gold/ChangeLog

   1 2010-01-07  Ian Lance Taylor  <iant@google.com>
   2
   3         PR 11061
   4         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
   5         function.
   6         (class Output_data_reloc_generic): Define.
   7         (class Output_data_reloc_base): Change base class to
   8         Output_data_reloc_generic.  Change add() method to call
   9         bump_relative_reloc_count for a relative reloc.  Remove
  10         sort_relocs_ field.
  11         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
  12         to sort_relocs().
  13         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
  14         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
  15         appropriate.
  16         * layout.h (class Layout): Update declaration.
  17
  18 2010-01-07  Ian Lance Taylor  <iant@google.com>
  19
  20         * output.h (class Output_data): Add const version of
  21         output_section and do_output_section.
  22         (class Output_section_data): Add const version of
  23         do_output_section.
  24         (class Output_section): Likewise.
  25         * layout.cc (Layout::add_target_dynamic_tags): New function.
  26         * layout.h (class Layout): Update declarations.
  27         * arm.cc (Target_arm::do_finalize_sections): Use
  28         add_target_dynamic_tags.
  29         * i386.cc (Target_i386::do_finalize_sections): Likewise.
  30         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
  31         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
  32         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
  33
  34 2010-01-07  Ian Lance Taylor  <iant@google.com>
  35
  36         PR 11042
  37         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
  38         object as needed.
  39
  40 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
  41             Ian Lance Taylor  <iant@google.com>
  42
  43         PR 11019
  44         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
  45         Xindex::read_symtab_xindex.
  46
  47 2010-01-07  Doug Kwan  <dougkwan@google.com>
  48
  49         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
  50         (Insn_template::thumb16_bcond_insn): New method declaration.
  51         (Insn_template): Fix spelling.
  52         (Stub::thumb16_special): New method declaration.
  53         (Stub::do_write): Define virtual method which was previously pure
  54         virtual.
  55         (Stub::do_thumb16_special): New method declaration.
  56         (Stub::do_fixed_endian_write): New template member.
  57         (Reloc_stub::do_write): Remove.
  58         (Reloc_stub::do_fixed_endian_write): Remove.
  59         (Cortex_a8_stub): New class definition.
  60         (Stub_factory::make_cortex_a8_stub): New method definition.
  61         (Stub_factory::Stub_factory): Add missing static storage class
  62         qualifier for elf32_arm_stub_a8_veneer_blx.
  63
  64 2010-01-07  Ian Lance Taylor  <iant@google.com>
  65
  66         PR 10980
  67         * options.h (class General_options): Add --warn-unresolved-symbols
  68         and --error-unresolved-symbols.
  69         * errors.cc (Errors::undefined_symbol): Implement
  70         --warn-unresolved-symbols.
  71
  72         * options.h (class General_options): Add -z text and -z textoff.
  73         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
  74
  75 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
  76
  77         * gc.h (Garbage_collection::Cident_section_map): New typedef.
  78         (Garbage_collection::cident_sections): New function.
  79         (Garbage_collection::add_cident_section): New function.
  80         (Garbage_collection::cident_sections_): New member.
  81         (gc_process_relocs): Add references to sections whose names are C
  82         identifiers.
  83         * gold.h (cident_section_start_prefix): New constant.
  84         (cident_section_stop_prefix): New constant.
  85         (is_cident): New function.
  86         * layout.cc (Layout::define_section_symbols): Replace string constants
  87         with the newly defined constants.
  88         * object.cc (Sized_relobj::do_layout): Track sections whose names are
  89         C identifiers.
  90         * testsuite/Makefile.am: Add gc_orphan_section_test.
  91         * testsuite/Makefile.in: Regenerate.
  92         * testsuite/gc_orphan_section_test.cc: New file.
  93         * testsuite/gc_orphan_section_test.sh: New file.
  94
  95 2010-01-06  Ian Lance Taylor  <iant@google.com>
  96
  97         PR 10980
  98         * options.h (class General_options): Add --warn-shared-textrel.
  99         * layout.cc (Layout::finish_dynamic_section): Implement
 100         --warn-shared-textrel.
 101
 102         PR 10980
 103         * options.h (class General_options): Add --warn-multiple-gp.
 104
 105 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 106
 107         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
 108         $(THREADSLIB) and $(LIBDL).
 109         * Makefile.in: Rebuild.
 110
 111 2010-01-06  Ian Lance Taylor  <iant@google.com>
 112
 113         PR 10980
 114         * options.cc (General_options::parse_section_start): New function.
 115         (General_options::section_start): New function.
 116         (General_options::General_options): Initialize all members.
 117         * options.h: Include <map>
 118         (class General_options): Add --section-start.  Add section_starts_
 119         member.
 120         * layout.cc (Layout::attach_allocated_section_to_segment): If
 121         --section-start was used, set the address of the segment.  Remove
 122         local sort_sections.
 123         (Layout::relaxation_loop_body): If the address of the load segment
 124         has been set by --section-start, don't use it.
 125         * output.h (Output_segment::update_flags_for_output_section): New
 126         function.
 127         * output.cc (Output_segment::add_output_section): Call
 128         update_flags_for_output_section.
 129
 130 2010-01-05  Ian Lance Taylor  <iant@google.com>
 131
 132         PR 10980
 133         * options.h (class General_options): Add --undefined-version.
 134         * script.cc (struct Version_expression): Add was_matched_by_symbol
 135         field.
 136         (Version_script_info::matched_symbol): New function.
 137         (Version_script_info::get_symbol_version_helper): Call
 138         matched_symbol.
 139         (Version_script_info::check_unmatched_names): New function.
 140         * script.h (class Version_script_info): Update declarations.
 141         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
 142
 143         * options.h (class General_options): Use DEFINE_bool_alias for
 144         allow_multiple_definition.
 145         * resolve.cc (Symbol_table::should_override): Don't test
 146         allow_multiple_definition.
 147
 148         PR 10980
 149         * options.h (class General_options): Add --cref.
 150         * main.cc (main): Print cref table if --cref.  Don't close mapfile
 151         until after printing cref table.
 152         * cref.cc: Include "symtab.h".
 153         (class Cref_inputs): Define Cref_table_compare and Cref_table.
 154         (Cref_table_compare::operator()): New function.
 155         (Cref_inputs::gather_cref): New function.
 156         (filecol): New static const.
 157         (Cref_inputs::print_cref): New function.
 158         (Cref::print_cref): New function.
 159         * cref.h: Include <cstdio>.
 160         (class Cref): Update declarations.
 161         * mapfile.h (Mapfile::file): New function.
 162         * object.h (class Object): Define Symbols.  Declare virtual
 163         do_get_global_symbols.
 164         (Object::get_global_symbols): New function.
 165         * object.cc (Input_objects::add_object): Pass object to cref_ if
 166         --cref.
 167         (Input_objects::archive_start): Likewise.
 168         (Input_objects::archive_stop): Likewise.
 169         (Input_objects::print_cref): New function.
 170         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
 171         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
 172         --cref.
 173         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
 174         function.
 175         * plugin.h (class Sized_pluginobj): Update declarations.
 176
 177 2010-01-05  Ian Lance Taylor  <iant@google.com>
 178
 179         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
 180         to is_default_version.  Rename insdef to insdefault.
 181         (Symbol_table::add_from_relobj): Rename def to is_default_version
 182         and local to is_forced_local.
 183         (Symbol_table::add_from_pluginobj): Likewise.
 184         (Symbol_table::add_from_dynobj): Likewise.
 185         (Symbol_table::define_special_symbol): Rename insdef to
 186         insdefault.
 187
 188 2010-01-04  Ian Lance Taylor  <iant@google.com>
 189
 190         PR 10980
 191         * options.h (class General_options): Add
 192         --allow-multiple-definition and -z muldefs.
 193         * resolve.cc (Symbol_table::should_override): Don't warn about a
 194         multiple symbol definition if --allow-multiple-definition or -z
 195         muldefs.
 196
 197         PR 10980
 198         * options.h (class General_options): Add --add-needed and
 199         --copy-dt-needed-entries.  Tweak --as-needed help entry.
 200         * object.cc (Input_objects::check_dynamic_dependencies): Give an
 201         error if --copy-dt-needed-entries aka --add-needed is used and
 202         would cause a change in behaviour.
 203
 204         PR 10980
 205         * options.h (class General_options): Add -G as a short version of
 206         --shared.  Add no-op options -assert, -g, and -i.
 207
 208 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
 209
 210         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
 211         check for .text or .gnu.linkonce.t sections.
 212         * icf.cc (Icf::find_identical_sections): Ditto.
 213         Change the detection for mangled function name within the section
 214         name.
 215         * icf.h (is_section_foldable_candidate): New function.
 216
 217 2009-12-30  Ian Lance Taylor  <iant@google.com>
 218
 219         PR 10980
 220         * options.h (class General_options): Permit two dashes with
 221         --retain-symbols-file.
 222
 223 2009-12-30  Ian Lance Taylor  <iant@google.com>
 224
 225         PR 10979
 226         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
 227         don't put the file header and segment headers in the text
 228         segment.
 229
 230         PR 10979
 231         * common.cc (Sort_commons::operator()): Stabilize sort when both
 232         entries are NULL.
 233         (Symbol_table::do_allocate_commons_list): When allocating common
 234         symbols, skip a symbol which is no longer common.
 235         * symtab.h (Symbol::is_common): Test whether the symbol comes from
 236         an object before checking its type.
 237         * testsuite/common_test_2.c: New file.
 238         * testsuite/common_test_3.c: New file.
 239         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
 240         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
 241         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
 242         (common_test_2_pic.o, common_test_2.so): New targets.
 243         (common_test_3_pic.o, common_test_3.so): New targets.
 244         * testsuite/Makefile.in: Rebuild.
 245
 246         PR 10979
 247         * script.cc (read_input_script): If we see a new SECTIONS clause,
 248         and we have added an input section, give an error.
 249         * layout.h (class Layout): Add have_added_input_section function.
 250         Add have_added_input_section_ field.
 251         * layout.cc (Layout::Layout): Initialize
 252         have_added_input_section_.
 253         (Layout::layout): Set have_added_input_section_.
 254         (Layout::layout_eh_frame): Likewise.
 255
 256 2009-12-30  Ian Lance Taylor  <iant@google.com>
 257
 258         PR 10931
 259         * options.h (class General_options): Add --sort-common option.
 260         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
 261         * common.cc (Sort_common): Add sort_order parameter to
 262         constructor.  Add sort_order_ field.
 263         (Sort_commons::operator): Check sort_order_.
 264         (Symbol_table::allocate_commons): Determine the sort order.
 265         (Symbol_table::do_allocate_commons): Add sort_order parameter.
 266         Change all callers.
 267         (Symbol_table::do_allocate_commons_list): Likewise.
 268
 269 2009-12-30  Ian Lance Taylor  <iant@google.com>
 270
 271         PR 10916
 272         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
 273         symbols from this object, don't change the visibility of an
 274         undefined symbol.
 275         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
 276
 277 2009-12-30  Ian Lance Taylor  <iant@google.com>
 278
 279         PR 10861
 280         * script.h (class Version_script_info): Define Language enum.
 281         Update declarations.  Define Glob, Exact, and Lookup types.  Add
 282         new fields globals_, locals_, and is_finalized_.
 283         * script.cc: Various formatting fixes.
 284         (class Parser_closure): Change language_stack_ from a vector of
 285         std::string to one of Version_script_info::Language.  Adjust all
 286         uses accordingly.
 287         (class Lazy_demangler): Remove.
 288         (struct Version_expression): Change language from std::string to
 289         Version_script_info::Language.
 290         (Version_script_info::Version_script_info): New function.
 291         (Version_script_info::~Version_script_info): Don't call clear.
 292         (Version_script_info::finalize): New function.
 293         (Version_script_info::build_lookup_tables): New function.
 294         (Version_script_info::build_expression_list_lookup): New
 295         function.
 296         (Version_script_info::get_symbol_version_helper): Rewrite to use
 297         lookup tables.
 298         (Version_script_info::print_expression_list): Adjust to use
 299         Version_script_info::Language.
 300         (script_push_lex_into_version_mode): Check that the version script
 301         has not been finalized.
 302         (version_script_push_lang): Change language string to
 303         Version_script_info::Language.
 304         * options.cc (Command_line::version_script): New function.
 305         * options.h (class General_options): Add finalize_dynamic_list
 306         function.  Change version_script from declaration to definition.
 307         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
 308         * testsuite/version_script.map: Remove duplicate def of foo.
 309         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
 310         version_script.map.
 311         * testsuite/Makefile.in: Rebuild.
 312
 313 2009-12-30  Ian Lance Taylor  <iant@google.com>
 314
 315         PR 10843
 316         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
 317         if the input symbol index is 0, make the output symbol index 0.
 318
 319 2009-12-30  Ian Lance Taylor  <iant@google.com>
 320
 321         PR 10670
 322         * options.h (class General_options): Add -x/--discard-all.
 323         * object.cc (Sized_relobj::do_count_local_symbols): Handle
 324         --discard-all.  If the local symbol needs a dynamic entry, check
 325         that before handling --discard-locals.
 326
 327 2009-12-30  Ian Lance Taylor  <iant@google.com>
 328
 329         PR 10450
 330         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
 331         flags to PF_R.
 332         (Output_segment::add_output_section): Don't change the flags if
 333         the type is PT_TLS.
 334
 335         PR 10450
 336         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
 337         GNU hash table if they need a dynamic value.  Otherwise, don't add
 338         them if they are defined in a dynamic object or are forced local.
 339
 340 2009-12-29  Ian Lance Taylor  <iant@google.com>
 341
 342         PR 10450
 343         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
 344         .gnu.hash table for a 32-bit target.
 345
 346         PR 10450
 347         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
 348         regular and a dynamic object only needs a dynamic symbol table
 349         entry if it is externally visible.
 350
 351         PR 10450
 352         * i386.cc (class Target_i386): Initialize global_offset_table_ in
 353         constructor.  Add global_offset_table_ field.
 354         (Target_i386::got_section): Set global_offset_table_.
 355         (Target_i386::do_finalize_sections): Set global_offset_table_
 356         size.
 357         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
 358         in constructor.  Add global_offset_table_ field.
 359         (Target_x86_64::got_section): Set global_offset_table_.
 360         (Target_x86_64::do_finalize_sections): Set global_offset_table_
 361         size.
 362
 363         * layout.cc (Layout::Layout): Initialize increase_relro_.
 364         (Layout::get_output_section): Add is_relro, is_last_relro, and
 365         is_first_non_relro parameters.  Change all callers.
 366         (Layout::choose_output_section): Likewise.
 367         (Layout::add_output_section_data): Likewise.
 368         (Layout::make_output_section): Likewise.
 369         (Layout::set_segment_offsets): Clear increase_relro when using a
 370         linker script.
 371         * layout.h (class Layout): Add increase_relro method.  Add
 372         increase_relro_ field.  Update declarations.
 373         * output.cc (Output_section::Output_section): Initialize
 374         is_last_relro_ and is_first_non_relro_.
 375         (Output_segment::add_output_section): Group relro sections is
 376         do_sort is true.  Handle is_last_relro and is_first_non_relro.
 377         (Output_segment::maximum_alignment): Remove relro handling.
 378         (Output_segment::set_section_addresses): Add increase_relro
 379         parameter.  Change all callers.  Add initial alignment to align
 380         relro sections on separate page.  Remove old relro handling.
 381         (Output_segment::set_section_list_addresses): Remove in_relro
 382         parameter.  Change all callers.
 383         (Output_segment::set_offset): Add increase parameter.  Change all
 384         callers.  Remove old relro handling.
 385         * output.h (class Output_section): Add new methods: is_last_relro,
 386         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
 387         Add is_last_relro_ and is_first_non_relro_ fields.
 388         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
 389         Create separate .got.plt section.  Call increase_relro.
 390         * x86_64.cc (Target_x86_64::got_section): Likewise.
 391         * testsuite/relro_script_test.t: Add .got.plt.
 392
 393         PR 10450
 394         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
 395         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
 396         (Layout::finalize): Call set_dynamic_symbol_size.
 397         (Layout::set_dynamic_symbol_size): New function.
 398         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
 399         set_dynamic_symbol_size.
 400
 401         PR 10450
 402         * output.h (class Output_section): Add is_entsize_zero_ field.
 403         * output.cc (Output_section::Output_section): Initialize
 404         is_entsize_zero_.
 405         (Output_section::set_entsize): If two different entsizes are
 406         requested, force it to zero.
 407         (Output_section::add_input_section): Set flags for .debug_str
 408         before updating section flags.  Set entsize.
 409         (Output_section::update_flags_for_input_section): Set SHF_MERGE
 410         and SHF_STRING if all input sections have those flags.
 411
 412 2009-12-29   Rafael Espindola  <espindola@google.com>
 413
 414         * main.cc (main): Fix the sys time reporting.
 415         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
 416         reporting.
 417
 418 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
 419
 420         * options.cc (General_options::parse_version): Allow -v to exit
 421         without an error if there is nothing to link.
 422
 423 2009-12-29  Ian Lance Taylor  <iant@google.com>
 424
 425         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
 426         using a version of gcc before 4.1.
 427         * configure: Rebuild.
 428
 429 2009-12-28  Chris Demetriou  <cgd@google.com>
 430
 431         * attributes.cc (Output_attributes_section_data::do_write): Use
 432         std::vector::front rather than std::vector::data.
 433
 434 2009-12-28  Ian Lance Taylor  <iant@google.com>
 435
 436         * symtab.h (class Symbol_table): Add enum Defined.
 437         * resolve.cc (Symbol_table::should_override): Add defined
 438         parameter.  Change all callers.  Test whether object is NULL
 439         before calling a method on it.
 440         (Symbol_table::report_resolve_problem): Add defined parameter.
 441         Change all callers.
 442         (Symbol_table::should_override_with_special): Likewise.
 443         * symtab.cc (Symbol_table::define_in_output_data): Add defined
 444         parameter.  Change all callers.
 445         (Symbol_table::do_define_in_output_data): Likewise.
 446         (Symbol_table::define_in_output_segment): Likewise.
 447         (Symbol_table::do_define_in_output_segment): Likewise.
 448         (Symbol_table::define_as_constant): Likewise.
 449         (Symbol_table::do_define_as_constant): Likewise.
 450         * script.h (class Symbol_assignment): Add is_defsym parameter to
 451         constructor; change all callers.
 452         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
 453         parameter.  Change all callers.  Add is_defsym_ field.
 454         (class Parser_closure): Add parsing_defsym parameter to
 455         constructor; change all callers.  Add parsing_defsym accessor
 456         function.  Add parsing_defsym_ field.
 457
 458 2009-12-28  Ian Lance Taylor  <iant@google.com>
 459
 460         * gold.cc (queue_middle_tasks): Fix formatting.
 461         * object.cc (Relobj::is_section_name_included): Likewise.
 462
 463 2009-12-23  Ian Lance Taylor  <iant@google.com>
 464
 465         * i386.cc (Target_i386::do_calls_non_split): Recognize
 466         -fsplit-stack prologue for a function with a static chain.
 467         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
 468         -fsplit-stack prologue when using %r11.
 469
 470 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
 471
 472         * options.cc (General_options::parse_version): Make -v continue and do
 473         the link like GNU ld does.
 474
 475 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
 476
 477         * Makefile.am (CCFILES): Add timer.cc.
 478         (HFILES): Add timer.h.
 479         * configure.ac: Check for sysconf and times.
 480         * main.cc: include timer.h.
 481         (main): Use Timer instead of get_run_time.
 482         * timer.cc: New.
 483         * timer.h: New.
 484         * workqueue.cc: include timer.h.
 485         (Workqueue::find_and_run_task):
 486         Report user, sys and wall time.
 487         * Makefile.in: Regenerate.
 488         * config.in: Regenerate.
 489         * configure: Regenerate.
 490
 491 2009-12-16  Doug Kwan  <dougkwan@google.com>
 492
 493         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
 494         sections.
 495         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
 496         relaxed input sections.
 497         * output.cc (Output_section::find_relaxed_input_section): Change
 498         return type to Output_relaxed_input_section pointer.  Adjust code
 499         for new type of relaxed_input_section_map_.
 500         * output.h (Output_section::find_relaxed_input_section): Change
 501         return type to Output_relaxed_input_section pointer.
 502         (Output_section::Output_relaxed_input_section_by_input_section_map):
 503         New type.
 504         (Output_section::relaxed_input_section_map_): Change type to
 505         Output_section::Output_relaxed_input_section_by_input_section_map.
 506         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
 507         input section.
 508
 509 2009-12-15  Ian Lance Taylor  <iant@google.com>
 510
 511         * layout.cc (Layout::create_shstrtab): Only write out after input
 512         sections if we are compressing debug sections.
 513
 514 2009-12-15  Ian Lance Taylor  <iant@google.com>
 515
 516         * archive.cc (Archive::add_symbols): Only look up a symbol without
 517         a version if there is, in fact, a version.
 518
 519 2009-12-14  Ian Lance Taylor  <iant@google.com>
 520
 521         Revert -Wshadow changes, all changes from:
 522         2009-12-11  Doug Kwan  <dougkwan@google.com>
 523         2009-12-11  Nick Clifton  <nickc@redhat.com>
 524         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
 525
 526 2009-12-11  Doug Kwan  <dougkwan@google.com>
 527
 528         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
 529         due to -Wshadow.
 530         * attributes.cc (Object_attribute::size): Ditto.
 531         (Attributes_section_data::size): Ditto.
 532         (Attributes_section_data::Attributes_section_data): Ditto.
 533         (Output_attributes_section_data::do_write): Ditto.
 534         * attributes.h (Object_attribute::set_type): Ditto.
 535         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
 536
 537 2009-12-11  Nick Clifton  <nickc@redhat.com>
 538
 539         * archive.cc: Fix shadowed variable warnings.
 540         * arm.cc: Likewise.
 541         * compressed_output.cc: Likewise.
 542         * compressed_output.h: Likewise.
 543         * configure: Likewise.
 544         * dwarf_reader.cc: Likewise.
 545         * dynobj.cc: Likewise.
 546         * dynobj.h: Likewise.
 547         * ehframe.cc: Likewise.
 548         * ehframe.h: Likewise.
 549         * errors.cc: Likewise.
 550         * expression.cc: Likewise.
 551         * fileread.cc: Likewise.
 552         * fileread.h: Likewise.
 553         * freebsd.h: Likewise.
 554         * i386.cc: Likewise.
 555         * icf.cc: Likewise.
 556         * incremental.h: Likewise.
 557         * layout.cc: Likewise.
 558         * layout.h: Likewise.
 559         * mapfile.cc: Likewise.
 560         * merge.cc: Likewise.
 561         * merge.h: Likewise.
 562         * object.cc: Likewise.
 563         * object.h: Likewise.
 564         * options.h: Likewise.
 565         * output.cc: Likewise.
 566         * output.h: Likewise.
 567         * parameters.cc: Likewise.
 568         * plugin.cc: Likewise.
 569         * powerpc.cc: Likewise.
 570         * reduced_debug_output.cc: Likewise.
 571         * reduced_debug_output.h: Likewise.
 572         * reloc.cc: Likewise.
 573         * reloc.h: Likewise.
 574         * resolve.cc: Likewise.
 575         * script-sections.cc: Likewise.
 576         * script.cc: Likewise.
 577         * script.h: Likewise.
 578         * sparc.cc: Likewise.
 579         * symtab.cc: Likewise.
 580         * symtab.h: Likewise.
 581         * target-select.cc: Likewise.
 582         * target-select.h: Likewise.
 583         * token.h: Likewise.
 584         * workqueue.cc: Likewise.
 585         * workqueue.h: Likewise.
 586         * x86_64.cc: Likewise.
 587
 588 2009-12-10  Doug Kwan  <dougkwan@google.com>
 589
 590         * arm.cc (attributes.h): New include.
 591         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
 592         (Arm_relobj::~Arm_relobj): Delete object pointed by
 593         attributes_section_data_.
 594         (Arm_relobj::attributes_section_data): New method definition.
 595         (Arm_relobj::attributes_section_data_): New data member declaration.
 596         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
 597         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
 598         attributes_section_data_.
 599         (Arm_dynobj::attributes_section_data): New method definition.
 600         (Arm_dynobj::attributes_section_data_): New data member declaration.
 601         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
 602         initialization value of may_use_blx_ to false.
 603         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
 604         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
 605         object attributes to compute results instead of hard-coding.
 606         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
 607         Target_arm::get_secondary_compatible_arch,
 608         Target_arm::set_secondary_compatible_arch
 609         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
 610         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
 611         New method declarations.
 612         (Target_arm::get_aeabi_object_attribute): New method definition.
 613         (Target_arm::attributes_section_data_): New data member declaration.
 614         (read_arm_attributes_section): New template definition.
 615         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
 616         (Arm_dynobj::do_read_symbols): Ditto.
 617         (Target_arm::do_finalize_sections): Merge attributes sections from
 618         input.  Check for BLX use after attributes section merging.
 619         Fix __exidx_start and __exidx_end visibility.  Create an
 620         .ARM.attributes section if necessary.
 621         (Target_arm::get_secondary_compatible_arch,
 622         Target_arm::set_secondary_compatible_arch,
 623         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
 624         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
 625         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
 626         New method definitions.
 627
 628 2009-12-09  Ian Lance Taylor  <iant@google.com>
 629
 630         * plugin.cc (Plugin::load): Don't cast from void* to a function
 631         pointer.
 632
 633 2009-12-09  Ian Lance Taylor  <iant@google.com>
 634
 635         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
 636         information fields.
 637
 638 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
 639
 640         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
 641         Replace two_file_shared_1.so with two_file_shared_2.so.
 642         * testsuite/Makefile.in: Regenerated.
 643
 644 2009-12-08  Doug Kwan  <dougkwan@google.com>
 645
 646         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
 647         (HFILES): Add attributes.h and int_encoding.h.
 648         * Makefile.in: Regenerate.
 649         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
 650         function definitions to int_encoding.cc
 651         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
 652         prototypes to int_encoding.h
 653         * reduced_debug_output.cc (int_encoding.h): New include.
 654         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
 655         function definitions to int_encoding.cc
 656         (insert_into_vector, read_from_pointer): Move template definitions to
 657         int_encoding.h
 658         * attributes.cc: New file.
 659         * attributes.h: New file.
 660         * int_encoding.cc: New file.
 661         * int_encoding.h: New file.
 662
 663 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
 664
 665         PR gold/11055
 666         * incremental-dump.cc (dump_incremental_inputs): New.
 667         (main): Use dump_incremental_inputs.
 668
 669 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
 670
 671         PR gold/10893
 672         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
 673         checking elfcpp::STT_FUNC.
 674         (Target_i386::Relocate::relocate): Likewise.
 675         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 676
 677         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
 678         symbols from shared libraries into normal FUNC symbols.
 679
 680         * symtab.h (Symbol): Add is_func and use it.
 681
 682 2009-12-05  Doug Kwan  <dougkwan@google.com>
 683
 684         * arm.cc (Target_arm::arm_info): Initialize new fields
 685         attributes_section and attributes_vendor.
 686         * i386.cc (Target_i386::i386_info): Same.
 687         * object.cc (Sized_relobj::do_layout): Skip attribute section.
 688         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
 689         fields attributes_section and attributes_vendor.
 690         * sparc.cc (Target_sparc::sparc_info): Same.
 691         * target.h (Target::attributes_section, Target::attributes_vendor,
 692         Target::is_attributes_section, Target::attribute_arg_type,
 693         Target::attributes_order): New method definitions.
 694         (Target::Target_info::attributes_section,
 695         Target::Target_info::attributes_vendor): New fields.
 696         (Target::do_attribute_arg_type, Target::do_attributes_order): New
 697         virtual method definitions.
 698         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
 699         attributes_section and attributes_vendor.
 700         * testsuite/testfile.cc (Target_test::test_target_info): Same.
 701
 702 2009-12-05  Doug Kwan  <dougkwan@google.com>
 703
 704         * arm.cc: Update comments about interworking and stub generation.
 705         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
 706         considered as non-PIC.
 707         (Arm_relocate_functions::base_abs): Fix formatting.
 708         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
 709         of function to use GOT entry address instead of offset.
 710         (Target_arm::Scan::global): Issue an error if a symbol would need a
 711         PLT does not get one because it is untyped.  Remove code to create
 712         dynamic symbols for relative branches.
 713         (Target_arm::Relocate::relocate: Use 0 instead of false since function
 714         takes unsigned integer instead of boolean.
 715
 716 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
 717
 718         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
 719         (two_file_test_LDADD): Likewise.
 720         (common_test_1_LDADD): Likewise.
 721         (exception_test_LDADD) Likewise.
 722         (weak_test_LDADD): Likewise.
 723         (many_sections_test_LDADD): Likewise.
 724         (initpri1_LDADD): Likewise.
 725         (script_test_1_LDADD): Likewise.
 726         (script_test_2_LDADD): Likewise.
 727         (justsyms_LDADD): Likewise.
 728         (binary_test_LDADD): Likewise.
 729         (large_LDADD): Likewise.
 730         * testsuite/Makefile.in: Regenerated.
 731
 732 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
 733
 734         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
 735         (Symbol_table::override_with_special): Likewise.
 736         (Symbol_table::add_from_object): Likewise.
 737
 738 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
 739
 740         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
 741         Don't set the data_offset twice.
 742
 743 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
 744
 745         * testsuite/Makefile.in: Regenerate.
 746
 747 2009-12-03  Doug Kwan  <dougkwan@google.com>
 748
 749         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
 750         (Target_arm::do_finalize_sections): Add parameter for symbol table
 751         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
 752         * i386.cc (Target_i386::do_finalize_sections): Add an additional
 753         parameter for symbol table pointer.
 754         * layout.cc (Layout::finalize): Call Target::finalize_sections with
 755         an additional parameter for a pointer to symbol table.
 756         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
 757         parameter for a symbol table pointer.
 758         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
 759         * target.h (Target::finalize_sections, Target::do_finalize_sections):
 760         Ditto.
 761         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
 762         parameter for a symbol table pointer.
 763
 764 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
 765
 766         * incremental.cc (Incremental_inputs_header)
 767         (Incremental_inputs_header_write, Incremental_inputs_entry)
 768         (Incremental_inputs_entry_write): Move ...
 769         * incremental.h (Incremental_inputs_header)
 770         (Incremental_inputs_header_write, Incremental_inputs_entry)
 771         (Incremental_inputs_entry_write): here.
 772
 773 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 774
 775         * incremental.cc (make_sized_incremental_binary): Set the target.
 776         Error if it is incompatible.
 777         * output.h (Output_file): Add filename method.
 778
 779 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 780
 781         * incremental.cc (Incremental_inputs_entry): Remove unused argument
 782         from the get_* methods.
 783
 784 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 785
 786         * incremental-dump.cc (main): Check that the offeset of a script is 0.
 787         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
 788         Write 0 for the data_offset of scripts.
 789
 790 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
 791
 792         * testsuite/Makefile.am: Add the incremental_test.sh test.
 793         * testsuite/incremental_test.sh: New.
 794         * testsuite/incremental_test_1.c: New.
 795         * testsuite/incremental_test_2.c: New.
