         function.
6299         * plugin.h (class Sized_pluginobj): Update declarations.
6300
6301 2010-01-05  Ian Lance Taylor  <iant@google.com>
6302
6303         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6304         to is_default_version.  Rename insdef to insdefault.
6305         (Symbol_table::add_from_relobj): Rename def to is_default_version
6306         and local to is_forced_local.
6307         (Symbol_table::add_from_pluginobj): Likewise.
6308         (Symbol_table::add_from_dynobj): Likewise.
6309         (Symbol_table::define_special_symbol): Rename insdef to
6310         insdefault.
6311
6312 2010-01-04  Ian Lance Taylor  <iant@google.com>
6313
6314         PR 10980
6315         * options.h (class General_options): Add
6316         --allow-multiple-definition and -z muldefs.
6317         * resolve.cc (Symbol_table::should_override): Don't warn about a
6318         multiple symbol definition if --allow-multiple-definition or -z
6319         muldefs.
6320
6321         PR 10980
6322         * options.h (class General_options): Add --add-needed and
6323         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6324         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6325         error if --copy-dt-needed-entries aka --add-needed is used and
6326         would cause a change in behaviour.
6327
6328         PR 10980
6329         * options.h (class General_options): Add -G as a short version of
6330         --shared.  Add no-op options -assert, -g, and -i.
6331
6332 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6333
6334         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6335         check for .text or .gnu.linkonce.t sections.
6336         * icf.cc (Icf::find_identical_sections): Ditto.
6337         Change the detection for mangled function name within the section
6338         name.
6339         * icf.h (is_section_foldable_candidate): New function.
6340
6341 2009-12-30  Ian Lance Taylor  <iant@google.com>
6342
6343         PR 10980
6344         * options.h (class General_options): Permit two dashes with
6345         --retain-symbols-file.
6346
6347 2009-12-30  Ian Lance Taylor  <iant@google.com>
6348
6349         PR 10979
6350         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6351         don't put the file header and segment headers in the text
6352         segment.
6353
6354         PR 10979
6355         * common.cc (Sort_commons::operator()): Stabilize sort when both
6356         entries are NULL.
6357         (Symbol_table::do_allocate_commons_list): When allocating common
6358         symbols, skip a symbol which is no longer common.
6359         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6360         an object before checking its type.
6361         * testsuite/common_test_2.c: New file.
6362         * testsuite/common_test_3.c: New file.
6363         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6364         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6365         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6366         (common_test_2_pic.o, common_test_2.so): New targets.
6367         (common_test_3_pic.o, common_test_3.so): New targets.
6368         * testsuite/Makefile.in: Rebuild.
6369
6370         PR 10979
6371         * script.cc (read_input_script): If we see a new SECTIONS clause,
6372         and we have added an input section, give an error.
6373         * layout.h (class Layout): Add have_added_input_section function.
6374         Add have_added_input_section_ field.
6375         * layout.cc (Layout::Layout): Initialize
6376         have_added_input_section_.
6377         (Layout::layout): Set have_added_input_section_.
6378         (Layout::layout_eh_frame): Likewise.
6379
6380 2009-12-30  Ian Lance Taylor  <iant@google.com>
6381
6382         PR 10931
6383         * options.h (class General_options): Add --sort-common option.
6384         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6385         * common.cc (Sort_common): Add sort_order parameter to
6386         constructor.  Add sort_order_ field.
6387         (Sort_commons::operator): Check sort_order_.
6388         (Symbol_table::allocate_commons): Determine the sort order.
6389         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6390         Change all callers.
6391         (Symbol_table::do_allocate_commons_list): Likewise.
6392
6393 2009-12-30  Ian Lance Taylor  <iant@google.com>
6394
6395         PR 10916
6396         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6397         symbols from this object, don't change the visibility of an
6398         undefined symbol.
6399         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6400
6401 2009-12-30  Ian Lance Taylor  <iant@google.com>
6402
6403         PR 10861
6404         * script.h (class Version_script_info): Define Language enum.
6405         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6406         new fields globals_, locals_, and is_finalized_.
6407         * script.cc: Various formatting fixes.
6408         (class Parser_closure): Change language_stack_ from a vector of
6409         std::string to one of Version_script_info::Language.  Adjust all
6410         uses accordingly.
6411         (class Lazy_demangler): Remove.
6412         (struct Version_expression): Change language from std::string to
6413         Version_script_info::Language.
6414         (Version_script_info::Version_script_info): New function.
6415         (Version_script_info::~Version_script_info): Don't call clear.
6416         (Version_script_info::finalize): New function.
6417         (Version_script_info::build_lookup_tables): New function.
6418         (Version_script_info::build_expression_list_lookup): New
6419         function.
6420         (Version_script_info::get_symbol_version_helper): Rewrite to use
6421         lookup tables.
6422         (Version_script_info::print_expression_list): Adjust to use
6423         Version_script_info::Language.
6424         (script_push_lex_into_version_mode): Check that the version script
6425         has not been finalized.
6426         (version_script_push_lang): Change language string to
6427         Version_script_info::Language.
6428         * options.cc (Command_line::version_script): New function.
6429         * options.h (class General_options): Add finalize_dynamic_list
6430         function.  Change version_script from declaration to definition.
6431         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6432         * testsuite/version_script.map: Remove duplicate def of foo.
6433         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6434         version_script.map.
6435         * testsuite/Makefile.in: Rebuild.
6436
6437 2009-12-30  Ian Lance Taylor  <iant@google.com>
6438
6439         PR 10843
6440         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6441         if the input symbol index is 0, make the output symbol index 0.
6442
6443 2009-12-30  Ian Lance Taylor  <iant@google.com>
6444
6445         PR 10670
6446         * options.h (class General_options): Add -x/--discard-all.
6447         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6448         --discard-all.  If the local symbol needs a dynamic entry, check
6449         that before handling --discard-locals.
6450
6451 2009-12-30  Ian Lance Taylor  <iant@google.com>
6452
6453         PR 10450
6454         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6455         flags to PF_R.
6456         (Output_segment::add_output_section): Don't change the flags if
6457         the type is PT_TLS.
6458
6459         PR 10450
6460         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6461         GNU hash table if they need a dynamic value.  Otherwise, don't add
6462         them if they are defined in a dynamic object or are forced local.
6463
6464 2009-12-29  Ian Lance Taylor  <iant@google.com>
6465
6466         PR 10450
6467         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6468         .gnu.hash table for a 32-bit target.
6469
6470         PR 10450
6471         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6472         regular and a dynamic object only needs a dynamic symbol table
6473         entry if it is externally visible.
6474
6475         PR 10450
6476         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6477         constructor.  Add global_offset_table_ field.
6478         (Target_i386::got_section): Set global_offset_table_.
6479         (Target_i386::do_finalize_sections): Set global_offset_table_
6480         size.
6481         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6482         in constructor.  Add global_offset_table_ field.
6483         (Target_x86_64::got_section): Set global_offset_table_.
6484         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6485         size.
6486
6487         * layout.cc (Layout::Layout): Initialize increase_relro_.
6488         (Layout::get_output_section): Add is_relro, is_last_relro, and
6489         is_first_non_relro parameters.  Change all callers.
6490         (Layout::choose_output_section): Likewise.
6491         (Layout::add_output_section_data): Likewise.
6492         (Layout::make_output_section): Likewise.
6493         (Layout::set_segment_offsets): Clear increase_relro when using a
6494         linker script.
6495         * layout.h (class Layout): Add increase_relro method.  Add
6496         increase_relro_ field.  Update declarations.
6497         * output.cc (Output_section::Output_section): Initialize
6498         is_last_relro_ and is_first_non_relro_.
6499         (Output_segment::add_output_section): Group relro sections is
6500         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6501         (Output_segment::maximum_alignment): Remove relro handling.
6502         (Output_segment::set_section_addresses): Add increase_relro
6503         parameter.  Change all callers.  Add initial alignment to align
6504         relro sections on separate page.  Remove old relro handling.
6505         (Output_segment::set_section_list_addresses): Remove in_relro
6506         parameter.  Change all callers.
6507         (Output_segment::set_offset): Add increase parameter.  Change all
6508         callers.  Remove old relro handling.
6509         * output.h (class Output_section): Add new methods: is_last_relro,
6510         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6511         Add is_last_relro_ and is_first_non_relro_ fields.
6512         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6513         Create separate .got.plt section.  Call increase_relro.
6514         * x86_64.cc (Target_x86_64::got_section): Likewise.
6515         * testsuite/relro_script_test.t: Add .got.plt.
6516
6517         PR 10450
6518         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6519         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6520         (Layout::finalize): Call set_dynamic_symbol_size.
6521         (Layout::set_dynamic_symbol_size): New function.
6522         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6523         set_dynamic_symbol_size.
6524
6525         PR 10450
6526         * output.h (class Output_section): Add is_entsize_zero_ field.
6527         * output.cc (Output_section::Output_section): Initialize
6528         is_entsize_zero_.
6529         (Output_section::set_entsize): If two different entsizes are
6530         requested, force it to zero.
6531         (Output_section::add_input_section): Set flags for .debug_str
6532         before updating section flags.  Set entsize.
6533         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6534         and SHF_STRING if all input sections have those flags.
6535
6536 2009-12-29   Rafael Espindola  <espindola@google.com>
6537
6538         * main.cc (main): Fix the sys time reporting.
6539         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6540         reporting.
6541
6542 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6543
6544         * options.cc (General_options::parse_version): Allow -v to exit
6545         without an error if there is nothing to link.
6546
6547 2009-12-29  Ian Lance Taylor  <iant@google.com>
6548
6549         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6550         using a version of gcc before 4.1.
6551         * configure: Rebuild.
6552
6553 2009-12-28  Chris Demetriou  <cgd@google.com>
6554
6555         * attributes.cc (Output_attributes_section_data::do_write): Use
6556         std::vector::front rather than std::vector::data.
6557
6558 2009-12-28  Ian Lance Taylor  <iant@google.com>
6559
6560         * symtab.h (class Symbol_table): Add enum Defined.
6561         * resolve.cc (Symbol_table::should_override): Add defined
6562         parameter.  Change all callers.  Test whether object is NULL
6563         before calling a method on it.
6564         (Symbol_table::report_resolve_problem): Add defined parameter.
6565         Change all callers.
6566         (Symbol_table::should_override_with_special): Likewise.
6567         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6568         parameter.  Change all callers.
6569         (Symbol_table::do_define_in_output_data): Likewise.
6570         (Symbol_table::define_in_output_segment): Likewise.
6571         (Symbol_table::do_define_in_output_segment): Likewise.
6572         (Symbol_table::define_as_constant): Likewise.
6573         (Symbol_table::do_define_as_constant): Likewise.
6574         * script.h (class Symbol_assignment): Add is_defsym parameter to
6575         constructor; change all callers.
6576         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6577         parameter.  Change all callers.  Add is_defsym_ field.
6578         (class Parser_closure): Add parsing_defsym parameter to
6579         constructor; change all callers.  Add parsing_defsym accessor
6580         function.  Add parsing_defsym_ field.
6581
6582 2009-12-28  Ian Lance Taylor  <iant@google.com>
6583
6584         * gold.cc (queue_middle_tasks): Fix formatting.
6585         * object.cc (Relobj::is_section_name_included): Likewise.
6586
6587 2009-12-23  Ian Lance Taylor  <iant@google.com>
6588
6589         * i386.cc (Target_i386::do_calls_non_split): Recognize
6590         -fsplit-stack prologue for a function with a static chain.
6591         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6592         -fsplit-stack prologue when using %r11.
6593
6594 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6595
6596         * options.cc (General_options::parse_version): Make -v continue and do
6597         the link like GNU ld does.
6598
6599 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6600
6601         * Makefile.am (CCFILES): Add timer.cc.
6602         (HFILES): Add timer.h.
6603         * configure.ac: Check for sysconf and times.
6604         * main.cc: include timer.h.
6605         (main): Use Timer instead of get_run_time.
6606         * timer.cc: New.
6607         * timer.h: New.
6608         * workqueue.cc: include timer.h.
6609         (Workqueue::find_and_run_task):
6610         Report user, sys and wall time.
6611         * Makefile.in: Regenerate.
6612         * config.in: Regenerate.
6613         * configure: Regenerate.
6614
6615 2009-12-16  Doug Kwan  <dougkwan@google.com>
6616
6617         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6618         sections.
6619         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6620         relaxed input sections.
6621         * output.cc (Output_section::find_relaxed_input_section): Change
6622         return type to Output_relaxed_input_section pointer.  Adjust code
6623         for new type of relaxed_input_section_map_.
6624         * output.h (Output_section::find_relaxed_input_section): Change
6625         return type to Output_relaxed_input_section pointer.
6626         (Output_section::Output_relaxed_input_section_by_input_section_map):
6627         New type.
6628         (Output_section::relaxed_input_section_map_): Change type to
6629         Output_section::Output_relaxed_input_section_by_input_section_map.
6630         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6631         input section.
6632
6633 2009-12-15  Ian Lance Taylor  <iant@google.com>
6634
6635         * layout.cc (Layout::create_shstrtab): Only write out after input
6636         sections if we are compressing debug sections.
6637
6638 2009-12-15  Ian Lance Taylor  <iant@google.com>
6639
6640         * archive.cc (Archive::add_symbols): Only look up a symbol without
6641         a version if there is, in fact, a version.
6642
6643 2009-12-14  Ian Lance Taylor  <iant@google.com>
6644
6645         Revert -Wshadow changes, all changes from:
6646         2009-12-11  Doug Kwan  <dougkwan@google.com>
6647         2009-12-11  Nick Clifton  <nickc@redhat.com>
6648         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6649
6650 2009-12-11  Doug Kwan  <dougkwan@google.com>
6651
6652         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6653         due to -Wshadow.
6654         * attributes.cc (Object_attribute::size): Ditto.
6655         (Attributes_section_data::size): Ditto.
6656         (Attributes_section_data::Attributes_section_data): Ditto.
6657         (Output_attributes_section_data::do_write): Ditto.
6658         * attributes.h (Object_attribute::set_type): Ditto.
6659         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6660
6661 2009-12-11  Nick Clifton  <nickc@redhat.com>
6662
6663         * archive.cc: Fix shadowed variable warnings.
6664         * arm.cc: Likewise.
6665         * compressed_output.cc: Likewise.
6666         * compressed_output.h: Likewise.
6667         * configure: Likewise.
6668         * dwarf_reader.cc: Likewise.
6669         * dynobj.cc: Likewise.
6670         * dynobj.h: Likewise.
6671         * ehframe.cc: Likewise.
6672         * ehframe.h: Likewise.
6673         * errors.cc: Likewise.
6674         * expression.cc: Likewise.
6675         * fileread.cc: Likewise.
6676         * fileread.h: Likewise.
6677         * freebsd.h: Likewise.
6678         * i386.cc: Likewise.
6679         * icf.cc: Likewise.
6680         * incremental.h: Likewise.
6681         * layout.cc: Likewise.
6682         * layout.h: Likewise.
6683         * mapfile.cc: Likewise.
6684         * merge.cc: Likewise.
6685         * merge.h: Likewise.
6686         * object.cc: Likewise.
6687         * object.h: Likewise.
6688         * options.h: Likewise.
6689         * output.cc: Likewise.
6690         * output.h: Likewise.
6691         * parameters.cc: Likewise.
6692         * plugin.cc: Likewise.
6693         * powerpc.cc: Likewise.
6694         * reduced_debug_output.cc: Likewise.
6695         * reduced_debug_output.h: Likewise.
6696         * reloc.cc: Likewise.
6697         * reloc.h: Likewise.
6698         * resolve.cc: Likewise.
6699         * script-sections.cc: Likewise.
6700         * script.cc: Likewise.
6701         * script.h: Likewise.
6702         * sparc.cc: Likewise.
6703         * symtab.cc: Likewise.
6704         * symtab.h: Likewise.
6705         * target-select.cc: Likewise.
6706         * target-select.h: Likewise.
6707         * token.h: Likewise.
6708         * workqueue.cc: Likewise.
6709         * workqueue.h: Likewise.
6710         * x86_64.cc: Likewise.
6711
6712 2009-12-10  Doug Kwan  <dougkwan@google.com>
6713
6714         * arm.cc (attributes.h): New include.
6715         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6716         (Arm_relobj::~Arm_relobj): Delete object pointed by
6717         attributes_section_data_.
6718         (Arm_relobj::attributes_section_data): New method definition.
6719         (Arm_relobj::attributes_section_data_): New data member declaration.
6720         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6721         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6722         attributes_section_data_.
6723         (Arm_dynobj::attributes_section_data): New method definition.
6724         (Arm_dynobj::attributes_section_data_): New data member declaration.
6725         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6726         initialization value of may_use_blx_ to false.
6727         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6728         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6729         object attributes to compute results instead of hard-coding.
6730         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6731         Target_arm::get_secondary_compatible_arch,
6732         Target_arm::set_secondary_compatible_arch
6733         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6734         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6735         New method declarations.
6736         (Target_arm::get_aeabi_object_attribute): New method definition.
6737         (Target_arm::attributes_section_data_): New data member declaration.
6738         (read_arm_attributes_section): New template definition.
6739         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6740         (Arm_dynobj::do_read_symbols): Ditto.
6741         (Target_arm::do_finalize_sections): Merge attributes sections from
6742         input.  Check for BLX use after attributes section merging.
6743         Fix __exidx_start and __exidx_end visibility.  Create an
6744         .ARM.attributes section if necessary.
6745         (Target_arm::get_secondary_compatible_arch,
6746         Target_arm::set_secondary_compatible_arch,
6747         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6748         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6749         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6750         New method definitions.
6751
6752 2009-12-09  Ian Lance Taylor  <iant@google.com>
6753
6754         * plugin.cc (Plugin::load): Don't cast from void* to a function
6755         pointer.
6756
6757 2009-12-09  Ian Lance Taylor  <iant@google.com>
6758
6759         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6760         information fields.
6761
6762 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6763
6764         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6765         Replace two_file_shared_1.so with two_file_shared_2.so.
6766         * testsuite/Makefile.in: Regenerated.
6767
6768 2009-12-08  Doug Kwan  <dougkwan@google.com>
6769
6770         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6771         (HFILES): Add attributes.h and int_encoding.h.
6772         * Makefile.in: Regenerate.
6773         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6774         function definitions to int_encoding.cc
6775         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6776         prototypes to int_encoding.h
6777         * reduced_debug_output.cc (int_encoding.h): New include.
6778         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6779         function definitions to int_encoding.cc
6780         (insert_into_vector, read_from_pointer): Move template definitions to
6781         int_encoding.h
6782         * attributes.cc: New file.
6783         * attributes.h: New file.
6784         * int_encoding.cc: New file.
6785         * int_encoding.h: New file.
6786
6787 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6788
6789         PR gold/11055
6790         * incremental-dump.cc (dump_incremental_inputs): New.
6791         (main): Use dump_incremental_inputs.
6792
6793 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6794
6795         PR gold/10893
6796         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6797         checking elfcpp::STT_FUNC.
6798         (Target_i386::Relocate::relocate): Likewise.
6799         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6800
6801         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6802         symbols from shared libraries into normal FUNC symbols.
6803
6804         * symtab.h (Symbol): Add is_func and use it.
6805
6806 2009-12-05  Doug Kwan  <dougkwan@google.com>
6807
6808         * arm.cc (Target_arm::arm_info): Initialize new fields
6809         attributes_section and attributes_vendor.
6810         * i386.cc (Target_i386::i386_info): Same.
6811         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6812         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6813         fields attributes_section and attributes_vendor.
6814         * sparc.cc (Target_sparc::sparc_info): Same.
6815         * target.h (Target::attributes_section, Target::attributes_vendor,
6816         Target::is_attributes_section, Target::attribute_arg_type,
6817         Target::attributes_order): New method definitions.
6818         (Target::Target_info::attributes_section,
6819         Target::Target_info::attributes_vendor): New fields.
6820         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6821         virtual method definitions.
6822         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6823         attributes_section and attributes_vendor.
6824         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6825
6826 2009-12-05  Doug Kwan  <dougkwan@google.com>
6827
6828         * arm.cc: Update comments about interworking and stub generation.
6829         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6830         considered as non-PIC.
6831         (Arm_relocate_functions::base_abs): Fix formatting.
6832         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6833         of function to use GOT entry address instead of offset.
6834         (Target_arm::Scan::global): Issue an error if a symbol would need a
6835         PLT does not get one because it is untyped.  Remove code to create
6836         dynamic symbols for relative branches.
6837         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6838         takes unsigned integer instead of boolean.
6839
6840 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6841
6842         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6843         (two_file_test_LDADD): Likewise.
6844         (common_test_1_LDADD): Likewise.
6845         (exception_test_LDADD) Likewise.
6846         (weak_test_LDADD): Likewise.
6847         (many_sections_test_LDADD): Likewise.
6848         (initpri1_LDADD): Likewise.
6849         (script_test_1_LDADD): Likewise.
6850         (script_test_2_LDADD): Likewise.
6851         (justsyms_LDADD): Likewise.
6852         (binary_test_LDADD): Likewise.
6853         (large_LDADD): Likewise.
6854         * testsuite/Makefile.in: Regenerated.
6855
6856 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6857
6858         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6859         (Symbol_table::override_with_special): Likewise.
6860         (Symbol_table::add_from_object): Likewise.
6861
6862 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6863
6864         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6865         Don't set the data_offset twice.
6866
6867 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6868
6869         * testsuite/Makefile.in: Regenerate.
6870
6871 2009-12-03  Doug Kwan  <dougkwan@google.com>
6872
6873         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6874         (Target_arm::do_finalize_sections): Add parameter for symbol table
6875         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6876         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6877         parameter for symbol table pointer.
6878         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6879         an additional parameter for a pointer to symbol table.
6880         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6881         parameter for a symbol table pointer.
6882         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6883         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6884         Ditto.
6885         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6886         parameter for a symbol table pointer.
6887
6888 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6889
6890         * incremental.cc (Incremental_inputs_header)
6891         (Incremental_inputs_header_write, Incremental_inputs_entry)
6892         (Incremental_inputs_entry_write): Move ...
6893         * incremental.h (Incremental_inputs_header)
6894         (Incremental_inputs_header_write, Incremental_inputs_entry)
6895         (Incremental_inputs_entry_write): here.
6896
6897 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6898
6899         * incremental.cc (make_sized_incremental_binary): Set the target.
6900         Error if it is incompatible.
6901         * output.h (Output_file): Add filename method.
6902
6903 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6904
6905         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6906         from the get_* methods.
6907
6908 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6909
6910         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6911         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6912         Write 0 for the data_offset of scripts.
6913
6914 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6915
6916         * testsuite/Makefile.am: Add the incremental_test.sh test.
6917         * testsuite/incremental_test.sh: New.
6918         * testsuite/incremental_test_1.c: New.
6919         * testsuite/incremental_test_2.c: New.
6920
6921 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6922
6923        * incremental-dump.cc (main): Fix typos.
6924
6925 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6926
6927         PR gold/11025
6928         * incremental-dump.cc (main): Use llu to print 64 bit values.
6929
6930 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6931             H.J. Lu  <hongjiu.lu@intel.com>
6932
6933         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6934         $(LIBDL).
6935         (incremental_dump_LDADD): Likewise.
6936         * Makefile.in: Regenerated.
6937
6938 2009-11-25  Doug Kwan  <dougkwan@google.com>
6939
6940         Revert:
6941
6942         2009-11-25  Doug Kwan  <dougkwan@google.com>
6943
6944                 * arm.cc (Target_arm::Target_arm): Move method definition
6945                 outside of class definition.  Add code to handle
6946                 --target1-rel, --target1-abs and --target2= options.
6947                 (Target_arm::get_reloc_reloc_type): Change method to be
6948                 non-static and const.
6949                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6950                 New data member declaration.
6951                 (Target_arm::Scan::local, Target_arm::Scan::global,
6952                 Target_arm::Relocate::relocate,
6953                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6954                 Adjust call to Target_arm::get_real_reloc_type.
6955                 (Target_arm::get_real_reloc_type): Use command line options
6956                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6957                 * options.h (--target1-rel, --target1-abs, --target2): New
6958                 ARM-only options.
6959
6960 2009-11-25  Doug Kwan  <dougkwan@google.com>
6961
6962         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6963         class definition.  Add code to handle --target1-rel, --target1-abs
6964         and --target2= options.
6965         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6966         and const.
6967         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6968         member declaration.
6969         (Target_arm::Scan::local, Target_arm::Scan::global,
6970         Target_arm::Relocate::relocate,
6971         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6972         call to Target_arm::get_real_reloc_type.
6973         (Target_arm::get_real_reloc_type): Use command line options to
6974         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6975         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6976         options.
6977
6978 2009-11-25  Doug Kwan  <dougkwan@google.com>
6979
6980         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6981         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6982         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6983         formatting.
6984         (Arm_relocate_functions::thm_call): Replace body with a call to
6985         Arm_relocate_functions::thumb_branch_common.
6986         (Arm_relocate_functions::thm_jump24,
6987         Arm_relocate_functions::thm_xpc22): New method definitions.
6988         (Arm_relocate_functions::thumb_branch_common): New method definition.
6989         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6990         operator.
6991         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6992         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6993
6994 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6995
6996         * Makefile.am: Build incremental-dump
6997         * Makefile.in: Regenerate.
6998         * incremental-dump.cc: New.
6999         * incremental.cc (Incremental_inputs_header_data,
7000         Incremental_inputs_entry_data): Move to incremental.h
7001         * incremental.h: (Incremental_inputs_header_data,
7002         Incremental_inputs_entry_data): Move from incremental.cc
7003
7004 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7005
7006         * incremental.cc (Incremental_inputs_header,
7007         Incremental_inputs_header_write, Incremental_inputs_entry,
7008         Incremental_inputs_entry_write): Add a typedef with the data type.
7009
7010 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7011
7012         * incremental.cc (Incremental_inputs_header,
7013         Incremental_inputs_header_write, Incremental_inputs_entry,
7014         Incremental_inputs_entry_write): Update comment about which
7015         type has the filed descriptions.
7016
7017 2009-11-15  Doug Kwan  <dougkwan@google.com>
7018
7019         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7020         (Arm_relocate_functions::arm_branch_common): Change method defintion
7021         in class definition to a method declaration and update list of formal
7022         parameters.
7023         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7024         Arm_relocation_functions::jump24): Adjust call to
7025         Arm_relocate_functions::arm_branch_common.  Update list of formal
7026         parameters.
7027         (Arm_relocate_functions::xpc25): New method definition.
7028         (Arm_relocate_functions::arm_branch_common): Move method defintion
7029         out from class definition.  Use stubs for mode-switching and extending
7030         branch ranges.
7031         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7032         specially.  Change code to enable use of stubs in ARM branches.
7033
7034 2009-11-10  Doug Kwan  <dougkwan@google.com>
7035
7036         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7037         in method declaration.
7038         (Target_arm::relocate_stub): New method declaration.
7039         (Target_arm::default_target): Change to return a pointer instead of
7040         a const reference.
7041         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7042         Target_arm::default_target.
7043         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7044         method definition.
7045         (Target_arm::relocate_section): Adjust view.
7046         (Target_arm::relocate_stub): New method definition.
7047
7048 2009-11-10  Doug Kwan  <dougkwan@google.com>
7049
7050         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7051         a format warning.
7052         * incremental.cc (open_incremental_binary): Initialized local
7053         variables to avoid warnings.
7054         * object.cc (make_elf_object): Ditto.
7055         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7056         a format warning.
7057
7058 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7059
7060         PR gold/10930
7061         * testsuite/plugin_test.c: Include "config.h".
7062
7063 2009-11-09  Doug Kwan  <dougkwan@google.com>
7064
7065         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7066         (arm_symbol_value): Remove.
7067         (Arm_relocate_functions::arm_branch_common,
7068         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7069         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7070         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7071         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7072         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7073         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7074         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7075         Arm_relocate_functions::thm_mobw_abs_nc,
7076         Arm_relocate_functions::thm_mov_abs,
7077         Arm_relocate_functions::movw_prel_nc,
7078         Arm_relocate_functions::thm_movt_abs,
7079         Arm_relocate_functions::movt_prel,
7080         Arm_relocate_functions::thm_movw_prel_nc,
7081         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7082         (Target_arm::Relocate::relocate): Only decompose address into two
7083         parts if relocation type uses the thumb-bit and pass the actual
7084         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7085         calls to methods in Arm_relocate_functions for this change.
7086
7087 2009-11-08  Ian Lance Taylor  <iant@google.com>
7088
7089         PR 10925
7090         * reloc.cc: Instantiate
7091         Sized_relobj::initialize_input_to_output_maps and
7092         Sized_relobj:free_input_to_output_maps.
7093
7094 2009-11-06  Ian Lance Taylor  <iant@google.com>
7095
7096         PR 10876
7097         * defstd.cc (in_segment): Set only_if_ref true for "end".
