gold/ChangeLog

   1 2010-01-07  Ian Lance Taylor  <iant@google.com>
   2
   3         PR 11042
   4         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
   5         object as needed.
   6
   7 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
   8             Ian Lance Taylor  <iant@google.com>
   9
  10         PR 11019
  11         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
  12         Xindex::read_symtab_xindex.
  13
  14 2010-01-07  Doug Kwan  <dougkwan@google.com>
  15
  16         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
  17         (Insn_template::thumb16_bcond_insn): New method declaration.
  18         (Insn_template): Fix spelling.
  19         (Stub::thumb16_special): New method declaration.
  20         (Stub::do_write): Define virtual method which was previously pure
  21         virtual.
  22         (Stub::do_thumb16_special): New method declaration.
  23         (Stub::do_fixed_endian_write): New template member.
  24         (Reloc_stub::do_write): Remove.
  25         (Reloc_stub::do_fixed_endian_write): Remove.
  26         (Cortex_a8_stub): New class definition.
  27         (Stub_factory::make_cortex_a8_stub): New method definition.
  28         (Stub_factory::Stub_factory): Add missing static storage class
  29         qualifier for elf32_arm_stub_a8_veneer_blx.
  30
  31 2010-01-07  Ian Lance Taylor  <iant@google.com>
  32
  33         PR 10980
  34         * options.h (class General_options): Add --warn-unresolved-symbols
  35         and --error-unresolved-symbols.
  36         * errors.cc (Errors::undefined_symbol): Implement
  37         --warn-unresolved-symbols.
  38
  39         * options.h (class General_options): Add -z text and -z textoff.
  40         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
  41
  42 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
  43
  44         * gc.h (Garbage_collection::Cident_section_map): New typedef.
  45         (Garbage_collection::cident_sections): New function.
  46         (Garbage_collection::add_cident_section): New function.
  47         (Garbage_collection::cident_sections_): New member.
  48         (gc_process_relocs): Add references to sections whose names are C
  49         identifiers.
  50         * gold.h (cident_section_start_prefix): New constant.
  51         (cident_section_stop_prefix): New constant.
  52         (is_cident): New function.
  53         * layout.cc (Layout::define_section_symbols): Replace string constants
  54         with the newly defined constants.
  55         * object.cc (Sized_relobj::do_layout): Track sections whose names are
  56         C identifiers.
  57         * testsuite/Makefile.am: Add gc_orphan_section_test.
  58         * testsuite/Makefile.in: Regenerate.
  59         * testsuite/gc_orphan_section_test.cc: New file.
  60         * testsuite/gc_orphan_section_test.sh: New file.
  61
  62 2010-01-06  Ian Lance Taylor  <iant@google.com>
  63
  64         PR 10980
  65         * options.h (class General_options): Add --warn-shared-textrel.
  66         * layout.cc (Layout::finish_dynamic_section): Implement
  67         --warn-shared-textrel.
  68
  69         PR 10980
  70         * options.h (class General_options): Add --warn-multiple-gp.
  71
  72 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
  73
  74         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
  75         $(THREADSLIB) and $(LIBDL).
  76         * Makefile.in: Rebuild.
  77
  78 2010-01-06  Ian Lance Taylor  <iant@google.com>
  79
  80         PR 10980
  81         * options.cc (General_options::parse_section_start): New function.
  82         (General_options::section_start): New function.
  83         (General_options::General_options): Initialize all members.
  84         * options.h: Include <map>
  85         (class General_options): Add --section-start.  Add section_starts_
  86         member.
  87         * layout.cc (Layout::attach_allocated_section_to_segment): If
  88         --section-start was used, set the address of the segment.  Remove
  89         local sort_sections.
  90         (Layout::relaxation_loop_body): If the address of the load segment
  91         has been set by --section-start, don't use it.
  92         * output.h (Output_segment::update_flags_for_output_section): New
  93         function.
  94         * output.cc (Output_segment::add_output_section): Call
  95         update_flags_for_output_section.
  96
  97 2010-01-05  Ian Lance Taylor  <iant@google.com>
  98
  99         PR 10980
 100         * options.h (class General_options): Add --undefined-version.
 101         * script.cc (struct Version_expression): Add was_matched_by_symbol
 102         field.
 103         (Version_script_info::matched_symbol): New function.
 104         (Version_script_info::get_symbol_version_helper): Call
 105         matched_symbol.
 106         (Version_script_info::check_unmatched_names): New function.
 107         * script.h (class Version_script_info): Update declarations.
 108         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
 109
 110         * options.h (class General_options): Use DEFINE_bool_alias for
 111         allow_multiple_definition.
 112         * resolve.cc (Symbol_table::should_override): Don't test
 113         allow_multiple_definition.
 114
 115         PR 10980
 116         * options.h (class General_options): Add --cref.
 117         * main.cc (main): Print cref table if --cref.  Don't close mapfile
 118         until after printing cref table.
 119         * cref.cc: Include "symtab.h".
 120         (class Cref_inputs): Define Cref_table_compare and Cref_table.
 121         (Cref_table_compare::operator()): New function.
 122         (Cref_inputs::gather_cref): New function.
 123         (filecol): New static const.
 124         (Cref_inputs::print_cref): New function.
 125         (Cref::print_cref): New function.
 126         * cref.h: Include <cstdio>.
 127         (class Cref): Update declarations.
 128         * mapfile.h (Mapfile::file): New function.
 129         * object.h (class Object): Define Symbols.  Declare virtual
 130         do_get_global_symbols.
 131         (Object::get_global_symbols): New function.
 132         * object.cc (Input_objects::add_object): Pass object to cref_ if
 133         --cref.
 134         (Input_objects::archive_start): Likewise.
 135         (Input_objects::archive_stop): Likewise.
 136         (Input_objects::print_cref): New function.
 137         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
 138         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
 139         --cref.
 140         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
 141         function.
 142         * plugin.h (class Sized_pluginobj): Update declarations.
 143
 144 2010-01-05  Ian Lance Taylor  <iant@google.com>
 145
 146         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
 147         to is_default_version.  Rename insdef to insdefault.
 148         (Symbol_table::add_from_relobj): Rename def to is_default_version
 149         and local to is_forced_local.
 150         (Symbol_table::add_from_pluginobj): Likewise.
 151         (Symbol_table::add_from_dynobj): Likewise.
 152         (Symbol_table::define_special_symbol): Rename insdef to
 153         insdefault.
 154
 155 2010-01-04  Ian Lance Taylor  <iant@google.com>
 156
 157         PR 10980
 158         * options.h (class General_options): Add
 159         --allow-multiple-definition and -z muldefs.
 160         * resolve.cc (Symbol_table::should_override): Don't warn about a
 161         multiple symbol definition if --allow-multiple-definition or -z
 162         muldefs.
 163
 164         PR 10980
 165         * options.h (class General_options): Add --add-needed and
 166         --copy-dt-needed-entries.  Tweak --as-needed help entry.
 167         * object.cc (Input_objects::check_dynamic_dependencies): Give an
 168         error if --copy-dt-needed-entries aka --add-needed is used and
 169         would cause a change in behaviour.
 170
 171         PR 10980
 172         * options.h (class General_options): Add -G as a short version of
 173         --shared.  Add no-op options -assert, -g, and -i.
 174
 175 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
 176
 177         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
 178         check for .text or .gnu.linkonce.t sections.
 179         * icf.cc (Icf::find_identical_sections): Ditto.
 180         Change the detection for mangled function name within the section
 181         name.
 182         * icf.h (is_section_foldable_candidate): New function.
 183
 184 2009-12-30  Ian Lance Taylor  <iant@google.com>
 185
 186         PR 10980
 187         * options.h (class General_options): Permit two dashes with
 188         --retain-symbols-file.
 189
 190 2009-12-30  Ian Lance Taylor  <iant@google.com>
 191
 192         PR 10979
 193         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
 194         don't put the file header and segment headers in the text
 195         segment.
 196
 197         PR 10979
 198         * common.cc (Sort_commons::operator()): Stabilize sort when both
 199         entries are NULL.
 200         (Symbol_table::do_allocate_commons_list): When allocating common
 201         symbols, skip a symbol which is no longer common.
 202         * symtab.h (Symbol::is_common): Test whether the symbol comes from
 203         an object before checking its type.
 204         * testsuite/common_test_2.c: New file.
 205         * testsuite/common_test_3.c: New file.
 206         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
 207         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
 208         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
 209         (common_test_2_pic.o, common_test_2.so): New targets.
 210         (common_test_3_pic.o, common_test_3.so): New targets.
 211         * testsuite/Makefile.in: Rebuild.
 212
 213         PR 10979
 214         * script.cc (read_input_script): If we see a new SECTIONS clause,
 215         and we have added an input section, give an error.
 216         * layout.h (class Layout): Add have_added_input_section function.
 217         Add have_added_input_section_ field.
 218         * layout.cc (Layout::Layout): Initialize
 219         have_added_input_section_.
 220         (Layout::layout): Set have_added_input_section_.
 221         (Layout::layout_eh_frame): Likewise.
 222
 223 2009-12-30  Ian Lance Taylor  <iant@google.com>
 224
 225         PR 10931
 226         * options.h (class General_options): Add --sort-common option.
 227         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
 228         * common.cc (Sort_common): Add sort_order parameter to
 229         constructor.  Add sort_order_ field.
 230         (Sort_commons::operator): Check sort_order_.
 231         (Symbol_table::allocate_commons): Determine the sort order.
 232         (Symbol_table::do_allocate_commons): Add sort_order parameter.
 233         Change all callers.
 234         (Symbol_table::do_allocate_commons_list): Likewise.
 235
 236 2009-12-30  Ian Lance Taylor  <iant@google.com>
 237
 238         PR 10916
 239         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
 240         symbols from this object, don't change the visibility of an
 241         undefined symbol.
 242         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
 243
 244 2009-12-30  Ian Lance Taylor  <iant@google.com>
 245
 246         PR 10861
 247         * script.h (class Version_script_info): Define Language enum.
 248         Update declarations.  Define Glob, Exact, and Lookup types.  Add
 249         new fields globals_, locals_, and is_finalized_.
 250         * script.cc: Various formatting fixes.
 251         (class Parser_closure): Change language_stack_ from a vector of
 252         std::string to one of Version_script_info::Language.  Adjust all
 253         uses accordingly.
 254         (class Lazy_demangler): Remove.
 255         (struct Version_expression): Change language from std::string to
 256         Version_script_info::Language.
 257         (Version_script_info::Version_script_info): New function.
 258         (Version_script_info::~Version_script_info): Don't call clear.
 259         (Version_script_info::finalize): New function.
 260         (Version_script_info::build_lookup_tables): New function.
 261         (Version_script_info::build_expression_list_lookup): New
 262         function.
 263         (Version_script_info::get_symbol_version_helper): Rewrite to use
 264         lookup tables.
 265         (Version_script_info::print_expression_list): Adjust to use
 266         Version_script_info::Language.
 267         (script_push_lex_into_version_mode): Check that the version script
 268         has not been finalized.
 269         (version_script_push_lang): Change language string to
 270         Version_script_info::Language.
 271         * options.cc (Command_line::version_script): New function.
 272         * options.h (class General_options): Add finalize_dynamic_list
 273         function.  Change version_script from declaration to definition.
 274         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
 275         * testsuite/version_script.map: Remove duplicate def of foo.
 276         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
 277         version_script.map.
 278         * testsuite/Makefile.in: Rebuild.
 279
 280 2009-12-30  Ian Lance Taylor  <iant@google.com>
 281
 282         PR 10843
 283         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
 284         if the input symbol index is 0, make the output symbol index 0.
 285
 286 2009-12-30  Ian Lance Taylor  <iant@google.com>
 287
 288         PR 10670
 289         * options.h (class General_options): Add -x/--discard-all.
 290         * object.cc (Sized_relobj::do_count_local_symbols): Handle
 291         --discard-all.  If the local symbol needs a dynamic entry, check
 292         that before handling --discard-locals.
 293
 294 2009-12-30  Ian Lance Taylor  <iant@google.com>
 295
 296         PR 10450
 297         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
 298         flags to PF_R.
 299         (Output_segment::add_output_section): Don't change the flags if
 300         the type is PT_TLS.
 301
 302         PR 10450
 303         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
 304         GNU hash table if they need a dynamic value.  Otherwise, don't add
 305         them if they are defined in a dynamic object or are forced local.
 306
 307 2009-12-29  Ian Lance Taylor  <iant@google.com>
 308
 309         PR 10450
 310         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
 311         .gnu.hash table for a 32-bit target.
 312
 313         PR 10450
 314         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
 315         regular and a dynamic object only needs a dynamic symbol table
 316         entry if it is externally visible.
 317
 318         PR 10450
 319         * i386.cc (class Target_i386): Initialize global_offset_table_ in
 320         constructor.  Add global_offset_table_ field.
 321         (Target_i386::got_section): Set global_offset_table_.
 322         (Target_i386::do_finalize_sections): Set global_offset_table_
 323         size.
 324         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
 325         in constructor.  Add global_offset_table_ field.
 326         (Target_x86_64::got_section): Set global_offset_table_.
 327         (Target_x86_64::do_finalize_sections): Set global_offset_table_
 328         size.
 329
 330         * layout.cc (Layout::Layout): Initialize increase_relro_.
 331         (Layout::get_output_section): Add is_relro, is_last_relro, and
 332         is_first_non_relro parameters.  Change all callers.
 333         (Layout::choose_output_section): Likewise.
 334         (Layout::add_output_section_data): Likewise.
 335         (Layout::make_output_section): Likewise.
 336         (Layout::set_segment_offsets): Clear increase_relro when using a
 337         linker script.
 338         * layout.h (class Layout): Add increase_relro method.  Add
 339         increase_relro_ field.  Update declarations.
 340         * output.cc (Output_section::Output_section): Initialize
 341         is_last_relro_ and is_first_non_relro_.
 342         (Output_segment::add_output_section): Group relro sections is
 343         do_sort is true.  Handle is_last_relro and is_first_non_relro.
 344         (Output_segment::maximum_alignment): Remove relro handling.
 345         (Output_segment::set_section_addresses): Add increase_relro
 346         parameter.  Change all callers.  Add initial alignment to align
 347         relro sections on separate page.  Remove old relro handling.
 348         (Output_segment::set_section_list_addresses): Remove in_relro
 349         parameter.  Change all callers.
 350         (Output_segment::set_offset): Add increase parameter.  Change all
 351         callers.  Remove old relro handling.
 352         * output.h (class Output_section): Add new methods: is_last_relro,
 353         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
 354         Add is_last_relro_ and is_first_non_relro_ fields.
 355         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
 356         Create separate .got.plt section.  Call increase_relro.
 357         * x86_64.cc (Target_x86_64::got_section): Likewise.
 358         * testsuite/relro_script_test.t: Add .got.plt.
 359
 360         PR 10450
 361         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
 362         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
 363         (Layout::finalize): Call set_dynamic_symbol_size.
 364         (Layout::set_dynamic_symbol_size): New function.
 365         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
 366         set_dynamic_symbol_size.
 367
 368         PR 10450
 369         * output.h (class Output_section): Add is_entsize_zero_ field.
 370         * output.cc (Output_section::Output_section): Initialize
 371         is_entsize_zero_.
 372         (Output_section::set_entsize): If two different entsizes are
 373         requested, force it to zero.
 374         (Output_section::add_input_section): Set flags for .debug_str
 375         before updating section flags.  Set entsize.
 376         (Output_section::update_flags_for_input_section): Set SHF_MERGE
 377         and SHF_STRING if all input sections have those flags.
 378
 379 2009-12-29   Rafael Espindola  <espindola@google.com>
 380
 381         * main.cc (main): Fix the sys time reporting.
 382         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
 383         reporting.
 384
 385 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
 386
 387         * options.cc (General_options::parse_version): Allow -v to exit
 388         without an error if there is nothing to link.
 389
 390 2009-12-29  Ian Lance Taylor  <iant@google.com>
 391
 392         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
 393         using a version of gcc before 4.1.
 394         * configure: Rebuild.
 395
 396 2009-12-28  Chris Demetriou  <cgd@google.com>
 397
 398         * attributes.cc (Output_attributes_section_data::do_write): Use
 399         std::vector::front rather than std::vector::data.
 400
 401 2009-12-28  Ian Lance Taylor  <iant@google.com>
 402
 403         * symtab.h (class Symbol_table): Add enum Defined.
 404         * resolve.cc (Symbol_table::should_override): Add defined
 405         parameter.  Change all callers.  Test whether object is NULL
 406         before calling a method on it.
 407         (Symbol_table::report_resolve_problem): Add defined parameter.
 408         Change all callers.
 409         (Symbol_table::should_override_with_special): Likewise.
 410         * symtab.cc (Symbol_table::define_in_output_data): Add defined
 411         parameter.  Change all callers.
 412         (Symbol_table::do_define_in_output_data): Likewise.
 413         (Symbol_table::define_in_output_segment): Likewise.
 414         (Symbol_table::do_define_in_output_segment): Likewise.
 415         (Symbol_table::define_as_constant): Likewise.
 416         (Symbol_table::do_define_as_constant): Likewise.
 417         * script.h (class Symbol_assignment): Add is_defsym parameter to
 418         constructor; change all callers.
 419         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
 420         parameter.  Change all callers.  Add is_defsym_ field.
 421         (class Parser_closure): Add parsing_defsym parameter to
 422         constructor; change all callers.  Add parsing_defsym accessor
 423         function.  Add parsing_defsym_ field.
 424
 425 2009-12-28  Ian Lance Taylor  <iant@google.com>
 426
 427         * gold.cc (queue_middle_tasks): Fix formatting.
 428         * object.cc (Relobj::is_section_name_included): Likewise.
 429
 430 2009-12-23  Ian Lance Taylor  <iant@google.com>
 431
 432         * i386.cc (Target_i386::do_calls_non_split): Recognize
 433         -fsplit-stack prologue for a function with a static chain.
 434         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
 435         -fsplit-stack prologue when using %r11.
 436
 437 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
 438
 439         * options.cc (General_options::parse_version): Make -v continue and do
 440         the link like GNU ld does.
 441
 442 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
 443
 444         * Makefile.am (CCFILES): Add timer.cc.
 445         (HFILES): Add timer.h.
 446         * configure.ac: Check for sysconf and times.
 447         * main.cc: include timer.h.
 448         (main): Use Timer instead of get_run_time.
 449         * timer.cc: New.
 450         * timer.h: New.
 451         * workqueue.cc: include timer.h.
 452         (Workqueue::find_and_run_task):
 453         Report user, sys and wall time.
 454         * Makefile.in: Regenerate.
 455         * config.in: Regenerate.
 456         * configure: Regenerate.
 457
 458 2009-12-16  Doug Kwan  <dougkwan@google.com>
 459
 460         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
 461         sections.
 462         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
 463         relaxed input sections.
 464         * output.cc (Output_section::find_relaxed_input_section): Change
 465         return type to Output_relaxed_input_section pointer.  Adjust code
 466         for new type of relaxed_input_section_map_.
 467         * output.h (Output_section::find_relaxed_input_section): Change
 468         return type to Output_relaxed_input_section pointer.
 469         (Output_section::Output_relaxed_input_section_by_input_section_map):
 470         New type.
 471         (Output_section::relaxed_input_section_map_): Change type to
 472         Output_section::Output_relaxed_input_section_by_input_section_map.
 473         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
 474         input section.
 475
 476 2009-12-15  Ian Lance Taylor  <iant@google.com>
 477
 478         * layout.cc (Layout::create_shstrtab): Only write out after input
 479         sections if we are compressing debug sections.
 480
 481 2009-12-15  Ian Lance Taylor  <iant@google.com>
 482
 483         * archive.cc (Archive::add_symbols): Only look up a symbol without
 484         a version if there is, in fact, a version.
 485
 486 2009-12-14  Ian Lance Taylor  <iant@google.com>
 487
 488         Revert -Wshadow changes, all changes from:
 489         2009-12-11  Doug Kwan  <dougkwan@google.com>
 490         2009-12-11  Nick Clifton  <nickc@redhat.com>
 491         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
 492
 493 2009-12-11  Doug Kwan  <dougkwan@google.com>
 494
 495         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
 496         due to -Wshadow.
 497         * attributes.cc (Object_attribute::size): Ditto.
 498         (Attributes_section_data::size): Ditto.
 499         (Attributes_section_data::Attributes_section_data): Ditto.
 500         (Output_attributes_section_data::do_write): Ditto.
 501         * attributes.h (Object_attribute::set_type): Ditto.
 502         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
 503
 504 2009-12-11  Nick Clifton  <nickc@redhat.com>
 505
 506         * archive.cc: Fix shadowed variable warnings.
 507         * arm.cc: Likewise.
 508         * compressed_output.cc: Likewise.
 509         * compressed_output.h: Likewise.
 510         * configure: Likewise.
 511         * dwarf_reader.cc: Likewise.
 512         * dynobj.cc: Likewise.
 513         * dynobj.h: Likewise.
 514         * ehframe.cc: Likewise.
 515         * ehframe.h: Likewise.
 516         * errors.cc: Likewise.
 517         * expression.cc: Likewise.
 518         * fileread.cc: Likewise.
 519         * fileread.h: Likewise.
 520         * freebsd.h: Likewise.
 521         * i386.cc: Likewise.
 522         * icf.cc: Likewise.
 523         * incremental.h: Likewise.
 524         * layout.cc: Likewise.
 525         * layout.h: Likewise.
 526         * mapfile.cc: Likewise.
 527         * merge.cc: Likewise.
 528         * merge.h: Likewise.
 529         * object.cc: Likewise.
 530         * object.h: Likewise.
 531         * options.h: Likewise.
 532         * output.cc: Likewise.
 533         * output.h: Likewise.
 534         * parameters.cc: Likewise.
 535         * plugin.cc: Likewise.
 536         * powerpc.cc: Likewise.
 537         * reduced_debug_output.cc: Likewise.
 538         * reduced_debug_output.h: Likewise.
 539         * reloc.cc: Likewise.
 540         * reloc.h: Likewise.
 541         * resolve.cc: Likewise.
 542         * script-sections.cc: Likewise.
 543         * script.cc: Likewise.
 544         * script.h: Likewise.
 545         * sparc.cc: Likewise.
 546         * symtab.cc: Likewise.
 547         * symtab.h: Likewise.
 548         * target-select.cc: Likewise.
 549         * target-select.h: Likewise.
 550         * token.h: Likewise.
 551         * workqueue.cc: Likewise.
 552         * workqueue.h: Likewise.
 553         * x86_64.cc: Likewise.
 554
 555 2009-12-10  Doug Kwan  <dougkwan@google.com>
 556
 557         * arm.cc (attributes.h): New include.
 558         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
 559         (Arm_relobj::~Arm_relobj): Delete object pointed by
 560         attributes_section_data_.
 561         (Arm_relobj::attributes_section_data): New method definition.
 562         (Arm_relobj::attributes_section_data_): New data member declaration.
 563         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
 564         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
 565         attributes_section_data_.
 566         (Arm_dynobj::attributes_section_data): New method definition.
 567         (Arm_dynobj::attributes_section_data_): New data member declaration.
 568         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
 569         initialization value of may_use_blx_ to false.
 570         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
 571         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
 572         object attributes to compute results instead of hard-coding.
 573         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
 574         Target_arm::get_secondary_compatible_arch,
 575         Target_arm::set_secondary_compatible_arch
 576         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
 577         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
 578         New method declarations.
 579         (Target_arm::get_aeabi_object_attribute): New method definition.
 580         (Target_arm::attributes_section_data_): New data member declaration.
 581         (read_arm_attributes_section): New template definition.
 582         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
 583         (Arm_dynobj::do_read_symbols): Ditto.
 584         (Target_arm::do_finalize_sections): Merge attributes sections from
 585         input.  Check for BLX use after attributes section merging.
 586         Fix __exidx_start and __exidx_end visibility.  Create an
 587         .ARM.attributes section if necessary.
 588         (Target_arm::get_secondary_compatible_arch,
 589         Target_arm::set_secondary_compatible_arch,
 590         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
 591         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
 592         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
 593         New method definitions.
 594
 595 2009-12-09  Ian Lance Taylor  <iant@google.com>
 596
 597         * plugin.cc (Plugin::load): Don't cast from void* to a function
 598         pointer.
 599
 600 2009-12-09  Ian Lance Taylor  <iant@google.com>
 601
 602         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
 603         information fields.
 604
 605 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
 606
 607         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
 608         Replace two_file_shared_1.so with two_file_shared_2.so.
 609         * testsuite/Makefile.in: Regenerated.
 610
 611 2009-12-08  Doug Kwan  <dougkwan@google.com>
 612
 613         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
 614         (HFILES): Add attributes.h and int_encoding.h.
 615         * Makefile.in: Regenerate.
 616         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
 617         function definitions to int_encoding.cc
 618         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
 619         prototypes to int_encoding.h
 620         * reduced_debug_output.cc (int_encoding.h): New include.
 621         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
 622         function definitions to int_encoding.cc
 623         (insert_into_vector, read_from_pointer): Move template definitions to
 624         int_encoding.h
 625         * attributes.cc: New file.
 626         * attributes.h: New file.
 627         * int_encoding.cc: New file.
 628         * int_encoding.h: New file.
 629
 630 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
 631
 632         PR gold/11055
 633         * incremental-dump.cc (dump_incremental_inputs): New.
 634         (main): Use dump_incremental_inputs.
 635
 636 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
 637
 638         PR gold/10893
 639         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
 640         checking elfcpp::STT_FUNC.
 641         (Target_i386::Relocate::relocate): Likewise.
 642         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 643
 644         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
 645         symbols from shared libraries into normal FUNC symbols.
 646
 647         * symtab.h (Symbol): Add is_func and use it.
 648
 649 2009-12-05  Doug Kwan  <dougkwan@google.com>
 650
 651         * arm.cc (Target_arm::arm_info): Initialize new fields
 652         attributes_section and attributes_vendor.
 653         * i386.cc (Target_i386::i386_info): Same.
 654         * object.cc (Sized_relobj::do_layout): Skip attribute section.
 655         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
 656         fields attributes_section and attributes_vendor.
 657         * sparc.cc (Target_sparc::sparc_info): Same.
 658         * target.h (Target::attributes_section, Target::attributes_vendor,
 659         Target::is_attributes_section, Target::attribute_arg_type,
 660         Target::attributes_order): New method definitions.
 661         (Target::Target_info::attributes_section,
 662         Target::Target_info::attributes_vendor): New fields.
 663         (Target::do_attribute_arg_type, Target::do_attributes_order): New
 664         virtual method definitions.
 665         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
 666         attributes_section and attributes_vendor.
 667         * testsuite/testfile.cc (Target_test::test_target_info): Same.
 668
 669 2009-12-05  Doug Kwan  <dougkwan@google.com>
 670
 671         * arm.cc: Update comments about interworking and stub generation.
 672         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
 673         considered as non-PIC.
 674         (Arm_relocate_functions::base_abs): Fix formatting.
 675         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
 676         of function to use GOT entry address instead of offset.
 677         (Target_arm::Scan::global): Issue an error if a symbol would need a
 678         PLT does not get one because it is untyped.  Remove code to create
 679         dynamic symbols for relative branches.
 680         (Target_arm::Relocate::relocate: Use 0 instead of false since function
 681         takes unsigned integer instead of boolean.
 682
 683 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
 684
 685         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
 686         (two_file_test_LDADD): Likewise.
 687         (common_test_1_LDADD): Likewise.
 688         (exception_test_LDADD) Likewise.
 689         (weak_test_LDADD): Likewise.
 690         (many_sections_test_LDADD): Likewise.
 691         (initpri1_LDADD): Likewise.
 692         (script_test_1_LDADD): Likewise.
 693         (script_test_2_LDADD): Likewise.
 694         (justsyms_LDADD): Likewise.
 695         (binary_test_LDADD): Likewise.
 696         (large_LDADD): Likewise.
 697         * testsuite/Makefile.in: Regenerated.
 698
 699 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
 700
 701         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
 702         (Symbol_table::override_with_special): Likewise.
 703         (Symbol_table::add_from_object): Likewise.
 704
 705 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
 706
 707         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
 708         Don't set the data_offset twice.
 709
 710 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
 711
 712         * testsuite/Makefile.in: Regenerate.
 713
 714 2009-12-03  Doug Kwan  <dougkwan@google.com>
 715
 716         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
 717         (Target_arm::do_finalize_sections): Add parameter for symbol table
 718         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
 719         * i386.cc (Target_i386::do_finalize_sections): Add an additional
 720         parameter for symbol table pointer.
 721         * layout.cc (Layout::finalize): Call Target::finalize_sections with
 722         an additional parameter for a pointer to symbol table.
 723         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
 724         parameter for a symbol table pointer.
 725         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
 726         * target.h (Target::finalize_sections, Target::do_finalize_sections):
 727         Ditto.
 728         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
 729         parameter for a symbol table pointer.
 730
 731 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
 732
 733         * incremental.cc (Incremental_inputs_header)
 734         (Incremental_inputs_header_write, Incremental_inputs_entry)
 735         (Incremental_inputs_entry_write): Move ...
 736         * incremental.h (Incremental_inputs_header)
 737         (Incremental_inputs_header_write, Incremental_inputs_entry)
 738         (Incremental_inputs_entry_write): here.
 739
 740 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 741
 742         * incremental.cc (make_sized_incremental_binary): Set the target.
 743         Error if it is incompatible.
 744         * output.h (Output_file): Add filename method.
 745
 746 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 747
 748         * incremental.cc (Incremental_inputs_entry): Remove unused argument
 749         from the get_* methods.
 750
 751 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 752
 753         * incremental-dump.cc (main): Check that the offeset of a script is 0.
 754         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
 755         Write 0 for the data_offset of scripts.
 756
 757 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 758
 759         * testsuite/Makefile.am: Add the incremental_test.sh test.
 760         * testsuite/incremental_test.sh: New.
 761         * testsuite/incremental_test_1.c: New.
 762         * testsuite/incremental_test_2.c: New.
 763
 764 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
 765
 766        * incremental-dump.cc (main): Fix typos.
 767
 768 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
 769
 770         PR gold/11025
 771         * incremental-dump.cc (main): Use llu to print 64 bit values.
 772
 773 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
 774             H.J. Lu  <hongjiu.lu@intel.com>
 775
 776         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
 777         $(LIBDL).
 778         (incremental_dump_LDADD): Likewise.
 779         * Makefile.in: Regenerated.
