gold/ChangeLog

   1 2013-05-21  Cary Coutant  <ccoutant@google.com>
   2
   3         * object.cc (Sized_relobj_file::get_symbol_location_info): Set
   4         type of enclosing symbol.
   5         (Relocate_info::location): Check symbol type when describing symbol.
   6         * object.h (Symbol_location_info): Remove unused line_number;
   7         add enclosing_symbol_type.
   8         * testsuite/debug_msg.sh: Adjust expected output.
   9
  10 2013-05-13  Cary Coutant  <ccoutant@google.com>
  11
  12         * configure.ac: Export DEFAULT_TARGET.
  13         * configure: Regenerate.
  14         * Makefile.in: Regenerate.
  15         * testsuite/Makefile.am: Add .EXPORT_ALL_VARIABLES.
  16         * testsuite/Makefile.in: Regenerate.
  17         * testsuite/debug_msg.sh: Delete duplicate tests.
  18         Don't check undef_int error message match for powerpc where the
  19         source file and line number aren't available.
  20
  21 2013-05-10  Roland McGrath  <mcgrathr@google.com>
  22
  23         * options.h (General_options): Add --rosegment-gap option.
  24         * options.cc (finalize): --rosegment-gap implies --rosegment.
  25         * layout.cc (set_segment_offsets): Let user option override
  26         target->rosegment_gap().
  27
  28 2013-05-10  Roland McGrath  <mcgrathr@google.com>
  29
  30         * options.h (General_options): Remove leading space from help
  31         messages for -nostdlib and --rosegment.
  32
  33 2013-05-03  Maciej W. Rozycki  <macro@codesourcery.com>
  34
  35         PR ld/15365
  36         * layout.cc (Layout::finalize): Make __ehdr_start STV_HIDDEN.
  37
  38 2013-05-03  Alan Modra  <amodra@gmail.com>
  39
  40         * merge.cc (Output_merge_string::do_add_input_section): Correct
  41         scan for number of strings.  Rename vars to avoid shadowing.
  42         Include missing terminator in input_size_.
  43
  44 2013-05-01  H.J. Lu  <hongjiu.lu@intel.com>
  45
  46         * merge.cc (Output_merge_string<Char_type>::do_add_input_section):
  47         Restore empty string handling.
  48
  49 2013-05-01  Cary Coutant  <ccoutant@google.com>
  50
  51         * stringpool.cc (Stringpool_template::new_key_offset): Fix
  52         uninitialized warning.
  53
  54 2013-04-29  Alexander Ivchenko  <alexander.ivchenko@intel.com>
  55
  56         * output.cc (Output_section::add_merge_input_section): Allow
  57         to merge sections if the alignment is more than character size.
  58         * merge.h (Output_merge_string::Output_merge_string): Remove
  59         assert.
  60         * merge.cc (Output_merge_string<Char_type>::do_add_input_section): Count
  61         only not-null strings. Check the alignment of strings.
  62         * stringpool.h
  63         (Stringpool_template<Stringpool_char>::Stringpool_template): Add
  64         alignment as the argument.
  65         (Stringpool_template<Stringpool_char>::addralign_): New class member.
  66         * stringpool.cc (Stringpool_template<Stringpool_char>::new_key_offset):
  67         Align non-zero length strings according to the addralign_.
  68         (Stringpool_template<Stringpool_char>::set_string_offsets):
  69         Updating offsets according to the given alignment.
  70         * testsuite/Makefile.am (text_section_grouping): Test if string
  71         literals are getting merged.
  72         * testsuite/Makefile.in: Regenerate.
  73         * testsuite/merge_string_literals_1.c: New file.
  74         * testsuite/merge_string_literals_2.c: Ditto.
  75         * testsuite/merge_string_literals.sh: Ditto.
  76
  77 2013-04-26  Ian Lance Taylor  <iant@google.com>
  78
  79         * target-reloc.h (relocate_section): If the reloc offset is out of
  80         range, pass VIEW as NULL to relocate.relocate.
  81         * arm.cc (Target_arm:Relocate::relocate): Check for a NULL view.
  82         * i386.cc (Target_i386::Relocate::relocate): Likewise.
  83         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
  84         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
  85         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  86         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
  87
  88 2013-04-26  Geoff Pike  <gpike@chromium.org>
  89
  90         * gold.cc (queue_final_tasks): invoke layout->queue_build_id_tasks().
  91         * layout.cc (Hash_task): New class.
  92         (Layout::queue_build_id_tasks): New function.
  93         (Layout::write_build_id): Handle single-thread portion of build ID
  94         computation.  (In some cases, all of it is single-threaded.)  Replace
  95         {sha1,md5}_process_bytes with {sha1,md5}_buffer to get the same
  96         functionality in fewer lines of code.
  97         * layout.h (Layout::queue_build_id_tasks): New function declaration.
  98         * options.h (General_options): make "--build-id" default to tree
  99         rather than sha1.  Add two new options related to --build-id=tree:
 100         --build-id-chunk-size-for-treehash and
 101         --build-id-min-file-size-for-treehash.
 102         * Makefile.am: add testing of --build-id=tree and related new options
 103         (these tests will be invoked by "make check").
 104         * Makefile.in: Regenerate.
 105
 106 2013-04-25  Alan Modra  <amodra@gmail.com>
 107
 108         * configure.tgt: Add powerpcle and powerpc64le.
 109
 110 2013-04-22  Alan Modra  <amodra@gmail.com>
 111
 112         PR gold/15355
 113         * layout.cc (Layout::segment_precedes): Allow more than one
 114         segment with the same type and flags.
 115
 116 2013-04-15  Cary Coutant  <ccoutant@google.com>
 117
 118         * layout.cc (Layout::set_relocatable_section_offsets): Don't
 119         allocate space in file for BSS sections.
 120
 121 2013-04-15  Cary Coutant  <ccoutant@google.com>
 122
 123         * script-sections.cc (Orphan_output_section): Reset address
 124         to zero after each orphaned section for relocatable links.
 125
 126 2013-04-15  Cary Coutant  <ccoutant@google.com>
 127
 128         * symtab.cc (Symbol_table::sized_write_globals): Subtract
 129         section starting address for relocatable link.
 130         * testsuite/Makefile.am (script_test_11): New test.
 131         * testsuite/Makefile.in: Regenerate.
 132         * testsuite/script_test_11.c: New source file.
 133         * testsuite/script_test_11.t: New linker script.
 134
 135 2013-04-13  Alan Modra  <amodra@gmail.com>
 136
 137         * powerpc.cc (Stub_control::can_add_to_stub_group): Don't set
 138         owner when sections are not adjacent and exceed group size.
 139         (Target_powerpc::group_sections): Handle corner case.
 140         (Target_powerpc::Branch_info::make_stub): Handle case where
 141         stub table doesn't exist due to branches in non-exec sections.
 142         (Target_powerpc::Relocate::relocate): Likewise.
 143
 144 2013-04-11  Alan Modra  <amodra@gmail.com>
 145
 146         PR gold/15354
 147         * powerpc.cc (Target_powerpc::make_brlt_section): Name section
 148         .branch_lt to match bfd ld.  Adjust comments throughout file.
 149
 150 2013-04-04  Ian Lance Taylor  <iant@google.com>
 151
 152         GCC PR c++/56840
 153         * object.cc (do_layout_deferred_sections): Handle .eh_frame
 154         sections before checking whether they are included in the link.
 155
 156 2013-03-29  Sriraman Tallam  <tmsriram@google.com>
 157
 158         * archive.cc (Archive::get_elf_object_for_member):  Create the elf
 159         object before calling the plugin claim_file handler.  Pass the elf
 160         object of the archive to the plugin. Delete the elf object if the
 161         plugin claims the file.
 162
 163 2013-03-21  Alan Modra  <amodra@gmail.com>
 164
 165         * layout.cc (Layout::set_segment_offsets): Accept writable .text
 166         segment when omagic.
 167
 168 2013-03-21  Alan Modra  <amodra@gmail.com>
 169
 170         * dwp.cc (Dwp_output_file::add_contribution): Avoid signed/unsigned
 171         comparison warning.
 172         * layout.cc (Layout::create_dynamic_symtab): Avoid "may be used
 173         uninitialized" warning.
 174
 175 2013-03-20  Alan Modra  <amodra@gmail.com>
 176
 177         * symtab.h (Symbol::clear_version): New function.
 178         * symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object
 179         is_needed by weak references.  Clear version for symbols defined
 180         in as-needed objects that are not needed.
 181
 182 2013-03-15  Alan Modra  <amodra@gmail.com>
 183
 184         * powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Make
 185         static and public.  Add report_err param.  Return false for data refs.
 186         (Target_powerpc::rela_dyn_section): New overloaded function.
 187         (Target_powerpc::plt_, iplt_): Elucidate.
 188         (Output_data_plt_powerpc::entry_count): Handle current_data_size()==0.
 189         (Output_data_plt_powerpc::do_write): Don't write .iplt.
 190         (Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries.
 191         (Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc
 192         calls.  Put ifunc dynamic relocs in irela_dyn_section.  Only
 193         push_branch and make_plt_entry for ifunc syms when
 194         reloc_needs_plt_for_ifunc.
 195         (Target_powerpc::Relocate::relocate): Don't use plt entry value
 196         for ifunc unless reloc_needs_plt_for_ifunc.
 197
 198 2013-03-15  Alan Modra  <amodra@gmail.com>
 199
 200         * gc.h (gc_process_relocs): Don't look through function descriptors.
 201         * icf.cc (get_section_contents): Do so here instead.
 202
 203 2013-03-13  Alan Modra  <amodra@gmail.com>
 204
 205         * powerpc.cc (is_branch_reloc): Forward declare.
 206         (Target_powerpc::do_can_check_for_function_pointers): New predicate.
 207         (Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return
 208         false for 64-bit, true for 32-bit non-branch relocs.
 209         (Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise.
 210         * testsuite/Makefile.am (icf_test): Use linker map file instead of
 211         nm output.
 212         (icf_safe_test): Generate linker map file as well as nm output.
 213         (icf_safe_so_test): Likewise.
 214         * testsuite/Makefile.in: Regenerate.
 215         * testsuite/icf_test.sh: Parse linker map file to determine
 216         section folding.
 217         * testsuite/icf_safe_test.sh: Likewise.  Expect folding for PowerPC.
 218         * testsuite/icf_safe_so_test.sh: Likewise.
 219         (X86_32_or_ARM_specific_safe_fold): Merge into..
 220         (arch_specific_safe_fold): ..this.
 221         (X86_64_specific_safe_fold): Delete unused function.
 222
 223 2013-03-12  Alan Modra  <amodra@gmail.com>
 224
 225         * gc.h (gc_process_relocs): Look through function descriptors
 226         to determine shndx, symvalue and addend used by ICF.  Tidy
 227         variable duplication.
 228
 229 2013-03-11  Alan Modra  <amodra@gmail.com>
 230
 231         * gold.cc (queue_middle_tasks): Move detect_odr_violations..
 232         * layout.cc (Layout_task_runner::run): ..to here.
 233         * symtab.h (struct Symbol_location): Extract from..
 234         (class Symbol_table): ..here.
 235         * symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location.
 236         * target.h (class Target): Add function_location and
 237         do_function_location functions.
 238         (class Sized_target): Add do_function_location.
 239         * object.h (class Sized_relobj_file): Move find_shdr..
 240         (class Object): ..to here.
 241         * object.cc: Likewise.  Update to suit.  Instantiate.
 242         (Sized_relobj_file::find_eh_frame): Update find_shdr call.
 243         * powerpc.cc (class Powerpc_dynobj): New.
 244         (Target_powerpc::do_function_location): New function.
 245         (Powerpc_relobj::do_find_special_sections): Update find_shdr call.
 246         (Powerpc_dynobj::do_read_symbols): New function.
 247         (Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.
 248
 249 2013-03-08  Ian Lance Taylor  <iant@google.com>
 250
 251         * options.cc (General_options::string_to_object_format): Accept
 252         "default".
 253
 254 2013-03-08  Alan Modra  <amodra@gmail.com>
 255
 256         * ehframe.h (Post_fdes) Make it a vector of Post_fde rather than
 257         pointer to Post_fde.
 258         (struct Post_fde): Move definition to here..
 259         * ehframe.cc (struct Post_fde): ..from here.
 260         (Cie::write): Don't alloc Post_fde.
 261         (Eh_frame::do_sized_write): Update.  Don't free Post_fde.
 262
 263 2013-03-07  Alan Modra  <amodra@gmail.com>
 264
 265         * testsuite/discard_locals_relocatable_test.c: Add a powerpc
 266         relocation referencing .LC0.
 267         * testsuite/discard_locals_test.sh: Remove FIXMEs.
 268
 269 2013-03-07  Alan Modra  <amodra@gmail.com>
 270
 271         * testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark
 272         always_inline.  Add assembly for powerpc to avoid GOT.
 273
 274 2013-03-07  Alan Modra  <amodra@gmail.com>
 275
 276         * testsuite/script_test_10.sh: Don't test .bss section
 277         header number.
 278
 279 2013-03-06  Alan Modra  <amodra@gmail.com>
 280
 281         * powerpc.cc (class Powerpc_relobj): Move some member functions.
 282         (Target_powerpc::symval_for_branch):  Add symtab param.  Update
 283         all callers.  Handle folded sections.
 284         (Target_powerpc::do_gc_add_reference): Don't cast dynamic object
 285         to Powerpc_relobj.
 286         (Global_symbol_visitor_opd::operator()): Likewise.
 287
 288 2013-03-04  Alan Modra  <amodra@gmail.com>
 289
 290         * testsuite/Makefile.am (final_layout_script.lds): Add .sbss.
 291         * testsuite/Makefile.in: Regenerate.
 292
 293 2013-03-01  Cary Coutant  <ccoutant@google.com>
 294
 295         Add dwp support for v2 DWARF package file format.
 296         * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
 297         tu_length parameter.  Adjust all callers.
 298         * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
 299         * dwp.cc: Include dwarf.h.
 300         (Section_bounds): New struct type.
 301         (Unit_set): New struct type.
 302         (Dwo_file::Dwo_file): Initialize new data member.
 303         (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
 304         Combine and rename to...
 305         (Dwo_file::read_unit_index): ...this.
 306         (Dwo_file::sized_read_compunit_index)
 307         (Dwo_file::sized_read_typeunit_index): Combine and rename to...
 308         (Dwo_file::sized_read_unit_index): ...this.
 309         (Dwo_file::copy_section): Remove section_name, is_str_offsets
 310         parameters; add section_id parameter.
 311         (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
 312         (Dwo_file::add_unit_set): ...this.
 313         (Dwo_file::shndx_map_): Remove.
 314         (Dwo_file::sect_offsets_): New data member.
 315         (Dwp_output_file::Dwp_output_file): Initialize new data members.
 316         (Dwp_output_file::add_section): Rename to...
 317         (Dwp_output_file::add_contribution): ...this.
 318         (Dwp_output_file::add_cu_set): Combine parameters into a struct.
 319         (Dwp_output_file::add_tu_set): Likewise.
 320         (Dwp_output_file::Contribution): New type.
 321         (Dwp_output_file::Section::contributions): New data member.
 322         (Dwp_output_file::Cu_or_tu_set): Remove.
 323         (Dwp_output_file::Section::Section): New ctor.
 324         (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
 325         (Dwp_output_file::Dwp_index::Section_table): New type.
 326         (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
 327         (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
 328         parameter.
 329         (Dwp_output_file::Dwp_index::shndx_pool): Remove.
 330         (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
 331         (Dwp_output_file::Dwp_index::section_table): New member function.
 332         (Dwp_output_file::Dwp_index::section_table_end): New member function.
 333         (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
 334         (Dwp_output_file::Dwp_index::section_table_rows): New member function.
 335         (Dwp_output_file::Dwp_index::section_table_cols): New member function.
 336         (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
 337         (Dwp_output_file::Dwp_index::section_table_): New data member.
 338         (Dwp_output_file::Dwp_index::section_mask_): New data member.
 339         (Dwp_output_file::add_output_section): New member function.
 340         (Dwp_output_file::write_new_section): New member function.
 341         (Dwp_output_file::write_contributions): New member function.
 342         (Dwp_output_file::section_id_map_): New data member.
 343         (class Dwo_id_info_reader): Remove.
 344         (class Unit_reader): New class.
 345         (get_dwarf_section_name): New function.
 346         (Dwo_file::read_executable): Adjust initializations of class data.
 347         (Dwo_file::read): Add support for v2 package file format.
 348         (Dwo_file::read_unit_index): Likewise.
 349         (Dwo_file::sized_read_unit_index): Likewise.
 350         (Dwo_file::copy_section): Likewise.
 351         (Dwo_file::add_unit_set): Likewise.
 352         (Dwp_output_file::add_output_section): Likewise.
 353         (Dwp_output_file::add_contribution): Likewise.
 354         (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
 355         for empty slot.
 356         (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
 357         file format.
 358         (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
 359         slot.
 360         (Dwp_output_file::initialize): Remove unused function.
 361         (Dwp_output_file::finalize): Add support for v2 package file format.
 362         (Dwp_output_file::write_index): Likewise.
 363         * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
 364         function prototype.
 365
 366 2013-03-01  Cary Coutant  <ccoutant@google.com>
 367
 368         * dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
 369         function into class definition in header file.
 370         (Dwarf_info_reader::warn_corrupt_debug_section): New function.
 371         * dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
 372         New function.
 373         (Dwarf_info_reader::check_buffer): Move here from .cc file.
 374
 375 2013-02-28  Alan Modra  <amodra@gmail.com>
 376
 377         * target.h (Target::plt_fde_location, do_plt_fde_location): Declare.
 378         * target.cc (Target::do_plt_fde_location): New function.
 379         * ehframe.h (class FDE): Add post_map field to u_.from_linker,
 380         accessor function, and constructor param.
 381         (struct Post_fde, Post_fdes): Declare.
 382         (Cie::write): Add post_fdes param.
 383         * ehframe.cc (Fde::write): Use plt_fde_location.
 384         (struct Post_fde): Define.
 385         (Cie::write): Stash FDEs added post merge mapping.
 386         (Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
 387         Adjust Fde constructor call.  Bump final_data_size_ for post map FDEs.
 388         (Eh_frame::do_sized_write): Arrange to write post map FDES after
 389         other FDEs.
 390         * powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
 391         (Target_powerpc::has_glink): New function.
 392         (Target_powerpc::do_relax): Add eh_frame info for stubs.
 393         (struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
 394         glink_eh_frame_fde_32, default_fde): New data.
 395         (Stub_table::eh_frame_added_): New var.
 396         (Stub_table::find_long_branch_entry, stub_address, stub_offset):
 397         Make const.
 398         (Stub_table::add_eh_frame): New function.
 399         (Output_data_glink::add_eh_frame): New function.
 400         (Target_powerpc::make_glink_section): Call add_eh_frame.
 401
 402 2013-02-15  Ian Lance Taylor  <iant@google.com>
 403
 404         * options.h (DEFINE_uint64_alias): Define.
 405         (class General_options): Add -Ttext-segment as an alias for
 406         -Ttext.
 407
 408 2013-02-15  Alan Modra  <amodra@gmail.com>
 409
 410         * powerpc.cc (Stub_table::plt_off): New function, extracted from..
 411         (Stub_table::do_write): ..here, two places.
 412         (Stub_table::plt_call_size): Use it here too.
 413
 414 2013-02-11  Ian Lance Taylor  <iant@google.com>
 415
 416         * descriptors.cc (Descriptors::close_all): New function.
 417         * descriptors.h (class Descriptors): Declare close_all.
 418         (close_all_descriptors): New inline function.
 419         * plugin.cc: Include "descriptors.h".
 420         (Plugin_manager::cleanup): Call close_all_descriptors.
 421
 422 2013-02-06  Alan Modra  <amodra@gmail.com>
 423
 424         * README: Update coding style link.
 425
 426 2013-01-28  Cary Coutant  <ccoutant@google.com>
 427
 428         * dwp.cc (File_list): New typedef.
 429         (Dwo_name_info_reader): New class.
 430         (Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
 431         (Dwo_id_info_reader::visit_top_die): Remove unused member function.
 432         (Dwo_file::~Dwo_file): Delete input_file_ after obj_.
 433         (Dwo_file::read_executable): New function.
 434         (Dwo_file::read): Move common setup code to ...
 435         (Dwo_file::make_object): ... here.
 436         (dwp_options): Add --exec/-e.
 437         (usage): Likewise.
 438         (main): Likewise.
 439
 440 2013-01-24  Sriraman Tallam  <tmsriram@google.com>
 441
 442         * layout.cc (Layout::layout): Check for option text_reorder.
 443         (Layout::make_output_section): Ditto.
 444         * options.h (text_reorder): New option.
 445         * output.cc (Input_section_sort_compare): Remove special ordering
 446         of section names.
 447         (Output_section::
 448          Input_section_sort_section_name_special_ordering_compare::
 449          operator()): New function.
 450         (Output_section::sort_attached_input_sections): Use new sort function
 451         for .text.
 452         * output.h (Input_section_sort_section_name_special_ordering_compare):
 453         New struct.
 454         * testsuite/Makefile.am (text_section_grouping): Test option
 455         --no-text-reorder
 456         * testsuite/Makefile.in: Regenerate.
 457         * testsuite/text_section_grouping.sh: Check order of functions without
 458         default text reordering.
 459
 460 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
 461
 462         * options.h (General_options): Change default to true for new_dtags.
 463
 464 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
 465
 466         * layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
 467         when enable_new_dtags is false.  Only add DT_RUNPATH when
 468         enable_new_dtags is true.
 469
 470 2013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
 471
 472         * powerpc.cc (Stub_table::find_plt_call_entry): Make types
 473         used in declaration and definition consistent.
 474         (Target_powerpc::symval_for_branch): Ditto.
 475
 476 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
 477
 478         * testsuite/plugin_final_layout.cc: Fix comment.
 479
 480 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
 481
 482         * layout.cc (Layout::layout): Do not do default sorting for
 483         text sections when section ordering is specified.
 484         (make_output_section): Ditto.
 485         * testsuite/plugin_final_layout.cc: Name the function sections
 486         to catch reordering issues.
 487
 488 2013-01-15  Alan Modra  <amodra@gmail.com>
 489
 490         * powerpc.cc (Target_powerpc::do_relax): Default shared libs to
 491         plt-thread-safe.
 492
 493 2013-01-15  Alan Modra  <amodra@gmail.com>
 494
 495         * testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
 496         * testsuite/Makefile.in: Regenerate.
 497
 498 2013-01-14  Alan Modra  <amodra@gmail.com>
 499
 500         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
 501         * testsuite/Makefile.in: Regenerate.
 502
 503 2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
 504
 505         PR bfd/14430
 506         Fix mingw gold build with plugins enabled
 507         * Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
 508         * configure.ac: Export DLOPEN_LIBS and add headers check.
 509         * plugin.cc: Handle non-dlfcn case.
 510         * Makefile.in: Regenerate.
 511         * config.in: Regenerate.
 512         * configure: Regenerate.
 513         * testsuite/Makefile.in: Regenerate.
 514
 515 2013-01-09  Sriraman Tallam  <tmsriram@google.com>
 516
 517         * output.h (sort_attached_input_sections): Change to be public.
 518         * script-sections.cc
 519         (Output_section_definition::set_section_addresses): Sort
 520         attached input sections according to section order before linker
 521         script assigns section addresses.
 522         (Orphan_output_section::set_section_addresses): Sort
 523         attached input sections according to section order before linker
 524         script assigns section addresses.
 525         * Makefile.am (final_layout.sh): Use a simple linker script to
 526         check if section ordering still works.
 527         * Makefile.in: Regenerate.
 528
 529 2013-01-09  Ben Cheng  <bccheng@google.com>
 530
 531         * arm.cc (Target_arm::attributes_accept_div): New function.
 532         (Target_arm::attributes_forbid_div): New function.
 533         (Target_arm::merge_object_attributes): Merge the Tag_DIV_use
 534         attribute using the same new functions as what bfd/elf32_arm.c
 535         does.
 536
 537 2013-01-07  Cary Coutant  <ccoutant@google.com>
 538
 539         PR gold/14993
 540         * output.cc (Output_section::add_input_section): For incremental
 541         updates, don't track input sections that are allocated from patch
 542         space.
 543
 544 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
 545             Ian Lance Taylor  <iant@google.com>
 546
 547         PR gold/14897
 548         * configure.ac (--enable-ld): Removed.
 549         (install_as_default): Set to yes only for --enable-gold=default
 550         or --disable-ld.
 551         * configure: Regenerated.
 552
 553 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
 554
 555         * options.h (General_options): Add -fuse-ld= for GCC linker
 556         option compatibility.
 557
 558 2013-01-04  Cary Coutant  <ccoutant@google.com>
 559
 560         * configure.ac: Fix typo restoring CXXFLAGS.
 561         * configure: Regenerate.
 562
 563 2013-01-04  Cary Coutant  <ccoutant@google.com>
 564
 565         * testsuite/Makefile.am (CXXLINK_S): New macro.
 566         (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
 567         * testsuite/Makefile.in: Regenerate.
 568
 569 2013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
 570
 571         * version.cc (print_version): Update copyright year to 2013.
 572
 573 2012-12-20  Ian Lance Taylor  <iant@google.com>
 574
 575         * layout.cc (Layout::special_ordering_of_input_section): New
 576         function.
 577         (Layout::layout): If input section requires special ordering, must
 578         sort input sections.
 579         (Layout::make_output_section): May sort .text input sections.
 580         (Layout::is_section_name_prefix_grouped): Remove.
 581         * layout.h (class Layout): Declare
 582         special_ordering_of_input_section.  Don't declare
 583         is_section_name_prefix_grouped.
 584         * output.cc (Output_section::add_input_section): Revert last
 585         change.
 586         (Output_section::Input_section_sort::match_file_name): Don't crash
 587         if called on output section data.
 588         (Output_section::Input_section_sort_compare): Sort based on
 589         special ordering.
 590         (Output_section::Input_section_sort_section_order_index_compare):
 591         Revert last patch.
 592         (Output_section::sort_attached_input_sections): Likewise.
 593
 594 2012-12-18  Sriraman Tallam  <tmsriram@google.com>
 595
 596         * layout.cc (Layout::is_section_name_prefix_grouped): New function.
 597         * layout.h (Layout::is_section_name_prefix_grouped): New function.
 598         * output.cc (Output_section::add_input_section): Check if section
 599         name contains special prefix.  Keep input sections to sort such
 600         sections.
 601         (Output_section::Input_section_sort_section_order_index_compare
 602          ::operator()): Group sections according to prefixes.
 603         (Output_section::sort_attached_input_sections): Add condition to
 604         Input_section_entry constructor call.
 605         * testsuite/Makefile.am (text_section_grouping): New test.
 606         * testsuite/Makefile.in: Regenerate.
 607         * testsuite/text_section_grouping.cc: New file.
 608         * testsuite/text_section_grouping.sh: New file.
 609
 610 2012-12-17  Nick Clifton  <nickc@redhat.com>
 611
 612         * Makefile.am: Add copyright notice.
 613         * NEWS: Likewise.
 614         * README: Likewise.
 615         * configure.ac: Likewise.
 616         * ftruncate.c: Likewise.
 617         * Makefile.in: Regenerate.
 618
 619 2012-12-14  Cary Coutant  <ccoutant@google.com>
 620
 621         * testsuite/Makefile.am (exception_separate_shared_12_test): Add
 622         --no-as-needed flag.
 623         (exception_separate_shared_12_test): Likewise.
 624         (incremental_copy_test): Likewise.
 625         * testsuite/Makefile.in: Regenerate.
 626
 627 2012-12-14  Cary Coutant  <ccoutant@google.com>
 628
 629         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
 630         (Dwp_output_file::Dwp_index::enter_set): Add assert.
 631
 632 2012-12-12  Alan Modra  <amodra@gmail.com>
 633
 634         * powerpc.cc (class Track_tls): New.
 635         (class Relocate, class Scan): Inherit Track_tls.
 636         (Target_powerpc::Scan::local, global): Track tls optimization
 637         and avoid creating plt entry for __tls_get_addr if all uses
 638         are optimized away.
 639         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
 640
 641 2012-12-12  Alan Modra  <amodra@gmail.com>
 642
 643         * options.h (General_options): Add --toc-sort/--no-toc-sort.
 644         Replace no_toc_optimize with toc_optimize.
 645         * output.h (Output_section::input_sections): Provide non-const variant.
 646         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
 647         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
 648         accessors.
 649         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
 650         (class Sort_toc_sections): New.
 651         (Target_powerpc::do_finalize_sections): Sort toc sections.
 652         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
 653
 654 2012-12-10  Roland McGrath  <mcgrathr@google.com>
 655
 656         * testsuite/binary_unittest.cc (read_all): New function.
 657         (Sized_binary_test): Use it instead of ::read.
 658         * fileread.cc (do_read): Don't assume pread always reads the whole
 659         amount in a single call.
 660
 661 2012-12-10  Alan Modra  <amodra@gmail.com>
 662
 663         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
 664         Set EM_PPC64 or EM_PPC here.
 665         (Target_selector_powerpc::do_recognize): Delete.
 666
 667 2012-12-10  Alan Modra  <amodra@gmail.com>
 668
 669         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
 670         stub_table_.
 671         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
 672
 673 2012-12-07  Roland McGrath  <mcgrathr@google.com>
 674
 675         * testsuite/binary_unittest.cc (Sized_binary_test):
 676         Use open_descriptor rather than ::open.
 677
 678 2012-12-07  Alan Modra  <amodra@gmail.com>
 679
 680         * powerpc.cc (Stub_table::do_write): Delete redundant Address
 681         typedef and invalid_address constant.
 682         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
 683         instantiate constants.
 684
 685 2012-12-06  Roland McGrath  <mcgrathr@google.com>
 686
 687         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
 688         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
 689         * aclocal.m4: Regenerate.
 690         * configure: Regenerate.
 691         * Makefile.in: Regenerate.
 692         * testsuite/Makefile.in: Regenerate.
 693
 694 2012-12-07  Alan Modra  <amodra@gmail.com>
 695
 696         * options.h (General_options): Add no_toc_optimize.
 697         * powerpc.cc (ok_lo_toc_insn): New function.
 698         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
 699
 700 2012-12-06  Alan Modra  <amodra@gmail.com>
 701
 702         * options.h (General_options): Add plt_align, plt_static_chain,
 703         plt_thread_safe.  Update stub_group_size help text.
 704         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
 705         for new plt_thread_safe_ var.
 706         (use_plt_offset): Correct comments.
 707         (Target_powerpc::do_relax): Look for thread creation symbols to
 708         determine default plt_thread_safe value.  Clear plt call stubs
 709         as well as branch stubs each iteration.
 710         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
 711         insn constants.
 712         (l, hi, ha, write_insn): Move earlier.
 713         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
 714         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
 715         plt stubs too.
 716         (Stub_table::update_size): Adjust.
 717         (Stub_table::prev_size, set_prev_size): Delete.
 718         (Stub_table::stub_align): Let --plt-align affect result.
 719         (Stub_table::plt_call_size): Calculate sizes for various stubs.
 720         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
 721         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
 722         (Stub_table::do_write): Support more stub variants.
 723
 724 2012-12-04  Alan Modra  <amodra@gmail.com>
 725
 726         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
 727         (Target_powerpc::do_define_standard_symbols): New function.
 728
 729 2012-12-03  Alan Modra  <amodra@gmail.com>
 730
 731         * output.h: Formatting, whitespace.
 732
 733 2012-12-03  Alan Modra  <amodra@gmail.com>
 734
 735         * layout.h (Layout::get_executable_sections): Declare.
 736         * layout.cc (Layout::get_executable_sections): New function.
 737         * arm.cc (Target_arm::group_sections): Use it.
 738         (Arm_output_section::group_sections): Delete now redundant test.
 739         * output.cc (Output_reloc::Output_reloc): Add is_relative.
 740         param to handle relative relocs.
 741         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
 742         (Output_data_reloc::add_absolute): Adjust.
 743         (Output_data_reloc::add_relative): New function.
 744         (Output_data::reset_data_size): New function.
 745         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
 746         (Output_section::set_addralign): New function.
 747         (Output_section::checkpoint_set_addralign): New function.
 748         (Output_section::clear_section_offsets_need_adjustment): New function.
 749         (Output_section::input_sections): Make public.
 750         * powerpc.cc (class Output_data_brlt_powerpc): New.
 751         (class Stub_table, class Stub_control): New.
 752         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
 753         stub_table_, set_stub_table, stub_table): New vectors and accessor
 754         functions.
 755         (Target_powerpc::do_may_relax, do_relax, push_branch,
 756         new_stub_table, stub_tables, brlt_section, group_sections,
 757         add_branch_lookup_table, find_branch_lookup_table,
 758         write_branch_lookup_table, make_brlt_section): New functions.
 759         (Target_powerpc::struct Sort_sections, class Branch_info): New.
 760         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
 761         branch_info_): New vars.
 762         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
 763         make call stubs here.
 764         (Output_data_glink): Remove all call stub handling from this class.
 765         (Target_powerpc::Scan::local, global): Save interesting branch
 766         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
 767         (Target_powerpc::do_finalize_sections): Only make reg save/restore
 768         functions on final link.
 769         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
 770         Handle long branch destinations too.
 771         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
 772         do_plt_address_for_local): Adjust lookup of plt call stubs.
 773
 774 2012-11-30  Alan Modra  <amodra@gmail.com>
 775
 776         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
 777         relocs against protected symbols when building 32-bit shared libs.
 778
 779 2012-11-30  Alan Modra  <amodra@gmail.com>
 780
 781         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
 782         param.  Call got_section() to make .got.  Update all callers
 783         and their callers and so on.
 784
 785 2012-11-30  Alan Modra  <amodra@gmail.com>
 786
 787         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
 788         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
 789         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
 790         value if it already exists.
 791
 792 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
 793
 794         PR gold/14858
 795         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
 796
 797 2012-11-14  Roland McGrath  <mcgrathr@google.com>
 798
 799         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
 800         than bfc instruction for data sandboxing.
 801
 802 2012-11-08  Alan Modra  <amodra@gmail.com>
 803
 804         * po/POTFILES.in: Regenerate.
 805
 806 2012-11-05  Alan Modra  <amodra@gmail.com>
 807
 808         * configure.ac: Apply 2012-09-10 change to config.in here.
 809         * configure: Regenerate.
 810
 811 2012-11-05  Alan Modra  <amodra@gmail.com>
 812
 813         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
 814         (struct Opd_ent): Use "Address" rather than "Offset".
 815         (Output_data_got_powerpc::got_base_offset): Return Valtype.
 816         (Target_powerpc::got_section): Make public.
 817         (Target_powerpc::scan_relocs): Move code setting symbols..
 818         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
 819         Create _SDA_BASE_ only when referenced.
 820
 821 2012-11-02  Roland McGrath  <mcgrathr@google.com>
 822
 823         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
 824         from last change.
 825
 826 2012-11-01  Roland McGrath  <mcgrathr@google.com>
 827
 828         * target.h (Sized_target::relocate_relocs): Use Elf_Off
 829         for offset_in_output_section parameter.
 830         (Sized_target::relocate_special_relocatable): Likewise.
 831         * arm.cc (Target_arm::relocate_relocs): Likewise.
 832         (Target_arm::relocate_special_relocatable): Likewise.
 833         * i386.cc (Target_i386::relocate_relocs): Likewise.
 834         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
 835         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
 836         * target-reloc.h (relocate_relocs): Likewise.
 837         * testsuite/testfile.cc (Target_test): Likewise.
 838         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
 839         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
 840
 841         * system.h: Move inclusion of <clocale> to after <libintl.h> in
 842         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
 843
 844         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
 845         parameter, which is unused in the [!F_SETFD] case.
 846
 847         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
 848         SYMNDX to off_t before comparing it to this->data_size().
 849         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
 850         * incremental.cc (Output_section_incremental_inputs::do_write):
 851         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
 852
 853         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
 854
 855 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
 856
 857         * gold.cc (Target_arm::do_adjust_elf_header): Add the
 858         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
 859         in EABI_VER5.
 860
 861 2012-10-29  Cary Coutant  <ccoutant@google.com>
 862
 863         * dwp.cc (usage): Add file and exit status parameters;
 864         add --help and --version options.
 865         (print_version): New function.
 866         (main): Add --help and --version options.
 867
 868 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 869
 870         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
 871         final_layout_sequence.txt.
 872         * testsuite/Makefile.in: Regenerated.
 873
 874 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 875
 876         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
 877         COMPILE generated by automake.
 878         (LINK1): Likewise.
 879         (CXXCOMPILE1): Likewise.
 880         (CXXLINK1): Likewise.
 881         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
 882         (LINK): Likewise.
 883         (CXXCOMPILE): Likewise.
 884         (CXXLINK): Likewise.
 885         * testsuite/Makefile.in: Regenerated.
 886
 887 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 888
 889         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
 890         on bad fwrite return.
 891
 892 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 893
 894         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
 895         on val.
 896
 897 2012-10-23  Cary Coutant  <ccoutant@google.com>
 898
 899         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
 900         * testsuite/Makefile.in: Regenerate.
 901         * testsuite/dwp_test.h: New source file.
 902         * testsuite/dwp_test_1.cc: New source file.
 903         * testsuite/dwp_test_1.s: New source file.
 904         * testsuite/dwp_test_1.sh: New source file.
 905         * testsuite/dwp_test_1b.cc: New source file.
 906         * testsuite/dwp_test_1b.s: New source file.
 907         * testsuite/dwp_test_2.cc: New source file.
 908         * testsuite/dwp_test_2.s: New source file.
 909         * testsuite/dwp_test_2.sh: New source file.
 910         * testsuite/dwp_test_main.cc: New source file.
 911         * testsuite/dwp_test_main.s: New source file.
 912
 913 2012-10-23  Cary Coutant  <ccoutant@google.com>
 914
 915         * dwp.h: New header file.
 916         * dwp.cc: New source file.
 917         * gold.h: Move shared declarations to system.h.
 918         * system.h: New header file.
 919         * Makefile.am: Add dwp.
 920         * Makefile.in: Regenerate.
 921
 922 2012-10-23  Cary Coutant  <ccoutant@google.com>
 923
 924         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
 925         Dwarf_info_reader::read_from_pointer.
 926         (Dwarf_pubnames_table::read_header): Likewise.
 927         (Dwarf_pubnames_table::next_name): Likewise.
 928         (Dwarf_die::read_attributes): Likewise.
 929         (Dwarf_die::skip_attributes): Likewise.
 930         (Dwarf_info_reader::read_from_pointer): New function template.
 931         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
 932         (Dwarf_pubnames_table): Likewise.
 933         (Dwarf_info_reader::read_from_pointer): New function template.
 934         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
 935         Dwarf_pubnames_table ctor.
 936
 937 2012-10-23  Cary Coutant  <ccoutant@google.com>
 938
 939         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
 940         abbrev_shndx.
 941         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
 942         abbrev_shndx_.
 943         (Dwarf_info_reader::set_abbrev_shndx): New method.
 944         (Dwarf_info_reader::abbrev_shndx_): New data member.
 945
 946 2012-10-23  Cary Coutant  <ccoutant@google.com>
 947
 948         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
 949         from object, not parameters.
 950         (Dwarf_info_reader::parse): Likewise.
 951         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
 952         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
 953         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
 954         methods.
 955
 956 2012-10-23  Cary Coutant  <ccoutant@google.com>
 957
 958         * fileread.cc (Input_file::Input_file): New constructor.
 959         * fileread.h (class Input_file): Add new constructor.
 960
 961 2012-10-18  Alan Modra  <amodra@gmail.com>
 962
 963         PR gold/14727
 964         * object.cc (Relobj::is_section_name_included): Also match
 965         .sdata personality section.
 966
 967 2012-10-18  Alan Modra  <amodra@gmail.com>
 968
 969         * target-reloc.h (class Default_comdat_behavior): New, package up..
 970         (get_comdat_behaviour): ..this.
 971         (relocate_section): Add Relocate_comdat_behavior template arg,
 972         adjust code to suit.
 973         * arm.cc (Target_arm::relocate_section): Adjust to suit.
 974         (Target_arm::scan_reloc_section): Likewise.
 975         * i386.cc (Target_i386::relocate_section): Likewise.
 976         * sparc.cc (Target_sparc::relocate_section): Likewise.
 977         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
 978         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
 979         * powerpc.cc (class Relocate_comdat_behavior): New.
 980         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
 981         gold::relocate_section with new template arg.
 982
 983 2012-10-18  Alan Modra  <amodra@gmail.com>
 984
 985         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
 986         dynamic relocs for GOT_TPREL got entries, without symbol if
 987         resolving locally.
 988         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
 989         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
 990         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
 991
 992 2012-10-17  Alan Modra  <amodra@gmail.com>
 993
 994         PR gold/14726
 995         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
 996
 997 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
 998
 999         * layout.cc (Layout::include_section): Keep sections marked
1000         SHF_EXCLUDE when doing relocatable links.
1001
1002 2012-10-16  Alan Modra  <amodra@gmail.com>
1003
1004         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
1005         (Target_powerpc::do_finalize_sections): Call it.
1006         (Output_data_save_res): New class and supporting functions.
1007         (Target_powerpc::symval_for_branch): Only look up .opd entry for
1008         normal symbols defined in object files.
1009
1010 2012-10-12  Alan Modra  <amodra@gmail.com>
1011
1012         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
1013         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
1014         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
1015         section if scan_opd_relocs not yet called.
1016         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
1017
1018 2012-10-12  Alan Modra  <amodra@gmail.com>
1019
1020         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
1021         add_local_ifunc_entry): Revert last change.
1022         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
1023
1024 2012-10-05  Alan Modra  <amodra@gmail.com>
1025
1026         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
1027         do_plt_address_for_global): New functions.
1028         (Output_data_got_powerpc::do_write): Don't segfault when linking
1029         statically.
1030         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
1031         add_local_ifunc_entry): Return true on adding entry..
1032         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
1033         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
1034         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
1035         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
1036         set up symbols here.
1037         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
1038         syms here.  Do so even when no .iplt.  Don't segfault when linking
1039         statically.
1040         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
1041         new variants without reloc param.
1042         (Glink_sym_ent::Glink_sym_ent): Likewise.
1043         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
1044         reloc when refs will resolve to plt call stub.
1045         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
1046         R_PPC_PLTREL24 to resolve locally.
1047         (Target_powerpc::Scan::global): Correct ifunc handling.
1048         (Target_powerpc::Relocate::relocate): Correct local sym glink
1049         lookup.  Don't destroy "value" when we have a plt call stub,
1050         and when checking plt call validity.
1051         (Target_powerpc::do_dynsym_value): Simplify.
1052
1053 2012-10-05  Alan Modra  <amodra@gmail.com>
1054
1055         * i386.cc (Output_data_plt_i386::address_for_global,
1056         address_for_local): Add plt offset to returned value.  Adjust uses.
1057         * sparc.cc (Output_data_plt_sparc::address_for_global,
1058         address_for_local): Likewise.
1059         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
1060         address_for_local): Likewise.
1061         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
1062         address_for_local): Likewise.
1063         * target.h (Target::plt_address_for_global, plt_address_for_local):
1064         Update comment.
1065         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
1066         (Output_data_got::Got_entry::write): Nor here.
1067         * output.h: Comment fix.
1068
1069 2012-10-02  Jiong Wang  <jiwang@tilera.com>
1070
1071         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
1072         global_offset_table_ value for larget got.
1073         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
1074
1075 2012-09-29  Alan Modra  <amodra@gmail.com>
1076
1077         * powerpc.cc (Target_powerpc::iplt_): New output section.
1078         (Target_powerpc::iplt_section, make_iplt_section,
1079         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
1080         (Target_powerpc::make_plt_entry): Handle ifunc syms.
1081         Target_powerpc::plt_entry_count): Count iplt entries too.
1082         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
1083         reloc section in constructor.  New params.
1084         (Target_powerpc::make_plt_section): Create reloc section here instead.
1085         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
1086         functions.
1087         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
1088         (Output_data_glink::add_entry, find_entry): New functions to
1089         deal with local syms.
1090         (Glink_sym_ent): Add support for local syms.
1091         (Output_data_glink::do_write): Handle ifunc plt entries.
1092         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1093         (Target_powerpc::Scan::local, global): Handle ifunc syms.
1094         (Target_powerpc::Relocate::relocate): Likewise.
1095         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
1096
1097 2012-09-25  Alan Modra  <amodra@gmail.com>
1098
1099         * object.h (Sized_relobj_file::adjust_local_symbol,
1100         do_adjust_local_symbol): New functions.
1101         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
1102         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
1103         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
1104         and irregular opd entry spacing.
1105         (Powerpc_relobj::do_read_relocs): Add opd size checks.
1106         (Global_symbol_visitor_opd): New functor.
1107         (Target_powerpc::do_finalize_sections): Omit global symbols defined
1108         on deleted opd entries.
1109
1110 2012-09-15  Jiong Wang  <jiwang@tilera.com>
1111
1112         * tilegx.cc: New file.
1113         * Makefile.am (TARGETSOURCES): Add tilegx.cc
1114         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
1115         * configure.tgt: Add entries for tilegx*.
1116         * configure.ac: Likewise.
1117         * Makefile.in: Rebuild.
1118         * configure: Likewise.
1119         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
1120         tilegx.
1121
1122 2012-09-13  Alan Modra  <amodra@gmail.com>
1123
1124         * target-reloc.h (scan_relocs): Call scan.local for relocs
1125         against symbols in discarded sections.  Pass is_discarded
1126         param.
1127         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
1128         Add is_discarded param.
1129         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
1130         is_discarded to flag opd entry as discarded.  Don't emit dyn
1131         relocs on such entries.
1132         (Target_powerpc::Scan::global): Similarly detect and handle
1133         such opd entries.
1134         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
1135         opd_ent_.  Update all uses.
1136         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
1137         (Target_powerpc::relocate_section): Zero out discarded opd
1138         entry relocs.
1139
1140 2012-09-12  Ian Lance Taylor  <iant@google.com>
1141
1142         PR gold/14570
1143         * output.cc: Rename Output_data_got template parameter from size
1144         to got_size for all functions.  Compile all variants of
1145         Output_data_got.
1146         (Output_data_got::Got_entry::write): Correct use of size for
1147         symbol value.  Use local_is_tls rather than casting to
1148         Sized_relobj_file.
1149         * object.h (class Object): Add local_is_tls and do_local_is_tls.
1150         (class Sized_relobj_file): Add do_local_is_tls.
1151         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
1152
1153 2012-09-11  Alan Modra  <amodra@gmail.com>
1154
1155         PR gold/14566
1156         * layout.cc (Layout::set_segment_offsets): When using
1157         common-page-size alignment, ensure we are on a new max-page-size
1158         page.
1159         * output.cc (Output_segment::set_section_addresses): Use
1160         abi_pagesize, not common_pagesize for relro boundary.
1161         (Output_segment::set_offset): Likewise.
1162
1163 2012-09-11  Alan Modra  <amodra@gmail.com>
1164
1165         * output.h (Output_data_got::add_global_tls, add_local_tls,
1166         add_local_tls_pair): New functions.
1167         (Output_data_got::add_local_pair_with_rel): Remove second
1168         reloc param.  Expand comment.
1169         (Output_data_got::Got_entry): Rename use_plt_offset_ to
1170         use_plt_or_tls_offset_, similarly for constructor param.
1171         (Output_data_got::Got_entry::write): Add got_index param.
1172         * output.cc (Output_data_got::add_global_tls, add_local_tls,
1173         add_local_tls_pair): New functions.
1174         (Output_data_got::Got_entry::write): Handle tls symbols
1175         with use_plt_or_tls_offset_ set specially.
1176         (Output_data_got::add_local_pair_with_rel): Only one reloc.
1177         (Output_data_got::do_write): Replace iterator with index, pass
1178         index to entry write function.
1179         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
1180         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
1181         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
1182         call.
1183         * i386.cc (Target_i386::Scan::local): Likewise.
1184         * sparc.cc (Target_sparc::Scan::local): Likewise.
1185         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
1186         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
1187         do_tls_offset_for_global): New functions.
1188         (Target_powerpc::Scan::local): Correct TLS relocations and got
1189         entry values.
1190         (Target_powerpc::Scan::global): Don't emit unnecessary
1191         dynamic relocations on TLS GOT entries.
1192
1193 2012-09-10  Matthias Klose  <doko@ubuntu.com>
1194
1195         * config.in: Disable sanity check for kfreebsd.
1196
1197 2012-09-10  Sterling Augustine  <saugustine@google.com>
1198
1199         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
1200         (Gdb_index::pubtypes_read): New parameter.
1201         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
1202         to calls.
1203         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
1204         pubtypes_object_.
1205
1206 2012-09-09  Alan Modra  <amodra@gmail.com>
1207
1208         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
1209         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
1210         * gc.h (gc_process_relocs): Call target gc_add_reference.
1211         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
1212         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
1213         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
1214         unnecessary cast.
1215         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
1216         to cater for when we don't need code offset.  Update use.
1217         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
1218         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
1219         set_opd_valid): New functions.
1220         (Target_powerpc::do_gc_add_reference): New function.
1221         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
1222         stashed refs.
1223         (Target_powerpc::do_gc_mark_symbol): New function.
1224
1225 2012-09-06  Cary Coutant  <ccoutant@google.com>
1226
1227         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
1228         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
1229         (Dwarf_die::skip_attributes): Likewise.
1230         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
1231         * testsuite/gdb_index_test.cc (inline_func_1): New function.
1232         (main): Call it.
1233         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
1234
1235 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
1236
1237         * testsuite/script_test_3.t: Add .got.plt output section
1238         statement.
1239         * testsuite/script_test_4.t: Likewise.
1240
1241 2012-09-05  Alan Modra  <amodra@gmail.com>
1242
1243         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
1244         update all uses and lose "enum" when using type.
1245
1246 2012-09-05  Alan Modra  <amodra@gmail.com>
1247
1248         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
1249         * configure: Regenerate.
1250         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
1251         (plugin_final_layout.stdout): Likewise.
1252         (memory_test): Set page sizes to 0x1000.
1253         * testsuite/Makefile.in: Regenerate.
1254         * testsuite/discard_locals_test.sh: Add FIXME comment.
1255         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
1256         * testsuite/pr14265.t: Add .got output section statement.
1257         * testsuite/script_test_2.t: Likewise.
1258         * testsuite/script_test_3.t: Likewise.
1259         * testsuite/script_test_4.t: Likewise.
1260         * testsuite/script_test_5.t: Likewise.
1261         * testsuite/script_test_6.t: Likewise.
1262         * testsuite/script_test_7.t: Likewise.
1263         * testsuite/script_test_9.t: Likewise.
1264
1265 2012-09-05  Alan Modra  <amodra@gmail.com>
1266
1267         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
1268         (Powerpc_relocate_functions::Status): New typedef.
1269         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1270         (Target_powerpc::Scan::local): Handle REL64.
1271         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
1272         for REL32 and REL64.
1273         (Target_powerpc::symval_for_branch): New function, extracted from..
1274         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
1275         checks.  Report overflow errors.
1276
1277 2012-09-05  Alan Modra  <amodra@gmail.com>
1278
1279         * object.h (Sized_relobj_file::emit_relocs): Delete.
1280         (Sized_relobj_file::emit_relocs_reltype): Delete.
1281         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
1282         relocate_relocs for --emit-relocs.
1283         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
1284         * output.h: Update comment.
1285         (Output_segment::first_section): New function.
1286         (Output_segment::first_section_load_address): Use first_section.
1287         * output.cc (Output_segment::first_section): New function extracted..
1288         (Output_segment::first_section_load_address): ..from here.  Delete.
1289         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
1290         * target.h (Sized_target::relocate_for_relocatable): Likewise.
1291         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
1292         adjust call to target.h function.
1293         * i386.cc (Target_i386): Likewise.
1294         * sparc.cc (Target_sparc): Likewise.
1295         * x86_64.cc (Target_x86_64): Likewise.
1296         * powerpc.cc (Target_powerpc): Likewise.
1297         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
1298         first tls section has section symbol for optimised local dynamic
1299         output relocs.
1300         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
1301         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
1302         optimised tls code.
1303         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
1304         Rename to relocate_relocs.  Update error message.
1305
1306 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
1307
1308         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
1309         --just-symbols.
1310
1311 2012-08-31  Alan Modra  <amodra@gmail.com>
1312
1313         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
1314         (Powerpc_relobj::toc_base_offset): New stub function.
1315         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
1316         got_mod_index_offset to tlsld_got_offset.  Update all refs.
1317         (Target_powerpc::Relocate::enum skip_tls): New.
1318         (Target_powerpc::call_tls_get_addr_): New var.
1319         (Target_powerpc::is_branch_reloc): Move to file scope.
1320         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
1321         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
1322         New functions.
1323         (Target_powerpc::enum Got_type): Delete old values, add new ones.
1324         (powerpc_info): Correct common_pagesize for ppc64.
1325         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
1326         (Powerpc_relocate_functions): Add overflow check enums and functions.
1327         Add non-shift version of rela, rela_ua.  Delete all rel public
1328         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
1329         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
1330         addr16_ha3, addr14 functions.
1331         (Output_data_got_powerpc::add_constant_pair): New function.
1332         (Output_data_got_powerpc::got_base_offset): Likewise.
1333         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
1334         (instruction constants): Sort, add some more.
1335         (Output_data_glink::do_write): Add and use Address typedef.  Use
1336         object->toc_base_offset() stub for 64-bit.
1337         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
1338         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1339         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
1340         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
1341         Always treat .opd relocs as against locally defined symbol.
1342         Correct condition for RELATIVE relocs.
1343         (Target_powerpc::do_finalize_sections): Test for NULL sections.
1344         (Target_powerpc::Relocate::relocate): Use plt call stub as value
1345         for 32-bit syms with a plt entry.  Correct ppc64 toc base
1346         calculations.  Handle TLS relocs, and more.  Add overflow
1347         checking and adjust for Powerpc_relocate_functions changes.
1348         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
1349         Reinstate --emit-relocs code with FIXME.
1350
1351 2012-08-30  Alan Modra  <amodra@gmail.com>
1352
1353         * layout.cc (Layout::set_segment_offsets): Set p_align to
1354         abi_pagesize, not common_pagesize.
1355         (Layout::relaxation_loop_body): Similarly use abi_pagesize
1356         to determine whether file header can go in segment.
1357
1358 2012-08-30  Alan Modra  <amodra@gmail.com>
1359
1360         * output.h (Output_reloc::Output_reloc <output section>): Add
1361         is_relative param.  Adjust calls.
1362         (Output_reloc::add_output_section_relative): New functions.
1363         * output.cc (Output_reloc::Output_reloc <output section>): Handle
1364         is_relative.
1365         (Output_reloc::symbol_value): Handle SECTION_CODE.
1366
1367 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
1368
1369         * gold.cc (queue_middle_tasks): Call layout again when unique
1370         segments for sections is desired.
1371         * layout.cc (Layout::Layout): Initialize new members.
1372         (Layout::get_output_section_flags): New function.
1373         (Layout::choose_output_section): Call get_output_section_flags.
1374         (Layout::layout): Make output section for mapping to a unique segment.
1375         (Layout::insert_section_segment_map): New function.
1376         (Layout::attach_allocated_section_to_segment): Make unique segment for
1377         output sections marked so.
1378         (Layout::segment_precedes): Check for unique segments when sorting.
1379         * layout.h (Layout::Unique_segment_info): New struct.
1380         (Layout::Section_segment_map): New typedef.
1381         (Layout::insert_section_segment_map): New function.
1382         (Layout::get_output_section_flags): New function.
1383         (Layout::is_unique_segment_for_sections_specified): New function.
1384         (Layout::set_unique_segment_for_sections_specified): New function.
1385         (Layout::unique_segment_for_sections_specified_): New member.
1386         (Layout::section_segment_map_): New member.
1387         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
1388         Rename is_gc_pass_one to is_pass_one.
1389         Rename is_gc_pass_two to is_pass_two.
1390         Rename is_gc_or_icf to is_two_pass.
1391         Check for which pass based on whether symbols data is present.
1392         Make it two pass when unique segments for sections is desired.
1393         * output.cc (Output_section::Output_section): Initialize new
1394         members.
1395         * output.h (Output_section::is_unique_segment): New function.
1396         (Output_section::set_is_unique_segment): New function.
1397         (Output_section::is_unique_segment_): New member.
1398         (Output_section::extra_segment_flags): New function.
1399         (Output_section::set_extra_segment_flags): New function.
1400         (Output_section::extra_segment_flags_): New member.
1401         (Output_section::segment_alignment): New function.
1402         (Output_section::set_segment_alignment): New function.
1403         (Output_section::segment_alignment_): New member.
1404         (Output_segment::Output_segment): Initialize is_unique_segment_.
1405         (Output_segment::is_unique_segment): New function.
1406         (Output_segment::set_is_unique_segment): New function.
1407         (Output_segment::is_unique_segment_): New member.
1408         * plugin.cc (allow_unique_segment_for_sections): New function.
1409         (unique_segment_for_sections): New function.
1410         (Plugin::load): Add new functions to transfer vector.
1411         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
1412         * Makefile.in: Regenerate.
1413         * testsuite/plugin_final_layout.sh: Check if unique segment
1414         functionality works.
1415         * testsuite/plugin_section_order.c (onload): Check if new interfaces
1416         are available.
1417         (allow_unique_segment_for_sections): New global.
1418         (unique_segment_for_sections): New global.
1419         (claim_file_hook): Call allow_unique_segment_for_sections.
1420         (all_symbols_read_hook): Call unique_segment_for_sections.
1421
1422 2012-08-22  Cary Coutant  <ccoutant@google.com>
1423
1424         * layout.cc (Layout::include_section): Don't assert on GROUP
1425         sections with --emit-relocs.
1426
1427 2012-08-21  Cary Coutant  <ccoutant@google.com>
1428
1429         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
1430         if --export-dynamic-symbol names an undef symbol.
1431
1432 2012-08-18  Alan Modra  <amodra@gmail.com>
1433
1434         * powerpc.cc: Formatting and white space.
1435         (Powerpc_relobj): Rename got2_section_ to special_.
1436         Add opd_ent_shndx_ and opd_ent_off_ vectors.
1437         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
1438         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
1439         (Target_powerpc): Add Address typedef and invalid_address.  Use
1440         throughout.
1441         (Target_powerpc::is_branch_reloc): New function.
1442         (Powerpc_relocate_functions): Add Address typedef, use throughout.
1443         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
1444         for dst_mask, value and addend.
1445         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
1446         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
1447         (Output_data_glink::do_write): Correct toc base.  Don't try to use
1448         uint16_t for 24-bit offset.  Use get_output_section_offset and
1449         check return.
1450         (Target_powerpc::Scan::local): Handle more relocs.
1451         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
1452         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
1453         Plug in toc restoring insn after plt calls.  Translate branches
1454         to function descriptor symbols to corresponding entry point.
1455         (Target_powerpc::relocate_for_relocatable): Check return from
1456         get_output_section_offset.
1457         * symtab.h: Comment typo.
1458
1459 2012-08-14  Ian Lance Taylor  <iant@google.com>
1460
1461         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
1462         unsupported_relocal_local to call unsupported_reloc_global.
1463
1464 2012-08-14  Nick Clifton  <nickc@redhat.com>
1465
1466         PR ld/14265
1467         * script-sections.cc (Sections_element::output_section_name): Add
1468         keep return parameter.
1469         (Output_section_element::match_name): Add keep return parameter.
1470         Return the value of the keep_ member.
1471         * script-sections.h (class Output_section): Update
1472         output_section_name prototype.
1473         * layout.cc (Layout::keep_input_section): New public member
1474         function.
1475         (Layout::choose_output_section): Pass keep parameter to
1476         output_section_name.
1477         * layout.h (class Layout): Add keep_input_section.
1478         * object.cc (Sized_relobj_file::do_layout): Check for kept input
1479         sections.
1480         * testsuite/Makefile.am: Add a test.
1481         * testsuite/Makefile.in: Regenerate.
1482         * testsuite/pr14265.c: Source file for the test.
1483         * testsuite/pr14265.t: Linker script for the test.
1484         * testsuite/pr14265.sh: Shell script for the test.
1485
1486 2012-08-14  Alan Modra  <amodra@gmail.com>
1487
1488         * target.h (Target::output_section_name): New function.
1489         (Target::do_output_section_name): New function.
1490         * layout.cc (Layout::choose_output_section): Call the above.
1491         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
1492
1493 2012-08-14  Alan Modra  <amodra@gmail.com>
1494
1495         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
1496         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
1497         for replace_constant call.
1498         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
1499         (Output_data_glink::do_print_to_mapfile): New function.
1500         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
1501         (Target_powerpc::Relocate::relocate): Likewise.
1502
1503 2012-08-14  Alan Modra  <amodra@gmail.com>
1504
1505         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
1506         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
1507         (Output_data_glink::add_entry,find_entry): Remove shndx param.
1508         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
1509         all references to shndx_.  Handle special case for R_PPC_PLTREL24
1510         here.
1511         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
1512         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
1513         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
1514         here.
1515         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
1516         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
1517
1518 2012-08-12  Alan Modra  <amodra@gmail.com>
1519
1520         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
1521         (glink insn constants): Use uint32_t.
1522         (Output_data_glink::add_entry): Use insert, not [] operator.
1523
1524 2012-08-11  Alan Modra  <amodra@gmail.com>
1525
1526         * object.h (Sized_relobj_file::find_shdr): New function.
1527         (Sized_relobj_file::find_special_sections): New function.
1528         * object.cc (Sized_relobj_file::find_shdr): New function.
1529         (Sized_relobj_file::find_eh_frame): Use find_shdr.
1530         (Sized_relobj_file::find_special_sections): New function, split out..
1531         (Sized_relobj_file::do_read_symbols): ..from here.
1532         * output.h (Output_data_got::replace_constant): New function.
1533         (Output_data_got::num_entries): New function.
1534         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
1535         (Output_data_got::got_offset): Protected rather than private.
1536         (Output_data_got::replace_got_entry): New function.
1537         * output.cc (Output_data_got::replace_got_entry): New function.
1538         * powerpc.cc (class Powerpc_relobj): New.
1539         (class Powerpc_relocate_functions): Delete all psymval variants or
1540         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
1541         Implement _ha functions using corresponding _hi function.
1542         (Powerpc_relobj::find_special_sections): New function.
1543         (Target_powerpc::do_make_elf_object): New function.
1544         (class Output_data_got_powerpc): New.
1545         (class Output_data_glink): New.
1546         (class Powerpc_scan_relocatable_reloc): New.
1547         Many more changes througout file.
1548
1549 2012-08-09  Nick Clifton  <nickc@redhat.com>
1550
1551         * po/vi.po: Updated Vietnamese translation.
1552
1553 2012-08-07  Ian Lance Taylor  <iant@google.com>
1554
1555         * layout.cc (Layout::add_target_dynamic_tags): If
1556         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
1557         plt_rel.
1558
1559 2012-07-30  Nick Clifton  <nickc@redhat.com>
1560
1561         * po/gold.pot: Updated template.
1562         * po/es.po: Updated Spanish translation.
1563
1564 2012-07-18  Cary Coutant  <ccoutant@google.com>
1565
1566         PR gold/14344
1567         * configure.ac: Add check for -gpubnames support.
1568         * configure: Regenerate.
1569         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
1570         support; force -gno-pubnames.
1571         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
1572         support.
1573         (gdb_index_test_4): New test.
1574         * testsuite/Makefile.in: Regenerate.
1575         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
1576         * testsuite/gdb_index_test_2.sh: Likewise.
1577         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
1578         * testsuite/gdb_index_test_4.sh: New script.
1579         * testsuite/gdb_index_test_comm.sh: New script with common code;
1580         don't look for space after colon.
1581
1582 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
1583
1584         * gold.cc (queue_middle_tasks): Update function order only after
1585         deferred objects due to plugins are processed.
1586
1587 2012-07-11  Ian Lance Taylor  <iant@google.com>
1588
1589         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
1590         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
1591         (Target_arm::scan_reloc_for_stub): Likewise.
1592         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
1593         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
1594         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
1595         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
1596         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
1597
1598 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
1599             Ian Lance Taylor  <iant@google.com>
1600
1601         PR gold/14309
1602         * configure.ac: Test whether std::tr1::hash<off_t> works.
1603         * gold.h: Add a specialization for std::tr1::hash<off_t> if
1604         needed.
1605         * output.h (class Output_fill): Add virtual destructor.
1606         * configure, config.in: Rebuild.
1607
1608 2012-06-22  Roland McGrath  <mcgrathr@google.com>
1609
1610         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
1611
1612 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
1613
1614         * plugin.cc (Plugin::load): Handle position independent executables.
1615
1616 2012-06-06  Cary Coutant  <ccoutant@google.com>
1617
1618         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
1619         add .debug_macro.
1620         (lines_only_debug_sections): Likewise.
1621         (gdb_fast_lookup_sections): New static array.
1622         (is_gdb_debug_section): Rename formal parameter.
1623         (is_lines_only_debug_section): Likewise.
1624         (is_gdb_fast_lookup_section): New function.
1625         (Layout::include_section): Check for ".zdebug_" prefix; pass
1626         section name suffix to is_gdb_debug_section, et al.; check for
1627         fast-lookup sections when building .gdb_index.
1628         * options.h (--strip-debug-gdb): Update GDB version number.
1629
1630 2012-06-06  Cary Coutant  <ccoutant@google.com>
1631
1632         * configure.ac: Add check for fallocate.
1633         * configure: Regenerate.
1634         * config.in: Regenerate.
1635
1636         * options.h (class General_options): Add --mmap-output-file and
1637         --posix-fallocate options.
1638         * output.cc: (posix_fallocate): Remove; replace with...
1639         (gold_fallocate): New function.
1640         (Output_file::map_no_anonymous): Call gold_fallocate.
1641         (Output_file::map): Check --mmap-output-file option.
1642
1643 2012-06-05  Jing Yu  <jingyu@google.com>
1644
1645         * gold.h (textdomain): Add do {} to empty while(0).
1646         (bindtextdomain): Likewise.
1647
1648 2012-06-04  Cary Coutant  <ccoutant@google.com>
1649
1650         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
1651         has_dynsym_index.
1652
1653 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
1654
1655         * symtab.cc (Symbol_table::define_special_symbol):
1656         Initialize *poldsym to prevent uninitialized variable errors.
1657
1658 2012-05-23  Cary Coutant  <ccoutant@google.com>
1659
1660         * layout.cc (Layout::section_name_mapping): Add rules to handle
1661         exact match on .data.rel.ro.local or .data.rel.ro.
1662         (Layout::output_section_name): Check for exact matches.
1663
1664 2012-05-23  Cary Coutant  <ccoutant@google.com>
1665
1666         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
1667         more carefully.
1668
1669 2012-05-22  Cary Coutant  <ccoutant@google.com>
1670
1671         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
1672         object before exporting symbol.
1673
1674 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1675
1676         * testsuite/tls_test.cc: Include "config.h" first.
1677         * testsuite/tls_test_c.c: Likewise.
1678
1679 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
1680             Nick Clifton  <nickc@redhat.com>
1681
1682         PR 14072
1683         * configure.in: Add check that sysdep.h has been included before
1684         any system header files.
1685         * configure: Regenerate.
1686         * config.in: Regenerate.
1687
1688 2012-05-14  Cary Coutant  <ccoutant@google.com>
1689
1690         * layout.cc (Layout::make_output_section): Mark .tdata section
1691         as RELRO.
1692         * testsuite/relro_test.cc: Add a TLS variable.
1693
1694 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1695
1696         PR gold/14091
1697         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
1698         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
1699         R_X86_64_64.
1700
1701 2012-05-08  Cary Coutant  <ccoutant@google.com>
1702
1703         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
1704         (lines_only_debug_sections): Likewise.
1705
1706 2012-05-02  Roland McGrath  <mcgrathr@google.com>
1707
1708         * nacl.cc: New file.
1709         * nacl.h: New file.
1710         * Makefile.am (CCFILES, HFILES): Add them.
1711         * Makefile.in: Regenerate.
1712         * i386.cc (Output_data_plt_i386_nacl): New class.
1713         (Output_data_plt_i386_nacl_exec): New class.
1714         (Output_data_plt_i386_nacl_dyn): New class.
1715         (Target_i386_nacl): New class.
1716         (Target_selector_i386_nacl): New class.
1717         (target_selector_i386): Use it instead of Target_selector_i386.
1718         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
1719         (Target_x86_64_nacl): New class.
1720         (Target_selector_x86_64_nacl): New class.
1721         (target_selector_x86_64, target_selector_x32): Use it instead of
1722         Target_selector_x86_64.
1723         * arm.cc (Output_data_plt_arm_nacl): New class.
1724         (Target_arm_nacl): New class.
1725         (Target_selector_arm_nacl): New class.
1726         (target_selector_arm, target_selector_armbe): Use it instead of
1727         Target_selector_arm.
1728
1729         * target-select.cc (select_target): Take new Input_file* and off_t
1730         arguments, pass them on to recognize method of selector.
1731         * object.cc (make_elf_sized_object): Update caller.
1732         * parameters.cc (parameters_force_valid_target): Likewise.
1733         * incremental.cc (make_sized_incremental_binary): Likewise.
1734         * target-select.h: Update decl.
1735         (Target_selector::recognize): Take new Input_file* argument,
1736         pass it on to do_recognize.
1737         (Target_selector::do_recognize): Take new Input_file* argument.
1738         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
1739         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
1740         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
1741         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
1742
1743         * target.h (Target::Target_info): New members isolate_execinstr
1744         and rosegment_gap.
1745         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
1746         * arm.cc (Target_arm::arm_info): Update initializer.
1747         * i386.cc (Target_i386::i386_info): Likewise.
1748         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
1749         * sparc.cc (Target_sparc::sparc_info): Likewise.
1750         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1751         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1752         * layout.cc (Layout::attach_allocated_section_to_segment):
1753         Take new const Target* argument.  If target->isolate_execinstr(), act
1754         like --rosegment.
1755         (Layout::find_first_load_seg): Take new const Target* argument;
1756         if target->isolate_execinstr(), reject PF_X segments.
1757         (Layout::relaxation_loop_body): Update caller.
1758         (Layout::set_segment_offsets): If target->isolate_execinstr(),
1759         reset file offset to zero when we hit LOAD_SEG, and then do a second
1760         loop over the segments before LOAD_SEG to reassign offsets after
1761         addresses have been determined.  Handle target->rosegment_gap().
1762         (Layout::attach_section_to_segment): Take new const Target* argument;
1763         pass it to attach_allocated_section_to_segment.
1764         (Layout::make_output_section): Update caller.
1765         (Layout::attach_sections_to_segments): Take new const Target* argument;
1766         pass it to attach_section_to_segment.
1767         * gold.cc (queue_middle_tasks): Update caller.
1768         * layout.h (Layout): Update method decls with new arguments.
1769
1770         * arm.cc (Target_arm::Target_arm): Take optional argument for the
1771         Target_info pointer to use.
1772         (Target_arm::do_make_data_plt): New virtual method.
1773         (Target_arm::make_data_plt): New method that calls it.
1774         (Target_arm::make_plt_entry): Use it.
1775         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
1776         for the section alignment.
1777         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
1778         method.
1779         (Output_data_plt_arm::first_plt_entry_offset): Call it.
1780         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
1781         method.
1782         (Output_data_plt_arm::get_plt_entry_size): Call it.
1783         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
1784         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
1785         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
1786         method.
1787         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
1788         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
1789         method instead of sizeof(plt_entry).
1790         (Output_data_plt_arm::add_entry): Likewise.
1791         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
1792         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
1793         than static method.
1794         (Target_arm::plt_entry_size): Likewise.
1795         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1796         Move to ...
1797         (Output_data_plt_arm_standard): ... here, new class.
1798         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1799         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1800         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1801
1802         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1803         Take additional argument for the PLT entry size.
1804         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1805         Use get_plt_entry_size method rather than plt_entry_size variable.
1806         (Output_data_plt_x86_64::reserve_slot): Likewise.
1807         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1808         (Output_data_plt_x86_64::add_entry): Likewise.
1809         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1810         (Output_data_plt_x86_64::address_for_global): Likewise.
1811         (Output_data_plt_x86_64::address_for_local): Likewise.
1812         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1813         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1814         Make method non-static.
1815         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1816         method.
1817         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1818         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1819         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1820         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1821         virtual method.
1822         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1823         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1824         virtual method.
1825         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1826         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1827         virtual method.
1828         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1829         (Output_data_plt_x86_64::plt_entry_size)
1830         (Output_data_plt_x86_64::first_plt_entry)
1831         (Output_data_plt_x86_64::plt_entry)
1832         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1833         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1834         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1835         (Output_data_plt_x86_64_standard): ... here, new class.
1836         (Target_x86_64::Target_x86_64): Take optional argument for the
1837         Target_info pointer to use.
1838         (Target_x86_64::do_make_data_plt): New virtual method.
1839         (Target_x86_64::make_data_plt): New method to call it.
1840         (Target_x86_64::init_got_plt_for_update): Use that.
1841         Call this->plt_->add_eh_frame method here.
1842         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1843         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1844         rather than static method.
1845         (Target_x86_64::plt_entry_size): Likewise.
1846         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1847         rather than plt_entry_size variable.  Move guts of PLT filling to...
1848         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1849         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1850         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1851
1852         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1853         additional argument for the section alignment.
1854         Don't do add_eh_frame_for_plt here.
1855         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1856         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1857         variable.
1858         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1859         method.
1860         (Output_data_plt_i386::get_plt_entry_size): Call it.
1861         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1862         (Output_data_plt_i386::add_eh_frame): New method to call it.
1863         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1864         method.
1865         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1866         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1867         method.
1868         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1869         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1870         method instead of plt_entry_size.
1871         (Output_data_plt_i386::plt_entry_size)
1872         (Output_data_plt_i386::plt_eh_frame_fde_size)
1873         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1874         (Output_data_plt_i386_standard): ... here, new class.
1875         (Output_data_plt_i386_exec): New class.
1876         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1877         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1878         (Output_data_plt_i386::exec_plt_entry): Move to ...
1879         (Output_data_plt_i386_exec::plt_entry): ... here.
1880         (Output_data_plt_i386_dyn): New class.
1881         (Output_data_plt_i386::first_plt_entry): Move to ...
1882         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1883         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1884         (Output_data_plt_i386_dyn::plt_entry): ... here.
1885         (Target_i386::Target_i386): Take optional argument for the Target_info
1886         pointer to use.
1887         (Target_i386::do_make_data_plt): New virtual method.
1888         (Target_i386::make_data_plt): New method to call it.
1889         (Target_i386::make_plt_section): Use that.
1890         Call this->plt_->add_eh_frame method here.
1891         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1892         rather than plt_entry_size variable.
1893         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1894         (Output_data_plt_i386::address_for_local): Likewise.
1895         (Output_data_plt_i386::do_write): Likewise.
1896         Move guts of PLT filling to...
1897         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1898         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1899         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1900         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1901
1902 2012-05-01  Cary Coutant  <ccoutant@google.com>
1903
1904         * dwarf_reader.cc (Dwarf_die::read_attributes)
1905         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1906         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1907         * reduced_debug_output.cc
1908         (Output_reduced_debug_info_section::get_die_end): Remove
1909         DW_FORM_GNU_ref_index.  Add default case.
1910
1911 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1912
1913         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1914         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1915         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1916         DW_AT_high_pc as offset from DW_AT_low_pc.
1917
1918         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1919         * testsuite/Makefile.in: Regenerate.
1920         * testsuite/gdb_index_test_3.c: New test source file.
1921         * testsuite/gdb_index_test_3.sh: New test source file.
1922
1923 2012-04-25  Ian Lance Taylor  <iant@google.com>
1924
1925         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1926         pointer.
1927         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1928         as a class, not a struct.
1929         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1930         (Target_arm::apply_cortex_a8_workaround): Likewise.