7098
7099 2009-11-06  Doug Kwan  <dougkwan@google.com>
7100
7101         * arm.cc (class Reloc_stub): Correct a comment.
7102         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7103         (Target_arm::scan_section_for_stubs): New method declaration.
7104         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7105         Change methods from private to protected.
7106         (Target_arm::do_may_relax): New method definition.
7107         (Target_arm::do_relax, Target_arm::group_sections,
7108         Target_arm::scan_reloc_for_stub,
7109         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7110         (Target_arm::arm_input_section_map_): New data member declaration.
7111         (Target_arm::scan_reloc_for_stub,
7112         Target_arm::scan_reloc_section_for_stubs,
7113         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7114         Target_arm::do_relax): New method definitions.
7115
7116 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7117
7118         * configure.ac: Check for (struct stat)::st_mtim
7119         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7120         * config.in: Regenerate.
7121         * configure: Regenerate.
7122
7123 2009-11-05  Ian Lance Taylor  <iant@google.com>
7124
7125         PR 10910
7126         * output.cc (Output_segment::add_output_section): Add missing
7127         return statement.
7128
7129 2009-11-04  Ian Lance Taylor  <iant@google.com>
7130
7131         PR 10880
7132         * object.h (class Object): Add is_needed and set_is_needed
7133         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7134         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7135         defined in a dynamic object and referenced by a regular object,
7136         set is_needed for the dynamic object.
7137         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7138         if the file is marked with as_needed and it is not needed.
7139
7140 2009-11-04  Ian Lance Taylor  <iant@google.com>
7141
7142         PR 10887
7143         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7144         tags if data is discarded by linker script.
7145         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7146         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7147         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7148         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7149
7150 2009-11-04  Ian Lance Taylor  <iant@google.com>
7151
7152         * layout.cc (Layout::get_output_section): Add is_interp and
7153         is_dynamic_linker_section parameters.  Change all callers.
7154         (Layout::choose_output_section): Likewise.
7155         (Layout::make_output_section): Likewise.
7156         (Layout::add_output_section_data): Add is_dynamic_linker_section
7157         parameter.  Change all callers.
7158         * layout.h (class Layout): Update declarations.
7159         * output.h (class Output_section): Add is_interp, set_is_interp,
7160         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7161         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7162         generate_code_fills_at_write_ to a bitfield.
7163         * output.cc (Output_section::Output_sections): Initialize new
7164         fields.
7165         (Output_segment::add_output_section): Add do_sort parameter.
7166         Change all callers.
7167
7168 2009-11-03  Ian Lance Taylor  <iant@google.com>
7169
7170         PR 10860
7171         * options.h (class General_options): Add --warn-common.
7172         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7173         merging two common symbols.
7174         (Symbol_table::should_override): Handle --warn-common when merging
7175         a common symbol with a defined symbol.  Use report_resolve_problem
7176         for multiple definitions.
7177         (Symbol_table::report_resolve_problem): New function.
7178         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7179
7180 2009-11-03  Doug Kwan  <dougkwan@google.com>
7181
7182         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7183         stub_factory_.
7184         (Target_arm::stub_factory): New method definition.
7185         (Target_arm::new_arm_input_section,
7186         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7187         Target_arm::reloc_uses_thumb_bit): New method declarations.
7188         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7189         New type definitions.
7190         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7191         member declarations.
7192         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7193         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7194         New method definitions.
7195
7196 2009-11-03  Ian Lance Taylor  <iant@google.com>
7197
7198         * options.h (class General_options): Add --warn_constructors.
7199
7200 2009-11-03  Ian Lance Taylor  <iant@google.com>
7201
7202         PR 10893
7203         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7204         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7205
7206 2009-11-03  Ian Lance Taylor  <iant@google.com>
7207
7208         PR 10895
7209         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7210         --msgid-bugs-address.
7211         (install-pdf): New target.
7212         (install-data_yes): Look up one directory to find mkinstalldirs.
7213
7214 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7215
7216         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7217         tree.
7218
7219 2009-10-30  Doug Kwan  <dougkwan@google.com>
7220
7221         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7222
7223 2009-10-30  Doug Kwan  <dougkwan@google.com>
7224
7225         * arm.cc (Stub_addend_reader): New struct template definition
7226         and partial specializations.
7227         (Stub_addend_reader::operator()): New method definition for a
7228         partially specialized template.
7229
7230 2009-10-30  Doug Kwan  <dougkwan@google.com>
7231
7232         * arm.cc (Arm_relobj::processor_specific_flags): New method
7233         definition.
7234         (Arm_relobj::do_read_symbols): New method declaration.
7235         (Arm_relobj::processor_specific_flags_): New data member declaration.
7236         (Arm_dynobj): New class definition.
7237         (Target_arm::do_finalize_sections): Add input_objects parameter.
7238         (Target_arm::do_adjust_elf_header): New method declaration.
7239         (Target_arm::are_eabi_versions_compatible,
7240         (Target_arm::merge_processor_specific_flags): New method declaration.
7241         (Target_arm::do_make_elf_object): New overloaded method definitions
7242         and declaration.
7243         (Arm_relobj::do_read_symbols): New method definition.
7244         (Arm_dynobj::do_read_symbols): Ditto.
7245         (Target_arm::do_finalize_sections): Add input_objects parameters.
7246         Merge processor-specific flags from all input objects.
7247         (Target_arm::are_eabi_versions_compatible,
7248         Target_arm::merge_processor_specific_flags,
7249         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7250         New method definitions.
7251         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7252         Input_objects pointer type parameter.
7253         * layout.cc (Layout::finalize): Pass input objects to target's.
7254         finalize_sections function.
7255         * output.cc (Output_file_header::do_sized_write): Set ELF file
7256         header's processor-specific flags.
7257         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7258         Input_objects pointer type parameter.
7259         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7260         * target.h (Input_objects): New forward class declaration.
7261         (Target::processor_specific_flags,
7262         Target::are_processor_specific_flags_sect): New method definitions.
7263         (Target::finalize_sections): Add input_objects parameter.
7264         (Target::Target): Initialize processor_specific_flags_ and
7265         are_processor_specific_flags_set_.
7266         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7267         parameter.
7268         (Target::set_processor_specific_flags): New method definition.
7269         (Target::processor_specific_flags_,
7270         Target::are_processor_specific_flags_set_): New data member
7271         declarations.
7272         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7273         Input_objects pointer type parameter.
7274
7275 2009-10-30  Doug Kwan  <dougkwan@google.com>
7276
7277         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7278
7279 2009-10-28  Ian Lance Taylor  <iant@google.com>
7280
7281         * object.h (class Relobj): Drop options parameter from
7282         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7283         do_scan_relocs, do_relocate.  Change all callers.
7284         (class Sized_relobj): Drop options parameters from
7285         do_gc_process_relocs, do_scan_relocs, do_relocate,
7286         do_relocate_sections, relocate_sections, emit_relocs_scan,
7287         emit_relocs_scan_reltype.  Change all callers.
7288         (struct Relocate_info): Remove options field and all references to
7289         it.
7290         * reloc.h (class Read_relocs): Remove options constructor
7291         parameter and options_ field.  Change all callers.
7292         (class Gc_process_relocs, class Scan_relocs): Likewise.
7293         (class Relocate_task): Likewise.
7294         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7295         all callers.
7296         (scan_relocatable_relocs): Likewise.
7297         * target.h (class Sized_target): Remove options parameter from
7298         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7299         all callers.
7300         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7301         callers.
7302         * arm.cc: Update functions to remove options parameters.
7303         * i386.cc: Likewise.
7304         * powerpc.cc: Likewise.
7305         * sparc.cc: Likewise.
7306         * x86_64.cc: Likewise.
7307         * testsuite/testfile.cc: Likewise.
7308
7309 2009-10-28  Doug Kwan  <dougkwan@google.com>
7310
7311         * arm.cc (Arm_relobj): New class definition.
7312         (Arm_relobj::scan_sections_for_stubs,
7313         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7314         New method definitions.
7315
7316 2009-10-28  Cary Coutant  <ccoutant@google.com>
7317
7318         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7319         (Plugin::cleanup_done_): New member.
7320         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7321         (Plugin_manager::cleanup_done_): Remove.
7322         (Plugin_manager::add_input_file): Edit error message.
7323         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7324         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7325
7326 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7327
7328         * fileread.cc: (File_read::View::~View): Use the new
7329         data_ownership_ filed.
7330         (File_read::~File_read): Dispose the new whole_file_view_.
7331         (File_read::open): Mmap the whole file if needed.
7332         (File_read::open): Use whole_file_view_ instead of contents_.
7333         (File_read::find_view): Use whole_file_view_ if applicable.
7334         (File_read::do_read): Use whole_file_view_ instead of contents_.
7335         (File_read::make_view): Use whole_file_view_ instead of contents_,
7336         update File_read::View::View call.
7337         (File_read::find_or_make_view): Update File_read::View::View
7338         call.
7339         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7340         remove contents_
7341         (File_read::View::Data_ownership): New enum.
7342         (File_read::View::View): Replace bool mapped_ with Data_ownership
7343         argument.
7344         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7345         (File_read::View::data_ownership_): New field.
7346         (File_read::contents_): Remove (replaced by whole_file_view_).
7347         (File_read::whole_file_view_): New field.
7348         * options.h (class General_options): Add --keep-files-mapped.
7349
7350 2009-10-27  Cary Coutant  <ccoutant@google.com>
7351
7352         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7353         * testsuite/Makefile.am (plugin_test_5): New test case.
7354         * testsuite/Makefile.in: Regenerate.
7355
7356 2009-10-25  Doug Kwan  <dougkwan@google.com>
7357
7358         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7359         from private to protected to allow access by child class.
7360         (Sized_relobj::do_relocate_sections): New method declaration.
7361         (Sized_relobj::relocate_sections): Virtualize.
7362         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7363         Sized_relobj::relocate_sections.  Instantiate template explicitly
7364         for different target sizes and endianity.
7365
7366 2009-10-24  Doug Kwan  <dougkwan@google.com>
7367
7368         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7369         (Arm_input_section::as_arm_input_section): New method.
7370         (Arm_output_section): New class definition.
7371         (Arm_output_section::create_stub_group,
7372         Arm_output_section::group_sections): New method definitions.
7373
7374 2009-10-22  Doug Kwan  <dougkwan@google.com>
7375
7376         * arm.cc (Arm_input_section): New class definition.
7377         (Arm_input_section::init, Arm_input_section:do_write,
7378         Arm_input_section::set_final_data_size,
7379         Arm_input_section::do_reset_address_and_file_offset): New method
7380         definitions.
7381
7382 2009-10-21  Doug Kwan  <dougkwan@google.com>
7383
7384         * arm.cc (Stub_table, Arm_input_section): New forward class
7385         declarations.
7386         (Stub_table): New class defintion.
7387         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7388         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7389         New method definition.
7390
7391 2009-10-21  Doug Kwan  <dougkwan@google.com>
7392
7393         * arm.cc: Update copyright comments.
7394         (Target_arm): New forward class template declaration.
7395         (Arm_address): New type.
7396         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7397         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7398         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7399         constants.
7400         (Insn_template): Same.
7401         (DEF_STUBS): New macro.
7402         (Stub_type): New enum type.
7403         (Stub_template): New class definition.
7404         (Stub): Same.
7405         (Reloc_stub): Same.
7406         (Stub_factory): Same.
7407         (Target_arm::Target_arm): Initialize may_use_blx_ and
7408         should_force_pic_veneer_.
7409         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7410         Target_arm::should_force_pic_veneer,
7411         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7412         Target_arm::using_thumb_only, Target_arm:;default_target): New
7413         method defintions.
7414         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7415         New data member declarations.
7416         (Insn_template::size, Insn_template::alignment): New method defintions.
7417         (Stub_template::Stub_template): New method definition.
7418         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7419         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7420         (Stub_factory::Stub_factory): New method definition.
7421         * gold.h (string_hash): New template.
7422         * output.h (Input_section_specifier::hash_value): Use
7423         gold::string_hash.
7424         (Input_section_specifier::string_hash): Remove.
7425         * stringpool.cc (Stringpool_template::string_hash): Use
7426         gold::string_hash.
7427
7428 2009-10-20  Doug Kwan  <dougkwan@google.com>
7429
7430         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7431         symbols of relaxed input sections.
7432         * output.h (Output_section::find_relaxed_input_section): Make
7433         method public.
7434
7435 2009-10-16  Doug Kwan  <dougkwan@google.com>
7436
7437         * dynobj.cc (Versions::Versions): Initialize version_script_.
7438         Only insert base version symbol definition for a shared object
7439         if version script defines any version versions.
7440         (Versions::define_base_version): New method definition.
7441         (Versions::add_def): Check that base version is not needed.
7442         (Versions::add_need): Define base version lazily.
7443         * dynobj.h (Versions::define_base_version): New method declaration.
7444         (Versions::needs_base_version_): New data member declaration.
7445         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7446         (check_DATA): Add no_version_test.stdout.
7447         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7448         New make rules.
7449         * testsuite/Makefile.in: Regenerate.
7450         * testsuite/no_version_test.c: New file.
7451         * testsuite/no_version_test.sh: Ditto.
7452
7453 2009-10-16  Doug Kwan  <dougkwan@google.com>
7454
7455         * expression.cc (class Segment_start_expression): New class definition.
7456         (Segment_start_expression::value): New method definition.
7457         (script_exp_function_segment_start): Return a new
7458         Segment_start_expression.
7459         * gold/script-c.h (script_saw_segment_start_expression): New function
7460         prototype.
7461         * script-sections.cc (Script_sections::Script_sections): Initialize
7462         SAW_SEGMENT_START_EXPRESSION_ to false.
7463         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7464         and -Tbbs options to specify section addresses if given in
7465         command line and no SEGMENT_START expression is seen in a script.
7466         * script-sections.h (Script_sections::saw_segment_start_expression,
7467         Script_sections::set_saw_segment_start_expression): New method
7468         definition.
7469         (Script_sections::saw_segment_start_expression_): New data member
7470         declaration.
7471         * script.cc (script_saw_segment_start_expression): New function.
7472         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7473         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7474         script_test_7.sh and script_test_8.sh.
7475         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7476         script_test_8.stdout.
7477         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7478         (script_test_6, script_test_6.stdout, script_test_7,
7479         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7480         * Makefile.in: Regenerate.
7481         * testsuite/script_test_6.sh: New file.
7482         * testsuite/script_test_6.t: Same.
7483         * testsuite/script_test_7.sh: Same.
7484         * testsuite/script_test_7.t: Same.
7485         * testsuite/script_test_8.sh: Same.
7486
7487 2009-10-16  Doug Kwan  <dougkwan@google.com>
7488
7489         * output.cc (Output_segment::set_section_list_address): Cast
7490         expressions to unsigned long long type to avoid format warnings.
7491
7492 2009-10-15  Ian Lance Taylor  <iant@google.com>
7493
7494         * script.cc (Script_options::add_symbol_assignment): Always add a
7495         dot assignment to script_sections_.
7496         * script-sections.cc (Script_sections::add_dot_assignment):
7497         Initialize if necessary.
7498
7499         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7500         program headers with no load segment if there is a linker script.
7501
7502         * layout.cc (Layout::set_segment_offsets): Align the file offset
7503         to the segment aligment for -N or -n with no load segment.
7504         * output.cc (Output_segment::add_output_section): Don't crash if
7505         the first section is a TLS section.
7506         (Output_segment::set_section_list_addresses): Print an error
7507         message if the address moves backward in a linker script.
7508         * script-sections.cc
7509         (Output_section_element_input::set_section_addresses): Don't
7510         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7511         (Orphan_output_section::set_section_addresses): Likewise.
7512
7513 2009-10-15  Doug Kwan  <dougkwan@google.com>
7514
7515         * layout.cc (Layout::finish_dynamic_section): Generate tags
7516         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7517         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7518         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7519
7520 2009-10-14  Ian Lance Taylor  <iant@google.com>
7521
7522         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7523         fields.
7524         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7525         data_shdr fields of relinfo.
7526         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7527         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7528         R_386_TLS_LDO_32, adjust based on section flags.
7529         (Target_i386::Relocate::fix_up_ldo): Remove.
7530
7531 2009-10-13  Ian Lance Taylor  <iant@google.com>
7532
7533         Add support for -pie.
7534         * options.h (class General_options): Add -pie and
7535         --pic-executable.
7536         (General_options::output_is_position_independent): Test -pie.
7537         (General_options::output_is_executable): Return true if not shared
7538         and not relocatable.
7539         (General_options::output_is_pie): Remove.
7540         * options.cc (General_options::finalize): Reject incompatible uses
7541         of -pie.
7542         * gold.cc (queue_middle_tasks): A -pie link is not static.
7543         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7544         * symtab.cc (Symbol::final_value_is_known): Return false if
7545         output_is_position_independent.
7546         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7547         output_is_position_independent.
7548         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7549         output_is_position_independent.
7550         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7551         output_is_position_independent.
7552         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7553         two_file_pie_test.
7554         (basic_pie_test.o, basic_pie_test): New targets.
7555         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7556         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7557         (two_file_pie_test): New target.
7558         * testsuite/Makefile.in: Rebuild.
7559         * README: Remove note saying that -pie is not supported.
7560
7561 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7562
7563         * options.h (class General_options): Add -init and -fini.
7564         * layout.cc (Layout::finish_dynamic_section): Emit
7565         given init and fini functions.
7566
7567 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7568
7569         * gc.h (gc_process_relocs): Check if icf is enabled using new
7570         function.
7571         * gold.cc (queue_initial_tasks): Likewise.
7572         (queue_middle_tasks): Likewise.
7573         * object.cc (do_layout): Likewise.
7574         * symtab.cc (is_section_folded): Likewise.
7575         * main.cc (main): Likewise.
7576         * reloc.cc (Read_relocs::run): Likewise.
7577         (Sized_relobj::do_scan_relocs): Likewise.
7578         * icf.cc (is_function_ctor_or_dtor): New function.
7579         (Icf::find_identical_sections): Check if function is ctor or dtor when
7580         safe icf is chosen.
7581         * options.h (General_options::icf): Change option to be an enum.
7582         (Icf_status): New enum.
7583         (icf_enabled): New method.
7584         (icf_safe_folding): New method.
7585         (set_icf_status): New method.
7586         (icf_status_): New variable.
7587         * (options.cc) (General_options::finalize): Set icf_status_.
7588         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7589         icf_test and icf_keep_unique_test to use the --icf enum flag.
7590         * testsuite/icf_safe_test.sh: New file.
7591         * testsuite/icf_safe_test.cc: New file.
7592
7593 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7594
7595         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7596         includes to gc.h and icf.h.
7597         * arm.cc: Include gc.h.
7598         * gold.cc: Likewise.
7599         * i386.cc: Likewise.
7600         * powerpc.cc: Likewise.
7601         * sparc.cc: Likewise.
7602         * x86_64.cc: Likewise.
7603         * gc.h: Include icf.h.
7604
7605 2009-10-11  Ian Lance Taylor  <iant@google.com>
7606
7607         * plugin.cc: Include "gold.h" before other header files.
7608
7609 2009-10-10  Chris Demetriou  <cgd@google.com>
7610
7611         * options.h (Input_file_argument::Input_file_type): New enum.
7612         (Input_file_argument::is_lib_): Replace with...
7613         (Input_file_argument::type_): New member.
7614         (Input_file_argument::Input_file_argument): Take Input_file_type
7615         'type' rather than boolean 'is_lib' as second argument.
7616         (Input_file_argument::is_lib): Use type_.
7617         (Input_file_argument::is_searched_file): New function.
7618         (Input_file_argument::may_need_search): Handle is_searched_file.
7619         * options.cc (General_options::parse_library): Support -l:filename.
7620         (General_options::parse_just_symbols): Update for Input_file_argument
7621         changes.
7622         (Command_line::process): Likewise.
7623         * archive.cc (Archive::get_file_and_offset): Likewise.
7624         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7625         * script.cc (read_script_file, script_add_file): Likewise.
7626         * fileread.cc (Input_file::Input_file): Likewise.
7627         (Input_file::will_search_for): Handle is_searched_file.
7628         (Input_file::open): Likewise.
7629         * readsyms.cc (Read_symbols::get_name): Likewise.
7630         * testsuite/Makefile.am (searched_file_test): New test.
7631         * testsuite/Makefile.in: Regenerate.
7632         * testsuite/searched_file_test.cc: New file.
7633         * testsuite/searched_file_test_lib.cc: New file.
7634
7635 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7636             Ian Lance Taylor  <iant@google.com>
7637
7638         * descriptor.cc: Include <cstdio> and "binary-io.h".
7639         (Descriptors::open): Open the files in binary mode always.
7640         * script.cc (Lex::get_token): Treat \r as whitespace.
7641
7642 2009-10-09  Ian Lance Taylor  <iant@google.com>
7643
7644         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7645
7646 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7647             Ian Lance Taylor  <iant@google.com>
7648
7649         * configure.ac: Check for readv function also.
7650         * fileread.cc (readv): Define if not HAVE_READV.
7651         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7652         does not exist.
7653         * config.in: Regenerate.
7654         * configure: Regenerate.
7655
7656 2009-10-09  Doug Kwan  <dougkwan@google.com>
7657
7658         * layout.cc (Layout::make_output_section): Call target hook to make
7659         ordinary output section.
7660         (Layout::finalize): Adjust parameter list of call the
7661         Target::may_relax().
7662         * layout.h (class Layout::section_list): New method.
7663         * merge.h (Output_merge_base::entsize): Change visibility to public.
7664         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7665         New methods.
7666         (Output_merge_string::do_is_string): New method.
7667         * object.cc (Sized_relobj::do_setup): renamed from
7668         Sized_relobj::set_up.
7669         * object.h (Sized_relobj::adjust_shndx,
7670         Sized_relobj::initializ_input_to_output_maps,
7671         Sized_relobj::free_input_to_output_maps): Change visibilities to
7672         protected.
7673         (Sized_relobj::setup): Virtualize.
7674         (Sized_relobj::do_setup): New method declaration.
7675         (Sized_relobj::invalidate_section_offset,
7676         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7677         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7678         * options.cc (parse_int): New function.
7679         * options.h (parse_int): New declaration.
7680         (DEFINE_int): New macro.
7681         (stub_group_size): New option.
7682         * output.cc (Output_section::Output_section): Initialize memebers
7683         merge_section_map_, merge_section_by_properties_map_,
7684         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7685         (Output_section::add_input_section): Handled deferred code-fill
7686         generation and remove an old comment.
7687         (Output_section::add_relaxed_input_section): New method definition.
7688         (Output_section::add_merge_input_section): Use merge section by
7689         properties map to speed to search.  Update merge section maps
7690         as appropriate.
7691         (Output_section::build_relaxation_map): New method definition.
7692         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7693         Same.
7694         (Output_section::relax_input_section): Renamed to
7695         Output_section::convert_input_sections_to_relaxed_sections and change
7696         interface to take a vector of pointers to relaxed sections.
7697         (Output_section::find_merge_section,
7698         Output_section::find_relaxed_input_section): New method definitions.
7699         (Output_section::is_input_address_mapped,
7700         Output_section::output_offset, Output_section::output_address):
7701         Use output section data maps to speed up searching.
7702         (Output_section::find_starting_output_address): Add comments.
7703         (Output_section::do_write,
7704         Output_section::write_to_postprocessing_buffer): Do code-fill
7705         generation as appropriate.
7706         (Output_section::get_input_sections): Invalidate relaxed input section
7707         map.
7708         (Output_section::restore_states): Adjust type of checkpoint .
7709         Invalidate relaxed input section map.
7710         * output.h (Output_merge_base): New class declaration.
7711         (Input_section_specifier): New class defintion.
7712         (class Output_relaxed_input_section) Change base class to
7713         Output_section_data_build.
7714         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7715         base class initializer.
7716         (Output_section::add_relaxed_input_section): New method declaration.
7717         (Output_section::Input_section): Change visibility to protected.
7718         (Output_section::Input_section::relobj,
7719         Output_section::Input_section::shndx): Handle relaxed input sections.
7720         Output_section::input_sections) Change visibility to protected.  Also
7721         define overload to return a non-const pointer.
7722         (Output_section::Merge_section_properties): New class defintion.
7723         (Output_section::Merge_section_by_properties_map,
7724         Output_section::Output_section_data_by_input_section_map,
7725         Output_section::Relaxation_map): New types.
7726         (Output_section::relax_input_section): Rename method to
7727         Output_section::convert_input_sections_to_relaxed_sections and change
7728         interface to take a vector of relaxed section pointers.
7729         (Output_section::find_merge_section,
7730         Output_section::find_relaxed_input_section,
7731         Output_section::build_relaxation_map,
7732         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7733         New method declarations.
7734         (Output_section::merge_section_map_
7735         Output_section::merge_section_by_properties_map_,
7736         Output_section::relaxed_input_section_map_,
7737         Output_section::is_relaxed_input_section_map_valid_,
7738         Output_section::generate_code_fills_at_write_): New data members.
7739         * script-sections.cc
7740         (Output_section_element_input::set_section_addresses): Call
7741         current_data_size and addralign methods of relaxed input sections.
7742         (Orphan_output_section::set_section_addresses): Call current_data_size
7743         and addralign methods of relaxed input sections.
7744         * symtab.cc (Symbol_table::compute_final_value): Extract template
7745         from the body of Symbol_table::sized_finalize_symbol.
7746         (Symbol_table::sized_finalized_symbol): Call
7747         Symbol_table::compute_final_value.
7748         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7749         (Symbol_table::compute_final_value): New templated method declaration.
7750         * target.cc (Target::do_make_output_section): New method defintion.
7751         * target.h (Target::make_output_section): New method declaration.
7752         (Target::relax): Add more parameters for input objects, symbol table
7753         and layout.  Adjust call to do_relax.
7754         (Target::do_make_output_section): New method declaration.
7755         (Target::do_relax): Add parameters for input objects, symbol table
7756         and layout.
7757
7758 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7759
7760         * pread.c: Include stdio.h.
7761
7762 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7763
7764         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7765         defined.
7766
7767 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7768
7769         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7770         Change read_shndx type to unsigned int.
7771         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7772         int.
7773         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7774         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7775         Change read_shndx type to unsigned int.
7776         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7777         int.
7778         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7779         * layout.cc (Layout::create_symtab_sections): Cast the result of
7780         local_symcount * symsize to off_t in the gold_assert.
7781
7782 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7783
7784         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7785         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7786         R_ARM_BASE_ABS.
7787         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7788         (Arm_relocate_functions::thm_abs5): New function.
7789         (Arm_relocate_functions::abs12): New function.
7790         (Arm_relocate_functions::abs16): New function.
7791         (Arm_relocate_functions::base_abs): New function.
7792         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7793         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7794         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7795         R_ARM_BASE_ABS.
7796         (Scan::global): Likewise.
7797         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7798         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7799         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7800         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7801         R_ARM_BASE_ABS.
7802
7803 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7804
7805         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7806         (Arm_relocate_functions::movt_prel): New function.
7807         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7808         (Arm_relocate_functions::thm_movt_prel): New function.
7809         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7810         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7811         (Scan::global, Relocate::relocate): Likewise.
7812         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7813
7814 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7815
7816         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7817         Incremental_checker.
7818         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7819         unsigned int.
7820         (class Incremental_inputs_header): New class.
7821         (Incremental_inputs_header_writer): Edit comment.
7822         (Incremental_inputs_entry): New class.
7823         (Incremental_inputs_entry_writer): Edit comment.
7824         (Sized_incremental_binary::do_find_incremental_inputs_section):
7825         Add *strtab_shndx parameter, fill it.
7826         (Sized_incremental_binary::do_check_inputs): New method.
7827         (Incremental_checker::can_incrementally_link_output_file): Use
7828         Sized_incremental_binary::check_inputs.
7829         (Incremental_inputs::report_command_line): Save command line in
7830         command_line_.
7831         * incremental.h:
7832         (Incremental_binary::find_incremental_inputs_section): New
7833         method.
7834         (Incremental_binary::do_find_incremental_inputs_section): Add
7835         strtab_shndx parameter.
7836         (Incremental_binary::do_check_inputs): New pure virtual method.
7837         (Sized_incremental_binary::do_check_inputs): Declare.
7838         (Incremental_checker::Incremental_checker): Add incremental_inputs
7839         parameter, use it to initialize incremental_inputs_.
7840         (Incremental_checker::incremental_inputs_): New field.
7841         (Incremental_checker::command_line): New method.
7842         (Incremental_checker::inputs): New method.
7843         (Incremental_checker::command_line_): New field.
7844
7845 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7846
7847         * incremental.cc: Include <cstdarg> and "target-select.h".
7848         (vexplain_no_incremental): New function.
7849         (explain_no_incremental): New function.
7850         (Incremental_binary::error): New method.
7851         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7852         method.
7853         (make_sized_incremental_binary): New function.
7854         (open_incremental_binary): New function.