 780
 781 2009-11-25  Doug Kwan  <dougkwan@google.com>
 782
 783         Revert:
 784
 785         2009-11-25  Doug Kwan  <dougkwan@google.com>
 786
 787                 * arm.cc (Target_arm::Target_arm): Move method definition
 788                 outside of class definition.  Add code to handle
 789                 --target1-rel, --target1-abs and --target2= options.
 790                 (Target_arm::get_reloc_reloc_type): Change method to be
 791                 non-static and const.
 792                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
 793                 New data member declaration.
 794                 (Target_arm::Scan::local, Target_arm::Scan::global,
 795                 Target_arm::Relocate::relocate,
 796                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 797                 Adjust call to Target_arm::get_real_reloc_type.
 798                 (Target_arm::get_real_reloc_type): Use command line options
 799                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 800                 * options.h (--target1-rel, --target1-abs, --target2): New
 801                 ARM-only options.
 802
 803 2009-11-25  Doug Kwan  <dougkwan@google.com>
 804
 805         * arm.cc (Target_arm::Target_arm): Move method definition outside of
 806         class definition.  Add code to handle --target1-rel, --target1-abs
 807         and --target2= options.
 808         (Target_arm::get_reloc_reloc_type): Change method to be non-static
 809         and const.
 810         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
 811         member declaration.
 812         (Target_arm::Scan::local, Target_arm::Scan::global,
 813         Target_arm::Relocate::relocate,
 814         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
 815         call to Target_arm::get_real_reloc_type.
 816         (Target_arm::get_real_reloc_type): Use command line options to
 817         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 818         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
 819         options.
 820
 821 2009-11-25  Doug Kwan  <dougkwan@google.com>
 822
 823         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
 824         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
 825         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
 826         formatting.
 827         (Arm_relocate_functions::thm_call): Replace body with a call to
 828         Arm_relocate_functions::thumb_branch_common.
 829         (Arm_relocate_functions::thm_jump24,
 830         Arm_relocate_functions::thm_xpc22): New method definitions.
 831         (Arm_relocate_functions::thumb_branch_common): New method definition.
 832         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
 833         operator.
 834         (Target_arm::Relocate::relocate): Adjust call to thm_call.
 835         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
 836
 837 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 838
 839         * Makefile.am: Build incremental-dump
 840         * Makefile.in: Regenerate.
 841         * incremental-dump.cc: New.
 842         * incremental.cc (Incremental_inputs_header_data,
 843         Incremental_inputs_entry_data): Move to incremental.h
 844         * incremental.h: (Incremental_inputs_header_data,
 845         Incremental_inputs_entry_data): Move from incremental.cc
 846
 847 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 848
 849         * incremental.cc (Incremental_inputs_header,
 850         Incremental_inputs_header_write, Incremental_inputs_entry,
 851         Incremental_inputs_entry_write): Add a typedef with the data type.
 852
 853 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 854
 855         * incremental.cc (Incremental_inputs_header,
 856         Incremental_inputs_header_write, Incremental_inputs_entry,
 857         Incremental_inputs_entry_write): Update comment about which
 858         type has the filed descriptions.
 859
 860 2009-11-15  Doug Kwan  <dougkwan@google.com>
 861
 862         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
 863         (Arm_relocate_functions::arm_branch_common): Change method defintion
 864         in class definition to a method declaration and update list of formal
 865         parameters.
 866         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
 867         Arm_relocation_functions::jump24): Adjust call to
 868         Arm_relocate_functions::arm_branch_common.  Update list of formal
 869         parameters.
 870         (Arm_relocate_functions::xpc25): New method definition.
 871         (Arm_relocate_functions::arm_branch_common): Move method defintion
 872         out from class definition.  Use stubs for mode-switching and extending
 873         branch ranges.
 874         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
 875         specially.  Change code to enable use of stubs in ARM branches.
 876
 877 2009-11-10  Doug Kwan  <dougkwan@google.com>
 878
 879         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
 880         in method declaration.
 881         (Target_arm::relocate_stub): New method declaration.
 882         (Target_arm::default_target): Change to return a pointer instead of
 883         a const reference.
 884         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
 885         Target_arm::default_target.
 886         (Arm_Relobj::do_relocate_sections): Remove options paramater in
 887         method definition.
 888         (Target_arm::relocate_section): Adjust view.
 889         (Target_arm::relocate_stub): New method definition.
 890
 891 2009-11-10  Doug Kwan  <dougkwan@google.com>
 892
 893         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
 894         a format warning.
 895         * incremental.cc (open_incremental_binary): Initialized local
 896         variables to avoid warnings.
 897         * object.cc (make_elf_object): Ditto.
 898         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
 899         a format warning.
 900
 901 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
 902
 903         PR gold/10930
 904         * testsuite/plugin_test.c: Include "config.h".
 905
 906 2009-11-09  Doug Kwan  <dougkwan@google.com>
 907
 908         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
 909         (arm_symbol_value): Remove.
 910         (Arm_relocate_functions::arm_branch_common,
 911         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
 912         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
 913         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
 914         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
 915         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
 916         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
 917         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
 918         Arm_relocate_functions::thm_mobw_abs_nc,
 919         Arm_relocate_functions::thm_mov_abs,
 920         Arm_relocate_functions::movw_prel_nc,
 921         Arm_relocate_functions::thm_movt_abs,
 922         Arm_relocate_functions::movt_prel,
 923         Arm_relocate_functions::thm_movw_prel_nc,
 924         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
 925         (Target_arm::Relocate::relocate): Only decompose address into two
 926         parts if relocation type uses the thumb-bit and pass the actual
 927         bit instead of a flag indicating that the thumb-bit is used.  Adjust
 928         calls to methods in Arm_relocate_functions for this change.
 929
 930 2009-11-08  Ian Lance Taylor  <iant@google.com>
 931
 932         PR 10925
 933         * reloc.cc: Instantiate
 934         Sized_relobj::initialize_input_to_output_maps and
 935         Sized_relobj:free_input_to_output_maps.
 936
 937 2009-11-06  Ian Lance Taylor  <iant@google.com>
 938
 939         PR 10876
 940         * defstd.cc (in_segment): Set only_if_ref true for "end".
 941
 942 2009-11-06  Doug Kwan  <dougkwan@google.com>
 943
 944         * arm.cc (class Reloc_stub): Correct a comment.
 945         (Target_arm::Target_arm): Initialize arm_input_section_map_.
 946         (Target_arm::scan_section_for_stubs): New method declaration.
 947         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
 948         Change methods from private to protected.
 949         (Target_arm::do_may_relax): New method definition.
 950         (Target_arm::do_relax, Target_arm::group_sections,
 951         Target_arm::scan_reloc_for_stub,
 952         Target_arm::scan_reloc_section_for_stubs): New method declarations.
 953         (Target_arm::arm_input_section_map_): New data member declaration.
 954         (Target_arm::scan_reloc_for_stub,
 955         Target_arm::scan_reloc_section_for_stubs,
 956         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
 957         Target_arm::do_relax): New method definitions.
 958
 959 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
 960
 961         * configure.ac: Check for (struct stat)::st_mtim
 962         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
 963         * config.in: Regenerate.
 964         * configure: Regenerate.
 965
 966 2009-11-05  Ian Lance Taylor  <iant@google.com>
 967
 968         PR 10910
 969         * output.cc (Output_segment::add_output_section): Add missing
 970         return statement.
 971
 972 2009-11-04  Ian Lance Taylor  <iant@google.com>
 973
 974         PR 10880
 975         * object.h (class Object): Add is_needed and set_is_needed
 976         methods.  Add is_needed_ field.  Make bool fields into bitfields.
 977         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
 978         defined in a dynamic object and referenced by a regular object,
 979         set is_needed for the dynamic object.
 980         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
 981         if the file is marked with as_needed and it is not needed.
 982
 983 2009-11-04  Ian Lance Taylor  <iant@google.com>
 984
 985         PR 10887
 986         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
 987         tags if data is discarded by linker script.
 988         * i386.cc (Target_i386::do_finalize_sections): Likewise.
 989         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
 990         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
 991         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 992
 993 2009-11-04  Ian Lance Taylor  <iant@google.com>
 994
 995         * layout.cc (Layout::get_output_section): Add is_interp and
 996         is_dynamic_linker_section parameters.  Change all callers.
 997         (Layout::choose_output_section): Likewise.
 998         (Layout::make_output_section): Likewise.
 999         (Layout::add_output_section_data): Add is_dynamic_linker_section
1000         parameter.  Change all callers.
1001         * layout.h (class Layout): Update declarations.
1002         * output.h (class Output_section): Add is_interp, set_is_interp,
1003         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
1004         Add is_interp_, is_dynamic_linker_section_ fields.  Change
1005         generate_code_fills_at_write_ to a bitfield.
1006         * output.cc (Output_section::Output_sections): Initialize new
1007         fields.
1008         (Output_segment::add_output_section): Add do_sort parameter.
1009         Change all callers.
1010
1011 2009-11-03  Ian Lance Taylor  <iant@google.com>
1012
1013         PR 10860
1014         * options.h (class General_options): Add --warn-common.
1015         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
1016         merging two common symbols.
1017         (Symbol_table::should_override): Handle --warn-common when merging
1018         a common symbol with a defined symbol.  Use report_resolve_problem
1019         for multiple definitions.
1020         (Symbol_table::report_resolve_problem): New function.
1021         * symtab.h (class Symbol_table): Declare report_resolve_problem.
1022
1023 2009-11-03  Doug Kwan  <dougkwan@google.com>
1024
1025         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
1026         stub_factory_.
1027         (Target_arm::stub_factory): New method definition.
1028         (Target_arm::new_arm_input_section,
1029         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
1030         Target_arm::reloc_uses_thumb_bit): New method declarations.
1031         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
1032         New type definitions.
1033         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
1034         member declarations.
1035         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
1036         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
1037         New method definitions.
1038
1039 2009-11-03  Ian Lance Taylor  <iant@google.com>
1040
1041         * options.h (class General_options): Add --warn_constructors.
1042
1043 2009-11-03  Ian Lance Taylor  <iant@google.com>
1044
1045         PR 10893
1046         * defstd.cc (in_section): Add entries for __rel_iplt_start,
1047         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
1048
1049 2009-11-03  Ian Lance Taylor  <iant@google.com>
1050
1051         PR 10895
1052         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
1053         --msgid-bugs-address.
1054         (install-pdf): New target.
1055         (install-data_yes): Look up one directory to find mkinstalldirs.
1056
1057 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
1058
1059         * po/Make-in (.po.gmo): Don't generate .gmo files in source
1060         tree.
1061
1062 2009-10-30  Doug Kwan  <dougkwan@google.com>
1063
1064         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
1065
1066 2009-10-30  Doug Kwan  <dougkwan@google.com>
1067
1068         * arm.cc (Stub_addend_reader): New struct template definition
1069         and partial specializations.
1070         (Stub_addend_reader::operator()): New method definition for a
1071         partially specialized template.
1072
1073 2009-10-30  Doug Kwan  <dougkwan@google.com>
1074
1075         * arm.cc (Arm_relobj::processor_specific_flags): New method
1076         definition.
1077         (Arm_relobj::do_read_symbols): New method declaration.
1078         (Arm_relobj::processor_specific_flags_): New data member declaration.
1079         (Arm_dynobj): New class definition.
1080         (Target_arm::do_finalize_sections): Add input_objects parameter.
1081         (Target_arm::do_adjust_elf_header): New method declaration.
1082         (Target_arm::are_eabi_versions_compatible,
1083         (Target_arm::merge_processor_specific_flags): New method declaration.
1084         (Target_arm::do_make_elf_object): New overloaded method definitions
1085         and declaration.
1086         (Arm_relobj::do_read_symbols): New method definition.
1087         (Arm_dynobj::do_read_symbols): Ditto.
1088         (Target_arm::do_finalize_sections): Add input_objects parameters.
1089         Merge processor-specific flags from all input objects.
1090         (Target_arm::are_eabi_versions_compatible,
1091         Target_arm::merge_processor_specific_flags,
1092         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
1093         New method definitions.
1094         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
1095         Input_objects pointer type parameter.
1096         * layout.cc (Layout::finalize): Pass input objects to target's.
1097         finalize_sections function.
1098         * output.cc (Output_file_header::do_sized_write): Set ELF file
1099         header's processor-specific flags.
1100         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
1101         Input_objects pointer type parameter.
1102         * sparc.cc (Target_sparc::do_finalize_sections): Same.
1103         * target.h (Input_objects): New forward class declaration.
1104         (Target::processor_specific_flags,
1105         Target::are_processor_specific_flags_sect): New method definitions.
1106         (Target::finalize_sections): Add input_objects parameter.
1107         (Target::Target): Initialize processor_specific_flags_ and
1108         are_processor_specific_flags_set_.
1109         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1110         parameter.
1111         (Target::set_processor_specific_flags): New method definition.
1112         (Target::processor_specific_flags_,
1113         Target::are_processor_specific_flags_set_): New data member
1114         declarations.
1115         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
1116         Input_objects pointer type parameter.
1117
1118 2009-10-30  Doug Kwan  <dougkwan@google.com>
1119
1120         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
1121
1122 2009-10-28  Ian Lance Taylor  <iant@google.com>
1123
1124         * object.h (class Relobj): Drop options parameter from
1125         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
1126         do_scan_relocs, do_relocate.  Change all callers.
1127         (class Sized_relobj): Drop options parameters from
1128         do_gc_process_relocs, do_scan_relocs, do_relocate,
1129         do_relocate_sections, relocate_sections, emit_relocs_scan,
1130         emit_relocs_scan_reltype.  Change all callers.
1131         (struct Relocate_info): Remove options field and all references to
1132         it.
1133         * reloc.h (class Read_relocs): Remove options constructor
1134         parameter and options_ field.  Change all callers.
1135         (class Gc_process_relocs, class Scan_relocs): Likewise.
1136         (class Relocate_task): Likewise.
1137         * target-reloc.h (scan_relocs): Remove options parameter.  Change
1138         all callers.
1139         (scan_relocatable_relocs): Likewise.
1140         * target.h (class Sized_target): Remove options parameter from
1141         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
1142         all callers.
1143         * gc.h (gc_process_relocs): Remove options parameter.  Change all
1144         callers.
1145         * arm.cc: Update functions to remove options parameters.
1146         * i386.cc: Likewise.
1147         * powerpc.cc: Likewise.
1148         * sparc.cc: Likewise.
1149         * x86_64.cc: Likewise.
1150         * testsuite/testfile.cc: Likewise.
1151
1152 2009-10-28  Doug Kwan  <dougkwan@google.com>
1153
1154         * arm.cc (Arm_relobj): New class definition.
1155         (Arm_relobj::scan_sections_for_stubs,
1156         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1157         New method definitions.
1158
1159 2009-10-28  Cary Coutant  <ccoutant@google.com>
1160
1161         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1162         (Plugin::cleanup_done_): New member.
1163         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1164         (Plugin_manager::cleanup_done_): Remove.
1165         (Plugin_manager::add_input_file): Edit error message.
1166         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1167         (Plugin_manager::cleanup): Remove use of cleanup_done_.
1168
1169 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
1170
1171         * fileread.cc: (File_read::View::~View): Use the new
1172         data_ownership_ filed.
1173         (File_read::~File_read): Dispose the new whole_file_view_.
1174         (File_read::open): Mmap the whole file if needed.
1175         (File_read::open): Use whole_file_view_ instead of contents_.
1176         (File_read::find_view): Use whole_file_view_ if applicable.
1177         (File_read::do_read): Use whole_file_view_ instead of contents_.
1178         (File_read::make_view): Use whole_file_view_ instead of contents_,
1179         update File_read::View::View call.
1180         (File_read::find_or_make_view): Update File_read::View::View
1181         call.
1182         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1183         remove contents_
1184         (File_read::View::Data_ownership): New enum.
1185         (File_read::View::View): Replace bool mapped_ with Data_ownership
1186         argument.
1187         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1188         (File_read::View::data_ownership_): New field.
1189         (File_read::contents_): Remove (replaced by whole_file_view_).
1190         (File_read::whole_file_view_): New field.
1191         * options.h (class General_options): Add --keep-files-mapped.
1192
1193 2009-10-27  Cary Coutant  <ccoutant@google.com>
1194
1195         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1196         * testsuite/Makefile.am (plugin_test_5): New test case.
1197         * testsuite/Makefile.in: Regenerate.
1198
1199 2009-10-25  Doug Kwan  <dougkwan@google.com>
1200
1201         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1202         from private to protected to allow access by child class.
1203         (Sized_relobj::do_relocate_sections): New method declaration.
1204         (Sized_relobj::relocate_sections): Virtualize.
1205         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
1206         Sized_relobj::relocate_sections.  Instantiate template explicitly
1207         for different target sizes and endianity.
1208
1209 2009-10-24  Doug Kwan  <dougkwan@google.com>
1210
1211         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1212         (Arm_input_section::as_arm_input_section): New method.
1213         (Arm_output_section): New class definition.
1214         (Arm_output_section::create_stub_group,
1215         Arm_output_section::group_sections): New method definitions.
1216
1217 2009-10-22  Doug Kwan  <dougkwan@google.com>
1218
1219         * arm.cc (Arm_input_section): New class definition.
1220         (Arm_input_section::init, Arm_input_section:do_write,
1221         Arm_input_section::set_final_data_size,
1222         Arm_input_section::do_reset_address_and_file_offset): New method
1223         definitions.
1224
1225 2009-10-21  Doug Kwan  <dougkwan@google.com>
1226
1227         * arm.cc (Stub_table, Arm_input_section): New forward class
1228         declarations.
1229         (Stub_table): New class defintion.
1230         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1231         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1232         New method definition.
1233
1234 2009-10-21  Doug Kwan  <dougkwan@google.com>
1235
1236         * arm.cc: Update copyright comments.
1237         (Target_arm): New forward class template declaration.
1238         (Arm_address): New type.
1239         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1240         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1241         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1242         constants.
1243         (Insn_template): Same.
1244         (DEF_STUBS): New macro.
1245         (Stub_type): New enum type.
1246         (Stub_template): New class definition.
1247         (Stub): Same.
1248         (Reloc_stub): Same.
1249         (Stub_factory): Same.
1250         (Target_arm::Target_arm): Initialize may_use_blx_ and
1251         should_force_pic_veneer_.
1252         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1253         Target_arm::should_force_pic_veneer,
1254         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1255         Target_arm::using_thumb_only, Target_arm:;default_target): New
1256         method defintions.
1257         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1258         New data member declarations.
1259         (Insn_template::size, Insn_template::alignment): New method defintions.
1260         (Stub_template::Stub_template): New method definition.
1261         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1262         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1263         (Stub_factory::Stub_factory): New method definition.
1264         * gold.h (string_hash): New template.
1265         * output.h (Input_section_specifier::hash_value): Use
1266         gold::string_hash.
1267         (Input_section_specifier::string_hash): Remove.
1268         * stringpool.cc (Stringpool_template::string_hash): Use
1269         gold::string_hash.
1270
1271 2009-10-20  Doug Kwan  <dougkwan@google.com>
1272
1273         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1274         symbols of relaxed input sections.
1275         * output.h (Output_section::find_relaxed_input_section): Make
1276         method public.
1277
1278 2009-10-16  Doug Kwan  <dougkwan@google.com>
1279
1280         * dynobj.cc (Versions::Versions): Initialize version_script_.
1281         Only insert base version symbol definition for a shared object
1282         if version script defines any version versions.
1283         (Versions::define_base_version): New method definition.
1284         (Versions::add_def): Check that base version is not needed.
1285         (Versions::add_need): Define base version lazily.
1286         * dynobj.h (Versions::define_base_version): New method declaration.
1287         (Versions::needs_base_version_): New data member declaration.
1288         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1289         (check_DATA): Add no_version_test.stdout.
1290         (libno_version_test.so, no_version_test.o no_version_test.stdout):
1291         New make rules.
1292         * testsuite/Makefile.in: Regenerate.
1293         * testsuite/no_version_test.c: New file.
1294         * testsuite/no_version_test.sh: Ditto.
1295
1296 2009-10-16  Doug Kwan  <dougkwan@google.com>
1297
1298         * expression.cc (class Segment_start_expression): New class definition.
1299         (Segment_start_expression::value): New method definition.
1300         (script_exp_function_segment_start): Return a new
1301         Segment_start_expression.
1302         * gold/script-c.h (script_saw_segment_start_expression): New function
1303         prototype.
1304         * script-sections.cc (Script_sections::Script_sections): Initialize
1305         SAW_SEGMENT_START_EXPRESSION_ to false.
1306         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1307         and -Tbbs options to specify section addresses if given in
1308         command line and no SEGMENT_START expression is seen in a script.
1309         * script-sections.h (Script_sections::saw_segment_start_expression,
1310         Script_sections::set_saw_segment_start_expression): New method
1311         definition.
1312         (Script_sections::saw_segment_start_expression_): New data member
1313         declaration.
1314         * script.cc (script_saw_segment_start_expression): New function.
1315         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1316         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1317         script_test_7.sh and script_test_8.sh.
1318         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1319         script_test_8.stdout.
1320         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1321         (script_test_6, script_test_6.stdout, script_test_7,
1322         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1323         * Makefile.in: Regenerate.
1324         * testsuite/script_test_6.sh: New file.
1325         * testsuite/script_test_6.t: Same.
1326         * testsuite/script_test_7.sh: Same.
1327         * testsuite/script_test_7.t: Same.
1328         * testsuite/script_test_8.sh: Same.
1329
1330 2009-10-16  Doug Kwan  <dougkwan@google.com>
1331
1332         * output.cc (Output_segment::set_section_list_address): Cast
1333         expressions to unsigned long long type to avoid format warnings.
1334
1335 2009-10-15  Ian Lance Taylor  <iant@google.com>
1336
1337         * script.cc (Script_options::add_symbol_assignment): Always add a
1338         dot assignment to script_sections_.
1339         * script-sections.cc (Script_sections::add_dot_assignment):
1340         Initialize if necessary.
1341
1342         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1343         program headers with no load segment if there is a linker script.
1344
1345         * layout.cc (Layout::set_segment_offsets): Align the file offset
1346         to the segment aligment for -N or -n with no load segment.
1347         * output.cc (Output_segment::add_output_section): Don't crash if
1348         the first section is a TLS section.
1349         (Output_segment::set_section_list_addresses): Print an error
1350         message if the address moves backward in a linker script.
1351         * script-sections.cc
1352         (Output_section_element_input::set_section_addresses): Don't
1353         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1354         (Orphan_output_section::set_section_addresses): Likewise.
1355
1356 2009-10-15  Doug Kwan  <dougkwan@google.com>
1357
1358         * layout.cc (Layout::finish_dynamic_section): Generate tags
1359         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1360         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1361         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1362
1363 2009-10-14  Ian Lance Taylor  <iant@google.com>
1364
1365         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1366         fields.
1367         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1368         data_shdr fields of relinfo.
1369         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1370         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
1371         R_386_TLS_LDO_32, adjust based on section flags.
1372         (Target_i386::Relocate::fix_up_ldo): Remove.
1373
1374 2009-10-13  Ian Lance Taylor  <iant@google.com>
1375
1376         Add support for -pie.
1377         * options.h (class General_options): Add -pie and
1378         --pic-executable.
1379         (General_options::output_is_position_independent): Test -pie.
1380         (General_options::output_is_executable): Return true if not shared
1381         and not relocatable.
1382         (General_options::output_is_pie): Remove.
1383         * options.cc (General_options::finalize): Reject incompatible uses
1384         of -pie.
1385         * gold.cc (queue_middle_tasks): A -pie link is not static.
1386         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1387         * symtab.cc (Symbol::final_value_is_known): Return false if
1388         output_is_position_independent.
1389         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1390         output_is_position_independent.
1391         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1392         output_is_position_independent.
1393         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1394         output_is_position_independent.
1395         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1396         two_file_pie_test.
1397         (basic_pie_test.o, basic_pie_test): New targets.
1398         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1399         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1400         (two_file_pie_test): New target.
1401         * testsuite/Makefile.in: Rebuild.
1402         * README: Remove note saying that -pie is not supported.
1403
1404 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1405
1406         * options.h (class General_options): Add -init and -fini.
1407         * layout.cc (Layout::finish_dynamic_section): Emit
1408         given init and fini functions.
1409
1410 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
1411
1412         * gc.h (gc_process_relocs): Check if icf is enabled using new
1413         function.
1414         * gold.cc (queue_initial_tasks): Likewise.
1415         (queue_middle_tasks): Likewise.
1416         * object.cc (do_layout): Likewise.
1417         * symtab.cc (is_section_folded): Likewise.
1418         * main.cc (main): Likewise.
1419         * reloc.cc (Read_relocs::run): Likewise.
1420         (Sized_relobj::do_scan_relocs): Likewise.
1421         * icf.cc (is_function_ctor_or_dtor): New function.
1422         (Icf::find_identical_sections): Check if function is ctor or dtor when
1423         safe icf is chosen.
1424         * options.h (General_options::icf): Change option to be an enum.
1425         (Icf_status): New enum.
1426         (icf_enabled): New method.
1427         (icf_safe_folding): New method.
1428         (set_icf_status): New method.
1429         (icf_status_): New variable.
1430         * (options.cc) (General_options::finalize): Set icf_status_.
1431         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1432         icf_test and icf_keep_unique_test to use the --icf enum flag.
1433         * testsuite/icf_safe_test.sh: New file.
1434         * testsuite/icf_safe_test.cc: New file.
1435
1436 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1437
1438         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1439         includes to gc.h and icf.h.
1440         * arm.cc: Include gc.h.
1441         * gold.cc: Likewise.
1442         * i386.cc: Likewise.
1443         * powerpc.cc: Likewise.
1444         * sparc.cc: Likewise.
1445         * x86_64.cc: Likewise.
1446         * gc.h: Include icf.h.
1447
1448 2009-10-11  Ian Lance Taylor  <iant@google.com>
1449
1450         * plugin.cc: Include "gold.h" before other header files.
1451
1452 2009-10-10  Chris Demetriou  <cgd@google.com>
1453
1454         * options.h (Input_file_argument::Input_file_type): New enum.
1455         (Input_file_argument::is_lib_): Replace with...
1456         (Input_file_argument::type_): New member.
1457         (Input_file_argument::Input_file_argument): Take Input_file_type
1458         'type' rather than boolean 'is_lib' as second argument.
1459         (Input_file_argument::is_lib): Use type_.
1460         (Input_file_argument::is_searched_file): New function.
1461         (Input_file_argument::may_need_search): Handle is_searched_file.
1462         * options.cc (General_options::parse_library): Support -l:filename.
1463         (General_options::parse_just_symbols): Update for Input_file_argument
1464         changes.
1465         (Command_line::process): Likewise.
1466         * archive.cc (Archive::get_file_and_offset): Likewise.
1467         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1468         * script.cc (read_script_file, script_add_file): Likewise.
1469         * fileread.cc (Input_file::Input_file): Likewise.
1470         (Input_file::will_search_for): Handle is_searched_file.
1471         (Input_file::open): Likewise.
1472         * readsyms.cc (Read_symbols::get_name): Likewise.
1473         * testsuite/Makefile.am (searched_file_test): New test.
1474         * testsuite/Makefile.in: Regenerate.
1475         * testsuite/searched_file_test.cc: New file.
1476         * testsuite/searched_file_test_lib.cc: New file.
1477
1478 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1479             Ian Lance Taylor  <iant@google.com>
1480
1481         * descriptor.cc: Include <cstdio> and "binary-io.h".
1482         (Descriptors::open): Open the files in binary mode always.
1483         * script.cc (Lex::get_token): Treat \r as whitespace.
1484
1485 2009-10-09  Ian Lance Taylor  <iant@google.com>
1486
1487         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1488
1489 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1490             Ian Lance Taylor  <iant@google.com>
1491
1492         * configure.ac: Check for readv function also.
1493         * fileread.cc (readv): Define if not HAVE_READV.
1494         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1495         does not exist.
1496         * config.in: Regenerate.
1497         * configure: Regenerate.
1498
1499 2009-10-09  Doug Kwan  <dougkwan@google.com>
1500
1501         * layout.cc (Layout::make_output_section): Call target hook to make
1502         ordinary output section.
1503         (Layout::finalize): Adjust parameter list of call the
1504         Target::may_relax().
1505         * layout.h (class Layout::section_list): New method.
1506         * merge.h (Output_merge_base::entsize): Change visibility to public.
1507         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1508         New methods.
1509         (Output_merge_string::do_is_string): New method.
1510         * object.cc (Sized_relobj::do_setup): renamed from
1511         Sized_relobj::set_up.
1512         * object.h (Sized_relobj::adjust_shndx,
1513         Sized_relobj::initializ_input_to_output_maps,
1514         Sized_relobj::free_input_to_output_maps): Change visibilities to
1515         protected.
1516         (Sized_relobj::setup): Virtualize.
1517         (Sized_relobj::do_setup): New method declaration.
1518         (Sized_relobj::invalidate_section_offset,
1519         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1520         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1521         * options.cc (parse_int): New function.
1522         * options.h (parse_int): New declaration.
1523         (DEFINE_int): New macro.
1524         (stub_group_size): New option.
1525         * output.cc (Output_section::Output_section): Initialize memebers
1526         merge_section_map_, merge_section_by_properties_map_,
1527         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1528         (Output_section::add_input_section): Handled deferred code-fill
1529         generation and remove an old comment.
1530         (Output_section::add_relaxed_input_section): New method definition.
1531         (Output_section::add_merge_input_section): Use merge section by
1532         properties map to speed to search.  Update merge section maps
1533         as appropriate.
1534         (Output_section::build_relaxation_map): New method definition.
1535         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1536         Same.
1537         (Output_section::relax_input_section): Renamed to
1538         Output_section::convert_input_sections_to_relaxed_sections and change
1539         interface to take a vector of pointers to relaxed sections.
1540         (Output_section::find_merge_section,
1541         Output_section::find_relaxed_input_section): New method definitions.
1542         (Output_section::is_input_address_mapped,
1543         Output_section::output_offset, Output_section::output_address):
1544         Use output section data maps to speed up searching.
1545         (Output_section::find_starting_output_address): Add comments.
1546         (Output_section::do_write,
1547         Output_section::write_to_postprocessing_buffer): Do code-fill
1548         generation as appropriate.
1549         (Output_section::get_input_sections): Invalidate relaxed input section
1550         map.
1551         (Output_section::restore_states): Adjust type of checkpoint .
1552         Invalidate relaxed input section map.
1553         * output.h (Output_merge_base): New class declaration.
1554         (Input_section_specifier): New class defintion.
1555         (class Output_relaxed_input_section) Change base class to
1556         Output_section_data_build.
1557         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1558         base class initializer.
