gold/ChangeLog

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