 796
 797 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
 798
 799        * incremental-dump.cc (main): Fix typos.
 800
 801 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
 802
 803         PR gold/11025
 804         * incremental-dump.cc (main): Use llu to print 64 bit values.
 805
 806 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
 807             H.J. Lu  <hongjiu.lu@intel.com>
 808
 809         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
 810         $(LIBDL).
 811         (incremental_dump_LDADD): Likewise.
 812         * Makefile.in: Regenerated.
 813
 814 2009-11-25  Doug Kwan  <dougkwan@google.com>
 815
 816         Revert:
 817
 818         2009-11-25  Doug Kwan  <dougkwan@google.com>
 819
 820                 * arm.cc (Target_arm::Target_arm): Move method definition
 821                 outside of class definition.  Add code to handle
 822                 --target1-rel, --target1-abs and --target2= options.
 823                 (Target_arm::get_reloc_reloc_type): Change method to be
 824                 non-static and const.
 825                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
 826                 New data member declaration.
 827                 (Target_arm::Scan::local, Target_arm::Scan::global,
 828                 Target_arm::Relocate::relocate,
 829                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 830                 Adjust call to Target_arm::get_real_reloc_type.
 831                 (Target_arm::get_real_reloc_type): Use command line options
 832                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 833                 * options.h (--target1-rel, --target1-abs, --target2): New
 834                 ARM-only options.
 835
 836 2009-11-25  Doug Kwan  <dougkwan@google.com>
 837
 838         * arm.cc (Target_arm::Target_arm): Move method definition outside of
 839         class definition.  Add code to handle --target1-rel, --target1-abs
 840         and --target2= options.
 841         (Target_arm::get_reloc_reloc_type): Change method to be non-static
 842         and const.
 843         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
 844         member declaration.
 845         (Target_arm::Scan::local, Target_arm::Scan::global,
 846         Target_arm::Relocate::relocate,
 847         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
 848         call to Target_arm::get_real_reloc_type.
 849         (Target_arm::get_real_reloc_type): Use command line options to
 850         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 851         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
 852         options.
 853
 854 2009-11-25  Doug Kwan  <dougkwan@google.com>
 855
 856         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
 857         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
 858         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
 859         formatting.
 860         (Arm_relocate_functions::thm_call): Replace body with a call to
 861         Arm_relocate_functions::thumb_branch_common.
 862         (Arm_relocate_functions::thm_jump24,
 863         Arm_relocate_functions::thm_xpc22): New method definitions.
 864         (Arm_relocate_functions::thumb_branch_common): New method definition.
 865         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
 866         operator.
 867         (Target_arm::Relocate::relocate): Adjust call to thm_call.
 868         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
 869
 870 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 871
 872         * Makefile.am: Build incremental-dump
 873         * Makefile.in: Regenerate.
 874         * incremental-dump.cc: New.
 875         * incremental.cc (Incremental_inputs_header_data,
 876         Incremental_inputs_entry_data): Move to incremental.h
 877         * incremental.h: (Incremental_inputs_header_data,
 878         Incremental_inputs_entry_data): Move from incremental.cc
 879
 880 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 881
 882         * incremental.cc (Incremental_inputs_header,
 883         Incremental_inputs_header_write, Incremental_inputs_entry,
 884         Incremental_inputs_entry_write): Add a typedef with the data type.
 885
 886 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 887
 888         * incremental.cc (Incremental_inputs_header,
 889         Incremental_inputs_header_write, Incremental_inputs_entry,
 890         Incremental_inputs_entry_write): Update comment about which
 891         type has the filed descriptions.
 892
 893 2009-11-15  Doug Kwan  <dougkwan@google.com>
 894
 895         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
 896         (Arm_relocate_functions::arm_branch_common): Change method defintion
 897         in class definition to a method declaration and update list of formal
 898         parameters.
 899         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
 900         Arm_relocation_functions::jump24): Adjust call to
 901         Arm_relocate_functions::arm_branch_common.  Update list of formal
 902         parameters.
 903         (Arm_relocate_functions::xpc25): New method definition.
 904         (Arm_relocate_functions::arm_branch_common): Move method defintion
 905         out from class definition.  Use stubs for mode-switching and extending
 906         branch ranges.
 907         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
 908         specially.  Change code to enable use of stubs in ARM branches.
 909
 910 2009-11-10  Doug Kwan  <dougkwan@google.com>
 911
 912         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
 913         in method declaration.
 914         (Target_arm::relocate_stub): New method declaration.
 915         (Target_arm::default_target): Change to return a pointer instead of
 916         a const reference.
 917         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
 918         Target_arm::default_target.
 919         (Arm_Relobj::do_relocate_sections): Remove options paramater in
 920         method definition.
 921         (Target_arm::relocate_section): Adjust view.
 922         (Target_arm::relocate_stub): New method definition.
 923
 924 2009-11-10  Doug Kwan  <dougkwan@google.com>
 925
 926         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
 927         a format warning.
 928         * incremental.cc (open_incremental_binary): Initialized local
 929         variables to avoid warnings.
 930         * object.cc (make_elf_object): Ditto.
 931         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
 932         a format warning.
 933
 934 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
 935
 936         PR gold/10930
 937         * testsuite/plugin_test.c: Include "config.h".
 938
 939 2009-11-09  Doug Kwan  <dougkwan@google.com>
 940
 941         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
 942         (arm_symbol_value): Remove.
 943         (Arm_relocate_functions::arm_branch_common,
 944         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
 945         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
 946         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
 947         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
 948         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
 949         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
 950         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
 951         Arm_relocate_functions::thm_mobw_abs_nc,
 952         Arm_relocate_functions::thm_mov_abs,
 953         Arm_relocate_functions::movw_prel_nc,
 954         Arm_relocate_functions::thm_movt_abs,
 955         Arm_relocate_functions::movt_prel,
 956         Arm_relocate_functions::thm_movw_prel_nc,
 957         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
 958         (Target_arm::Relocate::relocate): Only decompose address into two
 959         parts if relocation type uses the thumb-bit and pass the actual
 960         bit instead of a flag indicating that the thumb-bit is used.  Adjust
 961         calls to methods in Arm_relocate_functions for this change.
 962
 963 2009-11-08  Ian Lance Taylor  <iant@google.com>
 964
 965         PR 10925
 966         * reloc.cc: Instantiate
 967         Sized_relobj::initialize_input_to_output_maps and
 968         Sized_relobj:free_input_to_output_maps.
 969
 970 2009-11-06  Ian Lance Taylor  <iant@google.com>
 971
 972         PR 10876
 973         * defstd.cc (in_segment): Set only_if_ref true for "end".
 974
 975 2009-11-06  Doug Kwan  <dougkwan@google.com>
 976
 977         * arm.cc (class Reloc_stub): Correct a comment.
 978         (Target_arm::Target_arm): Initialize arm_input_section_map_.
 979         (Target_arm::scan_section_for_stubs): New method declaration.
 980         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
 981         Change methods from private to protected.
 982         (Target_arm::do_may_relax): New method definition.
 983         (Target_arm::do_relax, Target_arm::group_sections,
 984         Target_arm::scan_reloc_for_stub,
 985         Target_arm::scan_reloc_section_for_stubs): New method declarations.
 986         (Target_arm::arm_input_section_map_): New data member declaration.
 987         (Target_arm::scan_reloc_for_stub,
 988         Target_arm::scan_reloc_section_for_stubs,
 989         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
 990         Target_arm::do_relax): New method definitions.
 991
 992 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
 993
 994         * configure.ac: Check for (struct stat)::st_mtim
 995         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
 996         * config.in: Regenerate.
 997         * configure: Regenerate.
 998
 999 2009-11-05  Ian Lance Taylor  <iant@google.com>
1000
1001         PR 10910
1002         * output.cc (Output_segment::add_output_section): Add missing
1003         return statement.
1004
1005 2009-11-04  Ian Lance Taylor  <iant@google.com>
1006
1007         PR 10880
1008         * object.h (class Object): Add is_needed and set_is_needed
1009         methods.  Add is_needed_ field.  Make bool fields into bitfields.
1010         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
1011         defined in a dynamic object and referenced by a regular object,
1012         set is_needed for the dynamic object.
1013         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
1014         if the file is marked with as_needed and it is not needed.
1015
1016 2009-11-04  Ian Lance Taylor  <iant@google.com>
1017
1018         PR 10887
1019         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
1020         tags if data is discarded by linker script.
1021         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1022         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1023         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1024         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1025
1026 2009-11-04  Ian Lance Taylor  <iant@google.com>
1027
1028         * layout.cc (Layout::get_output_section): Add is_interp and
1029         is_dynamic_linker_section parameters.  Change all callers.
1030         (Layout::choose_output_section): Likewise.
1031         (Layout::make_output_section): Likewise.
1032         (Layout::add_output_section_data): Add is_dynamic_linker_section
1033         parameter.  Change all callers.
1034         * layout.h (class Layout): Update declarations.
1035         * output.h (class Output_section): Add is_interp, set_is_interp,
1036         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
1037         Add is_interp_, is_dynamic_linker_section_ fields.  Change
1038         generate_code_fills_at_write_ to a bitfield.
1039         * output.cc (Output_section::Output_sections): Initialize new
1040         fields.
1041         (Output_segment::add_output_section): Add do_sort parameter.
1042         Change all callers.
1043
1044 2009-11-03  Ian Lance Taylor  <iant@google.com>
1045
1046         PR 10860
1047         * options.h (class General_options): Add --warn-common.
1048         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
1049         merging two common symbols.
1050         (Symbol_table::should_override): Handle --warn-common when merging
1051         a common symbol with a defined symbol.  Use report_resolve_problem
1052         for multiple definitions.
1053         (Symbol_table::report_resolve_problem): New function.
1054         * symtab.h (class Symbol_table): Declare report_resolve_problem.
1055
1056 2009-11-03  Doug Kwan  <dougkwan@google.com>
1057
1058         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
1059         stub_factory_.
1060         (Target_arm::stub_factory): New method definition.
1061         (Target_arm::new_arm_input_section,
1062         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
1063         Target_arm::reloc_uses_thumb_bit): New method declarations.
1064         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
1065         New type definitions.
1066         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
1067         member declarations.
1068         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
1069         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
1070         New method definitions.
1071
1072 2009-11-03  Ian Lance Taylor  <iant@google.com>
1073
1074         * options.h (class General_options): Add --warn_constructors.
1075
1076 2009-11-03  Ian Lance Taylor  <iant@google.com>
1077
1078         PR 10893
1079         * defstd.cc (in_section): Add entries for __rel_iplt_start,
1080         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
1081
1082 2009-11-03  Ian Lance Taylor  <iant@google.com>
1083
1084         PR 10895
1085         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
1086         --msgid-bugs-address.
1087         (install-pdf): New target.
1088         (install-data_yes): Look up one directory to find mkinstalldirs.
1089
1090 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
1091
1092         * po/Make-in (.po.gmo): Don't generate .gmo files in source
1093         tree.
1094
1095 2009-10-30  Doug Kwan  <dougkwan@google.com>
1096
1097         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
1098
1099 2009-10-30  Doug Kwan  <dougkwan@google.com>
1100
1101         * arm.cc (Stub_addend_reader): New struct template definition
1102         and partial specializations.
1103         (Stub_addend_reader::operator()): New method definition for a
1104         partially specialized template.
1105
1106 2009-10-30  Doug Kwan  <dougkwan@google.com>
1107
1108         * arm.cc (Arm_relobj::processor_specific_flags): New method
1109         definition.
1110         (Arm_relobj::do_read_symbols): New method declaration.
1111         (Arm_relobj::processor_specific_flags_): New data member declaration.
1112         (Arm_dynobj): New class definition.
1113         (Target_arm::do_finalize_sections): Add input_objects parameter.
1114         (Target_arm::do_adjust_elf_header): New method declaration.
1115         (Target_arm::are_eabi_versions_compatible,
1116         (Target_arm::merge_processor_specific_flags): New method declaration.
1117         (Target_arm::do_make_elf_object): New overloaded method definitions
1118         and declaration.
1119         (Arm_relobj::do_read_symbols): New method definition.
1120         (Arm_dynobj::do_read_symbols): Ditto.
1121         (Target_arm::do_finalize_sections): Add input_objects parameters.
1122         Merge processor-specific flags from all input objects.
1123         (Target_arm::are_eabi_versions_compatible,
1124         Target_arm::merge_processor_specific_flags,
1125         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
1126         New method definitions.
1127         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
1128         Input_objects pointer type parameter.
1129         * layout.cc (Layout::finalize): Pass input objects to target's.
1130         finalize_sections function.
1131         * output.cc (Output_file_header::do_sized_write): Set ELF file
1132         header's processor-specific flags.
1133         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
1134         Input_objects pointer type parameter.
1135         * sparc.cc (Target_sparc::do_finalize_sections): Same.
1136         * target.h (Input_objects): New forward class declaration.
1137         (Target::processor_specific_flags,
1138         Target::are_processor_specific_flags_sect): New method definitions.
1139         (Target::finalize_sections): Add input_objects parameter.
1140         (Target::Target): Initialize processor_specific_flags_ and
1141         are_processor_specific_flags_set_.
1142         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1143         parameter.
1144         (Target::set_processor_specific_flags): New method definition.
1145         (Target::processor_specific_flags_,
1146         Target::are_processor_specific_flags_set_): New data member
1147         declarations.
1148         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
1149         Input_objects pointer type parameter.
1150
1151 2009-10-30  Doug Kwan  <dougkwan@google.com>
1152
1153         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
1154
1155 2009-10-28  Ian Lance Taylor  <iant@google.com>
1156
1157         * object.h (class Relobj): Drop options parameter from
1158         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
1159         do_scan_relocs, do_relocate.  Change all callers.
1160         (class Sized_relobj): Drop options parameters from
1161         do_gc_process_relocs, do_scan_relocs, do_relocate,
1162         do_relocate_sections, relocate_sections, emit_relocs_scan,
1163         emit_relocs_scan_reltype.  Change all callers.
1164         (struct Relocate_info): Remove options field and all references to
1165         it.
1166         * reloc.h (class Read_relocs): Remove options constructor
1167         parameter and options_ field.  Change all callers.
1168         (class Gc_process_relocs, class Scan_relocs): Likewise.
1169         (class Relocate_task): Likewise.
1170         * target-reloc.h (scan_relocs): Remove options parameter.  Change
1171         all callers.
1172         (scan_relocatable_relocs): Likewise.
1173         * target.h (class Sized_target): Remove options parameter from
1174         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
1175         all callers.
1176         * gc.h (gc_process_relocs): Remove options parameter.  Change all
1177         callers.
1178         * arm.cc: Update functions to remove options parameters.
1179         * i386.cc: Likewise.
1180         * powerpc.cc: Likewise.
1181         * sparc.cc: Likewise.
1182         * x86_64.cc: Likewise.
1183         * testsuite/testfile.cc: Likewise.
1184
1185 2009-10-28  Doug Kwan  <dougkwan@google.com>
1186
1187         * arm.cc (Arm_relobj): New class definition.
1188         (Arm_relobj::scan_sections_for_stubs,
1189         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1190         New method definitions.
1191
1192 2009-10-28  Cary Coutant  <ccoutant@google.com>
1193
1194         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1195         (Plugin::cleanup_done_): New member.
1196         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1197         (Plugin_manager::cleanup_done_): Remove.
1198         (Plugin_manager::add_input_file): Edit error message.
1199         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1200         (Plugin_manager::cleanup): Remove use of cleanup_done_.
1201
1202 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
1203
1204         * fileread.cc: (File_read::View::~View): Use the new
1205         data_ownership_ filed.
1206         (File_read::~File_read): Dispose the new whole_file_view_.
1207         (File_read::open): Mmap the whole file if needed.
1208         (File_read::open): Use whole_file_view_ instead of contents_.
1209         (File_read::find_view): Use whole_file_view_ if applicable.
1210         (File_read::do_read): Use whole_file_view_ instead of contents_.
1211         (File_read::make_view): Use whole_file_view_ instead of contents_,
1212         update File_read::View::View call.
1213         (File_read::find_or_make_view): Update File_read::View::View
1214         call.
1215         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1216         remove contents_
1217         (File_read::View::Data_ownership): New enum.
1218         (File_read::View::View): Replace bool mapped_ with Data_ownership
1219         argument.
1220         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1221         (File_read::View::data_ownership_): New field.
1222         (File_read::contents_): Remove (replaced by whole_file_view_).
1223         (File_read::whole_file_view_): New field.
1224         * options.h (class General_options): Add --keep-files-mapped.
1225
1226 2009-10-27  Cary Coutant  <ccoutant@google.com>
1227
1228         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1229         * testsuite/Makefile.am (plugin_test_5): New test case.
1230         * testsuite/Makefile.in: Regenerate.
1231
1232 2009-10-25  Doug Kwan  <dougkwan@google.com>
1233
1234         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
1235         from private to protected to allow access by child class.
1236         (Sized_relobj::do_relocate_sections): New method declaration.
1237         (Sized_relobj::relocate_sections): Virtualize.
1238         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
1239         Sized_relobj::relocate_sections.  Instantiate template explicitly
1240         for different target sizes and endianity.
1241
1242 2009-10-24  Doug Kwan  <dougkwan@google.com>
1243
1244         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
1245         (Arm_input_section::as_arm_input_section): New method.
1246         (Arm_output_section): New class definition.
1247         (Arm_output_section::create_stub_group,
1248         Arm_output_section::group_sections): New method definitions.
1249
1250 2009-10-22  Doug Kwan  <dougkwan@google.com>
1251
1252         * arm.cc (Arm_input_section): New class definition.
1253         (Arm_input_section::init, Arm_input_section:do_write,
1254         Arm_input_section::set_final_data_size,
1255         Arm_input_section::do_reset_address_and_file_offset): New method
1256         definitions.
1257
1258 2009-10-21  Doug Kwan  <dougkwan@google.com>
1259
1260         * arm.cc (Stub_table, Arm_input_section): New forward class
1261         declarations.
1262         (Stub_table): New class defintion.
1263         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
1264         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
1265         New method definition.
1266
1267 2009-10-21  Doug Kwan  <dougkwan@google.com>
1268
1269         * arm.cc: Update copyright comments.
1270         (Target_arm): New forward class template declaration.
1271         (Arm_address): New type.
1272         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
1273         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
1274         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
1275         constants.
1276         (Insn_template): Same.
1277         (DEF_STUBS): New macro.
1278         (Stub_type): New enum type.
1279         (Stub_template): New class definition.
1280         (Stub): Same.
1281         (Reloc_stub): Same.
1282         (Stub_factory): Same.
1283         (Target_arm::Target_arm): Initialize may_use_blx_ and
1284         should_force_pic_veneer_.
1285         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
1286         Target_arm::should_force_pic_veneer,
1287         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
1288         Target_arm::using_thumb_only, Target_arm:;default_target): New
1289         method defintions.
1290         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
1291         New data member declarations.
1292         (Insn_template::size, Insn_template::alignment): New method defintions.
1293         (Stub_template::Stub_template): New method definition.
1294         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
1295         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
1296         (Stub_factory::Stub_factory): New method definition.
1297         * gold.h (string_hash): New template.
1298         * output.h (Input_section_specifier::hash_value): Use
1299         gold::string_hash.
1300         (Input_section_specifier::string_hash): Remove.
1301         * stringpool.cc (Stringpool_template::string_hash): Use
1302         gold::string_hash.
1303
1304 2009-10-20  Doug Kwan  <dougkwan@google.com>
1305
1306         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
1307         symbols of relaxed input sections.
1308         * output.h (Output_section::find_relaxed_input_section): Make
1309         method public.
1310
1311 2009-10-16  Doug Kwan  <dougkwan@google.com>
1312
1313         * dynobj.cc (Versions::Versions): Initialize version_script_.
1314         Only insert base version symbol definition for a shared object
1315         if version script defines any version versions.
1316         (Versions::define_base_version): New method definition.
1317         (Versions::add_def): Check that base version is not needed.
1318         (Versions::add_need): Define base version lazily.
1319         * dynobj.h (Versions::define_base_version): New method declaration.
1320         (Versions::needs_base_version_): New data member declaration.
1321         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
1322         (check_DATA): Add no_version_test.stdout.
1323         (libno_version_test.so, no_version_test.o no_version_test.stdout):
1324         New make rules.
1325         * testsuite/Makefile.in: Regenerate.
1326         * testsuite/no_version_test.c: New file.
1327         * testsuite/no_version_test.sh: Ditto.
1328
1329 2009-10-16  Doug Kwan  <dougkwan@google.com>
1330
1331         * expression.cc (class Segment_start_expression): New class definition.
1332         (Segment_start_expression::value): New method definition.
1333         (script_exp_function_segment_start): Return a new
1334         Segment_start_expression.
1335         * gold/script-c.h (script_saw_segment_start_expression): New function
1336         prototype.
1337         * script-sections.cc (Script_sections::Script_sections): Initialize
1338         SAW_SEGMENT_START_EXPRESSION_ to false.
1339         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
1340         and -Tbbs options to specify section addresses if given in
1341         command line and no SEGMENT_START expression is seen in a script.
1342         * script-sections.h (Script_sections::saw_segment_start_expression,
1343         Script_sections::set_saw_segment_start_expression): New method
1344         definition.
1345         (Script_sections::saw_segment_start_expression_): New data member
1346         declaration.
1347         * script.cc (script_saw_segment_start_expression): New function.
1348         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
1349         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
1350         script_test_7.sh and script_test_8.sh.
1351         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
1352         script_test_8.stdout.
1353         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
1354         (script_test_6, script_test_6.stdout, script_test_7,
1355         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
1356         * Makefile.in: Regenerate.
1357         * testsuite/script_test_6.sh: New file.
1358         * testsuite/script_test_6.t: Same.
1359         * testsuite/script_test_7.sh: Same.
1360         * testsuite/script_test_7.t: Same.
1361         * testsuite/script_test_8.sh: Same.
1362
1363 2009-10-16  Doug Kwan  <dougkwan@google.com>
1364
1365         * output.cc (Output_segment::set_section_list_address): Cast
1366         expressions to unsigned long long type to avoid format warnings.
1367
1368 2009-10-15  Ian Lance Taylor  <iant@google.com>
1369
1370         * script.cc (Script_options::add_symbol_assignment): Always add a
1371         dot assignment to script_sections_.
1372         * script-sections.cc (Script_sections::add_dot_assignment):
1373         Initialize if necessary.
1374
1375         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
1376         program headers with no load segment if there is a linker script.
1377
1378         * layout.cc (Layout::set_segment_offsets): Align the file offset
1379         to the segment aligment for -N or -n with no load segment.
1380         * output.cc (Output_segment::add_output_section): Don't crash if
1381         the first section is a TLS section.
1382         (Output_segment::set_section_list_addresses): Print an error
1383         message if the address moves backward in a linker script.
1384         * script-sections.cc
1385         (Output_section_element_input::set_section_addresses): Don't
1386         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
1387         (Orphan_output_section::set_section_addresses): Likewise.
1388
1389 2009-10-15  Doug Kwan  <dougkwan@google.com>
1390
1391         * layout.cc (Layout::finish_dynamic_section): Generate tags
1392         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
1393         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
1394         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
1395
1396 2009-10-14  Ian Lance Taylor  <iant@google.com>
1397
1398         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
1399         fields.
1400         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
1401         data_shdr fields of relinfo.
1402         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
1403         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
1404         R_386_TLS_LDO_32, adjust based on section flags.
1405         (Target_i386::Relocate::fix_up_ldo): Remove.
1406
1407 2009-10-13  Ian Lance Taylor  <iant@google.com>
1408
1409         Add support for -pie.
1410         * options.h (class General_options): Add -pie and
1411         --pic-executable.
1412         (General_options::output_is_position_independent): Test -pie.
1413         (General_options::output_is_executable): Return true if not shared
1414         and not relocatable.
1415         (General_options::output_is_pie): Remove.
1416         * options.cc (General_options::finalize): Reject incompatible uses
1417         of -pie.
1418         * gold.cc (queue_middle_tasks): A -pie link is not static.
1419         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
1420         * symtab.cc (Symbol::final_value_is_known): Return false if
1421         output_is_position_independent.
1422         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
1423         output_is_position_independent.
1424         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
1425         output_is_position_independent.
1426         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
1427         output_is_position_independent.
1428         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
1429         two_file_pie_test.
1430         (basic_pie_test.o, basic_pie_test): New targets.
1431         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
1432         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
1433         (two_file_pie_test): New target.
1434         * testsuite/Makefile.in: Rebuild.
1435         * README: Remove note saying that -pie is not supported.
1436
1437 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1438
1439         * options.h (class General_options): Add -init and -fini.
1440         * layout.cc (Layout::finish_dynamic_section): Emit
1441         given init and fini functions.
1442
1443 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
1444
1445         * gc.h (gc_process_relocs): Check if icf is enabled using new
1446         function.
1447         * gold.cc (queue_initial_tasks): Likewise.
1448         (queue_middle_tasks): Likewise.
1449         * object.cc (do_layout): Likewise.
1450         * symtab.cc (is_section_folded): Likewise.
1451         * main.cc (main): Likewise.
1452         * reloc.cc (Read_relocs::run): Likewise.
1453         (Sized_relobj::do_scan_relocs): Likewise.
1454         * icf.cc (is_function_ctor_or_dtor): New function.
1455         (Icf::find_identical_sections): Check if function is ctor or dtor when
1456         safe icf is chosen.
1457         * options.h (General_options::icf): Change option to be an enum.
1458         (Icf_status): New enum.
1459         (icf_enabled): New method.
1460         (icf_safe_folding): New method.
1461         (set_icf_status): New method.
1462         (icf_status_): New variable.
1463         * (options.cc) (General_options::finalize): Set icf_status_.
1464         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
1465         icf_test and icf_keep_unique_test to use the --icf enum flag.
1466         * testsuite/icf_safe_test.sh: New file.
1467         * testsuite/icf_safe_test.cc: New file.
1468
1469 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
1470
1471         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
1472         includes to gc.h and icf.h.
1473         * arm.cc: Include gc.h.
1474         * gold.cc: Likewise.
1475         * i386.cc: Likewise.
1476         * powerpc.cc: Likewise.
1477         * sparc.cc: Likewise.
1478         * x86_64.cc: Likewise.
1479         * gc.h: Include icf.h.
1480
1481 2009-10-11  Ian Lance Taylor  <iant@google.com>
1482
1483         * plugin.cc: Include "gold.h" before other header files.
1484
1485 2009-10-10  Chris Demetriou  <cgd@google.com>
1486
1487         * options.h (Input_file_argument::Input_file_type): New enum.
1488         (Input_file_argument::is_lib_): Replace with...
1489         (Input_file_argument::type_): New member.
1490         (Input_file_argument::Input_file_argument): Take Input_file_type
1491         'type' rather than boolean 'is_lib' as second argument.
1492         (Input_file_argument::is_lib): Use type_.
1493         (Input_file_argument::is_searched_file): New function.
1494         (Input_file_argument::may_need_search): Handle is_searched_file.
1495         * options.cc (General_options::parse_library): Support -l:filename.
1496         (General_options::parse_just_symbols): Update for Input_file_argument
1497         changes.
1498         (Command_line::process): Likewise.
1499         * archive.cc (Archive::get_file_and_offset): Likewise.
1500         * plugin.cc (Plugin_manager::release_input_file): Likewise.
1501         * script.cc (read_script_file, script_add_file): Likewise.
1502         * fileread.cc (Input_file::Input_file): Likewise.
1503         (Input_file::will_search_for): Handle is_searched_file.
1504         (Input_file::open): Likewise.
1505         * readsyms.cc (Read_symbols::get_name): Likewise.
1506         * testsuite/Makefile.am (searched_file_test): New test.
1507         * testsuite/Makefile.in: Regenerate.
1508         * testsuite/searched_file_test.cc: New file.
1509         * testsuite/searched_file_test_lib.cc: New file.
1510
1511 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1512             Ian Lance Taylor  <iant@google.com>
1513
1514         * descriptor.cc: Include <cstdio> and "binary-io.h".
1515         (Descriptors::open): Open the files in binary mode always.
1516         * script.cc (Lex::get_token): Treat \r as whitespace.
1517
1518 2009-10-09  Ian Lance Taylor  <iant@google.com>
1519
1520         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1521
1522 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1523             Ian Lance Taylor  <iant@google.com>
1524
1525         * configure.ac: Check for readv function also.
1526         * fileread.cc (readv): Define if not HAVE_READV.
1527         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1528         does not exist.
1529         * config.in: Regenerate.
1530         * configure: Regenerate.
1531
1532 2009-10-09  Doug Kwan  <dougkwan@google.com>
1533
1534         * layout.cc (Layout::make_output_section): Call target hook to make
1535         ordinary output section.
1536         (Layout::finalize): Adjust parameter list of call the
1537         Target::may_relax().
1538         * layout.h (class Layout::section_list): New method.
1539         * merge.h (Output_merge_base::entsize): Change visibility to public.
1540         (Output_merge_base::is_string, Output_merge_base::do_is_string):
1541         New methods.
1542         (Output_merge_string::do_is_string): New method.
1543         * object.cc (Sized_relobj::do_setup): renamed from
1544         Sized_relobj::set_up.
1545         * object.h (Sized_relobj::adjust_shndx,
1546         Sized_relobj::initializ_input_to_output_maps,
1547         Sized_relobj::free_input_to_output_maps): Change visibilities to
1548         protected.
1549         (Sized_relobj::setup): Virtualize.
1550         (Sized_relobj::do_setup): New method declaration.
1551         (Sized_relobj::invalidate_section_offset,
1552         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1553         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1554         * options.cc (parse_int): New function.
1555         * options.h (parse_int): New declaration.
1556         (DEFINE_int): New macro.
1557         (stub_group_size): New option.
1558         * output.cc (Output_section::Output_section): Initialize memebers
1559         merge_section_map_, merge_section_by_properties_map_,
1560         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1561         (Output_section::add_input_section): Handled deferred code-fill
1562         generation and remove an old comment.
1563         (Output_section::add_relaxed_input_section): New method definition.
1564         (Output_section::add_merge_input_section): Use merge section by
1565         properties map to speed to search.  Update merge section maps
1566         as appropriate.
1567         (Output_section::build_relaxation_map): New method definition.
1568         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1569         Same.
1570         (Output_section::relax_input_section): Renamed to
1571         Output_section::convert_input_sections_to_relaxed_sections and change
1572         interface to take a vector of pointers to relaxed sections.
1573         (Output_section::find_merge_section,
1574         Output_section::find_relaxed_input_section): New method definitions.
1575         (Output_section::is_input_address_mapped,
1576         Output_section::output_offset, Output_section::output_address):
1577         Use output section data maps to speed up searching.
1578         (Output_section::find_starting_output_address): Add comments.
1579         (Output_section::do_write,
1580         Output_section::write_to_postprocessing_buffer): Do code-fill
1581         generation as appropriate.
1582         (Output_section::get_input_sections): Invalidate relaxed input section
1583         map.
1584         (Output_section::restore_states): Adjust type of checkpoint .
1585         Invalidate relaxed input section map.
1586         * output.h (Output_merge_base): New class declaration.
1587         (Input_section_specifier): New class defintion.