1559         (Output_section::add_relaxed_input_section): New method declaration.
1560         (Output_section::Input_section): Change visibility to protected.
1561         (Output_section::Input_section::relobj,
1562         Output_section::Input_section::shndx): Handle relaxed input sections.
1563         Output_section::input_sections) Change visibility to protected.  Also
1564         define overload to return a non-const pointer.
1565         (Output_section::Merge_section_properties): New class defintion.
1566         (Output_section::Merge_section_by_properties_map,
1567         Output_section::Output_section_data_by_input_section_map,
1568         Output_section::Relaxation_map): New types.
1569         (Output_section::relax_input_section): Rename method to
1570         Output_section::convert_input_sections_to_relaxed_sections and change
1571         interface to take a vector of relaxed section pointers.
1572         (Output_section::find_merge_section,
1573         Output_section::find_relaxed_input_section,
1574         Output_section::build_relaxation_map,
1575         Output_section::convert_input_sections_in_list_to_relaxed_sections):
1576         New method declarations.
1577         (Output_section::merge_section_map_
1578         Output_section::merge_section_by_properties_map_,
1579         Output_section::relaxed_input_section_map_,
1580         Output_section::is_relaxed_input_section_map_valid_,
1581         Output_section::generate_code_fills_at_write_): New data members.
1582         * script-sections.cc
1583         (Output_section_element_input::set_section_addresses): Call
1584         current_data_size and addralign methods of relaxed input sections.
1585         (Orphan_output_section::set_section_addresses): Call current_data_size
1586         and addralign methods of relaxed input sections.
1587         * symtab.cc (Symbol_table::compute_final_value): Extract template
1588         from the body of Symbol_table::sized_finalize_symbol.
1589         (Symbol_table::sized_finalized_symbol): Call
1590         Symbol_table::compute_final_value.
1591         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1592         (Symbol_table::compute_final_value): New templated method declaration.
1593         * target.cc (Target::do_make_output_section): New method defintion.
1594         * target.h (Target::make_output_section): New method declaration.
1595         (Target::relax): Add more parameters for input objects, symbol table
1596         and layout.  Adjust call to do_relax.
1597         (Target::do_make_output_section): New method declaration.
1598         (Target::do_relax): Add parameters for input objects, symbol table
1599         and layout.
1600
1601 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1602
1603         * pread.c: Include stdio.h.
1604
1605 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1606
1607         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1608         defined.
1609
1610 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1611
1612         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1613         Change read_shndx type to unsigned int.
1614         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1615         int.
1616         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1617         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1618         Change read_shndx type to unsigned int.
1619         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1620         int.
1621         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1622         * layout.cc (Layout::create_symtab_sections): Cast the result of
1623         local_symcount * symsize to off_t in the gold_assert.
1624
1625 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1626
1627         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1628         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1629         R_ARM_BASE_ABS.
1630         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1631         (Arm_relocate_functions::thm_abs5): New function.
1632         (Arm_relocate_functions::abs12): New function.
1633         (Arm_relocate_functions::abs16): New function.
1634         (Arm_relocate_functions::base_abs): New function.
1635         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1636         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
1637         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1638         R_ARM_BASE_ABS.
1639         (Scan::global): Likewise.
1640         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1641         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1642         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1643         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1644         R_ARM_BASE_ABS.
1645
1646 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1647
1648         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1649         (Arm_relocate_functions::movt_prel): New function.
1650         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1651         (Arm_relocate_functions::thm_movt_prel): New function.
1652         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1653         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1654         (Scan::global, Relocate::relocate): Likewise.
1655         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1656
1657 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1658
1659         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1660         Incremental_checker.
1661         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1662         unsigned int.
1663         (class Incremental_inputs_header): New class.
1664         (Incremental_inputs_header_writer): Edit comment.
1665         (Incremental_inputs_entry): New class.
1666         (Incremental_inputs_entry_writer): Edit comment.
1667         (Sized_incremental_binary::do_find_incremental_inputs_section):
1668         Add *strtab_shndx parameter, fill it.
1669         (Sized_incremental_binary::do_check_inputs): New method.
1670         (Incremental_checker::can_incrementally_link_output_file): Use
1671         Sized_incremental_binary::check_inputs.
1672         (Incremental_inputs::report_command_line): Save command line in
1673         command_line_.
1674         * incremental.h:
1675         (Incremental_binary::find_incremental_inputs_section): New
1676         method.
1677         (Incremental_binary::do_find_incremental_inputs_section): Add
1678         strtab_shndx parameter.
1679         (Incremental_binary::do_check_inputs): New pure virtual method.
1680         (Sized_incremental_binary::do_check_inputs): Declare.
1681         (Incremental_checker::Incremental_checker): Add incremental_inputs
1682         parameter, use it to initialize incremental_inputs_.
1683         (Incremental_checker::incremental_inputs_): New field.
1684         (Incremental_checker::command_line): New method.
1685         (Incremental_checker::inputs): New method.
1686         (Incremental_checker::command_line_): New field.
1687
1688 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1689
1690         * incremental.cc: Include <cstdarg> and "target-select.h".
1691         (vexplain_no_incremental): New function.
1692         (explain_no_incremental): New function.
1693         (Incremental_binary::error): New method.
1694         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1695         method.
1696         (make_sized_incremental_binary): New function.
1697         (open_incremental_binary): New function.
1698         (can_incrementally_link_file): Add checks if output is ELF and has
1699         inputs section.
1700         * incremental.h: Include "elfcpp_file.h" and "output.h".
1701         (Incremental_binary): New class.
1702         (Sized_incremental_binary): New class.
1703         (open_incremental_binary): Declare.
1704         * object.cc (is_elf_object): Use
1705         elfcpp::Elf_recognizer::is_elf_file.
1706         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1707         * output.h (Output_file::filesize): New method.
1708
1709 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1710
1711         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1712         New function.
1713         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1714         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1715         function.
1716         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1717         function.
1718         (Arm_relocate_functions::movw_abs_nc): New function.
1719         (Arm_relocate_functions::movt_abs): New function.
1720         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1721         (Arm_relocate_functions::thm_movt_abs): New function.
1722         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1723         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1724         (Scan::global): Likewise.
1725         (Relocate::relocate): Likewise.
1726         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1727
1728 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1729
1730         * arm.cc (Arm_relocate_functions::got_prel) New function.
1731         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1732         (Relocate::relocate): Likewise.
1733         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1734
1735 2009-10-06  Ian Lance Taylor  <iant@google.com>
1736
1737         * options.h (class General_options): Define
1738         split_stack_adjust_size parameter.
1739         * object.h (class Object): Add uses_split_stack_ and
1740         has_no_split_stack_ fields.  Add uses_split_stack and
1741         has_no_split_stack accessor functions.  Declare
1742         handle_split_stack_section.
1743         (class Reloc_symbol_changes): Define.
1744         (class Sized_relobj): Define Function_offsets.  Declare
1745         split_stack_adjust, split_stack_adjust_reltype, and
1746         find_functions.
1747         * object.cc (Object::handle_split_stack_section): New function.
1748         (Sized_relobj::do_layout): Call handle_split_stack_section.
1749         * dynobj.cc (Sized_dynobj::do_layout): Call
1750         handle_split_stack_section.
1751         * reloc.cc (Sized_relobj::relocate_sections): Call
1752         split_stack_adjust for executable sections in split_stack
1753         objects.  Pass reloc_map to relocate_section.
1754         (Sized_relobj::split_stack_adjust): New function.
1755         (Sized_relobj::split_stack_adjust_reltype): New function.
1756         (Sized_relobj::find_functions): New function.
1757         * target-reloc.h: Include "object.h".
1758         (relocate_section): Add reloc_symbol_changes parameter.  Change
1759         all callers.
1760         * target.h (class Target): Add calls_non_split method.  Declare
1761         do_calls_non_split virtual method.  Declare match_view and
1762         set_view_to_nop.
1763         * target.cc: Include "elfcpp.h".
1764         (Target::do_calls_non_split): New function.
1765         (Target::match_view): New function.
1766         (Target::set_view_to_nop): New function.
1767         * gold.cc (queue_middle_tasks): Give an error if mixing
1768         split-stack and non-split-stack objects with -r.
1769         * i386.cc (Target_i386::relocate_section): Add
1770         reloc_symbol_changes parameter.
1771         (Target_i386::do_calls_non_split): New function.
1772         * x86_64.cc (Target_x86_64::relocate_section): Add
1773         reloc_symbol_changes parameter.
1774         (Target_x86_64::do_calls_non_split): New function.
1775         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1776         parameter.
1777         * powerpc.cc (Target_powerpc::relocate_section): Add
1778         reloc_symbol_changes parameter.
1779         * sparc.cc (Target_sparc::relocate_section): Add
1780         reloc_symbol_changes parameter.
1781         * configure.ac: Call AM_CONDITIONAL for the default target.
1782         * configure: Rebuild.
1783         * testsuite/Makefile.am (TEST_AS): New variable.
1784         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1785         (check_DATA): Add split_i386 and split_x86_64 files.
1786         (SPLIT_DEFSYMS): Define.
1787         (split_i386_[1234n].o): New targets.
1788         (split_i386_[124]): New targets.
1789         (split_i386_[1234r].stdout): New targets.
1790         (split_x86_64_[1234n].o): New targets.
1791         (split_x86_64_[124]): New targets.
1792         (split_x86_64_[1234r].stdout): New targets.
1793         (MOSTLYCLEANFILES): Add new executables.
1794         * testsuite/split_i386.sh: New file.
1795         * testsuite/split_x86_64.sh: New file.
1796         * testsuite/split_i386_1.s: New file.
1797         * testsuite/split_i386_2.s: New file.
1798         * testsuite/split_i386_3.s: New file.
1799         * testsuite/split_i386_4.s: New file.
1800         * testsuite/split_i386_n.s: New file.
1801         * testsuite/split_x86_64_1.s: New file.
1802         * testsuite/split_x86_64_2.s: New file.
1803         * testsuite/split_x86_64_3.s: New file.
1804         * testsuite/split_x86_64_4.s: New file.
1805         * testsuite/split_x86_64_n.s: New file.
1806         * testsuite/testfile.cc (Target_test): Update relocation_section
1807         function.
1808         * testsuite/Makefile.in: Rebuild.
1809
1810 2009-10-06  Ian Lance Taylor  <iant@google.com>
1811
1812         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1813         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1814         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1815         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1816         the address on ldo_addrs_.
1817         (Target_i386::Relocate::fix_up_ldo): New function.
1818
1819 2009-10-06   Rafael Espindola  <espindola@google.com>
1820
1821         * plugin.cc (add_input_library): New.
1822         (Plugin::load): Add add_input_library to tv.
1823         (Plugin_manager::add_input_file): Add the is_lib argument.
1824         (add_input_file): Update call to Plugin_manager::add_input_file.
1825         (add_input_library): New.
1826         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1827
1828 2009-09-30  Doug Kwan  <dougkwan@google.com>
1829
1830         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1831         symbol and call Symbol::may_need_copy_reloc to determine if
1832         a copy reloc is needed.
1833         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1834         nocopyreloc is given in command line.
1835         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1836         given in command line.
1837         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1838         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1839         of the removed Target_i386::may_need_copy_reloc.
1840         * options.h (copyreloc): New option with default value false.
1841         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1842         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1843         instead of the removed Target_powerpc::may_need_copy_reloc.
1844         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1845         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1846         instead of the removed Target_sparc::may_need_copy_reloc.
1847         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1848         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1849         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1850         instead of the removed Target_x86_64::may_need_copy_reloc.
1851
1852 2009-09-30  Ian Lance Taylor  <iant@google.com>
1853
1854         * object.h (class Object): Remove target_ field, and target,
1855         sized_target, and set_target methods.
1856         (Object::sized_target): Remove.
1857         (class Sized_relobj): Update declarations.  Remove sized_target.
1858         * object.cc (Sized_relobj::setup): Remove target parameter.
1859         Change all callers.
1860         (Input_objects::add_object): Don't do anything with the target.
1861         (make_elf_sized_object): Add punconfigured parameter.  Change all
1862         callers.  Set or test parameter target.
1863         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1864         Change all callers.
1865         * parameters.cc (Parameters::set_target): Change parameter type to
1866         be non-const.
1867         (Parameters::default_target): Remove.
1868         (set_parameters_target): Change parameter type to be non-const.
1869         (parameters_force_valid_target): New function.
1870         (parameters_clear_target): New function.
1871         * parameters.h (class Parameters): Update declarations.  Remove
1872         default_target method.  Add sized_target and clear_target
1873         methods.  Change target_ to be non-const.
1874         (set_parameters_target): Update declaration.
1875         (parameters_force_valid_target): Declare.
1876         (parameters_clear_target): Declare.
1877         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1878         as NULL if we aren't searching.
1879         (Add_symbols::run): Don't check for compatible target.
1880         * fileread.cc (Input_file::open_binary): Call
1881         parameters_force_valid_target.
1882         * gold.cc (queue_middle_tasks): Likewise.
1883         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1884         set_target on object.
1885         * dynobj.h (class Sized_dynobj): Update declarations.
1886         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1887         make_elf_object returns NULL.
1888         (Archive::include_member): Don't check whether object target is
1889         compatible.
1890         * output.cc (Output_section::add_input_section): Get target from
1891         parameters.
1892         (Output_section::relax_input_section): Likewise.
1893         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1894         parameters.
1895         (Sized_relobj::do_scan_relocs): Likewise.
1896         (Sized_relobj::relocate_sections): Likewise.
1897         * resolve.cc (Symbol_table::resolve): Likewise.
1898         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1899         parameter.  Change all callers.
1900         (Symbol_table::add_from_object): Get target from parameters.
1901         (Symbol_table::add_from_relobj): Don't check object target.
1902         (Symbol_table::add_from_dynobj): Likewise.
1903         (Symbol_table::define_special_symbol): Get target from
1904         parameters.
1905         * symtab.h (class Symbol_table): Update declaration.
1906         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1907         parameter.  Change all callers.  Clear parameter target.
1908         (Binary_test): Test target here.
1909         * testsuite/object_unittest.cc (gold_testsuite): Remove
1910         target_test_pointer parameter.  Change all callers.
1911         (Object_test): Test target here.
1912
1913 2009-09-26  Ian Lance Taylor  <iant@google.com>
1914
1915         * testsuite/initpri1.c: Don't try to use constructor priorities if
1916         compiling with gcc before 4.3.
1917
1918 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1919
1920         * testsuite/retain_symbols_file_test.sh (check_present): Change
1921         output file name to retain_symbols_file_test.stdout.
1922         (check_absent): Likewise.
1923
1924 2009-09-18  Craig Silverstein  <csilvers@google.com>
1925
1926         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1927         * options.cc: Include <cerrno> and <fstream>.
1928         (General_options::finalize): Parse -retain-symbols-file tag.
1929         * options.h: New flag.
1930         (General_options): New method should_retain_symbol, new
1931         variable symbols_to_retain.
1932         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1933         should_retain_symbol map.
1934         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1935         * testsuite/Makefile.in: Regenerate.
1936         * testsuite/retain_symbols_file_test.sh: New file.
1937
1938 2009-09-18  Nick Clifton  <nickc@redhat.com>
1939
1940         * po/es.po: Updated Spanish translation.
1941
1942 2009-09-17  Doug Kwan  <dougkwan@google.com>
1943
1944         * debug.h (DEBUG_RELAXATION): New constant.
1945         (DEBUG_ALL): Add DEBUG_RELAXATION.
1946         (debug_string_to_enum): Add relaxation debug option.
1947         * layout.cc
1948         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1949         Layout::Relaxation_debug_check::read_sections,
1950         Layout::Relaxation_debug_check::read_sections): New method definitions.
1951         (Layout::Layout): Initialize data members
1952         record_output_section_data_from_scrips_,
1953         script_output_section_data_list_ and relaxation_debug_check_.
1954         (Layout::save_segments, Layout::restore_segments,
1955         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1956         Layout::relaxation_loop_body): New method definitions.
1957         (Layout::finalize): Support relaxation.  Move section layout code to
1958         Layout::relaxation_loop_body.
1959         (Layout::set_asection_address_from_script): Move code for orphan
1960         section placement out.
1961         (Layout::place_orphan_sections_in_script): New method definition.
1962         * layout.h (Output_segment_headers, Output_file_header):
1963         New forward class declarations.
1964         (Layout::~Layout): Define.
1965         (Layout::new_output_section_data_from_script): New method definition.
1966         (Layout::place_orphan_sections_in_script): New method declaration.
1967         (Layout::Segment_states): New type declaration.
1968         (Layout::save_segments, Layout::restore_segments,
1969         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1970         Layout::relaxation_loop_body): New method declarations.
1971         (Layout::Output_section_data_list): New type declaration.
1972         (Layout::Relaxation_debug_check): New class definition.
1973         (Layout::record_output_section_data_from_script_,
1974         Layout::script_output_section_data_list_, Layout::segment_states_,
1975         Layout::relaxation_debug_check_): New data members.
1976         * output.cc: (Output_section_headers::do_size): New method definition.
1977         (Output_section_headers::Output_section_headers): Move size
1978         computation to Output_section_headers::do_size.
1979         (Output_segment_headers::do_size): New method definition.
1980         (Output_file_header::Output_file_header): Move size computation to
1981         Output_file_header::do_size and call it.
1982         (Output_file_header::do_size): New method definition.
1983         (Output_data_group::Output_data_group): Adjust call to
1984         Output_section_data.
1985         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1986         (Output_symtab_xindex::do_write): Add array bound check.
1987         (Output_section::Input_section::print_to_mapfile): Handle
1988         RELAXED_INPUT_SECTION_CODE.
1989         (Output_section::Output_section): Initialize data member checkpoint_.
1990         (Output_section::~Output_section): Delete checkpoint object pointed
1991         by checkpoint_.
1992         (Output_section::add_input_section): Always add an Input_section if
1993         relaxing.
1994         (Output_section::add_merge_input_section): Add assert.
1995         (Output_section::relax_input_section): New method definition.
1996         (Output_section::set_final_data_size): Set load address to zero for
1997         an unallocated section.
1998         (Output_section::do_address_and_file_offset_have_reset_values):
1999         New method definition.
2000         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
2001         Handle relaxed input section.
2002         (Output_section::sort_attached_input_sections): Checkpoint input
2003         section list lazily.
2004         (Output_section::get_input_sections): Change type of input_sections to
2005         list of Simple_input_section pointers.  Checkpoint input section list
2006         lazily.  Also handle relaxed input sections.
2007         (Output_section::add_input_section_for_script): Take a reference to
2008         a Simple_input_section object instead of Relobj pointer and section
2009         index as parameter.  Handle relaxed input sections.
2010         (Output_section::save_states, Output_section::restore_states): New
2011         method definitions.
2012         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
2013         (Output_data::is_data_size_fixed): New method definition.
2014         (Output_data::reset_addresss_and_file_offset): Do not reset data size
2015         if it is fixed.
2016         (Output_data::address_and_file_offset_have_reset_values): New method
2017         definition.
2018         (Output_data::do_address_and_file_offset_have_reset_values): New method
2019         definition.
2020         (Output_data::set_data_size): Check that data size is not fixed.
2021         (Output_data::fix_data_size): New method definition.
2022         (Output_data::is_data_size_fixed_): New data member.
2023         (Output_section_headers::set_final_data_size): New method definition.
2024         (Output_section_headers::do_size): New method declaration.
2025         (Output_segment_headers::set_final_data_size): New method definition.
2026         (Output_segment_headers::do_size): New method declaration.
2027         (Output_file_header::set_final_data_size)::New method definition.
2028         (Output_file_header::do_size)::New method declaration.
2029         (Output_section_data::Output_section_data): Add new parameter
2030         is_data_size_fixed and use it to fix data size.
2031         (Output_data_const::Output_data_const): Adjust call to base class
2032         constructor and fix data size.
2033         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
2034         base class constructor and fix data size.
2035         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
2036         base class constructor and fix data size.
2037         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
2038         class constructor and fix data size.
2039         (Output_data_group::set_final_data_size): New method definition.
2040         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
2041         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
2042         class constructor and fix data size.
2043         (Output_relaxed_input_section): New class definition.
2044         (Output_section::Simple_input_section): New class definition.
2045         (Output_section::get_input_sections): Adjust parameter list.
2046         (Output_section::add_input_section_for_script): Same.
2047         (Output_section::save_states, Output_section::restore_states,
2048         Output_section::do_address_and_file_offset_have_reset_values,
2049         (Output_section::Input_section::Input_section): Handle
2050         RELAXED_INPUT_SECTION_CODE.  Add new overload for
2051         Output_relaxed_input_section.
2052         (Output_section::Input_section::is_input_section,
2053         Output_section::Input_section::set_output_section): Handle relaxed
2054         input section.
2055         (Output_section::Input_section::is_relaxed_input_section,
2056         Output_section::Input_section::output_section_data,
2057         Output_section::Input_section::relaxed_input_section): New method
2058         definitions.
2059         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
2060         value.
2061         (Output_section::Input_section::u1_): Update comments.
2062         (Output_section::Input_section::u2_): Add new union member poris.
2063         (Output_section::Checkpoint_output_section): New classs definition.
2064         (Output_section::relax_input_section): New method declaration.
2065         (Output_section::checkpoint_): New data member.
2066         (Output_segment): Update comments.
2067         (Output_segment::Output_segment): Un-privatize copy constructor.
2068         (Output_segment::operator=): Un-privatize.
2069         * script-sections.cc (Output_section_element::Input_section_list):
2070         Change element type to Output_section::Simple_input_section.
2071         (Output_section_element_dot_assignment::set_section_addresses):
2072         Register output section data for relaxation clean up.
2073         (Output_data_exression::Output_data_expression): Adjust call to base
2074         constructor to fix data size.
2075         (Output_section_element_data::set_section_addresses): Register
2076         Output_data_expression object for relaxation clean up.
2077         (struct Input_section_info): Replace Relobj pointer and section index
2078         pair with Output_section::Simple_input_section and Convert struct to a
2079         class.
2080         (Input_section_sorter::operator()): Adjust access to
2081         Input_section_info data member to use accessors.
2082         (Output_section_element_input::set_section_addresses): Use layout
2083         parameter.  Adjust code to use Output_section::Simple_input_section
2084         and Input_secction_info classes.  Register filler for relaxation
2085         clean up.
2086         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
2087         and section index pair with Output_section::Simple_input_section
2088         class.  Adjust code accordingly.
2089         (Phdrs_element::release_segment): New method definition.
2090         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
2091         segment list.
2092         (Script_sections::release_segments): New method definition.
2093         * gold/script-sections.h (Script_sections::release_segments): New
2094         method declaration.
2095         * gold/target.h (Target::may_relax, Target::relax,
2096         Target::do_may_relax, Target::do_relax): New method definitions.
2097
2098 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2099
2100         * arm.cc (has_signed_unsigned_overflow): New function.
2101         (Arm_relocate_functions::abs8): New function.
2102         (Target_arm::Scan::local): Handle R_ARM_ABS8.
2103         (Target_arm::Scan::global): Likewise.
2104         (Target_arm::relocate::relocate): Likewise.
2105         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2106         Likewise.
2107
2108 2009-09-16  Cary Coutant  <ccoutant@google.com>
2109
2110         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2111         * testsuite/Makefile.in: Regenerate.
2112
2113 2009-09-11  Nick Clifton  <nickc@redhat.com>
2114
2115         * po/gold.pot: Updated by the Translation project.
2116
2117 2009-09-08  Cary Coutant  <ccoutant@google.com>
2118
2119         * output.cc (Output_file::open): Add execute permission to empty file.
2120         * testsuite/Makefile.am (permission_test): New test.
2121         * testsuite/Makefile.in: Regenerate.
2122
2123 2009-09-02  Ian Lance Taylor  <iant@google.com>
2124
2125         * output.cc (Output_file::resize): Call map_no_anonymous rather
2126         than map.
2127
2128 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
2129
2130         * gold.cc: Include "incremental.h".
2131         (queue_initial_tasks): Call Incremental_checker methods.
2132         * incremental.cc: Include "output.h".
2133         (Incremental_checker::can_incrementally_link_output_file): New
2134         method.
2135         * incremental.h (Incremental_checker): New class.
2136
2137         * output.cc (Output_file::open_for_modification): New method.
2138         (Output_file::map_anonymous): Changed return type to bool.  Record
2139         map in base_ field.
2140         (Output_file::map_no_anonymous): New method, broken out of map.
2141         (Output_file::map): Use map_no_anonymous and map_anonymous.
2142         * output.h (class Output_file): Update declarations.
2143
2144 2009-08-24  Cary Coutant  <ccoutant@google.com>
2145
2146         * options.h (Command_line::Pre_options): New class.
2147         (Command_line::pre_options): New member.
2148         * options.cc (gold::options::ready_to_register): New variable.
2149         (One_option::register_option): Do nothing if not registering options.
2150         Assert if same short option registered twice.
2151         (General_options::General_options): Turn off option registration when
2152         done constructing.
2153         (Command_line::Pre_options::Pre_options): New constructor.
2154
2155 2009-08-24  Cary Coutant  <ccoutant@google.com>
2156
2157         * options.h (General_options::no_keep_memory): Remove incorrect
2158         short option.
2159
2160 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2161
2162         * Makefile.am (am__skiplex, am__skipyacc): New.
2163         * Makefile.in: Regenerate.
2164
2165 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2166
2167         * Makefile.am (AM_CPPFLAGS): Renamed from ...
2168         (INCLUDES): ... this.
2169         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2170         (AM_CPPFLAGS): Renamed from ...
2171         (INCLUDE): ... this.
2172         * Makefile.in, testsuite/Makefile.in: Regenerate.
2173
2174         * Makefile.in: Regenerate.
2175         * aclocal.m4: Likewise.
2176         * config.in: Likewise.
2177         * configure: Likewise.
2178         * testsuite/Makefile.in: Likewise.
2179
2180         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2181         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2182         * Makefile.in: Regenerate.
2183         * testsuite/Makefile.in: Regenerate.
2184
2185 2009-08-19  Cary Coutant  <ccoutant@google.com>
2186
2187         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2188         symbols in shared libraries overridden by hidden or internal symbols
2189         in the main program.
2190
2191 2009-08-19  Chris Demetriou  <cgd@google.com>
2192
2193         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2194         checking source file names in error messages.
2195
2196 2009-08-18  Doug Kwan  <dougkwan@google.com>
2197
2198         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2199         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2200         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2201         an elfcpp::Ehdr as parameter.
2202         * object.cc (Object::set_target): Remove the version that looks up
2203         a target and sets it.
2204         (Sized_relobj::setup): Take a Target object instead of
2205         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
2206         (make_elf_sized_object): Find target and ask target to
2207         make an ELF object.
2208         * object.h: (Object::set_target): Remove the version that looks up
2209         a target and sets it.
2210         (Sized_relobj::setup): Take a Target object instead of
2211         an elfcpp:Ehdr as parameter.
2212         * target.cc: Include dynobj.h.
2213         (Target::do_make_elf_object_implementation): New.
2214         (Target::do_make_elf_object): New.
2215         * target.h (Target::make_elf_object): New template declaration.
2216         (Target::do_make_elf_object): New method declarations.
2217         (Target::do_make_elf_object_implementation): New template declaration.
2218
2219 2009-08-14  Ian Lance Taylor  <iant@google.com>
2220
2221         * gold.h (FUNCTION_NAME): Define.
2222         (gold_unreachable): Use FUNCTION_NAME.
2223
2224 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2225
2226         * icf.cc (Icf::find_identical_sections): Issue a warning when a
2227         symbol in the --keep-unique list is not found.
2228
2229 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2230
2231         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2232         been maked as --keep-unique.
2233         (Icf::unfold_section): New function.
2234         * icf.h (Icf::unfold_section): New function.
2235         * options.h (General_options::keep_unique): New option.
2236         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2237         * testsuite/Makefile.in: Regenerate.
2238         * testsuite/icf_keep_unique_test.sh: New file.
2239         * testsuite/icf_keep_unique_test.cc: New file.
2240
2241 2009-08-12  Cary Coutant  <ccoutant@google.com>
2242
2243         PR 10471
2244         * resolve.cc (Symbol_table::resolve): Check for references from
2245         dynamic objects to hidden and internal symbols.
2246         * testsuite/Makefile.am (hidden_test.sh): New test.
2247         * testsuite/Makefile.in: Regenerate.
2248         * testsuite/hidden_test.sh: New script.
2249         * testsuite/hidden_test_1.c: New test source.
2250         * testsuite/hidden_test_main.c: New test source.
2251
2252 2009-08-11  Doug Kwan  <dougkwan@google.com>
2253
2254         * arm.cc: Update comments.
2255         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2256         segment to locate the .ARM.exidx section if present.
2257
2258 2009-08-09  Doug Kwan  <dougkwan@google.com>
2259
2260         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2261         patch.
2262
2263 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
2264         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2265         compiler warnings.
2266
2267 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
2268
2269         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2270         valid tls_segment only for non-debug-section relocations.
2271         * testsuite/Makefile.am: Add gc_tls_test.
2272         * testsuite/Makefile.in: Regenerate.
2273         * testsuite/gc_tls_test.cc: New file.
2274         * testsuite/gc_tls_test.sh: New file.
2275
2276 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
2277
2278         * icf.cc: New file.
2279         * icf.h: New file.
2280         * Makefile.am (CCFILES): Add icf.cc.
2281         (HFILES): Add icf.h
2282         * Makefile.in: Regenerate.
2283         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2284         * gc.h (gc_process_relocs): Populate lists used by icf to contain
2285         section, symbol and addend information for the relocs.
2286         * gold.cc (queue_middle_tasks): Call identical code folding.
2287         * gold.h: Add defines for multimap.
2288         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2289         to the call of finalize_local_symbols.
2290         * main.cc (main): Create object of class Icf.
2291         * object.cc (Sized_relobj::do_layout): Allow this function to be
2292         called twice during icf.
2293         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2294         to sections marked as identical by icf.
2295         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2296         when available.
2297         (Sized_relobj::do_section_entsize): New function.
2298         * object.h (Object::section_entsize): New function.
2299         (Object::do_section_entsize): New pure virtual function.
2300         (Relobj::finalize_local_symbols): Add new parameter.
2301         (Relobj::do_section_entsize): New function.
2302         * options.h (General_options::icf): New option.
2303         (General_options::icf_iterations): New option.
2304         (General_options::print_icf_sections): New option.
2305         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2306         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2307         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2308         icf.
2309         * symtab.cc (Symbol_table::is_section_folded): New function.
2310         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
2311         to sections marked as identical by icf.
2312         * symtab.h (Symbol_table::set_icf): New function.