1931         * gc.h: Declare Reloc_types as a struct, not a class.
1932         * object.h: Declare Symbols_data as a struct.
1933         * reloc.h: Declare Read_relocs_data as a struct.
1934         * target.h: Declare Relocate_info as a struct.
1935
1936 2012-04-24  David S. Miller  <davem@davemloft.net>
1937
1938         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1939         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1940         and R_SPARC_WPLT30.
1941
1942 2012-04-24  Cary Coutant  <ccoutant@google.com>
1943
1944         * incremental-dump.cc (find_input_containing_global): Replace
1945         magic number with symbolic constant.
1946         (dump_incremental_inputs): Update version number.
1947         * incremental.cc (Output_section_incremental_inputs): Update version
1948         number; import symbolic constants from Incremental_inputs_reader.
1949         (Incremental_inputs::create_data_sections): Align relocations
1950         section correctly for 64-bit targets.
1951         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1952         constants; add padding.
1953         (Output_section_incremental_inputs::write_header): Add assert for
1954         header_size.
1955         (Output_section_incremental_inputs::write_input_files): Add assert
1956         for input_entry_size.
1957         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1958         add assert for object_info_size, input_section_entry_size,
1959         global_sym_entry_size.
1960         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1961         for data structure sizes; use them.
1962         (Incremental_input_entry_reader): Import symbolic constants from
1963         Incremental_inputs_reader; use them.
1964
1965 2012-04-23  David S. Miller  <davem@davemloft.net>
1966
1967         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1968         and elf_flags_set_.
1969         (Target_sparc::Target_sparc): Initialize new fields.
1970         (Target_sparc::do_make_elf_object): New function.
1971         (Target_sparc::do_adjust_elf_header): New function.
1972
1973 2012-04-23  Cary Coutant  <ccoutant@google.com>
1974
1975         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1976         CU range table of gdb index.
1977
1978 2012-04-20  David S. Miller  <davem@davemloft.net>
1979
1980         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1981         instead of false.
1982
1983 2012-04-16  David S. Miller  <davem@davemloft.net>
1984
1985         * sparc.cc (Target_sparc::got_address): New function.
1986         (Sparc_relocate_functions::gdop_hix22): New function.
1987         (Sparc_relocate_functions::gdop_lox10): New function.
1988         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1989         relocs.
1990         (Target_sparc::Scan::local): Likewise if the global symbol is not
1991         preemptible and is not IFUNC.
1992         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1993         transformations for local and non-preemptible non-IFUNC global
1994         symbols.
1995
1996         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1997         writing out 64-bit part of ranges.
1998
1999         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
2000         -fpic and -fpie respectively.
2001         * Makefile.in: Regenerate.
2002
2003         * sparc.cc (class Target_sparc): Add rela_ifunc_.
2004         (Target_sparc::Target_sparc): Initialize new field.
2005         (Target_sparc::do_plt_section_for_global): New function.
2006         (Target_sparc::do_plt_section_for_local): New function.
2007         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
2008         (Target_sparc::make_plt_section): New function, broken out of
2009         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
2010         (Target_sparc::make_plt_entry): Call make_plt_section.
2011         (Target_sparc::make_local_ifunc_plt_entry): New function.
2012         (Target_sparc::rela_ifunc_section): New function.
2013         (Target_sparc::plt_section): Remove const.
2014         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
2015         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
2016         and ifunc_count_ fields.
2017         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
2018         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
2019         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
2020         (Output_data_plt_sparc::rela_ifunc): New function.
2021         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
2022         (Output_data_plt_sparc::has_ifunc_section): New function.
2023         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
2024         (Output_data_plt_sparc::address_for_global): New function.
2025         (Output_data_plt_sparc::address_for_local): New function.
2026         (Output_data_plt_sparc::plt_index_to_offset): New function.
2027         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
2028         and entry_count.
2029         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
2030         entry_count.
2031         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
2032         R_SPARC_JMP_IREL to switch.
2033         (Target_sparc::Scan::check_non_pic): Likewise.
2034         (Target_sparc::Scan::local): Handle IFUNC symbols.
2035         (Target_sparc::Scan::local): Likewise.
2036         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
2037         and plt_address_for_local.
2038         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
2039         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
2040
2041         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
2042         (class Output_data_reloc): Adjust calls to Output_reloc_type.
2043         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
2044         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
2045         global relocs too.
2046         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
2047         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
2048         calls.
2049         * sparc.cc (Target_sparc::Scan::global): Likewise.
2050         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2051
2052 2012-04-16  Cary Coutant  <ccoutant@google.com>
2053
2054         * archive.cc (Library_base::should_include_member): Check for
2055         --export-dynamic-symbol.
2056         * options.h (class General_options): Add --export-dynamic-symbol.
2057         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
2058         --export-dynamic-symbol.
2059         (Symbol_table::gc_mark_undef_symbols): Likewise.
2060         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
2061
2062 2012-04-12  David S. Miller  <davem@davemloft.net>
2063
2064         * sparc.cc (Reloc::wdisp10): New relocation method.
2065         (Reloc::h34): Likewise.
2066         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
2067         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
2068         R_SPARC_WDISP10.
2069         (Target_sparc::Scan::local): Likewise.
2070         (Target_sparc::Scan::global): Likewise.
2071         (Target_sparc::Relocate::relocate): Likewise.
2072
2073 2012-04-09  Cary Coutant  <ccoutant@google.com>
2074
2075         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
2076         low_pc == 0.
2077
2078 2012-04-06  Ian Lance Taylor  <iant@google.com>
2079
2080         * timer.cc: #include <unistd.h>.
2081
2082 2012-04-06  Roland McGrath  <mcgrathr@google.com>
2083
2084         * configure.in (AC_CHECK_HEADERS): Add locale.h.
2085         * config.in: Regenerate.
2086         * configure: Regenerate.
2087
2088 2012-04-05  Nick Clifton  <nickc@redhat.com>
2089
2090         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
2091         (AM_LC_MESSAGES): Add.
2092         * aclocal.m4: Regenerate.
2093         * config.in: Regenerate.
2094         * configure: Regenerate.
2095
2096 2012-03-21  Cary Coutant  <ccoutant@google.com>
2097
2098         * Makefile.am: Add gdb-index.cc, gdb-index.h.
2099         * Makefile.in: Regenerate.
2100         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
2101         (Sized_elf_reloc_mapper::symbol_section): New function.
2102         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
2103         (make_elf_reloc_mapper): New function.
2104         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
2105         (Dwarf_abbrev_table::do_read_abbrevs): New function.
2106         (Dwarf_abbrev_table::do_get_abbrev): New function.
2107         (Dwarf_ranges_table::read_ranges_table): New function.
2108         (Dwarf_ranges_table::read_range_list): New function.
2109         (Dwarf_pubnames_table::read_section): New function.
2110         (Dwarf_pubnames_table::read_header): New function.
2111         (Dwarf_pubnames_table::next_name): New function.
2112         (Dwarf_die::Dwarf_die): New function.
2113         (Dwarf_die::read_attributes): New function.
2114         (Dwarf_die::skip_attributes): New function.
2115         (Dwarf_die::set_name): New function.
2116         (Dwarf_die::set_linkage_name): New function.
2117         (Dwarf_die::attribute): New function.
2118         (Dwarf_die::string_attribute): New function.
2119         (Dwarf_die::int_attribute): New function.
2120         (Dwarf_die::uint_attribute): New function.
2121         (Dwarf_die::ref_attribute): New function.
2122         (Dwarf_die::child_offset): New function.
2123         (Dwarf_die::sibling_offset): New function.
2124         (Dwarf_info_reader::check_buffer): New function.
2125         (Dwarf_info_reader::parse): New function.
2126         (Dwarf_info_reader::do_parse): New function.
2127         (Dwarf_info_reader::do_read_string_table): New function.
2128         (Dwarf_info_reader::lookup_reloc): New function.
2129         (Dwarf_info_reader::get_string): New function.
2130         (Dwarf_info_reader::visit_compilation_unit): New function.
2131         (Dwarf_info_reader::visit_type_unit): New function.
2132         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
2133         Sized_elf_reloc_mapper.
2134         (Sized_dwarf_line_info::symbol_section): Remove function.
2135         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
2136         (Sized_dwarf_line_info::read_line_mappings): Remove object
2137         parameter, adjust callers.
2138         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
2139         * dwarf_reader.h: Include <sys/types.h>.
2140         (class Track_relocs): Remove forward declaration.
2141         (class Elf_reloc_mapper): New class.
2142         (class Sized_elf_reloc_mapper): New class.
2143         (class Dwarf_abbrev_table): New class.
2144         (class Dwarf_range_list): New class.
2145         (class Dwarf_ranges_table): New class.
2146         (class Dwarf_pubnames_table): New class.
2147         (class Dwarf_die): New class.
2148         (class Dwarf_info_reader): New class.
2149         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
2150         (Sized_dwarf_line_info::symbol_section): Remove member function.
2151         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
2152         base class.
2153         * gdb-index.cc: New source file.
2154         * gdb-index.h: New source file.
2155         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
2156         and .debug_types sections, call Layout::add_to_gdb_index.
2157         (Sized_relobj_incr::do_section_name): Implement.
2158         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
2159         return type; Implement.
2160         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
2161         return type.
2162         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
2163         parameter list and return type.
2164         (Sized_incr_dynobj::do_section_contents): Likewise.
2165         * layout.cc: Include gdb-index.h.
2166         (Layout::Layout): Initialize gdb_index_data_.
2167         (Layout::init_fixed_output_section): Check for .gdb_index section.
2168         (Layout::add_to_gdb_index): New function. Instantiate.
2169         * layout.h: Add forward declaration for class Gdb_index.
2170         (Layout::add_to_gdb_index): New member function.
2171         (Layout::gdb_index_data_): New data member.
2172         * main.cc: Include gdb-index.h.
2173         (main): Print statistics for gdb index.
2174         * object.cc (Object::section_contents): Move code into
2175         do_section_contents.
2176         (need_decompressed_section): Check for sections needed when building
2177         gdb index.
2178         (build_compressed_section_map): Likewise.
2179         (Sized_relobj_file::do_read_symbols): Need local symbols when building
2180         gdb index.
2181         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
2182         sections; call Layout::add_to_gdb_index.
2183         (Sized_relobj_file::do_decompressed_section_contents): Call
2184         do_section_contents directly.
2185         * object.h (Object::do_section_contents): Adjust parameter list and
2186         return type.
2187         (Object::do_decompressed_section_contents): Call do_section_contents
2188         directly.
2189         (Sized_relobj_file::do_section_contents): Adjust parameter list and
2190         return type.
2191         * options.h (class General_options): Add --gdb-index option.
2192         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
2193         list and return type.
2194         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
2195         * reloc.h (Track_relocs::checkpoint): New function.
2196         (Track_relocs::reset): New function.
2197
2198         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
2199         New test cases.
2200         * testsuite/Makefile.in: Regenerate.
2201         * testsuite/gdb_index_test.cc: New test source file.
2202         * testsuite/gdb_index_test_1.sh: New test source file.
2203         * testsuite/gdb_index_test_2.sh: New test source file.
2204
2205 2012-03-19  Doug Kwan  <dougkwan@google.com>
2206
2207         * arm.cc (Target_arm::do_define_standard_symbols): New method.
2208         (Target_arm::do_finalize_sections): Remove code which defines
2209         __exidx_start and __exidx_end.  Make symbol table parameter
2210         anonymous as it is not used.
2211         * gold.cc (queue_middle_tasks): Call target hook to define any
2212         target-specific symbols.
2213         * target.h (Target::define_standard_symbols): New method.
2214         (Target::do_define_standard_symbols): Same.
2215         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
2216         * testsuite/Makefile.in: Regenerate.
2217         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
2218         and __exidx_end.
2219         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
2220         relocations are generated for __exidx_start and __exidx_end.
2221
2222 2012-03-16  Doug Kwan  <dougkwan@google.com>
2223
2224         * testsuite/Makefile.am: Disable test initpri3b.
2225         * testsuite/Makefile.in: Regenerate.
2226
2227 2012-03-15  Doug Kwan  <dougkwan@google.com>
2228
2229         * arm.cc (Target_arm::got_section): Make .got section read-only
2230         if -z now is given.
2231
2232 2012-03-15  Ian Lance Taylor  <iant@google.com>
2233
2234         PR gold/13850
2235         * layout.cc (Layout::make_output_section): Correctly mark
2236         SHT_INIT_ARRAY, et. al., as relro.
2237
2238 2012-03-14  Doug Kwan  <dougkwan@google.com>
2239
2240         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
2241         dynamic relocations for protected symbols in shared objects.
2242
2243 2012-03-13  Ian Lance Taylor  <iant@google.com>
2244
2245         * resolve.cc (Symbol_table::resolve): When merging common symbols,
2246         keep the larger alignment.
2247
2248 2012-03-12  Cary Coutant  <ccoutant@google.com>
2249
2250         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
2251         handling of DW_LNE_define_file.
2252
2253 2012-03-12  Cary Coutant  <ccoutant@google.com>
2254
2255         * reduced_debug_output.cc
2256         (Output_reduced_debug_info_section::get_die_end): Add new FORM
2257         codes to switch.
2258
2259 2012-02-29  Cary Coutant  <ccoutant@google.com>
2260
2261         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
2262
2263 2012-02-29  Cary Coutant  <ccoutant@google.com>
2264
2265         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2266         Call Object::decompressed_section_contents.
2267         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
2268         New dtor.
2269         (Sized_dwarf_line_info::buffer_start_): New data member.
2270         * merge.cc (Output_merge_data::do_add_input_section): Call
2271         Object::decompressed_section_contents.
2272         (Output_merge_string::do_add_input_section): Likewise.
2273         * object.cc (need_decompressed_section): New function.
2274         (build_compressed_section_map): Decompress sections needed later.
2275         (Sized_relobj_file::do_decompressed_section_contents): New function.
2276         (Sized_relobj_file::do_discard_decompressed_sections): New function.
2277         * object.h (Object::decompressed_section_contents): New function.
2278         (Object::discard_decompressed_sections): New function.
2279         (Object::do_decompressed_section_contents): New function.
2280         (Object::do_discard_decompressed_sections): New function.
2281         (Compressed_section_info): New type.
2282         (Compressed_section_map): Include decompressed section contents.
2283         (Sized_relobj_file::do_decompressed_section_contents): New function.
2284         (Sized_relobj_file::do_discard_decompressed_sections): New function.
2285
2286 2012-02-16  Cary Coutant  <ccoutant@google.com>
2287
2288         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
2289         * testsuite/Makefile.in: Regenerate.
2290
2291 2012-02-14  Cary Coutant  <ccoutant@google.com>
2292
2293         * options.cc (General_options::finalize): Disallow -pie and -static.
2294
2295 2012-02-03  Doug Kwan  <dougkwan@google.com>
2296
2297         * arm.cc (Arm_relocate_functions::abs8,
2298         Arm_relocate_functions::abs16): Use
2299         Bits::has_signed_unsigned_overflow32.
2300         (Arm_relocate_functions::thm_abs8): Correct range of
2301         overflow check.
2302         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
2303         in assertions.
2304
2305 2012-02-02  Doug Kwan  <dougkwan@google.com>
2306
2307         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
2308         position independent outputs, not just shared objects.
2309
2310 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
2311
2312         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
2313         * configure: Regenerated.
2314
2315 2012-01-27  Ian Lance Taylor  <iant@google.com>
2316
2317         * reloc.h (Bits): New class with static functions, copied from
2318         namespace utils in arm.cc.
2319         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
2320         instead.
2321
2322 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2323
2324         * incremental.cc (write_info_blocks): Correct relocation offset.
2325
2326 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2327
2328         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
2329         (Relocate::tls_gd_to_le): Likewise.
2330
2331 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2332
2333         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
2334
2335 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2336
2337         * configure.ac: Check if -mcmodel=medium works.
2338         * configure: Regenerated.
2339
2340 2012-01-24  Cary Coutant  <ccoutant@google.com>
2341
2342         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
2343         definition and ...
2344         (read_unsigned_LEB_128_x): ... this new function.
2345         (read_signed_LEB_128): Replaced with inline definition and ...
2346         (read_signed_LEB_128_x): ... this new function.
2347         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
2348         (read_unsigned_LEB_128): Add inline definition.
2349         (read_signed_LEB_128_x): New function.
2350         (read_signed_LEB_128): Add inline definition.
2351         * testsuite/Makefile.am (leb128_unittest): New unit test.
2352         * testsuite/Makefile.in: Regenerate.
2353         * testsuite/leb128_unittest.cc: New unit test.
2354
2355 2012-01-23  Ian Lance Taylor  <iant@google.com>
2356
2357         PR gold/13617
2358         * i386.cc (Target_i386::do_code_fill): When using a jmp
2359         instruction, pad with nop instructions.
2360         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
2361
2362 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2363
2364         * x86_64.cc (gc_process_relocs): Add typename on types used in
2365         template.
2366         (scan_relocs): Likewise.
2367         (relocate_section): Likewise.
2368         (apply_relocation): Likewise.
2369
2370 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2371
2372         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
2373         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
2374         under x32.
2375
2376 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
2377
2378         * x86_64.cc: Initial support for x32.
2379
2380 2012-01-03  Cary Coutant  <ccoutant@google.com>
2381
2382         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
2383         Use abstract base class for GOT.
2384         * gold/output.h (class Output_data_got_base): New abstract base class.
2385         (class Output_data_got): Derive from new base class, adjust ctors.
2386         (Output_data_got::reserve_slot): Make virtual; rename to
2387         do_reserve_slot; Adjust callers.
2388         * gold/target.h (Sized_target::init_got_plt_for_update): Return
2389         pointer to abstract base class.
2390         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
2391
2392 2011-12-18  Ian Lance Taylor  <iant@google.com>
2393
2394         * object.h (Relobj::local_symbol_value): New function.
2395         (Relobj::local_plt_offset): New function.
2396         (Relobj::local_has_got_offset): New function.
2397         (Relobj::local_got_offset): New function.
2398         (Relobj::set_local_got_offset): New function.
2399         (Relobj::do_local_symbol_value): New pure virtual function.
2400         (Relobj::do_local_plt_offset): Likewise.
2401         (Relobj::do_local_has_got_offset): Likewise.
2402         (Relobj::do_local_got_offset): Likewise.
2403         (Relobj::do_set_local_got_offset): Likewise.
2404         (Sized_relobj::do_local_has_got_offset): Rename from
2405         local_has_got_offset.
2406         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
2407         (Sized_relobj::do_set_local_got_offset): Rename from
2408         set_local_got_offset.
2409         (Sized_relobj_file::do_local_plt_offset): Rename from
2410         local_plt_offset.
2411         (Sized_relobj_file::do_local_symbol_value): New function.
2412         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
2413         local_plt_offset.
2414         * output.cc (Output_data_got::Got_entry::write): Change object to
2415         Relobj.  Use local_symbol_value.
2416         (Output_data_got::add_global_with_rel): Change rel_dyn to
2417         Output_data_reloc_generic*.  Use add_global_generic.
2418         (Output_data_got::add_global_with_rela): Remove.  Change all
2419         callers to use add_global_with_rel.
2420         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
2421         Output_data_reloc_generic*.  Use add_global_generic.
2422         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
2423         callers to use add_global_pair_with_rel.
2424         (Output_data_got::add_local): Change object to Relobj*.
2425         (Output_data_got::add_local_plt): Likewise.
2426         (Output_data_got::add_local_with_rel): Change object to Relobj*,
2427         change rel_dyn to Output_data_reloc_generic*.  Use
2428         add_local_generic.
2429         (Output_data_got::add_local_with_rela): Remove.  Change all
2430         callers to use all_local_with_rel.
2431         (Output_data_got::add_local_pair_with_rel): Change object to
2432         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
2433         add_output_section_generic.
2434         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
2435         callers to use add_local_pair_with_rel.
2436         (Output_data_got::reserve_local): Change object to Relobj*.
2437         * output.h: (class Output_data_reloc_generic): Add pure virtual
2438         declarations for add_global_generic, add_local_generic,
2439         add_output_section_generic.
2440         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
2441         functions for Output_data_reloc_generic.  Update declarations for
2442         changes listed in output.cc.
2443         (class Output_data_got): Change template parameter to got_size.
2444         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
2445         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
2446         function.
2447         (Sized_relobj_incr::do_local_plt_offset): New function.
2448         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
2449         add_global_generic.
2450
2451 2011-12-17  Cary Coutant  <ccoutant@google.com>
2452
2453         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
2454         * resolve.cc (Symbol_table::resolve): Likewise.
2455         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
2456         arrays.
2457         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
2458
2459 2011-12-16  Ian Lance Taylor  <iant@google.com>
2460
2461         * output.h (Output_data_reloc_generic::add): Only call
2462         add_dynamic_reloc if this is a dynamic reloc section.
2463
2464 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
2465
2466         PR gold/13505
2467         * target-reloc.h (apply_relocation): Replace <64, false> with
2468         <size, big_endian>.
2469
2470 2011-11-25  Nick Clifton  <nickc@redhat.com>
2471
2472         * po/it.po: New Italian translation.
2473
2474 2011-11-17  Sterling Augustine  <saugustine@google.com>
2475
2476         * script.cc (script_include_directive): Implement.
2477         (read_script_file): New local variables name and search_path. Update
2478         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
2479         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
2480         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
2481
2482 2011-11-11  Sterling Augustine  <saugustine@google.com>
2483
2484         * yyscript.y (section_cmd): Add support for INCLUDE directive.
2485         (file_or_sections_cmd): Likewise.
2486
2487 2011-11-11  Doug Kwan  <dougkwan@google.com>
2488
2489         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
2490         if --just-symbols is given.
2491
2492 2011-11-10  Doug Kwan  <dougkwan@google.com>
2493
2494         PR gold/13362
2495         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
2496         when processing data relocs.
2497         * reloc.h (Relocate_functions::rel_unaligned): New method.
2498         (Relocate_functions::pcrel_unaligned): Ditto.
2499         (Relocate_functions::rel32_unaligned): Ditto.
2500         (Relocate_functions::pcrel32_unaligned): Ditto.
2501
2502 2011-11-09  Doug Kwan  <dougkwan@google.com>
2503
2504         PR gold/13362
2505         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
2506         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
2507         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
2508         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2509         (Relocate_functions::rel_unaligned): New.
2510         (Relocate_functions::rel32_unaligned): New.
2511         * target-reloc.h (relocate_for_relocatable): Add code to handle
2512         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2513         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
2514         arm_unaligned_reloc_r): New targets.
2515         * testsuite/Makefile.in: Regenerate.
2516         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
2517         linking.
2518
2519 2011-11-02  Ian Lance Taylor  <iant@google.com>
2520
2521         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
2522         NATIVE_LINKER.
2523         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
2524         * options.cc (General_options::finalize): Use library search path
2525         from configure script if specified.  If not native and no sysroot,
2526         only search TOOLLIBDIR.
2527         * options.h (Search_directory::Search_directory): Change name to
2528         const std::string&.
2529         (General_options::add_to_library_path_with_sysroot): Change arg to
2530         const std::string&.
2531         * configure, Makefile.in, config.in: Rebuild.
2532
2533 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2534
2535         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
2536         we are working around the ARM1176 Erratum.
2537         * options.h (General_options::fix_arm1176): Add option.
2538         * testsuite/Makefile.am: Add testcases, and keep current ones
2539         working.
2540         * testsuite/Makefile.in: Regenerate.
2541         * testsuite/arm_fix_1176.s: New file.
2542         * testsuite/arm_fix_1176.sh: Likewise.
2543
2544 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2545
2546         * arm.cc (Target_arm::Target_arm): Remove initialisation of
2547         may_use_blx_.
2548         (Target_arm::may_use_blx): Remove method.
2549         (Target_arm::set_may_use_blx): Likewise.
2550         (Target_arm::may_use_v4t_interworking): New method.
2551         (Target_arm::may_use_v5t_interworking): Likewise.
2552         (Target_arm::may_use_blx_): Remove member variable.
2553         (Arm_relocate_functions::arm_branch_common): Check for v5T
2554         interworking.
2555         (Arm_relocate_functions::thumb_branch_common): Likewise.
2556         (Reloc_stub::stub_type_for_reloc): Likewise.
2557         (Target_arm::do_finalize_sections): Correct interworking checks.
2558         * testsuite/Makefile.am: Add new tests.
2559         * testsuite/Makefile.in: Regenerate.
2560         * testsuite/arm_farcall_arm_arm.s: New test.
2561         * testsuite/arm_farcall_arm_arm.sh: Likewise.
2562         * testsuite/arm_farcall_arm_thumb.s: Likewise.
2563         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
2564         * testsuite/arm_farcall_thumb_arm.s: Likewise.
2565         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
2566         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
2567         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
2568
2569 2011-10-31  Cary Coutant  <ccoutant@google.com>
2570
2571         PR gold/13023
2572         * expression.cc (Expression::eval_with_dot): Add
2573         is_section_dot_assignment parameter.
2574         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
2575         absolute and assigning to dot within a section.
2576         * script-sections.cc
2577         (Output_section_element_assignment::set_section_addresses): Pass
2578         dot_section to set_if_absolute.
2579         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
2580         as is_section_dot_assignment flag to eval_with_dot.
2581         (Output_section_element_dot_assignment::set_section_addresses):
2582         Likewise.
2583         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
2584         parameter.  Also set value if relative to dot_section; set the
2585         symbol's output_section.
2586         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
2587         parameter.  Adjust all callers.
2588         (Expression::eval_maybe_dot): Likewise.
2589         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
2590         Adjust all callers.
2591         * testsuite/script_test_2.t: Test assignment of an absolute value
2592         to dot within an output section element.
2593
2594 2011-10-31  Cary Coutant  <ccoutant@google.com>
2595
2596         * options.h (class General_options): Add --[no-]gnu-unique options.
2597         * symtab.cc (Symbol_table::sized_write_globals): Convert
2598         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
2599
2600 2011-10-31  Cary Coutant  <ccoutant@google.com>
2601
2602         PR gold/13359
2603         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
2604         unnecessary assertion.
2605         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
2606
2607 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
2608
2609         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2610         gc_mark_symbol.
2611         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2612         gc_mark_symbol.
2613         Change to just keep the section associated with symbol.
2614         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
2615         they are externally visible and --export-dynamic is turned on.
2616         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
2617
2618 2011-10-19  Ian Lance Taylor  <iant@google.com>
2619
2620         PR gold/13163
2621         * script-sections.cc
2622         (Output_section_element_dot_assignment::needs_output_section): New
2623         function.
2624
2625 2011-10-19  Ian Lance Taylor  <iant@google.com>
2626
2627         PR gold/13204
2628         * layout.cc (Layout::segment_precedes): Don't assert failure if a
2629         --section-start option was seen.
2630         * options.h (General_options::any_section_start): New function.
2631
2632 2011-10-18  David S. Miller  <davem@davemloft.net>
2633
2634         PR binutils/13301
2635         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
2636         member to track relocation locations that have moved during TLS
2637         reloc optimizations.
2638         (Target_sparc::Relocate::Relocate): Initialize to NULL.
2639         (Target_sparc::Relocate::relocate): Adjust view down by 4
2640         bytes if it matches reloc_adjust_addr_.
2641         (Target_sparc::Relocate::relocate_tls): Always move the
2642         __tls_get_addr call delay slot instruction forward 4 bytes when
2643         performing relaxation.
2644
2645 2011-10-18  Cary Coutant  <ccoutant@google.com>
2646
2647         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
2648         (Output_file::map_no_anonymous): Check for non-zero
2649         return code from posix_fallocate.
2650
2651 2011-10-17  Cary Coutant  <ccoutant@google.com>
2652
2653         PR gold/13245
2654         * plugin.cc (is_visible_from_outside): Check for symbols
2655         referenced from dynamic objects.
2656         * resolve.cc (Symbol_table::resolve): Don't count references
2657         from dynamic objects as references from real ELF files.
2658         * testsuite/plugin_test_2.sh: Adjust expected result.
2659
2660 2011-10-17  Cary Coutant  <ccoutant@google.com>
2661
2662         * gold.cc: Include timer.h.
2663         (queue_middle_tasks): Stamp time.
2664         (queue_final_tasks): Likewise.
2665         * main.cc (main): Store timer in parameters.  Print timers
2666         for each pass.
2667         * parameters.cc (Parameters::Parameters): Initialize timer_.
2668         (Parameters::set_timer): New function.
2669         (set_parameters_timer): New function.
2670         * parameters.h (Parameters::set_timer): New function.
2671         (Parameters::timer): New function.
2672         (Parameters::timer_): New data member.
2673         (set_parameters_timer): New function.
2674         * timer.cc (Timer::stamp): New function.
2675         (Timer::get_pass_time): New function.
2676         * timer.h (Timer::stamp): New function.
2677         (Timer::get_pass_time): New function.
2678         (Timer::pass_times_): New data member.
2679
2680 2011-10-17  Cary Coutant  <ccoutant@google.com>
2681
2682         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
2683         task for members of lib groups.
2684
2685 2011-10-17  Cary Coutant  <ccoutant@google.com>
2686
2687         PR gold/13288
2688         * fileread.cc (File_read::find_view): Add assert.
2689         (File_read::make_view): Move bounds check (replace with assert)...
2690         (File_read::find_or_make_view): ... to here.
2691
2692 2011-10-12  Cary Coutant  <ccoutant@google.com>
2693
2694         * output.cc (Output_file::open_base_file): Handle case where
2695         ::read returns less than requested size.
2696
2697 2011-10-10  Cary Coutant  <ccoutant@google.com>
2698
2699         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
2700         Initialize defined_count_.
2701         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
2702         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
2703         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
2704         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
2705         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
2706         * incremental.h (Sized_relobj_incr::defined_count_): New data
2707         member.
2708         (Sized_incr_dynobj::defined_count_): New data member.
2709         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
2710         Return zeroes instead of internal error.
2711
2712 2011-10-10  Cary Coutant  <ccoutant@google.com>
2713
2714         PR gold/13249
2715         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
2716         (Output_reloc::symbol_value): Return PLT offset if flag is set.
2717         * output.h (class Output_reloc): Add use_plt_offset flag.
2718         (Output_reloc::type_): Adjust size of bit field.
2719         (Output_reloc::use_plt_offset_): New bit field.
2720         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
2721         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
2722         flag.  Adjust all callers.
2723         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
2724         creating RELATIVE relocations.
2725
2726 2011-10-10  Nick Clifton  <nickc@redhat.com>
2727
2728         * po/es.po: Updated Spanish translation.
2729         * po/fi.po: Updated Finnish translation.
2730
2731 2011-10-03   Diego Novillo  <dnovillo@google.com>
2732
2733         * options.cc (parse_uint): Fix dereference of RETVAL.
2734
2735 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
2736
2737         * layout.h (section_order_map_): New member.
2738         (get_section_order_map): New member function.
2739         * output.cc (Output_section::add_input_section): Check for patterns
2740         only when --section-ordering-file is specified.
2741         * gold.cc (queue_middle_tasks): Delay updating order of sections till
2742         output_sections have been formed.
2743         * layout.cc (Layout_Layout): Initialize section_order_map_.
2744         * plugin.cc (update_section_order): Store order in order_map. Do not
2745         update the order.
2746         * testsuite/Makefile.am: Add test case for plugin_final_layout.
2747         * testsuite/Makefile.in: Regenerate.
2748         * testsuite/plugin_section_order.c: New file.
2749         * testsuite/plugin_final_layout.cc: New file.
2750         * testsuite/plugin_final_layout.sh: New file.
2751
2752 2011-09-29  Cary Coutant  <ccoutant@google.com>
2753
2754         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2755         Check for NULL.
2756         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
2757         symbols during incremental update.
2758         (Symbol_table::add_from_dynobj): Likewise.
2759
2760 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2761             Ian Lance Taylor  <iant@google.com>
2762
2763         * symtab.cc (Symbol_table::define_special_symbol): Always
2764         canonicalize version string.
2765
2766 2011-09-26  Cary Coutant  <ccoutant@google.com>
2767
2768         * gold.cc (queue_initial_tasks): Move option checks ...
2769         * options.cc (General_options::finalize): ... to here. Disable
2770         some options; make others fatal.
2771
2772 2011-09-26  Cary Coutant  <ccoutant@google.com>
2773
2774         gcc PR lto/47247
2775         * plugin.cc (get_symbols_v2): New function.
2776         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
2777         (is_referenced_from_outside): New function.
2778         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
2779         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
2780         (get_symbols): Pass version parameter.
2781         (get_symbols_v2): New function.
2782         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
2783         parameter.
2784         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
2785         (onload): Add LDPT_GET_SYMBOLS_V2.
2786         (all_symbols_read_hook): Use get_symbols_v2; check for
2787         LDPR_PREVAILING_DEF_IRONLY_EXP.
2788         * testsuite/plugin_test_3.sh: Update expected results.
2789
2790 2011-09-23  Simon Baldwin  <simonb@google.com>
2791
2792         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
2793         configuration options.
2794         * configure: Regenerate.
2795         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2796         * Makefile.in: Regenerate.
2797         * testsuite/Makefile.in: Regenerate.
2798
2799 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2800
2801         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2802
2803 2011-09-19  Cary Coutant  <ccoutant@google.com>
2804
2805         * incremental.cc (can_incremental_update): Fix typo in comment.
2806         * incremental.h (can_incremental_update): Likewise.
2807
2808 2011-09-18  Cary Coutant  <ccoutant@google.com>
2809
2810         * incremental.cc (can_incremental_update): New function.
2811         * incremental.h (can_incremental_update): New function.
2812         * layout.cc (Layout::init_fixed_output_section): Call it.
2813         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2814         * object.cc (Sized_relobj_file::do_layout): Call
2815         can_incremental_update.
2816
2817 2011-09-13  Cary Coutant  <ccoutant@google.com>
2818
2819         * configure.ac: Check for glibc support for gnu_indirect_function
2820         support with static linking, setting automake conditional
2821         IFUNC_STATIC.
2822         * Makefile.in: Regenerate.
2823         * configure: Regenerate.
2824
2825         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2826         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2827         for IFUNC_STATIC.
2828         * testsuite/Makefile.in: Regenerate.
2829
2830 2011-09-13  Cary Coutant  <ccoutant@google.com>
2831
2832         * incremental.cc (Sized_relobj_incr::do_layout): Call
2833         report_comdat_group for kept comdat sections.
2834         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2835         * testsuite/Makefile.in: Regenerate.
2836         * testsuite/incr_comdat_test_1.cc: New source file.
2837         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2838         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2839         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2840
2841 2011-09-13  Ian Lance Taylor  <iant@google.com>
2842
2843         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2844         variable external_symbols_offset.
2845
2846 2011-09-12  Ian Lance Taylor  <iant@google.com>
2847
2848         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2849         triggered if object has no symbols.
2850
2851 2011-09-09  David S. Miller  <davem@davemloft.net>
2852
2853         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2854         (Output_fill_debug_line::do_write): Likewise.
2855
2856 2011-08-29  Cary Coutant  <ccoutant@google.com>
2857
2858         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2859         casts to match formatting specs.
2860         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2861
2862 2011-08-26  Cary Coutant  <ccoutant@google.com>
2863
2864         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2865         remaining hole size when allocating.
2866         (Layout::make_output_section): Set fill methods for debug sections.
2867         * layout.h (Free_list::Free_list_node): Move from private to
2868         public.
2869         (Free_list::set_min_hole_size): New function.
2870         (Free_list::begin, Free_list::end): New functions.
2871         (Free_list::min_hole_): New data member.
2872         * output.cc: Include dwarf.h.
2873         (Output_fill_debug_info::do_minimum_hole_size): New function.
2874         (Output_fill_debug_info::do_write): New function.
2875         (Output_fill_debug_line::do_minimum_hole_size): New function.
2876         (Output_fill_debug_line::do_write): New function.
2877         (Output_section::Output_section): Initialize new data member.
2878         (Output_section::set_final_data_size): Ensure patch space is larger
2879         than minimum hole size.
2880         (Output_section::do_write): Fill holes in debug sections.
2881         * output.h (Output_fill): New class.
2882         (Output_fill_debug_info): New class.
2883         (Output_fill_debug_line): New class.
2884         (Output_section::set_free_space_fill): New function.
2885         (Output_section::free_space_fill_): New data member.
2886         * testsuite/Makefile.am (incremental_test_3): Add
2887         --incremental-patch option.
2888         (incremental_test_4): Likewise.
2889         (incremental_test_5): Likewise.
2890         (incremental_test_6): Likewise.
2891         (incremental_copy_test): Likewise.
2892         (incremental_common_test_1): Likewise.
2893         * testsuite/Makefile.in: Regenerate.
2894
2895 2011-08-26  Nick Clifton  <nickc@redhat.com>
2896
2897         * po/es.po: Updated Spanish translation.
2898
2899 2011-08-01  Cary Coutant  <ccoutant@google.com>
2900
2901         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2902         * gold/testsuite/Makefile.in: Regenerate.
2903         * gold/testsuite/justsyms_exec.c: New source file.
2904         * gold/testsuite/justsyms_lib.c: New source file.
2905
2906 2011-08-01  Cary Coutant  <ccoutant@google.com>
2907
2908         * layout.cc (Layout::set_segment_offsets): Don't realign text
2909         segment if -Ttext was specified.
2910         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2911         file type.
2912         * object.h (Sized_relobj_file::e_type): New function.
2913         (Sized_relobj_file::e_type_): New data member.
2914         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2915         base address for ET_EXEC files.
2916         * target.cc (Target::do_make_elf_object_implementation): Allow
2917         ET_EXEC files with --just-symbols option.
2918
2919 2011-07-28  Cary Coutant  <ccoutant@google.com>
2920
2921         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2922         Add thread_number parameter.
2923         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2924         * workqueue-threads.cc
2925         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2926         current thread if its thread number is greater than desired thread
2927         count.
2928         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2929         Add thread_number parameter.
2930         (Workqueue::should_cancel_thread): Likewise.
2931         (Workqueue::find_runnable_or_wait): Pass thread_number to
2932         should_cancel_thread.
2933         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2934         parameter.
2935
2936 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2937
2938         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2939         only after checking if it cannot be forced local.
2940         * symtab.h (is_externally_visible): Check if the symbol is not forced
2941         local.
2942
2943 2011-07-15  Ian Lance Taylor  <iant@google.com>
2944
2945         * options.h (class General_options): Add --print-output-format.
2946         Move -EL next to -EB, for  better --help output.
2947         * target-select.cc: Include <cstdio>, "options.h", and
2948         "parameters.h".
2949         (Target_selector::do_target_bfd_name): New function.
2950         (print_output_format): New function.
2951         * target-select.h (class Target_selector): Update declarations.
2952         (Target_selector::target_bfd_name): New function.
2953         (print_output_format): Declare.
2954         * main.cc: Include "target-select.h".
2955         (main): Handle --print-output-format.
2956         * gold.cc: Include "target-select.h".
2957         (queue_initial_tasks): Handle --print-output-format when there are
2958         no input files.
2959         * parameters.cc (parameters_force_valid_target): Give a better
2960         error message if -EB/-EL does not match target.
2961         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2962         function.
2963
2964 2011-07-15  Ian Lance Taylor  <iant@google.com>
2965
2966         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2967         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2968         (Output_data_plt_i386::do_write): Write address of .dynamic
2969         section to first entry in .got.plt section.
2970         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2971         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2972         Initialize layout_.
2973         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2974         section to first entry in .got.plt section.
2975         * layout.h (Layout::dynamic_section): New function.
2976
2977 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2978
2979         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2980         to claim_file call.
2981         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2982         input_section_position_, and input_section_glob_.
2983         (read_layout_from_file): Call function section_ordering_specified.
2984         * layout.h (is_section_ordering_specified): New function.
2985         (section_ordering_specified): New function.
2986         (section_ordering_specified_): New boolean member.
2987         * main.cc(main): Call load_plugins after layout object is defined.
2988         * output.cc (Output_section::add_input_section): Use
2989         function section_ordering_specified to check if section ordering is
2990         needed.
2991         * output.cc (Output_section::add_relaxed_input_section): Use
2992         function section_ordering_specified to check if section ordering is
2993         needed.
2994         (Output_section::update_section_layout): New function.
2995         (Output_section::sort_attached_input_sections): Check if input section
2996         must be reordered.
2997         * output.h (Output_section::update_section_layout): New function.
2998         * plugin.cc (get_section_count): New function.
2999         (get_section_type): New function.
3000         (get_section_name): New function.
3001         (get_section_contents): New function.
3002         (update_section_order): New function.
3003         (allow_section_ordering): New function.
3004         (Plugin::load): Add the new interfaces to the transfer vector.
3005         (Plugin_manager::load_plugins): New parameter.
3006         (Plugin_manager::all_symbols_read): New parameter.
3007         (Plugin_manager::claim_file): New parameter. Save the elf object for
3008         unclaimed objects.
3009         (Plugin_manager::get_elf_object): New function.
3010         (Plugin_manager::get_view): Change to directly use the bool to check
3011         if get_view is called from claim_file_hook.
3012         * plugin.h (input_objects): New function
3013         (Plugin__manager::load_plugins): New parameter.
3014         (Plugin_manager::claim_file): New parameter.
3015         (Plugin_manager::get_elf_object): New function.
3016         (Plugin_manager::in_claim_file_handler): New function.
3017         (Plugin_manager::in_claim_file_handler_): New member.
3018         (layout): New function.
3019         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
3020         handler with an extra parameter. Make the elf object before calling
3021         claim_file handler.
3022         * testsuite/plugin_test.c (get_section_count): New function pointer.
3023         (get_section_type): New function pointer.
3024         (get_section_name): New function pointer.
3025         (get_section_contents): New function pointer.
3026         (update_section_order): New function pointer.
3027         (allow_section_ordering): New function pointer.
3028         (onload): Check if the new interfaces exist.
3029
3030 2011-07-13  Ian Lance Taylor  <iant@google.com>
3031
3032         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
3033         relro section.
3034         * x86_64.cc (Target_x86_64::got_section): Likewise.
3035         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
3036         (relro_now_test_SOURCES): New variable.
3037         (relro_now_test_DEPENDENCIES): New variable.
3038         (relro_now_test_LDFLAGS): New variable.
3039         (relro_now_test_LDADD): New variable.
3040         (relro_now_test.so): New target.
3041         * testsuite/Makefile.in: Rebuild.
3042
3043 2011-07-12  Ian Lance Taylor  <iant@google.com>
3044
3045         PR gold/12980
3046         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
3047         GLOB_DAT relocation rather than a RELATIVE relocation for a
3048         protected symbol when creating a shared library.
3049         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3050         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
3051         * testsuite/protected_main_1.cc (main): Test that protected
3052         function has same address.
3053
3054 2011-07-11  Ian Lance Taylor  <iant@google.com>
3055
3056         PR gold/12979
3057         * options.h (class General_options): Add -Bgroup.
3058         * options.cc (General_options::finalize): If -Bgroup is set,
3059         default to --unresolved-symbols=report-all.
3060         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
3061         * target-reloc.h (issue_undefined_symbol_error): Handle
3062         --unresolved-symbols=report-all.
3063
3064 2011-07-08  Ian Lance Taylor  <iant@google.com>
3065
3066         PR gold/11985
3067         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
3068         if linker script discards key sections.
3069         (Layout::create_dynamic_symtab): Likewise.
3070         (Layout::assign_local_dynsym_offsets): Likewise.
3071         (Layout::sized_create_version_sections): Likewise.
3072         (Layout::create_interp): Likewise.
3073         (Layout::finish_dynamic_section): Likewise.
3074         (Layout::set_dynamic_symbol_size): Likewise.
3075
3076 2011-07-08  Ian Lance Taylor  <iant@google.com>
3077
3078         PR gold/12386
3079         * options.h (class General_options): Add --unresolved-symbols.
3080         * target-reloc.h (issue_undefined_symbol_error): Check
3081         --unresolved-symbols.  Add comments.
3082
3083 2011-07-08  Ian Lance Taylor  <iant@google.com>
3084
3085         * testsuite/odr_violation2.cc (Ordering::operator()): Make
3086         expression more complex.
3087
3088 2011-07-08  Ian Lance Taylor  <iant@google.com>
3089
3090         PR gold/11317
3091         * target-reloc.h (issue_undefined_symbol_error): New inline
3092         function, broken out of relocate_section.
3093         (relocate_section): Call issue_undefined_symbol_error.
3094         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
3095         there is no TLS segment if we are about to issue an undefined
3096         symbol error.
3097         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
3098
3099 2011-07-08  Ian Lance Taylor  <iant@google.com>
3100
3101         PR gold/12279
3102         * resolve.cc (Symbol_table::should_override): Add fromtype
3103         parameter.  Change all callers.  Give error when linking together
3104         TLS and non-TLS symbol.
3105         (Symbol_table::should_override_with_special): Add fromtype
3106         parameter.  Change all callers.
3107         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
3108         there is no TLS segment if we have reported some errors.
3109         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
3110
3111 2011-07-08  Ian Lance Taylor  <iant@google.com>
3112
3113         PR gold/12372
3114         * target.h (Target::plt_address_for_global): New function.
3115         (Target::plt_address_for_local): New function.
3116         (Target::plt_section_for_global): Remove.
3117         (Target::plt_section_for_local): Remove.
3118         (Target::do_plt_address_for_global): New virtual function.
3119         (Target::do_plt_address_for_local): New virtual function.
3120         (Target::do_plt_section_for_global): Remove.
3121         (Target::do_plt_section_for_local): Remove.
3122         (Target::register_global_plt_entry): Add Symbol_table and Layout
3123         parameters.
3124         * output.cc (Output_data_got::Got_entry::write): Use
3125         plt_address_for_global and plt_address_for_local.
3126         * layout.cc (Layout::add_target_dynamic_tags): Use size and
3127         address of output section.
3128         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
3129         got_irelative_, and irelative_count_ fields.  Update
3130         declarations.
3131         (Output_data_plt_i386::has_irelative_section): New function.
3132         (Output_data_plt_i386::entry_count): Add irelative_count_.
3133         (Output_data_plt_i386::set_final_data_size): Likewise.
3134         (class Target_i386): Add got_irelative_ and rel_irelative_
3135         fields.  Update declarations.
3136         (Target_i386::Target_i386): Initialize new fields.
3137         (Target_i386::do_plt_address_for_global): New function replacing
3138         do_plt_section_for_global.
3139         (Target_i386::do_plt_address_for_local): New function replacing
3140         do_plt_section_for_local.
3141         (Target_i386::got_section): Create got_irelative_.
3142         (Target_i386::rel_irelative_section): New function.
3143         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
3144         fields.  Don't define __rel_iplt_{start,end}.
3145         (Output_data_plt_i386::add_entry): Add symtab and layout
3146         parameters.  Change all callers.  Use different PLT and GOT for
3147         IFUNC symbols.
3148         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
3149         layout parameters.  Change all callers.  Use different PLT and
3150         GOT.
3151         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
3152         (Output_data_plt_i386::rel_irelative): New function.
3153         (Output_data_plt_i386::address_for_global): New function.
3154         (Output_data_plt_i386::address_for_local): New function.
3155         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
3156         IRELATIVE GOT when changing IFUNC GOT entries.
3157         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
3158         reloc.
3159         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
3160         if we didn't create an IRELATIVE GOT.
3161         (Target_i386::Relocate::relocate): Use plt_address_for_global and
3162         plt_address_for_local.
3163         (Target_i386::do_dynsym_value): Use plt_address_for_global.
3164         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
3165         got_irelative_, and irelative_count_ fields.  Update
3166         declarations.
3167         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
3168         Initialize new fields.  Remove symtab parameter.  Change all
3169         callers.
3170         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
3171         irelative_count_.
3172         (Output_data_plt_x86_64::has_irelative_section): New function.
3173         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
3174         (class Target_x86_64): Add got_irelative_ and rel_irelative_
3175         fields.  Update declarations.
3176         (Target_x86_64::Target_x86_64): Initialize new fields.
3177         (Target_x86_64::do_plt_address_for_global): New function replacing
3178         do_plt_section_for_global.
3179         (Target_x86_64::do_plt_address_for_local): New function replacing
3180         do_plt_section_for_local.
3181         (Target_x86_64::got_section): Create got_irelative_.
3182         (Target_x86_64::rela_irelative_section): New function.
3183         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
3184         all callers.  Don't create __rel_iplt_{start,end}.
3185         (Output_data_plt_x86_64::add_entry): Add symtab and layout
3186         parameters.  Change all callers.  Use different PLT and GOT for
3187         IFUNC symbols.
3188         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
3189         layout parameters.  Change all callers.  Use different PLT and
3190         GOT.
3191         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
3192         parameters.  Change all callers.  Use different PLT and GOT for
3193         IFUNC symbols.
3194         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
3195         (Output_data_plt_x86_64::rela_irelative): New function.
3196         (Output_data_plt_x86_64::address_for_global): New function.
3197         (Output_data_plt_x86_64::address_for_local): New function.
3198         (Output_data_plt_x86_64::set_final_data_size): Likewise.
3199         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
3200         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
3201         (Target_x86_64::register_global_plt_entry): Add symtab and layout
3202         parameters.
3203         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
3204         reloc.
3205         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
3206         symbols if we didn't create an IRELATIVE GOT.
3207         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
3208         plt_address_for_local.
3209         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
3210         * testsuite/ifuncvar1.c: New test file.
3211         * testsuite/ifuncvar2.c: New test file.
3212         * testsuite/ifuncvar3.c: New test file.
3213         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
3214         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
3215         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
3216         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
3217         * testsuite/Makefile.in: Rebuild.
3218
3219 2011-07-07  Cary Coutant  <ccoutant@google.com>
3220
3221         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
3222         (two_file_test_1_ndebug.o): Likewise.
3223         (two_file_test_1b_ndebug.o): Likewise.
3224         (two_file_test_2_ndebug.o): Likewise.
3225         (two_file_test_main_ndebug.o): Likewise.
3226         (incremental_test_2): Link with no-debug versions.
3227
3228 2011-07-06  Cary Coutant  <ccoutant@google.com>
3229
3230         * gold/incremental.cc
3231         (Output_section_incremental_inputs::write_info_blocks): Check for
3232         hidden and internal symbols.
3233
3234 2011-07-06  Cary Coutant  <ccoutant@google.com>
3235
3236         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
3237         Check disposition for startup file.
3238         (Incremental_inputs::report_command_line): Ignore
3239         --incremental-startup-unchanged option.
3240         * options.cc (General_options::parse_incremental_startup_unchanged):
3241         New function.
3242         (General_options::General_options): Initialize new data member.
3243         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
3244         (General_options): Add --incremental-startup-unchanged option.
3245         (General_options::incremental_startup_disposition): New function.
3246         (General_options::incremental_startup_disposition_): New data member.
3247
3248 2011-07-06  Cary Coutant  <ccoutant@google.com>
3249
3250         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
3251         input file index to Script_info ctor.
3252         (Sized_incremental_binary::do_file_has_changed): Find the
3253         command-line argument for files named in scripts.
3254         * incremental.h (Script_info::Script_info): New ctor
3255         with input file index.
3256         (Script_info::input_file_index): New function.
3257         (Script_info::input_file_index_): New data member.
3258         (Incremental_binary::get_library): Add const.
3259         (Incremental_binary::get_script_info): Add const.
3260         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
3261         * testsuite/Makefile.am (incremental_test_5): New test case.
3262         (incremental_test_6): New test case.
3263         * testsuite/Makefile.in: Regenerate.
3264
3265 2011-07-06  Cary Coutant  <ccoutant@google.com>
3266
3267         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
3268         debug output when command lines differ.
3269
3270 2011-07-06  Cary Coutant  <ccoutant@google.com>
3271
3272         * incremental.cc (Incremental_inputs::report_command_line): Ignore
3273         --incremental-patch option.
3274         * layout.cc (Free_list::allocate): Extend allocation beyond original
3275         end if enabled.
3276         (Layout::make_output_section): Mark sections that should get
3277         patch space.
3278         * options.cc (parse_percent): New function.
3279         * options.h (parse_percent): New function.
3280         (DEFINE_percent): New macro.
3281         (General_options): Add --incremental-patch option.
3282         * output.cc (Output_section::Output_section): Initialize new data
3283         members.
3284         (Output_section::add_input_section): Print section name when out
3285         of patch space.
3286         (Output_section::add_output_section_data): Likewise.
3287         (Output_section::set_final_data_size): Add patch space when
3288         doing --incremental-full.
3289         (Output_section::do_reset_address_and_file_offset): Remove patch
3290         space.
3291         (Output_segment::set_section_list_addresses): Print debug output
3292         only if --incremental-update.
3293         * output.h (Output_section::set_is_patch_space_allowed): New function.
3294         (Output_section::is_patch_space_allowed_): New data member.
3295         (Output_section::patch_space_): New data member.
3296         * parameters.cc (Parameters::incremental_full): New function.
3297         * parameters.h (Parameters::incremental_full): New function
3298         * testsuite/Makefile.am (incremental_test_2): Add test for
3299         --incremental-patch option.
3300         * testsuite/Makefile.in: Regenerate.
3301         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
3302         (t18): Remove function body.
3303
3304 2011-07-05  Doug Kwan  <dougkwan@google.com>
3305
3306         PR gold/12771
3307         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
3308         Arm_Address type for relocation result.
3309         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
3310         overflow check.
3311         (Arm_relocate_functions::abs32): Use unaligned access.
3312         (Arm_relocate_functions::rel32): Ditto.
3313         (Arm_relocate_functions::prel31): Ditto.
3314         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
3315         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
3316         static data relocations.
3317         * testsuite/Makefile.in: Regnerate.
3318         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
3319
3320 2011-07-05  Ian Lance Taylor  <iant@google.com>
3321
3322         PR gold/12392
3323         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
3324         symbols if necessary.
3325         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3326
3327 2011-07-05  Ian Lance Taylor  <iant@google.com>
3328
3329         PR gold/12952
3330         * resolve.cc (Symbol::override_base_with_special): Simply override
3331         version with special symbol version, ignoring previous version.
3332
3333 2011-07-05  Ian Lance Taylor  <iant@google.com>
3334
3335         * object.cc (Sized_relobj_file::include_section_group): Add
3336         information to comment about signature location.
3337
3338 2011-07-02  Ian Lance Taylor  <iant@google.com>
3339
3340         PR gold/12957
3341         * options.h (class General_options): Add -f and -F.
3342         * options.cc (General_options::finalize): Fatal error if -f/-F
3343         are used without -shared.
3344         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
3345
3346 2011-07-02  Ian Lance Taylor  <iant@google.com>
3347
3348         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
3349
3350 2011-07-01  Ian Lance Taylor  <iant@google.com>
3351
3352         PR gold/12525
3353         PR gold/12952
3354         * resolve.cc (Symbol::override_base_with_special): Don't override
3355         the version if the overriding symbol has a different name.
3356         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
3357         all callers.  If we give an error about an undefined version,
3358         define the base version if necessary.
3359         * dynobj.h (class Versions): Update declaration.
3360         * testsuite/weak_alias_test_5.cc: New file.
3361         * testsuite/weak_alias_test.script: New file.
3362         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
3363         and versioned_alias have the right value, and call t2.
3364         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
3365         weak_alias_test_5.so.
3366         (weak_alias_test_LDADD): Likewise.
3367         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
3368         * testsuite/Makefile.in: Rebuild.
3369
3370 2011-07-01  Ian Lance Taylor  <iant@google.com>
3371
3372         PR gold/12525
3373         * options.h (class General_options): Support -z notext.
3374         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
3375         -Wl,-z,notext.
3376         (two_file_shared_nonpic.so): Likewise.
3377         (two_file_shared_mixed.so): Likewise.
3378         (two_file_shared_mixed_1.so): Likewise.
3379         (weak_undef_lib_nonpic.so): Likewise.
3380         (alt/weak_undef_lib_nonpic.so): Likewise.
3381         (tls_test_shared_nonpic.so): Likewise.
3382         * testsuite/Makefile.in: Rebuild.
3383
3384 2011-07-01  Ian Lance Taylor  <iant@google.com>
3385
3386         PR gold/12525
3387         * configure.ac: Test whether static linking works, setting
3388         the automake conditional HAVE_STATIC.
3389         * testsuite/Makefile.am: Disable tests using -static if
3390         HAVE_STATIC is not true.
3391         * configure, testsuite/Makefile.in: Rebuild.
3392
3393 2011-07-01  Ian Lance Taylor  <iant@google.com>
3394
3395         PR gold/12525
3396         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
3397         Assert if we see DW_EH_PE_indirect.
3398         * target.h (Target::ehframe_datarel_base): New function.
3399         (Target::do_ehframe_datarel_base): New target function.
3400         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
3401         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
3402         function.
3403
3404 2011-07-01  Ian Lance Taylor  <iant@google.com>
3405
3406         PR gold/12571
3407         * options.h (class General_options): Add
3408         --ld-generated-unwind-info.
3409         * ehframe.cc (Fde::write): Add address parameter.  Change all
3410         callers.  If associated with PLT, fill in address and size.
3411         (Cie::set_output_offset): Only add merge mapping if there is an
3412         object.
3413         (Cie::write): Add address parameter.  Change all callers.
3414         (Eh_frame::add_ehframe_for_plt): New function.
3415         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
3416         input_offset_ fields into union u_, with new plt field.
3417         (Fde::Fde): Adjust for new union field.
3418         (Fde::Fde) [Output_data version]: New constructor.
3419         (Fde::add_mapping): Only add merge mapping if there is an object.
3420         (class Cie): Update declarations.
3421         (class Eh_frame): Declare add_ehframe_for_plt.
3422         * layout.cc (Layout::layout_eh_frame): Break out code into
3423         make_eh_frame_section, and call it.
3424         (Layout::make_eh_frame_section): New function.
3425         (Layout::add_eh_frame_for_plt): New function.
3426         * layout.h (class Layout): Update declarations.
3427         * merge.cc (Merge_map::add_mapping): Add assertion.
3428         * i386.cc: Include "dwarf.h".
3429         (class Output_data_plt_i386): Make first_plt_entry,
3430         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
3431         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
3432         and plt_eh_frame_fde.
3433         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
3434         boundary.  Call add_eh_frame_for_plt if appropriate.
3435         * x86_64.cc: Include "dwarf.h".
3436         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
3437         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
3438         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
3439         and plt_eh_frame_fde.
3440         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
3441         appropriate.
3442
3443 2011-06-29  Ian Lance Taylor  <iant@google.com>
3444
3445         PR gold/12629
3446         * object.cc (Sized_relobj_file::layout_section): Change shdr
3447         parameter to be const.
3448         (Sized_relobj_file::layout_eh_frame_section): New function, broken
3449         out of do_layout.
3450         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
3451         appropriate.  Call layout_eh_frame_section.
3452         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
3453         sections.
3454         * object.h (class Sized_relobj_file): Update declarations.
3455
3456 2011-06-29  Ian Lance Taylor  <iant@google.com>
3457
3458         PR gold/12652
3459         * script.cc (Token::integer_value): Accept trailing M/m/K/k
3460         modifier.
3461         (Lex::gather_token): Accept trailing M/m/K/k for integers.
3462
3463 2011-06-29  Ian Lance Taylor  <iant@google.com>
3464
3465         PR gold/12675
3466         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
3467         SHT_X86_64_UNWIND.
3468         * layout.cc (Layout::layout_eh_frame): Likewise.
3469
3470 2011-06-29  Ian Lance Taylor  <iant@google.com>
3471
3472         PR gold/12695
3473         * layout.cc (Layout::symtab_section_shndx): New function.
3474         * layout.h (class Layout): Declare symtab_section_shndx.
3475         * output.cc (Output_section::write_header): Call it.
3476
3477 2011-06-29  Ian Lance Taylor  <iant@google.com>
3478
3479         PR gold/12818
3480         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
3481         symbols which are not used in a relocation.
3482
3483 2011-06-28  Ian Lance Taylor  <iant@google.com>
3484
3485         PR gold/12898
3486         * layout.cc (Layout::segment_precedes): Don't crash if a linker
3487         script create indistinguishable segments.
3488         (Layout::set_segment_offsets): Use stable_sort when sorting
3489         segments.  Pass this to Compare_segments constructor.
3490         * layout.h (class Layout): Make segment_precedes non-static.
3491         (class Compare_segments): Change from struct to class.  Add
3492         layout_ field.  Add constructor.
3493         * script-sections.cc
3494         (Script_sections::attach_sections_using_phdrs_clause): Rename
3495         local orphan to is_orphan.  Don't report failure to put empty
3496         section in segment.  On attachment failure, report name of
3497         section, and attach to first PT_LOAD segment.
3498
3499 2011-06-28  Ian Lance Taylor  <iant@google.com>
3500
3501         PR gold/12934
3502         * target-select.cc (Target_selector::Target_selector): Add
3503         emulation parameter.  Change all callers.
3504         (select_target_by_bfd_name): Rename from select_target_by_name.
3505         Change all callers.
3506         (select_target_by_emulation): New function.
3507         (supported_emulation_names): New function.
3508         * target-select.h (class Target_selector): Add emulation_ field.
3509         Update declarations.
3510         (Target_selector::recognize_by_bfd_name): Rename from
3511         recognize_by_name.  Change all callers.
3512         (Target_selector::supported_bfd_names): Rename from
3513         supported_names.  Change all callers.
3514         (Target_selector::recognize_by_emulation): New function.
3515         (Target_selector::supported_emulations): New function.
3516         (Target_selector::emulation): New function.
3517         (Target_selector::do_recognize_by_bfd_name): Rename from
3518         do_recognize_by_name.  Change all callers.
3519         (Target_selector::do_supported_bfd_names): Rename from
3520         do_supported_names.  Change all callers.
3521         (Target_selector::do_recognize_by_emulation): New function.
3522         (Target_selector::do_supported_emulations): New function.
3523         (select_target_by_bfd_name): Change name in declaration.
3524         (select_target_by_emulation): Declare.
3525         (supported_emulation_names): Declare.
3526         * parameters.cc (parameters_force_valid_target): Try to find
3527         target based on emulation from -m option.
3528         * options.h (class General_options): Change doc string for -m.
3529         * options.cc (help): Print emulations.
3530         (General_options::parse_V): Likewise.
3531         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
3532         Add emulation parameter.  Change all callers.
3533
3534 2011-06-28  Ian Lance Taylor  <iant@google.com>
3535
3536         * target.h (class Target): Add osabi_ field.
3537         (Target::osabi): New function.
3538         (Target::set_osabi): New function.
3539         (Target::Target): Initialize osabi_.
3540         (Target::do_adjust_elf_header): Make pure virtual.
3541         (Sized_target::do_adjust_elf_header): Declare.
3542         * target.cc (Sized_target::do_adjust_elf_header): New function.
3543         (class Sized_target): Instantiate all versions.
3544         * freebsd.h (class Target_freebsd): Remove.
3545         (Target_selector_freebsd::do_recognize): Call set_osabi on
3546         Target.
3547         (Target_selector_freebsd::do_recognize_by_name): Likewise.
3548         (Target_selector_freebsd::set_osabi): Remove.
3549         * i386.cc (class Target_i386): Inherit from Sized_target rather
3550         than Target_freebsd.
3551         * x86_64.cc (class Target_x86_64): Likewise.
3552
3553 2011-06-28  Ian Lance Taylor  <iant@google.com>
3554
3555         * target.h (Target::can_check_for_function_pointers): Rewrite.
3556         Make non-virtual.
3557         (Target::can_icf_inline_merge_sections): Likewise.
3558         (Target::section_may_have_icf_unsafe_poineters): Likewise.
3559         (Target::Target_info): Add can_icf_inline_merge_sections field.
3560         (Target::do_can_check_for_function_pointers): New virtual
3561         function.
3562         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
3563         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
3564         from can_check_for_function_pointers, move in file.
3565         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
3566         section_may_have_icf_unsafe_poineters, move in file.
3567         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
3568         * i386.cc (Target_i386::do_can_check_for_function_pointers):
3569         Rename from can_check_for_function_pointers, move in file.
3570         (Target_i386::can_icf_inline_merge_sections): Remove.
3571         (Target_i386::i386_info): Initialize
3572         can_icf_inline_merge_sections.
3573         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3574         Initialize can_icf_inline_merge_sections.
3575         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
3576         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
3577         Rename from can_check_for_function_pointers, move in file.
3578         (Target_x86_64::can_icf_inline_merge_sections): Remove.
3579         (Target_x86_64::x86_64_info): Initialize
3580         can_icf_inline_merge_sections.
3581         * testsuite/testfile.cc (Target_test::test_target_info):
3582         Likewise.
3583         * icf.cc (get_section_contents): Correct formatting.
3584
3585 2011-06-27  Ian Lance Taylor  <iant@google.com>
3586
3587         * symtab.cc (Symbol::versioned_name): New function.
3588         (Symbol_table::add_to_final_symtab): Use versioned_name when
3589         appropriate.
3590         (Symbol_table::sized_write_symbol): Likewise.
3591         * symtab.h (class Symbol): Declare versioned_name.
3592         * stringpool.h (class Stringpool_template): Add variant of add
3593         which takes a std::basic_string.
3594         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
3595         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
3596         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
3597         (ver_test_12.o): New target.
3598         * testsuite/Makefile.in: Rebuild.
3599
3600 2011-06-27  Doug Kwan  <dougkwan@google.com>
3601
3602         * arm.cc (Arm_relocate_functions::thm_jump8,
3603         Arm_relocate_functions::thm_jump11): Use a wider signed
3604         type to compute offset.
3605         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
3606         arm_thm_jump8.
3607         * testsuite/Makefile.in: Regenerate.
3608         * testsuite/arm_branch_in_range.sh: Check test results of
3609         arm_thm_jump11 and arm_thm_jump8.
3610         * testsuite/arm_thm_jump11.s: New test source file.
3611         * testsuite/arm_thm_jump11.t: New linker script.
3612         * testsuite/arm_thm_jump8.s: New test source file.
3613         * testsuite/arm_thm_jump8.t: New linker script.
3614
3615 2011-06-24  Ian Lance Taylor  <iant@google.com>
3616
3617         * layout.cc: Include "object.h".
3618         (ctors_sections_in_init_array): New static variable.
3619         (Layout::is_ctors_in_init_array): New function.
3620         (Layout::layout): Add entry to ctors_sections_in_init_array if
3621         appropriate.
3622         * layout.h (class Layout): Declare is_ctors_in_init_array.
3623         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
3624         is_ctors_reverse_view is set.
3625         (Sized_relobj_file::write_sections): Add layout parameter.  Change
3626         all callers.  Set is_ctors_reverse_view field of View_size.
3627         (Sized_relobj_file::reverse_words): New function.
3628         * object.h (Sized_relobj_file::View_size): Add
3629         is_ctors_reverse_view field.
3630         (class Sized_relobj_file): Update declarations.
3631         * testsuite/initpri3.c: New test.
3632         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
3633         initpri3b.
3634         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
3635         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
3636         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
3637         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
3638         * testsuite/Makefile.in: Rebuild.
3639
3640 2011-06-24  Cary Coutant  <ccoutant@google.com>
3641
3642         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
3643         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
3644         (debug_msg_cdebug.err): New targets.
3645         * testsuite/Makefile.in: Regenerate.
3646         * testsuite/debug_msg.sh: Check output of link with compressed debug.
3647         Fix checks for link with shared library.
3648
3649 2011-06-24  Doug Kwan  <dougkwan@google.com>
3650
3651         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
3652         skip empty text sections.
3653         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
3654
3655 2011-06-22  Ian Lance Taylor  <iant@google.com>
3656
3657         PR gold/12910
3658         * options.h (class General_options): Add --ctors-in-init-array.
3659         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
3660         friends as SHT_PROGBITS for merging sections.
3661         (Layout::layout): Remove special handling of .init_array and
3662         friends.  Don't sort if doing relocatable link.  Sort for .ctors
3663         and .dtors if ctors_in_init_array.
3664         (Layout::make_output_section): Force correct section types for
3665         .init_array and friends.  Don't sort if doing relocatable link,
3666         Don't sort .ctors and .dtors if ctors_in_init_array.
3667         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
3668         (Layout::output_section_name): Add relobj parameter.  Change all
3669         callers.  Handle .ctors. and .dtors. in code rather than table.
3670         Handle .ctors and .dtors if ctors_in_init_array.
3671         (Layout::match_file_name): New function, moved from output.cc.
3672         * layout.h (class Layout): Update declarations.
3673         * output.cc: Include "layout.h".
3674         (Input_section_sort_entry::get_priority): New function.
3675         (Input_section_sort_entry::match_file_name): Just call
3676         Layout::match_file_name.
3677         (Output_section::Input_section_sort_init_fini_compare::operator()):
3678         Handle .ctors and .dtors.  Sort by explicit priority rather than
3679         by name.
3680         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
3681         * testsuite/initpri2.c: New test.
3682         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
3683         (check_PROGRAMS): Add initpri2.
3684         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
3685         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
3686         * configure, testsuite/Makefile.in: Rebuild.
3687
3688 2011-06-19  Ian Lance Taylor  <iant@google.com>
3689
3690         PR gold/12880
3691         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
3692         .interp section to a PT_INTERP segment even if we have seen a
3693         --dynamic-linker option.  Don't do it if we have seen a PHDRS
3694         clause in a linker script.
3695         (Layout::finalize): Don't create a .interp section if we've
3696         already create a PT_INTERP segment.
3697         (Layout::create_interp): Always call choose_output_section (revert
3698         patch of 2011-06-17).  Don't create PT_INTERP segment.
3699         * script-sections.cc
3700         (Script_sections::create_note_and_tls_segments): Add a .interp
3701         section to a PT_INTERP segment even if we have seen a
3702         --dynamic-linker option.
3703
3704 2011-06-18  Ian Lance Taylor  <iant@google.com>
3705
3706         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
3707         merely because a non-PT_LOAD segment has a dynamic reloc.
3708
3709 2011-06-18  Ian Lance Taylor  <iant@google.com>
3710
3711         * layout.cc (Layout::finish_dynamic_section): Don't create
3712         DT_FLAGS entry if not needed.
3713
3714 2011-06-18  Ian Lance Taylor  <iant@google.com>
3715
3716         PR gold/12745
3717         * layout.cc (Layout::layout_eh_frame): Correct handling of
3718         writable .eh_frame section.
3719
3720 2011-06-17  Ian Lance Taylor  <iant@google.com>
3721
3722         PR gold/12893
3723         * resolve.cc (Symbol_table::resolve): Don't give an error if a
3724         symbol is redefined with the exact same object and value.
3725
3726 2011-06-17  Ian Lance Taylor  <iant@google.com>
3727
3728         PR gold/12880
3729         * layout.h (class Layout): Add interp_segment_ field.
3730         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
3731         (Layout::attach_allocated_section_to_segment): If making shared
3732         library, put .interp section in PT_INTERP segment.
3733         (Layout::finalize): Also call create_interp if -dynamic-linker
3734         option was used.
3735         (Layout::create_interp): Assert that there is no PT_INTERP
3736         segment.  If not using a SECTIONS clause, use make_output_section.
3737         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
3738         * script-sections.cc
3739         (Script_sections::create_note_and_tls_segments): If making shared
3740         library, put .interp section in PT_INTERP segment.
3741
3742 2011-06-17  Ian Lance Taylor  <iant@google.com>
3743
3744         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
3745         when making a shared library.
3746
3747 2011-06-17  Ian Lance Taylor  <iant@google.com>
3748
3749         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
3750         parameter.  Change all callers.  Don't issue warning about PC32
3751         against locally defined symbol.
3752
3753 2011-06-16  Ian Lance Taylor  <iant@google.com>
3754
3755         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
3756         occurs in same object.
3757
3758 2011-06-14  Alan Modra  <amodra@gmail.com>
3759
3760         * po/POTFILES.in: Regenerate.
3761
3762 2011-06-09  Ian Lance Taylor  <iant@google.com>
3763
3764         * script-sections.cc
3765         (Orphan_output_section::set_section_addresses): For a relocatable
3766         link set address to 0.
3767
3768 2011-06-09  Cary Coutant  <ccoutant@google.com>
3769
3770         PR gold/12804
3771         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
3772         used with --compress-debug-sections.
3773         * gold/object.cc (Sized_relobj_file::do_layout): Report
3774         uncompressed size of compressed input sections.
3775
3776 2011-06-08  Cary Coutant  <ccoutant@google.com>
3777
3778         PR gold/12804
3779         * testsuite/two_file_test_2_v1.cc: Change initialization of
3780         v2 to keep it in .data.
3781
3782 2011-06-07  Cary Coutant  <ccoutant@google.com>
3783
3784         * common.cc (Symbol_table::do_allocate_commons_list): Call
3785         gold_fallback.
3786         * errors.cc (Errors::fatal): Adjust call to gold_exit.
3787         (Errors::fallback): New function.
3788         (gold_fallback): New function.
3789         * errors.h (Errors::fallback): New function.
3790         * gold.cc (gold_exit): Change status parameter to enum; adjust
3791         all callers.
3792         (queue_initial_tasks): Call gold_fallback.
3793         * gold.h: Include cstdlib.
3794         (Exit_status): New enum type.
3795         (gold_exit): Change status parameter to enum.
3796         (gold_fallback): New function.
3797         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3798         (Layout::create_symtab_sections): Likewise.
3799         (Layout::create_shdrs): Likewise.
3800         * main.cc (main): Adjust call to gold_exit.
3801         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3802         (Output_data_got::add_got_entry_pair): Likewise.
3803         (Output_section::add_input_section): Likewise.
3804         (Output_section::add_output_section_data): Likewise.
3805         (Output_segment::set_section_list_addresses): Likewise.
3806         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3807
3808 2011-06-07  Cary Coutant  <ccoutant@google.com>
3809
3810         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3811         for incremental links.
3812         * output.cc (Output_segment::set_section_list_addresses): Remove
3813         FIXME and test for TLS or BSS.
3814
3815 2011-06-07  Cary Coutant  <ccoutant@google.com>
3816
3817         * testsuite/Makefile.am: Add incremental_copy_test,
3818         incremental_common_test_1.
3819         * testsuite/Makefile.in: Regenerate.
3820         * testsuite/common_test_1_v1.c: New source file.
3821         * testsuite/common_test_1_v2.c: New source file.
3822         * testsuite/copy_test_v1.cc: New source file.
3823
3824 2011-06-07  Cary Coutant  <ccoutant@google.com>
3825
3826         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3827         update, allocate common from bss section's free list.
3828         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3829         linker-defined symbols.
3830         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3831         Skip GOT and PLT entries that are no longer referenced.
3832         (Output_section_incremental_inputs::write_info_blocks): Mark
3833         linker-defined symbols.
3834         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3835         * output.cc (Output_section::allocate): New function.
3836         * output.h (Output_section::allocate): New function.
3837         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3838         linker-defined symbols.
3839         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3840         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3841         (Symbol::init_base_output_data): Likewise.
3842         (Symbol::init_base_output_segment): Likewise.
3843         (Symbol::init_base_constant): Likewise.
3844         (Sized_symbol::init_output_data): Likewise.
3845         (Sized_symbol::init_output_segment): Likewise.
3846         (Sized_symbol::init_constant): Likewise.
3847         (Symbol_table::do_define_in_output_data): Likewise.
3848         (Symbol_table::do_define_in_output_segment): Likewise.
3849         (Symbol_table::do_define_as_constant): Likewise.
3850         * symtab.h (Symbol::is_predefined): New function.
3851         (Symbol::init_base_output_data): Add is_predefined parameter.
3852         (Symbol::init_base_output_segment): Likewise.
3853         (Symbol::init_base_constant): Likewise.
3854         (Symbol::is_predefined_): New data member.
3855         (Sized_symbol::init_output_data): Add is_predefined parameter.
3856         (Sized_symbol::init_output_segment): Likewise.
3857         (Sized_symbol::init_constant): Likewise.
3858         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3859
3860 2011-06-07  Cary Coutant  <ccoutant@google.com>
3861
3862         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3863         instead of emit_copy_reloc.