1588         (class Output_relaxed_input_section) Change base class to
1589         Output_section_data_build.
1590         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1591         base class initializer.
1592         (Output_section::add_relaxed_input_section): New method declaration.
1593         (Output_section::Input_section): Change visibility to protected.
1594         (Output_section::Input_section::relobj,
1595         Output_section::Input_section::shndx): Handle relaxed input sections.
1596         Output_section::input_sections) Change visibility to protected.  Also
1597         define overload to return a non-const pointer.
1598         (Output_section::Merge_section_properties): New class defintion.
1599         (Output_section::Merge_section_by_properties_map,
1600         Output_section::Output_section_data_by_input_section_map,
1601         Output_section::Relaxation_map): New types.
1602         (Output_section::relax_input_section): Rename method to
1603         Output_section::convert_input_sections_to_relaxed_sections and change
1604         interface to take a vector of relaxed section pointers.
1605         (Output_section::find_merge_section,
1606         Output_section::find_relaxed_input_section,
1607         Output_section::build_relaxation_map,
1608         Output_section::convert_input_sections_in_list_to_relaxed_sections):
1609         New method declarations.
1610         (Output_section::merge_section_map_
1611         Output_section::merge_section_by_properties_map_,
1612         Output_section::relaxed_input_section_map_,
1613         Output_section::is_relaxed_input_section_map_valid_,
1614         Output_section::generate_code_fills_at_write_): New data members.
1615         * script-sections.cc
1616         (Output_section_element_input::set_section_addresses): Call
1617         current_data_size and addralign methods of relaxed input sections.
1618         (Orphan_output_section::set_section_addresses): Call current_data_size
1619         and addralign methods of relaxed input sections.
1620         * symtab.cc (Symbol_table::compute_final_value): Extract template
1621         from the body of Symbol_table::sized_finalize_symbol.
1622         (Symbol_table::sized_finalized_symbol): Call
1623         Symbol_table::compute_final_value.
1624         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1625         (Symbol_table::compute_final_value): New templated method declaration.
1626         * target.cc (Target::do_make_output_section): New method defintion.
1627         * target.h (Target::make_output_section): New method declaration.
1628         (Target::relax): Add more parameters for input objects, symbol table
1629         and layout.  Adjust call to do_relax.
1630         (Target::do_make_output_section): New method declaration.
1631         (Target::do_relax): Add parameters for input objects, symbol table
1632         and layout.
1633
1634 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1635
1636         * pread.c: Include stdio.h.
1637
1638 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1639
1640         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1641         defined.
1642
1643 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1644
1645         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1646         Change read_shndx type to unsigned int.
1647         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1648         int.
1649         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1650         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1651         Change read_shndx type to unsigned int.
1652         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1653         int.
1654         (Sized_dwarf_line_info::read_line_mappings): Likewise.
1655         * layout.cc (Layout::create_symtab_sections): Cast the result of
1656         local_symcount * symsize to off_t in the gold_assert.
1657
1658 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1659
1660         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1661         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1662         R_ARM_BASE_ABS.
1663         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1664         (Arm_relocate_functions::thm_abs5): New function.
1665         (Arm_relocate_functions::abs12): New function.
1666         (Arm_relocate_functions::abs16): New function.
1667         (Arm_relocate_functions::base_abs): New function.
1668         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1669         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
1670         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1671         R_ARM_BASE_ABS.
1672         (Scan::global): Likewise.
1673         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1674         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1675         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1676         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1677         R_ARM_BASE_ABS.
1678
1679 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1680
1681         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1682         (Arm_relocate_functions::movt_prel): New function.
1683         (Arm_relocate_functions::thm_movw_prel_nc): New function.
1684         (Arm_relocate_functions::thm_movt_prel): New function.
1685         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1686         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1687         (Scan::global, Relocate::relocate): Likewise.
1688         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1689
1690 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1691
1692         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1693         Incremental_checker.
1694         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1695         unsigned int.
1696         (class Incremental_inputs_header): New class.
1697         (Incremental_inputs_header_writer): Edit comment.
1698         (Incremental_inputs_entry): New class.
1699         (Incremental_inputs_entry_writer): Edit comment.
1700         (Sized_incremental_binary::do_find_incremental_inputs_section):
1701         Add *strtab_shndx parameter, fill it.
1702         (Sized_incremental_binary::do_check_inputs): New method.
1703         (Incremental_checker::can_incrementally_link_output_file): Use
1704         Sized_incremental_binary::check_inputs.
1705         (Incremental_inputs::report_command_line): Save command line in
1706         command_line_.
1707         * incremental.h:
1708         (Incremental_binary::find_incremental_inputs_section): New
1709         method.
1710         (Incremental_binary::do_find_incremental_inputs_section): Add
1711         strtab_shndx parameter.
1712         (Incremental_binary::do_check_inputs): New pure virtual method.
1713         (Sized_incremental_binary::do_check_inputs): Declare.
1714         (Incremental_checker::Incremental_checker): Add incremental_inputs
1715         parameter, use it to initialize incremental_inputs_.
1716         (Incremental_checker::incremental_inputs_): New field.
1717         (Incremental_checker::command_line): New method.
1718         (Incremental_checker::inputs): New method.
1719         (Incremental_checker::command_line_): New field.
1720
1721 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
1722
1723         * incremental.cc: Include <cstdarg> and "target-select.h".
1724         (vexplain_no_incremental): New function.
1725         (explain_no_incremental): New function.
1726         (Incremental_binary::error): New method.
1727         (Sized_incremental_binary::do_find_incremental_inputs_section): New
1728         method.
1729         (make_sized_incremental_binary): New function.
1730         (open_incremental_binary): New function.
1731         (can_incrementally_link_file): Add checks if output is ELF and has
1732         inputs section.
1733         * incremental.h: Include "elfcpp_file.h" and "output.h".
1734         (Incremental_binary): New class.
1735         (Sized_incremental_binary): New class.
1736         (open_incremental_binary): Declare.
1737         * object.cc (is_elf_object): Use
1738         elfcpp::Elf_recognizer::is_elf_file.
1739         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1740         * output.h (Output_file::filesize): New method.
1741
1742 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1743
1744         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1745         New function.
1746         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1747         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1748         function.
1749         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1750         function.
1751         (Arm_relocate_functions::movw_abs_nc): New function.
1752         (Arm_relocate_functions::movt_abs): New function.
1753         (Arm_relocate_functions::thm_movw_abs_nc): New function.
1754         (Arm_relocate_functions::thm_movt_abs): New function.
1755         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1756         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1757         (Scan::global): Likewise.
1758         (Relocate::relocate): Likewise.
1759         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1760
1761 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1762
1763         * arm.cc (Arm_relocate_functions::got_prel) New function.
1764         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1765         (Relocate::relocate): Likewise.
1766         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1767
1768 2009-10-06  Ian Lance Taylor  <iant@google.com>
1769
1770         * options.h (class General_options): Define
1771         split_stack_adjust_size parameter.
1772         * object.h (class Object): Add uses_split_stack_ and
1773         has_no_split_stack_ fields.  Add uses_split_stack and
1774         has_no_split_stack accessor functions.  Declare
1775         handle_split_stack_section.
1776         (class Reloc_symbol_changes): Define.
1777         (class Sized_relobj): Define Function_offsets.  Declare
1778         split_stack_adjust, split_stack_adjust_reltype, and
1779         find_functions.
1780         * object.cc (Object::handle_split_stack_section): New function.
1781         (Sized_relobj::do_layout): Call handle_split_stack_section.
1782         * dynobj.cc (Sized_dynobj::do_layout): Call
1783         handle_split_stack_section.
1784         * reloc.cc (Sized_relobj::relocate_sections): Call
1785         split_stack_adjust for executable sections in split_stack
1786         objects.  Pass reloc_map to relocate_section.
1787         (Sized_relobj::split_stack_adjust): New function.
1788         (Sized_relobj::split_stack_adjust_reltype): New function.
1789         (Sized_relobj::find_functions): New function.
1790         * target-reloc.h: Include "object.h".
1791         (relocate_section): Add reloc_symbol_changes parameter.  Change
1792         all callers.
1793         * target.h (class Target): Add calls_non_split method.  Declare
1794         do_calls_non_split virtual method.  Declare match_view and
1795         set_view_to_nop.
1796         * target.cc: Include "elfcpp.h".
1797         (Target::do_calls_non_split): New function.
1798         (Target::match_view): New function.
1799         (Target::set_view_to_nop): New function.
1800         * gold.cc (queue_middle_tasks): Give an error if mixing
1801         split-stack and non-split-stack objects with -r.
1802         * i386.cc (Target_i386::relocate_section): Add
1803         reloc_symbol_changes parameter.
1804         (Target_i386::do_calls_non_split): New function.
1805         * x86_64.cc (Target_x86_64::relocate_section): Add
1806         reloc_symbol_changes parameter.
1807         (Target_x86_64::do_calls_non_split): New function.
1808         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1809         parameter.
1810         * powerpc.cc (Target_powerpc::relocate_section): Add
1811         reloc_symbol_changes parameter.
1812         * sparc.cc (Target_sparc::relocate_section): Add
1813         reloc_symbol_changes parameter.
1814         * configure.ac: Call AM_CONDITIONAL for the default target.
1815         * configure: Rebuild.
1816         * testsuite/Makefile.am (TEST_AS): New variable.
1817         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1818         (check_DATA): Add split_i386 and split_x86_64 files.
1819         (SPLIT_DEFSYMS): Define.
1820         (split_i386_[1234n].o): New targets.
1821         (split_i386_[124]): New targets.
1822         (split_i386_[1234r].stdout): New targets.
1823         (split_x86_64_[1234n].o): New targets.
1824         (split_x86_64_[124]): New targets.
1825         (split_x86_64_[1234r].stdout): New targets.
1826         (MOSTLYCLEANFILES): Add new executables.
1827         * testsuite/split_i386.sh: New file.
1828         * testsuite/split_x86_64.sh: New file.
1829         * testsuite/split_i386_1.s: New file.
1830         * testsuite/split_i386_2.s: New file.
1831         * testsuite/split_i386_3.s: New file.
1832         * testsuite/split_i386_4.s: New file.
1833         * testsuite/split_i386_n.s: New file.
1834         * testsuite/split_x86_64_1.s: New file.
1835         * testsuite/split_x86_64_2.s: New file.
1836         * testsuite/split_x86_64_3.s: New file.
1837         * testsuite/split_x86_64_4.s: New file.
1838         * testsuite/split_x86_64_n.s: New file.
1839         * testsuite/testfile.cc (Target_test): Update relocation_section
1840         function.
1841         * testsuite/Makefile.in: Rebuild.
1842
1843 2009-10-06  Ian Lance Taylor  <iant@google.com>
1844
1845         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1846         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1847         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
1848         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1849         the address on ldo_addrs_.
1850         (Target_i386::Relocate::fix_up_ldo): New function.
1851
1852 2009-10-06   Rafael Espindola  <espindola@google.com>
1853
1854         * plugin.cc (add_input_library): New.
1855         (Plugin::load): Add add_input_library to tv.
1856         (Plugin_manager::add_input_file): Add the is_lib argument.
1857         (add_input_file): Update call to Plugin_manager::add_input_file.
1858         (add_input_library): New.
1859         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1860
1861 2009-09-30  Doug Kwan  <dougkwan@google.com>
1862
1863         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1864         symbol and call Symbol::may_need_copy_reloc to determine if
1865         a copy reloc is needed.
1866         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1867         nocopyreloc is given in command line.
1868         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1869         given in command line.
1870         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1871         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1872         of the removed Target_i386::may_need_copy_reloc.
1873         * options.h (copyreloc): New option with default value false.
1874         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1875         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1876         instead of the removed Target_powerpc::may_need_copy_reloc.
1877         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1878         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1879         instead of the removed Target_sparc::may_need_copy_reloc.
1880         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1881         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1882         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1883         instead of the removed Target_x86_64::may_need_copy_reloc.
1884
1885 2009-09-30  Ian Lance Taylor  <iant@google.com>
1886
1887         * object.h (class Object): Remove target_ field, and target,
1888         sized_target, and set_target methods.
1889         (Object::sized_target): Remove.
1890         (class Sized_relobj): Update declarations.  Remove sized_target.
1891         * object.cc (Sized_relobj::setup): Remove target parameter.
1892         Change all callers.
1893         (Input_objects::add_object): Don't do anything with the target.
1894         (make_elf_sized_object): Add punconfigured parameter.  Change all
1895         callers.  Set or test parameter target.
1896         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1897         Change all callers.
1898         * parameters.cc (Parameters::set_target): Change parameter type to
1899         be non-const.
1900         (Parameters::default_target): Remove.
1901         (set_parameters_target): Change parameter type to be non-const.
1902         (parameters_force_valid_target): New function.
1903         (parameters_clear_target): New function.
1904         * parameters.h (class Parameters): Update declarations.  Remove
1905         default_target method.  Add sized_target and clear_target
1906         methods.  Change target_ to be non-const.
1907         (set_parameters_target): Update declaration.
1908         (parameters_force_valid_target): Declare.
1909         (parameters_clear_target): Declare.
1910         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1911         as NULL if we aren't searching.
1912         (Add_symbols::run): Don't check for compatible target.
1913         * fileread.cc (Input_file::open_binary): Call
1914         parameters_force_valid_target.
1915         * gold.cc (queue_middle_tasks): Likewise.
1916         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
1917         set_target on object.
1918         * dynobj.h (class Sized_dynobj): Update declarations.
1919         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1920         make_elf_object returns NULL.
1921         (Archive::include_member): Don't check whether object target is
1922         compatible.
1923         * output.cc (Output_section::add_input_section): Get target from
1924         parameters.
1925         (Output_section::relax_input_section): Likewise.
1926         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1927         parameters.
1928         (Sized_relobj::do_scan_relocs): Likewise.
1929         (Sized_relobj::relocate_sections): Likewise.
1930         * resolve.cc (Symbol_table::resolve): Likewise.
1931         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
1932         parameter.  Change all callers.
1933         (Symbol_table::add_from_object): Get target from parameters.
1934         (Symbol_table::add_from_relobj): Don't check object target.
1935         (Symbol_table::add_from_dynobj): Likewise.
1936         (Symbol_table::define_special_symbol): Get target from
1937         parameters.
1938         * symtab.h (class Symbol_table): Update declaration.
1939         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1940         parameter.  Change all callers.  Clear parameter target.
1941         (Binary_test): Test target here.
1942         * testsuite/object_unittest.cc (gold_testsuite): Remove
1943         target_test_pointer parameter.  Change all callers.
1944         (Object_test): Test target here.
1945
1946 2009-09-26  Ian Lance Taylor  <iant@google.com>
1947
1948         * testsuite/initpri1.c: Don't try to use constructor priorities if
1949         compiling with gcc before 4.3.
1950
1951 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
1952
1953         * testsuite/retain_symbols_file_test.sh (check_present): Change
1954         output file name to retain_symbols_file_test.stdout.
1955         (check_absent): Likewise.
1956
1957 2009-09-18  Craig Silverstein  <csilvers@google.com>
1958
1959         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1960         * options.cc: Include <cerrno> and <fstream>.
1961         (General_options::finalize): Parse -retain-symbols-file tag.
1962         * options.h: New flag.
1963         (General_options): New method should_retain_symbol, new
1964         variable symbols_to_retain.
1965         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1966         should_retain_symbol map.
1967         * testsuite/Makefile.am (retain_symbols_file_test): New test.
1968         * testsuite/Makefile.in: Regenerate.
1969         * testsuite/retain_symbols_file_test.sh: New file.
1970
1971 2009-09-18  Nick Clifton  <nickc@redhat.com>
1972
1973         * po/es.po: Updated Spanish translation.
1974
1975 2009-09-17  Doug Kwan  <dougkwan@google.com>
1976
1977         * debug.h (DEBUG_RELAXATION): New constant.
1978         (DEBUG_ALL): Add DEBUG_RELAXATION.
1979         (debug_string_to_enum): Add relaxation debug option.
1980         * layout.cc
1981         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1982         Layout::Relaxation_debug_check::read_sections,
1983         Layout::Relaxation_debug_check::read_sections): New method definitions.
1984         (Layout::Layout): Initialize data members
1985         record_output_section_data_from_scrips_,
1986         script_output_section_data_list_ and relaxation_debug_check_.
1987         (Layout::save_segments, Layout::restore_segments,
1988         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1989         Layout::relaxation_loop_body): New method definitions.
1990         (Layout::finalize): Support relaxation.  Move section layout code to
1991         Layout::relaxation_loop_body.
1992         (Layout::set_asection_address_from_script): Move code for orphan
1993         section placement out.
1994         (Layout::place_orphan_sections_in_script): New method definition.
1995         * layout.h (Output_segment_headers, Output_file_header):
1996         New forward class declarations.
1997         (Layout::~Layout): Define.
1998         (Layout::new_output_section_data_from_script): New method definition.
1999         (Layout::place_orphan_sections_in_script): New method declaration.
2000         (Layout::Segment_states): New type declaration.
2001         (Layout::save_segments, Layout::restore_segments,
2002         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2003         Layout::relaxation_loop_body): New method declarations.
2004         (Layout::Output_section_data_list): New type declaration.
2005         (Layout::Relaxation_debug_check): New class definition.
2006         (Layout::record_output_section_data_from_script_,
2007         Layout::script_output_section_data_list_, Layout::segment_states_,
2008         Layout::relaxation_debug_check_): New data members.
2009         * output.cc: (Output_section_headers::do_size): New method definition.
2010         (Output_section_headers::Output_section_headers): Move size
2011         computation to Output_section_headers::do_size.
2012         (Output_segment_headers::do_size): New method definition.
2013         (Output_file_header::Output_file_header): Move size computation to
2014         Output_file_header::do_size and call it.
2015         (Output_file_header::do_size): New method definition.
2016         (Output_data_group::Output_data_group): Adjust call to
2017         Output_section_data.
2018         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
2019         (Output_symtab_xindex::do_write): Add array bound check.
2020         (Output_section::Input_section::print_to_mapfile): Handle
2021         RELAXED_INPUT_SECTION_CODE.
2022         (Output_section::Output_section): Initialize data member checkpoint_.
2023         (Output_section::~Output_section): Delete checkpoint object pointed
2024         by checkpoint_.
2025         (Output_section::add_input_section): Always add an Input_section if
2026         relaxing.
2027         (Output_section::add_merge_input_section): Add assert.
2028         (Output_section::relax_input_section): New method definition.
2029         (Output_section::set_final_data_size): Set load address to zero for
2030         an unallocated section.
2031         (Output_section::do_address_and_file_offset_have_reset_values):
2032         New method definition.
2033         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
2034         Handle relaxed input section.
2035         (Output_section::sort_attached_input_sections): Checkpoint input
2036         section list lazily.
2037         (Output_section::get_input_sections): Change type of input_sections to
2038         list of Simple_input_section pointers.  Checkpoint input section list
2039         lazily.  Also handle relaxed input sections.
2040         (Output_section::add_input_section_for_script): Take a reference to
2041         a Simple_input_section object instead of Relobj pointer and section
2042         index as parameter.  Handle relaxed input sections.
2043         (Output_section::save_states, Output_section::restore_states): New
2044         method definitions.
2045         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
2046         (Output_data::is_data_size_fixed): New method definition.
2047         (Output_data::reset_addresss_and_file_offset): Do not reset data size
2048         if it is fixed.
2049         (Output_data::address_and_file_offset_have_reset_values): New method
2050         definition.
2051         (Output_data::do_address_and_file_offset_have_reset_values): New method
2052         definition.
2053         (Output_data::set_data_size): Check that data size is not fixed.
2054         (Output_data::fix_data_size): New method definition.
2055         (Output_data::is_data_size_fixed_): New data member.
2056         (Output_section_headers::set_final_data_size): New method definition.
2057         (Output_section_headers::do_size): New method declaration.
2058         (Output_segment_headers::set_final_data_size): New method definition.
2059         (Output_segment_headers::do_size): New method declaration.
2060         (Output_file_header::set_final_data_size)::New method definition.
2061         (Output_file_header::do_size)::New method declaration.
2062         (Output_section_data::Output_section_data): Add new parameter
2063         is_data_size_fixed and use it to fix data size.
2064         (Output_data_const::Output_data_const): Adjust call to base class
2065         constructor and fix data size.
2066         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
2067         base class constructor and fix data size.
2068         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
2069         base class constructor and fix data size.
2070         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
2071         class constructor and fix data size.
2072         (Output_data_group::set_final_data_size): New method definition.
2073         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
2074         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
2075         class constructor and fix data size.
2076         (Output_relaxed_input_section): New class definition.
2077         (Output_section::Simple_input_section): New class definition.
2078         (Output_section::get_input_sections): Adjust parameter list.
2079         (Output_section::add_input_section_for_script): Same.
2080         (Output_section::save_states, Output_section::restore_states,
2081         Output_section::do_address_and_file_offset_have_reset_values,
2082         (Output_section::Input_section::Input_section): Handle
2083         RELAXED_INPUT_SECTION_CODE.  Add new overload for
2084         Output_relaxed_input_section.
2085         (Output_section::Input_section::is_input_section,
2086         Output_section::Input_section::set_output_section): Handle relaxed
2087         input section.
2088         (Output_section::Input_section::is_relaxed_input_section,
2089         Output_section::Input_section::output_section_data,
2090         Output_section::Input_section::relaxed_input_section): New method
2091         definitions.
2092         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
2093         value.
2094         (Output_section::Input_section::u1_): Update comments.
2095         (Output_section::Input_section::u2_): Add new union member poris.
2096         (Output_section::Checkpoint_output_section): New classs definition.
2097         (Output_section::relax_input_section): New method declaration.
2098         (Output_section::checkpoint_): New data member.
2099         (Output_segment): Update comments.
2100         (Output_segment::Output_segment): Un-privatize copy constructor.
2101         (Output_segment::operator=): Un-privatize.
2102         * script-sections.cc (Output_section_element::Input_section_list):
2103         Change element type to Output_section::Simple_input_section.
2104         (Output_section_element_dot_assignment::set_section_addresses):
2105         Register output section data for relaxation clean up.
2106         (Output_data_exression::Output_data_expression): Adjust call to base
2107         constructor to fix data size.
2108         (Output_section_element_data::set_section_addresses): Register
2109         Output_data_expression object for relaxation clean up.
2110         (struct Input_section_info): Replace Relobj pointer and section index
2111         pair with Output_section::Simple_input_section and Convert struct to a
2112         class.
2113         (Input_section_sorter::operator()): Adjust access to
2114         Input_section_info data member to use accessors.
2115         (Output_section_element_input::set_section_addresses): Use layout
2116         parameter.  Adjust code to use Output_section::Simple_input_section
2117         and Input_secction_info classes.  Register filler for relaxation
2118         clean up.
2119         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
2120         and section index pair with Output_section::Simple_input_section
2121         class.  Adjust code accordingly.
2122         (Phdrs_element::release_segment): New method definition.
2123         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
2124         segment list.
2125         (Script_sections::release_segments): New method definition.
2126         * gold/script-sections.h (Script_sections::release_segments): New
2127         method declaration.
2128         * gold/target.h (Target::may_relax, Target::relax,
2129         Target::do_may_relax, Target::do_relax): New method definitions.
2130
2131 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2132
2133         * arm.cc (has_signed_unsigned_overflow): New function.
2134         (Arm_relocate_functions::abs8): New function.
2135         (Target_arm::Scan::local): Handle R_ARM_ABS8.
2136         (Target_arm::Scan::global): Likewise.
2137         (Target_arm::relocate::relocate): Likewise.
2138         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2139         Likewise.
2140
2141 2009-09-16  Cary Coutant  <ccoutant@google.com>
2142
2143         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2144         * testsuite/Makefile.in: Regenerate.
2145
2146 2009-09-11  Nick Clifton  <nickc@redhat.com>
2147
2148         * po/gold.pot: Updated by the Translation project.
2149
2150 2009-09-08  Cary Coutant  <ccoutant@google.com>
2151
2152         * output.cc (Output_file::open): Add execute permission to empty file.
2153         * testsuite/Makefile.am (permission_test): New test.
2154         * testsuite/Makefile.in: Regenerate.
2155
2156 2009-09-02  Ian Lance Taylor  <iant@google.com>
2157
2158         * output.cc (Output_file::resize): Call map_no_anonymous rather
2159         than map.
2160
2161 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
2162
2163         * gold.cc: Include "incremental.h".
2164         (queue_initial_tasks): Call Incremental_checker methods.
2165         * incremental.cc: Include "output.h".
2166         (Incremental_checker::can_incrementally_link_output_file): New
2167         method.
2168         * incremental.h (Incremental_checker): New class.
2169
2170         * output.cc (Output_file::open_for_modification): New method.
2171         (Output_file::map_anonymous): Changed return type to bool.  Record
2172         map in base_ field.
2173         (Output_file::map_no_anonymous): New method, broken out of map.
2174         (Output_file::map): Use map_no_anonymous and map_anonymous.
2175         * output.h (class Output_file): Update declarations.
2176
2177 2009-08-24  Cary Coutant  <ccoutant@google.com>
2178
2179         * options.h (Command_line::Pre_options): New class.
2180         (Command_line::pre_options): New member.
2181         * options.cc (gold::options::ready_to_register): New variable.
2182         (One_option::register_option): Do nothing if not registering options.
2183         Assert if same short option registered twice.
2184         (General_options::General_options): Turn off option registration when
2185         done constructing.
2186         (Command_line::Pre_options::Pre_options): New constructor.
2187
2188 2009-08-24  Cary Coutant  <ccoutant@google.com>
2189
2190         * options.h (General_options::no_keep_memory): Remove incorrect
2191         short option.
2192
2193 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2194
2195         * Makefile.am (am__skiplex, am__skipyacc): New.
2196         * Makefile.in: Regenerate.
2197
2198 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2199
2200         * Makefile.am (AM_CPPFLAGS): Renamed from ...
2201         (INCLUDES): ... this.
2202         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2203         (AM_CPPFLAGS): Renamed from ...
2204         (INCLUDE): ... this.
2205         * Makefile.in, testsuite/Makefile.in: Regenerate.
2206
2207         * Makefile.in: Regenerate.
2208         * aclocal.m4: Likewise.
2209         * config.in: Likewise.
2210         * configure: Likewise.
2211         * testsuite/Makefile.in: Likewise.
2212
2213         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2214         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2215         * Makefile.in: Regenerate.
2216         * testsuite/Makefile.in: Regenerate.
2217
2218 2009-08-19  Cary Coutant  <ccoutant@google.com>
2219
2220         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2221         symbols in shared libraries overridden by hidden or internal symbols
2222         in the main program.
2223
2224 2009-08-19  Chris Demetriou  <cgd@google.com>
2225
2226         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2227         checking source file names in error messages.
2228
2229 2009-08-18  Doug Kwan  <dougkwan@google.com>
2230
2231         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2232         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2233         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
2234         an elfcpp::Ehdr as parameter.
2235         * object.cc (Object::set_target): Remove the version that looks up
2236         a target and sets it.
2237         (Sized_relobj::setup): Take a Target object instead of
2238         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
2239         (make_elf_sized_object): Find target and ask target to
2240         make an ELF object.
2241         * object.h: (Object::set_target): Remove the version that looks up
2242         a target and sets it.
2243         (Sized_relobj::setup): Take a Target object instead of
2244         an elfcpp:Ehdr as parameter.
2245         * target.cc: Include dynobj.h.
2246         (Target::do_make_elf_object_implementation): New.
2247         (Target::do_make_elf_object): New.
2248         * target.h (Target::make_elf_object): New template declaration.
2249         (Target::do_make_elf_object): New method declarations.
2250         (Target::do_make_elf_object_implementation): New template declaration.
2251
2252 2009-08-14  Ian Lance Taylor  <iant@google.com>
2253
2254         * gold.h (FUNCTION_NAME): Define.
2255         (gold_unreachable): Use FUNCTION_NAME.
2256
2257 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2258
2259         * icf.cc (Icf::find_identical_sections): Issue a warning when a
2260         symbol in the --keep-unique list is not found.
2261
2262 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
2263
2264         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
2265         been maked as --keep-unique.
2266         (Icf::unfold_section): New function.
2267         * icf.h (Icf::unfold_section): New function.
2268         * options.h (General_options::keep_unique): New option.
2269         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
2270         * testsuite/Makefile.in: Regenerate.
2271         * testsuite/icf_keep_unique_test.sh: New file.
2272         * testsuite/icf_keep_unique_test.cc: New file.
2273
2274 2009-08-12  Cary Coutant  <ccoutant@google.com>
2275
2276         PR 10471
2277         * resolve.cc (Symbol_table::resolve): Check for references from
2278         dynamic objects to hidden and internal symbols.
2279         * testsuite/Makefile.am (hidden_test.sh): New test.
2280         * testsuite/Makefile.in: Regenerate.
2281         * testsuite/hidden_test.sh: New script.
2282         * testsuite/hidden_test_1.c: New test source.
2283         * testsuite/hidden_test_main.c: New test source.
2284
2285 2009-08-11  Doug Kwan  <dougkwan@google.com>
2286
2287         * arm.cc: Update comments.
2288         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
2289         segment to locate the .ARM.exidx section if present.
2290
2291 2009-08-09  Doug Kwan  <dougkwan@google.com>
2292
2293         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
2294         patch.
2295
2296 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
2297         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
2298         compiler warnings.
2299
2300 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
2301
2302         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
2303         valid tls_segment only for non-debug-section relocations.
2304         * testsuite/Makefile.am: Add gc_tls_test.
2305         * testsuite/Makefile.in: Regenerate.
2306         * testsuite/gc_tls_test.cc: New file.
2307         * testsuite/gc_tls_test.sh: New file.
2308
2309 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
2310
2311         * icf.cc: New file.
2312         * icf.h: New file.
2313         * Makefile.am (CCFILES): Add icf.cc.
2314         (HFILES): Add icf.h
2315         * Makefile.in: Regenerate.
2316         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
2317         * gc.h (gc_process_relocs): Populate lists used by icf to contain
2318         section, symbol and addend information for the relocs.
2319         * gold.cc (queue_middle_tasks): Call identical code folding.
2320         * gold.h: Add defines for multimap.
2321         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
2322         to the call of finalize_local_symbols.
2323         * main.cc (main): Create object of class Icf.
2324         * object.cc (Sized_relobj::do_layout): Allow this function to be
2325         called twice during icf.
2326         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
2327         to sections marked as identical by icf.
2328         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
2329         when available.
2330         (Sized_relobj::do_section_entsize): New function.
2331         * object.h (Object::section_entsize): New function.
2332         (Object::do_section_entsize): New pure virtual function.
2333         (Relobj::finalize_local_symbols): Add new parameter.
2334         (Relobj::do_section_entsize): New function.
2335         * options.h (General_options::icf): New option.
2336         (General_options::icf_iterations): New option.
2337         (General_options::print_icf_sections): New option.
2338         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
2339         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
2340         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
2341         icf.
2342         * symtab.cc (Symbol_table::is_section_folded): New function.
2343         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
2344         to sections marked as identical by icf.
2345         * symtab.h (Symbol_table::set_icf): New function.
2346         (Symbol_table::icf): New function.
2347         (Symbol_table::is_section_folded): New function.