2313         (Symbol_table::icf): New function.
2314         (Symbol_table::is_section_folded): New function.
2315         (Symbol_table::icf_): New data member.
2316         * target-reloc.h (relocate_section): Ignore sections folded by icf.
2317         * testsuite/Makefile.am: Add commands to build icf_test.
2318         * testsuite/Makefile.in: Regenerate.
2319         * testsuite/icf_test.sh: New file.
2320         * testsuite/icf_test.cc: New file.
2321
2322 2009-07-24  Chris Demetriou  <cgd@google.com>
2323
2324         * layout.cc (is_compressible_debug_section): Fix incorrect
2325         comment about compressed section names.
2326
2327 2009-07-20  Ian Lance Taylor  <ian@airs.com>
2328
2329         PR 10419
2330         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2331
2332 2009-07-16  Ian Lance Taylor  <iant@google.com>
2333
2334         PR 10400
2335         * layout.h: #include <map>.
2336         (class Kept_section): Change from struct to class.  Add accessors
2337         and setters.  Add section size to Comdat_group mapping.  Change
2338         Comdat_group to std::map.  Add is_comdat_ field.  Add
2339         linkonce_size field in union.
2340         (class Layout): Update declaration of find_or_add_kept_section.
2341         Don't declare find_kept_object.
2342         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2343         parameter.  Add object, shndx, is_comdat, and is_group_name
2344         parameters.  Change all callers.  Adjust for new Kept_section.
2345         (Layout::find_kept_object): Remove.
2346         * object.cc (Sized_relobj::include_section_group): Update use of
2347         Kept_section.  Rename secnum to shndx.  Only record
2348         Kept_comdat_section if sections are the same size.
2349         (Sized_relobj::include_linkonce_section): Update use of
2350         Kept_section.  Only record Kept_comdat_section if sections are the
2351         same size.  Set size of linkonce section.
2352         (Sized_relobj::map_to_kept_section): Update call to
2353         get_kept_comdat_section.
2354         * object.h (class Sized_relobj): Rename fields in
2355         Kept_comdat_section to drop trailing underscores; change object
2356         field to Relobj*.  Change Kept_comdat_section_table to store
2357         struct rather than pointer.
2358         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2359         Add kept_object and kept_shndx parameters.  Change all callers.
2360         (Sized_relobj::get_kept_comdat_section): Change return type to
2361         bool.  Add kept_object and kept_shndx parameters.  Change all
2362         callers.
2363         * plugin.cc (Pluginobj::include_comdat_group): Update call to
2364         Layout::find_or_add_kept_section.
2365
2366 2009-07-09  Ian Lance Taylor  <iant@google.com>
2367
2368         * merge.cc (Object_merge_map::initialize_input_to_output_map):
2369         Reserve space in the hash table.
2370
2371 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
2372
2373         * fileread.cc (File_read::get_mtime): New method.
2374         * fileread.h (Timespec): New structure.
2375         (File_read::get_mtime): New method.
2376         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2377         Renamed from timestamp_nsec.
2378         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2379         Elf_Xword.
2380         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
2381         timestamp_nsec.
2382         (Incremental_inputs::report_archive): Save mtime; style fix.
2383         (Incremental_inputs::report_obejct): Save mtime; style fix.
2384         (Incremental_inputs::report_script): Save mtime; style fix.
2385         (Incremental_inputs::finalize_inputs): Style fix.
2386         (Incremental_inputs::finalize): Style fix.
2387         (Incremental_inputs::create_input_section_data): Store inputs
2388         mtime.
2389         * incremental.h (Incremental_inputs::report_script): Add mtime
2390         argument.
2391         (Incremental_inputs::Input_info::Input_info): Intialize only one
2392         union member.
2393         (Incremental_inputs::Input_info::archive): Move to nameless
2394         union.
2395         (Incremental_inputs::Input_info::obejct): Move to nameless union.
2396         (Incremental_inputs::Input_info::script): Move to nameless union.
2397         (Incremental_inputs::mtime): New field.
2398         * script.cc (read_input_script): Pass file mtime to
2399         Incremental_input.
2400         * script.h (Script_info::inputs): Style fix.
2401
2402 2009-07-01  Ian Lance Taylor  <ian@airs.com>
2403
2404         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2405         instead of 32.
2406
2407 2009-06-24  Ian Lance Taylor  <iant@google.com>
2408
2409         PR 10156
2410         * layout.cc (Layout::choose_output_section): If we find an
2411         existing section, update the flags.
2412         (Layout::create_notes): New function, broken out of
2413         Layout::finalize.
2414         (Layout::finalize): Don't create note sections.
2415         (Layout::create_note): Don't crash if linker script discards
2416         section.
2417         (Layout::create_gold_note): Likewise.
2418         (Layout::create_build_id): Likewise.  Don't set
2419         after_input_sections on the section.
2420         (Layout::create_executable_stack_info): Remove target parameter.
2421         Change caller.
2422         * layout.h (class Layout): Declare create_notes.  Update
2423         declaration of create_executable_stack_info.
2424         * gold.cc (queue_middle_tasks): Call create_notes.
2425         * output.cc (Output_section::update_flags_for_input_section): Move
2426         here from output.h.  If SHF_ALLOC flag is newly set, mark address
2427         invalid.
2428         * output.h (Output_data::mark_address_invalid): New function.
2429         (class Output_section): Only declare, not define,
2430         update_flags_for_input_section.  Remove set_flags.
2431
2432 2009-06-24  Ian Lance Taylor  <iant@google.com>
2433
2434         * script-sections.cc (Output_section_definition::
2435         set_section_addresses): Rename shadowing local load_address to
2436         laddr.
2437
2438 2009-06-24  Ian Lance Taylor  <iant@google.com>
2439
2440         PR 10244
2441         * reloc.cc (relocate_sections): Skip empty relocation sections.
2442
2443 2009-06-23  Ian Lance Taylor  <iant@google.com>
2444
2445         PR 10156
2446         * layout.cc (Layout::create_note): Use choose_output_section
2447         rather than make_output_section.
2448
2449 2009-06-23  Ian Lance Taylor  <iant@google.com>
2450
2451         PR 10237
2452         * options.cc (General_options::parse_V): Set printed_version_.
2453         (General_options::General_options): Initialize printed_version_.
2454         * options.h (class General_options): Add printed_version_ field.
2455         * gold.cc (queue_initial_tasks): If there are no input files,
2456         don't give a fatal error if we printed the version information.
2457         (queue_middle_tasks): If using -r with a shared object, give a
2458         fatal error rather than an ordinary error.
2459
2460 2009-06-23  Ian Lance Taylor  <iant@google.com>
2461
2462         PR 10219
2463         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2464         (Layout::make_output_section): Set have_stabstr_section_ if we see
2465         a .stab*str section.
2466         (Layout::finalize): Call link_stabs_sections.
2467         (Layout::link_stabs_sections): New file.
2468         * layout.h (class Layout): Add have_stabstr_section_ field.
2469         Declare link_stabs_sections.
2470
2471 2009-06-23  Doug Kwan  <dougkwan@google.com>
2472
2473         * Makefile.am (libgold_a_LIBADD): New.
2474         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2475         * Makefile.in: Regenerate.
2476         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2477         * configure: Regenerate.
2478         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2479         * fileread.cc: Include sys/state.h
2480         * gold.h: Declare memmem and strndup if found missing.
2481         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2482
2483 2009-06-23  Ian Lance Taylor  <iant@google.com>
2484
2485         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2486         * configure: Rebuild.
2487
2488 2009-06-23  Ian Lance Taylor  <iant@google.com>
2489
2490         PR 10147
2491         * object.cc (Object::section_contents): Don't try to get a view if
2492         the section has length zero.
2493         (Object::handle_gnu_warning_section): If the section is empty, use
2494         the name of the section as the warning.
2495
2496 2009-06-23  Ian Lance Taylor  <iant@google.com>
2497
2498         PR 10133
2499         * stringpool.h (class Stringpool_template): Add optimize_ field.
2500         (Stringpool_template::set_optimize): New function.
2501         * stringpool.cc (Stringpool_template::Stringpool_template):
2502         Initialize optimize_ field.
2503         (Stringpool_template::set_string_offsets): Test local optimize
2504         fild rather than parameter.
2505         * layout.cc (Layout::Layout): Call set_optimize on the section
2506         name stringpool.
2507
2508 2009-06-22  Ian Lance Taylor  <iant@google.com>
2509
2510         PR 10030
2511         * yyscript.y: Parse TARGET.
2512         * script.cc (script_set_target): New function.
2513         * script-c.h (script_set_target): Declare.
2514         * options.cc (General_options::string_to_object_format): Rename
2515         from string_to_object_format in anonymous namespace.  Change
2516         callers.
2517         * options.h (class General_options): Declare
2518         string_to_object_format.
2519
2520 2009-06-22  Ian Lance Taylor  <iant@google.com>
2521
2522         * script-sections.cc (Script_sections::create_segments): Don't put
2523         program headers in a PT_LOAD segment if -n or -N.
2524
2525 2009-06-22  Ian Lance Taylor  <iant@google.com>
2526
2527         PR 10141
2528         * options.h (class General_options): Add -z lazy and -z now.  Sort
2529         -z options into alphabetical order.
2530         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2531
2532 2009-06-21  Ian Lance Taylor  <iant@google.com>
2533
2534         * layout.cc (Layout::make_output_section): Call
2535         Target::new_output_section.
2536         (Layout::attach_allocated_section_to_segment): Put large section
2537         sections in a separate load segment with the large segment flag
2538         set.
2539         (Layout::segment_precedes): Sort large data segments after other
2540         load segments.
2541         (align_file_offset): New static function.
2542         (Layout::set_segment_offsets): Use align_file_offset.
2543         * output.h (class Output_section): Add is_small_section_ and
2544         is_large_section_ fields.
2545         (Output_section::is_small_section): New function.
2546         (Output_section::set_is_small_section):  New function.
2547         (Output_section::is_large_section): New function.
2548         (Output_section::set_is_large_section): New function.
2549         (Output_section::is_large_data_section): New function.
2550         (class Output_segment): Add is_large_data_segment_ field.
2551         (Output_segment::is_large_data_segment): New function.
2552         (Output_segment::set_is_large_data_segment): New function.
2553         * output.cc (Output_section::Output_section): Initialize new
2554         fields.
2555         (Output_segment::Output_segment): Likewise.
2556         (Output_segment::add_output_section): Add assertion that large
2557         data sections always go in large data segments.  Force small data
2558         sections to the end of the list of data sections.  Force small BSS
2559         sections to the start of the list of BSS sections.  For large BSS
2560         sections to the end of the list of BSS sections.
2561         * symtab.h (class Symbol): Declare is_common_shndx.
2562         (Symbol::is_defined): Check Symbol::is_common_shndx.
2563         (Symbol::is_common): Likewise.
2564         (class Symbol_table): Define enum Commons_section_type.  Update
2565         declarations.  Add small_commons_ and large_commons_ fields.
2566         * symtab.cc (Symbol::is_common_shndx): New function.
2567         (Symbol_table::Symbol_table): Initialize new fields.
2568         (Symbol_table::add_from_object): Put small and large common
2569         symbols in the right list.
2570         (Symbol_table::sized_finalized_symbol): Check
2571         Symbol::is_common_shndx.
2572         (Symbol_table::sized_write_globals): Likewise.
2573         * common.cc (Symbol_table::do_allocate_commons): Allocate new
2574         common symbol lists.  Don't call do_allocate_commons_list if the
2575         list is empty.
2576         (Symbol_table::do_allocate_commons_list): Remove is_tls
2577         parameter.  Add comons_section_type parameter.  Change all
2578         callers.  Handle small and large common symbols.
2579         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2580         Symbol::is_common_shndx.
2581         * resolve.cc (symbol_to_bits): Likewise.
2582         * target.h (Target::small_common_shndx): New function.
2583         (Target::small_common_section_flags): New function.
2584         (Target::large_common_shndx): New function.
2585         (Target::large_common_section_flags): New function.
2586         (Target::new_output_section): New function.
2587         (Target::Target_info): Add small_common_shndx, large_common_shndx,
2588         small_common_section_flags, and large_common_section_flags
2589         fields.
2590         (Target::do_new_output_section): New virtual function.
2591         * arm.cc (Target_arm::arm_info): Initialize new fields.
2592         * i386.cc (Target_i386::i386_info): Likewise.
2593         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2594         Likewise.
2595         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2596         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2597         (Target_x86_64::do_new_output_section): New function.
2598         * configure.ac: Define conditional MCMODEL_MEDIUM.
2599         * testsuite/Makefile.am (check_PROGRAMS): Add large.
2600         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2601         (large_LDFLAGS): Define.
2602         * testsuite/large.c: New file.
2603         * testsuite/testfile.cc (Target_test::test_target_info):
2604         Initialize new fields.
2605         * configure, testsuite/Makefile.in: Rebuild.
2606
2607 2009-06-05  Doug Kwan  <dougkwan@google.com>
2608
2609         * Makefile.am (CCFILES): Add target.cc.
2610         * Makefile.in: Regenerate.
2611         * i386.cc (class Target_i386): Define new virtual method to
2612         override do_is_local_label_name in parent.
2613         * object.cc (Sized_relobj::do_count_local_symbols): Discard
2614         local symbols if --discard-locals or -X is given.
2615         * options.h (class General_options): Declare new options
2616         '--discard-locals' and '-X' for discarding locals.
2617         * target.h (class Target): Define new methods is_local_label_name.
2618         Declare new virtual method do_is_local_label_name.
2619         * target.cc: New file.
2620         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2621         (check_SCRIPTS): Add discard_locals_test.sh.
2622         (check_DATA): Add discard_local_tests.syms.
2623         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2624         (discard_local_tests.syms, discard_locals_test.o): New make rules.
2625         * testsuite/Makefile.in: Regenerate.
2626         * testsuite/discard_locals_test.c: New file.
2627         * testsuite/discard_locals_test.sh: Same.
2628
2629 2009-06-05  Doug Kwan  <dougkwan@google.com>
2630
2631         * object.cc (Sized_relobj::Sized_relobj): Initialize
2632         discarded_eh_frame_shndx_ to -1U.
2633         (Sized_relobj::do_layout): Record index of a discard .eh_frame
2634         section.
2635         (Sized_relobj::do_count_local_symbols): Skip local symbols in
2636         a discarded .eh_frame section.
2637         (Sized_relobj::do_finalize_local_symbols): Ditto.
2638         * object.h (class Sized_relobj): Declare new member
2639         discarded_eh_frame_shndx_.
2640         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2641         (local_labels_test.o, local_labels_test): New rules.
2642         * testsuite/Makefile.in: Regenerate.
2643
2644 2009-06-04  Doug Kwan  <dougkwan@google.com>
2645
2646         * layout.cc (Layout::section_name_mapping): Add mapping for
2647         special ARM sections.
2648
2649 2009-06-03  Doug Kwan  <dougkwan@google.com>
2650
2651         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2652         (utils::has_overflow): Same.
2653
2654 2009-06-03  Ian Lance Taylor  <iant@google.com>
2655
2656         * layout.cc (Layout::section_name_mapping): New array, replacing
2657         Layout::linkonce_mapping.
2658         (Layout::section_name_mapping_count): New variable, replacing
2659         Layout::linkonce_mapping_count.
2660         (Layout::linkonce_output_name): Remove.
2661         (Layout::output_section_name): Rewrite.
2662         * layout.h (class Layout): Rename Linkonce_mapping to
2663         Section_name_mapping, linkonce_mapping to section_name_mapping,
2664         linkonce_mapping_count to section_name_mapping_count.  Don't
2665         declare linkonce_output_name.
2666
2667 2009-06-03  Doug Kwan  <dougkwan@google.com>
2668
2669         * gold/arm.cc (namespace utils): New.
2670         (Target_arm::reloc_is_non_pic): Define new method.
2671         (class Arm_relocate_functions): New.
2672         (Target_arm::Relocate::relocate): Handle relocation types used by
2673         Android.
2674
2675 2009-06-03  Ian Lance Taylor  <iant@google.com>
2676
2677         * arm.cc (Target_arm::scan::global): Use || instead of |.
2678
2679 2009-06-02  Doug Kwan  <dougkwan@google.com>
2680
2681         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2682         issued_non_pic_error_.
2683         (class Target_arm::Scan): Declare new method check_non_pic.
2684         Define new method symbol_needs_plt_entry.
2685         Declare new data member issued_non_pic_error_.
2686         (class Target_arm::Relocate): Declare new method
2687         should_apply_static_reloc.
2688         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2689         (Target_arm::Scan::check_non_pic): Define new method.
2690         (Target_arm::Scan::local): Handle a small subset of reloc types used
2691         by Android.
2692         (Target_arm::Scan::local): Same.
2693         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2694
2695 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2696
2697         * incremental.cc (Incremental_inputs::report_command_line): Filter
2698         out --incremental-* options.
2699
2700 2009-05-29  Doug Kwan  <dougkwan@google.com>
2701
2702         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2703         template class.
2704         (class Target_arm): Update comment.
2705         (Target_arm::Target_arm): Initialize new data members GOT_,
2706         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2707         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2708         and Target_arm::rel_dyn_section.
2709         Declare new_enum Target_arm::Got_type.
2710         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2711         and DYNBSS_.
2712         Update commments for member do_dynsym_value.
2713         (Target_arm::got_size, Target_arm::plt_section,
2714         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2715         new methods inside class defintion.
2716         (Target_arm::got_section): Define new method.
2717         (Target_arm::rel_dyn_section): Same.
2718         (Output_data_plt_arm): New template class.
2719         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2720         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2721         (Output_data_plt_arm::add_entry): Same.
2722         (Output_data_plt_arm::first_plt_entry): Define new
2723         static data member for PLT instruction template.
2724         (Output_data_plt_arm::plt_entry): Same.
2725         (Output_data_plt_arm::do_write): Define new method.
2726         (Target_arm::make_plt_entry): Same.
2727         (Target_arm::do_finalize_sections): Same.
2728         (Target_arm::do_dynsym_value): Same.
2729
2730 2009-05-28  Doug Kwan  <dougkwan@google.com>
2731
2732         * Makefile.am (TARGETSOURCES): Add arm.cc.
2733         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2734         * Makefile.in: Regenerate.
2735         * arm.cc: New file.
2736         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2737
2738 2009-05-26  Doug Kwan  <dougkwan@google.com>
2739
2740         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2741         (General_options::check_excluded_libs): Strip off directories in
2742         archive name before matching like GNU ld does.
2743         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2744         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2745         (exclude_libs_test_LDFLAGS): Add linker option
2746         -Wl,--exclude-libs,libexclude_libs_test_3
2747         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2748         an explicit archive without using -l.
2749         (alt/libexclude_libs_test_3.a): New make rule.
2750         * testsuite/Makefile.in: Regenerate.
2751         * testsuite/exclude_libs_test.c : Declare lib3_default().
2752         (main): Call it.
2753         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2754         * exclude_libs_test_3.c: New file.
2755
2756 2009-05-26  Nick Clifton  <nickc@redhat.com>
2757
2758         * po/id.po: New Indonesian translation.
2759         * po/gold.pot: Updated template file.
2760
2761 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2762
2763         * testsuite/Makefile.am: Add -ffunction-sections to compile
2764         gc_comdat_test files.  Add -Wl,--gc-sections to build
2765         gc_comdat_test.
2766         * testsuite/Makefile.in: Regenerate.
2767         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2768
2769 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2770
2771         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2772         kept comdat section was garbage collected.
2773         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2774         * testsuite/Makefile.in: Regenerate.
2775         * testsuite/gc_comdat_test.sh: New file.
2776         * testsuite/gc_comdat_test_1.cc: New file.
2777         * testsuite/gc_comdat_test_2.cc: New file.
2778
2779 2009-05-19  Doug Kwan  <dougkwan@google.com>
2780
2781         * archive.cc (Archive::Archive): Move constructor from archive.h
2782         to here.  Initialize no_export_.
2783         (Archive::get_elf_object_for_member): Set no_export flag of object.
2784         * archive.h (Archive::Archive): Move constructor body to
2785         archive.cc.
2786         (Archive::no_export): New method.
2787         (Archive::no_export_): New field.
2788         * object.h (Object::Object): Initialize no_export_ to false.
2789         (Object::no_export, Object::set_no_export): New methods.
2790         (Object::no_export_): New field.
2791         * options.cc (General_options::parse_exclude_libs): New method.
2792         (General_options::check_excluded_libs) Same.
2793         * options.h (exclude_libs): New option.
2794         (General_options::check_excluded_libs): New method declaration.
2795         (General_options::excluded_libs_): New field.
2796         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2797         default or protected visibility if an object has no-export flag set.
2798         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2799         (check_SCRIPTS): Add exclude_libs_test.sh.
2800         (check_DATA): Add exclude_libs_test.syms.
2801         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2802         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2803         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2804         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2805         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2806         libexclude_libs_test_2.a): New rules.
2807         * testsuite/Makefile.in: Regenerate.
2808         * testsuite/exclude_libs_test.c: New file.
2809         * testsuite/exclude_libs_test.sh: Ditto.
2810         * testsuite/exclude_libs_test_1.c: Ditto.
2811         * testsuite/exclude_libs_test_2.c: Ditto.
2812
2813 2009-05-15  Ian Lance Taylor  <iant@google.com>
2814
2815         * configure.ac: Check for declarations for cases where libiberty.h
2816         checks HAVE_DECL_xxx.
2817         * configure, config.in: Rebuild.
2818
2819 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2820
2821         * gold.h (Incremental_argument_list): Remove (invalid) forward
2822         declaration.
2823         * incremental.cc (Incremental_inputs::report_achive): New method.
2824         (Incremental_inputs::report_object): New method.
2825         (Incremental_inputs::report_script): New method.
2826         (Incremental_inputs::finalize_inputs): New method.
2827         (Incremental_inputs::finalize): Call finalize_inputs().
2828         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2829         Create inputs entries.
2830         * incremental.h (Incremental_input_type): New enum.
2831         (Incremental_inputs::Incremental_input): Initialize new fields.
2832         (Incremental_inputs::report_inputs): New method.
2833         (Incremental_inputs::report_achive): New method.
2834         (Incremental_inputs::report_object): New method.
2835         (Incremental_inputs::report_script): New method.
2836         (Incremental_inputs::finalize_inputs): New method.
2837         (Incremental_inputs::Input_info): New struct.
2838         (Incremental_inputs::Input_info_map): New typedef.
2839         (Incremental_inputs::lock_): New field.
2840         (Incremental_inputs::Inputs_): New field.
2841         (Incremental_inputs::Inputs_map): New field.
2842         * main.cc (main): Call Incremental_input::report_inputs.
2843         * options.h (Input_argument_list): Typedef moved from
2844         Input_arguments.
2845         (Input_file_group::Files): Remove, use ::Input_argument_list.
2846         (Input_file_group::Input_argument_list): Remove, use
2847         ::Input_argument_list.
2848         * plugin.cc (Plugin_manager::add_input_file): Add error in
2849         incremental build.
2850         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2851         functions.
2852         * script.cc (read_input_script): Call
2853         Incremental_input::report_script.
2854         * script.h (Script_info): New class.
2855
2856 2009-04-27  Ian Lance Taylor  <iant@google.com>
2857
2858         * x86_64.cc (do_adjust_output_section): Set entsize to
2859         plt_entry_size.
2860
2861 2009-04-23  Elliott Hughes  <enh@google.com>
2862
2863         * output.cc (Output_file::close): After short writes, continue
2864         writing from the correct offset in the buffer being written.
2865
2866 2009-04-23  Chris Demetriou  <cgd@google.com>
2867
2868         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2869         * configure: Regenerate.
2870         * config.in: Regenerate.
2871         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2872         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2873
2874 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2875
2876         * incremental.cc (Incremental_inputs_header_data): Renamed from
2877         Incremental_input_header_data.
2878         (Incremental_inputs_header_data::data_size): New field.
2879         (Incremental_inputs_header_data::put_input_file_count): Renamed
2880         from input_file_count.
2881         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2882         from command_line_offset.
2883         (Incremental_inputs_header_data::put_reserved): Renamed from
2884         put_reserved.
2885         (Incremental_inputs_entry_data): Renamed from
2886         Incremental_input_entry_data.
2887         (Incremental_inputs_entry_data::data_size): New field.
2888         (Incremental_inputs::report_command_line): New method.
2889         (Incremental_inputs::finalize): New method.
2890         (Incremental_inputs::create_incremental_inputs_data): New method.
2891         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2892         * incremental.h: New file.
2893         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2894        (Layout::finalize): Create incremental inputs section in
2895         incremental builds.
2896        (Layout::create_incremental_info_sections): New method.
2897         * layout.h (Layout::incremental_inputs): New method.
2898        (Layout::create_incremental_info_sections): New method.
2899        (Layout::incremental_inputs_): New field.
2900         * main.cc (main): Notify Incremental_input of the command line.
2901
2902 2009-04-01  Ian Lance Taylor  <iant@google.com>
2903             Mikolaj Zalewski  <mikolajz@google.com>
2904
2905         * gold.h (reserve_unordered_map): Define, three versions, one for
2906         each version of Unordered_map.
2907         * layout.cc (Layout::Layout): Remove options parameter.  Add
2908         number_of_input_files parameter.  Don't initialize options_.
2909         Initialize number_of_input_files_ and resized_signatures_.  Move
2910         sections_are_attached_.
2911         (Layout::layout_group): Reserve space for group_signatures_.
2912         (Layout::find_or_add_kept_section): Change name parameter to be a
2913         reference.  Resize signatures_ map when it gets large enough.
2914         (Layout::layout_eh_frame): Use parameters->options() instead of
2915         this->options_.
2916         (Layout::make_output_section): Likewise.
2917         (Layout::attach_allocated_section_to_segment): Likewise.
2918         (Layout::finalize, Layout::create_executable_stack): Likewise.
2919         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2920         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2921         * layout.h (class Layout): Update declarations.  Remove options_
2922         field.  Add number_of_input_files_ and resized_signatures_
2923         fields.  Move sections_are_attached_ field.
2924         * main.cc (main): Pass number of input files to Layout
2925         constructor.  Don't pass options.
2926
2927 2009-03-30  Ian Lance Taylor  <iant@google.com>
2928
2929         * ffsll.c (ffsll): Correct implementation.
2930
2931 2009-03-27  Ian Lance Taylor  <iant@google.com>
2932
2933         * ffsll.c: New file.
2934         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2935         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2936         * ftruncate.c (ftruncate): Declare before definition.
2937         * mremap.c (mremap): Likewise.
2938         * pread.c (pread): Likewise.
2939         * configure, Makefile.in, config.in: Rebuild.
2940
2941         * mremap.c: New file.
2942         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2943         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2944         (mremap): Declare if HAVE_MREMAP is not defined.
2945         * configure, Makefile.in, config.in: Rebuild.
2946
2947 2009-03-27  Cary Coutant  <ccoutant@google.com>
2948
2949         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2950         position independent.
2951         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2952         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2953
2954 2009-03-24  Cary Coutant  <ccoutant@google.com>
2955
2956         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2957         an executable.
2958         (needs_dynamic_reloc): Likewise.
2959
2960 2009-03-24  Ian Lance Taylor  <iant@google.com>
2961
2962         * yyscript.y (file_cmd): Recognize EXTERN.
2963         (extern_name_list, extern_name_list_body): New nonterminals.
2964         * script.cc (script_add_extern): Define.
2965         * script-c.h (script_add_extern): Declare.
2966
2967 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
2968
2969         * object.cc (is_elf_object): Define.
2970         * object.h (is_elf_object): Declare.
2971         * archive.cc (Archive::get_elf_object_for_member): Call
2972         is_elf_object.
2973         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2974
2975 2009-03-24  Elliott Hughes  <enh@google.com>
2976
2977         * output.cc (Output_file::map_anonymous): Define.
2978         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
2979         try an anonymous one.  Report the size if the mmap fails.
2980         * output.h (class Output_file): Declare map_anonymous.
2981
2982 2009-03-24  Ian Lance Taylor  <iant@google.com>
2983
2984         * target-select.cc (instantiate_target): Don't acquire the lock if
2985         the instantiated_target_ field has already been set.
2986
2987 2009-03-23  Ian Lance Taylor  <iant@google.com>
2988
2989         * gold-threads.h (class Initialize_lock): Define.
2990         * gold-threads.cc (class Initialize_lock_once): Define.
2991         (initialize_lock_control): New static variable.
2992         (initialize_lock_pointer): New static variable.
2993         (initialize_lock_once): New static function.
2994         (Initialize_lock::Initialize_lock): Define.
2995         (Initialize_lock::initialize): Define.
2996         * target-select.h: Include "gold-threads.h".
2997         (class Target_selector): Add lock_ and initialize_lock_ fields.
2998         Don't define instantiate_target, just declare it.
2999         * target-select.cc (Target_selector::Target_selector): Initialize
3000         new fields.
3001         (Target_selector::instantiate_target): Define.
3002         * descriptors.h: Include "gold-threads.h".
3003         (class Descriptors): Add initialize_lock_ field.
3004         * descriptors.cc (Descriptors::Descriptors): Initialize new
3005         field.
3006         (Descriptors::open): Use initialize_lock_ field
3007         * errors.h (class Errors): Add initialize_lock_ field.
3008         * errors.cc (Errors::Errors): Initialize new field.
3009         (Errors::initialize_lock): Use initialize_lock_ field.
3010         * powerpc.cc (class Target_selector_powerpc): Remove
3011         instantiated_target_ field.  In do_recognize call
3012         instantiate_target rather than do_instantiate_target.  In
3013         do_instantiate_target just allocate a new target.
3014         * sparc.cc (class Target_selector_sparc): Likewise.
3015
3016         * freebsd.h: New file.
3017         * i386.cc: Include "freebsd.h".
3018         (Target_i386): Derive from Target_freebsd rather than
3019         Sized_target.
3020         (Target_selector_i386): Derive from Target_selector_freebsd rather
3021         than Target_selector.
3022         * x86_64.cc: Include "freebsd.h".
3023         (Target_x86_64): Derive from Target_freebsd rather than
3024         Sized_target.
3025         (Target_selector_x86_64): Derive from Target_selector_freebsd
3026         rather than Target_selector.
3027         * target.h (class Target): Add adjust_elf_header and
3028         do_adjust_elf_header.
3029         * output.cc (Output_file_header:: do_sized_write): Call target
3030         adjust_elf_header routine.
3031         * configure.tgt: Set targ_osabi.
3032         * configure.ac: Define GOLD_DEFAULT_OSABI.