3864         (Copy_relocs::emit_copy_reloc): Refactor.
3865         (Copy_relocs::make_copy_reloc): New function.
3866         (Copy_relocs::add_copy_reloc): Remove.
3867         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3868         section.
3869         (Copy_relocs::make_copy_reloc): New function.
3870         (Copy_relocs::add_copy_reloc): Remove.
3871         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3872         unchanged input files.
3873         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3874         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3875         Reserve BSS space for COPY relocations.
3876         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3877         (Output_section_incremental_inputs::write_info_blocks): Record
3878         whether a symbol is copied from a shared object.
3879         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3880         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3881         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3882         (Incremental_input_entry_reader::get_output_symbol_index): Add
3883         is_copy parameter.
3884         (Incremental_binary::emit_copy_relocs): New function.
3885         (Incremental_binary::do_emit_copy_relocs): New function.
3886         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3887         new data member.
3888         (Sized_incremental_binary::add_copy_reloc): New function.
3889         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3890         (Sized_incremental_binary::Copy_reloc): New struct.
3891         (Sized_incremental_binary::Copy_relocs): New typedef.
3892         (Sized_incremental_binary::copy_relocs_): New data member.
3893         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3894         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3895         * target.h (Sized_target::emit_copy_reloc): New function.
3896         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3897
3898 2011-06-02  Cary Coutant  <ccoutant@google.com>
3899
3900         PR gold/12163
3901         * gold/archive.cc (Archive::Archive): Initialize new data member.
3902         (Archive::include_all_members): Return if archive has already been
3903         included.
3904         * gold/archive.h (Archive::include_all_members_): New data member.
3905
3906 2011-06-02  Nick Clifton  <nickc@redhat.com>
3907
3908         * dynobj.h: Fix spelling mistake in comment.
3909         * output.cc: Likewise.
3910
3911 2011-05-31  Doug Kwan  <dougkwan@google.com>
3912             Asier Llano
3913
3914         PR gold/12826
3915         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3916         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3917         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3918         redundant arm_exidx_test.so.
3919         * testsuite/Makefile.in: Regenerate.
3920         (check_SCRIPTS): Add pr12826.sh
3921         (check_DATA): Add pr12826.stdout
3922         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3923         * testsuite/pr12826.sh: New file.
3924         * testsuite/pr12826_1.s: Ditto.
3925         * testsuite/pr12826_1.s: Ditto.
3926
3927 2011-05-30  Ian Lance Taylor  <iant@google.com>
3928
3929         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3930         sections.
3931
3932 2011-05-29  Ian Lance Taylor  <iant@google.com>
3933
3934         PR gold/12804
3935         * testsuite/Makefile.am: Use different file name for two_file_test
3936         temporary file for each incremental test.
3937         * testsuite/Makefile.in: Rebuild.
3938
3939 2011-05-29  Ian Lance Taylor  <iant@google.com>
3940
3941         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3942         binary input file is empty.
3943
3944 2011-05-27  Ian Lance Taylor  <iant@google.com>
3945
3946         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3947         (ver_test_9.so): Likewise.
3948         * testsuite/Makefile.in: Rebuild.
3949
3950 2011-05-26 Cary Coutant  <ccoutant@google.com>
3951
3952         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3953         * incremental.cc (Incremental_inputs::report_input_section): Fix
3954         comment, indentation.
3955         (Incremental_inputs::report_comdat_group): New function.
3956         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3957         of data for incremental input file entry.
3958         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3959         group count, COMDAT group signatures.
3960         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3961         an unchanged input file.
3962         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3963         Initialize new data member.
3964         (Incremental_object_entry::add_comdat_group): New function.
3965         (Incremental_object_entry::get_comdat_group_count): New function.
3966         (Incremental_object_entry::get_comdat_signature_key): New function.
3967         (Incremental_object_entry::groups_): New data member.
3968         (Incremental_inputs::report_comdat_group): New function.
3969         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3970         data for incremental input file entry.
3971         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3972         (Incremental_input_entry_reader::get_input_section): Adjust size of
3973         data for incremental input file entry.
3974         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3975         (Incremental_input_entry_reader::get_comdat_group_signature): New
3976         function.
3977         * object.cc (Sized_relobj::include_section_group): Report kept
3978         COMDAT groups for incremental links.
3979
3980 2011-05-24  David Meyer  <pdox@google.com>
3981
3982         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3983         with name parameter.  Add found_name parameter.
3984         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3985         * dirsearch.h (class Dirsearch): Update declaration.
3986
3987 2011-05-24  Ian Lance Taylor  <iant@google.com>
3988
3989         * archive.cc (Library_base::should_include_member): Pull in object
3990         from archive if it defines the entry symbol.
3991         * parameters.cc (Parameters::entry): New function.
3992         * parameters.h (class Parameters): Declare entry.
3993         * output.h (class Output_file_header): Remove entry_ field.
3994         * output.cc (Output_file_header::Output_file_header): Remove entry
3995         parameter.  Change all callers.
3996         (Output_file_header::entry): Use parameters->entry.
3997         * gold.cc (queue_middle_tasks): Likewise.
3998         * plugin.cc (Plugin_hook::run): Likewise.
3999
4000 2011-05-24 Cary Coutant  <ccoutant@google.com>
4001
4002         * gold.cc (queue_initial_tasks): Pass incremental base filename
4003         to Output_file::open_base_file; don't print error message.
4004         * incremental-dump.cc (main): Adjust call to
4005         Output_file::open_for_modification.
4006         * incremental-dump.cc (main): Likewise.
4007         * incremental.cc (Incremental_inputs::report_command_line):
4008         Ignore --incremental-base option when comparing command lines.
4009         Ignore parameter when given as separate argument.
4010         * options.h (class General_options): Add --incremental-base.
4011         * output.cc (Output_file::Output_file):
4012         (Output_file::open_base_file): Add base_name and writable parameters;
4013         read base file into new file; print error message here.
4014         (Output_file::map_no_anonymous): Add writable parameter; adjust all
4015         callers.
4016         * output.h (Output_file::open_for_modification): Rename to...
4017         (Output_file::open_base_file): ...this; add base_name and
4018         writable parameters; adjust all callers.
4019         (Output_file::map_no_anonymous): Add writable parameter; adjust all
4020         callers.
4021         * testsuite/Makefile.am (incremental_test_4): Test
4022         --incremental-base.
4023         * testsuite/Makefile.in: Regenerate.
4024
4025 2011-05-24 Cary Coutant  <ccoutant@google.com>
4026
4027         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
4028         incremental_test_4.
4029         * testsuite/Makefile.in: Regenerate.
4030         * testsuite/two_file_test_1_v1.cc: New test source file.
4031         * testsuite/two_file_test_1b_v1.cc: New test source file.
4032         * testsuite/two_file_test_2_v1.cc: New test source file.
4033
4034 2011-05-24 Cary Coutant  <ccoutant@google.com>
4035
4036         * dynobj.h (Dynobj::do_dynobj): New function.
4037         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
4038         flag and soname for shared objects.
4039         * incremental.cc (Incremental_inputs::report_object): Make
4040         either Incremental_object_entry or Incremental_dynobj_entry; add
4041         soname to string table.
4042         (Incremental_inputs::report_input_section): Add assertion.
4043         (Output_section_incremental_inputs::set_final_data_size): Adjust
4044         type of input file entry for shared libraries; adjust size of
4045         shared library info entry.
4046         (Output_section_incremental_inputs::write_input_files): Write
4047         as_needed flag for shared libraries.
4048         (Output_section_incremental_inputs::write_info_blocks): Adjust type
4049         of input file entry for shared libraries; write soname.
4050         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
4051         soname from incremental info.
4052         * incremental.h (enum Incremental_input_flags): Add
4053         INCREMENTAL_INPUT_AS_NEEDED.
4054         (Incremental_input_entry::Incremental_input_entry): Initialize new
4055         data member.
4056         (Incremental_input_entry::set_as_needed): New function.
4057         (Incremental_input_entry::as_needed): New function.
4058         (Incremental_input_entry::do_dynobj_entry): New function.
4059         (Incremental_input_entry::as_needed_): New data member.
4060         (Incremental_object_entry::Incremental_object_entry): Don't check
4061         for shared library.
4062         (Incremental_object_entry::do_type): Likewise.
4063         (class Incremental_dynobj_entry): New class.
4064         (Incremental_input_entry_reader::as_needed): New function.
4065         (Incremental_input_entry_reader::get_soname): New function.
4066         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
4067         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
4068         size of shared library info entry.
4069         * layout.cc (Layout::finish_dynamic_section): Don't test for
4070         incremental link when adding DT_NEEDED entries.
4071         * object.h (Object::Object): Initialize new data member.
4072         (Object::dynobj): New function.
4073         (Object::set_as_needed): New function.
4074         (Object::as_needed): New function.
4075         (Object::do_dynobj): New function.
4076         (Object::as_needed_): New data member.
4077
4078 2011-05-24 Cary Coutant  <ccoutant@google.com>
4079
4080         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
4081         info; adjust display of GOT entries.
4082         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
4083         vector of input objects; remove file_status_.
4084         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
4085         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
4086         got_plt reader; call target hooks to reserve GOT entries.
4087         (Output_section_incremental_inputs::set_final_data_size): Adjust size
4088         of input file info header and GOT info entry.
4089         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
4090         relocation info.
4091         (Got_plt_view_info::got_descriptor): Remove.
4092         (Got_plt_view_info::sym_index): New data member.
4093         (Got_plt_view_info::input_index): New data member.
4094         (Local_got_offset_visitor::visit): Write input file index.
4095         (Global_got_offset_visitor::visit): Write 0 for input file index.
4096         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
4097         with sym_index and input_index.
4098         (Output_section_incremental_inputs::write_got_plt): Adjust size of
4099         incremental info GOT entry; replace got_descriptor with input_index.
4100         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
4101         map from input file index to object.
4102         (Sized_relobj_incr::do_layout): Replace direct data member reference
4103         with accessor function.
4104         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
4105         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
4106         Adjust size of input file info header.
4107         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
4108         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
4109         (Incremental_input_entry_reader::get_input_section): Adjust size of
4110         input file info header.
4111         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
4112         of incremental info GOT entry.
4113         (Incremental_got_plt_reader::get_got_desc): Remove.
4114         (Incremental_got_plt_reader::get_got_symndx): New function.
4115         (Incremental_got_plt_reader::get_got_input_index): New function.
4116         (Sized_incremental_binary::Sized_incremental_binary): Remove
4117         file_status_; add input_objects_.
4118         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
4119         (Sized_incremental_binary::set_file_is_unchanged): Remove.
4120         (Sized_incremental_binary::file_is_unchanged): Remove.
4121         (Sized_incremental_binary::set_input_object): New function.
4122         (Sized_incremental_binary::input_object): New function.
4123         (Sized_incremental_binary::file_status_): Remove.
4124         (Sized_incremental_binary::input_objects_): New data member.
4125         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
4126         references.
4127         (Sized_relobj_incr::invalid_address): Move to base class.
4128         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
4129         class.
4130         (Sized_relobj_incr::do_output_section_offset): Likewise.
4131         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
4132         (Sized_relobj_incr::section_offsets_): Likewise.
4133         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
4134         function.
4135         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
4136         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
4137         with accessor function.
4138         (Sized_relobj_file::do_layout): Likewise.
4139         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
4140         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
4141         (Sized_relobj_file::compute_final_local_value): Replace refs to
4142         section_offsets_ with accessor function.
4143         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
4144         * object.h (Relobj::Relobj): Initialize new data members.
4145         (Relobj::add_dyn_reloc): New function.
4146         (Relobj::first_dyn_reloc): New function.
4147         (Relobj::dyn_reloc_count): New function.
4148         (Relobj::first_dyn_reloc_): New data member.
4149         (Relobj::dyn_reloc_count_): New data member.
4150         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
4151         references.
4152         (Sized_relobj::Address): New typedef.
4153         (Sized_relobj::invalid_address): Move here from child class.
4154         (Sized_relobj::Sized_relobj): Initialize new data members.
4155         (Sized_relobj::sized_relobj): New function.
4156         (Sized_relobj::is_output_section_offset_invalid): Move here from
4157         child class.
4158         (Sized_relobj::get_output_section_offset): Likewise.
4159         (Sized_relobj::local_has_got_offset): Likewise.
4160         (Sized_relobj::local_got_offset): Likewise.
4161         (Sized_relobj::set_local_got_offset): Likewise.
4162         (Sized_relobj::do_for_all_local_got_entries): Likewise.
4163         (Sized_relobj::clear_got_offsets): New function.
4164         (Sized_relobj::section_offsets): Move here from child class.
4165         (Sized_relobj::do_output_section_offset): Likewise.
4166         (Sized_relobj::do_set_section_offset): Likewise.
4167         (Sized_relobj::Local_got_offsets): Likewise.
4168         (Sized_relobj::local_got_offsets_): Likewise.
4169         (Sized_relobj::section_offsets_): Likewise.
4170         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
4171         references.
4172         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
4173         class.
4174         (Sized_relobj_file::sized_relobj): New function
4175         (Sized_relobj_file::local_has_got_offset): Move to base class.
4176         (Sized_relobj_file::local_got_offset): Likewise.
4177         (Sized_relobj_file::set_local_got_offset): Likewise.
4178         (Sized_relobj_file::get_output_section_offset): Likewise.
4179         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
4180         (Sized_relobj_file::do_output_section_offset): Likewise.
4181         (Sized_relobj_file::do_set_section_offset): Likewise.
4182         (Sized_relobj_file::Local_got_offsets): Likewise.
4183         (Sized_relobj_file::local_got_offsets_): Likewise.
4184         (Sized_relobj_file::section_offsets_): Likewise.
4185         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
4186         (all constructors).
4187         (set_needs_dynsym_index): Convert relobj to derived class pointer.
4188         (Output_reloc::get_symbol_index): Likewise.
4189         (Output_reloc::local_section_offset): Likewise.
4190         (Output_reloc::get_address): Likewise.
4191         (Output_reloc::symbol_value): Likewise.
4192         (Output_data_got::reserve_slot): Move to class definition.
4193         (Output_data_got::reserve_local): New function.
4194         (Output_data_got::reserve_slot_for_global): Remove.
4195         (Output_data_got::reserve_global): New function.
4196         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
4197         (all constructors, two instantiations).
4198         (Output_reloc::get_relobj): New function (two instantiations).
4199         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
4200         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
4201         (Output_data_reloc::add_global): Adjust type of relobj.
4202         (Output_data_reloc::add_global_relative): Likewise.
4203         (Output_data_reloc::add_symbolless_global_addend): Likewise.
4204         (Output_data_reloc::add_local): Likewise.
4205         (Output_data_reloc::add_local_relative): Likewise.
4206         (Output_data_reloc::add_symbolless_local_addend): Likewise.
4207         (Output_data_reloc::add_local_section): Likewise.
4208         (Output_data_reloc::add_output_section): Likewise.
4209         (Output_data_reloc::add_absolute): Likewise.
4210         (Output_data_reloc::add_target_specific): Likewise.
4211         (Output_data_got::reserve_slot): Move definition here.
4212         (Output_data_got::reserve_local): New function.
4213         (Output_data_got::reserve_global): New function.
4214         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
4215         section_offsets_ with accessor function.
4216         (Sized_relobj_file::write_sections): Likewise.
4217         (Sized_relobj_file::do_relocate_sections): Likewise.
4218         * target.h (Sized_target::reserve_local_got_entry): New function.
4219         (Sized_target::reserve_global_got_entry): New function.
4220         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
4221         (Target_x86_64::reserve_global_got_entry): New function.
4222         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
4223
4224 2011-05-23 Cary Coutant  <ccoutant@google.com>
4225
4226         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
4227         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
4228         bit when checking got_type.
4229         * incremental.cc (Sized_incremental_binary::setup_readers):
4230         Store symbol table and string table locations; initialize bit vector
4231         of file status flags.
4232         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
4233         unchanged files.
4234         (Sized_incremental_binary::do_process_got_plt): New function.
4235         (Sized_incremental_binary::get_symtab_view): Use stored locations.
4236         (Output_section_incremental_inputs::set_final_data_size): Record
4237         file index for each input file.
4238         (Output_section_incremental_inputs::write_got_plt): Store file index
4239         instead of input entry offset for each GOT entry.
4240         * incremental.h
4241         (Incremental_input_entry::Incremental_input_entry): Initialize new
4242         data member.
4243         (Incremental_input_entry::set_offset): Store file index.
4244         (Incremental_input_entry::get_file_index): New function.
4245         (Incremental_input_entry::file_index_): New data member.
4246         (Incremental_binary::process_got_plt): New function.
4247         (Incremental_binary::do_process_got_plt): New function.
4248         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
4249         data members.
4250         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
4251         (Sized_incremental_binary::set_file_is_unchanged): New function.
4252         (Sized_incremental_binary::file_is_unchanged): New function.
4253         (Sized_incremental_binary::do_process_got_plt): New function.
4254         (Sized_incremental_binary::file_status_): New data member.
4255         (Sized_incremental_binary::main_symtab_loc_): New data member.
4256         (Sized_incremental_binary::main_strtab_loc_): New data member.
4257         * output.cc (Output_data_got::Got_entry::write): Add case
4258         RESERVED_CODE.
4259         (Output_data_got::add_global): Call add_got_entry.
4260         (Output_data_got::add_global_plt): Likewise.
4261         (Output_data_got::add_global_with_rel): Likewise.
4262         (Output_data_got::add_global_with_rela): Likewise.
4263         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
4264         (Output_data_got::add_global_pair_with_rela): Likewise.
4265         (Output_data_got::add_local): Call add_got_entry.
4266         (Output_data_got::add_local_plt): Likewise.
4267         (Output_data_got::add_local_with_rel): Likewise.
4268         (Output_data_got::add_local_with_rela): Likewise.
4269         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
4270         (Output_data_got::add_local_pair_with_rela): Likewise.
4271         (Output_data_got::reserve_slot): New function.
4272         (Output_data_got::reserve_slot_for_global): New function.
4273         (Output_data_got::add_got_entry): New function.
4274         (Output_data_got::add_got_entry_pair): New function.
4275         (Output_section::add_output_section_data): Edit FIXME.
4276         * output.h
4277         (Output_section_data_build::Output_section_data_build): New
4278         constructor with size parameter.
4279         (Output_data_space::Output_data_space): Likewise.
4280         (Output_data_got::Output_data_got): Initialize new data member; new
4281         constructor with size parameter.
4282         (Output_data_got::add_constant): Call add_got_entry.
4283         (Output_data_got::reserve_slot): New function.
4284         (Output_data_got::reserve_slot_for_global): New function.
4285         (class Output_data_got::Got_entry): Add RESERVED_CODE.
4286         (Output_data_got::add_got_entry): New function.
4287         (Output_data_got::add_got_entry_pair): New function.
4288         (Output_data_got::free_list_): New data member.
4289         * target.h (Sized_target::init_got_plt_for_update): New function.
4290         (Sized_target::register_global_plt_entry): New function.
4291         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
4292         Initialize new data member; call init; add constructor with PLT count.
4293         (Output_data_plt_x86_64::init): New function.
4294         (Output_data_plt_x86_64::add_relocation): New function.
4295         (Output_data_plt_x86_64::reserve_slot): New function.
4296         (Output_data_plt_x86_64::free_list_): New data member.
4297         (Target_x86_64::init_got_plt_for_update): New function.
4298         (Target_x86_64::register_global_plt_entry): New function.
4299         (Output_data_plt_x86_64::add_entry): Allocate from free list for
4300         incremental updates.
4301         (Output_data_plt_x86_64::add_relocation): New function.
4302         * testsuite/object_unittest.cc (Object_test): Set default options.
4303
4304 2011-05-16  Ian Lance Taylor  <iant@google.com>
4305
4306         * options.h (class General_options): Make -i a synonym for -r.
4307
4308 2011-05-16  Ian Lance Taylor  <iant@google.com>
4309
4310         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
4311
4312 2011-05-10 Cary Coutant  <ccoutant@google.com>
4313
4314         * object.cc (Sized_relobj::do_count_local_symbols): Check for
4315         strip_all (-s).
4316
4317 2011-05-06  Ian Lance Taylor  <iant@google.com>
4318
4319         * layout.cc (Layout::layout): If the output section flags change,
4320         update the ordering.
4321
4322 2011-04-25 Cary Coutant  <ccoutant@google.com>
4323
4324         * incremental-dump.cc (dump_incremental_inputs): Print local
4325         symbol info for each input file.
4326         * incremental.cc
4327         (Output_section_incremental_inputs::set_final_data_size): Add local
4328         symbol info to input file entries in incremental info.
4329         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4330         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
4331         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
4332         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
4333         implementation.
4334         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
4335         (Sized_incr_relobj::do_relocate): Write the local symbols.
4336         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
4337         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
4338         Adjust size of input file header.
4339         (Incremental_inputs_reader::get_local_symbol_offset): New function.
4340         (Incremental_inputs_reader::get_local_symbol_count): New function.
4341         (Incremental_inputs_reader::get_input_section): Adjust size of input
4342         file header.
4343         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
4344         (Sized_incr_relobj::This): New typedef.
4345         (Sized_incr_relobj::sym_size): New const data member.
4346         (Sized_incr_relobj::Local_symbol): New struct.
4347         (Sized_incr_relobj::do_output_local_symbol_count): New function.
4348         (Sized_incr_relobj::do_local_symbol_offset): New function.
4349         (Sized_incr_relobj::local_symbol_count_): New data member.
4350         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
4351         (Sized_incr_relobj::local_symbol_index_): New data member.
4352         (Sized_incr_relobj::local_symbol_offset_): New data member.
4353         (Sized_incr_relobj::local_dynsym_offset_): New data member.
4354         (Sized_incr_relobj::local_symbols_): New data member.
4355         * object.h (Relobj::output_local_symbol_count): New function.
4356         (Relobj::local_symbol_offset): New function.
4357         (Relobj::do_output_local_symbol_count): New function.
4358         (Relobj::do_local_symbol_offset): New function.
4359         (Sized_relobj::do_output_local_symbol_count): New function.
4360         (Sized_relobj::do_local_symbol_offset): New function.
4361
4362 2011-04-22  Vladimir Simonov  <sv@sw.ru>
4363
4364         * descriptors.cc (set_close_on_exec): New function.
4365         (Descriptors::open): Use set_close_on_exec.
4366         * output.cc (S_ISLNK): Define if not defined.
4367
4368 2011-04-22 Cary Coutant  <ccoutant@google.com>
4369
4370         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
4371         global symbol map.
4372         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
4373         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
4374         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
4375         relocations.
4376         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
4377         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
4378         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
4379         * incremental.h
4380         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
4381         function.
4382         (Incremental_binary::apply_incremental_relocs): New function.
4383         (Incremental_binary::do_apply_incremental_relocs): New function.
4384         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
4385         data member.
4386         (Sized_incremental_binary::add_global_symbol): New function.
4387         (Sized_incremental_binary::global_symbol): New function.
4388         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
4389         (Sized_incremental_binary::symbol_map_): New data member.
4390         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
4391         * target.h (Sized_target::apply_relocation): New function.
4392         * target-reloc.h (apply_relocation): New function.
4393         * x86_64.cc (Target_x86_64::apply_relocation): New function.
4394
4395 2011-04-22  Doug Kwan  <dougkwan@google.com>
4396
4397         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
4398         flag of a SHT_ARM_EXIDX section.
4399         * testsuite/Makefile.am (arm_exidx_test): New test rules.
4400         * testsuite/Makefile.in: Regenerate.
4401         * testsuite/arm_exidx_test.s: New file.
4402         * testsuite/arm_exidx_test.sh: Same.
4403
4404 2011-04-20 Cary Coutant  <ccoutant@google.com>
4405
4406         PR gold/12689
4407         * archive.h (Incremental_archive_entry::Archive_member):
4408         Initialize arg_serial_ (second constructor).
4409
4410 2011-04-17  Ian Lance Taylor  <iant@google.com>
4411
4412         * object.cc (Relocate_info::location): Simplify location string.
4413         * errors.cc (Errors::error_at_location): Don't print program
4414         name.
4415         (Errors::warning_at_location): Likewise.
4416         (Errors::undefined_symbol): Likewise.
4417         * testsuite/debug_msg.sh: Update accordingly.
4418
4419 2011-04-14 Cary Coutant  <ccoutant@google.com>
4420
4421         * gold/layout.cc (Layout::symtab_section_offset): New function.
4422         * gold/layout.h (Layout::symtab_section_offset): New function.
4423         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
4424
4425 2011-04-12  Ian Lance Taylor  <iant@google.com>
4426
4427         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
4428         with MREMAP_MAYMOVE.
4429         * output.h (class Output_file): Add map_is_allocated_ field.
4430         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
4431         not available, provide stubs.  If mremap is not available, #define
4432         it to gold_mremap.
4433         (MREMAP_MAYMOVE): Define if not defined.
4434         (Output_file::Output_file): Initialize map_is_allocated_.
4435         (Output_file::resize): Check map_is_allocated_.
4436         (Output_file::map_anonymous): If mmap fails, use malloc.
4437         (Output_file::unmap): Don't do anything for an anonymous map.
4438         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
4439         is not available, provide stubs.
4440         (File_read::View::~View): Use free rather than delete[].
4441         (File_read::make_view): Use malloc rather than new[].  If mmap
4442         fails, use malloc.
4443         (File_read::find_or_make_view): Use malloc rather than new[].
4444         * gold.h: Remove HAVE_REMAP code.
4445         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
4446         exists.  Rename mremap to gold_mremap.  If mmap is not available
4447         don't do anything.
4448         * configure, config.in: Rebuild.
4449
4450 2011-04-11  Ian Lance Taylor  <iant@google.com>
4451
4452         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
4453         initialize local variable v.
4454
4455 2011-04-11  Cary Coutant  <ccoutant@google.com>
4456
4457         * archive.cc (Archive::include_member): Adjust call to
4458         report_object.
4459         (Add_archive_symbols::run): Track argument serial numbers.
4460         (Lib_group::include_member): Likewise.
4461         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
4462         * archive.h (Incremental_archive_entry::Archive_member):
4463         Initialize arg_serial_.
4464         (Archive_member::arg_serial_): New data member.
4465         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
4466         (Sized_dynobj::do_add_symbols): Track symbols when doing an
4467         incremental link.
4468         (Sized_dynobj::do_for_all_local_got_entries): New function.
4469         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
4470         function.
4471         * fileread.cc (get_mtime): New function.
4472         * fileread.h (get_mtime): New function.
4473         * gold.cc (queue_initial_tasks): Check for incremental update.
4474         (process_incremental_input): New function.
4475         (queue_middle_tasks): Don't force valid target for incremental
4476         update.
4477         * incremental-dump.cc (find_input_containing_global): Adjust
4478         size of symbol info entry.
4479         (dump_incremental_inputs): Dump argument serial number and
4480         in_system_directory flag; bias shndx by 1; print symbol names
4481         when dumping per-file symbol lists; use new symbol info readers.
4482         * incremental.cc
4483         (Output_section_incremental_inputs:update_data_size): New function.
4484         (Sized_incremental_binary::setup_readers): Setup input readers
4485         for each input file; build maps for files added from libraries
4486         and scripts.
4487         (Sized_incremental_binary::check_input_args): New function.
4488         (Sized_incremental_binary::do_check_inputs): Build map of argument
4489         serial numbers to input arguments.
4490         (Sized_incremental_binary::do_file_has_changed): Rename
4491         do_file_is_unchanged to this; compare file modification times.
4492         (Sized_incremental_binary::do_init_layout): New function.
4493         (Sized_incremental_binary::do_reserve_layout): New function.
4494         (Sized_incremental_binary::do_get_input_reader): Remove.
4495         (Sized_incremental_binary::get_symtab_view): New function.
4496         (Incremental_checker::can_incrementally_link_output_file): Remove.
4497         (Incremental_inputs::report_command_line): Exclude --debug options.
4498         (Incremental_inputs::report_archive_begin): Add parameter; track
4499         argument serial numbers; don't put input file entry for archive
4500         before archive members.
4501         (Incremental_inputs::report_archive_end): Put input file entry
4502         for archive after archive members.
4503         (Incremental_inputs::report_object): Add parameter; track argument
4504         serial numbers and in_system_directory flag.
4505         (Incremental_inputs::report_script): Add parameter; track argument
4506         serial numbers.
4507         (Output_section_incremental_inputs::set_final_data_size): Adjust
4508         size of symbol info entry; check for forwarding symbols.
4509         (Output_section_incremental_inputs::write_input_files): Write
4510         in_system_directory flag and argument serial number.
4511         (Output_section_incremental_inputs::write_info_blocks): Map section
4512         indices between incremental info and original input file; store
4513         input section index for each symbol.
4514         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
4515         change operator() to visit().
4516         (class Global_got_offset_visitor): Likewise.
4517         (class Global_symbol_visitor_got_plt):
4518         (Output_section_incremental_inputs::write_got_plt): Use new visitor
4519         classes.
4520         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
4521         (Sized_incr_relobj::do_read_symbols): New function.
4522         (Sized_incr_relobj::do_layout): New function.
4523         (Sized_incr_relobj::do_layout_deferred_sections): New function.
4524         (Sized_incr_relobj::do_add_symbols): New function.
4525         (Sized_incr_relobj::do_should_include_member): New function.
4526         (Sized_incr_relobj::do_for_all_global_symbols): New function.
4527         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
4528         (Sized_incr_relobj::do_section_size): New function.
4529         (Sized_incr_relobj::do_section_name): New function.
4530         (Sized_incr_relobj::do_section_contents): New function.
4531         (Sized_incr_relobj::do_section_flags): New function.
4532         (Sized_incr_relobj::do_section_entsize): New function.
4533         (Sized_incr_relobj::do_section_address): New function.
4534         (Sized_incr_relobj::do_section_type): New function.
4535         (Sized_incr_relobj::do_section_link): New function.
4536         (Sized_incr_relobj::do_section_info): New function.
4537         (Sized_incr_relobj::do_section_addralign): New function.
4538         (Sized_incr_relobj::do_initialize_xindex): New function.
4539         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
4540         (Sized_incr_relobj::do_read_relocs): New function.
4541         (Sized_incr_relobj::do_gc_process_relocs): New function.
4542         (Sized_incr_relobj::do_scan_relocs): New function.
4543         (Sized_incr_relobj::do_count_local_symbols): New function.
4544         (Sized_incr_relobj::do_finalize_local_symbols): New function.
4545         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
4546         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
4547         (Sized_incr_relobj::do_relocate): New function.
4548         (Sized_incr_relobj::do_set_section_offset): New function.
4549         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
4550         (Sized_incr_dynobj::do_read_symbols): New function.
4551         (Sized_incr_dynobj::do_layout): New function.
4552         (Sized_incr_dynobj::do_add_symbols): New function.
4553         (Sized_incr_dynobj::do_should_include_member): New function.
4554         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
4555         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
4556         (Sized_incr_dynobj::do_section_size): New function.
4557         (Sized_incr_dynobj::do_section_name): New function.
4558         (Sized_incr_dynobj::do_section_contents): New function.
4559         (Sized_incr_dynobj::do_section_flags): New function.
4560         (Sized_incr_dynobj::do_section_entsize): New function.
4561         (Sized_incr_dynobj::do_section_address): New function.
4562         (Sized_incr_dynobj::do_section_type): New function.
4563         (Sized_incr_dynobj::do_section_link): New function.
4564         (Sized_incr_dynobj::do_section_info): New function.
4565         (Sized_incr_dynobj::do_section_addralign): New function.
4566         (Sized_incr_dynobj::do_initialize_xindex): New function.
4567         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
4568         (make_sized_incremental_object): New function.
4569         (Incremental_library::copy_unused_symbols): New function.
4570         (Incremental_library::do_for_all_unused_symbols): New function.
4571         * incremental.h (enum Incremental_input_flags): New type.
4572         (class Incremental_checker): Remove.
4573         (Incremental_input_entry::Incremental_input_entry): Add argument
4574         serial number.
4575         (Incremental_input_entry::arg_serial): New function.
4576         (Incremental_input_entry::set_is_in_system_directory): New function.
4577         (Incremental_input_entry::is_in_system_directory): New function.
4578         (Incremental_input_entry::arg_serial_): New data member.
4579         (Incremental_input_entry::is_in_system_directory_): New data member.
4580         (class Script_info): Move here from script.h.
4581         (Script_info::Script_info): Add filename parameter.
4582         (Script_info::filename): New function.
4583         (Script_info::filename_): New data member.
4584         (Incremental_script_entry::Incremental_script_entry): Add argument
4585         serial number.
4586         (Incremental_object_entry::Incremental_object_entry): Likewise.
4587         (Incremental_object_entry::add_input_section): Build list of input
4588         sections with map to original shndx.
4589         (Incremental_object_entry::get_input_section_index): New function.
4590         (Incremental_object_entry::shndx_): New data member.
4591         (Incremental_object_entry::name_key_): Rename; adjust all refs.
4592         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
4593         (Incremental_archive_entry::Incremental_archive_entry): Add argument
4594         serial number.
4595         (Incremental_inputs::report_archive_begin): Likewise.
4596         (Incremental_inputs::report_object): Likewise.
4597         (Incremental_inputs::report_script): Likewise.
4598         (class Incremental_global_symbol_reader): New class.
4599         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
4600         and store flags and input file type.
4601         (Incremental_input_entry_reader::arg_serial): New function.
4602         (Incremental_input_entry_reader::type): Extract type from flags.
4603         (Incremental_input_entry_reader::is_in_system_directory): New function.
4604         (Incremental_input_entry_reader::get_input_section_count): Call
4605         accessor function for type.
4606         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
4607         function for type; adjust size of global symbol entry.
4608         (Incremental_input_entry_reader::get_global_symbol_count): Call
4609         accessor function for type.
4610         (Incremental_input_entry_reader::get_object_count): Likewise.
4611         (Incremental_input_entry_reader::get_object_offset): Likewise.
4612         (Incremental_input_entry_reader::get_member_count): Likewise.
4613         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
4614         (Incremental_input_entry_reader::get_member_offset): Likewise.
4615         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
4616         (Incremental_input_entry_reader::Global_symbol_info): Remove.
4617         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
4618         (Incremental_input_entry_reader::get_global_symbol_reader): New
4619         function.
4620         (Incremental_input_entry_reader::get_output_symbol_index): New
4621         function.
4622         (Incremental_input_entry_reader::type_): Remove.
4623         (Incremental_input_entry_reader::flags_): New data member.
4624         (Incremental_inputs_reader::input_file_offset): New function.
4625         (Incremental_inputs_reader::input_file_index): New function.
4626         (Incremental_inputs_reader::input_file): Call input_file_offset.
4627         (Incremental_inputs_reader::input_file_at_offset): New function.
4628         (Incremental_relocs_reader::get_r_type): Reformat.
4629         (Incremental_relocs_reader::get_r_shndx): Reformat.
4630         (Incremental_relocs_reader::get_r_offset): Reformat.
4631         (Incremental_relocs_reader::data): New function.
4632         (Incremental_binary::Incremental_binary): Initialize new data members.
4633         (Incremental_binary::check_inputs): Add cmdline parameter.
4634         (Incremental_binary::file_is_unchanged): Remove.
4635         (Input_reader::arg_serial): New function.
4636         (Input_reader::get_unused_symbol_count): New function.
4637         (Input_reader::get_unused_symbol): New function.
4638         (Input_reader::do_arg_serial): New function.
4639         (Input_reader::do_get_unused_symbol_count): New function.
4640         (Input_reader::do_get_unused_symbol): New function.
4641         (Incremental_binary::input_file_count): New function.
4642         (Incremental_binary::get_input_reader): Change signature to use
4643         index instead of filename.
4644         (Incremental_binary::file_has_changed): New function.
4645         (Incremental_binary::get_input_argument): New function.
4646         (Incremental_binary::get_library): New function.
4647         (Incremental_binary::get_script_info): New function.
4648         (Incremental_binary::init_layout): New function.
4649         (Incremental_binary::reserve_layout): New function.
4650         (Incremental_binary::output_file): New function.
4651         (Incremental_binary::do_check_inputs): New function.
4652         (Incremental_binary::do_file_is_unchanged): Remove.
4653         (Incremental_binary::do_file_has_changed): New function.
4654         (Incremental_binary::do_init_layout): New function.
4655         (Incremental_binary::do_reserve_layout): New function.
4656         (Incremental_binary::do_input_file_count): New function.
4657         (Incremental_binary::do_get_input_reader): Change signature.
4658         (Incremental_binary::input_args_map_): New data member.
4659         (Incremental_binary::library_map_): New data member.
4660         (Incremental_binary::script_map_): New data member.
4661         (Sized_incremental_binary::Sized_incremental_binary): Initialize
4662         new data members.
4663         (Sized_incremental_binary::output_section): New function.
4664         (Sized_incremental_binary::inputs_reader): Add const.
4665         (Sized_incremental_binary::symtab_reader): Add const.
4666         (Sized_incremental_binary::relocs_reader): Add const.
4667         (Sized_incremental_binary::got_plt_reader): Add const.
4668         (Sized_incremental_binary::get_symtab_view): New function.
4669         (Sized_incremental_binary::Inputs_reader): New typedef.
4670         (Sized_incremental_binary::Input_entry_reader): New typedef.
4671         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
4672         (Sized_incremental_binary::do_file_is_unchanged): Remove.
4673         (Sized_incremental_binary::do_file_has_changed): New function.
4674         (Sized_incremental_binary::do_init_layout): New function.
4675         (Sized_incremental_binary::do_reserve_layout): New function.
4676         (Sized_input_reader::Inputs_reader): Remove.
4677         (Sized_input_reader::Input_entry_reader): Remove.
4678         (Sized_input_reader::do_arg_serial): New function.
4679         (Sized_input_reader::do_get_unused_symbol_count): New function.
4680         (Sized_input_reader::do_get_unused_symbol): New function.
4681         (Sized_incremental_binary::do_input_file_count): New function.
4682         (Sized_incremental_binary::do_get_input_reader): Change signature;
4683         use index instead of filename.
4684         (Sized_incremental_binary::section_map_): New data member.
4685         (Sized_incremental_binary::input_entry_readers_): New data member.
4686         (class Sized_incr_relobj): New class.
4687         (class Sized_incr_dynobj): New class.
4688         (make_sized_incremental_object): New function.
4689         (class Incremental_library): New class.
4690         * layout.cc (Free_list::num_lists): New static data member.
4691         (Free_list::num_nodes): New static data member.
4692         (Free_list::num_removes): New static data member.
4693         (Free_list::num_remove_visits): New static data member.
4694         (Free_list::num_allocates): New static data member.
4695         (Free_list::num_allocate_visits): New static data member.
4696         (Free_list::init): New function.
4697         (Free_list::remove): New function.
4698         (Free_list::allocate): New function.
4699         (Free_list::dump): New function.
4700         (Free_list::print_stats): New function.
4701         (Layout_task_runner::run): Resize output file for incremental updates.
4702         (Layout::Layout): Initialize new data members.
4703         (Layout::set_incremental_base): New function.
4704         (Layout::init_fixed_output_section): New function.
4705         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
4706         incremental updates.
4707         (Layout::create_gold_note): Do not create gold note section for
4708         incremental updates.
4709         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
4710         for incremental updates.
4711         (Layout::set_section_offsets): For incremental updates, allocate space
4712         from free list.
4713         (Layout::create_symtab_sections): Layout with offsets relative to
4714         start of section; for incremental updates, allocate space from free
4715         list.
4716         (Layout::create_shdrs): For incremental updates, allocate space from
4717         free list.
4718         (Layout::finish_dynamic_section): For incremental updates, do not
4719         check --as-needed (fixed in subsequent patch).
4720         * layout.h (class Free_list): New class.
4721         (Layout::set_incremental_base): New function.
4722         (Layout::incremental_base): New function.
4723         (Layout::init_fixed_output_section): New function.
4724         (Layout::allocate): New function.
4725         (Layout::incremental_base_): New data member.
4726         (Layout::free_list_): New data member.
4727         * main.cc (main): Print Free_list statistics.
4728         * object.cc (Relobj::finalize_incremental_relocs): Add
4729         clear_counts parameter; clear counts only when clear_counts is set.
4730         (Sized_relobj::Sized_relobj): Initialize new base class.
4731         (Sized_relobj::do_layout): Don't report special sections.
4732         (Sized_relobj::do_for_all_local_got_entries): New function.
4733         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
4734         symtab_off to all symbol table offsets.
4735         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
4736         * object.h (class Got_offset_list): Move to top of file.
4737         (Object::Object): Allow case where input_file == NULL.
4738         (Object::~Object): Likewise.
4739         (Object::input_file): Assert that input_file != NULL.
4740         (Object::lock): Allow case where input_file == NULL.
4741         (Object::unlock): Likewise.
4742         (Object::is_locked): Likewise.
4743         (Object::token): Likewise.
4744         (Object::release): Likewise.
4745         (Object::is_incremental): New function.
4746         (Object::get_mtime): New function.
4747         (Object::for_all_local_got_entries): New function.
4748         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
4749         (Object::set_is_in_system_directory): New function.
4750         (Object::is_in_system_directory): New function.
4751         (Object::do_is_incremental): New function.
4752         (Object::do_get_mtime): New function.
4753         (Object::do_for_all_local_got_entries): New function.
4754         (Object::is_in_system_directory_): New data member.
4755         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
4756         (class Sized_relobj_base): New class.
4757         (class Sized_relobj): Derive from Sized_relobj_base.
4758         (class Sized_relobj::Symbols): Redeclare from base class.
4759         (class Sized_relobj::local_got_offset_list): Remove.
4760         (class Sized_relobj::Output_sections): Redeclare from base class.
4761         (class Sized_relobj::do_for_all_local_got_entries): New function.
4762         (class Sized_relobj::write_local_symbols): Add offset parameter.
4763         (class Sized_relobj::local_symbol_offset_): Update comment.
4764         (class Sized_relobj::local_dynsym_offset_): Update comment.
4765         * options.cc (Input_arguments::add_file): Remove const.
4766         * options.h (Input_file_argument::Input_file_argument):
4767         Initialize arg_serial_ (all constructors).
4768         (Input_file_argument::set_arg_serial): New function.
4769         (Input_file_argument::arg_serial): New function.
4770         (Input_file_argument::arg_serial_): New data member.
4771         (Input_arguments::Input_arguments): Initialize file_count_.
4772         (Input_arguments::add_file): Remove const.
4773         (Input_arguments::number_of_input_files): New function.
4774         (Input_arguments::file_count_): New data member.
4775         (Command_line::number_of_input_files): Call
4776         Input_arguments::number_of_input_files.
4777         * output.cc (Output_segment_headers::Output_segment_headers):
4778         Set current size.
4779         (Output_section::Input_section::current_data_size): New function.
4780         (Output_section::Output_section): Initialize new data members.
4781         (Output_section::add_input_section): Don't do merge sections for
4782         an incremental link; allocate space from free list for an
4783         incremental update.
4784         (Output_section::add_output_section_data): Allocate space from
4785         free list for an incremental update.
4786         (Output_section::update_data_size): New function.
4787         (Output_section::set_fixed_layout): New function.
4788         (Output_section::reserve): New function.
4789         (Output_segment::set_section_addresses): Remove const.
4790         (Output_segment::set_section_list_addresses): Remove const; allocate
4791         space from free list for an incremental update.
4792         (Output_segment::set_offset): Adjust size of RELRO segment for an
4793         incremental update.
4794         * output.h (Output_data::current_data_size): Move here from
4795         child classes.
4796         (Output_data::pre_finalize_data_size): New function.
4797         (Output_data::update_data_size): New function.
4798         (Output_section_headers::update_data_size): new function.
4799         (Output_section_data_build::current_data_size): Move to Output_data.
4800         (Output_data_strtab::update_data_size): New function.
4801         (Output_section::current_data_size): Move to Output_data.
4802         (Output_section::set_fixed_layout): New function.
4803         (Output_section::has_fixed_layout): New function.
4804         (Output_section::reserve): New function.
4805         (Output_section::update_data_size): New function.
4806         (Output_section::has_fixed_layout_): New data member.
4807         (Output_section::free_list_): New data member.
4808         (Output_segment::set_section_addresses): Remove const.
4809         (Output_segment::set_section_list_addresses): Remove const.
4810         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4811         New function.
4812         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4813         New function.
4814         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4815         parameter when calling Add_symbols constructor; store argument
4816         serial number for members of a lib group.
4817         (Add_symbols::locks): Allow case where token == NULL.
4818         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4819         (Read_member::~Read_member): New function.
4820         (Read_member::is_runnable): New function.
4821         (Read_member::locks): New function.
4822         (Read_member::run): New function.
4823         (Check_script::~Check_script): New function.
4824         (Check_script::is_runnable): New function.
4825         (Check_script::locks): New function.
4826         (Check_script::run): New function.
4827         (Check_library::~Check_library): New function.
4828         (Check_library::is_runnable): New function.
4829         (Check_library::locks): New function.
4830         (Check_library::run): New function.
4831         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4832         (Add_symbols::library_): New data member.
4833         (class Read_member): New class.
4834         (class Check_script): New class.
4835         (class Check_library): New class.
4836         * reloc.cc (Read_relocs::is_runnable): Allow case where
4837         token == NULL.
4838         (Read_relocs::locks): Likewise.
4839         (Scan_relocs::locks): Likewise.
4840         (Relocate_task::locks): Likewise.
4841         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4842         to clear counters.
4843         (Sized_relobj::incremental_relocs_scan): Fix comment.
4844         (Sized_relobj::do_relocate): Pass output file offset to
4845         write_local_symbols.
4846         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4847         from class declaration.
4848         * script.cc (read_input_script): Allocate Script_info; pass
4849         argument serial number to report_script.
4850         * script.h (class Script_info): Move to incremental.h.
4851         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4852         * symtab.h (Symbol_table::add_from_incrobj): New function.
4853         (Symbol_table::set_file_offset): New function.
4854
4855 2011-04-05  Cary Coutant  <ccoutant@google.com>
4856
4857         * incremental-dump.cc (dump_incremental_inputs): Change signature
4858         to take a Sized_incremental_binary; change caller.  Use readers
4859         in Sized_incremental_binary.
4860         * incremental.cc
4861         (Sized_incremental_binary::find_incremental_inputs_sections):
4862         Rename do_find_incremental_inputs_sections to this.
4863         (Sized_incremental_binary::setup_readers): New function.
4864         (Sized_incremental_binary::do_check_inputs): Check
4865         has_incremental_info_ flag; move setup code to setup_readers;
4866         use input readers.
4867         (Sized_incremental_binary::do_file_is_unchanged): New function.
4868         (Sized_incremental_binary::do_get_input_reader): New function.
4869         * incremental.h (class Incremental_binary): Move to end of file.
4870         (Incremental_binary::file_is_unchanged): New function.
4871         (Incremental_binary::do_file_is_unchanged): New function.
4872         (Incremental_binary::Input_reader): New class.
4873         (Incremental_binary::get_input_reader): New function.
4874         (class Sized_incremental_binary): Move to end of file.
4875         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4876         input section reader classes.
4877         (Sized_incremental_binary::has_incremental_info): New function.
4878         (Sized_incremental_binary::inputs_reader): New function.
4879         (Sized_incremental_binary::symtab_reader): New function.
4880         (Sized_incremental_binary::relocs_reader): New function.
4881         (Sized_incremental_binary::got_plt_reader): New function.
4882         (Sized_incremental_binary::do_file_is_unchanged): New function.
4883         (Sized_incremental_binary::Sized_input_reader): New class.
4884         (Sized_incremental_binary::get_input_reader): New function.
4885         (Sized_incremental_binary::find_incremental_inputs_sections):
4886         Rename do_find_incremental_inputs_sections to this.
4887         (Sized_incremental_binary::setup_readers): New function.
4888         (Sized_incremental_binary::has_incremental_info_): New data member.
4889         (Sized_incremental_binary::inputs_reader_): New data member.
4890         (Sized_incremental_binary::symtab_reader_): New data member.
4891         (Sized_incremental_binary::relocs_reader_): New data member.
4892         (Sized_incremental_binary::got_plt_reader_): New data member.
4893         (Sized_incremental_binary::current_input_file_): New data member.
4894
4895 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4896
4897         PR gold/12640
4898         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4899         violation.
4900
4901 2011-03-30  Cary Coutant  <ccoutant@google.com>
4902
4903         * archive.cc (Archive::include_member): Adjust call to report_object.
4904         (Add_archive_symbols::run): Add script_info to call to
4905         report_archive_begin.
4906         (Lib_group::include_member): Adjust call to report_object.
4907         (Add_lib_group_symbols::run): Adjust call to report_object.
4908         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4909         blocks.  Add object count for script input files.
4910         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4911         script_info parameter; change all callers.
4912         (Incremental_inputs::report_object): Add script_info parameter;
4913         change all callers.
4914         (Incremental_inputs::report_script): Store backpointer to
4915         incremental info entry.
4916         (Output_section_incremental_inputs::set_final_data_size): Record
4917         additional information for scripts.
4918         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4919         * incremental.h (Incremental_script_entry::add_object): New function.
4920         (Incremental_script_entry::get_object_count): New function.
4921         (Incremental_script_entry::get_object): New function.
4922         (Incremental_script_entry::objects_): New data member; adjust
4923         constructor.
4924         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4925         (Incremental_inputs::report_object): Add script_info parameter.
4926         (Incremental_inputs_reader::get_object_count): New function.
4927         (Incremental_inputs_reader::get_object_offset): New function.
4928         * options.cc (Input_arguments::add_file): Return reference to
4929         new input argument.
4930         * options.h (Input_argument::set_script_info): New function.
4931         (Input_argument::script_info): New function.
4932         (Input_argument::script_info_): New data member; adjust all
4933         constructors.
4934         (Input_file_group::add_file): Return reference to new input argument.
4935         (Input_file_lib::add_file): Likewise.
4936         (Input_arguments::add_file): Likewise.
4937         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4938         * script.cc (Parser_closure::Parser_closure): Add script_info
4939         parameter; adjust all callers.
4940         (Parser_closure::script_info): New function.
4941         (Parser_closure::script_info_): New data member.
4942         (read_input_script): Report scripts earlier to incremental info.
4943         (script_add_file): Set script_info in Input_argument.
4944         (script_add_library): Likewise.
4945         * script.h (Script_options::Script_info): Rewrite class.
4946
4947 2011-03-29  Cary Coutant  <ccoutant@google.com>
4948
4949         * archive.cc (Library_base::should_include_member): Move
4950         method here from class Archive.
4951         (Archive::Archive): Initialize base class.
4952         (Archive::should_include_member): Move to base class.
4953         (Archive::do_for_all_unused_symbols): New function.
4954         (Add_archive_symbols::run): Remove redundant access to
4955         incremental_inputs.
4956         (Lib_group::Lib_group): Initialize base class.
4957         (Lib_group::do_filename): New function.
4958         (Lib_group::include_member): Pass pointer to Lib_group to
4959         report_object.
4960         (Lib_group::do_for_all_unused_symbols): New function.
4961         (Add_lib_group_symbols::run): Report archive information for
4962         incremental links.
4963         * archive.h (class Library_base): New base class.
4964         (class Archive): Derive from Library_base.
4965         (Archive::filename): Move to base class.
4966         (Archive::set_incremental_info): Likewise.
4967         (Archive::incremental_info): Likewise.
4968         (Archive::Should_include): Likewise.
4969         (Archive::should_include_member): Likewise.
4970         (Archive::Armap_entry): Remove.
4971         (Archive::Unused_symbol_iterator): Remove.
4972         (Archive::unused_symbols_begin): Remove.
4973         (Archive::unused_symbols_end): Remove.
4974         (Archive::do_filename): New function.
4975         (Archive::do_get_mtime): New function.
4976         (Archive::do_for_all_unused_symbols): New function.
4977         (Archive::task_): Move to base class.
4978         (Archive::incremental_info_): Likewise.
4979         (class Lib_group): Derive from Library_base.
4980         (Lib_group::do_filename): New function.
4981         (Lib_group::do_get_mtime): New function.
4982         (Lib_group::do_for_all_unused_symbols): New function.
4983         (Lib_group::task_): Move to base class.
4984         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4985         function.
4986         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4987         function.
4988         * incremental.cc (Incremental_inputs::report_archive_begin):
4989         Use Library_base; call library's get_mtime; add incremental inputs
4990         entry before members.
4991         (class Unused_symbol_visitor): New class.
4992         (Incremental_inputs::report_archive_end): Use Library_base; use
4993         visitor class to record unused symbols; don't add incremental inputs
4994         entry after members.
4995         (Incremental_inputs::report_object): Use Library_base.
4996         * incremental.h
4997         (Incremental_archive_entry::Incremental_archive_entry): Remove
4998         unused Archive parameter.
4999         (Incremental_inputs::report_archive_begin): Use Library_base.
5000         (Incremental_inputs::report_archive_end): Likewise.
5001         (Incremental_inputs::report_object): Likewise.
5002         * object.cc (Sized_relobj::do_for_all_global_symbols): New
5003         function.
5004         * object.h (Object::for_all_global_symbols): New function.
5005         (Object::do_for_all_global_symbols): New function.
5006         (Sized_relobj::do_for_all_global_symbols): New function.
5007         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
5008         function.
5009         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
5010         function.
5011
5012 2011-03-27  Ian Lance Taylor  <iant@google.com>
5013
5014         * archive.cc (Archive::interpret_header): Return -1 if something
5015         goes wrong.  Change callers accordingly.
5016
5017 2011-03-25  Cary Coutant  <ccoutant@google.com>
5018
5019         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
5020         * testsuite/Makefile.in: Regenerate.
5021
5022 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
5023
5024         * plugin.cc (get_view): New.
5025         (Plugin::load): Pass get_view to the plugin.
5026         (Plugin_manager::get_view): New.
5027
5028 2011-03-21  Ian Lance Taylor  <iant@google.com>
5029
5030         * testsuite/final_layout.sh: Rewrite to not use dc.
5031         * testsuite/relro_test.sh: Fail if dc is not present.
5032
5033 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
5034
5035         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
5036         Change == to -eq.
5037         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
5038         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
5039         Change == to -eq.
5040         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
5041         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
5042
5043 2011-03-14  Ian Lance Taylor  <iant@google.com>
5044
5045         * script-sections.cc (Sort_output_sections::script_compare):
5046         Rename from is_before, change return type.
5047         (Sort_output_sections::operator()): Adjust accordingly.
5048
5049 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
5050
5051         PR gold/12572
5052         * testsuite/odr_violation2.cc: Add comment to make all error line
5053         numbers double digits.
5054         * testsuite/debug_msg.sh: Adjust expected errors.
5055
5056 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
5057
5058         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
5059         but mark earlier ones as non-canonical
5060         (offset_to_iterator): Update search target and example
5061         (do_addr2line): Return extra lines in a vector*
5062         (format_file_lineno): Extract from do_addr2line
5063         (one_addr2line): Add vector* out-param
5064         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
5065         when a lineno entry appeared last for its instruction
5066         (Dwarf_line_info): Add vector* out-param
5067         * object.cc (Relocate_info): Pass NULL for the vector* out-param
5068         * symtab.cc (Odr_violation_compare): Include the lineno in the
5069         comparison again.
5070         (linenos_from_loc): New. Combine the canonical line for an
5071         address with its other lines.
5072         (True_if_intersect): New. Helper functor to make
5073         std::set_intersection a query.
5074         (detect_odr_violations): Compare sets of lines instead of just
5075         one line for each function. This became less deterministic, but
5076         has fewer false positives.
5077         * symtab.h: Declarations.
5078         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
5079         mix an optimized and non-optimized object in the same binary
5080         (odr_violation2.so): Same.
5081         * testsuite/Makefile.in: Regenerate from Makefile.am.
5082         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
5083         * testsuite/debug_msg.sh: Update line numbers and add
5084         assertions.
5085         * testsuite/odr_violation1.cc: Use OdrDerived, in a
5086         non-optimized context.
5087         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
5088         isn't inlined, and use OdrDerived in an optimized context.
5089         * testsuite/odr_header1.h: Defines OdrDerived, where
5090         optimization will change the
5091         first-instruction-in-the-destructor's file and line number.
5092         * testsuite/odr_header2.h: Defines OdrBase.
5093
5094 2011-03-09  Ian Lance Taylor  <iant@google.com>
5095
5096         * fileread.cc (File_read::clear_views): Don't delete the whole
5097         file view.
5098
5099 2011-03-08  Ian Lance Taylor  <iant@google.com>
5100
5101         PR gold/12525
5102         * fileread.cc: #include <climits>.
5103         (GOLD_IOV_MAX): Define.
5104         (File_read::read_multiple): Limit number of entries by iov_max.
5105         * fileread.h (class File_read): Always set max_readv_entries to
5106         128.
5107
5108 2011-03-07  Ian Lance Taylor  <iant@google.com>
5109
5110         PR gold/12525
5111         * options.h (class General_options): Add -dy and -dn.
5112
5113 2011-03-02  Cary Coutant  <ccoutant@google.com>
5114
5115         * testsuite/script_test_9.t: Add TLS segment.
5116
5117 2011-03-02  Simon Baldwin  <simonb@google.com>
5118
5119         * configure.ac: Add check for gnu_indirect_function support in
5120         the toolchain building binutils.
5121         * configure: Rebuild.
5122
5123 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
5124
5125         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
5126         plugin only symbols.
5127         (Symbol_table::sized_finalize_symbol) Mark symbol only present
5128         in plugin files as not needed in the symbol table.
5129
5130 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
5131
5132         * output.cc (Output_section::add_input_section): Delay fill
5133         generation for section ordering.
5134
5135 2011-02-09  Ian Lance Taylor  <iant@google.com>
5136
5137         PR gold/12316
5138         * object.h (class Sized_relobj): Remove clear_local_symbols.
5139         * reloc.cc (Sized_relobj::do_relocate): Don't call
5140         clear_local_symbols.
5141
5142 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
5143
5144         * plugin.cc (is_visible_from_outside): Return true for symbols
5145         in the -u option.
5146
5147 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
5148
5149         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
5150         filename.
5151
5152 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
5153
5154         * icf.h (is_section_foldable_candidate): Change type of parameter
5155         to std::string.
5156         * icf.cc (Icf::find_identical_sections): Change type of local variable
5157         section_name to be std::string.
5158         (is_function_ctor_or_dtor): Change type of parameter to std::string.
5159
5160 2011-01-25  Ian Lance Taylor  <iant@google.com>
5161
5162         * script.cc (script_add_extern): Rewrite to use
5163         add_symbol_reference.
5164
5165 2011-01-25  Doug Kwan  <dougkwan@google.com>
5166
5167         * icf.cc (get_section_contents): Always lock section's object.
5168
5169 2011-01-24  Ian Lance Taylor  <iant@google.com>
5170
5171         * options.h (class General_options): Accept
5172         --no-detect-odr-violations.
5173
5174 2011-01-24  Ian Lance Taylor  <iant@google.com>
5175
5176         * version.cc (version_string): Bump to 1.11.
5177
5178 2011-01-24  Ian Lance Taylor  <iant@google.com>
5179
5180         * plugin.cc (class Plugin_rescan): Define new class.
5181         (Plugin_manager::claim_file): Set any_claimed_.
5182         (Plugin_manager::save_archive): New function.
5183         (Plugin_manager::save_input_group): New function.
5184         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
5185         necessary.
5186         (Plugin_manager::new_undefined_symbol): New function.
5187         (Plugin_manager::rescan): New function.
5188         (Plugin_manager::rescannable_defines): New function.
5189         (Plugin_manager::add_input_file): Set any_added_.
5190         * plugin.h (class Plugin_manager): define new fields rescannable_,
5191         undefined_symbols_, any_claimed_, and any_added_.  Declare
5192         Plugin_rescan as friend.  Declare new functions.
5193         (Plugin_manager::Rescannable): Define type.
5194         (Plugin_manager::Rescannable_list): Define type.
5195         (Plugin_manager::Undefined_symbol_list): Define type.
5196         (Plugin_manager::Plugin_manager): Initialize new fields.
5197         * archive.cc (Archive::defines_symbol): New function.
5198         (Add_archive_symbols::run): Pass archive to plugins if any.
5199         * archive.h (class Archive): Declare defines_symbol.
5200         * readsyms.cc (Input_group::~Input_group): New function.
5201         (Finish_group::run): Pass input_group to plugins if any.
5202         * readsyms.h (class Input_group): Declare destructor.
5203         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
5204         any.
5205
5206 2011-01-10  Ian Lance Taylor  <iant@google.com>
5207
5208         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
5209         section as relro.
5210         (Layout::set_segment_offsets): Reset increase_relro before calling
5211         set_section_addresses a second time.
5212
5213 2011-01-04  Cary Coutant  <ccoutant@google.com>
5214
5215         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
5216         sections before NOBITS sections.
5217
5218 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
5219
5220         * version.cc (print_version): Update copyright to 2011.
5221
5222 2010-12-23  Cary Coutant  <ccoutant@google.com>
5223
5224         * output.h (Output_data_reloc::add_output_section): Pass OD instead
5225         of OS to this->add.  Add OD parameter to second form of the function.
5226
5227 2010-12-20  Ian Lance Taylor  <iant@google.com>
5228
5229         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
5230         second of two consecutive entries with same offset.
5231
5232 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5233
5234         * testsuite/Makefile.am (ifuncmain2static_LDADD)
5235         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
5236         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
5237         to avoid unneeded links against $(LDADD).
5238         * testsuite/Makefile.in: Regenerate.
5239
5240 2010-12-15  Ian Lance Taylor  <iant@google.com>
5241
5242         PR gold/12324
5243         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
5244         for R_X86_64_32 and R_X86_64_PC32.
5245         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
5246         ver_matching_def_pic.o.
5247         (ver_matching_def_pic.o): New target.
5248
5249 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5250
5251         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
5252         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
5253         Move definition before File_read::View member definitions.
5254         (File_read::View::~View): Initialize and hold lock before
5255         updating current_mapped_bytes.
5256
5257 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5258
5259         * dwarf_reader.cc: Remove outdated comment.
5260         * gold-threads.cc: Fix typo in error message.
5261         * archive.cc: Fix typos in comments.
5262         * archive.h: Likewise.
5263         * arm-reloc-property.cc: Likewise.
5264         * arm-reloc-property.h: Likewise.
5265         * arm-reloc.def: Likewise.
5266         * arm.cc: Likewise.
5267         * attributes.h: Likewise.
5268         * cref.cc: Likewise.
5269         * ehframe.cc: Likewise.
5270         * fileread.h: Likewise.
5271         * gold.h: Likewise.
5272         * i386.cc: Likewise.
5273         * icf.cc: Likewise.
5274         * incremental.h: Likewise.
5275         * int_encoding.cc: Likewise.
5276         * layout.h: Likewise.
5277         * main.cc: Likewise.
5278         * merge.h: Likewise.
5279         * object.cc: Likewise.
5280         * object.h: Likewise.
5281         * options.cc: Likewise.
5282         * readsyms.cc: Likewise.
5283         * reduced_debug_output.cc: Likewise.
5284         * reloc.cc: Likewise.
5285         * script-sections.cc: Likewise.
5286         * sparc.cc: Likewise.
5287         * symtab.h: Likewise.
5288         * target-reloc.h: Likewise.
5289         * target.cc: Likewise.
5290         * target.h: Likewise.
5291         * timer.cc: Likewise.
5292         * timer.h: Likewise.
5293         * x86_64.cc: Likewise.
5294
5295 2010-12-09  Cary Coutant  <ccoutant@google.com>
5296
5297         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
5298         stack.
5299         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
5300         parameter; change all callers.
5301         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
5302         * options.h (warn_execstack): New option.
5303
5304 2010-12-07  Doug Kwan  <dougkwan@google.com>
5305
5306         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
5307         like function call relocations.
5308
5309 2010-12-07  Ian Lance Taylor  <iant@google.com>
5310
5311         * archive.cc (Archive::get_elf_object_for_member): Permit
5312         punconfigured to be NULL.
5313         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
5314         (Archive::include_member): Pass NULL to get_elf_object_for_member
5315         if we searched for the archive and this is the first included
5316         object.
5317
5318 2010-12-01  Ian Lance Taylor  <iant@google.com>
5319
5320         * dwarf_reader.h (class Sized_dwarf_line_info): Add
5321         track_relocs_type_ field.
5322         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5323         Set track_relocs_type_.
5324         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
5325         contents when using RELA relocs.
5326         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
5327         reloc_map_.
5328         * reloc.cc (Track_relocs::next_addend): New function.
5329         * reloc.h (class Track_relocs): Declare next_addend.
5330
5331 2010-12-01  Ian Lance Taylor  <iant@google.com>
5332
5333         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
5334         virtual destructor.
5335
5336 2010-12-01  Ian Lance Taylor  <iant@google.com>
5337
5338         * README: Update compilers known to work and fail.
5339
5340 2010-11-23  Matthias Klose  <doko@ubuntu.com>
5341
5342         * configure.in: For --enable-gold, handle value `default' instead of
5343         `both*'.  Always install ld as ld.bfd, install as ld if gold is
5344         not the default.
5345         * configure: Regenerate.
5346
5347 2010-11-18  Doug Kwan  <dougkwan@google.com>
5348
5349         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
5350         and right_alignment to be zero.  Store result alignment only if it is
5351         greater than existing alignment.
5352
5353 2010-11-16  Cary Coutant  <ccoutant@google.com>
5354
5355         PR gold/12220
5356         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5357         Check for ".zdebug_line".
5358
5359 2010-11-16  Doug Kwan  <dougkwan@google.com>
5360             Cary Coutant  <ccoutant@google.com>
5361
5362         * output.h (Output_segment::set_section_addresses): Pass increase_relro
5363         by reference; adjust all callers.
5364         * output.cc (Output_segment::set_section_addresses): Adjust references
5365         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
5366         list is empty.
5367         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
5368         end at page boundary.
5369
5370 2010-11-16  Cary Coutant  <ccoutant@google.com>
5371
5372         PR gold/12220
5373         * layout.cc (Layout::choose_output_section): Transform names of
5374         compressed sections even when using a script with a SECTIONS clause.
5375         (Layout::output_section_name): Remove code to transform
5376         compressed debug section names.
5377         * output.cc (Output_section::add_input_section): Use uncompressed
5378         section size when tracking input sections.
5379
5380 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
5381
5382         * symtab.h (Symbol::NON_PIC_REF): Remove.
5383         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
5384         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
5385         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
5386         (Symbol::use_plt_offset): Take a flags argument and pass it
5387         directly to needs_dynamic_reloc.  Restrict check for undefined
5388         weak symbols to function calls.
5389         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
5390         (Target_arm::Scan::global): Use it.
5391         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
5392         (Target_arm::Relocate::relocate): Likewise.
5393         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
5394         parameter with an r_type parameter.  Use get_reference_flags
5395         to get the flags.
5396         (Target_arm::Relocate::relocate): Update accordingly.
5397         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
5398         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
5399         (Target_i386::Scan::global): Likewise.
5400         (Target_i386::Relocate::relocate): Likewise.
5401         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
5402         parameter with an r_type parameter.  Use get_reference_flags
5403         to get the flags.
5404         (Target_i386::Relocate::relocate): Update accordingly.
5405         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
5406         (Target_powerpc::Scan::global): Use it.
5407         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
5408         (Target_powerpc::Relocate::relocate): Likewise.
5409         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
5410         (Target_sparc::Scan::global): Use it.
5411         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
5412         (Target_sparc::Relocate::relocate): Likewise.
5413         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
5414         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
5415         (Target_x86_64::Scan::global): Likewise.
5416         (Target_x86_64::Relocate::relocate): Likewise.
5417
5418 2010-11-08  Doug Kwan  <dougkwan@google.com>
5419             Cary Coutant  <ccoutant@google.com>
5420
5421         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
5422         (Arm_exidx_merge_section::section_contents_): New data member.
5423         (Arm_input_section::Arm_input_section): Initialize original_contents_.
5424         (Arm_input_section::~Arm_input_section): De-allocate memory.
5425         (Arm_input_section::original_contents_): New data member.
5426         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
5427         in parameters instead of calling Object::section_contents without
5428         locking.
5429         (Arm_output_section::group_section): New parameter TASK.  Pass it
5430         to callees that need locking objects.
5431         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
5432         to lock EXIDX input sections.  Fix a formatting issue.  Call
5433         Arm_exidx_merged_section::build_contents to create merged section
5434         contents.
5435         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
5436         to lock object of stub table owner.
5437         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
5438         TEXT_SIZE to initialize data member TEXT_SIZE_.
5439         (Arm_exidx_input_section::addralign): Fix typo in comment.
5440         (Arm_exidx_input_section::text_size): New method.
5441         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
5442         that require locking objects.  Lock objects before scanning for stubs
5443         and updating local symbols.
5444         (Arm_input_section<big_endian>::init): Copy contents of original
5445         input section.
5446         (Arm_input_section<big_endian>::do_write): Use saved contents of
5447         original input section instead of calling Object::section_contents
5448         without locking.
5449         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
5450         size without calling Object::section_size().
5451         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
5452         for size.  Allocate a buffer for merged EXIDX entries.
5453         (Arm_exidx_merged_section::build_contents): New method.
5454         (Arm_exidx_merged_section::do_write): Move merge section contents
5455         building code to Arm_exidx_merged_section::build_contetns.  Write
5456         out contetns in buffer instead of building it on the fly.
5457         (Arm_relobj::make_exidx_input_section): Also pass text section size
5458         to Arm_exidx_input_section constructor.
5459         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
5460         (Arm_dynobj::do_read_symbols): Fix memory leak.
5461         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
5462         * target.h: (class Task): Add forward declaration.
5463         (Target::relax): Add new parameter TASK and pass it to
5464         Target::do_relax().
5465         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
5466
5467 2010-11-05  Cary Coutant  <ccoutant@google.com>
5468
5469         PR gold/10708
5470         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
5471         object when reading from the file.
5472         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
5473         second layout pass.
5474         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
5475         when reading section contents.
5476         (get_section_contents): Likewise.
5477         (icf::find_identical_sections): Likewise.
5478         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
5479         object when reading from the file.
5480         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
5481         the object when doing deferred section layout.
5482
5483 2010-11-03  Nick Clifton  <nickc@redhat.com>
5484
5485         PR gold/12001
5486         * script.h (class Symbol_assignment: name): New member.  Returns
5487         the name of the symbol.
5488         * scrfipt.cc (Script_options::is_pending_assignment): New member.
5489         Returns true if the given symbol name is on the list of
5490         assignments wating to be processed.
5491         * archive.cc (should_incldue_member): If the symbol is undefined,
5492         check to see if it is on the list of symbols pending assignment.
5493
5494 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
5495
5496         * script-sections.cc (Script_sections::find_memory_region): Check
5497         for a NULL output section pointer.
5498
5499 2010-10-29  Doug Kwan  <dougkwan@google.com>
5500
5501         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
5502         Output_section::add_relaxed_input_section.
5503         * output.cc (Output_section::add_relaxed_input_section): Add new
5504         arguments LAYOUT and NAME.  Set section order index.
5505         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5506         Copy section order index.
5507         * output.h (Output_section::add_relaxed_input_section): Add new
5508         arguments LAYOUT and NAME.
5509
5510 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5511
5512         * testsuite/Makefile.am: Move gcctestdir/ld rule to
5513         NATIVE_OR_CROSS_LINKER.
5514         * testsuite/Makefile.in: Regenerate.
5515
5516 2010-10-20  Doug Kwan  <dougkwan@google.com>
5517
5518         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
5519         without SHF_LINK_ORDER flags.
5520         * layout.cc (Layout::choose_output_section): Do not filter
5521         SHF_LINK_ORDER flag in a relocatable link.
5522
5523 2010-10-17  Cary Coutant  <ccoutant@google.com>
5524
5525         * output.h (Output_segment::set_section_addresses): Change function
5526         signature.  Update all callers.
5527         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
5528         sections.
5529         (Output_segment::set_section_addresses): Align after last TLS
5530         section.  Add padding before last relro section instead of after.
5531
5532 2010-10-17  Doug Kwan  <dougkwan@google.com>
5533
5534         * gold/arm.cc (Target_arm::got_section): Use correct order and set
5535         GOT output section to be writable.
5536
5537 2010-10-14  Cary Coutant  <ccoutant@google.com>
5538
5539         * debug.h (DEBUG_INCREMENTAL): New flag.
5540         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
5541         * gold.cc (queue_initial_tasks): Check parameters for incremental link
5542         mode.
5543         * incremental.cc (report_command_line): Ignore all forms of
5544         --incremental.
5545         * layout.cc (Layout::Layout): Check parameters for incremental link
5546         mode.
5547         * options.cc (General_options::parse_incremental): New function.
5548         (General_options::parse_no_incremental): New function.
5549         (General_options::parse_incremental_full): New function.
5550         (General_options::parse_incremental_update): New function.
5551         (General_options::incremental_mode_): New data member.
5552         (General_options::finalize): Check incremental_mode_.
5553         * options.h (General_options): Update help text for --incremental.
5554         Add --no-incremental, --incremental-full, --incremental-update.
5555         (General_options::Incremental_mode): New enum type.
5556         (General_options::incremental_mode): New function.
5557         (General_options::incremental_mode_): New data member.
5558         * parameters.cc (Parameters::incremental_mode_): New data member.
5559         (Parameters::set_options): Set incremental_mode_.
5560         (Parameters::set_incremental_full): New function.
5561         (Parameters::incremental): New function.
5562         (Parameters::incremental_update): New function.
5563         (set_parameters_incremental_full): New function.
5564         * parameters.h (Parameters::set_incremental_full): New function.
5565         (Parameters::incremental): New function.
5566         (Parameters::incremental_update): New function.
5567         (Parameters::incremental_mode_): New data member.
5568         (set_parameters_incremental_full): New function.
5569         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
5570         incremental link mode.
5571         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
5572         (Sized_relobj::do_relocate_sections): Likewise.
5573         * testsuite/Makefile.am (incremental_test): Use --incremental-full
5574         option.
5575         * testsuite/Makefile.in: Regenerate.
5576         * testsuite/incremental_test.sh: Filter all forms of --incremental.
5577
5578 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5579
5580         * script-sections.h (class Script_sections): Make
5581         Sections_elements typedef public.
5582         * script-sections.cc (class Sort_output_sections): Add elements_
5583         field.  Add constructor which sets it; change all callers.
5584         (Sort_output_sections::is_before): New function.
5585         (Sort_output_sections::operator()): Call is_before.
5586         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
5587         conditional.
5588         * testsuite/script_test_10.sh: New test. Test script section
5589         order.
5590         * testsuite/script_test_10.t: Likewise.
5591         * testsuite/script_test_10.s: Likewise.
5592         * testsuite/Makefile.am: Wrap the cross linker tests and the
5593         common tests into NATIVE_OR_CROSS_LINKER.
5594         (check_SCRIPTS): Add script_test_10.sh.
5595         (check_DATA): Add script_test_10.stdout.
5596         (script_test_10.o, script_test_10): New targets.
5597         (script_test_10.stdout): New target.
5598         * configure, testsuite/Makefile.in: Regenerate.
5599
5600 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5601
5602         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
5603         error for the deprecated relocations.
5604         (Target_arm::Scan::global): Likewise.
5605         (Target_arm::Relocate::relocate): Likewise.
5606
5607 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
5608
5609         * fileread.cc (Input_file::find_file): Initialize *found_name
5610         and *namep when using the fallback search for case 4.
5611
5612 2010-10-11  Cary Coutant  <ccoutant@google.com>
5613
5614         * options.h (class General_options): Redefine -z lazy as an alias for
5615         the negation of -z now.
5616
5617 2010-10-11  Ian Lance Taylor  <iant@google.com>
5618
5619         * resolve.cc (symbol_to_bits): Report the value of the unsupported
5620         binding.
5621
5622 2010-10-06  Nick Clifton  <nickc@redhat.com>
5623
5624         * script-sections.cc(class Memory_region): Remove
5625         current_lma_offset_ field.  Rename current_vma_offset_ to
5626         current_offset_.  Add last_section_ field.