2348         (Symbol_table::icf_): New data member.
2349         * target-reloc.h (relocate_section): Ignore sections folded by icf.
2350         * testsuite/Makefile.am: Add commands to build icf_test.
2351         * testsuite/Makefile.in: Regenerate.
2352         * testsuite/icf_test.sh: New file.
2353         * testsuite/icf_test.cc: New file.
2354
2355 2009-07-24  Chris Demetriou  <cgd@google.com>
2356
2357         * layout.cc (is_compressible_debug_section): Fix incorrect
2358         comment about compressed section names.
2359
2360 2009-07-20  Ian Lance Taylor  <ian@airs.com>
2361
2362         PR 10419
2363         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2364
2365 2009-07-16  Ian Lance Taylor  <iant@google.com>
2366
2367         PR 10400
2368         * layout.h: #include <map>.
2369         (class Kept_section): Change from struct to class.  Add accessors
2370         and setters.  Add section size to Comdat_group mapping.  Change
2371         Comdat_group to std::map.  Add is_comdat_ field.  Add
2372         linkonce_size field in union.
2373         (class Layout): Update declaration of find_or_add_kept_section.
2374         Don't declare find_kept_object.
2375         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
2376         parameter.  Add object, shndx, is_comdat, and is_group_name
2377         parameters.  Change all callers.  Adjust for new Kept_section.
2378         (Layout::find_kept_object): Remove.
2379         * object.cc (Sized_relobj::include_section_group): Update use of
2380         Kept_section.  Rename secnum to shndx.  Only record
2381         Kept_comdat_section if sections are the same size.
2382         (Sized_relobj::include_linkonce_section): Update use of
2383         Kept_section.  Only record Kept_comdat_section if sections are the
2384         same size.  Set size of linkonce section.
2385         (Sized_relobj::map_to_kept_section): Update call to
2386         get_kept_comdat_section.
2387         * object.h (class Sized_relobj): Rename fields in
2388         Kept_comdat_section to drop trailing underscores; change object
2389         field to Relobj*.  Change Kept_comdat_section_table to store
2390         struct rather than pointer.
2391         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
2392         Add kept_object and kept_shndx parameters.  Change all callers.
2393         (Sized_relobj::get_kept_comdat_section): Change return type to
2394         bool.  Add kept_object and kept_shndx parameters.  Change all
2395         callers.
2396         * plugin.cc (Pluginobj::include_comdat_group): Update call to
2397         Layout::find_or_add_kept_section.
2398
2399 2009-07-09  Ian Lance Taylor  <iant@google.com>
2400
2401         * merge.cc (Object_merge_map::initialize_input_to_output_map):
2402         Reserve space in the hash table.
2403
2404 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
2405
2406         * fileread.cc (File_read::get_mtime): New method.
2407         * fileread.h (Timespec): New structure.
2408         (File_read::get_mtime): New method.
2409         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
2410         Renamed from timestamp_nsec.
2411         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
2412         Elf_Xword.
2413         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
2414         timestamp_nsec.
2415         (Incremental_inputs::report_archive): Save mtime; style fix.
2416         (Incremental_inputs::report_obejct): Save mtime; style fix.
2417         (Incremental_inputs::report_script): Save mtime; style fix.
2418         (Incremental_inputs::finalize_inputs): Style fix.
2419         (Incremental_inputs::finalize): Style fix.
2420         (Incremental_inputs::create_input_section_data): Store inputs
2421         mtime.
2422         * incremental.h (Incremental_inputs::report_script): Add mtime
2423         argument.
2424         (Incremental_inputs::Input_info::Input_info): Intialize only one
2425         union member.
2426         (Incremental_inputs::Input_info::archive): Move to nameless
2427         union.
2428         (Incremental_inputs::Input_info::obejct): Move to nameless union.
2429         (Incremental_inputs::Input_info::script): Move to nameless union.
2430         (Incremental_inputs::mtime): New field.
2431         * script.cc (read_input_script): Pass file mtime to
2432         Incremental_input.
2433         * script.h (Script_info::inputs): Style fix.
2434
2435 2009-07-01  Ian Lance Taylor  <ian@airs.com>
2436
2437         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
2438         instead of 32.
2439
2440 2009-06-24  Ian Lance Taylor  <iant@google.com>
2441
2442         PR 10156
2443         * layout.cc (Layout::choose_output_section): If we find an
2444         existing section, update the flags.
2445         (Layout::create_notes): New function, broken out of
2446         Layout::finalize.
2447         (Layout::finalize): Don't create note sections.
2448         (Layout::create_note): Don't crash if linker script discards
2449         section.
2450         (Layout::create_gold_note): Likewise.
2451         (Layout::create_build_id): Likewise.  Don't set
2452         after_input_sections on the section.
2453         (Layout::create_executable_stack_info): Remove target parameter.
2454         Change caller.
2455         * layout.h (class Layout): Declare create_notes.  Update
2456         declaration of create_executable_stack_info.
2457         * gold.cc (queue_middle_tasks): Call create_notes.
2458         * output.cc (Output_section::update_flags_for_input_section): Move
2459         here from output.h.  If SHF_ALLOC flag is newly set, mark address
2460         invalid.
2461         * output.h (Output_data::mark_address_invalid): New function.
2462         (class Output_section): Only declare, not define,
2463         update_flags_for_input_section.  Remove set_flags.
2464
2465 2009-06-24  Ian Lance Taylor  <iant@google.com>
2466
2467         * script-sections.cc (Output_section_definition::
2468         set_section_addresses): Rename shadowing local load_address to
2469         laddr.
2470
2471 2009-06-24  Ian Lance Taylor  <iant@google.com>
2472
2473         PR 10244
2474         * reloc.cc (relocate_sections): Skip empty relocation sections.
2475
2476 2009-06-23  Ian Lance Taylor  <iant@google.com>
2477
2478         PR 10156
2479         * layout.cc (Layout::create_note): Use choose_output_section
2480         rather than make_output_section.
2481
2482 2009-06-23  Ian Lance Taylor  <iant@google.com>
2483
2484         PR 10237
2485         * options.cc (General_options::parse_V): Set printed_version_.
2486         (General_options::General_options): Initialize printed_version_.
2487         * options.h (class General_options): Add printed_version_ field.
2488         * gold.cc (queue_initial_tasks): If there are no input files,
2489         don't give a fatal error if we printed the version information.
2490         (queue_middle_tasks): If using -r with a shared object, give a
2491         fatal error rather than an ordinary error.
2492
2493 2009-06-23  Ian Lance Taylor  <iant@google.com>
2494
2495         PR 10219
2496         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2497         (Layout::make_output_section): Set have_stabstr_section_ if we see
2498         a .stab*str section.
2499         (Layout::finalize): Call link_stabs_sections.
2500         (Layout::link_stabs_sections): New file.
2501         * layout.h (class Layout): Add have_stabstr_section_ field.
2502         Declare link_stabs_sections.
2503
2504 2009-06-23  Doug Kwan  <dougkwan@google.com>
2505
2506         * Makefile.am (libgold_a_LIBADD): New.
2507         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2508         * Makefile.in: Regenerate.
2509         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2510         * configure: Regenerate.
2511         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2512         * fileread.cc: Include sys/state.h
2513         * gold.h: Declare memmem and strndup if found missing.
2514         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2515
2516 2009-06-23  Ian Lance Taylor  <iant@google.com>
2517
2518         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2519         * configure: Rebuild.
2520
2521 2009-06-23  Ian Lance Taylor  <iant@google.com>
2522
2523         PR 10147
2524         * object.cc (Object::section_contents): Don't try to get a view if
2525         the section has length zero.
2526         (Object::handle_gnu_warning_section): If the section is empty, use
2527         the name of the section as the warning.
2528
2529 2009-06-23  Ian Lance Taylor  <iant@google.com>
2530
2531         PR 10133
2532         * stringpool.h (class Stringpool_template): Add optimize_ field.
2533         (Stringpool_template::set_optimize): New function.
2534         * stringpool.cc (Stringpool_template::Stringpool_template):
2535         Initialize optimize_ field.
2536         (Stringpool_template::set_string_offsets): Test local optimize
2537         fild rather than parameter.
2538         * layout.cc (Layout::Layout): Call set_optimize on the section
2539         name stringpool.
2540
2541 2009-06-22  Ian Lance Taylor  <iant@google.com>
2542
2543         PR 10030
2544         * yyscript.y: Parse TARGET.
2545         * script.cc (script_set_target): New function.
2546         * script-c.h (script_set_target): Declare.
2547         * options.cc (General_options::string_to_object_format): Rename
2548         from string_to_object_format in anonymous namespace.  Change
2549         callers.
2550         * options.h (class General_options): Declare
2551         string_to_object_format.
2552
2553 2009-06-22  Ian Lance Taylor  <iant@google.com>
2554
2555         * script-sections.cc (Script_sections::create_segments): Don't put
2556         program headers in a PT_LOAD segment if -n or -N.
2557
2558 2009-06-22  Ian Lance Taylor  <iant@google.com>
2559
2560         PR 10141
2561         * options.h (class General_options): Add -z lazy and -z now.  Sort
2562         -z options into alphabetical order.
2563         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2564
2565 2009-06-21  Ian Lance Taylor  <iant@google.com>
2566
2567         * layout.cc (Layout::make_output_section): Call
2568         Target::new_output_section.
2569         (Layout::attach_allocated_section_to_segment): Put large section
2570         sections in a separate load segment with the large segment flag
2571         set.
2572         (Layout::segment_precedes): Sort large data segments after other
2573         load segments.
2574         (align_file_offset): New static function.
2575         (Layout::set_segment_offsets): Use align_file_offset.
2576         * output.h (class Output_section): Add is_small_section_ and
2577         is_large_section_ fields.
2578         (Output_section::is_small_section): New function.
2579         (Output_section::set_is_small_section):  New function.
2580         (Output_section::is_large_section): New function.
2581         (Output_section::set_is_large_section): New function.
2582         (Output_section::is_large_data_section): New function.
2583         (class Output_segment): Add is_large_data_segment_ field.
2584         (Output_segment::is_large_data_segment): New function.
2585         (Output_segment::set_is_large_data_segment): New function.
2586         * output.cc (Output_section::Output_section): Initialize new
2587         fields.
2588         (Output_segment::Output_segment): Likewise.
2589         (Output_segment::add_output_section): Add assertion that large
2590         data sections always go in large data segments.  Force small data
2591         sections to the end of the list of data sections.  Force small BSS
2592         sections to the start of the list of BSS sections.  For large BSS
2593         sections to the end of the list of BSS sections.
2594         * symtab.h (class Symbol): Declare is_common_shndx.
2595         (Symbol::is_defined): Check Symbol::is_common_shndx.
2596         (Symbol::is_common): Likewise.
2597         (class Symbol_table): Define enum Commons_section_type.  Update
2598         declarations.  Add small_commons_ and large_commons_ fields.
2599         * symtab.cc (Symbol::is_common_shndx): New function.
2600         (Symbol_table::Symbol_table): Initialize new fields.
2601         (Symbol_table::add_from_object): Put small and large common
2602         symbols in the right list.
2603         (Symbol_table::sized_finalized_symbol): Check
2604         Symbol::is_common_shndx.
2605         (Symbol_table::sized_write_globals): Likewise.
2606         * common.cc (Symbol_table::do_allocate_commons): Allocate new
2607         common symbol lists.  Don't call do_allocate_commons_list if the
2608         list is empty.
2609         (Symbol_table::do_allocate_commons_list): Remove is_tls
2610         parameter.  Add comons_section_type parameter.  Change all
2611         callers.  Handle small and large common symbols.
2612         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2613         Symbol::is_common_shndx.
2614         * resolve.cc (symbol_to_bits): Likewise.
2615         * target.h (Target::small_common_shndx): New function.
2616         (Target::small_common_section_flags): New function.
2617         (Target::large_common_shndx): New function.
2618         (Target::large_common_section_flags): New function.
2619         (Target::new_output_section): New function.
2620         (Target::Target_info): Add small_common_shndx, large_common_shndx,
2621         small_common_section_flags, and large_common_section_flags
2622         fields.
2623         (Target::do_new_output_section): New virtual function.
2624         * arm.cc (Target_arm::arm_info): Initialize new fields.
2625         * i386.cc (Target_i386::i386_info): Likewise.
2626         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2627         Likewise.
2628         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2629         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2630         (Target_x86_64::do_new_output_section): New function.
2631         * configure.ac: Define conditional MCMODEL_MEDIUM.
2632         * testsuite/Makefile.am (check_PROGRAMS): Add large.
2633         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2634         (large_LDFLAGS): Define.
2635         * testsuite/large.c: New file.
2636         * testsuite/testfile.cc (Target_test::test_target_info):
2637         Initialize new fields.
2638         * configure, testsuite/Makefile.in: Rebuild.
2639
2640 2009-06-05  Doug Kwan  <dougkwan@google.com>
2641
2642         * Makefile.am (CCFILES): Add target.cc.
2643         * Makefile.in: Regenerate.
2644         * i386.cc (class Target_i386): Define new virtual method to
2645         override do_is_local_label_name in parent.
2646         * object.cc (Sized_relobj::do_count_local_symbols): Discard
2647         local symbols if --discard-locals or -X is given.
2648         * options.h (class General_options): Declare new options
2649         '--discard-locals' and '-X' for discarding locals.
2650         * target.h (class Target): Define new methods is_local_label_name.
2651         Declare new virtual method do_is_local_label_name.
2652         * target.cc: New file.
2653         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2654         (check_SCRIPTS): Add discard_locals_test.sh.
2655         (check_DATA): Add discard_local_tests.syms.
2656         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2657         (discard_local_tests.syms, discard_locals_test.o): New make rules.
2658         * testsuite/Makefile.in: Regenerate.
2659         * testsuite/discard_locals_test.c: New file.
2660         * testsuite/discard_locals_test.sh: Same.
2661
2662 2009-06-05  Doug Kwan  <dougkwan@google.com>
2663
2664         * object.cc (Sized_relobj::Sized_relobj): Initialize
2665         discarded_eh_frame_shndx_ to -1U.
2666         (Sized_relobj::do_layout): Record index of a discard .eh_frame
2667         section.
2668         (Sized_relobj::do_count_local_symbols): Skip local symbols in
2669         a discarded .eh_frame section.
2670         (Sized_relobj::do_finalize_local_symbols): Ditto.
2671         * object.h (class Sized_relobj): Declare new member
2672         discarded_eh_frame_shndx_.
2673         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2674         (local_labels_test.o, local_labels_test): New rules.
2675         * testsuite/Makefile.in: Regenerate.
2676
2677 2009-06-04  Doug Kwan  <dougkwan@google.com>
2678
2679         * layout.cc (Layout::section_name_mapping): Add mapping for
2680         special ARM sections.
2681
2682 2009-06-03  Doug Kwan  <dougkwan@google.com>
2683
2684         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2685         (utils::has_overflow): Same.
2686
2687 2009-06-03  Ian Lance Taylor  <iant@google.com>
2688
2689         * layout.cc (Layout::section_name_mapping): New array, replacing
2690         Layout::linkonce_mapping.
2691         (Layout::section_name_mapping_count): New variable, replacing
2692         Layout::linkonce_mapping_count.
2693         (Layout::linkonce_output_name): Remove.
2694         (Layout::output_section_name): Rewrite.
2695         * layout.h (class Layout): Rename Linkonce_mapping to
2696         Section_name_mapping, linkonce_mapping to section_name_mapping,
2697         linkonce_mapping_count to section_name_mapping_count.  Don't
2698         declare linkonce_output_name.
2699
2700 2009-06-03  Doug Kwan  <dougkwan@google.com>
2701
2702         * gold/arm.cc (namespace utils): New.
2703         (Target_arm::reloc_is_non_pic): Define new method.
2704         (class Arm_relocate_functions): New.
2705         (Target_arm::Relocate::relocate): Handle relocation types used by
2706         Android.
2707
2708 2009-06-03  Ian Lance Taylor  <iant@google.com>
2709
2710         * arm.cc (Target_arm::scan::global): Use || instead of |.
2711
2712 2009-06-02  Doug Kwan  <dougkwan@google.com>
2713
2714         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
2715         issued_non_pic_error_.
2716         (class Target_arm::Scan): Declare new method check_non_pic.
2717         Define new method symbol_needs_plt_entry.
2718         Declare new data member issued_non_pic_error_.
2719         (class Target_arm::Relocate): Declare new method
2720         should_apply_static_reloc.
2721         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2722         (Target_arm::Scan::check_non_pic): Define new method.
2723         (Target_arm::Scan::local): Handle a small subset of reloc types used
2724         by Android.
2725         (Target_arm::Scan::local): Same.
2726         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2727
2728 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
2729
2730         * incremental.cc (Incremental_inputs::report_command_line): Filter
2731         out --incremental-* options.
2732
2733 2009-05-29  Doug Kwan  <dougkwan@google.com>
2734
2735         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2736         template class.
2737         (class Target_arm): Update comment.
2738         (Target_arm::Target_arm): Initialize new data members GOT_,
2739         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2740         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2741         and Target_arm::rel_dyn_section.
2742         Declare new_enum Target_arm::Got_type.
2743         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2744         and DYNBSS_.
2745         Update commments for member do_dynsym_value.
2746         (Target_arm::got_size, Target_arm::plt_section,
2747         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2748         new methods inside class defintion.
2749         (Target_arm::got_section): Define new method.
2750         (Target_arm::rel_dyn_section): Same.
2751         (Output_data_plt_arm): New template class.
2752         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2753         (Output_data_plt_arm:do_adjust_output_section): Define new method.
2754         (Output_data_plt_arm::add_entry): Same.
2755         (Output_data_plt_arm::first_plt_entry): Define new
2756         static data member for PLT instruction template.
2757         (Output_data_plt_arm::plt_entry): Same.
2758         (Output_data_plt_arm::do_write): Define new method.
2759         (Target_arm::make_plt_entry): Same.
2760         (Target_arm::do_finalize_sections): Same.
2761         (Target_arm::do_dynsym_value): Same.
2762
2763 2009-05-28  Doug Kwan  <dougkwan@google.com>
2764
2765         * Makefile.am (TARGETSOURCES): Add arm.cc.
2766         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2767         * Makefile.in: Regenerate.
2768         * arm.cc: New file.
2769         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2770
2771 2009-05-26  Doug Kwan  <dougkwan@google.com>
2772
2773         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
2774         (General_options::check_excluded_libs): Strip off directories in
2775         archive name before matching like GNU ld does.
2776         * testsuite/Makefile.am (MOSTLYCLEANFILES,
2777         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2778         (exclude_libs_test_LDFLAGS): Add linker option
2779         -Wl,--exclude-libs,libexclude_libs_test_3
2780         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2781         an explicit archive without using -l.
2782         (alt/libexclude_libs_test_3.a): New make rule.
2783         * testsuite/Makefile.in: Regenerate.
2784         * testsuite/exclude_libs_test.c : Declare lib3_default().
2785         (main): Call it.
2786         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2787         * exclude_libs_test_3.c: New file.
2788
2789 2009-05-26  Nick Clifton  <nickc@redhat.com>
2790
2791         * po/id.po: New Indonesian translation.
2792         * po/gold.pot: Updated template file.
2793
2794 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
2795
2796         * testsuite/Makefile.am: Add -ffunction-sections to compile
2797         gc_comdat_test files.  Add -Wl,--gc-sections to build
2798         gc_comdat_test.
2799         * testsuite/Makefile.in: Regenerate.
2800         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2801
2802 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
2803
2804         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2805         kept comdat section was garbage collected.
2806         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2807         * testsuite/Makefile.in: Regenerate.
2808         * testsuite/gc_comdat_test.sh: New file.
2809         * testsuite/gc_comdat_test_1.cc: New file.
2810         * testsuite/gc_comdat_test_2.cc: New file.
2811
2812 2009-05-19  Doug Kwan  <dougkwan@google.com>
2813
2814         * archive.cc (Archive::Archive): Move constructor from archive.h
2815         to here.  Initialize no_export_.
2816         (Archive::get_elf_object_for_member): Set no_export flag of object.
2817         * archive.h (Archive::Archive): Move constructor body to
2818         archive.cc.
2819         (Archive::no_export): New method.
2820         (Archive::no_export_): New field.
2821         * object.h (Object::Object): Initialize no_export_ to false.
2822         (Object::no_export, Object::set_no_export): New methods.
2823         (Object::no_export_): New field.
2824         * options.cc (General_options::parse_exclude_libs): New method.
2825         (General_options::check_excluded_libs) Same.
2826         * options.h (exclude_libs): New option.
2827         (General_options::check_excluded_libs): New method declaration.
2828         (General_options::excluded_libs_): New field.
2829         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2830         default or protected visibility if an object has no-export flag set.
2831         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2832         (check_SCRIPTS): Add exclude_libs_test.sh.
2833         (check_DATA): Add exclude_libs_test.syms.
2834         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2835         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2836         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2837         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2838         (exclude_libs_test.syms, libexclude_libs_test_1.a,
2839         libexclude_libs_test_2.a): New rules.
2840         * testsuite/Makefile.in: Regenerate.
2841         * testsuite/exclude_libs_test.c: New file.
2842         * testsuite/exclude_libs_test.sh: Ditto.
2843         * testsuite/exclude_libs_test_1.c: Ditto.
2844         * testsuite/exclude_libs_test_2.c: Ditto.
2845
2846 2009-05-15  Ian Lance Taylor  <iant@google.com>
2847
2848         * configure.ac: Check for declarations for cases where libiberty.h
2849         checks HAVE_DECL_xxx.
2850         * configure, config.in: Rebuild.
2851
2852 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
2853
2854         * gold.h (Incremental_argument_list): Remove (invalid) forward
2855         declaration.
2856         * incremental.cc (Incremental_inputs::report_achive): New method.
2857         (Incremental_inputs::report_object): New method.
2858         (Incremental_inputs::report_script): New method.
2859         (Incremental_inputs::finalize_inputs): New method.
2860         (Incremental_inputs::finalize): Call finalize_inputs().
2861         (Incremental_inputs::sized_create_incremental_inputs_section_data):
2862         Create inputs entries.
2863         * incremental.h (Incremental_input_type): New enum.
2864         (Incremental_inputs::Incremental_input): Initialize new fields.
2865         (Incremental_inputs::report_inputs): New method.
2866         (Incremental_inputs::report_achive): New method.
2867         (Incremental_inputs::report_object): New method.
2868         (Incremental_inputs::report_script): New method.
2869         (Incremental_inputs::finalize_inputs): New method.
2870         (Incremental_inputs::Input_info): New struct.
2871         (Incremental_inputs::Input_info_map): New typedef.
2872         (Incremental_inputs::lock_): New field.
2873         (Incremental_inputs::Inputs_): New field.
2874         (Incremental_inputs::Inputs_map): New field.
2875         * main.cc (main): Call Incremental_input::report_inputs.
2876         * options.h (Input_argument_list): Typedef moved from
2877         Input_arguments.
2878         (Input_file_group::Files): Remove, use ::Input_argument_list.
2879         (Input_file_group::Input_argument_list): Remove, use
2880         ::Input_argument_list.
2881         * plugin.cc (Plugin_manager::add_input_file): Add error in
2882         incremental build.
2883         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2884         functions.
2885         * script.cc (read_input_script): Call
2886         Incremental_input::report_script.
2887         * script.h (Script_info): New class.
2888
2889 2009-04-27  Ian Lance Taylor  <iant@google.com>
2890
2891         * x86_64.cc (do_adjust_output_section): Set entsize to
2892         plt_entry_size.
2893
2894 2009-04-23  Elliott Hughes  <enh@google.com>
2895
2896         * output.cc (Output_file::close): After short writes, continue
2897         writing from the correct offset in the buffer being written.
2898
2899 2009-04-23  Chris Demetriou  <cgd@google.com>
2900
2901         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2902         * configure: Regenerate.
2903         * config.in: Regenerate.
2904         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2905         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2906
2907 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
2908
2909         * incremental.cc (Incremental_inputs_header_data): Renamed from
2910         Incremental_input_header_data.
2911         (Incremental_inputs_header_data::data_size): New field.
2912         (Incremental_inputs_header_data::put_input_file_count): Renamed
2913         from input_file_count.
2914         (Incremental_inputs_header_data::put_command_line_offset): Renamed
2915         from command_line_offset.
2916         (Incremental_inputs_header_data::put_reserved): Renamed from
2917         put_reserved.
2918         (Incremental_inputs_entry_data): Renamed from
2919         Incremental_input_entry_data.
2920         (Incremental_inputs_entry_data::data_size): New field.
2921         (Incremental_inputs::report_command_line): New method.
2922         (Incremental_inputs::finalize): New method.
2923         (Incremental_inputs::create_incremental_inputs_data): New method.
2924         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2925         * incremental.h: New file.
2926         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2927        (Layout::finalize): Create incremental inputs section in
2928         incremental builds.
2929        (Layout::create_incremental_info_sections): New method.
2930         * layout.h (Layout::incremental_inputs): New method.
2931        (Layout::create_incremental_info_sections): New method.
2932        (Layout::incremental_inputs_): New field.
2933         * main.cc (main): Notify Incremental_input of the command line.
2934
2935 2009-04-01  Ian Lance Taylor  <iant@google.com>
2936             Mikolaj Zalewski  <mikolajz@google.com>
2937
2938         * gold.h (reserve_unordered_map): Define, three versions, one for
2939         each version of Unordered_map.
2940         * layout.cc (Layout::Layout): Remove options parameter.  Add
2941         number_of_input_files parameter.  Don't initialize options_.
2942         Initialize number_of_input_files_ and resized_signatures_.  Move
2943         sections_are_attached_.
2944         (Layout::layout_group): Reserve space for group_signatures_.
2945         (Layout::find_or_add_kept_section): Change name parameter to be a
2946         reference.  Resize signatures_ map when it gets large enough.
2947         (Layout::layout_eh_frame): Use parameters->options() instead of
2948         this->options_.
2949         (Layout::make_output_section): Likewise.
2950         (Layout::attach_allocated_section_to_segment): Likewise.
2951         (Layout::finalize, Layout::create_executable_stack): Likewise.
2952         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2953         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2954         * layout.h (class Layout): Update declarations.  Remove options_
2955         field.  Add number_of_input_files_ and resized_signatures_
2956         fields.  Move sections_are_attached_ field.
2957         * main.cc (main): Pass number of input files to Layout
2958         constructor.  Don't pass options.
2959
2960 2009-03-30  Ian Lance Taylor  <iant@google.com>
2961
2962         * ffsll.c (ffsll): Correct implementation.
2963
2964 2009-03-27  Ian Lance Taylor  <iant@google.com>
2965
2966         * ffsll.c: New file.
2967         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2968         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2969         * ftruncate.c (ftruncate): Declare before definition.
2970         * mremap.c (mremap): Likewise.
2971         * pread.c (pread): Likewise.
2972         * configure, Makefile.in, config.in: Rebuild.
2973
2974         * mremap.c: New file.
2975         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2976         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2977         (mremap): Declare if HAVE_MREMAP is not defined.
2978         * configure, Makefile.in, config.in: Rebuild.
2979
2980 2009-03-27  Cary Coutant  <ccoutant@google.com>
2981
2982         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2983         position independent.
2984         * sparc.cc (Target_sparc::check_non_pic): Likewise.
2985         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2986
2987 2009-03-24  Cary Coutant  <ccoutant@google.com>
2988
2989         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2990         an executable.
2991         (needs_dynamic_reloc): Likewise.
2992
2993 2009-03-24  Ian Lance Taylor  <iant@google.com>
2994
2995         * yyscript.y (file_cmd): Recognize EXTERN.
2996         (extern_name_list, extern_name_list_body): New nonterminals.
2997         * script.cc (script_add_extern): Define.
2998         * script-c.h (script_add_extern): Declare.
2999
3000 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
3001
3002         * object.cc (is_elf_object): Define.
3003         * object.h (is_elf_object): Declare.
3004         * archive.cc (Archive::get_elf_object_for_member): Call
3005         is_elf_object.
3006         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
3007
3008 2009-03-24  Elliott Hughes  <enh@google.com>
3009
3010         * output.cc (Output_file::map_anonymous): Define.
3011         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
3012         try an anonymous one.  Report the size if the mmap fails.
3013         * output.h (class Output_file): Declare map_anonymous.
3014
3015 2009-03-24  Ian Lance Taylor  <iant@google.com>
3016
3017         * target-select.cc (instantiate_target): Don't acquire the lock if
3018         the instantiated_target_ field has already been set.
3019
3020 2009-03-23  Ian Lance Taylor  <iant@google.com>
3021
3022         * gold-threads.h (class Initialize_lock): Define.
3023         * gold-threads.cc (class Initialize_lock_once): Define.
3024         (initialize_lock_control): New static variable.
3025         (initialize_lock_pointer): New static variable.
3026         (initialize_lock_once): New static function.
3027         (Initialize_lock::Initialize_lock): Define.
3028         (Initialize_lock::initialize): Define.
3029         * target-select.h: Include "gold-threads.h".
3030         (class Target_selector): Add lock_ and initialize_lock_ fields.
3031         Don't define instantiate_target, just declare it.
3032         * target-select.cc (Target_selector::Target_selector): Initialize
3033         new fields.
3034         (Target_selector::instantiate_target): Define.
3035         * descriptors.h: Include "gold-threads.h".
3036         (class Descriptors): Add initialize_lock_ field.
3037         * descriptors.cc (Descriptors::Descriptors): Initialize new
3038         field.
3039         (Descriptors::open): Use initialize_lock_ field
3040         * errors.h (class Errors): Add initialize_lock_ field.
3041         * errors.cc (Errors::Errors): Initialize new field.
3042         (Errors::initialize_lock): Use initialize_lock_ field.
3043         * powerpc.cc (class Target_selector_powerpc): Remove
3044         instantiated_target_ field.  In do_recognize call
3045         instantiate_target rather than do_instantiate_target.  In
3046         do_instantiate_target just allocate a new target.
3047         * sparc.cc (class Target_selector_sparc): Likewise.
3048
3049         * freebsd.h: New file.
3050         * i386.cc: Include "freebsd.h".
3051         (Target_i386): Derive from Target_freebsd rather than
3052         Sized_target.
3053         (Target_selector_i386): Derive from Target_selector_freebsd rather
3054         than Target_selector.
3055         * x86_64.cc: Include "freebsd.h".
3056         (Target_x86_64): Derive from Target_freebsd rather than
3057         Sized_target.
3058         (Target_selector_x86_64): Derive from Target_selector_freebsd
3059         rather than Target_selector.
3060         * target.h (class Target): Add adjust_elf_header and
3061         do_adjust_elf_header.
3062         * output.cc (Output_file_header:: do_sized_write): Call target
3063         adjust_elf_header routine.
3064         * configure.tgt: Set targ_osabi.
3065         * configure.ac: Define GOLD_DEFAULT_OSABI.
3066         * parameters.cc (Parameters::default_target): Pass
3067         GOLD_DEFAULT_OSABI to select_target.
3068         * target-select.h (class Target_selector): Make instantiate_target
3069         protected rather than private.
3070         * Makefile.am (HFILES): Add freebsd.h.
3071         * configure, Makefile.in, config.in: Rebuild.
