gold/ChangeLog

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