5627         (Memory_region::get_current_vma_address): Rename to
5628         get_current_address.
5629         (Memory_region::get_current_lma_address): Delete.
5630         (Memory_region::increment_vma_offset): Rename to
5631         increment_offset.
5632         (Memory_region::increment_lma_offset): Delete.
5633         (Memory_region::attributes_compatible): New method.  Returns
5634         true if the provided section is compatible with the region.
5635         (Memory_region::get_last_section): New method.  Returns the last
5636         section to use the region.
5637         (Memory_region::set_last_section): New method.  Stores the last
5638         section to use the region.
5639         (Script_sections::block_in_region): New method.  Returns true if
5640         a block of memory is contained within a region.
5641         (Script_sections::find_memory_region): New method.  Locates a
5642         memory region to be used to set a VMA or LMA address.
5643         (Output_section_definition::set_section_addresses): Add code to
5644         check for addresses set by memory regions.
5645         (Output_segment::set_section_addresses): Remove memory region
5646         walking code.
5647         (Script_sections::create_segment): Add a warning if a header
5648         segment is created outside of any region.
5649         * script-sections.h (class Script_sections): Add prototypes for
5650         find_memory_region and block_in_region methods.
5651         * testsuite/memory_test.s: Use .long instead of .word.
5652         * testsuite/memory_test.t: Add some more output sections.
5653         * testsuite/memory_test.sh: Update expected output.
5654
5655 2010-10-02  Doug Kwan  <dougkwan@google.com>
5656
5657         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
5658         defintion to symtab.h
5659         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
5660         declaration to defintion.
5661
5662 2010-10-01  Nick Clifton  <nickc@redhat.com>
5663
5664         * expression.cc (eval): Replace dummy argument with NULL.
5665         (eval_maybe_dot): Check for a NULL result section pointer.
5666         (Symbol_expression::value): Likewise.
5667         (Dot_expression::value): Likewise.
5668         (BINARY_EXPRESSION): Likewise.
5669         (Max_expression::value): Likewise.
5670         (Min_expression::value): Likewise.
5671         (Absolute_expression::value): Likewise.
5672         (Addr_expression::value_from_output_section): Likewise.
5673         (Loaddddr_expression::value_from_output_section): Likewise.
5674         (Segment_start_expression::value): Likewise.
5675         * script-sections.cc
5676         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
5677         argument with NULL.
5678         (Sections_elememt_dot_assignment::set_section_addresses):
5679         Likewise.
5680         (Output_data_expression::do_write_to_buffer): Likewise.
5681         (Output_section_definition::finalize_symbols): Likewise.
5682         (Output_section_definition::set_section_addresses): Likewise.
5683
5684 2010-09-30  Doug Kwan  <dougkwan@google.com>
5685
5686         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
5687
5688 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
5689
5690         * target.h (Target::can_icf_inline_merge_sections): New virtual
5691         function.
5692         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
5693         virtual function.
5694         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
5695         virtual function.
5696         * icf.cc (get_section_contents): Inline merge sections only when
5697         target allows it.
5698
5699 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5700
5701         * configure: Regenerate.
5702
5703 2010-09-17  Ian Lance Taylor  <iant@google.com>
5704
5705         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
5706         * testsuite/Makefile.am (memory_test.o): New target.
5707         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
5708         memory_test.t.
5709         * testsuite/Makefile.in: Rebuild.
5710
5711 2010-09-17  Doug Kwan  <dougkwan@google.com>
5712
5713         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
5714         defintion if relocation uses GOT entries of the symbol.
5715         * testsuite/icf_safe_test.sh: Fix test.
5716         * testsuite/icf_safe_so_test.sh: Fix test.
5717
5718 2010-09-16  Cary Coutant  <ccoutant@google.com>
5719
5720         * script_sections.cc (class Memory_region): Remove "NULL" from
5721         vector initializations.
5722
5723 2010-09-15  Cary Coutant  <ccoutant@google.com>
5724
5725         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
5726         Resolve forwarding symbols.
5727
5728 2010-09-15  Doug Kwan  <dougkwan@google.com>
5729
5730         * gold/testsuite/script_test_3.t: Add ARM special sections.
5731         * gold/testsuite/script_test_4.t: Same.
5732         * gold/testsuite/script_test_5.t: Same.
5733         * gold/testsuite/script_test_6.t: Same.
5734         * gold/testsuite/script_test_7.t: Same.
5735         * gold/testsuite/script_test_7.t: Same.
5736         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
5737
5738 2010-09-14  Cary Coutant  <ccoutant@google.com>
5739
5740         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
5741         (Target_x86_64::Relocate::relocate_tls): Replace check for
5742         saw_tls_block_reloc_ with test for executable section.
5743
5744 2010-09-12  Cary Coutant  <ccoutant@google.com>
5745
5746         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
5747         position-independent executables to shared libraries need dynamic
5748         relocations.
5749         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
5750         position-independent executables.
5751         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
5752         * testsuite/Makefile.in: Regenerate.
5753
5754 2010-09-10  Nick Clifton  <nickc@redhat.com>
5755
5756         PR gold/11997
5757         * testsuite/memory_test.t: Discard any sections that are not
5758         needed.
5759
5760 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
5761
5762         PR gold/11996
5763         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
5764         "This::" to work around a bug in gcc 4.2.
5765
5766         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
5767
5768 2010-09-09  Rafael Espindola  <espindola@google.com>
5769
5770         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
5771         sections with different PF_X flags in the same segment.
5772         (Layout::find_first_load_seg): Search all segments to find the first
5773         one.
5774         * options.h (rosegment): New.
5775
5776 2010-09-08  Rafael Espindola  <espindola@google.com>
5777
5778         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
5779
5780 2010-09-08  Doug Kwan  <dougkwan@google.com>
5781
5782         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
5783         (Arm_relobj::do_relocate_sections): Add new parameter for output
5784         file to match the parent.
5785         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
5786         of local symbols instead of input values.  Update code to track
5787         changes in gold::relocate_section.
5788         * object.cc (Sized_relobj::compute_final_local_value): New methods.
5789         (Sized_relobj::compute_final_local_value_internal): New methods.
5790         (Sized_relobj::do_finalize_local_symbols): Move code from loop
5791         body into private version of Sized_relobj::compute_final_local_value.
5792         Call the inline method.
5793         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
5794         merged symbol value if there is one.
5795         (Symbol_value::has_output_value): New method defintiion.
5796         (Sized_relobj::Compute_final_local_value_status): New enum type.
5797         (Sized_relobj::compute_final_local_value): New methods.
5798         (Sized_relobj::compute_final_local_value_internal): New methods.
5799         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5800         and arm_cortex_a8.sh.
5801         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5802         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5803         New tests.
5804         * Makefile.in: Regenerate.
5805         * testsuite/arm_bl_out_of_range.s: Update test.
5806         * testsuite/thumb_bl_out_of_range.s: Ditto.
5807         * testsuite/thumb_blx_out_of_range.s: Ditto.
5808         * testsuite/arm_branch_out_of_range.sh: New file.
5809         * testsuite/arm_cortex_a8.sh: Ditto.
5810         * testsuite/arm_cortex_a8_b.s: Ditto.
5811         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5812         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5813         * testsuite/arm_cortex_a8_bl.s: Ditto.
5814         * testsuite/arm_cortex_a8_blx.s: Ditto.
5815         * testsuite/arm_cortex_a8_local.s: Ditto.
5816         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5817         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5818
5819 2010-09-08  Rafael Espindola  <espindola@google.com>
5820
5821         * Makefile.am (memory_test.stdout): Run readelf with -W.
5822         * Makefile.in: Regenerate.
5823         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5824         64 bit output.
5825
5826 2010-09-08  Rafael Espindola  <espindola@google.com>
5827
5828         * script-sections.cc (Script_sections::add_memory_region): Convert
5829         field precision to int.
5830         * script.cc (script_set_section_region, script_set_section_region):
5831         Convert field precision to int.
5832
5833 2010-09-08  Rafael Espindola  <espindola@google.com>
5834
5835         * arm.cc (do_finalize_sections): Create the __exidx_start and
5836         __exdix_end symbols even when the section is missing.
5837
5838 2010-09-08  Nick Clifton  <nickc@redhat.com>
5839
5840         * README: Remove claim that MEMORY is not supported.
5841         * expression.cc (script_exp_function_origin)
5842         (script_exp_function_length): Move from here to ...
5843         * script.cc: ... here.
5844         (script_set_section_region, script_add_memory)
5845         (script_parse_memory_attr, script_include_directive): New
5846         functions.
5847         * script-sections.cc
5848         (class Memory_region): New class.
5849         (class Output_section_definition): Add set_memory_region,
5850         set_section_vma, set_section_lma and get_section_name methods.
5851         (class Script_Sections): Add add_memory_region,
5852         find_memory_region, find_memory_region_origin,
5853         find_memory_region_length and set_memory_region methods.
5854         Have set_section_addresses method walk the list of set memory
5855         regions.
5856         Extend the print methos to display memory regions.
5857         * script-sections.h: Add prototypes for new methods.
5858         Add enum for MEMORY region attributes.
5859         * yyscript.y: Add support for parsing MEMORY regions.
5860         * script-c.h: Add prototypes for new functions.
5861         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5862         * testsuite/Makefile.in: Regenerate.
5863         * testsuite/memory_test.sh: New script.
5864         * testsuite/memory_test.s: New assembler source file.
5865         * testsuite/memory_test.t: New linker script.
5866
5867 2010-08-27  Doug Kwan  <dougkwan@google.com>
5868
5869         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5870         reference override an existing dynamic weak reference.
5871         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5872         * testsuite/Makefile.in: Regenerate.
5873         * testsuite/dyn_weak_ref.sh: New file.
5874         * testsuite/dyn_weak_ref_1.c: Ditto.
5875         * testsuite/dyn_weak_ref_2.c: Ditto.
5876
5877 2010-08-27  Ian Lance Taylor  <iant@google.com>
5878
5879         * incremental.h (class Incremental_input_entry): Add virtual
5880         destructor.
5881
5882 2010-08-27  Ian Lance Taylor  <iant@google.com>
5883
5884         * testsuite/start_lib_test_3.c: Mark t3 as used.
5885
5886 2010-08-27  Nick Clifton  <nickc@redhat.com>
5887
5888         * options.cc (version_script): Fix small typo in previous
5889         whitespace tidyup.
5890
5891 2010-08-25  Nick Clifton  <nickc@redhat.com>
5892
5893         * archive.cc: Formatting fixes: Remove whitespace between
5894         typename and following asterisk.  Remove whitespace between
5895         function name and opening parenthesis.
5896         * archive.h: Likewise.
5897         * arm.cc: Likewise.
5898         * attributes.cc: Likewise.
5899         * attributes.h: Likewise.
5900         * common.cc: Likewise.
5901         * copy-relocs.cc: Likewise.
5902         * dirsearch.h: Likewise.
5903         * dynobj.cc: Likewise.
5904         * ehframe.cc: Likewise.
5905         * ehframe.h: Likewise.
5906         * expression.cc: Likewise.
5907         * fileread.cc: Likewise.
5908         * fileread.h: Likewise.
5909         * gc.h: Likewise.
5910         * gold-threads.cc: Likewise.
5911         * gold.cc: Likewise.
5912         * i386.cc: Likewise.
5913         * icf.h: Likewise.
5914         * incremental-dump.cc: Likewise.
5915         * incremental.cc: Likewise.
5916         * layout.cc: Likewise.
5917         * layout.h: Likewise.
5918         * main.cc: Likewise.
5919         * merge.cc: Likewise.
5920         * merge.h: Likewise.
5921         * object.cc: Likewise.
5922         * object.h: Likewise.
5923         * options.cc: Likewise.
5924         * options.h: Likewise.
5925         * output.cc: Likewise.
5926         * output.h: Likewise.
5927         * plugin.cc: Likewise.
5928         * plugin.h: Likewise.
5929         * powerpc.cc: Likewise.
5930         * reloc.cc: Likewise.
5931         * script-c.h: Likewise.
5932         * script-sections.cc: Likewise.
5933         * script.cc: Likewise.
5934         * stringpool.cc: Likewise.
5935         * symtab.cc: Likewise.
5936         * symtab.h: Likewise.
5937         * target.cc: Likewise.
5938         * timer.cc: Likewise.
5939         * timer.h: Likewise.
5940         * version.cc: Likewise.
5941         * x86_64.cc: Likewise.
5942
5943 2010-08-24  Nick Clifton  <nickc@redhat.com>
5944
5945         PR 11899
5946         * layout.cc (segment_precedes): Sort segments by their physical
5947         addresses, if they have been set.
5948
5949 2010-08-23  Cary Coutant  <ccoutant@google.com>
5950
5951         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5952         symbols data.
5953         (Lib_group::include_member): Unlock object after deleting its
5954         symbols data.
5955         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5956         the bug fixed here.
5957
5958 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5959             Cary Coutant  <ccoutant@google.com>
5960
5961         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5962         constructor, and set_blocker.
5963         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5964         readsyms_blocker_.
5965         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5966         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5967         * testsuite/Makefile.am (start_lib_test): New test case.
5968         * testsuite/Makefile.in: Regenerate.
5969         * testsuite/start_lib_test_main.c: New file.
5970         * testsuite/start_lib_test_1.c: New file.
5971         * testsuite/start_lib_test_2.c: New file.
5972         * testsuite/start_lib_test_3.c: New file.
5973
5974 2010-08-19  Ian Lance Taylor  <iant@google.com>
5975
5976         * Makefile.in: Rebuild with automake 1.11.1.
5977         * aclocal.m4: Likewise.
5978         * testsuite/Makefile.in: Likewise.
5979
5980 2010-08-19  Ian Lance Taylor  <iant@google.com>
5981
5982         PR 10893
5983         * i386.cc (class Output_data_plt_i386): Update declarations.
5984         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5985         local_ifuncs_ fields.
5986         (Target_i386::do_plt_section_for_global): New function.
5987         (Target_i386::do_plt_section_for_local): New function.
5988         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5989         parameter; change all callers.  Initialize global_ifuncs_ and
5990         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5991         __rel_iplt_end.
5992         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5993         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5994         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5995         symbols.
5996         (Target_i386::make_plt_section): New function, broken out of
5997         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5998         (Target_i386::make_plt_entry): Call make_plt_section.
5999         (Target_i386::make_local_ifunc_plt_entry): New function.
6000         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
6001         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
6002         R_386_IRELATIVE to switch.
6003         (Target_i386::Scan::global): Likewise.
6004         (Target_i386::Relocate::relocate): Likewise.
6005         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
6006         switch.
6007         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
6008         (Target_x86_64::do_plt_section_for_global): New function.
6009         (Target_x86_64::do_plt_section_for_local): New function.
6010         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
6011         parameter; change all callers.  If doing a static link define
6012         __rela_iplt_start and __rela_iplt_end.
6013         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
6014         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
6015         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
6016         to point to .plt.
6017         (Target_x86_64::make_local_ifunc_plt_entry): New function.
6018         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
6019         switch.
6020         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
6021         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
6022         R_X86_64_IRELATIVE to switch.
6023         (Target_x86_64::Scan::global): Likewise.
6024         (Target_x86_64::Relocate::relocate): Likewise.
6025         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
6026         switch.
6027         * target.h (class Target): Add plt_section_for_global and
6028         plt_section_for_local functions.  Add do_plt_section_for_global
6029         and do_plt_section_for_local virtual functions.
6030         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
6031         clarifying comments.
6032         (Symbol::use_plt_offset): Handle IFUNC symbol.
6033         * object.cc (Sized_relobj::Sized_relobj): Initialize
6034         local_plt_offsets_.
6035         (Sized_relobj::local_has_plt_offset): New function.
6036         (Sized_relobj::local_plt_offset): New function.
6037         (Sized_relobj::set_local_plt_offset): New function.
6038         (Sized_relobj::do_count): Handle IFUNC symbol.
6039         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
6040         a bit away from input_shndx_ field.  Add set_is_func_symbol and
6041         is_ifunc_symbol functions.
6042         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
6043         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
6044         local_plt_offsets_ field.
6045         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
6046         * output.h (class Output_section_data): Add non-const
6047         output_section function.
6048         (class Output_data_got): Update declarations.
6049         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
6050         Add use_plt_offset parameter to global and local constructors.
6051         Change all callers.  Change local_sym_index_ field to 31 bits.
6052         Change GSYM_CODE and CONSTANT_CODE accordingly.
6053         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
6054         doing a static link don't set sh_link field.
6055         (Output_data_got::Got_entry::write): Use PLT offset if
6056         appropriate.
6057         (Output_data_got::add_global_plt): New function.
6058         (Output_data_got::add_local_plt): New function.
6059         * target-reloc.h (relocate_section): Handle IFUNC symbol.
6060         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
6061         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
6062         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
6063         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
6064         IFUNC conditional.
6065         * testsuite/ifunc-sel.h: New file.
6066         * testsuite/ifuncmain1.c: New file.
6067         * testsuite/ifuncmain1vis.c: New file.
6068         * testsuite/ifuncmod1.c: New file.
6069         * testsuite/ifuncdep2.c: New file.
6070         * testsuite/ifuncmain2.c: New file.
6071         * testsuite/ifuncmain3.c: New file.
6072         * testsuite/ifuncmod3.c: New file.
6073         * testsuite/ifuncmain4.c: New file.
6074         * testsuite/ifuncmain5.c: New file.
6075         * testsuite/ifuncmod5.c: New file.
6076         * testsuite/ifuncmain6pie.c: New file.
6077         * testsuite/ifuncmod6.c: New file.
6078         * testsuite/ifuncmain7.c: New file.
6079         * configure, testsuite/Makefile.in: Rebuild.
6080
6081 2010-08-18  Ian Lance Taylor  <iant@google.com>
6082
6083         * incremental.cc
6084         (Output_section_incremental_inputs::write_input_files): Add cast
6085         to avoid signed/unsigned comparison warning.
6086         (Output_section_incremental_inputs::write_info_blocks): Likewise.
6087
6088 2010-08-12  Cary Coutant  <ccoutant@google.com>
6089
6090         * common.cc (Sort_commons::operator()): Remove unnecessary code.
6091
6092 2010-08-13  Ian Lance Taylor  <iant@google.com>
6093
6094         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
6095
6096 2010-08-12  Cary Coutant  <ccoutant@google.com>
6097             Doug Kwan  <dougkwan@google.com>
6098
6099         * resolve.cc (Symbol_table::should_override): When a weak dynamic
6100         defintion overrides non-weak undef, remember that the original undef
6101         is not weak.
6102         * symtab.cc (Symbol_table::sized_write_global): For undef without
6103         an original weak binding, set binding to global in output.
6104         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
6105         * testsuite/Makefile.in: Regenerate.
6106         * testsuite/strong_ref_weak_def.sh: New file.
6107         * testsuite/strong_ref_weak_def_1.c: Ditto.
6108         * testsuite/strong_ref_weak_def_2.c: Ditto.
6109
6110 2010-08-12  Cary Coutant  <ccoutant@google.com>
6111
6112         * testsuite/incremental_test.sh: Rewrite.
6113         * testsuite/incremental_test_1.c: Rewrite.
6114         * testsuite/incremental_test_2.c: Rewrite.
6115
6116 2010-08-12  Cary Coutant  <ccoutant@google.com>
6117
6118         * arm.cc (Target_arm::got_size): Add const.
6119         (Target_arm::got_entry_count): New function.
6120         (Target_arm::plt_entry_count): New function.
6121         (Target_arm::first_plt_entry_offset): New function.
6122         (Target_arm::plt_entry_size): New function.
6123         (Output_data_plt_arm::entry_count): New function.
6124         (Output_data_plt_arm::first_plt_entry_offset): New function.
6125         (Output_data_plt_arm::get_plt_entry_size): New function.
6126         * i386.cc (Target_i386::got_size): Add const.
6127         (Target_i386::got_entry_count): New function.
6128         (Target_i386::plt_entry_count): New function.
6129         (Target_i386::first_plt_entry_offset): New function.
6130         (Target_i386::plt_entry_size): New function.
6131         (Output_data_plt_i386::entry_count): New function.
6132         (Output_data_plt_i386::first_plt_entry_offset): New function.
6133         (Output_data_plt_i386::get_plt_entry_size): New function.
6134         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
6135         find_incremental_inputs_sections.  Dump incremental_got_plt section.
6136         * incremental.cc: Include target.h.
6137         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
6138         parameter.  Adjust all callers.  Find incremental_got_plt section.
6139         (Incremental_inputs::create_data_sections): Create incremental_got_plt
6140         section.
6141         (Output_section_incremental_inputs::set_final_data_size): Calculate
6142         size of incremental_got_plt section.
6143         (Output_section_incremental_inputs::do_write): Write the
6144         incremental_got_plt section.
6145         (Got_plt_view_info): New struct.
6146         (Local_got_offset_visitor): New class.
6147         (Global_got_offset_visitor): New class.
6148         (Global_symbol_visitor_got_plt): New class.
6149         (Output_section_incremental_inputs::write_got_plt): New function.
6150         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
6151         Add parameter.  Adjust all callers.
6152         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
6153         (Incremental_inputs::got_plt_section): New function.
6154         (Incremental_inputs::got_plt_section_): New data member.
6155         (Incremental_got_plt_reader): New class.
6156         * layout.cc (Layout::create_incremental_info_sections): Add the
6157         incremental_got_plt section.
6158         * object.h (Got_offset_list::get_list): New function.
6159         (Got offset_list::for_all_got_offsets): New function.
6160         (Sized_relobj::local_got_offset_list): New function.
6161         * powerpc.cc (Target_powerpc::got_size): Add const.
6162         (Target_powerpc::got_entry_count): New function.
6163         (Target_powerpc::plt_entry_count): New function.
6164         (Target_powerpc::first_plt_entry_offset): New function.
6165         (Target_powerpc::plt_entry_size): New function.
6166         (Output_data_plt_powerpc::entry_count): New function.
6167         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
6168         (Output_data_plt_powerpc::get_plt_entry_size): New function.
6169         * sparc.cc (Target_sparc::got_size): Add const.
6170         (Target_sparc::got_entry_count): New function.
6171         (Target_sparc::plt_entry_count): New function.
6172         (Target_sparc::first_plt_entry_offset): New function.
6173         (Target_sparc::plt_entry_size): New function.
6174         (Output_data_plt_sparc::entry_count): New function.
6175         (Output_data_plt_sparc::first_plt_entry_offset): New function.
6176         (Output_data_plt_sparc::get_plt_entry_size): New function.
6177         * symtab.h (Symbol::got_offset_list): New function.
6178         (Symbol_table::for_all_symbols): New function.
6179         * target.h (Sized_target::got_entry_count): New function.
6180         (Sized_target::plt_entry_count): New function.
6181         (Sized_target::plt_entry_size): New function.
6182         * x86_64.cc (Target_x86_64::got_size): Add const.
6183         (Target_x86_64::got_entry_count): New function.
6184         (Target_x86_64::plt_entry_count): New function.
6185         (Target_x86_64::first_plt_entry_offset): New function.
6186         (Target_x86_64::plt_entry_size): New function.
6187         (Output_data_plt_x86_64::entry_count): New function.
6188         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
6189         (Output_data_plt_x86_64::get_plt_entry_size): New function.
6190
6191 2010-08-12  Cary Coutant  <ccoutant@google.com>
6192
6193         * archive.cc: Include incremental.h.
6194         (Archive::Archive): Initialize incremental_info_.
6195         (Archive::include_member): Record archive members in incremental info.
6196         (Add_archive_symbols::run): Record begin and end of an archive in
6197         incremental info.
6198         (Lib_group::include_member): Record objects in incremental info.
6199         * archive.h (Incremental_archive_entry): Forward declaration.
6200         (Archive::set_incremental_info): New member function.
6201         (Archive::incremental_info): New member function.
6202         (Archive::Unused_symbol_iterator): New class.
6203         (Archive::unused_symbols_begin): New member function.
6204         (Archive::unused_symbols_end): New member function.
6205         (Archive::incremental_info_): New data member.
6206         * incremental-dump.cc (find_input_containing_global): New function.
6207         (dump_incremental_inputs): Dump new incremental info sections.
6208         * incremental.cc: Include symtab.h.
6209         (Output_section_incremental_inputs): New class.
6210         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
6211         new incremental info sections.
6212         (Sized_incremental_binary::do_check_inputs): Likewise.
6213         (Incremental_inputs::report_archive): Remove.
6214         (Incremental_inputs::report_archive_begin): New function.
6215         (Incremental_inputs::report_archive_end): New function.
6216         (Incremental_inputs::report_object): New function.
6217         (Incremental_inputs::finalize_inputs): Remove.
6218         (Incremental_inputs::report_input_section): New function.
6219         (Incremental_inputs::report_script): Rewrite.
6220         (Incremental_inputs::finalize): Do nothing but finalize string table.
6221         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
6222         (Incremental_inputs::sized_create_inputs_section_data): Remove.
6223         (Incremental_inputs::create_data_sections): New function.
6224         (Incremental_inputs::relocs_entsize): New function.
6225         (Output_section_incremental_inputs::set_final_data_size): New function.
6226         (Output_section_incremental_inputs::do_write): New function.
6227         (Output_section_incremental_inputs::write_header): New function.
6228         (Output_section_incremental_inputs::write_input_files): New function.
6229         (Output_section_incremental_inputs::write_info_blocks): New function.
6230         (Output_section_incremental_inputs::write_symtab): New function.
6231         * incremental.h (Incremental_script_entry): Forward declaration.
6232         (Incremental_object_entry): Forward declaration.
6233         (Incremental_archive_entry): Forward declaration.
6234         (Incremental_inputs): Forward declaration.
6235         (Incremental_inputs_header_data): Remove.
6236         (Incremental_inputs_header): Remove.
6237         (Incremental_inputs_header_write): Remove.
6238         (Incremental_inputs_entry_data): Remove.
6239         (Incremental_inputs_entry): Remove.
6240         (Incremental_inputs_entry_write): Remove.
6241         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
6242         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
6243         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
6244         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
6245         Likewise.
6246         (Incremental_input_entry): New class.
6247         (Incremental_script_entry): New class.
6248         (Incremental_object_entry): New class.
6249         (Incremental_archive_entry): New class.
6250         (Incremental_inputs::Incremental_inputs): Initialize new data members.
6251         (Incremental_inputs::report_inputs): Remove.
6252         (Incremental_inputs::report_archive): Remove.
6253         (Incremental_inputs::report_archive_begin): New function.
6254         (Incremental_inputs::report_archive_end): New function.
6255         (Incremental_inputs::report_object): Change prototype.
6256         (Incremental_inputs::report_input_section): New function.
6257         (Incremental_inputs::report_script): Change prototype.
6258         (Incremental_inputs::get_reloc_count): New function.
6259         (Incremental_inputs::set_reloc_count): New function.
6260         (Incremental_inputs::create_data_sections): New function.
6261         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
6262         (Incremental_inputs::inputs_section): New function.
6263         (Incremental_inputs::symtab_section): New function.
6264         (Incremental_inputs::relocs_section): New function.
6265         (Incremental_inputs::get_stringpool): Add const.
6266         (Incremental_inputs::command_line): Add const.
6267         (Incremental_inputs::inputs): Remove.
6268         (Incremental_inputs::command_line_key): New function.
6269         (Incremental_inputs::input_file_count): New function.
6270         (Incremental_inputs::input_files): New function.
6271         (Incremental_inputs::relocs_entsize): New function.
6272         (Incremental_inputs::sized_create_inputs_section_data): Remove.
6273         (Incremental_inputs::finalize_inputs): Remove.
6274         (Incremental_inputs::Input_info): Remove.
6275         (Incremental_inputs::lock_): Remove.
6276         (Incremental_inputs::inputs_): Change type.
6277         (Incremental_inputs::inputs_map_): Remove.
6278         (Incremental_inputs::current_object_entry_): New data member.
6279         (Incremental_inputs::inputs_section_): New data member.
6280         (Incremental_inputs::symtab_section_): New data member.
6281         (Incremental_inputs::relocs_section_): New data member.
6282         (Incremental_inputs::reloc_count_): New data member.
6283         (Incremental_inputs_reader): New class.
6284         (Incremental_symtab_reader): New class.
6285         (Incremental_relocs_reader): New class.
6286         * layout.cc (Layout::finalize): Move finalization of incremental info
6287         and creation of incremental info sections to follow finalization of
6288         symbol table.  Set offsets for postprocessing sections.
6289         (Layout::create_incremental_info_sections): Call
6290         Incremental_inputs::create_data_sections.  Add incremental symtab
6291         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
6292         sections to layout after input sections.
6293         * layout.h (struct Timespec): Forward declaration.
6294         (Layout::incremental_inputs): Add const.
6295         (Layout::create_incremental_info_sections): Add parameter.
6296         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
6297         * object.cc: Include incremental.h.
6298         (Relobj::finalize_incremental_relocs): New function.
6299         (Sized_relobj::do_layout): Record input sections in incremental info.
6300         * object.h (Object::output_section): New function.
6301         (Object::output_section_offset): Moved from Relobj.
6302         (Object::get_incremental_reloc_base): New function.
6303         (Object::get_incremental_reloc_count): New function.
6304         (Object::do_output_section): New function.
6305         (Object::do_output_section_offset): Moved from Relobj.
6306         (Object::do_get_incremental_reloc_base): New function.
6307         (Object::do_get_incremental_reloc_count): New function.
6308         (Object::Object): Initialize new data members.
6309         (Relobj::output_section): Renamed do_output_section and moved to
6310         protected.
6311         (Relobj::output_section_offset): Moved to Object.
6312         (Relobj::do_get_incremental_reloc_base): New function.
6313         (Relobj::do_get_incremental_reloc_count): New function.
6314         (Relobj::allocate_incremental_reloc_counts): New function.
6315         (Relobj::count_incremental_reloc): New function.
6316         (Relobj::finalize_incremental_relocs): New function.
6317         (Relobj::next_incremental_reloc_index): New function.
6318         (Relobj::reloc_counts_): New data member.
6319         (Relobj::reloc_bases_): New data member.
6320         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
6321         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
6322         (Sized_relobj::incremental_relocs_scan): New function.
6323         (Sized_relobj::incremental_relocs_scan_reltype): New function.
6324         (Sized_relobj::incremental_relocs_write): New function.
6325         (Sized_relobj::incremental_relocs_write_reltype): New function.
6326         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
6327         incremental link.
6328         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
6329         archives and object files elsewhere.
6330         (Add_symbols::run): Report object files here.
6331         (Finish_group::run): Report end of archive at end of group.
6332         * reloc.cc: Include layout.h, incremental.h.
6333         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
6334         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
6335         (Sized_relobj::incremental_relocs_scan): New function.
6336         (Sized_relobj::incremental_relocs_scan_reltype): New function.
6337         (Sized_relobj::do_relocate_sections): Write incremental relocations.
6338         (Sized_relobj::incremental_relocs_write): New function.
6339         (Sized_relobj::incremental_relocs_write_reltype): New function.
6340         * script.cc (read_input_script): Rewrite test for incremental link.
6341         Change call to Incremental_inputs::report_script.
6342         * symtab.h (Symbol_table::first_global_index): New function.
6343         (Symbol_table::output_count): New function.
6344
6345 2010-08-12  Doug Kwan  <dougkwan@google.com>
6346
6347         * arm.cc (Target_arm::merge_object_attributes): Check command line
6348         options --no-wchar-size-warning and --no-enum-size-warning.
6349         * options.h (General_options): Add ld-compatible options
6350         --no-enum-size-warning and --no-wchar-size-warning.
6351
6352 2010-08-04  Ian Lance Taylor  <iant@google.com>
6353
6354         * x86_64.cc (Target_x86_64::Scan::local): Use
6355         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
6356         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
6357         (Target_x86_64::Scan::global): Likewise.
6358         (Target_x86_64::Relocate::relocate): Likewise.
6359         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
6360         Likewise.
6361
6362 2010-08-03  Cary Coutant  <ccoutant@google.com>
6363
6364         * merge.cc (Output_merge_string::do_add_input_section): Count strings
6365         to reserve space in merged_strings vector. Keep total input size
6366         for stats.
6367         (Output_merge_string::do_print_merge_stats): Print total input size.
6368         * merge.h (Output_merge_string): Add input_size_ field.
6369         * stringpool.cc (Stringpool_template::string_length): Move
6370         implementations out of Stringpool_template class and place in
6371         stringpool.h.
6372         * stringpool.h (string_length): Move out of Stringpool_template.
6373
6374 2010-08-03  Ian Lance Taylor  <iant@google.com>
6375
6376         PR 11712
6377         * layout.cc (relaxation_loop_body): If address of load segment is
6378         set, adjust address to include headers if possible.
6379
6380 2010-08-03  Ian Lance Taylor  <iant@google.com>
6381
6382         * version.cc (version_string): Bump to 1.10.
6383
6384 2010-08-03  Ian Lance Taylor  <iant@google.com>
6385
6386         PR 11805
6387         * layout.h (enum Output_section_order): Define.
6388         (class Layout): Update declarations.
6389         * layout.cc (Layout::get_output_section): Add order parameter.
6390         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
6391         is_first_non_relro parameters.  Change all callers.
6392         (Layout::choose_output_section): Likewise.
6393         (Layout::add_output_section_data): Likewise.
6394         (Layout::make_output_section): Likewise.  Set order.
6395         (Layout::default_section_order): New function.
6396         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
6397         * output.cc (Output_section::Output_section): Initialize order_.
6398         Don't initialize deleted fields.
6399         (Output_segment::Output_segment): Don't initialize deleted
6400         fields.
6401         (Output_segment::add_output_section_to_load): New function
6402         replacing add_output_section.  Change all callers to call this or
6403         add_output_section_to_nonload.
6404         (Output_segment::add_output_section_to_nonload): New function.
6405         (Output_segment::remove_output_section): Rewrite.
6406         (Output_segment::add_initial_output_data): Likewise.
6407         (Output_segment::has_any_data_sections): Likewise.
6408         (Output_segment::is_first_section_relro): Likewise.
6409         (Output_segment::maximum_alignment): Likewise.
6410         (Output_segment::has_dynamic_reloc): New function replacing
6411         dynamic_reloc_count.  Change all callers.
6412         (Output_segment::has_dynamic_reloc_list): New function replacing
6413         dynamic_reloc_count_list.  Change all callers.
6414         (Output_segment::set_section_addresses): Rewrite.
6415         (Output_segment::set_offset): Rewrite.
6416         (Output_segment::find_first_and_last_list): Remove.
6417         (Output_segment::set_tls_offsets): Rewrite.
6418         (Output_segment::first_section_load_address): Likewise.
6419         (Output_segment::output_section_count): Likewise.
6420         (Output_segment::section_with_lowest_load_address): Likewise.
6421         (Output_segment::write_section_headers): Likewise.
6422         (Output_segment::print_sections_to_map): Likewise.
6423         * output.h (class Output_data): Remove dynamic_reloc_count_
6424         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
6425         (Output_data::add_dynamic_reloc): Rewrite.
6426         (Output_data::has_dynamic_reloc): New function.
6427         (Output_data::dynamic_reloc_count): Remove.
6428         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
6429         is_last_relro_, is_first_non_relro_, is_interp_,
6430         is_dynamic_linker_section_ fields.  Add order and set_order
6431         functions.  Remove is_relro_local, set_is_relro_local,
6432         is_last_relro, set_is_last_relro, is_first_non_relro,
6433         set_is_first_non_relro functions, is_interp, set_is_interp,
6434         is_dynamic_linker_section, and set_is_dynamic_linker_section
6435         functions.
6436         (class Output_segment): Change Output_data_list from std::list to
6437         std:;vector.  Add output_lists_ field.  Remove output_data_ and
6438         output_bss_ fields.  Update declarations.
6439
6440 2010-08-02  Ian Lance Taylor  <iant@google.com>
6441
6442         * arm.cc (Target_arm::gc_process_relocs): Use typename.
6443         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
6444         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
6445
6446 2010-08-02  Ian Lance Taylor  <iant@google.com>
6447
6448         PR 11855
6449         * script.cc (Script_options::Script_options): Initialize
6450         symbol_definitions_ and symbol_references_.
6451         (Script_options::add_symbol_assignment): Update
6452         symbol_definitions_ and symbol_references_.
6453         (Script_options::add_symbol_reference): New function.
6454         (script_symbol): New function.
6455         * script.h (class Script_options): Add symbol_definitions_ and
6456         symbol_references_ fields.
6457         (Script_options::referenced_const_iterator): New type.
6458         (Script_options::referenced_begin): New function.
6459         (Script_options::referenced_end): New function.
6460         (Script_options::is_referenced): New function.
6461         (Script_options::any_unreferenced): New function.
6462         * script-c.h (script_symbol): Declare.
6463         * yyscript.y (exp): Call script_symbol.
6464         * symtab.cc: Include "script.h".
6465         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
6466         Change all callers.  Check symbols referenced by scripts.
6467         (Symbol_table::add_undefined_symbols_from_command_line): Add
6468         layout parameter.  Change all callers.
6469         (Symbol_table::do_add_undefined_symbols_from_command_line):
6470         Likewise.  Break out loop body.  Check symbols referenced by
6471         scripts.
6472         (Symbol_table::add_undefined_symbol_from_command_line): New
6473         function broken out of
6474         do_add_undefined_symbols_from_command_line.
6475         * symtab.h (class Symbol_table): Update declarations.
6476         * archive.cc: Include "layout.h".
6477         (Archive::should_include_member): Add layout parameter.  Change
6478         all callers.  Check for symbol mentioned in expression.
6479         * archive.h (class Archive): Update declaration.
6480         * object.cc (Sized_relobj::do_should_include_member): Add layout
6481         parameter.
6482         * object.h (Object::should_include_member): Add layout parameter.
6483         Change all callers.
6484         (Object::do_should_include_member): Add layout parameter.
6485         (class Sized_relobj): Update declaration.
6486         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
6487         parameter.
6488         * dynobj.h (class Sized_dynobj): Update declaration.
6489         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
6490         layout parameter.
6491         * plugin.h (class Sized_pluginobj): Update declaration.
6492
6493 2010-08-02  Ian Lance Taylor  <iant@google.com>
6494
6495         PR 11866
6496         * output.cc (Output_segment::set_offset): Search for the first and
6497         last sections rather than assuming that the list is in order.
6498         (Output_segment::find_first_and_last_list): New function.
6499         * output.h (class Output_segment): Update declarations.
6500         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
6501         (relro_strip_test_SOURCES): New variable.
6502         (relro_strip_test_DEPENDENCIES): New variable.
6503         (relro_strip_test_LDFLAGS): New variable.
6504         (relro_strip_test_LDADD): New variable.
6505         (relro_strip_test.so): New target.
6506
6507 2010-08-02  Ian Lance Taylor  <iant@google.com>
6508
6509         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
6510         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
6511         (Target_i386::got_tlsdesc_section): New function.
6512         (Target_i386::got_section): Create space for GOT entries for
6513         TLSDESC relocations.
6514         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
6515         R_386_TLS_GOTDESC.
6516         (Target_i386::Scan::global): Likewise.
6517         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
6518         using TLSDESC GOT.
6519         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
6520         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
6521         (Target_x86_64::got_tlsdesc_section): New function.
6522         (Target_x86_64::got_section): Create space for GOT entries for
6523         TLSDESC relocations.
6524         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
6525         R_386_TLS_GOTDESC.
6526         (Target_x86_64::Scan::global): Likewise.
6527         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
6528         using TLSDESC GOT.
6529
6530 2010-08-02  Ian Lance Taylor  <iant@google.com>
6531
6532         * testsuite/final_layout.sh: Use dc to convert from hex to
6533         decimal.
6534
6535 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
6536
6537         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
6538         paramter to the call to gold::gc_process_relocs.
6539         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
6540         paramter to the call to gold::gc_process_relocs.
6541         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
6542         parameter to the call to gold::gc_process_relocs.
6543         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
6544         template parameter to the call to gold::gc_process_relocs.
6545         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
6546         paramter to the call to gold::gc_process_relocs.
6547         * gc.h (get_embedded_addend_size): New function.
6548         (gc_process_relocs): Save the size of the reloc for use by ICF.
6549         * icf.cc (get_section_contents): Get the addend from the text section
6550         for SHT_REL relocation sections.
6551         * icf.h (Icf::Reloc_addend_size_info): New typedef.
6552         (Icf::Reloc_info): Add new member reloc_addend_size_info.
6553         * int_encoding.h (read_from_pointer): New overloaded function.
6554         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
6555         * testsuite/icf_sht_rel_addend_test.sh: New file.
6556         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
6557         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
6558
6559 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6560
6561         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
6562         * Makefile.in: Regenerate.
6563         * testsuite/Makefile.in: Regenerate.
6564
6565 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
6566
6567         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
6568         * gold/testsuite/debug_msg.cc: Likewise.
6569         * gold/testsuite/odr_violation1.cc
6570         * gold/testsuite/odr_violation2.cc
6571
6572 2010-07-21  Cary Coutant  <ccoutant@google.com>
6573
6574         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
6575         string, and length fields.
6576         (Output_merge_string::Merged_strings_list): New type.
6577         (Output_merge_string::Merged_strings_lists): New typedef.
6578         (Output_merge_string): Replace merged_strings_ with
6579         merged_strings_lists_.
6580         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
6581         Merged_strings_list per input object and section.  Don't store pointer
6582         to the string.  Don't store length with each merged string entry.
6583         (Output_merge_string::finalize_merged_data): Loop over list of merged
6584         strings lists.  Recompute length of each merged string.
6585
6586 2010-07-15  Cary Coutant  <ccoutant@google.com>
6587
6588         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
6589         here.
6590
6591 2010-07-14  Ian Lance Taylor  <iant@google.com>
6592
6593         * descriptors.cc (Descriptors::open): Report correct name in error
6594         message.
6595
6596 2010-07-13  Doug Kwan  <dougkwan@google.com>
6597
6598         * arm.cc (Arm_input_section::Arm_input_section): For a
6599         SHT_ARM_EXIDX section, always keeps the input sections.
6600         (Arm_input_section::set_exidx_section_link): New method.
6601         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
6602         has_errors_ to false.
6603         (Arm_exidx_input_section::has_errors,
6604         Arm_exidx_input_section::set_has_errors): New methods.
6605         (Arm_exidx_input_section::has_errors_): New data member.
6606         (Arm_relobj::get_exidx_shndx_list): New method.
6607         (Arm_output_section::append_text_sections_to_list): Do not skip
6608         section without SHF_EXECINSTR.
6609         (Arm_output_section::fix_exidx_coverage): Skip input sections with
6610         errors.
6611         (Arm_relobj::make_exidx_input_section): Add new parameter for text
6612         section header.  Make error messages more verbose.  Check for
6613         a non-executable section linked to an EXIDX section.
6614         (Arm_relobj::do_read_symbols): Remove error checking, which has been
6615         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
6616         check that there is no deferred EXIDX section if we exit early.
6617         Instead of not making an EXIDX section in case of an error, make one
6618         and set the has_errors flag of it.
6619         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
6620         in a relocatable link.
6621         (Target_arm::do_relax): Look for the EXIDX output section instead of
6622         assuming that it is called .ARM.exidx.
6623         (Target_arm::fix_exidx_coverage): Add a new parameter for input
6624         section list.  Do not check for SHF_EXECINSTR section flags but
6625         skip any input section with errors.
6626         * output.cc (Output_section::Output_section): Initialize
6627         always_keeps_input_sections_ to false.
6628         (Output_section::add_input_section): Check for
6629         always_keeps_input_sections_.
6630         *  output.h (Output_section::always_keeps_input_sections,
6631         Output_section::set_always_keeps_input_sections): New methods.
6632         (Output_section::always_keeps_input_sections): New data member.
6633
6634 2010-07-13  Rafael Espindola  <espindola@google.com>
6635
6636         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
6637         * fileread.h (Input_file): Add try_extra_search_path and find_file.
6638
6639 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
6640             Ian Lance Taylor  <iant@google.com>
6641
6642         * output.h (Output_section_lookup_maps::add_merge_section):
6643         Correct check of whether value was inserted.
6644         (Output_section_lookup_maps::add_merge_input_section): Likewise.
6645         (Output_section_lookup_maps::add_relaxed_input_section):
6646         Likewise.
6647         * arm.cc (Target_arm::got_section): Remove used local os.
6648         * i386.cc (Target_i386::got_section): Likewise.
6649         * x86_64.cc (Target_x86_64::got_section): Likewise.
6650         * sparc.cc (Target_sparc::got_section): Likewise.
6651         (Target_sparc::relocate): Remove unused local have_got_offset.
6652         * powerpc.cc (Target_powerpc::relocate): Likewise.
6653
6654 2010-07-13  Ian Lance Taylor  <iant@google.com>
6655
6656         * compressed_output.cc (zlib_decompress): Fix signature in
6657         !HAVE_ZLIB_H case.
6658
6659         * archive.cc (Archive::include_member): Unlock an external member
6660         of a thin archive.  Don't bother to delete an object we know is
6661         NULL.
6662
6663 2010-07-12  Cary Coutant  <ccoutant@google.com>
6664
6665         * compressed_output.cc (zlib_decompress): New function.
6666         (get_uncompressed_size): New function.
6667         (decompress_input_section): New function.
6668         * compressed_output.h (get_uncompressed_size): New function.
6669         (decompress_input_section): New function.
6670         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
6671         Handle compressed debug sections.
6672         * layout.cc (is_compressed_debug_section): New function.
6673         (Layout::output_section_name): Map compressed section names to
6674         canonical names.
6675         * layout.h (is_compressed_debug_section): New function.
6676         (is_debug_info_section): Recognize compressed debug sections.
6677         * merge.cc: Include compressed_output.h.
6678         (Output_merge_data::do_add_input_section): Handle compressed
6679         debug sections.
6680         (Output_merge_string::do_add_input_section): Handle compressed
6681         debug sections.
6682         * object.cc: Include compressed_output.h.
6683         (Sized_relobj::Sized_relobj): Initialize new data members.
6684         (build_compressed_section_map): New function.
6685         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
6686         * object.h (Object::section_is_compressed): New method.
6687         (Object::do_section_is_compressed): New method.
6688         (Sized_relobj::Compressed_section_map): New type.
6689         (Sized_relobj::do_section_is_compressed): New method.
6690         (Sized_relobj::compressed_sections_): New data member.
6691         * output.cc (Output_section::add_input_section): Handle compressed
6692         debug sections.
6693         * reloc.cc: Include compressed_output.h.
6694         (Sized_relobj::write_sections): Handle compressed debug sections.
6695
6696 2010-07-08  Cary Coutant  <ccoutant@google.com>
6697
6698         * resolve.cc (Symbol_table::resolve): Remember whether undef was
6699         weak when resolving to a dynamic def.
6700         (Symbol_table::should_override): Add adjust_dyndef flag; set it
6701         for weak undef/dynamic def cases. Adjust callers.
6702         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
6703         undef_binding_weak_.
6704         (Symbol_table::sized_write_globals): Adjust symbol binding.
6705         (Symbol_table::sized_write_symbol): Add binding parameter.
6706         * symtab.h (Symbol::set_undef_binding): New method.
6707         (Symbol::is_undef_binding_weak): New method.
6708         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
6709         (Symbol_table::should_override): Add new parameter.
6710         (Symbol_table::sized_write_symbol): Add new parameter.
6711
6712         * testsuite/weak_undef_file1.cc: Add new test case.
6713         * testsuite/weak_undef_file2.cc: Fix header comment.
6714         * testsuite/weak_undef_test.cc: Add new test case.
6715
6716 2010-06-29  Doug Kwan  <dougkwan@google.com>
6717
6718         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
6719         Initialize USE_SYMBOL_.
6720         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
6721         definition.
6722         (Arm_reloc_property::uses_symbol_): New data member declaration.
6723         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
6724         uses symbol value and symbol is undefined but not weakly undefined.
6725
6726 2010-06-28  Rafael Espindola  <espindola@google.com>
6727
6728         * plugin.cc (Plugin::load): Use dlerror.
6729
6730 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
6731
6732         * symtab.cc (detect_odr_violations): When reporting an ODR
6733         violation, report an object where the symbol is defined.
6734
6735 2010-06-25  Doug Kwan  <dougkwan@google.com>
6736
6737         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
6738         (Target_arm::section_may_have_icf_unsafe_pointers): New method
6739         definition.
6740         (Target_arm::Scan::local_reloc_may_be_function_pointer,
6741         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
6742         target hook to detect function points.
6743         (Target_arm::Scan::possible_function_pointer_reloc): New method.
6744         * icf.h (Icf::check_section_for_function_pointers): Change type of
6745         parameter SECTION_NAME to const reference to std::string.  Use
6746         target hook to determine if section may have unsafe pointers.
6747         * target.h (Target::section_may_have_icf_unsafe_pointers): New
6748         method definition.
6749
6750 2010-06-21  Rafael Espindola  <espindola@google.com>
6751
6752         * fileread.cc (Input_file::find_fie): New
6753         (Input_file::open): Use Input_file::find_fie.
6754         * fileread.h (Input_file::find_fie): New
6755         * plugin.cc (set_extra_library_path): New.
6756         (Plugin::load): Add set_extra_library_path to the transfer vector.
6757         (Plugin_manager::set_extra_library_path): New.
6758         (Plugin_manager::add_input_file): Use the extra search path if set.
6759         (set_extra_library_path(): New.
6760         * plugin.h (Plugin_manager): Add set_extra_library_path and
6761         extra_search_path_.
6762
6763 2010-06-19  Cary Coutant  <ccoutant@google.com>
6764
6765         * layout.cc (gdb_sections): Add .debug_types.
6766         (lines_only_debug_sections): Likewise.
6767
6768 2010-06-18  Rafael Espindola  <espindola@google.com>
6769
6770         * plugin.cc (add_input_file,add_input_library)
6771         (Plugin_manager::add_input_file): Make filename arguments const.
6772         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
6773         const.
6774
6775 2010-06-16  Doug Kwan  <dougkwan@google.com>
6776
6777         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
6778         .ARM.attributes section if we have not merged any input
6779         attributes sections.
6780
6781 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6782
6783         * arm.cc: Allow combining objects with no EABI version
6784         information.
6785
6786 2010-06-15  Rafael Espindola  <espindola@google.com>
6787
6788         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
6789
6790 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6791
6792         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
6793         (struct iovec): Correct !HAVE_READV definition.
6794
6795 2010-06-10  Cary Coutant  <ccoutant@google.com>
6796
6797         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6798         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6799         reloc sections.
6800         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6801
6802         PR 11683
6803         * symtab.h (Symbol::is_placeholder): New member function.
6804         * target-reloc.h (relocate_section): Check for placeholder symbols.
6805
6806         * testsuite/Makefile.am (plugin_test_8): New test.
6807         (plugin_test_9): New test.
6808         * testsuite/Makefile.in: Regenerate.
6809
6810 2010-06-09  Nick Clifton  <nickc@redhat.com>
6811
6812         * yyscript.y (input_list_element): Allow strings prefixed with
6813         the '-' character.  Treat these as libraries.
6814         * script.cc (script_add_library): New function.  Adds a library
6815         specified by "-l<name>" found in an input script.
6816         * script-c.h: Add prototype for script_add_library.
6817
6818 2010-06-07  Doug Kwan  <dougkwan@google.com>
6819
6820         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6821         Restrict stub-group size to be within long conditional branch
6822         range when working around cortex-A8 erratum.
6823
6824 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6825
6826         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6827         #ifdef typo.
6828
6829 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6830
6831         PR gold/11658
6832         * output.cc
6833         (Output_section::Input_section_sort_entry::compare_section_ordering):
6834         Change to return non-zero correctly.
6835         (Output_section::Input_section_sort_section_order_index_compare
6836         ::operator()): Change to fix ambiguity in comparisons.
6837
6838 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6839
6840         * gold.h (is_wildcard_string): New function.
6841         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6842         (Layout::layout_eh_frame): Ditto.
6843         (Layout::find_section_order_index): New method.
6844         (Layout::read_layout_from_file): New method.
6845         * layout.h (Layout::find_section_order_index): New method.
6846         (Layout::read_layout_from_file): New method.
6847         (Layout::input_section_position_): New private member.
6848         (Layout::input_section_glob_): New private member.
6849         * main.cc (main): Call read_layout_from_file here.
6850         * options.h (--section-ordering-file): New option.
6851         * output.cc (Output_section::input_section_order_specified_): New
6852         member.
6853         (Output_section::Output_section): Initialize new member.
6854         (Output_section::add_input_section): Add new parameter.
6855         Keep input sections when --section-ordering-file is used.
6856         (Output_section::set_final_data_size): Sort input sections when
6857         section ordering file is specified.
6858         (Output_section::Input_section_sort_entry): Add new parameter.
6859         Check sorting type.
6860         (Output_section::Input_section_sort_entry::compare_section_ordering):
6861         New method.
6862         (Output_section::Input_section_sort_compare::operator()): Change to
6863         consider section_order_index.
6864         (Output_section::Input_section_sort_init_fini_compare::operator()):
6865         Change to consider section_order_index.
6866         (Output_section::Input_section_sort_section_order_index_compare
6867         ::operator()): New method.
6868         (Output_section::sort_attached_input_sections): Change to sort
6869         according to section order when specified.
6870         (Output_section::add_input_section<32, true>): Add new parameter.
6871         (Output_section::add_input_section<64, true>): Add new parameter.
6872         (Output_section::add_input_section<32, false>): Add new parameter.
6873         (Output_section::add_input_section<64, false>): Add new parameter.
6874         * output.h (Output_section::add_input_section): Add new parameter.
6875         (Output_section::input_section_order_specified): New
6876         method.
6877         (Output_section::set_input_section_order_specified): New method.
6878         (Input_section::Input_section): Initialize section_order_index_.
6879         (Input_section::section_order_index): New method.
6880         (Input_section::set_section_order_index): New method.
6881         (Input_section::section_order_index_): New member.
6882         (Input_section::Input_section_sort_section_order_index_compare): New
6883         struct.
6884         (Output_section::input_section_order_specified_): New member.
6885         * script-sections.cc (is_wildcard_string): Delete and move modified
6886         method to gold.h.
6887         (Output_section_element_input::Output_section_element_input): Modify
6888         call to is_wildcard_string.
6889         (Output_section_element_input::Input_section_pattern
6890         ::Input_section_pattern): Ditto.
6891         (Output_section_element_input::Output_section_element_input): Ditto.
6892         * testsuite/Makefile.am (final_layout): New test case.
6893         * testsuite/Makefile.in: Regenerate.
6894         * testsuite/final_layout.cc: New file.
6895         * testsuite/final_layout.sh: New file.
6896
6897 2010-06-01  Rafael Espindola  <espindola@google.com>
6898
6899         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6900
6901 2010-06-01  Rafael Espindola  <espindola@google.com>
6902
6903         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6904         visibility of symbols.
6905
6906 2010-05-27  Doug Kwan  <dougkwan@google.com>
6907
6908         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6909         from start of output section instead of address for a local symbol
6910         in a merged or relaxed section when doing a relocatable link.
6911
6912 2010-05-26  Rafael Espindola  <espindola@google.com>
6913
6914         PR 11604
6915         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6916         adding sections the garbage collector removed.
6917         * gold/testsuite/Makefile.am: Add test.
6918         * gold/testsuite/Makefile.in: Regenerate.
6919         * gold/testsuite/plugin_test_7.sh: New.
6920         * gold/testsuite/plugin_test_7_1.c: New.
6921         * gold/testsuite/plugin_test_7_2.c: New.
6922
6923 2010-05-26  Rafael Espindola  <espindola@google.com>
6924
6925         * script-sections.cc (Output_section_definition::set_section_addresses):
6926         Check for --section-start.
6927
6928 2010-05-26  Doug Kwan  <dougkwan@google.com>
6929
6930         * arm.cc (Arm_scan_relocatable_relocs): New class.
6931         (Target_arm::relocate_special_relocatable): New method.
6932         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6933         (Arm_relocate_functions::thumb_branch_common): Same.
6934         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6935         instead of Default_scan_relocatable_relocs.
6936         * target-reloc.h (relocate_for_relocatable): Let target handle
6937         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6938         * target.h (Sized_target::relocate_special_relocatable): New method.
6939
6940 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6941
6942         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6943
6944 2010-05-23  Doug Kwan  <dougkwan@google.com>
6945
6946         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6947         instead of a cast.
6948         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6949         with a direct branch, not a conditional branch, to a stub.
6950         * merge.cc (Output_merge_base::record_input_section): New method
6951         defintion.
6952         (Output_merge_data::do_add_input_section): Record input section if
6953         keeps-input-sections flag is set.
6954         (Output_merge_string::do_add_input_section): Ditto.
6955         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6956         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6957         INPUT_SECTIONS_.
6958         (Output_merge_base::keeps_input_sections,
6959         Output_merge_base::set_keeps_input_sections,
6960         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6961         method definitions.
6962         (Output_merge_base::Input_sections): New type declaration.
6963         (Output_merge_base::input_sections_begin,
6964         Output_merge_base::input_sections_end,
6965         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6966         (Output_merge_base::bool keeps_input_sections_,
6967         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6968         Output_merge_base::input_sections_): New data members.
6969         (Output_merge_data::do_set_keeps_input_sections): New method
6970         defintion.
6971         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6972         * output.cc (Output_section::Input_section::relobj): Move method
6973         defintion from class declaration to here and handle merge sections.
6974         (Output_section::Input_section::shndx): Ditto.
6975         (Output_section::Output_section): Remove initializations of removed
6976         data members and initialize new data member LOOKUP_MAPS_.
6977         (Output_section::add_input_section): Set keeps-input-sections flag
6978         for a newly created merge output section as appropriate.  Adjust code
6979         to use Output_section_lookup_maps class.
6980         (Output_section::add_relaxed_input_section): Adjst code for lookup
6981         maps code refactoring.
6982         (Output_section::add_merge_input_section): Add a new parameter
6983         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6984         class.  If adding input section to a newly created merge output
6985         section fails, remove the new merge section.
6986         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6987         Adjust code for use of the Output_section_lookup_maps class.
6988         (Output_section::find_merge_section): Ditto.
6989         (Output_section::build_lookup_maps): New method defintion.
6990         (Output_section::find_relaxed_input_section): Adjust code to use
6991         Output_section_lookup_maps class.
6992         (Output_section::get_input_sections): Export merge sections.  Adjust
6993         code to use Output_section_lookup_maps class.
6994         (Output_section:::add_script_input_section): Adjust code to use
6995         Output_section_lookup_maps class.  Update lookup maps for merge
6996         sections also.
6997         (Output_section::discard_states): Use Output_section_lookup_maps.
6998         (Output_section::restore_states): Same.
6999         * output.h (Merge_section_properties): Move class defintion out of
7000         Output_section.
7001         (Output_section_lookup_maps): New class.
7002         (Output_section::Input_section::is_merge_section): New method
7003         defintion.
7004         (Output_section::Input_section::relobj): Move defintion out of class
7005         defintion.  Declare method only.
7006         (Output_section::Input_section::shndx): Ditto.
7007         (Output_section::Input_section::output_merge_base): New method defintion.
7008         (Output_section::Input_section::u2_.pomb): New union field.
7009         (Output_section::Merge_section_by_properties_map,
7010         Output_section::Output_section_data_by_input_section_map,
7011         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
7012         Remove types.
7013         (Output_section::add_merge_input_section): Add new parameter
7014         KEEPS_INPUT_SECTIONS.
7015         (Output_section::build_lookup_maps): New method declaration.
7016         (Output_section::merge_section_map_,
7017         Output_section::merge_section_by_properties_map_,
7018         Output_section::relaxed_input_section_map_,
7019         Output_section::is_relaxed_input_section_map_valid_): Remove data
7020         members.
7021         (Output_section::lookup_maps_): New data member.
7022
7023 2010-05-21  Doug Kwan  <dougkwan@google.com>
7024
7025         PR gold/11619
7026         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
7027         avoid a compilation error.
7028
7029 2010-05-19  Rafael Espindola  <espindola@google.com>
7030
7031         * script-sections.cc (Output_section_definition::allocate_to_segment):
7032         Update the phdrs_list even when the output section is NULL.
7033         * testsuite/Makefile.am: Add test.
7034         * testsuite/Makefile.in: Regenerate.
7035         * testsuite/script_test_9.cc: New.
7036         * testsuite/script_test_9.sh: New.
7037         * testsuite/script_test_9.t: New.
7038
7039 2010-05-19  Doug Kwan  <dougkwan@google.com>
7040
7041         * arm.cc (Arm_input_section::original_size): New method.
7042         (Arm_input_section::do_addralign): Add a cast.
7043         (Arm_input_section::do_output_offset): Remove static cast.
7044         (Arm_input_section::original_addralign,
7045          Arm_input_section::original_size_): Change type to uint32_t.
7046         (Arm_input_section::init): Add safe casts for section alignment
7047         and size.
7048         (Arm_input_section::set_final_data_size): Do not set address and
7049         offset of stub table.
7050         (Arm_output_section::fix_exidx_coverage): Change use of of
7051         Output_section::Simple_input_section to that of
7052         Output_section::Input_section.
7053         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
7054         except for the first pass.
7055         * output.cc (Output_section::get_input_sections): Change type of
7056         input_sections to std::list<Input_section>.
7057         (Output_section::add_script_input_section): Rename from
7058         Output_section::add_simple_input_section.  Change type of SIS
7059         parameter from Simple_input_section to Input_section.
7060         * output.h (Output_section::Simple_input_section): Remove class.
7061         (Output_section::Input_section): Change class visibility to public.
7062         (Output_section::Input_section::addralign): Use stored alignments
7063         for special input sections if set.
7064         (Output_section::Input_section::set_addralign): New method.
7065         (Output_section::get_input_sections): Change parameter type from
7066         list of Simple_input_section to list of Input_section.
7067         (Output_section::add_script_input_section): Rename from
7068         Output_section::add_simple_input_section. Change first parameter's
7069         type from Simple_input_section to Input_section and remove the
7070         second and third parameters.
7071         * script-sections.cc (Input_section::Input_section_list): Change
7072         type to list of Output_section::Input_section/
7073         (Input_section_info::Input_section_info): Change parameter type of
7074         INPUT_SECTION to Output_section::Input_section.
7075         (Input_section_info::input_section): Change return type.
7076         (Input_section_info::input_section_): Change type to
7077         Output_section::Input_section.
7078         (Output_section_element_input::set_section_addresses): Adjust code
7079         to use Output_section::Input_section instead of
7080         Output_section::Simple_input_section.  Adjust code for renaming
7081         of Output_section::add_simple_input_section.
7082         (Orphan_output_section::set_section_addresses): Ditto.
7083
7084 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7085
7086         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
7087         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
7088
7089 2010-05-18  Rafael Espindola  <espindola@google.com>
7090
7091         * options.cc (General_options::finalize): Handle -nostdlib.
7092         * options.h (nostdlib): New option.
7093         * script.cc (script_add_search_dir): Handle -nostdlib.
7094
7095 2010-05-12  Doug Kwan  <dougkwan@google.com>
7096
7097         * arm.cc (Target_arm::do_finalize_sections): Create an empty
7098         attributes section only if there no attributes section after merging.
7099         (Target_arm::merge_object_attributes): Move value of
7100         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
7101         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
7102         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
7103         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
7104         and arm_attr_merge_7.stdout.
7105         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
7106         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
7107         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
7108         arm_attr_merge_7b.o): New rules.
7109         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
7110         arm_attr_merge_7
7111         * testsuite/Makefile.in: Regenerate.
7112         * testsuite/arm_attr_merge.sh: New file.
7113         * testsuite/arm_attr_merge_[67][ab].s: Same.
7114
7115 2010-05-05  Nick Clifton  <nickc@redhat.com>
7116
7117         * po/es.po: Updated Spanish translation.
7118
7119 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7120
7121         * Makefile.am (install-exec-local): Properly install gold as
7122         default cross linker.
7123         * Makefile.in: Regenerated.
7124
7125 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7126             Nick Clifton  <nickc@redhat.com>
7127
7128         * configure.ac (install_as_default): Define and set to false
7129         unless --enable-gold or --enable-gold=both/gold has been
7130         specified.
7131         * configure: Regenerate.
7132
7133         * Makefile.am (install-exec-local): Install the executable as
7134         'ld.gold'.  If install_as_default is true then also install it as
7135         'ld'.
7136         * Makefile.in: Regenerated.
7137
7138 2010-04-24  Ian Lance Taylor  <iant@google.com>
7139
7140         * layout.cc (Layout::layout_reloc): In relocatable link don't
7141         combine reloc sections for grouped sections.
7142
7143 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
7144
7145         * gc.h (gc_process_relocs): Pass information on relocs pointing to
7146         sections that are not ordinary to icf.
7147         * icf.cc (get_section_contents): Handle relocation pointing to section
7148         with no object or shndx information.
7149         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
7150         * testsuite/Makefile.in: Regenerate.
7151         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
7152         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
7153
7154 2010-04-22  Ian Lance Taylor  <iant@google.com>
7155
7156         * expression.cc (Expression::Expression_eval_info): Add
7157         result_alignment_pointer field.
7158         (Expression::eval_with_dot): Add result_alignment_pointer
7159         parameter.  Change all callers.
7160         (Expression::eval_maybe_dot): Likewise.
7161         (class Binary_expression): Add alignment_pointer parameter to
7162         left_value and right_value.  Change all callers.
7163         (BINARY_EXPRESSION): Set result alignment.
7164         (class Trinary_expression): Add alignment_pointer parameter to
7165         arg2_value and arg3_value.  Change all callers.
7166         (Trinary_cond::value): Set result alignment.
7167         (Max_expression::value, Min_expression::value): Likewise.
7168         (Align_expression::value): Likewise.
7169         * script-sections.cc (class Sections_element): Add dot_alignment
7170         parameter to set_section_addresses virtual function.  Update
7171         instantiations.
7172         (class Output_section_element): Likewise.
7173         (Script_sections::create_segments): Add dot_alignment parameter.
7174         Change all callers.
7175         (Script_sections::create_segments_from_phdrs_clause): Likewise.
7176         (Script_sections::set_phdrs_clause_addresses): Likewise.
7177         * script-sections.h: Update declarations.
7178         * script.h: Update declarations.
7179         * output.h (Output_segment::set_minimum_p_align): Don't decrease
7180         min_p_align.
7181         * testsuite/script_test_3.t: Set large alignment.
7182         * testsuite/script_test_3.sh: Make sure that at least one LOAD
7183         segment has expected alignment.
7184
7185 2010-04-22  Nick Clifton  <nickc@redhat.com>
7186
7187         * po/gold.pot: Updated by the Translation project.
7188         * po/vi.po: Updated Vietnamese translation.
7189
7190 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
7191
7192         * testsuite/Makefile.am (check_PROGRAMS): Add
7193         icf_virtual_function_folding_test.
7194         * testsuite/Makefile.in: Regenerated.
7195
7196 2010-04-15  Andrew Haley  <aph@redhat.com>
7197
7198         * options.h (merge_exidx_entries): New option.
7199         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
7200         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
7201         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
7202         (Target_arm::merge_exidx_entries): New function.
7203         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
7204         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
7205         to Arm_exidx_fixup constructor.
7206         Add new arg, merge_exidx_entries.
7207         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
7208         Arm_output_section::fix_exidx_coverage.
7209
7210 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
7211
7212         * icf.cc (get_section_contents): Check for preemptible functions.
7213         Ignore addend when appropriate.
7214         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
7215         section folded.
7216         (add_from_relobj): Check for section folded.
7217         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
7218         * symtab.h (should_add_dynsym_entry): Add new parameter.
7219         * target-reloc.h (scan_relocs): Check for section folded.
7220         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
7221         Check reloc types for function pointers in shared objects.
7222         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
7223         case.
7224         (icf_preemptible_functions_test): New test case.
7225         (icf_string_merge_test): New test case.
7226         * testsuite.Makefile.in: Regenerate.
7227         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
7228         bar_glob.  Refactor code.
7229         * testsuite/icf_preemptible_functions_test.cc: New file.
7230         * testsuite/icf_preemptible_functions_test.sh: New file.
7231         * testsuite/icf_string_merge_test.cc: New file.
7232         * testsuite/icf_string_merge_test.sh: New file.
7233         * testsuite/icf_virtual_function_folding_test.cc: New file.
7234         * testsuite/icf_virtual_function_folding_test.sh: New file.
7235
7236 2010-04-14  Doug Kwan  <dougkwan@google.com>
7237
7238         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
7239         for local symbol recounting if we remove a section due to ICF.
7240         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
7241         there are no regular objects in input.
7242
7243 2010-04-13  Doug Kwan  <dougkwan@google.com>
7244
7245         * arm.cc (Arm_input_section::set_final_data_size): Compute
7246         accurate final data size instead of using current data size.
7247
7248 2010-04-09  Doug Kwan  <dougkwan@google.com>
7249
7250         * layout.cc (Layout::choose_output_section): Handle script section
7251         types.
7252         (Layout::make_output_section_for_script): Add section type parameter.
7253         Handle script section types.
7254         * layout.h (Layout::make_output_section_for_script): Add section
7255         type parameter.
7256         * output.cc (Output_section::Output_section): Initialize data member
7257         is_noload_.
7258         (Output_section::do_reset_address_and_file_offset): Do not set address
7259         to 0 if section is a NOLOAD section.
7260         * output.h (Output_section::is_noload): New method.
7261         (Output_section::set_is_noload): Ditto.
7262         (Output_section::is_noload_): New data member.
7263         * script-c.h (Script_section_type): New enum type.
7264         (struct Parser_output_section_header): Add new file section_type.
7265         * script-sections.cc (Sections_element::output_section_name): Add
7266         parameter for returning script section type.
7267         (Output_section_definition::output_section_name): Ditto.
7268         (Output_section_definition::section_type)P; New method.
7269         (Output_section_definiton::script_section_type_name): Ditto.
7270         (Output_section_definition::script_section_type_): New data member.
7271         (Output_section_definition::Output_section_definition): Initialize
7272         data member Output_section_definition::script_section_type_.
7273         (Output_section_definition::create_sections): Pass script section type
7274         to Layout::make_output_section_for_script.
7275         (Output_section_definition::output_section_name): Return script
7276         section type to caller.
7277         (Output_section_definition::set_section_address): Do not advance
7278         dot value and load address if section type is NOLOAD.  Set address
7279         of NOLOAD sections regardless of section flags.
7280         (Output_section_definition::print): Print section type if it is
7281         not SCRIPT_SECTION_TYPE_NONE.
7282         (Output_section_definition::section_type): New method.
7283         (Output_section_definition::script_section_type_name): Ditto.
7284         (Script_sections::output_section_name): Add new parameter
7285         PSECTION_TYPE for returning script section type.  Pass it to
7286         section elements.  Handle discard sections.
7287         (Sort_output_sections::operator()): Handle NOLOAD sections.
7288         * script-sections.h (Script_sections::Section_type): New enum type.
7289         (Script_sections::output_section_name): Add a new parameter for
7290         returning script section type.
7291         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
7292         INFO and NOLOAD.
7293         * yyscript.y (union): Add new field SECTION_TYPE.
7294         (COPY, DSECT, INFO, NOLOAD): New tokens.
7295         (opt_address_and_section_type): Change type to output_section_header.
7296         (section_type): New non-terminal
7297         (section_header): Handle section type.
7298         (opt_address_and_section_type): Return section type value.
7299
7300 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
7301
7302         * testsuite/plugin_common_test_1.c (foo): Add prototype.
7303         * testsuite/plugin_common_test_2.c (foo): Likewise.
7304
7305 2010-04-08  Doug Kwan  <dougkwan@google.com>
7306
7307         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
7308         Output_merge_data.
7309         * output.cc (Output_section::add_merge_input_section): Simplify
7310         code and return status of Output_merge_base::add_input_section.
7311         Update merge section map only if Output_merge_base::add_input_section
7312         returns true.
7313
7314 2010-04-07  Doug Kwan  <dougkwan@google.com>
7315
7316         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
7317         if section is marked as containing instructions but has no mapping
7318         symbols.
7319         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
7320         correct section index.
7321         (Arm_relobj::find_linked_text_section): Ditto.
7322
7323 2010-04-07  Cary Coutant  <ccoutant@google.com>
7324
7325         * archive.cc (include_member): Destroy Read_symbols_data object before
7326         releasing file.
7327         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
7328         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
7329         (Read_symbols_data::~Read_symbols_data) New destructor.
7330         (Section_relocs::Section_relocs) New constructor.
7331         (Section_relocs::~Section_relocs) New destructor.
7332         (Read_relocs_data::Read_relocs_data) New constructor.
7333         (Read_relocs_data::~Read_relocs_data) New destructor.
7334         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
7335         pointers to NULL after deleting.
7336
7337 2010-04-07  Doug Kwan  <dougkwan@google.com>
7338
7339         * arm.cc: Replace "endianity" with "endianness" in comments.
7340         (Arm_exidx_cantunwind): Ditto.
7341         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
7342         (Arm_relobj::merge_flags_and_attributes): New method.
7343         (Arm_relobj::merge_flags_and_attributes_): New data member.
7344         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
7345         (Arm_relobj::scan_sections_for_stubs): Ditto.
7346         (Arm_relobj::do_read_symbols): Check to see if we really want to
7347         merge processor-specific flags and attributes.  Exit early if
7348         an object is empty except for section names and the undefined symbol.
7349         (Target_arm::do_finalize_sections): Move check for ELF format to
7350         Arm_relobj::do_read_symbols.  Merge processor specific flags and
7351         attributes from a regular object only when we have determined that
7352         it is aapropriate.  Do not create an .ARM.attributes section in
7353         output if there is no regular input object.
7354         (Target_arm::merge_processor_specific_flags): Check
7355         --warn-mismatch before printing any error.
7356         (Target_arm::merge_object_attributes): Ditto.
7357         * gold.cc (queue_middle_tasks): Handle the case in which there is
7358         no regular object in input.
7359         * options.cc (General_options::parse_EB): New method.
7360         (General_options::parse_EL): Same.
7361         (General_options::General_options): Initialize endianness_.
7362         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
7363         New options.
7364         (General_options::Endianness): New enum.
7365         (General_options::endianness): New method.
7366         (General_options::endianness_): New data member.
7367         * parameters.cc (Parameters::set_options): Check target endianness.
7368         (Parameters::set_target_once): Ditto.
7369         (Parameters::check_target_endianness): New method.
7370         (parameters_force_valid_target): If either -EL or -EB is specified,
7371         use it to define endianness of default target.
7372         * parameters.h (Parameters::check_target_endianness): New method
7373         declaration.
7374         * target.h (class Target): Change "endianity" to "endianness"
7375         in comments.
7376
7377 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7378
7379         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
7380         * configure: Regenerate.
7381         * Makefile.in: Regenerate.
7382         * testsuite/Makefile.in: Regenerate.
7383
7384 2010-04-06  Cary Coutant  <ccoutant@google.com>
7385
7386         gcc PR lto/42757
7387         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
7388         prevailing definitions of common symbols.
7389         * testsuite/plugin_test_6.sh: New test case.
7390         * testsuite/plugin_common_test_1.c: New test case.
7391         * testsuite/plugin_common_test_2.c: New test case.
7392         * testsuite/Makefile.am (plugin_test_6): New test case.
7393         * testsuite/Makefile.in: Regenerate.
7394
7395 2010-04-06  Nick Clifton  <nickc@redhat.com>
7396
7397         * po/vi.po: New Vietnamese translation.
7398
7399 2010-03-30  Doug Kwan  <dougkwan@google.com>
7400
7401         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
7402
7403 2010-03-25  Doug Kwan  <dougkwan@google.com>
7404
7405         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
7406         to avoid a conversion warning on a 32-bit host.
7407
7408 2010-03-24  Ian Lance Taylor  <iant@google.com>
7409
7410         * testsuite/script_test_3.t: Add a TLS segment.