3072
3073         * merge.cc (do_add_input_section): Correct pend value.  Change
3074         message about last entry not being null terminated from error to
3075         warning.
3076
3077 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
3078
3079         * incremental.cc: New file.
3080         * Makefile.am (CCFILES): Add incremental.cc.
3081         * Makefile.in: Rebuild.
3082
3083 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
3084
3085         * layout.cc (Layout::output_section_name): Preserve names
3086         of '.note.' sections.
3087
3088 2009-03-19  Ian Lance Taylor  <iant@google.com>
3089
3090         * descriptors.cc (Descriptors::open): Check that the options are
3091         valid before using them.
3092
3093 2009-03-18  Ian Lance Taylor  <iant@google.com>
3094
3095         * script-sections.h: Include <list>.
3096         (class Script_sections): Change Sections_elements from std::vector
3097         to std::list.  Typedef public Elements_iterator.  Add
3098         orphan_section_placement_, data_segment_align_start_, and
3099         saw_data_segment_align_ fields.  Remove data_segment_align_index_
3100         field.
3101         * script-sections.cc (class Orphan_section_placement): New class.
3102         (class Sections_element): Add virtual functions is_relro and
3103         orphan_section_init.  Remove virtual function place_orphan_here.
3104         (class Output_section_definition): Add is_relro and
3105         orphan_section_init.  Remove place_orphan_here.
3106         (class Orphan_output_section): Likewise.
3107         (Script_sections::Script_sections): Update for field changes.
3108         (Script_sections::data_segment_align): Set saw_data_segment_align_
3109         and data_segment_align_start_, not data_segment_align_index.
3110         (Script_sections::data_segment_relro_end): Check
3111         saw_data_segment_align_.  Use data_segment_align_start_ rather
3112         than data_segment_align_index_.
3113         (Script_sections::place_orphan): Rewrite to use
3114         Orphan_section_placement.
3115
3116 2009-03-17  Ian Lance Taylor  <iant@google.com>
3117
3118         * archive.cc (Archive::add_symbols): Check for a version attached
3119         to the symbol name in the archive map.
3120         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
3121         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
3122         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
3123         (ver_test_11.a): New target.
3124         * testsuite/Makefile.in: Rebuild.
3125
3126         * configure.ac: Check for chsize and posix_fallocate.  Replace
3127         ftruncate.
3128         * ftruncate.c: New file, from gnulib.
3129         * output.cc (posix_fallocate): Define dummy version if not
3130         HAVE_POSIX_FALLOCATE.
3131         (Output_file::map): Call posix_fallocate rather than lseek and
3132         write.
3133         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
3134         * configure, Makefile.in, config.in: Rebuild.
3135
3136 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
3137
3138         * layout.h (Layout::create_note): Add section_name parameter.
3139         * layout.cc (Layout::create_note): Likewise.
3140         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3141
3142 2009-03-17  Ian Lance Taylor  <iant@google.com>
3143
3144         * descriptors.cc: Include "options.h".
3145         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3146         (Descriptors::open): Always use O_CLOEXEC when opening a new
3147         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
3148         then set FD_CLOEXEC.
3149
3150         * sparc.cc (class Target_sparc): Add has_got_section.
3151         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
3152         make sure we have a GOT section.
3153
3154         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
3155         (Target_sparc::Scan::local): Likewise.
3156         (Target_sparc::Scan::global): Likewise.
3157         (Target_sparc::Relocate::relocate): Likewise.
3158         (Target_sparc::Relocate::relocate_tls): Likewise.
3159
3160         * symtab.cc (Symbol_table::define_default_version): New function,
3161         broken out of add_from_object.
3162         (Symbol_table::add_from_object): Call define_default_version.
3163         (Symbol_table::define_special_symbol): Add resolve_oldsym
3164         parameter.  Change all callers.  If the version for a symbol comes
3165         from a version script, resolve it with the symbol with the same
3166         name with no version.  Also add the symbol without a version if
3167         appropriate.
3168         (do_define_in_output_data): If resolving with oldsym, don't delete
3169         sym.
3170         (do_define_in_output_segment): Likewise.
3171         (do_define_as_constant): Likewise.
3172         * symtab.h (class Symbol_table): Update declarations.
3173
3174 2009-03-13  Ian Lance Taylor  <iant@google.com>
3175
3176         * readsyms.cc (Read_symbols::incompatible_warning): New function.
3177         (Read_symbols::requeue): New function.
3178         (Read_symbols::do_read_symbols): If make_elf_object fails because
3179         the target type is not configured, and the file was searched for,
3180         issue a warning and retry with the next directory.
3181         (Add_symbols::run): If the file has an incompatible format, and
3182         it was searched for, requeue the Read_symbols task.  On error,
3183         release the object.
3184         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
3185         dirindex parameter to constructor.  Change all callers.  Declare
3186         incompatible_warning and requeue.
3187         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3188         input_argument_ and input_group_ fields.  Add them to
3189         constructor.  Change all callers.
3190         (class Read_script): Add dirindex_ field.  Add it to constructor.
3191         Change all callers.
3192         * archive.cc (Archive::setup): Remove input_objects parameter.
3193         Change all callers.
3194         (Archive::get_file_and_offset): Likewise.
3195         (Archive::read_all_symbols): Likewise.
3196         (Archive::read_symbols): Likewise.
3197         (Archive::get_elf_object_for_member): Remove input_objects
3198         parameter.  Add punconfigured parameter.  Change all callers.
3199         (Archive::add_symbols): Change return type to bool.  Check return
3200         value of include_member.
3201         (Archive::include_all_members): Likewise.
3202         (Archive::include_member): Change return type to bool.  Return
3203         false if first included object has incompatible target.  Set
3204         included_member_ field.
3205         (Add_archive_symbols::run): If add_symbols returns false, requeue
3206         Read_symbols task.
3207         * archive.h (class Archive): Add included_member_ field.
3208         Initialize it in constructor.  Add input_file and searched_for
3209         methods.  Update declarations.
3210         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3211         input_argument_ fields.  Add them to constructor.  Change all
3212         callers.
3213         * script.cc: Include "target-select.h".
3214         (class Parser_closure): Add skip_on_incompatible_target_ and
3215         found_incompatible_target_ fields.  Add
3216         skip_on_incompatible_target parameter to constructor.  Change all
3217         callers.  Add methods skip_on_incompatible_target,
3218         clear_skip_on_incompatible_target, found_incompatible_target, and
3219         set_found_incompatible_target.
3220         (read_input_script): Add dirindex parameter.  Change all callers.
3221         If parser finds an incompatible target, requeue Read_symbols
3222         task.
3223         (script_set_symbol): Clear skip_on_incompatible_target in
3224         closure.
3225         (script_add_assertion, script_parse_option): Likewise.
3226         (script_start_sections, script_add_phdr): Likewise.
3227         (script_check_output_format): New function.
3228         * script.h (read_input_script): Update declaration.
3229         * script-c.h (script_check_output_format): Declare.
3230         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3231         (ignore_cmd): Remove OUTPUT_FORMAT.
3232         * fileread.cc (Input_file::Input_file): Add explicit this.
3233         (Input_file::will_search_for): New function.
3234         (Input_file::open): Add pindex parameter.  Change all callers.
3235         * fileread.h (class Input_file): Add input_file_argument method.
3236         Declare will_search_for.  Update declarations.
3237         * object.cc (make_elf_object): Add punconfigured parameter.
3238         Change all callers.
3239         * object.h (class Object): Make input_file public.  Add
3240         searched_for method.
3241         (make_elf_object): Update declaration.
3242         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
3243         restart search.
3244         * dirsearch.h (class Dirsearch): Update declaration.
3245         * options.h (class General_options): Add --warn-search-mismatch.
3246         * parameters.cc (Parameters::is_compatible_target): New function.
3247         * parameters.h (class Parameters): Declare is_compatible_target.
3248         * workqueue.cc (Workqueue::add_blocker): New function.
3249         * workqueue.h (class Workqueue): Declare add_blocker.
3250
3251         * fileread.cc (Input_file::open): Remove options parameter.
3252         Change all callers.
3253         (Input_file::open_binary): Likewise.
3254         * script.cc (read_input_script): Likewise.
3255         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
3256         options parameter from constructor.  Change all callers.
3257         (class Read_script): Likewise.
3258         * fileread.h (class Input_file): Update declarations.
3259         * script.h (read_input_script): Update declaration.
3260
3261 2009-03-10  Nick Clifton  <nickc@redhat.com>
3262
3263         * po/es.po: New Spanish translation.
3264
3265 2009-03-06  Cary Coutant  <ccoutant@google.com>
3266
3267         * options.cc (parse_short_option): Keep dash_z from registering itself.
3268
3269 2009-03-03  Ian Lance Taylor  <iant@google.com>
3270
3271         PR 9918
3272         * target-reloc.h (relocate_section): Pass output_section to
3273         relocate.
3274         * i386.cc (Target_i386::should_apply_static_reloc): Add
3275         output_section parameter.  Change all callers.
3276         (Target_i386::Relocate::relocate): Add output_section parameter.
3277         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3278         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3279         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3280         * testsuite/two_file_shared.sh: New script.
3281         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
3282         (check_DATA): Add two_file_shared.dbg.
3283         (two_file_shared.dbg): New target.
3284         * testsuite/Makefile.in: Rebuild.
3285
3286 2009-03-01  Ian Lance Taylor  <iant@google.com>
3287
3288         * configure.ac: Check for byteswap.h.
3289         * configure: Rebuild.
3290         * config.in: Rebuild.
3291
3292 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
3293
3294         * layout.cc (Layout::find_or_add_kept_section): New function.
3295         (Layout::add_comdat): Removed.
3296         * layout.h (struct Kept_section): Move out of class Layout.
3297         Remove trailing underscores from field names.  Add group_sections
3298         field.  Rename group_ field to is_group.  Change all uses.
3299         (class Layout): Declare find_or_add_kept_section, not add_comdat.
3300         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
3301         comdat_groups_ field.
3302         (Sized_relobj::include_section_group): Use
3303         find_or_add_kept_section and Kept_section::group_sections.
3304         (Sized_relobj::include_linkonce_section): Likewise.
3305         * object.cc (class Sized_relobj): Don't define Comdat_group or
3306         Comdat_group_table.  Remove find_comdat_group and
3307         add_comdat_group.  Remove comdat_groups_ field.
3308         * plugin.cc (include_comdat_group): Use
3309         Layout::find_or_add_kept_section.
3310
3311 2009-02-28  Ian Lance Taylor  <iant@google.com>
3312
3313         * README: --gc-sections and map files are now supported.  Document
3314         some build requirements.
3315
3316         PR 6992
3317         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
3318         relocatable link set the value of the section symbol to zero.
3319         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
3320         relocatable link don't include the section address in the local
3321         symbol value.
3322
3323 2009-02-27  Ian Lance Taylor  <iant@google.com>
3324
3325         PR 6811
3326         * options.h (class Search_directory): Add is_system_directory.
3327         (class General_options): Declare is_in_system_directory.
3328         * options.cc (get_relative_sysroot): Make static.
3329         (get_default_sysroot): Make static.
3330         (General_optoins::is_in_system_directory): New function.
3331         * fileread.cc (Input_file::is_in_system_directory): New function.
3332         * fileread.h (class Input_file): Declare is_in_system_directory.
3333         * object.h (class Object): Add is_in_system_directory.
3334         (class Input_objects): Remove system_library_directory_ field.
3335         * object.cc (Input_objects::add_object): Don't set
3336         system_library_directory_.
3337         (input_objects::found_in_system_library_directory): Remove.
3338         * symtab.cc (Symbol_table::write_globals): Remove input_objects
3339         parameter.  Change all callers.
3340         (Symbol_table::sized_write_globals): Likewise.
3341         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
3342         Call Object::is_in_system_directory.
3343         * symtab.h (class Symbol_table): Update declarations.
3344
3345         PR 5990
3346         * descriptors.h (Open_descriptor): Add is_on_stack field.
3347         * descriptors.cc (Descriptors::open): If the descriptor is on the
3348         top of the stack, remove it.  Initialize is_on_stack field.
3349         (Descriptors::release): Only add pod to stack if it is not on the
3350         stack already.
3351         (Descriptors::close_some_descriptor): Clear stack_next and
3352         is_on_stack fields.
3353
3354         PR 7091
3355         * output.cc (Output_section::find_starting_output_address): Rename
3356         from starting_output_address; add PADDR parameter; change return
3357         type.
3358         * output.h (class Output_section): Declare
3359         find_starting_output_address instead of starting_output_address.
3360         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
3361         section symbol for which we can't find a merge section.
3362
3363         PR 9836
3364         * symtab.cc (Symbol_table::add_from_object): If the visibility is
3365         hidden or internal, force the symbol to be local.
3366         * resolve.cc (Symbol::override_visibility): Define.
3367         (Symbol::override_base): Use override_visibility.
3368         (Symbol_table::resolve): Likewise.
3369         (Symbol::override_base_with_special): Likewise.
3370         (Symbol_table::override_with_special): If the visibility is hidden
3371         or internal, force the symbol to be local.
3372         * symtab.h (class Symbol): Add set_visibility and
3373         override_visibility.
3374         * testsuite/ver_test_1.sh: New file.
3375         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
3376         (check_DATA): Add ver_test_1.syms.
3377         (ver_test_1.syms): New target.
3378         * testsuite/Makefile.in: Rebuild.
3379
3380 2009-02-25  Cary Coutant  <ccoutant@google.com>
3381
3382         * layout.cc (Layout::choose_output_section): Don't rename sections
3383         when using a linker script that has a SECTIONS clause.
3384         * Makefile.in: Regenerate.
3385
3386         * testsuite/Makefile.am (script_test_5.sh): New test case.
3387         * testsuite/Makefile.in: Regenerate.
3388         * testsuite/script_test_5.cc: New file.
3389         * testsuite/script_test_5.sh: New file.
3390         * testsuite/script_test_5.t: New file.
3391
3392 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
3393
3394         * archive.cc (Archive::include_member): Update calls to add_symbols.
3395         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
3396         the Layout argument.
3397         * dynobj.h (do_add_symbols): Add the Layout argument.
3398         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
3399         Layout argument.
3400         * object.h (Object::add_symbols): Add the Layout argument.
3401         (Object::do_add_symbols): Add the Layout argument.
3402         (Sized_relobj::do_add_symbols): Add the Layout argument.
3403         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
3404         Unify the two versions.
3405         (Add_plugin_symbols): Remove.
3406         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
3407         (Sized_pluginobj::do_add_symbols): Unify the two versions.
3408         (Add_plugin_symbols): Remove.
3409         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
3410         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
3411         (Add_symbols::run): Make it work with Pulginobj.
3412
3413 2009-02-06  Ian Lance Taylor  <iant@google.com>
3414
3415         * object.cc (Sized_relobj::do_layout): Make info message start
3416         with lower case letter.
3417
3418 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
3419
3420         * binary.cc: Fix file comment.
3421
3422         * options.h (enum Incremental_disposition): Define.
3423         (class General_options): Add new options: --incremental,
3424         --incremental_changed, --incremental_unchanged,
3425         --incremental_unknown.  Add incremental_disposition_ and
3426         implicit_incremental_ fields.
3427         (General_options::incremental_disposition): New function.
3428         (class Position_dependent_options): Add incremental_disposition
3429         option.
3430         (Position_dependent_options::copy_from_options): Set incremental
3431         dispositions.
3432         * options.cc (General_options::parse_incremental_changed): New
3433         function.
3434         (General_options::parse_incremental_unchanged): New function.
3435         (General_options::parse_incremental_unknown): New function.
3436         (General_options::General_options): Initialize new fields
3437         incremental_disposition_ and implicit_incremental_.
3438         (General_options::finalize): Check for uasge of --incremental-*
3439         without --incremental.
3440
3441 2009-02-06  Chris Demetriou  <cgd@google.com>
3442
3443         * gold.h (gold_undefined_symbol): Change to take only a Symbol
3444         pointer and to report location as the file name associated with
3445         the symbol.
3446         (gold_undefined_symbol_at_location): New function to replace the
3447         old gold_undefined_symbol functionality.
3448         * target-reloc.h (relocate_section): Update to use
3449         gold_undefined_symbol_at_location.
3450         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3451         Call gold_undefined_symbol function rather than gold_error.
3452         * errors.h (Errors::undefined_symbol): Take location as a
3453         string, rather than calculating it from a relocation.
3454         * errors.cc (Errors::fatal): Print "fatal error:" before the
3455         formatted message.
3456         (Errors::error, Errors::error_at_location): Print "error: "
3457         before the formatted message.
3458         (Errors::undefined_symbol): Take location as a string, rather
3459         than calculating it from a relocation.
3460         (gold_undefined_symbol_at_location): New function akin to
3461         old gold_undefined_symbol, calculates location from relocation.
3462         (gold_undefined_symbol): Change to take only a Symbol pointer
3463         and to report location as the file name associated with the symbol.
3464         * testsuite/debug_msg.sh: Update for changed error messages.
3465         * testsuite/undef_symbol.sh: Likewise.
3466
3467 2009-02-04  Duncan Sands  <baldrick@free.fr>
3468
3469         PR 9812
3470         * reduced_debug_output.h
3471         (Output_reduced_debug_abbrev_section::failed): Use format for
3472         gold_warning.
3473         (Output_reduced_debug_info_section::faild): Likewise.
3474
3475 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
3476
3477         * script.cc (Lazy_demangler): New class.
3478         (Version_script_info::get_symbol_version_helper): Demangle a
3479         symbol only once.
3480
3481 2009-01-29  Cary Coutant  <ccoutant@google.com>
3482
3483         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3484         to __tls_get_addr.
3485         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3486
3487 2009-01-28  Ian Lance Taylor  <iant@google.com>
3488
3489         * version.cc (version_string): Bump to 1.9.
3490
3491         * gold.h: Include <cstring> and <stdint.h>.
3492         * version.cc: Include <cstdio>.
3493         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3494         warning.
3495         * reduced_debug_output.cc (insert_into_vector): Rename from
3496         Insert_into_vector; change all callers.  Use Swap_unaligned to
3497         avoid aliasing issue; remove union since it is unnecessary.
3498
3499 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
3500
3501         * Makefile.am (CCFILES): Add gc.cc.
3502         (HFILES): Add gc.h.
3503         * Makefile.in: Regenerate.
3504         * gold.cc (Gc_runner): New class.
3505         (queue_initial_tasks): Call garbage collection related tasks
3506         when corresponding options are invoked.
3507         (queue_middle_gc_tasks): New function.
3508         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3509         processed early before laying out sections during garbage collection.
3510         * gold.h (queue_middle_gc_tasks): New function.
3511         (is_prefix_of): Move from "layout.cc".
3512         * i386.cc (Target_i386::gc_process_relocs): New function.
3513         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3514         * main.cc (main): Create object of class "Garbage_collection".
3515         * object.cc (Relobj::copy_symbols_data): New function.
3516         (Relobj::is_section_name_included): New function.
3517         (Sized_relobj::do_layout): Allow this function to be called twice
3518         during garbage collection and defer layout of section during the
3519         first call.
3520         * object.h (Relobj::get_symbols_data): New function.
3521         (Relobj::is_section_name_included): New function.
3522         (Relobj::copy_symbols_data): New function.
3523         (Relobj::set_symbols_data): New function.
3524         (Relobj::get_relocs_data): New function.
3525         (Relobj::set_relocs_data): New function.
3526         (Relobj::is_output_section_offset_invalid): New pure virtual function.
3527         (Relobj::gc_process_relocs): New function.
3528         (Relobj::do_gc_process_relocs): New pure virtual function.
3529         (Relobj::sd_): New data member.
3530         (Sized_relobj::is_output_section_offset_invalid): New function.
3531         (Sized_relobj::do_gc_process_relocs): New function.
3532         * options.h (General_options::gc_sections): Modify to not be a no-op.
3533         (General_options::print_gc_sections): New option.
3534         * plugin.cc (Plugin_finish::run): Remove function call to
3535         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
3536         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3537         * reloc.cc (Read_relocs::run): Add task to process relocs and
3538         determine unreferenced sections when doing garbage collection.
3539         (Gc_process_relocs): New class.
3540         (Sized_relobj::do_gc_process_relocs): New function.
3541         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3542         sections that are garbage collected.
3543         * reloc.h (Gc_process_relocs): New class.
3544         * sparc.cc (Target_sparc::gc_process_relocs): New function.
3545         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3546         symbols whose corresponding sections are garbage collected.
3547         (Symbol_table::Symbol_table): Add new parameter for the garbage
3548         collection object.
3549         (Symbol_table::gc_mark_undef_symbols): New function.
3550         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3551         (Symbol_table::gc_mark_dyn_syms): New function.
3552         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3553         as garbage.
3554         (Symbol_table::add_from_object): Likewise.
3555         (Symbol_table::add_from_relobj): When building shared objects, do not
3556         treat externally visible symbols as garbage.
3557         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3558         table information for static and relocatable links.
3559         * symtab.h (Symbol_table::set_gc): New function.
3560         (Symbol_table::gc): New function.
3561         (Symbol_table::gc_mark_undef_symbols): New function.
3562         (Symbol_table::gc_mark_symbol_for_shlib): New function.
3563         (Symbol_table::gc_mark_dyn_syms): New function.
3564         (Symbol_table::gc_): New data member.
3565         * target.h (Sized_target::gc_process_relocs): New pure virtual
3566         function.
3567         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3568         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3569
3570 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
3571
3572         * options.h (General_options::gc_sections): Define as a no-op for now.
3573         (General_options::no_keep_memory): Ditto.
3574         (General_options::Bshareable): Define.
3575         * options.cc (General_options::finalize): Honor -Bshareable.
3576
3577 2009-01-20  Andreas Schwab  <schwab@suse.de>
3578
3579         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3580         read the value in the contents, since we don't use it.  Use the
3581         template endianness when writing.
3582         (Relocate::relocate): Use it for R_PPC_REL16_HA.
3583
3584 2009-01-19  Andreas Schwab  <schwab@suse.de>
3585
3586         * configure.tgt (powerpc64-*): Fix targ_obj.
3587
3588 2009-01-15  Ian Lance Taylor  <iant@google.com>
3589
3590         * object.cc (Sized_relobj::write_local_symbols): Don't write out
3591         local symbols when stripping all symbols.
3592
3593 2009-01-14  Cary Coutant  <ccoutant@google.com>
3594
3595         * output.cc (Output_reloc): Add explicit instantiations.
3596
3597 2009-01-14  Cary Coutant  <ccoutant@google.com>
3598
3599         * archive.cc (Archive::get_elf_object_for_member): Remove call
3600         to File_read::claim_for_plugin.
3601         * descriptors.cc (Descriptors::open): Remove reference to
3602         is_claimed.
3603         (Descriptors::claim_for_plugin): Remove.
3604         * descriptors.h (Descriptors::claim_for_plugin): Remove.
3605         (Descriptors::is_claimed): Remove.
3606         (claim_descriptor_for_plugin): Remove.
3607         * fileread.cc (File_read::claim_for_plugin): Remove.
3608         * fileread.h (File_read::claim_for_plugin): Remove.
3609         (File_read::descriptor): Reopen descriptor if necessary.
3610         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
3611         (Plugin_manager::all_symbols_read): Add task parameter. Change
3612         all callers.
3613         (Plugin_manager::get_input_file): New function.
3614         (Plugin_manager::release_input_file): New function.
3615         (Pluginobj::Pluginobj): Add filesize parameter and initialize
3616         corresponding data member.
3617         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3618         and pass to base constructor. Change all callers.
3619         (get_input_file, release_input_file): New functions.
3620         (make_sized_plugin_object): Add filesize parameter. Change all callers.
3621         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3622         (Plugin_manager::all_symbols_read): Add task parameter.
3623         (Plugin_manager::get_input_file): New function.
3624         (Plugin_manager::release_input_file): New function.
3625         (Plugin_manager::task_): New data member.
3626         (Pluginobj::Pluginobj): Add filesize parameter.
3627         (Pluginobj::filename): New function.
3628         (Pluginobj::descriptor): New function.
3629         (Pluginobj::filesize): New function.
3630         (Pluginobj::filesize_): New data member.
3631         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3632         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3633         File_read::claim_for_plugin; use Object::unlock to unlock the file.
3634
3635         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3636         with archive libraries.
3637         * testsuite/Makefile.in: Regenerate.
3638         * testsuite/plugin_test.c (struct sym_info): New type.
3639         (get_input_file, release_input_file): New static variables.
3640         (onload): Capture new transfer vector entries.
3641         (claim_file_hook): Stop reading at end of file according to filesize.
3642         Factor out parsing of readelf output into separate function.
3643         (all_symbols_read_hook): Exercise get_input_file and release_input_file
3644         APIs and get the source file name from the symbol table.  Convert
3645         source file name to corresponding object file name.  Print info
3646         message when adding new input files.
3647         (parse_readelf_line): New function.
3648         * testsuite/plugin_test_1.sh: Add checks for new info messages.
3649         * testsuite/plugin_test_2.sh: Likewise.
3650         * testsuite/plugin_test_3.sh: Likewise.
3651         * testsuite/plugin_test_4.sh: New test case.
3652
3653 2009-01-07  Ian Lance Taylor  <iant@google.com>
3654
3655         * version.cc (version_string): Bump to 1.8.
3656
3657 2008-12-23  Cary Coutant  <ccoutant@google.com>
3658
3659         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3660         * plugin.cc (Plugin_manager::finish): Rename as
3661         layout_deferred_objects.  Move cleanup to separate function.
3662         (Plugin_manager::cleanup): New function.
3663         (Plugin_finish::run): Call layout_deferred_objects and cleanup
3664         separately.
3665         * plugin.h (Plugin_manager::finish): Rename as
3666         layout_deferred_objects.
3667         (Plugin_manager::cleanup): New function.
3668         (Plugin_manager::cleanup_done): New field.
3669
3670 2008-12-23  Cary Coutant  <ccoutant@google.com>
3671
3672         * plugin.cc (is_visible_from_outside): New function.
3673         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3674         so we don't return "IR only" status for exported symbols or -r links.
3675
3676         * testsuite/Makefile.am (plugin_test_3): New test case.
3677         * testsuite/Makefile.in: Regenerate.
3678         * testsuite/plugin_test_3.sh: New file.
3679
3680 2008-12-22  Cary Coutant  <ccoutant@google.com>
3681
3682         * object.cc (Sized_relobj::layout_section): New function.
3683         (Sized_relobj::do_layout): Defer layout of input sections until after
3684         plugin has provided replacement files.
3685         (Sized_relobj::do_layout_deferred_sections): New function.
3686         * object.h (Relobj::set_section_offset): Remove virtual keyword.
3687         (Relobj::layout_deferred_sections): New function.
3688         (Relobj::do_layout_deferred_sections): New function.
3689         (Sized_relobj::do_layout_deferred_sections): New function.
3690         (Sized_relobj::layout_section): New function.
3691         (Sized_relobj::Deferred_layout): New structure.
3692         (Sized_relobj::deferred_layout_): New field.
3693         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3694         Change all callers.  Layout deferred sections.
3695         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
3696         references.
3697         (Plugin_hook::run): Move code from do_plugin_hook inline.
3698         (Plugin_hook::do_plugin_hook): Remove.
3699         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3700         (Plugin_manager::finish): Renamed, was cleanup.
3701         (Plugin_manager::should_defer_layout): New function.
3702         (Plugin_manager::add_deferred_layout_object): New function.
3703         (Plugin_manager::Deferred_layout_list): New type.
3704         (Plugin_manager::deferred_layout_objects_): New field.
3705         (Plugin_hook::do_plugin_hook): Remove.
3706
3707 2008-12-17  Ian Lance Taylor  <iant@google.com>
3708
3709         * options.h (class General_options): Add --no case for
3710         --export-dynamic.
3711
3712 2008-12-16  Cary Coutant  <ccoutant@google.com>
3713
3714         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3715         vector.
3716         (Plugin_manager::claim_file): Create plugin object even if
3717         plugin did not call the add_symbols callback.
3718         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3719         asking for more symbols than were added.
3720         * testsuite/Makefile.am (plugin_test_1): Add test case with
3721         no global symbols.
3722         (empty.syms): New target.
3723         * testsuite/Makefile.in: Regenerate.
3724         * testsuite/plugin_test.c (claim_file_hook): Add new debug
3725         message. Don't call add_symbols if no globals.
3726         (all_symbols_read_hook): Don't provide replacement for empty
3727         claimed file.
3728
3729 2008-12-12  Ian Lance Taylor  <iant@google.com>
3730
3731         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3732         r_type == 0 for a local symbol with r_sym == 0.
3733         (scan_relocatable_relocs): Pass r_sym to
3734         local_non_section_strategy.
3735         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3736         r_sym parameter.
3737
3738         * configure.ac: Update test for TLS descriptors: they are
3739         supported as of glibc 2.9.
3740         * configure: Rebuild.
3741
3742 2008-12-11  Ian Lance Taylor  <iant@google.com>
3743
3744         PR 7091
3745         * target-reloc.h (Default_scan_relocatable_relocs): For each
3746         function, map r_type == 0 to RELOC_DISCARD.
3747
3748 2008-12-10  Cary Coutant  <ccoutant@google.com>
3749
3750         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3751         object to override a kept COMDAT group from a plugin object.
3752
3753 2008-12-09  Ian Lance Taylor  <iant@google.com>
3754
3755         PR 7088
3756         * yyscript.y (file_cmd): Handle INPUT.
3757
3758         * testsuite/initpri1.c: Change all declarations to be full
3759         prototypes by adding void, to avoid compiler warnings.
3760
3761 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
3762
3763         * options.cc (General_options::parse_plugin_opt): New.
3764         (General_options::add_plugin): The argument now is just the filename.
3765         (General_options::add_plugin_option): New.
3766         * options.h (plugin_opt): New.
3767         (add_plugin): Change argument name.
3768         (add_plugin_option): New.
3769         * plugin.cc (Plugin::load): Don't parse the plugin option.
3770         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3771         (Plugin::add_option): New.
3772         (Plugin::args_): Change type.
3773         (Plugin::filename_): New.
3774         (Plugin_manager::add_plugin_option): New.
3775         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3776         * testsuite/Makefile.in: Regenerate.
3777
3778 2008-12-05  Cary Coutant  <ccoutant@google.com>
3779
3780         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3781         Handle --strip-lto-sections option.
3782         * options.h (strip_lto_sections): New option.
3783
3784 2008-12-01  Cary Coutant  <ccoutant@google.com>
3785
3786         * plugin.cc (ld_plugin_message): Change format parameter to const.
3787         Fix mismatch between new[] and delete.
3788
3789 2008-11-14  Cary Coutant  <ccoutant@google.com>
3790
3791         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3792         instead of -1U.
3793
3794 2008-11-05  Craig Silverstein  <csilvers@google.com>
3795
3796         * options.cc (General_options::parse_dynamic_list): New function.
3797         * options.h (General_options): New flags dynamic_list,
3798         dynamic_list_data, dynamic_list_cpp_new, and
3799         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
3800         (General_options::in_dynamic_list): New function.
3801         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3802         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3803         (Lex::can_continue_name): Likewise.
3804         (yylex): Likewise.