7855         (can_incrementally_link_file): Add checks if output is ELF and has
7856         inputs section.
7857         * incremental.h: Include "elfcpp_file.h" and "output.h".
7858         (Incremental_binary): New class.
7859         (Sized_incremental_binary): New class.
7860         (open_incremental_binary): Declare.
7861         * object.cc (is_elf_object): Use
7862         elfcpp::Elf_recognizer::is_elf_file.
7863         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7864         * output.h (Output_file::filesize): New method.
7865
7866 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7867
7868         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7869         New function.
7870         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7871         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7872         function.
7873         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7874         function.
7875         (Arm_relocate_functions::movw_abs_nc): New function.
7876         (Arm_relocate_functions::movt_abs): New function.
7877         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7878         (Arm_relocate_functions::thm_movt_abs): New function.
7879         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7880         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7881         (Scan::global): Likewise.
7882         (Relocate::relocate): Likewise.
7883         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7884
7885 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7886
7887         * arm.cc (Arm_relocate_functions::got_prel) New function.
7888         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7889         (Relocate::relocate): Likewise.
7890         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7891
7892 2009-10-06  Ian Lance Taylor  <iant@google.com>
7893
7894         * options.h (class General_options): Define
7895         split_stack_adjust_size parameter.
7896         * object.h (class Object): Add uses_split_stack_ and
7897         has_no_split_stack_ fields.  Add uses_split_stack and
7898         has_no_split_stack accessor functions.  Declare
7899         handle_split_stack_section.
7900         (class Reloc_symbol_changes): Define.
7901         (class Sized_relobj): Define Function_offsets.  Declare
7902         split_stack_adjust, split_stack_adjust_reltype, and
7903         find_functions.
7904         * object.cc (Object::handle_split_stack_section): New function.
7905         (Sized_relobj::do_layout): Call handle_split_stack_section.
7906         * dynobj.cc (Sized_dynobj::do_layout): Call
7907         handle_split_stack_section.
7908         * reloc.cc (Sized_relobj::relocate_sections): Call
7909         split_stack_adjust for executable sections in split_stack
7910         objects.  Pass reloc_map to relocate_section.
7911         (Sized_relobj::split_stack_adjust): New function.
7912         (Sized_relobj::split_stack_adjust_reltype): New function.
7913         (Sized_relobj::find_functions): New function.
7914         * target-reloc.h: Include "object.h".
7915         (relocate_section): Add reloc_symbol_changes parameter.  Change
7916         all callers.
7917         * target.h (class Target): Add calls_non_split method.  Declare
7918         do_calls_non_split virtual method.  Declare match_view and
7919         set_view_to_nop.
7920         * target.cc: Include "elfcpp.h".
7921         (Target::do_calls_non_split): New function.
7922         (Target::match_view): New function.
7923         (Target::set_view_to_nop): New function.
7924         * gold.cc (queue_middle_tasks): Give an error if mixing
7925         split-stack and non-split-stack objects with -r.
7926         * i386.cc (Target_i386::relocate_section): Add
7927         reloc_symbol_changes parameter.
7928         (Target_i386::do_calls_non_split): New function.
7929         * x86_64.cc (Target_x86_64::relocate_section): Add
7930         reloc_symbol_changes parameter.
7931         (Target_x86_64::do_calls_non_split): New function.
7932         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7933         parameter.
7934         * powerpc.cc (Target_powerpc::relocate_section): Add
7935         reloc_symbol_changes parameter.
7936         * sparc.cc (Target_sparc::relocate_section): Add
7937         reloc_symbol_changes parameter.
7938         * configure.ac: Call AM_CONDITIONAL for the default target.
7939         * configure: Rebuild.
7940         * testsuite/Makefile.am (TEST_AS): New variable.
7941         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7942         (check_DATA): Add split_i386 and split_x86_64 files.
7943         (SPLIT_DEFSYMS): Define.
7944         (split_i386_[1234n].o): New targets.
7945         (split_i386_[124]): New targets.
7946         (split_i386_[1234r].stdout): New targets.
7947         (split_x86_64_[1234n].o): New targets.
7948         (split_x86_64_[124]): New targets.
7949         (split_x86_64_[1234r].stdout): New targets.
7950         (MOSTLYCLEANFILES): Add new executables.
7951         * testsuite/split_i386.sh: New file.
7952         * testsuite/split_x86_64.sh: New file.
7953         * testsuite/split_i386_1.s: New file.
7954         * testsuite/split_i386_2.s: New file.
7955         * testsuite/split_i386_3.s: New file.
7956         * testsuite/split_i386_4.s: New file.
7957         * testsuite/split_i386_n.s: New file.
7958         * testsuite/split_x86_64_1.s: New file.
7959         * testsuite/split_x86_64_2.s: New file.
7960         * testsuite/split_x86_64_3.s: New file.
7961         * testsuite/split_x86_64_4.s: New file.
7962         * testsuite/split_x86_64_n.s: New file.
7963         * testsuite/testfile.cc (Target_test): Update relocation_section
7964         function.
7965         * testsuite/Makefile.in: Rebuild.
7966
7967 2009-10-06  Ian Lance Taylor  <iant@google.com>
7968
7969         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7970         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7971         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7972         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7973         the address on ldo_addrs_.
7974         (Target_i386::Relocate::fix_up_ldo): New function.
7975
7976 2009-10-06   Rafael Espindola  <espindola@google.com>
7977
7978         * plugin.cc (add_input_library): New.
7979         (Plugin::load): Add add_input_library to tv.
7980         (Plugin_manager::add_input_file): Add the is_lib argument.
7981         (add_input_file): Update call to Plugin_manager::add_input_file.
7982         (add_input_library): New.
7983         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7984
7985 2009-09-30  Doug Kwan  <dougkwan@google.com>
7986
7987         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7988         symbol and call Symbol::may_need_copy_reloc to determine if
7989         a copy reloc is needed.
7990         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7991         nocopyreloc is given in command line.
7992         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7993         given in command line.
7994         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7995         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7996         of the removed Target_i386::may_need_copy_reloc.
7997         * options.h (copyreloc): New option with default value false.
7998         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7999         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8000         instead of the removed Target_powerpc::may_need_copy_reloc.
8001         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8002         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8003         instead of the removed Target_sparc::may_need_copy_reloc.
8004         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8005         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8006         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8007         instead of the removed Target_x86_64::may_need_copy_reloc.
8008
8009 2009-09-30  Ian Lance Taylor  <iant@google.com>
8010
8011         * object.h (class Object): Remove target_ field, and target,
8012         sized_target, and set_target methods.
8013         (Object::sized_target): Remove.
8014         (class Sized_relobj): Update declarations.  Remove sized_target.
8015         * object.cc (Sized_relobj::setup): Remove target parameter.
8016         Change all callers.
8017         (Input_objects::add_object): Don't do anything with the target.
8018         (make_elf_sized_object): Add punconfigured parameter.  Change all
8019         callers.  Set or test parameter target.
8020         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8021         Change all callers.
8022         * parameters.cc (Parameters::set_target): Change parameter type to
8023         be non-const.
8024         (Parameters::default_target): Remove.
8025         (set_parameters_target): Change parameter type to be non-const.
8026         (parameters_force_valid_target): New function.
8027         (parameters_clear_target): New function.
8028         * parameters.h (class Parameters): Update declarations.  Remove
8029         default_target method.  Add sized_target and clear_target
8030         methods.  Change target_ to be non-const.
8031         (set_parameters_target): Update declaration.
8032         (parameters_force_valid_target): Declare.
8033         (parameters_clear_target): Declare.
8034         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8035         as NULL if we aren't searching.
8036         (Add_symbols::run): Don't check for compatible target.
8037         * fileread.cc (Input_file::open_binary): Call
8038         parameters_force_valid_target.
8039         * gold.cc (queue_middle_tasks): Likewise.
8040         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8041         set_target on object.
8042         * dynobj.h (class Sized_dynobj): Update declarations.
8043         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8044         make_elf_object returns NULL.
8045         (Archive::include_member): Don't check whether object target is
8046         compatible.
8047         * output.cc (Output_section::add_input_section): Get target from
8048         parameters.
8049         (Output_section::relax_input_section): Likewise.
8050         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8051         parameters.
8052         (Sized_relobj::do_scan_relocs): Likewise.
8053         (Sized_relobj::relocate_sections): Likewise.
8054         * resolve.cc (Symbol_table::resolve): Likewise.
8055         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8056         parameter.  Change all callers.
8057         (Symbol_table::add_from_object): Get target from parameters.
8058         (Symbol_table::add_from_relobj): Don't check object target.
8059         (Symbol_table::add_from_dynobj): Likewise.
8060         (Symbol_table::define_special_symbol): Get target from
8061         parameters.
8062         * symtab.h (class Symbol_table): Update declaration.
8063         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8064         parameter.  Change all callers.  Clear parameter target.
8065         (Binary_test): Test target here.
8066         * testsuite/object_unittest.cc (gold_testsuite): Remove
8067         target_test_pointer parameter.  Change all callers.
8068         (Object_test): Test target here.
8069
8070 2009-09-26  Ian Lance Taylor  <iant@google.com>
8071
8072         * testsuite/initpri1.c: Don't try to use constructor priorities if
8073         compiling with gcc before 4.3.
8074
8075 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8076
8077         * testsuite/retain_symbols_file_test.sh (check_present): Change
8078         output file name to retain_symbols_file_test.stdout.
8079         (check_absent): Likewise.
8080
8081 2009-09-18  Craig Silverstein  <csilvers@google.com>
8082
8083         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8084         * options.cc: Include <cerrno> and <fstream>.
8085         (General_options::finalize): Parse -retain-symbols-file tag.
8086         * options.h: New flag.
8087         (General_options): New method should_retain_symbol, new
8088         variable symbols_to_retain.
8089         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8090         should_retain_symbol map.
8091         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8092         * testsuite/Makefile.in: Regenerate.
8093         * testsuite/retain_symbols_file_test.sh: New file.
8094
8095 2009-09-18  Nick Clifton  <nickc@redhat.com>
8096
8097         * po/es.po: Updated Spanish translation.
8098
8099 2009-09-17  Doug Kwan  <dougkwan@google.com>
8100
8101         * debug.h (DEBUG_RELAXATION): New constant.
8102         (DEBUG_ALL): Add DEBUG_RELAXATION.
8103         (debug_string_to_enum): Add relaxation debug option.
8104         * layout.cc
8105         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8106         Layout::Relaxation_debug_check::read_sections,
8107         Layout::Relaxation_debug_check::read_sections): New method definitions.
8108         (Layout::Layout): Initialize data members
8109         record_output_section_data_from_scrips_,
8110         script_output_section_data_list_ and relaxation_debug_check_.
8111         (Layout::save_segments, Layout::restore_segments,
8112         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8113         Layout::relaxation_loop_body): New method definitions.
8114         (Layout::finalize): Support relaxation.  Move section layout code to
8115         Layout::relaxation_loop_body.
8116         (Layout::set_asection_address_from_script): Move code for orphan
8117         section placement out.
8118         (Layout::place_orphan_sections_in_script): New method definition.
8119         * layout.h (Output_segment_headers, Output_file_header):
8120         New forward class declarations.
8121         (Layout::~Layout): Define.
8122         (Layout::new_output_section_data_from_script): New method definition.
8123         (Layout::place_orphan_sections_in_script): New method declaration.
8124         (Layout::Segment_states): New type declaration.
8125         (Layout::save_segments, Layout::restore_segments,
8126         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8127         Layout::relaxation_loop_body): New method declarations.
8128         (Layout::Output_section_data_list): New type declaration.
8129         (Layout::Relaxation_debug_check): New class definition.
8130         (Layout::record_output_section_data_from_script_,
8131         Layout::script_output_section_data_list_, Layout::segment_states_,
8132         Layout::relaxation_debug_check_): New data members.
8133         * output.cc: (Output_section_headers::do_size): New method definition.
8134         (Output_section_headers::Output_section_headers): Move size
8135         computation to Output_section_headers::do_size.
8136         (Output_segment_headers::do_size): New method definition.
8137         (Output_file_header::Output_file_header): Move size computation to
8138         Output_file_header::do_size and call it.
8139         (Output_file_header::do_size): New method definition.
8140         (Output_data_group::Output_data_group): Adjust call to
8141         Output_section_data.
8142         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8143         (Output_symtab_xindex::do_write): Add array bound check.
8144         (Output_section::Input_section::print_to_mapfile): Handle
8145         RELAXED_INPUT_SECTION_CODE.
8146         (Output_section::Output_section): Initialize data member checkpoint_.
8147         (Output_section::~Output_section): Delete checkpoint object pointed
8148         by checkpoint_.
8149         (Output_section::add_input_section): Always add an Input_section if
8150         relaxing.
8151         (Output_section::add_merge_input_section): Add assert.
8152         (Output_section::relax_input_section): New method definition.
8153         (Output_section::set_final_data_size): Set load address to zero for
8154         an unallocated section.
8155         (Output_section::do_address_and_file_offset_have_reset_values):
8156         New method definition.
8157         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8158         Handle relaxed input section.
8159         (Output_section::sort_attached_input_sections): Checkpoint input
8160         section list lazily.
8161         (Output_section::get_input_sections): Change type of input_sections to
8162         list of Simple_input_section pointers.  Checkpoint input section list
8163         lazily.  Also handle relaxed input sections.
8164         (Output_section::add_input_section_for_script): Take a reference to
8165         a Simple_input_section object instead of Relobj pointer and section
8166         index as parameter.  Handle relaxed input sections.
8167         (Output_section::save_states, Output_section::restore_states): New
8168         method definitions.
8169         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8170         (Output_data::is_data_size_fixed): New method definition.
8171         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8172         if it is fixed.
8173         (Output_data::address_and_file_offset_have_reset_values): New method
8174         definition.
8175         (Output_data::do_address_and_file_offset_have_reset_values): New method
8176         definition.
8177         (Output_data::set_data_size): Check that data size is not fixed.
8178         (Output_data::fix_data_size): New method definition.
8179         (Output_data::is_data_size_fixed_): New data member.
8180         (Output_section_headers::set_final_data_size): New method definition.
8181         (Output_section_headers::do_size): New method declaration.
8182         (Output_segment_headers::set_final_data_size): New method definition.
8183         (Output_segment_headers::do_size): New method declaration.
8184         (Output_file_header::set_final_data_size)::New method definition.
8185         (Output_file_header::do_size)::New method declaration.
8186         (Output_section_data::Output_section_data): Add new parameter
8187         is_data_size_fixed and use it to fix data size.
8188         (Output_data_const::Output_data_const): Adjust call to base class
8189         constructor and fix data size.
8190         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8191         base class constructor and fix data size.
8192         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8193         base class constructor and fix data size.
8194         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8195         class constructor and fix data size.
8196         (Output_data_group::set_final_data_size): New method definition.
8197         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8198         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8199         class constructor and fix data size.
8200         (Output_relaxed_input_section): New class definition.
8201         (Output_section::Simple_input_section): New class definition.
8202         (Output_section::get_input_sections): Adjust parameter list.
8203         (Output_section::add_input_section_for_script): Same.
8204         (Output_section::save_states, Output_section::restore_states,
8205         Output_section::do_address_and_file_offset_have_reset_values,
8206         (Output_section::Input_section::Input_section): Handle
8207         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8208         Output_relaxed_input_section.
8209         (Output_section::Input_section::is_input_section,
8210         Output_section::Input_section::set_output_section): Handle relaxed
8211         input section.
8212         (Output_section::Input_section::is_relaxed_input_section,
8213         Output_section::Input_section::output_section_data,
8214         Output_section::Input_section::relaxed_input_section): New method
8215         definitions.
8216         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8217         value.
8218         (Output_section::Input_section::u1_): Update comments.
8219         (Output_section::Input_section::u2_): Add new union member poris.
8220         (Output_section::Checkpoint_output_section): New classs definition.
8221         (Output_section::relax_input_section): New method declaration.
8222         (Output_section::checkpoint_): New data member.
8223         (Output_segment): Update comments.
8224         (Output_segment::Output_segment): Un-privatize copy constructor.
8225         (Output_segment::operator=): Un-privatize.
8226         * script-sections.cc (Output_section_element::Input_section_list):
8227         Change element type to Output_section::Simple_input_section.
8228         (Output_section_element_dot_assignment::set_section_addresses):
8229         Register output section data for relaxation clean up.
8230         (Output_data_exression::Output_data_expression): Adjust call to base
8231         constructor to fix data size.
8232         (Output_section_element_data::set_section_addresses): Register
8233         Output_data_expression object for relaxation clean up.
8234         (struct Input_section_info): Replace Relobj pointer and section index
8235         pair with Output_section::Simple_input_section and Convert struct to a
8236         class.
8237         (Input_section_sorter::operator()): Adjust access to
8238         Input_section_info data member to use accessors.
8239         (Output_section_element_input::set_section_addresses): Use layout
8240         parameter.  Adjust code to use Output_section::Simple_input_section
8241         and Input_secction_info classes.  Register filler for relaxation
8242         clean up.
8243         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8244         and section index pair with Output_section::Simple_input_section
8245         class.  Adjust code accordingly.
8246         (Phdrs_element::release_segment): New method definition.
8247         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8248         segment list.
8249         (Script_sections::release_segments): New method definition.
8250         * gold/script-sections.h (Script_sections::release_segments): New
8251         method declaration.
8252         * gold/target.h (Target::may_relax, Target::relax,
8253         Target::do_may_relax, Target::do_relax): New method definitions.
8254
8255 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8256
8257         * arm.cc (has_signed_unsigned_overflow): New function.
8258         (Arm_relocate_functions::abs8): New function.
8259         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8260         (Target_arm::Scan::global): Likewise.
8261         (Target_arm::relocate::relocate): Likewise.
8262         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8263         Likewise.
8264
8265 2009-09-16  Cary Coutant  <ccoutant@google.com>
8266
8267         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8268         * testsuite/Makefile.in: Regenerate.
8269
8270 2009-09-11  Nick Clifton  <nickc@redhat.com>
8271
8272         * po/gold.pot: Updated by the Translation project.
8273
8274 2009-09-08  Cary Coutant  <ccoutant@google.com>
8275
8276         * output.cc (Output_file::open): Add execute permission to empty file.
8277         * testsuite/Makefile.am (permission_test): New test.
8278         * testsuite/Makefile.in: Regenerate.
8279
8280 2009-09-02  Ian Lance Taylor  <iant@google.com>
8281
8282         * output.cc (Output_file::resize): Call map_no_anonymous rather
8283         than map.
8284
8285 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8286
8287         * gold.cc: Include "incremental.h".
8288         (queue_initial_tasks): Call Incremental_checker methods.
8289         * incremental.cc: Include "output.h".
8290         (Incremental_checker::can_incrementally_link_output_file): New
8291         method.
8292         * incremental.h (Incremental_checker): New class.
8293
8294         * output.cc (Output_file::open_for_modification): New method.
8295         (Output_file::map_anonymous): Changed return type to bool.  Record
8296         map in base_ field.
8297         (Output_file::map_no_anonymous): New method, broken out of map.
8298         (Output_file::map): Use map_no_anonymous and map_anonymous.
8299         * output.h (class Output_file): Update declarations.
8300
8301 2009-08-24  Cary Coutant  <ccoutant@google.com>
8302
8303         * options.h (Command_line::Pre_options): New class.
8304         (Command_line::pre_options): New member.
8305         * options.cc (gold::options::ready_to_register): New variable.
8306         (One_option::register_option): Do nothing if not registering options.
8307         Assert if same short option registered twice.
8308         (General_options::General_options): Turn off option registration when
8309         done constructing.
8310         (Command_line::Pre_options::Pre_options): New constructor.
8311
8312 2009-08-24  Cary Coutant  <ccoutant@google.com>
8313
8314         * options.h (General_options::no_keep_memory): Remove incorrect
8315         short option.
8316
8317 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8318
8319         * Makefile.am (am__skiplex, am__skipyacc): New.
8320         * Makefile.in: Regenerate.
8321
8322 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8323
8324         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8325         (INCLUDES): ... this.
8326         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8327         (AM_CPPFLAGS): Renamed from ...
8328         (INCLUDE): ... this.
8329         * Makefile.in, testsuite/Makefile.in: Regenerate.
8330
8331         * Makefile.in: Regenerate.
8332         * aclocal.m4: Likewise.
8333         * config.in: Likewise.
8334         * configure: Likewise.
8335         * testsuite/Makefile.in: Likewise.
8336
8337         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8338         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8339         * Makefile.in: Regenerate.
8340         * testsuite/Makefile.in: Regenerate.
8341
8342 2009-08-19  Cary Coutant  <ccoutant@google.com>
8343
8344         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8345         symbols in shared libraries overridden by hidden or internal symbols
8346         in the main program.
8347
8348 2009-08-19  Chris Demetriou  <cgd@google.com>
8349
8350         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8351         checking source file names in error messages.
8352
8353 2009-08-18  Doug Kwan  <dougkwan@google.com>
8354
8355         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8356         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8357         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8358         an elfcpp::Ehdr as parameter.
8359         * object.cc (Object::set_target): Remove the version that looks up
8360         a target and sets it.
8361         (Sized_relobj::setup): Take a Target object instead of
8362         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8363         (make_elf_sized_object): Find target and ask target to
8364         make an ELF object.
8365         * object.h: (Object::set_target): Remove the version that looks up
8366         a target and sets it.
8367         (Sized_relobj::setup): Take a Target object instead of
8368         an elfcpp:Ehdr as parameter.
8369         * target.cc: Include dynobj.h.
8370         (Target::do_make_elf_object_implementation): New.
8371         (Target::do_make_elf_object): New.
8372         * target.h (Target::make_elf_object): New template declaration.
8373         (Target::do_make_elf_object): New method declarations.
8374         (Target::do_make_elf_object_implementation): New template declaration.
8375
8376 2009-08-14  Ian Lance Taylor  <iant@google.com>
8377
8378         * gold.h (FUNCTION_NAME): Define.
8379         (gold_unreachable): Use FUNCTION_NAME.
8380
8381 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8382
8383         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8384         symbol in the --keep-unique list is not found.
8385
8386 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8387
8388         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8389         been maked as --keep-unique.
8390         (Icf::unfold_section): New function.
8391         * icf.h (Icf::unfold_section): New function.
8392         * options.h (General_options::keep_unique): New option.
8393         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8394         * testsuite/Makefile.in: Regenerate.
8395         * testsuite/icf_keep_unique_test.sh: New file.
8396         * testsuite/icf_keep_unique_test.cc: New file.
8397
8398 2009-08-12  Cary Coutant  <ccoutant@google.com>
8399
8400         PR 10471
8401         * resolve.cc (Symbol_table::resolve): Check for references from
8402         dynamic objects to hidden and internal symbols.
8403         * testsuite/Makefile.am (hidden_test.sh): New test.
8404         * testsuite/Makefile.in: Regenerate.
8405         * testsuite/hidden_test.sh: New script.
8406         * testsuite/hidden_test_1.c: New test source.
8407         * testsuite/hidden_test_main.c: New test source.
8408
8409 2009-08-11  Doug Kwan  <dougkwan@google.com>
8410
8411         * arm.cc: Update comments.
8412         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8413         segment to locate the .ARM.exidx section if present.
8414
8415 2009-08-09  Doug Kwan  <dougkwan@google.com>
8416
8417         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8418         patch.
8419
8420 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8421         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8422         compiler warnings.
8423
8424 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8425
8426         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8427         valid tls_segment only for non-debug-section relocations.
8428         * testsuite/Makefile.am: Add gc_tls_test.
8429         * testsuite/Makefile.in: Regenerate.
8430         * testsuite/gc_tls_test.cc: New file.
8431         * testsuite/gc_tls_test.sh: New file.
8432
8433 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8434
8435         * icf.cc: New file.
8436         * icf.h: New file.
8437         * Makefile.am (CCFILES): Add icf.cc.
8438         (HFILES): Add icf.h
8439         * Makefile.in: Regenerate.
8440         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8441         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8442         section, symbol and addend information for the relocs.
8443         * gold.cc (queue_middle_tasks): Call identical code folding.
8444         * gold.h: Add defines for multimap.
8445         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8446         to the call of finalize_local_symbols.
8447         * main.cc (main): Create object of class Icf.
8448         * object.cc (Sized_relobj::do_layout): Allow this function to be
8449         called twice during icf.
8450         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8451         to sections marked as identical by icf.
8452         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8453         when available.
8454         (Sized_relobj::do_section_entsize): New function.
8455         * object.h (Object::section_entsize): New function.
8456         (Object::do_section_entsize): New pure virtual function.
8457         (Relobj::finalize_local_symbols): Add new parameter.
8458         (Relobj::do_section_entsize): New function.
8459         * options.h (General_options::icf): New option.
8460         (General_options::icf_iterations): New option.
8461         (General_options::print_icf_sections): New option.
8462         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8463         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8464         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8465         icf.
8466         * symtab.cc (Symbol_table::is_section_folded): New function.
8467         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8468         to sections marked as identical by icf.
8469         * symtab.h (Symbol_table::set_icf): New function.
8470         (Symbol_table::icf): New function.
8471         (Symbol_table::is_section_folded): New function.
8472         (Symbol_table::icf_): New data member.
8473         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8474         * testsuite/Makefile.am: Add commands to build icf_test.
8475         * testsuite/Makefile.in: Regenerate.
8476         * testsuite/icf_test.sh: New file.
8477         * testsuite/icf_test.cc: New file.
8478
8479 2009-07-24  Chris Demetriou  <cgd@google.com>
8480
8481         * layout.cc (is_compressible_debug_section): Fix incorrect
8482         comment about compressed section names.
8483
8484 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8485
8486         PR 10419
8487         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8488
8489 2009-07-16  Ian Lance Taylor  <iant@google.com>
8490
8491         PR 10400
8492         * layout.h: #include <map>.
8493         (class Kept_section): Change from struct to class.  Add accessors
8494         and setters.  Add section size to Comdat_group mapping.  Change
8495         Comdat_group to std::map.  Add is_comdat_ field.  Add
8496         linkonce_size field in union.
8497         (class Layout): Update declaration of find_or_add_kept_section.
8498         Don't declare find_kept_object.
8499         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8500         parameter.  Add object, shndx, is_comdat, and is_group_name
8501         parameters.  Change all callers.  Adjust for new Kept_section.
8502         (Layout::find_kept_object): Remove.
8503         * object.cc (Sized_relobj::include_section_group): Update use of
8504         Kept_section.  Rename secnum to shndx.  Only record
8505         Kept_comdat_section if sections are the same size.
8506         (Sized_relobj::include_linkonce_section): Update use of
8507         Kept_section.  Only record Kept_comdat_section if sections are the
8508         same size.  Set size of linkonce section.
8509         (Sized_relobj::map_to_kept_section): Update call to
8510         get_kept_comdat_section.
8511         * object.h (class Sized_relobj): Rename fields in
8512         Kept_comdat_section to drop trailing underscores; change object
8513         field to Relobj*.  Change Kept_comdat_section_table to store
8514         struct rather than pointer.
8515         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8516         Add kept_object and kept_shndx parameters.  Change all callers.
8517         (Sized_relobj::get_kept_comdat_section): Change return type to
8518         bool.  Add kept_object and kept_shndx parameters.  Change all
8519         callers.
8520         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8521         Layout::find_or_add_kept_section.
8522
8523 2009-07-09  Ian Lance Taylor  <iant@google.com>
8524
8525         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8526         Reserve space in the hash table.
8527
8528 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8529
8530         * fileread.cc (File_read::get_mtime): New method.
8531         * fileread.h (Timespec): New structure.
8532         (File_read::get_mtime): New method.
8533         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8534         Renamed from timestamp_nsec.
8535         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8536         Elf_Xword.
8537         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8538         timestamp_nsec.
8539         (Incremental_inputs::report_archive): Save mtime; style fix.
8540         (Incremental_inputs::report_obejct): Save mtime; style fix.
8541         (Incremental_inputs::report_script): Save mtime; style fix.
8542         (Incremental_inputs::finalize_inputs): Style fix.
8543         (Incremental_inputs::finalize): Style fix.
8544         (Incremental_inputs::create_input_section_data): Store inputs
8545         mtime.
8546         * incremental.h (Incremental_inputs::report_script): Add mtime
8547         argument.
8548         (Incremental_inputs::Input_info::Input_info): Intialize only one
8549         union member.
8550         (Incremental_inputs::Input_info::archive): Move to nameless
8551         union.
8552         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8553         (Incremental_inputs::Input_info::script): Move to nameless union.
8554         (Incremental_inputs::mtime): New field.
8555         * script.cc (read_input_script): Pass file mtime to
8556         Incremental_input.
8557         * script.h (Script_info::inputs): Style fix.
8558
8559 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8560
8561         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8562         instead of 32.
8563
8564 2009-06-24  Ian Lance Taylor  <iant@google.com>
8565
8566         PR 10156
8567         * layout.cc (Layout::choose_output_section): If we find an
8568         existing section, update the flags.