7411         * testsuite/Makefile.am (check_PROGRAMS): Add
7412         tls_phdrs_script_test.
7413         (tls_phdrs_script_test_SOURCES): Define.
7414         (tls_phdrs_script_test_DEPENDENCIES): Define.
7415         (tls_phdrs_script_test_LDFLAGS): Define.
7416         (tls_phdrs_script_test_LDADD): Define.
7417         * testsuite/Makefile.in: Rebuild.
7418
7419 2010-03-23  Cary Coutant  <ccoutant@google.com>
7420
7421         * fileread.cc (find_or_make_view): Fix comment.
7422
7423 2010-03-23  Ian Lance Taylor  <iant@google.com>
7424
7425         * script-sections.cc (class Orphan_section_placement): Define
7426         PLACE_TLS and PLACE_TLS_BSS.
7427         (Orphan_section_placement::Orphan_section_placement): Initialize
7428         new places.
7429         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
7430         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
7431         (tls_script_test_SOURCES): Define.
7432         (tls_script_test_DEPENDENCIES): Define.
7433         (tls_script_test_LDFLAGS): Define.
7434         (tls_script_test_LDADD): Define.
7435         * testsuite/Makefile.in: Rebuild.
7436
7437 2010-03-22  Doug Kwan  <dougkwan@google.com>
7438
7439         * arm.cc (Arm_relocate_functions::abs8,
7440         Arm_relocate_functions::abs16): Use correct check for overflow
7441         specified in the ARM ELF specs.
7442         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
7443         target of a BLX instruction specially.
7444         (Reloc_stub::stub_type_for_reloc): Ditto.
7445         (Relocate::relocate): Use symbolic names instead of numeric relocation
7446         codes to report error.
7447         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
7448         workaround.
7449         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
7450         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
7451         thumb2_blx_out_of_range.stdout
7452         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
7453         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
7454         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
7455         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
7456         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
7457         thumb2_blx_in_range, thumb2_blx_in_range.o,
7458         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
7459         thumb2_blx_out_of_range.o): New rules.
7460         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
7461         thumb2_blx_in_range and thumb2_blx_out_of_range.
7462         * testsuite/Makefile.in: Regenerate.
7463         * arm_branch_in_range.sh: Add tests for THUMB BLX.
7464         * testsuite/thumb_blx_in_range.s: New file.
7465         * testsuite/thumb_blx_out_of_range.s: New file.
7466
7467 2010-03-22  Rafael Espindola  <espindola@google.com>
7468
7469         * archive.cc (Should_include): Move to archive.h.
7470         (should_include_member): Make it a member of Archive.
7471         (Lib_group): New.
7472         (Add_lib_group_symbols): New.
7473         * archive.h: Include options.h.
7474         (Archive_member): Moved from Archive.
7475         (Should_include): Moved from archive.cc.
7476         (Lib_group): New.
7477         (Add_lib_group_symbols): New.
7478         * dynobj.cc (do_should_include_member): New.
7479         * dynobj.h (do_should_include_member): New.
7480         * gold.cc (queue_initial_tasks): Update call to queue.
7481         * main.cc (main): Print lib group stats.
7482         * object.cc (do_should_include_member): New.
7483         * object.h: Include archive.h.
7484         (Object::should_include_member): New.
7485         (Object::do_should_include_member): New.
7486         (Sized_relobj::do_should_include_member): New.
7487         * options.cc (General_options::parse_start_lib): New.
7488         (General_options::parse_end_lib): New.
7489         (Input_arguments::add_file): Handle lib groups.
7490         (Input_arguments::start_group): Check we are not in a lib.
7491         (Input_arguments::start_lib): New.
7492         (Input_arguments::end_lib): New.
7493         * options.h (General_options): Add start_lib and end_lib.
7494         (Input_argument::lib_): New.
7495         (Input_argument::lib): New.
7496         (Input_argument::is_lib): New.
7497         (Input_file_lib): New.
7498         (Input_arguments::in_lib_): New.
7499         (Input_arguments::in_lib): New.
7500         (Input_arguments::start_lib): New.
7501         (Input_arguments::end_lib_): New.
7502         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
7503         in unused members as preempted.
7504         (Sized_pluginobj::do_should_include_member): New.
7505         * plugin.h (Sized_pluginobj::do_should_include_member): New.
7506         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
7507         return the blocker.
7508         (Read_symbols::do_whole_lib_group): New.
7509         (Read_symbols::do_lib_group): New.
7510         (Read_symbols::do_read_symbols): Handle lib groups.
7511         (Read_symbols::get_name): Handle lib groups.
7512         * readsyms.h (Read_symbols): Add an archive member pointer.
7513         (Read_symbols::do_whole_lib_group): New.
7514         (Read_symbols::do_lib_group): New.
7515         (Read_symbols::member_): New.
7516         * script.cc (read_input_script): Update call to queue_soon.
7517
7518 2010-03-19  Doug Kwan  <dougkwan@google.com>
7519
7520         * arm.cc (Stub_table::Stub_table): Initialize new data members
7521         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7522         (Stub_table::add_reloc_stub): Assign stub offset and update
7523         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7524         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
7525         New data members.
7526         (Stub_table::update_data_size_and_addralign): Use
7527         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
7528         instead of going over all reloc stubs.
7529         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
7530         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7531         Stringpool_template::offset_ to size of Stringpool_char.
7532         (Stringpool_template::new_key_offset): Remove code to initialize
7533         Stringpool_template::offset_.
7534         * stringpool.h (Stringpool_template::set_no_zero_null): Set
7535         Stringpool_template::offset_ to zero.
7536
7537 2010-03-15  Doug Kwan  <dougkwan@google.com>
7538
7539         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7540         offset_.
7541         (Stringpool_template::new_key_offset): New method.
7542         (Stringpool_template::add_string): Assign offsets when adding new
7543         strings.
7544         (Stringpool_template::set_string_offsets): Do not set string offsets
7545         when not optimizing.
7546         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
7547         member size_.
7548         (Chunked_vector::clear): Clear size_.
7549         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
7550         (Chunked_vector::size): Return size_.
7551         (Chunked_vector::push_back): Use size_ to find insert position.
7552         (Chunked_vector::size_): New data member.
7553         (Stringpool_template::set_no_zero_null): Assert string set is empty.
7554         (Stringpool_template::new_key_offset): New method declaration.
7555         (Stringpool_template::offset_): New data member.
7556
7557 2010-03-15   Rafael Espindola  <espindola@google.com>
7558
7559         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
7560         Add_symbols' constructor.
7561         * readsyms.h (Add_symbols): Remove the input_group member.
7562
7563 2010-03-10  Ian Lance Taylor  <iant@google.com>
7564
7565         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
7566         target to ask whether a reference to a symbol requires a stack
7567         split.
7568         * target.h (Target::is_call_to_non_split): New function.
7569         (Target::do_is_call_to_non_split): Declare virtual function.
7570         * target.cc: Include "symtab.h".
7571         (Target::do_is_call_to_non_split): New function.
7572         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
7573
7574 2010-03-10  Cary Coutant  <ccoutant@google.com>
7575
7576         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
7577         (File_read::open[1]): Remove initial mapping of whole_file_view_.
7578         (File_read::open[2]): Add whole_file_view_ to list of views.
7579         (File_read::make_view): Remove test of whole_file_view_.
7580         (File_read::find_or_make_view): Create whole_file_view_ if
7581         necessary.
7582         (File_read::clear_views): Replace bool parameter with enum;
7583         adjust all callers.  Don't delete views with permanent data;
7584         do delete cached views and views from archives if
7585         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
7586         if clearing the corresponding view.
7587         * fileread.h (File_read::Clear_views_mode): New enum.
7588         (File_read::View::is_permanent_view): New method.
7589         (File_read::clear_views): Replace bool parameter
7590         with enum; adjust all callers.
7591         * options.h (General_options): Change keep_files_mapped option;
7592         add map_whole_files.
7593         * readsyms.cc (Add_symbols::run): Delete sd_ object before
7594         releasing the file.
7595         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
7596         the file.
7597
7598 2010-03-10  David S. Miller  <davem@davemloft.net>
7599
7600         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
7601
7602 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
7603
7604         * icf.cc (get_section_contents): Add '@' marker after processing the
7605         merge reloc.
7606
7607 2010-03-08  Doug Kwan  <dougkwan@google.com>
7608
7609         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
7610         due to a conversion warning.
7611         (Arm_relobj::update_output_local_symbol_count): Check for local
7612         symbol with unset output index.
7613
7614 2010-03-05  Ian Lance Taylor  <iant@google.com>
7615
7616         * options.h (class General_options): Add --spare-dynamic-tags.
7617         * output.cc (Output_data_dynamic::set_final_data_size): Implement
7618         --spare-dynamic-tags.
7619
7620 2010-03-05  Ian Lance Taylor  <iant@google.com>
7621
7622         * incremental.cc: Include "libiberty.h".
7623
7624 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7625
7626         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
7627         function, is_info_ member.
7628         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
7629         (Versions::Versions): Update caller.
7630         (Versions::define_base_version): Likewise.
7631         (Versions::add_def): Likewise.
7632
7633 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
7634
7635         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
7636         (Scan::possible_function_pointer_reloc): New function.
7637         (Scan::local_reloc_may_be_function_pointer): Change to call
7638         possible_function_pointer_reloc.
7639         (Scan::global_reloc_may_be_function_pointer): Ditto.
7640         * icf.h (Icf::check_section_for_function_pointers): Change to reject
7641         relocations in ".data.rel.ro._ZTV" section.
7642         * testsuite/icf_safe_so_test.sh: Change to pass i386.
7643         * testsuite/icf_safe_so_test.cc: Ditto.
7644         * testsuite/icf_safe_test.cc: Ditto.
7645         * testsuite/icf_safe_test.sh: Ditto.
7646
7647 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7648             Ian Lance Taylor  <iant@google.com>
7649
7650         * target-reloc.h (relocate_section): Check the symbol table index
7651         for -1U before setting the local symbol index.
7652         (scan_relocatable_relocs): If copying the relocation, record that
7653         the local symbol is required.
7654         * object.h (Symbol_value::is_output_symtab_index_set): New
7655         function.
7656         (Symbol_value::may_be_discarded_from_output_symtab): New
7657         function.
7658         (Symbol_value::has_output_symtab_entry): New function.
7659         (Symbol_value::needs_output_symtab_entry): Remove.
7660         (Symbol_value::output_symtab_index): Make sure the symbol index is
7661         set.
7662         (Symbol_value::set_output_symtab_index): Make sure the symbol
7663         index is not set.  Make sure the new index is valid.
7664         (Symbol_value::set_must_have_output_symtab_entry): New function.
7665         (Symbol_value::has_output_dynsym_entry): New function.
7666         (Symbol_value::set_output_dynsym_index): Make sure the new index
7667         is valid.
7668         (Sized_relobj::set_must_have_output_symtab_entry): New function.
7669         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
7670         local symbol if permitted.
7671         (Sized_relobj::do_finalize_local_symbols): Call
7672         is_output_symtab_index_set rather than needs_output_symtab_entry.
7673         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
7674         rather than needs_output_symtab_entry.  Call
7675         has_output_dynsym_entry rather than needs_output_dynsym_entry.
7676         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
7677         is_output_symtab_index_set rather than needs_output_symtab_entry.
7678         * testsuite/discard_locals_relocatable_test.c: New file.
7679         * testsuite/discard_locals_test.sh: Test -r.
7680         * testsuite/Makefile.am (check_DATA): Add
7681         discard_locals_relocatable_test1.syms,
7682         discard_local_relocatable_test2.syms.
7683         (MOSTLYCLEANFILES): Likewise.  Also add
7684         discard_locals_relocatable_test1.lout and
7685         discard_locals_relocatable_test2.out.
7686         (discard_locals_relocatable_test1.syms): New target.
7687         (discard_locals_relocatable_test.o): New target.
7688         (discard_locals_relocatable_test1.out): New target.
7689         (discard_locals_relocatable_test2.syms): New target.
7690         (discard_locals_relocatable_test2.out): New target.
7691         (various): Add missing ../ld-new dependencies.
7692         * testsuite/Makefile.in: Rebuild.
7693
7694 2010-03-03  Nick Clifton  <nickc@redhat.com>
7695
7696         * po/fi.po: New Finnish translation.
7697
7698 2010-03-01  Doug Kwan  <dougkwan@google.com>
7699
7700         * layout.cc (Layout::Layout): Force section types of .init_array*,
7701         .preinit_array* and .fini_array* sections.
7702         * output.cc (Output_section::Input_section_sort_entry::has_priority):
7703         Fix check of return value of std::string::find.().
7704         (Output_section::Input_section_sort_compare::operator()): Remove
7705         comment about .init_array.
7706         (Output_section::Input_section_sort_init_fini_compare::operator()):
7707         New method.
7708         (Output_section::sort_attached_input_sections): Handle .init_array
7709         and .fini_array specially.
7710         * output.h (Output_section::Inut_section_sort_compare): Update
7711         comment.
7712         (Output_section::Input_section_sort_init_fini_compare): New struct.
7713
7714 2010-02-26  Doug Kwan  <dougkwan@google.com>
7715
7716         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
7717         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
7718         * testsuite/debug_msg.sh: Avoid matching source line number for
7719         use of global variable undef_int.
7720
7721 2010-02-26  Doug Kwan  <dougkwan@google.com>
7722
7723         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
7724         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
7725         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
7726         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
7727         * options.cc (General_options::General_options): Initialize member
7728         fix_v4bx_.
7729         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
7730         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
7731         and rm_no_fix_v4bx.stdout
7732         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
7733         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
7734         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
7735         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
7736         and arm_no_fix_v4bx.
7737         * Makefile.in: Regenerate.
7738         * testsuite/arm_fix_v4bx.s: New file.
7739         * testsuite/arm_fix_v4bx.sh: Ditto.
7740
7741 2010-02-24  Doug Kwan  <dougkwan@google.com>
7742
7743         * arm.cc (Target_arm::got_section): Make the .got section the first
7744         non RELRO section in the data segment.
7745         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
7746         suffixes of section names.
7747
7748 2010-02-24  Doug Kwan  <dougkwan@google.com>
7749
7750         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
7751         flags and attributes merging if an input file is a binary file.
7752         * fileread.cc (Input_file::open): Record format of original file.
7753         * fileread.h (Input_file::Format): New enum type.
7754         (Input_file::Input_file): Initialize data member format_.
7755         (Input_file::format): New method definition.
7756         (Input_file::format_):: New data member.
7757
7758 2010-02-24  Doug Kwan  <dougkwan@google.com>
7759
7760         * arm.cc (Arm_output_data_got): New class.
7761         (ARM_TCB_SIZE): New constant
7762         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
7763         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
7764         If user uses a script with a SECTIONS clause, issue only a warning
7765         for a misplaced EXIDX input section.  Otherwise, issue an error.
7766         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
7767         garbage collection.
7768         (Target_arm::got_mode_index_entry): Handle static linking.
7769         (Target_arm::Scan::local): Ditto.
7770         (Target_arm::Scan::global): Ditto.
7771         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
7772         all incorrectly implemented relocations.
7773         (Target_arm::fix_exidx_coverage): Pass layout to
7774         Arm_output_section::fix_exidx_coverage.
7775         * layout.cc (Layout::section_name_mapping): Remove trailing dots
7776         from ".ARM.exidx." and ".ARM.extab.".
7777
7778 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7779
7780         * arm.cc (Target_arm::do_finalize_sections): Create attribute
7781         section if it does not already exist.
7782         * attributes.cc (Attributes_section_data::Attributes_section_data):
7783         Don't crash if size is zero.
7784
7785 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7786             Ian Lance Taylor  <iant@google.com>
7787
7788         * gold.cc (queue_middle_tasks): If no input files were opened,
7789         exit.
7790         * workqueue.h (Task_function::Task_function): Assert that there is
7791         a blocker.
7792
7793 2010-02-22  Doug Kwan  <dougkwan@google.com>
7794
7795         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7796         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7797         types to avoid warnings due to different uint64_t implementations
7798         on different hosts.
7799
7800 2010-02-21  Doug Kwan  <dougkwan@google.com>
7801
7802         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7803         handling of the maximum backward branch offset.
7804         (Arm_relocate_functions::thumb_branch_common): Ditto.
7805         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7806         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7807         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7808         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7809         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7810         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7811         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7812         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7813         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7814         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7815         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7816         thumb2_bl_out_of_range.o): New rules.
7817         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7818         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7819         thumb2_bl_out_of_range
7820         * testsuite/Makefile.in: Regenerate.
7821         * testsuite/arm_bl_in_range.s: New file.
7822         * testsuite/arm_bl_out_of_range.s: Ditto.
7823         * testsuite/arm_branch_in_range.sh: Ditto.
7824         * testsuite/arm_branch_range.t: Ditto.
7825         * testsuite/thumb2_branch_range.t: Ditto.
7826         * testsuite/thumb_bl_in_range.s: Ditto.
7827         * testsuite/thumb_bl_out_of_range.s: Ditto.
7828         * testsuite/thumb_branch_range.t: Ditto.
7829
7830 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7831
7832         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7833         Add reloc offset information.
7834         * icf.cc (get_section_contents): Change iterators to point to the new
7835         vectors. Add reloc offset information to the contents.
7836         * icf.h (Icf::Sections_reachable_info): New typedef.
7837         (Icf::Sections_reachable_list): New typedef.
7838         (Icf::Offset_info): New typedef.
7839         (Icf::Reloc_info): New struct typedef.
7840         (Icf::Reloc_info_list): New typedef.
7841         (Icf::symbol_reloc_list): Delete method.
7842         (Icf::addend_reloc_list): Delete method.
7843         (Icf::section_reloc_list): Delete method.
7844         (Icf::reloc_info_list): New method.
7845         (Icf::reloc_info_list_): New member.
7846
7847 2010-02-19  Doug Kwan  <dougkwan@google.com>
7848
7849         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7850         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7851         * arm.cc (Arm_relocation_functions): New forward declaration.
7852         (Target_arm::Target_arm): Initialize new data members
7853         got_mod_index_offset_ and tls_base_symbol_defined_.
7854         (Target_arm::Relocate::relocate_tls): New method.
7855         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7856          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7857         New methods.
7858         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7859         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7860         (Target_arm::got_mod_index_offset_,
7861         Target_arm::tls_base_symbol_defined_): New data members.
7862         (Target_arm::Scan::local, Target::Scan::global,
7863         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7864         relocations.
7865
7866 2010-02-18  Doug Kwan  <dougkwan@google.com>
7867
7868         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7869         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7870         text section as a parameter becuase some broken tools may not set
7871         the link in section header.
7872         (Target_arm::has_got_section): New method.
7873         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7874         without any mapping symbol as data only.  Remove warning.
7875         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7876         link in its section header, try to discover the link by inspecting the
7877         REL31 relocation at the beginning of the section.
7878         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7879         in error message.
7880         (Target_arm::Scan::global): Treat any reference to the symbol
7881         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7882
7883 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7884
7885         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7886         (Scan::global_reloc_may_be_function_pointer): New function.
7887         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7888         (Scan::global_reloc_may_be_function_pointer): New function.
7889         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7890         (Scan::global_reloc_may_be_function_pointer): New function.
7891         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7892         (Scan::global_reloc_may_be_function_pointer): New function.
7893         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7894         (Scan::global_reloc_may_be_function_pointer): New function.
7895         (Scan::possible_function_pointer_reloc): New function.
7896         (Target_x86_64::can_check_for_function_pointers): New function.
7897         * gc.h (gc_process_relocs): Scan relocation types to determine if
7898         function pointers were taken for targets that support it.
7899         * icf.cc (Icf::find_identical_sections): Include functions for
7900         folding in safe ICF whose pointer is not taken.
7901         * icf.h (Secn_fptr_taken_set): New typedef.
7902         (fptr_section_id_): New member.
7903         (section_has_function_pointers): New function.
7904         (set_section_has_function_pointers): New function.
7905         (check_section_for_function_pointers): New function.
7906         * options.h: Fix comment for safe ICF option.
7907         * target.h (can_check_for_function_pointers): New function.
7908         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7909         Modify icf_safe_test for X86-64.
7910         * testsuite/Makefile.in: Regenerate.
7911         * testsuite/icf_safe_so_test.cc: New file.
7912         * testsuite/icf_safe_so_test.sh: New file.
7913         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7914         (main): Change to take pointer to function kept_func_3.
7915         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7916         folding is done correctly for X86-64.
7917
7918 2010-02-12  David S. Miller  <davem@davemloft.net>
7919
7920         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7921         is_symbolless parameter.
7922         (Output_reloc<SHT_REL>::is_symbolless): New.
7923         (Output_reloc<SHT_REL>::is_symbolless_): New.
7924         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7925         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7926         (Output_reloc<SHT_RELA>::is_symbolless): New.
7927         (Output_data_reloc::add_global): Handle is_symbolless.
7928         (Output_data_reloc::add_global_relative): Likewise.
7929         (Output_data_reloc::add_local): Likewise.
7930         (Output_data_reloc::add_local_relative): Likewise.
7931         (Output_data_reloc::add_symbolless_global_addend): New.
7932         (Output_data_reloc::add_symbolless_local_addend): New.
7933         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7934         is_symbolless.
7935         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7936         instead of ->is_relative_
7937         (Output_reloc::write): Likewise.
7938         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7939         (Output_reloc::write_rel): Simplify.
7940
7941         * sparc.cc (Target_sparc::Scan::local): Use
7942         ->add_symbolless_local_addend as needed.
7943         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7944         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7945         based upon relocation offset.
7946
7947 2010-02-11  Doug Kwan  <dougkwan@google.com>
7948
7949         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7950         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7951         beginning of function.
7952         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7953         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7954         parameter is_32bit in calls to should_apply_static_reloc.
7955         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7956         (check_DATA): Add arm_abs_global.stdout.
7957         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7958         arm_abs_global.stdout): New rules.
7959         (MOSTLLYCLEANFILES): Add arm_abs_global
7960         * Makefile.in: Regenerate.
7961         * testsuite/arm_abs_global.s: New file.
7962         * testsuite/arm_abs_global.sh: Ditto.
7963         * testsuite/arm_abs_lib.s: Ditto.
7964
7965 2010-02-11  Ian Lance Taylor  <iant@google.com>
7966
7967         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7968         Read_relocs task.
7969         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7970         Allocate_commons_task first.
7971         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7972         task, rather than symtab_lock_.
7973         (Gc_process_relocs::~Gc_process_relocs): New function.
7974         (Gc_process_relocs::is_runnable): Check this_blocker_.
7975         (Gc_process_relocs::locks): Use next_blocker_ rather than
7976         blocker_.
7977         (Scan_relocs::~Scan_relocs): New function.
7978         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7979         symtab_lock_.
7980         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7981         next_blocker_.
7982         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7983         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7984         constructor accordingly.
7985         (class Gc_process_relocs): Likewise.
7986         (class Scan_relocs): Likewise.
7987         * common.h (class Allocate_commons_task): Remove symtab_lock_
7988         field, and corresponding constructor parameter.
7989         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7990         symtab_lock_.
7991         (Allocate_commons_task::locks): Likewise.
7992
7993 2010-02-11  Ian Lance Taylor  <iant@google.com>
7994
7995         * gold-threads.h (class Once): Define.
7996         (class Initialize_lock): Rewrite as child of Once.
7997         * gold-threads.cc (class Once_initialize): Define.
7998         (once_pointer_control): New static variable.
7999         (once_pointer, once_arg): New static variables.
8000         (c_run_once): New static function.
8001         (Once::Once, Once::run_once, Once::internal_run): New functions.
8002         (class Initialize_lock_once): Remove.
8003         (initialize_lock_control): Remove.
8004         (initialize_lock_pointer): Remove.
8005         (initialize_lock_once): Remove.
8006         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
8007         (Initialize_lock::initialize): Rewrite.
8008         (Initialize_lock::do_run_once): New function.
8009         * archive.cc (Archive::interpret_header): Only clear name if it is
8010         not already empty.
8011         * fileread.cc: Include "gold-threads.h"
8012         (file_counts_lock): New static variable.
8013         (file_counts_initialize_lock): Likewise.
8014         (File_read::release): Only increment counts when using --stats.
8015         Use a lock around the increment.
8016         * parameters.cc (class Set_parameters_target_once): Define.
8017         (set_parameters_target_once): New static variable.
8018         (Parameters::Parameters): Move here from parameters.h.
8019         (Parameters::set_target): Rewrite.
8020         (Parameters::set_target_once): New function.
8021         (Parameters::clear_target): Move here and rewrite.
8022         * parameters.h (class Parameters): Update declarations.  Add
8023         set_parameters_target_once_ field.
8024         (Parameters::Parameters): Move to parameters.cc.
8025         (Parameters::clear_target): Likewise.
8026         * readsyms.cc (Read_symbols::do_group): Create a Start_group
8027         task.
8028         (Start_group::~Start_group): New function.
8029         (Start_group::is_runnable): New function.
8030         (Start_group::locks, Start_group::run): New functions.
8031         (Finish_group::run): Change saw_undefined to size_t.
8032         * readsyms.h (class Start_group): Define.
8033         (class Finish_group): Change saw_undefined_ field to size_t.
8034         (Finish_group::Finish_group): Remove saw_undefined and
8035         this_blocker parameters.  Change all callers.
8036         (Finish_group::set_saw_undefined): New function.
8037         (Finish_group::set_blocker): New function.
8038         * symtab.h (class Symbol_table): Change saw_undefined to return
8039         size_t.  Change saw_undefined_ field to size_t.
8040         * target-select.cc (Set_target_once::do_run_once): New function.
8041         (Target_selector::Target_selector): Initialize set_target_once_
8042         field.  Don't initialize lock_ and initialize_lock_ fields.
8043         (Target_selector::instantiate_target): Rewrite.
8044         (Target_selector::set_target): New function.
8045         * target-select.h (class Set_target_once): Define.
8046         (class Target_selector): Update declarations.  Make
8047         Set_target_once a friend.  Remove lock_ and initialize_lock_
8048         fields.  Add set_target_once_ field.
8049
8050 2010-02-10  Ian Lance Taylor  <iant@google.com>
8051
8052         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
8053         queueing any tasks.
8054         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
8055         (queue_middle_tasks): Add all blockers before queueing any tasks.
8056         (queue_final_tasks): Likewise.
8057         * token.h (Task_token::add_blockers): New function.
8058         * object.h (Input_objects::number_of_relobjs): New function.
8059
8060 2010-02-10  Ian Lance Taylor  <iant@google.com>
8061
8062         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
8063         shared, not if not position independent.
8064         * x86_64.cc (Relocate::relocate_tls): Likewise.
8065         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
8066         (tls_pie_pic_test): New target.
8067         * testsuite/Makefile.in: Rebuild.
8068
8069         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
8070         (tls_test_main_pie.o, tls_test_pie.o): New targets.
8071         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
8072         * testsuite/Makefile.in: Rebuild.
8073
8074 2010-02-09  David S. Miller  <davem@davemloft.net>
8075
8076         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
8077         R_SPARC_RELATIVE using ->add_local_relative().
8078         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
8079
8080         * output.h (Output_data_dynamic::add_section_size): New method
8081         that takes two Output_data objects.
8082         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
8083         entry param.  Handle it in initializers.
8084         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
8085         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
8086         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
8087         arg.
8088         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
8089         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
8090         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
8091         for dynrel_includes_plt.
8092         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8093         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8094         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
8095         before .rela.plt
8096         (Target_sparc::do_finalize_sections): Update to pass true for
8097         dynrel_includes_plt.
8098         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
8099         output before .rela.plt
8100         (Target_powerpc::do_finalize_sections): Update to pass true for
8101         dynrel_includes_plt when 32-bit.
8102
8103 2010-02-08  Doug Kwan  <dougkwan@google.com>
8104
8105         * arm.cc (Arm_relobj::simple_input_section_output_address): New
8106         method.
8107         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
8108         Arm_relobj::scan_section_for_cortex_a8_stubs,
8109         Arm_relobj::do_relocation_section): Instead of calling
8110         Output_section::output_address, use faster
8111         Arm_relobj::simple_input_section_output_address.
8112
8113 2010-02-08  David S. Miller  <davem@davemloft.net>
8114
8115         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
8116         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
8117         relocation helper function.
8118
8119         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
8120         just like R_SPARC_GOT{10,13,22}.
8121         (Target_sparc::Scan::local): Likewise.
8122         (Target_sparc::Relocate:relocate): Likewise.
8123
8124 2010-02-06  Ian Lance Taylor  <iant@google.com>
8125
8126         * configure.ac: Rewrite targetobjs duplicate removal code to use
8127         only shell constructs.
8128         * configure: Rebuild.
8129
8130 2010-02-05  Doug Kwan  <dougkwan@google.com>
8131
8132         PR 11247
8133         * arm.cc (Arm_relobj::section_is_scannable): New method.
8134         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
8135         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
8136
8137 2010-02-04  Doug Kwan  <dougkwan@google.com>
8138
8139         PR 11247
8140         * arm-reloc-property.cc (cstdio): Include.
8141         * configure.ac (targetobjs): Remove duplicates.
8142         * configure: Regenerate.
8143         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
8144         big and little endian version for a given address size.
8145
8146 2010-02-03  Doug Kwan  <dougkwan@google.com>
8147
8148         * arm-reloc-property.cc
8149         (Arm_reloc_property_table::reloc_name_in_error_message): New method
8150         definition.
8151         * arm-reloc-property.h
8152         (Arm_reloc_property_table::get_implemented_static_reloc_property):
8153         New method definition.
8154         (Arm_reloc_property_table::reloc_name_in_error_message): New method
8155         declaration.
8156         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
8157         overflow to N.
8158         (GOT_PREL): Change implemented to Y.
8159         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
8160         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
8161         (Arm_relocate_functions::movw_abs_nc): Remove method.
8162         (Arm_relocate_functions::movt_abs): Ditto.
8163         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
8164         (Arm_relocate_functions::thm_movt_abs): Ditto.
8165         (Arm_relocate_functions::movw_rel_nc): Ditto.
8166         (Arm_relocate_functions::movw_rel): Ditto.
8167         (Arm_relocate_functions::movt_rel): Ditto.
8168         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
8169         (Arm_relocate_functions:thm_movw_rel): Ditto.
8170         (Arm_relocate_functions:thm_movt_rel): Ditto.
8171         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
8172         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
8173         New method definitions.
8174         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
8175         (Arm_relocation_functions::arm_grp_ldr): Ditto.
8176         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
8177         (Arm_relocation_functions::arm_grp_ldc): Ditto.
8178         (Target_arm::Relocate::relocate): Check for non-static or
8179         unimplemented relocation code and exit early.  Change calls to
8180         Target_arm::reloc_uses_thumb_bit and
8181         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
8182         instead.  Refactor code to handle similar relocations to increase
8183         code sharing.  Remove check for unsupported relocation code in switch
8184         statement.
8185         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
8186         relocation property table to find out size.  Change error message to
8187         print out the name of a relocation code instead of the numeric value.
8188         (Target_arm::scan_reloc_for_stub): Use relocation property table
8189         instead of calling Target_arm::reloc_uses_thumb_bit().
8190
8191 2010-02-02  Doug Kwan  <dougkwan@google.com>
8192
8193         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
8194         types of relaxed input section.
8195
8196 2010-02-02  Doug Kwan  <dougkwan@google.com>
8197
8198         * Makefile.am (HFILES): Add arm-reloc-property.h.
8199         (DEFFILES): New.
8200         (TARGETSOURCES): Add arm-reloc-property.cc
8201         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
8202         (libgold_a_SOURCES): $(DEFFILES)
8203         * Makefile.in: Regenerate.
8204         * arm-reloc-property.cc: New file.
8205         * arm-reloc-property.h: New file.
8206         * arm-reloc.def: New file.
8207         * arm.cc: Update comments.
8208         (arm-reloc-property.h): New included header.
8209         (arm_reloc_property_table): New global variable.
8210         (Target_arm::do_select_as_default_target): New method definition.
8211         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
8212         arm-reloc-property to targ_extra_obj.
8213         * parameters.cc (set_parameters_target): Call
8214         Target::select_as_default_target().
8215         * target.h (Target::select_as_default_target): New method definition.
8216         (Target::do_select_as_default_target): Same.
8217
8218 2010-02-01  Doug Kwan  <dougkwan@google.com>
8219
8220         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
8221         first_output_text_section_.
8222         (Arm_exidx_fixup::first_output_text_section): New method definition.
8223         (Arm_exidx_fixup::first_output_text_section_): New data member.
8224         (Arm_exidx_fixup::process_exidx_section): Record the first text
8225         output section seen.
8226         (Arm_output_section::fix_exidx_coverage): Set correct linked section
8227         and entsize in output section header.
8228
8229 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8230
8231         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
8232         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
8233         (Arm_relocate_functions::thm_alu11): New Method.
8234         (Arm_relocate_functions::thm_pc8): New Method.
8235         (Arm_relocate_functions::thm_pc12): New Method.
8236         (Target_arm::Scan::local): Handle the relocations.
8237         (Target_arm::Scan::global): Likewise.
8238         (Target_arm::Relocate::relocate): Likewise.
8239         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8240
8241 2010-01-29  Doug Kwan  <dougkwan@google.com>
8242
8243         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
8244         of relocation types as ld.
8245
8246 2010-01-29  Doug Kwan  <dougkwan@google.com>
8247
8248         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
8249         to public.
8250         (Arm_relocate_functions::thumb_branch_common): Ditto.
8251         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
8252         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
8253         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
8254         Arm_relocate_functions::jump24): Remove.
8255         (Target_arm::Relocate::relocate): Adjust code to call
8256         Arm_relocation_functions::arm_branch_common and
8257         Arm_relocation_functions::thumb_branch_common instead of their removed
8258         wrappers.  Merge switch-cases together to reduce source code size.
8259
8260 2010-01-29  Doug Kwan  <dougkwan@google.com>
8261
8262         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
8263         output_local_symbol_count_needs_update_.
8264         (Arm_relobj::output_local_symbol_count_needs_update,
8265          Arm_relobj::set_output_local_symbol_count_needs_update,
8266          Arm_relobj::update_output_local_symbol_count): New methods.
8267         (Arm_relobj::output_local_symbol_count_needs_update_): New data
8268         member.
8269         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
8270         of pointed function as in a R_ARM_PREL31 relocation.
8271         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
8272         for output local symbol count updating.
8273         (Target_arm::do_relax): Update output local symbol counts in objects
8274         if necessary.
8275         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
8276
8277 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8278
8279         * arm.cc: Added support for the ARM relocations:
8280         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
8281         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
8282         (Arm_relocate_functions::movw_rel_nc): Renamed (was
8283         movw_prel_nc).
8284         (Arm_relocate_functions::movw_rel): New method.
8285         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
8286         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
8287         thm_movw_prel_nc).
8288         (Arm_relocate_functions::thm_movw_rel): New method.
8289         (Arm_relocate_functions::thm_movt_rel): Renamed (was
8290         thm_movt_prel).
8291         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
8292         relocations.
8293         (Target_arm::Scan::global): Likewise.
8294         (Target_arm::Relocate::relocate): Likewise.
8295         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8296         Likewise.
8297
8298 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8299
8300         * arm.cc: Added support for ARM group relocations.
8301         (Target_arm::reloc_needs_sym_origin): New method.
8302         (Arm_relocate_functions::calc_grp_kn): New method.
8303         (Arm_relocate_functions::calc_grp_residual): New method.
8304         (Arm_relocate_functions::calc_grp_gn): New method.
8305         (Arm_relocate_functions::arm_grp_alu): New Method.
8306         (Arm_relocate_functions::arm_grp_ldr): New Method.
8307         (Arm_relocate_functions::arm_grp_ldrs): New Method.
8308         (Arm_relocate_functions::arm_grp_ldc): New Method.
8309         (Target_arm::Scan::local): Handle the ARM group relocations.
8310         (Target_arm::Scan::global): Likewise.
8311         (Target_arm::Relocate::relocate): Likewise.
8312         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8313         Likewise.
8314
8315 2010-01-26  Doug Kwan  <dougkwan@google.com>
8316
8317         * arm.cc (set): Include.
8318         (class Arm_exidx_fixup): Change type of last_input_section_ to const
8319         pointer type.
8320         (Arm_output_section::Text_section_list): New type.
8321         (Arm_output_section::append_text_sections_to_list): New method.
8322         (Arm_output_section::fix_exidx_coverage): Ditto.
8323         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
8324         (Arm_relobj::convert_input_section_to_relaxed_section): Use
8325         Relobj::set_section_offset() instead of
8326         Sized_relobj::invalidate_section_offset().
8327         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
8328         parameter for section headers. Ignore relocation sections for
8329         unallocated sections and EXIDX sections.
8330         (Target_arm::fix_exidx_coverage): New method.
8331         (Target_arm::output_section_address_less_than): New type.
8332         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
8333         linked text section instead of the EXIDX section.
8334         (Arm_output_section::create_stub_group): Add an assertion to check
8335         that this is not an EXIDX output section.
8336         (Arm_output_section::append_text_sections_to_list): New method.
8337         (Arm_output_section::fix_exidx_coverage): Ditto.
8338         (Arm_relobj::scan_sections_for_stubs): Adjust call to
8339         Arm_relobj::section_needs_reloc_stub_scanning.
8340         (Target_arm::do_relax): Fix EXIDX output section coverage in the
8341         first pass.
8342         (Target_arm::fix_exidx_coverage): New method.
8343         * object.h (Relobj::set_output_section): New method.
8344         (Sized_relobj::invalidate_section_offset): Remove method.
8345         (Sized_relobj::do_invalidate_section_offset): Remove method.
8346         (Sized_relobj::do_set_section_offset): Handle offset value -1.
8347
8348 2010-01-25  Doug Kwan  <dougkwan@google.com>
8349
8350         * arm.cc (Arm_exidx_merged_section::do_output_offset):
8351         Fix warning due to signed and unsigned comparison on a 32-bit host.
8352
8353 2010-01-22  Doug Kwan  <dougkwan@google.com>
8354
8355         * arm.cc (Target_arm::do_relax): Record an output section for section
8356         offset adjustment it contains any stub table that has changed.
8357         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
8358         offsets in an output section if necessary.
8359         * output.cc (Output_section::Output_section): Initialize
8360         section_offsets_need_adjustments_.
8361         (Output_section::add_input_section_for_script): Renamed to
8362         Output_section::add_simple_input_section.
8363         (Output_section::save_states): Add a comment.
8364         (Output_section::discard_states): New method defintion.
8365         (Output_section::adjust_section_offsets): Same.
8366         * output.h (Output_section::add_input_section_for_script): Renamed to
8367         Output_section::add_simple_input_section.
8368         (Output_section::discard_states): New method declaration.
8369         (Output_section::adjust_section_offsets): Same.
8370         (Output_section::section_offsets_need_adjustment,
8371         Output_section::set_section_offsets_need_adjustment): New method
8372         definitions.
8373         (Output_section::section_offsets_need_adjustment_): New data member.
8374         * script-sections.cc
8375         (Output_section_element_input::set_section_address): Adjust code for
8376         renaming of Output_section::add_input_section_for_script.
8377         (Orphan_output_section::set_section_address): Same.
8378
8379 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8380
8381         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
8382         Fix_v4bx enum values .
8383         * gold/options.h (General_options): New option definitions.
8384         (General_options::fix_v4bx): New method.
8385         (General_options::Fix_v4bx): New enum.
8386         * gold/options.cc (General_options::parse_fix_v4bx): New method.
8387         (General_options::parse_fix_v4bx_interworking): New method.
8388
8389 2010-01-22  Doug Kwan  <dougkwan@google.com>
8390
8391         * arm.cc (Arm_exidx_fixup): New class.
8392
8393 2010-01-21  Doug Kwan  <dougkwan@google.com>
8394
8395         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
8396         classes.
8397         (Arm_exidx_section_offset_map): New type.
8398
8399 2010-01-21  Doug Kwan  <dougkwan@google.com>
8400
8401         * arm.cc (Arm_exidx_input_section): New class.
8402         (Arm_relobj::exidx_input_section_by_link,
8403         Arm_relobj::exidx_input_section_by_shndx,
8404         Arm_relobj::make_exidx_input_section): New methods.
8405         (read_arm_attributes_section): Remove.
8406         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
8407         information about them.
8408         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
8409         to here.
8410
8411 2010-01-20  Doug Kwan  <dougkwan@google.com>
8412
8413         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
8414         Input_section_specifier to Section_id.
8415         (Target_arm::new_arm_input_section: Adjust code for change of key
8416         type.
8417         (Target_arm::find_arm_input_section): Ditto.
8418         * gc.h (object.h): Include for Section_id nand Section_id_hash.
8419         (Section_id): Remove.
8420         (Garbage_collection::Section_id_hash): Remove.
8421         * icf.h (object.h): Include for Section_id nand Section_id_hash.
8422         (Section_id): Remove.
8423         (Icf::Section_id_hash): Remove.
8424         * object.h (Section_id, Const_section_id, Section_id_hash,
8425         Const_section_id_hash): New type definitions.
8426         * output.cc (Output_section::add_relaxed_input_section): Change to
8427         use Const_section_id instead of Input_section_specifier as key type.
8428         (Output_section::add_merge_input_section): Ditto.
8429         (Output_section::build_relaxation_map): Change to use Section_id
8430         instead of Input_section_specifier as key type.
8431         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8432         Ditto.
8433         (Output_section::convert_input_sections_to_relaxed_sections): Change
8434         to use Const_section_id instead of Input_section_specifier as key type.
8435         (Output_section::find_merge_section): Ditto.
8436         (Output_section::find_relaxed_input_section): Ditto.
8437         * output.h (Input_section_specifier): Remove class.
8438         (Output_section::Output_section_data_by_input_section_map): Change
8439         key type to Const_section_id.
8440         (Output_section::Output_relaxed_input_section_by_input_section_map):
8441         Ditto.
8442         (Output_section::Relaxation_map): Change key type to Section_id.
8443
8444 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8445
8446         * gold/arm.cc: Added support for R_ARM_V4BX relocation
8447         (class Arm_v4bx_stub): New class.
8448         (DEF_STUBS): Updated definition to support v4_veneer_bx.
8449         (Stub_factory::make_arm_v4bx_stub): New method.
8450         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
8451         (Stub_table::empty): Handle v4bx stubs.
8452         (Stub_table::add_arm_v4bx_stub): New method.
8453         (Stub_table::find_arm_v4bx_stub): New method.
8454         (Arm_relocate_functions::v4bx): New method.
8455         (Target_arm::fix_v4bx): New method.
8456         (Target_arm::Target_arm): Handle R_ARM_V4BX.
8457         (Stub_table::relocate_stubs): Likewise.
8458         (Stub_table::do_write): Likewise.
8459         (Stub_table::update_data_size_and_addralign): Likewise.
8460         (Stub_table::finalize_stubs):  Likewise.
8461         (Target_arm::Scan::local): Likewise.
8462         (Target_arm::Scan::global): Likewise.
8463         (Target_arm::do_finalize_sections): Likewise.
8464         (Target_arm::Relocate::relocate): Likewise.
8465         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8466         Likewise.
8467         (Target_arm::scan_reloc_for_stub): Likewise.
8468         (Target_arm::scan_reloc_section_for_stubs): Likewise.
8469
8470 2010-01-19  Ian Lance Taylor  <iant@google.com>
8471
8472         * output.cc (Output_section_headers::do_sized_write): Write large
8473         segment count to sh_info field.
8474         (Output_file_header::do_sized_write): For large segment count,
8475         write PN_XNUM to e_phnum field.
8476
8477 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8478
8479         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
8480         (Arm_relocate_functions::thm_jump8): New function.
8481         (Arm_relocate_functions::thm_jump11): New function.
8482         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
8483         R_ARM_THM_JUMP11.
8484         (Target_arm::Scan::global): Likewise.
8485         (Target_arm::Relocate::relocate): Likewise.
8486         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8487         Likewise.
8488
8489 2010-01-14  Doug Kwan  <dougkwan@google.com>
8490
8491         * arm.cc (map, utility): Include headers.
8492         (Target_arm::apply_cortex_a8_workaround): New method.
8493         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
8494         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
8495         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
8496         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
8497         the --[no-]fix-cortex-a8 command line options.
8498         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
8499         (Target_arm::relocate_stub): Use addend in instruction template.
8500         * options.h (DEFINE_bool): Set the user-set flag.
8501         (General_options): Add --[no-]-fix-cortex options.
8502         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
8503         : Update fast look-up map after conversion.
8504
8505 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
8506
8507         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
8508         in the first pass of do_layout.
8509
8510 2010-01-13  Doug Kwan  <dougkwan@google.com>
8511
8512         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8513         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
8514         apparent compiler problem of not folding static constant integral
8515         data members of elfcpp::Elf_sizes<32>.
8516
8517 2010-01-13  Doug Kwan  <dougkwan@google.com>
8518
8519         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8520         Arm_relobj::section_needs_cortex_a8_stub_scanning,
8521         Arm_relobj::scan_section_for_cortex_a8_erratum,
8522         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
8523         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
8524         sections to scan for relocation stubs into a new method
8525         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
8526         relocation and Cortex-A8 stub scanning.
8527         (Target_arm::do_relax): Force stubs to be after stubbed sections
8528         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
8529         the beginning of a new relaxation pass.  Update a comment.
8530         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
8531
8532 2010-01-12  Ian Lance Taylor  <iant@google.com>
8533
8534         * target-reloc.h (visibility_error): New inline function.
8535         (relocate_section): Call visibility_error.
8536         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
8537         (MOSTLYCLEANFILES): Likewise.
8538         (protected_4_pic.o, protected_3.err): New targets.
8539         * testsuite/protected_4.cc: New file.
8540
8541 2010-01-12  Doug Kwan  <dougkwan@google.com>
8542
8543         * arm.cc (Cortex_a8_reloc): New class.
8544         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
8545         and cortex_a8_relocs_info_.
8546         (Target_arm::fix_cortex_a8): New method definition.
8547         (Target_arm::Cortex_a8_relocs_info): New type.
8548         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
8549         New data member declarations.
8550         (Target_arm::scan_reloc_for_stub): Record information about
8551         relocations for THUMB branches that might be exempted from the
8552         Cortex-A8 workaround.
8553         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
8554         at the beginning of a relaxation pass.
8555
8556 2010-01-12  Doug Kwan  <dougkwan@google.com>
8557
8558         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
8559         (Arm_relobj::Mapping_symbol_position,
8560          Arm_reloj::Mapping_symbol_position_less,
8561          Arm_relobj::Mapping_symbols_info): New types.
8562         (Target_arm::is_mapping_symbol_name): New method definition.
8563         (Arm_relobj::do_count_local_symbols): Save information about mapping
8564         symbols.
8565
8566 2010-01-11  Doug Kwan  <dougkwan@google.com>
8567
8568         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
8569         Arm_relocate_functions::thumb32_branch_upper,
8570         Arm_relocate_functions::thumb32_branch_lower,
8571         Arm_relocate_functions::thumb32_cond_branch_offset,
8572         Arm_relocate_functions::thumb32_cond_branch_upper,
8573         Arm_relocate_functions::thumb32_cond_branch_lower,
8574         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
8575         branch offset encoding.
8576         (Arm_relocate_functions::thumb_branch_common): Use new branch
8577         offset encoding methods to avoid code duplication.
8578         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
8579         (Stub_addend_reader::operator()): Use new branch encoding method
8580         to avoid code duplication.
8581
8582 2010-01-11  Doug Kwan  <dougkwan@google.com>
8583
8584         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
8585         (Target_arm::do_finalize_sections): Define special EXIDX section
8586         symbols only if referenced.
8587         * gc.h (Garbage_collection::add_reference): New method.
8588         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
8589         code duplication.
8590
8591 2010-01-11  Ian Lance Taylor  <iant@google.com>
8592
8593         * script.cc (Version_script_info::build_expression_list_lookup):
8594         Change complaing about duplicate wildcard match from error to
8595         warning.
8596
8597         * script.cc (class Lazy_demangler): Recreate--revert part of patch
8598         of 2009-12-30.
8599         (Version_script_info::Version_script_info): Initialize globs_,
8600         default_version_, default_is_global_, and exact_.  Don't
8601         initialize globals_ or locals_.
8602         (Version_script_info::build_lookup_tables): Build local symbols
8603         first.
8604         (Version_script_info::unquote): New function.
8605         (Version_script_info::add_exact_match): New function.
8606         (Version_script_info::build_expression_list_lookup): Remove lookup
8607         parameter.  Add is_global parameter.  Change all callers.  Handle
8608         wildcard pattern specially.  Unquote pattern.  Call
8609         add_exact_match.
8610         (Version_script_info::get_name_to_match): New function.
8611         (Version_script_info::get_symbol_version): New function.
8612         (Version_script_info::get_symbol_version_helper): Remove.
8613         (Version_script_info::check_unmatched_names): Call unquote.
8614         * script.h (class Version_script_info): Change get_symbol_version
8615         to be non-inline and add is_global parameter; change all callers.
8616         Rewrite symbol_is_local.  Update declarations.  Define struct
8617         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
8618         Remove globals_ and locals_ members.  Add exact_, globs_,
8619         default_version_, is_global_.
8620         (Version_script_info::Glob): Remove pattern, add expression and
8621         is_global.  Update constructor.  Change all callers.
8622         * dynobj.cc (Versions::finalize): Mark the version symbol as the
8623         default version.
8624         (Versions::symbol_section_contents): If a symbol is undefined, or
8625         defined in a dynamic object, set the version index to
8626         VER_NDX_LOCAL.
8627         * symtab.cc (Symbol_table::add_from_relobj): Don't call
8628         symbol_is_local.
8629         (Symbol_table::add_from_pluginobj): Likewise.
8630         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
8631
8632 2010-01-11  Doug Kwan  <dougkwan@google.com>
8633
8634         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
8635         (incremental_dump_LDADD): Add linking option for libintl.
8636         * Makefile.in: Regenerate.
8637
8638 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8639
8640         PR gold/11144
8641         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
8642         instead of -Ds.
8643         * testsuite/Makefile.in: Regenerated.
8644
8645 2010-01-10  Doug Kwan  <dougkwan@google.com>
8646
8647         * options.h (DEFINE_var): Use parentheses around argument varname__
8648         in macro body to avoid any unintended subsequent substitutions.
8649
8650 2010-01-10  Ian Lance Taylor  <iant@google.com>
8651
8652         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
8653         candidates before doing symbol resolution.
8654
8655         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
8656         ODR candidates if only one is weak.
8657
8658 2010-01-08  Ian Lance Taylor  <iant@google.com>
8659
8660         * script.cc (Version_script_info::build_expression_list_lookup):
8661         Don't warn about ambiguous version, just record the ambiguity.
8662         (Version_script_info::get_symbol_version_helper): Give error if
8663         version is ambiguous.
8664
8665 2010-01-08  Doug Kwan  <dougkwan@google.com>
8666
8667         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
8668         prev_data_size_ and prev_addralign_.  Remove initializer for
8669         deleted data member has_been_changed_.
8670         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
8671         to determine if the table is empty.
8672         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
8673         Remove.
8674         (Stub_table::add_reloc_stub): Define method in class definition
8675         instead of just declaring it there.
8676         (Stub_table::add_cortex_a8_stub): New method definition.
8677         (Stub_table::update_data_size_and_addralign): Ditto.
8678         (Stub_table::finalize_stubs): Ditto.
8679         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
8680         (Stub_table::do_addralign_): Return address alignment in the
8681         (Stub_table::do_reset_address_and_file_offset): Define method in
8682         class definition instead of declaring it there.  Set current data
8683         size to be the data size of the previous pass.
8684         (Stub_table::set_final_data_size): Use current data size as the
8685         final data size.
8686         (Stub_table::relocate_stub): Change parameter type of stub from
8687         Reloc_stub pointer to Stub pointer.
8688         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
8689         (Stub_table::Cortex_a8_stub_list): New typedef.
8690         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
8691          Stub_table::prev_addralign_): New data member.
8692         (Arm_relobj::Arm_relobj): Initialize data member
8693         section_has_cortex_a8_workaround_.
8694         (Arm_relobj::section_has_cortex_a8_workaround,
8695          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
8696          definitions.
8697         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
8698         declarations.
8699         (Target_arm::relocate_stub): Change parameter type of stub from
8700         Reloc_stub pointer to Stub pointer.
8701         (Insn_template::size, Insn_template::alignment): Handle
8702         THUMB16_SPECIAL_TYPE.
8703         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
8704          Stub_table::update_data_size_and_addralign,
8705          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
8706         definitions.
8707         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
8708         (Stub_table::do_write): Ditto.
8709         (Target_arm::do_relax): Adjust code for changes in Stub_table.
8710
8711 2010-01-08  Ian Lance Taylor  <iant@google.com>
8712
8713         PR 11108
8714         * symtab.h (class Symbol): Remove fields is_target_special_ and
8715         has_plt_offset_.  Add field is_defined_in_discarded_section_.
8716         (Symbol::is_defined_in_discarded_section): New function.
8717         (Symbol::set_is_defined_in_discarded_section): New function.
8718         (Symbol::has_plt_offset): Rewrite.
8719         (Symbol::set_plt_offset): Verify that new offset is not -1U.
8720         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
8721         Don't initialize is_target_special_ or has_plt_offset_.
8722         Initialize is_defined_in_discarded_section_.
8723         (Symbol_table::add_from_relobj): If appropriate, set
8724         is_defined_in_discarded_section.
8725         * resolve.cc (Symbol::override_base_with_special): Don't test
8726         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
8727         * target-reloc.h (relocate_section): Do special handling for
8728         symbols defined in discarded sections for global symbols as well
8729         as local symbols.
8730
8731 2010-01-08  Ian Lance Taylor  <iant@google.com>
8732
8733         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
8734         the SHT_SYMTAB case.
8735
8736 2010-01-08  Ian Lance Taylor  <iant@google.com>
8737
8738         * object.cc (Sized_relobj::do_layout): Don't get confused if
8739         layout_eh_frame returns NULL.
8740
8741 2010-01-08  Ian Lance Taylor  <iant@google.com>
8742
8743         PR 11084
8744         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
8745         dynamic symbol table, use the normal symbol table.
8746         (Sized_dynobj::do_read_symbols): Remove assertion about type of
8747         symbol table.
8748
8749 2010-01-08  Ian Lance Taylor  <iant@google.com>
8750
8751         PR 11072
8752         * layout.cc (Layout::include_section): Remove .gnu_debuglink
8753         sections.
8754
8755 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8756
8757         * version.cc (print_version): Change to "Copyright 2010".
8758
8759 2010-01-08  Ian Lance Taylor  <iant@google.com>
8760
8761         PR 10287
8762         PR 11063
8763         * i386.cc (class Target_i386): Change return type of plt_section
8764         to be non-const.
8765         (class Output_data_plt_i386): Add tls_desc_rel_ field.
8766         (Output_data_plt_i386::Output_data_plt_i386): Initialize
8767         tls_desc_rel_ field.
8768         (Output_data_plt_i386::rel_tls_desc): New function.
8769         (Target_i386::rel_tls_desc_section): New function.
8770         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
8771         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
8772         R_386_TLS_DESC reloc in rel_tls_desc_section.
8773         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
8774         Define struct Tlsdesc_info.
8775         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
8776         (Target_x86_64::do_reloc_symbol_index): New function.
8777         (Target_x86_64::add_tlsdesc_info): New function.
8778         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
8779         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
8780         tlsdesc_rel_ field.
8781         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
8782         all callers.
8783         (Output_data_plt_x86_64::rela_tlsdesc): New function.
8784         (Target_x86_64::rela_tlsdesc_section): New function.
8785         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
8786         handling.
8787         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
8788         (Target_x86_64::do_reloc_addend): New function.
8789         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
8790         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
8791         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
8792         (Output_reloc::type): New function.
8793         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
8794         (Output_reloc::is_target_specific): New function.
8795         (Output_reloc::target_arg): New function.
8796         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8797         absolute relocs and target specific relocs.
8798         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8799         add_target_specific.
8800         (class Output_data_reloc) [SHT_RELA]: Likewise.
8801         * output.cc (Output_reloc::Output_reloc): Add four new versions
8802         for absolute relocs and target specific relocs.
8803         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8804         (Output_reloc::get_symbol_index): Likewise.
8805         (Output_reloc::local_section_offset): Check that local_sym_index_
8806         is not TARGET_CODE or 0.
8807         (Output_reloc::symbol_value): Likewise.
8808         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8809         reloc.
8810         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8811         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8812         functions.
8813         * layout.cc (add_target_dynamic_tags): Use output section for
8814         DT_PLTRELSZ and DT_JMPREL.
8815
8816 2010-01-07  Ian Lance Taylor  <iant@google.com>
8817
8818         PR 11061
8819         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8820         function.
8821         (class Output_data_reloc_generic): Define.
8822         (class Output_data_reloc_base): Change base class to
8823         Output_data_reloc_generic.  Change add() method to call
8824         bump_relative_reloc_count for a relative reloc.  Remove
8825         sort_relocs_ field.
8826         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8827         to sort_relocs().
8828         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8829         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8830         appropriate.
8831         * layout.h (class Layout): Update declaration.
8832
8833 2010-01-07  Ian Lance Taylor  <iant@google.com>
8834
8835         * output.h (class Output_data): Add const version of
8836         output_section and do_output_section.
8837         (class Output_section_data): Add const version of
8838         do_output_section.
8839         (class Output_section): Likewise.
8840         * layout.cc (Layout::add_target_dynamic_tags): New function.
8841         * layout.h (class Layout): Update declarations.
8842         * arm.cc (Target_arm::do_finalize_sections): Use
8843         add_target_dynamic_tags.
8844         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8845         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8846         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8847         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8848
8849 2010-01-07  Ian Lance Taylor  <iant@google.com>
8850
8851         PR 11042
8852         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8853         object as needed.
8854
8855 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8856             Ian Lance Taylor  <iant@google.com>
8857
8858         PR 11019
8859         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8860         Xindex::read_symtab_xindex.
8861
8862 2010-01-07  Doug Kwan  <dougkwan@google.com>
8863
8864         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8865         (Insn_template::thumb16_bcond_insn): New method declaration.
8866         (Insn_template): Fix spelling.
8867         (Stub::thumb16_special): New method declaration.
8868         (Stub::do_write): Define virtual method which was previously pure
8869         virtual.
8870         (Stub::do_thumb16_special): New method declaration.
8871         (Stub::do_fixed_endian_write): New template member.
8872         (Reloc_stub::do_write): Remove.
8873         (Reloc_stub::do_fixed_endian_write): Remove.
8874         (Cortex_a8_stub): New class definition.
8875         (Stub_factory::make_cortex_a8_stub): New method definition.
8876         (Stub_factory::Stub_factory): Add missing static storage class
8877         qualifier for elf32_arm_stub_a8_veneer_blx.
8878
8879 2010-01-07  Ian Lance Taylor  <iant@google.com>
8880
8881         PR 10980
8882         * options.h (class General_options): Add --warn-unresolved-symbols
8883         and --error-unresolved-symbols.
8884         * errors.cc (Errors::undefined_symbol): Implement
8885         --warn-unresolved-symbols.
8886
8887         * options.h (class General_options): Add -z text and -z textoff.
8888         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8889
8890 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8891
8892         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8893         (Garbage_collection::cident_sections): New function.
8894         (Garbage_collection::add_cident_section): New function.
8895         (Garbage_collection::cident_sections_): New member.
8896         (gc_process_relocs): Add references to sections whose names are C
8897         identifiers.
8898         * gold.h (cident_section_start_prefix): New constant.
8899         (cident_section_stop_prefix): New constant.
8900         (is_cident): New function.
8901         * layout.cc (Layout::define_section_symbols): Replace string constants
8902         with the newly defined constants.
8903         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8904         C identifiers.
8905         * testsuite/Makefile.am: Add gc_orphan_section_test.
8906         * testsuite/Makefile.in: Regenerate.
8907         * testsuite/gc_orphan_section_test.cc: New file.
8908         * testsuite/gc_orphan_section_test.sh: New file.
8909
8910 2010-01-06  Ian Lance Taylor  <iant@google.com>
8911
8912         PR 10980
8913         * options.h (class General_options): Add --warn-shared-textrel.
8914         * layout.cc (Layout::finish_dynamic_section): Implement
8915         --warn-shared-textrel.
8916
8917         PR 10980
8918         * options.h (class General_options): Add --warn-multiple-gp.
8919
8920 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8921
8922         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8923         $(THREADSLIB) and $(LIBDL).
8924         * Makefile.in: Rebuild.
8925
8926 2010-01-06  Ian Lance Taylor  <iant@google.com>
8927
8928         PR 10980
8929         * options.cc (General_options::parse_section_start): New function.
8930         (General_options::section_start): New function.
8931         (General_options::General_options): Initialize all members.
8932         * options.h: Include <map>
8933         (class General_options): Add --section-start.  Add section_starts_
8934         member.
8935         * layout.cc (Layout::attach_allocated_section_to_segment): If
8936         --section-start was used, set the address of the segment.  Remove
8937         local sort_sections.
8938         (Layout::relaxation_loop_body): If the address of the load segment
8939         has been set by --section-start, don't use it.
8940         * output.h (Output_segment::update_flags_for_output_section): New
8941         function.
8942         * output.cc (Output_segment::add_output_section): Call
8943         update_flags_for_output_section.
8944
8945 2010-01-05  Ian Lance Taylor  <iant@google.com>
8946
8947         PR 10980
8948         * options.h (class General_options): Add --undefined-version.
8949         * script.cc (struct Version_expression): Add was_matched_by_symbol
8950         field.
8951         (Version_script_info::matched_symbol): New function.
8952         (Version_script_info::get_symbol_version_helper): Call
8953         matched_symbol.
8954         (Version_script_info::check_unmatched_names): New function.
8955         * script.h (class Version_script_info): Update declarations.
8956         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8957
8958         * options.h (class General_options): Use DEFINE_bool_alias for
8959         allow_multiple_definition.
8960         * resolve.cc (Symbol_table::should_override): Don't test
8961         allow_multiple_definition.
8962
8963         PR 10980
8964         * options.h (class General_options): Add --cref.
8965         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8966         until after printing cref table.
8967         * cref.cc: Include "symtab.h".
8968         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8969         (Cref_table_compare::operator()): New function.
8970         (Cref_inputs::gather_cref): New function.
8971         (filecol): New static const.
8972         (Cref_inputs::print_cref): New function.
8973         (Cref::print_cref): New function.
8974         * cref.h: Include <cstdio>.
8975         (class Cref): Update declarations.
8976         * mapfile.h (Mapfile::file): New function.
8977         * object.h (class Object): Define Symbols.  Declare virtual
8978         do_get_global_symbols.
8979         (Object::get_global_symbols): New function.
8980         * object.cc (Input_objects::add_object): Pass object to cref_ if
8981         --cref.
8982         (Input_objects::archive_start): Likewise.
8983         (Input_objects::archive_stop): Likewise.
8984         (Input_objects::print_cref): New function.
8985         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8986         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8987         --cref.
8988         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8989         function.
8990         * plugin.h (class Sized_pluginobj): Update declarations.
8991
8992 2010-01-05  Ian Lance Taylor  <iant@google.com>
8993
8994         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8995         to is_default_version.  Rename insdef to insdefault.
8996         (Symbol_table::add_from_relobj): Rename def to is_default_version
8997         and local to is_forced_local.
8998         (Symbol_table::add_from_pluginobj): Likewise.
8999         (Symbol_table::add_from_dynobj): Likewise.
9000         (Symbol_table::define_special_symbol): Rename insdef to
9001         insdefault.
9002
9003 2010-01-04  Ian Lance Taylor  <iant@google.com>
9004
9005         PR 10980
9006         * options.h (class General_options): Add
9007         --allow-multiple-definition and -z muldefs.
9008         * resolve.cc (Symbol_table::should_override): Don't warn about a
9009         multiple symbol definition if --allow-multiple-definition or -z
9010         muldefs.
9011
9012         PR 10980
9013         * options.h (class General_options): Add --add-needed and
9014         --copy-dt-needed-entries.  Tweak --as-needed help entry.
9015         * object.cc (Input_objects::check_dynamic_dependencies): Give an
9016         error if --copy-dt-needed-entries aka --add-needed is used and
9017         would cause a change in behaviour.
9018
9019         PR 10980
9020         * options.h (class General_options): Add -G as a short version of
9021         --shared.  Add no-op options -assert, -g, and -i.
9022
9023 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
9024
9025         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
9026         check for .text or .gnu.linkonce.t sections.
9027         * icf.cc (Icf::find_identical_sections): Ditto.
9028         Change the detection for mangled function name within the section
9029         name.
9030         * icf.h (is_section_foldable_candidate): New function.
9031
9032 2009-12-30  Ian Lance Taylor  <iant@google.com>
9033
9034         PR 10980
9035         * options.h (class General_options): Permit two dashes with
9036         --retain-symbols-file.
9037
9038 2009-12-30  Ian Lance Taylor  <iant@google.com>
9039
9040         PR 10979
9041         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
9042         don't put the file header and segment headers in the text
9043         segment.
9044
9045         PR 10979
9046         * common.cc (Sort_commons::operator()): Stabilize sort when both
9047         entries are NULL.
9048         (Symbol_table::do_allocate_commons_list): When allocating common
9049         symbols, skip a symbol which is no longer common.
9050         * symtab.h (Symbol::is_common): Test whether the symbol comes from
9051         an object before checking its type.
9052         * testsuite/common_test_2.c: New file.
9053         * testsuite/common_test_3.c: New file.
9054         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
9055         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
9056         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
9057         (common_test_2_pic.o, common_test_2.so): New targets.
9058         (common_test_3_pic.o, common_test_3.so): New targets.
9059         * testsuite/Makefile.in: Rebuild.
9060
9061         PR 10979
9062         * script.cc (read_input_script): If we see a new SECTIONS clause,
9063         and we have added an input section, give an error.
9064         * layout.h (class Layout): Add have_added_input_section function.
9065         Add have_added_input_section_ field.
9066         * layout.cc (Layout::Layout): Initialize
9067         have_added_input_section_.
9068         (Layout::layout): Set have_added_input_section_.
9069         (Layout::layout_eh_frame): Likewise.
9070
9071 2009-12-30  Ian Lance Taylor  <iant@google.com>
9072
9073         PR 10931
9074         * options.h (class General_options): Add --sort-common option.
9075         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
9076         * common.cc (Sort_common): Add sort_order parameter to
9077         constructor.  Add sort_order_ field.
9078         (Sort_commons::operator): Check sort_order_.
9079         (Symbol_table::allocate_commons): Determine the sort order.
9080         (Symbol_table::do_allocate_commons): Add sort_order parameter.
9081         Change all callers.
9082         (Symbol_table::do_allocate_commons_list): Likewise.
9083
9084 2009-12-30  Ian Lance Taylor  <iant@google.com>
9085
9086         PR 10916
9087         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
9088         symbols from this object, don't change the visibility of an
9089         undefined symbol.
9090         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
9091
9092 2009-12-30  Ian Lance Taylor  <iant@google.com>
9093
9094         PR 10861
9095         * script.h (class Version_script_info): Define Language enum.
9096         Update declarations.  Define Glob, Exact, and Lookup types.  Add
9097         new fields globals_, locals_, and is_finalized_.
9098         * script.cc: Various formatting fixes.
9099         (class Parser_closure): Change language_stack_ from a vector of
9100         std::string to one of Version_script_info::Language.  Adjust all
9101         uses accordingly.
9102         (class Lazy_demangler): Remove.
9103         (struct Version_expression): Change language from std::string to
9104         Version_script_info::Language.
9105         (Version_script_info::Version_script_info): New function.
9106         (Version_script_info::~Version_script_info): Don't call clear.
9107         (Version_script_info::finalize): New function.
9108         (Version_script_info::build_lookup_tables): New function.
9109         (Version_script_info::build_expression_list_lookup): New
9110         function.
9111         (Version_script_info::get_symbol_version_helper): Rewrite to use
9112         lookup tables.
9113         (Version_script_info::print_expression_list): Adjust to use
9114         Version_script_info::Language.
9115         (script_push_lex_into_version_mode): Check that the version script
9116         has not been finalized.
9117         (version_script_push_lang): Change language string to
9118         Version_script_info::Language.
9119         * options.cc (Command_line::version_script): New function.
9120         * options.h (class General_options): Add finalize_dynamic_list
9121         function.  Change version_script from declaration to definition.
9122         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
9123         * testsuite/version_script.map: Remove duplicate def of foo.
9124         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
9125         version_script.map.
9126         * testsuite/Makefile.in: Rebuild.
9127
9128 2009-12-30  Ian Lance Taylor  <iant@google.com>
9129
9130         PR 10843
9131         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
9132         if the input symbol index is 0, make the output symbol index 0.
9133
9134 2009-12-30  Ian Lance Taylor  <iant@google.com>
9135
9136         PR 10670
9137         * options.h (class General_options): Add -x/--discard-all.
9138         * object.cc (Sized_relobj::do_count_local_symbols): Handle
9139         --discard-all.  If the local symbol needs a dynamic entry, check
9140         that before handling --discard-locals.
9141
9142 2009-12-30  Ian Lance Taylor  <iant@google.com>
9143
9144         PR 10450
9145         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
9146         flags to PF_R.
9147         (Output_segment::add_output_section): Don't change the flags if
9148         the type is PT_TLS.
9149
9150         PR 10450
9151         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
9152         GNU hash table if they need a dynamic value.  Otherwise, don't add
9153         them if they are defined in a dynamic object or are forced local.
9154
9155 2009-12-29  Ian Lance Taylor  <iant@google.com>
9156
9157         PR 10450
9158         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
9159         .gnu.hash table for a 32-bit target.
9160
9161         PR 10450
9162         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
9163         regular and a dynamic object only needs a dynamic symbol table
9164         entry if it is externally visible.
9165
9166         PR 10450
9167         * i386.cc (class Target_i386): Initialize global_offset_table_ in
9168         constructor.  Add global_offset_table_ field.
9169         (Target_i386::got_section): Set global_offset_table_.
9170         (Target_i386::do_finalize_sections): Set global_offset_table_
9171         size.
9172         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
9173         in constructor.  Add global_offset_table_ field.
9174         (Target_x86_64::got_section): Set global_offset_table_.
9175         (Target_x86_64::do_finalize_sections): Set global_offset_table_
9176         size.
9177
9178         * layout.cc (Layout::Layout): Initialize increase_relro_.
9179         (Layout::get_output_section): Add is_relro, is_last_relro, and
9180         is_first_non_relro parameters.  Change all callers.
9181         (Layout::choose_output_section): Likewise.
9182         (Layout::add_output_section_data): Likewise.
9183         (Layout::make_output_section): Likewise.
9184         (Layout::set_segment_offsets): Clear increase_relro when using a
9185         linker script.
9186         * layout.h (class Layout): Add increase_relro method.  Add
9187         increase_relro_ field.  Update declarations.
9188         * output.cc (Output_section::Output_section): Initialize
9189         is_last_relro_ and is_first_non_relro_.
9190         (Output_segment::add_output_section): Group relro sections is
9191         do_sort is true.  Handle is_last_relro and is_first_non_relro.
9192         (Output_segment::maximum_alignment): Remove relro handling.
9193         (Output_segment::set_section_addresses): Add increase_relro
9194         parameter.  Change all callers.  Add initial alignment to align
9195         relro sections on separate page.  Remove old relro handling.
9196         (Output_segment::set_section_list_addresses): Remove in_relro
9197         parameter.  Change all callers.
9198         (Output_segment::set_offset): Add increase parameter.  Change all
9199         callers.  Remove old relro handling.
9200         * output.h (class Output_section): Add new methods: is_last_relro,
9201         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
9202         Add is_last_relro_ and is_first_non_relro_ fields.
9203         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
9204         Create separate .got.plt section.  Call increase_relro.
9205         * x86_64.cc (Target_x86_64::got_section): Likewise.
9206         * testsuite/relro_script_test.t: Add .got.plt.
9207
9208         PR 10450
9209         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
9210         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
9211         (Layout::finalize): Call set_dynamic_symbol_size.
9212         (Layout::set_dynamic_symbol_size): New function.
9213         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
9214         set_dynamic_symbol_size.
9215
9216         PR 10450
9217         * output.h (class Output_section): Add is_entsize_zero_ field.
9218         * output.cc (Output_section::Output_section): Initialize
9219         is_entsize_zero_.
9220         (Output_section::set_entsize): If two different entsizes are
9221         requested, force it to zero.
9222         (Output_section::add_input_section): Set flags for .debug_str
9223         before updating section flags.  Set entsize.
9224         (Output_section::update_flags_for_input_section): Set SHF_MERGE
9225         and SHF_STRING if all input sections have those flags.
9226
9227 2009-12-29   Rafael Espindola  <espindola@google.com>
9228
9229         * main.cc (main): Fix the sys time reporting.
9230         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
9231         reporting.
9232
9233 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
9234
9235         * options.cc (General_options::parse_version): Allow -v to exit
9236         without an error if there is nothing to link.
9237
9238 2009-12-29  Ian Lance Taylor  <iant@google.com>
9239
9240         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
9241         using a version of gcc before 4.1.
9242         * configure: Rebuild.
9243
9244 2009-12-28  Chris Demetriou  <cgd@google.com>
9245
9246         * attributes.cc (Output_attributes_section_data::do_write): Use
9247         std::vector::front rather than std::vector::data.
9248
9249 2009-12-28  Ian Lance Taylor  <iant@google.com>
9250
9251         * symtab.h (class Symbol_table): Add enum Defined.
9252         * resolve.cc (Symbol_table::should_override): Add defined
9253         parameter.  Change all callers.  Test whether object is NULL
9254         before calling a method on it.
9255         (Symbol_table::report_resolve_problem): Add defined parameter.
9256         Change all callers.
9257         (Symbol_table::should_override_with_special): Likewise.
9258         * symtab.cc (Symbol_table::define_in_output_data): Add defined
9259         parameter.  Change all callers.
9260         (Symbol_table::do_define_in_output_data): Likewise.
9261         (Symbol_table::define_in_output_segment): Likewise.
9262         (Symbol_table::do_define_in_output_segment): Likewise.
9263         (Symbol_table::define_as_constant): Likewise.
9264         (Symbol_table::do_define_as_constant): Likewise.
9265         * script.h (class Symbol_assignment): Add is_defsym parameter to
9266         constructor; change all callers.
9267         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
9268         parameter.  Change all callers.  Add is_defsym_ field.
9269         (class Parser_closure): Add parsing_defsym parameter to
9270         constructor; change all callers.  Add parsing_defsym accessor
9271         function.  Add parsing_defsym_ field.
9272
9273 2009-12-28  Ian Lance Taylor  <iant@google.com>
9274
9275         * gold.cc (queue_middle_tasks): Fix formatting.
9276         * object.cc (Relobj::is_section_name_included): Likewise.
9277
9278 2009-12-23  Ian Lance Taylor  <iant@google.com>
9279
9280         * i386.cc (Target_i386::do_calls_non_split): Recognize
9281         -fsplit-stack prologue for a function with a static chain.
9282         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
9283         -fsplit-stack prologue when using %r11.
9284
9285 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
9286
9287         * options.cc (General_options::parse_version): Make -v continue and do
9288         the link like GNU ld does.
9289
9290 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
9291
9292         * Makefile.am (CCFILES): Add timer.cc.
9293         (HFILES): Add timer.h.
9294         * configure.ac: Check for sysconf and times.
9295         * main.cc: include timer.h.
9296         (main): Use Timer instead of get_run_time.
9297         * timer.cc: New.
9298         * timer.h: New.
9299         * workqueue.cc: include timer.h.
9300         (Workqueue::find_and_run_task):
9301         Report user, sys and wall time.
9302         * Makefile.in: Regenerate.
9303         * config.in: Regenerate.
9304         * configure: Regenerate.
9305
9306 2009-12-16  Doug Kwan  <dougkwan@google.com>
9307
9308         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
9309         sections.