3805         (read_script_file): New parameter script_options.
3806         (read_dynamic_list): New function.
3807         (Script_options::define_dynamic_list): New function.
3808         (dynamic_list_keyword_parsecodes): New variable.
3809         (dynamic_list_keywords): New variable.
3810         * script.h (Script_options::define_dynamic_list): New function
3811         prototype.
3812         (read_dynamic_list): New function prototype.
3813         * symtab.cc (strprefix): New macro.
3814         (Symbol::should_add_dynsym_entry): Support dynamic_list,
3815         dynamic_list_data, dynamic_list_cpp_new, and
3816         dynamic_list_cpp_typeinfo.
3817         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3818         (dynamic_list_expr): New rule.
3819         (dynamic_list_nodes): Likewise.
3820         (dynamic_list_node): Likewise.
3821         * testsuite/Makefile.am (dynamic_list): New test.
3822         * testsuite/Makefile.in: Regenerated.
3823         * testsuite/dynamic_list.t: New file.
3824         * testsuite/dynamic_list.sh: New file.
3825
3826 2008-11-05  Craig Silverstein  <csilvers@google.com>
3827
3828         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3829         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3830         (t11_last): Likewise.
3831         * testsuite/ver_test_6.c (main): Likewise.
3832
3833 2008-10-07  Cary Coutant  <ccoutant@google.com>
3834
3835         * options.c (General_options::finalize): Add check for -static and
3836         -shared.
3837         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3838         is not empty.
3839
3840 2008-10-02  Cary Coutant  <ccoutant@google.com>
3841
3842         * plugin.cc (make_sized_plugin_object): Fix conditional
3843         compilation to work when not all targets are enabled.
3844
3845 2008-09-29  Cary Coutant  <ccoutant@google.com>
3846
3847         * archive.cc (Archive::get_file_and_offset): Use filename instead
3848         of name to get library path.
3849         (Archive::include_member): Unlock external member of a thin archive.
3850
3851         * testsuite/Makefile.am (TEST_AR): New variable.
3852         (thin_archive_test_1): New test.
3853         (thin_archive_test_2): New test.
3854         * testsuite/Makefile.in: Regenerate.
3855         * testsuite/thin_archive_main.cc: New file.
3856         * testsuite/thin_archive_test_1.cc: New file.
3857         * testsuite/thin_archive_test_2.cc: New file.
3858         * testsuite/thin_archive_test_3.cc: New file.
3859         * testsuite/thin_archive_test_4.cc: New file.
3860
3861 2008-09-29  Cary Coutant  <ccoutant@google.com>
3862
3863         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3864         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3865         instead of -1U.
3866         (Sized_relobj::do_finalize_local_symbols): Likewise.
3867         (Sized_relobj::map_to_kept_section): Likewise.
3868         * object.h (Sized_relobj::invalid_address): New constant.
3869         (Sized_relobj::do_output_section_offset): Check for invalid_address
3870         and return -1ULL.
3871         * output.cc (Output_reloc::local_section_offset): Use constant
3872         invalid_address instead of -1U.
3873         (Output_reloc::get_address): Likewise.
3874         (Output_section::output_address): Change -1U to -1ULL.
3875         * output.h (Output_reloc::invalid_address): New constant.
3876         * reloc.cc (Sized_relobj::write_sections): Use constant
3877         invalid_address instead of -1U.
3878         (Sized_relobj::relocate_sections): Likewise.
3879         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3880         values for merge sections.
3881         * target-reloc.h (relocate_for_relocatable): Use constant
3882         invalid_address instead of -1U.
3883
3884 2008-09-19  Cary Coutant  <ccoutant@google.com>
3885
3886         Add plugin functionality for link-time optimization (LTO).
3887         * configure.ac (plugins): Add --enable-plugins option.
3888         * configure: Regenerate.
3889         * config.in: Regenerate.
3890         * Makefile.am (LIBDL): New variable.
3891         (CCFILES): Add plugin.cc.
3892         (HFILES): Add plugin.h.
3893         (ldadd_var): Add LIBDL.
3894         * Makefile.in: Regenerate.
3895
3896         * archive.cc: Include "plugin.h".
3897         (Archive::setup): Don't preread archive symbols when using a plugin.
3898         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
3899         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3900         files.
3901         (Archive::include_member): Add symbols from plugin objects.
3902         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3903         * descriptors.cc (Descriptors::open): Check for file descriptors
3904         abandoned by plugins.
3905         (Descriptors::claim_for_plugin): New function.
3906         * descriptors.h (Descriptors::claim_for_plugin): New function.
3907         (Open_descriptor::is_claimed): New field.
3908         (claim_descriptor_for_plugin): New function.
3909         * fileread.cc (File_read::claim_for_plugin): New function.
3910         * fileread.h (File_read::claim_for_plugin): New function.
3911         (File_read::descriptor): New function.
3912         * gold.cc: Include "plugin.h".
3913         (queue_initial_tasks): Add task to call plugin hooks for generating
3914         new object files.
3915         * main.cc: Include "plugin.h".
3916         (main): Load plugin libraries.
3917         * object.h (Pluginobj): Declare.
3918         (Object::pluginobj): New function.
3919         (Object::do_pluginobj): New function.
3920         (Object::set_target): New function.
3921         * options.cc: Include "plugin.h".
3922         (General_options::parse_plugin): New function.
3923         (General_options::General_options): Initialize plugins_ field.
3924         (General_options::add_plugin): New function.
3925         * options.h (Plugin_manager): Declare.
3926         (General_options): Add --plugin option.
3927         (General_options::has_plugins): New function.
3928         (General_options::plugins): New function.
3929         (General_options::add_plugin): New function.
3930         (General_options::plugins_): New field.
3931         * plugin.cc: New file.
3932         * plugin.h: New file.
3933         * readsyms.cc: Include "plugin.h".
3934         (Read_symbols::do_read_symbols): Check for archive before checking
3935         for ELF file.  Call plugin hooks to claim files.
3936         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3937         from a real object file; force override when processing replacement
3938         files.
3939         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3940         (Symbol::init_base_object): Likewise.
3941         (Symbol::init_base_output_data): Likewise.
3942         (Symbol::init_base_output_segment): Likewise.
3943         (Symbol::init_base_constant): Likewise.
3944         (Symbol::init_base_undefined): Likewise.
3945         (Symbol::output_section): Assert that object is not a plugin.
3946         (Symbol_table::add_from_pluginobj): New function.
3947         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3948         undefined.
3949         (Symbol_table::sized_write_globals): Likewise.
3950         (Symbol_table::add_from_pluginobj): Instantiate template.
3951         * symtab.h (Sized_pluginobj): Declare.
3952         (Symbol::in_real_elf): New function.
3953         (Symbol::set_in_real_elf): New function.
3954         (Symbol::in_real_elf_): New field.
3955         (Symbol_table::add_from_pluginobj): New function.
3956
3957         * testsuite/Makefile.am (AM_CFLAGS): New variable.
3958         (LIBDL): New variable.
3959         (LDADD): Add LIBDL.
3960         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3961         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3962         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3963         (MOSTLYCLEANFILES): Likewise.
3964         * testsuite/Makefile.in: Regenerate.
3965         * testsuite/plugin_test.c: New file.
3966         * testsuite/plugin_test_1.sh: New file.
3967         * testsuite/plugin_test_2.sh: New file.
3968
3969 2008-09-16  Ian Lance Taylor  <iant@google.com>
3970
3971         * target-reloc.h (relocate_section): Check whether a symbol is
3972         defined by the ABI before reporting an undefined symbol error.
3973         * target.h (Target::is_defined_by_abi): Make parameter const.
3974         (Target::do_is_defined_by_abi): Likewise.
3975         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3976         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3977         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3978         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3979         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3980         * testsuite/Makefile.in: Rebuild.
3981
3982         * fileread.cc (make_view): Add casts to avoid warning.
3983
3984 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3985
3986         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3987         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3988
3989 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
3990
3991         * options.h (General_options::output_is_executable): New.
3992         (General_options::output_is_pie): New.
3993         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3994         for shared libraries.
3995         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3996
3997 2008-09-11  Chris Demetriou  <cgd@google.com>
3998
3999         * options.h (origin): New -z option.
4000         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
4001         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
4002         in DT_FLAGS_1.
4003
4004 2008-09-05  Cary Coutant  <ccoutant@google.com>
4005
4006         * fileread.cc (File_read::make_view): Add check for attempt to map
4007         beyond end of file.
4008
4009 2008-09-05  Cary Coutant  <ccoutant@google.com>
4010
4011         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
4012         explicit instantiations.
4013
4014 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
4015
4016         PR gold/6858
4017         * options.cc (General_options::finalize): Allow undefined symbols
4018         in shlibs if linking -shared.
4019
4020         PR gold/6859
4021         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
4022         symbols as not needing a dynsym entry.
4023
4024 2008-08-20  Craig Silverstein  <csilvers@google.com>
4025
4026         * fileread.cc (File_read::open): Do not lock the file unless it
4027         was successfully opened.
4028
4029 2008-08-14  Cary Coutant  <ccoutant@google.com>
4030
4031         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
4032         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
4033         * testsuite/tls_test.cc (struct int128): 128-bit struct
4034         for testing TLS relocs with non-zero addend.
4035         (v12): New TLS variable.
4036         (t12): New test.
4037         (t_last): Add check for v12.
4038         * testsuite/tls_test.h (t12): New function.
4039         * testsuite/tls_test_main.cc (thread_routine): Call new test.
4040
4041 2008-08-13  Ian Lance Taylor  <iant@google.com>
4042
4043         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
4044         set tls_segment_ or relro_segment_.
4045         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
4046         when appropriate.
4047         * output.h (Output_section::clear_is_relro): New function.
4048         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
4049         sections specially even when output_data_ is empty.
4050         (Output_segment::maximum_alignment): When first section is relro,
4051         only force alignment for PT_LOAD segments.
4052         * script.cc (script_data_segment_align): New function.
4053         (script_data_segment_relro_end): New function.
4054         * script-c.h (script_data_segment_align): Declare.
4055         (script_data_segment_relro_end): Declare.
4056         * script-sections.h (class Script_sections): Declare
4057         data_segment_align and data_segment_relro_end.  Add fields
4058         segment_align_index_ and saw_relro_end_.
4059         * script-sections.cc (class Sections_element): Add set_is_relro
4060         virtual function.  Add new bool* parameter to place_orphan_here.
4061         Add get_output_section virtual function.
4062         (class Output_section_definition): Add set_is_relro.  Add new
4063         bool* parameter to place_orphan_here.  Add get_output_section.
4064         Add is_relro_ field.
4065         (Output_section_definition::Output_section_definition): Initialize
4066         evaluated_address_, evaluated_load_address, evaluated_addralign_,
4067         and is_relro_ fields.
4068         (Output_section_definition::place_orphan_here): Add is_relro
4069         parameter.
4070         (Output_section_definition::set_section_addresses): Set relro for
4071         output section.
4072         (Output_section_definition::alternate_constraint): Likewise.
4073         (class Orphan_output_section): Add new bool* parameter to
4074         place_orphan_here.  Add get_output_section.
4075         (Orphan_output_section::place_orphan_here): Add is_relro
4076         parameter.
4077         (Script_sections::Script_sections): Initialize
4078         data_segment_align_index_ and saw_relro_end_.
4079         (Script_sections::data_segment_align): New function.
4080         (Script_sections::data_segment_relro_end): New function.
4081         (Script_sections::place_orphan): Set or clear is_relro.
4082         (Script_sections::set_section_addresses): Force alignment of first
4083         TLS section.
4084         * yyscript.y (exp): Call script_data_segment_align and
4085         script_data_segment_relro_end.
4086         * testsuite/relro_script_test.t: New file.
4087         * testsuite/relro_test.cc (using_script): Declare.
4088         (t1, t2): Test using_script.
4089         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
4090         (relro_script_test_SOURCES): Define.
4091         (relro_script_test_DEPENDENCIES): Define.
4092         (relro_script_test_LDFLAGS): Define.
4093         (relro_script_test_LDADD): Define.
4094         (relro_script_test.so): New target.
4095         * testsuite/Makefile.in: Rebuild.
4096
4097 2008-08-06  Cary Coutant <ccoutant@google.com>
4098
4099         * archive.cc (Archive::total_archives, Archive::total_members)
4100         (Archive::total_members_loaded): New variables.
4101         (Archive::setup): Add parameter.  Add option to preread
4102         archive symbols.
4103         (Archive::read_armap): Add counter.
4104         (Archive::get_file_and_offset): New function.
4105         (Archive::get_elf_object_for_member): New function.
4106         (Archive::read_all_symbols): New function.
4107         (Archive::read_symbols): New function.
4108         (Archive::add_symbols): Add counters.
4109         (Archive::include_all_members): Use armap to find members if it's
4110         already built.
4111         (Archive::include_member): Skip reading symbols if already read.
4112         Factored code into Archive::get_file_and_offset and
4113         Archive::get_elf_object_for_member.  Changed call to
4114         Mapfile::report_include_archive_member.
4115         (Archive::print_stats): New function.
4116         * archive.h: Declare Object and Read_symbols_data classes.
4117         (Archive::Archive): Add initializers for new members.
4118         (Archive::setup): Add parameter.
4119         (Archive::print_stats): New function.
4120         (Archive::total_archives, Archive::total_members)
4121         (Archive::total_members_loaded): New variables.
4122         (Archive::get_file_and_offset): New function.
4123         (Archive::get_elf_object_for_member): New function.
4124         (Archive::read_all_symbols): New function.
4125         (Archive::read_symbols): New function.
4126         (Archive::Archive_member): New class.
4127         (Archive::members_): New member.
4128         (Archive::num_members_): New member.
4129         * main.cc: Include archive.h.
4130         (main): Call Archive::print_stats.
4131         * mapfile.cc (Mapfile::report_include_archive_member): Delete
4132         archive parameter; member_name is now the fully-decorated name.
4133         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
4134         * options.h: (General_options): Add --preread-archive-symbols option.
4135         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
4136         Archive::setup.
4137
4138 2008-08-04  Ian Lance Taylor  <iant@google.com>
4139
4140         * symtab.h (Symbol::use_plt_offset): New function.
4141         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4142         * powerpc.cc (Relocate::relocate): Likewise.
4143         * sparc.cc (Relocate::relocate): Likewise.
4144         * x86_64.cc (Relocate::relocate): Likewise.
4145         * testsuite/weak_plt.sh: New test.
4146         * testsuite/weak_plt_main.cc: New test.
4147         * testsuite/weak_plt_shared.cc: New test.
4148         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
4149         (check_PROGRAMS): Add weak_plt.
4150         (check_DATA): Add weak_plt_shared.so.
4151         (weak_plt_main_pic.o, weak_plt): New targets.
4152         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
4153         * testsuite/Makefile.in: Rebuild.
4154
4155         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
4156         gcctestdir/ld.
4157         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
4158         * testsuite/Makefile.in: Rebuild.
4159
4160 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
4161
4162         * Makefile.am (POTFILES.in): Set LC_ALL=C.
4163         * Makefile.in: Regenerate.
4164         * po/POTFILES.in: Regenerate.
4165
4166 2008-07-29  Ian Lance Taylor  <iant@google.com>
4167
4168         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
4169         symbols before other symbols.
4170         * testsuite/script_test_2.cc (test_addr): Declare.
4171         (test_addr_alias): Declare.
4172         (main): Check that test_addr and test_addr_alias have the right
4173         values.
4174         * testsuite/script_test_2.t: Define test_addr_alias and
4175         test_addr.
4176
4177 2008-07-24  Ian Lance Taylor  <iant@google.com>
4178
4179         PR 5990
4180         * descriptors.cc: New file.
4181         * descriptors.h: New file.
4182         * gold-threads.h (class Hold_optional_lock): New class.
4183         * fileread.cc: Include "descriptors.h".
4184         (File_read::~File_read): Release descriptor rather than closing
4185         it.
4186         (File_read::open) [file]: Call open_descriptor rather than open.
4187         Set is_descriptor_opened_.
4188         (File_read::open) [memory]: Assert that descriptor is not open.
4189         (File_read::reopen_descriptor): New function.
4190         (File_read::release): Release descriptor.
4191         (File_read::do_read): Make non-const.  Reopen descriptor.
4192         (File_read::read): Make non-const.
4193         (File_read::make_view): Reopen descriptor.
4194         (File_read::do_readv): Likewise.
4195         * fileread.h (class File_read): Add is_descriptor_opened_ field.
4196         Update declarations.
4197         * layout.cc: Include "descriptors.h".
4198         (Layout::create_build_id): Use open_descriptor rather than open.
4199         * output.cc: Include "descriptors.h".
4200         (Output_file::open): Use open_descriptor rather than open.
4201         * archive.cc (Archive::const_iterator): Change Archive to be
4202         non-const.
4203         (Archive::begin, Archive::end): Make non-const.
4204         (Archive::count_members): Likewise.
4205         * archive.h (class Archive): Update declarations.
4206         * object.h (Object::read): Make non-const.
4207         * Makefile.am (CCFILES): Add descriptors.cc.
4208         (HFILES): Add descriptors.h.
4209         * Makefile.in: Rebuild.
4210
4211         PR 6716
4212         * gold.h: Always include <clocale>.  Add Solaris workarounds
4213         following code in binutils/sysdep.h.
4214
4215         PR 6048
4216         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4217         this->eh_frame_hdr_ is NULL before using it.
4218
4219         * dynobj.cc (Versions::Versions): Update comment.
4220
4221         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4222         the base version name.
4223
4224         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4225         array size plus one.
4226         (Stringpool_template::set_string_offsets): Subtract one from key
4227         before using it as an array index.
4228         (Stringpool_template::get_offset_with_length): Likewise.
4229         (Stringpool_template::write_to_buffer): Likewise.
4230         * stringpool.h (Stringpool_template::get_offset_from_key):
4231         Likewise.
4232
4233 2008-07-23  Ian Lance Taylor  <iant@google.com>
4234
4235         PR 6658
4236         * object.h (Merged_symbol_value::value): Do our best to handle a
4237         negative addend.
4238
4239         PR 6647
4240         * script.cc (Version_script_info::get_versions): Don't add empty
4241         version tag to return value.
4242         (Version_script_info::get_symbol_version_helper): Change return
4243         type to bool.  Add pversion parameter.  Change all callers.
4244         (script_register_vers_node): Don't require a non-NULL tag.
4245         * script.h (class Version_script_info): Update declarations.
4246         (Version_script_info::get_symbol_version): Change return type to
4247         bool.  Add version parameter.  Change all callers.
4248         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
4249         handling.  Handle an empty version from a version script.
4250         (Symbol_table::define_special_symbol): Likewise.
4251         * testsuite/ver_test_10.script: New file.
4252         * testsuite/ver_test_10.sh: New file.
4253         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
4254         (check_DATA): Add ver_test_10.syms.
4255         (ver_test_10.syms, ver_test_10.so): New target.
4256         * testsuite/Makefile.in: Rebuild.
4257
4258 2008-07-23  Simon Baldwin  <simonb@google.com>
4259
4260         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
4261         to zero for undefined symbols from dynamic libraries.
4262
4263 2008-07-23  Ian Lance Taylor  <iant@google.com>
4264
4265         * symtab.cc (Symbol_table::resolve): Remove version parameter.
4266         Change all callers.
4267         * symtab.h (class Symbol_table): Update declaration.
4268         * testsuite/ver_test_9.cc: New file.
4269         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
4270         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
4271         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
4272         (ver_test_9.so, ver_test_9.o): New targets.
4273         * testsuite/Makefile.in: Rebuild.
4274
4275 2008-07-22  Ian Lance Taylor  <iant@google.com>
4276
4277         * options.h (class General_options): Define --check-sections.
4278         * layout.cc (Layout::set_segment_offsets): Handle
4279         --check-sections.
4280
4281         * options.h (class General_options): Define -n/--nmagic and
4282         -N/--omagic.
4283         * options.cc (General_options::finalize): For -n/--nmagic or
4284         -N/--omagic, set -static.
4285         * layout.cc (Layout::attach_allocated_section_to_segment): If
4286         -N/--omagic, don't put read-only and read-write sections in
4287         different segments.
4288         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
4289         finding a read-only segment.
4290         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
4291         don't set the minimum segment alignment to the common page size,
4292         and don't set the file offset to the address modulo the page size.
4293         * script-sections.cc (Script_sections::create_segments): If
4294         -n/--omagic, don't put read-only and read-write sections in
4295         different segments.
4296
4297         * cref.cc: New file.
4298         * cref.h: New file.
4299         * options.h (class General_options): Add --print-symbol-counts.
4300         * main.cc (main): Issue defined symbol report if requested.
4301         * archive.cc (Archive::interpret_header): Make into a const member
4302         function.
4303         (Archive::add_symbols): Call Input_objects::archive_start and
4304         archive_stop.
4305         (Archive::const_iterator): Define new class.
4306         (Archive::begin, Archive::end): New functions.
4307         (Archive::include_all_members): Rewrite to use iterator.
4308         (Archive::count_members): New function.
4309         * archive.h (class Archive): Update declarations.
4310         (Archive::filename): New function.
4311         * object.cc: Include "cref.h".
4312         (Sized_relobj::Sized_relobj): Initialize defined_count_.
4313         (Sized_relobj::do_get_global_symbol_counts): New function.
4314         (Input_objects::add_object): Add object to cross-referencer.
4315         (Input_objects::archive_start): New function.
4316         (Input_objects::archive_stop): New function.
4317         (Input_objects::print_symbol_counts): New function.
4318         * object.h: Declare Cref and Archive.
4319         (Object::get_global_symbol_counts): New function.
4320         (Object::do_get_global_symbol_counts): New pure virtual function.
4321         (class Sized_relobj): Add defined_count_ field.  Update
4322         declarations.
4323         (class Input_objects): Add cref_ field.  Update constructor.
4324         Update declarations.
4325         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
4326         defined_count_.
4327         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
4328         symbol counts.
4329         (Sized_dynobj::do_get_global_symbol_counts): New function.
4330         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
4331         defined_count_.  Update declarations.  Define Symbols typedef.
4332         * symtab.cc (Symbol_table::add_from_relobj): Add defined
4333         parameter.  Change all callers.
4334         (Symbol_table::add_from_dynobj): Add sympointers and defined
4335         parameters.  Change all callers.
4336         * symtab.h (class Symbol_table): Update declarations.
4337         * Makefile.am (CCFILES): Add cref.cc.
4338         (HFILES): Add cref.h.
4339         * Makefile.in: Rebuild.
4340
4341 2008-07-22  Simon Baldwin  <simonb@google.com>
4342
4343         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
4344         to zero when writing undefined symbols.
4345
4346 2008-07-22  Ian Lance Taylor  <iant@google.com>
4347
4348         * output.cc (Output_section::add_input_section): Don't try to
4349         merge empty merge sections.
4350
4351 2008-07-21  Craig Silverstein  <csilvers@google.com>
4352
4353         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4354         Include symbol version in error message.
4355
4356 2008-07-20  Chris Demetriou  <cgd@google.com>
4357
4358         * configure.ac (gold_cv_c_random_seed): New configured variable.
4359         (RANDOM_SEED_CFLAGS): New substituted variable.
4360         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
4361         * configure: Rebuild.
4362         * Makefile.in: Likewise.
4363         * testsuite/Makefile.in: Likewise.
4364
4365 2008-07-18  Ian Lance Taylor  <iant@google.com>
4366
4367         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
4368         where we see NAME/NULL and NAME/VERSION  as separate symbols.
4369         * testsuite/ver_test_main.cc (main): Call t4.
4370         (t4, t4_2a): Define.
4371         * testsuite/ver_test_2.cc (t4_2): Define.
4372         * testsuite/ver_test_2.script: Put t4_2a in VER2.
4373         * testsuite/ver_test_4.cc (t4_2a): Define.
4374         * testsuite/ver_test_4.script: Put t4_2a in VER2.
4375         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
4376
4377 2008-07-17  Ian Lance Taylor  <iant@google.com>
4378
4379         * dynobj.cc (Versions::add_def): If we give an error about a
4380         missing version, go ahead and create the version anyhow.
4381
4382 2008-07-10  Ian Lance Taylor  <iant@google.com>
4383
4384         Handle output sections with more than 0x7fffffff bytes.
4385         * object.h (class Relobj): Change map_to_output_ to
4386         output_sections_, and just keep a section pointer.  Change all
4387         uses.  Move comdat group support to Sized_relobj.
4388         (Relobj::is_section_specially_mapped): Remove.
4389         (Relobj::output_section): Remove poff parameter.  Change all
4390         callers.
4391         (Relobj::output_section_offset): New function.
4392         (Relobj::set_section_offset): Rewrite.
4393         (Relobj::map_to_output): Remove.
4394         (Relobj::output_sections): New function.
4395         (Relobj::do_output_section_offset): New pure virtual function.
4396         (Relobj::do_set_section_offset): Likewise.
4397         (class Sized_relobj): Add section_offsets_ field.  Add comdat
4398         group support from Relobj.  Update declarations.
4399         (Sized_relobj::get_output_section_offset): New function.
4400         (Sized_relobj::do_output_section_offset): New function.
4401         (Sized_relobj::do_set_section_offset): New function.
4402         * object.cc (Relobj::output_section_address): Remove.
4403         (Sized_relobj::Sized_relobj): Initialize new fields.
4404         (Sized_relobj::include_section_group): Cast find_kept_object to
4405         Sized_relobj.
4406         (Sized_relobj::include_linkonce_section): Likewise.
4407         (Sized_relobj::do_layout): Use separate arrays for output section
4408         and output offset.
4409         (Sized_relobj::do_count_local_symbols): Change map_to_output to
4410         output_sections.
4411         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
4412         output_sections and section_offsets.
4413         (Sized_relobj::write_local_symbols): Likewise.
4414         (map_to_kept_section): Compute output address directly.
4415         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
4416         output_sections and section_offsets.
4417         (Sized_relobj::write_sections): Likewise.
4418         (Sized_relobj::relocate_sections): Likewise.
4419         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
4420         * output.h (class Output_reloc): Update declarations.  Change
4421         u2_.relobj to Sized_relobj*.
4422         (class Output_data_reloc): Change add functions to use
4423         Sized_relobj*.
4424         * output.cc (Output_reloc::Output_reloc): Change relobj to
4425         Sized_relobj*.
4426         (Output_reloc::local_section_offset): Change return type to
4427         Elf_Addr.  Use get_output_section_offset.
4428         (Output_reloc::get_address): Likewise.
4429         (Output_section::is_input_address_mapped): Don't call
4430         is_section_specially_mapped.
4431         (Output_section::output_offset): Likewise.
4432         (Output_section::output_address): Likewise.
4433         (Output_section::starting_output_address): Likewise.
4434         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
4435         parameter to Sized_relobj*.
4436         (Copy_relocs::need_copy_reloc): Likewise.
4437         (Copy_relocs::save): Likewise.
4438         * copy-relocs.h (class Copy_relocs): Update declarations.
4439         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
4440         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
4441         * target-reloc.h (relocate_for_relocatable): Change
4442         offset_in_output_section type to Elf_Addr.  Change code that uses
4443         it as well.
4444         * layout.cc (Layout::layout): Always set *off.
4445         * mapfile.cc (Mapfile::print_input_section): Use
4446         output_section_offset.
4447         * i386.cc (Target_i386::copy_reloc): Change object parameter to
4448         Sized_relobj*.
4449         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
4450         * sparc.cc (Target_sparc::copy_reloc): Likewise.
4451         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
4452
4453 2008-07-03  Ian Lance Taylor  <iant@google.com>
4454
4455         * layout.cc (Layout::include_section): Do not discard unrecognized
4456         SHT_STRTAB sections.
4457
4458 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
4459
4460         * script.cc (Lex::can_continue_name): Make '?' allowable in
4461         version-script names.
4462         * testsuite/version_script.map: Change glob pattern to use '?'
4463
4464 2008-06-30  Manish Singh  <yosh@gimp.org>
4465
4466         PR 6585
4467         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
4468         Correct typo.
4469
4470 2008-06-30  Ian Lance Taylor  <iant@google.com>
4471
4472         PR 6660
4473         PR 6682
4474         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4475         versions]: Don't try to read the value in the contents, since we
4476         don't use it.  Use the template endianness when writing.
4477
4478 2008-06-25  Cary Coutant  <ccoutant@google.com>
4479
4480         * fileread.cc (File_read::make_view): Assert on zero-length view.
4481         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4482         symbol table when there are no symbols to read.
4483
4484 2008-06-23  Craig Silverstein  <csilvers@google.com>
4485
4486         * version.cc (version_string): Bump to 1.7
4487
4488 2008-06-18  Craig Silverstein  <csilvers@google.com>
4489
4490         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4491         constant 0xFFFF to type Valtype.
4492         (Powerpc_relocate_functions::rel16_ha): Likewise.
4493
4494 2008-06-17  Ian Lance Taylor  <iant@google.com>
4495
4496         * output.h (Output_section::Input_section): Initialize p2align_ to
4497         zero for Output_section_data constructors.
4498         (Output_section::Input_section::addralign): If not an input
4499         section, return the alignment of the Output_section_data.
4500         * testsuite/copy_test.cc: New file.
4501         * testsuite/copy_test_1.cc: New file.
4502         * testsuite/copy_test_2.cc: New file.
4503         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4504         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4505         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4506         (copy_test_1_pic.o, copy_test_1.so): New targets.
4507         (copy_test_2_pic.o, copy_test_2.so): New targets.
4508         * testsuite/Makefile.in: Rebuild.
4509
4510         * script-sections.cc (Script_sections::place_orphan): Initialize
4511         local variable exact.
4512
4513 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
4514
4515         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4516
4517 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
4518             David S. Miller  <davem@davemloft.net>
4519
4520         * powerpc.cc: New file.
4521         * Makefile.am (TARGETSOURCES): Add powerpc.cc
4522         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4523         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4524         * Makefile.in: Rebuild.
4525
4526 2008-06-09  Ian Lance Taylor  <iant@google.com>
4527
4528         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4529         <exception>.
4530         (throwing, orig_terminate): New static variables.
4531         (terminate_handler): New static function.
4532         (t2): Set terminate handler.
4533
4534 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
4535
4536         PR 6584
4537         * binary.cc (Binary_to_elf::sized_convert): Fix .data
4538         alignment.
4539
4540 2008-05-30  Cary Coutant  <ccoutant@google.com>
4541
4542         * archive.cc (Archive::include_all_members) Correct to step
4543         over symbol table and extended name table in thin archives.
4544
4545 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
4546
4547         PR 6407
4548         * target-reloc.h (relocate_for_relocatable): Fix new_offset
4549         calculation.
4550
4551 2008-05-28  Caleb Howe  <cshowe@google.com>
4552
4553         * reduced_debug_output.cc: New file.
4554         * reduced_debug_output.h: New file.
4555         * options.h (class General_options): Add --strip-debug-non-line.
4556         * options.cc (General_options::finalize): Add strip_debug_non_line
4557         to the strip heirarchy.
4558         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4559         fields.
4560         * layout.cc: Include "reduced_debug_output.h".
4561         (Layout::Layout): Initialize new fields.
4562         (line_only_debug_sections): New static array.
4563         (is_lines_only_debug_sections): New static inline function.
4564         (Layout::include_section): Handle --strip-debug-non-line.
4565         (Layout::make_output_section): If --strip-debug-non-line, build
4566         new output sections for .debug_abbrev and .debug_info.
4567         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4568         gold.  Warn about possible overflow.
4569         (read_signed_LEB_128): Likewise.
4570         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4571         (read_signed_LEB_128): Declare.
4572         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4573         (HFILES): Add reduced_debug_output.h.
4574         * Makefile.in: Rebuild.
4575
4576 2008-05-21  Ian Lance Taylor  <iant@google.com>
4577
4578         * mapfile.cc: New file.
4579         * mapfile.h: New file.
4580         * options.h (class General_options): Add -M/--print-map and -Map.
4581         * options.cc (General_options::finalize): Make -M equivalent to
4582         -Map -.
4583         * main.cc: Include <cstdio> and "mapfile.h".
4584         (main): Open mapfile if requested.
4585         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
4586         constructor.  Change caller.
4587         (queue_initial_tasks): Add mapfile parameter.  Change caller.
4588         (queue_middle_tasks): Likewise.
4589         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4590         declarations.
4591         * archive.cc: Include "mapfile.h".
4592         (Archive::add_symbols): Add mapfile parameter.  Change all
4593         callers.  Pass mapfile, symbol, and reason to include_member.
4594         (Archive::include_all_members): Add mapfile parameter.  Change all
4595         callers.
4596         (Archive::include_member): Add mapfile, sym, and why parameters.
4597         Change all callers.  Report inclusion to map file.
4598         * archive.h: Include "fileread.h".
4599         (class Archive): Update declarations.
4600         (Archive::file): New const method.
4601         (class Add_archive_symbols): Add mapfile_ field.  Update
4602         constructor.  Change all callers.
4603         * readsyms.h (class Read_symbols): Likewise.
4604         (class Finish_group): Likewise.
4605         (class Read_script): Likewise.
4606         * common.cc: Include "mapfile.h".
4607         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
4608         all callers.
4609         (Symbol_table::do_allocate_commons): Likewise.
4610         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
4611         symbol allocation to mapfile.
4612         * common.h (class Allocate_commons_task): Add mapfile_ field.
4613         Update constructor.  Change all callers.
4614         * symtab.h (class Symbol_table): Update declarations.
4615         * layout.cc: Include "mapfile.h".
4616         (Layout_task_runner::run): Print information to mapfile.
4617         (Layout::create_gold_note): Change Output_data_fixed_space to
4618         Output_data_zero_fill.
4619         (Layout::create_build_id): Likewise.
4620         (Layout::print_to_mapfile): New function.
4621         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
4622         constructor.  Change caller.
4623         (class Layout): Declare print_to_mapfile.
4624         * output.cc (Output_section::Input_section::print_to_mapfile): New
4625         function.
4626         (Output_section::add_input_section): If producing a map, always
4627         add to input_sections_ list.
4628         (Output_section::do_print_to_mapfile): New function.
4629         (Output_segment::print_sections_to_mapfile): New function.
4630         (Output_segment::print_section_list_to_mapfile): New function.
4631         * output.h: Include "mapfile.h".
4632         (Output_data::print_to_mapfile): New function.
4633         (Output_data::do_print_to_mapfile): New virtual function.
4634         (Output_segment_headers::do_print_to_mapfile): New function.
4635         (Output_file_header::do_print_to_mapfile): New function.
4636         (Output_data_const::do_print_to_mapfile): New function.
4637         (class Output_data_const_buffer): Add map_name_ field.  Update
4638         constructor.  Change all callers.  Add do_print_to_mapfile
4639         function.
4640         (class Output_data_fixed_space): Likewise.
4641         (class Output_data_space): Likewise.
4642         (class Output_data_zero_fill): New class.
4643         (Output_data_strtab::do_print_to_mapfile): New function.
4644         (Output_data_reloc_base::do_print_to_mapfile): New function.
4645         (Output_relocatable_relocs::do_print_to_mapfile): New function.
4646         (Output_data_group::do_print_to_mapfile): New function.
4647         (Output_data_got::do_print_to_mapfile): New function.
4648         (Output_data_dynamic::do_print_to_mapfile): New function.
4649         (Output_symtab_xindex::do_print_to_mapfile): New function.
4650         (class Output_section): Declare do_print_to_mapflie.  Declare
4651         print_to_mapfile in Input_section.
4652         (class Output_segment): Declare new functions.
4653         * object.h (Sized_relobj::symbol_count): New function.
4654         * script-sections.cc
4655         (Output_section_element_dot_assignment::set_section_addresses):
4656         Change Output_data_fixed_space to Output_data_zero_fill.
4657         (Output_data_expression::do_print_to_mapfile): New function.
4658         * script.cc (read_input_script): Add mapfile parameter.  Change
4659         all callers.
4660         * script.h (read_input_script): Update declaration.
4661         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4662         (Eh_frame::do_print_to_mapfile): New function.
4663         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4664         (Output_merge_string::do_print_to_mapfile): New function.
4665         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4666         function.
4667         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4668         function.
4669         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4670         function.
4671         * Makefile.am (CCFILES): Add mapfile.cc.
4672         (HFILES): Add mapfile.h.
4673         * Makefile.in: Rebuild.
4674
4675 2008-05-19  Ian Lance Taylor  <iant@google.com>
4676
4677         * options.h (class General_options): Add -z relro.
4678         * layout.cc (Layout::Layout): Initialize relro_segment_.
4679         (Layout::add_output_section_data): Return the output section.
4680         (Layout::make_output_section): Rcognize relro sections and mark
4681         them appropriately.
4682         (Layout::attach_allocated_section_to_segment): Put relro sections
4683         in a PT_GNU_RELRO segment.
4684         (Layout::create_initial_dynamic_sections): Mark the .dynamic
4685         section as relro.
4686         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4687         PT_TLS segments.
4688         (Layout::linkonce_mapping): Map d.rel.ro.local to
4689         .data.rel.ro.local.
4690         (Layout::output_section_name): Us .data.rel.ro.local for any
4691         section which begins with that.
4692         * layout.h (class Layout): Update add_output_section_data
4693         declaration.  Add relro_segment_ field.
4694         * output.cc (Output_section::Output_section): Initialize is_relro_
4695         and is_relro_local_ fields.
4696         (Output_segment::add_output_section): Group relro sections.
4697         (Output_segment::is_first_section_relro): New function.
4698         (Output_segment::maximum_alignment): If there is a relro section,
4699         align the segment to the common page size.
4700         (Output_segment::set_section_addresses): Track whether we are
4701         looking at relro sections.  If the last section is a relro
4702         section, align to the common page size.
4703         (Output_segment::set_section_list_addresses): Add in_relro
4704         parameter.  Change all callers.  Align to the page size when
4705         moving from relro to non-relro section.
4706         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4707         segment.
4708         * output.h (class Output_section): Add is_relro_ and
4709         is_relro_local_ fields.
4710         (Output_section::is_relro): New function.
4711         (Output_section::set_is_relro): New function.
4712         (Output_section::is_relro_local): New function.
4713         (Output_section::set_is_relro_local): New function.
4714         (class Output_segment): Update declarations.
4715         * i386.cc (Target_i386::got_section): Mark .got section as relro.
4716         * sparc.cc (Target_sparc::got_section): Likewise.
4717         * x86_64.cc (Target_x86_64::got_section): Likewise.
4718         * testsuite/relro_test_main.cc: New file.
4719         * testsuite/relro_test.cc: New file.
4720         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4721         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4722         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4723         (relro_test.so, relro_test_pic.o): New targets.
4724         * testsuite/Makefile.in: Rebuild.
4725
4726 2008-05-16  Ian Lance Taylor  <iant@google.com>
4727
4728         * output.cc (Output_segment::add_output_section): Remove front
4729         parameter.
4730         * output.h (class Output_segment): Remove
4731         add_initial_output_section and overloaded add_output_section.
4732         Update declaration of remaining add_output_section.
4733         * layout.cc (Layout::create_interp): Call add_output_section
4734         rather than add_initial_output_section.
4735         (Layout::finish_dynamic_section): Likewise.
4736
4737         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4738         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
4739         know the dynamic type.
4740         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4741         field.  Initialize it in constructor.
4742         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4743         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4744         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4745         reloc.
4746
4747         * output.cc (Output_reloc::get_address): Change return type to
4748         Elf_Addr.
4749         * output.h (class Output_reloc): Update get_address declaration.
4750         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4751         for section addresses.
4752
4753 2008-05-09  Ian Lance Taylor  <iant@google.com>
4754
4755         PR 6493
4756         * gold.cc (gold_nomem): Use return value of write.
4757
4758 2008-05-08  Ian Lance Taylor  <iant@google.com>
4759
4760         * symtab.c (Symbol::init_base_output_data): Add version
4761         parameter.  Change all callers.
4762         (Symbol::init_base_output_segment): Likewise.
4763         (Symbol::init_base_constant): Likewise.
4764         (Symbol::init_base_undefined): Likewise.
4765         (Sized_symbol::init_output_data): Likewise.
4766         (Sized_symbol::init_output_segment): Likewise.
4767         (Sized_symbol::init_constant): Likewise.
4768         (Sized_symbol::init_undefined): Likewise.
4769         (Symbol_table::do_define_in_output_data): If the new symbol has a
4770         version, mark it as the default.
4771         (Symbol_table::do_define_in_output_segment): Likewise.
4772         (Symbol_table::do_define_as_constant): Likewise.
4773         * symtab.h (class Symbol): Update declarations.
4774         (class Sized_symbol): Likewise.
4775         * resolve.cc (Symbol::override_version): New function.
4776         (Symbol::override_base): Call override_version.
4777         (Symbol::override_base_with_special): Likewise.
4778         * testsuite/ver_script_8.script: New file.
4779         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4780         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4781         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4782         (ver_test_8_1.so, ver_test_8_2.so): New targets.
4783
4784 2008-05-06  Ian Lance Taylor  <iant@google.com>
4785
4786         PR 6049
4787         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4788         functions.
4789         (class General_options): Remove existing --undefined, and add
4790         --no-undefined instead.  Add new --undefined as synonym for -u.
4791         * archive.cc (Archive::add_symbols): Check whether symbol was
4792         named with -u.
4793         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4794         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4795         all uses.  Add IS_UNDEFINED.  Update declarations to split
4796         different versions of init_base.  Declare init_base_undefined.
4797         (Symbol::is_defined): Handle IS_UNDEFINED.
4798         (Symbol::is_undefined): Likewise.
4799         (Symbol::is_weak_undefined): Call is_undefined.
4800         (Symbol::is_absolute): Handle IS_CONSTANT.
4801         (class Sized_symbol): Update declarations to split different
4802         versions of init.  Declare init_undefined.
4803         (class Symbol_table): Declare new functions.
4804         * symtab.cc (Symbol::init_base_object): Rename from init_base.
4805         Change all callers.
4806         (Symbol::init_base_output_data): Likewise.
4807         (Symbol::init_base_output_segment): Likewise.
4808         (Symbol::init_base_constant): Likewise.
4809         (Symbol::init_base_undefined): New function.
4810         (Sized_symbol::init_object): Rename from init.  Change all
4811         callers.
4812         (Sized_symbol::init_output_data): Likewise.
4813         (Sized_symbol::init_output_segment): Likewise.
4814         (Sized_symbol::init_constant): Likewise.
4815         (Sized_symbol::init_undefined): New function.
4816         (Symbol_table::add_undefined_symbols_from_command_line): New
4817         function.
4818         (Symbol_table::do_add_undefined_symbols_from_command_line): New
4819         function.
4820         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4821         (Symbol::output_section): Likewise.
4822         (Symbol::set_output_section): Likewise.
4823         (Symbol_table::sized_finalize_symbol): Likewise.
4824         (Symbol_table::sized_write_globals): Likewise.
4825         * resolve.cc (Symbol_table::should_override): Likewise.
4826         (Symbol::override_base_with_special): Likewise.
4827
4828         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4829         symbol, change it to have default visibility.
4830         * testsuite/protected_1.cc: New file.
4831         * testsuite/protected_2.cc: New file.
4832         * testsuite/protected_3.cc: New file.
4833         * testsuite/protected_main_1.cc: New file.
4834         * testsuite/protected_main_2.cc: New file.
4835         * testsuite/protected_main_3.cc: New file.
4836         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4837         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4838         (protected_1_LDFLAGS, protected_1_LDADD): Define.
4839         (protected_1.so): New target.
4840         (protected_1_pic.o, protected_2_pic.o): New targets.
4841         (protected_3_pic.o): New target.
4842         (check_PROGRAMS): Add protected_2.
4843         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4844         (protected_2_LDFLAGS, protected_2_LDADD): Define.
4845         * testsuite/Makefile.in: Rebuild.
4846
4847         * options.h (DEFINE_var): Add set_user_set_##varname__.
4848         (DEFINE_bool_alias): New macro.
4849         (class General_options): Define -Bstatic using DEFINE_bool_alias
4850         rather than DEFINE_special.  Add --undefined as an alias for -z
4851         defs.
4852         * options.cc (General_options::parse_Bstatic): Remove.
4853
4854         * options.h (class General_options): Add --fatal-warnings.
4855         * main.cc (main): Implement --fatal-warnings.
4856         * errors.h (Errors::warning_count): New function.
4857
4858         * options.h (class General_options): Add -Bsymbolic-functions.
4859         * symtab.h (Symbol::is_preemptible): Check for
4860         -Bsymbolic-functions.
4861
4862 2008-05-05  Ian Lance Taylor  <iant@google.com>
4863
4864         * options.h (DEFINE_bool): For DASH_Z, create the negative option
4865         as noVARNAME rather than no-VARNAME.
4866         (class General_options): Add option -z combreloc.
4867         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4868         get_address.
4869         (Output_reloc::sort_before) [SHT_REL]: New function.
4870         (Output_reloc::sort_before) [SHT_RELA]: New function.
4871         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
4872         Sort_relocs_comparison.
4873         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4874         parameter.  Change all callers.
4875         (Output_data_reloc::Output_data_reloc) [both versions]: Add
4876         sort_relocs parameter.  Change all callers.
4877         * output.cc (Output_reloc::get_address): New function, broken out
4878         of write_rel.
4879         (Output_reloc::write_rel): Call it.
4880         (Output_reloc::compare): New function.
4881         (Output_data_reloc_base::do_write): Optionally sort relocs.
4882
4883         * configure.ac: If targ_extra_obj is set, link it in.
4884         * configure.tgt: Initialize all variables.
4885         (x86_64*): Set targ_extra_obj and targ_extra_size.
4886         * configure: Rebuild.
4887
4888         * object.cc (Sized_relobj::include_section_group): Adjust section
4889         indexes read from group data.  Build vector to pass to
4890         layout_group.
4891         * layout.cc (Layout::layout_group): Add flags and shndxes
4892         parameters.  Remove contents parameter.  Change caller.  Update
4893         explicit instantiations.
4894         * layout.h (class Layout): Update layout_group declaration.
4895         * output.cc (Output_data_group::Output_data_group): Add flags and
4896         input_shndxes parameters.  Remove contents parameter.  Change
4897         caller.
4898         (Output_data_group::do_write): Change input_sections_ to
4899         input_shndxes_.
4900         * output.h (class Output_data_group): Update constructor
4901         declaration.  Rename input_sections_ to input_shndxes_.
4902         * testsuite/many_sections_test.cc: Add template.
4903
4904 2008-04-30  Cary Coutant  <ccoutant@google.com>
4905
4906         * target-reloc.h (relocate_section): Fix dead-pointer bug.
4907
4908         * layout.cc (Layout::include_section): Refactored check for debug
4909         info section.
4910         (Layout::add_comdat): Add new parameters.  Change type
4911         of signature parameter.  Add object and shndx to signatures table.
4912         (Layout::find_kept_object): New function.
4913         * layout.h: Include <cstring>.
4914         (Layout::is_debug_info_section): New function.
4915         (Layout::add_comdat): Add new parameters.
4916         (Layout::find_kept_object): New function.
4917         (Layout::Kept_section): New struct.
4918         (Layout::Signatures): Change type of map range.
4919         * object.cc (Relobj::output_section_address): New function.
4920         (Sized_relobj::include_section_group): Add new parameters.  Change
4921         calls to Layout::add_comdat.  Change to build table of kept comdat
4922         groups and table mapping discarded sections to kept sections.
4923         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
4924         (Sized_relobj::do_layout): Change calls to include_section_group and
4925         include_linkonce_section.
4926         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4927         value to zero when section is discarded.
4928         (Sized_relobj::map_to_kept_section): New function.
4929         * object.h (Relobj::output_section_address): New function.
4930         (Relobj::Comdat_group): New type.
4931         (Relobj::find_comdat_group): New function.
4932         (Relobj::Comdat_group_table): New type.
4933         (Relobj::Kept_comdat_section): New type.
4934         (Relobj::Kept_comdat_section_table): New type.
4935         (Relobj::add_comdat_group): New function.
4936         (Relobj::set_kept_comdat_section): New function.
4937         (Relobj::get_kept_comdat_section): New function.
4938         (Relobj::comdat_groups_): New field.
4939         (Relobj::kept_comdat_sections_): New field.
4940         (Symbol_value::input_value): Update comment.
4941         (Sized_relobj::map_to_kept_section) New function.
4942         (Sized_relobj::include_linkonce_section): Add new parameter.
4943         * target-reloc.h (Comdat_behavior): New type.
4944         (get_comdat_behavior): New function.
4945         (relocate_section): Add code to map a discarded section to the
4946         corresponding kept section when applying a relocation.
4947
4948 2008-04-30  Craig Silverstein  <csilvers@google.com>
4949
4950         * dwarf_reader.cc (next_generation_count): New static var.
4951         (Addr2line_cache_entry): New struct.
4952         (addr2line_cache): New static var.
4953         (Dwarf_line_info::one_addr2line): Added caching.
4954         (Dwarf_line_info::clear_addr2line_cache): New function.
4955         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4956         cache-size parameter.
4957         (Dwarf_line_info::one_addr2line_cache): New function.
4958         * symtab.cc (Symbol_table::detect_odr_violations): Pass
4959         new cache-size argument to one_addr2line(), and clear cache.
4960
4961 2008-04-28  Cary Coutant  <ccoutant@google.com>
4962
4963         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4964         R_386_PC8 relocations.
4965
4966 2008-04-23  Ian Lance Taylor  <iant@google.com>
4967
4968         * object.cc (Sized_relobj::include_section_group): Check for
4969         invalid section group.
4970
4971         * object.cc (make_elf_object): Correct test for 64-bit ELF file
4972         header size.
4973
4974         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4975         than read for file header.
4976         * archive.cc (Archive::include_member): Likewise.
4977
4978 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4979
4980         * aclocal.m4: Regenerate.
4981         * configure: Regenerate.
4982
4983 2008-04-19  Ian Lance Taylor  <iant@google.com>
4984
4985         * version.cc (version_string): Bump to 1.6.
4986
4987         * testsuite/Makefile.am (many_sections_r_test): New target.
4988         (many_sections_r_test_SOURCES): Remove.
4989         (many_sections_r_test_DEPENDENCIES): Remove.
4990         (many_sections_r_test_LDFLAGS): Remove.
4991         (many_sections_r_test_LDADD): Remove.
4992
4993         * object.cc (Sized_relobj::do_add_symbols): Always pass
4994         local_symbol_count_ to add_from_relobj.
4995
4996         * testsuite/Makefile.am (many_sections_check.h): Only check one in
4997         every thousand variables.
4998         * testsuite/Makefile.in: Rebuild.
4999
5000         * object.cc (Xindex::initialize_symtab_xindex): New function.
5001         (Xindex::read_symtab_xindex): New function.
5002         (Xindex::sym_xindex_to_shndx): New function.
5003         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
5004         available.
5005         (Sized_relobj::do_initialize_xindex): New function.
5006         (Sized_relobj::do_read_symbols): Adjust section links.
5007         (Sized_relobj::symbol_section_and_value): Add is_ordinary
5008         parameter.  Change all callers.
5009         (Sized_relobj::include_section_group): Adjust section links and
5010         symbol section indexes.
5011         (Sized_relobj::do_layout): Adjust section links.
5012         (Sized_relobj::do_count_local_symbols): Adjust section links and
5013         symbol section indexes.
5014         (Sized_relobj::do_finalize_local_symbols): Distinguish between
5015         ordinary and special symbols.
5016         (Sized_relobj::write_local_symbols): Add symtab_xindex and
5017         dynsym_xindex parameters.  Change all callers.  Adjust section
5018         links.  Use SHN_XINDEX when needed.
5019         (Sized_relobj::get_symbol_location_info): Adjust section links.
5020         Don't get fooled by special symbols.
5021         * object.h (class Xindex): Define.
5022         (class Object): Add xindex_ parameter.  Declare virtual functoin
5023         do_initialize_xindex.
5024         (Object::adjust_sym_shndx): New function.
5025         (Object::set_xindex): New protected function.
5026         (class Symbol_value): Add is_ordinary_shndx_ field.
5027         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
5028         (Symbol_value::value): Assert ordinary section.
5029         (Symbol_value::initialize_input_to_output_map): Likewise.
5030         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
5031         Change all callers.
5032         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
5033         all callers.
5034         (class Sized_relobj): Update declarations.
5035         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
5036         parameter.  Change all callers.
5037         (Sized_relobj::adjust_shndx): New function.
5038         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
5039         field.
5040         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
5041         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
5042         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
5043         (Sized_dynobj::read_dynsym_section): Adjust section links.
5044         (Sized_dynobj::read_dynamic): Likewise.
5045         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
5046         section links.
5047         (Sized_dynobj::do_initialize_xindex): New function.
5048         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
5049         do_initialize_xindex.
5050         (Sized_dynobj::adjust_shndx): New function.
5051         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
5052         dynsym_xindex_ fields.
5053         (Layout::finalize): Add a call to set_section_indexes before
5054         creating the symtab sections.
5055         (Layout::set_section_indexes): Don't do anything if the section
5056         already has a section index.
5057         (Layout::create_symtab_sections): Add shnum parameter.  Change
5058         caller.  Create .symtab_shndx section if needed.
5059         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
5060         caller.
5061         (Layout::allocated_output_section_count): New function.
5062         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
5063         needed.
5064         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
5065         fields.  Update declarations.
5066         (Layout::symtab_xindex): New function.
5067         (Layout::dynsym_xindex): New function.
5068         (class Write_symbols_task): Add layout_ field.
5069         (Write_symbols_task::Write_symbols_task): Add layout parameter.
5070         Change caller.
5071         * output.cc (Output_section_headers::Output_section_headers): Add
5072         shstrtab_section parameter.  Change all callers.
5073         (Output_section_headers::do_sized_write): Store overflow values
5074         for section count and section string table section index in
5075         section header zero.
5076         (Output_file_header::do_sized_write): Check for overflow of
5077         section count and section string table section index.
5078         (Output_symtab_xindex::do_write): New function.
5079         (Output_symtab_xindex::endian_do_write): New function.
5080         * output.h (class Output_section_headers): Add shstrtab_section_.
5081         Update declarations.
5082         (class Output_symtab_xindex): Define.
5083         (Output_section::has_out_shndx): New function.
5084         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
5085         field.
5086         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
5087         Change all callers.
5088         (Sized_symbol::init): Likewise.
5089         (Symbol::output_section): Check for ordinary symbol.
5090         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
5091         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
5092         callers.
5093         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
5094         Change all callers.  Simplify handling of symbols from sections
5095         not included in the link.
5096         (Symbol_table::add_from_dynobj): Handle ordinary symbol
5097         distinction.
5098         (Weak_alias_sorter::operator()): Assert that symbols are
5099         ordinary.
5100         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
5101         distinction.
5102         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
5103         parameters.  Change all callers.
5104         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
5105         symbol distinction.  Use SHN_XINDEX when needed.
5106         (Symbol_table::write_section_symbol): Add symtab_xindex
5107         parameter.  Change all callers.
5108         (Symbol_table::sized_write_section_symbol): Likewise.  Use
5109         SHN_XINDEX when needed.
5110         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
5111         declarations.
5112         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
5113         (Symbol::is_defined): Check is_ordinary.
5114         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
5115         (Symbol::is_absolute, Symbol::is_common): Likewise.
5116         (class Sized_symbol): Update declarations.
5117         (class Symbol_table): Update declarations.
5118         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
5119         parameters.  Change all callers.
5120         (Sized_symbol::override): Likewise.
5121         (Symbol_table::override): Likewise.
5122         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
5123         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
5124         is_ordinary, and orig_st_shndx parameters.  Change all callers.
5125         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
5126         to be in an ordinary section.
5127         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
5128         object and is_ordinary parameters.  Change all callers.
5129         (Sized_dwarf_line_info::read_relocs): Add object parameter.
5130         Change all callers.  Don't add undefined or non-ordinary symbols
5131         to reloc_map_.
5132         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
5133         Change all callers.
5134         * dwarf_reader.h (class Sized_dwarf_line_info): Update
5135         declarations.
5136         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
5137         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
5138         (Sized_relobj::relocate_sections): Likewise.
5139         * target-reloc.h (scan_relocs): Adjust section symbol index.
5140         (scan_relocatable_relocs): Likewise.
5141         * i386.cc (Scan::local): Check for ordinary symbols.
5142         * sparc.cc (Scan::local): Likewise.
5143         * x86_64.cc (Scan::local): Likewise.
5144         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5145         to symbol_section_and_value.
5146         * testsuite/many_sections_test.cc: New file.
5147         * testsuite/Makefile.am (BUILT_SOURCES): Define.
5148         (check_PROGRAMS): Add many_sections_test.
5149         (many_sections_test_SOURCES): Define.
5150         (many_sections_test_DEPENDENCIES): Define.
5151         (many_sections_test_LDFLAGS): Define.
5152         (BUILT_SOURCES): Add many_sections_define.h.
5153         (many_sections_define.h): New target.
5154         (BUILT_SOURCES): Add many_sections_check.h.
5155         (many_sections_check.h): New target.
5156         (check_PROGRAMS): Add many_sections_r_test.
5157         (many_sections_r_test_SOURCES): Define.
5158         (many_sections_r_test_DEPENDENCIES): Define.
5159         (many_sections_r_test_LDFLAGS): Define.
5160         (many_sections_r_test_LDADD): Define.
5161         (many_sections_r_test.o): New target.
5162         * testsuite/Makefile.in: Rebuild.
5163
5164 2008-04-17  Cary Coutant  <ccoutant@google.com>
5165
5166         * errors.cc (Errors::info): New function.
5167         (gold_info): New function.
5168         * errors.h (Errors::info): New function.
5169         * gold.h (gold_info): New function.
5170         * object.cc (Input_objects::add_object): Print trace output.
5171         * options.cc (options::parse_set): New function.
5172         (General_options::parse_wrap): Deleted.
5173         (General_options::General_options): Deleted initializer.
5174         * options.h (options::String_set): New typedef.
5175         (options::parse_set): New function.
5176         (DEFINE_set): New macro.
5177         (General_options::wrap): Changed to use DEFINE_set. Changed
5178         callers of any_wrap_symbols and is_wrap_symbol.
5179         (General_options::trace, General_options::trace_symbol):
5180         New options.
5181         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5182         (General_options::wrap_symbols_): Deleted.
5183         * symtab.cc (Symbol_table::add_from_object): Print trace output.
5184
5185 2008-04-17  David S. Miller  <davem@davemloft.net>
5186
5187         * options.cc (General_options::parse_V): New function.
5188         * options.h: Add entries for -V and -Qy.
5189
5190 2008-04-17  Ian Lance Taylor  <iant@google.com>
5191
5192         * common.cc (Symbol_table::allocate_commons): Remove options
5193         parameter.  Change caller.
5194         (Symbol_table::do_allocate_commons): Remove options parameter.
5195         Change caller.  Just call do_allocate_commons_list twice.
5196         (Symbol_table::do_allocate_commons_list): New function, broken out
5197         of do_allocate_commons.
5198         * common.h (class Allocate_commons_task): Remove options_ field.
5199         Update constructor.
5200         * symtab.cc (Symbol_table::Symbol_table): Initialize
5201         tls_commons_.
5202         (Symbol_table::add_from_object): Put TLS common symbols on
5203         tls_commons_ list.
5204         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5205         which are IN_OUTPUT_DATA.
5206         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5207         allocate_commons and do_allocate_commons declarations.  Declare
5208         do_allocate_commons_list.
5209         * gold.cc (queue_middle_tasks): Update creation of
5210         Allocate_commons_task to not pass options.
5211         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5212         (TLS_TEST_C_FLAGS): New variable.
5213         (tls_test_c_pic.o): New target.
5214         (tls_test_shared.so): Link in tls_test_c_pic.o.
5215         (tls_test_c_pic_ie.o): New target.
5216         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5217         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5218         (tls_test_c.o): New target.
5219         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5220         (tls_pic_test_LDADD): Likewise.
5221         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5222         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5223         (tls_test_c_gnu2.o): New target.
5224         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5225         tls_test_c_gnu2.o.
5226         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5227         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5228         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5229         * testsuite/tls_test.cc: Include "config.h".
5230         (t_last): Call t11_last.
5231         * testsuite/tls_test.h (t11, t11_last): Declare.
5232         * testsuite/tls_test_c.c: New file.
5233         * testsuite/tls_test_main.cc (thread_routine): Call t11.
5234         * configure.ac: Check for OpenMP support.
5235         * configure, config.in, Makefile.in: Rebuild.
5236         * testsuite/Makefile.in: Rebuild.
5237
5238 2008-04-16  Cary Coutant  <ccoutant@google.com>
5239
5240         * i386.cc (Target_i386::define_tls_base_symbol): New function.
5241         (Target_i386::tls_base_symbol_defined_): New field.
5242         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5243         (Target_i386::Scan::global): Likewise.
5244         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
5245         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
5246         (Target_x86_64::tls_base_symbol_defined_): New field.
5247         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
5248         (Target_x86_64::Scan::global): Likewise.
5249
5250 2008-04-16  Cary Coutant  <ccoutant@google.com>
5251
5252         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
5253         (Symbol::needs_plt_entry): Allow weak undefined symbols.
5254         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
5255         building shared libraries.
5256         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
5257         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
5258         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
5259         * testsuite/Makefile.in: Rebuild.
5260         * testsuite/weak_undef.h: New file.
5261         * testsuite/weak_undef_file1.cc: Add extra test cases.
5262         * testsuite/weak_undef_file2.cc: Likewise.
5263         * testsuite/weak_undef_test.cc: Likewise.
5264
5265 2008-04-16  David S. Miller  <davem@davemloft.net>
5266
5267         * sparc.cc (Target_sparc::Scan): Change from struct to class.
5268         Add issued_non_pic_error_ field.  Declare check_non_pic.
5269         (Target_sparc::Scan::check_non_pic): New function.
5270         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
5271         (Target_sparc::Scan::global): Likewise.
5272
5273         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
5274         * configure: Rebuild.
5275
5276         * options.h (DEFINE_enable): New macro.
5277         (new_dtags): New enable option.
5278         (initfirst, interpose, loadfltr, nodefaultlib,
5279         nodelete, nodlopen, nodump): New -z options.
5280         * layout.cc (Layout:finish_dynamic_section): If new
5281         dtags enabled, emit DT_RUNPATH.  Also, emit a
5282         DT_FLAGS_1 containing any specified -z flags.
5283
5284 2008-04-16  Ian Lance Taylor  <iant@google.com>
5285
5286         * copy-relocs.cc: New file.
5287         * copy-relocs.h: New file.
5288         * reloc.cc: Remove Copy_relocs code.
5289         * reloc.h: Likewise.
5290         * reloc-types.h (struct Reloc_types) [both versions]: Add
5291         get_reloc_addend_noerror.
5292         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
5293         variants of add_global which take an addend which must be zero.
5294         * i386.cc: Include "copy-relocs.h".
5295         (class Target_i386): Change type of copy_relocs_ to variable,
5296         update initializer.
5297         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
5298         Change all callers.
5299         (Target_i386::do_finalize_sections): Change handling of
5300         copy_relocs_.
5301         * sparc.cc: Include "copy-relocs.h".
5302         (class Target_sparc): Change type of copy_relocs_ to variable,
5303         update initializer.
5304         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
5305         Change all callers.
5306         (Target_sparc::do_finalize_sections): Change handling of
5307         copy_relocs_.
5308         * x86_64.cc: Include "copy-relocs.h".
5309         (class Target_x86_64): Change type of copy_relocs_ to variable,
5310         update initializer.
5311         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
5312         class.  Change all callers.
5313         (Target_x86_64::do_finalize_sections): Change handling of
5314         copy_relocs_.
5315         * Makefile.am (CCFILES): Add copy-relocs.cc.
5316         (HFILES): Add copy-relocs.h.
5317
5318         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
5319
5320         * testsuite/script_test_4.sh: Permit leading zeroes.
5321
5322 2008-04-15  Ian Lance Taylor  <iant@google.com>
5323
5324         * script-sections.cc (Script_sections::create_segments): Use
5325         header_size_adjustment even when there is enough room for the
5326         headers.
5327         * testsuite/script_test_4.sh: New file.
5328         * testsuite/script_test_4.t: New file.
5329         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
5330         (check_DATA): Add script_test_4.stdout.
5331         (MOSTLYCLEANFILES): Likewise.
5332         (script_test_4): New target.
5333         (script_test_4.stdout): New target.
5334         * testsuite/Makefile.in: Rebuild.
5335
5336         * sparc.cc: Add definitions for Output_data_plt_sparc class
5337         constants.
5338
5339 2008-04-14  David S. Miller  <davem@davemloft.net>
5340
5341         * sparc.cc: New file.
5342         * Makefile.am (TARGETSOURCES): Add sparc.cc
5343         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
5344         * configure.tgt: Document targ_extra_size and
5345         targ_extra_big_endian.  Add entries for sparc-* and
5346         sparc64-*.
5347         * configure.ac: Handle targ_extra_size and
5348         targ_extra_big_endian.
5349         * Makefile.in: Rebuild.
5350         * configure: Likewise.
5351         * po/POTFILES.in: Likewise.
5352         * po/gold.pot: Likewise.
5353
5354 2008-04-14  Ian Lance Taylor  <iant@google.com>
5355
5356         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
5357         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
5358         in the name/type/flags to section mapping.  Don't call
5359         allocate_output_section.
5360         (Layout::choose_output_section): Change parameter from adjust_name
5361         to is_input_section.  Don't permit input sections after sections
5362         are attached to segments.  Don't call allocate_output_section.
5363         (Layout::layout_eh_frame): Call update_flags_for_input_section,
5364         not write_enable_output_section.
5365         (Layout::make_output_section): Don't push to
5366         unattached_section_list_ nor call attach_to_segment.  Call
5367         attach_section_to_segment if sections are attached.
5368         (Layout::attach_sections_to_segments): New function.
5369         (Layout::attach_section_to_segment): New function.
5370         (Layout::attach_allocated_section_to_segment): Rename from
5371         attach_to_segment.  Remove flags parameter.
5372         (Layout::allocate_output_section): Remove function.
5373         (Layout::write_enable_output_section): Remove function.
5374         * layout.h (class Layout): Update for above changes.  Add new
5375         field sections_are_attached_.
5376         * output.h (Output_section::update_flags_for_input_section): New
5377         function.
5378         * output.cc (Output_section::add_input_section): Call
5379         update_flags_for_input_section.
5380         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
5381
5382 2008-04-11  Cary Coutant  <ccoutant@google.com>
5383
5384         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
5385         thought unnecessary.
5386         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
5387
5388 2008-04-11  Ian Lance Taylor  <iant@google.com>
5389
5390         * output.h (class Output_section_data): Remove inline definition
5391         of set_addralign.
5392         * output.cc (Output_section_data::set_addralign): New function.
5393
5394 2008-04-11  Cary Coutant  <ccoutant@google.com>
5395
5396         Add support for TLS descriptors for i386 and x86_64.
5397         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
5398         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
5399         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
5400         GOT_TYPE_TLS_DESC.
5401         (Target_i386::got_mod_index_entry): Remove unnecessary code.
5402         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
5403         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
5404         relocations.
5405         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
5406         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
5407         Fix problem with initial-exec relocations.
5408         (Target_i386::Relocate::relocate_tls): Likewise.
5409         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
5410         relaxation.
5411         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
5412         support for section-plus-offset dynamic table entries.
5413         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
5414         (Output_data_dynamic::Dynamic_entry): Add support for
5415         section-plus-offset dynamic table entries.
5416         (Output_data_dynamic::Classification): Likewise.
5417         (Output_data_dynamic::classification_): Renamed offset_.
5418         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
5419         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
5420         (Target_x86_64::make_plt_section): New function.
5421         (Target_x86_64::reserve_tlsdesc_entries): New function.
5422         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
5423         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
5424         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
5425         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
5426         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
5427         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
5428         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
5429         add extra PLT entry for TLS descriptors.
5430         (Output_data_plt_x86_64::got_): New field.
5431         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
5432         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
5433         fields.
5434         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
5435         descriptors.
5436         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
5437         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
5438         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
5439         R_386_TLS_DESC_CALL relocations.
5440         (Target_x86_64::Scan::global): Likewise.
5441         (Target_x86_64::do_finalize_sections): Add dynamic table entries
5442         for TLS descriptors.
5443         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
5444         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
5445         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
5446         GD-to-IE relaxation.
5447         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
5448         and TLS_DESCRIPTORS.
5449         * Makefile.in: Rebuild.
5450         * configure: Rebuild.
5451         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
5452         (tls_test_shared2.so): New target.
5453         (tls_shared_gd_to_ie_test_SOURCES): New variable.
5454         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
5455         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
5456         (tls_shared_gd_to_ie_test_LDADD): New variable.
5457         (tls_shared_gnu2_gd_to_ie_test): New target.
5458         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
5459         New targets.
5460         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
5461         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
5462         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
5463         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
5464         (tls_shared_gnu2_test): New target.
5465         (tls_test_gnu2_shared.so): New target.
5466         (tls_shared_gnu2_test_SOURCES): New variable.
5467         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
5468         (tls_shared_gnu2_test_LDFLAGS): New variable.
5469         (tls_shared_gnu2_test_LDADD): New variable.
5470         * testsuite/Makefile.in: Rebuild.
5471         * testsuite/Makefile.
5472
5473 2008-04-11  Ian Lance Taylor  <iant@google.com>
5474
5475         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5476         justsyms.t.
5477         * testsuite/Makefile.in: Rebuild.
5478
5479         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5480         long.
5481         * testsuite/script_test_2.cc (main): Adjust test.
5482
5483 2008-04-11  David S. Miller  <davem@davemloft.net>
5484             Ian Lance Taylor  <iant@google.com>
5485
5486         * options.h (General_options): Add entries for '-Y' and
5487         '-relax'.
5488         * options.cc (General_options:finalize): If -Y was used, add those
5489         entries to the library path instead of the default "/lib" and
5490         "/usr/lib".
5491
5492 2008-04-11  David S. Miller  <davem@davemloft.net>
5493
5494         * testsuite/justsyms.t: Start at 0x100.
5495         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
5496         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5497         long.
5498         * testsuite/script_test_2.cc: Adjust string and section length
5499         checks.
5500
5501 2008-04-09  Ian Lance Taylor  <iant@google.com>
5502
5503         PR gold/5996
5504         * script-sections.cc (Sections_element::allocate_to_segment): Add
5505         orphan parameter.
5506         (Output_section_definition::allocate_to_segment): Likewise.
5507         (Orphan_output_section::allocate_to_segment): Likewise.
5508         (Script_sections::attach_sections_using_phdrs_clause): Don't
5509         propagate non-PT_LOAD segments to orphan sections.
5510         * testsuite/Makefile.am (script_test_3.stdout): Generate using
5511         readelf rather than objdump.
5512         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
5513         .interp section and PT_INTERP segment are the same size.
5514         * testsuite/Makefile.in: Rebuild.
5515
5516         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5517         aliases for symbols defined in the same object.
5518         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5519         (weak_alias_test_SOURCES): New variable.
5520         (weak_alias_test_DEPENDENCIES): New variable.
5521         (weak_alias_test_LDFLAGS): New variable.
5522         (weak_alias_test_LDADD): New variable.
5523         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5524         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5525         (weak_alias_test_3.o): New target.
5526         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5527         * testsuite/weak_alias_test_main.cc: New file.
5528         * testsuite/weak_alias_test_1.cc: New file.
5529         * testsuite/weak_alias_test_2.cc: New file.
5530         * testsuite/weak_alias_test_3.cc: New file.
5531
5532 2008-04-08  Ian Lance Taylor  <iant@google.com>
5533
5534         * options.h (class General_options): Add --noinhibit-exec option.
5535         * main.cc (main): Check --noinhibit-exec.
5536
5537         * options.h (class General_options): Define --wrap as a special
5538         option.  Add wrap_symbols_ field.
5539         (General_options::any_wrap_symbols): New function.
5540         (General_options::is_wrap_symbol): New function.
5541         * options.cc (General_options::parse_wrap): New function.
5542         (General_options::General_options): Initialize wrap_symbols_.
5543         * symtab.cc (Symbol_table::wrap_symbol): New function.
5544         (Symbol_table::add_from_object): Handle --wrap.
5545         * symtab.h (class Symbol_table): Declare wrap_symbol.
5546         * target.h (Target::wrap_char): New function.
5547         (Target::Target_info): Add wrap_char field.
5548         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5549         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5550         * testsuite/testfile.cc (Target_test::test_target_info):
5551         Likewise.
5552
5553         * errors.cc (Errors::undefined_symbol): Mention symbol version if
5554         there is one.
5555
5556         * layout.h (class Layout): Add added_eh_frame_data_ field.
5557         * layout.cc (Layout::Layout): Initialize new field.
5558         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5559         output section until we find a section we merged successfully.
5560         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5561         that the size be non-zero.
5562
5563         * merge.cc (Object_merge_map::get_output_offset): Remove inline
5564         qualifier.
5565
5566 2008-04-08  Craig Silverstein  <csilvers@google.com>
5567
5568         * configure.ac: Export new conditional variable HAVE_ZLIB.
5569         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5570         on HAVE_ZLIB.
5571         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5572         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5573
5574 2008-04-07  Ian Lance Taylor  <iant@google.com>
5575
5576         * version.cc (version_string): Set to "1.5".
5577
5578         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5579         Add issued_non_pic_error_ field.  Declare check_non_pic.
5580         (Target_x86_64::Scan::check_non_pic): New function.
5581         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5582         (Target_x86_64::Scan::global): Likewise.
5583
5584         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5585         addend parameter.  Change caller.  Handle merge sections.
5586         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5587         Address to Addend.  Don't add in the result of
5588         local_section_offset, pass down the addend and use the returned
5589         value.
5590         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5591         Update declarations of local_section_offset and symbol_value.
5592         * testsuite/two_file_test_1.cc (t18): New function.
5593         * testsuite/two_file_test_2.cc (f18): New function.
5594         * testsuite/two_file_test_main.cc (main): Call t18.
5595         * testsuite/two_file_test.h (t18, f18): Declare.
5596
5597         * configure.ac: Don't test for objdump, c++filt, or readelf.
5598         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5599         conditionals.
5600         (TEST_READELF): New variable.
5601         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5602         (check_PROGRAMS): Add two_file_strip_test.
5603         (two_file_strip_test): New target.
5604         (check_PROGRAMS): Add two_file_same_shared_strip_test.
5605         (two_file_same_shared_strip_test_SOURCES): New variable.
5606         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5607         (two_file_same_shared_strip_test_LDFLAGS): New variable.
5608         (two_file_same_shared_strip_test_LDADD): New variable.
5609         (two_file_shared_strip.so): New target.
5610         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5611         (ver_test_5.syms, ver_test_7.syms): Likewise.
5612         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5613         (strip_test_3.stdout): Use TEST_OBJDUMP.
5614         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5615
5616 2008-04-04  Cary Coutant  <ccoutant@google.com>
5617
5618         * symtab.h (Symbol::is_weak_undefined): New function.
5619         (Symbol::is_strong_undefined): New function.
5620         (Symbol::is_absolute): New function.
5621         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5622         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5623         absolute symbols.
5624         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5625         (weak_undef_test): New target.
5626         * testsuite/Makefile.in: Rebuild.
5627         * testsuite/weak_undef_file1.cc: New file.
5628         * testsuite/weak_undef_file2.cc: New file.
5629         * testsuite/weak_undef_test.cc: New file.
5630
5631 2008-04-03  Craig Silverstein  <csilvers@google.com>
5632
5633         * compressed_output.h (class Output_compressed_section): Use
5634         unsigned buffer.
5635         * compressed_output.cc (zlib_compress): Use unsigned buffers,
5636         add zlib header.
5637         (zlib_compressed_suffix): Removed.
5638         (Output_compressed_section::set_final_data_size): Use unsigned
5639         buffers.
5640         * testsuite/Makefile.am (flagstest_compress_debug_sections):
5641         Fix linker invocation.
5642         (flagstest_o_specialfile_and_compress_debug_sections):
5643         Likewise.
5644         * testsuite/Makefile.in: Regenerated.
5645
5646 2008-04-02  David S. Miller  <davem@davemloft.net>
5647
5648         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5649         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5650
5651 2008-04-02  Craig Silverstein  <csilvers@google.com>
5652
5653         * TODO: New file.
5654
5655 2008-04-02  Ian Lance Taylor  <iant@google.com>
5656
5657         * fileread.cc (File_read::find_view): Add byteshift and vshifted
5658         parameters.  Update for new key type to views_.  Change all
5659         callers.
5660         (File_read::read): Adjust for byteshift in returned view.
5661         (File_read::add_view): New function, broken out of
5662         find_and_make_view.
5663         (File_read::make_view): New function, broken out of
5664         find_and_make_view.
5665         (File_read::find_or_make_view): Add offset and aligned
5666         parameters.  Rewrite accordingly.  Change all callers.
5667         (File_read::get_view): Add offset and aligned parameters.  Adjust
5668         for byteshift in return value.
5669         (File_read::get_lasting_view): Likewise.
5670         * fileread.h (class File_read): Update declarations.
5671         (class File_read::View): Add byteshift_ field.  Add byteshift to
5672         constructor.  Add byteshift method.
5673         * archive.h (Archive::clear_uncached_views): New function.
5674         (Archive::get_view): Add aligned parameter.  Change all callers.
5675         * object.h (Object::get_view): Add aligned parameter.  Change all
5676         callers.
5677         (Object::get_lasting_view): Likewise.
5678
5679         * fileread.cc (File_read::release): Don't call clear_views if
5680         there are multiple objects.
5681         * fileread.h (File_read::clear_uncached_views): New function.
5682         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5683         on the archive.
5684
5685 2008-03-31  Cary Coutant  <ccoutant@google.com>
5686
5687         Add thin archive support.
5688         * archive.cc (Archive::armagt): New const.
5689         (Archive::setup): Remove task parameter and calls to unlock.
5690         (Archive::unlock_nested_archives): New function.
5691         (Archive::read_header): Add nested_off parameter. Change
5692         all callers.
5693         (Archive::interpret_header): Likewise.
5694         (Archive::include_all_members): Change to handle thin
5695         archives.
5696         (Archive::include_member): Likewise.
5697         * archive.h (Archive::Archive): Add new parameters and
5698         initializers.
5699         (Archive::armagt): New const.
5700         (Archive::setup): Remove task parameter.
5701         (Archive::unlock_nested_archives): New function.
5702         (Archive::read_header): Add nested_off parameter.
5703         (Archive::interpret_header): Likewise.
5704         (Archive::Nested_archive_table): New typedef.
5705         (Archive::is_thin_archive_): New field.
5706         (Archive::nested_archives_): New field.
5707         (Archive::options_): New field.
5708         (Archive::dirpath_): New field.
5709         (Archive::task_): New field.
5710         * readsyms.cc (Read_symbols::do_read_symbols): Add check
5711         for thin archives.  Pass additional parameters to
5712         Archive::Archive.  Unlock the archive file after calling
5713         Archive::setup.
5714
5715 2008-03-29  Ian Lance Taylor  <iant@google.com>
5716
5717         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5718         version symbol to be local.
5719         * testsuite/ver_test_4.sh: New file.
5720         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5721         (check_DATA): Add ver_test_4.syms.
5722         (ver_test_4.syms): New target.
5723         * testsuite/Makefile.in: Rebuild.
5724
5725         * output.cc
5726         (Output_section::Input_section_sort_entry::has_priority): New
5727         function.
5728         (Output_section::Input_section_sort_entry::match_file_name): New
5729         function.
5730         (Output_section::Input_section_sort_entry::match_section_name):
5731         Remove.
5732         (Output_section::Input_section_sort_entry::match_section_name_prefix):
5733         Remove.
5734         (Output_section::Input_section_sort_entry::match_section_file):
5735         Remove.
5736         (Output_section::Input_section_sort_compare::operator()): Rewrite
5737         using new Input_section_sort_entry functions.  Sort crtbegin and
5738         crtend first.  Sort sections with no priority before sections with
5739         a priority.
5740         * testsuite/initpri1.c (d3): Check j != 4.
5741         (cd5): New constructor/destructor function.
5742         (main): Check j != 2.
5743
5744         * symtab.cc (Symbol_table::add_from_object): If we don't use the
5745         new symbol when resolving, don't call set_is_default.
5746         * testsuite/ver_test_7.cc: New file.
5747         * testsuite/ver_test_7.sh: New file.
5748         * testsuite/Makefile.am (ver_test_7.so): New target.
5749         (ver_test_7.o): New target.
5750         (check_SCRIPTS): Add ver_test_7.sh.
5751         (check_DATA): Add ver_test_7.syms.
5752         (ver_test_7.syms): New target.
5753
5754 2008-03-28  Ian Lance Taylor  <iant@google.com>
5755
5756         * layout.cc (Layout::layout): If we see an input section with a
5757         name that needs sorting, set the must_sort flag for the output
5758         section.
5759         (Layout::make_output_section): If the name of the output section
5760         indicates that it might require sorting, set the may_sort flag.
5761         * output.h (Output_section::may_sort_attached_input_sections): New
5762         function.
5763         (Output_section::set_may_sort_attached_input_sections): New
5764         function.
5765         (Output_section::must_sort_attached_input_sections): New
5766         function.
5767         (Output_section::set_must_sort_attached_input_sections): New
5768         function.
5769         (class Output_section): Declare Input_section_sort_entry.  Define
5770         Input_section_sort_compare.  Declare
5771         sort_attached_input_sections.  Add new fields:
5772         may_sort_attached_input_sections_,
5773         must_sort_attached_input_sections_,
5774         attached_input_sections_are_sorted_.
5775         * output.cc (Output_section::Output_section): Initialize new
5776         fields.
5777         (Output_section::add_input_section): Add an entry to
5778         input_sections_ if may_sort or must_sort are true.
5779         (Output_section::set_final_data_size): Call
5780         sort_attached_input_sections if necessary.
5781         (Output_section::Input_section_sort_entry): Define new class.
5782         (Output_section::Input_section_sort_compare::operator()): New
5783         function.
5784         (Output_section::sort_attached_input_sections): New function.
5785         * configure.ac: Check whether the compiler supports constructor
5786         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
5787         * testsuite/initpri1.c: New file.
5788         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5789         CONSTRUCTOR_PRIORITY.
5790         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5791         (initpri1_LDFLAGS): New variable.
5792         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5793
5794 2008-03-27  Ian Lance Taylor  <iant@google.com>
5795
5796         * common.cc (Sort_commons::operator): Correct sorting algorithm.
5797         * testsuite/common_test_1.c: New file.
5798         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5799         (common_test_1_SOURCES): New variable.
5800         (common_test_1_DEPENDENCIES): New variable.
5801         (common_test_1_LDFLAGS): New variable.
5802
5803         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5804         and commons_ correctly when NAME/VERSION does not override
5805         NAME/NULL.
5806         * testsuite/ver_test_6.c: New file.
5807         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5808         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5809         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5810
5811 2008-03-26  Ian Lance Taylor  <iant@google.com>
5812
5813         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5814         of an undefined symbol from a version script.
5815         * testsuite/Makefile.am (ver_test_5.so): New target.
5816         (ver_test_5.o): New target.
5817         (check_SCRIPTS): Add ver_test_5.sh.
5818         (check_DATA): Add ver_test_5.syms.
5819         (ver_test_5.syms): New target.
5820         * testsuite/ver_test_5.cc: New file.
5821         * testsuite/ver_test_5.script: New file.
5822         * testsuite/ver_test_5.sh: New file.
5823         * Makefile.in, testsuite/Makefile.in: Rebuild.
5824
5825         PR gold/5986
5826         Fix problems building gold with gcc 4.3.0.
5827         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5828         (gold_error_at_location, gold_warning_at_location): Use it.
5829         * configure.ac: Check whether we can compile and use a template
5830         function with a printf attribute.
5831         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5832         when jumping over bytes.
5833         * object.cc: Instantiate Object::read_section_data.
5834         * debug.h: Include <cstring>
5835         * dwarf_reader.cc: Include <algorithm>
5836         * main.cc: Include <cstring>.
5837         * options.cc: Include <cstring>.
5838         * output.cc: Include <cstring>.
5839         * script.cc: Include <cstring>.
5840         * script.h: Include <string>.
5841         * symtab.cc: Include <cstring> and <algorithm>.
5842         * target-select.cc: Include <cstring>.
5843         * version.cc: Include <string>.
5844         * testsuite/testmain.cc: Include <cstdlib>.
5845         * configure, config.in: Rebuild.
5846
5847 2008-03-25  Ian Lance Taylor  <iant@google.com>
5848
5849         * options.cc: Include "../bfd/bfdver.h".
5850         (options::help): Print bug reporting address.
5851
5852         * version.cc (print_version): Adjust output for current value of
5853         BFD_VERSION_STRING.
5854
5855         * NEWS: New file.
5856
5857         * options.cc (options::help): Print list of supported targets.
5858         * target-select.h: Include <vector>.
5859         (class Target_selector): Make machine_, size_, and is_big_endian_
5860         fields const.  Add bfd_name_ and instantiated_target_ fields.
5861         (Target_selector::Target_selector): Add bfd_name parameter.
5862         (Target_selector::recognize): Make non-virtual, call
5863         do_recognize.
5864         (Target_selector::recognize_by_name): Make non-virtual, call
5865         do_recognize_by_name.
5866         (Target_selector::supported_names): New function.
5867         (Target_selector::bfd_name): New function.
5868         (Target_selector::do_instantiate_target): New pure virtual
5869         function.
5870         (Target_selector::do_recognize): New virtual function.
5871         (Target_selector::do_recognize_by_name): New virtual function.
5872         (Target_selector::instantiate_target): New private function.
5873         (supported_target_names): Declare.
5874         * target-select.cc (Target_selector::Target_selector): Update for
5875         new parameter and fields.
5876         (select_target_by_name): Check that the name matches before
5877         calling recognize_by_name.
5878         (supported_target_names): New function.
5879         * i386.cc (class Target_selector_i386): Update Target_selector
5880         constructor call.  Remove recognize and recognize_by_name.  Add
5881         do_instantiate_target.
5882         * x86_64.cc (class Target_selector_x86_64): Likewise.
5883         * testsuite/testfile.cc (class Target_selector_test): Update for
5884         changes to Target_selector.
5885
5886         * README: Rewrite, with some notes on unsupported features.
5887
5888 2008-03-24  Cary Coutant  <ccoutant@google.com>
5889
5890         * i386.cc (Target_i386::Got_type): New enum declaration.
5891         (Target_i386::Scan::local): Updated callers of Output_data_got
5892         member functions.
5893         (Target_i386::Scan::global): Likewise.
5894         (Target_i386::Relocate::relocate): Likewise.
5895         (Target_i386::Relocate::relocate_tls): Likewise.
5896         * object.h (Got_offset_list): New class.
5897         (Sized_relobj::local_has_got_offset): Added got_type parameter.
5898         (Sized_relobj::local_got_offset): Likewise.
5899         (Sized_relobj::set_local_got_offset): Likewise.
5900         (Sized_relobj::local_has_tls_got_offset): Removed.
5901         (Sized_relobj::local_tls_got_offset): Removed.
5902         (Sized_relobj::set_local_tls_got_offset): Removed.
5903         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5904         * output.cc (Output_data_got::add_global): Added got_type parameter.
5905         (Output_data_got::add_global_with_rel): Likewise.
5906         (Output_data_got::add_global_with_rela): Likewise.
5907         (Output_data_got::add_global_pair_with_rel): New function.
5908         (Output_data_got::add_global_pair_with_rela): New function.
5909         (Output_data_got::add_local): Added got_type parameter.
5910         (Output_data_got::add_local_with_rel): Likewise.
5911         (Output_data_got::add_local_with_rela): Likewise.
5912         (Output_data_got::add_local_pair_with_rel): New function.
5913         (Output_data_got::add_local_pair_with_rela): New function.
5914         (Output_data_got::add_global_tls): Removed.
5915         (Output_data_got::add_global_tls_with_rel): Removed.
5916         (Output_data_got::add_global_tls_with_rela): Removed.
5917         (Output_data_got::add_local_tls): Removed.
5918         (Output_data_got::add_local_tls_with_rel): Removed.
5919         (Output_data_got::add_local_tls_with_rela): Removed.
5920         * output.h (Output_data_got::add_global): Added got_type parameter.
5921         (Output_data_got::add_global_with_rel): Likewise.
5922         (Output_data_got::add_global_with_rela): Likewise.
5923         (Output_data_got::add_global_pair_with_rel): New function.
5924         (Output_data_got::add_global_pair_with_rela): New function.
5925         (Output_data_got::add_local): Added got_type parameter.
5926         (Output_data_got::add_local_with_rel): Likewise.
5927         (Output_data_got::add_local_with_rela): Likewise.
5928         (Output_data_got::add_local_pair_with_rel): New function.
5929         (Output_data_got::add_local_pair_with_rela): New function.
5930         (Output_data_got::add_global_tls): Removed.
5931         (Output_data_got::add_global_tls_with_rel): Removed.
5932         (Output_data_got::add_global_tls_with_rela): Removed.
5933         (Output_data_got::add_local_tls): Removed.
5934         (Output_data_got::add_local_tls_with_rel): Removed.
5935         (Output_data_got::add_local_tls_with_rela): Removed.
5936         * resolve.cc (Symbol::override_base_with_special): Removed
5937         reference to has_got_offset_ field.
5938         * symtab.cc (Symbol::init_fields): Replaced initialization
5939         of got_offset_ with got_offsets_.  Removed initialization
5940         of has_got_offset_
5941         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
5942         (Symbol::got_offset): Likewise.
5943         (Symbol::set_got_offset): Likewise.
5944         (Symbol::has_tls_got_offset): Removed.
5945         (Symbol::tls_got_offset): Removed.
5946         (Symbol::set_tls_got_offset): Removed.
5947         (Symbol::got_offset_): Removed.
5948         (Symbol::tls_mod_got_offset_): Removed.
5949         (Symbol::tls_pair_got_offset_): Removed.
5950         (Symbol::got_offsets_): New field.
5951         (Symbol::has_got_offset): Removed.
5952         (Symbol::has_tls_mod_got_offset): Removed.
5953         (Symbol::has_tls_pair_got_offset): Removed.
5954         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5955         (Target_x86_64::Scan::local): Updated callers of Output_data_got
5956         member functions.
5957         (Target_x86_64::Scan::global): Likewise.
5958         (Target_x86_64::Relocate::relocate): Likewise.
5959         (Target_x86_64::Relocate::relocate_tls): Likewise.
5960
5961 2008-03-25  Ben Elliston  <bje@au.ibm.com>
5962
5963         * yyscript.y: Fix spelling error in comment.
5964
5965 2008-03-24  Ian Lance Taylor  <iant@google.com>
5966
5967         * options.h (class General_options): Define build_id option.
5968         * layout.h (class Layout): Declare write_build_id, create_note,
5969         create_build_id.  Add build_id_note_ member.
5970         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5971         "libiberty.h", "md5.h", "sha1.h".
5972         (Layout::Layout): Initialize eh_frame_data_,
5973         eh_frame_hdr_section_, and build_id_note_.
5974         (Layout::finalize): Call create_build_id.
5975         (Layout::create_note): New function, broken out of
5976         Layout::create_gold_note.
5977         (Layout::create_gold_note): Call create_note.
5978         (Layout::create_build_id): New function.
5979         (Layout::write_build_id): New function.
5980         (Close_task_runner::run): Call write_build_id.
5981
5982         * x86_64.cc: Correct license to GPLv3.
5983
5984 2008-03-23  Ian Lance Taylor  <iant@google.com>
5985
5986         * options.cc: Include "demangle.h".
5987         (parse_optional_string): New function.
5988         (parse_long_option): Handle takes_optional_argument.
5989         (parse_short_option): Update dash_z initializer.  Handle
5990         takes_optional_argument.
5991         (General_options::General_options): Initialize do_demangle_.
5992         (General_options::finalize): Set do_demangle_.  Handle demangling
5993         style.
5994         * options.h (parse_optional_string): Declare.
5995         (struct One_option): Add optional_arg field.  Update constructor.
5996         Update call constructor calls.  Add takes_optional_argument
5997         function.
5998         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
5999         (DEFINE_optional_string): Define.
6000         (General_options::demangle): Change from DEFINE_bool to
6001         DEFINE_optional_string.
6002         (General_options::no_demangle): New function.
6003         (General_options::do_demangle): New function.
6004         (General_options::set_do_demangle): New function.
6005         (General_options::execstack_status_): Move definition to end of
6006         class definition.
6007         (General_options::static_): Likewise.
6008         (General_options::do_demangle_): New field.
6009         * object.cc (big_endian>::get_symbol_location_info): Call
6010         Options::do_demangle, not Options::demangle.
6011         * symtab.cc (demangle): Likewise.
6012
6013 2008-03-22  Ian Lance Taylor  <iant@google.com>
6014
6015         * gold.h: Include <cstddef> and <sys/types.h>
6016         * options.h: Include <cstring>.
6017
6018 2008-03-21  Ian Lance Taylor  <iant@google.com>
6019
6020         * Added source code to GNU binutils.