8569         (Layout::create_notes): New function, broken out of
8570         Layout::finalize.
8571         (Layout::finalize): Don't create note sections.
8572         (Layout::create_note): Don't crash if linker script discards
8573         section.
8574         (Layout::create_gold_note): Likewise.
8575         (Layout::create_build_id): Likewise.  Don't set
8576         after_input_sections on the section.
8577         (Layout::create_executable_stack_info): Remove target parameter.
8578         Change caller.
8579         * layout.h (class Layout): Declare create_notes.  Update
8580         declaration of create_executable_stack_info.
8581         * gold.cc (queue_middle_tasks): Call create_notes.
8582         * output.cc (Output_section::update_flags_for_input_section): Move
8583         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8584         invalid.
8585         * output.h (Output_data::mark_address_invalid): New function.
8586         (class Output_section): Only declare, not define,
8587         update_flags_for_input_section.  Remove set_flags.
8588
8589 2009-06-24  Ian Lance Taylor  <iant@google.com>
8590
8591         * script-sections.cc (Output_section_definition::
8592         set_section_addresses): Rename shadowing local load_address to
8593         laddr.
8594
8595 2009-06-24  Ian Lance Taylor  <iant@google.com>
8596
8597         PR 10244
8598         * reloc.cc (relocate_sections): Skip empty relocation sections.
8599
8600 2009-06-23  Ian Lance Taylor  <iant@google.com>
8601
8602         PR 10156
8603         * layout.cc (Layout::create_note): Use choose_output_section
8604         rather than make_output_section.
8605
8606 2009-06-23  Ian Lance Taylor  <iant@google.com>
8607
8608         PR 10237
8609         * options.cc (General_options::parse_V): Set printed_version_.
8610         (General_options::General_options): Initialize printed_version_.
8611         * options.h (class General_options): Add printed_version_ field.
8612         * gold.cc (queue_initial_tasks): If there are no input files,
8613         don't give a fatal error if we printed the version information.
8614         (queue_middle_tasks): If using -r with a shared object, give a
8615         fatal error rather than an ordinary error.
8616
8617 2009-06-23  Ian Lance Taylor  <iant@google.com>
8618
8619         PR 10219
8620         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8621         (Layout::make_output_section): Set have_stabstr_section_ if we see
8622         a .stab*str section.
8623         (Layout::finalize): Call link_stabs_sections.
8624         (Layout::link_stabs_sections): New file.
8625         * layout.h (class Layout): Add have_stabstr_section_ field.
8626         Declare link_stabs_sections.
8627
8628 2009-06-23  Doug Kwan  <dougkwan@google.com>
8629
8630         * Makefile.am (libgold_a_LIBADD): New.
8631         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8632         * Makefile.in: Regenerate.
8633         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8634         * configure: Regenerate.
8635         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8636         * fileread.cc: Include sys/state.h
8637         * gold.h: Declare memmem and strndup if found missing.
8638         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8639
8640 2009-06-23  Ian Lance Taylor  <iant@google.com>
8641
8642         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8643         * configure: Rebuild.
8644
8645 2009-06-23  Ian Lance Taylor  <iant@google.com>
8646
8647         PR 10147
8648         * object.cc (Object::section_contents): Don't try to get a view if
8649         the section has length zero.
8650         (Object::handle_gnu_warning_section): If the section is empty, use
8651         the name of the section as the warning.
8652
8653 2009-06-23  Ian Lance Taylor  <iant@google.com>
8654
8655         PR 10133
8656         * stringpool.h (class Stringpool_template): Add optimize_ field.
8657         (Stringpool_template::set_optimize): New function.
8658         * stringpool.cc (Stringpool_template::Stringpool_template):
8659         Initialize optimize_ field.
8660         (Stringpool_template::set_string_offsets): Test local optimize
8661         fild rather than parameter.
8662         * layout.cc (Layout::Layout): Call set_optimize on the section
8663         name stringpool.
8664
8665 2009-06-22  Ian Lance Taylor  <iant@google.com>
8666
8667         PR 10030
8668         * yyscript.y: Parse TARGET.
8669         * script.cc (script_set_target): New function.
8670         * script-c.h (script_set_target): Declare.
8671         * options.cc (General_options::string_to_object_format): Rename
8672         from string_to_object_format in anonymous namespace.  Change
8673         callers.
8674         * options.h (class General_options): Declare
8675         string_to_object_format.
8676
8677 2009-06-22  Ian Lance Taylor  <iant@google.com>
8678
8679         * script-sections.cc (Script_sections::create_segments): Don't put
8680         program headers in a PT_LOAD segment if -n or -N.
8681
8682 2009-06-22  Ian Lance Taylor  <iant@google.com>
8683
8684         PR 10141
8685         * options.h (class General_options): Add -z lazy and -z now.  Sort
8686         -z options into alphabetical order.
8687         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8688
8689 2009-06-21  Ian Lance Taylor  <iant@google.com>
8690
8691         * layout.cc (Layout::make_output_section): Call
8692         Target::new_output_section.
8693         (Layout::attach_allocated_section_to_segment): Put large section
8694         sections in a separate load segment with the large segment flag
8695         set.
8696         (Layout::segment_precedes): Sort large data segments after other
8697         load segments.
8698         (align_file_offset): New static function.
8699         (Layout::set_segment_offsets): Use align_file_offset.
8700         * output.h (class Output_section): Add is_small_section_ and
8701         is_large_section_ fields.
8702         (Output_section::is_small_section): New function.
8703         (Output_section::set_is_small_section):  New function.
8704         (Output_section::is_large_section): New function.
8705         (Output_section::set_is_large_section): New function.
8706         (Output_section::is_large_data_section): New function.
8707         (class Output_segment): Add is_large_data_segment_ field.
8708         (Output_segment::is_large_data_segment): New function.
8709         (Output_segment::set_is_large_data_segment): New function.
8710         * output.cc (Output_section::Output_section): Initialize new
8711         fields.
8712         (Output_segment::Output_segment): Likewise.
8713         (Output_segment::add_output_section): Add assertion that large
8714         data sections always go in large data segments.  Force small data
8715         sections to the end of the list of data sections.  Force small BSS
8716         sections to the start of the list of BSS sections.  For large BSS
8717         sections to the end of the list of BSS sections.
8718         * symtab.h (class Symbol): Declare is_common_shndx.
8719         (Symbol::is_defined): Check Symbol::is_common_shndx.
8720         (Symbol::is_common): Likewise.
8721         (class Symbol_table): Define enum Commons_section_type.  Update
8722         declarations.  Add small_commons_ and large_commons_ fields.
8723         * symtab.cc (Symbol::is_common_shndx): New function.
8724         (Symbol_table::Symbol_table): Initialize new fields.
8725         (Symbol_table::add_from_object): Put small and large common
8726         symbols in the right list.
8727         (Symbol_table::sized_finalized_symbol): Check
8728         Symbol::is_common_shndx.
8729         (Symbol_table::sized_write_globals): Likewise.
8730         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8731         common symbol lists.  Don't call do_allocate_commons_list if the
8732         list is empty.
8733         (Symbol_table::do_allocate_commons_list): Remove is_tls
8734         parameter.  Add comons_section_type parameter.  Change all
8735         callers.  Handle small and large common symbols.
8736         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8737         Symbol::is_common_shndx.
8738         * resolve.cc (symbol_to_bits): Likewise.
8739         * target.h (Target::small_common_shndx): New function.
8740         (Target::small_common_section_flags): New function.
8741         (Target::large_common_shndx): New function.
8742         (Target::large_common_section_flags): New function.
8743         (Target::new_output_section): New function.
8744         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8745         small_common_section_flags, and large_common_section_flags
8746         fields.
8747         (Target::do_new_output_section): New virtual function.
8748         * arm.cc (Target_arm::arm_info): Initialize new fields.
8749         * i386.cc (Target_i386::i386_info): Likewise.
8750         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8751         Likewise.
8752         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8753         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8754         (Target_x86_64::do_new_output_section): New function.
8755         * configure.ac: Define conditional MCMODEL_MEDIUM.
8756         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8757         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8758         (large_LDFLAGS): Define.
8759         * testsuite/large.c: New file.
8760         * testsuite/testfile.cc (Target_test::test_target_info):
8761         Initialize new fields.
8762         * configure, testsuite/Makefile.in: Rebuild.
8763
8764 2009-06-05  Doug Kwan  <dougkwan@google.com>
8765
8766         * Makefile.am (CCFILES): Add target.cc.
8767         * Makefile.in: Regenerate.
8768         * i386.cc (class Target_i386): Define new virtual method to
8769         override do_is_local_label_name in parent.
8770         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8771         local symbols if --discard-locals or -X is given.
8772         * options.h (class General_options): Declare new options
8773         '--discard-locals' and '-X' for discarding locals.
8774         * target.h (class Target): Define new methods is_local_label_name.
8775         Declare new virtual method do_is_local_label_name.
8776         * target.cc: New file.
8777         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8778         (check_SCRIPTS): Add discard_locals_test.sh.
8779         (check_DATA): Add discard_local_tests.syms.
8780         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8781         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8782         * testsuite/Makefile.in: Regenerate.
8783         * testsuite/discard_locals_test.c: New file.
8784         * testsuite/discard_locals_test.sh: Same.
8785
8786 2009-06-05  Doug Kwan  <dougkwan@google.com>
8787
8788         * object.cc (Sized_relobj::Sized_relobj): Initialize
8789         discarded_eh_frame_shndx_ to -1U.
8790         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8791         section.
8792         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8793         a discarded .eh_frame section.
8794         (Sized_relobj::do_finalize_local_symbols): Ditto.
8795         * object.h (class Sized_relobj): Declare new member
8796         discarded_eh_frame_shndx_.
8797         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8798         (local_labels_test.o, local_labels_test): New rules.
8799         * testsuite/Makefile.in: Regenerate.
8800
8801 2009-06-04  Doug Kwan  <dougkwan@google.com>
8802
8803         * layout.cc (Layout::section_name_mapping): Add mapping for
8804         special ARM sections.
8805
8806 2009-06-03  Doug Kwan  <dougkwan@google.com>
8807
8808         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8809         (utils::has_overflow): Same.
8810
8811 2009-06-03  Ian Lance Taylor  <iant@google.com>
8812
8813         * layout.cc (Layout::section_name_mapping): New array, replacing
8814         Layout::linkonce_mapping.
8815         (Layout::section_name_mapping_count): New variable, replacing
8816         Layout::linkonce_mapping_count.
8817         (Layout::linkonce_output_name): Remove.
8818         (Layout::output_section_name): Rewrite.
8819         * layout.h (class Layout): Rename Linkonce_mapping to
8820         Section_name_mapping, linkonce_mapping to section_name_mapping,
8821         linkonce_mapping_count to section_name_mapping_count.  Don't
8822         declare linkonce_output_name.
8823
8824 2009-06-03  Doug Kwan  <dougkwan@google.com>
8825
8826         * gold/arm.cc (namespace utils): New.
8827         (Target_arm::reloc_is_non_pic): Define new method.
8828         (class Arm_relocate_functions): New.
8829         (Target_arm::Relocate::relocate): Handle relocation types used by
8830         Android.
8831
8832 2009-06-03  Ian Lance Taylor  <iant@google.com>
8833
8834         * arm.cc (Target_arm::scan::global): Use || instead of |.
8835
8836 2009-06-02  Doug Kwan  <dougkwan@google.com>
8837
8838         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8839         issued_non_pic_error_.
8840         (class Target_arm::Scan): Declare new method check_non_pic.
8841         Define new method symbol_needs_plt_entry.
8842         Declare new data member issued_non_pic_error_.
8843         (class Target_arm::Relocate): Declare new method
8844         should_apply_static_reloc.
8845         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8846         (Target_arm::Scan::check_non_pic): Define new method.
8847         (Target_arm::Scan::local): Handle a small subset of reloc types used
8848         by Android.
8849         (Target_arm::Scan::local): Same.
8850         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8851
8852 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8853
8854         * incremental.cc (Incremental_inputs::report_command_line): Filter
8855         out --incremental-* options.
8856
8857 2009-05-29  Doug Kwan  <dougkwan@google.com>
8858
8859         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8860         template class.
8861         (class Target_arm): Update comment.
8862         (Target_arm::Target_arm): Initialize new data members GOT_,
8863         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8864         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8865         and Target_arm::rel_dyn_section.
8866         Declare new_enum Target_arm::Got_type.
8867         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8868         and DYNBSS_.
8869         Update commments for member do_dynsym_value.
8870         (Target_arm::got_size, Target_arm::plt_section,
8871         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8872         new methods inside class defintion.
8873         (Target_arm::got_section): Define new method.
8874         (Target_arm::rel_dyn_section): Same.
8875         (Output_data_plt_arm): New template class.
8876         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8877         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8878         (Output_data_plt_arm::add_entry): Same.
8879         (Output_data_plt_arm::first_plt_entry): Define new
8880         static data member for PLT instruction template.
8881         (Output_data_plt_arm::plt_entry): Same.
8882         (Output_data_plt_arm::do_write): Define new method.
8883         (Target_arm::make_plt_entry): Same.
8884         (Target_arm::do_finalize_sections): Same.
8885         (Target_arm::do_dynsym_value): Same.
8886
8887 2009-05-28  Doug Kwan  <dougkwan@google.com>
8888
8889         * Makefile.am (TARGETSOURCES): Add arm.cc.
8890         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8891         * Makefile.in: Regenerate.
8892         * arm.cc: New file.
8893         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8894
8895 2009-05-26  Doug Kwan  <dougkwan@google.com>
8896
8897         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8898         (General_options::check_excluded_libs): Strip off directories in
8899         archive name before matching like GNU ld does.
8900         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8901         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8902         (exclude_libs_test_LDFLAGS): Add linker option
8903         -Wl,--exclude-libs,libexclude_libs_test_3
8904         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8905         an explicit archive without using -l.
8906         (alt/libexclude_libs_test_3.a): New make rule.
8907         * testsuite/Makefile.in: Regenerate.
8908         * testsuite/exclude_libs_test.c : Declare lib3_default().
8909         (main): Call it.
8910         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8911         * exclude_libs_test_3.c: New file.
8912
8913 2009-05-26  Nick Clifton  <nickc@redhat.com>
8914
8915         * po/id.po: New Indonesian translation.
8916         * po/gold.pot: Updated template file.
8917
8918 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8919
8920         * testsuite/Makefile.am: Add -ffunction-sections to compile
8921         gc_comdat_test files.  Add -Wl,--gc-sections to build
8922         gc_comdat_test.
8923         * testsuite/Makefile.in: Regenerate.
8924         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8925
8926 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8927
8928         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8929         kept comdat section was garbage collected.
8930         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8931         * testsuite/Makefile.in: Regenerate.
8932         * testsuite/gc_comdat_test.sh: New file.
8933         * testsuite/gc_comdat_test_1.cc: New file.
8934         * testsuite/gc_comdat_test_2.cc: New file.
8935
8936 2009-05-19  Doug Kwan  <dougkwan@google.com>
8937
8938         * archive.cc (Archive::Archive): Move constructor from archive.h
8939         to here.  Initialize no_export_.
8940         (Archive::get_elf_object_for_member): Set no_export flag of object.
8941         * archive.h (Archive::Archive): Move constructor body to
8942         archive.cc.
8943         (Archive::no_export): New method.
8944         (Archive::no_export_): New field.
8945         * object.h (Object::Object): Initialize no_export_ to false.
8946         (Object::no_export, Object::set_no_export): New methods.
8947         (Object::no_export_): New field.
8948         * options.cc (General_options::parse_exclude_libs): New method.
8949         (General_options::check_excluded_libs) Same.
8950         * options.h (exclude_libs): New option.
8951         (General_options::check_excluded_libs): New method declaration.
8952         (General_options::excluded_libs_): New field.
8953         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8954         default or protected visibility if an object has no-export flag set.
8955         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8956         (check_SCRIPTS): Add exclude_libs_test.sh.
8957         (check_DATA): Add exclude_libs_test.syms.
8958         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8959         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8960         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8961         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8962         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8963         libexclude_libs_test_2.a): New rules.
8964         * testsuite/Makefile.in: Regenerate.
8965         * testsuite/exclude_libs_test.c: New file.
8966         * testsuite/exclude_libs_test.sh: Ditto.
8967         * testsuite/exclude_libs_test_1.c: Ditto.
8968         * testsuite/exclude_libs_test_2.c: Ditto.
8969
8970 2009-05-15  Ian Lance Taylor  <iant@google.com>
8971
8972         * configure.ac: Check for declarations for cases where libiberty.h
8973         checks HAVE_DECL_xxx.
8974         * configure, config.in: Rebuild.
8975
8976 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8977
8978         * gold.h (Incremental_argument_list): Remove (invalid) forward
8979         declaration.
8980         * incremental.cc (Incremental_inputs::report_achive): New method.
8981         (Incremental_inputs::report_object): New method.
8982         (Incremental_inputs::report_script): New method.
8983         (Incremental_inputs::finalize_inputs): New method.
8984         (Incremental_inputs::finalize): Call finalize_inputs().
8985         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8986         Create inputs entries.
8987         * incremental.h (Incremental_input_type): New enum.
8988         (Incremental_inputs::Incremental_input): Initialize new fields.
8989         (Incremental_inputs::report_inputs): New method.
8990         (Incremental_inputs::report_achive): New method.
8991         (Incremental_inputs::report_object): New method.
8992         (Incremental_inputs::report_script): New method.
8993         (Incremental_inputs::finalize_inputs): New method.
8994         (Incremental_inputs::Input_info): New struct.
8995         (Incremental_inputs::Input_info_map): New typedef.
8996         (Incremental_inputs::lock_): New field.
8997         (Incremental_inputs::Inputs_): New field.
8998         (Incremental_inputs::Inputs_map): New field.
8999         * main.cc (main): Call Incremental_input::report_inputs.
9000         * options.h (Input_argument_list): Typedef moved from
9001         Input_arguments.
9002         (Input_file_group::Files): Remove, use ::Input_argument_list.
9003         (Input_file_group::Input_argument_list): Remove, use
9004         ::Input_argument_list.
9005         * plugin.cc (Plugin_manager::add_input_file): Add error in
9006         incremental build.
9007         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9008         functions.
9009         * script.cc (read_input_script): Call
9010         Incremental_input::report_script.
9011         * script.h (Script_info): New class.
9012
9013 2009-04-27  Ian Lance Taylor  <iant@google.com>
9014
9015         * x86_64.cc (do_adjust_output_section): Set entsize to
9016         plt_entry_size.
9017
9018 2009-04-23  Elliott Hughes  <enh@google.com>
9019
9020         * output.cc (Output_file::close): After short writes, continue
9021         writing from the correct offset in the buffer being written.
9022
9023 2009-04-23  Chris Demetriou  <cgd@google.com>
9024
9025         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9026         * configure: Regenerate.
9027         * config.in: Regenerate.
9028         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9029         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9030
9031 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9032
9033         * incremental.cc (Incremental_inputs_header_data): Renamed from
9034         Incremental_input_header_data.
9035         (Incremental_inputs_header_data::data_size): New field.
9036         (Incremental_inputs_header_data::put_input_file_count): Renamed
9037         from input_file_count.
9038         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9039         from command_line_offset.
9040         (Incremental_inputs_header_data::put_reserved): Renamed from
9041         put_reserved.
9042         (Incremental_inputs_entry_data): Renamed from
9043         Incremental_input_entry_data.
9044         (Incremental_inputs_entry_data::data_size): New field.
9045         (Incremental_inputs::report_command_line): New method.
9046         (Incremental_inputs::finalize): New method.
9047         (Incremental_inputs::create_incremental_inputs_data): New method.
9048         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9049         * incremental.h: New file.
9050         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9051        (Layout::finalize): Create incremental inputs section in
9052         incremental builds.
9053        (Layout::create_incremental_info_sections): New method.
9054         * layout.h (Layout::incremental_inputs): New method.
9055        (Layout::create_incremental_info_sections): New method.
9056        (Layout::incremental_inputs_): New field.
9057         * main.cc (main): Notify Incremental_input of the command line.
9058
9059 2009-04-01  Ian Lance Taylor  <iant@google.com>
9060             Mikolaj Zalewski  <mikolajz@google.com>
9061
9062         * gold.h (reserve_unordered_map): Define, three versions, one for
9063         each version of Unordered_map.
9064         * layout.cc (Layout::Layout): Remove options parameter.  Add
9065         number_of_input_files parameter.  Don't initialize options_.
9066         Initialize number_of_input_files_ and resized_signatures_.  Move
9067         sections_are_attached_.
9068         (Layout::layout_group): Reserve space for group_signatures_.
9069         (Layout::find_or_add_kept_section): Change name parameter to be a
9070         reference.  Resize signatures_ map when it gets large enough.
9071         (Layout::layout_eh_frame): Use parameters->options() instead of
9072         this->options_.
9073         (Layout::make_output_section): Likewise.
9074         (Layout::attach_allocated_section_to_segment): Likewise.
9075         (Layout::finalize, Layout::create_executable_stack): Likewise.
9076         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9077         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9078         * layout.h (class Layout): Update declarations.  Remove options_
9079         field.  Add number_of_input_files_ and resized_signatures_
9080         fields.  Move sections_are_attached_ field.
9081         * main.cc (main): Pass number of input files to Layout
9082         constructor.  Don't pass options.
9083
9084 2009-03-30  Ian Lance Taylor  <iant@google.com>
9085
9086         * ffsll.c (ffsll): Correct implementation.
9087
9088 2009-03-27  Ian Lance Taylor  <iant@google.com>
9089
9090         * ffsll.c: New file.
9091         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9092         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9093         * ftruncate.c (ftruncate): Declare before definition.
9094         * mremap.c (mremap): Likewise.
9095         * pread.c (pread): Likewise.
9096         * configure, Makefile.in, config.in: Rebuild.
9097
9098         * mremap.c: New file.
9099         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9100         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9101         (mremap): Declare if HAVE_MREMAP is not defined.
9102         * configure, Makefile.in, config.in: Rebuild.
9103
9104 2009-03-27  Cary Coutant  <ccoutant@google.com>
9105
9106         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9107         position independent.
9108         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9109         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9110
9111 2009-03-24  Cary Coutant  <ccoutant@google.com>
9112
9113         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9114         an executable.
9115         (needs_dynamic_reloc): Likewise.
9116
9117 2009-03-24  Ian Lance Taylor  <iant@google.com>
9118
9119         * yyscript.y (file_cmd): Recognize EXTERN.
9120         (extern_name_list, extern_name_list_body): New nonterminals.
9121         * script.cc (script_add_extern): Define.
9122         * script-c.h (script_add_extern): Declare.
9123
9124 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9125
9126         * object.cc (is_elf_object): Define.
9127         * object.h (is_elf_object): Declare.
9128         * archive.cc (Archive::get_elf_object_for_member): Call
9129         is_elf_object.
9130         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9131
9132 2009-03-24  Elliott Hughes  <enh@google.com>
9133
9134         * output.cc (Output_file::map_anonymous): Define.
9135         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9136         try an anonymous one.  Report the size if the mmap fails.
9137         * output.h (class Output_file): Declare map_anonymous.
9138
9139 2009-03-24  Ian Lance Taylor  <iant@google.com>
9140
9141         * target-select.cc (instantiate_target): Don't acquire the lock if
9142         the instantiated_target_ field has already been set.
9143
9144 2009-03-23  Ian Lance Taylor  <iant@google.com>
9145
9146         * gold-threads.h (class Initialize_lock): Define.
9147         * gold-threads.cc (class Initialize_lock_once): Define.
9148         (initialize_lock_control): New static variable.
9149         (initialize_lock_pointer): New static variable.
9150         (initialize_lock_once): New static function.
9151         (Initialize_lock::Initialize_lock): Define.
9152         (Initialize_lock::initialize): Define.
9153         * target-select.h: Include "gold-threads.h".
9154         (class Target_selector): Add lock_ and initialize_lock_ fields.
9155         Don't define instantiate_target, just declare it.
9156         * target-select.cc (Target_selector::Target_selector): Initialize
9157         new fields.
9158         (Target_selector::instantiate_target): Define.
9159         * descriptors.h: Include "gold-threads.h".
9160         (class Descriptors): Add initialize_lock_ field.
9161         * descriptors.cc (Descriptors::Descriptors): Initialize new
9162         field.
9163         (Descriptors::open): Use initialize_lock_ field
9164         * errors.h (class Errors): Add initialize_lock_ field.
9165         * errors.cc (Errors::Errors): Initialize new field.
9166         (Errors::initialize_lock): Use initialize_lock_ field.
9167         * powerpc.cc (class Target_selector_powerpc): Remove
9168         instantiated_target_ field.  In do_recognize call
9169         instantiate_target rather than do_instantiate_target.  In
9170         do_instantiate_target just allocate a new target.
9171         * sparc.cc (class Target_selector_sparc): Likewise.
9172
9173         * freebsd.h: New file.
9174         * i386.cc: Include "freebsd.h".
9175         (Target_i386): Derive from Target_freebsd rather than
9176         Sized_target.
9177         (Target_selector_i386): Derive from Target_selector_freebsd rather
9178         than Target_selector.
9179         * x86_64.cc: Include "freebsd.h".
9180         (Target_x86_64): Derive from Target_freebsd rather than
9181         Sized_target.
9182         (Target_selector_x86_64): Derive from Target_selector_freebsd
9183         rather than Target_selector.
9184         * target.h (class Target): Add adjust_elf_header and
9185         do_adjust_elf_header.
9186         * output.cc (Output_file_header:: do_sized_write): Call target
9187         adjust_elf_header routine.
9188         * configure.tgt: Set targ_osabi.
9189         * configure.ac: Define GOLD_DEFAULT_OSABI.
9190         * parameters.cc (Parameters::default_target): Pass
9191         GOLD_DEFAULT_OSABI to select_target.
9192         * target-select.h (class Target_selector): Make instantiate_target
9193         protected rather than private.
9194         * Makefile.am (HFILES): Add freebsd.h.
9195         * configure, Makefile.in, config.in: Rebuild.
9196
9197         * merge.cc (do_add_input_section): Correct pend value.  Change
9198         message about last entry not being null terminated from error to
9199         warning.
9200
9201 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9202
9203         * incremental.cc: New file.
9204         * Makefile.am (CCFILES): Add incremental.cc.
9205         * Makefile.in: Rebuild.
9206
9207 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9208
9209         * layout.cc (Layout::output_section_name): Preserve names
9210         of '.note.' sections.
9211
9212 2009-03-19  Ian Lance Taylor  <iant@google.com>
9213
9214         * descriptors.cc (Descriptors::open): Check that the options are
9215         valid before using them.
9216
9217 2009-03-18  Ian Lance Taylor  <iant@google.com>
9218
9219         * script-sections.h: Include <list>.
9220         (class Script_sections): Change Sections_elements from std::vector
9221         to std::list.  Typedef public Elements_iterator.  Add
9222         orphan_section_placement_, data_segment_align_start_, and
9223         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9224         field.
9225         * script-sections.cc (class Orphan_section_placement): New class.
9226         (class Sections_element): Add virtual functions is_relro and
9227         orphan_section_init.  Remove virtual function place_orphan_here.
9228         (class Output_section_definition): Add is_relro and
9229         orphan_section_init.  Remove place_orphan_here.
9230         (class Orphan_output_section): Likewise.
9231         (Script_sections::Script_sections): Update for field changes.
9232         (Script_sections::data_segment_align): Set saw_data_segment_align_
9233         and data_segment_align_start_, not data_segment_align_index.
9234         (Script_sections::data_segment_relro_end): Check
9235         saw_data_segment_align_.  Use data_segment_align_start_ rather
9236         than data_segment_align_index_.
9237         (Script_sections::place_orphan): Rewrite to use
9238         Orphan_section_placement.
9239
9240 2009-03-17  Ian Lance Taylor  <iant@google.com>
9241
9242         * archive.cc (Archive::add_symbols): Check for a version attached
9243         to the symbol name in the archive map.
9244         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9245         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9246         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9247         (ver_test_11.a): New target.
9248         * testsuite/Makefile.in: Rebuild.
9249
9250         * configure.ac: Check for chsize and posix_fallocate.  Replace
9251         ftruncate.
9252         * ftruncate.c: New file, from gnulib.
9253         * output.cc (posix_fallocate): Define dummy version if not
9254         HAVE_POSIX_FALLOCATE.
9255         (Output_file::map): Call posix_fallocate rather than lseek and
9256         write.
9257         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9258         * configure, Makefile.in, config.in: Rebuild.
9259
9260 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9261
9262         * layout.h (Layout::create_note): Add section_name parameter.
9263         * layout.cc (Layout::create_note): Likewise.
9264         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9265
9266 2009-03-17  Ian Lance Taylor  <iant@google.com>
9267
9268         * descriptors.cc: Include "options.h".