9310         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
9311         relaxed input sections.
9312         * output.cc (Output_section::find_relaxed_input_section): Change
9313         return type to Output_relaxed_input_section pointer.  Adjust code
9314         for new type of relaxed_input_section_map_.
9315         * output.h (Output_section::find_relaxed_input_section): Change
9316         return type to Output_relaxed_input_section pointer.
9317         (Output_section::Output_relaxed_input_section_by_input_section_map):
9318         New type.
9319         (Output_section::relaxed_input_section_map_): Change type to
9320         Output_section::Output_relaxed_input_section_by_input_section_map.
9321         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
9322         input section.
9323
9324 2009-12-15  Ian Lance Taylor  <iant@google.com>
9325
9326         * layout.cc (Layout::create_shstrtab): Only write out after input
9327         sections if we are compressing debug sections.
9328
9329 2009-12-15  Ian Lance Taylor  <iant@google.com>
9330
9331         * archive.cc (Archive::add_symbols): Only look up a symbol without
9332         a version if there is, in fact, a version.
9333
9334 2009-12-14  Ian Lance Taylor  <iant@google.com>
9335
9336         Revert -Wshadow changes, all changes from:
9337         2009-12-11  Doug Kwan  <dougkwan@google.com>
9338         2009-12-11  Nick Clifton  <nickc@redhat.com>
9339         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
9340
9341 2009-12-11  Doug Kwan  <dougkwan@google.com>
9342
9343         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
9344         due to -Wshadow.
9345         * attributes.cc (Object_attribute::size): Ditto.
9346         (Attributes_section_data::size): Ditto.
9347         (Attributes_section_data::Attributes_section_data): Ditto.
9348         (Output_attributes_section_data::do_write): Ditto.
9349         * attributes.h (Object_attribute::set_type): Ditto.
9350         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
9351
9352 2009-12-11  Nick Clifton  <nickc@redhat.com>
9353
9354         * archive.cc: Fix shadowed variable warnings.
9355         * arm.cc: Likewise.
9356         * compressed_output.cc: Likewise.
9357         * compressed_output.h: Likewise.
9358         * configure: Likewise.
9359         * dwarf_reader.cc: Likewise.
9360         * dynobj.cc: Likewise.
9361         * dynobj.h: Likewise.
9362         * ehframe.cc: Likewise.
9363         * ehframe.h: Likewise.
9364         * errors.cc: Likewise.
9365         * expression.cc: Likewise.
9366         * fileread.cc: Likewise.
9367         * fileread.h: Likewise.
9368         * freebsd.h: Likewise.
9369         * i386.cc: Likewise.
9370         * icf.cc: Likewise.
9371         * incremental.h: Likewise.
9372         * layout.cc: Likewise.
9373         * layout.h: Likewise.
9374         * mapfile.cc: Likewise.
9375         * merge.cc: Likewise.
9376         * merge.h: Likewise.
9377         * object.cc: Likewise.
9378         * object.h: Likewise.
9379         * options.h: Likewise.
9380         * output.cc: Likewise.
9381         * output.h: Likewise.
9382         * parameters.cc: Likewise.
9383         * plugin.cc: Likewise.
9384         * powerpc.cc: Likewise.
9385         * reduced_debug_output.cc: Likewise.
9386         * reduced_debug_output.h: Likewise.
9387         * reloc.cc: Likewise.
9388         * reloc.h: Likewise.
9389         * resolve.cc: Likewise.
9390         * script-sections.cc: Likewise.
9391         * script.cc: Likewise.
9392         * script.h: Likewise.
9393         * sparc.cc: Likewise.
9394         * symtab.cc: Likewise.
9395         * symtab.h: Likewise.
9396         * target-select.cc: Likewise.
9397         * target-select.h: Likewise.
9398         * token.h: Likewise.
9399         * workqueue.cc: Likewise.
9400         * workqueue.h: Likewise.
9401         * x86_64.cc: Likewise.
9402
9403 2009-12-10  Doug Kwan  <dougkwan@google.com>
9404
9405         * arm.cc (attributes.h): New include.
9406         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
9407         (Arm_relobj::~Arm_relobj): Delete object pointed by
9408         attributes_section_data_.
9409         (Arm_relobj::attributes_section_data): New method definition.
9410         (Arm_relobj::attributes_section_data_): New data member declaration.
9411         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
9412         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
9413         attributes_section_data_.
9414         (Arm_dynobj::attributes_section_data): New method definition.
9415         (Arm_dynobj::attributes_section_data_): New data member declaration.
9416         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
9417         initialization value of may_use_blx_ to false.
9418         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
9419         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
9420         object attributes to compute results instead of hard-coding.
9421         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
9422         Target_arm::get_secondary_compatible_arch,
9423         Target_arm::set_secondary_compatible_arch
9424         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
9425         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
9426         New method declarations.
9427         (Target_arm::get_aeabi_object_attribute): New method definition.
9428         (Target_arm::attributes_section_data_): New data member declaration.
9429         (read_arm_attributes_section): New template definition.
9430         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
9431         (Arm_dynobj::do_read_symbols): Ditto.
9432         (Target_arm::do_finalize_sections): Merge attributes sections from
9433         input.  Check for BLX use after attributes section merging.
9434         Fix __exidx_start and __exidx_end visibility.  Create an
9435         .ARM.attributes section if necessary.
9436         (Target_arm::get_secondary_compatible_arch,
9437         Target_arm::set_secondary_compatible_arch,
9438         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
9439         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
9440         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
9441         New method definitions.
9442
9443 2009-12-09  Ian Lance Taylor  <iant@google.com>
9444
9445         * plugin.cc (Plugin::load): Don't cast from void* to a function
9446         pointer.
9447
9448 2009-12-09  Ian Lance Taylor  <iant@google.com>
9449
9450         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
9451         information fields.
9452
9453 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
9454
9455         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
9456         Replace two_file_shared_1.so with two_file_shared_2.so.
9457         * testsuite/Makefile.in: Regenerated.
9458
9459 2009-12-08  Doug Kwan  <dougkwan@google.com>
9460
9461         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
9462         (HFILES): Add attributes.h and int_encoding.h.
9463         * Makefile.in: Regenerate.
9464         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
9465         function definitions to int_encoding.cc
9466         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
9467         prototypes to int_encoding.h
9468         * reduced_debug_output.cc (int_encoding.h): New include.
9469         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
9470         function definitions to int_encoding.cc
9471         (insert_into_vector, read_from_pointer): Move template definitions to
9472         int_encoding.h
9473         * attributes.cc: New file.
9474         * attributes.h: New file.
9475         * int_encoding.cc: New file.
9476         * int_encoding.h: New file.
9477
9478 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
9479
9480         PR gold/11055
9481         * incremental-dump.cc (dump_incremental_inputs): New.
9482         (main): Use dump_incremental_inputs.
9483
9484 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
9485
9486         PR gold/10893
9487         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
9488         checking elfcpp::STT_FUNC.
9489         (Target_i386::Relocate::relocate): Likewise.
9490         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
9491
9492         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
9493         symbols from shared libraries into normal FUNC symbols.
9494
9495         * symtab.h (Symbol): Add is_func and use it.
9496
9497 2009-12-05  Doug Kwan  <dougkwan@google.com>
9498
9499         * arm.cc (Target_arm::arm_info): Initialize new fields
9500         attributes_section and attributes_vendor.
9501         * i386.cc (Target_i386::i386_info): Same.
9502         * object.cc (Sized_relobj::do_layout): Skip attribute section.
9503         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
9504         fields attributes_section and attributes_vendor.
9505         * sparc.cc (Target_sparc::sparc_info): Same.
9506         * target.h (Target::attributes_section, Target::attributes_vendor,
9507         Target::is_attributes_section, Target::attribute_arg_type,
9508         Target::attributes_order): New method definitions.
9509         (Target::Target_info::attributes_section,
9510         Target::Target_info::attributes_vendor): New fields.
9511         (Target::do_attribute_arg_type, Target::do_attributes_order): New
9512         virtual method definitions.
9513         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
9514         attributes_section and attributes_vendor.
9515         * testsuite/testfile.cc (Target_test::test_target_info): Same.
9516
9517 2009-12-05  Doug Kwan  <dougkwan@google.com>
9518
9519         * arm.cc: Update comments about interworking and stub generation.
9520         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
9521         considered as non-PIC.
9522         (Arm_relocate_functions::base_abs): Fix formatting.
9523         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
9524         of function to use GOT entry address instead of offset.
9525         (Target_arm::Scan::global): Issue an error if a symbol would need a
9526         PLT does not get one because it is untyped.  Remove code to create
9527         dynamic symbols for relative branches.
9528         (Target_arm::Relocate::relocate: Use 0 instead of false since function
9529         takes unsigned integer instead of boolean.
9530
9531 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
9532
9533         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
9534         (two_file_test_LDADD): Likewise.
9535         (common_test_1_LDADD): Likewise.
9536         (exception_test_LDADD) Likewise.
9537         (weak_test_LDADD): Likewise.
9538         (many_sections_test_LDADD): Likewise.
9539         (initpri1_LDADD): Likewise.
9540         (script_test_1_LDADD): Likewise.
9541         (script_test_2_LDADD): Likewise.
9542         (justsyms_LDADD): Likewise.
9543         (binary_test_LDADD): Likewise.
9544         (large_LDADD): Likewise.
9545         * testsuite/Makefile.in: Regenerated.
9546
9547 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
9548
9549         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
9550         (Symbol_table::override_with_special): Likewise.
9551         (Symbol_table::add_from_object): Likewise.
9552
9553 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9554
9555         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9556         Don't set the data_offset twice.
9557
9558 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9559
9560         * testsuite/Makefile.in: Regenerate.
9561
9562 2009-12-03  Doug Kwan  <dougkwan@google.com>
9563
9564         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
9565         (Target_arm::do_finalize_sections): Add parameter for symbol table
9566         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
9567         * i386.cc (Target_i386::do_finalize_sections): Add an additional
9568         parameter for symbol table pointer.
9569         * layout.cc (Layout::finalize): Call Target::finalize_sections with
9570         an additional parameter for a pointer to symbol table.
9571         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
9572         parameter for a symbol table pointer.
9573         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
9574         * target.h (Target::finalize_sections, Target::do_finalize_sections):
9575         Ditto.
9576         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
9577         parameter for a symbol table pointer.
9578
9579 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
9580
9581         * incremental.cc (Incremental_inputs_header)
9582         (Incremental_inputs_header_write, Incremental_inputs_entry)
9583         (Incremental_inputs_entry_write): Move ...
9584         * incremental.h (Incremental_inputs_header)
9585         (Incremental_inputs_header_write, Incremental_inputs_entry)
9586         (Incremental_inputs_entry_write): here.
9587
9588 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9589
9590         * incremental.cc (make_sized_incremental_binary): Set the target.
9591         Error if it is incompatible.
9592         * output.h (Output_file): Add filename method.
9593
9594 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9595
9596         * incremental.cc (Incremental_inputs_entry): Remove unused argument
9597         from the get_* methods.
9598
9599 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9600
9601         * incremental-dump.cc (main): Check that the offeset of a script is 0.
9602         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9603         Write 0 for the data_offset of scripts.
9604
9605 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9606
9607         * testsuite/Makefile.am: Add the incremental_test.sh test.
9608         * testsuite/incremental_test.sh: New.
9609         * testsuite/incremental_test_1.c: New.
9610         * testsuite/incremental_test_2.c: New.
9611
9612 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
9613
9614         * incremental-dump.cc (main): Fix typos.
9615
9616 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
9617
9618         PR gold/11025
9619         * incremental-dump.cc (main): Use llu to print 64 bit values.
9620
9621 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
9622             H.J. Lu  <hongjiu.lu@intel.com>
9623
9624         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
9625         $(LIBDL).
9626         (incremental_dump_LDADD): Likewise.
9627         * Makefile.in: Regenerated.
9628
9629 2009-11-25  Doug Kwan  <dougkwan@google.com>
9630
9631         Revert:
9632
9633         2009-11-25  Doug Kwan  <dougkwan@google.com>
9634
9635                 * arm.cc (Target_arm::Target_arm): Move method definition
9636                 outside of class definition.  Add code to handle
9637                 --target1-rel, --target1-abs and --target2= options.
9638                 (Target_arm::get_reloc_reloc_type): Change method to be
9639                 non-static and const.
9640                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
9641                 New data member declaration.
9642                 (Target_arm::Scan::local, Target_arm::Scan::global,
9643                 Target_arm::Relocate::relocate,
9644                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9645                 Adjust call to Target_arm::get_real_reloc_type.
9646                 (Target_arm::get_real_reloc_type): Use command line options
9647                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9648                 * options.h (--target1-rel, --target1-abs, --target2): New
9649                 ARM-only options.
9650
9651 2009-11-25  Doug Kwan  <dougkwan@google.com>
9652
9653         * arm.cc (Target_arm::Target_arm): Move method definition outside of
9654         class definition.  Add code to handle --target1-rel, --target1-abs
9655         and --target2= options.
9656         (Target_arm::get_reloc_reloc_type): Change method to be non-static
9657         and const.
9658         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
9659         member declaration.
9660         (Target_arm::Scan::local, Target_arm::Scan::global,
9661         Target_arm::Relocate::relocate,
9662         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
9663         call to Target_arm::get_real_reloc_type.
9664         (Target_arm::get_real_reloc_type): Use command line options to
9665         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9666         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
9667         options.
9668
9669 2009-11-25  Doug Kwan  <dougkwan@google.com>
9670
9671         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
9672         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
9673         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
9674         formatting.
9675         (Arm_relocate_functions::thm_call): Replace body with a call to
9676         Arm_relocate_functions::thumb_branch_common.
9677         (Arm_relocate_functions::thm_jump24,
9678         Arm_relocate_functions::thm_xpc22): New method definitions.
9679         (Arm_relocate_functions::thumb_branch_common): New method definition.
9680         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
9681         operator.
9682         (Target_arm::Relocate::relocate): Adjust call to thm_call.
9683         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
9684
9685 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9686
9687         * Makefile.am: Build incremental-dump
9688         * Makefile.in: Regenerate.
9689         * incremental-dump.cc: New.
9690         * incremental.cc (Incremental_inputs_header_data,
9691         Incremental_inputs_entry_data): Move to incremental.h
9692         * incremental.h: (Incremental_inputs_header_data,
9693         Incremental_inputs_entry_data): Move from incremental.cc
9694
9695 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9696
9697         * incremental.cc (Incremental_inputs_header,
9698         Incremental_inputs_header_write, Incremental_inputs_entry,
9699         Incremental_inputs_entry_write): Add a typedef with the data type.
9700
9701 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9702
9703         * incremental.cc (Incremental_inputs_header,
9704         Incremental_inputs_header_write, Incremental_inputs_entry,
9705         Incremental_inputs_entry_write): Update comment about which
9706         type has the filed descriptions.
9707
9708 2009-11-15  Doug Kwan  <dougkwan@google.com>
9709
9710         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
9711         (Arm_relocate_functions::arm_branch_common): Change method defintion
9712         in class definition to a method declaration and update list of formal
9713         parameters.
9714         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
9715         Arm_relocation_functions::jump24): Adjust call to
9716         Arm_relocate_functions::arm_branch_common.  Update list of formal
9717         parameters.
9718         (Arm_relocate_functions::xpc25): New method definition.
9719         (Arm_relocate_functions::arm_branch_common): Move method defintion
9720         out from class definition.  Use stubs for mode-switching and extending
9721         branch ranges.
9722         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
9723         specially.  Change code to enable use of stubs in ARM branches.
9724
9725 2009-11-10  Doug Kwan  <dougkwan@google.com>
9726
9727         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
9728         in method declaration.
9729         (Target_arm::relocate_stub): New method declaration.
9730         (Target_arm::default_target): Change to return a pointer instead of
9731         a const reference.
9732         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
9733         Target_arm::default_target.
9734         (Arm_Relobj::do_relocate_sections): Remove options paramater in
9735         method definition.
9736         (Target_arm::relocate_section): Adjust view.
9737         (Target_arm::relocate_stub): New method definition.
9738
9739 2009-11-10  Doug Kwan  <dougkwan@google.com>
9740
9741         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
9742         a format warning.
9743         * incremental.cc (open_incremental_binary): Initialized local
9744         variables to avoid warnings.
9745         * object.cc (make_elf_object): Ditto.
9746         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
9747         a format warning.
9748
9749 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
9750
9751         PR gold/10930
9752         * testsuite/plugin_test.c: Include "config.h".
9753
9754 2009-11-09  Doug Kwan  <dougkwan@google.com>
9755
9756         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
9757         (arm_symbol_value): Remove.
9758         (Arm_relocate_functions::arm_branch_common,
9759         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
9760         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
9761         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
9762         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
9763         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
9764         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
9765         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
9766         Arm_relocate_functions::thm_mobw_abs_nc,
9767         Arm_relocate_functions::thm_mov_abs,
9768         Arm_relocate_functions::movw_prel_nc,
9769         Arm_relocate_functions::thm_movt_abs,
9770         Arm_relocate_functions::movt_prel,
9771         Arm_relocate_functions::thm_movw_prel_nc,
9772         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
9773         (Target_arm::Relocate::relocate): Only decompose address into two
9774         parts if relocation type uses the thumb-bit and pass the actual
9775         bit instead of a flag indicating that the thumb-bit is used.  Adjust
9776         calls to methods in Arm_relocate_functions for this change.
9777
9778 2009-11-08  Ian Lance Taylor  <iant@google.com>
9779
9780         PR 10925
9781         * reloc.cc: Instantiate
9782         Sized_relobj::initialize_input_to_output_maps and
9783         Sized_relobj:free_input_to_output_maps.
9784
9785 2009-11-06  Ian Lance Taylor  <iant@google.com>
9786
9787         PR 10876
9788         * defstd.cc (in_segment): Set only_if_ref true for "end".
9789
9790 2009-11-06  Doug Kwan  <dougkwan@google.com>
9791
9792         * arm.cc (class Reloc_stub): Correct a comment.
9793         (Target_arm::Target_arm): Initialize arm_input_section_map_.
9794         (Target_arm::scan_section_for_stubs): New method declaration.
9795         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9796         Change methods from private to protected.
9797         (Target_arm::do_may_relax): New method definition.
9798         (Target_arm::do_relax, Target_arm::group_sections,
9799         Target_arm::scan_reloc_for_stub,
9800         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9801         (Target_arm::arm_input_section_map_): New data member declaration.
9802         (Target_arm::scan_reloc_for_stub,
9803         Target_arm::scan_reloc_section_for_stubs,
9804         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9805         Target_arm::do_relax): New method definitions.
9806
9807 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9808
9809         * configure.ac: Check for (struct stat)::st_mtim
9810         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9811         * config.in: Regenerate.
9812         * configure: Regenerate.
9813
9814 2009-11-05  Ian Lance Taylor  <iant@google.com>
9815
9816         PR 10910
9817         * output.cc (Output_segment::add_output_section): Add missing
9818         return statement.
9819
9820 2009-11-04  Ian Lance Taylor  <iant@google.com>
9821
9822         PR 10880
9823         * object.h (class Object): Add is_needed and set_is_needed
9824         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9825         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9826         defined in a dynamic object and referenced by a regular object,
9827         set is_needed for the dynamic object.
9828         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9829         if the file is marked with as_needed and it is not needed.
9830
9831 2009-11-04  Ian Lance Taylor  <iant@google.com>
9832
9833         PR 10887
9834         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9835         tags if data is discarded by linker script.
9836         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9837         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9838         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9839         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9840
9841 2009-11-04  Ian Lance Taylor  <iant@google.com>
9842
9843         * layout.cc (Layout::get_output_section): Add is_interp and
9844         is_dynamic_linker_section parameters.  Change all callers.
9845         (Layout::choose_output_section): Likewise.
9846         (Layout::make_output_section): Likewise.
9847         (Layout::add_output_section_data): Add is_dynamic_linker_section
9848         parameter.  Change all callers.
9849         * layout.h (class Layout): Update declarations.
9850         * output.h (class Output_section): Add is_interp, set_is_interp,
9851         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9852         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9853         generate_code_fills_at_write_ to a bitfield.
9854         * output.cc (Output_section::Output_sections): Initialize new
9855         fields.
9856         (Output_segment::add_output_section): Add do_sort parameter.
9857         Change all callers.
9858
9859 2009-11-03  Ian Lance Taylor  <iant@google.com>
9860
9861         PR 10860
9862         * options.h (class General_options): Add --warn-common.
9863         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9864         merging two common symbols.
9865         (Symbol_table::should_override): Handle --warn-common when merging
9866         a common symbol with a defined symbol.  Use report_resolve_problem
9867         for multiple definitions.
9868         (Symbol_table::report_resolve_problem): New function.
9869         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9870
9871 2009-11-03  Doug Kwan  <dougkwan@google.com>
9872
9873         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9874         stub_factory_.
9875         (Target_arm::stub_factory): New method definition.
9876         (Target_arm::new_arm_input_section,
9877         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9878         Target_arm::reloc_uses_thumb_bit): New method declarations.
9879         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9880         New type definitions.
9881         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9882         member declarations.
9883         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9884         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9885         New method definitions.
9886
9887 2009-11-03  Ian Lance Taylor  <iant@google.com>
9888
9889         * options.h (class General_options): Add --warn_constructors.
9890
9891 2009-11-03  Ian Lance Taylor  <iant@google.com>
9892
9893         PR 10893
9894         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9895         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9896
9897 2009-11-03  Ian Lance Taylor  <iant@google.com>
9898
9899         PR 10895
9900         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9901         --msgid-bugs-address.
9902         (install-pdf): New target.
9903         (install-data_yes): Look up one directory to find mkinstalldirs.
9904
9905 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9906
9907         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9908         tree.
9909
9910 2009-10-30  Doug Kwan  <dougkwan@google.com>
9911
9912         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9913
9914 2009-10-30  Doug Kwan  <dougkwan@google.com>
9915
9916         * arm.cc (Stub_addend_reader): New struct template definition
9917         and partial specializations.
9918         (Stub_addend_reader::operator()): New method definition for a
9919         partially specialized template.
9920
9921 2009-10-30  Doug Kwan  <dougkwan@google.com>
9922
9923         * arm.cc (Arm_relobj::processor_specific_flags): New method
9924         definition.
9925         (Arm_relobj::do_read_symbols): New method declaration.
9926         (Arm_relobj::processor_specific_flags_): New data member declaration.
9927         (Arm_dynobj): New class definition.
9928         (Target_arm::do_finalize_sections): Add input_objects parameter.
9929         (Target_arm::do_adjust_elf_header): New method declaration.
9930         (Target_arm::are_eabi_versions_compatible,
9931         (Target_arm::merge_processor_specific_flags): New method declaration.
9932         (Target_arm::do_make_elf_object): New overloaded method definitions
9933         and declaration.
9934         (Arm_relobj::do_read_symbols): New method definition.
9935         (Arm_dynobj::do_read_symbols): Ditto.
9936         (Target_arm::do_finalize_sections): Add input_objects parameters.
9937         Merge processor-specific flags from all input objects.
9938         (Target_arm::are_eabi_versions_compatible,
9939         Target_arm::merge_processor_specific_flags,
9940         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9941         New method definitions.
9942         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9943         Input_objects pointer type parameter.
9944         * layout.cc (Layout::finalize): Pass input objects to target's.
9945         finalize_sections function.
9946         * output.cc (Output_file_header::do_sized_write): Set ELF file
9947         header's processor-specific flags.
9948         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9949         Input_objects pointer type parameter.
9950         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9951         * target.h (Input_objects): New forward class declaration.
9952         (Target::processor_specific_flags,
9953         Target::are_processor_specific_flags_sect): New method definitions.
9954         (Target::finalize_sections): Add input_objects parameter.
9955         (Target::Target): Initialize processor_specific_flags_ and
9956         are_processor_specific_flags_set_.
9957         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9958         parameter.
9959         (Target::set_processor_specific_flags): New method definition.
9960         (Target::processor_specific_flags_,
9961         Target::are_processor_specific_flags_set_): New data member
9962         declarations.
9963         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9964         Input_objects pointer type parameter.
9965
9966 2009-10-30  Doug Kwan  <dougkwan@google.com>
9967
9968         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9969
9970 2009-10-28  Ian Lance Taylor  <iant@google.com>
9971
9972         * object.h (class Relobj): Drop options parameter from
9973         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9974         do_scan_relocs, do_relocate.  Change all callers.
9975         (class Sized_relobj): Drop options parameters from
9976         do_gc_process_relocs, do_scan_relocs, do_relocate,
9977         do_relocate_sections, relocate_sections, emit_relocs_scan,
9978         emit_relocs_scan_reltype.  Change all callers.
9979         (struct Relocate_info): Remove options field and all references to
9980         it.
9981         * reloc.h (class Read_relocs): Remove options constructor
9982         parameter and options_ field.  Change all callers.
9983         (class Gc_process_relocs, class Scan_relocs): Likewise.
9984         (class Relocate_task): Likewise.
9985         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9986         all callers.
9987         (scan_relocatable_relocs): Likewise.
9988         * target.h (class Sized_target): Remove options parameter from
9989         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9990         all callers.
9991         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9992         callers.
9993         * arm.cc: Update functions to remove options parameters.
9994         * i386.cc: Likewise.
9995         * powerpc.cc: Likewise.
9996         * sparc.cc: Likewise.
9997         * x86_64.cc: Likewise.
9998         * testsuite/testfile.cc: Likewise.
9999
10000 2009-10-28  Doug Kwan  <dougkwan@google.com>
10001
10002         * arm.cc (Arm_relobj): New class definition.
10003         (Arm_relobj::scan_sections_for_stubs,
10004         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
10005         New method definitions.
10006
10007 2009-10-28  Cary Coutant  <ccoutant@google.com>
10008
10009         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
10010         (Plugin::cleanup_done_): New member.
10011         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
10012         (Plugin_manager::cleanup_done_): Remove.
10013         (Plugin_manager::add_input_file): Edit error message.
10014         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
10015         (Plugin_manager::cleanup): Remove use of cleanup_done_.
10016
10017 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
10018
10019         * fileread.cc: (File_read::View::~View): Use the new
10020         data_ownership_ filed.
10021         (File_read::~File_read): Dispose the new whole_file_view_.
10022         (File_read::open): Mmap the whole file if needed.
10023         (File_read::open): Use whole_file_view_ instead of contents_.
10024         (File_read::find_view): Use whole_file_view_ if applicable.
10025         (File_read::do_read): Use whole_file_view_ instead of contents_.
10026         (File_read::make_view): Use whole_file_view_ instead of contents_,
10027         update File_read::View::View call.
10028         (File_read::find_or_make_view): Update File_read::View::View
10029         call.
10030         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
10031         remove contents_
10032         (File_read::View::Data_ownership): New enum.
10033         (File_read::View::View): Replace bool mapped_ with Data_ownership
10034         argument.
10035         (File_read::View::mapped_): Remove (replaced by data_ownership_).
10036         (File_read::View::data_ownership_): New field.
10037         (File_read::contents_): Remove (replaced by whole_file_view_).
10038         (File_read::whole_file_view_): New field.
10039         * options.h (class General_options): Add --keep-files-mapped.
10040
10041 2009-10-27  Cary Coutant  <ccoutant@google.com>
10042
10043         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
10044         * testsuite/Makefile.am (plugin_test_5): New test case.
10045         * testsuite/Makefile.in: Regenerate.
10046
10047 2009-10-25  Doug Kwan  <dougkwan@google.com>
10048
10049         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
10050         from private to protected to allow access by child class.
10051         (Sized_relobj::do_relocate_sections): New method declaration.
10052         (Sized_relobj::relocate_sections): Virtualize.
10053         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
10054         Sized_relobj::relocate_sections.  Instantiate template explicitly
10055         for different target sizes and endianity.
10056
10057 2009-10-24  Doug Kwan  <dougkwan@google.com>
10058
10059         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
10060         (Arm_input_section::as_arm_input_section): New method.
10061         (Arm_output_section): New class definition.
10062         (Arm_output_section::create_stub_group,
10063         Arm_output_section::group_sections): New method definitions.
10064
10065 2009-10-22  Doug Kwan  <dougkwan@google.com>
10066
10067         * arm.cc (Arm_input_section): New class definition.
10068         (Arm_input_section::init, Arm_input_section:do_write,
10069         Arm_input_section::set_final_data_size,
10070         Arm_input_section::do_reset_address_and_file_offset): New method
10071         definitions.
10072
10073 2009-10-21  Doug Kwan  <dougkwan@google.com>
10074
10075         * arm.cc (Stub_table, Arm_input_section): New forward class
10076         declarations.
10077         (Stub_table): New class defintion.
10078         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
10079         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
10080         New method definition.
10081
10082 2009-10-21  Doug Kwan  <dougkwan@google.com>
10083
10084         * arm.cc: Update copyright comments.
10085         (Target_arm): New forward class template declaration.
10086         (Arm_address): New type.
10087         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
10088         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
10089         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
10090         constants.
10091         (Insn_template): Same.
10092         (DEF_STUBS): New macro.
10093         (Stub_type): New enum type.
10094         (Stub_template): New class definition.
10095         (Stub): Same.
10096         (Reloc_stub): Same.
10097         (Stub_factory): Same.
10098         (Target_arm::Target_arm): Initialize may_use_blx_ and
10099         should_force_pic_veneer_.
10100         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
10101         Target_arm::should_force_pic_veneer,
10102         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
10103         Target_arm::using_thumb_only, Target_arm:;default_target): New
10104         method defintions.
10105         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
10106         New data member declarations.
10107         (Insn_template::size, Insn_template::alignment): New method defintions.
10108         (Stub_template::Stub_template): New method definition.
10109         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
10110         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
10111         (Stub_factory::Stub_factory): New method definition.
10112         * gold.h (string_hash): New template.
10113         * output.h (Input_section_specifier::hash_value): Use
10114         gold::string_hash.
10115         (Input_section_specifier::string_hash): Remove.
10116         * stringpool.cc (Stringpool_template::string_hash): Use
10117         gold::string_hash.
10118
10119 2009-10-20  Doug Kwan  <dougkwan@google.com>
10120
10121         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
10122         symbols of relaxed input sections.
10123         * output.h (Output_section::find_relaxed_input_section): Make
10124         method public.
10125
10126 2009-10-16  Doug Kwan  <dougkwan@google.com>
10127
10128         * dynobj.cc (Versions::Versions): Initialize version_script_.
10129         Only insert base version symbol definition for a shared object
10130         if version script defines any version versions.
10131         (Versions::define_base_version): New method definition.
10132         (Versions::add_def): Check that base version is not needed.
10133         (Versions::add_need): Define base version lazily.
10134         * dynobj.h (Versions::define_base_version): New method declaration.
10135         (Versions::needs_base_version_): New data member declaration.
10136         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
10137         (check_DATA): Add no_version_test.stdout.
10138         (libno_version_test.so, no_version_test.o no_version_test.stdout):
10139         New make rules.
10140         * testsuite/Makefile.in: Regenerate.
10141         * testsuite/no_version_test.c: New file.
10142         * testsuite/no_version_test.sh: Ditto.
10143
10144 2009-10-16  Doug Kwan  <dougkwan@google.com>
10145
10146         * expression.cc (class Segment_start_expression): New class definition.
10147         (Segment_start_expression::value): New method definition.
10148         (script_exp_function_segment_start): Return a new
10149         Segment_start_expression.
10150         * gold/script-c.h (script_saw_segment_start_expression): New function
10151         prototype.
10152         * script-sections.cc (Script_sections::Script_sections): Initialize
10153         SAW_SEGMENT_START_EXPRESSION_ to false.
10154         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
10155         and -Tbbs options to specify section addresses if given in
10156         command line and no SEGMENT_START expression is seen in a script.
10157         * script-sections.h (Script_sections::saw_segment_start_expression,
10158         Script_sections::set_saw_segment_start_expression): New method
10159         definition.
10160         (Script_sections::saw_segment_start_expression_): New data member
10161         declaration.
10162         * script.cc (script_saw_segment_start_expression): New function.
10163         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
10164         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
10165         script_test_7.sh and script_test_8.sh.
10166         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
10167         script_test_8.stdout.
10168         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
10169         (script_test_6, script_test_6.stdout, script_test_7,
10170         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
10171         * Makefile.in: Regenerate.
10172         * testsuite/script_test_6.sh: New file.
10173         * testsuite/script_test_6.t: Same.
10174         * testsuite/script_test_7.sh: Same.
10175         * testsuite/script_test_7.t: Same.
10176         * testsuite/script_test_8.sh: Same.
10177
10178 2009-10-16  Doug Kwan  <dougkwan@google.com>
10179
10180         * output.cc (Output_segment::set_section_list_address): Cast
10181         expressions to unsigned long long type to avoid format warnings.
10182
10183 2009-10-15  Ian Lance Taylor  <iant@google.com>
10184
10185         * script.cc (Script_options::add_symbol_assignment): Always add a
10186         dot assignment to script_sections_.
10187         * script-sections.cc (Script_sections::add_dot_assignment):
10188         Initialize if necessary.
10189
10190         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
10191         program headers with no load segment if there is a linker script.
10192
10193         * layout.cc (Layout::set_segment_offsets): Align the file offset
10194         to the segment aligment for -N or -n with no load segment.
10195         * output.cc (Output_segment::add_output_section): Don't crash if
10196         the first section is a TLS section.
10197         (Output_segment::set_section_list_addresses): Print an error
10198         message if the address moves backward in a linker script.
10199         * script-sections.cc
10200         (Output_section_element_input::set_section_addresses): Don't
10201         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
10202         (Orphan_output_section::set_section_addresses): Likewise.
10203
10204 2009-10-15  Doug Kwan  <dougkwan@google.com>
10205
10206         * layout.cc (Layout::finish_dynamic_section): Generate tags
10207         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
10208         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
10209         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
10210
10211 2009-10-14  Ian Lance Taylor  <iant@google.com>
10212
10213         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
10214         fields.
10215         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
10216         data_shdr fields of relinfo.
10217         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
10218         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
10219         R_386_TLS_LDO_32, adjust based on section flags.
10220         (Target_i386::Relocate::fix_up_ldo): Remove.
10221
10222 2009-10-13  Ian Lance Taylor  <iant@google.com>
10223
10224         Add support for -pie.
10225         * options.h (class General_options): Add -pie and
10226         --pic-executable.
10227         (General_options::output_is_position_independent): Test -pie.
10228         (General_options::output_is_executable): Return true if not shared
10229         and not relocatable.
10230         (General_options::output_is_pie): Remove.
10231         * options.cc (General_options::finalize): Reject incompatible uses
10232         of -pie.
10233         * gold.cc (queue_middle_tasks): A -pie link is not static.
10234         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
10235         * symtab.cc (Symbol::final_value_is_known): Return false if
10236         output_is_position_independent.
10237         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
10238         output_is_position_independent.
10239         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
10240         output_is_position_independent.
10241         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
10242         output_is_position_independent.
10243         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
10244         two_file_pie_test.
10245         (basic_pie_test.o, basic_pie_test): New targets.
10246         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
10247         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
10248         (two_file_pie_test): New target.
10249         * testsuite/Makefile.in: Rebuild.
10250         * README: Remove note saying that -pie is not supported.
10251
10252 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10253
10254         * options.h (class General_options): Add -init and -fini.
10255         * layout.cc (Layout::finish_dynamic_section): Emit
10256         given init and fini functions.
10257
10258 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
10259
10260         * gc.h (gc_process_relocs): Check if icf is enabled using new
10261         function.
10262         * gold.cc (queue_initial_tasks): Likewise.
10263         (queue_middle_tasks): Likewise.
10264         * object.cc (do_layout): Likewise.
10265         * symtab.cc (is_section_folded): Likewise.
10266         * main.cc (main): Likewise.
10267         * reloc.cc (Read_relocs::run): Likewise.
10268         (Sized_relobj::do_scan_relocs): Likewise.
10269         * icf.cc (is_function_ctor_or_dtor): New function.
10270         (Icf::find_identical_sections): Check if function is ctor or dtor when
10271         safe icf is chosen.
10272         * options.h (General_options::icf): Change option to be an enum.
10273         (Icf_status): New enum.
10274         (icf_enabled): New method.
10275         (icf_safe_folding): New method.
10276         (set_icf_status): New method.
10277         (icf_status_): New variable.
10278         * (options.cc) (General_options::finalize): Set icf_status_.
10279         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
10280         icf_test and icf_keep_unique_test to use the --icf enum flag.
10281         * testsuite/icf_safe_test.sh: New file.
10282         * testsuite/icf_safe_test.cc: New file.
10283
10284 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
10285
10286         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
10287         includes to gc.h and icf.h.
10288         * arm.cc: Include gc.h.
10289         * gold.cc: Likewise.
10290         * i386.cc: Likewise.
10291         * powerpc.cc: Likewise.
10292         * sparc.cc: Likewise.
10293         * x86_64.cc: Likewise.
10294         * gc.h: Include icf.h.
10295
10296 2009-10-11  Ian Lance Taylor  <iant@google.com>
10297
10298         * plugin.cc: Include "gold.h" before other header files.
10299
10300 2009-10-10  Chris Demetriou  <cgd@google.com>
10301
10302         * options.h (Input_file_argument::Input_file_type): New enum.
10303         (Input_file_argument::is_lib_): Replace with...
10304         (Input_file_argument::type_): New member.
10305         (Input_file_argument::Input_file_argument): Take Input_file_type
10306         'type' rather than boolean 'is_lib' as second argument.
10307         (Input_file_argument::is_lib): Use type_.
10308         (Input_file_argument::is_searched_file): New function.
10309         (Input_file_argument::may_need_search): Handle is_searched_file.
10310         * options.cc (General_options::parse_library): Support -l:filename.
10311         (General_options::parse_just_symbols): Update for Input_file_argument
10312         changes.
10313         (Command_line::process): Likewise.
10314         * archive.cc (Archive::get_file_and_offset): Likewise.
10315         * plugin.cc (Plugin_manager::release_input_file): Likewise.
10316         * script.cc (read_script_file, script_add_file): Likewise.
10317         * fileread.cc (Input_file::Input_file): Likewise.
10318         (Input_file::will_search_for): Handle is_searched_file.
10319         (Input_file::open): Likewise.
10320         * readsyms.cc (Read_symbols::get_name): Likewise.
10321         * testsuite/Makefile.am (searched_file_test): New test.
10322         * testsuite/Makefile.in: Regenerate.
10323         * testsuite/searched_file_test.cc: New file.
10324         * testsuite/searched_file_test_lib.cc: New file.
10325
10326 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10327             Ian Lance Taylor  <iant@google.com>
10328
10329         * descriptor.cc: Include <cstdio> and "binary-io.h".
10330         (Descriptors::open): Open the files in binary mode always.
10331         * script.cc (Lex::get_token): Treat \r as whitespace.
10332
10333 2009-10-09  Ian Lance Taylor  <iant@google.com>
10334
10335         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
10336
10337 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10338             Ian Lance Taylor  <iant@google.com>
10339
10340         * configure.ac: Check for readv function also.
10341         * fileread.cc (readv): Define if not HAVE_READV.
10342         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
10343         does not exist.
10344         * config.in: Regenerate.
10345         * configure: Regenerate.
10346
10347 2009-10-09  Doug Kwan  <dougkwan@google.com>
10348
10349         * layout.cc (Layout::make_output_section): Call target hook to make
10350         ordinary output section.
10351         (Layout::finalize): Adjust parameter list of call the
10352         Target::may_relax().
10353         * layout.h (class Layout::section_list): New method.
10354         * merge.h (Output_merge_base::entsize): Change visibility to public.
10355         (Output_merge_base::is_string, Output_merge_base::do_is_string):
10356         New methods.
10357         (Output_merge_string::do_is_string): New method.
10358         * object.cc (Sized_relobj::do_setup): renamed from
10359         Sized_relobj::set_up.
10360         * object.h (Sized_relobj::adjust_shndx,
10361         Sized_relobj::initializ_input_to_output_maps,
10362         Sized_relobj::free_input_to_output_maps): Change visibilities to
10363         protected.
10364         (Sized_relobj::setup): Virtualize.
10365         (Sized_relobj::do_setup): New method declaration.
10366         (Sized_relobj::invalidate_section_offset,
10367         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
10368         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
10369         * options.cc (parse_int): New function.
10370         * options.h (parse_int): New declaration.
10371         (DEFINE_int): New macro.
10372         (stub_group_size): New option.
10373         * output.cc (Output_section::Output_section): Initialize memebers
10374         merge_section_map_, merge_section_by_properties_map_,
10375         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
10376         (Output_section::add_input_section): Handled deferred code-fill
10377         generation and remove an old comment.
10378         (Output_section::add_relaxed_input_section): New method definition.
10379         (Output_section::add_merge_input_section): Use merge section by
10380         properties map to speed to search.  Update merge section maps
10381         as appropriate.
10382         (Output_section::build_relaxation_map): New method definition.
10383         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
10384         Same.
10385         (Output_section::relax_input_section): Renamed to
10386         Output_section::convert_input_sections_to_relaxed_sections and change
10387         interface to take a vector of pointers to relaxed sections.
10388         (Output_section::find_merge_section,
10389         Output_section::find_relaxed_input_section): New method definitions.
10390         (Output_section::is_input_address_mapped,
10391         Output_section::output_offset, Output_section::output_address):
10392         Use output section data maps to speed up searching.
10393         (Output_section::find_starting_output_address): Add comments.
10394         (Output_section::do_write,
10395         Output_section::write_to_postprocessing_buffer): Do code-fill
10396         generation as appropriate.
10397         (Output_section::get_input_sections): Invalidate relaxed input section
10398         map.
10399         (Output_section::restore_states): Adjust type of checkpoint .
10400         Invalidate relaxed input section map.
10401         * output.h (Output_merge_base): New class declaration.
10402         (Input_section_specifier): New class defintion.
10403         (class Output_relaxed_input_section) Change base class to
10404         Output_section_data_build.
10405         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
10406         base class initializer.
10407         (Output_section::add_relaxed_input_section): New method declaration.
10408         (Output_section::Input_section): Change visibility to protected.
10409         (Output_section::Input_section::relobj,
10410         Output_section::Input_section::shndx): Handle relaxed input sections.
10411         Output_section::input_sections) Change visibility to protected.  Also
10412         define overload to return a non-const pointer.
10413         (Output_section::Merge_section_properties): New class defintion.
10414         (Output_section::Merge_section_by_properties_map,
10415         Output_section::Output_section_data_by_input_section_map,
10416         Output_section::Relaxation_map): New types.
10417         (Output_section::relax_input_section): Rename method to
10418         Output_section::convert_input_sections_to_relaxed_sections and change
10419         interface to take a vector of relaxed section pointers.
10420         (Output_section::find_merge_section,
10421         Output_section::find_relaxed_input_section,
10422         Output_section::build_relaxation_map,
10423         Output_section::convert_input_sections_in_list_to_relaxed_sections):
10424         New method declarations.
10425         (Output_section::merge_section_map_
10426         Output_section::merge_section_by_properties_map_,
10427         Output_section::relaxed_input_section_map_,
10428         Output_section::is_relaxed_input_section_map_valid_,
10429         Output_section::generate_code_fills_at_write_): New data members.
10430         * script-sections.cc
10431         (Output_section_element_input::set_section_addresses): Call
10432         current_data_size and addralign methods of relaxed input sections.
10433         (Orphan_output_section::set_section_addresses): Call current_data_size
10434         and addralign methods of relaxed input sections.
10435         * symtab.cc (Symbol_table::compute_final_value): Extract template
10436         from the body of Symbol_table::sized_finalize_symbol.
10437         (Symbol_table::sized_finalized_symbol): Call
10438         Symbol_table::compute_final_value.
10439         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
10440         (Symbol_table::compute_final_value): New templated method declaration.
10441         * target.cc (Target::do_make_output_section): New method defintion.
10442         * target.h (Target::make_output_section): New method declaration.
10443         (Target::relax): Add more parameters for input objects, symbol table
10444         and layout.  Adjust call to do_relax.
10445         (Target::do_make_output_section): New method declaration.
10446         (Target::do_relax): Add parameters for input objects, symbol table
10447         and layout.
10448
10449 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10450
10451         * pread.c: Include stdio.h.
10452
10453 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10454
10455         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
10456         defined.
10457
10458 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10459
10460         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
10461         Change read_shndx type to unsigned int.
10462         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10463         int.
10464         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10465         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
10466         Change read_shndx type to unsigned int.
10467         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10468         int.
10469         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10470         * layout.cc (Layout::create_symtab_sections): Cast the result of
10471         local_symcount * symsize to off_t in the gold_assert.
10472
10473 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10474
10475         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
10476         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
10477         R_ARM_BASE_ABS.
10478         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
10479         (Arm_relocate_functions::thm_abs5): New function.
10480         (Arm_relocate_functions::abs12): New function.
10481         (Arm_relocate_functions::abs16): New function.
10482         (Arm_relocate_functions::base_abs): New function.
10483         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
10484         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
10485         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
10486         R_ARM_BASE_ABS.
10487         (Scan::global): Likewise.
10488         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
10489         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
10490         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
10491         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
10492         R_ARM_BASE_ABS.
10493
10494 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10495
10496         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
10497         (Arm_relocate_functions::movt_prel): New function.
10498         (Arm_relocate_functions::thm_movw_prel_nc): New function.
10499         (Arm_relocate_functions::thm_movt_prel): New function.
10500         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
10501         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
10502         (Scan::global, Relocate::relocate): Likewise.
10503         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10504
10505 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10506
10507         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
10508         Incremental_checker.
10509         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
10510         unsigned int.
10511         (class Incremental_inputs_header): New class.
10512         (Incremental_inputs_header_writer): Edit comment.
10513         (Incremental_inputs_entry): New class.
10514         (Incremental_inputs_entry_writer): Edit comment.
10515         (Sized_incremental_binary::do_find_incremental_inputs_section):
10516         Add *strtab_shndx parameter, fill it.
10517         (Sized_incremental_binary::do_check_inputs): New method.
10518         (Incremental_checker::can_incrementally_link_output_file): Use
10519         Sized_incremental_binary::check_inputs.
10520         (Incremental_inputs::report_command_line): Save command line in
10521         command_line_.
10522         * incremental.h:
10523         (Incremental_binary::find_incremental_inputs_section): New
10524         method.
10525         (Incremental_binary::do_find_incremental_inputs_section): Add
10526         strtab_shndx parameter.
10527         (Incremental_binary::do_check_inputs): New pure virtual method.
10528         (Sized_incremental_binary::do_check_inputs): Declare.
10529         (Incremental_checker::Incremental_checker): Add incremental_inputs
10530         parameter, use it to initialize incremental_inputs_.
10531         (Incremental_checker::incremental_inputs_): New field.
10532         (Incremental_checker::command_line): New method.
10533         (Incremental_checker::inputs): New method.
10534         (Incremental_checker::command_line_): New field.
10535
10536 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10537
10538         * incremental.cc: Include <cstdarg> and "target-select.h".
10539         (vexplain_no_incremental): New function.
10540         (explain_no_incremental): New function.
10541         (Incremental_binary::error): New method.
10542         (Sized_incremental_binary::do_find_incremental_inputs_section): New
10543         method.
10544         (make_sized_incremental_binary): New function.
10545         (open_incremental_binary): New function.
10546         (can_incrementally_link_file): Add checks if output is ELF and has
10547         inputs section.
10548         * incremental.h: Include "elfcpp_file.h" and "output.h".
10549         (Incremental_binary): New class.
10550         (Sized_incremental_binary): New class.
10551         (open_incremental_binary): Declare.
10552         * object.cc (is_elf_object): Use
10553         elfcpp::Elf_recognizer::is_elf_file.
10554         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
10555         * output.h (Output_file::filesize): New method.
10556
10557 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10558
10559         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
10560         New function.
10561         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
10562         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
10563         function.
10564         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
10565         function.
10566         (Arm_relocate_functions::movw_abs_nc): New function.
10567         (Arm_relocate_functions::movt_abs): New function.
10568         (Arm_relocate_functions::thm_movw_abs_nc): New function.
10569         (Arm_relocate_functions::thm_movt_abs): New function.
10570         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
10571         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
10572         (Scan::global): Likewise.
10573         (Relocate::relocate): Likewise.
10574         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10575
10576 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10577
10578         * arm.cc (Arm_relocate_functions::got_prel) New function.
10579         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
10580         (Relocate::relocate): Likewise.
10581         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10582
10583 2009-10-06  Ian Lance Taylor  <iant@google.com>
10584
10585         * options.h (class General_options): Define
10586         split_stack_adjust_size parameter.
10587         * object.h (class Object): Add uses_split_stack_ and
10588         has_no_split_stack_ fields.  Add uses_split_stack and
10589         has_no_split_stack accessor functions.  Declare
10590         handle_split_stack_section.
10591         (class Reloc_symbol_changes): Define.
10592         (class Sized_relobj): Define Function_offsets.  Declare
10593         split_stack_adjust, split_stack_adjust_reltype, and
10594         find_functions.
10595         * object.cc (Object::handle_split_stack_section): New function.
10596         (Sized_relobj::do_layout): Call handle_split_stack_section.
10597         * dynobj.cc (Sized_dynobj::do_layout): Call
10598         handle_split_stack_section.
10599         * reloc.cc (Sized_relobj::relocate_sections): Call
10600         split_stack_adjust for executable sections in split_stack
10601         objects.  Pass reloc_map to relocate_section.
10602         (Sized_relobj::split_stack_adjust): New function.
10603         (Sized_relobj::split_stack_adjust_reltype): New function.
10604         (Sized_relobj::find_functions): New function.
10605         * target-reloc.h: Include "object.h".
10606         (relocate_section): Add reloc_symbol_changes parameter.  Change
10607         all callers.
10608         * target.h (class Target): Add calls_non_split method.  Declare
10609         do_calls_non_split virtual method.  Declare match_view and
10610         set_view_to_nop.
10611         * target.cc: Include "elfcpp.h".
10612         (Target::do_calls_non_split): New function.
10613         (Target::match_view): New function.
10614         (Target::set_view_to_nop): New function.
10615         * gold.cc (queue_middle_tasks): Give an error if mixing
10616         split-stack and non-split-stack objects with -r.
10617         * i386.cc (Target_i386::relocate_section): Add
10618         reloc_symbol_changes parameter.
10619         (Target_i386::do_calls_non_split): New function.
10620         * x86_64.cc (Target_x86_64::relocate_section): Add
10621         reloc_symbol_changes parameter.
10622         (Target_x86_64::do_calls_non_split): New function.
10623         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
10624         parameter.
10625         * powerpc.cc (Target_powerpc::relocate_section): Add
10626         reloc_symbol_changes parameter.
10627         * sparc.cc (Target_sparc::relocate_section): Add
10628         reloc_symbol_changes parameter.
10629         * configure.ac: Call AM_CONDITIONAL for the default target.
10630         * configure: Rebuild.
10631         * testsuite/Makefile.am (TEST_AS): New variable.
10632         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
10633         (check_DATA): Add split_i386 and split_x86_64 files.
10634         (SPLIT_DEFSYMS): Define.
10635         (split_i386_[1234n].o): New targets.
10636         (split_i386_[124]): New targets.
10637         (split_i386_[1234r].stdout): New targets.
10638         (split_x86_64_[1234n].o): New targets.
10639         (split_x86_64_[124]): New targets.
10640         (split_x86_64_[1234r].stdout): New targets.
10641         (MOSTLYCLEANFILES): Add new executables.
10642         * testsuite/split_i386.sh: New file.
10643         * testsuite/split_x86_64.sh: New file.
10644         * testsuite/split_i386_1.s: New file.
10645         * testsuite/split_i386_2.s: New file.
10646         * testsuite/split_i386_3.s: New file.
10647         * testsuite/split_i386_4.s: New file.
10648         * testsuite/split_i386_n.s: New file.
10649         * testsuite/split_x86_64_1.s: New file.
10650         * testsuite/split_x86_64_2.s: New file.
10651         * testsuite/split_x86_64_3.s: New file.
10652         * testsuite/split_x86_64_4.s: New file.
10653         * testsuite/split_x86_64_n.s: New file.
10654         * testsuite/testfile.cc (Target_test): Update relocation_section
10655         function.
10656         * testsuite/Makefile.in: Rebuild.
10657
10658 2009-10-06  Ian Lance Taylor  <iant@google.com>
10659
10660         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
10661         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
10662         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
10663         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
10664         the address on ldo_addrs_.
10665         (Target_i386::Relocate::fix_up_ldo): New function.
10666
10667 2009-10-06   Rafael Espindola  <espindola@google.com>
10668
10669         * plugin.cc (add_input_library): New.
10670         (Plugin::load): Add add_input_library to tv.
10671         (Plugin_manager::add_input_file): Add the is_lib argument.
10672         (add_input_file): Update call to Plugin_manager::add_input_file.
10673         (add_input_library): New.
10674         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
10675
10676 2009-09-30  Doug Kwan  <dougkwan@google.com>
10677
10678         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
10679         symbol and call Symbol::may_need_copy_reloc to determine if
10680         a copy reloc is needed.
10681         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
10682         nocopyreloc is given in command line.
10683         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
10684         given in command line.
10685         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
10686         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
10687         of the removed Target_i386::may_need_copy_reloc.
10688         * options.h (copyreloc): New option with default value false.
10689         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10690         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
10691         instead of the removed Target_powerpc::may_need_copy_reloc.
10692         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10693         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
10694         instead of the removed Target_sparc::may_need_copy_reloc.
10695         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
10696         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
10697         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
10698         instead of the removed Target_x86_64::may_need_copy_reloc.
10699
10700 2009-09-30  Ian Lance Taylor  <iant@google.com>
10701
10702         * object.h (class Object): Remove target_ field, and target,
10703         sized_target, and set_target methods.
10704         (Object::sized_target): Remove.
10705         (class Sized_relobj): Update declarations.  Remove sized_target.
10706         * object.cc (Sized_relobj::setup): Remove target parameter.
10707         Change all callers.
10708         (Input_objects::add_object): Don't do anything with the target.
10709         (make_elf_sized_object): Add punconfigured parameter.  Change all
10710         callers.  Set or test parameter target.
10711         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
10712         Change all callers.
10713         * parameters.cc (Parameters::set_target): Change parameter type to
10714         be non-const.
10715         (Parameters::default_target): Remove.
10716         (set_parameters_target): Change parameter type to be non-const.
10717         (parameters_force_valid_target): New function.
10718         (parameters_clear_target): New function.
10719         * parameters.h (class Parameters): Update declarations.  Remove
10720         default_target method.  Add sized_target and clear_target
10721         methods.  Change target_ to be non-const.
10722         (set_parameters_target): Update declaration.
10723         (parameters_force_valid_target): Declare.
10724         (parameters_clear_target): Declare.
10725         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
10726         as NULL if we aren't searching.
10727         (Add_symbols::run): Don't check for compatible target.
10728         * fileread.cc (Input_file::open_binary): Call
10729         parameters_force_valid_target.
10730         * gold.cc (queue_middle_tasks): Likewise.
10731         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
10732         set_target on object.
10733         * dynobj.h (class Sized_dynobj): Update declarations.
10734         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
10735         make_elf_object returns NULL.
10736         (Archive::include_member): Don't check whether object target is
10737         compatible.
10738         * output.cc (Output_section::add_input_section): Get target from
10739         parameters.
10740         (Output_section::relax_input_section): Likewise.
10741         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
10742         parameters.
10743         (Sized_relobj::do_scan_relocs): Likewise.
10744         (Sized_relobj::relocate_sections): Likewise.
10745         * resolve.cc (Symbol_table::resolve): Likewise.
10746         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
10747         parameter.  Change all callers.
10748         (Symbol_table::add_from_object): Get target from parameters.
10749         (Symbol_table::add_from_relobj): Don't check object target.
10750         (Symbol_table::add_from_dynobj): Likewise.
10751         (Symbol_table::define_special_symbol): Get target from
10752         parameters.
10753         * symtab.h (class Symbol_table): Update declaration.
10754         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
10755         parameter.  Change all callers.  Clear parameter target.
10756         (Binary_test): Test target here.
10757         * testsuite/object_unittest.cc (gold_testsuite): Remove
10758         target_test_pointer parameter.  Change all callers.
10759         (Object_test): Test target here.
10760
10761 2009-09-26  Ian Lance Taylor  <iant@google.com>
10762
10763         * testsuite/initpri1.c: Don't try to use constructor priorities if
10764         compiling with gcc before 4.3.
10765
10766 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
10767
10768         * testsuite/retain_symbols_file_test.sh (check_present): Change
10769         output file name to retain_symbols_file_test.stdout.
10770         (check_absent): Likewise.
10771
10772 2009-09-18  Craig Silverstein  <csilvers@google.com>
10773
10774         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
10775         * options.cc: Include <cerrno> and <fstream>.
10776         (General_options::finalize): Parse -retain-symbols-file tag.
10777         * options.h: New flag.
10778         (General_options): New method should_retain_symbol, new
10779         variable symbols_to_retain.
10780         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
10781         should_retain_symbol map.
10782         * testsuite/Makefile.am (retain_symbols_file_test): New test.
10783         * testsuite/Makefile.in: Regenerate.
10784         * testsuite/retain_symbols_file_test.sh: New file.
10785
10786 2009-09-18  Nick Clifton  <nickc@redhat.com>
10787
10788         * po/es.po: Updated Spanish translation.
10789
10790 2009-09-17  Doug Kwan  <dougkwan@google.com>
10791
10792         * debug.h (DEBUG_RELAXATION): New constant.
10793         (DEBUG_ALL): Add DEBUG_RELAXATION.
10794         (debug_string_to_enum): Add relaxation debug option.
10795         * layout.cc
10796         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10797         Layout::Relaxation_debug_check::read_sections,
10798         Layout::Relaxation_debug_check::read_sections): New method definitions.
10799         (Layout::Layout): Initialize data members
10800         record_output_section_data_from_scrips_,
10801         script_output_section_data_list_ and relaxation_debug_check_.
10802         (Layout::save_segments, Layout::restore_segments,
10803         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10804         Layout::relaxation_loop_body): New method definitions.
10805         (Layout::finalize): Support relaxation.  Move section layout code to
10806         Layout::relaxation_loop_body.
10807         (Layout::set_asection_address_from_script): Move code for orphan
10808         section placement out.
10809         (Layout::place_orphan_sections_in_script): New method definition.
10810         * layout.h (Output_segment_headers, Output_file_header):
10811         New forward class declarations.
10812         (Layout::~Layout): Define.
10813         (Layout::new_output_section_data_from_script): New method definition.
10814         (Layout::place_orphan_sections_in_script): New method declaration.
10815         (Layout::Segment_states): New type declaration.
10816         (Layout::save_segments, Layout::restore_segments,
10817         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10818         Layout::relaxation_loop_body): New method declarations.
10819         (Layout::Output_section_data_list): New type declaration.
10820         (Layout::Relaxation_debug_check): New class definition.
10821         (Layout::record_output_section_data_from_script_,
10822         Layout::script_output_section_data_list_, Layout::segment_states_,
10823         Layout::relaxation_debug_check_): New data members.
10824         * output.cc: (Output_section_headers::do_size): New method definition.
10825         (Output_section_headers::Output_section_headers): Move size
10826         computation to Output_section_headers::do_size.
10827         (Output_segment_headers::do_size): New method definition.
10828         (Output_file_header::Output_file_header): Move size computation to
10829         Output_file_header::do_size and call it.
10830         (Output_file_header::do_size): New method definition.
10831         (Output_data_group::Output_data_group): Adjust call to
10832         Output_section_data.
10833         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10834         (Output_symtab_xindex::do_write): Add array bound check.
10835         (Output_section::Input_section::print_to_mapfile): Handle
10836         RELAXED_INPUT_SECTION_CODE.
10837         (Output_section::Output_section): Initialize data member checkpoint_.
10838         (Output_section::~Output_section): Delete checkpoint object pointed
10839         by checkpoint_.
10840         (Output_section::add_input_section): Always add an Input_section if
10841         relaxing.
10842         (Output_section::add_merge_input_section): Add assert.
10843         (Output_section::relax_input_section): New method definition.
10844         (Output_section::set_final_data_size): Set load address to zero for
10845         an unallocated section.
10846         (Output_section::do_address_and_file_offset_have_reset_values):
10847         New method definition.
10848         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10849         Handle relaxed input section.
10850         (Output_section::sort_attached_input_sections): Checkpoint input
10851         section list lazily.
10852         (Output_section::get_input_sections): Change type of input_sections to
10853         list of Simple_input_section pointers.  Checkpoint input section list
10854         lazily.  Also handle relaxed input sections.
10855         (Output_section::add_input_section_for_script): Take a reference to
10856         a Simple_input_section object instead of Relobj pointer and section
10857         index as parameter.  Handle relaxed input sections.
10858         (Output_section::save_states, Output_section::restore_states): New
10859         method definitions.
10860         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10861         (Output_data::is_data_size_fixed): New method definition.
10862         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10863         if it is fixed.
10864         (Output_data::address_and_file_offset_have_reset_values): New method
10865         definition.
10866         (Output_data::do_address_and_file_offset_have_reset_values): New method
10867         definition.
10868         (Output_data::set_data_size): Check that data size is not fixed.
10869         (Output_data::fix_data_size): New method definition.
10870         (Output_data::is_data_size_fixed_): New data member.
10871         (Output_section_headers::set_final_data_size): New method definition.
10872         (Output_section_headers::do_size): New method declaration.
10873         (Output_segment_headers::set_final_data_size): New method definition.
10874         (Output_segment_headers::do_size): New method declaration.
10875         (Output_file_header::set_final_data_size)::New method definition.
10876         (Output_file_header::do_size)::New method declaration.
10877         (Output_section_data::Output_section_data): Add new parameter
10878         is_data_size_fixed and use it to fix data size.
10879         (Output_data_const::Output_data_const): Adjust call to base class
10880         constructor and fix data size.
10881         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10882         base class constructor and fix data size.
10883         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10884         base class constructor and fix data size.
10885         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10886         class constructor and fix data size.
10887         (Output_data_group::set_final_data_size): New method definition.
10888         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10889         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10890         class constructor and fix data size.
10891         (Output_relaxed_input_section): New class definition.
10892         (Output_section::Simple_input_section): New class definition.
10893         (Output_section::get_input_sections): Adjust parameter list.
10894         (Output_section::add_input_section_for_script): Same.
10895         (Output_section::save_states, Output_section::restore_states,
10896         Output_section::do_address_and_file_offset_have_reset_values,
10897         (Output_section::Input_section::Input_section): Handle
10898         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10899         Output_relaxed_input_section.
10900         (Output_section::Input_section::is_input_section,
10901         Output_section::Input_section::set_output_section): Handle relaxed
10902         input section.
10903         (Output_section::Input_section::is_relaxed_input_section,
10904         Output_section::Input_section::output_section_data,
10905         Output_section::Input_section::relaxed_input_section): New method
10906         definitions.
10907         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10908         value.
10909         (Output_section::Input_section::u1_): Update comments.
10910         (Output_section::Input_section::u2_): Add new union member poris.
10911         (Output_section::Checkpoint_output_section): New classs definition.
10912         (Output_section::relax_input_section): New method declaration.
10913         (Output_section::checkpoint_): New data member.
10914         (Output_segment): Update comments.
10915         (Output_segment::Output_segment): Un-privatize copy constructor.
10916         (Output_segment::operator=): Un-privatize.
10917         * script-sections.cc (Output_section_element::Input_section_list):
10918         Change element type to Output_section::Simple_input_section.
10919         (Output_section_element_dot_assignment::set_section_addresses):
10920         Register output section data for relaxation clean up.
10921         (Output_data_exression::Output_data_expression): Adjust call to base
10922         constructor to fix data size.
10923         (Output_section_element_data::set_section_addresses): Register
10924         Output_data_expression object for relaxation clean up.
10925         (struct Input_section_info): Replace Relobj pointer and section index
10926         pair with Output_section::Simple_input_section and Convert struct to a
10927         class.
10928         (Input_section_sorter::operator()): Adjust access to
10929         Input_section_info data member to use accessors.
10930         (Output_section_element_input::set_section_addresses): Use layout
10931         parameter.  Adjust code to use Output_section::Simple_input_section
10932         and Input_secction_info classes.  Register filler for relaxation
10933         clean up.
10934         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10935         and section index pair with Output_section::Simple_input_section
10936         class.  Adjust code accordingly.
10937         (Phdrs_element::release_segment): New method definition.
10938         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10939         segment list.
10940         (Script_sections::release_segments): New method definition.
10941         * gold/script-sections.h (Script_sections::release_segments): New
10942         method declaration.
10943         * gold/target.h (Target::may_relax, Target::relax,
10944         Target::do_may_relax, Target::do_relax): New method definitions.
10945
10946 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10947
10948         * arm.cc (has_signed_unsigned_overflow): New function.
10949         (Arm_relocate_functions::abs8): New function.
10950         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10951         (Target_arm::Scan::global): Likewise.
10952         (Target_arm::relocate::relocate): Likewise.
10953         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10954         Likewise.
10955
10956 2009-09-16  Cary Coutant  <ccoutant@google.com>
10957
10958         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10959         * testsuite/Makefile.in: Regenerate.
10960
10961 2009-09-11  Nick Clifton  <nickc@redhat.com>
10962
10963         * po/gold.pot: Updated by the Translation project.
10964
10965 2009-09-08  Cary Coutant  <ccoutant@google.com>
10966
10967         * output.cc (Output_file::open): Add execute permission to empty file.
10968         * testsuite/Makefile.am (permission_test): New test.
10969         * testsuite/Makefile.in: Regenerate.
10970
10971 2009-09-02  Ian Lance Taylor  <iant@google.com>
10972
10973         * output.cc (Output_file::resize): Call map_no_anonymous rather
10974         than map.
10975
10976 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10977
10978         * gold.cc: Include "incremental.h".
10979         (queue_initial_tasks): Call Incremental_checker methods.
10980         * incremental.cc: Include "output.h".
10981         (Incremental_checker::can_incrementally_link_output_file): New
10982         method.
10983         * incremental.h (Incremental_checker): New class.
10984
10985         * output.cc (Output_file::open_for_modification): New method.
10986         (Output_file::map_anonymous): Changed return type to bool.  Record
10987         map in base_ field.
10988         (Output_file::map_no_anonymous): New method, broken out of map.
10989         (Output_file::map): Use map_no_anonymous and map_anonymous.
10990         * output.h (class Output_file): Update declarations.
10991
10992 2009-08-24  Cary Coutant  <ccoutant@google.com>
10993
10994         * options.h (Command_line::Pre_options): New class.
10995         (Command_line::pre_options): New member.
10996         * options.cc (gold::options::ready_to_register): New variable.
10997         (One_option::register_option): Do nothing if not registering options.
10998         Assert if same short option registered twice.
10999         (General_options::General_options): Turn off option registration when
11000         done constructing.
11001         (Command_line::Pre_options::Pre_options): New constructor.
11002
11003 2009-08-24  Cary Coutant  <ccoutant@google.com>
11004
11005         * options.h (General_options::no_keep_memory): Remove incorrect
11006         short option.
11007
11008 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11009
11010         * Makefile.am (am__skiplex, am__skipyacc): New.
11011         * Makefile.in: Regenerate.
11012
11013 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11014
11015         * Makefile.am (AM_CPPFLAGS): Renamed from ...
11016         (INCLUDES): ... this.
11017         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
11018         (AM_CPPFLAGS): Renamed from ...
11019         (INCLUDE): ... this.
11020         * Makefile.in, testsuite/Makefile.in: Regenerate.
11021
11022         * Makefile.in: Regenerate.
11023         * aclocal.m4: Likewise.
11024         * config.in: Likewise.
11025         * configure: Likewise.
11026         * testsuite/Makefile.in: Likewise.
11027
11028         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
11029         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
11030         * Makefile.in: Regenerate.
11031         * testsuite/Makefile.in: Regenerate.
11032
11033 2009-08-19  Cary Coutant  <ccoutant@google.com>
11034
11035         * resolve.cc (Symbol_table::resolve): Don't complain about defined
11036         symbols in shared libraries overridden by hidden or internal symbols
11037         in the main program.
11038
11039 2009-08-19  Chris Demetriou  <cgd@google.com>
11040
11041         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
11042         checking source file names in error messages.
11043
11044 2009-08-18  Doug Kwan  <dougkwan@google.com>
11045
11046         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
11047         an elcpp::Ehdr as parameter.  Adjust call to set_target.
11048         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
11049         an elfcpp::Ehdr as parameter.
11050         * object.cc (Object::set_target): Remove the version that looks up
11051         a target and sets it.
11052         (Sized_relobj::setup): Take a Target object instead of
11053         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
11054         (make_elf_sized_object): Find target and ask target to
11055         make an ELF object.
11056         * object.h: (Object::set_target): Remove the version that looks up
11057         a target and sets it.
11058         (Sized_relobj::setup): Take a Target object instead of
11059         an elfcpp:Ehdr as parameter.
11060         * target.cc: Include dynobj.h.
11061         (Target::do_make_elf_object_implementation): New.
11062         (Target::do_make_elf_object): New.
11063         * target.h (Target::make_elf_object): New template declaration.
11064         (Target::do_make_elf_object): New method declarations.
11065         (Target::do_make_elf_object_implementation): New template declaration.
11066
11067 2009-08-14  Ian Lance Taylor  <iant@google.com>
11068
11069         * gold.h (FUNCTION_NAME): Define.
11070         (gold_unreachable): Use FUNCTION_NAME.
11071
11072 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
11073
11074         * icf.cc (Icf::find_identical_sections): Issue a warning when a
11075         symbol in the --keep-unique list is not found.
11076
11077 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
11078
11079         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
11080         been maked as --keep-unique.
11081         (Icf::unfold_section): New function.
11082         * icf.h (Icf::unfold_section): New function.
11083         * options.h (General_options::keep_unique): New option.
11084         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
11085         * testsuite/Makefile.in: Regenerate.
11086         * testsuite/icf_keep_unique_test.sh: New file.
11087         * testsuite/icf_keep_unique_test.cc: New file.
11088
11089 2009-08-12  Cary Coutant  <ccoutant@google.com>
11090
11091         PR 10471
11092         * resolve.cc (Symbol_table::resolve): Check for references from
11093         dynamic objects to hidden and internal symbols.
11094         * testsuite/Makefile.am (hidden_test.sh): New test.
11095         * testsuite/Makefile.in: Regenerate.
11096         * testsuite/hidden_test.sh: New script.
11097         * testsuite/hidden_test_1.c: New test source.
11098         * testsuite/hidden_test_main.c: New test source.
11099
11100 2009-08-11  Doug Kwan  <dougkwan@google.com>
11101
11102         * arm.cc: Update comments.
11103         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
11104         segment to locate the .ARM.exidx section if present.
11105
11106 2009-08-09  Doug Kwan  <dougkwan@google.com>
11107
11108         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
11109         patch.
11110
11111 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
11112         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
11113         compiler warnings.
11114
11115 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
11116
11117         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
11118         valid tls_segment only for non-debug-section relocations.
11119         * testsuite/Makefile.am: Add gc_tls_test.
11120         * testsuite/Makefile.in: Regenerate.
11121         * testsuite/gc_tls_test.cc: New file.
11122         * testsuite/gc_tls_test.sh: New file.
11123
11124 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
11125
11126         * icf.cc: New file.
11127         * icf.h: New file.
11128         * Makefile.am (CCFILES): Add icf.cc.
11129         (HFILES): Add icf.h
11130         * Makefile.in: Regenerate.
11131         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
11132         * gc.h (gc_process_relocs): Populate lists used by icf to contain
11133         section, symbol and addend information for the relocs.
11134         * gold.cc (queue_middle_tasks): Call identical code folding.
11135         * gold.h: Add defines for multimap.
11136         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
11137         to the call of finalize_local_symbols.
11138         * main.cc (main): Create object of class Icf.
11139         * object.cc (Sized_relobj::do_layout): Allow this function to be
11140         called twice during icf.
11141         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
11142         to sections marked as identical by icf.
11143         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
11144         when available.
11145         (Sized_relobj::do_section_entsize): New function.
11146         * object.h (Object::section_entsize): New function.
11147         (Object::do_section_entsize): New pure virtual function.
11148         (Relobj::finalize_local_symbols): Add new parameter.
11149         (Relobj::do_section_entsize): New function.
11150         * options.h (General_options::icf): New option.
11151         (General_options::icf_iterations): New option.
11152         (General_options::print_icf_sections): New option.
11153         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
11154         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
11155         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
11156         icf.
11157         * symtab.cc (Symbol_table::is_section_folded): New function.
11158         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
11159         to sections marked as identical by icf.
11160         * symtab.h (Symbol_table::set_icf): New function.
11161         (Symbol_table::icf): New function.
11162         (Symbol_table::is_section_folded): New function.
11163         (Symbol_table::icf_): New data member.
11164         * target-reloc.h (relocate_section): Ignore sections folded by icf.
11165         * testsuite/Makefile.am: Add commands to build icf_test.
11166         * testsuite/Makefile.in: Regenerate.
11167         * testsuite/icf_test.sh: New file.
11168         * testsuite/icf_test.cc: New file.
11169
11170 2009-07-24  Chris Demetriou  <cgd@google.com>
11171
11172         * layout.cc (is_compressible_debug_section): Fix incorrect
11173         comment about compressed section names.
11174
11175 2009-07-20  Ian Lance Taylor  <ian@airs.com>
11176
11177         PR 10419
11178         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
11179
11180 2009-07-16  Ian Lance Taylor  <iant@google.com>
11181
11182         PR 10400
11183         * layout.h: #include <map>.
11184         (class Kept_section): Change from struct to class.  Add accessors
11185         and setters.  Add section size to Comdat_group mapping.  Change
11186         Comdat_group to std::map.  Add is_comdat_ field.  Add
11187         linkonce_size field in union.
11188         (class Layout): Update declaration of find_or_add_kept_section.
11189         Don't declare find_kept_object.
11190         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
11191         parameter.  Add object, shndx, is_comdat, and is_group_name
11192         parameters.  Change all callers.  Adjust for new Kept_section.
11193         (Layout::find_kept_object): Remove.
11194         * object.cc (Sized_relobj::include_section_group): Update use of
11195         Kept_section.  Rename secnum to shndx.  Only record
11196         Kept_comdat_section if sections are the same size.
11197         (Sized_relobj::include_linkonce_section): Update use of
11198         Kept_section.  Only record Kept_comdat_section if sections are the
11199         same size.  Set size of linkonce section.
11200         (Sized_relobj::map_to_kept_section): Update call to
11201         get_kept_comdat_section.
11202         * object.h (class Sized_relobj): Rename fields in
11203         Kept_comdat_section to drop trailing underscores; change object
11204         field to Relobj*.  Change Kept_comdat_section_table to store
11205         struct rather than pointer.
11206         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
11207         Add kept_object and kept_shndx parameters.  Change all callers.
11208         (Sized_relobj::get_kept_comdat_section): Change return type to
11209         bool.  Add kept_object and kept_shndx parameters.  Change all
11210         callers.
11211         * plugin.cc (Pluginobj::include_comdat_group): Update call to
11212         Layout::find_or_add_kept_section.
11213
11214 2009-07-09  Ian Lance Taylor  <iant@google.com>
11215
11216         * merge.cc (Object_merge_map::initialize_input_to_output_map):
11217         Reserve space in the hash table.
11218
11219 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
11220
11221         * fileread.cc (File_read::get_mtime): New method.
11222         * fileread.h (Timespec): New structure.
11223         (File_read::get_mtime): New method.
11224         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
11225         Renamed from timestamp_nsec.
11226         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
11227         Elf_Xword.
11228         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
11229         timestamp_nsec.
11230         (Incremental_inputs::report_archive): Save mtime; style fix.
11231         (Incremental_inputs::report_obejct): Save mtime; style fix.
11232         (Incremental_inputs::report_script): Save mtime; style fix.
11233         (Incremental_inputs::finalize_inputs): Style fix.