3033         * parameters.cc (Parameters::default_target): Pass
3034         GOLD_DEFAULT_OSABI to select_target.
3035         * target-select.h (class Target_selector): Make instantiate_target
3036         protected rather than private.
3037         * Makefile.am (HFILES): Add freebsd.h.
3038         * configure, Makefile.in, config.in: Rebuild.
3039
3040         * merge.cc (do_add_input_section): Correct pend value.  Change
3041         message about last entry not being null terminated from error to
3042         warning.
3043
3044 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
3045
3046         * incremental.cc: New file.
3047         * Makefile.am (CCFILES): Add incremental.cc.
3048         * Makefile.in: Rebuild.
3049
3050 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
3051
3052         * layout.cc (Layout::output_section_name): Preserve names
3053         of '.note.' sections.
3054
3055 2009-03-19  Ian Lance Taylor  <iant@google.com>
3056
3057         * descriptors.cc (Descriptors::open): Check that the options are
3058         valid before using them.
3059
3060 2009-03-18  Ian Lance Taylor  <iant@google.com>
3061
3062         * script-sections.h: Include <list>.
3063         (class Script_sections): Change Sections_elements from std::vector
3064         to std::list.  Typedef public Elements_iterator.  Add
3065         orphan_section_placement_, data_segment_align_start_, and
3066         saw_data_segment_align_ fields.  Remove data_segment_align_index_
3067         field.
3068         * script-sections.cc (class Orphan_section_placement): New class.
3069         (class Sections_element): Add virtual functions is_relro and
3070         orphan_section_init.  Remove virtual function place_orphan_here.
3071         (class Output_section_definition): Add is_relro and
3072         orphan_section_init.  Remove place_orphan_here.
3073         (class Orphan_output_section): Likewise.
3074         (Script_sections::Script_sections): Update for field changes.
3075         (Script_sections::data_segment_align): Set saw_data_segment_align_
3076         and data_segment_align_start_, not data_segment_align_index.
3077         (Script_sections::data_segment_relro_end): Check
3078         saw_data_segment_align_.  Use data_segment_align_start_ rather
3079         than data_segment_align_index_.
3080         (Script_sections::place_orphan): Rewrite to use
3081         Orphan_section_placement.
3082
3083 2009-03-17  Ian Lance Taylor  <iant@google.com>
3084
3085         * archive.cc (Archive::add_symbols): Check for a version attached
3086         to the symbol name in the archive map.
3087         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
3088         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
3089         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
3090         (ver_test_11.a): New target.
3091         * testsuite/Makefile.in: Rebuild.
3092
3093         * configure.ac: Check for chsize and posix_fallocate.  Replace
3094         ftruncate.
3095         * ftruncate.c: New file, from gnulib.
3096         * output.cc (posix_fallocate): Define dummy version if not
3097         HAVE_POSIX_FALLOCATE.
3098         (Output_file::map): Call posix_fallocate rather than lseek and
3099         write.
3100         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
3101         * configure, Makefile.in, config.in: Rebuild.
3102
3103 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
3104
3105         * layout.h (Layout::create_note): Add section_name parameter.
3106         * layout.cc (Layout::create_note): Likewise.
3107         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3108
3109 2009-03-17  Ian Lance Taylor  <iant@google.com>
3110
3111         * descriptors.cc: Include "options.h".
3112         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3113         (Descriptors::open): Always use O_CLOEXEC when opening a new
3114         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
3115         then set FD_CLOEXEC.
3116
3117         * sparc.cc (class Target_sparc): Add has_got_section.
3118         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
3119         make sure we have a GOT section.
3120
3121         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
3122         (Target_sparc::Scan::local): Likewise.
3123         (Target_sparc::Scan::global): Likewise.
3124         (Target_sparc::Relocate::relocate): Likewise.
3125         (Target_sparc::Relocate::relocate_tls): Likewise.
3126
3127         * symtab.cc (Symbol_table::define_default_version): New function,
3128         broken out of add_from_object.
3129         (Symbol_table::add_from_object): Call define_default_version.
3130         (Symbol_table::define_special_symbol): Add resolve_oldsym
3131         parameter.  Change all callers.  If the version for a symbol comes
3132         from a version script, resolve it with the symbol with the same
3133         name with no version.  Also add the symbol without a version if
3134         appropriate.
3135         (do_define_in_output_data): If resolving with oldsym, don't delete
3136         sym.
3137         (do_define_in_output_segment): Likewise.
3138         (do_define_as_constant): Likewise.
3139         * symtab.h (class Symbol_table): Update declarations.
3140
3141 2009-03-13  Ian Lance Taylor  <iant@google.com>
3142
3143         * readsyms.cc (Read_symbols::incompatible_warning): New function.
3144         (Read_symbols::requeue): New function.
3145         (Read_symbols::do_read_symbols): If make_elf_object fails because
3146         the target type is not configured, and the file was searched for,
3147         issue a warning and retry with the next directory.
3148         (Add_symbols::run): If the file has an incompatible format, and
3149         it was searched for, requeue the Read_symbols task.  On error,
3150         release the object.
3151         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
3152         dirindex parameter to constructor.  Change all callers.  Declare
3153         incompatible_warning and requeue.
3154         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3155         input_argument_ and input_group_ fields.  Add them to
3156         constructor.  Change all callers.
3157         (class Read_script): Add dirindex_ field.  Add it to constructor.
3158         Change all callers.
3159         * archive.cc (Archive::setup): Remove input_objects parameter.
3160         Change all callers.
3161         (Archive::get_file_and_offset): Likewise.
3162         (Archive::read_all_symbols): Likewise.
3163         (Archive::read_symbols): Likewise.
3164         (Archive::get_elf_object_for_member): Remove input_objects
3165         parameter.  Add punconfigured parameter.  Change all callers.
3166         (Archive::add_symbols): Change return type to bool.  Check return
3167         value of include_member.
3168         (Archive::include_all_members): Likewise.
3169         (Archive::include_member): Change return type to bool.  Return
3170         false if first included object has incompatible target.  Set
3171         included_member_ field.
3172         (Add_archive_symbols::run): If add_symbols returns false, requeue
3173         Read_symbols task.
3174         * archive.h (class Archive): Add included_member_ field.
3175         Initialize it in constructor.  Add input_file and searched_for
3176         methods.  Update declarations.
3177         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3178         input_argument_ fields.  Add them to constructor.  Change all
3179         callers.
3180         * script.cc: Include "target-select.h".
3181         (class Parser_closure): Add skip_on_incompatible_target_ and
3182         found_incompatible_target_ fields.  Add
3183         skip_on_incompatible_target parameter to constructor.  Change all
3184         callers.  Add methods skip_on_incompatible_target,
3185         clear_skip_on_incompatible_target, found_incompatible_target, and
3186         set_found_incompatible_target.
3187         (read_input_script): Add dirindex parameter.  Change all callers.
3188         If parser finds an incompatible target, requeue Read_symbols
3189         task.
3190         (script_set_symbol): Clear skip_on_incompatible_target in
3191         closure.
3192         (script_add_assertion, script_parse_option): Likewise.
3193         (script_start_sections, script_add_phdr): Likewise.
3194         (script_check_output_format): New function.
3195         * script.h (read_input_script): Update declaration.
3196         * script-c.h (script_check_output_format): Declare.
3197         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3198         (ignore_cmd): Remove OUTPUT_FORMAT.
3199         * fileread.cc (Input_file::Input_file): Add explicit this.
3200         (Input_file::will_search_for): New function.
3201         (Input_file::open): Add pindex parameter.  Change all callers.
3202         * fileread.h (class Input_file): Add input_file_argument method.
3203         Declare will_search_for.  Update declarations.
3204         * object.cc (make_elf_object): Add punconfigured parameter.
3205         Change all callers.
3206         * object.h (class Object): Make input_file public.  Add
3207         searched_for method.
3208         (make_elf_object): Update declaration.
3209         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
3210         restart search.
3211         * dirsearch.h (class Dirsearch): Update declaration.
3212         * options.h (class General_options): Add --warn-search-mismatch.
3213         * parameters.cc (Parameters::is_compatible_target): New function.
3214         * parameters.h (class Parameters): Declare is_compatible_target.
3215         * workqueue.cc (Workqueue::add_blocker): New function.
3216         * workqueue.h (class Workqueue): Declare add_blocker.
3217
3218         * fileread.cc (Input_file::open): Remove options parameter.
3219         Change all callers.
3220         (Input_file::open_binary): Likewise.
3221         * script.cc (read_input_script): Likewise.
3222         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
3223         options parameter from constructor.  Change all callers.
3224         (class Read_script): Likewise.
3225         * fileread.h (class Input_file): Update declarations.
3226         * script.h (read_input_script): Update declaration.
3227
3228 2009-03-10  Nick Clifton  <nickc@redhat.com>
3229
3230         * po/es.po: New Spanish translation.
3231
3232 2009-03-06  Cary Coutant  <ccoutant@google.com>
3233
3234         * options.cc (parse_short_option): Keep dash_z from registering itself.
3235
3236 2009-03-03  Ian Lance Taylor  <iant@google.com>
3237
3238         PR 9918
3239         * target-reloc.h (relocate_section): Pass output_section to
3240         relocate.
3241         * i386.cc (Target_i386::should_apply_static_reloc): Add
3242         output_section parameter.  Change all callers.
3243         (Target_i386::Relocate::relocate): Add output_section parameter.
3244         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3245         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3246         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3247         * testsuite/two_file_shared.sh: New script.
3248         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3249         (check_DATA): Add two_file_shared.dbg.
3250         (two_file_shared.dbg): New target.
3251         * testsuite/Makefile.in: Rebuild.
3252
3253 2009-03-01  Ian Lance Taylor  <iant@google.com>
3254
3255         * configure.ac: Check for byteswap.h.
3256         * configure: Rebuild.
3257         * config.in: Rebuild.
3258
3259 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
3260
3261         * layout.cc (Layout::find_or_add_kept_section): New function.
3262         (Layout::add_comdat): Removed.
3263         * layout.h (struct Kept_section): Move out of class Layout.
3264         Remove trailing underscores from field names.  Add group_sections
3265         field.  Rename group_ field to is_group.  Change all uses.
3266         (class Layout): Declare find_or_add_kept_section, not add_comdat.
3267         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3268         comdat_groups_ field.
3269         (Sized_relobj::include_section_group): Use
3270         find_or_add_kept_section and Kept_section::group_sections.
3271         (Sized_relobj::include_linkonce_section): Likewise.
3272         * object.cc (class Sized_relobj): Don't define Comdat_group or
3273         Comdat_group_table.  Remove find_comdat_group and
3274         add_comdat_group.  Remove comdat_groups_ field.
3275         * plugin.cc (include_comdat_group): Use
3276         Layout::find_or_add_kept_section.
3277
3278 2009-02-28  Ian Lance Taylor  <iant@google.com>
3279
3280         * README: --gc-sections and map files are now supported.  Document
3281         some build requirements.
3282
3283         PR 6992
3284         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3285         relocatable link set the value of the section symbol to zero.
3286         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3287         relocatable link don't include the section address in the local
3288         symbol value.
3289
3290 2009-02-27  Ian Lance Taylor  <iant@google.com>
3291
3292         PR 6811
3293         * options.h (class Search_directory): Add is_system_directory.
3294         (class General_options): Declare is_in_system_directory.
3295         * options.cc (get_relative_sysroot): Make static.
3296         (get_default_sysroot): Make static.
3297         (General_optoins::is_in_system_directory): New function.
3298         * fileread.cc (Input_file::is_in_system_directory): New function.
3299         * fileread.h (class Input_file): Declare is_in_system_directory.
3300         * object.h (class Object): Add is_in_system_directory.
3301         (class Input_objects): Remove system_library_directory_ field.
3302         * object.cc (Input_objects::add_object): Don't set
3303         system_library_directory_.
3304         (input_objects::found_in_system_library_directory): Remove.
3305         * symtab.cc (Symbol_table::write_globals): Remove input_objects
3306         parameter.  Change all callers.
3307         (Symbol_table::sized_write_globals): Likewise.
3308         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3309         Call Object::is_in_system_directory.
3310         * symtab.h (class Symbol_table): Update declarations.
3311
3312         PR 5990
3313         * descriptors.h (Open_descriptor): Add is_on_stack field.
3314         * descriptors.cc (Descriptors::open): If the descriptor is on the
3315         top of the stack, remove it.  Initialize is_on_stack field.
3316         (Descriptors::release): Only add pod to stack if it is not on the
3317         stack already.
3318         (Descriptors::close_some_descriptor): Clear stack_next and
3319         is_on_stack fields.
3320
3321         PR 7091
3322         * output.cc (Output_section::find_starting_output_address): Rename
3323         from starting_output_address; add PADDR parameter; change return
3324         type.
3325         * output.h (class Output_section): Declare
3326         find_starting_output_address instead of starting_output_address.
3327         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3328         section symbol for which we can't find a merge section.
3329
3330         PR 9836
3331         * symtab.cc (Symbol_table::add_from_object): If the visibility is
3332         hidden or internal, force the symbol to be local.
3333         * resolve.cc (Symbol::override_visibility): Define.
3334         (Symbol::override_base): Use override_visibility.
3335         (Symbol_table::resolve): Likewise.
3336         (Symbol::override_base_with_special): Likewise.
3337         (Symbol_table::override_with_special): If the visibility is hidden
3338         or internal, force the symbol to be local.
3339         * symtab.h (class Symbol): Add set_visibility and
3340         override_visibility.
3341         * testsuite/ver_test_1.sh: New file.
3342         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3343         (check_DATA): Add ver_test_1.syms.
3344         (ver_test_1.syms): New target.
3345         * testsuite/Makefile.in: Rebuild.
3346
3347 2009-02-25  Cary Coutant  <ccoutant@google.com>
3348
3349         * layout.cc (Layout::choose_output_section): Don't rename sections
3350         when using a linker script that has a SECTIONS clause.
3351         * Makefile.in: Regenerate.
3352
3353         * testsuite/Makefile.am (script_test_5.sh): New test case.
3354         * testsuite/Makefile.in: Regenerate.
3355         * testsuite/script_test_5.cc: New file.
3356         * testsuite/script_test_5.sh: New file.
3357         * testsuite/script_test_5.t: New file.
3358
3359 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
3360
3361         * archive.cc (Archive::include_member): Update calls to add_symbols.
3362         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3363         the Layout argument.
3364         * dynobj.h (do_add_symbols): Add the Layout argument.
3365         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3366         Layout argument.
3367         * object.h (Object::add_symbols): Add the Layout argument.
3368         (Object::do_add_symbols): Add the Layout argument.
3369         (Sized_relobj::do_add_symbols): Add the Layout argument.
3370         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3371         Unify the two versions.
3372         (Add_plugin_symbols): Remove.
3373         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3374         (Sized_pluginobj::do_add_symbols): Unify the two versions.
3375         (Add_plugin_symbols): Remove.
3376         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3377         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3378         (Add_symbols::run): Make it work with Pulginobj.
3379
3380 2009-02-06  Ian Lance Taylor  <iant@google.com>
3381
3382         * object.cc (Sized_relobj::do_layout): Make info message start
3383         with lower case letter.
3384
3385 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
3386
3387         * binary.cc: Fix file comment.
3388
3389         * options.h (enum Incremental_disposition): Define.
3390         (class General_options): Add new options: --incremental,
3391         --incremental_changed, --incremental_unchanged,
3392         --incremental_unknown.  Add incremental_disposition_ and
3393         implicit_incremental_ fields.
3394         (General_options::incremental_disposition): New function.
3395         (class Position_dependent_options): Add incremental_disposition
3396         option.
3397         (Position_dependent_options::copy_from_options): Set incremental
3398         dispositions.
3399         * options.cc (General_options::parse_incremental_changed): New
3400         function.
3401         (General_options::parse_incremental_unchanged): New function.
3402         (General_options::parse_incremental_unknown): New function.
3403         (General_options::General_options): Initialize new fields
3404         incremental_disposition_ and implicit_incremental_.
3405         (General_options::finalize): Check for uasge of --incremental-*
3406         without --incremental.
3407
3408 2009-02-06  Chris Demetriou  <cgd@google.com>
3409
3410         * gold.h (gold_undefined_symbol): Change to take only a Symbol
3411         pointer and to report location as the file name associated with
3412         the symbol.
3413         (gold_undefined_symbol_at_location): New function to replace the
3414         old gold_undefined_symbol functionality.
3415         * target-reloc.h (relocate_section): Update to use
3416         gold_undefined_symbol_at_location.
3417         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3418         Call gold_undefined_symbol function rather than gold_error.
3419         * errors.h (Errors::undefined_symbol): Take location as a
3420         string, rather than calculating it from a relocation.
3421         * errors.cc (Errors::fatal): Print "fatal error:" before the
3422         formatted message.
3423         (Errors::error, Errors::error_at_location): Print "error: "
3424         before the formatted message.
3425         (Errors::undefined_symbol): Take location as a string, rather
3426         than calculating it from a relocation.
3427         (gold_undefined_symbol_at_location): New function akin to
3428         old gold_undefined_symbol, calculates location from relocation.
3429         (gold_undefined_symbol): Change to take only a Symbol pointer
3430         and to report location as the file name associated with the symbol.
3431         * testsuite/debug_msg.sh: Update for changed error messages.
3432         * testsuite/undef_symbol.sh: Likewise.
3433
3434 2009-02-04  Duncan Sands  <baldrick@free.fr>
3435
3436         PR 9812
3437         * reduced_debug_output.h
3438         (Output_reduced_debug_abbrev_section::failed): Use format for
3439         gold_warning.
3440         (Output_reduced_debug_info_section::faild): Likewise.
3441
3442 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3443
3444         * script.cc (Lazy_demangler): New class.
3445         (Version_script_info::get_symbol_version_helper): Demangle a
3446         symbol only once.
3447
3448 2009-01-29  Cary Coutant  <ccoutant@google.com>
3449
3450         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3451         to __tls_get_addr.
3452         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3453
3454 2009-01-28  Ian Lance Taylor  <iant@google.com>
3455
3456         * version.cc (version_string): Bump to 1.9.
3457
3458         * gold.h: Include <cstring> and <stdint.h>.
3459         * version.cc: Include <cstdio>.
3460         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3461         warning.
3462         * reduced_debug_output.cc (insert_into_vector): Rename from
3463         Insert_into_vector; change all callers.  Use Swap_unaligned to
3464         avoid aliasing issue; remove union since it is unnecessary.
3465
3466 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3467
3468         * Makefile.am (CCFILES): Add gc.cc.
3469         (HFILES): Add gc.h.
3470         * Makefile.in: Regenerate.
3471         * gold.cc (Gc_runner): New class.
3472         (queue_initial_tasks): Call garbage collection related tasks
3473         when corresponding options are invoked.
3474         (queue_middle_gc_tasks): New function.
3475         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3476         processed early before laying out sections during garbage collection.
3477         * gold.h (queue_middle_gc_tasks): New function.
3478         (is_prefix_of): Move from "layout.cc".
3479         * i386.cc (Target_i386::gc_process_relocs): New function.
3480         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3481         * main.cc (main): Create object of class "Garbage_collection".
3482         * object.cc (Relobj::copy_symbols_data): New function.
3483         (Relobj::is_section_name_included): New function.
3484         (Sized_relobj::do_layout): Allow this function to be called twice
3485         during garbage collection and defer layout of section during the
3486         first call.
3487         * object.h (Relobj::get_symbols_data): New function.
3488         (Relobj::is_section_name_included): New function.
3489         (Relobj::copy_symbols_data): New function.
3490         (Relobj::set_symbols_data): New function.
3491         (Relobj::get_relocs_data): New function.
3492         (Relobj::set_relocs_data): New function.
3493         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3494         (Relobj::gc_process_relocs): New function.
3495         (Relobj::do_gc_process_relocs): New pure virtual function.
3496         (Relobj::sd_): New data member.
3497         (Sized_relobj::is_output_section_offset_invalid): New function.
3498         (Sized_relobj::do_gc_process_relocs): New function.
3499         * options.h (General_options::gc_sections): Modify to not be a no-op.
3500         (General_options::print_gc_sections): New option.
3501         * plugin.cc (Plugin_finish::run): Remove function call to
3502         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3503         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3504         * reloc.cc (Read_relocs::run): Add task to process relocs and
3505         determine unreferenced sections when doing garbage collection.
3506         (Gc_process_relocs): New class.
3507         (Sized_relobj::do_gc_process_relocs): New function.
3508         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3509         sections that are garbage collected.
3510         * reloc.h (Gc_process_relocs): New class.
3511         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3512         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3513         symbols whose corresponding sections are garbage collected.
3514         (Symbol_table::Symbol_table): Add new parameter for the garbage
3515         collection object.
3516         (Symbol_table::gc_mark_undef_symbols): New function.
3517         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3518         (Symbol_table::gc_mark_dyn_syms): New function.
3519         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3520         as garbage.
3521         (Symbol_table::add_from_object): Likewise.
3522         (Symbol_table::add_from_relobj): When building shared objects, do not
3523         treat externally visible symbols as garbage.
3524         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3525         table information for static and relocatable links.
3526         * symtab.h (Symbol_table::set_gc): New function.
3527         (Symbol_table::gc): New function.
3528         (Symbol_table::gc_mark_undef_symbols): New function.
3529         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3530         (Symbol_table::gc_mark_dyn_syms): New function.
3531         (Symbol_table::gc_): New data member.
3532         * target.h (Sized_target::gc_process_relocs): New pure virtual
3533         function.
3534         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3535         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3536
3537 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3538
3539         * options.h (General_options::gc_sections): Define as a no-op for now.
3540         (General_options::no_keep_memory): Ditto.
3541         (General_options::Bshareable): Define.
3542         * options.cc (General_options::finalize): Honor -Bshareable.
3543
3544 2009-01-20  Andreas Schwab  <schwab@suse.de>
3545
3546         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3547         read the value in the contents, since we don't use it.  Use the
3548         template endianness when writing.
3549         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3550
3551 2009-01-19  Andreas Schwab  <schwab@suse.de>
3552
3553         * configure.tgt (powerpc64-*): Fix targ_obj.
3554
3555 2009-01-15  Ian Lance Taylor  <iant@google.com>
3556
3557         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3558         local symbols when stripping all symbols.
3559
3560 2009-01-14  Cary Coutant  <ccoutant@google.com>
3561
3562         * output.cc (Output_reloc): Add explicit instantiations.
3563
3564 2009-01-14  Cary Coutant  <ccoutant@google.com>
3565
3566         * archive.cc (Archive::get_elf_object_for_member): Remove call
3567         to File_read::claim_for_plugin.
3568         * descriptors.cc (Descriptors::open): Remove reference to
3569         is_claimed.
3570         (Descriptors::claim_for_plugin): Remove.
3571         * descriptors.h (Descriptors::claim_for_plugin): Remove.
3572         (Descriptors::is_claimed): Remove.
3573         (claim_descriptor_for_plugin): Remove.
3574         * fileread.cc (File_read::claim_for_plugin): Remove.
3575         * fileread.h (File_read::claim_for_plugin): Remove.
3576         (File_read::descriptor): Reopen descriptor if necessary.
3577         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
3578         (Plugin_manager::all_symbols_read): Add task parameter. Change
3579         all callers.
3580         (Plugin_manager::get_input_file): New function.
3581         (Plugin_manager::release_input_file): New function.
3582         (Pluginobj::Pluginobj): Add filesize parameter and initialize
3583         corresponding data member.
3584         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3585         and pass to base constructor. Change all callers.
3586         (get_input_file, release_input_file): New functions.
3587         (make_sized_plugin_object): Add filesize parameter. Change all callers.
3588         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3589         (Plugin_manager::all_symbols_read): Add task parameter.
3590         (Plugin_manager::get_input_file): New function.
3591         (Plugin_manager::release_input_file): New function.
3592         (Plugin_manager::task_): New data member.
3593         (Pluginobj::Pluginobj): Add filesize parameter.
3594         (Pluginobj::filename): New function.
3595         (Pluginobj::descriptor): New function.
3596         (Pluginobj::filesize): New function.
3597         (Pluginobj::filesize_): New data member.
3598         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3599         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3600         File_read::claim_for_plugin; use Object::unlock to unlock the file.
3601
3602         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3603         with archive libraries.
3604         * testsuite/Makefile.in: Regenerate.
3605         * testsuite/plugin_test.c (struct sym_info): New type.
3606         (get_input_file, release_input_file): New static variables.
3607         (onload): Capture new transfer vector entries.
3608         (claim_file_hook): Stop reading at end of file according to filesize.
3609         Factor out parsing of readelf output into separate function.
3610         (all_symbols_read_hook): Exercise get_input_file and release_input_file
3611         APIs and get the source file name from the symbol table.  Convert
3612         source file name to corresponding object file name.  Print info
3613         message when adding new input files.
3614         (parse_readelf_line): New function.
3615         * testsuite/plugin_test_1.sh: Add checks for new info messages.
3616         * testsuite/plugin_test_2.sh: Likewise.
3617         * testsuite/plugin_test_3.sh: Likewise.
3618         * testsuite/plugin_test_4.sh: New test case.
3619
3620 2009-01-07  Ian Lance Taylor  <iant@google.com>
3621
3622         * version.cc (version_string): Bump to 1.8.
3623
3624 2008-12-23  Cary Coutant  <ccoutant@google.com>
3625
3626         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3627         * plugin.cc (Plugin_manager::finish): Rename as
3628         layout_deferred_objects.  Move cleanup to separate function.
3629         (Plugin_manager::cleanup): New function.
3630         (Plugin_finish::run): Call layout_deferred_objects and cleanup
3631         separately.
3632         * plugin.h (Plugin_manager::finish): Rename as
3633         layout_deferred_objects.
3634         (Plugin_manager::cleanup): New function.
3635         (Plugin_manager::cleanup_done): New field.
3636
3637 2008-12-23  Cary Coutant  <ccoutant@google.com>
3638
3639         * plugin.cc (is_visible_from_outside): New function.
3640         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3641         so we don't return "IR only" status for exported symbols or -r links.
3642
3643         * testsuite/Makefile.am (plugin_test_3): New test case.
3644         * testsuite/Makefile.in: Regenerate.
3645         * testsuite/plugin_test_3.sh: New file.
3646
3647 2008-12-22  Cary Coutant  <ccoutant@google.com>
3648
3649         * object.cc (Sized_relobj::layout_section): New function.
3650         (Sized_relobj::do_layout): Defer layout of input sections until after
3651         plugin has provided replacement files.
3652         (Sized_relobj::do_layout_deferred_sections): New function.
3653         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3654         (Relobj::layout_deferred_sections): New function.
3655         (Relobj::do_layout_deferred_sections): New function.
3656         (Sized_relobj::do_layout_deferred_sections): New function.
3657         (Sized_relobj::layout_section): New function.
3658         (Sized_relobj::Deferred_layout): New structure.
3659         (Sized_relobj::deferred_layout_): New field.
3660         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3661         Change all callers.  Layout deferred sections.
3662         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3663         references.
3664         (Plugin_hook::run): Move code from do_plugin_hook inline.
3665         (Plugin_hook::do_plugin_hook): Remove.
3666         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3667         (Plugin_manager::finish): Renamed, was cleanup.
3668         (Plugin_manager::should_defer_layout): New function.
3669         (Plugin_manager::add_deferred_layout_object): New function.
3670         (Plugin_manager::Deferred_layout_list): New type.
3671         (Plugin_manager::deferred_layout_objects_): New field.
3672         (Plugin_hook::do_plugin_hook): Remove.
3673
3674 2008-12-17  Ian Lance Taylor  <iant@google.com>
3675
3676         * options.h (class General_options): Add --no case for
3677         --export-dynamic.
3678
3679 2008-12-16  Cary Coutant  <ccoutant@google.com>
3680
3681         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3682         vector.
3683         (Plugin_manager::claim_file): Create plugin object even if
3684         plugin did not call the add_symbols callback.
3685         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3686         asking for more symbols than were added.
3687         * testsuite/Makefile.am (plugin_test_1): Add test case with
3688         no global symbols.
3689         (empty.syms): New target.
3690         * testsuite/Makefile.in: Regenerate.
3691         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3692         message. Don't call add_symbols if no globals.
3693         (all_symbols_read_hook): Don't provide replacement for empty
3694         claimed file.
3695
3696 2008-12-12  Ian Lance Taylor  <iant@google.com>
3697
3698         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3699         r_type == 0 for a local symbol with r_sym == 0.
3700         (scan_relocatable_relocs): Pass r_sym to
3701         local_non_section_strategy.
3702         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3703         r_sym parameter.
3704
3705         * configure.ac: Update test for TLS descriptors: they are
3706         supported as of glibc 2.9.
3707         * configure: Rebuild.
3708
3709 2008-12-11  Ian Lance Taylor  <iant@google.com>
3710
3711         PR 7091
3712         * target-reloc.h (Default_scan_relocatable_relocs): For each
3713         function, map r_type == 0 to RELOC_DISCARD.
3714
3715 2008-12-10  Cary Coutant  <ccoutant@google.com>
3716
3717         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3718         object to override a kept COMDAT group from a plugin object.
3719
3720 2008-12-09  Ian Lance Taylor  <iant@google.com>
3721
3722         PR 7088
3723         * yyscript.y (file_cmd): Handle INPUT.
3724
3725         * testsuite/initpri1.c: Change all declarations to be full
3726         prototypes by adding void, to avoid compiler warnings.
3727
3728 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3729
3730         * options.cc (General_options::parse_plugin_opt): New.
3731         (General_options::add_plugin): The argument now is just the filename.
3732         (General_options::add_plugin_option): New.
3733         * options.h (plugin_opt): New.
3734         (add_plugin): Change argument name.
3735         (add_plugin_option): New.
3736         * plugin.cc (Plugin::load): Don't parse the plugin option.
3737         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3738         (Plugin::add_option): New.
3739         (Plugin::args_): Change type.
3740         (Plugin::filename_): New.
3741         (Plugin_manager::add_plugin_option): New.
3742         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3743         * testsuite/Makefile.in: Regenerate.
3744
3745 2008-12-05  Cary Coutant  <ccoutant@google.com>
3746
3747         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3748         Handle --strip-lto-sections option.
3749         * options.h (strip_lto_sections): New option.
3750
3751 2008-12-01  Cary Coutant  <ccoutant@google.com>
3752
3753         * plugin.cc (ld_plugin_message): Change format parameter to const.
3754         Fix mismatch between new[] and delete.
3755
3756 2008-11-14  Cary Coutant  <ccoutant@google.com>
3757
3758         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3759         instead of -1U.