9269         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9270         (Descriptors::open): Always use O_CLOEXEC when opening a new
9271         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9272         then set FD_CLOEXEC.
9273
9274         * sparc.cc (class Target_sparc): Add has_got_section.
9275         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9276         make sure we have a GOT section.
9277
9278         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9279         (Target_sparc::Scan::local): Likewise.
9280         (Target_sparc::Scan::global): Likewise.
9281         (Target_sparc::Relocate::relocate): Likewise.
9282         (Target_sparc::Relocate::relocate_tls): Likewise.
9283
9284         * symtab.cc (Symbol_table::define_default_version): New function,
9285         broken out of add_from_object.
9286         (Symbol_table::add_from_object): Call define_default_version.
9287         (Symbol_table::define_special_symbol): Add resolve_oldsym
9288         parameter.  Change all callers.  If the version for a symbol comes
9289         from a version script, resolve it with the symbol with the same
9290         name with no version.  Also add the symbol without a version if
9291         appropriate.
9292         (do_define_in_output_data): If resolving with oldsym, don't delete
9293         sym.
9294         (do_define_in_output_segment): Likewise.
9295         (do_define_as_constant): Likewise.
9296         * symtab.h (class Symbol_table): Update declarations.
9297
9298 2009-03-13  Ian Lance Taylor  <iant@google.com>
9299
9300         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9301         (Read_symbols::requeue): New function.
9302         (Read_symbols::do_read_symbols): If make_elf_object fails because
9303         the target type is not configured, and the file was searched for,
9304         issue a warning and retry with the next directory.
9305         (Add_symbols::run): If the file has an incompatible format, and
9306         it was searched for, requeue the Read_symbols task.  On error,
9307         release the object.
9308         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9309         dirindex parameter to constructor.  Change all callers.  Declare
9310         incompatible_warning and requeue.
9311         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9312         input_argument_ and input_group_ fields.  Add them to
9313         constructor.  Change all callers.
9314         (class Read_script): Add dirindex_ field.  Add it to constructor.
9315         Change all callers.
9316         * archive.cc (Archive::setup): Remove input_objects parameter.
9317         Change all callers.
9318         (Archive::get_file_and_offset): Likewise.
9319         (Archive::read_all_symbols): Likewise.
9320         (Archive::read_symbols): Likewise.
9321         (Archive::get_elf_object_for_member): Remove input_objects
9322         parameter.  Add punconfigured parameter.  Change all callers.
9323         (Archive::add_symbols): Change return type to bool.  Check return
9324         value of include_member.
9325         (Archive::include_all_members): Likewise.
9326         (Archive::include_member): Change return type to bool.  Return
9327         false if first included object has incompatible target.  Set
9328         included_member_ field.
9329         (Add_archive_symbols::run): If add_symbols returns false, requeue
9330         Read_symbols task.
9331         * archive.h (class Archive): Add included_member_ field.
9332         Initialize it in constructor.  Add input_file and searched_for
9333         methods.  Update declarations.
9334         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9335         input_argument_ fields.  Add them to constructor.  Change all
9336         callers.
9337         * script.cc: Include "target-select.h".
9338         (class Parser_closure): Add skip_on_incompatible_target_ and
9339         found_incompatible_target_ fields.  Add
9340         skip_on_incompatible_target parameter to constructor.  Change all
9341         callers.  Add methods skip_on_incompatible_target,
9342         clear_skip_on_incompatible_target, found_incompatible_target, and
9343         set_found_incompatible_target.
9344         (read_input_script): Add dirindex parameter.  Change all callers.
9345         If parser finds an incompatible target, requeue Read_symbols
9346         task.
9347         (script_set_symbol): Clear skip_on_incompatible_target in
9348         closure.
9349         (script_add_assertion, script_parse_option): Likewise.
9350         (script_start_sections, script_add_phdr): Likewise.
9351         (script_check_output_format): New function.
9352         * script.h (read_input_script): Update declaration.
9353         * script-c.h (script_check_output_format): Declare.
9354         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9355         (ignore_cmd): Remove OUTPUT_FORMAT.
9356         * fileread.cc (Input_file::Input_file): Add explicit this.
9357         (Input_file::will_search_for): New function.
9358         (Input_file::open): Add pindex parameter.  Change all callers.
9359         * fileread.h (class Input_file): Add input_file_argument method.
9360         Declare will_search_for.  Update declarations.
9361         * object.cc (make_elf_object): Add punconfigured parameter.
9362         Change all callers.
9363         * object.h (class Object): Make input_file public.  Add
9364         searched_for method.
9365         (make_elf_object): Update declaration.
9366         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9367         restart search.
9368         * dirsearch.h (class Dirsearch): Update declaration.
9369         * options.h (class General_options): Add --warn-search-mismatch.
9370         * parameters.cc (Parameters::is_compatible_target): New function.
9371         * parameters.h (class Parameters): Declare is_compatible_target.
9372         * workqueue.cc (Workqueue::add_blocker): New function.
9373         * workqueue.h (class Workqueue): Declare add_blocker.
9374
9375         * fileread.cc (Input_file::open): Remove options parameter.
9376         Change all callers.
9377         (Input_file::open_binary): Likewise.
9378         * script.cc (read_input_script): Likewise.
9379         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9380         options parameter from constructor.  Change all callers.
9381         (class Read_script): Likewise.
9382         * fileread.h (class Input_file): Update declarations.
9383         * script.h (read_input_script): Update declaration.
9384
9385 2009-03-10  Nick Clifton  <nickc@redhat.com>
9386
9387         * po/es.po: New Spanish translation.
9388
9389 2009-03-06  Cary Coutant  <ccoutant@google.com>
9390
9391         * options.cc (parse_short_option): Keep dash_z from registering itself.
9392
9393 2009-03-03  Ian Lance Taylor  <iant@google.com>
9394
9395         PR 9918
9396         * target-reloc.h (relocate_section): Pass output_section to
9397         relocate.
9398         * i386.cc (Target_i386::should_apply_static_reloc): Add
9399         output_section parameter.  Change all callers.
9400         (Target_i386::Relocate::relocate): Add output_section parameter.
9401         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9402         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9403         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9404         * testsuite/two_file_shared.sh: New script.
9405         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9406         (check_DATA): Add two_file_shared.dbg.
9407         (two_file_shared.dbg): New target.
9408         * testsuite/Makefile.in: Rebuild.
9409
9410 2009-03-01  Ian Lance Taylor  <iant@google.com>
9411
9412         * configure.ac: Check for byteswap.h.
9413         * configure: Rebuild.
9414         * config.in: Rebuild.
9415
9416 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9417
9418         * layout.cc (Layout::find_or_add_kept_section): New function.
9419         (Layout::add_comdat): Removed.
9420         * layout.h (struct Kept_section): Move out of class Layout.
9421         Remove trailing underscores from field names.  Add group_sections
9422         field.  Rename group_ field to is_group.  Change all uses.
9423         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9424         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9425         comdat_groups_ field.
9426         (Sized_relobj::include_section_group): Use
9427         find_or_add_kept_section and Kept_section::group_sections.
9428         (Sized_relobj::include_linkonce_section): Likewise.
9429         * object.cc (class Sized_relobj): Don't define Comdat_group or
9430         Comdat_group_table.  Remove find_comdat_group and
9431         add_comdat_group.  Remove comdat_groups_ field.
9432         * plugin.cc (include_comdat_group): Use
9433         Layout::find_or_add_kept_section.
9434
9435 2009-02-28  Ian Lance Taylor  <iant@google.com>
9436
9437         * README: --gc-sections and map files are now supported.  Document
9438         some build requirements.
9439
9440         PR 6992
9441         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9442         relocatable link set the value of the section symbol to zero.
9443         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9444         relocatable link don't include the section address in the local
9445         symbol value.
9446
9447 2009-02-27  Ian Lance Taylor  <iant@google.com>
9448
9449         PR 6811
9450         * options.h (class Search_directory): Add is_system_directory.
9451         (class General_options): Declare is_in_system_directory.
9452         * options.cc (get_relative_sysroot): Make static.
9453         (get_default_sysroot): Make static.
9454         (General_optoins::is_in_system_directory): New function.
9455         * fileread.cc (Input_file::is_in_system_directory): New function.
9456         * fileread.h (class Input_file): Declare is_in_system_directory.
9457         * object.h (class Object): Add is_in_system_directory.
9458         (class Input_objects): Remove system_library_directory_ field.
9459         * object.cc (Input_objects::add_object): Don't set
9460         system_library_directory_.
9461         (input_objects::found_in_system_library_directory): Remove.
9462         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9463         parameter.  Change all callers.
9464         (Symbol_table::sized_write_globals): Likewise.
9465         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9466         Call Object::is_in_system_directory.
9467         * symtab.h (class Symbol_table): Update declarations.
9468
9469         PR 5990
9470         * descriptors.h (Open_descriptor): Add is_on_stack field.
9471         * descriptors.cc (Descriptors::open): If the descriptor is on the
9472         top of the stack, remove it.  Initialize is_on_stack field.
9473         (Descriptors::release): Only add pod to stack if it is not on the
9474         stack already.
9475         (Descriptors::close_some_descriptor): Clear stack_next and
9476         is_on_stack fields.
9477
9478         PR 7091
9479         * output.cc (Output_section::find_starting_output_address): Rename
9480         from starting_output_address; add PADDR parameter; change return
9481         type.
9482         * output.h (class Output_section): Declare
9483         find_starting_output_address instead of starting_output_address.
9484         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9485         section symbol for which we can't find a merge section.
9486
9487         PR 9836
9488         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9489         hidden or internal, force the symbol to be local.
9490         * resolve.cc (Symbol::override_visibility): Define.
9491         (Symbol::override_base): Use override_visibility.
9492         (Symbol_table::resolve): Likewise.
9493         (Symbol::override_base_with_special): Likewise.
9494         (Symbol_table::override_with_special): If the visibility is hidden
9495         or internal, force the symbol to be local.
9496         * symtab.h (class Symbol): Add set_visibility and
9497         override_visibility.
9498         * testsuite/ver_test_1.sh: New file.
9499         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9500         (check_DATA): Add ver_test_1.syms.
9501         (ver_test_1.syms): New target.
9502         * testsuite/Makefile.in: Rebuild.
9503
9504 2009-02-25  Cary Coutant  <ccoutant@google.com>
9505
9506         * layout.cc (Layout::choose_output_section): Don't rename sections
9507         when using a linker script that has a SECTIONS clause.
9508         * Makefile.in: Regenerate.
9509
9510         * testsuite/Makefile.am (script_test_5.sh): New test case.
9511         * testsuite/Makefile.in: Regenerate.
9512         * testsuite/script_test_5.cc: New file.
9513         * testsuite/script_test_5.sh: New file.
9514         * testsuite/script_test_5.t: New file.
9515
9516 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9517
9518         * archive.cc (Archive::include_member): Update calls to add_symbols.
9519         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9520         the Layout argument.
9521         * dynobj.h (do_add_symbols): Add the Layout argument.
9522         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9523         Layout argument.
9524         * object.h (Object::add_symbols): Add the Layout argument.
9525         (Object::do_add_symbols): Add the Layout argument.
9526         (Sized_relobj::do_add_symbols): Add the Layout argument.
9527         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9528         Unify the two versions.
9529         (Add_plugin_symbols): Remove.
9530         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9531         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9532         (Add_plugin_symbols): Remove.
9533         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9534         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9535         (Add_symbols::run): Make it work with Pulginobj.
9536
9537 2009-02-06  Ian Lance Taylor  <iant@google.com>
9538
9539         * object.cc (Sized_relobj::do_layout): Make info message start
9540         with lower case letter.
9541
9542 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9543
9544         * binary.cc: Fix file comment.
9545
9546         * options.h (enum Incremental_disposition): Define.
9547         (class General_options): Add new options: --incremental,
9548         --incremental_changed, --incremental_unchanged,
9549         --incremental_unknown.  Add incremental_disposition_ and
9550         implicit_incremental_ fields.
9551         (General_options::incremental_disposition): New function.
9552         (class Position_dependent_options): Add incremental_disposition
9553         option.
9554         (Position_dependent_options::copy_from_options): Set incremental
9555         dispositions.
9556         * options.cc (General_options::parse_incremental_changed): New
9557         function.
9558         (General_options::parse_incremental_unchanged): New function.
9559         (General_options::parse_incremental_unknown): New function.
9560         (General_options::General_options): Initialize new fields
9561         incremental_disposition_ and implicit_incremental_.
9562         (General_options::finalize): Check for uasge of --incremental-*
9563         without --incremental.
9564
9565 2009-02-06  Chris Demetriou  <cgd@google.com>
9566
9567         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9568         pointer and to report location as the file name associated with
9569         the symbol.
9570         (gold_undefined_symbol_at_location): New function to replace the
9571         old gold_undefined_symbol functionality.
9572         * target-reloc.h (relocate_section): Update to use
9573         gold_undefined_symbol_at_location.
9574         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9575         Call gold_undefined_symbol function rather than gold_error.
9576         * errors.h (Errors::undefined_symbol): Take location as a
9577         string, rather than calculating it from a relocation.
9578         * errors.cc (Errors::fatal): Print "fatal error:" before the
9579         formatted message.
9580         (Errors::error, Errors::error_at_location): Print "error: "
9581         before the formatted message.
9582         (Errors::undefined_symbol): Take location as a string, rather
9583         than calculating it from a relocation.
9584         (gold_undefined_symbol_at_location): New function akin to
9585         old gold_undefined_symbol, calculates location from relocation.
9586         (gold_undefined_symbol): Change to take only a Symbol pointer
9587         and to report location as the file name associated with the symbol.
9588         * testsuite/debug_msg.sh: Update for changed error messages.
9589         * testsuite/undef_symbol.sh: Likewise.
9590
9591 2009-02-04  Duncan Sands  <baldrick@free.fr>
9592
9593         PR 9812
9594         * reduced_debug_output.h
9595         (Output_reduced_debug_abbrev_section::failed): Use format for
9596         gold_warning.
9597         (Output_reduced_debug_info_section::faild): Likewise.
9598
9599 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9600
9601         * script.cc (Lazy_demangler): New class.
9602         (Version_script_info::get_symbol_version_helper): Demangle a
9603         symbol only once.
9604
9605 2009-01-29  Cary Coutant  <ccoutant@google.com>
9606
9607         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9608         to __tls_get_addr.
9609         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9610
9611 2009-01-28  Ian Lance Taylor  <iant@google.com>
9612
9613         * version.cc (version_string): Bump to 1.9.
9614
9615         * gold.h: Include <cstring> and <stdint.h>.
9616         * version.cc: Include <cstdio>.
9617         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9618         warning.
9619         * reduced_debug_output.cc (insert_into_vector): Rename from
9620         Insert_into_vector; change all callers.  Use Swap_unaligned to
9621         avoid aliasing issue; remove union since it is unnecessary.
9622
9623 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9624
9625         * Makefile.am (CCFILES): Add gc.cc.
9626         (HFILES): Add gc.h.
9627         * Makefile.in: Regenerate.
9628         * gold.cc (Gc_runner): New class.
9629         (queue_initial_tasks): Call garbage collection related tasks
9630         when corresponding options are invoked.
9631         (queue_middle_gc_tasks): New function.
9632         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9633         processed early before laying out sections during garbage collection.
9634         * gold.h (queue_middle_gc_tasks): New function.
9635         (is_prefix_of): Move from "layout.cc".
9636         * i386.cc (Target_i386::gc_process_relocs): New function.
9637         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9638         * main.cc (main): Create object of class "Garbage_collection".
9639         * object.cc (Relobj::copy_symbols_data): New function.
9640         (Relobj::is_section_name_included): New function.
9641         (Sized_relobj::do_layout): Allow this function to be called twice
9642         during garbage collection and defer layout of section during the
9643         first call.
9644         * object.h (Relobj::get_symbols_data): New function.
9645         (Relobj::is_section_name_included): New function.
9646         (Relobj::copy_symbols_data): New function.
9647         (Relobj::set_symbols_data): New function.
9648         (Relobj::get_relocs_data): New function.
9649         (Relobj::set_relocs_data): New function.
9650         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9651         (Relobj::gc_process_relocs): New function.
9652         (Relobj::do_gc_process_relocs): New pure virtual function.
9653         (Relobj::sd_): New data member.
9654         (Sized_relobj::is_output_section_offset_invalid): New function.
9655         (Sized_relobj::do_gc_process_relocs): New function.
9656         * options.h (General_options::gc_sections): Modify to not be a no-op.
9657         (General_options::print_gc_sections): New option.
9658         * plugin.cc (Plugin_finish::run): Remove function call to
9659         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9660         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9661         * reloc.cc (Read_relocs::run): Add task to process relocs and
9662         determine unreferenced sections when doing garbage collection.
9663         (Gc_process_relocs): New class.
9664         (Sized_relobj::do_gc_process_relocs): New function.
9665         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9666         sections that are garbage collected.
9667         * reloc.h (Gc_process_relocs): New class.
9668         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9669         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9670         symbols whose corresponding sections are garbage collected.
9671         (Symbol_table::Symbol_table): Add new parameter for the garbage
9672         collection object.
9673         (Symbol_table::gc_mark_undef_symbols): New function.
9674         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9675         (Symbol_table::gc_mark_dyn_syms): New function.
9676         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9677         as garbage.
9678         (Symbol_table::add_from_object): Likewise.
9679         (Symbol_table::add_from_relobj): When building shared objects, do not
9680         treat externally visible symbols as garbage.
9681         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9682         table information for static and relocatable links.
9683         * symtab.h (Symbol_table::set_gc): New function.
9684         (Symbol_table::gc): New function.
9685         (Symbol_table::gc_mark_undef_symbols): New function.
9686         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9687         (Symbol_table::gc_mark_dyn_syms): New function.
9688         (Symbol_table::gc_): New data member.
9689         * target.h (Sized_target::gc_process_relocs): New pure virtual
9690         function.
9691         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9692         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9693
9694 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9695
9696         * options.h (General_options::gc_sections): Define as a no-op for now.
9697         (General_options::no_keep_memory): Ditto.
9698         (General_options::Bshareable): Define.
9699         * options.cc (General_options::finalize): Honor -Bshareable.
9700
9701 2009-01-20  Andreas Schwab  <schwab@suse.de>
9702
9703         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9704         read the value in the contents, since we don't use it.  Use the
9705         template endianness when writing.
9706         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9707
9708 2009-01-19  Andreas Schwab  <schwab@suse.de>
9709
9710         * configure.tgt (powerpc64-*): Fix targ_obj.
9711
9712 2009-01-15  Ian Lance Taylor  <iant@google.com>
9713
9714         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9715         local symbols when stripping all symbols.
9716
9717 2009-01-14  Cary Coutant  <ccoutant@google.com>
9718
9719         * output.cc (Output_reloc): Add explicit instantiations.
9720
9721 2009-01-14  Cary Coutant  <ccoutant@google.com>
9722
9723         * archive.cc (Archive::get_elf_object_for_member): Remove call
9724         to File_read::claim_for_plugin.
9725         * descriptors.cc (Descriptors::open): Remove reference to
9726         is_claimed.
9727         (Descriptors::claim_for_plugin): Remove.
9728         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9729         (Descriptors::is_claimed): Remove.
9730         (claim_descriptor_for_plugin): Remove.
9731         * fileread.cc (File_read::claim_for_plugin): Remove.
9732         * fileread.h (File_read::claim_for_plugin): Remove.
9733         (File_read::descriptor): Reopen descriptor if necessary.
9734         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9735         (Plugin_manager::all_symbols_read): Add task parameter. Change
9736         all callers.
9737         (Plugin_manager::get_input_file): New function.
9738         (Plugin_manager::release_input_file): New function.
9739         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9740         corresponding data member.
9741         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9742         and pass to base constructor. Change all callers.
9743         (get_input_file, release_input_file): New functions.
9744         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9745         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9746         (Plugin_manager::all_symbols_read): Add task parameter.
9747         (Plugin_manager::get_input_file): New function.
9748         (Plugin_manager::release_input_file): New function.
9749         (Plugin_manager::task_): New data member.
9750         (Pluginobj::Pluginobj): Add filesize parameter.
9751         (Pluginobj::filename): New function.
9752         (Pluginobj::descriptor): New function.
9753         (Pluginobj::filesize): New function.
9754         (Pluginobj::filesize_): New data member.
9755         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9756         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9757         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9758
9759         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9760         with archive libraries.
9761         * testsuite/Makefile.in: Regenerate.
9762         * testsuite/plugin_test.c (struct sym_info): New type.
9763         (get_input_file, release_input_file): New static variables.
9764         (onload): Capture new transfer vector entries.
9765         (claim_file_hook): Stop reading at end of file according to filesize.
9766         Factor out parsing of readelf output into separate function.
9767         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9768         APIs and get the source file name from the symbol table.  Convert
9769         source file name to corresponding object file name.  Print info
9770         message when adding new input files.
9771         (parse_readelf_line): New function.
9772         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9773         * testsuite/plugin_test_2.sh: Likewise.
9774         * testsuite/plugin_test_3.sh: Likewise.
9775         * testsuite/plugin_test_4.sh: New test case.
9776
9777 2009-01-07  Ian Lance Taylor  <iant@google.com>
9778
9779         * version.cc (version_string): Bump to 1.8.
9780
9781 2008-12-23  Cary Coutant  <ccoutant@google.com>
9782
9783         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9784         * plugin.cc (Plugin_manager::finish): Rename as
9785         layout_deferred_objects.  Move cleanup to separate function.
9786         (Plugin_manager::cleanup): New function.
9787         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9788         separately.
9789         * plugin.h (Plugin_manager::finish): Rename as
9790         layout_deferred_objects.
9791         (Plugin_manager::cleanup): New function.
9792         (Plugin_manager::cleanup_done): New field.
9793
9794 2008-12-23  Cary Coutant  <ccoutant@google.com>
9795
9796         * plugin.cc (is_visible_from_outside): New function.
9797         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9798         so we don't return "IR only" status for exported symbols or -r links.
9799
9800         * testsuite/Makefile.am (plugin_test_3): New test case.
9801         * testsuite/Makefile.in: Regenerate.
9802         * testsuite/plugin_test_3.sh: New file.
9803
9804 2008-12-22  Cary Coutant  <ccoutant@google.com>
9805
9806         * object.cc (Sized_relobj::layout_section): New function.
9807         (Sized_relobj::do_layout): Defer layout of input sections until after
9808         plugin has provided replacement files.
9809         (Sized_relobj::do_layout_deferred_sections): New function.
9810         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9811         (Relobj::layout_deferred_sections): New function.
9812         (Relobj::do_layout_deferred_sections): New function.
9813         (Sized_relobj::do_layout_deferred_sections): New function.
9814         (Sized_relobj::layout_section): New function.
9815         (Sized_relobj::Deferred_layout): New structure.
9816         (Sized_relobj::deferred_layout_): New field.
9817         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9818         Change all callers.  Layout deferred sections.
9819         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9820         references.
9821         (Plugin_hook::run): Move code from do_plugin_hook inline.
9822         (Plugin_hook::do_plugin_hook): Remove.
9823         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9824         (Plugin_manager::finish): Renamed, was cleanup.
9825         (Plugin_manager::should_defer_layout): New function.
9826         (Plugin_manager::add_deferred_layout_object): New function.
9827         (Plugin_manager::Deferred_layout_list): New type.
9828         (Plugin_manager::deferred_layout_objects_): New field.
9829         (Plugin_hook::do_plugin_hook): Remove.
9830
9831 2008-12-17  Ian Lance Taylor  <iant@google.com>
9832
9833         * options.h (class General_options): Add --no case for
9834         --export-dynamic.
9835
9836 2008-12-16  Cary Coutant  <ccoutant@google.com>
9837
9838         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9839         vector.
9840         (Plugin_manager::claim_file): Create plugin object even if
9841         plugin did not call the add_symbols callback.
9842         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9843         asking for more symbols than were added.
9844         * testsuite/Makefile.am (plugin_test_1): Add test case with
9845         no global symbols.
9846         (empty.syms): New target.
9847         * testsuite/Makefile.in: Regenerate.
9848         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9849         message. Don't call add_symbols if no globals.
9850         (all_symbols_read_hook): Don't provide replacement for empty
9851         claimed file.
9852
9853 2008-12-12  Ian Lance Taylor  <iant@google.com>
9854
9855         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9856         r_type == 0 for a local symbol with r_sym == 0.
9857         (scan_relocatable_relocs): Pass r_sym to
9858         local_non_section_strategy.
9859         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9860         r_sym parameter.
9861
9862         * configure.ac: Update test for TLS descriptors: they are
9863         supported as of glibc 2.9.
9864         * configure: Rebuild.
9865
9866 2008-12-11  Ian Lance Taylor  <iant@google.com>
9867
9868         PR 7091
9869         * target-reloc.h (Default_scan_relocatable_relocs): For each
9870         function, map r_type == 0 to RELOC_DISCARD.
9871
9872 2008-12-10  Cary Coutant  <ccoutant@google.com>
9873
9874         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9875         object to override a kept COMDAT group from a plugin object.
9876
9877 2008-12-09  Ian Lance Taylor  <iant@google.com>
9878
9879         PR 7088
9880         * yyscript.y (file_cmd): Handle INPUT.
9881
9882         * testsuite/initpri1.c: Change all declarations to be full
9883         prototypes by adding void, to avoid compiler warnings.
9884
9885 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9886
9887         * options.cc (General_options::parse_plugin_opt): New.
9888         (General_options::add_plugin): The argument now is just the filename.
9889         (General_options::add_plugin_option): New.
9890         * options.h (plugin_opt): New.
9891         (add_plugin): Change argument name.
9892         (add_plugin_option): New.
9893         * plugin.cc (Plugin::load): Don't parse the plugin option.
9894         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9895         (Plugin::add_option): New.
9896         (Plugin::args_): Change type.
9897         (Plugin::filename_): New.
9898         (Plugin_manager::add_plugin_option): New.
9899         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9900         * testsuite/Makefile.in: Regenerate.
9901
9902 2008-12-05  Cary Coutant  <ccoutant@google.com>
9903
9904         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9905         Handle --strip-lto-sections option.
9906         * options.h (strip_lto_sections): New option.
9907
9908 2008-12-01  Cary Coutant  <ccoutant@google.com>
9909
9910         * plugin.cc (ld_plugin_message): Change format parameter to const.
9911         Fix mismatch between new[] and delete.
9912
9913 2008-11-14  Cary Coutant  <ccoutant@google.com>
9914
9915         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9916         instead of -1U.
9917
9918 2008-11-05  Craig Silverstein  <csilvers@google.com>
9919
9920         * options.cc (General_options::parse_dynamic_list): New function.
9921         * options.h (General_options): New flags dynamic_list,
9922         dynamic_list_data, dynamic_list_cpp_new, and
9923         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9924         (General_options::in_dynamic_list): New function.
9925         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9926         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9927         (Lex::can_continue_name): Likewise.
9928         (yylex): Likewise.
9929         (read_script_file): New parameter script_options.
9930         (read_dynamic_list): New function.
9931         (Script_options::define_dynamic_list): New function.
9932         (dynamic_list_keyword_parsecodes): New variable.
9933         (dynamic_list_keywords): New variable.
9934         * script.h (Script_options::define_dynamic_list): New function
9935         prototype.
9936         (read_dynamic_list): New function prototype.
9937         * symtab.cc (strprefix): New macro.
9938         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9939         dynamic_list_data, dynamic_list_cpp_new, and
9940         dynamic_list_cpp_typeinfo.
9941         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9942         (dynamic_list_expr): New rule.
9943         (dynamic_list_nodes): Likewise.
9944         (dynamic_list_node): Likewise.
9945         * testsuite/Makefile.am (dynamic_list): New test.
9946         * testsuite/Makefile.in: Regenerated.
9947         * testsuite/dynamic_list.t: New file.
9948         * testsuite/dynamic_list.sh: New file.
9949
9950 2008-11-05  Craig Silverstein  <csilvers@google.com>
9951
9952         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9953         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9954         (t11_last): Likewise.
9955         * testsuite/ver_test_6.c (main): Likewise.
9956
9957 2008-10-07  Cary Coutant  <ccoutant@google.com>
9958
9959         * options.c (General_options::finalize): Add check for -static and
9960         -shared.
9961         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9962         is not empty.
9963
9964 2008-10-02  Cary Coutant  <ccoutant@google.com>
9965
9966         * plugin.cc (make_sized_plugin_object): Fix conditional
9967         compilation to work when not all targets are enabled.
9968
9969 2008-09-29  Cary Coutant  <ccoutant@google.com>
9970
9971         * archive.cc (Archive::get_file_and_offset): Use filename instead
9972         of name to get library path.
9973         (Archive::include_member): Unlock external member of a thin archive.
9974
9975         * testsuite/Makefile.am (TEST_AR): New variable.
9976         (thin_archive_test_1): New test.
9977         (thin_archive_test_2): New test.
9978         * testsuite/Makefile.in: Regenerate.