11234         (Incremental_inputs::finalize): Style fix.
11235         (Incremental_inputs::create_input_section_data): Store inputs
11236         mtime.
11237         * incremental.h (Incremental_inputs::report_script): Add mtime
11238         argument.
11239         (Incremental_inputs::Input_info::Input_info): Intialize only one
11240         union member.
11241         (Incremental_inputs::Input_info::archive): Move to nameless
11242         union.
11243         (Incremental_inputs::Input_info::obejct): Move to nameless union.
11244         (Incremental_inputs::Input_info::script): Move to nameless union.
11245         (Incremental_inputs::mtime): New field.
11246         * script.cc (read_input_script): Pass file mtime to
11247         Incremental_input.
11248         * script.h (Script_info::inputs): Style fix.
11249
11250 2009-07-01  Ian Lance Taylor  <ian@airs.com>
11251
11252         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
11253         instead of 32.
11254
11255 2009-06-24  Ian Lance Taylor  <iant@google.com>
11256
11257         PR 10156
11258         * layout.cc (Layout::choose_output_section): If we find an
11259         existing section, update the flags.
11260         (Layout::create_notes): New function, broken out of
11261         Layout::finalize.
11262         (Layout::finalize): Don't create note sections.
11263         (Layout::create_note): Don't crash if linker script discards
11264         section.
11265         (Layout::create_gold_note): Likewise.
11266         (Layout::create_build_id): Likewise.  Don't set
11267         after_input_sections on the section.
11268         (Layout::create_executable_stack_info): Remove target parameter.
11269         Change caller.
11270         * layout.h (class Layout): Declare create_notes.  Update
11271         declaration of create_executable_stack_info.
11272         * gold.cc (queue_middle_tasks): Call create_notes.
11273         * output.cc (Output_section::update_flags_for_input_section): Move
11274         here from output.h.  If SHF_ALLOC flag is newly set, mark address
11275         invalid.
11276         * output.h (Output_data::mark_address_invalid): New function.
11277         (class Output_section): Only declare, not define,
11278         update_flags_for_input_section.  Remove set_flags.
11279
11280 2009-06-24  Ian Lance Taylor  <iant@google.com>
11281
11282         * script-sections.cc (Output_section_definition::
11283         set_section_addresses): Rename shadowing local load_address to
11284         laddr.
11285
11286 2009-06-24  Ian Lance Taylor  <iant@google.com>
11287
11288         PR 10244
11289         * reloc.cc (relocate_sections): Skip empty relocation sections.
11290
11291 2009-06-23  Ian Lance Taylor  <iant@google.com>
11292
11293         PR 10156
11294         * layout.cc (Layout::create_note): Use choose_output_section
11295         rather than make_output_section.
11296
11297 2009-06-23  Ian Lance Taylor  <iant@google.com>
11298
11299         PR 10237
11300         * options.cc (General_options::parse_V): Set printed_version_.
11301         (General_options::General_options): Initialize printed_version_.
11302         * options.h (class General_options): Add printed_version_ field.
11303         * gold.cc (queue_initial_tasks): If there are no input files,
11304         don't give a fatal error if we printed the version information.
11305         (queue_middle_tasks): If using -r with a shared object, give a
11306         fatal error rather than an ordinary error.
11307
11308 2009-06-23  Ian Lance Taylor  <iant@google.com>
11309
11310         PR 10219
11311         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
11312         (Layout::make_output_section): Set have_stabstr_section_ if we see
11313         a .stab*str section.
11314         (Layout::finalize): Call link_stabs_sections.
11315         (Layout::link_stabs_sections): New file.
11316         * layout.h (class Layout): Add have_stabstr_section_ field.
11317         Declare link_stabs_sections.
11318
11319 2009-06-23  Doug Kwan  <dougkwan@google.com>
11320
11321         * Makefile.am (libgold_a_LIBADD): New.
11322         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
11323         * Makefile.in: Regenerate.
11324         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
11325         * configure: Regenerate.
11326         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
11327         * fileread.cc: Include sys/state.h
11328         * gold.h: Declare memmem and strndup if found missing.
11329         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
11330
11331 2009-06-23  Ian Lance Taylor  <iant@google.com>
11332
11333         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
11334         * configure: Rebuild.
11335
11336 2009-06-23  Ian Lance Taylor  <iant@google.com>
11337
11338         PR 10147
11339         * object.cc (Object::section_contents): Don't try to get a view if
11340         the section has length zero.
11341         (Object::handle_gnu_warning_section): If the section is empty, use
11342         the name of the section as the warning.
11343
11344 2009-06-23  Ian Lance Taylor  <iant@google.com>
11345
11346         PR 10133
11347         * stringpool.h (class Stringpool_template): Add optimize_ field.
11348         (Stringpool_template::set_optimize): New function.
11349         * stringpool.cc (Stringpool_template::Stringpool_template):
11350         Initialize optimize_ field.
11351         (Stringpool_template::set_string_offsets): Test local optimize
11352         fild rather than parameter.
11353         * layout.cc (Layout::Layout): Call set_optimize on the section
11354         name stringpool.
11355
11356 2009-06-22  Ian Lance Taylor  <iant@google.com>
11357
11358         PR 10030
11359         * yyscript.y: Parse TARGET.
11360         * script.cc (script_set_target): New function.
11361         * script-c.h (script_set_target): Declare.
11362         * options.cc (General_options::string_to_object_format): Rename
11363         from string_to_object_format in anonymous namespace.  Change
11364         callers.
11365         * options.h (class General_options): Declare
11366         string_to_object_format.
11367
11368 2009-06-22  Ian Lance Taylor  <iant@google.com>
11369
11370         * script-sections.cc (Script_sections::create_segments): Don't put
11371         program headers in a PT_LOAD segment if -n or -N.
11372
11373 2009-06-22  Ian Lance Taylor  <iant@google.com>
11374
11375         PR 10141
11376         * options.h (class General_options): Add -z lazy and -z now.  Sort
11377         -z options into alphabetical order.
11378         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
11379
11380 2009-06-21  Ian Lance Taylor  <iant@google.com>
11381
11382         * layout.cc (Layout::make_output_section): Call
11383         Target::new_output_section.
11384         (Layout::attach_allocated_section_to_segment): Put large section
11385         sections in a separate load segment with the large segment flag
11386         set.
11387         (Layout::segment_precedes): Sort large data segments after other
11388         load segments.
11389         (align_file_offset): New static function.
11390         (Layout::set_segment_offsets): Use align_file_offset.
11391         * output.h (class Output_section): Add is_small_section_ and
11392         is_large_section_ fields.
11393         (Output_section::is_small_section): New function.
11394         (Output_section::set_is_small_section):  New function.
11395         (Output_section::is_large_section): New function.
11396         (Output_section::set_is_large_section): New function.
11397         (Output_section::is_large_data_section): New function.
11398         (class Output_segment): Add is_large_data_segment_ field.
11399         (Output_segment::is_large_data_segment): New function.
11400         (Output_segment::set_is_large_data_segment): New function.
11401         * output.cc (Output_section::Output_section): Initialize new
11402         fields.
11403         (Output_segment::Output_segment): Likewise.
11404         (Output_segment::add_output_section): Add assertion that large
11405         data sections always go in large data segments.  Force small data
11406         sections to the end of the list of data sections.  Force small BSS
11407         sections to the start of the list of BSS sections.  For large BSS
11408         sections to the end of the list of BSS sections.
11409         * symtab.h (class Symbol): Declare is_common_shndx.
11410         (Symbol::is_defined): Check Symbol::is_common_shndx.
11411         (Symbol::is_common): Likewise.
11412         (class Symbol_table): Define enum Commons_section_type.  Update
11413         declarations.  Add small_commons_ and large_commons_ fields.
11414         * symtab.cc (Symbol::is_common_shndx): New function.
11415         (Symbol_table::Symbol_table): Initialize new fields.
11416         (Symbol_table::add_from_object): Put small and large common
11417         symbols in the right list.
11418         (Symbol_table::sized_finalized_symbol): Check
11419         Symbol::is_common_shndx.
11420         (Symbol_table::sized_write_globals): Likewise.
11421         * common.cc (Symbol_table::do_allocate_commons): Allocate new
11422         common symbol lists.  Don't call do_allocate_commons_list if the
11423         list is empty.
11424         (Symbol_table::do_allocate_commons_list): Remove is_tls
11425         parameter.  Add comons_section_type parameter.  Change all
11426         callers.  Handle small and large common symbols.
11427         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
11428         Symbol::is_common_shndx.
11429         * resolve.cc (symbol_to_bits): Likewise.
11430         * target.h (Target::small_common_shndx): New function.
11431         (Target::small_common_section_flags): New function.
11432         (Target::large_common_shndx): New function.
11433         (Target::large_common_section_flags): New function.
11434         (Target::new_output_section): New function.
11435         (Target::Target_info): Add small_common_shndx, large_common_shndx,
11436         small_common_section_flags, and large_common_section_flags
11437         fields.
11438         (Target::do_new_output_section): New virtual function.
11439         * arm.cc (Target_arm::arm_info): Initialize new fields.
11440         * i386.cc (Target_i386::i386_info): Likewise.
11441         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
11442         Likewise.
11443         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
11444         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11445         (Target_x86_64::do_new_output_section): New function.
11446         * configure.ac: Define conditional MCMODEL_MEDIUM.
11447         * testsuite/Makefile.am (check_PROGRAMS): Add large.
11448         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
11449         (large_LDFLAGS): Define.
11450         * testsuite/large.c: New file.
11451         * testsuite/testfile.cc (Target_test::test_target_info):
11452         Initialize new fields.
11453         * configure, testsuite/Makefile.in: Rebuild.
11454
11455 2009-06-05  Doug Kwan  <dougkwan@google.com>
11456
11457         * Makefile.am (CCFILES): Add target.cc.
11458         * Makefile.in: Regenerate.
11459         * i386.cc (class Target_i386): Define new virtual method to
11460         override do_is_local_label_name in parent.
11461         * object.cc (Sized_relobj::do_count_local_symbols): Discard
11462         local symbols if --discard-locals or -X is given.
11463         * options.h (class General_options): Declare new options
11464         '--discard-locals' and '-X' for discarding locals.
11465         * target.h (class Target): Define new methods is_local_label_name.
11466         Declare new virtual method do_is_local_label_name.
11467         * target.cc: New file.
11468         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
11469         (check_SCRIPTS): Add discard_locals_test.sh.
11470         (check_DATA): Add discard_local_tests.syms.
11471         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
11472         (discard_local_tests.syms, discard_locals_test.o): New make rules.
11473         * testsuite/Makefile.in: Regenerate.
11474         * testsuite/discard_locals_test.c: New file.
11475         * testsuite/discard_locals_test.sh: Same.
11476
11477 2009-06-05  Doug Kwan  <dougkwan@google.com>
11478
11479         * object.cc (Sized_relobj::Sized_relobj): Initialize
11480         discarded_eh_frame_shndx_ to -1U.
11481         (Sized_relobj::do_layout): Record index of a discard .eh_frame
11482         section.
11483         (Sized_relobj::do_count_local_symbols): Skip local symbols in
11484         a discarded .eh_frame section.
11485         (Sized_relobj::do_finalize_local_symbols): Ditto.
11486         * object.h (class Sized_relobj): Declare new member
11487         discarded_eh_frame_shndx_.
11488         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
11489         (local_labels_test.o, local_labels_test): New rules.
11490         * testsuite/Makefile.in: Regenerate.
11491
11492 2009-06-04  Doug Kwan  <dougkwan@google.com>
11493
11494         * layout.cc (Layout::section_name_mapping): Add mapping for
11495         special ARM sections.
11496
11497 2009-06-03  Doug Kwan  <dougkwan@google.com>
11498
11499         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
11500         (utils::has_overflow): Same.
11501
11502 2009-06-03  Ian Lance Taylor  <iant@google.com>
11503
11504         * layout.cc (Layout::section_name_mapping): New array, replacing
11505         Layout::linkonce_mapping.
11506         (Layout::section_name_mapping_count): New variable, replacing
11507         Layout::linkonce_mapping_count.
11508         (Layout::linkonce_output_name): Remove.
11509         (Layout::output_section_name): Rewrite.
11510         * layout.h (class Layout): Rename Linkonce_mapping to
11511         Section_name_mapping, linkonce_mapping to section_name_mapping,
11512         linkonce_mapping_count to section_name_mapping_count.  Don't
11513         declare linkonce_output_name.
11514
11515 2009-06-03  Doug Kwan  <dougkwan@google.com>
11516
11517         * gold/arm.cc (namespace utils): New.
11518         (Target_arm::reloc_is_non_pic): Define new method.
11519         (class Arm_relocate_functions): New.
11520         (Target_arm::Relocate::relocate): Handle relocation types used by
11521         Android.
11522
11523 2009-06-03  Ian Lance Taylor  <iant@google.com>
11524
11525         * arm.cc (Target_arm::scan::global): Use || instead of |.
11526
11527 2009-06-02  Doug Kwan  <dougkwan@google.com>
11528
11529         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
11530         issued_non_pic_error_.
11531         (class Target_arm::Scan): Declare new method check_non_pic.
11532         Define new method symbol_needs_plt_entry.
11533         Declare new data member issued_non_pic_error_.
11534         (class Target_arm::Relocate): Declare new method
11535         should_apply_static_reloc.
11536         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
11537         (Target_arm::Scan::check_non_pic): Define new method.
11538         (Target_arm::Scan::local): Handle a small subset of reloc types used
11539         by Android.
11540         (Target_arm::Scan::local): Same.
11541         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
11542
11543 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
11544
11545         * incremental.cc (Incremental_inputs::report_command_line): Filter
11546         out --incremental-* options.
11547
11548 2009-05-29  Doug Kwan  <dougkwan@google.com>
11549
11550         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
11551         template class.
11552         (class Target_arm): Update comment.
11553         (Target_arm::Target_arm): Initialize new data members GOT_,
11554         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
11555         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
11556         and Target_arm::rel_dyn_section.
11557         Declare new_enum Target_arm::Got_type.
11558         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
11559         and DYNBSS_.
11560         Update commments for member do_dynsym_value.
11561         (Target_arm::got_size, Target_arm::plt_section,
11562         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
11563         new methods inside class defintion.
11564         (Target_arm::got_section): Define new method.
11565         (Target_arm::rel_dyn_section): Same.
11566         (Output_data_plt_arm): New template class.
11567         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
11568         (Output_data_plt_arm:do_adjust_output_section): Define new method.
11569         (Output_data_plt_arm::add_entry): Same.
11570         (Output_data_plt_arm::first_plt_entry): Define new
11571         static data member for PLT instruction template.
11572         (Output_data_plt_arm::plt_entry): Same.
11573         (Output_data_plt_arm::do_write): Define new method.
11574         (Target_arm::make_plt_entry): Same.
11575         (Target_arm::do_finalize_sections): Same.
11576         (Target_arm::do_dynsym_value): Same.
11577
11578 2009-05-28  Doug Kwan  <dougkwan@google.com>
11579
11580         * Makefile.am (TARGETSOURCES): Add arm.cc.
11581         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
11582         * Makefile.in: Regenerate.
11583         * arm.cc: New file.
11584         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
11585
11586 2009-05-26  Doug Kwan  <dougkwan@google.com>
11587
11588         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
11589         (General_options::check_excluded_libs): Strip off directories in
11590         archive name before matching like GNU ld does.
11591         * testsuite/Makefile.am (MOSTLYCLEANFILES,
11592         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
11593         (exclude_libs_test_LDFLAGS): Add linker option
11594         -Wl,--exclude-libs,libexclude_libs_test_3
11595         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
11596         an explicit archive without using -l.
11597         (alt/libexclude_libs_test_3.a): New make rule.
11598         * testsuite/Makefile.in: Regenerate.
11599         * testsuite/exclude_libs_test.c : Declare lib3_default().
11600         (main): Call it.
11601         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
11602         * exclude_libs_test_3.c: New file.
11603
11604 2009-05-26  Nick Clifton  <nickc@redhat.com>
11605
11606         * po/id.po: New Indonesian translation.
11607         * po/gold.pot: Updated template file.
11608
11609 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
11610
11611         * testsuite/Makefile.am: Add -ffunction-sections to compile
11612         gc_comdat_test files.  Add -Wl,--gc-sections to build
11613         gc_comdat_test.
11614         * testsuite/Makefile.in: Regenerate.
11615         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
11616
11617 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
11618
11619         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
11620         kept comdat section was garbage collected.
11621         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
11622         * testsuite/Makefile.in: Regenerate.
11623         * testsuite/gc_comdat_test.sh: New file.
11624         * testsuite/gc_comdat_test_1.cc: New file.
11625         * testsuite/gc_comdat_test_2.cc: New file.
11626
11627 2009-05-19  Doug Kwan  <dougkwan@google.com>
11628
11629         * archive.cc (Archive::Archive): Move constructor from archive.h
11630         to here.  Initialize no_export_.
11631         (Archive::get_elf_object_for_member): Set no_export flag of object.
11632         * archive.h (Archive::Archive): Move constructor body to
11633         archive.cc.
11634         (Archive::no_export): New method.
11635         (Archive::no_export_): New field.
11636         * object.h (Object::Object): Initialize no_export_ to false.
11637         (Object::no_export, Object::set_no_export): New methods.
11638         (Object::no_export_): New field.
11639         * options.cc (General_options::parse_exclude_libs): New method.
11640         (General_options::check_excluded_libs) Same.
11641         * options.h (exclude_libs): New option.
11642         (General_options::check_excluded_libs): New method declaration.
11643         (General_options::excluded_libs_): New field.
11644         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
11645         default or protected visibility if an object has no-export flag set.
11646         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
11647         (check_SCRIPTS): Add exclude_libs_test.sh.
11648         (check_DATA): Add exclude_libs_test.syms.
11649         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
11650         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
11651         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
11652         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
11653         (exclude_libs_test.syms, libexclude_libs_test_1.a,
11654         libexclude_libs_test_2.a): New rules.
11655         * testsuite/Makefile.in: Regenerate.
11656         * testsuite/exclude_libs_test.c: New file.
11657         * testsuite/exclude_libs_test.sh: Ditto.
11658         * testsuite/exclude_libs_test_1.c: Ditto.
11659         * testsuite/exclude_libs_test_2.c: Ditto.
11660
11661 2009-05-15  Ian Lance Taylor  <iant@google.com>
11662
11663         * configure.ac: Check for declarations for cases where libiberty.h
11664         checks HAVE_DECL_xxx.
11665         * configure, config.in: Rebuild.
11666
11667 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
11668
11669         * gold.h (Incremental_argument_list): Remove (invalid) forward
11670         declaration.
11671         * incremental.cc (Incremental_inputs::report_achive): New method.
11672         (Incremental_inputs::report_object): New method.
11673         (Incremental_inputs::report_script): New method.
11674         (Incremental_inputs::finalize_inputs): New method.
11675         (Incremental_inputs::finalize): Call finalize_inputs().
11676         (Incremental_inputs::sized_create_incremental_inputs_section_data):
11677         Create inputs entries.
11678         * incremental.h (Incremental_input_type): New enum.
11679         (Incremental_inputs::Incremental_input): Initialize new fields.
11680         (Incremental_inputs::report_inputs): New method.
11681         (Incremental_inputs::report_achive): New method.
11682         (Incremental_inputs::report_object): New method.
11683         (Incremental_inputs::report_script): New method.
11684         (Incremental_inputs::finalize_inputs): New method.
11685         (Incremental_inputs::Input_info): New struct.
11686         (Incremental_inputs::Input_info_map): New typedef.
11687         (Incremental_inputs::lock_): New field.
11688         (Incremental_inputs::Inputs_): New field.
11689         (Incremental_inputs::Inputs_map): New field.
11690         * main.cc (main): Call Incremental_input::report_inputs.
11691         * options.h (Input_argument_list): Typedef moved from
11692         Input_arguments.
11693         (Input_file_group::Files): Remove, use ::Input_argument_list.
11694         (Input_file_group::Input_argument_list): Remove, use
11695         ::Input_argument_list.
11696         * plugin.cc (Plugin_manager::add_input_file): Add error in
11697         incremental build.
11698         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
11699         functions.
11700         * script.cc (read_input_script): Call
11701         Incremental_input::report_script.
11702         * script.h (Script_info): New class.
11703
11704 2009-04-27  Ian Lance Taylor  <iant@google.com>
11705
11706         * x86_64.cc (do_adjust_output_section): Set entsize to
11707         plt_entry_size.
11708
11709 2009-04-23  Elliott Hughes  <enh@google.com>
11710
11711         * output.cc (Output_file::close): After short writes, continue
11712         writing from the correct offset in the buffer being written.
11713
11714 2009-04-23  Chris Demetriou  <cgd@google.com>
11715
11716         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
11717         * configure: Regenerate.
11718         * config.in: Regenerate.
11719         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
11720         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
11721
11722 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
11723
11724         * incremental.cc (Incremental_inputs_header_data): Renamed from
11725         Incremental_input_header_data.
11726         (Incremental_inputs_header_data::data_size): New field.
11727         (Incremental_inputs_header_data::put_input_file_count): Renamed
11728         from input_file_count.
11729         (Incremental_inputs_header_data::put_command_line_offset): Renamed
11730         from command_line_offset.
11731         (Incremental_inputs_header_data::put_reserved): Renamed from
11732         put_reserved.
11733         (Incremental_inputs_entry_data): Renamed from
11734         Incremental_input_entry_data.
11735         (Incremental_inputs_entry_data::data_size): New field.
11736         (Incremental_inputs::report_command_line): New method.
11737         (Incremental_inputs::finalize): New method.
11738         (Incremental_inputs::create_incremental_inputs_data): New method.
11739         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
11740         * incremental.h: New file.
11741         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
11742         (Layout::finalize): Create incremental inputs section in
11743         incremental builds.
11744         (Layout::create_incremental_info_sections): New method.
11745         * layout.h (Layout::incremental_inputs): New method.
11746         (Layout::create_incremental_info_sections): New method.
11747         (Layout::incremental_inputs_): New field.
11748         * main.cc (main): Notify Incremental_input of the command line.
11749
11750 2009-04-01  Ian Lance Taylor  <iant@google.com>
11751             Mikolaj Zalewski  <mikolajz@google.com>
11752
11753         * gold.h (reserve_unordered_map): Define, three versions, one for
11754         each version of Unordered_map.
11755         * layout.cc (Layout::Layout): Remove options parameter.  Add
11756         number_of_input_files parameter.  Don't initialize options_.
11757         Initialize number_of_input_files_ and resized_signatures_.  Move
11758         sections_are_attached_.
11759         (Layout::layout_group): Reserve space for group_signatures_.
11760         (Layout::find_or_add_kept_section): Change name parameter to be a
11761         reference.  Resize signatures_ map when it gets large enough.
11762         (Layout::layout_eh_frame): Use parameters->options() instead of
11763         this->options_.
11764         (Layout::make_output_section): Likewise.
11765         (Layout::attach_allocated_section_to_segment): Likewise.
11766         (Layout::finalize, Layout::create_executable_stack): Likewise.
11767         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
11768         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
11769         * layout.h (class Layout): Update declarations.  Remove options_
11770         field.  Add number_of_input_files_ and resized_signatures_
11771         fields.  Move sections_are_attached_ field.
11772         * main.cc (main): Pass number of input files to Layout
11773         constructor.  Don't pass options.
11774
11775 2009-03-30  Ian Lance Taylor  <iant@google.com>
11776
11777         * ffsll.c (ffsll): Correct implementation.
11778
11779 2009-03-27  Ian Lance Taylor  <iant@google.com>
11780
11781         * ffsll.c: New file.
11782         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
11783         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
11784         * ftruncate.c (ftruncate): Declare before definition.
11785         * mremap.c (mremap): Likewise.
11786         * pread.c (pread): Likewise.
11787         * configure, Makefile.in, config.in: Rebuild.
11788
11789         * mremap.c: New file.
11790         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
11791         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
11792         (mremap): Declare if HAVE_MREMAP is not defined.
11793         * configure, Makefile.in, config.in: Rebuild.
11794
11795 2009-03-27  Cary Coutant  <ccoutant@google.com>
11796
11797         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11798         position independent.
11799         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11800         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11801
11802 2009-03-24  Cary Coutant  <ccoutant@google.com>
11803
11804         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11805         an executable.
11806         (needs_dynamic_reloc): Likewise.
11807
11808 2009-03-24  Ian Lance Taylor  <iant@google.com>
11809
11810         * yyscript.y (file_cmd): Recognize EXTERN.
11811         (extern_name_list, extern_name_list_body): New nonterminals.
11812         * script.cc (script_add_extern): Define.
11813         * script-c.h (script_add_extern): Declare.
11814
11815 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11816
11817         * object.cc (is_elf_object): Define.
11818         * object.h (is_elf_object): Declare.
11819         * archive.cc (Archive::get_elf_object_for_member): Call
11820         is_elf_object.
11821         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11822
11823 2009-03-24  Elliott Hughes  <enh@google.com>
11824
11825         * output.cc (Output_file::map_anonymous): Define.
11826         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11827         try an anonymous one.  Report the size if the mmap fails.
11828         * output.h (class Output_file): Declare map_anonymous.
11829
11830 2009-03-24  Ian Lance Taylor  <iant@google.com>
11831
11832         * target-select.cc (instantiate_target): Don't acquire the lock if
11833         the instantiated_target_ field has already been set.
11834
11835 2009-03-23  Ian Lance Taylor  <iant@google.com>
11836
11837         * gold-threads.h (class Initialize_lock): Define.
11838         * gold-threads.cc (class Initialize_lock_once): Define.
11839         (initialize_lock_control): New static variable.
11840         (initialize_lock_pointer): New static variable.
11841         (initialize_lock_once): New static function.
11842         (Initialize_lock::Initialize_lock): Define.
11843         (Initialize_lock::initialize): Define.
11844         * target-select.h: Include "gold-threads.h".
11845         (class Target_selector): Add lock_ and initialize_lock_ fields.
11846         Don't define instantiate_target, just declare it.
11847         * target-select.cc (Target_selector::Target_selector): Initialize
11848         new fields.
11849         (Target_selector::instantiate_target): Define.
11850         * descriptors.h: Include "gold-threads.h".
11851         (class Descriptors): Add initialize_lock_ field.
11852         * descriptors.cc (Descriptors::Descriptors): Initialize new
11853         field.
11854         (Descriptors::open): Use initialize_lock_ field
11855         * errors.h (class Errors): Add initialize_lock_ field.
11856         * errors.cc (Errors::Errors): Initialize new field.
11857         (Errors::initialize_lock): Use initialize_lock_ field.
11858         * powerpc.cc (class Target_selector_powerpc): Remove
11859         instantiated_target_ field.  In do_recognize call
11860         instantiate_target rather than do_instantiate_target.  In
11861         do_instantiate_target just allocate a new target.
11862         * sparc.cc (class Target_selector_sparc): Likewise.
11863
11864         * freebsd.h: New file.
11865         * i386.cc: Include "freebsd.h".
11866         (Target_i386): Derive from Target_freebsd rather than
11867         Sized_target.
11868         (Target_selector_i386): Derive from Target_selector_freebsd rather
11869         than Target_selector.
11870         * x86_64.cc: Include "freebsd.h".
11871         (Target_x86_64): Derive from Target_freebsd rather than
11872         Sized_target.
11873         (Target_selector_x86_64): Derive from Target_selector_freebsd
11874         rather than Target_selector.
11875         * target.h (class Target): Add adjust_elf_header and
11876         do_adjust_elf_header.
11877         * output.cc (Output_file_header:: do_sized_write): Call target
11878         adjust_elf_header routine.
11879         * configure.tgt: Set targ_osabi.
11880         * configure.ac: Define GOLD_DEFAULT_OSABI.
11881         * parameters.cc (Parameters::default_target): Pass
11882         GOLD_DEFAULT_OSABI to select_target.
11883         * target-select.h (class Target_selector): Make instantiate_target
11884         protected rather than private.
11885         * Makefile.am (HFILES): Add freebsd.h.
11886         * configure, Makefile.in, config.in: Rebuild.
11887
11888         * merge.cc (do_add_input_section): Correct pend value.  Change
11889         message about last entry not being null terminated from error to
11890         warning.
11891
11892 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11893
11894         * incremental.cc: New file.
11895         * Makefile.am (CCFILES): Add incremental.cc.
11896         * Makefile.in: Rebuild.
11897
11898 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11899
11900         * layout.cc (Layout::output_section_name): Preserve names
11901         of '.note.' sections.
11902
11903 2009-03-19  Ian Lance Taylor  <iant@google.com>
11904
11905         * descriptors.cc (Descriptors::open): Check that the options are
11906         valid before using them.
11907
11908 2009-03-18  Ian Lance Taylor  <iant@google.com>
11909
11910         * script-sections.h: Include <list>.
11911         (class Script_sections): Change Sections_elements from std::vector
11912         to std::list.  Typedef public Elements_iterator.  Add
11913         orphan_section_placement_, data_segment_align_start_, and
11914         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11915         field.
11916         * script-sections.cc (class Orphan_section_placement): New class.
11917         (class Sections_element): Add virtual functions is_relro and
11918         orphan_section_init.  Remove virtual function place_orphan_here.
11919         (class Output_section_definition): Add is_relro and
11920         orphan_section_init.  Remove place_orphan_here.
11921         (class Orphan_output_section): Likewise.
11922         (Script_sections::Script_sections): Update for field changes.
11923         (Script_sections::data_segment_align): Set saw_data_segment_align_
11924         and data_segment_align_start_, not data_segment_align_index.
11925         (Script_sections::data_segment_relro_end): Check
11926         saw_data_segment_align_.  Use data_segment_align_start_ rather
11927         than data_segment_align_index_.
11928         (Script_sections::place_orphan): Rewrite to use
11929         Orphan_section_placement.
11930
11931 2009-03-17  Ian Lance Taylor  <iant@google.com>
11932
11933         * archive.cc (Archive::add_symbols): Check for a version attached
11934         to the symbol name in the archive map.
11935         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11936         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11937         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11938         (ver_test_11.a): New target.
11939         * testsuite/Makefile.in: Rebuild.
11940
11941         * configure.ac: Check for chsize and posix_fallocate.  Replace
11942         ftruncate.
11943         * ftruncate.c: New file, from gnulib.
11944         * output.cc (posix_fallocate): Define dummy version if not
11945         HAVE_POSIX_FALLOCATE.
11946         (Output_file::map): Call posix_fallocate rather than lseek and
11947         write.
11948         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11949         * configure, Makefile.in, config.in: Rebuild.
11950
11951 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11952
11953         * layout.h (Layout::create_note): Add section_name parameter.
11954         * layout.cc (Layout::create_note): Likewise.
11955         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11956
11957 2009-03-17  Ian Lance Taylor  <iant@google.com>
11958
11959         * descriptors.cc: Include "options.h".
11960         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11961         (Descriptors::open): Always use O_CLOEXEC when opening a new
11962         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11963         then set FD_CLOEXEC.
11964
11965         * sparc.cc (class Target_sparc): Add has_got_section.
11966         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11967         make sure we have a GOT section.
11968
11969         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11970         (Target_sparc::Scan::local): Likewise.
11971         (Target_sparc::Scan::global): Likewise.
11972         (Target_sparc::Relocate::relocate): Likewise.
11973         (Target_sparc::Relocate::relocate_tls): Likewise.
11974
11975         * symtab.cc (Symbol_table::define_default_version): New function,
11976         broken out of add_from_object.
11977         (Symbol_table::add_from_object): Call define_default_version.
11978         (Symbol_table::define_special_symbol): Add resolve_oldsym
11979         parameter.  Change all callers.  If the version for a symbol comes
11980         from a version script, resolve it with the symbol with the same
11981         name with no version.  Also add the symbol without a version if
11982         appropriate.
11983         (do_define_in_output_data): If resolving with oldsym, don't delete
11984         sym.
11985         (do_define_in_output_segment): Likewise.
11986         (do_define_as_constant): Likewise.
11987         * symtab.h (class Symbol_table): Update declarations.
11988
11989 2009-03-13  Ian Lance Taylor  <iant@google.com>
11990
11991         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11992         (Read_symbols::requeue): New function.
11993         (Read_symbols::do_read_symbols): If make_elf_object fails because
11994         the target type is not configured, and the file was searched for,
11995         issue a warning and retry with the next directory.
11996         (Add_symbols::run): If the file has an incompatible format, and
11997         it was searched for, requeue the Read_symbols task.  On error,
11998         release the object.
11999         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
12000         dirindex parameter to constructor.  Change all callers.  Declare
12001         incompatible_warning and requeue.
12002         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
12003         input_argument_ and input_group_ fields.  Add them to
12004         constructor.  Change all callers.
12005         (class Read_script): Add dirindex_ field.  Add it to constructor.
12006         Change all callers.
12007         * archive.cc (Archive::setup): Remove input_objects parameter.
12008         Change all callers.
12009         (Archive::get_file_and_offset): Likewise.
12010         (Archive::read_all_symbols): Likewise.
12011         (Archive::read_symbols): Likewise.
12012         (Archive::get_elf_object_for_member): Remove input_objects
12013         parameter.  Add punconfigured parameter.  Change all callers.
12014         (Archive::add_symbols): Change return type to bool.  Check return
12015         value of include_member.
12016         (Archive::include_all_members): Likewise.
12017         (Archive::include_member): Change return type to bool.  Return
12018         false if first included object has incompatible target.  Set
12019         included_member_ field.
12020         (Add_archive_symbols::run): If add_symbols returns false, requeue
12021         Read_symbols task.
12022         * archive.h (class Archive): Add included_member_ field.
12023         Initialize it in constructor.  Add input_file and searched_for
12024         methods.  Update declarations.
12025         (class Add_archive_symbols): Add dirpath_, dirindex_, and
12026         input_argument_ fields.  Add them to constructor.  Change all
12027         callers.
12028         * script.cc: Include "target-select.h".
12029         (class Parser_closure): Add skip_on_incompatible_target_ and
12030         found_incompatible_target_ fields.  Add
12031         skip_on_incompatible_target parameter to constructor.  Change all
12032         callers.  Add methods skip_on_incompatible_target,
12033         clear_skip_on_incompatible_target, found_incompatible_target, and
12034         set_found_incompatible_target.
12035         (read_input_script): Add dirindex parameter.  Change all callers.
12036         If parser finds an incompatible target, requeue Read_symbols
12037         task.
12038         (script_set_symbol): Clear skip_on_incompatible_target in
12039         closure.
12040         (script_add_assertion, script_parse_option): Likewise.
12041         (script_start_sections, script_add_phdr): Likewise.
12042         (script_check_output_format): New function.
12043         * script.h (read_input_script): Update declaration.
12044         * script-c.h (script_check_output_format): Declare.
12045         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
12046         (ignore_cmd): Remove OUTPUT_FORMAT.
12047         * fileread.cc (Input_file::Input_file): Add explicit this.
12048         (Input_file::will_search_for): New function.
12049         (Input_file::open): Add pindex parameter.  Change all callers.
12050         * fileread.h (class Input_file): Add input_file_argument method.
12051         Declare will_search_for.  Update declarations.
12052         * object.cc (make_elf_object): Add punconfigured parameter.
12053         Change all callers.
12054         * object.h (class Object): Make input_file public.  Add
12055         searched_for method.
12056         (make_elf_object): Update declaration.
12057         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
12058         restart search.
12059         * dirsearch.h (class Dirsearch): Update declaration.
12060         * options.h (class General_options): Add --warn-search-mismatch.
12061         * parameters.cc (Parameters::is_compatible_target): New function.
12062         * parameters.h (class Parameters): Declare is_compatible_target.
12063         * workqueue.cc (Workqueue::add_blocker): New function.
12064         * workqueue.h (class Workqueue): Declare add_blocker.
12065
12066         * fileread.cc (Input_file::open): Remove options parameter.
12067         Change all callers.
12068         (Input_file::open_binary): Likewise.
12069         * script.cc (read_input_script): Likewise.
12070         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
12071         options parameter from constructor.  Change all callers.
12072         (class Read_script): Likewise.
12073         * fileread.h (class Input_file): Update declarations.
12074         * script.h (read_input_script): Update declaration.
12075
12076 2009-03-10  Nick Clifton  <nickc@redhat.com>
12077
12078         * po/es.po: New Spanish translation.
12079
12080 2009-03-06  Cary Coutant  <ccoutant@google.com>
12081
12082         * options.cc (parse_short_option): Keep dash_z from registering itself.
12083
12084 2009-03-03  Ian Lance Taylor  <iant@google.com>
12085
12086         PR 9918
12087         * target-reloc.h (relocate_section): Pass output_section to
12088         relocate.
12089         * i386.cc (Target_i386::should_apply_static_reloc): Add
12090         output_section parameter.  Change all callers.
12091         (Target_i386::Relocate::relocate): Add output_section parameter.
12092         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
12093         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
12094         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
12095         * testsuite/two_file_shared.sh: New script.
12096         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
12097         (check_DATA): Add two_file_shared.dbg.
12098         (two_file_shared.dbg): New target.
12099         * testsuite/Makefile.in: Rebuild.
12100
12101 2009-03-01  Ian Lance Taylor  <iant@google.com>
12102
12103         * configure.ac: Check for byteswap.h.
12104         * configure: Rebuild.
12105         * config.in: Rebuild.
12106
12107 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
12108
12109         * layout.cc (Layout::find_or_add_kept_section): New function.
12110         (Layout::add_comdat): Removed.
12111         * layout.h (struct Kept_section): Move out of class Layout.
12112         Remove trailing underscores from field names.  Add group_sections
12113         field.  Rename group_ field to is_group.  Change all uses.
12114         (class Layout): Declare find_or_add_kept_section, not add_comdat.
12115         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
12116         comdat_groups_ field.
12117         (Sized_relobj::include_section_group): Use
12118         find_or_add_kept_section and Kept_section::group_sections.
12119         (Sized_relobj::include_linkonce_section): Likewise.
12120         * object.cc (class Sized_relobj): Don't define Comdat_group or
12121         Comdat_group_table.  Remove find_comdat_group and
12122         add_comdat_group.  Remove comdat_groups_ field.
12123         * plugin.cc (include_comdat_group): Use
12124         Layout::find_or_add_kept_section.
12125
12126 2009-02-28  Ian Lance Taylor  <iant@google.com>
12127
12128         * README: --gc-sections and map files are now supported.  Document
12129         some build requirements.
12130
12131         PR 6992
12132         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
12133         relocatable link set the value of the section symbol to zero.
12134         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
12135         relocatable link don't include the section address in the local
12136         symbol value.
12137
12138 2009-02-27  Ian Lance Taylor  <iant@google.com>
12139
12140         PR 6811
12141         * options.h (class Search_directory): Add is_system_directory.
12142         (class General_options): Declare is_in_system_directory.
12143         * options.cc (get_relative_sysroot): Make static.
12144         (get_default_sysroot): Make static.
12145         (General_optoins::is_in_system_directory): New function.
12146         * fileread.cc (Input_file::is_in_system_directory): New function.
12147         * fileread.h (class Input_file): Declare is_in_system_directory.
12148         * object.h (class Object): Add is_in_system_directory.
12149         (class Input_objects): Remove system_library_directory_ field.
12150         * object.cc (Input_objects::add_object): Don't set
12151         system_library_directory_.
12152         (input_objects::found_in_system_library_directory): Remove.
12153         * symtab.cc (Symbol_table::write_globals): Remove input_objects
12154         parameter.  Change all callers.
12155         (Symbol_table::sized_write_globals): Likewise.
12156         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
12157         Call Object::is_in_system_directory.
12158         * symtab.h (class Symbol_table): Update declarations.
12159
12160         PR 5990
12161         * descriptors.h (Open_descriptor): Add is_on_stack field.
12162         * descriptors.cc (Descriptors::open): If the descriptor is on the
12163         top of the stack, remove it.  Initialize is_on_stack field.
12164         (Descriptors::release): Only add pod to stack if it is not on the
12165         stack already.
12166         (Descriptors::close_some_descriptor): Clear stack_next and
12167         is_on_stack fields.
12168
12169         PR 7091
12170         * output.cc (Output_section::find_starting_output_address): Rename
12171         from starting_output_address; add PADDR parameter; change return
12172         type.
12173         * output.h (class Output_section): Declare
12174         find_starting_output_address instead of starting_output_address.
12175         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
12176         section symbol for which we can't find a merge section.
12177
12178         PR 9836
12179         * symtab.cc (Symbol_table::add_from_object): If the visibility is
12180         hidden or internal, force the symbol to be local.
12181         * resolve.cc (Symbol::override_visibility): Define.
12182         (Symbol::override_base): Use override_visibility.
12183         (Symbol_table::resolve): Likewise.
12184         (Symbol::override_base_with_special): Likewise.
12185         (Symbol_table::override_with_special): If the visibility is hidden
12186         or internal, force the symbol to be local.
12187         * symtab.h (class Symbol): Add set_visibility and
12188         override_visibility.
12189         * testsuite/ver_test_1.sh: New file.
12190         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
12191         (check_DATA): Add ver_test_1.syms.
12192         (ver_test_1.syms): New target.
12193         * testsuite/Makefile.in: Rebuild.
12194
12195 2009-02-25  Cary Coutant  <ccoutant@google.com>
12196
12197         * layout.cc (Layout::choose_output_section): Don't rename sections
12198         when using a linker script that has a SECTIONS clause.
12199         * Makefile.in: Regenerate.
12200
12201         * testsuite/Makefile.am (script_test_5.sh): New test case.
12202         * testsuite/Makefile.in: Regenerate.
12203         * testsuite/script_test_5.cc: New file.
12204         * testsuite/script_test_5.sh: New file.
12205         * testsuite/script_test_5.t: New file.
12206
12207 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
12208
12209         * archive.cc (Archive::include_member): Update calls to add_symbols.
12210         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
12211         the Layout argument.
12212         * dynobj.h (do_add_symbols): Add the Layout argument.
12213         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
12214         Layout argument.
12215         * object.h (Object::add_symbols): Add the Layout argument.
12216         (Object::do_add_symbols): Add the Layout argument.
12217         (Sized_relobj::do_add_symbols): Add the Layout argument.
12218         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
12219         Unify the two versions.
12220         (Add_plugin_symbols): Remove.
12221         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
12222         (Sized_pluginobj::do_add_symbols): Unify the two versions.
12223         (Add_plugin_symbols): Remove.
12224         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
12225         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
12226         (Add_symbols::run): Make it work with Pulginobj.
12227
12228 2009-02-06  Ian Lance Taylor  <iant@google.com>
12229
12230         * object.cc (Sized_relobj::do_layout): Make info message start
12231         with lower case letter.
12232
12233 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
12234
12235         * binary.cc: Fix file comment.
12236
12237         * options.h (enum Incremental_disposition): Define.
12238         (class General_options): Add new options: --incremental,
12239         --incremental_changed, --incremental_unchanged,
12240         --incremental_unknown.  Add incremental_disposition_ and
12241         implicit_incremental_ fields.
12242         (General_options::incremental_disposition): New function.
12243         (class Position_dependent_options): Add incremental_disposition
12244         option.
12245         (Position_dependent_options::copy_from_options): Set incremental
12246         dispositions.
12247         * options.cc (General_options::parse_incremental_changed): New
12248         function.
12249         (General_options::parse_incremental_unchanged): New function.
12250         (General_options::parse_incremental_unknown): New function.
12251         (General_options::General_options): Initialize new fields
12252         incremental_disposition_ and implicit_incremental_.
12253         (General_options::finalize): Check for uasge of --incremental-*
12254         without --incremental.
12255
12256 2009-02-06  Chris Demetriou  <cgd@google.com>
12257
12258         * gold.h (gold_undefined_symbol): Change to take only a Symbol
12259         pointer and to report location as the file name associated with
12260         the symbol.
12261         (gold_undefined_symbol_at_location): New function to replace the
12262         old gold_undefined_symbol functionality.
12263         * target-reloc.h (relocate_section): Update to use
12264         gold_undefined_symbol_at_location.
12265         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12266         Call gold_undefined_symbol function rather than gold_error.
12267         * errors.h (Errors::undefined_symbol): Take location as a
12268         string, rather than calculating it from a relocation.
12269         * errors.cc (Errors::fatal): Print "fatal error:" before the
12270         formatted message.
12271         (Errors::error, Errors::error_at_location): Print "error: "
12272         before the formatted message.
12273         (Errors::undefined_symbol): Take location as a string, rather
12274         than calculating it from a relocation.
12275         (gold_undefined_symbol_at_location): New function akin to
12276         old gold_undefined_symbol, calculates location from relocation.
12277         (gold_undefined_symbol): Change to take only a Symbol pointer
12278         and to report location as the file name associated with the symbol.
12279         * testsuite/debug_msg.sh: Update for changed error messages.
12280         * testsuite/undef_symbol.sh: Likewise.
12281
12282 2009-02-04  Duncan Sands  <baldrick@free.fr>
12283
12284         PR 9812
12285         * reduced_debug_output.h
12286         (Output_reduced_debug_abbrev_section::failed): Use format for
12287         gold_warning.
12288         (Output_reduced_debug_info_section::faild): Likewise.
12289
12290 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
12291
12292         * script.cc (Lazy_demangler): New class.
12293         (Version_script_info::get_symbol_version_helper): Demangle a
12294         symbol only once.
12295
12296 2009-01-29  Cary Coutant  <ccoutant@google.com>
12297
12298         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
12299         to __tls_get_addr.
12300         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
12301
12302 2009-01-28  Ian Lance Taylor  <iant@google.com>
12303
12304         * version.cc (version_string): Bump to 1.9.
12305
12306         * gold.h: Include <cstring> and <stdint.h>.
12307         * version.cc: Include <cstdio>.
12308         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
12309         warning.
12310         * reduced_debug_output.cc (insert_into_vector): Rename from
12311         Insert_into_vector; change all callers.  Use Swap_unaligned to
12312         avoid aliasing issue; remove union since it is unnecessary.
12313
12314 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
12315
12316         * Makefile.am (CCFILES): Add gc.cc.
12317         (HFILES): Add gc.h.
12318         * Makefile.in: Regenerate.
12319         * gold.cc (Gc_runner): New class.
12320         (queue_initial_tasks): Call garbage collection related tasks
12321         when corresponding options are invoked.
12322         (queue_middle_gc_tasks): New function.
12323         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
12324         processed early before laying out sections during garbage collection.
12325         * gold.h (queue_middle_gc_tasks): New function.
12326         (is_prefix_of): Move from "layout.cc".
12327         * i386.cc (Target_i386::gc_process_relocs): New function.
12328         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
12329         * main.cc (main): Create object of class "Garbage_collection".
12330         * object.cc (Relobj::copy_symbols_data): New function.
12331         (Relobj::is_section_name_included): New function.
12332         (Sized_relobj::do_layout): Allow this function to be called twice
12333         during garbage collection and defer layout of section during the
12334         first call.
12335         * object.h (Relobj::get_symbols_data): New function.
12336         (Relobj::is_section_name_included): New function.
12337         (Relobj::copy_symbols_data): New function.
12338         (Relobj::set_symbols_data): New function.
12339         (Relobj::get_relocs_data): New function.
12340         (Relobj::set_relocs_data): New function.
12341         (Relobj::is_output_section_offset_invalid): New pure virtual function.
12342         (Relobj::gc_process_relocs): New function.
12343         (Relobj::do_gc_process_relocs): New pure virtual function.
12344         (Relobj::sd_): New data member.
12345         (Sized_relobj::is_output_section_offset_invalid): New function.
12346         (Sized_relobj::do_gc_process_relocs): New function.
12347         * options.h (General_options::gc_sections): Modify to not be a no-op.
12348         (General_options::print_gc_sections): New option.
12349         * plugin.cc (Plugin_finish::run): Remove function call to
12350         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
12351         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
12352         * reloc.cc (Read_relocs::run): Add task to process relocs and
12353         determine unreferenced sections when doing garbage collection.
12354         (Gc_process_relocs): New class.
12355         (Sized_relobj::do_gc_process_relocs): New function.
12356         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
12357         sections that are garbage collected.
12358         * reloc.h (Gc_process_relocs): New class.
12359         * sparc.cc (Target_sparc::gc_process_relocs): New function.
12360         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
12361         symbols whose corresponding sections are garbage collected.
12362         (Symbol_table::Symbol_table): Add new parameter for the garbage
12363         collection object.
12364         (Symbol_table::gc_mark_undef_symbols): New function.
12365         (Symbol_table::gc_mark_symbol_for_shlib): New function.
12366         (Symbol_table::gc_mark_dyn_syms): New function.
12367         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
12368         as garbage.
12369         (Symbol_table::add_from_object): Likewise.
12370         (Symbol_table::add_from_relobj): When building shared objects, do not
12371         treat externally visible symbols as garbage.
12372         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
12373         table information for static and relocatable links.
12374         * symtab.h (Symbol_table::set_gc): New function.
12375         (Symbol_table::gc): New function.
12376         (Symbol_table::gc_mark_undef_symbols): New function.
12377         (Symbol_table::gc_mark_symbol_for_shlib): New function.
12378         (Symbol_table::gc_mark_dyn_syms): New function.
12379         (Symbol_table::gc_): New data member.
12380         * target.h (Sized_target::gc_process_relocs): New pure virtual
12381         function.
12382         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
12383         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
12384
12385 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
12386
12387         * options.h (General_options::gc_sections): Define as a no-op for now.
12388         (General_options::no_keep_memory): Ditto.
12389         (General_options::Bshareable): Define.
12390         * options.cc (General_options::finalize): Honor -Bshareable.
12391
12392 2009-01-20  Andreas Schwab  <schwab@suse.de>
12393
12394         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
12395         read the value in the contents, since we don't use it.  Use the
12396         template endianness when writing.
12397         (Relocate::relocate): Use it for R_PPC_REL16_HA.
12398
12399 2009-01-19  Andreas Schwab  <schwab@suse.de>
12400
12401         * configure.tgt (powerpc64-*): Fix targ_obj.
12402
12403 2009-01-15  Ian Lance Taylor  <iant@google.com>
12404
12405         * object.cc (Sized_relobj::write_local_symbols): Don't write out
12406         local symbols when stripping all symbols.
12407
12408 2009-01-14  Cary Coutant  <ccoutant@google.com>
12409
12410         * output.cc (Output_reloc): Add explicit instantiations.
12411
12412 2009-01-14  Cary Coutant  <ccoutant@google.com>
12413
12414         * archive.cc (Archive::get_elf_object_for_member): Remove call
12415         to File_read::claim_for_plugin.
12416         * descriptors.cc (Descriptors::open): Remove reference to
12417         is_claimed.
12418         (Descriptors::claim_for_plugin): Remove.
12419         * descriptors.h (Descriptors::claim_for_plugin): Remove.
12420         (Descriptors::is_claimed): Remove.
12421         (claim_descriptor_for_plugin): Remove.
12422         * fileread.cc (File_read::claim_for_plugin): Remove.
12423         * fileread.h (File_read::claim_for_plugin): Remove.
12424         (File_read::descriptor): Reopen descriptor if necessary.
12425         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
12426         (Plugin_manager::all_symbols_read): Add task parameter. Change
12427         all callers.
12428         (Plugin_manager::get_input_file): New function.
12429         (Plugin_manager::release_input_file): New function.
12430         (Pluginobj::Pluginobj): Add filesize parameter and initialize
12431         corresponding data member.
12432         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
12433         and pass to base constructor. Change all callers.
12434         (get_input_file, release_input_file): New functions.
12435         (make_sized_plugin_object): Add filesize parameter. Change all callers.
12436         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
12437         (Plugin_manager::all_symbols_read): Add task parameter.
12438         (Plugin_manager::get_input_file): New function.
12439         (Plugin_manager::release_input_file): New function.
12440         (Plugin_manager::task_): New data member.
12441         (Pluginobj::Pluginobj): Add filesize parameter.
12442         (Pluginobj::filename): New function.
12443         (Pluginobj::descriptor): New function.
12444         (Pluginobj::filesize): New function.
12445         (Pluginobj::filesize_): New data member.
12446         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
12447         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
12448         File_read::claim_for_plugin; use Object::unlock to unlock the file.
12449
12450         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
12451         with archive libraries.
12452         * testsuite/Makefile.in: Regenerate.
12453         * testsuite/plugin_test.c (struct sym_info): New type.
12454         (get_input_file, release_input_file): New static variables.
12455         (onload): Capture new transfer vector entries.
12456         (claim_file_hook): Stop reading at end of file according to filesize.
12457         Factor out parsing of readelf output into separate function.
12458         (all_symbols_read_hook): Exercise get_input_file and release_input_file
12459         APIs and get the source file name from the symbol table.  Convert
12460         source file name to corresponding object file name.  Print info
12461         message when adding new input files.
12462         (parse_readelf_line): New function.
12463         * testsuite/plugin_test_1.sh: Add checks for new info messages.
12464         * testsuite/plugin_test_2.sh: Likewise.
12465         * testsuite/plugin_test_3.sh: Likewise.
12466         * testsuite/plugin_test_4.sh: New test case.
12467
12468 2009-01-07  Ian Lance Taylor  <iant@google.com>
12469
12470         * version.cc (version_string): Bump to 1.8.
12471
12472 2008-12-23  Cary Coutant  <ccoutant@google.com>
12473
12474         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
12475         * plugin.cc (Plugin_manager::finish): Rename as
12476         layout_deferred_objects.  Move cleanup to separate function.
12477         (Plugin_manager::cleanup): New function.
12478         (Plugin_finish::run): Call layout_deferred_objects and cleanup
12479         separately.
12480         * plugin.h (Plugin_manager::finish): Rename as
12481         layout_deferred_objects.
12482         (Plugin_manager::cleanup): New function.
12483         (Plugin_manager::cleanup_done): New field.
12484
12485 2008-12-23  Cary Coutant  <ccoutant@google.com>
12486
12487         * plugin.cc (is_visible_from_outside): New function.
12488         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
12489         so we don't return "IR only" status for exported symbols or -r links.
12490
12491         * testsuite/Makefile.am (plugin_test_3): New test case.
12492         * testsuite/Makefile.in: Regenerate.
12493         * testsuite/plugin_test_3.sh: New file.
12494
12495 2008-12-22  Cary Coutant  <ccoutant@google.com>
12496
12497         * object.cc (Sized_relobj::layout_section): New function.
12498         (Sized_relobj::do_layout): Defer layout of input sections until after
12499         plugin has provided replacement files.
12500         (Sized_relobj::do_layout_deferred_sections): New function.
12501         * object.h (Relobj::set_section_offset): Remove virtual keyword.
12502         (Relobj::layout_deferred_sections): New function.
12503         (Relobj::do_layout_deferred_sections): New function.
12504         (Sized_relobj::do_layout_deferred_sections): New function.
12505         (Sized_relobj::layout_section): New function.
12506         (Sized_relobj::Deferred_layout): New structure.
12507         (Sized_relobj::deferred_layout_): New field.
12508         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
12509         Change all callers.  Layout deferred sections.
12510         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
12511         references.
12512         (Plugin_hook::run): Move code from do_plugin_hook inline.
12513         (Plugin_hook::do_plugin_hook): Remove.
12514         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
12515         (Plugin_manager::finish): Renamed, was cleanup.
12516         (Plugin_manager::should_defer_layout): New function.
12517         (Plugin_manager::add_deferred_layout_object): New function.
12518         (Plugin_manager::Deferred_layout_list): New type.
12519         (Plugin_manager::deferred_layout_objects_): New field.
12520         (Plugin_hook::do_plugin_hook): Remove.
12521
12522 2008-12-17  Ian Lance Taylor  <iant@google.com>
12523
12524         * options.h (class General_options): Add --no case for
12525         --export-dynamic.
12526
12527 2008-12-16  Cary Coutant  <ccoutant@google.com>
12528
12529         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
12530         vector.
12531         (Plugin_manager::claim_file): Create plugin object even if
12532         plugin did not call the add_symbols callback.
12533         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
12534         asking for more symbols than were added.
12535         * testsuite/Makefile.am (plugin_test_1): Add test case with
12536         no global symbols.
12537         (empty.syms): New target.
12538         * testsuite/Makefile.in: Regenerate.
12539         * testsuite/plugin_test.c (claim_file_hook): Add new debug
12540         message. Don't call add_symbols if no globals.
12541         (all_symbols_read_hook): Don't provide replacement for empty
12542         claimed file.
12543
12544 2008-12-12  Ian Lance Taylor  <iant@google.com>
12545
12546         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
12547         r_type == 0 for a local symbol with r_sym == 0.
12548         (scan_relocatable_relocs): Pass r_sym to
12549         local_non_section_strategy.
12550         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
12551         r_sym parameter.
12552
12553         * configure.ac: Update test for TLS descriptors: they are
12554         supported as of glibc 2.9.
12555         * configure: Rebuild.
12556
12557 2008-12-11  Ian Lance Taylor  <iant@google.com>
12558
12559         PR 7091
12560         * target-reloc.h (Default_scan_relocatable_relocs): For each
12561         function, map r_type == 0 to RELOC_DISCARD.
12562
12563 2008-12-10  Cary Coutant  <ccoutant@google.com>
12564
12565         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
12566         object to override a kept COMDAT group from a plugin object.
12567
12568 2008-12-09  Ian Lance Taylor  <iant@google.com>
12569
12570         PR 7088
12571         * yyscript.y (file_cmd): Handle INPUT.
12572
12573         * testsuite/initpri1.c: Change all declarations to be full
12574         prototypes by adding void, to avoid compiler warnings.
12575
12576 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
12577
12578         * options.cc (General_options::parse_plugin_opt): New.
12579         (General_options::add_plugin): The argument now is just the filename.
12580         (General_options::add_plugin_option): New.
12581         * options.h (plugin_opt): New.
12582         (add_plugin): Change argument name.
12583         (add_plugin_option): New.
12584         * plugin.cc (Plugin::load): Don't parse the plugin option.
12585         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
12586         (Plugin::add_option): New.
12587         (Plugin::args_): Change type.
12588         (Plugin::filename_): New.
12589         (Plugin_manager::add_plugin_option): New.
12590         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
12591         * testsuite/Makefile.in: Regenerate.
12592
12593 2008-12-05  Cary Coutant  <ccoutant@google.com>
12594
12595         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
12596         Handle --strip-lto-sections option.
12597         * options.h (strip_lto_sections): New option.
12598
12599 2008-12-01  Cary Coutant  <ccoutant@google.com>
12600
12601         * plugin.cc (ld_plugin_message): Change format parameter to const.
12602         Fix mismatch between new[] and delete.
12603
12604 2008-11-14  Cary Coutant  <ccoutant@google.com>
12605
12606         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
12607         instead of -1U.
12608
12609 2008-11-05  Craig Silverstein  <csilvers@google.com>
12610
12611         * options.cc (General_options::parse_dynamic_list): New function.
12612         * options.h (General_options): New flags dynamic_list,
12613         dynamic_list_data, dynamic_list_cpp_new, and
12614         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
12615         (General_options::in_dynamic_list): New function.
12616         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
12617         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
12618         (Lex::can_continue_name): Likewise.
12619         (yylex): Likewise.
12620         (read_script_file): New parameter script_options.
12621         (read_dynamic_list): New function.
12622         (Script_options::define_dynamic_list): New function.
12623         (dynamic_list_keyword_parsecodes): New variable.
12624         (dynamic_list_keywords): New variable.
12625         * script.h (Script_options::define_dynamic_list): New function
12626         prototype.
12627         (read_dynamic_list): New function prototype.
12628         * symtab.cc (strprefix): New macro.
12629         (Symbol::should_add_dynsym_entry): Support dynamic_list,
12630         dynamic_list_data, dynamic_list_cpp_new, and
12631         dynamic_list_cpp_typeinfo.
12632         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
12633         (dynamic_list_expr): New rule.
12634         (dynamic_list_nodes): Likewise.
12635         (dynamic_list_node): Likewise.
12636         * testsuite/Makefile.am (dynamic_list): New test.
12637         * testsuite/Makefile.in: Regenerated.
12638         * testsuite/dynamic_list.t: New file.
12639         * testsuite/dynamic_list.sh: New file.
12640
12641 2008-11-05  Craig Silverstein  <csilvers@google.com>
12642
12643         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
12644         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
12645         (t11_last): Likewise.
12646         * testsuite/ver_test_6.c (main): Likewise.
12647
12648 2008-10-07  Cary Coutant  <ccoutant@google.com>
12649
12650         * options.c (General_options::finalize): Add check for -static and
12651         -shared.
12652         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
12653         is not empty.
12654
12655 2008-10-02  Cary Coutant  <ccoutant@google.com>
12656
12657         * plugin.cc (make_sized_plugin_object): Fix conditional
12658         compilation to work when not all targets are enabled.
12659
12660 2008-09-29  Cary Coutant  <ccoutant@google.com>
12661
12662         * archive.cc (Archive::get_file_and_offset): Use filename instead
12663         of name to get library path.
12664         (Archive::include_member): Unlock external member of a thin archive.
12665
12666         * testsuite/Makefile.am (TEST_AR): New variable.
12667         (thin_archive_test_1): New test.
12668         (thin_archive_test_2): New test.
12669         * testsuite/Makefile.in: Regenerate.
12670         * testsuite/thin_archive_main.cc: New file.
12671         * testsuite/thin_archive_test_1.cc: New file.
12672         * testsuite/thin_archive_test_2.cc: New file.
12673         * testsuite/thin_archive_test_3.cc: New file.
12674         * testsuite/thin_archive_test_4.cc: New file.
12675
12676 2008-09-29  Cary Coutant  <ccoutant@google.com>
12677
12678         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
12679         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
12680         instead of -1U.
12681         (Sized_relobj::do_finalize_local_symbols): Likewise.
12682         (Sized_relobj::map_to_kept_section): Likewise.
12683         * object.h (Sized_relobj::invalid_address): New constant.
12684         (Sized_relobj::do_output_section_offset): Check for invalid_address
12685         and return -1ULL.
12686         * output.cc (Output_reloc::local_section_offset): Use constant
12687         invalid_address instead of -1U.
12688         (Output_reloc::get_address): Likewise.
12689         (Output_section::output_address): Change -1U to -1ULL.
12690         * output.h (Output_reloc::invalid_address): New constant.
12691         * reloc.cc (Sized_relobj::write_sections): Use constant
12692         invalid_address instead of -1U.
12693         (Sized_relobj::relocate_sections): Likewise.
12694         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
12695         values for merge sections.
12696         * target-reloc.h (relocate_for_relocatable): Use constant
12697         invalid_address instead of -1U.
12698
12699 2008-09-19  Cary Coutant  <ccoutant@google.com>
12700
12701         Add plugin functionality for link-time optimization (LTO).
12702         * configure.ac (plugins): Add --enable-plugins option.
12703         * configure: Regenerate.
12704         * config.in: Regenerate.
12705         * Makefile.am (LIBDL): New variable.
12706         (CCFILES): Add plugin.cc.
12707         (HFILES): Add plugin.h.
12708         (ldadd_var): Add LIBDL.
12709         * Makefile.in: Regenerate.
12710
12711         * archive.cc: Include "plugin.h".
12712         (Archive::setup): Don't preread archive symbols when using a plugin.
12713         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
12714         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
12715         files.
12716         (Archive::include_member): Add symbols from plugin objects.
12717         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
12718         * descriptors.cc (Descriptors::open): Check for file descriptors
12719         abandoned by plugins.
12720         (Descriptors::claim_for_plugin): New function.
12721         * descriptors.h (Descriptors::claim_for_plugin): New function.
12722         (Open_descriptor::is_claimed): New field.
12723         (claim_descriptor_for_plugin): New function.
12724         * fileread.cc (File_read::claim_for_plugin): New function.
12725         * fileread.h (File_read::claim_for_plugin): New function.
12726         (File_read::descriptor): New function.
12727         * gold.cc: Include "plugin.h".
12728         (queue_initial_tasks): Add task to call plugin hooks for generating
12729         new object files.
12730         * main.cc: Include "plugin.h".
12731         (main): Load plugin libraries.
12732         * object.h (Pluginobj): Declare.
12733         (Object::pluginobj): New function.
12734         (Object::do_pluginobj): New function.
12735         (Object::set_target): New function.
12736         * options.cc: Include "plugin.h".
12737         (General_options::parse_plugin): New function.
12738         (General_options::General_options): Initialize plugins_ field.
12739         (General_options::add_plugin): New function.
12740         * options.h (Plugin_manager): Declare.
12741         (General_options): Add --plugin option.
12742         (General_options::has_plugins): New function.
12743         (General_options::plugins): New function.
12744         (General_options::add_plugin): New function.
12745         (General_options::plugins_): New field.
12746         * plugin.cc: New file.
12747         * plugin.h: New file.
12748         * readsyms.cc: Include "plugin.h".
12749         (Read_symbols::do_read_symbols): Check for archive before checking
12750         for ELF file.  Call plugin hooks to claim files.
12751         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
12752         from a real object file; force override when processing replacement
12753         files.
12754         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
12755         (Symbol::init_base_object): Likewise.
12756         (Symbol::init_base_output_data): Likewise.
12757         (Symbol::init_base_output_segment): Likewise.
12758         (Symbol::init_base_constant): Likewise.
12759         (Symbol::init_base_undefined): Likewise.
12760         (Symbol::output_section): Assert that object is not a plugin.
12761         (Symbol_table::add_from_pluginobj): New function.
12762         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
12763         undefined.
12764         (Symbol_table::sized_write_globals): Likewise.
12765         (Symbol_table::add_from_pluginobj): Instantiate template.
12766         * symtab.h (Sized_pluginobj): Declare.
12767         (Symbol::in_real_elf): New function.
12768         (Symbol::set_in_real_elf): New function.
12769         (Symbol::in_real_elf_): New field.
12770         (Symbol_table::add_from_pluginobj): New function.
12771
12772         * testsuite/Makefile.am (AM_CFLAGS): New variable.
12773         (LIBDL): New variable.
12774         (LDADD): Add LIBDL.
12775         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
12776         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
12777         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
12778         (MOSTLYCLEANFILES): Likewise.
12779         * testsuite/Makefile.in: Regenerate.
12780         * testsuite/plugin_test.c: New file.
12781         * testsuite/plugin_test_1.sh: New file.
12782         * testsuite/plugin_test_2.sh: New file.
12783
12784 2008-09-16  Ian Lance Taylor  <iant@google.com>
12785
12786         * target-reloc.h (relocate_section): Check whether a symbol is
12787         defined by the ABI before reporting an undefined symbol error.
12788         * target.h (Target::is_defined_by_abi): Make parameter const.
12789         (Target::do_is_defined_by_abi): Likewise.
12790         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
12791         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
12792         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
12793         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
12794         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
12795         * testsuite/Makefile.in: Rebuild.
12796
12797         * fileread.cc (make_view): Add casts to avoid warning.
12798
12799 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12800
12801         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12802         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12803
12804 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12805
12806         * options.h (General_options::output_is_executable): New.
12807         (General_options::output_is_pie): New.
12808         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12809         for shared libraries.
12810         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12811
12812 2008-09-11  Chris Demetriou  <cgd@google.com>
12813
12814         * options.h (origin): New -z option.
12815         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12816         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12817         in DT_FLAGS_1.
12818
12819 2008-09-05  Cary Coutant  <ccoutant@google.com>
12820
12821         * fileread.cc (File_read::make_view): Add check for attempt to map
12822         beyond end of file.
12823
12824 2008-09-05  Cary Coutant  <ccoutant@google.com>
12825
12826         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12827         explicit instantiations.
12828
12829 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12830
12831         PR gold/6858
12832         * options.cc (General_options::finalize): Allow undefined symbols
12833         in shlibs if linking -shared.
12834
12835         PR gold/6859
12836         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12837         symbols as not needing a dynsym entry.
12838
12839 2008-08-20  Craig Silverstein  <csilvers@google.com>
12840
12841         * fileread.cc (File_read::open): Do not lock the file unless it
12842         was successfully opened.
12843
12844 2008-08-14  Cary Coutant  <ccoutant@google.com>
12845
12846         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12847         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12848         * testsuite/tls_test.cc (struct int128): 128-bit struct
12849         for testing TLS relocs with non-zero addend.
12850         (v12): New TLS variable.
12851         (t12): New test.
12852         (t_last): Add check for v12.
12853         * testsuite/tls_test.h (t12): New function.
12854         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12855
12856 2008-08-13  Ian Lance Taylor  <iant@google.com>
12857
12858         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12859         set tls_segment_ or relro_segment_.
12860         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12861         when appropriate.
12862         * output.h (Output_section::clear_is_relro): New function.
12863         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12864         sections specially even when output_data_ is empty.
12865         (Output_segment::maximum_alignment): When first section is relro,
12866         only force alignment for PT_LOAD segments.
12867         * script.cc (script_data_segment_align): New function.
12868         (script_data_segment_relro_end): New function.
12869         * script-c.h (script_data_segment_align): Declare.
12870         (script_data_segment_relro_end): Declare.
12871         * script-sections.h (class Script_sections): Declare
12872         data_segment_align and data_segment_relro_end.  Add fields
12873         segment_align_index_ and saw_relro_end_.
12874         * script-sections.cc (class Sections_element): Add set_is_relro
12875         virtual function.  Add new bool* parameter to place_orphan_here.
12876         Add get_output_section virtual function.
12877         (class Output_section_definition): Add set_is_relro.  Add new
12878         bool* parameter to place_orphan_here.  Add get_output_section.
12879         Add is_relro_ field.
12880         (Output_section_definition::Output_section_definition): Initialize
12881         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12882         and is_relro_ fields.
12883         (Output_section_definition::place_orphan_here): Add is_relro
12884         parameter.
12885         (Output_section_definition::set_section_addresses): Set relro for
12886         output section.
12887         (Output_section_definition::alternate_constraint): Likewise.
12888         (class Orphan_output_section): Add new bool* parameter to
12889         place_orphan_here.  Add get_output_section.
12890         (Orphan_output_section::place_orphan_here): Add is_relro
12891         parameter.
12892         (Script_sections::Script_sections): Initialize
12893         data_segment_align_index_ and saw_relro_end_.
12894         (Script_sections::data_segment_align): New function.
12895         (Script_sections::data_segment_relro_end): New function.
12896         (Script_sections::place_orphan): Set or clear is_relro.
12897         (Script_sections::set_section_addresses): Force alignment of first
12898         TLS section.
12899         * yyscript.y (exp): Call script_data_segment_align and
12900         script_data_segment_relro_end.
12901         * testsuite/relro_script_test.t: New file.
12902         * testsuite/relro_test.cc (using_script): Declare.
12903         (t1, t2): Test using_script.
12904         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12905         (relro_script_test_SOURCES): Define.
12906         (relro_script_test_DEPENDENCIES): Define.
12907         (relro_script_test_LDFLAGS): Define.
12908         (relro_script_test_LDADD): Define.
12909         (relro_script_test.so): New target.
12910         * testsuite/Makefile.in: Rebuild.
12911
12912 2008-08-06  Cary Coutant <ccoutant@google.com>
12913
12914         * archive.cc (Archive::total_archives, Archive::total_members)
12915         (Archive::total_members_loaded): New variables.
12916         (Archive::setup): Add parameter.  Add option to preread
12917         archive symbols.
12918         (Archive::read_armap): Add counter.
12919         (Archive::get_file_and_offset): New function.
12920         (Archive::get_elf_object_for_member): New function.
12921         (Archive::read_all_symbols): New function.
12922         (Archive::read_symbols): New function.
12923         (Archive::add_symbols): Add counters.
12924         (Archive::include_all_members): Use armap to find members if it's
12925         already built.
12926         (Archive::include_member): Skip reading symbols if already read.
12927         Factored code into Archive::get_file_and_offset and
12928         Archive::get_elf_object_for_member.  Changed call to
12929         Mapfile::report_include_archive_member.
12930         (Archive::print_stats): New function.
12931         * archive.h: Declare Object and Read_symbols_data classes.
12932         (Archive::Archive): Add initializers for new members.
12933         (Archive::setup): Add parameter.
12934         (Archive::print_stats): New function.
12935         (Archive::total_archives, Archive::total_members)
12936         (Archive::total_members_loaded): New variables.
12937         (Archive::get_file_and_offset): New function.
12938         (Archive::get_elf_object_for_member): New function.
12939         (Archive::read_all_symbols): New function.
12940         (Archive::read_symbols): New function.
12941         (Archive::Archive_member): New class.
12942         (Archive::members_): New member.
12943         (Archive::num_members_): New member.
12944         * main.cc: Include archive.h.
12945         (main): Call Archive::print_stats.
12946         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12947         archive parameter; member_name is now the fully-decorated name.
12948         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12949         * options.h: (General_options): Add --preread-archive-symbols option.
12950         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12951         Archive::setup.
12952
12953 2008-08-04  Ian Lance Taylor  <iant@google.com>
12954
12955         * symtab.h (Symbol::use_plt_offset): New function.
12956         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12957         * powerpc.cc (Relocate::relocate): Likewise.
12958         * sparc.cc (Relocate::relocate): Likewise.
12959         * x86_64.cc (Relocate::relocate): Likewise.
12960         * testsuite/weak_plt.sh: New test.
12961         * testsuite/weak_plt_main.cc: New test.
12962         * testsuite/weak_plt_shared.cc: New test.
12963         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12964         (check_PROGRAMS): Add weak_plt.
12965         (check_DATA): Add weak_plt_shared.so.
12966         (weak_plt_main_pic.o, weak_plt): New targets.
12967         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12968         * testsuite/Makefile.in: Rebuild.
12969
12970         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12971         gcctestdir/ld.
12972         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12973         * testsuite/Makefile.in: Rebuild.
12974
12975 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12976
12977         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12978         * Makefile.in: Regenerate.
12979         * po/POTFILES.in: Regenerate.
12980
12981 2008-07-29  Ian Lance Taylor  <iant@google.com>
12982
12983         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12984         symbols before other symbols.
12985         * testsuite/script_test_2.cc (test_addr): Declare.
12986         (test_addr_alias): Declare.
12987         (main): Check that test_addr and test_addr_alias have the right
12988         values.
12989         * testsuite/script_test_2.t: Define test_addr_alias and
12990         test_addr.
12991
12992 2008-07-24  Ian Lance Taylor  <iant@google.com>
12993
12994         PR 5990
12995         * descriptors.cc: New file.
12996         * descriptors.h: New file.
12997         * gold-threads.h (class Hold_optional_lock): New class.
12998         * fileread.cc: Include "descriptors.h".
12999         (File_read::~File_read): Release descriptor rather than closing
13000         it.
13001         (File_read::open) [file]: Call open_descriptor rather than open.
13002         Set is_descriptor_opened_.
13003         (File_read::open) [memory]: Assert that descriptor is not open.
13004         (File_read::reopen_descriptor): New function.
13005         (File_read::release): Release descriptor.
13006         (File_read::do_read): Make non-const.  Reopen descriptor.
13007         (File_read::read): Make non-const.
13008         (File_read::make_view): Reopen descriptor.
13009         (File_read::do_readv): Likewise.
13010         * fileread.h (class File_read): Add is_descriptor_opened_ field.
13011         Update declarations.
13012         * layout.cc: Include "descriptors.h".
13013         (Layout::create_build_id): Use open_descriptor rather than open.
13014         * output.cc: Include "descriptors.h".
13015         (Output_file::open): Use open_descriptor rather than open.
13016         * archive.cc (Archive::const_iterator): Change Archive to be
13017         non-const.
13018         (Archive::begin, Archive::end): Make non-const.
13019         (Archive::count_members): Likewise.
13020         * archive.h (class Archive): Update declarations.
13021         * object.h (Object::read): Make non-const.
13022         * Makefile.am (CCFILES): Add descriptors.cc.
13023         (HFILES): Add descriptors.h.
13024         * Makefile.in: Rebuild.
13025
13026         PR 6716
13027         * gold.h: Always include <clocale>.  Add Solaris workarounds
13028         following code in binutils/sysdep.h.
13029
13030         PR 6048
13031         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
13032         this->eh_frame_hdr_ is NULL before using it.