3760
3761 2008-11-05  Craig Silverstein  <csilvers@google.com>
3762
3763         * options.cc (General_options::parse_dynamic_list): New function.
3764         * options.h (General_options): New flags dynamic_list,
3765         dynamic_list_data, dynamic_list_cpp_new, and
3766         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3767         (General_options::in_dynamic_list): New function.
3768         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3769         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3770         (Lex::can_continue_name): Likewise.
3771         (yylex): Likewise.
3772         (read_script_file): New parameter script_options.
3773         (read_dynamic_list): New function.
3774         (Script_options::define_dynamic_list): New function.
3775         (dynamic_list_keyword_parsecodes): New variable.
3776         (dynamic_list_keywords): New variable.
3777         * script.h (Script_options::define_dynamic_list): New function
3778         prototype.
3779         (read_dynamic_list): New function prototype.
3780         * symtab.cc (strprefix): New macro.
3781         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3782         dynamic_list_data, dynamic_list_cpp_new, and
3783         dynamic_list_cpp_typeinfo.
3784         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3785         (dynamic_list_expr): New rule.
3786         (dynamic_list_nodes): Likewise.
3787         (dynamic_list_node): Likewise.
3788         * testsuite/Makefile.am (dynamic_list): New test.
3789         * testsuite/Makefile.in: Regenerated.
3790         * testsuite/dynamic_list.t: New file.
3791         * testsuite/dynamic_list.sh: New file.
3792
3793 2008-11-05  Craig Silverstein  <csilvers@google.com>
3794
3795         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3796         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3797         (t11_last): Likewise.
3798         * testsuite/ver_test_6.c (main): Likewise.
3799
3800 2008-10-07  Cary Coutant  <ccoutant@google.com>
3801
3802         * options.c (General_options::finalize): Add check for -static and
3803         -shared.
3804         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3805         is not empty.
3806
3807 2008-10-02  Cary Coutant  <ccoutant@google.com>
3808
3809         * plugin.cc (make_sized_plugin_object): Fix conditional
3810         compilation to work when not all targets are enabled.
3811
3812 2008-09-29  Cary Coutant  <ccoutant@google.com>
3813
3814         * archive.cc (Archive::get_file_and_offset): Use filename instead
3815         of name to get library path.
3816         (Archive::include_member): Unlock external member of a thin archive.
3817
3818         * testsuite/Makefile.am (TEST_AR): New variable.
3819         (thin_archive_test_1): New test.
3820         (thin_archive_test_2): New test.
3821         * testsuite/Makefile.in: Regenerate.
3822         * testsuite/thin_archive_main.cc: New file.
3823         * testsuite/thin_archive_test_1.cc: New file.
3824         * testsuite/thin_archive_test_2.cc: New file.
3825         * testsuite/thin_archive_test_3.cc: New file.
3826         * testsuite/thin_archive_test_4.cc: New file.
3827
3828 2008-09-29  Cary Coutant  <ccoutant@google.com>
3829
3830         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3831         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3832         instead of -1U.
3833         (Sized_relobj::do_finalize_local_symbols): Likewise.
3834         (Sized_relobj::map_to_kept_section): Likewise.
3835         * object.h (Sized_relobj::invalid_address): New constant.
3836         (Sized_relobj::do_output_section_offset): Check for invalid_address
3837         and return -1ULL.
3838         * output.cc (Output_reloc::local_section_offset): Use constant
3839         invalid_address instead of -1U.
3840         (Output_reloc::get_address): Likewise.
3841         (Output_section::output_address): Change -1U to -1ULL.
3842         * output.h (Output_reloc::invalid_address): New constant.
3843         * reloc.cc (Sized_relobj::write_sections): Use constant
3844         invalid_address instead of -1U.
3845         (Sized_relobj::relocate_sections): Likewise.
3846         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3847         values for merge sections.
3848         * target-reloc.h (relocate_for_relocatable): Use constant
3849         invalid_address instead of -1U.
3850
3851 2008-09-19  Cary Coutant  <ccoutant@google.com>
3852
3853         Add plugin functionality for link-time optimization (LTO).
3854         * configure.ac (plugins): Add --enable-plugins option.
3855         * configure: Regenerate.
3856         * config.in: Regenerate.
3857         * Makefile.am (LIBDL): New variable.
3858         (CCFILES): Add plugin.cc.
3859         (HFILES): Add plugin.h.
3860         (ldadd_var): Add LIBDL.
3861         * Makefile.in: Regenerate.
3862
3863         * archive.cc: Include "plugin.h".
3864         (Archive::setup): Don't preread archive symbols when using a plugin.
3865         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3866         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3867         files.
3868         (Archive::include_member): Add symbols from plugin objects.
3869         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3870         * descriptors.cc (Descriptors::open): Check for file descriptors
3871         abandoned by plugins.
3872         (Descriptors::claim_for_plugin): New function.
3873         * descriptors.h (Descriptors::claim_for_plugin): New function.
3874         (Open_descriptor::is_claimed): New field.
3875         (claim_descriptor_for_plugin): New function.
3876         * fileread.cc (File_read::claim_for_plugin): New function.
3877         * fileread.h (File_read::claim_for_plugin): New function.
3878         (File_read::descriptor): New function.
3879         * gold.cc: Include "plugin.h".
3880         (queue_initial_tasks): Add task to call plugin hooks for generating
3881         new object files.
3882         * main.cc: Include "plugin.h".
3883         (main): Load plugin libraries.
3884         * object.h (Pluginobj): Declare.
3885         (Object::pluginobj): New function.
3886         (Object::do_pluginobj): New function.
3887         (Object::set_target): New function.
3888         * options.cc: Include "plugin.h".
3889         (General_options::parse_plugin): New function.
3890         (General_options::General_options): Initialize plugins_ field.
3891         (General_options::add_plugin): New function.
3892         * options.h (Plugin_manager): Declare.
3893         (General_options): Add --plugin option.
3894         (General_options::has_plugins): New function.
3895         (General_options::plugins): New function.
3896         (General_options::add_plugin): New function.
3897         (General_options::plugins_): New field.
3898         * plugin.cc: New file.
3899         * plugin.h: New file.
3900         * readsyms.cc: Include "plugin.h".
3901         (Read_symbols::do_read_symbols): Check for archive before checking
3902         for ELF file.  Call plugin hooks to claim files.
3903         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3904         from a real object file; force override when processing replacement
3905         files.
3906         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3907         (Symbol::init_base_object): Likewise.
3908         (Symbol::init_base_output_data): Likewise.
3909         (Symbol::init_base_output_segment): Likewise.
3910         (Symbol::init_base_constant): Likewise.
3911         (Symbol::init_base_undefined): Likewise.
3912         (Symbol::output_section): Assert that object is not a plugin.
3913         (Symbol_table::add_from_pluginobj): New function.
3914         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3915         undefined.
3916         (Symbol_table::sized_write_globals): Likewise.
3917         (Symbol_table::add_from_pluginobj): Instantiate template.
3918         * symtab.h (Sized_pluginobj): Declare.
3919         (Symbol::in_real_elf): New function.
3920         (Symbol::set_in_real_elf): New function.
3921         (Symbol::in_real_elf_): New field.
3922         (Symbol_table::add_from_pluginobj): New function.
3923
3924         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3925         (LIBDL): New variable.
3926         (LDADD): Add LIBDL.
3927         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3928         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3929         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3930         (MOSTLYCLEANFILES): Likewise.
3931         * testsuite/Makefile.in: Regenerate.
3932         * testsuite/plugin_test.c: New file.
3933         * testsuite/plugin_test_1.sh: New file.
3934         * testsuite/plugin_test_2.sh: New file.
3935
3936 2008-09-16  Ian Lance Taylor  <iant@google.com>
3937
3938         * target-reloc.h (relocate_section): Check whether a symbol is
3939         defined by the ABI before reporting an undefined symbol error.
3940         * target.h (Target::is_defined_by_abi): Make parameter const.
3941         (Target::do_is_defined_by_abi): Likewise.
3942         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3943         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3944         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3945         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3946         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3947         * testsuite/Makefile.in: Rebuild.
3948
3949         * fileread.cc (make_view): Add casts to avoid warning.
3950
3951 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3952
3953         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3954         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3955
3956 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3957
3958         * options.h (General_options::output_is_executable): New.
3959         (General_options::output_is_pie): New.
3960         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3961         for shared libraries.
3962         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3963
3964 2008-09-11  Chris Demetriou  <cgd@google.com>
3965
3966         * options.h (origin): New -z option.
3967         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3968         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3969         in DT_FLAGS_1.
3970
3971 2008-09-05  Cary Coutant  <ccoutant@google.com>
3972
3973         * fileread.cc (File_read::make_view): Add check for attempt to map
3974         beyond end of file.
3975
3976 2008-09-05  Cary Coutant  <ccoutant@google.com>
3977
3978         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3979         explicit instantiations.
3980
3981 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
3982
3983         PR gold/6858
3984         * options.cc (General_options::finalize): Allow undefined symbols
3985         in shlibs if linking -shared.
3986
3987         PR gold/6859
3988         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3989         symbols as not needing a dynsym entry.
3990
3991 2008-08-20  Craig Silverstein  <csilvers@google.com>
3992
3993         * fileread.cc (File_read::open): Do not lock the file unless it
3994         was successfully opened.
3995
3996 2008-08-14  Cary Coutant  <ccoutant@google.com>
3997
3998         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3999         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
4000         * testsuite/tls_test.cc (struct int128): 128-bit struct
4001         for testing TLS relocs with non-zero addend.
4002         (v12): New TLS variable.
4003         (t12): New test.
4004         (t_last): Add check for v12.
4005         * testsuite/tls_test.h (t12): New function.
4006         * testsuite/tls_test_main.cc (thread_routine): Call new test.
4007
4008 2008-08-13  Ian Lance Taylor  <iant@google.com>
4009
4010         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
4011         set tls_segment_ or relro_segment_.
4012         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
4013         when appropriate.
4014         * output.h (Output_section::clear_is_relro): New function.
4015         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
4016         sections specially even when output_data_ is empty.
4017         (Output_segment::maximum_alignment): When first section is relro,
4018         only force alignment for PT_LOAD segments.
4019         * script.cc (script_data_segment_align): New function.
4020         (script_data_segment_relro_end): New function.
4021         * script-c.h (script_data_segment_align): Declare.
4022         (script_data_segment_relro_end): Declare.
4023         * script-sections.h (class Script_sections): Declare
4024         data_segment_align and data_segment_relro_end.  Add fields
4025         segment_align_index_ and saw_relro_end_.
4026         * script-sections.cc (class Sections_element): Add set_is_relro
4027         virtual function.  Add new bool* parameter to place_orphan_here.
4028         Add get_output_section virtual function.
4029         (class Output_section_definition): Add set_is_relro.  Add new
4030         bool* parameter to place_orphan_here.  Add get_output_section.
4031         Add is_relro_ field.
4032         (Output_section_definition::Output_section_definition): Initialize
4033         evaluated_address_, evaluated_load_address, evaluated_addralign_,
4034         and is_relro_ fields.
4035         (Output_section_definition::place_orphan_here): Add is_relro
4036         parameter.
4037         (Output_section_definition::set_section_addresses): Set relro for
4038         output section.
4039         (Output_section_definition::alternate_constraint): Likewise.
4040         (class Orphan_output_section): Add new bool* parameter to
4041         place_orphan_here.  Add get_output_section.
4042         (Orphan_output_section::place_orphan_here): Add is_relro
4043         parameter.
4044         (Script_sections::Script_sections): Initialize
4045         data_segment_align_index_ and saw_relro_end_.
4046         (Script_sections::data_segment_align): New function.
4047         (Script_sections::data_segment_relro_end): New function.
4048         (Script_sections::place_orphan): Set or clear is_relro.
4049         (Script_sections::set_section_addresses): Force alignment of first
4050         TLS section.
4051         * yyscript.y (exp): Call script_data_segment_align and
4052         script_data_segment_relro_end.
4053         * testsuite/relro_script_test.t: New file.
4054         * testsuite/relro_test.cc (using_script): Declare.
4055         (t1, t2): Test using_script.
4056         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
4057         (relro_script_test_SOURCES): Define.
4058         (relro_script_test_DEPENDENCIES): Define.
4059         (relro_script_test_LDFLAGS): Define.
4060         (relro_script_test_LDADD): Define.
4061         (relro_script_test.so): New target.
4062         * testsuite/Makefile.in: Rebuild.
4063
4064 2008-08-06  Cary Coutant <ccoutant@google.com>
4065
4066         * archive.cc (Archive::total_archives, Archive::total_members)
4067         (Archive::total_members_loaded): New variables.
4068         (Archive::setup): Add parameter.  Add option to preread
4069         archive symbols.
4070         (Archive::read_armap): Add counter.
4071         (Archive::get_file_and_offset): New function.
4072         (Archive::get_elf_object_for_member): New function.
4073         (Archive::read_all_symbols): New function.
4074         (Archive::read_symbols): New function.
4075         (Archive::add_symbols): Add counters.
4076         (Archive::include_all_members): Use armap to find members if it's
4077         already built.
4078         (Archive::include_member): Skip reading symbols if already read.
4079         Factored code into Archive::get_file_and_offset and
4080         Archive::get_elf_object_for_member.  Changed call to
4081         Mapfile::report_include_archive_member.
4082         (Archive::print_stats): New function.
4083         * archive.h: Declare Object and Read_symbols_data classes.
4084         (Archive::Archive): Add initializers for new members.
4085         (Archive::setup): Add parameter.
4086         (Archive::print_stats): New function.
4087         (Archive::total_archives, Archive::total_members)
4088         (Archive::total_members_loaded): New variables.
4089         (Archive::get_file_and_offset): New function.
4090         (Archive::get_elf_object_for_member): New function.
4091         (Archive::read_all_symbols): New function.
4092         (Archive::read_symbols): New function.
4093         (Archive::Archive_member): New class.
4094         (Archive::members_): New member.
4095         (Archive::num_members_): New member.
4096         * main.cc: Include archive.h.
4097         (main): Call Archive::print_stats.
4098         * mapfile.cc (Mapfile::report_include_archive_member): Delete
4099         archive parameter; member_name is now the fully-decorated name.
4100         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
4101         * options.h: (General_options): Add --preread-archive-symbols option.
4102         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
4103         Archive::setup.
4104
4105 2008-08-04  Ian Lance Taylor  <iant@google.com>
4106
4107         * symtab.h (Symbol::use_plt_offset): New function.
4108         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4109         * powerpc.cc (Relocate::relocate): Likewise.
4110         * sparc.cc (Relocate::relocate): Likewise.
4111         * x86_64.cc (Relocate::relocate): Likewise.
4112         * testsuite/weak_plt.sh: New test.
4113         * testsuite/weak_plt_main.cc: New test.
4114         * testsuite/weak_plt_shared.cc: New test.
4115         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
4116         (check_PROGRAMS): Add weak_plt.
4117         (check_DATA): Add weak_plt_shared.so.
4118         (weak_plt_main_pic.o, weak_plt): New targets.
4119         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
4120         * testsuite/Makefile.in: Rebuild.
4121
4122         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
4123         gcctestdir/ld.
4124         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
4125         * testsuite/Makefile.in: Rebuild.
4126
4127 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
4128
4129         * Makefile.am (POTFILES.in): Set LC_ALL=C.
4130         * Makefile.in: Regenerate.
4131         * po/POTFILES.in: Regenerate.
4132
4133 2008-07-29  Ian Lance Taylor  <iant@google.com>
4134
4135         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
4136         symbols before other symbols.
4137         * testsuite/script_test_2.cc (test_addr): Declare.
4138         (test_addr_alias): Declare.
4139         (main): Check that test_addr and test_addr_alias have the right
4140         values.
4141         * testsuite/script_test_2.t: Define test_addr_alias and
4142         test_addr.
4143
4144 2008-07-24  Ian Lance Taylor  <iant@google.com>
4145
4146         PR 5990
4147         * descriptors.cc: New file.
4148         * descriptors.h: New file.
4149         * gold-threads.h (class Hold_optional_lock): New class.
4150         * fileread.cc: Include "descriptors.h".
4151         (File_read::~File_read): Release descriptor rather than closing
4152         it.
4153         (File_read::open) [file]: Call open_descriptor rather than open.
4154         Set is_descriptor_opened_.
4155         (File_read::open) [memory]: Assert that descriptor is not open.
4156         (File_read::reopen_descriptor): New function.
4157         (File_read::release): Release descriptor.
4158         (File_read::do_read): Make non-const.  Reopen descriptor.
4159         (File_read::read): Make non-const.
4160         (File_read::make_view): Reopen descriptor.
4161         (File_read::do_readv): Likewise.
4162         * fileread.h (class File_read): Add is_descriptor_opened_ field.
4163         Update declarations.
4164         * layout.cc: Include "descriptors.h".
4165         (Layout::create_build_id): Use open_descriptor rather than open.
4166         * output.cc: Include "descriptors.h".
4167         (Output_file::open): Use open_descriptor rather than open.
4168         * archive.cc (Archive::const_iterator): Change Archive to be
4169         non-const.
4170         (Archive::begin, Archive::end): Make non-const.
4171         (Archive::count_members): Likewise.
4172         * archive.h (class Archive): Update declarations.
4173         * object.h (Object::read): Make non-const.
4174         * Makefile.am (CCFILES): Add descriptors.cc.
4175         (HFILES): Add descriptors.h.
4176         * Makefile.in: Rebuild.
4177
4178         PR 6716
4179         * gold.h: Always include <clocale>.  Add Solaris workarounds
4180         following code in binutils/sysdep.h.
4181
4182         PR 6048
4183         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4184         this->eh_frame_hdr_ is NULL before using it.
4185
4186         * dynobj.cc (Versions::Versions): Update comment.
4187
4188         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4189         the base version name.
4190
4191         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4192         array size plus one.
4193         (Stringpool_template::set_string_offsets): Subtract one from key
4194         before using it as an array index.
4195         (Stringpool_template::get_offset_with_length): Likewise.
4196         (Stringpool_template::write_to_buffer): Likewise.
4197         * stringpool.h (Stringpool_template::get_offset_from_key):
4198         Likewise.
4199
4200 2008-07-23  Ian Lance Taylor  <iant@google.com>
4201
4202         PR 6658
4203         * object.h (Merged_symbol_value::value): Do our best to handle a
4204         negative addend.
4205
4206         PR 6647
4207         * script.cc (Version_script_info::get_versions): Don't add empty
4208         version tag to return value.
4209         (Version_script_info::get_symbol_version_helper): Change return
4210         type to bool.  Add pversion parameter.  Change all callers.
4211         (script_register_vers_node): Don't require a non-NULL tag.
4212         * script.h (class Version_script_info): Update declarations.
4213         (Version_script_info::get_symbol_version): Change return type to
4214         bool.  Add version parameter.  Change all callers.
4215         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4216         handling.  Handle an empty version from a version script.
4217         (Symbol_table::define_special_symbol): Likewise.
4218         * testsuite/ver_test_10.script: New file.
4219         * testsuite/ver_test_10.sh: New file.
4220         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4221         (check_DATA): Add ver_test_10.syms.
4222         (ver_test_10.syms, ver_test_10.so): New target.
4223         * testsuite/Makefile.in: Rebuild.
4224
4225 2008-07-23  Simon Baldwin  <simonb@google.com>
4226
4227         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4228         to zero for undefined symbols from dynamic libraries.
4229
4230 2008-07-23  Ian Lance Taylor  <iant@google.com>
4231
4232         * symtab.cc (Symbol_table::resolve): Remove version parameter.
4233         Change all callers.
4234         * symtab.h (class Symbol_table): Update declaration.
4235         * testsuite/ver_test_9.cc: New file.
4236         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4237         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4238         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4239         (ver_test_9.so, ver_test_9.o): New targets.
4240         * testsuite/Makefile.in: Rebuild.
4241
4242 2008-07-22  Ian Lance Taylor  <iant@google.com>
4243
4244         * options.h (class General_options): Define --check-sections.
4245         * layout.cc (Layout::set_segment_offsets): Handle
4246         --check-sections.
4247
4248         * options.h (class General_options): Define -n/--nmagic and
4249         -N/--omagic.
4250         * options.cc (General_options::finalize): For -n/--nmagic or
4251         -N/--omagic, set -static.
4252         * layout.cc (Layout::attach_allocated_section_to_segment): If
4253         -N/--omagic, don't put read-only and read-write sections in
4254         different segments.
4255         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4256         finding a read-only segment.
4257         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4258         don't set the minimum segment alignment to the common page size,
4259         and don't set the file offset to the address modulo the page size.
4260         * script-sections.cc (Script_sections::create_segments): If
4261         -n/--omagic, don't put read-only and read-write sections in
4262         different segments.
4263
4264         * cref.cc: New file.
4265         * cref.h: New file.
4266         * options.h (class General_options): Add --print-symbol-counts.
4267         * main.cc (main): Issue defined symbol report if requested.
4268         * archive.cc (Archive::interpret_header): Make into a const member
4269         function.
4270         (Archive::add_symbols): Call Input_objects::archive_start and
4271         archive_stop.
4272         (Archive::const_iterator): Define new class.
4273         (Archive::begin, Archive::end): New functions.
4274         (Archive::include_all_members): Rewrite to use iterator.
4275         (Archive::count_members): New function.
4276         * archive.h (class Archive): Update declarations.
4277         (Archive::filename): New function.
4278         * object.cc: Include "cref.h".
4279         (Sized_relobj::Sized_relobj): Initialize defined_count_.
4280         (Sized_relobj::do_get_global_symbol_counts): New function.
4281         (Input_objects::add_object): Add object to cross-referencer.
4282         (Input_objects::archive_start): New function.
4283         (Input_objects::archive_stop): New function.
4284         (Input_objects::print_symbol_counts): New function.
4285         * object.h: Declare Cref and Archive.
4286         (Object::get_global_symbol_counts): New function.
4287         (Object::do_get_global_symbol_counts): New pure virtual function.
4288         (class Sized_relobj): Add defined_count_ field.  Update
4289         declarations.
4290         (class Input_objects): Add cref_ field.  Update constructor.
4291         Update declarations.
4292         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4293         defined_count_.
4294         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4295         symbol counts.
4296         (Sized_dynobj::do_get_global_symbol_counts): New function.
4297         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4298         defined_count_.  Update declarations.  Define Symbols typedef.
4299         * symtab.cc (Symbol_table::add_from_relobj): Add defined
4300         parameter.  Change all callers.
4301         (Symbol_table::add_from_dynobj): Add sympointers and defined
4302         parameters.  Change all callers.
4303         * symtab.h (class Symbol_table): Update declarations.
4304         * Makefile.am (CCFILES): Add cref.cc.
4305         (HFILES): Add cref.h.
4306         * Makefile.in: Rebuild.
4307
4308 2008-07-22  Simon Baldwin  <simonb@google.com>
4309
4310         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4311         to zero when writing undefined symbols.
4312
4313 2008-07-22  Ian Lance Taylor  <iant@google.com>
4314
4315         * output.cc (Output_section::add_input_section): Don't try to
4316         merge empty merge sections.
4317
4318 2008-07-21  Craig Silverstein  <csilvers@google.com>
4319
4320         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4321         Include symbol version in error message.
4322
4323 2008-07-20  Chris Demetriou  <cgd@google.com>
4324
4325         * configure.ac (gold_cv_c_random_seed): New configured variable.
4326         (RANDOM_SEED_CFLAGS): New substituted variable.
4327         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4328         * configure: Rebuild.
4329         * Makefile.in: Likewise.
4330         * testsuite/Makefile.in: Likewise.
4331
4332 2008-07-18  Ian Lance Taylor  <iant@google.com>
4333
4334         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4335         where we see NAME/NULL and NAME/VERSION  as separate symbols.
4336         * testsuite/ver_test_main.cc (main): Call t4.
4337         (t4, t4_2a): Define.
4338         * testsuite/ver_test_2.cc (t4_2): Define.
4339         * testsuite/ver_test_2.script: Put t4_2a in VER2.
4340         * testsuite/ver_test_4.cc (t4_2a): Define.
4341         * testsuite/ver_test_4.script: Put t4_2a in VER2.
4342         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4343
4344 2008-07-17  Ian Lance Taylor  <iant@google.com>
4345
4346         * dynobj.cc (Versions::add_def): If we give an error about a
4347         missing version, go ahead and create the version anyhow.
4348
4349 2008-07-10  Ian Lance Taylor  <iant@google.com>
4350
4351         Handle output sections with more than 0x7fffffff bytes.
4352         * object.h (class Relobj): Change map_to_output_ to
4353         output_sections_, and just keep a section pointer.  Change all
4354         uses.  Move comdat group support to Sized_relobj.
4355         (Relobj::is_section_specially_mapped): Remove.
4356         (Relobj::output_section): Remove poff parameter.  Change all
4357         callers.
4358         (Relobj::output_section_offset): New function.
4359         (Relobj::set_section_offset): Rewrite.
4360         (Relobj::map_to_output): Remove.
4361         (Relobj::output_sections): New function.
4362         (Relobj::do_output_section_offset): New pure virtual function.
4363         (Relobj::do_set_section_offset): Likewise.
4364         (class Sized_relobj): Add section_offsets_ field.  Add comdat
4365         group support from Relobj.  Update declarations.
4366         (Sized_relobj::get_output_section_offset): New function.
4367         (Sized_relobj::do_output_section_offset): New function.
4368         (Sized_relobj::do_set_section_offset): New function.
4369         * object.cc (Relobj::output_section_address): Remove.
4370         (Sized_relobj::Sized_relobj): Initialize new fields.
4371         (Sized_relobj::include_section_group): Cast find_kept_object to
4372         Sized_relobj.
4373         (Sized_relobj::include_linkonce_section): Likewise.
4374         (Sized_relobj::do_layout): Use separate arrays for output section
4375         and output offset.
4376         (Sized_relobj::do_count_local_symbols): Change map_to_output to
4377         output_sections.
4378         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4379         output_sections and section_offsets.
4380         (Sized_relobj::write_local_symbols): Likewise.
4381         (map_to_kept_section): Compute output address directly.
4382         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4383         output_sections and section_offsets.
4384         (Sized_relobj::write_sections): Likewise.
4385         (Sized_relobj::relocate_sections): Likewise.
4386         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4387         * output.h (class Output_reloc): Update declarations.  Change
4388         u2_.relobj to Sized_relobj*.
4389         (class Output_data_reloc): Change add functions to use
4390         Sized_relobj*.
4391         * output.cc (Output_reloc::Output_reloc): Change relobj to
4392         Sized_relobj*.
4393         (Output_reloc::local_section_offset): Change return type to
4394         Elf_Addr.  Use get_output_section_offset.
4395         (Output_reloc::get_address): Likewise.
4396         (Output_section::is_input_address_mapped): Don't call
4397         is_section_specially_mapped.
4398         (Output_section::output_offset): Likewise.
4399         (Output_section::output_address): Likewise.
4400         (Output_section::starting_output_address): Likewise.
4401         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4402         parameter to Sized_relobj*.
4403         (Copy_relocs::need_copy_reloc): Likewise.
4404         (Copy_relocs::save): Likewise.
4405         * copy-relocs.h (class Copy_relocs): Update declarations.
4406         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4407         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
4408         * target-reloc.h (relocate_for_relocatable): Change
4409         offset_in_output_section type to Elf_Addr.  Change code that uses
4410         it as well.
4411         * layout.cc (Layout::layout): Always set *off.
4412         * mapfile.cc (Mapfile::print_input_section): Use
4413         output_section_offset.
4414         * i386.cc (Target_i386::copy_reloc): Change object parameter to
4415         Sized_relobj*.
4416         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4417         * sparc.cc (Target_sparc::copy_reloc): Likewise.
4418         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4419
4420 2008-07-03  Ian Lance Taylor  <iant@google.com>
4421
4422         * layout.cc (Layout::include_section): Do not discard unrecognized
4423         SHT_STRTAB sections.
4424
4425 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
4426
4427         * script.cc (Lex::can_continue_name): Make '?' allowable in
4428         version-script names.
4429         * testsuite/version_script.map: Change glob pattern to use '?'
4430
4431 2008-06-30  Manish Singh  <yosh@gimp.org>
4432
4433         PR 6585
4434         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4435         Correct typo.
4436
4437 2008-06-30  Ian Lance Taylor  <iant@google.com>
4438
4439         PR 6660
4440         PR 6682
4441         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4442         versions]: Don't try to read the value in the contents, since we
4443         don't use it.  Use the template endianness when writing.
4444
4445 2008-06-25  Cary Coutant  <ccoutant@google.com>
4446
4447         * fileread.cc (File_read::make_view): Assert on zero-length view.
4448         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4449         symbol table when there are no symbols to read.
4450
4451 2008-06-23  Craig Silverstein  <csilvers@google.com>
4452
4453         * version.cc (version_string): Bump to 1.7
4454
4455 2008-06-18  Craig Silverstein  <csilvers@google.com>
4456
4457         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4458         constant 0xFFFF to type Valtype.
4459         (Powerpc_relocate_functions::rel16_ha): Likewise.
4460
4461 2008-06-17  Ian Lance Taylor  <iant@google.com>
4462
4463         * output.h (Output_section::Input_section): Initialize p2align_ to
4464         zero for Output_section_data constructors.
4465         (Output_section::Input_section::addralign): If not an input
4466         section, return the alignment of the Output_section_data.
4467         * testsuite/copy_test.cc: New file.
4468         * testsuite/copy_test_1.cc: New file.
4469         * testsuite/copy_test_2.cc: New file.
4470         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4471         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4472         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4473         (copy_test_1_pic.o, copy_test_1.so): New targets.
4474         (copy_test_2_pic.o, copy_test_2.so): New targets.
4475         * testsuite/Makefile.in: Rebuild.
4476
4477         * script-sections.cc (Script_sections::place_orphan): Initialize
4478         local variable exact.
4479
4480 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4481
4482         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4483
4484 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4485             David S. Miller  <davem@davemloft.net>
4486
4487         * powerpc.cc: New file.
4488         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4489         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4490         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4491         * Makefile.in: Rebuild.
4492
4493 2008-06-09  Ian Lance Taylor  <iant@google.com>
4494
4495         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4496         <exception>.
4497         (throwing, orig_terminate): New static variables.
4498         (terminate_handler): New static function.
4499         (t2): Set terminate handler.
4500
4501 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4502
4503         PR 6584
4504         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4505         alignment.
4506
4507 2008-05-30  Cary Coutant  <ccoutant@google.com>
4508
4509         * archive.cc (Archive::include_all_members) Correct to step
4510         over symbol table and extended name table in thin archives.
4511
4512 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4513
4514         PR 6407
4515         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4516         calculation.
4517
4518 2008-05-28  Caleb Howe  <cshowe@google.com>
4519
4520         * reduced_debug_output.cc: New file.
4521         * reduced_debug_output.h: New file.
4522         * options.h (class General_options): Add --strip-debug-non-line.
4523         * options.cc (General_options::finalize): Add strip_debug_non_line
4524         to the strip heirarchy.
4525         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4526         fields.
4527         * layout.cc: Include "reduced_debug_output.h".
4528         (Layout::Layout): Initialize new fields.
4529         (line_only_debug_sections): New static array.
4530         (is_lines_only_debug_sections): New static inline function.
4531         (Layout::include_section): Handle --strip-debug-non-line.
4532         (Layout::make_output_section): If --strip-debug-non-line, build
4533         new output sections for .debug_abbrev and .debug_info.
4534         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4535         gold.  Warn about possible overflow.
4536         (read_signed_LEB_128): Likewise.
4537         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4538         (read_signed_LEB_128): Declare.
4539         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4540         (HFILES): Add reduced_debug_output.h.
4541         * Makefile.in: Rebuild.
4542
4543 2008-05-21  Ian Lance Taylor  <iant@google.com>
4544
4545         * mapfile.cc: New file.
4546         * mapfile.h: New file.
4547         * options.h (class General_options): Add -M/--print-map and -Map.
4548         * options.cc (General_options::finalize): Make -M equivalent to
4549         -Map -.
4550         * main.cc: Include <cstdio> and "mapfile.h".
4551         (main): Open mapfile if requested.
4552         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4553         constructor.  Change caller.
4554         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4555         (queue_middle_tasks): Likewise.
4556         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4557         declarations.
4558         * archive.cc: Include "mapfile.h".
4559         (Archive::add_symbols): Add mapfile parameter.  Change all
4560         callers.  Pass mapfile, symbol, and reason to include_member.
4561         (Archive::include_all_members): Add mapfile parameter.  Change all
4562         callers.
4563         (Archive::include_member): Add mapfile, sym, and why parameters.
4564         Change all callers.  Report inclusion to map file.
4565         * archive.h: Include "fileread.h".
4566         (class Archive): Update declarations.
4567         (Archive::file): New const method.
4568         (class Add_archive_symbols): Add mapfile_ field.  Update
4569         constructor.  Change all callers.
4570         * readsyms.h (class Read_symbols): Likewise.
4571         (class Finish_group): Likewise.
4572         (class Read_script): Likewise.
4573         * common.cc: Include "mapfile.h".
4574         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
4575         all callers.
4576         (Symbol_table::do_allocate_commons): Likewise.
4577         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
4578         symbol allocation to mapfile.
4579         * common.h (class Allocate_commons_task): Add mapfile_ field.
4580         Update constructor.  Change all callers.
4581         * symtab.h (class Symbol_table): Update declarations.
4582         * layout.cc: Include "mapfile.h".
4583         (Layout_task_runner::run): Print information to mapfile.
4584         (Layout::create_gold_note): Change Output_data_fixed_space to
4585         Output_data_zero_fill.
4586         (Layout::create_build_id): Likewise.
4587         (Layout::print_to_mapfile): New function.
4588         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
4589         constructor.  Change caller.
4590         (class Layout): Declare print_to_mapfile.
4591         * output.cc (Output_section::Input_section::print_to_mapfile): New
4592         function.
4593         (Output_section::add_input_section): If producing a map, always
4594         add to input_sections_ list.
4595         (Output_section::do_print_to_mapfile): New function.
4596         (Output_segment::print_sections_to_mapfile): New function.
4597         (Output_segment::print_section_list_to_mapfile): New function.
4598         * output.h: Include "mapfile.h".
4599         (Output_data::print_to_mapfile): New function.
4600         (Output_data::do_print_to_mapfile): New virtual function.
4601         (Output_segment_headers::do_print_to_mapfile): New function.
4602         (Output_file_header::do_print_to_mapfile): New function.
4603         (Output_data_const::do_print_to_mapfile): New function.
4604         (class Output_data_const_buffer): Add map_name_ field.  Update
4605         constructor.  Change all callers.  Add do_print_to_mapfile
4606         function.
4607         (class Output_data_fixed_space): Likewise.
4608         (class Output_data_space): Likewise.
4609         (class Output_data_zero_fill): New class.
4610         (Output_data_strtab::do_print_to_mapfile): New function.
4611         (Output_data_reloc_base::do_print_to_mapfile): New function.
4612         (Output_relocatable_relocs::do_print_to_mapfile): New function.
4613         (Output_data_group::do_print_to_mapfile): New function.
4614         (Output_data_got::do_print_to_mapfile): New function.
4615         (Output_data_dynamic::do_print_to_mapfile): New function.
4616         (Output_symtab_xindex::do_print_to_mapfile): New function.
4617         (class Output_section): Declare do_print_to_mapflie.  Declare
4618         print_to_mapfile in Input_section.
4619         (class Output_segment): Declare new functions.
4620         * object.h (Sized_relobj::symbol_count): New function.
4621         * script-sections.cc
4622         (Output_section_element_dot_assignment::set_section_addresses):
4623         Change Output_data_fixed_space to Output_data_zero_fill.
4624         (Output_data_expression::do_print_to_mapfile): New function.
4625         * script.cc (read_input_script): Add mapfile parameter.  Change
4626         all callers.
4627         * script.h (read_input_script): Update declaration.
4628         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4629         (Eh_frame::do_print_to_mapfile): New function.
4630         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4631         (Output_merge_string::do_print_to_mapfile): New function.
4632         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4633         function.
4634         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4635         function.
4636         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4637         function.
4638         * Makefile.am (CCFILES): Add mapfile.cc.
4639         (HFILES): Add mapfile.h.
4640         * Makefile.in: Rebuild.
4641
4642 2008-05-19  Ian Lance Taylor  <iant@google.com>
4643
4644         * options.h (class General_options): Add -z relro.
4645         * layout.cc (Layout::Layout): Initialize relro_segment_.
4646         (Layout::add_output_section_data): Return the output section.
4647         (Layout::make_output_section): Rcognize relro sections and mark
4648         them appropriately.
4649         (Layout::attach_allocated_section_to_segment): Put relro sections
4650         in a PT_GNU_RELRO segment.
4651         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4652         section as relro.
4653         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4654         PT_TLS segments.
4655         (Layout::linkonce_mapping): Map d.rel.ro.local to
4656         .data.rel.ro.local.
4657         (Layout::output_section_name): Us .data.rel.ro.local for any
4658         section which begins with that.
4659         * layout.h (class Layout): Update add_output_section_data
4660         declaration.  Add relro_segment_ field.
4661         * output.cc (Output_section::Output_section): Initialize is_relro_
4662         and is_relro_local_ fields.
4663         (Output_segment::add_output_section): Group relro sections.
4664         (Output_segment::is_first_section_relro): New function.
4665         (Output_segment::maximum_alignment): If there is a relro section,
4666         align the segment to the common page size.
4667         (Output_segment::set_section_addresses): Track whether we are
4668         looking at relro sections.  If the last section is a relro
4669         section, align to the common page size.
4670         (Output_segment::set_section_list_addresses): Add in_relro
4671         parameter.  Change all callers.  Align to the page size when
4672         moving from relro to non-relro section.
4673         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4674         segment.
4675         * output.h (class Output_section): Add is_relro_ and
4676         is_relro_local_ fields.
4677         (Output_section::is_relro): New function.
4678         (Output_section::set_is_relro): New function.
4679         (Output_section::is_relro_local): New function.
4680         (Output_section::set_is_relro_local): New function.
4681         (class Output_segment): Update declarations.
4682         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4683         * sparc.cc (Target_sparc::got_section): Likewise.
4684         * x86_64.cc (Target_x86_64::got_section): Likewise.
4685         * testsuite/relro_test_main.cc: New file.
4686         * testsuite/relro_test.cc: New file.
4687         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4688         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4689         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4690         (relro_test.so, relro_test_pic.o): New targets.
4691         * testsuite/Makefile.in: Rebuild.
4692
4693 2008-05-16  Ian Lance Taylor  <iant@google.com>
4694
4695         * output.cc (Output_segment::add_output_section): Remove front
4696         parameter.
4697         * output.h (class Output_segment): Remove
4698         add_initial_output_section and overloaded add_output_section.
4699         Update declaration of remaining add_output_section.
4700         * layout.cc (Layout::create_interp): Call add_output_section
4701         rather than add_initial_output_section.
4702         (Layout::finish_dynamic_section): Likewise.
4703
4704         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4705         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4706         know the dynamic type.
4707         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4708         field.  Initialize it in constructor.
4709         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4710         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4711         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4712         reloc.
4713
4714         * output.cc (Output_reloc::get_address): Change return type to
4715         Elf_Addr.
4716         * output.h (class Output_reloc): Update get_address declaration.
4717         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4718         for section addresses.
4719
4720 2008-05-09  Ian Lance Taylor  <iant@google.com>
4721
4722         PR 6493
4723         * gold.cc (gold_nomem): Use return value of write.
4724
4725 2008-05-08  Ian Lance Taylor  <iant@google.com>
4726
4727         * symtab.c (Symbol::init_base_output_data): Add version
4728         parameter.  Change all callers.
4729         (Symbol::init_base_output_segment): Likewise.
4730         (Symbol::init_base_constant): Likewise.
4731         (Symbol::init_base_undefined): Likewise.
4732         (Sized_symbol::init_output_data): Likewise.
4733         (Sized_symbol::init_output_segment): Likewise.
4734         (Sized_symbol::init_constant): Likewise.
4735         (Sized_symbol::init_undefined): Likewise.
4736         (Symbol_table::do_define_in_output_data): If the new symbol has a
4737         version, mark it as the default.
4738         (Symbol_table::do_define_in_output_segment): Likewise.
4739         (Symbol_table::do_define_as_constant): Likewise.
4740         * symtab.h (class Symbol): Update declarations.
4741         (class Sized_symbol): Likewise.
4742         * resolve.cc (Symbol::override_version): New function.
4743         (Symbol::override_base): Call override_version.
4744         (Symbol::override_base_with_special): Likewise.
4745         * testsuite/ver_script_8.script: New file.
4746         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4747         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4748         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4749         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4750
4751 2008-05-06  Ian Lance Taylor  <iant@google.com>
4752
4753         PR 6049
4754         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4755         functions.
4756         (class General_options): Remove existing --undefined, and add
4757         --no-undefined instead.  Add new --undefined as synonym for -u.
4758         * archive.cc (Archive::add_symbols): Check whether symbol was
4759         named with -u.
4760         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4761         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4762         all uses.  Add IS_UNDEFINED.  Update declarations to split
4763         different versions of init_base.  Declare init_base_undefined.
4764         (Symbol::is_defined): Handle IS_UNDEFINED.
4765         (Symbol::is_undefined): Likewise.
4766         (Symbol::is_weak_undefined): Call is_undefined.
4767         (Symbol::is_absolute): Handle IS_CONSTANT.
4768         (class Sized_symbol): Update declarations to split different
4769         versions of init.  Declare init_undefined.
4770         (class Symbol_table): Declare new functions.
4771         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4772         Change all callers.
4773         (Symbol::init_base_output_data): Likewise.
4774         (Symbol::init_base_output_segment): Likewise.
4775         (Symbol::init_base_constant): Likewise.
4776         (Symbol::init_base_undefined): New function.
4777         (Sized_symbol::init_object): Rename from init.  Change all
4778         callers.
4779         (Sized_symbol::init_output_data): Likewise.
4780         (Sized_symbol::init_output_segment): Likewise.
4781         (Sized_symbol::init_constant): Likewise.
4782         (Sized_symbol::init_undefined): New function.
4783         (Symbol_table::add_undefined_symbols_from_command_line): New
4784         function.
4785         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4786         function.
4787         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4788         (Symbol::output_section): Likewise.
4789         (Symbol::set_output_section): Likewise.
4790         (Symbol_table::sized_finalize_symbol): Likewise.
4791         (Symbol_table::sized_write_globals): Likewise.
4792         * resolve.cc (Symbol_table::should_override): Likewise.
4793         (Symbol::override_base_with_special): Likewise.
4794
4795         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4796         symbol, change it to have default visibility.
4797         * testsuite/protected_1.cc: New file.
4798         * testsuite/protected_2.cc: New file.
4799         * testsuite/protected_3.cc: New file.
4800         * testsuite/protected_main_1.cc: New file.
4801         * testsuite/protected_main_2.cc: New file.
4802         * testsuite/protected_main_3.cc: New file.
4803         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4804         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4805         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4806         (protected_1.so): New target.
4807         (protected_1_pic.o, protected_2_pic.o): New targets.
4808         (protected_3_pic.o): New target.
4809         (check_PROGRAMS): Add protected_2.
4810         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4811         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4812         * testsuite/Makefile.in: Rebuild.
4813
4814         * options.h (DEFINE_var): Add set_user_set_##varname__.
4815         (DEFINE_bool_alias): New macro.
4816         (class General_options): Define -Bstatic using DEFINE_bool_alias
4817         rather than DEFINE_special.  Add --undefined as an alias for -z
4818         defs.
4819         * options.cc (General_options::parse_Bstatic): Remove.
4820
4821         * options.h (class General_options): Add --fatal-warnings.
4822         * main.cc (main): Implement --fatal-warnings.
4823         * errors.h (Errors::warning_count): New function.
4824
4825         * options.h (class General_options): Add -Bsymbolic-functions.
4826         * symtab.h (Symbol::is_preemptible): Check for
4827         -Bsymbolic-functions.
4828
4829 2008-05-05  Ian Lance Taylor  <iant@google.com>
4830
4831         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4832         as noVARNAME rather than no-VARNAME.
4833         (class General_options): Add option -z combreloc.
4834         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4835         get_address.
4836         (Output_reloc::sort_before) [SHT_REL]: New function.
4837         (Output_reloc::sort_before) [SHT_RELA]: New function.
4838         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4839         Sort_relocs_comparison.
4840         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4841         parameter.  Change all callers.
4842         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4843         sort_relocs parameter.  Change all callers.
4844         * output.cc (Output_reloc::get_address): New function, broken out
4845         of write_rel.
4846         (Output_reloc::write_rel): Call it.
4847         (Output_reloc::compare): New function.
4848         (Output_data_reloc_base::do_write): Optionally sort relocs.
4849
4850         * configure.ac: If targ_extra_obj is set, link it in.
4851         * configure.tgt: Initialize all variables.
4852         (x86_64*): Set targ_extra_obj and targ_extra_size.
4853         * configure: Rebuild.
4854
4855         * object.cc (Sized_relobj::include_section_group): Adjust section
4856         indexes read from group data.  Build vector to pass to
4857         layout_group.
4858         * layout.cc (Layout::layout_group): Add flags and shndxes
4859         parameters.  Remove contents parameter.  Change caller.  Update
4860         explicit instantiations.
4861         * layout.h (class Layout): Update layout_group declaration.
4862         * output.cc (Output_data_group::Output_data_group): Add flags and
4863         input_shndxes parameters.  Remove contents parameter.  Change
4864         caller.
4865         (Output_data_group::do_write): Change input_sections_ to
4866         input_shndxes_.
4867         * output.h (class Output_data_group): Update constructor
4868         declaration.  Rename input_sections_ to input_shndxes_.
4869         * testsuite/many_sections_test.cc: Add template.
4870
4871 2008-04-30  Cary Coutant  <ccoutant@google.com>
4872
4873         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4874
4875         * layout.cc (Layout::include_section): Refactored check for debug
4876         info section.
4877         (Layout::add_comdat): Add new parameters.  Change type
4878         of signature parameter.  Add object and shndx to signatures table.
4879         (Layout::find_kept_object): New function.
4880         * layout.h: Include <cstring>.
4881         (Layout::is_debug_info_section): New function.
4882         (Layout::add_comdat): Add new parameters.
4883         (Layout::find_kept_object): New function.
4884         (Layout::Kept_section): New struct.
4885         (Layout::Signatures): Change type of map range.
4886         * object.cc (Relobj::output_section_address): New function.
4887         (Sized_relobj::include_section_group): Add new parameters.  Change
4888         calls to Layout::add_comdat.  Change to build table of kept comdat
4889         groups and table mapping discarded sections to kept sections.
4890         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4891         (Sized_relobj::do_layout): Change calls to include_section_group and
4892         include_linkonce_section.
4893         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4894         value to zero when section is discarded.
4895         (Sized_relobj::map_to_kept_section): New function.
4896         * object.h (Relobj::output_section_address): New function.
4897         (Relobj::Comdat_group): New type.
4898         (Relobj::find_comdat_group): New function.
4899         (Relobj::Comdat_group_table): New type.
4900         (Relobj::Kept_comdat_section): New type.
4901         (Relobj::Kept_comdat_section_table): New type.
4902         (Relobj::add_comdat_group): New function.
4903         (Relobj::set_kept_comdat_section): New function.
4904         (Relobj::get_kept_comdat_section): New function.
4905         (Relobj::comdat_groups_): New field.
4906         (Relobj::kept_comdat_sections_): New field.
4907         (Symbol_value::input_value): Update comment.
4908         (Sized_relobj::map_to_kept_section) New function.
4909         (Sized_relobj::include_linkonce_section): Add new parameter.
4910         * target-reloc.h (Comdat_behavior): New type.
4911         (get_comdat_behavior): New function.
4912         (relocate_section): Add code to map a discarded section to the
4913         corresponding kept section when applying a relocation.
4914
4915 2008-04-30  Craig Silverstein  <csilvers@google.com>
4916
4917         * dwarf_reader.cc (next_generation_count): New static var.
4918         (Addr2line_cache_entry): New struct.
4919         (addr2line_cache): New static var.
4920         (Dwarf_line_info::one_addr2line): Added caching.
4921         (Dwarf_line_info::clear_addr2line_cache): New function.
4922         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4923         cache-size parameter.
4924         (Dwarf_line_info::one_addr2line_cache): New function.
4925         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4926         new cache-size argument to one_addr2line(), and clear cache.
4927
4928 2008-04-28  Cary Coutant  <ccoutant@google.com>
4929
4930         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4931         R_386_PC8 relocations.
4932
4933 2008-04-23  Ian Lance Taylor  <iant@google.com>
4934
4935         * object.cc (Sized_relobj::include_section_group): Check for
4936         invalid section group.
4937
4938         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4939         header size.
4940
4941         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4942         than read for file header.
4943         * archive.cc (Archive::include_member): Likewise.
4944
4945 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4946
4947         * aclocal.m4: Regenerate.
4948         * configure: Regenerate.
4949
4950 2008-04-19  Ian Lance Taylor  <iant@google.com>
4951
4952         * version.cc (version_string): Bump to 1.6.
4953
4954         * testsuite/Makefile.am (many_sections_r_test): New target.
4955         (many_sections_r_test_SOURCES): Remove.
4956         (many_sections_r_test_DEPENDENCIES): Remove.
4957         (many_sections_r_test_LDFLAGS): Remove.
4958         (many_sections_r_test_LDADD): Remove.
4959
4960         * object.cc (Sized_relobj::do_add_symbols): Always pass
4961         local_symbol_count_ to add_from_relobj.
4962
4963         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4964         every thousand variables.
4965         * testsuite/Makefile.in: Rebuild.
4966
4967         * object.cc (Xindex::initialize_symtab_xindex): New function.
4968         (Xindex::read_symtab_xindex): New function.
4969         (Xindex::sym_xindex_to_shndx): New function.
4970         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4971         available.
4972         (Sized_relobj::do_initialize_xindex): New function.
4973         (Sized_relobj::do_read_symbols): Adjust section links.
4974         (Sized_relobj::symbol_section_and_value): Add is_ordinary
4975         parameter.  Change all callers.
4976         (Sized_relobj::include_section_group): Adjust section links and
4977         symbol section indexes.
4978         (Sized_relobj::do_layout): Adjust section links.
4979         (Sized_relobj::do_count_local_symbols): Adjust section links and
4980         symbol section indexes.
4981         (Sized_relobj::do_finalize_local_symbols): Distinguish between
4982         ordinary and special symbols.
4983         (Sized_relobj::write_local_symbols): Add symtab_xindex and
4984         dynsym_xindex parameters.  Change all callers.  Adjust section
4985         links.  Use SHN_XINDEX when needed.
4986         (Sized_relobj::get_symbol_location_info): Adjust section links.
4987         Don't get fooled by special symbols.
4988         * object.h (class Xindex): Define.
4989         (class Object): Add xindex_ parameter.  Declare virtual functoin
4990         do_initialize_xindex.
4991         (Object::adjust_sym_shndx): New function.
4992         (Object::set_xindex): New protected function.
4993         (class Symbol_value): Add is_ordinary_shndx_ field.
4994         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4995         (Symbol_value::value): Assert ordinary section.
4996         (Symbol_value::initialize_input_to_output_map): Likewise.
4997         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4998         Change all callers.
4999         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
5000         all callers.
5001         (class Sized_relobj): Update declarations.
5002         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
5003         parameter.  Change all callers.
5004         (Sized_relobj::adjust_shndx): New function.
5005         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
5006         field.
5007         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
5008         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
5009         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
5010         (Sized_dynobj::read_dynsym_section): Adjust section links.
5011         (Sized_dynobj::read_dynamic): Likewise.
5012         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
5013         section links.
5014         (Sized_dynobj::do_initialize_xindex): New function.
5015         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
5016         do_initialize_xindex.
5017         (Sized_dynobj::adjust_shndx): New function.
5018         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
5019         dynsym_xindex_ fields.
5020         (Layout::finalize): Add a call to set_section_indexes before
5021         creating the symtab sections.
5022         (Layout::set_section_indexes): Don't do anything if the section
5023         already has a section index.
5024         (Layout::create_symtab_sections): Add shnum parameter.  Change
5025         caller.  Create .symtab_shndx section if needed.
5026         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
5027         caller.
5028         (Layout::allocated_output_section_count): New function.
5029         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
5030         needed.
5031         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
5032         fields.  Update declarations.
5033         (Layout::symtab_xindex): New function.
5034         (Layout::dynsym_xindex): New function.
5035         (class Write_symbols_task): Add layout_ field.
5036         (Write_symbols_task::Write_symbols_task): Add layout parameter.
5037         Change caller.
5038         * output.cc (Output_section_headers::Output_section_headers): Add
5039         shstrtab_section parameter.  Change all callers.
5040         (Output_section_headers::do_sized_write): Store overflow values
5041         for section count and section string table section index in
5042         section header zero.
5043         (Output_file_header::do_sized_write): Check for overflow of
5044         section count and section string table section index.
5045         (Output_symtab_xindex::do_write): New function.
5046         (Output_symtab_xindex::endian_do_write): New function.
5047         * output.h (class Output_section_headers): Add shstrtab_section_.
5048         Update declarations.
5049         (class Output_symtab_xindex): Define.
5050         (Output_section::has_out_shndx): New function.
5051         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
5052         field.
5053         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
5054         Change all callers.
5055         (Sized_symbol::init): Likewise.
5056         (Symbol::output_section): Check for ordinary symbol.
5057         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
5058         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
5059         callers.
5060         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
5061         Change all callers.  Simplify handling of symbols from sections
5062         not included in the link.
5063         (Symbol_table::add_from_dynobj): Handle ordinary symbol
5064         distinction.
5065         (Weak_alias_sorter::operator()): Assert that symbols are
5066         ordinary.
5067         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
5068         distinction.
5069         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
5070         parameters.  Change all callers.
5071         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
5072         symbol distinction.  Use SHN_XINDEX when needed.
5073         (Symbol_table::write_section_symbol): Add symtab_xindex
5074         parameter.  Change all callers.
5075         (Symbol_table::sized_write_section_symbol): Likewise.  Use
5076         SHN_XINDEX when needed.
5077         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
5078         declarations.
5079         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
5080         (Symbol::is_defined): Check is_ordinary.
5081         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
5082         (Symbol::is_absolute, Symbol::is_common): Likewise.
5083         (class Sized_symbol): Update declarations.
5084         (class Symbol_table): Update declarations.
5085         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
5086         parameters.  Change all callers.
5087         (Sized_symbol::override): Likewise.
5088         (Symbol_table::override): Likewise.
5089         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
5090         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
5091         is_ordinary, and orig_st_shndx parameters.  Change all callers.
5092         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
5093         to be in an ordinary section.
5094         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
5095         object and is_ordinary parameters.  Change all callers.
5096         (Sized_dwarf_line_info::read_relocs): Add object parameter.
5097         Change all callers.  Don't add undefined or non-ordinary symbols
5098         to reloc_map_.
5099         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
5100         Change all callers.
5101         * dwarf_reader.h (class Sized_dwarf_line_info): Update
5102         declarations.
5103         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
5104         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
5105         (Sized_relobj::relocate_sections): Likewise.
5106         * target-reloc.h (scan_relocs): Adjust section symbol index.
5107         (scan_relocatable_relocs): Likewise.
5108         * i386.cc (Scan::local): Check for ordinary symbols.
5109         * sparc.cc (Scan::local): Likewise.
5110         * x86_64.cc (Scan::local): Likewise.
5111         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5112         to symbol_section_and_value.
5113         * testsuite/many_sections_test.cc: New file.
5114         * testsuite/Makefile.am (BUILT_SOURCES): Define.
5115         (check_PROGRAMS): Add many_sections_test.
5116         (many_sections_test_SOURCES): Define.
5117         (many_sections_test_DEPENDENCIES): Define.
5118         (many_sections_test_LDFLAGS): Define.
5119         (BUILT_SOURCES): Add many_sections_define.h.
5120         (many_sections_define.h): New target.
5121         (BUILT_SOURCES): Add many_sections_check.h.
5122         (many_sections_check.h): New target.
5123         (check_PROGRAMS): Add many_sections_r_test.
5124         (many_sections_r_test_SOURCES): Define.
5125         (many_sections_r_test_DEPENDENCIES): Define.
5126         (many_sections_r_test_LDFLAGS): Define.
5127         (many_sections_r_test_LDADD): Define.
5128         (many_sections_r_test.o): New target.
5129         * testsuite/Makefile.in: Rebuild.
5130
5131 2008-04-17  Cary Coutant  <ccoutant@google.com>
5132
5133         * errors.cc (Errors::info): New function.
5134         (gold_info): New function.
5135         * errors.h (Errors::info): New function.
5136         * gold.h (gold_info): New function.
5137         * object.cc (Input_objects::add_object): Print trace output.
5138         * options.cc (options::parse_set): New function.
5139         (General_options::parse_wrap): Deleted.
5140         (General_options::General_options): Deleted initializer.
5141         * options.h (options::String_set): New typedef.
5142         (options::parse_set): New function.
5143         (DEFINE_set): New macro.
5144         (General_options::wrap): Changed to use DEFINE_set. Changed
5145         callers of any_wrap_symbols and is_wrap_symbol.
5146         (General_options::trace, General_options::trace_symbol):
5147         New options.
5148         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5149         (General_options::wrap_symbols_): Deleted.
5150         * symtab.cc (Symbol_table::add_from_object): Print trace output.
5151
5152 2008-04-17  David S. Miller  <davem@davemloft.net>
5153
5154         * options.cc (General_options::parse_V): New function.
5155         * options.h: Add entries for -V and -Qy.
5156
5157 2008-04-17  Ian Lance Taylor  <iant@google.com>
5158
5159         * common.cc (Symbol_table::allocate_commons): Remove options
5160         parameter.  Change caller.
5161         (Symbol_table::do_allocate_commons): Remove options parameter.
5162         Change caller.  Just call do_allocate_commons_list twice.
5163         (Symbol_table::do_allocate_commons_list): New function, broken out
5164         of do_allocate_commons.
5165         * common.h (class Allocate_commons_task): Remove options_ field.
5166         Update constructor.
5167         * symtab.cc (Symbol_table::Symbol_table): Initialize
5168         tls_commons_.
5169         (Symbol_table::add_from_object): Put TLS common symbols on
5170         tls_commons_ list.
5171         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5172         which are IN_OUTPUT_DATA.
5173         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5174         allocate_commons and do_allocate_commons declarations.  Declare
5175         do_allocate_commons_list.
5176         * gold.cc (queue_middle_tasks): Update creation of
5177         Allocate_commons_task to not pass options.
5178         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5179         (TLS_TEST_C_FLAGS): New variable.
5180         (tls_test_c_pic.o): New target.
5181         (tls_test_shared.so): Link in tls_test_c_pic.o.
5182         (tls_test_c_pic_ie.o): New target.
5183         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5184         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5185         (tls_test_c.o): New target.
5186         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5187         (tls_pic_test_LDADD): Likewise.
5188         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5189         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5190         (tls_test_c_gnu2.o): New target.
5191         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5192         tls_test_c_gnu2.o.
5193         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5194         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5195         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5196         * testsuite/tls_test.cc: Include "config.h".
5197         (t_last): Call t11_last.
5198         * testsuite/tls_test.h (t11, t11_last): Declare.
5199         * testsuite/tls_test_c.c: New file.
5200         * testsuite/tls_test_main.cc (thread_routine): Call t11.
5201         * configure.ac: Check for OpenMP support.
5202         * configure, config.in, Makefile.in: Rebuild.
5203         * testsuite/Makefile.in: Rebuild.
5204
5205 2008-04-16  Cary Coutant  <ccoutant@google.com>
5206
5207         * i386.cc (Target_i386::define_tls_base_symbol): New function.
5208         (Target_i386::tls_base_symbol_defined_): New field.
5209         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5210         (Target_i386::Scan::global): Likewise.
5211         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5212         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5213         (Target_x86_64::tls_base_symbol_defined_): New field.
5214         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5215         (Target_x86_64::Scan::global): Likewise.
5216
5217 2008-04-16  Cary Coutant  <ccoutant@google.com>
5218
5219         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5220         (Symbol::needs_plt_entry): Allow weak undefined symbols.
5221         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5222         building shared libraries.
5223         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5224         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5225         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5226         * testsuite/Makefile.in: Rebuild.
5227         * testsuite/weak_undef.h: New file.
5228         * testsuite/weak_undef_file1.cc: Add extra test cases.
5229         * testsuite/weak_undef_file2.cc: Likewise.
5230         * testsuite/weak_undef_test.cc: Likewise.
5231
5232 2008-04-16  David S. Miller  <davem@davemloft.net>
5233
5234         * sparc.cc (Target_sparc::Scan): Change from struct to class.
5235         Add issued_non_pic_error_ field.  Declare check_non_pic.
5236         (Target_sparc::Scan::check_non_pic): New function.
5237         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5238         (Target_sparc::Scan::global): Likewise.
5239
5240         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5241         * configure: Rebuild.
5242
5243         * options.h (DEFINE_enable): New macro.
5244         (new_dtags): New enable option.
5245         (initfirst, interpose, loadfltr, nodefaultlib,
5246         nodelete, nodlopen, nodump): New -z options.
5247         * layout.cc (Layout:finish_dynamic_section): If new
5248         dtags enabled, emit DT_RUNPATH.  Also, emit a
5249         DT_FLAGS_1 containing any specified -z flags.
5250
5251 2008-04-16  Ian Lance Taylor  <iant@google.com>
5252
5253         * copy-relocs.cc: New file.
5254         * copy-relocs.h: New file.
5255         * reloc.cc: Remove Copy_relocs code.
5256         * reloc.h: Likewise.
5257         * reloc-types.h (struct Reloc_types) [both versions]: Add
5258         get_reloc_addend_noerror.
5259         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5260         variants of add_global which take an addend which must be zero.
5261         * i386.cc: Include "copy-relocs.h".
5262         (class Target_i386): Change type of copy_relocs_ to variable,
5263         update initializer.
5264         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5265         Change all callers.
5266         (Target_i386::do_finalize_sections): Change handling of
5267         copy_relocs_.
5268         * sparc.cc: Include "copy-relocs.h".
5269         (class Target_sparc): Change type of copy_relocs_ to variable,
5270         update initializer.
5271         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5272         Change all callers.
5273         (Target_sparc::do_finalize_sections): Change handling of
5274         copy_relocs_.
5275         * x86_64.cc: Include "copy-relocs.h".
5276         (class Target_x86_64): Change type of copy_relocs_ to variable,
5277         update initializer.
5278         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5279         class.  Change all callers.
5280         (Target_x86_64::do_finalize_sections): Change handling of
5281         copy_relocs_.
5282         * Makefile.am (CCFILES): Add copy-relocs.cc.
5283         (HFILES): Add copy-relocs.h.
5284
5285         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5286
5287         * testsuite/script_test_4.sh: Permit leading zeroes.
5288
5289 2008-04-15  Ian Lance Taylor  <iant@google.com>
5290
5291         * script-sections.cc (Script_sections::create_segments): Use
5292         header_size_adjustment even when there is enough room for the
5293         headers.
5294         * testsuite/script_test_4.sh: New file.
5295         * testsuite/script_test_4.t: New file.
5296         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5297         (check_DATA): Add script_test_4.stdout.
5298         (MOSTLYCLEANFILES): Likewise.
5299         (script_test_4): New target.
5300         (script_test_4.stdout): New target.
5301         * testsuite/Makefile.in: Rebuild.
5302
5303         * sparc.cc: Add definitions for Output_data_plt_sparc class
5304         constants.
5305
5306 2008-04-14  David S. Miller  <davem@davemloft.net>
5307
5308         * sparc.cc: New file.
5309         * Makefile.am (TARGETSOURCES): Add sparc.cc
5310         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5311         * configure.tgt: Document targ_extra_size and
5312         targ_extra_big_endian.  Add entries for sparc-* and
5313         sparc64-*.
5314         * configure.ac: Handle targ_extra_size and
5315         targ_extra_big_endian.
5316         * Makefile.in: Rebuild.
5317         * configure: Likewise.
5318         * po/POTFILES.in: Likewise.
5319         * po/gold.pot: Likewise.
5320
5321 2008-04-14  Ian Lance Taylor  <iant@google.com>
5322
5323         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5324         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5325         in the name/type/flags to section mapping.  Don't call
5326         allocate_output_section.
5327         (Layout::choose_output_section): Change parameter from adjust_name
5328         to is_input_section.  Don't permit input sections after sections
5329         are attached to segments.  Don't call allocate_output_section.
5330         (Layout::layout_eh_frame): Call update_flags_for_input_section,
5331         not write_enable_output_section.
5332         (Layout::make_output_section): Don't push to
5333         unattached_section_list_ nor call attach_to_segment.  Call
5334         attach_section_to_segment if sections are attached.
5335         (Layout::attach_sections_to_segments): New function.
5336         (Layout::attach_section_to_segment): New function.
5337         (Layout::attach_allocated_section_to_segment): Rename from
5338         attach_to_segment.  Remove flags parameter.
5339         (Layout::allocate_output_section): Remove function.
5340         (Layout::write_enable_output_section): Remove function.
5341         * layout.h (class Layout): Update for above changes.  Add new
5342         field sections_are_attached_.
5343         * output.h (Output_section::update_flags_for_input_section): New
5344         function.
5345         * output.cc (Output_section::add_input_section): Call
5346         update_flags_for_input_section.
5347         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5348
5349 2008-04-11  Cary Coutant  <ccoutant@google.com>
5350
5351         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5352         thought unnecessary.
5353         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5354
5355 2008-04-11  Ian Lance Taylor  <iant@google.com>
5356
5357         * output.h (class Output_section_data): Remove inline definition
5358         of set_addralign.
5359         * output.cc (Output_section_data::set_addralign): New function.
5360
5361 2008-04-11  Cary Coutant  <ccoutant@google.com>
5362
5363         Add support for TLS descriptors for i386 and x86_64.
5364         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5365         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5366         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5367         GOT_TYPE_TLS_DESC.
5368         (Target_i386::got_mod_index_entry): Remove unnecessary code.
5369         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5370         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
5371         relocations.
5372         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5373         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5374         Fix problem with initial-exec relocations.
5375         (Target_i386::Relocate::relocate_tls): Likewise.
5376         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5377         relaxation.
5378         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5379         support for section-plus-offset dynamic table entries.
5380         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5381         (Output_data_dynamic::Dynamic_entry): Add support for
5382         section-plus-offset dynamic table entries.
5383         (Output_data_dynamic::Classification): Likewise.
5384         (Output_data_dynamic::classification_): Renamed offset_.
5385         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5386         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5387         (Target_x86_64::make_plt_section): New function.
5388         (Target_x86_64::reserve_tlsdesc_entries): New function.
5389         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5390         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5391         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5392         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5393         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5394         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5395         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5396         add extra PLT entry for TLS descriptors.
5397         (Output_data_plt_x86_64::got_): New field.
5398         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5399         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5400         fields.
5401         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5402         descriptors.
5403         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5404         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5405         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5406         R_386_TLS_DESC_CALL relocations.
5407         (Target_x86_64::Scan::global): Likewise.
5408         (Target_x86_64::do_finalize_sections): Add dynamic table entries
5409         for TLS descriptors.
5410         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5411         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5412         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5413         GD-to-IE relaxation.
5414         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5415         and TLS_DESCRIPTORS.
5416         * Makefile.in: Rebuild.
5417         * configure: Rebuild.
5418         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5419         (tls_test_shared2.so): New target.
5420         (tls_shared_gd_to_ie_test_SOURCES): New variable.
5421         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5422         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5423         (tls_shared_gd_to_ie_test_LDADD): New variable.
5424         (tls_shared_gnu2_gd_to_ie_test): New target.
5425         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5426         New targets.
5427         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5428         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5429         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5430         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5431         (tls_shared_gnu2_test): New target.
5432         (tls_test_gnu2_shared.so): New target.
5433         (tls_shared_gnu2_test_SOURCES): New variable.
5434         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5435         (tls_shared_gnu2_test_LDFLAGS): New variable.
5436         (tls_shared_gnu2_test_LDADD): New variable.
5437         * testsuite/Makefile.in: Rebuild.
5438         * testsuite/Makefile.
5439
5440 2008-04-11  Ian Lance Taylor  <iant@google.com>
5441
5442         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5443         justsyms.t.
5444         * testsuite/Makefile.in: Rebuild.
5445
5446         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5447         long.
5448         * testsuite/script_test_2.cc (main): Adjust test.
5449
5450 2008-04-11  David S. Miller  <davem@davemloft.net>
5451             Ian Lance Taylor  <iant@google.com>
5452
5453         * options.h (General_options): Add entries for '-Y' and
5454         '-relax'.
5455         * options.cc (General_options:finalize): If -Y was used, add those
5456         entries to the library path instead of the default "/lib" and
5457         "/usr/lib".
5458
5459 2008-04-11  David S. Miller  <davem@davemloft.net>
5460
5461         * testsuite/justsyms.t: Start at 0x100.
5462         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5463         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5464         long.
5465         * testsuite/script_test_2.cc: Adjust string and section length
5466         checks.
5467
5468 2008-04-09  Ian Lance Taylor  <iant@google.com>
5469
5470         PR gold/5996
5471         * script-sections.cc (Sections_element::allocate_to_segment): Add
5472         orphan parameter.
5473         (Output_section_definition::allocate_to_segment): Likewise.
5474         (Orphan_output_section::allocate_to_segment): Likewise.
5475         (Script_sections::attach_sections_using_phdrs_clause): Don't
5476         propagate non-PT_LOAD segments to orphan sections.
5477         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5478         readelf rather than objdump.
5479         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5480         .interp section and PT_INTERP segment are the same size.
5481         * testsuite/Makefile.in: Rebuild.
5482
5483         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5484         aliases for symbols defined in the same object.
5485         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5486         (weak_alias_test_SOURCES): New variable.
5487         (weak_alias_test_DEPENDENCIES): New variable.
5488         (weak_alias_test_LDFLAGS): New variable.
5489         (weak_alias_test_LDADD): New variable.
5490         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5491         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5492         (weak_alias_test_3.o): New target.
5493         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5494         * testsuite/weak_alias_test_main.cc: New file.
5495         * testsuite/weak_alias_test_1.cc: New file.
5496         * testsuite/weak_alias_test_2.cc: New file.
5497         * testsuite/weak_alias_test_3.cc: New file.
5498
5499 2008-04-08  Ian Lance Taylor  <iant@google.com>
5500
5501         * options.h (class General_options): Add --noinhibit-exec option.
5502         * main.cc (main): Check --noinhibit-exec.
5503
5504         * options.h (class General_options): Define --wrap as a special
5505         option.  Add wrap_symbols_ field.
5506         (General_options::any_wrap_symbols): New function.
5507         (General_options::is_wrap_symbol): New function.
5508         * options.cc (General_options::parse_wrap): New function.
5509         (General_options::General_options): Initialize wrap_symbols_.
5510         * symtab.cc (Symbol_table::wrap_symbol): New function.
5511         (Symbol_table::add_from_object): Handle --wrap.
5512         * symtab.h (class Symbol_table): Declare wrap_symbol.
5513         * target.h (Target::wrap_char): New function.
5514         (Target::Target_info): Add wrap_char field.
5515         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5516         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5517         * testsuite/testfile.cc (Target_test::test_target_info):
5518         Likewise.
5519
5520         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5521         there is one.
5522
5523         * layout.h (class Layout): Add added_eh_frame_data_ field.
5524         * layout.cc (Layout::Layout): Initialize new field.
5525         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5526         output section until we find a section we merged successfully.
5527         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5528         that the size be non-zero.
5529
5530         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5531         qualifier.
5532
5533 2008-04-08  Craig Silverstein  <csilvers@google.com>
5534
5535         * configure.ac: Export new conditional variable HAVE_ZLIB.
5536         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5537         on HAVE_ZLIB.
5538         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5539         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5540
5541 2008-04-07  Ian Lance Taylor  <iant@google.com>
5542
5543         * version.cc (version_string): Set to "1.5".
5544
5545         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5546         Add issued_non_pic_error_ field.  Declare check_non_pic.
5547         (Target_x86_64::Scan::check_non_pic): New function.
5548         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5549         (Target_x86_64::Scan::global): Likewise.
5550
5551         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5552         addend parameter.  Change caller.  Handle merge sections.
5553         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5554         Address to Addend.  Don't add in the result of
5555         local_section_offset, pass down the addend and use the returned
5556         value.
5557         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5558         Update declarations of local_section_offset and symbol_value.
5559         * testsuite/two_file_test_1.cc (t18): New function.
5560         * testsuite/two_file_test_2.cc (f18): New function.
5561         * testsuite/two_file_test_main.cc (main): Call t18.
5562         * testsuite/two_file_test.h (t18, f18): Declare.
5563
5564         * configure.ac: Don't test for objdump, c++filt, or readelf.
5565         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5566         conditionals.
5567         (TEST_READELF): New variable.
5568         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5569         (check_PROGRAMS): Add two_file_strip_test.
5570         (two_file_strip_test): New target.
5571         (check_PROGRAMS): Add two_file_same_shared_strip_test.
5572         (two_file_same_shared_strip_test_SOURCES): New variable.
5573         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5574         (two_file_same_shared_strip_test_LDFLAGS): New variable.
5575         (two_file_same_shared_strip_test_LDADD): New variable.
5576         (two_file_shared_strip.so): New target.
5577         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5578         (ver_test_5.syms, ver_test_7.syms): Likewise.
5579         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5580         (strip_test_3.stdout): Use TEST_OBJDUMP.
5581         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5582
5583 2008-04-04  Cary Coutant  <ccoutant@google.com>
5584
5585         * symtab.h (Symbol::is_weak_undefined): New function.
5586         (Symbol::is_strong_undefined): New function.
5587         (Symbol::is_absolute): New function.
5588         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5589         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5590         absolute symbols.
5591         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5592         (weak_undef_test): New target.
5593         * testsuite/Makefile.in: Rebuild.
5594         * testsuite/weak_undef_file1.cc: New file.
5595         * testsuite/weak_undef_file2.cc: New file.
5596         * testsuite/weak_undef_test.cc: New file.
5597
5598 2008-04-03  Craig Silverstein  <csilvers@google.com>
5599
5600         * compressed_output.h (class Output_compressed_section): Use
5601         unsigned buffer.
5602         * compressed_output.cc (zlib_compress): Use unsigned buffers,
5603         add zlib header.
5604         (zlib_compressed_suffix): Removed.
5605         (Output_compressed_section::set_final_data_size): Use unsigned
5606         buffers.
5607         * testsuite/Makefile.am (flagstest_compress_debug_sections):
5608         Fix linker invocation.
5609         (flagstest_o_specialfile_and_compress_debug_sections):
5610         Likewise.
5611         * testsuite/Makefile.in: Regenerated.
5612
5613 2008-04-02  David S. Miller  <davem@davemloft.net>
5614
5615         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5616         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5617
5618 2008-04-02  Craig Silverstein  <csilvers@google.com>
5619
5620         * TODO: New file.
5621
5622 2008-04-02  Ian Lance Taylor  <iant@google.com>
5623
5624         * fileread.cc (File_read::find_view): Add byteshift and vshifted
5625         parameters.  Update for new key type to views_.  Change all
5626         callers.
5627         (File_read::read): Adjust for byteshift in returned view.
5628         (File_read::add_view): New function, broken out of
5629         find_and_make_view.
5630         (File_read::make_view): New function, broken out of
5631         find_and_make_view.
5632         (File_read::find_or_make_view): Add offset and aligned
5633         parameters.  Rewrite accordingly.  Change all callers.
5634         (File_read::get_view): Add offset and aligned parameters.  Adjust
5635         for byteshift in return value.
5636         (File_read::get_lasting_view): Likewise.
5637         * fileread.h (class File_read): Update declarations.
5638         (class File_read::View): Add byteshift_ field.  Add byteshift to
5639         constructor.  Add byteshift method.
5640         * archive.h (Archive::clear_uncached_views): New function.
5641         (Archive::get_view): Add aligned parameter.  Change all callers.
5642         * object.h (Object::get_view): Add aligned parameter.  Change all
5643         callers.
5644         (Object::get_lasting_view): Likewise.
5645
5646         * fileread.cc (File_read::release): Don't call clear_views if
5647         there are multiple objects.
5648         * fileread.h (File_read::clear_uncached_views): New function.
5649         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5650         on the archive.
5651
5652 2008-03-31  Cary Coutant  <ccoutant@google.com>
5653
5654         Add thin archive support.
5655         * archive.cc (Archive::armagt): New const.
5656         (Archive::setup): Remove task parameter and calls to unlock.
5657         (Archive::unlock_nested_archives): New function.
5658         (Archive::read_header): Add nested_off parameter. Change
5659         all callers.
5660         (Archive::interpret_header): Likewise.
5661         (Archive::include_all_members): Change to handle thin
5662         archives.
5663         (Archive::include_member): Likewise.
5664         * archive.h (Archive::Archive): Add new parameters and
5665         initializers.
5666         (Archive::armagt): New const.
5667         (Archive::setup): Remove task parameter.
5668         (Archive::unlock_nested_archives): New function.
5669         (Archive::read_header): Add nested_off parameter.
5670         (Archive::interpret_header): Likewise.
5671         (Archive::Nested_archive_table): New typedef.
5672         (Archive::is_thin_archive_): New field.
5673         (Archive::nested_archives_): New field.
5674         (Archive::options_): New field.
5675         (Archive::dirpath_): New field.
5676         (Archive::task_): New field.
5677         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5678         for thin archives.  Pass additional parameters to
5679         Archive::Archive.  Unlock the archive file after calling
5680         Archive::setup.
5681
5682 2008-03-29  Ian Lance Taylor  <iant@google.com>
5683
5684         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5685         version symbol to be local.
5686         * testsuite/ver_test_4.sh: New file.
5687         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5688         (check_DATA): Add ver_test_4.syms.
5689         (ver_test_4.syms): New target.
5690         * testsuite/Makefile.in: Rebuild.
5691
5692         * output.cc
5693         (Output_section::Input_section_sort_entry::has_priority): New
5694         function.
5695         (Output_section::Input_section_sort_entry::match_file_name): New
5696         function.
5697         (Output_section::Input_section_sort_entry::match_section_name):
5698         Remove.
5699         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5700         Remove.
5701         (Output_section::Input_section_sort_entry::match_section_file):
5702         Remove.
5703         (Output_section::Input_section_sort_compare::operator()): Rewrite
5704         using new Input_section_sort_entry functions.  Sort crtbegin and
5705         crtend first.  Sort sections with no priority before sections with
5706         a priority.
5707         * testsuite/initpri1.c (d3): Check j != 4.
5708         (cd5): New constructor/destructor function.
5709         (main): Check j != 2.
5710
5711         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5712         new symbol when resolving, don't call set_is_default.
5713         * testsuite/ver_test_7.cc: New file.
5714         * testsuite/ver_test_7.sh: New file.
5715         * testsuite/Makefile.am (ver_test_7.so): New target.
5716         (ver_test_7.o): New target.
5717         (check_SCRIPTS): Add ver_test_7.sh.
5718         (check_DATA): Add ver_test_7.syms.
5719         (ver_test_7.syms): New target.
5720
5721 2008-03-28  Ian Lance Taylor  <iant@google.com>
5722
5723         * layout.cc (Layout::layout): If we see an input section with a
5724         name that needs sorting, set the must_sort flag for the output
5725         section.
5726         (Layout::make_output_section): If the name of the output section
5727         indicates that it might require sorting, set the may_sort flag.
5728         * output.h (Output_section::may_sort_attached_input_sections): New
5729         function.
5730         (Output_section::set_may_sort_attached_input_sections): New
5731         function.
5732         (Output_section::must_sort_attached_input_sections): New
5733         function.
5734         (Output_section::set_must_sort_attached_input_sections): New
5735         function.
5736         (class Output_section): Declare Input_section_sort_entry.  Define
5737         Input_section_sort_compare.  Declare
5738         sort_attached_input_sections.  Add new fields:
5739         may_sort_attached_input_sections_,
5740         must_sort_attached_input_sections_,
5741         attached_input_sections_are_sorted_.
5742         * output.cc (Output_section::Output_section): Initialize new
5743         fields.
5744         (Output_section::add_input_section): Add an entry to
5745         input_sections_ if may_sort or must_sort are true.
5746         (Output_section::set_final_data_size): Call
5747         sort_attached_input_sections if necessary.
5748         (Output_section::Input_section_sort_entry): Define new class.
5749         (Output_section::Input_section_sort_compare::operator()): New
5750         function.
5751         (Output_section::sort_attached_input_sections): New function.
5752         * configure.ac: Check whether the compiler supports constructor
5753         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5754         * testsuite/initpri1.c: New file.
5755         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5756         CONSTRUCTOR_PRIORITY.
5757         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5758         (initpri1_LDFLAGS): New variable.
5759         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5760
5761 2008-03-27  Ian Lance Taylor  <iant@google.com>
5762
5763         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5764         * testsuite/common_test_1.c: New file.
5765         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5766         (common_test_1_SOURCES): New variable.
5767         (common_test_1_DEPENDENCIES): New variable.
5768         (common_test_1_LDFLAGS): New variable.
5769
5770         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5771         and commons_ correctly when NAME/VERSION does not override
5772         NAME/NULL.
5773         * testsuite/ver_test_6.c: New file.
5774         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5775         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5776         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5777
5778 2008-03-26  Ian Lance Taylor  <iant@google.com>
5779
5780         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5781         of an undefined symbol from a version script.
5782         * testsuite/Makefile.am (ver_test_5.so): New target.
5783         (ver_test_5.o): New target.
5784         (check_SCRIPTS): Add ver_test_5.sh.
5785         (check_DATA): Add ver_test_5.syms.
5786         (ver_test_5.syms): New target.
5787         * testsuite/ver_test_5.cc: New file.
5788         * testsuite/ver_test_5.script: New file.
5789         * testsuite/ver_test_5.sh: New file.
5790         * Makefile.in, testsuite/Makefile.in: Rebuild.
5791
5792         PR gold/5986
5793         Fix problems building gold with gcc 4.3.0.
5794         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5795         (gold_error_at_location, gold_warning_at_location): Use it.
5796         * configure.ac: Check whether we can compile and use a template
5797         function with a printf attribute.
5798         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5799         when jumping over bytes.
5800         * object.cc: Instantiate Object::read_section_data.
5801         * debug.h: Include <cstring>
5802         * dwarf_reader.cc: Include <algorithm>
5803         * main.cc: Include <cstring>.
5804         * options.cc: Include <cstring>.
5805         * output.cc: Include <cstring>.
5806         * script.cc: Include <cstring>.
5807         * script.h: Include <string>.
5808         * symtab.cc: Include <cstring> and <algorithm>.
5809         * target-select.cc: Include <cstring>.
5810         * version.cc: Include <string>.
5811         * testsuite/testmain.cc: Include <cstdlib>.
5812         * configure, config.in: Rebuild.
5813
5814 2008-03-25  Ian Lance Taylor  <iant@google.com>
5815
5816         * options.cc: Include "../bfd/bfdver.h".
5817         (options::help): Print bug reporting address.
5818
5819         * version.cc (print_version): Adjust output for current value of
5820         BFD_VERSION_STRING.
5821
5822         * NEWS: New file.
5823
5824         * options.cc (options::help): Print list of supported targets.
5825         * target-select.h: Include <vector>.
5826         (class Target_selector): Make machine_, size_, and is_big_endian_
5827         fields const.  Add bfd_name_ and instantiated_target_ fields.
5828         (Target_selector::Target_selector): Add bfd_name parameter.
5829         (Target_selector::recognize): Make non-virtual, call
5830         do_recognize.
5831         (Target_selector::recognize_by_name): Make non-virtual, call
5832         do_recognize_by_name.
5833         (Target_selector::supported_names): New function.
5834         (Target_selector::bfd_name): New function.
5835         (Target_selector::do_instantiate_target): New pure virtual
5836         function.
5837         (Target_selector::do_recognize): New virtual function.
5838         (Target_selector::do_recognize_by_name): New virtual function.
5839         (Target_selector::instantiate_target): New private function.
5840         (supported_target_names): Declare.
5841         * target-select.cc (Target_selector::Target_selector): Update for
5842         new parameter and fields.
5843         (select_target_by_name): Check that the name matches before
5844         calling recognize_by_name.
5845         (supported_target_names): New function.
5846         * i386.cc (class Target_selector_i386): Update Target_selector
5847         constructor call.  Remove recognize and recognize_by_name.  Add
5848         do_instantiate_target.
5849         * x86_64.cc (class Target_selector_x86_64): Likewise.
5850         * testsuite/testfile.cc (class Target_selector_test): Update for
5851         changes to Target_selector.
5852
5853         * README: Rewrite, with some notes on unsupported features.
5854
5855 2008-03-24  Cary Coutant  <ccoutant@google.com>
5856
5857         * i386.cc (Target_i386::Got_type): New enum declaration.
5858         (Target_i386::Scan::local): Updated callers of Output_data_got
5859         member functions.
5860         (Target_i386::Scan::global): Likewise.
5861         (Target_i386::Relocate::relocate): Likewise.
5862         (Target_i386::Relocate::relocate_tls): Likewise.
5863         * object.h (Got_offset_list): New class.
5864         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5865         (Sized_relobj::local_got_offset): Likewise.
5866         (Sized_relobj::set_local_got_offset): Likewise.
5867         (Sized_relobj::local_has_tls_got_offset): Removed.
5868         (Sized_relobj::local_tls_got_offset): Removed.
5869         (Sized_relobj::set_local_tls_got_offset): Removed.
5870         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5871         * output.cc (Output_data_got::add_global): Added got_type parameter.
5872         (Output_data_got::add_global_with_rel): Likewise.
5873         (Output_data_got::add_global_with_rela): Likewise.
5874         (Output_data_got::add_global_pair_with_rel): New function.
5875         (Output_data_got::add_global_pair_with_rela): New function.
5876         (Output_data_got::add_local): Added got_type parameter.
5877         (Output_data_got::add_local_with_rel): Likewise.
5878         (Output_data_got::add_local_with_rela): Likewise.
5879         (Output_data_got::add_local_pair_with_rel): New function.
5880         (Output_data_got::add_local_pair_with_rela): New function.
5881         (Output_data_got::add_global_tls): Removed.
5882         (Output_data_got::add_global_tls_with_rel): Removed.
5883         (Output_data_got::add_global_tls_with_rela): Removed.
5884         (Output_data_got::add_local_tls): Removed.
5885         (Output_data_got::add_local_tls_with_rel): Removed.
5886         (Output_data_got::add_local_tls_with_rela): Removed.
5887         * output.h (Output_data_got::add_global): Added got_type parameter.
5888         (Output_data_got::add_global_with_rel): Likewise.
5889         (Output_data_got::add_global_with_rela): Likewise.
5890         (Output_data_got::add_global_pair_with_rel): New function.
5891         (Output_data_got::add_global_pair_with_rela): New function.
5892         (Output_data_got::add_local): Added got_type parameter.
5893         (Output_data_got::add_local_with_rel): Likewise.
5894         (Output_data_got::add_local_with_rela): Likewise.
5895         (Output_data_got::add_local_pair_with_rel): New function.
5896         (Output_data_got::add_local_pair_with_rela): New function.
5897         (Output_data_got::add_global_tls): Removed.
5898         (Output_data_got::add_global_tls_with_rel): Removed.
5899         (Output_data_got::add_global_tls_with_rela): Removed.
5900         (Output_data_got::add_local_tls): Removed.
5901         (Output_data_got::add_local_tls_with_rel): Removed.
5902         (Output_data_got::add_local_tls_with_rela): Removed.
5903         * resolve.cc (Symbol::override_base_with_special): Removed
5904         reference to has_got_offset_ field.
5905         * symtab.cc (Symbol::init_fields): Replaced initialization
5906         of got_offset_ with got_offsets_.  Removed initialization
5907         of has_got_offset_
5908         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5909         (Symbol::got_offset): Likewise.
5910         (Symbol::set_got_offset): Likewise.
5911         (Symbol::has_tls_got_offset): Removed.
5912         (Symbol::tls_got_offset): Removed.
5913         (Symbol::set_tls_got_offset): Removed.
5914         (Symbol::got_offset_): Removed.
5915         (Symbol::tls_mod_got_offset_): Removed.
5916         (Symbol::tls_pair_got_offset_): Removed.
5917         (Symbol::got_offsets_): New field.
5918         (Symbol::has_got_offset): Removed.
5919         (Symbol::has_tls_mod_got_offset): Removed.
5920         (Symbol::has_tls_pair_got_offset): Removed.
5921         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5922         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5923         member functions.
5924         (Target_x86_64::Scan::global): Likewise.
5925         (Target_x86_64::Relocate::relocate): Likewise.
5926         (Target_x86_64::Relocate::relocate_tls): Likewise.
5927
5928 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5929
5930         * yyscript.y: Fix spelling error in comment.
5931
5932 2008-03-24  Ian Lance Taylor  <iant@google.com>
5933
5934         * options.h (class General_options): Define build_id option.
5935         * layout.h (class Layout): Declare write_build_id, create_note,
5936         create_build_id.  Add build_id_note_ member.
5937         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5938         "libiberty.h", "md5.h", "sha1.h".
5939         (Layout::Layout): Initialize eh_frame_data_,
5940         eh_frame_hdr_section_, and build_id_note_.
5941         (Layout::finalize): Call create_build_id.
5942         (Layout::create_note): New function, broken out of
5943         Layout::create_gold_note.
5944         (Layout::create_gold_note): Call create_note.
5945         (Layout::create_build_id): New function.
5946         (Layout::write_build_id): New function.
5947         (Close_task_runner::run): Call write_build_id.
5948
5949         * x86_64.cc: Correct license to GPLv3.
5950
5951 2008-03-23  Ian Lance Taylor  <iant@google.com>
5952
5953         * options.cc: Include "demangle.h".
5954         (parse_optional_string): New function.
5955         (parse_long_option): Handle takes_optional_argument.
5956         (parse_short_option): Update dash_z initializer.  Handle
5957         takes_optional_argument.
5958         (General_options::General_options): Initialize do_demangle_.
5959         (General_options::finalize): Set do_demangle_.  Handle demangling
5960         style.
5961         * options.h (parse_optional_string): Declare.
5962         (struct One_option): Add optional_arg field.  Update constructor.
5963         Update call constructor calls.  Add takes_optional_argument
5964         function.
5965         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5966         (DEFINE_optional_string): Define.
5967         (General_options::demangle): Change from DEFINE_bool to
5968         DEFINE_optional_string.
5969         (General_options::no_demangle): New function.
5970         (General_options::do_demangle): New function.
5971         (General_options::set_do_demangle): New function.
5972         (General_options::execstack_status_): Move definition to end of
5973         class definition.
5974         (General_options::static_): Likewise.
5975         (General_options::do_demangle_): New field.
5976         * object.cc (big_endian>::get_symbol_location_info): Call
5977         Options::do_demangle, not Options::demangle.
5978         * symtab.cc (demangle): Likewise.
5979
5980 2008-03-22  Ian Lance Taylor  <iant@google.com>
5981
5982         * gold.h: Include <cstddef> and <sys/types.h>
5983         * options.h: Include <cstring>.
5984
5985 2008-03-21  Ian Lance Taylor  <iant@google.com>
5986
5987         * Added source code to GNU binutils.