9979         * testsuite/thin_archive_main.cc: New file.
9980         * testsuite/thin_archive_test_1.cc: New file.
9981         * testsuite/thin_archive_test_2.cc: New file.
9982         * testsuite/thin_archive_test_3.cc: New file.
9983         * testsuite/thin_archive_test_4.cc: New file.
9984
9985 2008-09-29  Cary Coutant  <ccoutant@google.com>
9986
9987         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9988         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9989         instead of -1U.
9990         (Sized_relobj::do_finalize_local_symbols): Likewise.
9991         (Sized_relobj::map_to_kept_section): Likewise.
9992         * object.h (Sized_relobj::invalid_address): New constant.
9993         (Sized_relobj::do_output_section_offset): Check for invalid_address
9994         and return -1ULL.
9995         * output.cc (Output_reloc::local_section_offset): Use constant
9996         invalid_address instead of -1U.
9997         (Output_reloc::get_address): Likewise.
9998         (Output_section::output_address): Change -1U to -1ULL.
9999         * output.h (Output_reloc::invalid_address): New constant.
10000         * reloc.cc (Sized_relobj::write_sections): Use constant
10001         invalid_address instead of -1U.
10002         (Sized_relobj::relocate_sections): Likewise.
10003         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10004         values for merge sections.
10005         * target-reloc.h (relocate_for_relocatable): Use constant
10006         invalid_address instead of -1U.
10007
10008 2008-09-19  Cary Coutant  <ccoutant@google.com>
10009
10010         Add plugin functionality for link-time optimization (LTO).
10011         * configure.ac (plugins): Add --enable-plugins option.
10012         * configure: Regenerate.
10013         * config.in: Regenerate.
10014         * Makefile.am (LIBDL): New variable.
10015         (CCFILES): Add plugin.cc.
10016         (HFILES): Add plugin.h.
10017         (ldadd_var): Add LIBDL.
10018         * Makefile.in: Regenerate.
10019
10020         * archive.cc: Include "plugin.h".
10021         (Archive::setup): Don't preread archive symbols when using a plugin.
10022         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10023         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10024         files.
10025         (Archive::include_member): Add symbols from plugin objects.
10026         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10027         * descriptors.cc (Descriptors::open): Check for file descriptors
10028         abandoned by plugins.
10029         (Descriptors::claim_for_plugin): New function.
10030         * descriptors.h (Descriptors::claim_for_plugin): New function.
10031         (Open_descriptor::is_claimed): New field.
10032         (claim_descriptor_for_plugin): New function.
10033         * fileread.cc (File_read::claim_for_plugin): New function.
10034         * fileread.h (File_read::claim_for_plugin): New function.
10035         (File_read::descriptor): New function.
10036         * gold.cc: Include "plugin.h".
10037         (queue_initial_tasks): Add task to call plugin hooks for generating
10038         new object files.
10039         * main.cc: Include "plugin.h".
10040         (main): Load plugin libraries.
10041         * object.h (Pluginobj): Declare.
10042         (Object::pluginobj): New function.
10043         (Object::do_pluginobj): New function.
10044         (Object::set_target): New function.
10045         * options.cc: Include "plugin.h".
10046         (General_options::parse_plugin): New function.
10047         (General_options::General_options): Initialize plugins_ field.
10048         (General_options::add_plugin): New function.
10049         * options.h (Plugin_manager): Declare.
10050         (General_options): Add --plugin option.
10051         (General_options::has_plugins): New function.
10052         (General_options::plugins): New function.
10053         (General_options::add_plugin): New function.
10054         (General_options::plugins_): New field.
10055         * plugin.cc: New file.
10056         * plugin.h: New file.
10057         * readsyms.cc: Include "plugin.h".
10058         (Read_symbols::do_read_symbols): Check for archive before checking
10059         for ELF file.  Call plugin hooks to claim files.
10060         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10061         from a real object file; force override when processing replacement
10062         files.
10063         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10064         (Symbol::init_base_object): Likewise.
10065         (Symbol::init_base_output_data): Likewise.
10066         (Symbol::init_base_output_segment): Likewise.
10067         (Symbol::init_base_constant): Likewise.
10068         (Symbol::init_base_undefined): Likewise.
10069         (Symbol::output_section): Assert that object is not a plugin.
10070         (Symbol_table::add_from_pluginobj): New function.
10071         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10072         undefined.
10073         (Symbol_table::sized_write_globals): Likewise.
10074         (Symbol_table::add_from_pluginobj): Instantiate template.
10075         * symtab.h (Sized_pluginobj): Declare.
10076         (Symbol::in_real_elf): New function.
10077         (Symbol::set_in_real_elf): New function.
10078         (Symbol::in_real_elf_): New field.
10079         (Symbol_table::add_from_pluginobj): New function.
10080
10081         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10082         (LIBDL): New variable.
10083         (LDADD): Add LIBDL.
10084         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10085         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10086         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10087         (MOSTLYCLEANFILES): Likewise.
10088         * testsuite/Makefile.in: Regenerate.
10089         * testsuite/plugin_test.c: New file.
10090         * testsuite/plugin_test_1.sh: New file.
10091         * testsuite/plugin_test_2.sh: New file.
10092
10093 2008-09-16  Ian Lance Taylor  <iant@google.com>
10094
10095         * target-reloc.h (relocate_section): Check whether a symbol is
10096         defined by the ABI before reporting an undefined symbol error.
10097         * target.h (Target::is_defined_by_abi): Make parameter const.
10098         (Target::do_is_defined_by_abi): Likewise.
10099         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10100         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10101         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10102         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10103         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10104         * testsuite/Makefile.in: Rebuild.
10105
10106         * fileread.cc (make_view): Add casts to avoid warning.
10107
10108 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10109
10110         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10111         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10112
10113 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10114
10115         * options.h (General_options::output_is_executable): New.
10116         (General_options::output_is_pie): New.
10117         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10118         for shared libraries.
10119         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10120
10121 2008-09-11  Chris Demetriou  <cgd@google.com>
10122
10123         * options.h (origin): New -z option.
10124         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10125         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10126         in DT_FLAGS_1.
10127
10128 2008-09-05  Cary Coutant  <ccoutant@google.com>
10129
10130         * fileread.cc (File_read::make_view): Add check for attempt to map
10131         beyond end of file.
10132
10133 2008-09-05  Cary Coutant  <ccoutant@google.com>
10134
10135         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10136         explicit instantiations.
10137
10138 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10139
10140         PR gold/6858
10141         * options.cc (General_options::finalize): Allow undefined symbols
10142         in shlibs if linking -shared.
10143
10144         PR gold/6859
10145         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10146         symbols as not needing a dynsym entry.
10147
10148 2008-08-20  Craig Silverstein  <csilvers@google.com>
10149
10150         * fileread.cc (File_read::open): Do not lock the file unless it
10151         was successfully opened.
10152
10153 2008-08-14  Cary Coutant  <ccoutant@google.com>
10154
10155         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10156         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10157         * testsuite/tls_test.cc (struct int128): 128-bit struct
10158         for testing TLS relocs with non-zero addend.
10159         (v12): New TLS variable.
10160         (t12): New test.
10161         (t_last): Add check for v12.
10162         * testsuite/tls_test.h (t12): New function.
10163         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10164
10165 2008-08-13  Ian Lance Taylor  <iant@google.com>
10166
10167         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10168         set tls_segment_ or relro_segment_.
10169         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10170         when appropriate.
10171         * output.h (Output_section::clear_is_relro): New function.
10172         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10173         sections specially even when output_data_ is empty.
10174         (Output_segment::maximum_alignment): When first section is relro,
10175         only force alignment for PT_LOAD segments.
10176         * script.cc (script_data_segment_align): New function.
10177         (script_data_segment_relro_end): New function.
10178         * script-c.h (script_data_segment_align): Declare.
10179         (script_data_segment_relro_end): Declare.
10180         * script-sections.h (class Script_sections): Declare
10181         data_segment_align and data_segment_relro_end.  Add fields
10182         segment_align_index_ and saw_relro_end_.
10183         * script-sections.cc (class Sections_element): Add set_is_relro
10184         virtual function.  Add new bool* parameter to place_orphan_here.
10185         Add get_output_section virtual function.
10186         (class Output_section_definition): Add set_is_relro.  Add new
10187         bool* parameter to place_orphan_here.  Add get_output_section.
10188         Add is_relro_ field.
10189         (Output_section_definition::Output_section_definition): Initialize
10190         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10191         and is_relro_ fields.
10192         (Output_section_definition::place_orphan_here): Add is_relro
10193         parameter.
10194         (Output_section_definition::set_section_addresses): Set relro for
10195         output section.
10196         (Output_section_definition::alternate_constraint): Likewise.
10197         (class Orphan_output_section): Add new bool* parameter to
10198         place_orphan_here.  Add get_output_section.
10199         (Orphan_output_section::place_orphan_here): Add is_relro
10200         parameter.
10201         (Script_sections::Script_sections): Initialize
10202         data_segment_align_index_ and saw_relro_end_.
10203         (Script_sections::data_segment_align): New function.
10204         (Script_sections::data_segment_relro_end): New function.
10205         (Script_sections::place_orphan): Set or clear is_relro.
10206         (Script_sections::set_section_addresses): Force alignment of first
10207         TLS section.
10208         * yyscript.y (exp): Call script_data_segment_align and
10209         script_data_segment_relro_end.
10210         * testsuite/relro_script_test.t: New file.
10211         * testsuite/relro_test.cc (using_script): Declare.
10212         (t1, t2): Test using_script.
10213         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10214         (relro_script_test_SOURCES): Define.
10215         (relro_script_test_DEPENDENCIES): Define.
10216         (relro_script_test_LDFLAGS): Define.
10217         (relro_script_test_LDADD): Define.
10218         (relro_script_test.so): New target.
10219         * testsuite/Makefile.in: Rebuild.
10220
10221 2008-08-06  Cary Coutant <ccoutant@google.com>
10222
10223         * archive.cc (Archive::total_archives, Archive::total_members)
10224         (Archive::total_members_loaded): New variables.
10225         (Archive::setup): Add parameter.  Add option to preread
10226         archive symbols.
10227         (Archive::read_armap): Add counter.
10228         (Archive::get_file_and_offset): New function.
10229         (Archive::get_elf_object_for_member): New function.
10230         (Archive::read_all_symbols): New function.
10231         (Archive::read_symbols): New function.
10232         (Archive::add_symbols): Add counters.
10233         (Archive::include_all_members): Use armap to find members if it's
10234         already built.
10235         (Archive::include_member): Skip reading symbols if already read.
10236         Factored code into Archive::get_file_and_offset and
10237         Archive::get_elf_object_for_member.  Changed call to
10238         Mapfile::report_include_archive_member.
10239         (Archive::print_stats): New function.
10240         * archive.h: Declare Object and Read_symbols_data classes.
10241         (Archive::Archive): Add initializers for new members.
10242         (Archive::setup): Add parameter.
10243         (Archive::print_stats): New function.
10244         (Archive::total_archives, Archive::total_members)
10245         (Archive::total_members_loaded): New variables.
10246         (Archive::get_file_and_offset): New function.
10247         (Archive::get_elf_object_for_member): New function.
10248         (Archive::read_all_symbols): New function.
10249         (Archive::read_symbols): New function.
10250         (Archive::Archive_member): New class.
10251         (Archive::members_): New member.
10252         (Archive::num_members_): New member.
10253         * main.cc: Include archive.h.
10254         (main): Call Archive::print_stats.
10255         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10256         archive parameter; member_name is now the fully-decorated name.
10257         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10258         * options.h: (General_options): Add --preread-archive-symbols option.
10259         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10260         Archive::setup.
10261
10262 2008-08-04  Ian Lance Taylor  <iant@google.com>
10263
10264         * symtab.h (Symbol::use_plt_offset): New function.
10265         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10266         * powerpc.cc (Relocate::relocate): Likewise.
10267         * sparc.cc (Relocate::relocate): Likewise.
10268         * x86_64.cc (Relocate::relocate): Likewise.
10269         * testsuite/weak_plt.sh: New test.
10270         * testsuite/weak_plt_main.cc: New test.
10271         * testsuite/weak_plt_shared.cc: New test.
10272         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10273         (check_PROGRAMS): Add weak_plt.
10274         (check_DATA): Add weak_plt_shared.so.
10275         (weak_plt_main_pic.o, weak_plt): New targets.
10276         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10277         * testsuite/Makefile.in: Rebuild.
10278
10279         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10280         gcctestdir/ld.
10281         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10282         * testsuite/Makefile.in: Rebuild.
10283
10284 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10285
10286         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10287         * Makefile.in: Regenerate.
10288         * po/POTFILES.in: Regenerate.
10289
10290 2008-07-29  Ian Lance Taylor  <iant@google.com>
10291
10292         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10293         symbols before other symbols.
10294         * testsuite/script_test_2.cc (test_addr): Declare.
10295         (test_addr_alias): Declare.
10296         (main): Check that test_addr and test_addr_alias have the right
10297         values.
10298         * testsuite/script_test_2.t: Define test_addr_alias and
10299         test_addr.
10300
10301 2008-07-24  Ian Lance Taylor  <iant@google.com>
10302
10303         PR 5990
10304         * descriptors.cc: New file.
10305         * descriptors.h: New file.
10306         * gold-threads.h (class Hold_optional_lock): New class.
10307         * fileread.cc: Include "descriptors.h".
10308         (File_read::~File_read): Release descriptor rather than closing
10309         it.
10310         (File_read::open) [file]: Call open_descriptor rather than open.
10311         Set is_descriptor_opened_.
10312         (File_read::open) [memory]: Assert that descriptor is not open.
10313         (File_read::reopen_descriptor): New function.
10314         (File_read::release): Release descriptor.
10315         (File_read::do_read): Make non-const.  Reopen descriptor.
10316         (File_read::read): Make non-const.
10317         (File_read::make_view): Reopen descriptor.
10318         (File_read::do_readv): Likewise.
10319         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10320         Update declarations.
10321         * layout.cc: Include "descriptors.h".
10322         (Layout::create_build_id): Use open_descriptor rather than open.
10323         * output.cc: Include "descriptors.h".
10324         (Output_file::open): Use open_descriptor rather than open.
10325         * archive.cc (Archive::const_iterator): Change Archive to be
10326         non-const.
10327         (Archive::begin, Archive::end): Make non-const.
10328         (Archive::count_members): Likewise.
10329         * archive.h (class Archive): Update declarations.
10330         * object.h (Object::read): Make non-const.
10331         * Makefile.am (CCFILES): Add descriptors.cc.
10332         (HFILES): Add descriptors.h.
10333         * Makefile.in: Rebuild.
10334
10335         PR 6716
10336         * gold.h: Always include <clocale>.  Add Solaris workarounds
10337         following code in binutils/sysdep.h.
10338
10339         PR 6048
10340         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10341         this->eh_frame_hdr_ is NULL before using it.
10342
10343         * dynobj.cc (Versions::Versions): Update comment.
10344
10345         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10346         the base version name.
10347
10348         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10349         array size plus one.
10350         (Stringpool_template::set_string_offsets): Subtract one from key
10351         before using it as an array index.
10352         (Stringpool_template::get_offset_with_length): Likewise.
10353         (Stringpool_template::write_to_buffer): Likewise.
10354         * stringpool.h (Stringpool_template::get_offset_from_key):
10355         Likewise.
10356
10357 2008-07-23  Ian Lance Taylor  <iant@google.com>
10358
10359         PR 6658
10360         * object.h (Merged_symbol_value::value): Do our best to handle a
10361         negative addend.
10362
10363         PR 6647
10364         * script.cc (Version_script_info::get_versions): Don't add empty
10365         version tag to return value.
10366         (Version_script_info::get_symbol_version_helper): Change return
10367         type to bool.  Add pversion parameter.  Change all callers.
10368         (script_register_vers_node): Don't require a non-NULL tag.
10369         * script.h (class Version_script_info): Update declarations.
10370         (Version_script_info::get_symbol_version): Change return type to
10371         bool.  Add version parameter.  Change all callers.
10372         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10373         handling.  Handle an empty version from a version script.
10374         (Symbol_table::define_special_symbol): Likewise.
10375         * testsuite/ver_test_10.script: New file.
10376         * testsuite/ver_test_10.sh: New file.
10377         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10378         (check_DATA): Add ver_test_10.syms.
10379         (ver_test_10.syms, ver_test_10.so): New target.
10380         * testsuite/Makefile.in: Rebuild.
10381
10382 2008-07-23  Simon Baldwin  <simonb@google.com>
10383
10384         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10385         to zero for undefined symbols from dynamic libraries.
10386
10387 2008-07-23  Ian Lance Taylor  <iant@google.com>
10388
10389         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10390         Change all callers.
10391         * symtab.h (class Symbol_table): Update declaration.
10392         * testsuite/ver_test_9.cc: New file.
10393         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10394         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10395         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10396         (ver_test_9.so, ver_test_9.o): New targets.
10397         * testsuite/Makefile.in: Rebuild.
10398
10399 2008-07-22  Ian Lance Taylor  <iant@google.com>
10400
10401         * options.h (class General_options): Define --check-sections.
10402         * layout.cc (Layout::set_segment_offsets): Handle
10403         --check-sections.
10404
10405         * options.h (class General_options): Define -n/--nmagic and
10406         -N/--omagic.
10407         * options.cc (General_options::finalize): For -n/--nmagic or
10408         -N/--omagic, set -static.
10409         * layout.cc (Layout::attach_allocated_section_to_segment): If
10410         -N/--omagic, don't put read-only and read-write sections in
10411         different segments.
10412         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10413         finding a read-only segment.
10414         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10415         don't set the minimum segment alignment to the common page size,
10416         and don't set the file offset to the address modulo the page size.
10417         * script-sections.cc (Script_sections::create_segments): If
10418         -n/--omagic, don't put read-only and read-write sections in
10419         different segments.
10420
10421         * cref.cc: New file.
10422         * cref.h: New file.
10423         * options.h (class General_options): Add --print-symbol-counts.
10424         * main.cc (main): Issue defined symbol report if requested.
10425         * archive.cc (Archive::interpret_header): Make into a const member
10426         function.
10427         (Archive::add_symbols): Call Input_objects::archive_start and
10428         archive_stop.
10429         (Archive::const_iterator): Define new class.
10430         (Archive::begin, Archive::end): New functions.
10431         (Archive::include_all_members): Rewrite to use iterator.
10432         (Archive::count_members): New function.
10433         * archive.h (class Archive): Update declarations.
10434         (Archive::filename): New function.
10435         * object.cc: Include "cref.h".
10436         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10437         (Sized_relobj::do_get_global_symbol_counts): New function.
10438         (Input_objects::add_object): Add object to cross-referencer.
10439         (Input_objects::archive_start): New function.
10440         (Input_objects::archive_stop): New function.
10441         (Input_objects::print_symbol_counts): New function.
10442         * object.h: Declare Cref and Archive.
10443         (Object::get_global_symbol_counts): New function.
10444         (Object::do_get_global_symbol_counts): New pure virtual function.
10445         (class Sized_relobj): Add defined_count_ field.  Update
10446         declarations.
10447         (class Input_objects): Add cref_ field.  Update constructor.
10448         Update declarations.
10449         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10450         defined_count_.
10451         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10452         symbol counts.
10453         (Sized_dynobj::do_get_global_symbol_counts): New function.
10454         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10455         defined_count_.  Update declarations.  Define Symbols typedef.
10456         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10457         parameter.  Change all callers.
10458         (Symbol_table::add_from_dynobj): Add sympointers and defined
10459         parameters.  Change all callers.
10460         * symtab.h (class Symbol_table): Update declarations.
10461         * Makefile.am (CCFILES): Add cref.cc.
10462         (HFILES): Add cref.h.
10463         * Makefile.in: Rebuild.
10464
10465 2008-07-22  Simon Baldwin  <simonb@google.com>
10466
10467         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10468         to zero when writing undefined symbols.
10469
10470 2008-07-22  Ian Lance Taylor  <iant@google.com>
10471
10472         * output.cc (Output_section::add_input_section): Don't try to
10473         merge empty merge sections.
10474
10475 2008-07-21  Craig Silverstein  <csilvers@google.com>
10476
10477         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10478         Include symbol version in error message.
10479
10480 2008-07-20  Chris Demetriou  <cgd@google.com>
10481
10482         * configure.ac (gold_cv_c_random_seed): New configured variable.
10483         (RANDOM_SEED_CFLAGS): New substituted variable.
10484         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10485         * configure: Rebuild.
10486         * Makefile.in: Likewise.
10487         * testsuite/Makefile.in: Likewise.
10488
10489 2008-07-18  Ian Lance Taylor  <iant@google.com>
10490
10491         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10492         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10493         * testsuite/ver_test_main.cc (main): Call t4.
10494         (t4, t4_2a): Define.
10495         * testsuite/ver_test_2.cc (t4_2): Define.
10496         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10497         * testsuite/ver_test_4.cc (t4_2a): Define.
10498         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10499         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10500
10501 2008-07-17  Ian Lance Taylor  <iant@google.com>
10502
10503         * dynobj.cc (Versions::add_def): If we give an error about a
10504         missing version, go ahead and create the version anyhow.
10505
10506 2008-07-10  Ian Lance Taylor  <iant@google.com>
10507
10508         Handle output sections with more than 0x7fffffff bytes.
10509         * object.h (class Relobj): Change map_to_output_ to
10510         output_sections_, and just keep a section pointer.  Change all
10511         uses.  Move comdat group support to Sized_relobj.
10512         (Relobj::is_section_specially_mapped): Remove.
10513         (Relobj::output_section): Remove poff parameter.  Change all
10514         callers.
10515         (Relobj::output_section_offset): New function.
10516         (Relobj::set_section_offset): Rewrite.
10517         (Relobj::map_to_output): Remove.
10518         (Relobj::output_sections): New function.
10519         (Relobj::do_output_section_offset): New pure virtual function.
10520         (Relobj::do_set_section_offset): Likewise.
10521         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10522         group support from Relobj.  Update declarations.
10523         (Sized_relobj::get_output_section_offset): New function.
10524         (Sized_relobj::do_output_section_offset): New function.
10525         (Sized_relobj::do_set_section_offset): New function.
10526         * object.cc (Relobj::output_section_address): Remove.
10527         (Sized_relobj::Sized_relobj): Initialize new fields.
10528         (Sized_relobj::include_section_group): Cast find_kept_object to
10529         Sized_relobj.
10530         (Sized_relobj::include_linkonce_section): Likewise.
10531         (Sized_relobj::do_layout): Use separate arrays for output section
10532         and output offset.
10533         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10534         output_sections.
10535         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10536         output_sections and section_offsets.
10537         (Sized_relobj::write_local_symbols): Likewise.
10538         (map_to_kept_section): Compute output address directly.
10539         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10540         output_sections and section_offsets.
10541         (Sized_relobj::write_sections): Likewise.
10542         (Sized_relobj::relocate_sections): Likewise.
10543         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10544         * output.h (class Output_reloc): Update declarations.  Change
10545         u2_.relobj to Sized_relobj*.
10546         (class Output_data_reloc): Change add functions to use
10547         Sized_relobj*.
10548         * output.cc (Output_reloc::Output_reloc): Change relobj to
10549         Sized_relobj*.
10550         (Output_reloc::local_section_offset): Change return type to
10551         Elf_Addr.  Use get_output_section_offset.
10552         (Output_reloc::get_address): Likewise.
10553         (Output_section::is_input_address_mapped): Don't call
10554         is_section_specially_mapped.
10555         (Output_section::output_offset): Likewise.
10556         (Output_section::output_address): Likewise.
10557         (Output_section::starting_output_address): Likewise.
10558         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10559         parameter to Sized_relobj*.
10560         (Copy_relocs::need_copy_reloc): Likewise.
10561         (Copy_relocs::save): Likewise.
10562         * copy-relocs.h (class Copy_relocs): Update declarations.
10563         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10564         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10565         * target-reloc.h (relocate_for_relocatable): Change
10566         offset_in_output_section type to Elf_Addr.  Change code that uses
10567         it as well.
10568         * layout.cc (Layout::layout): Always set *off.
10569         * mapfile.cc (Mapfile::print_input_section): Use
10570         output_section_offset.
10571         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10572         Sized_relobj*.
10573         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10574         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10575         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10576
10577 2008-07-03  Ian Lance Taylor  <iant@google.com>
10578
10579         * layout.cc (Layout::include_section): Do not discard unrecognized
10580         SHT_STRTAB sections.
10581
10582 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10583
10584         * script.cc (Lex::can_continue_name): Make '?' allowable in
10585         version-script names.
10586         * testsuite/version_script.map: Change glob pattern to use '?'
10587
10588 2008-06-30  Manish Singh  <yosh@gimp.org>
10589
10590         PR 6585
10591         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10592         Correct typo.
10593
10594 2008-06-30  Ian Lance Taylor  <iant@google.com>
10595
10596         PR 6660
10597         PR 6682
10598         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10599         versions]: Don't try to read the value in the contents, since we
10600         don't use it.  Use the template endianness when writing.
10601
10602 2008-06-25  Cary Coutant  <ccoutant@google.com>
10603
10604         * fileread.cc (File_read::make_view): Assert on zero-length view.
10605         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10606         symbol table when there are no symbols to read.
10607
10608 2008-06-23  Craig Silverstein  <csilvers@google.com>
10609
10610         * version.cc (version_string): Bump to 1.7
10611
10612 2008-06-18  Craig Silverstein  <csilvers@google.com>
10613
10614         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10615         constant 0xFFFF to type Valtype.
10616         (Powerpc_relocate_functions::rel16_ha): Likewise.
10617
10618 2008-06-17  Ian Lance Taylor  <iant@google.com>
10619
10620         * output.h (Output_section::Input_section): Initialize p2align_ to
10621         zero for Output_section_data constructors.
10622         (Output_section::Input_section::addralign): If not an input
10623         section, return the alignment of the Output_section_data.
10624         * testsuite/copy_test.cc: New file.
10625         * testsuite/copy_test_1.cc: New file.
10626         * testsuite/copy_test_2.cc: New file.
10627         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10628         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10629         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10630         (copy_test_1_pic.o, copy_test_1.so): New targets.
10631         (copy_test_2_pic.o, copy_test_2.so): New targets.
10632         * testsuite/Makefile.in: Rebuild.
10633
10634         * script-sections.cc (Script_sections::place_orphan): Initialize
10635         local variable exact.
10636
10637 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10638
10639         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10640
10641 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10642             David S. Miller  <davem@davemloft.net>
10643
10644         * powerpc.cc: New file.
10645         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10646         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10647         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10648         * Makefile.in: Rebuild.
10649
10650 2008-06-09  Ian Lance Taylor  <iant@google.com>
10651
10652         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10653         <exception>.
10654         (throwing, orig_terminate): New static variables.
10655         (terminate_handler): New static function.
10656         (t2): Set terminate handler.
10657
10658 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10659
10660         PR 6584
10661         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10662         alignment.
10663
10664 2008-05-30  Cary Coutant  <ccoutant@google.com>
10665
10666         * archive.cc (Archive::include_all_members) Correct to step
10667         over symbol table and extended name table in thin archives.
10668
10669 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10670
10671         PR 6407
10672         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10673         calculation.
10674
10675 2008-05-28  Caleb Howe  <cshowe@google.com>
10676
10677         * reduced_debug_output.cc: New file.
10678         * reduced_debug_output.h: New file.
10679         * options.h (class General_options): Add --strip-debug-non-line.
10680         * options.cc (General_options::finalize): Add strip_debug_non_line
10681         to the strip heirarchy.
10682         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10683         fields.
10684         * layout.cc: Include "reduced_debug_output.h".
10685         (Layout::Layout): Initialize new fields.
10686         (line_only_debug_sections): New static array.
10687         (is_lines_only_debug_sections): New static inline function.
10688         (Layout::include_section): Handle --strip-debug-non-line.
10689         (Layout::make_output_section): If --strip-debug-non-line, build
10690         new output sections for .debug_abbrev and .debug_info.
10691         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10692         gold.  Warn about possible overflow.
10693         (read_signed_LEB_128): Likewise.
10694         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10695         (read_signed_LEB_128): Declare.
10696         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10697         (HFILES): Add reduced_debug_output.h.
10698         * Makefile.in: Rebuild.
10699
10700 2008-05-21  Ian Lance Taylor  <iant@google.com>
10701
10702         * mapfile.cc: New file.
10703         * mapfile.h: New file.
10704         * options.h (class General_options): Add -M/--print-map and -Map.
10705         * options.cc (General_options::finalize): Make -M equivalent to
10706         -Map -.
10707         * main.cc: Include <cstdio> and "mapfile.h".
10708         (main): Open mapfile if requested.
10709         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10710         constructor.  Change caller.
10711         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10712         (queue_middle_tasks): Likewise.
10713         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10714         declarations.
10715         * archive.cc: Include "mapfile.h".
10716         (Archive::add_symbols): Add mapfile parameter.  Change all
10717         callers.  Pass mapfile, symbol, and reason to include_member.
10718         (Archive::include_all_members): Add mapfile parameter.  Change all
10719         callers.
10720         (Archive::include_member): Add mapfile, sym, and why parameters.
10721         Change all callers.  Report inclusion to map file.
10722         * archive.h: Include "fileread.h".
10723         (class Archive): Update declarations.
10724         (Archive::file): New const method.
10725         (class Add_archive_symbols): Add mapfile_ field.  Update
10726         constructor.  Change all callers.
10727         * readsyms.h (class Read_symbols): Likewise.
10728         (class Finish_group): Likewise.
10729         (class Read_script): Likewise.
10730         * common.cc: Include "mapfile.h".
10731         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10732         all callers.
10733         (Symbol_table::do_allocate_commons): Likewise.
10734         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10735         symbol allocation to mapfile.
10736         * common.h (class Allocate_commons_task): Add mapfile_ field.
10737         Update constructor.  Change all callers.
10738         * symtab.h (class Symbol_table): Update declarations.
10739         * layout.cc: Include "mapfile.h".
10740         (Layout_task_runner::run): Print information to mapfile.
10741         (Layout::create_gold_note): Change Output_data_fixed_space to
10742         Output_data_zero_fill.
10743         (Layout::create_build_id): Likewise.
10744         (Layout::print_to_mapfile): New function.
10745         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10746         constructor.  Change caller.
10747         (class Layout): Declare print_to_mapfile.
10748         * output.cc (Output_section::Input_section::print_to_mapfile): New
10749         function.
10750         (Output_section::add_input_section): If producing a map, always
10751         add to input_sections_ list.
10752         (Output_section::do_print_to_mapfile): New function.
10753         (Output_segment::print_sections_to_mapfile): New function.
10754         (Output_segment::print_section_list_to_mapfile): New function.
10755         * output.h: Include "mapfile.h".
10756         (Output_data::print_to_mapfile): New function.
10757         (Output_data::do_print_to_mapfile): New virtual function.
10758         (Output_segment_headers::do_print_to_mapfile): New function.
10759         (Output_file_header::do_print_to_mapfile): New function.
10760         (Output_data_const::do_print_to_mapfile): New function.
10761         (class Output_data_const_buffer): Add map_name_ field.  Update
10762         constructor.  Change all callers.  Add do_print_to_mapfile
10763         function.
10764         (class Output_data_fixed_space): Likewise.
10765         (class Output_data_space): Likewise.
10766         (class Output_data_zero_fill): New class.
10767         (Output_data_strtab::do_print_to_mapfile): New function.
10768         (Output_data_reloc_base::do_print_to_mapfile): New function.
10769         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10770         (Output_data_group::do_print_to_mapfile): New function.
10771         (Output_data_got::do_print_to_mapfile): New function.
10772         (Output_data_dynamic::do_print_to_mapfile): New function.
10773         (Output_symtab_xindex::do_print_to_mapfile): New function.
10774         (class Output_section): Declare do_print_to_mapflie.  Declare
10775         print_to_mapfile in Input_section.
10776         (class Output_segment): Declare new functions.
10777         * object.h (Sized_relobj::symbol_count): New function.
10778         * script-sections.cc
10779         (Output_section_element_dot_assignment::set_section_addresses):
10780         Change Output_data_fixed_space to Output_data_zero_fill.
10781         (Output_data_expression::do_print_to_mapfile): New function.
10782         * script.cc (read_input_script): Add mapfile parameter.  Change
10783         all callers.
10784         * script.h (read_input_script): Update declaration.
10785         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10786         (Eh_frame::do_print_to_mapfile): New function.
10787         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10788         (Output_merge_string::do_print_to_mapfile): New function.
10789         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10790         function.
10791         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10792         function.
10793         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10794         function.
10795         * Makefile.am (CCFILES): Add mapfile.cc.
10796         (HFILES): Add mapfile.h.
10797         * Makefile.in: Rebuild.
10798
10799 2008-05-19  Ian Lance Taylor  <iant@google.com>
10800
10801         * options.h (class General_options): Add -z relro.
10802         * layout.cc (Layout::Layout): Initialize relro_segment_.
10803         (Layout::add_output_section_data): Return the output section.
10804         (Layout::make_output_section): Rcognize relro sections and mark
10805         them appropriately.
10806         (Layout::attach_allocated_section_to_segment): Put relro sections
10807         in a PT_GNU_RELRO segment.
10808         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10809         section as relro.
10810         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10811         PT_TLS segments.
10812         (Layout::linkonce_mapping): Map d.rel.ro.local to
10813         .data.rel.ro.local.
10814         (Layout::output_section_name): Us .data.rel.ro.local for any
10815         section which begins with that.
10816         * layout.h (class Layout): Update add_output_section_data
10817         declaration.  Add relro_segment_ field.
10818         * output.cc (Output_section::Output_section): Initialize is_relro_
10819         and is_relro_local_ fields.
10820         (Output_segment::add_output_section): Group relro sections.
10821         (Output_segment::is_first_section_relro): New function.
10822         (Output_segment::maximum_alignment): If there is a relro section,
10823         align the segment to the common page size.
10824         (Output_segment::set_section_addresses): Track whether we are
10825         looking at relro sections.  If the last section is a relro
10826         section, align to the common page size.
10827         (Output_segment::set_section_list_addresses): Add in_relro
10828         parameter.  Change all callers.  Align to the page size when
10829         moving from relro to non-relro section.
10830         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10831         segment.
10832         * output.h (class Output_section): Add is_relro_ and
10833         is_relro_local_ fields.
10834         (Output_section::is_relro): New function.
10835         (Output_section::set_is_relro): New function.
10836         (Output_section::is_relro_local): New function.
10837         (Output_section::set_is_relro_local): New function.
10838         (class Output_segment): Update declarations.
10839         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10840         * sparc.cc (Target_sparc::got_section): Likewise.
10841         * x86_64.cc (Target_x86_64::got_section): Likewise.
10842         * testsuite/relro_test_main.cc: New file.
10843         * testsuite/relro_test.cc: New file.
10844         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10845         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10846         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10847         (relro_test.so, relro_test_pic.o): New targets.
10848         * testsuite/Makefile.in: Rebuild.
10849
10850 2008-05-16  Ian Lance Taylor  <iant@google.com>
10851
10852         * output.cc (Output_segment::add_output_section): Remove front
10853         parameter.
10854         * output.h (class Output_segment): Remove
10855         add_initial_output_section and overloaded add_output_section.
10856         Update declaration of remaining add_output_section.
10857         * layout.cc (Layout::create_interp): Call add_output_section
10858         rather than add_initial_output_section.
10859         (Layout::finish_dynamic_section): Likewise.
10860
10861         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10862         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10863         know the dynamic type.
10864         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10865         field.  Initialize it in constructor.
10866         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10867         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10868         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10869         reloc.
10870
10871         * output.cc (Output_reloc::get_address): Change return type to
10872         Elf_Addr.
10873         * output.h (class Output_reloc): Update get_address declaration.
10874         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10875         for section addresses.
10876
10877 2008-05-09  Ian Lance Taylor  <iant@google.com>
10878
10879         PR 6493
10880         * gold.cc (gold_nomem): Use return value of write.
10881
10882 2008-05-08  Ian Lance Taylor  <iant@google.com>
10883
10884         * symtab.c (Symbol::init_base_output_data): Add version
10885         parameter.  Change all callers.
10886         (Symbol::init_base_output_segment): Likewise.
10887         (Symbol::init_base_constant): Likewise.
10888         (Symbol::init_base_undefined): Likewise.
10889         (Sized_symbol::init_output_data): Likewise.
10890         (Sized_symbol::init_output_segment): Likewise.
10891         (Sized_symbol::init_constant): Likewise.
10892         (Sized_symbol::init_undefined): Likewise.
10893         (Symbol_table::do_define_in_output_data): If the new symbol has a
10894         version, mark it as the default.
10895         (Symbol_table::do_define_in_output_segment): Likewise.
10896         (Symbol_table::do_define_as_constant): Likewise.
10897         * symtab.h (class Symbol): Update declarations.
10898         (class Sized_symbol): Likewise.
10899         * resolve.cc (Symbol::override_version): New function.
10900         (Symbol::override_base): Call override_version.
10901         (Symbol::override_base_with_special): Likewise.
10902         * testsuite/ver_script_8.script: New file.
10903         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10904         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10905         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10906         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10907
10908 2008-05-06  Ian Lance Taylor  <iant@google.com>
10909
10910         PR 6049
10911         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10912         functions.
10913         (class General_options): Remove existing --undefined, and add
10914         --no-undefined instead.  Add new --undefined as synonym for -u.
10915         * archive.cc (Archive::add_symbols): Check whether symbol was
10916         named with -u.
10917         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10918         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10919         all uses.  Add IS_UNDEFINED.  Update declarations to split
10920         different versions of init_base.  Declare init_base_undefined.
10921         (Symbol::is_defined): Handle IS_UNDEFINED.
10922         (Symbol::is_undefined): Likewise.
10923         (Symbol::is_weak_undefined): Call is_undefined.
10924         (Symbol::is_absolute): Handle IS_CONSTANT.
10925         (class Sized_symbol): Update declarations to split different
10926         versions of init.  Declare init_undefined.
10927         (class Symbol_table): Declare new functions.
10928         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10929         Change all callers.
10930         (Symbol::init_base_output_data): Likewise.
10931         (Symbol::init_base_output_segment): Likewise.
10932         (Symbol::init_base_constant): Likewise.
10933         (Symbol::init_base_undefined): New function.
10934         (Sized_symbol::init_object): Rename from init.  Change all
10935         callers.
10936         (Sized_symbol::init_output_data): Likewise.
10937         (Sized_symbol::init_output_segment): Likewise.
10938         (Sized_symbol::init_constant): Likewise.
10939         (Sized_symbol::init_undefined): New function.
10940         (Symbol_table::add_undefined_symbols_from_command_line): New
10941         function.
10942         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10943         function.
10944         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10945         (Symbol::output_section): Likewise.
10946         (Symbol::set_output_section): Likewise.
10947         (Symbol_table::sized_finalize_symbol): Likewise.
10948         (Symbol_table::sized_write_globals): Likewise.
10949         * resolve.cc (Symbol_table::should_override): Likewise.
10950         (Symbol::override_base_with_special): Likewise.
10951
10952         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10953         symbol, change it to have default visibility.
10954         * testsuite/protected_1.cc: New file.
10955         * testsuite/protected_2.cc: New file.
10956         * testsuite/protected_3.cc: New file.
10957         * testsuite/protected_main_1.cc: New file.
10958         * testsuite/protected_main_2.cc: New file.
10959         * testsuite/protected_main_3.cc: New file.
10960         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10961         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10962         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10963         (protected_1.so): New target.
10964         (protected_1_pic.o, protected_2_pic.o): New targets.
10965         (protected_3_pic.o): New target.
10966         (check_PROGRAMS): Add protected_2.
10967         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10968         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10969         * testsuite/Makefile.in: Rebuild.
10970
10971         * options.h (DEFINE_var): Add set_user_set_##varname__.
10972         (DEFINE_bool_alias): New macro.
10973         (class General_options): Define -Bstatic using DEFINE_bool_alias
10974         rather than DEFINE_special.  Add --undefined as an alias for -z
10975         defs.
10976         * options.cc (General_options::parse_Bstatic): Remove.
10977
10978         * options.h (class General_options): Add --fatal-warnings.
10979         * main.cc (main): Implement --fatal-warnings.
10980         * errors.h (Errors::warning_count): New function.
10981
10982         * options.h (class General_options): Add -Bsymbolic-functions.
10983         * symtab.h (Symbol::is_preemptible): Check for
10984         -Bsymbolic-functions.
10985
10986 2008-05-05  Ian Lance Taylor  <iant@google.com>
10987
10988         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10989         as noVARNAME rather than no-VARNAME.
10990         (class General_options): Add option -z combreloc.
10991         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10992         get_address.
10993         (Output_reloc::sort_before) [SHT_REL]: New function.
10994         (Output_reloc::sort_before) [SHT_RELA]: New function.
10995         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10996         Sort_relocs_comparison.
10997         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10998         parameter.  Change all callers.
10999         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11000         sort_relocs parameter.  Change all callers.
11001         * output.cc (Output_reloc::get_address): New function, broken out
11002         of write_rel.
11003         (Output_reloc::write_rel): Call it.
11004         (Output_reloc::compare): New function.
11005         (Output_data_reloc_base::do_write): Optionally sort relocs.
11006
11007         * configure.ac: If targ_extra_obj is set, link it in.
11008         * configure.tgt: Initialize all variables.
11009         (x86_64*): Set targ_extra_obj and targ_extra_size.
11010         * configure: Rebuild.
11011
11012         * object.cc (Sized_relobj::include_section_group): Adjust section
11013         indexes read from group data.  Build vector to pass to
11014         layout_group.
11015         * layout.cc (Layout::layout_group): Add flags and shndxes
11016         parameters.  Remove contents parameter.  Change caller.  Update
11017         explicit instantiations.
11018         * layout.h (class Layout): Update layout_group declaration.
11019         * output.cc (Output_data_group::Output_data_group): Add flags and
11020         input_shndxes parameters.  Remove contents parameter.  Change
11021         caller.
11022         (Output_data_group::do_write): Change input_sections_ to
11023         input_shndxes_.
11024         * output.h (class Output_data_group): Update constructor
11025         declaration.  Rename input_sections_ to input_shndxes_.
11026         * testsuite/many_sections_test.cc: Add template.
11027
11028 2008-04-30  Cary Coutant  <ccoutant@google.com>
11029
11030         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11031
11032         * layout.cc (Layout::include_section): Refactored check for debug
11033         info section.
11034         (Layout::add_comdat): Add new parameters.  Change type
11035         of signature parameter.  Add object and shndx to signatures table.
11036         (Layout::find_kept_object): New function.
11037         * layout.h: Include <cstring>.
11038         (Layout::is_debug_info_section): New function.
11039         (Layout::add_comdat): Add new parameters.
11040         (Layout::find_kept_object): New function.
11041         (Layout::Kept_section): New struct.
11042         (Layout::Signatures): Change type of map range.
11043         * object.cc (Relobj::output_section_address): New function.
11044         (Sized_relobj::include_section_group): Add new parameters.  Change
11045         calls to Layout::add_comdat.  Change to build table of kept comdat
11046         groups and table mapping discarded sections to kept sections.
11047         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11048         (Sized_relobj::do_layout): Change calls to include_section_group and
11049         include_linkonce_section.
11050         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11051         value to zero when section is discarded.
11052         (Sized_relobj::map_to_kept_section): New function.
11053         * object.h (Relobj::output_section_address): New function.
11054         (Relobj::Comdat_group): New type.
11055         (Relobj::find_comdat_group): New function.
11056         (Relobj::Comdat_group_table): New type.
11057         (Relobj::Kept_comdat_section): New type.
11058         (Relobj::Kept_comdat_section_table): New type.
11059         (Relobj::add_comdat_group): New function.
11060         (Relobj::set_kept_comdat_section): New function.
11061         (Relobj::get_kept_comdat_section): New function.
11062         (Relobj::comdat_groups_): New field.
11063         (Relobj::kept_comdat_sections_): New field.
11064         (Symbol_value::input_value): Update comment.
11065         (Sized_relobj::map_to_kept_section) New function.
11066         (Sized_relobj::include_linkonce_section): Add new parameter.
11067         * target-reloc.h (Comdat_behavior): New type.
11068         (get_comdat_behavior): New function.
11069         (relocate_section): Add code to map a discarded section to the
11070         corresponding kept section when applying a relocation.
11071
11072 2008-04-30  Craig Silverstein  <csilvers@google.com>
11073
11074         * dwarf_reader.cc (next_generation_count): New static var.
11075         (Addr2line_cache_entry): New struct.
11076         (addr2line_cache): New static var.
11077         (Dwarf_line_info::one_addr2line): Added caching.
11078         (Dwarf_line_info::clear_addr2line_cache): New function.
11079         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11080         cache-size parameter.
11081         (Dwarf_line_info::one_addr2line_cache): New function.
11082         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11083         new cache-size argument to one_addr2line(), and clear cache.
11084
11085 2008-04-28  Cary Coutant  <ccoutant@google.com>
11086
11087         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11088         R_386_PC8 relocations.
11089
11090 2008-04-23  Ian Lance Taylor  <iant@google.com>
11091
11092         * object.cc (Sized_relobj::include_section_group): Check for
11093         invalid section group.
11094
11095         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11096         header size.
11097
11098         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11099         than read for file header.
11100         * archive.cc (Archive::include_member): Likewise.
11101
11102 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11103
11104         * aclocal.m4: Regenerate.
11105         * configure: Regenerate.
11106
11107 2008-04-19  Ian Lance Taylor  <iant@google.com>
11108
11109         * version.cc (version_string): Bump to 1.6.
11110
11111         * testsuite/Makefile.am (many_sections_r_test): New target.
11112         (many_sections_r_test_SOURCES): Remove.
11113         (many_sections_r_test_DEPENDENCIES): Remove.
11114         (many_sections_r_test_LDFLAGS): Remove.
11115         (many_sections_r_test_LDADD): Remove.
11116
11117         * object.cc (Sized_relobj::do_add_symbols): Always pass
11118         local_symbol_count_ to add_from_relobj.
11119
11120         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11121         every thousand variables.
11122         * testsuite/Makefile.in: Rebuild.
11123
11124         * object.cc (Xindex::initialize_symtab_xindex): New function.
11125         (Xindex::read_symtab_xindex): New function.
11126         (Xindex::sym_xindex_to_shndx): New function.
11127         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11128         available.
11129         (Sized_relobj::do_initialize_xindex): New function.
11130         (Sized_relobj::do_read_symbols): Adjust section links.
11131         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11132         parameter.  Change all callers.
11133         (Sized_relobj::include_section_group): Adjust section links and
11134         symbol section indexes.
11135         (Sized_relobj::do_layout): Adjust section links.
11136         (Sized_relobj::do_count_local_symbols): Adjust section links and
11137         symbol section indexes.
11138         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11139         ordinary and special symbols.
11140         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11141         dynsym_xindex parameters.  Change all callers.  Adjust section
11142         links.  Use SHN_XINDEX when needed.
11143         (Sized_relobj::get_symbol_location_info): Adjust section links.
11144         Don't get fooled by special symbols.
11145         * object.h (class Xindex): Define.
11146         (class Object): Add xindex_ parameter.  Declare virtual functoin
11147         do_initialize_xindex.
11148         (Object::adjust_sym_shndx): New function.
11149         (Object::set_xindex): New protected function.
11150         (class Symbol_value): Add is_ordinary_shndx_ field.
11151         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11152         (Symbol_value::value): Assert ordinary section.
11153         (Symbol_value::initialize_input_to_output_map): Likewise.
11154         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11155         Change all callers.
11156         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11157         all callers.
11158         (class Sized_relobj): Update declarations.
11159         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11160         parameter.  Change all callers.
11161         (Sized_relobj::adjust_shndx): New function.
11162         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11163         field.
11164         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11165         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11166         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11167         (Sized_dynobj::read_dynsym_section): Adjust section links.
11168         (Sized_dynobj::read_dynamic): Likewise.
11169         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11170         section links.
11171         (Sized_dynobj::do_initialize_xindex): New function.
11172         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11173         do_initialize_xindex.
11174         (Sized_dynobj::adjust_shndx): New function.
11175         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11176         dynsym_xindex_ fields.
11177         (Layout::finalize): Add a call to set_section_indexes before
11178         creating the symtab sections.
11179         (Layout::set_section_indexes): Don't do anything if the section
11180         already has a section index.
11181         (Layout::create_symtab_sections): Add shnum parameter.  Change
11182         caller.  Create .symtab_shndx section if needed.
11183         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11184         caller.
11185         (Layout::allocated_output_section_count): New function.
11186         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11187         needed.
11188         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11189         fields.  Update declarations.
11190         (Layout::symtab_xindex): New function.
11191         (Layout::dynsym_xindex): New function.
11192         (class Write_symbols_task): Add layout_ field.
11193         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11194         Change caller.
11195         * output.cc (Output_section_headers::Output_section_headers): Add
11196         shstrtab_section parameter.  Change all callers.
11197         (Output_section_headers::do_sized_write): Store overflow values
11198         for section count and section string table section index in
11199         section header zero.
11200         (Output_file_header::do_sized_write): Check for overflow of
11201         section count and section string table section index.
11202         (Output_symtab_xindex::do_write): New function.
11203         (Output_symtab_xindex::endian_do_write): New function.
11204         * output.h (class Output_section_headers): Add shstrtab_section_.
11205         Update declarations.
11206         (class Output_symtab_xindex): Define.
11207         (Output_section::has_out_shndx): New function.
11208         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11209         field.
11210         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11211         Change all callers.
11212         (Sized_symbol::init): Likewise.
11213         (Symbol::output_section): Check for ordinary symbol.
11214         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11215         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11216         callers.
11217         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11218         Change all callers.  Simplify handling of symbols from sections
11219         not included in the link.
11220         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11221         distinction.
11222         (Weak_alias_sorter::operator()): Assert that symbols are
11223         ordinary.
11224         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11225         distinction.
11226         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11227         parameters.  Change all callers.
11228         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11229         symbol distinction.  Use SHN_XINDEX when needed.
11230         (Symbol_table::write_section_symbol): Add symtab_xindex
11231         parameter.  Change all callers.
11232         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11233         SHN_XINDEX when needed.
11234         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11235         declarations.
11236         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11237         (Symbol::is_defined): Check is_ordinary.
11238         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11239         (Symbol::is_absolute, Symbol::is_common): Likewise.
11240         (class Sized_symbol): Update declarations.
11241         (class Symbol_table): Update declarations.
11242         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11243         parameters.  Change all callers.
11244         (Sized_symbol::override): Likewise.
11245         (Symbol_table::override): Likewise.
11246         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11247         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11248         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11249         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11250         to be in an ordinary section.
11251         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11252         object and is_ordinary parameters.  Change all callers.
11253         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11254         Change all callers.  Don't add undefined or non-ordinary symbols
11255         to reloc_map_.
11256         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11257         Change all callers.
11258         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11259         declarations.
11260         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11261         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11262         (Sized_relobj::relocate_sections): Likewise.
11263         * target-reloc.h (scan_relocs): Adjust section symbol index.
11264         (scan_relocatable_relocs): Likewise.
11265         * i386.cc (Scan::local): Check for ordinary symbols.
11266         * sparc.cc (Scan::local): Likewise.
11267         * x86_64.cc (Scan::local): Likewise.
11268         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11269         to symbol_section_and_value.
11270         * testsuite/many_sections_test.cc: New file.
11271         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11272         (check_PROGRAMS): Add many_sections_test.
11273         (many_sections_test_SOURCES): Define.
11274         (many_sections_test_DEPENDENCIES): Define.
11275         (many_sections_test_LDFLAGS): Define.
11276         (BUILT_SOURCES): Add many_sections_define.h.
11277         (many_sections_define.h): New target.
11278         (BUILT_SOURCES): Add many_sections_check.h.
11279         (many_sections_check.h): New target.
11280         (check_PROGRAMS): Add many_sections_r_test.
11281         (many_sections_r_test_SOURCES): Define.
11282         (many_sections_r_test_DEPENDENCIES): Define.
11283         (many_sections_r_test_LDFLAGS): Define.
11284         (many_sections_r_test_LDADD): Define.
11285         (many_sections_r_test.o): New target.
11286         * testsuite/Makefile.in: Rebuild.
11287
11288 2008-04-17  Cary Coutant  <ccoutant@google.com>
11289
11290         * errors.cc (Errors::info): New function.
11291         (gold_info): New function.
11292         * errors.h (Errors::info): New function.
11293         * gold.h (gold_info): New function.
11294         * object.cc (Input_objects::add_object): Print trace output.
11295         * options.cc (options::parse_set): New function.
11296         (General_options::parse_wrap): Deleted.
11297         (General_options::General_options): Deleted initializer.
11298         * options.h (options::String_set): New typedef.
11299         (options::parse_set): New function.
11300         (DEFINE_set): New macro.
11301         (General_options::wrap): Changed to use DEFINE_set. Changed
11302         callers of any_wrap_symbols and is_wrap_symbol.
11303         (General_options::trace, General_options::trace_symbol):
11304         New options.
11305         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11306         (General_options::wrap_symbols_): Deleted.
11307         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11308
11309 2008-04-17  David S. Miller  <davem@davemloft.net>
11310
11311         * options.cc (General_options::parse_V): New function.
11312         * options.h: Add entries for -V and -Qy.
11313
11314 2008-04-17  Ian Lance Taylor  <iant@google.com>
11315
11316         * common.cc (Symbol_table::allocate_commons): Remove options
11317         parameter.  Change caller.
11318         (Symbol_table::do_allocate_commons): Remove options parameter.
11319         Change caller.  Just call do_allocate_commons_list twice.
11320         (Symbol_table::do_allocate_commons_list): New function, broken out
11321         of do_allocate_commons.
11322         * common.h (class Allocate_commons_task): Remove options_ field.
11323         Update constructor.
11324         * symtab.cc (Symbol_table::Symbol_table): Initialize
11325         tls_commons_.
11326         (Symbol_table::add_from_object): Put TLS common symbols on
11327         tls_commons_ list.
11328         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11329         which are IN_OUTPUT_DATA.
11330         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11331         allocate_commons and do_allocate_commons declarations.  Declare
11332         do_allocate_commons_list.
11333         * gold.cc (queue_middle_tasks): Update creation of
11334         Allocate_commons_task to not pass options.
11335         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11336         (TLS_TEST_C_FLAGS): New variable.
11337         (tls_test_c_pic.o): New target.
11338         (tls_test_shared.so): Link in tls_test_c_pic.o.
11339         (tls_test_c_pic_ie.o): New target.
11340         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11341         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11342         (tls_test_c.o): New target.
11343         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11344         (tls_pic_test_LDADD): Likewise.
11345         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11346         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11347         (tls_test_c_gnu2.o): New target.
11348         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11349         tls_test_c_gnu2.o.
11350         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11351         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11352         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11353         * testsuite/tls_test.cc: Include "config.h".
11354         (t_last): Call t11_last.
11355         * testsuite/tls_test.h (t11, t11_last): Declare.
11356         * testsuite/tls_test_c.c: New file.
11357         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11358         * configure.ac: Check for OpenMP support.
11359         * configure, config.in, Makefile.in: Rebuild.
11360         * testsuite/Makefile.in: Rebuild.
11361
11362 2008-04-16  Cary Coutant  <ccoutant@google.com>
11363
11364         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11365         (Target_i386::tls_base_symbol_defined_): New field.
11366         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11367         (Target_i386::Scan::global): Likewise.
11368         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11369         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11370         (Target_x86_64::tls_base_symbol_defined_): New field.
11371         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11372         (Target_x86_64::Scan::global): Likewise.
11373
11374 2008-04-16  Cary Coutant  <ccoutant@google.com>
11375
11376         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11377         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11378         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11379         building shared libraries.
11380         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11381         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11382         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11383         * testsuite/Makefile.in: Rebuild.
11384         * testsuite/weak_undef.h: New file.
11385         * testsuite/weak_undef_file1.cc: Add extra test cases.
11386         * testsuite/weak_undef_file2.cc: Likewise.
11387         * testsuite/weak_undef_test.cc: Likewise.
11388
11389 2008-04-16  David S. Miller  <davem@davemloft.net>
11390
11391         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11392         Add issued_non_pic_error_ field.  Declare check_non_pic.
11393         (Target_sparc::Scan::check_non_pic): New function.
11394         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11395         (Target_sparc::Scan::global): Likewise.
11396
11397         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11398         * configure: Rebuild.
11399
11400         * options.h (DEFINE_enable): New macro.
11401         (new_dtags): New enable option.
11402         (initfirst, interpose, loadfltr, nodefaultlib,
11403         nodelete, nodlopen, nodump): New -z options.
11404         * layout.cc (Layout:finish_dynamic_section): If new
11405         dtags enabled, emit DT_RUNPATH.  Also, emit a
11406         DT_FLAGS_1 containing any specified -z flags.
11407
11408 2008-04-16  Ian Lance Taylor  <iant@google.com>
11409
11410         * copy-relocs.cc: New file.
11411         * copy-relocs.h: New file.
11412         * reloc.cc: Remove Copy_relocs code.
11413         * reloc.h: Likewise.
11414         * reloc-types.h (struct Reloc_types) [both versions]: Add
11415         get_reloc_addend_noerror.
11416         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11417         variants of add_global which take an addend which must be zero.
11418         * i386.cc: Include "copy-relocs.h".
11419         (class Target_i386): Change type of copy_relocs_ to variable,
11420         update initializer.
11421         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11422         Change all callers.
11423         (Target_i386::do_finalize_sections): Change handling of
11424         copy_relocs_.
11425         * sparc.cc: Include "copy-relocs.h".
11426         (class Target_sparc): Change type of copy_relocs_ to variable,
11427         update initializer.
11428         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11429         Change all callers.
11430         (Target_sparc::do_finalize_sections): Change handling of
11431         copy_relocs_.
11432         * x86_64.cc: Include "copy-relocs.h".
11433         (class Target_x86_64): Change type of copy_relocs_ to variable,
11434         update initializer.
11435         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11436         class.  Change all callers.
11437         (Target_x86_64::do_finalize_sections): Change handling of
11438         copy_relocs_.
11439         * Makefile.am (CCFILES): Add copy-relocs.cc.
11440         (HFILES): Add copy-relocs.h.
11441
11442         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11443
11444         * testsuite/script_test_4.sh: Permit leading zeroes.
11445
11446 2008-04-15  Ian Lance Taylor  <iant@google.com>
11447
11448         * script-sections.cc (Script_sections::create_segments): Use
11449         header_size_adjustment even when there is enough room for the
11450         headers.
11451         * testsuite/script_test_4.sh: New file.
11452         * testsuite/script_test_4.t: New file.
11453         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11454         (check_DATA): Add script_test_4.stdout.
11455         (MOSTLYCLEANFILES): Likewise.
11456         (script_test_4): New target.
11457         (script_test_4.stdout): New target.
11458         * testsuite/Makefile.in: Rebuild.
11459
11460         * sparc.cc: Add definitions for Output_data_plt_sparc class
11461         constants.
11462
11463 2008-04-14  David S. Miller  <davem@davemloft.net>
11464
11465         * sparc.cc: New file.
11466         * Makefile.am (TARGETSOURCES): Add sparc.cc
11467         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11468         * configure.tgt: Document targ_extra_size and
11469         targ_extra_big_endian.  Add entries for sparc-* and
11470         sparc64-*.
11471         * configure.ac: Handle targ_extra_size and
11472         targ_extra_big_endian.
11473         * Makefile.in: Rebuild.
11474         * configure: Likewise.
11475         * po/POTFILES.in: Likewise.
11476         * po/gold.pot: Likewise.
11477
11478 2008-04-14  Ian Lance Taylor  <iant@google.com>
11479
11480         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11481         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11482         in the name/type/flags to section mapping.  Don't call
11483         allocate_output_section.
11484         (Layout::choose_output_section): Change parameter from adjust_name
11485         to is_input_section.  Don't permit input sections after sections
11486         are attached to segments.  Don't call allocate_output_section.
11487         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11488         not write_enable_output_section.
11489         (Layout::make_output_section): Don't push to
11490         unattached_section_list_ nor call attach_to_segment.  Call
11491         attach_section_to_segment if sections are attached.
11492         (Layout::attach_sections_to_segments): New function.
11493         (Layout::attach_section_to_segment): New function.
11494         (Layout::attach_allocated_section_to_segment): Rename from
11495         attach_to_segment.  Remove flags parameter.
11496         (Layout::allocate_output_section): Remove function.
11497         (Layout::write_enable_output_section): Remove function.
11498         * layout.h (class Layout): Update for above changes.  Add new
11499         field sections_are_attached_.
11500         * output.h (Output_section::update_flags_for_input_section): New
11501         function.
11502         * output.cc (Output_section::add_input_section): Call
11503         update_flags_for_input_section.
11504         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11505
11506 2008-04-11  Cary Coutant  <ccoutant@google.com>
11507
11508         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11509         thought unnecessary.
11510         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11511
11512 2008-04-11  Ian Lance Taylor  <iant@google.com>
11513
11514         * output.h (class Output_section_data): Remove inline definition
11515         of set_addralign.
11516         * output.cc (Output_section_data::set_addralign): New function.
11517
11518 2008-04-11  Cary Coutant  <ccoutant@google.com>
11519
11520         Add support for TLS descriptors for i386 and x86_64.
11521         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11522         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11523         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11524         GOT_TYPE_TLS_DESC.
11525         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11526         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11527         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11528         relocations.
11529         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11530         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11531         Fix problem with initial-exec relocations.
11532         (Target_i386::Relocate::relocate_tls): Likewise.
11533         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11534         relaxation.
11535         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11536         support for section-plus-offset dynamic table entries.
11537         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11538         (Output_data_dynamic::Dynamic_entry): Add support for
11539         section-plus-offset dynamic table entries.
11540         (Output_data_dynamic::Classification): Likewise.
11541         (Output_data_dynamic::classification_): Renamed offset_.
11542         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11543         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11544         (Target_x86_64::make_plt_section): New function.
11545         (Target_x86_64::reserve_tlsdesc_entries): New function.
11546         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11547         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11548         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11549         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11550         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11551         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11552         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11553         add extra PLT entry for TLS descriptors.
11554         (Output_data_plt_x86_64::got_): New field.
11555         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11556         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11557         fields.
11558         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11559         descriptors.
11560         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11561         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11562         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11563         R_386_TLS_DESC_CALL relocations.
11564         (Target_x86_64::Scan::global): Likewise.
11565         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11566         for TLS descriptors.
11567         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11568         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11569         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11570         GD-to-IE relaxation.
11571         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11572         and TLS_DESCRIPTORS.
11573         * Makefile.in: Rebuild.
11574         * configure: Rebuild.
11575         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11576         (tls_test_shared2.so): New target.
11577         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11578         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11579         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11580         (tls_shared_gd_to_ie_test_LDADD): New variable.
11581         (tls_shared_gnu2_gd_to_ie_test): New target.
11582         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11583         New targets.
11584         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11585         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11586         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11587         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11588         (tls_shared_gnu2_test): New target.
11589         (tls_test_gnu2_shared.so): New target.
11590         (tls_shared_gnu2_test_SOURCES): New variable.
11591         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11592         (tls_shared_gnu2_test_LDFLAGS): New variable.
11593         (tls_shared_gnu2_test_LDADD): New variable.
11594         * testsuite/Makefile.in: Rebuild.
11595         * testsuite/Makefile.
11596
11597 2008-04-11  Ian Lance Taylor  <iant@google.com>
11598
11599         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11600         justsyms.t.
11601         * testsuite/Makefile.in: Rebuild.
11602
11603         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11604         long.
11605         * testsuite/script_test_2.cc (main): Adjust test.
11606
11607 2008-04-11  David S. Miller  <davem@davemloft.net>
11608             Ian Lance Taylor  <iant@google.com>
11609
11610         * options.h (General_options): Add entries for '-Y' and
11611         '-relax'.
11612         * options.cc (General_options:finalize): If -Y was used, add those
11613         entries to the library path instead of the default "/lib" and
11614         "/usr/lib".
11615
11616 2008-04-11  David S. Miller  <davem@davemloft.net>
11617
11618         * testsuite/justsyms.t: Start at 0x100.
11619         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11620         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11621         long.
11622         * testsuite/script_test_2.cc: Adjust string and section length
11623         checks.
11624
11625 2008-04-09  Ian Lance Taylor  <iant@google.com>
11626
11627         PR gold/5996
11628         * script-sections.cc (Sections_element::allocate_to_segment): Add
11629         orphan parameter.
11630         (Output_section_definition::allocate_to_segment): Likewise.
11631         (Orphan_output_section::allocate_to_segment): Likewise.
11632         (Script_sections::attach_sections_using_phdrs_clause): Don't
11633         propagate non-PT_LOAD segments to orphan sections.
11634         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11635         readelf rather than objdump.
11636         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11637         .interp section and PT_INTERP segment are the same size.
11638         * testsuite/Makefile.in: Rebuild.
11639
11640         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11641         aliases for symbols defined in the same object.
11642         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11643         (weak_alias_test_SOURCES): New variable.
11644         (weak_alias_test_DEPENDENCIES): New variable.
11645         (weak_alias_test_LDFLAGS): New variable.
11646         (weak_alias_test_LDADD): New variable.
11647         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11648         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11649         (weak_alias_test_3.o): New target.
11650         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11651         * testsuite/weak_alias_test_main.cc: New file.
11652         * testsuite/weak_alias_test_1.cc: New file.
11653         * testsuite/weak_alias_test_2.cc: New file.
11654         * testsuite/weak_alias_test_3.cc: New file.
11655
11656 2008-04-08  Ian Lance Taylor  <iant@google.com>
11657
11658         * options.h (class General_options): Add --noinhibit-exec option.
11659         * main.cc (main): Check --noinhibit-exec.
11660
11661         * options.h (class General_options): Define --wrap as a special
11662         option.  Add wrap_symbols_ field.
11663         (General_options::any_wrap_symbols): New function.
11664         (General_options::is_wrap_symbol): New function.
11665         * options.cc (General_options::parse_wrap): New function.
11666         (General_options::General_options): Initialize wrap_symbols_.
11667         * symtab.cc (Symbol_table::wrap_symbol): New function.
11668         (Symbol_table::add_from_object): Handle --wrap.
11669         * symtab.h (class Symbol_table): Declare wrap_symbol.
11670         * target.h (Target::wrap_char): New function.
11671         (Target::Target_info): Add wrap_char field.
11672         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11673         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11674         * testsuite/testfile.cc (Target_test::test_target_info):
11675         Likewise.
11676
11677         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11678         there is one.
11679
11680         * layout.h (class Layout): Add added_eh_frame_data_ field.
11681         * layout.cc (Layout::Layout): Initialize new field.
11682         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11683         output section until we find a section we merged successfully.
11684         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11685         that the size be non-zero.
11686
11687         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11688         qualifier.
11689
11690 2008-04-08  Craig Silverstein  <csilvers@google.com>
11691
11692         * configure.ac: Export new conditional variable HAVE_ZLIB.
11693         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11694         on HAVE_ZLIB.
11695         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11696         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11697
11698 2008-04-07  Ian Lance Taylor  <iant@google.com>
11699
11700         * version.cc (version_string): Set to "1.5".
11701
11702         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11703         Add issued_non_pic_error_ field.  Declare check_non_pic.
11704         (Target_x86_64::Scan::check_non_pic): New function.
11705         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11706         (Target_x86_64::Scan::global): Likewise.
11707
11708         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11709         addend parameter.  Change caller.  Handle merge sections.
11710         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11711         Address to Addend.  Don't add in the result of
11712         local_section_offset, pass down the addend and use the returned
11713         value.
11714         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11715         Update declarations of local_section_offset and symbol_value.
11716         * testsuite/two_file_test_1.cc (t18): New function.
11717         * testsuite/two_file_test_2.cc (f18): New function.
11718         * testsuite/two_file_test_main.cc (main): Call t18.
11719         * testsuite/two_file_test.h (t18, f18): Declare.
11720
11721         * configure.ac: Don't test for objdump, c++filt, or readelf.
11722         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11723         conditionals.
11724         (TEST_READELF): New variable.
11725         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11726         (check_PROGRAMS): Add two_file_strip_test.
11727         (two_file_strip_test): New target.
11728         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11729         (two_file_same_shared_strip_test_SOURCES): New variable.
11730         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11731         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11732         (two_file_same_shared_strip_test_LDADD): New variable.
11733         (two_file_shared_strip.so): New target.
11734         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11735         (ver_test_5.syms, ver_test_7.syms): Likewise.
11736         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11737         (strip_test_3.stdout): Use TEST_OBJDUMP.
11738         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11739
11740 2008-04-04  Cary Coutant  <ccoutant@google.com>
11741
11742         * symtab.h (Symbol::is_weak_undefined): New function.
11743         (Symbol::is_strong_undefined): New function.
11744         (Symbol::is_absolute): New function.
11745         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11746         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11747         absolute symbols.
11748         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11749         (weak_undef_test): New target.
11750         * testsuite/Makefile.in: Rebuild.
11751         * testsuite/weak_undef_file1.cc: New file.
11752         * testsuite/weak_undef_file2.cc: New file.
11753         * testsuite/weak_undef_test.cc: New file.
11754
11755 2008-04-03  Craig Silverstein  <csilvers@google.com>
11756
11757         * compressed_output.h (class Output_compressed_section): Use
11758         unsigned buffer.
11759         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11760         add zlib header.
11761         (zlib_compressed_suffix): Removed.
11762         (Output_compressed_section::set_final_data_size): Use unsigned
11763         buffers.
11764         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11765         Fix linker invocation.
11766         (flagstest_o_specialfile_and_compress_debug_sections):
11767         Likewise.
11768         * testsuite/Makefile.in: Regenerated.
11769
11770 2008-04-02  David S. Miller  <davem@davemloft.net>
11771
11772         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11773         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11774
11775 2008-04-02  Craig Silverstein  <csilvers@google.com>
11776
11777         * TODO: New file.
11778
11779 2008-04-02  Ian Lance Taylor  <iant@google.com>
11780
11781         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11782         parameters.  Update for new key type to views_.  Change all
11783         callers.
11784         (File_read::read): Adjust for byteshift in returned view.
11785         (File_read::add_view): New function, broken out of
11786         find_and_make_view.
11787         (File_read::make_view): New function, broken out of
11788         find_and_make_view.
11789         (File_read::find_or_make_view): Add offset and aligned
11790         parameters.  Rewrite accordingly.  Change all callers.
11791         (File_read::get_view): Add offset and aligned parameters.  Adjust
11792         for byteshift in return value.
11793         (File_read::get_lasting_view): Likewise.
11794         * fileread.h (class File_read): Update declarations.
11795         (class File_read::View): Add byteshift_ field.  Add byteshift to
11796         constructor.  Add byteshift method.
11797         * archive.h (Archive::clear_uncached_views): New function.
11798         (Archive::get_view): Add aligned parameter.  Change all callers.
11799         * object.h (Object::get_view): Add aligned parameter.  Change all
11800         callers.
11801         (Object::get_lasting_view): Likewise.
11802
11803         * fileread.cc (File_read::release): Don't call clear_views if
11804         there are multiple objects.
11805         * fileread.h (File_read::clear_uncached_views): New function.
11806         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11807         on the archive.
11808
11809 2008-03-31  Cary Coutant  <ccoutant@google.com>
11810
11811         Add thin archive support.
11812         * archive.cc (Archive::armagt): New const.
11813         (Archive::setup): Remove task parameter and calls to unlock.
11814         (Archive::unlock_nested_archives): New function.
11815         (Archive::read_header): Add nested_off parameter. Change
11816         all callers.
11817         (Archive::interpret_header): Likewise.
11818         (Archive::include_all_members): Change to handle thin
11819         archives.
11820         (Archive::include_member): Likewise.
11821         * archive.h (Archive::Archive): Add new parameters and
11822         initializers.
11823         (Archive::armagt): New const.
11824         (Archive::setup): Remove task parameter.
11825         (Archive::unlock_nested_archives): New function.
11826         (Archive::read_header): Add nested_off parameter.
11827         (Archive::interpret_header): Likewise.
11828         (Archive::Nested_archive_table): New typedef.
11829         (Archive::is_thin_archive_): New field.
11830         (Archive::nested_archives_): New field.
11831         (Archive::options_): New field.
11832         (Archive::dirpath_): New field.
11833         (Archive::task_): New field.
11834         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11835         for thin archives.  Pass additional parameters to
11836         Archive::Archive.  Unlock the archive file after calling
11837         Archive::setup.
11838
11839 2008-03-29  Ian Lance Taylor  <iant@google.com>
11840
11841         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11842         version symbol to be local.
11843         * testsuite/ver_test_4.sh: New file.
11844         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11845         (check_DATA): Add ver_test_4.syms.
11846         (ver_test_4.syms): New target.
11847         * testsuite/Makefile.in: Rebuild.
11848
11849         * output.cc
11850         (Output_section::Input_section_sort_entry::has_priority): New
11851         function.
11852         (Output_section::Input_section_sort_entry::match_file_name): New
11853         function.
11854         (Output_section::Input_section_sort_entry::match_section_name):
11855         Remove.
11856         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11857         Remove.
11858         (Output_section::Input_section_sort_entry::match_section_file):
11859         Remove.
11860         (Output_section::Input_section_sort_compare::operator()): Rewrite
11861         using new Input_section_sort_entry functions.  Sort crtbegin and
11862         crtend first.  Sort sections with no priority before sections with
11863         a priority.
11864         * testsuite/initpri1.c (d3): Check j != 4.
11865         (cd5): New constructor/destructor function.
11866         (main): Check j != 2.
11867
11868         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11869         new symbol when resolving, don't call set_is_default.
11870         * testsuite/ver_test_7.cc: New file.
11871         * testsuite/ver_test_7.sh: New file.
11872         * testsuite/Makefile.am (ver_test_7.so): New target.
11873         (ver_test_7.o): New target.
11874         (check_SCRIPTS): Add ver_test_7.sh.
11875         (check_DATA): Add ver_test_7.syms.
11876         (ver_test_7.syms): New target.
11877
11878 2008-03-28  Ian Lance Taylor  <iant@google.com>
11879
11880         * layout.cc (Layout::layout): If we see an input section with a
11881         name that needs sorting, set the must_sort flag for the output
11882         section.
11883         (Layout::make_output_section): If the name of the output section
11884         indicates that it might require sorting, set the may_sort flag.
11885         * output.h (Output_section::may_sort_attached_input_sections): New
11886         function.
11887         (Output_section::set_may_sort_attached_input_sections): New
11888         function.
11889         (Output_section::must_sort_attached_input_sections): New
11890         function.
11891         (Output_section::set_must_sort_attached_input_sections): New
11892         function.
11893         (class Output_section): Declare Input_section_sort_entry.  Define
11894         Input_section_sort_compare.  Declare
11895         sort_attached_input_sections.  Add new fields:
11896         may_sort_attached_input_sections_,
11897         must_sort_attached_input_sections_,
11898         attached_input_sections_are_sorted_.
11899         * output.cc (Output_section::Output_section): Initialize new
11900         fields.
11901         (Output_section::add_input_section): Add an entry to
11902         input_sections_ if may_sort or must_sort are true.
11903         (Output_section::set_final_data_size): Call
11904         sort_attached_input_sections if necessary.
11905         (Output_section::Input_section_sort_entry): Define new class.
11906         (Output_section::Input_section_sort_compare::operator()): New
11907         function.
11908         (Output_section::sort_attached_input_sections): New function.
11909         * configure.ac: Check whether the compiler supports constructor
11910         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11911         * testsuite/initpri1.c: New file.
11912         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11913         CONSTRUCTOR_PRIORITY.
11914         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11915         (initpri1_LDFLAGS): New variable.
11916         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11917
11918 2008-03-27  Ian Lance Taylor  <iant@google.com>
11919
11920         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11921         * testsuite/common_test_1.c: New file.
11922         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11923         (common_test_1_SOURCES): New variable.
11924         (common_test_1_DEPENDENCIES): New variable.
11925         (common_test_1_LDFLAGS): New variable.
11926
11927         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11928         and commons_ correctly when NAME/VERSION does not override
11929         NAME/NULL.
11930         * testsuite/ver_test_6.c: New file.
11931         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11932         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11933         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11934
11935 2008-03-26  Ian Lance Taylor  <iant@google.com>
11936
11937         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11938         of an undefined symbol from a version script.
11939         * testsuite/Makefile.am (ver_test_5.so): New target.
11940         (ver_test_5.o): New target.
11941         (check_SCRIPTS): Add ver_test_5.sh.
11942         (check_DATA): Add ver_test_5.syms.
11943         (ver_test_5.syms): New target.
11944         * testsuite/ver_test_5.cc: New file.
11945         * testsuite/ver_test_5.script: New file.
11946         * testsuite/ver_test_5.sh: New file.
11947         * Makefile.in, testsuite/Makefile.in: Rebuild.
11948
11949         PR gold/5986
11950         Fix problems building gold with gcc 4.3.0.
11951         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11952         (gold_error_at_location, gold_warning_at_location): Use it.
11953         * configure.ac: Check whether we can compile and use a template
11954         function with a printf attribute.
11955         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11956         when jumping over bytes.
11957         * object.cc: Instantiate Object::read_section_data.
11958         * debug.h: Include <cstring>
11959         * dwarf_reader.cc: Include <algorithm>
11960         * main.cc: Include <cstring>.
11961         * options.cc: Include <cstring>.
11962         * output.cc: Include <cstring>.
11963         * script.cc: Include <cstring>.
11964         * script.h: Include <string>.
11965         * symtab.cc: Include <cstring> and <algorithm>.
11966         * target-select.cc: Include <cstring>.
11967         * version.cc: Include <string>.
11968         * testsuite/testmain.cc: Include <cstdlib>.
11969         * configure, config.in: Rebuild.
11970
11971 2008-03-25  Ian Lance Taylor  <iant@google.com>
11972
11973         * options.cc: Include "../bfd/bfdver.h".
11974         (options::help): Print bug reporting address.
11975
11976         * version.cc (print_version): Adjust output for current value of
11977         BFD_VERSION_STRING.
11978
11979         * NEWS: New file.
11980
11981         * options.cc (options::help): Print list of supported targets.
11982         * target-select.h: Include <vector>.
11983         (class Target_selector): Make machine_, size_, and is_big_endian_
11984         fields const.  Add bfd_name_ and instantiated_target_ fields.
11985         (Target_selector::Target_selector): Add bfd_name parameter.
11986         (Target_selector::recognize): Make non-virtual, call
11987         do_recognize.
11988         (Target_selector::recognize_by_name): Make non-virtual, call
11989         do_recognize_by_name.
11990         (Target_selector::supported_names): New function.
11991         (Target_selector::bfd_name): New function.
11992         (Target_selector::do_instantiate_target): New pure virtual
11993         function.
11994         (Target_selector::do_recognize): New virtual function.
11995         (Target_selector::do_recognize_by_name): New virtual function.
11996         (Target_selector::instantiate_target): New private function.
11997         (supported_target_names): Declare.
11998         * target-select.cc (Target_selector::Target_selector): Update for
11999         new parameter and fields.
12000         (select_target_by_name): Check that the name matches before
12001         calling recognize_by_name.
12002         (supported_target_names): New function.
12003         * i386.cc (class Target_selector_i386): Update Target_selector
12004         constructor call.  Remove recognize and recognize_by_name.  Add
12005         do_instantiate_target.
12006         * x86_64.cc (class Target_selector_x86_64): Likewise.
12007         * testsuite/testfile.cc (class Target_selector_test): Update for
12008         changes to Target_selector.
12009
12010         * README: Rewrite, with some notes on unsupported features.
12011
12012 2008-03-24  Cary Coutant  <ccoutant@google.com>
12013
12014         * i386.cc (Target_i386::Got_type): New enum declaration.
12015         (Target_i386::Scan::local): Updated callers of Output_data_got
12016         member functions.
12017         (Target_i386::Scan::global): Likewise.
12018         (Target_i386::Relocate::relocate): Likewise.
12019         (Target_i386::Relocate::relocate_tls): Likewise.
12020         * object.h (Got_offset_list): New class.
12021         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12022         (Sized_relobj::local_got_offset): Likewise.
12023         (Sized_relobj::set_local_got_offset): Likewise.
12024         (Sized_relobj::local_has_tls_got_offset): Removed.
12025         (Sized_relobj::local_tls_got_offset): Removed.
12026         (Sized_relobj::set_local_tls_got_offset): Removed.
12027         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12028         * output.cc (Output_data_got::add_global): Added got_type parameter.
12029         (Output_data_got::add_global_with_rel): Likewise.
12030         (Output_data_got::add_global_with_rela): Likewise.
12031         (Output_data_got::add_global_pair_with_rel): New function.
12032         (Output_data_got::add_global_pair_with_rela): New function.
12033         (Output_data_got::add_local): Added got_type parameter.
12034         (Output_data_got::add_local_with_rel): Likewise.
12035         (Output_data_got::add_local_with_rela): Likewise.
12036         (Output_data_got::add_local_pair_with_rel): New function.
12037         (Output_data_got::add_local_pair_with_rela): New function.
12038         (Output_data_got::add_global_tls): Removed.
12039         (Output_data_got::add_global_tls_with_rel): Removed.
12040         (Output_data_got::add_global_tls_with_rela): Removed.
12041         (Output_data_got::add_local_tls): Removed.
12042         (Output_data_got::add_local_tls_with_rel): Removed.
12043         (Output_data_got::add_local_tls_with_rela): Removed.
12044         * output.h (Output_data_got::add_global): Added got_type parameter.
12045         (Output_data_got::add_global_with_rel): Likewise.
12046         (Output_data_got::add_global_with_rela): Likewise.
12047         (Output_data_got::add_global_pair_with_rel): New function.
12048         (Output_data_got::add_global_pair_with_rela): New function.
12049         (Output_data_got::add_local): Added got_type parameter.
12050         (Output_data_got::add_local_with_rel): Likewise.
12051         (Output_data_got::add_local_with_rela): Likewise.
12052         (Output_data_got::add_local_pair_with_rel): New function.
12053         (Output_data_got::add_local_pair_with_rela): New function.
12054         (Output_data_got::add_global_tls): Removed.
12055         (Output_data_got::add_global_tls_with_rel): Removed.
12056         (Output_data_got::add_global_tls_with_rela): Removed.
12057         (Output_data_got::add_local_tls): Removed.
12058         (Output_data_got::add_local_tls_with_rel): Removed.
12059         (Output_data_got::add_local_tls_with_rela): Removed.
12060         * resolve.cc (Symbol::override_base_with_special): Removed
12061         reference to has_got_offset_ field.
12062         * symtab.cc (Symbol::init_fields): Replaced initialization
12063         of got_offset_ with got_offsets_.  Removed initialization
12064         of has_got_offset_
12065         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12066         (Symbol::got_offset): Likewise.
12067         (Symbol::set_got_offset): Likewise.
12068         (Symbol::has_tls_got_offset): Removed.
12069         (Symbol::tls_got_offset): Removed.
12070         (Symbol::set_tls_got_offset): Removed.
12071         (Symbol::got_offset_): Removed.
12072         (Symbol::tls_mod_got_offset_): Removed.
12073         (Symbol::tls_pair_got_offset_): Removed.
12074         (Symbol::got_offsets_): New field.
12075         (Symbol::has_got_offset): Removed.
12076         (Symbol::has_tls_mod_got_offset): Removed.
12077         (Symbol::has_tls_pair_got_offset): Removed.
12078         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12079         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12080         member functions.
12081         (Target_x86_64::Scan::global): Likewise.
12082         (Target_x86_64::Relocate::relocate): Likewise.
12083         (Target_x86_64::Relocate::relocate_tls): Likewise.
12084
12085 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12086
12087         * yyscript.y: Fix spelling error in comment.
12088
12089 2008-03-24  Ian Lance Taylor  <iant@google.com>
12090
12091         * options.h (class General_options): Define build_id option.
12092         * layout.h (class Layout): Declare write_build_id, create_note,
12093         create_build_id.  Add build_id_note_ member.
12094         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12095         "libiberty.h", "md5.h", "sha1.h".
12096         (Layout::Layout): Initialize eh_frame_data_,
12097         eh_frame_hdr_section_, and build_id_note_.
12098         (Layout::finalize): Call create_build_id.
12099         (Layout::create_note): New function, broken out of
12100         Layout::create_gold_note.
12101         (Layout::create_gold_note): Call create_note.
12102         (Layout::create_build_id): New function.
12103         (Layout::write_build_id): New function.
12104         (Close_task_runner::run): Call write_build_id.
12105
12106         * x86_64.cc: Correct license to GPLv3.
12107
12108 2008-03-23  Ian Lance Taylor  <iant@google.com>
12109
12110         * options.cc: Include "demangle.h".
12111         (parse_optional_string): New function.
12112         (parse_long_option): Handle takes_optional_argument.
12113         (parse_short_option): Update dash_z initializer.  Handle
12114         takes_optional_argument.
12115         (General_options::General_options): Initialize do_demangle_.
12116         (General_options::finalize): Set do_demangle_.  Handle demangling
12117         style.
12118         * options.h (parse_optional_string): Declare.
12119         (struct One_option): Add optional_arg field.  Update constructor.
12120         Update call constructor calls.  Add takes_optional_argument
12121         function.
12122         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12123         (DEFINE_optional_string): Define.
12124         (General_options::demangle): Change from DEFINE_bool to
12125         DEFINE_optional_string.
12126         (General_options::no_demangle): New function.
12127         (General_options::do_demangle): New function.
12128         (General_options::set_do_demangle): New function.
12129         (General_options::execstack_status_): Move definition to end of
12130         class definition.
12131         (General_options::static_): Likewise.
12132         (General_options::do_demangle_): New field.
12133         * object.cc (big_endian>::get_symbol_location_info): Call
12134         Options::do_demangle, not Options::demangle.
12135         * symtab.cc (demangle): Likewise.
12136
12137 2008-03-22  Ian Lance Taylor  <iant@google.com>
12138
12139         * gold.h: Include <cstddef> and <sys/types.h>
12140         * options.h: Include <cstring>.
12141
12142 2008-03-21  Ian Lance Taylor  <iant@google.com>
12143
12144         * Added source code to GNU binutils.