13033
13034         * dynobj.cc (Versions::Versions): Update comment.
13035
13036         * dynobj.cc (Versions::Versions): If there is an soname, use it as
13037         the base version name.
13038
13039         * stringpool.cc (Stringpool_template::add_with_length): Set key to
13040         array size plus one.
13041         (Stringpool_template::set_string_offsets): Subtract one from key
13042         before using it as an array index.
13043         (Stringpool_template::get_offset_with_length): Likewise.
13044         (Stringpool_template::write_to_buffer): Likewise.
13045         * stringpool.h (Stringpool_template::get_offset_from_key):
13046         Likewise.
13047
13048 2008-07-23  Ian Lance Taylor  <iant@google.com>
13049
13050         PR 6658
13051         * object.h (Merged_symbol_value::value): Do our best to handle a
13052         negative addend.
13053
13054         PR 6647
13055         * script.cc (Version_script_info::get_versions): Don't add empty
13056         version tag to return value.
13057         (Version_script_info::get_symbol_version_helper): Change return
13058         type to bool.  Add pversion parameter.  Change all callers.
13059         (script_register_vers_node): Don't require a non-NULL tag.
13060         * script.h (class Version_script_info): Update declarations.
13061         (Version_script_info::get_symbol_version): Change return type to
13062         bool.  Add version parameter.  Change all callers.
13063         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
13064         handling.  Handle an empty version from a version script.
13065         (Symbol_table::define_special_symbol): Likewise.
13066         * testsuite/ver_test_10.script: New file.
13067         * testsuite/ver_test_10.sh: New file.
13068         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
13069         (check_DATA): Add ver_test_10.syms.
13070         (ver_test_10.syms, ver_test_10.so): New target.
13071         * testsuite/Makefile.in: Rebuild.
13072
13073 2008-07-23  Simon Baldwin  <simonb@google.com>
13074
13075         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
13076         to zero for undefined symbols from dynamic libraries.
13077
13078 2008-07-23  Ian Lance Taylor  <iant@google.com>
13079
13080         * symtab.cc (Symbol_table::resolve): Remove version parameter.
13081         Change all callers.
13082         * symtab.h (class Symbol_table): Update declaration.
13083         * testsuite/ver_test_9.cc: New file.
13084         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
13085         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
13086         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
13087         (ver_test_9.so, ver_test_9.o): New targets.
13088         * testsuite/Makefile.in: Rebuild.
13089
13090 2008-07-22  Ian Lance Taylor  <iant@google.com>
13091
13092         * options.h (class General_options): Define --check-sections.
13093         * layout.cc (Layout::set_segment_offsets): Handle
13094         --check-sections.
13095
13096         * options.h (class General_options): Define -n/--nmagic and
13097         -N/--omagic.
13098         * options.cc (General_options::finalize): For -n/--nmagic or
13099         -N/--omagic, set -static.
13100         * layout.cc (Layout::attach_allocated_section_to_segment): If
13101         -N/--omagic, don't put read-only and read-write sections in
13102         different segments.
13103         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
13104         finding a read-only segment.
13105         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
13106         don't set the minimum segment alignment to the common page size,
13107         and don't set the file offset to the address modulo the page size.
13108         * script-sections.cc (Script_sections::create_segments): If
13109         -n/--omagic, don't put read-only and read-write sections in
13110         different segments.
13111
13112         * cref.cc: New file.
13113         * cref.h: New file.
13114         * options.h (class General_options): Add --print-symbol-counts.
13115         * main.cc (main): Issue defined symbol report if requested.
13116         * archive.cc (Archive::interpret_header): Make into a const member
13117         function.
13118         (Archive::add_symbols): Call Input_objects::archive_start and
13119         archive_stop.
13120         (Archive::const_iterator): Define new class.
13121         (Archive::begin, Archive::end): New functions.
13122         (Archive::include_all_members): Rewrite to use iterator.
13123         (Archive::count_members): New function.
13124         * archive.h (class Archive): Update declarations.
13125         (Archive::filename): New function.
13126         * object.cc: Include "cref.h".
13127         (Sized_relobj::Sized_relobj): Initialize defined_count_.
13128         (Sized_relobj::do_get_global_symbol_counts): New function.
13129         (Input_objects::add_object): Add object to cross-referencer.
13130         (Input_objects::archive_start): New function.
13131         (Input_objects::archive_stop): New function.
13132         (Input_objects::print_symbol_counts): New function.
13133         * object.h: Declare Cref and Archive.
13134         (Object::get_global_symbol_counts): New function.
13135         (Object::do_get_global_symbol_counts): New pure virtual function.
13136         (class Sized_relobj): Add defined_count_ field.  Update
13137         declarations.
13138         (class Input_objects): Add cref_ field.  Update constructor.
13139         Update declarations.
13140         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
13141         defined_count_.
13142         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
13143         symbol counts.
13144         (Sized_dynobj::do_get_global_symbol_counts): New function.
13145         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
13146         defined_count_.  Update declarations.  Define Symbols typedef.
13147         * symtab.cc (Symbol_table::add_from_relobj): Add defined
13148         parameter.  Change all callers.
13149         (Symbol_table::add_from_dynobj): Add sympointers and defined
13150         parameters.  Change all callers.
13151         * symtab.h (class Symbol_table): Update declarations.
13152         * Makefile.am (CCFILES): Add cref.cc.
13153         (HFILES): Add cref.h.
13154         * Makefile.in: Rebuild.
13155
13156 2008-07-22  Simon Baldwin  <simonb@google.com>
13157
13158         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
13159         to zero when writing undefined symbols.
13160
13161 2008-07-22  Ian Lance Taylor  <iant@google.com>
13162
13163         * output.cc (Output_section::add_input_section): Don't try to
13164         merge empty merge sections.
13165
13166 2008-07-21  Craig Silverstein  <csilvers@google.com>
13167
13168         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
13169         Include symbol version in error message.
13170
13171 2008-07-20  Chris Demetriou  <cgd@google.com>
13172
13173         * configure.ac (gold_cv_c_random_seed): New configured variable.
13174         (RANDOM_SEED_CFLAGS): New substituted variable.
13175         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
13176         * configure: Rebuild.
13177         * Makefile.in: Likewise.
13178         * testsuite/Makefile.in: Likewise.
13179
13180 2008-07-18  Ian Lance Taylor  <iant@google.com>
13181
13182         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
13183         where we see NAME/NULL and NAME/VERSION  as separate symbols.
13184         * testsuite/ver_test_main.cc (main): Call t4.
13185         (t4, t4_2a): Define.
13186         * testsuite/ver_test_2.cc (t4_2): Define.
13187         * testsuite/ver_test_2.script: Put t4_2a in VER2.
13188         * testsuite/ver_test_4.cc (t4_2a): Define.
13189         * testsuite/ver_test_4.script: Put t4_2a in VER2.
13190         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
13191
13192 2008-07-17  Ian Lance Taylor  <iant@google.com>
13193
13194         * dynobj.cc (Versions::add_def): If we give an error about a
13195         missing version, go ahead and create the version anyhow.
13196
13197 2008-07-10  Ian Lance Taylor  <iant@google.com>
13198
13199         Handle output sections with more than 0x7fffffff bytes.
13200         * object.h (class Relobj): Change map_to_output_ to
13201         output_sections_, and just keep a section pointer.  Change all
13202         uses.  Move comdat group support to Sized_relobj.
13203         (Relobj::is_section_specially_mapped): Remove.
13204         (Relobj::output_section): Remove poff parameter.  Change all
13205         callers.
13206         (Relobj::output_section_offset): New function.
13207         (Relobj::set_section_offset): Rewrite.
13208         (Relobj::map_to_output): Remove.
13209         (Relobj::output_sections): New function.
13210         (Relobj::do_output_section_offset): New pure virtual function.
13211         (Relobj::do_set_section_offset): Likewise.
13212         (class Sized_relobj): Add section_offsets_ field.  Add comdat
13213         group support from Relobj.  Update declarations.
13214         (Sized_relobj::get_output_section_offset): New function.
13215         (Sized_relobj::do_output_section_offset): New function.
13216         (Sized_relobj::do_set_section_offset): New function.
13217         * object.cc (Relobj::output_section_address): Remove.
13218         (Sized_relobj::Sized_relobj): Initialize new fields.
13219         (Sized_relobj::include_section_group): Cast find_kept_object to
13220         Sized_relobj.
13221         (Sized_relobj::include_linkonce_section): Likewise.
13222         (Sized_relobj::do_layout): Use separate arrays for output section
13223         and output offset.
13224         (Sized_relobj::do_count_local_symbols): Change map_to_output to
13225         output_sections.
13226         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
13227         output_sections and section_offsets.
13228         (Sized_relobj::write_local_symbols): Likewise.
13229         (map_to_kept_section): Compute output address directly.
13230         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
13231         output_sections and section_offsets.
13232         (Sized_relobj::write_sections): Likewise.
13233         (Sized_relobj::relocate_sections): Likewise.
13234         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
13235         * output.h (class Output_reloc): Update declarations.  Change
13236         u2_.relobj to Sized_relobj*.
13237         (class Output_data_reloc): Change add functions to use
13238         Sized_relobj*.
13239         * output.cc (Output_reloc::Output_reloc): Change relobj to
13240         Sized_relobj*.
13241         (Output_reloc::local_section_offset): Change return type to
13242         Elf_Addr.  Use get_output_section_offset.
13243         (Output_reloc::get_address): Likewise.
13244         (Output_section::is_input_address_mapped): Don't call
13245         is_section_specially_mapped.
13246         (Output_section::output_offset): Likewise.
13247         (Output_section::output_address): Likewise.
13248         (Output_section::starting_output_address): Likewise.
13249         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
13250         parameter to Sized_relobj*.
13251         (Copy_relocs::need_copy_reloc): Likewise.
13252         (Copy_relocs::save): Likewise.
13253         * copy-relocs.h (class Copy_relocs): Update declarations.
13254         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
13255         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
13256         * target-reloc.h (relocate_for_relocatable): Change
13257         offset_in_output_section type to Elf_Addr.  Change code that uses
13258         it as well.
13259         * layout.cc (Layout::layout): Always set *off.
13260         * mapfile.cc (Mapfile::print_input_section): Use
13261         output_section_offset.
13262         * i386.cc (Target_i386::copy_reloc): Change object parameter to
13263         Sized_relobj*.
13264         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
13265         * sparc.cc (Target_sparc::copy_reloc): Likewise.
13266         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
13267
13268 2008-07-03  Ian Lance Taylor  <iant@google.com>
13269
13270         * layout.cc (Layout::include_section): Do not discard unrecognized
13271         SHT_STRTAB sections.
13272
13273 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
13274
13275         * script.cc (Lex::can_continue_name): Make '?' allowable in
13276         version-script names.
13277         * testsuite/version_script.map: Change glob pattern to use '?'
13278
13279 2008-06-30  Manish Singh  <yosh@gimp.org>
13280
13281         PR 6585
13282         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
13283         Correct typo.
13284
13285 2008-06-30  Ian Lance Taylor  <iant@google.com>
13286
13287         PR 6660
13288         PR 6682
13289         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
13290         versions]: Don't try to read the value in the contents, since we
13291         don't use it.  Use the template endianness when writing.
13292
13293 2008-06-25  Cary Coutant  <ccoutant@google.com>
13294
13295         * fileread.cc (File_read::make_view): Assert on zero-length view.
13296         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
13297         symbol table when there are no symbols to read.
13298
13299 2008-06-23  Craig Silverstein  <csilvers@google.com>
13300
13301         * version.cc (version_string): Bump to 1.7
13302
13303 2008-06-18  Craig Silverstein  <csilvers@google.com>
13304
13305         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
13306         constant 0xFFFF to type Valtype.
13307         (Powerpc_relocate_functions::rel16_ha): Likewise.
13308
13309 2008-06-17  Ian Lance Taylor  <iant@google.com>
13310
13311         * output.h (Output_section::Input_section): Initialize p2align_ to
13312         zero for Output_section_data constructors.
13313         (Output_section::Input_section::addralign): If not an input
13314         section, return the alignment of the Output_section_data.
13315         * testsuite/copy_test.cc: New file.
13316         * testsuite/copy_test_1.cc: New file.
13317         * testsuite/copy_test_2.cc: New file.
13318         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
13319         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
13320         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
13321         (copy_test_1_pic.o, copy_test_1.so): New targets.
13322         (copy_test_2_pic.o, copy_test_2.so): New targets.
13323         * testsuite/Makefile.in: Rebuild.
13324
13325         * script-sections.cc (Script_sections::place_orphan): Initialize
13326         local variable exact.
13327
13328 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
13329
13330         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
13331
13332 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
13333             David S. Miller  <davem@davemloft.net>
13334
13335         * powerpc.cc: New file.
13336         * Makefile.am (TARGETSOURCES): Add powerpc.cc
13337         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
13338         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
13339         * Makefile.in: Rebuild.
13340
13341 2008-06-09  Ian Lance Taylor  <iant@google.com>
13342
13343         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
13344         <exception>.
13345         (throwing, orig_terminate): New static variables.
13346         (terminate_handler): New static function.
13347         (t2): Set terminate handler.
13348
13349 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
13350
13351         PR 6584
13352         * binary.cc (Binary_to_elf::sized_convert): Fix .data
13353         alignment.
13354
13355 2008-05-30  Cary Coutant  <ccoutant@google.com>
13356
13357         * archive.cc (Archive::include_all_members) Correct to step
13358         over symbol table and extended name table in thin archives.
13359
13360 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
13361
13362         PR 6407
13363         * target-reloc.h (relocate_for_relocatable): Fix new_offset
13364         calculation.
13365
13366 2008-05-28  Caleb Howe  <cshowe@google.com>
13367
13368         * reduced_debug_output.cc: New file.
13369         * reduced_debug_output.h: New file.
13370         * options.h (class General_options): Add --strip-debug-non-line.
13371         * options.cc (General_options::finalize): Add strip_debug_non_line
13372         to the strip heirarchy.
13373         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
13374         fields.
13375         * layout.cc: Include "reduced_debug_output.h".
13376         (Layout::Layout): Initialize new fields.
13377         (line_only_debug_sections): New static array.
13378         (is_lines_only_debug_sections): New static inline function.
13379         (Layout::include_section): Handle --strip-debug-non-line.
13380         (Layout::make_output_section): If --strip-debug-non-line, build
13381         new output sections for .debug_abbrev and .debug_info.
13382         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
13383         gold.  Warn about possible overflow.
13384         (read_signed_LEB_128): Likewise.
13385         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
13386         (read_signed_LEB_128): Declare.
13387         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
13388         (HFILES): Add reduced_debug_output.h.
13389         * Makefile.in: Rebuild.
13390
13391 2008-05-21  Ian Lance Taylor  <iant@google.com>
13392
13393         * mapfile.cc: New file.
13394         * mapfile.h: New file.
13395         * options.h (class General_options): Add -M/--print-map and -Map.
13396         * options.cc (General_options::finalize): Make -M equivalent to
13397         -Map -.
13398         * main.cc: Include <cstdio> and "mapfile.h".
13399         (main): Open mapfile if requested.
13400         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
13401         constructor.  Change caller.
13402         (queue_initial_tasks): Add mapfile parameter.  Change caller.
13403         (queue_middle_tasks): Likewise.
13404         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
13405         declarations.
13406         * archive.cc: Include "mapfile.h".
13407         (Archive::add_symbols): Add mapfile parameter.  Change all
13408         callers.  Pass mapfile, symbol, and reason to include_member.
13409         (Archive::include_all_members): Add mapfile parameter.  Change all
13410         callers.
13411         (Archive::include_member): Add mapfile, sym, and why parameters.
13412         Change all callers.  Report inclusion to map file.
13413         * archive.h: Include "fileread.h".
13414         (class Archive): Update declarations.
13415         (Archive::file): New const method.
13416         (class Add_archive_symbols): Add mapfile_ field.  Update
13417         constructor.  Change all callers.
13418         * readsyms.h (class Read_symbols): Likewise.
13419         (class Finish_group): Likewise.
13420         (class Read_script): Likewise.
13421         * common.cc: Include "mapfile.h".
13422         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
13423         all callers.
13424         (Symbol_table::do_allocate_commons): Likewise.
13425         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
13426         symbol allocation to mapfile.
13427         * common.h (class Allocate_commons_task): Add mapfile_ field.
13428         Update constructor.  Change all callers.
13429         * symtab.h (class Symbol_table): Update declarations.
13430         * layout.cc: Include "mapfile.h".
13431         (Layout_task_runner::run): Print information to mapfile.
13432         (Layout::create_gold_note): Change Output_data_fixed_space to
13433         Output_data_zero_fill.
13434         (Layout::create_build_id): Likewise.
13435         (Layout::print_to_mapfile): New function.
13436         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
13437         constructor.  Change caller.
13438         (class Layout): Declare print_to_mapfile.
13439         * output.cc (Output_section::Input_section::print_to_mapfile): New
13440         function.
13441         (Output_section::add_input_section): If producing a map, always
13442         add to input_sections_ list.
13443         (Output_section::do_print_to_mapfile): New function.
13444         (Output_segment::print_sections_to_mapfile): New function.
13445         (Output_segment::print_section_list_to_mapfile): New function.
13446         * output.h: Include "mapfile.h".
13447         (Output_data::print_to_mapfile): New function.
13448         (Output_data::do_print_to_mapfile): New virtual function.
13449         (Output_segment_headers::do_print_to_mapfile): New function.
13450         (Output_file_header::do_print_to_mapfile): New function.
13451         (Output_data_const::do_print_to_mapfile): New function.
13452         (class Output_data_const_buffer): Add map_name_ field.  Update
13453         constructor.  Change all callers.  Add do_print_to_mapfile
13454         function.
13455         (class Output_data_fixed_space): Likewise.
13456         (class Output_data_space): Likewise.
13457         (class Output_data_zero_fill): New class.
13458         (Output_data_strtab::do_print_to_mapfile): New function.
13459         (Output_data_reloc_base::do_print_to_mapfile): New function.
13460         (Output_relocatable_relocs::do_print_to_mapfile): New function.
13461         (Output_data_group::do_print_to_mapfile): New function.
13462         (Output_data_got::do_print_to_mapfile): New function.
13463         (Output_data_dynamic::do_print_to_mapfile): New function.
13464         (Output_symtab_xindex::do_print_to_mapfile): New function.
13465         (class Output_section): Declare do_print_to_mapflie.  Declare
13466         print_to_mapfile in Input_section.
13467         (class Output_segment): Declare new functions.
13468         * object.h (Sized_relobj::symbol_count): New function.
13469         * script-sections.cc
13470         (Output_section_element_dot_assignment::set_section_addresses):
13471         Change Output_data_fixed_space to Output_data_zero_fill.
13472         (Output_data_expression::do_print_to_mapfile): New function.
13473         * script.cc (read_input_script): Add mapfile parameter.  Change
13474         all callers.
13475         * script.h (read_input_script): Update declaration.
13476         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
13477         (Eh_frame::do_print_to_mapfile): New function.
13478         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
13479         (Output_merge_string::do_print_to_mapfile): New function.
13480         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
13481         function.
13482         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
13483         function.
13484         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
13485         function.
13486         * Makefile.am (CCFILES): Add mapfile.cc.
13487         (HFILES): Add mapfile.h.
13488         * Makefile.in: Rebuild.
13489
13490 2008-05-19  Ian Lance Taylor  <iant@google.com>
13491
13492         * options.h (class General_options): Add -z relro.
13493         * layout.cc (Layout::Layout): Initialize relro_segment_.
13494         (Layout::add_output_section_data): Return the output section.
13495         (Layout::make_output_section): Rcognize relro sections and mark
13496         them appropriately.
13497         (Layout::attach_allocated_section_to_segment): Put relro sections
13498         in a PT_GNU_RELRO segment.
13499         (Layout::create_initial_dynamic_sections): Mark the .dynamic
13500         section as relro.
13501         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
13502         PT_TLS segments.
13503         (Layout::linkonce_mapping): Map d.rel.ro.local to
13504         .data.rel.ro.local.
13505         (Layout::output_section_name): Us .data.rel.ro.local for any
13506         section which begins with that.
13507         * layout.h (class Layout): Update add_output_section_data
13508         declaration.  Add relro_segment_ field.
13509         * output.cc (Output_section::Output_section): Initialize is_relro_
13510         and is_relro_local_ fields.
13511         (Output_segment::add_output_section): Group relro sections.
13512         (Output_segment::is_first_section_relro): New function.
13513         (Output_segment::maximum_alignment): If there is a relro section,
13514         align the segment to the common page size.
13515         (Output_segment::set_section_addresses): Track whether we are
13516         looking at relro sections.  If the last section is a relro
13517         section, align to the common page size.
13518         (Output_segment::set_section_list_addresses): Add in_relro
13519         parameter.  Change all callers.  Align to the page size when
13520         moving from relro to non-relro section.
13521         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
13522         segment.
13523         * output.h (class Output_section): Add is_relro_ and
13524         is_relro_local_ fields.
13525         (Output_section::is_relro): New function.
13526         (Output_section::set_is_relro): New function.
13527         (Output_section::is_relro_local): New function.
13528         (Output_section::set_is_relro_local): New function.
13529         (class Output_segment): Update declarations.
13530         * i386.cc (Target_i386::got_section): Mark .got section as relro.
13531         * sparc.cc (Target_sparc::got_section): Likewise.
13532         * x86_64.cc (Target_x86_64::got_section): Likewise.
13533         * testsuite/relro_test_main.cc: New file.
13534         * testsuite/relro_test.cc: New file.
13535         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
13536         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
13537         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
13538         (relro_test.so, relro_test_pic.o): New targets.
13539         * testsuite/Makefile.in: Rebuild.
13540
13541 2008-05-16  Ian Lance Taylor  <iant@google.com>
13542
13543         * output.cc (Output_segment::add_output_section): Remove front
13544         parameter.
13545         * output.h (class Output_segment): Remove
13546         add_initial_output_section and overloaded add_output_section.
13547         Update declaration of remaining add_output_section.
13548         * layout.cc (Layout::create_interp): Call add_output_section
13549         rather than add_initial_output_section.
13550         (Layout::finish_dynamic_section): Likewise.
13551
13552         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
13553         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
13554         know the dynamic type.
13555         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
13556         field.  Initialize it in constructor.
13557         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
13558         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
13559         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
13560         reloc.
13561
13562         * output.cc (Output_reloc::get_address): Change return type to
13563         Elf_Addr.
13564         * output.h (class Output_reloc): Update get_address declaration.
13565         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
13566         for section addresses.
13567
13568 2008-05-09  Ian Lance Taylor  <iant@google.com>
13569
13570         PR 6493
13571         * gold.cc (gold_nomem): Use return value of write.
13572
13573 2008-05-08  Ian Lance Taylor  <iant@google.com>
13574
13575         * symtab.c (Symbol::init_base_output_data): Add version
13576         parameter.  Change all callers.
13577         (Symbol::init_base_output_segment): Likewise.
13578         (Symbol::init_base_constant): Likewise.
13579         (Symbol::init_base_undefined): Likewise.
13580         (Sized_symbol::init_output_data): Likewise.
13581         (Sized_symbol::init_output_segment): Likewise.
13582         (Sized_symbol::init_constant): Likewise.
13583         (Sized_symbol::init_undefined): Likewise.
13584         (Symbol_table::do_define_in_output_data): If the new symbol has a
13585         version, mark it as the default.
13586         (Symbol_table::do_define_in_output_segment): Likewise.
13587         (Symbol_table::do_define_as_constant): Likewise.
13588         * symtab.h (class Symbol): Update declarations.
13589         (class Sized_symbol): Likewise.
13590         * resolve.cc (Symbol::override_version): New function.
13591         (Symbol::override_base): Call override_version.
13592         (Symbol::override_base_with_special): Likewise.
13593         * testsuite/ver_script_8.script: New file.
13594         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
13595         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
13596         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
13597         (ver_test_8_1.so, ver_test_8_2.so): New targets.
13598
13599 2008-05-06  Ian Lance Taylor  <iant@google.com>
13600
13601         PR 6049
13602         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
13603         functions.
13604         (class General_options): Remove existing --undefined, and add
13605         --no-undefined instead.  Add new --undefined as synonym for -u.
13606         * archive.cc (Archive::add_symbols): Check whether symbol was
13607         named with -u.
13608         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
13609         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
13610         all uses.  Add IS_UNDEFINED.  Update declarations to split
13611         different versions of init_base.  Declare init_base_undefined.
13612         (Symbol::is_defined): Handle IS_UNDEFINED.
13613         (Symbol::is_undefined): Likewise.
13614         (Symbol::is_weak_undefined): Call is_undefined.
13615         (Symbol::is_absolute): Handle IS_CONSTANT.
13616         (class Sized_symbol): Update declarations to split different
13617         versions of init.  Declare init_undefined.
13618         (class Symbol_table): Declare new functions.
13619         * symtab.cc (Symbol::init_base_object): Rename from init_base.
13620         Change all callers.
13621         (Symbol::init_base_output_data): Likewise.
13622         (Symbol::init_base_output_segment): Likewise.
13623         (Symbol::init_base_constant): Likewise.
13624         (Symbol::init_base_undefined): New function.
13625         (Sized_symbol::init_object): Rename from init.  Change all
13626         callers.
13627         (Sized_symbol::init_output_data): Likewise.
13628         (Sized_symbol::init_output_segment): Likewise.
13629         (Sized_symbol::init_constant): Likewise.
13630         (Sized_symbol::init_undefined): New function.
13631         (Symbol_table::add_undefined_symbols_from_command_line): New
13632         function.
13633         (Symbol_table::do_add_undefined_symbols_from_command_line): New
13634         function.
13635         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
13636         (Symbol::output_section): Likewise.
13637         (Symbol::set_output_section): Likewise.
13638         (Symbol_table::sized_finalize_symbol): Likewise.
13639         (Symbol_table::sized_write_globals): Likewise.
13640         * resolve.cc (Symbol_table::should_override): Likewise.
13641         (Symbol::override_base_with_special): Likewise.
13642
13643         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
13644         symbol, change it to have default visibility.
13645         * testsuite/protected_1.cc: New file.
13646         * testsuite/protected_2.cc: New file.
13647         * testsuite/protected_3.cc: New file.
13648         * testsuite/protected_main_1.cc: New file.
13649         * testsuite/protected_main_2.cc: New file.
13650         * testsuite/protected_main_3.cc: New file.
13651         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
13652         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
13653         (protected_1_LDFLAGS, protected_1_LDADD): Define.
13654         (protected_1.so): New target.
13655         (protected_1_pic.o, protected_2_pic.o): New targets.
13656         (protected_3_pic.o): New target.
13657         (check_PROGRAMS): Add protected_2.
13658         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
13659         (protected_2_LDFLAGS, protected_2_LDADD): Define.
13660         * testsuite/Makefile.in: Rebuild.
13661
13662         * options.h (DEFINE_var): Add set_user_set_##varname__.
13663         (DEFINE_bool_alias): New macro.
13664         (class General_options): Define -Bstatic using DEFINE_bool_alias
13665         rather than DEFINE_special.  Add --undefined as an alias for -z
13666         defs.
13667         * options.cc (General_options::parse_Bstatic): Remove.
13668
13669         * options.h (class General_options): Add --fatal-warnings.
13670         * main.cc (main): Implement --fatal-warnings.
13671         * errors.h (Errors::warning_count): New function.
13672
13673         * options.h (class General_options): Add -Bsymbolic-functions.
13674         * symtab.h (Symbol::is_preemptible): Check for
13675         -Bsymbolic-functions.
13676
13677 2008-05-05  Ian Lance Taylor  <iant@google.com>
13678
13679         * options.h (DEFINE_bool): For DASH_Z, create the negative option
13680         as noVARNAME rather than no-VARNAME.
13681         (class General_options): Add option -z combreloc.
13682         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
13683         get_address.
13684         (Output_reloc::sort_before) [SHT_REL]: New function.
13685         (Output_reloc::sort_before) [SHT_RELA]: New function.
13686         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
13687         Sort_relocs_comparison.
13688         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
13689         parameter.  Change all callers.
13690         (Output_data_reloc::Output_data_reloc) [both versions]: Add
13691         sort_relocs parameter.  Change all callers.
13692         * output.cc (Output_reloc::get_address): New function, broken out
13693         of write_rel.
13694         (Output_reloc::write_rel): Call it.
13695         (Output_reloc::compare): New function.
13696         (Output_data_reloc_base::do_write): Optionally sort relocs.
13697
13698         * configure.ac: If targ_extra_obj is set, link it in.
13699         * configure.tgt: Initialize all variables.
13700         (x86_64*): Set targ_extra_obj and targ_extra_size.
13701         * configure: Rebuild.
13702
13703         * object.cc (Sized_relobj::include_section_group): Adjust section
13704         indexes read from group data.  Build vector to pass to
13705         layout_group.
13706         * layout.cc (Layout::layout_group): Add flags and shndxes
13707         parameters.  Remove contents parameter.  Change caller.  Update
13708         explicit instantiations.
13709         * layout.h (class Layout): Update layout_group declaration.
13710         * output.cc (Output_data_group::Output_data_group): Add flags and
13711         input_shndxes parameters.  Remove contents parameter.  Change
13712         caller.
13713         (Output_data_group::do_write): Change input_sections_ to
13714         input_shndxes_.
13715         * output.h (class Output_data_group): Update constructor
13716         declaration.  Rename input_sections_ to input_shndxes_.
13717         * testsuite/many_sections_test.cc: Add template.
13718
13719 2008-04-30  Cary Coutant  <ccoutant@google.com>
13720
13721         * target-reloc.h (relocate_section): Fix dead-pointer bug.
13722
13723         * layout.cc (Layout::include_section): Refactored check for debug
13724         info section.
13725         (Layout::add_comdat): Add new parameters.  Change type
13726         of signature parameter.  Add object and shndx to signatures table.
13727         (Layout::find_kept_object): New function.
13728         * layout.h: Include <cstring>.
13729         (Layout::is_debug_info_section): New function.
13730         (Layout::add_comdat): Add new parameters.
13731         (Layout::find_kept_object): New function.
13732         (Layout::Kept_section): New struct.
13733         (Layout::Signatures): Change type of map range.
13734         * object.cc (Relobj::output_section_address): New function.
13735         (Sized_relobj::include_section_group): Add new parameters.  Change
13736         calls to Layout::add_comdat.  Change to build table of kept comdat
13737         groups and table mapping discarded sections to kept sections.
13738         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
13739         (Sized_relobj::do_layout): Change calls to include_section_group and
13740         include_linkonce_section.
13741         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
13742         value to zero when section is discarded.
13743         (Sized_relobj::map_to_kept_section): New function.
13744         * object.h (Relobj::output_section_address): New function.
13745         (Relobj::Comdat_group): New type.
13746         (Relobj::find_comdat_group): New function.
13747         (Relobj::Comdat_group_table): New type.
13748         (Relobj::Kept_comdat_section): New type.
13749         (Relobj::Kept_comdat_section_table): New type.
13750         (Relobj::add_comdat_group): New function.
13751         (Relobj::set_kept_comdat_section): New function.
13752         (Relobj::get_kept_comdat_section): New function.
13753         (Relobj::comdat_groups_): New field.
13754         (Relobj::kept_comdat_sections_): New field.
13755         (Symbol_value::input_value): Update comment.
13756         (Sized_relobj::map_to_kept_section) New function.
13757         (Sized_relobj::include_linkonce_section): Add new parameter.
13758         * target-reloc.h (Comdat_behavior): New type.
13759         (get_comdat_behavior): New function.
13760         (relocate_section): Add code to map a discarded section to the
13761         corresponding kept section when applying a relocation.
13762
13763 2008-04-30  Craig Silverstein  <csilvers@google.com>
13764
13765         * dwarf_reader.cc (next_generation_count): New static var.
13766         (Addr2line_cache_entry): New struct.
13767         (addr2line_cache): New static var.
13768         (Dwarf_line_info::one_addr2line): Added caching.
13769         (Dwarf_line_info::clear_addr2line_cache): New function.
13770         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
13771         cache-size parameter.
13772         (Dwarf_line_info::one_addr2line_cache): New function.
13773         * symtab.cc (Symbol_table::detect_odr_violations): Pass
13774         new cache-size argument to one_addr2line(), and clear cache.
13775
13776 2008-04-28  Cary Coutant  <ccoutant@google.com>
13777
13778         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
13779         R_386_PC8 relocations.
13780
13781 2008-04-23  Ian Lance Taylor  <iant@google.com>
13782
13783         * object.cc (Sized_relobj::include_section_group): Check for
13784         invalid section group.
13785
13786         * object.cc (make_elf_object): Correct test for 64-bit ELF file
13787         header size.
13788
13789         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
13790         than read for file header.
13791         * archive.cc (Archive::include_member): Likewise.
13792
13793 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13794
13795         * aclocal.m4: Regenerate.
13796         * configure: Regenerate.
13797
13798 2008-04-19  Ian Lance Taylor  <iant@google.com>
13799
13800         * version.cc (version_string): Bump to 1.6.
13801
13802         * testsuite/Makefile.am (many_sections_r_test): New target.
13803         (many_sections_r_test_SOURCES): Remove.
13804         (many_sections_r_test_DEPENDENCIES): Remove.
13805         (many_sections_r_test_LDFLAGS): Remove.
13806         (many_sections_r_test_LDADD): Remove.
13807
13808         * object.cc (Sized_relobj::do_add_symbols): Always pass
13809         local_symbol_count_ to add_from_relobj.
13810
13811         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13812         every thousand variables.
13813         * testsuite/Makefile.in: Rebuild.
13814
13815         * object.cc (Xindex::initialize_symtab_xindex): New function.
13816         (Xindex::read_symtab_xindex): New function.
13817         (Xindex::sym_xindex_to_shndx): New function.
13818         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13819         available.
13820         (Sized_relobj::do_initialize_xindex): New function.
13821         (Sized_relobj::do_read_symbols): Adjust section links.
13822         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13823         parameter.  Change all callers.
13824         (Sized_relobj::include_section_group): Adjust section links and
13825         symbol section indexes.
13826         (Sized_relobj::do_layout): Adjust section links.
13827         (Sized_relobj::do_count_local_symbols): Adjust section links and
13828         symbol section indexes.
13829         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13830         ordinary and special symbols.
13831         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13832         dynsym_xindex parameters.  Change all callers.  Adjust section
13833         links.  Use SHN_XINDEX when needed.
13834         (Sized_relobj::get_symbol_location_info): Adjust section links.
13835         Don't get fooled by special symbols.
13836         * object.h (class Xindex): Define.
13837         (class Object): Add xindex_ parameter.  Declare virtual functoin
13838         do_initialize_xindex.
13839         (Object::adjust_sym_shndx): New function.
13840         (Object::set_xindex): New protected function.
13841         (class Symbol_value): Add is_ordinary_shndx_ field.
13842         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13843         (Symbol_value::value): Assert ordinary section.
13844         (Symbol_value::initialize_input_to_output_map): Likewise.
13845         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13846         Change all callers.
13847         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13848         all callers.
13849         (class Sized_relobj): Update declarations.
13850         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13851         parameter.  Change all callers.
13852         (Sized_relobj::adjust_shndx): New function.
13853         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13854         field.
13855         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13856         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13857         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13858         (Sized_dynobj::read_dynsym_section): Adjust section links.
13859         (Sized_dynobj::read_dynamic): Likewise.
13860         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13861         section links.
13862         (Sized_dynobj::do_initialize_xindex): New function.
13863         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13864         do_initialize_xindex.
13865         (Sized_dynobj::adjust_shndx): New function.
13866         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13867         dynsym_xindex_ fields.
13868         (Layout::finalize): Add a call to set_section_indexes before
13869         creating the symtab sections.
13870         (Layout::set_section_indexes): Don't do anything if the section
13871         already has a section index.
13872         (Layout::create_symtab_sections): Add shnum parameter.  Change
13873         caller.  Create .symtab_shndx section if needed.
13874         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13875         caller.
13876         (Layout::allocated_output_section_count): New function.
13877         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13878         needed.
13879         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13880         fields.  Update declarations.
13881         (Layout::symtab_xindex): New function.
13882         (Layout::dynsym_xindex): New function.
13883         (class Write_symbols_task): Add layout_ field.
13884         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13885         Change caller.
13886         * output.cc (Output_section_headers::Output_section_headers): Add
13887         shstrtab_section parameter.  Change all callers.
13888         (Output_section_headers::do_sized_write): Store overflow values
13889         for section count and section string table section index in
13890         section header zero.
13891         (Output_file_header::do_sized_write): Check for overflow of
13892         section count and section string table section index.
13893         (Output_symtab_xindex::do_write): New function.
13894         (Output_symtab_xindex::endian_do_write): New function.
13895         * output.h (class Output_section_headers): Add shstrtab_section_.
13896         Update declarations.
13897         (class Output_symtab_xindex): Define.
13898         (Output_section::has_out_shndx): New function.
13899         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13900         field.
13901         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13902         Change all callers.
13903         (Sized_symbol::init): Likewise.
13904         (Symbol::output_section): Check for ordinary symbol.
13905         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13906         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13907         callers.
13908         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13909         Change all callers.  Simplify handling of symbols from sections
13910         not included in the link.
13911         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13912         distinction.
13913         (Weak_alias_sorter::operator()): Assert that symbols are
13914         ordinary.
13915         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13916         distinction.
13917         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13918         parameters.  Change all callers.
13919         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13920         symbol distinction.  Use SHN_XINDEX when needed.
13921         (Symbol_table::write_section_symbol): Add symtab_xindex
13922         parameter.  Change all callers.
13923         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13924         SHN_XINDEX when needed.
13925         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13926         declarations.
13927         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13928         (Symbol::is_defined): Check is_ordinary.
13929         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13930         (Symbol::is_absolute, Symbol::is_common): Likewise.
13931         (class Sized_symbol): Update declarations.
13932         (class Symbol_table): Update declarations.
13933         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13934         parameters.  Change all callers.
13935         (Sized_symbol::override): Likewise.
13936         (Symbol_table::override): Likewise.
13937         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13938         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13939         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13940         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13941         to be in an ordinary section.
13942         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13943         object and is_ordinary parameters.  Change all callers.
13944         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13945         Change all callers.  Don't add undefined or non-ordinary symbols
13946         to reloc_map_.
13947         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13948         Change all callers.
13949         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13950         declarations.
13951         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13952         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13953         (Sized_relobj::relocate_sections): Likewise.
13954         * target-reloc.h (scan_relocs): Adjust section symbol index.
13955         (scan_relocatable_relocs): Likewise.
13956         * i386.cc (Scan::local): Check for ordinary symbols.
13957         * sparc.cc (Scan::local): Likewise.
13958         * x86_64.cc (Scan::local): Likewise.
13959         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13960         to symbol_section_and_value.
13961         * testsuite/many_sections_test.cc: New file.
13962         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13963         (check_PROGRAMS): Add many_sections_test.
13964         (many_sections_test_SOURCES): Define.
13965         (many_sections_test_DEPENDENCIES): Define.
13966         (many_sections_test_LDFLAGS): Define.
13967         (BUILT_SOURCES): Add many_sections_define.h.
13968         (many_sections_define.h): New target.
13969         (BUILT_SOURCES): Add many_sections_check.h.
13970         (many_sections_check.h): New target.
13971         (check_PROGRAMS): Add many_sections_r_test.
13972         (many_sections_r_test_SOURCES): Define.
13973         (many_sections_r_test_DEPENDENCIES): Define.
13974         (many_sections_r_test_LDFLAGS): Define.
13975         (many_sections_r_test_LDADD): Define.
13976         (many_sections_r_test.o): New target.
13977         * testsuite/Makefile.in: Rebuild.
13978
13979 2008-04-17  Cary Coutant  <ccoutant@google.com>
13980
13981         * errors.cc (Errors::info): New function.
13982         (gold_info): New function.
13983         * errors.h (Errors::info): New function.
13984         * gold.h (gold_info): New function.
13985         * object.cc (Input_objects::add_object): Print trace output.
13986         * options.cc (options::parse_set): New function.
13987         (General_options::parse_wrap): Deleted.
13988         (General_options::General_options): Deleted initializer.
13989         * options.h (options::String_set): New typedef.
13990         (options::parse_set): New function.
13991         (DEFINE_set): New macro.
13992         (General_options::wrap): Changed to use DEFINE_set. Changed
13993         callers of any_wrap_symbols and is_wrap_symbol.
13994         (General_options::trace, General_options::trace_symbol):
13995         New options.
13996         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13997         (General_options::wrap_symbols_): Deleted.
13998         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13999
14000 2008-04-17  David S. Miller  <davem@davemloft.net>
14001
14002         * options.cc (General_options::parse_V): New function.
14003         * options.h: Add entries for -V and -Qy.
14004
14005 2008-04-17  Ian Lance Taylor  <iant@google.com>
14006
14007         * common.cc (Symbol_table::allocate_commons): Remove options
14008         parameter.  Change caller.
14009         (Symbol_table::do_allocate_commons): Remove options parameter.
14010         Change caller.  Just call do_allocate_commons_list twice.
14011         (Symbol_table::do_allocate_commons_list): New function, broken out
14012         of do_allocate_commons.
14013         * common.h (class Allocate_commons_task): Remove options_ field.
14014         Update constructor.
14015         * symtab.cc (Symbol_table::Symbol_table): Initialize
14016         tls_commons_.
14017         (Symbol_table::add_from_object): Put TLS common symbols on
14018         tls_commons_ list.
14019         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
14020         which are IN_OUTPUT_DATA.
14021         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
14022         allocate_commons and do_allocate_commons declarations.  Declare
14023         do_allocate_commons_list.
14024         * gold.cc (queue_middle_tasks): Update creation of
14025         Allocate_commons_task to not pass options.
14026         * testsuite/Makefile.am (INCLUDES): Add -I.. .
14027         (TLS_TEST_C_FLAGS): New variable.
14028         (tls_test_c_pic.o): New target.
14029         (tls_test_shared.so): Link in tls_test_c_pic.o.
14030         (tls_test_c_pic_ie.o): New target.
14031         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
14032         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
14033         (tls_test_c.o): New target.
14034         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
14035         (tls_pic_test_LDADD): Likewise.
14036         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
14037         (tls_shared_gd_to_ie_test_LDADD): Likewise.
14038         (tls_test_c_gnu2.o): New target.
14039         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
14040         tls_test_c_gnu2.o.
14041         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
14042         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
14043         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
14044         * testsuite/tls_test.cc: Include "config.h".
14045         (t_last): Call t11_last.
14046         * testsuite/tls_test.h (t11, t11_last): Declare.
14047         * testsuite/tls_test_c.c: New file.
14048         * testsuite/tls_test_main.cc (thread_routine): Call t11.
14049         * configure.ac: Check for OpenMP support.
14050         * configure, config.in, Makefile.in: Rebuild.
14051         * testsuite/Makefile.in: Rebuild.
14052
14053 2008-04-16  Cary Coutant  <ccoutant@google.com>
14054
14055         * i386.cc (Target_i386::define_tls_base_symbol): New function.
14056         (Target_i386::tls_base_symbol_defined_): New field.
14057         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
14058         (Target_i386::Scan::global): Likewise.
14059         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
14060         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
14061         (Target_x86_64::tls_base_symbol_defined_): New field.
14062         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
14063         (Target_x86_64::Scan::global): Likewise.
14064
14065 2008-04-16  Cary Coutant  <ccoutant@google.com>
14066
14067         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
14068         (Symbol::needs_plt_entry): Allow weak undefined symbols.
14069         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
14070         building shared libraries.
14071         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
14072         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
14073         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
14074         * testsuite/Makefile.in: Rebuild.
14075         * testsuite/weak_undef.h: New file.
14076         * testsuite/weak_undef_file1.cc: Add extra test cases.
14077         * testsuite/weak_undef_file2.cc: Likewise.
14078         * testsuite/weak_undef_test.cc: Likewise.
14079
14080 2008-04-16  David S. Miller  <davem@davemloft.net>
14081
14082         * sparc.cc (Target_sparc::Scan): Change from struct to class.
14083         Add issued_non_pic_error_ field.  Declare check_non_pic.
14084         (Target_sparc::Scan::check_non_pic): New function.
14085         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
14086         (Target_sparc::Scan::global): Likewise.
14087
14088         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
14089         * configure: Rebuild.
14090
14091         * options.h (DEFINE_enable): New macro.
14092         (new_dtags): New enable option.
14093         (initfirst, interpose, loadfltr, nodefaultlib,
14094         nodelete, nodlopen, nodump): New -z options.
14095         * layout.cc (Layout:finish_dynamic_section): If new
14096         dtags enabled, emit DT_RUNPATH.  Also, emit a
14097         DT_FLAGS_1 containing any specified -z flags.
14098
14099 2008-04-16  Ian Lance Taylor  <iant@google.com>
14100
14101         * copy-relocs.cc: New file.
14102         * copy-relocs.h: New file.
14103         * reloc.cc: Remove Copy_relocs code.
14104         * reloc.h: Likewise.
14105         * reloc-types.h (struct Reloc_types) [both versions]: Add
14106         get_reloc_addend_noerror.
14107         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
14108         variants of add_global which take an addend which must be zero.
14109         * i386.cc: Include "copy-relocs.h".
14110         (class Target_i386): Change type of copy_relocs_ to variable,
14111         update initializer.
14112         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
14113         Change all callers.
14114         (Target_i386::do_finalize_sections): Change handling of
14115         copy_relocs_.
14116         * sparc.cc: Include "copy-relocs.h".
14117         (class Target_sparc): Change type of copy_relocs_ to variable,
14118         update initializer.
14119         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
14120         Change all callers.
14121         (Target_sparc::do_finalize_sections): Change handling of
14122         copy_relocs_.
14123         * x86_64.cc: Include "copy-relocs.h".
14124         (class Target_x86_64): Change type of copy_relocs_ to variable,
14125         update initializer.
14126         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
14127         class.  Change all callers.
14128         (Target_x86_64::do_finalize_sections): Change handling of
14129         copy_relocs_.
14130         * Makefile.am (CCFILES): Add copy-relocs.cc.
14131         (HFILES): Add copy-relocs.h.
14132
14133         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
14134
14135         * testsuite/script_test_4.sh: Permit leading zeroes.
14136
14137 2008-04-15  Ian Lance Taylor  <iant@google.com>
14138
14139         * script-sections.cc (Script_sections::create_segments): Use
14140         header_size_adjustment even when there is enough room for the
14141         headers.
14142         * testsuite/script_test_4.sh: New file.
14143         * testsuite/script_test_4.t: New file.
14144         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
14145         (check_DATA): Add script_test_4.stdout.
14146         (MOSTLYCLEANFILES): Likewise.
14147         (script_test_4): New target.
14148         (script_test_4.stdout): New target.
14149         * testsuite/Makefile.in: Rebuild.
14150
14151         * sparc.cc: Add definitions for Output_data_plt_sparc class
14152         constants.
14153
14154 2008-04-14  David S. Miller  <davem@davemloft.net>
14155
14156         * sparc.cc: New file.
14157         * Makefile.am (TARGETSOURCES): Add sparc.cc
14158         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
14159         * configure.tgt: Document targ_extra_size and
14160         targ_extra_big_endian.  Add entries for sparc-* and
14161         sparc64-*.
14162         * configure.ac: Handle targ_extra_size and
14163         targ_extra_big_endian.
14164         * Makefile.in: Rebuild.
14165         * configure: Likewise.
14166         * po/POTFILES.in: Likewise.
14167         * po/gold.pot: Likewise.
14168
14169 2008-04-14  Ian Lance Taylor  <iant@google.com>
14170
14171         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
14172         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
14173         in the name/type/flags to section mapping.  Don't call
14174         allocate_output_section.
14175         (Layout::choose_output_section): Change parameter from adjust_name
14176         to is_input_section.  Don't permit input sections after sections
14177         are attached to segments.  Don't call allocate_output_section.
14178         (Layout::layout_eh_frame): Call update_flags_for_input_section,
14179         not write_enable_output_section.
14180         (Layout::make_output_section): Don't push to
14181         unattached_section_list_ nor call attach_to_segment.  Call
14182         attach_section_to_segment if sections are attached.
14183         (Layout::attach_sections_to_segments): New function.
14184         (Layout::attach_section_to_segment): New function.
14185         (Layout::attach_allocated_section_to_segment): Rename from
14186         attach_to_segment.  Remove flags parameter.
14187         (Layout::allocate_output_section): Remove function.
14188         (Layout::write_enable_output_section): Remove function.
14189         * layout.h (class Layout): Update for above changes.  Add new
14190         field sections_are_attached_.
14191         * output.h (Output_section::update_flags_for_input_section): New
14192         function.
14193         * output.cc (Output_section::add_input_section): Call
14194         update_flags_for_input_section.
14195         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
14196
14197 2008-04-11  Cary Coutant  <ccoutant@google.com>
14198
14199         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
14200         thought unnecessary.
14201         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
14202
14203 2008-04-11  Ian Lance Taylor  <iant@google.com>
14204
14205         * output.h (class Output_section_data): Remove inline definition
14206         of set_addralign.
14207         * output.cc (Output_section_data::set_addralign): New function.
14208
14209 2008-04-11  Cary Coutant  <ccoutant@google.com>
14210
14211         Add support for TLS descriptors for i386 and x86_64.
14212         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
14213         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
14214         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
14215         GOT_TYPE_TLS_DESC.
14216         (Target_i386::got_mod_index_entry): Remove unnecessary code.
14217         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
14218         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
14219         relocations.
14220         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
14221         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
14222         Fix problem with initial-exec relocations.
14223         (Target_i386::Relocate::relocate_tls): Likewise.
14224         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
14225         relaxation.
14226         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
14227         support for section-plus-offset dynamic table entries.
14228         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
14229         (Output_data_dynamic::Dynamic_entry): Add support for
14230         section-plus-offset dynamic table entries.
14231         (Output_data_dynamic::Classification): Likewise.
14232         (Output_data_dynamic::classification_): Renamed offset_.
14233         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
14234         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
14235         (Target_x86_64::make_plt_section): New function.
14236         (Target_x86_64::reserve_tlsdesc_entries): New function.
14237         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
14238         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
14239         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
14240         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
14241         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
14242         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
14243         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
14244         add extra PLT entry for TLS descriptors.
14245         (Output_data_plt_x86_64::got_): New field.
14246         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
14247         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
14248         fields.
14249         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
14250         descriptors.
14251         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
14252         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
14253         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
14254         R_386_TLS_DESC_CALL relocations.
14255         (Target_x86_64::Scan::global): Likewise.
14256         (Target_x86_64::do_finalize_sections): Add dynamic table entries
14257         for TLS descriptors.
14258         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
14259         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
14260         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
14261         GD-to-IE relaxation.
14262         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
14263         and TLS_DESCRIPTORS.
14264         * Makefile.in: Rebuild.
14265         * configure: Rebuild.
14266         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
14267         (tls_test_shared2.so): New target.
14268         (tls_shared_gd_to_ie_test_SOURCES): New variable.
14269         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
14270         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
14271         (tls_shared_gd_to_ie_test_LDADD): New variable.
14272         (tls_shared_gnu2_gd_to_ie_test): New target.
14273         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
14274         New targets.
14275         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
14276         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
14277         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
14278         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
14279         (tls_shared_gnu2_test): New target.
14280         (tls_test_gnu2_shared.so): New target.
14281         (tls_shared_gnu2_test_SOURCES): New variable.
14282         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
14283         (tls_shared_gnu2_test_LDFLAGS): New variable.
14284         (tls_shared_gnu2_test_LDADD): New variable.
14285         * testsuite/Makefile.in: Rebuild.
14286         * testsuite/Makefile.
14287
14288 2008-04-11  Ian Lance Taylor  <iant@google.com>
14289
14290         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
14291         justsyms.t.
14292         * testsuite/Makefile.in: Rebuild.
14293
14294         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
14295         long.
14296         * testsuite/script_test_2.cc (main): Adjust test.
14297
14298 2008-04-11  David S. Miller  <davem@davemloft.net>
14299             Ian Lance Taylor  <iant@google.com>
14300
14301         * options.h (General_options): Add entries for '-Y' and
14302         '-relax'.
14303         * options.cc (General_options:finalize): If -Y was used, add those
14304         entries to the library path instead of the default "/lib" and
14305         "/usr/lib".
14306
14307 2008-04-11  David S. Miller  <davem@davemloft.net>
14308
14309         * testsuite/justsyms.t: Start at 0x100.
14310         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
14311         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
14312         long.
14313         * testsuite/script_test_2.cc: Adjust string and section length
14314         checks.
14315
14316 2008-04-09  Ian Lance Taylor  <iant@google.com>
14317
14318         PR gold/5996
14319         * script-sections.cc (Sections_element::allocate_to_segment): Add
14320         orphan parameter.
14321         (Output_section_definition::allocate_to_segment): Likewise.
14322         (Orphan_output_section::allocate_to_segment): Likewise.
14323         (Script_sections::attach_sections_using_phdrs_clause): Don't
14324         propagate non-PT_LOAD segments to orphan sections.
14325         * testsuite/Makefile.am (script_test_3.stdout): Generate using
14326         readelf rather than objdump.
14327         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
14328         .interp section and PT_INTERP segment are the same size.
14329         * testsuite/Makefile.in: Rebuild.
14330
14331         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
14332         aliases for symbols defined in the same object.
14333         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
14334         (weak_alias_test_SOURCES): New variable.
14335         (weak_alias_test_DEPENDENCIES): New variable.
14336         (weak_alias_test_LDFLAGS): New variable.
14337         (weak_alias_test_LDADD): New variable.
14338         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
14339         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
14340         (weak_alias_test_3.o): New target.
14341         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
14342         * testsuite/weak_alias_test_main.cc: New file.
14343         * testsuite/weak_alias_test_1.cc: New file.
14344         * testsuite/weak_alias_test_2.cc: New file.
14345         * testsuite/weak_alias_test_3.cc: New file.
14346
14347 2008-04-08  Ian Lance Taylor  <iant@google.com>
14348
14349         * options.h (class General_options): Add --noinhibit-exec option.
14350         * main.cc (main): Check --noinhibit-exec.
14351
14352         * options.h (class General_options): Define --wrap as a special
14353         option.  Add wrap_symbols_ field.
14354         (General_options::any_wrap_symbols): New function.
14355         (General_options::is_wrap_symbol): New function.
14356         * options.cc (General_options::parse_wrap): New function.
14357         (General_options::General_options): Initialize wrap_symbols_.
14358         * symtab.cc (Symbol_table::wrap_symbol): New function.
14359         (Symbol_table::add_from_object): Handle --wrap.
14360         * symtab.h (class Symbol_table): Declare wrap_symbol.
14361         * target.h (Target::wrap_char): New function.
14362         (Target::Target_info): Add wrap_char field.
14363         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
14364         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
14365         * testsuite/testfile.cc (Target_test::test_target_info):
14366         Likewise.
14367
14368         * errors.cc (Errors::undefined_symbol): Mention symbol version if
14369         there is one.
14370
14371         * layout.h (class Layout): Add added_eh_frame_data_ field.
14372         * layout.cc (Layout::Layout): Initialize new field.
14373         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
14374         output section until we find a section we merged successfully.
14375         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
14376         that the size be non-zero.
14377
14378         * merge.cc (Object_merge_map::get_output_offset): Remove inline
14379         qualifier.
14380
14381 2008-04-08  Craig Silverstein  <csilvers@google.com>
14382
14383         * configure.ac: Export new conditional variable HAVE_ZLIB.
14384         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
14385         on HAVE_ZLIB.
14386         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
14387         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14388
14389 2008-04-07  Ian Lance Taylor  <iant@google.com>
14390
14391         * version.cc (version_string): Set to "1.5".
14392
14393         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
14394         Add issued_non_pic_error_ field.  Declare check_non_pic.
14395         (Target_x86_64::Scan::check_non_pic): New function.
14396         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
14397         (Target_x86_64::Scan::global): Likewise.
14398
14399         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
14400         addend parameter.  Change caller.  Handle merge sections.
14401         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
14402         Address to Addend.  Don't add in the result of
14403         local_section_offset, pass down the addend and use the returned
14404         value.
14405         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
14406         Update declarations of local_section_offset and symbol_value.
14407         * testsuite/two_file_test_1.cc (t18): New function.
14408         * testsuite/two_file_test_2.cc (f18): New function.
14409         * testsuite/two_file_test_main.cc (main): Call t18.
14410         * testsuite/two_file_test.h (t18, f18): Declare.
14411
14412         * configure.ac: Don't test for objdump, c++filt, or readelf.
14413         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
14414         conditionals.
14415         (TEST_READELF): New variable.
14416         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
14417         (check_PROGRAMS): Add two_file_strip_test.
14418         (two_file_strip_test): New target.
14419         (check_PROGRAMS): Add two_file_same_shared_strip_test.
14420         (two_file_same_shared_strip_test_SOURCES): New variable.
14421         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
14422         (two_file_same_shared_strip_test_LDFLAGS): New variable.
14423         (two_file_same_shared_strip_test_LDADD): New variable.
14424         (two_file_shared_strip.so): New target.
14425         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
14426         (ver_test_5.syms, ver_test_7.syms): Likewise.
14427         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
14428         (strip_test_3.stdout): Use TEST_OBJDUMP.
14429         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14430
14431 2008-04-04  Cary Coutant  <ccoutant@google.com>
14432
14433         * symtab.h (Symbol::is_weak_undefined): New function.
14434         (Symbol::is_strong_undefined): New function.
14435         (Symbol::is_absolute): New function.
14436         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
14437         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
14438         absolute symbols.
14439         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
14440         (weak_undef_test): New target.
14441         * testsuite/Makefile.in: Rebuild.
14442         * testsuite/weak_undef_file1.cc: New file.
14443         * testsuite/weak_undef_file2.cc: New file.
14444         * testsuite/weak_undef_test.cc: New file.
14445
14446 2008-04-03  Craig Silverstein  <csilvers@google.com>
14447
14448         * compressed_output.h (class Output_compressed_section): Use
14449         unsigned buffer.
14450         * compressed_output.cc (zlib_compress): Use unsigned buffers,
14451         add zlib header.
14452         (zlib_compressed_suffix): Removed.
14453         (Output_compressed_section::set_final_data_size): Use unsigned
14454         buffers.
14455         * testsuite/Makefile.am (flagstest_compress_debug_sections):
14456         Fix linker invocation.
14457         (flagstest_o_specialfile_and_compress_debug_sections):
14458         Likewise.
14459         * testsuite/Makefile.in: Regenerated.
14460
14461 2008-04-02  David S. Miller  <davem@davemloft.net>
14462
14463         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
14464         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
14465
14466 2008-04-02  Craig Silverstein  <csilvers@google.com>
14467
14468         * TODO: New file.
14469
14470 2008-04-02  Ian Lance Taylor  <iant@google.com>
14471
14472         * fileread.cc (File_read::find_view): Add byteshift and vshifted
14473         parameters.  Update for new key type to views_.  Change all
14474         callers.
14475         (File_read::read): Adjust for byteshift in returned view.
14476         (File_read::add_view): New function, broken out of
14477         find_and_make_view.
14478         (File_read::make_view): New function, broken out of
14479         find_and_make_view.
14480         (File_read::find_or_make_view): Add offset and aligned
14481         parameters.  Rewrite accordingly.  Change all callers.
14482         (File_read::get_view): Add offset and aligned parameters.  Adjust
14483         for byteshift in return value.
14484         (File_read::get_lasting_view): Likewise.
14485         * fileread.h (class File_read): Update declarations.
14486         (class File_read::View): Add byteshift_ field.  Add byteshift to
14487         constructor.  Add byteshift method.
14488         * archive.h (Archive::clear_uncached_views): New function.
14489         (Archive::get_view): Add aligned parameter.  Change all callers.
14490         * object.h (Object::get_view): Add aligned parameter.  Change all
14491         callers.
14492         (Object::get_lasting_view): Likewise.
14493
14494         * fileread.cc (File_read::release): Don't call clear_views if
14495         there are multiple objects.
14496         * fileread.h (File_read::clear_uncached_views): New function.
14497         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
14498         on the archive.
14499
14500 2008-03-31  Cary Coutant  <ccoutant@google.com>
14501
14502         Add thin archive support.
14503         * archive.cc (Archive::armagt): New const.
14504         (Archive::setup): Remove task parameter and calls to unlock.
14505         (Archive::unlock_nested_archives): New function.
14506         (Archive::read_header): Add nested_off parameter. Change
14507         all callers.
14508         (Archive::interpret_header): Likewise.
14509         (Archive::include_all_members): Change to handle thin
14510         archives.
14511         (Archive::include_member): Likewise.
14512         * archive.h (Archive::Archive): Add new parameters and
14513         initializers.
14514         (Archive::armagt): New const.
14515         (Archive::setup): Remove task parameter.
14516         (Archive::unlock_nested_archives): New function.
14517         (Archive::read_header): Add nested_off parameter.
14518         (Archive::interpret_header): Likewise.
14519         (Archive::Nested_archive_table): New typedef.
14520         (Archive::is_thin_archive_): New field.
14521         (Archive::nested_archives_): New field.
14522         (Archive::options_): New field.
14523         (Archive::dirpath_): New field.
14524         (Archive::task_): New field.
14525         * readsyms.cc (Read_symbols::do_read_symbols): Add check
14526         for thin archives.  Pass additional parameters to
14527         Archive::Archive.  Unlock the archive file after calling
14528         Archive::setup.
14529
14530 2008-03-29  Ian Lance Taylor  <iant@google.com>
14531
14532         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
14533         version symbol to be local.
14534         * testsuite/ver_test_4.sh: New file.
14535         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
14536         (check_DATA): Add ver_test_4.syms.
14537         (ver_test_4.syms): New target.
14538         * testsuite/Makefile.in: Rebuild.
14539
14540         * output.cc
14541         (Output_section::Input_section_sort_entry::has_priority): New
14542         function.
14543         (Output_section::Input_section_sort_entry::match_file_name): New
14544         function.
14545         (Output_section::Input_section_sort_entry::match_section_name):
14546         Remove.
14547         (Output_section::Input_section_sort_entry::match_section_name_prefix):
14548         Remove.
14549         (Output_section::Input_section_sort_entry::match_section_file):
14550         Remove.
14551         (Output_section::Input_section_sort_compare::operator()): Rewrite
14552         using new Input_section_sort_entry functions.  Sort crtbegin and
14553         crtend first.  Sort sections with no priority before sections with
14554         a priority.
14555         * testsuite/initpri1.c (d3): Check j != 4.
14556         (cd5): New constructor/destructor function.
14557         (main): Check j != 2.
14558
14559         * symtab.cc (Symbol_table::add_from_object): If we don't use the
14560         new symbol when resolving, don't call set_is_default.
14561         * testsuite/ver_test_7.cc: New file.
14562         * testsuite/ver_test_7.sh: New file.
14563         * testsuite/Makefile.am (ver_test_7.so): New target.
14564         (ver_test_7.o): New target.
14565         (check_SCRIPTS): Add ver_test_7.sh.
14566         (check_DATA): Add ver_test_7.syms.
14567         (ver_test_7.syms): New target.
14568
14569 2008-03-28  Ian Lance Taylor  <iant@google.com>
14570
14571         * layout.cc (Layout::layout): If we see an input section with a
14572         name that needs sorting, set the must_sort flag for the output
14573         section.
14574         (Layout::make_output_section): If the name of the output section
14575         indicates that it might require sorting, set the may_sort flag.
14576         * output.h (Output_section::may_sort_attached_input_sections): New
14577         function.
14578         (Output_section::set_may_sort_attached_input_sections): New
14579         function.
14580         (Output_section::must_sort_attached_input_sections): New
14581         function.
14582         (Output_section::set_must_sort_attached_input_sections): New
14583         function.
14584         (class Output_section): Declare Input_section_sort_entry.  Define
14585         Input_section_sort_compare.  Declare
14586         sort_attached_input_sections.  Add new fields:
14587         may_sort_attached_input_sections_,
14588         must_sort_attached_input_sections_,
14589         attached_input_sections_are_sorted_.
14590         * output.cc (Output_section::Output_section): Initialize new
14591         fields.
14592         (Output_section::add_input_section): Add an entry to
14593         input_sections_ if may_sort or must_sort are true.
14594         (Output_section::set_final_data_size): Call
14595         sort_attached_input_sections if necessary.
14596         (Output_section::Input_section_sort_entry): Define new class.
14597         (Output_section::Input_section_sort_compare::operator()): New
14598         function.
14599         (Output_section::sort_attached_input_sections): New function.
14600         * configure.ac: Check whether the compiler supports constructor
14601         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
14602         * testsuite/initpri1.c: New file.
14603         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
14604         CONSTRUCTOR_PRIORITY.
14605         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
14606         (initpri1_LDFLAGS): New variable.
14607         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14608
14609 2008-03-27  Ian Lance Taylor  <iant@google.com>
14610
14611         * common.cc (Sort_commons::operator): Correct sorting algorithm.
14612         * testsuite/common_test_1.c: New file.
14613         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
14614         (common_test_1_SOURCES): New variable.
14615         (common_test_1_DEPENDENCIES): New variable.
14616         (common_test_1_LDFLAGS): New variable.
14617
14618         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
14619         and commons_ correctly when NAME/VERSION does not override
14620         NAME/NULL.
14621         * testsuite/ver_test_6.c: New file.
14622         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
14623         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
14624         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
14625
14626 2008-03-26  Ian Lance Taylor  <iant@google.com>
14627
14628         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
14629         of an undefined symbol from a version script.
14630         * testsuite/Makefile.am (ver_test_5.so): New target.
14631         (ver_test_5.o): New target.
14632         (check_SCRIPTS): Add ver_test_5.sh.
14633         (check_DATA): Add ver_test_5.syms.
14634         (ver_test_5.syms): New target.
14635         * testsuite/ver_test_5.cc: New file.
14636         * testsuite/ver_test_5.script: New file.
14637         * testsuite/ver_test_5.sh: New file.
14638         * Makefile.in, testsuite/Makefile.in: Rebuild.
14639
14640         PR gold/5986
14641         Fix problems building gold with gcc 4.3.0.
14642         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
14643         (gold_error_at_location, gold_warning_at_location): Use it.
14644         * configure.ac: Check whether we can compile and use a template
14645         function with a printf attribute.
14646         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
14647         when jumping over bytes.
14648         * object.cc: Instantiate Object::read_section_data.
14649         * debug.h: Include <cstring>
14650         * dwarf_reader.cc: Include <algorithm>
14651         * main.cc: Include <cstring>.
14652         * options.cc: Include <cstring>.
14653         * output.cc: Include <cstring>.
14654         * script.cc: Include <cstring>.
14655         * script.h: Include <string>.
14656         * symtab.cc: Include <cstring> and <algorithm>.
14657         * target-select.cc: Include <cstring>.
14658         * version.cc: Include <string>.
14659         * testsuite/testmain.cc: Include <cstdlib>.
14660         * configure, config.in: Rebuild.
14661
14662 2008-03-25  Ian Lance Taylor  <iant@google.com>
14663
14664         * options.cc: Include "../bfd/bfdver.h".
14665         (options::help): Print bug reporting address.
14666
14667         * version.cc (print_version): Adjust output for current value of
14668         BFD_VERSION_STRING.
14669
14670         * NEWS: New file.
14671
14672         * options.cc (options::help): Print list of supported targets.
14673         * target-select.h: Include <vector>.
14674         (class Target_selector): Make machine_, size_, and is_big_endian_
14675         fields const.  Add bfd_name_ and instantiated_target_ fields.
14676         (Target_selector::Target_selector): Add bfd_name parameter.
14677         (Target_selector::recognize): Make non-virtual, call
14678         do_recognize.
14679         (Target_selector::recognize_by_name): Make non-virtual, call
14680         do_recognize_by_name.
14681         (Target_selector::supported_names): New function.
14682         (Target_selector::bfd_name): New function.
14683         (Target_selector::do_instantiate_target): New pure virtual
14684         function.
14685         (Target_selector::do_recognize): New virtual function.
14686         (Target_selector::do_recognize_by_name): New virtual function.
14687         (Target_selector::instantiate_target): New private function.
14688         (supported_target_names): Declare.
14689         * target-select.cc (Target_selector::Target_selector): Update for
14690         new parameter and fields.
14691         (select_target_by_name): Check that the name matches before
14692         calling recognize_by_name.
14693         (supported_target_names): New function.
14694         * i386.cc (class Target_selector_i386): Update Target_selector
14695         constructor call.  Remove recognize and recognize_by_name.  Add
14696         do_instantiate_target.
14697         * x86_64.cc (class Target_selector_x86_64): Likewise.
14698         * testsuite/testfile.cc (class Target_selector_test): Update for
14699         changes to Target_selector.
14700
14701         * README: Rewrite, with some notes on unsupported features.
14702
14703 2008-03-24  Cary Coutant  <ccoutant@google.com>
14704
14705         * i386.cc (Target_i386::Got_type): New enum declaration.
14706         (Target_i386::Scan::local): Updated callers of Output_data_got
14707         member functions.
14708         (Target_i386::Scan::global): Likewise.
14709         (Target_i386::Relocate::relocate): Likewise.
14710         (Target_i386::Relocate::relocate_tls): Likewise.
14711         * object.h (Got_offset_list): New class.
14712         (Sized_relobj::local_has_got_offset): Added got_type parameter.
14713         (Sized_relobj::local_got_offset): Likewise.
14714         (Sized_relobj::set_local_got_offset): Likewise.
14715         (Sized_relobj::local_has_tls_got_offset): Removed.
14716         (Sized_relobj::local_tls_got_offset): Removed.
14717         (Sized_relobj::set_local_tls_got_offset): Removed.
14718         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
14719         * output.cc (Output_data_got::add_global): Added got_type parameter.
14720         (Output_data_got::add_global_with_rel): Likewise.
14721         (Output_data_got::add_global_with_rela): Likewise.
14722         (Output_data_got::add_global_pair_with_rel): New function.
14723         (Output_data_got::add_global_pair_with_rela): New function.
14724         (Output_data_got::add_local): Added got_type parameter.
14725         (Output_data_got::add_local_with_rel): Likewise.
14726         (Output_data_got::add_local_with_rela): Likewise.
14727         (Output_data_got::add_local_pair_with_rel): New function.
14728         (Output_data_got::add_local_pair_with_rela): New function.
14729         (Output_data_got::add_global_tls): Removed.
14730         (Output_data_got::add_global_tls_with_rel): Removed.
14731         (Output_data_got::add_global_tls_with_rela): Removed.
14732         (Output_data_got::add_local_tls): Removed.
14733         (Output_data_got::add_local_tls_with_rel): Removed.
14734         (Output_data_got::add_local_tls_with_rela): Removed.
14735         * output.h (Output_data_got::add_global): Added got_type parameter.
14736         (Output_data_got::add_global_with_rel): Likewise.
14737         (Output_data_got::add_global_with_rela): Likewise.
14738         (Output_data_got::add_global_pair_with_rel): New function.
14739         (Output_data_got::add_global_pair_with_rela): New function.
14740         (Output_data_got::add_local): Added got_type parameter.
14741         (Output_data_got::add_local_with_rel): Likewise.
14742         (Output_data_got::add_local_with_rela): Likewise.
14743         (Output_data_got::add_local_pair_with_rel): New function.
14744         (Output_data_got::add_local_pair_with_rela): New function.
14745         (Output_data_got::add_global_tls): Removed.
14746         (Output_data_got::add_global_tls_with_rel): Removed.
14747         (Output_data_got::add_global_tls_with_rela): Removed.
14748         (Output_data_got::add_local_tls): Removed.
14749         (Output_data_got::add_local_tls_with_rel): Removed.
14750         (Output_data_got::add_local_tls_with_rela): Removed.
14751         * resolve.cc (Symbol::override_base_with_special): Removed
14752         reference to has_got_offset_ field.
14753         * symtab.cc (Symbol::init_fields): Replaced initialization
14754         of got_offset_ with got_offsets_.  Removed initialization
14755         of has_got_offset_
14756         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
14757         (Symbol::got_offset): Likewise.
14758         (Symbol::set_got_offset): Likewise.
14759         (Symbol::has_tls_got_offset): Removed.
14760         (Symbol::tls_got_offset): Removed.
14761         (Symbol::set_tls_got_offset): Removed.
14762         (Symbol::got_offset_): Removed.
14763         (Symbol::tls_mod_got_offset_): Removed.
14764         (Symbol::tls_pair_got_offset_): Removed.
14765         (Symbol::got_offsets_): New field.
14766         (Symbol::has_got_offset): Removed.
14767         (Symbol::has_tls_mod_got_offset): Removed.
14768         (Symbol::has_tls_pair_got_offset): Removed.
14769         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
14770         (Target_x86_64::Scan::local): Updated callers of Output_data_got
14771         member functions.
14772         (Target_x86_64::Scan::global): Likewise.
14773         (Target_x86_64::Relocate::relocate): Likewise.
14774         (Target_x86_64::Relocate::relocate_tls): Likewise.
14775
14776 2008-03-25  Ben Elliston  <bje@au.ibm.com>
14777
14778         * yyscript.y: Fix spelling error in comment.
14779
14780 2008-03-24  Ian Lance Taylor  <iant@google.com>
14781
14782         * options.h (class General_options): Define build_id option.
14783         * layout.h (class Layout): Declare write_build_id, create_note,
14784         create_build_id.  Add build_id_note_ member.
14785         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
14786         "libiberty.h", "md5.h", "sha1.h".
14787         (Layout::Layout): Initialize eh_frame_data_,
14788         eh_frame_hdr_section_, and build_id_note_.
14789         (Layout::finalize): Call create_build_id.
14790         (Layout::create_note): New function, broken out of
14791         Layout::create_gold_note.
14792         (Layout::create_gold_note): Call create_note.
14793         (Layout::create_build_id): New function.
14794         (Layout::write_build_id): New function.
14795         (Close_task_runner::run): Call write_build_id.
14796
14797         * x86_64.cc: Correct license to GPLv3.
14798
14799 2008-03-23  Ian Lance Taylor  <iant@google.com>
14800
14801         * options.cc: Include "demangle.h".
14802         (parse_optional_string): New function.
14803         (parse_long_option): Handle takes_optional_argument.
14804         (parse_short_option): Update dash_z initializer.  Handle
14805         takes_optional_argument.
14806         (General_options::General_options): Initialize do_demangle_.
14807         (General_options::finalize): Set do_demangle_.  Handle demangling
14808         style.
14809         * options.h (parse_optional_string): Declare.
14810         (struct One_option): Add optional_arg field.  Update constructor.
14811         Update call constructor calls.  Add takes_optional_argument
14812         function.
14813         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14814         (DEFINE_optional_string): Define.
14815         (General_options::demangle): Change from DEFINE_bool to
14816         DEFINE_optional_string.
14817         (General_options::no_demangle): New function.
14818         (General_options::do_demangle): New function.
14819         (General_options::set_do_demangle): New function.
14820         (General_options::execstack_status_): Move definition to end of
14821         class definition.
14822         (General_options::static_): Likewise.
14823         (General_options::do_demangle_): New field.
14824         * object.cc (big_endian>::get_symbol_location_info): Call
14825         Options::do_demangle, not Options::demangle.
14826         * symtab.cc (demangle): Likewise.
14827
14828 2008-03-22  Ian Lance Taylor  <iant@google.com>
14829
14830         * gold.h: Include <cstddef> and <sys/types.h>
14831         * options.h: Include <cstring>.
14832
14833 2008-03-21  Ian Lance Taylor  <iant@google.com>
14834
14835         * Added source code to GNU binutils.
14836 \f
14837 Copyright (C) 2008-2013 Free Software Foundation, Inc.
14838
14839 Copying and distribution of this file, with or without modification,
14840 are permitted in any medium without royalty provided the copyright
14841 notice and this notice are preserved.
14842
14843 Local Variables:
14844 mode: change-log
14845 left-margin: 8
14846 fill-column: 74
14847 version-control: never
14848 End: